linux-kernel - Re: [PATCH v7 bpf-next 0/8] bpf: add helpers to support BTF-based kernel data display

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Message-ID: <CAADnVQ+Va+gZQb2ShMB3yS3SpW-2uuqe9GL+Hz0A8NZkiNhsEA@mail.gmail.com>
Date:   Mon, 28 Sep 2020 18:41:10 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Alan Maguire <alan.maguire@...cle.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andriin@...com>, Yonghong Song <yhs@...com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Petr Mladek <pmladek@...e.com>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>, Shuah Khan <shuah@...nel.org>,
        Andrey Ignatov <rdna@...com>, scott.branden@...adcom.com,
        Quentin Monnet <quentin@...valent.com>,
        carlos antonio neira bustos <cneirabustos@...il.com>,
        Jakub Sitnicki <jakub@...udflare.com>,
        Ingo Molnar <mingo@...hat.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        bpf <bpf@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>
Subject: Re: [PATCH v7 bpf-next 0/8] bpf: add helpers to support BTF-based
 kernel data display

On Mon, Sep 28, 2020 at 4:33 AM Alan Maguire <alan.maguire@...cle.com> wrote:
>
> Default output for an sk_buff looks like this (zeroed fields
> are omitted):
>
> (struct sk_buff){
>  .transport_header = (__u16)65535,
>  .mac_header = (__u16)65535,
>  .end = (sk_buff_data_t)192,
>  .head = (unsigned char *)0x000000007524fd8b,
>  .data = (unsigned char *)0x000000007524fd8b,
>  .truesize = (unsigned int)768,
>  .users = (refcount_t){
>   .refs = (atomic_t){
>    .counter = (int)1,
>   },
>  },
> }
>
> Flags can modify aspects of output format; see patch 3
> for more details.

Applied. Thanks a lot.