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dev_wlan_mgnt.c
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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-08-06 tyx the first version
* 2023-12-12 Evlers add the wlan join scan function
* 2024-12-25 Evlers add get_info api for more new sta information
*/
#include <rthw.h>
#include <rtthread.h>
#include <dev_wlan.h>
#include <dev_wlan_cfg.h>
#include <dev_wlan_mgnt.h>
#include <dev_wlan_prot.h>
#include <dev_wlan_workqueue.h>
// #define RT_WLAN_MGNT_DEBUG
#define DBG_TAG "WLAN.mgnt"
#ifdef RT_WLAN_MGNT_DEBUG
#define DBG_LVL DBG_LOG
#else
#define DBG_LVL DBG_INFO
#endif /* RT_WLAN_MGNT_DEBUG */
#include <rtdbg.h>
#ifdef RT_WLAN_MANAGE_ENABLE
#ifndef RT_WLAN_DEVICE
#define RT_WLAN_DEVICE(__device) ((struct rt_wlan_device *)__device)
#endif
#define RT_WLAN_LOG_D(_fmt, ...) LOG_D("L:%d "_fmt"", __LINE__, ##__VA_ARGS__)
#define RT_WLAN_LOG_I(...) LOG_I(__VA_ARGS__)
#define RT_WLAN_LOG_W(_fmt, ...) LOG_W("F:%s L:%d "_fmt"", __FUNCTION__, __LINE__, ##__VA_ARGS__)
#define RT_WLAN_LOG_E(_fmt, ...) LOG_E("F:%s L:%d "_fmt"", __FUNCTION__, __LINE__, ##__VA_ARGS__)
#define STA_DEVICE() (_sta_mgnt.device)
#define AP_DEVICE() (_ap_mgnt.device)
#define STAINFO_LOCK() (rt_mutex_take(&sta_info_mutex, RT_WAITING_FOREVER))
#define STAINFO_UNLOCK() (rt_mutex_release(&sta_info_mutex))
#define MGNT_LOCK() (rt_mutex_take(&mgnt_mutex, RT_WAITING_FOREVER))
#define MGNT_UNLOCK() (rt_mutex_release(&mgnt_mutex))
#define COMPLETE_LOCK() (rt_mutex_take(&complete_mutex, RT_WAITING_FOREVER))
#define COMPLETE_UNLOCK() (rt_mutex_release(&complete_mutex))
#ifdef RT_WLAN_AUTO_CONNECT_ENABLE
#define TIME_STOP() (rt_timer_stop(&reconnect_time))
#define TIME_START() (rt_timer_start(&reconnect_time))
static rt_uint32_t id = 0;
#else
#define TIME_STOP()
#define TIME_START()
#endif
#if RT_WLAN_EBOX_NUM < 1
#error "event box num Too few"
#endif
struct rt_wlan_mgnt_des
{
struct rt_wlan_device *device;
struct rt_wlan_info info;
struct rt_wlan_key key;
rt_uint8_t state;
rt_uint8_t flags;
};
struct rt_wlan_event_desc
{
rt_wlan_event_handler handler;
void *parameter;
};
struct rt_wlan_sta_list
{
struct rt_wlan_sta_list *next;
struct rt_wlan_info info;
};
struct rt_wlan_sta_des
{
int num;
struct rt_wlan_sta_list *node;
};
struct rt_wlan_msg
{
rt_int32_t event;
rt_int32_t len;
void *buff;
};
struct rt_wlan_complete_des
{
struct rt_event complete;
rt_uint32_t event_flag;
int index;
};
static struct rt_mutex mgnt_mutex;
static struct rt_wlan_mgnt_des _sta_mgnt;
static struct rt_wlan_mgnt_des _ap_mgnt;
static struct rt_wlan_sta_des sta_info;
static struct rt_mutex sta_info_mutex;
static struct rt_wlan_event_desc event_tab[RT_WLAN_EVT_MAX];
static struct rt_wlan_complete_des *complete_tab[5];
static struct rt_mutex complete_mutex;
#ifdef RT_WLAN_AUTO_CONNECT_ENABLE
static struct rt_timer reconnect_time;
#endif
rt_inline int _sta_is_null(void)
{
if (_sta_mgnt.device == RT_NULL)
