1 files changed, 112 insertions, 58 deletions

diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 29be3dc8ee0..17e06bbc996 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -146,23 +146,23 @@ void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
 
 	if (priv->fw_var >= 0x300) {
 		/* Firmware supports QoS, use it! */
-		priv->tx_stats[0].limit = 3;
-		priv->tx_stats[1].limit = 4;
-		priv->tx_stats[2].limit = 3;
-		priv->tx_stats[3].limit = 1;
+		priv->tx_stats[4].limit = 3;
+		priv->tx_stats[5].limit = 4;
+		priv->tx_stats[6].limit = 3;
+		priv->tx_stats[7].limit = 1;
 		dev->queues = 4;
 	}
 }
 EXPORT_SYMBOL_GPL(p54_parse_firmware);
 
-static int p54_convert_rev0_to_rev1(struct ieee80211_hw *dev,
-				    struct pda_pa_curve_data *curve_data)
+static int p54_convert_rev0(struct ieee80211_hw *dev,
+			    struct pda_pa_curve_data *curve_data)
 {
 	struct p54_common *priv = dev->priv;
-	struct pda_pa_curve_data_sample_rev1 *rev1;
-	struct pda_pa_curve_data_sample_rev0 *rev0;
+	struct p54_pa_curve_data_sample *dst;
+	struct pda_pa_curve_data_sample_rev0 *src;
 	size_t cd_len = sizeof(*curve_data) +
-		(curve_data->points_per_channel*sizeof(*rev1) + 2) *
+		(curve_data->points_per_channel*sizeof(*dst) + 2) *
 		 curve_data->channels;
 	unsigned int i, j;
 	void *source, *target;
@@ -180,27 +180,63 @@ static int p54_convert_rev0_to_rev1(struct ieee80211_hw *dev,
 		*((__le16 *)target) = *freq;
 		target += sizeof(__le16);
 		for (j = 0; j < curve_data->points_per_channel; j++) {
-			rev1 = target;
-			rev0 = source;
+			dst = target;
+			src = source;
 
-			rev1->rf_power = rev0->rf_power;
-			rev1->pa_detector = rev0->pa_detector;
-			rev1->data_64qam = rev0->pcv;
+			dst->rf_power = src->rf_power;
+			dst->pa_detector = src->pa_detector;
+			dst->data_64qam = src->pcv;
 			/* "invent" the points for the other modulations */
 #define SUB(x,y) (u8)((x) - (y)) > (x) ? 0 : (x) - (y)
-			rev1->data_16qam = SUB(rev0->pcv, 12);
-			rev1->data_qpsk  = SUB(rev1->data_16qam, 12);
-			rev1->data_bpsk  = SUB(rev1->data_qpsk, 12);
-			rev1->data_barker= SUB(rev1->data_bpsk, 14);
+			dst->data_16qam = SUB(src->pcv, 12);
+			dst->data_qpsk = SUB(dst->data_16qam, 12);
+			dst->data_bpsk = SUB(dst->data_qpsk, 12);
+			dst->data_barker = SUB(dst->data_bpsk, 14);
 #undef SUB
-			target += sizeof(*rev1);
-			source += sizeof(*rev0);
+			target += sizeof(*dst);
+			source += sizeof(*src);
 		}
 	}
 
 	return 0;
 }
 
+static int p54_convert_rev1(struct ieee80211_hw *dev,
+			    struct pda_pa_curve_data *curve_data)
+{
+	struct p54_common *priv = dev->priv;
+	struct p54_pa_curve_data_sample *dst;
+	struct pda_pa_curve_data_sample_rev1 *src;
+	size_t cd_len = sizeof(*curve_data) +
+		(curve_data->points_per_channel*sizeof(*dst) + 2) *
+		 curve_data->channels;
+	unsigned int i, j;
+	void *source, *target;
+
+	priv->curve_data = kmalloc(cd_len, GFP_KERNEL);
+	if (!priv->curve_data)
+		return -ENOMEM;
+
+	memcpy(priv->curve_data, curve_data, sizeof(*curve_data));
+	source = curve_data->data;
+	target = priv->curve_data->data;
+	for (i = 0; i < curve_data->channels; i++) {
+		__le16 *freq = source;
+		source += sizeof(__le16);
+		*((__le16 *)target) = *freq;
+		target += sizeof(__le16);
+		for (j = 0; j < curve_data->points_per_channel; j++) {
+			memcpy(target, source, sizeof(*src));
+
+			target += sizeof(*dst);
+			source += sizeof(*src);
+		}
+		source++;
+	}
+
+	return 0;
+}
+
 int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 {
 	struct p54_common *priv = dev->priv;
@@ -250,27 +286,32 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 			       entry->data[1]*sizeof(*priv->output_limit));
 			priv->output_limit_len = entry->data[1];
 			break;
-		case PDR_PRISM_PA_CAL_CURVE_DATA:
-			if (data_len < sizeof(struct pda_pa_curve_data)) {
+		case PDR_PRISM_PA_CAL_CURVE_DATA: {
+			struct pda_pa_curve_data *curve_data =
+				(struct pda_pa_curve_data *)entry->data;
+			if (data_len < sizeof(*curve_data)) {
 				err = -EINVAL;
 				goto err;
 			}
 
