net: mscc: ocelot: transmit the VLAN filtering restrictions via extack

We need to transmit more restrictions in future patches, convert this
one to netlink extack.

Signed-off-by: Vladimir Oltean <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: vladimiroltean

drivers/net/dsa/ocelot/felix.c

@@ -770,7 +770,7 @@ static int felix_vlan_filtering(struct dsa_switch *ds, int port, bool enabled,
 {
 	struct ocelot *ocelot = ds->priv;
 
-	return ocelot_port_vlan_filtering(ocelot, port, enabled);
+	return ocelot_port_vlan_filtering(ocelot, port, enabled, extack);
 }
 
 static int felix_vlan_add(struct dsa_switch *ds, int port,

drivers/net/ethernet/mscc/ocelot.c

@@ -223,7 +223,7 @@ static void ocelot_port_set_pvid(struct ocelot *ocelot, int port,
 }
 
 int ocelot_port_vlan_filtering(struct ocelot *ocelot, int port,
-			       bool vlan_aware)
+			       bool vlan_aware, struct netlink_ext_ack *extack)
 {
 	struct ocelot_vcap_block *block = &ocelot->block[VCAP_IS1];
 	struct ocelot_port *ocelot_port = ocelot->ports[port];
@@ -233,8 +233,8 @@ int ocelot_port_vlan_filtering(struct ocelot *ocelot, int port,
 	list_for_each_entry(filter, &block->rules, list) {
 		if (filter->ingress_port_mask & BIT(port) &&
 		    filter->action.vid_replace_ena) {
-			dev_err(ocelot->dev,
-				"Cannot change VLAN state with vlan modify rules active\n");
+			NL_SET_ERR_MSG_MOD(extack,
+					   "Cannot change VLAN state with vlan modify rules active");
 			return -EBUSY;
 		}
 	}

drivers/net/ethernet/mscc/ocelot_net.c

@@ -913,7 +913,8 @@ static int ocelot_port_attr_set(struct net_device *dev, const void *ctx,
 		ocelot_port_attr_ageing_set(ocelot, port, attr->u.ageing_time);
 		break;
 	case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING:
-		ocelot_port_vlan_filtering(ocelot, port, attr->u.vlan_filtering);
+		ocelot_port_vlan_filtering(ocelot, port, attr->u.vlan_filtering,
+					   extack);
 		break;
 	case SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED:
 		ocelot_port_attr_mc_set(ocelot, port, !attr->u.mc_disabled);
@@ -1133,14 +1134,15 @@ static int ocelot_switchdev_sync(struct ocelot *ocelot, int port,
 	ocelot_port_attr_ageing_set(ocelot, port, ageing_time);
 
 	return ocelot_port_vlan_filtering(ocelot, port,
-					  br_vlan_enabled(bridge_dev));
+					  br_vlan_enabled(bridge_dev),
+					  extack);
 }
 
 static int ocelot_switchdev_unsync(struct ocelot *ocelot, int port)
 {
 	int err;
 
-	err = ocelot_port_vlan_filtering(ocelot, port, false);
+	err = ocelot_port_vlan_filtering(ocelot, port, false, NULL);
 	if (err)
 		return err;
 

include/soc/mscc/ocelot.h

@@ -807,7 +807,8 @@ int ocelot_get_sset_count(struct ocelot *ocelot, int port, int sset);
 int ocelot_get_ts_info(struct ocelot *ocelot, int port,
 		       struct ethtool_ts_info *info);
 void ocelot_set_ageing_time(struct ocelot *ocelot, unsigned int msecs);
-int ocelot_port_vlan_filtering(struct ocelot *ocelot, int port, bool enabled);
+int ocelot_port_vlan_filtering(struct ocelot *ocelot, int port, bool enabled,
+			       struct netlink_ext_ack *extack);
 void ocelot_bridge_stp_state_set(struct ocelot *ocelot, int port, u8 state);
 void ocelot_apply_bridge_fwd_mask(struct ocelot *ocelot);
 int ocelot_port_pre_bridge_flags(struct ocelot *ocelot, int port,