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From: Johannes Berg <johannes@sipsolutions.net>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>
Cc: linux-wireless@vger.kernel.org,
	make-wifi-fast@lists.bufferbloat.net, ath10k@lists.infradead.org,
	John Crispin <john@phrozen.org>,
	Lorenzo Bianconi <lorenzo@kernel.org>,
	Felix Fietkau <nbd@nbd.name>, Kan Yan <kyan@google.com>,
	Rajkumar Manoharan <rmanohar@codeaurora.org>,
	Kevin Hayes <kevinhayes@google.com>
Subject: Re: [PATCH v6 2/4] mac80211: Import airtime calculation code from mt76
Date: Fri, 08 Nov 2019 11:57:54 +0100	[thread overview]
Message-ID: <4ce4c199522ef112362efb8db8823e31d5c41944.camel@sipsolutions.net> (raw)
In-Reply-To: <87d0e2fxi0.fsf@toke.dk>

On Fri, 2019-11-08 at 11:55 +0100, Toke Høiland-Jørgensen wrote:
> Johannes Berg <johannes@sipsolutions.net> writes:
> 
> > On Wed, 2019-10-23 at 11:59 +0200, Toke Høiland-Jørgensen wrote:
> > > From: Toke Høiland-Jørgensen <toke@redhat.com>
> > > 
> > > Felix recently added code to calculate airtime of packets to the mt76
> > > driver. Import this into mac80211 so we can use it for airtime queue limit
> > > calculations later.
> > > 
> > > The airtime.c file is copied verbatim from the mt76 driver, and adjusted to
> > > use mac80211 data structures instead (which is fairly straight forward).
> > > The per-rate TX rate calculation is split out to its own
> > > function (ieee80211_calc_tx_airtime_rate()) so it can be used directly for
> > > the AQL calculations added in a subsequent patch.
> > 
> > Any way it could be exposed by mac80211 back to the drivers, perhaps, to
> > share it?
> 
> Didn't I already export some of the functions? My intention was to do
> that, certainly, and to patch mt76 to switch to using them once the
> trees have converged...

Yeah, I think you did. Sounds good.

johannes


WARNING: multiple messages have this Message-ID (diff)
From: Johannes Berg <johannes@sipsolutions.net>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>
Cc: Kan Yan <kyan@google.com>,
	Rajkumar Manoharan <rmanohar@codeaurora.org>,
	Kevin Hayes <kevinhayes@google.com>,
	make-wifi-fast@lists.bufferbloat.net,
	linux-wireless@vger.kernel.org, ath10k@lists.infradead.org,
	John Crispin <john@phrozen.org>,
	Lorenzo Bianconi <lorenzo@kernel.org>,
	Felix Fietkau <nbd@nbd.name>
Subject: Re: [PATCH v6 2/4] mac80211: Import airtime calculation code from mt76
Date: Fri, 08 Nov 2019 11:57:54 +0100	[thread overview]
Message-ID: <4ce4c199522ef112362efb8db8823e31d5c41944.camel@sipsolutions.net> (raw)
In-Reply-To: <87d0e2fxi0.fsf@toke.dk>

On Fri, 2019-11-08 at 11:55 +0100, Toke Høiland-Jørgensen wrote:
> Johannes Berg <johannes@sipsolutions.net> writes:
> 
> > On Wed, 2019-10-23 at 11:59 +0200, Toke Høiland-Jørgensen wrote:
> > > From: Toke Høiland-Jørgensen <toke@redhat.com>
> > > 
> > > Felix recently added code to calculate airtime of packets to the mt76
> > > driver. Import this into mac80211 so we can use it for airtime queue limit
> > > calculations later.
> > > 
> > > The airtime.c file is copied verbatim from the mt76 driver, and adjusted to
> > > use mac80211 data structures instead (which is fairly straight forward).
> > > The per-rate TX rate calculation is split out to its own
> > > function (ieee80211_calc_tx_airtime_rate()) so it can be used directly for
> > > the AQL calculations added in a subsequent patch.
> > 
> > Any way it could be exposed by mac80211 back to the drivers, perhaps, to
> > share it?
> 
> Didn't I already export some of the functions? My intention was to do
> that, certainly, and to patch mt76 to switch to using them once the
> trees have converged...

Yeah, I think you did. Sounds good.

johannes


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  reply	other threads:[~2019-11-08 10:58 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-23  9:58 [PATCH v6 0/4] Add Airtime Queue Limits (AQL) to mac80211 Toke Høiland-Jørgensen
2019-10-23  9:58 ` Toke Høiland-Jørgensen
2019-10-23  9:59 ` [PATCH v6 1/4] mac80211: Shrink the size of ack_frame_id to make room for tx_time_est Toke Høiland-Jørgensen
2019-10-23  9:59   ` Toke Høiland-Jørgensen
2019-11-08 10:03   ` Johannes Berg
2019-11-08 10:03     ` Johannes Berg
2019-10-23  9:59 ` [PATCH v6 2/4] mac80211: Import airtime calculation code from mt76 Toke Høiland-Jørgensen
2019-10-23  9:59   ` Toke Høiland-Jørgensen
2019-11-08 10:07   ` Johannes Berg
2019-11-08 10:07     ` Johannes Berg
2019-11-08 10:55     ` Toke Høiland-Jørgensen
2019-11-08 10:55       ` Toke Høiland-Jørgensen
2019-11-08 10:57       ` Johannes Berg [this message]
2019-11-08 10:57         ` Johannes Berg
2019-10-23  9:59 ` [PATCH v6 3/4] mac80211: Implement Airtime-based Queue Limit (AQL) Toke Høiland-Jørgensen
2019-10-23  9:59   ` Toke Høiland-Jørgensen
2019-11-08 10:09   ` Johannes Berg
2019-11-08 10:09     ` Johannes Berg
2019-11-08 10:56     ` Toke Høiland-Jørgensen
2019-11-08 10:56       ` Toke Høiland-Jørgensen
2019-11-08 10:59       ` Johannes Berg
2019-11-08 10:59         ` Johannes Berg
2019-11-08 11:10         ` Toke Høiland-Jørgensen
2019-11-08 11:10           ` Toke Høiland-Jørgensen
2019-11-08 11:17           ` Johannes Berg
2019-11-08 11:17             ` Johannes Berg
2019-11-09  1:22             ` Kan Yan
2019-11-09  1:22               ` Kan Yan
2019-11-09 11:22               ` Toke Høiland-Jørgensen
2019-11-09 11:22                 ` Toke Høiland-Jørgensen
2019-10-23  9:59 ` [PATCH v6 4/4] mac80211: Use Airtime-based Queue Limits (AQL) on packet dequeue Toke Høiland-Jørgensen
2019-10-23  9:59   ` Toke Høiland-Jørgensen
2019-11-08 10:17   ` Johannes Berg
2019-11-08 10:17     ` Johannes Berg
2019-11-08 11:01     ` Toke Høiland-Jørgensen
2019-11-08 11:01       ` Toke Høiland-Jørgensen
2019-11-08 11:05       ` Johannes Berg
2019-11-08 11:05         ` Johannes Berg
2019-11-07  6:14 ` [PATCH v6 0/4] Add Airtime Queue Limits (AQL) to mac80211 Kan Yan
2019-11-07  6:14   ` Kan Yan
2019-11-07 10:55   ` Toke Høiland-Jørgensen
2019-11-07 10:55     ` Toke Høiland-Jørgensen
2019-11-07 21:24   ` [Make-wifi-fast] " Dave Taht

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