[dpdk-dev] [PATCH] net/mlx5: support RSS expansion for NVGRE

[Slava Ovsiienko]

> -----Original Message-----
> From: Jiawei(Jonny) Wang <jiaweiw at nvidia.com>
> Sent: Wednesday, May 12, 2021 9:43
> To: Matan Azrad <matan at nvidia.com>; Slava Ovsiienko
> <viacheslavo at nvidia.com>; Ori Kam <orika at nvidia.com>; Jack Min
> <jackmin at nvidia.com>; NBU-Contact-Thomas Monjalon
> <thomas at monjalon.net>
> Cc: dev at dpdk.org; Raslan Darawsheh <rasland at nvidia.com>;
> stable at dpdk.org
> Subject: [PATCH] net/mlx5: support RSS expansion for NVGRE
> 
> Currently RSS expansion only support GRE and GRE KEY.
> This patch add RSS expansion for NVGRE item so PMD can expand flow item
> correctly.
Please, fix typos:
support -> supportS
add -> addS

Also, the "fix" should be in headline.

With best regards,
Slava



> 
> Fixes: f4b901a46aec ("net/mlx5: add flow GRE item")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Jiawei Wang <jiaweiw at nvidia.com>
> Acked-by: Xiaoyu Min <jackmin at nvidia.com>
> ---
>  drivers/net/mlx5/mlx5_flow.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
> index 32634c9af7..73cc9acbd7 100644
> --- a/drivers/net/mlx5/mlx5_flow.c
> +++ b/drivers/net/mlx5/mlx5_flow.c
> @@ -407,6 +407,7 @@ enum mlx5_expansion {
>  	MLX5_EXPANSION_VXLAN,
>  	MLX5_EXPANSION_VXLAN_GPE,
>  	MLX5_EXPANSION_GRE,
> +	MLX5_EXPANSION_NVGRE,
>  	MLX5_EXPANSION_GRE_KEY,
>  	MLX5_EXPANSION_MPLS,
>  	MLX5_EXPANSION_ETH,
> @@ -465,6 +466,7 @@ static const struct mlx5_flow_expand_node
> mlx5_support_expansion[] = {
>  			(MLX5_EXPANSION_OUTER_IPV4_UDP,
>  			 MLX5_EXPANSION_OUTER_IPV4_TCP,
>  			 MLX5_EXPANSION_GRE,
> +			 MLX5_EXPANSION_NVGRE,
>  			 MLX5_EXPANSION_IPV4,
>  			 MLX5_EXPANSION_IPV6),
>  		.type = RTE_FLOW_ITEM_TYPE_IPV4,
> @@ -487,7 +489,8 @@ static const struct mlx5_flow_expand_node
> mlx5_support_expansion[] = {
>  			 MLX5_EXPANSION_OUTER_IPV6_TCP,
>  			 MLX5_EXPANSION_IPV4,
>  			 MLX5_EXPANSION_IPV6,
> -			 MLX5_EXPANSION_GRE),
> +			 MLX5_EXPANSION_GRE,
> +			 MLX5_EXPANSION_NVGRE),
>  		.type = RTE_FLOW_ITEM_TYPE_IPV6,
>  		.rss_types = ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 |
>  			ETH_RSS_NONFRAG_IPV6_OTHER,
> @@ -526,6 +529,10 @@ static const struct mlx5_flow_expand_node
> mlx5_support_expansion[] = {
>  		.type = RTE_FLOW_ITEM_TYPE_GRE_KEY,
>  		.optional = 1,
>  	},
> +	[MLX5_EXPANSION_NVGRE] = {
> +		.next =
> MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH),
> +		.type = RTE_FLOW_ITEM_TYPE_NVGRE,
> +	},
>  	[MLX5_EXPANSION_MPLS] = {
>  		.next =
> MLX5_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4,
>  						  MLX5_EXPANSION_IPV6),
> --
> 2.18.1