C++ (Cpp) CTFPOOLPTR Examples

Example #1

File: linux_osl.c Project: RCISC/asuswrt-merlin

/*
 * Allocate and add an object to packet pool.
 */
void *
osl_ctfpool_add(osl_t *osh)
{
	struct sk_buff *skb;
#ifdef CTFPOOL_SPINLOCK
	unsigned long flags;
#endif /* CTFPOOL_SPINLOCK */

	if ((osh == NULL) || (osh->ctfpool == NULL))
		return NULL;

	CTFPOOL_LOCK(osh->ctfpool, flags);
	ASSERT(osh->ctfpool->curr_obj <= osh->ctfpool->max_obj);

	/* No need to allocate more objects */
	if (osh->ctfpool->curr_obj == osh->ctfpool->max_obj) {
		CTFPOOL_UNLOCK(osh->ctfpool, flags);
		return NULL;
	}

	/* Allocate a new skb and add it to the ctfpool */
	skb = osl_alloc_skb(osh->ctfpool->obj_size);
	if (skb == NULL) {
		printf("%s: skb alloc of len %d failed\n", __FUNCTION__,
		       osh->ctfpool->obj_size);
		CTFPOOL_UNLOCK(osh->ctfpool, flags);
		return NULL;
	}

	/* Add to ctfpool */
	skb->next = (struct sk_buff *)osh->ctfpool->head;
	osh->ctfpool->head = skb;
	osh->ctfpool->fast_frees++;
	osh->ctfpool->curr_obj++;

	/* Hijack a skb member to store ptr to ctfpool */
	CTFPOOLPTR(osh, skb) = (void *)osh->ctfpool;

	/* Use bit flag to indicate skb from fast ctfpool */
	PKTFAST(osh, skb) = FASTBUF;

	CTFPOOL_UNLOCK(osh->ctfpool, flags);

	return skb;
}

Example #2

File: linux_osl.c Project: andr00ib/3.0.94-victor-kernel

void *
osl_ctfpool_add(osl_t *osh)
{
	struct sk_buff *skb;
#ifdef CTFPOOL_SPINLOCK
	unsigned long flags;
#endif 

	if ((osh == NULL) || (osh->ctfpool == NULL))
		return NULL;

	CTFPOOL_LOCK(osh->ctfpool, flags);
	ASSERT(osh->ctfpool->curr_obj <= osh->ctfpool->max_obj);

	
	if (osh->ctfpool->curr_obj == osh->ctfpool->max_obj) {
		CTFPOOL_UNLOCK(osh->ctfpool, flags);
		return NULL;
	}

	
	skb = osl_alloc_skb(osh->ctfpool->obj_size);
	if (skb == NULL) {
		printf("%s: skb alloc of len %d failed\n", __FUNCTION__,
		       osh->ctfpool->obj_size);
		CTFPOOL_UNLOCK(osh->ctfpool, flags);
		return NULL;
	}

	
	skb->next = (struct sk_buff *)osh->ctfpool->head;
	osh->ctfpool->head = skb;
	osh->ctfpool->fast_frees++;
	osh->ctfpool->curr_obj++;

	
	CTFPOOLPTR(osh, skb) = (void *)osh->ctfpool;

	
	PKTFAST(osh, skb) = FASTBUF;

	CTFPOOL_UNLOCK(osh->ctfpool, flags);

	return skb;
}

Example #3

File: linux_osl.c Project: LGaljo/android_kernel_samsung_s3ve3g

void *
osl_pktdup(osl_t *osh, void *skb)
{
	void * p;

	ASSERT(!PKTISCHAINED(skb));

	
	PKTCTFMAP(osh, skb);

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36)
	if ((p = pskb_copy((struct sk_buff *)skb, GFP_ATOMIC)) == NULL)
#else
	if ((p = skb_clone((struct sk_buff *)skb, GFP_ATOMIC)) == NULL)
#endif
		return NULL;

#ifdef CTFPOOL
	if (PKTISFAST(osh, skb)) {
		ctfpool_t *ctfpool;

		
		ctfpool = (ctfpool_t *)CTFPOOLPTR(osh, skb);
		ASSERT(ctfpool != NULL);
		PKTCLRFAST(osh, p);
		PKTCLRFAST(osh, skb);
		ctfpool->refills++;
	}
#endif 

