119e9bfa0SVlad Buslov // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB 219e9bfa0SVlad Buslov /* Copyright (c) 2021 Mellanox Technologies. */ 319e9bfa0SVlad Buslov 419e9bfa0SVlad Buslov #include <linux/netdevice.h> 5c636a0f0SVlad Buslov #include <linux/if_bridge.h> 619e9bfa0SVlad Buslov #include <net/netevent.h> 719e9bfa0SVlad Buslov #include <net/switchdev.h> 819e9bfa0SVlad Buslov #include "bridge.h" 919e9bfa0SVlad Buslov #include "esw/bridge.h" 1019e9bfa0SVlad Buslov #include "en_rep.h" 1119e9bfa0SVlad Buslov 12c636a0f0SVlad Buslov #define MLX5_ESW_BRIDGE_UPDATE_INTERVAL 1000 13c636a0f0SVlad Buslov 147cd6a54aSVlad Buslov struct mlx5_bridge_switchdev_fdb_work { 157cd6a54aSVlad Buslov struct work_struct work; 167cd6a54aSVlad Buslov struct switchdev_notifier_fdb_info fdb_info; 177cd6a54aSVlad Buslov struct net_device *dev; 18c358ea17SVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads; 197cd6a54aSVlad Buslov bool add; 207cd6a54aSVlad Buslov }; 217cd6a54aSVlad Buslov 223ee6233eSVlad Buslov static bool mlx5_esw_bridge_dev_same_esw(struct net_device *dev, struct mlx5_eswitch *esw) 233ee6233eSVlad Buslov { 243ee6233eSVlad Buslov struct mlx5e_priv *priv = netdev_priv(dev); 253ee6233eSVlad Buslov 263ee6233eSVlad Buslov return esw == priv->mdev->priv.eswitch; 273ee6233eSVlad Buslov } 283ee6233eSVlad Buslov 29c358ea17SVlad Buslov static bool mlx5_esw_bridge_dev_same_hw(struct net_device *dev, struct mlx5_eswitch *esw) 30c358ea17SVlad Buslov { 31c358ea17SVlad Buslov struct mlx5e_priv *priv = netdev_priv(dev); 32c358ea17SVlad Buslov struct mlx5_core_dev *mdev, *esw_mdev; 33c358ea17SVlad Buslov u64 system_guid, esw_system_guid; 34c358ea17SVlad Buslov 35c358ea17SVlad Buslov mdev = priv->mdev; 36c358ea17SVlad Buslov esw_mdev = esw->dev; 37c358ea17SVlad Buslov 38c358ea17SVlad Buslov system_guid = mlx5_query_nic_system_image_guid(mdev); 39c358ea17SVlad Buslov esw_system_guid = mlx5_query_nic_system_image_guid(esw_mdev); 40c358ea17SVlad Buslov 41c358ea17SVlad Buslov return system_guid == esw_system_guid; 42c358ea17SVlad Buslov } 43c358ea17SVlad Buslov 44ff9b7521SVlad Buslov static struct net_device * 45ff9b7521SVlad Buslov mlx5_esw_bridge_lag_rep_get(struct net_device *dev, struct mlx5_eswitch *esw) 46ff9b7521SVlad Buslov { 47ff9b7521SVlad Buslov struct net_device *lower; 48ff9b7521SVlad Buslov struct list_head *iter; 49ff9b7521SVlad Buslov 50ff9b7521SVlad Buslov netdev_for_each_lower_dev(dev, lower, iter) { 51ff9b7521SVlad Buslov struct mlx5_core_dev *mdev; 52ff9b7521SVlad Buslov struct mlx5e_priv *priv; 53ff9b7521SVlad Buslov 54ff9b7521SVlad Buslov if (!mlx5e_eswitch_rep(lower)) 55ff9b7521SVlad Buslov continue; 56ff9b7521SVlad Buslov 57ff9b7521SVlad Buslov priv = netdev_priv(lower); 58ff9b7521SVlad Buslov mdev = priv->mdev; 59ff9b7521SVlad Buslov if (mlx5_lag_is_shared_fdb(mdev) && mlx5_esw_bridge_dev_same_esw(lower, esw)) 60ff9b7521SVlad Buslov return lower; 61ff9b7521SVlad Buslov } 62ff9b7521SVlad Buslov 63ff9b7521SVlad Buslov return NULL; 64ff9b7521SVlad Buslov } 65ff9b7521SVlad Buslov 66ff9b7521SVlad Buslov static struct net_device * 67ff9b7521SVlad Buslov mlx5_esw_bridge_rep_vport_num_vhca_id_get(struct net_device *dev, struct mlx5_eswitch *esw, 683ee6233eSVlad Buslov u16 *vport_num, u16 *esw_owner_vhca_id) 693ee6233eSVlad Buslov { 703ee6233eSVlad Buslov struct mlx5e_rep_priv *rpriv; 713ee6233eSVlad Buslov