Merge branch 'fixes-jgarzik' of git://git.kernel.org/pub/scm/linux/ke…

…rnel/git/linville/wireless-2.6 into upstream

drivers/net/wireless/b43/main.c

@@ -49,7 +49,6 @@
 #include "pio.h"
 #include "sysfs.h"
 #include "xmit.h"
-#include "sysfs.h"
 #include "lo.h"
 #include "pcmcia.h"
 
@@ -3495,7 +3494,7 @@ static int b43_start(struct ieee80211_hw *hw)
 	struct b43_wl *wl = hw_to_b43_wl(hw);
 	struct b43_wldev *dev = wl->current_dev;
 	int did_init = 0;
-	int err;
+	int err = 0;
 
 	mutex_lock(&wl->mutex);
 
@@ -3521,7 +3520,7 @@ static int b43_start(struct ieee80211_hw *hw)
 	return err;
 }
 
-void b43_stop(struct ieee80211_hw *hw)
+static void b43_stop(struct ieee80211_hw *hw)
 {
 	struct b43_wl *wl = hw_to_b43_wl(hw);
 	struct b43_wldev *dev = wl->current_dev;

drivers/net/wireless/b43legacy/main.c

@@ -3306,7 +3306,7 @@ static int b43legacy_start(struct ieee80211_hw *hw)
 	struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
 	struct b43legacy_wldev *dev = wl->current_dev;
 	int did_init = 0;
-	int err;
+	int err = 0;
 
 	mutex_lock(&wl->mutex);
 

drivers/net/wireless/ipw2100.c

@@ -2105,12 +2105,46 @@ static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status)
 	queue_delayed_work(priv->workqueue, &priv->rf_kill, round_jiffies(HZ));
 }
 
+static void send_scan_event(void *data)
+{
+	struct ipw2100_priv *priv = data;
+	union iwreq_data wrqu;
+
+	wrqu.data.length = 0;
+	wrqu.data.flags = 0;
+	wireless_send_event(priv->net_dev, SIOCGIWSCAN, &wrqu, NULL);
+}
+
+static void ipw2100_scan_event_later(struct work_struct *work)
+{
+	send_scan_event(container_of(work, struct ipw2100_priv,
+					scan_event_later.work));
+}
+
+static void ipw2100_scan_event_now(struct work_struct *work)
+{
+	send_scan_event(container_of(work, struct ipw2100_priv,
+					scan_event_now));
+}
+
 static void isr_scan_complete(struct ipw2100_priv *priv, u32 status)
 {
 	IPW_DEBUG_SCAN("scan complete\n");
 	/* Age the scan results... */
 	priv->ieee->scans++;
 	priv->status &= ~STATUS_SCANNING;
+
+	/* Only userspace-requested scan completion events go out immediately */
+	if (!priv->user_requested_scan) {
+		if (!delayed_work_pending(&priv->scan_event_later))
+			queue_delayed_work(priv->workqueue,
+					&priv->scan_event_later,
+					round_jiffies(msecs_to_jiffies(4000)));
+	} else {
+		priv->user_requested_scan = 0;
+		cancel_delayed_work(&priv->scan_event_later);
+		queue_work(priv->workqueue, &priv->scan_event_now);
+	}
 }
 
 #ifdef CONFIG_IPW2100_DEBUG
@@ -4378,6 +4412,7 @@ static void ipw2100_kill_workqueue(struct ipw2100_priv *priv)
 		cancel_delayed_work(&priv->wx_event_work);
 		cancel_delayed_work(&priv->hang_check);
 		cancel_delayed_work(&priv->rf_kill);
+		cancel_delayed_work(&priv->scan_event_later);
 		destroy_workqueue(priv->workqueue);
 		priv->workqueue = NULL;
 	}
@@ -6121,6 +6156,8 @@ static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev,
 	INIT_DELAYED_WORK(&priv->wx_event_work, ipw2100_wx_event_work);
 	INIT_DELAYED_WORK(&priv->hang_check, ipw2100_hang_check);
 	INIT_DELAYED_WORK(&priv->rf_kill, ipw2100_rf_kill);
+	INIT_WORK(&priv->scan_event_now, ipw2100_scan_event_now);
+	INIT_DELAYED_WORK(&priv->scan_event_later, ipw2100_scan_event_later);
 
 	tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long))
 		     ipw2100_irq_tasklet, (unsigned long)priv);
@@ -7425,6 +7462,8 @@ static int ipw2100_wx_set_scan(struct net_device *dev,
 	}
 
