Ejemplos de dev_alloc_skb_kernel en C++ (Cpp)

Ejemplo n.º 1

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

	if ((skb = dev_alloc_skb_kernel(len))) {
		skb_put(skb, len);
		skb->priority = 0;


		osh->pub.pktalloced++;
	}

	return ((void*) skb);
}

Ejemplo n.º 2

Archivo: linux_osl.c Proyecto: Banjo0917/I5700-modules-2.6.32.9

osl_t *
osl_attach(void *pdev, uint bustype, bool pkttag)
{
	osl_t *osh;

	osh = kmalloc(sizeof(osl_t), GFP_ATOMIC);
	ASSERT(osh);

	bzero(osh, sizeof(osl_t));

	
	ASSERT(ABS(BCME_LAST) == (ARRAYSIZE(linuxbcmerrormap) - 1));

	osh->magic = OS_HANDLE_MAGIC;
	osh->malloced = 0;
	osh->failed = 0;
	osh->dbgmem_list = NULL;
	osh->pdev = pdev;
	osh->pub.pkttag = pkttag;
	osh->bustype = bustype;

	switch (bustype) {
		case PCI_BUS:
		case SI_BUS:
		case PCMCIA_BUS:
			osh->pub.mmbus = TRUE;
			break;
		case JTAG_BUS:
		case SDIO_BUS:
		case USB_BUS:
		case SPI_BUS:
			osh->pub.mmbus = FALSE;
			break;
		default:
			ASSERT(FALSE);
			break;
	}

#ifdef DHD_USE_STATIC_BUF


	if (!bcm_static_buf) {
		if (!(bcm_static_buf = (bcm_static_buf_t *)dhd_os_prealloc(3, STATIC_BUF_SIZE+
			STATIC_BUF_TOTAL_LEN))) {
			OSL_MSG_ERROR(("osl_attach: can not alloc static buf!\n"));
		}
		else
			OSL_MSG_INFO(("osl_attach: alloc static buf at %x!\n", (unsigned int)bcm_static_buf));

		
		init_MUTEX(&bcm_static_buf->static_sem);

		
		bcm_static_buf->buf_ptr = (unsigned char *)bcm_static_buf + STATIC_BUF_SIZE;

	}
	
	if (!bcm_static_skb)
	{
		int i;
#ifndef CUSTOMER_HW_SAMSUNG
		void *skb_buff_ptr = 0;
#endif
		bcm_static_skb = (bcm_static_pkt_t *)((char *)bcm_static_buf + 2048);
#ifdef CUSTOMER_HW_SAMSUNG
		for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
			bcm_static_skb->skb_4k[i] = dev_alloc_skb(DHD_SKB_1PAGE_BUFSIZE);
			if (bcm_static_skb->skb_4k[i] == NULL) {
				OSL_MSG_ERROR(("osl_attach: 4K memory allocation failure. idx=%d\n", i));
				goto err;
			}
		}
			
		for (i = 0; i < MAX_STATIC_PKT_NUM; i++) {
			bcm_static_skb->skb_8k[i] = dev_alloc_skb_kernel(DHD_SKB_2PAGE_BUFSIZE);
			if (bcm_static_skb->skb_8k[i] == NULL) {
				OSL_MSG_ERROR(("osl_attach: 8K memory allocation failure. idx=%d\n", i));
				goto err;
			}
		}

		bcm_static_skb->skb_16k = dev_alloc_skb_kernel(DHD_SKB_4PAGE_BUFSIZE);
		if (bcm_static_skb->skb_16k == NULL) {
			OSL_MSG_ERROR(("osl_attach: 16K memory allocation failure. idx=%d\n", i));
			goto err;
		}
#else
		skb_buff_ptr = dhd_os_prealloc(4, 0);

		bcopy(skb_buff_ptr, bcm_static_skb, sizeof(struct sk_buff *)*16);
#endif /* CUSTOMER_HW_SAMSUNG */
		for (i = 0; i < MAX_STATIC_PKT_NUM*2+1; i++)
			bcm_static_skb->pkt_use[i] = 0;

		init_MUTEX(&bcm_static_skb->osl_pkt_sem);
	}
#endif 
	return osh;
err:

	kfree(osh);
	return 0;
}