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Message-ID: <CAADnVQL4z=LcJW7iD246Tc+TB-Ast-eYHA9DaN9q6dgQ_Z97Wg@mail.gmail.com>
Date: Wed, 8 May 2024 07:32:38 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Matthieu Baerts <matttbe@...nel.org>
Cc: MPTCP Upstream <mptcp@...ts.linux.dev>, Mat Martineau <martineau@...nel.org>,
Geliang Tang <geliang@...nel.org>, Andrii Nakryiko <andrii@...nel.org>,
Eduard Zingerman <eddyz87@...il.com>, Mykola Lysenko <mykolal@...com>, Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>, Martin KaFai Lau <martin.lau@...ux.dev>, Song Liu <song@...nel.org>,
Yonghong Song <yonghong.song@...ux.dev>, John Fastabend <john.fastabend@...il.com>,
KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...gle.com>, Hao Luo <haoluo@...gle.com>,
Jiri Olsa <jolsa@...nel.org>, Shuah Khan <shuah@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
Network Development <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
"open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>, Geliang Tang <tanggeliang@...inos.cn>
Subject: Re: [PATCH bpf-next 3/4] selftests/bpf: Add mptcp subflow example
On Wed, May 8, 2024 at 12:36 AM Matthieu Baerts <matttbe@...nel.org> wrote:
>
> >
> > The concern with picking reno is extra deps to CI and every developer.
> > Currently in selftests/bpf/config we do:
> > CONFIG_TCP_CONG_DCTCP=y
> > CONFIG_TCP_CONG_BBR=y
> >
> > I'd like to avoid adding reno there as well.
> > Will bpf_setsockopt("dctcp") work?
>
> We picked Reno because this is an inlined kernel module that is always
> built: there is no kernel config to set, no extra deps. Also, it is
> usually not used as default, mostly used as fallback, so the
> verification should not be an issue.
Ahh. didn't realize that it's builtin. Then sure. keep it as reno.
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