6  * SPDX-License-Identifier: Apache-2.0
35 static K_SEM_DEFINE(waiter, 0, 1);
36 static K_SEM_DEFINE(counter, 0, UINT_MAX);
37 static atomic_t services_flags;
40 static struct net_mgmt_event_callback mgmt_iface_cb;
43 static inline void services_notify_ready(int flags)  in services_notify_ready()
49 static inline bool services_are_ready(int flags)  in services_are_ready()
58 static void setup_dhcpv4(struct net_if *iface)  in setup_dhcpv4()
65 static void print_dhcpv4_info(struct net_if *iface)  in print_dhcpv4_info()
70 	ARRAY_FOR_EACH(iface->config.ip.ipv4->unicast, i) {  in print_dhcpv4_info()
72 					&iface->config.ip.ipv4->unicast[i].ipv4;  in print_dhcpv4_info()
74 		if (if_addr->addr_type != NET_ADDR_DHCP ||  in print_dhcpv4_info()
75 		    !if_addr->is_used) {  in print_dhcpv4_info()
80 		NET_INFO("IPv4 address: %s",  in print_dhcpv4_info()
81 			 net_addr_ntop(AF_INET, &if_addr->address.in_addr,  in print_dhcpv4_info()
84 			 iface->config.dhcpv4.lease_time);  in print_dhcpv4_info()
87 				       &iface->config.ip.ipv4->unicast[i].netmask,  in print_dhcpv4_info()
90 			 net_addr_ntop(AF_INET, &iface->config.ip.ipv4->gw,  in print_dhcpv4_info()
102 static struct net_mgmt_event_callback mgmt4_cb;
104 static void ipv4_addr_add_handler(struct net_mgmt_event_callback *cb,  in ipv4_addr_add_handler()
123 static void setup_vlan(struct net_if *iface)  in setup_vlan()
139 #error "You need to define an IPv4 address or enable DHCPv4!"
142 static void setup_ipv4(struct net_if *iface)  in setup_ipv4()
157 		/* Empty address, skip setting ANY address in this case */  in setup_ipv4()
162 		NET_ERR("Invalid address: %s", CONFIG_NET_CONFIG_MY_IPV4_ADDR);  in setup_ipv4()
167 	/* In case DHCP is enabled, make the static address tentative,  in setup_ipv4()
168 	 * to allow DHCP address to override it. This covers a usecase  in setup_ipv4()
169 	 * of "there should be a static IP address for DHCP-less setups",  in setup_ipv4()
172 	 * always be static IP address, and optionally, DHCP address".  in setup_ipv4()
183 	NET_INFO("IPv4 address: %s",  in setup_ipv4()
223 static void setup_dhcpv6(struct net_if *iface)  in setup_dhcpv6()
240 #error "You need to define an IPv6 address or enable DHCPv6!"
243 static struct net_mgmt_event_callback mgmt6_cb;
244 static struct in6_addr laddr;
246 static void ipv6_event_handler(struct net_mgmt_event_callback *cb,  in ipv6_event_handler()
249 	struct net_if_ipv6 *ipv6 = iface->config.ip.ipv6;  in ipv6_event_handler()
257 		/* save the last added IP address for this interface */  in ipv6_event_handler()
258 		for (i = NET_IF_MAX_IPV6_ADDR - 1; i >= 0; i--) {  in ipv6_event_handler()
259 			if (ipv6->unicast[i].is_used) {  in ipv6_event_handler()
261 				       &ipv6->unicast[i].address.in6_addr,  in ipv6_event_handler()
276 		    !(net_ipv6_addr_cmp(&ifaddr->address.in6_addr, &laddr) &&  in ipv6_event_handler()
277 		      ifaddr->addr_state == NET_ADDR_PREFERRED)) {  in ipv6_event_handler()
278 			/* Address is not yet properly setup */  in ipv6_event_handler()
283 		NET_INFO("IPv6 address: %s",  in ipv6_event_handler()
286 		if (ifaddr->addr_type == NET_ADDR_DHCP) {  in ipv6_event_handler()
290 			remaining = net_timeout_remaining(&ifaddr->lifetime,  in ipv6_event_handler()
293 			if (!ifaddr->is_infinite) {  in ipv6_event_handler()
310 static void setup_ipv6(struct net_if *iface, uint32_t flags)  in setup_ipv6()
316 		/* Empty address, skip setting ANY address in this case */  in setup_ipv6()
321 		NET_ERR("Invalid address: %s", CONFIG_NET_CONFIG_MY_IPV6_ADDR);  in setup_ipv6()
322 		/* some interfaces may add IP address later */  in setup_ipv6()
365 static void iface_up_handler(struct net_mgmt_event_callback *cb,  in iface_up_handler()
377 static bool check_interface(struct net_if *iface)  in check_interface()
395 static bool check_interface(struct net_if *iface)  in check_interface()
420 		return -ENOENT;  in net_config_init_by_iface()
424 		return -ENETDOWN;  in net_config_init_by_iface()
428 		count = -1;  in net_config_init_by_iface()
439 		while (count-- > 0) {  in net_config_init_by_iface()
465 		return -ENETDOWN;  in net_config_init_by_iface()
471 	while (!services_are_ready(flags) && count-- > 0) {  in net_config_init_by_iface()
475 	if (count == -1 && timeout > 0) {  in net_config_init_by_iface()
477 		return -ETIMEDOUT;  in net_config_init_by_iface()
489 static void iface_find_cb(struct net_if *iface, void *user_data)  in iface_find_cb()
525 		NET_WARN("No auto-started network interface - "  in net_config_init_app()
526 			 "network-bound app initialization skipped.");  in net_config_init_app()
561 			if (backend->api->init != NULL) {  in net_config_init_app()
562 				backend->api->init(backend);  in net_config_init_app()
573 static int init_app(void)  in init_app()