73 ipv4ll_pick_addr(const struct arp_state *astate)  in ipv4ll_pick_addr()  argument
87 		if (addr == astate->failed.s_addr)  in ipv4ll_pick_addr()
91 		TAILQ_FOREACH(ifp, astate->iface->ctx->ifaces, next) {  in ipv4ll_pick_addr()
105 ipv4ll_probed(struct arp_state *astate)  in ipv4ll_probed()  argument
107 	struct dhcp_state *state = D_STATE(astate->iface);  in ipv4ll_probed()
110 		ipv4_finaliseaddr(astate->iface);  in ipv4ll_probed()
120 		state->offer = ipv4ll_make_lease(astate->addr.s_addr);  in ipv4ll_probed()
122 			logger(astate->iface->ctx, LOG_ERR, "%s: %m", __func__);  in ipv4ll_probed()
124 			dhcp_bind(astate->iface, astate);  in ipv4ll_probed()
130 ipv4ll_announced(struct arp_state *astate)  in ipv4ll_announced()  argument
132 	struct dhcp_state *state = D_STATE(astate->iface);  in ipv4ll_announced()
150 ipv4ll_conflicted(struct arp_state *astate, const struct arp_msg *amsg)  in ipv4ll_conflicted()  argument
152 	struct dhcp_state *state = D_STATE(astate->iface);  in ipv4ll_conflicted()
158 	    (amsg->sip.s_addr == astate->addr.s_addr ||  in ipv4ll_conflicted()
159 	    (amsg->sip.s_addr == 0 && amsg->tip.s_addr == astate->addr.s_addr)))  in ipv4ll_conflicted()
160 		fail = astate->addr.s_addr;  in ipv4ll_conflicted()
170 	astate->failed.s_addr = fail;  in ipv4ll_conflicted()
171 	arp_report_conflicted(astate, amsg);  in ipv4ll_conflicted()
173 	if (astate->failed.s_addr == state->addr.s_addr) {  in ipv4ll_conflicted()
179 			logger(astate->iface->ctx, LOG_WARNING,  in ipv4ll_conflicted()
181 			    astate->iface->name, DEFEND_INTERVAL,  in ipv4ll_conflicted()
183 			dhcp_drop(astate->iface, "EXPIRE");  in ipv4ll_conflicted()
185 			logger(astate->iface->ctx, LOG_DEBUG,  in ipv4ll_conflicted()
187 			    astate->iface->name, inet_ntoa(state->addr));  in ipv4ll_conflicted()
193 	arp_cancel(astate);  in ipv4ll_conflicted()
195 		logger(astate->iface->ctx, LOG_ERR,  in ipv4ll_conflicted()
197 		    astate->iface->name);  in ipv4ll_conflicted()
198 	astate->addr.s_addr = ipv4ll_pick_addr(astate);  in ipv4ll_conflicted()
199 	eloop_timeout_add_sec(astate->iface->ctx->eloop,  in ipv4ll_conflicted()
202 		ipv4ll_probe, astate);  in ipv4ll_conflicted()
210 	struct arp_state *astate;  in ipv4ll_start()  local
232 	if ((astate = arp_new(ifp, NULL)) == NULL)  in ipv4ll_start()
235 	state->arp_ipv4ll = astate;  in ipv4ll_start()
236 	astate->probed_cb = ipv4ll_probed;  in ipv4ll_start()
237 	astate->announced_cb = ipv4ll_announced;  in ipv4ll_start()
238 	astate->conflicted_cb = ipv4ll_conflicted;  in ipv4ll_start()
241 		astate->addr = state->addr;  in ipv4ll_start()
242 		arp_announce(astate);  in ipv4ll_start()
247 		astate->addr.s_addr = state->offer->yiaddr;  in ipv4ll_start()
250 		ap = ipv4_iffindaddr(ifp, &astate->addr, NULL);  in ipv4ll_start()
254 		astate->addr = ap->addr;  in ipv4ll_start()
255 		ipv4ll_probed(astate);  in ipv4ll_start()
261 	if (!IN_LINKLOCAL(htonl(astate->addr.s_addr))) {  in ipv4ll_start()
264 		astate->addr.s_addr = INADDR_ANY;  in ipv4ll_start()
266 	if (astate->addr.s_addr == INADDR_ANY)  in ipv4ll_start()
267 		astate->addr.s_addr = ipv4ll_pick_addr(astate);  in ipv4ll_start()
269 	ipv4ll_probed(astate);  in ipv4ll_start()
271 	arp_probe(astate);  in ipv4ll_start()