ath10k: fix hw roc expiration notifcation
authorMichal Kazior <michal.kazior@tieto.com>
Thu, 9 Jul 2015 11:08:36 +0000 (13:08 +0200)
committerKalle Valo <kvalo@qca.qualcomm.com>
Sat, 11 Jul 2015 16:06:22 +0000 (19:06 +0300)
The expiration function must not be called when
roc is explicitly cancelled by mac80211. However
since fcf9844636be ("ath10k: fix hw roc
expiration") the notification was never sent when
roc actually expired.

This fixes some P2P connection setup issues.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
drivers/net/wireless/ath/ath10k/core.h
drivers/net/wireless/ath/ath10k/mac.c

index 2e5c935579c4612775d7a61a3e26eb87492ca20e..78e07051b8970415086783674ba2d123cfddc312 100644 (file)
@@ -633,6 +633,7 @@ struct ath10k {
                bool is_roc;
                int vdev_id;
                int roc_freq;
+               bool roc_notify;
        } scan;
 
        struct {
index c08ad1d994cdc381733ed0c3bc2b16f14d2f0875..b842612e0b619aeedbb9a0bc19be179b8972c163 100644 (file)
@@ -3449,14 +3449,13 @@ void __ath10k_scan_finish(struct ath10k *ar)
        case ATH10K_SCAN_IDLE:
                break;
        case ATH10K_SCAN_RUNNING:
-               if (ar->scan.is_roc)
-                       ieee80211_remain_on_channel_expired(ar->hw);
-               /* fall through */
        case ATH10K_SCAN_ABORTING:
                if (!ar->scan.is_roc)
                        ieee80211_scan_completed(ar->hw,
                                                 (ar->scan.state ==
                                                  ATH10K_SCAN_ABORTING));
+               else if (ar->scan.roc_notify)
+                       ieee80211_remain_on_channel_expired(ar->hw);
                /* fall through */
        case ATH10K_SCAN_STARTING:
                ar->scan.state = ATH10K_SCAN_IDLE;
@@ -5459,6 +5458,7 @@ static int ath10k_remain_on_channel(struct ieee80211_hw *hw,
                ar->scan.is_roc = true;
                ar->scan.vdev_id = arvif->vdev_id;
                ar->scan.roc_freq = chan->center_freq;
+               ar->scan.roc_notify = true;
                ret = 0;
                break;
        case ATH10K_SCAN_STARTING:
@@ -5522,7 +5522,13 @@ static int ath10k_cancel_remain_on_channel(struct ieee80211_hw *hw)
        struct ath10k *ar = hw->priv;
 
        mutex_lock(&ar->conf_mutex);
+
+       spin_lock_bh(&ar->data_lock);
+       ar->scan.roc_notify = false;
+       spin_unlock_bh(&ar->data_lock);
+
        ath10k_scan_abort(ar);
+
        mutex_unlock(&ar->conf_mutex);
 
        cancel_delayed_work_sync(&ar->scan.timeout);