參數(shù)資料
型號: PM2329
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁數(shù): 126/162頁
文件大?。?/td> 1581K
代理商: PM2329
Proprietary and Confidential to PMC-Sierra, Inc and for its Customers
Internal Use
Document ID: PMC-2010146, Issue 4
129
PM2329 ClassiPI Network Classification Processor Datasheet
Byte Count or Packet Count D-Word
Timestamp and State D-Word
User Defined Data D-Word
Byte Count
The D-Word containing Byte Count is incremented by the Byte Count for the current packet. This is
determined by the FEE header extraction. The 32-bit value will wraparound unless it is cleared
periodically by the processor. If the FEE cannot determine the Byte Count field, it is assumed to be
0
.
Packet Count
The Packet Count is incremented by 1 every time this D-Word is updated. The 32-bit value will
wraparound unless it is cleared periodically by the processor.
TCP State
This D-Word field is updated to reflect the current state of the packet.
Timestamp
This D-Word is updated with the current Timestamp value from the Timer Register in the PM2329.
User Defined Data
This field can be set to any 32-bit value. It provides a lookup mechanism for OC matches.
Note:
Updates of Byte Count and TCP State fields are valid only if a prior OC using header has been
executed.
Bit
Range
31:0
Size
32
Name
Value after
Reset
Undefined
Byte Count or Packet Count
Bit
Range
31:28
27:24
23:0
Size
4
4
24
Name
Value after
Reset
Undefined
Undefined
Undefined
(Reserved)
TCP State
Timestamp
Bit
Range
31:0
Size
32
Name
Value after
Reset
Undefined
User Defined Data
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