47 files changed, 360 insertions, 178 deletions
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
index 1fcd5568a352..f3470d96837a 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -850,8 +850,10 @@ static int emac_probe(struct platform_device *pdev)
        }
        db->clk = devm_clk_get(&pdev->dev, NULL);
-        if (IS_ERR(db->clk))
+        if (IS_ERR(db->clk)) {
+                ret = PTR_ERR(db->clk);
                goto out;
+        }
        clk_prepare_enable(db->clk);
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index 3498760dc22a..760c72c6e2ac 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -1170,10 +1170,6 @@ tx_request_irq_error:
 init_error:
        free_skbufs(dev);
 alloc_skbuf_error:
-        if (priv->phydev) {
-                phy_disconnect(priv->phydev);
-                priv->phydev = NULL;
-        }
 phy_error:
        return ret;
 }
@@ -1186,12 +1182,9 @@ static int tse_shutdown(struct net_device *dev)
        int ret;
        unsigned long int flags;
-        /* Stop and disconnect the PHY */
+        /* Stop the PHY */
-        if (priv->phydev) {
+        if (priv->phydev)
                phy_stop(priv->phydev);
-                phy_disconnect(priv->phydev);
-                priv->phydev = NULL;
-        }
        netif_stop_queue(dev);
        napi_disable(&priv->napi);
@@ -1525,6 +1518,10 @@ err_free_netdev:
 static int altera_tse_remove(struct platform_device *pdev)
 {
        struct net_device *ndev = platform_get_drvdata(pdev);
+        struct altera_tse_private *priv = netdev_priv(ndev);
+        if (priv->phydev)
+                phy_disconnect(priv->phydev);
        platform_set_drvdata(pdev, NULL);
        altera_tse_mdio_destroy(ndev);
diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index e398eda07298..c8af3ce3ea38 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -184,15 +184,16 @@ static void alx_schedule_reset(struct alx_priv *alx)
        schedule_work(&alx->reset_wk);
 }
-static bool alx_clean_rx_irq(struct alx_priv *alx, int budget)
+static int alx_clean_rx_irq(struct alx_priv *alx, int budget)
 {
        struct alx_rx_queue *rxq = &alx->rxq;
        struct alx_rrd *rrd;
        struct alx_buffer *rxb;
        struct sk_buff *skb;
        u16 length, rfd_cleaned = 0;
+        int work = 0;
-        while (budget > 0) {
+        while (work < budget) {
                rrd = &rxq->rrd[rxq->rrd_read_idx];
                if (!(rrd->word3 & cpu_to_le32(1 << RRD_UPDATED_SHIFT)))
                        break;
@@ -203,7 +204,7 @@ static bool alx_clean_rx_irq(struct alx_priv *alx, int budget)
                    ALX_GET_FIELD(le32_to_cpu(rrd->word0),
                                  RRD_NOR) != 1) {
                        alx_schedule_reset(alx);
-                        return 0;
+                        return work;
                }
                rxb = &rxq->bufs[rxq->read_idx];
@@ -243,7 +244,7 @@ static bool alx_clean_rx_irq(struct alx_priv *alx, int budget)
                }
                napi_gro_receive(&alx->napi, skb);
-                budget--;
+                work++;
 next_pkt:
                if (++rxq->read_idx == alx->rx_ringsz)
@@ -258,21 +259,22 @@ next_pkt:
        if (rfd_cleaned)
                alx_refill_rx_ring(alx, GFP_ATOMIC);
-        return budget > 0;
+        return work;
 }
 static int alx_poll(struct napi_struct *napi, int budget)
 {
        struct alx_priv *alx = container_of(napi, struct alx_priv, napi);
        struct alx_hw *hw = &alx->hw;
-        bool complete = true;
        unsigned long flags;
+        bool tx_complete;
+        int work;
-        complete = alx_clean_tx_irq(alx) &&
+        tx_complete = alx_clean_tx_irq(alx);
-                   alx_clean_rx_irq(alx, budget);
+        work = alx_clean_rx_irq(alx, budget);
-        if (!complete)
+        if (!tx_complete || work == budget)
-                return 1;
+                return budget;
        napi_complete(&alx->napi);
@@ -284,7 +286,7 @@ static int alx_poll(struct napi_struct *napi, int budget)
        alx_post_write(hw);
-        return 0;
+        return work;
 }
 static irqreturn_t alx_intr_handle(struct alx_priv *alx, u32 intr)
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 553dcd8a9df2..96bf01ba32dd 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -7413,6 +7413,8 @@ static inline void tg3_netif_start(struct tg3 *tp)
 }
 static void tg3_irq_quiesce(struct tg3 *tp)
+        __releases(tp->lock)
+        __acquires(tp->lock)
 {
        int i;
@@ -7421,8 +7423,12 @@ static void tg3_irq_quiesce(struct tg3 *tp)
        tp->irq_sync = 1;
        smp_mb();
+        spin_unlock_bh(&tp->lock);
        for (i = 0; i < tp->irq_cnt; i++)
                synchronize_irq(tp->napi[i].irq_vec);
+        spin_lock_bh(&tp->lock);
 }
 /* Fully shutdown all tg3 driver activity elsewhere in the system.
@@ -9018,6 +9024,8 @@ static void tg3_restore_clk(struct tg3 *tp)
 /* tp->lock is held. */
 static int tg3_chip_reset(struct tg3 *tp)
+        __releases(tp->lock)
+        __acquires(tp->lock)
 {
        u32 val;
        void (*write_op)(struct tg3 *, u32, u32);
@@ -9073,9 +9081,13 @@ static int tg3_chip_reset(struct tg3 *tp)
        }
        smp_mb();
+        tg3_full_unlock(tp);
        for (i = 0; i < tp->irq_cnt; i++)
                synchronize_irq(tp->napi[i].irq_vec);
+        tg3_full_lock(tp, 0);
        if (tg3_asic_rev(tp) == ASIC_REV_57780) {
                val = tr32(TG3_PCIE_LNKCTL) & ~TG3_PCIE_LNKCTL_L1_PLL_PD_EN;
                tw32(TG3_PCIE_LNKCTL, val | TG3_PCIE_LNKCTL_L1_PLL_PD_DIS);
@@ -10903,11 +10915,13 @@ static void tg3_timer(unsigned long __opaque)
 {
        struct tg3 *tp = (struct tg3 *) __opaque;
-        if (tp->irq_sync || tg3_flag(tp, RESET_TASK_PENDING))
-                goto restart_timer;
        spin_lock(&tp->lock);
+        if (tp->irq_sync || tg3_flag(tp, RESET_TASK_PENDING)) {
+                spin_unlock(&tp->lock);
+                goto restart_timer;
+        }
        if (tg3_asic_rev(tp) == ASIC_REV_5717 ||
            tg3_flag(tp, 57765_CLASS))
                tg3_chk_missed_msi(tp);
@@ -11101,11 +11115,13 @@ static void tg3_reset_task(struct work_struct *work)
        struct tg3 *tp = container_of(work, struct tg3, reset_task);
        int err;
+        rtnl_lock();
        tg3_full_lock(tp, 0);
        if (!netif_running(tp->dev)) {
                tg3_flag_clear(tp, RESET_TASK_PENDING);
                tg3_full_unlock(tp);
+                rtnl_unlock();
                return;
        }
@@ -11138,6 +11154,7 @@ out:
                tg3_phy_start(tp);
        tg3_flag_clear(tp, RESET_TASK_PENDING);
+        rtnl_unlock();
 }
 static int tg3_request_irq(struct tg3 *tp, int irq_num)
diff --git a/drivers/net/ethernet/cadence/at91_ether.c b/drivers/net/ethernet/cadence/at91_ether.c
index 55eb7f2af2b4..7ef55f5fa664 100644
--- a/drivers/net/ethernet/cadence/at91_ether.c
+++ b/drivers/net/ethernet/cadence/at91_ether.c
@@ -340,7 +340,7 @@ static int __init at91ether_probe(struct platform_device *pdev)
                res = PTR_ERR(lp->pclk);
                goto err_free_dev;
        }
-        clk_enable(lp->pclk);
+        clk_prepare_enable(lp->pclk);
        lp->hclk = ERR_PTR(-ENOENT);
        lp->tx_clk = ERR_PTR(-ENOENT);
@@ -406,7 +406,7 @@ static int __init at91ether_probe(struct platform_device *pdev)
 err_out_unregister_netdev:
        unregister_netdev(dev);
 err_disable_clock:
-        clk_disable(lp->pclk);
+        clk_disable_unprepare(lp->pclk);
 err_free_dev:
        free_netdev(dev);
        return res;
@@ -424,7 +424,7 @@ static int at91ether_remove(struct platform_device *pdev)
        kfree(lp->mii_bus->irq);
        mdiobus_free(lp->mii_bus);
        unregister_netdev(dev);
-        clk_disable(lp->pclk);
+        clk_disable_unprepare(lp->pclk);
        free_netdev(dev);
        return 0;
@@ -440,7 +440,7 @@ static int at91ether_suspend(struct platform_device *pdev, pm_message_t mesg)
                netif_stop_queue(net_dev);
                netif_device_detach(net_dev);
-                clk_disable(lp->pclk);
+                clk_disable_unprepare(lp->pclk);
        }
        return 0;
 }
@@ -451,7 +451,7 @@ static int at91ether_resume(struct platform_device *pdev)
        struct macb *lp = netdev_priv(net_dev);
        if (netif_running(net_dev)) {
-                clk_enable(lp->pclk);
+                clk_prepare_enable(lp->pclk);
                netif_device_attach(net_dev);
                netif_start_queue(net_dev);
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 2215d432a059..a936ee8958c7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2430,7 +2430,7 @@ static void cfg_queues(struct adapter *adapter)
         */
        n10g = 0;
        for_each_port(adapter, pidx)
-                n10g += is_10g_port(&adap2pinfo(adapter, pidx)->link_cfg);
+                n10g += is_x_10g_port(&adap2pinfo(adapter, pidx)->link_cfg);
        /*
         * We default to 1 queue per non-10G port and up to # of cores queues
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
index 21dc9a20308c..60426cf890a7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
@@ -323,6 +323,8 @@ int t4vf_port_init(struct adapter *adapter, int pidx)
                return v;
        v = be32_to_cpu(port_rpl.u.info.lstatus_to_modtype);
+        pi->mdio_addr = (v & FW_PORT_CMD_MDIOCAP_F) ?
