24 files changed, 346 insertions, 77 deletions
diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c
index 8661c84a105d..b98c67664ae7 100644
--- a/drivers/dca/dca-core.c
+++ b/drivers/dca/dca-core.c
@@ -39,6 +39,10 @@ static DEFINE_SPINLOCK(dca_lock);
 static LIST_HEAD(dca_domains);
+static BLOCKING_NOTIFIER_HEAD(dca_provider_chain);
+static int dca_providers_blocked;
 static struct pci_bus *dca_pci_rc_from_dev(struct device *dev)
 {
        struct pci_dev *pdev = to_pci_dev(dev);
@@ -70,6 +74,60 @@ static void dca_free_domain(struct dca_domain *domain)
        kfree(domain);
 }
+static int dca_provider_ioat_ver_3_0(struct device *dev)
+{
+        struct pci_dev *pdev = to_pci_dev(dev);
+        return ((pdev->vendor == PCI_VENDOR_ID_INTEL) &&
+                ((pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG0) ||
+                (pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG1) ||
+                (pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG2) ||
+                (pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG3) ||
+                (pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG4) ||
+                (pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG5) ||
+                (pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG6) ||
+                (pdev->device == PCI_DEVICE_ID_INTEL_IOAT_TBG7)));
+}
+static void unregister_dca_providers(void)
+{
+        struct dca_provider *dca, *_dca;
+        struct list_head unregistered_providers;
+        struct dca_domain *domain;
+        unsigned long flags;
+        blocking_notifier_call_chain(&dca_provider_chain,
+                                     DCA_PROVIDER_REMOVE, NULL);
+        INIT_LIST_HEAD(&unregistered_providers);
+        spin_lock_irqsave(&dca_lock, flags);
+        if (list_empty(&dca_domains)) {
+                spin_unlock_irqrestore(&dca_lock, flags);
+                return;
+        }
+        /* at this point only one domain in the list is expected */
+        domain = list_first_entry(&dca_domains, struct dca_domain, node);
+        if (!domain)
+                return;
+        list_for_each_entry_safe(dca, _dca, &domain->dca_providers, node) {
+                list_del(&dca->node);
+                list_add(&dca->node, &unregistered_providers);
+        }
+        dca_free_domain(domain);
+        spin_unlock_irqrestore(&dca_lock, flags);
+        list_for_each_entry_safe(dca, _dca, &unregistered_providers, node) {
+                dca_sysfs_remove_provider(dca);
+                list_del(&dca->node);
+        }
+}
 static struct dca_domain *dca_find_domain(struct pci_bus *rc)
 {
        struct dca_domain *domain;
@@ -90,9 +148,13 @@ static struct dca_domain *dca_get_domain(struct device *dev)
        domain = dca_find_domain(rc);
        if (!domain) {
-                domain = dca_allocate_domain(rc);
+                if (dca_provider_ioat_ver_3_0(dev) && !list_empty(&dca_domains)) {
-                if (domain)
+                        dca_providers_blocked = 1;
-                        list_add(&domain->node, &dca_domains);
+                } else {
+                        domain = dca_allocate_domain(rc);
+                        if (domain)
+                                list_add(&domain->node, &dca_domains);
+                }
        }
        return domain;
@@ -293,8 +355,6 @@ void free_dca_provider(struct dca_provider *dca)
 }
 EXPORT_SYMBOL_GPL(free_dca_provider);
-static BLOCKING_NOTIFIER_HEAD(dca_provider_chain);
 /**
 * register_dca_provider - register a dca provider
 * @dca - struct created by alloc_dca_provider()
@@ -306,6 +366,13 @@ int register_dca_provider(struct dca_provider *dca, struct device *dev)
        unsigned long flags;
        struct dca_domain *domain;
+        spin_lock_irqsave(&dca_lock, flags);
+        if (dca_providers_blocked) {
+                spin_unlock_irqrestore(&dca_lock, flags);
+                return -ENODEV;
+        }
+        spin_unlock_irqrestore(&dca_lock, flags);
        err = dca_sysfs_add_provider(dca, dev);
        if (err)
                return err;
@@ -313,7 +380,13 @@ int register_dca_provider(struct dca_provider *dca, struct device *dev)
        spin_lock_irqsave(&dca_lock, flags);
        domain = dca_get_domain(dev);
        if (!domain) {
-                spin_unlock_irqrestore(&dca_lock, flags);
+                if (dca_providers_blocked) {
+                        spin_unlock_irqrestore(&dca_lock, flags);
+                        dca_sysfs_remove_provider(dca);
+                        unregister_dca_providers();
+                } else {
+                        spin_unlock_irqrestore(&dca_lock, flags);
+                }
                return -ENODEV;
        }
        list_add(&dca->node, &domain->dca_providers);
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index e31a6d1919c6..ed964964fe1f 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -635,6 +635,9 @@ struct vortex_private {
                must_free_region:1,                             /* Flag: if zero, Cardbus owns the I/O region */
                large_frames:1,                 /* accept large frames */
                handling_irq:1;                 /* private in_irq indicator */
+        /* {get|set}_wol operations are already serialized by rtnl.
