Return-path: Received: from mail-da0-f46.google.com ([209.85.210.46]:57168 "EHLO mail-da0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751076Ab2KLSyL (ORCPT ); Mon, 12 Nov 2012 13:54:11 -0500 Received: by mail-da0-f46.google.com with SMTP id n41so2856034dak.19 for ; Mon, 12 Nov 2012 10:54:11 -0800 (PST) From: Thomas Pedersen To: ath5k-devel@lists.ath5k.org Cc: jirislaby@gmail.com, mickflemm@gmail.com, mcgrof@qca.qualcomm.com, me@bobcopeland.com, linux-wireless@vger.kernel.org, Thomas Pedersen Subject: [PATCH] ath5k: RX timestamp is reported at end of frame Date: Mon, 12 Nov 2012 10:53:58 -0800 Message-Id: <1352746438-2404-1-git-send-email-thomas@cozybit.com> (sfid-20121112_195426_154373_97C39ADB) Sender: linux-wireless-owner@vger.kernel.org List-ID: This is true for at least AR5213, and shouldn't be different for other ath5k PHYs. Signed-off-by: Thomas Pedersen --- drivers/net/wireless/ath/ath5k/base.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 9f31cfa..ae1a2fe 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -1335,20 +1335,9 @@ ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb, * 15bit only. that means TSF extension has to be done within * 32768usec (about 32ms). it might be necessary to move this to * the interrupt handler, like it is done in madwifi. - * - * Unfortunately we don't know when the hardware takes the rx - * timestamp (beginning of phy frame, data frame, end of rx?). - * The only thing we know is that it is hardware specific... - * On AR5213 it seems the rx timestamp is at the end of the - * frame, but I'm not sure. - * - * NOTE: mac80211 defines mactime at the beginning of the first - * data symbol. Since we don't have any time references it's - * impossible to comply to that. This affects IBSS merge only - * right now, so it's not too bad... */ rxs->mactime = ath5k_extend_tsf(ah, rs->rs_tstamp); - rxs->flag |= RX_FLAG_MACTIME_MPDU; + rxs->flag |= RX_FLAG_MACTIME_END; rxs->freq = ah->curchan->center_freq; rxs->band = ah->curchan->band; -- 1.7.10.4