Parse NEXTHDR_FRAGMENT. When seen account for it in the fragment bits of
key_control. Also, check if first fragment should be parsed.
Signed-off-by: Tom Herbert <t...@herbertland.com>
---
net/core/flow_dissector.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 7536a46..907de2f 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -409,6 +409,31 @@ ip_proto_again:
goto ip_proto_again;
}
+ case NEXTHDR_FRAGMENT: {
+ struct frag_hdr _fh, *fh;
+
+ if (proto != htons(ETH_P_IPV6))
+ break;
+
+ fh = __skb_header_pointer(skb, nhoff, sizeof(_fh),
+ data, hlen, &_fh);
+
+ if (!fh)
+ goto out_bad;
+
+ key_control->is_fragment = 1;
+
+ nhoff += sizeof(_fh);
+
+ if (!(fh->frag_off & htons(IP6_OFFSET))) {
+ key_control->first_frag = 1;
+ if (flags & FLOW_DISSECTOR_F_PARSE_1ST_FRAG) {
+ ip_proto = fh->nexthdr;
+ goto ip_proto_again;
+ }
+ }
+ goto out_good;
+ }
case IPPROTO_IPIP:
proto = htons(ETH_P_IP);
goto ip;
--
1.8.1
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
