Wi-Fi Link Controller Linux Release Notesww1.microchip.com/downloads/en/DeviceDoc/Wi-Fi Link Controller...Wi-Fi Link Controller Linux Release Notes ... • Wi-Fi Pre-certification

ATWILC1000/ATWILC3000 Wi-Fi Link Controller Linux Release Notes

Introduction

This release notes describes the software deliveries of the ATWILC1000 and ATWILC3000. TheATWILC1000 supports only Wi-Fi, whereas, the ATWILC3000 supports Wi-Fi and Bluetooth.

The deliveries are tested against the SAMA5D4 Xplained board running on Linux Kernel 4.9.

Note: All references to the ATWILC module includes all the devices listed below, unless otherwisenoted:

ATWILC1000 ATWILC3000

2017 Microchip Technology Inc. Draft Release Note DS00000000A-page 1

Table of Contents

Introduction......................................................................................................................1

1. ATWILC Software Architecture..................................................................................3

2. ATWILC Release Contents........................................................................................4

3. ATWILC Release Features........................................................................................5

4. Throughput................................................................................................................ 64.1. Wi-Fi Standalone..........................................................................................................................64.2. ATWILC3000 Wi-Fi/BLE Coexistence.......................................................................................... 6

5. Release Revision History.......................................................................................... 75.1. ATWILC Linux v15.0.....................................................................................................................75.2. ATWILC Linux v14.4.....................................................................................................................75.3. ATWILC Linux v14.3.....................................................................................................................75.4. ATWILC Linux v14.2...................................................................................................................10

6. Limitations................................................................................................................11

The Microchip Web Site................................................................................................ 12

Customer Change Notification Service..........................................................................12

Customer Support......................................................................................................... 12

Microchip Devices Code Protection Feature................................................................. 12

Legal Notice...................................................................................................................13

Trademarks................................................................................................................... 13

Quality Management System Certified by DNV.............................................................14

Worldwide Sales and Service........................................................................................15

ATWILC1000/ATWILC3000


1. ATWILC Software ArchitectureThe following figures illustrate the ATWILC architecture of the Wi-Fi and Bluetooth softwares.

Figure 1-1.ATWILC Wi-Fi Software Architecture

Figure 1-2.ATWILC Bluetooth Software Architecture



2. ATWILC Release ContentsFolder Name Description

Binary This folder contains the following files: wilc1000_wifi_firmware.bin: Wi-Fi station-P2P-AP

concurrency firmware for ATWILC1000. wilc3000_wifi_firmware.bin: Wi-Fi station-P2P-AP

concurrency firmware for ATWILC3000. wilc3000_bt_firmware.bin: BTDM firmware for

ATWILC3000. wilc3000_bt_firmware_no_rtc.bin: BTDM firmware

for ATWILC3000 boards that does not have RTC. wilc-sdio.ko: Linux 4.9 pre-built SDIO driver for ATWILC. wilc-spi.ko: Linux 4.9 pre-built SPI driver for ATWILC. wilc.ko: Linux 4.9 pre-built driver for ATWILC. linux_kernel_4.9_images: Pre-built Linux 4.9 image for

SAMA5D4.

src Linux driver examples for ATWILC1000 and ATWILC3000 forSAMA5D4 Xplained running Linux Release 4.9.



3. ATWILC Release FeaturesThe ATWILC module supports the following features.

1. Wi-Fi Station (STA) IEEE 802.11 b/g/n Open, Wired Equivalent Privacy (WEP), Wi-Fi Protected Access (WPA)/WPA2 personal and

WPA/WPA2 enterprise security2. Wi-Fi Access Point (AP)

IEEE 802.11 b/g/n Open, WEP, WPA/WPA2 personal and WPA/WPA2 enterprise security Supports eight stations

3. Wi-Fi Protected Setup (WPS) PBC PIN code

4. Wi-Fi direct P2P Client P2P GO

5. Concurrent modes STA-STA STA-AP STA-P2P Client STA-P2P GO AP-P2P Client

6. Antenna diversity control for Wi-Fi7. Bluetooth (ATWILC3000 only)

Bluetooth Low Energy (BLE) 4.0 support Modes of operation: Central and peripheral support Number of Connections: Supports seven clients Adaptive frequency hopping Coexistence with Wi-Fi

8. Power save Beacon monitoring mode Low-power mode when disconnected Host suspend support Wake-up host on wireless LAN events



4. ThroughputThis section provides the results of throughput test for Wi-Fi standalone and Wi-Fi/BT coexistencefeature.

4.1 Wi-Fi Standalone ATWILC1000

Throughput test is performed for ATWILC1000 using iPerf application on SAMA5D4 on a radiatedsetup.

