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Message-ID: <52C62A44.4070304@huawei.com>
Date:	Fri, 3 Jan 2014 11:11:00 +0800
From:	Libo Chen <clbchenlibo.chen@...wei.com>
To:	David Miller <davem@...emloft.net>, <jhs@...atatu.com>,
	Li Zefan <lizefan@...wei.com>
CC:	<edumazet@...gle.com>, <pshelar@...ira.com>, <jasowang@...hat.com>,
	<horms@...ge.net.au>, Serge Hallyn <serge.hallyn@...ntu.com>,
	<netdev@...r.kernel.org>, <cgroups@...r.kernel.org>,
	<containers@...ts.linux-foundation.org>, <kaber@...sh.net>,
	<xemul@...nvz.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [RFC PATCH net-next 0/4] net_cls for sys container

Hi guys,

Now, lxc created with veth can not be under control by
cls_cgroup.

the former discussion:
http://lkml.indiana.edu/hypermail/linux/kernel/1312.1/00214.html

In short, because cls_cgroup relys classid attached to sock
filter skb, but sock will be cleared inside dev_forward_skb()
in veth_xmit().

so I add backup_classid in struct sk_buffer to save classid
before dev_forward_skb(). In cls_cgroup_classify(), if skb->sk
is NULL, we can try to restore classid form skb->bk_classid.


Libo Chen (4):
  net: introduce bk_classid to struct sk_buff
  cls_cgroup: introduce a helper: bk_cls_classid()
  veth: backup classid befor switch net_ns
  cls_cgroup: restore classid from skb->sk_classid

 drivers/net/veth.c       |  5 +++++
 include/linux/skbuff.h   |  3 +++
 include/net/cls_cgroup.h | 11 +++++++++++
 net/sched/cls_cgroup.c   |  8 ++++----
 4 files changed, 23 insertions(+), 4 deletions(-)

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