Add a new function to query information about GENEVE TLV option parser.
Signed-off-by: Michael Baum <michae...@nvidia.com>
---
drivers/common/mlx5/mlx5_devx_cmds.c | 50 ++++++++++++++++++++++++++++
drivers/common/mlx5/mlx5_devx_cmds.h | 6 ++++
drivers/common/mlx5/mlx5_prm.h | 5 +++
drivers/common/mlx5/version.map | 1 +
4 files changed, 62 insertions(+)
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c
b/drivers/common/mlx5/mlx5_devx_cmds.c
index 332aebbe57..1fa75cd964 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -2915,6 +2915,56 @@ mlx5_devx_cmd_create_geneve_tlv_option(void *ctx,
return geneve_tlv_opt_obj;
}
+/**
+ * Query GENEVE TLV option using DevX API.
+ *
+ * @param[in] ctx
+ * Context used to create GENEVE TLV option object.
+ * @param[in] geneve_tlv_opt_obj
+ * DevX object of the GENEVE TLV option.
+ * @param[out] attr
+ * Pointer to match sample info attributes structure.
+ *
+ * @return
+ * 0 on success, a negative errno otherwise and rte_errno is set.
+ */
+int
+mlx5_devx_cmd_query_geneve_tlv_option(void *ctx,
+ struct mlx5_devx_obj *geneve_tlv_opt_obj,
+ struct
mlx5_devx_match_sample_info_query_attr *attr)
+{
+ uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
+ uint32_t out[MLX5_ST_SZ_DW(query_geneve_tlv_option_out)] = {0};
+ void *hdr = MLX5_ADDR_OF(query_geneve_tlv_option_out, in, hdr);
+ void *opt = MLX5_ADDR_OF(query_geneve_tlv_option_out, out,
+ geneve_tlv_opt);
+ int ret;
+
+ MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
+ MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
+ MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
+ MLX5_GENERAL_OBJ_TYPE_GENEVE_TLV_OPT);
+ MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, geneve_tlv_opt_obj->id);
+ /* Call first query to get sample handle. */
+ ret = mlx5_glue->devx_obj_query(geneve_tlv_opt_obj->obj, in, sizeof(in),
+ out, sizeof(out));
+ if (ret) {
+ DRV_LOG(ERR, "Failed to query GENEVE TLV option using DevX.");
+ rte_errno = errno;
+ return -errno;
+ }
+ /* Call second query to get sample information. */
+ if (MLX5_GET(geneve_tlv_option, opt, sample_id_valid)) {
+ uint32_t sample_id = MLX5_GET(geneve_tlv_option, opt,
+ geneve_sample_field_id);
+
+ return mlx5_devx_cmd_match_sample_info_query(ctx, sample_id,
+ attr);
+ }
+ DRV_LOG(DEBUG, "GENEVE TLV option sample isn't valid.");
+ return 0;
+}
+
int
mlx5_devx_cmd_wq_query(void *wq, uint32_t *counter_set_id)
{
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h
b/drivers/common/mlx5/mlx5_devx_cmds.h
index 1daf2fcca4..6161c275da 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -794,6 +794,12 @@ struct mlx5_devx_obj *
mlx5_devx_cmd_create_geneve_tlv_option(void *ctx,
struct mlx5_devx_geneve_tlv_option_attr *attr);
+__rte_internal
+int
+mlx5_devx_cmd_query_geneve_tlv_option(void *ctx,
+ struct mlx5_devx_obj *geneve_tlv_opt_obj,
+ struct
mlx5_devx_match_sample_info_query_attr *attr);
+
/**
* Create virtio queue counters object DevX API.
*
diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index 59643a8788..7c36961564 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -3721,6 +3721,11 @@ struct mlx5_ifc_create_geneve_tlv_option_in_bits {
struct mlx5_ifc_geneve_tlv_option_bits geneve_tlv_opt;
};
+struct mlx5_ifc_query_geneve_tlv_option_out_bits {
+ struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr;
+ struct mlx5_ifc_geneve_tlv_option_bits geneve_tlv_opt;
+};
+
struct mlx5_ifc_create_rtc_in_bits {
struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr;
struct mlx5_ifc_rtc_bits rtc;
diff --git a/drivers/common/mlx5/version.map b/drivers/common/mlx5/version.map
index 074eed46fd..589a450145 100644
--- a/drivers/common/mlx5/version.map
+++ b/drivers/common/mlx5/version.map
@@ -54,6 +54,7 @@ INTERNAL {
mlx5_devx_cmd_modify_tir;
mlx5_devx_cmd_modify_virtq;
mlx5_devx_cmd_qp_query_tis_td;
+ mlx5_devx_cmd_query_geneve_tlv_option;
mlx5_devx_cmd_query_hca_attr;
mlx5_devx_cmd_query_lag;
mlx5_devx_cmd_query_parse_samples;
--
2.25.1
