From: Florian Westphal <fw@strlen.de>
To: Eric Dumazet <eric.dumazet@gmail.com>,
Florian Westphal <fw@strlen.de>,
netdev@vger.kernel.org
Subject: Re: [PATCH 2/2] net: ip, ipv6: handle gso skbs in forwarding path
Date: Wed, 29 Jan 2014 11:53:47 +0100 [thread overview]
Message-ID: <20140129105347.GF30123@breakpoint.cc> (raw)
In-Reply-To: <20140128002707.GA12308@order.stressinduktion.org>
Hannes Frederic Sowa <hannes@stressinduktion.org> wrote:
> > TCP stream not using DF flag are very unlikely to care if we adjust
> > their MTU (lowering gso_size) at this point ?
>
> UDP shouldn't be a problem, too.
Sorry for late reply, but how can this be safe for UDP?
We should make sure that peer sees original, unchanged datagram?
And only solution for UDP that I can see is to do sw segmentation (i.e.
create ip fragments).
Thanks,
Florian
next prev parent reply other threads:[~2014-01-29 10:53 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-27 8:22 [PATCH 1/2] net: add and use skb_gso_transport_seglen() Florian Westphal
2014-01-27 8:22 ` [PATCH 2/2] net: ip, ipv6: handle gso skbs in forwarding path Florian Westphal
2014-01-27 8:34 ` David Miller
2014-01-27 8:36 ` Florian Westphal
2014-01-27 18:22 ` Eric Dumazet
2014-01-27 20:58 ` David Miller
2014-01-27 21:08 ` David Miller
2014-01-28 0:27 ` Hannes Frederic Sowa
2014-01-28 9:12 ` Florian Westphal
2014-01-29 10:53 ` Florian Westphal [this message]
2014-01-29 11:04 ` Hannes Frederic Sowa
2014-01-28 8:57 ` Florian Westphal
2014-01-28 16:34 ` Eric Dumazet
2014-01-28 17:15 ` Florian Westphal
2014-01-28 17:30 ` Eric Dumazet
2014-01-28 17:37 ` Florian Westphal
2014-01-29 11:00 ` Florian Westphal
2014-02-09 2:55 ` Herbert Xu
2014-02-10 12:23 ` Florian Westphal
2014-02-10 12:31 ` Herbert Xu
2014-02-10 12:43 ` Florian Westphal
2014-02-10 12:50 ` Herbert Xu
2014-02-10 13:08 ` Eric Dumazet
2014-02-10 13:15 ` Eric Dumazet
2014-02-10 13:12 ` Eric Dumazet
2014-01-27 8:30 ` [PATCH 1/2] net: add and use skb_gso_transport_seglen() David Miller
-- strict thread matches above, loose matches on Subject: below --
2014-02-22 9:33 [PATCH stable 3.4.y 0/2] gso/gro forwarding changeset Florian Westphal
2014-02-22 9:33 ` [PATCH 2/2] net: ip, ipv6: handle gso skbs in forwarding path Florian Westphal
2014-01-25 22:48 [PATCH 0/2] Fix handling of GRO " Florian Westphal
2014-01-25 22:48 ` [PATCH 2/2] net: ip, ipv6: handle gso " Florian Westphal
2014-01-26 1:37 ` Eric Dumazet
2014-01-26 9:22 ` Florian Westphal
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