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From: Bob Copeland <me@bobcopeland.com>
To: Sam Leffler <sleffler@google.com>
Cc: Adrian Chadd <adrian@freebsd.org>,
	Thomas Pedersen <thomas@cozybit.com>,
	ath5k-devel@lists.ath5k.org, jirislaby@gmail.com,
	mickflemm@gmail.com, mcgrof@qca.qualcomm.com,
	linux-wireless@vger.kernel.org
Subject: Re: [PATCH] ath5k: RX timestamp is reported at end of frame
Date: Wed, 14 Nov 2012 12:49:40 -0500	[thread overview]
Message-ID: <20121114174940.GA22375@localhost> (raw)
In-Reply-To: <CA+yqC4bFBFBccmeHWOaQHP0E=A0OWk+uef2ASdmLmR6pJfXRGw@mail.gmail.com>

On Tue, Nov 13, 2012 at 08:27:43AM -0800, Sam Leffler wrote:
> It's close enough that if you adjust by the air time for the frame
> you'll get an accurate measure of when the preamble was received at
> the sta--at least accurate enough for me to synchronize clocks over
> 100+ km.  Details are available if you search and the code has been in
> freebsd for many years...

Indeed, that was a good read; thanks for the pointer.

-- 
Bob Copeland %% www.bobcopeland.com

  reply	other threads:[~2012-11-14 17:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-12 18:53 [PATCH] ath5k: RX timestamp is reported at end of frame Thomas Pedersen
2012-11-12 19:17 ` Adrian Chadd
2012-11-12 19:28   ` Bob Copeland
2012-11-12 19:40     ` Sam Leffler
2012-11-12 19:47       ` Adrian Chadd
2012-11-13  4:32       ` Bob Copeland
2012-11-13 11:33         ` Nick Kossifidis
2012-11-13 16:27         ` Sam Leffler
2012-11-14 17:49           ` Bob Copeland [this message]
  -- strict thread matches above, loose matches on Subject: below --
2012-11-13 18:48 Thomas Pedersen

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