Date: Mon, 08 Feb 2016 19:13:36 +0100
Message-ID: <87zivbdq9b.wl-jch@pps.univ-paris-diderot.fr> (sfid-20160208_202548_750094_388DDF4C)
From: Juliusz Chroboczek <jch@pps.univ-paris-diderot.fr>
To: Dave Taht <dave.taht@gmail.com>
Cc: Felix Fietkau <nbd@openwrt.org>,
	Krishna Chaitanya <chaitanya.mgit@gmail.com>,
	Emmanuel Grumbach <egrumbach@gmail.com>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Johannes Berg <johannes@sipsolutions.net>,
	Stuart Cheshire <cheshire@gmail.com>
Subject: Re: [RFC v4] mac80211: add A-MSDU tx support
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> One iwl user has reported that AMPDUs are disabled by default on iwl,

That was me.

> and had to do this:
>
> options iwlwifi 11n_disable=8
>
> For a 4fold reduction in latency under load in his tests, iwl to ath9k.

No, it was ath9k to iwl.  I don't understand it either: enabling AMPDUs on
the STA dramatically reduces latency under load in the AP->STA direction.

-- Juliusz