check_6rd 71 net/ipv6/sit.c static bool check_6rd(struct ip_tunnel *tunnel, const struct in6_addr *v6dst, check_6rd 568 net/ipv6/sit.c if (check_6rd(tunnel, v6addr, &v4embed) && v4addr != v4embed) check_6rd 807 net/ipv6/sit.c check_6rd(tunnel, v6dst, &dst);