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From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: John Crispin <john@phrozen.org>,
	Johannes Berg <johannes@sipsolutions.net>,
	Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org
Subject: Re: [PATCH 1/2] mac80211: allow setting queue_len for drivers not using wake_tx_queue
Date: Tue, 11 Feb 2020 13:29:44 +0100	[thread overview]
Message-ID: <87eev1b93b.fsf@toke.dk> (raw)
In-Reply-To: <20200211122605.13002-1-john@phrozen.org>

John Crispin <john@phrozen.org> writes:

> Currently a mac80211 driver can only set the txq_limit when using
> wake_tx_queue. Not all drivers use wake_tx_queue. This patch adds a new
> element to wiphy allowing a driver to set a custom tx_queue_len and the
> code that will apply it in case it is set. The current default is
> 1000 which is too low for ath11k when doing HE rates.

Fine, but we should really fix ath11k to do something smarter than a
fixed queue len... 4096 packets is 6 seconds of queueing at 8Mbps :/

-Toke


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ath11k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath11k

WARNING: multiple messages have this Message-ID (diff)
From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: John Crispin <john@phrozen.org>,
	Johannes Berg <johannes@sipsolutions.net>,
	Kalle Valo <kvalo@codeaurora.org>
Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org,
	John Crispin <john@phrozen.org>
Subject: Re: [PATCH 1/2] mac80211: allow setting queue_len for drivers not using wake_tx_queue
Date: Tue, 11 Feb 2020 13:29:44 +0100	[thread overview]
Message-ID: <87eev1b93b.fsf@toke.dk> (raw)
In-Reply-To: <20200211122605.13002-1-john@phrozen.org>

John Crispin <john@phrozen.org> writes:

> Currently a mac80211 driver can only set the txq_limit when using
> wake_tx_queue. Not all drivers use wake_tx_queue. This patch adds a new
> element to wiphy allowing a driver to set a custom tx_queue_len and the
> code that will apply it in case it is set. The current default is
> 1000 which is too low for ath11k when doing HE rates.

Fine, but we should really fix ath11k to do something smarter than a
fixed queue len... 4096 packets is 6 seconds of queueing at 8Mbps :/

-Toke


  parent reply	other threads:[~2020-02-11 12:29 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-11 12:26 [PATCH 1/2] mac80211: allow setting queue_len for drivers not using wake_tx_queue John Crispin
2020-02-11 12:26 ` John Crispin
2020-02-11 12:26 ` [PATCH 2/2] ath11k: set queue_len to 4096 John Crispin
2020-02-11 12:26   ` John Crispin
2020-03-17  6:40   ` Kalle Valo
2020-03-17  6:40   ` Kalle Valo
2020-02-11 12:29 ` Toke Høiland-Jørgensen [this message]
2020-02-11 12:29   ` [PATCH 1/2] mac80211: allow setting queue_len for drivers not using wake_tx_queue Toke Høiland-Jørgensen

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