ARPHRD_ETHER
from->htype = ARPHRD_ETHER;
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);
ah->ar_hrd = htons(ARPHRD_ETHER);
ar_hrd = htons(ARPHRD_ETHER);
if (ar_hrd != ARPHRD_ETHER && ar_hrd != ARPHRD_IEEE802) {
h->ar_hrd = htons(ARPHRD_ETHER);
h->ar_hrd = htons(ARPHRD_ETHER);
ntohs(ap->arp_hrd) != ARPHRD_ETHER ||