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QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running QNX Neutrino 7.1.
Networking Middleware
Networking Middleware C API Reference
QNX SDP Networking Middleware C API
The Networking Middleware package provides reliable network management and Wi-Fi configuration services on systems running QNX Neutrino. The framework offers a feature-rich C API for clients to interact with these services.
qwf_wifi.h
This file defines the interface to the Wi-Fi Manager service.
qwf_wifi_VhtOperChanWidth_e
Possible values for VHT operating channel width used by hostapd

QNX Momentics IDE User's Guide
This User's Guide describes version 7.1 of the Integrated Development Environment (IDE) that's part of the QNX Momentics tool suite.
QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running QNX Neutrino 7.1.
- Quickstart Guide
- OS Components & Operations
- Audio & Graphics API
- Multimedia
- Networking Middleware
  - Networking Middleware Architecture Guide
  - Networking Middleware C API Reference
    - QNX SDP Networking Middleware C API
      The Networking Middleware package provides reliable network management and Wi-Fi configuration services on systems running QNX Neutrino. The framework offers a feature-rich C API for clients to interact with these services.
      - qwf_interface.h
        This file defines the entry point interface of the API.
      - qwf_net.h
        This file defines the interface to the Network Manager (NET MGR) service.
      - qwf_wifi.h
        This file defines the interface to the Wi-Fi Manager service.
        Wi-Fi Manager service constants
        Limits on Wi-Fi Manager field sizes, and number of scan results stored
        qwf_wifi_AccessPointModeState_e
        States for Access Point (AP) mode
        qwf_wifi_ApClientData_t
        Information about a client currently connected to the active Access Point
        qwf_wifi_ApModeStatusData_t
        Wi-Fi status data for Access Point Mode
        qwf_wifi_ApProfileData_t
        Access Point profile data
        qwf_wifi_BgScanInfo_t
        Background scanning information for a Saved Network profile
        qwf_wifi_BgScanMode_e
        Background scanning modes
        qwf_wifi_ConnectionStatus_e
        Wi-Fi connection statuses
        qwf_wifi_ConnectSavedNetwork()
        Connect to the access point for a given Saved Network profile
        qwf_wifi_ConnectToAccessPoint()
        Connect to the specified Wi-Fi access point
        qwf_wifi_CreateSavedNetwork()
        Create a Wi-Fi network (Saved Network) profile
        qwf_wifi_DeleteSavedNetwork()
        Delete a Saved Network profile
        qwf_wifi_DisableSavedNetwork()
        Disable auto-connect for a Saved Network profile
        qwf_wifi_DisableWlanInterface()
        Disable the WLAN interface
        qwf_wifi_Disconnect()
        Disconnect the current Wi-Fi network connection
        qwf_wifi_EapMethod_e
        Security methods of the Extensible Authentication Protocol (EAP) used by an Access Point
        qwf_wifi_EnableSavedNetwork()
        Enable auto-connect for a Saved Network profile
        qwf_wifi_EnableWlanInterface()
        Enable the WLAN interface
        qwf_wifi_Event_t
        QWF Wi-Fi Manager event information delivered by the API to the client callback function
        qwf_wifi_EventClientCallback_t
        QWF Wi-Fi Manager event-handler prototype
        qwf_wifi_EventCode_e
        QWF Wi-Fi Manager service event codes
        qwf_wifi_FrequencyBand_e
        Wi-Fi frequency bands
        qwf_wifi_GetAccessPointProfile()
        Get the access point profile data
        qwf_wifi_GetApClients()
        Get the list of clients connected to the active Access Point
        qwf_wifi_GetApStatus()
        Query the Wi-Fi status for the Access Point Mode
        qwf_wifi_GetClientStatus()
        Query the Wi-Fi status for the Station Mode
        qwf_wifi_GetConnectedSavedNetworkId()
        Get the ID of the Saved Network profile used in the current connection
