--- /dev/null
+++ b/drivers/net/sl2312_emac.c
@@ -0,0 +1,4604 @@
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/delay.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/completion.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/semaphore.h>
+#include <asm/arch-sl2312/irqs.h>
+#include <asm/arch/it8712.h>
+#include <asm/arch/sl2312.h>
+#include <linux/mtd/kvctl.h>
+#include <linux/sysctl_storlink.h>
+
+#define BIG_ENDIAN  	0
+
+#define GMAC_DEBUG      0
+
+#define GMAC_PHY_IF     2
+
+/* define PHY address */
+#define HPHY_ADDR   0x01
+#define GPHY_ADDR   0x02
+
+#define CONFIG_ADM_6999 1
+/* define chip information */
+#define DRV_NAME			"SL2312"
+#define DRV_VERSION			"0.1.1"
+#define SL2312_DRIVER_NAME  DRV_NAME " Fast Ethernet driver " DRV_VERSION
+
+/* define TX/RX descriptor parameter */
+#define MAX_ETH_FRAME_SIZE	1920
+#define TX_BUF_SIZE			MAX_ETH_FRAME_SIZE
+#define TX_DESC_NUM			128
+#define TX_BUF_TOT_LEN		(TX_BUF_SIZE * TX_DESC_NUM)
+#define RX_BUF_SIZE			MAX_ETH_FRAME_SIZE
+#define RX_DESC_NUM			256
+#define RX_BUF_TOT_LEN		(RX_BUF_SIZE * RX_DESC_NUM)
+#define MAX_ISR_WORK        20
+
+unsigned int int_status = 0;
+
+/* define GMAC base address */
+#define GMAC_PHYSICAL_BASE_ADDR	    (SL2312_GMAC_BASE)
+#define GMAC_BASE_ADDR			    (IO_ADDRESS(GMAC_PHYSICAL_BASE_ADDR))
+#define GMAC_GLOBAL_BASE_ADDR       (IO_ADDRESS(SL2312_GLOBAL_BASE))
+
+#define GMAC0_BASE                  (IO_ADDRESS(SL2312_GMAC0_BASE))
+#define GMAC1_BASE                  (IO_ADDRESS(SL2312_GMAC1_BASE))
+
+/* memory management utility */
+#define DMA_MALLOC(size,handle)		pci_alloc_consistent(NULL,size,handle)
+#define DMA_MFREE(mem,size,handle)	pci_free_consistent(NULL,size,mem,handle)
+
+//#define gmac_read_reg(offset)       (readl(GMAC_BASE_ADDR + offset))
+//#define gmac_write_reg(offset,data,mask)  writel( (gmac_read_reg(offset)&~mask) |(data&mask),(GMAC_BASE_ADDR+offset))
+
+/* define owner bit */
+#define CPU		0
+#define DMA		1
+
+#define ACTIVE      1
+#define NONACTIVE   0
+
+#define CONFIG_SL_NAPI
+
+#ifndef CONFIG_SL2312_MPAGE
+#define CONFIG_SL2312_MPAGE
+#endif
+
+#ifdef CONFIG_SL2312_MPAGE
+#include <linux/skbuff.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#endif
+
+#ifndef CONFIG_TXINT_DISABLE
+//#define CONFIG_TXINT_DISABLE
+#endif
+
+enum phy_state
+{
+    LINK_DOWN   = 0,
+    LINK_UP     = 1
+};
+
+
+/* transmit timeout value */
+#define TX_TIMEOUT  (6*HZ)
+
+/***************************************/
+/* the offset address of GMAC register */
+/***************************************/
+enum GMAC_REGISTER {
+	GMAC_STA_ADD0 	= 0x0000,
+	GMAC_STA_ADD1	= 0x0004,
+	GMAC_STA_ADD2	= 0x0008,
+	GMAC_RX_FLTR	= 0x000c,
+	GMAC_MCAST_FIL0 = 0x0010,
+	GMAC_MCAST_FIL1 = 0x0014,
+	GMAC_CONFIG0	= 0x0018,
+	GMAC_CONFIG1	= 0x001c,
+	GMAC_CONFIG2	= 0x0020,
+	GMAC_BNCR		= 0x0024,
+	GMAC_RBNR		= 0x0028,
+	GMAC_STATUS		= 0x002c,
+	GMAC_IN_DISCARDS= 0x0030,
+	GMAC_IN_ERRORS  = 0x0034,
+	GMAC_IN_MCAST   = 0x0038,
+	GMAC_IN_BCAST   = 0x003c,
+	GMAC_IN_MAC1    = 0x0040,
+	GMAC_IN_MAC2    = 0x0044
+};
+
+/*******************************************/
+/* the offset address of GMAC DMA register */
+/*******************************************/
+enum GMAC_DMA_REGISTER {
+	GMAC_DMA_DEVICE_ID		= 0xff00,
+	GMAC_DMA_STATUS			= 0xff04,
+	GMAC_TXDMA_CTRL 	 	= 0xff08,
+	GMAC_TXDMA_FIRST_DESC 	= 0xff0c,
+	GMAC_TXDMA_CURR_DESC	= 0xff10,
+	GMAC_RXDMA_CTRL			= 0xff14,
+	GMAC_RXDMA_FIRST_DESC	= 0xff18,
+	GMAC_RXDMA_CURR_DESC	= 0xff1c,
+};
+
+/*******************************************/
+/* the register structure of GMAC          */
+/*******************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_0004
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int sta_add2_l16	: 16;	/* station MAC address2 bits 15 to 0 */
+		unsigned int sta_add1_h16	: 16;	/* station MAC address1 bits 47 to 32 */
+#else
+		unsigned int sta_add1_h16	: 16;	/* station MAC address1 bits 47 to 32 */
+		unsigned int sta_add2_l16	: 16;	/* station MAC address2 bits 15 to 0 */
+#endif
+	} bits;
+} GMAC_STA_ADD1_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_000c
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int 				: 27;
+		unsigned int error			:  1;	/* enable receive of all error frames */
+		unsigned int promiscuous	:  1;   /* enable receive of all frames */
+		unsigned int broadcast		:  1;	/* enable receive of broadcast frames */
+		unsigned int multicast		:  1;	/* enable receive of multicast frames that pass multicast filter */
+		unsigned int unicast		:  1;	/* enable receive of unicast frames that are sent to STA address */
+#else
+		unsigned int unicast		:  1;	/* enable receive of unicast frames that are sent to STA address */
+		unsigned int multicast		:  1;	/* enable receive of multicast frames that pass multicast filter */
+		unsigned int broadcast		:  1;	/* enable receive of broadcast frames */
+		unsigned int promiscuous	:  1;   /* enable receive of all frames */
+		unsigned int error			:  1;	/* enable receive of all error frames */
+		unsigned int 				: 27;
+#endif
+	} bits;
+} GMAC_RX_FLTR_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_0018
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int : 10;
+		unsigned int inv_rx_clk     : 1;	/* Inverse RX Clock */
+		unsigned int rising_latch   : 1;
+        unsigned int rx_tag_remove  :  1;   /* Remove Rx VLAN tag */
+        unsigned int ipv6_tss_rx_en :  1;   /* IPv6 TSS RX enable */
+        unsigned int ipv4_tss_rx_en :  1;   /* IPv4 TSS RX enable */
+        unsigned int rgmii_en       :  1;   /* RGMII in-band status enable */
+		unsigned int tx_fc_en		:  1;	/* TX flow control enable */
+		unsigned int rx_fc_en		:  1;	/* RX flow control enable */
+		unsigned int sim_test		:  1;	/* speed up timers in simulation */
+		unsigned int dis_col		:  1;	/* disable 16 collisions abort function */
+		unsigned int dis_bkoff		:  1;	/* disable back-off function */
+		unsigned int max_len		:  3;	/* maximum receive frame length allowed */
+		unsigned int adj_ifg		:  4;	/* adjust IFG from 96+/-56 */
+        unsigned int                :  1;   /* reserved */
+		unsigned int loop_back		:  1;	/* transmit data loopback enable */
+		unsigned int dis_rx			:  1;	/* disable receive */
+		unsigned int dis_tx			:  1;	/* disable transmit */
+#else
+		unsigned int dis_tx			:  1;	/* disable transmit */
+		unsigned int dis_rx			:  1;	/* disable receive */
+		unsigned int loop_back		:  1;	/* transmit data loopback enable */
+        unsigned int                :  1;   /* reserved */
+		unsigned int adj_ifg		:  4;	/* adjust IFG from 96+/-56 */
+		unsigned int max_len		:  3;	/* maximum receive frame length allowed */
+		unsigned int dis_bkoff		:  1;	/* disable back-off function */
+		unsigned int dis_col		:  1;	/* disable 16 collisions abort function */
+		unsigned int sim_test		:  1;	/* speed up timers in simulation */
+		unsigned int rx_fc_en		:  1;	/* RX flow control enable */
+		unsigned int tx_fc_en		:  1;	/* TX flow control enable */
+        unsigned int rgmii_en       :  1;   /* RGMII in-band status enable */
+        unsigned int ipv4_tss_rx_en :  1;   /* IPv4 TSS RX enable */
+        unsigned int ipv6_tss_rx_en :  1;   /* IPv6 TSS RX enable */
+        unsigned int rx_tag_remove  :  1;   /* Remove Rx VLAN tag */
+		unsigned int rising_latch   :  1;
+		unsigned int inv_rx_clk : 1;	/* Inverse RX Clock */
+		unsigned int : 10;
+#endif
+	} bits;
+} GMAC_CONFIG0_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_001c
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int 				: 28;
+		unsigned int buf_size		:  4; 	/* per packet buffer size */
+#else
+		unsigned int buf_size		:  4; 	/* per packet buffer size */
+		unsigned int 				: 28;
+#endif
+	} bits;
+} GMAC_CONFIG1_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_0020
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int rel_threshold	: 16;	/* flow control release threshold */
+		unsigned int set_threshold	: 16; 	/* flow control set threshold */
+#else
+		unsigned int set_threshold	: 16; 	/* flow control set threshold */
+		unsigned int rel_threshold	: 16;	/* flow control release threshold */
+#endif
+	} bits;
+} GMAC_CONFIG2_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_0024
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int 				: 16;
+		unsigned int buf_num		: 16; 	/* return buffer number from software */
+#else
+		unsigned int buf_num		: 16; 	/* return buffer number from software */
+		unsigned int 				: 16;
+#endif
+	} bits;
+} GMAC_BNCR_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_0028
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int				: 16;
+		unsigned int buf_remain		: 16;	/* remaining buffer number */
+#else
+		unsigned int buf_remain		: 16;	/* remaining buffer number */
+		unsigned int				: 16;
+#endif
+	} bits;
+} GMAC_RBNR_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_002c
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int 				: 25;
+		unsigned int mii_rmii		:  2;   /* PHY interface type */
+		unsigned int phy_mode		:  1;	/* PHY interface mode in 10M-bps */
+		unsigned int duplex			:  1;	/* duplex mode */
+		unsigned int speed			:  2;	/* link speed(00->2.5M 01->25M 10->125M) */
+		unsigned int link			:  1;	/* link status */
+#else
+		unsigned int link			:  1;	/* link status */
+		unsigned int speed			:  2;	/* link speed(00->2.5M 01->25M 10->125M) */
+		unsigned int duplex			:  1;	/* duplex mode */
+		unsigned int phy_mode		:  1;	/* PHY interface mode in 10M-bps */
+		unsigned int mii_rmii		:  2;   /* PHY interface type */
+		unsigned int 				: 25;
+#endif
+	} bits;
+} GMAC_STATUS_T;
+
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_009
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int 				: 10;
+		unsigned int tx_fail		:  1; 	/* Tx fail interrupt */
+		unsigned int cnt_full		:  1;	/* MIB counters half full interrupt */
+		unsigned int rx_pause_on	:  1;	/* received pause on frame interrupt */
+		unsigned int tx_pause_on	:  1;	/* transmit pause on frame interrupt */
+		unsigned int rx_pause_off   :  1;	/* received pause off frame interrupt */
+		unsigned int tx_pause_off	:  1;	/* received pause off frame interrupt */
+		unsigned int rx_overrun		:  1;   /* GMAC Rx FIFO overrun interrupt */
+		unsigned int tx_underrun	:  1;	/* GMAC Tx FIFO underrun interrupt */
+		unsigned int				:  6;
+		unsigned int m_tx_fail 		:  1;	/* Tx fail interrupt mask */
+		unsigned int m_cnt_full		:  1;	/* MIB counters half full interrupt mask */
+		unsigned int m_rx_pause_on	:  1;	/* received pause on frame interrupt mask */
+		unsigned int m_tx_pause_on  :  1;	/* transmit pause on frame interrupt mask */
+		unsigned int m_rx_pause_off :  1;	/* received pause off frame interrupt mask */
+		unsigned int m_tx_pause_off	:  1;	/* received pause off frame interrupt mask */
+		unsigned int m_rx_overrun	:  1;   /* GMAC Rx FIFO overrun interrupt mask */
+		unsigned int m_tx_underrun	:  1;	/* GMAC Tx FIFO underrun interrupt mask */
+#else
+		unsigned int m_tx_underrun	:  1;	/* GMAC Tx FIFO underrun interrupt mask */
+		unsigned int m_rx_overrun	:  1;   /* GMAC Rx FIFO overrun interrupt mask */
+		unsigned int m_tx_pause_off	:  1;	/* received pause off frame interrupt mask */
+		unsigned int m_rx_pause_off :  1;	/* received pause off frame interrupt mask */
+		unsigned int m_tx_pause_on  :  1;	/* transmit pause on frame interrupt mask */
+		unsigned int m_rx_pause_on	:  1;	/* received pause on frame interrupt mask */
+		unsigned int m_cnt_full		:  1;	/* MIB counters half full interrupt mask */
+		unsigned int m_tx_fail 		:  1;	/* Tx fail interrupt mask */
+		unsigned int				:  6;
+		unsigned int tx_underrun	:  1;	/* GMAC Tx FIFO underrun interrupt */
+		unsigned int rx_overrun		:  1;   /* GMAC Rx FIFO overrun interrupt */
+		unsigned int tx_pause_off	:  1;	/* received pause off frame interrupt */
+		unsigned int rx_pause_off   :  1;	/* received pause off frame interrupt */
+		unsigned int tx_pause_on	:  1;	/* transmit pause on frame interrupt */
+		unsigned int rx_pause_on	:  1;	/* received pause on frame interrupt */
+		unsigned int cnt_full		:  1;	/* MIB counters half full interrupt */
+		unsigned int tx_fail		:  1; 	/* Tx fail interrupt */
+		unsigned int 				: 10;
+#endif
+	} bits;
+} GMAC_INT_MASK_T;
+
+
+/*******************************************/
+/* the register structure of GMAC DMA      */
+/*******************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit2_ff00
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int                :  7;   /* reserved */
+		unsigned int s_ahb_err		:  1;	/* Slave AHB bus error */
+		unsigned int tx_err_code    :  4;   /* TxDMA error code */
+		unsigned int rx_err_code  	:  4;   /* RxDMA error code */
+		unsigned int device_id		: 12;
+		unsigned int revision_id	:  4;
+#else
+		unsigned int revision_id	:  4;
+		unsigned int device_id		: 12;
+		unsigned int rx_err_code  	:  4;   /* RxDMA error code */
+		unsigned int tx_err_code    :  4;   /* TxDMA error code */
+		unsigned int s_ahb_err		:  1;	/* Slave AHB bus error */
+		unsigned int                :  7;   /* reserved */
+#endif
+	} bits;
+} GMAC_DMA_DEVICE_ID_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit2_ff04
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int ts_finish		:  1;	/* finished tx interrupt */
+		unsigned int ts_derr		:  1;   /* AHB Bus Error while tx */
+		unsigned int ts_perr		:  1;   /* Tx Descriptor protocol error */
+		unsigned int ts_eodi		:  1;	/* TxDMA end of descriptor interrupt */
+		unsigned int ts_eofi		:  1;   /* TxDMA end of frame interrupt */
+		unsigned int rs_finish		:  1;   /* finished rx interrupt */
+		unsigned int rs_derr		:  1;   /* AHB Bus Error while rx */
+		unsigned int rs_perr		:  1;   /* Rx Descriptor protocol error */
+		unsigned int rs_eodi		:  1;	/* RxDMA end of descriptor interrupt */
+		unsigned int rs_eofi		:  1;	/* RxDMA end of frame interrupt */
+		unsigned int        		:  1; 	/* Tx fail interrupt */
+		unsigned int cnt_full		:  1;	/* MIB counters half full interrupt */
+		unsigned int rx_pause_on	:  1;	/* received pause on frame interrupt */
+		unsigned int tx_pause_on	:  1;	/* transmit pause on frame interrupt */
+		unsigned int rx_pause_off   :  1;	/* received pause off frame interrupt */
+		unsigned int tx_pause_off	:  1;	/* received pause off frame interrupt */
+		unsigned int rx_overrun		:  1;   /* GMAC Rx FIFO overrun interrupt */
+		unsigned int link_change	:  1;	/* GMAC link changed Interrupt for RGMII mode */
+		unsigned int        		:  1;
+		unsigned int            	:  1;
+		unsigned int 				:  3;
+		unsigned int loop_back		:  1;	/* loopback TxDMA to RxDMA */
+		unsigned int        		:  1;	/* Tx fail interrupt mask */
+		unsigned int m_cnt_full		:  1;	/* MIB counters half full interrupt mask */
+		unsigned int m_rx_pause_on	:  1;	/* received pause on frame interrupt mask */
+		unsigned int m_tx_pause_on  :  1;	/* transmit pause on frame interrupt mask */
+		unsigned int m_rx_pause_off :  1;	/* received pause off frame interrupt mask */
+		unsigned int m_tx_pause_off	:  1;	/* received pause off frame interrupt mask */
+		unsigned int m_rx_overrun	:  1;   /* GMAC Rx FIFO overrun interrupt mask */
+		unsigned int m_link_change	:  1;	/* GMAC link changed Interrupt mask for RGMII mode */
+#else
+		unsigned int m_link_change	:  1;	/* GMAC link changed Interrupt mask for RGMII mode */
+		unsigned int m_rx_overrun	:  1;   /* GMAC Rx FIFO overrun interrupt mask */
+		unsigned int m_tx_pause_off	:  1;	/* received pause off frame interrupt mask */
+		unsigned int m_rx_pause_off :  1;	/* received pause off frame interrupt mask */
+		unsigned int m_tx_pause_on  :  1;	/* transmit pause on frame interrupt mask */
+		unsigned int m_rx_pause_on	:  1;	/* received pause on frame interrupt mask */
+		unsigned int m_cnt_full		:  1;	/* MIB counters half full interrupt mask */
+		unsigned int         		:  1;	/* Tx fail interrupt mask */
+		unsigned int loop_back		:  1;	/* loopback TxDMA to RxDMA */
+		unsigned int 				:  3;
+		unsigned int            	:  1;
+		unsigned int        		:  1;
+		unsigned int link_change	:  1;	/* GMAC link changed Interrupt for RGMII mode */
+		unsigned int rx_overrun		:  1;   /* GMAC Rx FIFO overrun interrupt */
+		unsigned int tx_pause_off	:  1;	/* received pause off frame interrupt */
+		unsigned int rx_pause_off   :  1;	/* received pause off frame interrupt */
+		unsigned int tx_pause_on	:  1;	/* transmit pause on frame interrupt */
+		unsigned int rx_pause_on	:  1;	/* received pause on frame interrupt */
+		unsigned int cnt_full		:  1;	/* MIB counters half full interrupt */
+		unsigned int        		:  1; 	/* Tx fail interrupt */
+		unsigned int rs_eofi		:  1;	/* RxDMA end of frame interrupt */
+		unsigned int rs_eodi		:  1;	/* RxDMA end of descriptor interrupt */
+		unsigned int rs_perr		:  1;   /* Rx Descriptor protocol error */
+		unsigned int rs_derr		:  1;   /* AHB Bus Error while rx */
+		unsigned int rs_finish		:  1;   /* finished rx interrupt */
+		unsigned int ts_eofi		:  1;   /* TxDMA end of frame interrupt */
+		unsigned int ts_eodi		:  1;	/* TxDMA end of descriptor interrupt */
+		unsigned int ts_perr		:  1;   /* Tx Descriptor protocol error */
+		unsigned int ts_derr		:  1;   /* AHB Bus Error while tx */
+		unsigned int ts_finish		:  1;	/* finished tx interrupt */
+#endif
+	} bits;
+} GMAC_DMA_STATUS_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit2_ff08
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int td_start		:  1;	/* Start DMA transfer */
+		unsigned int td_continue	:  1;   /* Continue DMA operation */
+		unsigned int td_chain_mode	:  1;	/* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/
+		unsigned int 				:  1;
+		unsigned int td_prot		:  4;	/* TxDMA protection control */
+		unsigned int td_burst_size  :  2;	/* TxDMA max burst size for every AHB request */
+		unsigned int td_bus		    :  2;	/* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */
+		unsigned int td_endian		:  1;	/* AHB Endian. 0-little endian; 1-big endian */
+		unsigned int td_finish_en   :  1;	/* DMA Finish Event Interrupt Enable;1-enable;0-mask */
+		unsigned int td_fail_en 	:  1;	/* DMA Fail Interrupt Enable;1-enable;0-mask */
+		unsigned int td_perr_en 	:  1;	/* Protocol Failure Interrupt Enable;1-enable;0-mask */
+		unsigned int td_eod_en  	:  1;	/* End of Descriptor interrupt Enable;1-enable;0-mask */
+		unsigned int td_eof_en      :  1;   /* End of frame interrupt Enable;1-enable;0-mask */
+		unsigned int 				: 14;
+#else
+		unsigned int 				: 14;
+		unsigned int td_eof_en      :  1;   /* End of frame interrupt Enable;1-enable;0-mask */
+		unsigned int td_eod_en  	:  1;	/* End of Descriptor interrupt Enable;1-enable;0-mask */
+		unsigned int td_perr_en 	:  1;	/* Protocol Failure Interrupt Enable;1-enable;0-mask */
+		unsigned int td_fail_en 	:  1;	/* DMA Fail Interrupt Enable;1-enable;0-mask */
+		unsigned int td_finish_en   :  1;	/* DMA Finish Event Interrupt Enable;1-enable;0-mask */
+		unsigned int td_endian		:  1;	/* AHB Endian. 0-little endian; 1-big endian */
+		unsigned int td_bus		    :  2;	/* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */
+		unsigned int td_burst_size  :  2;	/* TxDMA max burst size for every AHB request */
+		unsigned int td_prot		:  4;	/* TxDMA protection control */
+		unsigned int 				:  1;
+		unsigned int td_chain_mode	:  1;	/* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/
+		unsigned int td_continue	:  1;   /* Continue DMA operation */
+		unsigned int td_start		:  1;	/* Start DMA transfer */
+#endif
+	} bits;
+} GMAC_TXDMA_CTRL_T;
+
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit2_ff0c
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int td_first_des_ptr	: 28;/* first descriptor address */
+		unsigned int td_busy			:  1;/* 1-TxDMA busy; 0-TxDMA idle */
+		unsigned int 					:  3;
+#else
+		unsigned int 					:  3;
+		unsigned int td_busy			:  1;/* 1-TxDMA busy; 0-TxDMA idle */
+		unsigned int td_first_des_ptr	: 28;/* first descriptor address */
+#endif
+	} bits;
+} GMAC_TXDMA_FIRST_DESC_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit2_ff10
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int ndar			: 28;	/* next descriptor address */
+		unsigned int eofie			:  1;	/* end of frame interrupt enable */
+		unsigned int    			:  1;
+		unsigned int sof_eof		:  2;
+#else
+		unsigned int sof_eof		:  2;
+		unsigned int    			:  1;
+		unsigned int eofie			:  1;	/* end of frame interrupt enable */
+		unsigned int ndar			: 28;	/* next descriptor address */
+#endif
+	} bits;
+} GMAC_TXDMA_CURR_DESC_T;
+
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit2_ff14
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int rd_start		:  1;	/* Start DMA transfer */
+		unsigned int rd_continue	:  1;   /* Continue DMA operation */
+		unsigned int rd_chain_mode	:  1;	/* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/
+		unsigned int 				:  1;
+		unsigned int rd_prot		:  4;	/* DMA protection control */
+		unsigned int rd_burst_size  :  2;	/* DMA max burst size for every AHB request */
+		unsigned int rd_bus		    :  2;	/* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */
+		unsigned int rd_endian		:  1;	/* AHB Endian. 0-little endian; 1-big endian */
+		unsigned int rd_finish_en   :  1;	/* DMA Finish Event Interrupt Enable;1-enable;0-mask */
+		unsigned int rd_fail_en  	:  1;	/* DMA Fail Interrupt Enable;1-enable;0-mask */
+		unsigned int rd_perr_en 	:  1;	/* Protocol Failure Interrupt Enable;1-enable;0-mask */
+		unsigned int rd_eod_en  	:  1;	/* End of Descriptor interrupt Enable;1-enable;0-mask */
+		unsigned int rd_eof_en      :  1;   /* End of frame interrupt Enable;1-enable;0-mask */
+		unsigned int 				: 14;
+#else
+		unsigned int 				: 14;
+		unsigned int rd_eof_en      :  1;   /* End of frame interrupt Enable;1-enable;0-mask */
+		unsigned int rd_eod_en  	:  1;	/* End of Descriptor interrupt Enable;1-enable;0-mask */
+		unsigned int rd_perr_en 	:  1;	/* Protocol Failure Interrupt Enable;1-enable;0-mask */
+		unsigned int rd_fail_en  	:  1;	/* DMA Fail Interrupt Enable;1-enable;0-mask */
+		unsigned int rd_finish_en   :  1;	/* DMA Finish Event Interrupt Enable;1-enable;0-mask */
+		unsigned int rd_endian		:  1;	/* AHB Endian. 0-little endian; 1-big endian */
+		unsigned int rd_bus		    :  2;	/* peripheral bus width;0x->8 bits,10->16 bits,11->32 bits */
+		unsigned int rd_burst_size  :  2;	/* DMA max burst size for every AHB request */
+		unsigned int rd_prot		:  4;	/* DMA protection control */
+		unsigned int 				:  1;
+		unsigned int rd_chain_mode	:  1;	/* Descriptor Chain Mode;1-Descriptor Chain mode, 0-Direct DMA mode*/
+		unsigned int rd_continue	:  1;   /* Continue DMA operation */
+		unsigned int rd_start		:  1;	/* Start DMA transfer */
+#endif
+	} bits;
+} GMAC_RXDMA_CTRL_T;
+
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit2_ff18
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int rd_first_des_ptr	: 28;/* first descriptor address */
+		unsigned int rd_busy			:  1;/* 1-RxDMA busy; 0-RxDMA idle */
+		unsigned int 					:  3;
+#else
+		unsigned int 					:  3;
+		unsigned int rd_busy			:  1;/* 1-RxDMA busy; 0-RxDMA idle */
+		unsigned int rd_first_des_ptr	: 28;/* first descriptor address */
+#endif
+	} bits;
+} GMAC_RXDMA_FIRST_DESC_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit2_ff1c
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int ndar			: 28;	/* next descriptor address */
+		unsigned int eofie			:  1;	/* end of frame interrupt enable */
+		unsigned int    			:  1;
+		unsigned int sof_eof		:  2;
+#else
+		unsigned int sof_eof		:  2;
+		unsigned int    			:  1;
+		unsigned int eofie			:  1;	/* end of frame interrupt enable */
+		unsigned int ndar			: 28;	/* next descriptor address */
+#endif
+	} bits;
+} GMAC_RXDMA_CURR_DESC_T;
+
+
+/********************************************/
+/*          Descriptor Format               */
+/********************************************/
+
+typedef struct descriptor_t
+{
+	union frame_control_t
+	{
+		unsigned int bits32;
+		struct bits_0000
+		{
+#if (BIG_ENDIAN==1)
+			unsigned int own 		: 1;	/* owner bit. 0-CPU, 1-DMA */
+			unsigned int derr		: 1;	/* data error during processing this descriptor */
+			unsigned int perr		: 1;	/* protocol error during processing this descriptor */
+			unsigned int csum_state : 3;	/* checksum error status */
+			unsigned int vlan_tag   : 1;    /* 802.1q vlan tag packet */
+			unsigned int frame_state: 3;    /* reference Rx Status1 */
+			unsigned int desc_count : 6;	/* number of descriptors used for the current frame */
+			unsigned int buffer_size:16;	/* transfer buffer size associated with current description*/
+#else
+			unsigned int buffer_size:16;	/* transfer buffer size associated with current description*/
+			unsigned int desc_count : 6;	/* number of descriptors used for the current frame */
+			unsigned int frame_state: 3;    /* reference Rx Status1 */
+			unsigned int vlan_tag   : 1;    /* 802.1q vlan tag packet */
+			unsigned int csum_state : 3;	/* checksum error status */
+			unsigned int perr		: 1;	/* protocol error during processing this descriptor */
+			unsigned int derr		: 1;	/* data error during processing this descriptor */
+			unsigned int own 		: 1;	/* owner bit. 0-CPU, 1-DMA */
+#endif
+		} bits_rx;
+
+		struct bits_0001
+		{
+#if (BIG_ENDIAN==1)
+			unsigned int own 		: 1;	/* owner bit. 0-CPU, 1-DMA */
+			unsigned int derr		: 1;	/* data error during processing this descriptor */
+			unsigned int perr		: 1;	/* protocol error during processing this descriptor */
+			unsigned int            : 6;
+			unsigned int success_tx : 1;    /* successful transmitted */
+			unsigned int desc_count : 6;	/* number of descriptors used for the current frame */
+			unsigned int buffer_size:16;	/* transfer buffer size associated with current description*/
+#else
+			unsigned int buffer_size:16;	/* transfer buffer size associated with current description*/
+			unsigned int desc_count : 6;	/* number of descriptors used for the current frame */
+			unsigned int success_tx : 1;    /* successful transmitted */
+			unsigned int            : 6;
+			unsigned int perr		: 1;	/* protocol error during processing this descriptor */
+			unsigned int derr		: 1;	/* data error during processing this descriptor */
+			unsigned int own 		: 1;	/* owner bit. 0-CPU, 1-DMA */
+#endif
+        } bits_tx_in;
+
+		struct bits_0002
+		{
+#if (BIG_ENDIAN==1)
+			unsigned int own 		: 1;	/* owner bit. 0-CPU, 1-DMA */
+			unsigned int derr		: 1;	/* data error during processing this descriptor */
+			unsigned int perr		: 1;	/* protocol error during processing this descriptor */
+			unsigned int            : 2;
+			unsigned int udp_csum_en: 1;    /* TSS UDP checksum enable */
+			unsigned int tcp_csum_en: 1;    /* TSS TCP checksum enable */
+			unsigned int ipv6_tx_en : 1;    /* TSS IPv6 TX enable */
+			unsigned int ip_csum_en : 1;    /* TSS IPv4 IP Header checksum enable */
+			unsigned int vlan_enable: 1;    /* VLAN TIC insertion enable */
+			unsigned int desc_count : 6;	/* number of descriptors used for the current frame */
+			unsigned int buffer_size:16;	/* transfer buffer size associated with current description*/
+#else
+			unsigned int buffer_size:16;	/* transfer buffer size associated with current description*/
+			unsigned int desc_count : 6;	/* number of descriptors used for the current frame */
+			unsigned int vlan_enable: 1;    /* VLAN TIC insertion enable */
+			unsigned int ip_csum_en : 1;    /* TSS IPv4 IP Header checksum enable */
+			unsigned int ipv6_tx_en : 1;    /* TSS IPv6 TX enable */
+			unsigned int tcp_csum_en: 1;    /* TSS TCP checksum enable */
+			unsigned int udp_csum_en: 1;    /* TSS UDP checksum enable */
+			unsigned int            : 2;
+			unsigned int perr		: 1;	/* protocol error during processing this descriptor */
+			unsigned int derr		: 1;	/* data error during processing this descriptor */
+			unsigned int own 		: 1;	/* owner bit. 0-CPU, 1-DMA */
+#endif
+        } bits_tx_out;
+
+	} frame_ctrl;
+
+	union flag_status_t
+	{
+		unsigned int bits32;
+		struct bits_0004
+		{
+#if (BIG_ENDIAN==1)
+            unsigned int priority   : 3;    /* user priority extracted from receiving frame*/
+            unsigned int cfi        : 1;	/* cfi extracted from receiving frame*/
+			unsigned int vlan_id    :12;	/* VLAN ID extracted from receiving frame */
+			unsigned int frame_count:16;	/* received frame byte count,include CRC,not include VLAN TIC */
+#else
+			unsigned int frame_count:16;	/* received frame byte count,include CRC,not include VLAN TIC */
+			unsigned int vlan_id    :12;	/* VLAN ID extracted from receiving frame */
+            unsigned int cfi        : 1;	/* cfi extracted from receiving frame*/
+            unsigned int priority   : 3;    /* user priority extracted from receiving frame*/
+#endif
+		} bits_rx_status;
+
+		struct bits_0005
+		{
+#if (BIG_ENDIAN==1)
+            unsigned int priority   : 3;    /* user priority to transmit*/
+            unsigned int cfi        : 1;	/* cfi to transmit*/
+			unsigned int vlan_id    :12;	/* VLAN ID to transmit */
+			unsigned int frame_count:16;    /* total tx frame byte count */
+#else
+			unsigned int frame_count:16;    /* total tx frame byte count */
+			unsigned int vlan_id    :12;	/* VLAN ID to transmit */
+            unsigned int cfi        : 1;	/* cfi to transmit*/
+            unsigned int priority   : 3;    /* user priority to transmit*/
+#endif
+		} bits_tx_flag;
+	} flag_status;
+
+	unsigned int buf_adr;	/* data buffer address */
+
+	union next_desc_t
+	{
+		unsigned int next_descriptor;
+		struct bits_000c
+		{
+#if (BIG_ENDIAN==1)
+			unsigned int ndar		:28;	/* next descriptor address */
+			unsigned int eofie		: 1;	/* end of frame interrupt enable */
+			unsigned int    		: 1;
+			unsigned int sof_eof	: 2;	/* 00-the linking descriptor   01-the last descriptor of a frame*/
+			                                /* 10-the first descriptor of a frame    11-only one descriptor for a frame*/
+#else
+			unsigned int sof_eof	: 2;	/* 00-the linking descriptor   01-the last descriptor of a frame*/
+			                                /* 10-the first descriptor of a frame    11-only one descriptor for a frame*/
+			unsigned int    		: 1;
+			unsigned int eofie		: 1;	/* end of frame interrupt enable */
+			unsigned int ndar		:28;	/* next descriptor address */
+#endif
+		} bits;
+	} next_desc;
+} GMAC_DESCRIPTOR_T;
+
+typedef struct gmac_conf {
+	struct net_device *dev;
+	int portmap;
+	int vid;
+	int flag;     /* 1: active  0: non-active */
+} sys_gmac_conf;
+
+struct gmac_private {
+	unsigned char       *tx_bufs;	/* Tx bounce buffer region. */
+	unsigned char       *rx_bufs;
+	GMAC_DESCRIPTOR_T	*tx_desc;	/* point to virtual TX descriptor address*/
+	GMAC_DESCRIPTOR_T	*rx_desc;	/* point to virtual RX descriptor address*/
+	GMAC_DESCRIPTOR_T	*tx_cur_desc;	/* point to current TX descriptor */
+	GMAC_DESCRIPTOR_T	*rx_cur_desc;	/* point to current RX descriptor */
+	GMAC_DESCRIPTOR_T   *tx_finished_desc;
+	GMAC_DESCRIPTOR_T   *rx_finished_desc;
+	unsigned long       cur_tx;
+	unsigned int        cur_rx;	/* Index into the Rx buffer of next Rx pkt. */
+	unsigned int        tx_flag;
+	unsigned long       dirty_tx;
+	unsigned char       *tx_buf[TX_DESC_NUM];	/* Tx bounce buffers */
+	dma_addr_t          tx_desc_dma; /* physical TX descriptor address */
+	dma_addr_t          rx_desc_dma;	/* physical RX descriptor address */
+	dma_addr_t          tx_bufs_dma; /* physical TX descriptor address */
+	dma_addr_t          rx_bufs_dma; /* physical RX descriptor address */
+    struct net_device_stats  stats;
+	pid_t               thr_pid;
+	wait_queue_head_t   thr_wait;
+	struct completion   thr_exited;
+    spinlock_t          lock;
+    int                 time_to_die;
+	unsigned int		tx_desc_hdr[GMAC_PHY_IF];	/* the descriptor which sw can fill */
+	unsigned int		tx_desc_tail[GMAC_PHY_IF];	/* the descriptor which is not cleaned yet */
+};
+
+
+struct reg_ioctl_data {
+    unsigned int    reg_addr;   /* the register address */
+    unsigned int    val_in;     /* data write to the register */
+    unsigned int    val_out;    /* data read from the register */
+};
+
+#ifdef CONFIG_SL2312_MPAGE
+typedef struct tx_data_t {
+	int	freeable; // 1 when it's skb. it can be freed in tx interrupt handler
+	struct sk_buff*	skb; // skb
+	int	desc_in_use; // 1 when the desc is in use. 0 when desc is available.
+	long end_seq; // to find out packets are in seq.
+	// so this value is the seq of next packet.
+} tx_data;
+#endif
+
+/*************************************************************
+ *         Global Variable
+ *************************************************************/
+struct semaphore        sem_gmac;   /* semaphore for share pins issue */
+
+/*************************************************************
+ *        Static Global Variable
+ *************************************************************/
+// static unsigned int     MAC_BASE_ADDR = GMAC0_BASE;
+static unsigned int     gmac_base_addr[GMAC_PHY_IF] = {GMAC0_BASE,GMAC1_BASE};
+static unsigned int     gmac_irq[GMAC_PHY_IF] = {IRQ_GMAC0,IRQ_GMAC1};
+static struct net_device *gmac_dev[GMAC_PHY_IF];
+
+static unsigned int     FLAG_SWITCH=0;	/* if 1-->switch chip presented. if 0-->switch chip unpresented */
+static unsigned int     flow_control_enable[GMAC_PHY_IF] = {1,1};
+static unsigned int     pre_phy_status[GMAC_PHY_IF] = {LINK_DOWN,LINK_DOWN};
+static unsigned int     tx_desc_virtual_base[GMAC_PHY_IF];
+static unsigned int     rx_desc_virtual_base[GMAC_PHY_IF];
+static unsigned int     full_duplex = 1;
+static unsigned int     speed = 1;
+#ifdef CONFIG_SL2312_MPAGE
+static tx_data		    tx_skb[GMAC_PHY_IF][TX_DESC_NUM];
+#else
+static struct sk_buff   *tx_skb[GMAC_PHY_IF][TX_DESC_NUM];
+#endif
+static struct sk_buff   *rx_skb[GMAC_PHY_IF][RX_DESC_NUM];
+static unsigned int     tx_desc_start_adr[GMAC_PHY_IF];
+static unsigned int     rx_desc_start_adr[GMAC_PHY_IF];
+static unsigned char    eth0_mac[6]= {0x00,0x50,0xc2,0x2b,0xd3,0x25};
+static unsigned char    eth1_mac[6]= {0x00,0x50,0xc2,0x2b,0xdf,0xfe};
+static unsigned int     next_tick = 3 * HZ;
+
+static unsigned int     phy_addr[GMAC_PHY_IF] = {0x01,0x02};  /* define PHY address */
+
+DECLARE_WAIT_QUEUE_HEAD(gmac_queue);
+//static 	wait_queue_t    wait;
+
+struct gmac_conf VLAN_conf[] = {
+#ifdef CONFIG_ADM_6999
+	{ (struct net_device *)0,0x7F,1 },
+	{ (struct net_device *)0,0x80,2 }
+#endif
+#ifdef CONFIG_ADM_6996
+	{ (struct net_device *)0,0x0F,1 },
+	{ (struct net_device *)0,0x10,2 }
+#endif
+};
+
+#define NUM_VLAN_IF	(sizeof(VLAN_conf)/sizeof(struct gmac_conf))
+
+
+/************************************************/
+/*            GMAC function declare             */
+/************************************************/
+
+unsigned int mii_read(unsigned char phyad,unsigned char regad);
+void mii_write(unsigned char phyad,unsigned char regad,unsigned int value);
+static void gmac_set_phy_status(struct net_device *dev);
+static void gmac_get_phy_status(struct net_device *dev);
+static int gmac_phy_thread (void *data);
+static int gmac_set_mac_address(struct net_device *dev, void *addr);
+static void gmac_tx_timeout(struct net_device *dev);
+static void gmac_tx_packet_complete(struct net_device *dev);
+static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static void gmac_set_rx_mode(struct net_device *dev);
+static void gmac_rx_packet(struct net_device *dev);
+static int gmac_open (struct net_device *dev);
+static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+
+static unsigned int gmac_get_dev_index(struct net_device *dev);
+static unsigned int gmac_select_interface(struct net_device *dev);
+
+#ifdef CONFIG_SL2312_MPAGE
+int printk_all(int dev_index, struct gmac_private* tp);
+#endif
+
+/****************************************/
+/*	SPI Function Declare		*/
+/****************************************/
+void SPI_write(unsigned char addr,unsigned int value);
+unsigned int SPI_read(unsigned char table,unsigned char addr);
+void SPI_write_bit(char bit_EEDO);
+unsigned int SPI_read_bit(void);
+void SPI_default(void);
+void SPI_reset(unsigned char rstype,unsigned char port_cnt);
+void SPI_pre_st(void);
+void SPI_CS_enable(unsigned char enable);
+void SPI_Set_VLAN(unsigned char LAN,unsigned int port_mask);
+void SPI_Set_tag(unsigned int port,unsigned tag);
+void SPI_Set_PVID(unsigned int PVID,unsigned int port_mask);
+unsigned int SPI_Get_PVID(unsigned int port);
+void SPI_mac_lock(unsigned int port, unsigned char lock);
+void SPI_get_port_state(unsigned int port);
+void SPI_port_enable(unsigned int port,unsigned char enable);
+unsigned int SPI_get_identifier(void);
+void SPI_get_status(unsigned int port);
+
+/****************************************/
+/*	VLAN Function Declare		        */
+/****************************************/
+int getVLANfromdev (struct net_device *dev );
+struct net_device * getdevfromVLAN( int VID);
+
+
+
+/************************************************/
+/*                 function body                */
+/************************************************/
+#if 0
+void hw_memcpy(void *to,const void *from,unsigned long n)
+{
+    writel(from,SL2312_DRAM_CTRL_BASE+0x20);  /* set source address */
+    writel(to,SL2312_DRAM_CTRL_BASE+0x24);    /* set destination address */
+    writel(n,SL2312_DRAM_CTRL_BASE+0x28);     /* set byte count */
+    writel(0x00000001,SL2312_DRAM_CTRL_BASE+0x2c);
+    while (readl(SL2312_DRAM_CTRL_BASE+0x2c));
+}
+#endif
+
+static unsigned int gmac_read_reg(unsigned int addr)
+{
+    unsigned int    reg_val;
+//    unsigned int    flags;
+//    spinlock_t     lock;
+
+//    spin_lock_irqsave(&lock, flags);
+    reg_val = readl(addr);	// Gary Chen
+//	spin_unlock_irqrestore(&lock, flags);
+	return (reg_val);
+}
+
+static void gmac_write_reg(unsigned int addr,unsigned int data,unsigned int bit_mask)
+{
+	unsigned int    reg_val;
+    //unsigned int    *addr;
+//    unsigned int    flags;
+//    spinlock_t     lock;
+
+//    spin_lock_irqsave(&lock, flags);
+	reg_val = ( gmac_read_reg(addr) & (~bit_mask) ) | (data & bit_mask);
+    writel(reg_val,addr);
+//	spin_unlock_irqrestore(&lock, flags);
+	return;
+}
+
+
+static void gmac_sw_reset(struct net_device *dev)
+{
+    unsigned int    index;
+    unsigned int    reg_val;
+
+    index = gmac_get_dev_index(dev);
+    if (index==0)
+        reg_val = readl(GMAC_GLOBAL_BASE_ADDR+0x0c) | 0x00000020;   /* GMAC0 S/W reset */
+    else
+        reg_val = readl(GMAC_GLOBAL_BASE_ADDR+0x0c) | 0x00000040;   /* GMAC1 S/W reset */
+
+    writel(reg_val,GMAC_GLOBAL_BASE_ADDR+0x0c);
+    return;
+}
+
+static void gmac_get_mac_address(void)
+{
+#ifdef CONFIG_MTD
+	extern int get_vlaninfo(vlaninfo* vlan);
+    static vlaninfo    vlan[2];
+
+    if (get_vlaninfo(&vlan[0]))
+    {
+        memcpy(eth0_mac,vlan[0].mac,6);
+        VLAN_conf[0].vid = vlan[0].vlanid;
+        VLAN_conf[0].portmap = vlan[0].vlanmap;
+        memcpy(eth1_mac,vlan[1].mac,6);
+        VLAN_conf[1].vid = vlan[1].vlanid;
+        VLAN_conf[1].portmap = vlan[1].vlanmap;
+    }
+#else
+    unsigned int reg_val;
+
+    reg_val = readl(IO_ADDRESS(SL2312_SECURITY_BASE)+0xac);
+    eth0_mac[4] = (reg_val & 0xff00) >> 8;
+    eth0_mac[5] = reg_val & 0x00ff;
+    reg_val = readl(IO_ADDRESS(SL2312_SECURITY_BASE)+0xac);
+    eth1_mac[4] = (reg_val & 0xff00) >> 8;
+    eth1_mac[5] = reg_val & 0x00ff;
+#endif
+    return;
+}
+
+static unsigned int gmac_get_dev_index(struct net_device *dev)
+{
+    unsigned int    i;
+
+    /* get device index number */
+    for (i=0;i<GMAC_PHY_IF;i++)
+    {
+        if (gmac_dev[i]==dev)
+        {
+            return(i);
+        }
+    }
+    return (0xff);
+}
+
+static unsigned int gmac_select_interface(struct net_device *dev)
+{
+    unsigned int    index;
+
+    index = gmac_get_dev_index(dev);
+    // MAC_BASE_ADDR = gmac_base_addr[index];	// Gary Chen
+    return (index);
+}
+
+
+static void gmac_dump_register(struct net_device *dev)
+{
+#if 0
+    unsigned int   i,val,index;
+
+    index = gmac_select_interface(dev);
+
+    printk("========== GMAC%d ==========\n",index);
+    for (i=0;i<=0x7c;i=i+4)
+    {
+        val = gmac_read_reg(gmac_base_addr[index] + i);
+        printk("offset = %08x   value = %08x\n",i,val);
+    }
+    for (i=0xff00;i<=0xff7c;i=i+4)
+    {
+        val = gmac_read_reg(gmac_base_addr[index] + i);
+        printk("offset = %08x   value = %08x\n",i,val);
+    }
+#endif
+}
+
+static int gmac_init_chip(struct net_device *dev)
+{
+	GMAC_RBNR_T		rbnr_val,rbnr_mask;
+	GMAC_CONFIG2_T	config2_val;
+	GMAC_CONFIG0_T	config0,config0_mask;
+	GMAC_CONFIG1_T	config1;
+	struct sockaddr sock;
+	unsigned int    status;
+	unsigned int    phy_mode;
+	unsigned int    index;
+
+    index = gmac_get_dev_index(dev);
+
+    /* set GMAC RMII mode */
+    if (index==0)
+        phy_mode = 0;   /* 0->MII 1->GMII 2->RGMII(10/100) 3->RGMII(1000) */
+    else
+        phy_mode = 2;   /* 0->MII 1->GMII 2->RGMII(10/100) 3->RGMII(1000) */
+
+    /* set PHY operation mode */
+    status = (phy_mode<<5) | 0x11 | (full_duplex<<3) | (speed<<1);
+    gmac_write_reg(gmac_base_addr[index] + GMAC_STATUS,status ,0x0000007f);
+
+	/* set station MAC address1 and address2 */
+	if (index==0)
+	    memcpy(&sock.sa_data[0],&eth0_mac[0],6);
+    else
+	    memcpy(&sock.sa_data[0],&eth1_mac[0],6);
+    gmac_set_mac_address(dev,(void *)&sock);
+
+    /* set RX_FLTR register to receive all multicast packet */
+    gmac_write_reg(gmac_base_addr[index] + GMAC_RX_FLTR,0x0000001F,0x0000001f);
+    //gmac_write_reg(gmac_base_addr[index] + GMAC_RX_FLTR,0x00000007,0x0000001f);
+
+	/* set per packet buffer size */
+	config1.bits32 = 0;
+    config1.bits.buf_size = 11; /* buffer size = 2048-byte */
+    gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG1,config1.bits32,0x0000000f);
+
+	/* set flow control threshold */
+	config2_val.bits32 = 0;
+	config2_val.bits.set_threshold = RX_DESC_NUM/4;
+	config2_val.bits.rel_threshold = RX_DESC_NUM*3/4;
+	gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG2,config2_val.bits32,0xffffffff);
+
+	/* init remaining buffer number register */
+	rbnr_val.bits32 = 0;
+	rbnr_val.bits.buf_remain = RX_DESC_NUM;
+	rbnr_mask.bits32 = 0;
+	rbnr_mask.bits.buf_remain = 0xffff;
+	gmac_write_reg(gmac_base_addr[index] + GMAC_RBNR,rbnr_val.bits32,rbnr_mask.bits32);
+
+    /* disable TX/RX and disable internal loop back */
+    config0.bits32 = 0;
+    config0_mask.bits32 = 0;
+    config0.bits.max_len = 2;
+    if (flow_control_enable[index]==1)
+    {
+        config0.bits.tx_fc_en = 1; /* enable tx flow control */
+        config0.bits.rx_fc_en = 1; /* enable rx flow control */
+        printk("Enable MAC Flow Control...\n");
+    }
+    else
+    {
+        config0.bits.tx_fc_en = 0; /* disable tx flow control */
+        config0.bits.rx_fc_en = 0; /* disable rx flow control */
+        printk("Disable MAC Flow Control...\n");
+    }
+    config0.bits.dis_rx = 1;  /* disable rx */
+    config0.bits.dis_tx = 1;  /* disable tx */
+    config0.bits.loop_back = 0; /* enable/disable GMAC loopback */
+	config0.bits.inv_rx_clk = 0;
+	config0.bits.rising_latch = 1;
+	config0.bits.ipv4_tss_rx_en = 1;  /* enable H/W to check ip checksum */
+	config0.bits.ipv6_tss_rx_en = 1;  /* enable H/W to check ip checksum */
+
+    config0_mask.bits.max_len = 7;
+    config0_mask.bits.tx_fc_en = 1;
+    config0_mask.bits.rx_fc_en = 1;
+    config0_mask.bits.dis_rx = 1;
+    config0_mask.bits.dis_tx = 1;
+    config0_mask.bits.loop_back = 1;
+    config0_mask.bits.inv_rx_clk = 1;
+	config0_mask.bits.rising_latch = 1;
+	config0_mask.bits.ipv4_tss_rx_en = 1;
+	config0_mask.bits.ipv6_tss_rx_en = 1;
+    gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
+
+	return (0);
+}
+
+static void gmac_enable_tx_rx(struct net_device *dev)
+{
+	GMAC_CONFIG0_T	config0,config0_mask;
+	int				dev_index;
+
+    dev_index = gmac_select_interface(dev);
+
+    /* enable TX/RX */
+    config0.bits32 = 0;
+    config0_mask.bits32 = 0;
+    config0.bits.dis_rx = 0;  /* enable rx */
+    config0.bits.dis_tx = 0;  /* enable tx */
+    config0_mask.bits.dis_rx = 1;
+    config0_mask.bits.dis_tx = 1;
+    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
+}
+
+static void gmac_disable_tx_rx(struct net_device *dev)
+{
+	GMAC_CONFIG0_T	config0,config0_mask;
+	int				dev_index;
+
+    dev_index = gmac_select_interface(dev);
+
+    /* enable TX/RX */
+    config0.bits32 = 0;
+    config0_mask.bits32 = 0;
+    config0.bits.dis_rx = 1;  /* disable rx */
+    config0.bits.dis_tx = 1;  /* disable tx */
+    config0_mask.bits.dis_rx = 1;
+    config0_mask.bits.dis_tx = 1;
+    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
+}
+
+#ifdef CONFIG_SL_NAPI
+static int gmac_rx_poll_ga(struct net_device *dev, int *budget)
+{
+	struct gmac_private *tp = dev->priv;
+	struct sk_buff 		*skb;
+    GMAC_RXDMA_CTRL_T       rxdma_ctrl,rxdma_ctrl_mask;
+	GMAC_RXDMA_FIRST_DESC_T	rxdma_busy;
+    GMAC_DESCRIPTOR_T   *rx_desc;
+	unsigned int 		pkt_size;
+	unsigned int        desc_count;
+    unsigned int        vid;
+//    unsigned int        priority;
+	unsigned int        own;
+	unsigned int        good_frame = 0;
+	unsigned int        index;
+	unsigned int        dev_index;
+	int                 work = 0;
+	int                 work_done = 0;
+	int                 quota = min(dev->quota, *budget);
+
+    dev_index = gmac_select_interface(dev);
+
+	for (;;)
+	{
+        own = tp->rx_cur_desc->frame_ctrl.bits32 >> 31;
+        if (own == CPU) /* check owner bit */
+        {
+	        rx_desc = tp->rx_cur_desc;
+#if (GMAC_DEBUG==1)
+	        /* check error interrupt */
+	        if ( (rx_desc->frame_ctrl.bits_rx.derr==1)||(rx_desc->frame_ctrl.bits_rx.perr==1) )
+	        {
+    	        printk("%s::Rx Descriptor Processing Error !!!\n",__func__);
+    	    }
+#endif
+    	    /* get frame information from the first descriptor of the frame */
+	        pkt_size = rx_desc->flag_status.bits_rx_status.frame_count - 4;  /*total byte count in a frame*/
+#if (GMAC_DEBUG==1)
+            priority = rx_desc->flag_status.bits_rx_status.priority;    /* 802.1p priority */
+#endif
+            vid = rx_desc->flag_status.bits_rx_status.vlan_id;          /* 802.1q vlan id */
+            if (vid == 0)
+            {
+                vid = 1;    /* default vlan */
+            }
+	        desc_count = rx_desc->frame_ctrl.bits_rx.desc_count; /* get descriptor count per frame */
+
+    		if (rx_desc->frame_ctrl.bits_rx.frame_state == 0x000) /* good frame */
+    		{
+    			tp->stats.rx_bytes += pkt_size;
+    			tp->stats.rx_packets++;
+    			good_frame = 1;
+    		}
+    		else
+    		{
+    			tp->stats.rx_errors++;
+    			good_frame = 0;
+    			printk("RX status: 0x%x\n",rx_desc->frame_ctrl.bits_rx.frame_state);
+    		}
+    	}
+    	else
+    	{
+    	    work_done = 1;
+    	    break;  /* Rx process is completed */
+    	}
+
+        if (good_frame == 1)
+        {
+            /* get rx skb buffer index */
+            index = ((unsigned int)tp->rx_cur_desc - rx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+            if (rx_skb[dev_index][index])
+            {
+                skb_reserve (rx_skb[dev_index][index], 2);	/* 16 byte align the IP fields. */
+                rx_skb[dev_index][index]->dev = dev;
+                rx_skb[dev_index][index]->ip_summed = CHECKSUM_UNNECESSARY;
+ 			    skb_put(rx_skb[dev_index][index],pkt_size);
+ 			    rx_skb[dev_index][index]->protocol = eth_type_trans(rx_skb[dev_index][index],dev); /* set skb protocol */
+ 			    netif_rx(rx_skb[dev_index][index]);  /* socket rx */
+ 			    dev->last_rx = jiffies;
+
+ 			    /* allocate rx skb buffer */
+                if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL)  /* allocate socket buffer */
+                {
+                    printk("%s::skb buffer allocation fail !\n",__func__);
+                }
+                rx_skb[dev_index][index] = skb;
+                tp->rx_cur_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02;    /* insert two bytes in the beginning of rx data */
+            }
+            else
+            {
+                printk("%s::rx skb index error !\n",__func__);
+            }
+        }
+
+	    tp->rx_cur_desc->frame_ctrl.bits_rx.own = DMA; /* release rx descriptor to DMA */
+        /* point to next rx descriptor */
+        tp->rx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->rx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+rx_desc_virtual_base[dev_index]);
+
+        /* release buffer to Remaining Buffer Number Register */
+        if (flow_control_enable[dev_index] ==1)
+        {
+//            gmac_write_reg(gmac_base_addr[dev_index] + GMAC_BNCR,desc_count,0x0000ffff);
+            writel(desc_count,(unsigned int *)(gmac_base_addr[dev_index] + GMAC_BNCR));
+        }
+
+		if (work++ >= quota )
+		{
+			break;
+		}
+    }
+
+    /* if RX DMA process is stoped , restart it */
+	rxdma_busy.bits.rd_first_des_ptr = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC);
+	if (rxdma_busy.bits.rd_busy == 0)
+	{
+	    rxdma_ctrl.bits32 = 0;
+    	rxdma_ctrl.bits.rd_start = 1;    /* start RX DMA transfer */
+	    rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
+	    rxdma_ctrl_mask.bits32 = 0;
+    	rxdma_ctrl_mask.bits.rd_start = 1;
+	    rxdma_ctrl_mask.bits.rd_continue = 1;
+	    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
+    }
+
+	dev->quota -= work;
+	*budget -= work;
+	if (work_done==1)
+	{
+	    /* Receive descriptor is empty now */
+        netif_rx_complete(dev);
+        /* enable receive interrupt */
+        gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,0x0007c000,0x0007c000);   /* enable rx interrupt */
+        return 0;
+    }
+    else
+    {
+        return -1;
+    }
+}
+
+static int gmac_rx_poll_gb(struct net_device *dev, int *budget)
+{
+	struct gmac_private *tp = dev->priv;
+	struct sk_buff 		*skb;
+    GMAC_RXDMA_CTRL_T       rxdma_ctrl,rxdma_ctrl_mask;
+	GMAC_RXDMA_FIRST_DESC_T	rxdma_busy;
+    GMAC_DESCRIPTOR_T   *rx_desc;
+	unsigned int 		pkt_size;
+	unsigned int        desc_count;
+    unsigned int        vid;
+//    unsigned int        priority;
+	unsigned int        own;
+	unsigned int        good_frame = 0;
+	unsigned int        index;
+	unsigned int        dev_index;
+	int                 work = 0;
+	int                 work_done = 0;
+	int                 quota = min(dev->quota, *budget);
+
+    dev_index = gmac_select_interface(dev);
+
+	for (;;)
+	{
+        own = tp->rx_cur_desc->frame_ctrl.bits32 >> 31;
+        if (own == CPU) /* check owner bit */
+        {
+	        rx_desc = tp->rx_cur_desc;
+#if (GMAC_DEBUG==1)
+	        /* check error interrupt */
+	        if ( (rx_desc->frame_ctrl.bits_rx.derr==1)||(rx_desc->frame_ctrl.bits_rx.perr==1) )
+	        {
+    	        printk("%s::Rx Descriptor Processing Error !!!\n",__func__);
+    	    }
+#endif
+    	    /* get frame information from the first descriptor of the frame */
+	        pkt_size = rx_desc->flag_status.bits_rx_status.frame_count - 4;  /*total byte count in a frame*/
+#if (GMAC_DEBUG==1)
+            priority = rx_desc->flag_status.bits_rx_status.priority;    /* 802.1p priority */
+#endif
+            vid = rx_desc->flag_status.bits_rx_status.vlan_id;          /* 802.1q vlan id */
+            if (vid == 0)
+            {
+                vid = 1;    /* default vlan */
+            }
+	        desc_count = rx_desc->frame_ctrl.bits_rx.desc_count; /* get descriptor count per frame */
+
+    		if (rx_desc->frame_ctrl.bits_rx.frame_state == 0x000) /* good frame */
+    		{
+    			tp->stats.rx_bytes += pkt_size;
+    			tp->stats.rx_packets++;
+    			good_frame = 1;
+    		}
+    		else
+    		{
+    			tp->stats.rx_errors++;
+    			good_frame = 0;
+    			printk("RX status: 0x%x\n",rx_desc->frame_ctrl.bits_rx.frame_state);
+    		}
+    	}
+    	else
+    	{
+    	    work_done = 1;
+    	    break;  /* Rx process is completed */
+    	}
+
+        if (good_frame == 1)
+        {
+            /* get rx skb buffer index */
+            index = ((unsigned int)tp->rx_cur_desc - rx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+            if (rx_skb[dev_index][index])
+            {
+                skb_reserve (rx_skb[dev_index][index], 2);	/* 16 byte align the IP fields. */
+                rx_skb[dev_index][index]->dev = dev;
+                rx_skb[dev_index][index]->ip_summed = CHECKSUM_UNNECESSARY;
+ 			    skb_put(rx_skb[dev_index][index],pkt_size);
+ 			    rx_skb[dev_index][index]->protocol = eth_type_trans(rx_skb[dev_index][index],dev); /* set skb protocol */
+ 			    netif_rx(rx_skb[dev_index][index]);  /* socket rx */
+ 			    dev->last_rx = jiffies;
+
+ 			    /* allocate rx skb buffer */
+                if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL)  /* allocate socket buffer */
+                {
+                    printk("%s::skb buffer allocation fail !\n",__func__);
+                }
+                rx_skb[dev_index][index] = skb;
+                tp->rx_cur_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02;    /* insert two bytes in the beginning of rx data */
+            }
+            else
+            {
+                printk("%s::rx skb index error !\n",__func__);
+            }
+        }
+
+	    tp->rx_cur_desc->frame_ctrl.bits_rx.own = DMA; /* release rx descriptor to DMA */
+        /* point to next rx descriptor */
+        tp->rx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->rx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+rx_desc_virtual_base[dev_index]);
+
+        /* release buffer to Remaining Buffer Number Register */
+        if (flow_control_enable[dev_index] ==1)
+        {
+//            gmac_write_reg(gmac_base_addr[dev_index] + GMAC_BNCR,desc_count,0x0000ffff);
+            writel(desc_count,(unsigned int *)(gmac_base_addr[dev_index] + GMAC_BNCR));
+        }
+
+		if (work++ >= quota )
+		{
+			break;
+		}
+    }
+
+    /* if RX DMA process is stoped , restart it */
+	rxdma_busy.bits.rd_first_des_ptr = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC);
+	if (rxdma_busy.bits.rd_busy == 0)
+	{
+	    rxdma_ctrl.bits32 = 0;
+    	rxdma_ctrl.bits.rd_start = 1;    /* start RX DMA transfer */
+	    rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
+	    rxdma_ctrl_mask.bits32 = 0;
+    	rxdma_ctrl_mask.bits.rd_start = 1;
+	    rxdma_ctrl_mask.bits.rd_continue = 1;
+	    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
+    }
+
+	dev->quota -= work;
+	*budget -= work;
+	if (work_done==1)
+	{
+	    /* Receive descriptor is empty now */
+        netif_rx_complete(dev);
+        /* enable receive interrupt */
+        gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,0x0007c000,0x0007c000);   /* enable rx interrupt */
+        return 0;
+    }
+    else
+    {
+        return -1;
+    }
+}
+
+#endif
+
+static void gmac_rx_packet(struct net_device *dev)
+{
+	struct gmac_private *tp = dev->priv;
+	struct sk_buff 		*skb;
+    GMAC_RXDMA_CTRL_T       rxdma_ctrl,rxdma_ctrl_mask;
+	GMAC_RXDMA_FIRST_DESC_T	rxdma_busy;
+    GMAC_DESCRIPTOR_T   *rx_desc;
+	unsigned int 		pkt_size;
+	unsigned int        desc_count;
+    unsigned int        vid;
+//    unsigned int        priority;
+	unsigned int        own;
+	unsigned int        good_frame = 0;
+	unsigned int        i,index;
+	unsigned int        dev_index;
+
+    dev_index = gmac_select_interface(dev);
+
+	for (i=0;i<256;i++)
+	{
+        own = tp->rx_cur_desc->frame_ctrl.bits32 >> 31;
+        if (own == CPU) /* check owner bit */
+        {
+	        rx_desc = tp->rx_cur_desc;
+#if (GMAC_DEBUG==1)
+	        /* check error interrupt */
+	        if ( (rx_desc->frame_ctrl.bits_rx.derr==1)||(rx_desc->frame_ctrl.bits_rx.perr==1) )
+	        {
+    	        printk("%s::Rx Descriptor Processing Error !!!\n",__func__);
+    	    }
+#endif
+    	    /* get frame information from the first descriptor of the frame */
+	        pkt_size = rx_desc->flag_status.bits_rx_status.frame_count - 4;  /*total byte count in a frame*/
+#if (GMAC_DEBUG==1)
+            priority = rx_desc->flag_status.bits_rx_status.priority;    /* 802.1p priority */
+#endif
+            vid = rx_desc->flag_status.bits_rx_status.vlan_id;          /* 802.1q vlan id */
+            if (vid == 0)
+            {
+                vid = 1;    /* default vlan */
+            }
+	        desc_count = rx_desc->frame_ctrl.bits_rx.desc_count; /* get descriptor count per frame */
+
+    		if (rx_desc->frame_ctrl.bits_rx.frame_state == 0x000) /* good frame */
+    		{
+    			tp->stats.rx_bytes += pkt_size;
+    			tp->stats.rx_packets++;
+    			good_frame = 1;
+    		}
+    		else
+    		{
+    			tp->stats.rx_errors++;
+    			good_frame = 0;
+    			printk("RX status: 0x%x\n",rx_desc->frame_ctrl.bits_rx.frame_state);
+    		}
+    	}
+    	else
+    	{
+    	    break;  /* Rx process is completed */
+    	}
+
+        if (good_frame == 1)
+        {
+            /* get rx skb buffer index */
+            index = ((unsigned int)tp->rx_cur_desc - rx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+            if (rx_skb[dev_index][index])
+            {
+                skb_reserve (rx_skb[dev_index][index], 2);	/* 16 byte align the IP fields. */
+                rx_skb[dev_index][index]->dev = dev;
+                rx_skb[dev_index][index]->ip_summed = CHECKSUM_UNNECESSARY;
+ 			    skb_put(rx_skb[dev_index][index],pkt_size);
+ 			    rx_skb[dev_index][index]->protocol = eth_type_trans(rx_skb[dev_index][index],dev); /* set skb protocol */
+ 			    netif_rx(rx_skb[dev_index][index]);  /* socket rx */
+ 			    dev->last_rx = jiffies;
+
+ 			    /* allocate rx skb buffer */
+                if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL)  /* allocate socket buffer */
+                {
+                    printk("%s::skb buffer allocation fail !\n",__func__);
+                }
+                rx_skb[dev_index][index] = skb;
+                tp->rx_cur_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02;    /* insert two bytes in the beginning of rx data */
+            }
+            else
+            {
+                printk("%s::rx skb index error !\n",__func__);
+            }
+        }
+
+	    tp->rx_cur_desc->frame_ctrl.bits_rx.own = DMA; /* release rx descriptor to DMA */
+        /* point to next rx descriptor */
+        tp->rx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->rx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+rx_desc_virtual_base[dev_index]);
+
+        /* release buffer to Remaining Buffer Number Register */
+        if (flow_control_enable[dev_index] ==1)
+        {
+            gmac_write_reg(gmac_base_addr[dev_index] + GMAC_BNCR,desc_count,0x0000ffff);
+        }
+    }
+
+    /* if RX DMA process is stoped , restart it */
+	rxdma_busy.bits.rd_first_des_ptr = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC);
+	if (rxdma_busy.bits.rd_busy == 0)
+	{
+	    rxdma_ctrl.bits32 = 0;
+    	rxdma_ctrl.bits.rd_start = 1;    /* start RX DMA transfer */
+	    rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
+	    rxdma_ctrl_mask.bits32 = 0;
+    	rxdma_ctrl_mask.bits.rd_start = 1;
+	    rxdma_ctrl_mask.bits.rd_continue = 1;
+	    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
+    }
+}
+
+#ifdef CONFIG_SL2312_MPAGE
+static inline void free_tx_buf(int dev_index, int desc_index)
+{
+	if (tx_skb[dev_index][desc_index].freeable &&
+	    tx_skb[dev_index][desc_index].skb) {
+		struct sk_buff* skb = tx_skb[dev_index][desc_index].skb;
+		//printk("free_skb %x, len %d\n", skb, skb->len);
+#ifdef CONFIG_TXINT_DISABLE
+		dev_kfree_skb(skb);
+#else
+		dev_kfree_skb_irq(skb);
+#endif
+		tx_skb[dev_index][desc_index].skb = 0;
+	}
+}
+
+#ifdef CONFIG_TXINT_DISABLE
+static void gmac_tx_packet_complete(struct net_device *dev)
+{
+	struct gmac_private     *tp = dev->priv;
+    GMAC_DESCRIPTOR_T	    *tx_hw_complete_desc, *next_desc;
+    unsigned int desc_cnt=0;
+    unsigned int i,index,dev_index;
+    unsigned int tx_current_descriptor = 0;
+	// int own_dma = 0;
+
+    dev_index = gmac_select_interface(dev);
+
+	index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+	if (tx_skb[dev_index][index].desc_in_use && tp->tx_finished_desc->frame_ctrl.bits_tx_in.own == CPU) {
+		free_tx_buf(dev_index, index);
+		tx_skb[dev_index][index].desc_in_use = 0;
+	}
+	next_desc = (GMAC_DESCRIPTOR_T*)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
+
+	for (;;) {
+		tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0)+ tx_desc_virtual_base[dev_index]);
+		if (next_desc == tx_hw_complete_desc)
+			break;
+		if (next_desc->frame_ctrl.bits_tx_in.own == CPU) {
+			if (next_desc->frame_ctrl.bits_tx_in.success_tx == 1) {
+				tp->stats.tx_bytes += next_desc->flag_status.bits_tx_flag.frame_count;
+				tp->stats.tx_packets ++;
+			} else {
+				tp->stats.tx_errors++;
+			}
+			desc_cnt = next_desc->frame_ctrl.bits_tx_in.desc_count;
+			for (i=1; i<desc_cnt; i++) {
+				/* get tx skb buffer index */
+				index = ((unsigned int)next_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+				next_desc->frame_ctrl.bits_tx_in.own = CPU;
+				free_tx_buf(dev_index, index);
+				tx_skb[dev_index][index].desc_in_use = 0;
+				tp->tx_desc_tail[dev_index] = (tp->tx_desc_tail[dev_index] +1) & (TX_DESC_NUM-1);
+				/* release Tx descriptor to CPU */
+				next_desc = (GMAC_DESCRIPTOR_T *)((next_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
+			}
+			/* get tx skb buffer index */
+			index = ((unsigned int)next_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+			/* free skb buffer */
+			next_desc->frame_ctrl.bits_tx_in.own = CPU;
+			free_tx_buf(dev_index, index);
+			tx_skb[dev_index][index].desc_in_use = 0;
+			tp->tx_desc_tail[dev_index] = (tp->tx_desc_tail[dev_index] +1) & (TX_DESC_NUM-1);
+			tp->tx_finished_desc = next_desc;
+//			printk("finish tx_desc index %d\n", index);
+			next_desc = (GMAC_DESCRIPTOR_T *)((next_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
+		}
+		else
+			break;
+	}
+	if (netif_queue_stopped(dev))
+	{
+		netif_wake_queue(dev);
+	}
+
+}
+#else
+static void gmac_tx_packet_complete(struct net_device *dev)
+{
+	struct gmac_private     *tp = dev->priv;
+	GMAC_DESCRIPTOR_T	    *tx_hw_complete_desc;
+	unsigned int desc_cnt=0;
+	unsigned int i,index,dev_index;
+	unsigned int tx_current_descriptor = 0;
+	// int own_dma = 0;
+
+	dev_index = gmac_select_interface(dev);
+
+	index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+
+	/* check tx status and accumulate tx statistics */
+	for (;;)
+	{
+
+        for (i=0;i<1000;i++)
+        {
+            tx_current_descriptor = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC);
+            if ( ((tx_current_descriptor & 0x00000003)==0x00000003) ||  /* only one descriptor */
+                 ((tx_current_descriptor & 0x00000003)==0x00000001) )   /* the last descriptor */
+            {
+                break;
+            }
+            udelay(1);
+        }
+        if (i==1000)
+        {
+//            gmac_dump_register(dev);
+//            printk("%s: tx current descriptor = %x \n",__func__,tx_current_descriptor);
+//            printk_all(dev_index, tp);
+            continue;
+        }
+
+	    /* get tx H/W completed descriptor virtual address */
+    	tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((tx_current_descriptor & 0xfffffff0)+ tx_desc_virtual_base[dev_index]);
+//    	tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0)+ tx_desc_virtual_base[dev_index]);
+	    if (tp->tx_finished_desc == tx_hw_complete_desc ) // ||
+		    //tx_skb[dev_index][index].desc_in_use )   /* complete tx processing */
+		{
+			break;
+		}
+
+        for (;;)
+        {
+    		if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.own == CPU)
+    		{
+    #if (GMAC_DEBUG==1)
+    			if ( (tp->tx_finished_desc->frame_ctrl.bits_tx_in.derr) ||
+    			   (tp->tx_finished_desc->frame_ctrl.bits_tx_in.perr) )
+    			{
+    				printk("%s::Descriptor Processing Error !!!\n",__func__);
+    			}
+    #endif
+    			if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.success_tx == 1)
+    			{
+    				tp->stats.tx_bytes += tp->tx_finished_desc->flag_status.bits_tx_flag.frame_count;
+    				tp->stats.tx_packets ++;
+    			}
+    			else
+    			{
+    				tp->stats.tx_errors++;
+    			}
+    			desc_cnt = tp->tx_finished_desc->frame_ctrl.bits_tx_in.desc_count;
+    			for (i=1; i<desc_cnt; i++)  /* multi-descriptor in one packet */
+    			{
+    				/* get tx skb buffer index */
+    				index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+    				tp->tx_finished_desc->frame_ctrl.bits_tx_in.own = CPU;
+    				free_tx_buf(dev_index, index);
+    				tx_skb[dev_index][index].desc_in_use = 0;
+    				/* release Tx descriptor to CPU */
+    				tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
+    			}
+    			/* get tx skb buffer index */
+    			index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+    			/* free skb buffer */
+    			tp->tx_finished_desc->frame_ctrl.bits_tx_in.own = CPU;
+    			free_tx_buf(dev_index, index);
+    			tx_skb[dev_index][index].desc_in_use = 0;
+    			tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
+
+        	    if (tp->tx_finished_desc == tx_hw_complete_desc )
+        		{
+        			break;
+        		}
+            }
+    		else
+    		{
+    			break;
+       		}
+		}
+	}
+
+	if (netif_queue_stopped(dev))
+	{
+		netif_wake_queue(dev);
+	}
+
+}
+#endif
+#else
+
+static void gmac_tx_packet_complete(struct net_device *dev)
+{
+	struct gmac_private     *tp = dev->priv;
+    GMAC_DESCRIPTOR_T	    *tx_hw_complete_desc;
+    unsigned int desc_cnt=0;
+    unsigned int i,index,dev_index;
+
+    dev_index = gmac_select_interface(dev);
+
+	/* get tx H/W completed descriptor virtual address */
+	tx_hw_complete_desc = (GMAC_DESCRIPTOR_T *)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0)+ tx_desc_virtual_base[dev_index]);
+	/* check tx status and accumulate tx statistics */
+    for (;;)
+    {
+        if (tp->tx_finished_desc == tx_hw_complete_desc)   /* complete tx processing */
+        {
+            break;
+        }
+    	if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.own == CPU)
+    	{
+#if (GMAC_DEBUG==1)
+    	    if ( (tp->tx_finished_desc->frame_ctrl.bits_tx_in.derr) ||
+    	         (tp->tx_finished_desc->frame_ctrl.bits_tx_in.perr) )
+    	    {
+    	        printk("%s::Descriptor Processing Error !!!\n",__func__);
+    	    }
+#endif
+            if (tp->tx_finished_desc->frame_ctrl.bits_tx_in.success_tx == 1)
+            {
+                tp->stats.tx_bytes += tp->tx_finished_desc->flag_status.bits_tx_flag.frame_count;
+                tp->stats.tx_packets ++;
+            }
+            else
+            {
+                tp->stats.tx_errors++;
+            }
+            desc_cnt = tp->tx_finished_desc->frame_ctrl.bits_tx_in.desc_count;
+        	for (i=1; i<desc_cnt; i++)  /* multi-descriptor in one packet */
+        	{
+                /* get tx skb buffer index */
+                index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+                /* free skb buffer */
+                if (tx_skb[dev_index][index])
+                {
+		            dev_kfree_skb_irq(tx_skb[dev_index][index]);
+		        }
+        	    /* release Tx descriptor to CPU */
+                tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
+                tp->tx_finished_desc->frame_ctrl.bits_tx_in.own = CPU;
+         	}
+            /* get tx skb buffer index */
+            index = ((unsigned int)tp->tx_finished_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+            /* free skb buffer */
+            if (tx_skb[dev_index][index])
+            {
+	            dev_kfree_skb_irq(tx_skb[dev_index][index]);
+	        }
+            tp->tx_finished_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_finished_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
+     	}
+    }
+
+	if (netif_queue_stopped(dev))
+	{
+	    netif_wake_queue(dev);
+	}
+
+}
+
+
+#endif
+
+#if 0
+static void gmac_weird_interrupt(struct net_device *dev)
+{
+    gmac_dump_register(dev);
+}
+#endif
+
+/* The interrupt handler does all of the Rx thread work and cleans up
+   after the Tx thread. */
+static irqreturn_t gmac_interrupt (int irq, void *dev_instance, struct pt_regs *regs)
+{
+	struct net_device       *dev = (struct net_device *)dev_instance;
+	GMAC_RXDMA_FIRST_DESC_T	rxdma_busy;
+//	GMAC_TXDMA_FIRST_DESC_T	txdma_busy;
+//    GMAC_TXDMA_CTRL_T       txdma_ctrl,txdma_ctrl_mask;
+    GMAC_RXDMA_CTRL_T       rxdma_ctrl,rxdma_ctrl_mask;
+	GMAC_DMA_STATUS_T	    status;
+    unsigned int            i,dev_index;
+	int                     handled = 0;
+
+    dev_index = gmac_select_interface(dev);
+
+	handled = 1;
+
+#ifdef CONFIG_SL_NAPI
+	disable_irq(gmac_irq[dev_index]);   /* disable GMAC interrupt */
+
+    status.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS);	 /* read DMA status */
+    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS,status.bits32,status.bits32);    /* clear DMA status */
+
+    if (status.bits.rx_overrun == 1)
+    {
+		printk("%s::RX Overrun !!!%d\n",__func__,gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RBNR));
+         gmac_dump_register(dev);
+        /* if RX DMA process is stoped , restart it */
+        rxdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC) ;
+        if (rxdma_busy.bits.rd_busy == 0)
+        {
+            /* restart Rx DMA process */
+	        rxdma_ctrl.bits32 = 0;
+	        rxdma_ctrl.bits.rd_start = 1;    /* start RX DMA transfer */
+            rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
+            rxdma_ctrl_mask.bits32 = 0;
+	        rxdma_ctrl_mask.bits.rd_start = 1;
+            rxdma_ctrl_mask.bits.rd_continue = 1;
+            gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
+        }
+    }
+
+    /* process rx packet */
+   	if (netif_running(dev) && ((status.bits.rs_eofi==1)||(status.bits.rs_finish==1)))
+   	{
+        if (likely(netif_rx_schedule_prep(dev)))
+        {
+            gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,0,0x0007c000);   /* disable rx interrupt */
+            __netif_rx_schedule(dev);
+        }
+    }
+#ifndef CONFIG_TXINT_DISABLE
+    /* process tx packet */
+	if (netif_running(dev) && ((status.bits.ts_eofi==1)||(status.bits.ts_finish==1)))
+	{
+		gmac_tx_packet_complete(dev);
+	}
+#endif
+
+	enable_irq(gmac_irq[dev_index]);    /* enable GMAC interrupt */
+    return IRQ_RETVAL(handled);
+#endif
+
+   /* disable GMAC interrupt */
+	disable_irq(gmac_irq[dev_index]);
+    for (i=0;i<MAX_ISR_WORK;i++)
+    {
+        /* read DMA status */
+	    status.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS);
+int_status = status.bits32;
+	    /* clear DMA status */
+        gmac_write_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS,status.bits32,status.bits32);
+
+        if ((status.bits32 & 0xffffc000)==0)
+        {
+            break;
+        }
+
+	    if (status.bits.rx_overrun == 1)
+	    {
+			printk("%s::RX Overrun !!!%d\n",__func__,gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RBNR));
+           	gmac_dump_register(dev);
+            /* if RX DMA process is stoped , restart it */
+	        rxdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_FIRST_DESC) ;
+	        if (rxdma_busy.bits.rd_busy == 0)
+	        {
+	            /* restart Rx DMA process */
+    	        rxdma_ctrl.bits32 = 0;
+    	        rxdma_ctrl.bits.rd_start = 1;    /* start RX DMA transfer */
+	            rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
+	            rxdma_ctrl_mask.bits32 = 0;
+    	        rxdma_ctrl_mask.bits.rd_start = 1;
+	            rxdma_ctrl_mask.bits.rd_continue = 1;
+	            gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
+            }
+	    }
+
+        /* receive rx interrupt */
+    	if (netif_running(dev) && ((status.bits.rs_eofi==1)||(status.bits.rs_finish==1)))
+    	{
+    		gmac_rx_packet(dev);
+//    		gmac_tx_packet_complete(dev);
+        }
+
+        /* receive tx interrupt */
+    	// if (netif_running(dev) && (status.bits.ts_finish==1))
+#ifndef CONFIG_TXINT_DISABLE
+    	if (netif_running(dev) && ((status.bits.ts_eofi==1)||
+			   (status.bits.ts_finish==1)))
+    	{
+    		gmac_tx_packet_complete(dev);
+    	}
+#endif
+    	/* check uncommon events */
+/*        if ((status.bits32 & 0x632fc000)!=0)
+        {
+            printk("%s::DMA Status = %08x \n",__func__,status.bits32);
+            gmac_weird_interrupt(dev);
+        }
+*/
+	}
+
+    /* enable GMAC interrupt */
+	enable_irq(gmac_irq[dev_index]);
+	//printk("gmac_interrupt complete!\n\n");
+	return IRQ_RETVAL(handled);
+}
+
+static void gmac_hw_start(struct net_device *dev)
+{
+	struct gmac_private     *tp = dev->priv;
+	GMAC_TXDMA_CURR_DESC_T	tx_desc;
+	GMAC_RXDMA_CURR_DESC_T	rx_desc;
+    GMAC_TXDMA_CTRL_T       txdma_ctrl,txdma_ctrl_mask;
+    GMAC_RXDMA_CTRL_T       rxdma_ctrl,rxdma_ctrl_mask;
+	GMAC_DMA_STATUS_T       dma_status,dma_status_mask;
+	int						dev_index;
+
+    dev_index = gmac_select_interface(dev);
+
+	/* program TxDMA Current Descriptor Address register for first descriptor */
+	tx_desc.bits32 = (unsigned int)(tp->tx_desc_dma);
+	tx_desc.bits.eofie = 1;
+	tx_desc.bits.sof_eof = 0x03;
+	gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC,tx_desc.bits32,0xffffffff);
+	gmac_write_reg(gmac_base_addr[dev_index] + 0xff2c,tx_desc.bits32,0xffffffff);   /* tx next descriptor address */
+
+	/* program RxDMA Current Descriptor Address register for first descriptor */
+	rx_desc.bits32 = (unsigned int)(tp->rx_desc_dma);
+	rx_desc.bits.eofie = 1;
+	rx_desc.bits.sof_eof = 0x03;
+	gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CURR_DESC,rx_desc.bits32,0xffffffff);
+	gmac_write_reg(gmac_base_addr[dev_index] + 0xff3c,rx_desc.bits32,0xffffffff);   /* rx next descriptor address */
+
+	/* enable GMAC interrupt & disable loopback */
+	dma_status.bits32 = 0;
+	dma_status.bits.loop_back = 0;  /* disable DMA loop-back mode */
+//	dma_status.bits.m_tx_fail = 1;
+	dma_status.bits.m_cnt_full = 1;
+	dma_status.bits.m_rx_pause_on = 1;
+	dma_status.bits.m_tx_pause_on = 1;
+	dma_status.bits.m_rx_pause_off = 1;
+	dma_status.bits.m_tx_pause_off = 1;
+	dma_status.bits.m_rx_overrun = 1;
+	dma_status.bits.m_link_change = 1;
+	dma_status_mask.bits32 = 0;
+	dma_status_mask.bits.loop_back = 1;
+//	dma_status_mask.bits.m_tx_fail = 1;
+	dma_status_mask.bits.m_cnt_full = 1;
+	dma_status_mask.bits.m_rx_pause_on = 1;
+	dma_status_mask.bits.m_tx_pause_on = 1;
+	dma_status_mask.bits.m_rx_pause_off = 1;
+	dma_status_mask.bits.m_tx_pause_off = 1;
+	dma_status_mask.bits.m_rx_overrun = 1;
+	dma_status_mask.bits.m_link_change = 1;
+	gmac_write_reg(gmac_base_addr[dev_index] + GMAC_DMA_STATUS,dma_status.bits32,dma_status_mask.bits32);
+
+    /* program tx dma control register */
+	txdma_ctrl.bits32 = 0;
+	txdma_ctrl.bits.td_start = 0;    /* start TX DMA transfer */
+	txdma_ctrl.bits.td_continue = 0; /* continue Tx DMA operation */
+	txdma_ctrl.bits.td_chain_mode = 1;  /* chain mode */
+	txdma_ctrl.bits.td_prot = 0;
+	txdma_ctrl.bits.td_burst_size = 2;  /* DMA burst size for every AHB request */
+	txdma_ctrl.bits.td_bus = 2;         /* peripheral bus width */
+	txdma_ctrl.bits.td_endian = 0;      /* little endian */
+#ifdef CONFIG_TXINT_DISABLE
+	txdma_ctrl.bits.td_finish_en = 0;   /* DMA finish event interrupt disable */
+#else
+	txdma_ctrl.bits.td_finish_en = 1;   /* DMA finish event interrupt enable */
+#endif
+	txdma_ctrl.bits.td_fail_en = 1;     /* DMA fail interrupt enable */
+	txdma_ctrl.bits.td_perr_en = 1;     /* protocol failure interrupt enable */
+	txdma_ctrl.bits.td_eod_en = 0;      /* disable Tx End of Descriptor Interrupt */
+	//txdma_ctrl.bits.td_eod_en = 0;      /* disable Tx End of Descriptor Interrupt */
+#ifdef CONFIG_TXINT_DISABLE
+	txdma_ctrl.bits.td_eof_en = 0;      /* end of frame interrupt disable */
+#else
+	txdma_ctrl.bits.td_eof_en = 1;      /* end of frame interrupt enable */
+#endif
+	txdma_ctrl_mask.bits32 = 0;
+	txdma_ctrl_mask.bits.td_start = 1;
+	txdma_ctrl_mask.bits.td_continue = 1;
+	txdma_ctrl_mask.bits.td_chain_mode = 1;
+	txdma_ctrl_mask.bits.td_prot = 15;
+	txdma_ctrl_mask.bits.td_burst_size = 3;
+	txdma_ctrl_mask.bits.td_bus = 3;
+	txdma_ctrl_mask.bits.td_endian = 1;
+	txdma_ctrl_mask.bits.td_finish_en = 1;
+	txdma_ctrl_mask.bits.td_fail_en = 1;
+	txdma_ctrl_mask.bits.td_perr_en = 1;
+	txdma_ctrl_mask.bits.td_eod_en = 1;
+	//txdma_ctrl_mask.bits.td_eod_en = 1;
+	txdma_ctrl_mask.bits.td_eof_en = 1;
+	gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,txdma_ctrl.bits32,txdma_ctrl_mask.bits32);
+
+    /* program rx dma control register */
+	rxdma_ctrl.bits32 = 0;
+	rxdma_ctrl.bits.rd_start = 1;    /* start RX DMA transfer */
+	rxdma_ctrl.bits.rd_continue = 1; /* continue RX DMA operation */
+	rxdma_ctrl.bits.rd_chain_mode = 1;  /* chain mode */
+	rxdma_ctrl.bits.rd_prot = 0;
+	rxdma_ctrl.bits.rd_burst_size = 2;  /* DMA burst size for every AHB request */
+	rxdma_ctrl.bits.rd_bus = 2;         /* peripheral bus width */
+	rxdma_ctrl.bits.rd_endian = 0;      /* little endian */
+	rxdma_ctrl.bits.rd_finish_en = 1;   /* DMA finish event interrupt enable */
+	rxdma_ctrl.bits.rd_fail_en = 1;     /* DMA fail interrupt enable */
+	rxdma_ctrl.bits.rd_perr_en = 1;     /* protocol failure interrupt enable */
+	rxdma_ctrl.bits.rd_eod_en = 0;      /* disable Rx End of Descriptor Interrupt */
+	rxdma_ctrl.bits.rd_eof_en = 1;      /* end of frame interrupt enable */
+	rxdma_ctrl_mask.bits32 = 0;
+	rxdma_ctrl_mask.bits.rd_start = 1;
+	rxdma_ctrl_mask.bits.rd_continue = 1;
+	rxdma_ctrl_mask.bits.rd_chain_mode = 1;
+	rxdma_ctrl_mask.bits.rd_prot = 15;
+	rxdma_ctrl_mask.bits.rd_burst_size = 3;
+	rxdma_ctrl_mask.bits.rd_bus = 3;
+	rxdma_ctrl_mask.bits.rd_endian = 1;
+	rxdma_ctrl_mask.bits.rd_finish_en = 1;
+	rxdma_ctrl_mask.bits.rd_fail_en = 1;
+	rxdma_ctrl_mask.bits.rd_perr_en = 1;
+	rxdma_ctrl_mask.bits.rd_eod_en = 1;
+	rxdma_ctrl_mask.bits.rd_eof_en = 1;
+	gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
+    return;
+}
+
+static void gmac_hw_stop(struct net_device *dev)
+{
+    GMAC_TXDMA_CTRL_T       txdma_ctrl,txdma_ctrl_mask;
+    GMAC_RXDMA_CTRL_T       rxdma_ctrl,rxdma_ctrl_mask;
+	int 					dev_index;
+
+    dev_index = gmac_select_interface(dev);
+
+    /* program tx dma control register */
+	txdma_ctrl.bits32 = 0;
+	txdma_ctrl.bits.td_start = 0;
+	txdma_ctrl.bits.td_continue = 0;
+	txdma_ctrl_mask.bits32 = 0;
+	txdma_ctrl_mask.bits.td_start = 1;
+	txdma_ctrl_mask.bits.td_continue = 1;
+	gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,txdma_ctrl.bits32,txdma_ctrl_mask.bits32);
+    /* program rx dma control register */
+	rxdma_ctrl.bits32 = 0;
+	rxdma_ctrl.bits.rd_start = 0;    /* stop RX DMA transfer */
+	rxdma_ctrl.bits.rd_continue = 0; /* stop continue RX DMA operation */
+	rxdma_ctrl_mask.bits32 = 0;
+	rxdma_ctrl_mask.bits.rd_start = 1;
+	rxdma_ctrl_mask.bits.rd_continue = 1;
+	gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RXDMA_CTRL,rxdma_ctrl.bits32,rxdma_ctrl_mask.bits32);
+}
+
+static int gmac_init_desc_buf(struct net_device *dev)
+{
+	struct gmac_private *tp = dev->priv;
+	struct sk_buff 		*skb;
+	dma_addr_t          tx_first_desc_dma=0;
+	dma_addr_t          rx_first_desc_dma=0;
+	dma_addr_t          rx_first_buf_dma=0;
+	unsigned int        i,index;
+
+    printk("Descriptor buffer init......\n");
+
+    /* get device index number */
+    index = gmac_get_dev_index(dev);
+#ifdef CONFIG_SL2312_MPAGE
+	for (i=0; i<TX_DESC_NUM; i++) {
+		tx_skb[index][i].freeable = 0;
+		tx_skb[index][i].skb = 0;
+		tx_skb[index][i].desc_in_use = 0;
+		tx_skb[index][i].end_seq = 0;
+	}
+#else
+    for (i=0;i<TX_DESC_NUM;i++)
+    {
+        tx_skb[index][i] = NULL;
+    }
+#endif
+    for (i=0;i<RX_DESC_NUM;i++)
+    {
+        rx_skb[index][i] = NULL;
+    }
+
+	/* allocates TX/RX descriptors */
+	tp->tx_desc = DMA_MALLOC(TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(dma_addr_t *)&tp->tx_desc_dma);
+    tx_desc_virtual_base[index] = (unsigned int)tp->tx_desc - (unsigned int)tp->tx_desc_dma;
+    memset(tp->tx_desc,0x00,TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T));
+	tp->rx_desc = DMA_MALLOC(RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(dma_addr_t *)&tp->rx_desc_dma);
+    rx_desc_virtual_base[index] = (unsigned int)tp->rx_desc - (unsigned int)tp->rx_desc_dma;
+    memset(tp->rx_desc,0x00,RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T));
+    tx_desc_start_adr[index] = (unsigned int)tp->tx_desc;   /* for tx skb index calculation */
+    rx_desc_start_adr[index] = (unsigned int)tp->rx_desc;   /* for rx skb index calculation */
+    printk("tx_desc = %08x\n",(unsigned int)tp->tx_desc);
+    printk("rx_desc = %08x\n",(unsigned int)tp->rx_desc);
+	printk("tx_desc_dma = %08x\n",tp->tx_desc_dma);
+	printk("rx_desc_dma = %08x\n",tp->rx_desc_dma);
+
+	if (tp->tx_desc==0x00 || tp->rx_desc==0x00)
+	{
+		free_irq(dev->irq, dev);
+
+		if (tp->tx_desc)
+			DMA_MFREE(tp->tx_desc, TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),tp->tx_desc_dma);
+		if (tp->rx_desc)
+			DMA_MFREE(tp->rx_desc, RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),tp->rx_desc_dma);
+		return -ENOMEM;
+	}
+
+	/* TX descriptors initial */
+	tp->tx_cur_desc = tp->tx_desc;  /* virtual address */
+	tp->tx_finished_desc = tp->tx_desc; /* virtual address */
+	tx_first_desc_dma = tp->tx_desc_dma; /* physical address */
+	for (i = 1; i < TX_DESC_NUM; i++)
+	{
+		tp->tx_desc->frame_ctrl.bits_tx_out.own = CPU; /* set owner to CPU */
+		tp->tx_desc->frame_ctrl.bits_tx_out.buffer_size = TX_BUF_SIZE;  /* set tx buffer size for descriptor */
+		tp->tx_desc_dma = tp->tx_desc_dma + sizeof(GMAC_DESCRIPTOR_T); /* next tx descriptor DMA address */
+		tp->tx_desc->next_desc.next_descriptor = tp->tx_desc_dma | 0x0000000b;
+		tp->tx_desc = &tp->tx_desc[1] ; /* next tx descriptor virtual address */
+	}
+	/* the last descriptor will point back to first descriptor */
+	tp->tx_desc->frame_ctrl.bits_tx_out.own = CPU;
+	tp->tx_desc->frame_ctrl.bits_tx_out.buffer_size = TX_BUF_SIZE;
+	tp->tx_desc->next_desc.next_descriptor = tx_first_desc_dma | 0x0000000b;
+	tp->tx_desc = tp->tx_cur_desc;
+	tp->tx_desc_dma = tx_first_desc_dma;
+
+	/* RX descriptors initial */
+	tp->rx_cur_desc = tp->rx_desc;  /* virtual address */
+	rx_first_desc_dma = tp->rx_desc_dma; /* physical address */
+	for (i = 1; i < RX_DESC_NUM; i++)
+	{
+        if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL)  /* allocate socket buffer */
+        {
+            printk("%s::skb buffer allocation fail !\n",__func__);
+        }
+        rx_skb[index][i-1] = skb;
+        tp->rx_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02;    /* insert two bytes in the beginning of rx data */
+		tp->rx_desc->frame_ctrl.bits_rx.own = DMA;  /* set owner bit to DMA */
+		tp->rx_desc->frame_ctrl.bits_rx.buffer_size = RX_BUF_SIZE; /* set rx buffer size for descriptor */
+		tp->rx_bufs_dma = tp->rx_bufs_dma + RX_BUF_SIZE;    /* point to next buffer address */
+		tp->rx_desc_dma = tp->rx_desc_dma + sizeof(GMAC_DESCRIPTOR_T); /* next rx descriptor DMA address */
+		tp->rx_desc->next_desc.next_descriptor = tp->rx_desc_dma | 0x0000000b;
+		tp->rx_desc = &tp->rx_desc[1]; /* next rx descriptor virtual address */
+	}
+	/* the last descriptor will point back to first descriptor */
+    if ( (skb = dev_alloc_skb(RX_BUF_SIZE))==NULL)  /* allocate socket buffer */
+    {
+        printk("%s::skb buffer allocation fail !\n",__func__);
+    }
+    rx_skb[index][i-1] = skb;
+    tp->rx_desc->buf_adr = (unsigned int)__pa(skb->data) | 0x02;    /* insert two bytes in the beginning of rx data */
+	tp->rx_desc->frame_ctrl.bits_rx.own = DMA;
+	tp->rx_desc->frame_ctrl.bits_rx.buffer_size = RX_BUF_SIZE;
+	tp->rx_desc->next_desc.next_descriptor = rx_first_desc_dma | 0x0000000b;
+	tp->rx_desc = tp->rx_cur_desc;
+	tp->rx_desc_dma = rx_first_desc_dma;
+	tp->rx_bufs_dma = rx_first_buf_dma;
+
+	for (i=0; i<GMAC_PHY_IF; i++) {
+		tp->tx_desc_hdr[i] = 0;
+		tp->tx_desc_tail[i] = 0;
+	}
+	return (0);
+}
+
+static int gmac_clear_counter (struct net_device *dev)
+{
+	struct gmac_private *tp = dev->priv;
+	unsigned int    dev_index;
+
+    dev_index = gmac_select_interface(dev);
+//	tp = gmac_dev[index]->priv;
+    /* clear counter */
+    gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_DISCARDS);
+    gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_ERRORS);
+    tp->stats.tx_bytes = 0;
+    tp->stats.tx_packets = 0;
+	tp->stats.tx_errors = 0;
+    tp->stats.rx_bytes = 0;
+	tp->stats.rx_packets = 0;
+	tp->stats.rx_errors = 0;
+    tp->stats.rx_dropped = 0;
+	return (0);
+}
+
+static int gmac_open (struct net_device *dev)
+{
+	struct gmac_private     *tp = dev->priv;
+	int    retval;
+
+    gmac_select_interface(dev);
+
+	/* chip reset */
+	gmac_sw_reset(dev);
+
+    /* allocates tx/rx descriptor and buffer memory */
+    gmac_init_desc_buf(dev);
+
+    /* get mac address from FLASH */
+    gmac_get_mac_address();
+
+    /* set PHY register to start autonegition process */
+    gmac_set_phy_status(dev);
+
+	/* GMAC initialization */
+	if (gmac_init_chip(dev))
+	{
+		printk (KERN_ERR "GMAC init fail\n");
+	}
+
+    /* start DMA process */
+	gmac_hw_start(dev);
+
+    /* enable tx/rx register */
+    gmac_enable_tx_rx(dev);
+
+    /* clear statistic counter */
+    gmac_clear_counter(dev);
+
+   	netif_start_queue (dev);
+
+    /* hook ISR */
+	retval = request_irq (dev->irq, gmac_interrupt, SA_INTERRUPT, dev->name, dev);
+	if (retval)
+		return retval;
+
+	if(!FLAG_SWITCH)
+	{
+    	init_waitqueue_head (&tp->thr_wait);
+    	init_completion(&tp->thr_exited);
+
+    	tp->time_to_die = 0;
+    	tp->thr_pid = kernel_thread (gmac_phy_thread, dev, CLONE_FS | CLONE_FILES);
+    	if (tp->thr_pid < 0)
+    	{
+    		printk (KERN_WARNING "%s: unable to start kernel thread\n",dev->name);
+    	}
+    }
+	return (0);
+}
+
+static int gmac_close(struct net_device *dev)
+{
+    struct gmac_private *tp = dev->priv;
+    unsigned int        i,dev_index;
+    unsigned int        ret;
+
+    dev_index = gmac_get_dev_index(dev);
+
+    /* stop tx/rx packet */
+    gmac_disable_tx_rx(dev);
+
+    /* stop the chip's Tx and Rx DMA processes */
+	gmac_hw_stop(dev);
+
+    netif_stop_queue(dev);
+
+    /* disable interrupts by clearing the interrupt mask */
+    synchronize_irq();
+    free_irq(dev->irq,dev);
+
+	DMA_MFREE(tp->tx_desc, TX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(unsigned int)tp->tx_desc_dma);
+	DMA_MFREE(tp->rx_desc, RX_DESC_NUM*sizeof(GMAC_DESCRIPTOR_T),(unsigned int)tp->rx_desc_dma);
+
+#ifdef CONFIG_SL2312_MPAGE
+//	kfree(tx_skb);
+#endif
+
+    for (i=0;i<RX_DESC_NUM;i++)
+    {
+        if (rx_skb[dev_index][i])
+        {
+            dev_kfree_skb(rx_skb[dev_index][i]);
+        }
+    }
+	if(!FLAG_SWITCH)
+	{
+    	if (tp->thr_pid >= 0)
+    	{
+		    tp->time_to_die = 1;
+    		wmb();
+    		ret = kill_proc (tp->thr_pid, SIGTERM, 1);
+    		if (ret)
+    		{
+    			printk (KERN_ERR "%s: unable to signal thread\n", dev->name);
+    			return ret;
+    		}
+//    		wait_for_completion (&tp->thr_exited);
+    	}
+    }
+
+    return (0);
+}
+
+#ifdef CONFIG_SL2312_MPAGE
+int printk_all(int dev_index, struct gmac_private* tp)
+{
+	int i=0;
+    unsigned int tx_current_descriptor = 0;
+    int hw_index;
+    int fi;
+    GMAC_DESCRIPTOR_T* tmp_desc;
+
+	GMAC_DESCRIPTOR_T* cur_desc=tp->tx_cur_desc;
+	fi = ((unsigned int)cur_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+	printk("tmp_desc %x, id %d\n", (int)cur_desc, fi);
+
+	tmp_desc = (GMAC_DESCRIPTOR_T*)((gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC) & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
+	hw_index = ((unsigned int)tmp_desc - tx_desc_start_adr[dev_index])/ sizeof(GMAC_DESCRIPTOR_T);
+	printk("hd_desc %x, ind %d, fin desc %x\n",(int)tmp_desc, hw_index, (int)tp->tx_finished_desc);
+
+	for (i=0; i<TX_DESC_NUM; i++) {
+		printk("**id %4d, hw_index %4d ==> ", fi, hw_index);
+		printk("fc %8x ", tmp_desc->frame_ctrl.bits32);
+		printk("fs %8x ", tmp_desc->flag_status.bits32);
+		printk("fb %8x ", tmp_desc->buf_adr);
+		printk("fd %8x\n",  tmp_desc->next_desc.next_descriptor);
+	  	tmp_desc = (GMAC_DESCRIPTOR_T*)((tmp_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
+		fi = ((unsigned int)tmp_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+	}
+    tx_current_descriptor = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CURR_DESC);
+    printk("%s: tx current descriptor = %x \n",__func__,tx_current_descriptor);
+    printk("%s: interrupt status = %x \n",__func__,int_status);
+    return 0;
+}
+
+int cleanup_desc(int dev_index, struct gmac_private* tp)
+{
+	int i=0;
+	int index = ((unsigned int)tp->tx_cur_desc - tx_desc_start_adr[dev_index])/sizeof(GMAC_DESCRIPTOR_T);
+	GMAC_DESCRIPTOR_T* fill_desc = tp->tx_cur_desc;
+
+	for (i=0; i< TX_DESC_NUM; i++)
+	{
+		fill_desc->frame_ctrl.bits_tx_out.own = CPU;
+		fill_desc->frame_ctrl.bits_tx_out.buffer_size = TX_BUF_SIZE;
+		tx_skb[dev_index][index].desc_in_use = 0;
+		free_tx_buf(dev_index, index);
+		printk("cleanup di %d\n", index);
+		fill_desc = (GMAC_DESCRIPTOR_T*)((fill_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
+		index++;
+		if (index > TX_DESC_NUM)
+			index = 0;
+	}
+	return 1;
+}
+
+size_t get_available_tx_desc(struct net_device* dev, int dev_index)
+{
+	struct gmac_private *tp = dev->priv;
+	unsigned int desc_hdr = tp->tx_desc_hdr[dev_index];
+	unsigned int desc_tail = tp->tx_desc_tail[dev_index];
+	int available_desc_num = (TX_DESC_NUM - desc_hdr + desc_tail) & (TX_DESC_NUM-1);
+	if (!available_desc_num) {
+		if (tx_skb[dev_index][desc_hdr].desc_in_use)
+			return 0;
+		else
+			return TX_DESC_NUM;
+	}
+	return available_desc_num;
+}
+
+int check_free_tx_desc(int dev_index, int n, GMAC_DESCRIPTOR_T* desc)
+{
+	int i,index;
+	GMAC_DESCRIPTOR_T* tmp_desc = desc;
+
+	if (n > TX_DESC_NUM)
+		return 0;
+
+	index = ((unsigned int)tmp_desc - tx_desc_start_adr[dev_index])/sizeof(GMAC_DESCRIPTOR_T);
+	for (i=0; i<n; i++)
+	{
+		if (tx_skb[dev_index][index].desc_in_use)
+		{
+			printk("sw desc %d is in use\n", index);
+			/* cleanup all the descriptors to check if DMA still running */
+			return 0;
+		}
+		index++;
+		if (index == TX_DESC_NUM)
+			index = 0;
+	}
+	return 1;
+}
+
+#define TCPHDRLEN(tcp_hdr)  ((ntohs(*((__u16 *)tcp_hdr + 6)) >> 12) & 0x000F)
+
+inline int fill_in_desc(int dev_index, GMAC_DESCRIPTOR_T *desc, char* data, int len, int total_len, int sof, int freeable, int ownership, struct sk_buff* skb)
+{
+	int index = ((unsigned int)desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+
+	if (desc->frame_ctrl.bits_tx_in.own == CPU)
+	{
+		tx_skb[dev_index][index].freeable = freeable;
+		if ((sof & 0x01) && skb) {
+			tx_skb[dev_index][index].skb = skb;
+		}
+		else
+			tx_skb[dev_index][index].skb = 0;
+
+		if (sof != 2)
+			tx_skb[dev_index][index].desc_in_use = 1;
+		else
+			tx_skb[dev_index][index].desc_in_use = 0;
+
+		consistent_sync(data, len, PCI_DMA_TODEVICE);
+		desc->buf_adr = (unsigned int)__pa(data);
+		desc->frame_ctrl.bits_tx_out.buffer_size = len;
+		desc->flag_status.bits_tx_flag.frame_count = total_len;
+		desc->next_desc.bits.eofie = 1;
+		desc->next_desc.bits.sof_eof = sof;
+		desc->frame_ctrl.bits_tx_out.vlan_enable = 0;
+		desc->frame_ctrl.bits_tx_out.ip_csum_en = 1;     /* TSS IPv4 IP header checksum enable */
+		desc->frame_ctrl.bits_tx_out.ipv6_tx_en = 1;    /* TSS IPv6 tx enable */
+		desc->frame_ctrl.bits_tx_out.tcp_csum_en = 1;    /* TSS TCP checksum enable */
+		desc->frame_ctrl.bits_tx_out.udp_csum_en = 1;    /* TSS UDP checksum enable */
+        wmb();
+		desc->frame_ctrl.bits_tx_out.own = ownership;
+//		consistent_sync(desc, sizeof(GMAC_DESCRIPTOR_T), PCI_DMA_TODEVICE);
+	}
+	return 0;
+}
+#endif
+
+static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	struct gmac_private     *tp = dev->priv;
+	GMAC_TXDMA_CTRL_T		tx_ctrl,tx_ctrl_mask;
+	GMAC_TXDMA_FIRST_DESC_T	txdma_busy;
+	unsigned int            len = skb->len;
+	unsigned int            dev_index;
+	static unsigned int     pcount = 0;
+#ifdef CONFIG_SL2312_MPAGE
+    GMAC_DESCRIPTOR_T *fill_desc;
+	int snd_pages = skb_shinfo(skb)->nr_frags;  /* get number of descriptor */
+	int desc_needed = 1; // for jumbo packet, one descriptor is enough.
