All of lore.kernel.org
 help / color / mirror / Atom feed
From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Wolfgang Walter <linux@stwm.de>
Cc: netdev@vger.kernel.org
Subject: Re: linux 3.13: problems with isatap tunnel device and UFO
Date: Fri, 7 Feb 2014 18:56:41 +0100	[thread overview]
Message-ID: <20140207175641.GB16198@order.stressinduktion.org> (raw)
In-Reply-To: <1682505.dP4nT04FC9@h2o.as.studentenwerk.mhn.de>

Hi!

On Fri, Feb 07, 2014 at 06:47:07PM +0100, Wolfgang Walter wrote:
> with kernel 3.13 I have a problem with isatap tunnels receiving fragmented 
> ipv6 udp packets.

Which was the last known version that did work? Also dropwatch and nstat could
give a first hint.

> If I switch of ufo for the tunnel device the problem disappears:
> 	ethtool -K is0 ufo off
> 
> When UFO is on tcpdump shows the packets on the physical device but not on the 
> tunnel device. The packets seem to be discarded.
> 
> With UFO off I can see them on is0 (and the packet is delivered to the 
> socket).

Thanks for the report, I'll look at it.

Greetings,

  Hannes

  reply	other threads:[~2014-02-07 17:56 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-07 17:47 linux 3.13: problems with isatap tunnel device and UFO Wolfgang Walter
2014-02-07 17:56 ` Hannes Frederic Sowa [this message]
2014-02-07 18:17   ` Wolfgang Walter
2014-02-07 22:22     ` Hannes Frederic Sowa
2014-02-08 23:17       ` Wolfgang Walter
2014-02-11  2:44         ` Hannes Frederic Sowa
2014-02-11 17:42           ` Wolfgang Walter
2014-02-17 16:09             ` Hannes Frederic Sowa
2014-02-20  2:44               ` Hannes Frederic Sowa
2014-02-20  2:54                 ` Hannes Frederic Sowa
2014-02-21  0:43                 ` Cong Wang
2014-02-21  1:19                   ` Hannes Frederic Sowa
2014-02-23 21:05                     ` [PATCH net] ipv4: ipv6: better estimate tunnel header cut for correct ufo handling Hannes Frederic Sowa
2014-02-23 21:24                       ` [PATCH net v2] " Hannes Frederic Sowa
2014-02-23 23:48                         ` [PATCH net v3] " Hannes Frederic Sowa
2014-02-25 23:27                           ` David Miller
2014-02-26 13:47                             ` Hannes Frederic Sowa
2014-02-26 18:45                               ` David Miller
2014-03-07 14:13                           ` Wolfgang Walter

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=20140207175641.GB16198@order.stressinduktion.org \
    --to=hannes@stressinduktion.org \
    --cc=linux@stwm.de \
    --cc=netdev@vger.kernel.org \
    /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.