From 3db55f8cc8d329a97e06fb44347b64a0ca44e780 Mon Sep 17 00:00:00 2001 From: Vlad Dogaru Date: Thu, 10 Apr 2025 22:17:42 +0300 Subject: [PATCH] net/mlx5: HWS, Export action STE tables to debugfs Introduce a new type of dump object and dump all action STE tables, along with information on their RTCs and STEs. Signed-off-by: Vlad Dogaru Reviewed-by: Hamdan Agbariya Reviewed-by: Mark Bloch Signed-off-by: Tariq Toukan Reviewed-by: Michal Kubiak Link: https://patch.msgid.link/1744312662-356571-13-git-send-email-tariqt@nvidia.com Signed-off-by: Jakub Kicinski --- .../mellanox/mlx5/core/steering/hws/debug.c | 36 ++++++++++++++++++- .../mellanox/mlx5/core/steering/hws/debug.h | 2 ++ 2 files changed, 37 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/debug.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/debug.c index 38f75dec9cfc4..91568d6c1dac9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/debug.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/debug.c @@ -387,10 +387,41 @@ static int hws_debug_dump_context_stc(struct seq_file *f, struct mlx5hws_context return 0; } +static void +hws_debug_dump_action_ste_table(struct seq_file *f, + struct mlx5hws_action_ste_table *action_tbl) +{ + int ste_0_id = mlx5hws_pool_get_base_id(action_tbl->pool); + int ste_1_id = mlx5hws_pool_get_base_mirror_id(action_tbl->pool); + + seq_printf(f, "%d,0x%llx,%d,%d,%d,%d\n", + MLX5HWS_DEBUG_RES_TYPE_ACTION_STE_TABLE, + HWS_PTR_TO_ID(action_tbl), + action_tbl->rtc_0_id, ste_0_id, + action_tbl->rtc_1_id, ste_1_id); +} + +static void hws_debug_dump_action_ste_pool(struct seq_file *f, + struct mlx5hws_action_ste_pool *pool) +{ + struct mlx5hws_action_ste_table *action_tbl; + enum mlx5hws_pool_optimize opt; + + mutex_lock(&pool->lock); + for (opt = MLX5HWS_POOL_OPTIMIZE_NONE; opt < MLX5HWS_POOL_OPTIMIZE_MAX; + opt++) { + list_for_each_entry(action_tbl, &pool->elems[opt].available, + list_node) { + hws_debug_dump_action_ste_table(f, action_tbl); + } + } + mutex_unlock(&pool->lock); +} + static int hws_debug_dump_context(struct seq_file *f, struct mlx5hws_context *ctx) { struct mlx5hws_table *tbl; - int ret; + int ret, i; ret = hws_debug_dump_context_info(f, ctx); if (ret) @@ -410,6 +441,9 @@ static int hws_debug_dump_context(struct seq_file *f, struct mlx5hws_context *ct return ret; } + for (i = 0; i < ctx->queues; i++) + hws_debug_dump_action_ste_pool(f, &ctx->action_ste_pool[i]); + return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/debug.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/debug.h index e44e7ae28f93e..89c396f9f2660 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/debug.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/debug.h @@ -26,6 +26,8 @@ enum mlx5hws_debug_res_type { MLX5HWS_DEBUG_RES_TYPE_MATCHER_TEMPLATE_HASH_DEFINER = 4205, MLX5HWS_DEBUG_RES_TYPE_MATCHER_TEMPLATE_RANGE_DEFINER = 4206, MLX5HWS_DEBUG_RES_TYPE_MATCHER_TEMPLATE_COMPARE_MATCH_DEFINER = 4207, + + MLX5HWS_DEBUG_RES_TYPE_ACTION_STE_TABLE = 4300, }; static inline u64 -- 2.39.5