Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1494 insertions, 0 deletions

diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c
new file mode 100644
index 000000000..7b8afa589
--- /dev/null
+++ b/drivers/net/usb/aqc111.c
@@ -0,0 +1,1494 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Aquantia Corp. Aquantia AQtion USB to 5GbE Controller
+ * Copyright (C) 2003-2005 David Hollis <dhollis@davehollis.com>
+ * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
+ * Copyright (C) 2002-2003 TiVo Inc.
+ * Copyright (C) 2017-2018 ASIX
+ * Copyright (C) 2018 Aquantia Corp.
+ */
+
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/if_vlan.h>
+#include <linux/usb/cdc.h>
+#include <linux/usb/usbnet.h>
+#include <linux/linkmode.h>
+
+#include "aqc111.h"
+
+#define DRIVER_NAME "aqc111"
+
+static int aqc111_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
+				u16 index, u16 size, void *data)
+{
+	int ret;
+
+	ret = usbnet_read_cmd_nopm(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR |
+				   USB_RECIP_DEVICE, value, index, data, size);
+
+	if (unlikely(ret < 0))
+		netdev_warn(dev->net,
+			    "Failed to read(0x%x) reg index 0x%04x: %d\n",
+			    cmd, index, ret);
+
+	return ret;
+}
+
+static int aqc111_read_cmd(struct usbnet *dev, u8 cmd, u16 value,
+			   u16 index, u16 size, void *data)
+{
+	int ret;
+
+	ret = usbnet_read_cmd(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR |
+			      USB_RECIP_DEVICE, value, index, data, size);
+
+	if (unlikely(ret < 0))
+		netdev_warn(dev->net,
+			    "Failed to read(0x%x) reg index 0x%04x: %d\n",
+			    cmd, index, ret);
+
+	return ret;
+}
+
+static int aqc111_read16_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
+				  u16 index, u16 *data)
+{
+	int ret = 0;
+
+	ret = aqc111_read_cmd_nopm(dev, cmd, value, index, sizeof(*data), data);
+	le16_to_cpus(data);
+
+	return ret;
+}
+
+static int aqc111_read16_cmd(struct usbnet *dev, u8 cmd, u16 value,
+			     u16 index, u16 *data)
+{
+	int ret = 0;
+
+	ret = aqc111_read_cmd(dev, cmd, value, index, sizeof(*data), data);
+	le16_to_cpus(data);
+
+	return ret;
+}
+
+static int __aqc111_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype,
+			      u16 value, u16 index, u16 size, const void *data)
+{
+	int err = -ENOMEM;
+	void *buf = NULL;
+
+	netdev_dbg(dev->net,
+		   "%s cmd=%#x reqtype=%#x value=%#x index=%#x size=%d\n",
+		   __func__, cmd, reqtype, value, index, size);
+
+	if (data) {
+		buf = kmemdup(data, size, GFP_KERNEL);
+		if (!buf)
+			goto out;
+	}
+
+	err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
+			      cmd, reqtype, value, index, buf, size,
+			      (cmd == AQ_PHY_POWER) ? AQ_USB_PHY_SET_TIMEOUT :
+			      AQ_USB_SET_TIMEOUT);
+
+	if (unlikely(err < 0))
+		netdev_warn(dev->net,
+			    "Failed to write(0x%x) reg index 0x%04x: %d\n",
+			    cmd, index, err);
+	kfree(buf);
+
+out:
+	return err;
+}
+
+static int aqc111_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
+				 u16 index, u16 size, void *data)
+{
+	int ret;
+
+	ret = __aqc111_write_cmd(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
+				 USB_RECIP_DEVICE, value, index, size, data);
+
+	return ret;
+}
+
+static int aqc111_write_cmd(struct usbnet *dev, u8 cmd, u16 value,
+			    u16 index, u16 size, const void *data)
+{
+	int ret;
+
+	if (usb_autopm_get_interface(dev->intf) < 0)
+		return -ENODEV;
+
+	ret = __aqc111_write_cmd(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
+				 USB_RECIP_DEVICE, value, index, size, data);
+
+	usb_autopm_put_interface(dev->intf);
+
+	return ret;
+}
+
+static int aqc111_write16_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
+				   u16 index, u16 *data)
+{
+	u16 tmp = *data;
+
+	cpu_to_le16s(&tmp);
+
+	return aqc111_write_cmd_nopm(dev, cmd, value, index, sizeof(tmp), &tmp);
+}
+
+static int aqc111_write16_cmd(struct usbnet *dev, u8 cmd, u16 value,
+			      u16 index, u16 *data)
+{
+	u16 tmp = *data;
+
+	cpu_to_le16s(&tmp);
+
+	return aqc111_write_cmd(dev, cmd, value, index, sizeof(tmp), &tmp);
+}
+
+static int aqc111_write32_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
+				   u16 index, u32 *data)
+{
+	u32 tmp = *data;
+
+	cpu_to_le32s(&tmp);
+
+	return aqc111_write_cmd_nopm(dev, cmd, value, index, sizeof(tmp), &tmp);
+}
+
+static int aqc111_write32_cmd(struct usbnet *dev, u8 cmd, u16 value,
+			      u16 index, u32 *data)
+{
+	u32 tmp = *data;
+
+	cpu_to_le32s(&tmp);
+
+	return aqc111_write_cmd(dev, cmd, value, index, sizeof(tmp), &tmp);
+}
+
+static int aqc111_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
+				  u16 index, u16 size, void *data)
+{
+	return usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
+				      USB_RECIP_DEVICE, value, index, data,
+				      size);
+}
+
+static int aqc111_write16_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
+				    u16 index, u16 *data)
+{
+	u16 tmp = *data;
+
+	cpu_to_le16s(&tmp);
+
+	return aqc111_write_cmd_async(dev, cmd, value, index,
