taglinefilesource code
arp_ha53include/linux/if_arp.hstruct sockaddr  arp_ha;    /* hardware address    */
arp_ha1020net/inet/arp.cswitch (r.arp_ha.sa_family) {
arp_ha1095net/inet/arp.cmemcpy(&entry->ha, &r.arp_ha.sa_data, hlen);
arp_ha1149net/inet/arp.cmemcpy(r.arp_ha.sa_data, &entry->ha, entry->hlen);
arp_ha1150net/inet/arp.cr.arp_ha.sa_family = entry->htype;
arp_ha250net/inet/rarp.cswitch (r.arp_ha.sa_family) 
arp_ha317net/inet/rarp.cmemcpy(&entry->ha, &r.arp_ha.sa_data, hlen);
arp_ha368net/inet/rarp.cmemcpy(r.arp_ha.sa_data, &entry->ha, entry->hlen);
arp_ha369net/inet/rarp.cr.arp_ha.sa_family = entry->htype;