From: Eric Dumazet <eric.dumazet@gmail.com>
To: Ben Hutchings <bhutchings@solarflare.com>
Cc: David Miller <davem@davemloft.net>,
shemminger@vyatta.com, netdev@vger.kernel.org
Subject: Re: [PATCH v2] ipv4: Early TCP socket demux.
Date: Wed, 20 Jun 2012 20:40:04 +0200 [thread overview]
Message-ID: <1340217604.4604.1569.camel@edumazet-glaptop> (raw)
In-Reply-To: <1340215664.2576.12.camel@bwh-desktop.uk.solarflarecom.com>
On Wed, 2012-06-20 at 19:07 +0100, Ben Hutchings wrote:
> I don't know what you mean by 'have no use'. It's enabled anyway, and I
> would expect that it's beneficial for some smaller routers.
>
I believe vast majority of linux powered devices are more hosts,
not routers (ip_forward default value is 0 by the way)
If someone wants to tune its linux router, he probably already disables
GRO because of various issues with too big packets.
GRO adds a significant cost to forwarding path.
next prev parent reply other threads:[~2012-06-20 18:40 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-19 23:39 [PATCH v2] ipv4: Early TCP socket demux David Miller
2012-06-20 0:21 ` Ben Hutchings
2012-06-20 0:54 ` David Miller
2012-06-20 1:03 ` Ben Hutchings
2012-06-20 1:05 ` David Miller
2012-06-20 2:02 ` David Miller
2012-06-20 18:16 ` Ben Hutchings
2012-06-20 2:35 ` Stephen Hemminger
2012-06-20 4:46 ` David Miller
2012-06-20 5:49 ` Eric Dumazet
2012-06-20 5:51 ` Eric Dumazet
2012-06-20 6:14 ` David Miller
2012-06-20 16:21 ` Rick Jones
2012-06-20 5:59 ` Eric Dumazet
2012-06-20 6:14 ` David Miller
2012-06-20 10:15 ` David Miller
2012-06-20 11:03 ` Eric Dumazet
2012-06-20 11:09 ` David Miller
2012-06-20 12:38 ` Eric Dumazet
2012-06-20 22:29 ` David Miller
2012-06-20 18:07 ` Ben Hutchings
2012-06-20 18:40 ` Eric Dumazet [this message]
2012-06-20 21:01 ` David Miller
2012-06-20 21:04 ` Stephen Hemminger
2012-06-20 21:17 ` Eric Dumazet
2012-06-20 21:26 ` David Miller
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