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

drivers/net/wireless/ath5k/base.c

@@ -1256,7 +1256,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
 	if (ctl->flags & IEEE80211_TXCTL_NO_ACK)
 		flags |= AR5K_TXDESC_NOACK;
 
-	pktlen = skb->len + FCS_LEN;
+	pktlen = skb->len;
 
 	if (!(ctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)) {
 		keyidx = ctl->key_idx;
@@ -1952,7 +1952,7 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
 	}
 
 	ds->ds_data = bf->skbaddr;
-	ret = ah->ah_setup_tx_desc(ah, ds, skb->len + FCS_LEN,
+	ret = ah->ah_setup_tx_desc(ah, ds, skb->len,
 			ieee80211_get_hdrlen_from_skb(skb),
 			AR5K_PKT_TYPE_BEACON, (ctl->power_level * 2), ctl->tx_rate, 1,
 			AR5K_TXKEYIX_INVALID, antenna, flags, 0, 0);

drivers/net/wireless/ath5k/hw.c

@@ -3506,7 +3506,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
 {
 	u32 frame_type;
 	struct ath5k_hw_2w_tx_desc *tx_desc;
-	unsigned int buff_len;
+	unsigned int frame_len;
 
 	tx_desc = (struct ath5k_hw_2w_tx_desc *)&desc->ds_ctl0;
 
@@ -3537,22 +3537,25 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
 	/* Setup control descriptor */
 
 	/* Verify and set frame length */
-	if (pkt_len & ~AR5K_2W_TX_DESC_CTL0_FRAME_LEN)
+
+	/* remove padding we might have added before */
+	frame_len = pkt_len - (hdr_len & 3) + FCS_LEN;
+
+	if (frame_len & ~AR5K_2W_TX_DESC_CTL0_FRAME_LEN)
 		return -EINVAL;
 
-	tx_desc->tx_control_0 = pkt_len & AR5K_2W_TX_DESC_CTL0_FRAME_LEN;
+	tx_desc->tx_control_0 = frame_len & AR5K_2W_TX_DESC_CTL0_FRAME_LEN;
 
 	/* Verify and set buffer length */
-	buff_len = pkt_len - FCS_LEN;
 
 	/* NB: beacon's BufLen must be a multiple of 4 bytes */
 	if(type == AR5K_PKT_TYPE_BEACON)
-		buff_len = roundup(buff_len, 4);
+		pkt_len = roundup(pkt_len, 4);
 
-	if (buff_len & ~AR5K_2W_TX_DESC_CTL1_BUF_LEN)
+	if (pkt_len & ~AR5K_2W_TX_DESC_CTL1_BUF_LEN)
 		return -EINVAL;
 
-	tx_desc->tx_control_1 = buff_len & AR5K_2W_TX_DESC_CTL1_BUF_LEN;
+	tx_desc->tx_control_1 = pkt_len & AR5K_2W_TX_DESC_CTL1_BUF_LEN;
 
 	/*
 	 * Verify and set header length
@@ -3634,7 +3637,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
 {
 	struct ath5k_hw_4w_tx_desc *tx_desc;
 	struct ath5k_hw_tx_status *tx_status;
-	unsigned int buff_len;
+	unsigned int frame_len;
 
 	ATH5K_TRACE(ah->ah_sc);
 	tx_desc = (struct ath5k_hw_4w_tx_desc *)&desc->ds_ctl0;
@@ -3669,22 +3672,25 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
 	/* Setup control descriptor */
 
 	/* Verify and set frame length */
-	if (pkt_len & ~AR5K_4W_TX_DESC_CTL0_FRAME_LEN)
+
+	/* remove padding we might have added before */
+	frame_len = pkt_len - (hdr_len & 3) + FCS_LEN;
+
+	if (frame_len & ~AR5K_4W_TX_DESC_CTL0_FRAME_LEN)
 		return -EINVAL;
 
-	tx_desc->tx_control_0 = pkt_len & AR5K_4W_TX_DESC_CTL0_FRAME_LEN;
+	tx_desc->tx_control_0 = frame_len & AR5K_4W_TX_DESC_CTL0_FRAME_LEN;
 
 	/* Verify and set buffer length */
-	buff_len = pkt_len - FCS_LEN;
 
 	/* NB: beacon's BufLen must be a multiple of 4 bytes */
 	if(type == AR5K_PKT_TYPE_BEACON)
-		buff_len = roundup(buff_len, 4);
+		pkt_len = roundup(pkt_len, 4);
 
-	if (buff_len & ~AR5K_4W_TX_DESC_CTL1_BUF_LEN)
+	if (pkt_len & ~AR5K_4W_TX_DESC_CTL1_BUF_LEN)
 		return -EINVAL;
 
-	tx_desc->tx_control_1 = buff_len & AR5K_4W_TX_DESC_CTL1_BUF_LEN;
+	tx_desc->tx_control_1 = pkt_len & AR5K_4W_TX_DESC_CTL1_BUF_LEN;
 
 	tx_desc->tx_control_0 |=
 		AR5K_REG_SM(tx_power, AR5K_4W_TX_DESC_CTL0_XMIT_POWER) |

drivers/net/wireless/b43/b43.h

@@ -14,6 +14,12 @@
 #include "lo.h"
 #include "phy.h"
 
+
+/* The unique identifier of the firmware that's officially supported by
+ * this driver version. */
+#define B43_SUPPORTED_FIRMWARE_ID	"FW13"
+
+
 #ifdef CONFIG_B43_DEBUG
 # define B43_DEBUG	1
 #else

drivers/net/wireless/b43/main.c

@@ -58,6 +58,8 @@ MODULE_AUTHOR("Stefano Brivio");
 MODULE_AUTHOR("Michael Buesch");
 MODULE_LICENSE("GPL");
 
