Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	sound/core/memalloc.c

7 files changed, 986 insertions, 546 deletions

diff --git a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h
index 4801a363507..1d0704fe146 100644
--- a/drivers/net/wireless/p54/p54.h
+++ b/drivers/net/wireless/p54/p54.h
@@ -1,5 +1,5 @@
-#ifndef PRISM54_H
-#define PRISM54_H
+#ifndef P54_H
+#define P54_H
 
 /*
  * Shared defines for all mac80211 Prism54 code
@@ -19,13 +19,24 @@ enum control_frame_types {
 	P54_CONTROL_TYPE_CHANNEL_CHANGE,
 	P54_CONTROL_TYPE_FREQDONE,
 	P54_CONTROL_TYPE_DCFINIT,
-	P54_CONTROL_TYPE_FREEQUEUE = 7,
+	P54_CONTROL_TYPE_ENCRYPTION,
+	P54_CONTROL_TYPE_TIM,
+	P54_CONTROL_TYPE_POWERMGT,
+	P54_CONTROL_TYPE_FREEQUEUE,
 	P54_CONTROL_TYPE_TXDONE,
 	P54_CONTROL_TYPE_PING,
 	P54_CONTROL_TYPE_STAT_READBACK,
 	P54_CONTROL_TYPE_BBP,
 	P54_CONTROL_TYPE_EEPROM_READBACK,
-	P54_CONTROL_TYPE_LED
+	P54_CONTROL_TYPE_LED,
+	P54_CONTROL_TYPE_GPIO,
+	P54_CONTROL_TYPE_TIMER,
+	P54_CONTROL_TYPE_MODULATION,
+	P54_CONTROL_TYPE_SYNTH_CONFIG,
+	P54_CONTROL_TYPE_DETECTOR_VALUE,
+	P54_CONTROL_TYPE_XBOW_SYNTH_CFG,
+	P54_CONTROL_TYPE_CCE_QUIET,
+	P54_CONTROL_TYPE_PSM_STA_UNLOCK,
 };
 
 struct p54_control_hdr {
@@ -38,11 +49,15 @@ struct p54_control_hdr {
 	u8 data[0];
 } __attribute__ ((packed));
 
-#define EEPROM_READBACK_LEN (sizeof(struct p54_control_hdr) + 4 /* p54_eeprom_lm86 */)
-#define MAX_RX_SIZE (IEEE80211_MAX_RTS_THRESHOLD + sizeof(struct p54_control_hdr) + 20 /* length of struct p54_rx_hdr */ + 16 )
+#define EEPROM_READBACK_LEN 0x3fc
 
 #define ISL38XX_DEV_FIRMWARE_ADDR 0x20000
 
+#define FW_FMAC 0x464d4143
+#define FW_LM86 0x4c4d3836
+#define FW_LM87 0x4c4d3837
+#define FW_LM20 0x4c4d3230
+
 struct p54_common {
 	u32 rx_start;
 	u32 rx_end;
@@ -53,27 +68,43 @@ struct p54_common {
 	void (*stop)(struct ieee80211_hw *dev);
 	int mode;
 	u16 seqno;
+	u16 rx_mtu;
+	u8 headroom;
+	u8 tailroom;
 	struct mutex conf_mutex;
 	u8 mac_addr[ETH_ALEN];
 	u8 bssid[ETH_ALEN];
+	__le16 filter_type;
 	struct pda_iq_autocal_entry *iq_autocal;
 	unsigned int iq_autocal_len;
 	struct pda_channel_output_limit *output_limit;
 	unsigned int output_limit_len;
 	struct pda_pa_curve_data *curve_data;
-	__le16 rxhw;
+	unsigned int filter_flags;
+	u16 rxhw;
 	u8 version;
+	u8 rx_antenna;
 	unsigned int tx_hdr_len;
 	void *cached_vdcf;
 	unsigned int fw_var;
-	struct ieee80211_tx_queue_stats tx_stats[4];
+	unsigned int fw_interface;
+	unsigned int output_power;
+	u32 tsf_low32;
+	u32 tsf_high32;
+	struct ieee80211_tx_queue_stats tx_stats[8];
+	struct ieee80211_low_level_stats stats;
+	struct timer_list stats_timer;
+	struct completion stats_comp;
+	void *cached_stats;
+	int noise;
+	void *eeprom;
+	struct completion eeprom_comp;
 };
 
 int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb);
-void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);
-int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len);
-void p54_fill_eeprom_readback(struct p54_control_hdr *hdr);
+int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw);
+int p54_read_eeprom(struct ieee80211_hw *dev);
 struct ieee80211_hw *p54_init_common(size_t priv_data_len);
 void p54_free_common(struct ieee80211_hw *dev);
 
-#endif /* PRISM54_H */
+#endif /* P54_H */
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 29be3dc8ee0..1994aa199d3 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -27,7 +27,7 @@ MODULE_DESCRIPTION("Softmac Prism54 common code");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("prism54common");
 
-static struct ieee80211_rate p54_rates[] = {
+static struct ieee80211_rate p54_bgrates[] = {
 	{ .bitrate = 10, .hw_value = 0, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
 	{ .bitrate = 20, .hw_value = 1, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
 	{ .bitrate = 55, .hw_value = 2, .flags = IEEE80211_RATE_SHORT_PREAMBLE },
@@ -42,7 +42,7 @@ static struct ieee80211_rate p54_rates[] = {
 	{ .bitrate = 540, .hw_value = 11, },
 };
 
-static struct ieee80211_channel p54_channels[] = {
+static struct ieee80211_channel p54_bgchannels[] = {
 	{ .center_freq = 2412, .hw_value = 1, },
 	{ .center_freq = 2417, .hw_value = 2, },
 	{ .center_freq = 2422, .hw_value = 3, },
@@ -60,14 +60,69 @@ static struct ieee80211_channel p54_channels[] = {
 };
 
 static struct ieee80211_supported_band band_2GHz = {
-	.channels = p54_channels,
-	.n_channels = ARRAY_SIZE(p54_channels),
-	.bitrates = p54_rates,
-	.n_bitrates = ARRAY_SIZE(p54_rates),
+	.channels = p54_bgchannels,
+	.n_channels = ARRAY_SIZE(p54_bgchannels),
+	.bitrates = p54_bgrates,
+	.n_bitrates = ARRAY_SIZE(p54_bgrates),
 };
 
+static struct ieee80211_rate p54_arates[] = {
+	{ .bitrate = 60, .hw_value = 4, },
+	{ .bitrate = 90, .hw_value = 5, },
+	{ .bitrate = 120, .hw_value = 6, },
+	{ .bitrate = 180, .hw_value = 7, },
+	{ .bitrate = 240, .hw_value = 8, },
+	{ .bitrate = 360, .hw_value = 9, },
+	{ .bitrate = 480, .hw_value = 10, },
+	{ .bitrate = 540, .hw_value = 11, },
+};
+
+static struct ieee80211_channel p54_achannels[] = {
+	{ .center_freq = 4920 },
+	{ .center_freq = 4940 },
+	{ .center_freq = 4960 },
+	{ .center_freq = 4980 },
+	{ .center_freq = 5040 },
+	{ .center_freq = 5060 },
+	{ .center_freq = 5080 },
+	{ .center_freq = 5170 },
+	{ .center_freq = 5180 },
+	{ .center_freq = 5190 },
+	{ .center_freq = 5200 },
+	{ .center_freq = 5210 },
+	{ .center_freq = 5220 },
+	{ .center_freq = 5230 },
+	{ .center_freq = 5240 },
+	{ .center_freq = 5260 },
+	{ .center_freq = 5280 },
+	{ .center_freq = 5300 },
+	{ .center_freq = 5320 },
+	{ .center_freq = 5500 },
+	{ .center_freq = 5520 },
+	{ .center_freq = 5540 },
+	{ .center_freq = 5560 },
+	{ .center_freq = 5580 },
+	{ .center_freq = 5600 },
+	{ .center_freq = 5620 },
+	{ .center_freq = 5640 },
+	{ .center_freq = 5660 },
+	{ .center_freq = 5680 },
+	{ .center_freq = 5700 },
+	{ .center_freq = 5745 },
+	{ .center_freq = 5765 },
+	{ .center_freq = 5785 },
+	{ .center_freq = 5805 },
+	{ .center_freq = 5825 },
+};
+
+static struct ieee80211_supported_band band_5GHz = {
+	.channels = p54_achannels,
+	.n_channels = ARRAY_SIZE(p54_achannels),
+	.bitrates = p54_arates,
+	.n_bitrates = ARRAY_SIZE(p54_arates),
+};
 
-void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
+int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
 {
 	struct p54_common *priv = dev->priv;
 	struct bootrec_exp_if *exp_if;
@@ -79,7 +134,7 @@ void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
 	int i;
 
 	if (priv->rx_start)
-		return;
+		return 0;
 
 	while (data < end_data && *data)
 		data++;
@@ -94,7 +149,9 @@ void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
 		u32 code = le32_to_cpu(bootrec->code);
 		switch (code) {
 		case BR_CODE_COMPONENT_ID:
-			switch (be32_to_cpu(*(__be32 *)bootrec->data)) {
+			priv->fw_interface = be32_to_cpup((__be32 *)
+					     bootrec->data);
+			switch (priv->fw_interface) {
 			case FW_FMAC:
 				printk(KERN_INFO "p54: FreeMAC firmware\n");
 				break;
@@ -105,7 +162,7 @@ void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
 				printk(KERN_INFO "p54: LM86 firmware\n");
 				break;
 			case FW_LM87:
-				printk(KERN_INFO "p54: LM87 firmware - not supported yet!\n");
+				printk(KERN_INFO "p54: LM87 firmware\n");
 				break;
 			default:
 				printk(KERN_INFO "p54: unknown firmware\n");
@@ -117,11 +174,21 @@ void p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
 			if (strnlen((unsigned char*)bootrec->data, 24) < 24)
 				fw_version = (unsigned char*)bootrec->data;
 			break;
-		case BR_CODE_DESCR:
-			priv->rx_start = le32_to_cpu(((__le32 *)bootrec->data)[1]);
+		case BR_CODE_DESCR: {
+			struct bootrec_desc *desc =
+				(struct bootrec_desc *)bootrec->data;
+			priv->rx_start = le32_to_cpu(desc->rx_start);
 			/* FIXME add sanity checking */
-			priv->rx_end = le32_to_cpu(((__le32 *)bootrec->data)[2]) - 0x3500;
+			priv->rx_end = le32_to_cpu(desc->rx_end) - 0x3500;
+			priv->headroom = desc->headroom;
+			priv->tailroom = desc->tailroom;
+			if (le32_to_cpu(bootrec->len) == 11)
+				priv->rx_mtu = le16_to_cpu(bootrec->rx_mtu);
+			else
+				priv->rx_mtu = (size_t)
+					0x620 - priv->tx_hdr_len;
 			break;
+			}
 		case BR_CODE_EXPOSED_IF:
 			exp_if = (struct bootrec_exp_if *) bootrec->data;
 			for (i = 0; i < (len * sizeof(*exp_if) / 4); i++)
@@ -146,23 +213,25 @@ 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;
 	}
+
+	return 0;
 }
 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;
@@ -180,28 +249,68 @@ 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;
 }
 
