User's Manual

228 APCD-LM043-4.0
MAC Interface Statistics
MAC Interface Statistics present operational information about data which is processed by the
CCU and EUM MAC layer. These statistics are described in Ta ble 87.
As noted in Ta ble 87, most of the MAC interface statistics are available in a WaveRider MIB.
Table87 MACInterfaceStatistics
Statistic
Available
in MIB
Description (see note 2)
Rx Data Payloads
3
Number of data payloads received correctly
from the air interface.
Rx Ctrl Payloads
3
Number of control payloads received correctly
from the air interface.
Rx Payload Fail Invalid
Type
3
Number of times an unknown type of payload
was received from the air interface.
Rx Payload Fail Giant
3
Number of times a payload that was too long
was received from the air interface, and
therefore discarded.
Null Rx Descriptors
3
Number of times the internal MAC receive
interface was corrupted.
Tx Data Payloads
3
Number of data payloads transmitted to the air
interface.
Tx Ctrl Payloads
3
Number of control payloads transmitted to the
air interface.
Tx Payload Fail Invalid
Type
3
Number of times a payload of an unknown
type was discarded.
Tx Payload Fail Giant
3
Number of times a payload that was too long
was discarded.
Tx Payload Fail Invalid
Desc
3
Number of times the internal MAC transmit
interface was corrupted.
Atmel Tx Buffer full on
arrival
3
Number of transmit packets that were queued
for delivery.
Command Time Outs
3
Number of times the MAC-layer management
message was incomplete.
Command Missed IRQs
3
Number of times there was no response to the
MAC-layer management message.
False Command IRQs
3
Number of times a command failed because
the previous command was still being
processed.
Command Status Errors
3
Number of times the MAC-layer management
message was rejected.