80 N8140 1 E WCNSS Android Config Guide

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WCNSS Android Configuration Guide

May 2013

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80-N8140-1 Rev. E

Submit technical questions at:
https://support.cdmatech.com

Confidential and Proprietary – Qualcomm Atheros, Inc.
NO PUBLIC DISCLOSURE PERMITTED: Please report postings of this document on public servers or websites to:
DocCtrlAgent@qualcomm.com.
Restricted Distribution: Not to be distributed to anyone who is not an employee of either Qualcomm or its subsidiaries without
the express approval of Qualcomm's Configuration Management.
Not to be used, copied, reproduced, or modified in whole or in part, nor its contents revealed in any manner to others without the
express written permission of Qualcomm Atheros, Inc.
Qualcomm is a registered trademark of QUALCOMM Incorporated. Atheros is a registered trademark of Qualcomm Atheros,
Inc. All other registered and unregistered trademarks are the property of QUALCOMM Incorporated, Qualcomm Atheros, Inc.,
or their respective owners and used with permission. Registered marks owned by QUALCOMM Incorporated and Qualcomm
Atheros, Inc. are registered in the United States and may be registered in other countries.
This technical data may be subject to U.S. and international export, re-export, or transfer (“export”) laws. Diversion contrary to
U.S. and international law is strictly prohibited.

Qualcomm Atheros, Inc.
1700 Technology Drive
San Jose, CA 95110
U.S.A.
© 2011-2013 Qualcomm Atheros, Inc.

Revision history
Revision

Date

A

Nov 2011

Description
Initial release

Feb 2012

Updated Section 2.2 and Appendix A

Jun 2012

Updated Table 2-1, Appendix A, and added Table 2-3

D

Dec 2012

Updated Table 2-1

E

May 2013

Added and modified config params

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80-N8140-1 Rev. E

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Contents

1 Introduction...................................................................................................... 7

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1.1 Purpose.......................................................................................................................... 7
1.2 Scope............................................................................................................................. 7
1.3 Conventions .................................................................................................................. 7
1.4 References..................................................................................................................... 7
1.5 Technical assistance ...................................................................................................... 8
1.6 Acronyms ...................................................................................................................... 8

2 System Configuration ..................................................................................... 9
2.1 General params ............................................................................................................. 9
2.1.1 BandCapability .................................................................................................. 9
2.1.2 gEnableCloseLoop............................................................................................. 9
2.1.3 gChannelBondingMode5GHz ........................................................................... 9
2.1.4 EnableSuspend................................................................................................... 9
2.1.5 gDot11Mode .................................................................................................... 10
2.1.6 gRoamIntraBand .............................................................................................. 12
2.1.7 gFixedRate ....................................................................................................... 12
2.1.8 gTxPowerCap .................................................................................................. 13
2.1.9 g11dSupportEnabled........................................................................................ 13
2.1.10 InfraUapsdVoSrvInTv ................................................................................... 13
2.1.11 InfraUapsdViSrvInTv .................................................................................... 13
2.1.12 InfraUapsdBeSrvInTv.................................................................................... 13
2.1.13 InfraUapsdBkSrvInTv ................................................................................... 13
2.1.14 gNumRxAnt ................................................................................................... 14
2.1.15 gNthBeaconFilter........................................................................................... 14
2.1.16 gShortGI20Mhz ............................................................................................. 14
2.1.17 gShortGI40Mhz ............................................................................................. 14
2.1.18 isAndroidPsEn ............................................................................................... 14
2.1.19 g11hSupportEnabled...................................................................................... 14
2.1.20 ImplicitQosIsEnabled .................................................................................... 15
2.1.21 gEnableLogp .................................................................................................. 15
2.1.22 gStaKeepAlivePeriod .................................................................................... 15
2.1.23 gEnableAutomaticTxPowerControl............................................................... 15
2.1.24 isP2pDeviceAddrAdministrated .................................................................... 15
2.2 Power save .................................................................................................................. 15
2.2.1 gEnableImps .................................................................................................... 15
2.2.2 gEnableBmps ................................................................................................... 16
2.2.3 gImpsModSleepTime ...................................................................................... 16
2.2.4 gEnableModulatedDTIM ................................................................................. 16
2.2.5 gEnableDynamicDTIM ................................................................................... 16
2.2.6 gTelescopicBeaconWakeupEn ........................................................................ 16
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WCNSS Android Configuration Guide

