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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge2.nvidia.com; CAT:NONE; SFS:(13230040)(82310400026)(1800799024)(376014)(36860700013); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Oct 2024 16:36:43.6708 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 590e2e66-b374-41e4-d099-08dced378dcf X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1PEPF000042A7.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4294 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Hamdan Igbaria introduce STE array matcher, where this matcher can only be isolated under a parent table and not chained to the table matchers chain. Signed-off-by: Hamdan Igbaria --- drivers/net/mlx5/hws/mlx5dr.h | 13 +++++- drivers/net/mlx5/hws/mlx5dr_debug.c | 12 +++++- drivers/net/mlx5/hws/mlx5dr_matcher.c | 58 +++++++++++++++++++++++-- drivers/net/mlx5/hws/mlx5dr_matcher.h | 6 +++ drivers/net/mlx5/hws/mlx5dr_rule.c | 2 +- drivers/net/mlx5/hws/mlx5dr_table.c | 61 +++++++++++++++++++-------- drivers/net/mlx5/hws/mlx5dr_table.h | 8 +++- drivers/net/mlx5/mlx5_flow_hw.c | 2 + 8 files changed, 135 insertions(+), 27 deletions(-) diff --git a/drivers/net/mlx5/hws/mlx5dr.h b/drivers/net/mlx5/hws/mlx5dr.h index 0fe39e9c76..8a1a389a3f 100644 --- a/drivers/net/mlx5/hws/mlx5dr.h +++ b/drivers/net/mlx5/hws/mlx5dr.h @@ -130,6 +130,14 @@ enum mlx5dr_matcher_distribute_mode { MLX5DR_MATCHER_DISTRIBUTE_BY_LINEAR = 0x1, }; +/* Match mode describes the behavior of the matcher STE's when a packet arrives */ +enum mlx5dr_matcher_match_mode { + /* Packet arriving at this matcher STE's will match according it's tag and match definer */ + MLX5DR_MATCHER_MATCH_MODE_DEFAULT = 0x0, + /* Packet arriving at this matcher STE's will always hit and perform the actions */ + MLX5DR_MATCHER_MATCH_MODE_ALWAYS_HIT = 0x1, +}; + enum mlx5dr_rule_hash_calc_mode { MLX5DR_RULE_HASH_CALC_MODE_RAW, MLX5DR_RULE_HASH_CALC_MODE_IDX, @@ -144,11 +152,14 @@ struct mlx5dr_matcher_attr { enum mlx5dr_matcher_resource_mode mode; /* Optimize insertion in case packet origin is the same for all rules */ enum mlx5dr_matcher_flow_src optimize_flow_src; - /* Define the insertion and distribution modes for this matcher */ + /* Define the insertion, distribution and match modes for this matcher */ enum mlx5dr_matcher_insert_mode insert_mode; enum mlx5dr_matcher_distribute_mode distribute_mode; + enum mlx5dr_matcher_match_mode match_mode; /* Define whether the created matcher supports resizing into a bigger matcher */ bool resizable; + /* This will imply that this matcher is not part of the matchers chain of parent table */ + bool isolated; union { struct { uint8_t sz_row_log; diff --git a/drivers/net/mlx5/hws/mlx5dr_debug.c b/drivers/net/mlx5/hws/mlx5dr_debug.c index 741a725842..f15ad96598 100644 --- a/drivers/net/mlx5/hws/mlx5dr_debug.c +++ b/drivers/net/mlx5/hws/mlx5dr_debug.c @@ -182,7 +182,7 @@ mlx5dr_debug_dump_matcher_attr(FILE *f, struct mlx5dr_matcher *matcher) struct mlx5dr_matcher_attr *attr = &matcher->attr; int ret; - ret = fprintf(f, "%d,0x%" PRIx64 ",%d,%d,%d,%d,%d,%d,%d,%d\n", + ret = fprintf(f, "%d,0x%" PRIx64 ",%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n", MLX5DR_DEBUG_RES_TYPE_MATCHER_ATTR, (uint64_t)(uintptr_t)matcher, attr->priority, @@ -192,7 +192,9 @@ mlx5dr_debug_dump_matcher_attr(FILE *f, struct mlx5dr_matcher *matcher) attr->optimize_using_rule_idx, attr->optimize_flow_src, attr->insert_mode, - attr->distribute_mode); + attr->distribute_mode, + attr->match_mode, + attr->isolated); if (ret < 0) { rte_errno = EINVAL; return rte_errno; @@ -377,6 +379,12 @@ static int mlx5dr_debug_dump_table(FILE *f, struct mlx5dr_table *tbl) return ret; } + LIST_FOREACH(matcher, &tbl->isolated_matchers, next) { + ret = mlx5dr_debug_dump_matcher(f, matcher); + if (ret) + return ret; + } + return 0; out_err: diff --git a/drivers/net/mlx5/hws/mlx5dr_matcher.c b/drivers/net/mlx5/hws/mlx5dr_matcher.c index dfa2cd435c..54460cc82b 100644 --- a/drivers/net/mlx5/hws/mlx5dr_matcher.c +++ b/drivers/net/mlx5/hws/mlx5dr_matcher.c @@ -198,6 +198,18 @@ static int mlx5dr_matcher_connect(struct mlx5dr_matcher *matcher) struct mlx5dr_matcher *tmp_matcher; int ret; + if (matcher->attr.isolated) { + LIST_INSERT_HEAD(&tbl->isolated_matchers, matcher, next); + ret = mlx5dr_table_connect_src_ft_to_miss_table(tbl, matcher->end_ft, + tbl->default_miss.miss_tbl); + if (ret) { + DR_LOG(ERR, "Failed to connect the new matcher to the miss_tbl"); + goto remove_from_list; + } + + return 0; + } + /* Find location in matcher list */ if (LIST_EMPTY(&tbl->head)) { LIST_INSERT_HEAD(&tbl->head, matcher, next); @@ -230,7 +242,7 @@ static int mlx5dr_matcher_connect(struct mlx5dr_matcher *matcher) } } else { /* Connect last matcher to next miss_tbl if exists */ - ret = mlx5dr_table_connect_to_miss_table(tbl, tbl->default_miss.miss_tbl); + ret = mlx5dr_table_connect_to_miss_table(tbl, tbl->default_miss.miss_tbl, true); if (ret) { DR_LOG(ERR, "Failed connect new matcher to miss_tbl"); goto remove_from_list; @@ -284,6 +296,11 @@ static int mlx5dr_matcher_disconnect(struct mlx5dr_matcher *matcher) struct mlx5dr_matcher *next; int ret; + if (matcher->attr.isolated) { + LIST_REMOVE(matcher, next); + return 0; + } + prev_ft = tbl->ft; prev_matcher = LIST_FIRST(&tbl->head); LIST_FOREACH(tmp_matcher, &tbl->head, next) { @@ -309,7 +326,7 @@ static int mlx5dr_matcher_disconnect(struct mlx5dr_matcher *matcher) goto matcher_reconnect; } } else { - ret = mlx5dr_table_connect_to_miss_table(tbl, tbl->default_miss.miss_tbl); + ret = mlx5dr_table_connect_to_miss_table(tbl, tbl->default_miss.miss_tbl, true); if (ret) { DR_LOG(ERR, "Failed to disconnect last matcher"); goto matcher_reconnect; @@ -518,14 +535,17 @@ static int mlx5dr_matcher_create_rtc(struct mlx5dr_matcher *matcher, } } else if (attr->insert_mode == MLX5DR_MATCHER_INSERT_BY_INDEX) { rtc_attr.update_index_mode = MLX5_IFC_RTC_STE_UPDATE_MODE_BY_OFFSET; - rtc_attr.num_hash_definer = 1; if (attr->distribute_mode == MLX5DR_MATCHER_DISTRIBUTE_BY_HASH) { /* Hash Split Table */ + if (mlx5dr_matcher_is_always_hit(matcher)) + rtc_attr.num_hash_definer = 1; + rtc_attr.access_index_mode = MLX5_IFC_RTC_STE_ACCESS_MODE_BY_HASH; rtc_attr.match_definer_0 = mlx5dr_definer_get_id(mt->definer); } else if (attr->distribute_mode == MLX5DR_MATCHER_DISTRIBUTE_BY_LINEAR) { /* Linear Lookup Table */ + rtc_attr.num_hash_definer = 1; rtc_attr.access_index_mode = MLX5_IFC_RTC_STE_ACCESS_MODE_LINEAR; rtc_attr.match_definer_0 = ctx->caps->linear_match_definer; } @@ -973,10 +993,17 @@ mlx5dr_matcher_validate_insert_mode(struct mlx5dr_cmd_query_caps *caps, if (attr->distribute_mode == MLX5DR_MATCHER_DISTRIBUTE_BY_HASH) { /* Hash Split Table */ - if (!caps->rtc_hash_split_table) { + if (attr->match_mode == MLX5DR_MATCHER_MATCH_MODE_ALWAYS_HIT && + !caps->rtc_hash_split_table) { DR_LOG(ERR, "FW doesn't support insert by index and hash distribute"); goto not_supported; } + + if (attr->match_mode == MLX5DR_MATCHER_MATCH_MODE_DEFAULT && + !attr->isolated) { + DR_LOG(ERR, "STE array matcher supported only as an isolated matcher"); + goto not_supported; + } } else if (attr->distribute_mode == MLX5DR_MATCHER_DISTRIBUTE_BY_LINEAR) { /* Linear Lookup Table */ if (!caps->rtc_linear_lookup_table || @@ -991,6 +1018,12 @@ mlx5dr_matcher_validate_insert_mode(struct mlx5dr_cmd_query_caps *caps, MLX5_IFC_RTC_LINEAR_LOOKUP_TBL_LOG_MAX); goto not_supported; } + + if (attr->match_mode != MLX5DR_MATCHER_MATCH_MODE_ALWAYS_HIT) { + DR_LOG(ERR, "Linear lookup tables will always hit, given match mode is not supported %d\n", + attr->match_mode); + goto not_supported; + } } else { DR_LOG(ERR, "Matcher has unsupported distribute mode"); goto not_supported; @@ -1032,6 +1065,11 @@ mlx5dr_matcher_process_attr(struct mlx5dr_cmd_query_caps *caps, DR_LOG(ERR, "Root matcher does not support resizing"); goto not_supported; } + if (attr->isolated) { + DR_LOG(ERR, "Root matcher can not be isolated"); + goto not_supported; + } + return 0; } @@ -1045,6 +1083,18 @@ mlx5dr_matcher_process_attr(struct mlx5dr_cmd_query_caps *caps, attr->insert_mode == MLX5DR_MATCHER_INSERT_BY_HASH) attr->table.sz_col_log = mlx5dr_matcher_rules_to_tbl_depth(attr->rule.num_log); + if (attr->isolated) { + if (attr->insert_mode != MLX5DR_MATCHER_INSERT_BY_INDEX || + attr->distribute_mode != MLX5DR_MATCHER_DISTRIBUTE_BY_HASH || + attr->match_mode != MLX5DR_MATCHER_MATCH_MODE_DEFAULT) { + DR_LOG(ERR, "Isolated matcher only supported for STE array matcher"); + goto not_supported; + } + + /* We reach here only in case of STE array */ + matcher->flags |= MLX5DR_MATCHER_FLAGS_STE_ARRAY; + } + matcher->flags |= attr->resizable ? MLX5DR_MATCHER_FLAGS_RESIZABLE : 0; return mlx5dr_matcher_check_attr_sz(caps, attr); diff --git a/drivers/net/mlx5/hws/mlx5dr_matcher.h b/drivers/net/mlx5/hws/mlx5dr_matcher.h index ca6a5298d9..ef42b7de6b 100644 --- a/drivers/net/mlx5/hws/mlx5dr_matcher.h +++ b/drivers/net/mlx5/hws/mlx5dr_matcher.h @@ -28,6 +28,7 @@ enum mlx5dr_matcher_flags { MLX5DR_MATCHER_FLAGS_COLLISION = 1 << 2, MLX5DR_MATCHER_FLAGS_RESIZABLE = 1 << 3, MLX5DR_MATCHER_FLAGS_COMPARE = 1 << 4, + MLX5DR_MATCHER_FLAGS_STE_ARRAY = 1 << 5, }; struct mlx5dr_match_template { @@ -146,6 +147,11 @@ static inline bool mlx5dr_matcher_is_insert_by_idx(struct mlx5dr_matcher *matche return matcher->attr.insert_mode == MLX5DR_MATCHER_INSERT_BY_INDEX; } +static inline bool mlx5dr_matcher_is_always_hit(struct mlx5dr_matcher *matcher) +{ + return matcher->attr.match_mode == MLX5DR_MATCHER_MATCH_MODE_ALWAYS_HIT; +} + int mlx5dr_matcher_free_rtc_pointing(struct mlx5dr_context *ctx, uint32_t fw_ft_type, enum mlx5dr_table_type type, diff --git