From 0470e5e38c9d97e7ce1e804cd54cf59accdf3ac2 Mon Sep 17 00:00:00 2001 From: Qian Cai Date: Mon, 22 Jul 2019 14:34:42 -0400 Subject: [PATCH 01/18] net/mlx5: fix -Wtype-limits compilation warnings The commit b9a7ba556207 ("net/mlx5: Use event mask based on device capabilities") introduced a few compilation warnings due to it bumps MLX5_EVENT_TYPE_MAX from 0x27 to 0x100 which is always greater than an "struct {mlx5_eqe|mlx5_nb}.type" that is an "u8". drivers/net/ethernet/mellanox/mlx5/core/eq.c: In function 'mlx5_eq_notifier_register': drivers/net/ethernet/mellanox/mlx5/core/eq.c:948:21: warning: comparison is always false due to limited range of data type [-Wtype-limits] if (nb->event_type >= MLX5_EVENT_TYPE_MAX) ^~ drivers/net/ethernet/mellanox/mlx5/core/eq.c: In function 'mlx5_eq_notifier_unregister': drivers/net/ethernet/mellanox/mlx5/core/eq.c:959:21: warning: comparison is always false due to limited range of data type [-Wtype-limits] if (nb->event_type >= MLX5_EVENT_TYPE_MAX) Fix them by removing unnecessary checkings. Fixes: b9a7ba556207 ("net/mlx5: Use event mask based on device capabilities") Signed-off-by: Qian Cai Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/eq.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index 41f25ea2e8d9..2df9aaa421c6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -215,11 +215,7 @@ static int mlx5_eq_async_int(struct notifier_block *nb, */ dma_rmb(); - if (likely(eqe->type < MLX5_EVENT_TYPE_MAX)) - atomic_notifier_call_chain(&eqt->nh[eqe->type], eqe->type, eqe); - else - mlx5_core_warn_once(dev, "notifier_call_chain is not setup for eqe: %d\n", eqe->type); - + atomic_notifier_call_chain(&eqt->nh[eqe->type], eqe->type, eqe); atomic_notifier_call_chain(&eqt->nh[MLX5_EVENT_TYPE_NOTIFY_ANY], eqe->type, eqe); ++eq->cons_index; @@ -945,9 +941,6 @@ int mlx5_eq_notifier_register(struct mlx5_core_dev *dev, struct mlx5_nb *nb) { struct mlx5_eq_table *eqt = dev->priv.eq_table; - if (nb->event_type >= MLX5_EVENT_TYPE_MAX) - return -EINVAL; - return atomic_notifier_chain_register(&eqt->nh[nb->event_type], &nb->nb); } EXPORT_SYMBOL(mlx5_eq_notifier_register); @@ -956,9 +949,6 @@ int mlx5_eq_notifier_unregister(struct mlx5_core_dev *dev, struct mlx5_nb *nb) { struct mlx5_eq_table *eqt = dev->priv.eq_table; - if (nb->event_type >= MLX5_EVENT_TYPE_MAX) - return -EINVAL; - return atomic_notifier_chain_unregister(&eqt->nh[nb->event_type], &nb->nb); } EXPORT_SYMBOL(mlx5_eq_notifier_unregister); From 6f06e04b67baa1c9da61c8b15b1335a1dbb98bcb Mon Sep 17 00:00:00 2001 From: Gavi Teitz Date: Mon, 29 Jul 2019 21:12:52 +0000 Subject: [PATCH 02/18] net/mlx5: Refactor and optimize flow counter bulk query Towards introducing the ability to allocate bulks of flow counters, refactor the flow counter bulk query process, removing functions and structs whose names indicated being used for flow counter bulk allocation FW commands, despite them actually only being used to support bulk querying, and migrate their functionality to correctly named functions in their natural location, fs_counters.c. Additionally, optimize the bulk query process by: * Extracting the memory used for the query to mlx5_fc_stats so that it is only allocated once, and not for each bulk query. * Querying all the counters in one function call. Signed-off-by: Gavi Teitz Reviewed-by: Vlad Buslov Signed-off-by: Saeed Mahameed --- .../net/ethernet/mellanox/mlx5/core/fs_cmd.c | 61 ++------- .../net/ethernet/mellanox/mlx5/core/fs_cmd.h | 13 +- .../ethernet/mellanox/mlx5/core/fs_counters.c | 129 ++++++++++-------- include/linux/mlx5/driver.h | 1 + 4 files changed, 83 insertions(+), 121 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c index 7ac1249eadc3..51f6972f4c70 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c @@ -615,67 +615,24 @@ int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id, return 0; } -struct mlx5_cmd_fc_bulk { - u32 id; - int num; - int outlen; - u32 out[0]; -}; - -struct mlx5_cmd_fc_bulk * -mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, u32 id, int num) +int mlx5_cmd_fc_get_bulk_query_out_len(int bulk_len) { - struct mlx5_cmd_fc_bulk *b; - int outlen = - MLX5_ST_SZ_BYTES(query_flow_counter_out) + - MLX5_ST_SZ_BYTES(traffic_counter) * num; - - b = kzalloc(sizeof(*b) + outlen, GFP_KERNEL); - if (!b) - return NULL; - - b->id = id; - b->num = num; - b->outlen = outlen; - - return b; + return MLX5_ST_SZ_BYTES(query_flow_counter_out) + + MLX5_ST_SZ_BYTES(traffic_counter) * bulk_len; } -void mlx5_cmd_fc_bulk_free(struct mlx5_cmd_fc_bulk *b) -{ - kfree(b); -} - -int -mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, struct mlx5_cmd_fc_bulk *b) +int mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, u32 base_id, int bulk_len, + u32 *out) { + int outlen = mlx5_cmd_fc_get_bulk_query_out_len(bulk_len); u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0}; MLX5_SET(query_flow_counter_in, in, opcode, MLX5_CMD_OP_QUERY_FLOW_COUNTER); MLX5_SET(query_flow_counter_in, in, op_mod, 0); - MLX5_SET(query_flow_counter_in, in, flow_counter_id, b->id); - MLX5_SET(query_flow_counter_in, in, num_of_counters, b->num); - return mlx5_cmd_exec(dev, in, sizeof(in), b->out, b->outlen); -} - -void mlx5_cmd_fc_bulk_get(struct mlx5_core_dev *dev, - struct mlx5_cmd_fc_bulk *b, u32 id, - u64 *packets, u64 *bytes) -{ - int index = id - b->id; - void *stats; - - if (index < 0 || index >= b->num) { - mlx5_core_warn(dev, "Flow counter id (0x%x) out of range (0x%x..0x%x). Counter ignored.\n", - id, b->id, b->id + b->num - 1); - return; - } - - stats = MLX5_ADDR_OF(query_flow_counter_out, b->out, - flow_statistics[index]); - *packets = MLX5_GET64(traffic_counter, stats, packets); - *bytes = MLX5_GET64(traffic_counter, stats, octets); + MLX5_SET(query_flow_counter_in, in, flow_counter_id, base_id); + MLX5_SET(query_flow_counter_in, in, num_of_counters, bulk_len); + return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen); } int mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h index e340f9af2f5a..db49eabba98d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h @@ -82,16 +82,9 @@ int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id); int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id, u64 *packets, u64 *bytes); -struct mlx5_cmd_fc_bulk; - -struct mlx5_cmd_fc_bulk * -mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, u32 id, int num); -void mlx5_cmd_fc_bulk_free(struct mlx5_cmd_fc_bulk *b); -int -mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, struct mlx5_cmd_fc_bulk *b); -void mlx5_cmd_fc_bulk_get(struct mlx5_core_dev *dev, - struct mlx5_cmd_fc_bulk *b, u32 id, - u64 *packets, u64 *bytes); +int mlx5_cmd_fc_get_bulk_query_out_len(int bulk_len); +int mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, u32 