How to support LWB5+ softAP mode with 80MHz in 5GHz band?

Answer

Two options to support softAP mode with 80MHz in 5GHz band.

Supplicant:

sdcsupp -Dnl80211 -c /etc/wpa_supplicant_ap.conf -i wlan0 -B

 

# cat /etc/wpa_supplicant_ap.conf

ctrl_interface=/var/run/wpa_supplicant_1

network={

        mode=2

        ssid="vht-80"

        scan_ssid=1

        key_mgmt=NONE

        frequency=5180

        vht=1

        ht40=1

        max_oper_chwidth=1

        vht_center_freq1=5210

}

 

 

Hostapd:

iw dev wlan0 interface add wlan1 type __ap

hostapd /etc/hostapd.conf -B 

 

# cat /etc/hostapd.conf

interface=wlan1

driver=nl80211 

ssid=Miles_80MHz_AP

hw_mode=a 

channel=36 

ieee80211n=1 

ieee80211ac=1 

vht_oper_chwidth=1 

vht_oper_centr_freq_seg0_idx=42

ht_capab=[HT40+]