C++ (Cpp) rtw_usb_buffer_allocの例

コード例 #1

ファイル: recv_linux.c プロジェクト: neverhover/rtl8821au

//alloc os related resource in struct recv_buf
int rtw_os_recvbuf_resource_alloc(_adapter *padapter, struct recv_buf *precvbuf)
{
	int res=_SUCCESS;

#ifdef CONFIG_USB_HCI
	struct dvobj_priv	*pdvobjpriv = adapter_to_dvobj(padapter);
	struct usb_device	*pusbd = pdvobjpriv->pusbdev;

	precvbuf->irp_pending = _FALSE;
	precvbuf->purb = usb_alloc_urb(0, GFP_KERNEL);
	if(precvbuf->purb == NULL){
		res = _FAIL;
	}

	precvbuf->pskb = NULL;

	precvbuf->pallocated_buf  = precvbuf->pbuf = NULL;

	precvbuf->pdata = precvbuf->phead = precvbuf->ptail = precvbuf->pend = NULL;

	precvbuf->transfer_len = 0;

	precvbuf->len = 0;

	#ifdef CONFIG_USE_USB_BUFFER_ALLOC_RX
	precvbuf->pallocated_buf = rtw_usb_buffer_alloc(pusbd, (size_t)precvbuf->alloc_sz, &precvbuf->dma_transfer_addr);
	precvbuf->pbuf = precvbuf->pallocated_buf;
	if(precvbuf->pallocated_buf == NULL)
		return _FAIL;
	#endif //CONFIG_USE_USB_BUFFER_ALLOC_RX
	
#endif //CONFIG_USB_HCI

	return res;
}

コード例 #2

ファイル: xmit_linux.c プロジェクト: 1nfused/RemoteAccess

int rtw_os_xmit_resource_alloc(_adapter *padapter, struct xmit_buf *pxmitbuf,u32 alloc_sz)
{
#ifdef CONFIG_USB_HCI
	int i;
	struct dvobj_priv	*pdvobjpriv = adapter_to_dvobj(padapter);
	struct usb_device	*pusbd = pdvobjpriv->pusbdev;

#ifdef CONFIG_USE_USB_BUFFER_ALLOC_TX
	pxmitbuf->pallocated_buf = rtw_usb_buffer_alloc(pusbd, (size_t)alloc_sz, &pxmitbuf->dma_transfer_addr);
	pxmitbuf->pbuf = pxmitbuf->pallocated_buf;
	if(pxmitbuf->pallocated_buf == NULL)
		return _FAIL;
#else // CONFIG_USE_USB_BUFFER_ALLOC_TX

	pxmitbuf->pallocated_buf = rtw_zmalloc(alloc_sz);
	if (pxmitbuf->pallocated_buf == NULL)
	{
		return _FAIL;
	}

	pxmitbuf->pbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitbuf->pallocated_buf), XMITBUF_ALIGN_SZ);
	pxmitbuf->dma_transfer_addr = 0;

#endif // CONFIG_USE_USB_BUFFER_ALLOC_TX

	for(i=0; i<8; i++)
	{
		pxmitbuf->pxmit_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
		if(pxmitbuf->pxmit_urb[i] == NULL)
		{
			DBG_871X("pxmitbuf->pxmit_urb[i]==NULL");
			return _FAIL;
		}

	}
#endif
#if defined(CONFIG_PCI_HCI) || defined(CONFIG_SDIO_HCI)
	pxmitbuf->pallocated_buf = rtw_zmalloc(alloc_sz);
	if (pxmitbuf->pallocated_buf == NULL)
	{
		return _FAIL;
	}

	pxmitbuf->pbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitbuf->pallocated_buf), XMITBUF_ALIGN_SZ);
#endif

	return _SUCCESS;
}

コード例 #3

ファイル: xmit_linux.c プロジェクト: plathome/debian_based_firmware

int rtw_os_xmit_resource_alloc(_adapter *padapter, struct xmit_buf *pxmitbuf, u32 alloc_sz, u8 flag)
{
	if (alloc_sz > 0) {
#ifdef CONFIG_USE_USB_BUFFER_ALLOC_TX
		struct dvobj_priv	*pdvobjpriv = adapter_to_dvobj(padapter);
		struct usb_device	*pusbd = pdvobjpriv->pusbdev;

		pxmitbuf->pallocated_buf = rtw_usb_buffer_alloc(pusbd, (size_t)alloc_sz, &pxmitbuf->dma_transfer_addr);
		pxmitbuf->pbuf = pxmitbuf->pallocated_buf;
		if (pxmitbuf->pallocated_buf == NULL)
			return _FAIL;
#else /* CONFIG_USE_USB_BUFFER_ALLOC_TX */

		pxmitbuf->pallocated_buf = rtw_zmalloc(alloc_sz);
		if (pxmitbuf->pallocated_buf == NULL)
			return _FAIL;

		pxmitbuf->pbuf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(pxmitbuf->pallocated_buf), XMITBUF_ALIGN_SZ);

#endif /* CONFIG_USE_USB_BUFFER_ALLOC_TX */
	}

	if (flag) {
#ifdef CONFIG_USB_HCI
		int i;
		for (i = 0; i < 8; i++) {
			pxmitbuf->pxmit_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
			if (pxmitbuf->pxmit_urb[i] == NULL) {
				RTW_INFO("pxmitbuf->pxmit_urb[i]==NULL");
				return _FAIL;
			}
		}
#endif
	}

	return _SUCCESS;
}