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From: Jiawei Wang <jiaweiw@nvidia.com>
To: orika@nvidia.com, viacheslavo@nvidia.com, matan@nvidia.com,
thomas@monjalon.net, ferruh.yigit@intel.com, marko.kovacevic@intel.com,
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Cc: dev@dpdk.org, rasland@nvidia.com, ian.stokes@intel.com, fbl@redhat.com,
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Date: Sun, 27 Sep 2020 09:18:48 +0300
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Subject: [dpdk-dev] [PATCH v8 02/13] common/mlx5: glue for sample action
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The new DR sample action is supported since OFED version
5.1.2 or rdma-core version v32.
MLX5 PMD adds the rdma-core command 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 <jiaweiw@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
---
drivers/common/mlx5/linux/meson.build | 2 ++
drivers/common/mlx5/linux/mlx5_glue.c | 15 +++++++++++++++
drivers/common/mlx5/linux/mlx5_glue.h | 13 +++++++++++++
drivers/common/mlx5/mlx5_prm.h | 10 ++++++++++
4 files changed, 40 insertions(+)
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..a77d239 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 +88,16 @@
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;
+ uint64_t action;
+};
+#endif
+
#ifndef HAVE_IBV_DEVX_EVENT
struct mlx5dv_devx_event_channel { int fd; };
struct mlx5dv_devx_async_event_hdr;
@@ -309,6 +320,8 @@ 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;
diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index 563e7c8..0a270a2 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -1479,6 +1479,16 @@ struct mlx5_ifc_virtio_emulation_cap_bits {
u8 reserved_at_0[0x8000];
};
+struct mlx5_ifc_set_action_in_bits {
+ u8 action_type[0x4];
+ u8 field[0xc];
+ u8 reserved_at_10[0x3];
+ u8 offset[0x5];
+ u8 reserved_at_18[0x3];
+ u8 length[0x5];
+ u8 data[0x20];
+};
+
struct mlx5_ifc_query_hca_cap_out_bits {
u8 status[0x8];
u8 reserved_at_8[0x18];
--
1.8.3.1