IPV6_EXTRACT_PREF 728 net/ipv6/route.c m |= IPV6_DECODE_PREF(IPV6_EXTRACT_PREF(fib6_flags)) << 2; IPV6_EXTRACT_PREF 5553 net/ipv6/route.c if (nla_put_u8(skb, RTA_PREF, IPV6_EXTRACT_PREF(rt6_flags)))