ip_mc_sf_allow    127 include/linux/igmp.h extern int ip_mc_sf_allow(struct sock *sk, __be32 local, __be32 rmt,
ip_mc_sf_allow    190 net/ipv4/raw.c 		    ip_mc_sf_allow(sk, iph->daddr, iph->saddr,
ip_mc_sf_allow    531 net/ipv4/udp.c 	if (!ip_mc_sf_allow(sk, loc_addr, rmt_addr, dif, sdif))