        qwf_wifi_GetConnectedSSID()
        Get the SSID for the current Wi-Fi access point
        qwf_wifi_GetSavedNetworks()
        Query the current Saved Network profiles
        qwf_wifi_GetScanResults()
        Query the available Wi-Fi access points found in the latest scan
        qwf_wifi_InterfaceSetting_e
        Wireless LAN (WLAN) interface settings
        qwf_wifi_IpAddrStr_t
        String type for IP addresses
        qwf_wifi_RegisterCallback()
        Register an event handler with the QWF Wi-Fi Manager service
        qwf_wifi_Results_e
        QWF Wi-Fi Manager service return codes
        qwf_wifi_ResumeAccessPoint()
        Resume acting as an access point
        qwf_wifi_SavedNetwork_t
        Data for a Saved Network
        qwf_wifi_ScanResult_t
        Scan results entry
        qwf_wifi_SecurityProtocol_e
        Types of security protocols used by Access Points
        qwf_wifi_SetBgScanMode()
        Set the background scan parameters before creating or updating a Saved Network profile
        qwf_wifi_SetEnterpriseCredentials()
        Set enterprise credentials before creating or updating a Saved Network profile
        qwf_wifi_SetHostapdOptions()
        Set optional hostapd parameters for a Wi-Fi access point
        qwf_wifi_SetPassphrase()
        Set a passphrase before creating or updating a Saved Network profile
        qwf_wifi_SetWepKey()
        Set the WEP key before creating or updating a Saved Network profile
        qwf_wifi_Ssid_t
        Service Set Identifier (SSID), as a string
        qwf_wifi_Standard_e
        Wi-Fi standards
        qwf_wifi_StartAccessPoint()
        Start acting as an access point
        qwf_wifi_StartScan()
        Start a scan of available Wi-Fi access points
        qwf_wifi_StationModeStatusData_t
        Wi-Fi status data for Station Mode
        qwf_wifi_StopAccessPoint()
        Stop acting as an access point
        qwf_wifi_UpdateAccessPoint()
        Update the profile settings for the access point in use
        qwf_wifi_UpdateSavedNetwork()
        Update a Saved Network profile
        qwf_wifi_VhtOperChanWidth_e
        Possible values for VHT operating channel width used by hostapd
        qwf_wifi_WifiRole_e
        Wi-Fi Manager roles
    - Code Examples
  - Networking Middleware Services Reference
- Programming
- Sensor Framework
- System Security Guide
  The QNX System Security Guide is intended for both system integrators who are responsible for the security of a QNX Neutrino RTOS system and developers who want to create a QNX Neutrino resource manager free from vulnerabilities.
- Utilities & Libraries
QNX Hypervisor
The QNX Hypervisor allows you to run multiple OSs on a target system so you can separate critical and non-critical functions, support a wide variety of applications, and reduce hardware costs.
QNX Software in the Cloud
QNX Software in the Cloud enables developers to use the QNX software in Amazon Web Services (AWS) and Microsoft Azure (Azure).
QNX Advanced Virtualization Frameworks User's Guide
This User's Guide is aimed at all systems integrators and developers who want to design and build embedded systems using the QNX Advanced Virtualization Frameworks.
Typographical Conventions, Support, and Licensing
This section describes the typographical conventions used throughout the documentation and explains how to obtain technical support.

qwf_wifi_VhtOperChanWidth_e

Possible values for VHT operating channel width used by hostapd

Synopsis:

#include <qwf/qwf_wifi.h>

typedef enum {
    WIFI_VHT_OPER_CH_WIDTH_UNUSED,
    WIFI_VHT_OPER_CH_WIDTH_20_40,
    WIFI_VHT_OPER_CH_WIDTH_80,
    WIFI_VHT_OPER_CH_WIDTH_160,
    WIFI_VHT_OPER_CH_WIDTH_80_80
} qwf_wifi_VhtOperChanWidth_e;

Data:

WIFI_VHT_OPER_CH_WIDTH_UNUSED: Channel width is not set
WIFI_VHT_OPER_CH_WIDTH_20_40: Channel width is 20 or 40 MHz
WIFI_VHT_OPER_CH_WIDTH_80: Channel width is 80 MHz
WIFI_VHT_OPER_CH_WIDTH_160: Channel width is 160 MHz
WIFI_VHT_OPER_CH_WIDTH_80_80: Channel width is 80+80 MHz

Library:

qwf_interface

Page updated: March 12, 2026