[dpdk-dev] [PATCH 3/3] net/mlx5: support checksum offload on Windows

[Odi Assli]

> Subject: [PATCH 3/3] net/mlx5: support checksum offload on Windows
> 
> Support of the checksum offloading by checking the relevant FW capability
> (csum_cap) for NIC support.
> 
> RX supported offloads:
> 
> DEV_RX_OFFLOAD_IPV4_CKSUM
> DEV_RX_OFFLOAD_UDP_CKSUM
> DEV_RX_OFFLOAD_TCP_CKSUM
> 
> TX supported offloads:
> 
> DEV_TX_OFFLOAD_IPV4_CKSUM
> DEV_TX_OFFLOAD_UDP_CKSUM
> DEV_TX_OFFLOAD_TCP_CKSUM
> 
> Signed-off-by: Tal Shnaiderman <talshn at nvidia.com>
> Acked-by: Matan Azrad <matan at nvidia.com>
> ---
>  drivers/net/mlx5/windows/mlx5_os.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/mlx5/windows/mlx5_os.c
> b/drivers/net/mlx5/windows/mlx5_os.c
> index 5e53042b85..3fe3f55f49 100644
> --- a/drivers/net/mlx5/windows/mlx5_os.c
> +++ b/drivers/net/mlx5/windows/mlx5_os.c
> @@ -420,8 +420,6 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
>  	err = mlx5_dev_check_sibling_config(priv, config);
>  	if (err)
>  		goto error;
> -	DRV_LOG(DEBUG, "checksum offloading is %ssupported",
> -		(config->hw_csum ? "" : "not "));
>  	DRV_LOG(DEBUG, "counters are not supported");
>  	config->ind_table_max_size =
>  		sh->device_attr.max_rwq_indirection_table_size;
> @@ -464,6 +462,9 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
>  			sh->cmng.relaxed_ordering_read =
>  				config->hca_attr.relaxed_ordering_read;
>  		}
> +		config->hw_csum = config->hca_attr.csum_cap;
> +		DRV_LOG(DEBUG, "checksum offloading is %ssupported",
> +		    (config->hw_csum ? "" : "not "));
>  	}
>  	if (config->devx) {
>  		uint32_t reg[MLX5_ST_SZ_DW(register_mtutc)];
> --
> 2.16.1.windows.4

Tested-by: Odi Assli <odia at nvidia.com>