C++ (Cpp) osl_pktgetの例

コード例 #1

ファイル: linux_osl.c プロジェクト: emreharbutoglu/at1-S0834211

void*
osl_pktget_static(osl_t *osh, uint len)
{
    int i = 0;
    struct sk_buff *skb;


    if (len > (PAGE_SIZE*2))
    {
        printk("Do we really need this big skb??\n");
        return osl_pktget(osh, len);
    }


    down(&bcm_static_skb->osl_pkt_sem);
    if (len <= PAGE_SIZE)
    {

        for (i = 0; i < MAX_STATIC_PKT_NUM; i++)
        {
            if (bcm_static_skb->pkt_use[i] == 0)
                break;
        }

        if (i != MAX_STATIC_PKT_NUM)
        {
            bcm_static_skb->pkt_use[i] = 1;
            up(&bcm_static_skb->osl_pkt_sem);

            skb = bcm_static_skb->skb_4k[i];
            skb->tail = skb->data + len;
            skb->len = len;

            return skb;
        }
    }


    for (i = 0; i < MAX_STATIC_PKT_NUM; i++)
    {
        if (bcm_static_skb->pkt_use[i+MAX_STATIC_PKT_NUM] == 0)
            break;
    }

    if (i != MAX_STATIC_PKT_NUM)
    {
        bcm_static_skb->pkt_use[i+MAX_STATIC_PKT_NUM] = 1;
        up(&bcm_static_skb->osl_pkt_sem);
        skb = bcm_static_skb->skb_8k[i];
        skb->tail = skb->data + len;
        skb->len = len;

        return skb;
    }


    up(&bcm_static_skb->osl_pkt_sem);
    printk("all static pkt in use!\n");
    return osl_pktget(osh, len);
}

コード例 #2

void*
osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;

	if (len > (PAGE_SIZE*2)) {
#ifdef USE_LOGGING_WHEN_HUGE_PACKET 
		printk("%s: attempt to allocate huge packet (0x%x)\n", __FUNCTION__, len);
#endif
		return osl_pktget(osh, len);
	}

	down(&bcm_static_skb->osl_pkt_sem);

	if (len <= PAGE_SIZE) {
		for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != STATIC_PKT_MAX_NUM) {
			bcm_static_skb->pkt_use[i] = 1;
			up(&bcm_static_skb->osl_pkt_sem);
			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;
			return skb;
		}
	}


	for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
		if (bcm_static_skb->pkt_use[i+STATIC_PKT_MAX_NUM] == 0)
			break;
	}

	if (i != STATIC_PKT_MAX_NUM) {
		bcm_static_skb->pkt_use[i+STATIC_PKT_MAX_NUM] = 1;
		up(&bcm_static_skb->osl_pkt_sem);
		skb = bcm_static_skb->skb_8k[i];
		skb->tail = skb->data + len;
		skb->len = len;
		return skb;
	}

	up(&bcm_static_skb->osl_pkt_sem);
	printk("%s: all static pkt in use!\n", __FUNCTION__);
	return osl_pktget(osh, len);
}

コード例 #3

ファイル: linux_osl.c プロジェクト: brucook/kernel-android-galaxy-s2-ics

void BCMFASTPATH
osl_pktfree(osl_t *osh, void *p, bool send)
{
    struct sk_buff *skb, *nskb;
    unsigned long flags;

    skb = (struct sk_buff*) p;

    if (send && osh->pub.tx_fn)
        osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);

    PKTDBG_TRACE(osh, (void *) skb, PKTLIST_PKTFREE);


    while (skb) {
        nskb = skb->next;
        skb->next = NULL;



#ifdef CTFPOOL
        if ((PKTISFAST(osh, skb)) && (atomic_read(&skb->users) == 1))
            osl_pktfastfree(osh, skb);
        else {
#else
        {
#endif

            if (skb->destructor)

                dev_kfree_skb_any(skb);
            else

                dev_kfree_skb(skb);
        }
        spin_lock_irqsave(&osh->pktalloc_lock, flags);
        osh->pub.pktalloced--;
        spin_unlock_irqrestore(&osh->pktalloc_lock, flags);
        skb = nskb;
    }
}

