1 /* Networking DHCPv4 client */
2
3 /*
4 * Copyright (c) 2017 ARM Ltd.
5 * Copyright (c) 2016 Intel Corporation.
6 *
7 * SPDX-License-Identifier: Apache-2.0
8 */
9
10 #include <zephyr/logging/log.h>
11 LOG_MODULE_REGISTER(net_ipv4_autoconf_sample, LOG_LEVEL_DBG);
12
13 #include <zephyr/kernel.h>
14 #include <zephyr/linker/sections.h>
15 #include <errno.h>
16 #include <stdio.h>
17
18 #include <zephyr/net/net_if.h>
19 #include <zephyr/net/net_core.h>
20 #include <zephyr/net/net_context.h>
21 #include <zephyr/net/net_mgmt.h>
22
23 #include "net_sample_common.h"
24
25 static struct net_mgmt_event_callback mgmt_cb;
26
handler(struct net_mgmt_event_callback * cb,uint32_t mgmt_event,struct net_if * iface)27 static void handler(struct net_mgmt_event_callback *cb,
28 uint32_t mgmt_event,
29 struct net_if *iface)
30 {
31 int i = 0;
32 struct net_if_config *cfg;
33
34 cfg = net_if_get_config(iface);
35 if (!cfg) {
36 return;
37 }
38
39 if (mgmt_event != NET_EVENT_IPV4_ADDR_ADD) {
40 return;
41 }
42
43 for (i = 0; i < NET_IF_MAX_IPV4_ADDR; i++) {
44 char buf[NET_IPV4_ADDR_LEN];
45
46 if (cfg->ip.ipv4->unicast[i].ipv4.addr_type != NET_ADDR_AUTOCONF) {
47 continue;
48 }
49
50 LOG_INF("Your address: %s",
51 net_addr_ntop(AF_INET,
52 &cfg->ip.ipv4->unicast[i].ipv4.address.in_addr,
53 buf, sizeof(buf)));
54 LOG_INF("Your netmask: %s",
55 net_addr_ntop(AF_INET,
56 &cfg->ip.ipv4->unicast[i].netmask,
57 buf, sizeof(buf)));
58 }
59 }
60
main(void)61 int main(void)
62 {
63 LOG_INF("Run ipv4 autoconf client");
64
65 wait_for_network();
66
67 net_mgmt_init_event_callback(&mgmt_cb, handler,
68 NET_EVENT_IPV4_ADDR_ADD);
69 net_mgmt_add_event_callback(&mgmt_cb);
70 return 0;
71 }
72
