> -----Original Message-----
> From: Ori Kam <or...@mellanox.com>
> Sent: Thursday, September 26, 2019 9:29
> To: Matan Azrad <ma...@mellanox.com>; Shahaf Shuler
> <shah...@mellanox.com>; Slava Ovsiienko <viachesl...@mellanox.com>
> Cc: dev@dpdk.org; Ori Kam <or...@mellanox.com>; jingjing...@intel.com;
> step...@networkplumber.org
> Subject: [PATCH 02/13] net/mlx5: query hca hairpin capabilities
>
> 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 <or...@mellanox.com>
Acked-by: Viacheslav Ovsiienko <viachesl...@mellanox.com>
> ---
> drivers/net/mlx5/mlx5.h | 4 ++++
> drivers/net/mlx5/mlx5_devx_cmds.c | 7 +++++++
> 2 files changed, 11 insertions(+)
>
> diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index
> d4d2ca8..cd896c8 100644
> --- a/drivers/net/mlx5/mlx5.h
> +++ b/drivers/net/mlx5/mlx5.h
> @@ -184,6 +184,10 @@ struct mlx5_hca_attr {
> uint32_t tunnel_lro_vxlan:1;
> uint32_t lro_max_msg_sz_mode:2;
> uint32_t
> lro_timer_supported_periods[MLX5_LRO_NUM_SUPP_PERIODS];
> + 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 . */
> diff --git a/drivers/net/mlx5/mlx5_devx_cmds.c
> b/drivers/net/mlx5/mlx5_devx_cmds.c
> index acfe1de..b072c37 100644
> --- a/drivers/net/mlx5/mlx5_devx_cmds.c
> +++ b/drivers/net/mlx5/mlx5_devx_cmds.c
> @@ -327,6 +327,13 @@ struct mlx5_devx_obj *
> 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);
> --
> 1.8.3.1
