iwlwifi: move hw_scan into _mac80211 file

iwlagn_mac_hw_scan should belong to _mac80211 callback.

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

1 files changed, 46 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c
index 1b2dbb006adc..6df08bb63fff 100644
--- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c
+++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c
@@ -1801,6 +1801,52 @@ static int iwlagn_mac_change_interface(struct ieee80211_hw *hw,
 	return err;
 }
 
+static int iwlagn_mac_hw_scan(struct ieee80211_hw *hw,
+		    struct ieee80211_vif *vif,
+		    struct cfg80211_scan_request *req)
+{
+	struct iwl_priv *priv = hw->priv;
+	int ret;
+
+	IWL_DEBUG_MAC80211(priv, "enter\n");
+
+	if (req->n_channels == 0)
+		return -EINVAL;
+
+	mutex_lock(&priv->shrd->mutex);
+
+	/*
+	 * If an internal scan is in progress, just set
+	 * up the scan_request as per above.
+	 */
+	if (priv->scan_type != IWL_SCAN_NORMAL) {
+		IWL_DEBUG_SCAN(priv,
+			       "SCAN request during internal scan - defer\n");
+		priv->scan_request = req;
+		priv->scan_vif = vif;
+		ret = 0;
+	} else {
+		priv->scan_request = req;
+		priv->scan_vif = vif;
+		/*
+		 * mac80211 will only ask for one band at a time
+		 * so using channels[0] here is ok
+		 */
+		ret = iwl_scan_initiate(priv, vif, IWL_SCAN_NORMAL,
+					req->channels[0]->band);
+		if (ret) {
+			priv->scan_request = NULL;
+			priv->scan_vif = NULL;
+		}
+	}
+
+	IWL_DEBUG_MAC80211(priv, "leave\n");
+
+	mutex_unlock(&priv->shrd->mutex);
+
+	return ret;
+}
+
 struct ieee80211_ops iwlagn_hw_ops = {
 	.tx = iwlagn_mac_tx,
 	.start = iwlagn_mac_start,