{
return 1;
}
return 0;
}
rt_inline int _ap_is_null(void)
{
if (_ap_mgnt.device == RT_NULL)
{
return 1;
}
return 0;
}
rt_inline rt_bool_t _is_do_connect(void)
{
if ((rt_wlan_get_autoreconnect_mode() == RT_FALSE) ||
(rt_wlan_is_connected() == RT_TRUE) ||
(_sta_mgnt.state & RT_WLAN_STATE_CONNECTING))
{
return RT_FALSE;
}
return RT_TRUE;
}
#ifdef RT_WLAN_WORK_THREAD_ENABLE
static void rt_wlan_mgnt_work(void *parameter)
{
struct rt_wlan_msg *msg = parameter;
void *user_parameter;
rt_wlan_event_handler handler = RT_NULL;
struct rt_wlan_buff user_buff = { 0 };
rt_base_t level;
/* Get user callback */
if (msg->event < RT_WLAN_EVT_MAX)
{
level = rt_hw_interrupt_disable();
handler = event_tab[msg->event].handler;
user_parameter = event_tab[msg->event].parameter;
rt_hw_interrupt_enable(level);
}
/* run user callback fun */
if (handler)
{
user_buff.data = msg->buff;
user_buff.len = msg->len;
RT_WLAN_LOG_D("wlan work thread run user callback, event:%d", msg->event);
handler(msg->event, &user_buff, user_parameter);
}
switch (msg->event)
{
case RT_WLAN_EVT_STA_CONNECTED:
{
struct rt_wlan_cfg_info cfg_info;
rt_memset(&cfg_info, 0, sizeof(cfg_info));
/* save config */
if (rt_wlan_is_connected() == RT_TRUE)
{
rt_enter_critical();
cfg_info.info = _sta_mgnt.info;
cfg_info.key = _sta_mgnt.key;
rt_exit_critical();
RT_WLAN_LOG_D("run save config! ssid:%s len%d", _sta_mgnt.info.ssid.val, _sta_mgnt.info.ssid.len);
#ifdef RT_WLAN_CFG_ENABLE
rt_wlan_cfg_save(&cfg_info);
#endif
}
break;
}
default :
break;
}
rt_free(msg);
}
static rt_err_t rt_wlan_send_to_thread(rt_wlan_event_t event, void *buff, int len)
{
struct rt_wlan_msg *msg;
RT_WLAN_LOG_D("F:%s is run event:%d", __FUNCTION__, event);
/* Event packing */
msg = rt_malloc(sizeof(struct rt_wlan_msg) + len);
if (msg == RT_NULL)
{
RT_WLAN_LOG_E("wlan mgnt send msg err! No memory");
return -RT_ENOMEM;
}
rt_memset(msg, 0, sizeof(struct rt_wlan_msg) + len);
msg->event = event;
if (len != 0)
{
msg->buff = (void *)&msg[1];
rt_memcpy(msg->buff, buff, len);
msg->len = len;
}
/* send event to wlan thread */
if (rt_wlan_workqueue_dowork(rt_wlan_mgnt_work, msg) != RT_EOK)
{
rt_free(msg);
RT_WLAN_LOG_E("wlan mgnt do work fail");
return -RT_ERROR;
}
return RT_EOK;
}
#endif
static rt_err_t rt_wlan_sta_info_add(struct rt_wlan_info *info, int timeout)
{
struct rt_wlan_sta_list *sta_list;
rt_err_t err = RT_EOK;
if (_ap_is_null() || (info == RT_NULL)) return RT_EOK;
err = rt_mutex_take(&sta_info_mutex, rt_tick_from_millisecond(timeout));
if (err == RT_EOK)
{
/* malloc memory */
sta_list = rt_malloc(sizeof(struct rt_wlan_sta_list));
if (sta_list == RT_NULL)
{
rt_mutex_release(&sta_info_mutex);
RT_WLAN_LOG_E("sta list malloc failed!");
return -RT_ENOMEM;
}
sta_list->next = RT_NULL;
sta_list->info = *info;
/* Append sta info */
sta_list->next = sta_info.node;
sta_info.node = sta_list;
/* num++ */
sta_info.num ++;
rt_mutex_release(&sta_info_mutex);
