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rt-thread-official/components/drivers/wlan/wlan_prot.c

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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-08-14 tyx the first version
*/
#include <rthw.h>
#include <rtthread.h>
#include <wlan_dev.h>
#include <wlan_prot.h>
#define DBG_TAG "WLAN.prot"
#ifdef RT_WLAN_PROT_DEBUG
#define DBG_LVL DBG_LOG
#else
#define DBG_LVL DBG_INFO
#endif /* RT_WLAN_PROT_DEBUG */
#include <rtdbg.h>
#if RT_WLAN_PROT_NAME_LEN < 4
#error "The name is too short"
#endif
struct rt_wlan_prot_event_des
{
rt_wlan_prot_event_handler handler;
struct rt_wlan_prot *prot;
};
static struct rt_wlan_prot *_prot[RT_WLAN_PROT_MAX];
static struct rt_wlan_prot_event_des prot_event_tab[RT_WLAN_PROT_EVT_MAX][RT_WLAN_PROT_MAX];
static void rt_wlan_prot_event_handle(struct rt_wlan_device *wlan, rt_wlan_dev_event_t event, struct rt_wlan_buff *buff, void *parameter)
{
int i;
struct rt_wlan_prot *wlan_prot;
struct rt_wlan_prot *prot;
rt_wlan_prot_event_handler handler;
rt_wlan_prot_event_t prot_event;
LOG_D("F:%s L:%d event:%d", __FUNCTION__, __LINE__, event);
wlan_prot = wlan->prot;
handler = RT_NULL;
prot = RT_NULL;
switch (event)
{
case RT_WLAN_DEV_EVT_INIT_DONE:
{
LOG_D("L%d event: INIT_DONE", __LINE__);
prot_event = RT_WLAN_PROT_EVT_INIT_DONE;
break;
}
case RT_WLAN_DEV_EVT_CONNECT:
{
LOG_D("L%d event: CONNECT", __LINE__);
prot_event = RT_WLAN_PROT_EVT_CONNECT;
break;
}
case RT_WLAN_DEV_EVT_DISCONNECT:
{
LOG_D("L%d event: DISCONNECT", __LINE__);
prot_event = RT_WLAN_PROT_EVT_DISCONNECT;
break;
}
case RT_WLAN_DEV_EVT_AP_START:
{
LOG_D("L%d event: AP_START", __LINE__);
prot_event = RT_WLAN_PROT_EVT_AP_START;
break;
}
case RT_WLAN_DEV_EVT_AP_STOP:
{
LOG_D("L%d event: AP_STOP", __LINE__);
prot_event = RT_WLAN_PROT_EVT_AP_STOP;
break;
}
case RT_WLAN_DEV_EVT_AP_ASSOCIATED:
{
LOG_D("L%d event: AP_ASSOCIATED", __LINE__);
prot_event = RT_WLAN_PROT_EVT_AP_ASSOCIATED;
break;
}
case RT_WLAN_DEV_EVT_AP_DISASSOCIATED:
{
LOG_D("L%d event: AP_DISASSOCIATED", __LINE__);
prot_event = RT_WLAN_PROT_EVT_AP_DISASSOCIATED;
break;
}
default:
{
return;
}
}
for (i = 0; i < RT_WLAN_PROT_MAX; i++)
{
if ((prot_event_tab[prot_event][i].handler != RT_NULL) &&
(prot_event_tab[prot_event][i].prot->id == wlan_prot->id))
{
handler = prot_event_tab[prot_event][i].handler;
prot = prot_event_tab[prot_event][i].prot;
break;
}
}
if (handler != RT_NULL)
{
handler(prot, wlan, prot_event);
}
}
static struct rt_wlan_device *rt_wlan_prot_find_by_name(const char *name)
{
rt_device_t device;
if (name == RT_NULL)
{
LOG_E("F:%s L:%d Parameter Wrongful", __FUNCTION__, __LINE__);
return RT_NULL;
}
device = rt_device_find(name);
if (device == RT_NULL)
{
LOG_E("F:%s L:%d not find wlan dev!! name:%s", __FUNCTION__, __LINE__, name);
return RT_NULL;
}
return (struct rt_wlan_device *)device;
}
rt_err_t rt_wlan_prot_attach(const char *dev_name, const char *prot_name)
{
struct rt_wlan_device *wlan;
wlan = rt_wlan_prot_find_by_name(dev_name);
if (wlan == RT_NULL)
{
return -RT_ERROR;
}
return rt_wlan_prot_attach_dev(wlan, prot_name);
}
rt_err_t rt_wlan_prot_detach(const char *name)
{
struct rt_wlan_device *wlan;
wlan = rt_wlan_prot_find_by_name(name);
if (wlan == RT_NULL)
{
return -RT_ERROR;
}
return rt_wlan_prot_detach_dev(wlan);
}
rt_err_t rt_wlan_prot_attach_dev(struct rt_wlan_device *wlan, const char *prot_name)
{
int i = 0;
struct rt_wlan_prot *prot = wlan->prot;
rt_wlan_dev_event_t event;
if (wlan == RT_NULL)
{
LOG_E("F:%s L:%d wlan is null", __FUNCTION__, __LINE__);
return -RT_ERROR;
}
if (prot != RT_NULL &&
(rt_strcmp(prot->name, prot_name) == 0))
{
LOG_D("prot is register");
return RT_EOK;
