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

Conflicts:
	arch/sparc64/kernel/idprom.c

1 files changed, 271 insertions, 172 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index d3bf7bba611a..30028e2422fc 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -36,6 +36,13 @@
 #include "rt2500usb.h"
 
 /*
+ * Allow hardware encryption to be disabled.
+ */
+static int modparam_nohwcrypt = 1;
+module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+
+/*
  * Register access.
  * All access to the CSR registers will go through the methods
  * rt2500usb_register_read and rt2500usb_register_write.
@@ -47,7 +54,7 @@
  * between each attampt. When the busy bit is still set at that time,
  * the access attempt is considered to have failed,
  * and we will print an error.
- * If the usb_cache_mutex is already held then the _lock variants must
+ * If the csr_mutex is already held then the _lock variants must
  * be used instead.
  */
 static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
@@ -57,7 +64,7 @@ static inline void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
 	__le16 reg;
 	rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
 				      USB_VENDOR_REQUEST_IN, offset,
-				      &reg, sizeof(u16), REGISTER_TIMEOUT);
+				      &reg, sizeof(reg), REGISTER_TIMEOUT);
 	*value = le16_to_cpu(reg);
 }
 
@@ -68,7 +75,7 @@ static inline void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
 	__le16 reg;
 	rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
 				       USB_VENDOR_REQUEST_IN, offset,
-				       &reg, sizeof(u16), REGISTER_TIMEOUT);
+				       &reg, sizeof(reg), REGISTER_TIMEOUT);
 	*value = le16_to_cpu(reg);
 }
 
@@ -89,7 +96,7 @@ static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
 	__le16 reg = cpu_to_le16(value);
 	rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
 				      USB_VENDOR_REQUEST_OUT, offset,
-				      &reg, sizeof(u16), REGISTER_TIMEOUT);
+				      &reg, sizeof(reg), REGISTER_TIMEOUT);
 }
 
 static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
@@ -99,7 +106,7 @@ static inline void rt2500usb_register_write_lock(struct rt2x00_dev *rt2x00dev,
 	__le16 reg = cpu_to_le16(value);
 	rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_WRITE,
 				       USB_VENDOR_REQUEST_OUT, offset,
-				       &reg, sizeof(u16), REGISTER_TIMEOUT);
+				       &reg, sizeof(reg), REGISTER_TIMEOUT);
 }
 
 static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
@@ -112,53 +119,53 @@ static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 				      REGISTER_TIMEOUT16(length));
 }
 
-static u16 rt2500usb_bbp_check(struct rt2x00_dev *rt2x00dev)
+static int rt2500usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
+				  const unsigned int offset,
+				  struct rt2x00_field16 field,
+				  u16 *reg)
 {
-	u16 reg;
 	unsigned int i;
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2500usb_register_read_lock(rt2x00dev, PHY_CSR8, &reg);
-		if (!rt2x00_get_field16(reg, PHY_CSR8_BUSY))
-			break;
+		rt2500usb_register_read_lock(rt2x00dev, offset, reg);
+		if (!rt2x00_get_field16(*reg, field))
+			return 1;
 		udelay(REGISTER_BUSY_DELAY);
 	}
 
-	return reg;
+	ERROR(rt2x00dev, "Indirect register access failed: "
+	      "offset=0x%.08x, value=0x%.08x\n", offset, *reg);
+	*reg = ~0;
+
+	return 0;
 }
 
+#define WAIT_FOR_BBP(__dev, __reg) \
+	rt2500usb_regbusy_read((__dev), PHY_CSR8, PHY_CSR8_BUSY, (__reg))
+#define WAIT_FOR_RF(__dev, __reg) \
+	rt2500usb_regbusy_read((__dev), PHY_CSR10, PHY_CSR10_RF_BUSY, (__reg))
+
 static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 				const unsigned int word, const u8 value)
 {
 	u16 reg;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
+	mutex_lock(&rt2x00dev->csr_mutex);
 
