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

Jeff Kirsher says:

====================
This series contains updates to igb and ixgbe.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/intel/igb/igb_main.c

@@ -60,8 +60,8 @@
 #include "igb.h"
 
 #define MAJ 4
-#define MIN 0
-#define BUILD 17
+#define MIN 1
+#define BUILD 2
 #define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \
 __stringify(BUILD) "-k"
 char igb_driver_name[] = "igb";
@@ -122,6 +122,7 @@ static void igb_remove(struct pci_dev *pdev);
 static int igb_sw_init(struct igb_adapter *);
 static int igb_open(struct net_device *);
 static int igb_close(struct net_device *);
+static void igb_configure(struct igb_adapter *);
 static void igb_configure_tx(struct igb_adapter *);
 static void igb_configure_rx(struct igb_adapter *);
 static void igb_clean_all_tx_rings(struct igb_adapter *);
@@ -831,17 +832,18 @@ static int igb_request_msix(struct igb_adapter *adapter)
 {
 	struct net_device *netdev = adapter->netdev;
 	struct e1000_hw *hw = &adapter->hw;
-	int i, err = 0, vector = 0;
+	int i, err = 0, vector = 0, free_vector = 0;
 
 	err = request_irq(adapter->msix_entries[vector].vector,
 	                  igb_msix_other, 0, netdev->name, adapter);
 	if (err)
-		goto out;
-	vector++;
+		goto err_out;
 
 	for (i = 0; i < adapter->num_q_vectors; i++) {
 		struct igb_q_vector *q_vector = adapter->q_vector[i];
 
+		vector++;
+
 		q_vector->itr_register = hw->hw_addr + E1000_EITR(vector);
 
 		if (q_vector->rx.ring && q_vector->tx.ring)
@@ -860,13 +862,22 @@ static int igb_request_msix(struct igb_adapter *adapter)
 		                  igb_msix_ring, 0, q_vector->name,
 		                  q_vector);
 		if (err)
-			goto out;
-		vector++;
+			goto err_free;
 	}
 
 	igb_configure_msix(adapter);
 	return 0;
-out:
+
+err_free:
+	/* free already assigned IRQs */
+	free_irq(adapter->msix_entries[free_vector++].vector, adapter);
+
+	vector--;
+	for (i = 0; i < vector; i++) {
+		free_irq(adapter->msix_entries[free_vector++].vector,
+			 adapter->q_vector[i]);
+	}
+err_out:
 	return err;
 }
 
@@ -948,11 +959,14 @@ static void igb_clear_interrupt_scheme(struct igb_adapter *adapter)
  * Attempt to configure interrupts using the best available
  * capabilities of the hardware and kernel.
  **/
-static void igb_set_interrupt_capability(struct igb_adapter *adapter)
+static void igb_set_interrupt_capability(struct igb_adapter *adapter, bool msix)
 {
 	int err;
 	int numvecs, i;
 
+	if (!msix)
+		goto msi_only;
+
 	/* Number of supported queues. */
 	adapter->num_rx_queues = adapter->rss_queues;
 	if (adapter->vfs_allocated_count)
@@ -1199,12 +1213,12 @@ static int igb_alloc_q_vectors(struct igb_adapter *adapter)
  *
  * This function initializes the interrupts and allocates all of the queues.
  **/
-static int igb_init_interrupt_scheme(struct igb_adapter *adapter)
+static int igb_init_interrupt_scheme(struct igb_adapter *adapter, bool msix)
 {
 	struct pci_dev *pdev = adapter->pdev;
 	int err;
 
-	igb_set_interrupt_capability(adapter);
+	igb_set_interrupt_capability(adapter, msix);
 
 	err = igb_alloc_q_vectors(adapter);
 	if (err) {
@@ -1240,20 +1254,15 @@ static int igb_request_irq(struct igb_adapter *adapter)
 		/* fall back to MSI */
 		igb_free_all_tx_resources(adapter);
 		igb_free_all_rx_resources(adapter);
+
 		igb_clear_interrupt_scheme(adapter);
-		if (!pci_enable_msi(pdev))
-			adapter->flags |= IGB_FLAG_HAS_MSI;
-		adapter->num_tx_queues = 1;
-		adapter->num_rx_queues = 1;
-		adapter->num_q_vectors = 1;
-		err = igb_alloc_q_vectors(adapter);
-		if (err) {
-			dev_err(&pdev->dev,
-			        "Unable to allocate memory for vectors\n");
+		err = igb_init_interrupt_scheme(adapter, false);
+		if (err)
 			goto request_done;
-		}
+
 		igb_setup_all_tx_resources(adapter);
 		igb_setup_all_rx_resources(adapter);
+		igb_configure(adapter);
 	}
 
 	igb_assign_vector(adapter->q_vector[0], 0);
@@ -2444,7 +2453,7 @@ static int igb_sw_init(struct igb_adapter *adapter)
 				GFP_ATOMIC);
 
 	/* This call may decrease the number of queues */
-	if (igb_init_interrupt_scheme(adapter)) {
+	if (igb_init_interrupt_scheme(adapter, true)) {
 		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
 		return -ENOMEM;
 	}
@@ -6818,7 +6827,7 @@ static int igb_resume(struct device *dev)
 	pci_enable_wake(pdev, PCI_D3hot, 0);
 	pci_enable_wake(pdev, PCI_D3cold, 0);
 
-	if (igb_init_interrupt_scheme(adapter)) {
+	if (igb_init_interrupt_scheme(adapter, true)) {
 		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
 		return -ENOMEM;
 	}

drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c

@@ -1078,7 +1078,7 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
 	hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr);
 
