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

Author: davem330

drivers/isdn/gigaset/dummyll.c

@@ -57,12 +57,20 @@ void gigaset_isdn_stop(struct cardstate *cs)
 {
 }
 
-int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
+int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
 {
-	pr_info("no ISDN subsystem interface\n");
 	return 1;
 }
 
-void gigaset_isdn_unregister(struct cardstate *cs)
+void gigaset_isdn_unregdev(struct cardstate *cs)
+{
+}
+
+void gigaset_isdn_regdrv(void)
+{
+	pr_info("no ISDN subsystem interface\n");
+}
+
+void gigaset_isdn_unregdrv(void)
 {
 }

drivers/net/arm/ks8695net.c

@@ -449,19 +449,17 @@ ks8695_rx_irq(int irq, void *dev_id)
 }
 
 /**
- *	ks8695_rx - Receive packets  called by NAPI poll method
+ *	ks8695_rx - Receive packets called by NAPI poll method
  *	@ksp: Private data for the KS8695 Ethernet
- *	@budget: The max packets would be receive
+ *	@budget: Number of packets allowed to process
  */
-
 static int ks8695_rx(struct ks8695_priv *ksp, int budget)
 {
 	struct net_device *ndev = ksp->ndev;
 	struct sk_buff *skb;
 	int buff_n;
 	u32 flags;
 	int pktlen;
-	int last_rx_processed = -1;
 	int received = 0;
 
 	buff_n = ksp->next_rx_desc_read;
@@ -471,6 +469,7 @@ static int ks8695_rx(struct ks8695_priv *ksp, int budget)
 					cpu_to_le32(RDES_OWN)))) {
 			rmb();
 			flags = le32_to_cpu(ksp->rx_ring[buff_n].status);
+
 			/* Found an SKB which we own, this means we
 			 * received a packet
 			 */
@@ -533,23 +532,18 @@ static int ks8695_rx(struct ks8695_priv *ksp, int budget)
 			ksp->rx_ring[buff_n].status = cpu_to_le32(RDES_OWN);
 rx_finished:
 			received++;
-			/* And note this as processed so we can start
-			 * from here next time
-			 */
-			last_rx_processed = buff_n;
 			buff_n = (buff_n + 1) & MAX_RX_DESC_MASK;
-			/*And note which RX descriptor we last did */
-			if (likely(last_rx_processed != -1))
-				ksp->next_rx_desc_read =
-					(last_rx_processed + 1) &
-					MAX_RX_DESC_MASK;
 	}
+
+	/* And note which RX descriptor we last did */
+	ksp->next_rx_desc_read = buff_n;
+
 	/* And refill the buffers */
 	ks8695_refill_rxbuffers(ksp);
 
-	/* Kick the RX DMA engine, in case it became
-	 *  suspended */
+	/* Kick the RX DMA engine, in case it became suspended */
 	ks8695_writereg(ksp, KS8695_DRSC, 0);
+
 	return received;
 }
 

drivers/net/igb/e1000_82575.c

@@ -94,6 +94,7 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	case E1000_DEV_ID_82576_FIBER:
 	case E1000_DEV_ID_82576_SERDES:
 	case E1000_DEV_ID_82576_QUAD_COPPER:
+	case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
 	case E1000_DEV_ID_82576_SERDES_QUAD:
 		mac->type = e1000_82576;
 		break;

drivers/net/igb/e1000_hw.h

@@ -41,6 +41,7 @@ struct e1000_hw;
 #define E1000_DEV_ID_82576_FIBER              0x10E6
 #define E1000_DEV_ID_82576_SERDES             0x10E7
 #define E1000_DEV_ID_82576_QUAD_COPPER        0x10E8
+#define E1000_DEV_ID_82576_QUAD_COPPER_ET2    0x1526
 #define E1000_DEV_ID_82576_NS                 0x150A
 #define E1000_DEV_ID_82576_NS_SERDES          0x1518
 #define E1000_DEV_ID_82576_SERDES_QUAD        0x150D

drivers/net/igb/igb_main.c

@@ -72,6 +72,7 @@ static DEFINE_PCI_DEVICE_TABLE(igb_pci_tbl) = {
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES_QUAD), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER_ET2), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_COPPER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_FIBER_SERDES), board_82575 },

drivers/net/ixgbe/ixgbe_82599.c

@@ -39,6 +39,7 @@
 #define IXGBE_82599_MC_TBL_SIZE   128
 #define IXGBE_82599_VFT_TBL_SIZE  128
 
+void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
 s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
                                           ixgbe_link_speed speed,
                                           bool autoneg,
@@ -68,7 +69,9 @@ static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
 	if (hw->phy.multispeed_fiber) {
 		/* Set up dual speed SFP+ support */
 		mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber;
+		mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber;
 	} else {
+		mac->ops.flap_tx_laser = NULL;
 		if ((mac->ops.get_media_type(hw) ==
 		     ixgbe_media_type_backplane) &&
 		    (hw->phy.smart_speed == ixgbe_smart_speed_auto ||
@@ -412,6 +415,41 @@ s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
 	return status;
 }
 
+/**
+ *  ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser
+ *  @hw: pointer to hardware structure
+ *
+ *  When the driver changes the link speeds that it can support,
+ *  it sets autotry_restart to true to indicate that we need to
+ *  initiate a new autotry session with the link partner.  To do
+ *  so, we set the speed then disable and re-enable the tx laser, to
+ *  alert the link partner that it also needs to restart autotry on its
+ *  end.  This is consistent with true clause 37 autoneg, which also
+ *  involves a loss of signal.
+ **/
+void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
+{
+	u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
+
+	hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n");
+
+	if (hw->mac.autotry_restart) {
+		/* Disable tx laser; allow 100us to go dark per spec */
+		esdp_reg |= IXGBE_ESDP_SDP3;
+		IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
+		IXGBE_WRITE_FLUSH(hw);
+		udelay(100);
+
+		/* Enable tx laser; allow 100ms to light up */
+		esdp_reg &= ~IXGBE_ESDP_SDP3;
+		IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
+		IXGBE_WRITE_FLUSH(hw);
+		msleep(100);
+
+		hw->mac.autotry_restart = false;
+	}
+}
+
 /**
  *  ixgbe_setup_mac_link_multispeed_fiber - Set MAC link speed
  *  @hw: pointer to hardware structure
@@ -439,16 +477,6 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 	hw->mac.ops.get_link_capabilities(hw, &phy_link_speed, &negotiation);
 	speed &= phy_link_speed;
 
-	/*
-	 * When the driver changes the link speeds that it can support,
-	 * it sets autotry_restart to true to indicate that we need to
-	 * initiate a new autotry session with the link partner.  To do
-	 * so, we set the speed then disable and re-enable the tx laser, to
-	 * alert the link partner that it also needs to restart autotry on its
-	 * end.  This is consistent with true clause 37 autoneg, which also
-	 * involves a loss of signal.
-	 */
-
 	/*
 	 * Try each speed one by one, highest priority first.  We do this in
 	 * software because 10gb fiber doesn't support speed autonegotiation.
@@ -466,6 +494,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 		/* Set the module link speed */
 		esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5);
 		IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
+		IXGBE_WRITE_FLUSH(hw);
 
 		/* Allow module to change analog characteristics (1G->10G) */
 		msleep(40);
@@ -478,19 +507,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 			return status;
 
 		/* Flap the tx laser if it has not already been done */
-		if (hw->mac.autotry_restart) {
-			/* Disable tx laser; allow 100us to go dark per spec */
-			esdp_reg |= IXGBE_ESDP_SDP3;
-			IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
-			udelay(100);
-
-			/* Enable tx laser; allow 2ms to light up per spec */
-			esdp_reg &= ~IXGBE_ESDP_SDP3;
-			IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
-			msleep(2);
-
-			hw->mac.autotry_restart = false;
-		}
+		hw->mac.ops.flap_tx_laser(hw);
 
 		/*
 		 * Wait for the controller to acquire link.  Per IEEE 802.3ap,
@@ -525,6 +542,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 		esdp_reg &= ~IXGBE_ESDP_SDP5;
 		esdp_reg |= IXGBE_ESDP_SDP5_DIR;
 		IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
+		IXGBE_WRITE_FLUSH(hw);
 
 		/* Allow module to change analog characteristics (10G->1G) */
 		msleep(40);
@@ -537,19 +555,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 			return status;
 
 		/* Flap the tx laser if it has not already been done */
-		if (hw->mac.autotry_restart) {
-			/* Disable tx laser; allow 100us to go dark per spec */
-			esdp_reg |= IXGBE_ESDP_SDP3;
-			IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
-			udelay(100);
-
-			/* Enable tx laser; allow 2ms to light up per spec */
-			esdp_reg &= ~IXGBE_ESDP_SDP3;
-			IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
-			msleep(2);
-
-			hw->mac.autotry_restart = false;
-		}
+		hw->mac.ops.flap_tx_laser(hw);
 