+				      sizeof(tmp), &tmp);
+}
+
+static void aqc111_get_drvinfo(struct net_device *net,
+			       struct ethtool_drvinfo *info)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+
+	/* Inherit standard device info */
+	usbnet_get_drvinfo(net, info);
+	strscpy(info->driver, DRIVER_NAME, sizeof(info->driver));
+	snprintf(info->fw_version, sizeof(info->fw_version), "%u.%u.%u",
+		 aqc111_data->fw_ver.major,
+		 aqc111_data->fw_ver.minor,
+		 aqc111_data->fw_ver.rev);
+	info->eedump_len = 0x00;
+	info->regdump_len = 0x00;
+}
+
+static void aqc111_get_wol(struct net_device *net,
+			   struct ethtool_wolinfo *wolinfo)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+
+	wolinfo->supported = WAKE_MAGIC;
+	wolinfo->wolopts = 0;
+
+	if (aqc111_data->wol_flags & AQ_WOL_FLAG_MP)
+		wolinfo->wolopts |= WAKE_MAGIC;
+}
+
+static int aqc111_set_wol(struct net_device *net,
+			  struct ethtool_wolinfo *wolinfo)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+
+	if (wolinfo->wolopts & ~WAKE_MAGIC)
+		return -EINVAL;
+
+	aqc111_data->wol_flags = 0;
+	if (wolinfo->wolopts & WAKE_MAGIC)
+		aqc111_data->wol_flags |= AQ_WOL_FLAG_MP;
+
+	return 0;
+}
+
+static void aqc111_speed_to_link_mode(u32 speed,
+				      struct ethtool_link_ksettings *elk)
+{
+	switch (speed) {
+	case SPEED_5000:
+		ethtool_link_ksettings_add_link_mode(elk, advertising,
+						     5000baseT_Full);
+		break;
+	case SPEED_2500:
+		ethtool_link_ksettings_add_link_mode(elk, advertising,
+						     2500baseT_Full);
+		break;
+	case SPEED_1000:
+		ethtool_link_ksettings_add_link_mode(elk, advertising,
+						     1000baseT_Full);
+		break;
+	case SPEED_100:
+		ethtool_link_ksettings_add_link_mode(elk, advertising,
+						     100baseT_Full);
+		break;
+	}
+}
+
+static int aqc111_get_link_ksettings(struct net_device *net,
+				     struct ethtool_link_ksettings *elk)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	enum usb_device_speed usb_speed = dev->udev->speed;
+	u32 speed = SPEED_UNKNOWN;
+
+	ethtool_link_ksettings_zero_link_mode(elk, supported);
+	ethtool_link_ksettings_add_link_mode(elk, supported,
+					     100baseT_Full);
+	ethtool_link_ksettings_add_link_mode(elk, supported,
+					     1000baseT_Full);
+	if (usb_speed == USB_SPEED_SUPER) {
+		ethtool_link_ksettings_add_link_mode(elk, supported,
+						     2500baseT_Full);
+		ethtool_link_ksettings_add_link_mode(elk, supported,
+						     5000baseT_Full);
+	}
+	ethtool_link_ksettings_add_link_mode(elk, supported, TP);
+	ethtool_link_ksettings_add_link_mode(elk, supported, Autoneg);
+
+	elk->base.port = PORT_TP;
+	elk->base.transceiver = XCVR_INTERNAL;
+
+	elk->base.mdio_support = 0x00; /*Not supported*/
+
+	if (aqc111_data->autoneg)
+		linkmode_copy(elk->link_modes.advertising,
+			      elk->link_modes.supported);
+	else
+		aqc111_speed_to_link_mode(aqc111_data->advertised_speed, elk);
+
+	elk->base.autoneg = aqc111_data->autoneg;
+
+	switch (aqc111_data->link_speed) {
+	case AQ_INT_SPEED_5G:
+		speed = SPEED_5000;
+		break;
+	case AQ_INT_SPEED_2_5G:
+		speed = SPEED_2500;
+		break;
+	case AQ_INT_SPEED_1G:
+		speed = SPEED_1000;
+		break;
+	case AQ_INT_SPEED_100M:
+		speed = SPEED_100;
+		break;
+	}
+	elk->base.duplex = DUPLEX_FULL;
+	elk->base.speed = speed;
+
+	return 0;
+}
+
+static void aqc111_set_phy_speed(struct usbnet *dev, u8 autoneg, u16 speed)
+{
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+
+	aqc111_data->phy_cfg &= ~AQ_ADV_MASK;
+	aqc111_data->phy_cfg |= AQ_PAUSE;
+	aqc111_data->phy_cfg |= AQ_ASYM_PAUSE;
+	aqc111_data->phy_cfg |= AQ_DOWNSHIFT;
+	aqc111_data->phy_cfg &= ~AQ_DSH_RETRIES_MASK;
+	aqc111_data->phy_cfg |= (3 << AQ_DSH_RETRIES_SHIFT) &
+				AQ_DSH_RETRIES_MASK;
+
+	if (autoneg == AUTONEG_ENABLE) {
+		switch (speed) {
+		case SPEED_5000:
+			aqc111_data->phy_cfg |= AQ_ADV_5G;
+			fallthrough;
+		case SPEED_2500:
+			aqc111_data->phy_cfg |= AQ_ADV_2G5;
+			fallthrough;
+		case SPEED_1000:
+			aqc111_data->phy_cfg |= AQ_ADV_1G;
+			fallthrough;
+		case SPEED_100:
+			aqc111_data->phy_cfg |= AQ_ADV_100M;
+			/* fall-through */
+		}
+	} else {
+		switch (speed) {
+		case SPEED_5000:
+			aqc111_data->phy_cfg |= AQ_ADV_5G;
+			break;
+		case SPEED_2500:
+			aqc111_data->phy_cfg |= AQ_ADV_2G5;
+			break;
+		case SPEED_1000:
+			aqc111_data->phy_cfg |= AQ_ADV_1G;
+			break;
+		case SPEED_100:
+			aqc111_data->phy_cfg |= AQ_ADV_100M;
+			break;
+		}
+	}
+
+	aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0, &aqc111_data->phy_cfg);
+}
+
+static int aqc111_set_link_ksettings(struct net_device *net,
+				     const struct ethtool_link_ksettings *elk)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	enum usb_device_speed usb_speed = dev->udev->speed;
+	u8 autoneg = elk->base.autoneg;
+	u32 speed = elk->base.speed;
+
+	if (autoneg == AUTONEG_ENABLE) {
+		if (aqc111_data->autoneg != AUTONEG_ENABLE) {
+			aqc111_data->autoneg = AUTONEG_ENABLE;
+			aqc111_data->advertised_speed =
+					(usb_speed == USB_SPEED_SUPER) ?
