+static int efx_ef10_del_vlan(struct efx_nic *efx, u16 vid)
+{
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ struct efx_ef10_vlan *vlan;
+ int rc = 0;
+
+ /* 8021q removes VID 0 on module unload for all interfaces
+ * with VLAN filtering feature. We need to keep it to receive
+ * untagged traffic.
+ */
+ if (vid == 0)
+ return 0;
+
+ mutex_lock(&nic_data->vlan_lock);
+
+ vlan = efx_ef10_find_vlan(efx, vid);
+ if (!vlan) {
+ netif_err(efx, drv, efx->net_dev,
+ "VLAN %u to be deleted not found\n", vid);
+ rc = -ENOENT;
+ } else {
+ efx_ef10_del_vlan_internal(efx, vlan);
+ }
+
+ mutex_unlock(&nic_data->vlan_lock);
+
+ return rc;
+}
+