Intel Extensible Firmware Interface - Page 414

Extensible Firmware Interface Specification
396 12/12/00 Version 1.02
// Enable receive interrupts. An external interrupt will be
// generated after a complete non-error packet has been received.
#define PXE_OPFLAGS_INTERRUPT_RECEIVE 0x0001
// Enable transmit interrupts. An external interrupt will be
// generated after a complete non-error packet has been
// transmitted.
#define PXE_OPFLAGS_INTERRUPT_TRANSMIT 0x0002
// Enable command interrupts. An external interrupt will be
// generated when command execution stops.
#define PXE_OPFLAGS_INTERRUPT_COMMAND 0x0004
// Generate software interrupt. Setting this bit generates an
// externalinterrupt, if it is supported by the hardware.
#define PXE_OPFLAGS_INTERRUPT_SOFTWARE 0x0008
//*******************************************************
// UNDI Receive Filters
//*******************************************************
// Select whether to enable or disable receive filters.
// Setting both enable and disable will return
// PXE_STATCODE_INVALID_OPCODE.