netdev - [net-next-2.6 PATCH 7/7] ixgbevf: Tell network stack to stop tx when the VF detects PF reset

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Message-ID: <20100123084736.9865.42744.stgit@localhost.localdomain>
Date:	Sat, 23 Jan 2010 00:47:37 -0800
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, gospo@...hat.com,
	Greg Rose <gregory.v.rose@...el.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next-2.6 PATCH 7/7] ixgbevf: Tell network stack to stop tx when
	the VF detects PF reset

From: Greg Rose <gregory.v.rose@...el.com>

When the VF detects that the PF has reset turn off carrier and stop all
tx queues.

Signed-off-by: Greg Rose <gregory.v.rose@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---

 drivers/net/ixgbevf/ixgbevf_main.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index 0a27fa1..623353d 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -2381,6 +2381,8 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
 					    &link_up, false)) != 0) {
 			adapter->link_up = link_up;
 			adapter->link_speed = link_speed;
+			netif_carrier_off(netdev);
+			netif_tx_stop_all_queues(netdev);
 			schedule_work(&adapter->reset_task);
 			goto pf_has_reset;
 		}

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