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From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: tore@fud.no, maze@google.com, netdev@vger.kernel.org,
	therbert@google.com
Subject: Re: [PATCH net-next] ipv6: RTAX_FEATURE_ALLFRAG causes inefficient TCP segment sizing
Date: Wed, 25 Apr 2012 14:39:26 -0400 (EDT)	[thread overview]
Message-ID: <20120425.143926.1031867921141711841.davem@davemloft.net> (raw)
In-Reply-To: <1335348157.3274.30.camel@edumazet-glaptop>

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 25 Apr 2012 12:02:37 +0200

> On Wed, 2012-04-25 at 11:38 +0200, Eric Dumazet wrote:
> 
>> Hmm, but what if we change linux to choice a) instead of b) ?
>> 
>> That is, not cap mtu to minimum value 1280 (and not use anymore
>> RTAX_FEATURE_ALLFRAG) : dst_allfrag() would be always false.
>> 
>> In this case, do we still need to send the frag header ?
>> 
>> I ask this because some TSO6 implementations probably dont cope very
>> well with this added header (untested path)
>> 
> 
> So a patch against net-next would looks like :
> 
> (Incredible, we remove some code in linux ;) )

I wouldn't mind applying this :-)

  reply	other threads:[~2012-04-25 18:40 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-24 17:37 [PATCH net-next] ipv6: RTAX_FEATURE_ALLFRAG causes inefficient TCP segment sizing Eric Dumazet
2012-04-24 19:49 ` Maciej Żenczykowski
2012-04-24 20:10   ` Eric Dumazet
2012-04-24 21:50     ` Maciej Żenczykowski
2012-04-24 21:51       ` Maciej Żenczykowski
2012-04-25  5:32       ` Eric Dumazet
2012-04-25  7:34         ` Maciej Żenczykowski
2012-04-25  9:20           ` Tore Anderson
2012-04-25  9:38             ` Eric Dumazet
2012-04-25  9:51               ` Tore Anderson
2012-04-25  9:52               ` Maciej Żenczykowski
2012-04-25 10:02               ` Eric Dumazet
2012-04-25 18:39                 ` David Miller [this message]
2012-04-25  9:48             ` Maciej Żenczykowski
2012-04-25 10:04               ` Tore Anderson
2012-04-25 10:15                 ` Eric Dumazet
2012-04-25 10:30                 ` Maciej Żenczykowski
2012-04-25 10:44                   ` Eric Dumazet
2012-04-26 10:32                     ` Tore Anderson
2012-04-25 10:45                   ` Tore Anderson
2012-04-25 11:02                     ` Maciej Żenczykowski
2012-04-25 11:49                       ` Tore Anderson
2012-04-25 11:55                         ` Maciej Żenczykowski
2012-04-27  4:03 ` David Miller

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