+	int header_len = skb->len;
+    struct iphdr	*ip_hdr;
+    struct tcphdr	*tcp_hdr;
+    int             tcp_hdr_len;
+    int             data_len;
+    int             prv_index;
+    long            seq_num;
+    int             first_desc_index;
+    int             ownership, freeable;
+    int             eof;
+	int             i=0;
+#endif
+#ifdef CONFIG_TXINT_DISABLE
+	int				available_desc_cnt = 0;
+#endif
+
+    dev_index = gmac_select_interface(dev);
+
+#ifdef CONFIG_TXINT_DISABLE
+	available_desc_cnt = get_available_tx_desc(dev, dev_index);
+
+	if (available_desc_cnt < (TX_DESC_NUM >> 2)) {
+		gmac_tx_packet_complete(dev);
+	}
+#endif
+
+#ifdef CONFIG_SL2312_MPAGE
+
+	fill_desc = tp->tx_cur_desc;
+	if(!fill_desc) {
+		printk("cur_desc is NULL!\n");
+		return -1;
+	}
+
+	if (storlink_ctl.recvfile==2)
+	{
+	    printk("snd_pages=%d skb->len=%d\n",snd_pages,skb->len);
+	}
+
+	if (snd_pages)
+		desc_needed += snd_pages;   /* decriptors needed for this large packet */
+
+	if (!check_free_tx_desc(dev_index, desc_needed, fill_desc)) {
+		printk("no available desc!\n");
+        gmac_dump_register(dev);
+		printk_all(dev_index, tp);
+		tp->stats.tx_dropped++;
+		if (pcount++ > 10)
+		{
+		    for (;;);
+		}
+		return -1;
+	}
+
+	first_desc_index = ((unsigned int)fill_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+
+	/* check if the tcp packet is in order*/
+	ip_hdr = (struct iphdr*) &(skb->data[14]);
+	tcp_hdr = (struct tcphdr*) &(skb->data[14+ip_hdr->ihl * 4]);
+	tcp_hdr_len = TCPHDRLEN(tcp_hdr) * 4;
+	data_len = skb->len - 14 - ip_hdr->ihl *4 - tcp_hdr_len;
+
+	prv_index = first_desc_index-1;
+	if (prv_index <0)
+	    prv_index += TX_DESC_NUM;
+	seq_num = ntohl(tcp_hdr->seq);
+
+	if (snd_pages)
+	{
+		// calculate header length
+		// check fragment total length and header len = skb len - frag len
+		// or parse the header.
+		for (i=0; i<snd_pages; i++) {
+			skb_frag_t* frag = &skb_shinfo(skb)->frags[i];
+			header_len -= frag->size;
+		}
+		ownership = CPU;
+		freeable = 0;
+		/* fill header into first descriptor */
+		fill_in_desc(dev_index, fill_desc, skb->data, header_len, len, 2, freeable, ownership, 0);
+		fill_desc = (GMAC_DESCRIPTOR_T*)((fill_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
+		tx_skb[dev_index][first_desc_index].end_seq = seq_num + data_len;
+
+		eof = 0;
+		ownership = DMA;
+		for (i=0; i<snd_pages; i++)
+		{
+			skb_frag_t* frag = &skb_shinfo(skb)->frags[i];
+			int start_pos = frag->page_offset;
+			char* data_buf = page_address(frag->page);
+			int data_size = frag->size;
+			int cur_index;
+
+			if (i == snd_pages-1)
+			{
+				eof=1;
+				freeable = 1;
+			}
+			fill_in_desc(dev_index, fill_desc, data_buf+(start_pos), data_size,
+			             len, eof, freeable, ownership, skb);
+			cur_index = ((unsigned int)fill_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+
+			fill_desc = (GMAC_DESCRIPTOR_T*)((fill_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
+		}
+		/* pass the ownership of the first descriptor to hardware */
+//	    disable_irq(gmac_irq[dev_index]);
+		tx_skb[dev_index][first_desc_index].desc_in_use = 1;
+        wmb();
+		tp->tx_cur_desc->frame_ctrl.bits_tx_out.own = DMA;
+//		consistent_sync(tp->tx_cur_desc, sizeof(GMAC_DESCRIPTOR_T), PCI_DMA_TODEVICE);
+		tp->tx_cur_desc = fill_desc;
+		dev->trans_start = jiffies;
+//	    enable_irq(gmac_irq[dev_index]);
+	}
+	else if ( tp->tx_cur_desc->frame_ctrl.bits_tx_out.own == CPU )
+	{
+//		tx_skb[dev_index][first_desc_index].end_seq = seq_num + data_len;
+//	    disable_irq(gmac_irq[dev_index]);
+		fill_in_desc(dev_index, tp->tx_cur_desc, skb->data, skb->len, skb->len, 3, 1, DMA, skb);
+//	    enable_irq(gmac_irq[dev_index]);
+		//consistent_sync(tp->tx_cur_desc, sizeof(GMAC_DESCRIPTOR_T), PCI_DMA_TODEVICE);
+		tp->tx_cur_desc = (GMAC_DESCRIPTOR_T*)((tp->tx_cur_desc->next_desc.next_descriptor & 0xfffffff0) + tx_desc_virtual_base[dev_index]);
+		dev->trans_start = jiffies;
+	}
+	else
+	{
+		printk("gmac tx drop!\n");
+		tp->stats.tx_dropped++;
+		return -1;
+	}
+
+#ifdef CONFIG_TXINT_DISABLE
+	tp->tx_desc_hdr[dev_index] = (tp->tx_desc_hdr[dev_index] + desc_needed) & (TX_DESC_NUM-1);
+#endif
+
+#else
+    if ((tp->tx_cur_desc->frame_ctrl.bits_tx_out.own == CPU) && (len < TX_BUF_SIZE))
+	{
+        index = ((unsigned int)tp->tx_cur_desc - tx_desc_start_adr[dev_index]) / sizeof(GMAC_DESCRIPTOR_T);
+        tx_skb[dev_index][index] = skb;
+        consistent_sync(skb->data,skb->len,PCI_DMA_TODEVICE);
+        tp->tx_cur_desc->buf_adr = (unsigned int)__pa(skb->data);
+    	tp->tx_cur_desc->flag_status.bits_tx_flag.frame_count = len;    /* total frame byte count */
+    	tp->tx_cur_desc->next_desc.bits.sof_eof = 0x03;                 /*only one descriptor*/
+		tp->tx_cur_desc->frame_ctrl.bits_tx_out.buffer_size = len;      /* descriptor byte count */
+        tp->tx_cur_desc->frame_ctrl.bits_tx_out.vlan_enable = 0;
+        tp->tx_cur_desc->frame_ctrl.bits_tx_out.ip_csum_en = 0;     /* TSS IPv4 IP header checksum enable */
+        tp->tx_cur_desc->frame_ctrl.bits_tx_out.ipv6_tx_en = 0 ;    /* TSS IPv6 tx enable */
+        tp->tx_cur_desc->frame_ctrl.bits_tx_out.tcp_csum_en = 0;    /* TSS TCP checksum enable */
+        tp->tx_cur_desc->frame_ctrl.bits_tx_out.udp_csum_en = 0;    /* TSS UDP checksum enable */
+        wmb();
+    	tp->tx_cur_desc->frame_ctrl.bits_tx_out.own = DMA;	        /* set owner bit */
+    	tp->tx_cur_desc = (GMAC_DESCRIPTOR_T *)((tp->tx_cur_desc->next_desc.next_descriptor & 0xfffffff0)+tx_desc_virtual_base[dev_index]);
+    	dev->trans_start = jiffies;
+	}
+	else
+	{
+	 	/* no free tx descriptor */
+		dev_kfree_skb(skb);
+	    netif_stop_queue(dev);
+		tp->stats.tx_dropped++;
+		return (-1);
+	}
+#endif
+ 	/* if TX DMA process is stoped , restart it */
+	txdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_FIRST_DESC);
+	if (txdma_busy.bits.td_busy == 0)
+	{
+		/* restart DMA process */
+		tx_ctrl.bits32 = 0;
+		tx_ctrl.bits.td_start = 1;
+		tx_ctrl.bits.td_continue = 1;
+		tx_ctrl_mask.bits32 = 0;
+		tx_ctrl_mask.bits.td_start = 1;
+		tx_ctrl_mask.bits.td_continue = 1;
+		gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,tx_ctrl.bits32,tx_ctrl_mask.bits32);
+	}
+	return (0);
+}
+
+
+struct net_device_stats * gmac_get_stats(struct net_device *dev)
+{
+    struct gmac_private *tp = dev->priv;
+    unsigned long       flags;
+    unsigned int        pkt_drop;
+    unsigned int        pkt_error;
+    unsigned int        dev_index;
+
+    dev_index = gmac_select_interface(dev);
+
+//	if (storlink_ctl.recvfile==3)
+//	{
+//        printk("GMAC_GLOBAL_BASE_ADDR=%x\n", readl(GMAC_GLOBAL_BASE_ADDR+0x30));
+//        gmac_dump_register(dev);
+//        printk_all(0, dev);
+//    }
+
+    if (netif_running(dev))
+    {
+        /* read H/W counter */
+        spin_lock_irqsave(&tp->lock,flags);
+        pkt_drop = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_DISCARDS);
+        pkt_error = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_IN_ERRORS);
+        tp->stats.rx_dropped = tp->stats.rx_dropped + pkt_drop;
+        tp->stats.rx_errors = tp->stats.rx_errors + pkt_error;
+        spin_unlock_irqrestore(&tp->lock,flags);
+    }
+    return &tp->stats;
+}
+
+static unsigned const ethernet_polynomial = 0x04c11db7U;
+static inline u32 ether_crc (int length, unsigned char *data)
+{
+	int crc = -1;
+	unsigned int i;
+	unsigned int crc_val=0;
+
+	while (--length >= 0) {
+		unsigned char current_octet = *data++;
+		int bit;
+		for (bit = 0; bit < 8; bit++, current_octet >>= 1)
+			crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ?
+			     ethernet_polynomial : 0);
+	}
+	crc = ~crc;
+	for (i=0;i<32;i++)
+	{
+		crc_val = crc_val + (((crc << i) & 0x80000000) >> (31-i));
+	}
+	return crc_val;
+}
+
+static void gmac_set_rx_mode(struct net_device *dev)
+{
+    GMAC_RX_FLTR_T      filter;
+	unsigned int        mc_filter[2];	/* Multicast hash filter */
+    int                 bit_nr;
+	unsigned int        i, dev_index;
+
+    dev_index = gmac_select_interface(dev);
+
+//    printk("%s : dev->flags = %x \n",__func__,dev->flags);
+//    dev->flags |= IFF_ALLMULTI;  /* temp */
+    filter.bits32 = 0;
+    filter.bits.error = 0;
+	if (dev->flags & IFF_PROMISC)
+	{
+	    filter.bits.error = 1;
+        filter.bits.promiscuous = 1;
+        filter.bits.broadcast = 1;
+        filter.bits.multicast = 1;
+        filter.bits.unicast = 1;
+		mc_filter[1] = mc_filter[0] = 0xffffffff;
+	}
+	else if (dev->flags & IFF_ALLMULTI)
+	{
+        filter.bits.promiscuous = 1;
+        filter.bits.broadcast = 1;
+        filter.bits.multicast = 1;
+        filter.bits.unicast = 1;
+		mc_filter[1] = mc_filter[0] = 0xffffffff;
+	}
+	else
+	{
+		struct dev_mc_list *mclist;
+
+        filter.bits.promiscuous = 1;
+        filter.bits.broadcast = 1;
+        filter.bits.multicast = 1;
+        filter.bits.unicast = 1;
+		mc_filter[1] = mc_filter[0] = 0;
+		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;i++, mclist = mclist->next)
+		{
+            bit_nr = ether_crc(ETH_ALEN,mclist->dmi_addr) & 0x0000003f;
+            if (bit_nr < 32)
+            {
+                mc_filter[0] = mc_filter[0] | (1<<bit_nr);
+            }
+            else
+            {
+                mc_filter[1] = mc_filter[1] | (1<<(bit_nr-32));
+            }
+		}
+	}
+    filter.bits32 = 0x1f;
+    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_RX_FLTR,filter.bits32,0xffffffff);
+
+    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_MCAST_FIL0,mc_filter[0],0xffffffff);
+    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_MCAST_FIL1,mc_filter[1],0xffffffff);
+    return;
+}
+
+static int gmac_set_mac_address(struct net_device *dev, void *addr)
+{
+	struct sockaddr *sock;
+	unsigned int    reg_val;
+	unsigned int    dev_index;
+    unsigned int    i;
+
+    dev_index = gmac_select_interface(dev);
+
+	sock = (struct sockaddr *) addr;
+	for (i = 0; i < 6; i++)
+	{
+		dev->dev_addr[i] = sock->sa_data[i];
+	}
+
+    reg_val = dev->dev_addr[0] + (dev->dev_addr[1]<<8) + (dev->dev_addr[2]<<16) + (dev->dev_addr[3]<<24);
+    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_STA_ADD0,reg_val,0xffffffff);
+    reg_val = dev->dev_addr[4] + (dev->dev_addr[5]<<8) ;
+    gmac_write_reg(gmac_base_addr[dev_index] + GMAC_STA_ADD1,reg_val,0x0000ffff);
+    memcpy(&eth0_mac[0],&dev->dev_addr[0],6);
+    printk("Storlink %s address = ",dev->name);
+    printk("%02x",dev->dev_addr[0]);
+    printk("%02x",dev->dev_addr[1]);
+    printk("%02x",dev->dev_addr[2]);
+    printk("%02x",dev->dev_addr[3]);
+    printk("%02x",dev->dev_addr[4]);
+    printk("%02x\n",dev->dev_addr[5]);
+
+    return (0);
+}
+
+static void gmac_tx_timeout(struct net_device *dev)
+{
+	GMAC_TXDMA_CTRL_T	        tx_ctrl,tx_ctrl_mask;
+    GMAC_TXDMA_FIRST_DESC_T     txdma_busy;
+    int							dev_index;
+
+    dev_index = gmac_select_interface(dev);
+
+    /* if TX DMA process is stoped , restart it */
+	txdma_busy.bits32 = gmac_read_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_FIRST_DESC);
+	if (txdma_busy.bits.td_busy == 0)
+	{
+		/* restart DMA process */
+		tx_ctrl.bits32 = 0;
+		tx_ctrl.bits.td_start = 1;
+		tx_ctrl.bits.td_continue = 1;
+		tx_ctrl_mask.bits32 = 0;
+		tx_ctrl_mask.bits.td_start = 1;
+		tx_ctrl_mask.bits.td_continue = 1;
+		gmac_write_reg(gmac_base_addr[dev_index] + GMAC_TXDMA_CTRL,tx_ctrl.bits32,tx_ctrl_mask.bits32);
+	}
+	netif_wake_queue(dev);
+    return;
+}
+
+static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+	int rc = 0;
+    unsigned char *hwa = rq->ifr_ifru.ifru_hwaddr.sa_data;
+
+	if (!netif_running(dev))
+	{
+	    printk("Before changing the H/W address,please down the device.\n");
+		return -EINVAL;
+    }
+
+	switch (cmd) {
+	case SIOCETHTOOL:
+        break;
+
+    case SIOCSIFHWADDR:
+        gmac_set_mac_address(dev,hwa);
+        break;
+
+	case SIOCGMIIPHY:	/* Get the address of the PHY in use. */
+	case SIOCDEVPRIVATE:	/* binary compat, remove in 2.5 */
+        break;
+
+	case SIOCGMIIREG:	/* Read the specified MII register. */
+	case SIOCDEVPRIVATE+1:
+		break;
+
+	case SIOCSMIIREG:	/* Write the specified MII register */
+	case SIOCDEVPRIVATE+2:
+		break;
+
+	default:
+		rc = -EOPNOTSUPP;
+		break;
+	}
+
+	return rc;
+}
+
+static void gmac_cleanup_module(void)
+{
+    int i;
+
+    for (i=0;i<GMAC_PHY_IF;i++)
+    {
+        unregister_netdev(gmac_dev[i]);
+    }
+	return ;
+}
+
+static int __init gmac_init_module(void)
+{
+	struct gmac_private *tp;
+	struct net_device *dev[GMAC_PHY_IF];
+	unsigned int i;
+
+#ifdef MODULE
+	printk (KERN_INFO RTL8139_DRIVER_NAME "\n");
+#endif
+//	init_waitqueue_entry(&wait, current);
+
+	printk("GMAC Init......\n");
+	for(i = 0; i<GMAC_PHY_IF; i++)
+	{
+		dev[i] = alloc_etherdev(sizeof(struct gmac_private));
+		if (dev[i] == NULL)
+		{
+			printk (KERN_ERR "Can't allocate ethernet device #%d .\n",i);
+			return -ENOMEM;
+		}
+        gmac_dev[i] = dev[i];
+
+		SET_MODULE_OWNER(dev[i]);
+
+		tp = dev[i]->priv;
+
+		dev[i]->base_addr = gmac_base_addr[i];
+		dev[i]->irq = gmac_irq[i];
+	    dev[i]->open = gmac_open;
+	    dev[i]->stop = gmac_close;
+		dev[i]->hard_start_xmit = gmac_start_xmit;
+		dev[i]->get_stats = gmac_get_stats;
+		dev[i]->set_multicast_list = gmac_set_rx_mode;
+		dev[i]->set_mac_address = gmac_set_mac_address;
+		dev[i]->do_ioctl = gmac_netdev_ioctl;
+		dev[i]->tx_timeout = gmac_tx_timeout;
+		dev[i]->watchdog_timeo = TX_TIMEOUT;
+		dev[i]->features |= NETIF_F_SG|NETIF_F_HW_CSUM|NETIF_F_TSO;
+#ifdef CONFIG_SL_NAPI
+        printk("NAPI driver is enabled.\n");
+        if (i==0)
+        {
+	        dev[i]->poll = gmac_rx_poll_ga;
+	        dev[i]->weight = 64;
+	    }
+	    else
+	    {
+	        dev[i]->poll = gmac_rx_poll_gb;
+	        dev[i]->weight = 64;
+	    }
+#endif
+
+		if (register_netdev(dev[i]))
+		{
+			gmac_cleanup_module();
+			return(-1);
+		}
+	}
+
+#ifdef CONFIG_SL3516_ASIC
+{
+    unsigned int    val;
+
+    /* set GMAC global register */
+    val = readl(GMAC_GLOBAL_BASE_ADDR+0x10);
+    val = val | 0x005a0000;
+    writel(val,GMAC_GLOBAL_BASE_ADDR+0x10);
+    writel(0x07f007f0,GMAC_GLOBAL_BASE_ADDR+0x1c);
+    writel(0x77770000,GMAC_GLOBAL_BASE_ADDR+0x20);
+    writel(0x77770000,GMAC_GLOBAL_BASE_ADDR+0x24);
+	val = readl(GMAC_GLOBAL_BASE_ADDR+0x04);
+	if((val&(1<<20))==0){           // GMAC1 enable
+ 		val = readl(GMAC_GLOBAL_BASE_ADDR+0x30);
+		val = (val & 0xe7ffffff) | 0x08000000;
+		writel(val,GMAC_GLOBAL_BASE_ADDR+0x30);
+	}
+
+}
+#endif
+
+//	printk("%s: dev0=%x  dev1=%x \n",__func__,dev[0],dev[1]);
+//	FLAG_SWITCH = 0 ;
+//	FLAG_SWITCH = SPI_get_identifier();
+//	if(FLAG_SWITCH)
+//	{
+//		printk("Configure ADM699X...\n");
+//		SPI_default();	//Add by jason for ADM699X configuration
+//	}
+	return (0);
+}
+
+
+module_init(gmac_init_module);
+module_exit(gmac_cleanup_module);
+
+static int gmac_phy_thread (void *data)
+{
+	struct net_device   *dev = data;
+	struct gmac_private *tp = dev->priv;
+	unsigned long       timeout;
+
+    daemonize("%s", dev->name);
+	allow_signal(SIGTERM);
+//	reparent_to_init();
+//	spin_lock_irq(&current->sigmask_lock);
+//	sigemptyset(&current->blocked);
+//	recalc_sigpending(current);
+//	spin_unlock_irq(&current->sigmask_lock);
+//	strncpy (current->comm, dev->name, sizeof(current->comm) - 1);
+//	current->comm[sizeof(current->comm) - 1] = '\0';
+
+	while (1)
+	{
+	    timeout = next_tick;
+		do
+		{
+			timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout);
+		} while (!signal_pending (current) && (timeout > 0));
+
+		if (signal_pending (current))
+		{
+//			spin_lock_irq(&current->sigmask_lock);
+			flush_signals(current);
+//			spin_unlock_irq(&current->sigmask_lock);
+		}
+
+		if (tp->time_to_die)
+			break;
+
+//        printk("%s : Polling PHY Status...%x\n",__func__,dev);
+		rtnl_lock ();
+        gmac_get_phy_status(dev);
+		rtnl_unlock ();
+	}
+	complete_and_exit (&tp->thr_exited, 0);
+}
+
+static void gmac_set_phy_status(struct net_device *dev)
+{
+    GMAC_STATUS_T   status;
+    unsigned int    reg_val;
+    unsigned int    i = 0;
+    unsigned int    index;
+
+    if (FLAG_SWITCH==1)
+    {
+        return; /* GMAC connects to a switch chip, not PHY */
+    }
+
+    index = gmac_get_dev_index(dev);
+
+    if (index == 0)
+    {
+//    	mii_write(phy_addr[index],0x04,0x0461); /* advertisement 10M full duplex, pause capable on */
+//    	mii_write(phy_addr[index],0x04,0x0421); /* advertisement 10M half duplex, pause capable on */
+    	mii_write(phy_addr[index],0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
+//    	mii_write(phy_addr[index],0x04,0x04a1); /* advertisement 100M half duplex, pause capable on */
+#ifdef CONFIG_SL3516_ASIC
+    	mii_write(phy_addr[index],0x09,0x0300); /* advertisement 1000M full duplex, pause capable on */
+//    	mii_write(phy_addr[index],0x09,0x0000); /* advertisement 1000M full duplex, pause capable on */
+#endif
+    }
+    else
+    {
+//    	mii_write(phy_addr[index],0x04,0x0461); /* advertisement 10M full duplex, pause capable on */
+//    	mii_write(phy_addr[index],0x04,0x0421); /* advertisement 10M half duplex, pause capable on */
+    	mii_write(phy_addr[index],0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
+//    	mii_write(phy_addr[index],0x04,0x04a1); /* advertisement 100M half duplex, pause capable on */
+#ifdef CONFIG_SL3516_ASIC
+//    	mii_write(phy_addr[index],0x09,0x0000); /* advertisement no 1000M */
+    	mii_write(phy_addr[index],0x09,0x0300); /* advertisement 1000M full duplex, pause capable on */
+#endif
+	}
+
+    mii_write(phy_addr[index],0x00,0x1200); /* Enable and Restart Auto-Negotiation */
+    mii_write(phy_addr[index],0x18,0x0041); /* Enable Active led */
+    while (((reg_val=mii_read(phy_addr[index],0x01)) & 0x00000004)!=0x04)
+    {
+        i++;
+        if (i > 30)
+        {
+            break;
+        }
+	msleep(100);
+    }
+    if (i>30)
+    {
+        pre_phy_status[index] = LINK_DOWN;
+		clear_bit(__LINK_STATE_START, &dev->state);
+        netif_stop_queue(dev);
+        storlink_ctl.link = 0;
+        printk("Link Down (%04x) ",reg_val);
+    }
+    else
+    {
+        pre_phy_status[index] = LINK_UP;
+		set_bit(__LINK_STATE_START, &dev->state);
+        netif_wake_queue(dev);
+        storlink_ctl.link = 1;
+        printk("Link Up (%04x) ",reg_val);
+    }
+
+    status.bits32 = 0;
+    reg_val = mii_read(phy_addr[index],10);
+    printk("reg_val0 = %x \n",reg_val);
+    if ((reg_val & 0x0800) == 0x0800)
+    {
+        status.bits.duplex = 1;
+        status.bits.speed = 2;
+        printk(" 1000M/Full \n");
+    }
+    else if ((reg_val & 0x0400) == 0x0400)
+    {
+        status.bits.duplex = 0;
+        status.bits.speed = 2;
+        printk(" 1000M/Half \n");
+    }
+    else
+    {
+        reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5;
+        printk("reg_val1 = %x \n",reg_val);
+        if ((reg_val & 0x08)==0x08) /* 100M full duplex */
+        {
+                status.bits.duplex = 1;
+                status.bits.speed = 1;
+                printk(" 100M/Full \n");
+        }
+        else if ((reg_val & 0x04)==0x04) /* 100M half duplex */
+        {
+                status.bits.duplex = 0;
+                status.bits.speed = 1;
+                printk(" 100M/Half \n");
+        }
+        else if ((reg_val & 0x02)==0x02) /* 10M full duplex */
+        {
+                status.bits.duplex = 1;
+                status.bits.speed = 0;
+                printk(" 10M/Full \n");
+        }
+        else if ((reg_val & 0x01)==0x01) /* 10M half duplex */
+        {
+                status.bits.duplex = 0;
+                status.bits.speed = 0;
+                printk(" 100M/Half \n");
+        }
+    }
+
+    reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5;
+    if ((reg_val & 0x20)==0x20)
+    {
+        flow_control_enable[index] = 1;
+        printk("Flow Control Enable. \n");
+    }
+    else
+    {
+        flow_control_enable[index] = 0;
+        printk("Flow Control Disable. \n");
+    }
+    full_duplex = status.bits.duplex;
+    speed = status.bits.speed;
+}
+
+static void gmac_get_phy_status(struct net_device *dev)
+{
+	GMAC_CONFIG0_T	config0,config0_mask;
+    GMAC_STATUS_T   status;
+    unsigned int    reg_val;
+    unsigned int    index;
+
+    index = gmac_select_interface(dev);
+
+    status.bits32 = 0;
+    status.bits.phy_mode = 1;
+
+#ifdef CONFIG_SL3516_ASIC
+    status.bits.mii_rmii = 2;   /* default value for ASIC version */
+//    status.bits.speed = 1;
+#else
+    if (index==0)
+        status.bits.mii_rmii = 0;
+    else
+        status.bits.mii_rmii = 2;
+#endif
+
+    /* read PHY status register */
+    reg_val = mii_read(phy_addr[index],0x01);
+    if ((reg_val & 0x0024) == 0x0024) /* link is established and auto_negotiate process completed */
+    {
+        /* read PHY Auto-Negotiation Link Partner Ability Register */
+        reg_val = mii_read(phy_addr[index],10);
+        if ((reg_val & 0x0800) == 0x0800)
+        {
+            status.bits.mii_rmii = 3;  /* RGMII 1000Mbps mode */
+            status.bits.duplex = 1;
+            status.bits.speed = 2;
+        }
+        else if ((reg_val & 0x0400) == 0x0400)
+        {
+            status.bits.mii_rmii = 3;  /* RGMII 1000Mbps mode */
+            status.bits.duplex = 0;
+            status.bits.speed = 2;
+        }
+        else
+        {
+            reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5;
+            if ((reg_val & 0x08)==0x08) /* 100M full duplex */
+            {
+                    status.bits.mii_rmii = 2;  /* RGMII 10/100Mbps mode */
+                    status.bits.duplex = 1;
+                    status.bits.speed = 1;
+            }
+            else if ((reg_val & 0x04)==0x04) /* 100M half duplex */
+            {
+                    status.bits.mii_rmii = 2;  /* RGMII 10/100Mbps mode */
+                    status.bits.duplex = 0;
+                    status.bits.speed = 1;
+            }
+            else if ((reg_val & 0x02)==0x02) /* 10M full duplex */
+            {
+                    status.bits.mii_rmii = 2;  /* RGMII 10/100Mbps mode */
+                    status.bits.duplex = 1;
+                    status.bits.speed = 0;
+            }
+            else if ((reg_val & 0x01)==0x01) /* 10M half duplex */
+            {
+                    status.bits.mii_rmii = 2;  /* RGMII 10/100Mbps mode */
+                    status.bits.duplex = 0;
+                    status.bits.speed = 0;
+            }
+        }
+        status.bits.link = LINK_UP; /* link up */
+        netif_wake_queue(dev);
+
+        reg_val = (mii_read(phy_addr[index],0x05) & 0x05E0) >> 5;
+        if ((reg_val & 0x20)==0x20)
+        {
+            if (flow_control_enable[index] == 0)
+            {
+                config0.bits32 = 0;
+                config0_mask.bits32 = 0;
+                config0.bits.tx_fc_en = 1; /* enable tx flow control */
+                config0.bits.rx_fc_en = 1; /* enable rx flow control */
+                config0_mask.bits.tx_fc_en = 1;
+                config0_mask.bits.rx_fc_en = 1;
+                gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
+//                printk("eth%d Flow Control Enable. \n",index);
+            }
+            flow_control_enable[index] = 1;
+        }
+        else
+        {
+            if (flow_control_enable[index] == 1)
+            {
+                config0.bits32 = 0;
+                config0_mask.bits32 = 0;
+                config0.bits.tx_fc_en = 0; /* disable tx flow control */
+                config0.bits.rx_fc_en = 0; /* disable rx flow control */
+                config0_mask.bits.tx_fc_en = 1;
+                config0_mask.bits.rx_fc_en = 1;
+                gmac_write_reg(gmac_base_addr[index] + GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
+//                printk("eth%d Flow Control Disable. \n",index);
+            }
+            flow_control_enable[index] = 0;
+        }
+
+        if (pre_phy_status[index] == LINK_DOWN)
+        {
+            gmac_enable_tx_rx(dev);
+            pre_phy_status[index] = LINK_UP;
+			set_bit(__LINK_STATE_START, &dev->state);
+			storlink_ctl.link = 1;
+//			printk("eth%d Link Up ...\n",index);
+        }
+    }
+    else
+    {
+        status.bits.link = LINK_DOWN; /* link down */
+        netif_stop_queue(dev);
+        flow_control_enable[index] = 0;
+        storlink_ctl.link = 0;
+        if (pre_phy_status[index] == LINK_UP)
+        {
+            gmac_disable_tx_rx(dev);
+            pre_phy_status[index] = LINK_DOWN;
+			clear_bit(__LINK_STATE_START, &dev->state);
+//			printk("eth%d Link Down ...\n",index);
+    	}
+
+    }
+
+    reg_val = gmac_read_reg(gmac_base_addr[index] + GMAC_STATUS);
+    if (reg_val != status.bits32)
+    {
+        gmac_write_reg(gmac_base_addr[index] + GMAC_STATUS,status.bits32,0x0000007f);
+    }
+}
+
+/***************************************/
+/* define GPIO module base address     */
+/***************************************/
+#define GPIO_BASE_ADDR  (IO_ADDRESS(SL2312_GPIO_BASE))
+
+/* define GPIO pin for MDC/MDIO */
+
+// for gemini ASIC
+#ifdef CONFIG_SL3516_ASIC
+#define H_MDC_PIN           22
+#define H_MDIO_PIN          21
+#define G_MDC_PIN           22
+#define G_MDIO_PIN          21
+#else
+#define H_MDC_PIN           3
+#define H_MDIO_PIN          2
+#define G_MDC_PIN           0
+#define G_MDIO_PIN          1
+#endif
+
+//#define GPIO_MDC             0x80000000
+//#define GPIO_MDIO            0x00400000
+
+static unsigned int GPIO_MDC = 0;
+static unsigned int GPIO_MDIO = 0;
+static unsigned int GPIO_MDC_PIN = 0;
+static unsigned int GPIO_MDIO_PIN = 0;
+
+// For PHY test definition!!
+#define LPC_EECK		0x02
+#define LPC_EDIO		0x04
+#define LPC_GPIO_SET		3
+#define LPC_BASE_ADDR		IO_ADDRESS(IT8712_IO_BASE)
+#define inb_gpio(x)		inb(LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
+#define outb_gpio(x, y)		outb(y, LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
+
+enum GPIO_REG
+{
+    GPIO_DATA_OUT   = 0x00,
+    GPIO_DATA_IN    = 0x04,
+    GPIO_PIN_DIR    = 0x08,
+    GPIO_BY_PASS    = 0x0c,
+    GPIO_DATA_SET   = 0x10,
+    GPIO_DATA_CLEAR = 0x14,
+};
+/***********************/
+/*    MDC : GPIO[31]   */
+/*    MDIO: GPIO[22]   */
+/***********************/
+
+/***************************************************
+* All the commands should have the frame structure:
+*<PRE><ST><OP><PHYAD><REGAD><TA><DATA><IDLE>
+****************************************************/
+
+/*****************************************************************
+* Inject a bit to NWay register through CSR9_MDC,MDIO
+*******************************************************************/
+void mii_serial_write(char bit_MDO) // write data into mii PHY
+{
+#if 0 //def CONFIG_SL2312_LPC_IT8712
+	unsigned char iomode,status;
+
+	iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
+	iomode |= (LPC_EECK|LPC_EDIO) ;				// Set EECK,EDIO,EECS output
+	LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
+
+	if(bit_MDO)
+	{
+		status = inb_gpio( LPC_GPIO_SET);
+		status |= LPC_EDIO ;		//EDIO high
+		outb_gpio(LPC_GPIO_SET, status);
+	}
+	else
+	{
+		status = inb_gpio( LPC_GPIO_SET);
+		status &= ~(LPC_EDIO) ;		//EDIO low
+		outb_gpio(LPC_GPIO_SET, status);
+	}
+
+	status |= LPC_EECK ;		//EECK high
+	outb_gpio(LPC_GPIO_SET, status);
+
+	status &= ~(LPC_EECK) ;		//EECK low
+	outb_gpio(LPC_GPIO_SET, status);
+
+#else
+    unsigned int addr;
+    unsigned int value;
+
+    addr = GPIO_BASE_ADDR + GPIO_PIN_DIR;
+    value = readl(addr) | GPIO_MDC | GPIO_MDIO; /* set MDC/MDIO Pin to output */
+    writel(value,addr);
+    if(bit_MDO)
+    {
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
+        writel(GPIO_MDIO,addr); /* set MDIO to 1 */
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
+        writel(GPIO_MDC,addr); /* set MDC to 1 */
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+        writel(GPIO_MDC,addr); /* set MDC to 0 */
+    }
+    else
+    {
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+        writel(GPIO_MDIO,addr); /* set MDIO to 0 */
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
+        writel(GPIO_MDC,addr); /* set MDC to 1 */
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+        writel(GPIO_MDC,addr); /* set MDC to 0 */
+    }
+
+#endif
+}
+
+/**********************************************************************
+* read a bit from NWay register through CSR9_MDC,MDIO
+***********************************************************************/
+unsigned int mii_serial_read(void) // read data from mii PHY
+{
+#if 0 //def CONFIG_SL2312_LPC_IT8712
+  	unsigned char iomode,status;
+	unsigned int value ;
+
+	iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
+	iomode &= ~(LPC_EDIO) ;		// Set EDIO input
+	iomode |= (LPC_EECK) ;		// Set EECK,EECS output
+	LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
+
+	status = inb_gpio( LPC_GPIO_SET);
+	status |= LPC_EECK ;		//EECK high
+	outb_gpio(LPC_GPIO_SET, status);
+
+	status &= ~(LPC_EECK) ;		//EECK low
+	outb_gpio(LPC_GPIO_SET, status);
+
+	value = inb_gpio( LPC_GPIO_SET);
+
+	value = value>>2 ;
+	value &= 0x01;
+
+	return value ;
+
+#else
+    unsigned int *addr;
+    unsigned int value;
+
+    addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_PIN_DIR);
+    value = readl(addr) & ~GPIO_MDIO; //0xffbfffff;   /* set MDC to output and MDIO to input */
+    writel(value,addr);
+
+    addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_SET);
+    writel(GPIO_MDC,addr); /* set MDC to 1 */
+    addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+    writel(GPIO_MDC,addr); /* set MDC to 0 */
+
+    addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_IN);
+    value = readl(addr);
+    value = (value & (1<<GPIO_MDIO_PIN)) >> GPIO_MDIO_PIN;
+    return(value);
+
+#endif
+}
+
+/***************************************
+* preamble + ST
+***************************************/
+void mii_pre_st(void)
+{
+    unsigned char i;
+
+    for(i=0;i<32;i++) // PREAMBLE
+        mii_serial_write(1);
+    mii_serial_write(0); // ST
+    mii_serial_write(1);
+}
+
+
+/******************************************
+* Read MII register
+* phyad -> physical address
+* regad -> register address
+***************************************** */
+unsigned int mii_read(unsigned char phyad,unsigned char regad)
+{
+    unsigned int i,value;
+    unsigned int bit;
+
+    if (phyad == GPHY_ADDR)
+    {
+        GPIO_MDC_PIN = G_MDC_PIN;   /* assigned MDC pin for giga PHY */
+        GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */
+    }
+    else
+    {
+        GPIO_MDC_PIN = H_MDC_PIN;   /* assigned MDC pin for 10/100 PHY */
+        GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */
+    }
+    GPIO_MDC = (1<<GPIO_MDC_PIN);
+    GPIO_MDIO = (1<<GPIO_MDIO_PIN);
+
+    mii_pre_st(); // PRE+ST
+    mii_serial_write(1); // OP
+    mii_serial_write(0);
+
+    for (i=0;i<5;i++) { // PHYAD
+        bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ;
+        mii_serial_write(bit);
+    }
+
+    for (i=0;i<5;i++) { // REGAD
+        bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ;
+        mii_serial_write(bit);
+    }
+
+    mii_serial_read(); // TA_Z
+//    if((bit=mii_serial_read()) !=0 ) // TA_0
+//    {
+//        return(0);
+//    }
+    value=0;
+    for (i=0;i<16;i++) { // READ DATA
+        bit=mii_serial_read();
+        value += (bit<<(15-i)) ;
+    }
+
+    mii_serial_write(0); // dumy clock
+    mii_serial_write(0); // dumy clock
+//printk("%s: phy_addr=%x reg_addr=%x value=%x \n",__func__,phyad,regad,value);
+    return(value);
+}
+
+/******************************************
+* Write MII register
+* phyad -> physical address
+* regad -> register address
+* value -> value to be write
+***************************************** */
+void mii_write(unsigned char phyad,unsigned char regad,unsigned int value)
+{
+    unsigned int i;
+    char bit;
+
+printk("%s: phy_addr=%x reg_addr=%x value=%x \n",__func__,phyad,regad,value);
+    if (phyad == GPHY_ADDR)
+    {
+        GPIO_MDC_PIN = G_MDC_PIN;   /* assigned MDC pin for giga PHY */
+        GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */
+    }
+    else
+    {
+        GPIO_MDC_PIN = H_MDC_PIN;   /* assigned MDC pin for 10/100 PHY */
+        GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */
+    }
+    GPIO_MDC = (1<<GPIO_MDC_PIN);
+    GPIO_MDIO = (1<<GPIO_MDIO_PIN);
+
+    mii_pre_st(); // PRE+ST
+    mii_serial_write(0); // OP
+    mii_serial_write(1);
+    for (i=0;i<5;i++) { // PHYAD
+        bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ;
+        mii_serial_write(bit);
+    }
+
+    for (i=0;i<5;i++) { // REGAD
+        bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ;
+        mii_serial_write(bit);
+    }
+    mii_serial_write(1); // TA_1
+    mii_serial_write(0); // TA_0
+
+    for (i=0;i<16;i++) { // OUT DATA
+        bit= ((value>>(15-i)) & 0x01) ? 1 : 0 ;
+        mii_serial_write(bit);
+    }
+    mii_serial_write(0); // dumy clock
+    mii_serial_write(0); // dumy clock
+}
+
+
+
+
+
+
+
+
+
+/*				NOTES
+ *   The instruction set of the 93C66/56/46/26/06 chips are as follows:
+ *
+ *               Start  OP	    *
+ *     Function   Bit  Code  Address**  Data     Description
+ *     -------------------------------------------------------------------
+ *     READ        1    10   A7 - A0             Reads data stored in memory,
+ *                                               starting at specified address
+ *     EWEN        1    00   11XXXXXX            Write enable must precede
+ *                                               all programming modes
+ *     ERASE       1    11   A7 - A0             Erase register A7A6A5A4A3A2A1A0
+ *     WRITE       1    01   A7 - A0   D15 - D0  Writes register
+ *     ERAL        1    00   10XXXXXX            Erase all registers
+ *     WRAL        1    00   01XXXXXX  D15 - D0  Writes to all registers
+ *     EWDS        1    00   00XXXXXX            Disables all programming
+ *                                               instructions
+ *    *Note: A value of X for address is a don't care condition.
+ *    **Note: There are 8 address bits for the 93C56/66 chips unlike
+ *	      the 93C46/26/06 chips which have 6 address bits.
+ *
+ *   The 93Cx6 has a four wire interface: clock, chip select, data in, and
+ *   data out.While the ADM6996 uning three interface: clock, chip select,and data line.
+ *   The input and output are the same pin. ADM6996 can only recognize the write cmd.
+ *   In order to perform above functions, you need
+ *   1. to enable the chip select .
+ *   2. send one clock of dummy clock
+ *   3. send start bit and opcode
+ *   4. send 8 bits address and 16 bits data
+ *   5. to disable the chip select.
+ *							Jason Lee 2003/07/30
+ */
+
+/***************************************/
+/* define GPIO module base address     */
+/***************************************/
+#define GPIO_EECS	     0x00400000		/*   EECS: GPIO[22]   */
+//#define GPIO_MOSI	     0x20000000         /*   EEDO: GPIO[29]   send to 6996*/
+#define GPIO_MISO	     0x40000000         /*   EEDI: GPIO[30]   receive from 6996*/
+#define GPIO_EECK	     0x80000000         /*   EECK: GPIO[31]   */
+
+#define ADM_EECS		0x01
+#define ADM_EECK		0x02
+#define ADM_EDIO		0x04
+/*************************************************************
+* SPI protocol for ADM6996 control
+**************************************************************/
+#define SPI_OP_LEN	     0x03		// the length of start bit and opcode
+#define SPI_OPWRITE	     0X05		// write
+#define SPI_OPREAD	     0X06		// read
+#define SPI_OPERASE	     0X07		// erase
+#define SPI_OPWTEN	     0X04		// write enable
+#define SPI_OPWTDIS	     0X04		// write disable
+#define SPI_OPERSALL	     0X04		// erase all
+#define SPI_OPWTALL	     0X04		// write all
+
+#define SPI_ADD_LEN	     8			// bits of Address
+#define SPI_DAT_LEN	     16			// bits of Data
+#define ADM6996_PORT_NO	     6			// the port number of ADM6996
+#define ADM6999_PORT_NO	     9			// the port number of ADM6999
+#ifdef CONFIG_ADM_6996
+	#define ADM699X_PORT_NO		ADM6996_PORT_NO
+#endif
+#ifdef CONFIG_ADM_6999
+	#define ADM699X_PORT_NO		ADM6999_PORT_NO
+#endif
+#define LPC_GPIO_SET		3
+#define LPC_BASE_ADDR			IO_ADDRESS(IT8712_IO_BASE)
+
+extern int it8712_exist;
+
+#define inb_gpio(x)			inb(LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
+#define outb_gpio(x, y)		outb(y, LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
+
+/****************************************/
+/*	Function Declare		*/
+/****************************************/
+/*
+void SPI_write(unsigned char addr,unsigned int value);
+unsigned int SPI_read(unsigned char table,unsigned char addr);
+void SPI_write_bit(char bit_EEDO);
+unsigned int SPI_read_bit(void);
+void SPI_default(void);
+void SPI_reset(unsigned char rstype,unsigned char port_cnt);
+void SPI_pre_st(void);
+void SPI_CS_enable(unsigned char enable);
+void SPI_Set_VLAN(unsigned char LAN,unsigned int port_mask);
+void SPI_Set_tag(unsigned int port,unsigned tag);
+void SPI_Set_PVID(unsigned int PVID,unsigned int port_mask);
+void SPI_mac_lock(unsigned int port, unsigned char lock);
+void SPI_get_port_state(unsigned int port);
+void SPI_port_enable(unsigned int port,unsigned char enable);
+
+void SPI_get_status(unsigned int port);
+*/
+
+struct PORT_CONFIG
+{
+	unsigned char auto_negotiation;	// 0:Disable	1:Enable
+	unsigned char speed;		// 0:10M	1:100M
+	unsigned char duplex;		// 0:Half	1:Full duplex
+	unsigned char Tag;		// 0:Untag	1:Tag
+	unsigned char port_disable;	// 0:port enable	1:disable
+	unsigned char pvid;		// port VLAN ID 0001
+	unsigned char mdix;		// Crossover judgement. 0:Disable 1:Enable
+	unsigned char mac_lock;		// MAC address Lock 0:Disable 1:Enable
+};
+
+struct PORT_STATUS
+{
+	unsigned char link;		// 0:not link	1:link established
+	unsigned char speed;		// 0:10M	1:100M
+	unsigned char duplex;		// 0:Half	1:Full duplex
+	unsigned char flow_ctl;		// 0:flow control disable 1:enable
+	unsigned char mac_lock;		// MAC address Lock 0:Disable 1:Enable
+	unsigned char port_disable;	// 0:port enable	1:disable
+
+	// Serial Management
+	unsigned long rx_pac_count;		//receive packet count
+	unsigned long rx_pac_byte;		//receive packet byte count
+	unsigned long tx_pac_count;		//transmit packet count
+	unsigned long tx_pac_byte;		//transmit packet byte count
+	unsigned long collision_count;		//error count
+	unsigned long error_count ;
+
+	unsigned long rx_pac_count_overflow;		//overflow flag
+	unsigned long rx_pac_byte_overflow;
+	unsigned long tx_pac_count_overflow;
+	unsigned long tx_pac_byte_overflow;
+	unsigned long collision_count_overflow;
+	unsigned long error_count_overflow;
+};
+
+struct PORT_CONFIG port_config[ADM699X_PORT_NO];	// 0~3:LAN , 4:WAN , 5:MII
+static struct PORT_STATUS port_state[ADM699X_PORT_NO];
+
+/******************************************
+* SPI_write
+* addr -> Write Address
+* value -> value to be write
+***************************************** */
+void SPI_write(unsigned char addr,unsigned int value)
+{
+	int     i;
+	char    bit;
+#ifdef CONFIG_IT8712_GPIO
+	char    status;
+#else
+    int     ad1;
+#endif
+
+#ifdef CONFIG_IT8712_GPIO
+	status = inb_gpio(LPC_GPIO_SET);
+	status &= ~(ADM_EDIO) ;		//EDIO low
+	outb_gpio(LPC_GPIO_SET, status);
+#else
+   	ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+	writel(GPIO_MISO,ad1); /* set MISO to 0 */
+#endif
+	SPI_CS_enable(1);
+
+	SPI_write_bit(0);       //dummy clock
+
+	//send write command (0x05)
+	for(i=SPI_OP_LEN-1;i>=0;i--)
+	{
+		bit = (SPI_OPWRITE>>i)& 0x01;
+		SPI_write_bit(bit);
+	}
+	// send 8 bits address (MSB first, LSB last)
+	for(i=SPI_ADD_LEN-1;i>=0;i--)
+	{
+		bit = (addr>>i)& 0x01;
+		SPI_write_bit(bit);
+	}
+	// send 16 bits data (MSB first, LSB last)
+	for(i=SPI_DAT_LEN-1;i>=0;i--)
+	{
+		bit = (value>>i)& 0x01;
+		SPI_write_bit(bit);
+	}
+
+	SPI_CS_enable(0);	// CS low
+
+	for(i=0;i<0xFFF;i++) ;
+#ifdef CONFIG_IT8712_GPIO
+	status = inb_gpio(LPC_GPIO_SET);
+	status &= ~(ADM_EDIO) ;		//EDIO low
+	outb_gpio(LPC_GPIO_SET, status);
+#else
+   	ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+	writel(GPIO_MISO,ad1); /* set MISO to 0 */
+#endif
+}
+
+
+/************************************
+* SPI_write_bit
+* bit_EEDO -> 1 or 0 to be written
+************************************/
+void SPI_write_bit(char bit_EEDO)
+{
+#ifdef CONFIG_IT8712_GPIO
+	unsigned char iomode,status;
+
+	iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
+	iomode |= (ADM_EECK|ADM_EDIO|ADM_EECS) ;				// Set EECK,EDIO,EECS output
+	LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
+
+	if(bit_EEDO)
+	{
+		status = inb_gpio( LPC_GPIO_SET);
+		status |= ADM_EDIO ;		//EDIO high
+		outb_gpio(LPC_GPIO_SET, status);
+	}
+	else
+	{
+		status = inb_gpio( LPC_GPIO_SET);
+		status &= ~(ADM_EDIO) ;		//EDIO low
+		outb_gpio(LPC_GPIO_SET, status);
+	}
+
+	status |= ADM_EECK ;		//EECK high
+	outb_gpio(LPC_GPIO_SET, status);
+
+	status &= ~(ADM_EECK) ;		//EECK low
+	outb_gpio(LPC_GPIO_SET, status);
+
+#else
+	unsigned int addr;
+	unsigned int value;
+
+	addr = (GPIO_BASE_ADDR + GPIO_PIN_DIR);
+	value = readl(addr) |GPIO_EECK |GPIO_MISO ;   /* set EECK/MISO Pin to output */
+	writel(value,addr);
+	if(bit_EEDO)
+	{
+		addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
+		writel(GPIO_MISO,addr); /* set MISO to 1 */
+		writel(GPIO_EECK,addr); /* set EECK to 1 */
+		addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+		writel(GPIO_EECK,addr); /* set EECK to 0 */
+	}
+	else
+	{
+		addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+		writel(GPIO_MISO,addr); /* set MISO to 0 */
+		addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
+		writel(GPIO_EECK,addr); /* set EECK to 1 */
+		addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+		writel(GPIO_EECK,addr); /* set EECK to 0 */
+	}
+
+	return ;
+#endif
+}
+
+/**********************************************************************
+* read a bit from ADM6996 register
+***********************************************************************/
+unsigned int SPI_read_bit(void) // read data from
+{
+#ifdef CONFIG_IT8712_GPIO
+	unsigned char iomode,status;
+	unsigned int value ;
+
+	iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
+	iomode &= ~(ADM_EDIO) ;		// Set EDIO input
+	iomode |= (ADM_EECS|ADM_EECK) ;		// Set EECK,EECS output
+	LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
+
+	status = inb_gpio( LPC_GPIO_SET);
+	status |= ADM_EECK ;		//EECK high
+	outb_gpio(LPC_GPIO_SET, status);
+
+	status &= ~(ADM_EECK) ;		//EECK low
+	outb_gpio(LPC_GPIO_SET, status);
+
+	value = inb_gpio( LPC_GPIO_SET);
+
+	value = value>>2 ;
+	value &= 0x01;
+
+	return value ;
+#else
+	unsigned int addr;
+	unsigned int value;
+
+	addr = (GPIO_BASE_ADDR + GPIO_PIN_DIR);
+	value = readl(addr) & (~GPIO_MISO);   // set EECK to output and MISO to input
+	writel(value,addr);
+
+	addr =(GPIO_BASE_ADDR + GPIO_DATA_SET);
+	writel(GPIO_EECK,addr); // set EECK to 1
+	addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+	writel(GPIO_EECK,addr); // set EECK to 0
+
+	addr = (GPIO_BASE_ADDR + GPIO_DATA_IN);
+	value = readl(addr) ;
+	value = value >> 30;
+	return value ;
+#endif
+}
+
+/******************************************
+* SPI_default
+* EEPROM content default value
+*******************************************/
+void SPI_default(void)
+{
+	int i;
+#ifdef CONFIG_ADM_6999
+	SPI_write(0x11,0xFF30);
+	for(i=1;i<8;i++)
+		SPI_write(i,0x840F);
+
+	SPI_write(0x08,0x880F);			//port 8 Untag, PVID=2
+	SPI_write(0x09,0x881D);			//port 9 Tag, PVID=2 ,10M
+	SPI_write(0x14,0x017F);			//Group 0~6,8 as VLAN 1
+	SPI_write(0x15,0x0180);			//Group 7,8 as VLAN 2
+#endif
+
+#ifdef CONFIG_ADM_6996
+	SPI_write(0x11,0xFF30);
+	SPI_write(0x01,0x840F);			//port 0~3 Untag ,PVID=1 ,100M ,duplex
+	SPI_write(0x03,0x840F);
+	SPI_write(0x05,0x840F);
+	SPI_write(0x07,0x840F);
+	SPI_write(0x08,0x880F);			//port 4 Untag, PVID=2
+	SPI_write(0x09,0x881D);			//port 5 Tag, PVID=2 ,10M
+	SPI_write(0x14,0x0155);			//Group 0~3,5 as VLAN 1
+	SPI_write(0x15,0x0180);			//Group 4,5 as VLAN 2
+
+#endif
+
+	for(i=0x16;i<=0x22;i++)
+		SPI_write((unsigned char)i,0x0000);		// clean VLAN¡@map 3~15
+
+	for (i=0;i<NUM_VLAN_IF;i++) 				// Set VLAN ID map 1,2
+		SPI_Set_PVID( VLAN_conf[i].vid,  VLAN_conf[i].portmap);
+
+	for(i=0;i<ADM699X_PORT_NO;i++)				// reset count
+		SPI_reset(0,i);
+}
+
+/*************************************************
+* SPI_reset
+* rstype -> reset type
+*	    0:reset all count for 'port_cnt' port
+*	    1:reset specified count 'port_cnt'
+* port_cnt   ->  port number or counter index
+***************************************************/
+void SPI_reset(unsigned char rstype,unsigned char port_cnt)
+{
+
+	int i;
+#ifdef CONFIG_IT8712_GPIO
+    char status;
+#else
+	int ad1;
+#endif
+	char bit;
+
+#ifdef CONFIG_IT8712_GPIO
+	status = inb_gpio(LPC_GPIO_SET);
+	status &= ~(ADM_EDIO) ;		//EDIO low
+	outb_gpio(LPC_GPIO_SET, status);
+#else
+   	ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+	writel(GPIO_MISO,ad1); /* set MISO to 0 */
+#endif
+
+	SPI_CS_enable(0);	// CS low
+
+	SPI_pre_st(); // PRE+ST
+	SPI_write_bit(0); // OP
+	SPI_write_bit(1);
+
+	SPI_write_bit(1);		// Table select, must be 1 -> reset Counter
+
+	SPI_write_bit(0);		// Device Address
+	SPI_write_bit(0);
+
+	rstype &= 0x01;
+	SPI_write_bit(rstype);		// Reset type 0:clear dedicate port's all counters 1:clear dedicate counter
+
+	for (i=5;i>=0;i--) 		// port or cnt index
+	{
+		bit = port_cnt >> i ;
+		bit &= 0x01 ;
+		SPI_write_bit(bit);
+	}
+
+	SPI_write_bit(0); 		// dumy clock
+	SPI_write_bit(0); 		// dumy clock
+
+#ifdef CONFIG_IT8712_GPIO
+	status = inb_gpio(LPC_GPIO_SET);
+	status &= ~(ADM_EDIO) ;		//EDIO low
+	outb_gpio(LPC_GPIO_SET, status);
+#else
+   	ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+	writel(GPIO_MISO,ad1); /* set MISO to 0 */
+#endif
+}
+
+/*****************************************************
+* SPI_pre_st
+* preambler: 32 bits '1'   start bit: '01'
+*****************************************************/
+void SPI_pre_st(void)
+{
+	int i;
+
+	for(i=0;i<32;i++) // PREAMBLE
+		SPI_write_bit(1);
+	SPI_write_bit(0); // ST
+	SPI_write_bit(1);
+}
+
+
+/***********************************************************
+* SPI_CS_enable
+* before access ,you have to enable Chip Select. (pull high)
+* When fisish, you should pull low !!
+*************************************************************/
+void SPI_CS_enable(unsigned char enable)
+{
+#ifdef CONFIG_IT8712_GPIO
+
+	unsigned char iomode,status;
+
+	iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
+	iomode |= (ADM_EECK|ADM_EDIO|ADM_EECS) ;				// Set EECK,EDIO,EECS output
+	LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
+
+
+	status = inb_gpio( LPC_GPIO_SET);
+	if(enable)
+		status |= ADM_EECS ;		//EECS high
+	else
+		status &= ~(ADM_EECS) ;	//EECS low
+
+	outb_gpio(LPC_GPIO_SET, status);
+
+
+	status |= ADM_EECK ;		//EECK high
+	outb_gpio(LPC_GPIO_SET, status);
+
+	status &= ~(ADM_EECK) ;		//EECK low
+	outb_gpio(LPC_GPIO_SET, status);
+
+#else
+	unsigned int addr,value;
+
+	addr = (GPIO_BASE_ADDR + GPIO_PIN_DIR);
+	value = readl(addr) |GPIO_EECS |GPIO_EECK;   /* set EECS/EECK Pin to output */
+	writel(value,addr);
+
+	if(enable)
+	{
+		addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
+		writel(GPIO_EECS,addr); /* set EECS to 1 */
+
+	}
+	else
+	{
+		addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+		writel(GPIO_EECS,addr); /* set EECS to 0 */
+		addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
+		writel(GPIO_EECK,addr); /* set EECK to 1 */	// at least one clock after CS low
+		addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+		writel(GPIO_EECK,addr); /* set EECK to 0 */
+	}
+#endif
+}
+
+/*********************************************************
+* SPI_Set_VLAN: group ports as VLAN
+* LAN  -> VLAN number : 0~16
+* port_mask -> ports which would group as LAN
+* 	       ex. 0x03 = 0000 0011
+*			port 0 and port 1
+*********************************************************/
+void SPI_Set_VLAN(unsigned char LAN,unsigned int port_mask)
+{
+	unsigned int i,value=0;
+	unsigned reg_add = 0x13 + LAN ;
+
+	for(i=0;i<ADM6996_PORT_NO;i++)
+	{	if(port_mask&0x01)
+		{
+			switch(i)
+			{
+				case 0: value|=0x0001;	break;	//port0:bit[0]
+				case 1: value|=0x0004;	break;  //port1:bit[2]
+				case 2: value|=0x0010;	break;  //port2:bit[4]
+				case 3: value|=0x0040;	break;  //port3:bit[6]
+				case 4: value|=0x0080;	break;  //port4:bit[7]
+				case 5: value|=0x0100;	break;  //port5:bit[8]
+			}
+		}
+		port_mask >>= 1;
+	}
+
+	SPI_write(reg_add,value);
+}
+
+
+/*******************************************
+* SPI_Set_tag
+* port -> port number to set tag or untag
+* tag  -> 0/set untag,  1/set tag
+* In general, tag is for MII port. LAN and
+* WAN port is configed as untag!!
+********************************************/
+void SPI_Set_tag(unsigned int port,unsigned tag)
+{
+	unsigned int regadd,value;
+
+	// mapping port's register !! (0,1,2,3,4,5) ==> (1,3,5,7,8,9)
+	if(port<=3)
+		regadd=2*port+1;
+	else if(port==4) regadd = 8 ;
+	else regadd = 9 ;
+
+
+	value = SPI_read(0,regadd);		//read original setting
+
+	if(tag)
+		value |= 0x0010 ;		// set tag
+	else
+		value &= 0xFFEF ;		// set untag
+
+	SPI_write(regadd,value);		// write back!!
+}
+
+/************************************************
+* SPI_Set_PVID
+* PVID -> PVID number :
+* port_mask -> ports which would group as LAN
+* 	       ex. 0x0F = 0000 1111 ==> port 0~3
+************************************************/
+void SPI_Set_PVID(unsigned int PVID,unsigned int port_mask)
+{
+	unsigned int i,value=0;
+
+	PVID &= 0x000F ;
+
+	for(i=0;i<ADM699X_PORT_NO;i++)
+	{	if(port_mask&0x01)
+		{
+#ifdef CONFIG_ADM_6996
+			switch(i)
+			{
+				case 0:
+					value = SPI_read(0,0x01);	// read original value
+					value &= 0xC3FF ;			//set PVIC column as 0 first
+					value |= PVID << 10 ;		//Set PVID column as PVID
+					SPI_write(0x01,value);		//write back
+					break;
+				case 1:
+					value = SPI_read(0,0x03);
+					value &= 0xC3FF ;
+					value |= PVID << 10 ;
+					SPI_write(0x03,value);
+					break;
+				case 2:
+					value = SPI_read(0,0x05);
+					value &= 0xC3FF ;
+					value |= PVID << 10 ;
+					SPI_write(0x05,value);
+					break;
+				case 3:
+					value = SPI_read(0,0x07);
+					value &= 0xC3FF ;
+					value |= PVID << 10 ;
+					SPI_write(0x07,value);
+					break;
+				case 4:
+					value = SPI_read(0,0x08);
+					value &= 0xC3FF ;
+					value |= PVID << 10 ;
+					SPI_write(0x08,value);
+					break;
+				case 5:
+					value = SPI_read(0,0x09);
+					value &= 0xC3FF ;
+					value |= PVID << 10 ;
+					SPI_write(0x09,value);
+					break;
+			}
+#endif
+#ifdef CONFIG_ADM_6999
+			value = SPI_read(0,(unsigned char)i+1);
+			value &= 0xC3FF ;
+			value |= PVID << 10 ;
+			SPI_write((unsigned char)i+1,value);
+#endif
+		}
+		port_mask >>= 1;
+	}
+}
+
+
+/************************************************
+* SPI_get_PVID
+* port -> which ports to VID
+************************************************/
+unsigned int SPI_Get_PVID(unsigned int port)
+{
+	unsigned int value=0;
+
+	if (port>=ADM6996_PORT_NO)
+		return 0;
+
+	switch(port)
+	{
+		case 0:
+			value = SPI_read(0,0x01);	// read original value
+			value &= 0x3C00 ;		// get VID
+			value = value >> 10 ;		// Shift
+			break;
+		case 1:
+			value = SPI_read(0,0x03);
+			value &= 0x3C00 ;
+			value = value >> 10 ;
+			break;
+		case 2:
+			value = SPI_read(0,0x05);
+			value &= 0x3C00 ;
+			value = value >> 10 ;
+			break;
+		case 3:
+			value = SPI_read(0,0x07);
+			value &= 0x3C00 ;
+			value = value >> 10 ;
+			break;
+		case 4:
+			value = SPI_read(0,0x08);
+			value &= 0x3C00 ;
+			value = value >> 10 ;
+			break;
+		case 5:
+			value = SPI_read(0,0x09);
+			value &= 0x3C00 ;
+			value = value >> 10 ;
+			break;
+	}
+	return value ;
+}
+
+
+/**********************************************
+* SPI_mac_clone
+* port -> the port which will lock or unlock
+* lock -> 0/the port will be unlock
+*	  1/the port will be locked
+**********************************************/
+void SPI_mac_lock(unsigned int port, unsigned char lock)
+{
+	unsigned int i,value=0;
+
+	value = SPI_read(0,0x12);		// read original
+
+	for(i=0;i<ADM6996_PORT_NO;i++)
+	{	if(lock)				// lock port
+		{
+			switch(port)
+			{
+				case 0: value|=0x0001;	break;	//port0:bit[0]
+				case 1: value|=0x0004;	break;	//port1:bit[2]
+				case 2: value|=0x0010;	break;	//port2:bit[4]
+				case 3: value|=0x0040;	break;	//port3:bit[6]
+				case 4: value|=0x0080;	break;	//port4:bit[7]
+				case 5: value|=0x0100;	break;	//port5:bit[8]
+			}
+		}
+		else
+		{
+			switch(i)			// unlock port
+			{
+				case 0: value&=0xFFFE;	break;
+				case 1: value&=0xFFFB;	break;
+				case 2: value&=0xFFEF;	break;
+				case 3: value&=0xFFBF;	break;
+				case 4: value&=0xFF7F;	break;
+				case 5: value&=0xFEFF;	break;
+			}
+		}
+	}
+
+	SPI_write(0x12,value);
+}
+
+
+/***************************************************
+* SPI_learn_pause
+* pause = 01-80-c2-00-00-01
+* DA=distination address
+* forward -> 0: if DA == pause then drop and stop mac learning
+*	     1: if DA == pause ,then forward it
+***************************************************/
+void SPI_pause_cmd_forward(unsigned char forward)
+{
+	unsigned int value=0;
+
+	value = SPI_read(0,0x2C);		// read original setting
+	if(forward)
+		value |= 0x2000;		// set bit[13] '1'
+	else
+		value &= 0xDFFF;		// set bit[13] '0'
+
+	SPI_write(0x2C,value);
+
+}
+
+
+/************************************************
+* SPI_read
+* table -> which table to be read: 1/count  0/EEPROM
+* addr  -> Address to be read
+* return : Value of the register
+*************************************************/
+unsigned int SPI_read(unsigned char table,unsigned char addr)
+{
+	int i ;
+	unsigned int value=0;
+	unsigned int bit;
+#ifdef CONFIG_IT8712_GPIO
+	unsigned char status;
+#else
+    unsigned int ad1;
+#endif
+
+#ifdef CONFIG_IT8712_GPIO
+	status = inb_gpio(LPC_GPIO_SET);
+	status &= ~(ADM_EDIO) ;		//EDIO low
+	outb_gpio(LPC_GPIO_SET, status);
+#else
+   	ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+	writel(GPIO_MISO,ad1); /* set MISO to 0 */
+#endif
+
+	SPI_CS_enable(0);
+
+	SPI_pre_st(); // PRE+ST
+	SPI_write_bit(1); // OPCODE '10' for read
+	SPI_write_bit(0);
+
+	(table==1) ? SPI_write_bit(1) : SPI_write_bit(0) ;	// table select
+
+	SPI_write_bit(0);		// Device Address
+	SPI_write_bit(0);
+
+
+	// send 7 bits address to be read
+	for (i=6;i>=0;i--) {
+		bit= ((addr>>i) & 0x01) ? 1 :0 ;
+		SPI_write_bit(bit);
+	}
+
+
+	// turn around
+	SPI_read_bit(); // TA_Z
+
+	value=0;
+	for (i=31;i>=0;i--) { // READ DATA
+		bit=SPI_read_bit();
+		value |= bit << i ;
+	}
+
+	SPI_read_bit(); // dumy clock
+	SPI_read_bit(); // dumy clock
+
+	if(!table)					// EEPROM, only fetch 16 bits data
+	{
+	    if(addr&0x01)				// odd number content (register,register-1)
+		    value >>= 16 ;			// so we remove the rear 16bits
+	    else					// even number content (register+1,register),
+		    value &= 0x0000FFFF ;		// so we keep the rear 16 bits
+	}
+
+
+	SPI_CS_enable(0);
+
+#ifdef CONFIG_IT8712_GPIO
+	status = inb_gpio(LPC_GPIO_SET);
+	status &= ~(ADM_EDIO) ;		//EDIO low
+	outb_gpio(LPC_GPIO_SET, status);
+#else
+   	ad1 = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+	writel(GPIO_MISO,ad1); /* set MISO to 0 */
+#endif
+
+	return(value);
+
+}
+
+
+
+/**************************************************
+* SPI_port_en
+* port -> Number of port to config
+* enable -> 1/ enable this port
+*	    0/ disable this port
+**************************************************/
+void SPI_port_enable(unsigned int port,unsigned char enable)
+{
+	unsigned int reg_val ;
+	unsigned char reg_add ;
+
+	if(port<=3)
+		reg_add=2*port+1;
+	else if(port==4) reg_add = 8 ;
+	else reg_add = 9 ;
+
+	reg_val = SPI_read(0,reg_add);
+	if(enable)
+	{
+		reg_val &= 0xFFDF ;
+		SPI_write(reg_add,reg_val);
+	}
+	else
+	{
+		reg_val |= 0x0020 ;
+		SPI_write(reg_add,reg_val);
+	}
+}
+
+/********************************************************
+* get port status
+* port -> specify the port number to get configuration
+*********************************************************/
+void SPI_get_status(unsigned int port)
+{
+/*	unsigned int reg_val,add_offset[6];
+	struct PORT_STATUS *status;
+	status = &port_state[port];
+
+	if(port>(ADM6996_PORT_NO-1))
+		return ;
+
+	// Link estabilish , speed, deplex, flow control ?
+	if(port < 5 )
+	{
+		reg_val = SPI_read(1, 1) ;
+		if(port < 4)
+			reg_val >>= port*8 ;
+		else
+			reg_val >>=28 ;
+		status->link = reg_val & 0x00000001 ;
+		status->speed = reg_val  & 0x00000002 ;
+		status->duplex = reg_val & 0x00000004 ;
+		status->flow_ctl = reg_val & 0x00000008 ;
+	}
+	else if(port ==5 )
+	{
+		reg_val = SPI_read(1, 2) ;
+		status->link = reg_val & 0x00000001 ;
+		status->speed = reg_val  & 0x00000002 ;
+		status->duplex = reg_val & 0x00000008 ;
+		status->flow_ctl = reg_val & 0x00000010 ;
+	}
+
+	//   Mac Lock ?
+	reg_val = SPI_read(0,0x12);
+	switch(port)
+	{
+		case 0:	status->mac_lock = reg_val & 0x00000001;
+		case 1:	status->mac_lock = reg_val & 0x00000004;
+		case 2:	status->mac_lock = reg_val & 0x00000010;
+		case 3:	status->mac_lock = reg_val & 0x00000040;
+		case 4:	status->mac_lock = reg_val & 0x00000080;
+		case 5:	status->mac_lock = reg_val & 0x00000100;
+	}
+
+	// port enable ?
+	add_offset[0] = 0x01 ;		add_offset[1] = 0x03 ;
+	add_offset[2] = 0x05 ;		add_offset[3] = 0x07 ;
+	add_offset[4] = 0x08 ;		add_offset[5] = 0x09 ;
+	reg_val = SPI_read(0,add_offset[port]);
+	status->port_disable = reg_val & 0x0020;
+
+
+	//  Packet Count ...
+	add_offset[0] = 0x04 ;		add_offset[1] = 0x06 ;
+	add_offset[2] = 0x08 ;		add_offset[3] = 0x0a ;
+	add_offset[4] = 0x0b ;		add_offset[5] = 0x0c ;
+
+	reg_val = SPI_read(1,add_offset[port]);
+	status->rx_pac_count = reg_val ;
+	reg_val = SPI_read(1,add_offset[port]+9);
+	status->rx_pac_byte = reg_val ;
+	reg_val = SPI_read(1,add_offset[port]+18);
+	status->tx_pac_count = reg_val ;
+	reg_val = SPI_read(1,add_offset[port]+27);
+	status->tx_pac_byte = reg_val ;
+	reg_val = SPI_read(1,add_offset[port]+36);
+	status->collision_count = reg_val ;
+	reg_val = SPI_read(1,add_offset[port]+45);
+	status->error_count = reg_val ;
+	reg_val = SPI_read(1, 0x3A);
+	switch(port)
+	{
+		case 0:	status->rx_pac_count_overflow = reg_val & 0x00000001;
+			status->rx_pac_byte_overflow = reg_val & 0x00000200 ;
+		case 1:	status->rx_pac_count_overflow = reg_val & 0x00000004;
+			status->rx_pac_byte_overflow = reg_val & 0x00000800 ;
+		case 2:	status->rx_pac_count_overflow = reg_val & 0x00000010;
+			status->rx_pac_byte_overflow = reg_val & 0x00002000 ;
+		case 3:	status->rx_pac_count_overflow = reg_val & 0x00000040;;
+			status->rx_pac_byte_overflow = reg_val & 0x00008000 ;
+		case 4:	status->rx_pac_count_overflow = reg_val & 0x00000080;
+			status->rx_pac_byte_overflow = reg_val & 0x00010000 ;
+		case 5:	status->rx_pac_count_overflow = reg_val & 0x00000100;
+			status->rx_pac_byte_overflow = reg_val & 0x00020000 ;
+	}
+
+	reg_val = SPI_read(1, 0x3B);
+	switch(port)
+	{
+		case 0:	status->tx_pac_count_overflow = reg_val & 0x00000001;
+			status->tx_pac_byte_overflow  = reg_val & 0x00000200 ;
+		case 1:	status->tx_pac_count_overflow  = reg_val & 0x00000004;
+			status->tx_pac_byte_overflow  = reg_val & 0x00000800 ;
+		case 2:	status->tx_pac_count_overflow  = reg_val & 0x00000010;
+			status->tx_pac_byte_overflow  = reg_val & 0x00002000 ;
+		case 3:	status->tx_pac_count_overflow  = reg_val & 0x00000040;;
+			status->tx_pac_byte_overflow  = reg_val & 0x00008000 ;
+		case 4:	status->tx_pac_count_overflow  = reg_val & 0x00000080;
+			status->tx_pac_byte_overflow  = reg_val & 0x00010000 ;
+		case 5:	status->tx_pac_count_overflow  = reg_val & 0x00000100;
+			status->tx_pac_byte_overflow  = reg_val & 0x00020000 ;
+	}
+*/
+
+	unsigned int reg_val;
+	struct PORT_STATUS *status;
+	status = &port_state[port];
+
+	if(port>=ADM6999_PORT_NO)
+		return ;
+
+	// Link estabilish , speed, deplex, flow control ?
+	if(port < ADM6999_PORT_NO-1 )
+	{
+		reg_val = SPI_read(1, 0x01) ;
+		reg_val = reg_val >> port*4 ;
+		status->link = reg_val & 0x00000001 ;
+		status->speed = reg_val  & 0x00000002 ;
+		status->duplex = reg_val & 0x00000004 ;
+		status->flow_ctl = reg_val & 0x00000008 ;
+	}
+	else if(port == (ADM6999_PORT_NO-1) )
+	{
+		reg_val = SPI_read(1, 0x02) ;
+		status->link = reg_val & 0x00000001 ;
+		status->speed = reg_val  & 0x00000002 ;
+		status->duplex = reg_val & 0x00000008 ;
+		status->flow_ctl = reg_val & 0x00000010 ;
+	}
+
+	// Mac Lock ?
+	reg_val = SPI_read(0,0x12);
+	reg_val = reg_val >> port ;
+	reg_val = reg_val & 0x01 ;
+	status->mac_lock = reg_val ? 0x01:0x00 ;
+
+	// port enable ?
+	reg_val = SPI_read(0,(unsigned char)port+1);
+	status->port_disable = reg_val & 0x0020;
+
+	//  Packet Count ...
+	reg_val = SPI_read(1,(unsigned char)port+0x04);
+	status->rx_pac_count = reg_val ;
+	reg_val = SPI_read(1,(unsigned char)port+0x0D);
+	status->rx_pac_byte = reg_val ;
+	reg_val = SPI_read(1,(unsigned char)port+0x16);
+	status->tx_pac_count = reg_val ;
+	reg_val = SPI_read(1,(unsigned char)port+0x1F);
+	status->tx_pac_byte = reg_val ;
+	reg_val = SPI_read(1,(unsigned char)port+0x28);
+	status->collision_count = reg_val ;
+	reg_val = SPI_read(1,(unsigned char)port+0x31);
+	status->error_count = reg_val ;
+	reg_val = SPI_read(1, 0x3A);
+	reg_val = reg_val >> port ;
+	status->rx_pac_count_overflow = reg_val & 0x00000001;
+	reg_val = reg_val >> 0x09 ;
+	status->rx_pac_byte_overflow = reg_val & 0x00000001 ;
+
+	reg_val = SPI_read(1, 0x3B);
+	reg_val = reg_val >> port ;
+	status->tx_pac_count_overflow = reg_val & 0x00000001;
+	reg_val = reg_val >> 0x09 ;
+	status->tx_pac_byte_overflow  = reg_val & 0x00000001 ;
+
+	reg_val = SPI_read(1, 0x3C);
+	reg_val = reg_val >> port ;
+	status->collision_count_overflow = reg_val & 0x00000001;
+	reg_val = reg_val >> 0x09 ;
+	status->error_count_overflow  = reg_val & 0x00000001 ;
+
+}
+
+unsigned int SPI_get_identifier(void)
+{
+	unsigned int flag=0;
+
+#ifdef CONFIG_IT8712_GPIO
+
+	if (!it8712_exist) {
+		return -ENODEV;
+	}
+	printk("it8712_gpio init\n");
+
+	/* initialize registers */
+	// switch all multi-function pins to GPIO
+	LPCSetConfig(LDN_GPIO, 0x28, 0xff);
+
+	// set simple I/O base address
+	LPCSetConfig(LDN_GPIO, 0x62, IT8712_GPIO_BASE >> 8);
+	LPCSetConfig(LDN_GPIO, 0x63, (unsigned char) IT8712_GPIO_BASE >> 8);
+
+	// select GPIO to simple I/O
+	LPCSetConfig(LDN_GPIO, 0xc3, 0xff);
+
+	// enable internal pull-up
+	LPCSetConfig(LDN_GPIO, 0xbb, 0xff);
+
+#endif
+
+	flag = SPI_read(1,0x00);
+	printk("Get ADM identifier %6x\n",flag);
+	if ((flag & 0xFFFF0) == 0x21120) {
+		printk("ADM699X Found\n");
+		return 1;
+	}
+	else {
+		printk("ADM699X not Found\n");
+		return 0;
+	}
+}
+
--- /dev/null
+++ b/drivers/net/sl351x_crc16.c
@@ -0,0 +1,93 @@
+/****************************************************************************
+* Name			: sl351x_crc16.c
+* Description	:
+*		Implement CRC16
+*		refer to RFC1662
+* History
+*
+*	Date		Writer		Description
+*	-----------	-----------	-------------------------------------------------
+*	09/14/2005	Gary Chen	Create
+*
+****************************************************************************/
+
+#define INITFCS16		0xffff  /* Initial FCS value */
+#define GOODFCS16		0xf0b8  /* Good final FCS value */
+#define SWAP_WORD(x)	(unsigned short)((((unsigned short)x & 0x00FF) << 8) |	\
+										 (((unsigned short)x & 0xFF00) >> 8))
+
+/*----------------------------------------------------------------------
+* 	x**0 + x**5 + x**12 + x**16
+*----------------------------------------------------------------------*/
+static const unsigned short crc16_tbl[256] = {
+      0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
+      0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
+      0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
+      0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
+      0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
+      0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
+      0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
+      0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
+      0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
+      0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
+      0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
+      0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
+      0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
+      0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
+      0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
+      0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
+      0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
+      0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
+      0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
+      0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
+      0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
+      0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
+      0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
+      0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
+      0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
+      0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
+      0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
+      0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
+      0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
+      0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
+      0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
+      0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
+};
+
+/*----------------------------------------------------------------------
+* hash_crc16
+*----------------------------------------------------------------------*/
+unsigned short hash_crc16(unsigned short crc, unsigned char *datap, unsigned long len)
+{
+    while (len--)
+    {
+        crc = (crc >> 8) ^ crc16_tbl[(crc ^ (*datap++)) & 0xff];
+    }
+
+    return (crc);
+
+}
+
+/*----------------------------------------------------------------------
+* hash_check_crc16
+*----------------------------------------------------------------------*/
+unsigned long hash_check_crc16(unsigned char *datap, unsigned long len)
+{
+    unsigned short crc;
+
+    crc = hash_crc16(INITFCS16, datap, len );
+    return (crc == GOODFCS16) ?  0 : 1;
+}
+
+/*----------------------------------------------------------------------
+* hash_gen_crc16
+*----------------------------------------------------------------------*/
+unsigned short hash_gen_crc16(unsigned char *datap, unsigned long len)
+{
+    unsigned short crc;
+
+    crc = hash_crc16(INITFCS16, datap, len);
+    crc ^= 0xffff;
+
+    return(SWAP_WORD(crc));
+}
--- /dev/null
+++ b/drivers/net/sl351x_gmac.c
@@ -0,0 +1,5622 @@
+/**************************************************************************
+* Copyright 2006 StorLink Semiconductors, Inc.  All rights reserved.
