Intel Extensible Firmware Interface - Manual (Page 232)

Extensible Firmware Interface Specification
8-12 12/01/02 Version 1.10
8.3.4.7 I
2
O Device Path
Table 8-16. I
2
O Device Path
Mnemonic Byte
Offset Byte
Length
Description
Type 0 1 Type 3 – Messaging Device Path
Sub-Type 1 1 Sub-Type 6 – I2O Random Block Storage Class
Length 2 2 Length of this structure in bytes. Length is 8 bytes.
TID 4 4 Target ID (TID) for a device
8.3.4.8 MAC Address Device Path
Table 8-17. MAC Address Device Path
Mnemonic Byte
Offset Byte
Length
Description
Type 0 1 Type 3 – Messaging Device Path
Sub-Type 1 1 Sub-Type 11 – MAC Address for a network interface
Length 2 2 Length of this structure in bytes. Length is 37 bytes.
MAC Address 4 32 The MAC address for a network interface padded with 0s
IfType 36 1 Network interface type(i.e. 802.3, FDDI). See RFC 1700
8.3.4.9 IPv4 Device Path
Table 8-18. IPv4 Device Path
Mnemonic Byte
Offset Byte
Length
Description
Type 0 1 Type 3 – Messaging Device Path
Sub-Type 1 1 Sub-Type 12 – IPv4
Length 2 2 Length of this structure in bytes. Length is 19 bytes.
Local IP Address 4 4 The local IPv4 address
Remote IP Address 8 4 The remote IPv4 address
Local Port 12 2 The local port number
Remote Port 14 2 The remote port number
Protocol 16 2 The network protocol(i.e. UDP, TCP). See RFC 1700
StaticIPAddress 18 1 0x00 - The Source IP Address was assigned though DHCP
0x01 - The Source IP Address is statically bound