+MODULE_FIRMWARE(B43_SUPPORTED_FIRMWARE_ID);
+
 
 static int modparam_bad_frames_preempt;
 module_param_named(bad_frames_preempt, modparam_bad_frames_preempt, int, 0444);
@@ -1859,11 +1861,11 @@ static int b43_upload_microcode(struct b43_wldev *dev)
 		err = -EOPNOTSUPP;
 		goto error;
 	}
-	b43dbg(dev->wl, "Loading firmware version %u.%u "
-	       "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
-	       fwrev, fwpatch,
-	       (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
-	       (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
+	b43info(dev->wl, "Loading firmware version %u.%u "
+		"(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n",
+		fwrev, fwpatch,
+		(fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
+		(fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
 
 	dev->fw.rev = fwrev;
 	dev->fw.patch = fwpatch;
@@ -4200,6 +4202,33 @@ static struct ssb_driver b43_ssb_driver = {
 	.resume		= b43_resume,
 };
 
+static void b43_print_driverinfo(void)
+{
+	const char *feat_pci = "", *feat_pcmcia = "", *feat_nphy = "",
+		   *feat_leds = "", *feat_rfkill = "";
+
+#ifdef CONFIG_B43_PCI_AUTOSELECT
+	feat_pci = "P";
+#endif
+#ifdef CONFIG_B43_PCMCIA
+	feat_pcmcia = "M";
+#endif
+#ifdef CONFIG_B43_NPHY
+	feat_nphy = "N";
+#endif
+#ifdef CONFIG_B43_LEDS
+	feat_leds = "L";
+#endif
+#ifdef CONFIG_B43_RFKILL
+	feat_rfkill = "R";
+#endif
+	printk(KERN_INFO "Broadcom 43xx driver loaded "
+	       "[ Features: %s%s%s%s%s, Firmware-ID: "
+	       B43_SUPPORTED_FIRMWARE_ID " ]\n",
+	       feat_pci, feat_pcmcia, feat_nphy,
+	       feat_leds, feat_rfkill);
+}
+
 static int __init b43_init(void)
 {
 	int err;
@@ -4211,6 +4240,7 @@ static int __init b43_init(void)
 	err = ssb_driver_register(&b43_ssb_driver);
 	if (err)
 		goto err_pcmcia_exit;
+	b43_print_driverinfo();
 
 	return err;
 

drivers/net/wireless/b43legacy/b43legacy.h

@@ -23,6 +23,10 @@
 #include "phy.h"
 
 
+/* The unique identifier of the firmware that's officially supported by this
+ * driver version. */
+#define B43legacy_SUPPORTED_FIRMWARE_ID	"FW10"
+
 #define B43legacy_IRQWAIT_MAX_RETRIES	20
 
 #define B43legacy_RX_MAX_SSI		60 /* best guess at max ssi */

drivers/net/wireless/b43legacy/dma.c

@@ -354,7 +354,8 @@ return 0;
 }
 
 
-u16 b43legacy_dmacontroller_base(int dma64bit, int controller_idx)
+static u16 b43legacy_dmacontroller_base(enum b43legacy_dmatype type,
+					int controller_idx)
 {
 	static const u16 map64[] = {
 		B43legacy_MMIO_DMA64_BASE0,
@@ -373,7 +374,7 @@ u16 b43legacy_dmacontroller_base(int dma64bit, int controller_idx)
 		B43legacy_MMIO_DMA32_BASE5,
 	};
 
-	if (dma64bit) {
+	if (type == B43legacy_DMA_64BIT) {
 		B43legacy_WARN_ON(!(controller_idx >= 0 &&
 				  controller_idx < ARRAY_SIZE(map64)));
 		return map64[controller_idx];
@@ -480,8 +481,9 @@ static void free_ringmemory(struct b43legacy_dmaring *ring)
 }
 
 /* Reset the RX DMA channel */
-int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
-				     u16 mmio_base, int dma64)
+static int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
+					    u16 mmio_base,
+					    enum b43legacy_dmatype type)
 {
 	int i;
 	u32 value;
@@ -489,13 +491,14 @@ int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
 
 	might_sleep();
 
-	offset = dma64 ? B43legacy_DMA64_RXCTL : B43legacy_DMA32_RXCTL;
+	offset = (type == B43legacy_DMA_64BIT) ?
+		 B43legacy_DMA64_RXCTL : B43legacy_DMA32_RXCTL;
 	b43legacy_write32(dev, mmio_base + offset, 0);
 	for (i = 0; i < 10; i++) {
-		offset = dma64 ? B43legacy_DMA64_RXSTATUS :
-			 B43legacy_DMA32_RXSTATUS;
+		offset = (type == B43legacy_DMA_64BIT) ?
+			 B43legacy_DMA64_RXSTATUS : B43legacy_DMA32_RXSTATUS;
 		value = b43legacy_read32(dev, mmio_base + offset);
-		if (dma64) {
+		if (type == B43legacy_DMA_64BIT) {
 			value &= B43legacy_DMA64_RXSTAT;
 			if (value == B43legacy_DMA64_RXSTAT_DISABLED) {
 				i = -1;
@@ -519,8 +522,9 @@ int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
 }
 
 /* Reset the RX DMA channel */
-int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
-				     u16 mmio_base, int dma64)
+static int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
+					    u16 mmio_base,
+					    enum b43legacy_dmatype type)
 {
 	int i;
 	u32 value;
@@ -529,10 +533,10 @@ int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
 	might_sleep();
 
 	for (i = 0; i < 10; i++) {
-		offset = dma64 ? B43legacy_DMA64_TXSTATUS :
-			 B43legacy_DMA32_TXSTATUS;
+		offset = (type == B43legacy_DMA_64BIT) ?
+			 B43legacy_DMA64_TXSTATUS : B43legacy_DMA32_TXSTATUS;
 		value = b43legacy_read32(dev, mmio_base + offset);
-		if (dma64) {
+		if (type == B43legacy_DMA_64BIT) {
 			value &= B43legacy_DMA64_TXSTAT;
 			if (value == B43legacy_DMA64_TXSTAT_DISABLED ||
 			    value == B43legacy_DMA64_TXSTAT_IDLEWAIT ||
@@ -547,13 +551,14 @@ int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
 		}
 		msleep(1);
 	}
-	offset = dma64 ? B43legacy_DMA64_TXCTL : B43legacy_DMA32_TXCTL;
+	offset = (type == B43legacy_DMA_64BIT) ? B43legacy_DMA64_TXCTL :
+						 B43legacy_DMA32_TXCTL;
 	b43legacy_write32(dev, mmio_base + offset, 0);
 	for (i = 0; i < 10; i++) {
-		offset = dma64 ? B43legacy_DMA64_TXSTATUS :
-			 B43legacy_DMA32_TXSTATUS;
+		offset = (type == B43legacy_DMA_64BIT) ?
+			 B43legacy_DMA64_TXSTATUS : B43legacy_DMA32_TXSTATUS;
 		value = b43legacy_read32(dev, mmio_base + offset);
-		if (dma64) {
+		if (type == B43legacy_DMA_64BIT) {
 			value &= B43legacy_DMA64_TXSTAT;
 			if (value == B43legacy_DMA64_TXSTAT_DISABLED) {
 				i = -1;
@@ -578,6 +583,32 @@ int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
 	return 0;
 }
 
