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From: Zhu Yi <yi.zhu@intel.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: John Linville <linville@tuxdriver.com>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Vasanthakumar Thiagarajan <vasanth@atheros.com>,
	Felix Fietkau <nbd@openwrt.org>
Subject: Re: [PATCH v3] mac80211/drivers: rewrite the rate control API
Date: Tue, 21 Oct 2008 14:23:14 +0800	[thread overview]
Message-ID: <1224570194.24677.301.camel@debian.sh.intel.com> (raw)
In-Reply-To: <1224562072.24677.277.camel@debian.sh.intel.com>

On Mon, 2008-10-20 at 22:07 -0600, Zhu Yi wrote:
> The max retry rates number for iwl4965 is 16. See iwl-commands.h for
> more details:
> 
> a) Use the initial rate for only one entry.
> b) For each following entry, reduce the rate to next lower available
>    rate, until reaching the lowest available rate.
> c) When reducing rate, also switch antenna selection.
> d) Once lowest available rate is reached, repeat this rate until
>    rate table is filled (16 entries), switching antenna each entry.

Now I even wonder if abstract the common MRR info is possible. Yes, the
algorithm itself is hardware independent. But the one we use best
utilizes the hardware capability and it communicates with the hardware
frequently. I don't know about other hardware. But I highly doubt the
interface is so easy to be defined within IEEE80211_SKB_CB.

Thanks,
-yi


  reply	other threads:[~2008-10-21  6:23 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-14 14:55 [PATCH] mac80211/drivers: rewrite the rate control API Johannes Berg
2008-10-15  6:36 ` [PATCH v3] " Johannes Berg
2008-10-20  6:42   ` Zhu Yi
2008-10-20  6:48     ` Johannes Berg
2008-10-20  7:06       ` Zhu Yi
2008-10-20  7:09         ` Johannes Berg
2008-10-20  8:04           ` Zhu Yi
2008-10-20  8:07             ` Johannes Berg
2008-10-21  4:07           ` Zhu Yi
2008-10-21  6:23             ` Zhu Yi [this message]
2008-10-21  6:43               ` Johannes Berg
2008-10-21  6:58                 ` Zhu Yi
2008-10-21 10:40   ` [PATCH v4] " Johannes Berg

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