RT_WLAN_LOG_I("sta associated mac:%02x:%02x:%02x:%02x:%02x:%02x",
info->bssid[0], info->bssid[1], info->bssid[2],
info->bssid[3], info->bssid[4], info->bssid[5]);
}
return err;
}
static rt_err_t rt_wlan_sta_info_del(struct rt_wlan_info *info, int timeout)
{
struct rt_wlan_sta_list *sta_list, *sta_prve;
rt_err_t err = RT_EOK;
if (_ap_is_null() || (info == RT_NULL)) return RT_EOK;
err = rt_mutex_take(&sta_info_mutex, rt_tick_from_millisecond(timeout));
if (err == RT_EOK)
{
/* traversing the list */
for (sta_list = sta_info.node, sta_prve = RT_NULL; sta_list != RT_NULL;
sta_prve = sta_list, sta_list = sta_list->next)
{
/* find mac addr */
if (rt_memcmp(&sta_list->info.bssid[0], &info->bssid[0], RT_WLAN_BSSID_MAX_LENGTH) == 0)
{
if (sta_prve == RT_NULL)
{
sta_info.node = sta_list->next;
}
else
{
sta_prve->next = sta_list->next;
}
sta_info.num --;
rt_free(sta_list);
break;
}
}
rt_mutex_release(&sta_info_mutex);
RT_WLAN_LOG_I("sta exit mac:%02x:%02x:%02x:%02x:%02x:%02x",
info->bssid[0], info->bssid[1], info->bssid[2],
info->bssid[3], info->bssid[4], info->bssid[5]);
}
return err;
}
static rt_err_t rt_wlan_sta_info_del_all(int timeout)
{
struct rt_wlan_sta_list *sta_list, *sta_next;
rt_err_t err = RT_EOK;
err = rt_mutex_take(&sta_info_mutex, rt_tick_from_millisecond(timeout));
if (err == RT_EOK)
{
/* traversing the list */
for (sta_list = sta_info.node; sta_list != RT_NULL; sta_list = sta_next)
{
sta_next = sta_list->next;
sta_info.num --;
rt_free(sta_list);
}
rt_mutex_release(&sta_info_mutex);
}
if (sta_info.num != 0)
{
RT_WLAN_LOG_W("\n\n!!!Program runing exception!!!\n\n");
}
sta_info.num = 0;
sta_info.node = RT_NULL;
return err;
}
#ifdef RT_WLAN_AUTO_CONNECT_ENABLE
static void rt_wlan_auto_connect_run(struct rt_work *work, void *parameter)
{
struct rt_wlan_cfg_info cfg_info;
char *password = RT_NULL;
rt_base_t level;
RT_WLAN_LOG_D("F:%s is run", __FUNCTION__);
if (rt_mutex_take(&mgnt_mutex, 0) != RT_EOK)
goto exit;
/* auto connect status is disable or wifi is connect or connecting, exit */
if (_is_do_connect() == RT_FALSE)
{
id = 0;
RT_WLAN_LOG_D("not connection");
goto exit;
}
/* Read the next configuration */
rt_memset(&cfg_info, 0, sizeof(struct rt_wlan_cfg_info));
if (rt_wlan_cfg_read_index(&cfg_info, id ++) == 0)
{
RT_WLAN_LOG_D("read cfg fail");
id = 0;
goto exit;
}
if (id >= rt_wlan_cfg_get_num()) id = 0;
if ((cfg_info.key.len > 0) && (cfg_info.key.len <= RT_WLAN_PASSWORD_MAX_LENGTH))
{
cfg_info.key.val[cfg_info.key.len] = '\0';
password = (char *)(&cfg_info.key.val[0]);
}
rt_wlan_connect((char *)cfg_info.info.ssid.val, password);
exit:
rt_mutex_release(&mgnt_mutex);
level = rt_hw_interrupt_disable();
rt_memset(work, 0, sizeof(struct rt_work));
rt_hw_interrupt_enable(level);
}
static void rt_wlan_cyclic_check(void *parameter)
{
static struct rt_work work;
rt_base_t level;
if ((_is_do_connect() == RT_TRUE) && (work.work_func == RT_NULL))
{
level = rt_hw_interrupt_disable();
