56 	struct arp_hdr *arp;  in arp_raw_request()  local
66 	arp = (struct arp_hdr *)pkt;  in arp_raw_request()
68 	arp->ar_hrd = htons(ARP_ETHER);  in arp_raw_request()
69 	arp->ar_pro = htons(PROT_IP);  in arp_raw_request()
70 	arp->ar_hln = ARP_HLEN;  in arp_raw_request()
71 	arp->ar_pln = ARP_PLEN;  in arp_raw_request()
72 	arp->ar_op = htons(ARPOP_REQUEST);  in arp_raw_request()
74 	memcpy(&arp->ar_sha, net_ethaddr, ARP_HLEN);	/* source ET addr */  in arp_raw_request()
75 	net_write_ip(&arp->ar_spa, source_ip);		/* source IP addr */  in arp_raw_request()
76 	memcpy(&arp->ar_tha, target_ethaddr, ARP_HLEN);	/* target ET addr */  in arp_raw_request()
77 	net_write_ip(&arp->ar_tpa, target_ip);		/* target IP addr */  in arp_raw_request()
126 	struct arp_hdr *arp;  in arp_receive()  local
141 	arp = (struct arp_hdr *)ip;  in arp_receive()
146 	if (ntohs(arp->ar_hrd) != ARP_ETHER)  in arp_receive()
148 	if (ntohs(arp->ar_pro) != PROT_IP)  in arp_receive()
150 	if (arp->ar_hln != ARP_HLEN)  in arp_receive()
152 	if (arp->ar_pln != ARP_PLEN)  in arp_receive()
158 	if (net_read_ip(&arp->ar_tpa).s_addr != net_ip.s_addr)  in arp_receive()
161 	switch (ntohs(arp->ar_op)) {  in arp_receive()
166 		arp->ar_op = htons(ARPOP_REPLY);  in arp_receive()
167 		memcpy(&arp->ar_tha, &arp->ar_sha, ARP_HLEN);  in arp_receive()
168 		net_copy_ip(&arp->ar_tpa, &arp->ar_spa);  in arp_receive()
169 		memcpy(&arp->ar_sha, net_ethaddr, ARP_HLEN);  in arp_receive()
170 		net_copy_ip(&arp->ar_spa, &net_ip);  in arp_receive()
181 		if ((net_read_ip(&arp->ar_tpa).s_addr & net_netmask.s_addr) !=  in arp_receive()
182 		    (net_read_ip(&arp->ar_spa).s_addr & net_netmask.s_addr))  in arp_receive()
197 			sprintf(buf, "%pM", &arp->ar_sha);  in arp_receive()
202 		reply_ip_addr = net_read_ip(&arp->ar_spa);  in arp_receive()
208 				   arp->ar_data);  in arp_receive()
213 				       &arp->ar_sha, ARP_HLEN);  in arp_receive()
215 			net_get_arp_handler()((uchar *)arp, 0, reply_ip_addr,  in arp_receive()
221 			       &arp->ar_sha, ARP_HLEN);  in arp_receive()
232 		      ntohs(arp->ar_op));  in arp_receive()