#ifdef CONFIG_DHD_USE_STATIC_BUF
#ifdef CUSTOMER_HW_SAMSUNG
void*
osl_pktget_static(osl_t *osh, uint len)
{
    int i = 0;
    struct sk_buff *skb;


    if (len > DHD_SKB_4PAGE_BUFSIZE) {
        printk("osl_pktget_static:
        Do we really need this big skb??"
        " len=%d\n", len);
        return osl_pktget(osh, len);
    }

コード例 #4

ファイル: linux_osl.c プロジェクト: jbaldus/android_kernel_a100

void BCMFASTPATH
osl_pktfree(osl_t *osh, void *p, bool send)
{
    struct sk_buff *skb, *nskb;

    skb = (struct sk_buff*) p;

    if (send && osh->pub.tx_fn)
        osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);


    while (skb) {
        nskb = skb->next;
        skb->next = NULL;


#ifdef CTFPOOL
        if (PKTISFAST(osh, skb))
            osl_pktfastfree(osh, skb);
        else {
#else 
        {
#endif 

            if (skb->destructor)

                dev_kfree_skb_any(skb);
            else

                dev_kfree_skb(skb);
        }

        osh->pub.pktalloced--;

        skb = nskb;
    }
}

#ifdef DHD_USE_STATIC_BUF
void *
osl_pktget_static(osl_t *osh, uint len)
{
    int i;
    struct sk_buff *skb;

    if (len > (PAGE_SIZE * 2)) {
        printf("%s:
        attempt to allocate huge packet (0x%x)\n", __FUNCTION__, len);
        return osl_pktget(osh, len);
    }

コード例 #5

ファイル: linux_osl.c プロジェクト: HONO/Bell_V20f_kernel_mod

/* Free the driver packet. Free the tag if present */
void BCMFASTPATH
osl_pktfree(osl_t *osh, void *p, bool send)
{
	struct sk_buff *skb, *nskb;

	skb = (struct sk_buff*) p;

	if (send && osh->pub.tx_fn)
		osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);

	/* perversion: we use skb->next to chain multi-skb packets */
	while (skb) {
		nskb = skb->next;
		skb->next = NULL;


#ifdef CTFPOOL
		if (PKTISFAST(osh, skb))
			osl_pktfastfree(osh, skb);
		else {
#else /* CTFPOOL */
		{
#endif /* CTFPOOL */

			if (skb->destructor)
				/* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if
				 * destructor exists
				 */
				dev_kfree_skb_any(skb);
			else
				/* can free immediately (even in_irq()) if destructor
				 * does not exist
				 */
				dev_kfree_skb(skb);
		}

		osh->pub.pktalloced--;

		skb = nskb;
	}
}

#ifdef DHD_USE_STATIC_BUF
void*
osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;


	if (len > (PAGE_SIZE*2))
	{
		printk("Do we really need this big skb??\n");
		return osl_pktget(osh, len);
	}


	down(&bcm_static_skb->osl_pkt_sem);
	if (len <= PAGE_SIZE)
	{

		for (i = 0; i < MAX_STATIC_PKT_NUM; i++)
		{
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != MAX_STATIC_PKT_NUM)
		{
			bcm_static_skb->pkt_use[i] = 1;
			up(&bcm_static_skb->osl_pkt_sem);

			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;

			return skb;
		}
	}


	for (i = 0; i < MAX_STATIC_PKT_NUM; i++)
	{
		if (bcm_static_skb->pkt_use[i+MAX_STATIC_PKT_NUM] == 0)
			break;
	}

	if (i != MAX_STATIC_PKT_NUM)
	{
		bcm_static_skb->pkt_use[i+MAX_STATIC_PKT_NUM] = 1;
		up(&bcm_static_skb->osl_pkt_sem);
		skb = bcm_static_skb->skb_8k[i];
		skb->tail = skb->data + len;
		skb->len = len;

		return skb;
	}


	up(&bcm_static_skb->osl_pkt_sem);
	printk("all static pkt in use!\n");
	return osl_pktget(osh, len);
}

コード例 #6

void BCMFASTPATH
osl_pktfree(osl_t *osh, void *p, bool send)
{
	struct sk_buff *skb, *nskb;

	skb = (struct sk_buff*) p;

	if (send && osh->pub.tx_fn)
		osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);

	
	while (skb) {
		nskb = skb->next;
		skb->next = NULL;


