linux-headers (unknown)

(root)/
include/
linux/
ethtool.h
       1  /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
       2  /*
       3   * ethtool.h: Defines for Linux ethtool.
       4   *
       5   * Copyright (C) 1998 David S. Miller (davem@redhat.com)
       6   * Copyright 2001 Jeff Garzik <jgarzik@pobox.com>
       7   * Portions Copyright 2001 Sun Microsystems (thockin@sun.com)
       8   * Portions Copyright 2002 Intel (eli.kupermann@intel.com,
       9   *                                christopher.leech@intel.com,
      10   *                                scott.feldman@intel.com)
      11   * Portions Copyright (C) Sun Microsystems 2008
      12   */
      13  
      14  #ifndef _LINUX_ETHTOOL_H
      15  #define _LINUX_ETHTOOL_H
      16  
      17  #include <linux/const.h>
      18  #include <linux/types.h>
      19  #include <linux/if_ether.h>
      20  
      21  #include <limits.h> /* for INT_MAX */
      22  
      23  /* All structures exposed to userland should be defined such that they
      24   * have the same layout for 32-bit and 64-bit userland.
      25   */
      26  
      27  /* Note on reserved space.
      28   * Reserved fields must not be accessed directly by user space because
      29   * they may be replaced by a different field in the future. They must
      30   * be initialized to zero before making the request, e.g. via memset
      31   * of the entire structure or implicitly by not being set in a structure
      32   * initializer.
      33   */
      34  
      35  /**
      36   * struct ethtool_cmd - DEPRECATED, link control and status
      37   * This structure is DEPRECATED, please use struct ethtool_link_settings.
      38   * @cmd: Command number = %ETHTOOL_GSET or %ETHTOOL_SSET
      39   * @supported: Bitmask of %SUPPORTED_* flags for the link modes,
      40   *	physical connectors and other link features for which the
      41   *	interface supports autonegotiation or auto-detection.
      42   *	Read-only.
      43   * @advertising: Bitmask of %ADVERTISED_* flags for the link modes,
      44   *	physical connectors and other link features that are
      45   *	advertised through autonegotiation or enabled for
      46   *	auto-detection.
      47   * @speed: Low bits of the speed, 1Mb units, 0 to INT_MAX or SPEED_UNKNOWN
      48   * @duplex: Duplex mode; one of %DUPLEX_*
      49   * @port: Physical connector type; one of %PORT_*
      50   * @phy_address: MDIO address of PHY (transceiver); 0 or 255 if not
      51   *	applicable.  For clause 45 PHYs this is the PRTAD.
      52   * @transceiver: Historically used to distinguish different possible
      53   *	PHY types, but not in a consistent way.  Deprecated.
      54   * @autoneg: Enable/disable autonegotiation and auto-detection;
      55   *	either %AUTONEG_DISABLE or %AUTONEG_ENABLE
      56   * @mdio_support: Bitmask of %ETH_MDIO_SUPPORTS_* flags for the MDIO
      57   *	protocols supported by the interface; 0 if unknown.
      58   *	Read-only.
      59   * @maxtxpkt: Historically used to report TX IRQ coalescing; now
      60   *	obsoleted by &struct ethtool_coalesce.  Read-only; deprecated.
      61   * @maxrxpkt: Historically used to report RX IRQ coalescing; now
      62   *	obsoleted by &struct ethtool_coalesce.  Read-only; deprecated.
      63   * @speed_hi: High bits of the speed, 1Mb units, 0 to INT_MAX or SPEED_UNKNOWN
      64   * @eth_tp_mdix: Ethernet twisted-pair MDI(-X) status; one of
      65   *	%ETH_TP_MDI_*.  If the status is unknown or not applicable, the
      66   *	value will be %ETH_TP_MDI_INVALID.  Read-only.
      67   * @eth_tp_mdix_ctrl: Ethernet twisted pair MDI(-X) control; one of
      68   *	%ETH_TP_MDI_*.  If MDI(-X) control is not implemented, reads
      69   *	yield %ETH_TP_MDI_INVALID and writes may be ignored or rejected.
      70   *	When written successfully, the link should be renegotiated if
      71   *	necessary.
      72   * @lp_advertising: Bitmask of %ADVERTISED_* flags for the link modes
      73   *	and other link features that the link partner advertised
      74   *	through autonegotiation; 0 if unknown or not applicable.
      75   *	Read-only.
      76   * @reserved: Reserved for future use; see the note on reserved space.
      77   *
      78   * The link speed in Mbps is split between @speed and @speed_hi.  Use
      79   * the ethtool_cmd_speed() and ethtool_cmd_speed_set() functions to
      80   * access it.
      81   *
      82   * If autonegotiation is disabled, the speed and @duplex represent the
      83   * fixed link mode and are writable if the driver supports multiple
      84   * link modes.  If it is enabled then they are read-only; if the link
      85   * is up they represent the negotiated link mode; if the link is down,
      86   * the speed is 0, %SPEED_UNKNOWN or the highest enabled speed and
      87   * @duplex is %DUPLEX_UNKNOWN or the best enabled duplex mode.
      88   *
      89   * Some hardware interfaces may have multiple PHYs and/or physical
      90   * connectors fitted or do not allow the driver to detect which are
      91   * fitted.  For these interfaces @port and/or @phy_address may be
      92   * writable, possibly dependent on @autoneg being %AUTONEG_DISABLE.
      93   * Otherwise, attempts to write different values may be ignored or
      94   * rejected.
      95   *
      96   * Users should assume that all fields not marked read-only are
      97   * writable and subject to validation by the driver.  They should use
      98   * %ETHTOOL_GSET to get the current values before making specific
      99   * changes and then applying them with %ETHTOOL_SSET.
     100   *
     101   * Deprecated fields should be ignored by both users and drivers.
     102   */
     103  struct ethtool_cmd {
     104  	__u32	cmd;
     105  	__u32	supported;
     106  	__u32	advertising;
     107  	__u16	speed;
     108  	__u8	duplex;
     109  	__u8	port;
     110  	__u8	phy_address;
     111  	__u8	transceiver;
     112  	__u8	autoneg;
     113  	__u8	mdio_support;
     114  	__u32	maxtxpkt;
     115  	__u32	maxrxpkt;
     116  	__u16	speed_hi;
     117  	__u8	eth_tp_mdix;
     118  	__u8	eth_tp_mdix_ctrl;
     119  	__u32	lp_advertising;
     120  	__u32	reserved[2];
     121  };
     122  
     123  static __inline__ void ethtool_cmd_speed_set(struct ethtool_cmd *ep,
     124  					 __u32 speed)
     125  {
     126  	ep->speed = (__u16)(speed & 0xFFFF);
     127  	ep->speed_hi = (__u16)(speed >> 16);
     128  }
     129  
     130  static __inline__ __u32 ethtool_cmd_speed(const struct ethtool_cmd *ep)
     131  {
     132  	return (ep->speed_hi << 16) | ep->speed;
     133  }
     134  
     135  /* Device supports clause 22 register access to PHY or peripherals
     136   * using the interface defined in <linux/mii.h>.  This should not be
     137   * set if there are known to be no such peripherals present or if
     138   * the driver only emulates clause 22 registers for compatibility.
     139   */
     140  #define ETH_MDIO_SUPPORTS_C22	1
     141  
     142  /* Device supports clause 45 register access to PHY or peripherals
     143   * using the interface defined in <linux/mii.h> and <linux/mdio.h>.
     144   * This should not be set if there are known to be no such peripherals
     145   * present.
     146   */
     147  #define ETH_MDIO_SUPPORTS_C45	2
     148  
     149  #define ETHTOOL_FWVERS_LEN	32
     150  #define ETHTOOL_BUSINFO_LEN	32
     151  #define ETHTOOL_EROMVERS_LEN	32
     152  
     153  /**
     154   * struct ethtool_drvinfo - general driver and device information
     155   * @cmd: Command number = %ETHTOOL_GDRVINFO
     156   * @driver: Driver short name.  This should normally match the name
     157   *	in its bus driver structure (e.g. pci_driver::name).  Must
     158   *	not be an empty string.
     159   * @version: Driver version string; may be an empty string
     160   * @fw_version: Firmware version string; driver defined; may be an
     161   *	empty string
     162   * @erom_version: Expansion ROM version string; driver defined; may be
     163   *	an empty string
     164   * @bus_info: Device bus address.  This should match the dev_name()
     165   *	string for the underlying bus device, if there is one.  May be
     166   *	an empty string.
     167   * @reserved2: Reserved for future use; see the note on reserved space.
     168   * @n_priv_flags: Number of flags valid for %ETHTOOL_GPFLAGS and
     169   *	%ETHTOOL_SPFLAGS commands; also the number of strings in the
     170   *	%ETH_SS_PRIV_FLAGS set
     171   * @n_stats: Number of u64 statistics returned by the %ETHTOOL_GSTATS
     172   *	command; also the number of strings in the %ETH_SS_STATS set
     173   * @testinfo_len: Number of results returned by the %ETHTOOL_TEST
     174   *	command; also the number of strings in the %ETH_SS_TEST set
     175   * @eedump_len: Size of EEPROM accessible through the %ETHTOOL_GEEPROM
     176   *	and %ETHTOOL_SEEPROM commands, in bytes
     177   * @regdump_len: Size of register dump returned by the %ETHTOOL_GREGS
     178   *	command, in bytes
     179   *
     180   * Users can use the %ETHTOOL_GSSET_INFO command to get the number of
     181   * strings in any string set (from Linux 2.6.34).
     182   */
     183  struct ethtool_drvinfo {
     184  	__u32	cmd;
     185  	char	driver[32];
     186  	char	version[32];
     187  	char	fw_version[ETHTOOL_FWVERS_LEN];
     188  	char	bus_info[ETHTOOL_BUSINFO_LEN];
     189  	char	erom_version[ETHTOOL_EROMVERS_LEN];
     190  	char	reserved2[12];
     191  	__u32	n_priv_flags;
     192  	__u32	n_stats;
     193  	__u32	testinfo_len;
     194  	__u32	eedump_len;
     195  	__u32	regdump_len;
     196  };
     197  
     198  #define SOPASS_MAX	6
     199  
     200  /**
     201   * struct ethtool_wolinfo - Wake-On-Lan configuration
     202   * @cmd: Command number = %ETHTOOL_GWOL or %ETHTOOL_SWOL
     203   * @supported: Bitmask of %WAKE_* flags for supported Wake-On-Lan modes.
     204   *	Read-only.
     205   * @wolopts: Bitmask of %WAKE_* flags for enabled Wake-On-Lan modes.
     206   * @sopass: SecureOn(tm) password; meaningful only if %WAKE_MAGICSECURE
     207   *	is set in @wolopts.