Contents

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2.2.7 telescopicBeaconTransListenInterval .............................................................. 16
2.2.8 telescopicBeaconTransListenIntervalNumIdleBcns ........................................ 16
2.2.9 telescopicBeaconMaxListenInterval................................................................ 17
2.2.10 telescopicBeaconMaxListenIntervalNumIdleBcns ....................................... 17
2.2.11 enableBeaconEarlyTermination..................................................................... 17
2.2.12 beaconEarlyTerminationWakeInterval .......................................................... 17
2.2.13 gDataInactivityTimeout ................................................................................. 17
2.3 SoftAP......................................................................................................................... 18
2.3.1 gEnableApProt................................................................................................. 18
2.3.2 gEnableApOBSSProt....................................................................................... 18
2.3.3 gEnableApUapsd ............................................................................................. 19
2.3.4 gAPAutoShutOff ............................................................................................. 19
2.3.5 gEnablePhyAgcListenMode ............................................................................ 19
2.3.6 gDisableIntraBssFwd....................................................................................... 20
2.3.7 gAPCntryCode................................................................................................. 20
2.4 Channel range and auto channel selection .................................................................. 20
2.4.1 gApAutoChannelSelection .............................................................................. 20
2.4.2 gAPChannelSelectStartChannel ...................................................................... 20
2.4.3 gAPChannelSelectEndChannel ....................................................................... 20
2.4.4 gAPChannelSelectOperatingBand ................................................................... 20
2.5 Virtual STA support (32 STAs) .................................................................................. 21
2.5.1 gEnableVSTASupport ..................................................................................... 21
2.6 TDLS .......................................................................................................................... 21
2.6.1 gEnableTDLSSupport...................................................................................... 21
2.6.2 gEnableTDLSImplicitTrigger.......................................................................... 21
2.6.3 gTDLSTxStatsPeriod....................................................................................... 21
2.6.4 gTDLSTxPacketThreshold .............................................................................. 21
2.6.5 gTDLSDiscoveryPeriod .................................................................................. 22
2.6.6 gTDLSMaxDiscoveryAttempt......................................................................... 22
2.6.7 gTDLSRxIdleTimeout ..................................................................................... 22
2.6.8 gTDLSIdlePacketThreshold ............................................................................ 22
2.6.9 gTDLSRssiHysteresis ...................................................................................... 22
2.6.10 gTDLSRSSITriggerThreshold ....................................................................... 23
2.6.11 gTDLSRSSITeardownThreshold................................................................... 23
2.7 Packet filtering ............................................................................................................ 23
2.7.1 mcastBcastFilter .............................................................................................. 23
2.7.2 hostArpOffload ................................................................................................ 23
2.7.3 isMcAddrListFilter .......................................................................................... 23
2.7.4 gEnableActiveModeOffload ............................................................................ 24
2.8 Scanning...................................................................................................................... 24
2.8.1 gEnableDFSChnlScan ..................................................................................... 24
2.9 BTCoex ....................................................................................................................... 24
2.9.1 BtcExecutionMode .......................................................................................... 24
2.9.2 BtcConsBtSlotToBlockDuringDhcp ............................................................... 24
2.9.3 BtcA2DPDhcpProtectLevel ............................................................................. 24
2.9.4 btcStaticLenInqBt ............................................................................................ 24
2.9.5 btcStaticLenPageBt.......................................................................................... 25
2.9.6 btcStaticLenConnBt......................................................................................... 25
2.9.7 btcStaticLenLeBt ............................................................................................. 25
2.9.8 btcStaticLenInqWlan ....................................................................................... 25
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WCNSS Android Configuration Guide

Contents

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2.9.9 btcStaticLenPageWlan ..................................................................................... 25
2.9.10 btcStaticLenConnWlan .................................................................................. 25
2.9.11 btcStaticLenLeWlan ...................................................................................... 25
2.9.12 btcDynMaxLenBt .......................................................................................... 26
2.9.13 btcDynMaxLenWlan ..................................................................................... 26
2.9.14 btcMaxScoBlockPerc .................................................................................... 26
2.9.15 btcDhcpProtOnA2dp ..................................................................................... 26
2.9.16 btcDhcpProtOnSco ........................................................................................ 26
2.10 Roaming .................................................................................................................... 26
2.10.1 CcxEnabled .................................................................................................... 26
2.10.2 FastTransitionEnabled ................................................................................... 27
2.10.3 gNeighborScanTimerPeriod .......................................................................... 27
2.10.4 gNeighborLookupThreshold.......................................................................... 27
2.10.5 gNeighborScanChannelMinTime .................................................................. 27
2.10.6 gNeighborScanChannelMaxTime ................................................................. 27
2.10.7 gNeighborLookupThreshold.......................................................................... 27
2.10.8 gNeighborScanChannelList ........................................................................... 27
2.10.9 FastRoamEnabled .......................................................................................... 28
2.10.10 RoamRssiDiff .............................................................................................. 28
2.11 11AC ......................................................................................................................... 28
2.11.1 gEnableRXSTBC........................................................................................... 28
2.11.2 gVhtRxMCS .................................................................................................. 28
2.11.3 gVhtTxMCS .................................................................................................. 28
2.11.4 gVhtChannelWidth ........................................................................................ 28
2.12 Params that are invalid or not used ........................................................................... 29
2.12.1 gEnableIdleScan ............................................................................................ 29
2.12.2 gEnableHandoff ............................................................................................. 29
2.12.3 gRoamingTime .............................................................................................. 29
2.12.4 BtAmpPreferredChannel ............................................................................... 29
2.12.5 gEnableBtAmp .............................................................................................. 29
2.12.6 gApMacAddr ................................................................................................. 29
2.12.7 gImmediateRoamRssiDiff ............................................................................. 29
2.12.8 FTRssiFilterPeriod......................................................................................... 29

A Glossary......................................................................................................... 30

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WCNSS Android Configuration Guide

Contents

Tables

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Table 1-1 Reference documents and standards ............................................................................................ 7

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1 Introduction

1.1 Purpose
This document describes how to configure and operate the Qualcomm WCNSS host
device driver on the Android platform and Qualcomm’s MSM8960 solution.

