upgrade to broadcom-wl 4.150.10.5.2

SVN-Revision: 10749

1 files changed, 0 insertions, 738 deletions

diff --git a/package/nvram/src/linux_timer.c b/package/nvram/src/linux_timer.c
deleted file mode 100644
index 0402e44378..0000000000
--- a/package/nvram/src/linux_timer.c
+++ /dev/null
@@ -1,738 +0,0 @@
-/*
- * Copyright 2004, Broadcom Corporation
- * All Rights Reserved.
- * 
- * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
- * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
- * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
- *
- * Low resolution timer interface linux specific implementation.
- *
- * $Id$
- */
-
-/*
-* debug facilities
-*/
-#define TIMER_DEBUG	0
-#if TIMER_DEBUG
-#define TIMERDBG(fmt, args...) printf("%s: " fmt "\n" , __FUNCTION__ , ## args)
-#else
-#define TIMERDBG(fmt, args...)
-#endif
-
-
-/*
- * POSIX timer support for Linux. Taken from linux_timer.c in upnp
- */
-
-#define __USE_GNU
-
-
-#include <stdlib.h>	    // for malloc, free, etc.
-#include <string.h>	    // for memset, strncasecmp, etc.
-#include <assert.h>	    // for assert, of course.
-#include <signal.h>	    // for sigemptyset, etc.
-#include <stdio.h>	    // for printf, etc.
-#include <sys/time.h>
-#include <time.h>
-
-/* define TIMER_PROFILE to enable code which guages how accurate the timer functions are.
-   For each expiring timer the code will print the expected time interval and the actual time interval.
-#define TIMER_PROFILE
-*/
-#undef TIMER_PROFILE
-
-/*
-timer_cancel( ) - cancel a timer
-timer_connect( ) - connect a user routine to the timer signal
-timer_create( ) - allocate a timer using the specified clock for a timing base (POSIX)
-timer_delete( ) - remove a previously created timer (POSIX)
-timer_gettime( ) - get the remaining time before expiration and the reload value (POSIX)
-timer_getoverrun( ) - return the timer expiration overrun (POSIX)
-timer_settime( ) - set the time until the next expiration and arm timer (POSIX)
-nanosleep( ) - suspend the current task until the time interval elapses (POSIX)
-*/
-
-#define MS_PER_SEC 1000
-#define US_PER_SEC 1000000
-#define US_PER_MS  1000
-#define UCLOCKS_PER_SEC 1000000
-
-typedef void (*event_callback_t)(timer_t, int);
-
-#ifndef TIMESPEC_TO_TIMEVAL
-# define TIMESPEC_TO_TIMEVAL(tv, ts) {                                   \
-        (tv)->tv_sec = (ts)->tv_sec;                                    \
-        (tv)->tv_usec = (ts)->tv_nsec / 1000;                           \
-}
-#endif
-
-#ifndef TIMEVAL_TO_TIMESPEC
-# define TIMEVAL_TO_TIMESPEC(tv, ts) {                                   \
-        (ts)->tv_sec = (tv)->tv_sec;                                    \
-        (ts)->tv_nsec = (tv)->tv_usec * 1000;                           \
-}
-#endif
-
-#define ROUNDUP(x,y) ((((x)+(y)-1)/(y))*(y))
-
-#define timerroundup(t,g) \
-    do { \
-	if (!timerisset(t)) (t)->tv_usec=1; \
-	if ((t)->tv_sec == 0) (t)->tv_usec=ROUNDUP((t)->tv_usec, g); \
-    } while (0)
-
-typedef long uclock_t;
-
-#define TFLAG_NONE	0
-#define TFLAG_CANCELLED	(1<<0)
-#define TFLAG_DELETED	(1<<1)
-
-struct event {
-    struct timeval it_interval;
-    struct timeval it_value;
-    event_callback_t func;
-    int arg;
-    unsigned short flags;
-    struct event *next;
-#ifdef TIMER_PROFILE
-    uint expected_ms;