struct mlx5e_priv *priv; 723ee6233eSVlad Buslov 73ff9b7521SVlad Buslov if (netif_is_lag_master(dev)) 74ff9b7521SVlad Buslov dev = mlx5_esw_bridge_lag_rep_get(dev, esw); 75ff9b7521SVlad Buslov 76ff9b7521SVlad Buslov if (!dev || !mlx5e_eswitch_rep(dev) || !mlx5_esw_bridge_dev_same_hw(dev, esw)) 77ff9b7521SVlad Buslov return NULL; 783ee6233eSVlad Buslov 793ee6233eSVlad Buslov priv = netdev_priv(dev); 803ee6233eSVlad Buslov rpriv = priv->ppriv; 813ee6233eSVlad Buslov *vport_num = rpriv->rep->vport; 823ee6233eSVlad Buslov *esw_owner_vhca_id = MLX5_CAP_GEN(priv->mdev, vhca_id); 83ff9b7521SVlad Buslov return dev; 843ee6233eSVlad Buslov } 853ee6233eSVlad Buslov 86ff9b7521SVlad Buslov static struct net_device * 873ee6233eSVlad Buslov mlx5_esw_bridge_lower_rep_vport_num_vhca_id_get(struct net_device *dev, struct mlx5_eswitch *esw, 883ee6233eSVlad Buslov u16 *vport_num, u16 *esw_owner_vhca_id) 893ee6233eSVlad Buslov { 903ee6233eSVlad Buslov struct net_device *lower_dev; 913ee6233eSVlad Buslov struct list_head *iter; 923ee6233eSVlad Buslov 93ff9b7521SVlad Buslov if (netif_is_lag_master(dev) || mlx5e_eswitch_rep(dev)) 94ff9b7521SVlad Buslov return mlx5_esw_bridge_rep_vport_num_vhca_id_get(dev, esw, vport_num, 953ee6233eSVlad Buslov esw_owner_vhca_id); 963ee6233eSVlad Buslov 973ee6233eSVlad Buslov netdev_for_each_lower_dev(dev, lower_dev, iter) { 98ff9b7521SVlad Buslov struct net_device *rep; 993ee6233eSVlad Buslov 1003ee6233eSVlad Buslov if (netif_is_bridge_master(lower_dev)) 1013ee6233eSVlad Buslov continue; 1023ee6233eSVlad Buslov 103ff9b7521SVlad Buslov rep = mlx5_esw_bridge_lower_rep_vport_num_vhca_id_get(lower_dev, esw, vport_num, 1043ee6233eSVlad Buslov esw_owner_vhca_id); 105ff9b7521SVlad Buslov if (rep) 106ff9b7521SVlad Buslov return rep; 1073ee6233eSVlad Buslov } 1083ee6233eSVlad Buslov 109ff9b7521SVlad Buslov return NULL; 110ff9b7521SVlad Buslov } 111ff9b7521SVlad Buslov 112ff9b7521SVlad Buslov static bool mlx5_esw_bridge_is_local(struct net_device *dev, struct net_device *rep, 113ff9b7521SVlad Buslov struct mlx5_eswitch *esw) 114ff9b7521SVlad Buslov { 115ff9b7521SVlad Buslov struct mlx5_core_dev *mdev; 116ff9b7521SVlad Buslov struct mlx5e_priv *priv; 117ff9b7521SVlad Buslov 118ff9b7521SVlad Buslov if (!mlx5_esw_bridge_dev_same_esw(rep, esw)) 119ff9b7521SVlad Buslov return false; 120ff9b7521SVlad Buslov 121ff9b7521SVlad Buslov priv = netdev_priv(rep); 122ff9b7521SVlad Buslov mdev = priv->mdev; 123ff9b7521SVlad Buslov if (netif_is_lag_master(dev)) 124ff9b7521SVlad Buslov return mlx5_lag_is_shared_fdb(mdev) && mlx5_lag_is_master(mdev); 125ff9b7521SVlad Buslov return true; 1263ee6233eSVlad Buslov } 1273ee6233eSVlad Buslov 12819e9bfa0SVlad Buslov static int mlx5_esw_bridge_port_changeupper(struct notifier_block *nb, void *ptr) 12919e9bfa0SVlad Buslov { 13019e9bfa0SVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads = container_of(nb, 13119e9bfa0SVlad Buslov struct mlx5_esw_bridge_offloads, 13219e9bfa0SVlad Buslov netdev_nb); 13319e9bfa0SVlad Buslov struct net_device *dev = netdev_notifier_info_to_dev(ptr); 13419e9bfa0SVlad Buslov struct netdev_notifier_changeupper_info *info = ptr; 135ff9b7521SVlad Buslov struct net_device *upper = info->upper_dev, *rep; 136c358ea17SVlad Buslov struct mlx5_eswitch *esw = br_offloads->esw; 1373ee6233eSVlad Buslov u16 vport_num, esw_owner_vhca_id; 13819e9bfa0SVlad Buslov struct