Adding upstream version 1:6.7.upstream/1%6.7

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

1 files changed, 6488 insertions, 0 deletions

diff --git a/ethtool.c b/ethtool.c
new file mode 100644
index 0000000..3ac15a7
--- /dev/null
+++ b/ethtool.c
@@ -0,0 +1,6488 @@
+/*
+ * ethtool.c: Linux ethernet device configuration tool.
+ *
+ * Copyright (C) 1998 David S. Miller (davem@dm.cobaltmicro.com)
+ * Portions Copyright 2001 Sun Microsystems
+ * Kernel 2.4 update Copyright 2001 Jeff Garzik <jgarzik@mandrakesoft.com>
+ * Wake-on-LAN,natsemi,misc support by Tim Hockin <thockin@sun.com>
+ * Portions Copyright 2002 Intel
+ * Portions Copyright (C) Sun Microsystems 2008
+ * do_test support by Eli Kupermann <eli.kupermann@intel.com>
+ * ETHTOOL_PHYS_ID support by Chris Leech <christopher.leech@intel.com>
+ * e1000 support by Scott Feldman <scott.feldman@intel.com>
+ * e100 support by Wen Tao <wen-hwa.tao@intel.com>
+ * ixgb support by Nicholas Nunley <Nicholas.d.nunley@intel.com>
+ * amd8111e support by Reeja John <reeja.john@amd.com>
+ * long arguments by Andi Kleen.
+ * SMSC LAN911x support by Steve Glendinning <steve.glendinning@smsc.com>
+ * Rx Network Flow Control configuration support <santwona.behera@sun.com>
+ * Various features by Ben Hutchings <bhutchings@solarflare.com>;
+ *	Copyright 2009, 2010 Solarflare Communications
+ * MDI-X set support by Jesse Brandeburg <jesse.brandeburg@intel.com>
+ *	Copyright 2012 Intel Corporation
+ * vmxnet3 support by Shrikrishna Khare <skhare@vmware.com>
+ * Various features by Ben Hutchings <ben@decadent.org.uk>;
+ *	Copyright 2008-2010, 2013-2016 Ben Hutchings
+ * QSFP+/QSFP28 DOM support by Vidya Sagar Ravipati <vidya@cumulusnetworks.com>
+ *
+ * TODO:
+ *   * show settings for all devices
+ */
+
+#include "internal.h"
+#include <string.h>
+#include <strings.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <errno.h>
+#include <sys/utsname.h>
+#include <limits.h>
+#include <ctype.h>
+#include <inttypes.h>
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <linux/ioctl.h>
+#include <linux/sockios.h>
+#include <linux/netlink.h>
+
+#include "common.h"
+#include "netlink/extapi.h"
+
+#ifndef MAX_ADDR_LEN
+#define MAX_ADDR_LEN	32
+#endif
+
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+
+static void exit_bad_args(void) __attribute__((noreturn));
+
+static void exit_bad_args(void)
+{
+	fprintf(stderr,
+		"ethtool: bad command line argument(s)\n"
+		"For more information run ethtool -h\n");
+	exit(1);
+}
+
+static void exit_nlonly_param(const char *name) __attribute__((noreturn));
+
+static void exit_nlonly_param(const char *name)
+{
+	fprintf(stderr,
+		"ethtool: parameter '%s' can be used only with netlink\n",
+		name);
+	exit(1);
+}
+
+typedef enum {
+	CMDL_NONE,
+	CMDL_BOOL,
+	CMDL_S32,
+	CMDL_U8,
+	CMDL_U16,
+	CMDL_U32,
+	CMDL_U64,
+	CMDL_BE16,
+	CMDL_IP4,
+	CMDL_STR,
+	CMDL_FLAG,
+	CMDL_MAC,
+} cmdline_type_t;
+
+struct cmdline_info {
+	const char *name;
+	cmdline_type_t type;
+	/* Points to int (BOOL), s32, u16, u32 (U32/FLAG/IP4), u64,
+	 * char * (STR) or u8[6] (MAC).  For FLAG, the value accumulates
+	 * all flags to be set. */
+	void *wanted_val;
+	void *ioctl_val;
+	/* For FLAG, the flag value to be set/cleared */
+	u32 flag_val;
+	/* For FLAG, points to u32 and accumulates all flags seen.
+	 * For anything else, points to int and is set if the option is
+	 * seen. */
+	void *seen_val;
+};
+
+struct feature_def {
+	char name[ETH_GSTRING_LEN];
+	int off_flag_index; /* index in off_flag_def; negative if none match */
+};
+
+struct feature_defs {
+	size_t n_features;
+	/* Number of features each offload flag is associated with */
+	unsigned int off_flag_matched[OFF_FLAG_DEF_SIZE];
+	/* Name and offload flag index for each feature */
+	struct feature_def def[0];
+};
+
+#define FEATURE_BITS_TO_BLOCKS(n_bits)		DIV_ROUND_UP(n_bits, 32U)
+#define FEATURE_WORD(blocks, index, field)	((blocks)[(index) / 32U].field)
+#define FEATURE_FIELD_FLAG(index)		(1U << (index) % 32U)
+#define FEATURE_BIT_SET(blocks, index, field)			\
+	(FEATURE_WORD(blocks, index, field) |= FEATURE_FIELD_FLAG(index))
+#define FEATURE_BIT_CLEAR(blocks, index, field)			\
+	(FEATURE_WORD(blocks, index, filed) &= ~FEATURE_FIELD_FLAG(index))
+#define FEATURE_BIT_IS_SET(blocks, index, field)		\
+	(FEATURE_WORD(blocks, index, field) & FEATURE_FIELD_FLAG(index))
+
+static long long
+get_int_range(char *str, int base, long long min, long long max)
+{
+	long long v;
+	char *endp;
+
+	if (!str)
+		exit_bad_args();
+	errno = 0;
+	v = strtoll(str, &endp, base);
+	if (errno || *endp || v < min || v > max)
+		exit_bad_args();
+	return v;
+}
+
+static unsigned long long
+get_uint_range(char *str, int base, unsigned long long max)
+{
+	unsigned long long v;
+	char *endp;
+
+	if (!str)
+		exit_bad_args();
+	errno = 0;
+	v = strtoull(str, &endp, base);
+	if (errno || *endp || v > max)
+		exit_bad_args();
+	return v;
+}
+
+static int get_int(char *str, int base)
+{
+	return get_int_range(str, base, INT_MIN, INT_MAX);
+}
+
+static u32 get_u32(char *str, int base)
+{
+	return get_uint_range(str, base, 0xffffffff);
+}
+
+static void get_mac_addr(char *src, unsigned char *dest)
+{
+	int count;
+	int i;
+	int buf[ETH_ALEN];
+
+	count = sscanf(src, "%2x:%2x:%2x:%2x:%2x:%2x",
+		&buf[0], &buf[1], &buf[2], &buf[3], &buf[4], &buf[5]);
+	if (count != ETH_ALEN)
+		exit_bad_args();
+
+	for (i = 0; i < count; i++)
+		dest[i] = buf[i];
+}
+
+static int parse_hex_u32_bitmap(const char *s,
+				unsigned int nbits, u32 *result)
+{
+	const unsigned int nwords = __KERNEL_DIV_ROUND_UP(nbits, 32);
+	size_t slen = strlen(s);
+	size_t i;
+
+	/* ignore optional '0x' prefix */
+	if ((slen > 2) && (strncasecmp(s, "0x", 2) == 0)) {
+		slen -= 2;
+		s += 2;
+	}
+
+	if (slen > 8 * nwords)  /* up to 2 digits per byte */
+		return -1;
+
+	memset(result, 0, 4 * nwords);
+	for (i = 0; i < slen; ++i) {
+		const unsigned int shift = (slen - 1 - i) * 4;
+		u32 *dest = &result[shift / 32];
+		u32 nibble;
+
+		if ('a' <= s[i] && s[i] <= 'f')
+			nibble = 0xa + (s[i] - 'a');
+		else if ('A' <= s[i] && s[i] <= 'F')
+			nibble = 0xa + (s[i] - 'A');
+		else if ('0' <= s[i] && s[i] <= '9')
+			nibble = (s[i] - '0');
+		else
+			return -1;
+
+		*dest |= (nibble << (shift % 32));
+	}
+
+	return 0;
+}
+
+static void parse_generic_cmdline(struct cmd_context *ctx,
+				  int *changed,
+				  struct cmdline_info *info,
+				  unsigned int n_info)
+{
+	unsigned int argc = ctx->argc;
+	char **argp = ctx->argp;
+	unsigned int i, idx;
+	int found;
+
+	for (i = 0; i < argc; i++) {
+		found = 0;
+		for (idx = 0; idx < n_info; idx++) {
+			if (!strcmp(info[idx].name, argp[i])) {
+				found = 1;
+				*changed = 1;
+				if (info[idx].type != CMDL_FLAG &&
+				    info[idx].seen_val)
+					*(int *)info[idx].seen_val = 1;
+				i += 1;
+				if (i >= argc)
+					exit_bad_args();
+				switch (info[idx].type) {
+				case CMDL_BOOL: {
+					int *p = info[idx].wanted_val;
+					if (!strcmp(argp[i], "on"))
+						*p = 1;
+					else if (!strcmp(argp[i], "off"))
+						*p = 0;
+					else
+						exit_bad_args();
+					break;
+				}
+				case CMDL_S32: {
+					s32 *p = info[idx].wanted_val;
+					*p = get_int_range(argp[i], 0,
+							   -0x80000000LL,
+							   0x7fffffff);
+					break;
+				}
+				case CMDL_U8: {
+					u8 *p = info[idx].wanted_val;
+					*p = get_uint_range(argp[i], 0, 0xff);
+					break;
+				}
+				case CMDL_U16: {
+					u16 *p = info[idx].wanted_val;
+					*p = get_uint_range(argp[i], 0, 0xffff);
+					break;
+				}
+				case CMDL_U32: {
+					u32 *p = info[idx].wanted_val;
+					*p = get_uint_range(argp[i], 0,
+							    0xffffffff);
+					break;
+				}
+				case CMDL_U64: {
+					u64 *p = info[idx].wanted_val;
+					*p = get_uint_range(
+						argp[i], 0,
+						0xffffffffffffffffLL);
+					break;
+				}
+				case CMDL_BE16: {
+					u16 *p = info[idx].wanted_val;
+					*p = cpu_to_be16(
+						get_uint_range(argp[i], 0,
+							       0xffff));
+					break;
+				}
+				case CMDL_IP4: {
+					u32 *p = info[idx].wanted_val;
+					struct in_addr in;
+					if (!inet_pton(AF_INET, argp[i], &in))
+						exit_bad_args();
+					*p = in.s_addr;
+					break;
+				}
+				case CMDL_MAC:
+					get_mac_addr(argp[i],
+						     info[idx].wanted_val);
+					break;
+				case CMDL_FLAG: {
+					u32 *p;
+					p = info[idx].seen_val;
+					*p |= info[idx].flag_val;
+					if (!strcmp(argp[i], "on")) {
+						p = info[idx].wanted_val;
+						*p |= info[idx].flag_val;
+					} else if (strcmp(argp[i], "off")) {
+						exit_bad_args();
+					}
+					break;
+				}
+				case CMDL_STR: {
+					char **s = info[idx].wanted_val;
+					*s = strdup(argp[i]);
+					break;
+				}
+				default:
+					exit_bad_args();
+				}
+				break;
+			}
+		}
+		if (!found)
+			exit_bad_args();
+	}
+}
+
+static void flag_to_cmdline_info(const char *name, u32 value,
+				 u32 *wanted, u32 *mask,
+				 struct cmdline_info *cli)
+{
+	memset(cli, 0, sizeof(*cli));
+	cli->name = name;
+	cli->type = CMDL_FLAG;
+	cli->flag_val = value;
+	cli->wanted_val = wanted;
+	cli->seen_val = mask;
+}
+
+static int rxflow_str_to_type(const char *str)
+{
+	int flow_type = 0;
+
+	if (!strcmp(str, "tcp4"))
+		flow_type = TCP_V4_FLOW;
+	else if (!strcmp(str, "udp4"))
+		flow_type = UDP_V4_FLOW;
+	else if (!strcmp(str, "ah4") || !strcmp(str, "esp4"))
+		flow_type = AH_ESP_V4_FLOW;
+	else if (!strcmp(str, "sctp4"))
+		flow_type = SCTP_V4_FLOW;
+	else if (!strcmp(str, "tcp6"))
+		flow_type = TCP_V6_FLOW;
+	else if (!strcmp(str, "udp6"))
+		flow_type = UDP_V6_FLOW;
+	else if (!strcmp(str, "ah6") || !strcmp(str, "esp6"))
+		flow_type = AH_ESP_V6_FLOW;
+	else if (!strcmp(str, "sctp6"))
+		flow_type = SCTP_V6_FLOW;
+	else if (!strcmp(str, "ether"))
+		flow_type = ETHER_FLOW;
+
+	return flow_type;
+}
+
+static int do_version(struct cmd_context *ctx __maybe_unused)
+{
+	fprintf(stdout,
+		PACKAGE " version " VERSION
+#ifndef ETHTOOL_ENABLE_PRETTY_DUMP
+		" (pretty dumps disabled)"
+#endif
+		"\n");
+	return 0;
+}
+
+/* link mode routines */
+
+static ETHTOOL_DECLARE_LINK_MODE_MASK(all_advertised_modes);
+static ETHTOOL_DECLARE_LINK_MODE_MASK(all_advertised_flags);
+
+static void init_global_link_mode_masks(void)
+{
+	static const enum ethtool_link_mode_bit_indices
+		all_advertised_modes_bits[] = {
+		ETHTOOL_LINK_MODE_10baseT_Half_BIT,
+		ETHTOOL_LINK_MODE_10baseT_Full_BIT,
+		ETHTOOL_LINK_MODE_100baseT_Half_BIT,
+		ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+		ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
+		ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+		ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
+		ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
+		ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
+		ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
+		ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
+		ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
+		ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT,
+		ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
+		ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
+		ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
+		ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
+		ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
+		ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT,
+		ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT,
+		ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT,
+		ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT,
+		ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
+		ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
+		ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
+		ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
+		ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
+		ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
+		ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
+		ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
+		ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
+		ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
+		ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
+		ETHTOOL_LINK_MODE_10000baseER_Full_BIT,
+		ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
+		ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
+		ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
+		ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
+		ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
+		ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
+		ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
+		ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
+		ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
+		ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
+		ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
+		ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
+		ETHTOOL_LINK_MODE_100baseT1_Full_BIT,
+		ETHTOOL_LINK_MODE_1000baseT1_Full_BIT,
+		ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT,
+		ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT,
+		ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT,
+		ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT,
+		ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseKR_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseSR_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseCR_Full_BIT,
+		ETHTOOL_LINK_MODE_100000baseDR_Full_BIT,
+		ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT,
+		ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT,
+		ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT,
+		ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT,
+		ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT,
+		ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT,
+		ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT,
+		ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT,
+		ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT,
+		ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT,
+		ETHTOOL_LINK_MODE_100baseFX_Half_BIT,
+		ETHTOOL_LINK_MODE_100baseFX_Full_BIT,
+		ETHTOOL_LINK_MODE_10baseT1L_Full_BIT,
+		ETHTOOL_LINK_MODE_800000baseCR8_Full_BIT,
+		ETHTOOL_LINK_MODE_800000baseKR8_Full_BIT,
+		ETHTOOL_LINK_MODE_800000baseDR8_Full_BIT,
+		ETHTOOL_LINK_MODE_800000baseDR8_2_Full_BIT,
+		ETHTOOL_LINK_MODE_800000baseSR8_Full_BIT,
+		ETHTOOL_LINK_MODE_800000baseVR8_Full_BIT,
+		ETHTOOL_LINK_MODE_10baseT1S_Full_BIT,
+		ETHTOOL_LINK_MODE_10baseT1S_Half_BIT,
+		ETHTOOL_LINK_MODE_10baseT1S_P2MP_Half_BIT,
+	};
+	static const enum ethtool_link_mode_bit_indices
+		additional_advertised_flags_bits[] = {
+		ETHTOOL_LINK_MODE_Autoneg_BIT,
+		ETHTOOL_LINK_MODE_TP_BIT,
+		ETHTOOL_LINK_MODE_AUI_BIT,
+		ETHTOOL_LINK_MODE_MII_BIT,
+		ETHTOOL_LINK_MODE_FIBRE_BIT,
+		ETHTOOL_LINK_MODE_BNC_BIT,
+		ETHTOOL_LINK_MODE_Pause_BIT,
+		ETHTOOL_LINK_MODE_Asym_Pause_BIT,
+		ETHTOOL_LINK_MODE_Backplane_BIT,
+		ETHTOOL_LINK_MODE_FEC_NONE_BIT,
+		ETHTOOL_LINK_MODE_FEC_RS_BIT,
+		ETHTOOL_LINK_MODE_FEC_BASER_BIT,
+		ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
+	};
+	unsigned int i;
+
+	ethtool_link_mode_zero(all_advertised_modes);
+	ethtool_link_mode_zero(all_advertised_flags);
+	for (i = 0; i < ARRAY_SIZE(all_advertised_modes_bits); ++i) {
+		ethtool_link_mode_set_bit(all_advertised_modes_bits[i],
+					  all_advertised_modes);
+		ethtool_link_mode_set_bit(all_advertised_modes_bits[i],
+					  all_advertised_flags);
+	}
+
+	for (i = 0; i < ARRAY_SIZE(additional_advertised_flags_bits); ++i) {
+		ethtool_link_mode_set_bit(
+			additional_advertised_flags_bits[i],
+			all_advertised_flags);
+	}
+}
+
+static void dump_link_caps(const char *prefix, const char *an_prefix,
+			   const u32 *mask, int link_mode_only);
+
+static void dump_supported(const struct ethtool_link_usettings *link_usettings)
+{
+	fprintf(stdout, "	Supported ports: [ ");
+	if (ethtool_link_mode_test_bit(
+		    ETHTOOL_LINK_MODE_TP_BIT,
+		    link_usettings->link_modes.supported))
+		fprintf(stdout, "TP ");
+	if (ethtool_link_mode_test_bit(
+		    ETHTOOL_LINK_MODE_AUI_BIT,
+		    link_usettings->link_modes.supported))
+		fprintf(stdout, "AUI ");
+	if (ethtool_link_mode_test_bit(
+		    ETHTOOL_LINK_MODE_BNC_BIT,
+		    link_usettings->link_modes.supported))
+		fprintf(stdout, "BNC ");
+	if (ethtool_link_mode_test_bit(
+		    ETHTOOL_LINK_MODE_MII_BIT,
+		    link_usettings->link_modes.supported))
+		fprintf(stdout, "MII ");
+	if (ethtool_link_mode_test_bit(
+		    ETHTOOL_LINK_MODE_FIBRE_BIT,
+		    link_usettings->link_modes.supported))
+		fprintf(stdout, "FIBRE ");
+	if (ethtool_link_mode_test_bit(
+		    ETHTOOL_LINK_MODE_Backplane_BIT,
+		    link_usettings->link_modes.supported))
+		fprintf(stdout, "Backplane ");
+	fprintf(stdout, "]\n");
+
+	dump_link_caps("Supported", "Supports",
+		       link_usettings->link_modes.supported, 0);
+}
+
+/* Print link capability flags (supported, advertised or lp_advertised).
+ * Assumes that the corresponding SUPPORTED and ADVERTISED flags are equal.
+ */
+static void dump_link_caps(const char *prefix, const char *an_prefix,
+			   const u32 *mask, int link_mode_only)
+{
+	static const struct {
+		int same_line; /* print on same line as previous */
+		unsigned int bit_index;
+		const char *name;
+	} mode_defs[] = {
+		{ 0, ETHTOOL_LINK_MODE_10baseT_Half_BIT,
+		  "10baseT/Half" },
+		{ 1, ETHTOOL_LINK_MODE_10baseT_Full_BIT,
+		  "10baseT/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100baseT_Half_BIT,
+		  "100baseT/Half" },
+		{ 1, ETHTOOL_LINK_MODE_100baseT_Full_BIT,
+		  "100baseT/Full" },
+		{ 0, ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
+		  "1000baseT/Half" },
+		{ 1, ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
+		  "1000baseT/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10000baseT_Full_BIT,
+		  "10000baseT/Full" },
+		{ 0, ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
+		  "2500baseX/Full" },
+		{ 0, ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
+		  "1000baseKX/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
+		  "10000baseKX4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
+		  "10000baseKR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10000baseR_FEC_BIT,
+		  "10000baseR_FEC" },
+		{ 0, ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT,
+		  "20000baseMLD2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT,
+		  "20000baseKR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
+		  "40000baseKR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
+		  "40000baseCR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
+		  "40000baseSR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
+		  "40000baseLR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT,
+		  "56000baseKR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT,
+		  "56000baseCR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT,
+		  "56000baseSR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT,
+		  "56000baseLR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
+		  "25000baseCR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
+		  "25000baseKR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
+		  "25000baseSR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
+		  "50000baseCR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
+		  "50000baseKR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
+		  "100000baseKR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
+		  "100000baseSR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
+		  "100000baseCR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
+		  "100000baseLR4_ER4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
+		  "50000baseSR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
+		  "1000baseX/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
+		  "10000baseCR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
+		  "10000baseSR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10000baseLR_Full_BIT,
+		  "10000baseLR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT,
+		  "10000baseLRM/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10000baseER_Full_BIT,
+		  "10000baseER/Full" },
+		{ 0, ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
+		  "2500baseT/Full" },
+		{ 0, ETHTOOL_LINK_MODE_5000baseT_Full_BIT,
+		  "5000baseT/Full" },
+		{ 0, ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
+		  "50000baseKR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
+		  "50000baseSR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
+		  "50000baseCR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
+		  "50000baseLR_ER_FR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
+		  "50000baseDR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
+		  "100000baseKR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
+		  "100000baseSR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
+		  "100000baseCR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
+		  "100000baseLR2_ER2_FR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
+		  "100000baseDR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT,
+		  "200000baseKR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT,
+		  "200000baseSR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT,
+		  "200000baseLR4_ER4_FR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT,
+		  "200000baseDR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT,
+		  "200000baseCR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100baseT1_Full_BIT,
+		  "100baseT1/Full" },
+		{ 0, ETHTOOL_LINK_MODE_1000baseT1_Full_BIT,
+		  "1000baseT1/Full" },
+		{ 0, ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT,
+		  "400000baseKR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT,
+		  "400000baseSR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT,
+		  "400000baseLR8_ER8_FR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT,
+		  "400000baseDR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT,
+		  "400000baseCR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseKR_Full_BIT,
+		  "100000baseKR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseSR_Full_BIT,
+		  "100000baseSR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT,
+		  "100000baseLR_ER_FR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseDR_Full_BIT,
+		  "100000baseDR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100000baseCR_Full_BIT,
+		  "100000baseCR/Full" },
+		{ 0, ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT,
+		  "200000baseKR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT,
+		  "200000baseSR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT,
+		  "200000baseLR2_ER2_FR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT,
+		  "200000baseDR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT,
+		  "200000baseCR2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT,
+		  "400000baseKR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT,
+		  "400000baseSR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT,
+		  "400000baseLR4_ER4_FR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT,
+		  "400000baseDR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT,
+		  "400000baseCR4/Full" },
+		{ 0, ETHTOOL_LINK_MODE_100baseFX_Half_BIT,
+		  "100baseFX/Half" },
+		{ 1, ETHTOOL_LINK_MODE_100baseFX_Full_BIT,
+		  "100baseFX/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10baseT1L_Full_BIT,
+		  "10baseT1L/Full" },
+		{ 0, ETHTOOL_LINK_MODE_800000baseCR8_Full_BIT,
+		  "800000baseCR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_800000baseKR8_Full_BIT,
+		  "800000baseKR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_800000baseDR8_Full_BIT,
+		  "800000baseDR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_800000baseDR8_2_Full_BIT,
+		  "800000baseDR8_2/Full" },
+		{ 0, ETHTOOL_LINK_MODE_800000baseSR8_Full_BIT,
+		  "800000baseSR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_800000baseVR8_Full_BIT,
+		  "800000baseVR8/Full" },
+		{ 0, ETHTOOL_LINK_MODE_10baseT1S_Full_BIT,
+		  "10baseT1S/Full" },
+		{ 1, ETHTOOL_LINK_MODE_10baseT1S_Half_BIT,
+		  "10baseT1S/Half" },
+		{ 0, ETHTOOL_LINK_MODE_10baseT1S_P2MP_Half_BIT,
+		  "10baseT1S/Half" },
+	};
+	int indent;
+	int did1, new_line_pend;
+	int fecreported = 0;
+	unsigned int i;
+
+	/* Indent just like the separate functions used to */
+	indent = strlen(prefix) + 14;
+	if (indent < 24)
+		indent = 24;
+
+	fprintf(stdout, "	%s link modes:%*s", prefix,
+		indent - (int)strlen(prefix) - 12, "");
+	did1 = 0;
+	new_line_pend = 0;
+	for (i = 0; i < ARRAY_SIZE(mode_defs); i++) {
+		if (did1 && !mode_defs[i].same_line)
+			new_line_pend = 1;
+		if (ethtool_link_mode_test_bit(mode_defs[i].bit_index,
+					       mask)) {
+			if (new_line_pend) {
+				fprintf(stdout, "\n");
+				fprintf(stdout, "	%*s", indent, "");
+				new_line_pend = 0;
+			}
+			did1++;
+			fprintf(stdout, "%s ", mode_defs[i].name);
+		}
+	}
+	if (did1 == 0)
+		fprintf(stdout, "Not reported");
+	fprintf(stdout, "\n");
+
+	if (!link_mode_only) {
+		fprintf(stdout, "	%s pause frame use: ", prefix);
+		if (ethtool_link_mode_test_bit(
+			    ETHTOOL_LINK_MODE_Pause_BIT, mask)) {
+			fprintf(stdout, "Symmetric");
+			if (ethtool_link_mode_test_bit(
+				    ETHTOOL_LINK_MODE_Asym_Pause_BIT, mask))
+				fprintf(stdout, " Receive-only");
+			fprintf(stdout, "\n");
+		} else {
+			if (ethtool_link_mode_test_bit(
+				    ETHTOOL_LINK_MODE_Asym_Pause_BIT, mask))
+				fprintf(stdout, "Transmit-only\n");
+			else
+				fprintf(stdout, "No\n");
+		}
+
+		fprintf(stdout, "	%s auto-negotiation: ", an_prefix);
+		if (ethtool_link_mode_test_bit(
+			    ETHTOOL_LINK_MODE_Autoneg_BIT, mask))
+			fprintf(stdout, "Yes\n");
+		else
+			fprintf(stdout, "No\n");
+
+		fprintf(stdout, "	%s FEC modes:", prefix);
+		if (ethtool_link_mode_test_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
+					       mask)) {
+			fprintf(stdout, " None");
+			fecreported = 1;
+		}
+		if (ethtool_link_mode_test_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
+					       mask)) {
+			fprintf(stdout, " BaseR");
+			fecreported = 1;
+		}
+		if (ethtool_link_mode_test_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
+					       mask)) {
+			fprintf(stdout, " RS");
+			fecreported = 1;
+		}
+		if (ethtool_link_mode_test_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
+					       mask)) {
+			fprintf(stdout, " LLRS");
+			fecreported = 1;
+		}
+
+		if (!fecreported)
+			fprintf(stdout, " Not reported");
+		fprintf(stdout, "\n");
+	}
+}
+
+static int
+dump_link_usettings(const struct ethtool_link_usettings *link_usettings)
+{
+	dump_supported(link_usettings);
+	dump_link_caps("Advertised", "Advertised",
+		       link_usettings->link_modes.advertising, 0);
+	if (!ethtool_link_mode_is_empty(
+		    link_usettings->link_modes.lp_advertising))
+		dump_link_caps("Link partner advertised",
+			       "Link partner advertised",
+			       link_usettings->link_modes.lp_advertising, 0);
+
+	fprintf(stdout, "	Speed: ");
+	if (link_usettings->base.speed == 0
+	    || link_usettings->base.speed == (u16)(-1)
+	    || link_usettings->base.speed == (u32)(-1))
+		fprintf(stdout, "Unknown!\n");
+	else
+		fprintf(stdout, "%uMb/s\n", link_usettings->base.speed);
+
+	fprintf(stdout, "	Duplex: ");
+	switch (link_usettings->base.duplex) {
+	case DUPLEX_HALF:
+		fprintf(stdout, "Half\n");
+		break;
+	case DUPLEX_FULL:
+		fprintf(stdout, "Full\n");
+		break;
+	default:
+		fprintf(stdout, "Unknown! (%i)\n", link_usettings->base.duplex);
+		break;
+	};
+
+	fprintf(stdout, "	Port: ");
+	switch (link_usettings->base.port) {
+	case PORT_TP:
+		fprintf(stdout, "Twisted Pair\n");
+		break;
+	case PORT_AUI:
+		fprintf(stdout, "AUI\n");
+		break;
+	case PORT_BNC:
+		fprintf(stdout, "BNC\n");
+		break;
+	case PORT_MII:
+		fprintf(stdout, "MII\n");
+		break;
+	case PORT_FIBRE:
+		fprintf(stdout, "FIBRE\n");
+		break;
+	case PORT_DA:
+		fprintf(stdout, "Direct Attach Copper\n");
+		break;
+	case PORT_NONE:
+		fprintf(stdout, "None\n");
+		break;
+	case PORT_OTHER:
+		fprintf(stdout, "Other\n");
+		break;
+	default:
+		fprintf(stdout, "Unknown! (%i)\n", link_usettings->base.port);
+		break;
+	};
+
+	fprintf(stdout, "	PHYAD: %d\n", link_usettings->base.phy_address);
+	fprintf(stdout, "	Transceiver: ");
+	switch (link_usettings->deprecated.transceiver) {
+	case XCVR_INTERNAL:
+		fprintf(stdout, "internal\n");
+		break;
+	case XCVR_EXTERNAL:
+		fprintf(stdout, "external\n");
+		break;
+	default:
+		fprintf(stdout, "Unknown!\n");
+		break;
+	};
+
+	fprintf(stdout, "	Auto-negotiation: %s\n",
+		(link_usettings->base.autoneg == AUTONEG_DISABLE) ?
