44 static void arp_entry_cleanup(struct arp_entry *entry, bool pending)  in arp_entry_cleanup()  argument
46 	NET_DBG("entry %p", entry);  in arp_entry_cleanup()
51 		while (!k_fifo_is_empty(&entry->pending_queue)) {  in arp_entry_cleanup()
52 			pkt = k_fifo_get(&entry->pending_queue, K_FOREVER);  in arp_entry_cleanup()
60 	entry->iface = NULL;  in arp_entry_cleanup()
62 	(void)memset(&entry->ip, 0, sizeof(struct in_addr));  in arp_entry_cleanup()
63 	(void)memset(&entry->eth, 0, sizeof(struct net_eth_addr));  in arp_entry_cleanup()
71 	struct arp_entry *entry;  in arp_entry_find()  local
73 	SYS_SLIST_FOR_EACH_CONTAINER(list, entry, node) {  in arp_entry_find()
76 			net_sprint_ipv4_addr(&entry->ip));  in arp_entry_find()
78 		if (entry->iface == iface &&  in arp_entry_find()
79 		    net_ipv4_addr_cmp(&entry->ip, dst)) {  in arp_entry_find()
80 			return entry;  in arp_entry_find()
84 			*previous = &entry->node;  in arp_entry_find()
95 	struct arp_entry *entry;  in arp_entry_find_move_first()  local
99 	entry = arp_entry_find(&arp_table, iface, dst, &prev);  in arp_entry_find_move_first()
100 	if (entry) {  in arp_entry_find_move_first()
106 		if (&entry->node != sys_slist_peek_head(&arp_table)) {  in arp_entry_find_move_first()
107 			sys_slist_remove(&arp_table, prev, &entry->node);  in arp_entry_find_move_first()
108 			sys_slist_prepend(&arp_table, &entry->node);  in arp_entry_find_move_first()
112 	return entry;  in arp_entry_find_move_first()
128 	struct arp_entry *entry;  in arp_entry_get_pending()  local
132 	entry = arp_entry_find(&arp_pending_entries, iface, dst, &prev);  in arp_entry_get_pending()
133 	if (entry) {  in arp_entry_get_pending()
135 		sys_slist_remove(&arp_pending_entries, prev, &entry->node);  in arp_entry_get_pending()
142 	return entry;  in arp_entry_get_pending()
179 static void arp_entry_register_pending(struct arp_entry *entry)  in arp_entry_register_pending()  argument
181 	NET_DBG("dst %s", net_sprint_ipv4_addr(&entry->ip));  in arp_entry_register_pending()
183 	sys_slist_append(&arp_pending_entries, &entry->node);  in arp_entry_register_pending()
185 	entry->req_start = k_uptime_get_32();  in arp_entry_register_pending()
197 	struct arp_entry *entry, *next;  in arp_request_timeout()  local
204 					  entry, next, node) {  in arp_request_timeout()
205 		if ((int32_t)(entry->req_start +  in arp_request_timeout()
210 		arp_entry_cleanup(entry, true);  in arp_request_timeout()
212 		sys_slist_remove(&arp_pending_entries, NULL, &entry->node);  in arp_request_timeout()
213 		sys_slist_append(&arp_free_entries, &entry->node);  in arp_request_timeout()
215 		entry = NULL;  in arp_request_timeout()
218 	if (entry) {  in arp_request_timeout()
220 				  K_MSEC(entry->req_start +  in arp_request_timeout()
252 					  struct arp_entry *entry,  in arp_prepare()  argument
292 	if (entry) {  in arp_prepare()
295 			k_fifo_put(&entry->pending_queue, pending);  in arp_prepare()
298 		entry->iface = net_pkt_iface(pkt);  in arp_prepare()
300 		net_ipaddr_copy(&entry->ip, next_addr);  in arp_prepare()
303 			(uint8_t *)net_if_get_link_addr(entry->iface)->addr;  in arp_prepare()
305 		arp_entry_register_pending(entry);  in arp_prepare()
331 	} else if (!entry) {  in arp_prepare()
334 		my_addr = if_get_addr(entry->iface, current_ip);  in arp_prepare()
