Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Documentation/networking/ip-sysctl.txt

···
 	0 - disabled
 	1 - enabled
 
+fwmark_reflect - BOOLEAN
+	Controls the fwmark of kernel-generated IPv4 reply packets that are not
+	associated with a socket for example, TCP RSTs or ICMP echo replies).
+	If unset, these packets have a fwmark of zero. If set, they have the
+	fwmark of the packet they are replying to.
+	Default: 0
+
 route/max_size - INTEGER
 	Maximum number of routes allowed in the kernel.  Increase
 	this when using large numbers of interfaces and/or routes.
···
 
 proxy_ndp - BOOLEAN
 	Do proxy ndp.
+
+fwmark_reflect - BOOLEAN
+	Controls the fwmark of kernel-generated IPv6 reply packets that are not
+	associated with a socket for example, TCP RSTs or ICMPv6 echo replies).
+	If unset, these packets have a fwmark of zero. If set, they have the
+	fwmark of the packet they are replying to.
+	Default: 0
 
 conf/interface/*:
 	Change special settings per interface.

arch/arm64/boot/dts/apm-storm.dtsi

···
 			compatible = "apm,xgene-enet";
 			status = "disabled";
 			reg = <0x0 0x17020000 0x0 0xd100>,
-			      <0x0 0X17030000 0x0 0X400>,
+			      <0x0 0X17030000 0x0 0Xc300>,
 			      <0x0 0X10000000 0x0 0X200>;
 			reg-names = "enet_csr", "ring_csr", "ring_cmd";
 			interrupts = <0x0 0x3c 0x4>;
···
 		sgenet0: ethernet@1f210000 {
 			compatible = "apm,xgene-enet";
 			status = "disabled";
-			reg = <0x0 0x1f210000 0x0 0x10000>,
-			      <0x0 0x1f200000 0x0 0X10000>,
-			      <0x0 0x1B000000 0x0 0X20000>;
+			reg = <0x0 0x1f210000 0x0 0xd100>,
+			      <0x0 0x1f200000 0x0 0Xc300>,
+			      <0x0 0x1B000000 0x0 0X200>;
 			reg-names = "enet_csr", "ring_csr", "ring_cmd";
 			interrupts = <0x0 0xA0 0x4>;
 			dma-coherent;
···
 			compatible = "apm,xgene-enet";
 			status = "disabled";
 			reg = <0x0 0x1f610000 0x0 0xd100>,
-			      <0x0 0x1f600000 0x0 0X400>,
+			      <0x0 0x1f600000 0x0 0Xc300>,
 			      <0x0 0x18000000 0x0 0X200>;
 			reg-names = "enet_csr", "ring_csr", "ring_cmd";
 			interrupts = <0x0 0x60 0x4>;

drivers/net/ethernet/apm/xgene/xgene_enet_hw.c

···
 	xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data & ~TX_EN);
 }
 
-static void xgene_enet_reset(struct xgene_enet_pdata *pdata)
+bool xgene_ring_mgr_init(struct xgene_enet_pdata *p)
+{
+	if (!ioread32(p->ring_csr_addr + CLKEN_ADDR))
+		return false;
+
+	if (ioread32(p->ring_csr_addr + SRST_ADDR))
+		return false;
+
+	return true;
+}
+
+static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
 {
 	u32 val;
+
+	if (!xgene_ring_mgr_init(pdata))
+		return -ENODEV;
 
 	clk_prepare_enable(pdata->clk);
 	clk_disable_unprepare(pdata->clk);
···
 	val |= SCAN_AUTO_INCR;
 	MGMT_CLOCK_SEL_SET(&val, 1);
 	xgene_enet_wr_mcx_mac(pdata, MII_MGMT_CONFIG_ADDR, val);
+
+	return 0;
 }
 
 static void xgene_gport_shutdown(struct xgene_enet_pdata *pdata)

drivers/net/ethernet/apm/xgene/xgene_enet_hw.h

···
 #define BLOCK_ETH_MAC_OFFSET		0x0000
 #define BLOCK_ETH_MAC_CSR_OFFSET	0x2800
 
+#define CLKEN_ADDR			0xc208
+#define SRST_ADDR			0xc200
+
 #define MAC_ADDR_REG_OFFSET		0x00
 #define MAC_COMMAND_REG_OFFSET		0x04
 #define MAC_WRITE_REG_OFFSET		0x08
···
 
 int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata);
 void xgene_enet_mdio_remove(struct xgene_enet_pdata *pdata);
+bool xgene_ring_mgr_init(struct xgene_enet_pdata *p);
 
 extern struct xgene_mac_ops xgene_gmac_ops;
 extern struct xgene_port_ops xgene_gport_ops;

drivers/net/ethernet/apm/xgene/xgene_enet_main.c

···
 	struct device *dev = ndev_to_dev(ndev);
 	struct xgene_enet_desc_ring *rx_ring, *tx_ring, *cp_ring;
 	struct xgene_enet_desc_ring *buf_pool = NULL;
-	u8 cpu_bufnum = 0, eth_bufnum = 0;
-	u8 bp_bufnum = 0x20;
-	u16 ring_id, ring_num = 0;
+	u8 cpu_bufnum = 0, eth_bufnum = START_ETH_BUFNUM;
+	u8 bp_bufnum = START_BP_BUFNUM;
+	u16 ring_id, ring_num = START_RING_NUM;
 	int ret;
 