 	/* Add the SAN MAC address to the RAR only if it's a valid address */
-	if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) {
+	if (is_valid_ether_addr(hw->mac.san_addr)) {
 		hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
 		                    hw->mac.san_addr, 0, IXGBE_RAH_AV);
 

drivers/net/ethernet/intel/ixgbe/ixgbe_common.c

@@ -1782,29 +1782,6 @@ s32 ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw)
 	return status;
 }
 
-/**
- *  ixgbe_validate_mac_addr - Validate MAC address
- *  @mac_addr: pointer to MAC address.
- *
- *  Tests a MAC address to ensure it is a valid Individual Address
- **/
-s32 ixgbe_validate_mac_addr(u8 *mac_addr)
-{
-	s32 status = 0;
-
-	/* Make sure it is not a multicast address */
-	if (IXGBE_IS_MULTICAST(mac_addr))
-		status = IXGBE_ERR_INVALID_MAC_ADDR;
-	/* Not a broadcast address */
-	else if (IXGBE_IS_BROADCAST(mac_addr))
-		status = IXGBE_ERR_INVALID_MAC_ADDR;
-	/* Reject the zero address */
-	else if (is_zero_ether_addr(mac_addr))
-		status = IXGBE_ERR_INVALID_MAC_ADDR;
-
-	return status;
-}
-
 /**
  *  ixgbe_set_rar_generic - Set Rx address register
  *  @hw: pointer to hardware structure
@@ -1909,8 +1886,7 @@ s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw)
 	 * to the permanent address.
 	 * Otherwise, use the permanent address from the eeprom.
 	 */
-	if (ixgbe_validate_mac_addr(hw->mac.addr) ==
-	    IXGBE_ERR_INVALID_MAC_ADDR) {
+	if (!is_valid_ether_addr(hw->mac.addr)) {
 		/* Get the MAC address from the RAR0 for later reference */
 		hw->mac.ops.get_mac_addr(hw, hw->mac.addr);
 

drivers/net/ethernet/intel/ixgbe/ixgbe_common.h

@@ -81,7 +81,6 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw);
 s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw);
 void ixgbe_fc_autoneg(struct ixgbe_hw *hw);
 
-s32 ixgbe_validate_mac_addr(u8 *mac_addr);
 s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask);
 void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask);
 s32 ixgbe_get_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr);

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

@@ -4467,6 +4467,7 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter)
 	struct ixgbe_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = adapter->pdev;
 	unsigned int rss;
+	u32 fwsm;
 #ifdef CONFIG_IXGBE_DCB
 	int j;
 	struct tc_configuration *tc;
@@ -4490,7 +4491,9 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter)
 		adapter->max_q_vectors = MAX_Q_VECTORS_82598;
 		break;
 	case ixgbe_mac_X540:
-		adapter->flags2 |= IXGBE_FLAG2_TEMP_SENSOR_CAPABLE;
+		fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM);
+		if (fwsm & IXGBE_FWSM_TS_ENABLED)
+			adapter->flags2 |= IXGBE_FLAG2_TEMP_SENSOR_CAPABLE;
 	case ixgbe_mac_82599EB:
 		adapter->max_q_vectors = MAX_Q_VECTORS_82599;
 		adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE;
@@ -7444,7 +7447,7 @@ static int ixgbe_probe(struct pci_dev *pdev,
 	memcpy(netdev->dev_addr, hw->mac.perm_addr, netdev->addr_len);
 	memcpy(netdev->perm_addr, hw->mac.perm_addr, netdev->addr_len);
 
-	if (ixgbe_validate_mac_addr(netdev->perm_addr)) {
+	if (!is_valid_ether_addr(netdev->perm_addr)) {
 		e_dev_err("invalid MAC address\n");
 		err = -EIO;
 		goto err_sw_init;

drivers/net/ethernet/intel/ixgbe/ixgbe_type.h

@@ -1834,15 +1834,6 @@ enum {
 /* Number of 100 microseconds we wait for PCI Express master disable */
 #define IXGBE_PCI_MASTER_DISABLE_TIMEOUT 800
 
-/* Check whether address is multicast.  This is little-endian specific check.*/
-#define IXGBE_IS_MULTICAST(Address) \
-                (bool)(((u8 *)(Address))[0] & ((u8)0x01))
-
-/* Check whether an address is broadcast. */
-#define IXGBE_IS_BROADCAST(Address)                      \
-                ((((u8 *)(Address))[0] == ((u8)0xff)) && \
-                (((u8 *)(Address))[1] == ((u8)0xff)))
-
 /* RAH */
 #define IXGBE_RAH_VIND_MASK     0x003C0000
 #define IXGBE_RAH_VIND_SHIFT    18
@@ -1963,6 +1954,8 @@ enum {
 #define IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP 0x01000000
 #define IXGBE_MRQC_L3L4TXSWEN            0x00008000
 
+#define IXGBE_FWSM_TS_ENABLED	0x1
+
 /* Queue Drop Enable */
 #define IXGBE_QDE_ENABLE     0x00000001
 #define IXGBE_QDE_IDX_MASK   0x00007F00

drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c

@@ -152,7 +152,7 @@ static s32 ixgbe_reset_hw_X540(struct ixgbe_hw *hw)
 	hw->mac.ops.get_san_mac_addr(hw, hw->mac.san_addr);
 
 	/* Add the SAN MAC address to the RAR only if it's a valid address */
-	if (ixgbe_validate_mac_addr(hw->mac.san_addr) == 0) {
+	if (is_valid_ether_addr(hw->mac.san_addr)) {
 		hw->mac.ops.set_rar(hw, hw->mac.num_rar_entries - 1,
 		                    hw->mac.san_addr, 0, IXGBE_RAH_AV);