[dpdk-dev] [PATCH] net/mlx5: limit implicitly MPLS RSS expansion

Raslan Darawsheh rasland at nvidia.com
Wed Jul 28 15:57:12 CEST 2021


Hi,

> -----Original Message-----
> From: Suanming Mou <suanmingm at nvidia.com>
> Sent: Wednesday, July 28, 2021 11:24 AM
> To: Slava Ovsiienko <viacheslavo at nvidia.com>; Matan Azrad
> <matan at nvidia.com>
> Cc: Raslan Darawsheh <rasland at nvidia.com>; dev at dpdk.org
> Subject: [PATCH] net/mlx5: limit implicitly MPLS RSS expansion
> 
> As [1] optimized the MPLS RSS expansion before, this commit limits
> the implicitly MPLS RSS expansion for MPLSoGRE as well. For the
> RSS flow matcher to GRE level only, it will not expand the MPLS
> match item for the sub flows due to performance consideration.
> 
> The original RSS flow match item:
> ETH VLAN IPV6 GRE GRE_KEY END
> 
> The previous RSS expansion:
> ETH VLAN IPV6 GRE GRE_KEY END
> ETH VLAN IPV6 GRE GRE_KEY IPV4 END
> ETH VLAN IPV6 GRE GRE_KEY MPLS IPV4 END
> ETH VLAN IPV6 GRE GRE_KEY MPLS ETH IPV4 END
> 
> New RSS expansion:
> ETH VLAN IPV6 GRE GRE_KEY END
> ETH VLAN IPV6 GRE GRE_KEY IPV4 END
> 
> [1]
> commit a26cc30fa046 ("net/mlx5: limit inner RSS expansion for MPLS")
> 
> Signed-off-by: Suanming Mou <suanmingm at nvidia.com>
> Acked-by: Xiaoyu Min <jackmin at nvidia.com>
> Acked-by: Matan Azrad <matan at nvidia.com>
> ---

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh


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