	
	PKTSETCLINK(p, NULL);
	PKTCCLRFLAGS(p);
	PKTCSETCNT(p, 1);
	PKTCSETLEN(p, PKTLEN(osh, skb));

	
	if (osh->pub.pkttag)
		OSL_PKTTAG_CLEAR(p);

	
	atomic_inc(&osh->pktalloced);
	return (p);
}

Example #4

File: linux_osl.c Project: jbaldus/android_kernel_a100

void *
osl_ctfpool_add(osl_t *osh)
{
    struct sk_buff *skb;

    if ((osh == NULL) || (osh->ctfpool == NULL))
        return NULL;

    spin_lock_bh(&osh->ctfpool->lock);
    ASSERT(osh->ctfpool->curr_obj <= osh->ctfpool->max_obj);


    if (osh->ctfpool->curr_obj == osh->ctfpool->max_obj) {
        spin_unlock_bh(&osh->ctfpool->lock);
        return NULL;
    }


    skb = osl_alloc_skb(osh->ctfpool->obj_size);
    if (skb == NULL) {
        printf("%s:
        skb alloc of len %d failed\n", __FUNCTION__,
        osh->ctfpool->obj_size);
        spin_unlock_bh(&osh->ctfpool->lock);
        return NULL;
    }


    skb->next = (struct sk_buff *)osh->ctfpool->head;
    osh->ctfpool->head = skb;
    osh->ctfpool->fast_frees++;
    osh->ctfpool->curr_obj++;


    CTFPOOLPTR(osh, skb) = (void *)osh->ctfpool;


    PKTFAST(osh, skb) = FASTBUF;

    spin_unlock_bh(&osh->ctfpool->lock);

    return skb;
}

Example #5

File: linux_osl.c Project: Jb2005/SamSung-Galaxy-Tab-10.1-Model-GT-P7510

/*
 * Allocate and add an object to packet pool.
 */
void *
osl_ctfpool_add(osl_t *osh)
{
	struct sk_buff *skb;

	if ((osh == NULL) || (osh->ctfpool == NULL))
		return NULL;

	spin_lock_bh(&osh->ctfpool->lock);
	ASSERT(osh->ctfpool->curr_obj <= osh->ctfpool->max_obj);

	/* No need to allocate more objects */
	if (osh->ctfpool->curr_obj == osh->ctfpool->max_obj) {
		spin_unlock_bh(&osh->ctfpool->lock);
		return NULL;
	}

	/* Allocate a new skb and add it to the ctfpool */
	skb = dev_alloc_skb(osh->ctfpool->obj_size);
	if (skb == NULL) {
		OSL_MSG_ERROR(("%s: skb alloc of len %d failed\n", __FUNCTION__,
		       osh->ctfpool->obj_size));
		spin_unlock_bh(&osh->ctfpool->lock);
		return NULL;
	}

	/* Add to ctfpool */
	skb->next = (struct sk_buff *)osh->ctfpool->head;
	osh->ctfpool->head = skb;
	osh->ctfpool->fast_frees++;
	osh->ctfpool->curr_obj++;

	/* Hijack a skb member to store ptr to ctfpool */
	CTFPOOLPTR(osh, skb) = (void *)osh->ctfpool;

	/* Use bit flag to indicate skb from fast ctfpool */
	PKTFAST(osh, skb) = FASTBUF;

	spin_unlock_bh(&osh->ctfpool->lock);

	return skb;
}

Example #6

File: linux_osl.c Project: openube/android_kernel_sony_c2305

void *
osl_pktdup(osl_t *osh, void *skb)
{
	void * p;
	unsigned long irqflags;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25))
	gfp_t flags;
#endif

	PKTCTFMAP(osh, skb);

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 25))
	flags = (in_atomic()) ? GFP_ATOMIC : GFP_KERNEL;
	if ((p = skb_clone((struct sk_buff *)skb, flags)) == NULL)
#else
	if ((p = skb_clone((struct sk_buff*)skb, GFP_ATOMIC)) == NULL)
#endif 
		return NULL;

