netdev - Re: [RFC bpf-next v7 0/6] bpf: Force to MPTCP

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Date: Tue, 1 Aug 2023 19:23:21 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Geliang Tang <geliang.tang@...e.com>
Cc: Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, 
	Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <martin.lau@...ux.dev>, Song Liu <song@...nel.org>, 
	Yonghong Song <yhs@...com>, 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>, 
	Florent Revest <revest@...omium.org>, Brendan Jackman <jackmanb@...omium.org>, 
	Matthieu Baerts <matthieu.baerts@...sares.net>, Mat Martineau <martineau@...nel.org>, 
	"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
	John Johansen <john.johansen@...onical.com>, Paul Moore <paul@...l-moore.com>, 
	James Morris <jmorris@...ei.org>, "Serge E. Hallyn" <serge@...lyn.com>, 
	Stephen Smalley <stephen.smalley.work@...il.com>, Eric Paris <eparis@...isplace.org>, 
	Mykola Lysenko <mykolal@...com>, Shuah Khan <shuah@...nel.org>, bpf <bpf@...r.kernel.org>, 
	Network Development <netdev@...r.kernel.org>, MPTCP Upstream <mptcp@...ts.linux.dev>, 
	apparmor@...ts.ubuntu.com, LSM List <linux-security-module@...r.kernel.org>, 
	selinux@...r.kernel.org, 
	"open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>
Subject: Re: [RFC bpf-next v7 0/6] bpf: Force to MPTCP

On Tue, Aug 1, 2023 at 7:19 PM Geliang Tang <geliang.tang@...e.com> wrote:
>
> On Mon, Jul 31, 2023 at 05:43:23PM -0700, Alexei Starovoitov wrote:
> > On Sat, Jul 29, 2023 at 05:57:21PM +0800, Geliang Tang wrote:
> > >
> > > The main idea is to add a hook in sys_socket() to change the protocol id
> > > from IPPROTO_TCP (or 0) to IPPROTO_MPTCP.
> >
> > I still think it's a hack, but its blast radius is nicely contained.
> > And since I cannot propose any better I'm ok with it.
> >
> > Patches 1-2 can be squashed into one.
> > Just like patches 3-6 as a single patch for selftests.
>
> Thanks Alexei. I'll squash patch 1 and patch 2 into one, and squash patch 3
> and patch 6 into one for selftests. But I prefer to keep patch 4 and patch 5
> as is, since they were implemented in different times for different purposes.
> They were merged into MPTCP repo on May 17 for "run MPTCP sched tests in a
> dedicated ns" [1].

since they were sent to a different tree than don't send them here.
git will not like that during the merge window.