Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 1510 insertions, 0 deletions

diff --git a/net/core/ethtool.c b/net/core/ethtool.c
new file mode 100644
index 00000000..6d6d7d25
--- /dev/null
+++ b/net/core/ethtool.c
@@ -0,0 +1,1510 @@
+/*
+ * net/core/ethtool.c - Ethtool ioctl handler
+ * Copyright (c) 2003 Matthew Wilcox <matthew@wil.cx>
+ *
+ * This file is where we call all the ethtool_ops commands to get
+ * the information ethtool needs.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/capability.h>
+#include <linux/errno.h>
+#include <linux/ethtool.h>
+#include <linux/netdevice.h>
+#include <linux/bitops.h>
+#include <linux/uaccess.h>
+#include <linux/vmalloc.h>
+#include <linux/slab.h>
+#include <linux/rtnetlink.h>
+#include <linux/sched.h>
+
+/*
+ * Some useful ethtool_ops methods that're device independent.
+ * If we find that all drivers want to do the same thing here,
+ * we can turn these into dev_() function calls.
+ */
+
+u32 ethtool_op_get_link(struct net_device *dev)
+{
+	return netif_carrier_ok(dev) ? 1 : 0;
+}
+EXPORT_SYMBOL(ethtool_op_get_link);
+
+/* Handlers for each ethtool command */
+
+#define ETHTOOL_DEV_FEATURE_WORDS	((NETDEV_FEATURE_COUNT + 31) / 32)
+
+static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
+	[NETIF_F_SG_BIT] =               "tx-scatter-gather",
+	[NETIF_F_IP_CSUM_BIT] =          "tx-checksum-ipv4",
+	[NETIF_F_HW_CSUM_BIT] =          "tx-checksum-ip-generic",
+	[NETIF_F_IPV6_CSUM_BIT] =        "tx-checksum-ipv6",
+	[NETIF_F_HIGHDMA_BIT] =          "highdma",
+	[NETIF_F_FRAGLIST_BIT] =         "tx-scatter-gather-fraglist",
+	[NETIF_F_HW_VLAN_TX_BIT] =       "tx-vlan-hw-insert",
+
+	[NETIF_F_HW_VLAN_RX_BIT] =       "rx-vlan-hw-parse",
+	[NETIF_F_HW_VLAN_FILTER_BIT] =   "rx-vlan-filter",
+	[NETIF_F_VLAN_CHALLENGED_BIT] =  "vlan-challenged",
+	[NETIF_F_GSO_BIT] =              "tx-generic-segmentation",
+	[NETIF_F_LLTX_BIT] =             "tx-lockless",
+	[NETIF_F_NETNS_LOCAL_BIT] =      "netns-local",
+	[NETIF_F_GRO_BIT] =              "rx-gro",
+	[NETIF_F_LRO_BIT] =              "rx-lro",
+
+	[NETIF_F_TSO_BIT] =              "tx-tcp-segmentation",
+	[NETIF_F_UFO_BIT] =              "tx-udp-fragmentation",
+	[NETIF_F_GSO_ROBUST_BIT] =       "tx-gso-robust",
+	[NETIF_F_TSO_ECN_BIT] =          "tx-tcp-ecn-segmentation",
+	[NETIF_F_TSO6_BIT] =             "tx-tcp6-segmentation",
+	[NETIF_F_FSO_BIT] =              "tx-fcoe-segmentation",
+
+	[NETIF_F_FCOE_CRC_BIT] =         "tx-checksum-fcoe-crc",
+	[NETIF_F_SCTP_CSUM_BIT] =        "tx-checksum-sctp",
+	[NETIF_F_FCOE_MTU_BIT] =         "fcoe-mtu",
+	[NETIF_F_NTUPLE_BIT] =           "rx-ntuple-filter",
+	[NETIF_F_RXHASH_BIT] =           "rx-hashing",
+	[NETIF_F_RXCSUM_BIT] =           "rx-checksum",
+	[NETIF_F_NOCACHE_COPY_BIT] =     "tx-nocache-copy",
+	[NETIF_F_LOOPBACK_BIT] =         "loopback",
+	[NETIF_F_RXFCS_BIT] =            "rx-fcs",
+	[NETIF_F_RXALL_BIT] =            "rx-all",
+};
+
+static int ethtool_get_features(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_gfeatures cmd = {
+		.cmd = ETHTOOL_GFEATURES,
+		.size = ETHTOOL_DEV_FEATURE_WORDS,
+	};
+	struct ethtool_get_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
+	u32 __user *sizeaddr;
+	u32 copy_size;
+	int i;
+
+	/* in case feature bits run out again */
+	BUILD_BUG_ON(ETHTOOL_DEV_FEATURE_WORDS * sizeof(u32) > sizeof(netdev_features_t));
+
+	for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) {
+		features[i].available = (u32)(dev->hw_features >> (32 * i));
+		features[i].requested = (u32)(dev->wanted_features >> (32 * i));
+		features[i].active = (u32)(dev->features >> (32 * i));
+		features[i].never_changed =
+			(u32)(NETIF_F_NEVER_CHANGE >> (32 * i));
+	}
+
+	sizeaddr = useraddr + offsetof(struct ethtool_gfeatures, size);
+	if (get_user(copy_size, sizeaddr))
+		return -EFAULT;
+
+	if (copy_size > ETHTOOL_DEV_FEATURE_WORDS)
+		copy_size = ETHTOOL_DEV_FEATURE_WORDS;
+
+	if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
+		return -EFAULT;
+	useraddr += sizeof(cmd);
+	if (copy_to_user(useraddr, features, copy_size * sizeof(*features)))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int ethtool_set_features(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_sfeatures cmd;
+	struct ethtool_set_features_block features[ETHTOOL_DEV_FEATURE_WORDS];
+	netdev_features_t wanted = 0, valid = 0;
+	int i, ret = 0;
+
+	if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
+		return -EFAULT;
+	useraddr += sizeof(cmd);
+
+	if (cmd.size != ETHTOOL_DEV_FEATURE_WORDS)
+		return -EINVAL;
+
+	if (copy_from_user(features, useraddr, sizeof(features)))
+		return -EFAULT;
+
+	for (i = 0; i < ETHTOOL_DEV_FEATURE_WORDS; ++i) {
+		valid |= (netdev_features_t)features[i].valid << (32 * i);
+		wanted |= (netdev_features_t)features[i].requested << (32 * i);
+	}
+
+	if (valid & ~NETIF_F_ETHTOOL_BITS)
+		return -EINVAL;
+
+	if (valid & ~dev->hw_features) {
+		valid &= dev->hw_features;
+		ret |= ETHTOOL_F_UNSUPPORTED;
+	}
+
+	dev->wanted_features &= ~valid;
+	dev->wanted_features |= wanted & valid;
+	__netdev_update_features(dev);
+
+	if ((dev->wanted_features ^ dev->features) & valid)
+		ret |= ETHTOOL_F_WISH;
+
+	return ret;
+}
+
+static int __ethtool_get_sset_count(struct net_device *dev, int sset)