#ifdef CTFPOOL
	if (PKTISFAST(osh, skb)) {
		ctfpool_t *ctfpool;

		
		ctfpool = (ctfpool_t *)CTFPOOLPTR(osh, skb);
		ASSERT(ctfpool != NULL);
		PKTCLRFAST(osh, p);
		PKTCLRFAST(osh, skb);
		ctfpool->refills++;
	}
#endif 

	
	if (osh->pub.pkttag)
		bzero((void*)((struct sk_buff *)p)->cb, OSL_PKTTAG_SZ);

	
	spin_lock_irqsave(&osh->pktalloc_lock, irqflags);
	osh->pub.pktalloced++;
	spin_unlock_irqrestore(&osh->pktalloc_lock, irqflags);
	return (p);
}

Example #7

File: linux_osl.c Project: RCISC/asuswrt-merlin

/* Clone a packet.
 * The pkttag contents are NOT cloned.
 */
void *
osl_pktdup(osl_t *osh, void *skb)
{
	void * p;

	ASSERT(!PKTISCHAINED(skb));

	/* clear the CTFBUF flag if set and map the rest of the buffer
	 * before cloning.
	 */
	PKTCTFMAP(osh, skb);

	if ((p = skb_clone((struct sk_buff *)skb, GFP_ATOMIC)) == NULL)
		return NULL;

#ifdef CTFPOOL
	if (PKTISFAST(osh, skb)) {
		ctfpool_t *ctfpool;

		/* if the buffer allocated from ctfpool is cloned then
		 * we can't be sure when it will be freed. since there
		 * is a chance that we will be losing a buffer
		 * from our pool, we increment the refill count for the
		 * object to be alloced later.
		 */
		ctfpool = (ctfpool_t *)CTFPOOLPTR(osh, skb);
		ASSERT(ctfpool != NULL);
		PKTCLRFAST(osh, p);
		PKTCLRFAST(osh, skb);
		ctfpool->refills++;
	}
#endif /* CTFPOOL */

	/* skb_clone copies skb->cb.. we don't want that */
	if (osh->pub.pkttag)
		OSL_PKTTAG_CLEAR(p);

	/* Increment the packet counter */
	atomic_inc(&osh->pktalloced);
	return (p);
}

Example #8

void *
osl_pktdup(osl_t *osh, void *skb)
{
	void * p;

	ASSERT(!PKTISCHAINED(skb));


	PKTCTFMAP(osh, skb);

	if ((p = skb_clone((struct sk_buff *)skb, GFP_ATOMIC)) == NULL)
		return NULL;

#ifdef CTFPOOL
	if (PKTISFAST(osh, skb)) {
		ctfpool_t *ctfpool;


		ctfpool = (ctfpool_t *)CTFPOOLPTR(osh, skb);
		ASSERT(ctfpool != NULL);
		PKTCLRFAST(osh, p);
		PKTCLRFAST(osh, skb);
		ctfpool->refills++;
	}
#endif


	PKTSETCLINK(p, NULL);
	PKTCCLRATTR(p);


	if (osh->pub.pkttag)
		OSL_PKTTAG_CLEAR(p);


	atomic_inc(&osh->pktalloced);
	return (p);
}

Example #9

File: linux_osl.c Project: LGaljo/android_kernel_samsung_s3ve3g

void * BCMFASTPATH
osl_pktget(osl_t *osh, uint len)
{
	struct sk_buff *skb;

#ifdef CTFPOOL
	
	skb = osl_pktfastget(osh, len);
	if ((skb != NULL) || ((skb = osl_alloc_skb(osh, len)) != NULL)) {
#else 
	if ((skb = osl_alloc_skb(osh, len))) {
#endif 
		skb->tail += len;
		skb->len  += len;
		skb->priority = 0;

		atomic_inc(&osh->pktalloced);
	}

	return ((void*) skb);
}

#ifdef CTFPOOL
static inline void
osl_pktfastfree(osl_t *osh, struct sk_buff *skb)
{
	ctfpool_t *ctfpool;
#ifdef CTFPOOL_SPINLOCK
	unsigned long flags;
#endif 

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 14)
	skb->tstamp.tv.sec = 0;
#else
	skb->stamp.tv_sec = 0;
#endif

	
	skb->dev = NULL;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36)
	skb->dst = NULL;
#endif
	OSL_PKTTAG_CLEAR(skb);
	skb->ip_summed = 0;

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36)
	skb_orphan(skb);
#else
	skb->destructor = NULL;
#endif

	ctfpool = (ctfpool_t *)CTFPOOLPTR(osh, skb);
	ASSERT(ctfpool != NULL);

