32/64-bit UNDI Specification
Version 1.02 12/12/00 459
// Number of packet fragment descriptors.
PXE_UINT16 FragCnt;
// Reserved, must be set to zero.
PXE_UINT16 reserved;
// Array of packet fragment descriptors. The first byte of the
// media header is the first byte of the first fragment.
struct {
// Address of this packet fragment.
PXE_UINT64 FragAddr;
// Length of this packet fragment.
PXE_UINT32 FragLen;
// Reserved, must be set to zero.
PXE_UINT32 reserved;
} FragDesc[n];
} PXE_CPB_FILL_HEADER_FRAGMENTED;
#pragma pack()
G.4.17.2 Waiting for the Command to Execute
Monitor the upper two bits (14 & 15) in the CDB.StatFlags field. Until these bits change to
report PXE_STATFLAGS_COMMAND_COMPLETE or PXE_STATFLAGS_COMMAND_FAILED,
the command has not been executed by the UNDI.
StatFlags Reason
COMMAND_COMPLETE Command completed successfully. Frame is ready to transmit.
COMMAND_FAILED Command failed. StatCode field contains error code.
COMMAND_QUEUED Command has been queued.
INITIALIZE Command has been not executed or queued.
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