+{
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+
+	if (sset == ETH_SS_FEATURES)
+		return ARRAY_SIZE(netdev_features_strings);
+
+	if (ops && ops->get_sset_count && ops->get_strings)
+		return ops->get_sset_count(dev, sset);
+	else
+		return -EOPNOTSUPP;
+}
+
+static void __ethtool_get_strings(struct net_device *dev,
+	u32 stringset, u8 *data)
+{
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+
+	if (stringset == ETH_SS_FEATURES)
+		memcpy(data, netdev_features_strings,
+			sizeof(netdev_features_strings));
+	else
+		/* ops->get_strings is valid because checked earlier */
+		ops->get_strings(dev, stringset, data);
+}
+
+static netdev_features_t ethtool_get_feature_mask(u32 eth_cmd)
+{
+	/* feature masks of legacy discrete ethtool ops */
+
+	switch (eth_cmd) {
+	case ETHTOOL_GTXCSUM:
+	case ETHTOOL_STXCSUM:
+		return NETIF_F_ALL_CSUM | NETIF_F_SCTP_CSUM;
+	case ETHTOOL_GRXCSUM:
+	case ETHTOOL_SRXCSUM:
+		return NETIF_F_RXCSUM;
+	case ETHTOOL_GSG:
+	case ETHTOOL_SSG:
+		return NETIF_F_SG;
+	case ETHTOOL_GTSO:
+	case ETHTOOL_STSO:
+		return NETIF_F_ALL_TSO;
+	case ETHTOOL_GUFO:
+	case ETHTOOL_SUFO:
+		return NETIF_F_UFO;
+	case ETHTOOL_GGSO:
+	case ETHTOOL_SGSO:
+		return NETIF_F_GSO;
+	case ETHTOOL_GGRO:
+	case ETHTOOL_SGRO:
+		return NETIF_F_GRO;
+	default:
+		BUG();
+	}
+}
+
+static int ethtool_get_one_feature(struct net_device *dev,
+	char __user *useraddr, u32 ethcmd)
+{
+	netdev_features_t mask = ethtool_get_feature_mask(ethcmd);
+	struct ethtool_value edata = {
+		.cmd = ethcmd,
+		.data = !!(dev->features & mask),
+	};
+
+	if (copy_to_user(useraddr, &edata, sizeof(edata)))
+		return -EFAULT;
+	return 0;
+}
+
+static int ethtool_set_one_feature(struct net_device *dev,
+	void __user *useraddr, u32 ethcmd)
+{
+	struct ethtool_value edata;
+	netdev_features_t mask;
+
+	if (copy_from_user(&edata, useraddr, sizeof(edata)))
+		return -EFAULT;
+
+	mask = ethtool_get_feature_mask(ethcmd);
+	mask &= dev->hw_features;
+	if (!mask)
+		return -EOPNOTSUPP;
+
+	if (edata.data)
+		dev->wanted_features |= mask;
+	else
+		dev->wanted_features &= ~mask;
+
+	__netdev_update_features(dev);
+
+	return 0;
+}
+
+#define ETH_ALL_FLAGS    (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \
+			  ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH)
+#define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_RX | \
+			  NETIF_F_HW_VLAN_TX | NETIF_F_NTUPLE | NETIF_F_RXHASH)
+
+static u32 __ethtool_get_flags(struct net_device *dev)
+{
+	u32 flags = 0;
+
+	if (dev->features & NETIF_F_LRO)	flags |= ETH_FLAG_LRO;
+	if (dev->features & NETIF_F_HW_VLAN_RX)	flags |= ETH_FLAG_RXVLAN;
+	if (dev->features & NETIF_F_HW_VLAN_TX)	flags |= ETH_FLAG_TXVLAN;
+	if (dev->features & NETIF_F_NTUPLE)	flags |= ETH_FLAG_NTUPLE;
+	if (dev->features & NETIF_F_RXHASH)	flags |= ETH_FLAG_RXHASH;
+
+	return flags;
+}
+
+static int __ethtool_set_flags(struct net_device *dev, u32 data)
+{
+	netdev_features_t features = 0, changed;
+
+	if (data & ~ETH_ALL_FLAGS)
+		return -EINVAL;
+
+	if (data & ETH_FLAG_LRO)	features |= NETIF_F_LRO;
+	if (data & ETH_FLAG_RXVLAN)	features |= NETIF_F_HW_VLAN_RX;
+	if (data & ETH_FLAG_TXVLAN)	features |= NETIF_F_HW_VLAN_TX;
+	if (data & ETH_FLAG_NTUPLE)	features |= NETIF_F_NTUPLE;
+	if (data & ETH_FLAG_RXHASH)	features |= NETIF_F_RXHASH;
+
+	/* allow changing only bits set in hw_features */
+	changed = (features ^ dev->features) & ETH_ALL_FEATURES;
+	if (changed & ~dev->hw_features)
+		return (changed & dev->hw_features) ? -EINVAL : -EOPNOTSUPP;
+
+	dev->wanted_features =
+		(dev->wanted_features & ~changed) | (features & changed);
+
+	__netdev_update_features(dev);
+
+	return 0;
+}
+
+int __ethtool_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	ASSERT_RTNL();
+
+	if (!dev->ethtool_ops || !dev->ethtool_ops->get_settings)
+		return -EOPNOTSUPP;
+
+	memset(cmd, 0, sizeof(struct ethtool_cmd));
+	cmd->cmd = ETHTOOL_GSET;
+	return dev->ethtool_ops->get_settings(dev, cmd);
+}
+EXPORT_SYMBOL(__ethtool_get_settings);
+
+static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
+{
+	int err;
+	struct ethtool_cmd cmd;
+
+	err = __ethtool_get_settings(dev, &cmd);
+	if (err < 0)
+		return err;
+
+	if (copy_to_user(useraddr, &cmd, sizeof(cmd)))
+		return -EFAULT;
+	return 0;
+}
+
+static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_cmd cmd;
+
+	if (!dev->ethtool_ops->set_settings)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&cmd, useraddr, sizeof(cmd)))
+		return -EFAULT;
+
+	return dev->ethtool_ops->set_settings(dev, &cmd);
+}
+
+static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev,
+						  void __user *useraddr)
+{
+	struct ethtool_drvinfo info;
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+
+	memset(&info, 0, sizeof(info));
+	info.cmd = ETHTOOL_GDRVINFO;
+	if (ops && ops->get_drvinfo) {
+		ops->get_drvinfo(dev, &info);
+	} else if (dev->dev.parent && dev->dev.parent->driver) {
+		strlcpy(info.bus_info, dev_name(dev->dev.parent),
+			sizeof(info.bus_info));
+		strlcpy(info.driver, dev->dev.parent->driver->name,
+			sizeof(info.driver));
+	} else {
+		return -EOPNOTSUPP;
+	}
+
+	/*
+	 * this method of obtaining string set info is deprecated;
+	 * Use ETHTOOL_GSSET_INFO instead.
