1 files changed, 71 insertions, 30 deletions

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 527afcf39246..4d88b02ffa79 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -59,7 +59,7 @@
 #include <net/cfg80211.h>
 #include <net/ieee80211_radiotap.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #include <net/mac80211.h>
 #include "base.h"
@@ -73,16 +73,16 @@
 #include "trace.h"
 
 bool ath5k_modparam_nohwcrypt;
-module_param_named(nohwcrypt, ath5k_modparam_nohwcrypt, bool, S_IRUGO);
+module_param_named(nohwcrypt, ath5k_modparam_nohwcrypt, bool, 0444);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
 
 static bool modparam_fastchanswitch;
-module_param_named(fastchanswitch, modparam_fastchanswitch, bool, S_IRUGO);
+module_param_named(fastchanswitch, modparam_fastchanswitch, bool, 0444);
 MODULE_PARM_DESC(fastchanswitch, "Enable fast channel switching for AR2413/AR5413 radios.");
 
 static bool ath5k_modparam_no_hw_rfkill_switch;
 module_param_named(no_hw_rfkill_switch, ath5k_modparam_no_hw_rfkill_switch,
-								bool, S_IRUGO);
+		   bool, 0444);
 MODULE_PARM_DESC(no_hw_rfkill_switch, "Ignore the GPIO RFKill switch state");
 
 
@@ -90,7 +90,6 @@ MODULE_PARM_DESC(no_hw_rfkill_switch, "Ignore the GPIO RFKill switch state");
 MODULE_AUTHOR("Jiri Slaby");
 MODULE_AUTHOR("Nick Kossifidis");
 MODULE_DESCRIPTION("Support for 5xxx series of Atheros 802.11 wireless LAN cards.");
-MODULE_SUPPORTED_DEVICE("Atheros 5xxx WLAN cards");
 MODULE_LICENSE("Dual BSD/GPL");
 
 static int ath5k_init(struct ieee80211_hw *hw);
@@ -231,13 +230,13 @@ ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val)
 }
 static unsigned int ath5k_ioread32(void *hw_priv, u32 reg_offset)
 {
-	struct ath5k_hw *ah = (struct ath5k_hw *) hw_priv;
+	struct ath5k_hw *ah = hw_priv;
 	return ath5k_hw_reg_read(ah, reg_offset);
 }
 
 static void ath5k_iowrite32(void *hw_priv, u32 val, u32 reg_offset)
 {
-	struct ath5k_hw *ah = (struct ath5k_hw *) hw_priv;
+	struct ath5k_hw *ah = hw_priv;
 	ath5k_hw_reg_write(ah, val, reg_offset);
 }
 
@@ -728,6 +727,43 @@ ath5k_get_rate_hw_value(const struct ieee80211_hw *hw,
 	return hw_rate;
 }
 
+static bool ath5k_merge_ratetbl(struct ieee80211_sta *sta,
+				struct ath5k_buf *bf,
+				struct ieee80211_tx_info *tx_info)
+{
+	struct ieee80211_sta_rates *ratetbl;
+	u8 i;
+
+	if (!sta)
+		return false;
+
+	ratetbl = rcu_dereference(sta->rates);
+	if (!ratetbl)
+		return false;
+
+	if (tx_info->control.rates[0].idx < 0 ||
+	    tx_info->control.rates[0].count == 0)
+	{
+		i = 0;
+	} else {
+		bf->rates[0] = tx_info->control.rates[0];
+		i = 1;
+	}
+
+	for ( ; i < IEEE80211_TX_MAX_RATES; i++) {
+		bf->rates[i].idx = ratetbl->rate[i].idx;
+		bf->rates[i].flags = ratetbl->rate[i].flags;
+		if (tx_info->control.use_rts)
+			bf->rates[i].count = ratetbl->rate[i].count_rts;
+		else if (tx_info->control.use_cts_prot)
+			bf->rates[i].count = ratetbl->rate[i].count_cts;
+		else
+			bf->rates[i].count = ratetbl->rate[i].count;
+	}
+
+	return true;
+}
+
 static int
 ath5k_txbuf_setup(struct ath5k_hw *ah, struct ath5k_buf *bf,
 		  struct ath5k_txq *txq, int padsize,
@@ -738,6 +774,7 @@ ath5k_txbuf_setup(struct ath5k_hw *ah, struct ath5k_buf *bf,
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	unsigned int pktlen, flags, keyidx = AR5K_TXKEYIX_INVALID;
 	struct ieee80211_rate *rate;
+	struct ieee80211_sta *sta;
 	unsigned int mrr_rate[3], mrr_tries[3];
 	int i, ret;
 	u16 hw_rate;
@@ -754,8 +791,16 @@ ath5k_txbuf_setup(struct ath5k_hw *ah, struct ath5k_buf *bf,
 	if (dma_mapping_error(ah->dev, bf->skbaddr))
 		return -ENOSPC;
 