-int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
+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;
+}
+
+static const char *p54_rf_chips[] = { "NULL", "Indigo?", "Duette",
+                              "Frisbee", "Xbow", "Longbow" };
+static int p54_init_xbow_synth(struct ieee80211_hw *dev);
+
+static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 {
 	struct p54_common *priv = dev->priv;
 	struct eeprom_pda_wrap *wrap = NULL;
@@ -210,6 +319,7 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 	void *tmp;
 	int err;
 	u8 *end = (u8 *)eeprom + len;
+	DECLARE_MAC_BUF(mac);
 
 	wrap = (struct eeprom_pda_wrap *) eeprom;
 	entry = (void *)wrap->data + le16_to_cpu(wrap->len);
@@ -250,27 +360,32 @@ 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) {
@@ -286,7 +401,7 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 			while ((u8 *)tmp < entry->data + data_len) {
 				struct bootrec_exp_if *exp_if = tmp;
 				if (le16_to_cpu(exp_if->if_id) == 0xF)
-					priv->rxhw = exp_if->variant & cpu_to_le16(0x07);
+					priv->rxhw = le16_to_cpu(exp_if->variant) & 0x07;
 				tmp += sizeof(struct bootrec_exp_if);
 			}
 			break;
@@ -312,6 +427,37 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 		goto err;
 	}
 
+	switch (priv->rxhw) {
+	case 4: /* XBow */
+		p54_init_xbow_synth(dev);
+	case 1: /* Indigo? */
+	case 2: /* Duette */
+		dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz;
+	case 3: /* Frisbee */
+	case 5: /* Longbow */
+		dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz;
+		break;
+	default:
+		printk(KERN_ERR "%s: unsupported RF-Chip\n",
+			wiphy_name(dev->wiphy));
+		err = -EINVAL;
+		goto err;
+	}
+
+	if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
+		u8 perm_addr[ETH_ALEN];
+
+		printk(KERN_WARNING "%s: Invalid hwaddr! Using randomly generated MAC addr\n",
+			wiphy_name(dev->wiphy));
+		random_ether_addr(perm_addr);
+		SET_IEEE80211_PERM_ADDR(dev, perm_addr);
+	}
+
+	printk(KERN_INFO "%s: hwaddr %s, MAC:isl38%02x RF:%s\n",
+		wiphy_name(dev->wiphy),
+		print_mac(mac, dev->wiphy->perm_addr),
+		priv->version, p54_rf_chips[priv->rxhw]);
+
 	return 0;
 
   err:
@@ -335,40 +481,55 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
 }
 EXPORT_SYMBOL_GPL(p54_parse_eeprom);
 
-void p54_fill_eeprom_readback(struct p54_control_hdr *hdr)
+static int p54_rssi_to_dbm(struct ieee80211_hw *dev, int rssi)
 {
-	struct p54_eeprom_lm86 *eeprom_hdr;
-
-	hdr->magic1 = cpu_to_le16(0x8000);
-	hdr->len = cpu_to_le16(sizeof(*eeprom_hdr) + 0x2000);
-	hdr->type = cpu_to_le16(P54_CONTROL_TYPE_EEPROM_READBACK);
-	hdr->retry1 = hdr->retry2 = 0;
-	eeprom_hdr = (struct p54_eeprom_lm86 *) hdr->data;
-	eeprom_hdr->offset = 0x0;
-	eeprom_hdr->len = cpu_to_le16(0x2000);
+	/* TODO: get the rssi_add & rssi_mul data from the eeprom */
+	return ((rssi * 0x83) / 64 - 400) / 4;
 }
-EXPORT_SYMBOL_GPL(p54_fill_eeprom_readback);
 
-static void p54_rx_data(struct ieee80211_hw *dev, struct sk_buff *skb)
+static int p54_rx_data(struct ieee80211_hw *dev, struct sk_buff *skb)
 {
+	struct p54_common *priv = dev->priv;
 	struct p54_rx_hdr *hdr = (struct p54_rx_hdr *) skb->data;
 	struct ieee80211_rx_status rx_status = {0};
 	u16 freq = le16_to_cpu(hdr->freq);
+	size_t header_len = sizeof(*hdr);
+	u32 tsf32;
+
+	if (!(hdr->magic & cpu_to_le16(0x0001))) {
+		if (priv->filter_flags & FIF_FCSFAIL)
+			rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
+		else
+			return 0;
+	}
 
-	rx_status.signal = hdr->rssi;
+	rx_status.signal = p54_rssi_to_dbm(dev, hdr->rssi);
+	rx_status.noise = priv->noise;
 	/* XX correct? */
 	rx_status.qual = (100 * hdr->rssi) / 127;
-	rx_status.rate_idx = hdr->rate & 0xf;
+	rx_status.rate_idx = (dev->conf.channel->band == IEEE80211_BAND_2GHZ ?
+			hdr->rate : (hdr->rate - 4)) & 0xf;
 	rx_status.freq = freq;
-	rx_status.band = IEEE80211_BAND_2GHZ;
+	rx_status.band =  dev->conf.channel->band;
 	rx_status.antenna = hdr->antenna;
-	rx_status.mactime = le64_to_cpu(hdr->timestamp);
+
+	tsf32 = le32_to_cpu(hdr->tsf32);
+	if (tsf32 < priv->tsf_low32)
+		priv->tsf_high32++;
+	rx_status.mactime = ((u64)priv->tsf_high32) << 32 | tsf32;
+	priv->tsf_low32 = tsf32;
+
 	rx_status.flag |= RX_FLAG_TSFT;
 
-	skb_pull(skb, sizeof(*hdr));
+	if (hdr->magic & cpu_to_le16(0x4000))
+		header_len += hdr->align[0];
+
+	skb_pull(skb, header_len);
 	skb_trim(skb, le16_to_cpu(hdr->len));
 
 	ieee80211_rx_irqsafe(dev, skb, &rx_status);
+
+	return -1;
 }
 
 static void inline p54_wake_free_queues(struct ieee80211_hw *dev)
@@ -377,7 +538,7 @@ 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);
 }
 
@@ -387,11 +548,13 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
 	struct p54_control_hdr *hdr = (struct p54_control_hdr *) skb->data;
 	struct p54_frame_sent_hdr *payload = (struct p54_frame_sent_hdr *) hdr->data;
 	struct sk_buff *entry = (struct sk_buff *) priv->tx_queue.next;
-	u32 addr = le32_to_cpu(hdr->req_id) - 0x70;
+	u32 addr = le32_to_cpu(hdr->req_id) - priv->headroom;
 	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 +575,15 @@ 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;
@@ -426,21 +591,60 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb)
 					info->status.excessive_retries = 1;
 			}
 			info->status.retry_count = payload->retries - 1;
-			info->status.ack_signal = le16_to_cpu(payload->ack_rssi);
+			info->status.ack_signal = p54_rssi_to_dbm(dev,
+					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);
 }
 
-static void p54_rx_control(struct ieee80211_hw *dev, struct sk_buff *skb)
+static void p54_rx_eeprom_readback(struct ieee80211_hw *dev,
+				   struct sk_buff *skb)
+{
+	struct p54_control_hdr *hdr = (struct p54_control_hdr *) skb->data;
+	struct p54_eeprom_lm86 *eeprom = (struct p54_eeprom_lm86 *) hdr->data;
+	struct p54_common *priv = dev->priv;
+
+	if (!priv->eeprom)
+		return ;
+
+	memcpy(priv->eeprom, eeprom->data, le16_to_cpu(eeprom->len));
+
+	complete(&priv->eeprom_comp);
+}
+
+static void p54_rx_stats(struct ieee80211_hw *dev, struct sk_buff *skb)
+{
+	struct p54_common *priv = dev->priv;
+	struct p54_control_hdr *hdr = (struct p54_control_hdr *) skb->data;
+	struct p54_statistics *stats = (struct p54_statistics *) hdr->data;
+	u32 tsf32 = le32_to_cpu(stats->tsf32);
+
+	if (tsf32 < priv->tsf_low32)
+		priv->tsf_high32++;
+	priv->tsf_low32 = tsf32;
+
+	priv->stats.dot11RTSFailureCount = le32_to_cpu(stats->rts_fail);
+	priv->stats.dot11RTSSuccessCount = le32_to_cpu(stats->rts_success);
+	priv->stats.dot11FCSErrorCount = le32_to_cpu(stats->rx_bad_fcs);
+
+	priv->noise = p54_rssi_to_dbm(dev, le32_to_cpu(stats->noise));
+	complete(&priv->stats_comp);
+
+	mod_timer(&priv->stats_timer, jiffies + 5 * HZ);
+}
+
+static int p54_rx_control(struct ieee80211_hw *dev, struct sk_buff *skb)
 {
 	struct p54_control_hdr *hdr = (struct p54_control_hdr *) skb->data;
 
@@ -450,36 +654,30 @@ static void p54_rx_control(struct ieee80211_hw *dev, struct sk_buff *skb)
 		break;
 	case P54_CONTROL_TYPE_BBP:
 		break;
+	case P54_CONTROL_TYPE_STAT_READBACK:
+		p54_rx_stats(dev, skb);
+		break;
+	case P54_CONTROL_TYPE_EEPROM_READBACK:
+		p54_rx_eeprom_readback(dev, skb);
+		break;
 	default:
 		printk(KERN_DEBUG "%s: not handling 0x%02x type control frame\n",
 		       wiphy_name(dev->wiphy), le16_to_cpu(hdr->type));
 		break;
 	}
+
+	return 0;
 }
 
 /* returns zero if skb can be reused */
 int p54_rx(struct ieee80211_hw *dev, struct sk_buff *skb)
 {
 	u8 type = le16_to_cpu(*((__le16 *)skb->data)) >> 8;
-	switch (type) {
-	case 0x00:
-	case 0x01:
-		p54_rx_data(dev, skb);
-		return -1;
-	case 0x4d:
-		/* TODO: do something better... but then again, I've never seen this happen */
-		printk(KERN_ERR "%s: Received fault. Probably need to restart hardware now..\n",
-		       wiphy_name(dev->wiphy));
-		break;
-	case 0x80:
-		p54_rx_control(dev, skb);
-		break;
-	default:
-		printk(KERN_ERR "%s: unknown frame RXed (0x%02x)\n",
-		       wiphy_name(dev->wiphy), type);
-		break;
-	}
-	return 0;
+
+	if (type == 0x80)
+		return p54_rx_control(dev, skb);
+	else
+		return p54_rx_data(dev, skb);
 }
 EXPORT_SYMBOL_GPL(p54_rx);
 
@@ -503,7 +701,7 @@ static void p54_assign_address(struct ieee80211_hw *dev, struct sk_buff *skb,
 	u32 target_addr = priv->rx_start;
 	unsigned long flags;
 	unsigned int left;
-	len = (len + 0x170 + 3) & ~0x3; /* 0x70 headroom, 0x100 tailroom */
+	len = (len + priv->headroom + priv->tailroom + 3) & ~0x3;
 
 	spin_lock_irqsave(&priv->tx_queue.lock, flags);
 	left = skb_queue_len(&priv->tx_queue);
@@ -538,14 +736,74 @@ static void p54_assign_address(struct ieee80211_hw *dev, struct sk_buff *skb,
 		range->start_addr = target_addr;
 		range->end_addr = target_addr + len;
 		__skb_queue_after(&priv->tx_queue, target_skb, skb);
-		if (largest_hole < IEEE80211_MAX_RTS_THRESHOLD + 0x170 +
+		if (largest_hole < priv->rx_mtu + priv->headroom +
+				   priv->tailroom +
 				   sizeof(struct p54_control_hdr))
 			ieee80211_stop_queues(dev);
 	}
 	spin_unlock_irqrestore(&priv->tx_queue.lock, flags);
 
