From: Johannes Berg <johannes@sipsolutions.net>
To: Michal Kazior <michal.kazior@tieto.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH] mac80211: disable u-APSD queues by default
Date: Tue, 03 Mar 2015 10:16:08 +0100 [thread overview]
Message-ID: <1425374168.2450.17.camel@sipsolutions.net> (raw)
In-Reply-To: <1423568924-11895-1-git-send-email-michal.kazior@tieto.com> (sfid-20150210_125033_043617_6CA9D3E9)
On Tue, 2015-02-10 at 12:48 +0100, Michal Kazior wrote:
> Some APs experience problems when working with
> U-APSD. Decreasing the probability of that
> happening by using legacy mode for all ACs but VO
> isn't enough.
>
> Cisco 4410N originally forced us to enable VO by
> default only because it treated non-VO ACs as
> legacy.
>
> However some APs (notably Netgear R7000) silently
> reclassify packets to different ACs. Since u-APSD
> ACs require trigger frames for frame retrieval
> clients would never see some frames (e.g. ARP
> responses) or would fetch them accidentally after
> a long time.
This makes me a little sad, but I've applied this and even added a Cc
stable tag due to the interoperability issues.
johannes
next prev parent reply other threads:[~2015-03-03 9:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-10 11:48 [PATCH] mac80211: disable u-APSD queues by default Michal Kazior
2015-03-03 9:16 ` Johannes Berg [this message]
2015-03-03 9:33 ` Krishna Chaitanya
2015-03-03 9:36 ` Johannes Berg
2015-03-03 10:15 ` Krishna Chaitanya
2015-03-03 10:28 ` Michal Kazior
2015-03-03 11:20 ` Krishna Chaitanya
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