/*
* 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;
}
__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;
}
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;
}
__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;
}