-	data->req_id = cpu_to_le32(target_addr + 0x70);
+	data->req_id = cpu_to_le32(target_addr + priv->headroom);
+}
+
+int p54_read_eeprom(struct ieee80211_hw *dev)
+{
+	struct p54_common *priv = dev->priv;
+	struct p54_control_hdr *hdr = NULL;
+	struct p54_eeprom_lm86 *eeprom_hdr;
+	size_t eeprom_size = 0x2020, offset = 0, blocksize;
+	int ret = -ENOMEM;
+	void *eeprom = NULL;
+
+	hdr = (struct p54_control_hdr *)kzalloc(sizeof(*hdr) +
+		sizeof(*eeprom_hdr) + EEPROM_READBACK_LEN, GFP_KERNEL);
+	if (!hdr)
+		goto free;
+
+	priv->eeprom = kzalloc(EEPROM_READBACK_LEN, GFP_KERNEL);
+	if (!priv->eeprom)
+		goto free;
+
+	eeprom = kzalloc(eeprom_size, GFP_KERNEL);
+	if (!eeprom)
+		goto free;
+
+	hdr->magic1 = cpu_to_le16(0x8000);
+	hdr->type = cpu_to_le16(P54_CONTROL_TYPE_EEPROM_READBACK);
+	hdr->retry1 = hdr->retry2 = 0;
+	eeprom_hdr = (struct p54_eeprom_lm86 *) hdr->data;
+
+	while (eeprom_size) {
+		blocksize = min(eeprom_size, (size_t)EEPROM_READBACK_LEN);
+		hdr->len = cpu_to_le16(blocksize + sizeof(*eeprom_hdr));
+		eeprom_hdr->offset = cpu_to_le16(offset);
+		eeprom_hdr->len = cpu_to_le16(blocksize);
+		p54_assign_address(dev, NULL, hdr, le16_to_cpu(hdr->len) +
+				   sizeof(*hdr));
+		priv->tx(dev, hdr, le16_to_cpu(hdr->len) + sizeof(*hdr), 0);
+
+		if (!wait_for_completion_interruptible_timeout(&priv->eeprom_comp, HZ)) {
+			printk(KERN_ERR "%s: device does not respond!\n",
+				wiphy_name(dev->wiphy));
+			ret = -EBUSY;
+			goto free;
+	        }
+
+		memcpy(eeprom + offset, priv->eeprom, blocksize);
+		offset += blocksize;
+		eeprom_size -= blocksize;
+	}
+
+	ret = p54_parse_eeprom(dev, eeprom, offset);
+free:
+	kfree(priv->eeprom);
+	priv->eeprom = NULL;
+	kfree(hdr);
+	kfree(eeprom);
+
+	return ret;
 }
+EXPORT_SYMBOL_GPL(p54_read_eeprom);
 
 static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
 {
@@ -559,7 +817,7 @@ 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++;
@@ -601,7 +859,7 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
 	txhdr->hw_queue = skb_get_queue_mapping(skb) + 4;
 	txhdr->tx_antenna = (info->antenna_sel_tx == 0) ?
 		2 : info->antenna_sel_tx - 1;
-	txhdr->output_power = 0x7f; // HW Maximum
+	txhdr->output_power = priv->output_power;
 	txhdr->cts_rate = (info->flags & IEEE80211_TX_CTL_NO_ACK) ?
 			  0 : cts_rate;
 	if (padding)
@@ -628,12 +886,12 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb)
 }
 
 static int p54_set_filter(struct ieee80211_hw *dev, u16 filter_type,
-			  const u8 *dst, const u8 *src, u8 antenna,
-			  u32 magic3, u32 magic8, u32 magic9)
+			  const u8 *bssid)
 {
 	struct p54_common *priv = dev->priv;
 	struct p54_control_hdr *hdr;
 	struct p54_tx_control_filter *filter;
+	size_t data_len;
 
 	hdr = kzalloc(sizeof(*hdr) + sizeof(*filter) +
 		      priv->tx_hdr_len, GFP_ATOMIC);
@@ -644,25 +902,35 @@ static int p54_set_filter(struct ieee80211_hw *dev, u16 filter_type,
 
 	filter = (struct p54_tx_control_filter *) hdr->data;
 	hdr->magic1 = cpu_to_le16(0x8001);
-	hdr->len = cpu_to_le16(sizeof(*filter));
-	p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*filter));
 	hdr->type = cpu_to_le16(P54_CONTROL_TYPE_FILTER_SET);
 
-	filter->filter_type = cpu_to_le16(filter_type);
-	memcpy(filter->dst, dst, ETH_ALEN);
-	if (!src)
-		memset(filter->src, ~0, ETH_ALEN);
+	priv->filter_type = filter->filter_type = cpu_to_le16(filter_type);
+	memcpy(filter->mac_addr, priv->mac_addr, ETH_ALEN);
+	if (!bssid)
+		memset(filter->bssid, ~0, ETH_ALEN);
 	else
-		memcpy(filter->src, src, ETH_ALEN);
-	filter->antenna = antenna;
-	filter->magic3 = cpu_to_le32(magic3);
-	filter->rx_addr = cpu_to_le32(priv->rx_end);
-	filter->max_rx = cpu_to_le16(0x0620);	/* FIXME: for usb ver 1.. maybe */
-	filter->rxhw = priv->rxhw;
-	filter->magic8 = cpu_to_le16(magic8);
-	filter->magic9 = cpu_to_le16(magic9);
-
-	priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*filter), 1);
+		memcpy(filter->bssid, bssid, ETH_ALEN);
+
+	filter->rx_antenna = priv->rx_antenna;
+
+	if (priv->fw_var < 0x500) {
+		data_len = P54_TX_CONTROL_FILTER_V1_LEN;
+		filter->v1.basic_rate_mask = cpu_to_le32(0x15F);
+		filter->v1.rx_addr = cpu_to_le32(priv->rx_end);
+		filter->v1.max_rx = cpu_to_le16(priv->rx_mtu);
+		filter->v1.rxhw = cpu_to_le16(priv->rxhw);
+		filter->v1.wakeup_timer = cpu_to_le16(500);
+	} else {
+		data_len = P54_TX_CONTROL_FILTER_V2_LEN;
+		filter->v2.rx_addr = cpu_to_le32(priv->rx_end);
+		filter->v2.max_rx = cpu_to_le16(priv->rx_mtu);
+		filter->v2.rxhw = cpu_to_le16(priv->rxhw);
+		filter->v2.timer = cpu_to_le16(1000);
+	}
+
+	hdr->len = cpu_to_le16(data_len);
+	p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + data_len);
+	priv->tx(dev, hdr, sizeof(*hdr) + data_len, 1);
 	return 0;
 }
 
@@ -672,12 +940,10 @@ 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;
+	size_t data_len;
 	void *entry;
 
-	hdr = kzalloc(sizeof(*hdr) + payload_len +
+	hdr = kzalloc(sizeof(*hdr) + sizeof(*chan) +
 		      priv->tx_hdr_len, GFP_KERNEL);
 	if (!hdr)
 		return -ENOMEM;
@@ -687,12 +953,11 @@ static int p54_set_freq(struct ieee80211_hw *dev, __le16 freq)
 	chan = (struct p54_tx_control_channel *) hdr->data;
 
 	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);
 
-	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 +975,51 @@ 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);
+	if (priv->fw_var < 0x500) {
+		data_len = P54_TX_CONTROL_CHANNEL_V1_LEN;
+		chan->v1.rssical_mul = cpu_to_le16(130);
+		chan->v1.rssical_add = cpu_to_le16(0xfe70);
+	} else {
+		data_len = P54_TX_CONTROL_CHANNEL_V2_LEN;
+		chan->v2.rssical_mul = cpu_to_le16(130);
+		chan->v2.rssical_add = cpu_to_le16(0xfe70);
+		chan->v2.basic_rate_mask = cpu_to_le32(0x15f);
+	}
 
-	priv->tx(dev, hdr, sizeof(*hdr) + payload_len, 1);
+	hdr->len = cpu_to_le16(data_len);
+	p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + data_len);
+	priv->tx(dev, hdr, sizeof(*hdr) + data_len, 1);
 	return 0;
 
  err:
@@ -846,12 +1127,25 @@ static int p54_start(struct ieee80211_hw *dev)
 			return -ENOMEM;
 	}
 
+	if (!priv->cached_stats) {
+		priv->cached_stats = kzalloc(sizeof(struct p54_statistics) +
+			priv->tx_hdr_len + sizeof(struct p54_control_hdr),
+			GFP_KERNEL);
+
+		if (!priv->cached_stats) {
+			kfree(priv->cached_vdcf);
+			priv->cached_vdcf = NULL;
+			return -ENOMEM;
+		}
+	}
+
 	err = priv->open(dev);
 	if (!err)
-		priv->mode = IEEE80211_IF_TYPE_MNTR;
+		priv->mode = NL80211_IFTYPE_MONITOR;
 
 	p54_init_vdcf(dev);
 
+	mod_timer(&priv->stats_timer, jiffies + HZ);
 	return err;
 }
 
@@ -859,10 +1153,13 @@ static void p54_stop(struct ieee80211_hw *dev)
 {
 	struct p54_common *priv = dev->priv;
 	struct sk_buff *skb;
+
+	del_timer(&priv->stats_timer);
 	while ((skb = skb_dequeue(&priv->tx_queue)))
 		kfree_skb(skb);
 	priv->stop(dev);
-	priv->mode = IEEE80211_IF_TYPE_INVALID;
+	priv->tsf_high32 = priv->tsf_low32 = 0;
+	priv->mode = NL80211_IFTYPE_UNSPECIFIED;
 }
 
 static int p54_add_interface(struct ieee80211_hw *dev,
@@ -870,11 +1167,11 @@ static int p54_add_interface(struct ieee80211_hw *dev,
 {
 	struct p54_common *priv = dev->priv;
 