+		"off" : "on");
+
+	if (link_usettings->base.port == PORT_TP)
+		dump_mdix(link_usettings->base.eth_tp_mdix,
+			  link_usettings->base.eth_tp_mdix_ctrl);
+
+	return 0;
+}
+
+static int dump_drvinfo(struct ethtool_drvinfo *info)
+{
+	fprintf(stdout,
+		"driver: %.*s\n"
+		"version: %.*s\n"
+		"firmware-version: %.*s\n"
+		"expansion-rom-version: %.*s\n"
+		"bus-info: %.*s\n"
+		"supports-statistics: %s\n"
+		"supports-test: %s\n"
+		"supports-eeprom-access: %s\n"
+		"supports-register-dump: %s\n"
+		"supports-priv-flags: %s\n",
+		(int)sizeof(info->driver), info->driver,
+		(int)sizeof(info->version), info->version,
+		(int)sizeof(info->fw_version), info->fw_version,
+		(int)sizeof(info->erom_version), info->erom_version,
+		(int)sizeof(info->bus_info), info->bus_info,
+		info->n_stats ? "yes" : "no",
+		info->testinfo_len ? "yes" : "no",
+		info->eedump_len ? "yes" : "no",
+		info->regdump_len ? "yes" : "no",
+		info->n_priv_flags ? "yes" : "no");
+
+	return 0;
+}
+
+static int parse_wolopts(char *optstr, u32 *data)
+{
+	*data = 0;
+	while (*optstr) {
+		switch (*optstr) {
+		case 'p':
+			*data |= WAKE_PHY;
+			break;
+		case 'u':
+			*data |= WAKE_UCAST;
+			break;
+		case 'm':
+			*data |= WAKE_MCAST;
+			break;
+		case 'b':
+			*data |= WAKE_BCAST;
+			break;
+		case 'a':
+			*data |= WAKE_ARP;
+			break;
+		case 'g':
+			*data |= WAKE_MAGIC;
+			break;
+		case 's':
+			*data |= WAKE_MAGICSECURE;
+			break;
+		case 'f':
+			*data |= WAKE_FILTER;
+			break;
+		case 'd':
+			*data = 0;
+			break;
+		default:
+			return -1;
+		}
+		optstr++;
+	}
+	return 0;
+}
+
+static int parse_rxfhashopts(char *optstr, u32 *data)
+{
+	*data = 0;
+	while (*optstr) {
+		switch (*optstr) {
+		case 'm':
+			*data |= RXH_L2DA;
+			break;
+		case 'v':
+			*data |= RXH_VLAN;
+			break;
+		case 't':
+			*data |= RXH_L3_PROTO;
+			break;
+		case 's':
+			*data |= RXH_IP_SRC;
+			break;
+		case 'd':
+			*data |= RXH_IP_DST;
+			break;
+		case 'f':
+			*data |= RXH_L4_B_0_1;
+			break;
+		case 'n':
+			*data |= RXH_L4_B_2_3;
+			break;
+		case 'r':
+			*data |= RXH_DISCARD;
+			break;
+		default:
+			return -1;
+		}
+		optstr++;
+	}
+	return 0;
+}
+
+static char *unparse_rxfhashopts(u64 opts)
+{
+	static char buf[300];
+
+	memset(buf, 0, sizeof(buf));
+
+	if (opts) {
+		if (opts & RXH_L2DA)
+			strcat(buf, "L2DA\n");
+		if (opts & RXH_VLAN)
+			strcat(buf, "VLAN tag\n");
+		if (opts & RXH_L3_PROTO)
+			strcat(buf, "L3 proto\n");
+		if (opts & RXH_IP_SRC)
+			strcat(buf, "IP SA\n");
+		if (opts & RXH_IP_DST)
+			strcat(buf, "IP DA\n");
+		if (opts & RXH_L4_B_0_1)
+			strcat(buf, "L4 bytes 0 & 1 [TCP/UDP src port]\n");
+		if (opts & RXH_L4_B_2_3)
+			strcat(buf, "L4 bytes 2 & 3 [TCP/UDP dst port]\n");
+	} else {
+		sprintf(buf, "None");
+	}
+
+	return buf;
+}
+
+static int convert_string_to_hashkey(char *rss_hkey, u32 key_size,
+				     const char *rss_hkey_string)
+{
+	u32 i = 0;
+	int hex_byte, len;
+
+	do {
+		if (i > (key_size - 1)) {
+			fprintf(stderr,
+				"Key is too long for device (%u > %u)\n",
+				i + 1, key_size);
+			goto err;
+		}
+
+		if (sscanf(rss_hkey_string, "%2x%n", &hex_byte, &len) < 1 ||
+		    len != 2) {
+			fprintf(stderr, "Invalid RSS hash key format\n");
+			goto err;
+		}
+
+		rss_hkey[i++] = hex_byte;
+		rss_hkey_string += 2;
+
+		if (*rss_hkey_string == ':') {
+			rss_hkey_string++;
+		} else if (*rss_hkey_string != '\0') {
+			fprintf(stderr, "Invalid RSS hash key format\n");
+			goto err;
+		}
+
+	} while (*rss_hkey_string);
+
+	if (i != key_size) {
+		fprintf(stderr, "Key is too short for device (%u < %u)\n",
+			i, key_size);
+		goto err;
+	}
+
+	return 0;
+err:
+	return 2;
+}
+
+static int parse_hkey(char **rss_hkey, u32 key_size,
+		      const char *rss_hkey_string)
+{
+	if (!key_size) {
+		fprintf(stderr,
+			"Cannot set RX flow hash configuration:\n"
+			" Hash key setting not supported\n");
+		return 1;
+	}
+
+	*rss_hkey = malloc(key_size);
+	if (!(*rss_hkey)) {
+		perror("Cannot allocate memory for RSS hash key");
+		return 1;
+	}
+
+	if (convert_string_to_hashkey(*rss_hkey, key_size,
+				      rss_hkey_string)) {
+		free(*rss_hkey);
+		*rss_hkey = NULL;
+		return 2;
+	}
+	return 0;
+}
+
+#ifdef ETHTOOL_ENABLE_PRETTY_DUMP
+static const struct {
+	const char *name;
+	int (*func)(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+
+} driver_list[] = {
+	{ "8139cp", realtek_dump_regs },
+	{ "8139too", realtek_dump_regs },
+	{ "r8169", realtek_dump_regs },
+	{ "de2104x", de2104x_dump_regs },
+	{ "e1000", e1000_dump_regs },
+	{ "e1000e", e1000_dump_regs },
+	{ "igb", igb_dump_regs },
+	{ "ixgb", ixgb_dump_regs },
+	{ "ixgbe", ixgbe_dump_regs },
+	{ "ixgbevf", ixgbevf_dump_regs },
+	{ "natsemi", natsemi_dump_regs },
+	{ "e100", e100_dump_regs },
+	{ "amd8111e", amd8111e_dump_regs },
+	{ "pcnet32", pcnet32_dump_regs },
+	{ "fec_8xx", fec_8xx_dump_regs },
+	{ "ibm_emac", ibm_emac_dump_regs },
+	{ "tg3", tg3_dump_regs },
+	{ "skge", skge_dump_regs },
+	{ "sky2", sky2_dump_regs },
+	{ "vioc", vioc_dump_regs },
+	{ "smsc911x", smsc911x_dump_regs },
+	{ "at76c50x-usb", at76c50x_usb_dump_regs },
+	{ "sfc", sfc_dump_regs },
+	{ "st_mac100", st_mac100_dump_regs },
+	{ "st_gmac", st_gmac_dump_regs },
+	{ "et131x", et131x_dump_regs },
+	{ "altera_tse", altera_tse_dump_regs },
+	{ "vmxnet3", vmxnet3_dump_regs },
+	{ "fjes", fjes_dump_regs },
+	{ "lan78xx", lan78xx_dump_regs },
+	{ "dsa", dsa_dump_regs },
+	{ "fec", fec_dump_regs },
+	{ "igc", igc_dump_regs },
+	{ "bnxt_en", bnxt_dump_regs },
+	{ "cpsw-switch", cpsw_dump_regs },
+	{ "lan743x", lan743x_dump_regs },
+	{ "fsl_enetc", fsl_enetc_dump_regs },
+	{ "fsl_enetc_vf", fsl_enetc_dump_regs },
+	{ "hns3", hns3_dump_regs },
+};
+#endif
+
+void dump_hex(FILE *file, const u8 *data, int len, int offset)
+{
+	int i;
+
+	fprintf(file, "Offset\t\tValues\n");
+	fprintf(file, "------\t\t------");
+	for (i = 0; i < len; i++) {
+		if (i % 16 == 0)
+			fprintf(file, "\n0x%04x:\t\t", i + offset);
+		fprintf(file, "%02x ", data[i]);
+	}
+	fprintf(file, "\n");
+}
+
+static int dump_regs(int gregs_dump_raw, int gregs_dump_hex,
+		     struct ethtool_drvinfo *info, struct ethtool_regs *regs)
+{
+	if (gregs_dump_raw) {
+		fwrite(regs->data, regs->len, 1, stdout);
+		goto nested;
+	}
+
+#ifdef ETHTOOL_ENABLE_PRETTY_DUMP
+	if (!gregs_dump_hex) {
+		unsigned int i;
+
+		for (i = 0; i < ARRAY_SIZE(driver_list); i++)
+			if (!strncmp(driver_list[i].name, info->driver,
+				     ETHTOOL_BUSINFO_LEN)) {
+				if (driver_list[i].func(info, regs) == 0)
+					goto nested;
+				/* This version (or some other
+				 * variation in the dump format) is
+				 * not handled; fall back to hex
+				 */
+				break;
+			}
+	}
+#endif
+
+	dump_hex(stdout, regs->data, regs->len, 0);
+
+nested:
+	/* Recurse dump if some drvinfo and regs structures are nested */
+	if (info->regdump_len > regs->len + sizeof(*info) + sizeof(*regs)) {
+		info = (struct ethtool_drvinfo *)(&regs->data[0] + regs->len);
+		regs = (struct ethtool_regs *)(&regs->data[0] + regs->len + sizeof(*info));
+
+		return dump_regs(gregs_dump_raw, gregs_dump_hex, info, regs);
+	}
+
+	return 0;
+}
+
+static int dump_eeprom(int geeprom_dump_raw,
+		       struct ethtool_drvinfo *info __maybe_unused,
+		       struct ethtool_eeprom *ee)
+{
+	if (geeprom_dump_raw) {
+		fwrite(ee->data, 1, ee->len, stdout);
+		return 0;
+	}
+#ifdef ETHTOOL_ENABLE_PRETTY_DUMP
+	if (!strncmp("natsemi", info->driver, ETHTOOL_BUSINFO_LEN)) {
+		return natsemi_dump_eeprom(info, ee);
+	} else if (!strncmp("tg3", info->driver, ETHTOOL_BUSINFO_LEN)) {
+		return tg3_dump_eeprom(info, ee);
+	}
+#endif
+	dump_hex(stdout, ee->data, ee->len, ee->offset);
+
+	return 0;
+}
+
+static int dump_test(struct ethtool_test *test,
+		     struct ethtool_gstrings *strings)
+{
+	unsigned int i;
+	int rc;
+
+	rc = test->flags & ETH_TEST_FL_FAILED;
+	fprintf(stdout, "The test result is %s\n", rc ? "FAIL" : "PASS");
+
+	if (test->flags & ETH_TEST_FL_EXTERNAL_LB)
+		fprintf(stdout, "External loopback test was %sexecuted\n",
+			(test->flags & ETH_TEST_FL_EXTERNAL_LB_DONE) ?
+			"" : "not ");
+
+	if (strings->len)
+		fprintf(stdout, "The test extra info:\n");
+
+	for (i = 0; i < strings->len; i++) {
+		fprintf(stdout, "%s\t %d\n",
+			(char *)(strings->data + i * ETH_GSTRING_LEN),
+			(u32) test->data[i]);
+	}
+
+	fprintf(stdout, "\n");
+	return rc;
+}
+
+static int dump_pause(const struct ethtool_pauseparam *epause,
+		      u32 advertising, u32 lp_advertising)
+{
+	fprintf(stdout,
+		"Autonegotiate:	%s\n"
+		"RX:		%s\n"
+		"TX:		%s\n",
+		epause->autoneg ? "on" : "off",
+		epause->rx_pause ? "on" : "off",
+		epause->tx_pause ? "on" : "off");
+
+	if (lp_advertising) {
+		int an_rx = 0, an_tx = 0;
+
+		/* Work out negotiated pause frame usage per
+		 * IEEE 802.3-2005 table 28B-3.
+		 */
+		if (advertising & lp_advertising & ADVERTISED_Pause) {
+			an_tx = 1;
+			an_rx = 1;
+		} else if (advertising & lp_advertising &
+			   ADVERTISED_Asym_Pause) {
+			if (advertising & ADVERTISED_Pause)
+				an_rx = 1;
+			else if (lp_advertising & ADVERTISED_Pause)
+				an_tx = 1;
+		}
+
+		fprintf(stdout,
+			"RX negotiated:	%s\n"
+			"TX negotiated:	%s\n",
+			an_rx ? "on" : "off",
+			an_tx ? "on" : "off");
+	}
+
+	fprintf(stdout, "\n");
+	return 0;
+}
+
+static int dump_ring(const struct ethtool_ringparam *ering)
+{
+	fprintf(stdout,
+		"Pre-set maximums:\n"
+		"RX:		%u\n"
+		"RX Mini:	%u\n"
+		"RX Jumbo:	%u\n"
+		"TX:		%u\n",
+		ering->rx_max_pending,
+		ering->rx_mini_max_pending,
+		ering->rx_jumbo_max_pending,
+		ering->tx_max_pending);
+
+	fprintf(stdout,
+		"Current hardware settings:\n"
+		"RX:		%u\n"
+		"RX Mini:	%u\n"
+		"RX Jumbo:	%u\n"
+		"TX:		%u\n",
+		ering->rx_pending,
+		ering->rx_mini_pending,
+		ering->rx_jumbo_pending,
+		ering->tx_pending);
+
+	fprintf(stdout, "\n");
+	return 0;
+}
+
+static int dump_channels(const struct ethtool_channels *echannels)
+{
+	fprintf(stdout,
+		"Pre-set maximums:\n"
+		"RX:		%u\n"
+		"TX:		%u\n"
+		"Other:		%u\n"
+		"Combined:	%u\n",
+		echannels->max_rx, echannels->max_tx,
+		echannels->max_other,
+		echannels->max_combined);
+
+	fprintf(stdout,
+		"Current hardware settings:\n"
+		"RX:		%u\n"
+		"TX:		%u\n"
+		"Other:		%u\n"
+		"Combined:	%u\n",
+		echannels->rx_count, echannels->tx_count,
+		echannels->other_count,
+		echannels->combined_count);
+
+	fprintf(stdout, "\n");
+	return 0;
+}
+
+static int dump_coalesce(const struct ethtool_coalesce *ecoal)
+{
+	fprintf(stdout, "Adaptive RX: %s  TX: %s\n",
+		ecoal->use_adaptive_rx_coalesce ? "on" : "off",
+		ecoal->use_adaptive_tx_coalesce ? "on" : "off");
+
+	fprintf(stdout,
+		"stats-block-usecs: %u\n"
+		"sample-interval: %u\n"
+		"pkt-rate-low: %u\n"
+		"pkt-rate-high: %u\n"
+		"\n"
+		"rx-usecs: %u\n"
+		"rx-frames: %u\n"
+		"rx-usecs-irq: %u\n"
+		"rx-frames-irq: %u\n"
+		"\n"
+		"tx-usecs: %u\n"
+		"tx-frames: %u\n"
+		"tx-usecs-irq: %u\n"
+		"tx-frames-irq: %u\n"
+		"\n"
+		"rx-usecs-low: %u\n"
+		"rx-frames-low: %u\n"
+		"tx-usecs-low: %u\n"
+		"tx-frames-low: %u\n"
+		"\n"
+		"rx-usecs-high: %u\n"
+		"rx-frames-high: %u\n"
+		"tx-usecs-high: %u\n"
+		"tx-frames-high: %u\n"
+		"\n",
+		ecoal->stats_block_coalesce_usecs,
+		ecoal->rate_sample_interval,
+		ecoal->pkt_rate_low,
+		ecoal->pkt_rate_high,
+
+		ecoal->rx_coalesce_usecs,
+		ecoal->rx_max_coalesced_frames,
+		ecoal->rx_coalesce_usecs_irq,
+		ecoal->rx_max_coalesced_frames_irq,
+
+		ecoal->tx_coalesce_usecs,
+		ecoal->tx_max_coalesced_frames,
+		ecoal->tx_coalesce_usecs_irq,
+		ecoal->tx_max_coalesced_frames_irq,
+
+		ecoal->rx_coalesce_usecs_low,
+		ecoal->rx_max_coalesced_frames_low,
+		ecoal->tx_coalesce_usecs_low,
+		ecoal->tx_max_coalesced_frames_low,
+
+		ecoal->rx_coalesce_usecs_high,
+		ecoal->rx_max_coalesced_frames_high,
+		ecoal->tx_coalesce_usecs_high,
+		ecoal->tx_max_coalesced_frames_high);
+
+	return 0;
+}
+
+void dump_per_queue_coalesce(struct ethtool_per_queue_op *per_queue_opt,
+			     __u32 *queue_mask, int n_queues)
+{
+	struct ethtool_coalesce *ecoal;
+	int i, idx = 0;
+
+	ecoal = (struct ethtool_coalesce *)(per_queue_opt + 1);
+	for (i = 0; i < __KERNEL_DIV_ROUND_UP(MAX_NUM_QUEUE, 32); i++) {
+		int queue = i * 32;
+		__u32 mask = queue_mask[i];
+
+		while (mask > 0) {
+			if (mask & 0x1) {
+				fprintf(stdout, "Queue: %d\n", queue);
+				dump_coalesce(ecoal + idx);
+				idx++;
+			}
+			mask = mask >> 1;
+			queue++;
+		}
+		if (idx == n_queues)
+			break;
+	}
+}
+
+struct feature_state {
+	u32 off_flags;
+	struct ethtool_gfeatures features;
+};
+
+static void dump_one_feature(const char *indent, const char *name,
+			     const struct feature_state *state,
+			     const struct feature_state *ref_state,
+			     u32 index)
+{
+	if (ref_state &&
+	    !(FEATURE_BIT_IS_SET(state->features.features, index, active) ^
+	      FEATURE_BIT_IS_SET(ref_state->features.features, index, active)))
+		return;
+
+	printf("%s%s: %s%s\n",
+	       indent, name,
+	       FEATURE_BIT_IS_SET(state->features.features, index, active) ?
+	       "on" : "off",
+	       (!FEATURE_BIT_IS_SET(state->features.features, index, available)
+		|| FEATURE_BIT_IS_SET(state->features.features, index,
+				      never_changed))
+	       ? " [fixed]"
+	       : (FEATURE_BIT_IS_SET(state->features.features, index, requested)
+		  ^ FEATURE_BIT_IS_SET(state->features.features, index, active))
+	       ? (FEATURE_BIT_IS_SET(state->features.features, index, requested)
+		  ? " [requested on]" : " [requested off]")
+	       : "");
+}
+
+static unsigned int linux_version_code(void)
+{
+	struct utsname utsname;
+	unsigned version, patchlevel, sublevel = 0;
+
+	if (uname(&utsname))
+		return -1;
+	if (sscanf(utsname.release, "%u.%u.%u", &version, &patchlevel, &sublevel) < 2)
+		return -1;
+	return KERNEL_VERSION(version, patchlevel, sublevel);
+}
+
+static void dump_features(const struct feature_defs *defs,
+			  const struct feature_state *state,
+			  const struct feature_state *ref_state)
+{
+	unsigned int kernel_ver = linux_version_code();
+	unsigned int i, j;
+	int indent;
+	u32 value;
+
+	for (i = 0; i < OFF_FLAG_DEF_SIZE; i++) {
+		/* Don't show features whose state is unknown on this
+		 * kernel version
+		 */
+		if (defs->off_flag_matched[i] == 0 &&
+		    ((off_flag_def[i].get_cmd == 0 &&
+		      kernel_ver < off_flag_def[i].min_kernel_ver) ||
+		     (off_flag_def[i].get_cmd == ETHTOOL_GUFO &&
+		      kernel_ver >= KERNEL_VERSION(4, 14, 0))))
+			continue;
+
+		value = off_flag_def[i].value;
+
+		/* If this offload flag matches exactly one generic
+		 * feature then it's redundant to show the flag and
+		 * feature states separately.  Otherwise, show the
+		 * flag state first.