-    uclock_t start;
-#endif
-};
-
-void timer_cancel(timer_t timerid);
-
-static void alarm_handler(int i);
-static void check_event_queue();
-static void print_event_queue();
-static void check_timer();
-#if THIS_FINDS_USE
-static int count_queue(struct event *);
-#endif
-static int timer_change_settime(timer_t timer_id, const struct itimerspec *timer_spec);
-void block_timer();
-void unblock_timer();
-
-static struct event *event_queue = NULL;
-static struct event *event_freelist;
-static uint g_granularity;
-static int g_maxevents = 0;
-
-uclock_t uclock()
-{
-    struct timeval tv;
-
-    gettimeofday(&tv, NULL);
-    return ((tv.tv_sec * US_PER_SEC) + tv.tv_usec);
-}
-
-
-void init_event_queue(int n)
-{
-    int i;
-    struct itimerval tv;
-    
-    g_maxevents = n;
-    event_freelist = (struct event *) malloc(n * sizeof(struct event));
-    memset(event_freelist, 0, n * sizeof(struct event));
-
-    for (i = 0; i < (n-1); i++) 
-	event_freelist[i].next = &event_freelist[i+1];
-
-    event_freelist[i].next = NULL;
-
-    tv.it_interval.tv_sec = 0;
-    tv.it_interval.tv_usec = 1;
-    tv.it_value.tv_sec = 0;
-    tv.it_value.tv_usec = 0;
-    setitimer (ITIMER_REAL, &tv, 0);
-    setitimer (ITIMER_REAL, 0, &tv);
-    g_granularity = tv.it_interval.tv_usec;
-
-    signal(SIGALRM, alarm_handler);
-}
-
-
-int clock_gettime(
-    clockid_t         clock_id, /* clock ID (always CLOCK_REALTIME) */
-    struct timespec * tp        /* where to store current time */
-)
-{
-    struct timeval tv;
-    int n;
-
-
-    n = gettimeofday(&tv, NULL);
-    TIMEVAL_TO_TIMESPEC(&tv, tp);
-    
-    return n;
-}
-
-
-int timer_create(
-    clockid_t         clock_id, /* clock ID (always CLOCK_REALTIME) */
-    struct sigevent * evp,      /* user event handler */
-    timer_t *         pTimer    /* ptr to return value */
-)
-{
-    struct event *event;
-
-    if (clock_id != CLOCK_REALTIME) {
-	TIMERDBG("timer_create can only support clock id CLOCK_REALTIME");
-	exit(1);
-    }
-
-    if (evp != NULL) {
-	if (evp->sigev_notify != SIGEV_SIGNAL || evp->sigev_signo != SIGALRM) {
-	    TIMERDBG("timer_create can only support signalled alarms using SIGALRM");
-	    exit(1);
-	}
-    }
-
-    event = event_freelist;
-    if (event == NULL) {
-	print_event_queue();
-    }
-    assert(event != NULL);
-
-    event->flags = TFLAG_NONE;
-    
-    event_freelist = event->next;
-    event->next = NULL;
-
-    check_event_queue();
-
-    *pTimer = (timer_t) event;
-
-    return 0;
-}
-
-int timer_delete(
-    timer_t timerid /* timer ID */
-)
-{
-    struct event *event = (struct event *) timerid;
-    
-    if (event->flags & TFLAG_DELETED) {
-	TIMERDBG("Cannot delete a deleted event");
-	return 1;
-    }
-
-    timer_cancel(timerid);
-    
-    event->flags |= TFLAG_DELETED;
-
-    event->next = event_freelist;
-    event_freelist = event;
-
-    return 0;
-}
-
-int timer_connect
-(
-    timer_t     timerid, /* timer ID */
-    void (*routine)(timer_t, int), /* user routine */
-    int         arg      /* user argument */
-)
-{
-    struct event *event = (struct event *) timerid;
-
-    assert(routine != NULL);
-    event->func = routine;
-    event->arg = arg;
-    
-    return 0;
-}    
-
-/* 
- * Please Call this function only from the call back functions of the alarm_handler.
