From: Haifei Luo <haifeil@nvidia.com>
Date: Thu, 15 Apr 2021 11:19:23 +0000 (+0300)
Subject: common/mlx5: add functions for single flow dump
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=a38d22ed450d12990bda897aa6f7d8bb72977a5a

common/mlx5: add functions for single flow dump

Add mlx5 APIs for single flow dump feature

Signed-off-by: Haifei Luo <haifeil@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
---

diff --git a/drivers/common/mlx5/linux/meson.build b/drivers/common/mlx5/linux/meson.build
index 7953684cf5..3334bd5cb2 100644
--- a/drivers/common/mlx5/linux/meson.build
+++ b/drivers/common/mlx5/linux/meson.build
@@ -187,6 +187,8 @@ has_sym_args = [
             'INFINIBAND_VERBS_H' ],
         [ 'HAVE_MLX5_UMR_IMKEY', 'infiniband/mlx5dv.h',
             'MLX5_WQE_UMR_CTRL_FLAG_INLINE' ],
+        [ 'HAVE_MLX5_DR_FLOW_DUMP_RULE', 'infiniband/mlx5dv.h',
+            'mlx5dv_dump_dr_rule' ],
 ]
 config = configuration_data()
 foreach arg:has_sym_args
diff --git a/drivers/common/mlx5/linux/mlx5_glue.c b/drivers/common/mlx5/linux/mlx5_glue.c
index 964f7e74ef..d3bd645a5b 100644
--- a/drivers/common/mlx5/linux/mlx5_glue.c
+++ b/drivers/common/mlx5/linux/mlx5_glue.c
@@ -1100,6 +1100,18 @@ mlx5_glue_devx_port_query(struct ibv_context *ctx,
 #endif
 }
 
+static int
+mlx5_glue_dr_dump_single_rule(FILE *file, void *rule)
+{
+#ifdef HAVE_MLX5_DR_FLOW_DUMP_RULE
+	return mlx5dv_dump_dr_rule(file, rule);
+#else
+	RTE_SET_USED(file);
+	RTE_SET_USED(rule);
+	return -ENOTSUP;
+#endif
+}
+
 static int
 mlx5_glue_dr_dump_domain(FILE *file, void *domain)
 {
@@ -1423,6 +1435,7 @@ const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue) {
 	.devx_wq_query = mlx5_glue_devx_wq_query,
 	.devx_port_query = mlx5_glue_devx_port_query,
 	.dr_dump_domain = mlx5_glue_dr_dump_domain,
+	.dr_dump_rule = mlx5_glue_dr_dump_single_rule,
 	.dr_reclaim_domain_memory = mlx5_glue_dr_reclaim_domain_memory,
 	.dr_create_flow_action_sampler =
 		mlx5_glue_dr_create_flow_action_sampler,
diff --git a/drivers/common/mlx5/linux/mlx5_glue.h b/drivers/common/mlx5/linux/mlx5_glue.h
index 9e385be957..97462e9ab8 100644
--- a/drivers/common/mlx5/linux/mlx5_glue.h
+++ b/drivers/common/mlx5/linux/mlx5_glue.h
@@ -313,6 +313,7 @@ struct mlx5_glue {
 			       uint32_t port_num,
 			       struct mlx5dv_devx_port *mlx5_devx_port);
 	int (*dr_dump_domain)(FILE *file, void *domain);
+	int (*dr_dump_rule)(FILE *file, void *rule);
 	int (*devx_query_eqn)(struct ibv_context *context, uint32_t cpus,
 			      uint32_t *eqn);
 	struct mlx5dv_devx_event_channel *(*devx_create_event_channel)
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c
index 268bcd0d99..ec6069b7ee 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -1584,6 +1584,20 @@ mlx5_devx_cmd_flow_dump(void *fdb_domain __rte_unused,
 	return -ret;
 }
 
+int
+mlx5_devx_cmd_flow_single_dump(void *rule_info __rte_unused,
+			FILE *file __rte_unused)
+{
+	int ret = 0;
+#ifdef HAVE_MLX5_DR_FLOW_DUMP_RULE
+	if (rule_info)
+		ret = mlx5_glue->dr_dump_rule(file, rule_info);
+#else
+	ret = ENOTSUP;
+#endif
+	return -ret;
+}
+
 /*
  * Create CQ using DevX API.
  *
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h
index 67b5f771c6..209e7dacbf 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -477,6 +477,8 @@ __rte_internal
 int mlx5_devx_cmd_flow_dump(void *fdb_domain, void *rx_domain, void *tx_domain,
 			    FILE *file);
 __rte_internal
+int mlx5_devx_cmd_flow_single_dump(void *rule, FILE *file);
+__rte_internal
 struct mlx5_devx_obj *mlx5_devx_cmd_create_cq(void *ctx,
 					      struct mlx5_devx_cq_attr *attr);
 __rte_internal
diff --git a/drivers/common/mlx5/version.map b/drivers/common/mlx5/version.map
index 8b196a41d2..d2037bdbe5 100644
--- a/drivers/common/mlx5/version.map
+++ b/drivers/common/mlx5/version.map
@@ -30,6 +30,7 @@ INTERNAL {
 	mlx5_devx_cmd_flow_counter_alloc;
 	mlx5_devx_cmd_flow_counter_query;
 	mlx5_devx_cmd_flow_dump;
+	mlx5_devx_cmd_flow_single_dump;
 	mlx5_devx_cmd_mkey_create;
 	mlx5_devx_cmd_modify_qp_state;
 	mlx5_devx_cmd_modify_rq;