Re: [dpdk-dev] [PATCH v3 08/11] net/mlx5: support match on IPv6 fragment packets

[Ori Kam]

Hi

> -----Original Message-----
> From: Dekel Peled <dek...@nvidia.com>
> Sent: Monday, October 5, 2020 11:36 AM
> Subject: [PATCH v3 08/11] net/mlx5: support match on IPv6 fragment packets
> 
> This patch adds to MLX5 PMD the support of matching on IPv6
> fragmented and non-fragmented packets, using the new field
> frag_ext_exist, added to rte_flow following RFC [1].
> 
> [1]
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmails.dp
> dk.org%2Farchives%2Fdev%2F2020-
> August%2F177257.html&amp;data=02%7C01%7Corika%40nvidia.com%7Cbdd7c
> 0dab63e4dee1c5a08d86909f193%7C43083d15727340c1b7db39efd9ccc17a%7C
> 0%7C1%7C637374838713645970&amp;sdata=DqFljgZKStcjqIiwKYh63by%2FmC
> 1t9slR5bobh7jcM70%3D&amp;reserved=0
> 
> Signed-off-by: Dekel Peled <dek...@nvidia.com>
> ---
>  drivers/net/mlx5/mlx5_flow_dv.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/net/mlx5/mlx5_flow_dv.c
> b/drivers/net/mlx5/mlx5_flow_dv.c
> index 3379caf..4403abc 100644
> --- a/drivers/net/mlx5/mlx5_flow_dv.c
> +++ b/drivers/net/mlx5/mlx5_flow_dv.c
> @@ -5211,6 +5211,7 @@ struct field_modify_info modify_tcp[] = {
>                       .proto = 0xff,
>                       .hop_limits = 0xff,
>               },
> +             .frag_ext_exist = 1,
>       };
>       const struct rte_flow_item_ecpri nic_ecpri_mask = {
>               .hdr = {
> @@ -6519,6 +6520,10 @@ struct field_modify_info modify_tcp[] = {
>                ipv6_m->hdr.hop_limits);
>       MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ttl_hoplimit,
>                ipv6_v->hdr.hop_limits & ipv6_m->hdr.hop_limits);
> +     MLX5_SET(fte_match_set_lyr_2_4, headers_m, frag,
> +              !!(ipv6_m->frag_ext_exist));
> +     MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag,
> +              !!(ipv6_v->frag_ext_exist & ipv6_m->frag_ext_exist));
>  }
> 
>  /**
> --
> 1.8.3.1

Acked-by: Ori Kam <or...@nvidia.com>
Thanks,
Ori