- * This is just a hack 
-*/
-int timer_change_settime
-(
-    timer_t                   timerid, /* timer ID */
-    const struct itimerspec * value   /* time to be set */
-)
-{
-    struct event *event = (struct event *) timerid;
-
-    TIMESPEC_TO_TIMEVAL(&event->it_interval, &value->it_interval);
-    TIMESPEC_TO_TIMEVAL(&event->it_value, &value->it_value);
-
-    return 1; 	
-}
-
-int timer_settime
-(
-    timer_t                   timerid, /* timer ID */
-    int                       flags,   /* absolute or relative */
-    const struct itimerspec * value,   /* time to be set */
-    struct itimerspec *       ovalue   /* previous time set (NULL=no result) */
-)
-{
-    struct itimerval itimer;
-    struct event *event = (struct event *) timerid;
-    struct event **ppevent;
-
-    TIMESPEC_TO_TIMEVAL(&event->it_interval, &value->it_interval);
-    TIMESPEC_TO_TIMEVAL(&event->it_value, &value->it_value);
-
-    /* if .it_value is zero, the timer is disarmed */
-    if (!timerisset(&event->it_value)) {
-	timer_cancel(timerid);
-	return 0;
-    }
-
-    block_timer();
-
-#ifdef TIMER_PROFILE
-    event->expected_ms = (event->it_value.tv_sec * MS_PER_SEC) + (event->it_value.tv_usec / US_PER_MS);
-    event->start = uclock();
-#endif
-    if (event->next) {
-	TIMERDBG("calling timer_settime with a timer that is already on the queue.");
-    }
-
-
-    /* We always want to make sure that the event at the head of the
-       queue has a timeout greater than the itimer granularity.
-       Otherwise we end up with the situation that the time remaining
-       on an itimer is greater than the time at the head of the queue
-       in the first place. */
-    timerroundup(&event->it_value, g_granularity);
-
-    timerclear(&itimer.it_value);
-    getitimer(ITIMER_REAL, &itimer);
-    if (timerisset(&itimer.it_value)) {
-	// reset the top timer to have an interval equal to the remaining interval 
-	// when the timer was cancelled.
-	if (event_queue) {
-	    if (timercmp(&(itimer.it_value), &(event_queue->it_value), >)) {
-		// it is an error if the amount of time remaining is more than the amount of time 
-		// requested by the top event.
-		//
-		TIMERDBG("timer_settime: TIMER ERROR!");
-
-	    } else {
-		// some portion of the top event has already expired.
-		// Reset the interval of the top event to remaining
-		// time left in that interval.
-		//
-		event_queue->it_value = itimer.it_value;
-
-		// if we were the earliest timer before now, we are still the earliest timer now.
-		// we do not need to reorder the list.
-	    }
-	}
-    }
-
-    // Now, march down the list, decrementing the new timer by the
-    // current it_value of each event on the queue.
-    ppevent = &event_queue;
-    while (*ppevent) {
-	if ( timercmp(&(event->it_value), &((*ppevent)->it_value), <) ) {
-	    // if the proposed event will trigger sooner than the next event
-	    // in the queue, we will insert the new event just before the next one.
-	    //
-	    // we also need to adjust the delta value to the next event.
-	    timersub(&((*ppevent)->it_value), &(event->it_value), &((*ppevent)->it_value));
-	    break;
-	}
-	// subtract the interval of the next event from the proposed interval.
-	timersub(&(event->it_value), &((*ppevent)->it_value), &(event->it_value));
-
-	ppevent = &((*ppevent)->next);
-    }
-    
-    // we have found our proper place in the queue, 
-    // link our new event into the pending event queue.
-    event->next = *ppevent;
-    *ppevent = event;
-
-    check_event_queue();
-
-    // if our new event ended up at the front of the queue, reissue the timer.
-    if (event == event_queue) {
-	timerroundup(&event_queue->it_value, g_granularity);
-	timerclear(&itimer.it_interval);
-	itimer.it_value = event_queue->it_value;
-	
-	// we want to be sure to never turn off the timer completely, 
-	// so if the next interval is zero, set it to some small value.
