X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=net%2Fmac80211%2Fmlme.c;h=d6470c7fd6ce34cd226632a30fac0e0be6c7f71f;hb=ae4c42e4e4d76d003f8ca551fe1aef93ff9a4b21;hp=182cda66ebefd954ebfb861b6eb40474a32b4617;hpb=6a7ebdf2fd15417e87b4fd02ff411aeaca34da5f;p=firefly-linux-kernel-4.4.55.git

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 182cda66ebef..d6470c7fd6ce 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -917,6 +917,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
 			    params.aifs, params.cw_min, params.cw_max,
 			    params.txop, params.uapsd);
 #endif
+		local->tx_conf[queue] = params;
 		if (drv_conf_tx(local, queue, &params))
 			wiphy_debug(local->hw.wiphy,
 				    "failed to set TX queue parameters for queue %d\n",
@@ -1219,7 +1220,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
 	} else {
 		ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
 		ieee80211_send_probe_req(sdata, dst, ssid + 2, ssid[1], NULL, 0,
-					 true);
+					 (u32) -1, true);
 	}
 
 	ifmgd->probe_send_count++;
@@ -1304,7 +1305,8 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
 
 	ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
 	skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,
-					ssid + 2, ssid[1], NULL, 0, true);
+					(u32) -1, ssid + 2, ssid[1],
+					NULL, 0, true);
 
 	return skb;
 }
@@ -1763,6 +1765,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
 		ifmgd->ave_beacon_signal = rx_status->signal * 16;
 		ifmgd->last_cqm_event_signal = 0;
 		ifmgd->count_beacon_signal = 1;
+		ifmgd->last_ave_beacon_signal = 0;
 	} else {
 		ifmgd->ave_beacon_signal =
 			(IEEE80211_SIGNAL_AVE_WEIGHT * rx_status->signal * 16 +
@@ -1770,6 +1773,28 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
 			 ifmgd->ave_beacon_signal) / 16;
 		ifmgd->count_beacon_signal++;
 	}
+
+	if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold &&
+	    ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
+		int sig = ifmgd->ave_beacon_signal;
+		int last_sig = ifmgd->last_ave_beacon_signal;
+
+		/*
+		 * if signal crosses either of the boundaries, invoke callback
+		 * with appropriate parameters
+		 */
+		if (sig > ifmgd->rssi_max_thold &&
+		    (last_sig <= ifmgd->rssi_min_thold || last_sig == 0)) {
+			ifmgd->last_ave_beacon_signal = sig;
+			drv_rssi_callback(local, RSSI_EVENT_HIGH);
+		} else if (sig < ifmgd->rssi_min_thold &&
+			   (last_sig >= ifmgd->rssi_max_thold ||
+			   last_sig == 0)) {
+			ifmgd->last_ave_beacon_signal = sig;
+			drv_rssi_callback(local, RSSI_EVENT_LOW);
+		}
+	}
+
 	if (bss_conf->cqm_rssi_thold &&
 	    ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT &&
 	    !(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
@@ -2029,7 +2054,7 @@ static void ieee80211_sta_timer(unsigned long data)
 }
 
 static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
-					  u8 *bssid)
+					  u8 *bssid, u8 reason)
 {
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
@@ -2047,8 +2072,7 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
 	 * but that's not a problem.
 	 */
 	ieee80211_send_deauth_disassoc(sdata, bssid,
-			IEEE80211_STYPE_DEAUTH,
-			WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
+			IEEE80211_STYPE_DEAUTH, reason,
 			NULL, true);
 	mutex_lock(&ifmgd->mtx);
 }
@@ -2094,7 +2118,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
 					    " AP %pM, disconnecting.\n",
 					    sdata->name, bssid);
 #endif
-				ieee80211_sta_connection_lost(sdata, bssid);
+				ieee80211_sta_connection_lost(sdata, bssid,
+					WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
 			}
 		} else if (time_is_after_jiffies(ifmgd->probe_timeout))
 			run_again(ifmgd, ifmgd->probe_timeout);
@@ -2106,7 +2131,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
 				    sdata->name,
 				    bssid, probe_wait_ms);
 #endif
-			ieee80211_sta_connection_lost(sdata, bssid);
+			ieee80211_sta_connection_lost(sdata, bssid,
+				WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
 		} else if (ifmgd->probe_send_count < max_tries) {
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
 			wiphy_debug(local->hw.wiphy,
@@ -2128,7 +2154,8 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
 				    sdata->name,
 				    bssid, probe_wait_ms);
 
