Data Sheet

Flash Map—Ethernet Controller I210
239
Configuration Item
Offset
(Bytes)
Size in
Bytes
Comments
Boot Signature 0x1:0x0 2 0x5369 (‘i’, ‘S’)
Block Size 0x3:0x2 2
The structure size is stored in this field and is set depending on the
amount of free Flash space available. The total size of this structure,
including variable length fields, must fit within this space.
0x0384 - single port.
Structure Version 0x4 1 Version of this structure. Should be set to one.
Reserved 0x5 1 Reserved for future use, should be set to zero.
iSCSI Initiator Name 0x105:0x6 255 + 1
iSCSI Initiator Name
This field is optional and can also be built by DHCP.
iSCSI Configuration Block
0x107:0x106 2
Bits 15:8 (Major) - Combo image major version.
Bits 7:0 (Build) - Combo image build number (15:8).
0x109:0x108 2
Bits 15:8 (Build) - Combo image build number (7:0).
Bits 7:0 (Minor) - Combo image minor version.
Reserved 0x127:0x10A 30 Reserved for future use, should be set to zero.
The following fields are for the port
iSCSI Flags 0x129:0x128 2
Bit 0  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.
Bit 0x02:0x03  Authentication Type:
00 = None.
01 = One way chap.
02 = Mutual chap.
Bit 0x04:0x05  Ctrl-D setup menu:
00 = enabled.
03 = disabled.
Bit 0x06:0x07  Reserved.
Bit 0x08:0x09  ARP Retries.
Retry value:
Bit 0x0A:0x0F  ARP Timeout.
Timeout value for each retry.
iSCSI Initiator IP 0x12D:0x12A 4
DHCP flag not set  This field should contain the configured IP address.
DHCP flag set  If DHCP bit is set this field is ignored.
Initiator Subnet Mask 0x131:0x12E 4
DHCP flag not set  This field should contain the configured subnet
mask.
DHCP flag set  If DHCP bit is set this field is ignored.
Initiator Gateway IP 0x135:0x132 4
DHCP flag not set  This field should contain the configured gateway
DHCP flag set  If DHCP bit is set this field is ignored.
iSCSI Boot LUN 0x137:0x136 2
DHCP flag not set  Target LUN that Initiator will be attached to.
DHCP flag set  If DHCP bit is set this field is ignored.
iSCSI Target IP 0x13B:0x138 4
DHCP flag not set  IP address of iSCSI target.
DHCP flag set  If DHCP bit is set this field is ignored.
iSCSI Target Port 0x13D:0x13C 2
DHCP flag not set  IP port of iSCSI target. Default is 3260.
DHCP flag set
 If DHCP bit is set this field is ignored
iSCSI Target Name 0x23D:0x13E 255 + 1 DHCP flag set  If DHCP bit is set this field is ignored
CHAP Password 0x24F:0x23E 16 + 2
The minimum CHAP secret must be 12 octets and maximum CHAP
secret size is 16. 1 byte is reserved for alignment padding and 1 byte
for null.