diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 151 |
1 files changed, 132 insertions, 19 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 6501ce94ace5..cea42f6ed89b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -41,6 +41,7 @@ struct mlxsw_sp_bridge { DECLARE_BITMAP(mids_bitmap, MLXSW_SP_MID_MAX); const struct mlxsw_sp_bridge_ops *bridge_8021q_ops; const struct mlxsw_sp_bridge_ops *bridge_8021d_ops; + const struct mlxsw_sp_bridge_ops *bridge_8021ad_ops; }; struct mlxsw_sp_bridge_device { @@ -228,8 +229,14 @@ mlxsw_sp_bridge_device_create(struct mlxsw_sp_bridge *bridge, bridge_device->mrouter = br_multicast_router(br_dev); INIT_LIST_HEAD(&bridge_device->ports_list); if (vlan_enabled) { + u16 proto; + bridge->vlan_enabled_exists = true; - bridge_device->ops = bridge->bridge_8021q_ops; + br_vlan_get_proto(br_dev, &proto); + if (proto == ETH_P_8021AD) + bridge_device->ops = bridge->bridge_8021ad_ops; + else + bridge_device->ops = bridge->bridge_8021q_ops; } else { bridge_device->ops = bridge->bridge_8021d_ops; } @@ -757,6 +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, @@ -926,6 +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, @@ -1129,6 +1160,7 @@ mlxsw_sp_bridge_port_vlan_add(struct mlxsw_sp_port *mlxsw_sp_port, u16 pvid = mlxsw_sp_port_pvid_determine(mlxsw_sp_port, vid, is_pvid); struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; u16 old_pvid = mlxsw_sp_port->pvid; + u16 proto; int err; /* The only valid scenario in which a port-vlan already exists, is if @@ -1152,7 +1184,8 @@ mlxsw_sp_bridge_port_vlan_add(struct mlxsw_sp_port *mlxsw_sp_port, if (err) goto err_port_vlan_set; - err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid); + br_vlan_get_proto(bridge_port->bridge_device->dev, &proto); + err = mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid, proto); if (err) goto err_port_pvid_set; @@ -1164,7 +1197,7 @@ mlxsw_sp_bridge_port_vlan_add(struct mlxsw_sp_port *mlxsw_sp_port, return 0; err_port_vlan_bridge_join: - mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid); + mlxsw_sp_port_pvid_set(mlxsw_sp_port, old_pvid, proto); err_port_pvid_set: mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); err_port_vlan_set: @@ -1821,13 +1854,15 @@ mlxsw_sp_bridge_port_vlan_del(struct mlxsw_sp_port *mlxsw_sp_port, { u16 pvid = mlxsw_sp_port->pvid == vid ? 0 : mlxsw_sp_port->pvid; struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan; + u16 proto; mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid); if (WARN_ON(!mlxsw_sp_port_vlan)) return; mlxsw_sp_port_vlan_bridge_leave(mlxsw_sp_port_vlan); - mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid); + br_vlan_get_proto(bridge_port->bridge_device->dev, &proto); + mlxsw_sp_port_pvid_set(mlxsw_sp_port, pvid, proto); mlxsw_sp_port_vlan_set(mlxsw_sp_port, vid, vid, false, false); mlxsw_sp_port_vlan_destroy(mlxsw_sp_port_vlan); } @@ -1975,10 +2010,9 @@ static struct mlxsw_sp_port *mlxsw_sp_lag_rep_port(struct mlxsw_sp *mlxsw_sp, } static int -mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device, - struct mlxsw_sp_bridge_port *bridge_port, - struct mlxsw_sp_port *mlxsw_sp_port, - struct netlink_ext_ack *extack) +mlxsw_sp_bridge_vlan_aware_port_join(struct mlxsw_sp_bridge_port *bridge_port, + struct mlxsw_sp_port *mlxsw_sp_port, + struct netlink_ext_ack *extack) { if (is_vlan_dev(bridge_port->dev)) { NL_SET_ERR_MSG_MOD(extack, "Can not enslave a VLAN device to a VLAN-aware bridge"); @@ -1992,19 +2026,37 @@ mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device, return 0; } +static int +mlxsw_sp_bridge_8021q_port_join(struct mlxsw_sp_bridge_device *bridge_device, + struct mlxsw_sp_bridge_port *bridge_port, + struct mlxsw_sp_port *mlxsw_sp_port, + struct netlink_ext_ack *extack) +{ + return mlxsw_sp_bridge_vlan_aware_port_join(bridge_port, mlxsw_sp_port, + extack); +} + +static void +mlxsw_sp_bridge_vlan_aware_port_leave(struct mlxsw_sp_port *mlxsw_sp_port) +{ + /* Make sure untagged frames are allowed to ingress */ + mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID, + ETH_P_8021Q); +} + static void mlxsw_sp_bridge_8021q_port_leave(struct mlxsw_sp_bridge_device *bridge_device, struct mlxsw_sp_bridge_port *bridge_port, struct mlxsw_sp_port *mlxsw_sp_port) { - /* Make sure untagged frames are allowed to ingress */ - mlxsw_sp_port_pvid_set(mlxsw_sp_port, MLXSW_SP_DEFAULT_VID); + mlxsw_sp_bridge_vlan_aware_port_leave(mlxsw_sp_port); } static