From 709cf0187d286cb1bf2c210e62bba98afdec859c Mon Sep 17 00:00:00 2001 From: Auke Kok Date: Mon, 10 Jul 2006 08:51:43 -0700 Subject: [PATCH] [PATCH] ixgb: fix tx unit hang - properly calculate desciptor count There were some tso bugs that only showed up with heavy load and 16kB pages that this patch fixes by making the driver's internal use count of descriptors match the count that it was estimating it needed using the DESC_NEEDED macro. This bug caused NETDEV_WATCHDOG resets aka tx timeouts. Signed-off-by: Jesse Brandeburg Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- drivers/net/ixgb/ixgb_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index 7eb08d92..7bbd447 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -1281,7 +1281,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, while(len) { buffer_info = &tx_ring->buffer_info[i]; - size = min(len, IXGB_MAX_JUMBO_FRAME_SIZE); + size = min(len, IXGB_MAX_DATA_PER_TXD); buffer_info->length = size; buffer_info->dma = pci_map_single(adapter->pdev, @@ -1306,7 +1306,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, while(len) { buffer_info = &tx_ring->buffer_info[i]; - size = min(len, IXGB_MAX_JUMBO_FRAME_SIZE); + size = min(len, IXGB_MAX_DATA_PER_TXD); buffer_info->length = size; buffer_info->dma = pci_map_page(adapter->pdev, -- 2.7.4