+*--------------------------------------------------------------------------
+* Name			: sl351x_gmac.c
+* Description	:
+*		Ethernet device driver for Storlink SL351x FPGA
+*
+* History
+*
+*	Date		Writer		Description
+*	-----------	-----------	-------------------------------------------------
+*	08/22/2005	Gary Chen	Create and implement
+*   27/10/2005  CH Hsu      Porting to Linux
+*
+****************************************************************************/
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/compiler.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/delay.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/completion.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/semaphore.h>
+#include <asm/arch/irqs.h>
+#include <asm/arch/it8712.h>
+#include <linux/mtd/kvctl.h>
+#include <linux/skbuff.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+
+#include <linux/mtd/kvctl.h>
+
+#define	 MIDWAY
+#define	 SL_LEPUS
+#define VITESSE_G5SWITCH	1
+
+#ifndef CONFIG_SL351x_RXTOE
+//#define CONFIG_SL351x_RXTOE	1
+#endif
+#undef CONFIG_SL351x_RXTOE
+
+#include <asm/arch/sl2312.h>
+#include <asm/arch/sl351x_gmac.h>
+#include <asm/arch/sl351x_hash_cfg.h>
+#include <asm/arch/sl351x_nat_cfg.h>
+
+#ifdef CONFIG_SL351x_SYSCTL
+#include <linux/sysctl_storlink.h>
+#endif
+
+#ifdef CONFIG_SL351x_RXTOE
+#include <asm/arch/sl351x_toe.h>
+#include <net/tcp.h>
+#include <linux/tcp.h>
+#include <linux/ip.h>
+#endif
+
+// #define SL351x_TEST_WORKAROUND
+#ifdef CONFIG_SL351x_NAT
+#define CONFIG_SL_NAPI					1
+#endif
+#define GMAX_TX_INTR_DISABLED			1
+#define DO_HW_CHKSUM					1
+#define ENABLE_TSO						1
+#define GMAC_USE_TXQ0					1
+// #define NAT_WORKAROUND_BY_RESET_GMAC	1
+// #define HW_RXBUF_BY_KMALLOC			1
+//#define _DUMP_TX_TCP_CONTENT	1
+#define	br_if_ioctl						1
+#define GMAC_LEN_1_2_ISSUE				1
+
+#define GMAC_EXISTED_FLAG			0x5566abcd
+#define CONFIG_MAC_NUM				GMAC_NUM
+#define GMAC0_BASE					TOE_GMAC0_BASE
+#define GMAC1_BASE					TOE_GMAC1_BASE
+#define PAUSE_SET_HW_FREEQ			(TOE_HW_FREEQ_DESC_NUM / 2)
+#define PAUSE_REL_HW_FREEQ			((TOE_HW_FREEQ_DESC_NUM / 2) + 10)
+#define DEFAULT_RXQ_MAX_CNT			256
+#ifdef	L2_jumbo_frame
+#define TCPHDRLEN(tcp_hdr)  ((ntohs(*((__u16 *)tcp_hdr + 6)) >> 12) & 0x000F)
+#endif
+
+/* define chip information */
+#define DRV_NAME					"SL351x"
+#define DRV_VERSION					"0.1.4"
+#define SL351x_DRIVER_NAME  		DRV_NAME " Giga Ethernet driver " DRV_VERSION
+
+#define toe_gmac_enable_interrupt(irq)	enable_irq(irq)
+#define toe_gmac_disable_interrupt(irq)	disable_irq(irq)
+
+#ifdef SL351x_GMAC_WORKAROUND
+#define GMAC_SHORT_FRAME_THRESHOLD		10
+static struct timer_list gmac_workround_timer_obj;
+void sl351x_poll_gmac_hanged_status(u32 data);
+#ifdef CONFIG_SL351x_NAT
+//#define IxscriptMate_1518				1
+	void sl351x_nat_workaround_init(void);
+	#ifndef NAT_WORKAROUND_BY_RESET_GMAC
+		static void sl351x_nat_workaround_handler(void);
+	#endif
+#endif
+#endif
+
+#ifdef GMAC_LEN_1_2_ISSUE
+	#define _DEBUG_PREFETCH_NUM	256
+static	int	_debug_prefetch_cnt;
+static	char _debug_prefetch_buf[_DEBUG_PREFETCH_NUM][4] __attribute__((aligned(4)));
+#endif
+/*************************************************************
+ *         Global Variable
+ *************************************************************/
+static int	gmac_initialized = 0;
+TOE_INFO_T toe_private_data;
+//static int		do_again = 0;
+spinlock_t gmac_fq_lock;
+unsigned int FLAG_SWITCH;
+
+static unsigned int     	next_tick = 3 * HZ;
+static unsigned char    	eth_mac[CONFIG_MAC_NUM][6]= {{0x00,0x11,0x11,0x87,0x87,0x87}, {0x00,0x22,0x22,0xab,0xab,0xab}};
+
+#undef CONFIG_SL351x_RXTOE
+extern NAT_CFG_T nat_cfg;
+
+/************************************************/
+/*                 function declare             */
+/************************************************/
+static int gmac_set_mac_address(struct net_device *dev, void *addr);
+static unsigned int gmac_get_phy_vendor(int phy_addr);
+static void gmac_set_phy_status(struct net_device *dev);
+void gmac_get_phy_status(struct net_device *dev);
+static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+static void gmac_tx_timeout(struct net_device *dev);
+static int gmac_phy_thread (void *data);
+struct net_device_stats * gmac_get_stats(struct net_device *dev);
+static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static void gmac_set_rx_mode(struct net_device *dev);
+static irqreturn_t toe_gmac_interrupt (int irq, void *dev_instance);
+static void toe_gmac_handle_default_rxq(struct net_device *dev, GMAC_INFO_T *tp);
+unsigned int mii_read(unsigned char phyad,unsigned char regad);
+void mii_write(unsigned char phyad,unsigned char regad,unsigned int value);
+void mac_init_drv(void);
+
+static void toe_init_free_queue(void);
+static void toe_init_swtx_queue(void);
+static void toe_init_default_queue(void);
+#ifdef CONFIG_SL351x_RXTOE
+static void toe_init_interrupt_queue(void);
+#endif
+static void toe_init_interrupt_config(void);
+static void toe_gmac_sw_reset(void);
+static int toe_gmac_init_chip(struct net_device *dev);
+static void toe_gmac_enable_tx_rx(struct net_device* dev);
+static void toe_gmac_disable_tx_rx(struct net_device *dev);
+static void toe_gmac_hw_start(struct net_device *dev);
+static void toe_gmac_hw_stop(struct net_device *dev);
+static int toe_gmac_clear_counter(struct net_device *dev);
+static void toe_init_gmac(struct net_device *dev);
+static  void toe_gmac_tx_complete(GMAC_INFO_T *tp, unsigned int tx_qid, struct net_device *dev, int interrupt);
+#ifdef CONFIG_SL_NAPI
+static int gmac_rx_poll(struct net_device *dev, int *budget);
+// static void toe_gmac_disable_rx(struct net_device *dev);
+// static void toe_gmac_enable_rx(struct net_device *dev);
+#endif
+
+u32 mac_read_dma_reg(int mac, unsigned int offset);
+void mac_write_dma_reg(int mac, unsigned int offset, u32 data);
+void mac_stop_txdma(struct net_device *dev);
+void mac_get_sw_tx_weight(struct net_device *dev, char *weight);
+void mac_set_sw_tx_weight(struct net_device *dev, char *weight);
+void mac_get_hw_tx_weight(struct net_device *dev, char *weight);
+void mac_set_hw_tx_weight(struct net_device *dev, char *weight);
+static inline void toe_gmac_fill_free_q(void);
+
+#ifdef VITESSE_G5SWITCH
+extern int Get_Set_port_status(void);
+extern int SPI_default(void);
+extern unsigned int SPI_get_identifier(void);
+void gmac_get_switch_status(struct net_device *dev);
+unsigned int Giga_switch=0;
+unsigned int switch_port_no=0;
+unsigned int ever_dwon=0;
+#endif
+
+/************************************************/
+/*            GMAC function declare             */
+/************************************************/
+static int gmac_open (struct net_device *dev);
+static int gmac_close (struct net_device *dev);
+static void gmac_cleanup_module(void);
+static void gmac_get_mac_address(void);
+
+#ifdef CONFIG_SL351x_NAT
+static void toe_init_hwtx_queue(void);
+extern void sl351x_nat_init(void);
+extern void sl351x_nat_input(struct sk_buff *skb, int port, void *l3off, void *l4off);
+extern int sl351x_nat_output(struct sk_buff *skb, int port);
+extern int sl351x_nat_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
+#endif
+
+#ifdef CONFIG_SL351x_RXTOE
+extern void set_toeq_hdr(struct toe_conn* connection, TOE_INFO_T* toe, struct net_device *dev);
+extern void sl351x_toe_init(void);
+extern void toe_gmac_handle_toeq(struct net_device *dev, GMAC_INFO_T* tp, __u32 status);
+extern struct toe_conn* init_toeq(int ipver, void* iph, struct tcphdr* tcp_hdr, TOE_INFO_T* toe, unsigned char* l2hdr);
+#endif
+
+int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2);
+void mac_set_rule_enable_bit(int mac, int rule, int data);
+int mac_set_rule_action(int mac, int rule, int data);
+int mac_get_MRxCRx(int mac, int rule, int ctrlreg);
+void mac_set_MRxCRx(int mac, int rule, int ctrlreg, u32 data);
+
+/*----------------------------------------------------------------------
+*	Ethernet Driver init
+*----------------------------------------------------------------------*/
+
+static int __init gmac_init_module(void)
+{
+	GMAC_INFO_T 		*tp;
+	struct net_device	*dev;
+	int 		i,j;
+	unsigned int	chip_id;
+//	unsigned int chip_version;
+
+#ifdef CONFIG_SL3516_ASIC
+{
+    unsigned int    val;
+    /* set GMAC global register */
+    val = readl(GMAC_GLOBAL_BASE_ADDR+0x10);
+    val = val | 0x005f0000;
+    writel(val,GMAC_GLOBAL_BASE_ADDR+0x10);
+//    writel(0xb737b737,GMAC_GLOBAL_BASE_ADDR+0x1c); //For Socket Board
+    writel(0x77777777,GMAC_GLOBAL_BASE_ADDR+0x20);
+//    writel(0xa737b747,GMAC_GLOBAL_BASE_ADDR+0x1c);//For Mounting Board
+
+	//debug_Aaron
+    //writel(0xa7f0a7f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For Mounting Board
+    writel(0xa7f0b7f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For Mounting Board
+
+    writel(0x77777777,GMAC_GLOBAL_BASE_ADDR+0x24);
+	writel(0x09200030,GMAC_GLOBAL_BASE_ADDR+0x2C);
+	val = readl(GMAC_GLOBAL_BASE_ADDR+0x04);
+	if((val&(1<<20))==0){           // GMAC1 enable
+ 		val = readl(GMAC_GLOBAL_BASE_ADDR+0x30);
+		val = (val & 0xe7ffffff) | 0x08000000;
+		writel(val,GMAC_GLOBAL_BASE_ADDR+0x30);
+	}
+}
+#endif
+
+#ifdef VITESSE_G5SWITCH
+	Giga_switch = SPI_get_identifier();
+	if(Giga_switch)
+		switch_port_no = SPI_default();
+#endif
+
+	chip_id = readl(GMAC_GLOBAL_BASE_ADDR+0x0);
+	if (chip_id == 0x3512C1)
+	{
+		writel(0x5787a5f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For 3512 Switch Board
+		writel(0x55557777,GMAC_GLOBAL_BASE_ADDR+0x20);//For 3512 Switch Board
+	}
+//#endif
+
+	mac_init_drv();
+
+	printk (KERN_INFO SL351x_DRIVER_NAME " built at %s %s\n", __DATE__, __TIME__);
+
+//	init_waitqueue_entry(&wait, current);
+
+	// printk("GMAC Init......\n");
+
+	i = 0;
+	for(j = 0; i<CONFIG_MAC_NUM; j++)
+	{
+		i=j;
+		if(Giga_switch){		// if gswitch present, swap eth0/1
+			if(j==0)
+				i=1;
+			else if(j==1)
+				i=0;
+		}
+
+		tp = (GMAC_INFO_T *)&toe_private_data.gmac[i];
+		tp->dev = NULL;
+		if (tp->existed != GMAC_EXISTED_FLAG) continue;
+
+		dev = alloc_etherdev(0);
+		if (dev == NULL)
+		{
+			printk (KERN_ERR "Can't allocate ethernet device #%d .\n",i);
+			return -ENOMEM;
+		}
+
+		dev->priv=tp;
+		tp->dev = dev;
+
+		SET_MODULE_OWNER(dev);
+
+		// spin_lock_init(&tp->lock);
+		spin_lock_init(&gmac_fq_lock);
+		dev->base_addr = tp->base_addr;
+		dev->irq = tp->irq;
+	    dev->open = gmac_open;
+	    dev->stop = gmac_close;
+		dev->hard_start_xmit = gmac_start_xmit;
+		dev->get_stats = gmac_get_stats;
+		dev->set_multicast_list = gmac_set_rx_mode;
+		dev->set_mac_address = gmac_set_mac_address;
+		dev->do_ioctl = gmac_netdev_ioctl;
+		dev->tx_timeout = gmac_tx_timeout;
+		dev->watchdog_timeo = GMAC_DEV_TX_TIMEOUT;
+#ifdef	L2_jumbo_frame
+		dev->mtu = 2018; //2002  ,2018
+#endif
+		if (tp->port_id == 0)
+			dev->tx_queue_len = TOE_GMAC0_SWTXQ_DESC_NUM;
+		else
+			dev->tx_queue_len = TOE_GMAC1_SWTXQ_DESC_NUM;
+
+#ifdef DO_HW_CHKSUM
+		dev->features |= NETIF_F_SG|NETIF_F_HW_CSUM;
+#ifdef ENABLE_TSO
+		dev->features |= NETIF_F_TSO;
+#endif
+#endif
+#ifdef CONFIG_SL_NAPI
+        dev->poll = gmac_rx_poll;
+        dev->weight = 64;
+#endif
+
+		if (register_netdev(dev))
+		{
+			gmac_cleanup_module();
+			return(-1);
+		}
+	}
+
+
+//	FLAG_SWITCH = 0 ;
+//	FLAG_SWITCH = SPI_get_identifier();
+//	if(FLAG_SWITCH)
+//	{
+//		printk("Configure ADM699X...\n");
+//		SPI_default();	//Add by jason for ADM699X configuration
+//	}
+	return (0);
+}
+
+/*----------------------------------------------------------------------
+*	gmac_cleanup_module
+*----------------------------------------------------------------------*/
+
+static void gmac_cleanup_module(void)
+{
+    int i;
+
+#ifdef SL351x_GMAC_WORKAROUND
+	del_timer(&gmac_workround_timer_obj);
+#endif
+
+    for (i=0;i<CONFIG_MAC_NUM;i++)
+    {
+    	if (toe_private_data.gmac[i].dev)
+    	{
+        	unregister_netdev(toe_private_data.gmac[i].dev);
+        	toe_private_data.gmac[i].dev = NULL;
+        }
+    }
+	return ;
+}
+
+module_init(gmac_init_module);
+module_exit(gmac_cleanup_module);
+
+
+/*----------------------------------------------------------------------
+*	gmac_read_reg
+*----------------------------------------------------------------------*/
+static inline unsigned int gmac_read_reg(unsigned int base, unsigned int offset)
+//static unsigned int gmac_read_reg(unsigned int base, unsigned int offset)
+{
+    volatile unsigned int reg_val;
+
+    reg_val = readl(base + offset);
+	return (reg_val);
+}
+
+/*----------------------------------------------------------------------
+*	gmac_write_reg
+*----------------------------------------------------------------------*/
+static inline void gmac_write_reg(unsigned int base, unsigned int offset,unsigned int data,unsigned int bit_mask)
+//static void gmac_write_reg(unsigned int base, unsigned int offset,unsigned int data,unsigned int bit_mask)
+{
+	volatile unsigned int reg_val;
+    unsigned int *addr;
+
+	reg_val = ( gmac_read_reg(base, offset) & (~bit_mask) ) | (data & bit_mask);
+	addr = (unsigned int *)(base + offset);
+    writel(reg_val,addr);
+	return;
+}
+
+/*----------------------------------------------------------------------
+*	mac_init_drv
+*----------------------------------------------------------------------*/
+void mac_init_drv(void)
+{
+	TOE_INFO_T			*toe;
+	int					i;
+	QUEUE_THRESHOLD_T	threshold;
+	u32					*destp;
+	unsigned int		chip_id,chip_version;
+
+	chip_id = readl(GMAC_GLOBAL_BASE_ADDR+0x0);
+	chip_version = chip_id & 0x1 ;
+
+	if (!gmac_initialized)
+	{
+		gmac_initialized = 1;
+
+		// clear non TOE Queue Header Area
+		destp = (u32 *)TOE_NONTOE_QUE_HDR_BASE;
+		for (; destp < (u32 *)NONTOE_Q_HDR_AREA_END; destp++)
+			*destp = 0x00;
+
+		// clear TOE Queue Header Area
+		destp = (u32 *)TOE_TOE_QUE_HDR_BASE;
+		for (; destp < (u32 *)TOE_Q_HDR_AREA_END; destp++)
+			*destp = 0x00;
+
+		// init private data
+		toe = (TOE_INFO_T *)&toe_private_data;
+		memset((void *)toe, 0, sizeof(TOE_INFO_T));
+		toe->gmac[0].base_addr = GMAC0_BASE;
+		toe->gmac[1].base_addr = GMAC1_BASE;
+		toe->gmac[0].dma_base_addr = TOE_GMAC0_DMA_BASE;
+		toe->gmac[1].dma_base_addr = TOE_GMAC1_DMA_BASE;
+        toe->gmac[0].auto_nego_cfg = 1;
+        toe->gmac[1].auto_nego_cfg = 1;
+#ifdef CONFIG_SL3516_ASIC
+        toe->gmac[0].speed_cfg = GMAC_SPEED_1000;
+        toe->gmac[1].speed_cfg = GMAC_SPEED_1000;
+#else
+		toe->gmac[0].speed_cfg = GMAC_SPEED_100;
+        toe->gmac[1].speed_cfg = GMAC_SPEED_100;
+#endif
+        toe->gmac[0].full_duplex_cfg = 1;
+        toe->gmac[1].full_duplex_cfg = 1;
+#ifdef CONFIG_SL3516_ASIC
+        toe->gmac[0].phy_mode = GMAC_PHY_RGMII_1000;
+        toe->gmac[1].phy_mode = GMAC_PHY_RGMII_1000;
+#else
+		toe->gmac[0].phy_mode = GMAC_PHY_RGMII_100;
+        toe->gmac[1].phy_mode = GMAC_PHY_RGMII_100;
+#endif
+        toe->gmac[0].port_id = GMAC_PORT0;
+        toe->gmac[1].port_id = GMAC_PORT1;
+        toe->gmac[0].phy_addr = 0x1;
+        toe->gmac[1].phy_addr = 2;
+//      toe->gmac[0].irq = SL2312_INTERRUPT_GMAC0;
+		toe->gmac[0].irq =1;
+//      toe->gmac[1].irq = SL2312_INTERRUPT_GMAC1;
+		toe->gmac[1].irq =2;
+        toe->gmac[0].mac_addr1 = &eth_mac[0][0];
+        toe->gmac[1].mac_addr1 = &eth_mac[1][0];
+
+		for (i=0; i<CONFIG_MAC_NUM; i++)
+		{
+			unsigned int data, phy_vendor;
+			gmac_write_reg(toe->gmac[i].base_addr, GMAC_STA_ADD2, 0x55aa55aa, 0xffffffff);
+			data = gmac_read_reg(toe->gmac[i].base_addr, GMAC_STA_ADD2);
+			if (data == 0x55aa55aa)
+			{
+#ifdef VITESSE_G5SWITCH
+				if(Giga_switch && (i==1)){
+					toe->gmac[i].existed = GMAC_EXISTED_FLAG;
+					break;
+				}
+#endif
+				phy_vendor = gmac_get_phy_vendor(toe->gmac[i].phy_addr);
+				if (phy_vendor != 0 && phy_vendor != 0xffffffff)
+					toe->gmac[i].existed = GMAC_EXISTED_FLAG;
+			}
+		}
+
+		// Write GLOBAL_QUEUE_THRESHOLD_REG
+		threshold.bits32 = 0;
+		threshold.bits.swfq_empty = (TOE_SW_FREEQ_DESC_NUM > 256) ? 255 :
+		                                        TOE_SW_FREEQ_DESC_NUM/2;
+		threshold.bits.hwfq_empty = (TOE_HW_FREEQ_DESC_NUM > 256) ? 256/4 :
+		                                        TOE_HW_FREEQ_DESC_NUM/4;
+		threshold.bits.toe_class = (TOE_TOE_DESC_NUM > 256) ? 256/4 :
+		                                        TOE_TOE_DESC_NUM/4;
+		threshold.bits.intrq = (TOE_INTR_DESC_NUM > 256) ? 256/4 :
+		                                        TOE_INTR_DESC_NUM/4;
+		writel(threshold.bits32, TOE_GLOBAL_BASE + GLOBAL_QUEUE_THRESHOLD_REG);
+
+		FLAG_SWITCH = 0;
+		toe_gmac_sw_reset();
+		toe_init_free_queue();
+		toe_init_swtx_queue();
+#ifdef CONFIG_SL351x_NAT
+		toe_init_hwtx_queue();
+#endif
+		toe_init_default_queue();
+#ifdef CONFIG_SL351x_RXTOE
+		toe_init_interrupt_queue();
+#endif
+		toe_init_interrupt_config();
+
+#if defined(CONFIG_SL351x_NAT) || defined(CONFIG_SL351x_RXTOE)
+		sl351x_hash_init();
+#else
+	{
+		volatile u32 *dp1, *dp2, dword;
+
+		dp1 = (volatile u32 *) TOE_V_BIT_BASE;
+		dp2 = (volatile u32 *) TOE_A_BIT_BASE;
+
+		for (i=0; i<HASH_TOTAL_ENTRIES/32; i++)
+		{
+			*dp1++ = 0;
+			dword = *dp2++;	// read-clear
+		}
+	}
+#endif
+	}
+
+#ifdef SL351x_GMAC_WORKAROUND
+#ifdef CONFIG_SL351x_NAT
+	sl351x_nat_workaround_init();
+#endif
+	init_timer(&gmac_workround_timer_obj);
+	if (chip_version == 1)
+	{
+		gmac_workround_timer_obj.expires = jiffies * 50;
+	}
+	else
+	{
+		gmac_workround_timer_obj.expires = jiffies + 2;
+	}
+	gmac_workround_timer_obj.data = (unsigned long)&gmac_workround_timer_obj;
+	gmac_workround_timer_obj.function = (void *)&sl351x_poll_gmac_hanged_status;
+	add_timer(&gmac_workround_timer_obj);
+#endif
+}
+
+/*----------------------------------------------------------------------
+*	toe_init_free_queue
+*	(1) Initialize the Free Queue Descriptor Base Address & size
+*		Register: TOE_GLOBAL_BASE + 0x0004
+*	(2) Initialize DMA Read/Write pointer for
+*		SW Free Queue and HW Free Queue
+*	(3)	Initialize DMA Descriptors for
+*		SW Free Queue and HW Free Queue,
+*----------------------------------------------------------------------*/
+static void toe_init_free_queue(void)
+{
+	int 				i;
+	TOE_INFO_T			*toe;
+	DMA_RWPTR_T			rwptr_reg;
+//	unsigned int 		rwptr_addr;
+	unsigned int		desc_buf;
+	GMAC_RXDESC_T		*sw_desc_ptr;
+	struct sk_buff 		*skb;
+#ifdef CONFIG_SL351x_NAT
+	GMAC_RXDESC_T		*desc_ptr;
+	unsigned int		buf_ptr;
+#endif
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	desc_buf = (unsigned int)DMA_MALLOC((TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T)),
+						(dma_addr_t *)&toe->sw_freeq_desc_base_dma) ;
+	sw_desc_ptr = (GMAC_RXDESC_T *)desc_buf;
+	if (!desc_buf)
+	{
+		printk("%s::DMA_MALLOC fail !\n",__func__);
+		return;
+	}
+	memset((void *)desc_buf, 0, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T));
+
+	// DMA Queue Base & Size
+	writel((toe->sw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_SW_FREEQ_DESC_POWER,
+			TOE_GLOBAL_BASE + GLOBAL_SW_FREEQ_BASE_SIZE_REG);
+
+	// init descriptor base
+	toe->swfq_desc_base = desc_buf;
+
+	// SW Free Queue Read/Write Pointer
+	rwptr_reg.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1;
+	rwptr_reg.bits.rptr = 0;
+	toe->fq_rx_rwptr.bits32 = rwptr_reg.bits32;
+	writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+
+	// SW Free Queue Descriptors
+	for (i=0; i<TOE_SW_FREEQ_DESC_NUM; i++)
+	{
+		sw_desc_ptr->word0.bits.buffer_size = SW_RX_BUF_SIZE;
+		sw_desc_ptr->word1.bits.sw_id = i;	// used to locate skb
+		if ( (skb = dev_alloc_skb(SW_RX_BUF_SIZE))==NULL)  /* allocate socket buffer */
+		{
+			printk("%s::skb buffer allocation fail !\n",__func__); while(1);
+		}
+		REG32(skb->data) = (unsigned int)skb;
+		skb_reserve(skb, SKB_RESERVE_BYTES);
+		// toe->rx_skb[i] = skb;
+		sw_desc_ptr->word2.buf_adr = (unsigned int)__pa(skb->data);
+//   		consistent_sync((unsigned int)desc_ptr, sizeof(GMAC_RXDESC_T), PCI_DMA_TODEVICE);
+   		sw_desc_ptr++;
+	}
+
+#ifdef CONFIG_SL351x_NAT
+	if (sizeof(skb->cb) < 64)
+	{
+			printk("==> %s:: sk structure is incorrect -->Change to cb[64] !\n",__func__); while(1);
+	}
+	// init hardware free queues
+	desc_buf = (unsigned int)DMA_MALLOC((TOE_HW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T)),
+						(dma_addr_t *)&toe->hw_freeq_desc_base_dma) ;
+	desc_ptr = (GMAC_RXDESC_T *)desc_buf;
+	if (!desc_buf)
+	{
+		printk("%s::DMA_MALLOC fail !\n",__func__);
+		return;
+	}
+	memset((void *)desc_buf, 0, TOE_HW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T));
+
+	// DMA Queue Base & Size
+	writel((toe->hw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_HW_FREEQ_DESC_POWER,
+			TOE_GLOBAL_BASE + GLOBAL_HW_FREEQ_BASE_SIZE_REG);
+
+	// init descriptor base
+	toe->hwfq_desc_base = desc_buf;
+
+	// HW Free Queue Read/Write Pointer
+	rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1;
+	rwptr_reg.bits.rptr = 0;
+	writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
+#ifndef HW_RXBUF_BY_KMALLOC
+	buf_ptr = (unsigned int)DMA_MALLOC(TOE_HW_FREEQ_DESC_NUM * HW_RX_BUF_SIZE,
+						(dma_addr_t *)&toe->hwfq_buf_base_dma);
+#else
+	buf_ptr = (unsigned int)kmalloc(TOE_HW_FREEQ_DESC_NUM * HW_RX_BUF_SIZE, GFP_KERNEL);
+	toe->hwfq_buf_base_dma = __pa(buf_ptr);
+#endif
+	if (!buf_ptr)
+	{
+		printk("===> %s::Failed to allocate HW TxQ Buffers!\n",__func__);
+		while(1);	// could not be happened, if happened, adjust the buffer descriptor number
+		return;
+	}
+
+	toe->hwfq_buf_base = buf_ptr;
+	toe->hwfq_buf_end_dma = toe->hwfq_buf_base_dma + (TOE_HW_FREEQ_DESC_NUM * HW_RX_BUF_SIZE);
+	buf_ptr = (unsigned int)toe->hwfq_buf_base_dma;
+	for (i=0; i<TOE_HW_FREEQ_DESC_NUM; i++)
+	{
+		desc_ptr->word0.bits.buffer_size = HW_RX_BUF_SIZE;
+		desc_ptr->word1.bits.sw_id = i;
+		desc_ptr->word2.buf_adr = (unsigned int)buf_ptr;
+//   		consistent_sync((unsigned int)desc_ptr, sizeof(GMAC_RXDESC_T), PCI_DMA_TODEVICE);
+   		// consistent_sync((unsigned int)buf_ptr, HW_RX_BUF_SIZE, PCI_DMA_TODEVICE);
+   		desc_ptr++;
+   		buf_ptr += HW_RX_BUF_SIZE;
+	}
+#else
+	// DMA Queue Base & Size
+	writel((0) | TOE_SW_FREEQ_DESC_POWER,
+			TOE_GLOBAL_BASE + GLOBAL_HW_FREEQ_BASE_SIZE_REG);
+	rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1;
+	rwptr_reg.bits.rptr = 0;
+	writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
+
+#endif
+}
+/*----------------------------------------------------------------------
+*	toe_init_swtx_queue
+*	(2) Initialize the GMAC 0/1 SW TXQ Queue Descriptor Base Address & sizeup
+*		GMAC_SW_TX_QUEUE_BASE_REG(0x0050)
+*	(2) Initialize DMA Read/Write pointer for
+*		GMAC 0/1 SW TX Q0-5
+*----------------------------------------------------------------------*/
+static void toe_init_swtx_queue(void)
+{
+	int 				i;
+	TOE_INFO_T			*toe;
+	DMA_RWPTR_T			rwptr_reg;
+	unsigned int 		rwptr_addr;
+	unsigned int		desc_buf;
+
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+
+	// GMAC-0, SW-TXQ
+	// The GMAC-0 and GMAC-0 maybe have different descriptor number
+	// so, not use for instruction
+	desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T)),
+						(dma_addr_t *)&toe->gmac[0].swtxq_desc_base_dma) ;
+	toe->gmac[0].swtxq_desc_base = desc_buf;
+	if (!desc_buf)
+	{
+		printk("%s::DMA_MALLOC fail !\n",__func__);
+		return	;
+	}
+	memset((void *)desc_buf, 0,	TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
+	writel((toe->gmac[0].swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC0_SWTXQ_DESC_POWER,
+			TOE_GMAC0_DMA_BASE+ GMAC_SW_TX_QUEUE_BASE_REG);
+
+	// GMAC0 SW TX Q0-Q5
+	rwptr_reg.bits.wptr = 0;
+	rwptr_reg.bits.rptr = 0;
+	rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_SW_TX_QUEUE0_PTR_REG;
+	for (i=0; i<TOE_SW_TXQ_NUM; i++)
+	{
+		toe->gmac[0].swtxq[i].rwptr_reg = rwptr_addr;
+		toe->gmac[0].swtxq[i].desc_base = desc_buf;
+		toe->gmac[0].swtxq[i].total_desc_num = TOE_GMAC0_SWTXQ_DESC_NUM;
+		desc_buf += TOE_GMAC0_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
+		writel(rwptr_reg.bits32, rwptr_addr);
+		rwptr_addr+=4;
+	}
+
+	// GMAC-1, SW-TXQ
+	desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC1_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T)),
+						(dma_addr_t *)&toe->gmac[1].swtxq_desc_base_dma) ;
+	toe->gmac[1].swtxq_desc_base = desc_buf;
+	if (!desc_buf)
+	{
+		printk("%s::DMA_MALLOC fail !\n",__func__);
+		return	;
+	}
+	memset((void *)desc_buf, 0,	TOE_GMAC1_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
+	writel((toe->gmac[1].swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC1_SWTXQ_DESC_POWER,
+			TOE_GMAC1_DMA_BASE+ GMAC_SW_TX_QUEUE_BASE_REG);
+
+
+	// GMAC1 SW TX Q0-Q5
+	rwptr_reg.bits.wptr = 0;
+	rwptr_reg.bits.rptr = 0;
+	rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_SW_TX_QUEUE0_PTR_REG;
+	for (i=0; i<TOE_SW_TXQ_NUM; i++)
+	{
+		toe->gmac[1].swtxq[i].rwptr_reg = rwptr_addr;
+		toe->gmac[1].swtxq[i].desc_base = desc_buf;
+		toe->gmac[1].swtxq[i].total_desc_num = TOE_GMAC1_SWTXQ_DESC_NUM;
+		desc_buf += TOE_GMAC1_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
+		writel(rwptr_reg.bits32, rwptr_addr);
+		rwptr_addr+=4;
+	}
+}
+
+/*----------------------------------------------------------------------
+*	toe_init_hwtx_queue
+*	(2) Initialize the GMAC 0/1 HW TXQ Queue Descriptor Base Address & size
+*		GMAC_HW_TX_QUEUE_BASE_REG(0x0054)
+*	(2) Initialize DMA Read/Write pointer for
+*		GMAC 0/1 HW TX Q0-5
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_NAT
+static void toe_init_hwtx_queue(void)
+{
+	int 				i;
+	TOE_INFO_T			*toe;
+	DMA_RWPTR_T			rwptr_reg;
+	unsigned int 		rwptr_addr;
+	unsigned int		desc_buf;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	// GMAC-0, HW-TXQ
+	// The GMAC-0 and GMAC-0 maybe have different descriptor number
+	// so, not use for instruction
+	desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC0_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T)),
+						(dma_addr_t *)&toe->gmac[0].hwtxq_desc_base_dma) ;
+	toe->gmac[0].hwtxq_desc_base = desc_buf;
+	if (!desc_buf)
+	{
+		printk("%s::DMA_MALLOC fail !\n",__func__);
+		return	;
+	}
+	memset((void *)desc_buf, 0,	TOE_GMAC0_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
+	writel((toe->gmac[0].hwtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC0_HWTXQ_DESC_POWER,
+			TOE_GMAC0_DMA_BASE+ GMAC_HW_TX_QUEUE_BASE_REG);
+
+	// GMAC0 HW TX Q0-Q5
+	rwptr_reg.bits.wptr = 0;
+	rwptr_reg.bits.rptr = 0;
+	rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
+	for (i=0; i<TOE_HW_TXQ_NUM; i++)
+	{
+		toe->gmac[0].hwtxq[i].desc_base = desc_buf;
+		desc_buf += TOE_GMAC0_HWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
+		writel(rwptr_reg.bits32, rwptr_addr);
+		rwptr_addr+=4;
+	}
+
+	// GMAC-1, HW-TXQ
+	desc_buf = (unsigned int)DMA_MALLOC((TOE_GMAC1_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T)),
+						(dma_addr_t *)&toe->gmac[1].hwtxq_desc_base_dma) ;
+	toe->gmac[1].hwtxq_desc_base = desc_buf;
+	if (!desc_buf)
+	{
+		printk("%s::DMA_MALLOC fail !\n",__func__);
+		return	;
+	}
+	memset((void *)desc_buf, 0,	TOE_GMAC1_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T));
+	writel((toe->gmac[1].hwtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC1_HWTXQ_DESC_POWER,
+			TOE_GMAC1_DMA_BASE+ GMAC_HW_TX_QUEUE_BASE_REG);
+
+	// GMAC1 HW TX Q0-Q5
+	rwptr_reg.bits.wptr = 0;
+	rwptr_reg.bits.rptr = 0;
+	rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
+	for (i=0; i<TOE_HW_TXQ_NUM; i++)
+	{
+		toe->gmac[1].hwtxq[i].desc_base = desc_buf;
+		desc_buf += TOE_GMAC1_HWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T);
+		writel(rwptr_reg.bits32, rwptr_addr);
+		rwptr_addr+=4;
+	}
+}
+#endif
+
+/*----------------------------------------------------------------------
+*	toe_init_default_queue
+*	(1) Initialize the default 0/1 Queue Header
+*		Register: TOE_DEFAULT_Q0_HDR_BASE (0x60002000)
+*				  TOE_DEFAULT_Q1_HDR_BASE (0x60002008)
+*	(2)	Initialize Descriptors of Default Queue 0/1
+*----------------------------------------------------------------------*/
+static void toe_init_default_queue(void)
+{
+	TOE_INFO_T				*toe;
+	volatile NONTOE_QHDR_T	*qhdr;
+	GMAC_RXDESC_T			*desc_ptr;
+	DMA_SKB_SIZE_T			skb_size;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	desc_ptr = (GMAC_RXDESC_T *)DMA_MALLOC((TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_RXDESC_T)),
+											(dma_addr_t *)&toe->gmac[0].default_desc_base_dma);
+	if (!desc_ptr)
+	{
+		printk("%s::DMA_MALLOC fail !\n",__func__);
+		return	;
+	}
+	memset((void *)desc_ptr, 0, TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_RXDESC_T));
+	toe->gmac[0].default_desc_base = (unsigned int)desc_ptr;
+	toe->gmac[0].default_desc_num = TOE_DEFAULT_Q0_DESC_NUM;
+	qhdr = (volatile NONTOE_QHDR_T *)TOE_DEFAULT_Q0_HDR_BASE;
+	qhdr->word0.base_size = ((unsigned int)toe->gmac[0].default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q0_DESC_POWER;
+	qhdr->word1.bits32 = 0;
+	toe->gmac[0].rx_rwptr.bits32 = 0;
+	toe->gmac[0].default_qhdr = (NONTOE_QHDR_T *)qhdr;
+	desc_ptr = (GMAC_RXDESC_T *)DMA_MALLOC((TOE_DEFAULT_Q1_DESC_NUM * sizeof(GMAC_RXDESC_T)),
+											(dma_addr_t *)&toe->gmac[1].default_desc_base_dma);
+	if (!desc_ptr)
+	{
+		printk("%s::DMA_MALLOC fail !\n",__func__);
+		return	;
+	}
+	memset((void *)desc_ptr, 0, TOE_DEFAULT_Q1_DESC_NUM * sizeof(GMAC_RXDESC_T));
+	toe->gmac[1].default_desc_base = (unsigned int)desc_ptr;
+	toe->gmac[1].default_desc_num = TOE_DEFAULT_Q1_DESC_NUM;
+	qhdr = (volatile NONTOE_QHDR_T *)TOE_DEFAULT_Q1_HDR_BASE;
+	qhdr->word0.base_size = ((unsigned int)toe->gmac[1].default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q1_DESC_POWER;
+	qhdr->word1.bits32 = 0;
+	toe->gmac[1].rx_rwptr.bits32 = 0;
+	toe->gmac[1].default_qhdr = (NONTOE_QHDR_T *)qhdr;
+
+	skb_size.bits.hw_skb_size = HW_RX_BUF_SIZE;
+	skb_size.bits.sw_skb_size = SW_RX_BUF_SIZE;
+	writel(skb_size.bits32, TOE_GLOBAL_BASE + GLOBAL_DMA_SKB_SIZE_REG);
+}
+
+/*----------------------------------------------------------------------
+*	toe_init_interrupt_queue
+*	(1) Initialize the Interrupt Queue Header
+*		Register: TOE_INTR_Q_HDR_BASE (0x60002080)
+*	(2)	Initialize Descriptors of Interrupt Queues
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_RXTOE
+static void toe_init_interrupt_queue(void)
+{
+	TOE_INFO_T				*toe;
+	volatile NONTOE_QHDR_T	*qhdr;
+	INTR_QHDR_T				*desc_ptr;
+	// unsigned int			desc_buf_addr;
+	int						i;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	desc_ptr = (INTR_QHDR_T *)DMA_MALLOC((TOE_INTR_QUEUE_NUM * TOE_INTR_DESC_NUM * sizeof(INTR_QHDR_T)),
+											(dma_addr_t *)&toe->intr_desc_base_dma);
+	if (!desc_ptr)
+	{
+		printk("%s::DMA_MALLOC interrupt queue fail !\n",__func__);
+		return	;
+	}
+	/*
+	desc_buf_addr = (unsigned int)DMA_MALLOC((TOE_INTR_DESC_NUM * sizeof(TOE_QHDR_T)),
+												(dma_addr_t *)&toe->intr_buf_base_dma);
+	if (!desc_buf_addr)
+	{
+		printk("%s::DMA_MALLOC interrupt desc fail !\n",__func__);
+		return	;
+	}*/
+	printk("#### %s::Intr Q desc %x\n", __func__, (u32)desc_ptr);
+
+	memset((void *)desc_ptr, 0, TOE_INTR_QUEUE_NUM * TOE_INTR_DESC_NUM * sizeof(INTR_QHDR_T));
+//	memset((void *)desc_buf_addr, 0, TOE_INTR_DESC_NUM * sizeof(TOE_QHDR_T));
+	toe->intr_desc_base = (unsigned int)desc_ptr;
+	toe->intr_desc_num = TOE_INTR_DESC_NUM;
+
+	qhdr = (volatile NONTOE_QHDR_T *)TOE_INTR_Q_HDR_BASE;
+//	intrq = (INTRQ_INFO_T*) &toe->intrq[0];
+	for (i=0; i<TOE_INTR_QUEUE_NUM; i++, qhdr++)
+	{
+		qhdr->word0.base_size = ((unsigned int)toe->intr_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_INTR_DESC_POWER;
+		qhdr->word1.bits32 = 0;
+		desc_ptr += TOE_INTR_DESC_NUM;
+	}
+}
+
+#endif
+
+/*----------------------------------------------------------------------
+*	toe_init_interrupt_config
+*	Interrupt Select Registers are used to map interrupt to int0 or int1
+*	Int0 and int1 are wired to CPU 0/1 GMAC 0/1
+* 	Interrupt Device Inteface data are used to pass device info to
+*		upper device deiver or store status/statistics
+*	ISR handler
+*		(1) If status bit ON but masked, the prinf error message (bug issue)
+*		(2) If select bits are for me, handle it, else skip to let
+*			the other ISR handles it.
+*  Notes:
+*		GMACx init routine (for eCOS) or open routine (for Linux)
+*       enable the interrupt bits only which are selected for him.
+*
+*	Default Setting:
+*		GMAC0 intr bits ------>	int0 ----> eth0
+*		GMAC1 intr bits ------> int1 ----> eth1
+*		TOE intr -------------> int0 ----> eth0
+*		Classification Intr --> int0 ----> eth0
+*		Default Q0 -----------> int0 ----> eth0
+*		Default Q1 -----------> int1 ----> eth1
+*----------------------------------------------------------------------*/
+static void toe_init_interrupt_config(void)
+{
+	// clear all status bits
+	writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG);
+	writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
+	writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG);
+	writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG);
+	writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
+
+	// Init select registers
+	writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG);
+	writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG);
+	writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG);
+	writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG);
+	writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+
+	// disable all interrupt
+	writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_0_REG);
+	writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+	writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_2_REG);
+	writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_3_REG);
+	writel(0, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+}
+
+/*----------------------------------------------------------------------
+*	toe_init_gmac
+*----------------------------------------------------------------------*/
+static void toe_init_gmac(struct net_device *dev)
+{
+	GMAC_INFO_T		*tp = dev->priv;
+	TOE_INFO_T		*toe;
+	u32 			data;
+
+	if (!gmac_initialized)
+		return ;
+
+	if (!tp->existed)
+		return;
+
+	tp->dev = dev;
+	tp->flow_control_enable = 1;
+	tp->pre_phy_status = LINK_DOWN;
+	tp->full_duplex_status = tp->full_duplex_cfg;
+	tp->speed_status = tp->speed_status;
+
+#if 0
+   /* get mac address from FLASH */
+    gmac_get_mac_address();
+#endif
+
+    /* set PHY register to start autonegition process */
+    gmac_set_phy_status(dev);
+
+	/* GMAC initialization */
+	if ( toe_gmac_init_chip(dev) )
+	{
+		printk ("GMAC %d init fail\n", tp->port_id);
+	}
+
+    /* clear statistic counter */
+    toe_gmac_clear_counter(dev);
+
+	memset((void *)&tp->ifStatics, 0, sizeof(struct net_device_stats));
+
+	/* -----------------------------------------------------------
+	Enable GMAC interrupt & disable loopback
+	Notes:
+		GMACx init routine (for eCOS) or open routine (for Linux)
+		enable the interrupt bits only which are selected for him.
+	--------------------------------------------------------------*/
+	toe = (TOE_INFO_T *)&toe_private_data;
+
+	// Enable Interrupt Bits
+	if (tp->port_id == 0)
+	{
+		tp->intr0_selected =	GMAC0_TXDERR_INT_BIT	 | GMAC0_TXPERR_INT_BIT		|
+	                         	GMAC0_RXDERR_INT_BIT	 | GMAC0_RXPERR_INT_BIT		|
+	                            GMAC0_SWTQ05_FIN_INT_BIT | GMAC0_SWTQ05_EOF_INT_BIT |
+	                            GMAC0_SWTQ04_FIN_INT_BIT | GMAC0_SWTQ04_EOF_INT_BIT |
+	                            GMAC0_SWTQ03_FIN_INT_BIT | GMAC0_SWTQ03_EOF_INT_BIT |
+	                            GMAC0_SWTQ02_FIN_INT_BIT | GMAC0_SWTQ02_EOF_INT_BIT |
+	                            GMAC0_SWTQ01_FIN_INT_BIT | GMAC0_SWTQ01_EOF_INT_BIT |
+	                            GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT;
+
+#ifdef GMAX_TX_INTR_DISABLED
+	    tp->intr0_enabled =		0;
+#else
+	    tp->intr0_enabled =		GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT;
+#endif
+
+	    tp->intr1_selected =	TOE_IQ_ALL_BITS			 | TOE_CLASS_RX_INT_BITS	|
+	    						GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT |
+	    						GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT |
+	    						DEFAULT_Q0_INT_BIT;
+	    tp->intr1_enabled = 	DEFAULT_Q0_INT_BIT | TOE_IQ_ALL_BITS;
+	    tp->intr2_selected = 	0xffffffff;	 // TOE Queue 32-63 FUUL Intr
+	    tp->intr2_enabled = 	0xffffffff;
+	    tp->intr3_selected = 	0xffffffff;	 // TOE Queue 0-31 FUUL Intr
+	    tp->intr3_enabled = 	0xffffffff;
+	    tp->intr4_selected = 	GMAC0_INT_BITS | CLASS_RX_FULL_INT_BITS |
+	    						HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT;
+	    tp->intr4_enabled = 	GMAC0_INT_BITS | SWFQ_EMPTY_INT_BIT;
+
+	    data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG) & ~tp->intr0_selected;
+	    writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG);
+	    data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG) & ~tp->intr1_selected;
+	    writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG);
+	    data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG) & ~tp->intr2_selected;
+	    writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG);
+	    data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG) & ~tp->intr3_selected;
+	    writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG);
+	    data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG) & ~tp->intr4_selected;
+	    writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+	}
+	else
+	{
+		tp->intr0_selected =	GMAC1_TXDERR_INT_BIT	 | GMAC1_TXPERR_INT_BIT		|
+	                         	GMAC1_RXDERR_INT_BIT	 | GMAC1_RXPERR_INT_BIT		|
+	                            GMAC1_SWTQ15_FIN_INT_BIT | GMAC1_SWTQ15_EOF_INT_BIT |
+	                            GMAC1_SWTQ14_FIN_INT_BIT | GMAC1_SWTQ14_EOF_INT_BIT |
+	                            GMAC1_SWTQ13_FIN_INT_BIT | GMAC1_SWTQ13_EOF_INT_BIT |
+	                            GMAC1_SWTQ12_FIN_INT_BIT | GMAC1_SWTQ12_EOF_INT_BIT |
+	                            GMAC1_SWTQ11_FIN_INT_BIT | GMAC1_SWTQ11_EOF_INT_BIT |
+	                            GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT;
+#ifdef GMAX_TX_INTR_DISABLED
+	    tp->intr0_enabled =		0;
+#else
+	    tp->intr0_enabled =		GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT;
+#endif
+
+	    tp->intr1_selected =	DEFAULT_Q1_INT_BIT;
+	    tp->intr1_enabled = 	DEFAULT_Q1_INT_BIT | TOE_IQ_ALL_BITS;
+	    tp->intr2_selected = 	0;	 // TOE Queue 32-63 FUUL Intr
+	    tp->intr2_enabled = 	0;
+	    tp->intr3_selected = 	0;	 // TOE Queue 0-31 FUUL Intr
+	    tp->intr3_enabled = 	0;
+	    tp->intr4_selected = 	GMAC1_INT_BITS;
+	    tp->intr4_enabled = 	GMAC1_INT_BITS;
+
+	    if (toe->gmac[0].existed != GMAC_EXISTED_FLAG)
+	    {
+	    	tp->intr1_selected	|= 	TOE_IQ_ALL_BITS | TOE_CLASS_RX_INT_BITS	|
+	    						  	GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT |
+	    						  	GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT;
+	    	tp->intr1_enabled	|= 	TOE_IQ_ALL_BITS;
+	    	tp->intr2_selected	|= 	0xffffffff;	 // TOE Queue 32-63 FUUL Intr
+	    	tp->intr2_enabled	|= 	0xffffffff;
+	    	tp->intr3_selected	|= 	0xffffffff;	 // TOE Queue 0-31 FUUL Intr
+	    	tp->intr3_enabled	|= 	0xffffffff;
+	    	tp->intr4_selected 	|= 	CLASS_RX_FULL_INT_BITS |
+	    							HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT;
+	    	tp->intr4_enabled	|= 	SWFQ_EMPTY_INT_BIT;
+		}
+	    data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG) | tp->intr0_selected;
+	    writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_0_REG);
+	    data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG) | tp->intr1_selected;
+	    writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_1_REG);
+	    data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG) | tp->intr2_selected;
+	    writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_2_REG);
+	    data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG) | tp->intr3_selected;
+	    writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG);
+	    data = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG) | tp->intr4_selected;
+	    writel(data, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+	}
+
+	// enable only selected bits
+	gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_0_REG,
+					tp->intr0_enabled, tp->intr0_selected);
+	gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_1_REG,
+					tp->intr1_enabled, tp->intr1_selected);
+	gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_2_REG,
+					tp->intr2_enabled, tp->intr2_selected);
+	gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_3_REG,
+					tp->intr3_enabled, tp->intr3_selected);
+	gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG,
+					tp->intr4_enabled, tp->intr4_selected);
+
+    /* start DMA process */
+	toe_gmac_hw_start(dev);
+
+    /* enable tx/rx register */
+    toe_gmac_enable_tx_rx(dev);
+
+//	toe_gmac_enable_interrupt(tp->irq);
+
+    return ;
+}
+
+
+/*----------------------------------------------------------------------
+* toe_gmac_sw_reset
+*----------------------------------------------------------------------*/
+static void toe_gmac_sw_reset(void)
+{
+	unsigned int	reg_val;
+	reg_val = readl(GMAC_GLOBAL_BASE_ADDR+GLOBAL_RESET_REG) | 0x00000060;   /* GMAC0 S/W reset */
+    writel(reg_val,GMAC_GLOBAL_BASE_ADDR+GLOBAL_RESET_REG);
+    udelay(100);
+    return;
+}
+
+/*----------------------------------------------------------------------
+*	toe_gmac_init_chip
+*----------------------------------------------------------------------*/
+static int toe_gmac_init_chip(struct net_device *dev)
+{
+	GMAC_INFO_T 	*tp = dev->priv;
+	GMAC_CONFIG2_T	config2_val;
+	GMAC_CONFIG0_T	config0,config0_mask;
+	GMAC_CONFIG1_T	config1;
+	#ifdef CONFIG_SL351x_NAT
+	GMAC_CONFIG3_T	config3_val;
+	#endif
+	GMAC_TX_WCR0_T	hw_weigh;
+	GMAC_TX_WCR1_T	sw_weigh;
+//	GMAC_HASH_ENABLE_REG0_T hash_ctrl;
+//
+#if 0 /* mac address will be set in late_initcall */
+	struct sockaddr sock;
+	// GMAC_AHB_WEIGHT_T	ahb_weight, ahb_weight_mask;
+
+
+	/* set station MAC address1 and address2 */
+	memcpy(&sock.sa_data[0],&eth_mac[tp->port_id][0],6);
+	gmac_set_mac_address(dev,(void *)&sock);
+#endif
+
+	/* set RX_FLTR register to receive all multicast packet */
+	gmac_write_reg(tp->base_addr, GMAC_RX_FLTR, 0x00000007,0x0000001f);
+	//    gmac_write_reg(tp->base_addr, GMAC_RX_FLTR, 0x00000007,0x0000001f);
+	//gmac_write_reg(tp->base_addr, GMAC_RX_FLTR,0x00000007,0x0000001f);
+
+	/* set per packet buffer size */
+	//	config1.bits32 = 0x002004;	//next version
+	/* set flow control threshold */
+	config1.bits32 = 0;
+	config1.bits.set_threshold = 32 / 2;
+	config1.bits.rel_threshold = 32 / 4 * 3;
+	gmac_write_reg(tp->base_addr, GMAC_CONFIG1, config1.bits32, 0xffffffff);
+
+	/* set flow control threshold */
+	config2_val.bits32 = 0;
+	config2_val.bits.set_threshold = TOE_SW_FREEQ_DESC_NUM/2;
+	config2_val.bits.rel_threshold = TOE_SW_FREEQ_DESC_NUM*3/4;
+	gmac_write_reg(tp->base_addr, GMAC_CONFIG2, config2_val.bits32,0xffffffff);
+
+	#ifdef CONFIG_SL351x_NAT
+	/* set HW free queue flow control threshold */
+	config3_val.bits32 = 0;
+	config3_val.bits.set_threshold = PAUSE_SET_HW_FREEQ;
+	config3_val.bits.rel_threshold = PAUSE_REL_HW_FREEQ;
+	gmac_write_reg(tp->base_addr, GMAC_CONFIG3, config3_val.bits32,0xffffffff);
+	#endif
+	/* set_mcast_filter mask*/
+	//	gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL0,0x0,0xffffffff);
+	//  gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL1,0x0,0xffffffff);
+
+	/* disable TX/RX and disable internal loop back */
+	config0.bits32 = 0;
+	config0_mask.bits32 = 0;
+
+	//debug_Aaron
+#ifdef	L2_jumbo_frame
+	config0.bits.max_len = 5;
+#else
+	config0.bits.max_len = 2;
+#endif
+
+	if (tp->flow_control_enable==1)
+	{
+		config0.bits.tx_fc_en = 1; /* enable tx flow control */
+		config0.bits.rx_fc_en = 1; /* enable rx flow control */
+		printk("Enable MAC Flow Control...\n");
+	}
+	else
+	{
+		config0.bits.tx_fc_en = 0; /* disable tx flow control */
+		config0.bits.rx_fc_en = 0; /* disable rx flow control */
+		printk("Disable MAC Flow Control...\n");
+	}
+	config0.bits.dis_rx = 1;  /* disable rx */
+	config0.bits.dis_tx = 1;  /* disable tx */
+	config0.bits.loop_back = 0; /* enable/disable GMAC loopback */
+	config0.bits.rx_err_detect = 1;
+	config0.bits.rgmii_en = 0;
+	config0.bits.rgmm_edge = 1;
+	config0.bits.rxc_inv = 0;
+	config0.bits.ipv4_rx_chksum = 1;  /* enable H/W to check ip checksum */
+	config0.bits.ipv6_rx_chksum = 1;  /* enable H/W to check ip checksum */
+	config0.bits.port0_chk_hwq = 1;	// GaryChen 3/24/2006 2:26PM
+	config0.bits.port1_chk_hwq = 1;	// GaryChen 3/24/2006 2:26PM
+	config0.bits.port0_chk_toeq = 1;
+	config0.bits.port1_chk_toeq = 1;
+	config0.bits.port0_chk_classq = 1;
+	config0.bits.port1_chk_classq = 1;
+
+	config0_mask.bits.max_len = 7;
+	config0_mask.bits.tx_fc_en = 1;
+	config0_mask.bits.rx_fc_en = 1;
+	config0_mask.bits.dis_rx = 1;
+	config0_mask.bits.dis_tx = 1;
+	config0_mask.bits.loop_back = 1;
+	config0_mask.bits.rgmii_en = 1;
+	config0_mask.bits.rgmm_edge = 1;
+	config0_mask.bits.rxc_inv = 1;
+	config0_mask.bits.ipv4_rx_chksum = 1;
+	config0_mask.bits.ipv6_rx_chksum = 1;
+	config0_mask.bits.port0_chk_hwq = 1;
+	config0_mask.bits.port1_chk_hwq = 1;
+	config0_mask.bits.port0_chk_toeq = 1;
+	config0_mask.bits.port1_chk_toeq = 1;
+	config0_mask.bits.port0_chk_classq = 1;
+	config0_mask.bits.port1_chk_classq = 1;
+	config0_mask.bits.rx_err_detect = 1;
+
+	#if 0
+	config0.bits.dis_rx = 1;  /* disable rx */
+	config0.bits.dis_tx = 1;  /* disable tx */
+	config0.bits.loop_back = 0; /* enable/disable GMAC loopback */
+	config0.bits.txc_inv = 0;
+	config0.bits.rgmii_en = 0;
+	config0.bits.rgmm_edge = 1;
+	config0.bits.rxc_inv = 1;
+	config0.bits.ipv4_tss_rx_en = 1;  /* enable H/W to check ip checksum */
+	config0.bits.ipv6_tss_rx_en = 1;  /* enable H/W to check ip checksum */
+
+	config0_mask.bits.max_len = 3;
+	config0_mask.bits.tx_fc_en = 1;
+	config0_mask.bits.rx_fc_en = 1;
+	config0_mask.bits.dis_rx = 1;
+	config0_mask.bits.dis_tx = 1;
+	config0_mask.bits.loop_back = 1;
+	config0_mask.bits.rgmii_en = 1;
+	config0_mask.bits.rgmm_edge = 1;
+	config0_mask.bits.txc_inv = 1;
+	config0_mask.bits.rxc_inv = 1;
+	config0_mask.bits.ipv4_tss_rx_en = 1;
+	config0_mask.bits.ipv6_tss_rx_en = 1;
+	#endif
+
+	gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32);
+
+	#if 1
+	hw_weigh.bits32 = 0;
+	hw_weigh.bits.hw_tq3 = 1;
+	hw_weigh.bits.hw_tq2 = 1;
+	hw_weigh.bits.hw_tq1 = 1;
+	hw_weigh.bits.hw_tq0 = 1;
+	gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_0_REG, hw_weigh.bits32, 0xffffffff);
+
+	sw_weigh.bits32 = 0;
+	sw_weigh.bits.sw_tq5 = 1;
+	sw_weigh.bits.sw_tq4 = 1;
+	sw_weigh.bits.sw_tq3 = 1;
+	sw_weigh.bits.sw_tq2 = 1;
+	sw_weigh.bits.sw_tq1 = 1;
+	sw_weigh.bits.sw_tq0 = 1;
+	gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_1_REG, sw_weigh.bits32, 0xffffffff);
+	#endif
+
+	#if 0
+	ahb_weight.bits32 = 0;
+	ahb_weight_mask.bits32 = 0;
+	ahb_weight.bits.rx_weight = 1;
+	ahb_weight.bits.tx_weight = 1;
+	ahb_weight.bits.hash_weight = 1;
+	ahb_weight.bits.pre_req = 0x1f;
+	ahb_weight.bits.tqDV_threshold = 0;
+	ahb_weight_mask.bits.rx_weight = 0x1f;
+	ahb_weight_mask.bits.tx_weight = 0x1f;
+	ahb_weight_mask.bits.hash_weight = 0x1f;
+	ahb_weight_mask.bits.pre_req = 0x1f;
+	ahb_weight_mask.bits.tqDV_threshold = 0x1f;
+	gmac_write_reg(tp->dma_base_addr, GMAC_AHB_WEIGHT_REG, ahb_weight.bits32, ahb_weight_mask.bits32);
+	#endif
+
+	#if defined(CONFIG_SL351x_NAT) || defined(CONFIG_SL351x_RXTOE)
+	gmac_write_reg(tp->dma_base_addr, GMAC_SPR0, IPPROTO_TCP, 0xffffffff);
+	#endif
+	#ifdef CONFIG_SL351x_NAT
+	gmac_write_reg(tp->dma_base_addr, GMAC_SPR1, IPPROTO_UDP, 0xffffffff);
+	gmac_write_reg(tp->dma_base_addr, GMAC_SPR2, IPPROTO_GRE, 0xffffffff);
+	gmac_write_reg(tp->dma_base_addr, GMAC_SPR3, 0xff, 0xffffffff);
+	gmac_write_reg(tp->dma_base_addr, GMAC_SPR4, 0xff, 0xffffffff);
+	gmac_write_reg(tp->dma_base_addr, GMAC_SPR5, 0xff, 0xffffffff);
+	gmac_write_reg(tp->dma_base_addr, GMAC_SPR6, 0xff, 0xffffffff);
+	gmac_write_reg(tp->dma_base_addr, GMAC_SPR7, 0xff, 0xffffffff);
+
+	sl351x_nat_init();
+	#endif
+
+	#ifdef CONFIG_SL351x_RXTOE
+	/* setup matching rule to TOE */
+	sl351x_toe_init();
+	#endif
+
+	// for A1 ASIC version
+//	hash_ctrl.bits32 = 0;
+//	hash_ctrl.bits.timing = 6;
+//	gmac_write_reg(tp->dma_base_addr, GMAC_HASH_ENGINE_REG0, hash_ctrl.bits32, 0xffffffff);
+
+	return (0);
+}
+
+/*----------------------------------------------------------------------
+*	toe_gmac_enable_tx_rx
+*----------------------------------------------------------------------*/
+static void toe_gmac_enable_tx_rx(struct net_device *dev)
+{
+	GMAC_INFO_T		*tp = dev->priv;
+	GMAC_CONFIG0_T	config0,config0_mask;
+
+    /* enable TX/RX */
+    config0.bits32 = 0;
+    config0_mask.bits32 = 0;
+    config0.bits.dis_rx = 0;  /* enable rx */
+    config0.bits.dis_tx = 0;  /* enable tx */
+    config0_mask.bits.dis_rx = 1;
+    config0_mask.bits.dis_tx = 1;
+    gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32);
+}
+/*----------------------------------------------------------------------
+*	toe_gmac_disable_rx
+*----------------------------------------------------------------------*/
+#if 0
+static void toe_gmac_disable_rx(struct net_device *dev)
+{
+	GMAC_INFO_T		*tp = dev->priv;
+	GMAC_CONFIG0_T	config0,config0_mask;
+
+    /* enable TX/RX */
+    config0.bits32 = 0;
+    config0_mask.bits32 = 0;
+    config0.bits.dis_rx = 1;  /* disable rx */
+//    config0.bits.dis_tx = 1;  /* disable tx */
+    config0_mask.bits.dis_rx = 1;
+//     config0_mask.bits.dis_tx = 1;
+    gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32);
+}
+#endif
+/*----------------------------------------------------------------------
+*	toe_gmac_enable_rx
+*----------------------------------------------------------------------*/
+#if 0
+static void toe_gmac_enable_rx(struct net_device *dev)
+{
+	GMAC_INFO_T		*tp = dev->priv;
+	GMAC_CONFIG0_T	config0,config0_mask;
+
+    /* enable TX/RX */
+    config0.bits32 = 0;
+    config0_mask.bits32 = 0;
+    config0.bits.dis_rx = 0;  /* enable rx */
+//    config0.bits.dis_tx = 0;  /* enable tx */
+    config0_mask.bits.dis_rx = 1;
+//    config0_mask.bits.dis_tx = 1;
+    gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32);
+}
+#endif
+/*----------------------------------------------------------------------
+*	toe_gmac_disable_tx_rx
+*----------------------------------------------------------------------*/
+static void toe_gmac_disable_tx_rx(struct net_device *dev)
+{
+	GMAC_INFO_T		*tp = dev->priv;
+	GMAC_CONFIG0_T	config0,config0_mask;
+
+    /* enable TX/RX */
+    config0.bits32 = 0;
+    config0_mask.bits32 = 0;
+    config0.bits.dis_rx = 1;  /* disable rx */
+    config0.bits.dis_tx = 1;  /* disable tx */
+    config0_mask.bits.dis_rx = 1;
+    config0_mask.bits.dis_tx = 1;
+    gmac_write_reg(tp->base_addr, GMAC_CONFIG0, config0.bits32,config0_mask.bits32);
+}
+
+/*----------------------------------------------------------------------
+*	toe_gmac_hw_start
+*----------------------------------------------------------------------*/
+static void toe_gmac_hw_start(struct net_device *dev)
+{
+	GMAC_INFO_T				*tp = (GMAC_INFO_T *)dev->priv;
+	GMAC_DMA_CTRL_T			dma_ctrl, dma_ctrl_mask;
+
+
+    /* program dma control register */
+	dma_ctrl.bits32 = 0;
+	dma_ctrl.bits.rd_enable = 1;
+	dma_ctrl.bits.td_enable = 1;
+	dma_ctrl.bits.loopback = 0;
+	dma_ctrl.bits.drop_small_ack = 0;
+	dma_ctrl.bits.rd_prot = 0;
+	dma_ctrl.bits.rd_burst_size = 3;
+	dma_ctrl.bits.rd_insert_bytes = RX_INSERT_BYTES;
+	dma_ctrl.bits.rd_bus = 3;
+	dma_ctrl.bits.td_prot = 0;
+	dma_ctrl.bits.td_burst_size = 3;
+	dma_ctrl.bits.td_bus = 3;
+
+	dma_ctrl_mask.bits32 = 0;
+	dma_ctrl_mask.bits.rd_enable = 1;
+	dma_ctrl_mask.bits.td_enable = 1;
+	dma_ctrl_mask.bits.loopback = 1;
+	dma_ctrl_mask.bits.drop_small_ack = 1;
+	dma_ctrl_mask.bits.rd_prot = 3;
+	dma_ctrl_mask.bits.rd_burst_size = 3;
+	dma_ctrl_mask.bits.rd_insert_bytes = 3;
+	dma_ctrl_mask.bits.rd_bus = 3;
+	dma_ctrl_mask.bits.td_prot = 0x0f;
+	dma_ctrl_mask.bits.td_burst_size = 3;
+	dma_ctrl_mask.bits.td_bus = 3;
+
+	gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
+
+    return;
+}
+
+/*----------------------------------------------------------------------
+*	toe_gmac_hw_stop
+*----------------------------------------------------------------------*/
+static void toe_gmac_hw_stop(struct net_device *dev)
+{
+	GMAC_INFO_T			*tp = (GMAC_INFO_T *)dev->priv;
+	GMAC_DMA_CTRL_T		dma_ctrl, dma_ctrl_mask;
+
+    /* program dma control register */
+	dma_ctrl.bits32 = 0;
+	dma_ctrl.bits.rd_enable = 0;
+	dma_ctrl.bits.td_enable = 0;
+
+	dma_ctrl_mask.bits32 = 0;
+	dma_ctrl_mask.bits.rd_enable = 1;
+	dma_ctrl_mask.bits.td_enable = 1;
+
+	gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
+}
+
+/*----------------------------------------------------------------------
+*	toe_gmac_clear_counter
+*----------------------------------------------------------------------*/
+static int toe_gmac_clear_counter (struct net_device *dev)
+{
+	GMAC_INFO_T	*tp = (GMAC_INFO_T *)dev->priv;
+
+    /* clear counter */
+    gmac_read_reg(tp->base_addr, GMAC_IN_DISCARDS);
+    gmac_read_reg(tp->base_addr, GMAC_IN_ERRORS);
+    gmac_read_reg(tp->base_addr, GMAC_IN_MCAST);
+    gmac_read_reg(tp->base_addr, GMAC_IN_BCAST);
+    gmac_read_reg(tp->base_addr, GMAC_IN_MAC1);
+    gmac_read_reg(tp->base_addr, GMAC_IN_MAC2);
+		tp->ifStatics.tx_bytes = 0;
+		tp->ifStatics.tx_packets = 0;
+		tp->ifStatics.tx_errors = 0;
+		tp->ifStatics.rx_bytes = 0;
+		tp->ifStatics.rx_packets = 0;
+		tp->ifStatics.rx_errors = 0;
+		tp->ifStatics.rx_dropped = 0;
+	return (0);
+}
+
+
+/*----------------------------------------------------------------------
+*	toe_gmac_tx_complete
+*----------------------------------------------------------------------*/
+static  void toe_gmac_tx_complete(GMAC_INFO_T *tp, unsigned int tx_qid,
+   										struct net_device *dev, int interrupt)
+{
+	volatile GMAC_TXDESC_T	*curr_desc;
+	GMAC_TXDESC_0_T			word0;
+	GMAC_TXDESC_1_T			word1;
+	unsigned int			desc_count;
+//	struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics;
+	GMAC_SWTXQ_T			*swtxq;
+	DMA_RWPTR_T				rwptr;
+
+	/* get tx H/W completed descriptor virtual address */
+	/* check tx status and accumulate tx statistics */
+	swtxq = &tp->swtxq[tx_qid];
+	swtxq->intr_cnt++;
+	for (;;)
+	{
+		rwptr.bits32 = readl(swtxq->rwptr_reg);
+		if (rwptr.bits.rptr == swtxq->finished_idx)
+			break;
+    	curr_desc = (volatile GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
+//   		consistent_sync((void *)curr_desc, sizeof(GMAC_TXDESC_T), PCI_DMA_FROMDEVICE);
+		word0.bits32 = curr_desc->word0.bits32;
+		word1.bits32 = curr_desc->word1.bits32;
+
+		if (word0.bits.status_tx_ok)
+		{
+			tp->ifStatics.tx_bytes += word1.bits.byte_count;
+			desc_count = word0.bits.desc_count;
+			if (desc_count==0)
+			{
+				printk("%s::Desc 0x%x = 0x%x, desc_count=%d\n",__func__, (u32)curr_desc, word0.bits32, desc_count);
+				while(1);
+			}
+			while (--desc_count)
+			{
+				word0.bits.status_tx_ok = 0;
+				curr_desc->word0.bits32 = word0.bits32;
+				swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num);
+				curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
+				word0.bits32 = curr_desc->word0.bits32;
+#ifdef _DUMP_TX_TCP_CONTENT
+				if (curr_desc->word0.bits.buffer_size < 16)
+				{
+					int a;
+					char *datap;
+					printk("\t Tx Finished Desc 0x%x Len %d Addr 0x%08x: ", (u32)curr_desc, curr_desc->word0.bits.buffer_size, curr_desc->word2.buf_adr);
+					datap = (char *)__va(curr_desc->word2.buf_adr);
+					for (a=0; a<8 && a<curr_desc->word0.bits.buffer_size; a++, datap++)
+					{
+						printk("0x%02x ", *datap);
+					}
+					printk("\n");
+				}
+#endif
+			}
+
+			word0.bits.status_tx_ok = 0;
+			if (swtxq->tx_skb[swtxq->finished_idx])
+			{
+				if (interrupt)
+					dev_kfree_skb_irq(swtxq->tx_skb[swtxq->finished_idx]);
+				else
+					dev_kfree_skb(swtxq->tx_skb[swtxq->finished_idx]);
+				swtxq->tx_skb[swtxq->finished_idx] = NULL;
+			}
+			curr_desc->word0.bits32 = word0.bits32;
+  			swtxq->curr_finished_desc = (GMAC_TXDESC_T *)curr_desc;
+ 			swtxq->total_finished++;
+  			tp->ifStatics.tx_packets++;
+			swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num);
+		}
+		else
+		{
+			// tp->ifStatics.tx_errors++;
+			// printk("%s::Tx Descriptor is !!!\n",__func__);
+			// wait ready by breaking
+			break;
+		}
+	}
+
+	if (netif_queue_stopped(dev))
+	{
+		netif_wake_queue(dev);
+	}
+}
+
+/*----------------------------------------------------------------------
+*	gmac_start_xmit
+*----------------------------------------------------------------------*/
+static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	GMAC_INFO_T 			*tp= dev->priv;
+//	static unsigned int     pcount = 0;
+//	unsigned int			tx_qid;
+    DMA_RWPTR_T				rwptr;
+	volatile GMAC_TXDESC_T	*curr_desc;
+	int 					snd_pages = skb_shinfo(skb)->nr_frags + 1;  /* get number of descriptor */
+	int 					frag_id = 0;
+	int 					len, total_len = skb->len;
+	struct net_device_stats *isPtr;
+	unsigned int			free_desc;
+	GMAC_SWTXQ_T			*swtxq;
+	register unsigned long	word0, word1, word2, word3;
+	unsigned short			wptr, rptr;
+#ifdef	L2_jumbo_frame
+	int header_len = skb->len;
+	struct iphdr	*ip_hdr;
+    struct tcphdr	*tcp_hdr;
+    int             tcp_hdr_len;
+    unsigned char 	*ptr;
+    int             data_len,a;
+    unsigned int    val;
+#endif
+
+#ifdef GMAC_LEN_1_2_ISSUE
+	int						total_pages;
+	total_pages = snd_pages;
+#endif
+
+	isPtr = (struct net_device_stats *)&tp->ifStatics;
+#if 1
+	if (skb->len >= 0x10000)
+	{
+//		spin_unlock(&tp->tx_mutex);
+		isPtr->tx_dropped++;
+		printk("%s::[GMAC %d] skb->len %d >= 64K\n", __func__, tp->port_id, skb->len);
+		netif_stop_queue(dev);
+		return 1;
+    }
+#endif
+
+#if 0
+	if (storlink_ctl.recvfile==2)
+	{
+	    printk("snd_pages=%d skb->len=%d\n",snd_pages,skb->len);
+	}
+#endif
+
+#ifdef GMAC_USE_TXQ0
+	#define tx_qid 	0
+#endif
+
+	swtxq = &tp->swtxq[tx_qid];
+
+//	spin_lock(&tp->tx_mutex);
+    rwptr.bits32 = readl(swtxq->rwptr_reg);
+	wptr = rwptr.bits.wptr;
+	rptr = rwptr.bits.rptr;
+
+	// check finished desc or empty BD
+	// cannot check by read ptr of RW PTR register,
+	// because the HW complete to send but the SW may NOT handle it
+#ifndef	GMAX_TX_INTR_DISABLED
+	if (wptr >= swtxq->finished_idx)
+		free_desc = swtxq->total_desc_num - wptr - 1 + swtxq->finished_idx;
+	else
+		free_desc = swtxq->finished_idx - wptr - 1;
+
+	if (free_desc < snd_pages)
+	{
+//		spin_unlock(&tp->tx_mutex);
+		isPtr->tx_dropped++;
+//		printk("GMAC %d No available descriptor!\n", tp->port_id);
+		netif_stop_queue(dev);
+		return 1;
+    }
+#else
+	toe_gmac_tx_complete(tp, tx_qid, dev, 0);
+
+	if (wptr >= swtxq->finished_idx)
+		free_desc = swtxq->total_desc_num - wptr - 1 + swtxq->finished_idx;
+	else
+		free_desc = swtxq->finished_idx - wptr - 1;
+	if (free_desc < snd_pages)
+	{
+//		spin_unlock(&tp->tx_mutex);
+		isPtr->tx_dropped++;
+//		printk("GMAC %d No available descriptor!\n", tp->port_id);
+		netif_stop_queue(dev);
+		return 1;
+    }
+
+#if 0
+	printk("1: free_desc=%d, wptr=%d, finished_idx=%d\n", free_desc, wptr, swtxq->finished_idx);
+	if ((free_desc < (snd_pages << 2)) ||
+	    (free_desc < (swtxq->total_desc_num >> 2)))
+	{
+		printk("2: free_desc = %d\n", free_desc);
+		toe_gmac_tx_complete(tp, tx_qid, dev, 0);
+		rwptr.bits32 = readl(swtxq->rwptr_reg);
+		wptr = rwptr.bits.wptr;
+		if (wptr>= swtxq->finished_idx)
+			free_desc = swtxq->total_desc_num - wptr -1 + swtxq->finished_idx;
+		else
+			free_desc = swtxq->finished_idx - wptr - 1;
+	}
+#endif
+#endif
+
+#ifdef	L2_jumbo_frame
+//		data_len = skb->len - 14 - ip_hdr->ihl *4 - tcp_hdr_len;
+//		if ((skb->nh.iph->protocol == __constant_htons(ETH_P_IP)) && ((skb->nh.iph->protocol & 0x00ff)  == IPPROTO_TCP))
+//		if (skb->nh.iph->protocol == 0x006 && (skb->nh.iph->protocol == __constant_htons(ETH_P_IP)))
+		if (((skb->nh.iph->protocol & 0x00ff)  == IPPROTO_TCP))
+		{
+				ip_hdr = (struct iphdr*)(skb->nh.iph);
+				tcp_hdr = (struct tcphdr*)(skb->h.th);
+				tcp_hdr_len = TCPHDRLEN(tcp_hdr) * 4;
+				tcp_hdr_len = TCPHDRLEN(tcp_hdr) * 4;
+
+				if ((skb->h.th->syn) && (tcp_hdr_len > 20))
+				{
+					ptr = (unsigned char *)(tcp_hdr+1);
+					if ((ptr[0] == 0x02) && (ptr[1] == 0x04) && (ptr[2] == 0x07) && (ptr[3] == 0xba)) // 0x07 aa=2016-54=1962  ,0x07ba=2032-54=1978
+					{
+						ptr[2]=0x20;	//23
+						ptr[3]=0x00;   	//00
+						printk("-----> Change MSS to 8K \n" );
+					}
+				}
+		}
+//		if ((ip_hdr->protocol & 0x00ff) != IPPROTO_TCP)
+//		if ((tcp_hdr_len > 20) && (skb->h.th->syn))
+#endif
+
+
+#if 0
+	if (snd_pages > 1)
+		printk("-----> snd_pages=%d\n", snd_pages);
+	if (total_len > 1514)
+	{
+		printk("-----> total_len=%d\n", total_len);
+	}
+#endif
+
+    while (snd_pages)
+    {
+    	char *pkt_datap;
+
+    	curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + wptr;
+//		consistent_sync((void *)curr_desc, sizeof(GMAC_TXDESC_T), PCI_DMA_FROMDEVICE);
+#if 0
+//#if (GMAC_DEBUG==1)
+    	// if curr_desc->word2.buf_adr !=0 means that the ISR does NOT handle it
+    	// if (curr_desc->word2.buf_adr)
+    	if (swtxq->tx_skb[wptr])
+    	{
+    		printk("Error! Stop due to TX descriptor's buffer is not freed!\n");
+    		while(1);
+    		dev_kfree_skb(swtxq->tx_skb[wptr]);
+    		swtxq->tx_skb[wptr] = NULL;
+		}
+#endif
+
+		if (frag_id == 0)
+		{
+#if 0
+			int i;
+			pkt_datap = skb->data;
+			len = total_len;
+			for (i=0; i<skb_shinfo(skb)->nr_frags; i++)
+			{
+				skb_frag_t* frag = &skb_shinfo(skb)->frags[i];
+				len -= frag->size;
+			}
+#else
+			pkt_datap = skb->data;
+			len = total_len - skb->data_len;
+#endif
+		}
+		else
+		{
+			skb_frag_t* frag = &skb_shinfo(skb)->frags[frag_id-1];
+			pkt_datap = page_address(frag->page) + frag->page_offset;
+			len = frag->size;
+			if (len > total_len)
+			{
+				printk("===> Fatal Error! Send Frag size %d > Total Size %d!!!!!\n",
+					len, total_len);
+			}
+		}
+
+		/* set TX descriptor */
+		/* copy packet to descriptor buffer address */
+		// curr_desc->word0.bits32 = len;    /* total frame byte count */
+		word0 = len;
+#ifdef	L2_jumbo_frame
+		word3 = (dev->mtu+14) | EOFIE_BIT;  //2016 ,2032
+#else
+		word3 = 1514 | EOFIE_BIT;
+#endif
+
+#ifdef DO_HW_CHKSUM
+#ifdef	L2_jumbo_frame
+		if (total_len >= (dev->mtu+14) && (skb->nh.iph->protocol == 0x011) && skb->nh.iph && (skb->nh.iph->frag_off & __constant_htons(0x3fff)))
+#else
+		if (total_len <= 1514 && ip_hdr(skb) && (ip_hdr(skb)->frag_off & __constant_htons(0x3fff)))
+#endif
+			word1  = total_len |
+					TSS_IP_CHKSUM_BIT  |
+					TSS_IPV6_ENABLE_BIT |
+					TSS_MTU_ENABLE_BIT;
+		else
+			word1 = total_len |
+					TSS_UDP_CHKSUM_BIT |
+					TSS_TCP_CHKSUM_BIT |
+					TSS_IP_CHKSUM_BIT  |
+					TSS_IPV6_ENABLE_BIT |
+					TSS_MTU_ENABLE_BIT;
+#else
+		word1 = total_len | TSS_MTU_ENABLE_BIT;
+#endif
+		word2 = (unsigned long)__pa(pkt_datap);
+
+		if (frag_id == 0)
+		{
+			word3 |= SOF_BIT;	// SOF
+		}
+
+		if (snd_pages == 1)
+		{
+			word3 |= EOF_BIT;	// EOF
+			swtxq->tx_skb[wptr] = skb;
+#ifdef CONFIG_SL351x_NAT
+			if (nat_cfg.enabled && sl351x_nat_output(skb, tp->port_id))
+				word1 |= TSS_IP_FIXED_LEN_BIT;
+#endif
+		}
+		else
+			swtxq->tx_skb[wptr] = NULL;
+		// word1 |= TSS_IP_FIXED_LEN_BIT;
+#if 1
+#ifdef CONFIG_SL351x_RXTOE
+		// check if this frame has the mission to enable toe hash entry..
+		// if rx_max_pktsize ==0, do not enable RXTOE
+		if (TCP_SKB_CB(skb)->connection && storlink_ctl.rx_max_pktsize) {
+			set_toeq_hdr(TCP_SKB_CB(skb)->connection, &toe_private_data, dev);
+		}
+#endif
+#endif
+#ifdef _DUMP_TX_TCP_CONTENT
+		if (len < 16 && frag_id && skb->h.th && (skb->h.th->source == __constant_htons(445) || skb->h.th->source == __constant_htons(139)))
+		{
+			int a;
+			char *datap;
+			printk("Tx Desc 0x%x Frag %d Len %d [IP-ID 0x%x] 0x%08x: ", (u32)curr_desc, frag_id, len, htons(skb->nh.iph->id), (u32)pkt_datap);
+			datap = (char *)pkt_datap;
+			for (a=0; a<8 && a<len; a++, datap++)
+			{
+				printk("0x%02x ", *datap);
+			}
+			printk("\n");
+		}
+#endif
+
+#ifdef GMAC_LEN_1_2_ISSUE
+		if ((total_pages!=snd_pages) && (len == 1 || len == 2 ) && ((u32)pkt_datap & 0x03))
+		{
+			memcpy((void *)&_debug_prefetch_buf[_debug_prefetch_cnt][0], pkt_datap, len);
+			pkt_datap = (char *)&_debug_prefetch_buf[_debug_prefetch_cnt][0];
+			word2 = (unsigned long)__pa(pkt_datap);
+			_debug_prefetch_cnt++;
+			if (_debug_prefetch_cnt >= _DEBUG_PREFETCH_NUM)
+				_debug_prefetch_cnt = 0;
+		}
+#endif
+
+		consistent_sync((void *)pkt_datap, len, PCI_DMA_TODEVICE);
+		wmb();
+		curr_desc->word0.bits32 = word0;
+		curr_desc->word1.bits32 = word1;
+		curr_desc->word2.bits32 = word2;
+		curr_desc->word3.bits32 = word3;
+		swtxq->curr_tx_desc = (GMAC_TXDESC_T *)curr_desc;
+//		consistent_sync((void *)curr_desc, sizeof(GMAC_TXDESC_T), PCI_DMA_TODEVICE);
+#ifdef _DUMP_TX_TCP_CONTENT
+		if (len < 16 && frag_id && skb->h.th && (skb->h.th->source == __constant_htons(445) || skb->h.th->source == __constant_htons(139)))
+		{
+			int a;
+			char *datap;
+			printk("\t 0x%08x: ", (u32)pkt_datap);
+			datap = (char *)pkt_datap;
+			for (a=0; a<8 && a<len; a++, datap++)
+			{
+				printk("0x%02x ", *datap);
+			}
+			printk("\n");
+		}
+#endif
+		free_desc--;
+		wmb();
+		wptr = RWPTR_ADVANCE_ONE(wptr, swtxq->total_desc_num);
+		frag_id++;
+		snd_pages--;
+	}
+
+    swtxq->total_sent++;
+	SET_WPTR(swtxq->rwptr_reg, wptr);
+	dev->trans_start = jiffies;
+
+
+	// printk("MAC %d Qid %d rwptr = 0x%x, curr_desc=0x%x\n", skb->tx_port_id, tx_qid, rwptr.bits32, curr_desc);
+//#ifdef	GMAX_TX_INTR_DISABLED
+//		toe_gmac_tx_complete(tp, tx_qid, dev, 0);
+//#endif
+	return (0);
+}
+
+/*----------------------------------------------------------------------
+* gmac_set_mac_address
+*----------------------------------------------------------------------*/
+
+static int gmac_set_mac_address(struct net_device *dev, void *addr)
+{
+	GMAC_INFO_T		*tp= dev->priv;
+	struct sockaddr *sock;
+	unsigned int    reg_val;
+    unsigned int    i;
+
+	sock = (struct sockaddr *) addr;
+	for (i = 0; i < 6; i++)
+	{
+		dev->dev_addr[i] = sock->sa_data[i];
+	}
+
+    reg_val = dev->dev_addr[0] + (dev->dev_addr[1]<<8) + (dev->dev_addr[2]<<16) + (dev->dev_addr[3]<<24);
+    gmac_write_reg(tp->base_addr,GMAC_STA_ADD0,reg_val,0xffffffff);
+    reg_val = dev->dev_addr[4] + (dev->dev_addr[5]<<8);
+    gmac_write_reg(tp->base_addr,GMAC_STA_ADD1,reg_val,0x0000ffff);
+	memcpy(&eth_mac[tp->port_id][0],&dev->dev_addr[0],6);
+
+    printk("Storlink %s address = ",dev->name);
+    printk("%02x",dev->dev_addr[0]);
+    printk("%02x",dev->dev_addr[1]);
+    printk("%02x",dev->dev_addr[2]);
+    printk("%02x",dev->dev_addr[3]);
+    printk("%02x",dev->dev_addr[4]);
+    printk("%02x\n",dev->dev_addr[5]);
+
+    return (0);
+}
+
+/*----------------------------------------------------------------------
+* gmac_get_mac_address
+*	get mac address from FLASH
+*----------------------------------------------------------------------*/
+static void gmac_get_mac_address(void)
+{
+#ifdef CONFIG_MTD
+	extern int get_vlaninfo(vlaninfo* vlan);
+    static vlaninfo    vlan[2];
+
+    if (get_vlaninfo(&vlan[0]))
+    {
+        memcpy((void *)&eth_mac[0][0],vlan[0].mac,6);
+        // VLAN_conf[0].vid = vlan[0].vlanid;
+        // VLAN_conf[0].portmap = vlan[0].vlanmap;
+        memcpy((void *)&eth_mac[1][0],vlan[1].mac,6);
+        // VLAN_conf[1].vid = vlan[1].vlanid;
+        // VLAN_conf[1].portmap = vlan[1].vlanmap;
+    }
+#else
+    unsigned int reg_val;
+
+    reg_val = readl(IO_ADDRESS(TOE_GMAC0_BASE)+0xac);
+    eth_mac[0][4] = (reg_val & 0xff00) >> 8;
+    eth_mac[0][5] = reg_val & 0x00ff;
+    reg_val = readl(IO_ADDRESS(SL2312_SECURITY_BASE)+0xac);
+    eth_mac[1][4] = (reg_val & 0xff00) >> 8;
+    eth_mac[1][5] = reg_val & 0x00ff;
+#endif
+    return;
+}
+
+
+/*----------------------------------------------------------------------
+* mac_stop_txdma
+*----------------------------------------------------------------------*/
+void mac_stop_txdma(struct net_device *dev)
+{
+	GMAC_INFO_T				*tp = (GMAC_INFO_T *)dev->priv;
+	GMAC_DMA_CTRL_T			dma_ctrl, dma_ctrl_mask;
+	GMAC_TXDMA_FIRST_DESC_T	txdma_busy;
+
+	// wait idle
+	do
+	{
+		txdma_busy.bits32 = gmac_read_reg(tp->dma_base_addr, GMAC_DMA_TX_FIRST_DESC_REG);
+	} while (txdma_busy.bits.td_busy);
+
+    /* program dma control register */
+	dma_ctrl.bits32 = 0;
+	dma_ctrl.bits.rd_enable = 0;
+	dma_ctrl.bits.td_enable = 0;
+
+	dma_ctrl_mask.bits32 = 0;
+	dma_ctrl_mask.bits.rd_enable = 1;
+	dma_ctrl_mask.bits.td_enable = 1;
+
+	gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
+}
+
+/*----------------------------------------------------------------------
+* mac_start_txdma
+*----------------------------------------------------------------------*/
+void mac_start_txdma(struct net_device *dev)
+{
+	GMAC_INFO_T			*tp = (GMAC_INFO_T *)dev->priv;
+	GMAC_DMA_CTRL_T		dma_ctrl, dma_ctrl_mask;
+
+    /* program dma control register */
+	dma_ctrl.bits32 = 0;
+	dma_ctrl.bits.rd_enable = 1;
+	dma_ctrl.bits.td_enable = 1;
+
+	dma_ctrl_mask.bits32 = 0;
+	dma_ctrl_mask.bits.rd_enable = 1;
+	dma_ctrl_mask.bits.td_enable = 1;
+
+	gmac_write_reg(tp->dma_base_addr, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
+}
+
+
+/*----------------------------------------------------------------------
+* gmac_get_stats
+*----------------------------------------------------------------------*/
+
+struct net_device_stats * gmac_get_stats(struct net_device *dev)
+{
+    GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
+    // unsigned int        flags;
+    unsigned int        pkt_drop;
+    unsigned int        pkt_error;
+
+    if (netif_running(dev))
+    {
+        /* read H/W counter */
+        // spin_lock_irqsave(&tp->lock,flags);
+        pkt_drop = gmac_read_reg(tp->base_addr,GMAC_IN_DISCARDS);
+        pkt_error = gmac_read_reg(tp->base_addr,GMAC_IN_ERRORS);
+        tp->ifStatics.rx_dropped = tp->ifStatics.rx_dropped + pkt_drop;
+        tp->ifStatics.rx_errors = tp->ifStatics.rx_errors + pkt_error;
+        // spin_unlock_irqrestore(&tp->lock,flags);
+    }
+    return &tp->ifStatics;
+}
+
+
+
+/*----------------------------------------------------------------------
+* mac_get_sw_tx_weight
+*----------------------------------------------------------------------*/
+void mac_get_sw_tx_weight(struct net_device *dev, char *weight)
+{
+	GMAC_TX_WCR1_T	sw_weigh;
+    GMAC_INFO_T		*tp = (GMAC_INFO_T *)dev->priv;
+
+	sw_weigh.bits32 = gmac_read_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_1_REG);
+
+	weight[0] = sw_weigh.bits.sw_tq0;
+   	weight[1] = sw_weigh.bits.sw_tq1;
+   	weight[2] = sw_weigh.bits.sw_tq2;
+   	weight[3] = sw_weigh.bits.sw_tq3;
+   	weight[4] = sw_weigh.bits.sw_tq4;
+   	weight[5] = sw_weigh.bits.sw_tq5;
+}
+
+/*----------------------------------------------------------------------
+* mac_set_sw_tx_weight
+*----------------------------------------------------------------------*/
+void mac_set_sw_tx_weight(struct net_device *dev, char *weight)
+{
+	GMAC_TX_WCR1_T	sw_weigh;
+    GMAC_INFO_T		*tp = (GMAC_INFO_T *)dev->priv;
+
+	sw_weigh.bits32 = 0;
+	sw_weigh.bits.sw_tq0 = weight[0];
+   	sw_weigh.bits.sw_tq1 = weight[1];
+   	sw_weigh.bits.sw_tq2 = weight[2];
+   	sw_weigh.bits.sw_tq3 = weight[3];
+   	sw_weigh.bits.sw_tq4 = weight[4];
+   	sw_weigh.bits.sw_tq5 = weight[5];
+
+	gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_1_REG, sw_weigh.bits32, 0xffffffff);
+}
+
+/*----------------------------------------------------------------------
+* mac_get_hw_tx_weight
+*----------------------------------------------------------------------*/
+void mac_get_hw_tx_weight(struct net_device *dev, char *weight)
+{
+	GMAC_TX_WCR0_T	hw_weigh;
+    GMAC_INFO_T		*tp = (GMAC_INFO_T *)dev->priv;
+
+	hw_weigh.bits32 = gmac_read_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_0_REG);
+
+	weight[0] = hw_weigh.bits.hw_tq0;
+   	weight[1] = hw_weigh.bits.hw_tq1;
+   	weight[2] = hw_weigh.bits.hw_tq2;
+   	weight[3] = hw_weigh.bits.hw_tq3;
+}
+
+/*----------------------------------------------------------------------
+* mac_set_hw_tx_weight
+*----------------------------------------------------------------------*/
+void mac_set_hw_tx_weight(struct net_device *dev, char *weight)
+{
+	GMAC_TX_WCR0_T	hw_weigh;
+    GMAC_INFO_T		*tp = (GMAC_INFO_T *)dev->priv;
+
+	hw_weigh.bits32 = 0;
+	hw_weigh.bits.hw_tq0 = weight[0];
+   	hw_weigh.bits.hw_tq1 = weight[1];
+   	hw_weigh.bits.hw_tq2 = weight[2];
+   	hw_weigh.bits.hw_tq3 = weight[3];
+
+	gmac_write_reg(tp->dma_base_addr, GMAC_TX_WEIGHTING_CTRL_0_REG, hw_weigh.bits32, 0xffffffff);
+}
+
+/*----------------------------------------------------------------------
+* mac_start_tx_dma
+*----------------------------------------------------------------------*/
+int mac_start_tx_dma(int mac)
+{
+	GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask;
+
+	dma_ctrl.bits32 = 0;
+	dma_ctrl.bits.td_enable = 1;
+
+	dma_ctrl_mask.bits32 = 0;
+	dma_ctrl_mask.bits.td_enable = 1;
+
+	if (mac == 0)
+    	gmac_write_reg(TOE_GMAC0_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
+	else
+    	gmac_write_reg(TOE_GMAC1_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
+	return	1;
+}
+
+/*----------------------------------------------------------------------
+* mac_stop_tx_dma
+*----------------------------------------------------------------------*/
+int mac_stop_tx_dma(int mac)
+{
+	GMAC_DMA_CTRL_T dma_ctrl, dma_ctrl_mask;
+
+	dma_ctrl.bits32 = 0;
+	dma_ctrl.bits.td_enable = 0;
+
+	dma_ctrl_mask.bits32 = 0;
+	dma_ctrl_mask.bits.td_enable = 1;
+
+	if (mac == 0)
+    	gmac_write_reg(TOE_GMAC0_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
+	else
+    	gmac_write_reg(TOE_GMAC1_DMA_BASE, GMAC_DMA_CTRL_REG, dma_ctrl.bits32, dma_ctrl_mask.bits32);
+	return	1;
+}
+
+/*----------------------------------------------------------------------
+* mac_read_reg(int mac, unsigned int offset)
+*----------------------------------------------------------------------*/
+unsigned int mac_read_reg(int mac, unsigned int offset)
+{
+	switch (mac)
+	{
+		case 0:
+			return gmac_read_reg(TOE_GMAC0_BASE, offset);
+		case 1:
+			return gmac_read_reg(TOE_GMAC1_BASE, offset);
+		default:
+			return 0;
+	}
+}
+
+/*----------------------------------------------------------------------
+* mac_write_reg
+*----------------------------------------------------------------------*/
+void mac_write_reg(int mac, unsigned int offset, unsigned data)
+{
+	switch (mac)
+	{
+		case 0:
+			gmac_write_reg(GMAC0_BASE, offset, data, 0xffffffff);
+			break;
+		case 1:
+			gmac_write_reg(GMAC1_BASE, offset, data, 0xffffffff);
+			break;
+	}
+}
+
+/*----------------------------------------------------------------------
+* mac_read_dma_reg(int mac, unsigned int offset)
+*----------------------------------------------------------------------*/
+u32 mac_read_dma_reg(int mac, unsigned int offset)
+{
+	switch (mac)
+	{
+		case 0:
+			return gmac_read_reg(TOE_GMAC0_DMA_BASE, offset);
+		case 1:
+			return gmac_read_reg(TOE_GMAC1_DMA_BASE, offset);
+		default:
+			return 0;
+	}
+}
+
+/*----------------------------------------------------------------------
+* mac_write_dma_reg
+*----------------------------------------------------------------------*/
+void mac_write_dma_reg(int mac, unsigned int offset, u32 data)
+{
+	switch (mac)
+	{
+		case 0:
+			gmac_write_reg(TOE_GMAC0_DMA_BASE, offset, data, 0xffffffff);
+			break;
+		case 1:
+			gmac_write_reg(TOE_GMAC1_DMA_BASE, offset, data, 0xffffffff);
+			break;
+	}
+}
+
+/*----------------------------------------------------------------------
+* ether_crc
+*----------------------------------------------------------------------*/
+static unsigned const ethernet_polynomial = 0x04c11db7U;
+static unsigned int ether_crc (int length, unsigned char *data)
+{
+	int crc = -1;
+	unsigned int i;
+	unsigned int crc_val=0;
+
+	while (--length >= 0) {
+		unsigned char current_octet = *data++;
+		int bit;
+		for (bit = 0; bit < 8; bit++, current_octet >>= 1)
+			crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ?
+			     ethernet_polynomial : 0);
+	}
+	crc = ~crc;
+	for (i=0;i<32;i++)
+	{
+		crc_val = crc_val + (((crc << i) & 0x80000000) >> (31-i));
+	}
+	return crc_val;
+}
+
+
+
+/*----------------------------------------------------------------------
+* mac_set_rx_mode
+*----------------------------------------------------------------------*/
+void mac_set_rx_mode(int pid, unsigned int data)
+{
+	unsigned int	base;
+
+	base = (pid == 0) ? GMAC0_BASE : GMAC1_BASE;
+
+    gmac_write_reg(base, GMAC_RX_FLTR, data, 0x0000001f);
+    return;
+}
+
+
+/*----------------------------------------------------------------------
+* gmac_open
+*----------------------------------------------------------------------*/
+
+static int gmac_open (struct net_device *dev)
+{
+	GMAC_INFO_T  *tp = (GMAC_INFO_T *)dev->priv;
+	int    					retval;
+	TOE_INFO_T				*toe;
+	toe = (TOE_INFO_T *)&toe_private_data;
+
+    /* hook ISR */
+	retval = request_irq (dev->irq, toe_gmac_interrupt, IRQF_DISABLED, dev->name, dev);
+	if (retval)
+		return retval;
+
+	toe_init_gmac(dev);
+
+	if(!FLAG_SWITCH)
+	{
+    	init_waitqueue_head (&tp->thr_wait);
+    	init_completion(&tp->thr_exited);
+
+    	tp->time_to_die = 0;
+    	tp->thr_pid = kernel_thread (gmac_phy_thread, dev, CLONE_FS | CLONE_FILES);
+    	if (tp->thr_pid < 0)
+    	{
+    		printk (KERN_WARNING "%s: unable to start kernel thread\n",dev->name);
+    	}
+    }
+
+	tp->operation = 1;
+
+   	netif_start_queue (dev);
+
+	return (0);
+}
+
+/*----------------------------------------------------------------------
+* gmac_close
+*----------------------------------------------------------------------*/
+static int gmac_close(struct net_device *dev)
+{
+    TOE_INFO_T			*toe;
+// 	GMAC_RXDESC_T		*sw_desc_ptr,*desc_ptr;
+// 	unsigned int		buf_ptr;
+	GMAC_INFO_T 	*tp = dev->priv;
+	unsigned int		ret;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+
+	tp->operation = 0;
+
+    netif_stop_queue(dev);
+    mdelay(20);
+
+    /* stop tx/rx packet */
+    toe_gmac_disable_tx_rx(dev);
+    mdelay(20);
+
+    /* stop the chip's Tx and Rx DMA processes */
+	toe_gmac_hw_stop(dev);
+
+	toe_gmac_disable_interrupt(tp->irq);
+
+    /* disable interrupts by clearing the interrupt mask */
+    synchronize_irq();
+    free_irq(dev->irq,dev);
+
+//	DMA_MFREE(sw_desc_ptr, (TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),(dma_addr_t *)&toe->sw_freeq_desc_base_dma);
+//	DMA_MFREE(desc_ptr, TOE_HW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T),(dma_addr_t *)&toe->hw_freeq_desc_base_dma);
+//	DMA_MFREE(buf_ptr, TOE_HW_FREEQ_DESC_NUM) * HW_RX_BUF_SIZE),(dma_addr_t *)&toe->hwfq_buf_base_dma);
+//	DMA_MFREE(toe->gmac[0].swtxq_desc_base , TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[0].swtxq_desc_base_dma);
+//	DMA_MFREE(toe->gmac[1].swtxq_desc_base , TOE_GMAC0_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[1].swtxq_desc_base_dma);
+//	DMA_MFREE(toe->gmac[0].hwtxq_desc_base_dma , TOE_GMAC0_HWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[0].hwtxq_desc_base_dma);
+//	DMA_MFREE(toe->gmac[1].hwtxq_desc_base_dma , TOE_GMAC0_SWTXQ_DESC_NUM * TOE_HW_TXQ_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[1].hwtxq_desc_base_dma);
+//	DMA_MFREE(toe->gmac[0].default_desc_base_dma ,TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[0].default_desc_base_dma);
+//	DMA_MFREE(toe->gmac[1].default_desc_base_dma , TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_TXDESC_T),(dma_addr_t *)&toe->gmac[1].default_desc_base_dma);
+//	DMA_MFREE(toe->intr_desc_base_dma , TOE_INTR_QUEUE_NUM * TOE_INTR_DESC_NUM * sizeof(GMAC_RXDESC_T),(dma_addr_t *)&toe->intr_desc_base_dma);
+//	DMA_MFREE(toe->intr_buf_base_dma , TOE_INTR_DESC_NUM * sizeof(TOE_QHDR_T),(dma_addr_t *)&toe->intr_buf_base_dma);
+
+	if(!FLAG_SWITCH)
+	{
+    	if (tp->thr_pid >= 0)
+    	{
+		    tp->time_to_die = 1;
+    		wmb();
+    		ret = kill_proc (tp->thr_pid, SIGTERM, 1);
+    		if (ret)
+    		{
+    			printk (KERN_ERR "%s: unable to signal thread\n", dev->name);
+    			return ret;
+    		}
+//    		wait_for_completion (&tp->thr_exited);
+    	}
+    }
+
+    return (0);
+}
+
+/*----------------------------------------------------------------------
+* toe_gmac_fill_free_q
+* allocate buffers for free queue.