-	ieee80211_get_tx_rates(info->control.vif, (control) ? control->sta : NULL, skb, bf->rates,
-			       ARRAY_SIZE(bf->rates));
+	if (control)
+		sta = control->sta;
+	else
+		sta = NULL;
+
+	if (!ath5k_merge_ratetbl(sta, bf, info)) {
+		ieee80211_get_tx_rates(info->control.vif,
+				       sta, skb, bf->rates,
+				       ARRAY_SIZE(bf->rates));
+	}
 
 	rate = ath5k_get_rate(ah->hw, info, bf, 0);
 
@@ -837,7 +882,6 @@ ath5k_txbuf_setup(struct ath5k_hw *ah, struct ath5k_buf *bf,
 
 	txq->link = &ds->ds_link;
 	ath5k_hw_start_tx_dma(ah, txq->qnum);
-	mmiowb();
 	spin_unlock_bh(&txq->lock);
 
 	return 0;
@@ -1099,7 +1143,7 @@ err:
 /**
  * ath5k_drain_tx_buffs - Empty tx buffers
  *
- * @ah The &struct ath5k_hw
+ * @ah: The &struct ath5k_hw
  *
  * Empty tx buffers from all queues in preparation
  * of a reset or during shutdown.
@@ -1537,12 +1581,12 @@ ath5k_set_current_imask(struct ath5k_hw *ah)
 }
 
 static void
-ath5k_tasklet_rx(unsigned long data)
+ath5k_tasklet_rx(struct tasklet_struct *t)
 {
 	struct ath5k_rx_status rs = {};
 	struct sk_buff *skb, *next_skb;
 	dma_addr_t next_skb_addr;
-	struct ath5k_hw *ah = (void *)data;
+	struct ath5k_hw *ah = from_tasklet(ah, t, rxtq);
 	struct ath_common *common = ath5k_hw_common(ah);
 	struct ath5k_buf *bf;
 	struct ath5k_desc *ds;
@@ -1726,7 +1770,7 @@ ath5k_tx_frame_completed(struct ath5k_hw *ah, struct sk_buff *skb,
 		ah->stats.antenna_tx[0]++; /* invalid */
 
 	trace_ath5k_tx_complete(ah, skb, txq, ts);
-	ieee80211_tx_status(ah->hw, skb);
+	ieee80211_tx_status_skb(ah->hw, skb);
 }
 
 static void
@@ -1785,10 +1829,10 @@ ath5k_tx_processq(struct ath5k_hw *ah, struct ath5k_txq *txq)
 }
 
 static void
-ath5k_tasklet_tx(unsigned long data)
+ath5k_tasklet_tx(struct tasklet_struct *t)
 {
 	int i;
-	struct ath5k_hw *ah = (void *)data;
+	struct ath5k_hw *ah = from_tasklet(ah, t, txtq);
 
 	for (i = 0; i < AR5K_NUM_TX_QUEUES; i++)
 		if (ah->txqs[i].setup && (ah->ah_txq_isr_txok_all & BIT(i)))
@@ -1902,7 +1946,7 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 		goto out;
 	}
 