 	/*
-	 * Wait until the BBP becomes ready.
+	 * Wait until the BBP becomes available, afterwards we
+	 * can safely write the new data into the register.
 	 */
-	reg = rt2500usb_bbp_check(rt2x00dev);
-	if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
-		goto exit_fail;
-
-	/*
-	 * Write the data into the BBP.
-	 */
-	reg = 0;
-	rt2x00_set_field16(&reg, PHY_CSR7_DATA, value);
-	rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
-	rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 0);
-
-	rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
-
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
-
-	return;
+	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field16(&reg, PHY_CSR7_DATA, value);
+		rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
+		rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 0);
 
-exit_fail:
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+		rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
+	}
 
-	ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
+	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
 static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
@@ -166,122 +173,107 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 {
 	u16 reg;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
+	mutex_lock(&rt2x00dev->csr_mutex);
 
 	/*
-	 * Wait until the BBP becomes ready.
+	 * Wait until the BBP becomes available, afterwards we
+	 * can safely write the read request into the register.
+	 * After the data has been written, we wait until hardware
+	 * returns the correct value, if at any time the register
+	 * doesn't become available in time, reg will be 0xffffffff
+	 * which means we return 0xff to the caller.
 	 */
-	reg = rt2500usb_bbp_check(rt2x00dev);
-	if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
-		goto exit_fail;
-
-	/*
-	 * Write the request into the BBP.
-	 */
-	reg = 0;
-	rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
-	rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 1);
+	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field16(&reg, PHY_CSR7_REG_ID, word);
+		rt2x00_set_field16(&reg, PHY_CSR7_READ_CONTROL, 1);
 
-	rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
+		rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 
-	/*
-	 * Wait until the BBP becomes ready.
-	 */
-	reg = rt2500usb_bbp_check(rt2x00dev);
-	if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
-		goto exit_fail;
+		if (WAIT_FOR_BBP(rt2x00dev, &reg))
+			rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
+	}
 
-	rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
 	*value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
 
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
-
-	return;
-
-exit_fail:
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
-
-	ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
-	*value = 0xff;
+	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
 static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
 			       const unsigned int word, const u32 value)
 {
 	u16 reg;
-	unsigned int i;
 
 	if (!word)
 		return;
 
-	mutex_lock(&rt2x00dev->usb_cache_mutex);
-
-	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
-		rt2500usb_register_read_lock(rt2x00dev, PHY_CSR10, &reg);
-		if (!rt2x00_get_field16(reg, PHY_CSR10_RF_BUSY))
-			goto rf_write;
-		udelay(REGISTER_BUSY_DELAY);
-	}
+	mutex_lock(&rt2x00dev->csr_mutex);
 
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
-	ERROR(rt2x00dev, "PHY_CSR10 register busy. Write failed.\n");
-	return;
-
-rf_write:
-	reg = 0;
-	rt2x00_set_field16(&reg, PHY_CSR9_RF_VALUE, value);
-	rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg);
+	/*
+	 * Wait until the RF becomes available, afterwards we
+	 * can safely write the new data into the register.
+	 */
+	if (WAIT_FOR_RF(rt2x00dev, &reg)) {
+		reg = 0;
+		rt2x00_set_field16(&reg, PHY_CSR9_RF_VALUE, value);
+		rt2500usb_register_write_lock(rt2x00dev, PHY_CSR9, reg);
 
-	reg = 0;
-	rt2x00_set_field16(&reg, PHY_CSR10_RF_VALUE, value >> 16);
-	rt2x00_set_field16(&reg, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
-	rt2x00_set_field16(&reg, PHY_CSR10_RF_IF_SELECT, 0);
-	rt2x00_set_field16(&reg, PHY_CSR10_RF_BUSY, 1);
+		reg = 0;
+		rt2x00_set_field16(&reg, PHY_CSR10_RF_VALUE, value >> 16);
+		rt2x00_set_field16(&reg, PHY_CSR10_RF_NUMBER_OF_BITS, 20);
+		rt2x00_set_field16(&reg, PHY_CSR10_RF_IF_SELECT, 0);
+		rt2x00_set_field16(&reg, PHY_CSR10_RF_BUSY, 1);
 
-	rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
-	rt2x00_rf_write(rt2x00dev, word, value);
+		rt2500usb_register_write_lock(rt2x00dev, PHY_CSR10, reg);
+		rt2x00_rf_write(rt2x00dev, word, value);
+	}
 
