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

Pull networking updates from David Miller:

 1) More iov_iter conversion work from Al Viro.

    [ The "crypto: switch af_alg_make_sg() to iov_iter" commit was
      wrong, and this pull actually adds an extra commit on top of the
      branch I'm pulling to fix that up, so that the pre-merge state is
      ok.   - Linus ]

 2) Various optimizations to the ipv4 forwarding information base trie
    lookup implementation.  From Alexander Duyck.

 3) Remove sock_iocb altogether, from CHristoph Hellwig.

 4) Allow congestion control algorithm selection via routing metrics.
    From Daniel Borkmann.

 5) Make ipv4 uncached route list per-cpu, from Eric Dumazet.

 6) Handle rfs hash collisions more gracefully, also from Eric Dumazet.

 7) Add xmit_more support to r8169, e1000, and e1000e drivers.  From
    Florian Westphal.

 8) Transparent Ethernet Bridging support for GRO, from Jesse Gross.

 9) Add BPF packet actions to packet scheduler, from Jiri Pirko.

10) Add support for uniqu flow IDs to openvswitch, from Joe Stringer.

11) New NetCP ethernet driver, from Muralidharan Karicheri and Wingman
    Kwok.

12) More sanely handle out-of-window dupacks, which can result in
    serious ACK storms.  From Neal Cardwell.

13) Various rhashtable bug fixes and enhancements, from Herbert Xu,
    Patrick McHardy, and Thomas Graf.

14) Support xmit_more in be2net, from Sathya Perla.

15) Group Policy extensions for vxlan, from Thomas Graf.

16) Remove Checksum Offload support for vxlan, from Tom Herbert.

17) Like ipv4, support lockless transmit over ipv6 UDP sockets.  From
    Vlad Yasevich.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1494+1 commits)
  crypto: fix af_alg_make_sg() conversion to iov_iter
  ipv4: Namespecify TCP PMTU mechanism
  i40e: Fix for stats init function call in Rx setup
  tcp: don't include Fast Open option in SYN-ACK on pure SYN-data
  openvswitch: Only set TUNNEL_VXLAN_OPT if VXLAN-GBP metadata is set
  ipv6: Make __ipv6_select_ident static
  ipv6: Fix fragment id assignment on LE arches.
  bridge: Fix inability to add non-vlan fdb entry
  net: Mellanox: Delete unnecessary checks before the function call "vunmap"
  cxgb4: Add support in cxgb4 to get expansion rom version via ethtool
  ethtool: rename reserved1 memeber in ethtool_drvinfo for expansion ROM version
  net: dsa: Remove redundant phy_attach()
  IB/mlx4: Reset flow support for IB kernel ULPs
  IB/mlx4: Always use the correct port for mirrored multicast attachments
  net/bonding: Fix potential bad memory access during bonding events
  tipc: remove tipc_snprintf
  tipc: nl compat add noop and remove legacy nl framework
  tipc: convert legacy nl stats show to nl compat
  tipc: convert legacy nl net id get to nl compat
  tipc: convert legacy nl net id set to nl compat
  ...

3 files changed, 196 insertions, 156 deletions

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 9c5aa922a9f4..6b8efcabb816 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -58,7 +58,6 @@
 #include <linux/module.h>
 #include <linux/ethtool.h>
 #include <linux/usb.h>
-#include <linux/timer.h>
 #include <linux/tty.h>
 #include <linux/tty_driver.h>
 #include <linux/tty_flip.h>
@@ -154,6 +153,7 @@ struct hso_net {
 	struct hso_device *parent;
 	struct net_device *net;
 	struct rfkill *rfkill;
+	char name[24];
 
 	struct usb_endpoint_descriptor *in_endp;
 	struct usb_endpoint_descriptor *out_endp;
@@ -274,7 +274,6 @@ struct hso_device {
 	u8 usb_gone;
 	struct work_struct async_get_intf;
 	struct work_struct async_put_intf;
-	struct work_struct reset_device;
 
 	struct usb_device *usb;
 	struct usb_interface *interface;
@@ -340,7 +339,6 @@ static void async_put_intf(struct work_struct *data);
 static int hso_put_activity(struct hso_device *hso_dev);
 static int hso_get_activity(struct hso_device *hso_dev);
 static void tiocmget_intr_callback(struct urb *urb);
-static void reset_device(struct work_struct *data);
 /*****************************************************************************/
 /* Helping functions                                                         */
 /*****************************************************************************/
@@ -533,6 +531,13 @@ static ssize_t hso_sysfs_show_porttype(struct device *dev,
 }
 static DEVICE_ATTR(hsotype, S_IRUGO, hso_sysfs_show_porttype, NULL);
 