+         * no additional locking is required for the enable_wol and acpi_set_WOL()
+         */
        int drv_flags;
        u16 status_enable;
        u16 intr_enable;
@@ -2939,13 +2942,11 @@ static void vortex_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
 {
        struct vortex_private *vp = netdev_priv(dev);
-        spin_lock_irq(&vp->lock);
        wol->supported = WAKE_MAGIC;
        wol->wolopts = 0;
        if (vp->enable_wol)
                wol->wolopts |= WAKE_MAGIC;
-        spin_unlock_irq(&vp->lock);
 }
 static int vortex_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
@@ -2954,13 +2955,11 @@ static int vortex_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
        if (wol->wolopts & ~WAKE_MAGIC)
                return -EINVAL;
-        spin_lock_irq(&vp->lock);
        if (wol->wolopts & WAKE_MAGIC)
                vp->enable_wol = 1;
        else
                vp->enable_wol = 0;
        acpi_set_WOL(dev);
-        spin_unlock_irq(&vp->lock);
        return 0;
 }
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 4ba6431deeef..b8c053f76878 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -1251,6 +1251,12 @@ static void atl1_free_ring_resources(struct atl1_adapter *adapter)
        rrd_ring->desc = NULL;
        rrd_ring->dma = 0;
+        adapter->cmb.dma = 0;
+        adapter->cmb.cmb = NULL;
+        adapter->smb.dma = 0;
+        adapter->smb.smb = NULL;
 }
 static void atl1_setup_mac_ctrl(struct atl1_adapter *adapter)
@@ -2847,10 +2853,11 @@ static int atl1_resume(struct pci_dev *pdev)
        pci_enable_wake(pdev, PCI_D3cold, 0);
        atl1_reset_hw(&adapter->hw);
-        adapter->cmb.cmb->int_stats = 0;
-        if (netif_running(netdev))
+        if (netif_running(netdev)) {
+                adapter->cmb.cmb->int_stats = 0;
                atl1_up(adapter);
+        }
        netif_device_attach(netdev);
        return 0;
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 2a47c1deb9f0..079b9d1eead5 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -2466,6 +2466,9 @@ int bond_3ad_lacpdu_recv(struct sk_buff *skb, struct net_device *dev, struct pac
        if (!(dev->flags & IFF_MASTER))
                goto out;
+        if (!pskb_may_pull(skb, sizeof(struct lacpdu)))
+                goto out;
        read_lock(&bond->lock);
        slave = bond_get_slave_by_dev((struct bonding *)netdev_priv(dev),
                                        orig_dev);
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index c746b331771d..26bb118c4533 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -362,6 +362,9 @@ static int rlb_arp_recv(struct sk_buff *skb, struct net_device *bond_dev, struct
                goto out;
        }
+        if (!pskb_may_pull(skb, arp_hdr_len(bond_dev)))
+                goto out;
        if (skb->len < sizeof(struct arp_pkt)) {
                pr_debug("Packet is too small to be an ARP\n");
                goto out;
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 1ecf53dafe06..f9eede0a4b86 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -2302,6 +2302,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
        case CHELSIO_GET_QSET_NUM:{
                struct ch_reg edata;
+                memset(&edata, 0, sizeof(struct ch_reg));
                edata.cmd = CHELSIO_GET_QSET_NUM;
                edata.val = pi->nqsets;
                if (copy_to_user(useraddr, &edata, sizeof(edata)))
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index 66ed08f726fb..ba302a5c2c30 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -57,6 +57,7 @@ enum e1e_registers {
        E1000_SCTL     = 0x00024, /* SerDes Control - RW */
        E1000_FCAL     = 0x00028, /* Flow Control Address Low - RW */
        E1000_FCAH     = 0x0002C, /* Flow Control Address High -RW */
+        E1000_FEXTNVM4 = 0x00024, /* Future Extended NVM 4 - RW */
        E1000_FEXTNVM  = 0x00028, /* Future Extended NVM - RW */
        E1000_FCT      = 0x00030, /* Flow Control Type - RW */
        E1000_VET      = 0x00038, /* VLAN Ether Type - RW */
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 63930d12711c..57b5435599ab 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -105,6 +105,10 @@
 #define E1000_FEXTNVM_SW_CONFIG         1
