-
- if (ipv6_ext_hdr(nh->nexthdr))
- recalc_csum = ipv6_find_hdr(skb, &offset,
- NEXTHDR_ROUTING, NULL,
- &flags) != NEXTHDR_ROUTING;
-
- set_ipv6_addr(skb, ipv6_key->ipv6_proto, daddr,
- ipv6_key->ipv6_dst, recalc_csum);
- memcpy(&key->ipv6.addr.dst, ipv6_key->ipv6_dst,
- sizeof(ipv6_key->ipv6_dst));
+ __be32 *daddr = (__be32 *)&nh->daddr;
+ __be32 masked[4];
+
+ mask_ipv6_addr(daddr, key->ipv6_dst, mask->ipv6_dst, masked);
+
+ if (unlikely(memcmp(daddr, masked, sizeof(masked)))) {
+ if (ipv6_ext_hdr(nh->nexthdr))
+ recalc_csum = (ipv6_find_hdr(skb, &offset,
+ NEXTHDR_ROUTING,
+ NULL, &flags)
+ != NEXTHDR_ROUTING);
+
+ set_ipv6_addr(skb, key->ipv6_proto, daddr, masked,
+ recalc_csum);
+ memcpy(&flow_key->ipv6.addr.dst, masked,
+ sizeof(flow_key->ipv6.addr.dst));
+ }
+ }
+ if (mask->ipv6_tclass) {
+ ipv6_change_dsfield(nh, ~mask->ipv6_tclass, key->ipv6_tclass);
+ flow_key->ip.tos = ipv6_get_dsfield(nh);
+ }
+ if (mask->ipv6_label) {
+ set_ipv6_fl(nh, ntohl(key->ipv6_label),
+ ntohl(mask->ipv6_label));
+ flow_key->ipv6.label =
+ *(__be32 *)nh & htonl(IPV6_FLOWINFO_FLOWLABEL);
+ }
+ if (mask->ipv6_hlimit) {
+ SET_MASKED(nh->hop_limit, key->ipv6_hlimit, mask->ipv6_hlimit);
+ flow_key->ip.ttl = nh->hop_limit;