 	/* allocate rx descriptor ring */
···
 	u16 dst_ring_num;
 	int ret;
 
-	pdata->port_ops->reset(pdata);
+	ret = pdata->port_ops->reset(pdata);
+	if (ret)
+		return ret;
 
 	ret = xgene_enet_create_desc_rings(ndev);
 	if (ret) {
···
 
 	return ret;
 err:
+	unregister_netdev(ndev);
 	free_netdev(ndev);
 	return ret;
 }

drivers/net/ethernet/apm/xgene/xgene_enet_main.h

···
 #define SKB_BUFFER_SIZE		(XGENE_ENET_MAX_MTU - NET_IP_ALIGN)
 #define NUM_PKT_BUF	64
 #define NUM_BUFPOOL	32
+#define START_ETH_BUFNUM	2
+#define START_BP_BUFNUM		0x22
+#define START_RING_NUM		8
 
 #define PHY_POLL_LINK_ON	(10 * HZ)
 #define PHY_POLL_LINK_OFF	(PHY_POLL_LINK_ON / 5)
···
 };
 
 struct xgene_port_ops {
-	void (*reset)(struct xgene_enet_pdata *pdata);
+	int (*reset)(struct xgene_enet_pdata *pdata);
 	void (*cle_bypass)(struct xgene_enet_pdata *pdata,
 			   u32 dst_ring_num, u16 bufpool_id);
 	void (*shutdown)(struct xgene_enet_pdata *pdata);

drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c

···
 	xgene_sgmac_rxtx(p, TX_EN, false);
 }
 
-static void xgene_enet_reset(struct xgene_enet_pdata *p)
+static int xgene_enet_reset(struct xgene_enet_pdata *p)
 {
+	if (!xgene_ring_mgr_init(p))
+		return -ENODEV;
+
 	clk_prepare_enable(p->clk);
 	clk_disable_unprepare(p->clk);
 	clk_prepare_enable(p->clk);
 
 	xgene_enet_ecc_init(p);
 	xgene_enet_config_ring_if_assoc(p);
+
+	return 0;
 }
 
 static void xgene_enet_cle_bypass(struct xgene_enet_pdata *p,

drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c

···
 	xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_1, data & ~HSTTFEN);
 }
 
-static void xgene_enet_reset(struct xgene_enet_pdata *pdata)
+static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
 {
+	if (!xgene_ring_mgr_init(pdata))
+		return -ENODEV;
+
 	clk_prepare_enable(pdata->clk);
 	clk_disable_unprepare(pdata->clk);
 	clk_prepare_enable(pdata->clk);
 
 	xgene_enet_ecc_init(pdata);
 	xgene_enet_config_ring_if_assoc(pdata);
+
+	return 0;
 }
 
 static void xgene_enet_xgcle_bypass(struct xgene_enet_pdata *pdata,

drivers/net/ethernet/broadcom/bcmsysport.c

···
 	/* We just need one DMA descriptor which is DMA-able, since writing to
 	 * the port will allocate a new descriptor in its internal linked-list
 	 */
-	p = dma_zalloc_coherent(kdev, 1, &ring->desc_dma, GFP_KERNEL);
+	p = dma_zalloc_coherent(kdev, sizeof(struct dma_desc), &ring->desc_dma,
+				GFP_KERNEL);
 	if (!p) {
 		netif_err(priv, hw, priv->netdev, "DMA alloc failed\n");
 		return -ENOMEM;
···
 	if (!(reg & TDMA_DISABLED))
 		netdev_warn(priv->netdev, "TDMA not stopped!\n");
 
+	/* ring->cbs is the last part in bcm_sysport_init_tx_ring which could
+	 * fail, so by checking this pointer we know whether the TX ring was
+	 * fully initialized or not.
+	 */
+	if (!ring->cbs)
+		return;
+
 	napi_disable(&ring->napi);
 	netif_napi_del(&ring->napi);
 
···
 	ring->cbs = NULL;
 
 	if (ring->desc_dma) {
-		dma_free_coherent(kdev, 1, ring->desc_cpu, ring->desc_dma);
+		dma_free_coherent(kdev, sizeof(struct dma_desc),
+				  ring->desc_cpu, ring->desc_dma);
 		ring->desc_dma = 0;
 	}
 	ring->size = 0;

drivers/net/ethernet/cisco/enic/enic_main.c

···
 	struct vnic_rq_buf *buf = rq->to_use;
 
 	if (buf->os_buf) {
-		buf = buf->next;
-		rq->to_use = buf;
-		rq->ring.desc_avail--;
-		if ((buf->index & VNIC_RQ_RETURN_RATE) == 0) {
-			/* Adding write memory barrier prevents compiler and/or
-			 * CPU reordering, thus avoiding descriptor posting
-			 * before descriptor is initialized. Otherwise, hardware
-			 * can read stale descriptor fields.
-			 */
-			wmb();
-			iowrite32(buf->index, &rq->ctrl->posted_index);
-		}
+		enic_queue_rq_desc(rq, buf->os_buf, os_buf_index, buf->dma_addr,
+				   buf->len);
 