+                        FW_PORT_CMD_MDIOADDR_G(v) : -1;
        pi->port_type = FW_PORT_CMD_PTYPE_G(v);
        pi->mod_type = FW_PORT_MOD_TYPE_NA;
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 705f334ebb85..b29e027c476e 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -1616,7 +1616,7 @@ static int enic_open(struct net_device *netdev)
                if (vnic_rq_desc_used(&enic->rq[i]) == 0) {
                        netdev_err(netdev, "Unable to alloc receive buffers\n");
                        err = -ENOMEM;
-                        goto err_out_notify_unset;
+                        goto err_out_free_rq;
                }
        }
@@ -1649,7 +1649,9 @@ static int enic_open(struct net_device *netdev)
        return 0;
-err_out_notify_unset:
+err_out_free_rq:
+        for (i = 0; i < enic->rq_count; i++)
+                vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
        enic_dev_notify_unset(enic);
 err_out_free_intr:
        enic_free_intr(enic);
diff --git a/drivers/net/ethernet/dnet.c b/drivers/net/ethernet/dnet.c
index a379c3e4b57f..13d00a38a5bd 100644
--- a/drivers/net/ethernet/dnet.c
+++ b/drivers/net/ethernet/dnet.c
@@ -398,13 +398,8 @@ static int dnet_poll(struct napi_struct *napi, int budget)
                 * break out of while loop if there are no more
                 * packets waiting
                 */
-                if (!(dnet_readl(bp, RX_FIFO_WCNT) >> 16)) {
+                if (!(dnet_readl(bp, RX_FIFO_WCNT) >> 16))
-                        napi_complete(napi);
+                        break;
-                        int_enable = dnet_readl(bp, INTR_ENB);
-                        int_enable |= DNET_INTR_SRC_RX_CMDFIFOAF;
-                        dnet_writel(bp, int_enable, INTR_ENB);
-                        return 0;
-                }
                cmd_word = dnet_readl(bp, RX_LEN_FIFO);
                pkt_len = cmd_word & 0xFFFF;
@@ -433,20 +428,17 @@ static int dnet_poll(struct napi_struct *napi, int budget)
                               "size %u.\n", dev->name, pkt_len);
        }
-        budget -= npackets;
        if (npackets < budget) {
                /* We processed all packets available.  Tell NAPI it can
-                 * stop polling then re-enable rx interrupts */
+                 * stop polling then re-enable rx interrupts.
+                 */
                napi_complete(napi);
                int_enable = dnet_readl(bp, INTR_ENB);
                int_enable |= DNET_INTR_SRC_RX_CMDFIFOAF;
                dnet_writel(bp, int_enable, INTR_ENB);
-                return 0;
        }
-        /* There are still packets waiting */
+        return npackets;
-        return 1;
 }
 static irqreturn_t dnet_interrupt(int irq, void *dev_id)
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 469691ad4a1e..40132929daf7 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -424,6 +424,8 @@ struct bufdesc_ex {
 * (40ns * 6).
 */
 #define FEC_QUIRK_BUG_CAPTURE           (1 << 10)
+/* Controller has only one MDIO bus */
+#define FEC_QUIRK_SINGLE_MDIO           (1 << 11)
 struct fec_enet_priv_tx_q {
        int index;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 5ebdf8dc8a31..bba87775419d 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -91,7 +91,8 @@ static struct platform_device_id fec_devtype[] = {
                .driver_data = 0,
        }, {
                .name = "imx28-fec",
-                .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME,
+                .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME |
+                                FEC_QUIRK_SINGLE_MDIO,
        }, {
                .name = "imx6q-fec",
                .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
@@ -1937,7 +1938,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
        int err = -ENXIO, i;
        /*
-         * The dual fec interfaces are not equivalent with enet-mac.
+         * The i.MX28 dual fec interfaces are not equal.
         * Here are the differences:
         *
         *  - fec0 supports MII & RMII modes while fec1 only supports RMII
@@ -1952,7 +1953,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
         * mdio interface in board design, and need to be configured by
         * fec0 mii_bus.
         */
-        if ((fep->quirks & FEC_QUIRK_ENET_MAC) && fep->dev_id > 0) {
+        if ((fep->quirks & FEC_QUIRK_SINGLE_MDIO) && fep->dev_id > 0) {
                /* fec1 uses fec0 mii_bus */
                if (mii_cnt && fec0_mii_bus) {
                        fep->mii_bus = fec0_mii_bus;
@@ -2015,7 +2016,7 @@ static int fec_enet_mii_init(struct platform_device *pdev)
        mii_cnt++;
        /* save fec0 mii_bus */
-        if (fep->quirks & FEC_QUIRK_ENET_MAC)
+        if (fep->quirks & FEC_QUIRK_SINGLE_MDIO)
                fec0_mii_bus = fep->mii_bus;
        return 0;
@@ -3129,6 +3130,7 @@ fec_probe(struct platform_device *pdev)
                pdev->id_entry = of_id->data;
        fep->quirks = pdev->id_entry->driver_data;
+        fep->netdev = ndev;
        fep->num_rx_queues = num_rx_qs;
        fep->num_tx_queues = num_tx_qs;
diff --git a/drivers/net/ethernet/intel/Kconfig b/drivers/net/ethernet/intel/Kconfig
index 5b8300a32bf5..4d61ef50b465 100644
--- a/drivers/net/ethernet/intel/Kconfig
+++ b/drivers/net/ethernet/intel/Kconfig
@@ -281,6 +281,17 @@ config I40E_DCB
          If unsure, say N.
+config I40E_FCOE
+        bool "Fibre Channel over Ethernet (FCoE)"
+        default n
+        depends on I40E && DCB && FCOE
+        ---help---
+          Say Y here if you want to use Fibre Channel over Ethernet (FCoE)
+          in the driver. This will create new netdev for exclusive FCoE
+          use with XL710 FCoE offloads enabled.