+/* Check if a DMA mapping address is invalid. */
+static bool b43legacy_dma_mapping_error(struct b43legacy_dmaring *ring,
+					dma_addr_t addr,
+					size_t buffersize)
+{
+	if (unlikely(dma_mapping_error(addr)))
+		return 1;
+
+	switch (ring->type) {
+	case B43legacy_DMA_30BIT:
+		if ((u64)addr + buffersize > (1ULL << 30))
+			return 1;
+		break;
+	case B43legacy_DMA_32BIT:
+		if ((u64)addr + buffersize > (1ULL << 32))
+			return 1;
+		break;
+	case B43legacy_DMA_64BIT:
+		/* Currently we can't have addresses beyond 64 bits in the kernel. */
+		break;
+	}
+
+	/* The address is OK. */
+	return 0;
+}
+
 static int setup_rx_descbuffer(struct b43legacy_dmaring *ring,
 			       struct b43legacy_dmadesc_generic *desc,
 			       struct b43legacy_dmadesc_meta *meta,
@@ -595,7 +626,7 @@ static int setup_rx_descbuffer(struct b43legacy_dmaring *ring,
 		return -ENOMEM;
 	dmaaddr = map_descbuffer(ring, skb->data,
 				 ring->rx_buffersize, 0);
-	if (dma_mapping_error(dmaaddr)) {
+	if (b43legacy_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize)) {
 		/* ugh. try to realloc in zone_dma */
 		gfp_flags |= GFP_DMA;
 
@@ -608,7 +639,7 @@ static int setup_rx_descbuffer(struct b43legacy_dmaring *ring,
 					 ring->rx_buffersize, 0);
 	}
 
-	if (dma_mapping_error(dmaaddr)) {
+	if (b43legacy_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize)) {
 		dev_kfree_skb_any(skb);
 		return -EIO;
 	}
@@ -674,7 +705,7 @@ static int dmacontroller_setup(struct b43legacy_dmaring *ring)
 	u32 trans = ssb_dma_translation(ring->dev->dev);
 
 	if (ring->tx) {
-		if (ring->dma64) {
+		if (ring->type == B43legacy_DMA_64BIT) {
 			u64 ringbase = (u64)(ring->dmabase);
 
 			addrext = ((ringbase >> 32) & SSB_DMA_TRANSLATION_MASK)
@@ -709,7 +740,7 @@ static int dmacontroller_setup(struct b43legacy_dmaring *ring)
 		err = alloc_initial_descbuffers(ring);
 		if (err)
 			goto out;
-		if (ring->dma64) {
+		if (ring->type == B43legacy_DMA_64BIT) {
 			u64 ringbase = (u64)(ring->dmabase);
 
 			addrext = ((ringbase >> 32) & SSB_DMA_TRANSLATION_MASK)
@@ -760,16 +791,16 @@ static void dmacontroller_cleanup(struct b43legacy_dmaring *ring)
 {
 	if (ring->tx) {
 		b43legacy_dmacontroller_tx_reset(ring->dev, ring->mmio_base,
-						 ring->dma64);
-		if (ring->dma64) {
+						 ring->type);
+		if (ring->type == B43legacy_DMA_64BIT) {
 			b43legacy_dma_write(ring, B43legacy_DMA64_TXRINGLO, 0);
 			b43legacy_dma_write(ring, B43legacy_DMA64_TXRINGHI, 0);
 		} else
 			b43legacy_dma_write(ring, B43legacy_DMA32_TXRING, 0);
 	} else {
 		b43legacy_dmacontroller_rx_reset(ring->dev, ring->mmio_base,
-						 ring->dma64);
-		if (ring->dma64) {
+						 ring->type);
+		if (ring->type == B43legacy_DMA_64BIT) {
 			b43legacy_dma_write(ring, B43legacy_DMA64_RXRINGLO, 0);
 			b43legacy_dma_write(ring, B43legacy_DMA64_RXRINGHI, 0);
 		} else
@@ -824,11 +855,10 @@ static u64 supported_dma_mask(struct b43legacy_wldev *dev)
 
 /* Main initialization function. */
 static
-struct b43legacy_dmaring *b43legacy_setup_dmaring(
-					struct b43legacy_wldev *dev,
-					int controller_index,
-					int for_tx,
-					int dma64)
+struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev,
+						  int controller_index,
+						  int for_tx,
+						  enum b43legacy_dmatype type)
 {
 	struct b43legacy_dmaring *ring;
 	int err;
@@ -838,6 +868,7 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(
 	ring = kzalloc(sizeof(*ring), GFP_KERNEL);
 	if (!ring)
 		goto out;
+	ring->type = type;
 
 	nr_slots = B43legacy_RXRING_SLOTS;
 	if (for_tx)
@@ -855,12 +886,12 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(
 			goto err_kfree_meta;
 
 		/* test for ability to dma to txhdr_cache */
-		dma_test = dma_map_single(dev->dev->dev,
-				ring->txhdr_cache,
-				sizeof(struct b43legacy_txhdr_fw3),
-				DMA_TO_DEVICE);
+		dma_test = dma_map_single(dev->dev->dev, ring->txhdr_cache,
+					  sizeof(struct b43legacy_txhdr_fw3),
+					  DMA_TO_DEVICE);
 
