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NDIS_GET_PACKET_CANCEL_ID (Windows Embedded CE 6.0)

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1/6/2010

This macro returns the cancellation identifier assigned to a packet.

Syntax

PVOID NDIS_GET_PACKET_CANCEL_ID(
  PNDIS_PACKET _P
);

Parameters

  • _ P
    Points to an NDIS_PACKET structure that is the descriptor for a packet.

Return Value

The return value is the cancellation identifier for the specified packet.

Remarks

A protocol or intermediate driver can call NDIS_GET_PACKET_CANCEL_ID to obtain the cancellation identifier for a packet.

A miniport driver calls NDIS_GET_PACKET_CANCEL_ID from its MiniportCancelSendPackets function to obtain cancellation identifiers of packets in its send queue. If a packet's cancellation identifier matches the cancellation identifier passed to the miniport driver's MiniportCancelSendPackets function, the miniport cancels the pending transmission of the packet.

The NDIS_GET_PACKET_CANCEL_ID macro is defined as follows.

#define NDIS_GET_PACKET_CANCEL_ID(_P) NDIS_PER_PACKET_INFO_FROM_PACKET(_P, PacketCancelId)

Requirements

Header ndis.h
Windows Embedded CE Windows CE .NET 4.0 and later

See Also

Reference

Network Driver Macros
NDIS_PACKET
NdisAllocatePacket
NdisAllocatePacketPool
NdisAllocatePacketPoolEx
NdisCancelSendPackets
NdisGeneratePartialCancelId
MiniportCancelSendPackets
NDIS_SET_PACKET_CANCEL_ID