netlink_ext_ack *extack; 1393ee6233eSVlad Buslov int ifindex = upper->ifindex; 1408343268eSVlad Buslov int err = 0; 14119e9bfa0SVlad Buslov 14219e9bfa0SVlad Buslov if (!netif_is_bridge_master(upper)) 14319e9bfa0SVlad Buslov return 0; 14419e9bfa0SVlad Buslov 145ff9b7521SVlad Buslov rep = mlx5_esw_bridge_rep_vport_num_vhca_id_get(dev, esw, &vport_num, &esw_owner_vhca_id); 146ff9b7521SVlad Buslov if (!rep) 14719e9bfa0SVlad Buslov return 0; 14819e9bfa0SVlad Buslov 14919e9bfa0SVlad Buslov extack = netdev_notifier_info_to_extack(&info->info); 15019e9bfa0SVlad Buslov 151ff9b7521SVlad Buslov if (mlx5_esw_bridge_is_local(dev, rep, esw)) 152c358ea17SVlad Buslov err = info->linking ? 153c358ea17SVlad Buslov mlx5_esw_bridge_vport_link(ifindex, vport_num, esw_owner_vhca_id, 154c358ea17SVlad Buslov br_offloads, extack) : 155c358ea17SVlad Buslov mlx5_esw_bridge_vport_unlink(ifindex, vport_num, esw_owner_vhca_id, 156c358ea17SVlad Buslov br_offloads, extack); 157ff9b7521SVlad Buslov else if (mlx5_esw_bridge_dev_same_hw(rep, esw)) 158c358ea17SVlad Buslov err = info->linking ? 159c358ea17SVlad Buslov mlx5_esw_bridge_vport_peer_link(ifindex, vport_num, esw_owner_vhca_id, 160c358ea17SVlad Buslov br_offloads, extack) : 161c358ea17SVlad Buslov mlx5_esw_bridge_vport_peer_unlink(ifindex, vport_num, esw_owner_vhca_id, 162c358ea17SVlad Buslov br_offloads, extack); 163c358ea17SVlad Buslov 164c358ea17SVlad Buslov return err; 16519e9bfa0SVlad Buslov } 16619e9bfa0SVlad Buslov 16719e9bfa0SVlad Buslov static int mlx5_esw_bridge_switchdev_port_event(struct notifier_block *nb, 16819e9bfa0SVlad Buslov unsigned long event, void *ptr) 16919e9bfa0SVlad Buslov { 17019e9bfa0SVlad Buslov int err = 0; 17119e9bfa0SVlad Buslov 17219e9bfa0SVlad Buslov switch (event) { 17319e9bfa0SVlad Buslov case NETDEV_PRECHANGEUPPER: 17419e9bfa0SVlad Buslov break; 17519e9bfa0SVlad Buslov 17619e9bfa0SVlad Buslov case NETDEV_CHANGEUPPER: 17719e9bfa0SVlad Buslov err = mlx5_esw_bridge_port_changeupper(nb, ptr); 17819e9bfa0SVlad Buslov break; 17919e9bfa0SVlad Buslov } 18019e9bfa0SVlad Buslov 18119e9bfa0SVlad Buslov return notifier_from_errno(err); 18219e9bfa0SVlad Buslov } 18319e9bfa0SVlad Buslov 1843ee6233eSVlad Buslov static int 1853ee6233eSVlad Buslov mlx5_esw_bridge_port_obj_add(struct net_device *dev, 1863ee6233eSVlad Buslov struct switchdev_notifier_port_obj_info *port_obj_info, 1873ee6233eSVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads) 188d75b9e80SVlad Buslov { 1893ee6233eSVlad Buslov struct netlink_ext_ack *extack = switchdev_notifier_info_to_extack(&port_obj_info->info); 1903ee6233eSVlad Buslov const struct switchdev_obj *obj = port_obj_info->obj; 191d75b9e80SVlad Buslov const struct switchdev_obj_port_vlan *vlan; 1923ee6233eSVlad Buslov u16 vport_num, esw_owner_vhca_id; 1933ee6233eSVlad Buslov int err; 194d75b9e80SVlad Buslov 195ff9b7521SVlad Buslov if (!mlx5_esw_bridge_rep_vport_num_vhca_id_get(dev, br_offloads->esw, &vport_num, 196ff9b7521SVlad Buslov &esw_owner_vhca_id)) 1973ee6233eSVlad Buslov return 0; 1983ee6233eSVlad Buslov 1993ee6233eSVlad Buslov port_obj_info->handled = true; 200d75b9e80SVlad Buslov 201d75b9e80SVlad Buslov switch (obj->id) { 202d75b9e80SVlad Buslov case SWITCHDEV_OBJ_ID_PORT_VLAN: 203d75b9e80SVlad Buslov vlan = SWITCHDEV_OBJ_PORT_VLAN(obj); 2043ee6233eSVlad Buslov err = mlx5_esw_bridge_port_vlan_add(vport_num, esw_owner_vhca_id, vlan->vid, 