+		 */
+		if (defs->off_flag_matched[i] != 1 &&
+		    (!ref_state ||
+		     (state->off_flags ^ ref_state->off_flags) & value)) {
+			printf("%s: %s\n",
+			       off_flag_def[i].long_name,
+			       (state->off_flags & value) ? "on" : "off");
+			indent = 1;
+		} else {
+			indent = 0;
+		}
+
+		/* Show matching features */
+		for (j = 0; j < defs->n_features; j++) {
+			if (defs->def[j].off_flag_index != (int)i)
+				continue;
+			if (defs->off_flag_matched[i] != 1)
+				/* Show all matching feature states */
+				dump_one_feature(indent ? "\t" : "",
+						 defs->def[j].name,
+						 state, ref_state, j);
+			else
+				/* Show full state with the old flag name */
+				dump_one_feature("", off_flag_def[i].long_name,
+						 state, ref_state, j);
+		}
+	}
+
+	/* Show all unmatched features that have non-null names */
+	for (j = 0; j < defs->n_features; j++)
+		if (defs->def[j].off_flag_index < 0 && defs->def[j].name[0])
+			dump_one_feature("", defs->def[j].name,
+					 state, ref_state, j);
+}
+
+static int dump_rxfhash(int fhash, u64 val)
+{
+	switch (fhash & ~FLOW_RSS) {
+	case TCP_V4_FLOW:
+		fprintf(stdout, "TCP over IPV4 flows");
+		break;
+	case UDP_V4_FLOW:
+		fprintf(stdout, "UDP over IPV4 flows");
+		break;
+	case SCTP_V4_FLOW:
+		fprintf(stdout, "SCTP over IPV4 flows");
+		break;
+	case AH_ESP_V4_FLOW:
+	case AH_V4_FLOW:
+	case ESP_V4_FLOW:
+		fprintf(stdout, "IPSEC AH/ESP over IPV4 flows");
+		break;
+	case TCP_V6_FLOW:
+		fprintf(stdout, "TCP over IPV6 flows");
+		break;
+	case UDP_V6_FLOW:
+		fprintf(stdout, "UDP over IPV6 flows");
+		break;
+	case SCTP_V6_FLOW:
+		fprintf(stdout, "SCTP over IPV6 flows");
+		break;
+	case AH_ESP_V6_FLOW:
+	case AH_V6_FLOW:
+	case ESP_V6_FLOW:
+		fprintf(stdout, "IPSEC AH/ESP over IPV6 flows");
+		break;
+	default:
+		break;
+	}
+
+	if (val & RXH_DISCARD) {
+		fprintf(stdout, " - All matching flows discarded on RX\n");
+		return 0;
+	}
+	fprintf(stdout, " use these fields for computing Hash flow key:\n");
+
+	fprintf(stdout, "%s\n", unparse_rxfhashopts(val));
+
+	return 0;
+}
+
+static void dump_eeecmd(struct ethtool_eee *ep)
+{
+	ETHTOOL_DECLARE_LINK_MODE_MASK(link_mode);
+
+	fprintf(stdout, "	EEE status: ");
+	if (!ep->supported) {
+		fprintf(stdout, "not supported\n");
+		return;
+	} else if (!ep->eee_enabled) {
+		fprintf(stdout, "disabled\n");
+	} else {
+		fprintf(stdout, "enabled - ");
+		if (ep->eee_active)
+			fprintf(stdout, "active\n");
+		else
+			fprintf(stdout, "inactive\n");
+	}
+
+	fprintf(stdout, "	Tx LPI:");
+	if (ep->tx_lpi_enabled)
+		fprintf(stdout, " %d (us)\n", ep->tx_lpi_timer);
+	else
+		fprintf(stdout, " disabled\n");
+
+	ethtool_link_mode_zero(link_mode);
+
+	link_mode[0] = ep->supported;
+	dump_link_caps("Supported EEE", "", link_mode, 1);
+
+	link_mode[0] = ep->advertised;
+	dump_link_caps("Advertised EEE", "", link_mode, 1);
+
+	link_mode[0] = ep->lp_advertised;
+	dump_link_caps("Link partner advertised EEE", "", link_mode, 1);
+}
+
+static void dump_fec(u32 fec)
+{
+	if (fec & ETHTOOL_FEC_NONE)
+		fprintf(stdout, " None");
+	if (fec & ETHTOOL_FEC_AUTO)
+		fprintf(stdout, " Auto");
+	if (fec & ETHTOOL_FEC_OFF)
+		fprintf(stdout, " Off");
+	if (fec & ETHTOOL_FEC_BASER)
+		fprintf(stdout, " BaseR");
+	if (fec & ETHTOOL_FEC_RS)
+		fprintf(stdout, " RS");
+	if (fec & ETHTOOL_FEC_LLRS)
+		fprintf(stdout, " LLRS");
+}
+
+#define N_SOTS 7
+
+static char *so_timestamping_labels[N_SOTS] = {
+	"hardware-transmit     (SOF_TIMESTAMPING_TX_HARDWARE)",
+	"software-transmit     (SOF_TIMESTAMPING_TX_SOFTWARE)",
+	"hardware-receive      (SOF_TIMESTAMPING_RX_HARDWARE)",
+	"software-receive      (SOF_TIMESTAMPING_RX_SOFTWARE)",
+	"software-system-clock (SOF_TIMESTAMPING_SOFTWARE)",
+	"hardware-legacy-clock (SOF_TIMESTAMPING_SYS_HARDWARE)",
+	"hardware-raw-clock    (SOF_TIMESTAMPING_RAW_HARDWARE)",
+};
+
+#define N_TX_TYPES (HWTSTAMP_TX_ONESTEP_SYNC + 1)
+
+static char *tx_type_labels[N_TX_TYPES] = {
+	"off                   (HWTSTAMP_TX_OFF)",
+	"on                    (HWTSTAMP_TX_ON)",
+	"one-step-sync         (HWTSTAMP_TX_ONESTEP_SYNC)",
+};
+
+#define N_RX_FILTERS (HWTSTAMP_FILTER_NTP_ALL + 1)
+
+static char *rx_filter_labels[N_RX_FILTERS] = {
+	"none                  (HWTSTAMP_FILTER_NONE)",
+	"all                   (HWTSTAMP_FILTER_ALL)",
+	"some                  (HWTSTAMP_FILTER_SOME)",
+	"ptpv1-l4-event        (HWTSTAMP_FILTER_PTP_V1_L4_EVENT)",
+	"ptpv1-l4-sync         (HWTSTAMP_FILTER_PTP_V1_L4_SYNC)",
+	"ptpv1-l4-delay-req    (HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ)",
+	"ptpv2-l4-event        (HWTSTAMP_FILTER_PTP_V2_L4_EVENT)",
+	"ptpv2-l4-sync         (HWTSTAMP_FILTER_PTP_V2_L4_SYNC)",
+	"ptpv2-l4-delay-req    (HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ)",
+	"ptpv2-l2-event        (HWTSTAMP_FILTER_PTP_V2_L2_EVENT)",
+	"ptpv2-l2-sync         (HWTSTAMP_FILTER_PTP_V2_L2_SYNC)",
+	"ptpv2-l2-delay-req    (HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ)",
+	"ptpv2-event           (HWTSTAMP_FILTER_PTP_V2_EVENT)",
+	"ptpv2-sync            (HWTSTAMP_FILTER_PTP_V2_SYNC)",
+	"ptpv2-delay-req       (HWTSTAMP_FILTER_PTP_V2_DELAY_REQ)",
+	"ntp-all               (HWTSTAMP_FILTER_NTP_ALL)",
+};
+
+static int dump_tsinfo(const struct ethtool_ts_info *info)
+{
+	int i;
+
+	fprintf(stdout, "Capabilities:\n");
+
+	for (i = 0; i < N_SOTS; i++) {
+		if (info->so_timestamping & (1 << i))
+			fprintf(stdout, "\t%s\n", so_timestamping_labels[i]);
+	}
+
+	fprintf(stdout, "PTP Hardware Clock: ");
+
+	if (info->phc_index < 0)
+		fprintf(stdout, "none\n");
+	else
+		fprintf(stdout, "%d\n", info->phc_index);
+
+	fprintf(stdout, "Hardware Transmit Timestamp Modes:");
+
+	if (!info->tx_types)
+		fprintf(stdout, " none\n");
+	else
+		fprintf(stdout, "\n");
+
+	for (i = 0; i < N_TX_TYPES; i++) {
+		if (info->tx_types & (1 << i))
+			fprintf(stdout,	"\t%s\n", tx_type_labels[i]);
+	}
+
+	fprintf(stdout, "Hardware Receive Filter Modes:");
+
+	if (!info->rx_filters)
+		fprintf(stdout, " none\n");
+	else
+		fprintf(stdout, "\n");
+
+	for (i = 0; i < N_RX_FILTERS; i++) {
+		if (info->rx_filters & (1 << i))
+			fprintf(stdout, "\t%s\n", rx_filter_labels[i]);
+	}
+
+	return 0;
+}
+
+static struct ethtool_gstrings *
+get_stringset(struct cmd_context *ctx, enum ethtool_stringset set_id,
+	      ptrdiff_t drvinfo_offset, int null_terminate)
+{
+	struct {
+		struct ethtool_sset_info hdr;
+		u32 buf[1];
+	} sset_info;
+	struct ethtool_drvinfo drvinfo;
+	u32 len, i;
+	struct ethtool_gstrings *strings;
+
+	sset_info.hdr.cmd = ETHTOOL_GSSET_INFO;
+	sset_info.hdr.reserved = 0;
+	sset_info.hdr.sset_mask = 1ULL << set_id;
+	if (send_ioctl(ctx, &sset_info) == 0) {
+		const u32 *sset_lengths = sset_info.hdr.data;
+
+		len = sset_info.hdr.sset_mask ? sset_lengths[0] : 0;
+	} else if (errno == EOPNOTSUPP && drvinfo_offset != 0) {
+		/* Fallback for old kernel versions */
+		drvinfo.cmd = ETHTOOL_GDRVINFO;
+		if (send_ioctl(ctx, &drvinfo))
+			return NULL;
+		len = *(u32 *)((char *)&drvinfo + drvinfo_offset);
+	} else {
+		return NULL;
+	}
+
+	strings = calloc(1, sizeof(*strings) + len * ETH_GSTRING_LEN);
+	if (!strings)
+		return NULL;
+
+	strings->cmd = ETHTOOL_GSTRINGS;
+	strings->string_set = set_id;
+	strings->len = len;
+	if (len != 0 && send_ioctl(ctx, strings)) {
+		free(strings);
+		return NULL;
+	}
+
+	if (null_terminate)
+		for (i = 0; i < len; i++)
+			strings->data[(i + 1) * ETH_GSTRING_LEN - 1] = 0;
+
+	return strings;
+}
+
+static struct feature_defs *get_feature_defs(struct cmd_context *ctx)
+{
+	struct ethtool_gstrings *names;
+	struct feature_defs *defs;
+	unsigned int i, j;
+	u32 n_features;
+
+	names = get_stringset(ctx, ETH_SS_FEATURES, 0, 1);
+	if (names) {
+		n_features = names->len;
+	} else if (errno == EOPNOTSUPP || errno == EINVAL) {
+		/* Kernel doesn't support named features; not an error */
+		n_features = 0;
+	} else if (errno == EPERM) {
+		/* Kernel bug: ETHTOOL_GSSET_INFO was privileged.
+		 * Work around it. */
+		n_features = 0;
+	} else {
+		return NULL;
+	}
+
+	defs = malloc(sizeof(*defs) + sizeof(defs->def[0]) * n_features);
+	if (!defs) {
+		free(names);
+		return NULL;
+	}
+
+	defs->n_features = n_features;
+	memset(defs->off_flag_matched, 0, sizeof(defs->off_flag_matched));
+
+	/* Copy out feature names and find those associated with legacy flags */
+	for (i = 0; i < defs->n_features; i++) {
+		memcpy(defs->def[i].name, names->data + i * ETH_GSTRING_LEN,
+		       ETH_GSTRING_LEN);
+		defs->def[i].off_flag_index = -1;
+
+		for (j = 0;
+		     j < OFF_FLAG_DEF_SIZE &&
+			     defs->def[i].off_flag_index < 0;
+		     j++) {
+			const char *pattern =
+				off_flag_def[j].kernel_name;
+			const char *name = defs->def[i].name;
+			for (;;) {
+				if (*pattern == '*') {
+					/* There is only one wildcard; so
+					 * switch to a suffix comparison */
+					size_t pattern_len =
+						strlen(pattern + 1);
+					size_t name_len = strlen(name);
+					if (name_len < pattern_len)
+						break; /* name is too short */
+					name += name_len - pattern_len;
+					++pattern;
+				} else if (*pattern != *name) {
+					break; /* mismatch */
+				} else if (*pattern == 0) {
+					defs->def[i].off_flag_index = j;
+					defs->off_flag_matched[j]++;
+					break;
+				} else {
+					++name;
+					++pattern;
+				}
+			}
+		}
+	}
+
+	free(names);
+	return defs;
+}
+
+static int do_gdrv(struct cmd_context *ctx)
+{
+	int err;
+	struct ethtool_drvinfo drvinfo;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	drvinfo.cmd = ETHTOOL_GDRVINFO;
+	err = send_ioctl(ctx, &drvinfo);
+	if (err < 0) {
+		perror("Cannot get driver information");
+		return 71;
+	}
+	return dump_drvinfo(&drvinfo);
+}
+
+static int do_gpause(struct cmd_context *ctx)
+{
+	struct ethtool_pauseparam epause;
+	struct ethtool_cmd ecmd;
+	int err;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	fprintf(stdout, "Pause parameters for %s:\n", ctx->devname);
+
+	epause.cmd = ETHTOOL_GPAUSEPARAM;
+	err = send_ioctl(ctx, &epause);
+	if (err) {
+		perror("Cannot get device pause settings");
+		return 76;
+	}
+
+	if (epause.autoneg) {
+		ecmd.cmd = ETHTOOL_GSET;
+		err = send_ioctl(ctx, &ecmd);
+		if (err) {
+			perror("Cannot get device settings");
+			return 1;
+		}
+		dump_pause(&epause, ecmd.advertising, ecmd.lp_advertising);
+	} else {
+		dump_pause(&epause, 0, 0);
+	}
+
+	return 0;
+}
+
+static void do_generic_set1(struct cmdline_info *info, int *changed_out)
+{
+	int wanted, *v1, *v2;
+
+	v1 = info->wanted_val;
+	wanted = *v1;
+
+	if (wanted < 0)
+		return;
+
+	v2 = info->ioctl_val;
+	if (wanted == *v2) {
+		fprintf(stderr, "%s unmodified, ignoring\n", info->name);
+	} else {
+		*v2 = wanted;
+		*changed_out = 1;
+	}
+}
+
+static void do_generic_set(struct cmdline_info *info,
+			   unsigned int n_info,
+			   int *changed_out)
+{
+	unsigned int i;
+
+	for (i = 0; i < n_info; i++)
+		do_generic_set1(&info[i], changed_out);
+}
+
+static int do_spause(struct cmd_context *ctx)
+{
+	struct ethtool_pauseparam epause;
+	int gpause_changed = 0;
+	int pause_autoneg_wanted = -1;
+	int pause_rx_wanted = -1;
+	int pause_tx_wanted = -1;
+	struct cmdline_info cmdline_pause[] = {
+		{
+			.name		= "autoneg",
+			.type		= CMDL_BOOL,
+			.wanted_val	= &pause_autoneg_wanted,
+			.ioctl_val	= &epause.autoneg,
+		},
+		{
+			.name		= "rx",
+			.type		= CMDL_BOOL,
+			.wanted_val	= &pause_rx_wanted,
+			.ioctl_val	= &epause.rx_pause,
+		},
+		{
+			.name		= "tx",
+			.type		= CMDL_BOOL,
+			.wanted_val	= &pause_tx_wanted,
+			.ioctl_val	= &epause.tx_pause,
+		},
+	};
+	int err, changed = 0;
+
+	parse_generic_cmdline(ctx, &gpause_changed,
+			      cmdline_pause, ARRAY_SIZE(cmdline_pause));
+
+	epause.cmd = ETHTOOL_GPAUSEPARAM;
+	err = send_ioctl(ctx, &epause);
+	if (err) {
+		perror("Cannot get device pause settings");
+		return 77;
+	}
+
+	do_generic_set(cmdline_pause, ARRAY_SIZE(cmdline_pause), &changed);
+
+	if (!changed) {
+		fprintf(stderr, "no pause parameters changed, aborting\n");
+		return 78;
+	}
+
+	epause.cmd = ETHTOOL_SPAUSEPARAM;
+	err = send_ioctl(ctx, &epause);
+	if (err) {
+		perror("Cannot set device pause parameters");
+		return 79;
+	}
+
+	return 0;
+}
+
+static int do_sring(struct cmd_context *ctx)
+{
+	struct ethtool_ringparam ering;
+	int gring_changed = 0;
+	s32 ring_rx_wanted = -1;
+	s32 ring_rx_mini_wanted = -1;
+	s32 ring_rx_jumbo_wanted = -1;
+	s32 ring_tx_wanted = -1;
+	struct cmdline_info cmdline_ring[] = {
+		{
+			.name		= "rx",
+			.type		= CMDL_S32,
+			.wanted_val	= &ring_rx_wanted,
+			.ioctl_val	= &ering.rx_pending,
+		},
+		{
+			.name		= "rx-mini",
+			.type		= CMDL_S32,
+			.wanted_val	= &ring_rx_mini_wanted,
+			.ioctl_val	= &ering.rx_mini_pending,
+		},
+		{
+			.name		= "rx-jumbo",
+			.type		= CMDL_S32,
+			.wanted_val	= &ring_rx_jumbo_wanted,
+			.ioctl_val	= &ering.rx_jumbo_pending,
+		},
+		{
+			.name		= "tx",
+			.type		= CMDL_S32,
+			.wanted_val	= &ring_tx_wanted,
+			.ioctl_val	= &ering.tx_pending,
+		},
+	};
+	int err, changed = 0;
+
+	parse_generic_cmdline(ctx, &gring_changed,
+			      cmdline_ring, ARRAY_SIZE(cmdline_ring));
+
+	ering.cmd = ETHTOOL_GRINGPARAM;
+	err = send_ioctl(ctx, &ering);
+	if (err) {
+		perror("Cannot get device ring settings");
+		return 76;
+	}
+
+	do_generic_set(cmdline_ring, ARRAY_SIZE(cmdline_ring), &changed);
+
+	if (!changed) {
+		fprintf(stderr, "no ring parameters changed, aborting\n");
+		return 80;
+	}
+
+	ering.cmd = ETHTOOL_SRINGPARAM;
+	err = send_ioctl(ctx, &ering);
+	if (err) {
+		perror("Cannot set device ring parameters");
+		return 81;
+	}
+
+	return 0;
+}
+
+static int do_gring(struct cmd_context *ctx)
+{
+	struct ethtool_ringparam ering;
+	int err;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	fprintf(stdout, "Ring parameters for %s:\n", ctx->devname);
+
+	ering.cmd = ETHTOOL_GRINGPARAM;
+	err = send_ioctl(ctx, &ering);
+	if (err == 0) {
+		err = dump_ring(&ering);
+		if (err)
+			return err;
+	} else {
+		perror("Cannot get device ring settings");
+		return 76;
+	}
+
+	return 0;
+}
+
+static int do_schannels(struct cmd_context *ctx)
+{
+	struct ethtool_channels echannels;
+	int gchannels_changed;
+	s32 channels_rx_wanted = -1;
+	s32 channels_tx_wanted = -1;
+	s32 channels_other_wanted = -1;
+	s32 channels_combined_wanted = -1;
+	struct cmdline_info cmdline_channels[] = {
+		{
+			.name		= "rx",
+			.type		= CMDL_S32,
+			.wanted_val	= &channels_rx_wanted,
+			.ioctl_val	= &echannels.rx_count,
+		},
+		{
+			.name		= "tx",
+			.type		= CMDL_S32,
+			.wanted_val	= &channels_tx_wanted,
+			.ioctl_val	= &echannels.tx_count,
+		},
+		{
+			.name		= "other",
+			.type		= CMDL_S32,
+			.wanted_val	= &channels_other_wanted,
+			.ioctl_val	= &echannels.other_count,
+		},
+		{
+			.name		= "combined",
+			.type		= CMDL_S32,
+			.wanted_val	= &channels_combined_wanted,
+			.ioctl_val	= &echannels.combined_count,
+		},
+	};
+	int err, changed = 0;
+
+	parse_generic_cmdline(ctx, &gchannels_changed,
+			      cmdline_channels, ARRAY_SIZE(cmdline_channels));
+
+	echannels.cmd = ETHTOOL_GCHANNELS;
+	err = send_ioctl(ctx, &echannels);
+	if (err) {
+		perror("Cannot get device channel parameters");
+		return 1;
+	}
+
+	do_generic_set(cmdline_channels, ARRAY_SIZE(cmdline_channels),
+			&changed);
+
+	if (!changed) {
+		fprintf(stderr, "no channel parameters changed.\n");
+		fprintf(stderr, "current values: rx %u tx %u other %u"
+			" combined %u\n", echannels.rx_count,
+			echannels.tx_count, echannels.other_count,
+			echannels.combined_count);
+		return 0;
+	}
+
+	echannels.cmd = ETHTOOL_SCHANNELS;
+	err = send_ioctl(ctx, &echannels);
+	if (err) {
+		perror("Cannot set device channel parameters");
+		return 1;
+	}
+
+	return 0;
+}
+
+static int do_gchannels(struct cmd_context *ctx)
+{
+	struct ethtool_channels echannels;
+	int err;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	fprintf(stdout, "Channel parameters for %s:\n", ctx->devname);
+
+	echannels.cmd = ETHTOOL_GCHANNELS;
+	err = send_ioctl(ctx, &echannels);
+	if (err == 0) {
+		err = dump_channels(&echannels);
+		if (err)
+			return err;
+	} else {
+		perror("Cannot get device channel parameters");
+		return 1;
+	}
+	return 0;
+
+}
+
+static int do_gcoalesce(struct cmd_context *ctx)
+{
+	struct ethtool_coalesce ecoal = {};
+	int err;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	fprintf(stdout, "Coalesce parameters for %s:\n", ctx->devname);
+
+	ecoal.cmd = ETHTOOL_GCOALESCE;
+	err = send_ioctl(ctx, &ecoal);
+	if (err == 0) {
+		err = dump_coalesce(&ecoal);
+		if (err)
+			return err;
+	} else {
+		perror("Cannot get device coalesce settings");
+		return 82;
+	}
+
+	return 0;
+}
+
+#define DECLARE_COALESCE_OPTION_VARS()		\
+	s32 coal_stats_wanted = -1;		\
+	int coal_adaptive_rx_wanted = -1;	\
+	int coal_adaptive_tx_wanted = -1;	\
+	s32 coal_sample_rate_wanted = -1;	\
+	s32 coal_pkt_rate_low_wanted = -1;	\
+	s32 coal_pkt_rate_high_wanted = -1;	\
+	s32 coal_rx_usec_wanted = -1;		\
+	s32 coal_rx_frames_wanted = -1;		\
+	s32 coal_rx_usec_irq_wanted = -1;	\
+	s32 coal_rx_frames_irq_wanted = -1;	\
+	s32 coal_tx_usec_wanted = -1;		\
+	s32 coal_tx_frames_wanted = -1;		\
+	s32 coal_tx_usec_irq_wanted = -1;	\
+	s32 coal_tx_frames_irq_wanted = -1;	\
+	s32 coal_rx_usec_low_wanted = -1;	\
+	s32 coal_rx_frames_low_wanted = -1;	\
+	s32 coal_tx_usec_low_wanted = -1;	\
+	s32 coal_tx_frames_low_wanted = -1;	\
+	s32 coal_rx_usec_high_wanted = -1;	\
+	s32 coal_rx_frames_high_wanted = -1;	\
+	s32 coal_tx_usec_high_wanted = -1;	\
+	s32 coal_tx_frames_high_wanted = -1
+
+#define COALESCE_CMDLINE_INFO(__ecoal)					\
+{									\
+	{								\
+		.name		= "adaptive-rx",			\
+		.type		= CMDL_BOOL,				\
+		.wanted_val	= &coal_adaptive_rx_wanted,		\
+		.ioctl_val	= &__ecoal.use_adaptive_rx_coalesce,	\
+	},								\
+	{								\
+		.name		= "adaptive-tx",			\
+		.type		= CMDL_BOOL,				\
+		.wanted_val	= &coal_adaptive_tx_wanted,		\
+		.ioctl_val	= &__ecoal.use_adaptive_tx_coalesce,	\
+	},								\
+	{								\
+		.name		= "sample-interval",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_sample_rate_wanted,		\
+		.ioctl_val	= &__ecoal.rate_sample_interval,	\
+	},								\
+	{								\
+		.name		= "stats-block-usecs",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_stats_wanted,			\
+		.ioctl_val	= &__ecoal.stats_block_coalesce_usecs,	\
+	},								\
+	{								\
+		.name		= "pkt-rate-low",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_pkt_rate_low_wanted,		\
+		.ioctl_val	= &__ecoal.pkt_rate_low,		\
+	},								\
+	{								\
+		.name		= "pkt-rate-high",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_pkt_rate_high_wanted,		\
+		.ioctl_val	= &__ecoal.pkt_rate_high,		\
+	},								\
+	{								\
+		.name		= "rx-usecs",				\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_rx_usec_wanted,			\
+		.ioctl_val	= &__ecoal.rx_coalesce_usecs,		\
+	},								\
+	{								\
+		.name		= "rx-frames",				\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_rx_frames_wanted,		\
+		.ioctl_val	= &__ecoal.rx_max_coalesced_frames,	\
+	},								\
+	{								\
+		.name		= "rx-usecs-irq",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_rx_usec_irq_wanted,		\
+		.ioctl_val	= &__ecoal.rx_coalesce_usecs_irq,	\
+	},								\
+	{								\
+		.name		= "rx-frames-irq",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_rx_frames_irq_wanted,		\
+		.ioctl_val	= &__ecoal.rx_max_coalesced_frames_irq,	\
+	},								\
+	{								\
+		.name		= "tx-usecs",				\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_tx_usec_wanted,			\
+		.ioctl_val	= &__ecoal.tx_coalesce_usecs,		\
+	},								\
+	{								\
+		.name		= "tx-frames",				\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_tx_frames_wanted,		\
+		.ioctl_val	= &__ecoal.tx_max_coalesced_frames,	\
+	},								\
+	{								\
+		.name		= "tx-usecs-irq",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_tx_usec_irq_wanted,		\
+		.ioctl_val	= &__ecoal.tx_coalesce_usecs_irq,	\
+	},								\
+	{								\
+		.name		= "tx-frames-irq",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_tx_frames_irq_wanted,		\
+		.ioctl_val	= &__ecoal.tx_max_coalesced_frames_irq,	\
+	},								\
+	{								\
+		.name		= "rx-usecs-low",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_rx_usec_low_wanted,		\
+		.ioctl_val	= &__ecoal.rx_coalesce_usecs_low,	\
+	},								\
+	{								\
+		.name		= "rx-frames-low",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_rx_frames_low_wanted,		\
+		.ioctl_val	= &__ecoal.rx_max_coalesced_frames_low,	\
+	},								\
+	{								\
+		.name		= "tx-usecs-low",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_tx_usec_low_wanted,		\
+		.ioctl_val	= &__ecoal.tx_coalesce_usecs_low,	\
+	},								\
+	{								\
+		.name		= "tx-frames-low",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_tx_frames_low_wanted,		\
+		.ioctl_val	= &__ecoal.tx_max_coalesced_frames_low,	\
+	},								\
+	{								\
+		.name		= "rx-usecs-high",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_rx_usec_high_wanted,		\
+		.ioctl_val	= &__ecoal.rx_coalesce_usecs_high,	\
+	},								\
+	{								\
+		.name		= "rx-frames-high",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_rx_frames_high_wanted,		\
+		.ioctl_val	= &__ecoal.rx_max_coalesced_frames_high,\
+	},								\
+	{								\
+		.name		= "tx-usecs-high",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_tx_usec_high_wanted,		\
+		.ioctl_val	= &__ecoal.tx_coalesce_usecs_high,	\
+	},								\
+	{								\
+		.name		= "tx-frames-high",			\
+		.type		= CMDL_S32,				\
+		.wanted_val	= &coal_tx_frames_high_wanted,		\
+		.ioctl_val	= &__ecoal.tx_max_coalesced_frames_high,\
+	},								\
+}
+
+static int do_scoalesce(struct cmd_context *ctx)
+{
+	struct ethtool_coalesce ecoal;
+	int gcoalesce_changed = 0;
+	DECLARE_COALESCE_OPTION_VARS();
+	struct cmdline_info cmdline_coalesce[] = COALESCE_CMDLINE_INFO(ecoal);
+	int err, changed = 0;
+
+	parse_generic_cmdline(ctx, &gcoalesce_changed,
+			      cmdline_coalesce, ARRAY_SIZE(cmdline_coalesce));
+
+	ecoal.cmd = ETHTOOL_GCOALESCE;
+	err = send_ioctl(ctx, &ecoal);
+	if (err) {
+		perror("Cannot get device coalesce settings");
+		return 76;
+	}
+
+	do_generic_set(cmdline_coalesce, ARRAY_SIZE(cmdline_coalesce),
+		       &changed);
+
+	if (!changed) {
+		fprintf(stderr, "no coalesce parameters changed, aborting\n");
+		return 80;
+	}
+
+	ecoal.cmd = ETHTOOL_SCOALESCE;
+	err = send_ioctl(ctx, &ecoal);
+	if (err) {
+		perror("Cannot set device coalesce parameters");
+		return 81;
+	}
+
+	return 0;
+}
+
+static struct feature_state *
+get_features(struct cmd_context *ctx, const struct feature_defs *defs)
+{
+	struct feature_state *state;
+	struct ethtool_value eval;
+	int err, allfail = 1;
+	u32 value;
+	int i;
+
+	state = malloc(sizeof(*state) +
+		       FEATURE_BITS_TO_BLOCKS(defs->n_features) *
+		       sizeof(state->features.features[0]));
+	if (!state)
+		return NULL;
+
+	state->off_flags = 0;
+
+	for (i = 0; i < OFF_FLAG_DEF_SIZE; i++) {
+		value = off_flag_def[i].value;
+		if (!off_flag_def[i].get_cmd)
+			continue;
+		eval.cmd = off_flag_def[i].get_cmd;
+		err = send_ioctl(ctx, &eval);
+		if (err) {
+			if (errno == EOPNOTSUPP &&
+			    off_flag_def[i].get_cmd == ETHTOOL_GUFO)
+				continue;
+
+			fprintf(stderr,
+				"Cannot get device %s settings: %m\n",
+				off_flag_def[i].long_name);
+		} else {
+			if (eval.data)
+				state->off_flags |= value;
+			allfail = 0;
+		}
+	}
+
+	eval.cmd = ETHTOOL_GFLAGS;
+	err = send_ioctl(ctx, &eval);
+	if (err) {
+		perror("Cannot get device flags");
+	} else {
+		state->off_flags |= eval.data & ETH_FLAG_EXT_MASK;
+		allfail = 0;
+	}
+
+	if (defs->n_features) {
+		state->features.cmd = ETHTOOL_GFEATURES;
+		state->features.size = FEATURE_BITS_TO_BLOCKS(defs->n_features);
+		err = send_ioctl(ctx, &state->features);
+		if (err)
+			perror("Cannot get device generic features");
+		else
+			allfail = 0;
+	}
+
+	if (allfail) {
+		free(state);
+		return NULL;
+	}
+
+	return state;
+}
+
+static int do_gfeatures(struct cmd_context *ctx)
+{
+	struct feature_defs *defs;
+	struct feature_state *features;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	defs = get_feature_defs(ctx);
+	if (!defs) {
+		perror("Cannot get device feature names");
+		return 1;
+	}
+
+	fprintf(stdout, "Features for %s:\n", ctx->devname);
+
+	features = get_features(ctx, defs);
+	if (!features) {
+		fprintf(stdout, "no feature info available\n");
+		free(defs);
+		return 1;
+	}
+
+	dump_features(defs, features, NULL);
+	free(features);
+	free(defs);
+	return 0;
+}
+
+static int do_sfeatures(struct cmd_context *ctx)
+{
+	struct feature_defs *defs;
+	int any_changed = 0, any_mismatch = 0;
+	u32 off_flags_wanted = 0;
+	u32 off_flags_mask = 0;
+	struct ethtool_sfeatures *efeatures = NULL;
+	struct feature_state *old_state = NULL;
+	struct feature_state *new_state = NULL;
+	struct cmdline_info *cmdline_features;
+	struct ethtool_value eval;
+	unsigned int i, j;
+	int err, rc;
+
+	defs = get_feature_defs(ctx);
+	if (!defs) {
+		perror("Cannot get device feature names");
+		return 1;
+	}
+	if (defs->n_features) {
+		efeatures = malloc(sizeof(*efeatures) +
+				   FEATURE_BITS_TO_BLOCKS(defs->n_features) *
+				   sizeof(efeatures->features[0]));
+		if (!efeatures) {
+			perror("Cannot parse arguments");
+			rc = 1;
+			goto err;
+		}
+		efeatures->cmd = ETHTOOL_SFEATURES;
+		efeatures->size = FEATURE_BITS_TO_BLOCKS(defs->n_features);
+		memset(efeatures->features, 0,
+		       FEATURE_BITS_TO_BLOCKS(defs->n_features) *
+		       sizeof(efeatures->features[0]));
+	}
+
+	/* Generate cmdline_info for legacy flags and kernel-named
+	 * features, and parse our arguments.