 	IPW_DEBUG_WX("Initiating scan...\n");
+
+	priv->user_requested_scan = 1;
 	if (ipw2100_set_scan_options(priv) || ipw2100_start_scan(priv)) {
 		IPW_DEBUG_WX("Start scan failed.\n");
 

drivers/net/wireless/ipw2100.h

@@ -588,6 +588,10 @@ struct ipw2100_priv {
 	struct delayed_work wx_event_work;
 	struct delayed_work hang_check;
 	struct delayed_work rf_kill;
+	struct work_struct scan_event_now;
+	struct delayed_work scan_event_later;
+
+	int user_requested_scan;
 
 	u32 interrupts;
 	int tx_interrupts;

drivers/net/wireless/iwlwifi/iwl-3945-rs.c

@@ -37,9 +37,6 @@
 
 #include <linux/workqueue.h>
 
-#include <net/mac80211.h>
-#include <linux/wireless.h>
-
 #define IWL 3945
 
 #include "../net/mac80211/ieee80211_rate.h"

drivers/net/wireless/iwlwifi/iwl-3945.c

@@ -38,7 +38,6 @@
 #include <net/mac80211.h>
 
 #include <linux/etherdevice.h>
-#include <linux/delay.h>
 
 #define IWL 3945
 

drivers/net/wireless/iwlwifi/iwl-4965-rs.c

@@ -36,9 +36,6 @@
 
 #include <linux/workqueue.h>
 
-#include <net/mac80211.h>
-#include <linux/wireless.h>
-
 #define IWL 4965
 
 #include "../net/mac80211/ieee80211_rate.h"
@@ -2024,12 +2021,18 @@ static int open_file_generic(struct inode *inode, struct file *file)
 static void rs_dbgfs_set_mcs(struct iwl_rate_scale_priv *rs_priv,
 				struct iwl_rate *mcs, int index)
 {
-	const u32 cck_rate = 0x820A;
+	u32 base_rate;
+
+	if (rs_priv->phymode == (u8) MODE_IEEE80211A)
+		base_rate = 0x800D;
+	else
+		base_rate = 0x820A;
+
 	if (rs_priv->dbg_fixed.rate_n_flags) {
 		if (index < 12)
 			mcs->rate_n_flags = rs_priv->dbg_fixed.rate_n_flags;
 		else
-			mcs->rate_n_flags = cck_rate;
+			mcs->rate_n_flags = base_rate;
 		IWL_DEBUG_RATE("Fixed rate ON\n");
 		return;
 	}

drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -35,9 +35,7 @@
 #include <linux/netdevice.h>
 #include <linux/wireless.h>
 #include <net/mac80211.h>
-#include <linux/netdevice.h>
 #include <linux/etherdevice.h>
-#include <linux/delay.h>
 
 #define IWL 4965
 

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -48,8 +48,6 @@
 #include <linux/netdevice.h>
 #include <linux/wireless.h>
 #include <linux/firmware.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
 
@@ -1749,21 +1747,22 @@ static void iwl_unset_hw_setting(struct iwl_priv *priv)
  * return : set the bit for each supported rate insert in ie
  */
 static u16 iwl_supported_rate_to_ie(u8 *ie, u16 supported_rate,
-				    u16 basic_rate, int max_count)
+				    u16 basic_rate, int *left)
 {
 	u16 ret_rates = 0, bit;
 	int i;
-	u8 *rates;
-
-	rates = &(ie[1]);
+	u8 *cnt = ie;
+	u8 *rates = ie + 1;
 
 	for (bit = 1, i = 0; i < IWL_RATE_COUNT; i++, bit <<= 1) {
 		if (bit & supported_rate) {
 			ret_rates |= bit;
-			rates[*ie] = iwl_rates[i].ieee |
-			    ((bit & basic_rate) ? 0x80 : 0x00);
-			*ie = *ie + 1;
-			if (*ie >= max_count)
+			rates[*cnt] = iwl_rates[i].ieee |
+				((bit & basic_rate) ? 0x80 : 0x00);
+			(*cnt)++;
+			(*left)--;
+			if ((*left <= 0) ||
+			    (*cnt >= IWL_SUPPORTED_RATES_IE_LEN))
 				break;
 		}
 	}
@@ -1780,7 +1779,7 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv,
 {
 	int len = 0;
 	u8 *pos = NULL;
-	u16 ret_rates;
+	u16 active_rates, ret_rates, cck_rates;
 
 	/* Make sure there is enough space for the probe request,
 	 * two mandatory IEs and the data */
@@ -1825,19 +1824,27 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv,
 	left -= 2;
 	if (left < 0)
 		return 0;
+
 	/* ... fill it in... */
 	*pos++ = WLAN_EID_SUPP_RATES;
 	*pos = 0;
-	ret_rates = priv->active_rate = priv->rates_mask;
+
+	priv->active_rate = priv->rates_mask;
+	active_rates = priv->active_rate;
 	priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;
 
-	iwl_supported_rate_to_ie(pos, priv->active_rate,
-				 priv->active_rate_basic, left);
+	cck_rates = IWL_CCK_RATES_MASK & active_rates;
+	ret_rates = iwl_supported_rate_to_ie(pos, cck_rates,
+			priv->active_rate_basic, &left);
+	active_rates &= ~ret_rates;
+
+	ret_rates = iwl_supported_rate_to_ie(pos, active_rates,
+				 priv->active_rate_basic, &left);
+	active_rates &= ~ret_rates;
+
 	len += 2 + *pos;
 	pos += (*pos) + 1;
-	ret_rates = ~ret_rates & priv->active_rate;
-
-	if (ret_rates == 0)
+	if (active_rates == 0)
 		goto fill_end;
 
 	/* fill in supported extended rate */
@@ -1848,7 +1855,8 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv,
 	/* ... fill it in... */
 	*pos++ = WLAN_EID_EXT_SUPP_RATES;
 	*pos = 0;
-	iwl_supported_rate_to_ie(pos, ret_rates, priv->active_rate_basic, left);
+	iwl_supported_rate_to_ie(pos, active_rates,
+				 priv->active_rate_basic, &left);
 	if (*pos > 0)
 		len += 2 + *pos;
 

drivers/net/wireless/iwlwifi/iwl4965-base.c

@@ -48,8 +48,6 @@
 #include <linux/netdevice.h>
 #include <linux/wireless.h>
 #include <linux/firmware.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
 
@@ -1802,21 +1800,22 @@ static void iwl_unset_hw_setting(struct iwl_priv *priv)
  * return : set the bit for each supported rate insert in ie
  */
 static u16 iwl_supported_rate_to_ie(u8 *ie, u16 supported_rate,
-				    u16 basic_rate, int max_count)
+				    u16 basic_rate, int *left)
 {
 	u16 ret_rates = 0, bit;
 	int i;
-	u8 *rates;
-
-	rates = &(ie[1]);
+	u8 *cnt = ie;
+	u8 *rates = ie + 1;
 
 	for (bit = 1, i = 0; i < IWL_RATE_COUNT; i++, bit <<= 1) {
 		if (bit & supported_rate) {
 			ret_rates |= bit;
-			rates[*ie] = iwl_rates[i].ieee |
-			    ((bit & basic_rate) ? 0x80 : 0x00);
-			*ie = *ie + 1;
-			if (*ie >= max_count)
+			rates[*cnt] = iwl_rates[i].ieee |
+				((bit & basic_rate) ? 0x80 : 0x00);
+			(*cnt)++;
+			(*left)--;
+			if ((*left <= 0) ||
+			    (*cnt >= IWL_SUPPORTED_RATES_IE_LEN))
 				break;
 		}
 	}
@@ -1839,7 +1838,7 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv,
 {
 	int len = 0;
 	u8 *pos = NULL;
-	u16 ret_rates;
+	u16 active_rates, ret_rates, cck_rates;
 
 	/* Make sure there is enough space for the probe request,
 	 * two mandatory IEs and the data */
@@ -1884,19 +1883,27 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv,
 	left -= 2;
 	if (left < 0)
 		return 0;
+
 	/* ... fill it in... */
 	*pos++ = WLAN_EID_SUPP_RATES;
 	*pos = 0;
-	ret_rates = priv->active_rate = priv->rates_mask;
+
+	priv->active_rate = priv->rates_mask;
+	active_rates = priv->active_rate;
 	priv->active_rate_basic = priv->rates_mask & IWL_BASIC_RATES_MASK;
 
-	iwl_supported_rate_to_ie(pos, priv->active_rate,
-				 priv->active_rate_basic, left);
+	cck_rates = IWL_CCK_RATES_MASK & active_rates;
+	ret_rates = iwl_supported_rate_to_ie(pos, cck_rates,
+			priv->active_rate_basic, &left);
+	active_rates &= ~ret_rates;
+
+	ret_rates = iwl_supported_rate_to_ie(pos, active_rates,
+				 priv->active_rate_basic, &left);
+	active_rates &= ~ret_rates;
+
 	len += 2 + *pos;
 	pos += (*pos) + 1;
-	ret_rates = ~ret_rates & priv->active_rate;
-
-	if (ret_rates == 0)
+	if (active_rates == 0)
 		goto fill_end;
 
 	/* fill in supported extended rate */
@@ -1907,7 +1914,8 @@ static u16 iwl_fill_probe_req(struct iwl_priv *priv,
 	/* ... fill it in... */
 	*pos++ = WLAN_EID_EXT_SUPP_RATES;
 	*pos = 0;
-	iwl_supported_rate_to_ie(pos, ret_rates, priv->active_rate_basic, left);
+	iwl_supported_rate_to_ie(pos, active_rates,
+				 priv->active_rate_basic, &left);
 	if (*pos > 0)
 		len += 2 + *pos;
 
@@ -4494,13 +4502,13 @@ static u8 ratio2dB[100] = {
  * Conversion assumes that levels are voltages (20*log), not powers (10*log). */
 int iwl_calc_db_from_ratio(int sig_ratio)
 {
-	/* Anything above 1000:1 just report as 60 dB */
-	if (sig_ratio > 1000)
+	/* 1000:1 or higher just report as 60 dB */
+	if (sig_ratio >= 1000)
 		return 60;
 
-	/* Above 100:1, divide by 10 and use table,
+	/* 100:1 or higher, divide by 10 and use table,
 	 *   add 20 dB to make up for divide by 10 */
-	if (sig_ratio > 100)
+	if (sig_ratio >= 100)
 		return (20 + (int)ratio2dB[sig_ratio/10]);
 
 	/* We shouldn't see this */