diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 65 |
1 files changed, 63 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 4b4584f8522a..7b8548e25ae7 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -80,7 +80,8 @@ struct mlxsw_sp_bridge_device { struct list_head ports_list; struct list_head mids_list; u8 vlan_enabled:1, - multicast_enabled:1; + multicast_enabled:1, + mrouter:1; const struct mlxsw_sp_bridge_ops *ops; }; @@ -171,6 +172,7 @@ mlxsw_sp_bridge_device_create(struct mlxsw_sp_bridge *bridge, bridge_device->dev = br_dev; bridge_device->vlan_enabled = vlan_enabled; bridge_device->multicast_enabled = br_multicast_enabled(br_dev); + bridge_device->mrouter = br_multicast_router(br_dev); INIT_LIST_HEAD(&bridge_device->ports_list); if (vlan_enabled) { bridge->vlan_enabled_exists = true; @@ -813,6 +815,60 @@ static int mlxsw_sp_port_mc_disabled_set(struct mlxsw_sp_port *mlxsw_sp_port, return 0; } +static int mlxsw_sp_smid_router_port_set(struct mlxsw_sp *mlxsw_sp, + u16 mid_idx, bool add) +{ + char *smid_pl; + int err; + + smid_pl = kmalloc(MLXSW_REG_SMID_LEN, GFP_KERNEL); + if (!smid_pl) + return -ENOMEM; + + mlxsw_reg_smid_pack(smid_pl, mid_idx, + mlxsw_sp_router_port(mlxsw_sp), add); + err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(smid), smid_pl); + kfree(smid_pl); + return err; +} + +static void +mlxsw_sp_bridge_mrouter_update_mdb(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_bridge_device *bridge_device, + bool add) +{ + struct mlxsw_sp_mid *mid; + + list_for_each_entry(mid, &bridge_device->mids_list, list) + mlxsw_sp_smid_router_port_set(mlxsw_sp, mid->mid, add); +} + +static int +mlxsw_sp_port_attr_br_mrouter_set(struct mlxsw_sp_port *mlxsw_sp_port, + struct switchdev_trans *trans, + struct net_device *orig_dev, + bool is_mrouter) +{ + 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; + + /* It's possible we failed to enslave the port, yet this + * operation is executed due to it being deferred. + */ + bridge_device = mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, orig_dev); + if (!bridge_device) + return 0; + + if (bridge_device->mrouter != is_mrouter) + mlxsw_sp_bridge_mrouter_update_mdb(mlxsw_sp, bridge_device, + is_mrouter); + bridge_device->mrouter = is_mrouter; + return 0; +} + static int mlxsw_sp_port_attr_set(struct net_device *dev, const struct switchdev_attr *attr, struct switchdev_trans *trans) @@ -850,6 +906,11 @@ static int mlxsw_sp_port_attr_set(struct net_device *dev, attr->orig_dev, attr->u.mc_disabled); break; + case SWITCHDEV_ATTR_ID_BRIDGE_MROUTER: + err = mlxsw_sp_port_attr_br_mrouter_set(mlxsw_sp_port, trans, + attr->orig_dev, + attr->u.mrouter); + break; default: err = -EOPNOTSUPP; break; @@ -1373,7 +1434,7 @@ mlxsw_sp_mc_write_mdb_entry(struct mlxsw_sp *mlxsw_sp, mid->mid = mid_idx; err = mlxsw_sp_port_smid_full_entry(mlxsw_sp, mid_idx, flood_bitmap, - false); + bridge_device->mrouter); kfree(flood_bitmap); if (err) return false; |