rt_work_init(&work, rt_wlan_auto_connect_run, RT_NULL);
rt_hw_interrupt_enable(level);
if(rt_work_submit(&work,RT_TICK_PER_SECOND) != RT_EOK)
{
level = rt_hw_interrupt_disable();
rt_memset(&work, 0, sizeof(struct rt_work));
rt_hw_interrupt_enable(level);
}
}
}
#endif
static void rt_wlan_event_dispatch(struct rt_wlan_device *device, rt_wlan_dev_event_t event, struct rt_wlan_buff *buff, void *parameter)
{
rt_err_t err = RT_NULL;
rt_wlan_event_t user_event = RT_WLAN_EVT_MAX;
int i;
struct rt_wlan_buff user_buff = { 0 };
if (buff)
{
user_buff = *buff;
}
/* Event Handle */
switch (event)
{
case RT_WLAN_DEV_EVT_CONNECT:
{
RT_WLAN_LOG_D("event: CONNECT");
#ifdef RT_WLAN_AUTO_CONNECT_ENABLE
id = 0;
#endif
_sta_mgnt.state |= RT_WLAN_STATE_CONNECT;
_sta_mgnt.state &= ~RT_WLAN_STATE_CONNECTING;
user_event = RT_WLAN_EVT_STA_CONNECTED;
TIME_STOP();
user_buff.data = &_sta_mgnt.info;
user_buff.len = sizeof(struct rt_wlan_info);
RT_WLAN_LOG_I("wifi connect success ssid:%s", &_sta_mgnt.info.ssid.val[0]);
#ifdef RT_WLAN_CFG_ENABLE
{
struct rt_wlan_cfg_info cfg_info;
rt_memset(&cfg_info, 0, sizeof(cfg_info));
/* save config */
if (rt_wlan_is_connected() == RT_TRUE)
{
rt_enter_critical();
cfg_info.info = _sta_mgnt.info;
cfg_info.key = _sta_mgnt.key;
rt_exit_critical();
RT_WLAN_LOG_D("run save config! ssid:%s len%d", _sta_mgnt.info.ssid.val, _sta_mgnt.info.ssid.len);
rt_wlan_cfg_save(&cfg_info);
}
}
#endif
break;
}
case RT_WLAN_DEV_EVT_CONNECT_FAIL:
{
RT_WLAN_LOG_D("event: CONNECT_FAIL");
_sta_mgnt.state &= ~RT_WLAN_STATE_CONNECT;
_sta_mgnt.state &= ~RT_WLAN_STATE_CONNECTING;
_sta_mgnt.state &= ~RT_WLAN_STATE_READY;
user_event = RT_WLAN_EVT_STA_CONNECTED_FAIL;
user_buff.data = &_sta_mgnt.info;
user_buff.len = sizeof(struct rt_wlan_info);
if (rt_wlan_get_autoreconnect_mode())
{
TIME_START();
}
break;
}
case RT_WLAN_DEV_EVT_DISCONNECT:
{
RT_WLAN_LOG_D("event: DISCONNECT");
_sta_mgnt.state &= ~RT_WLAN_STATE_CONNECT;
_sta_mgnt.state &= ~RT_WLAN_STATE_READY;
user_event = RT_WLAN_EVT_STA_DISCONNECTED;
user_buff.data = &_sta_mgnt.info;
user_buff.len = sizeof(struct rt_wlan_info);
if (rt_wlan_get_autoreconnect_mode())
{
TIME_START();
}
break;
}
case RT_WLAN_DEV_EVT_AP_START:
{
RT_WLAN_LOG_D("event: AP_START");
_ap_mgnt.state |= RT_WLAN_STATE_ACTIVE;
user_event = RT_WLAN_EVT_AP_START;
user_buff.data = &_ap_mgnt.info;
user_buff.len = sizeof(struct rt_wlan_info);
break;
}
case RT_WLAN_DEV_EVT_AP_STOP:
{
RT_WLAN_LOG_D("event: AP_STOP");
_ap_mgnt.state &= ~RT_WLAN_STATE_ACTIVE;
user_event = RT_WLAN_EVT_AP_STOP;
err = rt_wlan_sta_info_del_all(RT_WAITING_FOREVER);
if (err != RT_NULL)
{
RT_WLAN_LOG_W("AP_STOP event handle fail");
}
user_buff.data = &_ap_mgnt.info;
user_buff.len = sizeof(struct rt_wlan_info);
break;
}
case RT_WLAN_DEV_EVT_AP_ASSOCIATED:
{
RT_WLAN_LOG_D("event: ASSOCIATED");
user_event = RT_WLAN_EVT_AP_ASSOCIATED;
if (user_buff.len != sizeof(struct rt_wlan_info))
break;
err = rt_wlan_sta_info_add(user_buff.data, RT_WAITING_FOREVER);