     208   */
     209  struct ethtool_wolinfo {
     210  	__u32	cmd;
     211  	__u32	supported;
     212  	__u32	wolopts;
     213  	__u8	sopass[SOPASS_MAX];
     214  };
     215  
     216  /* for passing single values */
     217  struct ethtool_value {
     218  	__u32	cmd;
     219  	__u32	data;
     220  };
     221  
     222  #define PFC_STORM_PREVENTION_AUTO	0xffff
     223  #define PFC_STORM_PREVENTION_DISABLE	0
     224  
     225  enum tunable_id {
     226  	ETHTOOL_ID_UNSPEC,
     227  	ETHTOOL_RX_COPYBREAK,
     228  	ETHTOOL_TX_COPYBREAK,
     229  	ETHTOOL_PFC_PREVENTION_TOUT, /* timeout in msecs */
     230  	ETHTOOL_TX_COPYBREAK_BUF_SIZE,
     231  	/*
     232  	 * Add your fresh new tunable attribute above and remember to update
     233  	 * tunable_strings[] in net/ethtool/common.c
     234  	 */
     235  	__ETHTOOL_TUNABLE_COUNT,
     236  };
     237  
     238  enum tunable_type_id {
     239  	ETHTOOL_TUNABLE_UNSPEC,
     240  	ETHTOOL_TUNABLE_U8,
     241  	ETHTOOL_TUNABLE_U16,
     242  	ETHTOOL_TUNABLE_U32,
     243  	ETHTOOL_TUNABLE_U64,
     244  	ETHTOOL_TUNABLE_STRING,
     245  	ETHTOOL_TUNABLE_S8,
     246  	ETHTOOL_TUNABLE_S16,
     247  	ETHTOOL_TUNABLE_S32,
     248  	ETHTOOL_TUNABLE_S64,
     249  };
     250  
     251  struct ethtool_tunable {
     252  	__u32	cmd;
     253  	__u32	id;
     254  	__u32	type_id;
     255  	__u32	len;
     256  	void	*data[];
     257  };
     258  
     259  #define DOWNSHIFT_DEV_DEFAULT_COUNT	0xff
     260  #define DOWNSHIFT_DEV_DISABLE		0
     261  
     262  /* Time in msecs after which link is reported as down
     263   * 0 = lowest time supported by the PHY
     264   * 0xff = off, link down detection according to standard
     265   */
     266  #define ETHTOOL_PHY_FAST_LINK_DOWN_ON	0
     267  #define ETHTOOL_PHY_FAST_LINK_DOWN_OFF	0xff
     268  
     269  /* Energy Detect Power Down (EDPD) is a feature supported by some PHYs, where
     270   * the PHY's RX & TX blocks are put into a low-power mode when there is no
     271   * link detected (typically cable is un-plugged). For RX, only a minimal
     272   * link-detection is available, and for TX the PHY wakes up to send link pulses
     273   * to avoid any lock-ups in case the peer PHY may also be running in EDPD mode.
     274   *
     275   * Some PHYs may support configuration of the wake-up interval for TX pulses,
     276   * and some PHYs may support only disabling TX pulses entirely. For the latter
     277   * a special value is required (ETHTOOL_PHY_EDPD_NO_TX) so that this can be
     278   * configured from userspace (should the user want it).
     279   *
     280   * The interval units for TX wake-up are in milliseconds, since this should
     281   * cover a reasonable range of intervals:
     282   *  - from 1 millisecond, which does not sound like much of a power-saver
     283   *  - to ~65 seconds which is quite a lot to wait for a link to come up when
     284   *    plugging a cable
     285   */
     286  #define ETHTOOL_PHY_EDPD_DFLT_TX_MSECS		0xffff
     287  #define ETHTOOL_PHY_EDPD_NO_TX			0xfffe
     288  #define ETHTOOL_PHY_EDPD_DISABLE		0
     289  
     290  enum phy_tunable_id {
     291  	ETHTOOL_PHY_ID_UNSPEC,
     292  	ETHTOOL_PHY_DOWNSHIFT,
     293  	ETHTOOL_PHY_FAST_LINK_DOWN,
     294  	ETHTOOL_PHY_EDPD,
     295  	/*
     296  	 * Add your fresh new phy tunable attribute above and remember to update
     297  	 * phy_tunable_strings[] in net/ethtool/common.c
     298  	 */
     299  	__ETHTOOL_PHY_TUNABLE_COUNT,
     300  };
     301  
     302  /**
     303   * struct ethtool_regs - hardware register dump
     304   * @cmd: Command number = %ETHTOOL_GREGS
     305   * @version: Dump format version.  This is driver-specific and may
     306   *	distinguish different chips/revisions.  Drivers must use new
     307   *	version numbers whenever the dump format changes in an
     308   *	incompatible way.
     309   * @len: On entry, the real length of @data.  On return, the number of
     310   *	bytes used.
     311   * @data: Buffer for the register dump
     312   *
     313   * Users should use %ETHTOOL_GDRVINFO to find the maximum length of
     314   * a register dump for the interface.  They must allocate the buffer
     315   * immediately following this structure.
     316   */
     317  struct ethtool_regs {
     318  	__u32	cmd;
     319  	__u32	version;
     320  	__u32	len;
     321  	__u8	data[];
     322  };
     323  
     324  /**
     325   * struct ethtool_eeprom - EEPROM dump
     326   * @cmd: Command number = %ETHTOOL_GEEPROM, %ETHTOOL_GMODULEEEPROM or
     327   *	%ETHTOOL_SEEPROM
     328   * @magic: A 'magic cookie' value to guard against accidental changes.
     329   *	The value passed in to %ETHTOOL_SEEPROM must match the value
     330   *	returned by %ETHTOOL_GEEPROM for the same device.  This is
     331   *	unused when @cmd is %ETHTOOL_GMODULEEEPROM.
     332   * @offset: Offset within the EEPROM to begin reading/writing, in bytes
     333   * @len: On entry, number of bytes to read/write.  On successful
     334   *	return, number of bytes actually read/written.  In case of
     335   *	error, this may indicate at what point the error occurred.
     336   * @data: Buffer to read/write from
     337   *
     338   * Users may use %ETHTOOL_GDRVINFO or %ETHTOOL_GMODULEINFO to find
     339   * the length of an on-board or module EEPROM, respectively.  They
     340   * must allocate the buffer immediately following this structure.
     341   */
     342  struct ethtool_eeprom {
     343  	__u32	cmd;
     344  	__u32	magic;
     345  	__u32	offset;
     346  	__u32	len;
     347  	__u8	data[];
     348  };
     349  
     350  /**
     351   * struct ethtool_eee - Energy Efficient Ethernet information
     352   * @cmd: ETHTOOL_{G,S}EEE
     353   * @supported: Mask of %SUPPORTED_* flags for the speed/duplex combinations
     354   *	for which there is EEE support.
     355   * @advertised: Mask of %ADVERTISED_* flags for the speed/duplex combinations
     356   *	advertised as eee capable.
     357   * @lp_advertised: Mask of %ADVERTISED_* flags for the speed/duplex
     358   *	combinations advertised by the link partner as eee capable.
     359   * @eee_active: Result of the eee auto negotiation.
     360   * @eee_enabled: EEE configured mode (enabled/disabled).
     361   * @tx_lpi_enabled: Whether the interface should assert its tx lpi, given
     362   *	that eee was negotiated.
     363   * @tx_lpi_timer: Time in microseconds the interface delays prior to asserting
     364   *	its tx lpi (after reaching 'idle' state). Effective only when eee
     365   *	was negotiated and tx_lpi_enabled was set.
     366   * @reserved: Reserved for future use; see the note on reserved space.
     367   */
     368  struct ethtool_eee {
     369  	__u32	cmd;
     370  	__u32	supported;
     371  	__u32	advertised;
     372  	__u32	lp_advertised;
     373  	__u32	eee_active;
     374  	__u32	eee_enabled;
     375  	__u32	tx_lpi_enabled;
     376  	__u32	tx_lpi_timer;
     377  	__u32	reserved[2];
     378  };
     379  
     380  /**
     381   * struct ethtool_modinfo - plugin module eeprom information
     382   * @cmd: %ETHTOOL_GMODULEINFO
     383   * @type: Standard the module information conforms to %ETH_MODULE_SFF_xxxx
     384   * @eeprom_len: Length of the eeprom
     385   * @reserved: Reserved for future use; see the note on reserved space.
     386   *
     387   * This structure is used to return the information to
     388   * properly size memory for a subsequent call to %ETHTOOL_GMODULEEEPROM.
     389   * The type code indicates the eeprom data format
     390   */
     391  struct ethtool_modinfo {
     392  	__u32   cmd;
     393  	__u32   type;
     394  	__u32   eeprom_len;
     395  	__u32   reserved[8];
     396  };
     397  
     398  /**
     399   * struct ethtool_coalesce - coalescing parameters for IRQs and stats updates
     400   * @cmd: ETHTOOL_{G,S}COALESCE
     401   * @rx_coalesce_usecs: How many usecs to delay an RX interrupt after
     402   *	a packet arrives.
     403   * @rx_max_coalesced_frames: Maximum number of packets to receive
     404   *	before an RX interrupt.
     405   * @rx_coalesce_usecs_irq: Same as @rx_coalesce_usecs, except that
     406   *	this value applies while an IRQ is being serviced by the host.
     407   * @rx_max_coalesced_frames_irq: Same as @rx_max_coalesced_frames,
     408   *	except that this value applies while an IRQ is being serviced
     409   *	by the host.
     410   * @tx_coalesce_usecs: How many usecs to delay a TX interrupt after
     411   *	a packet is sent.
     412   * @tx_max_coalesced_frames: Maximum number of packets to be sent
     413   *	before a TX interrupt.
     414   * @tx_coalesce_usecs_irq: Same as @tx_coalesce_usecs, except that
     415   *	this value applies while an IRQ is being serviced by the host.
     416   * @tx_max_coalesced_frames_irq: Same as @tx_max_coalesced_frames,
     417   *	except that this value applies while an IRQ is being serviced
     418   *	by the host.
     419   * @stats_block_coalesce_usecs: How many usecs to delay in-memory
     420   *	statistics block updates.  Some drivers do not have an
     421   *	in-memory statistic block, and in such cases this value is
     422   *	ignored.  This value must not be zero.
     423   * @use_adaptive_rx_coalesce: Enable adaptive RX coalescing.
     424   * @use_adaptive_tx_coalesce: Enable adaptive TX coalescing.
     425   * @pkt_rate_low: Threshold for low packet rate (packets per second).
     426   * @rx_coalesce_usecs_low: How many usecs to delay an RX interrupt after
     427   *	a packet arrives, when the packet rate is below @pkt_rate_low.
     428   * @rx_max_coalesced_frames_low: Maximum number of packets to be received
     429   *	before an RX interrupt, when the packet rate is below @pkt_rate_low.
     430   * @tx_coalesce_usecs_low: How many usecs to delay a TX interrupt after
     431   *	a packet is sent, when the packet rate is below @pkt_rate_low.
     432   * @tx_max_coalesced_frames_low: Maximum nuumber of packets to be sent before
     433   *	a TX interrupt, when the packet rate is below @pkt_rate_low.
     434   * @pkt_rate_high: Threshold for high packet rate (packets per second).
     435   * @rx_coalesce_usecs_high: How many usecs to delay an RX interrupt after
     436   *	a packet arrives, when the packet rate is above @pkt_rate_high.
     437   * @rx_max_coalesced_frames_high: Maximum number of packets to be received
     438   *	before an RX interrupt, when the packet rate is above @pkt_rate_high.
     439   * @tx_coalesce_usecs_high: How many usecs to delay a TX interrupt after
     440   *	a packet is sent, when the packet rate is above @pkt_rate_high.
