test-features.c

/****************************************************************************
 * Test cases for ethtool features
 * Copyright 2012 Solarflare Communications Inc.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation, incorporated herein by reference.
 */

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define TEST_NO_WRAPPERS
#include "internal.h"

static const struct {
	struct ethtool_sset_info cmd;
	u32 data[1];
}
cmd_gssetinfo = { { ETHTOOL_GSSET_INFO, 0, 1ULL << ETH_SS_FEATURES }, 34 };

static const struct ethtool_value
cmd_grxcsum_off = { ETHTOOL_GRXCSUM, 0 },
cmd_grxcsum_on = { ETHTOOL_GRXCSUM, 1 },
cmd_srxcsum_off = { ETHTOOL_SRXCSUM, 0 },
cmd_srxcsum_on = { ETHTOOL_SRXCSUM, 1 },
cmd_gtxcsum_off = { ETHTOOL_GTXCSUM, 0 },
cmd_gtxcsum_on = { ETHTOOL_GTXCSUM, 1 },
cmd_stxcsum_off = { ETHTOOL_STXCSUM, 0 },
cmd_stxcsum_on = { ETHTOOL_STXCSUM, 1 },
cmd_gsg_off = { ETHTOOL_GSG, 0 },
cmd_gsg_on = { ETHTOOL_GSG, 1 },
cmd_ssg_off = { ETHTOOL_SSG, 0 },
cmd_ssg_on = { ETHTOOL_SSG, 1 },
cmd_gtso_off = { ETHTOOL_GTSO, 0 },
cmd_gtso_on = { ETHTOOL_GTSO, 1 },
cmd_stso_off = { ETHTOOL_STSO, 0 },
cmd_stso_on = { ETHTOOL_STSO, 1 },
cmd_gufo_off = { ETHTOOL_GUFO, 0 },
cmd_gufo_on = { ETHTOOL_GUFO, 1 },
cmd_sufo_off = { ETHTOOL_SUFO, 0 },
cmd_sufo_on = { ETHTOOL_SUFO, 1 },
cmd_ggso_off = { ETHTOOL_GGSO, 0 },
cmd_ggso_on = { ETHTOOL_GGSO, 1 },
cmd_sgso_off = { ETHTOOL_SGSO, 0 },
cmd_sgso_on = { ETHTOOL_SGSO, 1 },
cmd_ggro_off = { ETHTOOL_GGRO, 0 },
cmd_ggro_on = { ETHTOOL_GGRO, 1 },
cmd_sgro_off = { ETHTOOL_SGRO, 0 },
cmd_sgro_on = { ETHTOOL_SGRO, 1 },
cmd_gflags_off = { ETHTOOL_GFLAGS, 0 },
cmd_gflags_on = { ETHTOOL_GFLAGS,
		  ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN |
		  ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH },
cmd_sflags_off = { ETHTOOL_SFLAGS, 0 },
cmd_sflags_ntuple = { ETHTOOL_GFLAGS, ETH_FLAG_NTUPLE },
cmd_sflags_on = { ETHTOOL_SFLAGS,
		  ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN |
		  ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH },
cmd_sflags_not_rxhash = { ETHTOOL_SFLAGS,
			  ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN |
			  ETH_FLAG_NTUPLE };