-	if (!timerisset(&(itimer.it_value)))
-	    itimer.it_value = (struct timeval) { 0, 1 };
-	
-	assert(!timerisset(&itimer.it_interval));
-	assert(itimer.it_value.tv_sec > 0 || itimer.it_value.tv_usec >= g_granularity);
-	assert(event_queue->it_value.tv_sec > 0 || event_queue->it_value.tv_usec >= g_granularity);
-	setitimer(ITIMER_REAL, &itimer, NULL);
-	check_timer();
-    }
-
-    event->flags &= ~TFLAG_CANCELLED;
-    
-    unblock_timer();
-
-    return 0;
-}
-
-static void check_timer()
-{
-    struct itimerval itimer;
-    
-    getitimer(ITIMER_REAL, &itimer);
-    if (timerisset(&itimer.it_interval)) {
-	TIMERDBG("ERROR timer interval is set.");
-    }
-    if (timercmp(&(itimer.it_value), &(event_queue->it_value), >)) {
-	TIMERDBG("ERROR timer expires later than top event.");
-    }
-}
-
-
-static void check_event_queue()
-{
-    struct timeval sum;
-    struct event *event;
-    int i = 0;
-
-#ifdef notdef
-    int nfree = 0;
-    struct event *p;
-    for (p = event_freelist; p; p = p->next)
-	nfree++;
-    printf("%d free events\n", nfree);
-#endif
-    
-    timerclear(&sum);
-    for (event = event_queue; event; event = event->next) {
-	if (i > g_maxevents) {
-	    TIMERDBG("timer queue looks like it loops back on itself!");
-	    print_event_queue();
-	    exit(1);
-	}
-	i++;
-    }
-}
-
-#if THIS_FINDS_USE
-/* The original upnp version has this unused function, so I left it in
-   to maintain the resemblance. */
-static int count_queue(struct event *event_queue)
-{
-    struct event *event;
-    int i = 0;
-    for (event = event_queue; event; event = event->next) 
-	i++;
-    return i;
-}
-#endif
-
-static void print_event_queue()
-{
-    struct event *event;
-    int i = 0;
-
-    for (event = event_queue; event; event = event->next) {
-	printf("#%d (0x%x)->0x%x: \t%d sec %d usec\t%p\n", 
-	       i++, (unsigned int) event, (unsigned int) event->next, (int) event->it_value.tv_sec, (int) event->it_value.tv_usec, event->func);
-	if (i > g_maxevents) {
-	    printf("...(giving up)\n");
-	    break;
-	}
-    }
-}
-
-// The top element of the event queue must have expired.
-// Remove that element, run its function, and reset the timer.
-// if there is no interval, recycle the event structure.
-static void alarm_handler(int i)
-{
-    struct event *event, **ppevent;
-    struct itimerval itimer;
-    struct timeval small_interval = { 0, g_granularity/2 };
-#ifdef TIMER_PROFILE
-    uint junk;
-    uclock_t end;
-    uint actual;
-#endif
-
-    block_timer();
-
-    // Loop through the event queue and remove the first event plus any 
-    // subsequent events that will expire very soon thereafter (within 'small_interval'}.
-    //
-    do {
-	// remove the top event.
-	event = event_queue;
-	event_queue = event_queue->next;
-	event->next = NULL;
-
-#ifdef TIMER_PROFILE
-	end = uclock();
-	actual = ((end-event->start)/((uclock_t)UCLOCKS_PER_SEC/1000));
-	if (actual < 0)
-	    junk = end;
-	TIMERDBG("expected %d ms  actual %d ms", event->expected_ms, ((end-event->start)/((uclock_t)UCLOCKS_PER_SEC/1000)));
-#endif
-	
-	    // call the event callback function
-	    (*(event->func))((timer_t) event, (int)event->arg);
-
-	/* If the event has been cancelled, do NOT put it back on the queue. */
-	if ( !(event->flags & TFLAG_CANCELLED) ) {
-
-	    // if the event is a recurring event, reset the timer and
-	    // find its correct place in the sorted list of events.