if (err != RT_EOK)
{
RT_WLAN_LOG_W("AP_ASSOCIATED event handle fail");
}
break;
}
case RT_WLAN_DEV_EVT_AP_DISASSOCIATED:
{
RT_WLAN_LOG_D("event: DISASSOCIATED");
user_event = RT_WLAN_EVT_AP_DISASSOCIATED;
if (user_buff.len != sizeof(struct rt_wlan_info))
break;
err = rt_wlan_sta_info_del(user_buff.data, RT_WAITING_FOREVER);
if (err != RT_EOK)
{
RT_WLAN_LOG_W("AP_DISASSOCIATED event handle fail");
}
break;
}
case RT_WLAN_DEV_EVT_AP_ASSOCIATE_FAILED:
{
RT_WLAN_LOG_D("event: AP_ASSOCIATE_FAILED");
break;
}
case RT_WLAN_DEV_EVT_SCAN_REPORT:
{
RT_WLAN_LOG_D("event: SCAN_REPORT");
user_event = RT_WLAN_EVT_SCAN_REPORT;
break;
}
case RT_WLAN_DEV_EVT_SCAN_DONE:
{
RT_WLAN_LOG_D("event: SCAN_DONE");
user_event = RT_WLAN_EVT_SCAN_DONE;
break;
}
default :
{
RT_WLAN_LOG_D("event: UNKNOWN");
return;
}
}
/* send event */
COMPLETE_LOCK();
for (i = 0; i < sizeof(complete_tab) / sizeof(complete_tab[0]); i++)
{
if ((complete_tab[i] != RT_NULL))
{
complete_tab[i]->event_flag |= 0x1 << event;
rt_event_send(&complete_tab[i]->complete, 0x1 << event);
RT_WLAN_LOG_D("&complete_tab[i]->complete:0x%08x", &complete_tab[i]->complete);
}
}
COMPLETE_UNLOCK();
#ifdef RT_WLAN_WORK_THREAD_ENABLE
rt_wlan_send_to_thread(user_event, user_buff.data, user_buff.len);
#else
{
void *user_parameter;
rt_wlan_event_handler handler = RT_NULL;
rt_base_t level;
/* Get user callback */
if (user_event < RT_WLAN_EVT_MAX)
{
level = rt_hw_interrupt_disable();
handler = event_tab[user_event].handler;
user_parameter = event_tab[user_event].parameter;
rt_hw_interrupt_enable(level);
}
/* run user callback fun */
if (handler)
{
RT_WLAN_LOG_D("unknown thread run user callback, event:%d", user_event);
handler(user_event, &user_buff, user_parameter);
}
}
#endif
}
static struct rt_wlan_complete_des *rt_wlan_complete_create(const char *name)
{
struct rt_wlan_complete_des *complete;
int i;
complete = rt_malloc(sizeof(struct rt_wlan_complete_des));
if (complete == RT_NULL)
{
RT_WLAN_LOG_E("complete event create failed");
MGNT_UNLOCK();
return complete;
}
rt_event_init(&complete->complete, name, RT_IPC_FLAG_FIFO);
complete->event_flag = 0;
//protect
COMPLETE_LOCK();
for (i = 0; i < sizeof(complete_tab) / sizeof(complete_tab[0]); i++)
{
if (complete_tab[i] == RT_NULL)
{
complete->index = i;
complete_tab[i] = complete;
break;
}
}
COMPLETE_UNLOCK();
if (i >= sizeof(complete_tab) / sizeof(complete_tab[0]))
{
rt_event_detach(&complete->complete);
rt_free(complete);
complete = RT_NULL;
}
return complete;
}
static rt_err_t rt_wlan_complete_wait(struct rt_wlan_complete_des *complete, rt_uint32_t event,
rt_uint32_t timeout, rt_uint32_t *recved)
{
if (complete == RT_NULL)
{
return -RT_ERROR;
}
/* Check whether there is a waiting event */
if (complete->event_flag & event)
{
*recved = complete->event_flag;
return RT_EOK;
}
else
{
return rt_event_recv(&complete->complete, event, RT_EVENT_FLAG_OR,
rt_tick_from_millisecond(timeout), recved);
}
}