2053ee6233eSVlad Buslov vlan->flags, br_offloads, extack); 206d75b9e80SVlad Buslov break; 207d75b9e80SVlad Buslov default: 208d75b9e80SVlad Buslov return -EOPNOTSUPP; 209d75b9e80SVlad Buslov } 210d75b9e80SVlad Buslov return err; 211d75b9e80SVlad Buslov } 212d75b9e80SVlad Buslov 2133ee6233eSVlad Buslov static int 2143ee6233eSVlad Buslov mlx5_esw_bridge_port_obj_del(struct net_device *dev, 2153ee6233eSVlad Buslov struct switchdev_notifier_port_obj_info *port_obj_info, 2163ee6233eSVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads) 217d75b9e80SVlad Buslov { 2183ee6233eSVlad Buslov const struct switchdev_obj *obj = port_obj_info->obj; 219d75b9e80SVlad Buslov const struct switchdev_obj_port_vlan *vlan; 2203ee6233eSVlad Buslov u16 vport_num, esw_owner_vhca_id; 221d75b9e80SVlad Buslov 222ff9b7521SVlad Buslov if (!mlx5_esw_bridge_rep_vport_num_vhca_id_get(dev, br_offloads->esw, &vport_num, 223ff9b7521SVlad Buslov &esw_owner_vhca_id)) 2243ee6233eSVlad Buslov return 0; 2253ee6233eSVlad Buslov 2263ee6233eSVlad Buslov port_obj_info->handled = true; 227d75b9e80SVlad Buslov 228d75b9e80SVlad Buslov switch (obj->id) { 229d75b9e80SVlad Buslov case SWITCHDEV_OBJ_ID_PORT_VLAN: 230d75b9e80SVlad Buslov vlan = SWITCHDEV_OBJ_PORT_VLAN(obj); 2313ee6233eSVlad Buslov mlx5_esw_bridge_port_vlan_del(vport_num, esw_owner_vhca_id, vlan->vid, br_offloads); 232d75b9e80SVlad Buslov break; 233d75b9e80SVlad Buslov default: 234d75b9e80SVlad Buslov return -EOPNOTSUPP; 235d75b9e80SVlad Buslov } 236d75b9e80SVlad Buslov return 0; 237d75b9e80SVlad Buslov } 238d75b9e80SVlad Buslov 2393ee6233eSVlad Buslov static int 2403ee6233eSVlad Buslov mlx5_esw_bridge_port_obj_attr_set(struct net_device *dev, 2413ee6233eSVlad Buslov struct switchdev_notifier_port_attr_info *port_attr_info, 2423ee6233eSVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads) 243c636a0f0SVlad Buslov { 2443ee6233eSVlad Buslov struct netlink_ext_ack *extack = switchdev_notifier_info_to_extack(&port_attr_info->info); 2453ee6233eSVlad Buslov const struct switchdev_attr *attr = port_attr_info->attr; 2463ee6233eSVlad Buslov u16 vport_num, esw_owner_vhca_id; 2478343268eSVlad Buslov int err = 0; 248c636a0f0SVlad Buslov 249ff9b7521SVlad Buslov if (!mlx5_esw_bridge_lower_rep_vport_num_vhca_id_get(dev, br_offloads->esw, &vport_num, 250ff9b7521SVlad Buslov &esw_owner_vhca_id)) 2513ee6233eSVlad Buslov return 0; 2523ee6233eSVlad Buslov 2533ee6233eSVlad Buslov port_attr_info->handled = true; 254c636a0f0SVlad Buslov 255c636a0f0SVlad Buslov switch (attr->id) { 256c636a0f0SVlad Buslov case SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS: 257c636a0f0SVlad Buslov if (attr->u.brport_flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD)) { 258c636a0f0SVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Flag is not supported"); 259c636a0f0SVlad Buslov err = -EINVAL; 260c636a0f0SVlad Buslov } 261c636a0f0SVlad Buslov break; 262c636a0f0SVlad Buslov case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: 263c636a0f0SVlad Buslov break; 264c636a0f0SVlad Buslov case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME: 2653ee6233eSVlad Buslov err = mlx5_esw_bridge_ageing_time_set(vport_num, esw_owner_vhca_id, 2663ee6233eSVlad Buslov attr->u.ageing_time, br_offloads); 267c636a0f0SVlad Buslov break; 268d75b9e80SVlad Buslov case SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING: 