 		return 0;
 	}
···
 				enic->rq_truncated_pkts++;
 		}
 
+		pci_unmap_single(enic->pdev, buf->dma_addr, buf->len,
+				 PCI_DMA_FROMDEVICE);
 		dev_kfree_skb_any(skb);
+		buf->os_buf = NULL;
 
 		return;
 	}
···
 		/* Buffer overflow
 		 */
 
+		pci_unmap_single(enic->pdev, buf->dma_addr, buf->len,
+				 PCI_DMA_FROMDEVICE);
 		dev_kfree_skb_any(skb);
+		buf->os_buf = NULL;
 	}
 }
 

drivers/net/ethernet/freescale/fec_main.c

···
 		netif_device_detach(ndev);
 		netif_tx_unlock_bh(ndev);
 		fec_stop(ndev);
+		fec_enet_clk_enable(ndev, false);
+		pinctrl_pm_select_sleep_state(&fep->pdev->dev);
 	}
 	rtnl_unlock();
-
-	fec_enet_clk_enable(ndev, false);
-	pinctrl_pm_select_sleep_state(&fep->pdev->dev);
 
 	if (fep->reg_phy)
 		regulator_disable(fep->reg_phy);
···
 			return ret;
 	}
 
-	pinctrl_pm_select_default_state(&fep->pdev->dev);
-	ret = fec_enet_clk_enable(ndev, true);
-	if (ret)
-		goto failed_clk;
-
 	rtnl_lock();
 	if (netif_running(ndev)) {
+		pinctrl_pm_select_default_state(&fep->pdev->dev);
+		ret = fec_enet_clk_enable(ndev, true);
+		if (ret) {
+			rtnl_unlock();
+			goto failed_clk;
+		}
 		fec_restart(ndev);
 		netif_tx_lock_bh(ndev);
 		netif_device_attach(ndev);

drivers/net/ethernet/marvell/mv643xx_eth.c

···
 		int tx_index;
 		struct tx_desc *desc;
 		u32 cmd_sts;
-		struct sk_buff *skb;
 
 		tx_index = txq->tx_used_desc;
 		desc = &txq->tx_desc_area[tx_index];
···
 		reclaimed++;
 		txq->tx_desc_count--;
 
-		skb = NULL;
-		if (cmd_sts & TX_LAST_DESC)
-			skb = __skb_dequeue(&txq->tx_skb);
+		if (!IS_TSO_HEADER(txq, desc->buf_ptr))
+			dma_unmap_single(mp->dev->dev.parent, desc->buf_ptr,
+					 desc->byte_cnt, DMA_TO_DEVICE);
+
+		if (cmd_sts & TX_ENABLE_INTERRUPT) {
+			struct sk_buff *skb = __skb_dequeue(&txq->tx_skb);
+
+			if (!WARN_ON(!skb))
+				dev_kfree_skb(skb);
+		}
 
 		if (cmd_sts & ERROR_SUMMARY) {
 			netdev_info(mp->dev, "tx error\n");
 			mp->dev->stats.tx_errors++;
 		}
 
-		if (!IS_TSO_HEADER(txq, desc->buf_ptr))
-			dma_unmap_single(mp->dev->dev.parent, desc->buf_ptr,
-					 desc->byte_cnt, DMA_TO_DEVICE);
-		dev_kfree_skb(skb);
 	}
 
 	__netif_tx_unlock_bh(nq);

drivers/net/ethernet/marvell/mvpp2.c

···
 {
 	struct mvpp2_prs_entry *pe;
 	int tid_aux, tid;
+	int ret = 0;
 
 	pe = mvpp2_prs_vlan_find(priv, tpid, ai);
 
···
 				break;
 		}
 
-		if (tid <= tid_aux)
-			return -EINVAL;
+		if (tid <= tid_aux) {
+			ret = -EINVAL;
+			goto error;
+		}
 
 		memset(pe, 0 , sizeof(struct mvpp2_prs_entry));
 		mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_VLAN);
···
 
 	mvpp2_prs_hw_write(priv, pe);
 
+error:
 	kfree(pe);
 
-	return 0;
+	return ret;
 }
 
 /* Get first free double vlan ai number */
···
 				     unsigned int port_map)
 {
 	struct mvpp2_prs_entry *pe;
-	int tid_aux, tid, ai;
+	int tid_aux, tid, ai, ret = 0;
 
 	pe = mvpp2_prs_double_vlan_find(priv, tpid1, tpid2);
 
···
 
 		/* Set ai value for new double vlan entry */
 		ai = mvpp2_prs_double_vlan_ai_free_get(priv);
-		if (ai < 0)
-			return ai;
+		if (ai < 0) {
+			ret = ai;
+			goto error;
+		}
 
 		/* Get first single/triple vlan tid */
 		for (tid_aux = MVPP2_PE_FIRST_FREE_TID;
···
 				break;
 		}
 
