28236-DSH-001-B Datasheet, PDF (245/443 Pages) M/A-COM Technology Solutions, Inc. – ATM ServiceSAR Plus with xBR Traffic Management

CN8236
ATM ServiceSAR Plus with xBR Traffic Management
7.0 OAM Functions
7.5 OAM Control and Status Structures
7.5 OAM Control and Status Structures
Refer to Section 4.3 and Section 5.7 for information on VCC Tables, buffer
descriptors, the transmit queue, and status queues, as they apply to generating and
processing OAM cells.
The base address of the SEG_PM table is given by the SEG_PMB field in the
SEG_PMBASE register. The address of each entry is located at byte address,
SEG_PMB × 128 + (PM_INDEX) × 32.
The RSM_PM table is located above the LECID table, which is located above
the VPI table. The address of each entry is located at byte address,
if RSM_CTRL0(VPI_MASK)
RSM_ITB × 128 + 1024 + 64 + (PM_INDEX) × 16
else
RSM_ITB × 128 + 16384 + 64 + (PM_INDEX) × 16
7.5.1 SEG_PM Structure
Tables 7-6 and 7-7 describe the structure and field definitions of the SEG_PM
table.
Table 7-6. SEG_PM Structure
Word 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0
ATM_HEADER
1
FWD_TUC0
FWD_TUC01
2
Rsvd
BLOCK_COUNT
BIP
3
Reserved
BLER
BCK_MSN
FWD_MSN
4
BCK_TUC0
BCK_TUC01
5
TRCC0
TRCC01
6
Reserved
7
Reserved
28236-DSH-001-B
Mindspeed Technologies™
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