Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:
	drivers/net/e1000/e1000_main.c

Documentation/networking/alias.txt

@@ -2,14 +2,14 @@
 IP-Aliasing:
 ============
 
-IP-aliases are additional IP-addresses/masks hooked up to a base 
+IP-aliases are an obsolete way to manage multiple IP-addresses/masks
-interface by adding a colon and a string when running ifconfig. 
+per interface. Newer tools such as iproute2 support multiple
+address/prefixes per interface, but aliases are still supported
+for backwards compatibility.
+
+An alias is formed by adding a colon and a string when running ifconfig.
 This string is usually numeric, but this is not a must.
 
-IP-Aliases are avail if CONFIG_INET (`standard' IPv4 networking) 
-is configured in the kernel.
-
-
 o Alias creation.
   Alias creation is done by 'magic' interface naming: eg. to create a
   200.1.1.1 alias for eth0 ...
@@ -38,16 +38,3 @@ o Relationship with main device
 
   If the base device is shut down the added aliases will be deleted 
   too.
-
-
-Contact
--------
-Please finger or e-mail me:
-   Juan Jose Ciarlante <jjciarla@raiz.uncu.edu.ar>
-
-Updated by Erik Schoenfelder <schoenfr@gaertner.DE>
-
-; local variables:
-; mode: indented-text
-; mode: auto-fill
-; end:

MAINTAINERS

@@ -2836,8 +2836,6 @@ S:	Maintained
 MAC80211
 P:	Johannes Berg
 M:	johannes@sipsolutions.net
-P:	Michael Wu
-M:	flamingice@sourmilk.net
 L:	linux-wireless@vger.kernel.org
 W:	http://linuxwireless.org/
 T:	git kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.git

drivers/net/e1000/e1000_main.c

@@ -31,7 +31,7 @@
 
 char e1000_driver_name[] = "e1000";
 static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver";
-#define DRV_VERSION "7.3.21-k2-NAPI"
+#define DRV_VERSION "7.3.21-k3-NAPI"
 const char e1000_driver_version[] = DRV_VERSION;
 static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";
 
@@ -3697,7 +3697,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
 	struct e1000_hw *hw = &adapter->hw;
 	u32 rctl, icr = er32(ICR);
 
-	if (unlikely(!icr))
+	if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags)))
 		return IRQ_NONE;  /* Not our interrupt */
 
 	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is

drivers/net/gianfar_mii.c

@@ -234,6 +234,8 @@ static int gfar_mdio_probe(struct of_device *ofdev,
 	if (NULL == new_bus)
 		return -ENOMEM;
 
+	device_init_wakeup(&ofdev->dev, 1);
+
 	new_bus->name = "Gianfar MII Bus",
 	new_bus->read = &gfar_mdio_read,
 	new_bus->write = &gfar_mdio_write,

drivers/net/netxen/netxen_nic.h

@@ -210,7 +210,7 @@
 #define MAX_CMD_DESCRIPTORS_HOST	1024
 #define MAX_RCV_DESCRIPTORS_1G		2048
 #define MAX_RCV_DESCRIPTORS_10G		4096
-#define MAX_JUMBO_RCV_DESCRIPTORS	512
+#define MAX_JUMBO_RCV_DESCRIPTORS	1024
 #define MAX_LRO_RCV_DESCRIPTORS		8
 #define MAX_RCVSTATUS_DESCRIPTORS	MAX_RCV_DESCRIPTORS
 #define MAX_JUMBO_RCV_DESC	MAX_JUMBO_RCV_DESCRIPTORS

drivers/net/netxen/netxen_nic_init.c

@@ -947,8 +947,10 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
 	}
 	for (i = 0; i < n; i++) {
 		if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 ||
-		netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0)
+		netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) {
+			kfree(buf);
 			return -EIO;
+		}
 
 		buf[i].addr = addr;
 		buf[i].data = val;

drivers/net/r6040.c

@@ -438,7 +438,6 @@ static void r6040_down(struct net_device *dev)
 {
 	struct r6040_private *lp = netdev_priv(dev);
 	void __iomem *ioaddr = lp->base;
-	struct pci_dev *pdev = lp->pdev;
 	int limit = 2048;
 	u16 *adrp;
 	u16 cmd;

drivers/net/sfc/efx.c

@@ -675,9 +675,8 @@ static int efx_init_port(struct efx_nic *efx)
 	rc = efx->phy_op->init(efx);
 	if (rc)
 		return rc;
-	efx->phy_op->reconfigure(efx);
-
 	mutex_lock(&efx->mac_lock);
+	efx->phy_op->reconfigure(efx);
 	rc = falcon_switch_mac(efx);
 	mutex_unlock(&efx->mac_lock);
 	if (rc)
@@ -685,7 +684,7 @@ static int efx_init_port(struct efx_nic *efx)
 	efx->mac_op->reconfigure(efx);
 
 	efx->port_initialized = true;
-	efx->stats_enabled = true;
+	efx_stats_enable(efx);
 	return 0;
 
 fail:
@@ -734,6 +733,7 @@ static void efx_fini_port(struct efx_nic *efx)
 	if (!efx->port_initialized)
 		return;
 
+	efx_stats_disable(efx);
 	efx->phy_op->fini(efx);
 	efx->port_initialized = false;
 
@@ -1352,6 +1352,20 @@ static int efx_net_stop(struct net_device *net_dev)
 	return 0;
 }
 
+void efx_stats_disable(struct efx_nic *efx)
+{
+	spin_lock(&efx->stats_lock);
+	++efx->stats_disable_count;
+	spin_unlock(&efx->stats_lock);
+}
+
+void efx_stats_enable(struct efx_nic *efx)
+{
+	spin_lock(&efx->stats_lock);
+	--efx->stats_disable_count;
+	spin_unlock(&efx->stats_lock);
+}
+
 /* Context: process, dev_base_lock or RTNL held, non-blocking. */
 static struct net_device_stats *efx_net_stats(struct net_device *net_dev)
 {
@@ -1360,12 +1374,12 @@ static struct net_device_stats *efx_net_stats(struct net_device *net_dev)
 	struct net_device_stats *stats = &net_dev->stats;
 
 	/* Update stats if possible, but do not wait if another thread
-	 * is updating them (or resetting the NIC); slightly stale
+	 * is updating them or if MAC stats fetches are temporarily
-	 * stats are acceptable.
+	 * disabled; slightly stale stats are acceptable.
 	 */
 	if (!spin_trylock(&efx->stats_lock))
 		return stats;
-	if (efx->stats_enabled) {
+	if (!efx->stats_disable_count) {
 		efx->mac_op->update_stats(efx);
 		falcon_update_nic_stats(efx);
 	}
@@ -1613,16 +1627,12 @@ static void efx_unregister_netdev(struct efx_nic *efx)
 
 /* Tears down the entire software state and most of the hardware state
  * before reset.  */
-void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+void efx_reset_down(struct efx_nic *efx, enum reset_type method,
+		    struct ethtool_cmd *ecmd)
 {
 	EFX_ASSERT_RESET_SERIALISED(efx);
 
-	/* The net_dev->get_stats handler is quite slow, and will fail
+	efx_stats_disable(efx);
-	 * if a fetch is pending over reset. Serialise against it. */
-	spin_lock(&efx->stats_lock);
-	efx->stats_enabled = false;
-	spin_unlock(&efx->stats_lock);
-
 	efx_stop_all(efx);
 	mutex_lock(&efx->mac_lock);
 	mutex_lock(&efx->spi_lock);
@@ -1630,6 +1640,8 @@ void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 	efx->phy_op->get_settings(efx, ecmd);
 
 	efx_fini_channels(efx);
+	if (efx->port_initialized && method != RESET_TYPE_INVISIBLE)
+		efx->phy_op->fini(efx);
 }
 
 /* This function will always ensure that the locks acquired in
@@ -1637,7 +1649,8 @@ void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd)
  * that we were unable to reinitialise the hardware, and the
  * driver should be disabled. If ok is false, then the rx and tx
  * engines are not restarted, pending a RESET_DISABLE. */
-int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd, bool ok)
+int efx_reset_up(struct efx_nic *efx, enum reset_type method,
+		 struct ethtool_cmd *ecmd, bool ok)
 {
 	int rc;
 
@@ -1649,6 +1662,15 @@ int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd, bool ok)
 		ok = false;
 	}
 
+	if (efx->port_initialized && method != RESET_TYPE_INVISIBLE) {
+		if (ok) {
+			rc = efx->phy_op->init(efx);
+			if (rc)
+				ok = false;
+		} else
+			efx->port_initialized = false;
+	}
+
 	if (ok) {
 		efx_init_channels(efx);
 
@@ -1661,7 +1683,7 @@ int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd, bool ok)
 
 	if (ok) {
 		efx_start_all(efx);
-		efx->stats_enabled = true;
+		efx_stats_enable(efx);
 	}
 	return rc;
 }
@@ -1693,7 +1715,7 @@ static int efx_reset(struct efx_nic *efx)
 
 	EFX_INFO(efx, "resetting (%d)\n", method);
 
-	efx_reset_down(efx, &ecmd);
+	efx_reset_down(efx, method, &ecmd);
 
 	rc = falcon_reset_hw(efx, method);
 	if (rc) {
@@ -1712,10 +1734,10 @@ static int efx_reset(struct efx_nic *efx)
 
 	/* Leave device stopped if necessary */
 	if (method == RESET_TYPE_DISABLE) {
-		efx_reset_up(efx, &ecmd, false);
+		efx_reset_up(efx, method, &ecmd, false);
 		rc = -EIO;
 	} else {
-		rc = efx_reset_up(efx, &ecmd, true);
+		rc = efx_reset_up(efx, method, &ecmd, true);
 	}
 
 out_disable:
@@ -1867,6 +1889,7 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
 	efx->rx_checksum_enabled = true;
 	spin_lock_init(&efx->netif_stop_lock);
 	spin_lock_init(&efx->stats_lock);
+	efx->stats_disable_count = 1;
 	mutex_init(&efx->mac_lock);
 	efx->mac_op = &efx_dummy_mac_operations;
 	efx->phy_op = &efx_dummy_phy_operations;

drivers/net/sfc/efx.h

@@ -36,13 +36,16 @@ extern void efx_process_channel_now(struct efx_channel *channel);
 extern void efx_flush_queues(struct efx_nic *efx);
 
 /* Ports */
+extern void efx_stats_disable(struct efx_nic *efx);
+extern void efx_stats_enable(struct efx_nic *efx);
 extern void efx_reconfigure_port(struct efx_nic *efx);
 extern void __efx_reconfigure_port(struct efx_nic *efx);
 
 /* Reset handling */
-extern void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd);
+extern void efx_reset_down(struct efx_nic *efx, enum reset_type method,
-extern int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd,
+			   struct ethtool_cmd *ecmd);
-			bool ok);
+extern int efx_reset_up(struct efx_nic *efx, enum reset_type method,
+			struct ethtool_cmd *ecmd, bool ok);
 
 /* Global */
 extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type);

drivers/net/sfc/ethtool.c

@@ -219,9 +219,6 @@ int efx_ethtool_set_settings(struct net_device *net_dev,
 	struct efx_nic *efx = netdev_priv(net_dev);
 	int rc;
 
