From: Eric Dumazet <eric.dumazet@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: alexander.h.duyck@intel.com, jeffrey.t.kirsher@intel.com,
donald.c.skidmore@intel.com, gregory.v.rose@intel.com,
john.r.fastabend@intel.com, jesse.brandeburg@intel.com,
netdev@vger.kernel.org
Subject: Re: TSO not 10G friendly if peer is close enough
Date: Wed, 18 Apr 2012 05:00:38 +0200 [thread overview]
Message-ID: <1334718038.2472.76.camel@edumazet-glaptop> (raw)
In-Reply-To: <20120417.174759.327568768780440362.davem@davemloft.net>
On Tue, 2012-04-17 at 17:47 -0400, David Miller wrote:
> From: Eric Dumazet <eric.dumazet@gmail.com>
> Date: Tue, 17 Apr 2012 23:38:42 +0200
>
> > Hmm... maybe tcp_trim_head should not trim but only update an offset in
> > skb... With some luck, offset can reach skb->len when all data is
> > ACKnowledged...
>
> This is definitely the way to fix this. Just essentially defer all
> the page operations until later when the entire SKB is consumed.
Yes, I'll implement this today.
Thanks
next prev parent reply other threads:[~2012-04-18 3:00 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-17 9:06 [BUG] ixgbe: something wrong with queue selection ? Eric Dumazet
2012-04-17 9:16 ` Jeff Kirsher
2012-04-17 16:01 ` Alexander Duyck
2012-04-17 16:38 ` John Fastabend
2012-04-17 17:07 ` Ben Hutchings
2012-04-17 16:46 ` Eric Dumazet
2012-04-17 21:38 ` TSO not 10G friendly if peer is close enough Eric Dumazet
2012-04-17 21:47 ` David Miller
2012-04-18 3:00 ` Eric Dumazet [this message]
2012-04-18 15:49 ` [PATCH net-next] tcp: avoid expensive pskb_expand_head() calls Eric Dumazet
[not found] ` <4F8EF317.10504@hp.com>
2012-04-18 17:16 ` Eric Dumazet
2012-04-18 17:30 ` Rick Jones
2012-04-18 17:40 ` Eric Dumazet
2012-04-18 18:40 ` Neal Cardwell
2012-04-18 19:18 ` Eric Dumazet
2012-04-18 19:51 ` [PATCH v2 " Eric Dumazet
2012-04-19 11:10 ` Ilpo Järvinen
2012-04-19 11:30 ` Eric Dumazet
2012-04-19 11:40 ` Eric Dumazet
2012-04-19 11:57 ` Ilpo Järvinen
2012-04-19 12:44 ` Eric Dumazet
2012-04-20 12:27 ` Ilpo Järvinen
2012-04-19 13:18 ` Eric Dumazet
2012-04-19 13:52 ` Eric Dumazet
2012-04-19 14:10 ` Eric Dumazet
2012-04-19 17:20 ` Rick Jones
2012-04-19 17:25 ` Eric Dumazet
2012-04-19 17:48 ` Rick Jones
2012-04-19 18:00 ` Eric Dumazet
2012-04-19 18:05 ` Rick Jones
2012-04-18 19:41 ` [PATCH " Vijay Subramanian
2012-04-18 19:49 ` Eric Dumazet
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