diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 4ad26f7613c59482d57405835583635fb332127d..bb3a5f6332276ae8aedf7549ff7ede787279f60c 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -7442,7 +7442,7 @@ static int iwl3945_mac_conf_tx(struct ieee80211_hw *hw, int queue,
 	priv->qos_data.def_qos_parm.ac[q].cw_max = cpu_to_le16(params->cw_max);
 	priv->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
 	priv->qos_data.def_qos_parm.ac[q].edca_txop =
-			cpu_to_le16((params->burst_time * 100));
+			cpu_to_le16((params->txop * 32));
 
 	priv->qos_data.def_qos_parm.ac[q].reserved1 = 0;
 	priv->qos_data.qos_active = 1;
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index f8931993ab70e0e88f7e55a9aeb48314204d683a..fb4c84e31932df239c5965a130c52b5d1b2f20f5 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -7916,7 +7916,7 @@ static int iwl4965_mac_conf_tx(struct ieee80211_hw *hw, int queue,
 	priv->qos_data.def_qos_parm.ac[q].cw_max = cpu_to_le16(params->cw_max);
 	priv->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
 	priv->qos_data.def_qos_parm.ac[q].edca_txop =
-			cpu_to_le16((params->burst_time * 100));
+			cpu_to_le16((params->txop * 32));
 
 	priv->qos_data.def_qos_parm.ac[q].reserved1 = 0;
 	priv->qos_data.qos_active = 1;
diff --git a/drivers/net/wireless/p54common.c b/drivers/net/wireless/p54common.c
index 218ff7770ef6974ed4cb8787d667ae671bf5bec5..0e9f887178cef113bd43bb3051bcd7a44526a788 100644
--- a/drivers/net/wireless/p54common.c
+++ b/drivers/net/wireless/p54common.c
@@ -759,13 +759,12 @@ static int p54_set_leds(struct ieee80211_hw *dev, int mode, int link, int act)
 	return 0;
 }
 
-#define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, burst)	\
+#define P54_SET_QUEUE(queue, ai_fs, cw_min, cw_max, _txop)	\
 do {	 							\
 	queue.aifs = cpu_to_le16(ai_fs);			\
 	queue.cwmin = cpu_to_le16(cw_min);			\
 	queue.cwmax = cpu_to_le16(cw_max);			\
-	queue.txop = (burst == 0) ? 				\
-		0 : cpu_to_le16((burst * 100) / 32 + 1);	\
+	queue.txop = cpu_to_le16(_txop);			\
 } while(0)
 
 static void p54_init_vdcf(struct ieee80211_hw *dev)
@@ -783,10 +782,16 @@ static void p54_init_vdcf(struct ieee80211_hw *dev)
 
 	vdcf = (struct p54_tx_control_vdcf *) hdr->data;
 
-	P54_SET_QUEUE(vdcf->queue[0], 0x0002, 0x0003, 0x0007, 0x000f);
-	P54_SET_QUEUE(vdcf->queue[1], 0x0002, 0x0007, 0x000f, 0x001e);
-	P54_SET_QUEUE(vdcf->queue[2], 0x0002, 0x000f, 0x03ff, 0x0014);
-	P54_SET_QUEUE(vdcf->queue[3], 0x0007, 0x000f, 0x03ff, 0x0000);
+	/*
+	 * FIXME: The default values in the spec (IEEE 802.11
+	 *	  7.3.2.19 Table 37) are 47, 94, 0, 0, why use
+	 *	  47, 94, 63, 0 here? Also, the default AIFS
+	 *	  values (second parameter) are 2, 2, 3, 7...
+	 */
+	P54_SET_QUEUE(vdcf->queue[0], 0x0002, 0x0003, 0x0007, 47);
+	P54_SET_QUEUE(vdcf->queue[1], 0x0002, 0x0007, 0x000f, 94);
+	P54_SET_QUEUE(vdcf->queue[2], 0x0002, 0x000f, 0x03ff, 63);
+	P54_SET_QUEUE(vdcf->queue[3], 0x0007, 0x000f, 0x03ff, 0);
 }
 
 static void p54_set_vdcf(struct ieee80211_hw *dev)
@@ -939,7 +944,7 @@ static int p54_conf_tx(struct ieee80211_hw *dev, int queue,
 
 	if ((params) && !((queue < 0) || (queue > 4))) {
 		P54_SET_QUEUE(vdcf->queue[queue], params->aifs,
-			params->cw_min, params->cw_max, params->burst_time);
+			params->cw_min, params->cw_max, params->txop);
 	} else
 		return -EINVAL;
 
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 460da54a0019aef3fa5dcd8d5f1fc998ec29e6e4..5ecf3cc8d977d2553674cea3d5577a03ea2f8ac0 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -89,19 +89,19 @@ struct ieee80211_ht_bss_info {
  * struct ieee80211_tx_queue_params - transmit queue configuration
  *
  * The information provided in this structure is required for QoS
- * transmit queue configuration.
+ * transmit queue configuration. Cf. IEEE 802.11 7.3.2.29.
  *
  * @aifs: arbitration interface space [0..255, -1: use default]
  * @cw_min: minimum contention window [will be a value of the form
  *	2^n-1 in the range 1..1023; 0: use default]
  * @cw_max: maximum contention window [like @cw_min]
- * @burst_time: maximum burst time in units of 0.1ms, 0 meaning disabled
+ * @txop: maximum burst time in units of 32 usecs, 0 meaning disabled
  */
 struct ieee80211_tx_queue_params {
-	int aifs;
-	int cw_min;
-	int cw_max;
-	int burst_time;
+	s16 aifs;
+	u16 cw_min;
+	u16 cw_max;
+	u16 txop;
 };
 
 /**
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index a8251a23917bc160f95a8779e0020a2814537a8a..11f2ee6b2269f1ac22c34600e82b5277edf2bea8 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -297,12 +297,13 @@ static void ieee80211_sta_wmm_params(struct net_device *dev,
 		params.aifs = pos[0] & 0x0f;
 		params.cw_max = ecw2cw((pos[1] & 0xf0) >> 4);
 		params.cw_min = ecw2cw(pos[1] & 0x0f);
-		/* TXOP is in units of 32 usec; burst_time in 0.1 ms */
-		params.burst_time = (pos[2] | (pos[3] << 8)) * 32 / 100;
+		params.txop = pos[2] | (pos[3] << 8);
+#ifdef CONFIG_MAC80211_DEBUG
 		printk(KERN_DEBUG "%s: WMM queue=%d aci=%d acm=%d aifs=%d "
-		       "cWmin=%d cWmax=%d burst=%d\n",
+		       "cWmin=%d cWmax=%d txop=%d\n",
 		       dev->name, queue, aci, acm, params.aifs, params.cw_min,
-		       params.cw_max, params.burst_time);
+		       params.cw_max, params.txop);
+#endif
 		/* TODO: handle ACM (block TX, fallback to next lowest allowed
 		 * AC for now) */
 		if (local->ops->conf_tx(local_to_hw(local), queue, &params)) {
@@ -3230,7 +3231,7 @@ int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len)
 			qparam.cw_min = 15;
 
 		qparam.cw_max = 1023;
-		qparam.burst_time = 0;
+		qparam.txop = 0;
 
 		for (i = IEEE80211_TX_QUEUE_DATA0; i < NUM_TX_DATA_QUEUES; i++)
 			local->ops->conf_tx(local_to_hw(local),