[PATCH v1 08/23] common/mlx5: add PRM attribute for TLV sample

[Michael Baum <michaelba@nvidia.com>]

Add GENEVE TLV sample fields in 2 places:
1. New HCA capabilities indicating GENEVE TLV sample is supported.
2. New fields in "mlx5_ifc_geneve_tlv_option_bits" structure.

Signed-off-by: Michael Baum <michaelba@nvidia.com>
---
 drivers/common/mlx5/mlx5_devx_cmds.c | 18 ++++++++++++++++--
 drivers/common/mlx5/mlx5_devx_cmds.h |  9 +++++++--
 drivers/common/mlx5/mlx5_prm.h       | 15 +++++++++++----
 3 files changed, 34 insertions(+), 8 deletions(-)

diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c
index 9855a97bf4..674130c11f 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -968,6 +968,10 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
 			max_geneve_tlv_options);
 	attr->max_geneve_tlv_option_data_len = MLX5_GET(cmd_hca_cap, hcattr,
 			max_geneve_tlv_option_data_len);
+	attr->geneve_tlv_option_offset = MLX5_GET(cmd_hca_cap, hcattr,
+						  geneve_tlv_option_offset);
+	attr->geneve_tlv_sample = MLX5_GET(cmd_hca_cap, hcattr,
+					   geneve_tlv_sample);
 	attr->query_match_sample_info = MLX5_GET(cmd_hca_cap, hcattr,
 						 query_match_sample_info);
 	attr->qos.sup = MLX5_GET(cmd_hca_cap, hcattr, qos);
@@ -2883,11 +2887,21 @@ mlx5_devx_cmd_create_geneve_tlv_option(void *ctx,
 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
 		 MLX5_GENERAL_OBJ_TYPE_GENEVE_TLV_OPT);
-	MLX5_SET(geneve_tlv_option, opt, option_class,
-		 rte_be_to_cpu_16(attr->option_class));
 	MLX5_SET(geneve_tlv_option, opt, option_type, attr->option_type);
 	MLX5_SET(geneve_tlv_option, opt, option_data_length,
 		 attr->option_data_len);
+	if (attr->option_class_ignore)
+		MLX5_SET(geneve_tlv_option, opt, option_class_ignore,
+			 attr->option_class_ignore);
+	else
+		MLX5_SET(geneve_tlv_option, opt, option_class,
+			 rte_be_to_cpu_16(attr->option_class));
+	if (attr->offset_valid) {
+		MLX5_SET(geneve_tlv_option, opt, sample_offset_valid,
+			 attr->offset_valid);
+		MLX5_SET(geneve_tlv_option, opt, sample_offset,
+			 attr->sample_offset);
+	}
 	geneve_tlv_opt_obj->obj = mlx5_glue->devx_obj_create(ctx, in,
 							     sizeof(in), out,
 							     sizeof(out));
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h
index 78337dff17..3f294e8f04 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -212,8 +212,10 @@ struct mlx5_hca_attr {
 	uint32_t lro_timer_supported_periods[MLX5_LRO_NUM_SUPP_PERIODS];
 	uint16_t lro_min_mss_size;
 	uint32_t flex_parser_protocols;
-	uint32_t max_geneve_tlv_options;
-	uint32_t max_geneve_tlv_option_data_len;
+	uint32_t max_geneve_tlv_options:8;
+	uint32_t max_geneve_tlv_option_data_len:5;
+	uint32_t geneve_tlv_sample:1;
+	uint32_t geneve_tlv_option_offset:1;
 	uint32_t hairpin:1;
 	uint32_t log_max_hairpin_queues:5;
 	uint32_t log_max_hairpin_wq_data_sz:5;
@@ -674,6 +676,9 @@ struct mlx5_devx_geneve_tlv_option_attr {
 	uint32_t option_class:16;
 	uint32_t option_type:8;
 	uint32_t option_data_len:5;
+	uint32_t option_class_ignore:1;
+	uint32_t offset_valid:1;
+	uint32_t sample_offset:8;
 };
 
 /* mlx5_devx_cmds.c */
diff --git a/drivers/common/mlx5/mlx5_prm.h b/drivers/common/mlx5/mlx5_prm.h
index 9e22dce6da..59643a8788 100644
--- a/drivers/common/mlx5/mlx5_prm.h
+++ b/drivers/common/mlx5/mlx5_prm.h
@@ -1849,7 +1849,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8 num_of_uars_per_page[0x20];
 	u8 flex_parser_protocols[0x20];
 	u8 max_geneve_tlv_options[0x8];
-	u8 reserved_at_568[0x3];
+	u8 geneve_tlv_sample[0x1];
+	u8 geneve_tlv_option_offset[0x1];
+	u8 reserved_at_56a[0x1];
 	u8 max_geneve_tlv_option_data_len[0x5];
 	u8 flex_parser_header_modify[0x1];
 	u8 reserved_at_571[0x2];
@@ -3416,16 +3418,21 @@ struct mlx5_ifc_virtio_q_counters_bits {
 
 struct mlx5_ifc_geneve_tlv_option_bits {
 	u8 modify_field_select[0x40];
-	u8 reserved_at_40[0x18];
+	u8 reserved_at_40[0x8];
+	u8 sample_offset[0x8];
+	u8 sample_id_valid[0x1];
+	u8 sample_offset_valid[0x1];
+	u8 option_class_ignore[0x1];
+	u8 reserved_at_53[0x5];
 	u8 geneve_option_fte_index[0x8];
 	u8 option_class[0x10];
 	u8 option_type[0x8];
 	u8 reserved_at_78[0x3];
 	u8 option_data_length[0x5];
-	u8 reserved_at_80[0x180];
+	u8 geneve_sample_field_id[0x20];
+	u8 reserved_at_a0[0x160];
 };
 
-
 enum mlx5_ifc_rtc_update_mode {
 	MLX5_IFC_RTC_STE_UPDATE_MODE_BY_HASH = 0x0,
 	MLX5_IFC_RTC_STE_UPDATE_MODE_BY_OFFSET = 0x1,
-- 
2.25.1