+	 */
+	cmdline_features = calloc(2 * OFF_FLAG_DEF_SIZE + defs->n_features,
+				  sizeof(cmdline_features[0]));
+	if (!cmdline_features) {
+		perror("Cannot parse arguments");
+		rc = 1;
+		goto err;
+	}
+	j = 0;
+	for (i = 0; i < OFF_FLAG_DEF_SIZE; i++) {
+		flag_to_cmdline_info(off_flag_def[i].short_name,
+				     off_flag_def[i].value,
+				     &off_flags_wanted, &off_flags_mask,
+				     &cmdline_features[j++]);
+		flag_to_cmdline_info(off_flag_def[i].long_name,
+				     off_flag_def[i].value,
+				     &off_flags_wanted, &off_flags_mask,
+				     &cmdline_features[j++]);
+	}
+	for (i = 0; i < defs->n_features; i++)
+		flag_to_cmdline_info(
+			defs->def[i].name, FEATURE_FIELD_FLAG(i),
+			&FEATURE_WORD(efeatures->features, i, requested),
+			&FEATURE_WORD(efeatures->features, i, valid),
+			&cmdline_features[j++]);
+	parse_generic_cmdline(ctx, &any_changed, cmdline_features,
+			      2 * OFF_FLAG_DEF_SIZE + defs->n_features);
+	free(cmdline_features);
+
+	if (!any_changed) {
+		fprintf(stdout, "no features changed\n");
+		rc = 0;
+		goto err;
+	}
+
+	old_state = get_features(ctx, defs);
+	if (!old_state) {
+		rc = 1;
+		goto err;
+	}
+
+	if (efeatures) {
+		/* For each offload that the user specified, update any
+		 * related features that the user did not specify and that
+		 * are not fixed.  Warn if all related features are fixed.
+		 */
+		for (i = 0; i < OFF_FLAG_DEF_SIZE; i++) {
+			int fixed = 1;
+
+			if (!(off_flags_mask & off_flag_def[i].value))
+				continue;
+
+			for (j = 0; j < defs->n_features; j++) {
+				if (defs->def[j].off_flag_index != (int)i ||
+				    !FEATURE_BIT_IS_SET(
+					    old_state->features.features,
+					    j, available) ||
+				    FEATURE_BIT_IS_SET(
+					    old_state->features.features,
+					    j, never_changed))
+					continue;
+
+				fixed = 0;
+				if (!FEATURE_BIT_IS_SET(efeatures->features,
+							j, valid)) {
+					FEATURE_BIT_SET(efeatures->features,
+							j, valid);
+					if (off_flags_wanted &
+					    off_flag_def[i].value)
+						FEATURE_BIT_SET(
+							efeatures->features,
+							j, requested);
+				}
+			}
+
+			if (fixed)
+				fprintf(stderr, "Cannot change %s\n",
+					off_flag_def[i].long_name);
+		}
+
+		err = send_ioctl(ctx, efeatures);
+		if (err < 0) {
+			perror("Cannot set device feature settings");
+			rc = 1;
+			goto err;
+		}
+	} else {
+		for (i = 0; i < OFF_FLAG_DEF_SIZE; i++) {
+			if (!off_flag_def[i].set_cmd)
+				continue;
+			if (off_flags_mask & off_flag_def[i].value) {
+				eval.cmd = off_flag_def[i].set_cmd;
+				eval.data = !!(off_flags_wanted &
+					       off_flag_def[i].value);
+				err = send_ioctl(ctx, &eval);
+				if (err) {
+					fprintf(stderr,
+						"Cannot set device %s settings: %m\n",
+						off_flag_def[i].long_name);
+					rc = 1;
+					goto err;
+				}
+			}
+		}
+
+		if (off_flags_mask & ETH_FLAG_EXT_MASK) {
+			eval.cmd = ETHTOOL_SFLAGS;
+			eval.data = (old_state->off_flags & ~off_flags_mask &
+				     ETH_FLAG_EXT_MASK);
+			eval.data |= off_flags_wanted & ETH_FLAG_EXT_MASK;
+
+			err = send_ioctl(ctx, &eval);
+			if (err) {
+				perror("Cannot set device flag settings");
+				rc = 92;
+				goto err;
+			}
+		}
+	}
+
+	/* Compare new state with requested state */
+	new_state = get_features(ctx, defs);
+	if (!new_state) {
+		rc = 1;
+		goto err;
+	}
+	any_changed = new_state->off_flags != old_state->off_flags;
+	any_mismatch = (new_state->off_flags !=
+			((old_state->off_flags & ~off_flags_mask) |
+			 off_flags_wanted));
+	for (i = 0; i < FEATURE_BITS_TO_BLOCKS(defs->n_features); i++) {
+		if (new_state->features.features[i].active !=
+		    old_state->features.features[i].active)
+			any_changed = 1;
+		if (new_state->features.features[i].active !=
+		    ((old_state->features.features[i].active &
+		      ~efeatures->features[i].valid) |
+		     efeatures->features[i].requested))
+			any_mismatch = 1;
+	}
+	if (any_mismatch) {
+		if (!any_changed) {
+			fprintf(stderr,
+				"Could not change any device features\n");
+			rc = 1;
+			goto err;
+		}
+		printf("Actual changes:\n");
+		dump_features(defs, new_state, old_state);
+	}
+
+	rc = 0;
+
+err:
+	free(new_state);
+	free(old_state);
+	free(defs);
+	free(efeatures);
+
+	return rc;
+}
+
+static struct ethtool_link_usettings *
+do_ioctl_glinksettings(struct cmd_context *ctx)
+{
+	int err;
+	struct {
+		struct ethtool_link_settings req;
+		__u32 link_mode_data[3 * ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32];
+	} ecmd;
+	struct ethtool_link_usettings *link_usettings;
+	unsigned int u32_offs;
+
+	/* Handshake with kernel to determine number of words for link
+	 * mode bitmaps. When requested number of bitmap words is not
+	 * the one expected by kernel, the latter returns the integer
+	 * opposite of what it is expecting. We request length 0 below
+	 * (aka. invalid bitmap length) to get this info.
+	 */
+	memset(&ecmd, 0, sizeof(ecmd));
+	ecmd.req.cmd = ETHTOOL_GLINKSETTINGS;
+	err = send_ioctl(ctx, &ecmd);
+	if (err < 0)
+		return NULL;
+
+	/* see above: we expect a strictly negative value from kernel.
+	 */
+	if (ecmd.req.link_mode_masks_nwords >= 0
+	    || ecmd.req.cmd != ETHTOOL_GLINKSETTINGS)
+		return NULL;
+
+	/* got the real ecmd.req.link_mode_masks_nwords,
+	 * now send the real request
+	 */
+	ecmd.req.cmd = ETHTOOL_GLINKSETTINGS;
+	ecmd.req.link_mode_masks_nwords = -ecmd.req.link_mode_masks_nwords;
+	err = send_ioctl(ctx, &ecmd);
+	if (err < 0)
+		return NULL;
+
+	if (ecmd.req.link_mode_masks_nwords <= 0
+	    || ecmd.req.cmd != ETHTOOL_GLINKSETTINGS)
+		return NULL;
+
+	/* Convert to usettings struct */
+	link_usettings = calloc(1, sizeof(*link_usettings));
+	if (link_usettings == NULL)
+		return NULL;
+
+	memcpy(&link_usettings->base, &ecmd.req, sizeof(link_usettings->base));
+	link_usettings->deprecated.transceiver = ecmd.req.transceiver;
+
+	/* copy link mode bitmaps */
+	u32_offs = 0;
+	memcpy(link_usettings->link_modes.supported,
+	       &ecmd.link_mode_data[u32_offs],
+	       4 * ecmd.req.link_mode_masks_nwords);
+
+	u32_offs += ecmd.req.link_mode_masks_nwords;
+	memcpy(link_usettings->link_modes.advertising,
+	       &ecmd.link_mode_data[u32_offs],
+	       4 * ecmd.req.link_mode_masks_nwords);
+
+	u32_offs += ecmd.req.link_mode_masks_nwords;
+	memcpy(link_usettings->link_modes.lp_advertising,
+	       &ecmd.link_mode_data[u32_offs],
+	       4 * ecmd.req.link_mode_masks_nwords);
+
+	return link_usettings;
+}
+
+static int
+do_ioctl_slinksettings(struct cmd_context *ctx,
+		       const struct ethtool_link_usettings *link_usettings)
+{
+	struct {
+		struct ethtool_link_settings req;
+		__u32 link_mode_data[3 * ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32];
+	} ecmd;
+	unsigned int u32_offs;
+
+	/* refuse to send ETHTOOL_SLINKSETTINGS ioctl if
+	 * link_usettings was retrieved with ETHTOOL_GSET
+	 */
+	if (link_usettings->base.cmd != ETHTOOL_GLINKSETTINGS)
+		return -1;
+
+	/* refuse to send ETHTOOL_SLINKSETTINGS ioctl if deprecated fields
+	 * were set
+	 */
+	if (link_usettings->deprecated.transceiver)
+		return -1;
+
+	if (link_usettings->base.link_mode_masks_nwords <= 0)
+		return -1;
+
+	memcpy(&ecmd.req, &link_usettings->base, sizeof(ecmd.req));
+	ecmd.req.cmd = ETHTOOL_SLINKSETTINGS;
+
+	/* copy link mode bitmaps */
+	u32_offs = 0;
+	memcpy(&ecmd.link_mode_data[u32_offs],
+	       link_usettings->link_modes.supported,
+	       4 * ecmd.req.link_mode_masks_nwords);
+
+	u32_offs += ecmd.req.link_mode_masks_nwords;
+	memcpy(&ecmd.link_mode_data[u32_offs],
+	       link_usettings->link_modes.advertising,
+	       4 * ecmd.req.link_mode_masks_nwords);
+
+	u32_offs += ecmd.req.link_mode_masks_nwords;
+	memcpy(&ecmd.link_mode_data[u32_offs],
+	       link_usettings->link_modes.lp_advertising,
+	       4 * ecmd.req.link_mode_masks_nwords);
+
+	return send_ioctl(ctx, &ecmd);
+}
+
+static struct ethtool_link_usettings *
+do_ioctl_gset(struct cmd_context *ctx)
+{
+	int err;
+	struct ethtool_cmd ecmd;
+	struct ethtool_link_usettings *link_usettings;
+
+	memset(&ecmd, 0, sizeof(ecmd));
+	ecmd.cmd = ETHTOOL_GSET;
+	err = send_ioctl(ctx, &ecmd);
+	if (err < 0)
+		return NULL;
+
+	link_usettings = calloc(1, sizeof(*link_usettings));
+	if (link_usettings == NULL)
+		return NULL;
+
+	/* remember that ETHTOOL_GSET was used */
+	link_usettings->base.cmd = ETHTOOL_GSET;
+
+	link_usettings->base.link_mode_masks_nwords = 1;
+	link_usettings->link_modes.supported[0] = ecmd.supported;
+	link_usettings->link_modes.advertising[0] = ecmd.advertising;
+	link_usettings->link_modes.lp_advertising[0] = ecmd.lp_advertising;
+	link_usettings->base.speed = ethtool_cmd_speed(&ecmd);
+	link_usettings->base.duplex = ecmd.duplex;
+	link_usettings->base.port = ecmd.port;
+	link_usettings->base.phy_address = ecmd.phy_address;
+	link_usettings->deprecated.transceiver = ecmd.transceiver;
+	link_usettings->base.autoneg = ecmd.autoneg;
+	link_usettings->base.mdio_support = ecmd.mdio_support;
+	/* ignored (fully deprecated): maxrxpkt, maxtxpkt */
+	link_usettings->base.eth_tp_mdix = ecmd.eth_tp_mdix;
+	link_usettings->base.eth_tp_mdix_ctrl = ecmd.eth_tp_mdix_ctrl;
+
+	return link_usettings;
+}
+
+static bool ethtool_link_mode_is_backward_compatible(const u32 *mask)
+{
+	unsigned int i;
+
+	for (i = 1; i < ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NU32; ++i)
+		if (mask[i])
+			return false;
+
+	return true;
+}
+
+static int
+do_ioctl_sset(struct cmd_context *ctx,
+	      const struct ethtool_link_usettings *link_usettings)
+{
+	struct ethtool_cmd ecmd;
+
+	/* refuse to send ETHTOOL_SSET ioctl if link_usettings was
+	 * retrieved with ETHTOOL_GLINKSETTINGS
+	 */
+	if (link_usettings->base.cmd != ETHTOOL_GSET)
+		return -1;
+
+	if (link_usettings->base.link_mode_masks_nwords <= 0)
+		return -1;
+
+	/* refuse to sset if any bit > 31 is set */
+	if (!ethtool_link_mode_is_backward_compatible(
+		    link_usettings->link_modes.supported))
+		return -1;
+	if (!ethtool_link_mode_is_backward_compatible(
+		    link_usettings->link_modes.advertising))
+		return -1;
+	if (!ethtool_link_mode_is_backward_compatible(
+		    link_usettings->link_modes.lp_advertising))
+		return -1;
+
+	memset(&ecmd, 0, sizeof(ecmd));
+	ecmd.cmd = ETHTOOL_SSET;
+
+	ecmd.supported = link_usettings->link_modes.supported[0];
+	ecmd.advertising = link_usettings->link_modes.advertising[0];
+	ecmd.lp_advertising = link_usettings->link_modes.lp_advertising[0];
+	ethtool_cmd_speed_set(&ecmd, link_usettings->base.speed);
+	ecmd.duplex = link_usettings->base.duplex;
+	ecmd.port = link_usettings->base.port;
+	ecmd.phy_address = link_usettings->base.phy_address;
+	ecmd.transceiver = link_usettings->deprecated.transceiver;
+	ecmd.autoneg = link_usettings->base.autoneg;
+	ecmd.mdio_support = link_usettings->base.mdio_support;
+	/* ignored (fully deprecated): maxrxpkt, maxtxpkt */
+	ecmd.eth_tp_mdix = link_usettings->base.eth_tp_mdix;
+	ecmd.eth_tp_mdix_ctrl = link_usettings->base.eth_tp_mdix_ctrl;
+	return send_ioctl(ctx, &ecmd);
+}
+
+static int do_gset(struct cmd_context *ctx)
+{
+	int err;
+	struct ethtool_link_usettings *link_usettings;
+	struct ethtool_wolinfo wolinfo;
+	struct ethtool_value edata;
+	int allfail = 1;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	fprintf(stdout, "Settings for %s:\n", ctx->devname);
+
+	link_usettings = do_ioctl_glinksettings(ctx);
+	if (link_usettings == NULL)
+		link_usettings = do_ioctl_gset(ctx);
+	if (link_usettings != NULL) {
+		err = dump_link_usettings(link_usettings);
+		free(link_usettings);
+		if (err)
+			return err;
+		allfail = 0;
+	} else if (errno != EOPNOTSUPP) {
+		perror("Cannot get device settings");
+	}
+
+	wolinfo.cmd = ETHTOOL_GWOL;
+	err = send_ioctl(ctx, &wolinfo);
+	if (err == 0) {
+		err = dump_wol(&wolinfo);
+		if (err)
+			return err;
+		allfail = 0;
+	} else if (errno != EOPNOTSUPP) {
+		perror("Cannot get wake-on-lan settings");
+	}
+
+	edata.cmd = ETHTOOL_GMSGLVL;
+	err = send_ioctl(ctx, &edata);
+	if (err == 0) {
+		fprintf(stdout, "	Current message level: 0x%08x (%d)\n"
+			"			       ",
+			edata.data, edata.data);
+		print_flags(flags_msglvl, n_flags_msglvl, edata.data);
+		fprintf(stdout, "\n");
+		allfail = 0;
+	} else if (errno != EOPNOTSUPP) {
+		perror("Cannot get message level");
+	}
+
+	edata.cmd = ETHTOOL_GLINK;
+	err = send_ioctl(ctx, &edata);
+	if (err == 0) {
+		fprintf(stdout, "	Link detected: %s\n",
+			edata.data ? "yes":"no");
+		allfail = 0;
+	} else if (errno != EOPNOTSUPP) {
+		perror("Cannot get link status");
+	}
+
+	if (allfail) {
+		fprintf(stdout, "No data available\n");
+		return 75;
+	}
+	return 0;
+}
+
+static int do_sset(struct cmd_context *ctx)
+{
+	int speed_wanted = -1;
+	int duplex_wanted = -1;
+	int port_wanted = -1;
+	int mdix_wanted = -1;
+	int autoneg_wanted = -1;
+	int phyad_wanted = -1;
+	int xcvr_wanted = -1;
+	u32 *full_advertising_wanted = NULL;
+	u32 *advertising_wanted = NULL;
+	ETHTOOL_DECLARE_LINK_MODE_MASK(mask_full_advertising_wanted);
+	ETHTOOL_DECLARE_LINK_MODE_MASK(mask_advertising_wanted);
+	int gset_changed = 0; /* did anything in GSET change? */
+	u32 wol_wanted = 0;
+	int wol_change = 0;
+	u8 sopass_wanted[SOPASS_MAX];
+	int sopass_change = 0;
+	int gwol_changed = 0; /* did anything in GWOL change? */
+	int msglvl_changed = 0;
+	u32 msglvl_wanted = 0;
+	u32 msglvl_mask = 0;
+	struct cmdline_info cmdline_msglvl[n_flags_msglvl];
+	unsigned int argc = ctx->argc;
+	char **argp = ctx->argp;
+	unsigned int i;
+	int err = 0;
+
+	for (i = 0; i < n_flags_msglvl; i++)
+		flag_to_cmdline_info(flags_msglvl[i].name,
+				     flags_msglvl[i].value,
+				     &msglvl_wanted, &msglvl_mask,
+				     &cmdline_msglvl[i]);
+
+	for (i = 0; i < argc; i++) {
+		if (!strcmp(argp[i], "speed")) {
+			gset_changed = 1;
+			i += 1;
+			if (i >= argc)
+				exit_bad_args();
+			speed_wanted = get_int(argp[i], 10);
+		} else if (!strcmp(argp[i], "duplex")) {
+			gset_changed = 1;
+			i += 1;
+			if (i >= argc)
+				exit_bad_args();
+			if (!strcmp(argp[i], "half"))
+				duplex_wanted = DUPLEX_HALF;
+			else if (!strcmp(argp[i], "full"))
+				duplex_wanted = DUPLEX_FULL;
+			else
+				exit_bad_args();
+		} else if (!strcmp(argp[i], "port")) {
+			gset_changed = 1;
+			i += 1;
+			if (i >= argc)
+				exit_bad_args();
+			if (!strcmp(argp[i], "tp"))
+				port_wanted = PORT_TP;
+			else if (!strcmp(argp[i], "aui"))
+				port_wanted = PORT_AUI;
+			else if (!strcmp(argp[i], "bnc"))
+				port_wanted = PORT_BNC;
+			else if (!strcmp(argp[i], "mii"))
+				port_wanted = PORT_MII;
+			else if (!strcmp(argp[i], "fibre"))
+				port_wanted = PORT_FIBRE;
+			else
+				exit_bad_args();
+		} else if (!strcmp(argp[i], "mdix")) {
+			gset_changed = 1;
+			i += 1;
+			if (i >= argc)
+				exit_bad_args();
+			if (!strcmp(argp[i], "auto"))
+				mdix_wanted = ETH_TP_MDI_AUTO;
+			else if (!strcmp(argp[i], "on"))
+				mdix_wanted = ETH_TP_MDI_X;
+			else if (!strcmp(argp[i], "off"))
+				mdix_wanted = ETH_TP_MDI;
+			else
+				exit_bad_args();
+		} else if (!strcmp(argp[i], "autoneg")) {
+			i += 1;
+			if (i >= argc)
+				exit_bad_args();
+			if (!strcmp(argp[i], "on")) {
+				gset_changed = 1;
+				autoneg_wanted = AUTONEG_ENABLE;
+			} else if (!strcmp(argp[i], "off")) {
+				gset_changed = 1;
+				autoneg_wanted = AUTONEG_DISABLE;
+			} else {
+				exit_bad_args();
+			}
+		} else if (!strcmp(argp[i], "advertise")) {
+			gset_changed = 1;
+			i += 1;
+			if (i >= argc)
+				exit_bad_args();
+			if (parse_hex_u32_bitmap(
+				    argp[i],
+				    ETHTOOL_LINK_MODE_MASK_MAX_KERNEL_NBITS,
+				    mask_full_advertising_wanted))
+				exit_bad_args();
+			full_advertising_wanted = mask_full_advertising_wanted;
+		} else if (!strcmp(argp[i], "phyad")) {
+			gset_changed = 1;
+			i += 1;
+			if (i >= argc)
+				exit_bad_args();
+			phyad_wanted = get_int(argp[i], 0);
+		} else if (!strcmp(argp[i], "xcvr")) {
+			gset_changed = 1;
+			i += 1;
+			if (i >= argc)
+				exit_bad_args();
+			if (!strcmp(argp[i], "internal"))
+				xcvr_wanted = XCVR_INTERNAL;
+			else if (!strcmp(argp[i], "external"))
+				xcvr_wanted = XCVR_EXTERNAL;
+			else
+				exit_bad_args();
+		} else if (!strcmp(argp[i], "wol")) {
+			gwol_changed = 1;
+			i++;
+			if (i >= argc)
+				exit_bad_args();
+			if (parse_wolopts(argp[i], &wol_wanted) < 0)
+				exit_bad_args();
+			wol_change = 1;
+		} else if (!strcmp(argp[i], "sopass")) {
+			gwol_changed = 1;
+			i++;
+			if (i >= argc)
+				exit_bad_args();
+			get_mac_addr(argp[i], sopass_wanted);
+			sopass_change = 1;
+		} else if (!strcmp(argp[i], "msglvl")) {
+			i++;
+			if (i >= argc)
+				exit_bad_args();
+			if (isdigit((unsigned char)argp[i][0])) {
+				msglvl_changed = 1;
+				msglvl_mask = ~0;
+				msglvl_wanted =
+					get_uint_range(argp[i], 0,
+						       0xffffffff);
+			} else {
+				ctx->argc -= i;
+				ctx->argp += i;
+				parse_generic_cmdline(
+					ctx, &msglvl_changed,
+					cmdline_msglvl,
+					ARRAY_SIZE(cmdline_msglvl));
+				break;
+			}
+		} else if (!strcmp(argp[i], "master-slave")) {
+			exit_nlonly_param(argp[i]);
+		} else {
+			exit_bad_args();
+		}
+	}
+
+	if (full_advertising_wanted == NULL) {
+		/* User didn't supply a full advertisement bitfield:
+		 * construct one from the specified speed and duplex.
+		 */
+		int adv_bit = -1;
+
+		if (speed_wanted == SPEED_10 && duplex_wanted == DUPLEX_HALF)
+			adv_bit = ETHTOOL_LINK_MODE_10baseT_Half_BIT;
+		else if (speed_wanted == SPEED_10 &&
+			 duplex_wanted == DUPLEX_FULL)
+			adv_bit = ETHTOOL_LINK_MODE_10baseT_Full_BIT;
+		else if (speed_wanted == SPEED_100 &&
+			 duplex_wanted == DUPLEX_HALF)
+			adv_bit = ETHTOOL_LINK_MODE_100baseT_Half_BIT;
+		else if (speed_wanted == SPEED_100 &&
+			 duplex_wanted == DUPLEX_FULL)
+			adv_bit = ETHTOOL_LINK_MODE_100baseT_Full_BIT;
+		else if (speed_wanted == SPEED_1000 &&
+			 duplex_wanted == DUPLEX_HALF)
+			adv_bit = ETHTOOL_LINK_MODE_1000baseT_Half_BIT;
+		else if (speed_wanted == SPEED_1000 &&
+			 duplex_wanted == DUPLEX_FULL)
+			adv_bit = ETHTOOL_LINK_MODE_1000baseT_Full_BIT;
+		else if (speed_wanted == SPEED_2500 &&
+			 duplex_wanted == DUPLEX_FULL)
+			adv_bit = ETHTOOL_LINK_MODE_2500baseX_Full_BIT;
+		else if (speed_wanted == SPEED_10000 &&
+			 duplex_wanted == DUPLEX_FULL)
+			adv_bit = ETHTOOL_LINK_MODE_10000baseT_Full_BIT;
+
+		if (adv_bit >= 0) {
+			advertising_wanted = mask_advertising_wanted;
+			ethtool_link_mode_zero(advertising_wanted);
+			ethtool_link_mode_set_bit(
+				adv_bit, advertising_wanted);
+		}
+		/* otherwise: auto negotiate without forcing,
+		 * all supported speed will be assigned below
+		 */
+	}
+
+	if (gset_changed) {
+		struct ethtool_link_usettings *link_usettings;
+
+		link_usettings = do_ioctl_glinksettings(ctx);
+		if (link_usettings == NULL)
+			link_usettings = do_ioctl_gset(ctx);
+		else
+			memset(&link_usettings->deprecated, 0,
+			       sizeof(link_usettings->deprecated));
+		if (link_usettings == NULL) {
+			perror("Cannot get current device settings");
+			err = -1;
+		} else {
+			/* Change everything the user specified. */
+			if (speed_wanted != -1)
+				link_usettings->base.speed = speed_wanted;
+			if (duplex_wanted != -1)
+				link_usettings->base.duplex = duplex_wanted;
+			if (port_wanted != -1)
+				link_usettings->base.port = port_wanted;
+			if (mdix_wanted != -1) {
+				/* check driver supports MDI-X */
+				if (link_usettings->base.eth_tp_mdix_ctrl
+				    != ETH_TP_MDI_INVALID)
+					link_usettings->base.eth_tp_mdix_ctrl
+						= mdix_wanted;
+				else
+					fprintf(stderr,
+						"setting MDI not supported\n");
+			}
+			if (autoneg_wanted != -1)
+				link_usettings->base.autoneg = autoneg_wanted;
+			if (phyad_wanted != -1)
+				link_usettings->base.phy_address = phyad_wanted;
+			if (xcvr_wanted != -1)
+				link_usettings->deprecated.transceiver
+					= xcvr_wanted;
+			/* XXX If the user specified speed or duplex
+			 * then we should mask the advertised modes
+			 * accordingly.  For now, warn that we aren't
+			 * doing that.
+			 */
+			if ((speed_wanted != -1 || duplex_wanted != -1) &&
+			    link_usettings->base.autoneg &&
+			    advertising_wanted == NULL) {
+				fprintf(stderr, "Cannot advertise");
+				if (speed_wanted >= 0)
+					fprintf(stderr, " speed %d",
+						speed_wanted);
+				if (duplex_wanted >= 0)
+					fprintf(stderr, " duplex %s",
+						duplex_wanted ?
+						"full" : "half");
+				fprintf(stderr,	"\n");
+			}
+			if (autoneg_wanted == AUTONEG_ENABLE &&
+			    advertising_wanted == NULL &&
+			    full_advertising_wanted == NULL) {
+				unsigned int i;
+
+				/* Auto negotiation enabled, but with
+				 * unspecified speed and duplex: enable all
+				 * supported speeds and duplexes.