-		if (dma_mapping_error(dma_test)) {
+		if (b43legacy_dma_mapping_error(ring, dma_test,
+					sizeof(struct b43legacy_txhdr_fw3))) {
 			/* ugh realloc */
 			kfree(ring->txhdr_cache);
 			ring->txhdr_cache = kcalloc(nr_slots,
@@ -874,7 +905,8 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(
 					sizeof(struct b43legacy_txhdr_fw3),
 					DMA_TO_DEVICE);
 
-			if (dma_mapping_error(dma_test))
+			if (b43legacy_dma_mapping_error(ring, dma_test,
+					sizeof(struct b43legacy_txhdr_fw3)))
 				goto err_kfree_txhdr_cache;
 		}
 
@@ -885,11 +917,9 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(
 
 	ring->dev = dev;
 	ring->nr_slots = nr_slots;
-	ring->mmio_base = b43legacy_dmacontroller_base(dma64,
-						       controller_index);
+	ring->mmio_base = b43legacy_dmacontroller_base(type, controller_index);
 	ring->index = controller_index;
-	ring->dma64 = !!dma64;
-	if (dma64)
+	if (type == B43legacy_DMA_64BIT)
 		ring->ops = &dma64_ops;
 	else
 		ring->ops = &dma32_ops;
@@ -939,10 +969,10 @@ static void b43legacy_destroy_dmaring(struct b43legacy_dmaring *ring)
 	if (!ring)
 		return;
 
-	b43legacydbg(ring->dev->wl, "DMA-%s 0x%04X (%s) max used slots:"
-		     " %d/%d\n", (ring->dma64) ? "64" : "32", ring->mmio_base,
-		     (ring->tx) ? "TX" : "RX",
-		     ring->max_used_slots, ring->nr_slots);
+	b43legacydbg(ring->dev->wl, "DMA-%u 0x%04X (%s) max used slots:"
+		     " %d/%d\n", (unsigned int)(ring->type), ring->mmio_base,
+		     (ring->tx) ? "TX" : "RX", ring->max_used_slots,
+		     ring->nr_slots);
 	/* Device IRQs are disabled prior entering this function,
 	 * so no need to take care of concurrency with rx handler stuff.
 	 */
@@ -988,11 +1018,22 @@ int b43legacy_dma_init(struct b43legacy_wldev *dev)
 	struct b43legacy_dmaring *ring;
 	int err;
 	u64 dmamask;
-	int dma64 = 0;
+	enum b43legacy_dmatype type;
 
 	dmamask = supported_dma_mask(dev);
-	if (dmamask == DMA_64BIT_MASK)
-		dma64 = 1;
+	switch (dmamask) {
+	default:
+		B43legacy_WARN_ON(1);
+	case DMA_30BIT_MASK:
+		type = B43legacy_DMA_30BIT;
+		break;
+	case DMA_32BIT_MASK:
+		type = B43legacy_DMA_32BIT;
+		break;
+	case DMA_64BIT_MASK:
+		type = B43legacy_DMA_64BIT;
+		break;
+	}
 
 	err = ssb_dma_set_mask(dev->dev, dmamask);
 	if (err) {
@@ -1010,52 +1051,50 @@ int b43legacy_dma_init(struct b43legacy_wldev *dev)
 
 	err = -ENOMEM;
 	/* setup TX DMA channels. */
-	ring = b43legacy_setup_dmaring(dev, 0, 1, dma64);
+	ring = b43legacy_setup_dmaring(dev, 0, 1, type);
 	if (!ring)
 		goto out;
 	dma->tx_ring0 = ring;
 
-	ring = b43legacy_setup_dmaring(dev, 1, 1, dma64);
+	ring = b43legacy_setup_dmaring(dev, 1, 1, type);
 	if (!ring)
 		goto err_destroy_tx0;
 	dma->tx_ring1 = ring;
 
-	ring = b43legacy_setup_dmaring(dev, 2, 1, dma64);
+	ring = b43legacy_setup_dmaring(dev, 2, 1, type);
 	if (!ring)
 		goto err_destroy_tx1;
 	dma->tx_ring2 = ring;
 
-	ring = b43legacy_setup_dmaring(dev, 3, 1, dma64);
+	ring = b43legacy_setup_dmaring(dev, 3, 1, type);
 	if (!ring)
 		goto err_destroy_tx2;
 	dma->tx_ring3 = ring;
 
-	ring = b43legacy_setup_dmaring(dev, 4, 1, dma64);
+	ring = b43legacy_setup_dmaring(dev, 4, 1, type);
 	if (!ring)
 		goto err_destroy_tx3;
 	dma->tx_ring4 = ring;
 
-	ring = b43legacy_setup_dmaring(dev, 5, 1, dma64);
+	ring = b43legacy_setup_dmaring(dev, 5, 1, type);
 	if (!ring)
 		goto err_destroy_tx4;
 	dma->tx_ring5 = ring;
 
 	/* setup RX DMA channels. */
-	ring = b43legacy_setup_dmaring(dev, 0, 0, dma64);
+	ring = b43legacy_setup_dmaring(dev, 0, 0, type);
 	if (!ring)
 		goto err_destroy_tx5;
 	dma->rx_ring0 = ring;
 
 	if (dev->dev->id.revision < 5) {
-		ring = b43legacy_setup_dmaring(dev, 3, 0, dma64);
+		ring = b43legacy_setup_dmaring(dev, 3, 0, type);
 		if (!ring)
 			goto err_destroy_rx0;
 		dma->rx_ring3 = ring;
 	}
 
-	b43legacydbg(dev->wl, "%d-bit DMA initialized\n",
-	       (dmamask == DMA_64BIT_MASK) ? 64 :
-	       (dmamask == DMA_32BIT_MASK) ? 32 : 30);
+	b43legacydbg(dev->wl, "%u-bit DMA initialized\n", (unsigned int)type);
 	err = 0;
 out:
 	return err;
@@ -1194,9 +1233,13 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
 	}
 
 	meta_hdr->dmaaddr = map_descbuffer(ring, (unsigned char *)header,
-				       sizeof(struct b43legacy_txhdr_fw3), 1);
-	if (dma_mapping_error(meta_hdr->dmaaddr))
+					   sizeof(struct b43legacy_txhdr_fw3), 1);
+	if (b43legacy_dma_mapping_error(ring, meta_hdr->dmaaddr,
+					sizeof(struct b43legacy_txhdr_fw3))) {
+		ring->current_slot = old_top_slot;
+		ring->used_slots = old_used_slots;
 		return -EIO;
+	}
 	ops->fill_descriptor(ring, desc, meta_hdr->dmaaddr,
 			     sizeof(struct b43legacy_txhdr_fw3), 1, 0, 0);
 