base_id, int bulk_len, + u32 *out); const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type type); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c index b3762123a69c..067a4b56498b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_counters.c @@ -75,7 +75,7 @@ struct mlx5_fc { * access to counter list: * - create (user context) * - mlx5_fc_create() only adds to an addlist to be used by - * mlx5_fc_stats_query_work(). addlist is a lockless single linked list + * mlx5_fc_stats_work(). addlist is a lockless single linked list * that doesn't require any additional synchronization when adding single * node. * - spawn thread to do the actual destroy @@ -136,72 +136,69 @@ static void mlx5_fc_stats_remove(struct mlx5_core_dev *dev, spin_unlock(&fc_stats->counters_idr_lock); } -/* The function returns the last counter that was queried so the caller - * function can continue calling it till all counters are queried. - */ -static struct mlx5_fc *mlx5_fc_stats_query(struct mlx5_core_dev *dev, - struct mlx5_fc *first, - u32 last_id) +static int get_max_bulk_query_len(struct mlx5_core_dev *dev) +{ + return min_t(int, MLX5_SW_MAX_COUNTERS_BULK, + (1 << MLX5_CAP_GEN(dev, log_max_flow_counter_bulk))); +} + +static void update_counter_cache(int index, u32 *bulk_raw_data, + struct mlx5_fc_cache *cache) +{ + void *stats = MLX5_ADDR_OF(query_flow_counter_out, bulk_raw_data, + flow_statistics[index]); + u64 packets = MLX5_GET64(traffic_counter, stats, packets); + u64 bytes = MLX5_GET64(traffic_counter, stats, octets); + + if (cache->packets == packets) + return; + + cache->packets = packets; + cache->bytes = bytes; + cache->lastuse = jiffies; +} + +static void mlx5_fc_stats_query_counter_range(struct mlx5_core_dev *dev, + struct mlx5_fc *first, + u32 last_id) { struct mlx5_fc_stats *fc_stats = &dev->priv.fc_stats; - struct mlx5_fc *counter = NULL; - struct mlx5_cmd_fc_bulk *b; - bool more = false; - u32 afirst_id; - int num; + bool query_more_counters = (first->id <= last_id); + int max_bulk_len = get_max_bulk_query_len(dev); + u32 *data = fc_stats->bulk_query_out; + struct mlx5_fc *counter = first; + u32 bulk_base_id; + int bulk_len; int err; - int max_bulk = min_t(int, MLX5_SW_MAX_COUNTERS_BULK, - (1 << MLX5_CAP_GEN(dev, log_max_flow_counter_bulk))); + while (query_more_counters) { + /* first id must be aligned to 4 when using bulk query */ + bulk_base_id = counter->id & ~0x3; - /* first id must be aligned to 4 when using bulk query */ - afirst_id = first->id & ~0x3; + /* number of counters to query inc. the last counter */ + bulk_len = min_t(int, max_bulk_len, + ALIGN(last_id - bulk_base_id + 1, 4)); - /* number of counters to query inc. the last counter */ - num = ALIGN(last_id - afirst_id + 1, 4); - if (num > max_bulk) { - num = max_bulk; - last_id = afirst_id + num - 1; - } - - b = mlx5_cmd_fc_bulk_alloc(dev, afirst_id, num); - if (!b) { - mlx5_core_err(dev, "Error allocating resources for bulk query\n"); - return NULL; - } - - err = mlx5_cmd_fc_bulk_query(dev, b); - if (err) { - mlx5_core_err(dev, "Error doing bulk query: %d\n", err); - goto out; - } - - counter = first; - list_for_each_entry_from(counter, &fc_stats->counters, list) { - struct mlx5_fc_cache *c = &counter->cache; - u64 packets; - u64 bytes; - - if (counter->id > last_id) { - more = true; - break; + err = mlx5_cmd_fc_bulk_query(dev, bulk_base_id, bulk_len, + data); + if (err) { + mlx5_core_err(dev, "Error doing bulk query: %d\n", err); + return; } + query_more_counters = false; - mlx5_cmd_fc_bulk_get(dev, b, - counter->id, &packets, &bytes); + list_for_each_entry_from(counter, &fc_stats->counters, list) { + int counter_index = counter->id - bulk_base_id; + struct mlx5_fc_cache *cache = &counter->cache; - if (c->packets == packets) - continue; + if (counter->id >= bulk_base_id + bulk_len) { + query_more_counters = true; + break; + } - c->packets = packets; - c->bytes = bytes; - c->lastuse = jiffies; + update_counter_cache(counter_index, data, cache); + } } - -out: - mlx5_cmd_fc_bulk_free(b); - - return more ? counter : NULL; } static void mlx5_free_fc(struct mlx5_core_dev *dev, @@ -244,8 +241,8 @@ static void mlx5_fc_stats_work(struct work_struct *work) counter = list_first_entry(&fc_stats->counters, struct mlx5_fc, list); - while (counter) - counter = mlx5_fc_stats_query(dev, counter, last->id); + if (counter) + mlx5_fc_stats_query_counter_range(dev, counter, last->id); fc_stats->next_query = now + fc_stats->sampling_interval; } @@ -324,6 +321,8 @@ EXPORT_SYMBOL(mlx5_fc_destroy); int mlx5_init_fc_stats(struct mlx5_core_dev *dev) { struct mlx5_fc_stats *fc_stats = &dev->priv.fc_stats; + int max_bulk_len; + int max_out_len; spin_lock_init(&fc_stats->counters_idr_lock); idr_init(&fc_stats->counters_idr); @@ -331,14 +330,24 @@ int mlx5_init_fc_stats(struct mlx5_core_dev *dev) init_llist_head(&fc_stats->addlist); init_llist_head(&fc_stats->dellist); + max_bulk_len = get_max_bulk_query_len(dev); + max_out_len = mlx5_cmd_fc_get_bulk_query_out_len(max_bulk_len); + fc_stats->bulk_query_out = kzalloc(max_out_len, GFP_KERNEL); + if (!fc_stats->bulk_query_out) + return -ENOMEM; + fc_stats->wq = create_singlethread_workqueue("mlx5_fc"); if (!fc_stats->wq) - return -ENOMEM; + goto err_wq_create; fc_stats->sampling_interval = MLX5_FC_STATS_PERIOD; INIT_DELAYED_WORK(&fc_stats->work, mlx5_fc_stats_work); return 0; + +err_wq_create: + kfree(fc_stats->bulk_query_out); + return -ENOMEM; } void mlx5_cleanup_fc_stats(struct mlx5_core_dev *dev) @@ -352,6 +361,8 @@ void mlx5_cleanup_fc_stats(struct mlx5_core_dev *dev) destroy_workqueue(dev->priv.fc_stats.wq); dev->priv.fc_stats.wq = NULL; + kfree(fc_stats->bulk_query_out); + idr_destroy(&fc_stats->counters_idr); tmplist = llist_del_all(&fc_stats->addlist); diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 0e6da1840c7d..267b2bc0ca4a 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -488,6 +488,7 @@ struct mlx5_fc_stats { struct delayed_work work; unsigned long next_query; unsigned long sampling_interval; /* jiffies */ + u32 *bulk_query_out; }; struct mlx5_events; From 8536a6bf2ea1f3bf4e3159b590fbecce4d854796 Mon Sep 17 00:00:00 2001 From: Gavi Teitz Date: Mon, 29 Jul 2019 21:12:54 +0000 Subject: [PATCH 03/18] net/mlx5: Add flow counter bulk allocation hardware bits and command Add a handle to invoke the new FW capability of allocating a bulk of flow counters. Signed-off-by: Gavi Teitz Reviewed-by: Vlad Buslov Signed-off-by: Saeed Mahameed --- .../net/ethernet/mellanox/mlx5/core/fs_cmd.c | 10 ++++++++- .../net/ethernet/mellanox/mlx5/core/fs_cmd.h | 3 +++ include/linux/mlx5/mlx5_ifc.h | 21 +++++++++++++++++-- 3 files changed, 31 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c index 51f6972f4c70..b84a225bbe86 