ST

1.2 Scope

1.3 Conventions

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This document is intended for customers who are using or who plan to use the WCNSS
solution in their Android phone designs.

Function declarations, function names, type declarations, and code samples appear in a different
font, e.g., #include.
Shading indicates content that has been added or changed in this revision of the document.

1.4 References

Reference documents, which may include Qualcomm documents, standards, and resources, are
listed in Table 1-1. Reference documents that are no longer applicable are deleted from this table;
therefore, reference numbers may not be sequential.
Table 1-1 Reference documents and standards
Ref.

Document

Qualcomm

80-N8140-1 Rev. E

Q1

Application Note: Software Glossary for Customers

CL93-V3077-1

Q2

WCN1314 Android Configuration Guide

80-N4485-1

Q3

Application Note: Telescopic Beacon Wakeup

80-N7461-1

Q4

WCN36X0(A) Training WLAN TX CLPC Characterization
Using QSPR Tools

80-WL300-25

Q5

WCN36X0 Training WLAN TX SCPC Characterization Using
QSPR Tools

80-WL300-26

Q6

Presentation: QCA Android WCN36X0 Central Regulatory
Domain Agent (CRDA) And Country Code Design

80-Y0476-2

Q7

Presentation: Tunneled Direct Link Setup (TDLS)

80-Y0476-3

Q8

Presentation: QCA WCNSS Rate Adaptation (RA) Overview

80-Y0476-11

Q9

QCA WCN36X0 Software Architecture

80-Y0513-1

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WCNSS Android Configuration Guide

Introduction

Ref.
Q10

Document
QCA WCN36X0 WLAN Power Optimization Guide

80-Y0513-3

Standards
S1

Part 11: Wireless LAN Medium Access Control (MAC) and
Physical Layer (PHY) Specifications Amendment 4:
Enhancements for Higher Throughput

IEEE P802.11n/D7.0, Sep 2008

S2

Codes for the Representation of Names of Countries and
Their Subdivisions – Part 1: Country Codes

ISO/IEC 3166-1

1.5 Technical assistance
For assistance or clarification on information in this guide, submit a case to Qualcomm CDMA
Technologies at https://support.cdmatech.com/.

1.6 Acronyms

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If you do not have access to the CDMATech Support Service website, register for access or send
email to support.cdmatech@qualcomm.com.

For definitions of terms and abbreviations, see [Q1].

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2 System Configuration

2.1 General params

Preferred band
0 – Both 2.4 GHz and 5 GHz, 1 – 2.4 GHz, 2 – 5 GHz

0

Max

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Min

ST

2.1.1 BandCapability

2

Default
0

2.1.2 gEnableCloseLoop

Enable CLPC/SCPC Tx Power control.
See reference document Q4 for CLPC and Q5 for SCPC.
1 – Enable, 0 – Disable (OLPC is applied)
Min
0

Max

1

Default
1

2.1.3 gChannelBondingMode5GHz
Used for enabling or disabling Channel Bonding in 5GHz.
See reference document Q9.
1 – Enable 0 – Disable
Min

Max

0

1

Default
1

2.1.4 EnableSuspend
Enable Suspend Mode on Android.
0 – Do not register with Android (applies for WCN1312 and WCN1314)
1 - Enable standby (applies for WCN1312 and WCN1314)
2 - Enable Deep sleep (applies for WCN1312 and WCN1314)
3 – Enable Packet Filtering (applies for WCN1312, WCN1314 and WCNSS solutions)
Min
0

80-N8140-1 Rev. E

Max
3

Default
3

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WCNSS Android Configuration Guide

System Configuration

2.1.5 gDot11Mode
Phy mode setting
Min

Default

9

0

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0

Max

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WCNSS Android Configuration Guide

System Configuration

PHY mode

AP (which the user is accessing)
ABG

80-N8140-1 Rev. E

11G

11N

11G only

11N only

11B only

11AC only

11AC

A, G

B

G

N

G

N

B

11AC

11AC

1 - 802.11_MODE_
ABG

A, G

B

G

A, G

G

Not
Connect

B

Not Connect

A, G

2 - 802.11_MODE_B

B

B

B

B

Not
Connect

Not
Connect

B

Not Connect

B

3 - 802.11_MODE_G

G

B

Not
Connect

B

Not Connect

G

4 - 802.11_MODE_N

A, G

B

G

N

G

N

B

Not Connect

N

5 – 802.11_MODE_G_
Only

G

Not
Connect

G

Not
Connect

G

Not
Connect

Not Connect

Not Connect

Not Connect

6 – 802.11_MODE_N_
Only

Not
Connect

Not
Connect

Not
Connect

N

Not
Connect

N

Not Connect

Not Connect

Not Connect

7 – 802.11_MODE_B_
Only

B

B

Not
Connect

Not
Connect

Not
Connect

Not
Connect

B

Not Connect

Not Connect

8 – 802.11_MODE_11AC_
Only

Not
Connect

Not
Connect

Not
Connect

Not
Connect

Not
Connect

Not
Connect

Not Connect

11AC

11AC

9 - 802.11_MODE_11AC

A, G

B

G

N

G

N

B

11AC

11AC

ST

0 -802.11_MODE_
AUTO

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STA
mode

11B

G

G

G

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WCNSS Android Configuration Guide