     441   * @tx_max_coalesced_frames_high: Maximum number of packets to be sent before
     442   *	a TX interrupt, when the packet rate is above @pkt_rate_high.
     443   * @rate_sample_interval: How often to do adaptive coalescing packet rate
     444   *	sampling, measured in seconds.  Must not be zero.
     445   *
     446   * Each pair of (usecs, max_frames) fields specifies that interrupts
     447   * should be coalesced until
     448   *	(usecs > 0 && time_since_first_completion >= usecs) ||
     449   *	(max_frames > 0 && completed_frames >= max_frames)
     450   *
     451   * It is illegal to set both usecs and max_frames to zero as this
     452   * would cause interrupts to never be generated.  To disable
     453   * coalescing, set usecs = 0 and max_frames = 1.
     454   *
     455   * Some implementations ignore the value of max_frames and use the
     456   * condition time_since_first_completion >= usecs
     457   *
     458   * This is deprecated.  Drivers for hardware that does not support
     459   * counting completions should validate that max_frames == !rx_usecs.
     460   *
     461   * Adaptive RX/TX coalescing is an algorithm implemented by some
     462   * drivers to improve latency under low packet rates and improve
     463   * throughput under high packet rates.  Some drivers only implement
     464   * one of RX or TX adaptive coalescing.  Anything not implemented by
     465   * the driver causes these values to be silently ignored.
     466   *
     467   * When the packet rate is below @pkt_rate_high but above
     468   * @pkt_rate_low (both measured in packets per second) the
     469   * normal {rx,tx}_* coalescing parameters are used.
     470   */
     471  struct ethtool_coalesce {
     472  	__u32	cmd;
     473  	__u32	rx_coalesce_usecs;
     474  	__u32	rx_max_coalesced_frames;
     475  	__u32	rx_coalesce_usecs_irq;
     476  	__u32	rx_max_coalesced_frames_irq;
     477  	__u32	tx_coalesce_usecs;
     478  	__u32	tx_max_coalesced_frames;
     479  	__u32	tx_coalesce_usecs_irq;
     480  	__u32	tx_max_coalesced_frames_irq;
     481  	__u32	stats_block_coalesce_usecs;
     482  	__u32	use_adaptive_rx_coalesce;
     483  	__u32	use_adaptive_tx_coalesce;
     484  	__u32	pkt_rate_low;
     485  	__u32	rx_coalesce_usecs_low;
     486  	__u32	rx_max_coalesced_frames_low;
     487  	__u32	tx_coalesce_usecs_low;
     488  	__u32	tx_max_coalesced_frames_low;
     489  	__u32	pkt_rate_high;
     490  	__u32	rx_coalesce_usecs_high;
     491  	__u32	rx_max_coalesced_frames_high;
     492  	__u32	tx_coalesce_usecs_high;
     493  	__u32	tx_max_coalesced_frames_high;
     494  	__u32	rate_sample_interval;
     495  };
     496  
     497  /**
     498   * struct ethtool_ringparam - RX/TX ring parameters
     499   * @cmd: Command number = %ETHTOOL_GRINGPARAM or %ETHTOOL_SRINGPARAM
     500   * @rx_max_pending: Maximum supported number of pending entries per
     501   *	RX ring.  Read-only.
     502   * @rx_mini_max_pending: Maximum supported number of pending entries
     503   *	per RX mini ring.  Read-only.
     504   * @rx_jumbo_max_pending: Maximum supported number of pending entries
     505   *	per RX jumbo ring.  Read-only.
     506   * @tx_max_pending: Maximum supported number of pending entries per
     507   *	TX ring.  Read-only.
     508   * @rx_pending: Current maximum number of pending entries per RX ring
     509   * @rx_mini_pending: Current maximum number of pending entries per RX
     510   *	mini ring
     511   * @rx_jumbo_pending: Current maximum number of pending entries per RX
     512   *	jumbo ring
     513   * @tx_pending: Current maximum supported number of pending entries
     514   *	per TX ring
     515   *
     516   * If the interface does not have separate RX mini and/or jumbo rings,
     517   * @rx_mini_max_pending and/or @rx_jumbo_max_pending will be 0.
     518   *
     519   * There may also be driver-dependent minimum values for the number
     520   * of entries per ring.
     521   */
     522  struct ethtool_ringparam {
     523  	__u32	cmd;
     524  	__u32	rx_max_pending;
     525  	__u32	rx_mini_max_pending;
     526  	__u32	rx_jumbo_max_pending;
     527  	__u32	tx_max_pending;
     528  	__u32	rx_pending;
     529  	__u32	rx_mini_pending;
     530  	__u32	rx_jumbo_pending;
     531  	__u32	tx_pending;
     532  };
     533  
     534  /**
     535   * struct ethtool_channels - configuring number of network channel
     536   * @cmd: ETHTOOL_{G,S}CHANNELS
     537   * @max_rx: Read only. Maximum number of receive channel the driver support.
     538   * @max_tx: Read only. Maximum number of transmit channel the driver support.
     539   * @max_other: Read only. Maximum number of other channel the driver support.
     540   * @max_combined: Read only. Maximum number of combined channel the driver
     541   *	support. Set of queues RX, TX or other.
     542   * @rx_count: Valid values are in the range 1 to the max_rx.
     543   * @tx_count: Valid values are in the range 1 to the max_tx.
     544   * @other_count: Valid values are in the range 1 to the max_other.
     545   * @combined_count: Valid values are in the range 1 to the max_combined.
     546   *
     547   * This can be used to configure RX, TX and other channels.
     548   */
     549  
     550  struct ethtool_channels {
     551  	__u32	cmd;
     552  	__u32	max_rx;
     553  	__u32	max_tx;
     554  	__u32	max_other;
     555  	__u32	max_combined;
     556  	__u32	rx_count;
     557  	__u32	tx_count;
     558  	__u32	other_count;
     559  	__u32	combined_count;
     560  };
     561  
     562  /**
     563   * struct ethtool_pauseparam - Ethernet pause (flow control) parameters
     564   * @cmd: Command number = %ETHTOOL_GPAUSEPARAM or %ETHTOOL_SPAUSEPARAM
     565   * @autoneg: Flag to enable autonegotiation of pause frame use
     566   * @rx_pause: Flag to enable reception of pause frames
     567   * @tx_pause: Flag to enable transmission of pause frames
     568   *
     569   * Drivers should reject a non-zero setting of @autoneg when
     570   * autoneogotiation is disabled (or not supported) for the link.
     571   *
     572   * If the link is autonegotiated, drivers should use
     573   * mii_advertise_flowctrl() or similar code to set the advertised
     574   * pause frame capabilities based on the @rx_pause and @tx_pause flags,
     575   * even if @autoneg is zero.  They should also allow the advertised
     576   * pause frame capabilities to be controlled directly through the
     577   * advertising field of &struct ethtool_cmd.
     578   *
     579   * If @autoneg is non-zero, the MAC is configured to send and/or
     580   * receive pause frames according to the result of autonegotiation.
     581   * Otherwise, it is configured directly based on the @rx_pause and
     582   * @tx_pause flags.
     583   */
     584  struct ethtool_pauseparam {
     585  	__u32	cmd;
     586  	__u32	autoneg;
     587  	__u32	rx_pause;
     588  	__u32	tx_pause;
     589  };
     590  
     591  /* Link extended state */
     592  enum ethtool_link_ext_state {
     593  	ETHTOOL_LINK_EXT_STATE_AUTONEG,
     594  	ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE,
     595  	ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH,
     596  	ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY,
     597  	ETHTOOL_LINK_EXT_STATE_NO_CABLE,
     598  	ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE,
     599  	ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE,
     600  	ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE,
     601  	ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED,
     602  	ETHTOOL_LINK_EXT_STATE_OVERHEAT,
     603  	ETHTOOL_LINK_EXT_STATE_MODULE,
     604  };
     605  
     606  /* More information in addition to ETHTOOL_LINK_EXT_STATE_AUTONEG. */
     607  enum ethtool_link_ext_substate_autoneg {
     608  	ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED = 1,
     609  	ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED,
     610  	ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED,
     611  	ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE,
     612  	ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE,
     613  	ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD,
     614  };
     615  
     616  /* More information in addition to ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE.
     617   */
     618  enum ethtool_link_ext_substate_link_training {
     619  	ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED = 1,
     620  	ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT,
     621  	ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY,
     622  	ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT,
     623  };
     624  
     625  /* More information in addition to ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH.
     626   */
     627  enum ethtool_link_ext_substate_link_logical_mismatch {
     628  	ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK = 1,
     629  	ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK,
     630  	ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS,
     631  	ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED,
     632  	ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED,
     633  };
     634  
     635  /* More information in addition to ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY.
     636   */
     637  enum ethtool_link_ext_substate_bad_signal_integrity {
     638  	ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS = 1,
     639  	ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE,
     640  	ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_REFERENCE_CLOCK_LOST,
     641  	ETHTOOL_LINK_EXT_SUBSTATE_BSI_SERDES_ALOS,
     642  };
     643  
     644  /* More information in addition to ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE. */
     645  enum ethtool_link_ext_substate_cable_issue {
     646  	ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE = 1,
     647  	ETHTOOL_LINK_EXT_SUBSTATE_CI_CABLE_TEST_FAILURE,
     648  };
     649  
     650  /* More information in addition to ETHTOOL_LINK_EXT_STATE_MODULE. */
     651  enum ethtool_link_ext_substate_module {
     652  	ETHTOOL_LINK_EXT_SUBSTATE_MODULE_CMIS_NOT_READY = 1,
     653  };
     654  
     655  #define ETH_GSTRING_LEN		32
     656  
     657  /**
     658   * enum ethtool_stringset - string set ID
     659   * @ETH_SS_TEST: Self-test result names, for use with %ETHTOOL_TEST
     660   * @ETH_SS_STATS: Statistic names, for use with %ETHTOOL_GSTATS
     661   * @ETH_SS_PRIV_FLAGS: Driver private flag names, for use with
     662   *	%ETHTOOL_GPFLAGS and %ETHTOOL_SPFLAGS
     663   * @ETH_SS_NTUPLE_FILTERS: Previously used with %ETHTOOL_GRXNTUPLE;
     664   *	now deprecated
     665   * @ETH_SS_FEATURES: Device feature names
     666   * @ETH_SS_RSS_HASH_FUNCS: RSS hush function names
     667   * @ETH_SS_TUNABLES: tunable names
     668   * @ETH_SS_PHY_STATS: Statistic names, for use with %ETHTOOL_GPHYSTATS
     669   * @ETH_SS_PHY_TUNABLES: PHY tunable names
     670   * @ETH_SS_LINK_MODES: link mode names
     671   * @ETH_SS_MSG_CLASSES: debug message class names
     672   * @ETH_SS_WOL_MODES: wake-on-lan modes
     673   * @ETH_SS_SOF_TIMESTAMPING: SOF_TIMESTAMPING_* flags
     674   * @ETH_SS_TS_TX_TYPES: timestamping Tx types
     675   * @ETH_SS_TS_RX_FILTERS: timestamping Rx filters
     676   * @ETH_SS_UDP_TUNNEL_TYPES: UDP tunnel types
     677   * @ETH_SS_STATS_STD: standardized stats
     678   * @ETH_SS_STATS_ETH_PHY: names of IEEE 802.3 PHY statistics
     679   * @ETH_SS_STATS_ETH_MAC: names of IEEE 802.3 MAC statistics
     680   * @ETH_SS_STATS_ETH_CTRL: names of IEEE 802.3 MAC Control statistics
     681   * @ETH_SS_STATS_RMON: names of RMON statistics
     682   *
     683   * @ETH_SS_COUNT: number of defined string sets
     684   */
     685  enum ethtool_stringset {
     686  	ETH_SS_TEST		= 0,
     687  	ETH_SS_STATS,
     688  	ETH_SS_PRIV_FLAGS,
     689  	ETH_SS_NTUPLE_FILTERS,
     690  	ETH_SS_FEATURES,
     691  	ETH_SS_RSS_HASH_FUNCS,
     692  	ETH_SS_TUNABLES,
     693  	ETH_SS_PHY_STATS,
     694  	ETH_SS_PHY_TUNABLES,
     695  	ETH_SS_LINK_MODES,
     696  	ETH_SS_MSG_CLASSES,
     697  	ETH_SS_WOL_MODES,
     698  	ETH_SS_SOF_TIMESTAMPING,
     699  	ETH_SS_TS_TX_TYPES,
     700  	ETH_SS_TS_RX_FILTERS,
     701  	ETH_SS_UDP_TUNNEL_TYPES,
     702  	ETH_SS_STATS_STD,
     703  	ETH_SS_STATS_ETH_PHY,
     704  	ETH_SS_STATS_ETH_MAC,
     705  	ETH_SS_STATS_ETH_CTRL,
     706  	ETH_SS_STATS_RMON,
     707  
     708  	/* add new constants above here */
     709  	ETH_SS_COUNT
     710  };
     711  
     712  /**
     713   * enum ethtool_mac_stats_src - source of ethtool MAC statistics
     714   * @ETHTOOL_MAC_STATS_SRC_AGGREGATE:
     715   *	if device supports a MAC merge layer, this retrieves the aggregate
     716   *	statistics of the eMAC and pMAC. Otherwise, it retrieves just the
     717   *	statistics of the single (express) MAC.