+*----------------------------------------------------------------------*/
+static inline void toe_gmac_fill_free_q(void)
+{
+	struct sk_buff	*skb;
+	volatile DMA_RWPTR_T	fq_rwptr;
+	volatile GMAC_RXDESC_T	*fq_desc;
+	unsigned long	flags;
+	// unsigned short max_cnt=TOE_SW_FREEQ_DESC_NUM>>1;
+
+	fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+	spin_lock_irqsave(&gmac_fq_lock, flags);
+	//while ((max_cnt--) && (unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
+	//				TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) {
+	while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
+					TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) {
+		if ((skb = dev_alloc_skb(SW_RX_BUF_SIZE)) == NULL) {
+			printk("%s::skb allocation fail!\n", __func__);
+			//while(1);
+			break;
+		}
+		REG32(skb->data) = (unsigned int)skb;
+		skb_reserve(skb, SKB_RESERVE_BYTES);
+		// fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+		fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr,
+			TOE_SW_FREEQ_DESC_NUM);
+		fq_desc = (GMAC_RXDESC_T*)toe_private_data.swfq_desc_base+fq_rwptr.bits.wptr;
+		fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data);
+		SET_WPTR(TOE_GLOBAL_BASE+GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
+		toe_private_data.fq_rx_rwptr.bits32 = fq_rwptr.bits32;
+	}
+	spin_unlock_irqrestore(&gmac_fq_lock, flags);
+}
+// EXPORT_SYMBOL(toe_gmac_fill_free_q);
+
+/*----------------------------------------------------------------------
+* toe_gmac_interrupt
+*----------------------------------------------------------------------*/
+static irqreturn_t toe_gmac_interrupt (int irq, void *dev_instance)
+{
+	struct net_device   *dev = (struct net_device *)dev_instance;
+	TOE_INFO_T			*toe;
+	GMAC_INFO_T 		*tp = (GMAC_INFO_T *)dev->priv;
+	unsigned int		status0;
+	unsigned int		status1;
+	unsigned int		status2;
+	unsigned int		status3;
+	unsigned int		status4;
+
+//	struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics;
+	toe = (TOE_INFO_T *)&toe_private_data;
+//	handle NAPI
+#ifdef CONFIG_SL_NAPI
+if (storlink_ctl.pauseoff == 1)
+{
+/* disable GMAC interrupt */
+    //toe_gmac_disable_interrupt(tp->irq);
+
+//	isPtr->interrupts++;
+	/* read Interrupt status */
+	status0 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG);
+	status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
+	status2 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG);
+	status3 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG);
+	status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
+	// prompt warning if status bit ON but not enabled
+#if 0
+	if (status0 & ~tp->intr0_enabled)
+		printk("Intr 0 Status error. status = 0x%X, enable = 0x%X\n",
+				status0, tp->intr0_enabled);
+	if (status1 & ~tp->intr1_enabled)
+		printk("Intr 1 Status error. status = 0x%X, enable = 0x%X\n",
+				status1, tp->intr1_enabled);
+	if (status2 & ~tp->intr2_enabled)
+		printk("Intr 2 Status error. status = 0x%X, enable = 0x%X\n",
+				status2, tp->intr2_enabled);
+	if (status3 & ~tp->intr3_enabled)
+		printk("Intr 3 Status error. status = 0x%X, enable = 0x%X\n",
+				status3, tp->intr3_enabled);
+	if (status4 & ~tp->intr4_enabled)
+		printk("Intr 4 Status error. status = 0x%X, enable = 0x%X\n",
+				status4, tp->intr4_enabled);
+#endif
+
+	if (status0)
+		writel(status0 & tp->intr0_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_0_REG);
+	if (status1)
+		writel(status1 & tp->intr1_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_1_REG);
+	if (status2)
+		writel(status2 & tp->intr2_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_2_REG);
+	if (status3)
+		writel(status3 & tp->intr3_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_3_REG);
+	if (status4)
+		writel(status4 & tp->intr4_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG);
+#if 0
+	/* handle freeq interrupt first */
+	if (status4 & tp->intr4_enabled) {
+		if ((status4 & SWFQ_EMPTY_INT_BIT) && (tp->intr4_enabled & SWFQ_EMPTY_INT_BIT))
+		{
+			// unsigned long data = REG32(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+			//gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG,
+			//	tp->intr4_enabled & ~SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT);
+
+			if (toe->gmac[0].dev && netif_running(toe->gmac[0].dev))
+				toe_gmac_handle_default_rxq(toe->gmac[0].dev,&toe->gmac[0]);
+			if (toe->gmac[1].dev && netif_running(toe->gmac[1].dev))
+				toe_gmac_handle_default_rxq(toe->gmac[1].dev,&toe->gmac[1]);
+			printk("\nfreeq int\n");
+			toe_gmac_fill_free_q();
+			tp->sw_fq_empty_cnt++;
+
+		}
+	}
+#endif
+	// Interrupt Status 1
+	if (status1 & tp->intr1_enabled)
+	{
+		#define G1_INTR0_BITS	(GMAC1_HWTQ13_EOF_INT_BIT | GMAC1_HWTQ12_EOF_INT_BIT | GMAC1_HWTQ11_EOF_INT_BIT | GMAC1_HWTQ10_EOF_INT_BIT)
+		#define G0_INTR0_BITS	(GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT | GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT)
+		// Handle GMAC 0/1 HW Tx queue 0-3 EOF events
+		// Only count
+		// TOE, Classification, and default queues interrupts are handled by ISR
+		// because they should pass packets to upper layer
+		if (tp->port_id == 0)
+		{
+			if (netif_running(dev) && (status1 & G0_INTR0_BITS) && (tp->intr1_enabled & G0_INTR0_BITS))
+			{
+				if (status1 & GMAC0_HWTQ03_EOF_INT_BIT)
+					tp->hwtxq[3].eof_cnt++;
+				if (status1 & GMAC0_HWTQ02_EOF_INT_BIT)
+					tp->hwtxq[2].eof_cnt++;
+				if (status1 & GMAC0_HWTQ01_EOF_INT_BIT)
+					tp->hwtxq[1].eof_cnt++;
+				if (status1 & GMAC0_HWTQ00_EOF_INT_BIT)
+					tp->hwtxq[0].eof_cnt++;
+			}
+				if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q0_INT_BIT))
+				{
+					if (likely(netif_rx_schedule_prep(dev)))
+        			{
+        				unsigned int data32;
+        				// disable GMAC-0 rx interrupt
+        				// class-Q & TOE-Q are implemented in future
+        				//data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+        				//data32 &= ~DEFAULT_Q0_INT_BIT;
+						//writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+						//printk("\%s: DEFAULT_Q0_INT_BIT===================>>>>>>>>>>>>\n",__func__);
+						writel(0x0, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_1_REG);
+						//tp->total_q_cnt_napi=0;
+						//rx_time = jiffies;
+						//rx_old_bytes = isPtr->rx_bytes;
+            			__netif_rx_schedule(dev);
+        			}
+			}
+		}
+		else if (tp->port_id == 1)
+		{
+			if (netif_running(dev) && (status1 & G1_INTR0_BITS) && (tp->intr1_enabled & G1_INTR0_BITS))
+			{
+				if (status1 & GMAC1_HWTQ13_EOF_INT_BIT)
+					tp->hwtxq[3].eof_cnt++;
+				if (status1 & GMAC1_HWTQ12_EOF_INT_BIT)
+					tp->hwtxq[2].eof_cnt++;
+				if (status1 & GMAC1_HWTQ11_EOF_INT_BIT)
+					tp->hwtxq[1].eof_cnt++;
+				if (status1 & GMAC1_HWTQ10_EOF_INT_BIT)
+					tp->hwtxq[0].eof_cnt++;
+			}
+
+			if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q1_INT_BIT))
+			{
+				if (likely(netif_rx_schedule_prep(dev)))
+        		{
+        			unsigned int data32;
+         			// disable GMAC-0 rx interrupt
+        			// class-Q & TOE-Q are implemented in future
+        			//data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+        			//data32 &= ~DEFAULT_Q1_INT_BIT;
+					//writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+					//printk("\%s: 1111111111--->DEFAULT_Q1_INT_BIT===================>>>>>>>>>>>>\n",__func__);
+					writel(0x0, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_1_REG);
+					//tp->total_q_cnt_napi=0;
+					//rx_time = jiffies;
+					//rx_old_bytes = isPtr->rx_bytes;
+           			__netif_rx_schedule(dev);
+        		}
+			}
+		}
+	}
+
+	// Interrupt Status 0
+	if (status0 & tp->intr0_enabled)
+	{
+		#define ERR_INTR_BITS	(GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT |	\
+								 GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT |	\
+								 GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT |	\
+								 GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT)
+
+		if (status0 &  ERR_INTR_BITS)
+		{
+			if ((status0 & GMAC0_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXDERR_INT_BIT))
+			{
+				tp->txDerr_cnt[0]++;
+				printk("GMAC0 TX AHB Bus Error!\n");
+			}
+			if ((status0 & GMAC0_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXPERR_INT_BIT))
+			{
+				tp->txPerr_cnt[0]++;
+				printk("GMAC0 Tx Descriptor Protocol Error!\n");
+			}
+			if ((status0 & GMAC1_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXDERR_INT_BIT))
+			{
+				tp->txDerr_cnt[1]++;
+				printk("GMAC1 Tx AHB Bus Error!\n");
+			}
+			if ((status0 & GMAC1_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXPERR_INT_BIT))
+			{
+				tp->txPerr_cnt[1]++;
+				printk("GMAC1 Tx Descriptor Protocol Error!\n");
+			}
+
+			if ((status0 & GMAC0_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXDERR_INT_BIT))
+			{
+				tp->RxDerr_cnt[0]++;
+				printk("GMAC0 Rx AHB Bus Error!\n");
+			}
+			if ((status0 & GMAC0_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXPERR_INT_BIT))
+			{
+				tp->RxPerr_cnt[0]++;
+				printk("GMAC0 Rx Descriptor Protocol Error!\n");
+			}
+			if ((status0 & GMAC1_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXDERR_INT_BIT))
+			{
+				tp->RxDerr_cnt[1]++;
+				printk("GMAC1 Rx AHB Bus Error!\n");
+			}
+			if ((status0 & GMAC1_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXPERR_INT_BIT))
+			{
+				tp->RxPerr_cnt[1]++;
+				printk("GMAC1 Rx Descriptor Protocol Error!\n");
+			}
+		}
+
+#ifndef	GMAX_TX_INTR_DISABLED
+		if (tp->port_id == 1 &&	netif_running(dev) &&
+			(((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT))
+			||
+			((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT))))
+		{
+			toe_gmac_tx_complete(&toe_private_data.gmac[1], 0, dev, 1);
+		}
+
+		if (tp->port_id == 0 &&	netif_running(dev) &&
+			(((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT))
+			||
+			((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT))))
+		{
+			toe_gmac_tx_complete(&toe_private_data.gmac[0], 0, dev, 1);
+		}
+#endif
+	}
+	// Interrupt Status 4
+	if (status4 & tp->intr4_enabled)
+	{
+		#define G1_INTR4_BITS		(0xff000000)
+		#define G0_INTR4_BITS		(0x00ff0000)
+
+		if (tp->port_id == 0)
+		{
+			if ((status4 & G0_INTR4_BITS) && (tp->intr4_enabled & G0_INTR4_BITS))
+			{
+				if (status4 & GMAC0_RESERVED_INT_BIT)
+					printk("GMAC0_RESERVED_INT_BIT is ON\n");
+				if (status4 & GMAC0_MIB_INT_BIT)
+					tp->mib_full_cnt++;
+				if (status4 & GMAC0_RX_PAUSE_ON_INT_BIT)
+					tp->rx_pause_on_cnt++;
+				if (status4 & GMAC0_TX_PAUSE_ON_INT_BIT)
+					tp->tx_pause_on_cnt++;
+				if (status4 & GMAC0_RX_PAUSE_OFF_INT_BIT)
+					tp->rx_pause_off_cnt++;
+				if (status4 & GMAC0_TX_PAUSE_OFF_INT_BIT)
+					tp->rx_pause_off_cnt++;
+				if (status4 & GMAC0_RX_OVERRUN_INT_BIT)
+					tp->rx_overrun_cnt++;
+				if (status4 & GMAC0_STATUS_CHANGE_INT_BIT)
+					tp->status_changed_cnt++;
+			}
+		}
+		else if (tp->port_id == 1)
+		{
+			if ((status4 & G1_INTR4_BITS) && (tp->intr4_enabled & G1_INTR4_BITS))
+			{
+				if (status4 & GMAC1_RESERVED_INT_BIT)
+					printk("GMAC1_RESERVED_INT_BIT is ON\n");
+				if (status4 & GMAC1_MIB_INT_BIT)
+					tp->mib_full_cnt++;
+				if (status4 & GMAC1_RX_PAUSE_ON_INT_BIT)
+				{
+					printk("Gmac pause on\n");
+					tp->rx_pause_on_cnt++;
+				}
+				if (status4 & GMAC1_TX_PAUSE_ON_INT_BIT)
+				{
+					printk("Gmac pause on\n");
+					tp->tx_pause_on_cnt++;
+				}
+				if (status4 & GMAC1_RX_PAUSE_OFF_INT_BIT)
+				{
+					printk("Gmac pause off\n");
+					tp->rx_pause_off_cnt++;
+				}
+				if (status4 & GMAC1_TX_PAUSE_OFF_INT_BIT)
+				{
+					printk("Gmac pause off\n");
+					tp->rx_pause_off_cnt++;
+				}
+				if (status4 & GMAC1_RX_OVERRUN_INT_BIT)
+				{
+					//printk("Gmac Rx Overrun \n");
+					tp->rx_overrun_cnt++;
+				}
+				if (status4 & GMAC1_STATUS_CHANGE_INT_BIT)
+					tp->status_changed_cnt++;
+			}
+		}
+	}
+
+	//toe_gmac_enable_interrupt(tp->irq);
+#ifdef IxscriptMate_1518
+	if (storlink_ctl.pauseoff == 1)
+	{
+		GMAC_CONFIG0_T config0;
+		config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
+		config0.bits.dis_rx = 0;
+		writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
+		config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
+		config0.bits.dis_rx = 0;
+		writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
+	}
+#endif
+//	 enable_irq(gmac_irq[dev_index]);
+	//printk("gmac_interrupt complete!\n\n");
+//	return IRQ_RETVAL(handled);
+	return	IRQ_RETVAL(1);
+}
+else
+{
+#endif	//endif NAPI
+
+
+	/* disable GMAC interrupt */
+    toe_gmac_disable_interrupt(tp->irq);
+
+//	isPtr->interrupts++;
+	/* read Interrupt status */
+	status0 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG);
+	status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
+	status2 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG);
+	status3 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG);
+	status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
+	// prompt warning if status bit ON but not enabled
+#if 0
+	if (status0 & ~tp->intr0_enabled)
+		printk("Intr 0 Status error. status = 0x%X, enable = 0x%X\n",
+				status0, tp->intr0_enabled);
+	if (status1 & ~tp->intr1_enabled)
+		printk("Intr 1 Status error. status = 0x%X, enable = 0x%X\n",
+				status1, tp->intr1_enabled);
+	if (status2 & ~tp->intr2_enabled)
+		printk("Intr 2 Status error. status = 0x%X, enable = 0x%X\n",
+				status2, tp->intr2_enabled);
+	if (status3 & ~tp->intr3_enabled)
+		printk("Intr 3 Status error. status = 0x%X, enable = 0x%X\n",
+				status3, tp->intr3_enabled);
+	if (status4 & ~tp->intr4_enabled)
+		printk("Intr 4 Status error. status = 0x%X, enable = 0x%X\n",
+				status4, tp->intr4_enabled);
+#endif
+#define	INTERRUPT_SELECT			1
+	if (status0)
+		writel(status0 & tp->intr0_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_0_REG);
+	if (status1)
+		writel(status1 & tp->intr1_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_1_REG);
+	if (status2)
+		writel(status2 & tp->intr2_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_2_REG);
+	if (status3)
+		writel(status3 & tp->intr3_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_3_REG);
+	if (status4)
+		writel(status4 & tp->intr4_enabled, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG);
+
+	/* handle freeq interrupt first */
+	if (status4 & tp->intr4_enabled) {
+		if ((status4 & SWFQ_EMPTY_INT_BIT) && (tp->intr4_enabled & SWFQ_EMPTY_INT_BIT))
+		{
+			// unsigned long data = REG32(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+			//gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG,
+			//	tp->intr4_enabled & ~SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT);
+
+			//gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG,
+			//	SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT);
+			if (toe->gmac[0].dev && netif_running(toe->gmac[0].dev))
+				toe_gmac_handle_default_rxq(toe->gmac[0].dev,&toe->gmac[0]);
+			if (toe->gmac[1].dev && netif_running(toe->gmac[1].dev))
+				toe_gmac_handle_default_rxq(toe->gmac[1].dev,&toe->gmac[1]);
+			printk("\nfreeq int\n");
+			toe_gmac_fill_free_q();
+			tp->sw_fq_empty_cnt++;
+
+			gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4,
+				SWFQ_EMPTY_INT_BIT);
+		}
+	}
+
+	// Interrupt Status 1
+	if (status1 & tp->intr1_enabled)
+	{
+		#define G1_INTR0_BITS	(GMAC1_HWTQ13_EOF_INT_BIT | GMAC1_HWTQ12_EOF_INT_BIT | GMAC1_HWTQ11_EOF_INT_BIT | GMAC1_HWTQ10_EOF_INT_BIT)
+		#define G0_INTR0_BITS	(GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT | GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT)
+		// Handle GMAC 0/1 HW Tx queue 0-3 EOF events
+		// Only count
+		// TOE, Classification, and default queues interrupts are handled by ISR
+		// because they should pass packets to upper layer
+		if (tp->port_id == 0)
+		{
+#ifndef	INTERRUPT_SELECT
+			if (netif_running(dev) && (status1 & G0_INTR0_BITS) && (tp->intr1_enabled & G0_INTR0_BITS))
+			{
+				if (status1 & GMAC0_HWTQ03_EOF_INT_BIT)
+					tp->hwtxq[3].eof_cnt++;
+				if (status1 & GMAC0_HWTQ02_EOF_INT_BIT)
+					tp->hwtxq[2].eof_cnt++;
+				if (status1 & GMAC0_HWTQ01_EOF_INT_BIT)
+					tp->hwtxq[1].eof_cnt++;
+				if (status1 & GMAC0_HWTQ00_EOF_INT_BIT)
+					tp->hwtxq[0].eof_cnt++;
+#endif	//INTERRUPT_SELECT
+#ifndef	INTERRUPT_SELECT
+			}
+#endif	//INTERRUPT_SELECT
+			if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q0_INT_BIT))
+			{
+				tp->default_q_intr_cnt++;
+				toe_gmac_handle_default_rxq(dev, tp);
+			}
+#ifdef CONFIG_SL351x_RXTOE
+			if (netif_running(dev) && (status1 & TOE_IQ_ALL_BITS) &&
+			    (tp->intr1_enabled & TOE_IQ_ALL_BITS)) {
+				//printk("status %x, bits %x, slct %x\n", status1, TOE_IQ_ALL_BITS, tp->intr1_selected);
+				toe_gmac_handle_toeq(dev, tp, status1);
+				//toe_gmac_handle_toeq(dev, toe, tp, status1);
+			}
+#endif
+		}
+		else if (tp->port_id == 1)
+		{
+#ifndef	INTERRUPT_SELECT
+			if (netif_running(dev) && (status1 & G1_INTR0_BITS) && (tp->intr1_enabled & G1_INTR0_BITS))
+			{
+				if (status1 & GMAC1_HWTQ13_EOF_INT_BIT)
+					tp->hwtxq[3].eof_cnt++;
+				if (status1 & GMAC1_HWTQ12_EOF_INT_BIT)
+					tp->hwtxq[2].eof_cnt++;
+				if (status1 & GMAC1_HWTQ11_EOF_INT_BIT)
+					tp->hwtxq[1].eof_cnt++;
+				if (status1 & GMAC1_HWTQ10_EOF_INT_BIT)
+					tp->hwtxq[0].eof_cnt++;
+#endif	//INTERRUPT_SELECT
+#ifndef	INTERRUPT_SELECT
+			}
+#endif	//INTERRUPT_SELECT
+			if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q1_INT_BIT))
+			{
+				tp->default_q_intr_cnt++;
+				toe_gmac_handle_default_rxq(dev, tp);
+			}
+#ifdef CONFIG_SL351x_RXTOE
+			if (netif_running(dev) && (status1 & TOE_IQ_ALL_BITS) &&
+			    (tp->intr1_enabled & TOE_IQ_ALL_BITS)) {
+				//printk("status %x, bits %x, slct %x\n", status1, TOE_IQ_ALL_BITS, tp->intr1_selected);
+				toe_gmac_handle_toeq(dev, tp, status1);
+				//toe_gmac_handle_toeq(dev, toe, tp, status1);
+			}
+#endif
+		}
+	}
+
+
+	// Interrupt Status 0
+	if (status0 & tp->intr0_enabled)
+	{
+
+		#define ERR_INTR_BITS	(GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT |	\
+								 GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT |	\
+								 GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT |	\
+								 GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT)
+#ifndef	INTERRUPT_SELECT
+		if (status0 &  ERR_INTR_BITS)
+		{
+			if ((status0 & GMAC0_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXDERR_INT_BIT))
+			{
+				tp->txDerr_cnt[0]++;
+				printk("GMAC0 TX AHB Bus Error!\n");
+			}
+			if ((status0 & GMAC0_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_TXPERR_INT_BIT))
+			{
+				tp->txPerr_cnt[0]++;
+				printk("GMAC0 Tx Descriptor Protocol Error!\n");
+			}
+			if ((status0 & GMAC1_TXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXDERR_INT_BIT))
+			{
+				tp->txDerr_cnt[1]++;
+				printk("GMAC1 Tx AHB Bus Error!\n");
+			}
+			if ((status0 & GMAC1_TXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_TXPERR_INT_BIT))
+			{
+				tp->txPerr_cnt[1]++;
+				printk("GMAC1 Tx Descriptor Protocol Error!\n");
+			}
+
+			if ((status0 & GMAC0_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXDERR_INT_BIT))
+			{
+				tp->RxDerr_cnt[0]++;
+				printk("GMAC0 Rx AHB Bus Error!\n");
+			}
+			if ((status0 & GMAC0_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC0_RXPERR_INT_BIT))
+			{
+				tp->RxPerr_cnt[0]++;
+				printk("GMAC0 Rx Descriptor Protocol Error!\n");
+			}
+			if ((status0 & GMAC1_RXDERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXDERR_INT_BIT))
+			{
+				tp->RxDerr_cnt[1]++;
+				printk("GMAC1 Rx AHB Bus Error!\n");
+			}
+			if ((status0 & GMAC1_RXPERR_INT_BIT) && (tp->intr0_enabled & GMAC1_RXPERR_INT_BIT))
+			{
+				tp->RxPerr_cnt[1]++;
+				printk("GMAC1 Rx Descriptor Protocol Error!\n");
+			}
+		}
+#endif	//INTERRUPT_SELECT
+#ifndef	GMAX_TX_INTR_DISABLED
+		if (tp->port_id == 1 &&	netif_running(dev) &&
+			(((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT))
+			||
+			((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (tp->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT))))
+		{
+			toe_gmac_tx_complete(&toe_private_data.gmac[1], 0, dev, 1);
+		}
+
+		if (tp->port_id == 0 &&	netif_running(dev) &&
+			(((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT))
+			||
+			((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (tp->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT))))
+		{
+			toe_gmac_tx_complete(&toe_private_data.gmac[0], 0, dev, 1);
+		}
+#endif
+		// clear enabled status bits
+	}
+	// Interrupt Status 4
+#ifndef	INTERRUPT_SELECT
+	if (status4 & tp->intr4_enabled)
+	{
+		#define G1_INTR4_BITS		(0xff000000)
+		#define G0_INTR4_BITS		(0x00ff0000)
+
+		if (tp->port_id == 0)
+		{
+			if ((status4 & G0_INTR4_BITS) && (tp->intr4_enabled & G0_INTR4_BITS))
+			{
+				if (status4 & GMAC0_RESERVED_INT_BIT)
+					printk("GMAC0_RESERVED_INT_BIT is ON\n");
+				if (status4 & GMAC0_MIB_INT_BIT)
+					tp->mib_full_cnt++;
+				if (status4 & GMAC0_RX_PAUSE_ON_INT_BIT)
+					tp->rx_pause_on_cnt++;
+				if (status4 & GMAC0_TX_PAUSE_ON_INT_BIT)
+					tp->tx_pause_on_cnt++;
+				if (status4 & GMAC0_RX_PAUSE_OFF_INT_BIT)
+					tp->rx_pause_off_cnt++;
+				if (status4 & GMAC0_TX_PAUSE_OFF_INT_BIT)
+					tp->rx_pause_off_cnt++;
+				if (status4 & GMAC0_RX_OVERRUN_INT_BIT)
+					tp->rx_overrun_cnt++;
+				if (status4 & GMAC0_STATUS_CHANGE_INT_BIT)
+					tp->status_changed_cnt++;
+			}
+		}
+		else if (tp->port_id == 1)
+		{
+			if ((status4 & G1_INTR4_BITS) && (tp->intr4_enabled & G1_INTR4_BITS))
+			{
+				if (status4 & GMAC1_RESERVED_INT_BIT)
+					printk("GMAC1_RESERVED_INT_BIT is ON\n");
+				if (status4 & GMAC1_MIB_INT_BIT)
+					tp->mib_full_cnt++;
+				if (status4 & GMAC1_RX_PAUSE_ON_INT_BIT)
+				{
+					//printk("Gmac pause on\n");
+					tp->rx_pause_on_cnt++;
+				}
+				if (status4 & GMAC1_TX_PAUSE_ON_INT_BIT)
+				{
+					//printk("Gmac pause on\n");
+					tp->tx_pause_on_cnt++;
+				}
+				if (status4 & GMAC1_RX_PAUSE_OFF_INT_BIT)
+				{
+					//printk("Gmac pause off\n");
+					tp->rx_pause_off_cnt++;
+				}
+				if (status4 & GMAC1_TX_PAUSE_OFF_INT_BIT)
+				{
+					//printk("Gmac pause off\n");
+					tp->rx_pause_off_cnt++;
+				}
+				if (status4 & GMAC1_RX_OVERRUN_INT_BIT)
+				{
+					//printk("Gmac Rx Overrun \n");
+					tp->rx_overrun_cnt++;
+				}
+				if (status4 & GMAC1_STATUS_CHANGE_INT_BIT)
+					tp->status_changed_cnt++;
+			}
+		}
+#if 0
+		if ((status4 & SWFQ_EMPTY_INT_BIT) && (tp->intr4_enabled & SWFQ_EMPTY_INT_BIT))
+		{
+			// unsigned long data = REG32(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+//			mac_stop_rxdma(tp->sc);
+			gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_ENABLE_4_REG,
+				tp->intr4_enabled & ~SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT);
+
+			gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG,
+				SWFQ_EMPTY_INT_BIT, SWFQ_EMPTY_INT_BIT);
+			toe_gmac_fill_free_q();
+			tp->sw_fq_empty_cnt++;
+
+			gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4,
+				SWFQ_EMPTY_INT_BIT);
+//#if 0
+/*			if (netif_running(dev))
+				toe_gmac_handle_default_rxq(dev, tp);
+			printk("SWFQ_EMPTY_INT_BIT is ON!\n");	// should not be happened */
+//#endif
+		}
+#endif
+	}
+#endif	//INTERRUPT_SELECT
+	toe_gmac_enable_interrupt(tp->irq);
+//enable gmac rx function when do RFC 2544
+#ifdef IxscriptMate_1518
+	if (storlink_ctl.pauseoff == 1)
+	{
+		GMAC_CONFIG0_T config0;
+		config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
+		config0.bits.dis_rx = 0;
+		writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
+		config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
+		config0.bits.dis_rx = 0;
+		writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
+	}
+#endif
+	//printk("gmac_interrupt complete!\n\n");
+//	return IRQ_RETVAL(handled);
+	return	IRQ_RETVAL(1);
+#ifdef CONFIG_SL_NAPI
+}
+#endif
+}
+
+/*----------------------------------------------------------------------
+*	toe_gmac_handle_default_rxq
+*	(1) Get rx Buffer for default Rx queue
+*	(2) notify or call upper-routine to handle it
+*	(3) get a new buffer and insert it into SW free queue
+*	(4) Note: The SW free queue Read-Write Pointer should be locked when accessing
+*----------------------------------------------------------------------*/
+//static inline void toe_gmac_handle_default_rxq(struct net_device *dev, GMAC_INFO_T *tp)
+static void toe_gmac_handle_default_rxq(struct net_device *dev, GMAC_INFO_T *tp)
+{
+	TOE_INFO_T			*toe;
+    GMAC_RXDESC_T   	*curr_desc;
+	struct sk_buff 		*skb;
+    DMA_RWPTR_T			rwptr;
+	unsigned int 		pkt_size;
+	int					max_cnt;
+	unsigned int        desc_count;
+	unsigned int        good_frame, chksum_status, rx_status;
+	struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics;
+
+//when do ixia RFC 2544 test and packet size is select 1518 bytes,disable gmace rx function immediately after one interrupt come in.
+#ifdef IxscriptMate_1518
+	if (storlink_ctl.pauseoff == 1)
+	{
+		GMAC_CONFIG0_T config0;
+		config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
+		config0.bits.dis_rx = 1;
+		writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
+		config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
+		config0.bits.dis_rx = 1;
+		writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
+	}
+#endif
+	rwptr.bits32 = readl(&tp->default_qhdr->word1);
+#if 0
+	if (rwptr.bits.rptr != tp->rx_rwptr.bits.rptr)
+	{
+		mac_stop_txdma((struct net_device *)tp->dev);
+		printk("Default Queue HW RD ptr (0x%x) != SW RD Ptr (0x%x)\n",
+				rwptr.bits32, tp->rx_rwptr.bits.rptr);
+		while(1);
+	}
+#endif
+	toe = (TOE_INFO_T *)&toe_private_data;
+	max_cnt = DEFAULT_RXQ_MAX_CNT;
+	while ((--max_cnt) && rwptr.bits.rptr != rwptr.bits.wptr)
+//	while (rwptr.bits.rptr != rwptr.bits.wptr)
+	{
+//if packet size is not 1518 for RFC 2544,enable gmac rx function.The other packet size have RX workaround.
+#ifdef IxscriptMate_1518
+    	if (storlink_ctl.pauseoff == 1)
+		{
+			if (pkt_size != 1514)
+			{
+						GMAC_CONFIG0_T config0;
+						config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
+						config0.bits.dis_rx = 0;
+						writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
+						config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
+						config0.bits.dis_rx = 0;
+						writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
+			}
+		}
+#endif
+    	curr_desc = (GMAC_RXDESC_T *)tp->default_desc_base + rwptr.bits.rptr;
+//		consistent_sync(curr_desc, sizeof(GMAC_RXDESC_T), PCI_DMA_FROMDEVICE);
+		tp->default_q_cnt++;
+    	tp->rx_curr_desc = (unsigned int)curr_desc;
+    	rx_status = curr_desc->word0.bits.status;
+    	chksum_status = curr_desc->word0.bits.chksum_status;
+    	tp->rx_status_cnt[rx_status]++;
+    	tp->rx_chksum_cnt[chksum_status]++;
+        pkt_size = curr_desc->word1.bits.byte_count;  /*total byte count in a frame*/
+		desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */
+		good_frame=1;
+		if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr))
+			|| (pkt_size < 60)
+		    || (chksum_status & 0x4)
+			|| rx_status)
+		{
+			good_frame = 0;
+			if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr)
+				printk("%s::derr (GMAC-%d)!!!\n", __func__, tp->port_id);
+			if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr)
+				printk("%s::perr (GMAC-%d)!!!\n", __func__, tp->port_id);
+			if (rx_status)
+			{
+				if (rx_status == 4 || rx_status == 7)
+					isPtr->rx_crc_errors++;
+//				printk("%s::Status=%d (GMAC-%d)!!!\n", __func__, rx_status, tp->port_id);
+			}
+#ifdef SL351x_GMAC_WORKAROUND
+			else if (pkt_size < 60)
+			{
+				if (tp->short_frames_cnt < GMAC_SHORT_FRAME_THRESHOLD)
+					tp->short_frames_cnt++;
+				if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
+				{
+					GMAC_CONFIG0_T config0;
+					config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
+					config0.bits.dis_rx = 1;
+					writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
+					config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
+					config0.bits.dis_rx = 1;
+					writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
+				}
+			}
+#endif
+//			if (chksum_status)
+//				printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id);
+			skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
+			dev_kfree_skb_irq(skb);
+		}
+		if (good_frame)
+		{
+			if (curr_desc->word0.bits.drop)
+				printk("%s::Drop (GMAC-%d)!!!\n", __func__, tp->port_id);
+//			if (chksum_status)
+//				printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id);
+
+	    	/* get frame information from the first descriptor of the frame */
+#ifdef SL351x_GMAC_WORKAROUND
+			if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
+			{
+				GMAC_CONFIG0_T config0;
+				config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
+				config0.bits.dis_rx = 0;
+				writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
+				config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
+				config0.bits.dis_rx = 0;
+				writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
+			}
+			tp->short_frames_cnt = 0;
+#endif
+			isPtr->rx_packets++;
+			skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr - SKB_RESERVE_BYTES)));
+			if (!skb)
+			{
+				printk("Fatal Error!!skb==NULL\n");
+				goto next_rx;
+			}
+			tp->curr_rx_skb = skb;
+			// consistent_sync((void *)__va(curr_desc->word2.buf_adr), pkt_size, PCI_DMA_FROMDEVICE);
+
+	//		curr_desc->word2.buf_adr = 0;
+
+			skb_reserve (skb, RX_INSERT_BYTES);	/* 16 byte align the IP fields. */
+			skb_put(skb, pkt_size);
+			skb->dev = dev;
+			if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK)
+			{
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+#ifdef CONFIG_SL351x_NAT
+				if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset)
+				{
+					struct iphdr	*ip_hdr;
+					ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]);
+					sl351x_nat_input(skb,
+									tp->port_id,
+									(void *)curr_desc->word3.bits.l3_offset,
+								  	(void *)curr_desc->word3.bits.l4_offset);
+				}
+#endif
+				skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
+#if 0
+#ifdef CONFIG_SL351x_RXTOE
+				if (storlink_ctl.rx_max_pktsize) {
+					struct iphdr	*ip_hdr;
+					struct tcphdr	*tcp_hdr;
+					int ip_hdrlen;
+
+ 					ip_hdr = (struct iphdr*)&(skb->data[0]);
+					if ((skb->protocol == __constant_htons(ETH_P_IP)) &&
+					   ((ip_hdr->protocol & 0x00ff) == IPPROTO_TCP)) {
+						ip_hdrlen = ip_hdr->ihl << 2;
+						tcp_hdr = (struct tcphdr*)&(skb->data[ip_hdrlen]);
+						if (tcp_hdr->syn) {
+							struct toe_conn* connection = init_toeq(ip_hdr->version,
+									ip_hdr, tcp_hdr, toe, &(skb->data[0]) - 14);
+							TCP_SKB_CB(skb)->connection = connection;
+							//	hash_dump_entry(TCP_SKB_CB(skb)->connection->hash_entry_index);
+							//		printk("%s::skb data %x, conn %x, mode %x\n",
+							//			__func__, skb->data, connection, connection->mode);
+						}
+					}
+				}
+#endif
+#endif
+			}
+			else if (chksum_status == RX_CHKSUM_IP_OK_ONLY)
+			{
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+#ifdef CONFIG_SL351x_NAT
+				if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset)
+				{
+					struct iphdr		*ip_hdr;
+					//struct tcphdr		*tcp_hdr;
+					ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]);
+					//tcp_hdr = (struct tcphdr *)&(skb->data[curr_desc->word3.bits.l4_offset]);
+					if (ip_hdr->protocol == IPPROTO_UDP)
+					{
+						sl351x_nat_input(skb,
+										tp->port_id,
+										(void *)curr_desc->word3.bits.l3_offset,
+								  		(void *)curr_desc->word3.bits.l4_offset);
+					}
+					else if (ip_hdr->protocol == IPPROTO_GRE)
+					{
+						sl351x_nat_input(skb,
+									tp->port_id,
+									(void *)curr_desc->word3.bits.l3_offset,
+								  	(void *)curr_desc->word3.bits.l4_offset);
+					}
+				}
+#endif
+				skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
+			}
+			else
+			{
+				skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
+			}
+
+			netif_rx(skb);  /* socket rx */
+			dev->last_rx = jiffies;
+
+			isPtr->rx_bytes += pkt_size;
+
+        }
+
+next_rx:
+		// advance one for Rx default Q 0/1
+		rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num);
+		SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr);
+     	tp->rx_rwptr.bits32 = rwptr.bits32;
+
+		toe_gmac_fill_free_q();
+	}
+}
+
+/*----------------------------------------------------------------------
+* gmac_get_phy_vendor
+*----------------------------------------------------------------------*/
+static unsigned int gmac_get_phy_vendor(int phy_addr)
+{
+    unsigned int	reg_val;
+    reg_val=(mii_read(phy_addr,0x02) << 16) + mii_read(phy_addr,0x03);
+    return reg_val;
+}
+
+/*----------------------------------------------------------------------
+* gmac_set_phy_status
+*----------------------------------------------------------------------*/
+void gmac_set_phy_status(struct net_device *dev)
+{
+	GMAC_INFO_T *tp = dev->priv;
+	GMAC_STATUS_T   status;
+	unsigned int    reg_val, ability,wan_port_id;
+	unsigned int    i = 0;
+
+#ifdef VITESSE_G5SWITCH
+	if((tp->port_id == GMAC_PORT1)&&(Giga_switch==1)){
+#if 0
+		rcv_mask = SPI_read(2,0,0x10);			// Receive mask
+		rcv_mask |= 0x4F;
+		for(i=0;i<4;i++){
+			reg_val = BIT(26)|(i<<21)|(10<<16);
+			SPI_write(3,0,1,reg_val);
+			msleep(10);
+			reg_val = SPI_read(3,0,2);
+			if(reg_val & 0x0c00){
+				printk("Port%d:Giga mode\n",i);
+				SPI_write(1,i,0x00,0x300701B1);
+				SPI_write(1,i,0x00,0x10070181);
+				switch_pre_link[i]=LINK_UP;
+				switch_pre_speed[i]=GMAC_SPEED_1000;
+			}
+			else{
+				reg_val = BIT(26)|(i<<21)|(5<<16);
+				SPI_write(3,0,1,reg_val);
+				msleep(10);
+				ability = (reg_val = SPI_read(3,0,2)&0x5e0) >>5;
+				if ((ability & 0x0C)) /* 100M full duplex */
+				{
+					SPI_write(1,i,0x00,0x30050472);
+					SPI_write(1,i,0x00,0x10050442);
+					printk("Port%d:100M\n",i);
+					switch_pre_link[i]=LINK_UP;
+				switch_pre_speed[i]=GMAC_SPEED_100;
+				}
+				else if((ability & 0x03)) /* 10M full duplex */
+				{
+					SPI_write(1,i,0x00,0x30050473);
+					SPI_write(1,i,0x00,0x10050443);
+					printk("Port%d:10M\n",i);
+					switch_pre_link[i]=LINK_UP;
+					switch_pre_speed[i]=GMAC_SPEED_10;
+				}
+				else{
+					SPI_write(1,i,0x00,BIT(16));			// disable RX
+					SPI_write(5,0,0x0E,BIT(i));			// dicard packet
+					while((SPI_read(5,0,0x0C)&BIT(i))==0)		// wait to be empty
+						msleep(1);
+
+					SPI_write(1,i,0x00,0x20000030);			// PORT_RST
+					switch_pre_link[i]=LINK_DOWN;
+					switch_pre_speed[i]=GMAC_SPEED_10;
+					rcv_mask &= ~BIT(i);
+					SPI_write(2,0,0x10,rcv_mask);			// Disable Receive
+				}
+			}
+		}
+#endif
+		gmac_get_switch_status(dev);
+		gmac_write_reg(tp->base_addr, GMAC_STATUS, 0x7d, 0x0000007f);
+//		SPI_write(2,0,0x10,rcv_mask);			// Enable Receive
+		return ;
+	}
+#endif
+
+	reg_val = gmac_get_phy_vendor(tp->phy_addr);
+	printk("GMAC-%d Addr %d Vendor ID: 0x%08x\n", tp->port_id, tp->phy_addr, reg_val);
+
+	switch (tp->phy_mode)
+	{
+		case GMAC_PHY_GMII:
+		mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
+		#ifdef CONFIG_SL3516_ASIC
+		mii_write(tp->phy_addr,0x09,0x0300); /* advertise 1000M full/half duplex */
+		#else
+		mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M full/half duplex */
+		#endif
+		break;
+		case GMAC_PHY_RGMII_100:
+		mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
+		mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M */
+		break;
+		case GMAC_PHY_RGMII_1000:
+		mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
+		#ifdef CONFIG_SL3516_ASIC
+		mii_write(tp->phy_addr,0x09,0x0300); /* advertise 1000M full/half duplex */
+		#else
+		mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M full/half duplex */
+		#endif
+		break;
+		case GMAC_PHY_MII:
+		default:
+		mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
+		mii_write(tp->phy_addr,0x09,0x0000); /* advertise no 1000M */
+		break;
+	}
+
+	mii_write(tp->phy_addr,0x18,0x0041);	// Phy active led
+	if (tp->auto_nego_cfg)
+	{
+		reg_val = 0x1200 | (1 << 15);
+		mii_write(tp->phy_addr,0x00,reg_val); /* Enable and Restart Auto-Negotiation */
+		mdelay(500);
+		reg_val &= ~(1 << 15);
+		mii_write(tp->phy_addr, 0x00, reg_val);
+	}
+	else
+	{
+		reg_val = 0;
+		reg_val |= (tp->full_duplex_cfg) ? (1 << 8) : 0;
+		reg_val |= (tp->speed_cfg == GMAC_SPEED_1000) ? (1 << 6) : 0;
+		reg_val |= (tp->speed_cfg == GMAC_SPEED_100) ? (1 << 13) : 0;
+		mii_write(tp->phy_addr, 0x00, reg_val);
+		mdelay(100);
+
+		reg_val |= (1 << 15);	// Reset PHY;
+		mii_write(tp->phy_addr, 0x00, reg_val);
+	}
+
+	status.bits32 = 0;
+	/* set PHY operation mode */
+	status.bits.mii_rmii = tp->phy_mode;
+	status.bits.reserved = 1;
+	mdelay(100);
+	while (((reg_val=mii_read(tp->phy_addr,0x01)) & 0x00000004)!=0x04)
+	{
+		msleep(100);
+		i++;
+		if (i > 30)
+		break;
+	}
+	if (i>30)
+	{
+		tp->pre_phy_status = LINK_DOWN;
+		status.bits.link = LINK_DOWN;
+		//		clear_bit(__LINK_STATE_START, &dev->state);
+		printk("Link Down (0x%04x) ", reg_val);
+		if(Giga_switch == 1)
+		{
+				wan_port_id = 1;
+#ifdef CONFIG_SL351x_SYSCTL
+				storlink_ctl.link[ wan_port_id] = 0;
+#endif
+		}
+		else
+		{
+#ifdef CONFIG_SL351x_SYSCTL
+				storlink_ctl.link[ tp->port_id] = 0;
+#endif
+		}
+	}
+	else
+	{
+		tp->pre_phy_status = LINK_UP;
+		status.bits.link = LINK_UP;
+		//		set_bit(__LINK_STATE_START, &dev->state);
+		printk("Link Up (0x%04x) ",reg_val);
+		if(Giga_switch == 1)
+		{
+				wan_port_id = 1;
+#ifdef CONFIG_SL351x_SYSCTL
+				storlink_ctl.link[ wan_port_id] = 1;
+#endif
+		}
+		else
+		{
+#ifdef CONFIG_SL351x_SYSCTL
+				storlink_ctl.link[ tp->port_id] = 1;
+#endif
+		}
+	}
+	//    value = mii_read(PHY_ADDR,0x05);
+
+	ability = (mii_read(tp->phy_addr,0x05) & 0x05E0) >> 5;
+
+	//#ifdef CONFIG_SL3516_ASIC
+	reg_val = mii_read(tp->phy_addr,10);
+	printk("MII REG 10 = 0x%x\n",reg_val);
+
+	if ((reg_val & 0x0800) == 0x0800)
+	{
+		status.bits.duplex = 1;
+		status.bits.speed = 2;
+		if (status.bits.mii_rmii == GMAC_PHY_RGMII_100)
+		status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
+
+		printk(" 1000M/Full \n");
+	}
+	else if ((reg_val & 0x0400) == 0x0400)
+	{
+		status.bits.duplex = 0;
+		status.bits.speed = 2;
+		if (status.bits.mii_rmii == GMAC_PHY_RGMII_100)
+		status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
+
+		printk(" 1000M/Half \n");
+	}
+	//#endif
+	else
+	{
+		#ifdef CONFIG_SL3516_ASIC
+		if (status.bits.mii_rmii == GMAC_PHY_RGMII_1000)
+		status.bits.mii_rmii = GMAC_PHY_RGMII_100;
+		#endif
+		printk("MII REG 5 (bit 5:15) = 0x%x\n", ability);
+		if ((ability & 0x08)==0x08) /* 100M full duplex */
+		{
+			status.bits.duplex = 1;
+			status.bits.speed = 1;
+			printk(" 100M/Full\n");
+
+		}
+		else if ((ability & 0x04)==0x04) /* 100M half duplex */
+		{
+			status.bits.duplex = 0;
+			status.bits.speed = 1;
+			printk(" 100M/Half\n");
+
+		}
+		else if ((ability & 0x02)==0x02) /* 10M full duplex */
+		{
+			status.bits.duplex = 1;
+			status.bits.speed = 0;
+			printk(" 10M/Full\n");
+
+		}
+		else if ((ability & 0x01)==0x01) /* 10M half duplex */
+		{
+			status.bits.duplex = 0;
+			status.bits.speed = 0;
+			printk(" 10M/Half\n");
+
+		}
+	}
+	if ((ability & 0x20)==0x20)
+	{
+		tp->flow_control_enable = 1;
+		printk("Flow Control Enable.\n");
+	}
+	else
+	{
+		tp->flow_control_enable = 0;
+		printk("Flow Control Disable.\n");
+	}
+	tp->full_duplex_status = status.bits.duplex;
+	tp->speed_status = status.bits.speed;
+	if (!tp->auto_nego_cfg)
+	{
+		status.bits.duplex = tp->full_duplex_cfg;
+		status.bits.speed = tp->speed_cfg;
+	}
+	toe_gmac_disable_tx_rx(dev);
+	mdelay(10);
+	gmac_write_reg(tp->base_addr, GMAC_STATUS, status.bits32, 0x0000007f);
+	toe_gmac_enable_tx_rx(dev);
+}
+
+/*----------------------------------------------------------------------
+* gmac_phy_thread
+*----------------------------------------------------------------------*/
+static int gmac_phy_thread (void *data)
+{
+	struct net_device   *dev = data;
+	GMAC_INFO_T *tp = dev->priv;
+	unsigned long       timeout;
+
+    daemonize("%s", dev->name);
+	allow_signal(SIGTERM);
+//	reparent_to_init();
+//	spin_lock_irq(&current->sigmask_lock);
+//	sigemptyset(&current->blocked);
+//	recalc_sigpending(current);
+//	spin_unlock_irq(&current->sigmask_lock);
+//	strncpy (current->comm, dev->name, sizeof(current->comm) - 1);
+//	current->comm[sizeof(current->comm) - 1] = '\0';
+
+	while (1)
+	{
+	    timeout = next_tick;
+		do
+		{
+			timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout);
+		} while (!signal_pending (current) && (timeout > 0));
+
+		if (signal_pending (current))
+		{
+//			spin_lock_irq(&current->sigmask_lock);
+			flush_signals(current);
+//			spin_unlock_irq(&current->sigmask_lock);
+		}
+
+		if (tp->time_to_die)
+			break;
+
+		// printk("%s : Polling MAC %d PHY Status...\n",__func__, tp->port_id);
+		rtnl_lock ();
+		if (tp->auto_nego_cfg){
+#ifdef VITESSE_G5SWITCH
+        		if((tp->port_id == GMAC_PORT1)&&(Giga_switch==1))
+	        		gmac_get_switch_status(dev);
+        		else
+#endif
+        			gmac_get_phy_status(dev); //temp remove
+        	}
+		rtnl_unlock ();
+	}
+	complete_and_exit (&tp->thr_exited, 0);
+}
+
+/*----------------------------------------------------------------------
+* gmac_get_switch_status
+*----------------------------------------------------------------------*/
+#ifdef VITESSE_G5SWITCH
+void gmac_get_switch_status(struct net_device *dev)
+{
+	GMAC_INFO_T *tp = dev->priv;
+	GMAC_CONFIG0_T	config0,config0_mask;
+	unsigned int	switch_port_id;
+	int get_link=0;
+
+	get_link = Get_Set_port_status();
+	if(get_link){				// link
+		if(ever_dwon){
+			ever_dwon = 0;
+			toe_gmac_enable_tx_rx(dev);
+			netif_wake_queue(dev);
+			set_bit(__LINK_STATE_START, &dev->state);
+		}
+	}
+	else{					// all down
+		//printk("All link down\n");
+		ever_dwon=1;
+		netif_stop_queue(dev);
+		toe_gmac_disable_tx_rx(dev);
+		clear_bit(__LINK_STATE_START, &dev->state);
+	}
+
+	if ( tp->port_id == 1 )
+		switch_port_id = 0;
+#ifdef CONFIG_SL351x_SYSCTL
+	if (get_link)
+	{
+		storlink_ctl.link[switch_port_id] = 1;
+	}
+	else
+	{
+		storlink_ctl.link[switch_port_id] = 0;
+	}
+	if (storlink_ctl.pauseoff == 1)
+		{
+			if (tp->flow_control_enable == 1)
+			{
+				config0.bits32 = 0;
+				config0_mask.bits32 = 0;
+				config0.bits.tx_fc_en = 0; /* disable tx flow control */
+				config0.bits.rx_fc_en = 0; /* disable rx flow control */
+				config0_mask.bits.tx_fc_en = 1;
+				config0_mask.bits.rx_fc_en = 1;
+				gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
+				printk("Disable SWITCH Flow Control...\n");
+			}
+				tp->flow_control_enable = 0;
+		}
+		else
+#endif
+		{
+			if (tp->flow_control_enable == 0)
+			{
+				config0.bits32 = 0;
+				config0_mask.bits32 = 0;
+				config0.bits.tx_fc_en = 1; /* enable tx flow control */
+				config0.bits.rx_fc_en = 1; /* enable rx flow control */
+				config0_mask.bits.tx_fc_en = 1;
+				config0_mask.bits.rx_fc_en = 1;
+				gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
+				printk("Enable SWITCH Flow Control...\n");
+			}
+			tp->flow_control_enable = 1;
+		}
+	return ;
+
+}
+#endif
+
+/*----------------------------------------------------------------------
+* gmac_get_phy_status
+*----------------------------------------------------------------------*/
+void gmac_get_phy_status(struct net_device *dev)
+{
+	GMAC_INFO_T *tp = dev->priv;
+	GMAC_CONFIG0_T	config0,config0_mask;
+	GMAC_STATUS_T   status, old_status;
+	unsigned int    reg_val,ability,wan_port_id;
+
+	old_status.bits32 = status.bits32 = gmac_read_reg(tp->base_addr, GMAC_STATUS);
+
+
+	/* read PHY status register */
+	reg_val = mii_read(tp->phy_addr,0x01);
+	if ((reg_val & 0x0024) == 0x0024) /* link is established and auto_negotiate process completed */
+	{
+		ability = (mii_read(tp->phy_addr,0x05) & 0x05E0) >> 5;
+		/* read PHY Auto-Negotiation Link Partner Ability Register */
+		#ifdef CONFIG_SL3516_ASIC
+		reg_val = mii_read(tp->phy_addr,10);
+		if ((reg_val & 0x0800) == 0x0800)
+		{
+			status.bits.duplex = 1;
+			status.bits.speed = 2;
+			if (status.bits.mii_rmii == GMAC_PHY_RGMII_100)
+			status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
+		}
+		else if ((reg_val & 0x0400) == 0x0400)
+		{
+			status.bits.duplex = 0;
+			status.bits.speed = 2;
+			if (status.bits.mii_rmii == GMAC_PHY_RGMII_100)
+			status.bits.mii_rmii = GMAC_PHY_RGMII_1000;
+		}
+		else
+		#endif
+		{
+			#ifdef CONFIG_SL3516_ASIC
+			if (status.bits.mii_rmii == GMAC_PHY_RGMII_1000)
+			status.bits.mii_rmii = GMAC_PHY_RGMII_100;
+			#endif
+			if ((ability & 0x08)==0x08) /* 100M full duplex */
+			{
+				status.bits.duplex = 1;
+				status.bits.speed = 1;
+			}
+			else if ((ability & 0x04)==0x04) /* 100M half duplex */
+			{
+				status.bits.duplex = 0;
+				status.bits.speed = 1;
+			}
+			else if ((ability & 0x02)==0x02) /* 10M full duplex */
+			{
+				status.bits.duplex = 1;
+				status.bits.speed = 0;
+			}
+			else if ((ability & 0x01)==0x01) /* 10M half duplex */
+			{
+				status.bits.duplex = 0;
+				status.bits.speed = 0;
+			}
+		}
+		status.bits.link = LINK_UP; /* link up */
+		if(Giga_switch==1)
+		{
+				wan_port_id = 1;
+#ifdef CONFIG_SL351x_SYSCTL
+				storlink_ctl.link[ wan_port_id] = 1;
+		}
+		else
+		{
+				storlink_ctl.link[ tp->port_id] = 1;
+#endif
+		}
+		if ((ability & 0x20)==0x20)
+		{
+			if (tp->flow_control_enable == 0)
+			{
+				config0.bits32 = 0;
+				config0_mask.bits32 = 0;
+				config0.bits.tx_fc_en = 1; /* enable tx flow control */
+				config0.bits.rx_fc_en = 1; /* enable rx flow control */
+				config0_mask.bits.tx_fc_en = 1;
+				config0_mask.bits.rx_fc_en = 1;
+				gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
+				printk("GMAC-%d Flow Control Enable.\n", tp->port_id);
+			}
+			tp->flow_control_enable = 1;
+		}
+		else
+		{
+			if (tp->flow_control_enable == 1)
+			{
+				config0.bits32 = 0;
+				config0_mask.bits32 = 0;
+				config0.bits.tx_fc_en = 0; /* disable tx flow control */
+				config0.bits.rx_fc_en = 0; /* disable rx flow control */
+				config0_mask.bits.tx_fc_en = 1;
+				config0_mask.bits.rx_fc_en = 1;
+				gmac_write_reg(tp->base_addr, GMAC_CONFIG0,config0.bits32,config0_mask.bits32);
+				printk("GMAC-%d Flow Control Disable.\n", tp->port_id);
+			}
+			tp->flow_control_enable = 0;
+		}
+
+		if (tp->pre_phy_status == LINK_DOWN)
+		{
+			printk("GMAC-%d LINK_UP......\n",tp->port_id);
+			tp->pre_phy_status = LINK_UP;
+		}
+	}
+	else
+	{
+		status.bits.link = LINK_DOWN; /* link down */
+		if(Giga_switch == 1)
+		{
+				wan_port_id = 1;
+#ifdef CONFIG_SL351x_SYSCTL
+				storlink_ctl.link[ wan_port_id] = 0;
+		}
+		else
+		{
+				storlink_ctl.link[ tp->port_id] = 0;
+#endif
+		}
+		if (tp->pre_phy_status == LINK_UP)
+		{
+			printk("GMAC-%d LINK_Down......\n",tp->port_id);
+			tp->pre_phy_status = LINK_DOWN;
+		}
+	}
+
+	tp->full_duplex_status = status.bits.duplex;
+	tp->speed_status = status.bits.speed;
+	if (!tp->auto_nego_cfg)
+	{
+		status.bits.duplex = tp->full_duplex_cfg;
+		status.bits.speed = tp->speed_cfg;
+	}
+
+	if (old_status.bits32 != status.bits32)
+	{
+		netif_stop_queue(dev);
+		toe_gmac_disable_tx_rx(dev);
+		clear_bit(__LINK_STATE_START, &dev->state);
+		printk("GMAC-%d Change Status Bits 0x%x-->0x%x\n",tp->port_id, old_status.bits32, status.bits32);
+		mdelay(10); // let GMAC consume packet
+		gmac_write_reg(tp->base_addr, GMAC_STATUS, status.bits32, 0x0000007f);
+		if (status.bits.link == LINK_UP)
+		{
+			toe_gmac_enable_tx_rx(dev);
+			netif_wake_queue(dev);
+			set_bit(__LINK_STATE_START, &dev->state);
+		}
+	}
+}
+
+/***************************************/
+/* define GPIO module base address     */
+/***************************************/
+#define GPIO_BASE_ADDR  (IO_ADDRESS(SL2312_GPIO_BASE))
+#define GPIO_BASE_ADDR1  (IO_ADDRESS(SL2312_GPIO_BASE1))
+
+/* define GPIO pin for MDC/MDIO */
+#ifdef CONFIG_SL3516_ASIC
+#define H_MDC_PIN           22
+#define H_MDIO_PIN          21
+#define G_MDC_PIN           22
+#define G_MDIO_PIN          21
+#else
+#define H_MDC_PIN           3
+#define H_MDIO_PIN          2
+#define G_MDC_PIN           0
+#define G_MDIO_PIN          1
+#endif
+
+//#define GPIO_MDC             0x80000000
+//#define GPIO_MDIO            0x00400000
+
+static unsigned int GPIO_MDC = 0;
+static unsigned int GPIO_MDIO = 0;
+static unsigned int GPIO_MDC_PIN = 0;
+static unsigned int GPIO_MDIO_PIN = 0;
+
+// For PHY test definition!!
+#define LPC_EECK		0x02
+#define LPC_EDIO		0x04
+#define LPC_GPIO_SET		3
+#define LPC_BASE_ADDR		IO_ADDRESS(IT8712_IO_BASE)
+#define inb_gpio(x)		inb(LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
+#define outb_gpio(x, y)		outb(y, LPC_BASE_ADDR + IT8712_GPIO_BASE + x)
+
+enum GPIO_REG
+{
+    GPIO_DATA_OUT   = 0x00,
+    GPIO_DATA_IN    = 0x04,
+    GPIO_PIN_DIR    = 0x08,
+    GPIO_BY_PASS    = 0x0c,
+    GPIO_DATA_SET   = 0x10,
+    GPIO_DATA_CLEAR = 0x14,
+};
+/***********************/
+/*    MDC : GPIO[31]   */
+/*    MDIO: GPIO[22]   */
+/***********************/
+
+/***************************************************
+* All the commands should have the frame structure:
+*<PRE><ST><OP><PHYAD><REGAD><TA><DATA><IDLE>
+****************************************************/
+
+/*****************************************************************
+* Inject a bit to NWay register through CSR9_MDC,MDIO
+*******************************************************************/
+void mii_serial_write(char bit_MDO) // write data into mii PHY
+{
+#ifdef CONFIG_SL2312_LPC_IT8712
+	unsigned char iomode,status;
+
+	iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
+	iomode |= (LPC_EECK|LPC_EDIO) ;				// Set EECK,EDIO,EECS output
+	LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
+
+	if(bit_MDO)
+	{
+		status = inb_gpio( LPC_GPIO_SET);
+		status |= LPC_EDIO ;		//EDIO high
+		outb_gpio(LPC_GPIO_SET, status);
+	}
+	else
+	{
+		status = inb_gpio( LPC_GPIO_SET);
+		status &= ~(LPC_EDIO) ;		//EDIO low
+		outb_gpio(LPC_GPIO_SET, status);
+	}
+
+	status |= LPC_EECK ;		//EECK high
+	outb_gpio(LPC_GPIO_SET, status);
+
+	status &= ~(LPC_EECK) ;		//EECK low
+	outb_gpio(LPC_GPIO_SET, status);
+
+#else
+    unsigned int addr;
+    unsigned int value;
+
+    addr = GPIO_BASE_ADDR + GPIO_PIN_DIR;
+    value = readl(addr) | GPIO_MDC | GPIO_MDIO; /* set MDC/MDIO Pin to output */
+    writel(value,addr);
+    if(bit_MDO)
+    {
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
+        writel(GPIO_MDIO,addr); /* set MDIO to 1 */
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
+        writel(GPIO_MDC,addr); /* set MDC to 1 */
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+        writel(GPIO_MDC,addr); /* set MDC to 0 */
+    }
+    else
+    {
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+        writel(GPIO_MDIO,addr); /* set MDIO to 0 */
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_SET);
+        writel(GPIO_MDC,addr); /* set MDC to 1 */
+        addr = (GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+        writel(GPIO_MDC,addr); /* set MDC to 0 */
+    }
+
+#endif
+}
+
+/**********************************************************************
+* read a bit from NWay register through CSR9_MDC,MDIO
+***********************************************************************/
+unsigned int mii_serial_read(void) // read data from mii PHY
+{
+#ifdef CONFIG_SL2312_LPC_IT8712
+  	unsigned char iomode,status;
+	unsigned int value ;
+
+	iomode = LPCGetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET);
+	iomode &= ~(LPC_EDIO) ;		// Set EDIO input
+	iomode |= (LPC_EECK) ;		// Set EECK,EECS output
+	LPCSetConfig(LDN_GPIO, 0xc8 + LPC_GPIO_SET, iomode);
+
+	status = inb_gpio( LPC_GPIO_SET);
+	status |= LPC_EECK ;		//EECK high
+	outb_gpio(LPC_GPIO_SET, status);
+
+	status &= ~(LPC_EECK) ;		//EECK low
+	outb_gpio(LPC_GPIO_SET, status);
+
+	value = inb_gpio( LPC_GPIO_SET);
+
+	value = value>>2 ;
+	value &= 0x01;
+
+	return value ;
+
+#else
+    unsigned int *addr;
+    unsigned int value;
+
+    addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_PIN_DIR);
+    value = readl(addr) & ~GPIO_MDIO; //0xffbfffff;   /* set MDC to output and MDIO to input */
+    writel(value,addr);
+
+    addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_SET);
+    writel(GPIO_MDC,addr); /* set MDC to 1 */
+    addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_CLEAR);
+    writel(GPIO_MDC,addr); /* set MDC to 0 */
+
+    addr = (unsigned int *)(GPIO_BASE_ADDR + GPIO_DATA_IN);
+    value = readl(addr);
+    value = (value & (1<<GPIO_MDIO_PIN)) >> GPIO_MDIO_PIN;
+    return(value);
+
+#endif
+}
+
+/***************************************
+* preamble + ST
+***************************************/
+void mii_pre_st(void)
+{
+    unsigned char i;
+
+    for(i=0;i<32;i++) // PREAMBLE
+        mii_serial_write(1);
+    mii_serial_write(0); // ST
+    mii_serial_write(1);
+}
+
+
+/******************************************
+* Read MII register
+* phyad -> physical address
+* regad -> register address
+***************************************** */
+unsigned int mii_read(unsigned char phyad,unsigned char regad)
+{
+    unsigned int i,value;
+    unsigned int bit;
+
+    if (phyad == GPHY_ADDR)
+    {
+        GPIO_MDC_PIN = G_MDC_PIN;   /* assigned MDC pin for giga PHY */
+        GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */
+    }
+    else
+    {
+        GPIO_MDC_PIN = H_MDC_PIN;   /* assigned MDC pin for 10/100 PHY */
+        GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */
+    }
+    GPIO_MDC = (1<<GPIO_MDC_PIN);
+    GPIO_MDIO = (1<<GPIO_MDIO_PIN);
+
+    mii_pre_st(); // PRE+ST
+    mii_serial_write(1); // OP
+    mii_serial_write(0);
+
+    for (i=0;i<5;i++) { // PHYAD
+        bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ;
+        mii_serial_write(bit);
+    }
+
+    for (i=0;i<5;i++) { // REGAD
+        bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ;
+        mii_serial_write(bit);
+    }
+
+    mii_serial_read(); // TA_Z
+//    if((bit=mii_serial_read()) !=0 ) // TA_0
+//    {
+//        return(0);
+//    }
+    value=0;
+    for (i=0;i<16;i++) { // READ DATA
+        bit=mii_serial_read();
+        value += (bit<<(15-i)) ;
+    }
+
+    mii_serial_write(0); // dumy clock
+    mii_serial_write(0); // dumy clock
+
+	//printk("%s: phy_addr=0x%x reg_addr=0x%x value=0x%x \n",__func__,phyad,regad,value);
+    return(value);
+}
+
+/******************************************
+* Write MII register
+* phyad -> physical address
+* regad -> register address
+* value -> value to be write
+***************************************** */
+void mii_write(unsigned char phyad,unsigned char regad,unsigned int value)
+{
+    unsigned int i;
+    char bit;
+
+	printk("%s: phy_addr=0x%x reg_addr=0x%x value=0x%x \n",__func__,phyad,regad,value);
+    if (phyad == GPHY_ADDR)
+    {
+        GPIO_MDC_PIN = G_MDC_PIN;   /* assigned MDC pin for giga PHY */
+        GPIO_MDIO_PIN = G_MDIO_PIN; /* assigned MDIO pin for giga PHY */
+    }
+    else
+    {
+        GPIO_MDC_PIN = H_MDC_PIN;   /* assigned MDC pin for 10/100 PHY */
+        GPIO_MDIO_PIN = H_MDIO_PIN; /* assigned MDIO pin for 10/100 PHY */
+    }
+    GPIO_MDC = (1<<GPIO_MDC_PIN);
+    GPIO_MDIO = (1<<GPIO_MDIO_PIN);
+
+    mii_pre_st(); // PRE+ST
+    mii_serial_write(0); // OP
+    mii_serial_write(1);
+    for (i=0;i<5;i++) { // PHYAD
+        bit= ((phyad>>(4-i)) & 0x01) ? 1 :0 ;
+        mii_serial_write(bit);
+    }
+
+    for (i=0;i<5;i++) { // REGAD
+        bit= ((regad>>(4-i)) & 0x01) ? 1 :0 ;
+        mii_serial_write(bit);
+    }
+    mii_serial_write(1); // TA_1
+    mii_serial_write(0); // TA_0
+
+    for (i=0;i<16;i++) { // OUT DATA
+        bit= ((value>>(15-i)) & 0x01) ? 1 : 0 ;
+        mii_serial_write(bit);
+    }
+    mii_serial_write(0); // dumy clock
+    mii_serial_write(0); // dumy clock
+}
+
+/*----------------------------------------------------------------------
+* gmac_set_rx_mode
+*----------------------------------------------------------------------*/
+static void gmac_set_rx_mode(struct net_device *dev)
+{
+    GMAC_RX_FLTR_T      filter;
+	unsigned int        mc_filter[2];	/* Multicast hash filter */
+    int                 bit_nr;
+	unsigned int        i;
+	GMAC_INFO_T 		*tp = dev->priv;
+
+//    printk("%s : dev->flags = %x \n",__func__,dev->flags);
+//    dev->flags |= IFF_ALLMULTI;  /* temp */
+    filter.bits32 = 0;
+    filter.bits.error = 0;
+	if (dev->flags & IFF_PROMISC)
+	{
+	    filter.bits.error = 1;
+        filter.bits.promiscuous = 1;
+        filter.bits.broadcast = 1;
+        filter.bits.multicast = 1;
+        filter.bits.unicast = 1;
+		mc_filter[1] = mc_filter[0] = 0xffffffff;
+	}
+	else if (dev->flags & IFF_ALLMULTI)
+	{
+//        filter.bits.promiscuous = 1;
+        filter.bits.broadcast = 1;
+        filter.bits.multicast = 1;
+        filter.bits.unicast = 1;
+		mc_filter[1] = mc_filter[0] = 0xffffffff;
+	}
+	else
+	{
+		struct dev_mc_list *mclist;
+
+//        filter.bits.promiscuous = 1;
+        filter.bits.broadcast = 1;
+        filter.bits.multicast = 1;
+        filter.bits.unicast = 1;
+		mc_filter[1] = mc_filter[0] = 0;
+		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;i++, mclist = mclist->next)
+		{
+            bit_nr = ether_crc(ETH_ALEN,mclist->dmi_addr) & 0x0000003f;
+            if (bit_nr < 32)
+            {
+                mc_filter[0] = mc_filter[0] | (1<<bit_nr);
+            }
+            else
+            {
+                mc_filter[1] = mc_filter[1] | (1<<(bit_nr-32));
+            }
+		}
+	}
+    gmac_write_reg(tp->base_addr,GMAC_RX_FLTR,filter.bits32,0xffffffff);  //chech base address!!!
