netdev - RE: [PATCH bpf-next V13 6/7] selftests/bpf: use bpf_check_mtu in selftest test_cls

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Date:   Thu, 28 Jan 2021 22:55:15 -0800
From:   John Fastabend <john.fastabend@...il.com>
To:     Jesper Dangaard Brouer <brouer@...hat.com>, bpf@...r.kernel.org
Cc:     Jesper Dangaard Brouer <brouer@...hat.com>, netdev@...r.kernel.org,
        Daniel Borkmann <borkmann@...earbox.net>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        maze@...gle.com, lmb@...udflare.com, shaun@...era.io,
        Lorenzo Bianconi <lorenzo@...nel.org>, marek@...udflare.com,
        John Fastabend <john.fastabend@...il.com>,
        Jakub Kicinski <kuba@...nel.org>, eyal.birger@...il.com,
        colrack@...il.com
Subject: RE: [PATCH bpf-next V13 6/7] selftests/bpf: use bpf_check_mtu in
 selftest test_cls_redirect

Jesper Dangaard Brouer wrote:
> This demonstrate how bpf_check_mtu() helper can easily be used together
> with bpf_skb_adjust_room() helper, prior to doing size adjustment, as
> delta argument is already setup.
> 
> Hint: This specific test can be selected like this:
>  ./test_progs -t cls_redirect
> 
> Signed-off-by: Jesper Dangaard Brouer <brouer@...hat.com>
> ---

Acked-by: John Fastabend <john.fastabend@...il.com>