+					 SPEED_5000 : SPEED_1000;
+			aqc111_set_phy_speed(dev, aqc111_data->autoneg,
+					     aqc111_data->advertised_speed);
+		}
+	} else {
+		if (speed != SPEED_100 &&
+		    speed != SPEED_1000 &&
+		    speed != SPEED_2500 &&
+		    speed != SPEED_5000 &&
+		    speed != SPEED_UNKNOWN)
+			return -EINVAL;
+
+		if (elk->base.duplex != DUPLEX_FULL)
+			return -EINVAL;
+
+		if (usb_speed != USB_SPEED_SUPER && speed > SPEED_1000)
+			return -EINVAL;
+
+		aqc111_data->autoneg = AUTONEG_DISABLE;
+		if (speed != SPEED_UNKNOWN)
+			aqc111_data->advertised_speed = speed;
+
+		aqc111_set_phy_speed(dev, aqc111_data->autoneg,
+				     aqc111_data->advertised_speed);
+	}
+
+	return 0;
+}
+
+static const struct ethtool_ops aqc111_ethtool_ops = {
+	.get_drvinfo = aqc111_get_drvinfo,
+	.get_wol = aqc111_get_wol,
+	.set_wol = aqc111_set_wol,
+	.get_msglevel = usbnet_get_msglevel,
+	.set_msglevel = usbnet_set_msglevel,
+	.get_link = ethtool_op_get_link,
+	.get_link_ksettings = aqc111_get_link_ksettings,
+	.set_link_ksettings = aqc111_set_link_ksettings
+};
+
+static int aqc111_change_mtu(struct net_device *net, int new_mtu)
+{
+	struct usbnet *dev = netdev_priv(net);
+	u16 reg16 = 0;
+	u8 buf[5];
+
+	net->mtu = new_mtu;
+	dev->hard_mtu = net->mtu + net->hard_header_len;
+
+	aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+			  2, &reg16);
+	if (net->mtu > 1500)
+		reg16 |= SFR_MEDIUM_JUMBO_EN;
+	else
+		reg16 &= ~SFR_MEDIUM_JUMBO_EN;
+
+	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+			   2, &reg16);
+
+	if (dev->net->mtu > 12500) {
+		memcpy(buf, &AQC111_BULKIN_SIZE[2], 5);
+		/* RX bulk configuration */
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RX_BULKIN_QCTRL,
+				 5, 5, buf);
+	}
+
+	/* Set high low water level */
+	if (dev->net->mtu <= 4500)
+		reg16 = 0x0810;
+	else if (dev->net->mtu <= 9500)
+		reg16 = 0x1020;
+	else if (dev->net->mtu <= 12500)
+		reg16 = 0x1420;
+	else
+		reg16 = 0x1A20;
+
+	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_PAUSE_WATERLVL_LOW,
+			   2, &reg16);
+
+	return 0;
+}
+
+static int aqc111_set_mac_addr(struct net_device *net, void *p)
+{
+	struct usbnet *dev = netdev_priv(net);
+	int ret = 0;
+
+	ret = eth_mac_addr(net, p);
+	if (ret < 0)
+		return ret;
+
+	/* Set the MAC address */
+	return aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_NODE_ID, ETH_ALEN,
+				ETH_ALEN, net->dev_addr);
+}
+
+static int aqc111_vlan_rx_kill_vid(struct net_device *net,
+				   __be16 proto, u16 vid)
+{
+	struct usbnet *dev = netdev_priv(net);
+	u8 vlan_ctrl = 0;
+	u16 reg16 = 0;
+	u8 reg8 = 0;
+
+	aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
+	vlan_ctrl = reg8;
+
+	/* Address */
+	reg8 = (vid / 16);
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_ADDRESS, 1, 1, &reg8);
+	/* Data */
+	reg8 = vlan_ctrl | SFR_VLAN_CONTROL_RD;
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
+	aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, &reg16);
+	reg16 &= ~(1 << (vid % 16));
+	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, &reg16);
+	reg8 = vlan_ctrl | SFR_VLAN_CONTROL_WE;
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
+
+	return 0;
+}
+
+static int aqc111_vlan_rx_add_vid(struct net_device *net, __be16 proto, u16 vid)
+{
+	struct usbnet *dev = netdev_priv(net);
+	u8 vlan_ctrl = 0;
+	u16 reg16 = 0;
+	u8 reg8 = 0;
+
+	aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
+	vlan_ctrl = reg8;
+
+	/* Address */
+	reg8 = (vid / 16);
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_ADDRESS, 1, 1, &reg8);
+	/* Data */
+	reg8 = vlan_ctrl | SFR_VLAN_CONTROL_RD;
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
+	aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, &reg16);
+	reg16 |= (1 << (vid % 16));
+	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_DATA0, 2, &reg16);
+	reg8 = vlan_ctrl | SFR_VLAN_CONTROL_WE;
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
+
+	return 0;
+}
+
+static void aqc111_set_rx_mode(struct net_device *net)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	int mc_count = 0;
+
+	mc_count = netdev_mc_count(net);
+
+	aqc111_data->rxctl &= ~(SFR_RX_CTL_PRO | SFR_RX_CTL_AMALL |
+				SFR_RX_CTL_AM);
+
+	if (net->flags & IFF_PROMISC) {
+		aqc111_data->rxctl |= SFR_RX_CTL_PRO;
+	} else if ((net->flags & IFF_ALLMULTI) || mc_count > AQ_MAX_MCAST) {
+		aqc111_data->rxctl |= SFR_RX_CTL_AMALL;
+	} else if (!netdev_mc_empty(net)) {
+		u8 m_filter[AQ_MCAST_FILTER_SIZE] = { 0 };
+		struct netdev_hw_addr *ha = NULL;
+		u32 crc_bits = 0;
+
+		netdev_for_each_mc_addr(ha, net) {
+			crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
+			m_filter[crc_bits >> 3] |= BIT(crc_bits & 7);
+		}
+
+		aqc111_write_cmd_async(dev, AQ_ACCESS_MAC,
+				       SFR_MULTI_FILTER_ARRY,
+				       AQ_MCAST_FILTER_SIZE,
+				       AQ_MCAST_FILTER_SIZE, m_filter);
+
+		aqc111_data->rxctl |= SFR_RX_CTL_AM;
+	}
+
+	aqc111_write16_cmd_async(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
+				 2, &aqc111_data->rxctl);
+}
+
+static int aqc111_set_features(struct net_device *net,
