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common/mlx5: create GENEVE TLV option object with DevX

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TLV object is a special firmware maintained entity used
to support match on GENEVE header extension option.

The TLV object is created with DevX API and accepts
the option class, type and lehgth fields.

The class type and length fields are set using MLX5_SET
and the Devx object is created using mlx5 glue function.

Signed-off-by: Shiri Kuzin <shirik@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
This commit is contained in:
Shiri Kuzin 2021-01-17 12:21:19 +02:00 committed by Ferruh Yigit
parent 1324ff183d
commit 5be10a9d09
4 changed files with 62 additions and 0 deletions
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55
drivers/common/mlx5/mlx5_devx_cmds.c
View File

@ -2093,3 +2093,58 @@ mlx5_devx_cmd_alloc_pd(void *ctx)
ppd->id = MLX5_GET(alloc_pd_out, out, pd);
return ppd;
}
/**
* Create general object of type GENEVE TLV option using DevX API.
*
* @param[in] ctx
* Context returned from mlx5 open_device() glue function.
* @param [in] class
* TLV option variable value of class
* @param [in] type
* TLV option variable value of type
* @param [in] len
* TLV option variable value of len
*
* @return
* The DevX object created, NULL otherwise and rte_errno is set.
*/
struct mlx5_devx_obj *
mlx5_devx_cmd_create_geneve_tlv_option(void *ctx,
uint16_t class, uint8_t type, uint8_t len)
{
uint32_t in[MLX5_ST_SZ_DW(create_geneve_tlv_option_in)] = {0};
uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
struct mlx5_devx_obj *geneve_tlv_opt_obj = mlx5_malloc(MLX5_MEM_ZERO,
sizeof(*geneve_tlv_opt_obj),
0, SOCKET_ID_ANY);
if (!geneve_tlv_opt_obj) {
DRV_LOG(ERR, "Failed to allocate geneve tlv option object.");
rte_errno = ENOMEM;
return NULL;
}
void *hdr = MLX5_ADDR_OF(create_geneve_tlv_option_in, in, hdr);
void *opt = MLX5_ADDR_OF(create_geneve_tlv_option_in, in,
geneve_tlv_opt);
MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
MLX5_OBJ_TYPE_GENEVE_TLV_OPT);
MLX5_SET(geneve_tlv_option, opt, option_class,
rte_be_to_cpu_16(class));
MLX5_SET(geneve_tlv_option, opt, option_type, type);
MLX5_SET(geneve_tlv_option, opt, option_data_length, len);
geneve_tlv_opt_obj->obj = mlx5_glue->devx_obj_create(ctx, in,
sizeof(in), out, sizeof(out));
if (!geneve_tlv_opt_obj->obj) {
rte_errno = errno;
DRV_LOG(ERR, "Failed to create Geneve tlv option "
"Obj using DevX.");
mlx5_free(geneve_tlv_opt_obj);
return NULL;
}
geneve_tlv_opt_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
return geneve_tlv_opt_obj;
}

5
drivers/common/mlx5/mlx5_devx_cmds.h
View File

@ -485,6 +485,11 @@ __rte_internal
int mlx5_devx_cmd_register_read(void *ctx, uint16_t reg_id,
uint32_t arg, uint32_t *data, uint32_t dw_cnt);
__rte_internal
struct mlx5_devx_obj *
mlx5_devx_cmd_create_geneve_tlv_option(void *ctx,
uint16_t class, uint8_t type, uint8_t len);
/**
* Create virtio queue counters object DevX API.
*

1
drivers/common/mlx5/rte_common_mlx5_exports.def
View File

@ -34,6 +34,7 @@ EXPORTS
mlx5_devx_cmd_register_read
mlx5_devx_get_out_command_status
mlx5_devx_cmd_create_flow_hit_aso_obj
mlx5_devx_cmd_create_geneve_tlv_option
mlx5_devx_cq_create
mlx5_devx_cq_destroy

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

@ -23,6 +23,7 @@ INTERNAL {
mlx5_devx_cmd_create_virtio_q_counters;
mlx5_devx_cmd_create_virtq;
mlx5_devx_cmd_create_flow_hit_aso_obj;
mlx5_devx_cmd_create_geneve_tlv_option;
mlx5_devx_cmd_destroy;
mlx5_devx_cmd_flow_counter_alloc;
mlx5_devx_cmd_flow_counter_query;