[dpdk-dev] [PATCH 2/2] net/mlx5: use global default miss for E-Switch sampling
From: Jiawei Wang <hidden>
Date: 2021-01-26 12:53:44
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
In E-Switch steering domain there was dedicated default miss action created for every sampling flow. The patch replaces this one with the global default miss action. Cc: stable@dpdk.org Signed-off-by: Jiawei Wang <redacted> Acked-by: Viacheslav Ovsiienko <redacted> --- drivers/net/mlx5/mlx5_flow.h | 1 - drivers/net/mlx5/mlx5_flow_dv.c | 23 +++++------------------ 2 files changed, 5 insertions(+), 19 deletions(-)
diff --git a/drivers/net/mlx5/mlx5_flow.h b/drivers/net/mlx5/mlx5_flow.h
index 2178a04..e9e3397 100644
--- a/drivers/net/mlx5/mlx5_flow.h
+++ b/drivers/net/mlx5/mlx5_flow.h@@ -598,7 +598,6 @@ struct mlx5_flow_dv_sample_resource { uint32_t ratio; /** Sample Ratio */ uint64_t set_action; /** Restore reg_c0 value */ void *normal_path_tbl; /** Flow Table pointer */ - void *default_miss; /** default_miss dr_action. */ struct mlx5_flow_sub_actions_idx sample_idx; /**< Action index resources. */ struct mlx5_flow_sub_actions_list sample_act;
diff --git a/drivers/net/mlx5/mlx5_flow_dv.c b/drivers/net/mlx5/mlx5_flow_dv.c
index 27d711d..5845b98 100644
--- a/drivers/net/mlx5/mlx5_flow_dv.c
+++ b/drivers/net/mlx5/mlx5_flow_dv.c@@ -9149,22 +9149,18 @@ struct mlx5_cache_entry * "for sample"); goto error; } - int ret; - cache_resource->normal_path_tbl = tbl; if (resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB) { - ret = mlx5_flow_os_create_flow_action_default_miss - (&cache_resource->default_miss); - if (ret) { + if (!sh->default_miss_action) { rte_flow_error_set(error, ENOMEM, RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL, - "cannot create default miss " - "action"); + "default miss action was not " + "created"); goto error; } sample_dv_actions[resource->sample_act.actions_num++] = - cache_resource->default_miss; + sh->default_miss_action; } /* Create a DR sample action */ sampler_attr.sample_ratio = cache_resource->ratio;
@@ -9184,11 +9180,7 @@ struct mlx5_cache_entry * cache_resource->dev = dev; return &cache_resource->entry; error: - if (cache_resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB && - cache_resource->default_miss) - claim_zero(mlx5_flow_os_destroy_flow_action - (cache_resource->default_miss)); - else + if (cache_resource->ft_type != MLX5DV_FLOW_TABLE_TYPE_FDB) flow_dv_sample_sub_actions_release(dev, &cache_resource->sample_idx); if (cache_resource->normal_path_tbl)
@@ -11591,11 +11583,6 @@ struct mlx5_cache_entry * if (cache_resource->verbs_action) claim_zero(mlx5_flow_os_destroy_flow_action (cache_resource->verbs_action)); - if (cache_resource->ft_type == MLX5DV_FLOW_TABLE_TYPE_FDB) { - if (cache_resource->default_miss) - claim_zero(mlx5_flow_os_destroy_flow_action - (cache_resource->default_miss)); - } if (cache_resource->normal_path_tbl) flow_dv_tbl_resource_release(MLX5_SH(dev), cache_resource->normal_path_tbl);
--
1.8.3.1