+static struct attribute *hso_serial_dev_attrs[] = {
+	&dev_attr_hsotype.attr,
+	NULL
+};
+
+ATTRIBUTE_GROUPS(hso_serial_dev);
+
 static int hso_urb_to_index(struct hso_serial *serial, struct urb *urb)
 {
 	int idx;
@@ -696,7 +701,7 @@ static void handle_usb_error(int status, const char *function,
 	case -ETIMEDOUT:
 		explanation = "protocol error";
 		if (hso_dev)
-			schedule_work(&hso_dev->reset_device);
+			usb_queue_reset_device(hso_dev->interface);
 		break;
 	default:
 		explanation = "unknown status";
@@ -1271,7 +1276,6 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
 		goto err_out;
 
 	D1("Opening %d", serial->minor);
-	kref_get(&serial->parent->ref);
 
 	/* setup */
 	tty->driver_data = serial;
@@ -1290,7 +1294,8 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp)
 		if (result) {
 			hso_stop_serial_device(serial->parent);
 			serial->port.count--;
-			kref_put(&serial->parent->ref, hso_serial_ref_free);
+		} else {
+			kref_get(&serial->parent->ref);
 		}
 	} else {
 		D1("Port was already open");
@@ -1340,8 +1345,6 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp)
 		usb_autopm_put_interface(serial->parent->interface);
 
 	mutex_unlock(&serial->parent->mutex);
-
-	kref_put(&serial->parent->ref, hso_serial_ref_free);
 }
 
 /* close the requested serial port */
@@ -1392,6 +1395,16 @@ static int hso_serial_write_room(struct tty_struct *tty)
 	return room;
 }
 
+static void hso_serial_cleanup(struct tty_struct *tty)
+{
+	struct hso_serial *serial = tty->driver_data;
+
+	if (!serial)
+		return;
+
+	kref_put(&serial->parent->ref, hso_serial_ref_free);
+}
+
 /* setup the term */
 static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old)
 {
@@ -2198,8 +2211,8 @@ static int hso_stop_serial_device(struct hso_device *hso_dev)
 
 	for (i = 0; i < serial->num_rx_urbs; i++) {
 		if (serial->rx_urb[i]) {
-				usb_kill_urb(serial->rx_urb[i]);
-				serial->rx_urb_filled[i] = 0;
+			usb_kill_urb(serial->rx_urb[i]);
+			serial->rx_urb_filled[i] = 0;
 		}
 	}
 	serial->curr_rx_urb_idx = 0;
@@ -2228,15 +2241,15 @@ static int hso_stop_serial_device(struct hso_device *hso_dev)
 	return 0;
 }
 
+static void hso_serial_tty_unregister(struct hso_serial *serial)
+{
+	tty_unregister_device(tty_drv, serial->minor);
+}
+
 static void hso_serial_common_free(struct hso_serial *serial)
 {
 	int i;
 
-	if (serial->parent->dev)
-		device_remove_file(serial->parent->dev, &dev_attr_hsotype);
-
-	tty_unregister_device(tty_drv, serial->minor);
-
 	for (i = 0; i < serial->num_rx_urbs; i++) {
 		/* unlink and free RX URB */
 		usb_free_urb(serial->rx_urb[i]);
@@ -2246,6 +2259,7 @@ static void hso_serial_common_free(struct hso_serial *serial)
 
 	/* unlink and free TX URB */
 	usb_free_urb(serial->tx_urb);
+	kfree(serial->tx_buffer);
 	kfree(serial->tx_data);
 	tty_port_destroy(&serial->port);
 }
@@ -2264,11 +2278,10 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
 		goto exit;
 
 	/* register our minor number */
-	serial->parent->dev = tty_port_register_device(&serial->port, tty_drv,
-			minor, &serial->parent->interface->dev);
+	serial->parent->dev = tty_port_register_device_attr(&serial->port,
+			tty_drv, minor, &serial->parent->interface->dev,
+			serial->parent, hso_serial_dev_groups);
 	dev = serial->parent->dev;
-	dev_set_drvdata(dev, serial->parent);
-	i = device_create_file(dev, &dev_attr_hsotype);
 
 	/* fill in specific data for later use */
 	serial->minor = minor;
@@ -2316,6 +2329,7 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
 
 	return 0;
 exit:
+	hso_serial_tty_unregister(serial);
 	hso_serial_common_free(serial);
 	return -1;
 }
@@ -2338,7 +2352,6 @@ static struct hso_device *hso_create_device(struct usb_interface *intf,
 
 	INIT_WORK(&hso_dev->async_get_intf, async_get_intf);
 	INIT_WORK(&hso_dev->async_put_intf, async_put_intf);
-	INIT_WORK(&hso_dev->reset_device, reset_device);
 
 	return hso_dev;
 }
@@ -2459,27 +2472,21 @@ static void hso_create_rfkill(struct hso_device *hso_dev,
 {
 	struct hso_net *hso_net = dev2net(hso_dev);
 	struct device *dev = &hso_net->net->dev;
-	char *rfkn;
+	static u32 rfkill_counter;
 
-	rfkn = kzalloc(20, GFP_KERNEL);
-	if (!rfkn)
-		dev_err(dev, "%s - Out of memory\n", __func__);
-
-	snprintf(rfkn, 20, "hso-%d",
-		 interface->altsetting->desc.bInterfaceNumber);
+	snprintf(hso_net->name, sizeof(hso_net->name), "hso-%d",
+		 rfkill_counter++);
 