-		if (tid >= tid_aux)
-			return -ERANGE;
+		if (tid >= tid_aux) {
+			ret = -ERANGE;
+			goto error;
+		}
 
 		memset(pe, 0, sizeof(struct mvpp2_prs_entry));
 		mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_VLAN);
···
 	mvpp2_prs_tcam_port_map_set(pe, port_map);
 	mvpp2_prs_hw_write(priv, pe);
 
+error:
 	kfree(pe);
-	return 0;
+	return ret;
 }
 
 /* IPv4 header parsing for fragmentation and L4 offset */

drivers/net/ethernet/mellanox/mlx5/core/eq.c

···
 	snprintf(eq->name, MLX5_MAX_EQ_NAME, "%s@pci:%s",
 		 name, pci_name(dev->pdev));
 	eq->eqn = out.eq_number;
+	eq->irqn = vecidx;
+	eq->dev = dev;
+	eq->doorbell = uar->map + MLX5_EQ_DOORBEL_OFFSET;
 	err = request_irq(table->msix_arr[vecidx].vector, mlx5_msix_handler, 0,
 			  eq->name, eq);
 	if (err)
 		goto err_eq;
-
-	eq->irqn = vecidx;
-	eq->dev = dev;
-	eq->doorbell = uar->map + MLX5_EQ_DOORBEL_OFFSET;
 
 	err = mlx5_debug_eq_add(dev, eq);
 	if (err)

drivers/net/ethernet/mellanox/mlx5/core/main.c

···
 	dev->profile = &profile[prof_sel];
 	dev->event = mlx5_core_event;
 
+	INIT_LIST_HEAD(&priv->ctx_list);
+	spin_lock_init(&priv->ctx_lock);
 	err = mlx5_dev_init(dev, pdev);
 	if (err) {
 		dev_err(&pdev->dev, "mlx5_dev_init failed %d\n", err);
 		goto out;
 	}
 
-	INIT_LIST_HEAD(&priv->ctx_list);
-	spin_lock_init(&priv->ctx_lock);
 	err = mlx5_register_device(dev);
 	if (err) {
 		dev_err(&pdev->dev, "mlx5_register_device failed %d\n", err);

drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c

···
 	if (test_bit(__NX_RESETTING, &adapter->state))
 		goto reschedule;
 
-	if (test_bit(__NX_DEV_UP, &adapter->state)) {
+	if (test_bit(__NX_DEV_UP, &adapter->state) &&
+	    !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) {
 		if (!adapter->has_link_events) {
 
 			netxen_nic_handle_phy_intr(adapter);

drivers/net/ethernet/sfc/ef10.c

···
 		      EFX_MAX_CHANNELS,
 		      resource_size(&efx->pci_dev->resource[EFX_MEM_BAR]) /
 		      (EFX_VI_PAGE_SIZE * EFX_TXQ_TYPES));
-	BUG_ON(efx->max_channels == 0);
+	if (WARN_ON(efx->max_channels == 0))
+		return -EIO;
 
 	nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL);
 	if (!nic_data)

drivers/net/ethernet/smsc/smc91x.c

···
 	const struct of_device_id *match = NULL;
 	struct smc_local *lp;
 	struct net_device *ndev;
-	struct resource *res, *ires;
+	struct resource *res;
 	unsigned int __iomem *addr;
 	unsigned long irq_flags = SMC_IRQ_FLAGS;
+	unsigned long irq_resflags;
 	int ret;
 
 	ndev = alloc_etherdev(sizeof(struct smc_local));
···
 		goto out_free_netdev;
 	}
 
-	ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!ires) {
+	ndev->irq = platform_get_irq(pdev, 0);
+	if (ndev->irq <= 0) {
 		ret = -ENODEV;
 		goto out_release_io;
 	}
-
-	ndev->irq = ires->start;
-
-	if (irq_flags == -1 || ires->flags & IRQF_TRIGGER_MASK)
-		irq_flags = ires->flags & IRQF_TRIGGER_MASK;
+	/*
+	 * If this platform does not specify any special irqflags, or if
+	 * the resource supplies a trigger, override the irqflags with
+	 * the trigger flags from the resource.
+	 */
+	irq_resflags = irqd_get_trigger_type(irq_get_irq_data(ndev->irq));
+	if (irq_flags == -1 || irq_resflags & IRQF_TRIGGER_MASK)
+		irq_flags = irq_resflags & IRQF_TRIGGER_MASK;
 
 	ret = smc_request_attrib(pdev, ndev);
 	if (ret)

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

···
 bool stmmac_eee_init(struct stmmac_priv *priv)
 {
 	char *phy_bus_name = priv->plat->phy_bus_name;
+	unsigned long flags;
 	bool ret = false;
 
 	/* Using PCS we cannot dial with the phy registers at this stage
···
 			 * changed).
 			 * In that case the driver disable own timers.
 			 */
+			spin_lock_irqsave(&priv->lock, flags);
 			if (priv->eee_active) {
 				pr_debug("stmmac: disable EEE\n");
 				del_timer_sync(&priv->eee_ctrl_timer);
···
 							     tx_lpi_timer);
 			}
 			priv->eee_active = 0;
+			spin_unlock_irqrestore(&priv->lock, flags);
 			goto out;
 		}
 		/* Activate the EEE and start timers */
+		spin_lock_irqsave(&priv->lock, flags);
 		if (!priv->eee_active) {
 			priv->eee_active = 1;
 			init_timer(&priv->eee_ctrl_timer);
···
 		/* Set HW EEE according to the speed */
 		priv->hw->mac->set_eee_pls(priv->hw, priv->phydev->link);
 