2693ee6233eSVlad Buslov err = mlx5_esw_bridge_vlan_filtering_set(vport_num, esw_owner_vhca_id, 2703ee6233eSVlad Buslov attr->u.vlan_filtering, br_offloads); 271d75b9e80SVlad Buslov break; 272c636a0f0SVlad Buslov default: 273c636a0f0SVlad Buslov err = -EOPNOTSUPP; 274c636a0f0SVlad Buslov } 275c636a0f0SVlad Buslov 276c636a0f0SVlad Buslov return err; 277c636a0f0SVlad Buslov } 278c636a0f0SVlad Buslov 2793ee6233eSVlad Buslov static int mlx5_esw_bridge_event_blocking(struct notifier_block *nb, 280c636a0f0SVlad Buslov unsigned long event, void *ptr) 281c636a0f0SVlad Buslov { 2823ee6233eSVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads = container_of(nb, 2833ee6233eSVlad Buslov struct mlx5_esw_bridge_offloads, 2843ee6233eSVlad Buslov nb_blk); 285c636a0f0SVlad Buslov struct net_device *dev = switchdev_notifier_info_to_dev(ptr); 286c636a0f0SVlad Buslov int err; 287c636a0f0SVlad Buslov 288c636a0f0SVlad Buslov switch (event) { 289d75b9e80SVlad Buslov case SWITCHDEV_PORT_OBJ_ADD: 2903ee6233eSVlad Buslov err = mlx5_esw_bridge_port_obj_add(dev, ptr, br_offloads); 291d75b9e80SVlad Buslov break; 292d75b9e80SVlad Buslov case SWITCHDEV_PORT_OBJ_DEL: 2933ee6233eSVlad Buslov err = mlx5_esw_bridge_port_obj_del(dev, ptr, br_offloads); 294d75b9e80SVlad Buslov break; 295c636a0f0SVlad Buslov case SWITCHDEV_PORT_ATTR_SET: 2963ee6233eSVlad Buslov err = mlx5_esw_bridge_port_obj_attr_set(dev, ptr, br_offloads); 297c636a0f0SVlad Buslov break; 298c636a0f0SVlad Buslov default: 299c636a0f0SVlad Buslov err = 0; 300c636a0f0SVlad Buslov } 301c636a0f0SVlad Buslov 302c636a0f0SVlad Buslov return notifier_from_errno(err); 303c636a0f0SVlad Buslov } 304c636a0f0SVlad Buslov 3057cd6a54aSVlad Buslov static void 3067cd6a54aSVlad Buslov mlx5_esw_bridge_cleanup_switchdev_fdb_work(struct mlx5_bridge_switchdev_fdb_work *fdb_work) 3077cd6a54aSVlad Buslov { 3087cd6a54aSVlad Buslov dev_put(fdb_work->dev); 3097cd6a54aSVlad Buslov kfree(fdb_work->fdb_info.addr); 3107cd6a54aSVlad Buslov kfree(fdb_work); 3117cd6a54aSVlad Buslov } 3127cd6a54aSVlad Buslov 3137cd6a54aSVlad Buslov static void mlx5_esw_bridge_switchdev_fdb_event_work(struct work_struct *work) 3147cd6a54aSVlad Buslov { 3157cd6a54aSVlad Buslov struct mlx5_bridge_switchdev_fdb_work *fdb_work = 3167cd6a54aSVlad Buslov container_of(work, struct mlx5_bridge_switchdev_fdb_work, work); 3177cd6a54aSVlad Buslov struct switchdev_notifier_fdb_info *fdb_info = 3187cd6a54aSVlad Buslov &fdb_work->fdb_info; 319c358ea17SVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads = 320c358ea17SVlad Buslov fdb_work->br_offloads; 3217cd6a54aSVlad Buslov struct net_device *dev = fdb_work->dev; 3223ee6233eSVlad Buslov u16 vport_num, esw_owner_vhca_id; 3237cd6a54aSVlad Buslov 3247cd6a54aSVlad Buslov rtnl_lock(); 3257cd6a54aSVlad Buslov 326ff9b7521SVlad Buslov if (!mlx5_esw_bridge_rep_vport_num_vhca_id_get(dev, br_offloads->esw, &vport_num, 327ff9b7521SVlad Buslov &esw_owner_vhca_id)) 3287cd6a54aSVlad Buslov goto out; 3297cd6a54aSVlad Buslov 3307cd6a54aSVlad Buslov if (fdb_work->add) 3313ee6233eSVlad Buslov mlx5_esw_bridge_fdb_create(dev, vport_num, esw_owner_vhca_id, br_offloads, 3323ee6233eSVlad Buslov fdb_info); 3337cd6a54aSVlad Buslov else 3343ee6233eSVlad Buslov mlx5_esw_bridge_fdb_remove(dev, vport_num, esw_owner_vhca_id, br_offloads, 3353ee6233eSVlad Buslov fdb_info); 3367cd6a54aSVlad Buslov 3377cd6a54aSVlad