rdma-core introduce a new DR sample action.

Add the rdma-core commands in glue to create this action.

Sample action is used for creating the sample object to implement
the sampling/mirroring function.

Signed-off-by: Jiawei Wang <jiaw...@nvidia.com>
Acked-by: Ori Kam <or...@nvidia.com>
---
 drivers/common/mlx5/Makefile          |  5 +++++
 drivers/common/mlx5/linux/meson.build |  2 ++
 drivers/common/mlx5/linux/mlx5_glue.c | 15 +++++++++++++++
 drivers/common/mlx5/linux/mlx5_glue.h | 12 ++++++++++++
 4 files changed, 34 insertions(+)

diff --git a/drivers/common/mlx5/Makefile b/drivers/common/mlx5/Makefile
index 4edd541..24b932c 100644
--- a/drivers/common/mlx5/Makefile
+++ b/drivers/common/mlx5/Makefile
@@ -205,6 +205,11 @@ mlx5_autoconf.h.new: $(RTE_SDK)/buildtools/auto-config-h.sh
                func mlx5dv_dump_dr_domain \
                $(AUTOCONF_OUTPUT)
        $Q sh -- '$<' '$@' \
+               HAVE_MLX5_DR_CREATE_ACTION_FLOW_SAMPLE \
+               infiniband/mlx5dv.h \
+               func mlx5dv_dr_action_create_flow_sampler \
+               $(AUTOCONF_OUTPUT)
+       $Q sh -- '$<' '$@' \
                HAVE_MLX5DV_MMAP_GET_NC_PAGES_CMD \
                infiniband/mlx5dv.h \
                enum MLX5_MMAP_GET_NC_PAGES_CMD \
diff --git a/drivers/common/mlx5/linux/meson.build 
b/drivers/common/mlx5/linux/meson.build
index 48e8ad6..1aa137d 100644
--- a/drivers/common/mlx5/linux/meson.build
+++ b/drivers/common/mlx5/linux/meson.build
@@ -172,6 +172,8 @@ has_sym_args = [
        'RDMA_NLDEV_ATTR_NDEV_INDEX' ],
        [ 'HAVE_MLX5_DR_FLOW_DUMP', 'infiniband/mlx5dv.h',
        'mlx5dv_dump_dr_domain'],
+       [ 'HAVE_MLX5_DR_CREATE_ACTION_FLOW_SAMPLE', 'infiniband/mlx5dv.h',
+       'mlx5dv_dr_action_create_flow_sampler'],
        [ 'HAVE_MLX5DV_DR_MEM_RECLAIM', 'infiniband/mlx5dv.h',
        'mlx5dv_dr_domain_set_reclaim_device_memory'],
        [ 'HAVE_DEVLINK', 'linux/devlink.h', 'DEVLINK_GENL_NAME' ],
diff --git a/drivers/common/mlx5/linux/mlx5_glue.c 
b/drivers/common/mlx5/linux/mlx5_glue.c
index fcf03e8..771a47c 100644
--- a/drivers/common/mlx5/linux/mlx5_glue.c
+++ b/drivers/common/mlx5/linux/mlx5_glue.c
@@ -1063,6 +1063,19 @@
 #endif
 }
 
+static void *
+mlx5_glue_dr_create_flow_action_sampler(
+                       struct mlx5dv_dr_flow_sampler_attr *attr)
+{
+#ifdef HAVE_MLX5_DR_CREATE_ACTION_FLOW_SAMPLE
+       return mlx5dv_dr_action_create_flow_sampler(attr);
+#else
+       (void)attr;
+       errno = ENOTSUP;
+       return NULL;
+#endif
+}
+
 static int
 mlx5_glue_devx_query_eqn(struct ibv_context *ctx, uint32_t cpus,
                         uint32_t *eqn)
@@ -1339,6 +1352,8 @@
        .devx_port_query = mlx5_glue_devx_port_query,
        .dr_dump_domain = mlx5_glue_dr_dump_domain,
        .dr_reclaim_domain_memory = mlx5_glue_dr_reclaim_domain_memory,
+       .dr_create_flow_action_sampler =
+               mlx5_glue_dr_create_flow_action_sampler,
        .devx_query_eqn = mlx5_glue_devx_query_eqn,
        .devx_create_event_channel = mlx5_glue_devx_create_event_channel,
        .devx_destroy_event_channel = mlx5_glue_devx_destroy_event_channel,
diff --git a/drivers/common/mlx5/linux/mlx5_glue.h 
b/drivers/common/mlx5/linux/mlx5_glue.h
index 734ace2..85b43b9 100644
--- a/drivers/common/mlx5/linux/mlx5_glue.h
+++ b/drivers/common/mlx5/linux/mlx5_glue.h
@@ -77,6 +77,7 @@
 #ifndef HAVE_MLX5DV_DR
 enum  mlx5dv_dr_domain_type { unused, };
 struct mlx5dv_dr_domain;
+struct mlx5dv_dr_action;
 #endif
 
 #ifndef HAVE_MLX5DV_DR_DEVX_PORT
@@ -87,6 +88,15 @@
 struct mlx5dv_dr_flow_meter_attr;
 #endif
 
+#ifndef HAVE_MLX5_DR_CREATE_ACTION_FLOW_SAMPLE
+struct mlx5dv_dr_flow_sampler_attr {
+       uint32_t sample_ratio;
+       void *default_next_table;
+       size_t num_sample_actions;
+       struct mlx5dv_dr_action **sample_actions;
+};
+#endif
+
 #ifndef HAVE_IBV_DEVX_EVENT
 struct mlx5dv_devx_event_channel { int fd; };
 struct mlx5dv_devx_async_event_hdr;
@@ -309,6 +319,8 @@ struct mlx5_glue {
                                         const void *pp_context,
                                         uint32_t flags);
        void (*dv_free_pp)(struct mlx5dv_pp *pp);
+       void *(*dr_create_flow_action_sampler)
+                       (struct mlx5dv_dr_flow_sampler_attr *attr);
 };
 
 extern const struct mlx5_glue *mlx5_glue;
-- 
1.8.3.1

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