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Subject: Re: [PATCH 4/4] mac80211: implement cqm using rx data signal
From: Johannes Berg <johannes@sipsolutions.net>
To: tamizhr@codeaurora.org
Cc: linux-wireless@vger.kernel.org, tamizhr@qti.qualcomm.com
Date: Mon, 22 Jan 2018 14:01:54 +0100
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On Wed, 2018-01-17 at 13:01 +0530, tamizhr@codeaurora.org wrote:
> 
> +		if (!fast_rx->uses_rss) {
>  			ewma_signal_add(&sta->rx_stats_avg.signal,
>  					-status->signal);
> +			sta->count_rx_signal++;
> +			if (sta->count_rx_signal >=
> +			    IEEE80211_STA_SIGNAL_AVE_MIN_COUNT)
> +				ieee80211_sta_rx_signal_thold_check(rx);
> +		}
> 
Obviously this also means that not all mac80211 drivers will get the
feature, which also means we really do need a feature bit for it, and
one that mac80211 can only set if the driver promised not to use RSS.

johannes