taglinefilesource code
PACKET_HOST120net/inet/icmp.cif(skb_in->pkt_type!=PACKET_HOST)
PACKET_HOST1569net/inet/ip.cif(skb->pkt_type!=PACKET_HOST || brd==IS_BROADCAST)
PACKET_HOST420net/inet/skbuff.cskb->pkt_type = PACKET_HOST;  /* Default type */
PACKET_HOST4528net/inet/tcp.cif(skb->pkt_type!=PACKET_HOST)