netdev - Re: [PATCH bpf-next v1 2/3] selftests/bpf: Add socketpair to create

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Message-ID: <tyq6qbwxvsiow5kdem5rgg5pxgvvzfreqlyfac25lqsvep4ytn@tmncdaawn6ul>
Date: Fri, 28 Feb 2025 12:51:01 +0800
From: Jiayuan Chen <jiayuan.chen@...ux.dev>
To: Cong Wang <xiyou.wangcong@...il.com>
Cc: cong.wang@...edance.com, john.fastabend@...il.com, 
	jakub@...udflare.com, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, 
	pabeni@...hat.com, horms@...nel.org, andrii@...nel.org, eddyz87@...il.com, 
	mykolal@...com, ast@...nel.org, daniel@...earbox.net, martin.lau@...ux.dev, 
	song@...nel.org, yonghong.song@...ux.dev, kpsingh@...nel.org, sdf@...ichev.me, 
	haoluo@...gle.com, jolsa@...nel.org, shuah@...nel.org, mhal@...x.co, 
	sgarzare@...hat.com, netdev@...r.kernel.org, bpf@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, mrpre@....com
Subject: Re: [PATCH bpf-next v1 2/3] selftests/bpf: Add socketpair to
 create_pair to support unix socket

On Thu, Feb 27, 2025 at 11:52:04AM -0800, Cong Wang wrote:
> On Wed, Feb 26, 2025 at 09:22:41PM +0800, Jiayuan Chen wrote:
> > Current wrapper function create_pair() is used to create a pair of
> > connected links and returns two fds, but it does not support unix sockets.
> > 
> > Here we introduce socketpair() into create_pair(), which supports creating
> > a pair of unix sockets, since the semantics of the two are the same.
> 
> Since it is only for UDS and only has effectively 1 line of code, how
> about just calling socketpair(AF_UNIX) in your patch 3/3?
> 
> Thanks!
Thanks, Cong, I'll expand selftest to cover TCP and UDP, looks like I
missed doing those.