Buslov out: 3387cd6a54aSVlad Buslov rtnl_unlock(); 3397cd6a54aSVlad Buslov mlx5_esw_bridge_cleanup_switchdev_fdb_work(fdb_work); 3407cd6a54aSVlad Buslov } 3417cd6a54aSVlad Buslov 3427cd6a54aSVlad Buslov static struct mlx5_bridge_switchdev_fdb_work * 3437cd6a54aSVlad Buslov mlx5_esw_bridge_init_switchdev_fdb_work(struct net_device *dev, bool add, 344c358ea17SVlad Buslov struct switchdev_notifier_fdb_info *fdb_info, 345c358ea17SVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads) 3467cd6a54aSVlad Buslov { 3477cd6a54aSVlad Buslov struct mlx5_bridge_switchdev_fdb_work *work; 3487cd6a54aSVlad Buslov u8 *addr; 3497cd6a54aSVlad Buslov 3507cd6a54aSVlad Buslov work = kzalloc(sizeof(*work), GFP_ATOMIC); 3517cd6a54aSVlad Buslov if (!work) 3527cd6a54aSVlad Buslov return ERR_PTR(-ENOMEM); 3537cd6a54aSVlad Buslov 3547cd6a54aSVlad Buslov INIT_WORK(&work->work, mlx5_esw_bridge_switchdev_fdb_event_work); 3557cd6a54aSVlad Buslov memcpy(&work->fdb_info, fdb_info, sizeof(work->fdb_info)); 3567cd6a54aSVlad Buslov 3577cd6a54aSVlad Buslov addr = kzalloc(ETH_ALEN, GFP_ATOMIC); 3587cd6a54aSVlad Buslov if (!addr) { 3597cd6a54aSVlad Buslov kfree(work); 3607cd6a54aSVlad Buslov return ERR_PTR(-ENOMEM); 3617cd6a54aSVlad Buslov } 3627cd6a54aSVlad Buslov ether_addr_copy(addr, fdb_info->addr); 3637cd6a54aSVlad Buslov work->fdb_info.addr = addr; 3647cd6a54aSVlad Buslov 3657cd6a54aSVlad Buslov dev_hold(dev); 3667cd6a54aSVlad Buslov work->dev = dev; 367c358ea17SVlad Buslov work->br_offloads = br_offloads; 3687cd6a54aSVlad Buslov work->add = add; 3697cd6a54aSVlad Buslov return work; 3707cd6a54aSVlad Buslov } 3717cd6a54aSVlad Buslov 3727cd6a54aSVlad Buslov static int mlx5_esw_bridge_switchdev_event(struct notifier_block *nb, 3737cd6a54aSVlad Buslov unsigned long event, void *ptr) 3747cd6a54aSVlad Buslov { 3757cd6a54aSVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads = container_of(nb, 3767cd6a54aSVlad Buslov struct mlx5_esw_bridge_offloads, 3777cd6a54aSVlad Buslov nb); 3787cd6a54aSVlad Buslov struct net_device *dev = switchdev_notifier_info_to_dev(ptr); 3797cd6a54aSVlad Buslov struct switchdev_notifier_fdb_info *fdb_info; 3807cd6a54aSVlad Buslov struct mlx5_bridge_switchdev_fdb_work *work; 381ff9b7521SVlad Buslov struct mlx5_eswitch *esw = br_offloads->esw; 3827cd6a54aSVlad Buslov struct switchdev_notifier_info *info = ptr; 383ff9b7521SVlad Buslov u16 vport_num, esw_owner_vhca_id; 384ff9b7521SVlad Buslov struct net_device *upper, *rep; 3857cd6a54aSVlad Buslov 386c636a0f0SVlad Buslov if (event == SWITCHDEV_PORT_ATTR_SET) { 3873ee6233eSVlad Buslov int err = mlx5_esw_bridge_port_obj_attr_set(dev, ptr, br_offloads); 3883ee6233eSVlad Buslov 389c636a0f0SVlad Buslov return notifier_from_errno(err); 390c636a0f0SVlad Buslov } 391c636a0f0SVlad Buslov 3927cd6a54aSVlad Buslov upper = netdev_master_upper_dev_get_rcu(dev); 3937cd6a54aSVlad Buslov if (!upper) 3947cd6a54aSVlad Buslov return NOTIFY_DONE; 3957cd6a54aSVlad Buslov if (!netif_is_bridge_master(upper)) 3967cd6a54aSVlad Buslov return NOTIFY_DONE; 3977cd6a54aSVlad Buslov 398ff9b7521SVlad Buslov rep = mlx5_esw_bridge_rep_vport_num_vhca_id_get(dev, esw, &vport_num, &esw_owner_vhca_id); 399ff9b7521SVlad Buslov if (!rep) 4003ee6233eSVlad Buslov return NOTIFY_DONE; 4013ee6233eSVlad Buslov 4027cd6a54aSVlad Buslov switch (event) { 403ff9b7521SVlad Buslov case SWITCHDEV_FDB_ADD_TO_BRIDGE: 