---

yaml
---
r: 134881
b: refs/heads/master
c: c3d72b9
h: refs/heads/master
i:
  134879: 4fc9281
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bc8263f1d86946ffe97eb249fc1d6660da1e1055
+refs/heads/master: c3d72b968129ad4aec86c5fc8d2380f01ebebc53

trunk/drivers/net/wireless/ipw2x00/ieee80211.h

@@ -1119,6 +1119,9 @@ static inline int ieee80211_is_cck_rate(u8 rate)
 extern void free_ieee80211(struct net_device *dev);
 extern struct net_device *alloc_ieee80211(int sizeof_priv);
 
+extern void ieee80211_networks_age(struct ieee80211_device *ieee,
+				   unsigned long age_secs);
+
 extern int ieee80211_set_encryption(struct ieee80211_device *ieee);
 
 /* ieee80211_tx.c */

trunk/drivers/net/wireless/ipw2x00/ipw2100.c

@@ -1692,7 +1692,13 @@ static int ipw2100_up(struct ipw2100_priv *priv, int deferred)
 	u32 lock;
 	u32 ord_len = sizeof(lock);
 
-	/* Quite if manually disabled. */
+	/* Age scan list entries found before suspend */
+	if (priv->suspend_time) {
+		ieee80211_networks_age(priv->ieee, priv->suspend_time);
+		priv->suspend_time = 0;
+	}
+
+	/* Quiet if manually disabled. */
 	if (priv->status & STATUS_RF_KILL_SW) {
 		IPW_DEBUG_INFO("%s: Radio is disabled by Manual Disable "
 			       "switch\n", priv->net_dev->name);
@@ -6415,6 +6421,8 @@ static int ipw2100_suspend(struct pci_dev *pci_dev, pm_message_t state)
 	pci_disable_device(pci_dev);
 	pci_set_power_state(pci_dev, PCI_D3hot);
 
+	priv->suspend_at = get_seconds();
+
 	mutex_unlock(&priv->action_mutex);
 
 	return 0;
@@ -6458,6 +6466,8 @@ static int ipw2100_resume(struct pci_dev *pci_dev)
 	 * the queue of needed */
 	netif_device_attach(dev);
 
+	priv->suspend_time = get_seconds() - priv->suspend_at;
+
 	/* Bring the device back up */
 	if (!(priv->status & STATUS_RF_KILL_SW))
 		ipw2100_up(priv, 0);

trunk/drivers/net/wireless/ipw2x00/ipw2100.h

@@ -591,6 +591,10 @@ struct ipw2100_priv {
 
 	int user_requested_scan;
 
+	/* Track time in suspend */
+	unsigned long suspend_at;
+	unsigned long suspend_time;
+
 	u32 interrupts;
 	int tx_interrupts;
 	int rx_interrupts;

trunk/drivers/net/wireless/ipw2x00/ipw2200.c

@@ -11238,6 +11238,12 @@ static int ipw_up(struct ipw_priv *priv)
 {
 	int rc, i, j;
 
+	/* Age scan list entries found before suspend */
+	if (priv->suspend_time) {
+		ieee80211_networks_age(priv->ieee, priv->suspend_time);
+		priv->suspend_time = 0;
+	}
+
 	if (priv->status & STATUS_EXIT_PENDING)
 		return -EIO;
 
@@ -11838,6 +11844,8 @@ static int ipw_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 	pci_disable_device(pdev);
 	pci_set_power_state(pdev, pci_choose_state(pdev, state));
 
+	priv->suspend_at = get_seconds();
+
 	return 0;
 }
 
@@ -11873,6 +11881,8 @@ static int ipw_pci_resume(struct pci_dev *pdev)
 	 * the queue of needed */
 	netif_device_attach(dev);
 
+	priv->suspend_time = get_seconds() - priv->suspend_at;
+
 	/* Bring the device back up */
 	queue_work(priv->workqueue, &priv->up);
 

trunk/drivers/net/wireless/ipw2x00/ipw2200.h

@@ -1347,6 +1347,10 @@ struct ipw_priv {
 
 	s8 tx_power;
 
+	/* Track time in suspend */
+	unsigned long suspend_at;
+	unsigned long suspend_time;
+
 #ifdef CONFIG_PM
 	u32 pm_state[16];
 #endif

trunk/drivers/net/wireless/ipw2x00/libipw_module.c

@@ -105,6 +105,21 @@ static inline void ieee80211_networks_free(struct ieee80211_device *ieee)
 	ieee->networks = NULL;
 }
 
+void ieee80211_networks_age(struct ieee80211_device *ieee,
+                            unsigned long age_secs)
+{
+	struct ieee80211_network *network = NULL;
+	unsigned long flags;
+	unsigned long age_jiffies = msecs_to_jiffies(age_secs * MSEC_PER_SEC);
+
+	spin_lock_irqsave(&ieee->lock, flags);
+	list_for_each_entry(network, &ieee->network_list, list) {
+		network->last_scanned -= age_jiffies;
+	}
+	spin_unlock_irqrestore(&ieee->lock, flags);
+}
+EXPORT_SYMBOL(ieee80211_networks_age);
+
 static void ieee80211_networks_initialize(struct ieee80211_device *ieee)
 {
 	int i;

trunk/drivers/net/wireless/ipw2x00/libipw_rx.c

@@ -1616,7 +1616,7 @@ static void ieee80211_process_probe_response(struct ieee80211_device
 			break;
 
 		if ((oldest == NULL) ||
-		    (target->last_scanned < oldest->last_scanned))
+		    time_before(target->last_scanned, oldest->last_scanned))
 			oldest = target;
 	}
 

trunk/drivers/net/wireless/ipw2x00/libipw_wx.c

@@ -43,6 +43,16 @@ static const char *ieee80211_modes[] = {
 	"?", "a", "b", "ab", "g", "ag", "bg", "abg"
 };
 
+static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
+{
+	unsigned long end = jiffies;
+
+	if (end >= start)
+		return jiffies_to_msecs(end - start);
+
+	return jiffies_to_msecs(end + (MAX_JIFFY_OFFSET - start) + 1);
+}
+
 #define MAX_CUSTOM_LEN 64
 static char *ieee80211_translate_scan(struct ieee80211_device *ieee,
 				      char *start, char *stop,
@@ -216,8 +226,8 @@ static char *ieee80211_translate_scan(struct ieee80211_device *ieee,
 	iwe.cmd = IWEVCUSTOM;
 	p = custom;
 	p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
-		      " Last beacon: %dms ago",
-		      jiffies_to_msecs(jiffies - network->last_scanned));
+		      " Last beacon: %ums ago",
+		      elapsed_jiffies_msecs(network->last_scanned));
 	iwe.u.data.length = p - custom;
 	if (iwe.u.data.length)
 		start = iwe_stream_add_point(info, start, stop, &iwe, custom);
@@ -277,15 +287,15 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
 		    time_after(network->last_scanned + ieee->scan_age, jiffies))
 			ev = ieee80211_translate_scan(ieee, ev, stop, network,
 						      info);
-		else
+		else {
 			IEEE80211_DEBUG_SCAN("Not showing network '%s ("
-					     "%pM)' due to age (%dms).\n",
+					     "%pM)' due to age (%ums).\n",
 					     print_ssid(ssid, network->ssid,
 							 network->ssid_len),
 					     network->bssid,
-					     jiffies_to_msecs(jiffies -
-							      network->
-							      last_scanned));
+					     elapsed_jiffies_msecs(
+					               network->last_scanned));
+		}
 	}
 
 	spin_unlock_irqrestore(&ieee->lock, flags);