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[v2,07/13] common/mlx5: read TSO capability from DevX

Message ID 20211012124554.21296-8-talshn@nvidia.com (mailing list archive)
State Accepted, archived
Delegated to: Raslan Darawsheh
Headers
Series Expand NIC offloads support on Windows |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Tal Shnaiderman Oct. 12, 2021, 12:45 p.m. UTC 
  mlx5 in Windows needs the hca capability max_lso_cap
to query the NIC for TSO offloading support.

Added the capability as part of the capabilities
queried by the PMD using DevX.

Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
Tested-by: Idan Hackmon <idanhac@nvidia.com>
---
 drivers/common/mlx5/mlx5_devx_cmds.c | 2 ++
 drivers/common/mlx5/mlx5_devx_cmds.h | 1 +
 2 files changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c
index cd18ab584f..be3c3e61d1 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -987,6 +987,8 @@  mlx5_devx_cmd_query_hca_attr(void *ctx,
 					 hcattr, csum_cap);
 	attr->lro_cap = MLX5_GET(per_protocol_networking_offload_caps, hcattr,
 				 lro_cap);
+	attr->max_lso_cap = MLX5_GET(per_protocol_networking_offload_caps,
+				 hcattr, max_lso_cap);
 	attr->tunnel_lro_gre = MLX5_GET(per_protocol_networking_offload_caps,
 					hcattr, tunnel_lro_gre);
 	attr->tunnel_lro_vxlan = MLX5_GET(per_protocol_networking_offload_caps,
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.h b/drivers/common/mlx5/mlx5_devx_cmds.h
index 893a24dd3c..7a0155558e 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -113,6 +113,7 @@  struct mlx5_hca_attr {
 	uint32_t tunnel_stateless_geneve_rx:1;
 	uint32_t geneve_max_opt_len:1; /* 0x0: 14DW, 0x1: 63DW */
 	uint32_t tunnel_stateless_gtp:1;
+	uint32_t max_lso_cap;
 	uint32_t lro_cap:1;
 	uint32_t tunnel_lro_gre:1;
 	uint32_t tunnel_lro_vxlan:1;