a/drivers/net/mlx5/hws/mlx5dr_rule.c b/drivers/net/mlx5/hws/mlx5dr_rule.c index 5d66d81ea5..519328ccf3 100644 --- a/drivers/net/mlx5/hws/mlx5dr_rule.c +++ b/drivers/net/mlx5/hws/mlx5dr_rule.c @@ -539,7 +539,7 @@ static int mlx5dr_rule_create_hws(struct mlx5dr_rule *rule, * will always match and perform the specified actions, which * makes the tag irrelevant. */ - if (likely(!mlx5dr_matcher_is_insert_by_idx(matcher) && !is_update)) + if (likely(!mlx5dr_matcher_is_always_hit(matcher) && !is_update)) mlx5dr_definer_create_tag(items, mt->fc, mt->fc_sz, (uint8_t *)dep_wqe->wqe_data.action); else if (unlikely(is_update)) diff --git a/drivers/net/mlx5/hws/mlx5dr_table.c b/drivers/net/mlx5/hws/mlx5dr_table.c index ab73017ade..634b484a94 100644 --- a/drivers/net/mlx5/hws/mlx5dr_table.c +++ b/drivers/net/mlx5/hws/mlx5dr_table.c @@ -429,7 +429,7 @@ int mlx5dr_table_destroy(struct mlx5dr_table *tbl) { struct mlx5dr_context *ctx = tbl->ctx; pthread_spin_lock(&ctx->ctrl_lock); - if (!LIST_EMPTY(&tbl->head)) { + if (!LIST_EMPTY(&tbl->head) || !LIST_EMPTY(&tbl->isolated_matchers)) { DR_LOG(ERR, "Cannot destroy table containing matchers"); rte_errno = EBUSY; goto unlock_err; @@ -531,7 +531,7 @@ int mlx5dr_table_update_connected_miss_tables(struct mlx5dr_table *dst_tbl) return 0; LIST_FOREACH(src_tbl, &dst_tbl->default_miss.head, default_miss.next) { - ret = mlx5dr_table_connect_to_miss_table(src_tbl, dst_tbl); + ret = mlx5dr_table_connect_to_miss_table(src_tbl, dst_tbl, false); if (ret) { DR_LOG(ERR, "Failed to update source miss table, unexpected behavior"); return ret; @@ -541,34 +541,32 @@ int mlx5dr_table_update_connected_miss_tables(struct mlx5dr_table *dst_tbl) return 0; } -int mlx5dr_table_connect_to_miss_table(struct mlx5dr_table *src_tbl, - struct mlx5dr_table *dst_tbl) +int mlx5dr_table_connect_src_ft_to_miss_table(struct mlx5dr_table *src_tbl, + struct mlx5dr_devx_obj *ft, + struct mlx5dr_table *dst_tbl) { - struct mlx5dr_devx_obj *last_ft; struct mlx5dr_matcher *matcher; int ret; - last_ft = mlx5dr_table_get_last_ft(src_tbl); - if (dst_tbl) { if (LIST_EMPTY(&dst_tbl->head)) { - /* Connect src_tbl last_ft to dst_tbl start anchor */ - ret = mlx5dr_table_ft_set_next_ft(last_ft, + /* Connect src_tbl ft to dst_tbl start anchor */ + ret = mlx5dr_table_ft_set_next_ft(ft, src_tbl->fw_ft_type, dst_tbl->ft->id); if (ret) return ret; - /* Reset last_ft RTC to default RTC */ - ret = mlx5dr_table_ft_set_next_rtc(last_ft, + /* Reset ft RTC to default RTC */ + ret = mlx5dr_table_ft_set_next_rtc(ft, src_tbl->fw_ft_type, NULL, NULL); if (ret) return ret; } else { - /* Connect src_tbl last_ft to first matcher RTC */ + /* Connect src_tbl ft to first matcher RTC */ matcher = LIST_FIRST(&dst_tbl->head); - ret = mlx5dr_table_ft_set_next_rtc(last_ft, + ret = mlx5dr_table_ft_set_next_rtc(ft, src_tbl->fw_ft_type, matcher->match_ste.rtc_0, matcher->match_ste.rtc_1); @@ -576,24 +574,51 @@ int mlx5dr_table_connect_to_miss_table(struct mlx5dr_table *src_tbl, return ret; /* Reset next miss FT to default */ - ret = mlx5dr_table_ft_set_default_next_ft(src_tbl, last_ft); + ret = mlx5dr_table_ft_set_default_next_ft(src_tbl, ft); if (ret) return ret; } } else { /* Reset next miss FT to default */ - ret = mlx5dr_table_ft_set_default_next_ft(src_tbl, last_ft); + ret = mlx5dr_table_ft_set_default_next_ft(src_tbl, ft); if (ret) return ret; - /* Reset last_ft RTC to default RTC */ - ret = mlx5dr_table_ft_set_next_rtc(last_ft, + /* Reset ft RTC to default RTC */ + ret = mlx5dr_table_ft_set_next_rtc(ft, src_tbl->fw_ft_type, NULL, NULL); if (ret) return ret; } + return 0; +} + +int mlx5dr_table_connect_to_miss_table(struct mlx5dr_table *src_tbl, + struct mlx5dr_table *dst_tbl, + bool only_update_last_ft) +{ + struct mlx5dr_matcher *matcher; + struct mlx5dr_devx_obj *ft; + int ret; + + /* Connect last FT in the src_tbl matchers chain */ + ft = mlx5dr_table_get_last_ft(src_tbl); + ret = mlx5dr_table_connect_src_ft_to_miss_table(src_tbl, ft, dst_tbl); + if (ret) + return ret; + + if (!only_update_last_ft) { + /* Connect isolated matchers FT */ + LIST_FOREACH(matcher, &src_tbl->isolated_matchers, next) { + ft = matcher->end_ft; + ret = mlx5dr_table_connect_src_ft_to_miss_table(src_tbl, ft, dst_tbl); + if (ret) + return ret; + } + } + src_tbl->default_miss.miss_tbl = dst_tbl; return 0; @@ -633,7 +658,7 @@ int mlx5dr_table_set_default_miss(struct mlx5dr_table *tbl, pthread_spin_lock(&ctx->ctrl_lock); old_miss_tbl = tbl->default_miss.miss_tbl; - ret = mlx5dr_table_connect_to_miss_table(tbl, miss_tbl); + ret = mlx5dr_table_connect_to_miss_table(tbl, miss_tbl, false); if (ret) goto out; diff --git a/drivers/net/mlx5/hws/mlx5dr_table.h b/drivers/net/mlx5/hws/mlx5dr_table.h index b2fbb47416..32f2574a97 100644 --- a/drivers/net/mlx5/hws/mlx5dr_table.h +++ b/drivers/net/mlx5/hws/mlx5dr_table.h @@ -23,6 +23,7 @@ struct mlx5dr_table { uint32_t fw_ft_type; uint32_t level; LIST_HEAD(matcher_head, mlx5dr_matcher) head; + LIST_HEAD(isolated_matchers_head, mlx5dr_matcher) isolated_matchers; LIST_ENTRY(mlx5dr_table) next; struct mlx5dr_default_miss default_miss; }; @@ -54,7 +55,8 @@ void mlx5dr_table_destroy_default_ft(struct mlx5dr_table *tbl, struct mlx5dr_devx_obj *ft_obj); int mlx5dr_table_connect_to_miss_table(struct mlx5dr_table *src_tbl, - struct mlx5dr_table *dst_tbl); + struct mlx5dr_table *dst_tbl, + bool only_update_last_ft); int mlx5dr_table_update_connected_miss_tables(struct mlx5dr_table *dst_tbl); @@ -66,4 +68,8 @@ int mlx5dr_table_ft_set_next_rtc(struct mlx5dr_devx_obj *ft, struct mlx5dr_devx_obj *rtc_0, struct mlx5dr_devx_obj *rtc_1); +int mlx5dr_table_connect_src_ft_to_miss_table(struct mlx5dr_table *src_tbl, + struct mlx5dr_devx_obj *ft, + struct mlx5dr_table *dst_tbl); + #endif /* MLX5DR_TABLE_H_ */ diff --git a/drivers/net/mlx5/mlx5_flow_hw.c b/drivers/net/mlx5/mlx5_flow_hw.c index c5ddd1d404..b9807f347d 100644 --- a/drivers/net/mlx5/mlx5_flow_hw.c +++ b/drivers/net/mlx5/mlx5_flow_hw.c @@ -5157,6 +5157,8 @@ flow_hw_table_create(struct rte_eth_dev *dev, matcher_attr.optimize_using_rule_idx = true; matcher_attr.mode = MLX5DR_MATCHER_RESOURCE_MODE_RULE; matcher_attr.insert_mode = flow_hw_matcher_insert_mode_get(attr->insertion_type); + if (matcher_attr.insert_mode == MLX5DR_MATCHER_INSERT_BY_INDEX) + matcher_attr.match_mode = MLX5DR_MATCHER_MATCH_MODE_ALWAYS_HIT; if (attr->hash_func == RTE_FLOW_TABLE_HASH_FUNC_CRC16) { DRV_LOG(ERR, "16-bit checksum hash type is not supported"); rte_errno = ENOTSUP; -- 2.18.2