13 files changed, 175 insertions, 32 deletions

diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index 0f4241c6e97e..238ccea965c8 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -3294,7 +3294,6 @@ static int __init vortex_init(void)
 
 static void __exit vortex_eisa_cleanup(void)
 {
-	struct vortex_private *vp;
 	void __iomem *ioaddr;
 
 #ifdef CONFIG_EISA
@@ -3303,7 +3302,6 @@ static void __exit vortex_eisa_cleanup(void)
 #endif
 
 	if (compaq_net_device) {
-		vp = netdev_priv(compaq_net_device);
 		ioaddr = ioport_map(compaq_net_device->base_addr,
 		                    VORTEX_TOTAL_SIZE);
 
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
index 0cc21437478c..511f6eecd58b 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -929,6 +929,9 @@ static int emac_resume(struct platform_device *dev)
 }
 
 static const struct of_device_id emac_of_match[] = {
+	{.compatible = "allwinner,sun4i-a10-emac",},
+
+	/* Deprecated */
 	{.compatible = "allwinner,sun4i-emac",},
 	{},
 };
diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index e92ffd6e1c15..2e45f6ec1bf0 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -1292,6 +1292,7 @@ static int alx_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	alx = netdev_priv(netdev);
 	spin_lock_init(&alx->hw.mdio_lock);
 	spin_lock_init(&alx->irq_lock);
+	spin_lock_init(&alx->stats_lock);
 	alx->dev = netdev;
 	alx->hw.pdev = pdev;
 	alx->msg_enable = NETIF_MSG_LINK | NETIF_MSG_HW | NETIF_MSG_IFUP |
diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
index 9d2dedadf2df..cda25ac45b47 100644
--- a/drivers/net/ethernet/broadcom/bnx2.c
+++ b/drivers/net/ethernet/broadcom/bnx2.c
@@ -85,7 +85,7 @@ MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax);
 
 static int disable_msi = 0;
 
-module_param(disable_msi, int, 0);
+module_param(disable_msi, int, S_IRUGO);
 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
 
 typedef enum {
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index 17d1689aec6b..bfc58d488bb5 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -936,7 +936,7 @@ static inline int bnx2x_func_start(struct bnx2x *bp)
 	else /* CHIP_IS_E1X */
 		start_params->network_cos_mode = FW_WRR;
 
-	start_params->gre_tunnel_mode = IPGRE_TUNNEL;
+	start_params->gre_tunnel_mode = L2GRE_TUNNEL;
 	start_params->gre_tunnel_rss = GRE_INNER_HEADERS_RSS;
 
 	return bnx2x_func_state_change(bp, &func_params);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index c9c445e7b4a5..7d4382286457 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -95,29 +95,29 @@ MODULE_FIRMWARE(FW_FILE_NAME_E1H);
 MODULE_FIRMWARE(FW_FILE_NAME_E2);
 
 int bnx2x_num_queues;
-module_param_named(num_queues, bnx2x_num_queues, int, 0);
+module_param_named(num_queues, bnx2x_num_queues, int, S_IRUGO);
 MODULE_PARM_DESC(num_queues,
 		 " Set number of queues (default is as a number of CPUs)");
 
 static int disable_tpa;
-module_param(disable_tpa, int, 0);
+module_param(disable_tpa, int, S_IRUGO);
 MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
 
 static int int_mode;
-module_param(int_mode, int, 0);
+module_param(int_mode, int, S_IRUGO);
 MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X "
 				"(1 INT#x; 2 MSI)");
 
 static int dropless_fc;
-module_param(dropless_fc, int, 0);
+module_param(dropless_fc, int, S_IRUGO);
 MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
 
 static int mrrs = -1;
-module_param(mrrs, int, 0);
+module_param(mrrs, int, S_IRUGO);
 MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
 
 static int debug;
-module_param(debug, int, 0);
+module_param(debug, int, S_IRUGO);
 MODULE_PARM_DESC(debug, " Default debug msglevel");
 
 struct workqueue_struct *bnx2x_wq;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index aec5ef2ed7ce..e42f48df6e94 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -1446,12 +1446,12 @@ static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
 	if (vf->cfg_flags & VF_CFG_INT_SIMD)
 		val |= IGU_VF_CONF_SINGLE_ISR_EN;
 	val &= ~IGU_VF_CONF_PARENT_MASK;
-	val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT;	/* parent PF */
+	val |= (BP_ABS_FUNC(bp) >> 1) << IGU_VF_CONF_PARENT_SHIFT;
 	REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
 
