From: Johannes Berg <johannes@sipsolutions.net>
To: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Cc: linville@tuxdriver.com, linux-wireless@vger.kernel.org
Subject: Re: [PATCH] ath9k: Implement op_flush()
Date: Sat, 19 Feb 2011 10:24:00 +0100 [thread overview]
Message-ID: <1298107440.3725.8.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <1298106822-9411-1-git-send-email-vasanth@atheros.com>
On Sat, 2011-02-19 at 01:13 -0800, Vasanthakumar Thiagarajan wrote:
> When op_flush() is called with no drop (drop=false), the driver
> tries to tx as many frames as possible in about 100ms on every
> hw queue. During this time period frames from sw queue are also
> scheduled on to respective hw queue.
Given how long HW queues currently are, I wouldn't set the timeout to
100ms -- mac80211 has no expectation how long this will take, although
100ms seems pretty long I'm not sure it'll always be sufficient?
johannes
next prev parent reply other threads:[~2011-02-19 9:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-19 9:13 [PATCH] ath9k: Implement op_flush() Vasanthakumar Thiagarajan
2011-02-19 9:24 ` Johannes Berg [this message]
2011-02-19 9:49 ` Vasanthakumar Thiagarajan
2011-02-19 9:56 ` Johannes Berg
2011-02-19 10:00 ` Vasanthakumar Thiagarajan
2011-02-19 10:09 ` Vasanthakumar Thiagarajan
2011-02-19 10:18 ` Johannes Berg
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