+          If unsure, say N.
 config I40EVF
        tristate "Intel(R) XL710 X710 Virtual Function Ethernet support"
        depends on PCI_MSI
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index 781065eb5431..e9c3a87e5b11 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -1543,7 +1543,7 @@ static int e100_phy_init(struct nic *nic)
                mdio_write(netdev, nic->mii.phy_id, MII_BMCR, bmcr);
        } else if ((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
           (mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) &&
-                !(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) {
+                (nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) {
                /* enable/disable MDI/MDI-X auto-switching. */
                mdio_write(netdev, nic->mii.phy_id, MII_NCONFIG,
                                nic->mii.force_media ? 0 : NCONFIG_AUTO_SWITCH);
diff --git a/drivers/net/ethernet/intel/i40e/Makefile b/drivers/net/ethernet/intel/i40e/Makefile
index 4b94ddb29c24..c40581999121 100644
--- a/drivers/net/ethernet/intel/i40e/Makefile
+++ b/drivers/net/ethernet/intel/i40e/Makefile
@@ -44,4 +44,4 @@ i40e-objs := i40e_main.o \
        i40e_virtchnl_pf.o
 i40e-$(CONFIG_I40E_DCB) += i40e_dcb.o i40e_dcb_nl.o
-i40e-$(CONFIG_FCOE:m=y) += i40e_fcoe.o
+i40e-$(CONFIG_I40E_FCOE) += i40e_fcoe.o
diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
index 433a55886ad2..cb0de455683e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -829,7 +829,7 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
                if (desc_n >= ring->count || desc_n < 0) {
                        dev_info(&pf->pdev->dev,
                                 "descriptor %d not found\n", desc_n);
-                        return;
+                        goto out;
                }
                if (!is_rx_ring) {
                        txd = I40E_TX_DESC(ring, desc_n);
@@ -855,6 +855,8 @@ static void i40e_dbg_dump_desc(int cnt, int vsi_seid, int ring_id, int desc_n,
        } else {
                dev_info(&pf->pdev->dev, "dump desc rx/tx <vsi_seid> <ring_id> [<desc_n>]\n");
        }
+out:
        kfree(ring);
 }
diff --git a/drivers/net/ethernet/intel/i40e/i40e_osdep.h b/drivers/net/ethernet/intel/i40e/i40e_osdep.h
index 045b5c4b98b3..ad802dd0f67a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_osdep.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_osdep.h
@@ -78,7 +78,7 @@ do {                                                            \
 } while (0)
 typedef enum i40e_status_code i40e_status;
-#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+#ifdef CONFIG_I40E_FCOE
 #define I40E_FCOE
-#endif /* CONFIG_FCOE or CONFIG_FCOE_MODULE */
+#endif
 #endif /* _I40E_OSDEP_H_ */
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 04b441460bbd..cecb340898fe 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -658,6 +658,8 @@ static inline u32 i40e_get_head(struct i40e_ring *tx_ring)
        return le32_to_cpu(*(volatile __le32 *)head);
 }
+#define WB_STRIDE 0x3
 /**
 * i40e_clean_tx_irq - Reclaim resources after transmit completes
 * @tx_ring:  tx ring to clean
@@ -759,6 +761,18 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
        tx_ring->q_vector->tx.total_bytes += total_bytes;
        tx_ring->q_vector->tx.total_packets += total_packets;
+        /* check to see if there are any non-cache aligned descriptors
+         * waiting to be written back, and kick the hardware to force
+         * them to be written back in case of napi polling
+         */
+        if (budget &&
+            !((i & WB_STRIDE) == WB_STRIDE) &&
+            !test_bit(__I40E_DOWN, &tx_ring->vsi->state) &&
+            (I40E_DESC_UNUSED(tx_ring) != tx_ring->count))
+                tx_ring->arm_wb = true;
+        else
+                tx_ring->arm_wb = false;
        if (check_for_tx_hang(tx_ring) && i40e_check_tx_hang(tx_ring)) {
                /* schedule immediate reset if we believe we hung */
                dev_info(tx_ring->dev, "Detected Tx Unit Hang\n"
@@ -777,13 +791,16 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
                netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index);
                dev_info(tx_ring->dev,
-                         "tx hang detected on queue %d, resetting adapter\n",
+                         "tx hang detected on queue %d, reset requested\n",
                         tx_ring->queue_index);
-                tx_ring->netdev->netdev_ops->ndo_tx_timeout(tx_ring->netdev);
+                /* do not fire the reset immediately, wait for the stack to
+                 * decide we are truly stuck, also prevents every queue from
+                 * simultaneously requesting a reset
+                 */
-                /* the adapter is about to reset, no point in enabling stuff */
+                /* the adapter is about to reset, no point in enabling polling */
-                return true;
+                budget = 1;
        }
        netdev_tx_completed_queue(netdev_get_tx_queue(tx_ring->netdev,
@@ -806,7 +823,25 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
                }
        }
-        return budget > 0;
+        return !!budget;
+}
+/**
+ * i40e_force_wb - Arm hardware to do a wb on noncache aligned descriptors
+ * @vsi: the VSI we care about
+ * @q_vector: the vector  on which to force writeback
+ *
+ **/
+static void i40e_force_wb(struct i40e_vsi *vsi, struct i40e_q_vector *q_vector)
+{
+        u32 val = I40E_PFINT_DYN_CTLN_INTENA_MASK |
+                  I40E_PFINT_DYN_CTLN_SWINT_TRIG_MASK |
+                  I40E_PFINT_DYN_CTLN_SW_ITR_INDX_ENA_MASK
+                  /* allow 00 to be written to the index */;
+        wr32(&vsi->back->hw,
+             I40E_PFINT_DYN_CTLN(q_vector->v_idx + vsi->base_vector - 1),
+             val);
 }
 /**
@@ -1290,9 +1325,7 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi,
         * so the total length of IPv4 header is IHL*4 bytes
         * The UDP_0 bit *may* bet set if the *inner* header is UDP
         */
-        if (ipv4_tunnel &&
+        if (ipv4_tunnel) {
-            (decoded.inner_prot != I40E_RX_PTYPE_INNER_PROT_UDP) &&
-            !(rx_status & (1 << I40E_RX_DESC_STATUS_UDP_0_SHIFT))) {
                skb->transport_header = skb->mac_header +
                                        sizeof(struct ethhdr) +
                                        (ip_hdr(skb)->ihl * 4);
@@ -1302,15 +1335,19 @@ static inline void i40e_rx_checksum(struct i40e_vsi *vsi,
                                          skb->protocol == htons(ETH_P_8021AD))
                                          ? VLAN_HLEN : 0;
-                rx_udp_csum = udp_csum(skb);
+                if ((ip_hdr(skb)->protocol == IPPROTO_UDP) &&
-                iph = ip_hdr(skb);
+                    (udp_hdr(skb)->check != 0)) {
-                csum = csum_tcpudp_magic(
+                        rx_udp_csum = udp_csum(skb);
-                                iph->saddr, iph->daddr,
+                        iph = ip_hdr(skb);
-                                (skb->len - skb_transport_offset(skb)),
+                        csum = csum_tcpudp_magic(
-                                IPPROTO_UDP, rx_udp_csum);
+                                        iph->saddr, iph->daddr,
+                                        (skb->len - skb_transport_offset(skb)),
+                                        IPPROTO_UDP, rx_udp_csum);
-                if (udp_hdr(skb)->check != csum)
+                        if (udp_hdr(skb)->check != csum)
-                        goto checksum_fail;
+                                goto checksum_fail;
+                } /* else its GRE and so no outer UDP header */
        }
        skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -1581,6 +1618,7 @@ int i40e_napi_poll(struct napi_struct *napi, int budget)
        struct i40e_vsi *vsi = q_vector->vsi;
        struct i40e_ring *ring;
        bool clean_complete = true;
+        bool arm_wb = false;
        int budget_per_ring;
        if (test_bit(__I40E_DOWN, &vsi->state)) {
@@ -1591,8 +1629,10 @@ int i40e_napi_poll(struct napi_struct *napi, int budget)
        /* Since the actual Tx work is minimal, we can give the Tx a larger
         * budget and be more aggressive about cleaning up the Tx descriptors.
         */
-        i40e_for_each_ring(ring, q_vector->tx)
+        i40e_for_each_ring(ring, q_vector->tx) {
                clean_complete &= i40e_clean_tx_irq(ring, vsi->work_limit);
+                arm_wb |= ring->arm_wb;
+        }
        /* We attempt to distribute budget to each Rx queue fairly, but don't
         * allow the budget to go below 1 because that would exit polling early.
