netdev - Re: CONFIG_NF_CONNTRACK

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Message-ID: <20150125112209.GD13167@breakpoint.cc>
Date:	Sun, 25 Jan 2015 12:22:09 +0100
From:	Florian Westphal <fw@...len.de>
To:	Oleg <lego12239@...dex.ru>
Cc:	netdev@...r.kernel.org
Subject: Re: CONFIG_NF_CONNTRACK_PROCFS

Oleg <lego12239@...dex.ru> wrote:
> net/netfilter/nf_conntrack procfs file is marked as obsolete in the recent
> kernels. What's wrong with it? Or it's simply a new fashion to replace
> simple file interface with anything else?

proc has several drawbacks vs. ctnetlink:
 - not extensible
 - doesn't have ability to query for particular items
 - no add/delete support
 - no event notification (e.g. conntrack -E)
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