-	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+	mutex_unlock(&rt2x00dev->csr_mutex);
 }
 
 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
-#define CSR_OFFSET(__word)	( CSR_REG_BASE + ((__word) * sizeof(u16)) )
-
-static void rt2500usb_read_csr(struct rt2x00_dev *rt2x00dev,
-			       const unsigned int word, u32 *data)
+static void _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
+				     const unsigned int offset,
+				     u32 *value)
 {
-	rt2500usb_register_read(rt2x00dev, CSR_OFFSET(word), (u16 *) data);
+	rt2500usb_register_read(rt2x00dev, offset, (u16 *)value);
 }
 
-static void rt2500usb_write_csr(struct rt2x00_dev *rt2x00dev,
-				const unsigned int word, u32 data)
+static void _rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
+				      const unsigned int offset,
+				      u32 value)
 {
-	rt2500usb_register_write(rt2x00dev, CSR_OFFSET(word), data);
+	rt2500usb_register_write(rt2x00dev, offset, value);
 }
 
 static const struct rt2x00debug rt2500usb_rt2x00debug = {
 	.owner	= THIS_MODULE,
 	.csr	= {
-		.read		= rt2500usb_read_csr,
-		.write		= rt2500usb_write_csr,
+		.read		= _rt2500usb_register_read,
+		.write		= _rt2500usb_register_write,
+		.flags		= RT2X00DEBUGFS_OFFSET,
+		.word_base	= CSR_REG_BASE,
 		.word_size	= sizeof(u16),
 		.word_count	= CSR_REG_SIZE / sizeof(u16),
 	},
 	.eeprom	= {
 		.read		= rt2x00_eeprom_read,
 		.write		= rt2x00_eeprom_write,
+		.word_base	= EEPROM_BASE,
 		.word_size	= sizeof(u16),
 		.word_count	= EEPROM_SIZE / sizeof(u16),
 	},
 	.bbp	= {
 		.read		= rt2500usb_bbp_read,
 		.write		= rt2500usb_bbp_write,
+		.word_base	= BBP_BASE,
 		.word_size	= sizeof(u8),
 		.word_count	= BBP_SIZE / sizeof(u8),
 	},
 	.rf	= {
 		.read		= rt2x00_rf_read,
 		.write		= rt2500usb_rf_write,
+		.word_base	= RF_BASE,
 		.word_size	= sizeof(u32),
 		.word_count	= RF_SIZE / sizeof(u32),
 	},
@@ -338,6 +330,82 @@ static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev,
 /*
  * Configuration handlers.
  */
+
+/*
+ * rt2500usb does not differentiate between shared and pairwise
+ * keys, so we should use the same function for both key types.
+ */
+static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
+				struct rt2x00lib_crypto *crypto,
+				struct ieee80211_key_conf *key)
+{
+	int timeout;
+	u32 mask;
+	u16 reg;
+
+	if (crypto->cmd == SET_KEY) {
+		/*
+		 * Pairwise key will always be entry 0, but this
+		 * could collide with a shared key on the same
+		 * position...
+		 */
+		mask = TXRX_CSR0_KEY_ID.bit_mask;
+
+		rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+		reg &= mask;
+
+		if (reg && reg == mask)
+			return -ENOSPC;
+
+		reg = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
+
+		key->hw_key_idx += reg ? ffz(reg) : 0;
+
+		/*
+		 * The encryption key doesn't fit within the CSR cache,
+		 * this means we should allocate it seperately and use
+		 * rt2x00usb_vendor_request() to send the key to the hardware.
+		 */
+		reg = KEY_ENTRY(key->hw_key_idx);
+		timeout = REGISTER_TIMEOUT32(sizeof(crypto->key));
+		rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
+						    USB_VENDOR_REQUEST_OUT, reg,
+						    crypto->key,
+						    sizeof(crypto->key),
+						    timeout);
+
+		/*
+		 * The driver does not support the IV/EIV generation
+		 * in hardware. However it doesn't support the IV/EIV
+		 * inside the ieee80211 frame either, but requires it
+		 * to be provided seperately for the descriptor.
+		 * rt2x00lib will cut the IV/EIV data out of all frames
+		 * given to us by mac80211, but we must tell mac80211
+		 * to generate the IV/EIV data.
+		 */
+		key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+		key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+	}
+
+	/*
+	 * TXRX_CSR0_KEY_ID contains only single-bit fields to indicate
+	 * a particular key is valid.
+	 */
+	rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+	rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, crypto->cipher);
+	rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
+
+	mask = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
+	if (crypto->cmd == SET_KEY)
+		mask |= 1 << key->hw_key_idx;
+	else if (crypto->cmd == DISABLE_KEY)
+		mask &= ~(1 << key->hw_key_idx);
+	rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, mask);
+	rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+	return 0;
+}
+
 static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
 				    const unsigned int filter_flags)
 {
@@ -380,7 +448,7 @@ static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
 		/*
 		 * Enable beacon config
 		 */
-		bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+		bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
 		rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
 		rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
 		rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
@@ -423,57 +491,16 @@ static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
 			   !!erp->short_preamble);
 	rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
-}
-
-static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
-				     const int basic_rate_mask)
-{
-	rt2500usb_register_write(rt2x00dev, TXRX_CSR11, basic_rate_mask);
-}
-
-static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
-				     struct rf_channel *rf, const int txpower)
-{
-	/*
-	 * Set TXpower.
-	 */
-	rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
-
-	/*
-	 * For RT2525E we should first set the channel to half band higher.
-	 */
-	if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
-		static const u32 vals[] = {
-			0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
-			0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
-			0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
-			0x00000902, 0x00000906
-		};
-
-		rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
-		if (rf->rf4)
-			rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
-	}
-
-	rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
-	rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
-	rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
-	if (rf->rf4)
-		rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
-}
 
