Intel Extensible Firmware Interface - Manual (Page 643)

Protocols — Network Support
Version 1.10 12/01/02 15-37
//*******************************************************
// EFI_PXE_BASE_CODE_PACKET
//*******************************************************
typedef union {
UINT64 Alignment;
UINT8 Raw[1472];
EFI_PXE_BASE_CODE_DHCPV4_PACKET Dhcpv4;
// EFI_PXE_BASE_CODE_DHCPV6_PACKET Dhcpv6;
} EFI_PXE_BASE_CODE_PACKET;
//*******************************************************
// EFI_PXE_BASE_CODE_ICMP_ERROR
//*******************************************************
typedef struct {
UINT8 Type;
UINT8 Code;
UINT16 Checksum;
union {
UINT32 reserved;
UINT32 Mtu;
UINT32 Pointer;
struct {
UINT16 Identifier;
UINT16 Sequence;
} Echo;
} u;
UINT8 Data[494];
} EFI_PXE_BASE_CODE_ICMP_ERROR;
//*******************************************************
// EFI_PXE_BASE_CODE_TFTP_ERROR
//*******************************************************
typedef struct {
UINT8 ErrorCode;
CHAR8 ErrorString[127];
} EFI_PXE_BASE_CODE_TFTP_ERROR;