+	 */
+	if (ops && ops->get_sset_count) {
+		int rc;
+
+		rc = ops->get_sset_count(dev, ETH_SS_TEST);
+		if (rc >= 0)
+			info.testinfo_len = rc;
+		rc = ops->get_sset_count(dev, ETH_SS_STATS);
+		if (rc >= 0)
+			info.n_stats = rc;
+		rc = ops->get_sset_count(dev, ETH_SS_PRIV_FLAGS);
+		if (rc >= 0)
+			info.n_priv_flags = rc;
+	}
+	if (ops && ops->get_regs_len)
+		info.regdump_len = ops->get_regs_len(dev);
+	if (ops && ops->get_eeprom_len)
+		info.eedump_len = ops->get_eeprom_len(dev);
+
+	if (copy_to_user(useraddr, &info, sizeof(info)))
+		return -EFAULT;
+	return 0;
+}
+
+static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,
+						    void __user *useraddr)
+{
+	struct ethtool_sset_info info;
+	u64 sset_mask;
+	int i, idx = 0, n_bits = 0, ret, rc;
+	u32 *info_buf = NULL;
+
+	if (copy_from_user(&info, useraddr, sizeof(info)))
+		return -EFAULT;
+
+	/* store copy of mask, because we zero struct later on */
+	sset_mask = info.sset_mask;
+	if (!sset_mask)
+		return 0;
+
+	/* calculate size of return buffer */
+	n_bits = hweight64(sset_mask);
+
+	memset(&info, 0, sizeof(info));
+	info.cmd = ETHTOOL_GSSET_INFO;
+
+	info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER);
+	if (!info_buf)
+		return -ENOMEM;
+
+	/*
+	 * fill return buffer based on input bitmask and successful
+	 * get_sset_count return
+	 */
+	for (i = 0; i < 64; i++) {
+		if (!(sset_mask & (1ULL << i)))
+			continue;
+
+		rc = __ethtool_get_sset_count(dev, i);
+		if (rc >= 0) {
+			info.sset_mask |= (1ULL << i);
+			info_buf[idx++] = rc;
+		}
+	}
+
+	ret = -EFAULT;
+	if (copy_to_user(useraddr, &info, sizeof(info)))
+		goto out;
+
+	useraddr += offsetof(struct ethtool_sset_info, data);
+	if (copy_to_user(useraddr, info_buf, idx * sizeof(u32)))
+		goto out;
+
+	ret = 0;
+
+out:
+	kfree(info_buf);
+	return ret;
+}
+
+static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev,
+						u32 cmd, void __user *useraddr)
+{
+	struct ethtool_rxnfc info;
+	size_t info_size = sizeof(info);
+	int rc;
+
+	if (!dev->ethtool_ops->set_rxnfc)
+		return -EOPNOTSUPP;
+
+	/* struct ethtool_rxnfc was originally defined for
+	 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
+	 * members.  User-space might still be using that
+	 * definition. */
+	if (cmd == ETHTOOL_SRXFH)
+		info_size = (offsetof(struct ethtool_rxnfc, data) +
+			     sizeof(info.data));
+
+	if (copy_from_user(&info, useraddr, info_size))
+		return -EFAULT;
+
+	rc = dev->ethtool_ops->set_rxnfc(dev, &info);
+	if (rc)
+		return rc;
+
+	if (cmd == ETHTOOL_SRXCLSRLINS &&
+	    copy_to_user(useraddr, &info, info_size))
+		return -EFAULT;
+
+	return 0;
+}
+
+static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev,
+						u32 cmd, void __user *useraddr)
+{
+	struct ethtool_rxnfc info;
+	size_t info_size = sizeof(info);
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+	int ret;
+	void *rule_buf = NULL;
+
+	if (!ops->get_rxnfc)
+		return -EOPNOTSUPP;
+
+	/* struct ethtool_rxnfc was originally defined for
+	 * ETHTOOL_{G,S}RXFH with only the cmd, flow_type and data
+	 * members.  User-space might still be using that
+	 * definition. */
+	if (cmd == ETHTOOL_GRXFH)
+		info_size = (offsetof(struct ethtool_rxnfc, data) +
+			     sizeof(info.data));
+
+	if (copy_from_user(&info, useraddr, info_size))
+		return -EFAULT;
+
+	if (info.cmd == ETHTOOL_GRXCLSRLALL) {
+		if (info.rule_cnt > 0) {
+			if (info.rule_cnt <= KMALLOC_MAX_SIZE / sizeof(u32))
+				rule_buf = kzalloc(info.rule_cnt * sizeof(u32),
+						   GFP_USER);
+			if (!rule_buf)
+				return -ENOMEM;
+		}
+	}
+
+	ret = ops->get_rxnfc(dev, &info, rule_buf);
+	if (ret < 0)
+		goto err_out;
+
+	ret = -EFAULT;
+	if (copy_to_user(useraddr, &info, info_size))
+		goto err_out;
+
+	if (rule_buf) {
+		useraddr += offsetof(struct ethtool_rxnfc, rule_locs);
+		if (copy_to_user(useraddr, rule_buf,
+				 info.rule_cnt * sizeof(u32)))
+			goto err_out;
+	}
+	ret = 0;
+
+err_out:
+	kfree(rule_buf);
+
+	return ret;
+}
+
+static noinline_for_stack int ethtool_get_rxfh_indir(struct net_device *dev,
+						     void __user *useraddr)
+{
+	u32 user_size, dev_size;
+	u32 *indir;
+	int ret;
+
+	if (!dev->ethtool_ops->get_rxfh_indir_size ||
+	    !dev->ethtool_ops->get_rxfh_indir)
+		return -EOPNOTSUPP;
+	dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
+	if (dev_size == 0)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&user_size,
+			   useraddr + offsetof(struct ethtool_rxfh_indir, size),
+			   sizeof(user_size)))
+		return -EFAULT;
+
+	if (copy_to_user(useraddr + offsetof(struct ethtool_rxfh_indir, size),
+			 &dev_size, sizeof(dev_size)))
+		return -EFAULT;
+
+	/* If the user buffer size is 0, this is just a query for the
+	 * device table size.  Otherwise, if it's smaller than the
+	 * device table size it's an error.