404ff9b7521SVlad Buslov /* only handle the event on native eswtich of representor */ 405ff9b7521SVlad Buslov if (!mlx5_esw_bridge_is_local(dev, rep, esw)) 406ff9b7521SVlad Buslov break; 407ff9b7521SVlad Buslov 408ff9b7521SVlad Buslov fdb_info = container_of(info, 409ff9b7521SVlad Buslov struct switchdev_notifier_fdb_info, 410ff9b7521SVlad Buslov info); 411ff9b7521SVlad Buslov mlx5_esw_bridge_fdb_update_used(dev, vport_num, esw_owner_vhca_id, br_offloads, 412ff9b7521SVlad Buslov fdb_info); 413ff9b7521SVlad Buslov break; 414c358ea17SVlad Buslov case SWITCHDEV_FDB_DEL_TO_BRIDGE: 415ff9b7521SVlad Buslov /* only handle the event on peers */ 416ff9b7521SVlad Buslov if (mlx5_esw_bridge_is_local(dev, rep, esw)) 417c358ea17SVlad Buslov break; 418c358ea17SVlad Buslov fallthrough; 4197cd6a54aSVlad Buslov case SWITCHDEV_FDB_ADD_TO_DEVICE: 4207cd6a54aSVlad Buslov case SWITCHDEV_FDB_DEL_TO_DEVICE: 4217cd6a54aSVlad Buslov fdb_info = container_of(info, 4227cd6a54aSVlad Buslov struct switchdev_notifier_fdb_info, 4237cd6a54aSVlad Buslov info); 4247cd6a54aSVlad Buslov 4257cd6a54aSVlad Buslov work = mlx5_esw_bridge_init_switchdev_fdb_work(dev, 4267cd6a54aSVlad Buslov event == SWITCHDEV_FDB_ADD_TO_DEVICE, 427c358ea17SVlad Buslov fdb_info, 428c358ea17SVlad Buslov br_offloads); 4297cd6a54aSVlad Buslov if (IS_ERR(work)) { 4307cd6a54aSVlad Buslov WARN_ONCE(1, "Failed to init switchdev work, err=%ld", 4317cd6a54aSVlad Buslov PTR_ERR(work)); 4327cd6a54aSVlad Buslov return notifier_from_errno(PTR_ERR(work)); 4337cd6a54aSVlad Buslov } 4347cd6a54aSVlad Buslov 4357cd6a54aSVlad Buslov queue_work(br_offloads->wq, &work->work); 4367cd6a54aSVlad Buslov break; 4377cd6a54aSVlad Buslov default: 4387cd6a54aSVlad Buslov break; 4397cd6a54aSVlad Buslov } 4407cd6a54aSVlad Buslov return NOTIFY_DONE; 4417cd6a54aSVlad Buslov } 4427cd6a54aSVlad Buslov 443c636a0f0SVlad Buslov static void mlx5_esw_bridge_update_work(struct work_struct *work) 444c636a0f0SVlad Buslov { 445c636a0f0SVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads = container_of(work, 446c636a0f0SVlad Buslov struct mlx5_esw_bridge_offloads, 447c636a0f0SVlad Buslov update_work.work); 448c636a0f0SVlad Buslov 449c636a0f0SVlad Buslov rtnl_lock(); 450c636a0f0SVlad Buslov mlx5_esw_bridge_update(br_offloads); 451c636a0f0SVlad Buslov rtnl_unlock(); 452c636a0f0SVlad Buslov 453c636a0f0SVlad Buslov queue_delayed_work(br_offloads->wq, &br_offloads->update_work, 454c636a0f0SVlad Buslov msecs_to_jiffies(MLX5_ESW_BRIDGE_UPDATE_INTERVAL)); 455c636a0f0SVlad Buslov } 456c636a0f0SVlad Buslov 45719e9bfa0SVlad Buslov void mlx5e_rep_bridge_init(struct mlx5e_priv *priv) 45819e9bfa0SVlad Buslov { 45919e9bfa0SVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads; 46019e9bfa0SVlad Buslov struct mlx5_core_dev *mdev = priv->mdev; 46119e9bfa0SVlad Buslov struct mlx5_eswitch *esw = 46219e9bfa0SVlad Buslov mdev->priv.eswitch; 46319e9bfa0SVlad Buslov int err; 46419e9bfa0SVlad Buslov 46519e9bfa0SVlad Buslov rtnl_lock(); 46619e9bfa0SVlad Buslov br_offloads = mlx5_esw_bridge_init(esw); 46719e9bfa0SVlad Buslov rtnl_unlock(); 46819e9bfa0SVlad Buslov if (IS_ERR(br_offloads)) { 46919e9bfa0SVlad Buslov esw_warn(mdev, "Failed to init esw bridge (err=%ld)\n", PTR_ERR(br_offloads)); 47019e9bfa0SVlad Buslov return; 47119e9bfa0SVlad Buslov } 47219e9bfa0SVlad Buslov 4737cd6a54aSVlad Buslov br_offloads->wq = alloc_ordered_workqueue("mlx5_bridge_wq", 