@@ -1603,8 +1643,11 @@ int i40e_napi_poll(struct napi_struct *napi, int budget)
                clean_complete &= i40e_clean_rx_irq(ring, budget_per_ring);
        /* If work not completed, return budget and polling will return */
-        if (!clean_complete)
+        if (!clean_complete) {
+                if (arm_wb)
+                        i40e_force_wb(vsi, q_vector);
                return budget;
+        }
        /* Work is done so exit the polling mode and re-enable the interrupt */
        napi_complete(napi);
@@ -1840,17 +1883,16 @@ static int i40e_tso(struct i40e_ring *tx_ring, struct sk_buff *skb,
        if (err < 0)
                return err;
-        if (protocol == htons(ETH_P_IP)) {
+        iph = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb);
-                iph = skb->encapsulation ? inner_ip_hdr(skb) : ip_hdr(skb);
+        ipv6h = skb->encapsulation ? inner_ipv6_hdr(skb) : ipv6_hdr(skb);
+        if (iph->version == 4) {
                tcph = skb->encapsulation ? inner_tcp_hdr(skb) : tcp_hdr(skb);
                iph->tot_len = 0;
                iph->check = 0;
                tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
                                                 0, IPPROTO_TCP, 0);
-        } else if (skb_is_gso_v6(skb)) {
+        } else if (ipv6h->version == 6) {
-                ipv6h = skb->encapsulation ? inner_ipv6_hdr(skb)
-                                           : ipv6_hdr(skb);
                tcph = skb->encapsulation ? inner_tcp_hdr(skb) : tcp_hdr(skb);
                ipv6h->payload_len = 0;
                tcph->check = ~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr,
@@ -1946,13 +1988,9 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags,
                                         I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM;
                        }
                } else if (tx_flags & I40E_TX_FLAGS_IPV6) {
-                        if (tx_flags & I40E_TX_FLAGS_TSO) {
+                        *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6;
-                                *cd_tunneling |= I40E_TX_CTX_EXT_IP_IPV6;
+                        if (tx_flags & I40E_TX_FLAGS_TSO)
                                ip_hdr(skb)->check = 0;
-                        } else {
-                                *cd_tunneling |=
-                                         I40E_TX_CTX_EXT_IP_IPV4_NO_CSUM;
-                        }
                }
                /* Now set the ctx descriptor fields */
@@ -1962,7 +2000,10 @@ static void i40e_tx_enable_csum(struct sk_buff *skb, u32 tx_flags,
                                   ((skb_inner_network_offset(skb) -
                                        skb_transport_offset(skb)) >> 1) <<
                                   I40E_TXD_CTX_QW0_NATLEN_SHIFT;
+                if (this_ip_hdr->version == 6) {
+                        tx_flags &= ~I40E_TX_FLAGS_IPV4;
+                        tx_flags |= I40E_TX_FLAGS_IPV6;
+                }
        } else {
                network_hdr_len = skb_network_header_len(skb);
                this_ip_hdr = ip_hdr(skb);
@@ -2198,7 +2239,6 @@ static void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,
        /* Place RS bit on last descriptor of any packet that spans across the
         * 4th descriptor (WB_STRIDE aka 0x3) in a 64B cacheline.
         */
-#define WB_STRIDE 0x3
        if (((i & WB_STRIDE) != WB_STRIDE) &&
            (first <= &tx_ring->tx_bi[i]) &&
            (first >= &tx_ring->tx_bi[i & ~WB_STRIDE])) {
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index e60d3accb2e2..18b00231d2f1 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -241,6 +241,7 @@ struct i40e_ring {
        unsigned long last_rx_timestamp;
        bool ring_active;               /* is ring online or not */
+        bool arm_wb;            /* do something to arm write back */
        /* stats structs */
        struct i40e_queue_stats stats;
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c
index 051ea94bdcd3..0f69ef81751a 100644
--- a/drivers/net/ethernet/intel/igb/e1000_82575.c
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.c
@@ -1125,7 +1125,7 @@ static s32 igb_acquire_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
        u32 swmask = mask;
        u32 fwmask = mask << 16;
        s32 ret_val = 0;
-        s32 i = 0, timeout = 200; /* FIXME: find real value to use here */
+        s32 i = 0, timeout = 200;
        while (i < timeout) {
                if (igb_get_hw_semaphore(hw)) {
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 943cbd47d832..03e9eb0dc761 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -1829,7 +1829,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
                err = mlx4_dev_cap(dev, &dev_cap);
                if (err) {
                        mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting\n");
-                        goto err_stop_fw;
+                        return err;
                }
                choose_steering_mode(dev, &dev_cap);
@@ -1860,7 +1860,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
                                             &init_hca);
                if ((long long) icm_size < 0) {
                        err = icm_size;
-                        goto err_stop_fw;
+                        return err;
                }
                dev->caps.max_fmr_maps = (1 << (32 - ilog2(dev->caps.num_mpts))) - 1;
@@ -1874,7 +1874,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
                err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size);
                if (err)
-                        goto err_stop_fw;
+                        return err;
                err = mlx4_INIT_HCA(dev, &init_hca);
                if (err) {
@@ -1886,7 +1886,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
                        err = mlx4_query_func(dev, &dev_cap);
                        if (err < 0) {
                                mlx4_err(dev, "QUERY_FUNC command failed, aborting.\n");
-                                goto err_stop_fw;
+                                goto err_close;
                        } else if (err & MLX4_QUERY_FUNC_NUM_SYS_EQS) {
                                dev->caps.num_eqs = dev_cap.max_eqs;
                                dev->caps.reserved_eqs = dev_cap.reserved_eqs;
@@ -2006,11 +2006,6 @@ err_free_icm:
        if (!mlx4_is_slave(dev))
                mlx4_free_icms(dev);
-err_stop_fw:
-        if (!mlx4_is_slave(dev)) {
-                mlx4_UNMAP_FA(dev);
-                mlx4_free_icm(dev, priv->fw.fw_icm, 0);
-        }
        return err;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c
index d6f549685c0f..7094a9c70fd5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mr.c
@@ -584,6 +584,7 @@ EXPORT_SYMBOL_GPL(mlx4_mr_free);
 void mlx4_mr_rereg_mem_cleanup(struct mlx4_dev *dev, struct mlx4_mr *mr)
 {
        mlx4_mtt_cleanup(dev, &mr->mtt);
+        mr->mtt.order = -1;
 }
 EXPORT_SYMBOL_GPL(mlx4_mr_rereg_mem_cleanup);
@@ -593,14 +594,14 @@ int mlx4_mr_rereg_mem_write(struct mlx4_dev *dev, struct mlx4_mr *mr,
 {
        int err;
-        mpt_entry->start       = cpu_to_be64(iova);
-        mpt_entry->length      = cpu_to_be64(size);
-        mpt_entry->entity_size = cpu_to_be32(page_shift);
        err = mlx4_mtt_init(dev, npages, page_shift, &mr->mtt);
        if (err)
                return err;
+        mpt_entry->start       = cpu_to_be64(mr->iova);
+        mpt_entry->length      = cpu_to_be64(mr->size);
+        mpt_entry->entity_size = cpu_to_be32(mr->mtt.page_shift);
        mpt_entry->pd_flags &= cpu_to_be32(MLX4_MPT_PD_MASK |
                                           MLX4_MPT_PD_FLAG_EN_INV);
        mpt_entry->flags    &= cpu_to_be32(MLX4_MPT_FLAG_FREE |
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
index af099057f0e9..71af98bb72cb 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -4033,8 +4033,10 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        (void)pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
        mgp->cmd = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->cmd),
                                      &mgp->cmd_bus, GFP_KERNEL);
-        if (mgp->cmd == NULL)
+        if (!mgp->cmd) {
+                status = -ENOMEM;
                goto abort_with_enabled;
+        }
        mgp->board_span = pci_resource_len(pdev, 0);
        mgp->iomem_base = pci_resource_start(pdev, 0);
diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c
index c2f09af5c25b..4847713211ca 100644
--- a/drivers/net/ethernet/qlogic/qla3xxx.c
+++ b/drivers/net/ethernet/qlogic/qla3xxx.c
@@ -146,10 +146,7 @@ static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
