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common/mlx5: add DevX connection tracking objects creation

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Adding support for connection tracking ASO creation via Devx command.
Right now only bulk creation is supported.

By default, the objects with zero contents will be created. Before
using a single object, the modification via posting a WQE to the ASO
CT SQ is needed.

Signed-off-by: Bing Zhao <bingz@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
This commit is contained in:
Bing Zhao 2021-05-05 15:23:16 +03:00 committed by Raslan Darawsheh
parent ee9e5fad03
commit 8207e84b21
3 changed files with 55 additions and 0 deletions
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50
drivers/common/mlx5/mlx5_devx_cmds.c
View File

@ -2350,6 +2350,56 @@ mlx5_devx_cmd_create_flow_meter_aso_obj(void *ctx, uint32_t pd,
return flow_meter_aso_obj;
}
/*
* Create general object of type CONN_TRACK_OFFLOAD using DevX API.
*
* @param[in] ctx
* Context returned from mlx5 open_device() glue function.
* @param [in] pd
* PD value to associate the CONN_TRACK_OFFLOAD ASO object with.
* @param [in] log_obj_size
* log_obj_size to allocate its power of 2 * objects
* in one CONN_TRACK_OFFLOAD bulk allocation.
*
* @return
* The DevX object created, NULL otherwise and rte_errno is set.
*/
struct mlx5_devx_obj *
mlx5_devx_cmd_create_conn_track_offload_obj(void *ctx, uint32_t pd,
uint32_t log_obj_size)
{
uint32_t in[MLX5_ST_SZ_DW(create_conn_track_aso_in)] = {0};
uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
struct mlx5_devx_obj *ct_aso_obj;
void *ptr;
ct_aso_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*ct_aso_obj),
0, SOCKET_ID_ANY);
if (!ct_aso_obj) {
DRV_LOG(ERR, "Failed to allocate CONN_TRACK_OFFLOAD object.");
rte_errno = ENOMEM;
return NULL;
}
ptr = MLX5_ADDR_OF(create_conn_track_aso_in, in, hdr);
MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
MLX5_GENERAL_OBJ_TYPE_CONN_TRACK_OFFLOAD);
MLX5_SET(general_obj_in_cmd_hdr, ptr, log_obj_range, log_obj_size);
ptr = MLX5_ADDR_OF(create_conn_track_aso_in, in, conn_track_offload);
MLX5_SET(conn_track_offload, ptr, conn_track_aso_access_pd, pd);
ct_aso_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
out, sizeof(out));
if (!ct_aso_obj->obj) {
rte_errno = errno;
DRV_LOG(ERR, "Failed to create CONN_TRACK_OFFLOAD obj by using DevX.");
mlx5_free(ct_aso_obj);
return NULL;
}
ct_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
return ct_aso_obj;
}
/**
* Create general object of type GENEVE TLV option using DevX API.
*

4
drivers/common/mlx5/mlx5_devx_cmds.h
View File

@ -617,6 +617,10 @@ struct mlx5_devx_obj *mlx5_devx_cmd_queue_counter_alloc(void *ctx);
__rte_internal
int mlx5_devx_cmd_queue_counter_query(struct mlx5_devx_obj *dcs, int clear,
uint32_t *out_of_buffers);
__rte_internal
struct mlx5_devx_obj *mlx5_devx_cmd_create_conn_track_offload_obj(void *ctx,
uint32_t pd, uint32_t log_obj_size);
/**
* Create general object of type FLOW_METER_ASO using DevX API..
*

1
drivers/common/mlx5/version.map
View File

@ -15,6 +15,7 @@ INTERNAL {
mlx5_devx_alloc_uar; # WINDOWS_NO_EXPORT
mlx5_devx_cmd_alloc_pd;
mlx5_devx_cmd_create_conn_track_offload_obj;
mlx5_devx_cmd_create_cq;
mlx5_devx_cmd_create_credential_obj;
mlx5_devx_cmd_create_crypto_login_obj;