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From: Ori Kam <orika@mellanox.com>
To: Matan Azrad <matan@mellanox.com>, Shahaf Shuler <shahafs@mellanox.com>,
Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Cc: dev@dpdk.org, orika@mellanox.com, jingjing.wu@intel.com,
stephen@networkplumber.org
Date: Tue, 15 Oct 2019 09:04:10 +0000
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<1571130263-120863-1-git-send-email-orika@mellanox.com>
Subject: [dpdk-dev] [PATCH v3 02/14] net/mlx5: query hca 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>
---
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 baf945c..4d14e9e 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