static const struct cmd_expect cmd_expect_get_strings_old[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd), -EINVAL },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_get_features_off_old[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd), -EINVAL },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_set_features_off_old[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd), -EINVAL },
	{ &cmd_grxcsum_on, 4, 0, &cmd_grxcsum_on, sizeof(cmd_grxcsum_on) },
	{ &cmd_gtxcsum_on, 4, 0, &cmd_gtxcsum_on, sizeof(cmd_gtxcsum_on) },
	{ &cmd_gsg_on, 4, 0, &cmd_gsg_on, sizeof(cmd_gsg_on) },
	{ &cmd_gtso_on, 4, 0, &cmd_gtso_on, sizeof(cmd_gtso_on) },
	{ &cmd_gufo_on, 4, 0, &cmd_gufo_on, sizeof(cmd_gufo_on) },
	{ &cmd_ggso_on, 4, 0, &cmd_ggso_on, sizeof(cmd_ggso_on) },
	{ &cmd_ggro_on, 4,0, &cmd_ggro_on, sizeof(cmd_ggro_on) },
	{ &cmd_gflags_on, 4, 0, &cmd_gflags_on, sizeof(cmd_sflags_on) },
	{ &cmd_srxcsum_off, sizeof(cmd_srxcsum_off), 0, 0, 0 },
	{ &cmd_stxcsum_off, sizeof(cmd_stxcsum_off), 0, 0, 0 },
	{ &cmd_ssg_off, sizeof(cmd_ssg_off), 0, 0, 0 },
	{ &cmd_stso_off, sizeof(cmd_stso_off), 0, 0, 0 },
	{ &cmd_sufo_off, sizeof(cmd_sufo_off), 0, 0, 0 },
	{ &cmd_sgso_off, sizeof(cmd_sgso_off), 0, 0, 0 },
	{ &cmd_sgro_off, sizeof(cmd_sgro_off), 0, 0, 0 },
	{ &cmd_sflags_off, sizeof(cmd_sflags_off), 0, 0, 0 },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_sflags_off) },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_set_features_on_old[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd), -EINVAL },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_srxcsum_on, sizeof(cmd_srxcsum_on), 0, 0, 0 },
	{ &cmd_stxcsum_on, sizeof(cmd_stxcsum_on), 0, 0, 0 },
	{ &cmd_ssg_on, sizeof(cmd_ssg_on), 0, 0, 0 },
	{ &cmd_stso_on, sizeof(cmd_stso_on), 0, 0, 0 },
	{ &cmd_sufo_on, sizeof(cmd_sufo_on), 0, 0, 0 },
	{ &cmd_sgso_on, sizeof(cmd_sgso_on), 0, 0, 0 },
	{ &cmd_sgro_on, sizeof(cmd_sgro_on), 0, 0, 0 },
	{ &cmd_sflags_on, sizeof(cmd_sflags_on), 0, 0, 0 },
	{ &cmd_grxcsum_on, 4, 0, &cmd_grxcsum_on, sizeof(cmd_grxcsum_on) },
	{ &cmd_gtxcsum_on, 4, 0, &cmd_gtxcsum_on, sizeof(cmd_gtxcsum_on) },
	{ &cmd_gsg_on, 4, 0, &cmd_gsg_on, sizeof(cmd_gsg_on) },
	{ &cmd_gtso_on, 4, 0, &cmd_gtso_on, sizeof(cmd_gtso_on) },
	{ &cmd_gufo_on, 4, 0, &cmd_gufo_on, sizeof(cmd_gufo_on) },
	{ &cmd_ggso_on, 4, 0, &cmd_ggso_on, sizeof(cmd_ggso_on) },
	{ &cmd_ggro_on, 4,0, &cmd_ggro_on, sizeof(cmd_ggro_on) },
	{ &cmd_gflags_on, 4, 0, &cmd_gflags_on, sizeof(cmd_sflags_on) },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_set_features_unsup_on_old[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd), -EINVAL },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_stxcsum_on, sizeof(cmd_stxcsum_on), -EOPNOTSUPP },
	{ 0, 0, 0, 0, 0 }
};

static const struct {
	struct ethtool_gstrings cmd;
	u8 data[34][ETH_GSTRING_LEN];
}
cmd_gstrings = {
	{ ETHTOOL_GSTRINGS, ETH_SS_FEATURES, 34 },
	{
		"tx-scatter-gather",
		"tx-checksum-ipv4",
		"",
		"tx-checksum-ip-generic",
		"tx-checksum-ipv6",
		"highdma",
		"tx-scatter-gather-fraglist",
		"tx-vlan-hw-insert",
		"rx-vlan-hw-parse",
		"rx-vlan-filter",
		"vlan-challenged",
		"tx-generic-segmentation",
		"tx-lockless",
		"netns-local",
		"rx-gro",
		"rx-lro",
		"tx-tcp-segmentation",
		"tx-udp-fragmentation",
		"tx-gso-robust",
		"tx-tcp-ecn-segmentation",
		"tx-tcp6-segmentation",
		"tx-fcoe-segmentation",
		"",
		"",
		"tx-checksum-fcoe-crc",
		"tx-checksum-sctp",
		"fcoe-mtu",
		"rx-ntuple-filter",
		"rx-hashing",
		"rx-checksum",
		"tx-nocache-copy",
		"loopback",
		"rx-fcs",
		"rx-all",
	}
};

