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From: zhefeng xu <zhefeng_xu@hotmail.com>
To: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
CC: "Larry.Finger@lwfinger.net" <Larry.Finger@lwfinger.net>
Subject: Other updates on STA+AP mode with rtw_8822cu
Thread-Topic: Other updates on STA+AP mode with rtw_8822cu
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Date: Sat, 1 Jun 2024 02:07:19 +0000
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Hi,=0A=
=0A=
Recently I found I could connect the AP from android cellphone or iphone, b=
ut never succeeded connecting from windows 10, ubuntu or ipad. Not sure if =
it's the driver issue or hostapd incompatibility.=0A=
=0A=
phy#0=0A=
        Interface x0wlan0=0A=
                ifindex 43=0A=
                wdev 0x2=0A=
                addr 00:0e:8e:b3:fd:f5=0A=
                ssid ap_test_j=0A=
                type AP=0A=
                channel 40 (5200 MHz), width: 20 MHz, center1: 5200 MHz=0A=
                txpower 23.00 dBm=0A=
                multicast TXQ:=0A=
                        qsz-byt qsz-pkt flows   drops   marks   overlmt has=
hcol tx-bytes        tx-packets=0A=
                        0       0       11      0       0       0       3  =
     21340           183=0A=
        Interface wlan0=0A=
                ifindex 42=0A=
                wdev 0x1=0A=
                addr 00:0e:8e:b3:fd:eb=0A=
                ssid CIK-Mesh-2154-5G=0A=
                type managed=0A=
                channel 40 (5200 MHz), width: 80 MHz, center1: 5210 MHz=0A=
                txpower 23.00 dBm=0A=
                multicast TXQ:=0A=
                        qsz-byt qsz-pkt flows   drops   marks   overlmt has=
hcol tx-bytes        tx-packets=0A=
                        0       0       0       0       0       0       0  =
     0               0=0A=
=0A=
STA+AP can be set up using linux-router script. AP can access internet thro=
ugh managed wlan0 connection. I can watch youtube from the cellphone. After=
 a while, it's possible driver printing error information but the old conne=
ction to AP is still alive and able to access internet. And the connection =
can last for very long time.=0A=
=0A=
The log could be like:=0A=
=0A=
[  +0.005236] rtw_8822cu 3-1:1.2: failed to download drv rsvd page=0A=
[  +3.040394] rtw_8822cu 3-1:1.2: error beacon valid=0A=
[  +0.005233] rtw_8822cu 3-1:1.2: failed to download drv rsvd page=0A=
[  +0.184770] rtw_8822cu 3-1:1.2: error beacon valid=0A=
[  +0.005342] rtw_8822cu 3-1:1.2: failed to download drv rsvd page=0A=
[  +1.831908] rtw_8822cu 3-1:1.2: error beacon valid=0A=
[  +0.005334] rtw_8822cu 3-1:1.2: failed to download drv rsvd page=0A=
[  +0.270540] rtw_8822cu 3-1:1.2: error beacon valid=0A=
[  +0.005334] rtw_8822cu 3-1:1.2: failed to download drv rsvd page=0A=
[  +1.748539] rtw_8822cu 3-1:1.2: error beacon valid=0A=
[  +0.005094] rtw_8822cu 3-1:1.2: failed to download drv rsvd page=0A=
[  +0.283437] rtw_8822cu 3-1:1.2: error beacon valid=0A=
[  +0.005743] rtw_8822cu 3-1:1.2: failed to download drv rsvd page=0A=
=0A=
ssid advertisement could disappear (sometimes ssid still can be seen from o=
ther devices for a while until more severe exception messages printed out).=
=0A=
=0A=
I can look into hostapd's code to see if there's something special there (t=
he tool might work better with intel's adapters), and I saw there were peop=
le making up patches for hostapd to make it work better with realtek adapte=
rs (not for rtw_8822cu). =0A=
=0A=
Any help is much appreciated.=0A=
=0A=
Thanks=0A=
=0A=
Zhefeng=0A=