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: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 869b4fb..44bb359 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -2081,6 +2081,15 @@
"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 @@
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) {