     718   * @ETHTOOL_MAC_STATS_SRC_EMAC:
     719   *	if device supports a MM layer, this retrieves the eMAC statistics.
     720   *	Otherwise, it retrieves the statistics of the single (express) MAC.
     721   * @ETHTOOL_MAC_STATS_SRC_PMAC:
     722   *	if device supports a MM layer, this retrieves the pMAC statistics.
     723   */
     724  enum ethtool_mac_stats_src {
     725  	ETHTOOL_MAC_STATS_SRC_AGGREGATE,
     726  	ETHTOOL_MAC_STATS_SRC_EMAC,
     727  	ETHTOOL_MAC_STATS_SRC_PMAC,
     728  };
     729  
     730  /**
     731   * enum ethtool_module_power_mode_policy - plug-in module power mode policy
     732   * @ETHTOOL_MODULE_POWER_MODE_POLICY_HIGH: Module is always in high power mode.
     733   * @ETHTOOL_MODULE_POWER_MODE_POLICY_AUTO: Module is transitioned by the host
     734   *	to high power mode when the first port using it is put administratively
     735   *	up and to low power mode when the last port using it is put
     736   *	administratively down.
     737   */
     738  enum ethtool_module_power_mode_policy {
     739  	ETHTOOL_MODULE_POWER_MODE_POLICY_HIGH = 1,
     740  	ETHTOOL_MODULE_POWER_MODE_POLICY_AUTO,
     741  };
     742  
     743  /**
     744   * enum ethtool_module_power_mode - plug-in module power mode
     745   * @ETHTOOL_MODULE_POWER_MODE_LOW: Module is in low power mode.
     746   * @ETHTOOL_MODULE_POWER_MODE_HIGH: Module is in high power mode.
     747   */
     748  enum ethtool_module_power_mode {
     749  	ETHTOOL_MODULE_POWER_MODE_LOW = 1,
     750  	ETHTOOL_MODULE_POWER_MODE_HIGH,
     751  };
     752  
     753  /**
     754   * enum ethtool_podl_pse_admin_state - operational state of the PoDL PSE
     755   *	functions. IEEE 802.3-2018 30.15.1.1.2 aPoDLPSEAdminState
     756   * @ETHTOOL_PODL_PSE_ADMIN_STATE_UNKNOWN: state of PoDL PSE functions are
     757   * 	unknown
     758   * @ETHTOOL_PODL_PSE_ADMIN_STATE_DISABLED: PoDL PSE functions are disabled
     759   * @ETHTOOL_PODL_PSE_ADMIN_STATE_ENABLED: PoDL PSE functions are enabled
     760   */
     761  enum ethtool_podl_pse_admin_state {
     762  	ETHTOOL_PODL_PSE_ADMIN_STATE_UNKNOWN = 1,
     763  	ETHTOOL_PODL_PSE_ADMIN_STATE_DISABLED,
     764  	ETHTOOL_PODL_PSE_ADMIN_STATE_ENABLED,
     765  };
     766  
     767  /**
     768   * enum ethtool_podl_pse_pw_d_status - power detection status of the PoDL PSE.
     769   *	IEEE 802.3-2018 30.15.1.1.3 aPoDLPSEPowerDetectionStatus:
     770   * @ETHTOOL_PODL_PSE_PW_D_STATUS_UNKNOWN: PoDL PSE
     771   * @ETHTOOL_PODL_PSE_PW_D_STATUS_DISABLED: "The enumeration “disabled” is
     772   *	asserted true when the PoDL PSE state diagram variable mr_pse_enable is
     773   *	false"
     774   * @ETHTOOL_PODL_PSE_PW_D_STATUS_SEARCHING: "The enumeration “searching” is
     775   *	asserted true when either of the PSE state diagram variables
     776   *	pi_detecting or pi_classifying is true."
     777   * @ETHTOOL_PODL_PSE_PW_D_STATUS_DELIVERING: "The enumeration “deliveringPower”
     778   *	is asserted true when the PoDL PSE state diagram variable pi_powered is
     779   *	true."
     780   * @ETHTOOL_PODL_PSE_PW_D_STATUS_SLEEP: "The enumeration “sleep” is asserted
     781   *	true when the PoDL PSE state diagram variable pi_sleeping is true."
     782   * @ETHTOOL_PODL_PSE_PW_D_STATUS_IDLE: "The enumeration “idle” is asserted true
     783   *	when the logical combination of the PoDL PSE state diagram variables
     784   *	pi_prebiased*!pi_sleeping is true."
     785   * @ETHTOOL_PODL_PSE_PW_D_STATUS_ERROR: "The enumeration “error” is asserted
     786   *	true when the PoDL PSE state diagram variable overload_held is true."
     787   */
     788  enum ethtool_podl_pse_pw_d_status {
     789  	ETHTOOL_PODL_PSE_PW_D_STATUS_UNKNOWN = 1,
     790  	ETHTOOL_PODL_PSE_PW_D_STATUS_DISABLED,
     791  	ETHTOOL_PODL_PSE_PW_D_STATUS_SEARCHING,
     792  	ETHTOOL_PODL_PSE_PW_D_STATUS_DELIVERING,
     793  	ETHTOOL_PODL_PSE_PW_D_STATUS_SLEEP,
     794  	ETHTOOL_PODL_PSE_PW_D_STATUS_IDLE,
     795  	ETHTOOL_PODL_PSE_PW_D_STATUS_ERROR,
     796  };
     797  
     798  /**
     799   * enum ethtool_mm_verify_status - status of MAC Merge Verify function
     800   * @ETHTOOL_MM_VERIFY_STATUS_UNKNOWN:
     801   *	verification status is unknown
     802   * @ETHTOOL_MM_VERIFY_STATUS_INITIAL:
     803   *	the 802.3 Verify State diagram is in the state INIT_VERIFICATION
     804   * @ETHTOOL_MM_VERIFY_STATUS_VERIFYING:
     805   *	the Verify State diagram is in the state VERIFICATION_IDLE,
     806   *	SEND_VERIFY or WAIT_FOR_RESPONSE
     807   * @ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED:
     808   *	indicates that the Verify State diagram is in the state VERIFIED
     809   * @ETHTOOL_MM_VERIFY_STATUS_FAILED:
     810   *	the Verify State diagram is in the state VERIFY_FAIL
     811   * @ETHTOOL_MM_VERIFY_STATUS_DISABLED:
     812   *	verification of preemption operation is disabled
     813   */
     814  enum ethtool_mm_verify_status {
     815  	ETHTOOL_MM_VERIFY_STATUS_UNKNOWN,
     816  	ETHTOOL_MM_VERIFY_STATUS_INITIAL,
     817  	ETHTOOL_MM_VERIFY_STATUS_VERIFYING,
     818  	ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED,
     819  	ETHTOOL_MM_VERIFY_STATUS_FAILED,
     820  	ETHTOOL_MM_VERIFY_STATUS_DISABLED,
     821  };
     822  
     823  /**
     824   * struct ethtool_gstrings - string set for data tagging
     825   * @cmd: Command number = %ETHTOOL_GSTRINGS
     826   * @string_set: String set ID; one of &enum ethtool_stringset
     827   * @len: On return, the number of strings in the string set
     828   * @data: Buffer for strings.  Each string is null-padded to a size of
     829   *	%ETH_GSTRING_LEN.
     830   *
     831   * Users must use %ETHTOOL_GSSET_INFO to find the number of strings in
     832   * the string set.  They must allocate a buffer of the appropriate
     833   * size immediately following this structure.
     834   */
     835  struct ethtool_gstrings {
     836  	__u32	cmd;
     837  	__u32	string_set;
     838  	__u32	len;
     839  	__u8	data[];
     840  };
     841  
     842  /**
     843   * struct ethtool_sset_info - string set information
     844   * @cmd: Command number = %ETHTOOL_GSSET_INFO
     845   * @reserved: Reserved for future use; see the note on reserved space.
     846   * @sset_mask: On entry, a bitmask of string sets to query, with bits
     847   *	numbered according to &enum ethtool_stringset.  On return, a
     848   *	bitmask of those string sets queried that are supported.
     849   * @data: Buffer for string set sizes.  On return, this contains the
     850   *	size of each string set that was queried and supported, in
     851   *	order of ID.
     852   *
     853   * Example: The user passes in @sset_mask = 0x7 (sets 0, 1, 2) and on
     854   * return @sset_mask == 0x6 (sets 1, 2).  Then @data[0] contains the
     855   * size of set 1 and @data[1] contains the size of set 2.
     856   *
     857   * Users must allocate a buffer of the appropriate size (4 * number of
     858   * sets queried) immediately following this structure.
     859   */
     860  struct ethtool_sset_info {
     861  	__u32	cmd;
     862  	__u32	reserved;
     863  	__u64	sset_mask;
     864  	__u32	data[];
     865  };
     866  
     867  /**
     868   * enum ethtool_test_flags - flags definition of ethtool_test
     869   * @ETH_TEST_FL_OFFLINE: if set perform online and offline tests, otherwise
     870   *	only online tests.
     871   * @ETH_TEST_FL_FAILED: Driver set this flag if test fails.
     872   * @ETH_TEST_FL_EXTERNAL_LB: Application request to perform external loopback
     873   *	test.
