Merge commit 'net/master'

Conflicts:

	drivers/net/ixgbe/ixgbe_main.c
	drivers/net/smc91x.c

6 files changed, 118 insertions, 44 deletions

diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c
index 466a89e24444..d7621239059a 100644
--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -271,8 +271,6 @@ static void catc_rx_done(struct urb *urb)
 
 	} while (pkt_start - (u8 *) urb->transfer_buffer < urb->actual_length);
 
-	catc->netdev->last_rx = jiffies;
-
 	if (catc->is_f5u011) {
 		if (atomic_read(&catc->recq_sz)) {
 			int status;
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 8e90891f0e42..c5c1aeae94fe 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -417,6 +417,11 @@ static const struct usb_device_id hso_ids[] = {
 	{USB_DEVICE(0x0af0, 0x7401)},		/* GI 0401 */
 	{USB_DEVICE(0x0af0, 0x7501)},		/* GTM 382 */
 	{USB_DEVICE(0x0af0, 0x7601)},		/* GE40x */
+	{USB_DEVICE(0x0af0, 0x7701)},
+	{USB_DEVICE(0x0af0, 0x7801)},
+	{USB_DEVICE(0x0af0, 0x7901)},
+	{USB_DEVICE(0x0af0, 0x7361)},
+	{icon321_port_device(0x0af0, 0xd051)},
 	{}
 };
 MODULE_DEVICE_TABLE(usb, hso_ids);
@@ -2750,18 +2755,21 @@ static int hso_resume(struct usb_interface *iface)
 		if (network_table[i] &&
 		    (network_table[i]->interface == iface)) {
 			hso_net = dev2net(network_table[i]);
-			/* First transmit any lingering data, then restart the
-			 * device. */
-			if (hso_net->skb_tx_buf) {
-				dev_dbg(&iface->dev,
-					"Transmitting lingering data\n");
-				hso_net_start_xmit(hso_net->skb_tx_buf,
-						   hso_net->net);
-				hso_net->skb_tx_buf = NULL;
+			if (hso_net->flags & IFF_UP) {
+				/* First transmit any lingering data,
+				   then restart the device. */
+				if (hso_net->skb_tx_buf) {
+					dev_dbg(&iface->dev,
+						"Transmitting"
+						" lingering data\n");
+					hso_net_start_xmit(hso_net->skb_tx_buf,
+							   hso_net->net);
+					hso_net->skb_tx_buf = NULL;
+				}
+				result = hso_start_net_device(network_table[i]);
+				if (result)
+					goto out;
 			}
-			result = hso_start_net_device(network_table[i]);
-			if (result)
-				goto out;
 		}
 	}
 
@@ -2894,6 +2902,7 @@ static struct usb_driver hso_driver = {
 	.id_table = hso_ids,
 	.suspend = hso_suspend,
 	.resume = hso_resume,
+	.reset_resume = hso_resume,
 	.supports_autosuspend = 1,
 };
 
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index b5143509e8be..bbcc76ae3c9c 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -344,14 +344,14 @@ out:
 static int mcs7830_mdio_read(struct net_device *netdev, int phy_id,
 			     int location)
 {
-	struct usbnet *dev = netdev->priv;
+	struct usbnet *dev = netdev_priv(netdev);
 	return mcs7830_read_phy(dev, location);
 }
 
 static void mcs7830_mdio_write(struct net_device *netdev, int phy_id,
 				int location, int val)
 {
-	struct usbnet *dev = netdev->priv;
+	struct usbnet *dev = netdev_priv(netdev);
 	mcs7830_write_phy(dev, location, val);
 }
 
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 32cc6617cc71..7a45700651f4 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -1213,7 +1213,7 @@ static void pegasus_set_multicast(struct net_device *net)
 		pegasus->eth_regs[EthCtrl0] |= RX_MULTICAST;
 		pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS;
 		if (netif_msg_link(pegasus))
-			pr_info("%s: set allmulti\n", net->name);
+			pr_debug("%s: set allmulti\n", net->name);
 	} else {
 		pegasus->eth_regs[EthCtrl0] &= ~RX_MULTICAST;
 		pegasus->eth_regs[EthCtrl2] &= ~RX_PROMISCUOUS;
@@ -1273,6 +1273,7 @@ static inline void setup_pegasus_II(pegasus_t * pegasus)
 }
 
