From: Johannes Berg <johannes@sipsolutions.net>
To: "John W. Linville" <linville@tuxdriver.com>
Cc: "Manoharan, Rajkumar" <rmanohar@qca.qualcomm.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH 6/6] mac80211: stop queues before rate control updation
Date: Mon, 06 Jun 2011 20:57:14 +0200 [thread overview]
Message-ID: <1307386634.3894.14.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <20110606184447.GG2604@tuxdriver.com>
On Mon, 2011-06-06 at 14:44 -0400, John W. Linville wrote:
> > During the channel type change, the pending tx frames in hw queues are dropped by hw config.
> > But before updating rate control, the packets can be queued again with older HT rates.
> > This contradicts with hw config mode and sometimes is causing baseband issues. This issue
> > was observed only on flooding uplink traffic. To ensure that the frames are always xmitted with
> > updated rates, the queues are stopped before hw config and waken up after rc updation.
>
> Johannes, do you find this explanation satisfactory (perhaps with
> some new queue stop reason definition)?
No, it doesn't address the fact that any packet that is pending will
still be processed -- as I said before, the stop doesn't include a
flush.
johannes
next prev parent reply other threads:[~2011-06-06 18:57 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-20 12:22 [PATCH 1/6] ath9k: Reset chip on baseband hang Rajkumar Manoharan
2011-05-20 12:22 ` [PATCH 3/6] ath9k: Handle IBSS status changes in BSS_CHANGED_IBSS Rajkumar Manoharan
2011-05-20 12:22 ` [PATCH 4/6] ath9k_hw: disable phy restart on baseband panic caused by RXSM Rajkumar Manoharan
2011-05-20 12:22 ` [PATCH 5/6] ath9k: set 40 Mhz rate only if hw is configured in ht40 Rajkumar Manoharan
2011-05-20 12:22 ` [PATCH 6/6] mac80211: stop queues before rate control updation Rajkumar Manoharan
2011-05-31 6:35 ` Johannes Berg
2011-05-31 7:20 ` Adrian Chadd
2011-06-01 18:58 ` John W. Linville
2011-06-03 5:00 ` Manoharan, Rajkumar
2011-06-06 18:44 ` John W. Linville
2011-06-06 18:57 ` Johannes Berg [this message]
2011-06-07 8:39 ` Manoharan, Rajkumar
2011-06-07 18:05 ` John W. Linville
[not found] ` <1305894135-14036-2-git-send-email-rmanoharan@atheros.com>
2011-05-21 4:27 ` [PATCH 2/6] ath9k: Remove ATH9K_BEACON_PERIOD mask Rajkumar Manoharan
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