netdev - Re: [PATCH net-next v2 00/12] Begin upstreaming Homa transport protocol

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Message-ID: <Z0D62cS7DgkHYEDr@pop-os.localdomain>
Date: Fri, 22 Nov 2024 13:42:49 -0800
From: Cong Wang <xiyou.wangcong@...il.com>
To: John Ousterhout <ouster@...stanford.edu>
Cc: netdev@...r.kernel.org, linux-api@...r.kernel.org
Subject: Re: [PATCH net-next v2 00/12] Begin upstreaming Homa transport
 protocol

On Tue, Nov 19, 2024 at 01:13:36PM -0800, John Ousterhout wrote:
> On Thu, Nov 14, 2024 at 8:59 AM John Ousterhout <ouster@...stanford.edu> wrote:
> >
> > On Wed, Nov 13, 2024 at 9:08 AM Cong Wang <xiyou.wangcong@...il.com> wrote:
> >
> > > 2. Please consider adding socket diagnostics, see net/ipv4/inet_diag.c.
> >
> > I wasn't familiar with them before your email; I'll take a look.
> 
> I have taken a look at socket diagnostics, and I agree that Homa
> should support them. However, this looks like a nontrivial task: there
> appears to be a fair amount of complexity there, not much
> documentation, and the current diagnostics appear pretty TCP-specific
> so it may take some work (and advice) to figure out how to map them
> onto Homa. Thus it feels like it will take a fair amount of
> back-and-forth to get this right. I would prefer to defer this until
> after the main body of Homa has been upstreamed, then have a patch
> series that is dedicated to socket diagnostics support, rather than
> lumping socket diagnostics into the current patch series. Is that OK
> with you?
> 

Sure, I don't think it is a blocker here, it is just a nice feature to
promote Homa.

Thanks.