	
	CTFPOOL_LOCK(ctfpool, flags);
	skb->next = (struct sk_buff *)ctfpool->head;
	ctfpool->head = (void *)skb;

	ctfpool->fast_frees++;
	ctfpool->curr_obj++;

	ASSERT(ctfpool->curr_obj <= ctfpool->max_obj);
	CTFPOOL_UNLOCK(ctfpool, flags);
}

Example #10

File: linux_osl.c Project: birey/android_kernel_samsung_kyleproxx

void * BCMFASTPATH
osl_pktget(osl_t *osh, uint len)
{
	struct sk_buff *skb;
	unsigned long flags;

#ifdef CTFPOOL
	
	skb = osl_pktfastget(osh, len);
	if ((skb != NULL) || ((skb = osl_alloc_skb(len)) != NULL)) {
#else 
	if ((skb = osl_alloc_skb(len))) {
#endif 
		skb_put(skb, len);
		skb->priority = 0;


		spin_lock_irqsave(&osh->pktalloc_lock, flags);
		osh->pub.pktalloced++;
		spin_unlock_irqrestore(&osh->pktalloc_lock, flags);
	}

	return ((void*) skb);
}

#ifdef CTFPOOL
static inline void
osl_pktfastfree(osl_t *osh, struct sk_buff *skb)
{
	ctfpool_t *ctfpool;
#ifdef CTFPOOL_SPINLOCK
	unsigned long flags;
#endif 

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 14)
	skb->tstamp.tv.sec = 0;
#else
	skb->stamp.tv_sec = 0;
#endif

	
	skb->dev = NULL;
	skb->dst = NULL;
	memset(skb->cb, 0, sizeof(skb->cb));
	skb->ip_summed = 0;
	skb->destructor = NULL;

	ctfpool = (ctfpool_t *)CTFPOOLPTR(osh, skb);
	ASSERT(ctfpool != NULL);

	
	CTFPOOL_LOCK(ctfpool, flags);
	skb->next = (struct sk_buff *)ctfpool->head;
	ctfpool->head = (void *)skb;

	ctfpool->fast_frees++;
	ctfpool->curr_obj++;

	ASSERT(ctfpool->curr_obj <= ctfpool->max_obj);
	CTFPOOL_UNLOCK(ctfpool, flags);
}

Example #11

File: linux_osl.c Project: RCISC/asuswrt-merlin

/* Return a new packet. zero out pkttag */
void * BCMFASTPATH
osl_pktget(osl_t *osh, uint len)
{
	struct sk_buff *skb;

#ifdef CTFPOOL
	/* Allocate from local pool */
	skb = osl_pktfastget(osh, len);
	if ((skb != NULL) || ((skb = osl_alloc_skb(len)) != NULL)) {
#else /* CTFPOOL */
	if ((skb = osl_alloc_skb(len))) {
#endif /* CTFPOOL */
		skb_put(skb, len);
		skb->priority = 0;

		atomic_inc(&osh->pktalloced);
	}

	return ((void*) skb);
}

#ifdef CTFPOOL
static inline void
osl_pktfastfree(osl_t *osh, struct sk_buff *skb)
{
	ctfpool_t *ctfpool;
#ifdef CTFPOOL_SPINLOCK
	unsigned long flags;
#endif /* CTFPOOL_SPINLOCK */

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 14)
	skb->tstamp.tv64 = 0;
#else
	skb->stamp.tv_sec = 0;
#endif

	/* We only need to init the fields that we change */
	skb->dev = NULL;
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36)
	skb->dst = NULL;
#endif
	OSL_PKTTAG_CLEAR(skb);
	skb->ip_summed = 0;

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36)
	skb_orphan(skb);
#else
	skb->destructor = NULL;
#endif

	ctfpool = (ctfpool_t *)CTFPOOLPTR(osh, skb);
//	ASSERT(ctfpool != NULL);
	if (ctfpool == NULL) return;

	/* Add object to the ctfpool */
	CTFPOOL_LOCK(ctfpool, flags);
	skb->next = (struct sk_buff *)ctfpool->head;
	ctfpool->head = (void *)skb;

	ctfpool->fast_frees++;
	ctfpool->curr_obj++;

	ASSERT(ctfpool->curr_obj <= ctfpool->max_obj);
	CTFPOOL_UNLOCK(ctfpool, flags);
}