     874   * @ETH_TEST_FL_EXTERNAL_LB_DONE: Driver performed the external loopback test
     875   */
     876  
     877  enum ethtool_test_flags {
     878  	ETH_TEST_FL_OFFLINE	= (1 << 0),
     879  	ETH_TEST_FL_FAILED	= (1 << 1),
     880  	ETH_TEST_FL_EXTERNAL_LB	= (1 << 2),
     881  	ETH_TEST_FL_EXTERNAL_LB_DONE	= (1 << 3),
     882  };
     883  
     884  /**
     885   * struct ethtool_test - device self-test invocation
     886   * @cmd: Command number = %ETHTOOL_TEST
     887   * @flags: A bitmask of flags from &enum ethtool_test_flags.  Some
     888   *	flags may be set by the user on entry; others may be set by
     889   *	the driver on return.
     890   * @reserved: Reserved for future use; see the note on reserved space.
     891   * @len: On return, the number of test results
     892   * @data: Array of test results
     893   *
     894   * Users must use %ETHTOOL_GSSET_INFO or %ETHTOOL_GDRVINFO to find the
     895   * number of test results that will be returned.  They must allocate a
     896   * buffer of the appropriate size (8 * number of results) immediately
     897   * following this structure.
     898   */
     899  struct ethtool_test {
     900  	__u32	cmd;
     901  	__u32	flags;
     902  	__u32	reserved;
     903  	__u32	len;
     904  	__u64	data[];
     905  };
     906  
     907  /**
     908   * struct ethtool_stats - device-specific statistics
     909   * @cmd: Command number = %ETHTOOL_GSTATS
     910   * @n_stats: On return, the number of statistics
     911   * @data: Array of statistics
     912   *
     913   * Users must use %ETHTOOL_GSSET_INFO or %ETHTOOL_GDRVINFO to find the
     914   * number of statistics that will be returned.  They must allocate a
     915   * buffer of the appropriate size (8 * number of statistics)
     916   * immediately following this structure.
     917   */
     918  struct ethtool_stats {
     919  	__u32	cmd;
     920  	__u32	n_stats;
     921  	__u64	data[];
     922  };
     923  
     924  /**
     925   * struct ethtool_perm_addr - permanent hardware address
     926   * @cmd: Command number = %ETHTOOL_GPERMADDR
     927   * @size: On entry, the size of the buffer.  On return, the size of the
     928   *	address.  The command fails if the buffer is too small.
     929   * @data: Buffer for the address
     930   *
     931   * Users must allocate the buffer immediately following this structure.
     932   * A buffer size of %MAX_ADDR_LEN should be sufficient for any address
     933   * type.
     934   */
     935  struct ethtool_perm_addr {
     936  	__u32	cmd;
     937  	__u32	size;
     938  	__u8	data[];
     939  };
     940  
     941  /* boolean flags controlling per-interface behavior characteristics.
     942   * When reading, the flag indicates whether or not a certain behavior
     943   * is enabled/present.  When writing, the flag indicates whether
     944   * or not the driver should turn on (set) or off (clear) a behavior.
     945   *
     946   * Some behaviors may read-only (unconditionally absent or present).
     947   * If such is the case, return EINVAL in the set-flags operation if the
     948   * flag differs from the read-only value.
     949   */
     950  enum ethtool_flags {
     951  	ETH_FLAG_TXVLAN		= (1 << 7),	/* TX VLAN offload enabled */
     952  	ETH_FLAG_RXVLAN		= (1 << 8),	/* RX VLAN offload enabled */
     953  	ETH_FLAG_LRO		= (1 << 15),	/* LRO is enabled */
     954  	ETH_FLAG_NTUPLE		= (1 << 27),	/* N-tuple filters enabled */
     955  	ETH_FLAG_RXHASH		= (1 << 28),
     956  };
     957  
     958  /* The following structures are for supporting RX network flow
     959   * classification and RX n-tuple configuration. Note, all multibyte
     960   * fields, e.g., ip4src, ip4dst, psrc, pdst, spi, etc. are expected to
     961   * be in network byte order.
     962   */
     963  
     964  /**
     965   * struct ethtool_tcpip4_spec - flow specification for TCP/IPv4 etc.
     966   * @ip4src: Source host
     967   * @ip4dst: Destination host
     968   * @psrc: Source port
     969   * @pdst: Destination port
     970   * @tos: Type-of-service
     971   *
     972   * This can be used to specify a TCP/IPv4, UDP/IPv4 or SCTP/IPv4 flow.
     973   */
     974  struct ethtool_tcpip4_spec {
     975  	__be32	ip4src;
     976  	__be32	ip4dst;
     977  	__be16	psrc;
     978  	__be16	pdst;
     979  	__u8    tos;
     980  };
     981  
     982  /**
     983   * struct ethtool_ah_espip4_spec - flow specification for IPsec/IPv4
     984   * @ip4src: Source host
     985   * @ip4dst: Destination host
     986   * @spi: Security parameters index
     987   * @tos: Type-of-service
     988   *
     989   * This can be used to specify an IPsec transport or tunnel over IPv4.
     990   */
     991  struct ethtool_ah_espip4_spec {
     992  	__be32	ip4src;
     993  	__be32	ip4dst;
     994  	__be32	spi;
     995  	__u8    tos;
     996  };
     997  
     998  #define	ETH_RX_NFC_IP4	1
     999  
    1000  /**
    1001   * struct ethtool_usrip4_spec - general flow specification for IPv4
    1002   * @ip4src: Source host
    1003   * @ip4dst: Destination host
    1004   * @l4_4_bytes: First 4 bytes of transport (layer 4) header
    1005   * @tos: Type-of-service
    1006   * @ip_ver: Value must be %ETH_RX_NFC_IP4; mask must be 0
    1007   * @proto: Transport protocol number; mask must be 0
    1008   */
    1009  struct ethtool_usrip4_spec {
    1010  	__be32	ip4src;
    1011  	__be32	ip4dst;
    1012  	__be32	l4_4_bytes;
    1013  	__u8    tos;
    1014  	__u8    ip_ver;
    1015  	__u8    proto;
    1016  };
    1017  
    1018  /**
    1019   * struct ethtool_tcpip6_spec - flow specification for TCP/IPv6 etc.
    1020   * @ip6src: Source host
    1021   * @ip6dst: Destination host
    1022   * @psrc: Source port
    1023   * @pdst: Destination port
    1024   * @tclass: Traffic Class
    1025   *
    1026   * This can be used to specify a TCP/IPv6, UDP/IPv6 or SCTP/IPv6 flow.
    1027   */
    1028  struct ethtool_tcpip6_spec {
    1029  	__be32	ip6src[4];
    1030  	__be32	ip6dst[4];
    1031  	__be16	psrc;
    1032  	__be16	pdst;
    1033  	__u8    tclass;
    1034  };
    1035  
    1036  /**
    1037   * struct ethtool_ah_espip6_spec - flow specification for IPsec/IPv6
    1038   * @ip6src: Source host
    1039   * @ip6dst: Destination host
    1040   * @spi: Security parameters index
    1041   * @tclass: Traffic Class
    1042   *
    1043   * This can be used to specify an IPsec transport or tunnel over IPv6.
    1044   */
    1045  struct ethtool_ah_espip6_spec {
    1046  	__be32	ip6src[4];
    1047  	__be32	ip6dst[4];
    1048  	__be32	spi;
    1049  	__u8    tclass;
    1050  };
    1051  
    1052  /**
    1053   * struct ethtool_usrip6_spec - general flow specification for IPv6
    1054   * @ip6src: Source host
    1055   * @ip6dst: Destination host
    1056   * @l4_4_bytes: First 4 bytes of transport (layer 4) header
    1057   * @tclass: Traffic Class
    1058   * @l4_proto: Transport protocol number (nexthdr after any Extension Headers)
    1059   */
    1060  struct ethtool_usrip6_spec {
    1061  	__be32	ip6src[4];
    1062  	__be32	ip6dst[4];
    1063  	__be32	l4_4_bytes;
    1064  	__u8    tclass;
    1065  	__u8    l4_proto;
    1066  };
    1067  
    1068  union ethtool_flow_union {
    1069  	struct ethtool_tcpip4_spec		tcp_ip4_spec;
    1070  	struct ethtool_tcpip4_spec		udp_ip4_spec;
    1071  	struct ethtool_tcpip4_spec		sctp_ip4_spec;
    1072  	struct ethtool_ah_espip4_spec		ah_ip4_spec;
    1073  	struct ethtool_ah_espip4_spec		esp_ip4_spec;
    1074  	struct ethtool_usrip4_spec		usr_ip4_spec;
    1075  	struct ethtool_tcpip6_spec		tcp_ip6_spec;
    1076  	struct ethtool_tcpip6_spec		udp_ip6_spec;
    1077  	struct ethtool_tcpip6_spec		sctp_ip6_spec;
    1078  	struct ethtool_ah_espip6_spec		ah_ip6_spec;
    1079  	struct ethtool_ah_espip6_spec		esp_ip6_spec;
    1080  	struct ethtool_usrip6_spec		usr_ip6_spec;
    1081  	struct ethhdr				ether_spec;
    1082  	__u8					hdata[52];
    1083  };
    1084  
    1085  /**
    1086   * struct ethtool_flow_ext - additional RX flow fields
    1087   * @h_dest: destination MAC address
    1088   * @vlan_etype: VLAN EtherType
    1089   * @vlan_tci: VLAN tag control information
    1090   * @data: user defined data
    1091   * @padding: Reserved for future use; see the note on reserved space.
    1092   *
    1093   * Note, @vlan_etype, @vlan_tci, and @data are only valid if %FLOW_EXT
    1094   * is set in &struct ethtool_rx_flow_spec @flow_type.
    1095   * @h_dest is valid if %FLOW_MAC_EXT is set.
    1096   */
    1097  struct ethtool_flow_ext {
    1098  	__u8		padding[2];
    1099  	unsigned char	h_dest[ETH_ALEN];
    1100  	__be16		vlan_etype;
    1101  	__be16		vlan_tci;
    1102  	__be32		data[2];
    1103  };
    1104  
    1105  /**
    1106   * struct ethtool_rx_flow_spec - classification rule for RX flows
    1107   * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW
    1108   * @h_u: Flow fields to match (dependent on @flow_type)
    1109   * @h_ext: Additional fields to match
    1110   * @m_u: Masks for flow field bits to be matched
    1111   * @m_ext: Masks for additional field bits to be matched
    1112   *	Note, all additional fields must be ignored unless @flow_type
    1113   *	includes the %FLOW_EXT or %FLOW_MAC_EXT flag
    1114   *	(see &struct ethtool_flow_ext description).
    1115   * @ring_cookie: RX ring/queue index to deliver to, or %RX_CLS_FLOW_DISC
    1116   *	if packets should be discarded, or %RX_CLS_FLOW_WAKE if the
    1117   *	packets should be used for Wake-on-LAN with %WAKE_FILTER
    1118   * @location: Location of rule in the table.  Locations must be
    1119   *	numbered such that a flow matching multiple rules will be
    1120   *	classified according to the first (lowest numbered) rule.
