C++ (Cpp) DEV_ALLOC_SKB Exemples

Exemple #1

Fichier : rt_rbus_pci_util.c Projet : Brainiarc7/ralink_sdk

/*
 * FUNCTION: Allocate a packet buffer for DMA
 * ARGUMENTS:
 *     AdapterHandle:  AdapterHandle
 *     Length:  Number of bytes to allocate
 *     Cached:  Whether or not the memory can be cached
 *     VirtualAddress:  Pointer to memory is returned here
 *     PhysicalAddress:  Physical address corresponding to virtual address
 * Notes:
 *     Cached is ignored: always cached memory
 */
PNDIS_PACKET RTMP_AllocateRxPacketBuffer(
	IN	VOID					*pReserved,
	IN	VOID					*pPciDev,
	IN	ULONG					Length,
	IN	BOOLEAN					Cached,
	OUT	PVOID					*VirtualAddress,
	OUT	PNDIS_PHYSICAL_ADDRESS	PhysicalAddress)
{
	struct sk_buff *pkt;

/*	pkt = dev_alloc_skb(Length); */
	DEV_ALLOC_SKB(pReserved, pkt, Length);

	if (pkt == NULL) {
		DBGPRINT(RT_DEBUG_ERROR, ("can't allocate rx %ld size packet\n",Length));
	}

	if (pkt) {
		RTMP_SET_PACKET_SOURCE(OSPKT_TO_RTPKT(pkt), PKTSRC_NDIS);
		*VirtualAddress = (PVOID) pkt->data;	
/*#ifdef CONFIG_5VT_ENHANCE */
/*		*PhysicalAddress = PCI_MAP_SINGLE(pAd, *VirtualAddress, 1600, RTMP_PCI_DMA_FROMDEVICE); */
/*#else */
		*PhysicalAddress = PCI_MAP_SINGLE_DEV(pPciDev, *VirtualAddress, Length,  -1, RTMP_PCI_DMA_FROMDEVICE);
/*#endif */
	} else {
		*VirtualAddress = (PVOID) NULL;
		*PhysicalAddress = (NDIS_PHYSICAL_ADDRESS) 0;
	}	

	return (PNDIS_PACKET) pkt;
}

Exemple #2

Fichier : rt_rbus_pci_util.c Projet : qwerty1023/wive-rtnl-firmware

__IMEM
#endif
PNDIS_PACKET RTMP_AllocateRxPacketBuffer(
	IN	VOID					*pReserved,
	IN	VOID					*pPciDev,
	IN	ULONG					Length,
	IN	BOOLEAN					Cached,
	OUT	PVOID					*VirtualAddress,
	OUT	PNDIS_PHYSICAL_ADDRESS	PhysicalAddress)
{
	struct sk_buff *pkt;

/*	pkt = dev_alloc_skb(Length); */
#ifdef BB_SOC
	pkt = skbmgr_dev_alloc_skb4k();
#else
	DEV_ALLOC_SKB(pReserved, pkt, Length);
#endif

	if (pkt == NULL) {
		DBGPRINT(RT_DEBUG_ERROR, ("can't allocate rx %ld size packet\n",Length));
	}

	if (pkt) {
		*VirtualAddress = (PVOID) pkt->data;	
		*PhysicalAddress = PCI_MAP_SINGLE_DEV(pPciDev, *VirtualAddress, Length,  -1, RTMP_PCI_DMA_FROMDEVICE);
	} else {
		*VirtualAddress = (PVOID) NULL;
		*PhysicalAddress = (NDIS_PHYSICAL_ADDRESS) 0;
	}	

	return (PNDIS_PACKET) pkt;
}

Exemple #3

PNDIS_PACKET RTMP_AllocateRxPacketBuffer(
	IN	PRTMP_ADAPTER pAd,
	IN	ULONG	Length,
	IN	BOOLEAN	Cached,
	OUT	PVOID	*VirtualAddress,
	OUT	PNDIS_PHYSICAL_ADDRESS PhysicalAddress)
{
	PNDIS_PACKET pkt;

	pkt = RTPKT_TO_OSPKT(DEV_ALLOC_SKB(Length));

	if (pkt == NULL) {
		DBGPRINT(RT_DEBUG_ERROR, ("can't allocate rx %ld size packet\n",Length));
	}

	if (pkt) {
		RTMP_SET_PACKET_SOURCE(pkt, PKTSRC_NDIS);
		*VirtualAddress = (PVOID) RTPKT_TO_OSPKT(pkt)->data;
		*PhysicalAddress = PCI_MAP_SINGLE(pAd, *VirtualAddress, Length, -1, PCI_DMA_FROMDEVICE);
	} else {
		*VirtualAddress = (PVOID) NULL;
		*PhysicalAddress = (NDIS_PHYSICAL_ADDRESS) NULL;
	}

	return (PNDIS_PACKET) pkt;
}

Exemple #4

Fichier : rt_rbus_pci_util.c Projet : 23171580/ralink

__IMEM
#endif 
PNDIS_PACKET RTMP_AllocateRxPacketBuffer(
	IN VOID *pReserved,
	IN VOID *pPciDev,
	IN ULONG Length,
	IN BOOLEAN Cached,
	OUT VOID **VirtualAddress,
	OUT PNDIS_PHYSICAL_ADDRESS	phy_addr)
{
	struct sk_buff *pkt;
#ifdef BB_SOC
    pkt = skbmgr_dev_alloc_skb4k();
#else
/*	pkt = dev_alloc_skb(Length); */
	DEV_ALLOC_SKB(pReserved, pkt, Length);
#endif	

	if (pkt == NULL) {
		MTWF_LOG(DBG_CAT_ALL, DBG_SUBCAT_ALL, DBG_LVL_ERROR, ("can't allocate rx %ld size packet\n",Length));
	}

	if (pkt) {
		*VirtualAddress = (PVOID) pkt->data;	
		*phy_addr = PCI_MAP_SINGLE_DEV(pPciDev, *VirtualAddress, Length,  -1, RTMP_PCI_DMA_FROMDEVICE);
		
		//if (DMA_MAPPING_ERROR(pPciDev, *phy_addr))
		//{
		//	MTWF_LOG(DBG_CAT_ALL, DBG_SUBCAT_ALL, DBG_LVL_ERROR, ("%s: dma mapping error\n", __FUNCTION__));
		//}

	} else {
		*VirtualAddress = (PVOID) NULL;
		*phy_addr = (NDIS_PHYSICAL_ADDRESS) 0;
	}	

	return (PNDIS_PACKET) pkt;
}