Lines Matching +full:ipv4 +full:- +full:single +full:- +full:target

2  * RFC3927 ZeroConf IPv4 Link-Local addressing
5  * Copied from BusyBox - networking/zcip.c
55 static int timeout_ms = -1;
76 	} while (tmp > (IN_CLASSB_HOST - 0x0200));  in pick()
91 	if (timeout_ms == -1)  in configure_wait()
146 			timeout_ms += random_delay_ms(PROBE_MAX - PROBE_MIN);  in link_local_timeout()
185 			timeout_ms = -1;  in link_local_timeout()
197 		timeout_ms = -1;  in link_local_timeout()
224 		unsigned diff = deadline_ms - MONOTONIC_MS();  in link_local_receive_arp()
253 		   eth_get_name(), ntohs(arp->ar_pro),  in link_local_receive_arp()
254 		   ntohs(arp->ar_op));  in link_local_receive_arp()
256 		   &arp->ar_sha,  in link_local_receive_arp()
257 		   &arp->ar_spa);  in link_local_receive_arp()
259 		   &arp->ar_tha,  in link_local_receive_arp()
260 		   &arp->ar_tpa);  in link_local_receive_arp()
262 	if (arp->ar_op != htons(ARPOP_REQUEST) &&  in link_local_receive_arp()
263 	    arp->ar_op != htons(ARPOP_REPLY)) {  in link_local_receive_arp()
271 	if (memcmp(&arp->ar_spa, &ip, ARP_PLEN) == 0 &&  in link_local_receive_arp()
272 	    memcmp(&arp->ar_sha, net_ethaddr, ARP_HLEN) != 0)  in link_local_receive_arp()
278 	 * then check that target IP is equal to ours and source hw addr  in link_local_receive_arp()
282 	if (arp->ar_op == htons(ARPOP_REQUEST) &&  in link_local_receive_arp()
283 	    memcmp(&arp->ar_spa, &null_ip, ARP_PLEN) == 0 &&  in link_local_receive_arp()
284 	    memcmp(&arp->ar_tpa, &ip, ARP_PLEN) == 0 &&  in link_local_receive_arp()
285 	    memcmp(&arp->ar_sha, net_ethaddr, ARP_HLEN) != 0) {  in link_local_receive_arp()
290 		   "state = %d, source ip conflict = %d, target ip conflict = "  in link_local_receive_arp()
296 		   and other hosts doing ARP probes (target IP conflicts). */  in link_local_receive_arp()
314 		/* If a conflict, we try to defend with a single ARP probe */  in link_local_receive_arp()
316 			debug("monitor conflict -- defending\n");  in link_local_receive_arp()
326 			debug("defend conflict -- starting over\n");  in link_local_receive_arp()
339 		debug("invalid state -- starting over\n");  in link_local_receive_arp()