MCM-iMX95 Yocto Linux: WiFi

WiFi

The SBC features 802.11ax WiFi and Bluetooth 5.3 BLE by Ezurio Sona™ NX611.
To use the WiFi, please ensure that WiFi antenna is connected to RF connector J2 (2-5G).
The NetworkManager can be used to manage WiFi interface.

Enable/Disable WiFi Interface

• To enable WiFi interface:

nmcli radio wifi on

• To disable WiFi interface:

nmcli radio wifi off

Network Scanning

• Sample WiFi scanning:

nmcli dev wifi list

The output will show the list of Access Points and Ad-Hoc cells in range.

Connecting to Access Point

In the following example:

• Replace <SSID> with the actual AP network name, system will prompt for the password:

nmcli device wifi connect <SSID> -ask name WifiCon

• Show the connection status:

nmcli connection show

• Disconnect wireless network:

nmcli connection down WifiCon

• Connect wireless network again:

nmcli connection up WifiCon

Creating Access Point

Debian 12 ipv4 forwarding must be turned on manually

• Prepare routing:

iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
iptables -A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -i uap0 -o eth0 -j ACCEPT
iptables-save > /etc/iptables/iptables.rules

• Enable port forwarding:

sed -i 's/^#\(net.ipv[4,6].*forward\)/\1/' /etc/sysctl.conf

nmcli radio wifi on

• In the following example Replace <SSID> and <PASSWORD> with desired access point parameters:

nmcli device wifi hotspot ssid <SSID> password <PASSWORD> con-name HotspotCon ifname uap0

• Disable wireless AP:

nmcli connection down HotspotCon

• Enable wireless AP again:

nmcli connection up HotspotCon