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Intel
®
IXP42X product line and IXC1100 control plane processors—AHB Queue Manager (AQM)
Intel
®
IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
DM September 2006
564 Order Number: 252480-006US
21.5.4 Queues 32-63 Nearly Empty Status Register
The access to these status registers is read/write, however except for diagnostic and
test purposes, normal operation to these registers should be read only. Writing status
does not actually change the status, it only writes the shadow register which contains
the status.
21.5.5 Queues 32-63 Full Status Register
The access to these status registers is read/write, however except for diagnostic and
test purposes, normal operation to these registers should be read only. Writing status
does not actually change the status, it only writes the shadow register which contains
the status.
Register Name: QUEUOSTAT (0 <= n <=1)
Physical Address:
Queue #n 0x(0410 + 4n)
Reset Hex Value: 0x00000000
Register Description:
Queue underflow/overflow status register for the queues 0-31. OF/UF: ‘1’ – Overflow/Underflow
has occurred
Access: Read/Write
3
1
2
4
2
3
1
6
1
5
87 0
Queue (16n + 15)
Queue (16n + 14)
Queue (16n + 13)
Queue (16n + 12)
Queue (16n + 11)
Queue (16n + 10)
Queue (16n + 9)
Queue (16n + 8)
Queue (16n + 7)
Queue (16n + 6)
Queue (16n + 5)
Queue (16n + 4)
Queue (16n + 3)
Queue (16n + 2)
Queue (16n + 1)
Queue (16n)
Register Name: QUEUPPSTATNE
Physical Address:
0x0418
Reset Hex Value: 0xFFFFFFFF
Register Description: Queue status register for queues 32-63. NE: ‘1’ – flag set
Access: Read/Write
3
1
1
6
1
5
87 0
Q63 NE
Q62 NE
Q61 NE
Q60 NE
Q59 NE
Q58 NE
Q57 NE
Q56 NE
Q55 NE
Q54 NE
Q53 NE
Q52 NE
Q51 NE
Q50 NE
Q49 NE
Q48 NE
Q47 NE
Q46 NE
Q45 NE
Q44 NE
Q43 NE
Q42 NE
Q41 NE
Q40 NE
Q39 NE
Q38 NE
Q37 NE
Q36 NE
Q35 NE
Q34 NE
Q33 NE
Q32 NE