NXP Semiconductors UM11490 - Configure WPA to Connect with AP Using the Open Source Supplicant

NXP Semiconductors
UM11490
Feature Configuration Guide for NXP-based Wireless Modules on i.MX 8M Quad EVK
2.4.4 Configure WPA to connect with AP using the open source supplicant
This section describes the configuration for wpa_supplicant to configure WPA security
and connect with the Access Point.
Edit the configuration
Command to configure WPA to connect with AP for an open source supplicant:
root@imx8mqevk:~# nano /etc/wpa_supplicant.conf
Configuration file content:
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=0
update_config=1
network={
ssid="NXP_Demo"
key_mgmt=WPA-PSK
psk="123456789"
}
Connect with the AP
Commands to connect the device with the WPA-based AP:
root@imx8mqevk:~# killall wpa_supplicant
root@imx8mqevk:~# killall hostapd
root@imx8mqevk:~# wpa_supplicant -i mlan0 -Dnl80211 –c /etc/
wpa_supplicant.conf
Command output example:
Successfully initialized wpa_supplicant
rfkill: Cannot open RFKILL contro[29837.078281] IPv6:
ADDRCONF(NETDEV_UP): mlan0: link is not read
[29837.210057] wlan: mlan0 START SCAN
[29841.854417] wlan: SCAN COMPLETED: scanned AP count=20
mlan0: Trying to associate with 40:49:0f:9e:66:fd (SSID='NXP_Demo'
freq=2437 MHz)
[29841.873434] wlan: Connected to bssid 40:XX:XX:XX:66:fd successfully
mlan0: Associated with 40:49:0f:9e:66:fd
mlan0: CTRL-EVENT-SUBNET-STATUS-UPDATE status=0
mlan0: WPA: Key negotiation compl[29841.891468] IPv6:
ADDRCONF(NETDEV_CHANGE): mlan0: link becomes ready
eted with 40:49:0f:9e:66:fd [PTK=[29841.901022]
woal_cfg80211_set_rekey_data return: gtk_rekey_offload is DISABLE
TKIP GTK=TKIP]
mlan0: CTRL-EVENT-CONNECTED - Connection to 40:49:0f:9e:66:fd
completed [id=0 id_str=]
UM11490 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2021. All rights reserved.
User manual Rev. 2 — 29 January 2021
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