Hi Martin, > -----Original Message----- > From: Viacheslav <adeep@xxxxxxxxx> > Sent: Thursday, January 11, 2024 2:19 PM > To: Ping-Ke Shih <pkshih@xxxxxxxxxxx>; linux-wireless@xxxxxxxxxxxxxxx > Cc: Jernej Škrabec <jernej.skrabec@xxxxxxxxx>; Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > Subject: Re: rtw88: rtl8822cs AP mode not working > > 11/01/2024 03.42, Ping-Ke Shih пишет: > > > > > >> -----Original Message----- > >> From: Viacheslav <adeep@xxxxxxxxx> > >> Sent: Wednesday, January 10, 2024 7:05 PM > >> To: Ping-Ke Shih <pkshih@xxxxxxxxxxx>; linux-wireless@xxxxxxxxxxxxxxx > >> Cc: Jernej Škrabec <jernej.skrabec@xxxxxxxxx>; Martin Blumenstingl > <martin.blumenstingl@xxxxxxxxxxxxxx> > >> Subject: Re: rtw88: rtl8822cs AP mode not working > >> > >> Hi! > >> > >> 10/01/2024 12.15, Ping-Ke Shih wrote: > >>> > >>> > >>>> -----Original Message----- > >>>> From: Viacheslav <adeep@xxxxxxxxx> > >>>> Sent: Wednesday, January 10, 2024 3:07 PM > >>>> To: linux-wireless@xxxxxxxxxxxxxxx > >>>> Cc: Ping-Ke Shih <pkshih@xxxxxxxxxxx>; Jernej Škrabec <jernej.skrabec@xxxxxxxxx>; Martin Blumenstingl > >>>> <martin.blumenstingl@xxxxxxxxxxxxxx> > >>>> Subject: rtw88: rtl8822cs AP mode not working > >>>> > >>>> Hello! > >>>> > >>>> We use RTL8822CS modules in our devices and we switched to rtw88 from an > >>>> external driver by Realtek. Suddenly we discovered that the AP mode > >>>> (hotspot) stopped working. The hotspot is set up, but it does not > >>>> authorize client connections. > >>>> > >>>> In attacments log and config files. > >>>> > >>>> client - notebook with iwlwifi 0000:00:14.3: Detected Killer(R) Wi-Fi 6E > >>>> AX1675i 160MHz Wireless Network Adapter (211NGW), REV=0x370 > >>>> > >>> > >>> It is probably because RTL8822CS doesn't issue beacon properly. Trying to > >>> capture air packets will be helpful to clarify the problem. > >> > >> airdump-ng result in attachment. > >> I don't see any captured beacon packets. > > > > So, that is the problem. Did you see any weird messages in kernel log when > > you were starting hostapd? > > > > > dmesg/journalctl is clean. No messages related to wifi. > Have you ever tried AP mode on SDIO interface wifi cards, like RTL8822CS? It seems no beacon issues properly, but no obvious errors during starting AP mode. I don't have this kind of wifi cards, could you help to check if AP mode works in your side? Thank you Ping-Ke