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net/mlx5: query hairpin capabilities

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This commit query and store the hairpin capabilities from the device.

Those capabilities will be used when creating the hairpin queue.

Signed-off-by: Ori Kam <orika@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
This commit is contained in:
Ori Kam 2019-10-30 23:53:12 +00:00 committed by Ferruh Yigit
parent cf5516696d
commit 52dfbded04
2 changed files with 11 additions and 0 deletions
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4
drivers/net/mlx5/mlx5.h
View File

@ -187,6 +187,10 @@ struct mlx5_hca_attr {
uint32_t lro_max_msg_sz_mode:2;
uint32_t lro_timer_supported_periods[MLX5_LRO_NUM_SUPP_PERIODS];
uint32_t flex_parser_protocols;
uint32_t hairpin:1;
uint32_t log_max_hairpin_queues:5;
uint32_t log_max_hairpin_wq_data_sz:5;
uint32_t log_max_hairpin_num_packets:5;
};
/* Flow list . */

7
drivers/net/mlx5/mlx5_devx_cmds.c
View File

@ -327,6 +327,13 @@ mlx5_devx_cmd_query_hca_attr(struct ibv_context *ctx,
attr->flow_counters_dump = MLX5_GET(cmd_hca_cap, hcattr,
flow_counters_dump);
attr->eswitch_manager = MLX5_GET(cmd_hca_cap, hcattr, eswitch_manager);
attr->hairpin = MLX5_GET(cmd_hca_cap, hcattr, hairpin);
attr->log_max_hairpin_queues = MLX5_GET(cmd_hca_cap, hcattr,
log_max_hairpin_queues);
attr->log_max_hairpin_wq_data_sz = MLX5_GET(cmd_hca_cap, hcattr,
log_max_hairpin_wq_data_sz);
attr->log_max_hairpin_num_packets = MLX5_GET
(cmd_hca_cap, hcattr, log_min_hairpin_wq_data_sz);
attr->eth_net_offloads = MLX5_GET(cmd_hca_cap, hcattr,
eth_net_offloads);
attr->eth_virt = MLX5_GET(cmd_hca_cap, hcattr, eth_virt);