-	    //
-	    if (timerisset(&event->it_interval)) {
-		// event is recurring...
-		//
-		event->it_value = event->it_interval;
-#ifdef TIMER_PROFILE
-		event->expected_ms = (event->it_value.tv_sec * MS_PER_SEC) + (event->it_value.tv_usec / US_PER_MS);
-		event->start = uclock();
-#endif
-		timerroundup(&event->it_value, g_granularity);
-
-		// Now, march down the list, decrementing the new timer by the
-		// current delta of each event on the queue.
-		ppevent = &event_queue;
-		while (*ppevent) {
-		    if ( timercmp(&(event->it_value), &((*ppevent)->it_value), <) ) {
-			// if the proposed event will trigger sooner than the next event
-			// in the queue, we will insert the new event just before the next one.
-			//
-			// we also need to adjust the delta value to the next event.
-			timersub(&((*ppevent)->it_value), &(event->it_value), &((*ppevent)->it_value));
-			break;
-		    }
-		    timersub(&(event->it_value), &((*ppevent)->it_value), &(event->it_value));
-		    ppevent = &((*ppevent)->next);
-		}
-
-		// we have found our proper place in the queue, 
-		// link our new event into the pending event queue.
-		event->next = *ppevent;
-		*ppevent = event;
-	    } else {
-		// there is no interval, so recycle the event structure.
-		//timer_delete((timer_t) event);
-	    }
-	}
-
-	check_event_queue();
-	
-    } while (event_queue && timercmp(&event_queue->it_value, &small_interval, <));
-    
-    // re-issue the timer...
-    if (event_queue) {
-	timerroundup(&event_queue->it_value, g_granularity);
-
-	timerclear(&itimer.it_interval);
-	itimer.it_value = event_queue->it_value;
-	// we want to be sure to never turn off the timer completely, 
-	// so if the next interval is zero, set it to some small value.
-	if (!timerisset(&(itimer.it_value)))
-	    itimer.it_value = (struct timeval) { 0, 1 };
-
-	setitimer(ITIMER_REAL, &itimer, NULL);
-	check_timer();
-    } else {
-	TIMERDBG("There are no events in the queue - timer not reset.");
-    }
-
-    unblock_timer();
-}
-
-static int block_count = 0;
-
-void block_timer()
-{
-    sigset_t set;
-
-    if (block_count++ == 0) {
-	sigemptyset(&set);
-	sigaddset(&set, SIGALRM);
-	sigprocmask(SIG_BLOCK, &set, NULL);
-    }
-}
-
-void unblock_timer()
-{
-    sigset_t set;
-
-    if (--block_count == 0) {
-	sigemptyset(&set);
-	sigaddset(&set, SIGALRM);
-	sigprocmask(SIG_UNBLOCK, &set, NULL);
-    }
-}
-
-void timer_cancel_all()
-{
-    struct itimerval timeroff = { { 0, 0 }, { 0, 0} };
-    struct event *event;
-    struct event **ppevent;
-
-    setitimer(ITIMER_REAL, &timeroff, NULL);
-
-    ppevent = &event_queue;
-    while (*ppevent) {
-	event = *ppevent;
-	*ppevent = event->next;
-	event->next = NULL;
-    }
-}
-
-
-
-void timer_cancel(timer_t timerid)
-{
-    struct itimerval itimer;
-    struct itimerval timeroff = { { 0, 0 }, { 0, 0} };
-    struct event *event = (struct event *) timerid;
-    struct event **ppevent;
-
-    if (event->flags & TFLAG_CANCELLED) {
-	TIMERDBG("Cannot cancel a cancelled event");
-    	return;
-    }
-
-    block_timer();
-    
-    ppevent = &event_queue;
-    while (*ppevent) {
-	if ( *ppevent == event ) {
-
-	    /* RACE CONDITION - if the alarm goes off while we are in
-	       this loop, and if the timer we want to cancel is the
-	       next to expire, the alarm will end up firing
-	       after this routine is complete, causing it to go off early. */
