netdev - Re: [PATCH v3 00/17] netfilter: add namespace support for netfilter protos

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Message-ID: <20120523104231.GG2836@1984>
Date:	Wed, 23 May 2012 12:42:31 +0200
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Gao feng <gaofeng@...fujitsu.com>
Cc:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	serge.hallyn@...onical.com, ebiederm@...ssion.com,
	dlezcano@...ibm.com
Subject: Re: [PATCH v3 00/17] netfilter: add namespace support for
 netfilter protos

On Mon, May 14, 2012 at 04:52:10PM +0800, Gao feng wrote:
> Currently the sysctl of netfilter proto is not isolated, so when
> changing proto's sysctl in container will cause the host's sysctl
> be changed too. it's not expected.
> 
> This patch set adds the namespace support for netfilter protos.
> 
> impletement four pernet_operations to register sysctl and initial
> pernet data for proto.
> 
> -ipv4_net_ops is used to register tcp4(compat),
>  udp4(compat),icmp(compat),ipv4(compat).
> -ipv6_net_ops is used to register tcp6,udp6 and icmpv6.
> -sctp_net_ops is used to register sctp4(compat) and sctp6.
> -udplite_net_ops is used to register udplite4 and udplite6
> 
> extern l[3,4]proto (sysctl) register functions to make them support
> namespace.
> 
> finailly add namespace support for cttimeout.

This requires another spin. It looks way better than previous version
but I don't want to take the patchset and then send another batch to
David to remove the .compat field, the unrequired export of couple of
symbols, and so on...

Thanks!
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