+	 */
+	if (user_size < dev_size)
+		return user_size == 0 ? 0 : -EINVAL;
+
+	indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
+	if (!indir)
+		return -ENOMEM;
+
+	ret = dev->ethtool_ops->get_rxfh_indir(dev, indir);
+	if (ret)
+		goto out;
+
+	if (copy_to_user(useraddr +
+			 offsetof(struct ethtool_rxfh_indir, ring_index[0]),
+			 indir, dev_size * sizeof(indir[0])))
+		ret = -EFAULT;
+
+out:
+	kfree(indir);
+	return ret;
+}
+
+static noinline_for_stack int ethtool_set_rxfh_indir(struct net_device *dev,
+						     void __user *useraddr)
+{
+	struct ethtool_rxnfc rx_rings;
+	u32 user_size, dev_size, i;
+	u32 *indir;
+	int ret;
+
+	if (!dev->ethtool_ops->get_rxfh_indir_size ||
+	    !dev->ethtool_ops->set_rxfh_indir ||
+	    !dev->ethtool_ops->get_rxnfc)
+		return -EOPNOTSUPP;
+	dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
+	if (dev_size == 0)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&user_size,
+			   useraddr + offsetof(struct ethtool_rxfh_indir, size),
+			   sizeof(user_size)))
+		return -EFAULT;
+
+	if (user_size != 0 && user_size != dev_size)
+		return -EINVAL;
+
+	indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
+	if (!indir)
+		return -ENOMEM;
+
+	rx_rings.cmd = ETHTOOL_GRXRINGS;
+	ret = dev->ethtool_ops->get_rxnfc(dev, &rx_rings, NULL);
+	if (ret)
+		goto out;
+
+	if (user_size == 0) {
+		for (i = 0; i < dev_size; i++)
+			indir[i] = ethtool_rxfh_indir_default(i, rx_rings.data);
+	} else {
+		if (copy_from_user(indir,
+				  useraddr +
+				  offsetof(struct ethtool_rxfh_indir,
+					   ring_index[0]),
+				  dev_size * sizeof(indir[0]))) {
+			ret = -EFAULT;
+			goto out;
+		}
+
+		/* Validate ring indices */
+		for (i = 0; i < dev_size; i++) {
+			if (indir[i] >= rx_rings.data) {
+				ret = -EINVAL;
+				goto out;
+			}
+		}
+	}
+
+	ret = dev->ethtool_ops->set_rxfh_indir(dev, indir);
+
+out:
+	kfree(indir);
+	return ret;
+}
+
+static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
+{
+	struct ethtool_regs regs;
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+	void *regbuf;
+	int reglen, ret;
+
+	if (!ops->get_regs || !ops->get_regs_len)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&regs, useraddr, sizeof(regs)))
+		return -EFAULT;
+
+	reglen = ops->get_regs_len(dev);
+	if (regs.len > reglen)
+		regs.len = reglen;
+
+	regbuf = vzalloc(reglen);
+	if (reglen && !regbuf)
+		return -ENOMEM;
+
+	ops->get_regs(dev, &regs, regbuf);
+
+	ret = -EFAULT;
+	if (copy_to_user(useraddr, &regs, sizeof(regs)))
+		goto out;
+	useraddr += offsetof(struct ethtool_regs, data);
+	if (regbuf && copy_to_user(useraddr, regbuf, regs.len))
+		goto out;
+	ret = 0;
+
+ out:
+	vfree(regbuf);
+	return ret;
+}
+
+static int ethtool_reset(struct net_device *dev, char __user *useraddr)
+{
+	struct ethtool_value reset;
+	int ret;
+
+	if (!dev->ethtool_ops->reset)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&reset, useraddr, sizeof(reset)))
+		return -EFAULT;
+
+	ret = dev->ethtool_ops->reset(dev, &reset.data);
+	if (ret)
+		return ret;
+
+	if (copy_to_user(useraddr, &reset, sizeof(reset)))
+		return -EFAULT;
+	return 0;
+}
+
+static int ethtool_get_wol(struct net_device *dev, char __user *useraddr)
+{
+	struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
+
+	if (!dev->ethtool_ops->get_wol)
+		return -EOPNOTSUPP;
+
+	dev->ethtool_ops->get_wol(dev, &wol);
+
+	if (copy_to_user(useraddr, &wol, sizeof(wol)))
+		return -EFAULT;
+	return 0;
+}
+
+static int ethtool_set_wol(struct net_device *dev, char __user *useraddr)
+{
+	struct ethtool_wolinfo wol;
+
+	if (!dev->ethtool_ops->set_wol)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&wol, useraddr, sizeof(wol)))
+		return -EFAULT;
+
+	return dev->ethtool_ops->set_wol(dev, &wol);
+}
+
+static int ethtool_nway_reset(struct net_device *dev)
+{
+	if (!dev->ethtool_ops->nway_reset)
+		return -EOPNOTSUPP;
+
+	return dev->ethtool_ops->nway_reset(dev);
+}
+
+static int ethtool_get_link(struct net_device *dev, char __user *useraddr)
+{
+	struct ethtool_value edata = { .cmd = ETHTOOL_GLINK };
+
+	if (!dev->ethtool_ops->get_link)
+		return -EOPNOTSUPP;
+
+	edata.data = netif_running(dev) && dev->ethtool_ops->get_link(dev);
+
+	if (copy_to_user(useraddr, &edata, sizeof(edata)))
+		return -EFAULT;
+	return 0;
+}
+
+static int ethtool_get_eeprom(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_eeprom eeprom;
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+	void __user *userbuf = useraddr + sizeof(eeprom);
+	u32 bytes_remaining;
+	u8 *data;
+	int ret = 0;
+