-static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
-				     const int txpower)
-{
-	u32 rf3;
+	rt2500usb_register_write(rt2x00dev, TXRX_CSR11, erp->basic_rates);
 
-	rt2x00_rf_read(rt2x00dev, 3, &rf3);
-	rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
-	rt2500usb_rf_write(rt2x00dev, 3, rf3);
+	rt2500usb_register_write(rt2x00dev, MAC_CSR10, erp->slot_time);
+	rt2500usb_register_write(rt2x00dev, MAC_CSR11, erp->sifs);
+	rt2500usb_register_write(rt2x00dev, MAC_CSR12, erp->eifs);
 }
 
-static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
-				     struct antenna_setup *ant)
+static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev,
+				 struct antenna_setup *ant)
 {
 	u8 r2;
 	u8 r14;
@@ -555,15 +582,52 @@ static void rt2500usb_config_antenna(struct rt2x00_dev *rt2x00dev,
 	rt2500usb_register_write(rt2x00dev, PHY_CSR6, csr6);
 }
 
+static void rt2500usb_config_channel(struct rt2x00_dev *rt2x00dev,
+				     struct rf_channel *rf, const int txpower)
+{
+	/*
+	 * Set TXpower.
+	 */
+	rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
+
+	/*
+	 * For RT2525E we should first set the channel to half band higher.
+	 */
+	if (rt2x00_rf(&rt2x00dev->chip, RF2525E)) {
+		static const u32 vals[] = {
+			0x000008aa, 0x000008ae, 0x000008ae, 0x000008b2,
+			0x000008b2, 0x000008b6, 0x000008b6, 0x000008ba,
+			0x000008ba, 0x000008be, 0x000008b7, 0x00000902,
+			0x00000902, 0x00000906
+		};
+
+		rt2500usb_rf_write(rt2x00dev, 2, vals[rf->channel - 1]);
+		if (rf->rf4)
+			rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
+	}
+
+	rt2500usb_rf_write(rt2x00dev, 1, rf->rf1);
+	rt2500usb_rf_write(rt2x00dev, 2, rf->rf2);
+	rt2500usb_rf_write(rt2x00dev, 3, rf->rf3);
+	if (rf->rf4)
+		rt2500usb_rf_write(rt2x00dev, 4, rf->rf4);
+}
+
+static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
+				     const int txpower)
+{
+	u32 rf3;
+
+	rt2x00_rf_read(rt2x00dev, 3, &rf3);
+	rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
+	rt2500usb_rf_write(rt2x00dev, 3, rf3);
+}
+
 static void rt2500usb_config_duration(struct rt2x00_dev *rt2x00dev,
 				      struct rt2x00lib_conf *libconf)
 {
 	u16 reg;
 