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c @@ -566,7 +566,9 @@ static int mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace *ns, return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); } -int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id) +int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, + enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask, + u32 *id) { u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {0}; u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0}; @@ -574,6 +576,7 @@ int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id) MLX5_SET(alloc_flow_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_FLOW_COUNTER); + MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, alloc_bitmask); err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); if (!err) @@ -581,6 +584,11 @@ int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id) return err; } +int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id) +{ + return mlx5_cmd_fc_bulk_alloc(dev, 0, id); +} + int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id) { u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {0}; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h index db49eabba98d..bc4606306009 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h @@ -78,6 +78,9 @@ struct mlx5_flow_cmds { }; int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id); +int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, + enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask, + u32 *id); int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id); int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id, u64 *packets, u64 *bytes); diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index b3d5752657d9..196987f14a3f 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -1040,6 +1040,21 @@ enum { MLX5_UCTX_CAP_INTERNAL_DEV_RES = 1UL << 1, }; +#define MLX5_FC_BULK_SIZE_FACTOR 128 + +enum mlx5_fc_bulk_alloc_bitmask { + MLX5_FC_BULK_128 = (1 << 0), + MLX5_FC_BULK_256 = (1 << 1), + MLX5_FC_BULK_512 = (1 << 2), + MLX5_FC_BULK_1024 = (1 << 3), + MLX5_FC_BULK_2048 = (1 << 4), + MLX5_FC_BULK_4096 = (1 << 5), + MLX5_FC_BULK_8192 = (1 << 6), + MLX5_FC_BULK_16384 = (1 << 7), +}; + +#define MLX5_FC_BULK_NUM_FCS(fc_enum) (MLX5_FC_BULK_SIZE_FACTOR * (fc_enum)) + struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_0[0x30]; u8 vhca_id[0x10]; @@ -1244,7 +1259,8 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_2e0[0x7]; u8 max_qp_mcg[0x19]; - u8 reserved_at_300[0x18]; + u8 reserved_at_300[0x10]; + u8 flow_counter_bulk_alloc[0x8]; u8 log_max_mcg[0x8]; u8 reserved_at_320[0x3]; @@ -7815,7 +7831,8 @@ struct mlx5_ifc_alloc_flow_counter_in_bits { u8 reserved_at_20[0x10]; u8 op_mod[0x10]; - u8 reserved_at_40[0x40]; + u8 reserved_at_40[0x38]; + u8 flow_counter_bulk[0x8]; }; struct mlx5_ifc_add_vxlan_udp_dport_out_bits { From 7761f9eef3f09f2f4c579313e0c536770b5ecff4 Mon Sep 17 00:00:00 2001 From: Saeed Mahameed Date: Mon, 29 Jul 2019 21:12:56 +0000 Subject: [PATCH 04/18] net/mlx5: Fix offset of tisc bits reserved field First reserved field is off by one instead of reserved_at_1 it should be reserved_at_2, fix that. Fixes: a12ff35e0fb7 ("net/mlx5: Introduce TLS TX offload hardware bits and structures") Signed-off-by: Saeed Mahameed Reviewed-by: Leon Romanovsky Signed-off-by: Saeed Mahameed --- include/linux/mlx5/mlx5_ifc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 196987f14a3f..9265c84ad353 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -2782,7 +2782,7 @@ struct mlx5_ifc_traffic_counter_bits { struct mlx5_ifc_tisc_bits { u8 strict_lag_tx_port_affinity[0x1]; u8 tls_en[0x1]; - u8 reserved_at_1[0x2]; + u8 reserved_at_2[0x2]; u8 lag_tx_port_affinity[0x04]; u8 reserved_at_8[0x4]; From 0000a5f2507deef8668d23d6406e9d19ba371def Mon Sep 17 00:00:00 2001 From: Parav Pandit Date: Mon, 29 Jul 2019 21:12:58 +0000 Subject: [PATCH 05/18] net/mlx5: Make load_one() and unload_one() symmetric Currently mlx5_load_one() perform device registration using mlx5_register_device(). But mlx5_unload_one() doesn't unregister. Make them symmetric by doing device unregistration in mlx5_unload_one(). Signed-off-by: Parav Pandit Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index b15b27a497fc..fa0e991f1983 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1217,8 +1217,10 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, bool cleanup) { int err = 0; - if (cleanup) + if (cleanup) { + mlx5_unregister_device(dev); mlx5_drain_health_wq(dev); + } mutex_lock(&dev->intf_state_mutex); if (!test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) { @@ -1369,7 +1371,6 @@ static void remove_one(struct pci_dev *pdev) mlx5_crdump_disable(dev); mlx5_devlink_unregister(devlink); - mlx5_unregister_device(dev); if (mlx5_unload_one(dev, true)) { mlx5_core_err(dev, "mlx5_unload_one failed\n"); From 6cedde4513990af7191afa43528533f80e92c989 Mon Sep 17 00:00:00 2001 From: Eli Cohen Date: Mon, 29 Jul 2019 21:13:00 +0000 Subject: [PATCH 06/18] net/mlx5: E-Switch, Verify support QoS element type Check if firmware supports the requested element type before attempting to create the element type. In addition, explicitly specify the request element type and tsar type. Signed-off-by: Eli Cohen Reviewed-by: Paul Blakey Signed-off-by: Saeed Mahameed --- .../net/ethernet/mellanox/mlx5/core/eswitch.c | 31 +++++++++++++++++++ include/linux/mlx5/mlx5_ifc.h | 7 +++++ 2 files changed, 38 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 1f3891fde2eb..2927fa1da92f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1393,19 +1393,50 @@ static int esw_vport_egress_config(struct mlx5_eswitch *esw, return err; } +static bool element_type_supported(struct mlx5_eswitch *esw, int type) +{ + struct mlx5_core_dev *dev = esw->dev = esw->dev; + + switch (type) { + case SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR: + return MLX5_CAP_QOS(dev, esw_element_type) & + ELEMENT_TYPE_CAP_MASK_TASR; + case SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT: + return MLX5_CAP_QOS(dev, esw_element_type) & + ELEMENT_TYPE_CAP_MASK_VPORT; + case SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT_TC: + return MLX5_CAP_QOS(dev, esw_element_type) & + ELEMENT_TYPE_CAP_MASK_VPORT_TC; + case SCHEDULING_CONTEXT_ELEMENT_TYPE_PARA_VPORT_TC: + return MLX5_CAP_QOS(dev, esw_element_type) & + ELEMENT_TYPE_CAP_MASK_PARA_VPORT_TC; + } + return false; +} + /* Vport QoS management */ static int esw_create_tsar(struct mlx5_eswitch *esw) { u32 tsar_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {0}; struct mlx5_core_dev *dev = esw->dev; + __be32 *attr; int err; if (!MLX5_CAP_GEN(dev, qos) || !MLX5_CAP_QOS(dev, esw_scheduling)) return 0; + if (!element_type_supported(esw, SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR)) + return 0; + if (esw->qos.enabled) return -EEXIST; + MLX5_SET(scheduling_context, tsar_ctx, element_type, + SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR); + + attr = MLX5_ADDR_OF(scheduling_context, tsar_ctx, element_attributes); + *attr = cpu_to_be32(TSAR_ELEMENT_TSAR_TYPE_DWRR << 16); + err = mlx5_create_scheduling_element_cmd(dev, SCHEDULING_HIERARCHY_E_SWITCH, tsar_ctx, diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 9265c84ad353..30d15e80bcc7 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -2957,6 +2957,13 @@ enum { SCHEDULING_CONTEXT_ELEMENT_TYPE_PARA_VPORT_TC = 0x3, }; +enum { + ELEMENT_TYPE_CAP_MASK_TASR = 1 << 0, + ELEMENT_TYPE_CAP_MASK_VPORT = 1 << 1, + ELEMENT_TYPE_CAP_MASK_VPORT_TC = 1 << 2, + ELEMENT_TYPE_CAP_MASK_PARA_VPORT_TC = 1 << 3, +}; + struct mlx5_ifc_scheduling_context_bits { u8 element_type[0x8]; u8 reserved_at_8[0x18]; From 332bd3a5b931eb67deb370db62d59f9cc7f76dac Mon Sep 17 00:00:00 2001 From: Parav Pandit Date: Mon, 29 Jul 2019 21:13:02 +0000 Subject: [PATCH 07/18] net/mlx5: E-switch, Combine metadata enable/disable functionality Except bit toggling code, rest of the code is same to enable/disable metadata passing functionality. Hence, combine them to single function and control using enable flag. Also instead of checking metadata supported at multiple places, fold into the helper function. Signed-off-by: Parav Pandit Signed-off-by: Saeed Mahameed --- .../mellanox/mlx5/core/eswitch_offloads.c | 50 +++++-------------- 1 file changed, 13 insertions(+), 37 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 089ae4d48a82..4be19890f725 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -587,13 +587,16 @@ void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule) mlx5_del_flow_rules(rule); } -static int mlx5_eswitch_enable_passing_vport_metadata(struct mlx5_eswitch *esw) +static int esw_set_passing_vport_metadata(struct mlx5_eswitch *esw, bool enable) { u32 out[MLX5_ST_SZ_DW(query_esw_vport_context_out)] = {}; u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {}; u8 fdb_to_vport_reg_c_id; int err; + if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) + return 0; + err = mlx5_eswitch_query_esw_vport_context(esw, esw->manager_vport, out, sizeof(out)); if (err) @@ -602,33 +605,10 @@ static int mlx5_eswitch_enable_passing_vport_metadata(struct mlx5_eswitch *esw) fdb_to_vport_reg_c_id = MLX5_GET(query_esw_vport_context_out, out, esw_vport_context.fdb_to_vport_reg_c_id); - fdb_to_vport_reg_c_id |= MLX5_FDB_TO_VPORT_REG_C_0; - MLX5_SET(modify_esw_vport_context_in, in, - esw_vport_context.fdb_to_vport_reg_c_id, fdb_to_vport_reg_c_id); - - MLX5_SET(modify_esw_vport_context_in, in, - field_select.fdb_to_vport_reg_c_id, 1); - - return mlx5_eswitch_modify_esw_vport_context(esw, esw->manager_vport, - in, sizeof(in)); -} - -static int mlx5_eswitch_disable_passing_vport_metadata(struct mlx5_eswitch *esw) -{ - u32 out[MLX5_ST_SZ_DW(query_esw_vport_context_out)] = {}; - u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {}; - u8 fdb_to_vport_reg_c_id; - int err; - - err = mlx5_eswitch_query_esw_vport_context(esw, esw->manager_vport, - out, sizeof(out)); - if (err) - return err; - - fdb_to_vport_reg_c_id = MLX5_GET(query_esw_vport_context_out, out, - esw_vport_context.fdb_to_vport_reg_c_id); - - fdb_to_vport_reg_c_id &= ~MLX5_FDB_TO_VPORT_REG_C_0; + if (enable) + fdb_to_vport_reg_c_id |= MLX5_FDB_TO_VPORT_REG_C_0; + else + fdb_to_vport_reg_c_id &= ~MLX5_FDB_TO_VPORT_REG_C_0; MLX5_SET(modify_esw_vport_context_in, in, esw_vport_context.fdb_to_vport_reg_c_id, fdb_to_vport_reg_c_id); @@ -2138,11 +2118,9 @@ int esw_offloads_init(struct mlx5_eswitch *esw) if (err) return err; - if (mlx5_eswitch_vport_match_metadata_enabled(esw)) { - err = mlx5_eswitch_enable_passing_vport_metadata(esw); - if (err) - goto err_vport_metadata; - } + err = esw_set_passing_vport_metadata(esw, true); + if (err) + goto err_vport_metadata; err = esw_offloads_load_all_reps(esw); if (err) @@ -2156,8 +2134,7 @@ int esw_offloads_init(struct mlx5_eswitch *esw) return 0; err_reps: - if (mlx5_eswitch_vport_match_metadata_enabled(esw)) - mlx5_eswitch_disable_passing_vport_metadata(esw); + esw_set_passing_vport_metadata(esw, false); err_vport_metadata: esw_offloads_steering_cleanup(esw); return err; @@ -2187,8 +2164,7 @@ void esw_offloads_cleanup(struct mlx5_eswitch *esw) mlx5_rdma_disable_roce(esw->dev); esw_offloads_devcom_cleanup(esw); esw_offloads_unload_all_reps(esw); - if (mlx5_eswitch_vport_match_metadata_enabled(esw)) - mlx5_eswitch_disable_passing_vport_metadata(esw); + esw_set_passing_vport_metadata(esw, false); esw_offloads_steering_cleanup(esw); esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE; } From 610090ebce92ab6a3e1e623344be5a9dd72a8b6d Mon Sep 17 00:00:00 2001 From: Parav Pandit Date: Mon, 29 Jul 2019 21:13:04 +0000 Subject: [PATCH 08/18] net/mlx5: E-switch, Initialize TSAR Qos hardware block before its user vports First enable TSAR Qos hardware block in device before enabling its user vports. This refactor is needed so that vports can be enabled before their representor netdevice can be created. While at it, esw_create_tsar() returns error code which was used only to print error. However esw_create_tsar() already prints warning if it hits an error. Hence, remove the redundant warning. Signed-off-by: Parav Pandit Signed-off-by: Saeed Mahameed --- .../net/ethernet/mellanox/mlx5/core/eswitch.c | 21 ++++++++----------- 1 file changed, 9 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 2927fa1da92f..820970911f8b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1415,7 +1415,7 @@ static bool element_type_supported(struct mlx5_eswitch *esw, int type) } /* Vport QoS management */ -static int esw_create_tsar(struct mlx5_eswitch *esw) +static void esw_create_tsar(struct mlx5_eswitch *esw) { u32 tsar_ctx[MLX5_ST_SZ_DW(scheduling_context)] = {0}; struct mlx5_core_dev *dev = esw->dev; @@ -1423,13 +1423,13 @@ static int esw_create_tsar(struct mlx5_eswitch *esw) int err; if (!MLX5_CAP_GEN(dev, qos) || !MLX5_CAP_QOS(dev, esw_scheduling)) - return 0; + return; if (!element_type_supported(esw, SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR)) - return 0; + return; if (esw->qos.enabled) - return -EEXIST; + return; MLX5_SET(scheduling_context, tsar_ctx, element_type, SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR); @@ -1443,11 +1443,10 @@ static int esw_create_tsar(struct mlx5_eswitch *esw) &esw->qos.root_tsar_id); if (err) { esw_warn(esw->dev, "E-Switch create TSAR failed (%d)\n", err); - return err; + return; } esw->qos.enabled = true; - return 0; } static void esw_destroy_tsar(struct mlx5_eswitch *esw) @@ -1819,6 +1818,8 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode) if (!MLX5_CAP_ESW_EGRESS_ACL(esw->dev, ft_support)) esw_warn(esw->dev, "engress ACL is not supported by FW\n"); + esw_create_tsar(esw); + esw->mode = mode; mlx5_lag_update(esw->dev); @@ -1836,10 +1837,6 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode) if (err) goto abort; - err = esw_create_tsar(esw); - if (err) - esw_warn(esw->dev, "Failed to create eswitch TSAR"); - enabled_events = (mode == MLX5_ESWITCH_LEGACY) ? SRIOV_VPORT_EVENTS : UC_ADDR_CHANGE; @@ -1899,13 +1896,13 @@ void mlx5_eswitch_disable(struct mlx5_eswitch *esw) if (mc_promisc && mc_promisc->uplink_rule) mlx5_del_flow_rules(mc_promisc->uplink_rule); - esw_destroy_tsar(esw); - if (esw->mode == MLX5_ESWITCH_LEGACY) esw_destroy_legacy_table(esw); else if (esw->mode == MLX5_ESWITCH_OFFLOADS) esw_offloads_cleanup(esw); + esw_destroy_tsar(esw); + old_mode = esw->mode; esw->mode = MLX5_ESWITCH_NONE; From 5019833d661f5edb6bd63abd3da064d2517966b4 Mon Sep 17 00:00:00 2001 From: Parav Pandit Date: Mon, 29 Jul 2019 21:13:06 +0000 Subject: [PATCH 09/18] net/mlx5: E-switch, Introduce helper function to enable/disable vports vports needs to be enabled in switchdev and legacy mode. In switchdev mode, vports should be enabled after initializing the FDB tables and before creating their represntors so that representor works on an initialized vport object. Prepare a helper function which can be called when enabling either of the eswitch modes. Similarly, have disable vports helper function. Signed-off-by: Parav Pandit Signed-off-by: Saeed Mahameed --- .../net/ethernet/mellanox/mlx5/core/eswitch.c | 96 +++++++++++-------- .../net/ethernet/mellanox/mlx5/core/eswitch.h | 19 +++- 2 files changed, 73 insertions(+), 42 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 820970911f8b..6d82aefae6e1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -58,20 +58,9 @@ struct vport_addr { bool mc_promisc; }; -enum { - UC_ADDR_CHANGE = BIT(0), - MC_ADDR_CHANGE = BIT(1), - PROMISC_CHANGE = BIT(3), -}; - static void esw_destroy_legacy_fdb_table(struct mlx5_eswitch *esw); static void esw_cleanup_vepa_rules(struct mlx5_eswitch *esw); -/* Vport context events */ -#define SRIOV_VPORT_EVENTS (UC_ADDR_CHANGE | \ - MC_ADDR_CHANGE | \ - PROMISC_CHANGE) - struct mlx5_vport *__must_check mlx5_eswitch_get_vport(struct mlx5_eswitch *esw, u16 vport_num) { @@ -108,13 +97,13 @@ static int arm_vport_context_events_cmd(struct mlx5_core_dev *dev, u16 vport, MLX5_SET(nic_vport_context, nic_vport_ctx, arm_change_event, 1); - if (events_mask & UC_ADDR_CHANGE) + if (events_mask & MLX5_VPORT_UC_ADDR_CHANGE) MLX5_SET(nic_vport_context, nic_vport_ctx, event_on_uc_address_change, 1); - if (events_mask & MC_ADDR_CHANGE) + if (events_mask & MLX5_VPORT_MC_ADDR_CHANGE) MLX5_SET(nic_vport_context, nic_vport_ctx, event_on_mc_address_change, 1); - if (events_mask & PROMISC_CHANGE) + if (events_mask & MLX5_VPORT_PROMISC_CHANGE) MLX5_SET(nic_vport_context, nic_vport_ctx, event_on_promisc_change, 1); @@ -901,21 +890,21 @@ static void esw_vport_change_handle_locked(struct mlx5_vport *vport) esw_debug(dev, "vport[%d] Context Changed: perm mac: %pM\n", vport->vport, mac); - if (vport->enabled_events & UC_ADDR_CHANGE) { + if (vport->enabled_events & MLX5_VPORT_UC_ADDR_CHANGE) { esw_update_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_UC); esw_apply_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_UC); } - if (vport->enabled_events & MC_ADDR_CHANGE) + if (vport->enabled_events & MLX5_VPORT_MC_ADDR_CHANGE) esw_update_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_MC); - if (vport->enabled_events & PROMISC_CHANGE) { + if (vport->enabled_events & MLX5_VPORT_PROMISC_CHANGE) { esw_update_vport_rx_mode(esw, vport); if (!IS_ERR_OR_NULL(vport->allmulti_rule)) esw_update_vport_mc_promisc(esw, vport); } - if (vport->enabled_events & (PROMISC_CHANGE | MC_ADDR_CHANGE)) + if (vport->enabled_events & (MLX5_VPORT_PROMISC_CHANGE | MLX5_VPORT_MC_ADDR_CHANGE)) esw_apply_vport_addr_list(esw, vport, MLX5_NVPRT_LIST_TYPE_MC); esw_debug(esw->dev, "vport[%d] Context Changed: Done\n", vport->vport); @@ -1649,7 +1638,7 @@ static void esw_vport_destroy_drop_counters(struct mlx5_vport *vport) } static void esw_enable_vport(struct mlx5_eswitch *esw, struct mlx5_vport *vport, - int enable_events) + enum mlx5_eswitch_vport_event enabled_events) { u16 vport_num = vport->vport; @@ -1671,7 +1660,7 @@ static void esw_enable_vport(struct mlx5_eswitch *esw, struct mlx5_vport *vport, esw_warn(esw->dev, "Failed to attach vport %d to eswitch rate limiter", vport_num); /* Sync with current vport context */ - vport->enabled_events = enable_events; + vport->enabled_events = enabled_events; vport->enabled = true; /* Esw manager is trusted by default. Host PF (vport 0) is trusted as well @@ -1800,11 +1789,51 @@ static void mlx5_eswitch_event_handlers_unregister(struct mlx5_eswitch *esw) /* Public E-Switch API */ #define ESW_ALLOWED(esw) ((esw) && MLX5_ESWITCH_MANAGER((esw)->dev)) -int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode) +/* mlx5_eswitch_enable_pf_vf_vports() enables vports of PF, ECPF and VFs + * whichever are present on the eswitch. + */ +void +mlx5_eswitch_enable_pf_vf_vports(struct mlx5_eswitch *esw, + enum mlx5_eswitch_vport_event enabled_events) { struct mlx5_vport *vport; + int i; + + /* Enable PF vport */ + vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_PF); + esw_enable_vport(esw, vport, enabled_events); + + /* Enable ECPF vports */ + if (mlx5_ecpf_vport_exists(esw->dev)) { + vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_ECPF); + esw_enable_vport(esw, vport, enabled_events); + } + + /* Enable VF vports */ + mlx5_esw_for_each_vf_vport(esw, i, vport, esw->esw_funcs.num_vfs) + esw_enable_vport(esw, vport, enabled_events); +} + +/* mlx5_eswitch_disable_pf_vf_vports() disables vports of PF, ECPF and VFs + * whichever are previously enabled on the eswitch. + */ +void mlx5_eswitch_disable_pf_vf_vports(struct mlx5_eswitch *esw) +{ + struct mlx5_vport *vport; + int i; + + mlx5_esw_for_all_vports_reverse(esw, i, vport) + esw_disable_vport(esw, vport); +} + +#define MLX5_LEGACY_SRIOV_VPORT_EVENTS (MLX5_VPORT_UC_ADDR_CHANGE | \ + MLX5_VPORT_MC_ADDR_CHANGE | \ + MLX5_VPORT_PROMISC_CHANGE) + +int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode) +{ + int enabled_events; int err; - int i, enabled_events; if (!ESW_ALLOWED(esw) || !MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, ft_support)) { @@ -1837,22 +1866,10 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode) if (err) goto abort; - enabled_events = (mode == MLX5_ESWITCH_LEGACY) ? SRIOV_VPORT_EVENTS : - UC_ADDR_CHANGE; + enabled_events = (mode == MLX5_ESWITCH_LEGACY) ? MLX5_LEGACY_SRIOV_VPORT_EVENTS : + MLX5_VPORT_UC_ADDR_CHANGE; - /* Enable PF vport */ - vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_PF); - esw_enable_vport(esw, vport, enabled_events); - - /* Enable ECPF vports */ - if (mlx5_ecpf_vport_exists(esw->dev)) { - vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_ECPF); - esw_enable_vport(esw, vport, enabled_events); - } - - /* Enable VF vports */ - mlx5_esw_for_each_vf_vport(esw, i, vport, esw->esw_funcs.num_vfs) - esw_enable_vport(esw, vport, enabled_events); + mlx5_eswitch_enable_pf_vf_vports(esw, enabled_events); mlx5_eswitch_event_handlers_register(esw); @@ -1876,9 +1893,7 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode) void mlx5_eswitch_disable(struct mlx5_eswitch *esw) { struct esw_mc_addr *mc_promisc; - struct mlx5_vport *vport; int old_mode; - int i; if (!ESW_ALLOWED(esw) || esw->mode == MLX5_ESWITCH_NONE) return; @@ -1890,8 +1905,7 @@ void mlx5_eswitch_disable(struct mlx5_eswitch *esw) mc_promisc = &esw->mc_promisc; mlx5_eswitch_event_handlers_unregister(esw); - mlx5_esw_for_all_vports(esw, i, vport) - esw_disable_vport(esw, vport); + mlx5_eswitch_disable_pf_vf_vports(esw); if (mc_promisc && mc_promisc->uplink_rule) mlx5_del_flow_rules(mc_promisc->uplink_rule); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index a38e8a3c7c9a..3103a34c619c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -101,6 +101,13 @@ struct mlx5_vport_info { bool trusted; }; +/* Vport context events */ +enum mlx5_eswitch_vport_event { + MLX5_VPORT_UC_ADDR_CHANGE = BIT(0), + MLX5_VPORT_MC_ADDR_CHANGE = BIT(1), + MLX5_VPORT_PROMISC_CHANGE = BIT(3), +}; + struct mlx5_vport { struct mlx5_core_dev *dev; int vport; @@ -122,7 +129,7 @@ struct mlx5_vport { } qos; bool enabled; - u16 enabled_events; + enum mlx5_eswitch_vport_event enabled_events; }; enum offloads_fdb_flags { @@ -513,6 +520,11 @@ void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw); (vport) = &(esw)->vports[i], \ (i) < (esw)->total_vports; (i)++) +#define mlx5_esw_for_all_vports_reverse(esw, i, vport) \ + for ((i) = (esw)->total_vports - 1; \ + (vport) = &(esw)->vports[i], \ + (i) >= MLX5_VPORT_PF; (i)--) + #define mlx5_esw_for_each_vf_vport(esw, i, vport, nvfs) \ for ((i) = MLX5_VPORT_FIRST_VF; \ (vport) = &(esw)->vports[(i)], \ @@ -574,6 +586,11 @@ bool mlx5_eswitch_is_vf_vport(const struct mlx5_eswitch *esw, u16 vport_num); void mlx5_eswitch_update_num_of_vfs(struct mlx5_eswitch *esw, const int num_vfs); int mlx5_esw_funcs_changed_handler(struct notifier_block *nb, unsigned long type, void *data); +void +mlx5_eswitch_enable_pf_vf_vports(struct mlx5_eswitch *esw, + enum mlx5_eswitch_vport_event enabled_events); +void mlx5_eswitch_disable_pf_vf_vports(struct mlx5_eswitch *esw); + #else /* CONFIG_MLX5_ESWITCH */ /* eswitch API stubs */ static inline int mlx5_eswitch_init(struct mlx5_core_dev *dev) { return 0; } From 9ddb830a14dbd88308354d27cd17009fc97d3a6f Mon Sep 17 00:00:00 2001 From: Saeed Mahameed Date: Mon, 29 Jul 2019 21:13:08 +0000 Subject: [PATCH 10/18] net/mlx5: E-Switch, remove redundant error handling We don't need to handle error flow of esw_create_legacy_table() in the same branch, it is already being handled directly after the if statement, for both legacy and switchdev modes in one place. Signed-off-by: Saeed Mahameed Reviewed-by: Roi Dayan Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 6d82aefae6e1..17fb982b3489 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1855,8 +1855,6 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode) if (mode == MLX5_ESWITCH_LEGACY) { err = esw_create_legacy_table(esw); - if (err) - goto abort; } else { mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_ETH); mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_IB); From 131ce7014043087fbeddbcb3b8dac8891cd0e0fe Mon Sep 17 00:00:00 2001 From: Parav Pandit Date: Mon, 29 Jul 2019 21:13:10 +0000 Subject: [PATCH 11/18] net/mlx5: E-Switch, Remove redundant mc_promisc NULL check mc_promisc pointer points to an instance of struct esw_mc_addr allocated as part of the esw structure. Hence it cannot be NULL. Removed such redundant check and assign where it is actually used. While at it, add comment around legacy mode fields and move mc_promisc close to other legacy mode structures to improve code redability. Signed-off-by: Parav Pandit Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 4 ++-- drivers/net/ethernet/mellanox/mlx5/core/eswitch.h | 4 +++- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 17fb982b3489..90d150be237b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1900,12 +1900,12 @@ void mlx5_eswitch_disable(struct mlx5_eswitch *esw) esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS", esw->esw_funcs.num_vfs, esw->enabled_vports); - mc_promisc = &esw->mc_promisc; mlx5_eswitch_event_handlers_unregister(esw); mlx5_eswitch_disable_pf_vf_vports(esw); - if (mc_promisc && mc_promisc->uplink_rule) + mc_promisc = &esw->mc_promisc; + if (mc_promisc->uplink_rule) mlx5_del_flow_rules(mc_promisc->uplink_rule); if (esw->mode == MLX5_ESWITCH_LEGACY) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index 3103a34c619c..51b6d29466f1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -214,8 +214,11 @@ enum { struct mlx5_eswitch { struct mlx5_core_dev *dev; struct mlx5_nb nb; + /* legacy data structures */ struct mlx5_eswitch_fdb fdb_table; struct hlist_head mc_table[MLX5_L2_ADDR_HASH_SIZE]; + struct esw_mc_addr mc_promisc; + /* end of legacy */ struct workqueue_struct *work_queue; struct mlx5_vport *vports; u32 flags; @@ -225,7 +228,6 @@ struct mlx5_eswitch { * and async SRIOV admin state changes */ struct mutex state_lock; - struct esw_mc_addr mc_promisc; struct { bool enabled; From 5896b97296a7928035590ff3f477629774dce250 Mon Sep 17 00:00:00 2001 From: Parav Pandit Date: Mon, 29 Jul 2019 21:13:12 +0000 Subject: [PATCH 12/18] net/mlx5: E-switch, Tide up eswitch config sequence Currently for PF and ECPF vports, representors are created before their eswitch hardware ports are initialized in below flow. mlx5_eswitch_enable() esw_offloads_init() esw_offloads_load_all_reps() [..] esw_enable_vport() However for VFs, vports are initialized before creating their respective netdev represnetors in event handling context. Similarly while disabling eswitch, first hardware vports are disabled, followed by destroying their representors. Here while underlying vports gets destroyed but its respective user facing netdevice can still exist on which user can continue to perform more offload operations. Instead, its more accurate to do enable_eswitch switchdev mode: 1. perform FDB tables initialization 2. initialize hw vport 3. create and publish representor for this vport disable_eswitch switchdev mode: 1. destroy user