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Commit 8d82a7c5 authored by Greg Rose's avatar Greg Rose Committed by David S. Miller
Browse files

i40e: Retain MAC filters on port VLAN deletion 



On port VLAN deletion the list of MAC filters for the virtual function (VF)
VSI were all deleted.  Let's keep them around, they come in handy for keeping
the VF functional.

Change-Id: I335e760392f274dc8b8b40efcb708f65b49d7973
Signed-off-by: default avatarGreg Rose <gregory.v.rose@intel.com>
Tested-by: default avatarSibai Li <sibai.li@intel.com>
Signed-off-by: default avatarAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 99a4973c

drivers/net/ethernet/intel/i40e/i40e_main.c

+3 −0
Original line number Diff line number Diff line
@@ -1844,7 +1844,10 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid) 
				return -ENOMEM;

			}

		}

	}



	/* Do not assume that I40E_VLAN_ANY should be reset to VLAN 0 */

	if (vid > 0 && !vsi->info.pvid) {

		list_for_each_entry(f, &vsi->mac_filter_list, list) {

			if (i40e_find_filter(vsi, f->macaddr, I40E_VLAN_ANY,

					     is_vf, is_netdev)) {

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

+13 −0
Original line number Diff line number Diff line
@@ -2081,6 +2081,15 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, 
			"VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n",

			vf_id);



	/* Check for condition where there was already a port VLAN ID

	 * filter set and now it is being deleted by setting it to zero.

	 * Before deleting all the old VLAN filters we must add new ones

	 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our

	 * MAC addresses deleted.

	 */

	if (!(vlan_id || qos) && vsi->info.pvid)

		ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY);



	if (vsi->info.pvid) {

		/* kill old VLAN */

		ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
@@ -2109,6 +2118,10 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, 
				 vsi->back->hw.aq.asq_last_status);

			goto error_pvid;

		}

		/* Kill non-vlan MAC filters - ignore error return since

		 * there might not be any non-vlan MAC filters.

		 */

		i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY);

	}



	if (ret) {