netdev - Re: [PATCH v4 net-next-2.6] netfilter: x_tables: dont block BH while reading counters

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Date:	Sun, 09 Jan 2011 22:31:06 +0100
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	Patrick McHardy <kaber@...sh.net>,
	David Miller <davem@...emloft.net>,
	Jesper Dangaard Brouer <hawk@...x.dk>,
	netfilter-devel <netfilter-devel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>,
	Stephen Hemminger <shemminger@...tta.com>
Subject: Re: [PATCH v4 net-next-2.6] netfilter: x_tables: dont block BH while
 reading counters

On 08/01/11 17:45, Eric Dumazet wrote:
> David,
> 
> I am resending this patch, sent 3 weeks ago, Patrick gave no answer.
> 
> I believe it should be included in linux-2.6.38 and stable kernels.
> 
> Some people found they had to change NIC RX ring sizes in order not
> missing frames (from 1024 to 2048), while root cause of the problem was
> this.
> 
> Quoting Jesper : "I can now hit the system with a pktgen at 128 bytes,
> and see no drops/overruns while running iptables.  (This packet load at
> 128bytes is 822 kpps and 840Mbit/s) (iptables ruleset is the big chains:
> 20929 rules: 81239)."

I have enqueued this patch to me tree.

http://1984.lsi.us.es/git/?p=net-2.6/.git;a=summary

I'll pass it to davem for -stable submission.
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