-	hso_net->rfkill = rfkill_alloc(rfkn,
+	hso_net->rfkill = rfkill_alloc(hso_net->name,
 				       &interface_to_usbdev(interface)->dev,
 				       RFKILL_TYPE_WWAN,
 				       &hso_rfkill_ops, hso_dev);
 	if (!hso_net->rfkill) {
 		dev_err(dev, "%s - Out of memory\n", __func__);
-		kfree(rfkn);
 		return;
 	}
 	if (rfkill_register(hso_net->rfkill) < 0) {
 		rfkill_destroy(hso_net->rfkill);
-		kfree(rfkn);
 		hso_net->rfkill = NULL;
 		dev_err(dev, "%s - Failed to register rfkill\n", __func__);
 		return;
@@ -2594,7 +2601,6 @@ static void hso_free_serial_device(struct hso_device *hso_dev)
 
 	if (!serial)
 		return;
-	set_serial_by_index(serial->minor, NULL);
 
 	hso_serial_common_free(serial);
 
@@ -2684,6 +2690,7 @@ static struct hso_device *hso_create_bulk_serial_device(
 	return hso_dev;
 
 exit2:
+	hso_serial_tty_unregister(serial);
 	hso_serial_common_free(serial);
 exit:
 	hso_free_tiomget(serial);
@@ -3083,26 +3090,6 @@ out:
 	return result;
 }
 
-static void reset_device(struct work_struct *data)
-{
-	struct hso_device *hso_dev =
-	    container_of(data, struct hso_device, reset_device);
-	struct usb_device *usb = hso_dev->usb;
-	int result;
-
-	if (hso_dev->usb_gone) {
-		D1("No reset during disconnect\n");
-	} else {
-		result = usb_lock_device_for_reset(usb, hso_dev->interface);
-		if (result < 0)
-			D1("unable to lock device for reset: %d\n", result);
-		else {
-			usb_reset_device(usb);
-			usb_unlock_device(usb);
-		}
-	}
-}
-
 static void hso_serial_ref_free(struct kref *ref)
 {
 	struct hso_device *hso_dev = container_of(ref, struct hso_device, ref);
@@ -3112,18 +3099,22 @@ static void hso_serial_ref_free(struct kref *ref)
 
 static void hso_free_interface(struct usb_interface *interface)
 {
-	struct hso_serial *hso_dev;
+	struct hso_serial *serial;
 	int i;
 
 	for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) {
 		if (serial_table[i] &&
 		    (serial_table[i]->interface == interface)) {
-			hso_dev = dev2ser(serial_table[i]);
-			tty_port_tty_hangup(&hso_dev->port, false);
-			mutex_lock(&hso_dev->parent->mutex);
-			hso_dev->parent->usb_gone = 1;
-			mutex_unlock(&hso_dev->parent->mutex);
+			serial = dev2ser(serial_table[i]);
+			tty_port_tty_hangup(&serial->port, false);
+			mutex_lock(&serial->parent->mutex);
+			serial->parent->usb_gone = 1;
+			mutex_unlock(&serial->parent->mutex);
+			cancel_work_sync(&serial_table[i]->async_put_intf);
+			cancel_work_sync(&serial_table[i]->async_get_intf);
+			hso_serial_tty_unregister(serial);
 			kref_put(&serial_table[i]->ref, hso_serial_ref_free);
+			set_serial_by_index(i, NULL);
 		}
 	}
 
@@ -3215,6 +3206,7 @@ static const struct tty_operations hso_serial_ops = {
 	.close = hso_serial_close,
 	.write = hso_serial_write,
 	.write_room = hso_serial_write_room,
+	.cleanup = hso_serial_cleanup,
 	.ioctl = hso_serial_ioctl,
 	.set_termios = hso_serial_set_termios,
 	.chars_in_buffer = hso_serial_chars_in_buffer,
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index bf405f134d3a..5980ac6c48dd 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -27,7 +27,7 @@
 #include <linux/usb/cdc.h>
 
 /* Version Information */
-#define DRIVER_VERSION "v1.07.0 (2014/10/09)"
+#define DRIVER_VERSION "v1.08.0 (2015/01/13)"
 #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
 #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters"
 #define MODULENAME "r8152"
@@ -448,6 +448,7 @@ enum rtl_register_content {
 #define RTL8152_RMS		(VLAN_ETH_FRAME_LEN + VLAN_HLEN)
 #define RTL8153_RMS		RTL8153_MAX_PACKET
 #define RTL8152_TX_TIMEOUT	(5 * HZ)
+#define RTL8152_NAPI_WEIGHT	64
 
 /* rtl8152 flags */
 enum rtl8152_flags {
@@ -457,7 +458,7 @@ enum rtl8152_flags {
 	RTL8152_LINK_CHG,
 	SELECTIVE_SUSPEND,
 	PHY_RESET,
-	SCHEDULE_TASKLET,
+	SCHEDULE_NAPI,
 };
 