static void rt_wlan_complete_delete(struct rt_wlan_complete_des *complete)
{
if (complete == RT_NULL)
{
return;
}
COMPLETE_LOCK();
complete_tab[complete->index] = RT_NULL;
COMPLETE_UNLOCK();
rt_event_detach(&complete->complete);
rt_free(complete);
}
rt_err_t rt_wlan_set_mode(const char *dev_name, rt_wlan_mode_t mode)
{
rt_device_t device = RT_NULL;
rt_err_t err;
rt_int8_t up_event_flag = 0;
rt_wlan_dev_event_handler handler = RT_NULL;
if ((dev_name == RT_NULL) || (mode >= RT_WLAN_MODE_MAX))
{
RT_WLAN_LOG_E("Parameter Wrongful name:%s mode:%d", dev_name, mode);
return -RT_EINVAL;
}
RT_WLAN_LOG_D("%s is run dev_name:%s mode:%s%s%s", __FUNCTION__, dev_name,
mode == RT_WLAN_NONE ? "NONE" : "",
mode == RT_WLAN_STATION ? "STA" : "",
mode == RT_WLAN_AP ? "AP" : ""
);
/* find device */
device = rt_device_find(dev_name);
if (device == RT_NULL)
{
RT_WLAN_LOG_E("not find device, set mode failed! name:%s", dev_name);
return -RT_EIO;
}
MGNT_LOCK();
if (RT_WLAN_DEVICE(device)->mode == mode)
{
RT_WLAN_LOG_D("L:%d this device mode is set");
MGNT_UNLOCK();
return RT_EOK;
}
if ((mode == RT_WLAN_STATION) &&
(RT_WLAN_DEVICE(device)->flags & RT_WLAN_FLAG_AP_ONLY))
{
RT_WLAN_LOG_I("this device ap mode only");
MGNT_UNLOCK();
return -RT_ERROR;
}
else if ((mode == RT_WLAN_AP) &&
(RT_WLAN_DEVICE(device)->flags & RT_WLAN_FLAG_STA_ONLY))
{
RT_WLAN_LOG_I("this device sta mode only");
MGNT_UNLOCK();
return -RT_ERROR;
}
/*
* device == sta and change to ap, should deinit
* device == ap and change to sta, should deinit
*/
if (((mode == RT_WLAN_STATION) && (RT_WLAN_DEVICE(device) == AP_DEVICE())) ||
((mode == RT_WLAN_AP) && (RT_WLAN_DEVICE(device) == STA_DEVICE())))
{
err = rt_wlan_set_mode(dev_name, RT_WLAN_NONE);
if (err != RT_EOK)
{
RT_WLAN_LOG_E("change mode failed!");
MGNT_UNLOCK();
return err;
}
}
/* init device */
err = rt_wlan_dev_init(RT_WLAN_DEVICE(device), mode);
if (err != RT_EOK)
{
RT_WLAN_LOG_E("F:%s L:%d wlan init failed", __FUNCTION__, __LINE__);
MGNT_UNLOCK();
return err;
}
/* the mode is none */
if (mode == RT_WLAN_NONE)
{
if (_sta_mgnt.device == RT_WLAN_DEVICE(device))
{
_sta_mgnt.device = RT_NULL;
_sta_mgnt.state = 0;
up_event_flag = 1;
handler = RT_NULL;
}
else if (_ap_mgnt.device == RT_WLAN_DEVICE(device))
{
_ap_mgnt.state = 0;
_ap_mgnt.device = RT_NULL;
up_event_flag = 1;
handler = RT_NULL;
}
}
/* save sta device */
else if (mode == RT_WLAN_STATION)
{
up_event_flag = 1;
handler = rt_wlan_event_dispatch;
_sta_mgnt.device = RT_WLAN_DEVICE(device);
}
/* save ap device */
else if (mode == RT_WLAN_AP)
{
up_event_flag = 1;
handler = rt_wlan_event_dispatch;
_ap_mgnt.device = RT_WLAN_DEVICE(device);
}
/* update dev event handle */
if (up_event_flag == 1)
{
if (handler)
{
if (mode == RT_WLAN_STATION)
{
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), RT_WLAN_DEV_EVT_CONNECT, handler, RT_NULL);
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), RT_WLAN_DEV_EVT_CONNECT_FAIL, handler, RT_NULL);