-	if (priv->mode != IEEE80211_IF_TYPE_MNTR)
+	if (priv->mode != NL80211_IFTYPE_MONITOR)
 		return -EOPNOTSUPP;
 
 	switch (conf->type) {
-	case IEEE80211_IF_TYPE_STA:
+	case NL80211_IFTYPE_STATION:
 		priv->mode = conf->type;
 		break;
 	default:
@@ -883,12 +1180,11 @@ static int p54_add_interface(struct ieee80211_hw *dev,
 
 	memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
 
-	p54_set_filter(dev, 0, priv->mac_addr, NULL, 0, 1, 0, 0xF642);
-	p54_set_filter(dev, 0, priv->mac_addr, NULL, 1, 0, 0, 0xF642);
+	p54_set_filter(dev, 0, NULL);
 
 	switch (conf->type) {
-	case IEEE80211_IF_TYPE_STA:
-		p54_set_filter(dev, 1, priv->mac_addr, NULL, 0, 0x15F, 0x1F4, 0);
+	case NL80211_IFTYPE_STATION:
+		p54_set_filter(dev, 1, NULL);
 		break;
 	default:
 		BUG();	/* impossible */
@@ -904,9 +1200,9 @@ static void p54_remove_interface(struct ieee80211_hw *dev,
 				 struct ieee80211_if_init_conf *conf)
 {
 	struct p54_common *priv = dev->priv;
-	priv->mode = IEEE80211_IF_TYPE_MNTR;
+	priv->mode = NL80211_IFTYPE_MONITOR;
 	memset(priv->mac_addr, 0, ETH_ALEN);
-	p54_set_filter(dev, 0, priv->mac_addr, NULL, 2, 0, 0, 0);
+	p54_set_filter(dev, 0, NULL);
 }
 
 static int p54_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
@@ -915,6 +1211,9 @@ static int p54_config(struct ieee80211_hw *dev, struct ieee80211_conf *conf)
 	struct p54_common *priv = dev->priv;
 
 	mutex_lock(&priv->conf_mutex);
+	priv->rx_antenna = (conf->antenna_sel_rx == 0) ?
+		2 : conf->antenna_sel_tx - 1;
+	priv->output_power = conf->power_level << 2;
 	ret = p54_set_freq(dev, cpu_to_le16(conf->channel->center_freq));
 	p54_set_vdcf(dev);
 	mutex_unlock(&priv->conf_mutex);
@@ -928,8 +1227,7 @@ static int p54_config_interface(struct ieee80211_hw *dev,
 	struct p54_common *priv = dev->priv;
 
 	mutex_lock(&priv->conf_mutex);
-	p54_set_filter(dev, 0, priv->mac_addr, conf->bssid, 0, 1, 0, 0xF642);
-	p54_set_filter(dev, 0, priv->mac_addr, conf->bssid, 2, 0, 0, 0);
+	p54_set_filter(dev, 0, conf->bssid);
 	p54_set_leds(dev, 1, !is_multicast_ether_addr(conf->bssid), 0);
 	memcpy(priv->bssid, conf->bssid, ETH_ALEN);
 	mutex_unlock(&priv->conf_mutex);
@@ -943,15 +1241,28 @@ static void p54_configure_filter(struct ieee80211_hw *dev,
 {
 	struct p54_common *priv = dev->priv;
 
-	*total_flags &= FIF_BCN_PRBRESP_PROMISC;
+	*total_flags &= FIF_BCN_PRBRESP_PROMISC |
+			FIF_PROMISC_IN_BSS |
+			FIF_FCSFAIL;
+
+	priv->filter_flags = *total_flags;
 
 	if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
 		if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
-			p54_set_filter(dev, 0, priv->mac_addr,
-				       NULL, 2, 0, 0, 0);
+			p54_set_filter(dev, le16_to_cpu(priv->filter_type),
+				 NULL);
+		else
+			p54_set_filter(dev, le16_to_cpu(priv->filter_type),
+				 priv->bssid);
+	}
+
+	if (changed_flags & FIF_PROMISC_IN_BSS) {
+		if (*total_flags & FIF_PROMISC_IN_BSS)
+			p54_set_filter(dev, le16_to_cpu(priv->filter_type) |
+				0x8, NULL);
 		else
-			p54_set_filter(dev, 0, priv->mac_addr,
-				       priv->bssid, 2, 0, 0, 0);
+			p54_set_filter(dev, le16_to_cpu(priv->filter_type) &
+				~0x8, priv->bssid);
 	}
 }
 
@@ -975,10 +1286,67 @@ static int p54_conf_tx(struct ieee80211_hw *dev, u16 queue,
 	return 0;
 }
 
+static int p54_init_xbow_synth(struct ieee80211_hw *dev)
+{
+	struct p54_common *priv = dev->priv;
+	struct p54_control_hdr *hdr;
+	struct p54_tx_control_xbow_synth *xbow;
+
+	hdr = kzalloc(sizeof(*hdr) + sizeof(*xbow) +
+		      priv->tx_hdr_len, GFP_KERNEL);
+	if (!hdr)
+		return -ENOMEM;
+
+	hdr = (void *)hdr + priv->tx_hdr_len;
+	hdr->magic1 = cpu_to_le16(0x8001);
+	hdr->len = cpu_to_le16(sizeof(*xbow));
+	hdr->type = cpu_to_le16(P54_CONTROL_TYPE_XBOW_SYNTH_CFG);
+	p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*xbow));
+
+	xbow = (struct p54_tx_control_xbow_synth *) hdr->data;
+	xbow->magic1 = cpu_to_le16(0x1);
+	xbow->magic2 = cpu_to_le16(0x2);
+	xbow->freq = cpu_to_le16(5390);
+
+	priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*xbow), 1);
+
+	return 0;
+}
+
+static void p54_statistics_timer(unsigned long data)
+{
+	struct ieee80211_hw *dev = (struct ieee80211_hw *) data;
+	struct p54_common *priv = dev->priv;
+	struct p54_control_hdr *hdr;
+	struct p54_statistics *stats;
+
+	BUG_ON(!priv->cached_stats);
+
+	hdr = (void *)priv->cached_stats + priv->tx_hdr_len;
+	hdr->magic1 = cpu_to_le16(0x8000);
+	hdr->len = cpu_to_le16(sizeof(*stats));
+	hdr->type = cpu_to_le16(P54_CONTROL_TYPE_STAT_READBACK);
+	p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*stats));
+
+	priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*stats), 0);
+}
+
 static int p54_get_stats(struct ieee80211_hw *dev,
 			 struct ieee80211_low_level_stats *stats)
 {
-	/* TODO */
+	struct p54_common *priv = dev->priv;
+
+	del_timer(&priv->stats_timer);
+	p54_statistics_timer((unsigned long)dev);
+
+	if (!wait_for_completion_interruptible_timeout(&priv->stats_comp, HZ)) {
+		printk(KERN_ERR "%s: device does not respond!\n",
+			wiphy_name(dev->wiphy));
+		return -EBUSY;
+	}
+
+	memcpy(stats, &priv->stats, sizeof(*stats));
+
 	return 0;
 }
 
@@ -987,7 +1355,7 @@ 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;
 }
@@ -1016,22 +1384,32 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len)
 		return NULL;
 
 	priv = dev->priv;
-	priv->mode = IEEE80211_IF_TYPE_INVALID;
+	priv->mode = NL80211_IFTYPE_UNSPECIFIED;
 	skb_queue_head_init(&priv->tx_queue);
-	dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz;
 	dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | /* not sure */
 		     IEEE80211_HW_RX_INCLUDES_FCS |
-		     IEEE80211_HW_SIGNAL_UNSPEC;
+		     IEEE80211_HW_SIGNAL_DBM |
+		     IEEE80211_HW_NOISE_DBM;
+
+	dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+
 	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;
-
+	priv->noise = -94;
 	dev->extra_tx_headroom = sizeof(struct p54_control_hdr) + 4 +
 				 sizeof(struct p54_tx_control_allocdata);
 
 	mutex_init(&priv->conf_mutex);
+	init_completion(&priv->eeprom_comp);
+	init_completion(&priv->stats_comp);
+	setup_timer(&priv->stats_timer, p54_statistics_timer,
+		(unsigned long)dev);
 
 	return dev;
 }
@@ -1040,6 +1418,7 @@ EXPORT_SYMBOL_GPL(p54_init_common);
 void p54_free_common(struct ieee80211_hw *dev)
 {
 	struct p54_common *priv = dev->priv;
+	kfree(priv->cached_stats);
 	kfree(priv->iq_autocal);
 	kfree(priv->output_limit);
 	kfree(priv->curve_data);
diff --git a/drivers/net/wireless/p54/p54common.h b/drivers/net/wireless/p54/p54common.h
index 8db6c0e8e54..2fa994cfcfe 100644
--- a/drivers/net/wireless/p54/p54common.h
+++ b/drivers/net/wireless/p54/p54common.h
@@ -1,5 +1,5 @@
-#ifndef PRISM54COMMON_H
-#define PRISM54COMMON_H
+#ifndef P54COMMON_H
+#define P54COMMON_H
 
 /*
  * Common code specific definitions for mac80211 Prism54 drivers
@@ -18,7 +18,8 @@
 struct bootrec {
 	__le32 code;
 	__le32 len;
-	u32 data[0];
+	u32 data[10];
+	__le16 rx_mtu;
 } __attribute__((packed));
 
 struct bootrec_exp_if {
@@ -29,6 +30,17 @@ struct bootrec_exp_if {
 	__le16 top_compat;
 } __attribute__((packed));
 
+struct bootrec_desc {
+	__le16 modes;
+	__le16 flags;
+	__le32 rx_start;
+	__le32 rx_end;
+	u8 headroom;
+	u8 tailroom;
+	u8 unimportant[6];
+	u8 rates[16];
+} __attribute__((packed));
+
 #define BR_CODE_MIN			0x80000000
 #define BR_CODE_COMPONENT_ID		0x80000001
 #define BR_CODE_COMPONENT_VERSION	0x80000002
@@ -39,11 +51,6 @@ struct bootrec_exp_if {
 #define BR_CODE_END_OF_BRA		0xFF0000FF
 #define LEGACY_BR_CODE_END_OF_BRA	0xFFFFFFFF
 
-#define FW_FMAC 0x464d4143
-#define FW_LM86 0x4c4d3836
-#define FW_LM87 0x4c4d3837
-#define FW_LM20 0x4c4d3230
-
 /* PDA defines are Copyright (C) 2005 Nokia Corporation (taken from islsm_pda.h) */
 
 struct pda_entry {
@@ -89,6 +96,16 @@ struct pda_pa_curve_data_sample_rev1 {
 	u8 data_qpsk;
 	u8 data_16qam;
 	u8 data_64qam;
+} __attribute__ ((packed));
+
+struct p54_pa_curve_data_sample {
+	u8 rf_power;
+	u8 pa_detector;
+	u8 data_barker;
+	u8 data_bpsk;
+	u8 data_qpsk;
+	u8 data_16qam;
+	u8 data_64qam;
 	u8 padding;
 } __attribute__ ((packed));
 
@@ -169,8 +186,9 @@ struct p54_rx_hdr {
 	u8 rssi;
 	u8 quality;
 	u16 unknown2;
-	__le64 timestamp;
-	u8 data[0];
+	__le32 tsf32;
+	__le32 unalloc0;
+	u8 align[0];
 } __attribute__ ((packed));
 
 struct p54_frame_sent_hdr {
@@ -198,22 +216,37 @@ struct p54_tx_control_allocdata {
 
 struct p54_tx_control_filter {
 	__le16 filter_type;
-	u8 dst[ETH_ALEN];
-	u8 src[ETH_ALEN];
-	u8 antenna;
-	u8 debug;
-	__le32 magic3;
-	u8 rates[8];	// FIXME: what's this for?
-	__le32 rx_addr;
-	__le16 max_rx;
-	__le16 rxhw;
-	__le16 magic8;
-	__le16 magic9;
+	u8 mac_addr[ETH_ALEN];
+	u8 bssid[ETH_ALEN];
+	u8 rx_antenna;
+	u8 rx_align;
+	union {
+		struct {
+			__le32 basic_rate_mask;
+			u8 rts_rates[8];
+			__le32 rx_addr;
+			__le16 max_rx;
+			__le16 rxhw;
+			__le16 wakeup_timer;
+			__le16 unalloc0;
+		} v1 __attribute__ ((packed));
+		struct {
+			__le32 rx_addr;
+			__le16 max_rx;
+			__le16 rxhw;
+			__le16 timer;
+			__le16 unalloc0;
+			__le32 unalloc1;
+		} v2 __attribute__ ((packed));
+	} __attribute__ ((packed));
 } __attribute__ ((packed));
 