-	if (EFX_WORKAROUND_13963(efx) && !ecmd->autoneg)
-		return -EINVAL;
-
 	/* Falcon GMAC does not support 1000Mbps HD */
 	if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) {
 		EFX_LOG(efx, "rejecting unsupported 1000Mbps HD"

drivers/net/sfc/falcon.c

@@ -824,10 +824,6 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue,
 			    rx_ev_pause_frm ? " [PAUSE]" : "");
 	}
 #endif
-
-	if (unlikely(rx_ev_eth_crc_err && EFX_WORKAROUND_10750(efx) &&
-		     efx->phy_type == PHY_TYPE_SFX7101))
-		tenxpress_crc_err(efx);
 }
 
 /* Handle receive events that are not in-order. */
@@ -1887,7 +1883,7 @@ static int falcon_reset_macs(struct efx_nic *efx)
 
 	/* MAC stats will fail whilst the TX fifo is draining. Serialise
 	 * the drain sequence with the statistics fetch */
-	spin_lock(&efx->stats_lock);
+	efx_stats_disable(efx);
 
 	falcon_read(efx, &reg, MAC0_CTRL_REG_KER);
 	EFX_SET_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0, 1);
@@ -1917,7 +1913,7 @@ static int falcon_reset_macs(struct efx_nic *efx)
 		udelay(10);
 	}
 
-	spin_unlock(&efx->stats_lock);
+	efx_stats_enable(efx);
 
 	/* If we've reset the EM block and the link is up, then
 	 * we'll have to kick the XAUI link so the PHY can recover */
@@ -2277,6 +2273,10 @@ int falcon_switch_mac(struct efx_nic *efx)
 	struct efx_mac_operations *old_mac_op = efx->mac_op;
 	efx_oword_t nic_stat;
 	unsigned strap_val;
+	int rc = 0;
+
+	/* Don't try to fetch MAC stats while we're switching MACs */
+	efx_stats_disable(efx);
 
 	/* Internal loopbacks override the phy speed setting */
 	if (efx->loopback_mode == LOOPBACK_GMAC) {
@@ -2287,16 +2287,12 @@ int falcon_switch_mac(struct efx_nic *efx)
 		efx->link_fd = true;
 	}
 
+	WARN_ON(!mutex_is_locked(&efx->mac_lock));
 	efx->mac_op = (EFX_IS10G(efx) ?
 		       &falcon_xmac_operations : &falcon_gmac_operations);
-	if (old_mac_op == efx->mac_op)
-		return 0;
-
-	WARN_ON(!mutex_is_locked(&efx->mac_lock));
-
-	/* Not all macs support a mac-level link state */
-	efx->mac_up = true;
 
+	/* Always push the NIC_STAT_REG setting even if the mac hasn't
+	 * changed, because this function is run post online reset */
 	falcon_read(efx, &nic_stat, NIC_STAT_REG);
 	strap_val = EFX_IS10G(efx) ? 5 : 3;
 	if (falcon_rev(efx) >= FALCON_REV_B0) {
@@ -2309,9 +2305,17 @@ int falcon_switch_mac(struct efx_nic *efx)
 		BUG_ON(EFX_OWORD_FIELD(nic_stat, STRAP_PINS) != strap_val);
 	}
 
+	if (old_mac_op == efx->mac_op)
+		goto out;
 
 	EFX_LOG(efx, "selected %cMAC\n", EFX_IS10G(efx) ? 'X' : 'G');
-	return falcon_reset_macs(efx);
+	/* Not all macs support a mac-level link state */
+	efx->mac_up = true;
+
+	rc = falcon_reset_macs(efx);
+out:
+	efx_stats_enable(efx);
+	return rc;
 }
 
 /* This call is responsible for hooking in the MAC and PHY operations */

drivers/net/sfc/mdio_10g.c

@@ -15,6 +15,7 @@
 #include "net_driver.h"
 #include "mdio_10g.h"
 #include "boards.h"
+#include "workarounds.h"
 
 int mdio_clause45_reset_mmd(struct efx_nic *port, int mmd,
 			    int spins, int spintime)
@@ -179,17 +180,12 @@ bool mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
 		return false;
 	else if (efx_phy_mode_disabled(efx->phy_mode))
 		return false;
-	else if (efx->loopback_mode == LOOPBACK_PHYXS) {
+	else if (efx->loopback_mode == LOOPBACK_PHYXS)
 		mmd_mask &= ~(MDIO_MMDREG_DEVS_PHYXS |
 			      MDIO_MMDREG_DEVS_PCS |
 			      MDIO_MMDREG_DEVS_PMAPMD |
 			      MDIO_MMDREG_DEVS_AN);
-		if (!mmd_mask) {
+	else if (efx->loopback_mode == LOOPBACK_PCS)
-			reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS,
-						 MDIO_PHYXS_STATUS2);
-			return !(reg & (1 << MDIO_PHYXS_STATUS2_RX_FAULT_LBN));
-		}
-	} else if (efx->loopback_mode == LOOPBACK_PCS)
 		mmd_mask &= ~(MDIO_MMDREG_DEVS_PCS |
 			      MDIO_MMDREG_DEVS_PMAPMD |
 			      MDIO_MMDREG_DEVS_AN);
@@ -197,6 +193,13 @@ bool mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask)
 		mmd_mask &= ~(MDIO_MMDREG_DEVS_PMAPMD |
 			      MDIO_MMDREG_DEVS_AN);
 
+	if (!mmd_mask) {
+		/* Use presence of XGMII faults in leui of link state */
+		reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS,
+					 MDIO_PHYXS_STATUS2);
+		return !(reg & (1 << MDIO_PHYXS_STATUS2_RX_FAULT_LBN));
+	}
+
 	while (mmd_mask) {
 		if (mmd_mask & 1) {
 			/* Double reads because link state is latched, and a
@@ -263,7 +266,7 @@ void mdio_clause45_set_mmds_lpower(struct efx_nic *efx,
 	}
 }
 
-static u32 mdio_clause45_get_an(struct efx_nic *efx, u16 addr, u32 xnp)
+static u32 mdio_clause45_get_an(struct efx_nic *efx, u16 addr)
 {
 	int phy_id = efx->mii.phy_id;
 	u32 result = 0;
@@ -278,9 +281,6 @@ static u32 mdio_clause45_get_an(struct efx_nic *efx, u16 addr, u32 xnp)
 		result |= ADVERTISED_100baseT_Half;
 	if (reg & ADVERTISE_100FULL)
 		result |= ADVERTISED_100baseT_Full;
-	if (reg & LPA_RESV)
-		result |= xnp;
-
 	return result;
 }
 
@@ -310,7 +310,7 @@ void mdio_clause45_get_settings(struct efx_nic *efx,
  */
 void mdio_clause45_get_settings_ext(struct efx_nic *efx,
 				    struct ethtool_cmd *ecmd,
-				    u32 xnp, u32 xnp_lpa)
+				    u32 npage_adv, u32 npage_lpa)
 {
 	int phy_id = efx->mii.phy_id;
 	int reg;
@@ -361,8 +361,8 @@ void mdio_clause45_get_settings_ext(struct efx_nic *efx,
 			ecmd->autoneg = AUTONEG_ENABLE;
 			ecmd->advertising |=
 				ADVERTISED_Autoneg |
-				mdio_clause45_get_an(efx,
+				mdio_clause45_get_an(efx, MDIO_AN_ADVERTISE) |
-						     MDIO_AN_ADVERTISE, xnp);
+				npage_adv;
 		} else
 			ecmd->autoneg = AUTONEG_DISABLE;
 	} else
@@ -371,27 +371,30 @@ void mdio_clause45_get_settings_ext(struct efx_nic *efx,
 	if (ecmd->autoneg) {
 		/* If AN is complete, report best common mode,
 		 * otherwise report best advertised mode. */
-		u32 common = ecmd->advertising;
+		u32 modes = 0;
 		if (mdio_clause45_read(efx, phy_id, MDIO_MMD_AN,
 				       MDIO_MMDREG_STAT1) &
-		    (1 << MDIO_AN_STATUS_AN_DONE_LBN)) {
+		    (1 << MDIO_AN_STATUS_AN_DONE_LBN))
-			common &= mdio_clause45_get_an(efx, MDIO_AN_LPA,
+			modes = (ecmd->advertising &
-						       xnp_lpa);
+				 (mdio_clause45_get_an(efx, MDIO_AN_LPA) |
-		}
+				  npage_lpa));
-		if (common & ADVERTISED_10000baseT_Full) {
+		if (modes == 0)
+			modes = ecmd->advertising;
+
+		if (modes & ADVERTISED_10000baseT_Full) {
 			ecmd->speed = SPEED_10000;
 			ecmd->duplex = DUPLEX_FULL;
-		} else if (common & (ADVERTISED_1000baseT_Full |
+		} else if (modes & (ADVERTISED_1000baseT_Full |
 				    ADVERTISED_1000baseT_Half)) {
 			ecmd->speed = SPEED_1000;
-			ecmd->duplex = !!(common & ADVERTISED_1000baseT_Full);
+			ecmd->duplex = !!(modes & ADVERTISED_1000baseT_Full);
-		} else if (common & (ADVERTISED_100baseT_Full |
+		} else if (modes & (ADVERTISED_100baseT_Full |
 				    ADVERTISED_100baseT_Half)) {
 			ecmd->speed = SPEED_100;
-			ecmd->duplex = !!(common & ADVERTISED_100baseT_Full);
+			ecmd->duplex = !!(modes & ADVERTISED_100baseT_Full);
 		} else {
 			ecmd->speed = SPEED_10;
-			ecmd->duplex = !!(common & ADVERTISED_10baseT_Full);
+			ecmd->duplex = !!(modes & ADVERTISED_10baseT_Full);
 		}
 	} else {
 		/* Report forced settings */
@@ -415,7 +418,7 @@ int mdio_clause45_set_settings(struct efx_nic *efx,
 	int phy_id = efx->mii.phy_id;
 	struct ethtool_cmd prev;
 	u32 required;
-	int ctrl1_bits, reg;
+	int reg;
 
 	efx->phy_op->get_settings(efx, &prev);
 
@@ -430,73 +433,32 @@ int mdio_clause45_set_settings(struct efx_nic *efx,
 	if (prev.port != PORT_TP || ecmd->port != PORT_TP)
 		return -EINVAL;
 
