Intel Extensible Firmware Interface - Page 415

32/64-bit UNDI Specification
Version 1.02 12/12/00 397
#define PXE_OPFLAGS_RECEIVE_FILTER_OPMASK 0xC000
#define PXE_OPFLAGS_RECEIVE_FILTER_ENABLE 0x8000
#define PXE_OPFLAGS_RECEIVE_FILTER_DISABLE 0x4000
#define PXE_OPFLAGS_RECEIVE_FILTER_READ 0x0000
// To reset the contents of the multicast MAC address filter list,
// set this OpFlag:
#define PXE_OPFLAGS_RECEIVE_FILTERS_RESET_MCAST_LIST 0x2000
// Enable unicast packet receiving. Packets sent to the current
// station MAC address will be received.
#define PXE_OPFLAGS_RECEIVE_FILTER_UNICAST 0x0001
// Enable broadcast packet receiving. Packets sent to the
// broadcast MAC address will be received.
#define PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST 0x0002
// Enable filtered multicast packet receiving. Packets sent to
// anyof the multicast MAC addresses in the multicast MAC address
// filter list will be received. If the filter list is empty, no
// multicast
#define PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST 0x0004