+#define P54_TX_CONTROL_FILTER_V1_LEN (sizeof(struct p54_tx_control_filter))
+#define P54_TX_CONTROL_FILTER_V2_LEN (sizeof(struct p54_tx_control_filter)-8)
+
 struct p54_tx_control_channel {
-	__le16 magic1;
-	__le16 magic2;
+	__le16 flags;
+	__le16 dwell;
 	u8 padding1[20];
 	struct pda_iq_autocal_entry iq_autocal;
 	u8 pa_points_per_curve;
@@ -222,10 +255,29 @@ struct p54_tx_control_channel {
 	u8 val_qpsk;
 	u8 val_16qam;
 	u8 val_64qam;
-	struct pda_pa_curve_data_sample_rev1 curve_data[0];
-	/* additional padding/data after curve_data */
+	struct p54_pa_curve_data_sample curve_data[8];
+	u8 dup_bpsk;
+	u8 dup_qpsk;
+	u8 dup_16qam;
+	u8 dup_64qam;
+	union {
+		struct {
+			__le16 rssical_mul;
+			__le16 rssical_add;
+		} v1 __attribute__ ((packed));
+
+		struct {
+			__le32 basic_rate_mask;
+			 u8 rts_rates[8];
+			__le16 rssical_mul;
+			__le16 rssical_add;
+		} v2 __attribute__ ((packed));
+	} __attribute__ ((packed));
 } __attribute__ ((packed));
 
+#define P54_TX_CONTROL_CHANNEL_V1_LEN (sizeof(struct p54_tx_control_channel)-12)
+#define P54_TX_CONTROL_CHANNEL_V2_LEN (sizeof(struct p54_tx_control_channel))
+
 struct p54_tx_control_led {
 	__le16 mode;
 	__le16 led_temporary;
@@ -250,4 +302,24 @@ struct p54_tx_control_vdcf {
 	__le16 frameburst;
 } __attribute__ ((packed));
 
-#endif /* PRISM54COMMON_H */
+struct p54_statistics {
+	__le32 rx_success;
+	__le32 rx_bad_fcs;
+	__le32 rx_abort;
+	__le32 rx_abort_phy;
+	__le32 rts_success;
+	__le32 rts_fail;
+	__le32 tsf32;
+	__le32 airtime;
+	__le32 noise;
+	__le32 unkn[10]; /* CCE / CCA / RADAR */
+} __attribute__ ((packed));
+
+struct p54_tx_control_xbow_synth {
+	__le16 magic1;
+	__le16 magic2;
+	__le16 freq;
+	u32 padding[5];
+} __attribute__ ((packed));
+
+#endif /* P54COMMON_H */
diff --git a/drivers/net/wireless/p54/p54pci.c b/drivers/net/wireless/p54/p54pci.c
index 7dd4add4bf4..1c2a02a741a 100644
--- a/drivers/net/wireless/p54/p54pci.c
+++ b/drivers/net/wireless/p54/p54pci.c
@@ -3,6 +3,7 @@
  * Linux device driver for PCI based Prism54
  *
  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
+ * Copyright (c) 2008, Christian Lamparter <chunkeey@web.de>
  *
  * Based on the islsm (softmac prism54) driver, which is:
  * Copyright 2004-2006 Jean-Baptiste Note <jean-baptiste.note@m4x.org>, et al.
@@ -71,16 +72,18 @@ static int p54p_upload_firmware(struct ieee80211_hw *dev)
 	P54P_WRITE(ctrl_stat, reg);
 	wmb();
 
-	mdelay(50);
-
 	err = request_firmware(&fw_entry, "isl3886", &priv->pdev->dev);
 	if (err) {
-		printk(KERN_ERR "%s (prism54pci): cannot find firmware "
+		printk(KERN_ERR "%s (p54pci): cannot find firmware "
 		       "(isl3886)\n", pci_name(priv->pdev));
 		return err;
 	}
 
-	p54_parse_firmware(dev, fw_entry);
+	err = p54_parse_firmware(dev, fw_entry);
+	if (err) {
+		release_firmware(fw_entry);
+		return err;
+	}
 
 	data = (__le32 *) fw_entry->data;
 	remains = fw_entry->size;
@@ -121,162 +124,147 @@ static int p54p_upload_firmware(struct ieee80211_hw *dev)
 	wmb();
 	udelay(10);
 
+	/* wait for the firmware to boot properly */
+	mdelay(100);
+
 	return 0;
 }
 
-static irqreturn_t p54p_simple_interrupt(int irq, void *dev_id)
+static void p54p_refill_rx_ring(struct ieee80211_hw *dev,
+	int ring_index, struct p54p_desc *ring, u32 ring_limit,
+	struct sk_buff **rx_buf)
 {
-	struct p54p_priv *priv = (struct p54p_priv *) dev_id;
-	__le32 reg;
-
-	reg = P54P_READ(int_ident);
-	P54P_WRITE(int_ack, reg);
+	struct p54p_priv *priv = dev->priv;
+	struct p54p_ring_control *ring_control = priv->ring_control;
+	u32 limit, idx, i;
 
-	if (reg & P54P_READ(int_enable))
-		complete(&priv->boot_comp);
+	idx = le32_to_cpu(ring_control->host_idx[ring_index]);
+	limit = idx;
+	limit -= le32_to_cpu(ring_control->device_idx[ring_index]);
+	limit = ring_limit - limit;
 
-	return IRQ_HANDLED;
-}
+	i = idx % ring_limit;
+	while (limit-- > 1) {
+		struct p54p_desc *desc = &ring[i];
 
-static int p54p_read_eeprom(struct ieee80211_hw *dev)
-{
-	struct p54p_priv *priv = dev->priv;
-	struct p54p_ring_control *ring_control = priv->ring_control;
-	int err;
-	struct p54_control_hdr *hdr;
-	void *eeprom;
-	dma_addr_t rx_mapping, tx_mapping;
-	u16 alen;
+		if (!desc->host_addr) {
+			struct sk_buff *skb;
+			dma_addr_t mapping;
+			skb = dev_alloc_skb(priv->common.rx_mtu + 32);
+			if (!skb)
+				break;
 
-	init_completion(&priv->boot_comp);
-	err = request_irq(priv->pdev->irq, &p54p_simple_interrupt,
-			  IRQF_SHARED, "prism54pci", priv);
-	if (err) {
-		printk(KERN_ERR "%s (prism54pci): failed to register IRQ handler\n",
-		       pci_name(priv->pdev));
-		return err;
-	}
+			mapping = pci_map_single(priv->pdev,
+						 skb_tail_pointer(skb),
+						 priv->common.rx_mtu + 32,
+						 PCI_DMA_FROMDEVICE);
+			desc->host_addr = cpu_to_le32(mapping);
+			desc->device_addr = 0;	// FIXME: necessary?
+			desc->len = cpu_to_le16(priv->common.rx_mtu + 32);
+			desc->flags = 0;
+			rx_buf[i] = skb;
+		}
 
-	eeprom = kmalloc(0x2010 + EEPROM_READBACK_LEN, GFP_KERNEL);
-	if (!eeprom) {
-		printk(KERN_ERR "%s (prism54pci): no memory for eeprom!\n",
-		       pci_name(priv->pdev));
-		err = -ENOMEM;
-		goto out;
+		i++;
+		idx++;
+		i %= ring_limit;
 	}
 
-	memset(ring_control, 0, sizeof(*ring_control));
-	P54P_WRITE(ring_control_base, cpu_to_le32(priv->ring_control_dma));
-	P54P_READ(ring_control_base);
-	udelay(10);
-
-	P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_INIT));
-	P54P_READ(int_enable);
-	udelay(10);
+	wmb();
+	ring_control->host_idx[ring_index] = cpu_to_le32(idx);
+}
 
-	P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET));
+static void p54p_check_rx_ring(struct ieee80211_hw *dev, u32 *index,
+	int ring_index, struct p54p_desc *ring, u32 ring_limit,
+	struct sk_buff **rx_buf)
+{
+	struct p54p_priv *priv = dev->priv;
+	struct p54p_ring_control *ring_control = priv->ring_control;
+	struct p54p_desc *desc;
+	u32 idx, i;
+
+	i = (*index) % ring_limit;
+	(*index) = idx = le32_to_cpu(ring_control->device_idx[ring_index]);
+	idx %= ring_limit;
+	while (i != idx) {
+		u16 len;
+		struct sk_buff *skb;
+		desc = &ring[i];
+		len = le16_to_cpu(desc->len);
+		skb = rx_buf[i];
+
+		if (!skb) {
+			i++;
+			i %= ring_limit;
+			continue;
+		}
+		skb_put(skb, len);
+
+		if (p54_rx(dev, skb)) {
+			pci_unmap_single(priv->pdev,
+					 le32_to_cpu(desc->host_addr),
+					 priv->common.rx_mtu + 32,
+					 PCI_DMA_FROMDEVICE);
+			rx_buf[i] = NULL;
+			desc->host_addr = 0;
+		} else {
+			skb_trim(skb, 0);
+			desc->len = cpu_to_le16(priv->common.rx_mtu + 32);
+		}
 
-	if (!wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ)) {
-		printk(KERN_ERR "%s (prism54pci): Cannot boot firmware!\n",
-		       pci_name(priv->pdev));
-		err = -EINVAL;
-		goto out;
+		i++;
+		i %= ring_limit;
 	}
 
-	P54P_WRITE(int_enable, cpu_to_le32(ISL38XX_INT_IDENT_UPDATE));
-	P54P_READ(int_enable);
+	p54p_refill_rx_ring(dev, ring_index, ring, ring_limit, rx_buf);
+}
 
-	hdr = eeprom + 0x2010;
-	p54_fill_eeprom_readback(hdr);
-	hdr->req_id = cpu_to_le32(priv->common.rx_start);
+/* caller must hold priv->lock */
+static void p54p_check_tx_ring(struct ieee80211_hw *dev, u32 *index,
+	int ring_index, struct p54p_desc *ring, u32 ring_limit,
+	void **tx_buf)
+{
+	struct p54p_priv *priv = dev->priv;
+	struct p54p_ring_control *ring_control = priv->ring_control;
+	struct p54p_desc *desc;
+	u32 idx, i;
 
-	rx_mapping = pci_map_single(priv->pdev, eeprom,
-				    0x2010, PCI_DMA_FROMDEVICE);
-	tx_mapping = pci_map_single(priv->pdev, (void *)hdr,
-				    EEPROM_READBACK_LEN, PCI_DMA_TODEVICE);
+	i = (*index) % ring_limit;
+	(*index) = idx = le32_to_cpu(ring_control->device_idx[1]);
+	idx %= ring_limit;
 
-	ring_control->rx_mgmt[0].host_addr = cpu_to_le32(rx_mapping);
-	ring_control->rx_mgmt[0].len = cpu_to_le16(0x2010);
-	ring_control->tx_data[0].host_addr = cpu_to_le32(tx_mapping);
-	ring_control->tx_data[0].device_addr = hdr->req_id;
-	ring_control->tx_data[0].len = cpu_to_le16(EEPROM_READBACK_LEN);
+	while (i != idx) {
+		desc = &ring[i];
+		kfree(tx_buf[i]);
+		tx_buf[i] = NULL;
 
-	ring_control->host_idx[2] = cpu_to_le32(1);
-	ring_control->host_idx[1] = cpu_to_le32(1);
+		pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr),
+				 le16_to_cpu(desc->len), PCI_DMA_TODEVICE);
 
-	wmb();
-	mdelay(100);
-	P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE));
+		desc->host_addr = 0;
+		desc->device_addr = 0;
+		desc->len = 0;
+		desc->flags = 0;
 
