diff options
Diffstat (limited to 'drivers/net/dsa')
| -rw-r--r-- | drivers/net/dsa/sja1105/sja1105_main.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c index 309e6a933df7..a380f37fd22d 100644 --- a/drivers/net/dsa/sja1105/sja1105_main.c +++ b/drivers/net/dsa/sja1105/sja1105_main.c @@ -2252,6 +2252,20 @@ static int sja1105_dsa_8021q_vlan_del(struct dsa_switch *ds, int port, u16 vid) return sja1105_vlan_del(priv, port, vid); } +static int sja1105_prechangeupper(struct dsa_switch *ds, int port, + struct netdev_notifier_changeupper_info *info) +{ + struct netlink_ext_ack *extack = info->info.extack; + struct net_device *upper = info->upper_dev; + + if (is_vlan_dev(upper)) { + NL_SET_ERR_MSG_MOD(extack, "8021q uppers are not supported"); + return -EBUSY; + } + + return 0; +} + /* The programming model for the SJA1105 switch is "all-at-once" via static * configuration tables. Some of these can be dynamically modified at runtime, * but not the xMII mode parameters table. @@ -2846,6 +2860,7 @@ static const struct dsa_switch_ops sja1105_switch_ops = { .devlink_info_get = sja1105_devlink_info_get, .tag_8021q_vlan_add = sja1105_dsa_8021q_vlan_add, .tag_8021q_vlan_del = sja1105_dsa_8021q_vlan_del, + .port_prechangeupper = sja1105_prechangeupper, }; static const struct of_device_id sja1105_dt_ids[]; |