netdev - Re: [PATCH 2/3] netlink: allow to pass data pointer to netlink_dump

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Date:	Sun, 26 Feb 2012 14:27:07 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	pablo@...filter.org
Cc:	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org
Subject: Re: [PATCH 2/3] netlink: allow to pass data pointer to
 netlink_dump_start() callback

From: pablo@...filter.org
Date: Sat, 25 Feb 2012 01:30:16 +0100

> From: Pablo Neira Ayuso <pablo@...filter.org>
> 
> This patch allows you to pass a data pointer that can be
> accessed from the dump callback.
> 
> Netfilter is going to use this patch to provide filtered dumps
> to user-space. This is specifically interesting in ctnetlink that
> may handle lots of conntrack entries. We can save precious
> cycles by skipping the conversion to TLV format of conntrack
> entries that are not interesting for user-space.
> 
> More specifically, ctnetlink will include one operation to allow
> to filter the dumping of conntrack entries by ctmark values.
> 
> Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>

Applied.
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