Specifications

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DSI SS7HD Network Interface Boards Programmer's Manual Issue 11
117
4.6.5 DVR_MSG_R_L1_STATS - Link Statistics Request
Synopsis
Retrieve link statistics.
Format
MESSAGE HEADER
Field Name
Meaning
type
DVR_MSG_R_L1_STATS (0x6136)
id
l1_llid
src
Sending module ID
dst
module_id of on-board HDLC/SS7 driver (note this is different for each
of the on-board signaling processors):
• DVR_SP0_TASK_ID
• DVR_SP1_TASK_ID
• DVR_SP2_TASK_ID
• DVR_SP3_TASK_ID
rsp_req
Used to request a confirmation, sending layer’s bit must be set.
hclass
0
status
0 – Read statistics
1 – Read statistics and reset
err_info
0
len
48
PARAMETER AREA
Offset
Size
Name
0
4
duration
4
4
abort_cnt
8
4
CRC_errs
12
4
misaligned_frames
16
4
length_errs
20
4
rx_overrun
24
4
receiver_busy_cnt
28
4
rx_frame_cnt
32
4
rx_pre_filter_cnt
36
4
tx_frame_cnt
40
4
rx_pool_cnt
44
4
rx_busy_status
Description
This message provides the user with a number of statistics on a per link basis. If the
user sends the message with a non zero status field, the statistics are reset to zero
after being read.
Parameters
The DVR_MSG_R_L1_STATS message includes the following parameters: