Merge branch 'linus' into release

Conflicts:
	arch/x86/kernel/acpi/sleep.c

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 29 insertions, 69 deletions

diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index 464e6c9d3fc..054ab05b7c6 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -49,9 +49,9 @@
 
 char ixgbevf_driver_name[] = "ixgbevf";
 static const char ixgbevf_driver_string[] =
-	"Intel(R) 82599 Virtual Function";
+	"Intel(R) 10 Gigabit PCI Express Virtual Function Network Driver";
 
-#define DRV_VERSION "1.0.19-k0"
+#define DRV_VERSION "2.0.0-k2"
 const char ixgbevf_driver_version[] = DRV_VERSION;
 static char ixgbevf_copyright[] =
 	"Copyright (c) 2009 - 2010 Intel Corporation.";
@@ -107,7 +107,7 @@ static inline void ixgbevf_release_rx_desc(struct ixgbe_hw *hw,
 }
 
 /*
- * ixgbe_set_ivar - set the IVAR registers, mapping interrupt causes to vectors
+ * ixgbevf_set_ivar - set IVAR registers - maps interrupt causes to vectors
  * @adapter: pointer to adapter struct
  * @direction: 0 for Rx, 1 for Tx, -1 for other causes
  * @queue: queue to map the corresponding interrupt to
@@ -162,42 +162,6 @@ static void ixgbevf_unmap_and_free_tx_resource(struct ixgbevf_adapter *adapter,
 	/* tx_buffer_info must be completely set up in the transmit path */
 }
 
-static inline bool ixgbevf_check_tx_hang(struct ixgbevf_adapter *adapter,
-					 struct ixgbevf_ring *tx_ring,
-					 unsigned int eop)
-{
-	struct ixgbe_hw *hw = &adapter->hw;
-	u32 head, tail;
-
-	/* Detect a transmit hang in hardware, this serializes the
-	 * check with the clearing of time_stamp and movement of eop */
-	head = readl(hw->hw_addr + tx_ring->head);
-	tail = readl(hw->hw_addr + tx_ring->tail);
-	adapter->detect_tx_hung = false;
-	if ((head != tail) &&
-	    tx_ring->tx_buffer_info[eop].time_stamp &&
-	    time_after(jiffies, tx_ring->tx_buffer_info[eop].time_stamp + HZ)) {
-		/* detected Tx unit hang */
-		union ixgbe_adv_tx_desc *tx_desc;
-		tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, eop);
-		printk(KERN_ERR "Detected Tx Unit Hang\n"
-		       "  Tx Queue             <%d>\n"
-		       "  TDH, TDT             <%x>, <%x>\n"
-		       "  next_to_use          <%x>\n"
-		       "  next_to_clean        <%x>\n"
-		       "tx_buffer_info[next_to_clean]\n"
-		       "  time_stamp           <%lx>\n"
-		       "  jiffies              <%lx>\n",
-		       tx_ring->queue_index,
-		       head, tail,
-		       tx_ring->next_to_use, eop,
-		       tx_ring->tx_buffer_info[eop].time_stamp, jiffies);
-		return true;
-	}
-
-	return false;
-}
-
 #define IXGBE_MAX_TXD_PWR	14
 #define IXGBE_MAX_DATA_PER_TXD	(1 << IXGBE_MAX_TXD_PWR)
 
@@ -293,16 +257,6 @@ static bool ixgbevf_clean_tx_irq(struct ixgbevf_adapter *adapter,
 #endif
 	}
 
-	if (adapter->detect_tx_hung) {
-		if (ixgbevf_check_tx_hang(adapter, tx_ring, i)) {
-			/* schedule immediate reset if we believe we hung */
-			printk(KERN_INFO
-			       "tx hang %d detected, resetting adapter\n",
-			       adapter->tx_timeout_count + 1);
-			ixgbevf_tx_timeout(adapter->netdev);
-		}
-	}
-
 	/* re-arm the interrupt */
 	if ((count >= tx_ring->work_limit) &&
 	    (!test_bit(__IXGBEVF_DOWN, &adapter->state))) {
@@ -334,7 +288,6 @@ static void ixgbevf_receive_skb(struct ixgbevf_q_vector *q_vector,
 	struct ixgbevf_adapter *adapter = q_vector->adapter;
 	bool is_vlan = (status & IXGBE_RXD_STAT_VP);
 	u16 tag = le16_to_cpu(rx_desc->wb.upper.vlan);
-	int ret;
 
 	if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) {
 		if (adapter->vlgrp && is_vlan)
@@ -345,9 +298,9 @@ static void ixgbevf_receive_skb(struct ixgbevf_q_vector *q_vector,
 			napi_gro_receive(&q_vector->napi, skb);
 	} else {
 		if (adapter->vlgrp && is_vlan)
-			ret = vlan_hwaccel_rx(skb, adapter->vlgrp, tag);
+			vlan_hwaccel_rx(skb, adapter->vlgrp, tag);
 		else
-			ret = netif_rx(skb);
+			netif_rx(skb);
 	}
 }
 
@@ -1017,7 +970,7 @@ static irqreturn_t ixgbevf_msix_clean_tx(int irq, void *data)
 }
 
 /**
- * ixgbe_msix_clean_rx - single unshared vector rx clean (all queues)
+ * ixgbevf_msix_clean_rx - single unshared vector rx clean (all queues)
  * @irq: unused
  * @data: pointer to our q_vector struct for this interrupt vector
  **/
@@ -1665,6 +1618,11 @@ static int ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
 		j = adapter->rx_ring[i].reg_idx;
 		rxdctl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(j));
 		rxdctl |= IXGBE_RXDCTL_ENABLE;
+		if (hw->mac.type == ixgbe_mac_X540_vf) {
+			rxdctl &= ~IXGBE_RXDCTL_RLPMLMASK;
+			rxdctl |= ((netdev->mtu + ETH_HLEN + ETH_FCS_LEN) |
+				   IXGBE_RXDCTL_RLPML_EN);
+		}
 		IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(j), rxdctl);
 		ixgbevf_rx_desc_queue_enable(adapter, i);
 	}
@@ -1967,7 +1925,7 @@ static void ixgbevf_acquire_msix_vectors(struct ixgbevf_adapter *adapter,
 }
 
 /*
- * ixgbe_set_num_queues: Allocate queues for device, feature dependant
+ * ixgbevf_set_num_queues: Allocate queues for device, feature dependant
  * @adapter: board private structure to initialize
  *
  * This is the top level queue allocation routine.  The order here is very
@@ -2216,7 +2174,7 @@ static int __devinit ixgbevf_sw_init(struct ixgbevf_adapter *adapter)
 
 	hw->vendor_id = pdev->vendor;
 	hw->device_id = pdev->device;
-	pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
+	hw->revision_id = pdev->revision;
 	hw->subsystem_vendor_id = pdev->subsystem_vendor;
 	hw->subsystem_device_id = pdev->subsystem_device;
 
@@ -2410,9 +2368,6 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
 			       10 : 1);
 			netif_carrier_on(netdev);
 			netif_tx_wake_all_queues(netdev);
-		} else {
-			/* Force detection of hung controller */
-			adapter->detect_tx_hung = true;
 		}
 	} else {
 		adapter->link_up = false;
@@ -2427,9 +2382,6 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
 	ixgbevf_update_stats(adapter);
 
 pf_has_reset:
-	/* Force detection of hung controller every watchdog period */
-	adapter->detect_tx_hung = true;
-
 	/* Reset the timer */
 	if (!test_bit(__IXGBEVF_DOWN, &adapter->state))
 		mod_timer(&adapter->watchdog_timer,
@@ -3217,10 +3169,16 @@ static int ixgbevf_set_mac(struct net_device *netdev, void *p)
 static int ixgbevf_change_mtu(struct net_device *netdev, int new_mtu)
 {
 	struct ixgbevf_adapter *adapter = netdev_priv(netdev);
+	struct ixgbe_hw *hw = &adapter->hw;
 	int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
+	int max_possible_frame = MAXIMUM_ETHERNET_VLAN_SIZE;
+	u32 msg[2];
+
+	if (adapter->hw.mac.type == ixgbe_mac_X540_vf)
+		max_possible_frame = IXGBE_MAX_JUMBO_FRAME_SIZE;
 
 	/* MTU < 68 is an error and causes problems on some kernels */
-	if ((new_mtu < 68) || (max_frame > MAXIMUM_ETHERNET_VLAN_SIZE))
+	if ((new_mtu < 68) || (max_frame > max_possible_frame))
 		return -EINVAL;
 
 	hw_dbg(&adapter->hw, "changing MTU from %d to %d\n",
@@ -3228,6 +3186,10 @@ static int ixgbevf_change_mtu(struct net_device *netdev, int new_mtu)
 	/* must set new MTU before calling down or up */
 	netdev->mtu = new_mtu;
 
+	msg[0] = IXGBE_VF_SET_LPE;
+	msg[1] = max_frame;
+	hw->mbx.ops.write_posted(hw, msg, 2);
+
 	if (netif_running(netdev))
 		ixgbevf_reinit_locked(adapter);
 
@@ -3272,8 +3234,6 @@ static const struct net_device_ops ixgbe_netdev_ops = {
 
 static void ixgbevf_assign_netdev_ops(struct net_device *dev)
 {
-	struct ixgbevf_adapter *adapter;
-	adapter = netdev_priv(dev);
 	dev->netdev_ops = &ixgbe_netdev_ops;
 	ixgbevf_set_ethtool_ops(dev);
 	dev->watchdog_timeo = 5 * HZ;
@@ -3519,9 +3479,9 @@ static struct pci_driver ixgbevf_driver = {
 };
 
 /**
- * ixgbe_init_module - Driver Registration Routine
+ * ixgbevf_init_module - Driver Registration Routine
  *
- * ixgbe_init_module is the first routine called when the driver is
+ * ixgbevf_init_module is the first routine called when the driver is
  * loaded. All it does is register with the PCI subsystem.
  **/
 static int __init ixgbevf_init_module(void)
@@ -3539,9 +3499,9 @@ static int __init ixgbevf_init_module(void)
 module_init(ixgbevf_init_module);
 
 /**
- * ixgbe_exit_module - Driver Exit Cleanup Routine
+ * ixgbevf_exit_module - Driver Exit Cleanup Routine
  *
- * ixgbe_exit_module is called just before the driver is removed
+ * ixgbevf_exit_module is called just before the driver is removed
  * from memory.
  **/
 static void __exit ixgbevf_exit_module(void)
@@ -3551,7 +3511,7 @@ static void __exit ixgbevf_exit_module(void)
 
 #ifdef DEBUG
 /**
- * ixgbe_get_hw_dev_name - return device name string
+ * ixgbevf_get_hw_dev_name - return device name string
  * used by hardware layer to print debugging information
  **/
 char *ixgbevf_get_hw_dev_name(struct ixgbe_hw *hw)