static const struct {
	struct ethtool_gfeatures cmd;
	struct ethtool_get_features_block data[2];
}
			    /* available   requested   active   never_changed */
/* minimal: only GRO and GSO are available (and GSO won't work) */
cmd_gfeatures_min_off =   { { ETHTOOL_GFEATURES, 2 },
			    {{ 0x00004800, 0x00000000, 0x00000000, 0x00003400},
			     { 0x00000000, 0x00000000, 0x00000000, 0x00000000}}
},
cmd_gfeatures_min_on =    { { ETHTOOL_GFEATURES, 2 },
			    {{ 0x00004800, 0x00004800, 0x00004000, 0x00003400},
			     { 0x00000000, 0x00000000, 0x00000000, 0x00000000}}
},
/* maximal: everything that isn't never-changed is available */
cmd_gfeatures_max_off =   { { ETHTOOL_GFEATURES, 2 },
			    {{ 0xffffcbff, 0x00000000, 0x00000000, 0x00003400 },
			     { 0x00000003, 0x00000000, 0x00000000, 0x00000000 }}
},
cmd_gfeatures_max_on =    { { ETHTOOL_GFEATURES, 2 },
			    {{ 0xffffcbff, 0xffffcbff, 0xffffcbff, 0x00003400 },
			     { 0x00000003, 0x00000003, 0x00000003, 0x00000000 }}
},
/* IPv4: GRO, GSO, SG and some IPv4-specific offloads are available */
cmd_gfeatures_ipv4_off =  { { ETHTOOL_GFEATURES, 2 },
			    {{ 0x00014803, 0x00000000, 0x00000000, 0x00003400 },
			     { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }}
},
cmd_gfeatures_ipv4_on =   { { ETHTOOL_GFEATURES, 2 },
			    {{ 0x00014803, 0x00014803, 0x00014803, 0x00003400 },
			     { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }}
};

static const struct {
	struct ethtool_sfeatures cmd;
	struct ethtool_set_features_block data[2];
}
			    /* valid       requested */
cmd_sfeatures_min_on =   { { ETHTOOL_SFEATURES, 2 },
			    {{ 0x00004800, 0x00004800 },
			     { 0x00000000, 0x00000000 }} },
cmd_sfeatures_min_off =  { { ETHTOOL_SFEATURES, 2 },
			    {{ 0x00004800, 0x00000000 },
			     { 0x00000000, 0x00000000 }} },
cmd_sfeatures_noop =     { { ETHTOOL_SFEATURES, 2 },
			    {{ 0x00000000, 0x00000000 },
			     { 0x00000000, 0x00000000 }} },
cmd_sfeatures_ipv4_on =  { { ETHTOOL_SFEATURES, 2 },
			    {{ 0x00014803, 0x00014803 },
			     { 0x00000000, 0x00000000 }} };

