openwrt-xburst/target/linux/storm/patches/006-gmac_napi_tx.patch

--- a/drivers/net/sl351x_gmac.c
+++ b/drivers/net/sl351x_gmac.c
@@ -43,9 +43,13 @@
 
 #include <linux/mtd/kvctl.h>
 
+#define GET_RPTR(x) ((x) & 0xFFFF)
+#define GET_WPTR(x) ((x) >> 16)
+
 #define	 MIDWAY
 #define	 SL_LEPUS
-#define VITESSE_G5SWITCH	1
+// #define VITESSE_G5SWITCH	1
+#undef VITESSE_G5SWITCH
 
 #ifndef CONFIG_SL351x_RXTOE
 //#define CONFIG_SL351x_RXTOE	1
@@ -126,7 +130,6 @@
  *************************************************************/
 static int	gmac_initialized = 0;
 TOE_INFO_T toe_private_data;
-static int		do_again = 0;
 static int rx_poll_enabled;
 spinlock_t gmac_fq_lock;
 unsigned int FLAG_SWITCH;
@@ -190,7 +193,7 @@
 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);
+static inline void toe_gmac_fill_free_q(int count);
 
 #ifdef VITESSE_G5SWITCH
 extern int Get_Set_port_status(void);
@@ -295,12 +298,14 @@
 	for(j = 0; i<CONFIG_MAC_NUM; j++)
 	{
 		i=j;
+#ifdef VITESSE_G5SWITCH
 		if(Giga_switch){		// if gswitch present, swap eth0/1
 			if(j==0)
 				i=1;
 			else if(j==1)
 				i=0;
 		}
+#endif
 
 		tp = (GMAC_INFO_T *)&toe_private_data.gmac[i];
 		tp->dev = NULL;
@@ -459,7 +464,7 @@
 		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
+#ifndef CONFIG_SL3516_ASIC
         toe->gmac[0].speed_cfg = GMAC_SPEED_1000;
         toe->gmac[1].speed_cfg = GMAC_SPEED_1000;
 #else
@@ -508,7 +513,7 @@
 		// 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;
+		                                        TOE_SW_FREEQ_DESC_NUM/16;
 		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 :
@@ -613,18 +618,25 @@
 	rwptr_reg.bits.rptr = 0;
 	toe->fq_rx_rwptr.bits32 = rwptr_reg.bits32;
 	writel(rwptr_reg.bits32, TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+	printk("SWFQ: %08X\n", readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG));
 
 	// SW Free Queue Descriptors
 	for (i=0; i<TOE_SW_FREEQ_DESC_NUM; i++)
 	{
+		void *data = NULL;
 		sw_desc_ptr->word0.bits.buffer_size = SW_RX_BUF_SIZE;
-		sw_desc_ptr->word1.bits.sw_id = i;	// used to locate skb
+		sw_desc_ptr->word1.bits.sw_id = 0;	// 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;
+
+		data = skb->data;
 		skb_reserve(skb, SKB_RESERVE_BYTES);
+
+		REG32(data + 0) = (unsigned int)skb;
+		REG32(data + 4) = (unsigned short)i;
+
 		// 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);
@@ -851,14 +863,14 @@
 *----------------------------------------------------------------------*/
 static void toe_init_default_queue(void)
 {
-	TOE_INFO_T				*toe;
+	TOE_INFO_T		*toe;
 	volatile NONTOE_QHDR_T	*qhdr;
-	GMAC_RXDESC_T			*desc_ptr;
-	DMA_SKB_SIZE_T			skb_size;
+	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);
+					       (dma_addr_t *)&toe->gmac[0].default_desc_base_dma);
 	if (!desc_ptr)
 	{
 		printk("%s::DMA_MALLOC fail !\n",__func__);
@@ -866,14 +878,17 @@
 	}
 	memset((void *)desc_ptr, 0, TOE_DEFAULT_Q0_DESC_NUM * sizeof(GMAC_RXDESC_T));
 	toe->gmac[0].default_desc_base = (unsigned int)desc_ptr;
+	printk("toe->gmac[0].default_desc_base_dma: %08X\n", toe->gmac[0].default_desc_base_dma);
+
 	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);
+					       (dma_addr_t *)&toe->gmac[1].default_desc_base_dma);
 	if (!desc_ptr)
 	{
 		printk("%s::DMA_MALLOC fail !\n",__func__);
@@ -1071,12 +1086,16 @@
 
