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From: Johannes Berg <johannes@sipsolutions.net>
To: Sujith <Sujith.Manoharan@atheros.com>
Cc: Tomas Winkler <tomasw@gmail.com>,
	"linville@tuxdriver.com" <linville@tuxdriver.com>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	Luis Rodriguez <Luis.Rodriguez@Atheros.com>
Subject: Re: [RFC] mac80211: Re-enable aggregation
Date: Thu, 23 Oct 2008 16:46:41 +0200	[thread overview]
Message-ID: <1224773201.6002.35.camel@johannes.berg> (raw)
In-Reply-To: <18688.15460.336059.400706@gargle.gargle.HOWL>

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On Thu, 2008-10-23 at 14:27 +0530, Sujith wrote:

> > Yeah, this is something we definitely need to work out. We haven't even
> > managed to decide yet how aggregated packets are given to the driver :)
> > I think for atheros and bcom a model where mac80211 decides pretty much
> > everything and hands the driver a list of skbs to aggregate would work
> > best, but then I think that wouldn't work with your hw at all.
> > 
> 
> Retransmission of unacked frames is done within the driver, in ath9k.
> In case of retry exhaustion (failed transmission), we do what Intel does,
> i.e, request for a BAR to be sent out.

We have this "ampdu_ack_map" parameter in the TX status which could be
set by the driver. But that assumes we only want a single TX status for
all A-MPDU frames, do we really? Or do we want to split them up and
handle it all in mac80211?

johannes

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  reply	other threads:[~2008-10-23 14:47 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-20  8:22 [RFC] mac80211: Re-enable aggregation Sujith
2008-10-20  8:31 ` Johannes Berg
2008-10-20  8:35   ` Luis R. Rodriguez
2008-10-20  8:45     ` Johannes Berg
2008-10-20  8:47       ` Sujith
2008-10-20  8:55         ` Luis R. Rodriguez
2008-10-20  8:57           ` Johannes Berg
2008-10-20  9:01             ` Luis R. Rodriguez
2008-10-20  9:04               ` Johannes Berg
2008-10-20  9:05                 ` Luis R. Rodriguez
2008-10-20  9:11                 ` Sujith
2008-10-20  8:57       ` Luis R. Rodriguez
2008-10-20  8:58   ` Sujith
2008-10-20  9:12     ` Johannes Berg
2008-10-20  9:31       ` Sujith
2008-10-20  9:38         ` Johannes Berg
2008-10-20 10:35           ` Sujith
2008-10-20 12:22             ` Johannes Berg
2008-10-20 18:03               ` Sujith
2008-10-20 21:46                 ` Tomas Winkler
2008-10-21  6:46                   ` Johannes Berg
2008-10-21  7:18                   ` Sujith
2008-10-22 10:03                   ` Johannes Berg
2008-10-22 11:59                     ` Tomas Winkler
2008-10-22 17:22                       ` Johannes Berg
2008-10-23  8:57                         ` Sujith
2008-10-23 14:46                           ` Johannes Berg [this message]
2008-10-27 14:25                             ` Sujith
2008-10-27 15:04                               ` Johannes Berg
2008-10-27 15:56                                 ` Tomas Winkler
2008-10-27 16:04                                   ` Johannes Berg
2008-10-28 14:24                                     ` Tomas Winkler
2008-10-22 10:00                 ` Johannes Berg
2008-10-22 11:41                   ` Tomas Winkler
2008-10-22 17:24                     ` Johannes Berg
2008-10-23  9:31                   ` Sujith
2008-10-23 14:45                     ` Johannes Berg
2008-10-23 17:23                       ` Luis R. Rodriguez
2008-10-23 18:31                         ` Tomas Winkler
2008-10-23 20:18                           ` Luis R. Rodriguez
2008-10-23 21:17                             ` Tomas Winkler
2008-10-31  1:26                               ` Luis R. Rodriguez
2008-10-27 14:11                       ` Sujith
2008-10-27 15:07                         ` Johannes Berg
2008-10-20  9:14     ` Luis R. Rodriguez
2008-10-20  9:24       ` Johannes Berg
2008-10-20 10:07         ` Sujith
2008-10-20 10:15           ` Johannes Berg

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