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), RT_WLAN_DEV_EVT_DISCONNECT, handler, RT_NULL);
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), RT_WLAN_DEV_EVT_SCAN_REPORT, handler, RT_NULL);
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), RT_WLAN_DEV_EVT_SCAN_DONE, handler, RT_NULL);
}
else if (mode == RT_WLAN_AP)
{
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), RT_WLAN_DEV_EVT_AP_START, handler, RT_NULL);
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), RT_WLAN_DEV_EVT_AP_STOP, handler, RT_NULL);
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), RT_WLAN_DEV_EVT_AP_ASSOCIATED, handler, RT_NULL);
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), RT_WLAN_DEV_EVT_AP_DISASSOCIATED, handler, RT_NULL);
rt_wlan_dev_register_event_handler(RT_WLAN_DEVICE(device), RT_WLAN_DEV_EVT_AP_ASSOCIATE_FAILED, handler, RT_NULL);
}
}
else
{
rt_wlan_dev_event_t event;
handler = rt_wlan_event_dispatch;
for (event = RT_WLAN_DEV_EVT_INIT_DONE; event < RT_WLAN_DEV_EVT_MAX; event++)
{
rt_wlan_dev_unregister_event_handler(RT_WLAN_DEVICE(device), event, handler);
}
}
}
MGNT_UNLOCK();
/* Mount protocol */
#if defined(RT_WLAN_PROT_ENABLE) && defined(RT_WLAN_DEFAULT_PROT)
if (err == RT_EOK)
{
rt_wlan_prot_attach(dev_name, RT_WLAN_DEFAULT_PROT);
}
#endif
return err;
}
rt_wlan_mode_t rt_wlan_get_mode(const char *dev_name)
{
rt_device_t device = RT_NULL;
rt_wlan_mode_t mode;
if (dev_name == RT_NULL)
{
RT_WLAN_LOG_E("name is null");
return RT_WLAN_NONE;
}
/* find device */
device = rt_device_find(dev_name);
if (device == RT_NULL)
{
RT_WLAN_LOG_E("device not find! name:%s", dev_name);
return RT_WLAN_NONE;
}
/* get mode */
mode = RT_WLAN_DEVICE(device)->mode;
RT_WLAN_LOG_D("%s is run dev_name:%s mode:%s%s%s", __FUNCTION__, dev_name,
mode == RT_WLAN_NONE ? "NONE" : "",
mode == RT_WLAN_STATION ? "STA" : "",
mode == RT_WLAN_AP ? "AP" : "");
return mode;
}
#ifdef RT_WLAN_JOIN_SCAN_BY_MGNT
static void rt_wlan_join_scan_callback(int event, struct rt_wlan_buff *buff, void *parameter)
{
struct rt_wlan_info *info = RT_NULL;
struct rt_wlan_info *tgt_info = RT_NULL;
RT_ASSERT(event == RT_WLAN_EVT_SCAN_REPORT);
RT_ASSERT(buff != RT_NULL);
RT_ASSERT(parameter != RT_NULL);
info = (struct rt_wlan_info *)buff->data;
tgt_info = (struct rt_wlan_info *)parameter;
RT_WLAN_LOG_D("%s info len:%d tgt info len:%d", __FUNCTION__,info->ssid.len,tgt_info->ssid.len);
RT_WLAN_LOG_D("%s info ssid:%s tgt info ssid:%s", __FUNCTION__,&info->ssid.val[0],&tgt_info->ssid.val[0]);
if(rt_memcmp(&info->ssid.val[0], &tgt_info->ssid.val[0], info->ssid.len) == 0 &&
info->ssid.len == tgt_info->ssid.len)
{
/*Get the rssi the max ap*/
if((info->rssi > tgt_info->rssi) || (tgt_info->rssi == 0))
{
tgt_info->security = info->security;
tgt_info->band = info->band;
tgt_info->datarate = info->datarate;
tgt_info->channel = info->channel;
tgt_info->rssi = info->rssi;
tgt_info->hidden = info->hidden;
/* hwaddr */