+    gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL0,mc_filter[0],0xffffffff);
+    gmac_write_reg(tp->base_addr,GMAC_MCAST_FIL1,mc_filter[1],0xffffffff);
+    return;
+}
+
+#ifdef CONFIG_SL_NAPI
+/*----------------------------------------------------------------------
+* gmac_rx_poll
+*----------------------------------------------------------------------*/
+static int gmac_rx_poll(struct net_device *dev, int *budget)
+{
+	TOE_INFO_T			*toe;
+    GMAC_RXDESC_T   	*curr_desc;
+	struct sk_buff 		*skb;
+    DMA_RWPTR_T			rwptr;
+	unsigned int 		pkt_size;
+	unsigned int        desc_count;
+	unsigned int        good_frame, chksum_status, rx_status;
+	int                 rx_pkts_num = 0;
+	int                 quota = min(dev->quota, *budget);
+	GMAC_INFO_T			*tp = (GMAC_INFO_T *)dev->priv;
+	unsigned int		status4;
+	volatile DMA_RWPTR_T	fq_rwptr;
+	int					max_cnt = TOE_SW_FREEQ_DESC_NUM;//TOE_SW_FREEQ_DESC_NUM = 64
+	//unsigned long		rx_old_bytes;
+	struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics;
+	//unsigned long long	rx_time;
+
+
+
+#if 1
+	if (do_again)
+	{
+			toe_gmac_fill_free_q();
+			status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
+			fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+			//printk("\n%s:: do_again toe_gmac_fill_free_q =======>status4=0x%x =====fq_rwptr =0x%8x======>JKJKJKJKJKJKJKJKJ \n", __func__,status4,fq_rwptr.bits32);
+			if (fq_rwptr.bits.wptr != fq_rwptr.bits.rptr)
+			{
+						//status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
+						do_again =0;
+						//netif_rx_complete(dev);
+						gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4,	0x1);
+						fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+						rwptr.bits32 = readl(&tp->default_qhdr->word1);
+			}
+			else
+				return 1;
+	}
+#endif
+	rwptr.bits32 = readl(&tp->default_qhdr->word1);
+#if 0
+	if (rwptr.bits.rptr != tp->rx_rwptr.bits.rptr)
+	{
+		mac_stop_txdma((struct net_device *)tp->dev);
+		printk("Default Queue HW RD ptr (0x%x) != SW RD Ptr (0x%x)\n",
+				rwptr.bits32, tp->rx_rwptr.bits.rptr);
+		while(1);
+	}
+#endif
+	toe = (TOE_INFO_T *)&toe_private_data;
+
+	fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+	//printk("%s:---Before-------------->Default Queue HW RW ptr (0x%8x),   fq_rwptr =0x%8x \n",__func__,rwptr.bits32,fq_rwptr.bits32 );
+	//printk("%s:---Before while   rx_pkts_num=%d------rx_finished_idx=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x,   rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rx_finished_idx,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 );
+//	while ((--max_cnt) && (rwptr.bits.rptr != rwptr.bits.wptr) && (rx_pkts_num < quota))
+
+	while ((rwptr.bits.rptr != rwptr.bits.wptr) && (rx_pkts_num < quota))
+	{
+
+    	curr_desc = (GMAC_RXDESC_T *)tp->default_desc_base + rwptr.bits.rptr;
+		tp->default_q_cnt++;
+    	tp->rx_curr_desc = (unsigned int)curr_desc;
+    	rx_status = curr_desc->word0.bits.status;
+    	chksum_status = curr_desc->word0.bits.chksum_status;
+    	tp->rx_status_cnt[rx_status]++;
+    	tp->rx_chksum_cnt[chksum_status]++;
+        pkt_size = curr_desc->word1.bits.byte_count;  /*total byte count in a frame*/
+		desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */
+		good_frame=1;
+		if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr))
+			|| (pkt_size < 60)
+		    || (chksum_status & 0x4)
+		    || rx_status )
+//			|| rx_status || (rwptr.bits.rptr > rwptr.bits.wptr ))
+		{
+			good_frame = 0;
+			if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr)
+				printk("%s::derr (GMAC-%d)!!!\n", __func__, tp->port_id);
+			if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr)
+				printk("%s::perr (GMAC-%d)!!!\n", __func__, tp->port_id);
+			if (rx_status)
+			{
+				if (rx_status == 4 || rx_status == 7)
+					isPtr->rx_crc_errors++;
+//				printk("%s::Status=%d (GMAC-%d)!!!\n", __func__, rx_status, tp->port_id);
+			}
+#ifdef SL351x_GMAC_WORKAROUND
+			else if (pkt_size < 60)
+			{
+				if (tp->short_frames_cnt < GMAC_SHORT_FRAME_THRESHOLD)
+					tp->short_frames_cnt++;
+				if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
+				{
+					GMAC_CONFIG0_T config0;
+					config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
+					config0.bits.dis_rx = 1;
+					writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
+					config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
+					config0.bits.dis_rx = 1;
+					writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
+				}
+			}
+#endif
+//			if (chksum_status)
+//				printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id);
+			skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
+			dev_kfree_skb_irq(skb);
+		}
+		if (good_frame)
+		{
+			if (curr_desc->word0.bits.drop)
+				printk("%s::Drop (GMAC-%d)!!!\n", __func__, tp->port_id);
+//			if (chksum_status)
+//				printk("%s::Checksum Status=%d (GMAC-%d)!!!\n", __func__, chksum_status, tp->port_id);
+
+#ifdef SL351x_GMAC_WORKAROUND
+			if (tp->short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
+			{
+				GMAC_CONFIG0_T config0;
+				config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
+				config0.bits.dis_rx = 0;
+				writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
+				config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
+				config0.bits.dis_rx = 0;
+				writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
+			}
+			tp->short_frames_cnt = 0;
+#endif
+	    	/* get frame information from the first descriptor of the frame */
+			isPtr->rx_packets++;
+			//consistent_sync((void *)__va(curr_desc->word2.buf_adr), pkt_size, PCI_DMA_FROMDEVICE);
+			skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
+			tp->curr_rx_skb = skb;
+	//		curr_desc->word2.buf_adr = 0;
+
+		    //skb_reserve (skb, SKB_RESERVE_BYTES);
+			skb_reserve (skb, RX_INSERT_BYTES);	/* 2 byte align the IP fields. */
+			//if ((skb->tail+pkt_size) > skb->end )
+			//printk("%s::------------->Here skb->len=%d,pkt_size= %d,skb->head=0x%x,skb->tail= 0x%x, skb->end= 0x%x\n", __func__, skb->len, pkt_size,skb->head,skb->tail,skb->end);
+			skb_put(skb, pkt_size);
+
+
+			skb->dev = dev;
+			if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK)
+			{
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+#ifdef CONFIG_SL351x_NAT
+				if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset)
+				{
+					struct iphdr	*ip_hdr;
+					ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]);
+					sl351x_nat_input(skb,
+									tp->port_id,
+									(void *)curr_desc->word3.bits.l3_offset,
+								  	(void *)curr_desc->word3.bits.l4_offset);
+				}
+#endif
+				skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
+#if 0
+#ifdef CONFIG_SL351x_RXTOE
+				if (storlink_ctl.rx_max_pktsize) {
+					struct iphdr	*ip_hdr;
+					struct tcphdr	*tcp_hdr;
+					int ip_hdrlen;
+
+ 					ip_hdr = (struct iphdr*)&(skb->data[0]);
+					if ((skb->protocol == __constant_htons(ETH_P_IP)) &&
+					   ((ip_hdr->protocol & 0x00ff) == IPPROTO_TCP)) {
+						ip_hdrlen = ip_hdr->ihl << 2;
+						tcp_hdr = (struct tcphdr*)&(skb->data[ip_hdrlen]);
+						if (tcp_hdr->syn) {
+							struct toe_conn* connection = init_toeq(ip_hdr->version,
+									ip_hdr, tcp_hdr, toe, &(skb->data[0]) - 14);
+							TCP_SKB_CB(skb)->connection = connection;
+							//	hash_dump_entry(TCP_SKB_CB(skb)->connection->hash_entry_index);
+							//		printk("%s::skb data %x, conn %x, mode %x\n",
+							//			__func__, skb->data, connection, connection->mode);
+						}
+					}
+				}
+#endif
+#endif
+			}
+			else if (chksum_status == RX_CHKSUM_IP_OK_ONLY)
+			{
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+#ifdef CONFIG_SL351x_NAT
+				if (nat_cfg.enabled && curr_desc->word3.bits.l3_offset && curr_desc->word3.bits.l4_offset)
+				{
+					struct iphdr	*ip_hdr;
+					ip_hdr = (struct iphdr *)&(skb->data[curr_desc->word3.bits.l3_offset]);
+					if (ip_hdr->protocol == IPPROTO_UDP)
+					{
+						sl351x_nat_input(skb,
+										tp->port_id,
+										(void *)curr_desc->word3.bits.l3_offset,
+								  		(void *)curr_desc->word3.bits.l4_offset);
+					}
+					else if (ip_hdr->protocol == IPPROTO_GRE)
+					{
+						sl351x_nat_input(skb,
+									tp->port_id,
+									(void *)curr_desc->word3.bits.l3_offset,
+								  	(void *)curr_desc->word3.bits.l4_offset);
+					}
+				}
+#endif
+				skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
+			}
+			else
+			{
+				skb->protocol = eth_type_trans(skb,dev); /* set skb protocol */
+			}
+			//netif_rx(skb);  /* socket rx */
+			netif_receive_skb(skb); //For NAPI
+			dev->last_rx = jiffies;
+
+			isPtr->rx_bytes += pkt_size;
+			//printk("------------------->isPtr->rx_bytes = %d\n",isPtr->rx_bytes);
+
+
+        }
+		// advance one for Rx default Q 0/1
+		rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num);
+		SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr);
+     	tp->rx_rwptr.bits32 = rwptr.bits32;
+		rx_pkts_num++;
+		//rwptr.bits32 = readl(&tp->default_qhdr->word1);//try read default_qhdr again
+		//fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+		//printk("%s:---Loop  -------->rx_pkts_num=%d------------>Default Queue HW RW ptr = (0x%8x),   fq_rwptr =0x%8x \n",__func__,rx_pkts_num,rwptr.bits32,fq_rwptr.bits32 );
+#if 0
+		if ((status4 & 0x1) == 0)
+		{
+			//if (!((dev->last_rx <= (rx_time + 2)) &&  (isPtr->rx_bytes > (rx_old_bytes + 1000000 ))))
+			if (tp->total_q_cnt_napi < 1024)
+			{
+				tp->total_q_cnt_napi++;
+				toe_gmac_fill_free_q();  //for iperf test disable
+			}
+			//else
+				//printk("%s:---isPtr->rx_bytes =%u , rx_old_bytes =%u\n",__func__,isPtr->rx_bytes,rx_old_bytes );
+
+		}
+#endif
+		//rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num);
+		//printk("%s:---Loop  -------->rx_pkts_num=%d----rwptr.bits.rptr=0x%x-------->Default Queue HW RW ptr = (0x%8x),   fq_rwptr =0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits32,fq_rwptr.bits32 );
+		//printk("%s:---Loop  rx_pkts_num=%d------rwptr.bits.rptr=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x,   rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 );
+	}
+	// advance one for Rx default Q 0/1
+
+		//rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num);
+		//SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr);
+     	//tp->rx_rwptr.bits32 = rwptr.bits32;
+     	//rwptr.bits.rptr = rwptr.bits.rptr;
+
+	dev->quota -= rx_pkts_num;
+	*budget -= rx_pkts_num;
+
+	status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);//try read SWFQ empty again
+	//fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+	rwptr.bits32 = readl(&tp->default_qhdr->word1); //try read default_qhdr again
+	//printk("%s:---After    rx_pkts_num=%d------rwptr.bits.rptr=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x,   rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 );
+//	if (rwptr.bits.rptr > rwptr.bits.wptr )
+//			{
+				//toe_gmac_disable_rx(dev);
+				//wait_event_interruptible_timeout(freeq_wait,
+					//(rx_pkts_num == 100), CMTP_INTEROP_TIMEOUT);
+				//printk("\n%s:: return 22222=======> rx_pkts_num =%d,   rwptr.bits.rptr=%d,   rwptr.bits.wptr = %d ====---------=======>JKJKJKJKJK\n",
+					//__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.wptr);
+//				return 1;
+//			}
+
+	if (rwptr.bits.rptr == rwptr.bits.wptr)
+	{
+		unsigned int data32;
+			//printk("%s:---[rwptr.bits.rptr == rwptr.bits.wptr]   rx_pkts_num=%d------rwptr.bits.rptr=0x%x------->Default_Q [rwptr.bits.rptr(SW)=0x%x,   rwptr.bits.wptr(HW) = 0x%x ]---->Free_Q(SW_HW) = 0x%8x \n",__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.rptr,rwptr.bits.wptr,fq_rwptr.bits32 );
+
+	    /* Receive descriptor is empty now */
+#if 1
+     if (status4 & 0x1)
+   			{
+   				do_again =1;
+   				//writel(0x40400000, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_4_REG); //disable SWFQ empty interrupt
+   				//toe_gmac_disable_interrupt(tp->irq);
+   				tp->sw_fq_empty_cnt++;
+   				//toe_gmac_disable_rx(dev);
+   				writel(0x07960202, TOE_GMAC0_BASE+GMAC_CONFIG0);
+				writel(0x07960202, TOE_GMAC1_BASE+GMAC_CONFIG0);
+   				//printk("\n%s ::  freeq int-----tp->sw_fq_empty_cnt  =%d---------====================----------------->\n",__func__,tp->sw_fq_empty_cnt);
+   				//while ((fq_rwptr.bits.wptr >= (fq_rwptr.bits.rptr+256)) || (fq_rwptr.bits.wptr <= (fq_rwptr.bits.rptr+256)))
+   				//{
+   					//gmac_write_reg(TOE_GLOBAL_BASE, GLOBAL_INTERRUPT_STATUS_4_REG, status4,
+					//0x1);
+				//printk("\n%s::fq_rwptr.wrptr = %x =======> ===========>here \n", __func__,fq_rwptr.bits32);
+				//if ((status4 & 0x1) == 0)
+					//break;
+				 return 1;
+				//}
+
+			}
+#endif
+        //toe_gmac_fill_free_q();
+        netif_rx_complete(dev);
+        // enable GMAC-0 rx interrupt
+        // class-Q & TOE-Q are implemented in future
+        //data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+        //if (tp->port_id == 0)
+        	//data32 |= DEFAULT_Q0_INT_BIT;
+        //else
+        	//data32 |= DEFAULT_Q1_INT_BIT;
+        //writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
+		writel(0x3, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_ENABLE_1_REG);
+		//printk("\n%s::netif_rx_complete-->  rx_pkts_num =%d,   rwptr.bits.rptr=0x%x,   rwptr.bits.wptr = 0x%x ====---------=======>JKJKJKJKJK\n",
+		//__func__,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.wptr);
+        writel(0x07960200, TOE_GMAC0_BASE+GMAC_CONFIG0);
+		writel(0x07960200, TOE_GMAC1_BASE+GMAC_CONFIG0);
+        return 0;
+    }
+    else
+    {
+        //printk("\n%s:: return 1 -->status4= 0x%x,rx_pkts_num =%d,   rwptr.bits.rptr=0x%x,   rwptr.bits.wptr = 0x%x  ======> \n", __func__,status4,rx_pkts_num,rwptr.bits.rptr,rwptr.bits.wptr);
+        return 1;
+    }
+}
+#endif
+
+/*----------------------------------------------------------------------
+* gmac_tx_timeout
+*----------------------------------------------------------------------*/
+void gmac_tx_timeout(struct net_device *dev)
+{
+	GMAC_INFO_T				*tp = (GMAC_INFO_T *)dev->priv;
+
+#ifdef CONFIG_SL351x_SYSCTL
+	if (tp->operation && storlink_ctl.link[tp->port_id])
+#else
+	if (tp->operation)
+#endif
+	{
+		netif_wake_queue(dev);
+	}
+}
+
+
+
+/*----------------------------------------------------------------------
+* mac_set_rule_reg
+*----------------------------------------------------------------------*/
+int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2)
+{
+	int		total_key_dwords;
+
+	total_key_dwords = 1;
+
+	if (reg0 & MR_L2_BIT)
+	{
+		if (reg0 & MR_DA_BIT) total_key_dwords += 2;
+		if (reg0 & MR_SA_BIT) total_key_dwords += 2;
+		if ((reg0 & MR_DA_BIT) && ( reg0 & MR_SA_BIT)) total_key_dwords--;
+		if (reg0 & (MR_PPPOE_BIT | MR_VLAN_BIT)) total_key_dwords++;
+	}
+	if (reg0 & MR_L3_BIT)
+	{
+		if (reg0 & (MR_IP_HDR_LEN_BIT | MR_TOS_TRAFFIC_BIT | MR_SPR_BITS))
+			total_key_dwords++;
+		if (reg0 & MR_FLOW_LABLE_BIT) total_key_dwords++;
+		if ((reg0 & MR_IP_VER_BIT) == 0) // IPv4
+		{
+			if (reg1 & 0xff000000) total_key_dwords += 1;
+			if (reg1 & 0x00ff0000) total_key_dwords += 1;
+		}
+		else
+		{
+			if (reg1 & 0xff000000) total_key_dwords += 4;
+			if (reg1 & 0x00ff0000) total_key_dwords += 4;
+		}
+	}
+	if (reg0 & MR_L4_BIT)
+	{
+		if (reg1 & 0x0000f000) total_key_dwords += 1;
+		if (reg1 & 0x00000f00) total_key_dwords += 1;
+		if (reg1 & 0x000000f0) total_key_dwords += 1;
+		if (reg1 & 0x0000000f) total_key_dwords += 1;
+		if (reg2 & 0xf0000000) total_key_dwords += 1;
+		if (reg2 & 0x0f000000) total_key_dwords += 1;
+	}
+	if (reg0 & MR_L7_BIT)
+	{
+		if (reg2 & 0x00f00000) total_key_dwords += 1;
+		if (reg2 & 0x000f0000) total_key_dwords += 1;
+		if (reg2 & 0x0000f000) total_key_dwords += 1;
+		if (reg2 & 0x00000f00) total_key_dwords += 1;
+		if (reg2 & 0x000000f0) total_key_dwords += 1;
+		if (reg2 & 0x0000000f) total_key_dwords += 1;
+	}
+
+	if (total_key_dwords > HASH_MAX_KEY_DWORD)
+		return -1;
+
+	if (total_key_dwords == 0 && enabled)
+		return -2;
+
+	mac_set_rule_enable_bit(mac, rule, 0);
+	if (enabled)
+	{
+		mac_set_MRxCRx(mac, rule, 0, reg0);
+		mac_set_MRxCRx(mac, rule, 1, reg1);
+		mac_set_MRxCRx(mac, rule, 2, reg2);
+		mac_set_rule_action(mac, rule, total_key_dwords);
+		mac_set_rule_enable_bit(mac, rule, enabled);
+	}
+	else
+	{
+		mac_set_rule_action(mac, rule, 0);
+	}
+	return total_key_dwords;
+}
+
+/*----------------------------------------------------------------------
+* mac_get_rule_enable_bit
+*----------------------------------------------------------------------*/
+int mac_get_rule_enable_bit(int mac, int rule)
+{
+	switch (rule)
+	{
+		case 0: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) >> 15) & 1);
+		case 1: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) >> 31) & 1);
+		case 2: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) >> 15) & 1);
+		case 3: return ((mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) >> 31) & 1);
+		default: return 0;
+	}
+}
+
+/*----------------------------------------------------------------------
+* mac_set_rule_enable_bit
+*----------------------------------------------------------------------*/
+void mac_set_rule_enable_bit(int mac, int rule, int data)
+{
+	u32 reg;
+
+	if (data & ~1)
+		return;
+
+	switch (rule)
+	{
+		case 0:
+			reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(1<<15)) | (data << 15);
+			mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg);
+			break;
+		case 1:
+			reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(1<<31)) | (data << 31);
+			mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg);
+			break;
+		case 2:
+			reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(1<<15)) | (data << 15);
+			mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg);
+			break;
+		case 3:
+			reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(1<<31)) | (data << 31);
+			mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg);
+	}
+}
+
+/*----------------------------------------------------------------------
+* mac_set_rule_action
+*----------------------------------------------------------------------*/
+int mac_set_rule_action(int mac, int rule, int data)
+{
+	u32 reg;
+
+	if (data > 32)
+		return -1;
+
+	if (data)
+		data = (data << 6) | (data + HASH_ACTION_DWORDS);
+	switch (rule)
+	{
+		case 0:
+			reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(0x7ff));
+			mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg | data);
+			break;
+		case 1:
+			reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG0) & ~(0x7ff<<16));
+			mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG0, reg | (data << 16));
+			break;
+		case 2:
+			reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(0x7ff));
+			mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1,  reg | data);
+			break;
+		case 3:
+			reg = (mac_read_dma_reg(mac, GMAC_HASH_ENGINE_REG1) & ~(0x7ff<<16));
+			mac_write_dma_reg(mac, GMAC_HASH_ENGINE_REG1, reg | (data << 16));
+			break;
+		default:
+			return -1;
+	}
+
+	return 0;
+}
+/*----------------------------------------------------------------------
+* mac_get_MRxCRx
+*----------------------------------------------------------------------*/
+int mac_get_MRxCRx(int mac, int rule, int ctrlreg)
+{
+	int reg;
+
+	switch (rule)
+	{
+		case 0: reg = GMAC_MR0CR0 + ctrlreg * 4; break;
+		case 1: reg = GMAC_MR1CR0 + ctrlreg * 4; break;
+		case 2: reg = GMAC_MR2CR0 + ctrlreg * 4; break;
+		case 3: reg = GMAC_MR3CR0 + ctrlreg * 4; break;
+		default: return 0;
+	}
+	return mac_read_dma_reg(mac, reg);
+}
+
+/*----------------------------------------------------------------------
+* mac_set_MRxCRx
+*----------------------------------------------------------------------*/
+void mac_set_MRxCRx(int mac, int rule, int ctrlreg, u32 data)
+{
+	int reg;
+
+	switch (rule)
+	{
+		case 0: reg = GMAC_MR0CR0 + ctrlreg * 4; break;
+		case 1: reg = GMAC_MR1CR0 + ctrlreg * 4; break;
+		case 2: reg = GMAC_MR2CR0 + ctrlreg * 4; break;
+		case 3: reg = GMAC_MR3CR0 + ctrlreg * 4; break;
+		default: return;
+	}
+	mac_write_dma_reg(mac, reg, data);
+}
+
+/*----------------------------------------------------------------------
+* mac_set_rule_priority
+*----------------------------------------------------------------------*/
+void mac_set_rule_priority(int mac, int p0, int p1, int p2, int p3)
+{
+	int 			i;
+	GMAC_MRxCR0_T	reg[4];
+
+	for (i=0; i<4; i++)
+		reg[i].bits32 = mac_get_MRxCRx(mac, i, 0);
+
+	reg[0].bits.priority = p0;
+	reg[1].bits.priority = p1;
+	reg[2].bits.priority = p2;
+	reg[3].bits.priority = p3;
+
+	for (i=0; i<4; i++)
+		mac_set_MRxCRx(mac, i, 0, reg[i].bits32);
+}
+
+/*----------------------------------------------------------------------
+* gmac_netdev_ioctl
+*----------------------------------------------------------------------*/
+static int gmac_netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+	int 				rc = 0;
+    unsigned char		*hwa = rq->ifr_ifru.ifru_hwaddr.sa_data;
+
+#ifdef br_if_ioctl
+    struct 				ethtool_cmd ecmd; 	//br_if.c will call this ioctl
+	GMAC_INFO_T 		*tp = dev->priv;
+#endif
+
+#ifdef 	CONFIG_SL351x_NAT
+	if (cmd == SIOCDEVPRIVATE)
+		return sl351x_nat_ioctl(dev, rq, cmd);
+#endif
+
+	switch (cmd) {
+	case SIOCETHTOOL:
+#ifdef br_if_ioctl  	//br_if.c will call this ioctl
+		if (!netif_running(dev))
+		{
+			printk("Before changing the H/W address,please down the device.\n");
+			return -EINVAL;
+		}
+		memset((void *) &ecmd, 0, sizeof (ecmd));
+           	    ecmd.supported =
+                	SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII |
+                    SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
+                    SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full;
+         		    ecmd.port = PORT_TP;
+            	    ecmd.transceiver = XCVR_EXTERNAL;
+            	    ecmd.phy_address = tp->phy_addr;
+            	    switch (tp->speed_status)
+            	    {
+            	    case GMAC_SPEED_10: ecmd.speed = SPEED_10; break;
+             	    case GMAC_SPEED_100: ecmd.speed = SPEED_100; break;
+            	    case GMAC_SPEED_1000: ecmd.speed = SPEED_1000; break;
+            	    default: ecmd.speed = SPEED_10; break;
+            	   }
+            	    ecmd.duplex = tp->full_duplex_status ? DUPLEX_FULL : DUPLEX_HALF;
+            	    ecmd.advertising = ADVERTISED_TP;
+            	    ecmd.advertising |= ADVERTISED_Autoneg;
+           	    ecmd.autoneg = AUTONEG_ENABLE;
+                    if (copy_to_user(rq->ifr_data, &ecmd, sizeof (ecmd)))
+                  	return -EFAULT;
+#endif
+
+        break;
+
+    case SIOCSIFHWADDR:
+		if (!netif_running(dev))
+		{
+			printk("Before changing the H/W address,please down the device.\n");
+			return -EINVAL;
+		}
+        gmac_set_mac_address(dev,hwa);
+        break;
+
+	case SIOCGMIIPHY:	/* Get the address of the PHY in use. */
+        break;
+
+	case SIOCGMIIREG:	/* Read the specified MII register. */
+		break;
+
+	case SIOCSMIIREG:	/* Write the specified MII register */
+		break;
+
+	default:
+		rc = -EOPNOTSUPP;
+		break;
+	}
+
+	return rc;
+}
+
+#ifdef SL351x_GMAC_WORKAROUND
+
+#define GMAC_TX_STATE_OFFSET	0x60
+#define GMAC_RX_STATE_OFFSET	0x64
+#define GMAC_POLL_HANGED_NUM	200
+#define GMAC_RX_HANGED_STATE	0x4b2000
+#define GMAC_RX_HANGED_MASK		0xdff000
+#define GMAC_TX_HANGED_STATE	0x34012
+#define GMAC_TX_HANGED_MASK		0xfffff
+#define TOE_GLOBAL_REG_SIZE		(0x78/sizeof(u32))
+#define TOE_DMA_REG_SIZE		(0xd0/sizeof(u32))
+#define TOE_GMAC_REG_SIZE		(0x30/sizeof(u32))
+#define GMAC0_RX_HANG_BIT		(1 << 0)
+#define GMAC0_TX_HANG_BIT		(1 << 1)
+#define GMAC1_RX_HANG_BIT		(1 << 2)
+#define GMAC1_TX_HANG_BIT		(1 << 3)
+
+int		gmac_in_do_workaround;
+#if 0
+int		debug_cnt, poll_max_cnt;
+#endif
+u32		gmac_workaround_cnt[4];
+u32		toe_global_reg[TOE_GLOBAL_REG_SIZE];
+u32		toe_dma_reg[GMAC_NUM][TOE_DMA_REG_SIZE];
+u32		toe_gmac_reg[GMAC_NUM][TOE_GMAC_REG_SIZE];
+u32		gmac_short_frame_workaround_cnt[2];
+
+static void sl351x_gmac_release_buffers(void);
+static void sl351x_gmac_release_swtx_q(void);
+static void sl351x_gmac_release_rx_q(void);
+#ifdef _TOEQ_CLASSQ_READY_
+static void sl351x_gmac_release_class_q(void);
+static void sl351x_gmac_release_toe_q(void);
+static void sl351x_gmac_release_intr_q(void);
+#endif
+static void sl351x_gmac_release_sw_free_q(void);
+static void sl351x_gmac_release_hw_free_q(void);
+#ifdef CONFIG_SL351x_NAT
+static int get_free_desc_cnt(unsigned long rwptr, int total);
+static void sl351x_gmac_release_hwtx_q(void);
+u32     sl351x_nat_workaround_cnt;
+#endif
+void sl351x_gmac_save_reg(void);
+void sl351x_gmac_restore_reg(void);
+
+
+/*----------------------------------------------------------------------
+* 	sl351x_poll_gmac_hanged_status
+* 	- Called by timer routine, period 10ms
+*	- If (state != 0 && state == prev state && )
+*----------------------------------------------------------------------*/
+void sl351x_poll_gmac_hanged_status(u32 data)
+{
+	int 			i;
+	u32 			state;
+	TOE_INFO_T		*toe;
+	GMAC_INFO_T		*tp;
+	u32				hanged_state;
+	// int				old_operation[GMAC_NUM];
+#ifdef CONFIG_SL351x_NAT
+	u32				hw_free_cnt;
+#endif
+
+	if (gmac_in_do_workaround)
+		return;
+
+	gmac_in_do_workaround = 1;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	hanged_state = 0;
+
+#ifdef SL351x_TEST_WORKAROUND
+	if (toe->gmac[0].operation || toe->gmac[1].operation)
+	{
+		debug_cnt++;
+		if (debug_cnt == (30 * HZ))
+		{
+			debug_cnt = 0;
+			hanged_state = GMAC0_RX_HANG_BIT;
+			goto do_workaround;
+		}
+	}
+#endif
+	if (toe->gmac[0].operation)
+		hanged_state |= GMAC0_RX_HANG_BIT | GMAC0_TX_HANG_BIT;
+
+#if (GMAC_NUM > 1)
+	if (toe->gmac[1].operation)
+		hanged_state |= GMAC1_RX_HANG_BIT | GMAC1_TX_HANG_BIT;
+#endif
+
+	for (i=0; i<GMAC_POLL_HANGED_NUM; i++)
+	{
+		if (hanged_state & GMAC0_RX_HANG_BIT)
+		{
+			state = readl(TOE_GMAC0_BASE + GMAC_RX_STATE_OFFSET) & GMAC_RX_HANGED_MASK;
+			if (state != GMAC_RX_HANGED_STATE)
+				hanged_state &= ~GMAC0_RX_HANG_BIT;
+		}
+		if (hanged_state & GMAC0_TX_HANG_BIT)
+		{
+			state = readl(TOE_GMAC0_BASE + GMAC_TX_STATE_OFFSET) & GMAC_TX_HANGED_MASK;
+			if (state != GMAC_TX_HANGED_STATE)
+				hanged_state &= ~GMAC0_TX_HANG_BIT;
+		}
+#if (GMAC_NUM > 1)
+		if (hanged_state & GMAC1_RX_HANG_BIT)
+		{
+			state = readl(TOE_GMAC1_BASE + GMAC_RX_STATE_OFFSET) & GMAC_RX_HANGED_MASK;
+			if (state != GMAC_RX_HANGED_STATE)
+				hanged_state &= ~GMAC1_RX_HANG_BIT;
+		}
+		if (hanged_state & GMAC1_TX_HANG_BIT)
+		{
+			state = readl(TOE_GMAC1_BASE + GMAC_TX_STATE_OFFSET) & GMAC_TX_HANGED_MASK;
+			if (state != GMAC_TX_HANGED_STATE)
+				hanged_state &= ~GMAC1_TX_HANG_BIT;
+		}
+#endif
+		if (!hanged_state)
+		{
+#if 0
+			if (i < poll_max_cnt)
+				poll_max_cnt = i;
+#endif
+			if (toe->gmac[0].short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
+			{
+				gmac_short_frame_workaround_cnt[0]++;
+				toe->gmac[0].short_frames_cnt = 0;
+				goto do_workaround;
+			}
+#if (GMAC_NUM > 1)
+			if (toe->gmac[1].short_frames_cnt >= GMAC_SHORT_FRAME_THRESHOLD)
+			{
+				gmac_short_frame_workaround_cnt[1]++;
+				toe->gmac[1].short_frames_cnt = 0;
+				goto do_workaround;
+			}
+#endif
+
+#ifdef CONFIG_SL351x_NAT
+			hw_free_cnt = readl(TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
+			hw_free_cnt = get_free_desc_cnt(hw_free_cnt, TOE_HW_FREEQ_DESC_NUM);
+#ifdef NAT_WORKAROUND_BY_RESET_GMAC
+			if (readl(TOE_GLOBAL_BASE + 0x4084) && (hw_free_cnt <= PAUSE_SET_HW_FREEQ))
+			{
+				sl351x_nat_workaround_cnt++;
+				goto do_workaround;
+			}
+#else
+			if (readl(TOE_GLOBAL_BASE + 0x4084) && (hw_free_cnt <= (PAUSE_SET_HW_FREEQ*2)))
+			{
+				sl351x_nat_workaround_cnt++;
+				sl351x_nat_workaround_handler();
+			}
+#endif
+#endif
+			gmac_in_do_workaround = 0;
+			add_timer(&gmac_workround_timer_obj);
+			return;
+		}
+	}
+
+do_workaround:
+
+	gmac_initialized = 0;
+	if (hanged_state)
+	{
+		if (hanged_state & GMAC0_RX_HANG_BIT) gmac_workaround_cnt[0]++;
+		if (hanged_state & GMAC0_TX_HANG_BIT) gmac_workaround_cnt[1]++;
+		if (hanged_state & GMAC1_RX_HANG_BIT) gmac_workaround_cnt[2]++;
+		if (hanged_state & GMAC1_TX_HANG_BIT) gmac_workaround_cnt[3]++;
+	}
+
+	for (i=0; i<GMAC_NUM; i++)
+	{
+		tp=(GMAC_INFO_T *)&toe->gmac[i];
+		// old_operation[i] = tp->operation;
+		if (tp->operation)
+		{
+			netif_stop_queue(tp->dev);
+			clear_bit(__LINK_STATE_START, &tp->dev->state);
+			toe_gmac_disable_interrupt(tp->irq);
+			toe_gmac_disable_tx_rx(tp->dev);
+			toe_gmac_hw_stop(tp->dev);
+		}
+	}
+
+	// clear all status bits
+	writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_0_REG);
+	writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
+	writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_2_REG);
+	writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_3_REG);
+	writel(0xffffffff, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
+
+#if 0
+	if ((hanged_state & GMAC0_RX_HANG_BIT) &&
+		(readl(TOE_GMAC0_DMA_BASE + 0xdc) & 0xf0))
+	{
+		struct sk_buff *skb;
+		unsigned int buf;
+		buf = readl(TOE_GMAC0_DMA_BASE + 0x68) & ~3;
+#ifdef CONFIG_SL351x_NAT
+		if (buf < toe->hwfq_buf_base_dma || buf > toe->hwfq_buf_end_dma)
+#endif
+		{
+			skb = (struct sk_buff *)(REG32(buf - SKB_RESERVE_BYTES));
+			printk("GMAC-0 free a loss SKB 0x%x\n", (u32)skb);
+			dev_kfree_skb(skb);
+		}
+	}
+	if ((hanged_state & GMAC1_RX_HANG_BIT)  &&
+		(readl(TOE_GMAC1_DMA_BASE + 0xdc) & 0xf0))
+	{
+		struct sk_buff *skb;
+		unsigned int buf;
+		buf = readl(TOE_GMAC1_DMA_BASE + 0x68) & ~3;
+#ifdef CONFIG_SL351x_NAT
+		if (buf < toe->hwfq_buf_base_dma || buf > toe->hwfq_buf_end_dma)
+#endif
+		{
+			skb = (struct sk_buff *)(REG32(buf - SKB_RESERVE_BYTES));
+			printk("GMAC-1 free a loss SKB 0x%x\n", (u32)skb);
+			dev_kfree_skb(skb);
+		}
+	}
+#endif
+
+	sl351x_gmac_release_buffers();
+	sl351x_gmac_save_reg();
+	toe_gmac_sw_reset();
+	sl351x_gmac_restore_reg();
+
+	if (toe->gmac[0].default_qhdr->word1.bits32)
+	{
+		// printk("===> toe->gmac[0].default_qhdr->word1 = 0x%x\n", toe->gmac[0].default_qhdr->word1);
+		sl351x_gmac_release_rx_q();
+		writel(0, &toe->gmac[0].default_qhdr->word1);
+	}
+	if (toe->gmac[1].default_qhdr->word1.bits32)
+	{
+		// printk("===> toe->gmac[1].default_qhdr->word1 = 0x%x\n", toe->gmac[1].default_qhdr->word1);
+		sl351x_gmac_release_rx_q();
+		writel(0, &toe->gmac[1].default_qhdr->word1);
+	}
+
+	gmac_initialized = 1;
+
+#ifdef 	CONFIG_SL351x_NAT
+	writel(0, TOE_GLOBAL_BASE + 0x4084);
+#endif
+
+	for (i=0; i<GMAC_NUM; i++)
+	{
+		tp=(GMAC_INFO_T *)&toe->gmac[i];
+ 		if (tp->operation)
+ 		{
+			toe_gmac_enable_interrupt(tp->irq);
+			toe_gmac_hw_start(tp->dev);
+			toe_gmac_enable_tx_rx(tp->dev);
+			netif_wake_queue(tp->dev);
+			set_bit(__LINK_STATE_START, &tp->dev->state);
+		}
+	}
+
+	gmac_in_do_workaround = 0;
+	add_timer(&gmac_workround_timer_obj);
+}
+
+/*----------------------------------------------------------------------
+*	get_free_desc_cnt
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_NAT
+static int get_free_desc_cnt(unsigned long rwptr, int total)
+{
+	unsigned short wptr = rwptr & 0xffff;
+	unsigned short rptr = rwptr >> 16;
+
+	if (wptr >= rptr)
+		return (total - wptr + rptr);
+	else
+		return (rptr - wptr);
+}
+#endif
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_release_buffers
+*----------------------------------------------------------------------*/
+static void sl351x_gmac_release_buffers(void)
+{
+	// Free buffers & Descriptors in all SW Tx Queues
+	sl351x_gmac_release_swtx_q();
+
+	// Free buffers in Default Rx Queues
+	sl351x_gmac_release_rx_q();
+
+#ifdef _TOEQ_CLASSQ_READY_
+	// Free buffers in Classification Queues
+	sl351x_gmac_release_class_q();
+
+	// Free buffers in TOE Queues
+	sl351x_gmac_release_toe_q();
+
+	// Free buffers in Interrupt Queues
+	sl351x_gmac_release_intr_q();
+#endif
+
+	// Free buffers & descriptors in SW free queue
+	sl351x_gmac_release_sw_free_q();
+
+	// Free buffers & descriptors in HW free queue
+	sl351x_gmac_release_hw_free_q();
+
+#ifdef CONFIG_SL351x_NAT
+	// Free buffers & descriptors in HW free queue
+	sl351x_gmac_release_hwtx_q();
+#endif
+}
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_release_swtx_q
+*----------------------------------------------------------------------*/
+static void sl351x_gmac_release_swtx_q(void)
+{
+	int				i, j;
+	GMAC_TXDESC_T	*curr_desc;
+	unsigned int	desc_count;
+	TOE_INFO_T		*toe;
+	GMAC_INFO_T		*tp;
+	GMAC_SWTXQ_T	*swtxq;
+	DMA_RWPTR_T		rwptr;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	tp = (GMAC_INFO_T *)&toe->gmac[0];
+	for (i=0; i<GMAC_NUM; i++, tp++)
+	{
+		if (!tp->existed) continue;
+		swtxq = (GMAC_SWTXQ_T *)&tp->swtxq[0];
+		for (j=0; j<TOE_SW_TXQ_NUM; j++, swtxq++)
+		{
+			for (;;)
+			{
+				rwptr.bits32 = readl(swtxq->rwptr_reg);
+				if (rwptr.bits.rptr == swtxq->finished_idx)
+				break;
+				curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
+				// if (curr_desc->word0.bits.status_tx_ok)
+				{
+					desc_count = curr_desc->word0.bits.desc_count;
+					while (--desc_count)
+					{
+						curr_desc->word0.bits.status_tx_ok = 0;
+						swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num);
+						curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx;
+					}
+
+					curr_desc->word0.bits.status_tx_ok = 0;
+					if (swtxq->tx_skb[swtxq->finished_idx])
+					{
+						dev_kfree_skb_irq(swtxq->tx_skb[swtxq->finished_idx]);
+						swtxq->tx_skb[swtxq->finished_idx] = NULL;
+					}
+				}
+				swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, swtxq->total_desc_num);
+			}
+			writel(0, swtxq->rwptr_reg);
+			swtxq->finished_idx = 0;
+		}
+	}
+
+}
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_release_rx_q
+*----------------------------------------------------------------------*/
+static void sl351x_gmac_release_rx_q(void)
+{
+	int				i;
+	TOE_INFO_T		*toe;
+	GMAC_INFO_T		*tp;
+	DMA_RWPTR_T		rwptr;
+	volatile GMAC_RXDESC_T	*curr_desc;
+	struct sk_buff			*skb;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	tp = (GMAC_INFO_T *)&toe->gmac[0];
+	for (i=0; i<GMAC_NUM; i++, tp++)
+	{
+		if (!tp->existed) continue;
+		rwptr.bits32 = readl(&tp->default_qhdr->word1);
+		while (rwptr.bits.rptr != rwptr.bits.wptr)
+		{
+			curr_desc = (GMAC_RXDESC_T *)tp->default_desc_base + rwptr.bits.rptr;
+			skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
+			dev_kfree_skb_irq(skb);
+			rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, tp->default_desc_num);
+			SET_RPTR(&tp->default_qhdr->word1, rwptr.bits.rptr);
+			rwptr.bits32 = readl(&tp->default_qhdr->word1);
+		}  // while
+		writel(0, &tp->default_qhdr->word1);
+		tp->rx_rwptr.bits32 = 0;
+	} // for
+
+}
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_release_class_q
+*----------------------------------------------------------------------*/
+#ifdef _TOEQ_CLASSQ_READY_
+static void sl351x_gmac_release_class_q(void)
+{
+	int				i;
+	TOE_INFO_T		*toe;
+	CLASSQ_INFO_T	*classq;
+	DMA_RWPTR_T		rwptr;
+	volatile GMAC_RXDESC_T	*curr_desc;
+	struct sk_buff			*skb;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	classq = (CLASSQ_INFO_T *)&toe->classq[0];
+	for (i=0; i<TOE_CLASS_QUEUE_NUM; i++, classq++)
+	{
+		rwptr.bits32 = readl(&classq->qhdr->word1);
+		while (rwptr.bits.rptr != rwptr.bits.wptr)
+		{
+			curr_desc = (GMAC_RXDESC_T *)classq->desc_base + rwptr.bits.rptr;
+			skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
+			dev_kfree_skb_irq(skb);
+			rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, classq->desc_num);
+			SET_RPTR(&classq->qhdr->word1, rwptr.bits.rptr);
+			rwptr.bits32 = readl(&classq->qhdr->word1);
+		}  // while
+		writel(0, &classq->qhdr->word1);
+		classq->rwptr.bits32 = 0;
+	} // for
+
+}
+#endif
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_release_toe_q
+*----------------------------------------------------------------------*/
+#ifdef _TOEQ_CLASSQ_READY_
+static void sl351x_gmac_release_toe_q(void)
+{
+	int				i;
+	TOE_INFO_T		*toe;
+	TOEQ_INFO_T		*toeq_info;
+	TOE_QHDR_T		*toe_qhdr;
+	DMA_RWPTR_T		rwptr;
+	volatile GMAC_RXDESC_T	*curr_desc;
+	unsigned int	rptr, wptr;
+	GMAC_RXDESC_T	*toe_curr_desc;
+	struct sk_buff			*skb;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	toe_qhdr = (TOE_QHDR_T *)TOE_TOE_QUE_HDR_BASE;
+	for (i=0; i<TOE_TOE_QUEUE_NUM; i++, toe_qhdr++)
+	{
+		toeq_info = (TOEQ_INFO_T *)&toe->toeq[i];
+		wptr = toe_qhdr->word1.bits.wptr;
+		rptr = toe_qhdr->word1.bits.rptr;
+		while (rptr != wptr)
+		{
+			toe_curr_desc = (GMAC_RXDESC_T *)toeq_info->desc_base + rptr;
+			skb = (struct sk_buff *)(REG32(__va(toe_curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
+			dev_kfree_skb_irq(skb);
+			rptr = RWPTR_ADVANCE_ONE(rptr, toeq_info->desc_num);
+			SET_RPTR(&toe_qhdr->word1.bits32, rptr);
+			wptr = toe_qhdr->word1.bits.wptr;
+			rptr = toe_qhdr->word1.bits.rptr;
+		}
+		toe_qhdr->word1.bits32 = 0;
+		toeq_info->rwptr.bits32 = 0;
+	}
+}
+#endif
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_release_intr_q
+*----------------------------------------------------------------------*/
+#ifdef _TOEQ_CLASSQ_READY_
+static void sl351x_gmac_release_intr_q(void)
+{
+}
+#endif
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_release_sw_free_q
+*----------------------------------------------------------------------*/
+static void sl351x_gmac_release_sw_free_q(void)
+{
+	TOE_INFO_T				*toe;
+	volatile DMA_RWPTR_T	fq_rwptr;
+	volatile GMAC_RXDESC_T	*fq_desc;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+
+	while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr)
+	{
+		struct sk_buff *skb;
+		if ((skb = dev_alloc_skb(SW_RX_BUF_SIZE))==NULL)  /* allocate socket buffer */
+		{
+			printk("%s::skb buffer allocation fail !\n",__func__); while(1);
+		}
+		// *(unsigned int *)(skb->data) = (unsigned int)skb;
+		REG32(skb->data) = (unsigned long)skb;
+		skb_reserve(skb, SKB_RESERVE_BYTES);
+
+		fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM);
+		fq_desc = (volatile GMAC_RXDESC_T *)toe->swfq_desc_base + fq_rwptr.bits.wptr;
+		fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data);
+		SET_WPTR(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
+		fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+	}
+
+	toe->fq_rx_rwptr.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1;
+	toe->fq_rx_rwptr.bits.rptr = 0;
+	writel(toe->fq_rx_rwptr.bits32, TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+
+}
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_release_hw_free_q
+*----------------------------------------------------------------------*/
+static void sl351x_gmac_release_hw_free_q(void)
+{
+	DMA_RWPTR_T			rwptr_reg;
+
+#ifdef CONFIG_SL351x_NAT
+	int					i;
+	TOE_INFO_T			*toe;
+	GMAC_RXDESC_T		*desc_ptr;
+	unsigned int		buf_ptr;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+	desc_ptr = (GMAC_RXDESC_T *)toe->hwfq_desc_base;
+	buf_ptr = (unsigned int)toe->hwfq_buf_base_dma;
+	for (i=0; i<TOE_HW_FREEQ_DESC_NUM; i++)
+	{
+		desc_ptr->word0.bits.buffer_size = HW_RX_BUF_SIZE;
+		desc_ptr->word1.bits.sw_id = i;
+		desc_ptr->word2.buf_adr = (unsigned int)buf_ptr;
+   		desc_ptr++;
+   		buf_ptr += HW_RX_BUF_SIZE;
+	}
+#endif
+	rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1;
+	rwptr_reg.bits.rptr = 0;
+	writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
+}
+
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_release_hw_free_q
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_NAT
+static void sl351x_gmac_release_hwtx_q(void)
+{
+	int				i;
+	unsigned int	rwptr_addr;
+
+	rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
+	for (i=0; i<TOE_HW_TXQ_NUM; i++)
+	{
+		writel(0, rwptr_addr);
+		rwptr_addr+=4;
+	}
+	rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
+	for (i=0; i<TOE_HW_TXQ_NUM; i++)
+	{
+		writel(0, rwptr_addr);
+		rwptr_addr+=4;
+	}
+}
+#endif
+
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_save_reg
+*----------------------------------------------------------------------*/
+void sl351x_gmac_save_reg(void)
+{
+	int	i;
+	volatile u32	*destp;
+	unsigned int	srce_addr;
+
+	srce_addr = TOE_GLOBAL_BASE;
+	destp = (volatile u32 *)toe_global_reg;
+	for (i=0; i<TOE_GLOBAL_REG_SIZE; i++, destp++, srce_addr+=4)
+		*destp = readl(srce_addr);
+
+	srce_addr = TOE_GMAC0_DMA_BASE;
+	destp = (volatile u32 *)&toe_dma_reg[0][0];
+	for (i=0; i<TOE_DMA_REG_SIZE; i++, destp++, srce_addr+=4)
+	{
+		if (srce_addr ==  (TOE_GMAC0_DMA_BASE+0x38))
+			srce_addr = (TOE_GMAC0_DMA_BASE+0x50);
+		if (srce_addr ==  (TOE_GMAC0_DMA_BASE+0x58))
+			srce_addr = (TOE_GMAC0_DMA_BASE+0x70);
+
+		*destp = readl(srce_addr);
+	}
+	srce_addr = TOE_GMAC1_DMA_BASE;
+	destp = (volatile u32 *)&toe_dma_reg[1][0];
+	for (i=0; i<TOE_DMA_REG_SIZE; i++, destp++, srce_addr+=4)
+	{
+		if (srce_addr ==  (TOE_GMAC0_DMA_BASE+0x38))
+			srce_addr = (TOE_GMAC0_DMA_BASE+0x50);
+		if (srce_addr ==  (TOE_GMAC0_DMA_BASE+0x58))
+			srce_addr = (TOE_GMAC0_DMA_BASE+0x70);
+
+		*destp = readl(srce_addr);
+	}
+
+	srce_addr = TOE_GMAC0_BASE;
+	destp = (volatile u32 *)&toe_gmac_reg[0][0];
+	for (i=0; i<TOE_GMAC_REG_SIZE; i++, destp++, srce_addr+=4)
+		*destp = readl(srce_addr);
+
+	srce_addr = TOE_GMAC1_BASE;
+	destp = (volatile u32 *)&toe_gmac_reg[1][0];
+	for (i=0; i<TOE_GMAC_REG_SIZE; i++, destp++, srce_addr+=4)
+		*destp = readl(srce_addr);
+}
+
+/*----------------------------------------------------------------------
+* 	sl351x_gmac_restore_reg
+*----------------------------------------------------------------------*/
+void sl351x_gmac_restore_reg(void)
+{
+	int	i;
+	volatile u32	*srcep;
+	unsigned int	dest_addr;
+
+	srcep = (volatile u32 *)&toe_dma_reg[0][0];
+	dest_addr = TOE_GMAC0_DMA_BASE;
+	for (i=0; i<TOE_DMA_REG_SIZE; i++, dest_addr+=4, srcep++)
+	{
+		if (dest_addr == (TOE_GMAC0_DMA_BASE+0x38))
+			dest_addr = (TOE_GMAC0_DMA_BASE+0x50);
+		if (dest_addr == (TOE_GMAC0_DMA_BASE+0x58))
+			dest_addr = (TOE_GMAC0_DMA_BASE+0x70);
+
+		writel(*srcep, dest_addr);
+		// gmac_write_reg(dest_addr, 0, *srcep, 0xffffffff);
+	}
+	srcep = (volatile u32 *)&toe_dma_reg[1][0];
+	dest_addr = TOE_GMAC1_DMA_BASE;
+	for (i=0; i<TOE_DMA_REG_SIZE; i++, dest_addr+=4, srcep++)
+	{
+		if (dest_addr == (TOE_GMAC0_DMA_BASE+0x38))
+			dest_addr = (TOE_GMAC0_DMA_BASE+0x50);
+		if (dest_addr == (TOE_GMAC0_DMA_BASE+0x58))
+			dest_addr = (TOE_GMAC0_DMA_BASE+0x70);
+
+		writel(*srcep, dest_addr);
+		// gmac_write_reg(dest_addr, 0, *srcep, 0xffffffff);
+	}
+
+	srcep = (volatile u32 *)&toe_gmac_reg[0][0];
+	dest_addr = TOE_GMAC0_BASE;
+	for (i=0; i<TOE_GMAC_REG_SIZE; i++, dest_addr+=4, srcep++)
+		writel(*srcep, dest_addr);
+
+	srcep = (volatile u32 *)&toe_gmac_reg[1][0];
+	dest_addr = TOE_GMAC1_BASE;
+	for (i=0; i<TOE_GMAC_REG_SIZE; i++, dest_addr+=4, srcep++)
+		writel(*srcep, dest_addr);
+
+	srcep = (volatile u32 *)toe_global_reg;
+	dest_addr = TOE_GLOBAL_BASE;
+	for (i=0; i<TOE_GLOBAL_REG_SIZE; i++, dest_addr+=4, srcep++)
+		writel(*srcep, dest_addr);
+
+}
+
+#ifdef CONFIG_SL351x_NAT
+/*----------------------------------------------------------------------
+* 	sl351x_nat_workaround_init
+*----------------------------------------------------------------------*/
+#define NAT_WORAROUND_DESC_POWER	(6)
+#define NAT_WORAROUND_DESC_NUM		(2 << NAT_WORAROUND_DESC_POWER)
+dma_addr_t sl351x_nat_workaround_desc_dma;
+void sl351x_nat_workaround_init(void)
+{
+	unsigned int	desc_buf;
+
+	desc_buf = (unsigned int)DMA_MALLOC((NAT_WORAROUND_DESC_NUM * sizeof(GMAC_RXDESC_T)),
+						(dma_addr_t *)&sl351x_nat_workaround_desc_dma) ;
+	memset((void *)desc_buf, 0, NAT_WORAROUND_DESC_NUM * sizeof(GMAC_RXDESC_T));
+
+	// DMA Queue Base & Size
+	writel((sl351x_nat_workaround_desc_dma & DMA_Q_BASE_MASK) | NAT_WORAROUND_DESC_POWER,
+			TOE_GLOBAL_BASE + 0x4080);
+	writel(0, TOE_GLOBAL_BASE + 0x4084);
+}
+
+/*----------------------------------------------------------------------
+* 	sl351x_nat_workaround_handler
+*----------------------------------------------------------------------*/
+#ifndef NAT_WORKAROUND_BY_RESET_GMAC
+static void sl351x_nat_workaround_handler(void)
+{
+	int					i;
+	DMA_RWPTR_T			rwptr;
+	GMAC_RXDESC_T		*desc_ptr;
+	unsigned int		buf_ptr;
+	TOE_INFO_T			*toe;
+	GMAC_CONFIG0_T		config0;
+	unsigned int		rwptr_addr;
+
+	toe = (TOE_INFO_T *)&toe_private_data;
+
+	// disable Rx of GMAC-0 & 1
+	config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
+	config0.bits.dis_rx = 1;
+	writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
+	config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
+	config0.bits.dis_rx = 1;
+	writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
+
+	// wait GMAC-0 HW Tx finished
+	rwptr_addr = TOE_GMAC0_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
+	for (i=0; i<TOE_HW_TXQ_NUM; i++)
+	{
+		rwptr.bits32 = readl(rwptr_addr);
+		if (rwptr.bits.rptr != rwptr.bits.wptr)
+			return;	// wait the HW to send packets and release buffers
+		rwptr_addr+=4;
+	}
+	rwptr_addr = TOE_GMAC1_DMA_BASE + GMAC_HW_TX_QUEUE0_PTR_REG;
+	for (i=0; i<TOE_HW_TXQ_NUM; i++)
+	{
+		rwptr.bits32 = readl(rwptr_addr);
+		if (rwptr.bits.rptr != rwptr.bits.wptr)
+			return;	// wait the HW to send packets and release buffers
+		rwptr_addr+=4;
+	}
+
+	// printk("sl351x_nat_workaround_handler %d\n", sl351x_nat_workaround_cnt);
+	desc_ptr = (GMAC_RXDESC_T *)toe->hwfq_desc_base;
+	buf_ptr = (unsigned int)toe->hwfq_buf_base_dma;
+	for (i=0; i<TOE_HW_FREEQ_DESC_NUM; i++)
+	{
+		desc_ptr->word0.bits.buffer_size = HW_RX_BUF_SIZE;
+		desc_ptr->word1.bits.sw_id = i;
+		desc_ptr->word2.buf_adr = (unsigned int)buf_ptr;
+		desc_ptr++;
+		buf_ptr += HW_RX_BUF_SIZE;
+	}
+	rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
+	rwptr.bits.wptr = RWPTR_RECEDE_ONE(rwptr.bits.rptr, TOE_HW_FREEQ_DESC_NUM);
+	writel(rwptr.bits32, TOE_GLOBAL_BASE + GLOBAL_HWFQ_RWPTR_REG);
+	writel(0, TOE_GLOBAL_BASE + 0x4084);
+
+	// Enable Rx of GMAC-0 & 1
+	config0.bits32 = readl(TOE_GMAC0_BASE+GMAC_CONFIG0);
+	config0.bits.dis_rx = 0;
+	writel(config0.bits32, TOE_GMAC0_BASE+GMAC_CONFIG0);
+	config0.bits32 = readl(TOE_GMAC1_BASE+GMAC_CONFIG0);
+	config0.bits.dis_rx = 0;
+	writel(config0.bits32, TOE_GMAC1_BASE+GMAC_CONFIG0);
+}
+#endif
+#endif // CONFIG_SL351x_NAT
+
+#endif // SL351x_GMAC_WORKAROUND
+
+/* get the mac addresses from flash
+ *can't do this in module_init because mtd driver is initialized after ethernet
+ */
+static __init int sl351x_mac_address_init(void)
+{
+	GMAC_INFO_T		*tp;
+	struct sockaddr sock;
+	int i;
+
+	/* get mac address from FLASH */
+	gmac_get_mac_address();
+
+	for (i = 0; i < GMAC_NUM; i++) {
+		tp = (GMAC_INFO_T *)&toe_private_data.gmac[i];
+		memcpy(&sock.sa_data[0],&eth_mac[tp->port_id][0],6);
+		gmac_set_mac_address(tp->dev,(void *)&sock);
+	}
+
+        return 0;
+}
+late_initcall(sl351x_mac_address_init);
+
+
--- /dev/null
+++ b/drivers/net/sl351x_hash.c
@@ -0,0 +1,713 @@
+/**************************************************************************
+* Copyright 2006 StorLink Semiconductors, Inc.  All rights reserved.
+*--------------------------------------------------------------------------
+* Name			: sl351x_hash.c
+* Description	:
+*		Handle Storlink SL351x Hash Functions
+*
+* History
+*
+*	Date		Writer		Description
+*----------------------------------------------------------------------------
+*	03/13/2006	Gary Chen	Create and implement
+*
+****************************************************************************/
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/delay.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/completion.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/semaphore.h>
+#include <asm/arch/irqs.h>
+#include <asm/arch/it8712.h>
+#include <linux/mtd/kvctl.h>
+#include <linux/skbuff.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/list.h>
+#define	 MIDWAY
+#define	 SL_LEPUS
+
+#include <asm/arch/sl2312.h>
+#include <asm/arch/sl351x_gmac.h>
+#include <asm/arch/sl351x_hash_cfg.h>
+
+#ifndef RXTOE_DEBUG
+#define RXTOE_DEBUG
+#endif
+#undef RXTOE_DEBUG
+
+/*----------------------------------------------------------------------
+* Definition
+*----------------------------------------------------------------------*/
+#define	hash_printf				printk
+
+#define HASH_TIMER_PERIOD		(30)	// seconds
+#define HASH_ILLEGAL_INDEX		0xffff
+
+/*----------------------------------------------------------------------
+* Variables
+*----------------------------------------------------------------------*/
+u32					hash_nat_owner_bits[HASH_TOTAL_ENTRIES/32];
+char 				hash_tables[HASH_TOTAL_ENTRIES][HASH_MAX_BYTES] __attribute__ ((aligned(16)));
+static struct timer_list hash_timer_obj;
+LIST_HEAD(hash_timeout_list);
+
+/*----------------------------------------------------------------------
+* Functions
+*----------------------------------------------------------------------*/
+void dm_long(u32 location, int length);
+static void hash_timer_func(u32 data);
+
+/*----------------------------------------------------------------------
+* hash_init
+*----------------------------------------------------------------------*/
+void sl351x_hash_init(void)
+{
+	int i;
+	volatile u32 *dp1, *dp2, dword;
+
+	dp1 = (volatile u32 *) TOE_V_BIT_BASE;
+	dp2 = (volatile u32 *) TOE_A_BIT_BASE;
+
+	for (i=0; i<HASH_TOTAL_ENTRIES/32; i++)
+	{
+		*dp1++ = 0;
+		dword = *dp2++;	// read-clear
+	}
+	memset((void *)&hash_nat_owner_bits, 0, sizeof(hash_nat_owner_bits));
+	memset((void *)&hash_tables, 0, sizeof(hash_tables));
+
+	init_timer(&hash_timer_obj);
+	hash_timer_obj.expires = jiffies + (HASH_TIMER_PERIOD * HZ);
+	hash_timer_obj.data = (unsigned long)&hash_timer_obj;
+	hash_timer_obj.function = (void *)&hash_timer_func;
+	add_timer(&hash_timer_obj);
+
+#if (HASH_MAX_BYTES == 128)
+	writel((unsigned long)__pa(&hash_tables) | 3,	// 32 words
+			TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG);
+#elif (HASH_MAX_BYTES == 64)
+	writel((unsigned long)__pa(&hash_tables) | 2,	// 16 words
+			TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG);
+#else
+	#error Incorrect setting for HASH_MAX_BYTES
+#endif
+
+}
+/*----------------------------------------------------------------------
+* hash_add_entry
+*----------------------------------------------------------------------*/
+int hash_add_entry(HASH_ENTRY_T *entry)
+{
+	int	rc;
+	u32	key[HASH_MAX_DWORDS];
+	rc = hash_build_keys((u32 *)&key, entry);
+	if (rc < 0)
+		return -1;
+	hash_write_entry(entry, (unsigned char*) &key[0]);
+//	hash_set_valid_flag(entry->index, 1);
+//	printk("Dump hash key!\n");
+//	dump_hash_key(entry);
+	return entry->index;
+}
+
+/*----------------------------------------------------------------------
+* hash_set_valid_flag
+*----------------------------------------------------------------------*/
+void hash_set_valid_flag(int index, int valid)
+{
+	register u32 reg32;
+
+	reg32 = TOE_V_BIT_BASE + (index/32) * 4;
+
+	if (valid)
+	{
+		writel(readl(reg32) | (1 << (index%32)), reg32);
+	}
+	else
+	{
+		writel(readl(reg32) & ~(1 << (index%32)), reg32);
+	}
+}
+
+/*----------------------------------------------------------------------
+* hash_set_nat_owner_flag
+*----------------------------------------------------------------------*/
+void hash_set_nat_owner_flag(int index, int valid)
+{
+	if (valid)
+	{
+		hash_nat_owner_bits[index/32] |= (1 << (index % 32));
+	}
+	else
+	{
+		hash_nat_owner_bits[index/32] &= ~(1 << (index % 32));
+	}
+}
+
+
+/*----------------------------------------------------------------------
+* hash_build_keys
+*----------------------------------------------------------------------*/
+int hash_build_keys(u32 *destp, HASH_ENTRY_T *entry)
+{
+	u32 	data;
+	unsigned char 	*cp;
+	int				i, j;
+	unsigned short 	index;
+	int 			total;
+
+	memset((void *)destp, 0, HASH_MAX_BYTES);
+	cp = (unsigned char *)destp;
+
+	if (entry->key_present.port || entry->key_present.Ethertype)
+	{
+		HASH_PUSH_WORD(cp, entry->key.Ethertype);		// word 0
+		HASH_PUSH_BYTE(cp, entry->key.port);			// Byte 2
+		HASH_PUSH_BYTE(cp, 0);							// Byte 3
+	}
+	else
+	{
+		HASH_PUSH_DWORD(cp, 0);
+	}
+
+	if (entry->key_present.da || entry->key_present.sa)
+	{
+		unsigned char mac[4];
+		if (entry->key_present.da)
+		{
+			for (i=0; i<4; i++)
+				HASH_PUSH_BYTE(cp, entry->key.da[i]);
+		}
+		mac[0] = (entry->key_present.da) ? entry->key.da[4] : 0;
+		mac[1] = (entry->key_present.da) ? entry->key.da[5] : 0;
+		mac[2] = (entry->key_present.sa) ? entry->key.sa[0] : 0;
+		mac[3] = (entry->key_present.sa) ? entry->key.sa[1] : 0;
+		data = mac[0] + (mac[1]<<8) + (mac[2]<<16) + (mac[3]<<24);
+		HASH_PUSH_DWORD(cp, data);
+		if (entry->key_present.sa)
+		{
+			for (i=2; i<6; i++)
+				HASH_PUSH_BYTE(cp, entry->key.sa[i]);
+		}
+	}
+
+	if (entry->key_present.pppoe_sid || entry->key_present.vlan_id)
+	{
+		HASH_PUSH_WORD(cp, entry->key.vlan_id);		// low word
+		HASH_PUSH_WORD(cp, entry->key.pppoe_sid);	// high word
+	}
+	if (entry->key_present.ipv4_hdrlen || entry->key_present.ip_tos || entry->key_present.ip_protocol)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.ip_protocol);		// Byte 0
+		HASH_PUSH_BYTE(cp, entry->key.ip_tos);			// Byte 1
+		HASH_PUSH_BYTE(cp, entry->key.ipv4_hdrlen);		// Byte 2
+		HASH_PUSH_BYTE(cp, 0);							// Byte 3
+	}
+
+	if (entry->key_present.ipv6_flow_label)
+	{
+		HASH_PUSH_DWORD(cp, entry->key.ipv6_flow_label);	// low word
+	}
+	if (entry->key_present.sip)
+	{
+		// input (entry->key.sip[i]) is network-oriented
+		// output (hash key) is host-oriented
+		for (i=3; i>=0; i--)
+			HASH_PUSH_BYTE(cp, entry->key.sip[i]);
+		if (entry->key.ipv6)
+		{
+			for (i=4; i<16; i+=4)
+			{
+				for (j=i+3; j>=i; j--)
+					HASH_PUSH_BYTE(cp, entry->key.sip[j]);
+			}
+		}
+	}
+	if (entry->key_present.dip)
+	{
+		// input (entry->key.sip[i]) is network-oriented
+		// output (hash key) is host-oriented
+		for (i=3; i>=0; i--)
+			HASH_PUSH_BYTE(cp, entry->key.dip[i]);
+		if (entry->key.ipv6)
+		{
+			for (i=4; i<16; i+=4)
+			{
+				for (j=i+3; j>=i; j--)
+					HASH_PUSH_BYTE(cp, entry->key.dip[j]);
+			}
+		}
+	}
+
+	if (entry->key_present.l4_bytes_0_3)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]);
+	}
+	if (entry->key_present.l4_bytes_4_7)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[4]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[5]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[6]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[7]);
+	}
+	if (entry->key_present.l4_bytes_8_11)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[8]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[9]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[10]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[11]);
+	}
+	if (entry->key_present.l4_bytes_12_15)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[12]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[13]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[14]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[15]);
+	}
+	if (entry->key_present.l4_bytes_16_19)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[16]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[17]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[18]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[19]);
+	}
+	if (entry->key_present.l4_bytes_20_23)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[20]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[21]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[22]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[23]);
+	}
+	if (entry->key_present.l7_bytes_0_3)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[0]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[1]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[2]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[3]);
+	}
+	if (entry->key_present.l7_bytes_4_7)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[4]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[5]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[6]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[7]);
+	}
+	if (entry->key_present.l7_bytes_8_11)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[8]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[9]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[10]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[11]);
+	}
+	if (entry->key_present.l7_bytes_12_15)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[12]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[13]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[14]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[15]);
+	}
+	if (entry->key_present.l7_bytes_16_19)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[16]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[17]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[18]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[19]);
+	}
+	if (entry->key_present.l7_bytes_20_23)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[20]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[21]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[22]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[23]);
+	}
+
+	// get hash index
+	total = (u32)((u32)cp - (u32)destp) / (sizeof(u32));
+
+	if (total > HASH_MAX_KEY_DWORD)
+	{
+		//hash_printf("Total key words (%d) is too large (> %d)!\n",
+		//				total, HASH_MAX_KEY_DWORD);
+		return -1;
+	}
+
+	if (entry->key_present.port || entry->key_present.Ethertype)
+		index = hash_gen_crc16((unsigned char *)destp, total * 4);
+	else
+	{
+		if (total == 1)
+		{
+			hash_printf("No key is assigned!\n");
+			return -1;
+		}
+
+		index = hash_gen_crc16((unsigned char *)(destp+1), (total-1) * 4);
+	}
+
+	entry->index = index & HASH_BITS_MASK;
+
+	//hash_printf("Total key words = %d, Hash Index= %d\n",
+	//				total, entry->index);
+
+	cp = (unsigned char *)destp;
+	cp+=3;
+	HASH_PUSH_BYTE(cp, entry->rule);	// rule
+
+	entry->total_dwords = total;
+
+	return total;
+}
+
+/*----------------------------------------------------------------------
+* hash_build_nat_keys
+*----------------------------------------------------------------------*/
+void hash_build_nat_keys(u32 *destp, HASH_ENTRY_T *entry)
+{
+	unsigned char 	*cp;
+	int				i;
+	unsigned short 	index;
+	int 			total;
+
+	memset((void *)destp, 0, HASH_MAX_BYTES);
+
+	cp = (unsigned char *)destp + 2;
+	HASH_PUSH_BYTE(cp, entry->key.port);
+	cp++;
+
+	if (entry->key_present.pppoe_sid || entry->key_present.vlan_id)
+	{
+		HASH_PUSH_WORD(cp, entry->key.vlan_id);		// low word
+		HASH_PUSH_WORD(cp, entry->key.pppoe_sid);	// high word
+	}
+
+	HASH_PUSH_BYTE(cp, entry->key.ip_protocol);
+	cp+=3;
+
+	// input (entry->key.sip[i]) is network-oriented
+	// output (hash key) is host-oriented
+	for (i=3; i>=0; i--)
+		HASH_PUSH_BYTE(cp, entry->key.sip[i]);
+
+	// input (entry->key.sip[i]) is network-oriented
+	// output (hash key) is host-oriented
+	for (i=3; i>=0; i--)
+		HASH_PUSH_BYTE(cp, entry->key.dip[i]);
+
+	HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]);
+	HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]);
+	HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]);
+	HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]);
+
+	// get hash index
+	total = (u32)((u32)cp - (u32)destp) / (sizeof(u32));
+
+	index = hash_gen_crc16((unsigned char *)destp, total * 4);
+	entry->index = index & ((1 << HASH_BITS) - 1);
+
+	cp = (unsigned char *)destp;
+	cp+=3;
+	HASH_PUSH_BYTE(cp, entry->rule);	// rule
+
+	entry->total_dwords = total;
+}
+
+/*----------------------------------------------------------------------
+* hash_build_toe_keys
+*----------------------------------------------------------------------*/
+int hash_build_toe_keys(u32 *destp, HASH_ENTRY_T *entry)
+{
+	unsigned long	data;
+	unsigned char	*cp;
+	unsigned short	index;
+	int	i;
+	int total;
+	//printk("%s\n", __func__);
+	memset((void*)destp, 0, HASH_MAX_BYTES);
+	cp = (unsigned char*)destp;
+
+	if(entry->key_present.port || entry->key_present.Ethertype) {
+		data = (entry->key.port << 16) + entry->key.Ethertype;
+		HASH_PUSH_DWORD(cp, data);
+	} else
+		HASH_PUSH_DWORD(cp, 0);
+
+	if (entry->key_present.da || entry->key_present.sa) {
+		unsigned char	mac[4];
+		if (entry->key_present.da) {
+			data = (entry->key.da[0]) + (entry->key.da[1] << 8) +
+				   (entry->key.da[2] << 16) + (entry->key.da[3] <<24);
+			HASH_PUSH_DWORD(cp, data);
+		}
+		mac[0] = (entry->key_present.da) ? entry->key.da[4] : 0;
+		mac[1] = (entry->key_present.da) ? entry->key.da[5] : 0;
+		mac[2] = (entry->key_present.sa) ? entry->key.sa[0] : 0;
+		mac[3] = (entry->key_present.sa) ? entry->key.sa[1] : 0;
+		data = mac[0] + (mac[1]<<8) + (mac[2]<<16) + (mac[3]<<24);
+		HASH_PUSH_DWORD(cp, data);
+		if (entry->key_present.sa) {
+			data = (entry->key.sa[2]) + (entry->key.sa[3] << 8) +
+				   (entry->key.sa[4] << 16) + (entry->key.sa[5] <<24);
+			HASH_PUSH_DWORD(cp, data);
+		}
+	}
+
+	if (entry->key_present.ip_protocol) {
+		unsigned char ip_protocol;
+		ip_protocol = entry->key.ip_protocol;
+		data = ip_protocol;
+		HASH_PUSH_DWORD(cp, data);
+	}
+
+	if (entry->key_present.ipv6_flow_label) {
+		unsigned long flow_label;
+		flow_label  = entry->key.ipv6_flow_label;
+		data = flow_label & 0xfffff;
+		HASH_PUSH_DWORD(cp, data);
+	}
+
+	if (entry->key_present.sip)	{
+		{
+			data = IPIV(entry->key.sip[0], entry->key.sip[1],
+					entry->key.sip[2], entry->key.sip[3]);
+			HASH_PUSH_DWORD(cp, data);
+			if (entry->key.ipv6) {
+				for (i=4; i<16; i+=4) {
+					data = IPIV(entry->key.sip[i+0], entry->key.sip[i+1],
+							entry->key.sip[i+2], entry->key.sip[i+3]);
+					HASH_PUSH_DWORD(cp, data);
+				}
+			}
+		}
+	}
+
+	if (entry->key_present.dip)	{
+		{
+			data = IPIV(entry->key.dip[0], entry->key.dip[1],
+						entry->key.dip[2], entry->key.dip[3]);
+			HASH_PUSH_DWORD(cp, data);
+			if (entry->key.ipv6) {
+				for (i=4; i<16; i+=4) {
+					data = IPIV(entry->key.dip[i+0], entry->key.dip[i+1],
+								entry->key.dip[i+2], entry->key.dip[i+3]);
+					HASH_PUSH_DWORD(cp, data);
+				}
+			}
+		}
+	}
+	if (entry->key_present.l4_bytes_0_3)
+	{
+		unsigned char *datap;
+		datap = &entry->key.l4_bytes[0];
+		data = 	datap[0] + 	(datap[1] << 8) + (datap[2] << 16) + (datap[3] << 24);
+		HASH_PUSH_DWORD(cp, data);
+	}
+	if (entry->key_present.l7_bytes_0_3)
+	{
+		unsigned char *datap;
+		datap = &entry->key.l7_bytes[0];
+		data = 	datap[0] + 	(datap[1] << 8) + (datap[2] << 16) + (datap[3] << 24);
+		HASH_PUSH_DWORD(cp, data);
+	}
+	if (entry->key_present.l7_bytes_4_7)
+	{
+		unsigned char *datap;
+		datap = &entry->key.l7_bytes[4];
+		data = 	datap[0] + 	(datap[1] << 8) + (datap[2] << 16) + (datap[3] << 24);
+		HASH_PUSH_DWORD(cp, data);
+	}
+
+	total = (unsigned long)((unsigned long)cp - (unsigned long)destp) / (sizeof(u32));
+	if (total > HASH_MAX_KEY_DWORD) {
+		//printf("Total key words (%d) is too large (> %d)!\n",
+		//		total, HASH_MAX_KEY_DWORD);
+		return -1;
+	}
+	index = hash_gen_crc16((unsigned char*)(destp + 1), (total-1)*4);
+	entry->index = index & ((1 << HASH_BITS)-1);
+
+	cp = (unsigned char*) destp;
+	cp += 3;
+	HASH_PUSH_BYTE(cp, entry->rule);
+	entry->total_dwords = total;
+	return total;
+}
+
+/*----------------------------------------------------------------------
+* hash_add_toe_entry
+*----------------------------------------------------------------------*/
+int hash_add_toe_entry(HASH_ENTRY_T *entry)
+{
+	int	rc;
+	u32	key[HASH_MAX_DWORDS];
+
+	rc = hash_build_toe_keys((u32 *)&key, entry);
+	if (rc < 0)
+		return -1;
+	hash_write_entry(entry, (unsigned char*) &key[0]);
+	//hash_dump_entry(entry->index);
+//	hash_set_valid_flag(entry->index, 1);
+//	printk("Dump hash key!\n");
+//	dump_hash_key(entry);
+	return entry->index;
+}
+
+
+/*----------------------------------------------------------------------
+* hash_write_entry
+*----------------------------------------------------------------------*/
+int hash_write_entry(HASH_ENTRY_T *entry, unsigned char *key)
+{
+	int		i;
+	u32		*srcep, *destp, *destp2;
+
+	srcep = (u32 *)key;
+	destp2 = destp = (u32 *)&hash_tables[entry->index][0];
+
+	for (i=0; i<(entry->total_dwords); i++, srcep++, destp++)
+		*destp = *srcep;
+
+	srcep = (u32 *)&entry->action;
+	*destp++ = *srcep;
+
+	srcep = (u32 *)&entry->param;
+	for (i=0; i<(sizeof(ENTRY_PARAM_T)/sizeof(*destp)); i++, srcep++, destp++)
+		*destp = *srcep;
+
+	memset(destp, 0, (HASH_MAX_DWORDS-entry->total_dwords-HASH_ACTION_DWORDS) * sizeof(u32));
+
+	consistent_sync(destp2, (entry->total_dwords+HASH_ACTION_DWORDS) * 4, PCI_DMA_TODEVICE);
+	return 0;
+}
+
+/*----------------------------------------------------------------------
+* hash_timer_func
+*----------------------------------------------------------------------*/
+static void hash_timer_func(u32 data)
+{
+	int					i, j, idx;
+	volatile u32		*own_p, *valid_p;
+	u32					own_bits, a_bits;
+	int					period = HASH_TIMER_PERIOD;
+
+	valid_p = (volatile u32 *)TOE_V_BIT_BASE;
+	own_p = (volatile u32 *)hash_nat_owner_bits;
+	for (i=0, idx=0; i<(HASH_TOTAL_ENTRIES/32); i++, own_p++, valid_p++, idx+=32)
+	{
+		a_bits = readl(TOE_A_BIT_BASE + (i*4));
+		own_bits = *own_p;
+		if (own_bits)
+		{
+			for (j=0; own_bits && j<32; j++)
+			{
+				if (own_bits & 1)
+				{
+					short *counter_p, *interval_p;
+					NAT_HASH_ENTRY_T	*nat_entry;
+					GRE_HASH_ENTRY_T	*gre_entry;
+					nat_entry = (NAT_HASH_ENTRY_T *)hash_get_entry(idx+j);
+					gre_entry = (GRE_HASH_ENTRY_T *)nat_entry;
+					if (nat_entry->key.ip_protocol == IPPROTO_GRE)
+					{
+						counter_p = (short *)&gre_entry->tmo.counter;
+						interval_p = (short *)&gre_entry->tmo.interval;
+					}
+					else
+					{
+						counter_p = (short *)&nat_entry->tmo.counter;
+						interval_p = (short *)&nat_entry->tmo.interval;
+					}
+					if (a_bits & 1)
+					{
+						*counter_p = *interval_p;
+					}
+					else
+					{
+						*counter_p -= HASH_TIMER_PERIOD;
+						if (*counter_p <= 0)
+						{
+							*valid_p &= ~(1 << j);		// invalidate it
+							*own_p &= ~(1 << j);		// release ownership for NAT
+							*counter_p = 0;
+							// hash_printf("%lu %s: Clear hash index: %d\n", jiffies/HZ, __func__, i*32+j);
+						}
+						else if (period > *counter_p)
+						{
+							period = *counter_p;
+						}
+					}
+				}
+				a_bits >>= 1;
+				own_bits >>=1;
+			}
+		}
+	}
+
+	hash_timer_obj.expires = jiffies + (period * HZ);
+	add_timer((struct timer_list *)data);
+}
+
+/*----------------------------------------------------------------------
+* dm_long
+*----------------------------------------------------------------------*/
+void dm_long(u32 location, int length)
+{
+	u32		*start_p, *curr_p, *end_p;
+	u32		*datap, data;
+	int		i;
+
+	//if (length > 1024)
+	//	length = 1024;
+
+	start_p = (u32 *)location;
+	end_p = (u32 *)location + length;
+	curr_p = (u32 *)((u32)location & 0xfffffff0);
+	datap = (u32 *)location;
+	while (curr_p < end_p)
+	{
+		hash_printf("0x%08x: ",(u32)curr_p & 0xfffffff0);
+		for (i=0; i<4; i++)
+		{
+			if (curr_p < start_p || curr_p >= end_p)
+               hash_printf("         ");
+			else
+			{
+				data = *datap;
+				hash_printf("%08X ", data);
+			}
+			if (i==1)
+              hash_printf("- ");
+
+			curr_p++;
+			datap++;
+		}
+        hash_printf("\n");
+	}
+}
+
+/*----------------------------------------------------------------------
+* hash_dump_entry
+*----------------------------------------------------------------------*/
+void hash_dump_entry(int index)
+{
+	hash_printf("Hash Index %d:\n", index);
+	dm_long((u32)&hash_tables[index][0], HASH_MAX_DWORDS);
+}
+
+
--- /dev/null
+++ b/drivers/net/sl351x_nat.c
@@ -0,0 +1,1736 @@
+/****************************************************************************
+* Copyright 2006 StorLink Semiconductors, Inc.  All rights reserved.
+*----------------------------------------------------------------------------
+* Name			: sl351x_nat.c
+* Description	:
+*		Handle Storlink SL351x NAT Functions
+*
+*
+* Packet Flow:
+*
+*            (xmit)+<--- SW NAT -->+(xmit)
+*                  |       ^^      |
+*                  |       ||      |
+*                  |       ||      |
+*   Client <---> GMAC-x  HW-NAT  GMAC-y  <---> Server
+*
+*
+* History
+*
+*	Date		Writer		Description
+*----------------------------------------------------------------------------
+*	03/13/2006	Gary Chen	Create and implement
+*
+*
+****************************************************************************/
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/delay.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/completion.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/semaphore.h>
+#include <asm/arch/irqs.h>
+#include <asm/arch/it8712.h>
+#include <linux/mtd/kvctl.h>
+#include <linux/skbuff.h>
+#include <linux/if_ether.h>
+#include <linux/if_pppox.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/ppp_defs.h>
+
+#define	 MIDWAY
+#define	 SL_LEPUS
+
+#include <asm/arch/sl2312.h>
+#include <asm/arch/sl351x_gmac.h>
+#include <asm/arch/sl351x_hash_cfg.h>
+#include <asm/arch/sl351x_nat_cfg.h>
+#ifdef CONFIG_NETFILTER
+// #include <linux/netfilter/nf_conntrack.h>
+#include <linux/netfilter/nf_conntrack_tcp.h>
+#endif
+
+//#define NAT_DEBUG_MSG		1
+#define _NOT_CHECK_SIP_DIP
+//#define	SL351x_NAT_TEST_BY_SMARTBITS		1	// Initialize 32 hash entries and test by SmartBITS
+#define VITESSE_G5SWITCH	1
+
+#ifdef CONFIG_SL351x_NAT
+
+/*----------------------------------------------------------------------
+* Definition
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL3516_ASIC
+#define CONFIG_SL351x_NAT_TCP_UDP
+#define CONFIG_SL351x_NAT_GRE
+#define CONFIG_SL351x_TCP_UDP_RULE_ID	0
+#define CONFIG_SL351x_GRE_RULE_ID		1
+#else
+#define CONFIG_SL351x_NAT_TCP_UDP
+//#define CONFIG_SL351x_NAT_GRE
+#define CONFIG_SL351x_TCP_UDP_RULE_ID	0
+#define CONFIG_SL351x_GRE_RULE_ID		0
+#endif
+
+#define	nat_printf					printk
+#define NAT_FTP_CTRL_PORT 			(21)	// TCP
+#define NAT_H323_PORT				(1720)	// TCP
+#define NAT_T120_PORT				(1503)	// TCP
+#define NAT_PPTP_PORT				(1723)	// TCP
+#define NAT_TFTP_PORT 				(69)	// UDP
+#define NAT_DNS_PORT 				(53)	// UDP
+#define NAT_NTP_PORT				(123)	// UDP
+#define NAT_RAS_PORT				(1719)	// UDP
+#define NAT_BOOTP67_PORT			(67)	// UDP
+#define NAT_BOOTP68_PORT			(68)	// UDP
+
+#define NAT_TCP_PORT_MAX			64
+#define NAT_UDP_PORT_MAX			64
+
+#define GRE_PROTOCOL				(0x880b)
+#define GRE_PROTOCOL_SWAP			__constant_htons(0x880b)
+
+#ifdef VITESSE_G5SWITCH
+extern int Giga_switch;
+#endif
+
+typedef struct
+{
+	u16		flags_ver;
+	u16		protocol;
+	u16		payload_length;
+	u16		call_id;
+	u32		seq;
+	u32		ack;
+} GRE_PKTHDR_T;
+
+/*----------------------------------------------------------------------
+* NAT Configuration
+*
+* Note: Any change for network setting, the NAT configuration should
+*       be changed also.
+*	cfg->lan_port	0 if GMAC-0, 1: if GMAC-1
+*	cfg->wan_port	0 if GMAC-0, 1: if GMAC-1
+*	cfg->lan_ipaddr, cfg->lan_gateway, cfg->lan_netmask
+*	cfg->wan_ipaddr, cfg->wan_gateway, cfg->wan_netmask
+*
+*----------------------------------------------------------------------*/
+NAT_CFG_T 		nat_cfg;
+static int		nat_initialized;
+u32 			nat_collision;
+
+#ifdef CONFIG_SL351x_NAT_TCP_UDP
+static u16		fixed_tcp_port_list[]={NAT_FTP_CTRL_PORT,
+							   			NAT_H323_PORT,
+							   			// NAT_T120_PORT,
+							   			NAT_PPTP_PORT,
+										0};
+static u16		fixed_udp_port_list[]={NAT_DNS_PORT,
+									  	NAT_NTP_PORT,
+									  	NAT_TFTP_PORT,
+										NAT_RAS_PORT,
+									  	NAT_BOOTP67_PORT,
+									  	NAT_BOOTP68_PORT,
+									   	0};
+#endif
+
+// #define _HAVE_DYNAMIC_PORT_LIST
+#ifdef _HAVE_DYNAMIC_PORT_LIST
+static u16		dynamic_tcp_port_list[NAT_TCP_PORT_MAX+1];
+static u16		dynamic_udp_port_list[NAT_UDP_PORT_MAX+1]};
+#endif
+
+/*----------------------------------------------------------------------
+* Functions
+*----------------------------------------------------------------------*/
+int sl351x_nat_tcp_udp_output(struct sk_buff *skb, int port);
+int sl351x_nat_udp_output(struct sk_buff *skb, int port);
+int sl351x_nat_gre_output(struct sk_buff *skb, int port);
+
+extern int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2);
+extern void hash_dump_entry(int index);
+extern void mac_get_hw_tx_weight(struct net_device *dev, char *weight);
+extern void mac_set_hw_tx_weight(struct net_device *dev, char *weight);
+
+#ifdef SL351x_NAT_TEST_BY_SMARTBITS
+static void nat_init_test_entry(void);
+#endif
+/*----------------------------------------------------------------------
+* sl351x_nat_init
+*	initialize a NAT matching rule
+*	Called by SL351x Driver
+*		key		: port, protocol, Sip, Dip, Sport, Dport
+*		Action	: Srce Q: HW Free Queue,
+*				  Dest Q: HW TxQ
+*				  Change DA
+*				  Change SA
+*                 Change Sip or Dip
+*    			  Change Sport or Dport
+*----------------------------------------------------------------------*/
+void sl351x_nat_init(void)
+{
+	int					rc;
+	GMAC_MRxCR0_T		mrxcr0;
+	GMAC_MRxCR1_T		mrxcr1;
+	GMAC_MRxCR2_T		mrxcr2;
+	NAT_CFG_T			*cfg;
+
+	if (nat_initialized)
+		return;
+
+	nat_initialized = 1;
+
+	if ((sizeof(NAT_HASH_ENTRY_T) > HASH_MAX_BYTES) ||
+		(sizeof(GRE_HASH_ENTRY_T) > HASH_MAX_BYTES))
+	{
+		nat_printf("NAT_HASH_ENTRY_T structure Size is too larger!\n");
+		while(1);
+	}
+
+	cfg = (NAT_CFG_T *)&nat_cfg;
+	memset((void *)cfg, 0, sizeof(NAT_CFG_T));
+#ifdef _HAVE_DYNAMIC_PORT_LIST
+	memset((void *)dynamic_tcp_port_list, 0, sizeof(dynamic_tcp_port_list));
+	memset((void *)dynamic_udp_port_list, 0, sizeof(dynamic_udp_port_list));
+#endif
+
+#ifdef VITESSE_G5SWITCH
+	if(Giga_switch)
+	{
+		cfg->enabled			= 1;
+		cfg->tcp_udp_rule_id 	= CONFIG_SL351x_TCP_UDP_RULE_ID;
+		cfg->gre_rule_id 		= CONFIG_SL351x_GRE_RULE_ID;
+		cfg->lan_port			= 1;
+		cfg->wan_port			= 0;
+		cfg->default_hw_txq 	= 3;
+		cfg->tcp_tmo_interval 	= 60;
+		cfg->udp_tmo_interval 	= 180;
+		cfg->gre_tmo_interval 	= 60;
+	}
+	else
+	{
+		cfg->enabled			= 1;
+		cfg->tcp_udp_rule_id 	= CONFIG_SL351x_TCP_UDP_RULE_ID;
+		cfg->gre_rule_id 		= CONFIG_SL351x_GRE_RULE_ID;
+		cfg->lan_port			= 0;
+		cfg->wan_port			= 1;
+		cfg->default_hw_txq 	= 3;
+		cfg->tcp_tmo_interval 	= 60;
+		cfg->udp_tmo_interval 	= 180;
+		cfg->gre_tmo_interval 	= 60;
+
+	}
+#endif
+
+#if 1	//	debug purpose
+	cfg->ipcfg[0].total				= 1;
+	cfg->ipcfg[0].entry[0].ipaddr	= IPIV(192,168,2,92);
+	cfg->ipcfg[0].entry[0].netmask	= IPIV(255,255,255,0);
+	cfg->ipcfg[1].total				= 1;
+	cfg->ipcfg[1].entry[0].ipaddr	= IPIV(192,168,1,200);
+	cfg->ipcfg[1].entry[0].netmask	= IPIV(255,255,255,0);
+#endif
+
+#if 1
+	cfg->xport.total = 0;
+#else
+	cfg->xport.total = 4;
+
+	// H.323/H.225 Call setup
+	cfg->xport.entry[0].protocol = IPPROTO_TCP;
+	cfg->xport.entry[0].sport_start = 0;
+	cfg->xport.entry[0].sport_end = 0;
+	cfg->xport.entry[0].dport_start = 1720;
+	cfg->xport.entry[0].dport_end = 1720;
+	cfg->xport.entry[1].protocol = IPPROTO_TCP;
+	cfg->xport.entry[1].sport_start = 1720;
+	cfg->xport.entry[1].sport_end = 1720;
+	cfg->xport.entry[1].dport_start = 0;
+	cfg->xport.entry[1].dport_end = 0;
+
+	// RAS Setup
+	cfg->xport.entry[2].protocol = IPPROTO_UDP;
+	cfg->xport.entry[2].sport_start = 0;
+	cfg->xport.entry[2].sport_end = 0;
+	cfg->xport.entry[2].dport_start = 1719;
+	cfg->xport.entry[2].dport_end = 1719;
+	cfg->xport.entry[3].protocol = IPPROTO_UDP;
+	cfg->xport.entry[3].sport_start = 1719;
+	cfg->xport.entry[3].sport_end = 1719;
+	cfg->xport.entry[3].dport_start = 0;
+	cfg->xport.entry[3].dport_end = 0;
+#endif
+
+#ifdef CONFIG_SL351x_NAT_TCP_UDP
+	mrxcr0.bits32 = 0;
+	mrxcr1.bits32 = 0;
+	mrxcr2.bits32 = 0;
+	mrxcr0.bits.port = 1;
+	mrxcr0.bits.l3 = 1;
+	mrxcr0.bits.l4 = 1;
+	mrxcr1.bits.sip = 1;
+	mrxcr1.bits.dip = 1;
+	mrxcr1.bits.l4_byte0_15 = 0x0f;	// Byte 0-3
+	mrxcr0.bits.sprx = 3;
+
+	rc = mac_set_rule_reg(cfg->lan_port, cfg->tcp_udp_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32);
+	if (rc < 0)
+	{
+		nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->lan_port, cfg->tcp_udp_rule_id);
+	}
+
+	if (cfg->lan_port != cfg->wan_port)
+	{
+		rc = mac_set_rule_reg(cfg->wan_port, cfg->tcp_udp_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32);
+		if (rc < 0)
+		{
+			nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->wan_port, cfg->tcp_udp_rule_id);
+		}
+	}
+#endif
+
+#ifdef CONFIG_SL351x_NAT_GRE
+	mrxcr0.bits32 = 0;
+	mrxcr1.bits32 = 0;
+	mrxcr2.bits32 = 0;
+	mrxcr0.bits.port = 1;
+	mrxcr0.bits.l3 = 1;
+	mrxcr0.bits.l4 = 1;
+	mrxcr1.bits.sip = 1;
+	mrxcr1.bits.dip = 1;
+	mrxcr1.bits.l4_byte0_15 = 0xcc;	// Byte 2, 3, 6, 7
+	mrxcr0.bits.sprx = 4;			// see GMAC driver about SPR
+
+	rc = mac_set_rule_reg(cfg->lan_port, cfg->gre_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32);
+	if (rc < 0)
+	{
+		nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->lan_port, cfg->gre_rule_id);
+	}
+
+	if (cfg->lan_port != cfg->wan_port)
+	{
+		rc = mac_set_rule_reg(cfg->wan_port, cfg->gre_rule_id, 1, mrxcr0.bits32, mrxcr1.bits32, mrxcr2.bits32);
+		if (rc < 0)
+		{
+			nat_printf("NAT Failed to set MAC-%d Rule %d!\n", cfg->wan_port, cfg->gre_rule_id);
+		}
+	}
+#endif
+
+#ifdef SL351x_NAT_TEST_BY_SMARTBITS
+	nat_init_test_entry();
+#endif
+}
+
+/*----------------------------------------------------------------------
+* nat_build_keys
+*	Note: To call this routine, the key->rule_id MUST be zero
+*----------------------------------------------------------------------*/
+static inline int nat_build_keys(NAT_KEY_T *key)
+{
+	return hash_gen_crc16((unsigned char *)key, NAT_KEY_SIZE) & HASH_BITS_MASK;
+}
+
+/*----------------------------------------------------------------------
+* gre_build_keys
+*	Note: To call this routine, the key->rule_id MUST be zero
+*----------------------------------------------------------------------*/
+static inline int gre_build_keys(GRE_KEY_T *key)
+{
+	return hash_gen_crc16((unsigned char *)key, GRE_KEY_SIZE) & HASH_BITS_MASK;
+}
+
+/*----------------------------------------------------------------------
+* nat_write_hash_entry
+*----------------------------------------------------------------------*/
+static inline int nat_write_hash_entry(int index, void *hash_entry)
+{
+	int		i;
+	u32		*srcep, *destp, *destp2;
+
+	srcep = (u32 *)hash_entry;
+	destp = destp2 = (u32 *)&hash_tables[index][0];
+
+	for (i=0; i<(NAT_HASH_ENTRY_SIZE/sizeof(u32)); i++)
+		*destp++ = *srcep++;
+
+	consistent_sync(destp2, NAT_HASH_ENTRY_SIZE, PCI_DMA_TODEVICE);
+	return 0;
+}
+
+/*----------------------------------------------------------------------
+* gre_write_hash_entry
+*----------------------------------------------------------------------*/
+static inline int gre_write_hash_entry(int index, void *hash_entry)
+{
+	int		i;
+	u32		*srcep, *destp, *destp2;
+
+	srcep = (u32 *)hash_entry;
+	destp = destp2 = (u32 *)&hash_tables[index][0];
+
+	for (i=0; i<(GRE_HASH_ENTRY_SIZE/sizeof(u32)); i++)
+		*destp++ = *srcep++;
+
+	consistent_sync(destp2, GRE_HASH_ENTRY_SIZE, PCI_DMA_TODEVICE);
+	return 0;
+}
+
+/*----------------------------------------------------------------------
+* sl351x_nat_find_ipcfg
+*	return NULL if not found
+*----------------------------------------------------------------------*/
+static NAT_IP_ENTRY_T *sl351x_nat_find_ipcfg(u32 ipaddr, int port)
+{
+	int				i;
+	NAT_IP_ENTRY_T	*ipcfg;
+
+	ipcfg = (NAT_IP_ENTRY_T *)&nat_cfg.ipcfg[port].entry[0];
+	for (i=0; i<nat_cfg.ipcfg[port].total; i++, ipcfg++)
+	{
+		if (ipaddr == ipcfg->ipaddr)
+		{
+			return ipcfg;
+		}
+	}
+	return NULL;
+}
+
+/*----------------------------------------------------------------------
+* sl351x_nat_assign_qid
+*----------------------------------------------------------------------*/
+static int sl351x_nat_assign_qid(u8 proto, u32 sip, u32 dip, u16 sport, u16 dport)
+{
+	int 				i, total, qid;
+	NAT_WRULE_ENTRY_T	*entry;
+
+	for (qid = 0; qid<CONFIG_NAT_TXQ_NUM; qid++)
+	{
+		if (qid == nat_cfg.default_hw_txq)
+			continue;
+
+		entry = (NAT_WRULE_ENTRY_T *)&nat_cfg.wrule[qid].entry[0];
+		total = nat_cfg.wrule[qid].total;
+		for (i=0; i<total; i++, entry++)
+		{
+			if (!entry->protocol || entry->protocol==proto)
+			{
+				//if (!entry->sip_start && !entry->dip_start && !entry->sport_start && !entry->dport_start)
+				//	continue; // UI take care
+				if (entry->sip_start && !((sip >= entry->sip_start) &&
+									   (sip <= entry->sip_end)))
+					continue;
+				if (entry->dip_start && !((dip >= entry->dip_start) &&
+									   (dip <= entry->dip_end)))
+					continue;
+				if (entry->sport_start && !((sport >= entry->sport_start) &&
+									   (sport <= entry->sport_end)))
+					continue;
+				if (entry->dport_start && !((dport >= entry->dport_start)
+					 			       && (dport <= entry->dport_end)))
+					continue;
+				return qid;
+			}
+		}
+	}
+	return nat_cfg.default_hw_txq;
+}
+
+/*----------------------------------------------------------------------
+* sl351x_nat_input
+*	Handle NAT input frames
+*	Called by SL351x Driver - Handle Default Rx Queue
+*	Notes: The caller must make sure that the l3off & l4offset should not be zero.
+*	SL351x NAT Frames should meet the following conditions:
+*	1. TCP or UDP frame
+*	2. Cannot be special ALGs ports which TCP/UDP data is updated
+*	3. LAN-IN Frames:
+*		Source IP is in the LAN subnet and Destination is not in the LAN subnet
+*	4. WAN-IN Frames
+*		Destination IP is in the WAN port IP
+*
+*	Example Ports
+*	1. TCP/UDP data is updated
+*		(a) FTP Control Packet
+*		(b) VoIP Packets
+*		(c) etc. (add in future)
+*	2. UDP Low packet rate, not worth
+*		(b) TFTP Destination Port is 69
+*		(b) DNS  53
+*		(c) NTP  123
+*		(d) etc. (add in future)
+*----------------------------------------------------------------------*/
+void sl351x_nat_input(struct sk_buff *skb, int port, void *l3off, void *l4off)
+{
+	int 				i, found;
+	u32					sip, dip;
+	u16					sport, dport;
+	struct ethhdr		*ether_hdr;
+	struct iphdr		*ip_hdr;
+	struct tcphdr		*tcp_hdr;
+	struct pppoe_hdr	*pppoe_hdr;
+	NAT_CB_T			*nat_cb;
+	u8					proto, pppoe_frame=0;
+	NAT_CFG_T			*cfg;
+	u16					ppp_proto;
+	NAT_IP_ENTRY_T		*ipcfg;
+	NAT_XPORT_ENTRY_T	*xentry;
+	GRE_PKTHDR_T		*gre_hdr;
+#ifdef CONFIG_SL351x_NAT_TCP_UDP
+	u16 				*port_ptr;
+#endif
+
+	cfg = (NAT_CFG_T *)&nat_cfg;
+	if (!cfg->enabled || !cfg->ipcfg[port].total)
+		return;
+
+	ip_hdr = (struct iphdr *)&(skb->data[(u32)l3off]);
+	proto = ip_hdr->protocol;
+
+	tcp_hdr = (struct tcphdr *)&(skb->data[(u32)l4off]);
+	gre_hdr = (GRE_PKTHDR_T *)tcp_hdr;
+	sport = ntohs(tcp_hdr->source);
+	dport = ntohs(tcp_hdr->dest);
+
+	sip = ntohl(ip_hdr->saddr);
+	dip = ntohl(ip_hdr->daddr);
+
+	if (dip == IPIV(255,255,255,255))
+		return;
+
+	if (port == cfg->lan_port)
+	{
+		ipcfg = (NAT_IP_ENTRY_T *)&cfg->ipcfg[port].entry[0];
+		for (i=0, found=0; i<cfg->ipcfg[port].total; i++, ipcfg++)
+		{
+			u32 subnet = ipcfg->ipaddr & ipcfg->netmask;
+			if (((sip & ipcfg->netmask) == subnet) &&
+				((dip & ipcfg->netmask) != subnet))
+			{
+				found = 1;
+				break;
+			}
+		}
+		if (!found)
+			return;
+	}
+	else
+	{
+#ifndef _NOT_CHECK_SIP_DIP	// enable it if know and get the wan ip address
+		if (!sl351x_nat_find_ipcfg(dip, port))
+		{
+			printk("WAN->LAN Incorrect Dip %d.%d.%d.%d\n", HIPQUAD(dip));
+			return;
+		}
+#endif
+		ether_hdr = (struct ethhdr *)skb->data;
+		pppoe_hdr = (struct pppoe_hdr *)(ether_hdr + 1);
+		ppp_proto = *(u16 *)&pppoe_hdr->tag[0];
+		if (ether_hdr->h_proto == __constant_htons(ETH_P_PPP_SES)	// 0x8864
+			&& ppp_proto == __constant_htons(PPP_IP) )				// 0x21
+		{
+			pppoe_frame = 1;
+		}
+	}
+
+#ifdef CONFIG_SL351x_NAT_TCP_UDP
+	if (proto == IPPROTO_TCP)
+	{
+#ifdef	NAT_DEBUG_MSG
+		nat_printf("From   GMAC-%d: 0x%-4X TCP %d.%d.%d.%d [%d] --> %d.%d.%d.%d [%d]",
+				port, ntohs(ip_hdr->id),
+				NIPQUAD(ip_hdr->saddr), sport,
+				NIPQUAD(ip_hdr->daddr), dport);
+		if (tcp_flag_word(tcp_hdr) & TCP_FLAG_SYN) nat_printf(" SYN");
+		if (tcp_flag_word(tcp_hdr) & TCP_FLAG_FIN) nat_printf(" FIN");
+		if (tcp_flag_word(tcp_hdr) & TCP_FLAG_RST) nat_printf(" RST");
+		if (tcp_flag_word(tcp_hdr) & TCP_FLAG_ACK) nat_printf(" ACK");
+		nat_printf("\n");
+#endif
+		// if (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN | TCP_FLAG_FIN | TCP_FLAG_RST))
+		if (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN))
+		{
+			return;
+		}
+		port_ptr = fixed_tcp_port_list;
+		for (i=0; *port_ptr; i++, port_ptr++)
+		{
+			if (sport == *port_ptr || dport == *port_ptr)
+				return;
+		}
+#ifdef _HAVE_DYNAMIC_PORT_LIST
+		port_ptr = dynamic_tcp_port_list;
+		for (i=0; *port_ptr; i++, port_ptr++)
+		{
+			if (sport == *port_ptr || dport == *port_ptr)
+				return;
+		}
+#endif
+	}
+	else if (proto == IPPROTO_UDP)
+	{
+#ifdef	NAT_DEBUG_MSG
+		nat_printf("From   GMAC-%d: 0x%-4X UDP %d.%d.%d.%d [%d] --> %d.%d.%d.%d [%d]",
+				port, ntohs(ip_hdr->id),
+				NIPQUAD(ip_hdr->saddr), sport,
+				NIPQUAD(ip_hdr->daddr), dport);
+		nat_printf("\n");
+#endif
+		port_ptr = fixed_udp_port_list;
+		for (i=0; *port_ptr; i++, port_ptr++)
+		{
+			if (sport == *port_ptr || dport == *port_ptr)
+				return;
+		}
+#ifdef _HAVE_DYNAMIC_PORT_LIST
+		port_ptr = dynamic_udp_port_list;
+		for (i=0; *port_ptr; i++, port_ptr++)
+		{
+			if (sport == *port_ptr || dport == *port_ptr)
+				return;
+		}
+#endif
+	}
+	else
+#endif	// CONFIG_SL351x_NAT_TCP_UDP
+#ifdef CONFIG_SL351x_NAT_GRE
+	if (proto == IPPROTO_GRE)
+	{
+		if (gre_hdr->protocol != GRE_PROTOCOL_SWAP)
+			return;
+#ifdef	NAT_DEBUG_MSG
+		nat_printf("From   GMAC-%d: 0x%-4X GRE %d.%d.%d.%d [%d] --> %d.%d.%d.%d",
+				port, ntohs(ip_hdr->id),
+				NIPQUAD(ip_hdr->saddr), ntohs(gre_hdr->call_id),
+				NIPQUAD(ip_hdr->daddr));
+		nat_printf("\n");
+#endif
+	}
+	else
+#endif
+		return;
+
+
+	// check xport list
+	xentry = (NAT_XPORT_ENTRY_T *)&cfg->xport.entry[0];
+	for (i=0; i<cfg->xport.total; i++, xentry++)
+	{
+		if (!xentry->protocol || xentry->protocol == proto)
+		{
+			//if (!xentry->sport_start && !xentry->dport_start) // UI take care
+			//	continue;
+			if (xentry->sport_start && !((sport >= xentry->sport_start) &&
+									   (sport <= xentry->sport_end)))
+				continue;
+			if (xentry->dport_start && !((dport >= xentry->dport_start)
+					 			       && (dport <= xentry->dport_end)))
+				continue;
+			return;
+		}
+	}
+
+	nat_cb = NAT_SKB_CB(skb);
+	if (((u32)nat_cb & 3))
+	{
+		nat_printf("%s ERROR! nat_cb is not alignment!!!!!!\n", __func__);
+		return;
+	}
+	nat_cb->tag = NAT_CB_TAG;
+	memcpy(nat_cb->sa, skb->data+6, 6);
+	nat_cb->sip = ip_hdr->saddr;
+	nat_cb->dip = ip_hdr->daddr;
+	if (proto == IPPROTO_GRE)
+	{
+		nat_cb->sport = gre_hdr->protocol;
+		nat_cb->dport = gre_hdr->call_id;
+	}
+	else
+	{
+		nat_cb->sport = tcp_hdr->source;
+		nat_cb->dport = tcp_hdr->dest;
+	}
+	nat_cb->pppoe_frame = pppoe_frame;
+}
+
+/*----------------------------------------------------------------------
+* sl351x_nat_output
+*	Handle NAT output frames
+*	Called by SL351x Driver - Transmit
+*
+*	1. If not SL351x NAT frames, return FALSE
+*	2. LAN-to-WAN frames
+*		(1) Sip must be WAN IP
+*	3. If TCP SY/RST/FIN frame, return
+*	4. Build the hash key and get the hash index
+*	5. If V-Bit is ON, return.