+			       netdev_features_t features)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	netdev_features_t changed = net->features ^ features;
+	u16 reg16 = 0;
+	u8 reg8 = 0;
+
+	if (changed & NETIF_F_IP_CSUM) {
+		aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL, 1, 1, &reg8);
+		reg8 ^= SFR_TXCOE_TCP | SFR_TXCOE_UDP;
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL,
+				 1, 1, &reg8);
+	}
+
+	if (changed & NETIF_F_IPV6_CSUM) {
+		aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL, 1, 1, &reg8);
+		reg8 ^= SFR_TXCOE_TCPV6 | SFR_TXCOE_UDPV6;
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL,
+				 1, 1, &reg8);
+	}
+
+	if (changed & NETIF_F_RXCSUM) {
+		aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_RXCOE_CTL, 1, 1, &reg8);
+		if (features & NETIF_F_RXCSUM) {
+			aqc111_data->rx_checksum = 1;
+			reg8 &= ~(SFR_RXCOE_IP | SFR_RXCOE_TCP | SFR_RXCOE_UDP |
+				  SFR_RXCOE_TCPV6 | SFR_RXCOE_UDPV6);
+		} else {
+			aqc111_data->rx_checksum = 0;
+			reg8 |= SFR_RXCOE_IP | SFR_RXCOE_TCP | SFR_RXCOE_UDP |
+				SFR_RXCOE_TCPV6 | SFR_RXCOE_UDPV6;
+		}
+
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RXCOE_CTL,
+				 1, 1, &reg8);
+	}
+	if (changed & NETIF_F_HW_VLAN_CTAG_FILTER) {
+		if (features & NETIF_F_HW_VLAN_CTAG_FILTER) {
+			u16 i = 0;
+
+			for (i = 0; i < 256; i++) {
+				/* Address */
+				reg8 = i;
+				aqc111_write_cmd(dev, AQ_ACCESS_MAC,
+						 SFR_VLAN_ID_ADDRESS,
+						 1, 1, &reg8);
+				/* Data */
+				aqc111_write16_cmd(dev, AQ_ACCESS_MAC,
+						   SFR_VLAN_ID_DATA0,
+						   2, &reg16);
+				reg8 = SFR_VLAN_CONTROL_WE;
+				aqc111_write_cmd(dev, AQ_ACCESS_MAC,
+						 SFR_VLAN_ID_CONTROL,
+						 1, 1, &reg8);
+			}
+			aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL,
+					1, 1, &reg8);
+			reg8 |= SFR_VLAN_CONTROL_VFE;
+			aqc111_write_cmd(dev, AQ_ACCESS_MAC,
+					 SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
+		} else {
+			aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL,
+					1, 1, &reg8);
+			reg8 &= ~SFR_VLAN_CONTROL_VFE;
+			aqc111_write_cmd(dev, AQ_ACCESS_MAC,
+					 SFR_VLAN_ID_CONTROL, 1, 1, &reg8);
+		}
+	}
+
+	return 0;
+}
+
+static const struct net_device_ops aqc111_netdev_ops = {
+	.ndo_open		= usbnet_open,
+	.ndo_stop		= usbnet_stop,
+	.ndo_start_xmit		= usbnet_start_xmit,
+	.ndo_tx_timeout		= usbnet_tx_timeout,
+	.ndo_get_stats64	= dev_get_tstats64,
+	.ndo_change_mtu		= aqc111_change_mtu,
+	.ndo_set_mac_address	= aqc111_set_mac_addr,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_vlan_rx_add_vid	= aqc111_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid	= aqc111_vlan_rx_kill_vid,
+	.ndo_set_rx_mode	= aqc111_set_rx_mode,
+	.ndo_set_features	= aqc111_set_features,
+};
+
+static int aqc111_read_perm_mac(struct usbnet *dev)
+{
+	u8 buf[ETH_ALEN];
+	int ret;
+
+	ret = aqc111_read_cmd(dev, AQ_FLASH_PARAMETERS, 0, 0, ETH_ALEN, buf);
+	if (ret < 0)
+		goto out;
+
+	ether_addr_copy(dev->net->perm_addr, buf);
+
+	return 0;
+out:
+	return ret;
+}
+
+static void aqc111_read_fw_version(struct usbnet *dev,
+				   struct aqc111_data *aqc111_data)
+{
+	aqc111_read_cmd(dev, AQ_ACCESS_MAC, AQ_FW_VER_MAJOR,
+			1, 1, &aqc111_data->fw_ver.major);
+	aqc111_read_cmd(dev, AQ_ACCESS_MAC, AQ_FW_VER_MINOR,
+			1, 1, &aqc111_data->fw_ver.minor);
+	aqc111_read_cmd(dev, AQ_ACCESS_MAC, AQ_FW_VER_REV,
+			1, 1, &aqc111_data->fw_ver.rev);
+
+	if (aqc111_data->fw_ver.major & 0x80)
+		aqc111_data->fw_ver.major &= ~0x80;
+}
+
+static int aqc111_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+	struct usb_device *udev = interface_to_usbdev(intf);
+	enum usb_device_speed usb_speed = udev->speed;
+	struct aqc111_data *aqc111_data;
+	int ret;
+
+	/* Check if vendor configuration */
+	if (udev->actconfig->desc.bConfigurationValue != 1) {
+		usb_driver_set_configuration(udev, 1);
+		return -ENODEV;
+	}
+
+	usb_reset_configuration(dev->udev);
+
+	ret = usbnet_get_endpoints(dev, intf);
+	if (ret < 0) {
+		netdev_dbg(dev->net, "usbnet_get_endpoints failed");
+		return ret;
+	}
+
+	aqc111_data = kzalloc(sizeof(*aqc111_data), GFP_KERNEL);
+	if (!aqc111_data)
+		return -ENOMEM;
+
+	/* store aqc111_data pointer in device data field */
+	dev->driver_priv = aqc111_data;
+
+	/* Init the MAC address */
+	ret = aqc111_read_perm_mac(dev);
+	if (ret)
+		goto out;
+
+	eth_hw_addr_set(dev->net, dev->net->perm_addr);
+
+	/* Set Rx urb size */
+	dev->rx_urb_size = URB_SIZE;
+
+	/* Set TX needed headroom & tailroom */
+	dev->net->needed_headroom += sizeof(u64);
+	dev->net->needed_tailroom += sizeof(u64);
+
+	dev->net->max_mtu = 16334;
+
+	dev->net->netdev_ops = &aqc111_netdev_ops;
+	dev->net->ethtool_ops = &aqc111_ethtool_ops;
+
+	if (usb_device_no_sg_constraint(dev->udev))
+		dev->can_dma_sg = 1;
+
+	dev->net->hw_features |= AQ_SUPPORT_HW_FEATURE;
+	dev->net->features |= AQ_SUPPORT_FEATURE;
+	dev->net->vlan_features |= AQ_SUPPORT_VLAN_FEATURE;
+
+	netif_set_tso_max_size(dev->net, 65535);
+
+	aqc111_read_fw_version(dev, aqc111_data);
+	aqc111_data->autoneg = AUTONEG_ENABLE;
+	aqc111_data->advertised_speed = (usb_speed == USB_SPEED_SUPER) ?
