1 files changed, 69 insertions, 36 deletions

diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index 0a2ca7c73a41..237247f74df4 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;