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From: Johannes Berg <johannes@sipsolutions.net>
To: Karl Beldan <karl.beldan@gmail.com>
Cc: Blaise Gassend <blaise@suitabletech.com>,
	linux-wireless@vger.kernel.org,
	Catalin Drula <catalin@suitabletech.com>,
	Alap Modi <amodi@arubanetworks.com>
Subject: Re: QoS Data packets causing massive packet loss in ieee80211_sta_manage_reorder_buf.
Date: Wed, 20 Nov 2013 12:39:47 +0100	[thread overview]
Message-ID: <1384947587.14295.6.camel@jlt4.sipsolutions.net> (raw)
In-Reply-To: <20131120112535.GC6993@magnum.frso.rivierawaves.com> (sfid-20131120_122610_761173_F299F154)

On Wed, 2013-11-20 at 12:25 +0100, Karl Beldan wrote:

> > > > > > http://p.sipsolutions.net/d00799dd2201676a.txt
> > > > > 
> > > > > This patch works like a charm for my current predicament. But is it
> > > > > actually written somewhere that multicast packets can't be aggregated?
> > > > > I can't find any place that says they can't, but I'm not authoritative
> > > > > by any means.
> > > > > 
> > > > There's a chapter "A-MPDU aggregation of group addressed data frames" in
> > > > the specs, however I haven't seen this yet.
> > > 
> > > Even then though, I don't think there would be any block-ack session,
> > > and thus you wouldn't be able to use the reorder buffer anyway, right?
> > > 
> > I think so.
> >  
> Except maybe for 802.11aa GCR (groupcast with retries) ..

But that will probably need much more work anyway ... :)

johannes


      reply	other threads:[~2013-11-20 11:39 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-20  8:41 QoS Data packets causing massive packet loss in ieee80211_sta_manage_reorder_buf Blaise Gassend
2013-11-20  8:48 ` Johannes Berg
2013-11-20 10:15   ` Blaise Gassend
2013-11-20 11:01     ` Karl Beldan
2013-11-20 11:06       ` Johannes Berg
2013-11-20 11:16         ` Karl Beldan
2013-11-20 11:25           ` Karl Beldan
2013-11-20 11:39             ` Johannes Berg [this message]

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