From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next 1/6] ixgbe: Ping the VFs on link status change to trigger link change Date: Tue, 17 Jul 2012 19:20:40 -0700 Message-ID: <1342578045-17778-2-git-send-email-jeffrey.t.kirsher@intel.com> References: <1342578045-17778-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Alexander Duyck , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga14.intel.com ([143.182.124.37]:6702 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752057Ab2GRCUt (ORCPT ); Tue, 17 Jul 2012 22:20:49 -0400 In-Reply-To: <1342578045-17778-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Alexander Duyck When the link status changes on the PF we need to notify the VFs. In order to do this we should ping all of the VFs in order to trigger a link status change on them as well. This fixes issues in which the PF would reset, but the VF didn't because the NAK flag was not set in the VF mailbox. Signed-off-by: Alexander Duyck Tested-by: Phil Schmitt Tested-by: Sibai Li Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index ee230f5..17f46f0 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -5390,6 +5390,9 @@ static void ixgbe_watchdog_link_is_up(struct ixgbe_adapter *adapter) netif_carrier_on(netdev); ixgbe_check_vf_rate_limit(adapter); + + /* ping all the active vfs to let them know link has changed */ + ixgbe_ping_all_vfs(adapter); } /** @@ -5419,6 +5422,9 @@ static void ixgbe_watchdog_link_is_down(struct ixgbe_adapter *adapter) e_info(drv, "NIC Link is Down\n"); netif_carrier_off(netdev); + + /* ping all the active vfs to let them know link has changed */ + ixgbe_ping_all_vfs(adapter); } /** -- 1.7.10.4