48 send_arp(const struct interface *iface, int op, in_addr_t sip, in_addr_t tip)  in send_arp()  argument
56 	ar.ar_hrd = htons(iface->family);  in send_arp()
58 	ar.ar_hln = iface->hwlen;  in send_arp()
63 	memcpy(p, iface->hwaddr, iface->hwlen);  in send_arp()
64 	p += iface->hwlen;  in send_arp()
68 	retval = iface->hwlen;  in send_arp()
74 	retval = send_raw_packet(iface, ETHERTYPE_ARP, arp_buffer, len);  in send_arp()
79 handle_arp_failure(struct interface *iface)  in handle_arp_failure()  argument
84 	if ((iface->state->offer != NULL &&  in handle_arp_failure()
85 		iface->state->offer->cookie != htonl(MAGIC_COOKIE)) ||  in handle_arp_failure()
86 	    (iface->state->new != NULL &&  in handle_arp_failure()
87 		iface->state->new->cookie != htonl(MAGIC_COOKIE)))  in handle_arp_failure()
89 		handle_ipv4ll_failure(iface);  in handle_arp_failure()
93 	unlink(iface->leasefile);  in handle_arp_failure()
94 	if (!iface->state->lease.frominfo)  in handle_arp_failure()
95 		send_decline(iface);  in handle_arp_failure()
96 	close_sockets(iface);  in handle_arp_failure()
97 	delete_timeout(NULL, iface);  in handle_arp_failure()
98 	if (iface->state->lease.frominfo)  in handle_arp_failure()
99 		start_interface(iface);  in handle_arp_failure()
101 		add_timeout_sec(DHCP_ARP_FAIL, start_interface, iface);  in handle_arp_failure()
107 	struct interface *iface = arg;  in handle_arp_packet()  local
114 	struct if_state *state = iface->state;  in handle_arp_packet()
121 		bytes = get_raw_packet(iface, ETHERTYPE_ARP,  in handle_arp_packet()
146 		if (ar.ar_hln == iface->hwlen &&  in handle_arp_packet()
147 		    memcmp(hw_s, iface->hwaddr, iface->hwlen) == 0)  in handle_arp_packet()
165 			    iface->name, inet_ntoa(ina), hwaddr);  in handle_arp_packet()
166 			if (select_profile(iface, hwaddr) == -1 &&  in handle_arp_packet()
168 				select_profile(iface, inet_ntoa(ina));  in handle_arp_packet()
169 			close_sockets(iface);  in handle_arp_packet()
170 			delete_timeout(NULL, iface);  in handle_arp_packet()
171 			start_interface(iface);  in handle_arp_packet()
182 		if (IN_LINKLOCAL(htonl(iface->addr.s_addr)) &&  in handle_arp_packet()
183 		    (reply_s == iface->addr.s_addr ||  in handle_arp_packet()
184 			(reply_s == 0 && reply_t == iface->addr.s_addr)))  in handle_arp_packet()
185 			state->fail.s_addr = iface->addr.s_addr;  in handle_arp_packet()
189 			    iface->name,  in handle_arp_packet()
194 			handle_arp_failure(iface);  in handle_arp_packet()
203 	struct interface *iface = arg;  in send_arp_announce()  local
204 	struct if_state *state = iface->state;  in send_arp_announce()
207 	if (iface->arp_fd == -1) {  in send_arp_announce()
208 		open_socket(iface, ETHERTYPE_ARP);  in send_arp_announce()
209 		add_event(iface->arp_fd, handle_arp_packet, iface);  in send_arp_announce()
215 		    iface->name, state->claims, ANNOUNCE_NUM, ANNOUNCE_WAIT);  in send_arp_announce()
219 		    iface->name, state->claims, ANNOUNCE_NUM);  in send_arp_announce()
220 	if (send_arp(iface, ARPOP_REQUEST,  in send_arp_announce()
224 		add_timeout_sec(ANNOUNCE_WAIT, send_arp_announce, iface);  in send_arp_announce()
237 		add_timeout_tv(&tv, start_discover, iface);  in send_arp_announce()
239 		delete_event(iface->arp_fd);  in send_arp_announce()
240 		close(iface->arp_fd);  in send_arp_announce()
241 		iface->arp_fd = -1;  in send_arp_announce()
248 	struct interface *iface = arg;  in send_arp_probe()  local
249 	struct if_state *state = iface->state;  in send_arp_probe()
263 		addr.s_addr = iface->addr.s_addr;  in send_arp_probe()
265 	if (iface->arp_fd == -1) {  in send_arp_probe()
266 		open_socket(iface, ETHERTYPE_ARP);  in send_arp_probe()
267 		add_event(iface->arp_fd, handle_arp_packet, iface);  in send_arp_probe()
272 			    iface->name, inet_ntoa(addr));  in send_arp_probe()
275 			    iface->name, inet_ntoa(addr));  in send_arp_probe()
281 		add_timeout_tv(&tv, send_arp_probe, iface);  in send_arp_probe()
288 				add_timeout_tv(&tv, send_arp_probe, iface);  in send_arp_probe()
290 				add_timeout_tv(&tv, start_interface, iface);  in send_arp_probe()
292 			add_timeout_tv(&tv, bind_interface, iface);  in send_arp_probe()
296 	    iface->name, state->probes ? state->probes : PROBE_NUM, PROBE_NUM,  in send_arp_probe()
298 	if (send_arp(iface, ARPOP_REQUEST, 0, addr.s_addr) == -1)  in send_arp_probe()
303 start_arping(struct interface *iface)  in start_arping()  argument
305 	iface->state->probes = 0;  in start_arping()
306 	iface->state->arping_index = 0;  in start_arping()
307 	send_arp_probe(iface);  in start_arping()