    1121   */
    1122  struct ethtool_rx_flow_spec {
    1123  	__u32		flow_type;
    1124  	union ethtool_flow_union h_u;
    1125  	struct ethtool_flow_ext h_ext;
    1126  	union ethtool_flow_union m_u;
    1127  	struct ethtool_flow_ext m_ext;
    1128  	__u64		ring_cookie;
    1129  	__u32		location;
    1130  };
    1131  
    1132  /* How rings are laid out when accessing virtual functions or
    1133   * offloaded queues is device specific. To allow users to do flow
    1134   * steering and specify these queues the ring cookie is partitioned
    1135   * into a 32bit queue index with an 8 bit virtual function id.
    1136   * This also leaves the 3bytes for further specifiers. It is possible
    1137   * future devices may support more than 256 virtual functions if
    1138   * devices start supporting PCIe w/ARI. However at the moment I
    1139   * do not know of any devices that support this so I do not reserve
    1140   * space for this at this time. If a future patch consumes the next
    1141   * byte it should be aware of this possibility.
    1142   */
    1143  #define ETHTOOL_RX_FLOW_SPEC_RING	0x00000000FFFFFFFFLL
    1144  #define ETHTOOL_RX_FLOW_SPEC_RING_VF	0x000000FF00000000LL
    1145  #define ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF 32
    1146  static __inline__ __u64 ethtool_get_flow_spec_ring(__u64 ring_cookie)
    1147  {
    1148  	return ETHTOOL_RX_FLOW_SPEC_RING & ring_cookie;
    1149  }
    1150  
    1151  static __inline__ __u64 ethtool_get_flow_spec_ring_vf(__u64 ring_cookie)
    1152  {
    1153  	return (ETHTOOL_RX_FLOW_SPEC_RING_VF & ring_cookie) >>
    1154  				ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF;
    1155  }
    1156  
    1157  /**
    1158   * struct ethtool_rxnfc - command to get or set RX flow classification rules
    1159   * @cmd: Specific command number - %ETHTOOL_GRXFH, %ETHTOOL_SRXFH,
    1160   *	%ETHTOOL_GRXRINGS, %ETHTOOL_GRXCLSRLCNT, %ETHTOOL_GRXCLSRULE,
    1161   *	%ETHTOOL_GRXCLSRLALL, %ETHTOOL_SRXCLSRLDEL or %ETHTOOL_SRXCLSRLINS
    1162   * @flow_type: Type of flow to be affected, e.g. %TCP_V4_FLOW
    1163   * @data: Command-dependent value
    1164   * @fs: Flow classification rule
    1165   * @rss_context: RSS context to be affected
    1166   * @rule_cnt: Number of rules to be affected
    1167   * @rule_locs: Array of used rule locations
    1168   *
    1169   * For %ETHTOOL_GRXFH and %ETHTOOL_SRXFH, @data is a bitmask indicating
    1170   * the fields included in the flow hash, e.g. %RXH_IP_SRC.  The following
    1171   * structure fields must not be used, except that if @flow_type includes
    1172   * the %FLOW_RSS flag, then @rss_context determines which RSS context to
    1173   * act on.
    1174   *
    1175   * For %ETHTOOL_GRXRINGS, @data is set to the number of RX rings/queues
    1176   * on return.
    1177   *
    1178   * For %ETHTOOL_GRXCLSRLCNT, @rule_cnt is set to the number of defined
    1179   * rules on return.  If @data is non-zero on return then it is the
    1180   * size of the rule table, plus the flag %RX_CLS_LOC_SPECIAL if the
    1181   * driver supports any special location values.  If that flag is not
    1182   * set in @data then special location values should not be used.
    1183   *
    1184   * For %ETHTOOL_GRXCLSRULE, @fs.@location specifies the location of an
    1185   * existing rule on entry and @fs contains the rule on return; if
    1186   * @fs.@flow_type includes the %FLOW_RSS flag, then @rss_context is
    1187   * filled with the RSS context ID associated with the rule.
    1188   *
    1189   * For %ETHTOOL_GRXCLSRLALL, @rule_cnt specifies the array size of the
    1190   * user buffer for @rule_locs on entry.  On return, @data is the size
    1191   * of the rule table, @rule_cnt is the number of defined rules, and
    1192   * @rule_locs contains the locations of the defined rules.  Drivers
    1193   * must use the second parameter to get_rxnfc() instead of @rule_locs.
    1194   *
    1195   * For %ETHTOOL_SRXCLSRLINS, @fs specifies the rule to add or update.
    1196   * @fs.@location either specifies the location to use or is a special
    1197   * location value with %RX_CLS_LOC_SPECIAL flag set.  On return,
    1198   * @fs.@location is the actual rule location.  If @fs.@flow_type
    1199   * includes the %FLOW_RSS flag, @rss_context is the RSS context ID to
    1200   * use for flow spreading traffic which matches this rule.  The value
    1201   * from the rxfh indirection table will be added to @fs.@ring_cookie
    1202   * to choose which ring to deliver to.
    1203   *
    1204   * For %ETHTOOL_SRXCLSRLDEL, @fs.@location specifies the location of an
    1205   * existing rule on entry.
    1206   *
    1207   * A driver supporting the special location values for
    1208   * %ETHTOOL_SRXCLSRLINS may add the rule at any suitable unused
    1209   * location, and may remove a rule at a later location (lower
    1210   * priority) that matches exactly the same set of flows.  The special
    1211   * values are %RX_CLS_LOC_ANY, selecting any location;
    1212   * %RX_CLS_LOC_FIRST, selecting the first suitable location (maximum
    1213   * priority); and %RX_CLS_LOC_LAST, selecting the last suitable
    1214   * location (minimum priority).  Additional special values may be
    1215   * defined in future and drivers must return -%EINVAL for any
    1216   * unrecognised value.
    1217   */
    1218  struct ethtool_rxnfc {
    1219  	__u32				cmd;
    1220  	__u32				flow_type;
    1221  	__u64				data;
    1222  	struct ethtool_rx_flow_spec	fs;
    1223  	union {
    1224  		__u32			rule_cnt;
    1225  		__u32			rss_context;
    1226  	};
    1227  	__u32				rule_locs[];
    1228  };
    1229  
    1230  
    1231  /**
    1232   * struct ethtool_rxfh_indir - command to get or set RX flow hash indirection
    1233   * @cmd: Specific command number - %ETHTOOL_GRXFHINDIR or %ETHTOOL_SRXFHINDIR
    1234   * @size: On entry, the array size of the user buffer, which may be zero.
    1235   *	On return from %ETHTOOL_GRXFHINDIR, the array size of the hardware
    1236   *	indirection table.
    1237   * @ring_index: RX ring/queue index for each hash value
    1238   *
    1239   * For %ETHTOOL_GRXFHINDIR, a @size of zero means that only the size
    1240   * should be returned.  For %ETHTOOL_SRXFHINDIR, a @size of zero means
    1241   * the table should be reset to default values.  This last feature
    1242   * is not supported by the original implementations.
    1243   */
    1244  struct ethtool_rxfh_indir {
    1245  	__u32	cmd;
    1246  	__u32	size;
    1247  	__u32	ring_index[];
    1248  };
    1249  
    1250  /**
    1251   * struct ethtool_rxfh - command to get/set RX flow hash indir or/and hash key.
    1252   * @cmd: Specific command number - %ETHTOOL_GRSSH or %ETHTOOL_SRSSH
    1253   * @rss_context: RSS context identifier.  Context 0 is the default for normal
    1254   *	traffic; other contexts can be referenced as the destination for RX flow
    1255   *	classification rules.  %ETH_RXFH_CONTEXT_ALLOC is used with command
    1256   *	%ETHTOOL_SRSSH to allocate a new RSS context; on return this field will
    1257   *	contain the ID of the newly allocated context.
    1258   * @indir_size: On entry, the array size of the user buffer for the
    1259   *	indirection table, which may be zero, or (for %ETHTOOL_SRSSH),
    1260   *	%ETH_RXFH_INDIR_NO_CHANGE.  On return from %ETHTOOL_GRSSH,
    1261   *	the array size of the hardware indirection table.
    1262   * @key_size: On entry, the array size of the user buffer for the hash key,
    1263   *	which may be zero.  On return from %ETHTOOL_GRSSH, the size of the
    1264   *	hardware hash key.
    1265   * @hfunc: Defines the current RSS hash function used by HW (or to be set to).
    1266   *	Valid values are one of the %ETH_RSS_HASH_*.
    1267   * @rsvd8: Reserved for future use; see the note on reserved space.
    1268   * @rsvd32: Reserved for future use; see the note on reserved space.
    1269   * @rss_config: RX ring/queue index for each hash value i.e., indirection table
    1270   *	of @indir_size __u32 elements, followed by hash key of @key_size
    1271   *	bytes.
    1272   *
    1273   * For %ETHTOOL_GRSSH, a @indir_size and key_size of zero means that only the
    1274   * size should be returned.  For %ETHTOOL_SRSSH, an @indir_size of
    1275   * %ETH_RXFH_INDIR_NO_CHANGE means that indir table setting is not requested
    1276   * and a @indir_size of zero means the indir table should be reset to default
    1277   * values (if @rss_context == 0) or that the RSS context should be deleted.
    1278   * An hfunc of zero means that hash function setting is not requested.
    1279   */
    1280  struct ethtool_rxfh {
    1281  	__u32   cmd;
    1282  	__u32	rss_context;
    1283  	__u32   indir_size;
    1284  	__u32   key_size;
    1285  	__u8	hfunc;
    1286  	__u8	rsvd8[3];
    1287  	__u32	rsvd32;
    1288  	__u32   rss_config[];
    1289  };
    1290  #define ETH_RXFH_CONTEXT_ALLOC		0xffffffff
    1291  #define ETH_RXFH_INDIR_NO_CHANGE	0xffffffff
    1292  
    1293  /**
    1294   * struct ethtool_rx_ntuple_flow_spec - specification for RX flow filter
    1295   * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW
    1296   * @h_u: Flow field values to match (dependent on @flow_type)
    1297   * @m_u: Masks for flow field value bits to be ignored
    1298   * @vlan_tag: VLAN tag to match
    1299   * @vlan_tag_mask: Mask for VLAN tag bits to be ignored
    1300   * @data: Driver-dependent data to match
    1301   * @data_mask: Mask for driver-dependent data bits to be ignored
    1302   * @action: RX ring/queue index to deliver to (non-negative) or other action
    1303   *	(negative, e.g. %ETHTOOL_RXNTUPLE_ACTION_DROP)
    1304   *
    1305   * For flow types %TCP_V4_FLOW, %UDP_V4_FLOW and %SCTP_V4_FLOW, where
    1306   * a field value and mask are both zero this is treated as if all mask
    1307   * bits are set i.e. the field is ignored.