+					 SPEED_5000 : SPEED_1000;
+
+	return 0;
+
+out:
+	kfree(aqc111_data);
+	return ret;
+}
+
+static void aqc111_unbind(struct usbnet *dev, struct usb_interface *intf)
+{
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	u16 reg16;
+
+	/* Force bz */
+	reg16 = SFR_PHYPWR_RSTCTL_BZ;
+	aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL,
+				2, &reg16);
+	reg16 = 0;
+	aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL,
+				2, &reg16);
+
+	/* Power down ethernet PHY */
+	aqc111_data->phy_cfg &= ~AQ_ADV_MASK;
+	aqc111_data->phy_cfg |= AQ_LOW_POWER;
+	aqc111_data->phy_cfg &= ~AQ_PHY_POWER_EN;
+	aqc111_write32_cmd_nopm(dev, AQ_PHY_OPS, 0, 0,
+				&aqc111_data->phy_cfg);
+
+	kfree(aqc111_data);
+}
+
+static void aqc111_status(struct usbnet *dev, struct urb *urb)
+{
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	u64 *event_data = NULL;
+	int link = 0;
+
+	if (urb->actual_length < sizeof(*event_data))
+		return;
+
+	event_data = urb->transfer_buffer;
+	le64_to_cpus(event_data);
+
+	if (*event_data & AQ_LS_MASK)
+		link = 1;
+	else
+		link = 0;
+
+	aqc111_data->link_speed = (*event_data & AQ_SPEED_MASK) >>
+				  AQ_SPEED_SHIFT;
+	aqc111_data->link = link;
+
+	if (netif_carrier_ok(dev->net) != link)
+		usbnet_defer_kevent(dev, EVENT_LINK_RESET);
+}
+
+static void aqc111_configure_rx(struct usbnet *dev,
+				struct aqc111_data *aqc111_data)
+{
+	enum usb_device_speed usb_speed = dev->udev->speed;
+	u16 link_speed = 0, usb_host = 0;
+	u8 buf[5] = { 0 };
+	u8 queue_num = 0;
+	u16 reg16 = 0;
+	u8 reg8 = 0;
+
+	buf[0] = 0x00;
+	buf[1] = 0xF8;
+	buf[2] = 0x07;
+	switch (aqc111_data->link_speed) {
+	case AQ_INT_SPEED_5G:
+		link_speed = 5000;
+		reg8 = 0x05;
+		reg16 = 0x001F;
+		break;
+	case AQ_INT_SPEED_2_5G:
+		link_speed = 2500;
+		reg16 = 0x003F;
+		break;
+	case AQ_INT_SPEED_1G:
+		link_speed = 1000;
+		reg16 = 0x009F;
+		break;
+	case AQ_INT_SPEED_100M:
+		link_speed = 100;
+		queue_num = 1;
+		reg16 = 0x063F;
+		buf[1] = 0xFB;
+		buf[2] = 0x4;
+		break;
+	}
+
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_INTER_PACKET_GAP_0,
+			 1, 1, &reg8);
+
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_TX_PAUSE_RESEND_T, 3, 3, buf);
+
+	switch (usb_speed) {
+	case USB_SPEED_SUPER:
+		usb_host = 3;
+		break;
+	case USB_SPEED_HIGH:
+		usb_host = 2;
+		break;
+	case USB_SPEED_FULL:
+	case USB_SPEED_LOW:
+		usb_host = 1;
+		queue_num = 0;
+		break;
+	default:
+		usb_host = 0;
+		break;
+	}
+
+	if (dev->net->mtu > 12500 && dev->net->mtu <= 16334)
+		queue_num = 2; /* For Jumbo packet 16KB */
+
+	memcpy(buf, &AQC111_BULKIN_SIZE[queue_num], 5);
+	/* RX bulk configuration */
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RX_BULKIN_QCTRL, 5, 5, buf);
+
+	/* Set high low water level */
+	if (dev->net->mtu <= 4500)
+		reg16 = 0x0810;
+	else if (dev->net->mtu <= 9500)
+		reg16 = 0x1020;
+	else if (dev->net->mtu <= 12500)
+		reg16 = 0x1420;
+	else if (dev->net->mtu <= 16334)
+		reg16 = 0x1A20;
+
+	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_PAUSE_WATERLVL_LOW,
+			   2, &reg16);
+	netdev_info(dev->net, "Link Speed %d, USB %d", link_speed, usb_host);
+}
+
+static void aqc111_configure_csum_offload(struct usbnet *dev)
+{
+	u8 reg8 = 0;
+
+	if (dev->net->features & NETIF_F_RXCSUM) {
+		reg8 |= SFR_RXCOE_IP | SFR_RXCOE_TCP | SFR_RXCOE_UDP |
+			SFR_RXCOE_TCPV6 | SFR_RXCOE_UDPV6;
+	}
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RXCOE_CTL, 1, 1, &reg8);
+
+	reg8 = 0;
+	if (dev->net->features & NETIF_F_IP_CSUM)
+		reg8 |= SFR_TXCOE_IP | SFR_TXCOE_TCP | SFR_TXCOE_UDP;
+
+	if (dev->net->features & NETIF_F_IPV6_CSUM)
+		reg8 |= SFR_TXCOE_TCPV6 | SFR_TXCOE_UDPV6;
+
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_TXCOE_CTL, 1, 1, &reg8);
+}
+
+static int aqc111_link_reset(struct usbnet *dev)
+{
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	u16 reg16 = 0;
+	u8 reg8 = 0;
+
+	if (aqc111_data->link == 1) { /* Link up */
+		aqc111_configure_rx(dev, aqc111_data);
+
+		/* Vlan Tag Filter */
+		reg8 = SFR_VLAN_CONTROL_VSO;
+		if (dev->net->features & NETIF_F_HW_VLAN_CTAG_FILTER)
+			reg8 |= SFR_VLAN_CONTROL_VFE;
+
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_VLAN_ID_CONTROL,
+				 1, 1, &reg8);
+
+		reg8 = 0x0;
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BMRX_DMA_CONTROL,
+				 1, 1, &reg8);
+
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BMTX_DMA_CONTROL,
+				 1, 1, &reg8);
+
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_ARC_CTRL, 1, 1, &reg8);
+
+		reg16 = SFR_RX_CTL_IPE | SFR_RX_CTL_AB;
+		aqc111_data->rxctl = reg16;
+		aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
+
+		reg8 = SFR_RX_PATH_READY;
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_ETH_MAC_PATH,
+				 1, 1, &reg8);
+
+		reg8 = SFR_BULK_OUT_EFF_EN;
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BULK_OUT_CTRL,
+				 1, 1, &reg8);
+
+		reg16 = 0;
+		aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+				   2, &reg16);
+
+		reg16 = SFR_MEDIUM_XGMIIMODE | SFR_MEDIUM_FULL_DUPLEX;
+		aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+				   2, &reg16);
+
+		aqc111_configure_csum_offload(dev);
+
+		aqc111_set_rx_mode(dev->net);
+
+		aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+				  2, &reg16);
+