 	DP(BNX2X_MSG_IOV,
-	   "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
-	   vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION));
+	   "value in IGU_REG_VF_CONFIGURATION of vf %d after write is 0x%08x\n",
+	   vf->abs_vfid, val);
 
 	bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
 
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index e2ca03e23dc1..3167ed6593b0 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -2609,13 +2609,14 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
 
 	tg3_writephy(tp, MII_CTRL1000, phy9_orig);
 
-	if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32)) {
-		reg32 &= ~0x3000;
-		tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
-	} else if (!err)
-		err = -EBUSY;
+	err = tg3_readphy(tp, MII_TG3_EXT_CTRL, &reg32);
+	if (err)
+		return err;
 
-	return err;
+	reg32 &= ~0x3000;
+	tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32);
+
+	return 0;
 }
 
 static void tg3_carrier_off(struct tg3 *tp)
@@ -14113,12 +14114,12 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu)
 
 	tg3_netif_stop(tp);
 
+	tg3_set_mtu(dev, tp, new_mtu);
+
 	tg3_full_lock(tp, 1);
 
 	tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
 
-	tg3_set_mtu(dev, tp, new_mtu);
-
 	/* Reset PHY, otherwise the read DMA engine will be in a mode that
 	 * breaks all requests to 256 bytes.
 	 */
diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c
index 4de8cfd149cf..55e0fa03dc90 100644
--- a/drivers/net/ethernet/ethoc.c
+++ b/drivers/net/ethernet/ethoc.c
@@ -13,6 +13,7 @@
 
 #include <linux/dma-mapping.h>
 #include <linux/etherdevice.h>
+#include <linux/clk.h>
 #include <linux/crc32.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
@@ -51,6 +52,7 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size");
 #define	ETH_HASH0	0x48
 #define	ETH_HASH1	0x4c
 #define	ETH_TXCTRL	0x50
+#define	ETH_END		0x54
 
 /* mode register */
 #define	MODER_RXEN	(1 <<  0) /* receive enable */
@@ -179,6 +181,7 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size");
  * @membase:	pointer to buffer memory region
  * @dma_alloc:	dma allocated buffer size
  * @io_region_size:	I/O memory region size
+ * @num_bd:	number of buffer descriptors
  * @num_tx:	number of send buffers
  * @cur_tx:	last send buffer written
  * @dty_tx:	last buffer actually sent
@@ -199,6 +202,7 @@ struct ethoc {
 	int dma_alloc;
 	resource_size_t io_region_size;
 
+	unsigned int num_bd;
 	unsigned int num_tx;
 	unsigned int cur_tx;
 	unsigned int dty_tx;
@@ -216,6 +220,7 @@ struct ethoc {
 
 	struct phy_device *phy;
 	struct mii_bus *mdio;
+	struct clk *clk;
 	s8 phy_id;
 };
 
@@ -688,6 +693,11 @@ static int ethoc_mdio_probe(struct net_device *dev)
 	}
 
 	priv->phy = phy;
+	phy->advertising &= ~(ADVERTISED_1000baseT_Full |
+			      ADVERTISED_1000baseT_Half);
+	phy->supported &= ~(SUPPORTED_1000baseT_Full |
+			    SUPPORTED_1000baseT_Half);
+
 	return 0;
 }
 
