WinPcap: __CPU_Private_Data Struct Reference
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2023-12-01
[NPF structures and definitions]
Kernel buffer of each CPU.
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#include <Packet.h>
Data Fields | |
| ULONG | P |
| Zero-based index of the producer in the buffer. It indicates the first free byte to be written. | |
| ULONG | C |
| Zero-based index of the consumer in the buffer. It indicates the first free byte to be read. | |
| ULONG | Free |
| Number of the free bytes in the buffer. | |
| PUCHAR | Buffer |
| Pointer to the kernel buffer used to capture packets. | |
| ULONG | Accepted |
| ULONG | Received |
| ULONG | Dropped |
| NDIS_SPIN_LOCK | BufferLock |
| It protects the buffer associated with this CPU. | |
| PMDL | TransferMdl1 |
| MDL used to map the portion of the buffer that will contain an incoming packet. | |
| PMDL | TransferMdl2 |
| Second MDL used to map the portion of the buffer that will contain an incoming packet. | |
| ULONG | NewP |
| Used by NdisTransferData() (when we call NdisTransferData, p index must be updated only in the TransferDataComplete. | |