mptcp.lists.linux.dev archive mirror
 help / color / mirror / Atom feed
From: Florian Westphal <fw@strlen.de>
To: Paolo Abeni <pabeni@redhat.com>
Cc: Florian Westphal <fw@strlen.de>,
	mptcp@lists.linux.dev, mptcp@lists.01.org
Subject: Re: [MPTCP] [RFC PATCH mptcp-next v2 1/8] mptcp: add skeleton to sync msk socket options to subflows
Date: Thu, 25 Mar 2021 13:49:04 +0100	[thread overview]
Message-ID: <20210325124904.GB26567@breakpoint.cc> (raw)
In-Reply-To: <2ee15b0397e7653f8d8cfd74d53398a6a5f0c19c.camel@redhat.com>

Paolo Abeni <pabeni@redhat.com> wrote:
> > In the outgoing case, the subflow isn't linked to the conn_list yet.
> 
> My bad! I did not recall we use join_list even for outgoing subflows...
> I'm wondering if we could move them directly in conn_list
> inside __mptcp_subflow_connect()? I think it should not be problematic.

I thought conn_list was only allowed to contain full subflows, but I see
that scheduler skips subflows with incomplete join.

But such change doesn't appear to be related to this one.

> > I'm not sure all options have this 'inherited from listener' behaviour.
> 
> Why not? the subflow socket is cloned from the listener TCP subflow. 
> 
> If tcp_create_openreq_child() does not propagate some socket option,
> then the expected behaviour is probably not propagating it.

Ok, so you propose to init ssk->sockopt_seq to msk->sockopt_seq in
mptcp_accept()?

  reply	other threads:[~2021-03-25 12:49 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-24 13:15 [RFC PATCH mptcp-next v2 0/8] initial SOL_SOCKET support Florian Westphal
2021-03-24 13:15 ` [RFC PATCH mptcp-next v2 1/8] mptcp: add skeleton to sync msk socket options to subflows Florian Westphal
2021-03-24 17:38   ` [MPTCP] " Paolo Abeni
2021-03-24 20:01     ` Florian Westphal
2021-03-25  9:51       ` Paolo Abeni
2021-03-25 12:49         ` Florian Westphal [this message]
2021-03-25 13:12           ` Paolo Abeni
2021-03-25 14:06             ` Florian Westphal
2021-03-25 14:33               ` Paolo Abeni
2021-03-25 14:45                 ` Florian Westphal
2021-03-26  9:59                   ` Paolo Abeni
2021-03-24 13:15 ` [RFC PATCH mptcp-next v2 2/8] mptcp: setsockopt: handle SO_KEEPALIVE and SO_PRIORITY Florian Westphal
2021-03-24 13:15 ` [RFC PATCH mptcp-next v2 3/8] mptcp: setsockopt: handle receive/send buffer and device bind Florian Westphal
2021-03-24 16:34   ` [MPTCP] " Paolo Abeni
2021-03-24 17:15     ` Florian Westphal
2021-03-24 13:15 ` [RFC PATCH mptcp-next v2 4/8] mptcp: setsockopt: support SO_LINGER Florian Westphal
2021-03-24 13:15 ` [RFC PATCH mptcp-next v2 5/8] mptcp: setsockopt: add SO_MARK support Florian Westphal
2021-03-25  1:22   ` Mat Martineau
2021-03-25  9:32     ` Florian Westphal
2021-03-26  0:14       ` Mat Martineau
2021-03-24 13:15 ` [RFC PATCH mptcp-next v2 6/8] mptcp: setsockopt: add SO_INCOMING_CPU Florian Westphal
2021-03-24 13:15 ` [RFC PATCH mptcp-next v2 7/8] mptcp: setsockopt: SO_DEBUG and no-op options Florian Westphal
2021-03-24 13:15 ` [RFC PATCH mptcp-next v2 8/8] mptcp: sockopt: add TCP_CONGESTION and TCP_INFO Florian Westphal

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210325124904.GB26567@breakpoint.cc \
    --to=fw@strlen.de \
    --cc=mptcp@lists.01.org \
    --cc=mptcp@lists.linux.dev \
    --cc=pabeni@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).