    1308   */
    1309  struct ethtool_rx_ntuple_flow_spec {
    1310  	__u32		 flow_type;
    1311  	union {
    1312  		struct ethtool_tcpip4_spec		tcp_ip4_spec;
    1313  		struct ethtool_tcpip4_spec		udp_ip4_spec;
    1314  		struct ethtool_tcpip4_spec		sctp_ip4_spec;
    1315  		struct ethtool_ah_espip4_spec		ah_ip4_spec;
    1316  		struct ethtool_ah_espip4_spec		esp_ip4_spec;
    1317  		struct ethtool_usrip4_spec		usr_ip4_spec;
    1318  		struct ethhdr				ether_spec;
    1319  		__u8					hdata[72];
    1320  	} h_u, m_u;
    1321  
    1322  	__u16	        vlan_tag;
    1323  	__u16	        vlan_tag_mask;
    1324  	__u64		data;
    1325  	__u64		data_mask;
    1326  
    1327  	__s32		action;
    1328  #define ETHTOOL_RXNTUPLE_ACTION_DROP	(-1)	/* drop packet */
    1329  #define ETHTOOL_RXNTUPLE_ACTION_CLEAR	(-2)	/* clear filter */
    1330  };
    1331  
    1332  /**
    1333   * struct ethtool_rx_ntuple - command to set or clear RX flow filter
    1334   * @cmd: Command number - %ETHTOOL_SRXNTUPLE
    1335   * @fs: Flow filter specification
    1336   */
    1337  struct ethtool_rx_ntuple {
    1338  	__u32					cmd;
    1339  	struct ethtool_rx_ntuple_flow_spec	fs;
    1340  };
    1341  
    1342  #define ETHTOOL_FLASH_MAX_FILENAME	128
    1343  enum ethtool_flash_op_type {
    1344  	ETHTOOL_FLASH_ALL_REGIONS	= 0,
    1345  };
    1346  
    1347  /* for passing firmware flashing related parameters */
    1348  struct ethtool_flash {
    1349  	__u32	cmd;
    1350  	__u32	region;
    1351  	char	data[ETHTOOL_FLASH_MAX_FILENAME];
    1352  };
    1353  
    1354  /**
    1355   * struct ethtool_dump - used for retrieving, setting device dump
    1356   * @cmd: Command number - %ETHTOOL_GET_DUMP_FLAG, %ETHTOOL_GET_DUMP_DATA, or
    1357   * 	%ETHTOOL_SET_DUMP
    1358   * @version: FW version of the dump, filled in by driver
    1359   * @flag: driver dependent flag for dump setting, filled in by driver during
    1360   *        get and filled in by ethtool for set operation.
    1361   *        flag must be initialized by macro ETH_FW_DUMP_DISABLE value when
    1362   *        firmware dump is disabled.
    1363   * @len: length of dump data, used as the length of the user buffer on entry to
    1364   * 	 %ETHTOOL_GET_DUMP_DATA and this is returned as dump length by driver
    1365   * 	 for %ETHTOOL_GET_DUMP_FLAG command
    1366   * @data: data collected for get dump data operation
    1367   */
    1368  struct ethtool_dump {
    1369  	__u32	cmd;
    1370  	__u32	version;
    1371  	__u32	flag;
    1372  	__u32	len;
    1373  	__u8	data[];
    1374  };
    1375  
    1376  #define ETH_FW_DUMP_DISABLE 0
    1377  
    1378  /* for returning and changing feature sets */
    1379  
    1380  /**
    1381   * struct ethtool_get_features_block - block with state of 32 features
    1382   * @available: mask of changeable features
    1383   * @requested: mask of features requested to be enabled if possible
    1384   * @active: mask of currently enabled features
    1385   * @never_changed: mask of features not changeable for any device
    1386   */
    1387  struct ethtool_get_features_block {
    1388  	__u32	available;
    1389  	__u32	requested;
    1390  	__u32	active;
    1391  	__u32	never_changed;
    1392  };
    1393  
    1394  /**
    1395   * struct ethtool_gfeatures - command to get state of device's features
    1396   * @cmd: command number = %ETHTOOL_GFEATURES
    1397   * @size: On entry, the number of elements in the features[] array;
    1398   *	on return, the number of elements in features[] needed to hold
    1399   *	all features
    1400   * @features: state of features
    1401   */
    1402  struct ethtool_gfeatures {
    1403  	__u32	cmd;
    1404  	__u32	size;
    1405  	struct ethtool_get_features_block features[];
    1406  };
    1407  
    1408  /**
    1409   * struct ethtool_set_features_block - block with request for 32 features
    1410   * @valid: mask of features to be changed
    1411   * @requested: values of features to be changed
    1412   */
    1413  struct ethtool_set_features_block {
    1414  	__u32	valid;
    1415  	__u32	requested;
    1416  };
    1417  
    1418  /**
    1419   * struct ethtool_sfeatures - command to request change in device's features
    1420   * @cmd: command number = %ETHTOOL_SFEATURES
    1421   * @size: array size of the features[] array
    1422   * @features: feature change masks
    1423   */
    1424  struct ethtool_sfeatures {
    1425  	__u32	cmd;
    1426  	__u32	size;
    1427  	struct ethtool_set_features_block features[];
    1428  };
    1429  
    1430  /**
    1431   * struct ethtool_ts_info - holds a device's timestamping and PHC association
    1432   * @cmd: command number = %ETHTOOL_GET_TS_INFO
    1433   * @so_timestamping: bit mask of the sum of the supported SO_TIMESTAMPING flags
    1434   * @phc_index: device index of the associated PHC, or -1 if there is none
    1435   * @tx_types: bit mask of the supported hwtstamp_tx_types enumeration values
    1436   * @tx_reserved: Reserved for future use; see the note on reserved space.
    1437   * @rx_filters: bit mask of the supported hwtstamp_rx_filters enumeration values
    1438   * @rx_reserved: Reserved for future use; see the note on reserved space.
    1439   *
    1440   * The bits in the 'tx_types' and 'rx_filters' fields correspond to
    1441   * the 'hwtstamp_tx_types' and 'hwtstamp_rx_filters' enumeration values,
    1442   * respectively.  For example, if the device supports HWTSTAMP_TX_ON,
    1443   * then (1 << HWTSTAMP_TX_ON) in 'tx_types' will be set.
    1444   *
    1445   * Drivers should only report the filters they actually support without
    1446   * upscaling in the SIOCSHWTSTAMP ioctl. If the SIOCSHWSTAMP request for
    1447   * HWTSTAMP_FILTER_V1_SYNC is supported by HWTSTAMP_FILTER_V1_EVENT, then the
    1448   * driver should only report HWTSTAMP_FILTER_V1_EVENT in this op.
    1449   */
    1450  struct ethtool_ts_info {
    1451  	__u32	cmd;
    1452  	__u32	so_timestamping;
    1453  	__s32	phc_index;
    1454  	__u32	tx_types;
    1455  	__u32	tx_reserved[3];
    1456  	__u32	rx_filters;
    1457  	__u32	rx_reserved[3];
    1458  };
    1459  
    1460  /*
    1461   * %ETHTOOL_SFEATURES changes features present in features[].valid to the
    1462   * values of corresponding bits in features[].requested. Bits in .requested
    1463   * not set in .valid or not changeable are ignored.
    1464   *
    1465   * Returns %EINVAL when .valid contains undefined or never-changeable bits
    1466   * or size is not equal to required number of features words (32-bit blocks).
    1467   * Returns >= 0 if request was completed; bits set in the value mean:
    1468   *   %ETHTOOL_F_UNSUPPORTED - there were bits set in .valid that are not
    1469   *	changeable (not present in %ETHTOOL_GFEATURES' features[].available)
    1470   *	those bits were ignored.
    1471   *   %ETHTOOL_F_WISH - some or all changes requested were recorded but the
    1472   *      resulting state of bits masked by .valid is not equal to .requested.
    1473   *      Probably there are other device-specific constraints on some features
    1474   *      in the set. When %ETHTOOL_F_UNSUPPORTED is set, .valid is considered
    1475   *      here as though ignored bits were cleared.
    1476   *   %ETHTOOL_F_COMPAT - some or all changes requested were made by calling
    1477   *      compatibility functions. Requested offload state cannot be properly
    1478   *      managed by kernel.
    1479   *
    1480   * Meaning of bits in the masks are obtained by %ETHTOOL_GSSET_INFO (number of
    1481   * bits in the arrays - always multiple of 32) and %ETHTOOL_GSTRINGS commands
    1482   * for ETH_SS_FEATURES string set. First entry in the table corresponds to least
    1483   * significant bit in features[0] fields. Empty strings mark undefined features.
    1484   */
    1485  enum ethtool_sfeatures_retval_bits {
    1486  	ETHTOOL_F_UNSUPPORTED__BIT,
    1487  	ETHTOOL_F_WISH__BIT,
    1488  	ETHTOOL_F_COMPAT__BIT,
    1489  };
    1490  
    1491  #define ETHTOOL_F_UNSUPPORTED   (1 << ETHTOOL_F_UNSUPPORTED__BIT)
    1492  #define ETHTOOL_F_WISH          (1 << ETHTOOL_F_WISH__BIT)
    1493  #define ETHTOOL_F_COMPAT        (1 << ETHTOOL_F_COMPAT__BIT)
    1494  
    1495  #define MAX_NUM_QUEUE		4096
    1496  
    1497  /**
    1498   * struct ethtool_per_queue_op - apply sub command to the queues in mask.
    1499   * @cmd: ETHTOOL_PERQUEUE
    1500   * @sub_command: the sub command which apply to each queues
    1501   * @queue_mask: Bitmap of the queues which sub command apply to
    1502   * @data: A complete command structure following for each of the queues addressed
    1503   */
    1504  struct ethtool_per_queue_op {
    1505  	__u32	cmd;
    1506  	__u32	sub_command;
    1507  	__u32	queue_mask[__KERNEL_DIV_ROUND_UP(MAX_NUM_QUEUE, 32)];
    1508  	char	data[];
    1509  };
    1510  
    1511  /**
    1512   * struct ethtool_fecparam - Ethernet Forward Error Correction parameters
    1513   * @cmd: Command number = %ETHTOOL_GFECPARAM or %ETHTOOL_SFECPARAM
    1514   * @active_fec: FEC mode which is active on the port, single bit set, GET only.
    1515   * @fec: Bitmask of configured FEC modes.
    1516   * @reserved: Reserved for future extensions, ignore on GET, write 0 for SET.
    1517   *
    1518   * Note that @reserved was never validated on input and ethtool user space
    1519   * left it uninitialized when calling SET. Hence going forward it can only be
    1520   * used to return a value to userspace with GET.
    1521   *
    1522   * FEC modes supported by the device can be read via %ETHTOOL_GLINKSETTINGS.
    1523   * FEC settings are configured by link autonegotiation whenever it's enabled.
    1524   * With autoneg on %ETHTOOL_GFECPARAM can be used to read the current mode.
    1525   *
    1526   * When autoneg is disabled %ETHTOOL_SFECPARAM controls the FEC settings.
    1527   * It is recommended that drivers only accept a single bit set in @fec.
    1528   * When multiple bits are set in @fec drivers may pick mode in an implementation
    1529   * dependent way. Drivers should reject mixing %ETHTOOL_FEC_AUTO_BIT with other
    1530   * FEC modes, because it's unclear whether in this case other modes constrain
    1531   * AUTO or are independent choices.
    1532   * Drivers must reject SET requests if they support none of the requested modes.
    1533   *
    1534   * If device does not support FEC drivers may use %ETHTOOL_FEC_NONE instead
    1535   * of returning %EOPNOTSUPP from %ETHTOOL_GFECPARAM.
    1536   *
    1537   * See enum ethtool_fec_config_bits for definition of valid bits for both
    1538   * @fec and @active_fec.