+				 */
+				ethtool_link_mode_for_each_u32(i) {
+					u32 sup = link_usettings->link_modes.supported[i];
+					u32 *adv = link_usettings->link_modes.advertising + i;
+
+					*adv = ((*adv & ~all_advertised_modes[i])
+						| (sup & all_advertised_modes[i]));
+				}
+
+				/* If driver supports unknown flags, we cannot
+				 * be sure that we enable all link modes.
+				 */
+				ethtool_link_mode_for_each_u32(i) {
+					u32 sup = link_usettings->link_modes.supported[i];
+
+					if ((sup & all_advertised_flags[i]) != sup) {
+						fprintf(stderr, "Driver supports one or more unknown flags\n");
+						break;
+					}
+				}
+			} else if (advertising_wanted != NULL) {
+				unsigned int i;
+
+				/* Enable all requested modes */
+				ethtool_link_mode_for_each_u32(i) {
+					u32 *adv = link_usettings->link_modes.advertising + i;
+
+					*adv = ((*adv & ~all_advertised_modes[i])
+						| advertising_wanted[i]);
+				}
+			} else if (full_advertising_wanted != NULL) {
+				ethtool_link_mode_copy(
+					link_usettings->link_modes.advertising,
+					full_advertising_wanted);
+			}
+
+			/* Try to perform the update. */
+			if (link_usettings->base.cmd == ETHTOOL_GLINKSETTINGS)
+				err = do_ioctl_slinksettings(ctx,
+							     link_usettings);
+			else
+				err = do_ioctl_sset(ctx, link_usettings);
+			free(link_usettings);
+			if (err < 0)
+				perror("Cannot set new settings");
+		}
+		if (err < 0) {
+			if (speed_wanted != -1)
+				fprintf(stderr, "  not setting speed\n");
+			if (duplex_wanted != -1)
+				fprintf(stderr, "  not setting duplex\n");
+			if (port_wanted != -1)
+				fprintf(stderr, "  not setting port\n");
+			if (autoneg_wanted != -1)
+				fprintf(stderr, "  not setting autoneg\n");
+			if (phyad_wanted != -1)
+				fprintf(stderr, "  not setting phy_address\n");
+			if (xcvr_wanted != -1)
+				fprintf(stderr, "  not setting transceiver\n");
+			if (mdix_wanted != -1)
+				fprintf(stderr, "  not setting mdix\n");
+		}
+	}
+
+	if (gwol_changed) {
+		struct ethtool_wolinfo wol;
+
+		wol.cmd = ETHTOOL_GWOL;
+		err = send_ioctl(ctx, &wol);
+		if (err < 0) {
+			perror("Cannot get current wake-on-lan settings");
+		} else {
+			/* Change everything the user specified. */
+			if (wol_change)
+				wol.wolopts = wol_wanted;
+			if (sopass_change) {
+				int i;
+				for (i = 0; i < SOPASS_MAX; i++)
+					wol.sopass[i] = sopass_wanted[i];
+			}
+
+			/* Try to perform the update. */
+			wol.cmd = ETHTOOL_SWOL;
+			err = send_ioctl(ctx, &wol);
+			if (err < 0)
+				perror("Cannot set new wake-on-lan settings");
+		}
+		if (err < 0) {
+			if (wol_change)
+				fprintf(stderr, "  not setting wol\n");
+			if (sopass_change)
+				fprintf(stderr, "  not setting sopass\n");
+		}
+	}
+
+	if (msglvl_changed) {
+		struct ethtool_value edata;
+
+		edata.cmd = ETHTOOL_GMSGLVL;
+		err = send_ioctl(ctx, &edata);
+		if (err < 0) {
+			perror("Cannot get msglvl");
+		} else {
+			edata.cmd = ETHTOOL_SMSGLVL;
+			edata.data = ((edata.data & ~msglvl_mask) |
+				      msglvl_wanted);
+			err = send_ioctl(ctx, &edata);
+			if (err < 0)
+				perror("Cannot set new msglvl");
+		}
+	}
+
+	return 0;
+}
+
+static int do_gregs(struct cmd_context *ctx)
+{
+	int gregs_changed = 0;
+	int gregs_dump_raw = 0;
+	int gregs_dump_hex = 0;
+	char *gregs_dump_file = NULL;
+	struct cmdline_info cmdline_gregs[] = {
+		{
+			.name		= "raw",
+			.type		= CMDL_BOOL,
+			.wanted_val	= &gregs_dump_raw,
+		},
+		{
+			.name		= "hex",
+			.type		= CMDL_BOOL,
+			.wanted_val	= &gregs_dump_hex,
+		},
+		{
+			.name		= "file",
+			.type		= CMDL_STR,
+			.wanted_val	= &gregs_dump_file,
+		},
+	};
+	int err;
+	struct ethtool_drvinfo drvinfo;
+	struct ethtool_regs *regs;
+
+	parse_generic_cmdline(ctx, &gregs_changed,
+			      cmdline_gregs, ARRAY_SIZE(cmdline_gregs));
+
+	drvinfo.cmd = ETHTOOL_GDRVINFO;
+	err = send_ioctl(ctx, &drvinfo);
+	if (err < 0) {
+		perror("Cannot get driver information");
+		return 72;
+	}
+
+	regs = calloc(1, sizeof(*regs)+drvinfo.regdump_len);
+	if (!regs) {
+		perror("Cannot allocate memory for register dump");
+		return 73;
+	}
+	regs->cmd = ETHTOOL_GREGS;
+	regs->len = drvinfo.regdump_len;
+	err = send_ioctl(ctx, regs);
+	if (err < 0) {
+		perror("Cannot get register dump");
+		free(regs);
+		return 74;
+	}
+
+	if (!gregs_dump_raw && gregs_dump_file != NULL) {
+		/* overwrite reg values from file dump */
+		FILE *f = fopen(gregs_dump_file, "r");
+		struct ethtool_regs *nregs;
+		struct stat st;
+		size_t nread;
+
+		if (!f || fstat(fileno(f), &st) < 0) {
+			fprintf(stderr, "Can't open '%s': %s\n",
+				gregs_dump_file, strerror(errno));
+			if (f)
+				fclose(f);
+			free(regs);
+			return 75;
+		}
+
+		nregs = realloc(regs, sizeof(*regs) + st.st_size);
+		if (!nregs) {
+			perror("Cannot allocate memory for register dump");
+			free(regs); /* was not freed by realloc */
+			return 73;
+		}
+		regs = nregs;
+		regs->len = st.st_size;
+		nread = fread(regs->data, regs->len, 1, f);
+		fclose(f);
+		if (nread != 1) {
+			free(regs);
+			return 75;
+		}
+	}
+
+	if (dump_regs(gregs_dump_raw, gregs_dump_hex,
+		      &drvinfo, regs) < 0) {
+		fprintf(stderr, "Cannot dump registers\n");
+		free(regs);
+		return 75;
+	}
+	free(regs);
+
+	return 0;
+}
+
+static int do_nway_rst(struct cmd_context *ctx)
+{
+	struct ethtool_value edata;
+	int err;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	edata.cmd = ETHTOOL_NWAY_RST;
+	err = send_ioctl(ctx, &edata);
+	if (err < 0)
+		perror("Cannot restart autonegotiation");
+
+	return err;
+}
+
+static int do_geeprom(struct cmd_context *ctx)
+{
+	int geeprom_changed = 0;
+	int geeprom_dump_raw = 0;
+	u32 geeprom_offset = 0;
+	u32 geeprom_length = 0;
+	int geeprom_length_seen = 0;
+	struct cmdline_info cmdline_geeprom[] = {
+		{
+			.name		= "offset",
+			.type		= CMDL_U32,
+			.wanted_val	= &geeprom_offset,
+		},
+		{
+			.name		= "length",
+			.type		= CMDL_U32,
+			.wanted_val	= &geeprom_length,
+			.seen_val	= &geeprom_length_seen,
+		},
+		{
+			.name		= "raw",
+			.type		= CMDL_BOOL,
+			.wanted_val	= &geeprom_dump_raw,
+		},
+	};
+	int err;
+	struct ethtool_drvinfo drvinfo;
+	struct ethtool_eeprom *eeprom;
+
+	parse_generic_cmdline(ctx, &geeprom_changed,
+			      cmdline_geeprom, ARRAY_SIZE(cmdline_geeprom));
+
+	drvinfo.cmd = ETHTOOL_GDRVINFO;
+	err = send_ioctl(ctx, &drvinfo);
+	if (err < 0) {
+		perror("Cannot get driver information");
+		return 74;
+	}
+
+	if (!geeprom_length_seen)
+		geeprom_length = drvinfo.eedump_len;
+
+	if (drvinfo.eedump_len < geeprom_offset + geeprom_length)
+		geeprom_length = drvinfo.eedump_len - geeprom_offset;
+
+	eeprom = calloc(1, sizeof(*eeprom)+geeprom_length);
+	if (!eeprom) {
+		perror("Cannot allocate memory for EEPROM data");
+		return 75;
+	}
+	eeprom->cmd = ETHTOOL_GEEPROM;
+	eeprom->len = geeprom_length;
+	eeprom->offset = geeprom_offset;
+	err = send_ioctl(ctx, eeprom);
+	if (err < 0) {
+		perror("Cannot get EEPROM data");
+		free(eeprom);
+		return 74;
+	}
+	err = dump_eeprom(geeprom_dump_raw, &drvinfo, eeprom);
+	free(eeprom);
+
+	return err;
+}
+
+static int do_seeprom(struct cmd_context *ctx)
+{
+	int seeprom_changed = 0;
+	u32 seeprom_magic = 0;
+	u32 seeprom_length = 0;
+	u32 seeprom_offset = 0;
+	u8 seeprom_value = 0;
+	int seeprom_length_seen = 0;
+	int seeprom_value_seen = 0;
+	struct cmdline_info cmdline_seeprom[] = {
+		{
+			.name		= "magic",
+			.type		= CMDL_U32,
+			.wanted_val	= &seeprom_magic,
+		},
+		{
+			.name		= "offset",
+			.type		= CMDL_U32,
+			.wanted_val	= &seeprom_offset,
+		},
+		{
+			.name		= "length",
+			.type		= CMDL_U32,
+			.wanted_val	= &seeprom_length,
+			.seen_val	= &seeprom_length_seen,
+		},
+		{
+			.name		= "value",
+			.type		= CMDL_U8,
+			.wanted_val	= &seeprom_value,
+			.seen_val	= &seeprom_value_seen,
+		},
+	};
+	int err;
+	struct ethtool_drvinfo drvinfo;
+	struct ethtool_eeprom *eeprom;
+
+	parse_generic_cmdline(ctx, &seeprom_changed,
+			      cmdline_seeprom, ARRAY_SIZE(cmdline_seeprom));
+
+	drvinfo.cmd = ETHTOOL_GDRVINFO;
+	err = send_ioctl(ctx, &drvinfo);
+	if (err < 0) {
+		perror("Cannot get driver information");
+		return 74;
+	}
+
+	if (seeprom_value_seen && !seeprom_length_seen)
+		seeprom_length = 1;
+	else if (!seeprom_length_seen)
+		seeprom_length = drvinfo.eedump_len;
+
+	if (seeprom_value_seen && (seeprom_length != 1)) {
+		fprintf(stderr, "value requires length 1\n");
+		return 1;
+	}
+
+	if (drvinfo.eedump_len < seeprom_offset + seeprom_length) {
+		fprintf(stderr, "offset & length out of bounds\n");
+		return 1;
+	}
+
+	eeprom = calloc(1, sizeof(*eeprom)+seeprom_length);
+	if (!eeprom) {
+		perror("Cannot allocate memory for EEPROM data");
+		return 75;
+	}
+
+	eeprom->cmd = ETHTOOL_SEEPROM;
+	eeprom->len = seeprom_length;
+	eeprom->offset = seeprom_offset;
+	eeprom->magic = seeprom_magic;
+	eeprom->data[0] = seeprom_value;
+
+	/* Multi-byte write: read input from stdin */
+	if (!seeprom_value_seen) {
+		if (fread(eeprom->data, eeprom->len, 1, stdin) != 1) {
+			fprintf(stderr, "not enough data from stdin\n");
+			free(eeprom);
+			return 75;
+		}
+		if ((fgetc(stdin) != EOF) || !feof(stdin)) {
+			fprintf(stderr, "too much data from stdin\n");
+			free(eeprom);
+			return 75;
+		}
+	}
+
+	err = send_ioctl(ctx, eeprom);
+	if (err < 0) {
+		perror("Cannot set EEPROM data");
+		err = 87;
+	}
+	free(eeprom);
+
+	return err;
+}
+
+static int do_test(struct cmd_context *ctx)
+{
+	enum {
+		ONLINE = 0,
+		OFFLINE,
+		EXTERNAL_LB,
+	} test_type;
+	int err;
+	struct ethtool_test *test;
+	struct ethtool_gstrings *strings;
+
+	if (ctx->argc > 1)
+		exit_bad_args();
+	if (ctx->argc == 1) {
+		if (!strcmp(ctx->argp[0], "online"))
+			test_type = ONLINE;
+		else if (!strcmp(*ctx->argp, "offline"))
+			test_type = OFFLINE;
+		else if (!strcmp(*ctx->argp, "external_lb"))
+			test_type = EXTERNAL_LB;
+		else
+			exit_bad_args();
+	} else {
+		test_type = OFFLINE;
+	}
+
+	strings = get_stringset(ctx, ETH_SS_TEST,
+				offsetof(struct ethtool_drvinfo, testinfo_len),
+				1);
+	if (!strings) {
+		perror("Cannot get strings");
+		return 74;
+	}
+
+	test = calloc(1, sizeof(*test) + strings->len * sizeof(u64));
+	if (!test) {
+		perror("Cannot allocate memory for test info");
+		free(strings);
+		return 73;
+	}
+	memset(test->data, 0, strings->len * sizeof(u64));
+	test->cmd = ETHTOOL_TEST;
+	test->len = strings->len;
+	if (test_type == EXTERNAL_LB)
+		test->flags = (ETH_TEST_FL_OFFLINE | ETH_TEST_FL_EXTERNAL_LB);
+	else if (test_type == OFFLINE)
+		test->flags = ETH_TEST_FL_OFFLINE;
+	else
+		test->flags = 0;
+	err = send_ioctl(ctx, test);
+	if (err < 0) {
+		perror("Cannot test");
+		free(test);
+		free(strings);
+		return 74;
+	}
+
+	err = dump_test(test, strings);
+	free(test);
+	free(strings);
+
+	return err;
+}
+
+static int do_phys_id(struct cmd_context *ctx)
+{
+	int err;
+	struct ethtool_value edata;
+	int phys_id_time;
+
+	if (ctx->argc > 1)
+		exit_bad_args();
+	if (ctx->argc == 1)
+		phys_id_time = get_int(*ctx->argp, 0);
+	else
+		phys_id_time = 0;
+
+	edata.cmd = ETHTOOL_PHYS_ID;
+	edata.data = phys_id_time;
+	err = send_ioctl(ctx, &edata);
+	if (err < 0)
+		perror("Cannot identify NIC");
+
+	return err;
+}
+
+static int do_gstats(struct cmd_context *ctx, int cmd, int stringset,
+		    const char *name)
+{
+	struct ethtool_gstrings *strings;
+	struct ethtool_stats *stats;
+	unsigned int n_stats, sz_stats, i;
+	int err;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	strings = get_stringset(ctx, stringset,
+				offsetof(struct ethtool_drvinfo, n_stats),
+				0);
+	if (!strings) {
+		perror("Cannot get stats strings information");
+		return 96;
+	}
+
+	n_stats = strings->len;
+	if (n_stats < 1) {
+		fprintf(stderr, "no stats available\n");
+		free(strings);
+		return 94;
+	}
+
+	sz_stats = n_stats * sizeof(u64);
+
+	stats = calloc(1, sz_stats + sizeof(struct ethtool_stats));
+	if (!stats) {
+		fprintf(stderr, "no memory available\n");
+		free(strings);
+		return 95;
+	}
+
+	stats->cmd = cmd;
+	stats->n_stats = n_stats;
+	err = send_ioctl(ctx, stats);
+	if (err < 0) {
+		perror("Cannot get stats information");
+		free(strings);
+		free(stats);
+		return 97;
+	}
+
+	/* todo - pretty-print the strings per-driver */
+	fprintf(stdout, "%s statistics:\n", name);
+	for (i = 0; i < n_stats; i++) {
+		fprintf(stdout, "     %.*s: %llu\n",
+			ETH_GSTRING_LEN,
+			&strings->data[i * ETH_GSTRING_LEN],
+			stats->data[i]);
+	}
+	free(strings);
+	free(stats);
+
+	return 0;
+}
+
+static int do_gnicstats(struct cmd_context *ctx)
+{
+	return do_gstats(ctx, ETHTOOL_GSTATS, ETH_SS_STATS, "NIC");
+}
+
+static int do_gphystats(struct cmd_context *ctx)
+{
+	return do_gstats(ctx, ETHTOOL_GPHYSTATS, ETH_SS_PHY_STATS, "PHY");
+}
+
+static int do_srxntuple(struct cmd_context *ctx,
+			struct ethtool_rx_flow_spec *rx_rule_fs);
+
+static int do_srxclass(struct cmd_context *ctx)
+{
+	int err;
+
+	if (ctx->argc < 2)
+		exit_bad_args();
+
+	if (!strcmp(ctx->argp[0], "rx-flow-hash")) {
+		int rx_fhash_set;
+		u32 rx_fhash_val;
+		struct ethtool_rxnfc nfccmd;
+		bool flow_rss = false;
+
+		if (ctx->argc == 5) {
+			if (strcmp(ctx->argp[3], "context"))
+				exit_bad_args();
+			flow_rss = true;
+			nfccmd.rss_context = get_u32(ctx->argp[4], 0);
+		} else if (ctx->argc != 3) {
+			exit_bad_args();
+		}
+		rx_fhash_set = rxflow_str_to_type(ctx->argp[1]);
+		if (!rx_fhash_set)
+			exit_bad_args();
+		if (parse_rxfhashopts(ctx->argp[2], &rx_fhash_val) < 0)
+			exit_bad_args();
+
+		nfccmd.cmd = ETHTOOL_SRXFH;
+		nfccmd.flow_type = rx_fhash_set;
+		nfccmd.data = rx_fhash_val;
+		if (flow_rss)
+			nfccmd.flow_type |= FLOW_RSS;
+
+		err = send_ioctl(ctx, &nfccmd);
+		if (err < 0)
+			perror("Cannot change RX network flow hashing options");
+	} else if (!strcmp(ctx->argp[0], "flow-type")) {
+		struct ethtool_rx_flow_spec rx_rule_fs;
+		__u32 rss_context = 0;
+
+		ctx->argc--;
+		ctx->argp++;
+		if (rxclass_parse_ruleopts(ctx, &rx_rule_fs, &rss_context) < 0)
+			exit_bad_args();
+
+		/* attempt to add rule via N-tuple specifier */
+		err = do_srxntuple(ctx, &rx_rule_fs);
+		if (!err)
+			return 0;
+
+		/* attempt to add rule via network flow classifier */
+		err = rxclass_rule_ins(ctx, &rx_rule_fs, rss_context);
+		if (err < 0) {
+			fprintf(stderr, "Cannot insert"
+				" classification rule\n");
+			return 1;
+		}
+	} else if (!strcmp(ctx->argp[0], "delete")) {
+		int rx_class_rule_del =
+			get_uint_range(ctx->argp[1], 0, INT_MAX);
+
+		err = rxclass_rule_del(ctx, rx_class_rule_del);
+
+		if (err < 0) {
+			fprintf(stderr, "Cannot delete"
+				" classification rule\n");
+			return 1;
+		}
+	} else {
+		exit_bad_args();
+	}
+
+	return 0;
+}
+
+static int do_grxclass(struct cmd_context *ctx)
+{
+	struct ethtool_rxnfc nfccmd;
+	int err;
+
+	if (ctx->argc > 0 && !strcmp(ctx->argp[0], "rx-flow-hash")) {
+		int rx_fhash_get;
+		bool flow_rss = false;
+
+		if (ctx->argc == 4) {
+			if (strcmp(ctx->argp[2], "context"))
+				exit_bad_args();
+			flow_rss = true;
+			nfccmd.rss_context = get_u32(ctx->argp[3], 0);
+		} else if (ctx->argc != 2) {
+			exit_bad_args();
+		}
+
+		rx_fhash_get = rxflow_str_to_type(ctx->argp[1]);
+		if (!rx_fhash_get)
+			exit_bad_args();
+
+		nfccmd.cmd = ETHTOOL_GRXFH;
+		nfccmd.flow_type = rx_fhash_get;
+		if (flow_rss)
+			nfccmd.flow_type |= FLOW_RSS;
+		err = send_ioctl(ctx, &nfccmd);
+		if (err < 0) {
+			perror("Cannot get RX network flow hashing options");
+		} else {
+			if (flow_rss)
+				fprintf(stdout, "For RSS context %u:\n",
+					nfccmd.rss_context);
+			dump_rxfhash(rx_fhash_get, nfccmd.data);
+		}
+	} else if (ctx->argc == 2 && !strcmp(ctx->argp[0], "rule")) {
+		int rx_class_rule_get =
+			get_uint_range(ctx->argp[1], 0, INT_MAX);
+
+		err = rxclass_rule_get(ctx, rx_class_rule_get);
+		if (err < 0)
+			fprintf(stderr, "Cannot get RX classification rule\n");
+	} else if (ctx->argc == 0) {
+		nfccmd.cmd = ETHTOOL_GRXRINGS;
+		err = send_ioctl(ctx, &nfccmd);
+		if (err < 0)
+			perror("Cannot get RX rings");
+		else
+			fprintf(stdout, "%d RX rings available\n",
+				(int)nfccmd.data);
+
+		err = rxclass_rule_getall(ctx);
+		if (err < 0)
+			fprintf(stderr, "RX classification rule retrieval failed\n");
+
+	} else {
+		exit_bad_args();
+	}
+
+	return err ? 1 : 0;
+}
+
+static int do_grxfhindir(struct cmd_context *ctx,
+			 struct ethtool_rxnfc *ring_count)
+{
+	struct ethtool_rxfh_indir indir_head;
+	struct ethtool_rxfh_indir *indir;
+	int err;
+
+	indir_head.cmd = ETHTOOL_GRXFHINDIR;
+	indir_head.size = 0;
+	err = send_ioctl(ctx, &indir_head);
+	if (err < 0) {
+		perror("Cannot get RX flow hash indirection table size");
+		return 1;
+	}
+
+	indir = malloc(sizeof(*indir) +
+		       indir_head.size * sizeof(*indir->ring_index));
+	if (!indir) {
+		perror("Cannot allocate memory for indirection table");
+		return 1;
+	}
+
+	indir->cmd = ETHTOOL_GRXFHINDIR;
+	indir->size = indir_head.size;
+	err = send_ioctl(ctx, indir);
+	if (err < 0) {
+		perror("Cannot get RX flow hash indirection table");
+		free(indir);
+		return 1;
+	}
+
+	print_indir_table(ctx, ring_count->data, indir->size,
+			  indir->ring_index);
+
+	free(indir);
+	return 0;
+}
+
+static int do_grxfh(struct cmd_context *ctx)
+{
+	struct ethtool_gstrings *hfuncs = NULL;
+	struct ethtool_rxfh rss_head = {0};
+	struct ethtool_rxnfc ring_count;
+	struct ethtool_rxfh *rss;
+	u32 rss_context = 0;
+	u32 i, indir_bytes;
+	unsigned int arg_num = 0;
+	u8 *hkey;
+	int err;
+
+	while (arg_num < ctx->argc) {
+		if (!strcmp(ctx->argp[arg_num], "context")) {
+			++arg_num;
+			rss_context = get_int_range(ctx->argp[arg_num], 0, 1,
+						    ETH_RXFH_CONTEXT_ALLOC - 1);
+			++arg_num;
+		} else {
+			exit_bad_args();
+		}
+	}
+
+	ring_count.cmd = ETHTOOL_GRXRINGS;
+	err = send_ioctl(ctx, &ring_count);
+	if (err < 0) {
+		perror("Cannot get RX ring count");
+		return 1;
+	}
+
+	rss_head.cmd = ETHTOOL_GRSSH;
+	rss_head.rss_context = rss_context;
+	err = send_ioctl(ctx, &rss_head);
+	if (err < 0 && errno == EOPNOTSUPP && !rss_context) {
+		return do_grxfhindir(ctx, &ring_count);
+	} else if (err < 0) {
+		perror("Cannot get RX flow hash indir size and/or key size");
+		return 1;
+	}
+
+	rss = calloc(1, sizeof(*rss) +
+			rss_head.indir_size * sizeof(rss_head.rss_config[0]) +
+			rss_head.key_size);
+	if (!rss) {
+		perror("Cannot allocate memory for RX flow hash config");
+		return 1;
+	}
+
+	rss->cmd = ETHTOOL_GRSSH;
+	rss->rss_context = rss_context;
+	rss->indir_size = rss_head.indir_size;
+	rss->key_size = rss_head.key_size;
+	err = send_ioctl(ctx, rss);
+	if (err < 0) {
+		perror("Cannot get RX flow hash configuration");
+		free(rss);
+		return 1;
+	}
+
+	print_indir_table(ctx, ring_count.data, rss->indir_size,
+			  rss->rss_config);
+
+	indir_bytes = rss->indir_size * sizeof(rss->rss_config[0]);
+	hkey = ((u8 *)rss->rss_config + indir_bytes);
+
+	print_rss_hkey(hkey, rss->key_size);
+
+	printf("RSS hash function:\n");
+	if (!rss->hfunc) {
+		printf("    Operation not supported\n");
+		goto out;
+	}
+
+	hfuncs = get_stringset(ctx, ETH_SS_RSS_HASH_FUNCS, 0, 1);
+	if (!hfuncs) {
+		perror("Cannot get hash functions names");
+		free(rss);
+		return 1;
+	}
+
+	for (i = 0; i < hfuncs->len; i++)
+		printf("    %s: %s\n",
+		       (const char *)hfuncs->data + i * ETH_GSTRING_LEN,
+		       (rss->hfunc & (1 << i)) ? "on" : "off");
+
+out:
+	free(hfuncs);
+	free(rss);
+	return 0;
+}
+
+static int fill_indir_table(u32 *indir_size, u32 *indir, int rxfhindir_default,
+			    int rxfhindir_start, int rxfhindir_equal,
+			    char **rxfhindir_weight, u32 num_weights)
+{
+	u32 i;
+
+	if (rxfhindir_equal) {
+		for (i = 0; i < *indir_size; i++)
+			indir[i] = rxfhindir_start + (i % rxfhindir_equal);
+	} else if (rxfhindir_weight) {
+		u32 j, weight, sum = 0, partial = 0;
+
+		for (j = 0; j < num_weights; j++) {
+			weight = get_u32(rxfhindir_weight[j], 0);
+			sum += weight;
+		}
+
+		if (sum == 0) {
+			fprintf(stderr,
+				"At least one weight must be non-zero\n");
+			return 2;
+		}
+
+		if (sum > *indir_size) {
+			fprintf(stderr,
+				"Total weight exceeds the size of the "
+				"indirection table\n");
+			return 2;
+		}
+
+		j = -1;
+		for (i = 0; i < *indir_size; i++) {
+			while (i >= (*indir_size) * partial / sum) {
+				j += 1;
+				weight = get_u32(rxfhindir_weight[j], 0);
+				partial += weight;
+			}
+			indir[i] = rxfhindir_start + j;
