tag	line	file	source code
ar_op	77	include/linux/if_arp.h	unsigned short  ar_op;    /* ARP opcode (command)    */
ar_op	348	net/inet/arp.c	arp->ar_op = htons(type);
ar_op	654	net/inet/arp.c	if(arp->ar_op == htons(ARPOP_REPLY))
ar_op	168	net/inet/rarp.c	if (rarp->ar_op != htons(ARPOP_RREQUEST))