 /* Define these values to match your device */
@@ -488,16 +489,16 @@ struct rx_desc {
 #define RX_LEN_MASK			0x7fff
 
 	__le32 opts2;
-#define RD_UDP_CS			(1 << 23)
-#define RD_TCP_CS			(1 << 22)
-#define RD_IPV6_CS			(1 << 20)
-#define RD_IPV4_CS			(1 << 19)
+#define RD_UDP_CS			BIT(23)
+#define RD_TCP_CS			BIT(22)
+#define RD_IPV6_CS			BIT(20)
+#define RD_IPV4_CS			BIT(19)
 
 	__le32 opts3;
-#define IPF				(1 << 23) /* IP checksum fail */
-#define UDPF				(1 << 22) /* UDP checksum fail */
-#define TCPF				(1 << 21) /* TCP checksum fail */
-#define RX_VLAN_TAG			(1 << 16)
+#define IPF				BIT(23) /* IP checksum fail */
+#define UDPF				BIT(22) /* UDP checksum fail */
+#define TCPF				BIT(21) /* TCP checksum fail */
+#define RX_VLAN_TAG			BIT(16)
 
 	__le32 opts4;
 	__le32 opts5;
@@ -506,24 +507,24 @@ struct rx_desc {
 
 struct tx_desc {
 	__le32 opts1;
-#define TX_FS			(1 << 31) /* First segment of a packet */
-#define TX_LS			(1 << 30) /* Final segment of a packet */
-#define GTSENDV4		(1 << 28)
-#define GTSENDV6		(1 << 27)
+#define TX_FS			BIT(31) /* First segment of a packet */
+#define TX_LS			BIT(30) /* Final segment of a packet */
+#define GTSENDV4		BIT(28)
+#define GTSENDV6		BIT(27)
 #define GTTCPHO_SHIFT		18
 #define GTTCPHO_MAX		0x7fU
 #define TX_LEN_MAX		0x3ffffU
 
 	__le32 opts2;
-#define UDP_CS			(1 << 31) /* Calculate UDP/IP checksum */
-#define TCP_CS			(1 << 30) /* Calculate TCP/IP checksum */
-#define IPV4_CS			(1 << 29) /* Calculate IPv4 checksum */
-#define IPV6_CS			(1 << 28) /* Calculate IPv6 checksum */
+#define UDP_CS			BIT(31) /* Calculate UDP/IP checksum */
+#define TCP_CS			BIT(30) /* Calculate TCP/IP checksum */
+#define IPV4_CS			BIT(29) /* Calculate IPv4 checksum */
+#define IPV6_CS			BIT(28) /* Calculate IPv6 checksum */
 #define MSS_SHIFT		17
 #define MSS_MAX			0x7ffU
 #define TCPHO_SHIFT		17
 #define TCPHO_MAX		0x7ffU
-#define TX_VLAN_TAG			(1 << 16)
+#define TX_VLAN_TAG		BIT(16)
 };
 
 struct r8152;
@@ -549,14 +550,14 @@ struct tx_agg {
 struct r8152 {
 	unsigned long flags;
 	struct usb_device *udev;
-	struct tasklet_struct tl;
+	struct napi_struct napi;
 	struct usb_interface *intf;
 	struct net_device *netdev;
 	struct urb *intr_urb;
 	struct tx_agg tx_info[RTL8152_MAX_TX];
 	struct rx_agg rx_info[RTL8152_MAX_RX];
 	struct list_head rx_done, tx_free;
-	struct sk_buff_head tx_queue;
+	struct sk_buff_head tx_queue, rx_queue;
 	spinlock_t rx_lock, tx_lock;
 	struct delayed_work schedule;
 	struct mii_if_info mii;
@@ -580,7 +581,6 @@ struct r8152 {
 	u16 ocp_base;
 	u8 *intr_buff;
 	u8 version;
-	u8 speed;
 };
 
 enum rtl_version {
@@ -1050,7 +1050,7 @@ static void read_bulk_callback(struct urb *urb)
 		spin_lock(&tp->rx_lock);
 		list_add_tail(&agg->list, &tp->rx_done);
 		spin_unlock(&tp->rx_lock);
-		tasklet_schedule(&tp->tl);
+		napi_schedule(&tp->napi);
 		return;
 	case -ESHUTDOWN:
 		set_bit(RTL8152_UNPLUG, &tp->flags);
@@ -1114,7 +1114,7 @@ static void write_bulk_callback(struct urb *urb)
 		return;
 
 	if (!skb_queue_empty(&tp->tx_queue))
-		tasklet_schedule(&tp->tl);
+		napi_schedule(&tp->napi);
 }
 
 static void intr_callback(struct urb *urb)
@@ -1156,12 +1156,12 @@ static void intr_callback(struct urb *urb)
 