-		pr_debug("stmmac: Energy-Efficient Ethernet initialized\n");
-
 		ret = true;
+		spin_unlock_irqrestore(&priv->lock, flags);
+
+		pr_debug("stmmac: Energy-Efficient Ethernet initialized\n");
 	}
 out:
 	return ret;
···
 	if (new_state && netif_msg_link(priv))
 		phy_print_status(phydev);
 
+	spin_unlock_irqrestore(&priv->lock, flags);
+
 	/* At this stage, it could be needed to setup the EEE or adjust some
 	 * MAC related HW registers.
 	 */
 	priv->eee_enabled = stmmac_eee_init(priv);
-
-	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
 /**
···
 }
 
 static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p,
-				  int i)
+				  int i, gfp_t flags)
 {
 	struct sk_buff *skb;
 
 	skb = __netdev_alloc_skb(priv->dev, priv->dma_buf_sz + NET_IP_ALIGN,
-				 GFP_KERNEL);
+				 flags);
 	if (!skb) {
 		pr_err("%s: Rx init fails; skb is NULL\n", __func__);
 		return -ENOMEM;
···
  * and allocates the socket buffers. It suppors the chained and ring
  * modes.
  */
-static int init_dma_desc_rings(struct net_device *dev)
+static int init_dma_desc_rings(struct net_device *dev, gfp_t flags)
 {
 	int i;
 	struct stmmac_priv *priv = netdev_priv(dev);
···
 		else
 			p = priv->dma_rx + i;
 
-		ret = stmmac_init_rx_buffers(priv, p, i);
+		ret = stmmac_init_rx_buffers(priv, p, i, flags);
 		if (ret)
 			goto err_init_rx_buffers;
 
···
 	struct stmmac_priv *priv = netdev_priv(dev);
 	int ret;
 
-	ret = init_dma_desc_rings(dev);
-	if (ret < 0) {
-		pr_err("%s: DMA descriptors initialization failed\n", __func__);
-		return ret;
-	}
 	/* DMA initialization and SW reset */
 	ret = stmmac_init_dma_engine(priv);
 	if (ret < 0) {
···
 	}
 	priv->tx_lpi_timer = STMMAC_DEFAULT_TWT_LS;
 
-	priv->eee_enabled = stmmac_eee_init(priv);
-
-	stmmac_init_tx_coalesce(priv);
-
 	if ((priv->use_riwt) && (priv->hw->dma->rx_watchdog)) {
 		priv->rx_riwt = MAX_DMA_RIWT;
 		priv->hw->dma->rx_watchdog(priv->ioaddr, MAX_DMA_RIWT);
···
 		goto dma_desc_error;
 	}
 
+	ret = init_dma_desc_rings(dev, GFP_KERNEL);
+	if (ret < 0) {
+		pr_err("%s: DMA descriptors initialization failed\n", __func__);
+		goto init_error;
+	}
+
 	ret = stmmac_hw_setup(dev);
 	if (ret < 0) {
 		pr_err("%s: Hw setup failed\n", __func__);
 		goto init_error;
 	}
+
+	stmmac_init_tx_coalesce(priv);
 
 	if (priv->phydev)
 		phy_start(priv->phydev);
···
 	unsigned int nopaged_len = skb_headlen(skb);
 	unsigned int enh_desc = priv->plat->enh_desc;
 
+	spin_lock(&priv->tx_lock);
+
 	if (unlikely(stmmac_tx_avail(priv) < nfrags + 1)) {
+		spin_unlock(&priv->tx_lock);
 		if (!netif_queue_stopped(dev)) {
 			netif_stop_queue(dev);
 			/* This is a hard error, log it. */
···
 		}
 		return NETDEV_TX_BUSY;
 	}
-
-	spin_lock(&priv->tx_lock);
 
 	if (priv->tx_path_in_lpi_mode)
 		stmmac_disable_eee_mode(priv);
···
 	return NETDEV_TX_OK;
 
 dma_map_err:
+	spin_unlock(&priv->tx_lock);
 	dev_err(priv->device, "Tx dma map failed\n");
 	dev_kfree_skb(skb);
 	priv->dev->stats.tx_dropped++;
···
 {
 	struct stmmac_priv *priv = netdev_priv(dev);
 
-	spin_lock(&priv->lock);
 	priv->hw->mac->set_filter(priv->hw, dev);
-	spin_unlock(&priv->lock);
 }
 
 /**
···
 		stmmac_set_mac(priv->ioaddr, false);
 		pinctrl_pm_select_sleep_state(priv->device);
 		/* Disable clock in case of PWM is off */
-		clk_disable_unprepare(priv->stmmac_clk);
+		clk_disable(priv->stmmac_clk);
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
 
