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Wi-Fi Host Driver (WHD) v2.2.0

Please refer to the README File and the WHD API Reference Manual for a complete description of the Wi-Fi Host Driver.

Features

  • Supports Out-of-Band (OOB)
  • Provides API functions for ARP, packet filters
  • Supports Wi-Fi Station (STA) and AP mode of operation
  • Supports concurrent operation of STA and AP interface
  • Supports multiple security methods such as WPA2, WPA3, and open
  • Provides functions for Advanced Power Management
  • Supports low-power offloads, including ARP, packet filters, TCP Keepalive offload, DHCP lease time renewal offload, and Beacon trim
  • Includes WFA pre-certification support for 802.11n and WPA3

Changes since v2.1.0

New Features

  • Support WPA3 for 4373

Defect Fixes

API Changes

  • whd_wifi_scan_synch Input argument "count" is now a pointer which also indicates the no of record received when returning.
  • whd_tko_param The variable type of parameter "set" is changed from int to uint8_t.
  • whd_network_send_ethernet_data Use whd_result_t return type for returning WHD_SUCCESS or Error code.
  • Remove WEP connection (WHD_SECURITY_WEP_PSK / WHD_SECURITY_WEP_SHARED) support
  • WHD de-initialization sequence changed to below:
      whd_wifi_leave(ifp);
      whd_wifi_off(ifp);
      whd_bus_sdio_detach(whd_driver);
      whd_deinit(ifp);

Known Issues

CYW4343W

  • --- 7.45.98.120 ---
  • Fix pmk caching
  • --- 7.45.98.117 ---

CYW43012

  • --- 13.10.271.277 ---
  • Fix WPA3_R1 Compatibility Issue

CYW4373

  • --- 13.10.246.262 ---
  • WPA3-R3 STA support
  • WFA aggregation CVE fix
  • Enable OKC, FBT and Voice Enterprise features in FW
  • --- 13.10.246.254 ---

CYW43439

  • --- 7.95.49 ---
  • Fix WPA3_R1 Compatibility Issue
  • WPA3_R3 Support
  • --- 7.95.39 ---

CYW43909

  • --- 7.15.168.155 ---

Note: [r] is regulatory-related

Supported Software and Tools

This version of the WHD was validated for compatibility with the following software and tools:

Software and Tools Version
GCC Compiler 7.2.1
IAR Compiler 8.32
Arm Compiler 6 6.11
Mbed OS 6.2.0
ThreadX/NetX-Duo 5.8
FreeRTOS/LWIP 2.0.3

More Information

© Infineon Technologies, 2019.