Released
Datasheet
PM73487 QRT
PMC-Sierra, Inc.
PMC-980618
Issue 3
622 Mbps ATM Traffic Management Device
9.3.2 Multicast Control Block
Base address:400000h (1000000h byte)
Index:10h
Entry number (refer to “CH_RAM_CONFIG” on page 105):
For CH_RAM_CONFIG = 0h, the entry number is from 0 to 8191.
For CH_RAM_CONFIG = 1h, the entry number is from 0 to 16385.
For CH_RAM_CONFIG = 2h, the entry number is from 0 to 32767.
For CH_RAM_CONFIG = 3h, the entry number is from 0 to 65534.
NOTE: The entry numbers listed above refer to a block of four words. Table 41 describes how four entries
fit into the space of one Channel Control Block (CCB). Each block of 16 words can be used for
either one CCB or four multicast control blocks.
Type: Read/Write
When multicasting in either direction, the long address = 400000h +
TX_CH_NEXT_MC_HEADER_PTR × 4h
(Refer to “MC_HEADER_PTR” on page 177).
Table 41. Multicast Control Block Summary
Byte
Address
Long
Offset
Read or
Write
Name
Description
Multicast linked list.
0h
4h
0h
1h
MC_LIST
R/W
R/W
R/W
MC_NEW_VPI_VCI
Not used
Multicast VPI/VCI to which you want to translate.
8h-Ch
2-3h
Write with a 0 to maintain software compatibility
with future versions.
10h
14h
4h
5h
MC_LIST
R/W
R/W
R/W
Multicast linked list.
MC_NEW_VPI_VCI
Not used
Multicast VPI/VCI to which you want to translate.
18h-1Ch
6-7h
Write with a 0 to maintain software compatibility
with future versions.
20h
24h
8h
9h
MC_LIST
R/W
R/W
R/W
Multicast linked list.
MC_NEW_VPI_VCI
Not used
Multicast VPI/VCI to which you want to translate.
28h-2Ch
A-Bh
Write with a 0 to maintain software compatibility
with future versions.
30h
34h
Ch
Dh
MC_LIST
R/W
R/W
R/W
Multicast linked list.
MC_NEW_VPI_VCI
Not used
Multicast VPI/VCI to which you want to translate.
38h-3Ch
E-Fh
Write with a 0 to maintain software compatibility
with future versions.
194
PMC [ PMC-SIERRA, INC ]
