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-rw-r--r--net/dsa/dsa_priv.h4
-rw-r--r--net/dsa/port.c4
-rw-r--r--net/dsa/slave.c25
-rw-r--r--net/dsa/switch.c3
4 files changed, 26 insertions, 10 deletions
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index f5949b39f6f7..17a9f82db937 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -75,6 +75,7 @@ struct dsa_notifier_vlan_info {
const struct switchdev_obj_port_vlan *vlan;
int sw_index;
int port;
+ struct netlink_ext_ack *extack;
};
/* DSA_NOTIFIER_MTU */
@@ -192,7 +193,8 @@ int dsa_port_bridge_flags(const struct dsa_port *dp,
int dsa_port_mrouter(struct dsa_port *dp, bool mrouter,
struct netlink_ext_ack *extack);
int dsa_port_vlan_add(struct dsa_port *dp,
- const struct switchdev_obj_port_vlan *vlan);
+ const struct switchdev_obj_port_vlan *vlan,
+ struct netlink_ext_ack *extack);
int dsa_port_vlan_del(struct dsa_port *dp,
const struct switchdev_obj_port_vlan *vlan);
int dsa_port_link_register_of(struct dsa_port *dp);
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 80e6471a7a5c..03ecefe1064a 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -535,12 +535,14 @@ int dsa_port_mdb_del(const struct dsa_port *dp,
}
int dsa_port_vlan_add(struct dsa_port *dp,
- const struct switchdev_obj_port_vlan *vlan)
+ const struct switchdev_obj_port_vlan *vlan,
+ struct netlink_ext_ack *extack)
{
struct dsa_notifier_vlan_info info = {
.sw_index = dp->ds->index,
.port = dp->index,
.vlan = vlan,
+ .extack = extack,
};
return dsa_port_notify(dp, DSA_NOTIFIER_VLAN_ADD, &info);
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 8c9a41a7209a..9ec487b63e13 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -357,11 +357,14 @@ static int dsa_slave_vlan_add(struct net_device *dev,
rcu_read_lock();
err = dsa_slave_vlan_check_for_8021q_uppers(dev, &vlan);
rcu_read_unlock();
- if (err)
+ if (err) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Port already has a VLAN upper with this VID");
return err;
+ }
}
- err = dsa_port_vlan_add(dp, &vlan);
+ err = dsa_port_vlan_add(dp, &vlan, extack);
if (err)
return err;
@@ -371,7 +374,7 @@ static int dsa_slave_vlan_add(struct net_device *dev,
*/
vlan.flags &= ~BRIDGE_VLAN_INFO_PVID;
- err = dsa_port_vlan_add(dp->cpu_dp, &vlan);
+ err = dsa_port_vlan_add(dp->cpu_dp, &vlan, extack);
if (err)
return err;
@@ -1287,17 +1290,25 @@ static int dsa_slave_vlan_rx_add_vid(struct net_device *dev, __be16 proto,
/* This API only allows programming tagged, non-PVID VIDs */
.flags = 0,
};
+ struct netlink_ext_ack extack = {0};
int ret;
/* User port... */
- ret = dsa_port_vlan_add(dp, &vlan);
- if (ret)
+ ret = dsa_port_vlan_add(dp, &vlan, &extack);
+ if (ret) {
+ if (extack._msg)
+ netdev_err(dev, "%s\n", extack._msg);
return ret;
+ }
/* And CPU port... */
- ret = dsa_port_vlan_add(dp->cpu_dp, &vlan);
- if (ret)
+ ret = dsa_port_vlan_add(dp->cpu_dp, &vlan, &extack);
+ if (ret) {
+ if (extack._msg)
+ netdev_err(dev, "CPU port %d: %s\n", dp->cpu_dp->index,
+ extack._msg);
return ret;
+ }
return vlan_vid_add(master, proto, vid);
}
diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index 1906179e59f7..c82d201181a5 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -291,7 +291,8 @@ static int dsa_switch_vlan_add(struct dsa_switch *ds,
for (port = 0; port < ds->num_ports; port++) {
if (dsa_switch_vlan_match(ds, port, info)) {
- err = ds->ops->port_vlan_add(ds, port, info->vlan);
+ err = ds->ops->port_vlan_add(ds, port, info->vlan,
+ info->extack);
if (err)
return err;
}