+*	6. Write hash entry and validate it
+*
+*----------------------------------------------------------------------*/
+int sl351x_nat_output(struct sk_buff *skb, int port)
+{
+	struct iphdr		*ip_hdr;
+	u8					proto;
+	NAT_CB_T			*nat_cb;
+
+	nat_cb = NAT_SKB_CB(skb);
+	if (nat_cb->tag != NAT_CB_TAG)
+		return 0;
+
+	if (((u32)nat_cb & 3))
+	{
+		nat_printf("%s ERROR! nat_cb is not alignment!!!!!!\n", __func__);
+		return 0;
+	}
+	ip_hdr = (struct iphdr *)skb->h.ipiph;
+	proto = ip_hdr->protocol;
+
+	switch (proto)
+	{
+		case IPPROTO_TCP:
+		case IPPROTO_UDP:
+			return sl351x_nat_tcp_udp_output(skb, port);
+		case IPPROTO_GRE:
+			return sl351x_nat_gre_output(skb, port);
+	}
+	return 0;
+}
+
+/*----------------------------------------------------------------------
+* sl351x_nat_tcp_udp_output
+*	Handle NAT TCP/UDP output frames
+*----------------------------------------------------------------------*/
+int sl351x_nat_tcp_udp_output(struct sk_buff *skb, int port)
+{
+	u32					sip, dip;
+	struct ethhdr		*ether_hdr;
+	struct iphdr		*ip_hdr;
+	struct tcphdr		*tcp_hdr;
+	struct pppoe_hdr	*pppoe_hdr;
+	NAT_CB_T			*nat_cb;
+	NAT_CFG_T			*cfg;
+	u8					proto;
+	u16					sport, dport, ppp_proto;
+	u32					hash_data[HASH_MAX_DWORDS];
+	NAT_HASH_ENTRY_T	*hash_entry;
+	int					hash_index;
+	struct ip_conntrack *nat_ip_conntrack;
+	enum ip_conntrack_info ctinfo;
+
+	nat_cb = NAT_SKB_CB(skb);
+	cfg = (NAT_CFG_T *)&nat_cfg;
+
+	ether_hdr = (struct ethhdr *)skb->data;
+	ip_hdr = (struct iphdr *)skb->h.ipiph;
+	tcp_hdr = (struct tcphdr *)((u32)ip_hdr + (ip_hdr->ihl<<2));
+	sip = ntohl(ip_hdr->saddr);
+	dip = ntohl(ip_hdr->daddr);
+	proto = ip_hdr->protocol;
+	sport = ntohs(tcp_hdr->source);
+	dport = ntohs(tcp_hdr->dest);
+
+#ifdef	NAT_DEBUG_MSG
+	{
+		nat_printf("To   GMAC-%d: 0x%-4X [%d] %d.%d.%d.%d [%d] --> %d.%d.%d.%d [%d]",
+				port, ntohs(ip_hdr->id), proto,
+				NIPQUAD(ip_hdr->saddr), sport,
+				NIPQUAD(ip_hdr->daddr), dport);
+		if (proto == IPPROTO_TCP)
+		{
+			if (tcp_flag_word(tcp_hdr) & TCP_FLAG_SYN) nat_printf(" SYN");
+			if (tcp_flag_word(tcp_hdr) & TCP_FLAG_FIN) nat_printf(" FIN");
+			if (tcp_flag_word(tcp_hdr) & TCP_FLAG_RST) nat_printf(" RST");
+			if (tcp_flag_word(tcp_hdr) & TCP_FLAG_ACK) nat_printf(" ACK");
+		}
+		nat_printf("\n");
+	}
+#endif
+	nat_ip_conntrack = ip_conntrack_get(skb, &ctinfo);
+	if (!nat_ip_conntrack)
+	{
+		nat_printf("IP conntrack info is not found!\n");
+		return 0;
+	}
+	// nat_printf("nat_ip_conntrack = 0x%x, status=0x%lx, ctinfo=%d\n", (u32)nat_ip_conntrack, nat_ip_conntrack->status, ctinfo);
+	// if (nat_ip_conntrack->master || nat_ip_conntrack->helper)
+	if (nat_ip_conntrack->helper)
+	{
+		nat_printf("Sport=%d Dport=%d master=0x%x, helper=0x%x\n", sport, dport, (u32)nat_ip_conntrack->master, (u32)nat_ip_conntrack->helper);
+		return 0;
+	}
+
+	//if (proto == IPPROTO_TCP && !(nat_ip_conntrack->status & IPS_ASSURED))
+	//	return 0;
+
+#ifdef	NAT_DEBUG_MSG
+	nat_printf("nat_ip_conntrack=0x%x, nat_cb->state=%d\n", (u32)nat_ip_conntrack, nat_cb->state);
+	nat_printf("lan2wan_hash_index=%d,  wan2lan_hash_index=%d\n", nat_ip_conntrack->lan2wan_hash_index, nat_ip_conntrack->wan2lan_hash_index);
+	nat_printf("lan2wan_collision=%d, wan2lan_collision=%d\n", nat_ip_conntrack->lan2wan_collision, nat_ip_conntrack->wan2lan_collision);
+#endif
+	if (proto == IPPROTO_TCP)
+	{
+		if (nat_cb->state >= TCP_CONNTRACK_FIN_WAIT && nat_cb->state <= TCP_CONNTRACK_CLOSE)
+		{
+			if 	(nat_ip_conntrack->lan2wan_hash_index)
+			{
+#ifdef	NAT_DEBUG_MSG
+				nat_printf("Invalidate LAN->WAN hash entry %d\n", nat_ip_conntrack->lan2wan_hash_index - 1);
+#endif
+				hash_nat_disable_owner(nat_ip_conntrack->lan2wan_hash_index - 1);
+				hash_invalidate_entry(nat_ip_conntrack->lan2wan_hash_index - 1);
+				nat_ip_conntrack->lan2wan_hash_index = 0;
+			}
+			if 	(nat_ip_conntrack->wan2lan_hash_index)
+			{
+#ifdef	NAT_DEBUG_MSG
+				nat_printf("Invalidate WAN->LAN hash entry %d\n", nat_ip_conntrack->wan2lan_hash_index - 1);
+#endif
+				hash_nat_disable_owner(nat_ip_conntrack->wan2lan_hash_index - 1);
+				hash_invalidate_entry(nat_ip_conntrack->wan2lan_hash_index - 1);
+				nat_ip_conntrack->wan2lan_hash_index = 0;
+			}
+			return 0;
+
+		}
+		else if (nat_cb->state != TCP_CONNTRACK_ESTABLISHED)
+		{
+			return 0;
+		}
+	}
+	if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN | TCP_FLAG_FIN | TCP_FLAG_RST)))
+	// if (proto == IPPROTO_TCP &&  (tcp_flag_word(tcp_hdr) & (TCP_FLAG_SYN)))
+		return 0;
+
+	hash_entry = (NAT_HASH_ENTRY_T *)&hash_data;
+	if (port == cfg->wan_port)	// LAN-to-WAN
+	{
+		if (nat_ip_conntrack->lan2wan_hash_index || nat_ip_conntrack->lan2wan_collision)
+			return 0;
+#ifndef _NOT_CHECK_SIP_DIP	// enable it if know and get the wan ip address
+		if (!sl351x_nat_find_ipcfg(sip, port))
+		{
+			printk("LAN->WAN Incorrect Sip %d.%d.%d.%d\n", HIPQUAD(sip));
+			return 0;
+		}
+#endif
+		// Note: unused fields (including rule_id) MUST be zero
+		hash_entry->key.Ethertype 	= 0;
+		hash_entry->key.port_id 	= cfg->lan_port;
+		hash_entry->key.rule_id 	= 0;
+		hash_entry->key.ip_protocol = proto;
+		hash_entry->key.reserved1 	= 0;
+		hash_entry->key.reserved2 	= 0;
+		hash_entry->key.sip 		= ntohl(nat_cb->sip);
+		hash_entry->key.dip 		= ntohl(nat_cb->dip);
+		hash_entry->key.sport 		= nat_cb->sport;
+		hash_entry->key.dport 		= nat_cb->dport;
+
+		hash_index = nat_build_keys(&hash_entry->key);
+
+#ifdef NAT_DEBUG_LAN_HASH_TIMEOUT
+		if (hash_get_nat_owner_flag(hash_index))
+			return 0;
+#endif
+		if (hash_get_valid_flag(hash_index))
+		{
+			nat_ip_conntrack->lan2wan_collision = 1;
+			nat_collision++;
+#if 0
+			if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_FIN | TCP_FLAG_RST)))
+			{
+				if (memcmp((void *)&hash_entry->key, hash_get_entry(hash_index), sizeof(NAT_KEY_T)) == 0)
+				{
+   					hash_nat_disable_owner(hash_index);
+ 					hash_invalidate_entry(hash_index); // Must last one, else HW Tx fast SW
+ 					// nat_printf("Invalidate nat hash entry %d\n", hash_index);
+ 				}
+			}
+#endif
+			return 0;
+		}
+
+		// write hash entry
+		hash_entry->key.rule_id = cfg->tcp_udp_rule_id;
+		memcpy(hash_entry->param.da, skb->data, 6);
+		memcpy(hash_entry->param.sa, skb->data+6, 6);
+		hash_entry->param.Sip = sip;
+		hash_entry->param.Dip = dip;
+		hash_entry->param.Sport = sport;
+		hash_entry->param.Dport = dport;
+		hash_entry->param.vlan = 0;
+		hash_entry->param.sw_id = 0;
+		hash_entry->param.mtu = 0;
+		// check PPPoE
+		pppoe_hdr = (struct pppoe_hdr *)(ether_hdr + 1);
+		ppp_proto = *(u16 *)&pppoe_hdr->tag[0];
+		if (ether_hdr->h_proto == __constant_htons(ETH_P_PPP_SES)	// 0x8864
+			&& ppp_proto == __constant_htons(PPP_IP) )				// 0x21
+		{
+			hash_entry->action.dword = NAT_PPPOE_LAN2WAN_ACTIONS;
+			hash_entry->param.pppoe = htons(pppoe_hdr->sid);
+		}
+		else
+		{
+			hash_entry->action.dword = NAT_LAN2WAN_ACTIONS;
+			hash_entry->param.pppoe = 0;
+		}
+		hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(proto, sip, dip, sport, dport);
+		hash_entry->action.bits.dest_qid +=	(cfg->wan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;
+		hash_entry->tmo.counter = hash_entry->tmo.interval =
+						(proto == IPPROTO_TCP) ? cfg->tcp_tmo_interval : cfg->udp_tmo_interval;
+		nat_write_hash_entry(hash_index, hash_entry);
+		// nat_printf("%lu Validate a LAN hash entry %d\n", jiffies/HZ, hash_index);
+		// hash_dump_entry(hash_index);
+		hash_nat_enable_owner(hash_index);
+		hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW
+ 		nat_ip_conntrack->lan2wan_hash_index = hash_index + 1;
+ 		nat_ip_conntrack->hw_nat |= 1;
+		return 0;
+	}
+	else // WAN-to-LAN
+	{
+		if (nat_ip_conntrack->wan2lan_hash_index || nat_ip_conntrack->wan2lan_collision)
+			return 0;
+
+		// Note: unused fields (including rule_id) MUST be zero
+		hash_entry->key.Ethertype 	= 0;
+		hash_entry->key.port_id 	= cfg->wan_port;
+		hash_entry->key.rule_id 	= 0;
+		hash_entry->key.ip_protocol = proto;
+		hash_entry->key.reserved1 	= 0;
+		hash_entry->key.reserved2 	= 0;
+		hash_entry->key.sip 		= ntohl(nat_cb->sip);
+		hash_entry->key.dip 		= ntohl(nat_cb->dip);
+		hash_entry->key.sport 		= nat_cb->sport;
+		hash_entry->key.dport 		= nat_cb->dport;
+
+		hash_index = nat_build_keys(&hash_entry->key);
+
+#ifdef NAT_DEBUG_WAN_HASH_TIMEOUT
+		if (hash_get_nat_owner_flag(hash_index))
+			return 0;
+#endif
+		if (hash_get_valid_flag(hash_index))
+		{
+			nat_ip_conntrack->wan2lan_collision = 1;
+			nat_collision++;
+#if 0
+			if (proto == IPPROTO_TCP && (tcp_flag_word(tcp_hdr) & (TCP_FLAG_FIN | TCP_FLAG_RST)))
+			{
+				if (memcmp((void *)&hash_entry->key, hash_get_entry(hash_index), sizeof(NAT_KEY_T)) == 0)
+				{
+   					hash_nat_disable_owner(hash_index);
+ 					hash_invalidate_entry(hash_index); // Must last one, else HW Tx fast SW
+  					// nat_printf("Invalidate nat hash entry %d\n", hash_index);
+				}
+			}
+#endif
+			return 0;
+		}
+
+		// write hash entry
+		hash_entry->key.rule_id = cfg->tcp_udp_rule_id;
+		memcpy(hash_entry->param.da, skb->data, 6);
+		memcpy(hash_entry->param.sa, skb->data+6, 6);
+		hash_entry->param.Sip = sip;
+		hash_entry->param.Dip = dip;
+		hash_entry->param.Sport = sport;
+		hash_entry->param.Dport = dport;
+		hash_entry->param.vlan = 0;
+		hash_entry->param.pppoe = 0;
+		hash_entry->param.sw_id = 0;
+		hash_entry->param.mtu = 0;
+		hash_entry->action.dword = (nat_cb->pppoe_frame) ? NAT_PPPOE_WAN2LAN_ACTIONS : NAT_WAN2LAN_ACTIONS;
+		hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(proto, sip, dip, sport, dport);
+		hash_entry->action.bits.dest_qid += (cfg->lan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;;
+		hash_entry->tmo.counter = hash_entry->tmo.interval =
+						(proto == IPPROTO_TCP) ? cfg->tcp_tmo_interval : cfg->udp_tmo_interval;
+		nat_write_hash_entry(hash_index, hash_entry);
+
+		// nat_printf("%lu Validate a WAN hash entry %d\n", jiffies/HZ, hash_index);
+		// hash_dump_entry(hash_index);
+   		hash_nat_enable_owner(hash_index);
+ 		hash_validate_entry(hash_index); // Must last one, else HW Tx fast SW
+ 		nat_ip_conntrack->wan2lan_hash_index = hash_index + 1;
+ 		nat_ip_conntrack->hw_nat |= 2;
+		return 0;
+	}
+	return 0;
+}
+
+/*----------------------------------------------------------------------
+* sl351x_nat_gre_output
+*	Handle NAT GRE output frames
+*----------------------------------------------------------------------*/
+int sl351x_nat_gre_output(struct sk_buff *skb, int port)
+{
+	u32					sip, dip;
+	struct ethhdr		*ether_hdr;
+	struct iphdr		*ip_hdr;
+	struct pppoe_hdr	*pppoe_hdr;
+	GRE_PKTHDR_T		*gre_hdr;
+	NAT_CB_T			*nat_cb;
+	NAT_CFG_T			*cfg;
+	u16					ppp_proto;
+	u32					hash_data[HASH_MAX_DWORDS];
+	GRE_HASH_ENTRY_T	*hash_entry;
+	int					hash_index;
+	struct ip_conntrack *nat_ip_conntrack;
+	enum ip_conntrack_info ctinfo;
+
+	nat_cb = NAT_SKB_CB(skb);
+	cfg = (NAT_CFG_T *)&nat_cfg;
+
+	ether_hdr = (struct ethhdr *)skb->data;
+	ip_hdr = (struct iphdr *)skb->h.ipiph;
+	gre_hdr = (GRE_PKTHDR_T *)((u32)ip_hdr + (ip_hdr->ihl<<2));
+	sip = ntohl(ip_hdr->saddr);
+	dip = ntohl(ip_hdr->daddr);
+
+#ifdef	NAT_DEBUG_MSG
+	{
+		nat_printf("To   GMAC-%d: 0x%-4X GRE %d.%d.%d.%d [%d] --> %d.%d.%d.%d",
+				port, ntohs(ip_hdr->id),
+				NIPQUAD(ip_hdr->saddr), ntohs(gre_hdr->call_id),
+				NIPQUAD(ip_hdr->daddr));
+		nat_printf("\n");
+	}
+#endif
+	nat_ip_conntrack = ip_conntrack_get(skb, &ctinfo);
+	if (nat_ip_conntrack)
+	{
+		// if (nat_ip_conntrack->master || nat_ip_conntrack->helper)
+		if (nat_ip_conntrack->helper)
+		{
+			nat_printf("GRE Call-ID=%d, master=0x%x, helper=0x%x\n", ntohs(gre_hdr->call_id), (u32)nat_ip_conntrack->master, (u32)nat_ip_conntrack->helper);
+			return 0;
+		}
+		if (!(nat_ip_conntrack->status & IPS_ASSURED))
+			return 0;
+	}
+
+	hash_entry = (GRE_HASH_ENTRY_T *)&hash_data;
+	if (port == cfg->wan_port)	// LAN-to-WAN
+	{
+#ifdef _NOT_CHECK_SIP_DIP	// enable it if know and get the wan ip address
+		if (!sl351x_nat_find_ipcfg(sip, port))
+		{
+			printk("LAN->WAN Incorrect Sip %d.%d.%d.%d\n", HIPQUAD(sip));
+			return 0;
+		}
+#endif
+		// Note: unused fields (including rule_id) MUST be zero
+		hash_entry->key.Ethertype 	= 0;
+		hash_entry->key.port_id 	= cfg->lan_port;
+		hash_entry->key.rule_id 	= 0;
+		hash_entry->key.ip_protocol = IPPROTO_GRE;
+		hash_entry->key.reserved1 	= 0;
+		hash_entry->key.reserved2 	= 0;
+		hash_entry->key.reserved3 	= 0;
+		hash_entry->key.reserved4 	= 0;
+		hash_entry->key.sip 		= ntohl(nat_cb->sip);
+		hash_entry->key.dip 		= ntohl(nat_cb->dip);
+		hash_entry->key.protocol	= nat_cb->sport;
+		hash_entry->key.call_id 	= nat_cb->dport;
+
+		hash_index = gre_build_keys(&hash_entry->key);
+
+#ifdef NAT_DEBUG_LAN_HASH_TIMEOUT
+		if (hash_get_nat_owner_flag(hash_index))
+			return 0;
+#endif
+		if (hash_get_valid_flag(hash_index))
+		{
+			return 0;
+		}
+
+		// write hash entry
+		hash_entry->key.rule_id = cfg->gre_rule_id;
+		memcpy(hash_entry->param.da, skb->data, 6);
+		memcpy(hash_entry->param.sa, skb->data+6, 6);
+		hash_entry->param.Sip = sip;
+		hash_entry->param.Dip = dip;
+		hash_entry->param.Sport = 0;
+		hash_entry->param.Dport = ntohs(gre_hdr->call_id);
+		hash_entry->param.vlan = 0;
+		hash_entry->param.sw_id = 0;
+		hash_entry->param.mtu = 0;
+		// check PPPoE
+		pppoe_hdr = (struct pppoe_hdr *)(ether_hdr + 1);
+		ppp_proto = *(u16 *)&pppoe_hdr->tag[0];
+		if (ether_hdr->h_proto == __constant_htons(ETH_P_PPP_SES)	// 0x8864
+			&& ppp_proto == __constant_htons(PPP_IP) )				// 0x21
+		{
+			hash_entry->action.dword = NAT_PPPOE_PPTP_LAN2WAN_ACTIONS;
+			hash_entry->param.pppoe = htons(pppoe_hdr->sid);
+		}
+		else
+		{
+			hash_entry->action.dword = NAT_PPTP_LAN2WAN_ACTIONS;
+			hash_entry->param.pppoe = 0;
+		}
+		hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(IPPROTO_GRE, sip, dip, 0, ntohs(gre_hdr->call_id));
+		hash_entry->action.bits.dest_qid +=	(cfg->wan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;
+		hash_entry->tmo.counter = hash_entry->tmo.interval = cfg->gre_tmo_interval;
+		gre_write_hash_entry(hash_index, hash_entry);
+		// nat_printf("%lu Validate a LAN hash entry %d\n", jiffies/HZ, hash_index);
+		// hash_dump_entry(hash_index);
+		hash_nat_enable_owner(hash_index);
+		hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW
+		return 0;
+	}
+	else // WAN-to-LAN
+	{
+		// Note: unused fields (including rule_id) MUST be zero
+		hash_entry->key.Ethertype 	= 0;
+		hash_entry->key.port_id 	= cfg->wan_port;
+		hash_entry->key.rule_id 	= 0;
+		hash_entry->key.ip_protocol = IPPROTO_GRE;
+		hash_entry->key.reserved1 	= 0;
+		hash_entry->key.reserved2 	= 0;
+		hash_entry->key.reserved3 	= 0;
+		hash_entry->key.reserved4 	= 0;
+		hash_entry->key.sip 		= ntohl(nat_cb->sip);
+		hash_entry->key.dip 		= ntohl(nat_cb->dip);
+		hash_entry->key.protocol	= nat_cb->sport;
+		hash_entry->key.call_id		= nat_cb->dport;
+
+		hash_index = gre_build_keys(&hash_entry->key);
+
+#ifdef NAT_DEBUG_WAN_HASH_TIMEOUT
+		if (hash_get_nat_owner_flag(hash_index))
+			return 0;
+#endif
+		if (hash_get_valid_flag(hash_index))
+		{
+			return 0;
+		}
+
+		// write hash entry
+		hash_entry->key.rule_id = cfg->gre_rule_id;
+		memcpy(hash_entry->param.da, skb->data, 6);
+		memcpy(hash_entry->param.sa, skb->data+6, 6);
+		hash_entry->param.Sip = sip;
+		hash_entry->param.Dip = dip;
+		hash_entry->param.Sport = 0;
+		hash_entry->param.Dport = ntohs(gre_hdr->call_id);
+		hash_entry->param.vlan = 0;
+		hash_entry->param.pppoe = 0;
+		hash_entry->param.sw_id = 0;
+		hash_entry->param.mtu = 0;
+		hash_entry->action.dword = (nat_cb->pppoe_frame) ? NAT_PPPOE_PPTP_WAN2LAN_ACTIONS : NAT_PPTP_WAN2LAN_ACTIONS;
+		hash_entry->action.bits.dest_qid = sl351x_nat_assign_qid(IPPROTO_GRE, sip, dip, 0, ntohs(gre_hdr->call_id));
+		hash_entry->action.bits.dest_qid += (cfg->lan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;;
+		hash_entry->tmo.counter = hash_entry->tmo.interval = cfg->gre_tmo_interval;
+		gre_write_hash_entry(hash_index, hash_entry);
+
+		// nat_printf("%lu Validate a WAN hash entry %d\n", jiffies/HZ, hash_index);
+		// hash_dump_entry(hash_index);
+   		hash_nat_enable_owner(hash_index);
+ 		hash_validate_entry(hash_index); // Must last one, else HW Tx fast SW
+		return 0;
+	}
+	return 0;
+}
+
+
+#ifdef _HAVE_DYNAMIC_PORT_LIST
+/*----------------------------------------------------------------------
+* sl_nat_add_port
+*----------------------------------------------------------------------*/
+void sl_nat_add_port(u8 protocol, u16 port)
+{
+	int 	i;
+	u16		*port_ptr;
+
+	if (protocol == IPPROTO_TCP)
+		port_ptr = dynamic_tcp_port_list;
+	else if (protocol == IPPROTO_UDP)
+		port_ptr = dynamic_udp_port_list;
+	else
+		return;
+
+	for (i=0; *port_ptr; i++)
+	{
+		if (port == *port_ptr)
+			return;
+		port_ptr++;
+	}
+	port_ptr++;
+	*port_ptr = port;
+}
+
+/*----------------------------------------------------------------------
+* sl_nat_remove_port
+*----------------------------------------------------------------------*/
+void sl_nat_remove_port(u8 protocol, u16 port)
+{
+	int 	i, j;
+	u16		*port_ptr, *next;
+
+	if (protocol == IPPROTO_TCP)
+		port_ptr = dynamic_tcp_port_list;
+	else if (protocol == IPPROTO_UDP)
+		port_ptr = dynamic_udp_port_list;
+	else
+		return;
+
+	for (i=0; *port_ptr; i++, port_ptr++)
+	{
+		if (port == *port_ptr)
+		{
+			port_next = port_ptr + 1;
+			for (j=i+1; *port_next; i++, j++)
+				*port_ptr++ = *port_next++;
+			*port_ptr = 0;
+			return;
+		}
+	}
+}
+#endif
+
+/*----------------------------------------------------------------------
+* sl351x_nat_ioctl
+*----------------------------------------------------------------------*/
+int sl351x_nat_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+	GMAC_INFO_T 		*tp = (GMAC_INFO_T *)dev->priv;
+	int 				i, j, port_id;
+    NATCMD_HDR_T		nat_hdr;
+    NAT_REQ_E			ctrl;
+	unsigned char		*req_datap;
+	NAT_IP_ENTRY_T		*ipcfg;
+	NAT_XPORT_ENTRY_T	*xport_entry;
+	NAT_WRULE_ENTRY_T	*wrule_entry;
+	unsigned int		qid;
+
+	if (copy_from_user((void *)&nat_hdr, rq->ifr_data, sizeof(nat_hdr)))
+		return -EFAULT;
+	req_datap = (unsigned char *)rq->ifr_data + sizeof(nat_hdr);
+	port_id = tp->port_id;
+	switch (nat_hdr.cmd) {
+	case NATSSTATUS:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_STATUS_T))
+			return -EPERM;
+		if (copy_from_user((void *)&ctrl.status, req_datap, sizeof(ctrl.status)))
+			return -EFAULT;
+		if (ctrl.status.enable != 0 && ctrl.status.enable != 1)
+			return -EPERM;
+		// sl351x_nat_set_enabled_flag(ctrl.status.enable);
+		if (nat_cfg.enabled && (ctrl.status.enable == 0))
+		{
+			for (i=0; i<HASH_TOTAL_ENTRIES; i++)
+			{
+				if (hash_get_nat_owner_flag(i))
+				{
+					hash_nat_disable_owner(i);
+					hash_invalidate_entry(i);
+				}
+			}
+		}
+		nat_cfg.enabled = ctrl.status.enable;
+		break;
+	case NATGSTATUS:
+		if (nat_hdr.len != sizeof(NAT_STATUS_T))
+			return -EPERM;
+		ctrl.status.enable = nat_cfg.enabled;
+		if (copy_to_user(req_datap, (void *)&ctrl.status, sizeof(ctrl.status)))
+			return -EFAULT;
+		break;
+	case NATSETPORT:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_PORTCFG_T))
+			return -EPERM;
+		if (copy_from_user((void *)&ctrl.portcfg, req_datap, sizeof(ctrl.portcfg)))
+			return -EFAULT;
+		if (ctrl.portcfg.portmap == 0)
+			nat_cfg.lan_port = port_id;
+		else if (ctrl.portcfg.portmap == 1)
+			nat_cfg.wan_port = port_id;
+		else
+			return -EPERM;
+		break;
+	case NATGETPORT:
+		if (nat_hdr.len != sizeof(NAT_PORTCFG_T))
+			return -EPERM;
+		if (nat_cfg.lan_port == port_id)
+			ctrl.portcfg.portmap = 0;
+		else if (nat_cfg.wan_port == port_id)
+			ctrl.portcfg.portmap = 1;
+		else
+			return -EPERM;
+		if (copy_to_user(req_datap, (void *)&ctrl.portcfg, sizeof(ctrl.portcfg)))
+			return -EFAULT;
+		break;
+	case NATADDIP:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_IPCFG_T))
+			return -EPERM;
+		i = nat_cfg.ipcfg[port_id].total;
+		if (i >= CONFIG_NAT_MAX_IP_NUM)
+			return -E2BIG;
+		if (copy_from_user((void *)&nat_cfg.ipcfg[port_id].entry[i], req_datap, sizeof(NAT_IPCFG_T)))
+			return -EFAULT;
+		nat_cfg.ipcfg[port_id].total++;
+		break;
+	case NATDELIP:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_IPCFG_T))
+			return -EPERM;
+		if (copy_from_user((void *)&ctrl.ipcfg, req_datap, sizeof(ctrl.ipcfg)))
+			return -EFAULT;
+		ipcfg = (NAT_IP_ENTRY_T *)&nat_cfg.ipcfg[port_id].entry[0];
+		for (i=0; i<nat_cfg.ipcfg[port_id].total; i++, ipcfg++)
+		{
+			if (ipcfg->ipaddr == ctrl.ipcfg.entry.ipaddr)
+			{
+				NAT_IP_ENTRY_T *ipcfg_next;
+				ipcfg_next = ipcfg + 1;
+				for (j=i+1; j < nat_cfg.ipcfg[port_id].total; i++, j++)
+				{
+					memcpy((void *)ipcfg, (void *)ipcfg_next, sizeof(NAT_IP_ENTRY_T));
+					ipcfg++;
+					ipcfg_next++;
+				}
+				ipcfg->ipaddr = 0;
+				ipcfg->netmask = 0;
+				nat_cfg.ipcfg[port_id].total--;
+				return 0;
+			}
+		}
+		return -ENOENT;
+	case NATGETIP:
+		if (nat_hdr.len != sizeof(NAT_IPCFG_ALL_T))
+			return -EPERM;
+		if (copy_to_user(req_datap, (void *)&nat_cfg.ipcfg[port_id], sizeof(NAT_IPCFG_ALL_T)))
+			return -EFAULT;
+		break;
+	case NATAXPORT:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_XPORT_T))
+			return -EPERM;
+		i = nat_cfg.xport.total;
+		if (i >= CONFIG_NAT_MAX_XPORT)
+			return -E2BIG;
+		if (copy_from_user((void *)&nat_cfg.xport.entry[i], req_datap, sizeof(NAT_XPORT_T)))
+			return -EFAULT;
+		nat_cfg.xport.total++;
+		break;
+	case NATDXPORT:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_XPORT_T))
+			return -EPERM;
+		if (copy_from_user((void *)&ctrl.xport, req_datap, sizeof(NAT_XPORT_T)))
+			return -EFAULT;
+		xport_entry = (NAT_XPORT_ENTRY_T *)&nat_cfg.xport.entry[0];
+		for (i=0; i<nat_cfg.xport.total; i++, xport_entry++)
+		{
+			if (memcmp((void *)xport_entry, (void *)&ctrl.xport, sizeof(NAT_XPORT_ENTRY_T)) == 0)
+			{
+				NAT_XPORT_ENTRY_T *xport_next;
+				xport_next = xport_entry + 1;
+				for (j=i+1; j < nat_cfg.xport.total; i++, j++)
+				{
+					memcpy((void *)xport_entry, (void *)xport_next, sizeof(NAT_XPORT_ENTRY_T));
+					xport_entry++;
+					xport_next++;
+				}
+				memset((void *)xport_entry, 0, sizeof(NAT_XPORT_ENTRY_T));
+				nat_cfg.xport.total--;
+				return 0;
+			}
+		}
+		return -ENOENT;
+	case NATGXPORT:
+		if (nat_hdr.len != sizeof(NAT_XPORT_ALL_T))
+			return -EPERM;
+		if (copy_to_user(req_datap, (void *)&nat_cfg.xport, sizeof(NAT_XPORT_ALL_T)))
+			return -EFAULT;
+		break;
+	case NATSWEIGHT:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_WEIGHT_T))
+			return -EPERM;
+		if (copy_from_user((void *)&nat_cfg.weight, req_datap, sizeof(NAT_WEIGHT_T)))
+			return -EFAULT;
+		mac_set_hw_tx_weight(dev, (char *)&nat_cfg.weight);
+		break;
+	case NATGWEIGHT:
+		if (nat_hdr.len != sizeof(NAT_WEIGHT_T))
+			return -EPERM;
+		mac_get_hw_tx_weight(dev, (char *)&nat_cfg.weight);
+		if (copy_to_user(req_datap, (void *)&nat_cfg.weight, sizeof(NAT_WEIGHT_T)))
+			return -EFAULT;
+		break;
+	case NATAWRULE:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_WRULE_T))
+			return -EPERM;
+		if (copy_from_user((void *)&qid, req_datap, sizeof(qid)))
+			return -EFAULT;
+		if (qid > CONFIG_NAT_TXQ_NUM)
+			return -EPERM;
+		i = nat_cfg.wrule[qid].total;
+		if (i >= CONFIG_NAT_MAX_WRULE)
+			return -E2BIG;
+		if (copy_from_user((void *)&nat_cfg.wrule[qid].entry[i], req_datap+sizeof(qid), sizeof(NAT_WRULE_T)))
+			return -EFAULT;
+		nat_cfg.wrule[qid].total++;
+		break;
+	case NATDWRULE:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_WRULE_T))
+			return -EPERM;
+		if (copy_from_user((void *)&ctrl.wrule, req_datap, sizeof(NAT_WRULE_T)))
+			return -EFAULT;
+		qid = ctrl.wrule.qid;
+		if (qid >= CONFIG_NAT_TXQ_NUM)
+			return -EPERM;
+		wrule_entry = (NAT_WRULE_ENTRY_T *)&nat_cfg.wrule[qid].entry[0];
+		for (i=0; i<nat_cfg.wrule[qid].total; i++, wrule_entry++)
+		{
+			if (memcmp((void *)wrule_entry, (void *)&ctrl.wrule.entry, sizeof(NAT_WRULE_ENTRY_T)) == 0)
+			{
+				NAT_WRULE_ENTRY_T *wrule_next;
+				wrule_next = wrule_entry + 1;
+				for (j=i+1; j < nat_cfg.wrule[qid].total; i++, j++)
+				{
+					memcpy((void *)wrule_entry, (void *)wrule_next, sizeof(NAT_WRULE_ENTRY_T));
+					wrule_entry++;
+					wrule_next++;
+				}
+				memset((void *)wrule_entry, 0, sizeof(NAT_WRULE_ENTRY_T));
+				nat_cfg.wrule[qid].total--;
+				return 0;
+			}
+		}
+		return -ENOENT;
+	case NATGWRULE:
+		if (nat_hdr.len != sizeof(NAT_WRULE_ALL_T))
+			return -EPERM;
+		if (copy_from_user((void *)&qid, req_datap, sizeof(qid)))
+			return -EFAULT;
+		if (qid >= CONFIG_NAT_TXQ_NUM)
+			return -EPERM;
+		if (copy_to_user(req_datap, (void *)&nat_cfg.wrule[qid], sizeof(NAT_WRULE_ALL_T)))
+			return -EFAULT;
+		break;
+	case NATSDEFQ:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_QUEUE_T))
+			return -EPERM;
+		if (copy_from_user((void *)&nat_cfg.default_hw_txq, req_datap, sizeof(u32)))
+			return -EFAULT;
+		break;
+	case NATGDEFQ:
+		if (nat_hdr.len != sizeof(NAT_QUEUE_T))
+			return -EPERM;
+		if (copy_to_user(req_datap, (void *)&nat_cfg.default_hw_txq, sizeof(u32)))
+			return -EFAULT;
+	case NATRMIPCFG:
+		nat_cfg.ipcfg[port_id].total = 0;
+		break;
+	case NATTESTENTRY:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+		if (nat_hdr.len != sizeof(NAT_TESTENTRY_T))
+			return -EPERM;
+		if (copy_from_user((void *)&ctrl.init_entry, req_datap, sizeof(ctrl.init_entry)))
+			return -EFAULT;
+		if (ctrl.init_entry.init_enable != 0 && ctrl.init_entry.init_enable != 1)
+			return -EPERM;
+		nat_cfg.init_enabled = ctrl.init_entry.init_enable;
+		break;
+
+	default:
+		return -EPERM;
+	}
+
+	return 0;
+}
+
+/*----------------------------------------------------------------------
+* 	nat_init_test_entry
+*	Initialize NAT test hash entries
+*
+*	SmartBits P1  -----> Lepus GMAC 0 --------------+
+*													|
+*													|
+*             P3  <----- Lepus GMAC 1 -- HW TxQ0 <--+
+*									  -- HW TxQ1 <--+
+*									  -- HW TxQ2 <--+
+*									  -- HW TxQ3 <--+
+*
+*	SmartBits P1  <----- Lepus GMAC 0 -- HW TxQ0 <--+
+*									  -- HW TxQ1 <--+
+*                                     -- HW TxQ2 <--+
+*									  -- HW TxQ3 <--+
+*													|
+*													|
+*             P3  -----> Lepus GMAC 1 --------------+
+*
+*   LAN GMAC0 <--------------------------------------------> GMAC1 WAN
+*	192.168.[x].[y]:50 --> 168.95.[x].[y]:80 ---TXQ[y-1]---> 192.168.2.254:200[y] --> 168.95.[x].[y]:80
+*	192.168.[x].[y]:50 <-- 168.95.[x].[y]:80 <--TXQ[y-1]---- 192.168.2.254:200[y] <-- 168.95.[x].[y]:80
+*   where:
+*		[x] : Packet Type
+*		[y] : Tx Queue, 1 for TxQ0, 2 for TxQ1, 3 for TxQ2, 4 for TxQ3,
+*
+*
+* Packet Type:
+* 1. TCP Frames <---> TCP Frames
+*   LAN GMAC0 <--------------------------------> GMAC1 WAN
+*	192.168.1.1:50 --> 168.95.1.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.1.1:80
+*	192.168.1.1:50 <-- 168.95.1.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.1.1:80
+*
+*	192.168.1.2:50 --> 168.95.1.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.1.2:80
+*	192.168.1.2:50 <-- 168.95.1.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.1.2:80
+*
+*	192.168.1.3:50 --> 168.95.1.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.1.3:80
+*	192.168.1.3:50 <-- 168.95.1.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.1.3:80
+*
+*	192.168.1.4:50 --> 168.95.1.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.1.4:80
+*	192.168.1.4:50 <-- 168.95.1.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.1.4:80
+*
+* 2 TCP Frames <----> PPPoE + TCP Frames
+*   LAN GMAC0 <--------------------------------> GMAC1 WAN
+*	192.168.2.1:50 --> 168.95.2.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.2.1:80
+*	192.168.2.1:50 <-- 168.95.2.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.2.1:80
+*
+*	192.168.2.2:50 --> 168.95.2.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.2.2:80
+*	192.168.2.2:50 <-- 168.95.2.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.2.2:80
+*
+*	192.168.2.3:50 --> 168.95.2.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.2.3:80
+*	192.168.2.3:50 <-- 168.95.2.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.2.3:80
+*
+*	192.168.2.4:50 --> 168.95.2.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.2.4:80
+*	192.168.2.4:50 <-- 168.95.2.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.2.4:80
+*
+* 3 TCP Frames <----> VLAN + PPPoE + TCP Frames
+*   LAN GMAC0 <--------------------------------> GMAC1 WAN
+*	192.168.3.1:50 --> 168.95.3.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.3.1:80
+*	192.168.3.1:50 <-- 168.95.3.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.3.1:80
+*
+*	192.168.3.2:50 --> 168.95.3.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.3.2:80
+*	192.168.3.2:50 <-- 168.95.3.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.3.2:80
+*
+*	192.168.3.3:50 --> 168.95.3.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.3.3:80
+*	192.168.3.3:50 <-- 168.95.3.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.3.3:80
+*
+*	192.168.3.4:50 --> 168.95.3.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.3.4:80
+*	192.168.3.4:50 <-- 168.95.3.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.3.4:80
+*
+* 4 VLAN-A + TCP Frames <----> VLAN-B + PPPoE + TCP Frames
+*   LAN GMAC0 <--------------------------------> GMAC1 WAN
+*	192.168.4.1:50 --> 168.95.4.1:80 ---TXQ0---> 192.168.2.254:2001 --> 168.95.4.1:80
+*	192.168.4.1:50 <-- 168.95.4.1:80 <--TXQ0---- 192.168.2.254:2001 <-- 168.95.4.1:80
+*
+*	192.168.4.2:50 --> 168.95.4.2:80 ---TXQ1---> 192.168.2.254:2002 --> 168.95.4.2:80
+*	192.168.4.2:50 <-- 168.95.4.2:80 <--TXQ1---- 192.168.2.254:2002 <-- 168.95.4.2:80
+*
+*	192.168.4.3:50 --> 168.95.4.3:80 ---TXQ2---> 192.168.2.254:2003 --> 168.95.4.3:80
+*	192.168.4.3:50 <-- 168.95.4.3:80 <--TXQ2---- 192.168.2.254:2003 <-- 168.95.4.3:80
+*
+*	192.168.4.4:50 --> 168.95.4.4:80 ---TXQ3---> 192.168.2.254:2004 --> 168.95.4.4:80
+*	192.168.4.4:50 <-- 168.95.4.4:80 <--TXQ3---- 192.168.2.254:2004 <-- 168.95.4.4:80
+*
+*
+*
+*----------------------------------------------------------------------*/
+#ifdef SL351x_NAT_TEST_BY_SMARTBITS
+#define 	NAT_IPIV(a,b,c,d)			((a<<24)+(b<<16)+(c<<8)+d)
+#define     NAT_TEST_CLIENT_IP 			NAT_IPIV(192,168,1,1)
+#define     NAT_TEST_SERVER_IP 			NAT_IPIV(168,95,1,1)
+#define		NAT_TEST_LAN_IP				NAT_IPIV(192,168,1,254)
+#define		NAT_TEST_WAN_IP				NAT_IPIV(192,168,2,254)
+#define     NAT_TEST_MAP_PORT_BASE		2001
+#define     NAT_TEST_SPORT				50
+#define     NAT_TEST_DPORT				80
+#define     NAT_TEST_PROTOCOL			6
+u8			nat_test_lan_target_da[6]={0x00,0x11,0x22,0x33,0x44,0x55};
+u8			nat_test_wan_target_da[6]={0x00,0xaa,0xbb,0xcc,0xdd,0xee};
+u8			nat_test_lan_my_da[6]={0x00,0x11,0x11,0x11,0x11,0x11};
+u8			nat_test_wan_my_da[6]={0x00,0x22,0x22,0x22,0x22,0x22};
+static void nat_init_test_entry(void)
+{
+	int 				i, j ;
+	NAT_HASH_ENTRY_T	*hash_entry;
+	u32					sip, dip;
+	u32					hash_data[HASH_MAX_DWORDS];
+	NAT_CFG_T			*cfg;
+	int					hash_index;
+
+	cfg = (NAT_CFG_T *)&nat_cfg;
+	hash_entry = (NAT_HASH_ENTRY_T *)&hash_data;
+	hash_entry->key.Ethertype 	= 0;
+	hash_entry->key.rule_id 	= 0;
+	hash_entry->key.ip_protocol = IPPROTO_TCP;
+	hash_entry->key.reserved1 	= 0;
+	hash_entry->key.reserved2 	= 0;
+	// hash_entry->key.sip 		= NAT_TEST_CLIENT_IP;
+	// hash_entry->key.dip 		= NAT_TEST_SERVER_IP;
+	hash_entry->key.sport 		= htons(NAT_TEST_SPORT);
+	hash_entry->key.dport 		= htons(NAT_TEST_DPORT);
+	hash_entry->key.rule_id = cfg->tcp_udp_rule_id;
+	hash_entry->action.dword = NAT_LAN2WAN_ACTIONS;
+
+	sip = NAT_TEST_CLIENT_IP;
+	dip = NAT_TEST_SERVER_IP;
+
+	// Init TCP <------> TCP hash entries
+	// LAN --> WAN
+	// (1) TCP --> TCP
+	// (2) TCP --> PPPoE + TCP
+	// (3) TCP --> VLAN-B + PPPoE + TCP
+	// (4) TCP + VLAN-A --> VLAN-B + PPPoE + TCP
+	memcpy(hash_entry->param.da, nat_test_wan_target_da, 6);
+	memcpy(hash_entry->param.sa, nat_test_wan_my_da, 6);
+	hash_entry->key.port_id = cfg->lan_port;
+	for (i=0; i<TOE_HW_TXQ_NUM; i++)
+	{
+		if (i < 2)
+		{
+			hash_entry->action.bits.dest_qid = i+2;
+		}
+		else
+		{
+			hash_entry->action.bits.dest_qid = i;
+		}
+		hash_entry->action.bits.dest_qid += (cfg->wan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;
+		hash_entry->param.Sport = NAT_TEST_MAP_PORT_BASE+i;
+		hash_entry->param.Dport = NAT_TEST_DPORT;
+		for (j=0; j<4; j++)
+		{
+			hash_entry->key.sip = sip + i + j*0x100;
+			hash_entry->key.dip = dip + i + j*0x100;
+			hash_entry->param.Dip = hash_entry->key.dip;
+			hash_entry->param.Sip = NAT_TEST_WAN_IP;
+			switch (j)
+			{
+			case 0:
+				hash_entry->action.bits.pppoe = 0;
+				hash_entry->param.pppoe = 0;
+				hash_entry->action.bits.vlan = 0;
+				hash_entry->param.vlan = 0;
+				break;
+			case 1:
+				hash_entry->action.bits.pppoe = 1;
+				hash_entry->param.pppoe = i+1;
+				hash_entry->action.bits.vlan = 0;
+				hash_entry->param.vlan = 0;
+				break;
+			case 2:
+				hash_entry->action.bits.pppoe = 1;
+				hash_entry->param.pppoe = i+1;
+				hash_entry->action.bits.vlan = 1;
+				hash_entry->param.vlan = i+10;
+				break;
+			case 3:
+				hash_entry->action.bits.pppoe = 1;
+				hash_entry->param.pppoe = i+1;
+				hash_entry->action.bits.vlan = 1;
+				hash_entry->param.vlan = i+10;
+				break;
+			}
+			hash_entry->tmo.counter = hash_entry->tmo.interval = 0x7fff;
+			hash_index = nat_build_keys(&hash_entry->key);
+			nat_write_hash_entry(hash_index, hash_entry);
+			hash_nat_enable_owner(hash_index);
+			hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW
+		}
+	}
+
+
+	// WAN --> LAN
+	hash_entry->key.port_id 	= cfg->wan_port;
+	hash_entry->key.sport 		= htons(NAT_TEST_DPORT);
+	hash_entry->key.dport 		= htons(NAT_TEST_DPORT);
+	hash_entry->key.rule_id		= cfg->tcp_udp_rule_id;
+	hash_entry->action.dword	= NAT_WAN2LAN_ACTIONS;
+	hash_entry->key.sport		= htons(NAT_TEST_DPORT);
+	memcpy(hash_entry->param.da, nat_test_lan_target_da, 6);
+	memcpy(hash_entry->param.sa, nat_test_lan_my_da, 6);
+	for (i=0; i<TOE_HW_TXQ_NUM; i++)
+	{
+		hash_entry->key.dport = htons(NAT_TEST_MAP_PORT_BASE + i);
+		if (i < 2)
+		{
+			hash_entry->action.bits.dest_qid = i+2;
+		}
+		else
+		{
+			hash_entry->action.bits.dest_qid = i;
+		}
+		hash_entry->action.bits.dest_qid += (cfg->lan_port==0) ? TOE_GMAC0_HW_TXQ0_QID : TOE_GMAC1_HW_TXQ0_QID;
+		hash_entry->param.Dport = NAT_TEST_SPORT;
+		hash_entry->param.Sport = NAT_TEST_DPORT;
+		hash_entry->param.da[5] = i;
+		for (j=0; j<4; j++)
+		{
+			hash_entry->key.sip = (dip + i + j*0x100);
+			hash_entry->key.dip = (NAT_TEST_WAN_IP);
+			hash_entry->param.Sip = hash_entry->key.sip;
+			hash_entry->param.Dip = sip + i + j*0x100;
+			switch (j)
+			{
+			case 0:
+				hash_entry->action.bits.pppoe = 0;
+				hash_entry->param.pppoe = 0;
+				hash_entry->action.bits.vlan = 0;
+				hash_entry->param.vlan = 0;
+				break;
+			case 1:
+				hash_entry->action.bits.pppoe = 2;
+				hash_entry->param.pppoe = i+1;
+				hash_entry->action.bits.vlan = 0;
+				hash_entry->param.vlan = 0;
+				break;
+			case 2:
+				hash_entry->action.bits.pppoe = 2;
+				hash_entry->param.pppoe = i+1;
+				hash_entry->action.bits.vlan = 2;
+				hash_entry->param.vlan = i+5;
+				break;
+			case 3:
+				hash_entry->action.bits.pppoe = 1;
+				hash_entry->param.pppoe = i+1;
+				hash_entry->action.bits.vlan = 1;
+				hash_entry->param.vlan = i+5;
+				break;
+			}
+			hash_entry->tmo.counter = hash_entry->tmo.interval = 0x7fff;
+			hash_index = nat_build_keys(&hash_entry->key);
+			nat_write_hash_entry(hash_index, hash_entry);
+			hash_nat_enable_owner(hash_index);
+			hash_validate_entry(hash_index); // Must last one, else HW Tx fast than SW
+		}
+	}
+}
+#endif	// SL351x_NAT_TEST_BY_SMARTBITS
+
+#endif // CONFIG_SL351x_NAT
+
--- /dev/null
+++ b/drivers/net/sl351x_proc.c
@@ -0,0 +1,578 @@
+/****************************************************************************
+* Copyright 2006 Storlink Corp.  All rights reserved.
+*----------------------------------------------------------------------------
+* Name			: sl351x_proc.c
+* Description	:
+*		Handle Proc Routines for Storlink SL351x Platform
+*
+* History
+*
+*	Date		Writer		Description
+*----------------------------------------------------------------------------
+*	04/13/2006	Gary Chen	Create and implement
+*
+*
+****************************************************************************/
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/delay.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/completion.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/semaphore.h>
+#include <asm/arch/irqs.h>
+#include <asm/arch/it8712.h>
+#include <linux/mtd/kvctl.h>
+#include <linux/skbuff.h>
+#include <linux/if_ether.h>
+#include <linux/if_pppox.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/ppp_defs.h>
+#ifdef CONFIG_NETFILTER
+// #include <linux/netfilter_ipv4/ip_conntrack.h>
+#endif
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/percpu.h>
+#ifdef CONFIG_SYSCTL
+#include <linux/sysctl.h>
+#endif
+
+#define	 MIDWAY
+#define	 SL_LEPUS
+
+// #define PROC_DEBUG_MSG	1
+
+#include <asm/arch/sl2312.h>
+#include <asm/arch/sl351x_gmac.h>
+#include <asm/arch/sl351x_hash_cfg.h>
+#include <asm/arch/sl351x_nat_cfg.h>
+#include <asm/arch/sl351x_toe.h>
+
+#ifdef CONFIG_PROC_FS
+/*----------------------------------------------------------------------
+* Definition
+*----------------------------------------------------------------------*/
+#define	proc_printf					printk
+#define SL351x_GMAC_PROC_NAME		"sl351x_gmac"
+#define SL351x_NAT_PROC_NAME		"sl351x_nat"
+#define SL351x_TOE_PROC_NAME		"sl351x_toe"
+
+/*----------------------------------------------------------------------
+* Function Definition
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_NAT
+static int nat_ct_open(struct inode *inode, struct file *file);
+static void *nat_ct_seq_start(struct seq_file *s, loff_t *pos);
+static void nat_ct_seq_stop(struct seq_file *s, void *v);
+static void *nat_ct_seq_next(struct seq_file *s, void *v, loff_t *pos);
+static int nat_ct_seq_show(struct seq_file *s, void *v);
+#endif
+
+#ifdef CONFIG_SL351x_RXTOE
+static int toe_ct_open(struct inode *inode, struct file *file);
+static void *toe_ct_seq_start(struct seq_file *s, loff_t *pos);
+static void toe_ct_seq_stop(struct seq_file *s, void *v);
+static void *toe_ct_seq_next(struct seq_file *s, void *v, loff_t *pos);
+static int toe_ct_seq_show(struct seq_file *s, void *v);
+extern int sl351x_get_toe_conn_flag(int index);
+extern struct toe_conn * sl351x_get_toe_conn_info(int index);
+#endif
+
+static int gmac_ct_open(struct inode *inode, struct file *file);
+static void *gmac_ct_seq_start(struct seq_file *s, loff_t *pos);
+static void gmac_ct_seq_stop(struct seq_file *s, void *v);
+static void *gmac_ct_seq_next(struct seq_file *s, void *v, loff_t *pos);
+static int gmac_ct_seq_show(struct seq_file *s, void *v);
+
+
+/*----------------------------------------------------------------------
+* Data
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SYSCTL
+// static struct ctl_table_header *nat_ct_sysctl_header;
+#endif
+
+#ifdef CONFIG_SL351x_NAT
+static struct seq_operations nat_ct_seq_ops = {
+	.start = nat_ct_seq_start,
+	.next  = nat_ct_seq_next,
+	.stop  = nat_ct_seq_stop,
+	.show  = nat_ct_seq_show
+};
+
+static struct file_operations nat_file_ops= {
+	.owner   = THIS_MODULE,
+	.open    = nat_ct_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = seq_release
+};
+#endif // CONFIG_SL351x_NAT
+
+#ifdef CONFIG_SL351x_RXTOE
+static struct seq_operations toe_ct_seq_ops = {
+	.start = toe_ct_seq_start,
+	.next  = toe_ct_seq_next,
+	.stop  = toe_ct_seq_stop,
+	.show  = toe_ct_seq_show
+};
+
+static struct file_operations toe_file_ops= {
+	.owner   = THIS_MODULE,
+	.open    = toe_ct_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = seq_release
+};
+#endif
+
+static struct seq_operations gmac_ct_seq_ops = {
+	.start = gmac_ct_seq_start,
+	.next  = gmac_ct_seq_next,
+	.stop  = gmac_ct_seq_stop,
+	.show  = gmac_ct_seq_show
+};
+
+static struct file_operations gmac_file_ops= {
+	.owner   = THIS_MODULE,
+	.open    = gmac_ct_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = seq_release
+};
+
+#ifdef SL351x_GMAC_WORKAROUND
+extern u32 gmac_workaround_cnt[4];
+extern u32 gmac_short_frame_workaround_cnt[2];
+#ifdef CONFIG_SL351x_NAT
+	extern u32 sl351x_nat_workaround_cnt;
+#endif
+#endif
+/*----------------------------------------------------------------------
+* nat_ct_open
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_NAT
+static int nat_ct_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &nat_ct_seq_ops);
+}
+#endif // CONFIG_SL351x_NAT
+/*----------------------------------------------------------------------
+* nat_ct_seq_start
+* find the first
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_NAT
+static void *nat_ct_seq_start(struct seq_file *s, loff_t *pos)
+{
+	int i;
+
+	// proc_printf("%s: *pos=%d\n", __func__, (int)*pos);
+	for (i=*pos; i<HASH_TOTAL_ENTRIES; i++)
+	{
+		if (hash_get_nat_owner_flag(i))
+		{
+			*pos = i;
+			return (void *)(i+1);
+		}
+	}
+	return NULL;
+}
+#endif // CONFIG_SL351x_NAT
+/*----------------------------------------------------------------------
+* nat_ct_seq_stop
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_NAT
+static void nat_ct_seq_stop(struct seq_file *s, void *v)
+{
+}
+#endif // CONFIG_SL351x_NAT
+/*----------------------------------------------------------------------
+* nat_ct_seq_next
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_NAT
+static void *nat_ct_seq_next(struct seq_file *s, void *v, loff_t *pos)
+{
+	int i;
+
+	// proc_printf("%s: *pos=%d\n", __func__, (int)*pos);
+	(*pos)++;
+	for (i=*pos; i<HASH_TOTAL_ENTRIES; i++)
+	{
+		if (hash_get_nat_owner_flag(i))
+		{
+			*pos = i;
+			return (void *)(i+1);
+		}
+	}
+	return NULL;
+}
+#endif // CONFIG_SL351x_NAT
+/*----------------------------------------------------------------------
+* nat_ct_seq_show
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_NAT
+static int nat_ct_seq_show(struct seq_file *s, void *v)
+{
+	int 				idx;
+	NAT_HASH_ENTRY_T	*nat_entry;
+	GRE_HASH_ENTRY_T	*gre_entry;
+
+	idx = (int)v;
+	if (idx<=0 || idx >HASH_TOTAL_ENTRIES)
+		return -ENOSPC;
+
+	idx--;
+	nat_entry = (NAT_HASH_ENTRY_T *)&hash_tables[idx];
+	gre_entry = (GRE_HASH_ENTRY_T *)nat_entry;
+	if (nat_entry->key.ip_protocol == IPPROTO_GRE)
+	{
+		if (seq_printf(s, "%4d: KEY MAC-%d [%d] %u.%u.%u.%u [%u]-->%u.%u.%u.%u\n",
+					idx, gre_entry->key.port_id, gre_entry->key.ip_protocol,
+					HIPQUAD(gre_entry->key.sip), ntohs(gre_entry->key.call_id),
+					HIPQUAD(gre_entry->key.dip)))
+			return -ENOSPC;
+		if (seq_printf(s, "      PARAMETER: %u.%u.%u.%u -->%u.%u.%u.%u [%u] Timeout:%ds\n",
+					HIPQUAD(gre_entry->param.Sip),
+					HIPQUAD(gre_entry->param.Dip), gre_entry->param.Dport,
+					gre_entry->tmo.counter))
+			return -ENOSPC;
+	}
+	else
+	{
+		if (seq_printf(s, "%4d: KEY MAC-%d [%d] %u.%u.%u.%u [%u]-->%u.%u.%u.%u [%u]\n",
+					idx, nat_entry->key.port_id, nat_entry->key.ip_protocol,
+					HIPQUAD(nat_entry->key.sip), ntohs(nat_entry->key.sport),
+					HIPQUAD(nat_entry->key.dip), ntohs(nat_entry->key.dport)))
+			return -ENOSPC;
+		if (seq_printf(s, "      PARAMETER: %u.%u.%u.%u [%u]-->%u.%u.%u.%u [%u] Timeout:%ds\n",
+					HIPQUAD(nat_entry->param.Sip), nat_entry->param.Sport,
+					HIPQUAD(nat_entry->param.Dip), nat_entry->param.Dport,
+					nat_entry->tmo.counter))
+			return -ENOSPC;
+	}
+	return 0;
+}
+#endif // CONFIG_SL351x_NAT
+
+/*----------------------------------------------------------------------
+* toe_ct_open
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_RXTOE
+static int toe_ct_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &toe_ct_seq_ops);
+}
+#endif
+/*----------------------------------------------------------------------
+* toe_ct_seq_start
+* find the first
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_RXTOE
+static void *toe_ct_seq_start(struct seq_file *s, loff_t *pos)
+{
+	int i;
+
+	// proc_printf("%s: *pos=%d\n", __func__, (int)*pos);
+	for (i=*pos; i<TOE_TOE_QUEUE_NUM; i++)
+	{
+		if (sl351x_get_toe_conn_flag(i))
+		{
+			*pos = i;
+			return (void *)(i+1);
+		}
+	}
+	return NULL;
+}
+#endif
+/*----------------------------------------------------------------------
+* toe_ct_seq_stop
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_RXTOE
+static void toe_ct_seq_stop(struct seq_file *s, void *v)
+{
+}
+#endif
+/*----------------------------------------------------------------------
+* toe_ct_seq_next
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_RXTOE
+static void *toe_ct_seq_next(struct seq_file *s, void *v, loff_t *pos)
+{
+	int i;
+
+	// proc_printf("%s: *pos=%d\n", __func__, (int)*pos);
+	(*pos)++;
+	for (i=*pos; i<TOE_TOE_QUEUE_NUM; i++)
+	{
+		if (sl351x_get_toe_conn_flag(i))
+		{
+			*pos = i;
+			return (void *)(i+1);
+		}
+	}
+	return NULL;
+}
+#endif
+/*----------------------------------------------------------------------
+* toe_ct_seq_show
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_SL351x_RXTOE
+static int toe_ct_seq_show(struct seq_file *s, void *v)
+{
+	int 				idx;
+	struct toe_conn		*toe_entry;
+
+	idx = (int)v;
+	if (idx<=0 || idx >TOE_TOE_QUEUE_NUM)
+		return -ENOSPC;
+
+	idx--;
+	toe_entry = (struct toe_conn *)sl351x_get_toe_conn_info(idx);
+	if (!toe_entry)
+		return -ENOSPC;
+
+	if (seq_printf(s, "%4d: Qid %d MAC-%d TCP %u.%u.%u.%u [%u]-->%u.%u.%u.%u [%u]\n",
+				idx, toe_entry->qid, toe_entry->gmac->port_id,
+				NIPQUAD(toe_entry->saddr[0]), ntohs(toe_entry->source),
+				NIPQUAD(toe_entry->daddr[0]), ntohs(toe_entry->dest)))
+			return -ENOSPC;
+	return 0;
+}
+#endif
+/*----------------------------------------------------------------------
+* gmac_ct_open
+*----------------------------------------------------------------------*/
+static int gmac_ct_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &gmac_ct_seq_ops);
+}
+
+/*----------------------------------------------------------------------
+* gmac_ct_seq_start
+* find the first
+*----------------------------------------------------------------------*/
+static void *gmac_ct_seq_start(struct seq_file *s, loff_t *pos)
+{
+	int i;
+	i = (int)*pos + 1;;
+
+	if (i > 9)
+		return NULL;
+	else
+		return (void *)i;
+}
+
+/*----------------------------------------------------------------------
+* gmac_ct_seq_stop
+*----------------------------------------------------------------------*/
+static void gmac_ct_seq_stop(struct seq_file *s, void *v)
+{
+}
+
+/*----------------------------------------------------------------------
+* gmac_ct_seq_next
+*----------------------------------------------------------------------*/
+static void *gmac_ct_seq_next(struct seq_file *s, void *v, loff_t *pos)
+{
+	int i;
+
+	// proc_printf("%s: *pos=%d\n", __func__, (int)*pos);
+
+	(*pos)++;
+	i = (int)*pos + 1;;
+
+	if (i > 9)
+		return NULL;
+	else
+		return (void *)i;
+}
+
+/*----------------------------------------------------------------------
+* seq_dm_long
+*----------------------------------------------------------------------*/
+static void seq_dm_long(struct seq_file *s, u32 location, int length)
+{
+	u32		*start_p, *curr_p, *end_p;
+	u32		*datap, data;
+	int		i;
+
+	//if (length > 1024)
+	//	length = 1024;
+
+	start_p = (u32 *)location;
+	end_p = (u32 *)location + length;
+	curr_p = (u32 *)((u32)location & 0xfffffff0);
+	datap = (u32 *)location;
+	while (curr_p < end_p)
+	{
+		cond_resched();
+		seq_printf(s, "0x%08x: ",(u32)curr_p & 0xfffffff0);
+		for (i=0; i<4; i++)
+		{
+			if (curr_p < start_p || curr_p >= end_p)
+               seq_printf(s, "         ");
+			else
+			{
+				data = *datap;
+				seq_printf(s, "%08X ", data);
+			}
+			if (i==1)
+              seq_printf(s, "- ");
+
+			curr_p++;
+			datap++;
+		}
+        seq_printf(s, "\n");
+	}
+}
+
+/*----------------------------------------------------------------------
+* gmac_ct_seq_show
+*----------------------------------------------------------------------*/
+static int gmac_ct_seq_show(struct seq_file *s, void *v)
+{
+	switch ((int)v)
+	{
+		case 1:
+			seq_printf(s, "\nGMAC Global Registers\n");
+			seq_dm_long(s, TOE_GLOBAL_BASE, 32);
+			break;
+		case 2:
+			seq_printf(s, "\nGMAC Non-TOE Queue Header\n");
+			seq_dm_long(s, TOE_NONTOE_QUE_HDR_BASE, 12);
+			break;
+		case 3:
+			seq_printf(s, "\nGMAC TOE Queue Header\n");
+			seq_dm_long(s, TOE_TOE_QUE_HDR_BASE, 12);
+			break;
+		case 4:
+			seq_printf(s, "\nGMAC-0 DMA Registers\n");
+			seq_dm_long(s, TOE_GMAC0_DMA_BASE, 52);
+			break;
+		case 5:
+			seq_printf(s, "\nGMAC-0 Registers\n");
+			seq_dm_long(s, TOE_GMAC0_BASE, 32);
+			break;
+		case 6:
+			seq_printf(s, "\nGMAC-1 DMA Registers\n");
+			seq_dm_long(s, TOE_GMAC1_DMA_BASE, 52);
+			break;
+		case 7:
+			seq_printf(s, "\nGMAC-1 Registers\n");
+			seq_dm_long(s, TOE_GMAC1_BASE, 32);
+			break;
+		case 8:
+			seq_printf(s, "\nGLOBAL Registers\n");
+			seq_dm_long(s, GMAC_GLOBAL_BASE_ADDR, 16);
+			break;
+		case 9:
+#ifdef SL351x_GMAC_WORKAROUND
+			seq_printf(s, "\nGMAC-0 Rx/Tx/Short Workaround: %u, %u, %u\n", gmac_workaround_cnt[0], gmac_workaround_cnt[1], gmac_short_frame_workaround_cnt[0]);
+			seq_printf(s, "GMAC-1 Rx/Tx/Short Workaround: %u, %u, %u\n", gmac_workaround_cnt[2], gmac_workaround_cnt[3], gmac_short_frame_workaround_cnt[1]);
+#ifdef CONFIG_SL351x_NAT
+			seq_printf(s, "NAT Workaround: %u\n", sl351x_nat_workaround_cnt);
+#endif
+#endif
+			break;
+		default:
+			return -ENOSPC;
+	}
+	return 0;
+}
+
+/*----------------------------------------------------------------------
+* init
+*----------------------------------------------------------------------*/
+static int __init init(void)
+{
+	struct proc_dir_entry *proc_gmac=NULL;
+
+#ifdef CONFIG_SL351x_NAT
+	struct proc_dir_entry *proc_nat=NULL;
+#endif
+
+#ifdef CONFIG_SL351x_RXTOE
+	struct proc_dir_entry *proc_toe=NULL;
+#endif
+
+#ifdef CONFIG_SYSCTL
+	// nat_ct_sysctl_header = NULL;
+#endif
+	proc_gmac = proc_net_fops_create(SL351x_GMAC_PROC_NAME, 0440, &gmac_file_ops);
+	if (!proc_gmac) goto init_bad;
+
+#ifdef CONFIG_SL351x_NAT
+	proc_nat = proc_net_fops_create(SL351x_NAT_PROC_NAME, 0440, &nat_file_ops);
+	if (!proc_nat) goto init_bad;
+#endif // CONFIG_SL351x_NAT
+
+#ifdef CONFIG_SL351x_RXTOE
+	proc_toe = proc_net_fops_create(SL351x_TOE_PROC_NAME, 0440, &toe_file_ops);
+	if (!proc_toe) goto init_bad;
+#endif
+
+#ifdef CONFIG_SYSCTL
+	// nat_ct_sysctl_header = register_sysctl_table(nat_ct_net_table, 0);
+	// if (!nat_ct_sysctl_header) goto init_bad;
+#endif
+
+	return 0;
+
+init_bad:
+	if (proc_gmac) proc_net_remove(SL351x_GMAC_PROC_NAME);
+
+#ifdef CONFIG_SL351x_NAT
+	if (proc_nat) proc_net_remove(SL351x_NAT_PROC_NAME);
+#endif
+
+#ifdef CONFIG_SL351x_RXTOE
+	if (proc_toe) proc_net_remove(SL351x_NAT_PROC_NAME);
+#endif
+
+#ifdef CONFIG_SYSCTL
+	// if (nat_ct_sysctl_header) unregister_sysctl_table(nat_ct_sysctl_header);
+#endif
+	proc_printf("SL351x NAT Proc: can't create proc or register sysctl.\n");
+	return -ENOMEM;
+}
+
+/*----------------------------------------------------------------------
+* fini
+*----------------------------------------------------------------------*/
+static void __exit fini(void)
+{
+	proc_net_remove(SL351x_GMAC_PROC_NAME);
+
+#ifdef CONFIG_SL351x_NAT
+	proc_net_remove(SL351x_NAT_PROC_NAME);
+#endif
+
+#ifdef CONFIG_SL351x_RXTOE
+	proc_net_remove(SL351x_TOE_PROC_NAME);
+#endif
+
+#ifdef CONFIG_SYSCTL
+	// unregister_sysctl_table(nat_ct_sysctl_header);
+#endif
+}
+
+/*----------------------------------------------------------------------
+* module
+*----------------------------------------------------------------------*/
+module_init(init);
+module_exit(fini);
+
+#endif	// CONFIG_PROC_FS
--- /dev/null
+++ b/drivers/net/sl351x_toe.c
@@ -0,0 +1,1083 @@
+/**************************************************************************
+* Copyright 2006 StorLink Semiconductors, Inc.  All rights reserved.
+*--------------------------------------------------------------------------
+* Name			: sl351x_toe.c
+* Description	:
+*		Provide TOE routines for SL351x
+*
+* History
+*
+*	Date		Writer		Description
+*----------------------------------------------------------------------------
+*				Xiaochong
+*
+****************************************************************************/
+
+#include <linux/pci.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+#include <linux/slab.h>
+#include <linux/etherdevice.h>
+#include <asm/io.h>
+#include <linux/sysctl_storlink.h>
+#include <net/tcp.h>
+#include <linux/if_ether.h>
+#include <asm/arch/sl351x_gmac.h>
+#include <asm/arch/sl351x_toe.h>
+#include <asm/arch/sl351x_hash_cfg.h>
+#include <asm/arch/sl351x_nat_cfg.h>
+
+static int in_toe_isr;
+static int toe_initialized=0;
+
+static struct toe_conn	toe_connections[TOE_TOE_QUEUE_NUM];
+EXPORT_SYMBOL(toe_connections);
+static __u32 toe_connection_bits[TOE_TOE_QUEUE_NUM/32] __attribute__ ((aligned(16)));
+struct sk_buff* gen_pure_ack(struct toe_conn* connection, TOE_QHDR_T* toe_qhdr, INTR_QHDR_T *intr_curr_desc);
+
+extern struct storlink_sysctl	storlink_ctl;
+extern TOE_INFO_T toe_private_data;
+extern spinlock_t gmac_fq_lock;
+extern void mac_write_dma_reg(int mac, unsigned int offset, u32 data);
+extern int mac_set_rule_reg(int mac, int rule, int enabled, u32 reg0, u32 reg1, u32 reg2);
+extern int hash_add_toe_entry(HASH_ENTRY_T *entry);
+extern void toe_gmac_fill_free_q(void);
+
+#define _DEBUG_SKB_		1
+#ifdef _DEBUG_SKB_
+/*---------------------------------------------------------------------------
+ * _debug_skb
+ *-------------------------------------------------------------------------*/
+static inline void _debug_skb(struct sk_buff *skb, GMAC_RXDESC_T *toe_curr_desc, u32 data)
+{
+	if ((u32)skb < 0x1000)
+	{
+		printk("%s skb=%x\n", __func__, (u32)skb);
+		while(1);
+	}
+	REG32(__va(toe_curr_desc->word2.buf_adr)-SKB_RESERVE_BYTES) = data;
+}
+#else
+#define _debug_skb(x, y, z)
+#endif
+
+/*---------------------------------------------------------------------------
+ * get_connection_seq_num
+ *-------------------------------------------------------------------------*/
+u32 get_connection_seq_num(unsigned short qid)
+{
+	TOE_QHDR_T	*toe_qhdr;
+
+	toe_qhdr = (TOE_QHDR_T*)TOE_TOE_QUE_HDR_BASE;
+	toe_qhdr += qid;
+	return (u32)toe_qhdr->word3.seq_num;
+}
+EXPORT_SYMBOL(get_connection_seq_num);
+
+/*---------------------------------------------------------------------------
+ * get_connection_ack_num
+ *-------------------------------------------------------------------------*/
+u32 get_connection_ack_num(unsigned short qid)
+{
+	TOE_QHDR_T	*toe_qhdr;
+
+	toe_qhdr = (TOE_QHDR_T*)TOE_TOE_QUE_HDR_BASE;
+	toe_qhdr += qid;
+	return (u32)toe_qhdr->word4.ack_num;
+}
+EXPORT_SYMBOL(get_connection_ack_num);
+
+/*---------------------------------------------------------------------------
+ * dump_toe_qhdr
+ *-------------------------------------------------------------------------*/
+void dump_toe_qhdr(TOE_QHDR_T *toe_qhdr)
+{
+	printk("TOE w1 %x, w2 %x, w3 %x\n", toe_qhdr->word1.bits32,
+		toe_qhdr->word2.bits32, toe_qhdr->word3.bits32);
+	printk("w4 %x, w5 %x, w6 %x\n", toe_qhdr->word4.bits32,
+		toe_qhdr->word5.bits32, toe_qhdr->word6.bits32);
+}
+
+/*---------------------------------------------------------------------------
+ * dump_intrq_desc
+ *-------------------------------------------------------------------------*/
+void dump_intrq_desc(INTR_QHDR_T *intr_curr_desc)
+{
+	printk("INTR w0 %x, w1 %x, seq %x\n", intr_curr_desc->word0.bits32,
+		intr_curr_desc->word1.bits32, intr_curr_desc->word2.bits32);
+	printk("ack %x, w4 %x\n", intr_curr_desc->word3.bits32,
+		intr_curr_desc->word4.bits32);
+}
+
+/*---------------------------------------------------------------------------
+ * This routine will initialize a TOE matching rule
+ * called by SL351x GMAC driver.
+ *-------------------------------------------------------------------------*/
+void sl351x_toe_init(void)
+{
+	GMAC_MRxCR0_T	mrxcr0;
+	GMAC_MRxCR1_T	mrxcr1;
+	GMAC_MRxCR2_T	mrxcr2;
+	int	rule, rc;
+
+	if (toe_initialized)
+		return;
+
+	toe_initialized = 1;
+
+#ifndef CONFIG_SL351x_NAT
+	mrxcr0.bits32 = 0;
+	mrxcr1.bits32 = 0;
+	mrxcr2.bits32 = 0;
+	mrxcr0.bits.l3 = 1;
+	mrxcr0.bits.l4 = 1;
+	mrxcr1.bits.sip = 1;
+	mrxcr1.bits.dip = 1;
+	mrxcr1.bits.l4_byte0_15 = 0x0f;
+	mrxcr0.bits.sprx = 1;
+	rule = 0;
+	rc = mac_set_rule_reg(0, rule, 1, mrxcr0.bits32, mrxcr1.bits32,
+						mrxcr2.bits32);
+	if (rc<0) {
+		printk("%s::Set MAC 0 rule fail!\n", __func__);
+	}
+	rc = mac_set_rule_reg(1, rule, 1, mrxcr0.bits32, mrxcr1.bits32,
+	     					mrxcr2.bits32);
+	if (rc<0) {
+		printk("%s::Set MAC 1 rule fail!\n", __func__);
+	}
+#endif // CONFIG_SL351x_NAT
+}
+
+/*---------------------------------------------------------------------------
+ * dump_intrq_desc
+ * assign an interrupt queue number to a give tcp queue
+ *-------------------------------------------------------------------------*/
+int get_interrupt_queue_id(int tcp_qid)
+{
+	return (int)(tcp_qid & 0x0003);
+}
+
+/*---------------------------------------------------------------------------
+ * reset_connection_index
+ * reset the connection bit by given index
+ *-------------------------------------------------------------------------*/
+void reset_connection_index(__u8 index)
+{
+	__u32 mask = ~(0xffffffff & (1<< (index&0x1f)));
+	toe_connection_bits[index>>5] = toe_connection_bits[index>>5] & mask;
+}
+
+/*---------------------------------------------------------------------------
+ * update_timer
+ *-------------------------------------------------------------------------*/
+void update_timer(struct toe_conn* connection)
+{
+//	if (time_before(jiffies, connection->last_rx_jiffies+3))
+//	if ((jiffies + 0xffffffff - connection->last_rx_jiffies) & 0x3)
+//	if (connection->last_rx_jiffies > jiffies)
+//		printk("%s::jif %g, last_rx_jif %g\n", __func__, jiffies, connection->last_rx_jiffies);
+/*	if ((long)(jiffies + 2)< 3) { // overflow...
+		printk("%s::jiffies %x\n", __func__, jiffies);
+	} */
+//	if ((long)(jiffies - connection->last_rx_jiffies)< 2)
+//		return;
+	connection->last_rx_jiffies = jiffies;
+	// gary chen mod_timer(&connection->rx_timer, jiffies+2);
+	connection->rx_timer.expires = jiffies + 2;
+	add_timer(&connection->rx_timer);
+//	printk("%s::nt %x, lj %x\n", __func__, (jiffies+2), connection->last_rx_jiffies);
+}
+
+/*---------------------------------------------------------------------------
+ * gen_pure_ack
+ *-------------------------------------------------------------------------*/
+struct sk_buff* gen_pure_ack(struct toe_conn* connection, TOE_QHDR_T* toe_qhdr,
+INTR_QHDR_T *intr_curr_desc)
+{
+	struct sk_buff	*skb;
+	struct iphdr	*ip_hdr;
+	struct tcphdr	*tcp_hdr;
+	struct ethhdr	*eth_hdr;
+
+	if ((skb= dev_alloc_skb(RX_BUF_SIZE))==NULL) {
+		printk("%s::alloc pure ack fail!\n", __func__);
+		return NULL;
+	}
+	skb_reserve(skb, RX_INSERT_BYTES);
+	memset(skb->data, 0, 60);
+
+	eth_hdr = (struct ethhdr*)&(skb->data[0]);
+	memcpy(eth_hdr, &connection->l2_hdr, sizeof(struct ethhdr));
+
+	ip_hdr = (struct iphdr*)&(skb->data[14]);
+	ip_hdr->version = connection->ip_ver;
+	ip_hdr->ihl = 20>>2;
+	ip_hdr->tot_len = ntohs(40);
+	ip_hdr->frag_off = htons(IP_DF);
+	ip_hdr->ttl = 128;
+	ip_hdr->protocol = 0x06;
+	ip_hdr->saddr = connection->saddr[0];
+	ip_hdr->daddr = connection->daddr[0];
+//	printk("%s ip sa %x, da %x\n",
+//		__func__, ntohl(ip_hdr->saddr), ntohl(ip_hdr->daddr));
+
+	tcp_hdr = (struct tcphdr*)&(skb->data[34]);
+	tcp_hdr->source = connection->source;
+	tcp_hdr->dest = connection->dest;
+	if (intr_curr_desc) {
+		tcp_hdr->seq = htonl(intr_curr_desc->word2.seq_num);
+		tcp_hdr->ack_seq = htonl(intr_curr_desc->word3.ack_num);
+		tcp_hdr->window = htons(intr_curr_desc->word0.bits.win_size);
+	} else {
+		tcp_hdr->seq = htonl(toe_qhdr->word3.seq_num);
+		tcp_hdr->ack_seq = htonl(toe_qhdr->word4.ack_num);
+		tcp_hdr->window = htons(toe_qhdr->word6.bits.WinSize);
+	}
+	tcp_hdr->ack = 1;
+	tcp_hdr->doff = 20 >> 2;
+#if 0
+	if (!intr_curr_desc) {
+		unsigned char byte;
+		for (i=0; i<20; i++) {
+			byte = skb->data[34+i];
+			printk("%x ", byte);
+		}
+		printk("\n");
+	}
+#endif
+	TCP_SKB_CB(skb)->connection = connection;
+	return skb;
+}
+
+/*---------------------------------------------------------------------------
+ * connection_rx_timer
+ *-------------------------------------------------------------------------*/
+void connection_rx_timer(unsigned long *data)
+{
+	struct toe_conn	*connection = (struct toe_conn*)data;
+	unsigned int	tcp_qid, toeq_wptr;
+	unsigned int	pkt_size, desc_count;
+	struct sk_buff	*skb;
+	GMAC_RXDESC_T	*toe_curr_desc;
+	TOE_QHDR_T	*toe_qhdr;
+	struct net_device	*dev;
+	unsigned long	conn_flags;
+	DMA_RWPTR_T		toeq_rwptr;
+	unsigned short	timeout_descs;
+
+	if (in_toe_isr)
+		printk("%s::in_toe_isr=%d!\n", __func__, in_toe_isr);
+
+	if (connection) {
+		/* should we disable gmac interrupt first? */
+		if (!connection->gmac)
+			printk("%s::conn gmac %x!\n", __func__, (u32)connection->gmac);
+		local_irq_save(conn_flags);
+		if (!spin_trylock(&connection->conn_lock)) {
+			local_irq_restore(conn_flags);
+			// timer should be updated by the toeq isr. So no need to update here.
+			printk("%s::conn_lock is held by ISR!\n", __func__);
+			return;
+		}
+		disable_irq(connection->gmac->irq);
+
+		/* disable hash entry and get toeq desc. */
+		hash_set_valid_flag(connection->hash_entry_index, 0);
+		do{} while(0);	/* wait until HW finish */
+
+		dev = connection->dev;
+		if (!dev)
+			printk("%s::conn dev NULL!\n", __func__);
+		tcp_qid = connection->qid;
+		toe_qhdr = (TOE_QHDR_T *)(TOE_TOE_QUE_HDR_BASE +
+		              tcp_qid * sizeof(TOE_QHDR_T));
+		toeq_rwptr.bits32 = readl(&toe_qhdr->word1);
+		toeq_wptr = toe_qhdr->word1.bits.wptr;
+		timeout_descs = toeq_wptr - toeq_rwptr.bits.rptr;
+
+		if (toeq_rwptr.bits.rptr == toeq_wptr) {
+			if (toe_qhdr->word5.bits32) {
+				// shall we check toe_qhdr->word2.bits?
+				skb = gen_pure_ack(connection, toe_qhdr, (INTR_QHDR_T *)NULL);
+				skb_put(skb, 54);
+				skb->dev = connection->dev;
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+				skb->protocol = eth_type_trans(skb, connection->dev);
+				netif_rx(skb);
+				connection->dev->last_rx = jiffies;
+			}
+		} else {
+			while (toeq_rwptr.bits.rptr != toeq_rwptr.bits.wptr) {
+				/* we just simply send those packets to tcp? */
+				toe_curr_desc = (GMAC_RXDESC_T*)(toe_private_data.toe_desc_base[tcp_qid]
+					+ toeq_rwptr.bits.rptr * sizeof(GMAC_RXDESC_T));
+				connection->curr_desc = toe_curr_desc;
+				if (toe_curr_desc->word3.bits.ctrl_flag) {
+					printk("%s::ctrl flag! %x, conn rptr %d, to %d, jif %x, conn_jif %x\n",
+						__func__, toe_curr_desc->word3.bits32,
+						connection->toeq_rwptr.bits.rptr, timeout_descs,
+						(u32)jiffies, (u32)connection->last_rx_jiffies);
+				}
+				desc_count = toe_curr_desc->word0.bits.desc_count;
+				pkt_size = toe_curr_desc->word1.bits.byte_count;
+				consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size,
+					PCI_DMA_FROMDEVICE);
+				skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr)-
+					SKB_RESERVE_BYTES));
+				_debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x02);
+				connection->curr_rx_skb = skb;
+				skb_reserve(skb, RX_INSERT_BYTES);
+				skb_put(skb, pkt_size);
+				skb->dev = dev;
+				skb->protocol = eth_type_trans(skb, dev);
+				{
+					struct iphdr* ip_hdr = (struct iphdr*)&(skb->data[0]);
+					if (toe_curr_desc->word3.bits.ctrl_flag)
+						printk("%s::ip id %x\n", __func__, ntohs(ip_hdr->id));
+				}
+				skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+				netif_rx(skb);
+				dev->last_rx = jiffies;
+#if 0
+				if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) {
+					printk("%s::alloc buf fail!\n", __func__);
+				}
+				*(unsigned int*)(skb->data) = (unsigned int)skb;
+				connection->curr_rx_skb = skb;
+				skb_reserve(skb, SKB_RESERVE_BYTES);
+				spin_lock_irqsave(&connection->gmac->rx_mutex, flags);
+				fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+				if (toe_private_data.fq_rx_rwptr.bits.wptr != fq_rwptr.bits.wptr) {
+					mac_stop_txdma((struct net_device*)connection->dev);
+					spin_unlock_irqrestore(&connection->gmac->rx_mutex, flags);
+					while(1);
+				}
+				fq_desc = (GMAC_RXDESC_T*)toe_private_data.swfq_desc_base + fq_rwptr.bits.wptr;
+				fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data);
+				fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM);
+				SET_WPTR(TOE_GLOBAL_BASE+GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
+				toe_private_data.fq_rx_rwptr.bits32 = fq_rwptr.bits32;
+				spin_unlock_irqrestore(&connection->gmac->rx_mutex, flags);
+#endif
+//				spin_lock_irqsave(&connection->gmac->rx_mutex, flags);
+				toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM);
+				SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr);
+//				spin_unlock_irqrestore(&connection->gmac->rx_mutex, flags);
+				connection->toeq_rwptr.bits32 = toeq_rwptr.bits32;
+			}
+			toeq_rwptr.bits32 = readl(&toe_qhdr->word1);
+//			toe_gmac_fill_free_q();
+		}
+		connection->last_rx_jiffies = jiffies;
+		if (connection->status != TCP_CONN_CLOSED)
+			mod_timer(&connection->rx_timer, jiffies+2);
+		if (connection->status != TCP_CONN_ESTABLISHED)
+			printk("%s::conn status %x\n", __func__, connection->status);
+		hash_set_valid_flag(connection->hash_entry_index, 1);
+		enable_irq(connection->gmac->irq);
+		// Gary Chen spin_unlock_irqrestore(&connection->conn_lock, conn_flags);
+	}
+}
+
+/*---------------------------------------------------------------------------
+ * free_toeq_descs
+ *-------------------------------------------------------------------------*/
+void free_toeq_descs(int qid, TOE_INFO_T *toe)
+{
+	void	*desc_ptr;
+
+	desc_ptr = (void*)toe->toe_desc_base[qid];
+	pci_free_consistent(NULL, TOE_TOE_DESC_NUM*sizeof(GMAC_RXDESC_T), desc_ptr,
+	   (dma_addr_t)toe->toe_desc_base_dma[qid]);
+	toe->toe_desc_base[qid] = 0;
+}
+
+/*---------------------------------------------------------------------------
+ * set_toeq_hdr
+ *-------------------------------------------------------------------------*/
+void set_toeq_hdr(struct toe_conn*	connection, TOE_INFO_T* toe, struct net_device *dev)
+{
+	volatile TOE_QHDR_T	*toe_qhdr;
+	volatile unsigned int	toeq_wptr; // toeq_rptr
+	volatile GMAC_RXDESC_T	*toe_curr_desc;
+	struct sk_buff	*skb;
+	unsigned int	pkt_size;
+	DMA_RWPTR_T	toeq_rwptr;
+
+	if (connection->status == TCP_CONN_CLOSING) {
+		connection->status = TCP_CONN_CLOSED;
+		hash_set_valid_flag(connection->hash_entry_index, 0);
+		// remove timer first.
+		// del_timer_sync(&(connection->rx_timer));
+		// check if any queued frames last time.
+		toe_qhdr = (volatile TOE_QHDR_T*)TOE_TOE_QUE_HDR_BASE;
+		toe_qhdr += connection->qid;
+		toeq_rwptr.bits32 = readl(&toe_qhdr->word1);
+
+		//toeq_rptr = toe_qhdr->word1.bits.rptr;
+		toeq_wptr = toe_qhdr->word1.bits.wptr;
+		while (toeq_rwptr.bits.rptr != toeq_wptr) {
+			printk("%s::pending frames in TOE Queue before closing!\n", __func__);
+			toe_curr_desc = (GMAC_RXDESC_T*)(toe->toe_desc_base[connection->qid] +
+				toe_qhdr->word1.bits.rptr*sizeof(GMAC_RXDESC_T));
+			connection->curr_desc = (GMAC_RXDESC_T *)toe_curr_desc;
+			pkt_size = toe_curr_desc->word1.bits.byte_count;
+			consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size,
+				PCI_DMA_FROMDEVICE);
+			skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr) -
+				SKB_RESERVE_BYTES));
+			_debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x03);
+			connection->curr_rx_skb = skb;
+			skb_reserve(skb, RX_INSERT_BYTES);
+			skb_put(skb, pkt_size);
+			skb->dev = connection->dev;
+			skb->protocol = eth_type_trans(skb, connection->dev);
+			skb->ip_summed = CHECKSUM_UNNECESSARY;
+			netif_rx(skb);
+			connection->dev->last_rx = jiffies;
+
+			toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM);
+			SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr);
+		}
+		free_toeq_descs(connection->qid, toe);
+		// shall we re-fill free queue?
+
+		reset_connection_index(connection->qid);
+		//memset(connection, 0, sizeof(struct toe_conn));
+		printk(" del timer and close connection %x, qid %d\n", (u32)connection, connection->qid);
+		return;
+	}
+	/* enable or setup toe queue header */
+	if (connection->status == TCP_CONN_CONNECTING && storlink_ctl.rx_max_pktsize) {
+		volatile TOE_QHDR_T	*qhdr;
+		int iq_id;
+		connection->status = TCP_CONN_ESTABLISHED;
+		qhdr = (volatile TOE_QHDR_T*)((unsigned int)TOE_TOE_QUE_HDR_BASE +
+		               connection->qid * sizeof(TOE_QHDR_T));
+
+		iq_id = get_interrupt_queue_id(connection->qid);
+		connection->dev = dev;
+		connection->gmac = dev->priv;
+		connection->toeq_rwptr.bits32 = 0;
+
+//		qhdr->word6.bits.iq_num = iq_id;
+		qhdr->word6.bits.MaxPktSize = (connection->max_pktsize)>>2; // in word.
+		qhdr->word7.bits.AckThreshold = connection->ack_threshold;
+		qhdr->word7.bits.SeqThreshold = connection->seq_threshold;
+
+		// init timer.
+#if 1
+		init_timer(&connection->rx_timer);
+		connection->rx_timer.expires = jiffies + 5;
+		connection->rx_timer.data = (unsigned long)connection;
+		connection->rx_timer.function = (void *)&connection_rx_timer;
+		add_timer(&connection->rx_timer);
+		connection->last_rx_jiffies = jiffies;
+		printk("init_timer %x\n", (u32)jiffies);
+#endif
+		hash_set_valid_flag(connection->hash_entry_index, 1);
+		return;
+	} else {
+		printk("%s::conn status %x, rx_pktsize %d\n",
+			__func__, connection->status, storlink_ctl.rx_max_pktsize);
+	}
+}
+
+/*---------------------------------------------------------------------------
+ * get_connection_index
+ * get_connection_index will find an available index for the connection,
+ * when allocate a new connection is needed.
+ * we find available Qid from AV bits and write to hash_table, so that when RxTOE
+ * packet is received, sw_id from ToeQ descriptor is also the Qid of conneciton Q.
+ *-------------------------------------------------------------------------*/
+int get_connection_index(void)
+{
+	int i=0, j=0, index=-1;
+	__u32	connection_bits;
+
+	for (i = 0; i< TOE_TOE_QUEUE_NUM/32; i++) {
+		connection_bits = ~(toe_connection_bits[i]);
+		if (connection_bits == 0)
+			// all 32 bits are used.
+			continue;
+
+		for (j=0; j<32; j++) {
+			if (connection_bits & 0x01) {
+				index = i*32 + j;
+				return index;
+			}
+			connection_bits = connection_bits >> 1;
+		}
+	}
+	return index;
+}
+
+/*---------------------------------------------------------------------------
+ * set_toe_connection
+ *-------------------------------------------------------------------------*/
+void set_toe_connection(int index, int val)
+{
+	if (val) {
+		toe_connection_bits[index/32] |= (1<<(index%32));
+	} else {
+		toe_connection_bits[index/32] &= (~(1<<(index%32)));
+	}
+}
+
+/*---------------------------------------------------------------------------
+ * sl351x_get_toe_conn_flag
+ *-------------------------------------------------------------------------*/
+int sl351x_get_toe_conn_flag(int index)
+{
+	if (index < TOE_TOE_QUEUE_NUM)
+		return (toe_connection_bits[index/32] & (1 << (index %32)));
+	else
+		return 0;
+}
+
+/*---------------------------------------------------------------------------
+ * sl351x_get_toe_conn_info
+ *-------------------------------------------------------------------------*/
+struct toe_conn * sl351x_get_toe_conn_info(int index)
+{
+	if (index < TOE_TOE_QUEUE_NUM)
+		return (struct toe_conn *)&toe_connections[index];
+	else
+		return NULL;
+}
+
+/*---------------------------------------------------------------------------
+ * create_sw_toe_connection
+ *-------------------------------------------------------------------------*/
+struct toe_conn* create_sw_toe_connection(int qid, int ip_ver, void* ip_hdr,
+	struct tcphdr* tcp_hdr)
+{
+	struct toe_conn*	connection =  &(toe_connections[qid]);
+
+	connection->ip_ver = (__u8)ip_ver;
+	connection->qid = (__u8)qid;
+	connection->source = (__u16)tcp_hdr->source;
+	connection->dest = (__u16)tcp_hdr->dest;
+	if (ip_ver == 4) {
+		struct iphdr* iph = (struct iphdr*) ip_hdr;
+		connection->saddr[0] = (__u32)iph->saddr;
+		connection->daddr[0] = (__u32)iph->daddr;
+//		printk("%s::saddr %x, daddr %x\n", __func__,
+//			ntohl(connection->saddr[0]), ntohl(connection->daddr[0]));
+	} else if (ip_ver == 6) {
+		struct ipv6hdr *iph = (struct ipv6hdr*)ip_hdr;
+		int i=0;
+		for (i=0; i<4; i++) {
+			connection->saddr[i] = (__u32)iph->saddr.in6_u.u6_addr32[i];
+			connection->daddr[i] = (__u32)iph->daddr.in6_u.u6_addr32[i];
+		}
+	}
+	connection->status = TCP_CONN_CREATION;
+	return connection;
+}
+
+/*---------------------------------------------------------------------------
+ * fill_toeq_buf
+ *-------------------------------------------------------------------------*/
+int fill_toeq_buf(int index, TOE_INFO_T* toe)
+{
+	volatile TOE_QHDR_T	*qhdr;
+	//struct toe_conn* connection;
+	GMAC_RXDESC_T	*desc_ptr;
+
+	if (!toe->toe_desc_base[index]) {
+		// first time. init.
+		desc_ptr = (GMAC_RXDESC_T*)(pci_alloc_consistent(NULL, TOE_TOE_DESC_NUM
+		            *sizeof(GMAC_RXDESC_T), (dma_addr_t*)&toe->toe_desc_base_dma[index]));
+
+		toe->toe_desc_num = TOE_TOE_DESC_NUM;
+		toe->toe_desc_base[index] = (unsigned int)desc_ptr;
+	}
+	qhdr = (volatile TOE_QHDR_T*)((unsigned int)TOE_TOE_QUE_HDR_BASE +
+									index*sizeof(TOE_QHDR_T));
+	//connection = (struct toe_conn*)&(toe_connections[index]);
+
+	qhdr->word0.base_size = ((unsigned int)toe->toe_desc_base_dma[index]&TOE_QHDR0_BASE_MASK)
+					| TOE_TOE_DESC_POWER;
+	qhdr->word1.bits32 = 0;
+	qhdr->word2.bits32 = 0;
+	qhdr->word3.bits32 = 0;
+	qhdr->word4.bits32 = 0;
+	qhdr->word5.bits32 = 0;
+	return 1;
+}
+
+/*---------------------------------------------------------------------------
+ * create_toe_hash_entry_smb
+ * add SMB header in hash entry.
+ *-------------------------------------------------------------------------*/
+int create_toe_hash_entry_smb(int ip_ver, void* ip_hdr, struct tcphdr* tcp_hdr,
+	int sw_id)
+{
+	HASH_ENTRY_T	hash_entry, *entry;
+	int	hash_entry_index;
+	int i;
+
+	entry = (HASH_ENTRY_T*)&hash_entry;
+	memset((void*)entry, 0, sizeof(HASH_ENTRY_T));
+	entry->rule = 0;
+
+	/* enable fields of hash key */
+	entry->key_present.ip_protocol = 1;
+	entry->key_present.sip = 1;
+	entry->key_present.dip = 1;
+	entry->key_present.l4_bytes_0_3 = 1;	// src port and dest port
+	entry->key_present.l7_bytes_0_3 = 0;	// do we need to enable NETBIOS? how?
+	entry->key_present.l7_bytes_4_7 = 1;	// "SMB" header
+
+	/* hash key */
+	entry->key.ip_protocol = IPPROTO_TCP;
+	if (ip_ver == 4) {
+		struct iphdr *iph = (struct iphdr*)ip_hdr;
+		memcpy(entry->key.sip, &iph->saddr, 4);
+		memcpy(entry->key.dip, &iph->daddr, 4);
+	} else if (ip_ver == 6) {
+		struct ipv6hdr *iph = (struct ipv6hdr*)ip_hdr;
+		for (i=0; i<4; i++) {
+			memcpy(&(entry->key.sip[i*4]), &(iph->saddr.in6_u.u6_addr32[i]), 4);
+			memcpy(&(entry->key.dip[i*4]), &(iph->daddr.in6_u.u6_addr32[i]), 4);
+		}
+	}
+	*(__u16*)&entry->key.l4_bytes[0] = tcp_hdr->source;
+	*(__u16*)&entry->key.l4_bytes[2] = tcp_hdr->dest;
+
+	entry->key.l7_bytes[4] = 0xff;
+	entry->key.l7_bytes[5] = 0x53;
+	entry->key.l7_bytes[6] = 0x4d;
+	entry->key.l7_bytes[7] = 0x42;
+
+	/* action of hash entry match */
+	entry->action.sw_id = 1;
+	entry->action.dest_qid = (__u8)TOE_TOE_QID(sw_id);
+	entry->action.srce_qid = 0;
+	hash_entry_index = hash_add_toe_entry(entry);
+
+	return hash_entry_index;
+}
+
+// best performance of tcp streaming.
+/*---------------------------------------------------------------------------
+ * create_toe_hash_entry_smb
+ * add SMB header in hash entry.
+ *-------------------------------------------------------------------------*/
+int create_toe_hash_entry_ftp(int ip_ver, void* ip_hdr, struct tcphdr* tcphdr)
+{
+	return 0;
+}
+
+// is hash entry for nfs needed?
+
+/*
+ * Create a TOE hash entry by given ip addresses and tcp port numbers.
+ * hash entry index will be saved in sw connection.
+ */
+/*---------------------------------------------------------------------------
+ * create_toe_hash_entry
+ *-------------------------------------------------------------------------*/
+int create_toe_hash_entry(int ip_ver, void* ip_hdr, struct tcphdr* tcp_hdr, int sw_id)
+{
+	HASH_ENTRY_T	hash_entry, *entry;
+//	unsigned long	hash_key[HASH_MAX_DWORDS];
+	int	hash_entry_index;
+
+	entry = (HASH_ENTRY_T*) &hash_entry;
+	memset((void*)entry, 0, sizeof(HASH_ENTRY_T));
+	entry->rule = 0;
+	/* enable fields of hash key */
+	entry->key_present.ip_protocol = 1;
+	entry->key_present.sip = 1;
+	entry->key_present.dip = 1;
+	entry->key_present.l4_bytes_0_3 = 1;	// src port and dest port
+
+	/* hash key */
+	entry->key.ip_protocol = IPPROTO_TCP;
+	if (ip_ver == 4) {
+		// key of ipv4
+		struct iphdr* iph = (struct iphdr*)ip_hdr;
+		memcpy(entry->key.sip, &iph->saddr, 4);
+		memcpy(entry->key.dip, &iph->daddr, 4);
+	} else if (ip_ver == 6) {
+		// key of ipv6
+		int i=0;
+		struct ipv6hdr *iph = (struct ipv6hdr*)ip_hdr;
+		for (i=0; i<4; i++) {
+			memcpy(&(entry->key.sip[i*4]), &(iph->saddr.in6_u.u6_addr32[i]), 4);
+			memcpy(&(entry->key.dip[i*4]), &(iph->daddr.in6_u.u6_addr32[i]), 4);
+		}
+	}
+	*(__u16*)&entry->key.l4_bytes[0] = tcp_hdr->source;
+	*(__u16*)&entry->key.l4_bytes[2] = tcp_hdr->dest;
+	// is it necessary to write ip version to hash key?
+
+	/* action of hash entry match */
+	entry->action.sw_id = 1;
+	entry->action.dest_qid = (__u8)TOE_TOE_QID(sw_id);
+	entry->action.srce_qid = 0;	// 0 for SW FreeQ. 1 for HW FreeQ.
+	hash_entry_index = hash_add_toe_entry(entry);
+//	printk("\n%s. sw_id %d, hash_entry index %x\n",
+//		__func__, TOE_TOE_QID(sw_id), hash_entry_index);
+	return hash_entry_index;
+}
+
+/*---------------------------------------------------------------------------
+ * init_toeq
+ * 1. Reserve a TOE Queue id first, to get the sw toe_connection.
+ * 2. Setup the hash entry with given iphdr and tcphdr, save hash entry index
+ *    in sw toe_connection.
+ * 3. Prepare sw toe_connection and allocate buffers.
+ * 4. Validate hash entry.
+ *-------------------------------------------------------------------------*/
+struct toe_conn* init_toeq(int ipver, void* iph, struct tcphdr* tcp_hdr,
+	TOE_INFO_T* toe, unsigned char* l2hdr)
+{
+//	printk("\t*** %s, ipver %d\n", __func__, ipver);
+	int qid=-1;
+	struct toe_conn* connection;
+	int hash_entry_index;
+	// int i=0;
+	unsigned short	dest_port = ntohs(tcp_hdr->dest);
+
+	if (dest_port == 445) {
+		printk("%s::SMB/CIFS connection\n", __func__);
+	} else if (dest_port == 20) {
+		printk("%s::ftp-data connection\n", __func__);
+	} else if (dest_port == 2049) {
+		printk("%s::nfs daemon connection\n", __func__);
+	}
+	qid = get_connection_index();
+	if (qid<0)
+		return 0;	// setup toeq failure
+	set_toe_connection(qid, 1); // reserve this sw toeq.
+
+	//connection = (struct toe_conn*)&(toe_connections[qid]);
+	hash_entry_index = create_toe_hash_entry(ipver, iph, tcp_hdr, qid);
+	if (hash_entry_index <0) {
+		printk("%s::release toe hash entry!\n", __func__);
+		set_toe_connection(qid, 0); // release this sw toeq.
+		return 0;
+	}
+	connection = create_sw_toe_connection(qid, ipver, iph, tcp_hdr);
+	connection->hash_entry_index = (__u16) hash_entry_index;
+
+	fill_toeq_buf(qid, toe);
+	memcpy(&connection->l2_hdr, l2hdr, sizeof(struct ethhdr));
+	spin_lock_init(&connection->conn_lock);
+
+	return connection;
+}
+
+#if 0
+/*----------------------------------------------------------------------
+*   toe_init_toe_queue
+*   (1) Initialize the TOE Queue Header
+*       Register: TOE_TOE_QUE_HDR_BASE (0x60003000)
+*   (2) Initialize Descriptors of TOE Queues
+*----------------------------------------------------------------------*/
+void toe_init_toe_queue(TOE_INFO_T* toe)
+{
+}
+EXPORT_SYMBOL(toe_init_toe_queue);
+#endif
+
+/*---------------------------------------------------------------------------
+ * dump_jumbo_skb
+ *-------------------------------------------------------------------------*/
+void dump_jumbo_skb(struct jumbo_frame *jumbo_skb)
+{
+	if (jumbo_skb->skb0) {
+//		printk("%s. jumbo skb %x, len %d\n",
+//			__func__, jumbo_skb->skb0->data, jumbo_skb->skb0->len);
+		netif_rx(jumbo_skb->skb0);
+	}
+	jumbo_skb->skb0 = 0;
+	jumbo_skb->tail = 0;
+	jumbo_skb->iphdr0 = 0;
+	jumbo_skb->tcphdr0 = 0;
+}
+
+/* ---------------------------------------------------------------------
+ * Append skb to skb0. skb0 is the jumbo frame that will be passed to
+ * kernel tcp.
+ * --------------------------------------------------------------------*/
+void rx_append_skb(struct jumbo_frame *jumbo_skb, struct sk_buff* skb, int payload_len)
+{
+	struct iphdr* iphdr0 = (struct iphdr*)&(skb->data[0]);
+	int ip_hdrlen = iphdr0->ihl << 2;
+	struct tcphdr* tcphdr0 = (struct tcphdr*)&(skb->data[ip_hdrlen]);
+
+	if (!jumbo_skb->skb0) {
+		// head of the jumbo frame.
+		jumbo_skb->skb0 = skb;
+		jumbo_skb->tail = 0;
+		jumbo_skb->iphdr0 = iphdr0;
+		jumbo_skb->tcphdr0 = tcphdr0;
+	} else {
+		if (!jumbo_skb->tail)
+			skb_shinfo(jumbo_skb->skb0)->frag_list = skb;
+		else
+			(jumbo_skb->tail)->next = skb;
+		jumbo_skb->tail = skb;
+
+		// do we need to change truesize as well?
+		jumbo_skb->skb0->len += payload_len;
+		jumbo_skb->skb0->data_len += payload_len;
+
+		jumbo_skb->iphdr0->tot_len = htons(ntohs(jumbo_skb->iphdr0->tot_len)+payload_len);
+		jumbo_skb->tcphdr0->ack_seq = tcphdr0->ack_seq;
+		jumbo_skb->tcphdr0->window = tcphdr0->window;
+
+		skb->len += payload_len;
+		skb->data_len = 0;
+		skb->data += ntohs(iphdr0->tot_len) - payload_len;
+	}
+}
+
+/*----------------------------------------------------------------------
+* toe_gmac_handle_toeq
+* (1) read interrupt Queue to get TOE Q.
+* (2) get packet fro TOE Q and send to upper layer handler.
+* (3) allocate new buffers and put to TOE Q. Intr Q buffer is recycled.
+*----------------------------------------------------------------------*/
+void toe_gmac_handle_toeq(struct net_device *dev, GMAC_INFO_T* tp, __u32 status)
+{
+	//volatile INTRQ_INFO_T	*intrq_info;
+	//TOEQ_INFO_T		*toeq_info;
+	volatile NONTOE_QHDR_T	*intr_qhdr;
+	volatile TOE_QHDR_T		*toe_qhdr;
+	volatile INTR_QHDR_T	*intr_curr_desc;
+	TOE_INFO_T	*toe = &toe_private_data;
+
+	volatile GMAC_RXDESC_T	*toe_curr_desc; // , *fq_desc;// *tmp_desc;
+	volatile DMA_RWPTR_T	intr_rwptr, toeq_rwptr;  // fq_rwptr;
+
+	unsigned int 	pkt_size, desc_count, tcp_qid;
+	volatile unsigned int	toeq_wptr;
+	struct toe_conn*		connection;
+	int		i, frag_id = 0;
+	// unsigned long	toeq_flags;
+	struct jumbo_frame	jumbo_skb;
+	struct sk_buff	*skb;
+	__u32	interrupt_status;
+
+	in_toe_isr++;
+
+	interrupt_status = status >> 24;
+	// get interrupt queue header
+	intr_qhdr = (volatile NONTOE_QHDR_T*)TOE_INTR_Q_HDR_BASE;
+	memset(&jumbo_skb, 0, sizeof(struct jumbo_frame));
+
+	for (i=0; i<TOE_INTR_QUEUE_NUM; i++, intr_qhdr++) {
+		if (!(interrupt_status & 0x0001)) {
+			// no interrupt of this IntQ
+			interrupt_status = interrupt_status >> 1;
+			continue;
+		}
+		interrupt_status = interrupt_status >> 1;
+		intr_rwptr.bits32 = readl(&intr_qhdr->word1);
+
+		while ( intr_rwptr.bits.rptr != intr_rwptr.bits.wptr) {
+			int max_pktsize = 1;
+			// get interrupt queue descriptor.
+			intr_curr_desc = (INTR_QHDR_T*)toe->intr_desc_base +
+				i* TOE_INTR_DESC_NUM + intr_rwptr.bits.rptr;
+//			printk("%s::int %x\n", __func__, intr_curr_desc->word1.bits32);
+			// get toeq id
+			tcp_qid = (u8)intr_curr_desc->word1.bits.tcp_qid - (u8)TOE_TOE_QID(0);
+			// get toeq queue header
+			toe_qhdr = (volatile TOE_QHDR_T*) TOE_TOE_QUE_HDR_BASE;
+			toe_qhdr += tcp_qid;
+			connection = &toe_connections[tcp_qid];
+			del_timer(&connection->rx_timer);
+			// Gary Chen spin_lock_irqsave(&connection->conn_lock, toeq_flags);
+			// handling interrupts of this TOE Q.
+			if (intr_curr_desc->word1.bits.ctl || intr_curr_desc->word1.bits.osq ||
+				intr_curr_desc->word1.bits.abn)
+				max_pktsize = 0;
+			if (!max_pktsize || intr_curr_desc->word1.bits.TotalPktSize) {
+				desc_count=0;
+				// wptr in intl queue is where this TOE interrupt should stop.
+				toeq_rwptr.bits32 = readl(&toe_qhdr->word1);
+				toeq_wptr = intr_curr_desc->word0.bits.wptr;
+				if (connection->toeq_rwptr.bits.rptr != toeq_rwptr.bits.rptr)
+					printk("conn rptr %d, hw rptr %d\n",
+						connection->toeq_rwptr.bits.rptr, toeq_rwptr.bits.rptr);
+
+				if (intr_curr_desc->word1.bits.ctl &&
+					(toeq_rwptr.bits.rptr == toeq_wptr)) {
+					printk("\nctrl frame, but not in TOE queue! conn rptr %d, hw wptr %d\n",
+						connection->toeq_rwptr.bits.rptr, toeq_wptr);
+//					dump_toe_qhdr(toe_qhdr);
+//					dump_intrq_desc(intr_curr_desc);
+				}
+				// while (toeq_rwptr.bits.rptr != intr_curr_desc->word0.bits.wptr) {
+				while (toe_qhdr->word1.bits.rptr != intr_curr_desc->word0.bits.wptr) {
+					frag_id++;
+					toe_curr_desc = (volatile GMAC_RXDESC_T *)(toe->toe_desc_base[tcp_qid]
+						+ toe_qhdr->word1.bits.rptr *sizeof(GMAC_RXDESC_T));
+					connection->curr_desc = (GMAC_RXDESC_T *)toe_curr_desc;
+					desc_count = toe_curr_desc->word0.bits.desc_count;
+					pkt_size = toe_curr_desc->word1.bits.byte_count;
+					consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size,
+						PCI_DMA_FROMDEVICE);
+					skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr)-
+						SKB_RESERVE_BYTES));
+					_debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x01);
+					connection->curr_rx_skb = skb;
+					skb_reserve(skb, RX_INSERT_BYTES);
+					if ((skb->len + pkt_size) > (1514+16))
+					{
+						printk("skb->len=%d, pkt_size=%d\n",skb->len, pkt_size);
+						while(1);
+					}
+
+					skb_put(skb, pkt_size);
+					skb->dev = dev;
+					skb->protocol = eth_type_trans(skb, dev);
+					skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+					if (toe_curr_desc->word3.bits32 & 0x1b000000)
+						dump_jumbo_skb(&jumbo_skb);
+
+					rx_append_skb(&jumbo_skb, skb, pkt_size-toe_curr_desc->word3.bits.l7_offset);
+//					spin_lock_irqsave(&gmac_fq_lock, flags);
+					toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM);
+					SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr);
+//					spin_unlock_irqrestore(&gmac_fq_lock, flags);
+					if (storlink_ctl.fqint_threshold)
+						continue;
+#if 0
+//#if (HANDLE_FREEQ_METHOD == HANDLE_FREEQ_INDIVIDUAL)
+					if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) {
+						printk("%s::toe queue alloc buffer ", __func__);
+					}
+					*(unsigned int*)(skb->data) = (unsigned int)skb;
+					connection->curr_rx_skb = skb;
+					skb_reserve(skb, SKB_RESERVE_BYTES);
+
+					spin_lock_irqsave(&gmac_fq_lock, flags);
+					fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+					if (toe->fq_rx_rwptr.bits.wptr != fq_rwptr.bits.wptr) {
+						printk("%s::fq_rx_rwptr %x\n", __func__, toe->fq_rx_rwptr.bits32);
+						mac_stop_txdma((struct net_device*) tp->dev);
+						spin_unlock_irqrestore(&gmac_fq_lock, flags);
+						while(1);
+					}
+					fq_desc = (GMAC_RXDESC_T*)toe->swfq_desc_base + fq_rwptr.bits.wptr;
+					fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data);
+
+					fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM);
+					SET_WPTR(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
+					toe->fq_rx_rwptr.bits32 = fq_rwptr.bits32;
+					spin_unlock_irqrestore(&gmac_fq_lock, flags);
+#endif
+				} // end of this multi-desc.
