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From: Johannes Berg <johannes@sipsolutions.net>
To: Ben Greear <greearb@candelatech.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: Can we increase IEEE80211_MAX_QUEUES
Date: Thu, 03 Dec 2015 21:21:21 +0100	[thread overview]
Message-ID: <1449174081.31265.3.camel@sipsolutions.net> (raw)
In-Reply-To: <5660A31E.3010507@candelatech.com> (sfid-20151203_211637_306021_AF98F120)

On Thu, 2015-12-03 at 12:16 -0800, Ben Greear wrote:
> ath10k wants to use vdev-id as a queue-id, and I want to support up
> to
> 64 vdevs.  In the 4.2 kernel, this is causing splats when using lots
> of
> vdevs because then queue is out of range.
> 
> Can we just increase IEEE80211_MAX_QUEUES to 64?
> 

I think not, that would likely cause a lot of data structures to grow
too much. We'd have to do more dynamic things in that case, I suppose.

Does the original premise even make sense though? A single queue for
each vdev seems a bit strange.

johannes

  reply	other threads:[~2015-12-03 20:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-03 20:16 Can we increase IEEE80211_MAX_QUEUES Ben Greear
2015-12-03 20:21 ` Johannes Berg [this message]
2015-12-03 20:24   ` Johannes Berg
2015-12-03 20:29   ` Ben Greear
2015-12-03 23:12   ` Ben Greear
2015-12-05 13:22     ` Michal Kazior

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