Specifications

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DSI SS7MD Network Interface Boards Programmer's Manual Issue 4
61
4.5.2 ATM_MSG_CFG_STREAM - ATM Cell Stream Configuration
Synopsis
Message used to configure an ATM cell stream.
Format
MESSAGE HEADER
Field Name
Meaning
type
ATM_MSG_CFG_STREAM (0x7261)
id
Cell Stream ID
src
Management module ID
dst
ATM_module_ID
rsp_req
Used to request a confirmation.
hclass
0
status
Message status code
err_info
0
len
22
PARAMETER AREA
Offset
Size
Name
0
2
options
2
2
ima_frame_len
4
2
max_frame_len
6
2
default_vpi
8
2
default_vci
10
2
tdm_stream
12
4
tdm_timeslots
16
1
mgmt_id
17
2
upper_stream_id
19
3
Reserved. Set to 0.
Description
Processed by the module (once a module configuration message has been correctly
processed) to configure and activate an ATM cell stream (whether single TDM or IMA
bundle).
For the configuration of IMA bundles, TDM resources cannot be dynamically added or
removed from an active IMA bundle. To increase the bandwidth available via an IMA
bundle, the bundle should be be removed and re-added.
The confirmation message (if requested) indicates success with a status value of 0.
Cell Stream ID
The logical Cell Stream ID from the ATM module's perspective
Parameters
The ATM_MSG_CFG_STREAM message includes the following parameters: