arp_hrd
ah->arp_hrd = htons(ARPHRD_ETHER);
if (ah->arp_hrd != htons(ARPHRD_ETHER) ||
if (arp->arp_hrd != htons(ARPHRD_ETHER) ||
if (ap->arp_hrd != htons(ARPHRD_ETHER) ||
ap->arp_hrd = htons(ARPHRD_ETHER);
if (ntohs(ea.arp_hrd) != ARPHRD_ETHER ||
if (ea.arp_hrd != htons(ARPHRD_ETHER) ||
ea->arp_hrd = htons(ARPHRD_ETHER);
ea->arp_hrd = htons(ARPHRD_ETHER);
ntohs (ap->arp_hrd) != ARPHRD_ETHER ||
hrd = EXTRACT_16BITS(&ap->arp_hrd);