 	    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);
 	}
@@ -1176,11 +1195,11 @@
 	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;
+
+	uint32_t weight = 0;
 //	GMAC_HASH_ENABLE_REG0_T hash_ctrl;
 //
 #if 0 /* mac address will be set in late_initcall */
@@ -1202,24 +1221,23 @@
 	//	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;
+	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 */
+	/* TODO: 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;
+	config2_val.bits.set_threshold = TOE_SW_FREEQ_DESC_NUM/4;
+	config2_val.bits.rel_threshold = TOE_SW_FREEQ_DESC_NUM/2;
 	gmac_write_reg(tp->base_addr, GMAC_CONFIG2, config2_val.bits32,0xffffffff);
 
-	#ifdef CONFIG_SL351x_NAT
-	/* set HW free queue flow control threshold */
+	/* TODO: 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*/
+
+	/* TODO: 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);
 
@@ -1249,7 +1267,7 @@
 	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.rx_err_detect = 1;	/* TODO: was 1, means disabled, 0 enabled ! */
 	config0.bits.rgmii_en = 0;
 	config0.bits.rgmm_edge = 1;
 	config0.bits.rxc_inv = 0;
@@ -1342,6 +1360,9 @@
 	gmac_write_reg(tp->dma_base_addr, GMAC_AHB_WEIGHT_REG, ahb_weight.bits32, ahb_weight_mask.bits32);
 	#endif
 
+	weight = gmac_read_reg(tp->dma_base_addr, GMAC_AHB_WEIGHT_REG);
+	printk("====> %08X\n", weight);
+
 	#if defined(CONFIG_SL351x_NAT) || defined(CONFIG_SL351x_RXTOE)
 	gmac_write_reg(tp->dma_base_addr, GMAC_SPR0, IPPROTO_TCP, 0xffffffff);
 	#endif
@@ -1552,7 +1573,7 @@
 		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;
+		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;
@@ -1573,6 +1594,7 @@
 				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)
 				{
@@ -1592,12 +1614,12 @@
 			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]);
+				dev_kfree_skb(swtxq->tx_skb[swtxq->finished_idx]);
 				swtxq->tx_skb[swtxq->finished_idx] = NULL;
+			} else {
+				BUG();
 			}
+
 			curr_desc->word0.bits32 = word0.bits32;
   			swtxq->curr_finished_desc = (GMAC_TXDESC_T *)curr_desc;
  			swtxq->total_finished++;
@@ -1624,31 +1646,29 @@
 *----------------------------------------------------------------------*/
 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;
+	GMAC_INFO_T *tp= dev->priv;
+	DMA_RWPTR_T rwptr;
+	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;
+	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;
+	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;
+	int total_pages;
 	total_pages = snd_pages;
 #endif
 
@@ -1664,13 +1684,6 @@
     }
 #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
@@ -1703,9 +1716,9 @@
 	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;
+		free_desc = swtxq->total_desc_num - wptr + swtxq->finished_idx;
 	else
-		free_desc = swtxq->finished_idx - wptr - 1;
+		free_desc = swtxq->finished_idx - wptr;
 	if (free_desc < snd_pages)
 	{
 //		spin_unlock(&tp->tx_mutex);
@@ -2063,9 +2076,10 @@
 struct net_device_stats * gmac_get_stats(struct net_device *dev)
 {
     GMAC_INFO_T *tp = (GMAC_INFO_T *)dev->priv;
+#if 0	/* don't read stats from hardware, scary numbers. */
     // unsigned int        flags;
-    unsigned int        pkt_drop;
-    unsigned int        pkt_error;
+    unsigned int        pkt_drop = 0;
+    unsigned int        pkt_error = 0;
 
     if (netif_running(dev))
     {
@@ -2073,10 +2087,14 @@
         // 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);
+	printk("**** stack: %lu, hw: %lu\n", tp->ifStatics.rx_dropped, pkt_drop);
+
         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);
     }
+#endif
+
     return &tp->ifStatics;
 }
 
