From 83591e87d75f1fbe1bad278c3b590cc83e85c276 Mon Sep 17 00:00:00 2001 From: Kamal Heib Date: Thu, 16 Apr 2026 17:41:59 -0400 Subject: [PATCH] net/mlx5: HWS, Fix pool size optimization JIRA: https://redhat.atlassian.net/browse/RHEL-169055 commit a68334f9750f41fc36990840090ef9dbee1e2c7e Author: Vlad Dogaru Date: Thu Apr 10 22:17:37 2025 +0300 net/mlx5: HWS, Fix pool size optimization The optimization to create a size-one STE range for the unused direction was broken. The hardware prevents us from creating RTCs over unallocated STE space, so the only reason this has worked so far is because the optimization was never used. Signed-off-by: Vlad Dogaru Reviewed-by: Yevgeny Kliteynik Reviewed-by: Mark Bloch Signed-off-by: Tariq Toukan Reviewed-by: Michal Kubiak Link: https://patch.msgid.link/1744312662-356571-8-git-send-email-tariqt@nvidia.com Signed-off-by: Jakub Kicinski Signed-off-by: Kamal Heib diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pool.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pool.c index 26d85fe3c417..7e37d6e9eb83 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/pool.c @@ -80,7 +80,7 @@ static int hws_pool_resource_alloc(struct mlx5hws_pool *pool) u32 fw_ft_type, opt_log_range; fw_ft_type = mlx5hws_table_get_res_fw_ft_type(pool->tbl_type, false); - opt_log_range = pool->opt_type == MLX5HWS_POOL_OPTIMIZE_ORIG ? + opt_log_range = pool->opt_type == MLX5HWS_POOL_OPTIMIZE_MIRROR ? 0 : pool->alloc_log_sz; resource = hws_pool_create_one_resource(pool, opt_log_range, fw_ft_type); if (!resource) { @@ -94,7 +94,7 @@ static int hws_pool_resource_alloc(struct mlx5hws_pool *pool) struct mlx5hws_pool_resource *mirror_resource; fw_ft_type = mlx5hws_table_get_res_fw_ft_type(pool->tbl_type, true); - opt_log_range = pool->opt_type == MLX5HWS_POOL_OPTIMIZE_MIRROR ? + opt_log_range = pool->opt_type == MLX5HWS_POOL_OPTIMIZE_ORIG ? 0 : pool->alloc_log_sz; mirror_resource = hws_pool_create_one_resource(pool, opt_log_range, fw_ft_type); if (!mirror_resource) { -- 2.50.1 (Apple Git-155)