+		if (dev->net->mtu > 1500)
+			reg16 |= SFR_MEDIUM_JUMBO_EN;
+
+		reg16 |= SFR_MEDIUM_RECEIVE_EN | SFR_MEDIUM_RXFLOW_CTRLEN |
+			 SFR_MEDIUM_TXFLOW_CTRLEN;
+		aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+				   2, &reg16);
+
+		aqc111_data->rxctl |= SFR_RX_CTL_START;
+		aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
+				   2, &aqc111_data->rxctl);
+
+		netif_carrier_on(dev->net);
+	} else {
+		aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+				  2, &reg16);
+		reg16 &= ~SFR_MEDIUM_RECEIVE_EN;
+		aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+				   2, &reg16);
+
+		aqc111_data->rxctl &= ~SFR_RX_CTL_START;
+		aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
+				   2, &aqc111_data->rxctl);
+
+		reg8 = SFR_BULK_OUT_FLUSH_EN | SFR_BULK_OUT_EFF_EN;
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BULK_OUT_CTRL,
+				 1, 1, &reg8);
+		reg8 = SFR_BULK_OUT_EFF_EN;
+		aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BULK_OUT_CTRL,
+				 1, 1, &reg8);
+
+		netif_carrier_off(dev->net);
+	}
+	return 0;
+}
+
+static int aqc111_reset(struct usbnet *dev)
+{
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	u8 reg8 = 0;
+
+	dev->rx_urb_size = URB_SIZE;
+
+	if (usb_device_no_sg_constraint(dev->udev))
+		dev->can_dma_sg = 1;
+
+	dev->net->hw_features |= AQ_SUPPORT_HW_FEATURE;
+	dev->net->features |= AQ_SUPPORT_FEATURE;
+	dev->net->vlan_features |= AQ_SUPPORT_VLAN_FEATURE;
+
+	/* Power up ethernet PHY */
+	aqc111_data->phy_cfg = AQ_PHY_POWER_EN;
+	aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0,
+			   &aqc111_data->phy_cfg);
+
+	/* Set the MAC address */
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_NODE_ID, ETH_ALEN,
+			 ETH_ALEN, dev->net->dev_addr);
+
+	reg8 = 0xFF;
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BM_INT_MASK, 1, 1, &reg8);
+
+	reg8 = 0x0;
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_SWP_CTRL, 1, 1, &reg8);
+
+	aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_MONITOR_MODE, 1, 1, &reg8);
+	reg8 &= ~(SFR_MONITOR_MODE_EPHYRW | SFR_MONITOR_MODE_RWLC |
+		  SFR_MONITOR_MODE_RWMP | SFR_MONITOR_MODE_RWWF |
+		  SFR_MONITOR_MODE_RW_FLAG);
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_MONITOR_MODE, 1, 1, &reg8);
+
+	netif_carrier_off(dev->net);
+
+	/* Phy advertise */
+	aqc111_set_phy_speed(dev, aqc111_data->autoneg,
+			     aqc111_data->advertised_speed);
+
+	return 0;
+}
+
+static int aqc111_stop(struct usbnet *dev)
+{
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	u16 reg16 = 0;
+
+	aqc111_read16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+			  2, &reg16);
+	reg16 &= ~SFR_MEDIUM_RECEIVE_EN;
+	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+			   2, &reg16);
+	reg16 = 0;
+	aqc111_write16_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
+
+	/* Put PHY to low power*/
+	aqc111_data->phy_cfg |= AQ_LOW_POWER;
+	aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0,
+			   &aqc111_data->phy_cfg);
+
+	netif_carrier_off(dev->net);
+
+	return 0;
+}
+
+static void aqc111_rx_checksum(struct sk_buff *skb, u64 pkt_desc)
+{
+	u32 pkt_type = 0;
+
+	skb->ip_summed = CHECKSUM_NONE;
+	/* checksum error bit is set */
+	if (pkt_desc & AQ_RX_PD_L4_ERR || pkt_desc & AQ_RX_PD_L3_ERR)
+		return;
+
+	pkt_type = pkt_desc & AQ_RX_PD_L4_TYPE_MASK;
+	/* It must be a TCP or UDP packet with a valid checksum */
+	if (pkt_type == AQ_RX_PD_L4_TCP || pkt_type == AQ_RX_PD_L4_UDP)
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
+}
+
+static int aqc111_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	struct sk_buff *new_skb = NULL;
+	u32 pkt_total_offset = 0;
+	u64 *pkt_desc_ptr = NULL;
+	u32 start_of_descs = 0;
+	u32 desc_offset = 0; /*RX Header Offset*/
+	u16 pkt_count = 0;
+	u64 desc_hdr = 0;
+	u16 vlan_tag = 0;
+	u32 skb_len;
+
+	if (!skb)
+		goto err;
+
+	skb_len = skb->len;
+	if (skb_len < sizeof(desc_hdr))
+		goto err;
+
+	/* RX Descriptor Header */
+	skb_trim(skb, skb_len - sizeof(desc_hdr));
+	desc_hdr = le64_to_cpup((u64 *)skb_tail_pointer(skb));
+
+	/* Check these packets */
+	desc_offset = (desc_hdr & AQ_RX_DH_DESC_OFFSET_MASK) >>
+		      AQ_RX_DH_DESC_OFFSET_SHIFT;
+	pkt_count = desc_hdr & AQ_RX_DH_PKT_CNT_MASK;
+	start_of_descs = skb_len - ((pkt_count + 1) *  sizeof(desc_hdr));
+
+	/* self check descs position */
+	if (start_of_descs != desc_offset)
+		goto err;
+
+	/* self check desc_offset from header and make sure that the
+	 * bounds of the metadata array are inside the SKB
+	 */
+	if (pkt_count * 2 + desc_offset >= skb_len)
+		goto err;
+
+	/* Packets must not overlap the metadata array */
+	skb_trim(skb, desc_offset);
+
+	if (pkt_count == 0)
+		goto err;
+
+	/* Get the first RX packet descriptor */
+	pkt_desc_ptr = (u64 *)(skb->data + desc_offset);
+
+	while (pkt_count--) {
+		u64 pkt_desc = le64_to_cpup(pkt_desc_ptr);
+		u32 pkt_len_with_padd = 0;
+		u32 pkt_len = 0;
+
+		pkt_len = (u32)((pkt_desc & AQ_RX_PD_LEN_MASK) >>
+			  AQ_RX_PD_LEN_SHIFT);
+		pkt_len_with_padd = ((pkt_len + 7) & 0x7FFF8);
+
+		pkt_total_offset += pkt_len_with_padd;
+		if (pkt_total_offset > desc_offset ||
+		    (pkt_count == 0 && pkt_total_offset != desc_offset)) {
+			goto err;
+		}
+
+		if (pkt_desc & AQ_RX_PD_DROP ||
+		    !(pkt_desc & AQ_RX_PD_RX_OK) ||