 {
        int i = 0;
-        while (i < 10) {
+        do {
-                if (i)
-                        ssleep(1);
                if (ql_sem_lock(qdev,
                                QL_DRVR_SEM_MASK,
                                (QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index)
@@ -158,7 +155,8 @@ static int ql_wait_for_drvr_lock(struct ql3_adapter *qdev)
                                      "driver lock acquired\n");
                        return 1;
                }
-        }
+                ssleep(1);
+        } while (++i < 10);
        netdev_err(qdev->ndev, "Timed out waiting for driver lock...\n");
        return 0;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 9929b97cfb36..2528c3fb6b90 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -2605,6 +2605,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        } else {
                dev_err(&pdev->dev,
                        "%s: failed. Please Reboot\n", __func__);
+                err = -ENODEV;
                goto err_out_free_hw;
        }
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index c29ba80ae02b..37583a9d8853 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -473,6 +473,7 @@ static struct sh_eth_cpu_data r8a777x_data = {
        .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RFE |
                          EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE |
                          EESR_ECI,
+        .fdr_value      = 0x00000f0f,
        .apr            = 1,
        .mpr            = 1,
@@ -495,6 +496,7 @@ static struct sh_eth_cpu_data r8a779x_data = {
        .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RFE |
                          EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE |
                          EESR_ECI,
+        .fdr_value      = 0x00000f0f,
        .apr            = 1,
        .mpr            = 1,
@@ -536,6 +538,8 @@ static struct sh_eth_cpu_data sh7724_data = {
                          EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE |
                          EESR_ECI,
+        .trscer_err_mask = DESC_I_RINT8,
        .apr            = 1,
        .mpr            = 1,
        .tpauser        = 1,
@@ -856,6 +860,9 @@ static void sh_eth_set_default_cpu_data(struct sh_eth_cpu_data *cd)
        if (!cd->eesr_err_check)
                cd->eesr_err_check = DEFAULT_EESR_ERR_CHECK;
+        if (!cd->trscer_err_mask)
+                cd->trscer_err_mask = DEFAULT_TRSCER_ERR_MASK;
 }
 static int sh_eth_check_reset(struct net_device *ndev)
@@ -1294,7 +1301,7 @@ static int sh_eth_dev_init(struct net_device *ndev, bool start)
        /* Frame recv control (enable multiple-packets per rx irq) */
        sh_eth_write(ndev, RMCR_RNC, RMCR);
-        sh_eth_write(ndev, DESC_I_RINT8 | DESC_I_RINT5 | DESC_I_TINT2, TRSCER);
+        sh_eth_write(ndev, mdp->cd->trscer_err_mask, TRSCER);
        if (mdp->cd->bculr)
                sh_eth_write(ndev, 0x800, BCULR);       /* Burst sycle set */
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index 22301bf9c21d..71f5de1171bd 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -369,6 +369,8 @@ enum DESC_I_BIT {
        DESC_I_RINT1 = 0x0001,
 };
+#define DEFAULT_TRSCER_ERR_MASK (DESC_I_RINT8 | DESC_I_RINT5 | DESC_I_TINT2)
 /* RPADIR */
 enum RPADIR_BIT {
        RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000,
@@ -470,6 +472,9 @@ struct sh_eth_cpu_data {
        unsigned long tx_check;
        unsigned long eesr_err_check;
+        /* Error mask */
+        unsigned long trscer_err_mask;
        /* hardware features */
        unsigned long irq_flags; /* IRQ configuration flags */
        unsigned no_psr:1;      /* EtherC DO NOT have PSR */
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index c560f9aeb55d..64d1cef4cda1 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -610,7 +610,7 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable)
                        /* Clear all mcast from ALE */
                        cpsw_ale_flush_multicast(ale, ALE_ALL_PORTS <<
-                                                 priv->host_port);
+                                                 priv->host_port, -1);
                        /* Flood All Unicast Packets to Host port */
                        cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 1);
@@ -634,6 +634,12 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable)
 static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
 {
        struct cpsw_priv *priv = netdev_priv(ndev);
+        int vid;
+        if (priv->data.dual_emac)
+                vid = priv->slaves[priv->emac_port].port_vlan;
+        else
+                vid = priv->data.default_vlan;
        if (ndev->flags & IFF_PROMISC) {
                /* Enable promiscuous mode */
@@ -649,7 +655,8 @@ static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
        cpsw_ale_set_allmulti(priv->ale, priv->ndev->flags & IFF_ALLMULTI);
        /* Clear all mcast from ALE */
-        cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port);
+        cpsw_ale_flush_multicast(priv->ale, ALE_ALL_PORTS << priv->host_port,
+                                 vid);
        if (!netdev_mc_empty(ndev)) {
                struct netdev_hw_addr *ha;
@@ -757,6 +764,14 @@ requeue:
 static irqreturn_t cpsw_interrupt(int irq, void *dev_id)
 {
        struct cpsw_priv *priv = dev_id;
+        int value = irq - priv->irqs_table[0];
+        /* NOTICE: Ending IRQ here. The trick with the 'value' variable above
+         * is to make sure we will always write the correct value to the EOI
+         * register. Namely 0 for RX_THRESH Interrupt, 1 for RX Interrupt, 2
+         * for TX Interrupt and 3 for MISC Interrupt.
+         */
+        cpdma_ctlr_eoi(priv->dma, value);
        cpsw_intr_disable(priv);
        if (priv->irq_enabled == true) {
@@ -786,8 +801,6 @@ static int cpsw_poll(struct napi_struct *napi, int budget)
        int                     num_tx, num_rx;
        num_tx = cpdma_chan_process(priv->txch, 128);
-        if (num_tx)
-                cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
        num_rx = cpdma_chan_process(priv->rxch, budget);
        if (num_rx < budget) {
@@ -795,7 +808,6 @@ static int cpsw_poll(struct napi_struct *napi, int budget)
                napi_complete(napi);
                cpsw_intr_enable(priv);
-                cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
                prim_cpsw = cpsw_get_slave_priv(priv, 0);
                if (prim_cpsw->irq_enabled == false) {
                        prim_cpsw->irq_enabled = true;
@@ -1310,8 +1322,6 @@ static int cpsw_ndo_open(struct net_device *ndev)
        napi_enable(&priv->napi);
        cpdma_ctlr_start(priv->dma);
        cpsw_intr_enable(priv);
-        cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
-        cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
        prim_cpsw = cpsw_get_slave_priv(priv, 0);
        if (prim_cpsw->irq_enabled == false) {
@@ -1578,9 +1588,6 @@ static void cpsw_ndo_tx_timeout(struct net_device *ndev)
        cpdma_chan_start(priv->txch);
        cpdma_ctlr_int_ctrl(priv->dma, true);
        cpsw_intr_enable(priv);
-        cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
-        cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
 }
 static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
@@ -1620,9 +1627,6 @@ static void cpsw_ndo_poll_controller(struct net_device *ndev)
        cpsw_interrupt(ndev->irq, priv);
        cpdma_ctlr_int_ctrl(priv->dma, true);
        cpsw_intr_enable(priv);
-        cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_RX);
-        cpdma_ctlr_eoi(priv->dma, CPDMA_EOI_TX);
 }
 #endif
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 097ebe7077ac..5246b3a18ff8 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -234,7 +234,7 @@ static void cpsw_ale_flush_mcast(struct cpsw_ale *ale, u32 *ale_entry,
                cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);
 }
-int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask)
+int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid)
 {
        u32 ale_entry[ALE_ENTRY_WORDS];
        int ret, idx;
@@ -245,6 +245,14 @@ int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask)
                if (ret != ALE_TYPE_ADDR && ret != ALE_TYPE_VLAN_ADDR)
                        continue;
+                /* if vid passed is -1 then remove all multicast entry from
+                 * the table irrespective of vlan id, if a valid vlan id is
+                 * passed then remove only multicast added to that vlan id.
+                 * if vlan id doesn't match then move on to next entry.
