diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum.h | 11 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c | 151 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.h | 2 |
3 files changed, 162 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 80580c892bb3..8445fc5c9ea3 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -1317,6 +1317,17 @@ void mlxsw_sp_nve_flood_ip_del(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fid *fid, enum mlxsw_sp_l3proto proto, union mlxsw_sp_l3addr *addr); +int mlxsw_sp_nve_ipv6_addr_kvdl_set(struct mlxsw_sp *mlxsw_sp, + const struct in6_addr *addr6, + u32 *p_kvdl_index); +void mlxsw_sp_nve_ipv6_addr_kvdl_unset(struct mlxsw_sp *mlxsw_sp, + const struct in6_addr *addr6); +int +mlxsw_sp_nve_ipv6_addr_map_replace(struct mlxsw_sp *mlxsw_sp, const char *mac, + u16 fid_index, + const struct in6_addr *new_addr6); +void mlxsw_sp_nve_ipv6_addr_map_del(struct mlxsw_sp *mlxsw_sp, const char *mac, + u16 fid_index); int mlxsw_sp_nve_fid_enable(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fid *fid, struct mlxsw_sp_nve_params *params, struct netlink_ext_ack *extack); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c index 9eba8fa684ae..dfe070434cbe 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.c @@ -787,6 +787,142 @@ static void mlxsw_sp_nve_fdb_clear_offload(struct mlxsw_sp *mlxsw_sp, ops->fdb_clear_offload(nve_dev, vni); } +struct mlxsw_sp_nve_ipv6_ht_key { + u8 mac[ETH_ALEN]; + u16 fid_index; +}; + +struct mlxsw_sp_nve_ipv6_ht_node { + struct rhash_head ht_node; + struct list_head list; + struct mlxsw_sp_nve_ipv6_ht_key key; + struct in6_addr addr6; +}; + +static const struct rhashtable_params mlxsw_sp_nve_ipv6_ht_params = { + .key_len = sizeof(struct mlxsw_sp_nve_ipv6_ht_key), + .key_offset = offsetof(struct mlxsw_sp_nve_ipv6_ht_node, key), + .head_offset = offsetof(struct mlxsw_sp_nve_ipv6_ht_node, ht_node), +}; + +int mlxsw_sp_nve_ipv6_addr_kvdl_set(struct mlxsw_sp *mlxsw_sp, + const struct in6_addr *addr6, + u32 *p_kvdl_index) +{ + return mlxsw_sp_ipv6_addr_kvdl_index_get(mlxsw_sp, addr6, p_kvdl_index); +} + +void mlxsw_sp_nve_ipv6_addr_kvdl_unset(struct mlxsw_sp *mlxsw_sp, + const struct in6_addr *addr6) +{ + mlxsw_sp_ipv6_addr_put(mlxsw_sp, addr6); +} + +static struct mlxsw_sp_nve_ipv6_ht_node * +mlxsw_sp_nve_ipv6_ht_node_lookup(struct mlxsw_sp *mlxsw_sp, const char *mac, + u16 fid_index) +{ + struct mlxsw_sp_nve_ipv6_ht_key key = {}; + + ether_addr_copy(key.mac, mac); + key.fid_index = fid_index; + return rhashtable_lookup_fast(&mlxsw_sp->nve->ipv6_ht, &key, + mlxsw_sp_nve_ipv6_ht_params); +} + +static int mlxsw_sp_nve_ipv6_ht_insert(struct mlxsw_sp *mlxsw_sp, + const char *mac, u16 fid_index, + const struct in6_addr *addr6) +{ + struct mlxsw_sp_nve_ipv6_ht_node *ipv6_ht_node; + struct mlxsw_sp_nve *nve = mlxsw_sp->nve; + int err; + + ipv6_ht_node = kzalloc(sizeof(*ipv6_ht_node), GFP_KERNEL); + if (!ipv6_ht_node) + return -ENOMEM; + + ether_addr_copy(ipv6_ht_node->key.mac, mac); + ipv6_ht_node->key.fid_index = fid_index; + ipv6_ht_node->addr6 = *addr6; + + err = rhashtable_insert_fast(&nve->ipv6_ht, &ipv6_ht_node->ht_node, + mlxsw_sp_nve_ipv6_ht_params); + if (err) + goto err_rhashtable_insert; + + list_add(&ipv6_ht_node->list, &nve->ipv6_addr_list); + + return 0; + +err_rhashtable_insert: + kfree(ipv6_ht_node); + return err; +} + +static void +mlxsw_sp_nve_ipv6_ht_remove(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_nve_ipv6_ht_node *ipv6_ht_node) +{ + struct mlxsw_sp_nve *nve = mlxsw_sp->nve; + + list_del(&ipv6_ht_node->list); + rhashtable_remove_fast(&nve->ipv6_ht, &ipv6_ht_node->ht_node, + mlxsw_sp_nve_ipv6_ht_params); + kfree(ipv6_ht_node); +} + +int +mlxsw_sp_nve_ipv6_addr_map_replace(struct mlxsw_sp *mlxsw_sp, const char *mac, + u16 fid_index, + const struct in6_addr *new_addr6) +{ + struct mlxsw_sp_nve_ipv6_ht_node *ipv6_ht_node; + + ASSERT_RTNL(); + + ipv6_ht_node = mlxsw_sp_nve_ipv6_ht_node_lookup(mlxsw_sp, mac, + fid_index); + if (!ipv6_ht_node) + return mlxsw_sp_nve_ipv6_ht_insert(mlxsw_sp, mac, fid_index, + new_addr6); + + mlxsw_sp_ipv6_addr_put(mlxsw_sp, &ipv6_ht_node->addr6); + ipv6_ht_node->addr6 = *new_addr6; + return 0; +} + +void mlxsw_sp_nve_ipv6_addr_map_del(struct mlxsw_sp *mlxsw_sp, const char *mac, + u16 fid_index) +{ + struct mlxsw_sp_nve_ipv6_ht_node *ipv6_ht_node; + + ASSERT_RTNL(); + + ipv6_ht_node = mlxsw_sp_nve_ipv6_ht_node_lookup(mlxsw_sp, mac, + fid_index); + if (WARN_ON(!ipv6_ht_node)) + return; + + mlxsw_sp_nve_ipv6_ht_remove(mlxsw_sp, ipv6_ht_node); +} + +static void mlxsw_sp_nve_ipv6_addr_flush_by_fid(struct mlxsw_sp *mlxsw_sp, + u16 fid_index) +{ + struct mlxsw_sp_nve_ipv6_ht_node *ipv6_ht_node, *tmp; + struct mlxsw_sp_nve *nve = mlxsw_sp->nve; + + list_for_each_entry_safe(ipv6_ht_node, tmp, &nve->ipv6_addr_list, + list) { + if (ipv6_ht_node->key.fid_index != fid_index) + continue; + + mlxsw_sp_ipv6_addr_put(mlxsw_sp, &ipv6_ht_node->addr6); + mlxsw_sp_nve_ipv6_ht_remove(mlxsw_sp, ipv6_ht_node); + } +} + int mlxsw_sp_nve_fid_enable(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fid *fid, struct mlxsw_sp_nve_params *params, struct netlink_ext_ack *extack) @@ -845,6 +981,7 @@ void mlxsw_sp_nve_fid_disable(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_nve_flood_ip_flush(mlxsw_sp, fid); mlxsw_sp_nve_fdb_flush_by_fid(mlxsw_sp, fid_index); + mlxsw_sp_nve_ipv6_addr_flush_by_fid(mlxsw_sp, fid_index); if (WARN_ON(mlxsw_sp_fid_nve_ifindex(fid, &nve_ifindex) || mlxsw_sp_fid_vni(fid, &vni))) @@ -981,7 +1118,13 @@ int mlxsw_sp_nve_init(struct mlxsw_sp *mlxsw_sp) err = rhashtable_init(&nve->mc_list_ht, &mlxsw_sp_nve_mc_list_ht_params); if (err) - goto err_rhashtable_init; + goto err_mc_rhashtable_init; + + err = rhashtable_init(&nve->ipv6_ht, &mlxsw_sp_nve_ipv6_ht_params); + if (err) + goto err_ipv6_rhashtable_init; + + INIT_LIST_HEAD(&nve->ipv6_addr_list); err = mlxsw_sp_nve_qos_init(mlxsw_sp); if (err) @@ -1000,8 +1143,10 @@ int mlxsw_sp_nve_init(struct mlxsw_sp *mlxsw_sp) err_nve_resources_query: err_nve_ecn_init: err_nve_qos_init: + rhashtable_destroy(&nve->ipv6_ht); +err_ipv6_rhashtable_init: rhashtable_destroy(&nve->mc_list_ht); -err_rhashtable_init: +err_mc_rhashtable_init: mlxsw_sp->nve = NULL; kfree(nve); return err; @@ -1010,6 +1155,8 @@ err_rhashtable_init: void mlxsw_sp_nve_fini(struct mlxsw_sp *mlxsw_sp) { WARN_ON(mlxsw_sp->nve->num_nve_tunnels); + WARN_ON(!list_empty(&mlxsw_sp->nve->ipv6_addr_list)); + rhashtable_destroy(&mlxsw_sp->nve->ipv6_ht); rhashtable_destroy(&mlxsw_sp->nve->mc_list_ht); kfree(mlxsw_sp->nve); mlxsw_sp->nve = NULL; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.h index 98d1fdc25eac..0d21de1d0395 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve.h @@ -23,6 +23,8 @@ struct mlxsw_sp_nve_config { struct mlxsw_sp_nve { struct mlxsw_sp_nve_config config; struct rhashtable mc_list_ht; + struct rhashtable ipv6_ht; + struct list_head ipv6_addr_list; /* Saves hash table nodes. */ struct mlxsw_sp *mlxsw_sp; const struct mlxsw_sp_nve_ops **nve_ops_arr; unsigned int num_nve_tunnels; /* Protected by RTNL */ |