diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.c | 44 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 24 |
3 files changed, 77 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index fe954e87c5a7..385eb3c3b362 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -3893,6 +3893,7 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, struct net_device *upper_dev; struct mlxsw_sp *mlxsw_sp; int err = 0; + u16 proto; mlxsw_sp_port = netdev_priv(dev); mlxsw_sp = mlxsw_sp_port->mlxsw_sp; @@ -3950,6 +3951,36 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev, NL_SET_ERR_MSG_MOD(extack, "Can not put a VLAN on an OVS port"); return -EINVAL; } + if (netif_is_bridge_master(upper_dev)) { + br_vlan_get_proto(upper_dev, &proto); + if (br_vlan_enabled(upper_dev) && + proto != ETH_P_8021Q && proto != ETH_P_8021AD) { + NL_SET_ERR_MSG_MOD(extack, "Enslaving a port to a bridge with unknown VLAN protocol is not supported"); + return -EOPNOTSUPP; + } + if (vlan_uses_dev(lower_dev) && + br_vlan_enabled(upper_dev) && + proto == ETH_P_8021AD) { + NL_SET_ERR_MSG_MOD(extack, "Enslaving a port that already has a VLAN upper to an 802.1ad bridge is not supported"); + return -EOPNOTSUPP; + } + } + if (netif_is_bridge_port(lower_dev) && is_vlan_dev(upper_dev)) { + struct net_device *br_dev = netdev_master_upper_dev_get(lower_dev); + + if (br_vlan_enabled(br_dev)) { + br_vlan_get_proto(br_dev, &proto); + if (proto == ETH_P_8021AD) { + NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are not supported on a port enslaved to an 802.1ad bridge"); + return -EOPNOTSUPP; + } + } + } + if (is_vlan_dev(upper_dev) && + ntohs(vlan_dev_vlan_proto(upper_dev)) != ETH_P_8021Q) { + NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are only supported with 802.1q VLAN protocol"); + return -EOPNOTSUPP; + } break; case NETDEV_CHANGEUPPER: upper_dev = info->upper_dev; @@ -4215,6 +4246,7 @@ static int mlxsw_sp_netdevice_bridge_event(struct net_device *br_dev, struct netdev_notifier_changeupper_info *info = ptr; struct netlink_ext_ack *extack; struct net_device *upper_dev; + u16 proto; if (!mlxsw_sp) return 0; @@ -4230,6 +4262,18 @@ static int mlxsw_sp_netdevice_bridge_event(struct net_device *br_dev, } if (!info->linking) break; + if (br_vlan_enabled(br_dev)) { + br_vlan_get_proto(br_dev, &proto); + if (proto == ETH_P_8021AD) { + NL_SET_ERR_MSG_MOD(extack, "Uppers are not supported on top of an 802.1ad bridge"); + return -EOPNOTSUPP; + } + } + if (is_vlan_dev(upper_dev) && + ntohs(vlan_dev_vlan_proto(upper_dev)) != ETH_P_8021Q) { + NL_SET_ERR_MSG_MOD(extack, "VLAN uppers are only supported with 802.1q VLAN protocol"); + return -EOPNOTSUPP; + } if (netif_is_macvlan(upper_dev) && !mlxsw_sp_rif_exists(mlxsw_sp, br_dev)) { NL_SET_ERR_MSG_MOD(extack, "macvlan is only supported on top of router interfaces"); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 12b5d7fbe1e2..85223647fdb6 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -7857,6 +7857,15 @@ static int mlxsw_sp_inetaddr_bridge_event(struct mlxsw_sp *mlxsw_sp, switch (event) { case NETDEV_UP: + if (netif_is_bridge_master(l3_dev) && br_vlan_enabled(l3_dev)) { + u16 proto; + + br_vlan_get_proto(l3_dev, &proto); + if (proto == ETH_P_8021AD) { + NL_SET_ERR_MSG_MOD(extack, "Adding an IP address to 802.1ad bridge is not supported"); + return -EOPNOTSUPP; + } + } rif = mlxsw_sp_rif_create(mlxsw_sp, ¶ms, extack); if (IS_ERR(rif)) return PTR_ERR(rif); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index d8ee8801331c..9c4e17607e6a 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -764,6 +764,25 @@ static int mlxsw_sp_port_attr_br_vlan_set(struct mlxsw_sp_port *mlxsw_sp_port, return -EINVAL; } +static int mlxsw_sp_port_attr_br_vlan_proto_set(struct mlxsw_sp_port *mlxsw_sp_port, + struct switchdev_trans *trans, + struct net_device *orig_dev, + u16 vlan_proto) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + struct mlxsw_sp_bridge_device *bridge_device; + + if (!switchdev_trans_ph_prepare(trans)) + return 0; + + bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev); + if (WARN_ON(!bridge_device)) + return -EINVAL; + + netdev_err(bridge_device->dev, "VLAN protocol can't be changed on existing bridge\n"); + return -EINVAL; +} + static int mlxsw_sp_port_attr_mrouter_set(struct mlxsw_sp_port *mlxsw_sp_port, struct switchdev_trans *trans, struct net_device *orig_dev, @@ -933,6 +952,11 @@ static int mlxsw_sp_port_attr_set(struct net_device *dev, attr->orig_dev, attr->u.vlan_filtering); break; + case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_PROTOCOL: + err = mlxsw_sp_port_attr_br_vlan_proto_set(mlxsw_sp_port, trans, + attr->orig_dev, + attr->u.vlan_protocol); + break; case SWITCHDEV_ATTR_ID_PORT_MROUTER: err = mlxsw_sp_port_attr_mrouter_set(mlxsw_sp_port, trans, attr->orig_dev, |