Automatic merge of /spare/repo/netdev-2.6 branch e1000

1 files changed, 69 insertions, 36 deletions

diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index 0a2ca7c73a4..237247f74df 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   
-  Copyright(c) 1999 - 2004 Intel Corporation. All rights reserved.
+  Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
   
   This program is free software; you can redistribute it and/or modify it 
   under the terms of the GNU General Public License as published by the Free 
@@ -69,6 +69,7 @@ static const struct e1000_stats e1000_gstrings_stats[] = {
 	{ "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
 	{ "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
 	{ "rx_fifo_errors", E1000_STAT(net_stats.rx_fifo_errors) },
+	{ "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
 	{ "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
 	{ "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
 	{ "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
@@ -593,7 +594,7 @@ e1000_set_ringparam(struct net_device *netdev,
 	tx_old = adapter->tx_ring;
 	rx_old = adapter->rx_ring;
 
-	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 
+	if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 		return -EINVAL;
 
 	if(netif_running(adapter->netdev))
@@ -784,8 +785,8 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 	/* Hook up test interrupt handler just for this test */
  	if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
  		shared_int = FALSE;
- 	} else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ, 
-			netdev->name, netdev)){
+ 	} else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ,
+			      netdev->name, netdev)){
 		*data = 1;
 		return -1;
 	}
@@ -842,10 +843,8 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
 			 * test failed.
 			 */
 			adapter->test_icr = 0;
-			E1000_WRITE_REG(&adapter->hw, IMC, 
-					(~mask & 0x00007FFF));
-			E1000_WRITE_REG(&adapter->hw, ICS, 
-					(~mask & 0x00007FFF));
+			E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
+			E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
 			msec_delay(10);
 
 			if(adapter->test_icr) {
@@ -919,7 +918,8 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter)
 
 	/* Setup Tx descriptor ring and Tx buffers */
 
-	txdr->count = 80;
+	if(!txdr->count)
+		txdr->count = E1000_DEFAULT_TXD;   
 
 	size = txdr->count * sizeof(struct e1000_buffer);
 	if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
@@ -974,7 +974,8 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter)
 
 	/* Setup Rx descriptor ring and Rx buffers */
 
-	rxdr->count = 80;
+	if(!rxdr->count)
+		rxdr->count = E1000_DEFAULT_RXD;   
 
 	size = rxdr->count * sizeof(struct e1000_buffer);
 	if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
@@ -1008,7 +1009,7 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter)
 		struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
 		struct sk_buff *skb;
 
-		if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, 
+		if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
 				GFP_KERNEL))) {
 			ret_val = 6;
 			goto err_nomem;
@@ -1310,31 +1311,62 @@ e1000_run_loopback_test(struct e1000_adapter *adapter)
 	struct e1000_desc_ring *txdr = &adapter->test_tx_ring;
 	struct e1000_desc_ring *rxdr = &adapter->test_rx_ring;
 	struct pci_dev *pdev = adapter->pdev;
-	int i, ret_val;
+	int i, j, k, l, lc, good_cnt, ret_val=0;
+	unsigned long time;
 
 	E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
 
-	for(i = 0; i < 64; i++) {
-		e1000_create_lbtest_frame(txdr->buffer_info[i].skb, 1024);
-		pci_dma_sync_single_for_device(pdev, txdr->buffer_info[i].dma,
-					    txdr->buffer_info[i].length,
-					    PCI_DMA_TODEVICE);
-	}
-	E1000_WRITE_REG(&adapter->hw, TDT, i);
-
-	msec_delay(200);
-
-	i = 0;
-	do {
-		pci_dma_sync_single_for_cpu(pdev, rxdr->buffer_info[i].dma,
-					    rxdr->buffer_info[i].length,
-					    PCI_DMA_FROMDEVICE);
-
-		ret_val = e1000_check_lbtest_frame(rxdr->buffer_info[i].skb,
-						   1024);
-		i++;
-	} while (ret_val != 0 && i < 64);
+	/* Calculate the loop count based on the largest descriptor ring 
+	 * The idea is to wrap the largest ring a number of times using 64
+	 * send/receive pairs during each loop
+	 */
 
+	if(rxdr->count <= txdr->count)
+		lc = ((txdr->count / 64) * 2) + 1;
+	else
+		lc = ((rxdr->count / 64) * 2) + 1;
+
+	k = l = 0;
+	for(j = 0; j <= lc; j++) { /* loop count loop */
+		for(i = 0; i < 64; i++) { /* send the packets */
+			e1000_create_lbtest_frame(txdr->buffer_info[i].skb, 
+					1024);
+			pci_dma_sync_single_for_device(pdev, 
+					txdr->buffer_info[k].dma,
+				    	txdr->buffer_info[k].length,
+				    	PCI_DMA_TODEVICE);
+			if(unlikely(++k == txdr->count)) k = 0;
+		}
+		E1000_WRITE_REG(&adapter->hw, TDT, k);
+		msec_delay(200);
+		time = jiffies; /* set the start time for the receive */
+		good_cnt = 0;
+		do { /* receive the sent packets */
+			pci_dma_sync_single_for_cpu(pdev, 
+					rxdr->buffer_info[l].dma,
+				    	rxdr->buffer_info[l].length,
+				    	PCI_DMA_FROMDEVICE);
+	
+			ret_val = e1000_check_lbtest_frame(
+					rxdr->buffer_info[l].skb,
+				   	1024);
+			if(!ret_val)
+				good_cnt++;
+			if(unlikely(++l == rxdr->count)) l = 0;
+			/* time + 20 msecs (200 msecs on 2.4) is more than 
+			 * enough time to complete the receives, if it's 
+			 * exceeded, break and error off
+			 */
+		} while (good_cnt < 64 && jiffies < (time + 20));
+		if(good_cnt != 64) {
+			ret_val = 13; /* ret_val is the same as mis-compare */
+			break; 
+		}
+		if(jiffies >= (time + 2)) {
+			ret_val = 14; /* error code for time out error */
+			break;
+		}
+	} /* end loop count loop */
 	return ret_val;
 }
 
@@ -1354,13 +1386,12 @@ static int
 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
 {
 	*data = 0;
-
 	if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
 		int i = 0;
 		adapter->hw.serdes_link_down = TRUE;
 
-		/* on some blade server designs link establishment */
-		/* could take as long as 2-3 minutes.              */
+		/* On some blade server designs, link establishment
+		 * could take as long as 2-3 minutes */
 		do {
 			e1000_check_for_link(&adapter->hw);
 			if (adapter->hw.serdes_link_down == FALSE)
@@ -1368,9 +1399,11 @@ e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
 			msec_delay(20);
 		} while (i++ < 3750);
 
-		*data = 1; 
+		*data = 1;
 	} else {
 		e1000_check_for_link(&adapter->hw);
+		if(adapter->hw.autoneg)  /* if auto_neg is set wait for it */
+			msec_delay(4000);
 
 		if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
 			*data = 1;