 
+static int pegasus_count;
 static struct workqueue_struct *pegasus_workqueue = NULL;
 #define CARRIER_CHECK_DELAY (2 * HZ)
 
@@ -1301,6 +1302,18 @@ static int pegasus_blacklisted(struct usb_device *udev)
 	return 0;
 }
 
+/* we rely on probe() and remove() being serialized so we
+ * don't need extra locking on pegasus_count.
+ */
+static void pegasus_dec_workqueue(void)
+{
+	pegasus_count--;
+	if (pegasus_count == 0) {
+		destroy_workqueue(pegasus_workqueue);
+		pegasus_workqueue = NULL;
+	}
+}
+
 static int pegasus_probe(struct usb_interface *intf,
 			 const struct usb_device_id *id)
 {
@@ -1309,14 +1322,18 @@ static int pegasus_probe(struct usb_interface *intf,
 	pegasus_t *pegasus;
 	int dev_index = id - pegasus_ids;
 	int res = -ENOMEM;
-	DECLARE_MAC_BUF(mac);
 
-	usb_get_dev(dev);
+	if (pegasus_blacklisted(dev))
+		return -ENODEV;
 
-	if (pegasus_blacklisted(dev)) {
-		res = -ENODEV;
-		goto out;
+	if (pegasus_count == 0) {
+		pegasus_workqueue = create_singlethread_workqueue("pegasus");
+		if (!pegasus_workqueue)
+			return -ENOMEM;
 	}
+	pegasus_count++;
+
+	usb_get_dev(dev);
 
 	net = alloc_etherdev(sizeof(struct pegasus));
 	if (!net) {
@@ -1386,10 +1403,10 @@ static int pegasus_probe(struct usb_interface *intf,
 	queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
 				CARRIER_CHECK_DELAY);
 
-	dev_info(&intf->dev, "%s, %s, %s\n",
+	dev_info(&intf->dev, "%s, %s, %pM\n",
 		 net->name,
 		 usb_dev_id[dev_index].name,
-		 print_mac(mac, net->dev_addr));
+		 net->dev_addr);
 	return 0;
 
 out3:
@@ -1401,6 +1418,7 @@ out1:
 	free_netdev(net);
 out:
 	usb_put_dev(dev);
+	pegasus_dec_workqueue();
 	return res;
 }
 
@@ -1426,6 +1444,7 @@ static void pegasus_disconnect(struct usb_interface *intf)
 		pegasus->rx_skb = NULL;
 	}
 	free_netdev(pegasus->net);
+	pegasus_dec_workqueue();
 }
 
 static int pegasus_suspend (struct usb_interface *intf, pm_message_t message)
@@ -1469,7 +1488,7 @@ static struct usb_driver pegasus_driver = {
 	.resume = pegasus_resume,
 };
 
-static void parse_id(char *id)
+static void __init parse_id(char *id)
 {
 	unsigned int vendor_id=0, device_id=0, flags=0, i=0;
 	char *token, *name=NULL;
@@ -1505,15 +1524,11 @@ static int __init pegasus_init(void)
 	pr_info("%s: %s, " DRIVER_DESC "\n", driver_name, DRIVER_VERSION);
 	if (devid)
 		parse_id(devid);
-	pegasus_workqueue = create_singlethread_workqueue("pegasus");
-	if (!pegasus_workqueue)
-		return -ENOMEM;
 	return usb_register(&pegasus_driver);
 }
 
 static void __exit pegasus_exit(void)
 {
-	destroy_workqueue(pegasus_workqueue);
 	usb_deregister(&pegasus_driver);
 }
 
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 51e2f5d7d14e..4638a7bb471e 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -31,7 +31,7 @@
 #include "smsc95xx.h"
 