#ifdef CTFPOOL
		if (PKTISFAST(osh, skb))
			osl_pktfastfree(osh, skb);
		else {
#else 
		{
#endif 

			if (skb->destructor)
				
				dev_kfree_skb_any(skb);
			else
				
				dev_kfree_skb(skb);
		}

		osh->pub.pktalloced--;

		skb = nskb;
	}
}

#ifdef DHD_USE_STATIC_BUF
void *
osl_pktget_static(osl_t *osh, uint len)
{
	int i;
	struct sk_buff *skb;

	/*static buf is 32k, then must be set (PAGE_SIZE * 8 = 32k) */
	if (len > (PAGE_SIZE * 8)) {
		printk("%s: attempt to allocate huge packet (0x%x)\n", __FUNCTION__, len);
		return osl_pktget(osh, len);
	}

	down(&bcm_static_skb->osl_pkt_sem);

	if (len <= PAGE_SIZE) {
		for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != STATIC_PKT_MAX_NUM) {
			bcm_static_skb->pkt_use[i] = 1;
			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;
			up(&bcm_static_skb->osl_pkt_sem);
			return skb;
		}
	}


	for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
		if (bcm_static_skb->pkt_use[i+STATIC_PKT_MAX_NUM] == 0)
			break;
	}

	if (i != STATIC_PKT_MAX_NUM) {
		bcm_static_skb->pkt_use[i+STATIC_PKT_MAX_NUM] = 1;
		skb = bcm_static_skb->skb_32k[i];
		skb->tail = skb->data + len;
		skb->len = len;
		up(&bcm_static_skb->osl_pkt_sem);
		return skb;
	}

	up(&bcm_static_skb->osl_pkt_sem);
	printk("%s: all static pkt in use!\n", __FUNCTION__);
	return osl_pktget(osh, len);
}

コード例 #7

ファイル: linux_osl.c プロジェクト: Banjo0917/I5700-modules-2.6.32.9

void*
osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;

	
	if (len > DHD_SKB_4PAGE_BUFSIZE)
	{
		OSL_MSG_ERROR(("osl_pktget_static: Do we really need this big skb?? len=%d\n", len));
		return osl_pktget_kernel(osh, len);
	}

	
	down(&bcm_static_skb->osl_pkt_sem);
	if (len <= DHD_SKB_1PAGE_BUFSIZE)
	{
		
		for (i = 0; i < MAX_STATIC_PKT_NUM; i++)
		{
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != MAX_STATIC_PKT_NUM)
		{
			bcm_static_skb->pkt_use[i] = 1;
			up(&bcm_static_skb->osl_pkt_sem);

			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;
			
			return skb;
		}
	}

	if (len <= DHD_SKB_2PAGE_BUFSIZE) 
	{
		for (i = 0; i < MAX_STATIC_PKT_NUM; i++)
		{
			if (bcm_static_skb->pkt_use[i+MAX_STATIC_PKT_NUM] == 0)
				break;
		}

		if (i != MAX_STATIC_PKT_NUM)
		{
			bcm_static_skb->pkt_use[i+MAX_STATIC_PKT_NUM] = 1;
			up(&bcm_static_skb->osl_pkt_sem);
			skb = bcm_static_skb->skb_8k[i];
			skb->tail = skb->data + len;
			skb->len = len;
			
			return skb;
		}
	}

	if (bcm_static_skb->pkt_use[MAX_STATIC_PKT_NUM*2] == 0) 
	{
		bcm_static_skb->pkt_use[MAX_STATIC_PKT_NUM*2] = 1;
		up(&bcm_static_skb->osl_pkt_sem);

		skb = bcm_static_skb->skb_16k;
		skb->tail = skb->data + len;
		skb->len = len;

		return skb;
	}
	
	up(&bcm_static_skb->osl_pkt_sem);
	OSL_MSG_ERROR(("osl_pktget_static: all static pkt in use!\n"));
	return osl_pktget(osh, len);
}

コード例 #8

ファイル: linux_osl.c プロジェクト: LGaljo/android_kernel_samsung_s3ve3g

void*
osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;

	if (len > DHD_SKB_MAX_BUFSIZE) {
		printk("%s: attempt to allocate huge packet (0x%x)\n", __FUNCTION__, len);
		return osl_pktget(osh, len);
	}

	down(&bcm_static_skb->osl_pkt_sem);

	if (len <= DHD_SKB_1PAGE_BUFSIZE) {
		for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != STATIC_PKT_MAX_NUM) {
			bcm_static_skb->pkt_use[i] = 1;