System Configuration

2.1.6 gRoamIntraBand
Roam only to APs within the current band.
1 - Roaming within band
0 - Roaming across band
Min

Max

0

Default

1

1

2.1.7 gFixedRate

Min
31

WNI_CFG_FIXED_RATE_AUTO

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0

Max

ST

Fix the transmission rate for 11n mode.
0 – Automatically controlled by Rate Adaptation. See reference document Q8.
Default
0
0

WNI_CFG_FIXED_RATE_1MBPS

1

WNI_CFG_FIXED_RATE_2MBPS

2

WNI_CFG_FIXED_RATE_5_5MBPS

3

WNI_CFG_FIXED_RATE_11MBPS

4

WNI_CFG_FIXED_RATE_6MBPS

5

WNI_CFG_FIXED_RATE_9MBPS

6

WNI_CFG_FIXED_RATE_12MBPS

7

WNI_CFG_FIXED_RATE_18MBPS

8

WNI_CFG_FIXED_RATE_24MBPS

9

WNI_CFG_FIXED_RATE_36MBPS

10

WNI_CFG_FIXED_RATE_48MBPS

11

WNI_CFG_FIXED_RATE_54MBPS

12

WNI_CFG_FIXED_RATE_6_5MBPS_MCS0_20MHZ_SIMO

13

WNI_CFG_FIXED_RATE_13MBPS_MCS1_20MHZ_SIMO

14

WNI_CFG_FIXED_RATE_19_5MBPS_MCS2_20MHZ_SIMO

15

WNI_CFG_FIXED_RATE_26MBPS_MCS3_20MHZ_SIMO

16

WNI_CFG_FIXED_RATE_39MBPS_MCS4_20MHZ_SIMO

17

WNI_CFG_FIXED_RATE_52MBPS_MCS5_20MHZ_SIMO

18

WNI_CFG_FIXED_RATE_58_5MBPS_MCS6_20MHZ_SIMO

19

WNI_CFG_FIXED_RATE_65MBPS_MCS7_20MHZ_SIMO

20

WNI_CFG_FIXED_RATE_7_2MBPS_MCS0_20MHZ_SIMO_SGI

21

WNI_CFG_FIXED_RATE_14_4MBPS_MCS1_20MHZ_SIMO_SGI

22

WNI_CFG_FIXED_RATE_21_7MBPS_MCS2_20MHZ_SIMO_SGI

23

WNI_CFG_FIXED_RATE_28_9MBPS_MCS3_20MHZ_SIMO_SGI

24

WNI_CFG_FIXED_RATE_43_3MBPS_MCS4_20MHZ_SIMO_SGI

25

WNI_CFG_FIXED_RATE_57_8MBPS_MCS5_20MHZ_SIMO_SGI

26

WNI_CFG_FIXED_RATE_65MBPS_MCS6_20MHZ_SIMO_SGI

27

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WCNSS Android Configuration Guide

System Configuration

WNI_CFG_FIXED_RATE_AUTO

0

WNI_CFG_FIXED_RATE_72_2MBPS_MCS7_20MHZ_SIMO_SGI

28

WNI_CFG_FIXED_RATE_0_25MBPS_SLR_20MHZ_SIMO

29

WNI_CFG_FIXED_RATE_0_5MBPS_SLR_20MHZ_SIMO

30

WNI_CFG_FIXED_RATE_68_25MBPS_QC_PROP_20MHZ_SIMO

31

2.1.8 gTxPowerCap
Set Maximum Tx power in dBm
Min
0

Max

Default

128

27

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2.1.9 g11dSupportEnabled
802.11d Support. See reference document Q6.
1 – Enable, 0 – Disable
Min
0

Max

1

Default
1

2.1.10 InfraUapsdVoSrvInTv

Unscheduled automatic power save delivery service interval for VO traffic in ms.
Min
0

Max

4294967295UL

Default
20

2.1.11 InfraUapsdViSrvInTv

Unscheduled automatic power save delivery service interval for VI traffic in ms.
Min
0

Max
4294967295UL

Default
300

2.1.12 InfraUapsdBeSrvInTv
Unscheduled automatic power save delivery service interval for BE traffic in ms.
Min
0

Max
4294967295UL

Default
300

2.1.13 InfraUapsdBkSrvInTv
Unscheduled automatic power save delivery service interval for BK traffic in ms.
Min
0

80-N8140-1 Rev. E

Max
4294967295UL

Default
300

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WCNSS Android Configuration Guide

System Configuration

2.1.14 gNumRxAnt
Rx Antenna configuration. WCNSS only supports single Rx antenna.
1 – 1x1
Min

Max

Default
1

2.1.15 gNthBeaconFilter
Beacon filtering frequency (unit is beacon intervals).
Firmware will notify the host driver In BMPS, if there is BEACON content change in this period.
Min

Max
255

50

ST

0

Default

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2.1.16 gShortGI20Mhz

Enable Short Guard Interval for HT20 in 5GHz.
1 – Enable, 0 – Disable
Min
0

Max

1

Default
1

2.1.17 gShortGI40Mhz

Enable Short Guard Interval for HT40 in 5GHz.
1 – Enable, 0 – Disable
Min
0

Max

1

Default
1

2.1.18 isAndroidPsEn
Enable Power saving mechanism is based on Android Framework. If set to 0 the driver internally controls the Power
saving mechanism. If set to 1, Android Framework controls the Power saving mechanism.
Min
0

