From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Johannes Berg <johannes@sipsolutions.net>, Kan Yan <kyan@google.com>
Cc: linux-wireless@vger.kernel.org,
make-wifi-fast@lists.bufferbloat.net, nbd@nbd.name,
yiboz@codeaurora.org, john@phrozen.org, lorenzo@kernel.org,
rmanohar@codeaurora.org, kevinhayes@google.com
Subject: Re: [PATCH v11 2/4] mac80211: Import airtime calculation code from mt76
Date: Fri, 22 Nov 2019 15:41:38 +0100 [thread overview]
Message-ID: <874kyw3rdp.fsf@toke.dk> (raw)
In-Reply-To: <994e486e8e82c01e70150eacf59dedf61b80fc65.camel@sipsolutions.net>
Johannes Berg <johannes@sipsolutions.net> writes:
> On Fri, 2019-11-22 at 14:11 +0100, Toke Høiland-Jørgensen wrote:
>>
>> as in bitrate = 1/airtime? Dunno, maybe? How important is precision to
>> the bitrate calculations?
>
> Not *that* important, it's just sort of advisory for userspace.
>
> Though I think there's at least one place in mac80211 related to
> radiotap that actually does use it for airtime calculation, which should
> probably be changed to the new code now ...
Yeah, I guess so. The ath9k driver is also doing software calculations
for RX, so that could also be converted; and mt76 should be, of course...
>> > 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?
>
> No idea ... make a new kselftest thing for wireless?
Right; was just wondering if there was something like that already which
I didn't know about :)
-Toke
next prev parent reply other threads:[~2019-11-22 14:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-19 6:06 [PATCH v11 0/4] Add Airtime Queue Limits (AQL) to mac80211 Kan Yan
2019-11-19 6:06 ` [PATCH v11 1/4] mac80211: Add new sta_info getter by sta/vif addrs Kan Yan
2019-11-19 6:06 ` [PATCH v11 2/4] mac80211: Import airtime calculation code from mt76 Kan Yan
2019-11-22 12:12 ` Johannes Berg
2019-11-22 12:56 ` Toke Høiland-Jørgensen
2019-11-22 13:00 ` Johannes Berg
2019-11-22 13:11 ` Toke Høiland-Jørgensen
2019-11-22 13:15 ` Johannes Berg
2019-11-22 14:41 ` Toke Høiland-Jørgensen [this message]
2019-11-22 12:27 ` Johannes Berg
2019-11-22 12:56 ` Toke Høiland-Jørgensen
2019-11-19 6:06 ` [PATCH v11 3/4] mac80211: Implement Airtime-based Queue Limit (AQL) Kan Yan
2019-11-19 6:06 ` [PATCH v11 4/4] mac80211: Use Airtime-based Queue Limits (AQL) on packet dequeue Kan Yan
2020-02-26 20:30 ` Felix Fietkau
2020-02-26 21:56 ` Toke Høiland-Jørgensen
2020-02-27 8:24 ` Kan Yan
2020-02-27 10:42 ` Felix Fietkau
2020-02-27 11:07 ` Toke Høiland-Jørgensen
2020-02-27 12:00 ` Felix Fietkau
2020-02-27 8:34 ` Felix Fietkau
2020-02-27 10:07 ` Toke Høiland-Jørgensen
2020-02-27 11:34 ` Felix Fietkau
2020-02-27 11:59 ` Toke Høiland-Jørgensen
2020-02-27 9:25 ` Justin Capella
2020-02-27 10:17 ` Toke Høiland-Jørgensen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=874kyw3rdp.fsf@toke.dk \
--to=toke@redhat.com \
--cc=johannes@sipsolutions.net \
--cc=john@phrozen.org \
--cc=kevinhayes@google.com \
--cc=kyan@google.com \
--cc=linux-wireless@vger.kernel.org \
--cc=lorenzo@kernel.org \
--cc=make-wifi-fast@lists.bufferbloat.net \
--cc=nbd@nbd.name \
--cc=rmanohar@codeaurora.org \
--cc=yiboz@codeaurora.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.