}
/* if prot not NULL */
if (prot != RT_NULL)
rt_wlan_prot_detach_dev(wlan);
#ifdef RT_WLAN_PROT_LWIP_PBUF_FORCE
if (rt_strcmp(RT_WLAN_PROT_LWIP, prot_name) != 0)
{
return -RT_ERROR;
}
#endif
/* find prot */
for (i = 0; i < RT_WLAN_PROT_MAX; i++)
{
if ((_prot[i] != RT_NULL) && (rt_strcmp(_prot[i]->name, prot_name) == 0))
{
/* attach prot */
wlan->prot = _prot[i]->ops->dev_reg_callback(_prot[i], wlan);
break;
}
}
if (i >= RT_WLAN_PROT_MAX)
{
LOG_E("F:%s L:%d not find wlan protocol", __FUNCTION__, __LINE__);
return -RT_ERROR;
}
for (event = RT_WLAN_DEV_EVT_INIT_DONE; event < RT_WLAN_DEV_EVT_MAX; event ++)
{
if (rt_wlan_dev_register_event_handler(wlan, event, rt_wlan_prot_event_handle, RT_NULL) != RT_EOK)
{
LOG_E("prot register event filed:%d", event);
}
}
return RT_EOK;
}
rt_err_t rt_wlan_prot_detach_dev(struct rt_wlan_device *wlan)
{
struct rt_wlan_prot *prot = wlan->prot;
rt_wlan_dev_event_t event;
if (prot == RT_NULL)
return RT_EOK;
for (event = RT_WLAN_DEV_EVT_INIT_DONE; event < RT_WLAN_DEV_EVT_MAX; event ++)
{
rt_wlan_dev_unregister_event_handler(wlan, event, rt_wlan_prot_event_handle);
}
/* detach prot */
prot->ops->dev_unreg_callback(prot, wlan);
wlan->prot = RT_NULL;
return RT_EOK;
}
rt_err_t rt_wlan_prot_regisetr(struct rt_wlan_prot *prot)
{
int i;
rt_uint32_t id;
static rt_uint8_t num;
/* Parameter checking */
if ((prot == RT_NULL) ||
(prot->ops->prot_recv == RT_NULL) ||
(prot->ops->dev_reg_callback == RT_NULL))
{
LOG_E("F:%s L:%d Parameter Wrongful", __FUNCTION__, __LINE__);
return -RT_EINVAL;
}
/* save prot */
for (i = 0; i < RT_WLAN_PROT_MAX; i++)
{
if (_prot[i] == RT_NULL)
{
id = (RT_LWAN_ID_PREFIX << 16) | num;
prot->id = id;
_prot[i] = prot;
num ++;
break;
}
else if (rt_strcmp(_prot[i]->name, prot->name) == 0)
{
break;
}
}
/* is full */
if (i >= RT_WLAN_PROT_MAX)
{
LOG_E("F:%s L:%d Space full", __FUNCTION__, __LINE__);
return -RT_ERROR;
}
return RT_EOK;
}
rt_err_t rt_wlan_prot_event_register(struct rt_wlan_prot *prot, rt_wlan_prot_event_t event, rt_wlan_prot_event_handler handler)
{
int i;
if ((prot == RT_NULL) || (handler == RT_NULL))
{
return -RT_EINVAL;
}
for (i = 0; i < RT_WLAN_PROT_MAX; i++)
{
if (prot_event_tab[event][i].handler == RT_NULL)
{
prot_event_tab[event][i].handler = handler;
prot_event_tab[event][i].prot = prot;
return RT_EOK;
}
}
return -RT_ERROR;
}
rt_err_t rt_wlan_prot_event_unregister(struct rt_wlan_prot *prot, rt_wlan_prot_event_t event)
{
int i;
if (prot == RT_NULL)
{
return -RT_EINVAL;
}
for (i = 0; i < RT_WLAN_PROT_MAX; i++)
{
if ((prot_event_tab[event][i].handler != RT_NULL) &&
(prot_event_tab[event][i].prot == prot))
{
rt_memset(&prot_event_tab[event][i], 0, sizeof(struct rt_wlan_prot_event_des));
return RT_EOK;
}
}
return -RT_ERROR;
}
rt_err_t rt_wlan_prot_transfer_dev(struct rt_wlan_device *wlan, void *buff, int len)
{
if (wlan->ops->wlan_send != RT_NULL)
{
return wlan->ops->wlan_send(wlan, buff, len);
}
return -RT_ERROR;
}
rt_err_t rt_wlan_dev_transfer_prot(struct rt_wlan_device *wlan, void *buff, int len)
{
struct rt_wlan_prot *prot = wlan->prot;
if (prot != RT_NULL)
{
return prot->ops->prot_recv(wlan, buff, len);
}
return -RT_ERROR;
}
extern int rt_wlan_prot_ready_event(struct rt_wlan_device *wlan, struct rt_wlan_buff *buff);
int rt_wlan_prot_ready(struct rt_wlan_device *wlan, struct rt_wlan_buff *buff)
{
return rt_wlan_prot_ready_event(wlan, buff);
}
void rt_wlan_prot_dump(void)
{
int i;
rt_kprintf(" name id \n");
rt_kprintf("-------- --------\n");
for (i = 0; i < RT_WLAN_PROT_MAX; i++)
{
if (_prot[i] != RT_NULL)
{
rt_kprintf("%-8.8s ", _prot[i]->name);
rt_kprintf("%08x\n", _prot[i]->id);
}
}
}
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