netdev - Re: Frequent spurious tx

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Date:	Mon, 2 May 2011 21:01:04 +0100
From:	Daniel Drake <dsd@...top.org>
To:	Ben Hutchings <bhutchings@...arflare.com>
Cc:	netdev@...r.kernel.org, libertas-dev@...ts.infradead.org,
	linux-wireless <linux-wireless@...r.kernel.org>
Subject: Re: Frequent spurious tx_timeouts for libertas

On 2 May 2011 20:59, Daniel Drake <dsd@...top.org> wrote:
> dev->trans_start is unconditionally initialized by dev_activate() in
> sch_generic.c:

Also, many drivers (including libertas) set it in their tx_timeout handlers:
   dev->trans_start = jiffies; /* prevent tx timeout */
I don't understand why (the TX timeout has already occurred, it can't
be prevented at that stage).

Daniel
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