Return-path: Received: from mail-pb0-f53.google.com ([209.85.160.53]:33536 "EHLO mail-pb0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750854AbaBLJhh (ORCPT ); Wed, 12 Feb 2014 04:37:37 -0500 Received: by mail-pb0-f53.google.com with SMTP id md12so8948011pbc.26 for ; Wed, 12 Feb 2014 01:37:37 -0800 (PST) From: Chun-Yeow Yeoh To: linux-wireless@vger.kernel.org Cc: ath10k@lists.infradead.org, kvalo@qca.qualcomm.com, Chun-Yeow Yeoh Subject: [PATCH] ath10k: implement drv_get_tsf for ibss merging Date: Wed, 12 Feb 2014 17:37:24 +0800 Message-Id: <1392197844-1223-1-git-send-email-yeohchunyeow@gmail.com> (sfid-20140212_103745_133831_B6F6C621) Sender: linux-wireless-owner@vger.kernel.org List-ID: Implement the get TSF by simply returning 0 so that IBSS merging is happening. Otherwise, IBSS nodes that have similar SSID naming won't merge. This is simply fooling the mac80211 that the TSF in the received beacon is higher than the local TSF. Signed-off-by: Chun-Yeow Yeoh --- drivers/net/wireless/ath/ath10k/mac.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index afa1226..d62d39e 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -4049,6 +4049,21 @@ static void ath10k_sta_rc_update(struct ieee80211_hw *hw, ieee80211_queue_work(hw, &arsta->update_wk); } +static u64 ath10k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct ath10k *ar = hw->priv; + u64 tsf; + + mutex_lock(&ar->conf_mutex); + /* FIXME: Return 0 for time being. Need to figure out whether FW has + * the API to fetch 64-bit TSF + */ + tsf = 0; + mutex_unlock(&ar->conf_mutex); + + return tsf; +} + static const struct ieee80211_ops ath10k_ops = { .tx = ath10k_tx, .start = ath10k_start, @@ -4074,6 +4089,7 @@ static const struct ieee80211_ops ath10k_ops = { .set_bitrate_mask = ath10k_set_bitrate_mask, .channel_switch_beacon = ath10k_channel_switch_beacon, .sta_rc_update = ath10k_sta_rc_update, + .get_tsf = ath10k_get_tsf, #ifdef CONFIG_PM .suspend = ath10k_suspend, .resume = ath10k_resume, -- 1.7.9.5