+ {
+ struct dst_entry *dst;
+
+ if (optname == IPV6_UNICAST_HOPS)
+ val = np->hop_limit;
+ else
+ val = np->mcast_hops;
+
+ dst = sk_dst_get(sk);
+ if (dst) {
+ if (val < 0)
+ val = dst_metric(dst, RTAX_HOPLIMIT);
+ if (val < 0)
+ val = ipv6_get_hoplimit(dst->dev);
+ dst_release(dst);
+ }
+ if (val < 0)
+ val = ipv6_devconf.hop_limit;