cn8236 Mindspeed Technologies, cn8236 Datasheet - Page 363

• Manufacturer Part Number: cn8236
• Description: Atm Servicesar Plus With Xbr Traffic Management
• Manufacturer: Mindspeed Technologies

CN8236
ATM ServiceSAR Plus with xBR Traffic Management
15.1.3 Segmentation SAR Shared Memory Control Structures
28236-DSH-001-B
Table 15-3. Table of Values for Segmentation SAR Shared Memory Initialization (1 of 2)
SEG VCC Table Entry
0 – (Words 0 – 6)
SEG Buffer Descriptors
SEG Transmit Queue
Entries
Table
PM_INDEX
LAST_PNTR
ATM_HEADER
CRC_REM
BETAG
SN
MID
STM_MODE
STAT
PM_EN
CURR_PNTR
VPC
GFR_PRI
SCH_MODE
PRI
SCH_OPT
Reserved
VLD
LINK_HEAD
FND_CHAIN
SEG_BD_PNTR
Reserved
Before segmentation is enabled, the host must allocate and initialize all of the
segmentation SAR-shared memory control structures.
initialized values for each field.
Field
Mindspeed Technologies
0x00100100
0xFFFF_FFFF
Initialized
Value
0x0
0x0
0x2
0x0
0x2
0x4
0x3
0x0
0x0
0x0
0
0
5
0
1
0
1
0
0
0
PM table index = 0.
Must be initialized to 0.
ATM Header, VPI = 0x1, VCI = 0x10.
Must be initialized to 0xFFFF_FFFF for AAL5
channels.
First AAL3/4 BTag/ETag pair is 0.
First AAL3/4 SN = 0.
AAL3/4 MID = 5.
Status Message Mode enabled.
Channel uses status queue 2.
PM OAM processing enabled.
Must be initialized to 0.
VCC connection.
GFR UBR priority is 2.
Channel configured for VBR traffic.
Schedule priority is 3.
Send maximum burst.
Must be initialized to 0.
(No initialization required.)
Must be initialized to 0.
Must be initialized to 0.
Must be initialized to 0.
Must be initialized to 0.
Must be initialized to 0.
™
15.0 SAR Initialization—Example Tables
15.1 Segmentation Initialization
Table 15-3
Notes
lists the
15-3