netdev - Re: Realtek r8822be kernel module does not negotiate 802.11ac connection

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Message-ID: <96c5b6c4-61fe-570d-ba2d-7721b1be7cca@gmail.com>
Date:   Sat, 2 Mar 2019 13:09:03 -0500
From:   "David R. Bergstein" <david.r.bergstein@...il.com>
To:     Larry Finger <Larry.Finger@...inger.net>,
        Tony Chuang <yhchuang@...ltek.com>
Cc:     Pkshih <pkshih@...ltek.com>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Realtek r8822be kernel module does not negotiate 802.11ac
 connection

Larry,

I tried using iw but it gives the same reading for bit rate.  In regard
to the firmware, it was not installed via "make install" so I did it
manually.

Sincerely,

David R. Bergstein

On 3/2/19 12:58 PM, Larry Finger wrote:
>> Larry,
>>
>> Sorry about all these extra replies.  Shortly after I sent my last
>> message my access point started recognizing the connection as 802.11ac
>> with PHY Rate / Modulation Rate of 866.6 Mbps.  What is somewhat
>> misleading is the information reported by iwconfig (see bit rate below).
>>
>> $ iwconfig wlo1
>> wlo1      IEEE 802.11  ESSID:"XXXXXXXXXX-5G"
>>            Mode:Managed  Frequency:5.22 GHz  Access Point:
>> xx:xx:xx:xx:xx:xx
>>            Bit Rate=6.5 Mb/s   Tx-Power=23 dBm
>>            Retry short limit:7   RTS thr:off   Fragment thr:off
>>            Power Management:on
>>            Link Quality=70/70  Signal level=-40 dBm
>>            Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>>            Tx excessive retries:0  Invalid misc:11   Missed beacon:0
>
> The utility iwconfig is obsolete and not exactly up to date with the
> latest in wireless. I am not an expert on iw, but I think you want 'iw
> dev wlo1 link'.
>
> I am wondering about the missing firmware stage. Had you not done the
> 'sudo make install' step, or did that step fail to install the firmware?
>
> Larry
>