-	wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ);
-	wait_for_completion_interruptible_timeout(&priv->boot_comp, HZ);
-
-	pci_unmap_single(priv->pdev, tx_mapping,
-			 EEPROM_READBACK_LEN, PCI_DMA_TODEVICE);
-	pci_unmap_single(priv->pdev, rx_mapping,
-			 0x2010, PCI_DMA_FROMDEVICE);
-
-	alen = le16_to_cpu(ring_control->rx_mgmt[0].len);
-	if (le32_to_cpu(ring_control->device_idx[2]) != 1 ||
-	    alen < 0x10) {
-		printk(KERN_ERR "%s (prism54pci): Cannot read eeprom!\n",
-		       pci_name(priv->pdev));
-		err = -EINVAL;
-		goto out;
+		i++;
+		i %= ring_limit;
 	}
-
-	p54_parse_eeprom(dev, (u8 *)eeprom + 0x10, alen - 0x10);
-
- out:
-	kfree(eeprom);
-	P54P_WRITE(int_enable, cpu_to_le32(0));
-	P54P_READ(int_enable);
-	udelay(10);
-	free_irq(priv->pdev->irq, priv);
-	P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET));
-	return err;
 }
 
-static void p54p_refill_rx_ring(struct ieee80211_hw *dev)
+static void p54p_rx_tasklet(unsigned long dev_id)
 {
+	struct ieee80211_hw *dev = (struct ieee80211_hw *)dev_id;
 	struct p54p_priv *priv = dev->priv;
 	struct p54p_ring_control *ring_control = priv->ring_control;
-	u32 limit, host_idx, idx;
 
-	host_idx = le32_to_cpu(ring_control->host_idx[0]);
-	limit = host_idx;
-	limit -= le32_to_cpu(ring_control->device_idx[0]);
-	limit = ARRAY_SIZE(ring_control->rx_data) - limit;
-
-	idx = host_idx % ARRAY_SIZE(ring_control->rx_data);
-	while (limit-- > 1) {
-		struct p54p_desc *desc = &ring_control->rx_data[idx];
-
-		if (!desc->host_addr) {
-			struct sk_buff *skb;
-			dma_addr_t mapping;
-			skb = dev_alloc_skb(MAX_RX_SIZE);
-			if (!skb)
-				break;
-
-			mapping = pci_map_single(priv->pdev,
-						 skb_tail_pointer(skb),
-						 MAX_RX_SIZE,
-						 PCI_DMA_FROMDEVICE);
-			desc->host_addr = cpu_to_le32(mapping);
-			desc->device_addr = 0;	// FIXME: necessary?
-			desc->len = cpu_to_le16(MAX_RX_SIZE);
-			desc->flags = 0;
-			priv->rx_buf[idx] = skb;
-		}
+	p54p_check_rx_ring(dev, &priv->rx_idx_mgmt, 2, ring_control->rx_mgmt,
+		ARRAY_SIZE(ring_control->rx_mgmt), priv->rx_buf_mgmt);
 
-		idx++;
-		host_idx++;
-		idx %= ARRAY_SIZE(ring_control->rx_data);
-	}
+	p54p_check_rx_ring(dev, &priv->rx_idx_data, 0, ring_control->rx_data,
+		ARRAY_SIZE(ring_control->rx_data), priv->rx_buf_data);
 
 	wmb();
-	ring_control->host_idx[0] = cpu_to_le32(host_idx);
+	P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE));
 }
 
 static irqreturn_t p54p_interrupt(int irq, void *dev_id)
@@ -298,65 +286,18 @@ static irqreturn_t p54p_interrupt(int irq, void *dev_id)
 	reg &= P54P_READ(int_enable);
 
 	if (reg & cpu_to_le32(ISL38XX_INT_IDENT_UPDATE)) {
-		struct p54p_desc *desc;
-		u32 idx, i;
-		i = priv->tx_idx;
-		i %= ARRAY_SIZE(ring_control->tx_data);
-		priv->tx_idx = idx = le32_to_cpu(ring_control->device_idx[1]);
-		idx %= ARRAY_SIZE(ring_control->tx_data);
-
-		while (i != idx) {
-			desc = &ring_control->tx_data[i];
-			if (priv->tx_buf[i]) {
-				kfree(priv->tx_buf[i]);
-				priv->tx_buf[i] = NULL;
-			}
-
-			pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr),
-					 le16_to_cpu(desc->len), PCI_DMA_TODEVICE);
-
-			desc->host_addr = 0;
-			desc->device_addr = 0;
-			desc->len = 0;
-			desc->flags = 0;
-
-			i++;
-			i %= ARRAY_SIZE(ring_control->tx_data);
-		}
-
-		i = priv->rx_idx;
-		i %= ARRAY_SIZE(ring_control->rx_data);
-		priv->rx_idx = idx = le32_to_cpu(ring_control->device_idx[0]);
-		idx %= ARRAY_SIZE(ring_control->rx_data);
-		while (i != idx) {
-			u16 len;
-			struct sk_buff *skb;
-			desc = &ring_control->rx_data[i];
-			len = le16_to_cpu(desc->len);
-			skb = priv->rx_buf[i];
+		p54p_check_tx_ring(dev, &priv->tx_idx_mgmt,
+				   3, ring_control->tx_mgmt,
+				   ARRAY_SIZE(ring_control->tx_mgmt),
+				   priv->tx_buf_mgmt);
 
-			skb_put(skb, len);
+		p54p_check_tx_ring(dev, &priv->tx_idx_data,
+				   1, ring_control->tx_data,
+				   ARRAY_SIZE(ring_control->tx_data),
+				   priv->tx_buf_data);
 
-			if (p54_rx(dev, skb)) {
-				pci_unmap_single(priv->pdev,
-						 le32_to_cpu(desc->host_addr),
-						 MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
+		tasklet_schedule(&priv->rx_tasklet);
 
-				priv->rx_buf[i] = NULL;
-				desc->host_addr = 0;
-			} else {
-				skb_trim(skb, 0);
-				desc->len = cpu_to_le16(MAX_RX_SIZE);
-			}
-
-			i++;
-			i %= ARRAY_SIZE(ring_control->rx_data);
-		}
-
-		p54p_refill_rx_ring(dev);
-
-		wmb();
-		P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE));
 	} else if (reg & cpu_to_le32(ISL38XX_INT_IDENT_INIT))
 		complete(&priv->boot_comp);
 
@@ -392,7 +333,7 @@ static void p54p_tx(struct ieee80211_hw *dev, struct p54_control_hdr *data,
 	ring_control->host_idx[1] = cpu_to_le32(idx + 1);
 
 	if (free_on_tx)
-		priv->tx_buf[i] = data;
+		priv->tx_buf_data[i] = data;
 
 	spin_unlock_irqrestore(&priv->lock, flags);
 
@@ -412,7 +353,7 @@ static int p54p_open(struct ieee80211_hw *dev)
 
 	init_completion(&priv->boot_comp);
 	err = request_irq(priv->pdev->irq, &p54p_interrupt,
-			  IRQF_SHARED, "prism54pci", dev);
+			  IRQF_SHARED, "p54pci", dev);
 	if (err) {
 		printk(KERN_ERR "%s: failed to register IRQ handler\n",
 		       wiphy_name(dev->wiphy));
@@ -420,10 +361,19 @@ static int p54p_open(struct ieee80211_hw *dev)
 	}
 
 	memset(priv->ring_control, 0, sizeof(*priv->ring_control));
-	priv->rx_idx = priv->tx_idx = 0;
-	p54p_refill_rx_ring(dev);
+	err = p54p_upload_firmware(dev);
+	if (err) {
+		free_irq(priv->pdev->irq, dev);
+		return err;
+	}
+	priv->rx_idx_data = priv->tx_idx_data = 0;
+	priv->rx_idx_mgmt = priv->tx_idx_mgmt = 0;
+
+	p54p_refill_rx_ring(dev, 0, priv->ring_control->rx_data,
+		ARRAY_SIZE(priv->ring_control->rx_data), priv->rx_buf_data);
 
-	p54p_upload_firmware(dev);
+	p54p_refill_rx_ring(dev, 2, priv->ring_control->rx_mgmt,
+		ARRAY_SIZE(priv->ring_control->rx_mgmt), priv->rx_buf_mgmt);
 
 	P54P_WRITE(ring_control_base, cpu_to_le32(priv->ring_control_dma));
 	P54P_READ(ring_control_base);
@@ -465,6 +415,8 @@ static void p54p_stop(struct ieee80211_hw *dev)
 	unsigned int i;
 	struct p54p_desc *desc;
 
+	tasklet_kill(&priv->rx_tasklet);
+
 	P54P_WRITE(int_enable, cpu_to_le32(0));
 	P54P_READ(int_enable);
 	udelay(10);
@@ -473,26 +425,53 @@ static void p54p_stop(struct ieee80211_hw *dev)
 
 	P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_RESET));
 
-	for (i = 0; i < ARRAY_SIZE(priv->rx_buf); i++) {
+	for (i = 0; i < ARRAY_SIZE(priv->rx_buf_data); i++) {
 		desc = &ring_control->rx_data[i];
 		if (desc->host_addr)
-			pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr),
-					 MAX_RX_SIZE, PCI_DMA_FROMDEVICE);
-		kfree_skb(priv->rx_buf[i]);
-		priv->rx_buf[i] = NULL;
+			pci_unmap_single(priv->pdev,
+					 le32_to_cpu(desc->host_addr),
+					 priv->common.rx_mtu + 32,
+					 PCI_DMA_FROMDEVICE);
+		kfree_skb(priv->rx_buf_data[i]);
+		priv->rx_buf_data[i] = NULL;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(priv->rx_buf_mgmt); i++) {
+		desc = &ring_control->rx_mgmt[i];
+		if (desc->host_addr)
+			pci_unmap_single(priv->pdev,
+					 le32_to_cpu(desc->host_addr),
+					 priv->common.rx_mtu + 32,
+					 PCI_DMA_FROMDEVICE);
+		kfree_skb(priv->rx_buf_mgmt[i]);
+		priv->rx_buf_mgmt[i] = NULL;
 	}
 
-	for (i = 0; i < ARRAY_SIZE(priv->tx_buf); i++) {
+	for (i = 0; i < ARRAY_SIZE(priv->tx_buf_data); i++) {
 		desc = &ring_control->tx_data[i];
 		if (desc->host_addr)
-			pci_unmap_single(priv->pdev, le32_to_cpu(desc->host_addr),
-					 le16_to_cpu(desc->len), PCI_DMA_TODEVICE);
+			pci_unmap_single(priv->pdev,
+					 le32_to_cpu(desc->host_addr),
+					 le16_to_cpu(desc->len),
+					 PCI_DMA_TODEVICE);
 
-		kfree(priv->tx_buf[i]);
-		priv->tx_buf[i] = NULL;
+		kfree(priv->tx_buf_data[i]);
+		priv->tx_buf_data[i] = NULL;
 	}
 