+		}
+	} else if (rxfhindir_default) {
+		/* "*indir_size == 0" ==> reset indir to default */
+		*indir_size = 0;
+	} else {
+		*indir_size = ETH_RXFH_INDIR_NO_CHANGE;
+	}
+
+	return 0;
+}
+
+static int do_srxfhindir(struct cmd_context *ctx, int rxfhindir_default,
+			 int rxfhindir_start, int rxfhindir_equal,
+			 char **rxfhindir_weight, u32 num_weights)
+{
+	struct ethtool_rxfh_indir indir_head;
+	struct ethtool_rxfh_indir *indir;
+	int err;
+
+	indir_head.cmd = ETHTOOL_GRXFHINDIR;
+	indir_head.size = 0;
+	err = send_ioctl(ctx, &indir_head);
+	if (err < 0) {
+		perror("Cannot get RX flow hash indirection table size");
+		return 1;
+	}
+
+	indir = malloc(sizeof(*indir) +
+		       indir_head.size * sizeof(*indir->ring_index));
+
+	if (!indir) {
+		perror("Cannot allocate memory for indirection table");
+		return 1;
+	}
+
+	indir->cmd = ETHTOOL_SRXFHINDIR;
+	indir->size = indir_head.size;
+
+	if (fill_indir_table(&indir->size, indir->ring_index,
+			     rxfhindir_default, rxfhindir_start,
+			     rxfhindir_equal, rxfhindir_weight, num_weights)) {
+		free(indir);
+		return 1;
+	}
+
+	err = send_ioctl(ctx, indir);
+	if (err < 0) {
+		perror("Cannot set RX flow hash indirection table");
+		free(indir);
+		return 1;
+	}
+
+	free(indir);
+	return 0;
+}
+
+static int do_srxfh(struct cmd_context *ctx)
+{
+	struct ethtool_rxfh rss_head = {0};
+	struct ethtool_rxfh *rss = NULL;
+	struct ethtool_rxnfc ring_count;
+	int rxfhindir_equal = 0, rxfhindir_default = 0, rxfhindir_start = 0;
+	struct ethtool_gstrings *hfuncs = NULL;
+	char **rxfhindir_weight = NULL;
+	char *rxfhindir_key = NULL;
+	char *req_hfunc_name = NULL;
+	char *hfunc_name = NULL;
+	char *hkey = NULL;
+	int err = 0;
+	unsigned int i;
+	u32 arg_num = 0, indir_bytes = 0;
+	u32 req_hfunc = 0;
+	u32 entry_size = sizeof(rss_head.rss_config[0]);
+	u32 num_weights = 0;
+	u32 rss_context = 0;
+	int delete = 0;
+
+	if (ctx->argc < 1)
+		exit_bad_args();
+
+	while (arg_num < ctx->argc) {
+		if (!strcmp(ctx->argp[arg_num], "equal")) {
+			++arg_num;
+			rxfhindir_equal = get_int_range(ctx->argp[arg_num],
+							0, 1, INT_MAX);
+			++arg_num;
+		} else if (!strcmp(ctx->argp[arg_num], "start")) {
+			++arg_num;
+			rxfhindir_start = get_int_range(ctx->argp[arg_num],
+							0, 0, INT_MAX);
+			++arg_num;
+		} else if (!strcmp(ctx->argp[arg_num], "weight")) {
+			++arg_num;
+			rxfhindir_weight = ctx->argp + arg_num;
+			while (arg_num < ctx->argc &&
+			       isdigit((unsigned char)ctx->argp[arg_num][0])) {
+				++arg_num;
+				++num_weights;
+			}
+			if (!num_weights)
+				exit_bad_args();
+		} else if (!strcmp(ctx->argp[arg_num], "hkey")) {
+			++arg_num;
+			rxfhindir_key = ctx->argp[arg_num];
+			if (!rxfhindir_key)
+				exit_bad_args();
+			++arg_num;
+		} else if (!strcmp(ctx->argp[arg_num], "default")) {
+			++arg_num;
+			rxfhindir_default = 1;
+		} else if (!strcmp(ctx->argp[arg_num], "hfunc")) {
+			++arg_num;
+			req_hfunc_name = ctx->argp[arg_num];
+			if (!req_hfunc_name)
+				exit_bad_args();
+			++arg_num;
+		} else if (!strcmp(ctx->argp[arg_num], "context")) {
+			++arg_num;
+			if(!strcmp(ctx->argp[arg_num], "new"))
+				rss_context = ETH_RXFH_CONTEXT_ALLOC;
+			else
+				rss_context = get_int_range(
+						ctx->argp[arg_num], 0, 1,
+						ETH_RXFH_CONTEXT_ALLOC - 1);
+			++arg_num;
+		} else if (!strcmp(ctx->argp[arg_num], "delete")) {
+			++arg_num;
+			delete = 1;
+		} else {
+			exit_bad_args();
+		}
+	}
+
+	if (rxfhindir_equal && rxfhindir_weight) {
+		fprintf(stderr,
+			"Equal and weight options are mutually exclusive\n");
+		return 1;
+	}
+
+	if (rxfhindir_equal && rxfhindir_default) {
+		fprintf(stderr,
+			"Equal and default options are mutually exclusive\n");
+		return 1;
+	}
+
+	if (rxfhindir_weight && rxfhindir_default) {
+		fprintf(stderr,
+			"Weight and default options are mutually exclusive\n");
+		return 1;
+	}
+
+	if (rxfhindir_start && rxfhindir_default) {
+		fprintf(stderr,
+			"Start and default options are mutually exclusive\n");
+		return 1;
+	}
+
+	if (rxfhindir_start && !(rxfhindir_equal || rxfhindir_weight)) {
+		fprintf(stderr,
+			"Start must be used with equal or weight options\n");
+		return 1;
+	}
+
+	if (rxfhindir_default && rss_context) {
+		fprintf(stderr,
+			"Default and context options are mutually exclusive\n");
+		return 1;
+	}
+
+	if (delete && !rss_context) {
+		fprintf(stderr, "Delete option requires context option\n");
+		return 1;
+	}
+
+	if (delete && rxfhindir_weight) {
+		fprintf(stderr,
+			"Delete and weight options are mutually exclusive\n");
+		return 1;
+	}
+
+	if (delete && rxfhindir_equal) {
+		fprintf(stderr,
+			"Delete and equal options are mutually exclusive\n");
+		return 1;
+	}
+
+	if (delete && rxfhindir_default) {
+		fprintf(stderr,
+			"Delete and default options are mutually exclusive\n");
+		return 1;
+	}
+
+	if (delete && rxfhindir_key) {
+		fprintf(stderr,
+			"Delete and hkey options are mutually exclusive\n");
+		return 1;
+	}
+
+	ring_count.cmd = ETHTOOL_GRXRINGS;
+	err = send_ioctl(ctx, &ring_count);
+	if (err < 0) {
+		perror("Cannot get RX ring count");
+		return 1;
+	}
+
+	rss_head.cmd = ETHTOOL_GRSSH;
+	err = send_ioctl(ctx, &rss_head);
+	if (err < 0 && errno == EOPNOTSUPP && !rxfhindir_key &&
+	    !req_hfunc_name && !rss_context) {
+		return do_srxfhindir(ctx, rxfhindir_default, rxfhindir_start,
+				     rxfhindir_equal, rxfhindir_weight,
+				     num_weights);
+	} else if (err < 0) {
+		perror("Cannot get RX flow hash indir size and key size");
+		return 1;
+	}
+
+	if (rxfhindir_key) {
+		err = parse_hkey(&hkey, rss_head.key_size,
+				 rxfhindir_key);
+		if (err)
+			return err;
+	}
+
+	if (rxfhindir_equal || rxfhindir_weight)
+		indir_bytes = rss_head.indir_size * entry_size;
+
+	if (rss_head.hfunc && req_hfunc_name) {
+		hfuncs = get_stringset(ctx, ETH_SS_RSS_HASH_FUNCS, 0, 1);
+		if (!hfuncs) {
+			perror("Cannot get hash functions names");
+			err = 1;
+			goto free;
+		}
+
+		for (i = 0; i < hfuncs->len && !req_hfunc ; i++) {
+			hfunc_name = (char *)(hfuncs->data +
+					      i * ETH_GSTRING_LEN);
+			if (!strncmp(hfunc_name, req_hfunc_name,
+				     ETH_GSTRING_LEN))
+				req_hfunc = (u32)1 << i;
+		}
+
+		if (!req_hfunc) {
+			fprintf(stderr,
+				"Unknown hash function: %s\n", req_hfunc_name);
+			err = 1;
+			goto free;
+		}
+	}
+
+	rss = calloc(1, sizeof(*rss) + indir_bytes + rss_head.key_size);
+	if (!rss) {
+		perror("Cannot allocate memory for RX flow hash config");
+		err = 1;
+		goto free;
+	}
+	rss->cmd = ETHTOOL_SRSSH;
+	rss->rss_context = rss_context;
+	rss->hfunc = req_hfunc;
+	if (delete) {
+		rss->indir_size = rss->key_size = 0;
+	} else {
+		rss->indir_size = rss_head.indir_size;
+		rss->key_size = rss_head.key_size;
+		if (fill_indir_table(&rss->indir_size, rss->rss_config,
+				     rxfhindir_default, rxfhindir_start,
+				     rxfhindir_equal, rxfhindir_weight,
+				     num_weights)) {
+			err = 1;
+			goto free;
+		}
+	}
+
+	if (hkey)
+		memcpy((char *)rss->rss_config + indir_bytes,
+		       hkey, rss->key_size);
+	else
+		rss->key_size = 0;
+
+	err = send_ioctl(ctx, rss);
+	if (err < 0) {
+		perror("Cannot set RX flow hash configuration");
+		err = 1;
+	} else if (rss_context == ETH_RXFH_CONTEXT_ALLOC) {
+		printf("New RSS context is %d\n", rss->rss_context);
+	}
+
+free:
+	free(hkey);
+	free(rss);
+	free(hfuncs);
+	return err;
+}
+
+static int do_flash(struct cmd_context *ctx)
+{
+	char *flash_file;
+	int flash_region;
+	struct ethtool_flash efl;
+	int err;
+
+	if (ctx->argc < 1 || ctx->argc > 2)
+		exit_bad_args();
+	flash_file = ctx->argp[0];
+	if (ctx->argc == 2) {
+		flash_region = strtol(ctx->argp[1], NULL, 0);
+		if (flash_region < 0)
+			exit_bad_args();
+	} else {
+		flash_region = -1;
+	}
+
+	if (strlen(flash_file) > ETHTOOL_FLASH_MAX_FILENAME - 1) {
+		fprintf(stdout, "Filename too long\n");
+		return 99;
+	}
+
+	efl.cmd = ETHTOOL_FLASHDEV;
+	strcpy(efl.data, flash_file);
+
+	if (flash_region < 0)
+		efl.region = ETHTOOL_FLASH_ALL_REGIONS;
+	else
+		efl.region = flash_region;
+
+	err = send_ioctl(ctx, &efl);
+	if (err < 0)
+		perror("Flashing failed");
+
+	return err;
+}
+
+static int do_permaddr(struct cmd_context *ctx)
+{
+	unsigned int i;
+	int err;
+	struct ethtool_perm_addr *epaddr;
+
+	epaddr = malloc(sizeof(struct ethtool_perm_addr) + MAX_ADDR_LEN);
+	if (!epaddr) {
+		perror("Cannot allocate memory for operation");
+		return 1;
+	}
+
+	epaddr->cmd = ETHTOOL_GPERMADDR;
+	epaddr->size = MAX_ADDR_LEN;
+
+	err = send_ioctl(ctx, epaddr);
+	if (err < 0)
+		perror("Cannot read permanent address");
+	else {
+		printf("Permanent address:");
+		for (i = 0; i < epaddr->size; i++)
+			printf("%c%02x", (i == 0) ? ' ' : ':',
+			       epaddr->data[i]);
+		printf("\n");
+	}
+	free(epaddr);
+
+	return err;
+}
+
+static bool flow_type_is_ntuple_supported(__u32 flow_type)
+{
+	switch (flow_type) {
+	case TCP_V4_FLOW:
+	case UDP_V4_FLOW:
+	case SCTP_V4_FLOW:
+	case AH_V4_FLOW:
+	case ESP_V4_FLOW:
+	case IPV4_USER_FLOW:
+	case ETHER_FLOW:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static int flow_spec_to_ntuple(struct ethtool_rx_flow_spec *fsp,
+			       struct ethtool_rx_ntuple_flow_spec *ntuple)
+{
+	size_t i;
+
+	/* verify location is not specified */
+	if (fsp->location != RX_CLS_LOC_ANY)
+		return -1;
+
+	/* destination MAC address in L3/L4 rules is not supported by ntuple */
+	if (fsp->flow_type & FLOW_MAC_EXT)
+		return -1;
+
+	/* verify ring cookie can transfer to action */
+	if (fsp->ring_cookie > INT_MAX && fsp->ring_cookie < (u64)(-2))
+		return -1;
+
+	/* verify only one field is setting data field */
+	if ((fsp->flow_type & FLOW_EXT) &&
+	    (fsp->m_ext.data[0] || fsp->m_ext.data[1]) &&
+	    fsp->m_ext.vlan_etype)
+		return -1;
+
+	/* IPv6 flow types are not supported by ntuple */
+	if (!flow_type_is_ntuple_supported(fsp->flow_type & ~FLOW_EXT))
+		return -1;
+
+	/* Set entire ntuple to ~0 to guarantee all masks are set */
+	memset(ntuple, ~0, sizeof(*ntuple));
+
+	/* set non-filter values */
+	ntuple->flow_type = fsp->flow_type;
+	ntuple->action = fsp->ring_cookie;
+
+	/*
+	 * Copy over header union, they are identical in layout however
+	 * the ntuple union contains additional padding on the end
+	 */
+	memcpy(&ntuple->h_u, &fsp->h_u, sizeof(fsp->h_u));
+
+	/*
+	 * The same rule mentioned above applies to the mask union.  However,
+	 * in addition we need to invert the mask bits to match the ntuple
+	 * mask which is 1 for masked, versus 0 for masked as seen in nfc.
+	 */
+	memcpy(&ntuple->m_u, &fsp->m_u, sizeof(fsp->m_u));
+	for (i = 0; i < sizeof(fsp->m_u); i++)
+		ntuple->m_u.hdata[i] ^= 0xFF;
+
+	/* copy extended fields */
+	if (fsp->flow_type & FLOW_EXT) {
+		ntuple->vlan_tag =
+			ntohs(fsp->h_ext.vlan_tci);
+		ntuple->vlan_tag_mask =
+			~ntohs(fsp->m_ext.vlan_tci);
+		if (fsp->m_ext.vlan_etype) {
+			/*
+			 * vlan_etype and user data are mutually exclusive
+			 * in ntuple configuration as they occupy the same
+			 * space.
+			 */
+			if (fsp->m_ext.data[0] || fsp->m_ext.data[1])
+				return -1;
+			ntuple->data =
+				ntohl(fsp->h_ext.vlan_etype);
+			ntuple->data_mask =
+				~(u64)ntohl(fsp->m_ext.vlan_etype);
+		} else {
+			ntuple->data =
+				(u64)ntohl(fsp->h_ext.data[0]) << 32;
+			ntuple->data |=
+				(u64)ntohl(fsp->h_ext.data[1]);
+			ntuple->data_mask =
+				(u64)ntohl(~fsp->m_ext.data[0]) << 32;
+			ntuple->data_mask |=
+				(u64)ntohl(~fsp->m_ext.data[1]);
+		}
+	}
+
+	/* Mask out the extended bit, because ntuple does not know it! */
+	ntuple->flow_type &= ~FLOW_EXT;
+
+	return 0;
+}
+
+static int do_srxntuple(struct cmd_context *ctx,
+			struct ethtool_rx_flow_spec *rx_rule_fs)
+{
+	struct ethtool_rx_ntuple ntuplecmd;
+	struct ethtool_value eval;
+	int err;
+
+	/* attempt to convert the flow classifier to an ntuple classifier */
+	err = flow_spec_to_ntuple(rx_rule_fs, &ntuplecmd.fs);
+	if (err)
+		return -1;
+
+	/*
+	 * Check to see if the flag is set for N-tuple, this allows
+	 * us to avoid the possible EINVAL response for the N-tuple
+	 * flag not being set on the device
+	 */
+	eval.cmd = ETHTOOL_GFLAGS;
+	err = send_ioctl(ctx, &eval);
+	if (err || !(eval.data & ETH_FLAG_NTUPLE))
+		return -1;
+
+	/* send rule via N-tuple */
+	ntuplecmd.cmd = ETHTOOL_SRXNTUPLE;
+	err = send_ioctl(ctx, &ntuplecmd);
+
+	/*
+	 * Display error only if response is something other than op not
+	 * supported.  It is possible that the interface uses the network
+	 * flow classifier interface instead of N-tuple.
+	 */
+	if (err < 0) {
+		if (errno != EOPNOTSUPP)
+			perror("Cannot add new rule via N-tuple");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int do_writefwdump(struct ethtool_dump *dump, const char *dump_file)
+{
+	int err = 0;
+	FILE *f;
+	size_t bytes;
+
+	f = fopen(dump_file, "wb+");
+
+	if (!f) {
+		fprintf(stderr, "Can't open file %s: %s\n",
+			dump_file, strerror(errno));
+		return 1;
+	}
+	bytes = fwrite(dump->data, 1, dump->len, f);
+	if (bytes != dump->len) {
+		fprintf(stderr, "Can not write all of dump data\n");
+		err = 1;
+	}
+	if (fclose(f)) {
+		fprintf(stderr, "Can't close file %s: %s\n",
+			dump_file, strerror(errno));
+		err = 1;
+	}
+	return err;
+}
+
+static int do_getfwdump(struct cmd_context *ctx)
+{
+	u32 dump_flag;
+	char *dump_file;
+	int err;
+	struct ethtool_dump edata;
+	struct ethtool_dump *data;
+
+	if (ctx->argc == 2 && !strcmp(ctx->argp[0], "data")) {
+		dump_flag = ETHTOOL_GET_DUMP_DATA;
+		dump_file = ctx->argp[1];
+	} else if (ctx->argc == 0) {
+		dump_flag = 0;
+		dump_file = NULL;
+	} else {
+		exit_bad_args();
+	}
+
+	edata.cmd = ETHTOOL_GET_DUMP_FLAG;
+
+	err = send_ioctl(ctx, &edata);
+	if (err < 0) {
+		perror("Can not get dump level");
+		return 1;
+	}
+	if (dump_flag != ETHTOOL_GET_DUMP_DATA) {
+		fprintf(stdout, "flag: %u, version: %u, length: %u\n",
+			edata.flag, edata.version, edata.len);
+		return 0;
+	}
+	data = calloc(1, offsetof(struct ethtool_dump, data) + edata.len);
+	if (!data) {
+		perror("Can not allocate enough memory");
+		return 1;
+	}
+	data->cmd = ETHTOOL_GET_DUMP_DATA;
+	data->len = edata.len;
+	err = send_ioctl(ctx, data);
+	if (err < 0) {
+		perror("Can not get dump data");
+		err = 1;
+		goto free;
+	}
+	err = do_writefwdump(data, dump_file);
+free:
+	free(data);
+	return err;
+}
+
+static int do_setfwdump(struct cmd_context *ctx)
+{
+	u32 dump_flag;
+	int err;
+	struct ethtool_dump dump;
+
+	if (ctx->argc != 1)
+		exit_bad_args();
+	dump_flag = get_u32(ctx->argp[0], 0);
+
+	dump.cmd = ETHTOOL_SET_DUMP;
+	dump.flag = dump_flag;
+	err = send_ioctl(ctx, &dump);
+	if (err < 0) {
+		perror("Can not set dump level");
+		return 1;
+	}
+	return 0;
+}
+
+static int do_gprivflags(struct cmd_context *ctx)
+{
+	struct ethtool_gstrings *strings;
+	struct ethtool_value flags;
+	unsigned int i;
+	int max_len = 0, cur_len, rc;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	strings = get_stringset(ctx, ETH_SS_PRIV_FLAGS,
+				offsetof(struct ethtool_drvinfo, n_priv_flags),
+				1);
+	if (!strings) {
+		perror("Cannot get private flag names");
+		return 1;
+	}
+	if (strings->len == 0) {
+		fprintf(stderr, "No private flags defined\n");
+		rc = 1;
+		goto err;
+	}
+	if (strings->len > 32) {
+		/* ETHTOOL_GPFLAGS can only cover 32 flags */
+		fprintf(stderr, "Only showing first 32 private flags\n");
+		strings->len = 32;
+	}
+
+	flags.cmd = ETHTOOL_GPFLAGS;
+	if (send_ioctl(ctx, &flags)) {
+		perror("Cannot get private flags");
+		rc = 1;
+		goto err;
+	}
+
+	/* Find longest string and align all strings accordingly */
+	for (i = 0; i < strings->len; i++) {
+		cur_len = strlen((const char *)strings->data +
+				 i * ETH_GSTRING_LEN);
+		if (cur_len > max_len)
+			max_len = cur_len;
+	}
+
+	printf("Private flags for %s:\n", ctx->devname);
+	for (i = 0; i < strings->len; i++)
+		printf("%-*s: %s\n",
+		       max_len,
+		       (const char *)strings->data + i * ETH_GSTRING_LEN,
+		       (flags.data & (1U << i)) ? "on" : "off");
+
+	rc = 0;
+
+err:
+	free(strings);
+	return rc;
+}
+
+static int do_sprivflags(struct cmd_context *ctx)
+{
+	struct ethtool_gstrings *strings;
+	struct cmdline_info *cmdline;
+	struct ethtool_value flags;
+	u32 wanted_flags = 0, seen_flags = 0;
+	int any_changed, rc;
+	unsigned int i;
+
+	strings = get_stringset(ctx, ETH_SS_PRIV_FLAGS,
+				offsetof(struct ethtool_drvinfo, n_priv_flags),
+				1);
+	if (!strings) {
+		perror("Cannot get private flag names");
+		return 1;
+	}
+	if (strings->len == 0) {
+		fprintf(stderr, "No private flags defined\n");
+		rc = 1;
+		goto err;
+	}
+	if (strings->len > 32) {
+		/* ETHTOOL_{G,S}PFLAGS can only cover 32 flags */
+		fprintf(stderr, "Only setting first 32 private flags\n");
+		strings->len = 32;
+	}
+
+	cmdline = calloc(strings->len, sizeof(*cmdline));
+	if (!cmdline) {
+		perror("Cannot parse arguments");
+		rc = 1;
+		goto err;
+	}
+	for (i = 0; i < strings->len; i++) {
+		cmdline[i].name = ((const char *)strings->data +
+				   i * ETH_GSTRING_LEN);
+		cmdline[i].type = CMDL_FLAG;
+		cmdline[i].wanted_val = &wanted_flags;
+		cmdline[i].flag_val = 1U << i;
+		cmdline[i].seen_val = &seen_flags;
+	}
+	parse_generic_cmdline(ctx, &any_changed, cmdline, strings->len);
+	free(cmdline);
+
+	flags.cmd = ETHTOOL_GPFLAGS;
+	if (send_ioctl(ctx, &flags)) {
+		perror("Cannot get private flags");
+		rc = 1;
+		goto err;
+	}
+
+	flags.cmd = ETHTOOL_SPFLAGS;
+	flags.data = (flags.data & ~seen_flags) | wanted_flags;
+	if (send_ioctl(ctx, &flags)) {
+		perror("Cannot set private flags");
+		rc = 1;
+		goto err;
+	}
+
+	rc = 0;
+err:
+	free(strings);
+	return rc;
+}
+
+static int do_tsinfo(struct cmd_context *ctx)
+{
+	struct ethtool_ts_info info;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	fprintf(stdout, "Time stamping parameters for %s:\n", ctx->devname);
+	info.cmd = ETHTOOL_GET_TS_INFO;
+	if (send_ioctl(ctx, &info)) {
+		perror("Cannot get device time stamping settings");
+		return -1;
+	}
+	dump_tsinfo(&info);
+	return 0;
+}
+
+static int do_getmodule(struct cmd_context *ctx)
+{
+	struct ethtool_modinfo modinfo;
+	struct ethtool_eeprom *eeprom;
+	u32 geeprom_offset = 0;
+	u32 geeprom_length = 0;
+	int geeprom_changed = 0;
+	int geeprom_dump_raw = 0;
+	int geeprom_dump_hex = 0;
+	int geeprom_length_seen = 0;
+	int err;
+
+	struct cmdline_info cmdline_geeprom[] = {
+		{
+			.name		= "offset",
+			.type		= CMDL_U32,
+			.wanted_val	= &geeprom_offset,
+		},
+		{
+			.name		= "length",
+			.type		= CMDL_U32,
+			.wanted_val	= &geeprom_length,
+			.seen_val	= &geeprom_length_seen,
+		},
+		{
+			.name		= "raw",
+			.type		= CMDL_BOOL,
+			.wanted_val	= &geeprom_dump_raw,
+		},
+		{
+			.name		= "hex",
+			.type		= CMDL_BOOL,
+			.wanted_val	= &geeprom_dump_hex,
+		},
+	};
+
+	parse_generic_cmdline(ctx, &geeprom_changed,
+			      cmdline_geeprom, ARRAY_SIZE(cmdline_geeprom));
+
+	if (geeprom_dump_raw && geeprom_dump_hex) {
+		printf("Hex and raw dump cannot be specified together\n");
+		return 1;
+	}
+
+	modinfo.cmd = ETHTOOL_GMODULEINFO;
+	err = send_ioctl(ctx, &modinfo);
+	if (err < 0) {
+		perror("Cannot get module EEPROM information");
+		return 1;
+	}
+
+	if (!geeprom_length_seen)
+		geeprom_length = modinfo.eeprom_len;
+
+	if (modinfo.eeprom_len < geeprom_offset + geeprom_length)
+		geeprom_length = modinfo.eeprom_len - geeprom_offset;
+
+	eeprom = calloc(1, sizeof(*eeprom)+geeprom_length);
+	if (!eeprom) {
+		perror("Cannot allocate memory for Module EEPROM data");
+		return 1;
+	}
+
+	eeprom->cmd = ETHTOOL_GMODULEEEPROM;
+	eeprom->len = geeprom_length;
+	eeprom->offset = geeprom_offset;
+	err = send_ioctl(ctx, eeprom);
+	if (err < 0) {
+		int saved_errno = errno;
+
+		perror("Cannot get Module EEPROM data");
+		if (saved_errno == ENODEV || saved_errno == EIO ||
+		    saved_errno == ENXIO)
+			fprintf(stderr, "SFP module not in cage?\n");
+		free(eeprom);
+		return 1;
+	}
+
+	/*
+	 * SFF-8079 EEPROM layout contains the memory available at A0 address on
+	 * the PHY EEPROM.
+	 * SFF-8472 defines a virtual extension of the EEPROM, where the
+	 * microcontroller on the SFP/SFP+ generates a page at the A2 address,
+	 * which contains data relative to optical diagnostics.
+	 * The current kernel implementation returns a blob, which contains:
+	 *  - ETH_MODULE_SFF_8079 => The A0 page only.
+	 *  - ETH_MODULE_SFF_8472 => The A0 and A2 page concatenated.