-	rt2500usb_register_write(rt2x00dev, MAC_CSR10, libconf->slot_time);
-	rt2500usb_register_write(rt2x00dev, MAC_CSR11, libconf->sifs);
-	rt2500usb_register_write(rt2x00dev, MAC_CSR12, libconf->eifs);
-
 	rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
 	rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
 			   libconf->conf->beacon_int * 4);
@@ -574,17 +638,14 @@ static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
 			     struct rt2x00lib_conf *libconf,
 			     const unsigned int flags)
 {
-	if (flags & CONFIG_UPDATE_PHYMODE)
-		rt2500usb_config_phymode(rt2x00dev, libconf->basic_rates);
-	if (flags & CONFIG_UPDATE_CHANNEL)
+	if (flags & IEEE80211_CONF_CHANGE_CHANNEL)
 		rt2500usb_config_channel(rt2x00dev, &libconf->rf,
 					 libconf->conf->power_level);
-	if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
+	if ((flags & IEEE80211_CONF_CHANGE_POWER) &&
+	    !(flags & IEEE80211_CONF_CHANGE_CHANNEL))
 		rt2500usb_config_txpower(rt2x00dev,
 					 libconf->conf->power_level);
-	if (flags & CONFIG_UPDATE_ANTENNA)
-		rt2500usb_config_antenna(rt2x00dev, &libconf->ant);
-	if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
+	if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
 		rt2500usb_config_duration(rt2x00dev, libconf);
 }
 
@@ -866,7 +927,7 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 
 	rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 	rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
-	rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0xff);
+	rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0);
 	rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
 
 	rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
@@ -1088,7 +1149,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	 * Start writing the descriptor words.
 	 */
 	rt2x00_desc_read(txd, 1, &word);
-	rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
+	rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
 	rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
 	rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
 	rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
@@ -1101,6 +1162,11 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
 	rt2x00_desc_write(txd, 2, word);
 
+	if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
+		_rt2x00_desc_write(txd, 3, skbdesc->iv[0]);
+		_rt2x00_desc_write(txd, 4, skbdesc->iv[1]);
+	}
+
 	rt2x00_desc_read(txd, 0, &word);
 	rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit);
 	rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
@@ -1115,7 +1181,8 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 			   test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
 	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
-	rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
+	rt2x00_set_field32(&word, TXD_W0_CIPHER, txdesc->cipher);
+	rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx);
 	rt2x00_desc_write(txd, 0, word);
 }
 
@@ -1130,7 +1197,7 @@ static void rt2500usb_write_beacon(struct queue_entry *entry)
 	struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
 	struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
-	int pipe = usb_sndbulkpipe(usb_dev, 1);
+	int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint);
 	int length;
 	u16 reg;
 
@@ -1156,7 +1223,7 @@ static void rt2500usb_write_beacon(struct queue_entry *entry)
 	 * length of the data to usb_fill_bulk_urb. Pass the skb
 	 * to the driver to determine what the length should be.
 	 */
-	length = rt2x00dev->ops->lib->get_tx_data_len(rt2x00dev, entry->skb);
+	length = rt2x00dev->ops->lib->get_tx_data_len(entry);
 
 	usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe,
 			  entry->skb->data, length, rt2500usb_beacondone,
@@ -1178,8 +1245,7 @@ static void rt2500usb_write_beacon(struct queue_entry *entry)
 	usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC);
 }
 
-static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
-				     struct sk_buff *skb)
+static int rt2500usb_get_tx_data_len(struct queue_entry *entry)
 {
 	int length;
 
@@ -1187,8 +1253,8 @@ static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
 	 * The length _must_ be a multiple of 2,
 	 * but it must _not_ be a multiple of the USB packet size.
 	 */
-	length = roundup(skb->len, 2);
-	length += (2 * !(length % rt2x00dev->usb_maxpacket));
+	length = roundup(entry->skb->len, 2);
+	length += (2 * !(length % entry->queue->usb_maxpacket));
 
 	return length;
 }
@@ -1227,6 +1293,7 @@ static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
 				  struct rxdone_entry_desc *rxdesc)
 {
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 	struct queue_entry_priv_usb *entry_priv = entry->priv_data;
 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 	__le32 *rxd =
@@ -1254,6 +1321,33 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry,
 	if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
 		rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
 
