ipv6_sock_ac_drop 274 include/net/addrconf.h int ipv6_sock_ac_drop(struct sock *sk, int ifindex, ipv6_sock_ac_drop 678 net/ipv6/ipv6_sockglue.c retv = ipv6_sock_ac_drop(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_acaddr);