@@ -890,6 +900,102 @@ out:
 	return NETDEV_TX_OK;
 }
 
+static int ethoc_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	struct ethoc *priv = netdev_priv(dev);
+	struct phy_device *phydev = priv->phy;
+
+	if (!phydev)
+		return -EOPNOTSUPP;
+
+	return phy_ethtool_gset(phydev, cmd);
+}
+
+static int ethoc_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	struct ethoc *priv = netdev_priv(dev);
+	struct phy_device *phydev = priv->phy;
+
+	if (!phydev)
+		return -EOPNOTSUPP;
+
+	return phy_ethtool_sset(phydev, cmd);
+}
+
+static int ethoc_get_regs_len(struct net_device *netdev)
+{
+	return ETH_END;
+}
+
+static void ethoc_get_regs(struct net_device *dev, struct ethtool_regs *regs,
+			   void *p)
+{
+	struct ethoc *priv = netdev_priv(dev);
+	u32 *regs_buff = p;
+	unsigned i;
+
+	regs->version = 0;
+	for (i = 0; i < ETH_END / sizeof(u32); ++i)
+		regs_buff[i] = ethoc_read(priv, i * sizeof(u32));
+}
+
+static void ethoc_get_ringparam(struct net_device *dev,
+				struct ethtool_ringparam *ring)
+{
+	struct ethoc *priv = netdev_priv(dev);
+
+	ring->rx_max_pending = priv->num_bd - 1;
+	ring->rx_mini_max_pending = 0;
+	ring->rx_jumbo_max_pending = 0;
+	ring->tx_max_pending = priv->num_bd - 1;
+
+	ring->rx_pending = priv->num_rx;
+	ring->rx_mini_pending = 0;
+	ring->rx_jumbo_pending = 0;
+	ring->tx_pending = priv->num_tx;
+}
+
+static int ethoc_set_ringparam(struct net_device *dev,
+			       struct ethtool_ringparam *ring)
+{
+	struct ethoc *priv = netdev_priv(dev);
+
+	if (ring->tx_pending < 1 || ring->rx_pending < 1 ||
+	    ring->tx_pending + ring->rx_pending > priv->num_bd)
+		return -EINVAL;
+	if (ring->rx_mini_pending || ring->rx_jumbo_pending)
+		return -EINVAL;
+
+	if (netif_running(dev)) {
+		netif_tx_disable(dev);
+		ethoc_disable_rx_and_tx(priv);
+		ethoc_disable_irq(priv, INT_MASK_TX | INT_MASK_RX);
+		synchronize_irq(dev->irq);
+	}
+
+	priv->num_tx = rounddown_pow_of_two(ring->tx_pending);
+	priv->num_rx = ring->rx_pending;
+	ethoc_init_ring(priv, dev->mem_start);
+
+	if (netif_running(dev)) {
+		ethoc_enable_irq(priv, INT_MASK_TX | INT_MASK_RX);
+		ethoc_enable_rx_and_tx(priv);
+		netif_wake_queue(dev);
+	}
+	return 0;
+}
+
+const struct ethtool_ops ethoc_ethtool_ops = {
+	.get_settings = ethoc_get_settings,
+	.set_settings = ethoc_set_settings,
+	.get_regs_len = ethoc_get_regs_len,
+	.get_regs = ethoc_get_regs,
+	.get_link = ethtool_op_get_link,
+	.get_ringparam = ethoc_get_ringparam,
+	.set_ringparam = ethoc_set_ringparam,
+	.get_ts_info = ethtool_op_get_ts_info,
+};
+
 static const struct net_device_ops ethoc_netdev_ops = {
 	.ndo_open = ethoc_open,
 	.ndo_stop = ethoc_stop,
@@ -917,6 +1023,8 @@ static int ethoc_probe(struct platform_device *pdev)
 	int num_bd;
 	int ret = 0;
 	bool random_mac = false;
+	struct ethoc_platform_data *pdata = dev_get_platdata(&pdev->dev);
+	u32 eth_clkfreq = pdata ? pdata->eth_clkfreq : 0;
 
 	/* allocate networking device */
 	netdev = alloc_etherdev(sizeof(struct ethoc));
@@ -1016,6 +1124,7 @@ static int ethoc_probe(struct platform_device *pdev)
 		ret = -ENODEV;
 		goto error;
 	}
+	priv->num_bd = num_bd;
 	/* num_tx must be a power of two */
 	priv->num_tx = rounddown_pow_of_two(num_bd >> 1);
 	priv->num_rx = num_bd - priv->num_tx;
@@ -1030,8 +1139,7 @@ static int ethoc_probe(struct platform_device *pdev)
 	}
 
 	/* Allow the platform setup code to pass in a MAC address. */
-	if (dev_get_platdata(&pdev->dev)) {
-		struct ethoc_platform_data *pdata = dev_get_platdata(&pdev->dev);
+	if (pdata) {
 		memcpy(netdev->dev_addr, pdata->hwaddr, IFHWADDRLEN);
 		priv->phy_id = pdata->phy_id;
 	} else {
@@ -1069,6 +1177,27 @@ static int ethoc_probe(struct platform_device *pdev)
 	if (random_mac)
 		netdev->addr_assign_type = NET_ADDR_RANDOM;
 