+	if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
+		rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER);
+		if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR))
+			rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY;
+	}
+
+	if (rxdesc->cipher != CIPHER_NONE) {
+		_rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
+		_rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
+		rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
+
+		/* ICV is located at the end of frame */
+
+		/*
+		 * Hardware has stripped IV/EIV data from 802.11 frame during
+		 * decryption. It has provided the data seperately but rt2x00lib
+		 * should decide if it should be reinserted.
+		 */
+		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
+		if (rxdesc->cipher != CIPHER_TKIP)
+			rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
+		if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
+			rxdesc->flags |= RX_FLAG_DECRYPTED;
+		else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
+			rxdesc->flags |= RX_FLAG_MMIC_ERROR;
+	}
+
 	/*
 	 * Obtain the status about this packet.
 	 * When frame was received with an OFDM bitrate,
@@ -1261,8 +1355,8 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry,
 	 * a CCK bitrate the signal is the rate in 100kbit/s.
 	 */
 	rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
-	rxdesc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) -
-	    entry->queue->rt2x00dev->rssi_offset;
+	rxdesc->rssi =
+	    rt2x00_get_field32(word1, RXD_W1_RSSI) - rt2x00dev->rssi_offset;
 	rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
 
 	if (rt2x00_get_field32(word0, RXD_W0_OFDM))
@@ -1319,10 +1413,8 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
 	 */
 	mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
 	if (!is_valid_ether_addr(mac)) {
-		DECLARE_MAC_BUF(macbuf);
-
 		random_ether_addr(mac);
-		EEPROM(rt2x00dev, "MAC: %s\n", print_mac(macbuf, mac));
+		EEPROM(rt2x00dev, "MAC: %pM\n", mac);
 	}
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
@@ -1752,6 +1844,10 @@ static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 	__set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
 	__set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
 	__set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
+	if (!modparam_nohwcrypt) {
+		__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
+		__set_bit(CONFIG_CRYPTO_COPY_IV, &rt2x00dev->flags);
+	}
 	__set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
 
 	/*
@@ -1771,6 +1867,7 @@ static const struct ieee80211_ops rt2500usb_mac80211_ops = {
 	.config			= rt2x00mac_config,
 	.config_interface	= rt2x00mac_config_interface,
 	.configure_filter	= rt2x00mac_configure_filter,
+	.set_key		= rt2x00mac_set_key,
 	.get_stats		= rt2x00mac_get_stats,
 	.bss_info_changed	= rt2x00mac_bss_info_changed,
 	.conf_tx		= rt2x00mac_conf_tx,
@@ -1781,8 +1878,7 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
 	.probe_hw		= rt2500usb_probe_hw,
 	.initialize		= rt2x00usb_initialize,
 	.uninitialize		= rt2x00usb_uninitialize,
-	.init_rxentry		= rt2x00usb_init_rxentry,
-	.init_txentry		= rt2x00usb_init_txentry,
+	.clear_entry		= rt2x00usb_clear_entry,
 	.set_device_state	= rt2500usb_set_device_state,
 	.link_stats		= rt2500usb_link_stats,
 	.reset_tuner		= rt2500usb_reset_tuner,
@@ -1793,9 +1889,12 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
 	.get_tx_data_len	= rt2500usb_get_tx_data_len,
 	.kick_tx_queue		= rt2500usb_kick_tx_queue,
 	.fill_rxdone		= rt2500usb_fill_rxdone,
+	.config_shared_key	= rt2500usb_config_key,
+	.config_pairwise_key	= rt2500usb_config_key,
 	.config_filter		= rt2500usb_config_filter,
 	.config_intf		= rt2500usb_config_intf,
 	.config_erp		= rt2500usb_config_erp,
+	.config_ant		= rt2500usb_config_ant,
 	.config			= rt2500usb_config,
 };