@@ -1211,7 +1254,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
 
 	meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
 	/* create a bounce buffer in zone_dma on mapping failure. */
-	if (dma_mapping_error(meta->dmaaddr)) {
+	if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len)) {
 		bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA);
 		if (!bounce_skb) {
 			ring->current_slot = old_top_slot;
@@ -1225,7 +1268,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring,
 		skb = bounce_skb;
 		meta->skb = skb;
 		meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
-		if (dma_mapping_error(meta->dmaaddr)) {
+		if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len)) {
 			ring->current_slot = old_top_slot;
 			ring->used_slots = old_used_slots;
 			err = -EIO;

drivers/net/wireless/b43legacy/dma.h

@@ -218,6 +218,12 @@ struct b43legacy_dma_ops {
 	void (*set_current_rxslot)(struct b43legacy_dmaring *ring, int slot);
 };
 
+enum b43legacy_dmatype {
+	B43legacy_DMA_30BIT = 30,
+	B43legacy_DMA_32BIT = 32,
+	B43legacy_DMA_64BIT = 64,
+};
+
 struct b43legacy_dmaring {
 	/* Lowlevel DMA ops. */
 	const struct b43legacy_dma_ops *ops;
@@ -250,8 +256,8 @@ struct b43legacy_dmaring {
 	int index;
 	/* Boolean. Is this a TX ring? */
 	bool tx;
-	/* Boolean. 64bit DMA if true, 32bit DMA otherwise. */
-	bool dma64;
+	/* The type of DMA engine used. */
+	enum b43legacy_dmatype type;
 	/* Boolean. Is this ring stopped at ieee80211 level? */
 	bool stopped;
 	/* Lock, only used for TX. */
@@ -284,15 +290,6 @@ void b43legacy_dma_write(struct b43legacy_dmaring *ring,
 int b43legacy_dma_init(struct b43legacy_wldev *dev);
 void b43legacy_dma_free(struct b43legacy_wldev *dev);
 
-int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
-				     u16 dmacontroller_mmio_base,
-				     int dma64);
-int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
-				     u16 dmacontroller_mmio_base,
-				     int dma64);
-
-u16 b43legacy_dmacontroller_base(int dma64bit, int dmacontroller_idx);
-
 void b43legacy_dma_tx_suspend(struct b43legacy_wldev *dev);
 void b43legacy_dma_tx_resume(struct b43legacy_wldev *dev);
 
@@ -320,20 +317,6 @@ void b43legacy_dma_free(struct b43legacy_wldev *dev)
 {
 }
 static inline
-int b43legacy_dmacontroller_rx_reset(struct b43legacy_wldev *dev,
-				     u16 dmacontroller_mmio_base,
-				     int dma64)
-{
-	return 0;
-}
-static inline
-int b43legacy_dmacontroller_tx_reset(struct b43legacy_wldev *dev,
-				     u16 dmacontroller_mmio_base,
-				     int dma64)
-{
-	return 0;
-}
-static inline
 void b43legacy_dma_get_tx_stats(struct b43legacy_wldev *dev,
 				struct ieee80211_tx_queue_stats *stats)
 {

drivers/net/wireless/b43legacy/main.c

@@ -3,7 +3,7 @@
  *  Broadcom B43legacy wireless driver
  *
  *  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
- *  Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
+ *  Copyright (c) 2005-2008 Stefano Brivio <stefano.brivio@polimi.it>
  *  Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de>
  *  Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
  *  Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
@@ -60,6 +60,8 @@ MODULE_AUTHOR("Stefano Brivio");
 MODULE_AUTHOR("Michael Buesch");
 MODULE_LICENSE("GPL");
 
+MODULE_FIRMWARE(B43legacy_SUPPORTED_FIRMWARE_ID);
+
 #if defined(CONFIG_B43LEGACY_DMA) && defined(CONFIG_B43LEGACY_PIO)
 static int modparam_pio;
 module_param_named(pio, modparam_pio, int, 0444);
@@ -1640,10 +1642,11 @@ static int b43legacy_upload_microcode(struct b43legacy_wldev *dev)
 		err = -EOPNOTSUPP;
 		goto error;
 	}
-	b43legacydbg(dev->wl, "Loading firmware version 0x%X, patch level %u "
-	       "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch,
-	       (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
-	       (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F, fwtime & 0x1F);
+	b43legacyinfo(dev->wl, "Loading firmware version 0x%X, patch level %u "
+		      "(20%.2i-%.2i-%.2i %.2i:%.2i:%.2i)\n", fwrev, fwpatch,
+		      (fwdate >> 12) & 0xF, (fwdate >> 8) & 0xF, fwdate & 0xFF,
+		      (fwtime >> 11) & 0x1F, (fwtime >> 5) & 0x3F,
+		      fwtime & 0x1F);
 
 	dev->fw.rev = fwrev;
 	dev->fw.patch = fwpatch;
@@ -3806,6 +3809,32 @@ static struct ssb_driver b43legacy_ssb_driver = {
 	.resume		= b43legacy_resume,
 };
 
