netdev - Re: [PATCH] mt76: Enable NL80211_EXT_FEATURE_CQM_RSSI

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Date:   Sat, 18 Aug 2018 04:28:27 +0200
From:   Andrew Zaborowski <andrew.zaborowski@...el.com>
To:     Kristian Evensen <kristian.evensen@...il.com>
Cc:     lorenzo.bianconi@...hat.com,
        Arend van Spriel <arend.vanspriel@...adcom.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        linux-wireless@...r.kernel.org,
        Network Development <netdev@...r.kernel.org>
Subject: Re: [PATCH] mt76: Enable NL80211_EXT_FEATURE_CQM_RSSI_LIST

Hi,

On 13 August 2018 at 16:25, Kristian Evensen <kristian.evensen@...il.com> wrote:
> On Mon, Aug 13, 2018 at 12:55 PM Lorenzo Bianconi
> <lorenzo.bianconi@...hat.com> wrote:
>> According to my understanding (please correct me if I am wrong)
>> BSS_CHANGED_CQM is only needed if CQM_RSSI is handled
>> by the driver/fw, while if it is not set mac80211 will take care of that
>> in ieee80211_handle_beacon_sig routine.
>> I am AFK at the moment, I will test that patch when I am back from vacations.
>
> That matches my understanding as well (base on for example the message
> for commit ae44b502669d0cd1f167cdb48994292aa20fd3dd).

This is right, mt7601u had this flag added in that commit but the mt76
drivers were added later.  It seems mt76_rx_convert always sets the
ieee80211_rx_status.signal field so mac80211 can check the rssi values
and call any CQM callbacks if needed.

Best regards