 #define E1000_FEXTNVM_SW_CONFIG_ICH8M (1 << 27) /* Bit redefined for ICH8M :/ */
+#define E1000_FEXTNVM4_BEACON_DURATION_MASK    0x7
+#define E1000_FEXTNVM4_BEACON_DURATION_8USEC   0x7
+#define E1000_FEXTNVM4_BEACON_DURATION_16USEC  0x3
 #define PCIE_ICH8_SNOOP_ALL             PCIE_NO_SNOOP_ALL
 #define E1000_ICH_RAR_ENTRIES           7
@@ -125,6 +129,7 @@
 /* SMBus Address Phy Register */
 #define HV_SMB_ADDR            PHY_REG(768, 26)
+#define HV_SMB_ADDR_MASK       0x007F
 #define HV_SMB_ADDR_PEC_EN     0x0200
 #define HV_SMB_ADDR_VALID      0x0080
@@ -237,6 +242,8 @@ static s32  e1000_k1_gig_workaround_hv(struct e1000_hw *hw, bool link);
 static s32 e1000_set_mdio_slow_mode_hv(struct e1000_hw *hw);
 static bool e1000_check_mng_mode_ich8lan(struct e1000_hw *hw);
 static bool e1000_check_mng_mode_pchlan(struct e1000_hw *hw);
+static s32 e1000_k1_workaround_lv(struct e1000_hw *hw);
+static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate);
 static inline u16 __er16flash(struct e1000_hw *hw, unsigned long reg)
 {
@@ -272,7 +279,7 @@ static inline void __ew32flash(struct e1000_hw *hw, unsigned long reg, u32 val)
 static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
 {
        struct e1000_phy_info *phy = &hw->phy;
-        u32 ctrl;
+        u32 ctrl, fwsm;
        s32 ret_val = 0;
        phy->addr                     = 1;
@@ -294,7 +301,8 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
         * disabled, then toggle the LANPHYPC Value bit to force
         * the interconnect to PCIe mode.
         */
-        if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
+        fwsm = er32(FWSM);
+        if (!(fwsm & E1000_ICH_FWSM_FW_VALID)) {
                ctrl = er32(CTRL);
                ctrl |=  E1000_CTRL_LANPHYPC_OVERRIDE;
                ctrl &= ~E1000_CTRL_LANPHYPC_VALUE;
@@ -303,6 +311,13 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
                ctrl &= ~E1000_CTRL_LANPHYPC_OVERRIDE;
                ew32(CTRL, ctrl);
                msleep(50);
+                /*
+                 * Gate automatic PHY configuration by hardware on
+                 * non-managed 82579
+                 */
+                if (hw->mac.type == e1000_pch2lan)
+                        e1000_gate_hw_phy_config_ich8lan(hw, true);
        }
        /*
@@ -315,6 +330,13 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
        if (ret_val)
                goto out;
+        /* Ungate automatic PHY configuration on non-managed 82579 */
+        if ((hw->mac.type == e1000_pch2lan)  &&
+            !(fwsm & E1000_ICH_FWSM_FW_VALID)) {
+                msleep(10);
+                e1000_gate_hw_phy_config_ich8lan(hw, false);
+        }
        phy->id = e1000_phy_unknown;
        ret_val = e1000e_get_phy_id(hw);
        if (ret_val)
@@ -561,13 +583,10 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_adapter *adapter)
        if (mac->type == e1000_ich8lan)
                e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw, true);
-        /* Disable PHY configuration by hardware, config by software */
+        /* Gate automatic PHY configuration by hardware on managed 82579 */
-        if (mac->type == e1000_pch2lan) {
+        if ((mac->type == e1000_pch2lan) &&
-                u32 extcnf_ctrl = er32(EXTCNF_CTRL);
+            (er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
+                e1000_gate_hw_phy_config_ich8lan(hw, true);
-                extcnf_ctrl |= E1000_EXTCNF_CTRL_GATE_PHY_CFG;
-                ew32(EXTCNF_CTRL, extcnf_ctrl);
-        }
        return 0;
 }
@@ -652,6 +671,12 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
                        goto out;
        }
+        if (hw->mac.type == e1000_pch2lan) {
+                ret_val = e1000_k1_workaround_lv(hw);
+                if (ret_val)
+                        goto out;
+        }
        /*
         * Check if there was DownShift, must be checked
         * immediately after link-up
@@ -895,6 +920,34 @@ static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw)
 }
 /**
+ *  e1000_write_smbus_addr - Write SMBus address to PHY needed during Sx states
+ *  @hw: pointer to the HW structure
+ *
+ *  Assumes semaphore already acquired.
