Commit befa2af7 authored May 05, 2012 by Alexander Duyck Committed by Jeff Kirsher Jul 17, 2012

ixgbe: Ping the VFs on link status change to trigger link change



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 <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

parent 5abf7f7e

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -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);
		}

		/**