+	if (!ops->get_eeprom || !ops->get_eeprom_len)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
+		return -EFAULT;
+
+	/* Check for wrap and zero */
+	if (eeprom.offset + eeprom.len <= eeprom.offset)
+		return -EINVAL;
+
+	/* Check for exceeding total eeprom len */
+	if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
+		return -EINVAL;
+
+	data = kmalloc(PAGE_SIZE, GFP_USER);
+	if (!data)
+		return -ENOMEM;
+
+	bytes_remaining = eeprom.len;
+	while (bytes_remaining > 0) {
+		eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
+
+		ret = ops->get_eeprom(dev, &eeprom, data);
+		if (ret)
+			break;
+		if (copy_to_user(userbuf, data, eeprom.len)) {
+			ret = -EFAULT;
+			break;
+		}
+		userbuf += eeprom.len;
+		eeprom.offset += eeprom.len;
+		bytes_remaining -= eeprom.len;
+	}
+
+	eeprom.len = userbuf - (useraddr + sizeof(eeprom));
+	eeprom.offset -= eeprom.len;
+	if (copy_to_user(useraddr, &eeprom, sizeof(eeprom)))
+		ret = -EFAULT;
+
+	kfree(data);
+	return ret;
+}
+
+static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_eeprom eeprom;
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+	void __user *userbuf = useraddr + sizeof(eeprom);
+	u32 bytes_remaining;
+	u8 *data;
+	int ret = 0;
+
+	if (!ops->set_eeprom || !ops->get_eeprom_len)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&eeprom, useraddr, sizeof(eeprom)))
+		return -EFAULT;
+
+	/* Check for wrap and zero */
+	if (eeprom.offset + eeprom.len <= eeprom.offset)
+		return -EINVAL;
+
+	/* Check for exceeding total eeprom len */
+	if (eeprom.offset + eeprom.len > ops->get_eeprom_len(dev))
+		return -EINVAL;
+
+	data = kmalloc(PAGE_SIZE, GFP_USER);
+	if (!data)
+		return -ENOMEM;
+
+	bytes_remaining = eeprom.len;
+	while (bytes_remaining > 0) {
+		eeprom.len = min(bytes_remaining, (u32)PAGE_SIZE);
+
+		if (copy_from_user(data, userbuf, eeprom.len)) {
+			ret = -EFAULT;
+			break;
+		}
+		ret = ops->set_eeprom(dev, &eeprom, data);
+		if (ret)
+			break;
+		userbuf += eeprom.len;
+		eeprom.offset += eeprom.len;
+		bytes_remaining -= eeprom.len;
+	}
+
+	kfree(data);
+	return ret;
+}
+
+static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev,
+						   void __user *useraddr)
+{
+	struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
+
+	if (!dev->ethtool_ops->get_coalesce)
+		return -EOPNOTSUPP;
+
+	dev->ethtool_ops->get_coalesce(dev, &coalesce);
+
+	if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
+		return -EFAULT;
+	return 0;
+}
+
+static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev,
+						   void __user *useraddr)
+{
+	struct ethtool_coalesce coalesce;
+
+	if (!dev->ethtool_ops->set_coalesce)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&coalesce, useraddr, sizeof(coalesce)))
+		return -EFAULT;
+
+	return dev->ethtool_ops->set_coalesce(dev, &coalesce);
+}
+
+static int ethtool_get_ringparam(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_ringparam ringparam = { .cmd = ETHTOOL_GRINGPARAM };
+
+	if (!dev->ethtool_ops->get_ringparam)
+		return -EOPNOTSUPP;
+
+	dev->ethtool_ops->get_ringparam(dev, &ringparam);
+
+	if (copy_to_user(useraddr, &ringparam, sizeof(ringparam)))
+		return -EFAULT;
+	return 0;
+}
+
+static int ethtool_set_ringparam(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_ringparam ringparam;
+
+	if (!dev->ethtool_ops->set_ringparam)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&ringparam, useraddr, sizeof(ringparam)))
+		return -EFAULT;
+
+	return dev->ethtool_ops->set_ringparam(dev, &ringparam);
+}
+
+static noinline_for_stack int ethtool_get_channels(struct net_device *dev,
+						   void __user *useraddr)
+{
+	struct ethtool_channels channels = { .cmd = ETHTOOL_GCHANNELS };
+
+	if (!dev->ethtool_ops->get_channels)
+		return -EOPNOTSUPP;
+
+	dev->ethtool_ops->get_channels(dev, &channels);
+
+	if (copy_to_user(useraddr, &channels, sizeof(channels)))
+		return -EFAULT;
+	return 0;
+}
+
+static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
+						   void __user *useraddr)
+{
+	struct ethtool_channels channels;
+
+	if (!dev->ethtool_ops->set_channels)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&channels, useraddr, sizeof(channels)))
+		return -EFAULT;
+
+	return dev->ethtool_ops->set_channels(dev, &channels);
+}
+
+static int ethtool_get_pauseparam(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_pauseparam pauseparam = { ETHTOOL_GPAUSEPARAM };
+
+	if (!dev->ethtool_ops->get_pauseparam)
+		return -EOPNOTSUPP;
+
+	dev->ethtool_ops->get_pauseparam(dev, &pauseparam);
+
+	if (copy_to_user(useraddr, &pauseparam, sizeof(pauseparam)))
+		return -EFAULT;