+				dump_jumbo_skb(&jumbo_skb);
+				dev->last_rx = jiffies;
+				connection->toeq_rwptr.bits32 = toeq_rwptr.bits32;
+			} else if (intr_curr_desc->word1.bits.sat) {
+				toeq_rwptr.bits32 = readl(&toe_qhdr->word1);
+				toeq_wptr = intr_curr_desc->word0.bits.wptr;
+				if (connection->toeq_rwptr.bits.rptr != toeq_rwptr.bits.rptr)
+					printk("SAT. conn rptr %d, hw rptr %d\n",
+						connection->toeq_rwptr.bits.rptr, toeq_rwptr.bits.rptr);
+/*
+					printk("%s::SAT int!, ackcnt %x, seqcnt %x, rptr %d, wptr %d, ack %x, qhack %x\n",
+ 						__func__, intr_curr_desc->word4.bits.AckCnt, intr_curr_desc->word4.bits.SeqCnt,
+						toeq_rptr, toeq_wptr, intr_curr_desc->word3.ack_num, toe_qhdr->word4.ack_num);*/
+				/* pure ack */
+				if (toeq_rwptr.bits.rptr == toeq_wptr) {
+					if (intr_curr_desc->word4.bits32) {
+						skb = gen_pure_ack(connection, (TOE_QHDR_T *)toe_qhdr, (INTR_QHDR_T *)intr_curr_desc);
+						skb_put(skb, 60);
+						skb->dev = connection->dev;
+						skb->ip_summed = CHECKSUM_UNNECESSARY;
+						skb->protocol = eth_type_trans(skb, connection->dev);
+						netif_rx(skb);
+					} else
+						printk("%s::SAT Interrupt!. But cnt is 0!\n", __func__);
+				} else {
+					// while (toeq_rwptr.bits.rptr != toeq_wptr) {
+					while (toe_qhdr->word1.bits.rptr != intr_curr_desc->word0.bits.wptr) {
+						toe_curr_desc = (volatile GMAC_RXDESC_T*)(toe->toe_desc_base[tcp_qid]
+							+ toe_qhdr->word1.bits.rptr * sizeof(GMAC_RXDESC_T));
+						connection->curr_desc = (GMAC_RXDESC_T *)toe_curr_desc;
+						desc_count = toe_curr_desc->word0.bits.desc_count;
+						pkt_size = toe_curr_desc->word1.bits.byte_count;
+						consistent_sync((void*)__va(toe_curr_desc->word2.buf_adr), pkt_size,
+							PCI_DMA_FROMDEVICE);
+						// if ( ((toeq_rwptr.bits.rptr +1)&(TOE_TOE_DESC_NUM-1)) == toeq_wptr) {
+						if ( RWPTR_ADVANCE_ONE(toe_qhdr->word1.bits.rptr, TOE_TOE_DESC_NUM) == toeq_wptr) {
+							skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr) -
+								SKB_RESERVE_BYTES));
+							_debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x04);
+							connection->curr_rx_skb = skb;
+							skb_reserve(skb, RX_INSERT_BYTES);
+							skb_put(skb, pkt_size);
+							skb->dev = dev;
+							skb->protocol = eth_type_trans(skb, dev);
+							skb->ip_summed = CHECKSUM_UNNECESSARY;
+							// printk("toeq_rptr %d, wptr %d\n", toeq_rptr, toeq_wptr);
+							netif_rx(skb);
+							dev->last_rx = jiffies;
+/*
+							if ((skb = dev_alloc_skb(RX_BUF_SIZE)) == NULL) {
+
+							}
+							*(unsigned int*)(skb->data) = (unsigned int) skb;
+							skb_reserve(skb, SKB_RESERVE_BYTES); */
+						} else {
+							// reuse this skb, append to free queue..
+							skb = (struct sk_buff*)(REG32(__va(toe_curr_desc->word2.buf_adr)-
+								SKB_RESERVE_BYTES));
+							_debug_skb(skb, (GMAC_RXDESC_T *)toe_curr_desc, 0x05);
+							connection->curr_rx_skb = skb;
+							dev_kfree_skb_irq(skb);
+						}
+#if 0
+						spin_lock_irqsave(&gmac_fq_lock, flags);
+						fq_rwptr.bits32 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+/*						if (toe->fq_rx_rwptr.bits.wptr != fq_rwptr.bits.wptr) {
+							printk("%s::fq_rx_rwptr %x\n", __func__, toe->fq_rx_rwptr.bits32);
+							mac_stop_txdma((struct net_device*) tp->dev);
+							spin_unlock_irqrestore(&gmac_fq_lock, flags);
+							while(1);
+						} */
+						fq_desc = (GMAC_RXDESC_T*)toe->swfq_desc_base + fq_rwptr.bits.wptr;
+						fq_desc->word2.buf_adr = (unsigned int)__pa(skb->data);
+
+						fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, TOE_SW_FREEQ_DESC_NUM);
+						SET_WPTR(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr);
+						toe->fq_rx_rwptr.bits32 = fq_rwptr.bits32;
+	//					spin_unlock_irqrestore(&gmac_fq_lock, flags);
+#endif
+//						spin_lock_irqsave(&gmac_fq_lock, flags);
+						toeq_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(toeq_rwptr.bits.rptr, TOE_TOE_DESC_NUM);
+						SET_RPTR(&toe_qhdr->word1, toeq_rwptr.bits.rptr);
+//						spin_unlock_irqrestore(&gmac_fq_lock, flags);
+					}
+				} // end of ACK with options.
+				connection->toeq_rwptr.bits32 = toeq_rwptr.bits32;
+				// Gary Chen spin_unlock_irqrestore(&connection->conn_lock, toeq_flags);
+//				}
+			};
+			update_timer(connection);
+			// any protection against interrupt queue header?
+			intr_rwptr.bits.rptr = RWPTR_ADVANCE_ONE(intr_rwptr.bits.rptr, TOE_INTR_DESC_NUM);
+			SET_RPTR(&intr_qhdr->word1, intr_rwptr.bits.rptr);
+			intr_rwptr.bits32 = readl(&intr_qhdr->word1);
+			toe_gmac_fill_free_q();
+		} // end of this interrupt Queue processing.
+	} // end of all interrupt Queues.
+
+	in_toe_isr = 0;
+}
+
+
--- /dev/null
+++ b/drivers/net/sl_lepus_hash.c
@@ -0,0 +1,553 @@
+/**************************************************************************
+* Copyright 2006 StorLink Semiconductors, Inc.  All rights reserved.
+*--------------------------------------------------------------------------
+* Name			: sl_lepus_hash.c
+* Description	:
+*		Handle Storlink Lepus Hash Functions
+*
+* History
+*
+*	Date		Writer		Description
+*----------------------------------------------------------------------------
+*	03/13/2006	Gary Chen	Create and implement
+*
+****************************************************************************/
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/delay.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/completion.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/semaphore.h>
+#include <asm/arch/irqs.h>
+#include <asm/arch/it8712.h>
+#include <linux/mtd/kvctl.h>
+#include <linux/skbuff.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/list.h>
+#define	 MIDWAY
+#define	 SL_LEPUS
+
+#include <asm/arch/sl2312.h>
+#include <asm/arch/sl_lepus_gmac.h>
+#include <asm/arch/sl_hash_cfg.h>
+
+#ifndef RXTOE_DEBUG
+#define RXTOE_DEBUG
+#endif
+#undef RXTOE_DEBUG
+
+/*----------------------------------------------------------------------
+* Definition
+*----------------------------------------------------------------------*/
+#define	hash_printf				printk
+
+#define HASH_TIMER_PERIOD		(60*HZ)	// seconds
+#define HASH_ILLEGAL_INDEX		0xffff
+
+/*----------------------------------------------------------------------
+* Variables
+*----------------------------------------------------------------------*/
+u32					hash_activate_bits[HASH_TOTAL_ENTRIES/32];
+u32					hash_nat_owner_bits[HASH_TOTAL_ENTRIES/32];
+char 				hash_tables[HASH_TOTAL_ENTRIES][HASH_MAX_BYTES] __attribute__ ((aligned(16)));
+static struct timer_list hash_timer_obj;
+LIST_HEAD(hash_timeout_list);
+
+/*----------------------------------------------------------------------
+* Functions
+*----------------------------------------------------------------------*/
+void dm_long(u32 location, int length);
+static void hash_timer_func(u32 data);
+
+/*----------------------------------------------------------------------
+* hash_init
+*----------------------------------------------------------------------*/
+void hash_init(void)
+{
+	int i;
+	volatile u32 *dp1, *dp2, dword;
+
+	dp1 = (volatile u32 *) TOE_V_BIT_BASE;
+	dp2 = (volatile u32 *) TOE_A_BIT_BASE;
+
+	for (i=0; i<HASH_TOTAL_ENTRIES/32; i++)
+	{
+		*dp1++ = 0;
+		dword = *dp2++;	// read-clear
+	}
+	memset((void *)&hash_nat_owner_bits, 0, sizeof(hash_nat_owner_bits));
+	memset((void *)&hash_tables, 0, sizeof(hash_tables));
+
+	init_timer(&hash_timer_obj);
+	hash_timer_obj.expires = jiffies + HASH_TIMER_PERIOD;
+	hash_timer_obj.data = (unsigned long)&hash_timer_obj;
+	hash_timer_obj.function = (void *)&hash_timer_func;
+	add_timer(&hash_timer_obj);
+
+#if (HASH_MAX_BYTES == 128)
+	writel((unsigned long)__pa(&hash_tables) | 3,	// 32 words
+			TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG);
+#elif (HASH_MAX_BYTES == 64)
+	writel((unsigned long)__pa(&hash_tables) | 2,	// 16 words
+			TOE_GLOBAL_BASE + GLOBAL_HASH_TABLE_BASE_REG);
+#else
+	#error Incorrect setting for HASH_MAX_BYTES
+#endif
+
+}
+/*----------------------------------------------------------------------
+* hash_add_entry
+*----------------------------------------------------------------------*/
+int hash_add_entry(HASH_ENTRY_T *entry)
+{
+	int	rc;
+	u32	key[HASH_MAX_DWORDS];
+	rc = hash_build_keys((u32 *)&key, entry);
+	if (rc < 0)
+		return -1;
+	hash_write_entry(entry, (unsigned char*) &key[0]);
+//	hash_set_valid_flag(entry->index, 1);
+//	printk("Dump hash key!\n");
+//	dump_hash_key(entry);
+	return entry->index;
+}
+
+/*----------------------------------------------------------------------
+* hash_set_valid_flag
+*----------------------------------------------------------------------*/
+void hash_set_valid_flag(int index, int valid)
+{
+	register u32 reg32;
+
+	reg32 = TOE_V_BIT_BASE + (index/32) * 4;
+
+	if (valid)
+	{
+		writel(readl(reg32) | (1 << (index%32)), reg32);
+	}
+	else
+	{
+		writel(readl(reg32) & ~(1 << (index%32)), reg32);
+	}
+}
+
+/*----------------------------------------------------------------------
+* hash_set_nat_owner_flag
+*----------------------------------------------------------------------*/
+void hash_set_nat_owner_flag(int index, int valid)
+{
+	if (valid)
+	{
+		hash_nat_owner_bits[index/32] |= (1 << (index % 32));
+	}
+	else
+	{
+		hash_nat_owner_bits[index/32] &= ~(1 << (index % 32));
+	}
+}
+
+
+/*----------------------------------------------------------------------
+* hash_build_keys
+*----------------------------------------------------------------------*/
+int hash_build_keys(u32 *destp, HASH_ENTRY_T *entry)
+{
+	u32 	data;
+	unsigned char 	*cp;
+	int				i, j;
+	unsigned short 	index;
+	int 			total;
+
+	memset((void *)destp, 0, HASH_MAX_BYTES);
+	cp = (unsigned char *)destp;
+
+	if (entry->key_present.port || entry->key_present.Ethertype)
+	{
+		HASH_PUSH_WORD(cp, entry->key.Ethertype);		// word 0
+		HASH_PUSH_BYTE(cp, entry->key.port);			// Byte 2
+		HASH_PUSH_BYTE(cp, 0);							// Byte 3
+	}
+	else
+	{
+		HASH_PUSH_DWORD(cp, 0);
+	}
+
+	if (entry->key_present.da || entry->key_present.sa)
+	{
+		unsigned char mac[4];
+		if (entry->key_present.da)
+		{
+			for (i=0; i<4; i++)
+				HASH_PUSH_BYTE(cp, entry->key.da[i]);
+		}
+		mac[0] = (entry->key_present.da) ? entry->key.da[4] : 0;
+		mac[1] = (entry->key_present.da) ? entry->key.da[5] : 0;
+		mac[2] = (entry->key_present.sa) ? entry->key.sa[0] : 0;
+		mac[3] = (entry->key_present.sa) ? entry->key.sa[1] : 0;
+		data = mac[0] + (mac[1]<<8) + (mac[2]<<16) + (mac[3]<<24);
+		HASH_PUSH_DWORD(cp, data);
+		if (entry->key_present.sa)
+		{
+			for (i=2; i<6; i++)
+				HASH_PUSH_BYTE(cp, entry->key.sa[i]);
+		}
+	}
+
+	if (entry->key_present.pppoe_sid || entry->key_present.vlan_id)
+	{
+		HASH_PUSH_WORD(cp, entry->key.vlan_id);		// low word
+		HASH_PUSH_WORD(cp, entry->key.pppoe_sid);	// high word
+	}
+	if (entry->key_present.ipv4_hdrlen || entry->key_present.ip_tos || entry->key_present.ip_protocol)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.ip_protocol);		// Byte 0
+		HASH_PUSH_BYTE(cp, entry->key.ip_tos);			// Byte 1
+		HASH_PUSH_BYTE(cp, entry->key.ipv4_hdrlen);		// Byte 2
+		HASH_PUSH_BYTE(cp, 0);							// Byte 3
+	}
+
+	if (entry->key_present.ipv6_flow_label)
+	{
+		HASH_PUSH_DWORD(cp, entry->key.ipv6_flow_label);	// low word
+	}
+	if (entry->key_present.sip)
+	{
+		// input (entry->key.sip[i]) is network-oriented
+		// output (hash key) is host-oriented
+		for (i=3; i>=0; i--)
+			HASH_PUSH_BYTE(cp, entry->key.sip[i]);
+		if (entry->key.ipv6)
+		{
+			for (i=4; i<16; i+=4)
+			{
+				for (j=i+3; j>=i; j--)
+					HASH_PUSH_BYTE(cp, entry->key.sip[j]);
+			}
+		}
+	}
+	if (entry->key_present.dip)
+	{
+		// input (entry->key.sip[i]) is network-oriented
+		// output (hash key) is host-oriented
+		for (i=3; i>=0; i--)
+			HASH_PUSH_BYTE(cp, entry->key.dip[i]);
+		if (entry->key.ipv6)
+		{
+			for (i=4; i<16; i+=4)
+			{
+				for (j=i+3; j>=i; j--)
+					HASH_PUSH_BYTE(cp, entry->key.dip[j]);
+			}
+		}
+	}
+
+	if (entry->key_present.l4_bytes_0_3)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]);
+	}
+	if (entry->key_present.l4_bytes_4_7)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[4]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[5]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[6]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[7]);
+	}
+	if (entry->key_present.l4_bytes_8_11)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[8]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[9]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[10]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[11]);
+	}
+	if (entry->key_present.l4_bytes_12_15)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[12]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[13]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[14]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[15]);
+	}
+	if (entry->key_present.l4_bytes_16_19)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[16]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[17]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[18]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[19]);
+	}
+	if (entry->key_present.l4_bytes_20_23)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[20]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[21]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[22]);
+		HASH_PUSH_BYTE(cp, entry->key.l4_bytes[23]);
+	}
+	if (entry->key_present.l7_bytes_0_3)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[0]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[1]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[2]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[3]);
+	}
+	if (entry->key_present.l7_bytes_4_7)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[4]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[5]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[6]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[7]);
+	}
+	if (entry->key_present.l7_bytes_8_11)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[8]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[9]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[10]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[11]);
+	}
+	if (entry->key_present.l7_bytes_12_15)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[12]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[13]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[14]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[15]);
+	}
+	if (entry->key_present.l7_bytes_16_19)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[16]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[17]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[18]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[19]);
+	}
+	if (entry->key_present.l7_bytes_20_23)
+	{
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[20]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[21]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[22]);
+		HASH_PUSH_BYTE(cp, entry->key.l7_bytes[23]);
+	}
+
+	// get hash index
+	total = (u32)((u32)cp - (u32)destp) / (sizeof(u32));
+
+	if (total > HASH_MAX_KEY_DWORD)
+	{
+		//hash_printf("Total key words (%d) is too large (> %d)!\n",
+		//				total, HASH_MAX_KEY_DWORD);
+		return -1;
+	}
+
+	if (entry->key_present.port || entry->key_present.Ethertype)
+		index = hash_gen_crc16((unsigned char *)destp, total * 4);
+	else
+	{
+		if (total == 1)
+		{
+			hash_printf("No key is assigned!\n");
+			return -1;
+		}
+
+		index = hash_gen_crc16((unsigned char *)(destp+1), (total-1) * 4);
+	}
+
+	entry->index = index & HASH_BITS_MASK;
+
+	//hash_printf("Total key words = %d, Hash Index= %d\n",
+	//				total, entry->index);
+
+	cp = (unsigned char *)destp;
+	cp+=3;
+	HASH_PUSH_BYTE(cp, entry->rule);	// rule
+
+	entry->total_dwords = total;
+
+	return total;
+}
+
+/*----------------------------------------------------------------------
+* hash_build_nat_keys
+*----------------------------------------------------------------------*/
+void hash_build_nat_keys(u32 *destp, HASH_ENTRY_T *entry)
+{
+	unsigned char 	*cp;
+	int				i;
+	unsigned short 	index;
+	int 			total;
+
+	memset((void *)destp, 0, HASH_MAX_BYTES);
+
+	cp = (unsigned char *)destp + 2;
+	HASH_PUSH_BYTE(cp, entry->key.port);
+	cp++;
+
+	if (entry->key_present.pppoe_sid || entry->key_present.vlan_id)
+	{
+		HASH_PUSH_WORD(cp, entry->key.vlan_id);		// low word
+		HASH_PUSH_WORD(cp, entry->key.pppoe_sid);	// high word
+	}
+
+	HASH_PUSH_BYTE(cp, entry->key.ip_protocol);
+	cp+=3;
+
+	// input (entry->key.sip[i]) is network-oriented
+	// output (hash key) is host-oriented
+	for (i=3; i>=0; i--)
+		HASH_PUSH_BYTE(cp, entry->key.sip[i]);
+
+	// input (entry->key.sip[i]) is network-oriented
+	// output (hash key) is host-oriented
+	for (i=3; i>=0; i--)
+		HASH_PUSH_BYTE(cp, entry->key.dip[i]);
+
+	HASH_PUSH_BYTE(cp, entry->key.l4_bytes[0]);
+	HASH_PUSH_BYTE(cp, entry->key.l4_bytes[1]);
+	HASH_PUSH_BYTE(cp, entry->key.l4_bytes[2]);
+	HASH_PUSH_BYTE(cp, entry->key.l4_bytes[3]);
+
+	// get hash index
+	total = (u32)((u32)cp - (u32)destp) / (sizeof(u32));
+
+	index = hash_gen_crc16((unsigned char *)destp, total * 4);
+	entry->index = index & ((1 << HASH_BITS) - 1);
+
+	cp = (unsigned char *)destp;
+	cp+=3;
+	HASH_PUSH_BYTE(cp, entry->rule);	// rule
+
+	entry->total_dwords = total;
+}
+
+
+/*----------------------------------------------------------------------
+* hash_write_entry
+*----------------------------------------------------------------------*/
+int hash_write_entry(HASH_ENTRY_T *entry, unsigned char *key)
+{
+	int		i;
+	u32		*srcep, *destp, *destp2;
+
+	srcep = (u32 *)key;
+	destp2 = destp = (u32 *)&hash_tables[entry->index][0];
+
+	for (i=0; i<(entry->total_dwords); i++, srcep++, destp++)
+		*destp = *srcep;
+
+	srcep = (u32 *)&entry->action;
+	*destp++ = *srcep;
+
+	srcep = (u32 *)&entry->param;
+	for (i=0; i<(sizeof(ENTRY_PARAM_T)/sizeof(*destp)); i++, srcep++, destp++)
+		*destp = *srcep;
+
+	memset(destp, 0, (HASH_MAX_DWORDS-entry->total_dwords-HASH_ACTION_DWORDS) * sizeof(u32));
+
+	consistent_sync(destp2, (entry->total_dwords+HASH_ACTION_DWORDS) * 4, PCI_DMA_TODEVICE);
+	return 0;
+}
+
+/*----------------------------------------------------------------------
+* hash_timer_func
+*----------------------------------------------------------------------*/
+static void hash_timer_func(u32 data)
+{
+	int				i, j;
+	volatile u32	*active_p, *own_p, *valid_p;
+	u32				a_bits, own_bits;
+
+	valid_p = (volatile u32 *)TOE_V_BIT_BASE;
+	active_p = (volatile u32 *)hash_activate_bits;
+	own_p = (volatile u32 *)hash_nat_owner_bits;
+	for (i=0; i<(HASH_TOTAL_ENTRIES/32); i++, own_p++, active_p++, valid_p++)
+	{
+		*active_p |= readl(TOE_A_BIT_BASE + (i*4));
+		a_bits = *active_p;
+		own_bits = *own_p;
+		if (own_bits)
+		{
+#ifndef DEBUG_NAT_MIXED_HW_SW_TX
+			a_bits = own_bits & ~a_bits;
+#else
+			a_bits = own_bits & a_bits;
+#endif
+			for (j=0; a_bits && j<32; j++)
+			{
+				if (a_bits & 1)
+				{
+					*valid_p &= ~(1 << j);		// invalidate it
+#if !(defined(NAT_DEBUG_LAN_HASH_TIMEOUT) || defined(NAT_DEBUG_WAN_HASH_TIMEOUT))
+					*own_p &= ~(1 << j);		// release ownership for NAT
+#endif
+// #ifdef DEBUG_NAT_MIXED_HW_SW_TX
+#if 0
+					hash_printf("%lu %s: Clear hash index: %d\n", jiffies/HZ, __func__, i*32+j);
+#endif
+				}
+				a_bits >>= 1;
+			}
+			*active_p &= ~own_bits;		// deactivate it for next polling
+		}
+	}
+
+	hash_timer_obj.expires = jiffies + HASH_TIMER_PERIOD;
+	add_timer((struct timer_list *)data);
+}
+
+/*----------------------------------------------------------------------
+* dm_long
+*----------------------------------------------------------------------*/
+void dm_long(u32 location, int length)
+{
+	u32		*start_p, *curr_p, *end_p;
+	u32		*datap, data;
+	int		i;
+
+	//if (length > 1024)
+	//	length = 1024;
+
+	start_p = (u32 *)location;
+	end_p = (u32 *)location + length;
+	curr_p = (u32 *)((u32)location & 0xfffffff0);
+	datap = (u32 *)location;
+	while (curr_p < end_p)
+	{
+		hash_printf("0x%08x: ",(u32)curr_p & 0xfffffff0);
+		for (i=0; i<4; i++)
+		{
+			if (curr_p < start_p || curr_p >= end_p)
+               hash_printf("         ");
+			else
+			{
+				data = *datap;
+				hash_printf("%08X ", data);
+			}
+			if (i==1)
+              hash_printf("- ");
+
+			curr_p++;
+			datap++;
+		}
+        hash_printf("\n");
+	}
+}
+
+/*----------------------------------------------------------------------
+* hash_dump_entry
+*----------------------------------------------------------------------*/
+void hash_dump_entry(int index)
+{
+	hash_printf("Hash Index %d:\n", index);
+	dm_long((u32)&hash_tables[index][0], HASH_MAX_DWORDS);
+}
+
+
--- /dev/null
+++ b/drivers/net/sl_switch.c
@@ -0,0 +1,650 @@
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/delay.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+
+#define GMAC_GLOBAL_BASE_ADDR       (IO_ADDRESS(SL2312_GLOBAL_BASE))
+#define GPIO_BASE_ADDR1  (IO_ADDRESS(SL2312_GPIO_BASE1))
+enum GPIO_REG
+{
+    GPIO_DATA_OUT   = 0x00,
+    GPIO_DATA_IN    = 0x04,
+    GPIO_PIN_DIR    = 0x08,
+    GPIO_BY_PASS    = 0x0c,
+    GPIO_DATA_SET   = 0x10,
+    GPIO_DATA_CLEAR = 0x14,
+};
+
+#define GMAC_SPEED_10			0
+#define GMAC_SPEED_100			1
+#define GMAC_SPEED_1000			2
+
+enum phy_state
+{
+    LINK_DOWN   = 0,
+    LINK_UP     = 1
+};
+
+#ifndef BIT
+#define BIT(x)						(1 << (x))
+#endif
+
+//int Get_Set_port_status();
+unsigned int SPI_read_bit(void);
+void SPI_write_bit(char bit_EEDO);
+void SPI_write(unsigned char block,unsigned char subblock,unsigned char addr,unsigned int value);
+unsigned int SPI_read(unsigned char block,unsigned char subblock,unsigned char addr);
+int SPI_default(void);
+void SPI_CS_enable(unsigned char enable);
+unsigned int SPI_get_identifier(void);
+void phy_write(unsigned char port_no,unsigned char reg,unsigned int val);
+unsigned int phy_read(unsigned char port_no,unsigned char reg);
+void phy_write_masked(unsigned char port_no,unsigned char reg,unsigned int val,unsigned int mask);
+void init_seq_7385(unsigned char port_no) ;
+void phy_receiver_init (unsigned char port_no);
+
+#define PORT_NO		4
+int switch_pre_speed[PORT_NO]={0,0,0,0};
+int switch_pre_link[PORT_NO]={0,0,0,0};
+
+
+
+
+
+/*				NOTES
+ *   The Protocol of the SPI are as follows:
+ *
+ *     		   Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
+ *	byte0     |   Block id  | r/w | sub-block        |
+ *	byte1     |		Address			 |
+ *	byte2	  |		Data			 |
+ *	byte3	  |		Data			 |
+ *	byte4	  |		Data			 |
+ *	byte5	  |		Data			 |
+ */
+
+
+
+
+/***************************************/
+/* define GPIO module base address     */
+/***************************************/
+#define GPIO_EECS	     0x80000000		/*   EECS: GPIO[22]   */
+#define GPIO_MOSI	     0x20000000         /*   EEDO: GPIO[29]   send to 6996*/
+#define GPIO_MISO	     0x40000000         /*   EEDI: GPIO[30]   receive from 6996*/
+#define GPIO_EECK	     0x10000000         /*   EECK: GPIO[31]   */
+
+/*************************************************************
+* SPI protocol for ADM6996 control
+**************************************************************/
+#define SPI_OP_LEN	     0x08		// the length of start bit and opcode
+#define SPI_OPWRITE	     0X05		// write
+#define SPI_OPREAD	     0X06		// read
+#define SPI_OPERASE	     0X07		// erase
+#define SPI_OPWTEN	     0X04		// write enable
+#define SPI_OPWTDIS	     0X04		// write disable
+#define SPI_OPERSALL	     0X04		// erase all
+#define SPI_OPWTALL	     0X04		// write all
+
+#define SPI_ADD_LEN	     8			// bits of Address
+#define SPI_DAT_LEN	     32			// bits of Data
+
+
+/****************************************/
+/*	Function Declare		*/
+/****************************************/
+
+//unsigned int SPI_read_bit(void);
+//void SPI_write_bit(char bit_EEDO);
+//unsigned int SPI_read_bit(void);
+/******************************************
+* SPI_write
+* addr -> Write Address
+* value -> value to be write
+***************************************** */
+void phy_receiver_init (unsigned char port_no)
+{
+    phy_write(port_no,31,0x2a30);
+    phy_write_masked(port_no, 12, 0x0200, 0x0300);
+    phy_write(port_no,31,0);
+}
+
+void phy_write(unsigned char port_no,unsigned char reg,unsigned int val)
+{
+	unsigned int cmd;
+
+	cmd = (port_no<<21)|(reg<<16)|val;
+	SPI_write(3,0,1,cmd);
+}
+
+unsigned int phy_read(unsigned char port_no,unsigned char reg)
+{
+	unsigned int cmd,reg_val;
+
+	cmd = BIT(26)|(port_no<<21)|(reg<<16);
+	SPI_write(3,0,1,cmd);
+	msleep(2);
+	reg_val = SPI_read(3,0,2);
+	return reg_val;
+}
+
+void phy_write_masked(unsigned char port_no,unsigned char reg,unsigned int val,unsigned int mask)
+{
+	unsigned int cmd,reg_val;
+
+	cmd = BIT(26)|(port_no<<21)|(reg<<16);	// Read reg_val
+	SPI_write(3,0,1,cmd);
+	mdelay(2);
+	reg_val = SPI_read(3,0,2);
+	reg_val &= ~mask;			// Clear masked bit
+	reg_val |= (val&mask) ;			// set masked bit ,if true
+	cmd = (port_no<<21)|(reg<<16)|reg_val;
+	SPI_write(3,0,1,cmd);
+}
+
+void init_seq_7385(unsigned char port_no)
+{
+	unsigned char rev;
+
+	phy_write(port_no, 31, 0x2a30);
+	phy_write_masked(port_no, 8, 0x0200, 0x0200);
+	phy_write(port_no, 31, 0x52b5);
+	phy_write(port_no, 16, 0xb68a);
+	phy_write_masked(port_no, 18, 0x0003, 0xff07);
+	phy_write_masked(port_no, 17, 0x00a2, 0x00ff);
+	phy_write(port_no, 16, 0x968a);
+	phy_write(port_no, 31, 0x2a30);
+	phy_write_masked(port_no, 8, 0x0000, 0x0200);
+	phy_write(port_no, 31, 0x0000); /* Read revision */
+	rev = phy_read(port_no, 3) & 0x000f;
+	if (rev == 0)
+	{
+		phy_write(port_no, 31, 0x2a30);
+		phy_write_masked(port_no, 8, 0x0200, 0x0200);
+		phy_write(port_no, 31, 0x52b5);
+		phy_write(port_no, 18, 0x0000);
+		phy_write(port_no, 17, 0x0689);
+		phy_write(port_no, 16, 0x8f92);
+		phy_write(port_no, 31, 0x52B5);
+		phy_write(port_no, 18, 0x0000);
+		phy_write(port_no, 17, 0x0E35);
+		phy_write(port_no, 16, 0x9786);
+		phy_write(port_no, 31, 0x2a30);
+		phy_write_masked(port_no, 8, 0x0000, 0x0200);
+		phy_write(port_no, 23, 0xFF80);
+		phy_write(port_no, 23, 0x0000);
+	}
+	phy_write(port_no, 31, 0x0000);
+	phy_write(port_no, 18, 0x0048);
+	if (rev == 0)
+	{
+		phy_write(port_no, 31, 0x2a30);
+		phy_write(port_no, 20, 0x6600);
+		phy_write(port_no, 31, 0x0000);
+		phy_write(port_no, 24, 0xa24e);
+	}
+	else
+	{
+		phy_write(port_no, 31, 0x2a30);
+		phy_write_masked(port_no, 22, 0x0240, 0x0fc0);
+		phy_write_masked(port_no, 20, 0x4000, 0x6000);
+		phy_write(port_no, 31, 1);
+		phy_write_masked(port_no, 20, 0x6000, 0xe000);
+		phy_write(port_no, 31, 0x0000);
+	}
+}
+
+int Get_Set_port_status()
+{
+	unsigned int    reg_val,ability,rcv_mask,mac_config;
+	int is_link=0;
+	int i;
+
+ 	rcv_mask = SPI_read(2,0,0x10);			// Receive mask
+
+	for(i=0;i<4;i++){
+		reg_val = phy_read(i,1);
+		if ((reg_val & 0x0024) == 0x0024) /* link is established and auto_negotiate process completed */
+		{
+			is_link=1;
+			if(switch_pre_link[i]==LINK_DOWN){		// Link Down ==> Link up
+
+				rcv_mask |= BIT(i);			// Enable receive
+
+				reg_val = phy_read(i,10);
+				if(reg_val & 0x0c00){
+					printk("Port%d:Giga mode\n",i);
+//					SPI_write(1,i,0x00,0x300701B1);
+					mac_config = 0x00060004|(6<<6);
+
+					SPI_write(1,i,0x00,((mac_config & 0xfffffff8) | 1) | 0x20000030);	// reset port
+					mac_config |= (( BIT(i) << 19) | 0x08000000);
+					SPI_write(1,i,0x00,mac_config);
+					SPI_write(1,i,0x04,0x000300ff);		// flow control
+
+					reg_val = SPI_read(5,0,0x12);
+					reg_val &= ~BIT(i);
+					SPI_write(5,0,0x12,reg_val);
+
+					reg_val = SPI_read(1,i,0x00);
+					reg_val |= 0x10010000;
+					SPI_write(1,i,0x00,reg_val);
+//					SPI_write(1,i,0x00,0x10070181);
+					switch_pre_link[i]=LINK_UP;
+					switch_pre_speed[i]=GMAC_SPEED_1000;
+				}
+				else{
+					reg_val = phy_read(i,5);
+					ability = (reg_val&0x5e0) >>5;
+					if ((ability & 0x0C)) /* 100M */
+					{
+//						SPI_write(1,i,0x00,0x30050472);
+						if((ability&0x08)==0) 		// Half
+							mac_config = 0x00040004 |(17<<6);
+						else				// Full
+							mac_config = 0x00040004 |(17<<6);
+
+						SPI_write(1,i,0x00,((mac_config & 0xfffffff8) | 1) | 0x20000030);	// reset port
+						mac_config |= (( BIT(i) << 19) | 0x08000000);
+						SPI_write(1,i,0x00,mac_config);
+						SPI_write(1,i,0x04,0x000300ff);		// flow control
+
+						reg_val = SPI_read(5,0,0x12);
+						reg_val &= ~BIT(i);
+						SPI_write(5,0,0x12,reg_val);
+
+						reg_val = SPI_read(1,i,0x00);
+						reg_val &= ~0x08000000;
+						reg_val |= 0x10010000;
+						SPI_write(1,i,0x00,reg_val);
+//						SPI_write(1,i,0x00,0x10050442);
+						printk("Port%d:100M\n",i);
+						switch_pre_link[i]=LINK_UP;
+						switch_pre_speed[i]=GMAC_SPEED_100;
+					}
+					else if((ability & 0x03)) /* 10M */
+					{
+//						SPI_write(1,i,0x00,0x30050473);
+						if((ability&0x2)==0)		// Half
+							mac_config = 0x00040004 |(17<<6);
+						else				// Full
+							mac_config = 0x00040004 |(17<<6);
+
+						SPI_write(1,i,0x00,((mac_config & 0xfffffff8) | 1) | 0x20000030);	// reset port
+						mac_config |= (( BIT(i) << 19) | 0x08000000);
+						SPI_write(1,i,0x00,mac_config);
+						SPI_write(1,i,0x04,0x000300ff);		// flow control
+
+						reg_val = SPI_read(5,0,0x12);
+						reg_val &= ~BIT(i);
+						SPI_write(5,0,0x12,reg_val);
+
+						reg_val = SPI_read(1,i,0x00);
+						reg_val &= ~0x08000000;
+						reg_val |= 0x10010000;
+						SPI_write(1,i,0x00,reg_val);
+//						SPI_write(1,i,0x00,0x10050443);
+						printk("Port%d:10M\n",i);
+						switch_pre_link[i]=LINK_UP;
+						switch_pre_speed[i]=GMAC_SPEED_10;
+					}
+					else{
+						SPI_write(1,i,0x00,0x20000030);
+						printk("Port%d:Unknown mode\n",i);
+						switch_pre_link[i]=LINK_DOWN;
+						switch_pre_speed[i]=GMAC_SPEED_10;
+					}
+				}
+			}
+			else{						// Link up ==> Link UP
+
+			}
+		}
+		else{							// Link Down
+			if(switch_pre_link[i]==LINK_UP){
+				printk("Port%d:Link Down\n",i);
+				//phy_receiver_init(i);
+				reg_val = SPI_read(1,i,0);
+				reg_val &= ~BIT(16);
+				SPI_write(1,i,0x00,reg_val);			// disable RX
+				SPI_write(5,0,0x0E,BIT(i));			// dicard packet
+				while((SPI_read(5,0,0x0C)&BIT(i))==0)		// wait to be empty
+					msleep(1);
+				SPI_write(1,i,0x00,0x20000030);			// PORT_RST
+				SPI_write(5,0,0x0E,SPI_read(5,0,0x0E) & ~BIT(i));// accept packet
+
+				reg_val = SPI_read(5,0,0x12);
+				reg_val |= BIT(i);
+				SPI_write(5,0,0x12,reg_val);
+			}
+			switch_pre_link[i]=LINK_DOWN;
+			rcv_mask &= ~BIT(i);			// disable receive
+		}
+	}
+
+	SPI_write(2,0,0x10,rcv_mask);			// Receive mask
+	return is_link;
+
+}
+EXPORT_SYMBOL(Get_Set_port_status);
+
+void SPI_write(unsigned char block,unsigned char subblock,unsigned char addr,unsigned int value)
+{
+	int     i;
+	char    bit;
+	unsigned int data;
+
+	SPI_CS_enable(1);
+
+	data = (block<<5) | 0x10 | subblock;
+
+	//send write command
+	for(i=SPI_OP_LEN-1;i>=0;i--)
+	{
+		bit = (data>>i)& 0x01;
+		SPI_write_bit(bit);
+	}
+
+	// send 8 bits address (MSB first, LSB last)
+	for(i=SPI_ADD_LEN-1;i>=0;i--)
+	{
+		bit = (addr>>i)& 0x01;
+		SPI_write_bit(bit);
+	}
+	// send 32 bits data (MSB first, LSB last)
+	for(i=SPI_DAT_LEN-1;i>=0;i--)
+	{
+		bit = (value>>i)& 0x01;
+		SPI_write_bit(bit);
+	}
+
+	SPI_CS_enable(0);	// CS low
+
+}
+
+
+/************************************
+* SPI_write_bit
+* bit_EEDO -> 1 or 0 to be written
+************************************/
+void SPI_write_bit(char bit_EEDO)
+{
+	unsigned int addr;
+	unsigned int value;
+
+	addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR);
+	value = readl(addr) |GPIO_EECK |GPIO_MOSI ;   /* set EECK/MISO Pin to output */
+	writel(value,addr);
+	if(bit_EEDO)
+	{
+		addr = (GPIO_BASE_ADDR1 + GPIO_DATA_SET);
+		writel(GPIO_MOSI,addr); /* set MISO to 1 */
+
+	}
+	else
+	{
+		addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
+		writel(GPIO_MOSI,addr); /* set MISO to 0 */
+	}
+	addr = (GPIO_BASE_ADDR1 + GPIO_DATA_SET);
+	writel(GPIO_EECK,addr); /* set EECK to 1 */
+	addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
+	writel(GPIO_EECK,addr); /* set EECK to 0 */
+
+	//return ;
+}
+
+/**********************************************************************
+* read a bit from ADM6996 register
+***********************************************************************/
+unsigned int SPI_read_bit(void) // read data from
+{
+	unsigned int addr;
+	unsigned int value;
+
+	addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR);
+	value = readl(addr) & (~GPIO_MISO);   // set EECK to output and MISO to input
+	writel(value,addr);
+
+	addr =(GPIO_BASE_ADDR1 + GPIO_DATA_SET);
+	writel(GPIO_EECK,addr); // set EECK to 1
+
+
+	addr = (GPIO_BASE_ADDR1 + GPIO_DATA_IN);
+	value = readl(addr) ;
+
+	addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
+	writel(GPIO_EECK,addr); // set EECK to 0
+
+
+	value = value >> 30;
+	return value ;
+}
+
+/******************************************
+* SPI_default
+* EEPROM content default value
+*******************************************/
+int SPI_default(void)
+{
+	int i;
+	unsigned reg_val,cmd;
+
+#if 0
+	SPI_write(7,0,0x1C,0x01);				// map code space to 0
+
+	reg_val = SPI_read(7,0,0x10);
+	reg_val |= 0x0146;
+	reg_val &= ~0x0001;
+	SPI_write(7,0,0x10,reg_val);				// reset iCPU and enable ext_access
+	SPI_write(7,0,0x11,0x0000);				// start address
+	for(i=0;i<sizeof(vts_img);i++){
+		SPI_write(7,0,0x12,vts_img[i]);			// fill in ROM data
+	}
+	reg_val |= BIT(0)|BIT(3);
+	SPI_write(7,0,0x10,reg_val);				// release iCPU
+	SPI_write(7,0,0x10,SPI_read(7,0,0x10)&~BIT(7));				// release iCPU
+	return ;
+#endif
+
+
+	for(i=0;i<15;i++){
+		if(i!=6 && i!=7)
+			SPI_write(3,2,0,0x1010400+i);		// Initial memory
+		mdelay(1);
+	}
+
+	mdelay(30);
+
+	SPI_write(2,0,0xB0,0x05);			// Clear MAC table
+	SPI_write(2,0,0xD0,0x03);			// Clear VLAN
+
+	//for(i=0;i<5;i++)
+	SPI_write(1,6,0x19,0x2C);			// Double Data rate
+
+	for(i=0;i<4;i++){
+		SPI_write(1,i,0x00,0x30050472);		// MAC configure
+		SPI_write(1,i,0x00,0x10050442);		// MAC configure
+		SPI_write(1,i,0x10,0x5F4);		// Max length
+		SPI_write(1,i,0x04,0x00030000);		// Flow control
+		SPI_write(1,i,0xDF,0x00000001);		// Flow control
+		SPI_write(1,i,0x08,0x000050c2);		// Flow control mac high
+		SPI_write(1,i,0x0C,0x002b00f1);		// Flow control mac low
+		SPI_write(1,i,0x6E,BIT(3));		// forward pause frame
+	}
+	SPI_write(1,i,0x00,0x20000030);			// set port 4 as reset
+
+	SPI_write(1,6,0x00,0x300701B1);			// MAC configure
+	SPI_write(1,6,0x00,0x10070181);			// MAC configure
+	SPI_write(1,6,0x10,0x5F4);			// Max length
+	SPI_write(1,6,0x04,0x00030000);		// Flow control
+	SPI_write(1,6,0xDF,0x00000002);		// Flow control
+	SPI_write(1,6,0x08,0x000050c2);		// Flow control mac high
+	SPI_write(1,6,0x0C,0x002b00f1);		// Flow control mac low
+	SPI_write(1,6,0x6E,BIT(3));		// forward pause frame
+
+
+	//SPI_write(7,0,0x05,0x31);			// MII delay for loader
+	//SPI_write(7,0,0x05,0x01);			// MII delay for kernel
+	SPI_write(7,0,0x05,0x33);
+
+	SPI_write(2,0,0x10,0x4F);			// Receive mask
+
+	mdelay(50);
+
+	SPI_write(7,0,0x14,0x02);			// Release Reset
+
+	mdelay(3);
+
+	for(i=0;i<4;i++){
+		init_seq_7385(i);
+		phy_receiver_init(i);
+		cmd = BIT(26)|(i<<21)|(0x1B<<16);	// Config LED
+		SPI_write(3,0,1,cmd);
+		mdelay(10);
+		reg_val = SPI_read(3,0,2);
+		reg_val &= 0xFF00;
+		reg_val |= 0x61;
+		cmd = (i<<21)|(0x1B<<16)|reg_val;
+		SPI_write(3,0,1,cmd);
+
+		cmd = BIT(26)|(i<<21)|(0x04<<16);	// Pause enable
+		SPI_write(3,0,1,cmd);
+		mdelay(10);
+		reg_val = SPI_read(3,0,2);
+		reg_val |= BIT(10)|BIT(11);
+		cmd = (i<<21)|(0x04<<16)|reg_val;
+		SPI_write(3,0,1,cmd);
+
+		cmd = BIT(26)|(i<<21)|(0x0<<16);	// collision test and re-negotiation
+		SPI_write(3,0,1,cmd);
+		mdelay(10);
+		reg_val = SPI_read(3,0,2);
+		reg_val |= BIT(7)|BIT(8)|BIT(9);
+		cmd = (i<<21)|(0x0<<16)|reg_val;
+		SPI_write(3,0,1,cmd);
+	}
+	init_seq_7385(i);
+	writel(0x5787a7f0,GMAC_GLOBAL_BASE_ADDR+0x1c);//For switch timing
+	return 4;		// return port_no
+}
+EXPORT_SYMBOL(SPI_default);
+
+/***********************************************************
+* SPI_CS_enable
+* before access ,you have to enable Chip Select. (pull high)
+* When fisish, you should pull low !!
+*************************************************************/
+void SPI_CS_enable(unsigned char enable)
+{
+
+	unsigned int addr,value;
+
+	addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR);
+	value = readl(addr) |GPIO_EECS |GPIO_EECK;   /* set EECS/EECK Pin to output */
+	writel(value,addr);
+
+	if(enable)
+	{
+		addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
+		writel(GPIO_EECK,addr); /* set EECK to 0 */	// pull low clk first
+		addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
+		writel(GPIO_EECS,addr); /* set EECS to 0 */
+
+	}
+	else
+	{
+		addr = (GPIO_BASE_ADDR1 + GPIO_DATA_SET);
+		writel(GPIO_EECK,addr); /* set EECK to 1 */	// pull high clk before disable
+		writel(GPIO_EECS,addr); /* set EECS to 1 */
+	}
+}
+
+
+/************************************************
+* SPI_read
+* table -> which table to be read: 1/count  0/EEPROM
+* addr  -> Address to be read
+* return : Value of the register
+*************************************************/
+unsigned int SPI_read(unsigned char block,unsigned char subblock,unsigned char addr)
+{
+	int     i;
+	char    bit;
+	unsigned int data,value=0;
+
+	SPI_CS_enable(1);
+
+	data = (block<<5) | subblock;
+
+	//send write command
+	for(i=SPI_OP_LEN-1;i>=0;i--)
+	{
+		bit = (data>>i)& 0x01;
+		SPI_write_bit(bit);
+	}
+
+	// send 8 bits address (MSB first, LSB last)
+	for(i=SPI_ADD_LEN-1;i>=0;i--)
+	{
+		bit = (addr>>i)& 0x01;
+		SPI_write_bit(bit);
+	}
+
+	// dummy read for chip ready
+	for(i=0;i<8;i++)
+		SPI_read_bit();
+
+
+	// read 32 bits data (MSB first, LSB last)
+	for(i=SPI_DAT_LEN-1;i>=0;i--)
+	{
+		bit = SPI_read_bit();
+		value |= bit<<i;
+	}
+
+	SPI_CS_enable(0);	// CS low
+	return(value);
+
+}
+
+void pull_low_gpio(unsigned int val)
+{
+
+	unsigned int addr,value;
+
+	addr = (GPIO_BASE_ADDR1 + GPIO_DATA_CLEAR);
+	writel(val,addr); /* set pin low to save power*/
+
+	addr = (GPIO_BASE_ADDR1 + GPIO_PIN_DIR);
+	value = readl(addr) & ~ val;   /* set Pin to input */
+	writel(value,addr);
+
+//	value = readl(GMAC_GLOBAL_BASE_ADDR+0x0C);	// reset GPIO1 module(self clear)
+//	value |= BIT(21);
+//	writel(value,GMAC_GLOBAL_BASE_ADDR+0x0C);
+}
+
+unsigned int SPI_get_identifier(void)
+{
+	unsigned int flag=0;
+
+	SPI_write(7,0,0x01,0x01);
+	flag = SPI_read(7,0,0x18);  // chip id
+	if((flag & 0x0ffff000)==0x07385000){
+		printk("Get VSC-switch ID 0x%08x\n",flag);
+		//Giga_switch = 1;;
+		return 1;
+	}
+	else{
+		printk("VSC-switch not found\n");
+		//Giga_switch = 0;
+		pull_low_gpio(GPIO_EECK|GPIO_MOSI|GPIO_MISO|GPIO_EECS); // reduce power consume
+		return 0;
+	}
+}
+EXPORT_SYMBOL(SPI_get_identifier);
+
--- /dev/null
+++ b/include/asm-arm/arch-sl2312/sl351x_gmac.h
@@ -0,0 +1,2223 @@
+/****************************************************************************
+* Copyright 2006 StorLink Semiconductors, Inc.  All rights reserved.
+*--------------------------------------------------------------------------
+* Name			: sl351x_gmac.h
+* Description	:
+*		Define for device driver of Storlink SL351x network Engine
+*
+* Historych
+*
+*	Date		Writer		Description
+*	-----------	-----------	-------------------------------------------------
+*	08/22/2005	Gary Chen	Create and implement
+*
+****************************************************************************/
+#ifndef _GMAC_SL351x_H
+#define _GMAC_SL351x_H
+#include <linux/skbuff.h>
+
+#define SL351x_GMAC_WORKAROUND		1
+
+#undef BIG_ENDIAN
+#define BIG_ENDIAN  				0
+#define GMAC_DEBUG      			1
+#define GMAC_NUM					2
+//#define	L2_jumbo_frame				1
+
+#define _PACKED_					__attribute__ ((aligned(1), packed))
+
+#ifndef BIT
+#define BIT(x)						(1 << (x))
+#endif
+
+#define REG32(addr)     			(*(volatile unsigned long  * const)(addr))
+
+#define DMA_MALLOC(size,handle)		pci_alloc_consistent(NULL,size,handle)
+#define DMA_MFREE(mem,size,handle)	pci_free_consistent(NULL,size,mem,handle)
+
+// Define frame size
+#define ETHER_ADDR_LEN				6
+#define GMAC_MAX_ETH_FRAME_SIZE		1514
+#define GMAC_TX_BUF_SIZE			((GMAC_MAX_ETH_FRAME_SIZE + 31) & (~31))
+#define MAX_ISR_WORK        		20
+
+#ifdef	L2_jumbo_frame
+#define SW_RX_BUF_SIZE				9234	// 2048 ,9234
+#else
+#define SW_RX_BUF_SIZE				1536	// 2048
+#endif
+
+#define HW_RX_BUF_SIZE				1536	// 2048
+
+#define GMAC_DEV_TX_TIMEOUT  		(10*HZ)			//add by CH
+#define	SKB_RESERVE_BYTES			16
+
+/**********************************************************************
+ * Base Register
+ **********************************************************************/
+#define TOE_BASE					(IO_ADDRESS(SL2312_TOE_BASE))
+#define GMAC_GLOBAL_BASE_ADDR       (IO_ADDRESS(SL2312_GLOBAL_BASE))
+
+#define TOE_GLOBAL_BASE				(TOE_BASE + 0x0000)
+#define TOE_NONTOE_QUE_HDR_BASE		(TOE_BASE + 0x2000)
+#define TOE_TOE_QUE_HDR_BASE		(TOE_BASE + 0x3000)
+#define TOE_V_BIT_BASE				(TOE_BASE + 0x4000)
+#define TOE_A_BIT_BASE				(TOE_BASE + 0x6000)
+#define TOE_GMAC0_DMA_BASE			(TOE_BASE + 0x8000)
+#define TOE_GMAC0_BASE				(TOE_BASE + 0xA000)
+#define TOE_GMAC1_DMA_BASE			(TOE_BASE + 0xC000)
+#define TOE_GMAC1_BASE				(TOE_BASE + 0xE000)
+
+/**********************************************************************
+ * Queue ID
+ **********************************************************************/
+#define TOE_SW_FREE_QID				0x00
+#define TOE_HW_FREE_QID				0x01
+#define TOE_GMAC0_SW_TXQ0_QID		0x02
+#define TOE_GMAC0_SW_TXQ1_QID		0x03
+#define TOE_GMAC0_SW_TXQ2_QID		0x04
+#define TOE_GMAC0_SW_TXQ3_QID		0x05
+#define TOE_GMAC0_SW_TXQ4_QID		0x06
+#define TOE_GMAC0_SW_TXQ5_QID		0x07
+#define TOE_GMAC0_HW_TXQ0_QID		0x08
+#define TOE_GMAC0_HW_TXQ1_QID		0x09
+#define TOE_GMAC0_HW_TXQ2_QID		0x0A
+#define TOE_GMAC0_HW_TXQ3_QID		0x0B
+#define TOE_GMAC1_SW_TXQ0_QID		0x12
+#define TOE_GMAC1_SW_TXQ1_QID		0x13
+#define TOE_GMAC1_SW_TXQ2_QID		0x14
+#define TOE_GMAC1_SW_TXQ3_QID		0x15
+#define TOE_GMAC1_SW_TXQ4_QID		0x16
+#define TOE_GMAC1_SW_TXQ5_QID		0x17
+#define TOE_GMAC1_HW_TXQ0_QID		0x18
+#define TOE_GMAC1_HW_TXQ1_QID		0x19
+#define TOE_GMAC1_HW_TXQ2_QID		0x1A
+#define TOE_GMAC1_HW_TXQ3_QID		0x1B
+#define TOE_GMAC0_DEFAULT_QID		0x20
+#define TOE_GMAC1_DEFAULT_QID		0x21
+#define TOE_CLASSIFICATION_QID(x)	(0x22 + x)	// 0x22 ~ 0x2F
+#define TOE_TOE_QID(x)				(0x40 + x)	// 0x40 ~ 0x7F
+
+/**********************************************************************
+ * TOE DMA Queue Number should be 2^n, n = 6...12
+ * TOE DMA Queues are the following queue types:
+ *		SW Free Queue, HW Free Queue,
+ *		GMAC 0/1 SW TX Q0-5, and GMAC 0/1 HW TX Q0-5
+ * They have same descriptor numbers.
+ * The base address and descriptor number are configured at
+ * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004)
+ **********************************************************************/
+#define TOE_SW_FREEQ_DESC_POWER		10
+#define TOE_SW_FREEQ_DESC_NUM		(1<<TOE_SW_FREEQ_DESC_POWER)
+#define TOE_HW_FREEQ_DESC_POWER		8
+#define TOE_HW_FREEQ_DESC_NUM		(1<<TOE_HW_FREEQ_DESC_POWER)
+#define TOE_GMAC0_SWTXQ_DESC_POWER	8
+#define TOE_GMAC0_SWTXQ_DESC_NUM	(1<<TOE_GMAC0_SWTXQ_DESC_POWER)
+#define TOE_GMAC0_HWTXQ_DESC_POWER	8
+#define TOE_GMAC0_HWTXQ_DESC_NUM	(1<<TOE_GMAC0_HWTXQ_DESC_POWER)
+#define TOE_GMAC1_SWTXQ_DESC_POWER	8
+#define TOE_GMAC1_SWTXQ_DESC_NUM	(1<<TOE_GMAC1_SWTXQ_DESC_POWER)
+#define TOE_GMAC1_HWTXQ_DESC_POWER	8
+#define TOE_GMAC1_HWTXQ_DESC_NUM	(1<<TOE_GMAC1_HWTXQ_DESC_POWER)
+#define TOE_DEFAULT_Q0_DESC_POWER	8
+#define TOE_DEFAULT_Q0_DESC_NUM		(1<<TOE_DEFAULT_Q0_DESC_POWER)
+#define TOE_DEFAULT_Q1_DESC_POWER	8
+#define TOE_DEFAULT_Q1_DESC_NUM		(1<<TOE_DEFAULT_Q1_DESC_POWER)
+#define TOE_TOE_DESC_POWER			8
+#define TOE_TOE_DESC_NUM			(1<<TOE_TOE_DESC_POWER)
+#define TOE_CLASS_DESC_POWER		8
+#define TOE_CLASS_DESC_NUM			(1<<TOE_CLASS_DESC_POWER)
+#define TOE_INTR_DESC_POWER			8
+#define TOE_INTR_DESC_NUM			(1<<TOE_INTR_DESC_POWER)
+
+#define TOE_TOE_QUEUE_MAX			64
+#define TOE_TOE_QUEUE_NUM			64
+#define TOE_CLASS_QUEUE_MAX			14
+#define TOE_CLASS_QUEUE_NUM			14
+#define TOE_INTR_QUEUE_MAX			4
+#define TOE_INTR_QUEUE_NUM			4
+#define TOE_SW_TXQ_MAX				6
+#define TOE_SW_TXQ_NUM				1
+#define TOE_HW_TXQ_MAX				4
+#define TOE_HW_TXQ_NUM				4
+#define _max(x,y)					((x>y) ? x :y)
+#define TX_DESC_NUM					_max(TOE_GMAC0_SWTXQ_DESC_NUM, TOE_GMAC1_SWTXQ_DESC_NUM)
+
+#define RWPTR_ADVANCE_ONE(x, max)	((x == (max -1)) ? 0 : x+1)
+#define RWPTR_RECEDE_ONE(x, max)	((x == 0) ? (max -1) : x-1)
+#define SET_WPTR(addr, data)		(*(volatile u16 * const)((u32)(addr)+2) = (u16)data)
+#define SET_RPTR(addr, data)		(*(volatile u16 * const)((u32)(addr)) = (u16)data)
+
+/**********************************************************************
+ * Global registers
+ * #define TOE_GLOBAL_BASE			(TOE_BASE + 0x0000)
+ * Base 0x60000000
+ **********************************************************************/
+#define GLOBAL_TOE_VERSION_REG			0x0000
+#define GLOBAL_SW_FREEQ_BASE_SIZE_REG	0x0004
+#define GLOBAL_HW_FREEQ_BASE_SIZE_REG	0x0008
+#define GLOBAL_DMA_SKB_SIZE_REG			0x0010
+#define GLOBAL_SWFQ_RWPTR_REG			0x0014
+#define GLOBAL_HWFQ_RWPTR_REG			0x0018
+#define GLOBAL_INTERRUPT_STATUS_0_REG	0x0020
+#define GLOBAL_INTERRUPT_ENABLE_0_REG	0x0024
+#define GLOBAL_INTERRUPT_SELECT_0_REG	0x0028
+#define GLOBAL_INTERRUPT_STATUS_1_REG	0x0030
+#define GLOBAL_INTERRUPT_ENABLE_1_REG	0x0034
+#define GLOBAL_INTERRUPT_SELECT_1_REG	0x0038
+#define GLOBAL_INTERRUPT_STATUS_2_REG	0x0040
+#define GLOBAL_INTERRUPT_ENABLE_2_REG	0x0044
+#define GLOBAL_INTERRUPT_SELECT_2_REG	0x0048
+#define GLOBAL_INTERRUPT_STATUS_3_REG	0x0050
+#define GLOBAL_INTERRUPT_ENABLE_3_REG	0x0054
+#define GLOBAL_INTERRUPT_SELECT_3_REG	0x0058
+#define GLOBAL_INTERRUPT_STATUS_4_REG	0x0060
+#define GLOBAL_INTERRUPT_ENABLE_4_REG	0x0064
+#define GLOBAL_INTERRUPT_SELECT_4_REG	0x0068
+#define GLOBAL_HASH_TABLE_BASE_REG		0x006C
+#define GLOBAL_QUEUE_THRESHOLD_REG		0x0070
+
+/**********************************************************************
+ * GMAC 0/1 DMA/TOE register
+ * #define TOE_GMAC0_DMA_BASE		(TOE_BASE + 0x8000)
+ * #define TOE_GMAC1_DMA_BASE		(TOE_BASE + 0xC000)
+ * Base 0x60008000 or 0x6000C000
+ **********************************************************************/
+#define GMAC_DMA_CTRL_REG				0x0000
+#define GMAC_TX_WEIGHTING_CTRL_0_REG	0x0004
+#define GMAC_TX_WEIGHTING_CTRL_1_REG	0x0008
+#define GMAC_SW_TX_QUEUE0_PTR_REG		0x000C
+#define GMAC_SW_TX_QUEUE1_PTR_REG		0x0010
+#define GMAC_SW_TX_QUEUE2_PTR_REG		0x0014
+#define GMAC_SW_TX_QUEUE3_PTR_REG		0x0018
+#define GMAC_SW_TX_QUEUE4_PTR_REG		0x001C
+#define GMAC_SW_TX_QUEUE5_PTR_REG		0x0020
+#define GMAC_HW_TX_QUEUE0_PTR_REG		0x0024
+#define GMAC_HW_TX_QUEUE1_PTR_REG		0x0028
+#define GMAC_HW_TX_QUEUE2_PTR_REG		0x002C
+#define GMAC_HW_TX_QUEUE3_PTR_REG		0x0030
+#define GMAC_DMA_TX_FIRST_DESC_REG		0x0038
+#define GMAC_DMA_TX_CURR_DESC_REG		0x003C
+#define GMAC_DMA_TX_DESC_WORD0_REG		0x0040
+#define GMAC_DMA_TX_DESC_WORD1_REG		0x0044
+#define GMAC_DMA_TX_DESC_WORD2_REG		0x0048
+#define GMAC_DMA_TX_DESC_WORD3_REG		0x004C
+#define GMAC_SW_TX_QUEUE_BASE_REG		0x0050
+#define GMAC_HW_TX_QUEUE_BASE_REG		0x0054
+#define GMAC_DMA_RX_FIRST_DESC_REG		0x0058
+#define GMAC_DMA_RX_CURR_DESC_REG		0x005C
+#define GMAC_DMA_RX_DESC_WORD0_REG		0x0060
+#define GMAC_DMA_RX_DESC_WORD1_REG		0x0064
+#define GMAC_DMA_RX_DESC_WORD2_REG		0x0068
+#define GMAC_DMA_RX_DESC_WORD3_REG		0x006C
+#define GMAC_HASH_ENGINE_REG0			0x0070
+#define GMAC_HASH_ENGINE_REG1			0x0074
+#define GMAC_MR0CR0						0x0078 	// matching rule 0 Control register 0
+#define GMAC_MR0CR1						0x007C	// matching rule 0 Control register 1
+#define GMAC_MR0CR2						0x0080	// matching rule 0 Control register 2
+#define GMAC_MR1CR0						0x0084	// matching rule 1 Control register 0
+#define GMAC_MR1CR1						0x0088	// matching rule 1 Control register 1
+#define GMAC_MR1CR2						0x008C	// matching rule 1 Control register 2
+#define GMAC_MR2CR0						0x0090	// matching rule 2 Control register 0
+#define GMAC_MR2CR1						0x0094	// matching rule 2 Control register 1
+#define GMAC_MR2CR2						0x0098	// matching rule 2 Control register 2
+#define GMAC_MR3CR0						0x009C	// matching rule 3 Control register 0
+#define GMAC_MR3CR1						0x00A0	// matching rule 3 Control register 1
+#define GMAC_MR3CR2						0x00A4	// matching rule 3 Control register 2
+#define GMAC_SPR0						0x00A8	// Support Protocol Regsister 0
+#define GMAC_SPR1						0x00AC	// Support Protocol Regsister 1
+#define GMAC_SPR2						0x00B0	// Support Protocol Regsister 2
+#define GMAC_SPR3						0x00B4	// Support Protocol Regsister 3
+#define GMAC_SPR4						0x00B8	// Support Protocol Regsister 4
+#define GMAC_SPR5						0x00BC	// Support Protocol Regsister 5
+#define GMAC_SPR6						0x00C0	// Support Protocol Regsister 6
+#define GMAC_SPR7						0x00C4	// Support Protocol Regsister 7
+#define GMAC_AHB_WEIGHT_REG				0x00C8	// GMAC Hash/Rx/Tx AHB Weighting register
+
+/**********************************************************************
+ * TOE GMAC 0/1 register
+ * #define TOE_GMAC0_BASE				(TOE_BASE + 0xA000)
+ * #define TOE_GMAC1_BASE				(TOE_BASE + 0xE000)
+ * Base 0x6000A000 or 0x6000E000
+ **********************************************************************/
+enum GMAC_REGISTER {
+	GMAC_STA_ADD0 	= 0x0000,
+	GMAC_STA_ADD1	= 0x0004,
+	GMAC_STA_ADD2	= 0x0008,
+	GMAC_RX_FLTR	= 0x000c,
+	GMAC_MCAST_FIL0 = 0x0010,
+	GMAC_MCAST_FIL1 = 0x0014,
+	GMAC_CONFIG0	= 0x0018,
+	GMAC_CONFIG1	= 0x001c,
+	GMAC_CONFIG2	= 0x0020,
+	GMAC_CONFIG3	= 0x0024,
+	GMAC_RESERVED	= 0x0028,
+	GMAC_STATUS		= 0x002c,
+	GMAC_IN_DISCARDS= 0x0030,
+	GMAC_IN_ERRORS  = 0x0034,
+	GMAC_IN_MCAST   = 0x0038,
+	GMAC_IN_BCAST   = 0x003c,
+	GMAC_IN_MAC1    = 0x0040,	// for STA 1 MAC Address
+	GMAC_IN_MAC2    = 0x0044	// for STA 2 MAC Address
+};
+/**********************************************************************
+ * TOE version Register (offset 0x0000)
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int reserved		: 15;	// bit 31:17
+		unsigned int v_bit_mode		: 1;	// bit 16		1: 128-entry
+		unsigned int device_id		: 12;	// bit 15:4 	Device ID
+		unsigned int revision_id	: 4;	// bit  3:0 	Revision ID
+#else
+		unsigned int revision_id	: 4;	// bit  3:0 	Revision ID
+		unsigned int device_id		: 12;	// bit 15:4 	Device ID
+		unsigned int v_bit_mode		: 1;	// bit 16		1: 128-entry
+		unsigned int reserved		: 15;	// bit 31:17
+#endif
+	} bits;
+} TOE_VERSION_T;
+
+
+/**********************************************************************
+ * DMA Queues description Ring Base Address/Size Register (offset 0x0004)
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	unsigned int base_size;
+} DMA_Q_BASE_SIZE_T;
+#define DMA_Q_BASE_MASK 	(~0x0f)
+
+/**********************************************************************
+ * DMA SKB Buffer register (offset 0x0008)
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_0008
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int hw_skb_size	: 16;	// bit 31:16	HW Free poll SKB Size
+		unsigned int sw_skb_size	: 16;	// bit 15:0 	SW Free poll SKB Size
+#else
+		unsigned int sw_skb_size	: 16;	// bit 15:0 	SW Free poll SKB Size
+		unsigned int hw_skb_size	: 16;	// bit 31:16	HW Free poll SKB Size
+#endif
+	} bits;
+} DMA_SKB_SIZE_T;
+
+/**********************************************************************
+ * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C)
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_000c
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int wptr			: 16;	// bit 31:16 	Write Ptr, RW
+		unsigned int rptr			: 16;	// bit 15:0		Read Ptr, RO
+#else
+		unsigned int rptr			: 16;	// bit 15:0		Read Ptr, RO
+		unsigned int wptr			: 16;	// bit 31:16 	Write Ptr, RW
+#endif
+	} bits;
+} DMA_RWPTR_T;
+
+/**********************************************************************
+ * DMA HW Free Queue Read/Write Pointer Register (offset 0x0010)
+ **********************************************************************/
+// see DMA_RWPTR_T structure
+
+/**********************************************************************
+ * Interrupt Status Register 0 	(offset 0x0020)
+ * Interrupt Mask Register 0 	(offset 0x0024)
+ * Interrupt Select Register 0 	(offset 0x0028)
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_0020
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int txDerr1		: 1;	// bit 31	GMAC1 AHB Bus Error while Tx
+		unsigned int txPerr1		: 1;	// bit 30	GMAC1 Tx Descriptor Protocol Error
+		unsigned int txDerr0		: 1;	// bit 29	GMAC0 AHB Bus Error while Tx
+		unsigned int txPerr0		: 1;	// bit 28	GMAC0 Tx Descriptor Protocol Error
+		unsigned int rxDerr1		: 1;	// bit 27	GMAC1 AHB Bus Error while Rx
+		unsigned int rxPerr1		: 1;	// bit 26	GMAC1 Rx Descriptor Protocol Error
+		unsigned int rxDerr0		: 1;	// bit 25	GMAC0 AHB Bus Error while Rx
+		unsigned int rxPerr0		: 1;	// bit 24	GMAC0 Rx Descriptor Protocol Error
+		unsigned int swtq15_fin		: 1;	// bit 23	GMAC1 SW Tx Queue 5 Finish Interrupt
+		unsigned int swtq14_fin		: 1;	// bit 22	GMAC1 SW Tx Queue 4 Finish Interrupt
+		unsigned int swtq13_fin		: 1;	// bit 21	GMAC1 SW Tx Queue 3 Finish Interrupt
+		unsigned int swtq12_fin		: 1;	// bit 20	GMAC1 SW Tx Queue 2 Finish Interrupt
+		unsigned int swtq11_fin		: 1;	// bit 19	GMAC1 SW Tx Queue 1 Finish Interrupt
+		unsigned int swtq10_fin		: 1;	// bit 18	GMAC1 SW Tx Queue 0 Finish Interrupt
+		unsigned int swtq05_fin		: 1;	// bit 17	GMAC0 SW Tx Queue 5 Finish Interrupt
+		unsigned int swtq04_fin		: 1;	// bit 16	GMAC0 SW Tx Queue 4 Finish Interrupt
+		unsigned int swtq03_fin		: 1;	// bit 15	GMAC0 SW Tx Queue 3 Finish Interrupt
+		unsigned int swtq02_fin		: 1;	// bit 14	GMAC0 SW Tx Queue 2 Finish Interrupt
+		unsigned int swtq01_fin		: 1;	// bit 13	GMAC0 SW Tx Queue 1 Finish Interrupt
+		unsigned int swtq00_fin		: 1;	// bit 12	GMAC0 SW Tx Queue 0 Finish Interrupt
+		unsigned int swtq15_eof		: 1;	// bit 11	GMAC1 SW Tx Queue 5 EOF Interrupt
+		unsigned int swtq14_eof		: 1;	// bit 10	GMAC1 SW Tx Queue 4 EOF Interrupt
+		unsigned int swtq13_eof		: 1;	// bit 9	GMAC1 SW Tx Queue 3 EOF Interrupt
+		unsigned int swtq12_eof		: 1;	// bit 8	GMAC1 SW Tx Queue 2 EOF Interrupt
+		unsigned int swtq11_eof		: 1;	// bit 7	GMAC1 SW Tx Queue 1 EOF Interrupt
+		unsigned int swtq10_eof		: 1;	// bit 6	GMAC1 SW Tx Queue 0 EOF Interrupt
+		unsigned int swtq05_eof		: 1;	// bit 5	GMAC0 SW Tx Queue 5 EOF Interrupt
+		unsigned int swtq04_eof		: 1;	// bit 4	GMAC0 SW Tx Queue 4 EOF Interrupt
+		unsigned int swtq03_eof		: 1;	// bit 3	GMAC0 SW Tx Queue 3 EOF Interrupt
+		unsigned int swtq02_eof		: 1;	// bit 2	GMAC0 SW Tx Queue 2 EOF Interrupt
+		unsigned int swtq01_eof		: 1;	// bit 1	GMAC0 SW Tx Queue 1 EOF Interrupt
+		unsigned int swtq00_eof		: 1;	// bit 0	GMAC0 SW Tx Queue 0 EOF Interrupt
+#else
+		unsigned int swtq00_eof		: 1;	// bit 0	GMAC0 SW Tx Queue 0 EOF Interrupt
+		unsigned int swtq01_eof		: 1;	// bit 1	GMAC0 SW Tx Queue 1 EOF Interrupt
+		unsigned int swtq02_eof		: 1;	// bit 2	GMAC0 SW Tx Queue 2 EOF Interrupt
+		unsigned int swtq03_eof		: 1;	// bit 3	GMAC0 SW Tx Queue 3 EOF Interrupt
+		unsigned int swtq04_eof		: 1;	// bit 4	GMAC0 SW Tx Queue 4 EOF Interrupt
+		unsigned int swtq05_eof		: 1;	// bit 5	GMAC0 SW Tx Queue 5 EOF Interrupt
+		unsigned int swtq10_eof		: 1;	// bit 6	GMAC1 SW Tx Queue 0 EOF Interrupt
+		unsigned int swtq11_eof		: 1;	// bit 7	GMAC1 SW Tx Queue 1 EOF Interrupt
+		unsigned int swtq12_eof		: 1;	// bit 8	GMAC1 SW Tx Queue 2 EOF Interrupt
+		unsigned int swtq13_eof		: 1;	// bit 9	GMAC1 SW Tx Queue 3 EOF Interrupt
+		unsigned int swtq14_eof		: 1;	// bit 10	GMAC1 SW Tx Queue 4 EOF Interrupt
+		unsigned int swtq15_eof		: 1;	// bit 11	GMAC1 SW Tx Queue 5 EOF Interrupt
+		unsigned int swtq00_fin		: 1;	// bit 12	GMAC0 SW Tx Queue 0 Finish Interrupt
+		unsigned int swtq01_fin		: 1;	// bit 13	GMAC0 SW Tx Queue 1 Finish Interrupt
+		unsigned int swtq02_fin		: 1;	// bit 14	GMAC0 SW Tx Queue 2 Finish Interrupt
+		unsigned int swtq03_fin		: 1;	// bit 15	GMAC0 SW Tx Queue 3 Finish Interrupt
+		unsigned int swtq04_fin		: 1;	// bit 16	GMAC0 SW Tx Queue 4 Finish Interrupt
+		unsigned int swtq05_fin		: 1;	// bit 17	GMAC0 SW Tx Queue 5 Finish Interrupt
+		unsigned int swtq10_fin		: 1;	// bit 18	GMAC1 SW Tx Queue 0 Finish Interrupt
+		unsigned int swtq11_fin		: 1;	// bit 19	GMAC1 SW Tx Queue 1 Finish Interrupt
+		unsigned int swtq12_fin		: 1;	// bit 20	GMAC1 SW Tx Queue 2 Finish Interrupt
+		unsigned int swtq13_fin		: 1;	// bit 21	GMAC1 SW Tx Queue 3 Finish Interrupt
+		unsigned int swtq14_fin		: 1;	// bit 22	GMAC1 SW Tx Queue 4 Finish Interrupt
+		unsigned int swtq15_fin		: 1;	// bit 23	GMAC1 SW Tx Queue 5 Finish Interrupt
+		unsigned int rxPerr0		: 1;	// bit 24	GMAC0 Rx Descriptor Protocol Error
+		unsigned int rxDerr0		: 1;	// bit 25	GMAC0 AHB Bus Error while Rx
+		unsigned int rxPerr1		: 1;	// bit 26	GMAC1 Rx Descriptor Protocol Error
+		unsigned int rxDerr1		: 1;	// bit 27	GMAC1 AHB Bus Error while Rx
+		unsigned int txPerr0		: 1;	// bit 28	GMAC0 Tx Descriptor Protocol Error
+		unsigned int txDerr0		: 1;	// bit 29	GMAC0 AHB Bus Error while Tx
+		unsigned int txPerr1		: 1;	// bit 30	GMAC1 Tx Descriptor Protocol Error
+		unsigned int txDerr1		: 1;	// bit 31	GMAC1 AHB Bus Error while Tx
+#endif
+	} bits;
+} INTR_REG0_T;
+
+#define GMAC1_TXDERR_INT_BIT		BIT(31)
+#define GMAC1_TXPERR_INT_BIT		BIT(30)
+#define GMAC0_TXDERR_INT_BIT		BIT(29)
+#define GMAC0_TXPERR_INT_BIT		BIT(28)
+#define GMAC1_RXDERR_INT_BIT		BIT(27)
+#define GMAC1_RXPERR_INT_BIT		BIT(26)
+#define GMAC0_RXDERR_INT_BIT		BIT(25)
+#define GMAC0_RXPERR_INT_BIT		BIT(24)
+#define GMAC1_SWTQ15_FIN_INT_BIT	BIT(23)
+#define GMAC1_SWTQ14_FIN_INT_BIT	BIT(22)
+#define GMAC1_SWTQ13_FIN_INT_BIT	BIT(21)
+#define GMAC1_SWTQ12_FIN_INT_BIT	BIT(20)
+#define GMAC1_SWTQ11_FIN_INT_BIT	BIT(19)
+#define GMAC1_SWTQ10_FIN_INT_BIT	BIT(18)
+#define GMAC0_SWTQ05_FIN_INT_BIT	BIT(17)
+#define GMAC0_SWTQ04_FIN_INT_BIT	BIT(16)
+#define GMAC0_SWTQ03_FIN_INT_BIT	BIT(15)
+#define GMAC0_SWTQ02_FIN_INT_BIT	BIT(14)
+#define GMAC0_SWTQ01_FIN_INT_BIT	BIT(13)
+#define GMAC0_SWTQ00_FIN_INT_BIT	BIT(12)
+#define GMAC1_SWTQ15_EOF_INT_BIT	BIT(11)
+#define GMAC1_SWTQ14_EOF_INT_BIT	BIT(10)
+#define GMAC1_SWTQ13_EOF_INT_BIT	BIT(9)
+#define GMAC1_SWTQ12_EOF_INT_BIT	BIT(8)
+#define GMAC1_SWTQ11_EOF_INT_BIT	BIT(7)
+#define GMAC1_SWTQ10_EOF_INT_BIT	BIT(6)
+#define GMAC0_SWTQ05_EOF_INT_BIT	BIT(5)
+#define GMAC0_SWTQ04_EOF_INT_BIT	BIT(4)
+#define GMAC0_SWTQ03_EOF_INT_BIT	BIT(3)
+#define GMAC0_SWTQ02_EOF_INT_BIT	BIT(2)
+#define GMAC0_SWTQ01_EOF_INT_BIT	BIT(1)
+#define GMAC0_SWTQ00_EOF_INT_BIT	BIT(0)
+
+
+/**********************************************************************
+ * Interrupt Status Register 1 	(offset 0x0030)
+ * Interrupt Mask Register 1 	(offset 0x0034)
+ * Interrupt Select Register 1 	(offset 0x0038)
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_0030
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int toe_iq3_full	: 1;	// bit 31	TOE Interrupt Queue 3 Full Interrupt
+		unsigned int toe_iq2_full	: 1;	// bit 30	TOE Interrupt Queue 2 Full Interrupt
+		unsigned int toe_iq1_full	: 1;	// bit 29	TOE Interrupt Queue 1 Full Interrupt
+		unsigned int toe_iq0_full	: 1;	// bit 28	TOE Interrupt Queue 0 Full Interrupt
+		unsigned int toe_iq3_intr	: 1;	// bit 27	TOE Interrupt Queue 3 with Interrupts
+		unsigned int toe_iq2_intr	: 1;	// bit 26	TOE Interrupt Queue 2 with Interrupts
+		unsigned int toe_iq1_intr	: 1;	// bit 25	TOE Interrupt Queue 1 with Interrupts
+		unsigned int toe_iq0_intr	: 1;	// bit 24	TOE Interrupt Queue 0 with Interrupts
+		unsigned int hwtq13_eof		: 1;	// bit 23	GMAC1 HW Tx Queue3 EOF Interrupt
+		unsigned int hwtq12_eof		: 1;	// bit 22	GMAC1 HW Tx Queue2 EOF Interrupt
+		unsigned int hwtq11_eof		: 1;	// bit 21	GMAC1 HW Tx Queue1 EOF Interrupt
+		unsigned int hwtq10_eof		: 1;	// bit 20	GMAC1 HW Tx Queue0 EOF Interrupt
+		unsigned int hwtq03_eof		: 1;	// bit 19	GMAC0 HW Tx Queue3 EOF Interrupt
+		unsigned int hwtq02_eof		: 1;	// bit 18	GMAC0 HW Tx Queue2 EOF Interrupt
+		unsigned int hwtq01_eof		: 1;	// bit 17	GMAC0 HW Tx Queue1 EOF Interrupt
+		unsigned int hwtq00_eof		: 1;	// bit 16	GMAC0 HW Tx Queue0 EOF Interrupt
+		unsigned int class_rx		: 14;	// bit 15:2	Classification Queue Rx Interrupt
+		unsigned int default_q1_eof	: 1;	// bit 1	Default Queue 1 EOF Interrupt
+		unsigned int default_q0_eof	: 1;	// bit 0	Default Queue 0 EOF Interrupt
+#else
+		unsigned int default_q0_eof	: 1;	// bit 0	Default Queue 0 EOF Interrupt
+		unsigned int default_q1_eof	: 1;	// bit 1	Default Queue 1 EOF Interrupt
+		unsigned int class_rx		: 14;	// bit 15:2	Classification Queue Rx Interrupt
+		unsigned int hwtq00_eof		: 1;	// bit 16	GMAC0 HW Tx Queue0 EOF Interrupt
+		unsigned int hwtq01_eof		: 1;	// bit 17	GMAC0 HW Tx Queue1 EOF Interrupt
+		unsigned int hwtq02_eof		: 1;	// bit 18	GMAC0 HW Tx Queue2 EOF Interrupt
+		unsigned int hwtq03_eof		: 1;	// bit 19	GMAC0 HW Tx Queue3 EOF Interrupt
+		unsigned int hwtq10_eof		: 1;	// bit 20	GMAC1 HW Tx Queue0 EOF Interrupt
+		unsigned int hwtq11_eof		: 1;	// bit 21	GMAC1 HW Tx Queue1 EOF Interrupt
+		unsigned int hwtq12_eof		: 1;	// bit 22	GMAC1 HW Tx Queue2 EOF Interrupt
+		unsigned int hwtq13_eof		: 1;	// bit 23	GMAC1 HW Tx Queue3 EOF Interrupt
+		unsigned int toe_iq0_intr	: 1;	// bit 24	TOE Interrupt Queue 0 with Interrupts
+		unsigned int toe_iq1_intr	: 1;	// bit 25	TOE Interrupt Queue 1 with Interrupts
+		unsigned int toe_iq2_intr	: 1;	// bit 26	TOE Interrupt Queue 2 with Interrupts
+		unsigned int toe_iq3_intr	: 1;	// bit 27	TOE Interrupt Queue 3 with Interrupts
+		unsigned int toe_iq0_full	: 1;	// bit 28	TOE Interrupt Queue 0 Full Interrupt
+		unsigned int toe_iq1_full	: 1;	// bit 29	TOE Interrupt Queue 1 Full Interrupt
+		unsigned int toe_iq2_full	: 1;	// bit 30	TOE Interrupt Queue 2 Full Interrupt
+		unsigned int toe_iq3_full	: 1;	// bit 31	TOE Interrupt Queue 3 Full Interrupt
+#endif
+	} bits;
+} INTR_REG1_T;
+
+#define TOE_IQ3_FULL_INT_BIT		BIT(31)
+#define TOE_IQ2_FULL_INT_BIT		BIT(30)
+#define TOE_IQ1_FULL_INT_BIT		BIT(29)
+#define TOE_IQ0_FULL_INT_BIT		BIT(28)
+#define TOE_IQ3_INT_BIT				BIT(27)
+#define TOE_IQ2_INT_BIT				BIT(26)
+#define TOE_IQ1_INT_BIT				BIT(25)
+#define TOE_IQ0_INT_BIT				BIT(24)
+#define GMAC1_HWTQ13_EOF_INT_BIT	BIT(23)
+#define GMAC1_HWTQ12_EOF_INT_BIT	BIT(22)
+#define GMAC1_HWTQ11_EOF_INT_BIT	BIT(21)
+#define GMAC1_HWTQ10_EOF_INT_BIT	BIT(20)
+#define GMAC0_HWTQ03_EOF_INT_BIT	BIT(19)
+#define GMAC0_HWTQ02_EOF_INT_BIT	BIT(18)
+#define GMAC0_HWTQ01_EOF_INT_BIT	BIT(17)
+#define GMAC0_HWTQ00_EOF_INT_BIT	BIT(16)
+#define CLASS_RX_INT_BIT(x)			BIT((x+2))
+#define DEFAULT_Q1_INT_BIT			BIT(1)
+#define DEFAULT_Q0_INT_BIT			BIT(0)
+
+#define TOE_IQ_INT_BITS				(TOE_IQ0_INT_BIT | TOE_IQ1_INT_BIT | \
+		               	 			TOE_IQ2_INT_BIT | TOE_IQ3_INT_BIT)
+#define	TOE_IQ_FULL_BITS			(TOE_IQ0_FULL_INT_BIT | TOE_IQ1_FULL_INT_BIT | \
+		                	 		TOE_IQ2_FULL_INT_BIT | TOE_IQ3_FULL_INT_BIT)
+#define	TOE_IQ_ALL_BITS				(TOE_IQ_INT_BITS | TOE_IQ_FULL_BITS)
+#define TOE_CLASS_RX_INT_BITS		0xfffc
+
+/**********************************************************************
+ * Interrupt Status Register 2 	(offset 0x0040)
+ * Interrupt Mask Register 2 	(offset 0x0044)
+ * Interrupt Select Register 2 	(offset 0x0048)
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_0040
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int toe_q31_full	: 1;	// bit 31	TOE Queue 31 Full Interrupt
+		unsigned int toe_q30_full	: 1;	// bit 30	TOE Queue 30 Full Interrupt
+		unsigned int toe_q29_full	: 1;	// bit 29	TOE Queue 29 Full Interrupt
+		unsigned int toe_q28_full	: 1;	// bit 28	TOE Queue 28 Full Interrupt
+		unsigned int toe_q27_full	: 1;	// bit 27	TOE Queue 27 Full Interrupt
+		unsigned int toe_q26_full	: 1;	// bit 26	TOE Queue 26 Full Interrupt
+		unsigned int toe_q25_full	: 1;	// bit 25	TOE Queue 25 Full Interrupt
+		unsigned int toe_q24_full	: 1;	// bit 24	TOE Queue 24 Full Interrupt
+		unsigned int toe_q23_full	: 1;	// bit 23	TOE Queue 23 Full Interrupt
+		unsigned int toe_q22_full	: 1;	// bit 22	TOE Queue 22 Full Interrupt
+		unsigned int toe_q21_full	: 1;	// bit 21	TOE Queue 21 Full Interrupt
+		unsigned int toe_q20_full	: 1;	// bit 20	TOE Queue 20 Full Interrupt
+		unsigned int toe_q19_full	: 1;	// bit 19	TOE Queue 19 Full Interrupt
+		unsigned int toe_q18_full	: 1;	// bit 18	TOE Queue 18 Full Interrupt
+		unsigned int toe_q17_full	: 1;	// bit 17	TOE Queue 17 Full Interrupt
+		unsigned int toe_q16_full	: 1;	// bit 16	TOE Queue 16 Full Interrupt
+		unsigned int toe_q15_full	: 1;	// bit 15	TOE Queue 15 Full Interrupt
+		unsigned int toe_q14_full	: 1;	// bit 14	TOE Queue 14 Full Interrupt
+		unsigned int toe_q13_full	: 1;	// bit 13	TOE Queue 13 Full Interrupt
+		unsigned int toe_q12_full	: 1;	// bit 12	TOE Queue 12 Full Interrupt
+		unsigned int toe_q11_full	: 1;	// bit 11	TOE Queue 11 Full Interrupt
+		unsigned int toe_q10_full	: 1;	// bit 10	TOE Queue 10 Full Interrupt
+		unsigned int toe_q9_full	: 1;	// bit 9	TOE Queue 9 Full Interrupt
+		unsigned int toe_q8_full	: 1;	// bit 8	TOE Queue 8 Full Interrupt
+		unsigned int toe_q7_full	: 1;	// bit 7	TOE Queue 7 Full Interrupt
+		unsigned int toe_q6_full	: 1;	// bit 6	TOE Queue 6 Full Interrupt
+		unsigned int toe_q5_full	: 1;	// bit 5	TOE Queue 5 Full Interrupt
+		unsigned int toe_q4_full	: 1;	// bit 4	TOE Queue 4 Full Interrupt
+		unsigned int toe_q3_full	: 1;	// bit 3	TOE Queue 3 Full Interrupt
+		unsigned int toe_q2_full	: 1;	// bit 2	TOE Queue 2 Full Interrupt
+		unsigned int toe_q1_full	: 1;	// bit 1	TOE Queue 1 Full Interrupt
+		unsigned int toe_q0_full	: 1;	// bit 0	TOE Queue 0 Full Interrupt
+#else
+		unsigned int toe_q0_full	: 1;	// bit 0	TOE Queue 0 Full Interrupt
+		unsigned int toe_q1_full	: 1;	// bit 1	TOE Queue 1 Full Interrupt
+		unsigned int toe_q2_full	: 1;	// bit 2	TOE Queue 2 Full Interrupt
+		unsigned int toe_q3_full	: 1;	// bit 3	TOE Queue 3 Full Interrupt
+		unsigned int toe_q4_full	: 1;	// bit 4	TOE Queue 4 Full Interrupt
+		unsigned int toe_q5_full	: 1;	// bit 5	TOE Queue 5 Full Interrupt
+		unsigned int toe_q6_full	: 1;	// bit 6	TOE Queue 6 Full Interrupt
+		unsigned int toe_q7_full	: 1;	// bit 7	TOE Queue 7 Full Interrupt
+		unsigned int toe_q8_full	: 1;	// bit 8	TOE Queue 8 Full Interrupt
+		unsigned int toe_q9_full	: 1;	// bit 9	TOE Queue 9 Full Interrupt
+		unsigned int toe_q10_full	: 1;	// bit 10	TOE Queue 10 Full Interrupt
+		unsigned int toe_q11_full	: 1;	// bit 11	TOE Queue 11 Full Interrupt
+		unsigned int toe_q12_full	: 1;	// bit 12	TOE Queue 12 Full Interrupt
+		unsigned int toe_q13_full	: 1;	// bit 13	TOE Queue 13 Full Interrupt
+		unsigned int toe_q14_full	: 1;	// bit 14	TOE Queue 14 Full Interrupt
+		unsigned int toe_q15_full	: 1;	// bit 15	TOE Queue 15 Full Interrupt
+		unsigned int toe_q16_full	: 1;	// bit 16	TOE Queue 16 Full Interrupt
+		unsigned int toe_q17_full	: 1;	// bit 17	TOE Queue 17 Full Interrupt
+		unsigned int toe_q18_full	: 1;	// bit 18	TOE Queue 18 Full Interrupt
+		unsigned int toe_q19_full	: 1;	// bit 19	TOE Queue 19 Full Interrupt
+		unsigned int toe_q20_full	: 1;	// bit 20	TOE Queue 20 Full Interrupt
+		unsigned int toe_q21_full	: 1;	// bit 21	TOE Queue 21 Full Interrupt
+		unsigned int toe_q22_full	: 1;	// bit 22	TOE Queue 22 Full Interrupt
+		unsigned int toe_q23_full	: 1;	// bit 23	TOE Queue 23 Full Interrupt
+		unsigned int toe_q24_full	: 1;	// bit 24	TOE Queue 24 Full Interrupt
+		unsigned int toe_q25_full	: 1;	// bit 25	TOE Queue 25 Full Interrupt
+		unsigned int toe_q26_full	: 1;	// bit 26	TOE Queue 26 Full Interrupt
+		unsigned int toe_q27_full	: 1;	// bit 27	TOE Queue 27 Full Interrupt
+		unsigned int toe_q28_full	: 1;	// bit 28	TOE Queue 28 Full Interrupt
+		unsigned int toe_q29_full	: 1;	// bit 29	TOE Queue 29 Full Interrupt
+		unsigned int toe_q30_full	: 1;	// bit 30	TOE Queue 30 Full Interrupt
+		unsigned int toe_q31_full	: 1;	// bit 31	TOE Queue 31 Full Interrupt
+#endif
+	} bits;
+} INTR_REG2_T;
+
+#define TOE_QL_FULL_INT_BIT(x)		BIT(x)
+
+/**********************************************************************
+ * Interrupt Status Register 3 	(offset 0x0050)
+ * Interrupt Mask Register 3 	(offset 0x0054)
+ * Interrupt Select Register 3 	(offset 0x0058)
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_0050
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int toe_q63_full	: 1;	// bit 63	TOE Queue 63 Full Interrupt
+		unsigned int toe_q62_full	: 1;	// bit 62	TOE Queue 62 Full Interrupt
+		unsigned int toe_q61_full	: 1;	// bit 61	TOE Queue 61 Full Interrupt
+		unsigned int toe_q60_full	: 1;	// bit 60	TOE Queue 60 Full Interrupt
+		unsigned int toe_q59_full	: 1;	// bit 59	TOE Queue 59 Full Interrupt
+		unsigned int toe_q58_full	: 1;	// bit 58	TOE Queue 58 Full Interrupt
+		unsigned int toe_q57_full	: 1;	// bit 57	TOE Queue 57 Full Interrupt
+		unsigned int toe_q56_full	: 1;	// bit 56	TOE Queue 56 Full Interrupt
+		unsigned int toe_q55_full	: 1;	// bit 55	TOE Queue 55 Full Interrupt
+		unsigned int toe_q54_full	: 1;	// bit 54	TOE Queue 54 Full Interrupt
+		unsigned int toe_q53_full	: 1;	// bit 53	TOE Queue 53 Full Interrupt
+		unsigned int toe_q52_full	: 1;	// bit 52	TOE Queue 52 Full Interrupt
+		unsigned int toe_q51_full	: 1;	// bit 51	TOE Queue 51 Full Interrupt
+		unsigned int toe_q50_full	: 1;	// bit 50	TOE Queue 50 Full Interrupt
+		unsigned int toe_q49_full	: 1;	// bit 49	TOE Queue 49 Full Interrupt
+		unsigned int toe_q48_full	: 1;	// bit 48	TOE Queue 48 Full Interrupt
+		unsigned int toe_q47_full	: 1;	// bit 47	TOE Queue 47 Full Interrupt
+		unsigned int toe_q46_full	: 1;	// bit 46	TOE Queue 46 Full Interrupt
+		unsigned int toe_q45_full	: 1;	// bit 45	TOE Queue 45 Full Interrupt
+		unsigned int toe_q44_full	: 1;	// bit 44	TOE Queue 44 Full Interrupt
+		unsigned int toe_q43_full	: 1;	// bit 43	TOE Queue 43 Full Interrupt
+		unsigned int toe_q42_full	: 1;	// bit 42	TOE Queue 42 Full Interrupt
+		unsigned int toe_q41_full	: 1;	// bit 41	TOE Queue 41 Full Interrupt
+		unsigned int toe_q40_full	: 1;	// bit 40	TOE Queue 40 Full Interrupt
+		unsigned int toe_q39_full	: 1;	// bit 39 	TOE Queue 39 Full Interrupt
+		unsigned int toe_q38_full	: 1;	// bit 38	TOE Queue 38 Full Interrupt
+		unsigned int toe_q37_full	: 1;	// bit 37	TOE Queue 37 Full Interrupt
+		unsigned int toe_q36_full	: 1;	// bit 36	TOE Queue 36 Full Interrupt
+		unsigned int toe_q35_full	: 1;	// bit 35	TOE Queue 35 Full Interrupt
+		unsigned int toe_q34_full	: 1;	// bit 34	TOE Queue 34 Full Interrupt
+		unsigned int toe_q33_full	: 1;	// bit 33	TOE Queue 33 Full Interrupt
+		unsigned int toe_q32_full	: 1;	// bit 32	TOE Queue 32 Full Interrupt
+#else
+		unsigned int toe_q32_full	: 1;	// bit 32	TOE Queue 32 Full Interrupt
+		unsigned int toe_q33_full	: 1;	// bit 33	TOE Queue 33 Full Interrupt
+		unsigned int toe_q34_full	: 1;	// bit 34	TOE Queue 34 Full Interrupt
+		unsigned int toe_q35_full	: 1;	// bit 35	TOE Queue 35 Full Interrupt
+		unsigned int toe_q36_full	: 1;	// bit 36	TOE Queue 36 Full Interrupt
+		unsigned int toe_q37_full	: 1;	// bit 37	TOE Queue 37 Full Interrupt
+		unsigned int toe_q38_full	: 1;	// bit 38	TOE Queue 38 Full Interrupt
+		unsigned int toe_q39_full	: 1;	// bit 39	TOE Queue 39 Full Interrupt
+		unsigned int toe_q40_full	: 1;	// bit 40	TOE Queue 40 Full Interrupt
+		unsigned int toe_q41_full	: 1;	// bit 41	TOE Queue 41 Full Interrupt
+		unsigned int toe_q42_full	: 1;	// bit 42	TOE Queue 42 Full Interrupt
+		unsigned int toe_q43_full	: 1;	// bit 43	TOE Queue 43 Full Interrupt
+		unsigned int toe_q44_full	: 1;	// bit 44	TOE Queue 44 Full Interrupt
+		unsigned int toe_q45_full	: 1;	// bit 45	TOE Queue 45 Full Interrupt
+		unsigned int toe_q46_full	: 1;	// bit 46	TOE Queue 46 Full Interrupt
+		unsigned int toe_q47_full	: 1;	// bit 47	TOE Queue 47 Full Interrupt
+		unsigned int toe_q48_full	: 1;	// bit 48	TOE Queue 48 Full Interrupt
+		unsigned int toe_q49_full	: 1;	// bit 49	TOE Queue 49 Full Interrupt
+		unsigned int toe_q50_full	: 1;	// bit 50	TOE Queue 50 Full Interrupt
+		unsigned int toe_q51_full	: 1;	// bit 51	TOE Queue 51 Full Interrupt
+		unsigned int toe_q52_full	: 1;	// bit 52	TOE Queue 52 Full Interrupt
+		unsigned int toe_q53_full	: 1;	// bit 53	TOE Queue 53 Full Interrupt
+		unsigned int toe_q54_full	: 1;	// bit 54	TOE Queue 54 Full Interrupt
+		unsigned int toe_q55_full	: 1;	// bit 55	TOE Queue 55 Full Interrupt
+		unsigned int toe_q56_full	: 1;	// bit 56	TOE Queue 56 Full Interrupt
+		unsigned int toe_q57_full	: 1;	// bit 57	TOE Queue 57 Full Interrupt
+		unsigned int toe_q58_full	: 1;	// bit 58	TOE Queue 58 Full Interrupt
+		unsigned int toe_q59_full	: 1;	// bit 59	TOE Queue 59 Full Interrupt
+		unsigned int toe_q60_full	: 1;	// bit 60	TOE Queue 60 Full Interrupt
+		unsigned int toe_q61_full	: 1;	// bit 61	TOE Queue 61 Full Interrupt
+		unsigned int toe_q62_full	: 1;	// bit 62	TOE Queue 62 Full Interrupt
+		unsigned int toe_q63_full	: 1;	// bit 63	TOE Queue 63 Full Interrupt
+#endif
+	} bits;
+} INTR_REG3_T;
+
+#define TOE_QH_FULL_INT_BIT(x)		BIT(x-32)
+
+/**********************************************************************
+ * Interrupt Status Register 4 	(offset 0x0060)
+ * Interrupt Mask Register 4 	(offset 0x0064)
+ * Interrupt Select Register 4 	(offset 0x0068)
+ **********************************************************************/
+typedef union
+{
+	unsigned char byte;
+	struct bit_0060
+	{
+#if (BIG_ENDIAN==1)
+		unsigned char reserved		: 1;	//
+		unsigned char cnt_full 		: 1;	// MIB counters half full interrupt
+		unsigned char rx_pause_on	: 1;	// received pause on frame interrupt
+		unsigned char tx_pause_on	: 1;	// transmit pause on frame interrupt
+		unsigned char rx_pause_off  : 1;	// received pause off frame interrupt
+		unsigned char tx_pause_off	: 1;	// received pause off frame interrupt
+		unsigned char rx_overrun	: 1;    // GMAC Rx FIFO overrun interrupt
+		unsigned char status_changed: 1;	// Status Changed Intr for RGMII Mode
+#else
+		unsigned char status_changed: 1;	// Status Changed Intr for RGMII Mode
+		unsigned char rx_overrun	: 1;   // GMAC Rx FIFO overrun interrupt
+		unsigned char tx_pause_off	: 1;	// received pause off frame interrupt
+		unsigned char rx_pause_off  : 1;	// received pause off frame interrupt
+		unsigned char tx_pause_on	: 1;	// transmit pause on frame interrupt
+		unsigned char rx_pause_on	: 1;	// received pause on frame interrupt
+		unsigned char cnt_full 		: 1;	// MIB counters half full interrupt
+		unsigned char reserved		: 1;	//
+#endif
+	} _PACKED_ bits;
+} _PACKED_ GMAC_INTR_T;
+
+typedef union
+{
+	unsigned int bits32;
+	struct bit_0060_2
+	{
+#if (BIG_ENDIAN==1)
+		GMAC_INTR_T		gmac1;
+		GMAC_INTR_T		gmac0;
+		unsigned int	class_qf_int: 14;	// bit 15:2 Classification Rx Queue13-0 Full Intr.
