[Make-wifi-fast] [PATCH v11 2/4] mac80211: Import airtime calculation code from mt76
toke at redhat.com
Fri Nov 22 08:11:18 EST 2019
Johannes Berg <johannes at sipsolutions.net> writes:
>> Well, one calculates bitrates while the other calculates airtime? ;)
>> But yeah, I get what you mean. I think Felix went through quite some
>> pains to structure this code to avoid divisions in the fast path. I
>> guess that is the main blocker for cfg80211_calculate_bitrate() to be
>> used instead (assuming we do want to consolidate them eventually). Not
>> sure if that can be fixed easily though?
> We could also do it the other way around?
as in bitrate = 1/airtime? Dunno, maybe? How important is precision to
the bitrate calculations?
> Or maybe we should keep both and use them as a sanity check for each
> other :P
Hmm, yeah, it should be possible to write a selftest to iterate through
all rates and compare the output of each calculation, shouldn't it?
Where would be a good place to put that?
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