static const struct cmd_expect cmd_expect_get_strings[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd),
	  0, &cmd_gssetinfo, sizeof(cmd_gssetinfo) },
	{ &cmd_gstrings, sizeof(cmd_gstrings.cmd),
	  0, &cmd_gstrings, sizeof(cmd_gstrings) },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_get_features_min_off[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd),
	  0, &cmd_gssetinfo, sizeof(cmd_gssetinfo) },
	{ &cmd_gstrings, sizeof(cmd_gstrings.cmd),
	  0, &cmd_gstrings, sizeof(cmd_gstrings) },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off.cmd),
	  0, &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off) },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_get_features_max_on[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd),
	  0, &cmd_gssetinfo, sizeof(cmd_gssetinfo) },
	{ &cmd_gstrings, sizeof(cmd_gstrings.cmd),
	  0, &cmd_gstrings, sizeof(cmd_gstrings) },
	{ &cmd_grxcsum_on, 4, 0, &cmd_grxcsum_on, sizeof(cmd_grxcsum_on) },
	{ &cmd_gtxcsum_on, 4, 0, &cmd_gtxcsum_on, sizeof(cmd_gtxcsum_on) },
	{ &cmd_gsg_on, 4, 0, &cmd_gsg_on, sizeof(cmd_gsg_on) },
	{ &cmd_gtso_on, 4, 0, &cmd_gtso_on, sizeof(cmd_gtso_on) },
	{ &cmd_gufo_on, 4, 0, &cmd_gufo_on, sizeof(cmd_gufo_on) },
	{ &cmd_ggso_on, 4, 0, &cmd_ggso_on, sizeof(cmd_ggso_on) },
	{ &cmd_ggro_on, 4,0, &cmd_ggro_on, sizeof(cmd_ggro_on) },
	{ &cmd_gflags_on, 4, 0, &cmd_gflags_on, sizeof(cmd_sflags_on) },
	{ &cmd_gfeatures_max_on, sizeof(cmd_gfeatures_max_on.cmd),
	  0, &cmd_gfeatures_max_on, sizeof(cmd_gfeatures_max_on) },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_set_features_min_off_min_on[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd),
	  0, &cmd_gssetinfo, sizeof(cmd_gssetinfo) },
	{ &cmd_gstrings, sizeof(cmd_gstrings.cmd),
	  0, &cmd_gstrings, sizeof(cmd_gstrings) },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off.cmd),
	  0, &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off) },
	{ &cmd_sfeatures_min_on, sizeof(cmd_sfeatures_min_on),
	  ETHTOOL_F_WISH, 0, 0 },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_on, 4,0, &cmd_ggro_on, sizeof(cmd_ggro_on) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_min_on, sizeof(cmd_gfeatures_min_on.cmd),
	  0, &cmd_gfeatures_min_on, sizeof(cmd_gfeatures_min_on) },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_set_features_min_off_min_off[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd),
	  0, &cmd_gssetinfo, sizeof(cmd_gssetinfo) },
	{ &cmd_gstrings, sizeof(cmd_gstrings.cmd),
	  0, &cmd_gstrings, sizeof(cmd_gstrings) },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off.cmd),
	  0, &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off) },
	{ &cmd_sfeatures_min_off, sizeof(cmd_sfeatures_min_off), 0, 0, 0 },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off.cmd),
	  0, &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off) },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_set_features_min_on_min_off[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd),
	  0, &cmd_gssetinfo, sizeof(cmd_gssetinfo) },
	{ &cmd_gstrings, sizeof(cmd_gstrings.cmd),
	  0, &cmd_gstrings, sizeof(cmd_gstrings) },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_on, 4,0, &cmd_ggro_on, sizeof(cmd_ggro_on) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_min_on, sizeof(cmd_gfeatures_min_on.cmd),
	  0, &cmd_gfeatures_min_on, sizeof(cmd_gfeatures_min_on) },
	{ &cmd_sfeatures_min_off, sizeof(cmd_sfeatures_min_off), 0, 0, 0 },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off.cmd),
	  0, &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off) },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_set_features_min_off_unsup_on[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd),
	  0, &cmd_gssetinfo, sizeof(cmd_gssetinfo) },
	{ &cmd_gstrings, sizeof(cmd_gstrings.cmd),
	  0, &cmd_gstrings, sizeof(cmd_gstrings) },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off.cmd),
	  0, &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off) },
	{ &cmd_sfeatures_noop, sizeof(cmd_sfeatures_noop), 0, 0, 0 },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off.cmd),
	  0, &cmd_gfeatures_min_off, sizeof(cmd_gfeatures_min_off) },
	{ 0, 0, 0, 0, 0 }
};

static const struct cmd_expect cmd_expect_set_features_ipv4_off_many_on[] = {
	{ &cmd_gssetinfo, sizeof(cmd_gssetinfo.cmd),
	  0, &cmd_gssetinfo, sizeof(cmd_gssetinfo) },
	{ &cmd_gstrings, sizeof(cmd_gstrings.cmd),
	  0, &cmd_gstrings, sizeof(cmd_gstrings) },
	{ &cmd_grxcsum_off, 4, 0, &cmd_grxcsum_off, sizeof(cmd_grxcsum_off) },
	{ &cmd_gtxcsum_off, 4, 0, &cmd_gtxcsum_off, sizeof(cmd_gtxcsum_off) },
	{ &cmd_gsg_off, 4, 0, &cmd_gsg_off, sizeof(cmd_gsg_off) },
	{ &cmd_gtso_off, 4, 0, &cmd_gtso_off, sizeof(cmd_gtso_off) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_off, 4, 0, &cmd_ggso_off, sizeof(cmd_ggso_off) },
	{ &cmd_ggro_off, 4,0, &cmd_ggro_off, sizeof(cmd_ggro_off) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_ipv4_off, sizeof(cmd_gfeatures_ipv4_off.cmd),
	  0, &cmd_gfeatures_ipv4_off, sizeof(cmd_gfeatures_ipv4_off) },
	{ &cmd_sfeatures_ipv4_on, sizeof(cmd_sfeatures_ipv4_on), 0, 0, 0 },
	{ &cmd_grxcsum_on, 4, 0, &cmd_grxcsum_on, sizeof(cmd_grxcsum_on) },
	{ &cmd_gtxcsum_on, 4, 0, &cmd_gtxcsum_on, sizeof(cmd_gtxcsum_on) },
	{ &cmd_gsg_on, 4, 0, &cmd_gsg_on, sizeof(cmd_gsg_on) },
	{ &cmd_gtso_on, 4, 0, &cmd_gtso_on, sizeof(cmd_gtso_on) },
	{ &cmd_gufo_off, 4, 0, &cmd_gufo_off, sizeof(cmd_gufo_off) },
	{ &cmd_ggso_on, 4, 0, &cmd_ggso_on, sizeof(cmd_ggso_on) },
	{ &cmd_ggro_on, 4,0, &cmd_ggro_on, sizeof(cmd_ggro_on) },
	{ &cmd_gflags_off, 4, 0, &cmd_gflags_off, sizeof(cmd_gflags_off) },
	{ &cmd_gfeatures_ipv4_on, sizeof(cmd_gfeatures_ipv4_on.cmd),
	  0, &cmd_gfeatures_ipv4_on, sizeof(cmd_gfeatures_ipv4_on) },
	{ 0, 0, 0, 0, 0 }
};

