C++ (Cpp) Wb35Rx_adjust Examples

Example #1

static u16 Wb35Rx_indicate(struct ieee80211_hw *hw)
{
	struct wbsoft_priv *priv = hw->priv;
	struct hw_data * pHwData = &priv->sHwData;
	struct wb35_descriptor	RxDes;
	struct wb35_rx *pWb35Rx = &pHwData->Wb35Rx;
	u8 *		pRxBufferAddress;
	u16		PacketSize;
	u16		stmp, BufferSize, stmp2 = 0;
	u32		RxBufferId;

	// Only one thread be allowed to run into the following
	do {
		RxBufferId = pWb35Rx->RxProcessIndex;
		if (pWb35Rx->RxOwner[ RxBufferId ]) //Owner by VM
			break;

		pWb35Rx->RxProcessIndex++;
		pWb35Rx->RxProcessIndex %= MAX_USB_RX_BUFFER_NUMBER;

		pRxBufferAddress = pWb35Rx->pDRx;
		BufferSize = pWb35Rx->RxBufferSize[ RxBufferId ];

		// Parse the bulkin buffer
		while (BufferSize >= 4) {
			if ((cpu_to_le32(*(u32 *)pRxBufferAddress) & 0x0fffffff) == RX_END_TAG) //Is ending? 921002.9.a
				break;

			// Get the R00 R01 first
			RxDes.R00.value = le32_to_cpu(*(u32 *)pRxBufferAddress);
			PacketSize = (u16)RxDes.R00.R00_receive_byte_count;
			RxDes.R01.value = le32_to_cpu(*((u32 *)(pRxBufferAddress+4)));
			// For new DMA 4k
			if ((PacketSize & 0x03) > 0)
				PacketSize -= 4;

			// Basic check for Rx length. Is length valid?
			if (PacketSize > MAX_PACKET_SIZE) {
				#ifdef _PE_RX_DUMP_
				printk("Serious ERROR : Rx data size too long, size =%d\n", PacketSize);
				#endif

				pWb35Rx->EP3vm_state = VM_STOP;
				pWb35Rx->Ep3ErrorCount2++;
				break;
			}

			// Start to process Rx buffer
//			RxDes.Descriptor_ID = RxBufferId; // Due to synchronous indicate, the field doesn't necessary to use.
			BufferSize -= 8; //subtract 8 byte for 35's USB header length
			pRxBufferAddress += 8;

			RxDes.buffer_address[0] = pRxBufferAddress;
			RxDes.buffer_size[0] = PacketSize;
			RxDes.buffer_number = 1;
			RxDes.buffer_start_index = 0;
			RxDes.buffer_total_size = RxDes.buffer_size[0];
			Wb35Rx_adjust(&RxDes);

			packet_came(hw, pRxBufferAddress, PacketSize);

			// Move RxBuffer point to the next
			stmp = PacketSize + 3;
			stmp &= ~0x03; // 4n alignment
			pRxBufferAddress += stmp;
			BufferSize -= stmp;
			stmp2 += stmp;
		}

		// Reclaim resource
		pWb35Rx->RxOwner[ RxBufferId ] = 1;
	} while (true);

	return stmp2;
}

Example #2

File: wb35rx.c Project: DirtyDroidX/android_kernel_htc_m8ul

static u16 Wb35Rx_indicate(struct ieee80211_hw *hw)
{
	struct wbsoft_priv	*priv = hw->priv;
	struct hw_data		*pHwData = &priv->sHwData;
	struct wb35_descriptor	RxDes;
	struct wb35_rx		*pWb35Rx = &pHwData->Wb35Rx;
	u8			*pRxBufferAddress;
	u16			PacketSize;
	u16			stmp, BufferSize, stmp2 = 0;
	u32			RxBufferId;

	
	do {
		RxBufferId = pWb35Rx->RxProcessIndex;
		if (pWb35Rx->RxOwner[RxBufferId]) 
			break;

		pWb35Rx->RxProcessIndex++;
		pWb35Rx->RxProcessIndex %= MAX_USB_RX_BUFFER_NUMBER;

		pRxBufferAddress = pWb35Rx->pDRx;
		BufferSize = pWb35Rx->RxBufferSize[RxBufferId];

		
		while (BufferSize >= 4) {
			if ((cpu_to_le32(*(u32 *)pRxBufferAddress) & 0x0fffffff) == RX_END_TAG) 
				break;

			
			RxDes.R00.value = le32_to_cpu(*(u32 *)pRxBufferAddress);
			PacketSize = (u16)RxDes.R00.R00_receive_byte_count;
			RxDes.R01.value = le32_to_cpu(*((u32 *)(pRxBufferAddress + 4)));
			
			if ((PacketSize & 0x03) > 0)
				PacketSize -= 4;

			
			if (PacketSize > MAX_PACKET_SIZE) {
				pr_debug("Serious ERROR : Rx data size too long, size =%d\n", PacketSize);
				pWb35Rx->EP3vm_state = VM_STOP;
				pWb35Rx->Ep3ErrorCount2++;
				break;
			}

			BufferSize -= 8; 
			pRxBufferAddress += 8;

			RxDes.buffer_address[0] = pRxBufferAddress;
			RxDes.buffer_size[0] = PacketSize;
			RxDes.buffer_number = 1;
			RxDes.buffer_start_index = 0;
			RxDes.buffer_total_size = RxDes.buffer_size[0];
			Wb35Rx_adjust(&RxDes);

			packet_came(hw, pRxBufferAddress, PacketSize);

			
			stmp = PacketSize + 3;
			stmp &= ~0x03; 
			pRxBufferAddress += stmp;
			BufferSize -= stmp;
			stmp2 += stmp;
		}

		
		pWb35Rx->RxOwner[RxBufferId] = 1;
	} while (true);
	return stmp2;
}