iwlagn: update bt status upon scan complete

Update bt status upon receive scan complete notification

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 21 insertions, 1 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 8ed2412862d..9b535832f11 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -3013,7 +3013,7 @@ struct iwl_scanresults_notification {
 struct iwl_scancomplete_notification {
         u8 scanned_channels;
         u8 status;
-        u8 reserved;
+        u8 bt_status;   /* BT On/Off status */
         u8 last_channel;
         __le32 tsf_low;
         __le32 tsf_high;
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 8d7fa59364f..33aa7a5eea8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -236,6 +236,26 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
 
         clear_bit(STATUS_SCANNING, &priv->status);
 
+        if (priv->iw_mode != NL80211_IFTYPE_ADHOC &&
+            priv->cfg->advanced_bt_coexist && priv->bt_status !=
+            scan_notif->bt_status) {
+                if (scan_notif->bt_status) {
+                        /* BT on */
+                        if (!priv->bt_ch_announce)
+                                priv->bt_traffic_load =
+                                        IWL_BT_COEX_TRAFFIC_LOAD_HIGH;
+                        /*
+                         * otherwise, no traffic load information provided
+                         * no changes made
+                         */
+                } else {
+                        /* BT off */
+                        priv->bt_traffic_load =
+                                IWL_BT_COEX_TRAFFIC_LOAD_NONE;
+                }
+                priv->bt_status = scan_notif->bt_status;
+                queue_work(priv->workqueue, &priv->bt_traffic_change_work);
+        }
         queue_work(priv->workqueue, &priv->scan_completed);
 }