diff --git a/drivers/net/wireless/ipw2x00/ieee80211.h b/drivers/net/wireless/ipw2x00/ieee80211.h
index adb7cf31f781f48cd564df727400f173b8e93d66..7515fad00f9237164d4be6749f665eeb58f4ea0a 100644
--- a/drivers/net/wireless/ipw2x00/ieee80211.h
+++ b/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 */
diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 52b1cf5160f7c1cf40e8ebce5b19a507303d5b8a..3a6d810a7608bdfc88ec540f9c95dc3d96ee4a74 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/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);
diff --git a/drivers/net/wireless/ipw2x00/ipw2100.h b/drivers/net/wireless/ipw2x00/ipw2100.h
index 46b135d2167032daf75d1b939a2e21b5859411a8..f183d951cd32754c7812c419303a4ce343ff1e19 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.h
+++ b/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;
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 01c4ede90662b760368c507a69a97f2464bbe228..a7fb08aecf3f37f786563f439a5041c4e85cb03e 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/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);
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.h b/drivers/net/wireless/ipw2x00/ipw2200.h
index 3e66c998dfea867a7c1589e3f6774b6917e6d0f5..05e8ccf01c5ff907bdfa07dbc937090bd32f29db 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.h
+++ b/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
diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c
index 0f233ab6a95b0ba0d87f8283513bfd1ea7ed8572..ec7753446bd31fdac753c09761207920d09ddbf9 100644
--- a/drivers/net/wireless/ipw2x00/libipw_module.c
+++ b/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;
diff --git a/drivers/net/wireless/ipw2x00/libipw_rx.c b/drivers/net/wireless/ipw2x00/libipw_rx.c
index 4865475e8a81b0373d65466d619be9de1cb0b793..8d9e96f9eb2844449ed73214958871bfdfa5d7a0 100644
--- a/drivers/net/wireless/ipw2x00/libipw_rx.c
+++ b/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;
}
diff --git a/drivers/net/wireless/ipw2x00/libipw_wx.c b/drivers/net/wireless/ipw2x00/libipw_wx.c
index dfbadb3b9bd527b682882e6f6ff5546ef1795470..3c0812db030a0389c2400f933dc8ff1c069cce4d 100644
--- a/drivers/net/wireless/ipw2x00/libipw_wx.c
+++ b/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);