 	d = urb->transfer_buffer;
 	if (INTR_LINK & __le16_to_cpu(d[0])) {
-		if (!(tp->speed & LINK_STATUS)) {
+		if (!netif_carrier_ok(tp->netdev)) {
 			set_bit(RTL8152_LINK_CHG, &tp->flags);
 			schedule_delayed_work(&tp->schedule, 0);
 		}
 	} else {
-		if (tp->speed & LINK_STATUS) {
+		if (netif_carrier_ok(tp->netdev)) {
 			set_bit(RTL8152_LINK_CHG, &tp->flags);
 			schedule_delayed_work(&tp->schedule, 0);
 		}
@@ -1233,6 +1233,7 @@ static int alloc_all_mem(struct r8152 *tp)
 	spin_lock_init(&tp->tx_lock);
 	INIT_LIST_HEAD(&tp->tx_free);
 	skb_queue_head_init(&tp->tx_queue);
+	skb_queue_head_init(&tp->rx_queue);
 
 	for (i = 0; i < RTL8152_MAX_RX; i++) {
 		buf = kmalloc_node(agg_buf_sz, GFP_KERNEL, node);
@@ -1329,18 +1330,6 @@ static struct tx_agg *r8152_get_tx_agg(struct r8152 *tp)
 	return agg;
 }
 
-static inline __be16 get_protocol(struct sk_buff *skb)
-{
-	__be16 protocol;
-
-	if (skb->protocol == htons(ETH_P_8021Q))
-		protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
-	else
-		protocol = skb->protocol;
-
-	return protocol;
-}
-
 /* r8152_csum_workaround()
  * The hw limites the value the transport offset. When the offset is out of the
  * range, calculate the checksum by sw.
@@ -1409,10 +1398,10 @@ static int msdn_giant_send_check(struct sk_buff *skb)
 
 static inline void rtl_tx_vlan_tag(struct tx_desc *desc, struct sk_buff *skb)
 {
-	if (vlan_tx_tag_present(skb)) {
+	if (skb_vlan_tag_present(skb)) {
 		u32 opts2;
 
-		opts2 = TX_VLAN_TAG | swab16(vlan_tx_tag_get(skb));
+		opts2 = TX_VLAN_TAG | swab16(skb_vlan_tag_get(skb));
 		desc->opts2 |= cpu_to_le32(opts2);
 	}
 }
@@ -1446,7 +1435,7 @@ static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc,
 			goto unavailable;
 		}
 
-		switch (get_protocol(skb)) {
+		switch (vlan_get_protocol(skb)) {
 		case htons(ETH_P_IP):
 			opts1 |= GTSENDV4;
 			break;
@@ -1477,7 +1466,7 @@ static int r8152_tx_csum(struct r8152 *tp, struct tx_desc *desc,
 			goto unavailable;
 		}
 
-		switch (get_protocol(skb)) {
+		switch (vlan_get_protocol(skb)) {
 		case htons(ETH_P_IP):
 			opts2 |= IPV4_CS;
 			ip_protocol = ip_hdr(skb)->protocol;
@@ -1637,13 +1626,32 @@ return_result:
 	return checksum;
 }
 
-static void rx_bottom(struct r8152 *tp)
+static int rx_bottom(struct r8152 *tp, int budget)
 {
 	unsigned long flags;
 	struct list_head *cursor, *next, rx_queue;
+	int ret = 0, work_done = 0;
+
+	if (!skb_queue_empty(&tp->rx_queue)) {
+		while (work_done < budget) {
+			struct sk_buff *skb = __skb_dequeue(&tp->rx_queue);
+			struct net_device *netdev = tp->netdev;
+			struct net_device_stats *stats = &netdev->stats;
+			unsigned int pkt_len;
+
+			if (!skb)
+				break;
+
+			pkt_len = skb->len;
+			napi_gro_receive(&tp->napi, skb);
+			work_done++;
+			stats->rx_packets++;
+			stats->rx_bytes += pkt_len;
+		}
+	}
 
 	if (list_empty(&tp->rx_done))
-		return;
+		goto out1;
 
 	INIT_LIST_HEAD(&rx_queue);
 	spin_lock_irqsave(&tp->rx_lock, flags);
@@ -1696,9 +1704,14 @@ static void rx_bottom(struct r8152 *tp)
 			skb_put(skb, pkt_len);
 			skb->protocol = eth_type_trans(skb, netdev);
 			rtl_rx_vlan_tag(rx_desc, skb);
-			netif_receive_skb(skb);
-			stats->rx_packets++;
-			stats->rx_bytes += pkt_len;
+			if (work_done < budget) {
+				napi_gro_receive(&tp->napi, skb);
+				work_done++;
+				stats->rx_packets++;
+				stats->rx_bytes += pkt_len;
+			} else {
+				__skb_queue_tail(&tp->rx_queue, skb);
+			}
 
 find_next_rx:
 			rx_data = rx_agg_align(rx_data + pkt_len + CRC_SIZE);
@@ -1708,8 +1721,22 @@ find_next_rx:
 		}
 
