Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/…

…davem/net-2.6

Conflicts:
	drivers/net/can/usb/ems_usb.c

drivers/isdn/hisax/elsa_ser.c

@@ -477,62 +477,62 @@ static void
 modem_set_init(struct IsdnCardState *cs) {
 	int timeout;
 
-#define RCV_DELAY 20000	
+#define RCV_DELAY 20
 	modem_write_cmd(cs, MInit_1, strlen(MInit_1));
 	timeout = 1000;
 	while(timeout-- && cs->hw.elsa.transcnt)
 		udelay(1000);
 	debugl1(cs, "msi tout=%d", timeout);
-	udelay(RCV_DELAY);
+	mdelay(RCV_DELAY);
 	modem_write_cmd(cs, MInit_2, strlen(MInit_2));
 	timeout = 1000;
 	while(timeout-- && cs->hw.elsa.transcnt)
 		udelay(1000);
 	debugl1(cs, "msi tout=%d", timeout);
-	udelay(RCV_DELAY);
+	mdelay(RCV_DELAY);
 	modem_write_cmd(cs, MInit_3, strlen(MInit_3));
 	timeout = 1000;
 	while(timeout-- && cs->hw.elsa.transcnt)
 		udelay(1000);
 	debugl1(cs, "msi tout=%d", timeout);
-	udelay(RCV_DELAY);
+	mdelay(RCV_DELAY);
 	modem_write_cmd(cs, MInit_4, strlen(MInit_4));
 	timeout = 1000;
 	while(timeout-- && cs->hw.elsa.transcnt)
 		udelay(1000);
 	debugl1(cs, "msi tout=%d", timeout);
-	udelay(RCV_DELAY );
+	mdelay(RCV_DELAY);
 	modem_write_cmd(cs, MInit_5, strlen(MInit_5));
 	timeout = 1000;
 	while(timeout-- && cs->hw.elsa.transcnt)
 		udelay(1000);
 	debugl1(cs, "msi tout=%d", timeout);
-	udelay(RCV_DELAY);
+	mdelay(RCV_DELAY);
 	modem_write_cmd(cs, MInit_6, strlen(MInit_6));
 	timeout = 1000;
 	while(timeout-- && cs->hw.elsa.transcnt)
 		udelay(1000);
 	debugl1(cs, "msi tout=%d", timeout);
-	udelay(RCV_DELAY);
+	mdelay(RCV_DELAY);
 	modem_write_cmd(cs, MInit_7, strlen(MInit_7));
 	timeout = 1000;
 	while(timeout-- && cs->hw.elsa.transcnt)
 		udelay(1000);
 	debugl1(cs, "msi tout=%d", timeout);
-	udelay(RCV_DELAY);
+	mdelay(RCV_DELAY);
 }
 
 static void
 modem_set_dial(struct IsdnCardState *cs, int outgoing) {
 	int timeout;
-#define RCV_DELAY 20000	
+#define RCV_DELAY 20
 
 	modem_write_cmd(cs, MInit_speed28800, strlen(MInit_speed28800));
 	timeout = 1000;
 	while(timeout-- && cs->hw.elsa.transcnt)
 		udelay(1000);
 	debugl1(cs, "msi tout=%d", timeout);
-	udelay(RCV_DELAY);
+	mdelay(RCV_DELAY);
 	if (outgoing)
 		modem_write_cmd(cs, MInit_dialout, strlen(MInit_dialout));
 	else
@@ -541,7 +541,7 @@ modem_set_dial(struct IsdnCardState *cs, int outgoing) {
 	while(timeout-- && cs->hw.elsa.transcnt)
 		udelay(1000);
 	debugl1(cs, "msi tout=%d", timeout);
-	udelay(RCV_DELAY);
+	mdelay(RCV_DELAY);
 }
 
 static void

drivers/net/benet/be.h

@@ -269,6 +269,8 @@ struct be_adapter {
 	u32 port_num;
 	bool promiscuous;
 	u32 cap;
+	u32 rx_fc;		/* Rx flow control */
+	u32 tx_fc;		/* Tx flow control */
 };
 
 extern const struct ethtool_ops be_ethtool_ops;

drivers/net/benet/be_ethtool.c

@@ -362,10 +362,12 @@ be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 
 	if (ecmd->autoneg != 0)
 		return -EINVAL;
+	adapter->tx_fc = ecmd->tx_pause;
+	adapter->rx_fc = ecmd->rx_pause;
 
-	status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
-			ecmd->rx_pause);
-	if (!status)
+	status = be_cmd_set_flow_control(adapter,
+					adapter->tx_fc, adapter->rx_fc);
+	if (status)
 		dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
 
 	return status;

drivers/net/benet/be_main.c

@@ -1611,11 +1611,21 @@ static int be_open(struct net_device *netdev)
 	status = be_cmd_link_status_query(adapter, &link_up, &mac_speed,
 			&link_speed);
 	if (status)
-		return status;
+		goto ret_sts;
 	be_link_status_update(adapter, link_up);
 
+	status = be_vid_config(adapter);
+	if (status)
+		goto ret_sts;
+
+	status = be_cmd_set_flow_control(adapter,
+					adapter->tx_fc, adapter->rx_fc);
+	if (status)
+		goto ret_sts;
+
 	schedule_delayed_work(&adapter->work, msecs_to_jiffies(100));
-	return 0;
+ret_sts:
+	return status;
 }
 
 static int be_setup(struct be_adapter *adapter)
@@ -1649,17 +1659,8 @@ static int be_setup(struct be_adapter *adapter)
 	if (status != 0)
 		goto rx_qs_destroy;
 
-	status = be_vid_config(adapter);
-	if (status != 0)
-		goto mccqs_destroy;
-
-	status = be_cmd_set_flow_control(adapter, true, true);
-	if (status != 0)
-		goto mccqs_destroy;
 	return 0;
 
-mccqs_destroy:
-	be_mcc_queues_destroy(adapter);
 rx_qs_destroy:
 	be_rx_queues_destroy(adapter);
 tx_qs_destroy:
@@ -1910,6 +1911,10 @@ static void be_netdev_init(struct net_device *netdev)
 
 	adapter->rx_csum = true;
 
+	/* Default settings for Rx and Tx flow control */
+	adapter->rx_fc = true;
+	adapter->tx_fc = true;
+
 	netif_set_gso_max_size(netdev, 65535);
 
 	BE_SET_NETDEV_OPS(netdev, &be_netdev_ops);
@@ -2172,6 +2177,7 @@ static int be_suspend(struct pci_dev *pdev, pm_message_t state)
 		be_close(netdev);
 		rtnl_unlock();
 	}
+	be_cmd_get_flow_control(adapter, &adapter->tx_fc, &adapter->rx_fc);
 	be_clear(adapter);
 
 	pci_save_state(pdev);

drivers/net/can/dev.c

@@ -637,6 +637,22 @@ static int can_changelink(struct net_device *dev,
 	return 0;
 }
 
+static size_t can_get_size(const struct net_device *dev)
+{
+	struct can_priv *priv = netdev_priv(dev);
+	size_t size;
+
+	size = nla_total_size(sizeof(u32));   /* IFLA_CAN_STATE */
+	size += sizeof(struct can_ctrlmode);  /* IFLA_CAN_CTRLMODE */
+	size += nla_total_size(sizeof(u32));  /* IFLA_CAN_RESTART_MS */
+	size += sizeof(struct can_bittiming); /* IFLA_CAN_BITTIMING */
+	size += sizeof(struct can_clock);     /* IFLA_CAN_CLOCK */
+	if (priv->bittiming_const)	      /* IFLA_CAN_BITTIMING_CONST */
+		size += sizeof(struct can_bittiming_const);
+
+	return size;
+}
+
 static int can_fill_info(struct sk_buff *skb, const struct net_device *dev)
 {
 	struct can_priv *priv = netdev_priv(dev);
@@ -687,6 +703,7 @@ static struct rtnl_link_ops can_link_ops __read_mostly = {
 	.setup		= can_setup,
 	.newlink	= can_newlink,
 	.changelink	= can_changelink,
+	.get_size	= can_get_size,
 	.fill_info	= can_fill_info,
 	.fill_xstats	= can_fill_xstats,
 };

drivers/net/can/usb/ems_usb.c

@@ -315,7 +315,7 @@ static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)
 	if (skb == NULL)
 		return;
 
-	cf->can_id = msg->msg.can_msg.id;
+	cf->can_id = le32_to_cpu(msg->msg.can_msg.id);
 	cf->can_dlc = min_t(u8, msg->msg.can_msg.length, 8);
 
 	if (msg->type == CPC_MSG_TYPE_EXT_CAN_FRAME
@@ -801,6 +801,9 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
 		msg->length = CPC_CAN_MSG_MIN_SIZE + cf->can_dlc;
 	}
 
+	/* Respect byte order */
+	msg->msg.can_msg.id = cpu_to_le32(msg->msg.can_msg.id);
+
 	for (i = 0; i < MAX_TX_URBS; i++) {
 		if (dev->tx_contexts[i].echo_index == MAX_TX_URBS) {
 			context = &dev->tx_contexts[i];

drivers/net/cassini.c

@@ -4342,11 +4342,11 @@ static int cas_open(struct net_device *dev)
 		cas_unlock_all_restore(cp, flags);
 	}
 
+	err = -ENOMEM;
 	if (cas_tx_tiny_alloc(cp) < 0)
-		return -ENOMEM;
+		goto err_unlock;
 
 	/* alloc rx descriptors */
-	err = -ENOMEM;
 	if (cas_alloc_rxds(cp) < 0)
 		goto err_tx_tiny;
 
@@ -4386,6 +4386,7 @@ static int cas_open(struct net_device *dev)
 	cas_free_rxds(cp);
 err_tx_tiny:
 	cas_tx_tiny_free(cp);
+err_unlock:
 	mutex_unlock(&cp->pm_mutex);
 	return err;
 }

drivers/net/fsl_pq_mdio.c

@@ -462,3 +462,4 @@ void fsl_pq_mdio_exit(void)
 	of_unregister_platform_driver(&fsl_pq_mdio_driver);
 }
 module_exit(fsl_pq_mdio_exit);
+MODULE_LICENSE("GPL");

drivers/net/ixgbe/ixgbe_main.c

@@ -44,6 +44,7 @@
 
 #include "ixgbe.h"
 #include "ixgbe_common.h"
+#include "ixgbe_dcb_82599.h"
 
 char ixgbe_driver_name[] = "ixgbe";
 static const char ixgbe_driver_string[] =
@@ -228,6 +229,56 @@ static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
 	/* tx_buffer_info must be completely set up in the transmit path */
 }
 
+/**
+ * ixgbe_tx_is_paused - check if the tx ring is paused
+ * @adapter: the ixgbe adapter
+ * @tx_ring: the corresponding tx_ring
+ *
+ * If not in DCB mode, checks TFCS.TXOFF, otherwise, find out the
+ * corresponding TC of this tx_ring when checking TFCS.
+ *
+ * Returns : true if paused
+ */
+static inline bool ixgbe_tx_is_paused(struct ixgbe_adapter *adapter,
+                                      struct ixgbe_ring *tx_ring)
+{
+	int tc;
+	u32 txoff = IXGBE_TFCS_TXOFF;
+
+#ifdef CONFIG_IXGBE_DCB
+	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
+		int reg_idx = tx_ring->reg_idx;
+		int dcb_i = adapter->ring_feature[RING_F_DCB].indices;
+
+		if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+			tc = reg_idx >> 2;
+			txoff = IXGBE_TFCS_TXOFF0;
+		} else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+			tc = 0;
+			txoff = IXGBE_TFCS_TXOFF;
+			if (dcb_i == 8) {
+				/* TC0, TC1 */
+				tc = reg_idx >> 5;
+				if (tc == 2) /* TC2, TC3 */
+					tc += (reg_idx - 64) >> 4;
+				else if (tc == 3) /* TC4, TC5, TC6, TC7 */
+					tc += 1 + ((reg_idx - 96) >> 3);
+			} else if (dcb_i == 4) {
+				/* TC0, TC1 */
+				tc = reg_idx >> 6;
+				if (tc == 1) {
+					tc += (reg_idx - 64) >> 5;
+					if (tc == 2) /* TC2, TC3 */
+						tc += (reg_idx - 96) >> 4;
+				}
+			}
+		}
+		txoff <<= tc;
+	}
+#endif
+	return IXGBE_READ_REG(&adapter->hw, IXGBE_TFCS) & txoff;
+}
+
 static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter,
                                        struct ixgbe_ring *tx_ring,
                                        unsigned int eop)
@@ -239,7 +290,7 @@ static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter,
 	adapter->detect_tx_hung = false;
 	if (tx_ring->tx_buffer_info[eop].time_stamp &&
 	    time_after(jiffies, tx_ring->tx_buffer_info[eop].time_stamp + HZ) &&
-	    !(IXGBE_READ_REG(&adapter->hw, IXGBE_TFCS) & IXGBE_TFCS_TXOFF)) {
+	    !ixgbe_tx_is_paused(adapter, tx_ring)) {
 		/* detected Tx unit hang */
 		union ixgbe_adv_tx_desc *tx_desc;
 		tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, eop);
@@ -414,19 +465,23 @@ static void ixgbe_update_tx_dca(struct ixgbe_adapter *adapter,
 	u32 txctrl;
 	int cpu = get_cpu();
 	int q = tx_ring - adapter->tx_ring;
+	struct ixgbe_hw *hw = &adapter->hw;
 
 	if (tx_ring->cpu != cpu) {
-		txctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_DCA_TXCTRL(q));
 		if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+			txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(q));
 			txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK;
 			txctrl |= dca3_get_tag(&adapter->pdev->dev, cpu);
+			txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
+			IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL(q), txctrl);
 		} else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+			txctrl = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(q));
 			txctrl &= ~IXGBE_DCA_TXCTRL_CPUID_MASK_82599;
 			txctrl |= (dca3_get_tag(&adapter->pdev->dev, cpu) <<
-			           IXGBE_DCA_TXCTRL_CPUID_SHIFT_82599);
+			          IXGBE_DCA_TXCTRL_CPUID_SHIFT_82599);
+			txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
+			IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(q), txctrl);
 		}
-		txctrl |= IXGBE_DCA_TXCTRL_DESC_DCA_EN;
-		IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_TXCTRL(q), txctrl);
 		tx_ring->cpu = cpu;
 	}
 	put_cpu();
@@ -1908,11 +1963,25 @@ static void ixgbe_configure_tx(struct ixgbe_adapter *adapter)
 			break;
 		}
 	}
+
 	if (hw->mac.type == ixgbe_mac_82599EB) {
+		u32 rttdcs;
+
+		/* disable the arbiter while setting MTQC */
+		rttdcs = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
+		rttdcs |= IXGBE_RTTDCS_ARBDIS;
+		IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
+
 		/* We enable 8 traffic classes, DCB only */
 		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
 			IXGBE_WRITE_REG(hw, IXGBE_MTQC, (IXGBE_MTQC_RT_ENA |
 			                IXGBE_MTQC_8TC_8TQ));
+		else
+			IXGBE_WRITE_REG(hw, IXGBE_MTQC, IXGBE_MTQC_64Q_1PB);
+
+		/* re-eable the arbiter */
+		rttdcs &= ~IXGBE_RTTDCS_ARBDIS;
+		IXGBE_WRITE_REG(hw, IXGBE_RTTDCS, rttdcs);
 	}
 }
 
@@ -2466,7 +2535,10 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
 	ixgbe_restore_vlan(adapter);
 #ifdef CONFIG_IXGBE_DCB
 	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
-		netif_set_gso_max_size(netdev, 32768);
+		if (hw->mac.type == ixgbe_mac_82598EB)
+			netif_set_gso_max_size(netdev, 32768);
+		else
+			netif_set_gso_max_size(netdev, 65536);
 		ixgbe_configure_dcb(adapter);
 	} else {
 		netif_set_gso_max_size(netdev, 65536);