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Diffstat (limited to 'net/openvswitch/conntrack.c')
-rw-r--r--net/openvswitch/conntrack.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 4beb96139d77..6a88daab0190 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -1037,6 +1037,14 @@ static int __ovs_ct_lookup(struct net *net, struct sw_flow_key *key,
ovs_ct_helper(skb, info->family) != NF_ACCEPT) {
return -EINVAL;
}
+
+ if (nf_ct_protonum(ct) == IPPROTO_TCP &&
+ nf_ct_is_confirmed(ct) && nf_conntrack_tcp_established(ct)) {
+ /* Be liberal for tcp packets so that out-of-window
+ * packets are not marked invalid.
+ */
+ nf_ct_set_tcp_be_liberal(ct);
+ }
}
return 0;