static struct test_case {
	int rc;
	const char *args;
	const struct cmd_expect *expect;
} const test_cases[] = {
	{ 0, "-k devname", cmd_expect_get_features_off_old },
	{ 0, "-K devname rx off tx off sg off tso off ufo off gso off lro off rxvlan off txvlan off ntuple off rxhash off gro off",
	  cmd_expect_set_features_off_old },
	{ 0, "-K devname rx on tx on sg on tso on ufo on gso on lro on rxvlan on txvlan on ntuple on rxhash on gro on",
	  cmd_expect_set_features_on_old },
	{ 1, "-K devname tx on sg on", cmd_expect_set_features_unsup_on_old },
	{ 0, "--show-offload devname", cmd_expect_get_features_min_off },
	{ 0, "--show-features devname", cmd_expect_get_features_max_on },
	{ 0, "-K devname rx on tx on sg on tso on ufo on gso on gro on",
	  cmd_expect_set_features_min_off_min_on },
	{ 0, "-K devname rx off tx off sg off tso off ufo off gso off gro off",
	  cmd_expect_set_features_min_off_min_off },
	{ 0, "-K devname rx off tx off sg off tso off ufo off gso off gro off",
	  cmd_expect_set_features_min_on_min_off },
	{ 1, "-K devname tx on sg on",
	  cmd_expect_set_features_min_off_unsup_on },
	{ 0, "--features devname rx on tx on sg on tso on gso on gro on",
	  cmd_expect_set_features_ipv4_off_many_on },
	{ 1, "-K devname rx foo", cmd_expect_get_strings_old },
	{ 1, "-K devname rx foo", cmd_expect_get_strings },
	{ 1, "--offload devname rx", cmd_expect_get_strings_old },
	{ 1, "--features devname rx", cmd_expect_get_strings },
	{ 1, "--features devname foo on", cmd_expect_get_strings_old },
	{ 1, "--offload devname foo on", cmd_expect_get_strings },
};

static int expect_matched;
static const struct cmd_expect *expect_next;

int send_ioctl(struct cmd_context *ctx, void *cmd)
{
	int rc = test_ioctl(expect_next, cmd);

	if (rc == TEST_IOCTL_MISMATCH) {
		expect_matched = 0;
		test_exit(0);
	}
	expect_next++;
	return rc;
}

int main(void)
{
	const struct test_case *tc;
	int test_rc;
	int rc = 0;

	for (tc = test_cases; tc < test_cases + ARRAY_SIZE(test_cases); tc++) {
		if (getenv("ETHTOOL_TEST_VERBOSE"))
			printf("I: Test command line: ethtool %s\n", tc->args);
		expect_matched = 1;
		expect_next = tc->expect;
		test_rc = test_cmdline(tc->args);

		/* If we found a mismatch, or there is still another
		 * expected ioctl to match, the test failed.
		 */
		if (!expect_matched || expect_next->cmd) {
			fprintf(stderr,
				"E: ethtool %s deviated from the expected "
				"ioctl sequence after %zu calls\n",
				tc->args, expect_next - tc->expect);
			rc = 1;
		} else if (test_rc != tc->rc) {
			fprintf(stderr, "E: ethtool %s returns %d\n",
				tc->args, test_rc);
			rc = 1;
		}
	}

	return rc;
}