-			if (((struct pda_pa_curve_data *)entry->data)->cal_method_rev) {
-				priv->curve_data = kmalloc(data_len, GFP_KERNEL);
-				if (!priv->curve_data) {
-					err = -ENOMEM;
-					goto err;
-				}
-
-				memcpy(priv->curve_data, entry->data, data_len);
-			} else {
-				err = p54_convert_rev0_to_rev1(dev, (struct pda_pa_curve_data *)entry->data);
-				if (err)
-					goto err;
+			switch (curve_data->cal_method_rev) {
+			case 0:
+				err = p54_convert_rev0(dev, curve_data);
+				break;
+			case 1:
+				err = p54_convert_rev1(dev, curve_data);
+				break;
+			default:
+				printk(KERN_ERR "p54: unknown curve data "
+						"revision %d\n",
+						curve_data->cal_method_rev);
+				err = -ENODEV;
+				break;
 			}
+			if (err)
+				goto err;
 
-			break;
+		}
 		case PDR_PRISM_ZIF_TX_IQ_CALIBRATION:
 			priv->iq_autocal = kmalloc(data_len, GFP_KERNEL);
 			if (!priv->iq_autocal) {
@@ -377,7 +418,7 @@ static void inline p54_wake_free_queues(struct ieee80211_hw *dev)
 	int i;
 
 	for (i = 0; i < dev->queues; i++)
-		if (priv->tx_stats[i].len < priv->tx_stats[i].limit)
+		if (priv->tx_stats[i + 4].len < priv->tx_stats[i + 4].limit)
 			ieee80211_wake_queue(dev, i);
 }
 
@@ -391,7 +432,9 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
 	struct memrecord *range = NULL;
 	u32 freed = 0;
 	u32 last_addr = priv->rx_start;
+	unsigned long flags;
 
+	spin_lock_irqsave(&priv->tx_queue.lock, flags);
 	while (entry != (struct sk_buff *)&priv->tx_queue) {
 		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(entry);
 		range = (void *)info->driver_data;
@@ -412,13 +455,15 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
 
 			last_addr = range->end_addr;
 			__skb_unlink(entry, &priv->tx_queue);
+			spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
+
 			memset(&info->status, 0, sizeof(info->status));
 			entry_hdr = (struct p54_control_hdr *) entry->data;
 			entry_data = (struct p54_tx_control_allocdata *) entry_hdr->data;
 			if ((entry_hdr->magic1 & cpu_to_le16(0x4000)) != 0)
 				pad = entry_data->align[0];
 
-			priv->tx_stats[entry_data->hw_queue - 4].len--;
+			priv->tx_stats[entry_data->hw_queue].len--;
 			if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
 				if (!(payload->status & 0x01))
 					info->flags |= IEEE80211_TX_STAT_ACK;
@@ -429,12 +474,14 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
 			info->status.ack_signal = le16_to_cpu(payload->ack_rssi);
 			skb_pull(entry, sizeof(*hdr) + pad + sizeof(*entry_data));
 			ieee80211_tx_status_irqsafe(dev, entry);
-			break;
+			goto out;
 		} else
 			last_addr = range->end_addr;
 		entry = entry->next;
 	}
+	spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
 
+out:
 	if (freed >= IEEE80211_MAX_RTS_THRESHOLD + 0x170 +
 	    sizeof(struct p54_control_hdr))
 		p54_wake_free_queues(dev);
@@ -559,7 +606,7 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
 	u8 rate;
 	u8 cts_rate = 0x20;
 
-	current_queue = &priv->tx_stats[skb_get_queue_mapping(skb)];
+	current_queue = &priv->tx_stats[skb_get_queue_mapping(skb) + 4];
 	if (unlikely(current_queue->len > current_queue->limit))
 		return NETDEV_TX_BUSY;
 	current_queue->len++;
@@ -672,12 +719,9 @@ static int p54_set_freq(struct ieee80211_hw *dev, __le16 freq)
 	struct p54_control_hdr *hdr;
 	struct p54_tx_control_channel *chan;
 	unsigned int i;
-	size_t payload_len = sizeof(*chan) + sizeof(u32)*2 +
-			     sizeof(*chan->curve_data) *
-			     priv->curve_data->points_per_channel;
 	void *entry;
 