@@ -2401,36 +2419,63 @@
 * toe_gmac_fill_free_q
 * allocate buffers for free queue.
 *----------------------------------------------------------------------*/
-static inline void toe_gmac_fill_free_q(void)
+static inline void toe_gmac_fill_free_q(int count)
 {
 	struct sk_buff	*skb;
 	volatile DMA_RWPTR_T	fq_rwptr;
 	volatile GMAC_RXDESC_T	*fq_desc;
-	unsigned long	flags;
+	unsigned long flags;
+	unsigned short index;
+	int filled = 0;
+	static int entered;
 	// unsigned short max_cnt=TOE_SW_FREEQ_DESC_NUM>>1;
 
+	BUG_ON(entered == 1);
+
+	entered = 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) {
+	index = fq_rwptr.bits.wptr;
+#if 0
+	printk("wptr: %hu, rptr: %hu, refill idx: %hu\n",
+	       GET_RPTR(fq_rwptr.bits32),
+	       GET_WPTR(fq_rwptr.bits32),
+	       index);
+#endif
+
+	index = RWPTR_ADVANCE_ONE(index, TOE_SW_FREEQ_DESC_NUM);
+	fq_desc = (GMAC_RXDESC_T*)toe_private_data.swfq_desc_base + index;
+	while (fq_desc->word2.buf_adr == 0) {
+		void *data = NULL;
+
 		if ((skb = dev_alloc_skb(SW_RX_BUF_SIZE)) == NULL) {
 			printk("%s::skb allocation fail!\n", __func__);
-			//while(1);
-			break;
+			goto out;
 		}
-		REG32(skb->data) = (unsigned int)skb;
+		++ filled;
+		data = skb->data;
 		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;
+
+		REG32(data + 0) = (unsigned int)skb;
+		REG32(data + 4) = (unsigned short)index;
+
+		// printk("refill skb: %p, idx: %hu\n", skb, index);
 		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;
+	writel(0x07960202, TOE_GMAC0_BASE+GMAC_CONFIG0);
+		SET_WPTR(TOE_GLOBAL_BASE+GLOBAL_SWFQ_RWPTR_REG, index);
+	writel(0x07960200, TOE_GMAC0_BASE+GMAC_CONFIG0);
+
+		index = RWPTR_ADVANCE_ONE(index, TOE_SW_FREEQ_DESC_NUM);
+		fq_desc = (GMAC_RXDESC_T*)toe_private_data.swfq_desc_base+index;
 	}
+out:
 	// spin_unlock_irqrestore(&gmac_fq_lock, flags);
+
+	entered = 0;
 }
 // EXPORT_SYMBOL(toe_gmac_fill_free_q);
 
@@ -2442,14 +2487,14 @@
 	unsigned int		status3;
 	unsigned int		status4;
 
-	printk("%s\n", message);
-
 	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);
 
+	printk("%s\n", message);
+
 	printk("status: s0:%08X, s1:%08X, s2:%08X, s3:%08X, s4:%08X\n",
 		   status0, status1, status2, status3, status4);
 
@@ -2468,8 +2513,9 @@
 	status3 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_3_REG);
 	status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
 
-	printk("select: s0:%08X, s1:%08X, s2:%08X, s3:%08X, s4:%08X\n",
-		   status0, status1, status2, status3, status4);
+	if (status0 || status1 || status2 || status3 || status4)
+			printk("select: s0:%08X, s1:%08X, s2:%08X, s3:%08X, s4:%08X\n",
+				   status0, status1, status2, status3, status4);
 }
 /*----------------------------------------------------------------------
 * toe_gmac_interrupt
@@ -2485,75 +2531,44 @@
 	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
-	/* XXX: check this, changed from 'storlink_ctl.pauseoff == 1' to if (1) */
-if (1)
-{
-/* disable GMAC interrupt */
-    //toe_gmac_disable_interrupt(tp->irq);
 
-//	isPtr->interrupts++;
+	if (0 && rx_poll_enabled) {
+		gmac_registers("interrupt handler");
+	}
+
 	/* 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);
+	/* handle freeq interrupt first */
+	if (status4 & SWFQ_EMPTY_INT_BIT)
+	{
+		toe_gmac_fill_free_q();
+		writel(status4 & SWFQ_EMPTY_INT_BIT, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG);
+		tp->sw_fq_empty_cnt++;
+	}
 #endif
 
