Symbol: ip_fw3_check_in
sys/net/ipfw3/ip_fw3.c
1338
pfil_add_hook(ip_fw3_check_in, NULL, PFIL_IN, pfh);
sys/net/ipfw3/ip_fw3.c
1353
pfil_remove_hook(ip_fw3_check_in, NULL, PFIL_IN, pfh);
sys/net/ipfw3/ip_fw3.h
561
int ip_fw3_check_in(void *arg, struct mbuf **m0, struct ifnet *ifp, int dir);