···
 	} else {
 		pinctrl_pm_select_default_state(priv->device);
 		/* enable the clk prevously disabled */
-		clk_prepare_enable(priv->stmmac_clk);
+		clk_enable(priv->stmmac_clk);
 		/* reset the phy so that it's ready */
 		if (priv->mii)
 			stmmac_mdio_reset(priv->mii);
···
 
 	netif_device_attach(ndev);
 
+	init_dma_desc_rings(ndev, GFP_ATOMIC);
 	stmmac_hw_setup(ndev);
+	stmmac_init_tx_coalesce(priv);
 
 	napi_enable(&priv->napi);
 

drivers/net/ethernet/ti/cpsw_ale.c

···
 {
 	if (!ale)
 		return -EINVAL;
-	cpsw_ale_stop(ale);
 	cpsw_ale_control_set(ale, 0, ALE_ENABLE, 0);
 	kfree(ale);
 	return 0;

drivers/net/macvtap.c

···
 	if (skb->ip_summed == CHECKSUM_PARTIAL) {
 		vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
 		vnet_hdr->csum_start = skb_checksum_start_offset(skb);
+		if (vlan_tx_tag_present(skb))
+			vnet_hdr->csum_start += VLAN_HLEN;
 		vnet_hdr->csum_offset = skb->csum_offset;
 	} else if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
 		vnet_hdr->flags = VIRTIO_NET_HDR_F_DATA_VALID;

drivers/net/tun.c

···
 	struct tun_pi pi = { 0, skb->protocol };
 	ssize_t total = 0;
 	int vlan_offset = 0, copied;
+	int vlan_hlen = 0;
+	int vnet_hdr_sz = 0;
+
+	if (vlan_tx_tag_present(skb))
+		vlan_hlen = VLAN_HLEN;
+
+	if (tun->flags & TUN_VNET_HDR)
+		vnet_hdr_sz = tun->vnet_hdr_sz;
 
 	if (!(tun->flags & TUN_NO_PI)) {
 		if ((len -= sizeof(pi)) < 0)
 			return -EINVAL;
 
-		if (len < skb->len) {
+		if (len < skb->len + vlan_hlen + vnet_hdr_sz) {
 			/* Packet will be striped */
 			pi.flags |= TUN_PKT_STRIP;
 		}
···
 		total += sizeof(pi);
 	}
 
-	if (tun->flags & TUN_VNET_HDR) {
+	if (vnet_hdr_sz) {
 		struct virtio_net_hdr gso = { 0 }; /* no info leak */
-		if ((len -= tun->vnet_hdr_sz) < 0)
+		if ((len -= vnet_hdr_sz) < 0)
 			return -EINVAL;
 
 		if (skb_is_gso(skb)) {
···
 
 		if (skb->ip_summed == CHECKSUM_PARTIAL) {
 			gso.flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
-			gso.csum_start = skb_checksum_start_offset(skb);
+			gso.csum_start = skb_checksum_start_offset(skb) +
+					 vlan_hlen;
 			gso.csum_offset = skb->csum_offset;
 		} else if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
 			gso.flags = VIRTIO_NET_HDR_F_DATA_VALID;
···
 		if (unlikely(memcpy_toiovecend(iv, (void *)&gso, total,
 					       sizeof(gso))))
 			return -EFAULT;
-		total += tun->vnet_hdr_sz;
+		total += vnet_hdr_sz;
 	}
 
 	copied = total;
-	total += skb->len;
-	if (!vlan_tx_tag_present(skb)) {
-		len = min_t(int, skb->len, len);
-	} else {
+	len = min_t(int, skb->len + vlan_hlen, len);
+	total += skb->len + vlan_hlen;
+	if (vlan_hlen) {
 		int copy, ret;
 		struct {
 			__be16 h_vlan_proto;
···
 		veth.h_vlan_TCI = htons(vlan_tx_tag_get(skb));
 
 		vlan_offset = offsetof(struct vlan_ethhdr, h_vlan_proto);
-		len = min_t(int, skb->len + VLAN_HLEN, len);
-		total += VLAN_HLEN;
 
 		copy = min_t(int, vlan_offset, len);
 		ret = skb_copy_datagram_const_iovec(skb, 0, iv, copied, copy);

include/linux/socket.h

···
 #define MSG_EOF         MSG_FIN
 
 #define MSG_FASTOPEN	0x20000000	/* Send data in TCP SYN */
-#define MSG_CMSG_CLOEXEC 0x40000000	/* Set close_on_exit for file
+#define MSG_CMSG_CLOEXEC 0x40000000	/* Set close_on_exec for file
 					   descriptor received through
 					   SCM_RIGHTS */
 #if defined(CONFIG_COMPAT)

include/net/9p/transport.h

···
  * @list: used to maintain a list of currently available transports
  * @name: the human-readable name of the transport
  * @maxsize: transport provided maximum packet size
- * @pref: Preferences of this transport
  * @def: set if this transport should be considered the default
  * @create: member function to create a new connection on this transport
  * @close: member function to discard a connection on this transport

include/uapi/linux/Kbuild

···
 header-y += firewire-cdev.h
 header-y += firewire-constants.h
 header-y += flat.h
+header-y += fou.h
 header-y += fs.h
 header-y += fsl_hypervisor.h
 header-y += fuse.h
···
 header-y += hiddev.h
 header-y += hidraw.h
 header-y += hpet.h
+header-y += hsr_netlink.h
 header-y += hyperv.h
 header-y += hysdn_if.h
 header-y += i2c-dev.h
···
 header-y += minix_fs.h
 header-y += mman.h
 header-y += mmtimer.h
+header-y += mpls.h
 header-y += mqueue.h
 header-y += mroute.h
 header-y += mroute6.h
···
 header-y += virtio_pci.h
 header-y += virtio_ring.h
 header-y += virtio_rng.h
+header=y += vm_sockets.h
 header-y += vt.h
 header-y += wait.h
 header-y += wanrouter.h

include/uapi/linux/if_bridge.h

···
 
 #include <linux/types.h>
 #include <linux/if_ether.h>
+#include <linux/in6.h>
 
 #define SYSFS_BRIDGE_ATTR	"bridge"
 #define SYSFS_BRIDGE_FDB	"brforward"

net/bridge/netfilter/nft_reject_bridge.c

···
 #include <net/netfilter/ipv6/nf_reject.h>
 #include <linux/ip.h>
 #include <net/ip.h>
+#include <net/ip6_checksum.h>
 #include <linux/netfilter_bridge.h>
 #include "../br_private.h"
 

net/dsa/slave.c

···
 	/* We could not connect to a designated PHY, so use the switch internal
 	 * MDIO bus instead
 	 */
-	if (!p->phy)
+	if (!p->phy) {
 		p->phy = ds->slave_mii_bus->phy_map[p->port];
-	else
+		phy_connect_direct(slave_dev, p->phy, dsa_slave_adjust_link,
+				   p->phy_interface);
+	} else {
 		pr_info("attached PHY at address %d [%s]\n",
 			p->phy->addr, p->phy->drv->name);
+	}
 }
 
 int dsa_slave_suspend(struct net_device *slave_dev)

net/ipv4/geneve.c

···
 	gnvh = (struct genevehdr *)__skb_push(skb, sizeof(*gnvh) + opt_len);
 	geneve_build_header(gnvh, tun_flags, vni, opt_len, opt);
 
+	skb_set_inner_protocol(skb, htons(ETH_P_TEB));
+
 	return udp_tunnel_xmit_skb(gs->sock, rt, skb, src, dst,
 				   tos, ttl, df, src_port, dst_port, xnet);
 }
···
 static void __exit geneve_cleanup_module(void)
 {
 	destroy_workqueue(geneve_wq);
+	unregister_pernet_subsys(&geneve_net_ops);
 }
 module_exit(geneve_cleanup_module);
 

net/ipv4/tcp_input.c

···
 
 /* Undo procedures. */
 
+/* We can clear retrans_stamp when there are no retransmissions in the
+ * window. It would seem that it is trivially available for us in
+ * tp->retrans_out, however, that kind of assumptions doesn't consider
+ * what will happen if errors occur when sending retransmission for the
+ * second time. ...It could the that such segment has only
+ * TCPCB_EVER_RETRANS set at the present time. It seems that checking
+ * the head skb is enough except for some reneging corner cases that
+ * are not worth the effort.
+ *
+ * Main reason for all this complexity is the fact that connection dying
+ * time now depends on the validity of the retrans_stamp, in particular,
+ * that successive retransmissions of a segment must not advance
+ * retrans_stamp under any conditions.
+ */
+static bool tcp_any_retrans_done(const struct sock *sk)
+{
+	const struct tcp_sock *tp = tcp_sk(sk);
+	struct sk_buff *skb;
+
+	if (tp->retrans_out)
+		return true;
+
+	skb = tcp_write_queue_head(sk);
+	if (unlikely(skb && TCP_SKB_CB(skb)->sacked & TCPCB_EVER_RETRANS))
+		return true;
+
+	return false;
+}
+
 #if FASTRETRANS_DEBUG > 1
 static void DBGUNDO(struct sock *sk, const char *msg)
 {
···
 		 * is ACKed. For Reno it is MUST to prevent false
 		 * fast retransmits (RFC2582). SACK TCP is safe. */
 		tcp_moderate_cwnd(tp);
+		if (!tcp_any_retrans_done(sk))
+			tp->retrans_stamp = 0;
 		return true;
 	}
 	tcp_set_ca_state(sk, TCP_CA_Open);
···
 		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPDSACKUNDO);
 		return true;
 	}
-	return false;
-}
-
-/* We can clear retrans_stamp when there are no retransmissions in the
- * window. It would seem that it is trivially available for us in
- * tp->retrans_out, however, that kind of assumptions doesn't consider
- * what will happen if errors occur when sending retransmission for the
- * second time. ...It could the that such segment has only
- * TCPCB_EVER_RETRANS set at the present time. It seems that checking
- * the head skb is enough except for some reneging corner cases that
- * are not worth the effort.
- *
- * Main reason for all this complexity is the fact that connection dying
- * time now depends on the validity of the retrans_stamp, in particular,
- * that successive retransmissions of a segment must not advance
- * retrans_stamp under any conditions.
- */
-static bool tcp_any_retrans_done(const struct sock *sk)
-{
-	const struct tcp_sock *tp = tcp_sk(sk);
-	struct sk_buff *skb;
-
-	if (tp->retrans_out)
-		return true;
-
-	skb = tcp_write_queue_head(sk);
-	if (unlikely(skb && TCP_SKB_CB(skb)->sacked & TCPCB_EVER_RETRANS))
-		return true;
-
 	return false;
 }
 

net/ipv6/ip6_gre.c

···
 	else
 		dev->flags &= ~IFF_POINTOPOINT;
 