+ *
+ **/
+static s32 e1000_write_smbus_addr(struct e1000_hw *hw)
+{
+        u16 phy_data;
+        u32 strap = er32(STRAP);
+        s32 ret_val = 0;
+        strap &= E1000_STRAP_SMBUS_ADDRESS_MASK;
+        ret_val = e1000_read_phy_reg_hv_locked(hw, HV_SMB_ADDR, &phy_data);
+        if (ret_val)
+                goto out;
+        phy_data &= ~HV_SMB_ADDR_MASK;
+        phy_data |= (strap >> E1000_STRAP_SMBUS_ADDRESS_SHIFT);
+        phy_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID;
+        ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR, phy_data);
+out:
+        return ret_val;
+}
+/**
 *  e1000_sw_lcd_config_ich8lan - SW-based LCD Configuration
 *  @hw:   pointer to the HW structure
 *
@@ -903,7 +956,6 @@ static s32 e1000_check_reset_block_ich8lan(struct e1000_hw *hw)
 **/
 static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
 {
-        struct e1000_adapter *adapter = hw->adapter;
        struct e1000_phy_info *phy = &hw->phy;
        u32 i, data, cnf_size, cnf_base_addr, sw_cfg_mask;
        s32 ret_val = 0;
@@ -921,7 +973,8 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
                if (phy->type != e1000_phy_igp_3)
                        return ret_val;
-                if (adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_AMT) {
+                if ((hw->adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_AMT) ||
+                    (hw->adapter->pdev->device == E1000_DEV_ID_ICH8_IGP_C)) {
                        sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG;
                        break;
                }
@@ -961,21 +1014,16 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
        cnf_base_addr = data & E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK;
        cnf_base_addr >>= E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT;
-        if (!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) &&
+        if ((!(data & E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE) &&
-            ((hw->mac.type == e1000_pchlan) ||
+            (hw->mac.type == e1000_pchlan)) ||
-             (hw->mac.type == e1000_pch2lan))) {
+             (hw->mac.type == e1000_pch2lan)) {
                /*
                 * HW configures the SMBus address and LEDs when the
                 * OEM and LCD Write Enable bits are set in the NVM.
                 * When both NVM bits are cleared, SW will configure
                 * them instead.
                 */
-                data = er32(STRAP);
+                ret_val = e1000_write_smbus_addr(hw);
-                data &= E1000_STRAP_SMBUS_ADDRESS_MASK;
-                reg_data = data >> E1000_STRAP_SMBUS_ADDRESS_SHIFT;
-                reg_data |= HV_SMB_ADDR_PEC_EN | HV_SMB_ADDR_VALID;
-                ret_val = e1000_write_phy_reg_hv_locked(hw, HV_SMB_ADDR,
-                                                        reg_data);
                if (ret_val)
                        goto out;
@@ -1440,10 +1488,6 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
                        goto out;
                /* Enable jumbo frame workaround in the PHY */
-                e1e_rphy(hw, PHY_REG(769, 20), &data);
-                ret_val = e1e_wphy(hw, PHY_REG(769, 20), data & ~(1 << 14));
-                if (ret_val)
-                        goto out;
                e1e_rphy(hw, PHY_REG(769, 23), &data);
                data &= ~(0x7F << 5);
                data |= (0x37 << 5);
@@ -1452,7 +1496,6 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
                        goto out;
                e1e_rphy(hw, PHY_REG(769, 16), &data);
                data &= ~(1 << 13);
-                data |= (1 << 12);
                ret_val = e1e_wphy(hw, PHY_REG(769, 16), data);
                if (ret_val)
                        goto out;
@@ -1477,7 +1520,7 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
                mac_reg = er32(RCTL);
                mac_reg &= ~E1000_RCTL_SECRC;
-                ew32(FFLT_DBG, mac_reg);
+                ew32(RCTL, mac_reg);
                ret_val = e1000e_read_kmrn_reg(hw,
                                                E1000_KMRNCTRLSTA_CTRL_OFFSET,
@@ -1503,17 +1546,12 @@ s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable)
                        goto out;
                /* Write PHY register values back to h/w defaults */
-                e1e_rphy(hw, PHY_REG(769, 20), &data);
-                ret_val = e1e_wphy(hw, PHY_REG(769, 20), data & ~(1 << 14));
-                if (ret_val)
-                        goto out;
                e1e_rphy(hw, PHY_REG(769, 23), &data);
                data &= ~(0x7F << 5);
                ret_val = e1e_wphy(hw, PHY_REG(769, 23), data);
                if (ret_val)
                        goto out;
                e1e_rphy(hw, PHY_REG(769, 16), &data);
-                data &= ~(1 << 12);
                data |= (1 << 13);
                ret_val = e1e_wphy(hw, PHY_REG(769, 16), data);
                if (ret_val)
@@ -1559,6 +1597,69 @@ out:
 }
 /**
+ *  e1000_k1_gig_workaround_lv - K1 Si workaround
+ *  @hw:   pointer to the HW structure
+ *
+ *  Workaround to set the K1 beacon duration for 82579 parts
+ **/
+static s32 e1000_k1_workaround_lv(struct e1000_hw *hw)
+{
+        s32 ret_val = 0;
+        u16 status_reg = 0;
+        u32 mac_reg;
+        if (hw->mac.type != e1000_pch2lan)
+                goto out;
+        /* Set K1 beacon duration based on 1Gbps speed or otherwise */
+        ret_val = e1e_rphy(hw, HV_M_STATUS, &status_reg);
+        if (ret_val)
+                goto out;
+        if ((status_reg & (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE))
+            == (HV_M_STATUS_LINK_UP | HV_M_STATUS_AUTONEG_COMPLETE)) {
+                mac_reg = er32(FEXTNVM4);
+                mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK;
+                if (status_reg & HV_M_STATUS_SPEED_1000)
+                        mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC;
+                else
+                        mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_16USEC;
+                ew32(FEXTNVM4, mac_reg);
+        }
+out:
+        return ret_val;
+}
+/**
+ *  e1000_gate_hw_phy_config_ich8lan - disable PHY config via hardware
+ *  @hw:   pointer to the HW structure
+ *  @gate: boolean set to true to gate, false to ungate
+ *
+ *  Gate/ungate the automatic PHY configuration via hardware; perform
+ *  the configuration via software instead.
