netdev - Re: [PATCH bpf-next v2 1/2] bpf: expose __sk_buff wire_len/gso_segs to BPF_PROG_TEST

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Date:   Fri, 13 Dec 2019 15:34:59 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Stanislav Fomichev <sdf@...gle.com>
Cc:     Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>
Subject: Re: [PATCH bpf-next v2 1/2] bpf: expose __sk_buff wire_len/gso_segs
 to BPF_PROG_TEST_RUN

On Fri, Dec 13, 2019 at 2:30 PM Stanislav Fomichev <sdf@...gle.com> wrote:
>
> wire_len should not be less than real len and is capped by GSO_MAX_SIZE.
> gso_segs is capped by GSO_MAX_SEGS.
>
> v2:
> * set wire_len to skb->len when passed wire_len is 0 (Alexei Starovoitov)
>
> Cc: Martin KaFai Lau <kafai@...com>
> Signed-off-by: Stanislav Fomichev <sdf@...gle.com>

Now works. Applied.