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From: Johannes Berg <johannes@sipsolutions.net>
To: Avery Pennarun <apenwarr@gmail.com>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	ath9k-devel@vger.kernel.org, nbd@nbd.name
Subject: Re: [PATCH] mac80211: debugfs var for the default aggregation timeout.
Date: Tue, 23 Feb 2016 11:14:01 +0100	[thread overview]
Message-ID: <1456222441.2041.10.camel@sipsolutions.net> (raw)
In-Reply-To: <1455658091-28262-2-git-send-email-apenwarr@gmail.com> (sfid-20160216_222826_373181_FA784E45)

On Tue, 2016-02-16 at 16:28 -0500, Avery Pennarun wrote:
> Since around the beginning of time, ath9k aggregates have timed out
> after
> 5000 TU (around 5000ms) of inactivity, but nobody seems to be quite
> sure
> why, and this magic number seems to have migrated around from one
> place to
> another.  An openbsd mailing list recently had a patch to disable the
> timeout completely, which they say matches some commercial routers:
> https://www.mail-archive.com/tech@openbsd.org/msg29456.html
> 
> Even in Linux, several non-ath9k drivers default to no timeout
> already.  I
> think changing it directly to zero would be safe, but to allow a more
> structured investigation, let's make it configurable for now.
> 
Since we just made it zero, perhaps we don't need this?

Although perhaps we still want it to be able to debug it?

Anyway - you shouldn't create a debugfs file and play with the extern
stuff etc., let minstrel create the debugfs file in minstrel_ht_alloc()

johannes

  parent reply	other threads:[~2016-02-23 10:14 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-04  5:03 ath9k(?): AP stops sending traffic to iPhone 4S until another 802.11n-capable STA joins Avery Pennarun
2016-02-16 21:28 ` Avery Pennarun
2016-02-16 21:28   ` [PATCH] mac80211: debugfs var for the default aggregation timeout Avery Pennarun
2016-02-16 21:44     ` Johannes Berg
2016-02-17  2:05     ` Sujith Manoharan
2016-02-23 10:14     ` Johannes Berg [this message]
2016-02-23 18:43       ` Avery Pennarun
2016-02-23 20:05         ` Johannes Berg
2016-04-05 23:46           ` Avery Pennarun
2016-04-06  7:40             ` Johannes Berg
2016-04-08  1:32               ` Avery Pennarun
2016-04-08  6:56                 ` Johannes Berg
2016-04-08  7:01                   ` Johannes Berg
2016-04-08  7:15                     ` Johannes Berg
2016-04-08  8:31                       ` Avery Pennarun
2016-04-09  1:27                         ` Avery Pennarun
2016-04-09  4:56                           ` Johannes Berg
2016-04-10  0:31                             ` Adrian Chadd
2016-04-10  1:59                               ` bruce m beach
2016-04-19  1:29                                 ` Avery Pennarun
2016-02-16 22:05   ` ath9k(?): AP stops sending traffic to iPhone 4S until another 802.11n-capable STA joins Johannes Berg
2016-02-17  4:32     ` Avery Pennarun
2016-02-17  6:23       ` Krishna Chaitanya
2016-02-17  7:05         ` Avery Pennarun

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