6 files changed, 25 insertions, 2 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 8684f2639716..43e078b87378 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -764,10 +764,10 @@ static void iwl_bg_ucode_trace(unsigned long data)
 static void iwl_rx_beacon_notif(struct iwl_priv *priv,
                                 struct iwl_rx_mem_buffer *rxb)
 {
-#ifdef CONFIG_IWLWIFI_DEBUG
         struct iwl_rx_packet *pkt = rxb_addr(rxb);
         struct iwl4965_beacon_notif *beacon =
                 (struct iwl4965_beacon_notif *)pkt->u.raw;
+#ifdef CONFIG_IWLWIFI_DEBUG
         u8 rate = iwl_hw_get_rate(beacon->beacon_notify_hdr.rate_n_flags);
 
         IWL_DEBUG_RX(priv, "beacon status %x retries %d iss %d "
@@ -779,6 +779,8 @@ static void iwl_rx_beacon_notif(struct iwl_priv *priv,
                 le32_to_cpu(beacon->low_tsf), rate);
 #endif
 
+        priv->ibss_manager = le32_to_cpu(beacon->ibss_mgr_status);
+
         if ((priv->iw_mode == NL80211_IFTYPE_AP) &&
             (!test_bit(STATUS_EXIT_PENDING, &priv->status)))
                 queue_work(priv->workqueue, &priv->beacon_update);
@@ -3881,6 +3883,7 @@ static struct ieee80211_ops iwl_hw_ops = {
         .sta_remove = iwl_mac_sta_remove,
         .channel_switch = iwl_mac_channel_switch,
         .flush = iwl_mac_flush,
+        .tx_last_beacon = iwl_mac_tx_last_beacon,
 };
 
 static void iwl_hw_detect(struct iwl_priv *priv)
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 60725a5c1b69..9435fd934d5e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -2919,6 +2919,11 @@ struct iwl_scancomplete_notification {
  *
  *****************************************************************************/
 
+enum iwl_ibss_manager {
+        IWL_NOT_IBSS_MANAGER = 0,
+        IWL_IBSS_MANAGER = 1,
+};
+
 /*
  * BEACON_NOTIFICATION = 0x90 (notification only, not a command)
  */
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 78882f9ab459..ccdf3c02bb3c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1666,6 +1666,14 @@ int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
 }
 EXPORT_SYMBOL(iwl_mac_conf_tx);
 
+int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw)
+{
+        struct iwl_priv *priv = hw->priv;
+
+        return priv->ibss_manager == IWL_IBSS_MANAGER;
+}
+EXPORT_SYMBOL_GPL(iwl_mac_tx_last_beacon);
+
 static void iwl_ht_conf(struct iwl_priv *priv,
                         struct ieee80211_vif *vif)
 {
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index cca7428c238f..7f1aaf206078 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -350,6 +350,7 @@ struct ieee80211_hw *iwl_alloc_all(struct iwl_cfg *cfg,
 void iwl_activate_qos(struct iwl_priv *priv);
 int iwl_mac_conf_tx(struct ieee80211_hw *hw, u16 queue,
                     const struct ieee80211_tx_queue_params *params);
+int iwl_mac_tx_last_beacon(struct ieee80211_hw *hw);
 void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, int hw_decrypt);
 int iwl_check_rxon_cmd(struct iwl_priv *priv);
 int iwl_full_rxon_required(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index f35bcad56e36..599635547021 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1109,6 +1109,9 @@ struct iwl_priv {
         u32 ucode_beacon_time;
         int missed_beacon_threshold;
 
+        /* track IBSS manager (last beacon) status */
+        u32 ibss_manager;
+
         /* storing the jiffies when the plcp error rate is received */
         unsigned long plcp_jiffies;
 
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index de6d592af748..b14eaf91c7c2 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -814,9 +814,9 @@ static void iwl3945_bg_beacon_update(struct work_struct *work)
 static void iwl3945_rx_beacon_notif(struct iwl_priv *priv,
                                 struct iwl_rx_mem_buffer *rxb)
 {
-#ifdef CONFIG_IWLWIFI_DEBUG
         struct iwl_rx_packet *pkt = rxb_addr(rxb);
         struct iwl3945_beacon_notif *beacon = &(pkt->u.beacon_status);
+#ifdef CONFIG_IWLWIFI_DEBUG
         u8 rate = beacon->beacon_notify_hdr.rate;
 
         IWL_DEBUG_RX(priv, "beacon status %x retries %d iss %d "
@@ -828,6 +828,8 @@ static void iwl3945_rx_beacon_notif(struct iwl_priv *priv,
                 le32_to_cpu(beacon->low_tsf), rate);
 #endif
 
+        priv->ibss_manager = le32_to_cpu(beacon->ibss_mgr_status);
+
         if ((priv->iw_mode == NL80211_IFTYPE_AP) &&
             (!test_bit(STATUS_EXIT_PENDING, &priv->status)))
                 queue_work(priv->workqueue, &priv->beacon_update);
@@ -3803,6 +3805,7 @@ static struct ieee80211_ops iwl3945_hw_ops = {
         .hw_scan = iwl_mac_hw_scan,
         .sta_add = iwl3945_mac_sta_add,
         .sta_remove = iwl_mac_sta_remove,
+        .tx_last_beacon = iwl_mac_tx_last_beacon,
 };
 
 static int iwl3945_init_drv(struct iwl_priv *priv)