+ **/
+static void e1000_gate_hw_phy_config_ich8lan(struct e1000_hw *hw, bool gate)
+{
+        u32 extcnf_ctrl;
+        if (hw->mac.type != e1000_pch2lan)
+                return;
+        extcnf_ctrl = er32(EXTCNF_CTRL);
+        if (gate)
+                extcnf_ctrl |= E1000_EXTCNF_CTRL_GATE_PHY_CFG;
+        else
+                extcnf_ctrl &= ~E1000_EXTCNF_CTRL_GATE_PHY_CFG;
+        ew32(EXTCNF_CTRL, extcnf_ctrl);
+        return;
+}
+/**
 *  e1000_lan_init_done_ich8lan - Check for PHY config completion
 *  @hw: pointer to the HW structure
 *
@@ -1602,6 +1703,9 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw)
        if (e1000_check_reset_block(hw))
                goto out;
+        /* Allow time for h/w to get to quiescent state after reset */
+        msleep(10);
        /* Perform any necessary post-reset workarounds */
        switch (hw->mac.type) {
        case e1000_pchlan:
@@ -1630,6 +1734,13 @@ static s32 e1000_post_phy_reset_ich8lan(struct e1000_hw *hw)
        /* Configure the LCD with the OEM bits in NVM */
        ret_val = e1000_oem_bits_config_ich8lan(hw, true);
+        /* Ungate automatic PHY configuration on non-managed 82579 */
+        if ((hw->mac.type == e1000_pch2lan) &&
+            !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {
+                msleep(10);
+                e1000_gate_hw_phy_config_ich8lan(hw, false);
+        }
 out:
        return ret_val;
 }
@@ -1646,6 +1757,11 @@ static s32 e1000_phy_hw_reset_ich8lan(struct e1000_hw *hw)
 {
        s32 ret_val = 0;
+        /* Gate automatic PHY configuration by hardware on non-managed 82579 */
+        if ((hw->mac.type == e1000_pch2lan) &&
+            !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
+                e1000_gate_hw_phy_config_ich8lan(hw, true);
        ret_val = e1000e_phy_hw_reset_generic(hw);
        if (ret_val)
                goto out;
@@ -2910,6 +3026,14 @@ static s32 e1000_reset_hw_ich8lan(struct e1000_hw *hw)
                 * external PHY is reset.
                 */
                ctrl |= E1000_CTRL_PHY_RST;
+                /*
+                 * Gate automatic PHY configuration by hardware on
+                 * non-managed 82579
+                 */
+                if ((hw->mac.type == e1000_pch2lan) &&
+                    !(er32(FWSM) & E1000_ICH_FWSM_FW_VALID))
+                        e1000_gate_hw_phy_config_ich8lan(hw, true);
        }
        ret_val = e1000_acquire_swflag_ich8lan(hw);
        e_dbg("Issuing a global reset to ich8lan\n");
@@ -3460,13 +3584,20 @@ void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw)
 void e1000e_disable_gig_wol_ich8lan(struct e1000_hw *hw)
 {
        u32 phy_ctrl;
+        s32 ret_val;
        phy_ctrl = er32(PHY_CTRL);
        phy_ctrl |= E1000_PHY_CTRL_D0A_LPLU | E1000_PHY_CTRL_GBE_DISABLE;
        ew32(PHY_CTRL, phy_ctrl);
-        if (hw->mac.type >= e1000_pchlan)
+        if (hw->mac.type >= e1000_pchlan) {
-                e1000_phy_hw_reset_ich8lan(hw);
+                e1000_oem_bits_config_ich8lan(hw, true);
+                ret_val = hw->phy.ops.acquire(hw);
+                if (ret_val)
+                        return;
+                e1000_write_smbus_addr(hw);
+                hw->phy.ops.release(hw);
+        }
 }
 /**
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 5d5850b556cf..c69563c3ce96 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -2705,6 +2705,16 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
        u32 psrctl = 0;
        u32 pages = 0;
+        /* Workaround Si errata on 82579 - configure jumbo frame flow */
+        if (hw->mac.type == e1000_pch2lan) {
+                s32 ret_val;
+                if (adapter->netdev->mtu > ETH_DATA_LEN)
+                        ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
