Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1480 commits)
  bonding: enable netpoll without checking link status
  xfrm: Refcount destination entry on xfrm_lookup
  net: introduce rx_handler results and logic around that
  bonding: get rid of IFF_SLAVE_INACTIVE netdev->priv_flag
  bonding: wrap slave state work
  net: get rid of multiple bond-related netdevice->priv_flags
  bonding: register slave pointer for rx_handler
  be2net: Bump up the version number
  be2net: Copyright notice change. Update to Emulex instead of ServerEngines
  e1000e: fix kconfig for crc32 dependency
  netfilter ebtables: fix xt_AUDIT to work with ebtables
  xen network backend driver
  bonding: Improve syslog message at device creation time
  bonding: Call netif_carrier_off after register_netdevice
  bonding: Incorrect TX queue offset
  net_sched: fix ip_tos2prio
  xfrm: fix __xfrm_route_forward()
  be2net: Fix UDP packet detected status in RX compl
  Phonet: fix aligned-mode pipe socket buffer header reserve
  netxen: support for GbE port settings
  ...

Fix up conflicts in drivers/staging/brcm80211/brcmsmac/wl_mac80211.c
with the staging updates.

1 files changed, 148 insertions, 91 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index 3b3f1e45ab3..808073aa9dc 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -200,11 +200,22 @@ static void rt2800pci_start_queue(struct data_queue *queue)
 		rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
 		break;
 	case QID_BEACON:
+		/*
+		 * Allow beacon tasklets to be scheduled for periodic
+		 * beacon updates.
+		 */
+		tasklet_enable(&rt2x00dev->tbtt_tasklet);
+		tasklet_enable(&rt2x00dev->pretbtt_tasklet);
+
 		rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
 		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+
+		rt2800_register_read(rt2x00dev, INT_TIMER_EN, &reg);
+		rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 1);
+		rt2800_register_write(rt2x00dev, INT_TIMER_EN, reg);
 		break;
 	default:
 		break;
@@ -250,6 +261,16 @@ static void rt2800pci_stop_queue(struct data_queue *queue)
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
 		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
 		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
+
+		rt2800_register_read(rt2x00dev, INT_TIMER_EN, &reg);
+		rt2x00_set_field32(&reg, INT_TIMER_EN_PRE_TBTT_TIMER, 0);
+		rt2800_register_write(rt2x00dev, INT_TIMER_EN, reg);
+
+		/*
+		 * Wait for tbtt tasklets to finish.
+		 */
+		tasklet_disable(&rt2x00dev->tbtt_tasklet);
+		tasklet_disable(&rt2x00dev->pretbtt_tasklet);
 		break;
 	default:
 		break;
@@ -397,9 +418,9 @@ static int rt2800pci_init_queues(struct rt2x00_dev *rt2x00dev)
 static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
 				 enum dev_state state)
 {
-	int mask = (state == STATE_RADIO_IRQ_ON) ||
-		   (state == STATE_RADIO_IRQ_ON_ISR);
+	int mask = (state == STATE_RADIO_IRQ_ON);
 	u32 reg;
+	unsigned long flags;
 
 	/*
 	 * When interrupts are being enabled, the interrupt registers
@@ -408,8 +429,17 @@ static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
 	if (state == STATE_RADIO_IRQ_ON) {
 		rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
 		rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, reg);
+
+		/*
+		 * Enable tasklets. The beacon related tasklets are
+		 * enabled when the beacon queue is started.
+		 */
+		tasklet_enable(&rt2x00dev->txstatus_tasklet);
+		tasklet_enable(&rt2x00dev->rxdone_tasklet);
+		tasklet_enable(&rt2x00dev->autowake_tasklet);
 	}
 
+	spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
 	rt2800_register_read(rt2x00dev, INT_MASK_CSR, &reg);
 	rt2x00_set_field32(&reg, INT_MASK_CSR_RXDELAYINT, 0);
 	rt2x00_set_field32(&reg, INT_MASK_CSR_TXDELAYINT, 0);
@@ -430,6 +460,17 @@ static void rt2800pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&reg, INT_MASK_CSR_RX_COHERENT, 0);
 	rt2x00_set_field32(&reg, INT_MASK_CSR_TX_COHERENT, 0);
 	rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
+	spin_unlock_irqrestore(&rt2x00dev->irqmask_lock, flags);
+
+	if (state == STATE_RADIO_IRQ_OFF) {
+		/*
+		 * Ensure that all tasklets are finished before
+		 * disabling the interrupts.
+		 */
+		tasklet_disable(&rt2x00dev->txstatus_tasklet);
+		tasklet_disable(&rt2x00dev->rxdone_tasklet);
+		tasklet_disable(&rt2x00dev->autowake_tasklet);
+	}
 }
 
 static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
@@ -452,6 +493,13 @@ static int rt2800pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
 	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
 
