netdev - Re: [PATCH bpf-next v3 17/21] tools/libpf: add offsetof/container_of macro in bpf

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Message-ID: <CAEf4BzYP4BDMLRkGDRKukq7-P4SKdJpx6gGfw4mPUQcQ77Ts+A@mail.gmail.com>
Date:   Fri, 8 May 2020 12:48:22 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Yonghong Song <yhs@...com>
Cc:     Andrii Nakryiko <andriin@...com>, bpf <bpf@...r.kernel.org>,
        Martin KaFai Lau <kafai@...com>,
        Networking <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH bpf-next v3 17/21] tools/libpf: add offsetof/container_of
 macro in bpf_helpers.h

On Wed, May 6, 2020 at 10:40 PM Yonghong Song <yhs@...com> wrote:
>
> These two helpers will be used later in bpf_iter bpf program
> bpf_iter_netlink.c. Put them in bpf_helpers.h since they could
> be useful in other cases.
>
> Signed-off-by: Yonghong Song <yhs@...com>
> ---

Not sure #ifndef/#endif guards are needed, but won't hurt either.

Acked-by: Andrii Nakryiko <andriin@...com>

>  tools/lib/bpf/bpf_helpers.h | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>

[...]