1 /*
2 * Copyright (c) 2018 Intel Corporation.
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/logging/log.h>
8 LOG_MODULE_DECLARE(net_echo_client_sample, LOG_LEVEL_DBG);
9
10 #include <zephyr/kernel.h>
11
12 #include <zephyr/net/ethernet.h>
13
14 /* User data for the interface callback */
15 struct ud {
16 struct net_if *first;
17 struct net_if *second;
18 };
19
iface_cb(struct net_if * iface,void * user_data)20 static void iface_cb(struct net_if *iface, void *user_data)
21 {
22 struct ud *ud = user_data;
23
24 if (net_if_l2(iface) != &NET_L2_GET_NAME(VIRTUAL)) {
25 return;
26 }
27
28 if (!ud->first) {
29 ud->first = iface;
30 return;
31 }
32
33 if (!ud->second) {
34 ud->second = iface;
35 return;
36 }
37 }
38
setup_iface(struct net_if * eth_iface,struct net_if * iface,const char * ipv6_addr,const char * ipv4_addr,uint16_t vlan_tag)39 static int setup_iface(struct net_if *eth_iface,
40 struct net_if *iface,
41 const char *ipv6_addr,
42 const char *ipv4_addr,
43 uint16_t vlan_tag)
44 {
45 struct net_if_addr *ifaddr;
46 struct in_addr addr4;
47 struct in6_addr addr6;
48 int ret;
49
50 ret = net_eth_vlan_enable(eth_iface, vlan_tag);
51 if (ret < 0) {
52 LOG_ERR("Cannot enable VLAN for tag %d (%d)", vlan_tag, ret);
53 }
54
55 if (net_addr_pton(AF_INET6, ipv6_addr, &addr6)) {
56 LOG_ERR("Invalid address: %s", ipv6_addr);
57 return -EINVAL;
58 }
59
60 ifaddr = net_if_ipv6_addr_add(iface, &addr6, NET_ADDR_MANUAL, 0);
61 if (!ifaddr) {
62 LOG_ERR("Cannot add %s to interface %p", ipv6_addr, iface);
63 return -EINVAL;
64 }
65
66 if (net_addr_pton(AF_INET, ipv4_addr, &addr4)) {
67 LOG_ERR("Invalid address: %s", ipv4_addr);
68 return -EINVAL;
69 }
70
71 ifaddr = net_if_ipv4_addr_add(iface, &addr4, NET_ADDR_MANUAL, 0);
72 if (!ifaddr) {
73 LOG_ERR("Cannot add %s to interface %p", ipv4_addr, iface);
74 return -EINVAL;
75 }
76
77 LOG_DBG("Interface %p VLAN tag %d setup done.", iface, vlan_tag);
78
79 return 0;
80 }
81
init_vlan(void)82 int init_vlan(void)
83 {
84 struct net_if *iface;
85 struct ud ud;
86 int ret;
87
88 if (CONFIG_NET_VLAN_COUNT == 0) {
89 LOG_DBG("No VLAN interfaces defined.");
90 return 0;
91 }
92
93 iface = net_if_get_first_by_type(&NET_L2_GET_NAME(ETHERNET));
94 if (!iface) {
95 LOG_ERR("No ethernet interfaces found.");
96 return -ENOENT;
97 }
98
99 memset(&ud, 0, sizeof(ud));
100
101 net_if_foreach(iface_cb, &ud);
102
103 ret = setup_iface(iface, ud.first,
104 CONFIG_NET_SAMPLE_IFACE2_MY_IPV6_ADDR,
105 CONFIG_NET_SAMPLE_IFACE2_MY_IPV4_ADDR,
106 CONFIG_NET_SAMPLE_IFACE2_VLAN_TAG);
107 if (ret < 0) {
108 return ret;
109 }
110
111 ret = setup_iface(iface, ud.second,
112 CONFIG_NET_SAMPLE_IFACE3_MY_IPV6_ADDR,
113 CONFIG_NET_SAMPLE_IFACE3_MY_IPV4_ADDR,
114 CONFIG_NET_SAMPLE_IFACE3_VLAN_TAG);
115 if (ret < 0) {
116 return ret;
117 }
118
119 /* Bring up the VLAN interface automatically */
120 net_if_up(ud.first);
121 net_if_up(ud.second);
122
123 return 0;
124 }
125