int -mlxsw_sp_bridge_8021q_vxlan_join(struct mlxsw_sp_bridge_device *bridge_device, - const struct net_device *vxlan_dev, u16 vid, - struct netlink_ext_ack *extack) +mlxsw_sp_bridge_vlan_aware_vxlan_join(struct mlxsw_sp_bridge_device *bridge_device, + const struct net_device *vxlan_dev, + u16 vid, u16 ethertype, + struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(bridge_device->dev); struct vxlan_dev *vxlan = netdev_priv(vxlan_dev); @@ -2012,6 +2064,7 @@ mlxsw_sp_bridge_8021q_vxlan_join(struct mlxsw_sp_bridge_device *bridge_device, .type = MLXSW_SP_NVE_TYPE_VXLAN, .vni = vxlan->cfg.vni, .dev = vxlan_dev, + .ethertype = ethertype, }; struct mlxsw_sp_fid *fid; int err; @@ -2050,6 +2103,15 @@ err_vni_exists: return err; } +static int +mlxsw_sp_bridge_8021q_vxlan_join(struct mlxsw_sp_bridge_device *bridge_device, + const struct net_device *vxlan_dev, u16 vid, + struct netlink_ext_ack *extack) +{ + return mlxsw_sp_bridge_vlan_aware_vxlan_join(bridge_device, vxlan_dev, + vid, ETH_P_8021Q, extack); +} + static struct net_device * mlxsw_sp_bridge_8021q_vxlan_dev_find(struct net_device *br_dev, u16 vid) { @@ -2180,6 +2242,7 @@ mlxsw_sp_bridge_8021d_vxlan_join(struct mlxsw_sp_bridge_device *bridge_device, .type = MLXSW_SP_NVE_TYPE_VXLAN, .vni = vxlan->cfg.vni, .dev = vxlan_dev, + .ethertype = ETH_P_8021Q, }; struct mlxsw_sp_fid *fid; int err; @@ -2246,6 +2309,57 @@ static const struct mlxsw_sp_bridge_ops mlxsw_sp_bridge_8021d_ops = { .fid_vid = mlxsw_sp_bridge_8021d_fid_vid, }; +static int +mlxsw_sp_bridge_8021ad_port_join(struct mlxsw_sp_bridge_device *bridge_device, + struct mlxsw_sp_bridge_port *bridge_port, + struct mlxsw_sp_port *mlxsw_sp_port, + struct netlink_ext_ack *extack) +{ + int err; + + err = mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, true, false); + if (err) + return err; + + err = mlxsw_sp_bridge_vlan_aware_port_join(bridge_port, mlxsw_sp_port, + extack); + if (err) + goto err_bridge_vlan_aware_port_join; + + return 0; + +err_bridge_vlan_aware_port_join: + mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, false, true); + return err; +} + +static void +mlxsw_sp_bridge_8021ad_port_leave(struct mlxsw_sp_bridge_device *bridge_device, + struct mlxsw_sp_bridge_port *bridge_port, + struct mlxsw_sp_port *mlxsw_sp_port) +{ + mlxsw_sp_bridge_vlan_aware_port_leave(mlxsw_sp_port); + mlxsw_sp_port_vlan_classification_set(mlxsw_sp_port, false, true); +} + +static int +mlxsw_sp_bridge_8021ad_vxlan_join(struct mlxsw_sp_bridge_device *bridge_device, + const struct net_device *vxlan_dev, u16 vid, + struct netlink_ext_ack *extack) +{ + return mlxsw_sp_bridge_vlan_aware_vxlan_join(bridge_device, vxlan_dev, + vid, ETH_P_8021AD, extack); +} + +static const struct mlxsw_sp_bridge_ops mlxsw_sp_bridge_8021ad_ops = { + .port_join = mlxsw_sp_bridge_8021ad_port_join, + .port_leave = mlxsw_sp_bridge_8021ad_port_leave, + .vxlan_join = mlxsw_sp_bridge_8021ad_vxlan_join, + .fid_get = mlxsw_sp_bridge_8021q_fid_get, + .fid_lookup = mlxsw_sp_bridge_8021q_fid_lookup, + .fid_vid = mlxsw_sp_bridge_8021q_fid_vid, +}; + int mlxsw_sp_port_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port, struct net_device *brport_dev, struct net_device *br_dev, @@ -3206,8 +3320,8 @@ mlxsw_sp_switchdev_vxlan_vlan_add(struct mlxsw_sp *mlxsw_sp, if (!fid) { if (!flag_untagged || !flag_pvid) return 0; - return mlxsw_sp_bridge_8021q_vxlan_join(bridge_device, - vxlan_dev, vid, extack); + return bridge_device->ops->vxlan_join(bridge_device, vxlan_dev, + vid, extack); } /* Second case: FID is associated with the VNI and the VLAN associated @@ -3246,16 +3360,14 @@ mlxsw_sp_switchdev_vxlan_vlan_add(struct mlxsw_sp *mlxsw_sp, if (!flag_untagged) return 0; - err = mlxsw_sp_bridge_8021q_vxlan_join(bridge_device, vxlan_dev, vid, - extack); + err = bridge_device->ops->vxlan_join(bridge_device, vxlan_dev, vid, extack); if (err) goto err_vxlan_join; return 0; err_vxlan_join: - mlxsw_sp_bridge_8021q_vxlan_join(bridge_device, vxlan_dev, old_vid, - NULL); + bridge_device->ops->vxlan_join(bridge_device, vxlan_dev, old_vid, NULL); return err; } @@ -3507,6 +3619,7 @@ int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) bridge->bridge_8021q_ops = &mlxsw_sp_bridge_8021q_ops; bridge->bridge_8021d_ops = &mlxsw_sp_bridge_8021d_ops; + bridge->bridge_8021ad_ops = &mlxsw_sp_bridge_8021ad_ops; return mlxsw_sp_fdb_init(mlxsw_sp); } |