-	memset(ring_control, 0, sizeof(ring_control));
+	for (i = 0; i < ARRAY_SIZE(priv->tx_buf_mgmt); i++) {
+		desc = &ring_control->tx_mgmt[i];
+		if (desc->host_addr)
+			pci_unmap_single(priv->pdev,
+					 le32_to_cpu(desc->host_addr),
+					 le16_to_cpu(desc->len),
+					 PCI_DMA_TODEVICE);
+
+		kfree(priv->tx_buf_mgmt[i]);
+		priv->tx_buf_mgmt[i] = NULL;
+	}
+
+	memset(ring_control, 0, sizeof(*ring_control));
 }
 
 static int __devinit p54p_probe(struct pci_dev *pdev,
@@ -506,7 +485,7 @@ static int __devinit p54p_probe(struct pci_dev *pdev,
 
 	err = pci_enable_device(pdev);
 	if (err) {
-		printk(KERN_ERR "%s (prism54pci): Cannot enable new PCI device\n",
+		printk(KERN_ERR "%s (p54pci): Cannot enable new PCI device\n",
 		       pci_name(pdev));
 		return err;
 	}
@@ -514,22 +493,22 @@ static int __devinit p54p_probe(struct pci_dev *pdev,
 	mem_addr = pci_resource_start(pdev, 0);
 	mem_len = pci_resource_len(pdev, 0);
 	if (mem_len < sizeof(struct p54p_csr)) {
-		printk(KERN_ERR "%s (prism54pci): Too short PCI resources\n",
+		printk(KERN_ERR "%s (p54pci): Too short PCI resources\n",
 		       pci_name(pdev));
 		pci_disable_device(pdev);
 		return err;
 	}
 
-	err = pci_request_regions(pdev, "prism54pci");
+	err = pci_request_regions(pdev, "p54pci");
 	if (err) {
-		printk(KERN_ERR "%s (prism54pci): Cannot obtain PCI resources\n",
+		printk(KERN_ERR "%s (p54pci): Cannot obtain PCI resources\n",
 		       pci_name(pdev));
 		return err;
 	}
 
 	if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
 	    pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) {
-		printk(KERN_ERR "%s (prism54pci): No suitable DMA available\n",
+		printk(KERN_ERR "%s (p54pci): No suitable DMA available\n",
 		       pci_name(pdev));
 		goto err_free_reg;
 	}
@@ -542,7 +521,7 @@ static int __devinit p54p_probe(struct pci_dev *pdev,
 
 	dev = p54_init_common(sizeof(*priv));
 	if (!dev) {
-		printk(KERN_ERR "%s (prism54pci): ieee80211 alloc failed\n",
+		printk(KERN_ERR "%s (p54pci): ieee80211 alloc failed\n",
 		       pci_name(pdev));
 		err = -ENOMEM;
 		goto err_free_reg;
@@ -556,7 +535,7 @@ static int __devinit p54p_probe(struct pci_dev *pdev,
 
 	priv->map = ioremap(mem_addr, mem_len);
 	if (!priv->map) {
-		printk(KERN_ERR "%s (prism54pci): Cannot map device memory\n",
+		printk(KERN_ERR "%s (p54pci): Cannot map device memory\n",
 		       pci_name(pdev));
 		err = -EINVAL;	// TODO: use a better error code?
 		goto err_free_dev;
@@ -565,39 +544,31 @@ static int __devinit p54p_probe(struct pci_dev *pdev,
 	priv->ring_control = pci_alloc_consistent(pdev, sizeof(*priv->ring_control),
 						  &priv->ring_control_dma);
 	if (!priv->ring_control) {
-		printk(KERN_ERR "%s (prism54pci): Cannot allocate rings\n",
+		printk(KERN_ERR "%s (p54pci): Cannot allocate rings\n",
 		       pci_name(pdev));
 		err = -ENOMEM;
 		goto err_iounmap;
 	}
-	memset(priv->ring_control, 0, sizeof(*priv->ring_control));
-
-	err = p54p_upload_firmware(dev);
-	if (err)
-		goto err_free_desc;
-
-	err = p54p_read_eeprom(dev);
-	if (err)
-		goto err_free_desc;
-
 	priv->common.open = p54p_open;
 	priv->common.stop = p54p_stop;
 	priv->common.tx = p54p_tx;
 
 	spin_lock_init(&priv->lock);
+	tasklet_init(&priv->rx_tasklet, p54p_rx_tasklet, (unsigned long)dev);
+
+	p54p_open(dev);
+	err = p54_read_eeprom(dev);
+	p54p_stop(dev);
+	if (err)
+		goto err_free_desc;
 
 	err = ieee80211_register_hw(dev);
 	if (err) {
-		printk(KERN_ERR "%s (prism54pci): Cannot register netdevice\n",
+		printk(KERN_ERR "%s (p54pci): Cannot register netdevice\n",
 		       pci_name(pdev));
 		goto err_free_common;
 	}
 
-	printk(KERN_INFO "%s: hwaddr %s, isl38%02x\n",
-	       wiphy_name(dev->wiphy),
-	       print_mac(mac, dev->wiphy->perm_addr),
-	       priv->common.version);
-
 	return 0;
 
  err_free_common:
@@ -645,7 +616,7 @@ static int p54p_suspend(struct pci_dev *pdev, pm_message_t state)
 	struct ieee80211_hw *dev = pci_get_drvdata(pdev);
 	struct p54p_priv *priv = dev->priv;
 
-	if (priv->common.mode != IEEE80211_IF_TYPE_INVALID) {
+	if (priv->common.mode != NL80211_IFTYPE_UNSPECIFIED) {
 		ieee80211_stop_queues(dev);
 		p54p_stop(dev);
 	}
@@ -663,7 +634,7 @@ static int p54p_resume(struct pci_dev *pdev)
 	pci_set_power_state(pdev, PCI_D0);
 	pci_restore_state(pdev);
 
-	if (priv->common.mode != IEEE80211_IF_TYPE_INVALID) {
+	if (priv->common.mode != NL80211_IFTYPE_UNSPECIFIED) {
 		p54p_open(dev);
 		ieee80211_wake_queues(dev);
 	}
@@ -673,7 +644,7 @@ static int p54p_resume(struct pci_dev *pdev)
 #endif /* CONFIG_PM */
 
 static struct pci_driver p54p_driver = {
-	.name		= "prism54pci",
+	.name		= "p54pci",
 	.id_table	= p54p_table,
 	.probe		= p54p_probe,
 	.remove		= __devexit_p(p54p_remove),
diff --git a/drivers/net/wireless/p54/p54pci.h b/drivers/net/wireless/p54/p54pci.h
index 5bedd7af385..4a6778070af 100644
--- a/drivers/net/wireless/p54/p54pci.h
+++ b/drivers/net/wireless/p54/p54pci.h
@@ -1,5 +1,5 @@
-#ifndef PRISM54PCI_H
-#define PRISM54PCI_H
+#ifndef P54PCI_H
+#define P54PCI_H
 
 /*
  * Defines for PCI based mac80211 Prism54 driver
@@ -68,7 +68,7 @@ struct p54p_csr {
 } __attribute__ ((packed));
 
 /* usb backend only needs the register defines above */
-#ifndef PRISM54USB_H
+#ifndef P54USB_H
 struct p54p_desc {
 	__le32 host_addr;
 	__le32 device_addr;
@@ -92,15 +92,19 @@ struct p54p_priv {
 	struct p54_common common;
 	struct pci_dev *pdev;
 	struct p54p_csr __iomem *map;
+	struct tasklet_struct rx_tasklet;
 
 	spinlock_t lock;
 	struct p54p_ring_control *ring_control;
 	dma_addr_t ring_control_dma;
-	u32 rx_idx, tx_idx;
-	struct sk_buff *rx_buf[8];
-	void *tx_buf[32];
+	u32 rx_idx_data, tx_idx_data;
+	u32 rx_idx_mgmt, tx_idx_mgmt;
+	struct sk_buff *rx_buf_data[8];
+	struct sk_buff *rx_buf_mgmt[4];
+	void *tx_buf_data[32];
+	void *tx_buf_mgmt[4];
 	struct completion boot_comp;
 };
 
-#endif /* PRISM54USB_H */
-#endif /* PRISM54PCI_H */
+#endif /* P54USB_H */
+#endif /* P54PCI_H */
diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
index cbaca23a945..1912f5e9a0a 100644
--- a/drivers/net/wireless/p54/p54usb.c
+++ b/drivers/net/wireless/p54/p54usb.c
@@ -91,11 +91,16 @@ static void p54u_rx_cb(struct urb *urb)
 
 	skb_unlink(skb, &priv->rx_queue);
 	skb_put(skb, urb->actual_length);
-	if (!priv->hw_type)
-		skb_pull(skb, sizeof(struct net2280_tx_hdr));
+
+	if (priv->hw_type == P54U_NET2280)
+		skb_pull(skb, priv->common.tx_hdr_len);
+	if (priv->common.fw_interface == FW_LM87) {
+		skb_pull(skb, 4);
+		skb_put(skb, 4);
+	}
 
 	if (p54_rx(dev, skb)) {
-		skb = dev_alloc_skb(MAX_RX_SIZE);
+		skb = dev_alloc_skb(priv->common.rx_mtu + 32);
 		if (unlikely(!skb)) {
 			usb_free_urb(urb);
 			/* TODO check rx queue length and refill *somewhere* */
@@ -109,9 +114,12 @@ static void p54u_rx_cb(struct urb *urb)
 		urb->context = skb;
 		skb_queue_tail(&priv->rx_queue, skb);
 	} else {
-		if (!priv->hw_type)
-			skb_push(skb, sizeof(struct net2280_tx_hdr));
-
+		if (priv->hw_type == P54U_NET2280)
+			skb_push(skb, priv->common.tx_hdr_len);
+		if (priv->common.fw_interface == FW_LM87) {
+			skb_push(skb, 4);
+			skb_put(skb, 4);
+		}
 		skb_reset_tail_pointer(skb);
 		skb_trim(skb, 0);
 		if (urb->transfer_buffer != skb_tail_pointer(skb)) {
@@ -145,7 +153,7 @@ static int p54u_init_urbs(struct ieee80211_hw *dev)
 	struct p54u_rx_info *info;
 
 	while (skb_queue_len(&priv->rx_queue) < 32) {
-		skb = __dev_alloc_skb(MAX_RX_SIZE, GFP_KERNEL);
+		skb = __dev_alloc_skb(priv->common.rx_mtu + 32, GFP_KERNEL);
 		if (!skb)
 			break;
 		entry = usb_alloc_urb(0, GFP_KERNEL);
@@ -153,7 +161,10 @@ static int p54u_init_urbs(struct ieee80211_hw *dev)
 			kfree_skb(skb);
 			break;
 		}
-		usb_fill_bulk_urb(entry, priv->udev, usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA), skb_tail_pointer(skb), MAX_RX_SIZE, p54u_rx_cb, skb);
+		usb_fill_bulk_urb(entry, priv->udev,
+				  usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA),
+				  skb_tail_pointer(skb),
+				  priv->common.rx_mtu + 32, p54u_rx_cb, skb);
 		info = (struct p54u_rx_info *) skb->cb;
 		info->urb = entry;
 		info->dev = dev;
@@ -207,6 +218,42 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct p54_control_hdr *data,
 	usb_submit_urb(data_urb, GFP_ATOMIC);
 }
 
+static __le32 p54u_lm87_chksum(const u32 *data, size_t length)
+{
+	u32 chk = 0;
+
+	length >>= 2;
+	while (length--) {
+		chk ^= *data++;
+		chk = (chk >> 5) ^ (chk << 3);
+	}
+
+	return cpu_to_le32(chk);
+}
+
+static void p54u_tx_lm87(struct ieee80211_hw *dev,
+			 struct p54_control_hdr *data,
+			 size_t len, int free_on_tx)
+{
+	struct p54u_priv *priv = dev->priv;
+	struct urb *data_urb;
+	struct lm87_tx_hdr *hdr = (void *)data - sizeof(*hdr);
+
+	data_urb = usb_alloc_urb(0, GFP_ATOMIC);
+	if (!data_urb)
+		return;
+
+	hdr->chksum = p54u_lm87_chksum((u32 *)data, len);
+	hdr->device_addr = data->req_id;
+
+	usb_fill_bulk_urb(data_urb, priv->udev,
+		usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), hdr,
+		len + sizeof(*hdr), free_on_tx ? p54u_tx_free_cb : p54u_tx_cb,
+		dev);
+
+	usb_submit_urb(data_urb, GFP_ATOMIC);
+}
+
 static void p54u_tx_net2280(struct ieee80211_hw *dev, struct p54_control_hdr *data,
 			    size_t len, int free_on_tx)
 {
@@ -312,73 +359,6 @@ static int p54u_bulk_msg(struct p54u_priv *priv, unsigned int ep,
 			    data, len, &alen, 2000);
 }
 