 #define SMSC_CHIPNAME			"smsc95xx"
-#define SMSC_DRIVER_VERSION		"1.0.3"
+#define SMSC_DRIVER_VERSION		"1.0.4"
 #define HS_USB_PKT_SIZE			(512)
 #define FS_USB_PKT_SIZE			(64)
 #define DEFAULT_HS_BURST_CAP_SIZE	(16 * 1024 + 5 * HS_USB_PKT_SIZE)
@@ -40,15 +40,18 @@
 #define MAX_SINGLE_PACKET_SIZE		(2048)
 #define LAN95XX_EEPROM_MAGIC		(0x9500)
 #define EEPROM_MAC_OFFSET		(0x01)
+#define DEFAULT_TX_CSUM_ENABLE		(true)
 #define DEFAULT_RX_CSUM_ENABLE		(true)
 #define SMSC95XX_INTERNAL_PHY_ID	(1)
 #define SMSC95XX_TX_OVERHEAD		(8)
+#define SMSC95XX_TX_OVERHEAD_CSUM	(12)
 #define FLOW_CTRL_TX			(1)
 #define FLOW_CTRL_RX			(2)
 
 struct smsc95xx_priv {
 	u32 mac_cr;
 	spinlock_t mac_cr_lock;
+	bool use_tx_csum;
 	bool use_rx_csum;
 };
 
@@ -556,9 +559,10 @@ static void smsc95xx_status(struct usbnet *dev, struct urb *urb)
 		devwarn(dev, "unexpected interrupt, intdata=0x%08X", intdata);
 }
 
-/* Enable or disable Rx checksum offload engine */
-static int smsc95xx_set_rx_csum(struct usbnet *dev, bool enable)
+/* Enable or disable Tx & Rx checksum offload engines */
+static int smsc95xx_set_csums(struct usbnet *dev)
 {
+	struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
 	u32 read_buf;
 	int ret = smsc95xx_read_reg(dev, COE_CR, &read_buf);
 	if (ret < 0) {
@@ -566,7 +570,12 @@ static int smsc95xx_set_rx_csum(struct usbnet *dev, bool enable)
 		return ret;
 	}
 
-	if (enable)
+	if (pdata->use_tx_csum)
+		read_buf |= Tx_COE_EN_;
+	else
+		read_buf &= ~Tx_COE_EN_;
+
+	if (pdata->use_rx_csum)
 		read_buf |= Rx_COE_EN_;
 	else
 		read_buf &= ~Rx_COE_EN_;
@@ -626,7 +635,26 @@ static int smsc95xx_ethtool_set_rx_csum(struct net_device *netdev, u32 val)
 
 	pdata->use_rx_csum = !!val;
 
-	return smsc95xx_set_rx_csum(dev, pdata->use_rx_csum);
+	return smsc95xx_set_csums(dev);
+}
+
+static u32 smsc95xx_ethtool_get_tx_csum(struct net_device *netdev)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+	struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+
+	return pdata->use_tx_csum;
+}
+
+static int smsc95xx_ethtool_set_tx_csum(struct net_device *netdev, u32 val)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+	struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+
+	pdata->use_tx_csum = !!val;
+
+	ethtool_op_set_tx_hw_csum(netdev, pdata->use_tx_csum);
+	return smsc95xx_set_csums(dev);
 }
 
 static struct ethtool_ops smsc95xx_ethtool_ops = {
@@ -640,6 +668,8 @@ static struct ethtool_ops smsc95xx_ethtool_ops = {
 	.get_eeprom_len	= smsc95xx_ethtool_get_eeprom_len,
 	.get_eeprom	= smsc95xx_ethtool_get_eeprom,
 	.set_eeprom	= smsc95xx_ethtool_set_eeprom,
+	.get_tx_csum	= smsc95xx_ethtool_get_tx_csum,
+	.set_tx_csum	= smsc95xx_ethtool_set_tx_csum,
 	.get_rx_csum	= smsc95xx_ethtool_get_rx_csum,
 	.set_rx_csum	= smsc95xx_ethtool_set_rx_csum,
 };
@@ -757,9 +787,9 @@ static int smsc95xx_phy_initialize(struct usbnet *dev)
 static int smsc95xx_reset(struct usbnet *dev)
 {
 	struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+	struct net_device *netdev = dev->net;
 	u32 read_buf, write_buf, burst_cap;
 	int ret = 0, timeout;
-	DECLARE_MAC_BUF(mac);
 
 	if (netif_msg_ifup(dev))
 		devdbg(dev, "entering smsc95xx_reset");
@@ -818,8 +848,7 @@ static int smsc95xx_reset(struct usbnet *dev)
 		return ret;
 
 	if (netif_msg_ifup(dev))
-		devdbg(dev, "MAC Address: %s",
-			print_mac(mac, dev->net->dev_addr));
+		devdbg(dev, "MAC Address: %pM", dev->net->dev_addr);
 