-	skb = ieee80211_beacon_get(hw, vif);
+	skb = ieee80211_beacon_get(hw, vif, 0);
 
 	if (!skb) {
 		ret = -ENOMEM;
@@ -1938,7 +1982,7 @@ ath5k_beacon_send(struct ath5k_hw *ah)
 
 	/*
 	 * Check if the previous beacon has gone out.  If
-	 * not, don't don't try to post another: skip this
+	 * not, don't try to post another: skip this
 	 * period and wait for the next.  Missed beacons
 	 * indicate a problem and should not occur.  If we
 	 * miss too many consecutive beacons reset the device.
@@ -2174,13 +2218,12 @@ ath5k_beacon_config(struct ath5k_hw *ah)
 	}
 
 	ath5k_hw_set_imr(ah, ah->imask);
-	mmiowb();
 	spin_unlock_bh(&ah->block);
 }
 
-static void ath5k_tasklet_beacon(unsigned long data)
+static void ath5k_tasklet_beacon(struct tasklet_struct *t)
 {
-	struct ath5k_hw *ah = (struct ath5k_hw *) data;
+	struct ath5k_hw *ah = from_tasklet(ah, t, beacontq);
 
 	/*
 	 * Software beacon alert--time to send a beacon.
@@ -2449,9 +2492,9 @@ ath5k_calibrate_work(struct work_struct *work)
 
 
 static void
-ath5k_tasklet_ani(unsigned long data)
+ath5k_tasklet_ani(struct tasklet_struct *t)
 {
-	struct ath5k_hw *ah = (void *)data;
+	struct ath5k_hw *ah = from_tasklet(ah, t, ani_tasklet);
 
 	ah->ah_cal_mask |= AR5K_CALIBRATION_ANI;
 	ath5k_ani_calibration(ah);
@@ -2779,7 +2822,6 @@ int ath5k_start(struct ieee80211_hw *hw)
 
 	ret = 0;
 done:
-	mmiowb();
 	mutex_unlock(&ah->lock);
 
 	set_bit(ATH_STAT_STARTED, ah->status);
@@ -2805,7 +2847,7 @@ static void ath5k_stop_tasklets(struct ath5k_hw *ah)
  * if another thread does a system call and the thread doing the
  * stop is preempted).
  */
-void ath5k_stop(struct ieee80211_hw *hw)
+void ath5k_stop(struct ieee80211_hw *hw, bool suspend)
 {
 	struct ath5k_hw *ah = hw->priv;
 	int ret;
@@ -2839,7 +2881,6 @@ void ath5k_stop(struct ieee80211_hw *hw)
 				"putting device to sleep\n");
 	}
 
-	mmiowb();
 	mutex_unlock(&ah->lock);
 
 	ath5k_stop_tasklets(ah);
@@ -3073,10 +3114,10 @@ ath5k_init(struct ieee80211_hw *hw)
 		hw->queues = 1;
 	}
 
-	tasklet_init(&ah->rxtq, ath5k_tasklet_rx, (unsigned long)ah);
-	tasklet_init(&ah->txtq, ath5k_tasklet_tx, (unsigned long)ah);
-	tasklet_init(&ah->beacontq, ath5k_tasklet_beacon, (unsigned long)ah);
-	tasklet_init(&ah->ani_tasklet, ath5k_tasklet_ani, (unsigned long)ah);
+	tasklet_setup(&ah->rxtq, ath5k_tasklet_rx);
+	tasklet_setup(&ah->txtq, ath5k_tasklet_tx);
+	tasklet_setup(&ah->beacontq, ath5k_tasklet_beacon);
+	tasklet_setup(&ah->ani_tasklet, ath5k_tasklet_ani);
 
 	INIT_WORK(&ah->reset_work, ath5k_reset_work);
 	INIT_WORK(&ah->calib_work, ath5k_calibrate_work);