+	return 0;
+}
+
+static int ethtool_set_pauseparam(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_pauseparam pauseparam;
+
+	if (!dev->ethtool_ops->set_pauseparam)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&pauseparam, useraddr, sizeof(pauseparam)))
+		return -EFAULT;
+
+	return dev->ethtool_ops->set_pauseparam(dev, &pauseparam);
+}
+
+static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
+{
+	struct ethtool_test test;
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+	u64 *data;
+	int ret, test_len;
+
+	if (!ops->self_test || !ops->get_sset_count)
+		return -EOPNOTSUPP;
+
+	test_len = ops->get_sset_count(dev, ETH_SS_TEST);
+	if (test_len < 0)
+		return test_len;
+	WARN_ON(test_len == 0);
+
+	if (copy_from_user(&test, useraddr, sizeof(test)))
+		return -EFAULT;
+
+	test.len = test_len;
+	data = kmalloc(test_len * sizeof(u64), GFP_USER);
+	if (!data)
+		return -ENOMEM;
+
+	ops->self_test(dev, &test, data);
+
+	ret = -EFAULT;
+	if (copy_to_user(useraddr, &test, sizeof(test)))
+		goto out;
+	useraddr += sizeof(test);
+	if (copy_to_user(useraddr, data, test.len * sizeof(u64)))
+		goto out;
+	ret = 0;
+
+ out:
+	kfree(data);
+	return ret;
+}
+
+static int ethtool_get_strings(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_gstrings gstrings;
+	u8 *data;
+	int ret;
+
+	if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
+		return -EFAULT;
+
+	ret = __ethtool_get_sset_count(dev, gstrings.string_set);
+	if (ret < 0)
+		return ret;
+
+	gstrings.len = ret;
+
+	data = kmalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
+	if (!data)
+		return -ENOMEM;
+
+	__ethtool_get_strings(dev, gstrings.string_set, data);
+
+	ret = -EFAULT;
+	if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
+		goto out;
+	useraddr += sizeof(gstrings);
+	if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
+		goto out;
+	ret = 0;
+
+out:
+	kfree(data);
+	return ret;
+}
+
+static int ethtool_phys_id(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_value id;
+	static bool busy;
+	int rc;
+
+	if (!dev->ethtool_ops->set_phys_id)
+		return -EOPNOTSUPP;
+
+	if (busy)
+		return -EBUSY;
+
+	if (copy_from_user(&id, useraddr, sizeof(id)))
+		return -EFAULT;
+
+	rc = dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_ACTIVE);
+	if (rc < 0)
+		return rc;
+
+	/* Drop the RTNL lock while waiting, but prevent reentry or
+	 * removal of the device.
+	 */
+	busy = true;
+	dev_hold(dev);
+	rtnl_unlock();
+
+	if (rc == 0) {
+		/* Driver will handle this itself */
+		schedule_timeout_interruptible(
+			id.data ? (id.data * HZ) : MAX_SCHEDULE_TIMEOUT);
+	} else {
+		/* Driver expects to be called at twice the frequency in rc */
+		int n = rc * 2, i, interval = HZ / n;
+
+		/* Count down seconds */
+		do {
+			/* Count down iterations per second */
+			i = n;
+			do {
+				rtnl_lock();
+				rc = dev->ethtool_ops->set_phys_id(dev,
+				    (i & 1) ? ETHTOOL_ID_OFF : ETHTOOL_ID_ON);
+				rtnl_unlock();
+				if (rc)
+					break;
+				schedule_timeout_interruptible(interval);
+			} while (!signal_pending(current) && --i != 0);
+		} while (!signal_pending(current) &&
+			 (id.data == 0 || --id.data != 0));
+	}
+
+	rtnl_lock();
+	dev_put(dev);
+	busy = false;
+
+	(void)dev->ethtool_ops->set_phys_id(dev, ETHTOOL_ID_INACTIVE);
+	return rc;
+}
+
+static int ethtool_get_stats(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_stats stats;
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+	u64 *data;
+	int ret, n_stats;
+
+	if (!ops->get_ethtool_stats || !ops->get_sset_count)
+		return -EOPNOTSUPP;
+
+	n_stats = ops->get_sset_count(dev, ETH_SS_STATS);
+	if (n_stats < 0)
+		return n_stats;
+	WARN_ON(n_stats == 0);
+
+	if (copy_from_user(&stats, useraddr, sizeof(stats)))
+		return -EFAULT;
+
+	stats.n_stats = n_stats;
+	data = kmalloc(n_stats * sizeof(u64), GFP_USER);
+	if (!data)
+		return -ENOMEM;
+
+	ops->get_ethtool_stats(dev, &stats, data);
+
+	ret = -EFAULT;
+	if (copy_to_user(useraddr, &stats, sizeof(stats)))
+		goto out;
+	useraddr += sizeof(stats);
+	if (copy_to_user(useraddr, data, stats.n_stats * sizeof(u64)))
+		goto out;
+	ret = 0;
+
+ out:
+	kfree(data);
+	return ret;
+}
+
+static int ethtool_get_perm_addr(struct net_device *dev, void __user *useraddr)
+{
+	struct ethtool_perm_addr epaddr;
+
+	if (copy_from_user(&epaddr, useraddr, sizeof(epaddr)))
+		return -EFAULT;
+
+	if (epaddr.size < dev->addr_len)
+		return -ETOOSMALL;
+	epaddr.size = dev->addr_len;
+
+	if (copy_to_user(useraddr, &epaddr, sizeof(epaddr)))
+		return -EFAULT;
+	useraddr += sizeof(epaddr);