+		unsigned int    hwfq_empty	: 1;	// bit 1	Hardware Free Queue Empty Intr.
+		unsigned int    swfq_empty	: 1;	// bit 0	Software Free Queue Empty Intr.
+#else
+#endif
+		unsigned int    swfq_empty	: 1;	// bit 0	Software Free Queue Empty Intr.
+		unsigned int    hwfq_empty	: 1;	// bit 1	Hardware Free Queue Empty Intr.
+		unsigned int	class_qf_int: 14;	// bit 15:2 Classification Rx Queue13-0 Full Intr.
+		GMAC_INTR_T		gmac0;
+		GMAC_INTR_T		gmac1;
+	} bits;
+} INTR_REG4_T;
+
+#define GMAC1_RESERVED_INT_BIT		BIT(31)
+#define GMAC1_MIB_INT_BIT			BIT(30)
+#define GMAC1_RX_PAUSE_ON_INT_BIT	BIT(29)
+#define GMAC1_TX_PAUSE_ON_INT_BIT	BIT(28)
+#define GMAC1_RX_PAUSE_OFF_INT_BIT	BIT(27)
+#define GMAC1_TX_PAUSE_OFF_INT_BIT	BIT(26)
+#define GMAC1_RX_OVERRUN_INT_BIT	BIT(25)
+#define GMAC1_STATUS_CHANGE_INT_BIT	BIT(24)
+#define GMAC0_RESERVED_INT_BIT		BIT(23)
+#define GMAC0_MIB_INT_BIT			BIT(22)
+#define GMAC0_RX_PAUSE_ON_INT_BIT	BIT(21)
+#define GMAC0_TX_PAUSE_ON_INT_BIT	BIT(20)
+#define GMAC0_RX_PAUSE_OFF_INT_BIT	BIT(19)
+#define GMAC0_TX_PAUSE_OFF_INT_BIT	BIT(18)
+#define GMAC0_RX_OVERRUN_INT_BIT	BIT(17)
+#define GMAC0_STATUS_CHANGE_INT_BIT	BIT(16)
+#define CLASS_RX_FULL_INT_BIT(x)	BIT((x+2))
+#define HWFQ_EMPTY_INT_BIT			BIT(1)
+#define SWFQ_EMPTY_INT_BIT			BIT(0)
+
+#if 1
+#define GMAC0_INT_BITS				(GMAC0_MIB_INT_BIT)
+#define GMAC1_INT_BITS				(GMAC1_MIB_INT_BIT)
+#else
+#define GMAC0_INT_BITS				(GMAC0_RESERVED_INT_BIT | GMAC0_MIB_INT_BIT | \
+									 GMAC0_RX_PAUSE_ON_INT_BIT | GMAC0_TX_PAUSE_ON_INT_BIT |	\
+									 GMAC0_RX_PAUSE_OFF_INT_BIT | GMAC0_TX_PAUSE_OFF_INT_BIT | 	\
+									 GMAC0_RX_OVERRUN_INT_BIT | GMAC0_STATUS_CHANGE_INT_BIT)
+#define GMAC1_INT_BITS				(GMAC1_RESERVED_INT_BIT | GMAC1_MIB_INT_BIT | \
+									 GMAC1_RX_PAUSE_ON_INT_BIT | GMAC1_TX_PAUSE_ON_INT_BIT |	\
+									 GMAC1_RX_PAUSE_OFF_INT_BIT | GMAC1_TX_PAUSE_OFF_INT_BIT | 	\
+									 GMAC1_RX_OVERRUN_INT_BIT | GMAC1_STATUS_CHANGE_INT_BIT)
+#endif
+
+#define CLASS_RX_FULL_INT_BITS		0xfffc
+
+/**********************************************************************
+ * GLOBAL_QUEUE_THRESHOLD_REG 	(offset 0x0070)
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_0070_2
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int	toe_class	: 8;	// 31:24
+		unsigned int	intrq		: 8;	// 23:16
+		unsigned int    hwfq_empty	: 8;	// 15:8		Hardware Free Queue Empty Threshold
+		unsigned int    swfq_empty	: 8;	//  7:0  	Software Free Queue Empty Threshold
+#else
+#endif
+		unsigned int    swfq_empty	: 8;	//  7:0  	Software Free Queue Empty Threshold
+		unsigned int    hwfq_empty	: 8;	// 15:8		Hardware Free Queue Empty Threshold
+		unsigned int	intrq		: 8;	// 23:16
+		unsigned int	toe_class	: 8;	// 31:24
+	} bits;
+} QUEUE_THRESHOLD_T;
+
+
+/**********************************************************************
+ * GMAC DMA Control Register
+ * GMAC0 offset 0x8000
+ * GMAC1 offset 0xC000
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_8000
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int    rd_enable		: 1;	// bit 31	Rx DMA Enable
+		unsigned int    td_enable		: 1;	// bit 30	Tx DMA Enable
+		unsigned int    loopback		: 1;	// bit 29	Loopback TxDMA to RxDMA
+		unsigned int    drop_small_ack	: 1;	// bit 28	1: Drop, 0: Accept
+		unsigned int	reserved		: 10;	// bit 27:18
+		unsigned int	rd_insert_bytes	: 2;	// bit 17:16
+		unsigned int	rd_prot			: 4;	// bit 15:12 DMA Protection Control
+		unsigned int	rd_burst_size	: 2;	// bit 11:10 DMA max burst size for every AHB request
+		unsigned int	rd_bus		    : 2;	// bit 9:8 	Peripheral Bus Width
+		unsigned int	td_prot			: 4;	// bit 7:4  TxDMA protection control
+		unsigned int	td_burst_size	: 2;	// bit 3:2	TxDMA max burst size for every AHB request
+		unsigned int	td_bus		    : 2;	// bit 1:0  Peripheral Bus Width
+#else
+		unsigned int	td_bus		    : 2;	// bit 1:0  Peripheral Bus Width
+		unsigned int	td_burst_size	: 2;	// bit 3:2	TxDMA max burst size for every AHB request
+		unsigned int	td_prot			: 4;	// bit 7:4  TxDMA protection control
+		unsigned int	rd_bus		    : 2;	// bit 9:8 	Peripheral Bus Width
+		unsigned int	rd_burst_size	: 2;	// bit 11:10 DMA max burst size for every AHB request
+		unsigned int	rd_prot			: 4;	// bit 15:12 DMA Protection Control
+		unsigned int	rd_insert_bytes	: 2;	// bit 17:16
+		unsigned int	reserved		: 10;	// bit 27:18
+		unsigned int    drop_small_ack	: 1;	// bit 28	1: Drop, 0: Accept
+		unsigned int    loopback		: 1;	// bit 29	Loopback TxDMA to RxDMA
+		unsigned int    td_enable		: 1;	// bit 30	Tx DMA Enable
+		unsigned int    rd_enable		: 1;	// bit 31	Rx DMA Enable
+#endif
+	} bits;
+} GMAC_DMA_CTRL_T;
+
+/**********************************************************************
+ * GMAC Tx Weighting Control Register 0
+ * GMAC0 offset 0x8004
+ * GMAC1 offset 0xC004
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_8004
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int    reserved		: 8;	// bit 31:24
+		unsigned int    hw_tq3			: 6;	// bit 23:18	HW TX Queue 0
+		unsigned int    hw_tq2			: 6;	// bit 17:12	HW TX Queue 1
+		unsigned int    hw_tq1			: 6;	// bit 11:6		HW TX Queue 2
+		unsigned int    hw_tq0			: 6;	// bit 5:0		HW TX Queue 3
+#else
+		unsigned int    hw_tq0			: 6;	// bit 5:0		HW TX Queue 3
+		unsigned int    hw_tq1			: 6;	// bit 11:6		HW TX Queue 2
+		unsigned int    hw_tq2			: 6;	// bit 17:12	HW TX Queue 1
+		unsigned int    hw_tq3			: 6;	// bit 23:18	HW TX Queue 0
+		unsigned int    reserved		: 8;	// bit 31:24
+#endif
+	} bits;
+} GMAC_TX_WCR0_T;	// Weighting Control Register 0
+
+/**********************************************************************
+ * GMAC Tx Weighting Control Register 1
+ * GMAC0 offset 0x8008
+ * GMAC1 offset 0xC008
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_8008
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int    reserved		: 2;	// bit 31:30
+		unsigned int    sw_tq5			: 5;	// bit 29:25	SW TX Queue 5
+		unsigned int    sw_tq4			: 5;	// bit 24:20	SW TX Queue 4
+		unsigned int    sw_tq3			: 5;	// bit 19:15	SW TX Queue 3
+		unsigned int    sw_tq2			: 5;	// bit 14:10	SW TX Queue 2
+		unsigned int    sw_tq1			: 5;	// bit 9:5		SW TX Queue 1
+		unsigned int    sw_tq0			: 5;	// bit 4:0		SW TX Queue 0
+#else
+		unsigned int    sw_tq0			: 5;	// bit 4:0		SW TX Queue 0
+		unsigned int    sw_tq1			: 5;	// bit 9:5		SW TX Queue 1
+		unsigned int    sw_tq2			: 5;	// bit 14:10	SW TX Queue 2
+		unsigned int    sw_tq3			: 5;	// bit 19:15	SW TX Queue 3
+		unsigned int    sw_tq4			: 5;	// bit 24:20	SW TX Queue 4
+		unsigned int    sw_tq5			: 5;	// bit 29:25	SW TX Queue 5
+		unsigned int    reserved		: 2;	// bit 31:30
+#endif
+	} bits;
+} GMAC_TX_WCR1_T;	// Weighting Control Register 1
+
+/**********************************************************************
+ * Queue Read/Write Pointer
+ * GMAC SW TX Queue 0~5 Read/Write Pointer register
+ * GMAC0 offset 0x800C ~ 0x8020
+ * GMAC1 offset 0xC00C ~ 0xC020
+ * GMAC HW TX Queue 0~3 Read/Write Pointer register
+ * GMAC0 offset 0x8024 ~ 0x8030
+ * GMAC1 offset 0xC024 ~ 0xC030
+ **********************************************************************/
+// see DMA_RWPTR_T structure
+
+/**********************************************************************
+ * GMAC DMA Tx First Description Address Register
+ * GMAC0 offset 0x8038
+ * GMAC1 offset 0xC038
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_8038
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int td_first_des_ptr	: 28;	// bit 31:4	first descriptor address
+		unsigned int td_busy			:  1;	// bit 3	1: TxDMA busy; 0: TxDMA idle
+		unsigned int reserved			:  3;
+#else
+		unsigned int reserved			:  3;
+		unsigned int td_busy			:  1;	// bit 3	1: TxDMA busy; 0: TxDMA idle
+		unsigned int td_first_des_ptr	: 28;	// bit 31:4	first descriptor address
+#endif
+	} bits;
+} GMAC_TXDMA_FIRST_DESC_T;
+
+/**********************************************************************
+ * GMAC DMA Tx Current Description Address Register
+ * GMAC0 offset 0x803C
+ * GMAC1 offset 0xC03C
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_803C
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int td_curr_desc_ptr	: 28;	// bit 31:4	current descriptor address
+		unsigned int reserved			:  4;
+#else
+		unsigned int reserved			:  4;
+		unsigned int td_curr_desc_ptr	: 28;	// bit 31:4	current descriptor address
+#endif
+	} bits;
+} GMAC_TXDMA_CURR_DESC_T;
+
+/**********************************************************************
+ * GMAC DMA Tx Description Word 0 Register
+ * GMAC0 offset 0x8040
+ * GMAC1 offset 0xC040
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_8040
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int reserved		: 1;	// bit 31
+		unsigned int derr			: 1;	// bit 30	 data error during processing this descriptor
+		unsigned int perr			: 1;	// bit 29	 protocol error during processing this descriptor
+		unsigned int status_rvd		: 6;	// bit 28:23 Tx Status, Reserved bits
+		unsigned int status_tx_ok	: 1;	// bit 22    Tx Status, 1: Successful 0: Failed
+		unsigned int desc_count 	: 6;	// bit 21:16 number of descriptors used for the current frame
+		unsigned int buffer_size 	: 16;	// bit 15:0  Transfer size
+#else
+		unsigned int buffer_size 	: 16;	// bit 15:0  Transfer size
+		unsigned int desc_count 	: 6;	// bit 21:16 number of descriptors used for the current frame
+		unsigned int status_tx_ok	: 1;	// bit 22    Tx Status, 1: Successful 0: Failed
+		unsigned int status_rvd		: 6;	// bit 28:23 Tx Status, Reserved bits
+		unsigned int perr			: 1;	// bit 29	 protocol error during processing this descriptor
+		unsigned int derr			: 1;	// bit 30	 data error during processing this descriptor
+		unsigned int reserved		: 1;	// bit 31
+#endif
+	} bits;
+} GMAC_TXDESC_0_T;
+
+/**********************************************************************
+ * GMAC DMA Tx Description Word 1 Register
+ * GMAC0 offset 0x8044
+ * GMAC1 offset 0xC044
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct txdesc_word1
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int	reserved	: 9;	// bit 31:23 	Tx Flag, Reserved
+		unsigned int	ip_fixed_len: 1;	// bit 22
+		unsigned int	bypass_tss	: 1;	// bit 21
+		unsigned int	udp_chksum	: 1;	// bit 20		UDP Checksum Enable
+		unsigned int	tcp_chksum	: 1;	// bit 19		TCP Checksum Enable
+		unsigned int	ipv6_enable	: 1;	// bit 18		IPV6 Tx Enable
+		unsigned int	ip_chksum	: 1;	// bit 17		IPV4 Header Checksum Enable
+		unsigned int	mtu_enable	: 1;	// bit 16		TSS segmentation use MTU setting
+		unsigned int	byte_count	: 16;	// bit 15: 0	Tx Frame Byte Count
+#else
+		unsigned int	byte_count	: 16;	// bit 15: 0	Tx Frame Byte Count
+		unsigned int	mtu_enable	: 1;	// bit 16		TSS segmentation use MTU setting
+		unsigned int	ip_chksum	: 1;	// bit 17		IPV4 Header Checksum Enable
+		unsigned int	ipv6_enable	: 1;	// bit 18		IPV6 Tx Enable
+		unsigned int	tcp_chksum	: 1;	// bit 19		TCP Checksum Enable
+		unsigned int	udp_chksum	: 1;	// bit 20		UDP Checksum Enable
+		unsigned int	bypass_tss	: 1;	// bit 21
+		unsigned int	ip_fixed_len: 1;	// bit 22
+		unsigned int	reserved	: 9;	// bit 31:23 	Tx Flag, Reserved
+#endif
+	} bits;
+} GMAC_TXDESC_1_T;
+
+#define TSS_IP_FIXED_LEN_BIT	BIT(22)
+#define TSS_UDP_CHKSUM_BIT		BIT(20)
+#define TSS_TCP_CHKSUM_BIT		BIT(19)
+#define TSS_IPV6_ENABLE_BIT		BIT(18)
+#define TSS_IP_CHKSUM_BIT		BIT(17)
+#define TSS_MTU_ENABLE_BIT		BIT(16)
+
+/**********************************************************************
+ * GMAC DMA Tx Description Word 2 Register
+ * GMAC0 offset 0x8048
+ * GMAC1 offset 0xC048
+ **********************************************************************/
+typedef union
+{
+	unsigned int	bits32;
+	unsigned int 	buf_adr;
+} GMAC_TXDESC_2_T;
+
+/**********************************************************************
+ * GMAC DMA Tx Description Word 3 Register
+ * GMAC0 offset 0x804C
+ * GMAC1 offset 0xC04C
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct txdesc_word3
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int	sof_eof		: 2;	// bit 31:30 	11: only one, 10: first, 01: last, 00: linking
+		unsigned int	eofie		: 1;	// bit 29		End of frame interrupt enable
+		unsigned int	reserved	: 18;	// bit 28:11
+		unsigned int	mtu_size	: 11;	// bit 10: 0	Tx Frame Byte Count
+#else
+		unsigned int	mtu_size	: 11;	// bit 10: 0	Tx Frame Byte Count
+		unsigned int	reserved	: 18;	// bit 28:11
+		unsigned int	eofie		: 1;	// bit 29		End of frame interrupt enable
+		unsigned int	sof_eof		: 2;	// bit 31:30 	11: only one, 10: first, 01: last, 00: linking
+#endif
+	} bits;
+} GMAC_TXDESC_3_T;
+#define SOF_EOF_BIT_MASK	0x3fffffff
+#define SOF_BIT				0x80000000
+#define EOF_BIT				0x40000000
+#define EOFIE_BIT			BIT(29)
+#define MTU_SIZE_BIT_MASK	0x7ff
+
+/**********************************************************************
+ * GMAC Tx Descriptor
+ **********************************************************************/
+typedef struct
+{
+	GMAC_TXDESC_0_T	word0;
+	GMAC_TXDESC_1_T	word1;
+	GMAC_TXDESC_2_T	word2;
+	GMAC_TXDESC_3_T	word3;
+} GMAC_TXDESC_T;
+
+
+/**********************************************************************
+ * GMAC DMA Rx First Description Address Register
+ * GMAC0 offset 0x8058
+ * GMAC1 offset 0xC058
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_8058
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int rd_first_des_ptr	: 28;	// bit 31:4 first descriptor address
+		unsigned int rd_busy			:  1;	// bit 3	1-RxDMA busy; 0-RxDMA idle
+		unsigned int reserved			:  3;	// bit 2:0
+#else
+		unsigned int reserved			:  3;	// bit 2:0
+		unsigned int rd_busy			:  1;	// bit 3	1-RxDMA busy; 0-RxDMA idle
+		unsigned int rd_first_des_ptr	: 28;	// bit 31:4 first descriptor address
+#endif
+	} bits;
+} GMAC_RXDMA_FIRST_DESC_T;
+
+/**********************************************************************
+ * GMAC DMA Rx Current Description Address Register
+ * GMAC0 offset 0x805C
+ * GMAC1 offset 0xC05C
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_805C
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int rd_curr_des_ptr	: 28;	// bit 31:4 current descriptor address
+		unsigned int reserved			:  4;	// bit 3:0
+#else
+		unsigned int reserved			:  4;	// bit 3:0
+		unsigned int rd_curr_des_ptr	: 28;	// bit 31:4 current descriptor address
+#endif
+	} bits;
+} GMAC_RXDMA_CURR_DESC_T;
+
+/**********************************************************************
+ * GMAC DMA Rx Description Word 0 Register
+ * GMAC0 offset 0x8060
+ * GMAC1 offset 0xC060
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_8060
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int drop			: 1;	// bit 31	 TOE/CIS Queue Full dropped packet to default queue
+		unsigned int derr			: 1;	// bit 30	 data error during processing this descriptor
+		unsigned int perr			: 1;	// bit 29	 protocol error during processing this descriptor
+		unsigned int chksum_status	: 3;	// bit 28:26 Check Sum Status
+		unsigned int status			: 4;	// bit 24:22 Status of rx frame
+		unsigned int desc_count 	: 6;	// bit 21:16 number of descriptors used for the current frame
+		unsigned int buffer_size 	: 16;	// bit 15:0  number of descriptors used for the current frame
+#else
+		unsigned int buffer_size 	: 16;	// bit 15:0  number of descriptors used for the current frame
+		unsigned int desc_count 	: 6;	// bit 21:16 number of descriptors used for the current frame
+		unsigned int status			: 4;	// bit 24:22 Status of rx frame
+		unsigned int chksum_status	: 3;	// bit 28:26 Check Sum Status
+		unsigned int perr			: 1;	// bit 29	 protocol error during processing this descriptor
+		unsigned int derr			: 1;	// bit 30	 data error during processing this descriptor
+		unsigned int drop			: 1;	// bit 31	 TOE/CIS Queue Full dropped packet to default queue
+#endif
+	} bits;
+} GMAC_RXDESC_0_T;
+
+#define		GMAC_RXDESC_0_T_derr				BIT(30)
+#define		GMAC_RXDESC_0_T_perr				BIT(29)
+#define		GMAC_RXDESC_0_T_chksum_status(x)	BIT((x+26))
+#define		GMAC_RXDESC_0_T_status(x)			BIT((x+22))
+#define		GMAC_RXDESC_0_T_desc_count(x)		BIT((x+16))
+
+#define	RX_CHKSUM_IP_UDP_TCP_OK			0
+#define	RX_CHKSUM_IP_OK_ONLY			1
+#define	RX_CHKSUM_NONE					2
+#define	RX_CHKSUM_IP_ERR_UNKNOWN		4
+#define	RX_CHKSUM_IP_ERR				5
+#define	RX_CHKSUM_TCP_UDP_ERR			6
+#define RX_CHKSUM_NUM					8
+
+#define RX_STATUS_GOOD_FRAME			0
+#define RX_STATUS_TOO_LONG_GOOD_CRC		1
+#define RX_STATUS_RUNT_FRAME			2
+#define RX_STATUS_SFD_NOT_FOUND			3
+#define RX_STATUS_CRC_ERROR				4
+#define RX_STATUS_TOO_LONG_BAD_CRC		5
+#define RX_STATUS_ALIGNMENT_ERROR		6
+#define RX_STATUS_TOO_LONG_BAD_ALIGN	7
+#define RX_STATUS_RX_ERR				8
+#define RX_STATUS_DA_FILTERED			9
+#define RX_STATUS_BUFFER_FULL			10
+#define RX_STATUS_NUM					16
+
+
+/**********************************************************************
+ * GMAC DMA Rx Description Word 1 Register
+ * GMAC0 offset 0x8064
+ * GMAC1 offset 0xC064
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct rxdesc_word1
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int	sw_id		: 16;	// bit 31:16	Software ID
+		unsigned int	byte_count	: 16;	// bit 15: 0	Rx Frame Byte Count
+#else
+		unsigned int	byte_count	: 16;	// bit 15: 0	Rx Frame Byte Count
+		unsigned int	sw_id		: 16;	// bit 31:16	Software ID
+#endif
+	} bits;
+} GMAC_RXDESC_1_T;
+
+/**********************************************************************
+ * GMAC DMA Rx Description Word 2 Register
+ * GMAC0 offset 0x8068
+ * GMAC1 offset 0xC068
+ **********************************************************************/
+typedef union
+{
+	unsigned int	bits32;
+	unsigned int	buf_adr;
+} GMAC_RXDESC_2_T;
+
+#define RX_INSERT_NONE		0
+#define RX_INSERT_1_BYTE	1
+#define RX_INSERT_2_BYTE	2
+#define RX_INSERT_3_BYTE	3
+
+#define RX_INSERT_BYTES		RX_INSERT_2_BYTE
+/**********************************************************************
+ * GMAC DMA Rx Description Word 3 Register
+ * GMAC0 offset 0x806C
+ * GMAC1 offset 0xC06C
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct rxdesc_word3
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int	sof_eof		: 2;	// bit 31:30 	11: only one, 10: first, 01: last, 00: linking
+		unsigned int	eofie		: 1;	// bit 29		End of frame interrupt enable
+		unsigned int	ctrl_flag	: 1;	// bit 28 		Control Flag is present
+		unsigned int	out_of_seq	: 1;	// bit 27		Out of Sequence packet
+		unsigned int	option		: 1;	// bit 26		IPV4 option or IPV6 extension header
+		unsigned int	abnormal	: 1;	// bit 25		abnormal case found
+		unsigned int	dup_ack		: 1;	// bit 24		Duplicated ACK detected
+		unsigned int	l7_offset	: 8;	// bit 23: 16	L7 data offset
+		unsigned int	l4_offset	: 8;	// bit 15: 8	L4 data offset
+		unsigned int	l3_offset	: 8;	// bit 7: 0		L3 data offset
+#else
+		unsigned int	l3_offset	: 8;	// bit 7: 0		L3 data offset
+		unsigned int	l4_offset	: 8;	// bit 15: 8	L4 data offset
+		unsigned int	l7_offset	: 8;	// bit 23: 16	L7 data offset
+		unsigned int	dup_ack		: 1;	// bit 24		Duplicated ACK detected
+		unsigned int	abnormal	: 1;	// bit 25		abnormal case found
+		unsigned int	option		: 1;	// bit 26		IPV4 option or IPV6 extension header
+		unsigned int	out_of_seq	: 1;	// bit 27		Out of Sequence packet
+		unsigned int	ctrl_flag	: 1;	// bit 28 		Control Flag is present
+		unsigned int	eofie		: 1;	// bit 29		End of frame interrupt enable
+		unsigned int	sof_eof		: 2;	// bit 31:30 	11: only one, 10: first, 01: last, 00: linking
+#endif
+	} bits;
+} GMAC_RXDESC_3_T;
+
+/**********************************************************************
+ * GMAC Rx Descriptor
+ **********************************************************************/
+typedef struct
+{
+	GMAC_RXDESC_0_T	word0;
+	GMAC_RXDESC_1_T	word1;
+	GMAC_RXDESC_2_T	word2;
+	GMAC_RXDESC_3_T	word3;
+} GMAC_RXDESC_T;
+
+/**********************************************************************
+ * GMAC Hash Engine Enable/Action Register 0 Offset Register
+ * GMAC0 offset 0x8070
+ * GMAC1 offset 0xC070
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_8070
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int	mr1en		: 1;	// bit 31		Enable Matching Rule 1
+		unsigned int	reserved1	: 1;	// bit 30
+		unsigned int	timing		: 3;	// bit 29:27
+		unsigned int	mr1_action	: 5;	// bit 26:22	Matching Rule 1 action offset
+		unsigned int	mr1hel		: 6;	// bit 21:16	match rule 1 hash entry size
+		unsigned int	mr0en		: 1;	// bit 15		Enable Matching Rule 0
+		unsigned int	reserved0	: 4;	// bit 14:11
+		unsigned int	mr0_action	: 5;	// bit 10:6		Matching Rule 0 action offset
+		unsigned int	mr0hel		: 6;	// bit 5:0		match rule 0 hash entry size
+#else
+		unsigned int	mr0hel		: 6;	// bit 5:0		match rule 0 hash entry size
+		unsigned int	mr0_action	: 5;	// bit 10:6		Matching Rule 0 action offset
+		unsigned int	reserved0	: 4;	// bit 14:11
+		unsigned int	mr0en		: 1;	// bit 15		Enable Matching Rule 0
+		unsigned int	mr1hel		: 6;	// bit 21:16	match rule 1 hash entry size
+		unsigned int	mr1_action	: 5;	// bit 26:22	Matching Rule 1 action offset
+		unsigned int	timing		: 3;	// bit 29:27
+		unsigned int	reserved1	: 1;	// bit 30
+		unsigned int	mr1en		: 1;	// bit 31		Enable Matching Rule 1
+#endif
+	} bits;
+} GMAC_HASH_ENABLE_REG0_T;
+
+/**********************************************************************
+ * GMAC Hash Engine Enable/Action Register 1 Offset Register
+ * GMAC0 offset 0x8074
+ * GMAC1 offset 0xC074
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_8074
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int	mr3en		: 1;	// bit 31		Enable Matching Rule 3
+		unsigned int	reserved3	: 4;	// bit 30:27
+		unsigned int	mr3_action	: 5;	// bit 26:22	Matching Rule 3 action offset
+		unsigned int	mr3hel		: 6;	// bit 21:16	match rule 3 hash entry size
+		unsigned int	mr2en		: 1;	// bit 15		Enable Matching Rule 2
+		unsigned int	reserved2	: 4;	// bit 14:11
+		unsigned int	mr2_action	: 5;	// bit 10:6		Matching Rule 2 action offset
+		unsigned int	mr2hel		: 6;	// bit 5:0		match rule 2 hash entry size
+#else
+		unsigned int	mr2hel		: 6;	// bit 5:0		match rule 2 hash entry size
+		unsigned int	mr2_action	: 5;	// bit 10:6		Matching Rule 2 action offset
+		unsigned int	reserved2	: 4;	// bit 14:11
+		unsigned int	mr2en		: 1;	// bit 15		Enable Matching Rule 2
+		unsigned int	mr3hel		: 6;	// bit 21:16	match rule 3 hash entry size
+		unsigned int	mr3_action	: 5;	// bit 26:22	Matching Rule 3 action offset
+		unsigned int	reserved1	: 4;	// bit 30:27
+		unsigned int	mr3en		: 1;	// bit 31		Enable Matching Rule 3
+#endif
+	} bits;
+} GMAC_HASH_ENABLE_REG1_T;
+
+
+/**********************************************************************
+ * GMAC Matching Rule Control Register 0
+ * GMAC0 offset 0x8078
+ * GMAC1 offset 0xC078
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_8078
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int	l2			: 1;	// bit 31		L2 matching enable
+		unsigned int	l3			: 1;	// bit 30		L3 matching enable
+		unsigned int	l4			: 1;	// bit 29		L4 matching enable
+		unsigned int	l7			: 1;	// bit 28		L7 matching enable
+		unsigned int	port		: 1;	// bit 27		PORT ID matching enable
+		unsigned int	priority	: 3;	// bit 26:24	priority if multi-rules matched
+		unsigned int	da			: 1;	// bit 23		MAC DA enable
+		unsigned int	sa			: 1;	// bit 22		MAC SA enable
+		unsigned int	ether_type	: 1;	// bit 21		Ethernet type enable
+		unsigned int	vlan		: 1;	// bit 20		VLAN ID enable
+		unsigned int	pppoe		: 1;	// bit 19		PPPoE Session ID enable
+		unsigned int	reserved1	: 3;	// bit 18:16
+		unsigned int	ip_version	: 1;	// bit 15		0: IPV4, 1: IPV6
+		unsigned int	ip_hdr_len	: 1;	// bit 14		IPV4 Header length
+		unsigned int	flow_lable	: 1;	// bit 13		IPV6 Flow label
+		unsigned int	tos_traffic	: 1;	// bit 12		IPV4 TOS or IPV6 Traffice Class
+		unsigned int	reserved2	: 4;	// bit 11:8
+		unsigned int	sprx		: 8;	// bit 7:0		Support Protocol Register 7:0
+#else
+		unsigned int	sprx		: 8;	// bit 7:0		Support Protocol Register 7:0
+		unsigned int	reserved2	: 4;	// bit 11:8
+		unsigned int	tos_traffic	: 1;	// bit 12		IPV4 TOS or IPV6 Traffice Class
+		unsigned int	flow_lable	: 1;	// bit 13		IPV6 Flow label
+		unsigned int	ip_hdr_len	: 1;	// bit 14		IPV4 Header length
+		unsigned int	ip_version	: 1;	// bit 15		0: IPV4, 1: IPV6
+		unsigned int	reserved1	: 3;	// bit 18:16
+		unsigned int	pppoe		: 1;	// bit 19		PPPoE Session ID enable
+		unsigned int	vlan		: 1;	// bit 20		VLAN ID enable
+		unsigned int	ether_type	: 1;	// bit 21		Ethernet type enable
+		unsigned int	sa			: 1;	// bit 22		MAC SA enable
+		unsigned int	da			: 1;	// bit 23		MAC DA enable
+		unsigned int	priority	: 3;	// bit 26:24	priority if multi-rules matched
+		unsigned int	port		: 1;	// bit 27		PORT ID matching enable
+		unsigned int	l7			: 1;	// bit 28		L7 matching enable
+		unsigned int	l4			: 1;	// bit 29		L4 matching enable
+		unsigned int	l3			: 1;	// bit 30		L3 matching enable
+		unsigned int	l2			: 1;	// bit 31		L2 matching enable
+#endif
+	} bits;
+} GMAC_MRxCR0_T;
+
+#define MR_L2_BIT			BIT(31)
+#define MR_L3_BIT			BIT(30)
+#define MR_L4_BIT			BIT(29)
+#define MR_L7_BIT			BIT(28)
+#define MR_PORT_BIT			BIT(27)
+#define MR_PRIORITY_BIT		BIT(26)
+#define MR_DA_BIT			BIT(23)
+#define MR_SA_BIT			BIT(22)
+#define MR_ETHER_TYPE_BIT	BIT(21)
+#define MR_VLAN_BIT			BIT(20)
+#define MR_PPPOE_BIT		BIT(19)
+#define MR_IP_VER_BIT		BIT(15)
+#define MR_IP_HDR_LEN_BIT	BIT(14)
+#define MR_FLOW_LABLE_BIT	BIT(13)
+#define MR_TOS_TRAFFIC_BIT	BIT(12)
+#define MR_SPR_BIT(x)		BIT(x)
+#define MR_SPR_BITS		0xff
+
+/**********************************************************************
+ * GMAC Matching Rule Control Register 1
+ * GMAC0 offset 0x807C
+ * GMAC1 offset 0xC07C
+ **********************************************************************/
+ typedef union
+{
+	unsigned int bits32;
+	struct bit_807C
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int	sip			: 1;	// bit 31		Srce IP
+		unsigned int	sip_netmask	: 7;	// bit 30:24	Srce IP net mask, number of mask bits
+		unsigned int	dip			: 1;	// bit 23		Dest IP
+		unsigned int	dip_netmask	: 7;	// bit 22:16	Dest IP net mask, number of mask bits
+		unsigned int    l4_byte0_15	: 16;	// bit 15: 0
+#else
+		unsigned int    l4_byte0_15	: 16;	// bit 15: 0
+		unsigned int	dip_netmask	: 7;	// bit 22:16	Dest IP net mask, number of mask bits
+		unsigned int	dip			: 1;	// bit 23		Dest IP
+		unsigned int	sip_netmask	: 7;	// bit 30:24	Srce IP net mask, number of mask bits
+		unsigned int	sip			: 1;	// bit 31		Srce IP
+#endif
+	} bits;
+} GMAC_MRxCR1_T;
+
+/**********************************************************************
+ * GMAC Matching Rule Control Register 2
+ * GMAC0 offset 0x8080
+ * GMAC1 offset 0xC080
+ **********************************************************************/
+ typedef union
+{
+	unsigned int bits32;
+	struct bit_8080
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int    l4_byte16_24: 8;	// bit 31: 24
+		unsigned int    l7_byte0_23	: 24;	// bit 23:0
+#else
+		unsigned int    l7_byte0_23	: 24;	// bit 23:0
+		unsigned int    l4_byte16_24: 8;	// bit 31: 24
+#endif
+	} bits;
+} GMAC_MRxCR2_T;
+
+
+/**********************************************************************
+ * GMAC Support registers
+ * GMAC0 offset 0x80A8
+ * GMAC1 offset 0xC0A8
+ **********************************************************************/
+ typedef union
+{
+	unsigned int bits32;
+	struct bit_80A8
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int    reserved: 21;	// bit 31:11
+		unsigned int    swap	: 3;	// bit 10:8		Swap
+		unsigned int    protocol: 8;	// bit 7:0		Supported protocol
+#else
+		unsigned int    protocol: 8;	// bit 7:0		Supported protocol
+		unsigned int    swap	: 3;	// bit 10:8		Swap
+		unsigned int    reserved: 21;	// bit 31:11
+#endif
+	} bits;
+} GMAC_SPR_T;
+
+/**********************************************************************
+ * GMAC_AHB_WEIGHT registers
+ * GMAC0 offset 0x80C8
+ * GMAC1 offset 0xC0C8
+ **********************************************************************/
+ typedef union
+{
+	unsigned int bits32;
+	struct bit_80C8
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int    reserved		: 7;	// 31:25
+		unsigned int    tqDV_threshold	: 5;	// 24:20 DMA TqCtrl to Start tqDV FIFO Threshold
+		unsigned int    pre_req			: 5;	// 19:15 Rx Data Pre Request FIFO Threshold
+		unsigned int    tx_weight		: 5;	// 14:10
+		unsigned int    rx_weight		: 5;	// 9:5
+		unsigned int    hash_weight		: 5;	// 4:0
+#else
+		unsigned int    hash_weight		: 5;	// 4:0
+		unsigned int    rx_weight		: 5;	// 9:5
+		unsigned int    tx_weight		: 5;	// 14:10
+		unsigned int    pre_req			: 5;	// 19:15 Rx Data Pre Request FIFO Threshold
+		unsigned int    tqDV_threshold	: 5;	// 24:20 DMA TqCtrl to Start tqDV FIFO Threshold
+		unsigned int    reserved		: 7;	// 31:25
+#endif
+	} bits;
+} GMAC_AHB_WEIGHT_T;
+/**********************************************************************
+ * the register structure of GMAC
+ **********************************************************************/
+
+/**********************************************************************
+ * GMAC RX FLTR
+ * GMAC0 Offset 0xA00C
+ * GMAC1 Offset 0xE00C
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_000c
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int 				: 27;
+		unsigned int error			:  1;	/* enable receive of all error frames */
+		unsigned int promiscuous	:  1;   /* enable receive of all frames */
+		unsigned int broadcast		:  1;	/* enable receive of broadcast frames */
+		unsigned int multicast		:  1;	/* enable receive of multicast frames that pass multicast filter */
+		unsigned int unicast		:  1;	/* enable receive of unicast frames that are sent to STA address */
+#else
+		unsigned int unicast		:  1;	/* enable receive of unicast frames that are sent to STA address */
+		unsigned int multicast		:  1;	/* enable receive of multicast frames that pass multicast filter */
+		unsigned int broadcast		:  1;	/* enable receive of broadcast frames */
+		unsigned int promiscuous	:  1;   /* enable receive of all frames */
+		unsigned int error			:  1;	/* enable receive of all error frames */
+		unsigned int 				: 27;
+#endif
+	} bits;
+} GMAC_RX_FLTR_T;
+
+/**********************************************************************
+ * GMAC Configuration 0
+ * GMAC0 Offset 0xA018
+ * GMAC1 Offset 0xE018
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_0018
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int reserved		:  2;	// 31
+		unsigned int port1_chk_classq :  1;	// 29
+		unsigned int port0_chk_classq :  1;	// 28
+		unsigned int port1_chk_toeq	:  1;	// 27
+		unsigned int port0_chk_toeq	:  1;	// 26
+		unsigned int port1_chk_hwq	:  1;	// 25
+		unsigned int port0_chk_hwq	:  1;	// 24
+		unsigned int rx_err_detect  :  1;	// 23
+		unsigned int ipv6_exthdr_order: 1;	// 22
+		unsigned int rxc_inv		:  1;	// 21
+		unsigned int rgmm_edge		:  1;	// 20
+        unsigned int rx_tag_remove  :  1;   /* 19: Remove Rx VLAN tag */
+        unsigned int ipv6_rx_chksum :  1;   /* 18: IPv6 RX Checksum enable */
+        unsigned int ipv4_rx_chksum :  1;   /* 17: IPv4 RX Checksum enable */
+        unsigned int rgmii_en       :  1;   /* 16: RGMII in-band status enable */
+		unsigned int tx_fc_en		:  1;	/* 15: TX flow control enable */
+		unsigned int rx_fc_en		:  1;	/* 14: RX flow control enable */
+		unsigned int sim_test		:  1;	/* 13: speed up timers in simulation */
+		unsigned int dis_col		:  1;	/* 12: disable 16 collisions abort function */
+		unsigned int dis_bkoff		:  1;	/* 11: disable back-off function */
+		unsigned int max_len		:  3;	/* 8-10 maximum receive frame length allowed */
+		unsigned int adj_ifg		:  4;	/* 4-7: adjust IFG from 96+/-56 */
+        unsigned int flow_ctrl      :  1;   /* 3: flow control also trigged by Rx queues */
+		unsigned int loop_back		:  1;	/* 2: transmit data loopback enable */
+		unsigned int dis_rx			:  1;	/* 1: disable receive */
+		unsigned int dis_tx			:  1;	/* 0: disable transmit */
+#else
+		unsigned int dis_tx			:  1;	/* 0: disable transmit */
+		unsigned int dis_rx			:  1;	/* 1: disable receive */
+		unsigned int loop_back		:  1;	/* 2: transmit data loopback enable */
+        unsigned int flow_ctrl      :  1;   /* 3: flow control also trigged by Rx queues */
+		unsigned int adj_ifg		:  4;	/* 4-7: adjust IFG from 96+/-56 */
+		unsigned int max_len		:  3;	/* 8-10 maximum receive frame length allowed */
+		unsigned int dis_bkoff		:  1;	/* 11: disable back-off function */
+		unsigned int dis_col		:  1;	/* 12: disable 16 collisions abort function */
+		unsigned int sim_test		:  1;	/* 13: speed up timers in simulation */
+		unsigned int rx_fc_en		:  1;	/* 14: RX flow control enable */
+		unsigned int tx_fc_en		:  1;	/* 15: TX flow control enable */
+        unsigned int rgmii_en       :  1;   /* 16: RGMII in-band status enable */
+        unsigned int ipv4_rx_chksum :  1;   /* 17: IPv4 RX Checksum enable */
+        unsigned int ipv6_rx_chksum :  1;   /* 18: IPv6 RX Checksum enable */
+        unsigned int rx_tag_remove  :  1;   /* 19: Remove Rx VLAN tag */
+		unsigned int rgmm_edge		:  1;	// 20
+		unsigned int rxc_inv		:  1;	// 21
+		unsigned int ipv6_exthdr_order: 1;	// 22
+		unsigned int rx_err_detect  :  1;	// 23
+		unsigned int port0_chk_hwq	:  1;	// 24
+		unsigned int port1_chk_hwq	:  1;	// 25
+		unsigned int port0_chk_toeq	:  1;	// 26
+		unsigned int port1_chk_toeq	:  1;	// 27
+		unsigned int port0_chk_classq :  1;	// 28
+		unsigned int port1_chk_classq :  1;	// 29
+		unsigned int reserved		:  2;	// 31
+#endif
+	} bits;
+} GMAC_CONFIG0_T;
+
+/**********************************************************************
+ * GMAC Configuration 1
+ * GMAC0 Offset 0xA01C
+ * GMAC1 Offset 0xE01C
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_001c
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int reserved		: 16;
+		unsigned int rel_threshold	: 8;	/* flow control release threshold */
+		unsigned int set_threshold	: 8; 	/* flow control set threshold */
+#else
+		unsigned int set_threshold	: 8; 	/* flow control set threshold */
+		unsigned int rel_threshold	: 8;	/* flow control release threshold */
+		unsigned int reserved		: 16;
+#endif
+	} bits;
+} GMAC_CONFIG1_T;
+
+#define GMAC_FLOWCTRL_SET_MAX		32
+#define GMAC_FLOWCTRL_SET_MIN		0
+#define GMAC_FLOWCTRL_RELEASE_MAX	32
+#define GMAC_FLOWCTRL_RELEASE_MIN	0
+
+/**********************************************************************
+ * GMAC Configuration 2
+ * GMAC0 Offset 0xA020
+ * GMAC1 Offset 0xE020
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_0020
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int rel_threshold	: 16;	/* flow control release threshold */
+		unsigned int set_threshold	: 16; 	/* flow control set threshold */
+#else
+		unsigned int set_threshold	: 16; 	/* flow control set threshold */
+		unsigned int rel_threshold	: 16;	/* flow control release threshold */
+#endif
+	} bits;
+} GMAC_CONFIG2_T;
+
+/**********************************************************************
+ * GMAC Configuration 3
+ * GMAC0 Offset 0xA024
+ * GMAC1 Offset 0xE024
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_0024
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int rel_threshold	: 16;	/* flow control release threshold */
+		unsigned int set_threshold	: 16; 	/* flow control set threshold */
+#else
+		unsigned int set_threshold	: 16; 	/* flow control set threshold */
+		unsigned int rel_threshold	: 16;	/* flow control release threshold */
+#endif
+	} bits;
+} GMAC_CONFIG3_T;
+
+
+/**********************************************************************
+ * GMAC STATUS
+ * GMAC0 Offset 0xA02C
+ * GMAC1 Offset 0xE02C
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit1_002c
+	{
+#if (BIG_ENDIAN==1)
+		unsigned int 				: 25;
+		unsigned int mii_rmii		:  2;   /* PHY interface type */
+		unsigned int reserved		:  1;
+		unsigned int duplex			:  1;	/* duplex mode */
+		unsigned int speed			:  2;	/* link speed(00->2.5M 01->25M 10->125M) */
+		unsigned int link			:  1;	/* link status */
+#else
+		unsigned int link			:  1;	/* link status */
+		unsigned int speed			:  2;	/* link speed(00->2.5M 01->25M 10->125M) */
+		unsigned int duplex			:  1;	/* duplex mode */
+		unsigned int reserved		:  1;
+		unsigned int mii_rmii		:  2;   /* PHY interface type */
+		unsigned int 				: 25;
+#endif
+	} bits;
+} GMAC_STATUS_T;
+
+#define GMAC_SPEED_10			0
+#define GMAC_SPEED_100			1
+#define GMAC_SPEED_1000			2
+
+#define GMAC_PHY_MII			0
+#define GMAC_PHY_GMII			1
+#define GMAC_PHY_RGMII_100		2
+#define GMAC_PHY_RGMII_1000		3
+
+/**********************************************************************
+ * Queue Header
+ *	(1) TOE Queue Header
+ *	(2) Non-TOE Queue Header
+ *	(3) Interrupt Queue Header
+ *
+ * memory Layout
+ *	TOE Queue Header
+ *	 0x60003000 +---------------------------+ 0x0000
+ *				|     TOE Queue 0 Header	|
+ *				|         8 * 4 Bytes	    |
+ *				+---------------------------+ 0x0020
+ *				|     TOE Queue 1 Header  	|
+ *				|         8 * 4 Bytes		|
+ *				+---------------------------+ 0x0040
+ *				|   	......  			|
+ *				|      						|
+ *				+---------------------------+
+ *
+ *	Non TOE Queue Header
+ *	 0x60002000 +---------------------------+ 0x0000
+ *				|   Default Queue 0 Header  |
+ *				|         2 * 4 Bytes		|
+ *				+---------------------------+ 0x0008
+ *				|   Default Queue 1 Header	|
+ *				|         2 * 4 Bytes		|
+ *				+---------------------------+ 0x0010
+ *				|   Classification Queue 0	|
+ *				|      	  2 * 4 Bytes		|
+ *				+---------------------------+
+ *				|   Classification Queue 1	|
+ *				|      	  2 * 4 Bytes		|
+ *				+---------------------------+ (n * 8 + 0x10)
+ *				|   		...				|
+ *				|      	  2 * 4 Bytes		|
+ *				+---------------------------+ (13 * 8 + 0x10)
+ *				|   Classification Queue 13	|
+ *				|      	  2 * 4 Bytes		|
+ *				+---------------------------+ 0x80
+ * 				|      Interrupt Queue 0	|
+ *				|      	  2 * 4 Bytes		|
+ *				+---------------------------+
+ * 				|      Interrupt Queue 1	|
+ *				|      	  2 * 4 Bytes		|
+ *				+---------------------------+
+ * 				|      Interrupt Queue 2	|
+ *				|      	  2 * 4 Bytes		|
+ *				+---------------------------+
+ * 				|      Interrupt Queue 3	|
+ *				|      	  2 * 4 Bytes		|
+ *				+---------------------------+
+ *
+ **********************************************************************/
+#define TOE_QUEUE_HDR_ADDR(n)		(TOE_TOE_QUE_HDR_BASE + n * 32)
+#define TOE_Q_HDR_AREA_END			(TOE_QUEUE_HDR_ADDR(TOE_TOE_QUEUE_MAX+1))
+#define TOE_DEFAULT_Q0_HDR_BASE		(TOE_NONTOE_QUE_HDR_BASE + 0x00)
+#define TOE_DEFAULT_Q1_HDR_BASE		(TOE_NONTOE_QUE_HDR_BASE + 0x08)
+#define TOE_CLASS_Q_HDR_BASE		(TOE_NONTOE_QUE_HDR_BASE + 0x10)
+#define TOE_INTR_Q_HDR_BASE			(TOE_NONTOE_QUE_HDR_BASE + 0x80)
+#define INTERRUPT_QUEUE_HDR_ADDR(n)	(TOE_INTR_Q_HDR_BASE + n * 8)
+#define NONTOE_Q_HDR_AREA_END		(INTERRUPT_QUEUE_HDR_ADDR(TOE_INTR_QUEUE_MAX+1))
+/**********************************************************************
+ * TOE Queue Header Word 0
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	unsigned int base_size;
+} TOE_QHDR0_T;
+
+#define TOE_QHDR0_BASE_MASK 	(~0x0f)
+
+/**********************************************************************
+ * TOE Queue Header Word 1
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_qhdr1
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int wptr			: 16;	// bit 31:16
+		unsigned int rptr			: 16;	// bit 15:0
+#else
+		unsigned int rptr			: 16;	// bit 15:0
+		unsigned int wptr			: 16;	// bit 31:16
+#endif
+	} bits;
+} TOE_QHDR1_T;
+
+/**********************************************************************
+ * TOE Queue Header Word 2
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_qhdr2
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int usd			: 1;	// bit 31		0: if no data assembled yet
+		unsigned int ctl			: 1;	// bit 30		1: have control flag bits (except ack)
+		unsigned int osq			: 1;	// bit 29		1: out of sequence
+		unsigned int sat			: 1;	// bit 28		1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
+		unsigned int ip_opt			: 1;	// bit 27		1: have IPV4 option or IPV6 Extension header
+		unsigned int tcp_opt		: 1;	// bit 26		1: Have TCP option
+		unsigned int abn			: 1;	// bit 25		1: Abnormal case Found
+		unsigned int dack			: 1;	// bit 24		1: Duplicated ACK
+		unsigned int reserved		: 7;	// bit 23:17
+		unsigned int TotalPktSize	: 17;	// bit 16: 0	Total packet size
+#else
+		unsigned int TotalPktSize	: 17;	// bit 16: 0	Total packet size
+		unsigned int reserved		: 7;	// bit 23:17
+		unsigned int dack			: 1;	// bit 24		1: Duplicated ACK
+		unsigned int abn			: 1;	// bit 25		1: Abnormal case Found
+		unsigned int tcp_opt		: 1;	// bit 26		1: Have TCP option
+		unsigned int ip_opt			: 1;	// bit 27		1: have IPV4 option or IPV6 Extension header
+		unsigned int sat			: 1;	// bit 28		1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
+		unsigned int osq			: 1;	// bit 29		1: out of sequence
+		unsigned int ctl			: 1;	// bit 30		1: have control flag bits (except ack)
+		unsigned int usd			: 1;	// bit 31		0: if no data assembled yet
+#endif
+	} bits;
+} TOE_QHDR2_T;
+
+/**********************************************************************
+ * TOE Queue Header Word 3
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	unsigned int seq_num;
+} TOE_QHDR3_T;
+
+/**********************************************************************
+ * TOE Queue Header Word 4
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	unsigned int ack_num;
+} TOE_QHDR4_T;
+
+/**********************************************************************
+ * TOE Queue Header Word 5
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_qhdr5
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int SeqCnt		: 16;	// bit 31:16
+		unsigned int AckCnt		: 16;	// bit 15:0
+#else
+		unsigned int AckCnt		: 16;	// bit 15:0
+		unsigned int SeqCnt		: 16;	// bit 31:16
+#endif
+	} bits;
+} TOE_QHDR5_T;
+
+/**********************************************************************
+ * TOE Queue Header Word 6
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_qhdr6
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int MaxPktSize	: 14;	// bit 31:18
+		unsigned int iq_num		: 2;	// bit 17:16
+		unsigned int WinSize	: 16;	// bit 15:0
+#else
+		unsigned int WinSize	: 16;	// bit 15:0
+		unsigned int iq_num		: 2;	// bit 17:16
+		unsigned int MaxPktSize	: 14;	// bit 31:18
+#endif
+	} bits;
+} TOE_QHDR6_T;
+
+/**********************************************************************
+ * TOE Queue Header Word 7
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_qhdr7
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int SeqThreshold	: 16;	// bit 31:16
+		unsigned int AckThreshold	: 16;	// bit 15:0
+#else
+		unsigned int AckThreshold	: 16;	// bit 15:0
+		unsigned int SeqThreshold	: 16;	// bit 31:16
+#endif
+	} bits;
+} TOE_QHDR7_T;
+
+/**********************************************************************
+ * TOE Queue Header
+ **********************************************************************/
+typedef struct
+{
+	TOE_QHDR0_T		word0;
+	TOE_QHDR1_T		word1;
+	TOE_QHDR2_T		word2;
+	TOE_QHDR3_T		word3;
+	TOE_QHDR4_T		word4;
+	TOE_QHDR5_T		word5;
+	TOE_QHDR6_T		word6;
+	TOE_QHDR7_T		word7;
+} TOE_QHDR_T;
+
+/**********************************************************************
+ * NONTOE Queue Header Word 0
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	unsigned int base_size;
+} NONTOE_QHDR0_T;
+
+#define NONTOE_QHDR0_BASE_MASK 	(~0x0f)
+
+/**********************************************************************
+ * NONTOE Queue Header Word 1
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_nonqhdr1
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int wptr			: 16;	// bit 31:16
+		unsigned int rptr			: 16;	// bit 15:0
+#else
+		unsigned int rptr			: 16;	// bit 15:0
+		unsigned int wptr			: 16;	// bit 31:16
+#endif
+	} bits;
+} NONTOE_QHDR1_T;
+
+/**********************************************************************
+ * Non-TOE Queue Header
+ **********************************************************************/
+typedef struct
+{
+	NONTOE_QHDR0_T		word0;
+	NONTOE_QHDR1_T		word1;
+} NONTOE_QHDR_T;
+
+/**********************************************************************
+ * Interrupt Queue Header Word 0
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_intrqhdr0
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int wptr		: 16;	// bit 31:16	Write Pointer where hw stopped
+		unsigned int win_size	: 16;	// bit 15:0 	Descriptor Ring Size
+#else
+		unsigned int win_size	: 16;	// bit 15:0 	Descriptor Ring Size
+		unsigned int wptr		: 16;	// bit 31:16	Write Pointer where hw stopped
+#endif
+	} bits;
+} INTR_QHDR0_T;
+
+/**********************************************************************
+ * Interrupt Queue Header Word 1
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_intrqhdr1
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int ctl			: 1;	// bit 31		1: have control flag bits (except ack)
+		unsigned int osq			: 1;	// bit 30		1: out of sequence
+		unsigned int sat			: 1;	// bit 29		1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
+		unsigned int ip_opt			: 1;	// bit 28		1: have IPV4 option or IPV6 Extension header
+		unsigned int tcp_opt		: 1;	// bit 27		1: Have TCP option
+		unsigned int abn			: 1;	// bit 26		1: Abnormal case Found
+		unsigned int dack			: 1;	// bit 25		1: Duplicated ACK
+		unsigned int tcp_qid		: 8;	// bit 24:17	TCP Queue ID
+		unsigned int TotalPktSize	: 17;	// bit 16: 0	Total packet size
+#else
+		unsigned int TotalPktSize	: 17;	// bit 16: 0	Total packet size
+		unsigned int tcp_qid		: 8;	// bit 24:17	TCP Queue ID
+		unsigned int dack			: 1;	// bit 25		1: Duplicated ACK
+		unsigned int abn			: 1;	// bit 26		1: Abnormal case Found
+		unsigned int tcp_opt		: 1;	// bit 27		1: Have TCP option
+		unsigned int ip_opt			: 1;	// bit 28		1: have IPV4 option or IPV6 Extension header
+		unsigned int sat			: 1;	// bit 29		1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold
+		unsigned int osq			: 1;	// bit 30		1: out of sequence
+		unsigned int ctl			: 1;	// bit 31		1: have control flag bits (except ack)
+#endif
+	} bits;
+} INTR_QHDR1_T;
+
+/**********************************************************************
+ * Interrupt Queue Header Word 2
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	unsigned int seq_num;
+} INTR_QHDR2_T;
+
+/**********************************************************************
+ * Interrupt Queue Header Word 3
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	unsigned int ack_num;
+} INTR_QHDR3_T;
+
+/**********************************************************************
+ * Interrupt Queue Header Word 4
+ **********************************************************************/
+typedef union
+{
+	unsigned int bits32;
+	struct bit_intrqhdr4
+	{
+#if (BIG_ENDIAN==1)
+
+		unsigned int SeqCnt		: 16;	// bit 31:16	Seq# change since last seq# intr.
+		unsigned int AckCnt		: 16;	// bit 15:0     Ack# change since last ack# intr.
+#else
+		unsigned int AckCnt		: 16;	// bit 15:0		Ack# change since last ack# intr.
+		unsigned int SeqCnt		: 16;	// bit 31:16	Seq# change since last seq# intr.
+#endif
+	} bits;
+} INTR_QHDR4_T;
+
+/**********************************************************************
+ * Interrupt Queue Header
+ **********************************************************************/
+typedef struct
+{
+	INTR_QHDR0_T		word0;
+	INTR_QHDR1_T		word1;
+	INTR_QHDR2_T		word2;
+	INTR_QHDR3_T		word3;
+	INTR_QHDR4_T		word4;
+	unsigned int		word5;
+	unsigned int		word6;
+	unsigned int		word7;
+} INTR_QHDR_T;
+
+/**********************************************************************
+ * GMAC Conf
+ **********************************************************************/
+typedef struct gmac_conf {
+	struct net_device *dev;
+	int portmap;
+	int vid;
+	int flag;     /* 1: active  0: non-active */
+} sys_gmac_conf;
+
+/**********************************************************************
+ * GMAC private data
+ **********************************************************************/
+typedef struct {
+	unsigned int		rwptr_reg;
+	unsigned int		desc_base;
+	unsigned int		total_desc_num;
+	unsigned short		finished_idx;
+	GMAC_TXDESC_T		*curr_tx_desc;
+	GMAC_TXDESC_T		*curr_finished_desc;
+	struct sk_buff		*tx_skb[TX_DESC_NUM];
+	unsigned long		total_sent;
+	unsigned long		total_finished;
+	unsigned long		intr_cnt;
+} GMAC_SWTXQ_T;
+
+typedef struct {
+	unsigned int		desc_base;
+	unsigned long 		eof_cnt;
+} GMAC_HWTXQ_T;
+
+typedef struct gmac_private{
+	struct net_device	*dev;
+	unsigned int		existed;
+	unsigned int		port_id;	// 0 or 1
+	unsigned int		base_addr;
+	unsigned int		dma_base_addr;
+	unsigned char		*mac_addr1;
+	unsigned char		*mac_addr2;
+	unsigned int		swtxq_desc_base;
+	unsigned int		hwtxq_desc_base;
+	GMAC_SWTXQ_T		swtxq[TOE_SW_TXQ_NUM];
+	GMAC_HWTXQ_T		hwtxq[TOE_HW_TXQ_NUM];
+	NONTOE_QHDR_T		*default_qhdr;
+	unsigned int		default_desc_base;
+	unsigned int		default_desc_num;
+	unsigned int		rx_curr_desc;
+	DMA_RWPTR_T			rx_rwptr;
+	struct sk_buff		*curr_rx_skb;
+	dma_addr_t			default_desc_base_dma;
+	dma_addr_t			swtxq_desc_base_dma;
+	dma_addr_t			hwtxq_desc_base_dma;
+	unsigned int		irq;
+	unsigned int		flow_control_enable	;
+	unsigned int		pre_phy_status;
+	unsigned int		full_duplex_cfg;
+	unsigned int		speed_cfg;
+	unsigned int		auto_nego_cfg;
+	unsigned int		full_duplex_status;
+	unsigned int		speed_status;
+	unsigned int		phy_mode;	/* 0->MII 1->GMII 2->RGMII(10/100) 3->RGMII(1000) */
+	unsigned int		phy_addr;
+	unsigned int		intr0_enabled;	// 1: enabled
+	unsigned int		intr1_enabled;	// 1: enabled
+	unsigned int		intr2_enabled;	// 1: enabled
+	unsigned int		intr3_enabled;	// 1: enabled
+	unsigned int		intr4_enabled;	// 1: enabled
+//	unsigned int		intr4_enabled_1;	// 1: enabled
+	unsigned int		intr0_selected;	// 1: selected
+	unsigned int		intr1_selected;	// 1: selected
+	unsigned int		intr2_selected;	// 1: selected
+	unsigned int		intr3_selected;	// 1: selected
+	unsigned int		intr4_selected;	// 1: selected
+	// void 				(*gmac_rcv_handler)(struct sk_buff *, int);
+	struct net_device_stats ifStatics;
+	unsigned long		txDerr_cnt[GMAC_NUM];
+	unsigned long		txPerr_cnt[GMAC_NUM];
+	unsigned long		RxDerr_cnt[GMAC_NUM];
+	unsigned long		RxPerr_cnt[GMAC_NUM];
+	unsigned int		isr_rx_cnt;
+	unsigned int		isr_tx_cnt;
+	unsigned long		rx_discard;
+	unsigned long		rx_error;
+	unsigned long		rx_mcast;
+	unsigned long		rx_bcast;
+	unsigned long		rx_status_cnt[8];
+	unsigned long		rx_chksum_cnt[8];
+	unsigned long		rx_sta1_ucast;	// for STA 1 MAC Address
+	unsigned long		rx_sta2_ucast;	// for STA 2 MAC Address
+	unsigned long		mib_full_cnt;
+	unsigned long		rx_pause_on_cnt;
+	unsigned long		tx_pause_on_cnt;
+	unsigned long		rx_pause_off_cnt;
+	unsigned long		tx_pause_off_cnt;
+	unsigned long		rx_overrun_cnt;
+	unsigned long		status_changed_cnt;
+	unsigned long		default_q_cnt;
+	unsigned long		hw_fq_empty_cnt;
+	unsigned long		sw_fq_empty_cnt;
+	unsigned long		default_q_intr_cnt;
+	pid_t               thr_pid;
+	wait_queue_head_t   thr_wait;
+	struct completion   thr_exited;
+    spinlock_t          lock;
+    int                 time_to_die;
+    int					operation;
+#ifdef SL351x_GMAC_WORKAROUND
+    unsigned long		short_frames_cnt;
+#endif
+}GMAC_INFO_T ;
+
+typedef struct toe_private {
+	unsigned int	swfq_desc_base;
+	unsigned int	hwfq_desc_base;
+	unsigned int	hwfq_buf_base;
+//	unsigned int	toe_desc_base[TOE_TOE_QUEUE_NUM];
+//	unsigned int	toe_desc_num;
+//	unsigned int	class_desc_base;
+//	unsigned int	class_desc_num;
+//	unsigned int	intr_desc_base;
+//	unsigned int	intr_desc_num;
+//	unsigned int	intr_buf_base;
+	DMA_RWPTR_T		fq_rx_rwptr;
+	GMAC_INFO_T		gmac[GMAC_NUM];
+	dma_addr_t		sw_freeq_desc_base_dma;
+	dma_addr_t		hw_freeq_desc_base_dma;
+	dma_addr_t		hwfq_buf_base_dma;
+	dma_addr_t		hwfq_buf_end_dma;
+//	dma_addr_t		toe_desc_base_dma[TOE_TOE_QUEUE_NUM];
+//	dma_addr_t		class_desc_base_dma;
+//	dma_addr_t		intr_desc_base_dma;
+//	dma_addr_t		intr_buf_base_dma;
+//	unsigned long	toe_iq_intr_full_cnt[TOE_INTR_QUEUE_NUM];
+//	unsigned long	toe_iq_intr_cnt[TOE_INTR_QUEUE_NUM];
+//	unsigned long	toe_q_intr_full_cnt[TOE_TOE_QUEUE_NUM];
+//	unsigned long	class_q_intr_full_cnt[TOE_CLASS_QUEUE_NUM];
+//	unsigned long	class_q_intr_cnt[TOE_CLASS_QUEUE_NUM];
+} TOE_INFO_T;
+
+extern TOE_INFO_T toe_private_data;
+
+#define GMAC_PORT0	0
+#define GMAC_PORT1	1
+/**********************************************************************
+ * PHY Definition
+ **********************************************************************/
+#define HPHY_ADDR   			0x01
+#define GPHY_ADDR   			0x02
+
+enum phy_state
+{
+    LINK_DOWN   = 0,
+    LINK_UP     = 1
+};
+
+/* transmit timeout value */
+
+#endif //_GMAC_SL351x_H
--- /dev/null
+++ b/include/asm-arm/arch-sl2312/sl351x_hash_cfg.h
@@ -0,0 +1,365 @@
+/*-----------------------------------------------------------------------------------
+*	sl351x_hash_cfg.h
+*
+*	Description:
+*	
+*	History:
+*
+*	9/14/2005	Gary Chen	Create
+*
+*-------------------------------------------------------------------------------------*/
+#ifndef _SL351x_HASH_CFG_H_
+#define _SL351x_HASH_CFG_H_	1
+
+// #define NAT_DEBUG_MSG	1
+// #define DEBUG_NAT_MIXED_HW_SW_TX	1
+#ifdef DEBUG_NAT_MIXED_HW_SW_TX
+	// #define NAT_DEBUG_LAN_HASH_TIMEOUT	1
+	// #define NAT_DEBUG_WAN_HASH_TIMEOUT	1
+#endif
+
+#define IPIV(a,b,c,d)		((a<<24)+(b<<16)+(c<<8)+d)
+#define	IPIV1(a)			((a>>24)&0xff)
+#define	IPIV2(a)			((a>>16)&0xff)
+#define IPIV3(a)			((a>>8)&0xff)
+#define IPIV4(a)			((a)&0xff)
+
+#define HASH_MAX_BYTES			64	// 128
+#define HASH_ACTION_DWORDS		9
+#define HASH_MAX_DWORDS			(HASH_MAX_BYTES / sizeof(u32))
+#define HASH_MAX_KEY_DWORD		(HASH_MAX_DWORDS - HASH_ACTION_DWORDS)
+#define HASH_INIT_KEY			0x534C4F52
+#define HASH_BITS				12	// 12 : Normal, 7: Simulation
+#define HASH_TOTAL_ENTRIES		(1 << HASH_BITS)
+#define HASH_MAX_ENTRIES		(1 << 12)
+#define HASH_TOE_ENTRIES		(HASH_TOTAL_ENTRIES >> 5)
+#define HASH_BITS_MASK			((1 << HASH_BITS) - 1)
+
+#define hash_lock(lock)			// spin_lock_bh(lock)
+#define hash_unlock(lock)		// spin_unlock_bh(lock)
+
+/*----------------------------------------------------------------------
+ *  special macro
+ ----------------------------------------------------------------------*/
+#define HASH_PUSH_WORD(cp, data)	{*cp++ = (((u16)(data))     ) & 0xff; 	\
+							 		*cp++ = (((u16)(data)) >> 8) & 0xff;} 
+#define HASH_PUSH_DWORD(cp, data)	{*cp++ = (u8)(((u32)(data))      ) & 0xff;	\
+							  		*cp++ = (u8)(((u32)(data)) >>  8) & 0xff;	\
+							  		*cp++ = (u8)(((u32)(data)) >> 16) & 0xff;	\
+							  		*cp++ = (u8)(((u32)(data)) >> 24) & 0xff;}
+#define HASH_PUSH_BYTE(cp, data)	{*cp++ = ((u8)(data)) & 0xff;}
+
+/*----------------------------------------------------------------------
+ *  key
+ ----------------------------------------------------------------------*/
+typedef struct {
+	u8		port;
+	u16		Ethertype;
+	u8		da[6];
+	u8		sa[6];
+	u16		pppoe_sid;	
+	u16		vlan_id;	
+	u8		ipv4_hdrlen;	
+	u8		ip_tos;	
+	u8		ip_protocol;	
+	u32		ipv6_flow_label;
+	u8		sip[16];
+	u8		dip[16];
+	//__u32			sip[4];
+	//__u32			dip[4];
+	u8		l4_bytes[24];
+	u8		l7_bytes[24];
+	u8		ipv6;	// 1: IPv6, 0: IPV4
+} ENTRY_KEY_T;
+
+/*----------------------------------------------------------------------
+ *  key for NAT
+ *	Note: packed
+ ----------------------------------------------------------------------*/
+typedef struct {
+	u16		Ethertype;		// not used
+	u8		port_id;
+	u8		rule_id;
+	u8		ip_protocol;
+	u8		reserved1;		// ip_tos, not used
+	u16		reserved2;		// not used
+	u32		sip;
+	u32		dip;
+	u16		sport;
+	u16		dport;
+} NAT_KEY_T;
+
+#define NAT_KEY_DWORD_SIZE	(sizeof(NAT_KEY_T)/sizeof(u32))
+#define NAT_KEY_SIZE		(sizeof(NAT_KEY_T))
+
+/*----------------------------------------------------------------------
+ *  key for NAT
+ *	Note: packed
+ ----------------------------------------------------------------------*/
+typedef struct {
+	u16		Ethertype;		// not used
+	u8		port_id;
+	u8		rule_id;
+	u8		ip_protocol;
+	u8		reserved1;		// ip_tos, not used
+	u16		reserved2;		// not used
+	u32		sip;
+	u32		dip;
+	u16		reserved3;
+	u16		protocol;
+	u16		reserved4;
+	u16		call_id;
+} GRE_KEY_T;
+
+#define GRE_KEY_DWORD_SIZE	(sizeof(GRE_KEY_T)/sizeof(u32))
+#define GRE_KEY_SIZE		(sizeof(GRE_KEY_T))
+/*----------------------------------------------------------------------
+ *  key present or not
+ ----------------------------------------------------------------------*/
+typedef struct {
+	u32		port			: 1;
+	u32		Ethertype		: 1;
+	u32		da				: 1;
+	u32		sa				: 1;
+	u32		pppoe_sid		: 1;	
+	u32		vlan_id			: 1;	
+	u32		ipv4_hdrlen		: 1;	
+	u32		ip_tos			: 1;
+	u32		ip_protocol		: 1;	
+	u32		ipv6_flow_label	: 1;
+	u32		sip				: 1;
+	u32		dip				: 1;
+	u32		l4_bytes_0_3	: 1;
+	u32		l4_bytes_4_7	: 1;
+	u32		l4_bytes_8_11	: 1;
+	u32		l4_bytes_12_15	: 1;
+	u32		l4_bytes_16_19	: 1;
+	u32		l4_bytes_20_23	: 1;
+	u32		l7_bytes_0_3	: 1;
+	u32		l7_bytes_4_7	: 1;
+	u32		l7_bytes_8_11	: 1;
+	u32		l7_bytes_12_15	: 1;
+	u32		l7_bytes_16_19	: 1;
+	u32		l7_bytes_20_23	: 1;
+	u32		reserved		: 8;
+} KEY_FIELD_T;
+
+/*----------------------------------------------------------------------
+ *  action
+ ----------------------------------------------------------------------*/
+typedef struct {
+	u32		reserved0	: 5;	// bit 0:4
+	u32		pppoe		: 2;	// bit 5:6
+	u32		vlan		: 2;	// bit 7:8
+	u32		sa			: 1;	// bit 9
+	u32		da			: 1;	// bit 10
+	u32		Dport		: 1;	// bit 11
+	u32		Sport		: 1;	// bit 12
+	u32		Dip			: 1;	// bit 13
+	u32		Sip			: 1;	// bit 14
+	u32		sw_id		: 1;	// bit 15
+	u32		frag		: 1;	// bit 16
+	u32		option		: 1;	// bit 17
+	u32		ttl_0		: 1;	// bit 18
+	u32		ttl_1		: 1;	// bit 19
+	u32		mtu			: 1;	// bit 20
+	u32		exception	: 1;	// bit 21
+	u32		srce_qid	: 1;	// bit 22
+	u32		discard		: 1;	// bit 23
+	u32		dest_qid	: 8;	// bit 24:31
+} ENTRY_ACTION_T;
+
+#define ACTION_DISCARD_BIT		BIT(23)
+#define ACTION_SRCE_QID_BIT		BIT(22)
+#define ACTION_EXCEPTION_BIT	BIT(21)
+#define ACTION_MTU_BIT			BIT(20)
+#define ACTION_TTL_1_BIT		BIT(19)
+#define ACTION_TTL_0_BIT		BIT(18)
+#define ACTION_IP_OPTION		BIT(17)
+#define ACTION_FRAG_BIT			BIT(16)
+#define ACTION_SWID_BIT			BIT(15)
+#define ACTION_SIP_BIT			BIT(14)
+#define ACTION_DIP_BIT			BIT(13)
+#define ACTION_SPORT_BIT		BIT(12)
+#define ACTION_DPORT_BIT		BIT(11)
+#define ACTION_DA_BIT			BIT(10)
+#define ACTION_SA_BIT			BIT(9)
+#define ACTION_VLAN_DEL_BIT		BIT(8)
+#define ACTION_VLAN_INS_BIT		BIT(7)
+#define ACTION_PPPOE_DEL_BIT	BIT(6)
+#define ACTION_PPPOE_INS_BIT	BIT(5)
+#define ACTION_L4_THIRD_BIT		BIT(4)
+#define ACTION_L4_FOURTH_BIT	BIT(3)
+
+#define NAT_ACTION_BITS			(ACTION_SRCE_QID_BIT  | ACTION_EXCEPTION_BIT |	\
+								ACTION_TTL_1_BIT | ACTION_TTL_0_BIT | 			\
+								ACTION_IP_OPTION | ACTION_FRAG_BIT |			\
+								ACTION_DA_BIT | ACTION_SA_BIT)
+#define NAT_LAN2WAN_ACTIONS		(NAT_ACTION_BITS | ACTION_SIP_BIT | ACTION_SPORT_BIT)
+#define NAT_WAN2LAN_ACTIONS		(NAT_ACTION_BITS | ACTION_DIP_BIT | ACTION_DPORT_BIT)
+#define NAT_PPPOE_LAN2WAN_ACTIONS	(NAT_LAN2WAN_ACTIONS | ACTION_PPPOE_INS_BIT)
+#define NAT_PPPOE_WAN2LAN_ACTIONS	(NAT_WAN2LAN_ACTIONS | ACTION_PPPOE_DEL_BIT)
+#define NAT_PPTP_LAN2WAN_ACTIONS	(NAT_ACTION_BITS | ACTION_SIP_BIT | ACTION_L4_FOURTH_BIT)
+#define NAT_PPTP_WAN2LAN_ACTIONS	(NAT_ACTION_BITS | ACTION_DIP_BIT | ACTION_L4_FOURTH_BIT)
+#define NAT_PPPOE_PPTP_LAN2WAN_ACTIONS	(NAT_PPTP_LAN2WAN_ACTIONS | ACTION_PPPOE_INS_BIT)
+#define NAT_PPPOE_PPTP_WAN2LAN_ACTIONS	(NAT_PPTP_WAN2LAN_ACTIONS | ACTION_PPPOE_DEL_BIT)
+								
+/*----------------------------------------------------------------------
+ *  parameter
+ ----------------------------------------------------------------------*/
+typedef struct {
+	u8		da[6];
+	u8		sa[6];
+	u16		vlan;	
+	u16  	pppoe;	
+	u32		Sip;
+	u32		Dip;
+	u16  	Sport;	
+	u16  	Dport;	
+	u16  	sw_id;	
+	u16  	mtu;	
+} ENTRY_PARAM_T;
+
+/*----------------------------------------------------------------------
+ *  Hash Entry
+ ----------------------------------------------------------------------*/
+typedef struct {
+	char			rule;
+	ENTRY_KEY_T		key;
+	KEY_FIELD_T		key_present;
+	ENTRY_ACTION_T	action;
+	ENTRY_PARAM_T	param;
+	int				index;
+	int				total_dwords;
+} HASH_ENTRY_T;
+
+/*----------------------------------------------------------------------
+ *  NAT Hash Entry
+ ----------------------------------------------------------------------*/
+typedef struct {
+	short	counter;
+	short	interval;
+} HASH_TIMEOUT_T;
+
+/*----------------------------------------------------------------------
+ *  NAT Hash Entry for TCP/UDP protocol
+ ----------------------------------------------------------------------*/
+typedef struct {
+	NAT_KEY_T			key;
+	union {
+		u32				dword;
+		ENTRY_ACTION_T	bits;
+	} action;
+	ENTRY_PARAM_T		param;
+	HASH_TIMEOUT_T		tmo;	// used by software only, to use memory space efficiently
+} NAT_HASH_ENTRY_T;
+
+#define NAT_HASH_ENTRY_SIZE		(sizeof(NAT_HASH_ENTRY_T))
+
+/*----------------------------------------------------------------------
+ *  GRE Hash Entry for PPTP/GRE protocol
+ ----------------------------------------------------------------------*/
+typedef struct {
+	GRE_KEY_T			key;
+	union {
+		u32				dword;
+		ENTRY_ACTION_T	bits;
+	} action;
+	ENTRY_PARAM_T		param;
+	HASH_TIMEOUT_T		tmo;	// used by software only, to use memory space efficiently
+} GRE_HASH_ENTRY_T;
+
+#define GRE_HASH_ENTRY_SIZE		(sizeof(GRE_HASH_ENTRY_T))
+
+/*----------------------------------------------------------------------
+ *  External Variables
+ ----------------------------------------------------------------------*/
+extern char				hash_tables[HASH_TOTAL_ENTRIES][HASH_MAX_BYTES] __attribute__ ((aligned(16)));
+extern u32				hash_nat_owner_bits[HASH_TOTAL_ENTRIES/32];
+/*----------------------------------------------------------------------
+* hash_get_valid_flag
+*----------------------------------------------------------------------*/
+static inline int hash_get_valid_flag(int index)
+{
+	volatile u32 *hash_valid_bits_ptr = (volatile u32 *)TOE_V_BIT_BASE;
+
+#ifdef SL351x_GMAC_WORKAROUND
+	if (index >= (0x80 * 8) && index < (0x8c * 8))
+		return 1;
+#endif	
+	return (hash_valid_bits_ptr[index/32] & (1 << (index %32)));
+}
+
+/*----------------------------------------------------------------------
+* hash_get_nat_owner_flag
+*----------------------------------------------------------------------*/
+static inline int hash_get_nat_owner_flag(int index)
+{
+	return (hash_nat_owner_bits[index/32] & (1 << (index %32)));
+}
+
+/*----------------------------------------------------------------------
+* hash_validate_entry
+*----------------------------------------------------------------------*/
+static inline void hash_validate_entry(int index)
+{
+	volatile u32	*hash_valid_bits_ptr = (volatile u32 *)TOE_V_BIT_BASE;
+	register int	ptr = index/32, bits = 1 << (index %32);
+	
+	hash_valid_bits_ptr[ptr] |= bits;
+}
+
+/*----------------------------------------------------------------------
+* hash_invalidate_entry
+*----------------------------------------------------------------------*/
+static inline void hash_invalidate_entry(int index)
+{
+	volatile u32 *hash_valid_bits_ptr = (volatile u32 *)TOE_V_BIT_BASE;
+	register int	ptr = index/32, bits = 1 << (index %32);
+	
+	hash_valid_bits_ptr[ptr] &= ~(bits);
+}
+
+/*----------------------------------------------------------------------
+* hash_nat_enable_owner
+*----------------------------------------------------------------------*/
+static inline void hash_nat_enable_owner(int index)
+{
+	hash_nat_owner_bits[index/32] |= (1 << (index % 32));
+}
+
+/*----------------------------------------------------------------------
+* hash_nat_disable_owner
+*----------------------------------------------------------------------*/
+static inline void hash_nat_disable_owner(int index)
+{
+	hash_nat_owner_bits[index/32] &= ~(1 << (index % 32));
+}
+
+/*----------------------------------------------------------------------
+* hash_get_entry
+*----------------------------------------------------------------------*/
+static inline void *hash_get_entry(int index)
+{
+	return (void*) &hash_tables[index][0];
+}
+
+/*----------------------------------------------------------------------
+* Functions
+*----------------------------------------------------------------------*/
+extern int hash_add_entry(HASH_ENTRY_T *entry);
+extern void sl351x_hash_init(void);
+extern void hash_set_valid_flag(int index, int valid);
+extern void hash_set_nat_owner_flag(int index, int valid);
+extern void *hash_get_entry(int index);
+extern int hash_build_keys(u32 *destp, HASH_ENTRY_T *entry);
+extern void hash_build_nat_keys(u32 *destp, HASH_ENTRY_T *entry);
+extern int hash_write_entry(HASH_ENTRY_T *entry, u8 *key);
+extern int hash_add_entry(HASH_ENTRY_T *entry);
+extern	u16 hash_crc16(u16 crc, u8 *datap, u32 len);
+extern	u16 hash_gen_crc16(u8 *datap, u32 len);
+
+#endif // _SL351x_HASH_CFG_H_
+
+
+
--- /dev/null
+++ b/include/asm-arm/arch-sl2312/sl351x_nat_cfg.h
@@ -0,0 +1,211 @@
+/**************************************************************************
+* Copyright 2006 StorLink Semiconductors, Inc.  All rights reserved.                
+*--------------------------------------------------------------------------
+*	sl_nat_cfg.h
+*
+*	Description:
+*		- Define the Device Control Commands for NAT Configuration
+*	
+*	History:
+*
+*	4/28/2006	Gary Chen	Create
+*
+*-----------------------------------------------------------------------------*/
+#ifndef _SL351x_NAT_CFG_H_
+#define _SL351x_NAT_CFG_H_	1
+
+/*----------------------------------------------------------------------
+* Confiuration
+*----------------------------------------------------------------------*/
+#ifdef CONFIG_NETFILTER
+#define CONFIG_SL351x_NAT			1
+#undef CONFIG_SL351x_NAT
+#undef CONFIG_SL351x_SYSCTL
+#endif
+#define CONFIG_NAT_MAX_IP_NUM		4	// per device (eth0 or eth1)
+#define CONFIG_NAT_MAX_XPORT		64
+#define CONFIG_NAT_MAX_WRULE		16	// per Queue
+#define CONFIG_NAT_TXQ_NUM			4
+/*----------------------------------------------------------------------
+* Command set
+*----------------------------------------------------------------------*/
+#define SIOCDEVSL351x	SIOCDEVPRIVATE	// 0x89F0
+#define NATSSTATUS		0
+#define NATGSTATUS		1
+#define NATSETPORT		2
+#define NATGETPORT		3
+#define NATADDIP		4
+#define NATDELIP		5
+#define NATGETIP		6
+#define NATAXPORT		7
+#define NATDXPORT		8
+#define NATGXPORT		9
+#define NATSWEIGHT		10
+#define NATGWEIGHT		11
+#define NATAWRULE		12
+#define NATDWRULE		13
+#define NATGWRULE		14
+#define NATSDEFQ		15
+#define NATGDEFQ		16
+#define NATRMIPCFG		17		// remove IP config
+#define NATTESTENTRY	18
+#define NATSETMEM		19
+#define NATSHOWMEM		20
+/*----------------------------------------------------------------------
+* Command Structure
+*----------------------------------------------------------------------*/
+// Common Header
+typedef struct {
+	unsigned short		cmd;	// command ID
+	unsigned short		len;	// data length, excluding this header
+} NATCMD_HDR_T;
+
+// NATSSTATUS & NATGSTATUS commands
+typedef struct {
+	unsigned char		enable;
+} NAT_STATUS_T;	
+
+// NATSETPORT & NATGETPORT commands
+typedef struct {
+	unsigned char		portmap;
+} NAT_PORTCFG_T;
+
+typedef struct {
+	unsigned int		ipaddr;
+	unsigned int		netmask;
+} NAT_IP_ENTRY_T;
+
+// NATADDIP & NATDELIP commands
+typedef struct {
+	NAT_IP_ENTRY_T	entry;
+} NAT_IPCFG_T;
+
+// NATGETIP command
+typedef struct {
+	unsigned int	total;
+	NAT_IP_ENTRY_T	entry[CONFIG_NAT_MAX_IP_NUM];
+} NAT_IPCFG_ALL_T;
+
+typedef struct {
+	unsigned int		protocol;
+	unsigned short		sport_start;
+	unsigned short		sport_end;
+	unsigned short		dport_start;
+	unsigned short		dport_end;
+} NAT_XPORT_ENTRY_T;
+
+// NATAXPORT & NATDXPORT Commands
+typedef struct {
+	NAT_XPORT_ENTRY_T	entry;
+} NAT_XPORT_T;
+
+// NATGXPORT Command
+typedef struct {
+	unsigned int		total;
+	NAT_XPORT_ENTRY_T	entry[CONFIG_NAT_MAX_XPORT];
+} NAT_XPORT_ALL_T;
+
+// NATSWEIGHT & NATGWEIGHT Commands
+typedef struct {
+	unsigned char		weight[CONFIG_NAT_TXQ_NUM];
+} NAT_WEIGHT_T;
+
+typedef struct {
+	unsigned int		protocol;
+	unsigned int		sip_start;
+	unsigned int		sip_end;
+	unsigned int		dip_start;
+	unsigned int		dip_end;
+	unsigned short		sport_start;
+	unsigned short		sport_end;
+	unsigned short		dport_start;
+	unsigned short		dport_end;
+} NAT_WRULE_ENTRY_T;	
+
+// NATAWRULE & NATDWRULE Commands
+typedef struct {
+	unsigned int		qid;
+	NAT_WRULE_ENTRY_T	entry;
+} NAT_WRULE_T;
+
+// NATGWRULE Command
+typedef struct {
+	unsigned int		total;
+	NAT_WRULE_ENTRY_T	entry[CONFIG_NAT_MAX_WRULE];
+} NAT_WRULE_ALL_T;
+
+// NATSDEFQ & NATGDEFQ commands
+typedef struct {
+	unsigned int		qid;
+} NAT_QUEUE_T;	
+
+// NATTESTENTRY 
+typedef struct {
+	u_int16_t		cmd;	// command ID
+	u_int16_t		len;	// data length, excluding this header
+	u_int8_t		init_enable;
+} NAT_TESTENTRY_T;	
+	
+typedef union
+{
+	NAT_STATUS_T		status;
+	NAT_PORTCFG_T		portcfg;
+	NAT_IPCFG_T			ipcfg;
+	NAT_XPORT_T			xport;
+	NAT_WEIGHT_T		weight;
+	NAT_WRULE_T			wrule;
+	NAT_QUEUE_T			queue;
+	NAT_TESTENTRY_T init_entry;
+} NAT_REQ_E;
+	
+/*----------------------------------------------------------------------
+* NAT Configuration
+*	- Used by driver only
+*----------------------------------------------------------------------*/
+typedef struct {
+	unsigned int		enabled;
+	unsigned int		init_enabled;
+	unsigned int		tcp_udp_rule_id;
+	unsigned int		gre_rule_id;
+	unsigned int		lan_port;
+	unsigned int		wan_port;
+	unsigned int		default_hw_txq;
+	short				tcp_tmo_interval;
+	short				udp_tmo_interval;
+	short				gre_tmo_interval;
+	NAT_IPCFG_ALL_T		ipcfg[2];	// LAN/WAN port
+	NAT_XPORT_ALL_T		xport;
+	NAT_WEIGHT_T		weight;
+	NAT_WRULE_ALL_T		wrule[CONFIG_NAT_TXQ_NUM];
+} NAT_CFG_T;
+
+/*----------------------------------------------------------------------
+* NAT Control Block
+*	- Used by driver only
+*	- Stores LAN-IN or WAN-IN information
+*	- WAN-OUT and LAN-OUT driver use them to build up a hash entry
+*	- NOTES: To update this data structure, MUST take care of alignment issue
+*   -		 MUST make sure that the size of skbuff structure must 
+*            be larger than (40 + sizof(NAT_CB_T))
+*----------------------------------------------------------------------*/
+typedef struct {
+	unsigned short		tag;
+	unsigned char		sa[6];
+	unsigned int		sip;
+	unsigned int		dip;
+	unsigned short		sport;
+	unsigned short		dport;
+	unsigned char		pppoe_frame;
+	unsigned char		state;			// same to enum tcp_conntrack
+	unsigned char		reserved[2];
+} NAT_CB_T;
+
+#define NAT_CB_TAG		0x4C53	// "SL"
+#define NAT_CB_SIZE		sizeof(NAT_CB_T)
+// #define NAT_SKB_CB(skb)	(NAT_CB_T *)(((unsigned int)&((skb)->cb[40]) + 3) & ~3)  // for align 4
+#define NAT_SKB_CB(skb)	(NAT_CB_T *)&((skb)->cb[40])  // for align 4
+
+#endif // _SL351x_NAT_CFG_H_
+
+
+
--- /dev/null
+++ b/include/asm-arm/arch-sl2312/sl351x_toe.h
@@ -0,0 +1,88 @@
+/**************************************************************************
+* Copyright 2006 StorLink Semiconductors, Inc.  All rights reserved.
+*--------------------------------------------------------------------------
+* Name			: sl351x_toe.h
+* Description	:
+*		Define for TOE driver of Storlink SL351x
+*
+* History
+*
+*	Date		Writer		Description
+*----------------------------------------------------------------------------
+*				Xiaochong	Create
+*
+****************************************************************************/
+#ifndef __SL351x_TOE_H
+#define __SL351x_TOE_H	1
+#include <net/sock.h>
+#include <asm/arch/sl351x_gmac.h>
+#include <linux/timer.h>
+#include <linux/netdevice.h>
+#include <linux/ip.h>
+#include <linux/if_ether.h>
+/*
+ * TOE_CONN_T is data structure of tcp connection info, used at both
+ * device layer and kernel tcp layer
+ * skb is the jumbo frame
+ */
+
+struct toe_conn{
+	__u8	qid;		// connection qid 0~63.
+	__u8	ip_ver;		// 0: not used; 4: ipv4; 6: ipv6.
+	/* hash key of the connection */
+	__u16	source;
+	__u16	dest;
+	__u32	saddr[4];
+	__u32	daddr[4];
+
+	__u32	seq;
+	__u32	ack_seq;
+
+	/* these fields are used to set TOE QHDR */
+	__u32	ack_threshold;
+	__u32	seq_threshold;
+	__u16	max_pktsize;
+
+	/* used by sw toe, accumulated ack_seq of ack frames */
+	__u16	ack_cnt;
+	/* used by sw toe, accumulated data frames held at driver */
+	__u16	cur_pktsize;
+
+	__u8	status;
+#define	TCP_CONN_UNDEFINE		0X00
+#define	TCP_CONN_CREATION		0X01
+#define	TCP_CONN_CONNECTING		0X02
+#define	TCP_CONN_ESTABLISHED	0X04
+#define	TCP_CONN_RESET			0X08	// this is used for out-of-order
+                      			    	// or congestion window is small
+#define	TCP_CONN_CLOSING		0X10
+#define	TCP_CONN_CLOSED			0x11
+
+	__u16	hash_entry_index;	/* associated hash entry */
+
+	// one timer per connection. Otherwise all connections should be scanned
+	// in a timeout interrupt, and timeout interrupt is triggered no matter
+	// a connection is actually timeout or not.
+	struct timer_list	rx_timer;
+	unsigned long		last_rx_jiffies;
+	GMAC_INFO_T			*gmac;
+	struct net_device	*dev;
+
+	//	for generating pure ack frame.
+	struct ethhdr		l2_hdr;
+	struct iphdr		l3_hdr;
+
+	spinlock_t			conn_lock;
+	DMA_RWPTR_T			toeq_rwptr;
+	GMAC_RXDESC_T		*curr_desc;
+	struct sk_buff		*curr_rx_skb;
+};
+
+struct jumbo_frame {
+	struct sk_buff	*skb0;		// the head of jumbo frame
+	struct sk_buff	*tail;		// the tail of jumbo frame
+	struct iphdr	*iphdr0;	// the ip hdr of skb0.
+	struct tcphdr	*tcphdr0;	// the tcp hdr of skb0.
+};
+
+#endif // __SL351x_TOE_H
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2131,6 +2131,42 @@
 
 	  The safe and default value for this is N.
 
+config NET_GMAC
+	tristate "Storlink Gigabit Ethernet support"
+	depends on ARCH_SL2312
+	help
+	  This driver supports Storlink dual Gigabit Ethernet.
+
+config NET_SL2312
+	tristate "Storlink Gigabit Ethernet support"
+	depends on NET_GMAC
+	help
+	  This driver supports Storlink dual Gigabit Ethernet.
+
+config NET_SL351X
+	tristate "Storlink Lepus Gigabit Ethernet support"
+	depends on NET_GMAC
+	help
+	  This driver supports Storlink TOE and NAT dual Gigabit Ethernet.
+
+config SL2312_TSO
+	bool "Tx Segmentation Enable"
+	depends on NET_GMAC
+	help
+	  TBD
+
+config SL2312_MPAGE
+	bool "Tx Multipage Enable"
+	depends on NET_GMAC
+	help
+	  TBD
+
+config SL2312_RECVFILE
+	bool "Rx Multipage Enable"
+	depends on NET_GMAC
+	help
+	  TBD
+
 config DL2K
 	tristate "D-Link DL2000-based Gigabit Ethernet support"
 	depends on PCI
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -236,4 +236,8 @@
 
 obj-$(CONFIG_FS_ENET) += fs_enet/
 
-obj-$(CONFIG_NETXEN_NIC) += netxen/
+
+obj-$(CONFIG_NET_SL351X)+= sl351x_gmac.o sl351x_nat.o sl351x_hash.o sl351x_crc16.o sl351x_proc.o sl_switch.o
+obj-$(CONFIG_NET_SL2312)+= sl2312_emac.o
+
+