+	/* Allow the platform setup code to adjust MII management bus clock. */
+	if (!eth_clkfreq) {
+		struct clk *clk = devm_clk_get(&pdev->dev, NULL);
+
+		if (!IS_ERR(clk)) {
+			priv->clk = clk;
+			clk_prepare_enable(clk);
+			eth_clkfreq = clk_get_rate(clk);
+		}
+	}
+	if (eth_clkfreq) {
+		u32 clkdiv = MIIMODER_CLKDIV(eth_clkfreq / 2500000 + 1);
+
+		if (!clkdiv)
+			clkdiv = 2;
+		dev_dbg(&pdev->dev, "setting MII clkdiv to %u\n", clkdiv);
+		ethoc_write(priv, MIIMODER,
+			    (ethoc_read(priv, MIIMODER) & MIIMODER_NOPRE) |
+			    clkdiv);
+	}
+
 	/* register MII bus */
 	priv->mdio = mdiobus_alloc();
 	if (!priv->mdio) {
@@ -1111,6 +1240,7 @@ static int ethoc_probe(struct platform_device *pdev)
 	netdev->netdev_ops = &ethoc_netdev_ops;
 	netdev->watchdog_timeo = ETHOC_TIMEOUT;
 	netdev->features |= 0;
+	netdev->ethtool_ops = &ethoc_ethtool_ops;
 
 	/* setup NAPI */
 	netif_napi_add(netdev, &priv->napi, ethoc_poll, 64);
@@ -1133,6 +1263,8 @@ free_mdio:
 	kfree(priv->mdio->irq);
 	mdiobus_free(priv->mdio);
 free:
+	if (priv->clk)
+		clk_disable_unprepare(priv->clk);
 	free_netdev(netdev);
 out:
 	return ret;
@@ -1157,6 +1289,8 @@ static int ethoc_remove(struct platform_device *pdev)
 			kfree(priv->mdio->irq);
 			mdiobus_free(priv->mdio);
 		}
+		if (priv->clk)
+			clk_disable_unprepare(priv->clk);
 		unregister_netdev(netdev);
 		free_netdev(netdev);
 	}
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index cbaba4442d4b..bf7a01ef9a57 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -3034,7 +3034,7 @@ static void __e100_shutdown(struct pci_dev *pdev, bool *enable_wake)
 		*enable_wake = false;
 	}
 
-	pci_disable_device(pdev);
+	pci_clear_master(pdev);
 }
 
 static int __e100_power_off(struct pci_dev *pdev, bool wake)
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c
index 1ded50ca1600..e46e8698e630 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-main.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c
@@ -726,9 +726,6 @@ static int vxge_learn_mac(struct vxgedev *vdev, u8 *mac_header)
 	int vpath_idx = 0;
 	enum vxge_hw_status status = VXGE_HW_OK;
 	struct vxge_vpath *vpath = NULL;
-	struct __vxge_hw_device *hldev;
-
-	hldev = pci_get_drvdata(vdev->pdev);
 
 	mac_address = (u8 *)&mac_addr;
 	memcpy(mac_address, mac_header, ETH_ALEN);
@@ -2443,9 +2440,6 @@ static void vxge_rem_msix_isr(struct vxgedev *vdev)
 
 static void vxge_rem_isr(struct vxgedev *vdev)
 {
-	struct __vxge_hw_device *hldev;
-	hldev = pci_get_drvdata(vdev->pdev);
-
 #ifdef CONFIG_PCI_MSI
 	if (vdev->config.intr_type == MSI_X) {
 		vxge_rem_msix_isr(vdev);
diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c
index c49d1fb16965..75d11fa4eb0a 100644
--- a/drivers/net/ethernet/sfc/tx.c
+++ b/drivers/net/ethernet/sfc/tx.c
@@ -429,7 +429,9 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb)
 	}
 
 	/* Transfer ownership of the skb to the final buffer */
+#ifdef EFX_USE_PIO
 finish_packet:
+#endif
 	buffer->skb = skb;
 	buffer->flags = EFX_TX_BUF_SKB | dma_flags;
 
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index bde63e3af96f..1d860ce914ed 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1878,8 +1878,18 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
 		mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
 		phyid = be32_to_cpup(parp+1);
 		mdio = of_find_device_by_node(mdio_node);
-		snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
-			 PHY_ID_FMT, mdio->name, phyid);
+
+		if (strncmp(mdio->name, "gpio", 4) == 0) {
+			/* GPIO bitbang MDIO driver attached */
+			struct mii_bus *bus = dev_get_drvdata(&mdio->dev);
+
+			snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+				 PHY_ID_FMT, bus->id, phyid);
+		} else {
+			/* davinci MDIO driver attached */
+			snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+				 PHY_ID_FMT, mdio->name, phyid);
+		}
 
 		mac_addr = of_get_mac_address(slave_node);
 		if (mac_addr)