-	/* Check that PHY supports these settings and work out the
+	/* Check that PHY supports these settings */
-	 * basic control bits */
+	if (ecmd->autoneg) {
-	if (ecmd->duplex) {
+		required = SUPPORTED_Autoneg;
+	} else if (ecmd->duplex) {
 		switch (ecmd->speed) {
-		case SPEED_10:
+		case SPEED_10:  required = SUPPORTED_10baseT_Full;  break;
-			ctrl1_bits = BMCR_FULLDPLX;
+		case SPEED_100: required = SUPPORTED_100baseT_Full; break;
-			required = SUPPORTED_10baseT_Full;
+		default:        return -EINVAL;
-			break;
-		case SPEED_100:
-			ctrl1_bits = BMCR_SPEED100 | BMCR_FULLDPLX;
-			required = SUPPORTED_100baseT_Full;
-			break;
-		case SPEED_1000:
-			ctrl1_bits = BMCR_SPEED1000 | BMCR_FULLDPLX;
-			required = SUPPORTED_1000baseT_Full;
-			break;
-		case SPEED_10000:
-			ctrl1_bits = (BMCR_SPEED1000 | BMCR_SPEED100 |
-				      BMCR_FULLDPLX);
-			required = SUPPORTED_10000baseT_Full;
-			break;
-		default:
-			return -EINVAL;
 		}
 	} else {
 		switch (ecmd->speed) {
-		case SPEED_10:
+		case SPEED_10:  required = SUPPORTED_10baseT_Half;  break;
-			ctrl1_bits = 0;
+		case SPEED_100: required = SUPPORTED_100baseT_Half; break;
-			required = SUPPORTED_10baseT_Half;
+		default:        return -EINVAL;
-			break;
-		case SPEED_100:
-			ctrl1_bits = BMCR_SPEED100;
-			required = SUPPORTED_100baseT_Half;
-			break;
-		case SPEED_1000:
-			ctrl1_bits = BMCR_SPEED1000;
-			required = SUPPORTED_1000baseT_Half;
-			break;
-		default:
-			return -EINVAL;
 		}
 	}
-	if (ecmd->autoneg)
-		required |= SUPPORTED_Autoneg;
 	required |= ecmd->advertising;
 	if (required & ~prev.supported)
 		return -EINVAL;
 
-	/* Set the basic control bits */
-	reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
-				 MDIO_MMDREG_CTRL1);
-	reg &= ~(BMCR_SPEED1000 | BMCR_SPEED100 | BMCR_FULLDPLX | 0x003c);
-	reg |= ctrl1_bits;
-	mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, MDIO_MMDREG_CTRL1,
-			    reg);
-
-	/* Set the AN registers */
-	if (ecmd->autoneg != prev.autoneg ||
-	    ecmd->advertising != prev.advertising) {
-		bool xnp = false;
-
-		if (efx->phy_op->set_xnp_advertise)
-			xnp = efx->phy_op->set_xnp_advertise(efx,
-							     ecmd->advertising);
-
 	if (ecmd->autoneg) {
-			reg = 0;
+		bool xnp = (ecmd->advertising & ADVERTISED_10000baseT_Full
+			    || EFX_WORKAROUND_13204(efx));
+
+		/* Set up the base page */
+		reg = ADVERTISE_CSMA;
 		if (ecmd->advertising & ADVERTISED_10baseT_Half)
 			reg |= ADVERTISE_10HALF;
 		if (ecmd->advertising & ADVERTISED_10baseT_Full)
@@ -507,22 +469,47 @@ int mdio_clause45_set_settings(struct efx_nic *efx,
 			reg |= ADVERTISE_100FULL;
 		if (xnp)
 			reg |= ADVERTISE_RESV;
+		else if (ecmd->advertising & (ADVERTISED_1000baseT_Half |
+					      ADVERTISED_1000baseT_Full))
+			reg |= ADVERTISE_NPAGE;
+		reg |= efx_fc_advertise(efx->wanted_fc);
 		mdio_clause45_write(efx, phy_id, MDIO_MMD_AN,
 				    MDIO_AN_ADVERTISE, reg);
-		}
 
+		/* Set up the (extended) next page if necessary */
+		if (efx->phy_op->set_npage_adv)
+			efx->phy_op->set_npage_adv(efx, ecmd->advertising);
+
+		/* Enable and restart AN */
 		reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN,
 					 MDIO_MMDREG_CTRL1);
-		if (ecmd->autoneg)
+		reg |= BMCR_ANENABLE;
-			reg |= BMCR_ANENABLE | BMCR_ANRESTART;
+		if (!(EFX_WORKAROUND_15195(efx) &&
-		else
+		      LOOPBACK_MASK(efx) & efx->phy_op->loopbacks))
-			reg &= ~BMCR_ANENABLE;
+			reg |= BMCR_ANRESTART;
 		if (xnp)
 			reg |= 1 << MDIO_AN_CTRL_XNP_LBN;
 		else
 			reg &= ~(1 << MDIO_AN_CTRL_XNP_LBN);
 		mdio_clause45_write(efx, phy_id, MDIO_MMD_AN,
 				    MDIO_MMDREG_CTRL1, reg);
+	} else {
+		/* Disable AN */
+		mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_AN,
+				       MDIO_MMDREG_CTRL1,
+				       __ffs(BMCR_ANENABLE), false);
+
+		/* Set the basic control bits */
+		reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
+					 MDIO_MMDREG_CTRL1);
+		reg &= ~(BMCR_SPEED1000 | BMCR_SPEED100 | BMCR_FULLDPLX |
+			 0x003c);
+		if (ecmd->speed == SPEED_100)
+			reg |= BMCR_SPEED100;
+		if (ecmd->duplex)
+			reg |= BMCR_FULLDPLX;
+		mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
+				    MDIO_MMDREG_CTRL1, reg);
 	}
 
 	return 0;

drivers/net/sfc/mdio_10g.h

@@ -155,7 +155,8 @@
 #define MDIO_AN_XNP			22
 #define MDIO_AN_LPA_XNP			25
 
-#define MDIO_AN_10GBT_ADVERTISE		32
+#define MDIO_AN_10GBT_CTRL		32
+#define MDIO_AN_10GBT_CTRL_ADV_10G_LBN	12
 #define MDIO_AN_10GBT_STATUS		(33)
 #define MDIO_AN_10GBT_STATUS_MS_FLT_LBN (15) /* MASTER/SLAVE config fault */
 #define MDIO_AN_10GBT_STATUS_MS_LBN     (14) /* MASTER/SLAVE config */

drivers/net/sfc/net_driver.h

@@ -557,7 +557,7 @@ struct efx_mac_operations {
  * @poll: Poll for hardware state. Serialised by the mac_lock.
  * @get_settings: Get ethtool settings. Serialised by the mac_lock.
  * @set_settings: Set ethtool settings. Serialised by the mac_lock.
- * @set_xnp_advertise: Set abilities advertised in Extended Next Page
+ * @set_npage_adv: Set abilities advertised in (Extended) Next Page
  *	(only needed where AN bit is set in mmds)
  * @num_tests: Number of PHY-specific tests/results
  * @test_names: Names of the tests/results
@@ -577,7 +577,7 @@ struct efx_phy_operations {
 			      struct ethtool_cmd *ecmd);
 	int (*set_settings) (struct efx_nic *efx,
 			     struct ethtool_cmd *ecmd);
-	bool (*set_xnp_advertise) (struct efx_nic *efx, u32);
+	void (*set_npage_adv) (struct efx_nic *efx, u32);
 	u32 num_tests;
 	const char *const *test_names;
 	int (*run_tests) (struct efx_nic *efx, int *results, unsigned flags);
@@ -745,8 +745,7 @@ union efx_multicast_hash {
  *	&struct net_device_stats.
  * @stats_buffer: DMA buffer for statistics
  * @stats_lock: Statistics update lock. Serialises statistics fetches
- * @stats_enabled: Temporarily disable statistics fetches.
+ * @stats_disable_count: Nest count for disabling statistics fetches
- *	Serialised by @stats_lock
  * @mac_op: MAC interface
  * @mac_address: Permanent MAC address
  * @phy_type: PHY type
@@ -828,7 +827,7 @@ struct efx_nic {
 	struct efx_mac_stats mac_stats;
 	struct efx_buffer stats_buffer;
 	spinlock_t stats_lock;
-	bool stats_enabled;
+	unsigned int stats_disable_count;
 
 	struct efx_mac_operations *mac_op;
 	unsigned char mac_address[ETH_ALEN];

drivers/net/sfc/phy.h

@@ -17,7 +17,6 @@ extern struct efx_phy_operations falcon_sfx7101_phy_ops;
 extern struct efx_phy_operations falcon_sft9001_phy_ops;
 
 extern void tenxpress_phy_blink(struct efx_nic *efx, bool blink);
-extern void tenxpress_crc_err(struct efx_nic *efx);
 
 /****************************************************************************
  * Exported functions from the driver for XFP optical PHYs

drivers/net/sfc/selftest.c

@@ -665,6 +665,7 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
 {
 	enum efx_loopback_mode loopback_mode = efx->loopback_mode;
 	int phy_mode = efx->phy_mode;
+	enum reset_type reset_method = RESET_TYPE_INVISIBLE;
 	struct ethtool_cmd ecmd;
 	struct efx_channel *channel;
 	int rc_test = 0, rc_reset = 0, rc;
@@ -718,21 +719,21 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
 	mutex_unlock(&efx->mac_lock);
 
 	/* free up all consumers of SRAM (including all the queues) */
-	efx_reset_down(efx, &ecmd);
+	efx_reset_down(efx, reset_method, &ecmd);
 
 	rc = efx_test_chip(efx, tests);
 	if (rc && !rc_test)
 		rc_test = rc;
 
 	/* reset the chip to recover from the register test */
-	rc_reset = falcon_reset_hw(efx, RESET_TYPE_ALL);
+	rc_reset = falcon_reset_hw(efx, reset_method);
 
 	/* Ensure that the phy is powered and out of loopback
 	 * for the bist and loopback tests */
 	efx->phy_mode &= ~PHY_MODE_LOW_POWER;
 	efx->loopback_mode = LOOPBACK_NONE;
 
-	rc = efx_reset_up(efx, &ecmd, rc_reset == 0);
+	rc = efx_reset_up(efx, reset_method, &ecmd, rc_reset == 0);
 	if (rc && !rc_reset)
 		rc_reset = rc;
 

drivers/net/sfc/sfe4001.c

@@ -187,19 +187,22 @@ static int sfn4111t_reset(struct efx_nic *efx)
 {
 	efx_oword_t reg;
 
-	/* GPIO pins are also used for I2C, so block that temporarily */
+	/* GPIO 3 and the GPIO register are shared with I2C, so block that */
 	mutex_lock(&efx->i2c_adap.bus_lock);
 
+	/* Pull RST_N (GPIO 2) low then let it up again, setting the
+	 * FLASH_CFG_1 strap (GPIO 3) appropriately.  Only change the
+	 * output enables; the output levels should always be 0 (low)
+	 * and we rely on external pull-ups. */
 	falcon_read(efx, &reg, GPIO_CTL_REG_KER);
 	EFX_SET_OWORD_FIELD(reg, GPIO2_OEN, true);
-	EFX_SET_OWORD_FIELD(reg, GPIO2_OUT, false);
 	falcon_write(efx, &reg, GPIO_CTL_REG_KER);
 	msleep(1000);
-	EFX_SET_OWORD_FIELD(reg, GPIO2_OUT, true);
+	EFX_SET_OWORD_FIELD(reg, GPIO2_OEN, false);
-	EFX_SET_OWORD_FIELD(reg, GPIO3_OEN, true);
+	EFX_SET_OWORD_FIELD(reg, GPIO3_OEN,
-	EFX_SET_OWORD_FIELD(reg, GPIO3_OUT,
+			    !!(efx->phy_mode & PHY_MODE_SPECIAL));
-			    !(efx->phy_mode & PHY_MODE_SPECIAL));
 	falcon_write(efx, &reg, GPIO_CTL_REG_KER);
+	msleep(1);
 
 	mutex_unlock(&efx->i2c_adap.bus_lock);
 
