From: Eric Dumazet <eric.dumazet@gmail.com>
To: Kieran Mansley <kmansley@solarflare.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>, netdev@vger.kernel.org
Subject: Re: TCPBacklogDrops during aggressive bursts of traffic
Date: Fri, 18 May 2012 20:40:43 +0200 [thread overview]
Message-ID: <1337366443.5101.3.camel@edumazet-laptop> (raw)
In-Reply-To: <1337355955.15044.24.camel@kjm-desktop.uk.level5networks.com>
Le vendredi 18 mai 2012 à 16:45 +0100, Kieran Mansley a écrit :
> > With net-next and tcp coalescing, I no longer have TCPBacklogDrops /
> > collapses, but I dont have sfc card/driver.
>
> I'll try that.
By the way, we should get rid of napi_get_frags() & napi_gro_frags() API
and use plain build_skb() instead.
This would save 1024 bytes per skb, and remove lot of GRO code (frag0,
frag0_len, skb_gro_header_fast(), skb_gro_header_hard()...), since by
definition skb->head would point to the frame.
next prev parent reply other threads:[~2012-05-18 18:40 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-15 14:38 TCPBacklogDrops during aggressive bursts of traffic Kieran Mansley
2012-05-15 14:56 ` Eric Dumazet
2012-05-15 15:00 ` Eric Dumazet
2012-05-15 16:29 ` Kieran Mansley
2012-05-15 16:34 ` Eric Dumazet
2012-05-15 16:47 ` Ben Hutchings
2012-05-15 17:01 ` Eric Dumazet
2012-05-15 17:23 ` Eric Dumazet
2012-05-17 16:31 ` Kieran Mansley
2012-05-17 16:37 ` Eric Dumazet
2012-05-18 15:45 ` Kieran Mansley
2012-05-18 15:49 ` Eric Dumazet
2012-05-18 15:53 ` Kieran Mansley
2012-05-18 18:40 ` Eric Dumazet [this message]
2012-05-22 8:20 ` Kieran Mansley
2012-05-22 9:25 ` Eric Dumazet
2012-05-22 9:30 ` Eric Dumazet
2012-05-22 15:09 ` Kieran Mansley
2012-05-22 16:12 ` Eric Dumazet
2012-05-22 16:32 ` Kieran Mansley
2012-05-22 16:45 ` Eric Dumazet
2012-05-22 20:54 ` Eric Dumazet
2012-05-23 9:44 ` Eric Dumazet
2012-05-23 12:09 ` Eric Dumazet
2012-05-23 16:04 ` Alexander Duyck
2012-05-23 16:12 ` Eric Dumazet
2012-05-23 16:39 ` Eric Dumazet
2012-05-23 17:10 ` Alexander Duyck
2012-05-23 21:19 ` Alexander Duyck
2012-05-23 21:37 ` Eric Dumazet
2012-05-23 22:03 ` Alexander Duyck
2012-05-23 16:58 ` Alexander Duyck
2012-05-23 17:24 ` Eric Dumazet
2012-05-23 17:57 ` Alexander Duyck
2012-05-23 17:34 ` David Miller
2012-05-23 17:46 ` Eric Dumazet
2012-05-23 17:57 ` David Miller
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