Dialogic DSI SPCI Network Interface Boards Specifikace stáhnout pdf (Strana 68)

4 Message Reference

4.5.2 LIU_MSG_R_STATS - LIU Read Statistics Request

Synopsis

Message used to read back performance statistics associated with a Line Interface Unit

(LIU).

Format

MESSAGE HEADER

Field Name

Meaning

type

LIU_MSG_R_STATS (0x5e36)

liu_id (in the range 0 to one less than the number of LIUs)

src

Sending module ID

dst

MVD_module_ID

rsp_req

Used to request a confirmation.

hclass

status

0 to read statistics

1 to read statistics and reset counters

err_info

len

PARAMETER AREA

Offset

Size

Name

version

Reserved. Must be set to 0.

duration

bit_errors

code_violations

frame_slips

oos_transitions

errored_seconds

severely_errored_seconds

prbs_status

Reserved. Must be set to 0.

Description

This message is used to collect performance statistics for a given Line Interface Unit

(LIU). A module requesting LIU statistic information is required to complete the

version parameter of the message, request a response, and set all additional

parameter values to zero.

The confirmation message shall feature a non-zero status in the event of an error. In

the event of successful retrieval of information, the message parameter field shall

contain LIU information as specified in the message format. The statistics can either be

read and left unchanged, or read and reset in a single operation depending on the

setting of the status field in the request message.

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