Max
1

Default
0

2.1.19 g11hSupportEnabled
Enable/disable 802.11h support.
Min
0

80-N8140-1 Rev. E

Max
1

Default
1

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WCNSS Android Configuration Guide

System Configuration

2.1.20 ImplicitQosIsEnabled
Enable/disable implicit QoS for WMM AC handling.
Min

Max

0

Default

1

1

2.1.21 gEnableLogp
Enable/disable driver watchdog thread for driver fatal error recovery.
Min

Max

0

Default

1

0

ST

2.1.22 gStaKeepAlivePeriod
Min
0

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WCN sends the ARP request to connect the AP periodically in seconds to notify STA's existence.
Max

65535

Default
0

2.1.23 gEnableAutomaticTxPowerControl
EnableAutomaticTxPowerControl
Min
0

Max

1

Default
1

2.1.24 isP2pDeviceAddrAdministrated
Enable P2P administrated interface.
Min
0

Max
1

Default
0

2.2 Power save
2.2.1 gEnableImps
Enable Idle Mode Power Save. See reference document Q10.
1 – Enable, 0 – Disable
Min
0

80-N8140-1 Rev. E

Max
1

Default
1

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WCNSS Android Configuration Guide

System Configuration

2.2.2 gEnableBmps
Enable Beacon Mode Power Save. See reference document Q10.
1 – Enable, 0 – Disable
Min
0

Max

Default

1

1

2.2.3 gImpsModSleepTime
Increase sleep duration during IMPS (seconds).
0 - implies no periodic wake up from IMPS. Periodic wakeup is unnecessary if Idle Scan is disabled.
Min

Default

65535

0

ST

5

Max

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2.2.4 gEnableModulatedDTIM

Use Modulated DTIM. See reference document Q10.
Min
0

Max

5

Default
0

2.2.5 gEnableDynamicDTIM

Use Dynamic DTIM. See reference document Q10.
Min
0

Max

Default

5

2.2.6 gTelescopicBeaconWakeupEn

Enable Telescopic DTIM. See reference document Q10 and Q3.
Min
0

Max
1

Default
0

2.2.7 telescopicBeaconTransListenInterval
Telescopic Beacon Trans Listen Interval. See reference document Q10 and Q3.
Min
0

Max
7

Default
3

2.2.8 telescopicBeaconTransListenIntervalNumIdleBcns
Number of Idle Beacon for the Normal state to Transient State. See reference document Q10 and Q3.
Min
5

80-N8140-1 Rev. E

Max
255

Default
10

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WCNSS Android Configuration Guide

System Configuration

2.2.9 telescopicBeaconMaxListenInterval
The Maximum LI and the WCNSS will attain if all conditions are met. See reference document Q10 and Q3.
Min
0

Max

Default

7

5

2.2.10 telescopicBeaconMaxListenIntervalNumIdleBcns
Number of Idle Beacons for the transient state to Maximum Listen Interval. See reference document Q10 and Q3.
Min

Default

255

15

2.2.11 enableBeaconEarlyTermination

ST

5

Max

Min
0

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Enable Beacon Early Termination (BET). It is a feature that WCNSS does not stay awake until the end of whole
Beacon packet. Instead, WCNSS will go back to power collapse immediately after checking TIM IE.
1 – Enable, 0 – Disable
Max

1

Default
0

2.2.12 beaconEarlyTerminationWakeInterval

BET Wake Interval. How frequent WCNSS needs to check whole Beacon packet. Value us set in beacon interval unit.
Min
2

Max

255

Default
3

2.2.13 gDataInactivityTimeout

Timer indicating the amount of time the station waits for data frames (in milliseconds).
Min
1

80-N8140-1 Rev. E

Max
255

Default
200

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System Configuration

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ST

WCNSS Android Configuration Guide

1. AP indicates it has queued frames for WCN by turning on the TIM bit in Beacon
2. WCN sends back Data Null frame with PM bit set to 0 indicating WCN is out of sleep. WCN
also starts a SW timer with gDataInactivityTimeout value.
3. AP starts sending the queued frames. WCN acks back accordingly.
4. When the timer expires, WCN checks if it receives any data frame from AP. If it does, WCN
restarts the timer again. If it does not, WCN sends Data Null with PM=1 indicating it is going
to sleep. At this time, If AP has frames for WCN, AP has to queue them until next Beacon
interval.

2.3 SoftAP

2.3.1 gEnableApProt
Enable 802.11 protection flag. This parameter controls the Protection bit when a legacy client joins the SAP; this
enables the protection by setting protection bits in the beacons.
0 - Disable
1 - Enable
Min
0

Max
1

Default
1

2.3.2 gEnableApOBSSProt
Enable Overlapping BSS (OBSS) Protection. This parameter controls and updates the protection bit.
This param needs to be set for Certification When a legacy AP is present on the same channel (overlapping BSS) as
that of SAP Or
When the SAP is operating in 5 GHz with 40 MHz, and the overlapping legacy AP is present on its current channel of
operation or extension channel
0 - Disable

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WCNSS Android Configuration Guide

System Configuration

1 - Enable
Min

Max

0

Default

1

0

2.3.3 gEnableApUapsd
Enable Unscheduled Automatic Power Save Delivery (UAPSD) for SoftAP.
0 - Disable
1 - Enable
Min

Max

0

Default

1

0

ST

2.3.4 gAPAutoShutOff

Min
0

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AutoShutdown is to disable AP and turn off WiFi after a user-configurable period of inactivity, i.e., no clients
connected. Auto Shutdown value is in seconds.
Max

4294967295(UL)

Default
0

2.3.5 gEnablePhyAgcListenMode

Energy Detect Mode:
Turn on only the RF energy detector instead of the complete Receive chain when listening for packets.
It is used for SAP to save power as most use case is in short range.
Valid values 0-128
128 means disable Energy Detect feature
0-9 is threshold code and 7 is the recommended value from the system if the feature is to be enabled.
10-128 are reserved.
The EDET threshold mapping is as follows in 3dB step:
0 = -60 dBm
1 = -63 dBm
2 = -66 dBm
...
7 = -81 dBm
8 = -84 dBm
9 = -87 dBm
Note: Any of these settings are valid. Setting 0 will yield the highest power saving (in a noisy environment) at the cost
of more range. The range impact is approximately #calculated as:
Range Loss (dB) = EDET threshold level (dBm) + 97 dBm
Min
0

80-N8140-1 Rev. E

Max
128

Default
128

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WCNSS Android Configuration Guide

System Configuration

2.3.6 gDisableIntraBssFwd
Disable Intra BSS forwarding.
0 - Disable
1 - Enable
Min

Max

0

Default

1

0

2.3.7 gAPCntryCode
Country Code
Min

Default

USI

FFF

ST

USI

Max

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2.4 Channel range and auto channel selection
2.4.1 gApAutoChannelSelection

To enable SoftAP Auto Channel selection. See reference document Q9.
0 - Disable
1 - Enable
Min
0

Max

1

Default
0

2.4.2 gAPChannelSelectStartChannel

Start channel to be used by SoftAP for Auto Channel Selection. Valid only when gApAutoChannelSelection is set.
See reference document Q9.
Min
0

Max
0xff

Default
0

2.4.3 gAPChannelSelectEndChannel
End channel to be used by SoftAP for Auto Channel Selection. Valid only when gApAutoChannelSelection is set. See
reference document Q9.
Min
0

Max
0xff

Default
11

2.4.4 gAPChannelSelectOperatingBand
Operating Band used for channel selection. Valid only when gApAutoChannelSelection is set. See reference
document Q9.
0 – 2.4 GHz ,
1 – LOW, 5 GHz
2 – MID, 5 GHz

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WCNSS Android Configuration Guide

System Configuration

3 – HIGH, 5 GHz
4 - 4.9 GHz.
Min
0

Max

Default

4

0

2.5 Virtual STA support (32 STAs)
2.5.1 gEnableVSTASupport
To enable Virtual STA support which is needed to support 32 STAs for SoftAP. See reference document Q10.
0 - Disable
1 - Enable

1

2.6 TDLS

Default
0

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0

Max

ST

Min

2.6.1 gEnableTDLSSupport

Global flag that controls the TDLS feature. Set this param to 1 for enabling TDLS. See reference document Q7.
Min
0

Max

1

Default
0

2.6.2 gEnableTDLSImplicitTrigger

Flag that controls only implicit trigger. For implicit trigger to work, both gEnableTDLSSupport and
gEnableTDLSImplicitTrigger need to be enabled. See reference document Q7.
Min
0

Max
1

Default
0

2.6.3 gTDLSTxStatsPeriod
Time period (in milliseconds) to evaluate whether the number of Tx packets exceeds TDLSTxPacketThreshold and
triggers a TDLS setup request. See reference document Q7.
Min
2000

Max
4294967295

Default
5000

2.6.4 gTDLSTxPacketThreshold
Number of Tx packets during the period of gTDLSTxStatsPeriod when exceeded, a TDLS setup request is triggered.
See reference document Q7.
Min
0

80-N8140-1 Rev. E

Max
4294967295

Default
100

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WCNSS Android Configuration Guide

System Configuration

2.6.5 gTDLSDiscoveryPeriod
Time period (in milliseconds) to initiate a TDLS discover request for a peer. See reference document Q7.
Min
5000

Max

Default

4294967295

20000

2.6.6 gTDLSMaxDiscoveryAttempt
Number of failures of discover request, when exceeded, the peer is assumed to be not TDLS capable and no further
request is made. See reference document Q7.
Min

Default

100

3

ST

1

Max

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2.6.7 gTDLSRxIdleTimeout

Time period (in milliseconds) where the TDLS link is idle, when exceeded, a TDLS teardown is triggered. See
reference document Q7.
Min
2000

Max

40000

Default
5000

2.6.8 gTDLSIdlePacketThreshold

Number of TX/RX packet, below which within last gTDLSTimeout period is considered as idle condition.
Min
1

Max

40000

Default
5

2.6.9 gTDLSRssiHysteresis

Difference (in dB) between the AP RSSI and the peer RSSI, when exceeded, a TDLS teardown is triggered. See
reference document Q7.
Min
0

80-N8140-1 Rev. E

Max
100

Default
100

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WCNSS Android Configuration Guide

System Configuration

2.6.10 gTDLSRSSITriggerThreshold
Absolute value (in dB) of the peer RSSI, below which a TDLS setup request is triggered.
Min

Max

-120

Default

0

-75

2.6.11 gTDLSRSSITeardownThreshold
Absolute value (in dB) of the peer RSSI, when exceed, a TDLS teardown is triggered.
Min

Max

-120

Default

0

-75

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2.7 Packet filtering
2.7.1 mcastBcastFilter

To filter Mcast/Bcast Rx packets completely.
See reference document Q10.
0: No filtering
1: Filter all Multicasts.
2: Filter all Broadcast.
3: Filter all Mcast and Bcast
Min
0

Max

3

Default
0

2.7.2 hostArpOffload

To enable HostARPOffload feature so that ARP response is sent by Riva.
See reference document Q10.
0 - Disable
1 - Enable
Min

Max

0

Default

1

2.7.3 isMcAddrListFilter
To allow Mcast RX packets from registered addresses only and filter remaining Mcast and Bcast Rx packets. See
reference document Q10.
0 - Disable
1 - Enable
Min
0

80-N8140-1 Rev. E

Max

Default

1

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WCNSS Android Configuration Guide

System Configuration

2.7.4 gEnableActiveModeOffload
This is the flag to enable/disable packet filter/arp offloading to WCNSS in active mode.
See reference document Q10.
0 - Disable
1 - Enable
Min

Max

0

Default

1

2.8 Scanning

Do the scan for DFS channel or not.

0

Max

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Min

1

2.9 BTCoex

ST

2.8.1 gEnableDFSChnlScan
Default
1

2.9.1 BtcExecutionMode

Btc execution modes; see Appendix A for details.
Min
0

Max

5

Default
0

2.9.2 BtcConsBtSlotToBlockDuringDhcp
See Appendix A for details.
Min

Max

0

255

Default
0

2.9.3 BtcA2DPDhcpProtectLevel
A2DP-specific; see Appendix A for details.
Min

Max

0

255

Default
7

2.9.4 btcStaticLenInqBt
BT interval length during BT Inquiry.
Min
5000

80-N8140-1 Rev. E

Max
500000

Default
120000

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WCNSS Android Configuration Guide

System Configuration

2.9.5 btcStaticLenPageBt
BT interval length during BT Paging.
Min

Max

5000

Default

500000

10000

2.9.6 btcStaticLenConnBt
BT interval length during BT connection setup.
Min

Max

5000

Default

500000

10000

ST

2.9.7 btcStaticLenLeBt
Min
5000

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BT interval length during BT LE scan.

Max

500000

Default
10000

2.9.8 btcStaticLenInqWlan
WLAN interval length during BT inquiry.
Min
0

Max

500000

Default
30000

2.9.9 btcStaticLenPageWlan
WLAN interval length during BT Paging.
Min

Max

0

500000

Default
0

2.9.10 btcStaticLenConnWlan
WLAN interval length during BT connection setup.
Min

Max

0

500000

Default
0

2.9.11 btcStaticLenLeWlan
WLAN interval length during BT LE scan.
Min
0

80-N8140-1 Rev. E

Max
500000

Default
0

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WCNSS Android Configuration Guide

System Configuration

2.9.12 btcDynMaxLenBt
Dynamically adjust BT interval during ACL Active (A2DP).
Min

Max

25000

Default

500000

250000

2.9.13 btcDynMaxLenWlan
Dynamically adjust WLAN interval during ACL Active (A2DP).
Min

Max

15000

Default

500000

45000

ST

2.9.14 btcMaxScoBlockPerc
Min
0

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Maximum SCO skipping percentage.

Max

Default

100

1

2.9.15 btcDhcpProtOnA2dp
Ensure DHCP reliability during A2DP.
Min
0

Max

Default

1

1

2.9.16 btcDhcpProtOnSco
Ensure DHCP reliability during SCO.
Min
0

Max

Default

1

0

2.10 Roaming
2.10.1 CcxEnabled
Enable/disable CCX support.
Min
0

80-N8140-1 Rev. E

Max
1

Default
0

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System Configuration

2.10.2 FastTransitionEnabled
Enable/Disable 802.11r support.
Min

Max

0

Default

1

1

2.10.3 gNeighborScanTimerPeriod
Interval between individual channel scans [ms].
Min

Max
1000

200

2.10.4 gNeighborLookupThreshold

ST

0

Default

Min
10

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RSSI threshold to trigger background scan to find potential roam candidates (Default value is 76 in LFR1.5 while it is
78 in LFR2.0).
Max

120

Default
78

2.10.5 gNeighborScanChannelMinTime
Minimum dwell time for scan.
Min
10

Max

40

Default
20

2.10.6 gNeighborScanChannelMaxTime
Maximum dwell time for scan.
Min
10

Max
40

Default
30

2.10.7 gNeighborLookupThreshold
RSSI threshold to trigger background scan to find potential roam candidates (Default value is 76 in LFR1.5 while it is
78 in LFR2.0.).
Min
10