+                 */
+                if (vid != -1 && cpsw_ale_get_vlan_id(ale_entry) != vid)
+                        continue;
                if (cpsw_ale_get_mcast(ale_entry)) {
                        u8 addr[6];
diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h
index c0d4127aa549..af1e7ecd87c6 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.h
+++ b/drivers/net/ethernet/ti/cpsw_ale.h
@@ -92,7 +92,7 @@ void cpsw_ale_stop(struct cpsw_ale *ale);
 int cpsw_ale_set_ageout(struct cpsw_ale *ale, int ageout);
 int cpsw_ale_flush(struct cpsw_ale *ale, int port_mask);
-int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask);
+int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid);
 int cpsw_ale_add_ucast(struct cpsw_ale *ale, u8 *addr, int port,
                       int flags, u16 vid);
 int cpsw_ale_del_ucast(struct cpsw_ale *ale, u8 *addr, int port,
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 9c2d91ea0af4..dbcbf0c5bcfa 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -1043,6 +1043,7 @@ static int temac_of_probe(struct platform_device *op)
        lp->regs = of_iomap(op->dev.of_node, 0);
        if (!lp->regs) {
                dev_err(&op->dev, "could not map temac regs.\n");
+                rc = -ENOMEM;
                goto nodev;
        }
@@ -1062,6 +1063,7 @@ static int temac_of_probe(struct platform_device *op)
        np = of_parse_phandle(op->dev.of_node, "llink-connected", 0);
        if (!np) {
                dev_err(&op->dev, "could not find DMA node\n");
+                rc = -ENODEV;
                goto err_iounmap;
        }
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index c18a0c637c44..a6d2860b712c 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -1501,6 +1501,7 @@ static int axienet_of_probe(struct platform_device *op)
        lp->regs = of_iomap(op->dev.of_node, 0);
        if (!lp->regs) {
                dev_err(&op->dev, "could not map Axi Ethernet regs.\n");
+                ret = -ENOMEM;
                goto nodev;
        }
        /* Setup checksum offload, but default to off if not specified */
@@ -1563,6 +1564,7 @@ static int axienet_of_probe(struct platform_device *op)
        np = of_parse_phandle(op->dev.of_node, "axistream-connected", 0);
        if (!np) {
                dev_err(&op->dev, "could not find DMA node\n");
+                ret = -ENODEV;
                goto err_iounmap;
        }
        lp->dma_regs = of_iomap(np, 0);
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 24858799c204..9d4ce388510a 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -1109,6 +1109,7 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
        res = platform_get_resource(ofdev, IORESOURCE_IRQ, 0);
        if (!res) {
                dev_err(dev, "no IRQ found\n");
+                rc = -ENXIO;
                goto error;
        }
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 93e224217e24..f7ff493f1e73 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -629,6 +629,7 @@ static int team_change_mode(struct team *team, const char *kind)
 static void team_notify_peers_work(struct work_struct *work)
 {
        struct team *team;
+        int val;
        team = container_of(work, struct team, notify_peers.dw.work);
@@ -636,9 +637,14 @@ static void team_notify_peers_work(struct work_struct *work)
                schedule_delayed_work(&team->notify_peers.dw, 0);
                return;
        }
+        val = atomic_dec_if_positive(&team->notify_peers.count_pending);
+        if (val < 0) {
+                rtnl_unlock();
+                return;
+        }
        call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, team->dev);
        rtnl_unlock();
-        if (!atomic_dec_and_test(&team->notify_peers.count_pending))
+        if (val)
                schedule_delayed_work(&team->notify_peers.dw,
                                      msecs_to_jiffies(team->notify_peers.interval));
 }
@@ -669,6 +675,7 @@ static void team_notify_peers_fini(struct team *team)
 static void team_mcast_rejoin_work(struct work_struct *work)
 {
        struct team *team;
+        int val;
        team = container_of(work, struct team, mcast_rejoin.dw.work);
@@ -676,9 +683,14 @@ static void team_mcast_rejoin_work(struct work_struct *work)
                schedule_delayed_work(&team->mcast_rejoin.dw, 0);
                return;
        }
+        val = atomic_dec_if_positive(&team->mcast_rejoin.count_pending);
+        if (val < 0) {
+                rtnl_unlock();
+                return;
+        }
        call_netdevice_notifiers(NETDEV_RESEND_IGMP, team->dev);
        rtnl_unlock();
-        if (!atomic_dec_and_test(&team->mcast_rejoin.count_pending))
+        if (val)
                schedule_delayed_work(&team->mcast_rejoin.dw,
                                      msecs_to_jiffies(team->mcast_rejoin.interval));
 }
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index dcb6d33141e0..1e9cdca37014 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -1276,7 +1276,7 @@ static int usb_start_wait_urb(struct urb *urb, int timeout, int* actual_length)
        awd.done = 0;
        urb->context = &awd;
-        status = usb_submit_urb(urb, GFP_NOIO);
+        status = usb_submit_urb(urb, GFP_ATOMIC);
        if (status) {
                // something went wrong
                usb_free_urb(urb);
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index b8a82b86f909..602dc6668c3a 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -56,6 +56,8 @@ struct qmi_wwan_state {
 /* default ethernet address used by the modem */
 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3};
+static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00};
 /* Make up an ethernet header if the packet doesn't have one.
 *
 * A firmware bug common among several devices cause them to send raw
@@ -332,10 +334,12 @@ next_desc:
                usb_driver_release_interface(driver, info->data);
        }
-        /* Never use the same address on both ends of the link, even
+        /* Never use the same address on both ends of the link, even if the
-         * if the buggy firmware told us to.
+         * buggy firmware told us to. Or, if device is assigned the well-known
+         * buggy firmware MAC address, replace it with a random address,
         */
-        if (ether_addr_equal(dev->net->dev_addr, default_modem_addr))
+        if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) ||
+            ether_addr_equal(dev->net->dev_addr, buggy_fw_addr))
                eth_hw_addr_random(dev->net);
        /* make MAC addr easily distinguishable from an IP header */
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 2d1c77e81836..57ec23e8ccfa 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1897,6 +1897,22 @@ static void _rtl8152_set_rx_mode(struct net_device *netdev)
        netif_wake_queue(netdev);
 }
+static netdev_features_t
+rtl8152_features_check(struct sk_buff *skb, struct net_device *dev,
+                       netdev_features_t features)
+{
+        u32 mss = skb_shinfo(skb)->gso_size;
+        int max_offset = mss ? GTTCPHO_MAX : TCPHO_MAX;
+        int offset = skb_transport_offset(skb);
+        if ((mss || skb->ip_summed == CHECKSUM_PARTIAL) && offset > max_offset)
+                features &= ~(NETIF_F_ALL_CSUM | NETIF_F_GSO_MASK);
+        else if ((skb->len + sizeof(struct tx_desc)) > agg_buf_sz)
+                features &= ~NETIF_F_GSO_MASK;
+        return features;
+}
 static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
                                      struct net_device *netdev)
 {
@@ -3706,6 +3722,7 @@ static const struct net_device_ops rtl8152_netdev_ops = {
        .ndo_set_mac_address    = rtl8152_set_mac_address,
        .ndo_change_mtu         = rtl8152_change_mtu,
        .ndo_validate_addr      = eth_validate_addr,
+        .ndo_features_check     = rtl8152_features_check,
 };
 static void r8152b_get_version(struct r8152 *tp)
diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c
index e5be2d21868f..a5f9198d5747 100644
--- a/drivers/net/wireless/iwlwifi/iwl-7000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-7000.c
@@ -69,8 +69,8 @@
 #include "iwl-agn-hw.h"
 /* Highest firmware API version supported */
-#define IWL7260_UCODE_API_MAX   10
+#define IWL7260_UCODE_API_MAX   12
-#define IWL3160_UCODE_API_MAX   10
+#define IWL3160_UCODE_API_MAX   12
 /* Oldest version we won't warn about */
 #define IWL7260_UCODE_API_OK    10
@@ -105,7 +105,7 @@
 #define IWL7265_MODULE_FIRMWARE(api) IWL7265_FW_PRE __stringify(api) ".ucode"
 #define IWL7265D_FW_PRE "iwlwifi-7265D-"
-#define IWL7265D_MODULE_FIRMWARE(api) IWL7265_FW_PRE __stringify(api) ".ucode"
+#define IWL7265D_MODULE_FIRMWARE(api) IWL7265D_FW_PRE __stringify(api) ".ucode"
 #define NVM_HW_SECTION_NUM_FAMILY_7000          0
diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c
index bf0a95cb7153..3668fc57e770 100644
--- a/drivers/net/wireless/iwlwifi/iwl-8000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-8000.c
@@ -69,7 +69,7 @@
 #include "iwl-agn-hw.h"
 /* Highest firmware API version supported */
-#define IWL8000_UCODE_API_MAX   10
+#define IWL8000_UCODE_API_MAX   12
 /* Oldest version we won't warn about */
 #define IWL8000_UCODE_API_OK    10
diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-file.h b/drivers/net/wireless/iwlwifi/iwl-fw-file.h
index f2a047f6bb3e..1bbe4fc47b97 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw-file.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw-file.h
@@ -243,6 +243,9 @@ enum iwl_ucode_tlv_flag {
 * @IWL_UCODE_TLV_API_SF_NO_DUMMY_NOTIF: ucode supports disabling dummy notif.
 * @IWL_UCODE_TLV_API_FRAGMENTED_SCAN: This ucode supports active dwell time
 *      longer than the passive one, which is essential for fragmented scan.
+ * @IWL_UCODE_TLV_API_BASIC_DWELL: use only basic dwell time in scan command,
+ *      regardless of the band or the number of the probes. FW will calculate
+ *      the actual dwell time.