+                else
+                        ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
+        }
        /* Program MC offset vector base */
        rctl = er32(RCTL);
        rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
@@ -2745,16 +2755,6 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
                e1e_wphy(hw, 22, phy_data);
        }
-        /* Workaround Si errata on 82579 - configure jumbo frame flow */
-        if (hw->mac.type == e1000_pch2lan) {
-                s32 ret_val;
-                if (rctl & E1000_RCTL_LPE)
-                        ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true);
-                else
-                        ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false);
-        }
        /* Setup buffer sizes */
        rctl &= ~E1000_RCTL_SZ_4096;
        rctl |= E1000_RCTL_BSEX;
@@ -4813,6 +4813,15 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
                return -EINVAL;
        }
+        /* Jumbo frame workaround on 82579 requires CRC be stripped */
+        if ((adapter->hw.mac.type == e1000_pch2lan) &&
+            !(adapter->flags2 & FLAG2_CRC_STRIPPING) &&
+            (new_mtu > ETH_DATA_LEN)) {
+                e_err("Jumbo Frames not supported on 82579 when CRC "
+                      "stripping is disabled.\n");
+                return -EINVAL;
+        }
        /* 82573 Errata 17 */
        if (((adapter->hw.mac.type == e1000_82573) ||
             (adapter->hw.mac.type == e1000_82574)) &&
diff --git a/drivers/net/eql.c b/drivers/net/eql.c
index dda2c7944da9..0cb1cf9cf4b0 100644
--- a/drivers/net/eql.c
+++ b/drivers/net/eql.c
@@ -555,6 +555,8 @@ static int eql_g_master_cfg(struct net_device *dev, master_config_t __user *mcp)
        equalizer_t *eql;
        master_config_t mc;
+        memset(&mc, 0, sizeof(master_config_t));
        if (eql_is_master(dev)) {
                eql = netdev_priv(dev);
                mc.max_slaves = eql->max_slaves;
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 3bdb4fa32064..385dc3204cb7 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -2928,7 +2928,7 @@ static int __devinit emac_probe(struct platform_device *ofdev,
        if (dev->emac_irq != NO_IRQ)
                irq_dispose_mapping(dev->emac_irq);
 err_free:
-        kfree(ndev);
+        free_netdev(ndev);
 err_gone:
        /* if we were on the bootlist, remove us as we won't show up and
         * wake up all waiters to notify them in case they were waiting
@@ -2971,7 +2971,7 @@ static int __devexit emac_remove(struct platform_device *ofdev)
        if (dev->emac_irq != NO_IRQ)
                irq_dispose_mapping(dev->emac_irq);
-        kfree(dev->ndev);
+        free_netdev(dev->ndev);
        return 0;
 }
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 9b05e7da83de..a2d805aa75cd 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -1540,7 +1540,6 @@ netxen_process_rcv(struct netxen_adapter *adapter,
        if (pkt_offset)
                skb_pull(skb, pkt_offset);
-        skb->truesize = skb->len + sizeof(struct sk_buff);
        skb->protocol = eth_type_trans(skb, netdev);
        napi_gro_receive(&sds_ring->napi, skb);
@@ -1602,8 +1601,6 @@ netxen_process_lro(struct netxen_adapter *adapter,
        skb_put(skb, lro_length + data_offset);
-        skb->truesize = skb->len + sizeof(struct sk_buff) + skb_headroom(skb);
        skb_pull(skb, l2_hdr_offset);
        skb->protocol = eth_type_trans(skb, netdev);
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 6a6b8199a0d6..6c58da2b882c 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -308,7 +308,7 @@ static int mdio_bus_suspend(struct device *dev)
         * may call phy routines that try to grab the same lock, and that may
         * lead to a deadlock.