			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;

			up(&bcm_static_skb->osl_pkt_sem);
			return skb;
		}
	}

	if (len <= DHD_SKB_2PAGE_BUFSIZE) {
		for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
			if (bcm_static_skb->pkt_use[i + STATIC_PKT_MAX_NUM]
				== 0)
				break;
		}

		if (i != STATIC_PKT_MAX_NUM) {
			bcm_static_skb->pkt_use[i + STATIC_PKT_MAX_NUM] = 1;
			skb = bcm_static_skb->skb_8k[i];
			skb->tail = skb->data + len;
			skb->len = len;

			up(&bcm_static_skb->osl_pkt_sem);
			return skb;
		}
	}

#if defined(ENHANCED_STATIC_BUF)
	if (bcm_static_skb->pkt_use[STATIC_PKT_MAX_NUM * 2] == 0) {
		bcm_static_skb->pkt_use[STATIC_PKT_MAX_NUM * 2] = 1;

		skb = bcm_static_skb->skb_16k;
		skb->tail = skb->data + len;
		skb->len = len;

		up(&bcm_static_skb->osl_pkt_sem);
		return skb;
	}
#endif

	up(&bcm_static_skb->osl_pkt_sem);
	printk("%s: all static pkt in use!\n", __FUNCTION__);
	return osl_pktget(osh, len);
}

コード例 #9

void BCMFASTPATH
osl_pktfree(osl_t *osh, void *p, bool send)
{
	struct sk_buff *skb, *nskb;

	skb = (struct sk_buff*) p;

	if (send && osh->pub.tx_fn)
		osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);

	
	while (skb) {
		nskb = skb->next;
		skb->next = NULL;


#ifdef CTFPOOL
		if (PKTISFAST(osh, skb))
			osl_pktfastfree(osh, skb);
		else {
#else 
		{
#endif 

			if (skb->destructor)
				
				dev_kfree_skb_any(skb);
			else
				
				dev_kfree_skb(skb);
		}

		osh->pub.pktalloced--;

		skb = nskb;
	}
}

#ifdef DHD_USE_STATIC_BUF
void*
osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;


	if (len > (PAGE_SIZE*2))
	{
		printk("Do we really need this big skb??\n");
		return osl_pktget(osh, len);
	}


	down(&bcm_static_skb->osl_pkt_sem);
	if (len <= PAGE_SIZE)
	{

		for (i = 0; i < MAX_STATIC_PKT_NUM; i++)
		{
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != MAX_STATIC_PKT_NUM)
		{
			bcm_static_skb->pkt_use[i] = 1;
			up(&bcm_static_skb->osl_pkt_sem);

			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;

			return skb;
		}
	}


	for (i = 0; i < MAX_STATIC_PKT_NUM; i++)
	{
		if (bcm_static_skb->pkt_use[i+MAX_STATIC_PKT_NUM] == 0)
			break;
	}

	if (i != MAX_STATIC_PKT_NUM)
	{
		bcm_static_skb->pkt_use[i+MAX_STATIC_PKT_NUM] = 1;
		up(&bcm_static_skb->osl_pkt_sem);
		skb = bcm_static_skb->skb_8k[i];
		skb->tail = skb->data + len;
		skb->len = len;

		return skb;
	}


	up(&bcm_static_skb->osl_pkt_sem);
	printk("all static pkt in use!\n");
	return osl_pktget(osh, len);
}

コード例 #10

ファイル: linux_osl.c プロジェクト: birey/android_kernel_samsung_kyleproxx

void BCMFASTPATH
osl_pktfree(osl_t *osh, void *p, bool send)
{
	struct sk_buff *skb, *nskb;
	unsigned long flags;

	skb = (struct sk_buff*) p;

	if (send && osh->pub.tx_fn)
		osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);

	PKTDBG_TRACE(osh, (void *) skb, PKTLIST_PKTFREE);

	
	while (skb) {
		nskb = skb->next;
		skb->next = NULL;



