IPV6_2292RTHDR
put_cmsg(msg, SOL_IPV6, IPV6_2292RTHDR, (rthdr->hdrlen+1) << 3, rthdr);
case IPV6_2292RTHDR:
if (cmsg->cmsg_type == IPV6_2292RTHDR && opt->dst1opt) {
case IPV6_2292RTHDR:
case IPV6_2292RTHDR:
case IPV6_2292RTHDR: