From: Paolo Abeni <pabeni at redhat.com>
To: mptcp at lists.01.org
Subject: [MPTCP] Re: [PATCH 1/4] mptcp: disable mptcp when md5sig is set on socket
Date: Mon, 11 Nov 2019 18:09:03 +0100 [thread overview]
Message-ID: <08604590495a33e491ec4292db5c6a9740801454.camel@redhat.com> (raw)
In-Reply-To: 20191111165802.GB19558@breakpoint.cc
[-- Attachment #1: Type: text/plain, Size: 647 bytes --]
On Mon, 2019-11-11 at 17:58 +0100, Florian Westphal wrote:
> Paolo Abeni <pabeni(a)redhat.com> wrote:
> > As per last public mtg discussion, md5sig will cause TCP option space
> > exaustion. Without md5sig we can't exhaust the TCP option space.
>
> How can you enable MD5SIG on an mptcp socket? I don't think its
> possible, as we don't expose the subflow tcp sockets to userspace and
> we don't allow setsockotps anymore.
I think you can via:
socket(MPTCP)
setsockopt()
connect() // or listen/accept()
AFAICS we still allow setsockopt on the fallback socket and US can
create the MPTCP connection later.
Cheers,
Paolo
next reply other threads:[~2019-11-11 17:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-11 17:09 Paolo Abeni [this message]
-- strict thread matches above, loose matches on Subject: below --
2019-11-11 17:06 [MPTCP] Re: [PATCH 1/4] mptcp: disable mptcp when md5sig is set on socket Paolo Abeni
2019-11-11 16:58 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=08604590495a33e491ec4292db5c6a9740801454.camel@redhat.com \
--to=unknown@example.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.