參數(shù)資料
型號: MESC-ST1
廠商: Lineage Power
英文描述: Enhanced Services Controller,Statistics Monitor - 65535 Connections(可統(tǒng)計(jì)檢測65535個(gè)連接的增強(qiáng)型服務(wù)控制器)
中文描述: 增強(qiáng)服務(wù)控制器,統(tǒng)計(jì)監(jiān)測- 65535連接(可統(tǒng)計(jì)檢測65535個(gè)連接的增強(qiáng)型服務(wù)控制器)
文件頁數(shù): 14/31頁
文件大?。?/td> 182K
代理商: MESC-ST1
August 2000
MESC_ST1
MACRO
Data Sheet
Logic Design Solutions
14/28
Field
Word
4
26
23
30
Bits
15:13
15:13
15:13
15:13
IE_VPCT[2:0]
ID_VPCT[2:0]
EE_VPCT[2:0]
ED_VPCT[2:0]
IE_VCCT[2:0]
ID_VCCT[2:0]
EE_VCCT[2:0]
ED_VCCT[2:0]
This is the VP or VC cell type. Only user cells will be counted, ie. VPCT = 001 when S = 1, or VCCT = 001 when S = 0.
4
26
23
30
12:10
12:10
12:10
12:10
Field
IE_CLP
ID_ CLP
EE_ CLP
ED_ CLP
Word
3
26
31
30
Bits
0
9
9
9
This is the Cell Loss Priority bit, which is also carried in the cell header. This is required when maintaining counts for CLP0 and
CLP1 cells individually.
Field
Word
4
1
Bits
4:0
4:0
IE_LUX1[4:0]
ED_DestSubport[4:0]
This indicates the Utopia port from which a cell is received on Ingress, or transmitted on Egress. This field is required when
maintaining the per Utopia Port statistics.
Field
Word
24
24
31
31
Bits
15:12
11:8
9:7
6:4
IE_OpCode[3:0]
IE_ErrCode[3:0]
EE_OpCode[2:0]
EE_ErrCode[2:0]
This is the Enqueue Operation Code and Error Code. IE_OpCode = 0000 and EE_OpCode = 000 indicate a regular operation.
IE_ErrCode = 0000 and EE_ErrCode = 000 indicate a valid cell.
Field
Word
24
Bits
6:4
IE_PolAct[2:0]
This is the Ingress Enqueue Policing Action, based on the GCRA algorithm, if enabled for a given connection. The result can be
to either PASS (= 000), TAG (= 001), or DROP (= 010) a cell. To tag a cell means to change the CLP from 0 to 1.
Field
Word
24
31
Bits
3:0
3:0
IE_BMAct[3:0]
EE_
BMAct [3:0]
This is the Ingress or Egress Buffer Management decision made when enqueueing a cell. These fields will be used when
determining cells dropped, and also frames dropped due to PPD or EPD operation.
Please refer to APC version 3 data sheet to get more detail.
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