iwl3945: use iwl_mac_hw_scan callback
3945 can use iwl_mac_hw_scan callback instead of
iwl3945_mac_hw_scan callback.
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Acked-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 1ec2b20..23644cf 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -440,6 +440,74 @@
}
EXPORT_SYMBOL(iwl_scan_initiate);
+#define IWL_DELAY_NEXT_SCAN (HZ*2)
+
+int iwl_mac_hw_scan(struct ieee80211_hw *hw,
+ struct cfg80211_scan_request *req)
+{
+ unsigned long flags;
+ struct iwl_priv *priv = hw->priv;
+ int ret;
+ u8 *ssid = NULL;
+ size_t ssid_len = 0;
+
+ if (req->n_ssids) {
+ ssid = req->ssids[0].ssid;
+ ssid_len = req->ssids[0].ssid_len;
+ }
+
+ IWL_DEBUG_MAC80211(priv, "enter\n");
+
+ mutex_lock(&priv->mutex);
+ spin_lock_irqsave(&priv->lock, flags);
+
+ if (!iwl_is_ready_rf(priv)) {
+ ret = -EIO;
+ IWL_DEBUG_MAC80211(priv, "leave - not ready or exit pending\n");
+ goto out_unlock;
+ }
+
+ /* We don't schedule scan within next_scan_jiffies period.
+ * Avoid scanning during possible EAPOL exchange, return
+ * success immediately.
+ */
+ if (priv->next_scan_jiffies &&
+ time_after(priv->next_scan_jiffies, jiffies)) {
+ IWL_DEBUG_SCAN(priv, "scan rejected: within next scan period\n");
+ queue_work(priv->workqueue, &priv->scan_completed);
+ ret = 0;
+ goto out_unlock;
+ }
+
+ /* if we just finished scan ask for delay */
+ if (iwl_is_associated(priv) && priv->last_scan_jiffies &&
+ time_after(priv->last_scan_jiffies + IWL_DELAY_NEXT_SCAN, jiffies)) {
+ IWL_DEBUG_SCAN(priv, "scan rejected: within previous scan period\n");
+ queue_work(priv->workqueue, &priv->scan_completed);
+ ret = 0;
+ goto out_unlock;
+ }
+
+ if (ssid_len) {
+ priv->one_direct_scan = 1;
+ priv->direct_ssid_len = ssid_len;
+ memcpy(priv->direct_ssid, ssid, priv->direct_ssid_len);
+ } else {
+ priv->one_direct_scan = 0;
+ }
+
+ ret = iwl_scan_initiate(priv);
+
+ IWL_DEBUG_MAC80211(priv, "leave\n");
+
+out_unlock:
+ spin_unlock_irqrestore(&priv->lock, flags);
+ mutex_unlock(&priv->mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL(iwl_mac_hw_scan);
+
#define IWL_SCAN_CHECK_WATCHDOG (7 * HZ)
void iwl_bg_scan_check(struct work_struct *data)