 submit:
-		r8152_submit_rx(tp, agg, GFP_ATOMIC);
+		if (!ret) {
+			ret = r8152_submit_rx(tp, agg, GFP_ATOMIC);
+		} else {
+			urb->actual_length = 0;
+			list_add_tail(&agg->list, next);
+		}
 	}
+
+	if (!list_empty(&rx_queue)) {
+		spin_lock_irqsave(&tp->rx_lock, flags);
+		list_splice_tail(&rx_queue, &tp->rx_done);
+		spin_unlock_irqrestore(&tp->rx_lock, flags);
+	}
+
+out1:
+	return work_done;
 }
 
 static void tx_bottom(struct r8152 *tp)
@@ -1749,12 +1776,8 @@ static void tx_bottom(struct r8152 *tp)
 	} while (res == 0);
 }
 
-static void bottom_half(unsigned long data)
+static void bottom_half(struct r8152 *tp)
 {
-	struct r8152 *tp;
-
-	tp = (struct r8152 *)data;
-
 	if (test_bit(RTL8152_UNPLUG, &tp->flags))
 		return;
 
@@ -1766,17 +1789,38 @@ static void bottom_half(unsigned long data)
 	if (!netif_carrier_ok(tp->netdev))
 		return;
 
-	clear_bit(SCHEDULE_TASKLET, &tp->flags);
+	clear_bit(SCHEDULE_NAPI, &tp->flags);
 
-	rx_bottom(tp);
 	tx_bottom(tp);
 }
 
+static int r8152_poll(struct napi_struct *napi, int budget)
+{
+	struct r8152 *tp = container_of(napi, struct r8152, napi);
+	int work_done;
+
+	work_done = rx_bottom(tp, budget);
+	bottom_half(tp);
+
+	if (work_done < budget) {
+		napi_complete(napi);
+		if (!list_empty(&tp->rx_done))
+			napi_schedule(napi);
+	}
+
+	return work_done;
+}
+
 static
 int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
 {
 	int ret;
 
+	/* The rx would be stopped, so skip submitting */
+	if (test_bit(RTL8152_UNPLUG, &tp->flags) ||
+	    !test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev))
+		return 0;
+
 	usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
 			  agg->head, agg_buf_sz,
 			  (usb_complete_t)read_bulk_callback, agg);
@@ -1793,7 +1837,11 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
 		spin_lock_irqsave(&tp->rx_lock, flags);
 		list_add_tail(&agg->list, &tp->rx_done);
 		spin_unlock_irqrestore(&tp->rx_lock, flags);
-		tasklet_schedule(&tp->tl);
+
+		netif_err(tp, rx_err, tp->netdev,
+			  "Couldn't submit rx[%p], ret = %d\n", agg, ret);
+
+		napi_schedule(&tp->napi);
 	}
 
 	return ret;
@@ -1833,7 +1881,7 @@ static void rtl8152_set_rx_mode(struct net_device *netdev)
 {
 	struct r8152 *tp = netdev_priv(netdev);
 
-	if (tp->speed & LINK_STATUS) {
+	if (netif_carrier_ok(netdev)) {
 		set_bit(RTL8152_SET_RX_MODE, &tp->flags);
 		schedule_delayed_work(&tp->schedule, 0);
 	}
@@ -1912,11 +1960,11 @@ static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb,
 
 	if (!list_empty(&tp->tx_free)) {
 		if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
-			set_bit(SCHEDULE_TASKLET, &tp->flags);
+			set_bit(SCHEDULE_NAPI, &tp->flags);
 			schedule_delayed_work(&tp->schedule, 0);
 		} else {
 			usb_mark_last_busy(tp->udev);
-			tasklet_schedule(&tp->tl);
+			napi_schedule(&tp->napi);
 		}
 	} else if (skb_queue_len(&tp->tx_queue) > tp->tx_qlen) {
 		netif_stop_queue(netdev);
@@ -1995,6 +2043,7 @@ static int rtl_start_rx(struct r8152 *tp)
 {
 	int i, ret = 0;
 
+	napi_disable(&tp->napi);
 	INIT_LIST_HEAD(&tp->rx_done);
 	for (i = 0; i < RTL8152_MAX_RX; i++) {
 		INIT_LIST_HEAD(&tp->rx_info[i].list);
@@ -2002,6 +2051,7 @@ static int rtl_start_rx(struct r8152 *tp)
 		if (ret)
 			break;
 	}
+	napi_enable(&tp->napi);
 
 	if (ret && ++i < RTL8152_MAX_RX) {
 		struct list_head rx_queue;
@@ -2032,6 +2082,9 @@ static int rtl_stop_rx(struct r8152 *tp)
 	for (i = 0; i < RTL8152_MAX_RX; i++)
 		usb_kill_urb(tp->rx_info[i].urb);
 
+	while (!skb_queue_empty(&tp->rx_queue))
+		dev_kfree_skb(__skb_dequeue(&tp->rx_queue));
+
 	return 0;
 }
 
