netdev - Re: [PATCH bpf-next v2 12/13] bpfilter: Add filter table

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Date:   Tue, 31 Aug 2021 08:45:50 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Dmitrii Banshchikov <me@...que.spb.ru>
Cc:     bpf <bpf@...r.kernel.org>, Alexei Starovoitov <ast@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Network Development <netdev@...r.kernel.org>,
        Andrey Ignatov <rdna@...com>
Subject: Re: [PATCH bpf-next v2 12/13] bpfilter: Add filter table

On Tue, Aug 31, 2021 at 5:52 AM Dmitrii Banshchikov <me@...que.spb.ru> wrote:
>
> Is it ok to add an external dependency to tests? The unit test
> will need to execute iptables binary.

Ideally not, but sometimes it's unavoidable.
iptables cmd is generally available.
selftests/bpf already have few tests that shell out to it.
They're not part of test_progs though.