+		    pkt_len > (dev->hard_mtu + AQ_RX_HW_PAD)) {
+			skb_pull(skb, pkt_len_with_padd);
+			/* Next RX Packet Descriptor */
+			pkt_desc_ptr++;
+			continue;
+		}
+
+		/* Clone SKB */
+		new_skb = skb_clone(skb, GFP_ATOMIC);
+
+		if (!new_skb)
+			goto err;
+
+		new_skb->len = pkt_len;
+		skb_pull(new_skb, AQ_RX_HW_PAD);
+		skb_set_tail_pointer(new_skb, new_skb->len);
+
+		new_skb->truesize = SKB_TRUESIZE(new_skb->len);
+		if (aqc111_data->rx_checksum)
+			aqc111_rx_checksum(new_skb, pkt_desc);
+
+		if (pkt_desc & AQ_RX_PD_VLAN) {
+			vlan_tag = pkt_desc >> AQ_RX_PD_VLAN_SHIFT;
+			__vlan_hwaccel_put_tag(new_skb, htons(ETH_P_8021Q),
+					       vlan_tag & VLAN_VID_MASK);
+		}
+
+		usbnet_skb_return(dev, new_skb);
+		if (pkt_count == 0)
+			break;
+
+		skb_pull(skb, pkt_len_with_padd);
+
+		/* Next RX Packet Header */
+		pkt_desc_ptr++;
+
+		new_skb = NULL;
+	}
+
+	return 1;
+
+err:
+	return 0;
+}
+
+static struct sk_buff *aqc111_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+				       gfp_t flags)
+{
+	int frame_size = dev->maxpacket;
+	struct sk_buff *new_skb = NULL;
+	u64 *tx_desc_ptr = NULL;
+	int padding_size = 0;
+	int headroom = 0;
+	int tailroom = 0;
+	u64 tx_desc = 0;
+	u16 tci = 0;
+
+	/*Length of actual data*/
+	tx_desc |= skb->len & AQ_TX_DESC_LEN_MASK;
+
+	/* TSO MSS */
+	tx_desc |= ((u64)(skb_shinfo(skb)->gso_size & AQ_TX_DESC_MSS_MASK)) <<
+		   AQ_TX_DESC_MSS_SHIFT;
+
+	headroom = (skb->len + sizeof(tx_desc)) % 8;
+	if (headroom != 0)
+		padding_size = 8 - headroom;
+
+	if (((skb->len + sizeof(tx_desc) + padding_size) % frame_size) == 0) {
+		padding_size += 8;
+		tx_desc |= AQ_TX_DESC_DROP_PADD;
+	}
+
+	/* Vlan Tag */
+	if (vlan_get_tag(skb, &tci) >= 0) {
+		tx_desc |= AQ_TX_DESC_VLAN;
+		tx_desc |= ((u64)tci & AQ_TX_DESC_VLAN_MASK) <<
+			   AQ_TX_DESC_VLAN_SHIFT;
+	}
+
+	if (!dev->can_dma_sg && (dev->net->features & NETIF_F_SG) &&
+	    skb_linearize(skb))
+		return NULL;
+
+	headroom = skb_headroom(skb);
+	tailroom = skb_tailroom(skb);
+
+	if (!(headroom >= sizeof(tx_desc) && tailroom >= padding_size)) {
+		new_skb = skb_copy_expand(skb, sizeof(tx_desc),
+					  padding_size, flags);
+		dev_kfree_skb_any(skb);
+		skb = new_skb;
+		if (!skb)
+			return NULL;
+	}
+	if (padding_size != 0)
+		skb_put_zero(skb, padding_size);
+	/* Copy TX header */
+	tx_desc_ptr = skb_push(skb, sizeof(tx_desc));
+	*tx_desc_ptr = cpu_to_le64(tx_desc);
+
+	usbnet_set_skb_tx_stats(skb, 1, 0);
+
+	return skb;
+}
+
+static const struct driver_info aqc111_info = {
+	.description	= "Aquantia AQtion USB to 5GbE Controller",
+	.bind		= aqc111_bind,
+	.unbind		= aqc111_unbind,
+	.status		= aqc111_status,
+	.link_reset	= aqc111_link_reset,
+	.reset		= aqc111_reset,
+	.stop		= aqc111_stop,
+	.flags		= FLAG_ETHER | FLAG_FRAMING_AX |
+			  FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET,
+	.rx_fixup	= aqc111_rx_fixup,
+	.tx_fixup	= aqc111_tx_fixup,
+};
+
+#define ASIX111_DESC \
+"ASIX USB 3.1 Gen1 to 5G Multi-Gigabit Ethernet Adapter"
+
+static const struct driver_info asix111_info = {
+	.description	= ASIX111_DESC,
+	.bind		= aqc111_bind,
+	.unbind		= aqc111_unbind,
+	.status		= aqc111_status,
+	.link_reset	= aqc111_link_reset,
+	.reset		= aqc111_reset,
+	.stop		= aqc111_stop,
+	.flags		= FLAG_ETHER | FLAG_FRAMING_AX |
+			  FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET,
+	.rx_fixup	= aqc111_rx_fixup,
+	.tx_fixup	= aqc111_tx_fixup,
+};
+
+#undef ASIX111_DESC
+
+#define ASIX112_DESC \
+"ASIX USB 3.1 Gen1 to 2.5G Multi-Gigabit Ethernet Adapter"
+
+static const struct driver_info asix112_info = {
+	.description	= ASIX112_DESC,
+	.bind		= aqc111_bind,
+	.unbind		= aqc111_unbind,
+	.status		= aqc111_status,
+	.link_reset	= aqc111_link_reset,
+	.reset		= aqc111_reset,
+	.stop		= aqc111_stop,
+	.flags		= FLAG_ETHER | FLAG_FRAMING_AX |
+			  FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET,
+	.rx_fixup	= aqc111_rx_fixup,
+	.tx_fixup	= aqc111_tx_fixup,
+};
+
+#undef ASIX112_DESC
+
+static const struct driver_info trendnet_info = {
+	.description	= "USB-C 3.1 to 5GBASE-T Ethernet Adapter",
+	.bind		= aqc111_bind,
+	.unbind		= aqc111_unbind,
+	.status		= aqc111_status,
+	.link_reset	= aqc111_link_reset,
+	.reset		= aqc111_reset,
+	.stop		= aqc111_stop,
+	.flags		= FLAG_ETHER | FLAG_FRAMING_AX |
+			  FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET,
+	.rx_fixup	= aqc111_rx_fixup,
+	.tx_fixup	= aqc111_tx_fixup,
+};
+
+static const struct driver_info qnap_info = {
+	.description	= "QNAP QNA-UC5G1T USB to 5GbE Adapter",
+	.bind		= aqc111_bind,
+	.unbind		= aqc111_unbind,
+	.status		= aqc111_status,
+	.link_reset	= aqc111_link_reset,
+	.reset		= aqc111_reset,
+	.stop		= aqc111_stop,
+	.flags		= FLAG_ETHER | FLAG_FRAMING_AX |
+			  FLAG_AVOID_UNLINK_URBS | FLAG_MULTI_PACKET,
+	.rx_fixup	= aqc111_rx_fixup,
+	.tx_fixup	= aqc111_tx_fixup,
+};
+
+static int aqc111_suspend(struct usb_interface *intf, pm_message_t message)
+{
+	struct usbnet *dev = usb_get_intfdata(intf);
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	u16 temp_rx_ctrl = 0x00;
+	u16 reg16;
+	u8 reg8;
+
+	usbnet_suspend(intf, message);
+
+	aqc111_read16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
+	temp_rx_ctrl = reg16;
+	/* Stop RX operations*/
