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Extensible Firmware Interface Specification
E-72 12/01/02 Version 1.10
E.4.13.3 Checking Command Execution Results
After command execution completes, either successfully or not, the CDB.StatCode field
contains the result of the command execution.
StatCode Reason
SUCCESS Command completed successfully. DB is written.
INVALID_CDB One of the CDB fields was not set correctly.
BUSY UNDI is already processing commands. Try again later.
QUEUE_FULL Command queue is full. Try again later.
NOT_STARTED The UNDI is not started.
NOT_INITIALIZED The UNDI is not initialized.
UNSUPPORTED This command is not supported.
DB
Unsupported statistics counters will be zero filled by UNDI.
typedef struct s_pxe_db_statistics {
// Bit field identifying what statistic data is collected by
// the UNDI/NIC.
// If bit 0x00 is set, Data[0x00] is collected.
// If bit 0x01 is set, Data[0x01] is collected.
// If bit 0x20 is set, Data[0x20] is collected.
// If bit 0x21 is set, Data[0x21] is collected.
// Etc.
PXE_UINT64 Supported;
// Statistic data.
PXE_UINT64 Data[64];
} PXE_DB_STATISTICS;
// Total number of frames received. Includes frames with errors
// and dropped frames.
#define PXE_STATISTICS_RX_TOTAL_FRAMES 0x00
// Number of valid frames received and copied into receive
// buffers.
#define PXE_STATISTICS_RX_GOOD_FRAMES 0x01
// Number of frames below the minimum length for the media.
// This would be <64 for ethernet.
#define PXE_STATISTICS_RX_UNDERSIZE_FRAMES 0x02