@@ -233,12 +236,18 @@ static ssize_t set_phy_flash_cfg(struct device *dev,
 	} else if (efx->state != STATE_RUNNING || netif_running(efx->net_dev)) {
 		err = -EBUSY;
 	} else {
+		/* Reset the PHY, reconfigure the MAC and enable/disable
+		 * MAC stats accordingly. */
 		efx->phy_mode = new_mode;
+		if (new_mode & PHY_MODE_SPECIAL)
+			efx_stats_disable(efx);
 		if (efx->board_info.type == EFX_BOARD_SFE4001)
 			err = sfe4001_poweron(efx);
 		else
 			err = sfn4111t_reset(efx);
 		efx_reconfigure_port(efx);
+		if (!(new_mode & PHY_MODE_SPECIAL))
+			efx_stats_enable(efx);
 	}
 	rtnl_unlock();
 
@@ -327,6 +336,11 @@ int sfe4001_init(struct efx_nic *efx)
 	efx->board_info.monitor = sfe4001_check_hw;
 	efx->board_info.fini = sfe4001_fini;
 
+	if (efx->phy_mode & PHY_MODE_SPECIAL) {
+		/* PHY won't generate a 156.25 MHz clock and MAC stats fetch
+		 * will fail. */
+		efx_stats_disable(efx);
+	}
 	rc = sfe4001_poweron(efx);
 	if (rc)
 		goto fail_ioexp;
@@ -373,17 +387,25 @@ static void sfn4111t_fini(struct efx_nic *efx)
 	i2c_unregister_device(efx->board_info.hwmon_client);
 }
 
-static struct i2c_board_info sfn4111t_hwmon_info = {
+static struct i2c_board_info sfn4111t_a0_hwmon_info = {
 	I2C_BOARD_INFO("max6647", 0x4e),
 	.irq		= -1,
 };
 
+static struct i2c_board_info sfn4111t_r5_hwmon_info = {
+	I2C_BOARD_INFO("max6646", 0x4d),
+	.irq		= -1,
+};
+
 int sfn4111t_init(struct efx_nic *efx)
 {
 	int rc;
 
 	efx->board_info.hwmon_client =
-		i2c_new_device(&efx->i2c_adap, &sfn4111t_hwmon_info);
+		i2c_new_device(&efx->i2c_adap,
+			       (efx->board_info.minor < 5) ?
+			       &sfn4111t_a0_hwmon_info :
+			       &sfn4111t_r5_hwmon_info);
 	if (!efx->board_info.hwmon_client)
 		return -EIO;
 
@@ -395,8 +417,10 @@ int sfn4111t_init(struct efx_nic *efx)
 	if (rc)
 		goto fail_hwmon;
 
-	if (efx->phy_mode & PHY_MODE_SPECIAL)
+	if (efx->phy_mode & PHY_MODE_SPECIAL) {
+		efx_stats_disable(efx);
 		sfn4111t_reset(efx);
+	}
 
 	return 0;
 

drivers/net/sfc/tenxpress.c

@@ -68,6 +68,8 @@
 #define PMA_PMD_EXT_CLK312_WIDTH 1
 #define PMA_PMD_EXT_LPOWER_LBN  12
 #define PMA_PMD_EXT_LPOWER_WIDTH 1
+#define PMA_PMD_EXT_ROBUST_LBN	14
+#define PMA_PMD_EXT_ROBUST_WIDTH 1
 #define PMA_PMD_EXT_SSR_LBN	15
 #define PMA_PMD_EXT_SSR_WIDTH	1
 
@@ -178,35 +180,24 @@
 #define C22EXT_STATUS_LINK_LBN  2
 #define C22EXT_STATUS_LINK_WIDTH 1
 
-#define C22EXT_MSTSLV_REG       49162
+#define C22EXT_MSTSLV_CTRL			49161
-#define C22EXT_MSTSLV_1000_HD_LBN 10
+#define C22EXT_MSTSLV_CTRL_ADV_1000_HD_LBN	8
-#define C22EXT_MSTSLV_1000_HD_WIDTH 1
+#define C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN	9
-#define C22EXT_MSTSLV_1000_FD_LBN 11
+
-#define C22EXT_MSTSLV_1000_FD_WIDTH 1
+#define C22EXT_MSTSLV_STATUS			49162
+#define C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN	10
+#define C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN	11
 
 /* Time to wait between powering down the LNPGA and turning off the power
  * rails */
 #define LNPGA_PDOWN_WAIT	(HZ / 5)
 
-static int crc_error_reset_threshold = 100;
-module_param(crc_error_reset_threshold, int, 0644);
-MODULE_PARM_DESC(crc_error_reset_threshold,
-		 "Max number of CRC errors before XAUI reset");
-
 struct tenxpress_phy_data {
 	enum efx_loopback_mode loopback_mode;
-	atomic_t bad_crc_count;
 	enum efx_phy_mode phy_mode;
 	int bad_lp_tries;
 };
 
-void tenxpress_crc_err(struct efx_nic *efx)
-{
-	struct tenxpress_phy_data *phy_data = efx->phy_data;
-	if (phy_data != NULL)
-		atomic_inc(&phy_data->bad_crc_count);
-}
-
 static ssize_t show_phy_short_reach(struct device *dev,
 				    struct device_attribute *attr, char *buf)
 {
@@ -285,7 +276,9 @@ static int tenxpress_init(struct efx_nic *efx)
 					 PMA_PMD_XCONTROL_REG);
 		reg |= ((1 << PMA_PMD_EXT_GMII_EN_LBN) |
 			(1 << PMA_PMD_EXT_CLK_OUT_LBN) |
-			(1 << PMA_PMD_EXT_CLK312_LBN));
+			(1 << PMA_PMD_EXT_CLK312_LBN) |
+			(1 << PMA_PMD_EXT_ROBUST_LBN));
+
 		mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
 				    PMA_PMD_XCONTROL_REG, reg);
 		mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT,
@@ -347,6 +340,7 @@ static int tenxpress_phy_init(struct efx_nic *efx)
 	rc = tenxpress_init(efx);
 	if (rc < 0)
 		goto fail;
+	mdio_clause45_set_pause(efx);
 
 	if (efx->phy_type == PHY_TYPE_SFT9001B) {
 		rc = device_create_file(&efx->pci_dev->dev,
@@ -377,8 +371,8 @@ static int tenxpress_special_reset(struct efx_nic *efx)
 
 	/* The XGMAC clock is driven from the SFC7101/SFT9001 312MHz clock, so
 	 * a special software reset can glitch the XGMAC sufficiently for stats
-	 * requests to fail. Since we don't often special_reset, just lock. */
+	 * requests to fail. */
-	spin_lock(&efx->stats_lock);
+	efx_stats_disable(efx);
 
 	/* Initiate reset */
 	reg = mdio_clause45_read(efx, efx->mii.phy_id,
@@ -393,17 +387,17 @@ static int tenxpress_special_reset(struct efx_nic *efx)
 	rc = mdio_clause45_wait_reset_mmds(efx,
 					   TENXPRESS_REQUIRED_DEVS);
 	if (rc < 0)
-		goto unlock;
+		goto out;
 
 	/* Try and reconfigure the device */
 	rc = tenxpress_init(efx);
 	if (rc < 0)
-		goto unlock;
+		goto out;
 
 	/* Wait for the XGXS state machine to churn */
 	mdelay(10);
-unlock:
+out:
-	spin_unlock(&efx->stats_lock);
+	efx_stats_enable(efx);
 	return rc;
 }
 
@@ -521,7 +515,7 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx)
 {
 	struct tenxpress_phy_data *phy_data = efx->phy_data;
 	struct ethtool_cmd ecmd;
-	bool phy_mode_change, loop_reset, loop_toggle, loopback;
+	bool phy_mode_change, loop_reset;
 
 	if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) {
 		phy_data->phy_mode = efx->phy_mode;
@@ -532,12 +526,10 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx)
 
 	phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL &&
 			   phy_data->phy_mode != PHY_MODE_NORMAL);
-	loopback = LOOPBACK_MASK(efx) & efx->phy_op->loopbacks;
-	loop_toggle = LOOPBACK_CHANGED(phy_data, efx, efx->phy_op->loopbacks);
 	loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, efx->phy_op->loopbacks) ||
 		      LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY));
 
-	if (loop_reset || loop_toggle || loopback || phy_mode_change) {
+	if (loop_reset || phy_mode_change) {
 		int rc;
 
 		efx->phy_op->get_settings(efx, &ecmd);
@@ -552,20 +544,6 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx)
 				falcon_reset_xaui(efx);
 		}
 
-		if (efx->phy_type != PHY_TYPE_SFX7101) {
-			/* Only change autoneg once, on coming out or
-			 * going into loopback */
-			if (loop_toggle)
-				ecmd.autoneg = !loopback;
-			if (loopback) {
-				ecmd.duplex = DUPLEX_FULL;
-				if (efx->loopback_mode == LOOPBACK_GPHY)
-					ecmd.speed = SPEED_1000;
-				else
-					ecmd.speed = SPEED_10000;
-			}
-		}
-
 		rc = efx->phy_op->set_settings(efx, &ecmd);
 		WARN_ON(rc);
 	}
@@ -624,13 +602,6 @@ static void tenxpress_phy_poll(struct efx_nic *efx)
 
 	if (phy_data->phy_mode != PHY_MODE_NORMAL)
 		return;
-
-	if (EFX_WORKAROUND_10750(efx) &&
-	    atomic_read(&phy_data->bad_crc_count) > crc_error_reset_threshold) {
-		EFX_ERR(efx, "Resetting XAUI due to too many CRC errors\n");
-		falcon_reset_xaui(efx);
-		atomic_set(&phy_data->bad_crc_count, 0);
-	}
 }
 
 static void tenxpress_phy_fini(struct efx_nic *efx)
@@ -773,107 +744,76 @@ reset:
 	return rc;
 }
 
-static u32 tenxpress_get_xnp_lpa(struct efx_nic *efx)
+static void
+tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
 {
-	int phy = efx->mii.phy_id;
+	int phy_id = efx->mii.phy_id;
-	u32 lpa = 0;
+	u32 adv = 0, lpa = 0;
 	int reg;
 
 	if (efx->phy_type != PHY_TYPE_SFX7101) {
-		reg = mdio_clause45_read(efx, phy, MDIO_MMD_C22EXT,
+		reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT,
-					 C22EXT_MSTSLV_REG);
+					 C22EXT_MSTSLV_CTRL);
-		if (reg & (1 << C22EXT_MSTSLV_1000_HD_LBN))
+		if (reg & (1 << C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN))
+			adv |= ADVERTISED_1000baseT_Full;
+		reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT,
+					 C22EXT_MSTSLV_STATUS);
+		if (reg & (1 << C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN))
 			lpa |= ADVERTISED_1000baseT_Half;
-		if (reg & (1 << C22EXT_MSTSLV_1000_FD_LBN))
+		if (reg & (1 << C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN))
 			lpa |= ADVERTISED_1000baseT_Full;
 	}
-	reg = mdio_clause45_read(efx, phy, MDIO_MMD_AN, MDIO_AN_10GBT_STATUS);
+	reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN,
+				 MDIO_AN_10GBT_CTRL);
+	if (reg & (1 << MDIO_AN_10GBT_CTRL_ADV_10G_LBN))
+		adv |= ADVERTISED_10000baseT_Full;
+	reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN,
+				 MDIO_AN_10GBT_STATUS);
 	if (reg & (1 << MDIO_AN_10GBT_STATUS_LP_10G_LBN))
 		lpa |= ADVERTISED_10000baseT_Full;
-	return lpa;
-}
 