+	if (status4 & GMAC0_MIB_INT_BIT)
+		writel(GMAC0_MIB_INT_BIT, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG);
+
+	if (status4 & GMAC0_RX_OVERRUN_INT_BIT)
+		writel(GMAC0_RX_OVERRUN_INT_BIT, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG);
+
 	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)
+	if ((status1 & 3) || (status4 & 1))
 	{
 		#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)
@@ -2563,7 +2578,7 @@
 		// 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 & G0_INTR0_BITS) && (tp->intr1_enabled & G0_INTR0_BITS)) || (status4 & 1))
 			{
 				if (status1 & GMAC0_HWTQ03_EOF_INT_BIT)
 					tp->hwtxq[3].eof_cnt++;
@@ -2574,50 +2589,51 @@
 				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 (status1 & DEFAULT_Q0_INT_BIT || status4 & 1)
+			{
+				if (likely(netif_rx_schedule_prep(dev)))
 				{
-					if (!rx_poll_enabled && likely(netif_rx_schedule_prep(dev)))
-        			{
-        				unsigned int data32;
+					unsigned int data32;
+
+					BUG_ON(rx_poll_enabled == 1);
 
-						if (rx_poll_enabled)
-								gmac_registers("check #1");
+					/* Masks GMAC-0 rx interrupt */
+					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);
 
-						BUG_ON(rx_poll_enabled == 1);
+					/* Masks GMAC-0 queue empty interrupt */
+					data32  = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+					data32 &= ~DEFAULT_Q0_INT_BIT;
+					writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
 
+					__netif_rx_schedule(dev);
+					rx_poll_enabled = 1;
+				} else {
 #if 0
-        				/* Masks GMAC-0 rx interrupt */
-						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);
-
-        				/* Masks GMAC-0 queue empty interrupt */
-						data32  = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
-						data32 &= ~DEFAULT_Q0_INT_BIT;
-						writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
-
-						data32  = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
-						data32 &= ~DEFAULT_Q0_INT_BIT;
-						writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
-#endif
-
-        				// 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);
-						rx_poll_enabled = 1;
-        			}
+					unsigned int data32;
+
+					if (rx_poll_enabled)
+						gmac_registers("->poll() running.");
+					/* Masks GMAC-0 rx interrupt */
+					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);
+
+					/* Masks GMAC-0 queue empty interrupt */
+					data32  = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+					data32 &= ~DEFAULT_Q0_INT_BIT;
+					writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
+#endif
+				}
+			} else {
+				if (0)
+					gmac_registers("status1 & DEFAULT_Q0_INT_BIT || status4 & 1");
 			}
 		}
-		else if (tp->port_id == 1)
+		else if (tp->port_id == 1 && netif_running(dev))
 		{
-			if (netif_running(dev) && (status1 & G1_INTR0_BITS) && (tp->intr1_enabled & G1_INTR0_BITS))
+			if ((status1 & G1_INTR0_BITS) && (tp->intr1_enabled & G1_INTR0_BITS))
 			{
 				if (status1 & GMAC1_HWTQ13_EOF_INT_BIT)
 					tp->hwtxq[3].eof_cnt++;
@@ -2629,14 +2645,14 @@
 					tp->hwtxq[0].eof_cnt++;
 			}
 
-			if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q1_INT_BIT))
+			if ((status1 & DEFAULT_Q1_INT_BIT) && (tp->intr1_enabled & DEFAULT_Q1_INT_BIT))
 			{
 				if (!rx_poll_enabled && likely(netif_rx_schedule_prep(dev)))
-        		{
-        			unsigned int data32;
+				{
+					unsigned int data32;
 
 					if (rx_poll_enabled)
-							gmac_registers("check #2");
+						gmac_registers("check #2");
 
 					BUG_ON(rx_poll_enabled == 1);
 
@@ -2646,7 +2662,7 @@
 					data32 &= ~(DEFAULT_Q1_INT_BIT);
 					writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
 
-        			/* Masks GMAC-1 queue empty interrupt */
+					/* Masks GMAC-1 queue empty interrupt */
 					data32  = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
 					data32 &= ~DEFAULT_Q1_INT_BIT;
 					writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
@@ -2656,24 +2672,21 @@
 					writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
 #endif
 