+	if (copy_to_user(useraddr, dev->perm_addr, epaddr.size))
+		return -EFAULT;
+	return 0;
+}
+
+static int ethtool_get_value(struct net_device *dev, char __user *useraddr,
+			     u32 cmd, u32 (*actor)(struct net_device *))
+{
+	struct ethtool_value edata = { .cmd = cmd };
+
+	if (!actor)
+		return -EOPNOTSUPP;
+
+	edata.data = actor(dev);
+
+	if (copy_to_user(useraddr, &edata, sizeof(edata)))
+		return -EFAULT;
+	return 0;
+}
+
+static int ethtool_set_value_void(struct net_device *dev, char __user *useraddr,
+			     void (*actor)(struct net_device *, u32))
+{
+	struct ethtool_value edata;
+
+	if (!actor)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&edata, useraddr, sizeof(edata)))
+		return -EFAULT;
+
+	actor(dev, edata.data);
+	return 0;
+}
+
+static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
+			     int (*actor)(struct net_device *, u32))
+{
+	struct ethtool_value edata;
+
+	if (!actor)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&edata, useraddr, sizeof(edata)))
+		return -EFAULT;
+
+	return actor(dev, edata.data);
+}
+
+static noinline_for_stack int ethtool_flash_device(struct net_device *dev,
+						   char __user *useraddr)
+{
+	struct ethtool_flash efl;
+
+	if (copy_from_user(&efl, useraddr, sizeof(efl)))
+		return -EFAULT;
+
+	if (!dev->ethtool_ops->flash_device)
+		return -EOPNOTSUPP;
+
+	efl.data[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
+
+	return dev->ethtool_ops->flash_device(dev, &efl);
+}
+
+static int ethtool_set_dump(struct net_device *dev,
+			void __user *useraddr)
+{
+	struct ethtool_dump dump;
+
+	if (!dev->ethtool_ops->set_dump)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&dump, useraddr, sizeof(dump)))
+		return -EFAULT;
+
+	return dev->ethtool_ops->set_dump(dev, &dump);
+}
+
+static int ethtool_get_dump_flag(struct net_device *dev,
+				void __user *useraddr)
+{
+	int ret;
+	struct ethtool_dump dump;
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+
+	if (!dev->ethtool_ops->get_dump_flag)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&dump, useraddr, sizeof(dump)))
+		return -EFAULT;
+
+	ret = ops->get_dump_flag(dev, &dump);
+	if (ret)
+		return ret;
+
+	if (copy_to_user(useraddr, &dump, sizeof(dump)))
+		return -EFAULT;
+	return 0;
+}
+
+static int ethtool_get_dump_data(struct net_device *dev,
+				void __user *useraddr)
+{
+	int ret;
+	__u32 len;
+	struct ethtool_dump dump, tmp;
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+	void *data = NULL;
+
+	if (!dev->ethtool_ops->get_dump_data ||
+		!dev->ethtool_ops->get_dump_flag)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&dump, useraddr, sizeof(dump)))
+		return -EFAULT;
+
+	memset(&tmp, 0, sizeof(tmp));
+	tmp.cmd = ETHTOOL_GET_DUMP_FLAG;
+	ret = ops->get_dump_flag(dev, &tmp);
+	if (ret)
+		return ret;
+
+	len = (tmp.len > dump.len) ? dump.len : tmp.len;
+	if (!len)
+		return -EFAULT;
+
+	data = vzalloc(tmp.len);
+	if (!data)
+		return -ENOMEM;
+	ret = ops->get_dump_data(dev, &dump, data);
+	if (ret)
+		goto out;
+
+	if (copy_to_user(useraddr, &dump, sizeof(dump))) {
+		ret = -EFAULT;
+		goto out;
+	}
+	useraddr += offsetof(struct ethtool_dump, data);
+	if (copy_to_user(useraddr, data, len))
+		ret = -EFAULT;
+out:
+	vfree(data);
+	return ret;
+}
+
+/* The main entry point in this file.  Called from net/core/dev.c */
+
+int dev_ethtool(struct net *net, struct ifreq *ifr)
+{
+	struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name);
+	void __user *useraddr = ifr->ifr_data;
+	u32 ethcmd;
+	int rc;
+	u32 old_features;
+
+	if (!dev || !netif_device_present(dev))
+		return -ENODEV;
+
+	if (copy_from_user(&ethcmd, useraddr, sizeof(ethcmd)))
+		return -EFAULT;
+
+	if (!dev->ethtool_ops) {
+		/* ETHTOOL_GDRVINFO does not require any driver support.
+		 * It is also unprivileged and does not change anything,
+		 * so we can take a shortcut to it. */
+		if (ethcmd == ETHTOOL_GDRVINFO)
+			return ethtool_get_drvinfo(dev, useraddr);
+		else
+			return -EOPNOTSUPP;
+	}
+
+	/* Allow some commands to be done by anyone */
+	switch (ethcmd) {
+	case ETHTOOL_GSET:
+	case ETHTOOL_GDRVINFO:
+	case ETHTOOL_GMSGLVL:
+	case ETHTOOL_GCOALESCE:
+	case ETHTOOL_GRINGPARAM:
+	case ETHTOOL_GPAUSEPARAM:
+	case ETHTOOL_GRXCSUM:
+	case ETHTOOL_GTXCSUM:
+	case ETHTOOL_GSG:
+	case ETHTOOL_GSSET_INFO:
+	case ETHTOOL_GSTRINGS:
+	case ETHTOOL_GTSO:
+	case ETHTOOL_GPERMADDR:
+	case ETHTOOL_GUFO:
+	case ETHTOOL_GGSO:
+	case ETHTOOL_GGRO:
+	case ETHTOOL_GFLAGS:
+	case ETHTOOL_GPFLAGS:
+	case ETHTOOL_GRXFH:
+	case ETHTOOL_GRXRINGS:
+	case ETHTOOL_GRXCLSRLCNT:
+	case ETHTOOL_GRXCLSRULE:
+	case ETHTOOL_GRXCLSRLALL:
+	case ETHTOOL_GFEATURES:
+		break;
+	default:
+		if (!capable(CAP_NET_ADMIN))
+			return -EPERM;
+	}
+
+	if (dev->ethtool_ops->begin) {
+		rc = dev->ethtool_ops->begin(dev);
+		if (rc  < 0)
+			return rc;
+	}
+	old_features = dev->features;
+
+	switch (ethcmd) {
+	case ETHTOOL_GSET:
+		rc = ethtool_get_settings(dev, useraddr);
+		break;
+	case ETHTOOL_SSET:
+		rc = ethtool_set_settings(dev, useraddr);
+		break;
+	case ETHTOOL_GDRVINFO:
+		rc = ethtool_get_drvinfo(dev, useraddr);
+		break;
+	case ETHTOOL_GREGS:
+		rc = ethtool_get_regs(dev, useraddr);
+		break;
+	case ETHTOOL_GWOL:
+		rc = ethtool_get_wol(dev, useraddr);
+		break;
+	case ETHTOOL_SWOL:
+		rc = ethtool_set_wol(dev, useraddr);
+		break;
+	case ETHTOOL_GMSGLVL:
+		rc = ethtool_get_value(dev, useraddr, ethcmd,
+				       dev->ethtool_ops->get_msglevel);
+		break;
+	case ETHTOOL_SMSGLVL:
+		rc = ethtool_set_value_void(dev, useraddr,
+				       dev->ethtool_ops->set_msglevel);
+		break;
+	case ETHTOOL_NWAY_RST:
+		rc = ethtool_nway_reset(dev);
+		break;
+	case ETHTOOL_GLINK:
+		rc = ethtool_get_link(dev, useraddr);
+		break;
+	case ETHTOOL_GEEPROM:
+		rc = ethtool_get_eeprom(dev, useraddr);
+		break;
+	case ETHTOOL_SEEPROM:
+		rc = ethtool_set_eeprom(dev, useraddr);
+		break;
+	case ETHTOOL_GCOALESCE:
+		rc = ethtool_get_coalesce(dev, useraddr);
+		break;
+	case ETHTOOL_SCOALESCE:
+		rc = ethtool_set_coalesce(dev, useraddr);
+		break;
+	case ETHTOOL_GRINGPARAM:
+		rc = ethtool_get_ringparam(dev, useraddr);
+		break;
+	case ETHTOOL_SRINGPARAM:
+		rc = ethtool_set_ringparam(dev, useraddr);
+		break;
+	case ETHTOOL_GPAUSEPARAM:
+		rc = ethtool_get_pauseparam(dev, useraddr);
+		break;
+	case ETHTOOL_SPAUSEPARAM:
+		rc = ethtool_set_pauseparam(dev, useraddr);
+		break;
+	case ETHTOOL_TEST:
+		rc = ethtool_self_test(dev, useraddr);
+		break;
+	case ETHTOOL_GSTRINGS:
+		rc = ethtool_get_strings(dev, useraddr);
+		break;
+	case ETHTOOL_PHYS_ID:
+		rc = ethtool_phys_id(dev, useraddr);
+		break;
+	case ETHTOOL_GSTATS:
+		rc = ethtool_get_stats(dev, useraddr);
+		break;
+	case ETHTOOL_GPERMADDR:
+		rc = ethtool_get_perm_addr(dev, useraddr);
+		break;
+	case ETHTOOL_GFLAGS:
+		rc = ethtool_get_value(dev, useraddr, ethcmd,
+					__ethtool_get_flags);
+		break;
+	case ETHTOOL_SFLAGS:
+		rc = ethtool_set_value(dev, useraddr, __ethtool_set_flags);
+		break;
+	case ETHTOOL_GPFLAGS:
+		rc = ethtool_get_value(dev, useraddr, ethcmd,
+				       dev->ethtool_ops->get_priv_flags);
+		break;
+	case ETHTOOL_SPFLAGS:
+		rc = ethtool_set_value(dev, useraddr,
+				       dev->ethtool_ops->set_priv_flags);
+		break;
+	case ETHTOOL_GRXFH:
+	case ETHTOOL_GRXRINGS:
+	case ETHTOOL_GRXCLSRLCNT:
+	case ETHTOOL_GRXCLSRULE:
+	case ETHTOOL_GRXCLSRLALL:
+		rc = ethtool_get_rxnfc(dev, ethcmd, useraddr);
+		break;
+	case ETHTOOL_SRXFH:
+	case ETHTOOL_SRXCLSRLDEL:
+	case ETHTOOL_SRXCLSRLINS:
+		rc = ethtool_set_rxnfc(dev, ethcmd, useraddr);
+		break;
+	case ETHTOOL_FLASHDEV:
+		rc = ethtool_flash_device(dev, useraddr);
+		break;
+	case ETHTOOL_RESET:
+		rc = ethtool_reset(dev, useraddr);
+		break;
+	case ETHTOOL_GSSET_INFO:
+		rc = ethtool_get_sset_info(dev, useraddr);
+		break;
+	case ETHTOOL_GRXFHINDIR:
+		rc = ethtool_get_rxfh_indir(dev, useraddr);
+		break;
+	case ETHTOOL_SRXFHINDIR:
+		rc = ethtool_set_rxfh_indir(dev, useraddr);
+		break;
+	case ETHTOOL_GFEATURES:
+		rc = ethtool_get_features(dev, useraddr);
+		break;
+	case ETHTOOL_SFEATURES:
+		rc = ethtool_set_features(dev, useraddr);
+		break;
+	case ETHTOOL_GTXCSUM:
+	case ETHTOOL_GRXCSUM:
+	case ETHTOOL_GSG:
+	case ETHTOOL_GTSO:
+	case ETHTOOL_GUFO:
+	case ETHTOOL_GGSO:
+	case ETHTOOL_GGRO:
+		rc = ethtool_get_one_feature(dev, useraddr, ethcmd);
+		break;
+	case ETHTOOL_STXCSUM:
+	case ETHTOOL_SRXCSUM:
+	case ETHTOOL_SSG:
+	case ETHTOOL_STSO:
+	case ETHTOOL_SUFO:
+	case ETHTOOL_SGSO:
+	case ETHTOOL_SGRO:
+		rc = ethtool_set_one_feature(dev, useraddr, ethcmd);
+		break;
+	case ETHTOOL_GCHANNELS:
+		rc = ethtool_get_channels(dev, useraddr);
+		break;
+	case ETHTOOL_SCHANNELS:
+		rc = ethtool_set_channels(dev, useraddr);
+		break;
+	case ETHTOOL_SET_DUMP:
+		rc = ethtool_set_dump(dev, useraddr);
+		break;
+	case ETHTOOL_GET_DUMP_FLAG:
+		rc = ethtool_get_dump_flag(dev, useraddr);
+		break;
+	case ETHTOOL_GET_DUMP_DATA:
+		rc = ethtool_get_dump_data(dev, useraddr);
+		break;
+	default:
+		rc = -EOPNOTSUPP;
+	}
+
+	if (dev->ethtool_ops->complete)
+		dev->ethtool_ops->complete(dev);
+
+	if (old_features != dev->features)
+		netdev_features_change(dev);
+
+	return rc;
+}