-static void sfx7101_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+	mdio_clause45_get_settings_ext(efx, ecmd, adv, lpa);
-{
-	mdio_clause45_get_settings_ext(efx, ecmd, ADVERTISED_10000baseT_Full,
-				       tenxpress_get_xnp_lpa(efx));
-	ecmd->supported |= SUPPORTED_10000baseT_Full;
-	ecmd->advertising |= ADVERTISED_10000baseT_Full;
-}
 
-static void sft9001_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+	if (efx->phy_type != PHY_TYPE_SFX7101)
-{
+		ecmd->supported |= (SUPPORTED_100baseT_Full |
-	int phy_id = efx->mii.phy_id;
-	u32 xnp_adv = 0;
-	int reg;
-
-	reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
-				 PMA_PMD_SPEED_ENABLE_REG);
-	if (EFX_WORKAROUND_13204(efx) && (reg & (1 << PMA_PMD_100TX_ADV_LBN)))
-		xnp_adv |= ADVERTISED_100baseT_Full;
-	if (reg & (1 << PMA_PMD_1000T_ADV_LBN))
-		xnp_adv |= ADVERTISED_1000baseT_Full;
-	if (reg & (1 << PMA_PMD_10000T_ADV_LBN))
-		xnp_adv |= ADVERTISED_10000baseT_Full;
-
-	mdio_clause45_get_settings_ext(efx, ecmd, xnp_adv,
-				       tenxpress_get_xnp_lpa(efx));
-
-	ecmd->supported |= (SUPPORTED_100baseT_Half |
-			    SUPPORTED_100baseT_Full |
 				    SUPPORTED_1000baseT_Full);
 
-	/* Use the vendor defined C22ext register for duplex settings */
+	/* In loopback, the PHY automatically brings up the correct interface,
-	if (ecmd->speed != SPEED_10000 && !ecmd->autoneg) {
+	 * but doesn't advertise the correct speed. So override it */
-		reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT,
+	if (efx->loopback_mode == LOOPBACK_GPHY)
-					 GPHY_XCONTROL_REG);
+		ecmd->speed = SPEED_1000;
-		ecmd->duplex = (reg & (1 << GPHY_DUPLEX_LBN) ?
+	else if (LOOPBACK_MASK(efx) & efx->phy_op->loopbacks)
-				DUPLEX_FULL : DUPLEX_HALF);
+		ecmd->speed = SPEED_10000;
-	}
 }
 
-static int sft9001_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+static int tenxpress_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
+{
+	if (!ecmd->autoneg)
+		return -EINVAL;
+
+	return mdio_clause45_set_settings(efx, ecmd);
+}
+
+static void sfx7101_set_npage_adv(struct efx_nic *efx, u32 advertising)
+{
+	mdio_clause45_set_flag(efx, efx->mii.phy_id, MDIO_MMD_AN,
+			       MDIO_AN_10GBT_CTRL,
+			       MDIO_AN_10GBT_CTRL_ADV_10G_LBN,
+			       advertising & ADVERTISED_10000baseT_Full);
+}
+
+static void sft9001_set_npage_adv(struct efx_nic *efx, u32 advertising)
 {
 	int phy_id = efx->mii.phy_id;
-	int rc;
 
-	rc = mdio_clause45_set_settings(efx, ecmd);
-	if (rc)
-		return rc;
-
-	if (ecmd->speed != SPEED_10000 && !ecmd->autoneg)
 	mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT,
-				       GPHY_XCONTROL_REG, GPHY_DUPLEX_LBN,
+			       C22EXT_MSTSLV_CTRL,
-				       ecmd->duplex == DUPLEX_FULL);
+			       C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN,
-
+			       advertising & ADVERTISED_1000baseT_Full);
-	return rc;
+	mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_AN,
-}
+			       MDIO_AN_10GBT_CTRL,
-
+			       MDIO_AN_10GBT_CTRL_ADV_10G_LBN,
-static bool sft9001_set_xnp_advertise(struct efx_nic *efx, u32 advertising)
+			       advertising & ADVERTISED_10000baseT_Full);
-{
-	int phy = efx->mii.phy_id;
-	int reg = mdio_clause45_read(efx, phy, MDIO_MMD_PMAPMD,
-				     PMA_PMD_SPEED_ENABLE_REG);
-	bool enabled;
-
-	reg &= ~((1 << 2) | (1 << 3));
-	if (EFX_WORKAROUND_13204(efx) &&
-	    (advertising & ADVERTISED_100baseT_Full))
-		reg |= 1 << PMA_PMD_100TX_ADV_LBN;
-	if (advertising & ADVERTISED_1000baseT_Full)
-		reg |= 1 << PMA_PMD_1000T_ADV_LBN;
-	if (advertising & ADVERTISED_10000baseT_Full)
-		reg |= 1 << PMA_PMD_10000T_ADV_LBN;
-	mdio_clause45_write(efx, phy, MDIO_MMD_PMAPMD,
-			    PMA_PMD_SPEED_ENABLE_REG, reg);
-
-	enabled = (advertising &
-		   (ADVERTISED_1000baseT_Half |
-		    ADVERTISED_1000baseT_Full |
-		    ADVERTISED_10000baseT_Full));
-	if (EFX_WORKAROUND_13204(efx))
-		enabled |= (advertising & ADVERTISED_100baseT_Full);
-	return enabled;
 }
 
 struct efx_phy_operations falcon_sfx7101_phy_ops = {
@@ -883,8 +823,9 @@ struct efx_phy_operations falcon_sfx7101_phy_ops = {
 	.poll             = tenxpress_phy_poll,
 	.fini             = tenxpress_phy_fini,
 	.clear_interrupt  = efx_port_dummy_op_void,
-	.get_settings	  = sfx7101_get_settings,
+	.get_settings	  = tenxpress_get_settings,
-	.set_settings	  = mdio_clause45_set_settings,
+	.set_settings	  = tenxpress_set_settings,
+	.set_npage_adv    = sfx7101_set_npage_adv,
 	.num_tests	  = ARRAY_SIZE(sfx7101_test_names),
 	.test_names	  = sfx7101_test_names,
 	.run_tests	  = sfx7101_run_tests,
@@ -899,9 +840,9 @@ struct efx_phy_operations falcon_sft9001_phy_ops = {
 	.poll             = tenxpress_phy_poll,
 	.fini             = tenxpress_phy_fini,
 	.clear_interrupt  = efx_port_dummy_op_void,
-	.get_settings	  = sft9001_get_settings,
+	.get_settings	  = tenxpress_get_settings,
-	.set_settings	  = sft9001_set_settings,
+	.set_settings	  = tenxpress_set_settings,
-	.set_xnp_advertise = sft9001_set_xnp_advertise,
+	.set_npage_adv    = sft9001_set_npage_adv,
 	.num_tests	  = ARRAY_SIZE(sft9001_test_names),
 	.test_names	  = sft9001_test_names,
 	.run_tests	  = sft9001_run_tests,

drivers/net/sfc/workarounds.h

@@ -18,8 +18,8 @@
 #define EFX_WORKAROUND_ALWAYS(efx) 1
 #define EFX_WORKAROUND_FALCON_A(efx) (falcon_rev(efx) <= FALCON_REV_A1)
 #define EFX_WORKAROUND_10G(efx) EFX_IS10G(efx)
-#define EFX_WORKAROUND_SFX7101(efx) ((efx)->phy_type == PHY_TYPE_SFX7101)
+#define EFX_WORKAROUND_SFT9001(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A || \
-#define EFX_WORKAROUND_SFT9001A(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A)
+				     (efx)->phy_type == PHY_TYPE_SFT9001B)
 
 /* XAUI resets if link not detected */
 #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS
@@ -29,8 +29,6 @@
 #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G
 /* TX pkt parser problem with <= 16 byte TXes */
 #define EFX_WORKAROUND_9141 EFX_WORKAROUND_ALWAYS
-/* Low rate CRC errors require XAUI reset */
-#define EFX_WORKAROUND_10750 EFX_WORKAROUND_SFX7101
 /* TX_EV_PKT_ERR can be caused by a dangling TX descriptor
  * or a PCIe error (bug 11028) */
 #define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS
@@ -55,8 +53,8 @@
 #define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A
 
 /* Need to send XNP pages for 100BaseT */
-#define EFX_WORKAROUND_13204 EFX_WORKAROUND_SFT9001A
+#define EFX_WORKAROUND_13204 EFX_WORKAROUND_SFT9001
-/* Need to keep AN enabled */
+/* Don't restart AN in near-side loopback */
-#define EFX_WORKAROUND_13963 EFX_WORKAROUND_SFT9001A
+#define EFX_WORKAROUND_15195 EFX_WORKAROUND_SFT9001
 
 #endif /* EFX_WORKAROUNDS_H */

drivers/net/skfp/skfddi.c

@@ -1003,9 +1003,9 @@ static int skfp_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 		break;
 	case SKFP_CLR_STATS:	/* Zero out the driver statistics */
 		if (!capable(CAP_NET_ADMIN)) {
-			memset(&lp->MacStat, 0, sizeof(lp->MacStat));
-		} else {
 			status = -EPERM;
+		} else {
+			memset(&lp->MacStat, 0, sizeof(lp->MacStat));
 		}
 		break;
 	default:

drivers/net/sky2.c

@@ -1403,9 +1403,6 @@ static int sky2_up(struct net_device *dev)
 
  	}
 
-	if (netif_msg_ifup(sky2))
-		printk(KERN_INFO PFX "%s: enabling interface\n", dev->name);
-
 	netif_carrier_off(dev);
 
 	/* must be power of 2 */
@@ -1484,6 +1481,9 @@ static int sky2_up(struct net_device *dev)
 	sky2_write32(hw, B0_IMSK, imask);
 
 	sky2_set_multicast(dev);
+
+	if (netif_msg_ifup(sky2))
+		printk(KERN_INFO PFX "%s: enabling interface\n", dev->name);
 	return 0;
 
 err_out:

drivers/net/smsc911x.c

@@ -954,7 +954,7 @@ smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktbytes)
 		do {
 			udelay(1);
 			val = smsc911x_reg_read(pdata, RX_DP_CTRL);
-		} while (timeout-- && (val & RX_DP_CTRL_RX_FFWD_));
+		} while (--timeout && (val & RX_DP_CTRL_RX_FFWD_));
 
 		if (unlikely(timeout == 0))
 			SMSC_WARNING(HW, "Timed out waiting for "

drivers/net/smsc9420.c

@@ -1378,6 +1378,7 @@ static int smsc9420_open(struct net_device *dev)
 