#ifdef CTFPOOL
		if ((PKTISFAST(osh, skb)) && (atomic_read(&skb->users) == 1))
			osl_pktfastfree(osh, skb);
		else {
#else 
		{
#endif 

			if (skb->destructor)
				
				dev_kfree_skb_any(skb);
			else
				
				dev_kfree_skb(skb);
		}
		spin_lock_irqsave(&osh->pktalloc_lock, flags);
		osh->pub.pktalloced--;
		spin_unlock_irqrestore(&osh->pktalloc_lock, flags);
		skb = nskb;
	}
}

#ifdef CONFIG_DHD_USE_STATIC_BUF
void*
osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;


	if (len > DHD_SKB_MAX_BUFSIZE) {
		printk("osl_pktget_static: Do we really need this big skb??"
			" len=%d\n", len);
		return osl_pktget(osh, len);
	}

	down(&bcm_static_skb->osl_pkt_sem);

	if (len <= DHD_SKB_1PAGE_BUFSIZE) {
		for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != STATIC_PKT_MAX_NUM) {
			bcm_static_skb->pkt_use[i] = 1;

			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;

			up(&bcm_static_skb->osl_pkt_sem);
			return skb;
		}
	}

	if (len <= DHD_SKB_2PAGE_BUFSIZE) {

		for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
			if (bcm_static_skb->pkt_use[i + STATIC_PKT_MAX_NUM]
				== 0)
				break;
		}

		if (i != STATIC_PKT_MAX_NUM) {
			bcm_static_skb->pkt_use[i + STATIC_PKT_MAX_NUM] = 1;
			skb = bcm_static_skb->skb_8k[i];
			skb->tail = skb->data + len;
			skb->len = len;

			up(&bcm_static_skb->osl_pkt_sem);
			return skb;
		}
	}

#if defined(ENHANCED_STATIC_BUF)
	if (bcm_static_skb->pkt_use[STATIC_PKT_MAX_NUM * 2] == 0) {
		bcm_static_skb->pkt_use[STATIC_PKT_MAX_NUM * 2] = 1;

		skb = bcm_static_skb->skb_16k;
		skb->tail = skb->data + len;
		skb->len = len;

		up(&bcm_static_skb->osl_pkt_sem);
		return skb;
	}
#endif

	up(&bcm_static_skb->osl_pkt_sem);
	printk("osl_pktget_static: all static pkt in use!\n");
	return osl_pktget(osh, len);
}

コード例 #11

ファイル: linux_osl.c プロジェクト: andr00ib/3.0.94-victor-kernel

void BCMFASTPATH
osl_pktfree(osl_t *osh, void *p, bool send)
{
	struct sk_buff *skb, *nskb;
	unsigned long flags;

	skb = (struct sk_buff*) p;

	if (send && osh->pub.tx_fn)
		osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);

	PKTDBG_TRACE(osh, (void *) skb, PKTLIST_PKTFREE);

	
	while (skb) {
		nskb = skb->next;
		skb->next = NULL;



#ifdef CTFPOOL
		if ((PKTISFAST(osh, skb)) && (atomic_read(&skb->users) == 1))
			osl_pktfastfree(osh, skb);
		else {
#else 
		{
#endif 

			if (skb->destructor)
				
				dev_kfree_skb_any(skb);
			else
				
				dev_kfree_skb(skb);
		}
		spin_lock_irqsave(&osh->pktalloc_lock, flags);
		osh->pub.pktalloced--;
		spin_unlock_irqrestore(&osh->pktalloc_lock, flags);
		skb = nskb;
	}
}

#ifdef CONFIG_DHD_USE_STATIC_BUF
void*
osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;

#ifdef CONFIG_COMMON_PATCH
	if (len > (PAGE_SIZE*3)) {
		printk("%s: attempt to allocate huge packet (0x%x)\n", __FUNCTION__, len);
		return osl_pktget(osh, len);
	}
#else
	if (len > (PAGE_SIZE*2)) {
		printk("%s: attempt to allocate huge packet (0x%x)\n", __FUNCTION__, len);
		return osl_pktget(osh, len);
	}
#endif

	down(&bcm_static_skb->osl_pkt_sem);

	if (len <= PAGE_SIZE) {
		for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != STATIC_PKT_MAX_NUM) {
			bcm_static_skb->pkt_use[i] = 1;
			up(&bcm_static_skb->osl_pkt_sem);
			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;
			return skb;
		}
	}


	for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
		if (bcm_static_skb->pkt_use[i+STATIC_PKT_MAX_NUM] == 0)
			break;
	}