-static int p54u_read_eeprom(struct ieee80211_hw *dev)
-{
-	struct p54u_priv *priv = dev->priv;
-	void *buf;
-	struct p54_control_hdr *hdr;
-	int err, alen;
-	size_t offset = priv->hw_type ? 0x10 : 0x20;
-
-	buf = kmalloc(0x2020, GFP_KERNEL);
-	if (!buf) {
-		printk(KERN_ERR "prism54usb: cannot allocate memory for "
-		       "eeprom readback!\n");
-		return -ENOMEM;
-	}
-
-	if (priv->hw_type) {
-		*((u32 *) buf) = priv->common.rx_start;
-		err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32));
-		if (err) {
-			printk(KERN_ERR "prism54usb: addr send failed\n");
-			goto fail;
-		}
-	} else {
-		struct net2280_reg_write *reg = buf;
-		reg->port = cpu_to_le16(NET2280_DEV_U32);
-		reg->addr = cpu_to_le32(P54U_DEV_BASE);
-		reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA);
-		err = p54u_bulk_msg(priv, P54U_PIPE_DEV, buf, sizeof(*reg));
-		if (err) {
-			printk(KERN_ERR "prism54usb: dev_int send failed\n");
-			goto fail;
-		}
-	}
-
-	hdr = buf + priv->common.tx_hdr_len;
-	p54_fill_eeprom_readback(hdr);
-	hdr->req_id = cpu_to_le32(priv->common.rx_start);
-	if (priv->common.tx_hdr_len) {
-		struct net2280_tx_hdr *tx_hdr = buf;
-		tx_hdr->device_addr = hdr->req_id;
-		tx_hdr->len = cpu_to_le16(EEPROM_READBACK_LEN);
-	}
-
-	/* we can just pretend to send 0x2000 bytes of nothing in the headers */
-	err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf,
-			    EEPROM_READBACK_LEN + priv->common.tx_hdr_len);
-	if (err) {
-		printk(KERN_ERR "prism54usb: eeprom req send failed\n");
-		goto fail;
-	}
-
-	err = usb_bulk_msg(priv->udev,
-			   usb_rcvbulkpipe(priv->udev, P54U_PIPE_DATA),
-			   buf, 0x2020, &alen, 1000);
-	if (!err && alen > offset) {
-		p54_parse_eeprom(dev, (u8 *)buf + offset, alen - offset);
-	} else {
-		printk(KERN_ERR "prism54usb: eeprom read failed!\n");
-		err = -EINVAL;
-		goto fail;
-	}
-
- fail:
-	kfree(buf);
-	return err;
-}
-
 static int p54u_upload_firmware_3887(struct ieee80211_hw *dev)
 {
 	static char start_string[] = "~~~~<\r";
@@ -412,7 +392,9 @@ static int p54u_upload_firmware_3887(struct ieee80211_hw *dev)
 		goto err_req_fw_failed;
 	}
 
-	p54_parse_firmware(dev, fw_entry);
+	err = p54_parse_firmware(dev, fw_entry);
+	if (err)
+		goto err_upload_failed;
 
 	left = block_size = min((size_t)P54U_FW_BLOCK, fw_entry->size);
 	strcpy(buf, start_string);
@@ -458,7 +440,7 @@ static int p54u_upload_firmware_3887(struct ieee80211_hw *dev)
 
 		err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_size);
 		if (err) {
-			printk(KERN_ERR "prism54usb: firmware upload failed!\n");
+			printk(KERN_ERR "p54usb: firmware upload failed!\n");
 			goto err_upload_failed;
 		}
 
@@ -469,7 +451,7 @@ static int p54u_upload_firmware_3887(struct ieee80211_hw *dev)
 	*((__le32 *)buf) = cpu_to_le32(~crc32_le(~0, fw_entry->data, fw_entry->size));
 	err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, sizeof(u32));
 	if (err) {
-		printk(KERN_ERR "prism54usb: firmware upload failed!\n");
+		printk(KERN_ERR "p54usb: firmware upload failed!\n");
 		goto err_upload_failed;
 	}
 
@@ -480,13 +462,13 @@ static int p54u_upload_firmware_3887(struct ieee80211_hw *dev)
 			break;
 
 		if (alen > 5 && !memcmp(buf, "ERROR", 5)) {
-			printk(KERN_INFO "prism54usb: firmware upload failed!\n");
+			printk(KERN_INFO "p54usb: firmware upload failed!\n");
 			err = -EINVAL;
 			break;
 		}
 
 		if (time_after(jiffies, timeout)) {
-			printk(KERN_ERR "prism54usb: firmware boot timed out!\n");
+			printk(KERN_ERR "p54usb: firmware boot timed out!\n");
 			err = -ETIMEDOUT;
 			break;
 		}
@@ -498,7 +480,7 @@ static int p54u_upload_firmware_3887(struct ieee80211_hw *dev)
 	buf[1] = '\r';
 	err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, 2);
 	if (err) {
-		printk(KERN_ERR "prism54usb: firmware boot failed!\n");
+		printk(KERN_ERR "p54usb: firmware boot failed!\n");
 		goto err_upload_failed;
 	}
 
@@ -549,7 +531,12 @@ static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev)
 		return err;
 	}
 
-	p54_parse_firmware(dev, fw_entry);
+	err = p54_parse_firmware(dev, fw_entry);
+	if (err) {
+		kfree(buf);
+		release_firmware(fw_entry);
+		return err;
+	}
 
 #define P54U_WRITE(type, addr, data) \
 	do {\
@@ -660,7 +647,7 @@ static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev)
 
 		err = p54u_bulk_msg(priv, P54U_PIPE_DATA, buf, block_len);
 		if (err) {
-			printk(KERN_ERR "prism54usb: firmware block upload "
+			printk(KERN_ERR "p54usb: firmware block upload "
 			       "failed\n");
 			goto fail;
 		}
@@ -694,7 +681,7 @@ static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev)
 			  0x002C | (unsigned long)&devreg->direct_mem_win);
 		if (!(reg & cpu_to_le32(ISL38XX_DMA_STATUS_DONE)) ||
 		    !(reg & cpu_to_le32(ISL38XX_DMA_STATUS_READY))) {
-			printk(KERN_ERR "prism54usb: firmware DMA transfer "
+			printk(KERN_ERR "p54usb: firmware DMA transfer "
 			       "failed\n");
 			goto fail;
 		}
@@ -802,7 +789,7 @@ static int __devinit p54u_probe(struct usb_interface *intf,
 
 	dev = p54_init_common(sizeof(*priv));
 	if (!dev) {
-		printk(KERN_ERR "prism54usb: ieee80211 alloc failed\n");
+		printk(KERN_ERR "p54usb: ieee80211 alloc failed\n");
 		return -ENOMEM;
 	}
 
@@ -833,49 +820,40 @@ static int __devinit p54u_probe(struct usb_interface *intf,
 		}
 	}
 	priv->common.open = p54u_open;
-
+	priv->common.stop = p54u_stop;
 	if (recognized_pipes < P54U_PIPE_NUMBER) {
 		priv->hw_type = P54U_3887;
-		priv->common.tx = p54u_tx_3887;
+		err = p54u_upload_firmware_3887(dev);
+		if (priv->common.fw_interface == FW_LM87) {
+			dev->extra_tx_headroom += sizeof(struct lm87_tx_hdr);
+			priv->common.tx_hdr_len = sizeof(struct lm87_tx_hdr);
+			priv->common.tx = p54u_tx_lm87;
+		} else
+			priv->common.tx = p54u_tx_3887;
 	} else {
+		priv->hw_type = P54U_NET2280;
 		dev->extra_tx_headroom += sizeof(struct net2280_tx_hdr);
 		priv->common.tx_hdr_len = sizeof(struct net2280_tx_hdr);
 		priv->common.tx = p54u_tx_net2280;
-	}
-	priv->common.stop = p54u_stop;
-
-	if (priv->hw_type)
-		err = p54u_upload_firmware_3887(dev);
-	else
 		err = p54u_upload_firmware_net2280(dev);
+	}
 	if (err)
 		goto err_free_dev;
 
-	err = p54u_read_eeprom(dev);
+	skb_queue_head_init(&priv->rx_queue);
+
+	p54u_open(dev);
+	err = p54_read_eeprom(dev);
+	p54u_stop(dev);
 	if (err)
 		goto err_free_dev;
 
-	if (!is_valid_ether_addr(dev->wiphy->perm_addr)) {
-		u8 perm_addr[ETH_ALEN];
-
-		printk(KERN_WARNING "prism54usb: Invalid hwaddr! Using randomly generated MAC addr\n");
-		random_ether_addr(perm_addr);
-		SET_IEEE80211_PERM_ADDR(dev, perm_addr);
-	}
-
-	skb_queue_head_init(&priv->rx_queue);
-
 	err = ieee80211_register_hw(dev);
 	if (err) {
-		printk(KERN_ERR "prism54usb: Cannot register netdevice\n");
+		printk(KERN_ERR "p54usb: Cannot register netdevice\n");
 		goto err_free_dev;
 	}
 
-	printk(KERN_INFO "%s: hwaddr %s, isl38%02x\n",
-	       wiphy_name(dev->wiphy),
-	       print_mac(mac, dev->wiphy->perm_addr),
-	       priv->common.version);
-
 	return 0;
 
  err_free_dev:
@@ -902,7 +880,7 @@ static void __devexit p54u_disconnect(struct usb_interface *intf)
 }
 
 static struct usb_driver p54u_driver = {
-	.name	= "prism54usb",
+	.name	= "p54usb",
 	.id_table = p54u_table,
 	.probe = p54u_probe,
 	.disconnect = p54u_disconnect,
diff --git a/drivers/net/wireless/p54/p54usb.h b/drivers/net/wireless/p54/p54usb.h
index d1896b396c1..5b8fe91379c 100644
--- a/drivers/net/wireless/p54/p54usb.h
+++ b/drivers/net/wireless/p54/p54usb.h
@@ -1,5 +1,5 @@
-#ifndef PRISM54USB_H
-#define PRISM54USB_H
+#ifndef P54USB_H
+#define P54USB_H
 
 /*
  * Defines for USB based mac80211 Prism54 driver
@@ -72,6 +72,11 @@ struct net2280_tx_hdr {
 	u8 padding[8];
 } __attribute__((packed));
 
+struct lm87_tx_hdr {
+	__le32 device_addr;
+	__le32 chksum;
+} __attribute__((packed));
+
 /* Some flags for the isl hardware registers controlling DMA inside the
  * chip */
 #define ISL38XX_DMA_STATUS_DONE			0x00000001
@@ -130,4 +135,4 @@ struct p54u_priv {
 	struct sk_buff_head rx_queue;
 };
 
-#endif /* PRISM54USB_H */
+#endif /* P54USB_H */