0); 4747cd6a54aSVlad Buslov if (!br_offloads->wq) { 4757cd6a54aSVlad Buslov esw_warn(mdev, "Failed to allocate bridge offloads workqueue\n"); 4767cd6a54aSVlad Buslov goto err_alloc_wq; 4777cd6a54aSVlad Buslov } 4787cd6a54aSVlad Buslov 4797cd6a54aSVlad Buslov br_offloads->nb.notifier_call = mlx5_esw_bridge_switchdev_event; 4807cd6a54aSVlad Buslov err = register_switchdev_notifier(&br_offloads->nb); 4817cd6a54aSVlad Buslov if (err) { 4827cd6a54aSVlad Buslov esw_warn(mdev, "Failed to register switchdev notifier (err=%d)\n", err); 4837cd6a54aSVlad Buslov goto err_register_swdev; 4847cd6a54aSVlad Buslov } 4857cd6a54aSVlad Buslov 486c636a0f0SVlad Buslov br_offloads->nb_blk.notifier_call = mlx5_esw_bridge_event_blocking; 487c636a0f0SVlad Buslov err = register_switchdev_blocking_notifier(&br_offloads->nb_blk); 488c636a0f0SVlad Buslov if (err) { 489c636a0f0SVlad Buslov esw_warn(mdev, "Failed to register blocking switchdev notifier (err=%d)\n", err); 490c636a0f0SVlad Buslov goto err_register_swdev_blk; 491c636a0f0SVlad Buslov } 492c636a0f0SVlad Buslov 49319e9bfa0SVlad Buslov br_offloads->netdev_nb.notifier_call = mlx5_esw_bridge_switchdev_port_event; 49419e9bfa0SVlad Buslov err = register_netdevice_notifier(&br_offloads->netdev_nb); 49519e9bfa0SVlad Buslov if (err) { 49619e9bfa0SVlad Buslov esw_warn(mdev, "Failed to register bridge offloads netdevice notifier (err=%d)\n", 49719e9bfa0SVlad Buslov err); 4987cd6a54aSVlad Buslov goto err_register_netdev; 49919e9bfa0SVlad Buslov } 500*2266bb1eSShay Drory INIT_DELAYED_WORK(&br_offloads->update_work, mlx5_esw_bridge_update_work); 501*2266bb1eSShay Drory queue_delayed_work(br_offloads->wq, &br_offloads->update_work, 502*2266bb1eSShay Drory msecs_to_jiffies(MLX5_ESW_BRIDGE_UPDATE_INTERVAL)); 5037cd6a54aSVlad Buslov return; 5047cd6a54aSVlad Buslov 5057cd6a54aSVlad Buslov err_register_netdev: 506c636a0f0SVlad Buslov unregister_switchdev_blocking_notifier(&br_offloads->nb_blk); 507c636a0f0SVlad Buslov err_register_swdev_blk: 5087cd6a54aSVlad Buslov unregister_switchdev_notifier(&br_offloads->nb); 5097cd6a54aSVlad Buslov err_register_swdev: 5107cd6a54aSVlad Buslov destroy_workqueue(br_offloads->wq); 5117cd6a54aSVlad Buslov err_alloc_wq: 5127cd6a54aSVlad Buslov mlx5_esw_bridge_cleanup(esw); 51319e9bfa0SVlad Buslov } 51419e9bfa0SVlad Buslov 51519e9bfa0SVlad Buslov void mlx5e_rep_bridge_cleanup(struct mlx5e_priv *priv) 51619e9bfa0SVlad Buslov { 51719e9bfa0SVlad Buslov struct mlx5_esw_bridge_offloads *br_offloads; 51819e9bfa0SVlad Buslov struct mlx5_core_dev *mdev = priv->mdev; 51919e9bfa0SVlad Buslov struct mlx5_eswitch *esw = 52019e9bfa0SVlad Buslov mdev->priv.eswitch; 52119e9bfa0SVlad Buslov 52219e9bfa0SVlad Buslov br_offloads = esw->br_offloads; 52319e9bfa0SVlad Buslov if (!br_offloads) 52419e9bfa0SVlad Buslov return; 52519e9bfa0SVlad Buslov 526*2266bb1eSShay Drory cancel_delayed_work_sync(&br_offloads->update_work); 52719e9bfa0SVlad Buslov unregister_netdevice_notifier(&br_offloads->netdev_nb); 528c636a0f0SVlad Buslov unregister_switchdev_blocking_notifier(&br_offloads->nb_blk); 5297cd6a54aSVlad Buslov unregister_switchdev_notifier(&br_offloads->nb); 5307cd6a54aSVlad Buslov destroy_workqueue(br_offloads->wq); 53119e9bfa0SVlad Buslov rtnl_lock(); 53219e9bfa0SVlad Buslov mlx5_esw_bridge_cleanup(esw); 53319e9bfa0SVlad Buslov rtnl_unlock(); 53419e9bfa0SVlad Buslov } 535