+	 */
+	if (geeprom_dump_raw) {
+		fwrite(eeprom->data, 1, eeprom->len, stdout);
+	} else {
+		if (eeprom->offset != 0  ||
+		    (eeprom->len != modinfo.eeprom_len)) {
+			geeprom_dump_hex = 1;
+		} else if (!geeprom_dump_hex) {
+			switch (modinfo.type) {
+#ifdef ETHTOOL_ENABLE_PRETTY_DUMP
+			case ETH_MODULE_SFF_8079:
+				sff8079_show_all_ioctl(eeprom->data);
+				break;
+			case ETH_MODULE_SFF_8472:
+				sff8079_show_all_ioctl(eeprom->data);
+				sff8472_show_all(eeprom->data);
+				break;
+			case ETH_MODULE_SFF_8436:
+			case ETH_MODULE_SFF_8636:
+				sff8636_show_all_ioctl(eeprom->data,
+						       modinfo.eeprom_len);
+				break;
+#endif
+			default:
+				geeprom_dump_hex = 1;
+				break;
+			}
+		}
+		if (geeprom_dump_hex)
+			dump_hex(stdout, eeprom->data,
+				 eeprom->len, eeprom->offset);
+	}
+
+	free(eeprom);
+
+	return 0;
+}
+
+static int do_geee(struct cmd_context *ctx)
+{
+	struct ethtool_eee eeecmd;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	eeecmd.cmd = ETHTOOL_GEEE;
+	if (send_ioctl(ctx, &eeecmd)) {
+		perror("Cannot get EEE settings");
+		return 1;
+	}
+
+	fprintf(stdout, "EEE Settings for %s:\n", ctx->devname);
+	dump_eeecmd(&eeecmd);
+
+	return 0;
+}
+
+static int do_seee(struct cmd_context *ctx)
+{
+	int adv_c = -1, lpi_c = -1, lpi_time_c = -1, eee_c = -1;
+	int change = -1, change2 = 0;
+	struct ethtool_eee eeecmd;
+	struct cmdline_info cmdline_eee[] = {
+		{
+			.name		= "advertise",
+			.type		= CMDL_U32,
+			.wanted_val	= &adv_c,
+			.ioctl_val	= &eeecmd.advertised,
+		},
+		{
+			.name		= "tx-lpi",
+			.type		= CMDL_BOOL,
+			.wanted_val	= &lpi_c,
+			.ioctl_val	= &eeecmd.tx_lpi_enabled,
+		},
+		{
+			.name		= "tx-timer",
+			.type		= CMDL_U32,
+			.wanted_val	= &lpi_time_c,
+			.ioctl_val	= &eeecmd.tx_lpi_timer,
+		},
+		{
+			.name		= "eee",
+			.type		= CMDL_BOOL,
+			.wanted_val	= &eee_c,
+			.ioctl_val	= &eeecmd.eee_enabled,
+		},
+	};
+
+	if (ctx->argc == 0)
+		exit_bad_args();
+
+	parse_generic_cmdline(ctx, &change, cmdline_eee,
+			      ARRAY_SIZE(cmdline_eee));
+
+	eeecmd.cmd = ETHTOOL_GEEE;
+	if (send_ioctl(ctx, &eeecmd)) {
+		perror("Cannot get EEE settings");
+		return 1;
+	}
+
+	do_generic_set(cmdline_eee, ARRAY_SIZE(cmdline_eee), &change2);
+
+	if (change2) {
+		eeecmd.cmd = ETHTOOL_SEEE;
+		if (send_ioctl(ctx, &eeecmd)) {
+			perror("Cannot set EEE settings");
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+/* copy of net/ethtool/common.c */
+char
+tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
+	[ETHTOOL_ID_UNSPEC]		= "Unspec",
+	[ETHTOOL_RX_COPYBREAK]		= "rx-copybreak",
+	[ETHTOOL_TX_COPYBREAK]		= "tx-copybreak",
+	[ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-buf-size",
+	[ETHTOOL_PFC_PREVENTION_TOUT]	= "pfc-prevention-tout",
+};
+
+union ethtool_tunable_info_val {
+	uint8_t u8;
+	uint16_t u16;
+	uint32_t u32;
+	uint64_t u64;
+	int8_t s8;
+	int16_t s16;
+	int32_t s32;
+	int64_t s64;
+};
+
+struct ethtool_tunable_info {
+	enum tunable_id t_id;
+	enum tunable_type_id t_type_id;
+	size_t size;
+	cmdline_type_t type;
+	union ethtool_tunable_info_val wanted;
+	int seen;
+};
+
+static struct ethtool_tunable_info tunables_info[] = {
+	{ .t_id		= ETHTOOL_RX_COPYBREAK,
+	  .t_type_id	= ETHTOOL_TUNABLE_U32,
+	  .size		= sizeof(u32),
+	  .type		= CMDL_U32,
+	},
+	{ .t_id		= ETHTOOL_TX_COPYBREAK,
+	  .t_type_id	= ETHTOOL_TUNABLE_U32,
+	  .size		= sizeof(u32),
+	  .type		= CMDL_U32,
+	},
+	{ .t_id		= ETHTOOL_PFC_PREVENTION_TOUT,
+	  .t_type_id	= ETHTOOL_TUNABLE_U16,
+	  .size		= sizeof(u16),
+	  .type		= CMDL_U16,
+	},
+	{ .t_id         = ETHTOOL_TX_COPYBREAK_BUF_SIZE,
+	  .t_type_id    = ETHTOOL_TUNABLE_U32,
+	  .size         = sizeof(u32),
+	  .type         = CMDL_U32,
+	},
+};
+#define TUNABLES_INFO_SIZE	ARRAY_SIZE(tunables_info)
+
+static int do_stunable(struct cmd_context *ctx)
+{
+	struct cmdline_info cmdline_tunable[TUNABLES_INFO_SIZE];
+	struct ethtool_tunable_info *tinfo = tunables_info;
+	int changed = 0;
+	unsigned int i;
+
+	for (i = 0; i < TUNABLES_INFO_SIZE; i++) {
+		cmdline_tunable[i].name = tunable_strings[tinfo[i].t_id];
+		cmdline_tunable[i].type = tinfo[i].type;
+		cmdline_tunable[i].wanted_val = &tinfo[i].wanted;
+		cmdline_tunable[i].seen_val = &tinfo[i].seen;
+	}
+
+	parse_generic_cmdline(ctx, &changed, cmdline_tunable, TUNABLES_INFO_SIZE);
+	if (!changed)
+		exit_bad_args();
+
+	for (i = 0; i < TUNABLES_INFO_SIZE; i++) {
+		struct ethtool_tunable *tuna;
+		size_t size;
+		int ret;
+
+		if (!tinfo[i].seen)
+			continue;
+
+		size = sizeof(*tuna) + tinfo[i].size;
+		tuna = calloc(1, size);
+		if (!tuna) {
+			perror(tunable_strings[tinfo[i].t_id]);
+			return 1;
+		}
+		tuna->cmd = ETHTOOL_STUNABLE;
+		tuna->id = tinfo[i].t_id;
+		tuna->type_id = tinfo[i].t_type_id;
+		tuna->len = tinfo[i].size;
+		memcpy(tuna->data, &tinfo[i].wanted, tuna->len);
+		ret = send_ioctl(ctx, tuna);
+		if (ret) {
+			perror(tunable_strings[tuna->id]);
+			free(tuna);
+			return ret;
+		}
+		free(tuna);
+	}
+	return 0;
+}
+
+static void print_tunable(struct ethtool_tunable *tuna)
+{
+	char *name = tunable_strings[tuna->id];
+	union ethtool_tunable_info_val *val;
+
+	val = (union ethtool_tunable_info_val *)tuna->data;
+	switch (tuna->type_id) {
+	case ETHTOOL_TUNABLE_U8:
+		fprintf(stdout, "%s: %" PRIu8 "\n", name, val->u8);
+		break;
+	case ETHTOOL_TUNABLE_U16:
+		fprintf(stdout, "%s: %" PRIu16 "\n", name, val->u16);
+		break;
+	case ETHTOOL_TUNABLE_U32:
+		fprintf(stdout, "%s: %" PRIu32 "\n", name, val->u32);
+		break;
+	case ETHTOOL_TUNABLE_U64:
+		fprintf(stdout, "%s: %" PRIu64 "\n", name, val->u64);
+		break;
+	case ETHTOOL_TUNABLE_S8:
+		fprintf(stdout, "%s: %" PRId8 "\n", name, val->s8);
+		break;
+	case ETHTOOL_TUNABLE_S16:
+		fprintf(stdout, "%s: %" PRId16 "\n", name, val->s16);
+		break;
+	case ETHTOOL_TUNABLE_S32:
+		fprintf(stdout, "%s: %" PRId32 "\n", name, val->s32);
+		break;
+	case ETHTOOL_TUNABLE_S64:
+		fprintf(stdout, "%s: %" PRId64 "\n", name, val->s64);
+		break;
+	default:
+		fprintf(stdout, "%s: Unknown format\n", name);
+	}
+}
+
+static int do_gtunable(struct cmd_context *ctx)
+{
+	struct ethtool_tunable_info *tinfo = tunables_info;
+	char **argp = ctx->argp;
+	unsigned int argc = ctx->argc;
+	unsigned int i, j;
+
+	if (argc < 1)
+		exit_bad_args();
+
+	for (i = 0; i < argc; i++) {
+		int valid = 0;
+
+		for (j = 0; j < TUNABLES_INFO_SIZE; j++) {
+			char *ts = tunable_strings[tinfo[j].t_id];
+			struct ethtool_tunable *tuna;
+			int ret;
+
+			if (strcmp(argp[i], ts))
+				continue;
+			valid = 1;
+
+			tuna = calloc(1, sizeof(*tuna) + tinfo[j].size);
+			if (!tuna) {
+				perror(ts);
+				return 1;
+			}
+			tuna->cmd = ETHTOOL_GTUNABLE;
+			tuna->id = tinfo[j].t_id;
+			tuna->type_id = tinfo[j].t_type_id;
+			tuna->len = tinfo[j].size;
+			ret = send_ioctl(ctx, tuna);
+			if (ret) {
+				fprintf(stderr, "%s: Cannot get tunable\n", ts);
+				free(tuna);
+				return ret;
+			}
+			print_tunable(tuna);
+			free(tuna);
+		}
+		if (!valid)
+			exit_bad_args();
+	}
+	return 0;
+}
+
+static int do_get_phy_tunable(struct cmd_context *ctx)
+{
+	unsigned int argc = ctx->argc;
+	char **argp = ctx->argp;
+
+	if (argc < 1)
+		exit_bad_args();
+
+	if (!strcmp(argp[0], "downshift")) {
+		struct {
+			struct ethtool_tunable ds;
+			u8 count;
+		} cont;
+
+		cont.ds.cmd = ETHTOOL_PHY_GTUNABLE;
+		cont.ds.id = ETHTOOL_PHY_DOWNSHIFT;
+		cont.ds.type_id = ETHTOOL_TUNABLE_U8;
+		cont.ds.len = 1;
+		if (send_ioctl(ctx, &cont.ds) < 0) {
+			perror("Cannot Get PHY downshift count");
+			return 87;
+		}
+		if (cont.count)
+			fprintf(stdout, "Downshift count: %d\n", cont.count);
+		else
+			fprintf(stdout, "Downshift disabled\n");
+	} else if (!strcmp(argp[0], "fast-link-down")) {
+		struct {
+			struct ethtool_tunable fld;
+			u8 msecs;
+		} cont;
+
+		cont.fld.cmd = ETHTOOL_PHY_GTUNABLE;
+		cont.fld.id = ETHTOOL_PHY_FAST_LINK_DOWN;
+		cont.fld.type_id = ETHTOOL_TUNABLE_U8;
+		cont.fld.len = 1;
+		if (send_ioctl(ctx, &cont.fld) < 0) {
+			perror("Cannot Get PHY Fast Link Down value");
+			return 87;
+		}
+
+		if (cont.msecs == ETHTOOL_PHY_FAST_LINK_DOWN_ON)
+			fprintf(stdout, "Fast Link Down enabled\n");
+		else if (cont.msecs == ETHTOOL_PHY_FAST_LINK_DOWN_OFF)
+			fprintf(stdout, "Fast Link Down disabled\n");
+		else
+			fprintf(stdout, "Fast Link Down enabled, %d msecs\n",
+				cont.msecs);
+	} else if (!strcmp(argp[0], "energy-detect-power-down")) {
+		struct {
+			struct ethtool_tunable ds;
+			u16 msecs;
+		} cont;
+
+		cont.ds.cmd = ETHTOOL_PHY_GTUNABLE;
+		cont.ds.id = ETHTOOL_PHY_EDPD;
+		cont.ds.type_id = ETHTOOL_TUNABLE_U16;
+		cont.ds.len = 2;
+		if (send_ioctl(ctx, &cont.ds) < 0) {
+			perror("Cannot Get PHY Energy Detect Power Down value");
+			return 87;
+		}
+
+		if (cont.msecs == ETHTOOL_PHY_EDPD_DISABLE)
+			fprintf(stdout, "Energy Detect Power Down: disabled\n");
+		else if (cont.msecs == ETHTOOL_PHY_EDPD_NO_TX)
+			fprintf(stdout,
+				"Energy Detect Power Down: enabled, TX disabled\n");
+		else
+			fprintf(stdout,
+				"Energy Detect Power Down: enabled, TX %u msecs\n",
+				cont.msecs);
+	} else {
+		exit_bad_args();
+	}
+
+	return 0;
+}
+
+static __u32 parse_reset(char *val, __u32 bitset, char *arg, __u32 *data)
+{
+	__u32 bitval = 0;
+	int i;
+
+	/* Check for component match */
+	for (i = 0; val[i] != '\0'; i++)
+		if (arg[i] != val[i])
+			return 0;
+
+	/* Check if component has -shared specified or not */
+	if (arg[i] == '\0')
+		bitval = bitset;
+	else if (!strcmp(arg+i, "-shared"))
+		bitval = bitset << ETH_RESET_SHARED_SHIFT;
+
+	if (bitval) {
+		*data |= bitval;
+		return 1;
+	}
+	return 0;
+}
+
+static int do_reset(struct cmd_context *ctx)
+{
+	struct ethtool_value resetinfo;
+	__u32 data;
+	unsigned int argc = ctx->argc;
+	char **argp = ctx->argp;
+	unsigned int i;
+
+	if (argc == 0)
+		exit_bad_args();
+
+	data = 0;
+
+	for (i = 0; i < argc; i++) {
+		if (!strcmp(argp[i], "flags")) {
+			__u32 flags;
+
+			i++;
+			if (i >= argc)
+				exit_bad_args();
+			flags = strtoul(argp[i], NULL, 0);
+			if (flags == 0)
+				exit_bad_args();
+			else
+				data |= flags;
+		} else if (parse_reset("mgmt", ETH_RESET_MGMT,
+				      argp[i], &data)) {
+		} else if (parse_reset("irq",  ETH_RESET_IRQ,
+				    argp[i], &data)) {
+		} else if (parse_reset("dma", ETH_RESET_DMA,
+				    argp[i], &data)) {
+		} else if (parse_reset("filter", ETH_RESET_FILTER,
+				    argp[i], &data)) {
+		} else if (parse_reset("offload", ETH_RESET_OFFLOAD,
+				    argp[i], &data)) {
+		} else if (parse_reset("mac", ETH_RESET_MAC,
+				    argp[i], &data)) {
+		} else if (parse_reset("phy", ETH_RESET_PHY,
+				    argp[i], &data)) {
+		} else if (parse_reset("ram", ETH_RESET_RAM,
+				    argp[i], &data)) {
+		} else if (parse_reset("ap", ETH_RESET_AP,
+				    argp[i], &data)) {
+		} else if (!strcmp(argp[i], "dedicated")) {
+			data |= ETH_RESET_DEDICATED;
+		} else if (!strcmp(argp[i], "all")) {
+			data |= ETH_RESET_ALL;
+		} else {
+			exit_bad_args();
+		}
+	}
+
+	resetinfo.cmd = ETHTOOL_RESET;
+	resetinfo.data = data;
+	fprintf(stdout, "ETHTOOL_RESET 0x%x\n", resetinfo.data);
+
+	if (send_ioctl(ctx, &resetinfo)) {
+		perror("Cannot issue ETHTOOL_RESET");
+		return 1;
+	}
+
+	fprintf(stdout, "Components reset:     0x%x\n", data & ~resetinfo.data);
+	if (resetinfo.data)
+		fprintf(stdout, "Components not reset: 0x%x\n", resetinfo.data);
+
+	return 0;
+}
+
+static int parse_named_bool(struct cmd_context *ctx, const char *name, u8 *on)
+{
+	if (ctx->argc < 2)
+		return 0;
+
+	if (strcmp(*ctx->argp, name))
+		return 0;
+
+	if (!strcmp(*(ctx->argp + 1), "on")) {
+		*on = 1;
+	} else if (!strcmp(*(ctx->argp + 1), "off")) {
+		*on = 0;
+	} else {
+		fprintf(stderr, "Invalid boolean\n");
+		exit_bad_args();
+	}
+
+	ctx->argc -= 2;
+	ctx->argp += 2;
+
+	return 1;
+}
+
+static int parse_named_uint(struct cmd_context *ctx,
+			    const char *name,
+			    unsigned long long *val,
+			    unsigned long long max)
+{
+	if (ctx->argc < 2)
+		return 0;
+
+	if (strcmp(*ctx->argp, name))
+		return 0;
+
+	*val = get_uint_range(*(ctx->argp + 1), 0, max);
+
+	ctx->argc -= 2;
+	ctx->argp += 2;
+
+	return 1;
+}
+
+static int parse_named_u8(struct cmd_context *ctx, const char *name, u8 *val)
+{
+	unsigned long long val1;
+	int ret;
+
+	ret = parse_named_uint(ctx, name, &val1, 0xff);
+	if (ret)
+		*val = val1;
+
+	return ret;
+}
+
+static int parse_named_u16(struct cmd_context *ctx, const char *name, u16 *val)
+{
+	unsigned long long val1;
+	int ret;
+
+	ret = parse_named_uint(ctx, name, &val1, 0xffff);
+	if (ret)
+		*val = val1;
+
+	return ret;
+}
+
+static int do_set_phy_tunable(struct cmd_context *ctx)
+{
+	int err = 0;
+	u8 ds_cnt = DOWNSHIFT_DEV_DEFAULT_COUNT;
+	u8 ds_changed = 0, ds_has_cnt = 0, ds_enable = 0;
+	u8 fld_changed = 0, fld_enable = 0;
+	u8 fld_msecs = ETHTOOL_PHY_FAST_LINK_DOWN_ON;
+	u8 edpd_changed = 0, edpd_enable = 0;
+	u16 edpd_tx_interval = ETHTOOL_PHY_EDPD_DFLT_TX_MSECS;
+
+	/* Parse arguments */
+	if (parse_named_bool(ctx, "downshift", &ds_enable)) {
+		ds_changed = 1;
+		ds_has_cnt = parse_named_u8(ctx, "count", &ds_cnt);
+	} else if (parse_named_bool(ctx, "fast-link-down", &fld_enable)) {
+		fld_changed = 1;
+		if (fld_enable)
+			parse_named_u8(ctx, "msecs", &fld_msecs);
+	} else if (parse_named_bool(ctx, "energy-detect-power-down",
+				    &edpd_enable)) {
+		edpd_changed = 1;
+		if (edpd_enable)
+			parse_named_u16(ctx, "msecs", &edpd_tx_interval);
+	} else {
+		exit_bad_args();
+	}
+
+	/* Validate parameters */
+	if (ds_changed) {
+		if (!ds_enable && ds_has_cnt) {
+			fprintf(stderr, "'count' may not be set when downshift "
+				        "is off.\n");
+			exit_bad_args();
+		}
+
+		if (ds_enable && ds_has_cnt && ds_cnt == 0) {
+			fprintf(stderr, "'count' may not be zero.\n");
+			exit_bad_args();
+		}
+
+		if (!ds_enable)
+			ds_cnt = DOWNSHIFT_DEV_DISABLE;
+	} else if (fld_changed) {
+		if (!fld_enable)
+			fld_msecs = ETHTOOL_PHY_FAST_LINK_DOWN_OFF;
+		else if (fld_msecs == ETHTOOL_PHY_FAST_LINK_DOWN_OFF)
+			exit_bad_args();
+	} else if (edpd_changed) {
+		if (!edpd_enable)
+			edpd_tx_interval = ETHTOOL_PHY_EDPD_DISABLE;
+		else if (edpd_tx_interval == 0)
+			edpd_tx_interval = ETHTOOL_PHY_EDPD_NO_TX;
+		else if (edpd_tx_interval > ETHTOOL_PHY_EDPD_NO_TX) {
+			fprintf(stderr, "'msecs' max value is %d.\n",
+				(ETHTOOL_PHY_EDPD_NO_TX - 1));
+			exit_bad_args();
+		}
+	}
+
+	/* Do it */
+	if (ds_changed) {
+		struct {
+			struct ethtool_tunable ds;
+			u8 count;
+		} cont;
+
+		cont.ds.cmd = ETHTOOL_PHY_STUNABLE;
+		cont.ds.id = ETHTOOL_PHY_DOWNSHIFT;
+		cont.ds.type_id = ETHTOOL_TUNABLE_U8;
+		cont.ds.len = 1;
+		cont.count = ds_cnt;
+		err = send_ioctl(ctx, &cont.ds);
+		if (err < 0) {
+			perror("Cannot Set PHY downshift count");
+			err = 87;
+		}
+	} else if (fld_changed) {
+		struct {
+			struct ethtool_tunable fld;
+			u8 msecs;
+		} cont;
+
+		cont.fld.cmd = ETHTOOL_PHY_STUNABLE;
+		cont.fld.id = ETHTOOL_PHY_FAST_LINK_DOWN;
+		cont.fld.type_id = ETHTOOL_TUNABLE_U8;
+		cont.fld.len = 1;
+		cont.msecs = fld_msecs;
+		err = send_ioctl(ctx, &cont.fld);
+		if (err < 0) {
+			perror("Cannot Set PHY Fast Link Down value");
+			err = 87;
+		}
+	} else if (edpd_changed) {
+		struct {
+			struct ethtool_tunable fld;
+			u16 msecs;
+		} cont;
+
+		cont.fld.cmd = ETHTOOL_PHY_STUNABLE;
+		cont.fld.id = ETHTOOL_PHY_EDPD;
+		cont.fld.type_id = ETHTOOL_TUNABLE_U16;
+		cont.fld.len = 2;
+		cont.msecs = edpd_tx_interval;
+		err = send_ioctl(ctx, &cont.fld);
+		if (err < 0) {
+			perror("Cannot Set PHY Energy Detect Power Down");
+			err = 87;
+		}
+	}
+
+	return err;
+}
+
+static int fecmode_str_to_type(const char *str)
+{
+	if (!strcasecmp(str, "auto"))
+		return ETHTOOL_FEC_AUTO;
+	if (!strcasecmp(str, "off"))
+		return ETHTOOL_FEC_OFF;
+	if (!strcasecmp(str, "rs"))
+		return ETHTOOL_FEC_RS;
+	if (!strcasecmp(str, "baser"))
+		return ETHTOOL_FEC_BASER;
+	if (!strcasecmp(str, "llrs"))
+		return ETHTOOL_FEC_LLRS;
+	return 0;
+}
+
+static int do_gfec(struct cmd_context *ctx)
+{
+	struct ethtool_fecparam feccmd = { 0 };
+	int rv;
+
+	if (ctx->argc != 0)
+		exit_bad_args();
+
+	feccmd.cmd = ETHTOOL_GFECPARAM;
+	rv = send_ioctl(ctx, &feccmd);
+	if (rv != 0) {
+		perror("Cannot get FEC settings");
+		return rv;
+	}
+
+	fprintf(stdout, "FEC parameters for %s:\n", ctx->devname);
+	fprintf(stdout, "Supported/Configured FEC encodings:");
+	dump_fec(feccmd.fec);
+	fprintf(stdout, "\n");
+
+	fprintf(stdout, "Active FEC encoding:");
+	dump_fec(feccmd.active_fec);
+	fprintf(stdout, "\n");
+
+	return 0;
+}
+
+static int do_sfec(struct cmd_context *ctx)
+{
+	enum { ARG_NONE, ARG_ENCODING } state = ARG_NONE;
+	struct ethtool_fecparam feccmd;
+	int fecmode = 0, newmode;
+	unsigned int i;
+	int rv;
+
+	for (i = 0; i < ctx->argc; i++) {
+		if (!strcmp(ctx->argp[i], "encoding")) {
+			state = ARG_ENCODING;
+			continue;
+		}
+		if (state == ARG_ENCODING) {
+			newmode = fecmode_str_to_type(ctx->argp[i]);
+			if (!newmode)
+				exit_bad_args();
+			fecmode |= newmode;
+			continue;
+		}
+		exit_bad_args();
+	}
+
+	if (!fecmode)
+		exit_bad_args();
+
+	feccmd.cmd = ETHTOOL_SFECPARAM;
+	feccmd.fec = fecmode;
+	rv = send_ioctl(ctx, &feccmd);
+	if (rv != 0) {
+		perror("Cannot set FEC settings");
+		return rv;
+	}
+
+	return 0;
+}
+
+static int do_perqueue(struct cmd_context *ctx);
+
+#ifndef TEST_ETHTOOL
+int send_ioctl(struct cmd_context *ctx, void *cmd)
+{
+	ctx->ifr.ifr_data = cmd;
+	return ioctl(ctx->fd, SIOCETHTOOL, &ctx->ifr);
+}
+#endif
+
+static int show_usage(struct cmd_context *ctx);
+
+struct option {
+	const char	*opts;
+	bool		no_dev;
+	bool		json;
+	int		(*func)(struct cmd_context *);
+	nl_chk_t	nlchk;
+	nl_func_t	nlfunc;
+	const char	*help;
+	const char	*xhelp;
+};
+
+static const struct option args[] = {
+	{
+		/* "default" entry when no switch is used */
+		.opts	= "",
+		.func	= do_gset,
+		.nlfunc	= nl_gset,
+		.help	= "Display standard information about device",
+	},
+	{
+		.opts	= "-s|--change",
+		.func	= do_sset,
+		.nlfunc	= nl_sset,
+		.help	= "Change generic options",
+		.xhelp	= "		[ speed %d ]\n"
+			  "		[ lanes %d ]\n"
+			  "		[ duplex half|full ]\n"
+			  "		[ port tp|aui|bnc|mii|fibre|da ]\n"
+			  "		[ mdix auto|on|off ]\n"
+			  "		[ autoneg on|off ]\n"
+			  "		[ advertise %x[/%x] | mode on|off ... [--] ]\n"
+			  "		[ phyad %d ]\n"
+			  "		[ xcvr internal|external ]\n"
+			  "		[ wol %d[/%d] | p|u|m|b|a|g|s|f|d... ]\n"
+			  "		[ sopass %x:%x:%x:%x:%x:%x ]\n"
+			  "		[ msglvl %d[/%d] | type on|off ... [--] ]\n"
+			  "		[ master-slave preferred-master|preferred-slave|forced-master|forced-slave ]\n"
+	},
+	{
+		.opts	= "-a|--show-pause",
+		.json	= true,
+		.func	= do_gpause,
+		.nlfunc	= nl_gpause,
+		.help	= "Show pause options",
+		.xhelp	= "		[ --src aggregate | emac | pmac ]\n"
+	},
+	{
+		.opts	= "-A|--pause",
+		.func	= do_spause,
+		.nlfunc	= nl_spause,
+		.help	= "Set pause options",
+		.xhelp	= "		[ autoneg on|off ]\n"
+			  "		[ rx on|off ]\n"
+			  "		[ tx on|off ]\n"
+	},
+	{
+		.opts	= "-c|--show-coalesce",
+		.json	= true,
+		.func	= do_gcoalesce,
+		.nlfunc	= nl_gcoalesce,
+		.help	= "Show coalesce options"
+	},
+	{
+		.opts	= "-C|--coalesce",
+		.func	= do_scoalesce,
+		.nlfunc	= nl_scoalesce,
+		.help	= "Set coalesce options",
+		.xhelp	= "		[adaptive-rx on|off]\n"
+			  "		[adaptive-tx on|off]\n"
+			  "		[rx-usecs N]\n"
+			  "		[rx-frames N]\n"
+			  "		[rx-usecs-irq N]\n"
