SIOCCHGPRL 887 net/ipv6/sit.c case SIOCCHGPRL: SIOCCHGPRL 906 net/ipv6/sit.c case SIOCCHGPRL: SIOCCHGPRL 907 net/ipv6/sit.c err = ipip6_tunnel_add_prl(t, &prl, cmd == SIOCCHGPRL);