 	/* test the IRQ connection to the ISR */
 	smsc_dbg(IFUP, "Testing ISR using IRQ %d", dev->irq);
+	pd->software_irq_signal = false;
 
 	spin_lock_irqsave(&pd->int_lock, flags);
 	/* configure interrupt deassertion timer and enable interrupts */
@@ -1393,8 +1394,6 @@ static int smsc9420_open(struct net_device *dev)
 	smsc9420_pci_flush_write(pd);
 
 	timeout = 1000;
-	pd->software_irq_signal = false;
-	smp_wmb();
 	while (timeout--) {
 		if (pd->software_irq_signal)
 			break;

drivers/net/tulip/21142.c

@@ -9,6 +9,11 @@
 
 	Please refer to Documentation/DocBook/tulip-user.{pdf,ps,html}
 	for more information on this driver.
+
+	DC21143 manual "21143 PCI/CardBus 10/100Mb/s Ethernet LAN Controller
+	Hardware Reference Manual" is currently available at :
+	http://developer.intel.com/design/network/manuals/278074.htm
+
 	Please submit bugs to http://bugzilla.kernel.org/ .
 */
 
@@ -32,7 +37,11 @@ void t21142_media_task(struct work_struct *work)
 	int csr12 = ioread32(ioaddr + CSR12);
 	int next_tick = 60*HZ;
 	int new_csr6 = 0;
+	int csr14 = ioread32(ioaddr + CSR14);
 
+	/* CSR12[LS10,LS100] are not reliable during autonegotiation */
+	if ((csr14 & 0x80) && (csr12 & 0x7000) != 0x5000)
+		csr12 |= 6;
 	if (tulip_debug > 2)
 		printk(KERN_INFO"%s: 21143 negotiation status %8.8x, %s.\n",
 			   dev->name, csr12, medianame[dev->if_port]);
@@ -76,7 +85,7 @@ void t21142_media_task(struct work_struct *work)
 			new_csr6 = 0x83860000;
 			dev->if_port = 3;
 			iowrite32(0, ioaddr + CSR13);
-			iowrite32(0x0003FF7F, ioaddr + CSR14);
+			iowrite32(0x0003FFFF, ioaddr + CSR14);
 			iowrite16(8, ioaddr + CSR15);
 			iowrite32(1, ioaddr + CSR13);
 		}
@@ -132,10 +141,14 @@ void t21142_lnk_change(struct net_device *dev, int csr5)
 	struct tulip_private *tp = netdev_priv(dev);
 	void __iomem *ioaddr = tp->base_addr;
 	int csr12 = ioread32(ioaddr + CSR12);
+	int csr14 = ioread32(ioaddr + CSR14);
 
+	/* CSR12[LS10,LS100] are not reliable during autonegotiation */
+	if ((csr14 & 0x80) && (csr12 & 0x7000) != 0x5000)
+		csr12 |= 6;
 	if (tulip_debug > 1)
 		printk(KERN_INFO"%s: 21143 link status interrupt %8.8x, CSR5 %x, "
-			   "%8.8x.\n", dev->name, csr12, csr5, ioread32(ioaddr + CSR14));
+			   "%8.8x.\n", dev->name, csr12, csr5, csr14);
 
 	/* If NWay finished and we have a negotiated partner capability. */
 	if (tp->nway  &&  !tp->nwayset  &&  (csr12 & 0x7000) == 0x5000) {
@@ -143,7 +156,9 @@ void t21142_lnk_change(struct net_device *dev, int csr5)
 		int negotiated = tp->sym_advertise & (csr12 >> 16);
 		tp->lpar = csr12 >> 16;
 		tp->nwayset = 1;
-		if (negotiated & 0x0100)		dev->if_port = 5;
+		/* If partner cannot negotiate, it is 10Mbps Half Duplex */
+		if (!(csr12 & 0x8000))		dev->if_port = 0;
+		else if (negotiated & 0x0100)	dev->if_port = 5;
 		else if (negotiated & 0x0080)	dev->if_port = 3;
 		else if (negotiated & 0x0040)	dev->if_port = 4;
 		else if (negotiated & 0x0020)	dev->if_port = 0;
@@ -214,7 +229,7 @@ void t21142_lnk_change(struct net_device *dev, int csr5)
 			tp->timer.expires = RUN_AT(3*HZ);
 			add_timer(&tp->timer);
 		} else if (dev->if_port == 5)
-			iowrite32(ioread32(ioaddr + CSR14) & ~0x080, ioaddr + CSR14);
+			iowrite32(csr14 & ~0x080, ioaddr + CSR14);
 	} else if (dev->if_port == 0  ||  dev->if_port == 4) {
 		if ((csr12 & 4) == 0)
 			printk(KERN_INFO"%s: 21143 10baseT link beat good.\n",

drivers/net/ucc_geth.c

@@ -1536,6 +1536,11 @@ static void adjust_link(struct net_device *dev)
 static int init_phy(struct net_device *dev)
 {
 	struct ucc_geth_private *priv = netdev_priv(dev);
+	struct device_node *np = priv->node;
+	struct device_node *phy, *mdio;
+	const phandle *ph;
+	char bus_name[MII_BUS_ID_SIZE];
+	const unsigned int *id;
 	struct phy_device *phydev;
 	char phy_id[BUS_ID_SIZE];
 
@@ -1543,8 +1548,18 @@ static int init_phy(struct net_device *dev)
 	priv->oldspeed = 0;
 	priv->oldduplex = -1;
 
-	snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, priv->ug_info->mdio_bus,
+	ph = of_get_property(np, "phy-handle", NULL);
-		 priv->ug_info->phy_address);
+	phy = of_find_node_by_phandle(*ph);
+	mdio = of_get_parent(phy);
+
+	id = of_get_property(phy, "reg", NULL);
+
+	of_node_put(phy);
+	of_node_put(mdio);
+
+	uec_mdio_bus_name(bus_name, mdio);
+	snprintf(phy_id, sizeof(phy_id), "%s:%02x",
+                                bus_name, *id);
 
 	phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface);
 
@@ -3748,6 +3763,7 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma
 
 	ugeth->ug_info = ug_info;
 	ugeth->dev = dev;
+	ugeth->node = np;
 
 	return 0;
 }

drivers/net/ucc_geth.h

@@ -1186,6 +1186,8 @@ struct ucc_geth_private {
 	int oldspeed;
 	int oldduplex;
 	int oldlink;
+
+	struct device_node *node;
 };
 
 void uec_set_ethtool_ops(struct net_device *netdev);

drivers/net/ucc_geth_mii.c

@@ -156,7 +156,7 @@ static int uec_mdio_probe(struct of_device *ofdev, const struct of_device_id *ma
 	if (err)
 		goto reg_map_fail;
 
-	snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", res.start);
+	uec_mdio_bus_name(new_bus->id, np);
 
 	new_bus->irq = kmalloc(32 * sizeof(int), GFP_KERNEL);
 
@@ -283,3 +283,13 @@ void uec_mdio_exit(void)
 {
 	of_unregister_platform_driver(&uec_mdio_driver);
 }
+
+void uec_mdio_bus_name(char *name, struct device_node *np)
+{
+        const u32 *reg;
+
+        reg = of_get_property(np, "reg", NULL);
+
+        snprintf(name, MII_BUS_ID_SIZE, "%s@%x", np->name, reg ? *reg : 0);
+}
+

drivers/net/ucc_geth_mii.h

@@ -97,4 +97,5 @@ int uec_mdio_read(struct mii_bus *bus, int mii_id, int regnum);
 int uec_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value);
 int __init uec_mdio_init(void);
 void uec_mdio_exit(void);
+void uec_mdio_bus_name(char *name, struct device_node *np);
 #endif				/* __UEC_MII_H */

drivers/net/virtio_net.c

@@ -288,7 +288,7 @@ static void try_fill_recv_maxbufs(struct virtnet_info *vi)
 		skb_put(skb, MAX_PACKET_LEN);
 
 		hdr = skb_vnet_hdr(skb);
-		sg_init_one(sg, hdr, sizeof(*hdr));
+		sg_set_buf(sg, hdr, sizeof(*hdr));
 
 		if (vi->big_packets) {
 			for (i = 0; i < MAX_SKB_FRAGS; i++) {
@@ -489,9 +489,9 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb)
 
 	/* Encode metadata header at front. */
 	if (vi->mergeable_rx_bufs)
-		sg_init_one(sg, mhdr, sizeof(*mhdr));
+		sg_set_buf(sg, mhdr, sizeof(*mhdr));
 	else
-		sg_init_one(sg, hdr, sizeof(*hdr));
+		sg_set_buf(sg, hdr, sizeof(*hdr));
 
 	num = skb_to_sgvec(skb, sg+1, 0, skb->len) + 1;
 

drivers/net/wimax/i2400m/debugfs.c

@@ -234,20 +234,6 @@ struct dentry *debugfs_create_i2400m_reset(
 				   &fops_i2400m_reset);
 }
 
-/*
- * Debug levels control; see debug.h
- */
-struct d_level D_LEVEL[] = {
-	D_SUBMODULE_DEFINE(control),
-	D_SUBMODULE_DEFINE(driver),
-	D_SUBMODULE_DEFINE(debugfs),
-	D_SUBMODULE_DEFINE(fw),
-	D_SUBMODULE_DEFINE(netdev),
-	D_SUBMODULE_DEFINE(rfkill),
-	D_SUBMODULE_DEFINE(rx),
-	D_SUBMODULE_DEFINE(tx),
-};
-size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
 
 #define __debugfs_register(prefix, name, parent)			\
 do {									\

drivers/net/wimax/i2400m/driver.c

@@ -707,6 +707,22 @@ void i2400m_release(struct i2400m *i2400m)
 EXPORT_SYMBOL_GPL(i2400m_release);
 
 
+/*
+ * Debug levels control; see debug.h
+ */
+struct d_level D_LEVEL[] = {
+	D_SUBMODULE_DEFINE(control),
+	D_SUBMODULE_DEFINE(driver),
+	D_SUBMODULE_DEFINE(debugfs),
+	D_SUBMODULE_DEFINE(fw),
+	D_SUBMODULE_DEFINE(netdev),
+	D_SUBMODULE_DEFINE(rfkill),
+	D_SUBMODULE_DEFINE(rx),
+	D_SUBMODULE_DEFINE(tx),
+};
+size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
+
+
 static
 int __init i2400m_driver_init(void)
 {

drivers/net/wireless/ath5k/base.c

@@ -1028,6 +1028,8 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
  * it's done by reseting the chip.  To accomplish this we must
  * first cleanup any pending DMA, then restart stuff after a la
  * ath5k_init.
+ *
+ * Called with sc->lock.
  */
 static int
 ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
@@ -2814,11 +2816,17 @@ ath5k_config(struct ieee80211_hw *hw, u32 changed)
 {
 	struct ath5k_softc *sc = hw->priv;
 	struct ieee80211_conf *conf = &hw->conf;
+	int ret;
+
+	mutex_lock(&sc->lock);
 
 	sc->bintval = conf->beacon_int;
 	sc->power_level = conf->power_level;
 
-	return ath5k_chan_set(sc, conf->channel);
+	ret = ath5k_chan_set(sc, conf->channel);
+
+	mutex_unlock(&sc->lock);
+	return ret;
 }
 
 static int

drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -1719,6 +1719,10 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 	priv->ucode_data_backup.len = data_size;
 	iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data_backup);
 
