netdev - Re: [PATCH iproute2 v2] tc: flower: support multiple MPLS LSE match

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Message-ID: <20200706111350.5a916e3e@hermes.lan>
Date:   Mon, 6 Jul 2020 11:13:50 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Guillaume Nault <gnault@...hat.com>
Cc:     netdev@...r.kernel.org, Andrea Claudi <aclaudi@...hat.com>
Subject: Re: [PATCH iproute2 v2] tc: flower: support multiple MPLS LSE match

On Wed, 1 Jul 2020 21:49:18 +0200
Guillaume Nault <gnault@...hat.com> wrote:

> Add the new "mpls" keyword that can be used to match MPLS fields in
> arbitrary Label Stack Entries.
> LSEs are introduced by the "lse" keyword and followed by LSE options:
> "depth", "label", "tc", "bos" and "ttl". The depth is manadtory, the
> other options are optionals.
> 
> For example, the following filter drops MPLS packets having two labels,
> where the first label is 21 and has TTL 64 and the second label is 22:
> 
> $ tc filter add dev ethX ingress proto mpls_uc flower mpls \
>     lse depth 1 label 21 ttl 64 \
>     lse depth 2 label 22 bos 1 \
>     action drop
> 
> Signed-off-by: Guillaume Nault <gnault@...hat.com>

Applied, thanks