Currently, OVS only parses the IP protocol number for the first IPv6 fragment, but sets the IP protocol number for the later fragments to be NEXTHDF_FRAGMENT. This patch tries to derive the IP protocol number for the IPV6 later frags so that we can match that.
Signed-off-by: Yi-Hung Wei <yihung....@gmail.com> --- net/openvswitch/flow.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 56b8e7167790..3d654c4f71be 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -297,7 +297,13 @@ static int parse_ipv6hdr(struct sk_buff *skb, struct sw_flow_key *key) nh_len = payload_ofs - nh_ofs; skb_set_transport_header(skb, nh_ofs + nh_len); - key->ip.proto = nexthdr; + if (key->ip.frag == OVS_FRAG_TYPE_LATER) { + unsigned int offset = 0; + + key->ip.proto = ipv6_find_hdr(skb, &offset, -1, NULL, NULL); + } else { + key->ip.proto = nexthdr; + } return nh_len; } -- 2.7.4