 		/* Wait for the link partner to also set speed */
 		msleep(100);

drivers/net/ixgbe/ixgbe_fcoe.c

@@ -614,9 +614,9 @@ int ixgbe_fcoe_enable(struct net_device *netdev)
 	netdev->vlan_features |= NETIF_F_FSO;
 	netdev->vlan_features |= NETIF_F_FCOE_MTU;
 	netdev->fcoe_ddp_xid = IXGBE_FCOE_DDP_MAX - 1;
-	netdev_features_change(netdev);
 
 	ixgbe_init_interrupt_scheme(adapter);
+	netdev_features_change(netdev);
 
 	if (netif_running(netdev))
 		netdev->netdev_ops->ndo_open(netdev);
@@ -660,11 +660,11 @@ int ixgbe_fcoe_disable(struct net_device *netdev)
 	netdev->vlan_features &= ~NETIF_F_FSO;
 	netdev->vlan_features &= ~NETIF_F_FCOE_MTU;
 	netdev->fcoe_ddp_xid = 0;
-	netdev_features_change(netdev);
 
 	ixgbe_cleanup_fcoe(adapter);
-
 	ixgbe_init_interrupt_scheme(adapter);
+	netdev_features_change(netdev);
+
 	if (netif_running(netdev))
 		netdev->netdev_ops->ndo_open(netdev);
 	rc = 0;

drivers/net/ixgbe/ixgbe_main.c

@@ -935,10 +935,12 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 			if (skb->prev)
 				skb = ixgbe_transform_rsc_queue(skb, &(rx_ring->rsc_count));
 			if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
-				if (IXGBE_RSC_CB(skb)->dma)
+				if (IXGBE_RSC_CB(skb)->dma) {
 					pci_unmap_single(pdev, IXGBE_RSC_CB(skb)->dma,
 					                 rx_ring->rx_buf_len,
 					                 PCI_DMA_FROMDEVICE);
+					IXGBE_RSC_CB(skb)->dma = 0;
+				}
 				if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED)
 					rx_ring->rsc_count += skb_shinfo(skb)->nr_frags;
 				else
@@ -3126,10 +3128,12 @@ static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter,
 			rx_buffer_info->skb = NULL;
 			do {
 				struct sk_buff *this = skb;
-				if (IXGBE_RSC_CB(this)->dma)
+				if (IXGBE_RSC_CB(this)->dma) {
 					pci_unmap_single(pdev, IXGBE_RSC_CB(this)->dma,
 					                 rx_ring->rx_buf_len,
 					                 PCI_DMA_FROMDEVICE);
+					IXGBE_RSC_CB(this)->dma = 0;
+				}
 				skb = skb->prev;
 				dev_kfree_skb(this);
 			} while (skb);
@@ -5018,6 +5022,7 @@ static void ixgbe_multispeed_fiber_task(struct work_struct *work)
 	autoneg = hw->phy.autoneg_advertised;
 	if ((!autoneg) && (hw->mac.ops.get_link_capabilities))
 		hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation);
+	hw->mac.autotry_restart = false;
 	if (hw->mac.ops.setup_link)
 		hw->mac.ops.setup_link(hw, autoneg, negotiation, true);
 	adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
@@ -6245,9 +6250,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 	case IXGBE_DEV_ID_82599_KX4:
 		adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX |
 		                IXGBE_WUFC_MC | IXGBE_WUFC_BC);
-		/* Enable ACPI wakeup in GRC */
-		IXGBE_WRITE_REG(hw, IXGBE_GRC,
-		             (IXGBE_READ_REG(hw, IXGBE_GRC) & ~IXGBE_GRC_APME));
 		break;
 	default:
 		adapter->wol = 0;
@@ -6380,6 +6382,16 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
 	del_timer_sync(&adapter->sfp_timer);
 	cancel_work_sync(&adapter->watchdog_task);
 	cancel_work_sync(&adapter->sfp_task);
+	if (adapter->hw.phy.multispeed_fiber) {
+		struct ixgbe_hw *hw = &adapter->hw;
+		/*
+		 * Restart clause 37 autoneg, disable and re-enable
+		 * the tx laser, to clear & alert the link partner
+		 * that it needs to restart autotry
+		 */
+		hw->mac.autotry_restart = true;
+		hw->mac.ops.flap_tx_laser(hw);
+	}
 	cancel_work_sync(&adapter->multispeed_fiber_task);
 	cancel_work_sync(&adapter->sfp_config_module_task);
 	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||

drivers/net/ixgbe/ixgbe_type.h

@@ -2397,6 +2397,7 @@ struct ixgbe_mac_operations {
 	s32 (*enable_rx_dma)(struct ixgbe_hw *, u32);
 
 	/* Link */
+	void (*flap_tx_laser)(struct ixgbe_hw *);
 	s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool);
 	s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool);
 	s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *,