ibm3206k0424 ETC-unknow, ibm3206k0424 Datasheet - Page 78

• Manufacturer Part Number: ibm3206k0424
• Description: Ibm Processor For Network Resources
• Manufacturer: ETC-unknow

IBM3206K0424
IBM Processor for Network Resources
Transmit Data Structure Linkage
Receive LCD Data Structure and Modes
The format of the receive LCD structure depends on which AAL is being configured and which options are
used. It is also dependent on if TCP/IP checksum verification has been enabled. When TCP/IP checksum
verification is enabled, 16 additional bytes are added to the LCD format. TCP/IP checksum is enabled in the
REASM Mode Register. The following are the basic layouts of the receive LCD:
Packet Header
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Packet Buffer
Packet Buffer
Head Pointer
Next LCD@
Tail Pointer
Header
Header
Packet
Packet
LC CB
Packet
Packet
Data
Data
Packet Buffer
Head Pointer
Packet Buffer
Head Pointer
Next LCD@
Next LCD@
Tail Pointer
Tail Pointer
Header
Packet
Packet
Header
LC CB
Packet
Packet
LC CB
Data
Data
Packet Buffer
Head Pointer
Packet Buffer
Next LCD@
Tail Pointer
Header
Header
LC CB
Packet
Packet
Packet
Packet
Data
Data
pnr25.chapt03.01
August 14, 2000
Preliminary