 	ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
 	if (ret < 0) {
@@ -970,10 +999,11 @@ static int smsc95xx_reset(struct usbnet *dev)
 		return ret;
 	}
 
-	/* Enable or disable Rx checksum offload engine */
-	ret = smsc95xx_set_rx_csum(dev, pdata->use_rx_csum);
+	/* Enable or disable checksum offload engines */
+	ethtool_op_set_tx_hw_csum(netdev, pdata->use_tx_csum);
+	ret = smsc95xx_set_csums(dev);
 	if (ret < 0) {
-		devwarn(dev, "Failed to set Rx csum offload: %d", ret);
+		devwarn(dev, "Failed to set csum offload: %d", ret);
 		return ret;
 	}
 
@@ -1029,6 +1059,7 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
 
 	spin_lock_init(&pdata->mac_cr_lock);
 
+	pdata->use_tx_csum = DEFAULT_TX_CSUM_ENABLE;
 	pdata->use_rx_csum = DEFAULT_RX_CSUM_ENABLE;
 
 	/* Init all registers */
@@ -1148,22 +1179,44 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 	return 1;
 }
 
+static u32 smsc95xx_calc_csum_preamble(struct sk_buff *skb)
+{
+	int len = skb->data - skb->head;
+	u16 high_16 = (u16)(skb->csum_offset + skb->csum_start - len);
+	u16 low_16 = (u16)(skb->csum_start - len);
+	return (high_16 << 16) | low_16;
+}
+
 static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
 					 struct sk_buff *skb, gfp_t flags)
 {
+	struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+	bool csum = pdata->use_tx_csum && (skb->ip_summed == CHECKSUM_PARTIAL);
+	int overhead = csum ? SMSC95XX_TX_OVERHEAD_CSUM : SMSC95XX_TX_OVERHEAD;
 	u32 tx_cmd_a, tx_cmd_b;
 
-	if (skb_headroom(skb) < SMSC95XX_TX_OVERHEAD) {
+	/* We do not advertise SG, so skbs should be already linearized */
+	BUG_ON(skb_shinfo(skb)->nr_frags);
+
+	if (skb_headroom(skb) < overhead) {
 		struct sk_buff *skb2 = skb_copy_expand(skb,
-			SMSC95XX_TX_OVERHEAD, 0, flags);
+			overhead, 0, flags);
 		dev_kfree_skb_any(skb);
 		skb = skb2;
 		if (!skb)
 			return NULL;
 	}
 
+	if (csum) {
+		u32 csum_preamble = smsc95xx_calc_csum_preamble(skb);
+		skb_push(skb, 4);
+		memcpy(skb->data, &csum_preamble, 4);
+	}
+
 	skb_push(skb, 4);
 	tx_cmd_b = (u32)(skb->len - 4);
+	if (csum)
+		tx_cmd_b |= TX_CMD_B_CSUM_ENABLE;
 	cpu_to_le32s(&tx_cmd_b);
 	memcpy(skb->data, &tx_cmd_b, 4);
 
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 02d25c743994..aa3149078888 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1125,7 +1125,6 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 	struct usb_device		*xdev;
 	int				status;
 	const char			*name;
-	DECLARE_MAC_BUF(mac);
 
 	name = udev->dev.driver->name;
 	info = (struct driver_info *) prod->driver_info;
@@ -1236,11 +1235,11 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 	if (status)
 		goto out3;
 	if (netif_msg_probe (dev))
-		devinfo (dev, "register '%s' at usb-%s-%s, %s, %s",
+		devinfo (dev, "register '%s' at usb-%s-%s, %s, %pM",
 			udev->dev.driver->name,
 			xdev->bus->bus_name, xdev->devpath,
 			dev->driver_info->description,
-			print_mac(mac, net->dev_addr));
+			net->dev_addr);
 
 	// ok, it's ready to go.
 	usb_set_intfdata (udev, dev);