Protocol Downlink Uplink

UDP 46.5 Mbps 25 Mbps

TCP 26.5 Mbps 20.5 Mbps

ATWILC3000Throughput test is performed for ATWILC3000 using iPerf application on SAMA5D4 on a radiatedsetup.


UDP 46.9 Mbps 24.1 Mbps


4.2 ATWILC3000 Wi-Fi/BLE CoexistenceThroughput test is performed using iPerf application on SAMA5D4 using radiated setup while BLEinterface advertises the packets with default payload and interval.


UDP 26.2 Mbps 20 Mbps




5. Release Revision History

5.1 ATWILC Linux v15.0

5.1.1 Release Candidate 4The bug fixes and enhancements for RTP are detailed in the following table.

Wi-Fi DUT disconnects from the AP when AP is in mixed mode. Updated ATWILC1000 and ATWILC3000 gain tables. Used staging ATWILC driver.

5.1.2 Release Candidate 31. Fixed QAC issues.2. Fixed ATWILC3000 WFA pre-certification issues.3. Autorate algorithm enhancements.

The bug fixes and enhancements are detailed in the following table.

Wi-Fi Quality Assurance Check (QAC) Round 1. Device Under Testing (DUT) unable to connect from one AP to other AP. Getting error on doing ifconfig wlan0 up. ATWILC3000 WFA certification. Wi-Fi Pre-certification test case [5.2.3] - When Marvell AP in 802.11b

mode, DUT crashes. Wi-Fi Pre-certification WMM test case [5.2.34] - ATWILC3000 Wi-Fi

Alliance (WFA) pre-certification failure. Merge autorate improvements from ATWINC1500.

BLE Provide evidence for BT SIG 4.0 test case to test lab for BLE only. Disable BLE for BT SIG qualification.

5.2 ATWILC Linux v14.4Fixed ATWILC1000 loading error.


Wi-Fi Unable to load ATWIL1000 module.

BT [Bluetooth Special Interest Group Certification] Add build option to disableenhanced power control.

5.3 ATWILC Linux v14.3

5.3.1 Release Candidate 21. European Telecommunications Standards Institute (ETSI) certification support to implement per

channel Rx Received Signal Strength Indicator (RSSI) offset.



2. Increased BLE transmit power granularity to 7 levels.3. Eliminate spurious emissions for BLE.4. Avoid user setting BLE power to the level exceeding Federal Communications Commission (FCC)

recommendations.


Wi-Fi Fixed to meet Error Vector Magnitude (EVM) specification on CH10. ETSI certification support to implement per channel Rx RSSI offset. Get statistics return invalid values. Change order of CCA threshold command line.

BLE Eliminate spurious emissions for BLE. Increased transmit power granularity. Set BLE max transmit power according to FCC certification.

5.3.2 Release Candidate 11. Fixed for low-side injection for higher channels on Bluetooth.2. Adding support on linux to change regulatory domains.3. Fixed to enable BT test mode from characterization GUI.4. Added new feature to the characterization GUI to send Host Controller Interface (HCI) commands,

dynamically.


Wi-Fi Configuration packets timed out in the driver, while performing heavyuplink or downlink using Serial Peripheral Interface (SPI).

Support suspend/resume for SPI. Adobt new PS mechanism from ATWINC. [Gain Builder] Use ';' instead of ',' for csv files. CCA/ED threshold change from terminal.

BLE Sending set Adv. data with invalid size results in rx time out. Transmit power does not work with ATWILC 4.0 release. Do not change MISC_CTL 0x3a0800 per channel for low-side injection.

Host Change regulatory domain settings.

5.3.3 Release Candidate 01. Support for SPI on ATWILC3000 Shield board.2. Updated porting guide and linux user guide.3. Suspend/Resume support tested overnight.4. Phased out ATWILC1000 RevA (ATWILC10002xx).5. Eliminated Lint error in Wi-Fi firmware.6. Eliminated GCC warning in Wi-Fi driver.


Wi-Fi SPI errors while transferring large files.