         */
-        if (phydev->attached_dev)
+        if (phydev->attached_dev && phydev->adjust_link)
                phy_stop_machine(phydev);
        if (!mdio_bus_phy_may_suspend(phydev))
@@ -331,7 +331,7 @@ static int mdio_bus_resume(struct device *dev)
                return ret;
 no_resume:
-        if (phydev->attached_dev)
+        if (phydev->attached_dev && phydev->adjust_link)
                phy_start_machine(phydev, NULL);
        return 0;
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 6695a51e09e9..736b91703b3e 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -1314,8 +1314,13 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb)
        hdrlen = (ppp->flags & SC_MP_XSHORTSEQ)? MPHDRLEN_SSN: MPHDRLEN;
        i = 0;
        list_for_each_entry(pch, &ppp->channels, clist) {
-                navail += pch->avail = (pch->chan != NULL);
+                if (pch->chan) {
-                pch->speed = pch->chan->speed;
+                        pch->avail = 1;
+                        navail++;
+                        pch->speed = pch->chan->speed;
+                } else {
+                        pch->avail = 0;
+                }
                if (pch->avail) {
                        if (skb_queue_empty(&pch->file.xq) ||
                                !pch->had_frag) {
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index 16dd9ebd36c9..5c33d15c874a 100644
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -1303,7 +1303,7 @@ qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter,
                return -ENOMEM;
        }
-        skb_reserve(skb, 2);
+        skb_reserve(skb, NET_IP_ALIGN);
        dma = pci_map_single(pdev, skb->data,
                        rds_ring->dma_size, PCI_DMA_FROMDEVICE);
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 54900332f12d..fe3b7622fba0 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2939,7 +2939,7 @@ static const struct rtl_cfg_info {
                .hw_start       = rtl_hw_start_8168,
                .region         = 2,
                .align          = 8,
-                .intr_event     = SYSErr | LinkChg | RxOverflow |
+                .intr_event     = SYSErr | RxFIFOOver | LinkChg | RxOverflow |
                                  TxErr | TxOK | RxOK | RxErr,
                .napi_event     = TxErr | TxOK | RxOK | RxOverflow,
                .features       = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
@@ -4629,8 +4629,7 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
                }
                /* Work around for rx fifo overflow */
-                if (unlikely(status & RxFIFOOver) &&
+                if (unlikely(status & RxFIFOOver)) {
-                (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
                        netif_stop_queue(dev);
                        rtl8169_tx_timeout(dev);
                        break;
diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index 07eb884ff982..44150f2f7bfd 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -384,7 +384,7 @@ static void rionet_remove(struct rio_dev *rdev)
        free_pages((unsigned long)rionet_active, rdev->net->hport->sys_size ?
                                        __ilog2(sizeof(void *)) + 4 : 0);
        unregister_netdev(ndev);
-        kfree(ndev);
+        free_netdev(ndev);
        list_for_each_entry_safe(peer, tmp, &rionet_peers, node) {
                list_del(&peer->node);
diff --git a/drivers/net/sgiseeq.c b/drivers/net/sgiseeq.c
index cc4bd8c65f8b..9265315baa0b 100644
--- a/drivers/net/sgiseeq.c
+++ b/drivers/net/sgiseeq.c
@@ -804,7 +804,7 @@ static int __devinit sgiseeq_probe(struct platform_device *pdev)
 err_out_free_page:
        free_page((unsigned long) sp->srings);
 err_out_free_dev:
-        kfree(dev);
+        free_netdev(dev);
 err_out:
        return err;
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index 13ddcd487200..a8e5856ce882 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -58,6 +58,7 @@
 MODULE_LICENSE("GPL");
 MODULE_VERSION(SMSC_DRV_VERSION);
+MODULE_ALIAS("platform:smsc911x");
 #if USE_DEBUG > 0
 static int debug = 16;
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index 5efa57757a2c..9124c5c638d8 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -243,6 +243,7 @@ enum {
        NWayState               = (1 << 14) | (1 << 13) | (1 << 12),
        NWayRestart             = (1 << 12),
        NonselPortActive        = (1 << 9),
+        SelPortActive           = (1 << 8),
        LinkFailStatus          = (1 << 2),
        NetCxnErr               = (1 << 1),
 };
@@ -364,6 +365,8 @@ static u16 t21040_csr15[] = { 0, 0, 0x0006, 0x0000, 0x0000, };
 /* 21041 transceiver register settings: TP AUTO, BNC, AUI, TP, TP FD*/
 static u16 t21041_csr13[] = { 0xEF01, 0xEF09, 0xEF09, 0xEF01, 0xEF09, };
 static u16 t21041_csr14[] = { 0xFFFF, 0xF7FD, 0xF7FD, 0x6F3F, 0x6F3D, };
+/* If on-chip autonegotiation is broken, use half-duplex (FF3F) instead */
+static u16 t21041_csr14_brk[] = { 0xFF3F, 0xF7FD, 0xF7FD, 0x6F3F, 0x6F3D, };
 static u16 t21041_csr15[] = { 0x0008, 0x0006, 0x000E, 0x0008, 0x0008, };
@@ -1064,6 +1067,9 @@ static void de21041_media_timer (unsigned long data)
        unsigned int carrier;
        unsigned long flags;
+        /* clear port active bits */
+        dw32(SIAStatus, NonselPortActive | SelPortActive);
        carrier = (status & NetCxnErr) ? 0 : 1;