	if (i != STATIC_PKT_MAX_NUM) {
		bcm_static_skb->pkt_use[i+STATIC_PKT_MAX_NUM] = 1;
		up(&bcm_static_skb->osl_pkt_sem);
#ifdef CONFIG_COMMON_PATCH
		skb = bcm_static_skb->skb_12k[i];
#else
		skb = bcm_static_skb->skb_8k[i];
#endif
		skb->tail = skb->data + len;
		skb->len = len;
		return skb;
	}

	up(&bcm_static_skb->osl_pkt_sem);
	printk("%s: all static pkt in use!\n", __FUNCTION__);
	return osl_pktget(osh, len);
}

コード例 #12

ファイル: linux_osl.c プロジェクト: LDrifta/Kernel_MS910_ZVD_Speed_Unlshd

void*
osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;
//ADD: 0013228: [Wi-Fi] trace code for monitoring memory allocation
/* LGE_CHAMNGE_S, [[email protected]], 2010-12-29, due to memory leak issue, trace how much Wi-Fi driver requests memory allocation */	
	if (len > (PAGE_SIZE*2))
	{
		printk("Do we really need this big skb??\n");
		return osl_pktget(osh, len);
	}
/* LGE_CHAMNGE_E, [[email protected]], 2010-12-29, due to memory leak issue, trace how much Wi-Fi driver requests memory allocation */	
//END: 0013228: [Wi-Fi] trace code for monitoring memory allocation
	
	down(&bcm_static_skb->osl_pkt_sem);
	if (len <= PAGE_SIZE)
	{
		
		for (i = 0; i < MAX_STATIC_PKT_NUM; i++)
		{
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != MAX_STATIC_PKT_NUM)
		{
			bcm_static_skb->pkt_use[i] = 1;
			up(&bcm_static_skb->osl_pkt_sem);

			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;
			
			return skb;
		}
	}

	
	for (i = 0; i < MAX_STATIC_PKT_NUM; i++)
	{
		if (bcm_static_skb->pkt_use[i+MAX_STATIC_PKT_NUM] == 0)
			break;
	}

	if (i != MAX_STATIC_PKT_NUM)
	{
		bcm_static_skb->pkt_use[i+MAX_STATIC_PKT_NUM] = 1;
		up(&bcm_static_skb->osl_pkt_sem);
		skb = bcm_static_skb->skb_8k[i];
		skb->tail = skb->data + len;
		skb->len = len;
		
		return skb;
	}


	
	up(&bcm_static_skb->osl_pkt_sem);
	printk("all static pkt in use!\n");
	return osl_pktget(osh, len);
}

コード例 #13

void BCMFASTPATH
osl_pktfree(osl_t *osh, void *p, bool send)
{
	struct sk_buff *skb, *nskb;
	if (osh == NULL)
	{
		printk("%s: osh == NULL \n", __FUNCTION__);
		return;
	}

	skb = (struct sk_buff*) p;

	if (send && osh->pub.tx_fn)
		osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);

	PKTDBG_TRACE(osh, (void *) skb, PKTLIST_PKTFREE);


	while (skb) {
		nskb = skb->next;
		skb->next = NULL;



#ifdef CTFPOOL
		if ((PKTISFAST(osh, skb)) && (atomic_read(&skb->users) == 1))
			osl_pktfastfree(osh, skb);
		else {
#else
		{
#endif

			if (skb->destructor)

				dev_kfree_skb_any(skb);
			else

				dev_kfree_skb(skb);
		}
		atomic_dec(&osh->pktalloced);
		skb = nskb;
	}
}

#ifdef CONFIG_DHD_USE_STATIC_BUF
void*
osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;

	if (len > DHD_SKB_MAX_BUFSIZE) {
		printk("%s: attempt to allocate huge packet (0x%x)\n", __FUNCTION__, len);
		return osl_pktget(osh, len);
	}

	down(&bcm_static_skb->osl_pkt_sem);

	if (len <= DHD_SKB_1PAGE_BUFSIZE) {
		for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != STATIC_PKT_MAX_NUM) {
			bcm_static_skb->pkt_use[i] = 1;

			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;

			up(&bcm_static_skb->osl_pkt_sem);
			return skb;
		}
	}

	if (len <= DHD_SKB_2PAGE_BUFSIZE) {
		for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
			if (bcm_static_skb->pkt_use[i + STATIC_PKT_MAX_NUM]
				== 0)
				break;
		}

		if (i != STATIC_PKT_MAX_NUM) {
			bcm_static_skb->pkt_use[i + STATIC_PKT_MAX_NUM] = 1;
			skb = bcm_static_skb->skb_8k[i];
			skb->tail = skb->data + len;
			skb->len = len;

			up(&bcm_static_skb->osl_pkt_sem);
			return skb;
		}
	}

#if defined(ENHANCED_STATIC_BUF)
	if (bcm_static_skb->pkt_use[STATIC_PKT_MAX_NUM * 2] == 0) {
		bcm_static_skb->pkt_use[STATIC_PKT_MAX_NUM * 2] = 1;

		skb = bcm_static_skb->skb_16k;
		skb->tail = skb->data + len;
		skb->len = len;

		up(&bcm_static_skb->osl_pkt_sem);
		return skb;
	}
#endif

	up(&bcm_static_skb->osl_pkt_sem);
	printk("%s: all static pkt in use!\n", __FUNCTION__);
	return osl_pktget(osh, len);
}

コード例 #14

ファイル: linux_osl.c プロジェクト: RCISC/asuswrt-merlin

/* Free the driver packet. Free the tag if present */
void BCMFASTPATH
osl_pktfree(osl_t *osh, void *p, bool send)
{
	struct sk_buff *skb, *nskb;

	skb = (struct sk_buff*) p;

	if (send && osh->pub.tx_fn)
		osh->pub.tx_fn(osh->pub.tx_ctx, p, 0);

	PKTDBG_TRACE(osh, (void *) skb, PKTLIST_PKTFREE);

	/* perversion: we use skb->next to chain multi-skb packets */
	while (skb) {
		nskb = skb->next;
		skb->next = NULL;


#ifdef CTFMAP
		/* Clear the map ptr before freeing */
		PKTCLRCTF(osh, skb);
		CTFMAPPTR(osh, skb) = NULL;
#endif /* CTFMAP */

#ifdef CTFPOOL
		if ((PKTISFAST(osh, skb)) && (atomic_read(&skb->users) == 1))
			osl_pktfastfree(osh, skb);
		else {
#else /* CTFPOOL */
		{
#endif /* CTFPOOL */

			if (skb->destructor)
				/* cannot kfree_skb() on hard IRQ (net/core/skbuff.c) if
				 * destructor exists
				 */
				dev_kfree_skb_any(skb);
			else
				/* can free immediately (even in_irq()) if destructor
				 * does not exist
				 */
				dev_kfree_skb(skb);
		}
		atomic_dec(&osh->pktalloced);
		skb = nskb;
	}
}

#ifdef DHD_USE_STATIC_BUF
void*
osl_pktget_static(osl_t *osh, uint len)
{
	int i = 0;
	struct sk_buff *skb;

	if (len > (PAGE_SIZE*2)) {
		printk("%s: attempt to allocate huge packet (0x%x)\n", __FUNCTION__, len);
		return osl_pktget(osh, len);
	}

	down(&bcm_static_skb->osl_pkt_sem);

	if (len <= PAGE_SIZE) {
		for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
			if (bcm_static_skb->pkt_use[i] == 0)
				break;
		}

		if (i != STATIC_PKT_MAX_NUM) {
			bcm_static_skb->pkt_use[i] = 1;
			up(&bcm_static_skb->osl_pkt_sem);
			skb = bcm_static_skb->skb_4k[i];
			skb->tail = skb->data + len;
			skb->len = len;
			return skb;
		}
	}


	for (i = 0; i < STATIC_PKT_MAX_NUM; i++) {
		if (bcm_static_skb->pkt_use[i+STATIC_PKT_MAX_NUM] == 0)
			break;
	}

	if (i != STATIC_PKT_MAX_NUM) {
		bcm_static_skb->pkt_use[i+STATIC_PKT_MAX_NUM] = 1;
		up(&bcm_static_skb->osl_pkt_sem);
		skb = bcm_static_skb->skb_8k[i];
		skb->tail = skb->data + len;
		skb->len = len;
		return skb;
	}

	up(&bcm_static_skb->osl_pkt_sem);
	printk("%s: all static pkt in use!\n", __FUNCTION__);
	return osl_pktget(osh, len);
}