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RE: Difficulty connecting to AP using rtw89

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> -----Original Message-----
> From: Larry Finger [mailto:larry.finger@xxxxxxxxx] On Behalf Of Larry Finger
> Sent: Friday, July 16, 2021 8:52 AM
> To: linux-wireless
> Subject: Difficulty connecting to AP using rtw89
> 
> Hi,
> 
> I am trying to help some users of my GitHub repo for rtw89. Several are having
> problems trying to connect to their APs. When their AP scan lists the following:
> 
> WPA:	 * Version: 1
> 	 * Group cipher: TKIP
> 	 * Pairwise ciphers: TKIP
> 	 * Authentication suites: PSK
> RSN:	 * Version: 1
> 	 * Group cipher: TKIP
> 	 * Pairwise ciphers: CCMP
> 	 * Authentication suites: PSK
> 	 * Capabilities: 1-PTKSA-RC 1-GTKSA-RC (0x0000)
> 
> I have no problems. My scan results show:
> 
>          RSN:     * Version: 1
>                   * Group cipher: CCMP
>                   * Pairwise ciphers: CCMP
>                   * Authentication suites: PSK
>                   * Capabilities: 16-PTKSA-RC 1-GTKSA-RC (0x000c)
> 
> At least one of them can connect to a hotspot created on his phone; however, it
> also shows Capabilities: 16-PTKSA-RC 1-GTKSA-RC (0x000c). I have tried to
> discover what causes the difference between this value and that of Capabilities:
> 1-PTKSA-RC 1-GTKSA-RC (0x0000). No matter how I setup my APs, I always get
> 16-PTKSA-RC.
> 
> Can anyone help me understand this problem?
> 

Hi Larry,

I'm not sure if the problem the users met is related to security or not.
But, we have a solution to deal with similar symptom. 
Please apply and try attached patch to see if it is helpful.

--
Ping-Ke


Attachment: 20210702_00_init_tp_regs.patch
Description: 20210702_00_init_tp_regs.patch


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