os_timers.h

marvell cf wifi driver source code CF-8385-linux-x86-5.0.4.p0-132-src.rar

#ifndef	_OS_TIMERS_H
#define _OS_TIMERS_H

typedef struct __WLAN_DRV_TIMER
{
	struct timer_list 	tl;
	void			(*timer_function)(void *context);
	void			*function_context;
	UINT 			time_period;
	BOOLEAN 		timer_is_periodic;
	BOOLEAN 		timer_is_canceled;
} __ATTRIB_PACK__ WLAN_DRV_TIMER, *PWLAN_DRV_TIMER;

static inline void TimerHandler(unsigned long fcontext)
{
	PWLAN_DRV_TIMER timer = (PWLAN_DRV_TIMER) fcontext;

	timer->timer_function(timer->function_context);

	if (timer->timer_is_periodic == TRUE) {
		mod_timer(&timer->tl,
				jiffies + ((timer->time_period * HZ) / 1000));
	}
}

static inline void InitializeTimer(PWLAN_DRV_TIMER timer,
                                   void (*TimerFunction)(void *context),
		                                   void *FunctionContext)
{
	// first, setup the timer to trigger the WlanTimerHandler proxy
	init_timer(&timer->tl);
	timer->tl.function = TimerHandler;
	timer->tl.data = (unsigned long) timer;

	// then tell the proxy which function to call and what to pass it       
	timer->timer_function = TimerFunction;
	timer->function_context = FunctionContext;
	timer->timer_is_canceled = FALSE;
}

static inline void SetTimer(PWLAN_DRV_TIMER timer, UINT MillisecondPeriod)
{
	timer->time_period = MillisecondPeriod;
	timer->timer_is_periodic = FALSE;
	timer->tl.expires = jiffies + (MillisecondPeriod * HZ) / 1000;
	add_timer(&timer->tl);
	timer->timer_is_canceled = FALSE;
}

static inline void ModTimer(PWLAN_DRV_TIMER timer, UINT MillisecondPeriod)
{
	timer->time_period = MillisecondPeriod;
	timer->timer_is_periodic = FALSE;
	mod_timer(&timer->tl, jiffies + (MillisecondPeriod * HZ) / 1000);
	timer->timer_is_canceled = FALSE;
}

static inline void SetPeriodicTimer(PWLAN_DRV_TIMER timer,
		                                    UINT MillisecondPeriod)
{
	timer->time_period = MillisecondPeriod;
	timer->timer_is_periodic = TRUE;
	timer->tl.expires = jiffies + (MillisecondPeriod * HZ) / 1000;
	add_timer(&timer->tl);
	timer->timer_is_canceled = FALSE;
}

#define	FreeTimer	CancelTimer

static inline void CancelTimer(WLAN_DRV_TIMER *timer)
{
	del_timer(&timer->tl);
	timer->timer_is_canceled = TRUE;
}

#endif /* _OS_TIMERS_H */