+	if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr ||
+	    !priv->ucode_data_backup.v_addr)
+		goto err_pci_alloc;
+
 	/* Initialization instructions and data */
 	if (init_size && init_data_size) {
 		priv->ucode_init.len = init_size;

drivers/net/wireless/rtl818x/rtl8187_rtl8225.c

@@ -285,7 +285,10 @@ static void rtl8225_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
 	ofdm_power = priv->channels[channel - 1].hw_value >> 4;
 
 	cck_power = min(cck_power, (u8)11);
-	ofdm_power = min(ofdm_power, (u8)35);
+	if (ofdm_power > (u8)15)
+		ofdm_power = 25;
+	else
+		ofdm_power += 10;
 
 	rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK,
 			 rtl8225_tx_gain_cck_ofdm[cck_power / 6] >> 1);
@@ -536,7 +539,10 @@ static void rtl8225z2_rf_set_tx_power(struct ieee80211_hw *dev, int channel)
 	cck_power += priv->txpwr_base & 0xF;
 	cck_power = min(cck_power, (u8)35);
 
-	ofdm_power = min(ofdm_power, (u8)15);
+	if (ofdm_power > (u8)15)
+		ofdm_power = 25;
+	else
+		ofdm_power += 10;
 	ofdm_power += priv->txpwr_base >> 4;
 	ofdm_power = min(ofdm_power, (u8)35);
 

fs/compat_ioctl.c

@@ -538,6 +538,7 @@ static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
 		 * cannot be fixed without breaking all existing apps.
 		 */
 		case TUNSETIFF:
+		case TUNGETIFF:
 		case SIOCGIFFLAGS:
 		case SIOCGIFMETRIC:
 		case SIOCGIFMTU:
@@ -1982,6 +1983,11 @@ COMPATIBLE_IOCTL(TUNSETNOCSUM)
 COMPATIBLE_IOCTL(TUNSETDEBUG)
 COMPATIBLE_IOCTL(TUNSETPERSIST)
 COMPATIBLE_IOCTL(TUNSETOWNER)
+COMPATIBLE_IOCTL(TUNSETLINK)
+COMPATIBLE_IOCTL(TUNSETGROUP)
+COMPATIBLE_IOCTL(TUNGETFEATURES)
+COMPATIBLE_IOCTL(TUNSETOFFLOAD)
+COMPATIBLE_IOCTL(TUNSETTXFILTER)
 /* Big V */
 COMPATIBLE_IOCTL(VT_SETMODE)
 COMPATIBLE_IOCTL(VT_GETMODE)
@@ -2573,6 +2579,7 @@ HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
 HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
 HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
 HANDLE_IOCTL(TUNSETIFF, dev_ifsioc)
+HANDLE_IOCTL(TUNGETIFF, dev_ifsioc)
 HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
 HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
 HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)

include/net/inet_hashtables.h

@@ -183,7 +183,7 @@ static inline int inet_ehash_locks_alloc(struct inet_hashinfo *hashinfo)
 		size = 2048;
 	if (nr_pcpus >= 32)
 		size = 4096;
-	if (sizeof(rwlock_t) != 0) {
+	if (sizeof(spinlock_t) != 0) {
 #ifdef CONFIG_NUMA
 		if (size * sizeof(spinlock_t) > PAGE_SIZE)
 			hashinfo->ehash_locks = vmalloc(size * sizeof(spinlock_t));

net/core/skbuff.c

@@ -2212,10 +2212,10 @@ unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
 		return 0;
 
 next_skb:
-	block_limit = skb_headlen(st->cur_skb);
+	block_limit = skb_headlen(st->cur_skb) + st->stepped_offset;
 
 	if (abs_offset < block_limit) {
-		*data = st->cur_skb->data + abs_offset;
+		*data = st->cur_skb->data + (abs_offset - st->stepped_offset);
 		return block_limit - abs_offset;
 	}
 
@@ -2250,13 +2250,14 @@ next_skb:
 		st->frag_data = NULL;
 	}
 
-	if (st->cur_skb->next) {
+	if (st->root_skb == st->cur_skb &&
-		st->cur_skb = st->cur_skb->next;
-		st->frag_idx = 0;
-		goto next_skb;
-	} else if (st->root_skb == st->cur_skb &&
 	    skb_shinfo(st->root_skb)->frag_list) {
 		st->cur_skb = skb_shinfo(st->root_skb)->frag_list;
+		st->frag_idx = 0;
+		goto next_skb;
+	} else if (st->cur_skb->next) {
+		st->cur_skb = st->cur_skb->next;
+		st->frag_idx = 0;
 		goto next_skb;
 	}
 

net/ipv4/ipconfig.c

@@ -1268,6 +1268,9 @@ __be32 __init root_nfs_parse_addr(char *name)
 static int __init ip_auto_config(void)
 {
 	__be32 addr;
+#ifdef IPCONFIG_DYNAMIC
+	int retries = CONF_OPEN_RETRIES;
+#endif
 
 #ifdef CONFIG_PROC_FS
 	proc_net_fops_create(&init_net, "pnp", S_IRUGO, &pnp_seq_fops);
@@ -1304,9 +1307,6 @@ static int __init ip_auto_config(void)
 #endif
 	    ic_first_dev->next) {
 #ifdef IPCONFIG_DYNAMIC
-
-		int retries = CONF_OPEN_RETRIES;
-
 		if (ic_dynamic() < 0) {
 			ic_close_devs();
 

net/ipv4/tcp.c

@@ -524,7 +524,8 @@ static int tcp_splice_data_recv(read_descriptor_t *rd_desc, struct sk_buff *skb,
 	struct tcp_splice_state *tss = rd_desc->arg.data;
 	int ret;
 
-	ret = skb_splice_bits(skb, offset, tss->pipe, rd_desc->count, tss->flags);
+	ret = skb_splice_bits(skb, offset, tss->pipe, min(rd_desc->count, len),
+			      tss->flags);
 	if (ret > 0)
 		rd_desc->count -= ret;
 	return ret;

net/ipv4/udp.c

@@ -120,8 +120,11 @@ EXPORT_SYMBOL(sysctl_udp_wmem_min);
 atomic_t udp_memory_allocated;
 EXPORT_SYMBOL(udp_memory_allocated);
 
+#define PORTS_PER_CHAIN (65536 / UDP_HTABLE_SIZE)
+
 static int udp_lib_lport_inuse(struct net *net, __u16 num,
 			       const struct udp_hslot *hslot,
+			       unsigned long *bitmap,
 			       struct sock *sk,
 			       int (*saddr_comp)(const struct sock *sk1,
 						 const struct sock *sk2))
@@ -132,12 +135,17 @@ static int udp_lib_lport_inuse(struct net *net, __u16 num,
 	sk_nulls_for_each(sk2, node, &hslot->head)
 		if (net_eq(sock_net(sk2), net)			&&
 		    sk2 != sk					&&
-		    sk2->sk_hash == num				&&
+		    (bitmap || sk2->sk_hash == num)		&&
 		    (!sk2->sk_reuse || !sk->sk_reuse)		&&
 		    (!sk2->sk_bound_dev_if || !sk->sk_bound_dev_if
 			|| sk2->sk_bound_dev_if == sk->sk_bound_dev_if) &&
-		    (*saddr_comp)(sk, sk2))
+		    (*saddr_comp)(sk, sk2)) {
+			if (bitmap)
+				__set_bit(sk2->sk_hash / UDP_HTABLE_SIZE,
+					  bitmap);
+			else
 				return 1;
+		}
 	return 0;
 }
 
@@ -160,32 +168,47 @@ int udp_lib_get_port(struct sock *sk, unsigned short snum,
 	if (!snum) {
 		int low, high, remaining;
 		unsigned rand;
-		unsigned short first;
+		unsigned short first, last;
+		DECLARE_BITMAP(bitmap, PORTS_PER_CHAIN);
 
 		inet_get_local_port_range(&low, &high);
 		remaining = (high - low) + 1;
 
 		rand = net_random();
-		snum = first = rand % remaining + low;
+		first = (((u64)rand * remaining) >> 32) + low;
-		rand |= 1;
+		/*
-		for (;;) {
+		 * force rand to be an odd multiple of UDP_HTABLE_SIZE
-			hslot = &udptable->hash[udp_hashfn(net, snum)];
+		 */
+		rand = (rand | 1) * UDP_HTABLE_SIZE;
+		for (last = first + UDP_HTABLE_SIZE; first != last; first++) {
+			hslot = &udptable->hash[udp_hashfn(net, first)];
+			bitmap_zero(bitmap, PORTS_PER_CHAIN);
 			spin_lock_bh(&hslot->lock);
-			if (!udp_lib_lport_inuse(net, snum, hslot, sk, saddr_comp))
+			udp_lib_lport_inuse(net, snum, hslot, bitmap, sk,
-				break;
+					    saddr_comp);
-			spin_unlock_bh(&hslot->lock);
+
+			snum = first;
+			/*
+			 * Iterate on all possible values of snum for this hash.
+			 * Using steps of an odd multiple of UDP_HTABLE_SIZE
+			 * give us randomization and full range coverage.
+			 */
 			do {
-				snum = snum + rand;
+				if (low <= snum && snum <= high &&
-			} while (snum < low || snum > high);
+				    !test_bit(snum / UDP_HTABLE_SIZE, bitmap))
-			if (snum == first)
+					goto found;
-				goto fail;
+				snum += rand;
+			} while (snum != first);
+			spin_unlock_bh(&hslot->lock);
 		}
+		goto fail;
 	} else {
 		hslot = &udptable->hash[udp_hashfn(net, snum)];
 		spin_lock_bh(&hslot->lock);
-		if (udp_lib_lport_inuse(net, snum, hslot, sk, saddr_comp))
+		if (udp_lib_lport_inuse(net, snum, hslot, NULL, sk, saddr_comp))
 			goto fail_unlock;
 	}
+found:
 	inet_sk(sk)->num = snum;
 	sk->sk_hash = snum;
 	if (sk_unhashed(sk)) {

net/ipv6/addrconf.c

@@ -4250,7 +4250,7 @@ static struct addrconf_sysctl_table
 			.procname	=	"mc_forwarding",
 			.data		=	&ipv6_devconf.mc_forwarding,
 			.maxlen		=	sizeof(int),
-			.mode		=	0644,
+			.mode		=	0444,
 			.proc_handler	=	proc_dointvec,
 		},
 #endif

net/ipv6/icmp.c

@@ -443,10 +443,10 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 	if (xfrm_decode_session_reverse(skb, &fl2, AF_INET6))
 		goto relookup_failed;
 
-	if (ip6_dst_lookup(sk, &dst2, &fl))
+	if (ip6_dst_lookup(sk, &dst2, &fl2))
 		goto relookup_failed;
 
