1 /*
2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 * Description: SoftAP适配实现 （此文件为DEMO，需集成方适配修改）
15 */
16 #include "hilink_softap_adapter.h"
17
18 #include <stddef.h>
19 #include "securec.h"
20 #include "wifi_device.h"
21 #include "wifi_hotspot.h"
22 #include "hilink_sal_defines.h"
23 #include "lwip/netifapi.h"
24 #include "lwip/nettool/ifconfig.h"
25 #include "osal_task.h"
26
27 typedef struct {
28 const char *ifname;
29 const char *ip_str;
30 const char *netmask;
31 const char *netmask_value;
32 const char *gateway;
33 const char *gateway_value;
34 } ifcfg_args_t;
35
CheckWifiStateBeforeStartSoftap(void)36 static void CheckWifiStateBeforeStartSoftap(void)
37 {
38 /* 套餐2存在hilink重入，重入后起softap需要保证sta与ap已关闭 */
39 if (wifi_is_sta_enabled() == 1) {
40 HILINK_SAL_NOTICE("sta active, try stop!\r\n");
41 if (wifi_sta_disable() != ERRCODE_SUCC) {
42 HILINK_SAL_WARN("stop sta fail\r\n");
43 }
44 }
45
46 if (wifi_is_softap_enabled() == 1) {
47 HILINK_SAL_NOTICE("ap active, try stop!\r\n");
48 if (wifi_softap_disable() != ERRCODE_SUCC) {
49 HILINK_SAL_WARN("stop ap fail\r\n");
50 }
51 }
52 }
53
softap_start_dhcps(void)54 static int softap_start_dhcps(void)
55 {
56 int ret;
57 struct netif *netif_p = netifapi_netif_find("ap0");
58 if (netif_p == NULL) {
59 HILINK_SAL_WARN("netif_p is null\r\n");
60 return HILINK_SAL_NOK;
61 }
62 if (ip_addr_isany_val(netif_p->ip_addr)) {
63 HILINK_SAL_WARN("Please set ip address for dhcp server\r\n");
64 return HILINK_SAL_NOK;
65 }
66
67 ret = netifapi_dhcps_start(netif_p, NULL, 0);
68 if (ret == 0) {
69 HILINK_SAL_WARN("softap dhcps set OK\r\n");
70 return HILINK_SAL_OK;
71 }
72
73 return HILINK_SAL_NOK;
74 }
75
softap_config_static_ip(void)76 static int softap_config_static_ip(void)
77 {
78 int ret = 0;
79 ifcfg_args_t ifconfig_param;
80 memset_s(&ifconfig_param, sizeof(ifconfig_param), 0, sizeof(ifconfig_param));
81
82 ifconfig_param.ifname = "ap0";
83 ifconfig_param.ip_str = "192.168.3.1";
84 ifconfig_param.netmask = "netmask";
85 ifconfig_param.netmask_value = "255.255.255.0";
86 ifconfig_param.gateway = "gateway";
87 ifconfig_param.gateway_value = "192.168.3.1";
88
89 lwip_ifconfig(6, &ifconfig_param.ifname); // 6: ifconfig param number
90
91 return HILINK_SAL_OK;
92 }
93
HILINK_StartSoftAp(const char * ssid,unsigned int ssidLen)94 int HILINK_StartSoftAp(const char *ssid, unsigned int ssidLen)
95 {
96 if ((ssid == NULL) || (ssidLen == 0)) {
97 HILINK_SAL_WARN("invalid param\r\n");
98 return HILINK_SAL_PARAM_INVALID;
99 }
100
101 CheckWifiStateBeforeStartSoftap();
102
103 softap_config_stru config;
104 (void)memset_s(&config, sizeof(softap_config_stru), 0, sizeof(softap_config_stru));
105
106 if (strcpy_s((char *)config.ssid, sizeof(config.ssid), ssid) != EOK) {
107 HILINK_SAL_WARN("strcpy error\r\n");
108 return HILINK_SAL_STRCPY_ERR;
109 }
110
111 config.security_type = WIFI_SEC_TYPE_OPEN;
112 config.channel_num = 6; /* 6: channel num */
113
114 if (wifi_softap_enable(&config) != ERRCODE_SUCC) {
115 HILINK_SAL_ERROR("enable hotspot fail\r\n");
116 return HILINK_SAL_SET_SOFTAP_ERR;
117 }
118
119 if (softap_config_static_ip() != HILINK_SAL_OK) {
120 HILINK_SAL_ERROR("set softap ip failed\r\n");
121 return HILINK_SAL_SET_SOFTAP_ERR;
122 }
123 osal_msleep(4000); /* 4000：配置静态ip之后要睡眠4秒之后再开启dhcps */
124
125 // dhcps
126 if (softap_start_dhcps() != 0) {
127 HILINK_SAL_ERROR("set softap dhcps failed\r\n");
128 return HILINK_SAL_SET_SOFTAP_ERR;
129 }
130
131 return HILINK_SAL_OK;
132 }
133
HILINK_StopSoftAp(void)134 int HILINK_StopSoftAp(void)
135 {
136 if (wifi_is_softap_enabled() == 1) {
137 if (wifi_softap_disable() != ERRCODE_SUCC) {
138 HILINK_SAL_ERROR("Stop softAp disable hotspot fail.\r\n");
139 return HILINK_SAL_SET_SOFTAP_ERR;
140 }
141 }
142 return HILINK_SAL_OK;
143 }