+			  "		[rx-frames-irq N]\n"
+			  "		[tx-usecs N]\n"
+			  "		[tx-frames N]\n"
+			  "		[tx-usecs-irq N]\n"
+			  "		[tx-frames-irq N]\n"
+			  "		[stats-block-usecs N]\n"
+			  "		[pkt-rate-low N]\n"
+			  "		[rx-usecs-low N]\n"
+			  "		[rx-frames-low N]\n"
+			  "		[tx-usecs-low N]\n"
+			  "		[tx-frames-low N]\n"
+			  "		[pkt-rate-high N]\n"
+			  "		[rx-usecs-high N]\n"
+			  "		[rx-frames-high N]\n"
+			  "		[tx-usecs-high N]\n"
+			  "		[tx-frames-high N]\n"
+			  "		[sample-interval N]\n"
+			  "		[cqe-mode-rx on|off]\n"
+			  "		[cqe-mode-tx on|off]\n"
+			  "		[tx-aggr-max-bytes N]\n"
+			  "		[tx-aggr-max-frames N]\n"
+			  "		[tx-aggr-time-usecs N]\n"
+	},
+	{
+		.opts	= "-g|--show-ring",
+		.json	= true,
+		.func	= do_gring,
+		.nlfunc	= nl_gring,
+		.help	= "Query RX/TX ring parameters"
+	},
+	{
+		.opts	= "-G|--set-ring",
+		.func	= do_sring,
+		.nlfunc	= nl_sring,
+		.help	= "Set RX/TX ring parameters",
+		.xhelp	= "		[ rx N ]\n"
+			  "		[ rx-mini N ]\n"
+			  "		[ rx-jumbo N ]\n"
+			  "		[ tx N ]\n"
+			  "		[ rx-buf-len N ]\n"
+			  "		[ tcp-data-split auto|on|off ]\n"
+			  "		[ cqe-size N ]\n"
+			  "		[ tx-push on|off ]\n"
+			  "		[ rx-push on|off ]\n"
+			  "		[ tx-push-buf-len N]\n"
+	},
+	{
+		.opts	= "-k|--show-features|--show-offload",
+		.json	= true,
+		.func	= do_gfeatures,
+		.nlfunc	= nl_gfeatures,
+		.help	= "Get state of protocol offload and other features"
+	},
+	{
+		.opts	= "-K|--features|--offload",
+		.func	= do_sfeatures,
+		.nlfunc	= nl_sfeatures,
+		.help	= "Set protocol offload and other features",
+		.xhelp	= "		FEATURE on|off ...\n"
+	},
+	{
+		.opts	= "-i|--driver",
+		.func	= do_gdrv,
+		.help	= "Show driver information"
+	},
+	{
+		.opts	= "-d|--register-dump",
+		.func	= do_gregs,
+		.help	= "Do a register dump",
+		.xhelp	= "		[ raw on|off ]\n"
+			  "		[ file FILENAME ]\n"
+	},
+	{
+		.opts	= "-e|--eeprom-dump",
+		.func	= do_geeprom,
+		.help	= "Do a EEPROM dump",
+		.xhelp	= "		[ raw on|off ]\n"
+			  "		[ offset N ]\n"
+			  "		[ length N ]\n"
+	},
+	{
+		.opts	= "-E|--change-eeprom",
+		.func	= do_seeprom,
+		.help	= "Change bytes in device EEPROM",
+		.xhelp	= "		[ magic N ]\n"
+			  "		[ offset N ]\n"
+			  "		[ length N ]\n"
+			  "		[ value N ]\n"
+	},
+	{
+		.opts	= "-r|--negotiate",
+		.func	= do_nway_rst,
+		.help	= "Restart N-WAY negotiation"
+	},
+	{
+		.opts	= "-p|--identify",
+		.func	= do_phys_id,
+		.help	= "Show visible port identification (e.g. blinking)",
+		.xhelp	= "		[ TIME-IN-SECONDS ]\n"
+	},
+	{
+		.opts	= "-t|--test",
+		.func	= do_test,
+		.help	= "Execute adapter self test",
+		.xhelp	= "		[ online | offline | external_lb ]\n"
+	},
+	{
+		.opts	= "-S|--statistics",
+		.json	= true,
+		.func	= do_gnicstats,
+		.nlchk	= nl_gstats_chk,
+		.nlfunc	= nl_gstats,
+		.help	= "Show adapter statistics",
+		.xhelp	= "		[ --all-groups | --groups [eth-phy] [eth-mac] [eth-ctrl] [rmon] ]\n"
+			  "		[ --src aggregate | emac | pmac ]\n"
+	},
+	{
+		.opts	= "--phy-statistics",
+		.func	= do_gphystats,
+		.help	= "Show phy statistics"
+	},
+	{
+		.opts	= "-n|-u|--show-nfc|--show-ntuple",
+		.func	= do_grxclass,
+		.help	= "Show Rx network flow classification options or rules",
+		.xhelp	= "		[ rx-flow-hash tcp4|udp4|ah4|esp4|sctp4|"
+			  "tcp6|udp6|ah6|esp6|sctp6 [context %d] |\n"
+			  "		  rule %d ]\n"
+	},
+	{
+		.opts	= "-N|-U|--config-nfc|--config-ntuple",
+		.func	= do_srxclass,
+		.help	= "Configure Rx network flow classification options or rules",
+		.xhelp	= "		rx-flow-hash tcp4|udp4|ah4|esp4|sctp4|"
+			  "tcp6|udp6|ah6|esp6|sctp6 m|v|t|s|d|f|n|r... [context %d] |\n"
+			  "		flow-type ether|ip4|tcp4|udp4|sctp4|ah4|esp4|"
+			  "ip6|tcp6|udp6|ah6|esp6|sctp6\n"
+			  "			[ src %x:%x:%x:%x:%x:%x [m %x:%x:%x:%x:%x:%x] ]\n"
+			  "			[ dst %x:%x:%x:%x:%x:%x [m %x:%x:%x:%x:%x:%x] ]\n"
+			  "			[ proto %d [m %x] ]\n"
+			  "			[ src-ip IP-ADDRESS [m IP-ADDRESS] ]\n"
+			  "			[ dst-ip IP-ADDRESS [m IP-ADDRESS] ]\n"
+			  "			[ tos %d [m %x] ]\n"
+			  "			[ tclass %d [m %x] ]\n"
+			  "			[ l4proto %d [m %x] ]\n"
+			  "			[ src-port %d [m %x] ]\n"
+			  "			[ dst-port %d [m %x] ]\n"
+			  "			[ spi %d [m %x] ]\n"
+			  "			[ vlan-etype %x [m %x] ]\n"
+			  "			[ vlan %x [m %x] ]\n"
+			  "			[ user-def %x [m %x] ]\n"
+			  "			[ dst-mac %x:%x:%x:%x:%x:%x [m %x:%x:%x:%x:%x:%x] ]\n"
+			  "			[ action %d ] | [ vf %d queue %d ]\n"
+			  "			[ context %d ]\n"
+			  "			[ loc %d ] |\n"
+			  "		delete %d\n"
+	},
+	{
+		.opts	= "-T|--show-time-stamping",
+		.func	= do_tsinfo,
+		.nlfunc	= nl_tsinfo,
+		.help	= "Show time stamping capabilities"
+	},
+	{
+		.opts	= "-x|--show-rxfh-indir|--show-rxfh",
+		.json	= true,
+		.func	= do_grxfh,
+		.nlfunc	= nl_grss,
+		.help	= "Show Rx flow hash indirection table and/or RSS hash key",
+		.xhelp	= "		[ context %d ]\n"
+	},
+	{
+		.opts	= "-X|--set-rxfh-indir|--rxfh",
+		.func	= do_srxfh,
+		.help	= "Set Rx flow hash indirection table and/or RSS hash key",
+		.xhelp	= "		[ context %d|new ]\n"
+			  "		[ equal N | weight W0 W1 ... | default ]\n"
+			  "		[ hkey %x:%x:%x:%x:%x:.... ]\n"
+			  "		[ hfunc FUNC ]\n"
+			  "		[ delete ]\n"
+	},
+	{
+		.opts	= "-f|--flash",
+		.func	= do_flash,
+		.help	= "Flash firmware image from the specified file to a region on the device",
+		.xhelp	= "		FILENAME [ REGION-NUMBER-TO-FLASH ]\n"
+	},
+	{
+		.opts	= "-P|--show-permaddr",
+		.func	= do_permaddr,
+		.nlfunc	= nl_permaddr,
+		.help	= "Show permanent hardware address"
+	},
+	{
+		.opts	= "-w|--get-dump",
+		.func	= do_getfwdump,
+		.help	= "Get dump flag, data",
+		.xhelp	= "		[ data FILENAME ]\n"
+	},
+	{
+		.opts	= "-W|--set-dump",
+		.func	= do_setfwdump,
+		.help	= "Set dump flag of the device",
+		.xhelp	= "		N\n"
+	},
+	{
+		.opts	= "-l|--show-channels",
+		.func	= do_gchannels,
+		.nlfunc	= nl_gchannels,
+		.help	= "Query Channels"
+	},
+	{
+		.opts	= "-L|--set-channels",
+		.func	= do_schannels,
+		.nlfunc	= nl_schannels,
+		.help	= "Set Channels",
+		.xhelp	= "		[ rx N ]\n"
+			  "		[ tx N ]\n"
+			  "		[ other N ]\n"
+			  "		[ combined N ]\n"
+	},
+	{
+		.opts	= "--show-priv-flags",
+		.func	= do_gprivflags,
+		.nlfunc	= nl_gprivflags,
+		.help	= "Query private flags"
+	},
+	{
+		.opts	= "--set-priv-flags",
+		.func	= do_sprivflags,
+		.nlfunc	= nl_sprivflags,
+		.help	= "Set private flags",
+		.xhelp	= "		FLAG on|off ...\n"
+	},
+	{
+		.opts	= "-m|--dump-module-eeprom|--module-info",
+		.func	= do_getmodule,
+		.nlfunc = nl_getmodule,
+		.help	= "Query/Decode Module EEPROM information and optical diagnostics if available",
+		.xhelp	= "		[ raw on|off ]\n"
+			  "		[ hex on|off ]\n"
+			  "		[ offset N ]\n"
+			  "		[ length N ]\n"
+			  "		[ page N ]\n"
+			  "		[ bank N ]\n"
+			  "		[ i2c N ]\n"
+	},
+	{
+		.opts	= "--show-eee",
+		.func	= do_geee,
+		.nlfunc	= nl_geee,
+		.help	= "Show EEE settings",
+	},
+	{
+		.opts	= "--set-eee",
+		.func	= do_seee,
+		.nlfunc	= nl_seee,
+		.help	= "Set EEE settings",
+		.xhelp	= "		[ eee on|off ]\n"
+			  "		[ advertise %x ]\n"
+			  "		[ tx-lpi on|off ]\n"
+			  "		[ tx-timer %d ]\n"
+	},
+	{
+		.opts	= "--set-phy-tunable",
+		.func	= do_set_phy_tunable,
+		.help	= "Set PHY tunable",
+		.xhelp	= "		[ downshift on|off [count N] ]\n"
+			  "		[ fast-link-down on|off [msecs N] ]\n"
+			  "		[ energy-detect-power-down on|off [msecs N] ]\n"
+	},
+	{
+		.opts	= "--get-phy-tunable",
+		.func	= do_get_phy_tunable,
+		.help	= "Get PHY tunable",
+		.xhelp	= "		[ downshift ]\n"
+			  "		[ fast-link-down ]\n"
+			  "		[ energy-detect-power-down ]\n"
+	},
+	{
+		.opts	= "--get-tunable",
+		.func	= do_gtunable,
+		.help	= "Get tunable",
+		.xhelp	= "		[ rx-copybreak ]\n"
+			  "		[ tx-copybreak ]\n"
+			  "		[ tx-buf-size ]\n"
+			  "		[ pfc-prevention-tout ]\n"
+	},
+	{
+		.opts	= "--set-tunable",
+		.func	= do_stunable,
+		.help	= "Set tunable",
+		.xhelp	= "		[ rx-copybreak N ]\n"
+			  "		[ tx-copybreak N ]\n"
+			  "		[ tx-buf-size N ]\n"
+			  "		[ pfc-prevention-tout N ]\n"
+	},
+	{
+		.opts	= "--reset",
+		.func	= do_reset,
+		.help	= "Reset components",
+		.xhelp	= "		[ flags %x ]\n"
+			  "		[ mgmt ]\n"
+			  "		[ mgmt-shared ]\n"
+			  "		[ irq ]\n"
+			  "		[ irq-shared ]\n"
+			  "		[ dma ]\n"
+			  "		[ dma-shared ]\n"
+			  "		[ filter ]\n"
+			  "		[ filter-shared ]\n"
+			  "		[ offload ]\n"
+			  "		[ offload-shared ]\n"
+			  "		[ mac ]\n"
+			  "		[ mac-shared ]\n"
+			  "		[ phy ]\n"
+			  "		[ phy-shared ]\n"
+			  "		[ ram ]\n"
+			  "		[ ram-shared ]\n"
+			  "		[ ap ]\n"
+			  "		[ ap-shared ]\n"
+			  "		[ dedicated ]\n"
+			  "		[ all ]\n"
+	},
+	{
+		.opts	= "--show-fec",
+		.json	= true,
+		.func	= do_gfec,
+		.nlfunc	= nl_gfec,
+		.help	= "Show FEC settings",
+	},
+	{
+		.opts	= "--set-fec",
+		.func	= do_sfec,
+		.nlfunc	= nl_sfec,
+		.help	= "Set FEC settings",
+		.xhelp	= "		[ encoding auto|off|rs|baser|llrs [...] ]\n"
+	},
+	{
+		.opts	= "-Q|--per-queue",
+		.func	= do_perqueue,
+		.help	= "Apply per-queue command. ",
+		.xhelp	= "The supported sub commands include --show-coalesce, --coalesce"
+			  "		[queue_mask %x] SUB_COMMAND\n",
+	},
+	{
+		.opts	= "--cable-test",
+		.json	= true,
+		.nlfunc	= nl_cable_test,
+		.help	= "Perform a cable test",
+	},
+	{
+		.opts	= "--cable-test-tdr",
+		.json	= true,
+		.nlfunc	= nl_cable_test_tdr,
+		.help	= "Print cable test time domain reflectrometery data",
+		.xhelp	= "		[ first N ]\n"
+			  "		[ last N ]\n"
+			  "		[ step N ]\n"
+			  "		[ pair N ]\n"
+	},
+	{
+		.opts	= "--show-tunnels",
+		.nlfunc	= nl_gtunnels,
+		.help	= "Show NIC tunnel offload information",
+	},
+	{
+		.opts	= "--show-module",
+		.json	= true,
+		.nlfunc	= nl_gmodule,
+		.help	= "Show transceiver module settings",
+	},
+	{
+		.opts	= "--set-module",
+		.nlfunc	= nl_smodule,
+		.help	= "Set transceiver module settings",
+		.xhelp	= "		[ power-mode-policy high|auto ]\n"
+	},
+	{
+		.opts	= "--get-plca-cfg",
+		.nlfunc	= nl_plca_get_cfg,
+		.help	= "Get PLCA configuration",
+	},
+	{
+		.opts	= "--set-plca-cfg",
+		.nlfunc	= nl_plca_set_cfg,
+		.help	= "Set PLCA configuration",
+		.xhelp  = "		[ enable on|off ]\n"
+			  "		[ node-id N ]\n"
+			  "		[ node-cnt N ]\n"
+			  "		[ to-tmr N ]\n"
+			  "		[ burst-cnt N ]\n"
+			  "		[ burst-tmr N ]\n"
+	},
+	{
+		.opts	= "--get-plca-status",
+		.nlfunc	= nl_plca_get_status,
+		.help	= "Get PLCA status information",
+	},
+	{
+		.opts	= "--show-mm",
+		.json	= true,
+		.nlfunc	= nl_get_mm,
+		.help	= "Show MAC merge layer state",
+	},
+	{
+		.opts	= "--set-mm",
+		.nlfunc	= nl_set_mm,
+		.help	= "Set MAC merge layer parameters",
+			  "		[ verify-enabled on|off ]\n"
+			  "		[ verify-time N ]\n"
+			  "		[ tx-enabled on|off ]\n"
+			  "		[ pmac-enabled on|off ]\n"
+			  "		[ tx-min-frag-size 60-252 ]\n"
+	},
+	{
+		.opts	= "--show-pse",
+		.json	= true,
+		.nlfunc	= nl_gpse,
+		.help	= "Show settings for Power Sourcing Equipment",
+	},
+	{
+		.opts	= "--set-pse",
+		.nlfunc	= nl_spse,
+		.help	= "Set Power Sourcing Equipment settings",
+		.xhelp	= "		[ podl-pse-admin-control enable|disable ]\n"
+	},
+	{
+		.opts	= "-h|--help",
+		.no_dev	= true,
+		.func	= show_usage,
+		.help	= "Show this help"
+	},
+	{
+		.opts	= "--version",
+		.no_dev	= true,
+		.func	= do_version,
+		.help	= "Show version number"
+	},
+	{}
+};
+
+static int show_usage(struct cmd_context *ctx __maybe_unused)
+{
+	int i;
+
+	/* ethtool -h */
+	fprintf(stdout, PACKAGE " version " VERSION "\n");
+	fprintf(stdout,	"Usage:\n");
+	for (i = 0; args[i].opts; i++) {
+		fputs("        ethtool [ FLAGS ] ", stdout);
+		fprintf(stdout, "%s %s\t%s\n",
+			args[i].opts,
+			args[i].no_dev ? "\t" : "DEVNAME",
+			args[i].help);
+		if (args[i].xhelp)
+			fputs(args[i].xhelp, stdout);
+	}
+	nl_monitor_usage();
+	fprintf(stdout, "\n");
+	fprintf(stdout, "FLAGS:\n");
+	fprintf(stdout, "	--debug MASK	turn on debugging messages\n");
+	fprintf(stdout, "	--json		enable JSON output format (not supported by all commands)\n");
+	fprintf(stdout, "	-I|--include-statistics		request device statistics related to the command (not supported by all commands)\n");
+
+	return 0;
+}
+
+static int find_option(char *arg)
+{
+	const char *opt;
+	size_t len;
+	int k;
+
+	for (k = 1; args[k].opts; k++) {
+		opt = args[k].opts;
+		for (;;) {
+			len = strcspn(opt, "|");
+			if (strncmp(arg, opt, len) == 0 && arg[len] == 0)
+				return k;
+
+			if (opt[len] == 0)
+				break;
+			opt += len + 1;
+		}
+	}
+
+	return -1;
+}
+
+#define MAX(x, y) (x > y ? x : y)
+
+static int find_max_num_queues(struct cmd_context *ctx)
+{
+	struct ethtool_channels echannels;
+
+	echannels.cmd = ETHTOOL_GCHANNELS;
+	if (send_ioctl(ctx, &echannels))
+		return -1;
+
+	return MAX(echannels.rx_count, echannels.tx_count) +
+		echannels.combined_count;
+}
+
+static struct ethtool_per_queue_op *
+get_per_queue_coalesce(struct cmd_context *ctx, __u32 *queue_mask, int n_queues)
+{
+	struct ethtool_per_queue_op *per_queue_opt;
+
+	per_queue_opt = malloc(sizeof(*per_queue_opt) + n_queues *
+			sizeof(struct ethtool_coalesce));
+	if (!per_queue_opt)
+		return NULL;
+
+	memcpy(per_queue_opt->queue_mask, queue_mask,
+	       __KERNEL_DIV_ROUND_UP(MAX_NUM_QUEUE, 32) * sizeof(__u32));
+	per_queue_opt->cmd = ETHTOOL_PERQUEUE;
+	per_queue_opt->sub_command = ETHTOOL_GCOALESCE;
+	if (send_ioctl(ctx, per_queue_opt)) {
+		free(per_queue_opt);
+		perror("Cannot get device per queue parameters");
+		return NULL;
+	}
+
+	return per_queue_opt;
+}
+
+static void set_per_queue_coalesce(struct cmd_context *ctx,
+				   struct ethtool_per_queue_op *per_queue_opt,
+				   int n_queues)
+{
+	struct ethtool_coalesce ecoal;
+	DECLARE_COALESCE_OPTION_VARS();
+	struct cmdline_info cmdline_coalesce[] = COALESCE_CMDLINE_INFO(ecoal);
+	__u32 *queue_mask = per_queue_opt->queue_mask;
+	struct ethtool_coalesce *ecoal_q;
+	int gcoalesce_changed = 0;
+	int i, idx = 0;
+
+	parse_generic_cmdline(ctx, &gcoalesce_changed,
+			      cmdline_coalesce, ARRAY_SIZE(cmdline_coalesce));
+
+	ecoal_q = (struct ethtool_coalesce *)(per_queue_opt + 1);
+	for (i = 0; i < __KERNEL_DIV_ROUND_UP(MAX_NUM_QUEUE, 32); i++) {
+		int queue = i * 32;
+		__u32 mask = queue_mask[i];
+
+		while (mask > 0) {
+			if (mask & 0x1) {
+				int changed = 0;
+
+				memcpy(&ecoal, ecoal_q + idx,
+				       sizeof(struct ethtool_coalesce));
+				do_generic_set(cmdline_coalesce,
+					       ARRAY_SIZE(cmdline_coalesce),
+					       &changed);
+				if (!changed)
+					fprintf(stderr,
+						"Queue %d, no coalesce parameters changed\n",
+						queue);
+				memcpy(ecoal_q + idx, &ecoal,
+				       sizeof(struct ethtool_coalesce));
+				idx++;
+			}
+			mask = mask >> 1;
+			queue++;
+		}
+		if (idx == n_queues)
+			break;
+	}
+
+	per_queue_opt->cmd = ETHTOOL_PERQUEUE;
+	per_queue_opt->sub_command = ETHTOOL_SCOALESCE;
+
+	if (send_ioctl(ctx, per_queue_opt))
+		perror("Cannot set device per queue parameters");
+}
+
+static int do_perqueue(struct cmd_context *ctx)
+{
+	struct ethtool_per_queue_op *per_queue_opt;
+	__u32 queue_mask[__KERNEL_DIV_ROUND_UP(MAX_NUM_QUEUE, 32)] = {0};
+	int i, n_queues = 0;
+
+	if (ctx->argc == 0)
+		exit_bad_args();
+
+	/*
+	 * The sub commands will be applied to
+	 * all queues if no queue_mask set
+	 */
+	if (strncmp(*ctx->argp, "queue_mask", 11)) {
+		n_queues = find_max_num_queues(ctx);
+		if (n_queues < 0) {
+			perror("Cannot get number of queues");
+			return -EFAULT;
+		} else if (n_queues > MAX_NUM_QUEUE) {
+			n_queues = MAX_NUM_QUEUE;
+		}
+		for (i = 0; i < n_queues / 32; i++)
+			queue_mask[i] = ~0;
+		if (n_queues % 32)
+			queue_mask[i] = (1 << (n_queues - i * 32)) - 1;
+		fprintf(stdout,
+			"The sub commands will be applied to all %d queues\n",
+			n_queues);
+	} else {
+		if (ctx->argc <= 2)
+			exit_bad_args();
+		ctx->argc--;
+		ctx->argp++;
+		if (parse_hex_u32_bitmap(*ctx->argp, MAX_NUM_QUEUE,
+		    queue_mask)) {
+			fprintf(stdout, "Invalid queue mask\n");
+			return -1;
+		}
+		for (i = 0; i < __KERNEL_DIV_ROUND_UP(MAX_NUM_QUEUE, 32); i++) {
+			__u32 mask = queue_mask[i];
+
+			while (mask > 0) {
+				if (mask & 0x1)
+					n_queues++;
+				mask = mask >> 1;
+			}
+		}
+		ctx->argc--;
+		ctx->argp++;
+	}
+
+	i = find_option(ctx->argp[0]);
+	if (i < 0)
+		exit_bad_args();
+
+	if (strstr(args[i].opts, "--show-coalesce") != NULL) {
+		per_queue_opt = get_per_queue_coalesce(ctx, queue_mask,
+						       n_queues);
+		if (per_queue_opt == NULL) {
+			perror("Cannot get device per queue parameters");
+			return -EFAULT;
+		}
+		dump_per_queue_coalesce(per_queue_opt, queue_mask, n_queues);
+		free(per_queue_opt);
+	} else if (strstr(args[i].opts, "--coalesce") != NULL) {
+		ctx->argc--;
+		ctx->argp++;
+		per_queue_opt = get_per_queue_coalesce(ctx, queue_mask,
+						       n_queues);
+		if (per_queue_opt == NULL) {
+			perror("Cannot get device per queue parameters");
+			return -EFAULT;
+		}
+		set_per_queue_coalesce(ctx, per_queue_opt, n_queues);
+		free(per_queue_opt);
+	} else {
+		perror("The subcommand is not supported yet");
+		return -EOPNOTSUPP;
+	}
+
+	return 0;
+}
+
+static int ioctl_init(struct cmd_context *ctx, bool no_dev)
+{
+	if (no_dev) {
+		ctx->fd = -1;
+		return 0;
+	}
+	if (strlen(ctx->devname) >= IFNAMSIZ) {
+		fprintf(stderr, "Device name longer than %u characters\n",
+			IFNAMSIZ - 1);
+		exit_bad_args();
+	}
+
+	/* Setup our control structures. */
+	memset(&ctx->ifr, 0, sizeof(ctx->ifr));
+	strcpy(ctx->ifr.ifr_name, ctx->devname);
+
+	/* Open control socket. */
+	ctx->fd = socket(AF_INET, SOCK_DGRAM, 0);
+	if (ctx->fd < 0)
+		ctx->fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
+	if (ctx->fd < 0) {
+		perror("Cannot get control socket");
+		return 70;
+	}
+
+	return 0;
+}
+
+int main(int argc, char **argp)
+{
+	struct cmd_context ctx = {};
+	int ret;
+	int k;
+
+	init_global_link_mode_masks();
+
+	if (argc < 2)
+		exit_bad_args();
+
+	/* Skip command name */
+	argp++;
+	argc--;
+
+	while (true) {
+		if (*argp && !strcmp(*argp, "--debug")) {
+			char *eptr;
+
+			if (argc < 2)
+				exit_bad_args();
+			ctx.debug = strtoul(argp[1], &eptr, 0);
+			if (!argp[1][0] || *eptr)
+				exit_bad_args();
+
+			argp += 2;
+			argc -= 2;
+			continue;
+		}
+		if (*argp && !strcmp(*argp, "--json")) {
+			ctx.json = true;
+			argp += 1;
+			argc -= 1;
+			continue;
+		}
+		if (*argp && (!strcmp(*argp, "--include-statistics") ||
+			      !strcmp(*argp, "-I"))) {
+			ctx.show_stats = true;
+			argp += 1;
+			argc -= 1;
+			continue;
+		}
+		break;
+	}
+	if (*argp && !strcmp(*argp, "--monitor")) {
+		ctx.argp = ++argp;
+		ctx.argc = --argc;
+		ret = nl_monitor(&ctx);
+		return ret ? 1 : 0;
+	}
+
+	/* First argument must be either a valid option or a device
+	 * name to get settings for (which we don't expect to begin
+	 * with '-').
+	 */
+	if (!*argp)
+		exit_bad_args();
+
+	k = find_option(*argp);
+	if (k > 0) {
+		argp++;
+		argc--;
+	} else {
+		if ((*argp)[0] == '-')
+			exit_bad_args();
+		k = 0;
+	}
+
+	if (!args[k].no_dev) {
+		ctx.devname = *argp++;
+		argc--;
+
+		if (!ctx.devname)
+			exit_bad_args();
+	}
+	if (ctx.json && !args[k].json)
+		exit_bad_args();
+	ctx.argc = argc;
+	ctx.argp = argp;
+	netlink_run_handler(&ctx, args[k].nlchk, args[k].nlfunc, !args[k].func);
+
+	if (ctx.json) /* no IOCTL command supports JSON output */
+		exit_bad_args();
+
+	ret = ioctl_init(&ctx, args[k].no_dev);
+	if (ret)
+		return ret;
+
+	return args[k].func(&ctx);
+}