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 <[email protected]> Tested-by: Phil Schmitt <[email protected]> Tested-by: Sibai Li <[email protected]> Signed-off-by: Jeff Kirsher <[email protected]>
ambv · Jul 18, 2012 · befa2af · befa2af
1 parent 5abf7f7
commit befa2af
Showing 1 changed file with 6 additions and 0 deletions.
diff --git 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);
 }
 
 /**