+	if (rt2x00_rt(rt2x00dev, RT5390)) {
+		rt2800_register_read(rt2x00dev, AUX_CTRL, &reg);
+		rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
+		rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
+		rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
+	}
+
 	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
 
 	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
@@ -475,39 +523,23 @@ static int rt2800pci_enable_radio(struct rt2x00_dev *rt2x00dev)
 
 static void rt2800pci_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
-	u32 reg;
-
-	rt2800_disable_radio(rt2x00dev);
-
-	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00001280);
-
-	rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, &reg);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX0, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX1, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX2, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX3, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX4, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DTX_IDX5, 1);
-	rt2x00_set_field32(&reg, WPDMA_RST_IDX_DRX_IDX0, 1);
-	rt2800_register_write(rt2x00dev, WPDMA_RST_IDX, reg);
-
-	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e1f);
-	rt2800_register_write(rt2x00dev, PBF_SYS_CTRL, 0x00000e00);
+	if (rt2x00_is_soc(rt2x00dev)) {
+		rt2800_disable_radio(rt2x00dev);
+		rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0);
+		rt2800_register_write(rt2x00dev, TX_PIN_CFG, 0);
+	}
 }
 
 static int rt2800pci_set_state(struct rt2x00_dev *rt2x00dev,
 			       enum dev_state state)
 {
-	/*
-	 * Always put the device to sleep (even when we intend to wakeup!)
-	 * if the device is booting and wasn't asleep it will return
-	 * failure when attempting to wakeup.
-	 */
-	rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0xff, 0xff, 2);
-
 	if (state == STATE_AWAKE) {
-		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0);
+		rt2800_mcu_request(rt2x00dev, MCU_WAKEUP, TOKEN_WAKUP, 0, 0x02);
 		rt2800pci_mcu_status(rt2x00dev, TOKEN_WAKUP);
+	} else if (state == STATE_SLEEP) {
+		rt2800_register_write(rt2x00dev, H2M_MAILBOX_STATUS, 0xffffffff);
+		rt2800_register_write(rt2x00dev, H2M_MAILBOX_CID, 0xffffffff);
+		rt2800_mcu_request(rt2x00dev, MCU_SLEEP, 0x01, 0xff, 0x01);
 	}
 
 	return 0;
@@ -538,9 +570,7 @@ static int rt2800pci_set_device_state(struct rt2x00_dev *rt2x00dev,
 		rt2800pci_set_state(rt2x00dev, STATE_SLEEP);
 		break;
 	case STATE_RADIO_IRQ_ON:
-	case STATE_RADIO_IRQ_ON_ISR:
 	case STATE_RADIO_IRQ_OFF:
-	case STATE_RADIO_IRQ_OFF_ISR:
 		rt2800pci_toggle_irq(rt2x00dev, state);
 		break;
 	case STATE_DEEP_SLEEP:
@@ -696,7 +726,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
 
 	while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
 		qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
-		if (qid >= QID_RX) {
+		if (unlikely(qid >= QID_RX)) {
 			/*
 			 * Unknown queue, this shouldn't happen. Just drop
 			 * this tx status.
@@ -706,7 +736,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
 			break;
 		}
 
-		queue = rt2x00queue_get_queue(rt2x00dev, qid);
+		queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
 		if (unlikely(queue == NULL)) {
 			/*
 			 * The queue is NULL, this shouldn't happen. Stop
@@ -717,7 +747,7 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
 			break;
 		}
 
-		if (rt2x00queue_empty(queue)) {
+		if (unlikely(rt2x00queue_empty(queue))) {
 			/*
 			 * The queue is empty. Stop processing here
 			 * and drop the tx status.
@@ -732,45 +762,59 @@ static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
 	}
 }
 
-static void rt2800pci_txstatus_tasklet(unsigned long data)
+static void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
+				       struct rt2x00_field32 irq_field)
 {
-	rt2800pci_txdone((struct rt2x00_dev *)data);
-}
-
-static irqreturn_t rt2800pci_interrupt_thread(int irq, void *dev_instance)
-{
-	struct rt2x00_dev *rt2x00dev = dev_instance;
-	u32 reg = rt2x00dev->irqvalue[0];
+	u32 reg;
 
