Intel Extensible Firmware Interface - Manual (Page 953)

32/64-Bit UNDI Specification
Version 1.10 12/01/02 E-87
Fragmented Frame
#pragma pack(1)
typedef struct s_pxe_cpb_transmit_fragments {
// Length of packet data in bytes (not including the media
// header).
PXE_UINT32 FrameLen;
// Length of the media header in bytes.
PXE_UINT16 MediaheaderLen;
// Number of packet fragment descriptors.
PXE_UINT16 FragCnt;
// Array of frame fragment descriptors. The first byte of the
// first fragment is also the first byte of the media header.
struct {
// Address of this frame fragment. This address must be a
// processor-based address for S/W UNDI and a device-based
// address for H/W UNDI.
PXE_UINT64 FragAddr;
// Length of this frame fragment.
PXE_UINT32 FragLen;
// Reserved, must be set to zero.
PXE_UINT32 reserved;
} FragDesc[n];
} PXE_CPB_TRANSMIT_FRAGMENTS;
#pragma pack()