diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/eswitch.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 71 |
1 files changed, 61 insertions, 10 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index da901e364656..aba17835465b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1042,8 +1042,7 @@ static int esw_vport_enable_qos(struct mlx5_eswitch *esw, void *vport_elem; int err = 0; - if (!esw->qos.enabled || !MLX5_CAP_GEN(dev, qos) || - !MLX5_CAP_QOS(dev, esw_scheduling)) + if (!esw->qos.enabled) return 0; if (vport->qos.enabled) @@ -1273,8 +1272,8 @@ static void esw_vport_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport esw_vport_cleanup_acl(esw, vport); } -static int esw_enable_vport(struct mlx5_eswitch *esw, u16 vport_num, - enum mlx5_eswitch_vport_event enabled_events) +int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num, + enum mlx5_eswitch_vport_event enabled_events) { struct mlx5_vport *vport; int ret; @@ -1301,6 +1300,13 @@ static int esw_enable_vport(struct mlx5_eswitch *esw, u16 vport_num, (!vport_num && mlx5_core_is_ecpf(esw->dev))) vport->info.trusted = true; + if (!mlx5_esw_is_manager_vport(esw, vport->vport) && + MLX5_CAP_GEN(esw->dev, vhca_resource_manager)) { + ret = mlx5_esw_vport_vhca_id_set(esw, vport_num); + if (ret) + goto err_vhca_mapping; + } + esw_vport_change_handle_locked(vport); esw->enabled_vports++; @@ -1308,9 +1314,14 @@ static int esw_enable_vport(struct mlx5_eswitch *esw, u16 vport_num, done: mutex_unlock(&esw->state_lock); return ret; + +err_vhca_mapping: + esw_vport_cleanup(esw, vport); + mutex_unlock(&esw->state_lock); + return ret; } -static void esw_disable_vport(struct mlx5_eswitch *esw, u16 vport_num) +void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num) { struct mlx5_vport *vport; @@ -1326,6 +1337,11 @@ static void esw_disable_vport(struct mlx5_eswitch *esw, u16 vport_num) /* Disable events from this vport */ arm_vport_context_events_cmd(esw->dev, vport->vport, 0); + + if (!mlx5_esw_is_manager_vport(esw, vport->vport) && + MLX5_CAP_GEN(esw->dev, vhca_resource_manager)) + mlx5_esw_vport_vhca_id_clear(esw, vport_num); + /* We don't assume VFs will cleanup after themselves. * Calling vport change handler while vport is disabled will cleanup * the vport resources. @@ -1366,9 +1382,15 @@ const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev) { int outlen = MLX5_ST_SZ_BYTES(query_esw_functions_out); u32 in[MLX5_ST_SZ_DW(query_esw_functions_in)] = {}; + u16 max_sf_vports; u32 *out; int err; + max_sf_vports = mlx5_sf_max_functions(dev); + /* Device interface is array of 64-bits */ + if (max_sf_vports) + outlen += DIV_ROUND_UP(max_sf_vports, BITS_PER_TYPE(__be64)) * sizeof(__be64); + out = kvzalloc(outlen, GFP_KERNEL); if (!out) return ERR_PTR(-ENOMEM); @@ -1376,7 +1398,7 @@ const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev) MLX5_SET(query_esw_functions_in, in, opcode, MLX5_CMD_OP_QUERY_ESW_FUNCTIONS); - err = mlx5_cmd_exec_inout(dev, query_esw_functions, in, out); + err = mlx5_cmd_exec(dev, in, sizeof(in), out, outlen); if (!err) return out; @@ -1426,7 +1448,7 @@ int mlx5_eswitch_load_vport(struct mlx5_eswitch *esw, u16 vport_num, { int err; - err = esw_enable_vport(esw, vport_num, enabled_events); + err = mlx5_esw_vport_enable(esw, vport_num, enabled_events); if (err) return err; @@ -1437,14 +1459,14 @@ int mlx5_eswitch_load_vport(struct mlx5_eswitch *esw, u16 vport_num, return err; err_rep: - esw_disable_vport(esw, vport_num); + mlx5_esw_vport_disable(esw, vport_num); return err; } void mlx5_eswitch_unload_vport(struct mlx5_eswitch *esw, u16 vport_num) { esw_offloads_unload_rep(esw, vport_num); - esw_disable_vport(esw, vport_num); + mlx5_esw_vport_disable(esw, vport_num); } void mlx5_eswitch_unload_vf_vports(struct mlx5_eswitch *esw, u16 num_vfs) @@ -1594,6 +1616,15 @@ mlx5_eswitch_update_num_of_vfs(struct mlx5_eswitch *esw, int num_vfs) kvfree(out); } +static void mlx5_esw_mode_change_notify(struct mlx5_eswitch *esw, u16 mode) +{ + struct mlx5_esw_event_info info = {}; + + info.new_mode = mode; + + blocking_notifier_call_chain(&esw->n_head, 0, &info); +} + /** * mlx5_eswitch_enable_locked - Enable eswitch * @esw: Pointer to eswitch @@ -1654,6 +1685,8 @@ int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int mode, int num_vfs) mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS", esw->esw_funcs.num_vfs, esw->enabled_vports); + mlx5_esw_mode_change_notify(esw, mode); + return 0; abort: @@ -1710,6 +1743,11 @@ void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw, bool clear_vf) esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS", esw->esw_funcs.num_vfs, esw->enabled_vports); + /* Notify eswitch users that it is exiting from current mode. + * So that it can do necessary cleanup before the eswitch is disabled. + */ + mlx5_esw_mode_change_notify(esw, MLX5_ESWITCH_NONE); + mlx5_eswitch_event_handlers_unregister(esw); if (esw->mode == MLX5_ESWITCH_LEGACY) @@ -1794,6 +1832,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev) mlx5e_mod_hdr_tbl_init(&esw->offloads.mod_hdr); atomic64_set(&esw->offloads.num_flows, 0); ida_init(&esw->offloads.vport_metadata_ida); + xa_init_flags(&esw->offloads.vhca_map, XA_FLAGS_ALLOC); mutex_init(&esw->state_lock); mutex_init(&esw->mode_lock); @@ -1810,6 +1849,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev) esw->offloads.inline_mode = MLX5_INLINE_MODE_NONE; dev->priv.eswitch = esw; + BLOCKING_INIT_NOTIFIER_HEAD(&esw->n_head); return 0; abort: if (esw->work_queue) @@ -1832,6 +1872,8 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw) esw_offloads_cleanup_reps(esw); mutex_destroy(&esw->mode_lock); mutex_destroy(&esw->state_lock); + WARN_ON(!xa_empty(&esw->offloads.vhca_map)); + xa_destroy(&esw->offloads.vhca_map); ida_destroy(&esw->offloads.vport_metadata_ida); mlx5e_mod_hdr_tbl_destroy(&esw->offloads.mod_hdr); mutex_destroy(&esw->offloads.encap_tbl_lock); @@ -1899,7 +1941,8 @@ static bool is_port_function_supported(const struct mlx5_eswitch *esw, u16 vport_num) { return vport_num == MLX5_VPORT_PF || - mlx5_eswitch_is_vf_vport(esw, vport_num); + mlx5_eswitch_is_vf_vport(esw, vport_num) || + mlx5_esw_is_sf_vport(esw, vport_num); } int mlx5_devlink_port_function_hw_addr_get(struct devlink *devlink, @@ -2500,4 +2543,12 @@ bool mlx5_esw_multipath_prereq(struct mlx5_core_dev *dev0, dev1->priv.eswitch->mode == MLX5_ESWITCH_OFFLOADS); } +int mlx5_esw_event_notifier_register(struct mlx5_eswitch *esw, struct notifier_block *nb) +{ + return blocking_notifier_chain_register(&esw->n_head, nb); +} +void mlx5_esw_event_notifier_unregister(struct mlx5_eswitch *esw, struct notifier_block *nb) +{ + blocking_notifier_chain_unregister(&esw->n_head, nb); +} |