+	reg16 &= ~SFR_RX_CTL_START;
+	aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
+	/* Force bz */
+	aqc111_read16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL,
+			       2, &reg16);
+	reg16 |= SFR_PHYPWR_RSTCTL_BZ;
+	aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_PHYPWR_RSTCTL,
+				2, &reg16);
+
+	reg8 = SFR_BULK_OUT_EFF_EN;
+	aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_BULK_OUT_CTRL,
+			      1, 1, &reg8);
+
+	temp_rx_ctrl &= ~(SFR_RX_CTL_START | SFR_RX_CTL_RF_WAK |
+			  SFR_RX_CTL_AP | SFR_RX_CTL_AM);
+	aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
+				2, &temp_rx_ctrl);
+
+	reg8 = 0x00;
+	aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_ETH_MAC_PATH,
+			      1, 1, &reg8);
+
+	if (aqc111_data->wol_flags) {
+		struct aqc111_wol_cfg wol_cfg;
+
+		memset(&wol_cfg, 0, sizeof(struct aqc111_wol_cfg));
+
+		aqc111_data->phy_cfg |= AQ_WOL;
+		ether_addr_copy(wol_cfg.hw_addr, dev->net->dev_addr);
+		wol_cfg.flags = aqc111_data->wol_flags;
+
+		temp_rx_ctrl |= (SFR_RX_CTL_AB | SFR_RX_CTL_START);
+		aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
+					2, &temp_rx_ctrl);
+		reg8 = 0x00;
+		aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_BM_INT_MASK,
+				      1, 1, &reg8);
+		reg8 = SFR_BMRX_DMA_EN;
+		aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_BMRX_DMA_CONTROL,
+				      1, 1, &reg8);
+		reg8 = SFR_RX_PATH_READY;
+		aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_ETH_MAC_PATH,
+				      1, 1, &reg8);
+		reg8 = 0x07;
+		aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_BULKIN_QCTRL,
+				      1, 1, &reg8);
+		reg8 = 0x00;
+		aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC,
+				      SFR_RX_BULKIN_QTIMR_LOW, 1, 1, &reg8);
+		aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC,
+				      SFR_RX_BULKIN_QTIMR_HIGH, 1, 1, &reg8);
+		reg8 = 0xFF;
+		aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_BULKIN_QSIZE,
+				      1, 1, &reg8);
+		aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_BULKIN_QIFG,
+				      1, 1, &reg8);
+
+		aqc111_read16_cmd_nopm(dev, AQ_ACCESS_MAC,
+				       SFR_MEDIUM_STATUS_MODE, 2, &reg16);
+		reg16 |= SFR_MEDIUM_RECEIVE_EN;
+		aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC,
+					SFR_MEDIUM_STATUS_MODE, 2, &reg16);
+
+		aqc111_write_cmd(dev, AQ_WOL_CFG, 0, 0,
+				 WOL_CFG_SIZE, &wol_cfg);
+		aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0,
+				   &aqc111_data->phy_cfg);
+	} else {
+		aqc111_data->phy_cfg |= AQ_LOW_POWER;
+		aqc111_write32_cmd(dev, AQ_PHY_OPS, 0, 0,
+				   &aqc111_data->phy_cfg);
+
+		/* Disable RX path */
+		aqc111_read16_cmd_nopm(dev, AQ_ACCESS_MAC,
+				       SFR_MEDIUM_STATUS_MODE, 2, &reg16);
+		reg16 &= ~SFR_MEDIUM_RECEIVE_EN;
+		aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC,
+					SFR_MEDIUM_STATUS_MODE, 2, &reg16);
+	}
+
+	return 0;
+}
+
+static int aqc111_resume(struct usb_interface *intf)
+{
+	struct usbnet *dev = usb_get_intfdata(intf);
+	struct aqc111_data *aqc111_data = dev->driver_priv;
+	u16 reg16;
+	u8 reg8;
+
+	netif_carrier_off(dev->net);
+
+	/* Power up ethernet PHY */
+	aqc111_data->phy_cfg |= AQ_PHY_POWER_EN;
+	aqc111_data->phy_cfg &= ~AQ_LOW_POWER;
+	aqc111_data->phy_cfg &= ~AQ_WOL;
+
+	reg8 = 0xFF;
+	aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_BM_INT_MASK,
+			      1, 1, &reg8);
+	/* Configure RX control register => start operation */
+	reg16 = aqc111_data->rxctl;
+	reg16 &= ~SFR_RX_CTL_START;
+	aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
+
+	reg16 |= SFR_RX_CTL_START;
+	aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, &reg16);
+
+	aqc111_set_phy_speed(dev, aqc111_data->autoneg,
+			     aqc111_data->advertised_speed);
+
+	aqc111_read16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+			       2, &reg16);
+	reg16 |= SFR_MEDIUM_RECEIVE_EN;
+	aqc111_write16_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
+				2, &reg16);
+	reg8 = SFR_RX_PATH_READY;
+	aqc111_write_cmd_nopm(dev, AQ_ACCESS_MAC, SFR_ETH_MAC_PATH,
+			      1, 1, &reg8);
+	reg8 = 0x0;
+	aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BMRX_DMA_CONTROL, 1, 1, &reg8);
+
+	return usbnet_resume(intf);
+}
+
+#define AQC111_USB_ETH_DEV(vid, pid, table) \
+	USB_DEVICE_INTERFACE_CLASS((vid), (pid), USB_CLASS_VENDOR_SPEC), \
+	.driver_info = (unsigned long)&(table) \
+}, \
+{ \
+	USB_DEVICE_AND_INTERFACE_INFO((vid), (pid), \
+				      USB_CLASS_COMM, \
+				      USB_CDC_SUBCLASS_ETHERNET, \
+				      USB_CDC_PROTO_NONE), \
+	.driver_info = (unsigned long)&(table),
+
+static const struct usb_device_id products[] = {
+	{AQC111_USB_ETH_DEV(0x2eca, 0xc101, aqc111_info)},
+	{AQC111_USB_ETH_DEV(0x0b95, 0x2790, asix111_info)},
+	{AQC111_USB_ETH_DEV(0x0b95, 0x2791, asix112_info)},
+	{AQC111_USB_ETH_DEV(0x20f4, 0xe05a, trendnet_info)},
+	{AQC111_USB_ETH_DEV(0x1c04, 0x0015, qnap_info)},
+	{ },/* END */
+};
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver aq_driver = {
+	.name		= "aqc111",
+	.id_table	= products,
+	.probe		= usbnet_probe,
+	.suspend	= aqc111_suspend,
+	.resume		= aqc111_resume,
+	.disconnect	= usbnet_disconnect,
+};
+
+module_usb_driver(aq_driver);
+
+MODULE_DESCRIPTION("Aquantia AQtion USB to 5/2.5GbE Controllers");
+MODULE_LICENSE("GPL");