RTN_FN_GETPACKET

RTN_FN_GETPACKET is a pointer to an application function that returns a pointer to an application packet structure.

Syntax

PVOID (*RTN_FN_GETPACKET)(
	PVOID pAppContext,
	LONG length
);

Parameters

pAppContext

Application context pointer used as an argument in RtNalConfigureQueue.

length

Length required for the packet.

Return Value

Returns a pointer to an application packet structure if the function succeeds. Returns NULL if the function fails.

Remarks

An application callback RTN_FN_GETPACKET is called from RtnGetPacket from a device driver RtndReceive function to obtain the packet in which to copy received data. The application callback RTN_FN_DECODEPACKET is used to access the data area and length fields of the packet.

Requirements

Minimum Supported Version (NAL)	RTX64 Network Abstraction Layer 2.0
Minimum Supported Version (RTX64)	RTX64 3.4
Header	rtnapi.h, RtNalApi.h
Library	RtNal.lib

See Also:

• RtNalConfigureQueue