From: David Miller <davem@davemloft.net>
To: therbert@google.com
Cc: netdev@vger.kernel.org, lorenzo@google.com
Subject: Re: [PATCH] IPv6: fix rt_lookup in pmtu_discovery
Date: Thu, 07 Jan 2010 01:27:01 -0800 (PST) [thread overview]
Message-ID: <20100107.012701.257511338.davem@davemloft.net> (raw)
In-Reply-To: <65634d661001062043s1b4eb204v63566149bb44f144@mail.gmail.com>
From: Tom Herbert <therbert@google.com>
Date: Wed, 6 Jan 2010 20:43:48 -0800
> In rt6_pmtu_discovery a route lookup is done constrained to the
> receiving interface of the ICMP message. In the case of an asymmetric
> routing, the receive interface may be different than the sending
> interface, so no route will be found in such cases and pmtu is never
> correctly set in the route to the destination. This patch fixes that
> by not using the receive interface in the lookup.
>
> Signed-off-by: Tom Herbert <therbert@google.com>
This needs to do what the IPV4 side does, iterate over specific then
"any" device index, doing a lookup for each case until the route is
found, therefore starting from more specific and going towards less
specific routes.
next prev parent reply other threads:[~2010-01-07 9:26 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-07 4:43 [PATCH] IPv6: fix rt_lookup in pmtu_discovery Tom Herbert
2010-01-07 9:27 ` David Miller [this message]
2010-01-08 1:05 ` Maciej Żenczykowski
2010-01-08 1:10 ` David Miller
2010-01-09 0:12 ` Lorenzo Colitti
2010-01-10 21:15 ` David Miller
2010-01-14 0:51 ` Maciej Żenczykowski
2010-01-20 22:55 ` Maciej Żenczykowski
2010-01-20 22:57 ` David Miller
2010-01-20 23:33 ` Maciej Żenczykowski
2010-01-23 10:20 ` David Miller
2010-09-27 10:05 ` [PATCH] net: Fix IPv6 PMTU disc. w/ asymmetric routes Maciej Żenczykowski
[not found] ` <AANLkTikPOHy79E1ZG=iJ-rHj0vzS+AY-mGqCEtWoXp2o@mail.gmail.com>
2010-09-27 18:11 ` David Miller
2010-09-28 20:58 ` David Miller
2010-09-28 22:37 ` Maciej Żenczykowski
2010-09-30 7:41 ` David Miller
2010-10-03 21:49 ` David Miller
2010-10-04 0:21 ` Maciej Żenczykowski
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=20100107.012701.257511338.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=lorenzo@google.com \
--cc=netdev@vger.kernel.org \
--cc=therbert@google.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).