From: Jeff Kirsher Date: Fri, 3 Apr 2015 20:27:11 +0000 (-0700) Subject: fm10k: update xcast mode before synchronizing multicast addresses X-Git-Tag: firefly_0821_release~176^2~1974^2^2~5 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a7731cc8a1593510cdd5acf97a70a41a2ebe9571;p=firefly-linux-kernel-4.4.55.git fm10k: update xcast mode before synchronizing multicast addresses When the PF receives a request to update a multicast address for the VF, it checks the enabled multicast mode first. Fix a bug where the VF tried to set a multicast address before requesting the required xcast mode. This ensures the multicast addresses are honored as long as the xcast mode was allowed. Signed-off-by: Jeff Kirsher Signed-off-by: Jacob Keller Acked-by: Matthew Vick Tested-by: Krishneil Singh Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c index 6981964a14d2..2f4f41b7eae7 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c @@ -970,14 +970,7 @@ static void fm10k_set_rx_mode(struct net_device *dev) fm10k_mbx_lock(interface); - /* synchronize all of the addresses */ - if (xcast_mode != FM10K_XCAST_MODE_PROMISC) { - __dev_uc_sync(dev, fm10k_uc_sync, fm10k_uc_unsync); - if (xcast_mode != FM10K_XCAST_MODE_ALLMULTI) - __dev_mc_sync(dev, fm10k_mc_sync, fm10k_mc_unsync); - } - - /* if we aren't changing modes there is nothing to do */ + /* update xcast mode first, but only if it changed */ if (interface->xcast_mode != xcast_mode) { /* update VLAN table */ if (xcast_mode == FM10K_XCAST_MODE_PROMISC) @@ -992,6 +985,13 @@ static void fm10k_set_rx_mode(struct net_device *dev) interface->xcast_mode = xcast_mode; } + /* synchronize all of the addresses */ + if (xcast_mode != FM10K_XCAST_MODE_PROMISC) { + __dev_uc_sync(dev, fm10k_uc_sync, fm10k_uc_unsync); + if (xcast_mode != FM10K_XCAST_MODE_ALLMULTI) + __dev_mc_sync(dev, fm10k_mc_sync, fm10k_mc_unsync); + } + fm10k_mbx_unlock(interface); } @@ -1051,6 +1051,9 @@ void fm10k_restore_rx_state(struct fm10k_intfc *interface) vid, true, 0); } + /* update xcast mode before syncronizing addresses */ + hw->mac.ops.update_xcast_mode(hw, glort, xcast_mode); + /* synchronize all of the addresses */ if (xcast_mode != FM10K_XCAST_MODE_PROMISC) { __dev_uc_sync(netdev, fm10k_uc_sync, fm10k_uc_unsync); @@ -1058,9 +1061,6 @@ void fm10k_restore_rx_state(struct fm10k_intfc *interface) __dev_mc_sync(netdev, fm10k_mc_sync, fm10k_mc_unsync); } - /* update xcast mode */ - hw->mac.ops.update_xcast_mode(hw, glort, xcast_mode); - fm10k_mbx_unlock(interface); /* record updated xcast mode state */