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| author | wenxu <wenxu@ucloud.cn> | 2020-07-31 10:45:01 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-03 15:04:48 -0700 |
| commit | 038ebb1a713d114d54dbf14868a73181c0c92758 (patch) | |
| tree | b97c432cf952c8728871aee893a4af68acc94257 /net/openvswitch | |
| parent | 530fe9d433b9e60251bb8fdc5dddecbc486a50ef (diff) | |
| download | linux-stable-038ebb1a713d114d54dbf14868a73181c0c92758.tar.gz linux-stable-038ebb1a713d114d54dbf14868a73181c0c92758.tar.bz2 linux-stable-038ebb1a713d114d54dbf14868a73181c0c92758.zip | |
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 'net/openvswitch')
| -rw-r--r-- | net/openvswitch/flow.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 9d375e74b607..03942c30d83e 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -890,6 +890,7 @@ int ovs_flow_key_extract(const struct ip_tunnel_info *tun_info, if (static_branch_unlikely(&tc_recirc_sharing_support)) { tc_ext = skb_ext_find(skb, TC_SKB_EXT); key->recirc_id = tc_ext ? tc_ext->chain : 0; + OVS_CB(skb)->mru = tc_ext ? tc_ext->mru : 0; } else { key->recirc_id = 0; } |