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Hardware Accessed Words — Intel
®
82575EB Gigabit Ethernet Controller
324632-003 Intel
®
82575EB Gigabit Ethernet Controller
Revision: 2.1 Software Developer’s Manual and EEPROM Guide
January 2011 79
Reserved 34 Reserved for future use.
BELOW FIELDS ARE
PER PORT.
Flags 2 Bit 00h Enable DHCP
0 – Use static configurations from this structure
1 – Overrides configurations retrieved from DHCP.
Bit 01h Enable DHCP for getting iSCSI target information.
0 – Use static target configuration
1 – Use DHCP to get target information by the Option 17 Root Path.
Bit 02h – 03h Authentication Type
00 – none
01 – one way chap
02 – mutual chap
Bit 04h – 05h Ctrl-D setup menu
00 – enabled
03 – disabled, skip Ctrl-D entry
Bit 06h – 07h Reserved
Bit 08h – 09h ARP Retries
Retry value
Bit 0Ah – 0Fh ARP Timeout
Timeout value for each try
Initiator IP 4 Initiator DHCP flag;
not set This field should contain the initiator IP address.
set this field is ignored.
Subnet Mask 4 Initiator DHCP flag;
not set This field should contain the subnet mask.
set this field is ignored.
Gateway IP 4 Initiator DHCP flag;
not set This field should contain the gateway IP address.
set If DHCP bit is set this field is ignored.
Boot LUN 2 Target DHCP flag;
not set iSCSI target LUN number should be specified.
set this field is ignored.
Target IP 4 Target DHCP flag;
not set IP address of iSCSI target.
set this field is ignored.
Target Port 2 Target DHCP flag;
not set TCP port used by iSCSI target. Default is 3260.
set this field is ignored.
Target Name 255 + 1 Target DHCP flag;
not set iSCSI target name should be specified.
set this field is ignored.
CHAP Password 16 + 2 The minimum CHAP secret must be 12 octets and maximum CHAP secret size is
16. The last 2 bytes are null alignment padding.
CHAP User Name 127 + 1 The user name must be non-null value and maximum size of user name allowed
is 127 characters.