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From: Felix Fietkau <nbd@openwrt.org>
To: Tomas Winkler <tomasw@gmail.com>
Cc: Johannes Berg <johannes@sipsolutions.net>,
	linville@tuxdriver.com, linux-wireless@vger.kernel.org
Subject: Re: [RFC] mac80211: add rate to ieee80211_tx_status
Date: Mon, 04 Feb 2008 16:24:03 +0100	[thread overview]
Message-ID: <47A72E13.8070305@openwrt.org> (raw)
In-Reply-To: <1ba2fa240802040713k56fdf22fp8ab15924bbebe88@mail.gmail.com>

Tomas Winkler wrote:
>> > Maybe we should add blob to tx_status let say of skb->cb[] size and
>> > field for rate scale algorithm version/name.  Otherwise we will be
>> > inventing API for each rate scale algorithm...
>>
>> I disagree, we should have something generic enough to allow some sort of
>> "capability negotiation" between the driver and the rate control
>> algorithm, otherwise we could just remove rate control algorithms
>> completely and internalize them into drivers (with some "helper" functions
>> for those who don't want to write their own)... Which I'm sure you might
>> actually like but I don't ;)
> 
> So Felix how many rates do you need for each packet?
The algorithm is designed to work with 4 different rates with adjustable
retry counts. A good description can be found here:
http://madwifi.org/browser/madwifi/trunk/ath_rate/minstrel/minstrel.txt

- Felix

  reply	other threads:[~2008-02-04 15:24 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-03 20:15 [RFC] mac80211: add rate to ieee80211_tx_status Tomas Winkler
2008-02-04  8:46 ` Johannes Berg
2008-02-04  9:53   ` Tomas Winkler
     [not found]     ` <6231174111099834440@unknownmsgid>
2008-02-04 10:27       ` Tomas Winkler
     [not found]         ` <-6799378017406559341@unknownmsgid>
2008-02-04 11:05           ` Tomas Winkler
     [not found]             ` <-4694429725714512287@unknownmsgid>
2008-02-04 11:21               ` Tomas Winkler
     [not found]                 ` <-2417195033053015320@unknownmsgid>
2008-02-04 11:26                   ` Tomas Winkler
2008-02-04 11:30                     ` Tomas Winkler
     [not found]                       ` <5358276387473684738@unknownmsgid>
2008-02-04 11:57                         ` Tomas Winkler
     [not found]                           ` <5605009721259660313@unknownmsgid>
2008-02-04 13:35                             ` Tomas Winkler
     [not found]                           ` <49711.::ffff:91.5.56.63.1202126931.squirrel@secure.sipsolutions.net>
2008-02-04 13:53                             ` Felix Fietkau
     [not found]                               ` <-5971017268625562167@unknownmsgid>
2008-02-04 14:21                                 ` Tomas Winkler
     [not found]                                   ` <-7767648866191425885@unknownmsgid>
2008-02-04 15:13                                     ` Tomas Winkler
2008-02-04 15:24                                       ` Felix Fietkau [this message]
2008-02-04 18:36                                         ` Tomas Winkler
2008-02-04 18:39                                           ` Felix Fietkau
2008-02-04 19:03                                             ` Tomas Winkler
2008-02-04 19:05                                               ` Tomas Winkler
2008-02-05 21:23                                                 ` Stefano Brivio
2008-02-05 23:15                                                   ` Tomas Winkler
2008-02-06 14:13                                                     ` Johannes Berg
2008-02-04 19:07                                               ` Felix Fietkau

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