[13/16] iwmc3200wifi: Try shared auth when open WEP fails

Commit Message

Zhu Yi Oct. 16, 2009, 5:18 a.m. UTC

None

Patch

diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 2911ace..7e12438 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -794,7 +794,7 @@  int iwm_invalidate_mlme_profile(struct iwm_priv *iwm)
 		return ret;
 
 	ret = wait_event_interruptible_timeout(iwm->mlme_queue,
-				(iwm->umac_profile_active == 0), 2 * HZ);
+				(iwm->umac_profile_active == 0), 5 * HZ);
 
 	return ret ? 0 : -EBUSY;
 }
diff --git a/drivers/net/wireless/iwmc3200wifi/iwm.h b/drivers/net/wireless/iwmc3200wifi/iwm.h
index fe0ab80..c4a01f2 100644
--- a/drivers/net/wireless/iwmc3200wifi/iwm.h
+++ b/drivers/net/wireless/iwmc3200wifi/iwm.h
@@ -285,6 +285,7 @@  struct iwm_priv {
 	u8 *eeprom;
 	struct timer_list watchdog;
 	struct work_struct reset_worker;
+	struct work_struct auth_retry_worker;
 	struct mutex mutex;
 
 	u8 *req_ie;
diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c
index dfc8fd4..97c6f5a 100644
--- a/drivers/net/wireless/iwmc3200wifi/main.c
+++ b/drivers/net/wireless/iwmc3200wifi/main.c
@@ -208,6 +208,33 @@  static void iwm_reset_worker(struct work_struct *work)
 	mutex_unlock(&iwm->mutex);
 }
 
+static void iwm_auth_retry_worker(struct work_struct *work)
+{
+	struct iwm_priv *iwm;
+	int i, ret;
+
+	iwm = container_of(work, struct iwm_priv, auth_retry_worker);
+	if (iwm->umac_profile_active) {
+		ret = iwm_invalidate_mlme_profile(iwm);
+		if (ret < 0)
+			return;
+	}
+
+	iwm->umac_profile->sec.auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
+
+	ret = iwm_send_mlme_profile(iwm);
+	if (ret < 0)
+		return;
+
+	for (i = 0; i < IWM_NUM_KEYS; i++)
+		if (iwm->keys[i].key_len)
+			iwm_set_key(iwm, 0, &iwm->keys[i]);
+
+	iwm_set_tx_key(iwm, iwm->default_key);
+}
+
+
+
 static void iwm_watchdog(unsigned long data)
 {
 	struct iwm_priv *iwm = (struct iwm_priv *)data;
@@ -241,6 +268,7 @@  int iwm_priv_init(struct iwm_priv *iwm)
 	INIT_DELAYED_WORK(&iwm->disconnect, iwm_disconnect_work);
 	INIT_DELAYED_WORK(&iwm->ct_kill_delay, iwm_ct_kill_work);
 	INIT_WORK(&iwm->reset_worker, iwm_reset_worker);
+	INIT_WORK(&iwm->auth_retry_worker, iwm_auth_retry_worker);
 	INIT_LIST_HEAD(&iwm->bss_list);
 
 	skb_queue_head_init(&iwm->rx_list);
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index 0fa3f5c..c0fa853 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -502,6 +502,18 @@  static int iwm_mlme_assoc_start(struct iwm_priv *iwm, u8 *buf,
 	return 0;
 }
 
+static u8 iwm_is_open_wep_profile(struct iwm_priv *iwm)
+{
+	if ((iwm->umac_profile->sec.ucast_cipher == UMAC_CIPHER_TYPE_WEP_40 ||
+	     iwm->umac_profile->sec.ucast_cipher == UMAC_CIPHER_TYPE_WEP_104) &&
+	    (iwm->umac_profile->sec.ucast_cipher ==
+	     iwm->umac_profile->sec.mcast_cipher) &&
+	    (iwm->umac_profile->sec.auth_type == UMAC_AUTH_TYPE_OPEN))
+	       return 1;
+
+       return 0;
+}
+
 static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 				   unsigned long buf_size,
 				   struct iwm_wifi_cmd *cmd)
@@ -567,11 +579,17 @@  static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
 			goto ibss;
 
 		if (!test_bit(IWM_STATUS_RESETTING, &iwm->status))
-			cfg80211_connect_result(iwm_to_ndev(iwm),
-						complete->bssid,
-						NULL, 0, NULL, 0,
-						WLAN_STATUS_UNSPECIFIED_FAILURE,
-						GFP_KERNEL);
+			if (!iwm_is_open_wep_profile(iwm)) {
+				cfg80211_connect_result(iwm_to_ndev(iwm),
+					       complete->bssid,
+					       NULL, 0, NULL, 0,
+					       WLAN_STATUS_UNSPECIFIED_FAILURE,
+					       GFP_KERNEL);
+			} else {
+				/* Let's try shared WEP auth */
+				IWM_ERR(iwm, "Trying WEP shared auth\n");
+				schedule_work(&iwm->auth_retry_worker);
+			}
 		else
 			cfg80211_disconnected(iwm_to_ndev(iwm), 0, NULL, 0,
 					      GFP_KERNEL);