352 	struct arp_entry *entry;  in net_arp_prepare()  local
400 	entry = arp_entry_find_move_first(net_pkt_iface(pkt), addr);  in net_arp_prepare()
401 	if (!entry) {  in net_arp_prepare()
404 		entry = arp_entry_find_pending(net_pkt_iface(pkt), addr);  in net_arp_prepare()
405 		if (!entry) {  in net_arp_prepare()
407 			entry = arp_entry_get_free();  in net_arp_prepare()
408 			if (!entry) {  in net_arp_prepare()
410 				entry = arp_entry_get_last_from_table();  in net_arp_prepare()
417 			if (k_queue_unique_append(&entry->pending_queue._queue,  in net_arp_prepare()
425 			entry = NULL;  in net_arp_prepare()
428 		req = arp_prepare(net_pkt_iface(pkt), addr, entry, pkt,  in net_arp_prepare()
431 		if (!entry) {  in net_arp_prepare()
439 		if (!req && entry) {  in net_arp_prepare()
443 			sys_slist_prepend(&arp_free_entries, &entry->node);  in net_arp_prepare()
453 		(uint8_t *)net_if_get_link_addr(entry->iface)->addr;  in net_arp_prepare()
456 	net_pkt_lladdr_dst(pkt)->addr = (uint8_t *)&entry->eth;  in net_arp_prepare()
472 	struct arp_entry *entry;  in arp_gratuitous()  local
474 	entry = arp_entry_find(&arp_table, iface, src, &prev);  in arp_gratuitous()
475 	if (entry) {  in arp_gratuitous()
477 			net_sprint_ll_addr((const uint8_t *)&entry->eth,  in arp_gratuitous()
482 		memcpy(&entry->eth, hwaddr, sizeof(struct net_eth_addr));  in arp_gratuitous()
627 	struct arp_entry *entry;  in net_arp_update()  local
635 	entry = arp_entry_get_pending(iface, src);  in net_arp_update()
636 	if (!entry) {  in net_arp_update()
674 	memcpy(&entry->eth, hwaddr, sizeof(struct net_eth_addr));  in net_arp_update()
677 	sys_slist_prepend(&arp_table, &entry->node);  in net_arp_update()
679 	while (!k_fifo_is_empty(&entry->pending_queue)) {  in net_arp_update()
682 		pkt = k_fifo_get(&entry->pending_queue, K_FOREVER);  in net_arp_update()
691 			net_sprint_ipv4_addr(&entry->ip),  in net_arp_update()
898 	struct arp_entry *entry, *next;  in net_arp_clear_cache()  local
904 	SYS_SLIST_FOR_EACH_CONTAINER_SAFE(&arp_table, entry, next, node) {  in net_arp_clear_cache()
905 		if (iface && iface != entry->iface) {  in net_arp_clear_cache()
906 			prev = &entry->node;  in net_arp_clear_cache()
910 		arp_entry_cleanup(entry, false);  in net_arp_clear_cache()
912 		sys_slist_remove(&arp_table, prev, &entry->node);  in net_arp_clear_cache()
913 		sys_slist_prepend(&arp_free_entries, &entry->node);  in net_arp_clear_cache()
921 					  entry, next, node) {  in net_arp_clear_cache()
922 		if (iface && iface != entry->iface) {  in net_arp_clear_cache()
923 			prev = &entry->node;  in net_arp_clear_cache()
927 		arp_entry_cleanup(entry, true);  in net_arp_clear_cache()
929 		sys_slist_remove(&arp_pending_entries, prev, &entry->node);  in net_arp_clear_cache()
930 		sys_slist_prepend(&arp_free_entries, &entry->node);  in net_arp_clear_cache()
942 	struct arp_entry *entry = arp_entry_find_pending(iface, dst);  in net_arp_clear_pending()  local
944 	if (!entry) {  in net_arp_clear_pending()
948 	arp_entry_cleanup(entry, true);  in net_arp_clear_pending()
956 	struct arp_entry *entry;  in net_arp_foreach()  local
960 	SYS_SLIST_FOR_EACH_CONTAINER(&arp_table, entry, node) {  in net_arp_foreach()
962 		cb(entry, user_data);  in net_arp_foreach()