facing representor for the vport 2. disable hw vport 3. perform FDB tables cleanup Signed-off-by: Parav Pandit Signed-off-by: Saeed Mahameed --- .../net/ethernet/mellanox/mlx5/core/eswitch.c | 54 +++++++++++-------- .../net/ethernet/mellanox/mlx5/core/eswitch.h | 4 +- .../mellanox/mlx5/core/eswitch_offloads.c | 8 ++- 3 files changed, 41 insertions(+), 25 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 90d150be237b..d4465dd18c11 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -452,6 +452,22 @@ static int esw_create_legacy_table(struct mlx5_eswitch *esw) return err; } +#define MLX5_LEGACY_SRIOV_VPORT_EVENTS (MLX5_VPORT_UC_ADDR_CHANGE | \ + MLX5_VPORT_MC_ADDR_CHANGE | \ + MLX5_VPORT_PROMISC_CHANGE) + +static int esw_legacy_enable(struct mlx5_eswitch *esw) +{ + int ret; + + ret = esw_create_legacy_table(esw); + if (ret) + return ret; + + mlx5_eswitch_enable_pf_vf_vports(esw, MLX5_LEGACY_SRIOV_VPORT_EVENTS); + return 0; +} + static void esw_destroy_legacy_table(struct mlx5_eswitch *esw) { esw_cleanup_vepa_rules(esw); @@ -459,6 +475,19 @@ static void esw_destroy_legacy_table(struct mlx5_eswitch *esw) esw_destroy_legacy_vepa_table(esw); } +static void esw_legacy_disable(struct mlx5_eswitch *esw) +{ + struct esw_mc_addr *mc_promisc; + + mlx5_eswitch_disable_pf_vf_vports(esw); + + mc_promisc = &esw->mc_promisc; + if (mc_promisc->uplink_rule) + mlx5_del_flow_rules(mc_promisc->uplink_rule); + + esw_destroy_legacy_table(esw); +} + /* E-Switch vport UC/MC lists management */ typedef int (*vport_addr_action)(struct mlx5_eswitch *esw, struct vport_addr *vaddr); @@ -1826,13 +1855,8 @@ void mlx5_eswitch_disable_pf_vf_vports(struct mlx5_eswitch *esw) esw_disable_vport(esw, vport); } -#define MLX5_LEGACY_SRIOV_VPORT_EVENTS (MLX5_VPORT_UC_ADDR_CHANGE | \ - MLX5_VPORT_MC_ADDR_CHANGE | \ - MLX5_VPORT_PROMISC_CHANGE) - int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode) { - int enabled_events; int err; if (!ESW_ALLOWED(esw) || @@ -1854,21 +1878,16 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode) mlx5_lag_update(esw->dev); if (mode == MLX5_ESWITCH_LEGACY) { - err = esw_create_legacy_table(esw); + err = esw_legacy_enable(esw); } else { mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_ETH); mlx5_reload_interface(esw->dev, MLX5_INTERFACE_PROTOCOL_IB); - err = esw_offloads_init(esw); + err = esw_offloads_enable(esw); } if (err) goto abort; - enabled_events = (mode == MLX5_ESWITCH_LEGACY) ? MLX5_LEGACY_SRIOV_VPORT_EVENTS : - MLX5_VPORT_UC_ADDR_CHANGE; - - mlx5_eswitch_enable_pf_vf_vports(esw, enabled_events); - mlx5_eswitch_event_handlers_register(esw); esw_info(esw->dev, "Enable: mode(%s), nvfs(%d), active vports(%d)\n", @@ -1890,7 +1909,6 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int mode) void mlx5_eswitch_disable(struct mlx5_eswitch *esw) { - struct esw_mc_addr *mc_promisc; int old_mode; if (!ESW_ALLOWED(esw) || esw->mode == MLX5_ESWITCH_NONE) @@ -1902,16 +1920,10 @@ void mlx5_eswitch_disable(struct mlx5_eswitch *esw) mlx5_eswitch_event_handlers_unregister(esw); - mlx5_eswitch_disable_pf_vf_vports(esw); - - mc_promisc = &esw->mc_promisc; - if (mc_promisc->uplink_rule) - mlx5_del_flow_rules(mc_promisc->uplink_rule); - if (esw->mode == MLX5_ESWITCH_LEGACY) - esw_destroy_legacy_table(esw); + esw_legacy_disable(esw); else if (esw->mode == MLX5_ESWITCH_OFFLOADS) - esw_offloads_cleanup(esw); + esw_offloads_disable(esw); esw_destroy_tsar(esw); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index 51b6d29466f1..d447e1e44d59 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -242,8 +242,8 @@ struct mlx5_eswitch { struct mlx5_esw_functions esw_funcs; }; -void esw_offloads_cleanup(struct mlx5_eswitch *esw); -int esw_offloads_init(struct mlx5_eswitch *esw); +void esw_offloads_disable(struct mlx5_eswitch *esw); +int esw_offloads_enable(struct mlx5_eswitch *esw); void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw); int esw_offloads_init_reps(struct mlx5_eswitch *esw); void esw_vport_cleanup_ingress_rules(struct mlx5_eswitch *esw, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 4be19890f725..db01b8ee9385 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -2104,7 +2104,7 @@ int mlx5_esw_funcs_changed_handler(struct notifier_block *nb, unsigned long type return NOTIFY_OK; } -int esw_offloads_init(struct mlx5_eswitch *esw) +int esw_offloads_enable(struct mlx5_eswitch *esw) { int err; @@ -2122,6 +2122,8 @@ int esw_offloads_init(struct mlx5_eswitch *esw) if (err) goto err_vport_metadata; + mlx5_eswitch_enable_pf_vf_vports(esw, MLX5_VPORT_UC_ADDR_CHANGE); + err = esw_offloads_load_all_reps(esw); if (err) goto err_reps; @@ -2134,6 +2136,7 @@ int esw_offloads_init(struct mlx5_eswitch *esw) return 0; err_reps: + mlx5_eswitch_disable_pf_vf_vports(esw); esw_set_passing_vport_metadata(esw, false); err_vport_metadata: esw_offloads_steering_cleanup(esw); @@ -2159,11 +2162,12 @@ static int esw_offloads_stop(struct mlx5_eswitch *esw, return err; } -void esw_offloads_cleanup(struct mlx5_eswitch *esw) +void esw_offloads_disable(struct mlx5_eswitch *esw) { mlx5_rdma_disable_roce(esw->dev); esw_offloads_devcom_cleanup(esw); esw_offloads_unload_all_reps(esw); + mlx5_eswitch_disable_pf_vf_vports(esw); esw_set_passing_vport_metadata(esw, false); esw_offloads_steering_cleanup(esw); esw->offloads.encap = DEVLINK_ESWITCH_ENCAP_MODE_NONE; From ea77388b02270b0af8dc57f668f311235ea068f0 Mon Sep 17 00:00:00 2001 From: Mark Zhang Date: Wed, 31 Jul 2019 14:40:13 +0300 Subject: [PATCH 13/18] net/mlx5: Fix mlx5_ifc_query_lag_out_bits Remove the "reserved_at_40" field to match the device specification. Fixes: 84df61ebc69b ("net/mlx5: Add HW interfaces used by LAG") Signed-off-by: Mark Zhang Reviewed-by: Yishai Hadas Signed-off-by: Leon Romanovsky --- include/linux/mlx5/mlx5_ifc.