@@ -2047,7 +2100,7 @@ static int rtl_enable(struct r8152 *tp)
 
 	rxdy_gated_en(tp, false);
 
-	return rtl_start_rx(tp);
+	return 0;
 }
 
 static int rtl8152_enable(struct r8152 *tp)
@@ -2852,20 +2905,20 @@ static void set_carrier(struct r8152 *tp)
 	speed = rtl8152_get_speed(tp);
 
 	if (speed & LINK_STATUS) {
-		if (!(tp->speed & LINK_STATUS)) {
+		if (!netif_carrier_ok(netdev)) {
 			tp->rtl_ops.enable(tp);
 			set_bit(RTL8152_SET_RX_MODE, &tp->flags);
 			netif_carrier_on(netdev);
+			rtl_start_rx(tp);
 		}
 	} else {
-		if (tp->speed & LINK_STATUS) {
+		if (netif_carrier_ok(netdev)) {
 			netif_carrier_off(netdev);
-			tasklet_disable(&tp->tl);
+			napi_disable(&tp->napi);
 			tp->rtl_ops.disable(tp);
-			tasklet_enable(&tp->tl);
+			napi_enable(&tp->napi);
 		}
 	}
-	tp->speed = speed;
 }
 
 static void rtl_work_func_t(struct work_struct *work)
@@ -2895,10 +2948,11 @@ static void rtl_work_func_t(struct work_struct *work)
 	if (test_bit(RTL8152_SET_RX_MODE, &tp->flags))
 		_rtl8152_set_rx_mode(tp->netdev);
 
-	if (test_bit(SCHEDULE_TASKLET, &tp->flags) &&
-	    (tp->speed & LINK_STATUS)) {
-		clear_bit(SCHEDULE_TASKLET, &tp->flags);
-		tasklet_schedule(&tp->tl);
+	/* don't schedule napi before linking */
+	if (test_bit(SCHEDULE_NAPI, &tp->flags) &&
+	    netif_carrier_ok(tp->netdev)) {
+		clear_bit(SCHEDULE_NAPI, &tp->flags);
+		napi_schedule(&tp->napi);
 	}
 
 	if (test_bit(PHY_RESET, &tp->flags))
@@ -2919,8 +2973,7 @@ static int rtl8152_open(struct net_device *netdev)
 	if (res)
 		goto out;
 
-	/* set speed to 0 to avoid autoresume try to submit rx */
-	tp->speed = 0;
+	netif_carrier_off(netdev);
 
 	res = usb_autopm_get_interface(tp->intf);
 	if (res < 0) {
@@ -2937,7 +2990,7 @@ static int rtl8152_open(struct net_device *netdev)
 		cancel_delayed_work_sync(&tp->schedule);
 
 		/* disable the tx/rx, if the workqueue has enabled them. */
-		if (tp->speed & LINK_STATUS)
+		if (netif_carrier_ok(netdev))
 			tp->rtl_ops.disable(tp);
 	}
 
@@ -2946,7 +2999,6 @@ static int rtl8152_open(struct net_device *netdev)
 	rtl8152_set_speed(tp, AUTONEG_ENABLE,
 			  tp->mii.supports_gmii ? SPEED_1000 : SPEED_100,
 			  DUPLEX_FULL);
-	tp->speed = 0;
 	netif_carrier_off(netdev);
 	netif_start_queue(netdev);
 	set_bit(WORK_ENABLE, &tp->flags);
@@ -2959,7 +3011,7 @@ static int rtl8152_open(struct net_device *netdev)
 			   res);
 		free_all_mem(tp);
 	} else {
-		tasklet_enable(&tp->tl);
+		napi_enable(&tp->napi);
 	}
 
 	mutex_unlock(&tp->control);
@@ -2975,15 +3027,16 @@ static int rtl8152_close(struct net_device *netdev)
 	struct r8152 *tp = netdev_priv(netdev);
 	int res = 0;
 
-	tasklet_disable(&tp->tl);
+	napi_disable(&tp->napi);
 	clear_bit(WORK_ENABLE, &tp->flags);
 	usb_kill_urb(tp->intr_urb);
 	cancel_delayed_work_sync(&tp->schedule);
 	netif_stop_queue(netdev);
 
 	res = usb_autopm_get_interface(tp->intf);
-	if (res < 0) {
+	if (res < 0 || test_bit(RTL8152_UNPLUG, &tp->flags)) {
 		rtl_drop_queued_tx(tp);
+		rtl_stop_rx(tp);
 	} else {
 		mutex_lock(&tp->control);
 
@@ -3187,10 +3240,10 @@ static void r8153_init(struct r8152 *tp)
 
 	ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL);
 	ocp_data &= ~LPM_TIMER_MASK;
-	if (tp->udev->speed == USB_SPEED_SUPER)
-		ocp_data |= LPM_TIMER_500US;
-	else
+	if (tp->version == RTL_VER_04 && tp->udev->speed != USB_SPEED_SUPER)
 		ocp_data |= LPM_TIMER_500MS;
+	else
+		ocp_data |= LPM_TIMER_500US;
 	ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data);
 