-         			// 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;
+					// 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);
-				rx_poll_enabled = 1;
-        		}
+					__netif_rx_schedule(dev);
+					rx_poll_enabled = 1;
+				}
 			}
 		}
-	} else {
-
-		gmac_registers("check #3");
 	}
 
 	// Interrupt Status 0
@@ -2814,676 +2827,93 @@
 		}
 	}
 
-	//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
 
+/*----------------------------------------------------------------------
+* 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;
+}
 
-	/* disable GMAC interrupt */
-    toe_gmac_disable_interrupt(tp->irq);
+/*----------------------------------------------------------------------
+* 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;
 
-//	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
+#ifdef VITESSE_G5SWITCH
+	if((tp->port_id == GMAC_PORT1)&&(Giga_switch==1)){
 #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);
+		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;
 			}
-#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);
+			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
 		}
-		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
-		}
+		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);
 
-	// 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;
-
-	}
-
-	/* Handles first available packets only then refill the queue. */
-	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)
+	switch (tp->phy_mode)
 	{
 		case GMAC_PHY_GMII:
 		mii_write(tp->phy_addr,0x04,0x05e1); /* advertisement 100M full duplex, pause capable on */
@@ -3552,6 +2982,7 @@
 		status.bits.link = LINK_DOWN;
 		//		clear_bit(__LINK_STATE_START, &dev->state);
 		printk("Link Down (0x%04x) ", reg_val);
+#ifdef VITESSE_G5SWITCH
 		if(Giga_switch == 1)
 		{
 				wan_port_id = 1;
@@ -3565,6 +2996,7 @@
 				storlink_ctl.link[ tp->port_id] = 0;
 #endif
 		}
+#endif
 	}
 	else
 	{
@@ -3572,6 +3004,7 @@
 		status.bits.link = LINK_UP;
 		//		set_bit(__LINK_STATE_START, &dev->state);
 		printk("Link Up (0x%04x) ",reg_val);
+#ifdef VITESSE_G5SWITCH
 		if(Giga_switch == 1)
 		{
 				wan_port_id = 1;
@@ -3585,6 +3018,7 @@
 				storlink_ctl.link[ tp->port_id] = 1;
 #endif
 		}
+#endif
 	}
 	//    value = mii_read(PHY_ADDR,0x05);
 
@@ -3863,6 +3297,7 @@
 			}
 		}
 		status.bits.link = LINK_UP; /* link up */
+#ifdef VITESSE_G5SWITCH
 		if(Giga_switch==1)
 		{
 				wan_port_id = 1;
@@ -3874,6 +3309,7 @@
 				storlink_ctl.link[ tp->port_id] = 1;
 #endif
 		}
+#endif
 		if ((ability & 0x20)==0x20)
 		{
 			if (tp->flow_control_enable == 0)
@@ -3914,6 +3350,7 @@
 	else
 	{
 		status.bits.link = LINK_DOWN; /* link down */
+#ifdef VITESSE_G5SWITCH
 		if(Giga_switch == 1)
 		{
 				wan_port_id = 1;
@@ -3925,6 +3362,7 @@
 				storlink_ctl.link[ tp->port_id] = 0;
 #endif
 		}
+#endif
 		if (tp->pre_phy_status == LINK_UP)
 		{
 			printk("GMAC-%d LINK_Down......\n",tp->port_id);
@@ -4298,86 +3736,102 @@
 }
 
 #ifdef CONFIG_SL_NAPI
+
+static int gmax_rx(struct net_device *dev, int *budget)
+{
+	return 0;
+}
+
+static int gmac_tx(struct net_device *dev, int *budget)
+{
+	return 0;
+}
+
 /*----------------------------------------------------------------------
 * 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 data32;
-	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;
+	TOE_INFO_T	*toe;
+	GMAC_RXDESC_T	*curr_desc;
+	struct sk_buff	*skb;
+	DMA_RWPTR_T	rwptr;
+	unsigned int	data32;
+	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	status1;
+	unsigned int	status4;
 	struct net_device_stats *isPtr = (struct net_device_stats *)&tp->ifStatics;
-	//unsigned long long	rx_time;
-
 
 	BUG_ON(rx_poll_enabled == 0);
-#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))
+rx_poll_retry:
+	status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
+	if (status1 & 1) {
+		writel(1, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
+	}
 