[ATWILC3000] Transferring large files over Wi-Fi causes SPI to fail. Verify SPI operation on ATWILC3000. Get deauthentication from AP (happens with specific APs and when

power save is enabled). Apply changes for /etc/network/interface. WPA security reauthenticaion not supported for the hostapd AP mode. P2P is not working with kernel 3.18. [ATWILC1000] Using APS3R as a target processor while building

causes division operations to fail. [ATWILC3000] Disable Coex null frames, when Wi-Fi enters the Sleep

mode. Managing scan and connect requests on busy firmware. Choose second IF MAC address to be locally administrated. Broken feature of getting antenna mode in host. Kernel panic due to null pointer dereference in driver. Exclude Clear To Send (CTS) signal failures from autorate calculations. Test Suspend/Resume on Android. Test Suspend/Resume on Linux 3.18. Suspend resume is broken for ATWILC1000. Overnight test suspend resume for ATWILC3000. Use kernel IRQ settings to configure interrupt as wakable. Use the Interrupt Request Line (IRQ) line for host wake-up instead of

GPIO3. Configure CFG to use Wake On Wireless (WoW). Verify PS stability for ATWILC1000. Disable power save to obtain IP address. Phase out ATWILC1000 RevA (Linux). Review pull up enables for pads. Adjust Secure Digital Input/Output (SDIO) internal pull ups. Revert low-dropout (LDO) voltage back to 0x8. Change register 0x1ea0 to 0xc7e for WILC3000D2. Apply action items from 3000/3400 reg dump comparison. Fix lint errors in firmware. Eliminate driver warnings. Remove legacy options WILC_DISABLE_PMU,

WILC_EXT_PA_INV_TX_RX and M2M. Use fixed point calculations. Synchronize setting files across the Wi-Fi, BT and characterization

GUI. Synchronize ATWILC3000 and ATWILC1000 drivers. Dynamically select GPIOs used for antenna diversity.

BLE BLE becomes unresponsive during connect/disconnect cycles.



Customers need to automatically download Bluetooth firmware.

Host Test single buildroot for Wi-Fi, p2p and blueZ. Update 3.18 GIT repository with Egypt Design Center's (EDC) kernel

patches.

5.4 ATWILC Linux v14.21. Fixed WEP40 and WEP104 shared authentication.2. Antenna diversity for ATWILC3000.3. Using latest tool chain to compile Wi-Fi firmwares.4. [ATWILC3000] Support for WILC3000D2.5. [ATWILC3000] Using PMU code 0x1 as recommended to pass FCC tests, and lowering sleep LDO

voltage to code 0xe to minimize sleep current.


Wi-Fi Unable to update merge modifications in retry packet. AP and radius server mode disconnects STAs. ATWILC1000 (Linux) - Station has temporary problem in receiving any

unicast data packet after every reauthentication with AP and EAP-TLStype.

[P2P Concurrency support] Deauthentication frame may not bedelivered to the client, while disconnecting it from ATWILC GO.

Deauthentication/disassociation frame may not be delivered to theassociated station when ATWILC is running in AP mode.

Request To Send (RTS) rate is fixed on maximum basic rate. ATWILC3000 implements antenna diversity algorithm. Changes to build drivers in monolithic mode. Recognize ATWILC3000D2 parts. Apply new PMU settings to WILC3000D2 boards. Migrate to the new Cortus tool chain. Implement tool to convert HEX HCI dump to HCI btsnoop format. Add support for PCLint static code analysis tool. Turning BT and Wi-Fi at the same time fails. Fix wrong settings of FCC testing. Deauthentication frame received from access point on suspend/

resume. Avoid divide by zero while logging rx_stats. TCP UL becomes sluggish after a while. AP WEP security is broken. Apply 11b transceiver settings.

BT/BLE Failure in pairing from NMC3000 (bluedroid) to iphone mobile.

Host Automate Regression test: Wi-Fi/BT on/off, and iPerf application.



6. Limitations1. Concurrency:

Multichannel concurrency is not supported. Concurrent modes must run on the same channel.2. P2P Client:

By default, the driver acts as a P2P GO to select the channel to overcome the multichannelconcurrency limitation.To use P2P client, the compilation switch FORCE_P2P_CLIENT must be defined in the driver.

3. The antenna diversity feature is not tested.



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Worldwide Sales and Service


IntroductionTable of Contents1.ATWILC Software Architecture2.ATWILC Release Contents3.ATWILC Release Features4.Throughput4.1.Wi-Fi Standalone4.2.ATWILC3000 Wi-Fi/BLE Coexistence

5.Release Revision History5.1.ATWILC Linux v15.05.1.1.Release Candidate 45.1.2.Release Candidate 3

5.2.ATWILC Linux v14.45.3.ATWILC Linux v14.35.3.1.Release Candidate 25.3.2.Release Candidate 15.3.3.Release Candidate 0

5.4.ATWILC Linux v14.2

6.LimitationsThe Microchip Web SiteCustomer Change Notification ServiceCustomer SupportMicrochip Devices Code Protection FeatureLegal NoticeTrademarksQuality Management System Certified by DNVWorldwide Sales and Service

Documents

Wi-Fi Link Controller Linux Release Notesww1.microchip.com/downloads/en/DeviceDoc/Wi-Fi Link Controller...Wi-Fi Link Controller Linux Release Notes ... • Wi-Fi Pre-certification