 	/*
-	 * 1 - Pre TBTT interrupt.
+	 * Enable a single interrupt. The interrupt mask register
+	 * access needs locking.
 	 */
-	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
-		rt2x00lib_pretbtt(rt2x00dev);
+	spin_lock_irq(&rt2x00dev->irqmask_lock);
+	rt2800_register_read(rt2x00dev, INT_MASK_CSR, &reg);
+	rt2x00_set_field32(&reg, irq_field, 1);
+	rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
+	spin_unlock_irq(&rt2x00dev->irqmask_lock);
+}
 
-	/*
-	 * 2 - Beacondone interrupt.
-	 */
-	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
-		rt2x00lib_beacondone(rt2x00dev);
+static void rt2800pci_txstatus_tasklet(unsigned long data)
+{
+	rt2800pci_txdone((struct rt2x00_dev *)data);
 
 	/*
-	 * 3 - Rx ring done interrupt.
+	 * No need to enable the tx status interrupt here as we always
+	 * leave it enabled to minimize the possibility of a tx status
+	 * register overflow. See comment in interrupt handler.
 	 */
-	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
-		rt2x00pci_rxdone(rt2x00dev);
+}
 
-	/*
-	 * 4 - Auto wakeup interrupt.
-	 */
-	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
-		rt2800pci_wakeup(rt2x00dev);
+static void rt2800pci_pretbtt_tasklet(unsigned long data)
+{
+	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	rt2x00lib_pretbtt(rt2x00dev);
+	rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_PRE_TBTT);
+}
 
-	/* Enable interrupts again. */
-	rt2x00dev->ops->lib->set_device_state(rt2x00dev,
-					      STATE_RADIO_IRQ_ON_ISR);
+static void rt2800pci_tbtt_tasklet(unsigned long data)
+{
+	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	rt2x00lib_beacondone(rt2x00dev);
+	rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_TBTT);
+}
 
-	return IRQ_HANDLED;
+static void rt2800pci_rxdone_tasklet(unsigned long data)
+{
+	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	rt2x00pci_rxdone(rt2x00dev);
+	rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_RX_DONE);
+}
+
+static void rt2800pci_autowake_tasklet(unsigned long data)
+{
+	struct rt2x00_dev *rt2x00dev = (struct rt2x00_dev *)data;
+	rt2800pci_wakeup(rt2x00dev);
+	rt2800pci_enable_interrupt(rt2x00dev, INT_MASK_CSR_AUTO_WAKEUP);
 }
 
 static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
@@ -791,7 +835,7 @@ static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
 	 *
 	 * Furthermore we don't disable the TX_FIFO_STATUS
 	 * interrupt here but leave it enabled so that the TX_STA_FIFO
-	 * can also be read while the interrupt thread gets executed.
+	 * can also be read while the tx status tasklet gets executed.
 	 *
 	 * Since we have only one producer and one consumer we don't
 	 * need to lock the kfifo.
@@ -816,8 +860,7 @@ static void rt2800pci_txstatus_interrupt(struct rt2x00_dev *rt2x00dev)
 static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
 {
 	struct rt2x00_dev *rt2x00dev = dev_instance;
-	u32 reg;
-	irqreturn_t ret = IRQ_HANDLED;
+	u32 reg, mask;
 
 	/* Read status and ACK all interrupts */
 	rt2800_register_read(rt2x00dev, INT_SOURCE_CSR, &reg);
@@ -829,38 +872,44 @@ static irqreturn_t rt2800pci_interrupt(int irq, void *dev_instance)
 	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
 
-	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS))
-		rt2800pci_txstatus_interrupt(rt2x00dev);
+	/*
+	 * Since INT_MASK_CSR and INT_SOURCE_CSR use the same bits
+	 * for interrupts and interrupt masks we can just use the value of
+	 * INT_SOURCE_CSR to create the interrupt mask.
+	 */
+	mask = ~reg;
 
