From: Steffen Klassert <steffen.klassert@secunet.com>
To: David Miller <davem@davemloft.net>
Cc: Yurij.Plotnikov@oktetlabs.ru, bhutchings@solarflare.com,
netdev@vger.kernel.org, Alexandra.Kossovsky@oktetlabs.ru
Subject: Re: [RFC PATCH 3/3] xfrm4: Invalidate all ipv4 routes on IPsec pmtu events
Date: Mon, 21 Jan 2013 13:04:12 +0100 [thread overview]
Message-ID: <20130121120412.GB9147@secunet.com> (raw)
In-Reply-To: <20130118.143923.1384219845592340856.davem@davemloft.net>
On Fri, Jan 18, 2013 at 02:39:23PM -0500, David Miller wrote:
> From: Steffen Klassert <steffen.klassert@secunet.com>
> Date: Fri, 18 Jan 2013 09:16:01 +0100
>
> > On IPsec pmtu events we can't access the transport headers of
> > the original packet, so we can't find the socket that sent
> > the packet. The only chance to notify the socket about the
> > pmtu change is to force a relookup for all routes. This
> > patch implenents this for the IPsec protocols.
> >
> > Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
>
> Expensive, but I really can't come up with a better idea.
I've just applied this to the ipsec tree.
I'll send a pull request tomorrow.
next prev parent reply other threads:[~2013-01-21 12:04 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-19 13:10 PMTU discovery is broken on kernel 3.7.1 for UDP sockets Yurij M. Plotnikov
2012-12-19 13:35 ` Ben Hutchings
2012-12-19 14:27 ` Yurij M. Plotnikov
2012-12-19 19:37 ` Ben Hutchings
2012-12-20 7:14 ` Yurij M. Plotnikov
2012-12-20 7:34 ` Steffen Klassert
2012-12-20 11:22 ` Yurij M. Plotnikov
2012-12-20 12:35 ` Steffen Klassert
2012-12-21 10:22 ` Steffen Klassert
2013-01-14 8:26 ` Yurij M. Plotnikov
2013-01-14 12:52 ` Steffen Klassert
2013-01-18 8:11 ` Steffen Klassert
2013-01-18 8:14 ` [RFC PATCH 1/3] ipv4: Invalidate the socket cached route on pmtu events if possible Steffen Klassert
2013-01-18 19:38 ` David Miller
2013-01-19 0:54 ` Julian Anastasov
2013-01-21 6:43 ` Steffen Klassert
2013-01-18 8:15 ` [RFC PATCH 2/3] ipv4: Add a socket release callback for datagram sockets Steffen Klassert
2013-01-18 19:39 ` David Miller
2013-01-18 8:16 ` [RFC PATCH 3/3] xfrm4: Invalidate all ipv4 routes on IPsec pmtu events Steffen Klassert
2013-01-18 19:39 ` David Miller
2013-01-21 6:48 ` Steffen Klassert
2013-01-21 12:04 ` Steffen Klassert [this message]
2013-01-21 11:31 ` PMTU discovery is broken on kernel 3.7.1 for UDP sockets Yurij M. Plotnikov
2013-01-21 11:38 ` Steffen Klassert
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