Intel Extensible Firmware Interface - page 259

PXE Base Code Protocol
Version 1.02 12/12/00 241
RouteTableEntries The number of valid entries in the current route table. This field
is reset to zero by the Start() function.
RouteTable Array of route table entries.
IcmpError ICMP error packet. This field is updated when an ICMP error is
received and is undefined until the first ICMP error is received.
This field is zero-filled by the Start() function.
TftpError TFTP error packet. This field is updated when a TFTP error is
received and is undefined until the first TFTP error is received.
This field is zero-filled by the Start() function.
//*******************************************************
// EFI_PXE_BASE_CODE_UDP_PORT
//*******************************************************
typedef UINT16 EFI_PXE_BASE_CODE_UDP_PORT;
//*******************************************************
// EFI_IPv4_ADDRESS and EFI_IPv6_ADDRESS
//*******************************************************
typedef struct {
UINT8 Addr[4];
} EFI_IPv4_ADDRESS;
typedef struct {
UINT8 Addr[16];
} EFI_IPv6_ADDRESS;
//*******************************************************
// EFI_IP_ADDRESS
//*******************************************************
typedef union {
UINT32 Addr[4];
EFI_IPv4_ADDRESS v4;
EFI_IPv6_ADDRESS v6;
} EFI_IP_ADDRESS;
//*******************************************************
// EFI_MAC_ADDRESS
//*******************************************************
typedef struct {
UINT8 Addr[32];
} EFI_MAC_ADDRESS;