-	hdr = kzalloc(sizeof(*hdr) + payload_len +
+	hdr = kzalloc(sizeof(*hdr) + sizeof(*chan) +
 		      priv->tx_hdr_len, GFP_KERNEL);
 	if (!hdr)
 		return -ENOMEM;
@@ -689,10 +733,10 @@ static int p54_set_freq(struct ieee80211_hw *dev, __le16 freq)
 	hdr->magic1 = cpu_to_le16(0x8001);
 	hdr->len = cpu_to_le16(sizeof(*chan));
 	hdr->type = cpu_to_le16(P54_CONTROL_TYPE_CHANNEL_CHANGE);
-	p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + payload_len);
+	p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*chan));
 
-	chan->magic1 = cpu_to_le16(0x1);
-	chan->magic2 = cpu_to_le16(0x0);
+	chan->flags = cpu_to_le16(0x1);
+	chan->dwell = cpu_to_le16(0x0);
 
 	for (i = 0; i < priv->iq_autocal_len; i++) {
 		if (priv->iq_autocal[i].freq != freq)
@@ -710,35 +754,41 @@ static int p54_set_freq(struct ieee80211_hw *dev, __le16 freq)
 			continue;
 
 		chan->val_barker = 0x38;
-		chan->val_bpsk = priv->output_limit[i].val_bpsk;
-		chan->val_qpsk = priv->output_limit[i].val_qpsk;
-		chan->val_16qam = priv->output_limit[i].val_16qam;
-		chan->val_64qam = priv->output_limit[i].val_64qam;
+		chan->val_bpsk = chan->dup_bpsk =
+			priv->output_limit[i].val_bpsk;
+		chan->val_qpsk = chan->dup_qpsk =
+			priv->output_limit[i].val_qpsk;
+		chan->val_16qam = chan->dup_16qam =
+			priv->output_limit[i].val_16qam;
+		chan->val_64qam = chan->dup_64qam =
+			priv->output_limit[i].val_64qam;
 		break;
 	}
 	if (i == priv->output_limit_len)
 		goto err;
 
-	chan->pa_points_per_curve = priv->curve_data->points_per_channel;
-
 	entry = priv->curve_data->data;
 	for (i = 0; i < priv->curve_data->channels; i++) {
 		if (*((__le16 *)entry) != freq) {
 			entry += sizeof(__le16);
-			entry += sizeof(struct pda_pa_curve_data_sample_rev1) *
-				 chan->pa_points_per_curve;
+			entry += sizeof(struct p54_pa_curve_data_sample) *
+				 priv->curve_data->points_per_channel;
 			continue;
 		}
 
 		entry += sizeof(__le16);
+		chan->pa_points_per_curve =
+			min(priv->curve_data->points_per_channel, (u8) 8);
+
 		memcpy(chan->curve_data, entry, sizeof(*chan->curve_data) *
 		       chan->pa_points_per_curve);
 		break;
 	}
 
-	memcpy(hdr->data + payload_len - 4, &chan->val_bpsk, 4);
+	chan->rssical_mul = cpu_to_le16(130);
+	chan->rssical_add = cpu_to_le16(0xfe70);	/* -400 */
 
-	priv->tx(dev, hdr, sizeof(*hdr) + payload_len, 1);
+	priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*chan), 1);
 	return 0;
 
  err:
@@ -987,7 +1037,7 @@ static int p54_get_tx_stats(struct ieee80211_hw *dev,
 {
 	struct p54_common *priv = dev->priv;
 
-	memcpy(stats, &priv->tx_stats, sizeof(stats[0]) * dev->queues);
+	memcpy(stats, &priv->tx_stats[4], sizeof(stats[0]) * dev->queues);
 
 	return 0;
 }
@@ -1025,7 +1075,11 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
 	dev->channel_change_time = 1000;	/* TODO: find actual value */
 	dev->max_signal = 127;
 
-	priv->tx_stats[0].limit = 5;
+	priv->tx_stats[0].limit = 1;
+	priv->tx_stats[1].limit = 1;
+	priv->tx_stats[2].limit = 1;
+	priv->tx_stats[3].limit = 1;
+	priv->tx_stats[4].limit = 5;
 	dev->queues = 1;
 
 	dev->extra_tx_headroom = sizeof(struct p54_control_hdr) + 4 +