Efi_Pxe_Base_Code_Callback.callback() - Intel Extensible Firmware Interface Specification

Extensible Firmware Interface Specification

14.2.1 EFI_PXE_BASE_CODE_CALLBACK.Callback()

Summary
Callback function that is invoked when the PXE Base Code Protocol is about to transmit, has
received, or is waiting to receive a packet.
Prototype
EFI_PXE_BASE_CODE_CALLBACK_STATUS
(*EFI_PXE_CALLBACK) (
IN EFI_PXE_BASE_CODE_CALLBACK
IN EFI_PXE_BASE_CODE_FUNCTION
IN BOOLEAN
IN UINT32
IN EFI_PXE_BASE_CODE_PACKET
);
Parameters
This
Function
Received
PacketLen
Packet
274
Pointer to the
EFI_PXE_BASE_CODE
The PXE Base Code Protocol function that is waiting for an event.
if the callback is being invoked due to a receive event.
TRUE
the callback is being invoked due to a transmit event.
The length, in bytes, of Packet. This field will have a value of zero if
this is a wait for receive event.
If is TRUE, a pointer to the packet that was just received;
Received
otherwise a pointer to the packet that is about to be transmitted. This
field will be if this is not a packet event.
NULL
12/12/00
*This,
Function,
Received,
PacketLen,
*Packet OPTIONAL
instance.
FALSE
Version 1.02
if