ip6_mroute_setsockopt   37 include/linux/mroute6.h int ip6_mroute_setsockopt(struct sock *sock,
ip6_mroute_setsockopt 1627 net/ipv6/ip6mr.c int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsigned int optlen)