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 30d15e80bcc7..1f9d4a8e6227 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -9592,8 +9592,6 @@ struct mlx5_ifc_query_lag_out_bits { u8 syndrome[0x20]; - u8 reserved_at_40[0x40]; - struct mlx5_ifc_lagc_bits ctx; }; From 7084ed30ae2aba4efb4d3ef72c0e7042644e7637 Mon Sep 17 00:00:00 2001 From: Mark Zhang Date: Wed, 31 Jul 2019 14:40:14 +0300 Subject: [PATCH 14/18] IB/mlx5: Support MLX5_CMD_OP_QUERY_LAG as a DEVX general command The "MLX5_CMD_OP_QUERY_LAG" is one of the DEVX general commands, add it. Fixes: 8aa8c95ce4cc ("IB/mlx5: Add support for DEVX general command") Signed-off-by: Mark Zhang Reviewed-by: Yishai Hadas Signed-off-by: Leon Romanovsky --- drivers/infiniband/hw/mlx5/devx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c index ec4370f99381..48968b4d561d 100644 --- a/drivers/infiniband/hw/mlx5/devx.c +++ b/drivers/infiniband/hw/mlx5/devx.c @@ -922,6 +922,7 @@ static bool devx_is_general_cmd(void *in, struct mlx5_ib_dev *dev) case MLX5_CMD_OP_QUERY_CONG_STATUS: case MLX5_CMD_OP_QUERY_CONG_PARAMS: case MLX5_CMD_OP_QUERY_CONG_STATISTICS: + case MLX5_CMD_OP_QUERY_LAG: return true; default: return false; From 694a296024d4cd5e637fa679c4c7e4c63a7c24f3 Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Fri, 2 Aug 2019 16:13:16 +0100 Subject: [PATCH 15/18] net/mlx5: remove self-assignment on esw->dev There is a self assignment of esw->dev to itself, clean this up by removing it. Also make dev a const pointer. Addresses-Coverity: ("Self assignment") Fixes: 6cedde451399 ("net/mlx5: E-Switch, Verify support QoS element type") Signed-off-by: Colin Ian King Reviewed-by: Parav Pandit Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index d4465dd18c11..81e03e493a01 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1413,7 +1413,7 @@ static int esw_vport_egress_config(struct mlx5_eswitch *esw, static bool element_type_supported(struct mlx5_eswitch *esw, int type) { - struct mlx5_core_dev *dev = esw->dev = esw->dev; + const struct mlx5_core_dev *dev = esw->dev; switch (type) { case SCHEDULING_CONTEXT_ELEMENT_TYPE_TSAR: From 94f3e14e00fd43024b1c4d8e0c1e442db9b4d964 Mon Sep 17 00:00:00 2001 From: Chuhong Yuan Date: Tue, 6 Aug 2019 09:59:50 +0800 Subject: [PATCH 16/18] mlx5: Use refcount_t for refcount Reference counters are preferred to use refcount_t instead of atomic_t. This is because the implementation of refcount_t can prevent overflows and detect possible use-after-free. So convert atomic_t ref counters to refcount_t. Signed-off-by: Chuhong Yuan Acked-by: Leon Romanovsky Signed-off-by: Saeed Mahameed --- drivers/infiniband/hw/mlx5/srq_cmd.c | 6 +++--- drivers/net/ethernet/mellanox/mlx5/core/qp.c | 6 +++--- include/linux/mlx5/driver.h | 3 ++- 3 files changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/infiniband/hw/mlx5/srq_cmd.c b/drivers/infiniband/hw/mlx5/srq_cmd.c index b0d0687c7a68..8fc3630a9d4c 100644 --- a/drivers/infiniband/hw/mlx5/srq_cmd.c +++ b/drivers/infiniband/hw/mlx5/srq_cmd.c @@ -86,7 +86,7 @@ struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn) xa_lock(&table->array); srq = xa_load(&table->array, srqn); if (srq) - atomic_inc(&srq->common.refcount); + refcount_inc(&srq->common.refcount); xa_unlock(&table->array); return srq; @@ -592,7 +592,7 @@ int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, if (err) return err; - atomic_set(&srq->common.refcount, 1); + refcount_set(&srq->common.refcount, 1); init_completion(&srq->common.free); err = xa_err(xa_store_irq(&table->array, srq->srqn, srq, GFP_KERNEL)); @@ -675,7 +675,7 @@ static int srq_event_notifier(struct notifier_block *nb, xa_lock(&table->array); srq = xa_load(&table->array, srqn); if (srq) - atomic_inc(&srq->common.refcount); + refcount_inc(&srq->common.refcount); xa_unlock(&table->array); if (!srq) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/net/ethernet/mellanox/mlx5/core/qp.c index b8ba74de9555..7b44d1e49604 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c @@ -53,7 +53,7 @@ mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn) common = radix_tree_lookup(&table->tree, rsn); if (common) - atomic_inc(&common->refcount); + refcount_inc(&common->refcount); spin_unlock_irqrestore(&table->lock, flags); @@ -62,7 +62,7 @@ mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn) void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common) { - if (atomic_dec_and_test(&common->refcount)) + if (refcount_dec_and_test(&common->refcount)) complete(&common->free); } @@ -209,7 +209,7 @@ static int create_resource_common(struct mlx5_core_dev *dev, if (err) return err; - atomic_set(&qp->common.refcount, 1); + refcount_set(&qp->common.refcount, 1); init_completion(&qp->common.free); qp->pid = current->pid; diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 267b2bc0ca4a..0acd28f2e62c 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -47,6 +47,7 @@ #include #include #include +#include #include #include @@ -398,7 +399,7 @@ enum mlx5_res_type { struct mlx5_core_rsc_common { enum mlx5_res_type res; - atomic_t refcount; + refcount_t refcount; struct completion free; }; From 647d58a989b3b0b788c721a08394aec825e3438c Mon Sep 17 00:00:00 2001 From: Yishai Hadas Date: Thu, 8 Aug 2019 11:43:55 +0300 Subject: [PATCH 17/18] net/mlx5: Use debug message instead of warn As QP may be created by DEVX, it may be valid to not find the rsn in mlx5 core tree, change the level to be debug. Signed-off-by: Yishai Hadas Reviewed-by: Saeed Mahameed Signed-off-by: Leon Romanovsky --- drivers/net/ethernet/mellanox/mlx5/core/qp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/net/ethernet/mellanox/mlx5/core/qp.c index 7b44d1e49604..c3aea4cc2fff 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c @@ -162,7 +162,7 @@ static int rsc_event_notifier(struct notifier_block *nb, common = mlx5_get_rsc(table, rsn); if (!common) { - mlx5_core_warn(dev, "Async event for bogus resource 0x%x\n", rsn); + mlx5_core_dbg(dev, "Async event for unknown resource 0x%x\n", rsn); return NOTIFY_OK; } From b1635ee6120cbeb3de6ab270432b2a2b839c9c56 Mon Sep 17 00:00:00 2001 From: Yishai Hadas Date: Thu, 8 Aug 2019 11:43:56 +0300 Subject: [PATCH 18/18] net/mlx5: Add XRQ legacy commands opcodes Add XRQ legacy commands opcodes, will be used via the DEVX interface. Signed-off-by: Yishai Hadas Reviewed-by: Saeed Mahameed Signed-off-by: Leon Romanovsky --- drivers/net/ethernet/mellanox/mlx5/core/cmd.c | 4 ++++ include/linux/mlx5/mlx5_ifc.h | 2 ++ 2 files changed, 6 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 8cdd7e66f8df..53d09620e215 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -446,6 +446,8 @@ static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, case MLX5_CMD_OP_CREATE_UMEM: case MLX5_CMD_OP_DESTROY_UMEM: case MLX5_CMD_OP_ALLOC_MEMIC: + case MLX5_CMD_OP_MODIFY_XRQ: + case MLX5_CMD_OP_RELEASE_XRQ_ERROR: *status = MLX5_DRIVER_STATUS_ABORTED; *synd = MLX5_DRIVER_SYND; return -EIO; @@ -637,6 +639,8 @@ const char *mlx5_command_str(int command) MLX5_COMMAND_STR_CASE(DESTROY_UCTX); MLX5_COMMAND_STR_CASE(CREATE_UMEM); MLX5_COMMAND_STR_CASE(DESTROY_UMEM); + MLX5_COMMAND_STR_CASE(RELEASE_XRQ_ERROR); + MLX5_COMMAND_STR_CASE(MODIFY_XRQ); default: return "unknown command opcode"; } } diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 1f9d4a8e6227..ab6ae723aae6 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -172,6 +172,8 @@ enum { MLX5_CMD_OP_QUERY_XRQ_DC_PARAMS_ENTRY = 0x725, MLX5_CMD_OP_SET_XRQ_DC_PARAMS_ENTRY = 0x726, MLX5_CMD_OP_QUERY_XRQ_ERROR_PARAMS = 0x727, + MLX5_CMD_OP_RELEASE_XRQ_ERROR = 0x729, + MLX5_CMD_OP_MODIFY_XRQ = 0x72a, MLX5_CMD_OP_QUERY_ESW_FUNCTIONS = 0x740, MLX5_CMD_OP_QUERY_VPORT_STATE = 0x750, MLX5_CMD_OP_MODIFY_VPORT_STATE = 0x751,