From: Larry Finger <Larry.Finger@lwfinger.net>
To: Pkshih <pkshih@realtek.com>,
"Maciej S. Szmigiero" <mail@maciej.szmigiero.name>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"johannes@sipsolutions.net" <johannes@sipsolutions.net>,
"kvalo@codeaurora.org" <kvalo@codeaurora.org>
Subject: Re: rtlwifi/rtl8192cu AP mode broken with PS STA
Date: Sun, 18 Apr 2021 20:23:02 -0500 [thread overview]
Message-ID: <52f89f4f-568e-f04e-5c3e-e31f4a9e0910@lwfinger.net> (raw)
In-Reply-To: <35249c6028f645a79c4186c9689ba8aa@realtek.com>
On 4/18/21 7:32 PM, Pkshih wrote:
>
>> -----Original Message-----
>> From: Maciej S. Szmigiero [mailto:mail@maciej.szmigiero.name]
>> Sent: Sunday, April 18, 2021 2:08 AM
>> To: Pkshih
>> Cc: linux-wireless@vger.kernel.org; netdev@vger.kernel.org; linux-kernel@vger.kernel.org;
>> johannes@sipsolutions.net; kvalo@codeaurora.org; Larry Finger
>> Subject: Re: rtlwifi/rtl8192cu AP mode broken with PS STA
>>
>> On 08.04.2021 21:04, Maciej S. Szmigiero wrote:
>>> On 08.04.2021 06:42, Pkshih wrote:
>>>>> -----Original Message-----
>>>>> From: Maciej S. Szmigiero [mailto:mail@maciej.szmigiero.name]
>>>>> Sent: Thursday, April 08, 2021 4:53 AM
>>>>> To: Larry Finger; Pkshih
>>>>> Cc: linux-wireless@vger.kernel.org; netdev@vger.kernel.org; linux-kernel@vger.kernel.org;
>>>>> johannes@sipsolutions.net; kvalo@codeaurora.org
>>>>> Subject: Re: rtlwifi/rtl8192cu AP mode broken with PS STA
>>>>>
>>> (...)
>>>>>> Maceij,
>>>>>>
>>>>>> Does this patch fix the problem?
>>>>>
>>>>> The beacon seems to be updating now and STAs no longer get stuck in PS
>>>>> mode.
>>>>> Although sometimes (every 2-3 minutes with continuous 1s interval pings)
>>>>> there is around 5s delay in updating the transmitted beacon - don't know
>>>>> why, maybe the NIC hardware still has the old version in queue?
>>>>
>>>> Since USB device doesn't update every beacon, dtim_count isn't updated neither.
>>>> It leads STA doesn't awake properly. Please try to fix dtim_period=1 in
>>>> hostapd.conf, which tells STA awakes every beacon interval.
>>>
>>> The situation is the same with dtim_period=1.
>>>
>> (...)
>>
>> Ping-Ke,
>> are you going to submit your set_tim() patch so at least the AP mode is
>> usable with PS STAs or are you waiting for a solution to the delayed
>> beacon update issue?
>>
>
> I'm still trying to get a 8192cu, and then I can reproduce the symptom you
> met. However, I'm busy now; maybe I have free time two weeks later.
>
> Do you think I submit the set_tim() patch with your Reported-by and Tested-by first?
PK,
I would say yes. Get the fix in as soon as possible.
Larry
next prev parent reply other threads:[~2021-04-19 1:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-28 22:54 rtlwifi/rtl8192cu AP mode broken with PS STA Maciej S. Szmigiero
2021-04-04 18:06 ` Maciej S. Szmigiero
2021-04-06 10:00 ` Kalle Valo
2021-04-06 12:06 ` Maciej S. Szmigiero
2021-04-06 16:25 ` Larry Finger
2021-04-06 18:29 ` Maciej S. Szmigiero
2021-04-07 2:48 ` Pkshih
2021-04-07 4:21 ` Larry Finger
2021-04-07 20:53 ` Maciej S. Szmigiero
2021-04-08 4:42 ` Pkshih
2021-04-08 19:04 ` Maciej S. Szmigiero
2021-04-17 18:07 ` Maciej S. Szmigiero
2021-04-19 0:32 ` Pkshih
2021-04-19 1:23 ` Larry Finger [this message]
2021-04-19 7:04 ` Pkshih
2021-04-19 19:25 ` Maciej S. Szmigiero
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