From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail30t.wh2.ocn.ne.jp ([125.206.180.136]:21595 "HELO mail30t.wh2.ocn.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S932620Ab0I0DW3 (ORCPT ); Sun, 26 Sep 2010 23:22:29 -0400 Received: from vs3000.wh2.ocn.ne.jp (125.206.180.163) by mail30t.wh2.ocn.ne.jp (RS ver 1.0.95vs) with SMTP id 2-0744407746 for ; Mon, 27 Sep 2010 12:22:27 +0900 (JST) Subject: [PATCH 3/4] ath5k: Increase "fudge" for beacon timers To: linville@tuxdriver.com From: Bruno Randolf Cc: ath5k-devel@lists.ath5k.org, linux-wireless@vger.kernel.org Date: Mon, 27 Sep 2010 12:22:26 +0900 Message-ID: <20100927032226.8754.82461.stgit@tt-desk> In-Reply-To: <20100927032211.8754.49870.stgit@tt-desk> References: <20100927032211.8754.49870.stgit@tt-desk> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-wireless-owner@vger.kernel.org List-ID: We use FUDGE to make sure the next TBTT is ahead of the current TU. Since we later substract AR5K_TUNE_SW_BEACON_RESP (10) in the timer configuration we need to make sure it is bigger than that. Signed-off-by: Bruno Randolf --- drivers/net/wireless/ath/ath5k/base.c | 7 +++++-- 1 files changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 4103765..94cc335 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -1886,8 +1886,11 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf) hw_tsf = ath5k_hw_get_tsf64(ah); hw_tu = TSF_TO_TU(hw_tsf); -#define FUDGE 3 - /* we use FUDGE to make sure the next TBTT is ahead of the current TU */ +#define FUDGE AR5K_TUNE_SW_BEACON_RESP + 3 + /* We use FUDGE to make sure the next TBTT is ahead of the current TU. + * Since we later substract AR5K_TUNE_SW_BEACON_RESP (10) in the timer + * configuration we need to make sure it is bigger than that. */ + if (bc_tsf == -1) { /* * no beacons received, called internally.