-			ieee80211_sta_connection_lost(sdata, bssid);
+			ieee80211_sta_connection_lost(sdata, bssid,
+				WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
 		}
 	}
 
@@ -2215,6 +2242,27 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
 {
 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
 
+	if (!ifmgd->associated)
+		return;
+
+	if (sdata->flags & IEEE80211_SDATA_DISCONNECT_RESUME) {
+		sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME;
+		mutex_lock(&ifmgd->mtx);
+		if (ifmgd->associated) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+			wiphy_debug(sdata->local->hw.wiphy,
+				    "%s: driver requested disconnect after resume.\n",
+				    sdata->name);
+#endif
+			ieee80211_sta_connection_lost(sdata,
+				ifmgd->associated->bssid,
+				WLAN_REASON_UNSPECIFIED);
+			mutex_unlock(&ifmgd->mtx);
+			return;
+		}
+		mutex_unlock(&ifmgd->mtx);
+	}
+
 	if (test_and_clear_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running))
 		add_timer(&ifmgd->timer);
 	if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running))
@@ -2287,14 +2335,16 @@ static enum work_done_result
 ieee80211_probe_auth_done(struct ieee80211_work *wk,
 			  struct sk_buff *skb)
 {
+	struct ieee80211_local *local = wk->sdata->local;
+
 	if (!skb) {
 		cfg80211_send_auth_timeout(wk->sdata->dev, wk->filter_ta);
-		return WORK_DONE_DESTROY;
+		goto destroy;
 	}
 
 	if (wk->type == IEEE80211_WORK_AUTH) {
 		cfg80211_send_rx_auth(wk->sdata->dev, skb->data, skb->len);
-		return WORK_DONE_DESTROY;
+		goto destroy;
 	}
 
 	mutex_lock(&wk->sdata->u.mgd.mtx);
@@ -2304,6 +2354,12 @@ ieee80211_probe_auth_done(struct ieee80211_work *wk,
 	wk->type = IEEE80211_WORK_AUTH;
 	wk->probe_auth.tries = 0;
 	return WORK_DONE_REQUEUE;
+ destroy:
+	if (wk->probe_auth.synced)
+		drv_finish_tx_sync(local, wk->sdata, wk->filter_ta,
+				   IEEE80211_TX_SYNC_AUTH);
+
+	return WORK_DONE_DESTROY;
 }
 
 int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
@@ -2376,6 +2432,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
 static enum work_done_result ieee80211_assoc_done(struct ieee80211_work *wk,
 						  struct sk_buff *skb)
 {
+	struct ieee80211_local *local = wk->sdata->local;
 	struct ieee80211_mgmt *mgmt;
 	struct ieee80211_rx_status *rx_status;
 	struct ieee802_11_elems elems;
@@ -2383,7 +2440,7 @@ static enum work_done_result ieee80211_assoc_done(struct ieee80211_work *wk,
 
 	if (!skb) {
 		cfg80211_send_assoc_timeout(wk->sdata->dev, wk->filter_ta);
-		return WORK_DONE_DESTROY;
+		goto destroy;
 	}
 
 	if (wk->type == IEEE80211_WORK_ASSOC_BEACON_WAIT) {
@@ -2403,6 +2460,10 @@ static enum work_done_result ieee80211_assoc_done(struct ieee80211_work *wk,
 	status = le16_to_cpu(mgmt->u.assoc_resp.status_code);
 
 	if (status == WLAN_STATUS_SUCCESS) {
+		if (wk->assoc.synced)
+			drv_finish_tx_sync(local, wk->sdata, wk->filter_ta,
+					   IEEE80211_TX_SYNC_ASSOC);
+
 		mutex_lock(&wk->sdata->u.mgd.mtx);
 		if (!ieee80211_assoc_success(wk, mgmt, skb->len)) {
 			mutex_unlock(&wk->sdata->u.mgd.mtx);
@@ -2416,6 +2477,11 @@ static enum work_done_result ieee80211_assoc_done(struct ieee80211_work *wk,
 	}
 
 	cfg80211_send_rx_assoc(wk->sdata->dev, skb->data, skb->len);
+ destroy:
+	if (wk->assoc.synced)
+		drv_finish_tx_sync(local, wk->sdata, wk->filter_ta,
+				   IEEE80211_TX_SYNC_ASSOC);
+
 	return WORK_DONE_DESTROY;
 }