From: Shiri Kuzin <shirik@mellanox.com>
Date: Tue, 23 Jun 2020 08:41:05 +0000 (+0300)
Subject: common/mlx5: add default miss action
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d4d85aa6f13aed654b2cd8344fe30ec7b7aba7c7;p=dpdk.git

common/mlx5: add default miss action

Add dv_create_action_default_miss wrapper function
for the action added to the rdma-core
MLX5DV_FLOW_ACTION_DEFAULT_MISS.

When a packet matches MLX5DV_FLOW_ACTION_DEFAULT_MISS
action it is steered to the default miss of the verbs
steering domain.

Signed-off-by: Shiri Kuzin <shirik@mellanox.com>
Acked-by: Matan Azrad <matan@mellanox.com>
---

diff --git a/drivers/common/mlx5/Makefile b/drivers/common/mlx5/Makefile
index 622bde4ff4..f6c762bf0c 100644
--- a/drivers/common/mlx5/Makefile
+++ b/drivers/common/mlx5/Makefile
@@ -156,6 +156,11 @@ mlx5_autoconf.h.new: $(RTE_SDK)/buildtools/auto-config-h.sh
 		infiniband/mlx5dv.h \
 		enum MLX5DV_FLOW_ACTION_COUNTERS_DEVX \
 		$(AUTOCONF_OUTPUT)
+	$Q sh -- '$<' '$@' \
+		HAVE_MLX5_DR_CREATE_ACTION_DEFAULT_MISS \
+		infiniband/mlx5dv.h \
+		enum MLX5DV_FLOW_ACTION_DEFAULT_MISS \
+		$(AUTOCONF_OUTPUT)
 	$Q sh -- '$<' '$@' \
 		HAVE_IBV_DEVX_ASYNC \
 		infiniband/mlx5dv.h \
diff --git a/drivers/common/mlx5/linux/meson.build b/drivers/common/mlx5/linux/meson.build
index 638bb2b855..2294213f1d 100644
--- a/drivers/common/mlx5/linux/meson.build
+++ b/drivers/common/mlx5/linux/meson.build
@@ -95,6 +95,8 @@ has_sym_args = [
 	'mlx5dv_devx_obj_create' ],
 	[ 'HAVE_IBV_FLOW_DEVX_COUNTERS', 'infiniband/mlx5dv.h',
 	'MLX5DV_FLOW_ACTION_COUNTERS_DEVX' ],
+	[ 'HAVE_MLX5_DR_CREATE_ACTION_DEFAULT_MISS', 'infiniband/mlx5dv.h',
+	'MLX5DV_FLOW_ACTION_DEFAULT_MISS' ],
 	[ 'HAVE_IBV_DEVX_ASYNC', 'infiniband/mlx5dv.h',
 	'mlx5dv_devx_obj_query_async' ],
 	[ 'HAVE_IBV_DEVX_QP', 'infiniband/mlx5dv.h',
diff --git a/drivers/common/mlx5/linux/mlx5_glue.c b/drivers/common/mlx5/linux/mlx5_glue.c
index c91ee33bba..62c4cc74b0 100644
--- a/drivers/common/mlx5/linux/mlx5_glue.c
+++ b/drivers/common/mlx5/linux/mlx5_glue.c
@@ -795,6 +795,17 @@ mlx5_glue_dv_modify_flow_action_meter(void *action,
 #endif
 }
 
+static void *
+mlx5_glue_dr_create_flow_action_default_miss(void)
+{
+#if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_DEFAULT_MISS)
+	return mlx5dv_dr_action_create_default_miss();
+#else
+	errno = ENOTSUP;
+	return NULL;
+#endif
+}
+
 static int
 mlx5_glue_dv_destroy_flow(void *flow_id)
 {
@@ -1276,6 +1287,8 @@ const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue) {
 	.dv_create_flow_action_tag =  mlx5_glue_dv_create_flow_action_tag,
 	.dv_create_flow_action_meter = mlx5_glue_dv_create_flow_action_meter,
 	.dv_modify_flow_action_meter = mlx5_glue_dv_modify_flow_action_meter,
+	.dr_create_flow_action_default_miss =
+		mlx5_glue_dr_create_flow_action_default_miss,
 	.dv_destroy_flow = mlx5_glue_dv_destroy_flow,
 	.dv_destroy_flow_matcher = mlx5_glue_dv_destroy_flow_matcher,
 	.dv_open_device = mlx5_glue_dv_open_device,
diff --git a/drivers/common/mlx5/linux/mlx5_glue.h b/drivers/common/mlx5/linux/mlx5_glue.h
index 5d238a40ad..069d8540cc 100644
--- a/drivers/common/mlx5/linux/mlx5_glue.h
+++ b/drivers/common/mlx5/linux/mlx5_glue.h
@@ -237,6 +237,7 @@ struct mlx5_glue {
 		(struct mlx5dv_dr_flow_meter_attr *attr);
 	int (*dv_modify_flow_action_meter)(void *action,
 		struct mlx5dv_dr_flow_meter_attr *attr, uint64_t modify_bits);
+	void *(*dr_create_flow_action_default_miss)(void);
 	int (*dv_destroy_flow)(void *flow);
 	int (*dv_destroy_flow_matcher)(void *matcher);
 	struct ibv_context *(*dv_open_device)(struct ibv_device *device);