Max
120

Default
78

2.10.8 gNeighborScanChannelList
List of channels on which to scan.
Min
NA

80-N8140-1 Rev. E

Max
NA

Default
NULL

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WCNSS Android Configuration Guide

System Configuration

2.10.9 FastRoamEnabled
Enable/Disable #Legacy (non-CCX, non-802.11r) Fast Roaming Support.
Min

Max

0

Default

1

1

2.10.10 RoamRssiDiff
Configuration item for an AP to be qualified as a candidate AP when the AP shows RoamRssiDiff higher in RSSI than
current AP.
Min

Max

0

Default

30

5

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2.11 11AC
2.11.1 gEnableRXSTBC

Enable/disable Rx STBC capability in STA mode.
Min
0

Max

1

2.11.2 gVhtRxMCS

Default
1

VHT Rx MCS capability.
0=MCS0-7, 1=MCS0-8, 2=MCS0-9
Min
0

Max

2

Default
2

2.11.3 gVhtTxMCS
VHT Tx MCS capability.
0=MCS0-7, 1=MCS0-8, 2=MCS0-9
Min
0

Max
2

Default
2

2.11.4 gVhtChannelWidth
Channel width capability for 11ac.
1 - 20 and 40 MHz
2 - 80 MHz (default)
Min
1

80-N8140-1 Rev. E

Max
2

Default
2

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WCNSS Android Configuration Guide

System Configuration

2.12 Params that are invalid or not used
2.12.1 gEnableIdleScan
Ignore this param in ini file.

2.12.2 gEnableHandoff
Ignore this param in ini file.

2.12.3 gRoamingTime

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2.12.4 BtAmpPreferredChannel

ST

Ignore this param in ini file.

Ignore this param in ini file.

2.12.5 gEnableBtAmp

Ignore this param in ini file.

2.12.6 gApMacAddr

Ignore this param in ini file.

2.12.7 gImmediateRoamRssiDiff
Ignore this param in ini file.

2.12.8 FTRssiFilterPeriod
Ignore this param in ini file.

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A Glossary

InfraUapsd*SrvInTv – Unscheduled Automatic Power Save Delivery is applicable only when
the station is connected to the AP. It is primarily driven by QoS-aware applications, e.g.,
VoIP. Applicable abbreviations are:
BK – Background



BE – Best Effort



VI – Video



VO – Voice



gNthBeaconFilter – Every Nth beacon is checked for change in content of the beacon frame.
If there are changes in the beacon frame, the frame is forwarded to the host.



BtcExecutionMode – The BTC execution modes are:


0 – BTC_SMART_COEXISTENCE – BTC mapping layer decides what is best



1 – BTC_WLAN_ONLY – WLAN takes all modes



2 – BTC_PTA_ONLY – Allow only 3-wire protocol in hardware



3 – BTC_SMART_MAX_WLAN – BTC mapping layer decides what is best; WLAN
weighted







80-N8140-1 Rev. E

ST



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

4 – BTC_SMART_MAX_BT – BTC mapping layer decides what is best; Bluetooth®
weighted



5 – BTC_SMART_BT_A2DP – BTC mapping layer decides what is best; balanced +
Bluetooth A2DP weight



6 – BT_BT_EXEC_MODE_MAX – This and beyond are invalid values.

BtcConsBtSlotToBlockDuringDhcp – SCO-specific parameter, introduced to improve WiFi
DHCP connection timing when a BT SCO call is ongoing, e.g., consider the following case:


When the flag is set to value 2 – Every alternate Bluetooth SCO reserved slot is blocked
for WLAN, i.e., ½ * 100 = 50% Bluetooth blockage. This improves WiFI DHCP
connection timings but impacts SCO voice quality.



When the flag is set to value 4 – Every alternate 4th Bluetooth SCO reserved slot is
blocked for WLAN, i.e., ¼ * 100 = 25% Bluetooth blockage.



Lowering the value is better for WLAN connection time, but Bluetooth audio quality is
impacted.



The ideal value of this flag is 8, i.e., 1/8 * 100 = 12.5% Bluetooth blockage.

BtcA2DPDhcpProtectLevel – A2DP-specific parameter; improves WiFi DHCP connection
timing when aBluetooth A2DP call is ongoing. The valid value of the flag is in the range of
0 to 7.

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WCNSS Android Configuration Guide

Glossary



When the flag is 0, no Bluetooth A2DP intervals are blocked for WiFi DHCP completion.



When the flag is 7, the WLAN DHCP connection time is fastest, but there is an impact on
A2DP audio quality.



The ideal value of the flag is 3.

enableBeaconEarlyTermination – BET allows us to power down as soon as the TIM bit is
seen as being clear without waiting for entire beacon to be received and FCS checked. The
actual power savings depends on beacon size and placement of the TIM IE within the beacon.
For a specific use case (150-byte beacon and Cisco 1252 AP), the active receive duration
shrinks from 1.3 ms to 800 µs with BET enabled.



beaconEarlyTerminationWakeInterval – With BET, since no FCS check is done when TIM is
seen as being clear, RXP does not update the TSF using the timestamp from the beacon. This
can lead to drift over time when no traffic for STA. This configuration periodically and
temporarily suspends BET in order to allow a TSF re-sync by allowing a full beacon to be
received with FCS check and RXP update of TSF.

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

80-N8140-1 Rev. E

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