summaryrefslogtreecommitdiff
path: root/include/net
diff options
context:
space:
mode:
authorwenxu <wenxu@ucloud.cn>2020-07-31 10:45:01 +0800
committerDavid S. Miller <davem@davemloft.net>2020-08-03 15:04:48 -0700
commit038ebb1a713d114d54dbf14868a73181c0c92758 (patch)
treeb97c432cf952c8728871aee893a4af68acc94257 /include/net
parent530fe9d433b9e60251bb8fdc5dddecbc486a50ef (diff)
net/sched: act_ct: fix miss set mru for ovs after defrag in act_ct
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> Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/sch_generic.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index c510b03b9751..d60e7c39d60c 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -384,6 +384,7 @@ struct qdisc_skb_cb {
};
#define QDISC_CB_PRIV_LEN 20
unsigned char data[QDISC_CB_PRIV_LEN];
+ u16 mru;
};
typedef void tcf_chain_head_change_t(struct tcf_proto *tp_head, void *priv);
@@ -463,7 +464,7 @@ static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz)
{
struct qdisc_skb_cb *qcb;
- BUILD_BUG_ON(sizeof(skb->cb) < offsetof(struct qdisc_skb_cb, data) + sz);
+ BUILD_BUG_ON(sizeof(skb->cb) < sizeof(*qcb));
BUILD_BUG_ON(sizeof(qcb->data) < sz);
}