[dpdk-dev] [PATCH v2 11/13] common/mlx5: read FCS scattering capability from DevX
Tal Shnaiderman
talshn at nvidia.com
Tue Oct 12 14:45:52 CEST 2021
mlx5 in Windows needs the hca capability scatter_fcs
to query the NIC support for the CRC keeping offload.
Added the capability as part of the capabilities
queried by the PMD using DevX.
Signed-off-by: Tal Shnaiderman <talshn at nvidia.com>
Acked-by: Matan Azrad <matan at nvidia.com>
Tested-by: Idan Hackmon <idanhac at nvidia.com>
---
drivers/common/mlx5/mlx5_devx_cmds.c | 2 ++
drivers/common/mlx5/mlx5_devx_cmds.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/common/mlx5/mlx5_devx_cmds.c b/drivers/common/mlx5/mlx5_devx_cmds.c
index deee4954f4..33c064a418 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.c
+++ b/drivers/common/mlx5/mlx5_devx_cmds.c
@@ -991,6 +991,8 @@ mlx5_devx_cmd_query_hca_attr(void *ctx,
lro_cap);
attr->max_lso_cap = MLX5_GET(per_protocol_networking_offload_caps,
hcattr, max_lso_cap);
+ attr->scatter_fcs = MLX5_GET(per_protocol_networking_offload_caps,
+ hcattr, scatter_fcs);
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 f4aa851cd0..6b9f191a69 100644
--- a/drivers/common/mlx5/mlx5_devx_cmds.h
+++ b/drivers/common/mlx5/mlx5_devx_cmds.h
@@ -115,6 +115,7 @@ struct mlx5_hca_attr {
uint32_t geneve_max_opt_len:1; /* 0x0: 14DW, 0x1: 63DW */
uint32_t tunnel_stateless_gtp:1;
uint32_t max_lso_cap;
+ uint32_t scatter_fcs:1;
uint32_t lro_cap:1;
uint32_t tunnel_lro_gre:1;
uint32_t tunnel_lro_vxlan:1;
--
2.16.1.windows.4
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