-
-	    /* If the cancelled timer is the next to expire, 
-	       we need to do something special to clean up correctly. */
-	    if (event == event_queue && event->next != NULL) {
-		timerclear(&itimer.it_value);
-		getitimer(ITIMER_REAL, &itimer);
-		
-		/* subtract the time that has already passed while waiting for this timer... */
-		timersub(&(event->it_value), &(itimer.it_value), &(event->it_value));
-
-		/* and add any remainder to the next timer in the list */
-		timeradd(&(event->next->it_value), &(event->it_value), &(event->next->it_value));
-	    }
-
-	    *ppevent = event->next;
-	    event->next = NULL;
-
-	    if (event_queue) {
-		timerroundup(&event_queue->it_value, g_granularity);
-		timerclear(&itimer.it_interval);
-		itimer.it_value = event_queue->it_value;
-		
-		/* We want to be sure to never turn off the timer
-		   completely if there are more events on the queue,
-		   so if the next interval is zero, set it to some
-		   small value.  */
-
-		if (!timerisset(&(itimer.it_value)))
-		    itimer.it_value = (struct timeval) { 0, 1 };
-		
-		assert(itimer.it_value.tv_sec > 0 || itimer.it_value.tv_usec >= g_granularity);
-		assert(event_queue->it_value.tv_sec > 0 || event_queue->it_value.tv_usec >= g_granularity);
-		setitimer(ITIMER_REAL, &itimer, NULL);
-		check_timer();
-	    } else {
-		setitimer(ITIMER_REAL, &timeroff, NULL);
-	    }
-	    break;
-	}
-	ppevent = &((*ppevent)->next);
-    }
-
-    event->flags |= TFLAG_CANCELLED;
-
-    unblock_timer();
-}
-
-/*
-* timer related headers
-*/
-#include "bcmtimer.h"
-
-/*
-* locally used global variables and constants
-*/
-
-/*
-* Initialize internal resources used in the timer module. It must be called
-* before any other timer function calls. The param 'timer_entries' is used
-* to pre-allocate fixed number of timer entries.
-*/
-int bcm_timer_module_init(int timer_entries, bcm_timer_module_id *module_id)
-{
-	init_event_queue(timer_entries);
-	*module_id = (bcm_timer_module_id)event_freelist;
-	return 0;
-}
-
-/*
-* Cleanup internal resources used by this timer module. It deletes all
-* pending timer entries from the backend timer system as well.
-*/
-int bcm_timer_module_cleanup(bcm_timer_module_id module_id)
-{
-	module_id = 0;
-	return 0;
-}
-
-/* Enable/Disable timer module */
-int bcm_timer_module_enable(bcm_timer_module_id module_id, int enable)
-{
-	if (enable)
-		unblock_timer();
-	else
-		block_timer();
-	return 0;
-}
-
-int bcm_timer_create(bcm_timer_module_id module_id, bcm_timer_id *timer_id)
-{
-	module_id = 0;
-	return timer_create(CLOCK_REALTIME, NULL, (timer_t *)timer_id);
-}
-
-int bcm_timer_delete(bcm_timer_id timer_id)
-{
-	return timer_delete((timer_t)timer_id);
-}
-
-int bcm_timer_gettime(bcm_timer_id timer_id, struct itimerspec *timer_spec)
-{
-	return -1;
-}
-
-int bcm_timer_settime(bcm_timer_id timer_id, const struct itimerspec *timer_spec)
-{
-	return timer_settime((timer_t)timer_id, 0, timer_spec, NULL);
-}
-
-int bcm_timer_connect(bcm_timer_id timer_id, bcm_timer_cb func, int data)
-{
-	return timer_connect((timer_t)timer_id, (void *)func, data);
-}
-
-int bcm_timer_cancel(bcm_timer_id timer_id)
-{
-	timer_cancel((timer_t)timer_id);
-	return 0;
-}
-int bcm_timer_change_expirytime(bcm_timer_id timer_id, const struct itimerspec *timer_spec)
-{
-	timer_change_settime((timer_t)timer_id, timer_spec);
-	return 1;
-}