rt_memcpy(tgt_info->bssid,info->bssid,RT_WLAN_BSSID_MAX_LENGTH);
}
}
}
#endif
rt_err_t rt_wlan_connect(const char *ssid, const char *password)
{
rt_err_t err = RT_EOK;
int ssid_len = 0;
struct rt_wlan_info info;
struct rt_wlan_complete_des *complete;
rt_uint32_t set = 0, recved = 0;
/* sta dev Can't be NULL */
if (_sta_is_null())
{
return -RT_EIO;
}
RT_WLAN_LOG_D("%s is run ssid:%s password:%s", __FUNCTION__, ssid, password);
if (ssid == RT_NULL)
{
RT_WLAN_LOG_E("ssid is null!");
return -RT_EINVAL;
}
ssid_len = rt_strlen(ssid);
if (ssid_len > RT_WLAN_SSID_MAX_LENGTH)
{
RT_WLAN_LOG_E("ssid is to long! ssid:%s len:%d", ssid, ssid_len);
return -RT_EINVAL;
}
if ((rt_wlan_is_connected() == RT_TRUE) &&
(rt_strcmp((char *)&_sta_mgnt.info.ssid.val[0], ssid) == 0))
{
RT_WLAN_LOG_I("wifi is connect ssid:%s", ssid);
return RT_EOK;
}
/* get info from cache */
INVALID_INFO(&info);
MGNT_LOCK();
rt_memcpy(&info.ssid.val[0],ssid,rt_strlen(ssid));
info.ssid.len = rt_strlen(ssid);
#ifdef RT_WLAN_JOIN_SCAN_BY_MGNT
err = rt_wlan_register_event_handler(RT_WLAN_EVT_SCAN_REPORT,rt_wlan_join_scan_callback,&info);
if(err != RT_EOK)
{
LOG_E("Scan register user callback error:%d!\n",err);
return err;
}
err = rt_wlan_scan_with_info(&info);
if(err != RT_EOK)
{
LOG_E("Scan with info error:%d!\n",err);
return err;
}
if (info.channel <= 0)
{
RT_WLAN_LOG_W("not find ap! ssid:%s,info.ssid.len=%d", ssid,info.ssid.len);
MGNT_UNLOCK();
return -RT_ERROR;
}
RT_WLAN_LOG_D("find best info ssid:%s mac: %02x %02x %02x %02x %02x %02x",
info.ssid.val, info.bssid[0], info.bssid[1], info.bssid[2], info.bssid[3], info.bssid[4], info.bssid[5]);
#endif
/* create event wait complete */
complete = rt_wlan_complete_create("join");
if (complete == RT_NULL)
{
MGNT_UNLOCK();
return -RT_ENOMEM;
}
/* run connect adv */
err = rt_wlan_connect_adv(&info, password);
if (err != RT_EOK)
{
rt_wlan_complete_delete(complete);
MGNT_UNLOCK();
return err;
}
/* Initializing events that need to wait */
set |= 0x1 << RT_WLAN_DEV_EVT_CONNECT;
set |= 0x1 << RT_WLAN_DEV_EVT_CONNECT_FAIL;
/* Check whether there is a waiting event */
rt_wlan_complete_wait(complete, set, RT_WLAN_CONNECT_WAIT_MS, &recved);
rt_wlan_complete_delete(complete);
/* check event */
set = 0x1 << RT_WLAN_DEV_EVT_CONNECT;
if (!(recved & set))
{
RT_WLAN_LOG_I("wifi connect failed!");
MGNT_UNLOCK();
return -RT_ERROR;
}
MGNT_UNLOCK();
return err;
}
rt_err_t rt_wlan_connect_adv(struct rt_wlan_info *info, const char *password)
{
int password_len = 0;
rt_err_t err = RT_EOK;
if (_sta_is_null())
{
return -RT_EIO;
}
if (info == RT_NULL)
{
RT_WLAN_LOG_E("info is null!");
return -RT_EINVAL;
}
RT_WLAN_LOG_D("%s is run ssid:%s password:%s", __FUNCTION__, info->ssid.val, password);
/* Parameter checking */
if (password != RT_NULL)
{
password_len = rt_strlen(password);
if (password_len > RT_WLAN_PASSWORD_MAX_LENGTH)
{
RT_WLAN_LOG_E("password is to long! password:%s len:%d", password, password_len);
return -RT_EINVAL;
}