 */
 enum iwl_ucode_tlv_api {
        IWL_UCODE_TLV_API_WOWLAN_CONFIG_TID     = BIT(0),
@@ -253,6 +256,7 @@ enum iwl_ucode_tlv_api {
        IWL_UCODE_TLV_API_LMAC_SCAN             = BIT(6),
        IWL_UCODE_TLV_API_SF_NO_DUMMY_NOTIF     = BIT(7),
        IWL_UCODE_TLV_API_FRAGMENTED_SCAN       = BIT(8),
+        IWL_UCODE_TLV_API_BASIC_DWELL           = BIT(13),
 };
 /**
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
index 1f2acf47bfb2..201846de94e7 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
@@ -672,6 +672,7 @@ struct iwl_scan_channel_opt {
 * @IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED: all passive scans will be fragmented
 * @IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED: insert WFA vendor-specific TPC report
 *      and DS parameter set IEs into probe requests.
+ * @IWL_MVM_LMAC_SCAN_FLAG_MATCH: Send match found notification on matches
 */
 enum iwl_mvm_lmac_scan_flags {
        IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL         = BIT(0),
@@ -681,6 +682,7 @@ enum iwl_mvm_lmac_scan_flags {
        IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS   = BIT(4),
        IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED       = BIT(5),
        IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED     = BIT(6),
+        IWL_MVM_LMAC_SCAN_FLAG_MATCH            = BIT(9),
 };
 enum iwl_scan_priority {
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index e5294d01181e..ec9a8e7bae1d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -171,15 +171,21 @@ static void iwl_mvm_scan_fill_ssids(struct iwl_ssid_ie *cmd_ssid,
 * already included in the probe template, so we need to set only
 * req->n_ssids - 1 bits in addition to the first bit.
 */
-static u16 iwl_mvm_get_active_dwell(enum ieee80211_band band, int n_ssids)
+static u16 iwl_mvm_get_active_dwell(struct iwl_mvm *mvm,
+                                    enum ieee80211_band band, int n_ssids)
 {
+        if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BASIC_DWELL)
+                return 10;
        if (band == IEEE80211_BAND_2GHZ)
                return 20  + 3 * (n_ssids + 1);
        return 10  + 2 * (n_ssids + 1);
 }
-static u16 iwl_mvm_get_passive_dwell(enum ieee80211_band band)
+static u16 iwl_mvm_get_passive_dwell(struct iwl_mvm *mvm,
+                                     enum ieee80211_band band)
 {
+        if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BASIC_DWELL)
+                        return 110;
        return band == IEEE80211_BAND_2GHZ ? 100 + 20 : 100 + 10;
 }
@@ -331,7 +337,8 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
                 */
                if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
                        u32 passive_dwell =
-                                iwl_mvm_get_passive_dwell(IEEE80211_BAND_2GHZ);
+                                iwl_mvm_get_passive_dwell(mvm,
+                                                          IEEE80211_BAND_2GHZ);
                        params->max_out_time = passive_dwell;
                } else {
                        params->passive_fragmented = true;
@@ -348,8 +355,8 @@ not_bound:
                        params->dwell[band].passive = frag_passive_dwell;
                else
                        params->dwell[band].passive =
-                                iwl_mvm_get_passive_dwell(band);
+                                iwl_mvm_get_passive_dwell(mvm, band);
-                params->dwell[band].active = iwl_mvm_get_active_dwell(band,
+                params->dwell[band].active = iwl_mvm_get_active_dwell(mvm, band,
                                                                      n_ssids);
        }
 }
@@ -1448,6 +1455,8 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
        if (iwl_mvm_scan_pass_all(mvm, req))
                flags |= IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL;
+        else
+                flags |= IWL_MVM_LMAC_SCAN_FLAG_MATCH;
        if (req->n_ssids == 1 && req->ssids[0].ssid_len != 0)
                flags |= IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION;
diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c
index 4f15d9decc81..4333306ccdee 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tx.c
@@ -108,8 +108,12 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
                        tx_flags &= ~TX_CMD_FLG_SEQ_CTL;
        }
-        /* tid_tspec will default to 0 = BE when QOS isn't enabled */
+        /* Default to 0 (BE) when tid_spec is set to IWL_TID_NON_QOS */
-        ac = tid_to_mac80211_ac[tx_cmd->tid_tspec];
+        if (tx_cmd->tid_tspec < IWL_MAX_TID_COUNT)
+                ac = tid_to_mac80211_ac[tx_cmd->tid_tspec];
+        else
+                ac = tid_to_mac80211_ac[0];
        tx_flags |= iwl_mvm_bt_coex_tx_prio(mvm, hdr, info, ac) <<
                        TX_CMD_FLG_BT_PRIO_POS;
diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c
index e56e77ef5d2e..917431e30f74 100644
--- a/drivers/net/wireless/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/iwlwifi/mvm/utils.c
@@ -665,7 +665,7 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm)
        if (num_of_ant(mvm->fw->valid_rx_ant) == 1)
                return false;
-        if (!mvm->cfg->rx_with_siso_diversity)
+        if (mvm->cfg->rx_with_siso_diversity)
                return false;
        ieee80211_iterate_active_interfaces_atomic(
diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c
index 2f0c4b170344..d5aadb00dd9e 100644
--- a/drivers/net/wireless/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/iwlwifi/pcie/drv.c
@@ -527,8 +527,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        else if (cfg == &iwl7265_n_cfg)
                cfg_7265d = &iwl7265d_n_cfg;
        if (cfg_7265d &&
-            (iwl_trans->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_7265D)
+            (iwl_trans->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_7265D) {
                cfg = cfg_7265d;
+                iwl_trans->cfg = cfg_7265d;
+        }
 #endif
        pci_set_drvdata(pdev, iwl_trans);
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index 846a2e6e34d8..c70efb9a6e78 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -666,7 +666,8 @@ tx_status_ok:
 }
 static int _rtl_pci_init_one_rxdesc(struct ieee80211_hw *hw,
-                                    u8 *entry, int rxring_idx, int desc_idx)
+                                    struct sk_buff *new_skb, u8 *entry,
+                                    int rxring_idx, int desc_idx)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
@@ -674,11 +675,15 @@ static int _rtl_pci_init_one_rxdesc(struct ieee80211_hw *hw,
        u8 tmp_one = 1;
        struct sk_buff *skb;
+        if (likely(new_skb)) {
+                skb = new_skb;
+                goto remap;
+        }
        skb = dev_alloc_skb(rtlpci->rxbuffersize);
        if (!skb)
                return 0;
-        rtlpci->rx_ring[rxring_idx].rx_buf[desc_idx] = skb;
+remap:
        /* just set skb->cb to mapping addr for pci_unmap_single use */
        *((dma_addr_t *)skb->cb) =
                pci_map_single(rtlpci->pdev, skb_tail_pointer(skb),
@@ -686,6 +691,7 @@ static int _rtl_pci_init_one_rxdesc(struct ieee80211_hw *hw,
        bufferaddress = *((dma_addr_t *)skb->cb);
        if (pci_dma_mapping_error(rtlpci->pdev, bufferaddress))
                return 0;
+        rtlpci->rx_ring[rxring_idx].rx_buf[desc_idx] = skb;
        if (rtlpriv->use_new_trx_flow) {
                rtlpriv->cfg->ops->set_desc(hw, (u8 *)entry, false,
                                            HW_DESC_RX_PREPARE,
@@ -781,6 +787,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
                /*rx pkt */
                struct sk_buff *skb = rtlpci->rx_ring[rxring_idx].rx_buf[
                                      rtlpci->rx_ring[rxring_idx].idx];
+                struct sk_buff *new_skb;
                if (rtlpriv->use_new_trx_flow) {
                        rx_remained_cnt =
@@ -807,6 +814,13 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
                pci_unmap_single(rtlpci->pdev, *((dma_addr_t *)skb->cb),
                                 rtlpci->rxbuffersize, PCI_DMA_FROMDEVICE);
+                /* get a new skb - if fail, old one will be reused */
+                new_skb = dev_alloc_skb(rtlpci->rxbuffersize);
+                if (unlikely(!new_skb)) {
+                        pr_err("Allocation of new skb failed in %s\n",
+                               __func__);
+                        goto no_new;
+                }
                if (rtlpriv->use_new_trx_flow) {
                        buffer_desc =
