netdev - Re: [PATCHv3 iproute2-next 0/5] iproute2: add libbpf support

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Date:   Wed, 04 Nov 2020 12:20:55 +0100
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Hangbin Liu <haliu@...hat.com>
Cc:     David Ahern <dsahern@...il.com>,
        Andrii Nakryiko <andrii.nakryiko@...il.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        David Miller <davem@...emloft.net>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Jiri Benc <jbenc@...hat.com>,
        Andrii Nakryiko <andrii@...nel.org>
Subject: Re: [PATCHv3 iproute2-next 0/5] iproute2: add libbpf support

Daniel Borkmann <daniel@...earbox.net> writes:

> Back in the days when developing lib/bpf.c, it was explicitly done as
> built-in for iproute2 so that it doesn't take years for users to
> actually get to the point where they can realistically make use of it.
> If we were to extend the internal lib/bpf.c to similar feature state
> as libbpf today, how is that different in the bigger picture compared
> to sync or submodule... so far noone complained about lib/bpf.c.

Except that this whole effort started because lib/bpf.c is slowly
bitrotting into oblivion? If all the tools are dynamically linked
against libbpf, that's only one package the distros have to keep
up-to-date instead of a whole list of tools. How does that make things
*worse*?

-Toke