 	ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2);
@@ -3239,7 +3292,7 @@ static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
 	if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
 		clear_bit(WORK_ENABLE, &tp->flags);
 		usb_kill_urb(tp->intr_urb);
-		tasklet_disable(&tp->tl);
+		napi_disable(&tp->napi);
 		if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
 			rtl_stop_rx(tp);
 			rtl_runtime_suspend_enable(tp, true);
@@ -3247,7 +3300,7 @@ static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
 			cancel_delayed_work_sync(&tp->schedule);
 			tp->rtl_ops.down(tp);
 		}
-		tasklet_enable(&tp->tl);
+		napi_enable(&tp->napi);
 	}
 out1:
 	mutex_unlock(&tp->control);
@@ -3271,7 +3324,7 @@ static int rtl8152_resume(struct usb_interface *intf)
 			rtl_runtime_suspend_enable(tp, false);
 			clear_bit(SELECTIVE_SUSPEND, &tp->flags);
 			set_bit(WORK_ENABLE, &tp->flags);
-			if (tp->speed & LINK_STATUS)
+			if (netif_carrier_ok(tp->netdev))
 				rtl_start_rx(tp);
 		} else {
 			tp->rtl_ops.up(tp);
@@ -3279,7 +3332,6 @@ static int rtl8152_resume(struct usb_interface *intf)
 					  tp->mii.supports_gmii ?
 					  SPEED_1000 : SPEED_100,
 					  DUPLEX_FULL);
-			tp->speed = 0;
 			netif_carrier_off(tp->netdev);
 			set_bit(WORK_ENABLE, &tp->flags);
 		}
@@ -3831,7 +3883,6 @@ static int rtl8152_probe(struct usb_interface *intf,
 	if (ret)
 		goto out;
 
-	tasklet_init(&tp->tl, bottom_half, (unsigned long)tp);
 	mutex_init(&tp->control);
 	INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t);
 
@@ -3845,8 +3896,7 @@ static int rtl8152_probe(struct usb_interface *intf,
 	netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
 			      NETIF_F_TSO | NETIF_F_FRAGLIST |
 			      NETIF_F_IPV6_CSUM | NETIF_F_TSO6 |
-			      NETIF_F_HW_VLAN_CTAG_RX |
-			      NETIF_F_HW_VLAN_CTAG_TX;
+			      NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX;
 	netdev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
 				NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
 				NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
@@ -3867,6 +3917,7 @@ static int rtl8152_probe(struct usb_interface *intf,
 	set_ethernet_addr(tp);
 
 	usb_set_intfdata(intf, tp);
+	netif_napi_add(netdev, &tp->napi, r8152_poll, RTL8152_NAPI_WEIGHT);
 
 	ret = register_netdev(netdev);
 	if (ret != 0) {
@@ -3880,15 +3931,13 @@ static int rtl8152_probe(struct usb_interface *intf,
 	else
 		device_set_wakeup_enable(&udev->dev, false);
 
-	tasklet_disable(&tp->tl);
-
 	netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);
 
 	return 0;
 
 out1:
+	netif_napi_del(&tp->napi);
 	usb_set_intfdata(intf, NULL);
-	tasklet_kill(&tp->tl);
 out:
 	free_netdev(netdev);
 	return ret;
@@ -3905,7 +3954,7 @@ static void rtl8152_disconnect(struct usb_interface *intf)
 		if (udev->state == USB_STATE_NOTATTACHED)
 			set_bit(RTL8152_UNPLUG, &tp->flags);
 
-		tasklet_kill(&tp->tl);
+		netif_napi_del(&tp->napi);
 		unregister_netdev(tp->netdev);
 		tp->rtl_ops.unload(tp);
 		free_netdev(tp->netdev);
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 3a6770a65d78..449835f4331e 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -160,20 +160,19 @@ EXPORT_SYMBOL_GPL(usbnet_get_endpoints);
 
 int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress)
 {
-	int 		tmp, i;
+	int 		tmp = -1, ret;
 	unsigned char	buf [13];
 
-	tmp = usb_string(dev->udev, iMACAddress, buf, sizeof buf);
-	if (tmp != 12) {
+	ret = usb_string(dev->udev, iMACAddress, buf, sizeof buf);
+	if (ret == 12)
+		tmp = hex2bin(dev->net->dev_addr, buf, 6);
+	if (tmp < 0) {
 		dev_dbg(&dev->udev->dev,
 			"bad MAC string %d fetch, %d\n", iMACAddress, tmp);
-		if (tmp >= 0)
-			tmp = -EINVAL;
-		return tmp;
+		if (ret >= 0)
+			ret = -EINVAL;
+		return ret;
 	}
-	for (i = tmp = 0; i < 6; i++, tmp += 2)
-		dev->net->dev_addr [i] =
-			(hex_to_bin(buf[tmp]) << 4) + hex_to_bin(buf[tmp + 1]);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(usbnet_get_ethernet_addr);