-	err = xfrm_lookup(net, &dst2, &fl, sk, XFRM_LOOKUP_ICMP);
+	err = xfrm_lookup(net, &dst2, &fl2, sk, XFRM_LOOKUP_ICMP);
 	switch (err) {
 	case 0:
 		dst_release(dst);

net/ipv6/ip6_input.c

@@ -255,6 +255,7 @@ int ip6_mc_input(struct sk_buff *skb)
 	 *      IPv6 multicast router mode is now supported ;)
 	 */
 	if (dev_net(skb->dev)->ipv6.devconf_all->mc_forwarding &&
+	    !(ipv6_addr_type(&hdr->daddr) & IPV6_ADDR_LINKLOCAL) &&
 	    likely(!(IP6CB(skb)->flags & IP6SKB_FORWARDED))) {
 		/*
 		 * Okay, we try to forward - split and duplicate
@@ -316,7 +317,6 @@ int ip6_mc_input(struct sk_buff *skb)
 		}
 
 		if (skb2) {
-			skb2->dev = skb2->dst->dev;
 			ip6_mr_input(skb2);
 		}
 	}

net/ipv6/ip6mr.c

@@ -365,7 +365,9 @@ static int pim6_rcv(struct sk_buff *skb)
 	pim = (struct pimreghdr *)skb_transport_header(skb);
 	if (pim->type != ((PIM_VERSION << 4) | PIM_REGISTER) ||
 	    (pim->flags & PIM_NULL_REGISTER) ||
-	    (ip_compute_csum((void *)pim, sizeof(*pim)) != 0 &&
+	    (csum_ipv6_magic(&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
+			     sizeof(*pim), IPPROTO_PIM,
+			     csum_partial((void *)pim, sizeof(*pim), 0)) &&
 	     csum_fold(skb_checksum(skb, 0, skb->len, 0))))
 		goto drop;
 
@@ -392,7 +394,7 @@ static int pim6_rcv(struct sk_buff *skb)
 	skb_pull(skb, (u8 *)encap - skb->data);
 	skb_reset_network_header(skb);
 	skb->dev = reg_dev;
-	skb->protocol = htons(ETH_P_IP);
+	skb->protocol = htons(ETH_P_IPV6);
 	skb->ip_summed = 0;
 	skb->pkt_type = PACKET_HOST;
 	dst_release(skb->dst);
@@ -481,6 +483,7 @@ static int mif6_delete(struct net *net, int vifi)
 {
 	struct mif_device *v;
 	struct net_device *dev;
+	struct inet6_dev *in6_dev;
 	if (vifi < 0 || vifi >= net->ipv6.maxvif)
 		return -EADDRNOTAVAIL;
 
@@ -513,6 +516,10 @@ static int mif6_delete(struct net *net, int vifi)
 
 	dev_set_allmulti(dev, -1);
 
+	in6_dev = __in6_dev_get(dev);
+	if (in6_dev)
+		in6_dev->cnf.mc_forwarding--;
+
 	if (v->flags & MIFF_REGISTER)
 		unregister_netdevice(dev);
 
@@ -622,6 +629,7 @@ static int mif6_add(struct net *net, struct mif6ctl *vifc, int mrtsock)
 	int vifi = vifc->mif6c_mifi;
 	struct mif_device *v = &net->ipv6.vif6_table[vifi];
 	struct net_device *dev;
+	struct inet6_dev *in6_dev;
 	int err;
 
 	/* Is vif busy ? */
@@ -662,6 +670,10 @@ static int mif6_add(struct net *net, struct mif6ctl *vifc, int mrtsock)
 		return -EINVAL;
 	}
 
+	in6_dev = __in6_dev_get(dev);
+	if (in6_dev)
+		in6_dev->cnf.mc_forwarding++;
+
 	/*
 	 *	Fill in the VIF structures
 	 */
@@ -838,8 +850,6 @@ static int ip6mr_cache_report(struct net *net, struct sk_buff *pkt, mifi_t mifi,
 
 	skb->dst = dst_clone(pkt->dst);
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
-
-	skb_pull(skb, sizeof(struct ipv6hdr));
 	}
 
 	if (net->ipv6.mroute6_sk == NULL) {
@@ -1222,8 +1232,10 @@ static int ip6mr_sk_init(struct sock *sk)
 
 	rtnl_lock();
 	write_lock_bh(&mrt_lock);
-	if (likely(net->ipv6.mroute6_sk == NULL))
+	if (likely(net->ipv6.mroute6_sk == NULL)) {
 		net->ipv6.mroute6_sk = sk;
+		net->ipv6.devconf_all->mc_forwarding++;
+	}
 	else
 		err = -EADDRINUSE;
 	write_unlock_bh(&mrt_lock);
@@ -1242,6 +1254,7 @@ int ip6mr_sk_done(struct sock *sk)
 	if (sk == net->ipv6.mroute6_sk) {
 		write_lock_bh(&mrt_lock);
 		net->ipv6.mroute6_sk = NULL;
+		net->ipv6.devconf_all->mc_forwarding--;
 		write_unlock_bh(&mrt_lock);
 
 		mroute_clean_tables(net);

net/ipv6/route.c

@@ -794,7 +794,7 @@ void ip6_route_input(struct sk_buff *skb)
 		.proto = iph->nexthdr,
 	};
 
-	if (rt6_need_strict(&iph->daddr))
+	if (rt6_need_strict(&iph->daddr) && skb->dev->type != ARPHRD_PIMREG)
 		flags |= RT6_LOOKUP_F_IFACE;
 
 	skb->dst = fib6_rule_lookup(net, &fl, flags, ip6_pol_route_input);

net/packet/af_packet.c

@@ -77,6 +77,7 @@
 #include <linux/poll.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/mutex.h>
 
 #ifdef CONFIG_INET
 #include <net/inet_common.h>
@@ -175,6 +176,7 @@ struct packet_sock {
 #endif
 	struct packet_type	prot_hook;
 	spinlock_t		bind_lock;
+	struct mutex		pg_vec_lock;
 	unsigned int		running:1,	/* prot_hook is attached*/
 				auxdata:1,
 				origdev:1;
@@ -1069,6 +1071,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol)
 	 */
 
 	spin_lock_init(&po->bind_lock);
+	mutex_init(&po->pg_vec_lock);
 	po->prot_hook.func = packet_rcv;
 
 	if (sock->type == SOCK_PACKET)
@@ -1865,6 +1868,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
 	synchronize_net();
 
 	err = -EBUSY;
+	mutex_lock(&po->pg_vec_lock);
 	if (closing || atomic_read(&po->mapped) == 0) {
 		err = 0;
 #define XC(a, b) ({ __typeof__ ((a)) __t; __t = (a); (a) = (b); __t; })
@@ -1886,6 +1890,7 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing
 		if (atomic_read(&po->mapped))
 			printk(KERN_DEBUG "packet_mmap: vma is busy: %d\n", atomic_read(&po->mapped));
 	}
+	mutex_unlock(&po->pg_vec_lock);
 
 	spin_lock(&po->bind_lock);
 	if (was_running && !po->running) {
@@ -1918,7 +1923,7 @@ static int packet_mmap(struct file *file, struct socket *sock, struct vm_area_st
 
 	size = vma->vm_end - vma->vm_start;
 
-	lock_sock(sk);
+	mutex_lock(&po->pg_vec_lock);
 	if (po->pg_vec == NULL)
 		goto out;
 	if (size != po->pg_vec_len*po->pg_vec_pages*PAGE_SIZE)
@@ -1941,7 +1946,7 @@ static int packet_mmap(struct file *file, struct socket *sock, struct vm_area_st
 	err = 0;
 
 out:
-	release_sock(sk);
+	mutex_unlock(&po->pg_vec_lock);
 	return err;
 }
 #endif

net/wimax/debugfs.c

@@ -28,17 +28,6 @@
 #include "debug-levels.h"
 
 
-/* Debug framework control of debug levels */
-struct d_level D_LEVEL[] = {
-	D_SUBMODULE_DEFINE(debugfs),
-	D_SUBMODULE_DEFINE(id_table),
-	D_SUBMODULE_DEFINE(op_msg),
-	D_SUBMODULE_DEFINE(op_reset),
-	D_SUBMODULE_DEFINE(op_rfkill),
-	D_SUBMODULE_DEFINE(stack),
-};
-size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
-
 #define __debugfs_register(prefix, name, parent)			\
 do {									\
 	result = d_level_register_debugfs(prefix, name, parent);	\

net/wimax/stack.c

@@ -516,6 +516,19 @@ void wimax_dev_rm(struct wimax_dev *wimax_dev)
 }
 EXPORT_SYMBOL_GPL(wimax_dev_rm);
 
+
+/* Debug framework control of debug levels */
+struct d_level D_LEVEL[] = {
+	D_SUBMODULE_DEFINE(debugfs),
+	D_SUBMODULE_DEFINE(id_table),
+	D_SUBMODULE_DEFINE(op_msg),
+	D_SUBMODULE_DEFINE(op_reset),
+	D_SUBMODULE_DEFINE(op_rfkill),
+	D_SUBMODULE_DEFINE(stack),
+};
+size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
+
+
 struct genl_family wimax_gnl_family = {
 	.id = GENL_ID_GENERATE,
 	.name = "WiMAX",

net/wireless/reg.c

@@ -498,6 +498,7 @@ static struct ieee80211_regdomain *country_ie_2_rd(
 	 * calculate the number of reg rules we will need. We will need one
 	 * for each channel subband */
 	while (country_ie_len >= 3) {
+		int end_channel = 0;
 		struct ieee80211_country_ie_triplet *triplet =
 			(struct ieee80211_country_ie_triplet *) country_ie;
 		int cur_sub_max_channel = 0, cur_channel = 0;
@@ -509,9 +510,25 @@ static struct ieee80211_regdomain *country_ie_2_rd(
 			continue;
 		}
 
+		/* 2 GHz */
+		if (triplet->chans.first_channel <= 14)
+			end_channel = triplet->chans.first_channel +
+				triplet->chans.num_channels;
+		else
+			/*
+			 * 5 GHz -- For example in country IEs if the first
+			 * channel given is 36 and the number of channels is 4
+			 * then the individual channel numbers defined for the
+			 * 5 GHz PHY by these parameters are: 36, 40, 44, and 48
+			 * and not 36, 37, 38, 39.
+			 *
+			 * See: http://tinyurl.com/11d-clarification
+			 */
+			end_channel =  triplet->chans.first_channel +
+				(4 * (triplet->chans.num_channels - 1));
+
 		cur_channel = triplet->chans.first_channel;
-		cur_sub_max_channel = ieee80211_channel_to_frequency(
+		cur_sub_max_channel = end_channel;
-			cur_channel + triplet->chans.num_channels);
 
 		/* Basic sanity check */
 		if (cur_sub_max_channel < cur_channel)
@@ -590,15 +607,6 @@ static struct ieee80211_regdomain *country_ie_2_rd(
 			end_channel = triplet->chans.first_channel +
 				triplet->chans.num_channels;
 		else
-			/*
-			 * 5 GHz -- For example in country IEs if the first
-			 * channel given is 36 and the number of channels is 4
-			 * then the individual channel numbers defined for the
-			 * 5 GHz PHY by these parameters are: 36, 40, 44, and 48
-			 * and not 36, 37, 38, 39.
-			 *
-			 * See: http://tinyurl.com/11d-clarification
-			 */
 			end_channel =  triplet->chans.first_channel +
 				(4 * (triplet->chans.num_channels - 1));
 
@@ -1276,7 +1284,7 @@ static void reg_country_ie_process_debug(
 	if (intersected_rd) {
 		printk(KERN_DEBUG "cfg80211: We intersect both of these "
 			"and get:\n");
-		print_regdomain_info(rd);
+		print_regdomain_info(intersected_rd);
 		return;
 	}
 	printk(KERN_DEBUG "cfg80211: Intersection between both failed\n");