+static void b43legacy_print_driverinfo(void)
+{
+	const char *feat_pci = "", *feat_leds = "", *feat_rfkill = "",
+		   *feat_pio = "", *feat_dma = "";
+
+#ifdef CONFIG_B43LEGACY_PCI_AUTOSELECT
+	feat_pci = "P";
+#endif
+#ifdef CONFIG_B43LEGACY_LEDS
+	feat_leds = "L";
+#endif
+#ifdef CONFIG_B43LEGACY_RFKILL
+	feat_rfkill = "R";
+#endif
+#ifdef CONFIG_B43LEGACY_PIO
+	feat_pio = "I";
+#endif
+#ifdef CONFIG_B43LEGACY_DMA
+	feat_dma = "D";
+#endif
+	printk(KERN_INFO "Broadcom 43xx driver loaded "
+	       "[ Features: %s%s%s%s%s, Firmware-ID: "
+	       B43legacy_SUPPORTED_FIRMWARE_ID " ]\n",
+	       feat_pci, feat_leds, feat_rfkill, feat_pio, feat_dma);
+}
+
 static int __init b43legacy_init(void)
 {
 	int err;
@@ -3816,6 +3845,8 @@ static int __init b43legacy_init(void)
 	if (err)
 		goto err_dfs_exit;
 
+	b43legacy_print_driverinfo();
+
 	return err;
 
 err_dfs_exit:

drivers/net/wireless/ipw2200.c

@@ -3365,7 +3365,6 @@ static void ipw_rx_queue_reset(struct ipw_priv *priv,
 	/* Set us so that we have processed and used all buffers, but have
 	 * not restocked the Rx queue with fresh buffers */
 	rxq->read = rxq->write = 0;
-	rxq->processed = RX_QUEUE_SIZE - 1;
 	rxq->free_count = 0;
 	spin_unlock_irqrestore(&rxq->lock, flags);
 }
@@ -3607,7 +3606,22 @@ static int ipw_load(struct ipw_priv *priv)
  * Driver allocates buffers of this size for Rx
  */
 
-static inline int ipw_queue_space(const struct clx2_queue *q)
+/**
+ * ipw_rx_queue_space - Return number of free slots available in queue.
+ */
+static int ipw_rx_queue_space(const struct ipw_rx_queue *q)
+{
+	int s = q->read - q->write;
+	if (s <= 0)
+		s += RX_QUEUE_SIZE;
+	/* keep some buffer to not confuse full and empty queue */
+	s -= 2;
+	if (s < 0)
+		s = 0;
+	return s;
+}
+
+static inline int ipw_tx_queue_space(const struct clx2_queue *q)
 {
 	int s = q->last_used - q->first_empty;
 	if (s <= 0)
@@ -4947,7 +4961,7 @@ static int ipw_queue_tx_reclaim(struct ipw_priv *priv,
 		priv->tx_packets++;
 	}
       done:
-	if ((ipw_queue_space(q) > q->low_mark) &&
+	if ((ipw_tx_queue_space(q) > q->low_mark) &&
 	    (qindex >= 0) &&
 	    (priv->status & STATUS_ASSOCIATED) && netif_running(priv->net_dev))
 		netif_wake_queue(priv->net_dev);
@@ -4965,7 +4979,7 @@ static int ipw_queue_tx_hcmd(struct ipw_priv *priv, int hcmd, void *buf,
 	struct clx2_queue *q = &txq->q;
 	struct tfd_frame *tfd;
 
-	if (ipw_queue_space(q) < (sync ? 1 : 2)) {
+	if (ipw_tx_queue_space(q) < (sync ? 1 : 2)) {
 		IPW_ERROR("No space for Tx\n");
 		return -EBUSY;
 	}
@@ -5070,7 +5084,7 @@ static void ipw_rx_queue_restock(struct ipw_priv *priv)
 
 	spin_lock_irqsave(&rxq->lock, flags);
 	write = rxq->write;
-	while ((rxq->write != rxq->processed) && (rxq->free_count)) {
+	while ((ipw_rx_queue_space(rxq) > 0) && (rxq->free_count)) {
 		element = rxq->rx_free.next;
 		rxb = list_entry(element, struct ipw_rx_mem_buffer, list);
 		list_del(element);
@@ -5187,7 +5201,6 @@ static struct ipw_rx_queue *ipw_rx_queue_alloc(struct ipw_priv *priv)
 	/* Set us so that we have processed and used all buffers, but have
 	 * not restocked the Rx queue with fresh buffers */
 	rxq->read = rxq->write = 0;
-	rxq->processed = RX_QUEUE_SIZE - 1;
 	rxq->free_count = 0;
 
 	return rxq;
@@ -8223,13 +8236,17 @@ static void ipw_rx(struct ipw_priv *priv)
 	struct ieee80211_hdr_4addr *header;
 	u32 r, w, i;
 	u8 network_packet;
+	u8 fill_rx = 0;
 	DECLARE_MAC_BUF(mac);
 	DECLARE_MAC_BUF(mac2);
 	DECLARE_MAC_BUF(mac3);
 
 	r = ipw_read32(priv, IPW_RX_READ_INDEX);
 	w = ipw_read32(priv, IPW_RX_WRITE_INDEX);
-	i = (priv->rxq->processed + 1) % RX_QUEUE_SIZE;
+	i = priv->rxq->read;
+
+	if (ipw_rx_queue_space (priv->rxq) > (RX_QUEUE_SIZE / 2))
+		fill_rx = 1;
 
 	while (i != r) {
 		rxb = priv->rxq->queue[i];
@@ -8404,11 +8421,17 @@ static void ipw_rx(struct ipw_priv *priv)
 		list_add_tail(&rxb->list, &priv->rxq->rx_used);
 
 		i = (i + 1) % RX_QUEUE_SIZE;
+
+		/* If there are a lot of unsued frames, restock the Rx queue
+		 * so the ucode won't assert */
+		if (fill_rx) {
+			priv->rxq->read = i;
+			ipw_rx_queue_replenish(priv);
+		}
 	}
 
 	/* Backtrack one entry */
-	priv->rxq->processed = (i ? i : RX_QUEUE_SIZE) - 1;
-
+	priv->rxq->read = i;
 	ipw_rx_queue_restock(priv);
 }
 
@@ -10336,7 +10359,7 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb,
 	q->first_empty = ipw_queue_inc_wrap(q->first_empty, q->n_bd);
 	ipw_write32(priv, q->reg_w, q->first_empty);
 
-	if (ipw_queue_space(q) < q->high_mark)
+	if (ipw_tx_queue_space(q) < q->high_mark)
 		netif_stop_queue(priv->net_dev);
 
 	return NETDEV_TX_OK;
@@ -10357,7 +10380,7 @@ static int ipw_net_is_queue_full(struct net_device *dev, int pri)
 	struct clx2_tx_queue *txq = &priv->txq[0];
 #endif				/* CONFIG_IPW2200_QOS */
 
-	if (ipw_queue_space(&txq->q) < txq->q.high_mark)
+	if (ipw_tx_queue_space(&txq->q) < txq->q.high_mark)
 		return 1;
 
 	return 0;

drivers/net/wireless/iwlwifi/iwl3945-base.c

@@ -687,6 +687,12 @@ static int iwl3945_enqueue_hcmd(struct iwl3945_priv *priv, struct iwl3945_host_c
 	BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) &&
 	       !(cmd->meta.flags & CMD_SIZE_HUGE));
 
+
+	if (iwl3945_is_rfkill(priv)) {
+		IWL_DEBUG_INFO("Not sending command - RF KILL");
+		return -EIO;
+	}
+
 	if (iwl3945_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) {
 		IWL_ERROR("No space for Tx\n");
 		return -ENOSPC;
@@ -1580,7 +1586,7 @@ static inline int iwl3945_eeprom_acquire_semaphore(struct iwl3945_priv *priv)
  */
 int iwl3945_eeprom_init(struct iwl3945_priv *priv)
 {
-	__le16 *e = (__le16 *)&priv->eeprom;
+	u16 *e = (u16 *)&priv->eeprom;
 	u32 gp = iwl3945_read32(priv, CSR_EEPROM_GP);
 	u32 r;
 	int sz = sizeof(priv->eeprom);
@@ -1623,7 +1629,7 @@ int iwl3945_eeprom_init(struct iwl3945_priv *priv)
 			IWL_ERROR("Time out reading EEPROM[%d]", addr);
 			return -ETIMEDOUT;
 		}
-		e[addr / 2] = cpu_to_le16(r >> 16);
+		e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16));
 	}
 
 	return 0;
@@ -2806,7 +2812,8 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv,
 #endif
 
 	/* drop all data frame if we are not associated */
-	if ((!iwl3945_is_associated(priv) || !priv->assoc_id) &&
+	if ((!iwl3945_is_associated(priv) ||
+	     ((priv->iw_mode == IEEE80211_IF_TYPE_STA) && !priv->assoc_id)) &&
 	    ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) {
 		IWL_DEBUG_DROP("Dropping - !iwl3945_is_associated\n");
 		goto drop_unlock;
@@ -4281,7 +4288,7 @@ static void iwl3945_rx_handle(struct iwl3945_priv *priv)
 	int reclaim;
 	unsigned long flags;
 	u8 fill_rx = 0;
-	u32 count = 0;
+	u32 count = 8;
 
 	/* uCode's read index (stored in shared DRAM) indicates the last Rx
 	 * buffer that the driver may process (last buffer filled by ucode). */
@@ -6256,6 +6263,8 @@ static void __iwl3945_down(struct iwl3945_priv *priv)
 					STATUS_RF_KILL_HW |
 			       test_bit(STATUS_RF_KILL_SW, &priv->status) <<
 					STATUS_RF_KILL_SW |
+			       test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
+					STATUS_GEO_CONFIGURED |
 			       test_bit(STATUS_IN_SUSPEND, &priv->status) <<
 					STATUS_IN_SUSPEND;
 		goto exit;
@@ -6267,6 +6276,8 @@ static void __iwl3945_down(struct iwl3945_priv *priv)
 				STATUS_RF_KILL_HW |
 			test_bit(STATUS_RF_KILL_SW, &priv->status) <<
 				STATUS_RF_KILL_SW |
+			test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
+				STATUS_GEO_CONFIGURED |
 			test_bit(STATUS_IN_SUSPEND, &priv->status) <<
 				STATUS_IN_SUSPEND |
 			test_bit(STATUS_FW_ERROR, &priv->status) <<

drivers/net/wireless/iwlwifi/iwl4965-base.c

@@ -692,6 +692,11 @@ static int iwl4965_enqueue_hcmd(struct iwl4965_priv *priv, struct iwl4965_host_c
 	BUG_ON((fix_size > TFD_MAX_PAYLOAD_SIZE) &&
 	       !(cmd->meta.flags & CMD_SIZE_HUGE));
 
+	if (iwl4965_is_rfkill(priv)) {
+		IWL_DEBUG_INFO("Not sending command - RF KILL");
+		return -EIO;
+	}
+
 	if (iwl4965_queue_space(q) < ((cmd->meta.flags & CMD_ASYNC) ? 2 : 1)) {
 		IWL_ERROR("No space for Tx\n");
 		return -ENOSPC;
@@ -1654,7 +1659,7 @@ static inline void iwl4965_eeprom_release_semaphore(struct iwl4965_priv *priv)
  */
 int iwl4965_eeprom_init(struct iwl4965_priv *priv)
 {
-	__le16 *e = (__le16 *)&priv->eeprom;
+	u16 *e = (u16 *)&priv->eeprom;
 	u32 gp = iwl4965_read32(priv, CSR_EEPROM_GP);
 	u32 r;
 	int sz = sizeof(priv->eeprom);
@@ -1698,7 +1703,7 @@ int iwl4965_eeprom_init(struct iwl4965_priv *priv)
 			rc = -ETIMEDOUT;
 			goto done;
 		}
-		e[addr / 2] = cpu_to_le16(r >> 16);
+		e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16));
 	}
 	rc = 0;
 
@@ -2935,7 +2940,7 @@ static int iwl4965_tx_skb(struct iwl4965_priv *priv,
 	/* drop all data frame if we are not associated */
 	if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) &&
 	   (!iwl4965_is_associated(priv) ||
-	    !priv->assoc_id ||
+	    ((priv->iw_mode == IEEE80211_IF_TYPE_STA) && !priv->assoc_id) ||
 	    !priv->assoc_station_added)) {
 		IWL_DEBUG_DROP("Dropping - !iwl4965_is_associated\n");
 		goto drop_unlock;
@@ -4664,7 +4669,7 @@ static void iwl4965_rx_handle(struct iwl4965_priv *priv)
 	int reclaim;
 	unsigned long flags;
 	u8 fill_rx = 0;
-	u32 count = 0;
+	u32 count = 8;
 