-	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT) ||
-	    rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT) ||
-	    rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE) ||
-	    rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP)) {
+	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TX_FIFO_STATUS)) {
+		rt2800pci_txstatus_interrupt(rt2x00dev);
 		/*
-		 * All other interrupts are handled in the interrupt thread.
-		 * Store irqvalue for use in the interrupt thread.
+		 * Never disable the TX_FIFO_STATUS interrupt.
 		 */
-		rt2x00dev->irqvalue[0] = reg;
+		rt2x00_set_field32(&mask, INT_MASK_CSR_TX_FIFO_STATUS, 1);
+	}
 
-		/*
-		 * Disable interrupts, will be enabled again in the
-		 * interrupt thread.
-		*/
-		rt2x00dev->ops->lib->set_device_state(rt2x00dev,
-						      STATE_RADIO_IRQ_OFF_ISR);
+	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_PRE_TBTT))
+		tasklet_hi_schedule(&rt2x00dev->pretbtt_tasklet);
 
-		/*
-		 * Leave the TX_FIFO_STATUS interrupt enabled to not lose any
-		 * tx status reports.
-		 */
-		rt2800_register_read(rt2x00dev, INT_MASK_CSR, &reg);
-		rt2x00_set_field32(&reg, INT_MASK_CSR_TX_FIFO_STATUS, 1);
-		rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
+	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_TBTT))
+		tasklet_hi_schedule(&rt2x00dev->tbtt_tasklet);
 
-		ret = IRQ_WAKE_THREAD;
-	}
+	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_RX_DONE))
+		tasklet_schedule(&rt2x00dev->rxdone_tasklet);
 
-	return ret;
+	if (rt2x00_get_field32(reg, INT_SOURCE_CSR_AUTO_WAKEUP))
+		tasklet_schedule(&rt2x00dev->autowake_tasklet);
+
+	/*
+	 * Disable all interrupts for which a tasklet was scheduled right now,
+	 * the tasklet will reenable the appropriate interrupts.
+	 */
+	spin_lock(&rt2x00dev->irqmask_lock);
+	rt2800_register_read(rt2x00dev, INT_MASK_CSR, &reg);
+	reg &= mask;
+	rt2800_register_write(rt2x00dev, INT_MASK_CSR, reg);
+	spin_unlock(&rt2x00dev->irqmask_lock);
+
+	return IRQ_HANDLED;
 }
 
 /*
@@ -928,6 +977,7 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
 	if (!modparam_nohwcrypt)
 		__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
 	__set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags);
+	__set_bit(DRIVER_REQUIRE_HT_TX_DESC, &rt2x00dev->flags);
 
 	/*
 	 * Set the rssi offset.
@@ -975,8 +1025,11 @@ static const struct rt2800_ops rt2800pci_rt2800_ops = {
 
 static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
 	.irq_handler		= rt2800pci_interrupt,
-	.irq_handler_thread	= rt2800pci_interrupt_thread,
-	.txstatus_tasklet       = rt2800pci_txstatus_tasklet,
+	.txstatus_tasklet	= rt2800pci_txstatus_tasklet,
+	.pretbtt_tasklet	= rt2800pci_pretbtt_tasklet,
+	.tbtt_tasklet		= rt2800pci_tbtt_tasklet,
+	.rxdone_tasklet		= rt2800pci_rxdone_tasklet,
+	.autowake_tasklet	= rt2800pci_autowake_tasklet,
 	.probe_hw		= rt2800pci_probe_hw,
 	.get_firmware_name	= rt2800pci_get_firmware_name,
 	.check_firmware		= rt2800_check_firmware,
@@ -996,6 +1049,7 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
 	.write_tx_desc		= rt2800pci_write_tx_desc,
 	.write_tx_data		= rt2800_write_tx_data,
 	.write_beacon		= rt2800_write_beacon,
+	.clear_beacon		= rt2800_clear_beacon,
 	.fill_rxdone		= rt2800pci_fill_rxdone,
 	.config_shared_key	= rt2800_config_shared_key,
 	.config_pairwise_key	= rt2800_config_pairwise_key,
@@ -1079,6 +1133,9 @@ static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
 	{ PCI_DEVICE(0x1814, 0x3592), PCI_DEVICE_DATA(&rt2800pci_ops) },
 	{ PCI_DEVICE(0x1814, 0x3593), PCI_DEVICE_DATA(&rt2800pci_ops) },
 #endif
+#ifdef CONFIG_RT2800PCI_RT53XX
+	{ PCI_DEVICE(0x1814, 0x5390), PCI_DEVICE_DATA(&rt2800pci_ops) },
+#endif
 	{ 0, }
 };
 #endif /* CONFIG_PCI */