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From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
To: Felix Fietkau <nbd@openwrt.org>
Cc: <linux-wireless@vger.kernel.org>, <linville@tuxdriver.com>,
	<rodrigue@qca.qualcomm.com>
Subject: [PATCH 08/12] ath9k: fix aggregate size limit based on queue TXOP limit
Date: Thu, 12 Jul 2012 11:57:59 +0530	[thread overview]
Message-ID: <20478.28271.704162.754323@gargle.gargle.HOWL> (raw)
In-Reply-To: <1342029555-31618-8-git-send-email-nbd@openwrt.org>

Felix Fietkau wrote:
> If the aggregate size exceeds the TXOP limit, it leads to lots of unnecessary
> hardware and software retries.
> 
> The previous 4ms frame limit table was completely undocumented, the commit
> that updated it only vaguely referenced and equation from the standard,
> but I've been unable to replicate its results.
> 
> Fix this by using a formula based on the code in ath_pkt_duration, which is
> more likely to be correct for this case.

I think this needs to be verified. The 4ms restriction is for Japanese
regulatory compliance, IIRC.

Sujith

  parent reply	other threads:[~2012-07-12  6:29 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-11 17:59 [PATCH 01/12] ath9k_hw: fall back to OTP ROM when platform data has no valid eeprom data Felix Fietkau
2012-07-11 17:59 ` [PATCH 02/12] ath9k: validate rx antenna settings Felix Fietkau
2012-07-11 17:59   ` [PATCH 03/12] ath9k_hw: enable ANI on AR934x Felix Fietkau
2012-07-11 17:59     ` [PATCH 04/12] ath9k_hw: fix tx gain tables for AR934x Felix Fietkau
2012-07-11 17:59       ` [PATCH 05/12] ath9k_hw: remove redundant arguments to INIT_INI_ARRAY Felix Fietkau
2012-07-11 17:59         ` [PATCH 06/12] ath9k/ath9k_htc: fix txop limit handling Felix Fietkau
2012-07-11 17:59           ` [PATCH 07/12] ath9k: make per-WMM-AC queue sizes configurable via debugfs Felix Fietkau
2012-07-11 17:59             ` [PATCH 08/12] ath9k: fix aggregate size limit based on queue TXOP limit Felix Fietkau
2012-07-11 17:59               ` [PATCH 09/12] ath9k_hw: apply XPA timing control values from EEPROM Felix Fietkau
2012-07-11 17:59                 ` [PATCH 10/12] ath9k_hw: clean up AR9003 EEPROM code Felix Fietkau
2012-07-11 17:59                   ` [PATCH 11/12] ath9k_hw: apply XLNA bias settings from EEPROM Felix Fietkau
2012-07-11 17:59                     ` [PATCH 12/12] ath9k_hw: fix SREV checks for applying tuning caps " Felix Fietkau
2012-07-12  6:27               ` Sujith Manoharan [this message]
2012-07-12 11:06                 ` [PATCH 08/12] ath9k: fix aggregate size limit based on queue TXOP limit Felix Fietkau
2012-07-11 18:42   ` [PATCH 02/12] ath9k: validate rx antenna settings Gabor Juhos
2012-07-11 18:54     ` Felix Fietkau

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