 	/* uCode's read index (stored in shared DRAM) indicates the last Rx
 	 * buffer that the driver may process (last buffer filled by ucode). */
@@ -6680,6 +6685,8 @@ static void __iwl4965_down(struct iwl4965_priv *priv)
 					STATUS_RF_KILL_HW |
 			       test_bit(STATUS_RF_KILL_SW, &priv->status) <<
 					STATUS_RF_KILL_SW |
+			       test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
+					STATUS_GEO_CONFIGURED |
 			       test_bit(STATUS_IN_SUSPEND, &priv->status) <<
 					STATUS_IN_SUSPEND;
 		goto exit;
@@ -6691,6 +6698,8 @@ static void __iwl4965_down(struct iwl4965_priv *priv)
 				STATUS_RF_KILL_HW |
 			test_bit(STATUS_RF_KILL_SW, &priv->status) <<
 				STATUS_RF_KILL_SW |
+			test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
+				STATUS_GEO_CONFIGURED |
 			test_bit(STATUS_IN_SUSPEND, &priv->status) <<
 				STATUS_IN_SUSPEND |
 			test_bit(STATUS_FW_ERROR, &priv->status) <<

drivers/net/wireless/rndis_wlan.c

@@ -2300,7 +2300,7 @@ static void rndis_update_wireless_stats(struct work_struct *work)
 	struct usbnet *usbdev = priv->usbdev;
 	struct iw_statistics iwstats;
 	__le32 rssi, tmp;
-	int len, ret, bitrate, j;
+	int len, ret, j;
 	unsigned long flags;
 	int update_jiffies = STATS_UPDATE_JIFFIES;
 	void *buf;
@@ -2352,14 +2352,10 @@ static void rndis_update_wireless_stats(struct work_struct *work)
 	if (ret == 0)
 		iwstats.discard.misc += le32_to_cpu(tmp);
 
-	/* Workaround transfer stalls on poor quality links. */
-	len = sizeof(tmp);
-	ret = rndis_query_oid(usbdev, OID_GEN_LINK_SPEED, &tmp, &len);
-	if (ret == 0) {
-		bitrate = le32_to_cpu(tmp) * 100;
-		if (bitrate > 11000000)
-			goto end;
-
+	/* Workaround transfer stalls on poor quality links.
+	 * TODO: find right way to fix these stalls (as stalls do not happen
+	 * with ndiswrapper/windows driver). */
+	if (iwstats.qual.qual <= 25) {
 		/* Decrease stats worker interval to catch stalls.
 		 * faster. Faster than 400-500ms causes packet loss,
 		 * Slower doesn't catch stalls fast enough.

drivers/net/wireless/rt2x00/rt2500usb.c

@@ -1839,11 +1839,11 @@ static struct usb_device_id rt2500usb_device_table[] = {
 	/* Hercules */
 	{ USB_DEVICE(0x06f8, 0xe000), USB_DEVICE_DATA(&rt2500usb_ops) },
 	/* Melco */
+	{ USB_DEVICE(0x0411, 0x005e), USB_DEVICE_DATA(&rt2500usb_ops) },
 	{ USB_DEVICE(0x0411, 0x0066), USB_DEVICE_DATA(&rt2500usb_ops) },
 	{ USB_DEVICE(0x0411, 0x0067), USB_DEVICE_DATA(&rt2500usb_ops) },
 	{ USB_DEVICE(0x0411, 0x008b), USB_DEVICE_DATA(&rt2500usb_ops) },
 	{ USB_DEVICE(0x0411, 0x0097), USB_DEVICE_DATA(&rt2500usb_ops) },
-
 	/* MSI */
 	{ USB_DEVICE(0x0db0, 0x6861), USB_DEVICE_DATA(&rt2500usb_ops) },
 	{ USB_DEVICE(0x0db0, 0x6865), USB_DEVICE_DATA(&rt2500usb_ops) },

drivers/net/wireless/wavelan.h

@@ -85,7 +85,7 @@ union hacs_u
 #define		HASR_MMC_INTR		0x0002	/* Interrupt request from MMC */
 #define		HASR_MMC_BUSY		0x0004	/* MMC busy indication */
 #define		HASR_PSA_BUSY		0x0008	/* LAN parameter storage area busy */
-};
+} __attribute__ ((packed));
 
 typedef struct ha_t	ha_t;
 struct ha_t
@@ -292,7 +292,7 @@ struct mmw_t
 #define	MMW_EXT_ANT_INTERNAL	0x00	/* Internal antenna */
 #define	MMW_EXT_ANT_EXTERNAL	0x03	/* External antenna */
 #define	MMW_EXT_ANT_IQ_TEST	0x1C	/* IQ test pattern (set to 0) */
-};
+} __attribute__ ((packed));
 
 #define	MMW_SIZE	37
 
@@ -347,7 +347,7 @@ struct mmr_t
   unsigned char	mmr_unused4[1];		/* unused */
   unsigned char	mmr_fee_data_l;		/* Read data from EEPROM (low) */
   unsigned char	mmr_fee_data_h;		/* Read data from EEPROM (high) */
-};
+} __attribute__ ((packed));
 
 #define	MMR_SIZE	36
 

net/mac80211/ieee80211.c

@@ -165,6 +165,7 @@ static int ieee80211_open(struct net_device *dev)
 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
 	struct ieee80211_if_init_conf conf;
 	int res;
+	bool need_hw_reconfig = 0;
 
 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
@@ -218,7 +219,7 @@ static int ieee80211_open(struct net_device *dev)
 			res = local->ops->start(local_to_hw(local));
 		if (res)
 			return res;
-		ieee80211_hw_config(local);
+		need_hw_reconfig = 1;
 		ieee80211_led_radio(local, local->hw.conf.radio_enabled);
 	}
 
@@ -282,6 +283,8 @@ static int ieee80211_open(struct net_device *dev)
 		atomic_inc(&local->iff_promiscs);
 
 	local->open_count++;
+	if (need_hw_reconfig)
+		ieee80211_hw_config(local);
 
 	netif_start_queue(dev);