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From: David Miller <davem@davemloft.net>
To: wenxu@ucloud.cn
Cc: xiyou.wangcong@gmail.com, netdev@vger.kernel.org
Subject: Re: [PATCH net v2] net/sched: act_ct: fix miss set mru for ovs after defrag in act_ct
Date: Mon, 03 Aug 2020 15:05:44 -0700 (PDT)	[thread overview]
Message-ID: <20200803.150544.288223634189041379.davem@davemloft.net> (raw)
In-Reply-To: <1596163501-7113-1-git-send-email-wenxu@ucloud.cn>

From: wenxu@ucloud.cn
Date: Fri, 31 Jul 2020 10:45:01 +0800

> From: wenxu <wenxu@ucloud.cn>
> 
> When openvswitch conntrack offload with act_ct action. Fragment packets
> defrag in the ingress tc act_ct action and miss the next chain. Then the
> packet pass to the openvswitch datapath without the mru. The over
> mtu packet will be dropped in output action in openvswitch for over mtu.
> 
> "kernel: net2: dropped over-mtu packet: 1528 > 1500"
> 
> This patch add mru in the tc_skb_ext for adefrag and miss next chain
> situation. And also add mru in the qdisc_skb_cb. The act_ct set the mru
> to the qdisc_skb_cb when the packet defrag. And When the chain miss,
> The mru is set to tc_skb_ext which can be got by ovs datapath.
> 
> Fixes: b57dc7c13ea9 ("net/sched: Introduce action ct")
> Signed-off-by: wenxu <wenxu@ucloud.cn>

Applied and queued up for -stable, thank you.

      parent reply	other threads:[~2020-08-03 22:05 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-31  2:45 [PATCH net v2] net/sched: act_ct: fix miss set mru for ovs after defrag in act_ct wenxu
2020-08-01  6:06 ` Cong Wang
2020-08-03 22:05 ` David Miller [this message]

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