From: wangzhike <wangzh...@jd.com> ICMP response (Unreachable/fragmentationRequired/...) may be created at devices in the middle, and such packets are tagged as invalid in user space conntrack. In fact it does not make sense to validate the src and dest address.
Signed-off-by: wang zhike <wangzh...@jd.com> --- lib/conntrack.c | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/lib/conntrack.c b/lib/conntrack.c index f5a3aa9..c44ad0f 100644 --- a/lib/conntrack.c +++ b/lib/conntrack.c @@ -1702,11 +1702,6 @@ extract_l4_icmp(struct conn_key *key, const void *data, size_t size, return false; } - if (inner_key.src.addr.ipv4_aligned != key->dst.addr.ipv4_aligned - || inner_key.dst.addr.ipv4_aligned != key->src.addr.ipv4_aligned) { - return false; - } - key->src = inner_key.src; key->dst = inner_key.dst; key->nw_proto = inner_key.nw_proto; @@ -1789,14 +1784,6 @@ extract_l4_icmp6(struct conn_key *key, const void *data, size_t size, return false; } - /* pf doesn't do this, but it seems a good idea */ - if (!ipv6_addr_equals(&inner_key.src.addr.ipv6_aligned, - &key->dst.addr.ipv6_aligned) - || !ipv6_addr_equals(&inner_key.dst.addr.ipv6_aligned, - &key->src.addr.ipv6_aligned)) { - return false; - } - key->src = inner_key.src; key->dst = inner_key.dst; key->nw_proto = inner_key.nw_proto; -- 1.8.3.1 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev