ip_mroute_setsockopt  148 include/linux/mroute.h extern int ip_mroute_setsockopt(struct sock *, int, char __user *, int);
ip_mroute_setsockopt  440 net/ipv4/ip_sockglue.c 		return ip_mroute_setsockopt(sk,optname,optval,optlen);