+	rwptr.bits32 = readl(&tp->default_qhdr->word1);
 	while ((rwptr.bits.rptr != rwptr.bits.wptr) && (rx_pkts_num < quota))
 	{
-
-    	curr_desc = (GMAC_RXDESC_T *)tp->default_desc_base + rwptr.bits.rptr;
+		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*/
+		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 (0) {
+
+				int free, busy;
+				uint32_t rwptr1;
+				uint32_t rwptr2;
+
+				rwptr1 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+				free = (GET_WPTR(rwptr1) - GET_RPTR(rwptr1)) & 0xFF;
+
+				rwptr2 = readl(&tp->default_qhdr->word1);
+				busy = (GET_RPTR(rwptr2) - GET_WPTR(rwptr2)) & 0xFF;
+
+				if (GET_WPTR(rwptr1) == GET_RPTR(rwptr1)) {
+					printk("frame  status: %d\n"
+					       "SWFQ: wptr: %hu, rptr: %hu, free: %d\n"
+					       "GMAC: wptr: %hu, rptr: %hu, free: %d\n",
+					       rx_status,
+					       GET_WPTR(rwptr1), GET_RPTR(rwptr1), free,
+					       GET_WPTR(rwptr2), GET_RPTR(rwptr2), busy);
+				}
+		}
+
+		{
+			GMAC_RXDESC_T	*fq_desc;
+			void *data;
+			struct sk_buff *skb;
+			unsigned short idx;
+
+			skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES));
+			idx = (unsigned short)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES + 4));
+
+			BUG_ON(idx > TOE_SW_FREEQ_DESC_NUM);
+			BUG_ON(skb == NULL);
+			fq_desc = (GMAC_RXDESC_T*)toe->swfq_desc_base + idx;
+			fq_desc->word2.buf_adr = 0;
+		}
+
 		if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr))
-			|| (pkt_size < 60)
+		    || (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)
@@ -4388,7 +3842,6 @@
 			{
 				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)
@@ -4407,17 +3860,32 @@
 				}
 			}
 #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);
+			dev_kfree_skb(skb);
+
+			if (0) {
+				int free, busy;
+				uint32_t rwptr1;
+				uint32_t rwptr2;
+
+				rwptr1 = readl(TOE_GLOBAL_BASE + GLOBAL_SWFQ_RWPTR_REG);
+				free = (GET_WPTR(rwptr1) - GET_RPTR(rwptr1)) & 0xFF;
+
+				rwptr2 = readl(&tp->default_qhdr->word1);
+				busy = (GET_RPTR(rwptr2) - GET_WPTR(rwptr2)) & 0xFF;
+
+				printk("frame  status: %d\n"
+				       "SWFQ: wptr: %hu, rptr: %hu, free: %d\n"
+				       "GMAC: wptr: %hu, rptr: %hu, free: %d\n",
+				       rx_status,
+				       GET_WPTR(rwptr1), GET_RPTR(rwptr1), free,
+				       GET_WPTR(rwptr2), GET_RPTR(rwptr2), busy);
+			}
 		}
 		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)
@@ -4432,225 +3900,118 @@
 			}
 			tp->short_frames_cnt = 0;
 #endif
-	    	/* get frame information from the first descriptor of the frame */
+			/* 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);
+			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;
+		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 );
+		// rwptr.bits32 = readl(&tp->default_qhdr->word1);
 
+		status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
+		if (status4 & 1) {
+			writel(status4 & SWFQ_EMPTY_INT_BIT, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG);
 		}
+
+		toe_gmac_fill_free_q(5);
+	}
+
+#if 0
+	/* avoid races with hard_start_xmit() */
+
+	spin_lock(&gmac_fq_lock);
+	toe_gmac_tx_complete(&toe_private_data.gmac[0], 0, dev, 1);
+	spin_unlock(&gmac_fq_lock);
 #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 );
+
+	status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
+	if (status4 & 1)
+	{
+		writel(status4 & SWFQ_EMPTY_INT_BIT, TOE_GLOBAL_BASE+GLOBAL_INTERRUPT_STATUS_4_REG);
+		status4 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_4_REG);
+		toe_gmac_fill_free_q(rx_pkts_num);
 	}
-	// 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;
+	rwptr.bits32 = readl(&tp->default_qhdr->word1);
+	if (rwptr.bits.rptr != rwptr.bits.wptr &&
+	    quota > rx_pkts_num)
+		goto rx_poll_retry;
 
 	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)
+	/* Receive queue is empty now */
+	if (quota >= rx_pkts_num)
 	{
-		// 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;
-				//}
+		unsigned long flags;
 
+		netif_rx_complete(dev);
+		rx_poll_enabled = 0;
+#if 0
+		status1 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_STATUS_1_REG);
+		if (status1 & 1) {
+			if (netif_rx_reschedule(dev, rx_pkts_num)) {
+				rx_poll_enabled = 1;
+				return 1;
 			}
+		}
 #endif
-        //toe_gmac_fill_free_q();
-        netif_rx_complete(dev);
-
-		rx_poll_enabled = 0;
 
-		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);
+		spin_lock_irqsave(&gmac_fq_lock, flags);
 
 		data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
 		if (tp->port_id == 0)
-				data32 |= DEFAULT_Q0_INT_BIT;
+			data32 |= DEFAULT_Q0_INT_BIT;
 		else
-				data32 |= DEFAULT_Q1_INT_BIT;
+			data32 |= DEFAULT_Q1_INT_BIT;
 		writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_4_REG);
 
-		data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+		data32 = readl(TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
 		if (tp->port_id == 0)
-				data32 |= DEFAULT_Q0_INT_BIT;
+			data32 |= DEFAULT_Q0_INT_BIT;
 		else
-				data32 |= DEFAULT_Q1_INT_BIT;
-		writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_SELECT_4_REG);
+			data32 |= DEFAULT_Q1_INT_BIT;
+		writel(data32, TOE_GLOBAL_BASE + GLOBAL_INTERRUPT_ENABLE_1_REG);
 
-        // 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;
-    }
+		spin_unlock_irqrestore(&gmac_fq_lock, flags);
+
+		return 0;
+	}
+	else
+	{
+		/* not done, will call ->poll() later. */
+		return 1;
+	}
 }
 #endif
 
@@ -5114,6 +4475,7 @@
 			{
 				sl351x_nat_workaround_cnt++;
 				sl351x_nat_workaround_handler();
+				printk("%():%d - workaround\n", __func__, __LINE__);
 			}
 #endif
 #endif
@@ -5124,6 +4486,7 @@
 	}
 
 do_workaround:
+	printk("doing workaround ?!\n");
 
 	gmac_initialized = 0;
 	if (hanged_state)
@@ -5290,6 +4653,7 @@
 	GMAC_SWTXQ_T	*swtxq;
 	DMA_RWPTR_T		rwptr;
 
+	printk("**** %s():%d\n", __func__, __LINE__);
 	toe = (TOE_INFO_T *)&toe_private_data;
 	tp = (GMAC_INFO_T *)&toe->gmac[0];
 	for (i=0; i<GMAC_NUM; i++, tp++)
@@ -5341,6 +4705,7 @@
 	volatile GMAC_RXDESC_T	*curr_desc;
 	struct sk_buff			*skb;
 
+	printk("**** %s():%d\n", __func__, __LINE__);
 	toe = (TOE_INFO_T *)&toe_private_data;
 	tp = (GMAC_INFO_T *)&toe->gmac[0];
 	for (i=0; i<GMAC_NUM; i++, tp++)
@@ -5374,6 +4739,7 @@
 	volatile GMAC_RXDESC_T	*curr_desc;
 	struct sk_buff			*skb;
 
+	printk("**** %s():%d\n", __func__, __LINE__);
 	toe = (TOE_INFO_T *)&toe_private_data;
 	classq = (CLASSQ_INFO_T *)&toe->classq[0];
 	for (i=0; i<TOE_CLASS_QUEUE_NUM; i++, classq++)
@@ -5410,6 +4776,7 @@
 	GMAC_RXDESC_T	*toe_curr_desc;
 	struct sk_buff			*skb;
 
+	printk("**** %s():%d\n", __func__, __LINE__);
 	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++)
--- a/include/asm-arm/arch-sl2312/sl351x_gmac.h
+++ b/include/asm-arm/arch-sl2312/sl351x_gmac.h
@@ -107,7 +107,7 @@
  * 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_POWER		8
 #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)
@@ -123,12 +123,12 @@
 #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_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_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