-	dev->iflink = p->link;
-
 	/* Precalculate GRE options length */
 	if (t->parms.o_flags&(GRE_CSUM|GRE_KEY|GRE_SEQ)) {
 		if (t->parms.o_flags&GRE_CSUM)
···
 		u64_stats_init(&ip6gre_tunnel_stats->syncp);
 	}
 
+	dev->iflink = tunnel->parms.link;
 
 	return 0;
 }
···
 	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
 	if (!dev->tstats)
 		return -ENOMEM;
+
+	dev->iflink = tunnel->parms.link;
 
 	return 0;
 }

net/ipv6/ip6_tunnel.c

···
 	int err;
 
 	t = netdev_priv(dev);
-	err = ip6_tnl_dev_init(dev);
-	if (err < 0)
-		goto out;
 
 	err = register_netdevice(dev);
 	if (err < 0)
···
 
 
 static const struct net_device_ops ip6_tnl_netdev_ops = {
+	.ndo_init	= ip6_tnl_dev_init,
 	.ndo_uninit	= ip6_tnl_dev_uninit,
 	.ndo_start_xmit = ip6_tnl_xmit,
 	.ndo_do_ioctl	= ip6_tnl_ioctl,
···
 	struct ip6_tnl *t = netdev_priv(dev);
 	struct net *net = dev_net(dev);
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
-	int err = ip6_tnl_dev_init_gen(dev);
-
-	if (err)
-		return err;
 
 	t->parms.proto = IPPROTO_IPV6;
 	dev_hold(dev);
-
-	ip6_tnl_link_config(t);
 
 	rcu_assign_pointer(ip6n->tnls_wc[0], t);
 	return 0;

net/ipv6/ip6_vti.c

···
 	struct vti6_net *ip6n = net_generic(net, vti6_net_id);
 	int err;
 
-	err = vti6_dev_init(dev);
-	if (err < 0)
-		goto out;
-
 	err = register_netdevice(dev);
 	if (err < 0)
 		goto out;
···
 }
 
 static const struct net_device_ops vti6_netdev_ops = {
+	.ndo_init	= vti6_dev_init,
 	.ndo_uninit	= vti6_dev_uninit,
 	.ndo_start_xmit = vti6_tnl_xmit,
 	.ndo_do_ioctl	= vti6_ioctl,
···
 	struct ip6_tnl *t = netdev_priv(dev);
 	struct net *net = dev_net(dev);
 	struct vti6_net *ip6n = net_generic(net, vti6_net_id);
-	int err = vti6_dev_init_gen(dev);
-
-	if (err)
-		return err;
 
 	t->parms.proto = IPPROTO_IPV6;
 	dev_hold(dev);
-
-	vti6_link_config(t);
 
 	rcu_assign_pointer(ip6n->tnls_wc[0], t);
 	return 0;

net/ipv6/sit.c

···
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 	int err;
 
-	err = ipip6_tunnel_init(dev);
-	if (err < 0)
-		goto out;
-	ipip6_tunnel_clone_6rd(dev, sitn);
+	memcpy(dev->dev_addr, &t->parms.iph.saddr, 4);
+	memcpy(dev->broadcast, &t->parms.iph.daddr, 4);
 
 	if ((__force u16)t->parms.i_flags & SIT_ISATAP)
 		dev->priv_flags |= IFF_ISATAP;
···
 	if (err < 0)
 		goto out;
 
-	strcpy(t->parms.name, dev->name);
+	ipip6_tunnel_clone_6rd(dev, sitn);
+
 	dev->rtnl_link_ops = &sit_link_ops;
 
 	dev_hold(dev);
···
 }
 
 static const struct net_device_ops ipip6_netdev_ops = {
+	.ndo_init	= ipip6_tunnel_init,
 	.ndo_uninit	= ipip6_tunnel_uninit,
 	.ndo_start_xmit	= sit_tunnel_xmit,
 	.ndo_do_ioctl	= ipip6_tunnel_ioctl,
···
 
 	tunnel->dev = dev;
 	tunnel->net = dev_net(dev);
-
-	memcpy(dev->dev_addr, &tunnel->parms.iph.saddr, 4);
-	memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
+	strcpy(tunnel->parms.name, dev->name);
 
 	ipip6_tunnel_bind_dev(dev);
 	dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
···
 
 	tunnel->dev = dev;
 	tunnel->net = dev_net(dev);
-	strcpy(tunnel->parms.name, dev->name);
 
 	iph->version		= 4;
 	iph->protocol		= IPPROTO_IPV6;