diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 47 |
1 files changed, 37 insertions, 10 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 3adf237c951a..5cd4df08ce97 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -4019,14 +4019,21 @@ static int mlxsw_sp_lag_index_get(struct mlxsw_sp *mlxsw_sp, static bool mlxsw_sp_master_lag_check(struct mlxsw_sp *mlxsw_sp, struct net_device *lag_dev, - struct netdev_lag_upper_info *lag_upper_info) + struct netdev_lag_upper_info *lag_upper_info, + struct netlink_ext_ack *extack) { u16 lag_id; - if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) + if (mlxsw_sp_lag_index_get(mlxsw_sp, lag_dev, &lag_id) != 0) { + NL_SET_ERR_MSG(extack, + "spectrum: Exceeded number of supported LAG devices"); return false; - if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) + } + if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) { + NL_SET_ERR_MSG(extack, + "spectrum: LAG device using unsupported Tx type"); return false; + } return true; } @@ -4231,6 +4238,7 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, { struct netdev_notifier_changeupper_info *info; struct mlxsw_sp_port *mlxsw_sp_port; + struct netlink_ext_ack *extack; struct net_device *upper_dev; struct mlxsw_sp *mlxsw_sp; int err = 0; @@ -4238,6 +4246,7 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, mlxsw_sp_port = netdev_priv(dev); mlxsw_sp = mlxsw_sp_port->mlxsw_sp; info = ptr; + extack = netdev_notifier_info_to_extack(&info->info); switch (event) { case NETDEV_PRECHANGEUPPER: @@ -4245,25 +4254,43 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, if (!is_vlan_dev(upper_dev) && !netif_is_lag_master(upper_dev) && !netif_is_bridge_master(upper_dev) && - !netif_is_ovs_master(upper_dev)) + !netif_is_ovs_master(upper_dev)) { + NL_SET_ERR_MSG(extack, + "spectrum: Unknown upper device type"); return -EINVAL; + } if (!info->linking) break; - if (netdev_has_any_upper_dev(upper_dev)) + if (netdev_has_any_upper_dev(upper_dev)) { + NL_SET_ERR_MSG(extack, + "spectrum: Enslaving a port to a device that already has an upper device is not supported"); return -EINVAL; + } if (netif_is_lag_master(upper_dev) && !mlxsw_sp_master_lag_check(mlxsw_sp, upper_dev, - info->upper_info)) + info->upper_info, extack)) return -EINVAL; - if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) + if (netif_is_lag_master(upper_dev) && vlan_uses_dev(dev)) { + NL_SET_ERR_MSG(extack, + "spectrum: Master device is a LAG master and this device has a VLAN"); return -EINVAL; + } if (netif_is_lag_port(dev) && is_vlan_dev(upper_dev) && - !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) + !netif_is_lag_master(vlan_dev_real_dev(upper_dev))) { + NL_SET_ERR_MSG(extack, + "spectrum: Can not put a VLAN on a LAG port"); return -EINVAL; - if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) + } + if (netif_is_ovs_master(upper_dev) && vlan_uses_dev(dev)) { + NL_SET_ERR_MSG(extack, + "spectrum: Master device is an OVS master and this device has a VLAN"); return -EINVAL; - if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) + } + if (netif_is_ovs_port(dev) && is_vlan_dev(upper_dev)) { + NL_SET_ERR_MSG(extack, + "spectrum: Can not put a VLAN on an OVS port"); return -EINVAL; + } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; |