From: Bruce Allan <bruce.w.allan@intel.com>
Date: Thu, 19 Nov 2009 12:35:26 +0000 (+0000)
Subject: e1000e: add Tx timeout factor for 100Mbps
X-Git-Tag: v3.12-rc1~12219^2~21
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4c86e0b9455c8fa8122fc2d10935e892838c8568;p=kernel%2Fkernel-generic.git

e1000e: add Tx timeout factor for 100Mbps

On some devices (e.g. 82578) not having a Tx timeout factor when linked at
100Mbps can cause false reports of hardware hangs on busy hubs.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index a1a5a6f..63458270 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -3627,7 +3627,7 @@ static void e1000_watchdog_task(struct work_struct *work)
 			case SPEED_100:
 				txb2b = 0;
 				netdev->tx_queue_len = 100;
-				/* maybe add some timeout factor ? */
+				adapter->tx_timeout_factor = 10;
 				break;
 			}