        if (carrier) {
@@ -1158,14 +1164,29 @@ no_link_yet:
 static void de_media_interrupt (struct de_private *de, u32 status)
 {
        if (status & LinkPass) {
+                /* Ignore if current media is AUI or BNC and we can't use TP */
+                if ((de->media_type == DE_MEDIA_AUI ||
+                     de->media_type == DE_MEDIA_BNC) &&
+                    (de->media_lock ||
+                     !de_ok_to_advertise(de, DE_MEDIA_TP_AUTO)))
+                        return;
+                /* If current media is not TP, change it to TP */
+                if ((de->media_type == DE_MEDIA_AUI ||
+                     de->media_type == DE_MEDIA_BNC)) {
+                        de->media_type = DE_MEDIA_TP_AUTO;
+                        de_stop_rxtx(de);
+                        de_set_media(de);
+                        de_start_rxtx(de);
+                }
                de_link_up(de);
                mod_timer(&de->media_timer, jiffies + DE_TIMER_LINK);
                return;
        }
        BUG_ON(!(status & LinkFail));
+        /* Mark the link as down only if current media is TP */
-        if (netif_carrier_ok(de->dev)) {
+        if (netif_carrier_ok(de->dev) && de->media_type != DE_MEDIA_AUI &&
+            de->media_type != DE_MEDIA_BNC) {
                de_link_down(de);
                mod_timer(&de->media_timer, jiffies + DE_TIMER_NO_LINK);
        }
@@ -1229,6 +1250,7 @@ static void de_adapter_sleep (struct de_private *de)
        if (de->de21040)
                return;
+        dw32(CSR13, 0); /* Reset phy */
        pci_read_config_dword(de->pdev, PCIPM, &pmctl);
        pmctl |= PM_Sleep;
        pci_write_config_dword(de->pdev, PCIPM, pmctl);
@@ -1911,8 +1933,14 @@ fill_defaults:
        for (i = 0; i < DE_MAX_MEDIA; i++) {
                if (de->media[i].csr13 == 0xffff)
                        de->media[i].csr13 = t21041_csr13[i];
-                if (de->media[i].csr14 == 0xffff)
+                if (de->media[i].csr14 == 0xffff) {
-                        de->media[i].csr14 = t21041_csr14[i];
+                        /* autonegotiation is broken at least on some chip
+                           revisions - rev. 0x21 works, 0x11 does not */
+                        if (de->pdev->revision < 0x20)
+                                de->media[i].csr14 = t21041_csr14_brk[i];
+                        else
+                                de->media[i].csr14 = t21041_csr14[i];
+                }
                if (de->media[i].csr15 == 0xffff)
                        de->media[i].csr15 = t21041_csr15[i];
        }
@@ -2158,6 +2186,8 @@ static int de_resume (struct pci_dev *pdev)
                dev_err(&dev->dev, "pci_enable_device failed in resume\n");
                goto out;
        }
+        pci_set_master(pdev);
+        de_init_rings(de);
        de_init_hw(de);
 out_attach:
        netif_device_attach(dev);
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 4f123f869bdc..8110595fbbcc 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1643,6 +1643,8 @@ static int hso_get_count(struct hso_serial *serial,
        struct uart_icount cnow;
        struct hso_tiocmget  *tiocmget = serial->tiocmget;
+        memset(&icount, 0, sizeof(struct serial_icounter_struct));
        if (!tiocmget)
                 return -ENOENT;
        spin_lock_irq(&serial->serial_lock);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 393f02d94c4e..5c568933ce48 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2736,6 +2736,11 @@ int iwl_force_reset(struct iwl_priv *priv, int mode, bool external)
        if (test_bit(STATUS_EXIT_PENDING, &priv->status))
                return -EINVAL;
+        if (test_bit(STATUS_SCANNING, &priv->status)) {
+                IWL_DEBUG_INFO(priv, "scan in progress.\n");
+                return -EINVAL;
+        }
        if (mode >= IWL_MAX_FORCE_RESET) {
                IWL_DEBUG_INFO(priv, "invalid reset request.\n");
                return -EINVAL;
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 6edf20b62de5..2c7d2d9be4d0 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -1154,7 +1154,7 @@ static struct net_device *ctcm_init_netdevice(struct ctcm_priv *priv)
                                dev_fsm, dev_fsm_len, GFP_KERNEL);
        if (priv->fsm == NULL) {
                CTCMY_DBF_DEV(SETUP, dev, "init_fsm error");
-                kfree(dev);
+                free_netdev(dev);
                return NULL;
        }
        fsm_newstate(priv->fsm, DEV_STATE_STOPPED);
@@ -1165,7 +1165,7 @@ static struct net_device *ctcm_init_netdevice(struct ctcm_priv *priv)
                grp = ctcmpc_init_mpc_group(priv);
                if (grp == NULL) {
                        MPC_DBF_DEV(SETUP, dev, "init_mpc_group error");
-                        kfree(dev);
+                        free_netdev(dev);
                        return NULL;
                }
                tasklet_init(&grp->mpc_tasklet2,
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 29e850a7a2f9..7c8008225ee3 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -243,7 +243,7 @@ static int get_rx_bufs(struct vhost_virtqueue *vq,
        int r, nlogs = 0;
        while (datalen > 0) {
-                if (unlikely(headcount >= VHOST_NET_MAX_SG)) {
+                if (unlikely(seg >= VHOST_NET_MAX_SG)) {
                        r = -ENOBUFS;
                        goto err;
                }