                          &rtlpci->rx_ring[rxring_idx].buffer_desc
@@ -911,14 +925,16 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
                        schedule_work(&rtlpriv->works.lps_change_work);
                }
 end:
+                skb = new_skb;
+no_new:
                if (rtlpriv->use_new_trx_flow) {
-                        _rtl_pci_init_one_rxdesc(hw, (u8 *)buffer_desc,
+                        _rtl_pci_init_one_rxdesc(hw, skb, (u8 *)buffer_desc,
                                                 rxring_idx,
-                                               rtlpci->rx_ring[rxring_idx].idx);
+                                                 rtlpci->rx_ring[rxring_idx].idx);
                } else {
-                        _rtl_pci_init_one_rxdesc(hw, (u8 *)pdesc, rxring_idx,
+                        _rtl_pci_init_one_rxdesc(hw, skb, (u8 *)pdesc,
+                                                 rxring_idx,
                                                 rtlpci->rx_ring[rxring_idx].idx);
                        if (rtlpci->rx_ring[rxring_idx].idx ==
                            rtlpci->rxringcount - 1)
                                rtlpriv->cfg->ops->set_desc(hw, (u8 *)pdesc,
@@ -1307,7 +1323,7 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
                rtlpci->rx_ring[rxring_idx].idx = 0;
                for (i = 0; i < rtlpci->rxringcount; i++) {
                        entry = &rtlpci->rx_ring[rxring_idx].buffer_desc[i];
-                        if (!_rtl_pci_init_one_rxdesc(hw, (u8 *)entry,
+                        if (!_rtl_pci_init_one_rxdesc(hw, NULL, (u8 *)entry,
                                                      rxring_idx, i))
                                return -ENOMEM;
                }
@@ -1332,7 +1348,7 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx)
                for (i = 0; i < rtlpci->rxringcount; i++) {
                        entry = &rtlpci->rx_ring[rxring_idx].desc[i];
-                        if (!_rtl_pci_init_one_rxdesc(hw, (u8 *)entry,
+                        if (!_rtl_pci_init_one_rxdesc(hw, NULL, (u8 *)entry,
                                                      rxring_idx, i))
                                return -ENOMEM;
                }
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index efbaf2ae1999..794204e34fba 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -737,6 +737,7 @@ static void connect(struct backend_info *be)
                }
                queue->remaining_credit = credit_bytes;
+                queue->credit_usec = credit_usec;
                err = connect_rings(be, queue);
                if (err) {
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 22bcb4e12e2a..d8c10764f130 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -88,10 +88,8 @@ struct netfront_cb {
 #define IRQ_NAME_SIZE (QUEUE_NAME_SIZE + 3)
 struct netfront_stats {
-        u64                     rx_packets;
+        u64                     packets;
-        u64                     tx_packets;
+        u64                     bytes;
-        u64                     rx_bytes;
-        u64                     tx_bytes;
        struct u64_stats_sync   syncp;
 };
@@ -160,7 +158,8 @@ struct netfront_info {
        struct netfront_queue *queues;
        /* Statistics */
-        struct netfront_stats __percpu *stats;
+        struct netfront_stats __percpu *rx_stats;
+        struct netfront_stats __percpu *tx_stats;
        atomic_t rx_gso_checksum_fixup;
 };
@@ -565,7 +564,7 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev)
 {
        unsigned short id;
        struct netfront_info *np = netdev_priv(dev);
-        struct netfront_stats *stats = this_cpu_ptr(np->stats);
+        struct netfront_stats *tx_stats = this_cpu_ptr(np->tx_stats);
        struct xen_netif_tx_request *tx;
        char *data = skb->data;
        RING_IDX i;
@@ -672,10 +671,10 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev)
        if (notify)
                notify_remote_via_irq(queue->tx_irq);
-        u64_stats_update_begin(&stats->syncp);
+        u64_stats_update_begin(&tx_stats->syncp);
-        stats->tx_bytes += skb->len;
+        tx_stats->bytes += skb->len;
-        stats->tx_packets++;
+        tx_stats->packets++;
-        u64_stats_update_end(&stats->syncp);
+        u64_stats_update_end(&tx_stats->syncp);
        /* Note: It is not safe to access skb after xennet_tx_buf_gc()! */
        xennet_tx_buf_gc(queue);
@@ -931,7 +930,7 @@ static int checksum_setup(struct net_device *dev, struct sk_buff *skb)
 static int handle_incoming_queue(struct netfront_queue *queue,
                                 struct sk_buff_head *rxq)
 {
-        struct netfront_stats *stats = this_cpu_ptr(queue->info->stats);
+        struct netfront_stats *rx_stats = this_cpu_ptr(queue->info->rx_stats);
        int packets_dropped = 0;
        struct sk_buff *skb;
@@ -952,10 +951,10 @@ static int handle_incoming_queue(struct netfront_queue *queue,
                        continue;
                }
-                u64_stats_update_begin(&stats->syncp);
+                u64_stats_update_begin(&rx_stats->syncp);
-                stats->rx_packets++;
+                rx_stats->packets++;
-                stats->rx_bytes += skb->len;
+                rx_stats->bytes += skb->len;
-                u64_stats_update_end(&stats->syncp);
+                u64_stats_update_end(&rx_stats->syncp);
                /* Pass it up. */
                napi_gro_receive(&queue->napi, skb);
@@ -1079,18 +1078,22 @@ static struct rtnl_link_stats64 *xennet_get_stats64(struct net_device *dev,
        int cpu;
        for_each_possible_cpu(cpu) {
-                struct netfront_stats *stats = per_cpu_ptr(np->stats, cpu);
+                struct netfront_stats *rx_stats = per_cpu_ptr(np->rx_stats, cpu);
+                struct netfront_stats *tx_stats = per_cpu_ptr(np->tx_stats, cpu);
                u64 rx_packets, rx_bytes, tx_packets, tx_bytes;
                unsigned int start;
                do {
-                        start = u64_stats_fetch_begin_irq(&stats->syncp);
+                        start = u64_stats_fetch_begin_irq(&tx_stats->syncp);
+                        tx_packets = tx_stats->packets;
+                        tx_bytes = tx_stats->bytes;
+                } while (u64_stats_fetch_retry_irq(&tx_stats->syncp, start));
-                        rx_packets = stats->rx_packets;
+                do {
-                        tx_packets = stats->tx_packets;
+                        start = u64_stats_fetch_begin_irq(&rx_stats->syncp);
-                        rx_bytes = stats->rx_bytes;
+                        rx_packets = rx_stats->packets;
-                        tx_bytes = stats->tx_bytes;
+                        rx_bytes = rx_stats->bytes;
-                } while (u64_stats_fetch_retry_irq(&stats->syncp, start));
+                } while (u64_stats_fetch_retry_irq(&rx_stats->syncp, start));
                tot->rx_packets += rx_packets;
                tot->tx_packets += tx_packets;
@@ -1275,6 +1278,15 @@ static const struct net_device_ops xennet_netdev_ops = {
 #endif
 };
+static void xennet_free_netdev(struct net_device *netdev)
+{
+        struct netfront_info *np = netdev_priv(netdev);
+        free_percpu(np->rx_stats);
+        free_percpu(np->tx_stats);
+        free_netdev(netdev);
+}
 static struct net_device *xennet_create_dev(struct xenbus_device *dev)
 {
        int err;
@@ -1295,8 +1307,11 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev)
        np->queues = NULL;
        err = -ENOMEM;
-        np->stats = netdev_alloc_pcpu_stats(struct netfront_stats);
+        np->rx_stats = netdev_alloc_pcpu_stats(struct netfront_stats);
-        if (np->stats == NULL)
+        if (np->rx_stats == NULL)
+                goto exit;
+        np->tx_stats = netdev_alloc_pcpu_stats(struct netfront_stats);
+        if (np->tx_stats == NULL)
                goto exit;
        netdev->netdev_ops      = &xennet_netdev_ops;
@@ -1327,7 +1342,7 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev)
        return netdev;
 exit:
-        free_netdev(netdev);
+        xennet_free_netdev(netdev);
        return ERR_PTR(err);
 }
@@ -1369,7 +1384,7 @@ static int netfront_probe(struct xenbus_device *dev,
        return 0;
 fail:
-        free_netdev(netdev);
+        xennet_free_netdev(netdev);
        dev_set_drvdata(&dev->dev, NULL);
        return err;
 }
@@ -2189,9 +2204,7 @@ static int xennet_remove(struct xenbus_device *dev)
                info->queues = NULL;
        }
-        free_percpu(info->stats);
+        xennet_free_netdev(info->netdev);
-        free_netdev(info->netdev);
        return 0;
 }