[dpdk-stable] [dpdk-dev] [PATCH] net/mlx5: fix match MPLS over GRE with key

[Raslan Darawsheh]

Hi,

> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Xiaoyu Min
> Sent: Thursday, July 1, 2021 8:55 AM
> To: Matan Azrad <matan at nvidia.com>; Shahaf Shuler
> <shahafs at nvidia.com>; Slava Ovsiienko <viacheslavo at nvidia.com>; Jack Min
> <jackmin at nvidia.com>
> Cc: dev at dpdk.org; stable at dpdk.org
> Subject: [dpdk-dev] [PATCH] net/mlx5: fix match MPLS over GRE with key
> 
> Currently PMD needs previous layer information in order to set
> corresponding match field for MPLSoGRE or MPLSoUDP.
> 
> GRE_KEY item is missing as supported previous layer when translate
> item MPLS, which causes flow[1] cannot match MPLS over GRE traffic.
> 
> According to RFC4023, MPLS over GRE tunnel with optional key
> field needs to be supported too.
> 
> By adding missing GRE_KEY as supported previous layer fix problem.
> 
> [1]:
> flow create 0 ingress pattern eth / ipv6 / gre k_bit is 1 / gre_key /
> mpls label is 966138 / end actions queue index 1 / mark id 0xa / end
> 
> Fixes: a7a0365565a4 ("net/mlx5: match GRE key and present bits")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Xiaoyu Min <jackmin at nvidia.com>

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh