---

yaml
---
r: 122006
b: refs/heads/master
c: 7f3704e
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3e4127fa6db34765685599fb8d1177e51850a63c
+refs/heads/master: 7f3704e992ee4044f8e0068e060458377004473a

trunk/drivers/net/wireless/b43legacy/b43legacy.h

@@ -145,6 +145,10 @@
 #define B43legacy_SHM_SH_PRMAXTIME	0x0074 /* Probe Response max time */
 #define B43legacy_SHM_SH_PRPHYCTL	0x0188 /* Probe Resp PHY TX control */
 /* SHM_SHARED rate tables */
+#define B43legacy_SHM_SH_OFDMDIRECT	0x0480 /* Pointer to OFDM direct map */
+#define B43legacy_SHM_SH_OFDMBASIC	0x04A0 /* Pointer to OFDM basic rate map */
+#define B43legacy_SHM_SH_CCKDIRECT	0x04C0 /* Pointer to CCK direct map */
+#define B43legacy_SHM_SH_CCKBASIC	0x04E0 /* Pointer to CCK basic rate map */
 /* SHM_SHARED microcode soft registers */
 #define B43legacy_SHM_SH_UCODEREV	0x0000 /* Microcode revision */
 #define B43legacy_SHM_SH_UCODEPATCH	0x0002 /* Microcode patchlevel */
@@ -663,7 +667,6 @@ struct b43legacy_wldev {
 	bool bad_frames_preempt;/* Use "Bad Frames Preemption". */
 	bool dfq_valid;		/* Directed frame queue valid (IBSS PS mode, ATIM). */
 	bool short_preamble;	/* TRUE if using short preamble. */
-	bool short_slot;	/* TRUE if using short slot timing. */
 	bool radio_hw_enable;	/* State of radio hardware enable bit. */
 
 	/* PHY/Radio device. */

trunk/drivers/net/wireless/b43legacy/main.c

@@ -576,13 +576,11 @@ static void b43legacy_set_slot_time(struct b43legacy_wldev *dev,
 static void b43legacy_short_slot_timing_enable(struct b43legacy_wldev *dev)
 {
 	b43legacy_set_slot_time(dev, 9);
-	dev->short_slot = 1;
 }
 
 static void b43legacy_short_slot_timing_disable(struct b43legacy_wldev *dev)
 {
 	b43legacy_set_slot_time(dev, 20);
-	dev->short_slot = 0;
 }
 
 /* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable.
@@ -2608,16 +2606,6 @@ static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
 	if (conf->channel->hw_value != phy->channel)
 		b43legacy_radio_selectchannel(dev, conf->channel->hw_value, 0);
 
-	/* Enable/Disable ShortSlot timing. */
-	if ((!!(conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME))
-	     != dev->short_slot) {
-		B43legacy_WARN_ON(phy->type != B43legacy_PHYTYPE_G);
-		if (conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME)
-			b43legacy_short_slot_timing_enable(dev);
-		else
-			b43legacy_short_slot_timing_disable(dev);
-	}
-
 	dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
 
 	/* Adjust the desired TX power level. */
@@ -2662,6 +2650,104 @@ static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
 	return err;
 }
 
+static void b43legacy_update_basic_rates(struct b43legacy_wldev *dev, u64 brates)
+{
+	struct ieee80211_supported_band *sband =
+		dev->wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ];
+	struct ieee80211_rate *rate;
+	int i;
+	u16 basic, direct, offset, basic_offset, rateptr;
+
+	for (i = 0; i < sband->n_bitrates; i++) {
+		rate = &sband->bitrates[i];
+
+		if (b43legacy_is_cck_rate(rate->hw_value)) {
+			direct = B43legacy_SHM_SH_CCKDIRECT;
+			basic = B43legacy_SHM_SH_CCKBASIC;
+			offset = b43legacy_plcp_get_ratecode_cck(rate->hw_value);
+			offset &= 0xF;
+		} else {
+			direct = B43legacy_SHM_SH_OFDMDIRECT;
+			basic = B43legacy_SHM_SH_OFDMBASIC;
+			offset = b43legacy_plcp_get_ratecode_ofdm(rate->hw_value);
+			offset &= 0xF;
+		}
+
+		rate = ieee80211_get_response_rate(sband, brates, rate->bitrate);
+
+		if (b43legacy_is_cck_rate(rate->hw_value)) {
+			basic_offset = b43legacy_plcp_get_ratecode_cck(rate->hw_value);
+			basic_offset &= 0xF;
+		} else {
+			basic_offset = b43legacy_plcp_get_ratecode_ofdm(rate->hw_value);
+			basic_offset &= 0xF;
+		}
+
+		/*
+		 * Get the pointer that we need to point to
+		 * from the direct map
+		 */
+		rateptr = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED,
+					       direct + 2 * basic_offset);
+		/* and write it to the basic map */
+		b43legacy_shm_write16(dev, B43legacy_SHM_SHARED,
+				      basic + 2 * offset, rateptr);
+	}
+}
+
+static void b43legacy_op_bss_info_changed(struct ieee80211_hw *hw,
+				    struct ieee80211_vif *vif,
+				    struct ieee80211_bss_conf *conf,
+				    u32 changed)
+{
+	struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
+	struct b43legacy_wldev *dev;
+	struct b43legacy_phy *phy;
+	unsigned long flags;
+	u32 savedirqs;
+
+	mutex_lock(&wl->mutex);
+
+	dev = wl->current_dev;
+	phy = &dev->phy;
+
+	/* Disable IRQs while reconfiguring the device.
+	 * This makes it possible to drop the spinlock throughout
+	 * the reconfiguration process. */
+	spin_lock_irqsave(&wl->irq_lock, flags);
+	if (b43legacy_status(dev) < B43legacy_STAT_STARTED) {
+		spin_unlock_irqrestore(&wl->irq_lock, flags);
+		goto out_unlock_mutex;
+	}
+	savedirqs = b43legacy_interrupt_disable(dev, B43legacy_IRQ_ALL);
+	spin_unlock_irqrestore(&wl->irq_lock, flags);
+	b43legacy_synchronize_irq(dev);
+
+	b43legacy_mac_suspend(dev);
+
+	if (changed & BSS_CHANGED_BASIC_RATES)
+		b43legacy_update_basic_rates(dev, conf->basic_rates);
+
+	if (changed & BSS_CHANGED_ERP_SLOT) {
+		if (conf->use_short_slot)
+			b43legacy_short_slot_timing_enable(dev);
+		else
+			b43legacy_short_slot_timing_disable(dev);
+	}
+
+	b43legacy_mac_enable(dev);
+
+	spin_lock_irqsave(&wl->irq_lock, flags);
+	b43legacy_interrupt_enable(dev, savedirqs);
+	/* XXX: why? */
+	mmiowb();
+	spin_unlock_irqrestore(&wl->irq_lock, flags);
+ out_unlock_mutex:
+	mutex_unlock(&wl->mutex);
+
+	return;
+}
+
 static void b43legacy_op_configure_filter(struct ieee80211_hw *hw,
 					  unsigned int changed,
 					  unsigned int *fflags,
@@ -3370,6 +3456,7 @@ static const struct ieee80211_ops b43legacy_hw_ops = {
 	.add_interface		= b43legacy_op_add_interface,
 	.remove_interface	= b43legacy_op_remove_interface,
 	.config			= b43legacy_op_dev_config,
+	.bss_info_changed	= b43legacy_op_bss_info_changed,
 	.config_interface	= b43legacy_op_config_interface,
 	.configure_filter	= b43legacy_op_configure_filter,
 	.get_stats		= b43legacy_op_get_stats,