    1539   */
    1540  struct ethtool_fecparam {
    1541  	__u32   cmd;
    1542  	/* bitmask of FEC modes */
    1543  	__u32   active_fec;
    1544  	__u32   fec;
    1545  	__u32   reserved;
    1546  };
    1547  
    1548  /**
    1549   * enum ethtool_fec_config_bits - flags definition of ethtool_fec_configuration
    1550   * @ETHTOOL_FEC_NONE_BIT: FEC mode configuration is not supported. Should not
    1551   *			be used together with other bits. GET only.
    1552   * @ETHTOOL_FEC_AUTO_BIT: Select default/best FEC mode automatically, usually
    1553   *			based link mode and SFP parameters read from module's
    1554   *			EEPROM. This bit does _not_ mean autonegotiation.
    1555   * @ETHTOOL_FEC_OFF_BIT: No FEC Mode
    1556   * @ETHTOOL_FEC_RS_BIT: Reed-Solomon FEC Mode
    1557   * @ETHTOOL_FEC_BASER_BIT: Base-R/Reed-Solomon FEC Mode
    1558   * @ETHTOOL_FEC_LLRS_BIT: Low Latency Reed Solomon FEC Mode (25G/50G Ethernet
    1559   *			Consortium)
    1560   */
    1561  enum ethtool_fec_config_bits {
    1562  	ETHTOOL_FEC_NONE_BIT,
    1563  	ETHTOOL_FEC_AUTO_BIT,
    1564  	ETHTOOL_FEC_OFF_BIT,
    1565  	ETHTOOL_FEC_RS_BIT,
    1566  	ETHTOOL_FEC_BASER_BIT,
    1567  	ETHTOOL_FEC_LLRS_BIT,
    1568  };
    1569  
    1570  #define ETHTOOL_FEC_NONE		(1 << ETHTOOL_FEC_NONE_BIT)
    1571  #define ETHTOOL_FEC_AUTO		(1 << ETHTOOL_FEC_AUTO_BIT)
    1572  #define ETHTOOL_FEC_OFF			(1 << ETHTOOL_FEC_OFF_BIT)
    1573  #define ETHTOOL_FEC_RS			(1 << ETHTOOL_FEC_RS_BIT)
    1574  #define ETHTOOL_FEC_BASER		(1 << ETHTOOL_FEC_BASER_BIT)
    1575  #define ETHTOOL_FEC_LLRS		(1 << ETHTOOL_FEC_LLRS_BIT)
    1576  
    1577  /* CMDs currently supported */
    1578  #define ETHTOOL_GSET		0x00000001 /* DEPRECATED, Get settings.
    1579  					    * Please use ETHTOOL_GLINKSETTINGS
    1580  					    */
    1581  #define ETHTOOL_SSET		0x00000002 /* DEPRECATED, Set settings.
    1582  					    * Please use ETHTOOL_SLINKSETTINGS
    1583  					    */
    1584  #define ETHTOOL_GDRVINFO	0x00000003 /* Get driver info. */
    1585  #define ETHTOOL_GREGS		0x00000004 /* Get NIC registers. */
    1586  #define ETHTOOL_GWOL		0x00000005 /* Get wake-on-lan options. */
    1587  #define ETHTOOL_SWOL		0x00000006 /* Set wake-on-lan options. */
    1588  #define ETHTOOL_GMSGLVL		0x00000007 /* Get driver message level */
    1589  #define ETHTOOL_SMSGLVL		0x00000008 /* Set driver msg level. */
    1590  #define ETHTOOL_NWAY_RST	0x00000009 /* Restart autonegotiation. */
    1591  /* Get link status for host, i.e. whether the interface *and* the
    1592   * physical port (if there is one) are up (ethtool_value). */
    1593  #define ETHTOOL_GLINK		0x0000000a
    1594  #define ETHTOOL_GEEPROM		0x0000000b /* Get EEPROM data */
    1595  #define ETHTOOL_SEEPROM		0x0000000c /* Set EEPROM data. */
    1596  #define ETHTOOL_GCOALESCE	0x0000000e /* Get coalesce config */
    1597  #define ETHTOOL_SCOALESCE	0x0000000f /* Set coalesce config. */
    1598  #define ETHTOOL_GRINGPARAM	0x00000010 /* Get ring parameters */
    1599  #define ETHTOOL_SRINGPARAM	0x00000011 /* Set ring parameters. */
    1600  #define ETHTOOL_GPAUSEPARAM	0x00000012 /* Get pause parameters */
    1601  #define ETHTOOL_SPAUSEPARAM	0x00000013 /* Set pause parameters. */
    1602  #define ETHTOOL_GRXCSUM		0x00000014 /* Get RX hw csum enable (ethtool_value) */
    1603  #define ETHTOOL_SRXCSUM		0x00000015 /* Set RX hw csum enable (ethtool_value) */
    1604  #define ETHTOOL_GTXCSUM		0x00000016 /* Get TX hw csum enable (ethtool_value) */
    1605  #define ETHTOOL_STXCSUM		0x00000017 /* Set TX hw csum enable (ethtool_value) */
    1606  #define ETHTOOL_GSG		0x00000018 /* Get scatter-gather enable
    1607  					    * (ethtool_value) */
    1608  #define ETHTOOL_SSG		0x00000019 /* Set scatter-gather enable
    1609  					    * (ethtool_value). */
    1610  #define ETHTOOL_TEST		0x0000001a /* execute NIC self-test. */
    1611  #define ETHTOOL_GSTRINGS	0x0000001b /* get specified string set */
    1612  #define ETHTOOL_PHYS_ID		0x0000001c /* identify the NIC */
    1613  #define ETHTOOL_GSTATS		0x0000001d /* get NIC-specific statistics */
    1614  #define ETHTOOL_GTSO		0x0000001e /* Get TSO enable (ethtool_value) */
    1615  #define ETHTOOL_STSO		0x0000001f /* Set TSO enable (ethtool_value) */
    1616  #define ETHTOOL_GPERMADDR	0x00000020 /* Get permanent hardware address */
    1617  #define ETHTOOL_GUFO		0x00000021 /* Get UFO enable (ethtool_value) */
    1618  #define ETHTOOL_SUFO		0x00000022 /* Set UFO enable (ethtool_value) */
    1619  #define ETHTOOL_GGSO		0x00000023 /* Get GSO enable (ethtool_value) */
    1620  #define ETHTOOL_SGSO		0x00000024 /* Set GSO enable (ethtool_value) */
    1621  #define ETHTOOL_GFLAGS		0x00000025 /* Get flags bitmap(ethtool_value) */
    1622  #define ETHTOOL_SFLAGS		0x00000026 /* Set flags bitmap(ethtool_value) */
    1623  #define ETHTOOL_GPFLAGS		0x00000027 /* Get driver-private flags bitmap */
    1624  #define ETHTOOL_SPFLAGS		0x00000028 /* Set driver-private flags bitmap */
    1625  
    1626  #define ETHTOOL_GRXFH		0x00000029 /* Get RX flow hash configuration */
    1627  #define ETHTOOL_SRXFH		0x0000002a /* Set RX flow hash configuration */
    1628  #define ETHTOOL_GGRO		0x0000002b /* Get GRO enable (ethtool_value) */
    1629  #define ETHTOOL_SGRO		0x0000002c /* Set GRO enable (ethtool_value) */
    1630  #define ETHTOOL_GRXRINGS	0x0000002d /* Get RX rings available for LB */
    1631  #define ETHTOOL_GRXCLSRLCNT	0x0000002e /* Get RX class rule count */
    1632  #define ETHTOOL_GRXCLSRULE	0x0000002f /* Get RX classification rule */
    1633  #define ETHTOOL_GRXCLSRLALL	0x00000030 /* Get all RX classification rule */
    1634  #define ETHTOOL_SRXCLSRLDEL	0x00000031 /* Delete RX classification rule */
    1635  #define ETHTOOL_SRXCLSRLINS	0x00000032 /* Insert RX classification rule */
    1636  #define ETHTOOL_FLASHDEV	0x00000033 /* Flash firmware to device */
    1637  #define ETHTOOL_RESET		0x00000034 /* Reset hardware */
    1638  #define ETHTOOL_SRXNTUPLE	0x00000035 /* Add an n-tuple filter to device */
    1639  #define ETHTOOL_GRXNTUPLE	0x00000036 /* deprecated */
    1640  #define ETHTOOL_GSSET_INFO	0x00000037 /* Get string set info */
    1641  #define ETHTOOL_GRXFHINDIR	0x00000038 /* Get RX flow hash indir'n table */
    1642  #define ETHTOOL_SRXFHINDIR	0x00000039 /* Set RX flow hash indir'n table */
    1643  
    1644  #define ETHTOOL_GFEATURES	0x0000003a /* Get device offload settings */
    1645  #define ETHTOOL_SFEATURES	0x0000003b /* Change device offload settings */
    1646  #define ETHTOOL_GCHANNELS	0x0000003c /* Get no of channels */
    1647  #define ETHTOOL_SCHANNELS	0x0000003d /* Set no of channels */
    1648  #define ETHTOOL_SET_DUMP	0x0000003e /* Set dump settings */
    1649  #define ETHTOOL_GET_DUMP_FLAG	0x0000003f /* Get dump settings */
    1650  #define ETHTOOL_GET_DUMP_DATA	0x00000040 /* Get dump data */
    1651  #define ETHTOOL_GET_TS_INFO	0x00000041 /* Get time stamping and PHC info */
    1652  #define ETHTOOL_GMODULEINFO	0x00000042 /* Get plug-in module information */
    1653  #define ETHTOOL_GMODULEEEPROM	0x00000043 /* Get plug-in module eeprom */
    1654  #define ETHTOOL_GEEE		0x00000044 /* Get EEE settings */
    1655  #define ETHTOOL_SEEE		0x00000045 /* Set EEE settings */
    1656  
    1657  #define ETHTOOL_GRSSH		0x00000046 /* Get RX flow hash configuration */
    1658  #define ETHTOOL_SRSSH		0x00000047 /* Set RX flow hash configuration */
    1659  #define ETHTOOL_GTUNABLE	0x00000048 /* Get tunable configuration */
    1660  #define ETHTOOL_STUNABLE	0x00000049 /* Set tunable configuration */
    1661  #define ETHTOOL_GPHYSTATS	0x0000004a /* get PHY-specific statistics */
    1662  
    1663  #define ETHTOOL_PERQUEUE	0x0000004b /* Set per queue options */
    1664  
    1665  #define ETHTOOL_GLINKSETTINGS	0x0000004c /* Get ethtool_link_settings */
    1666  #define ETHTOOL_SLINKSETTINGS	0x0000004d /* Set ethtool_link_settings */
    1667  #define ETHTOOL_PHY_GTUNABLE	0x0000004e /* Get PHY tunable configuration */
    1668  #define ETHTOOL_PHY_STUNABLE	0x0000004f /* Set PHY tunable configuration */
    1669  #define ETHTOOL_GFECPARAM	0x00000050 /* Get FEC settings */
    1670  #define ETHTOOL_SFECPARAM	0x00000051 /* Set FEC settings */
    1671  
    1672  /* compatibility with older code */
    1673  #define SPARC_ETH_GSET		ETHTOOL_GSET
    1674  #define SPARC_ETH_SSET		ETHTOOL_SSET
    1675  
    1676  /* Link mode bit indices */
    1677  enum ethtool_link_mode_bit_indices {
    1678  	ETHTOOL_LINK_MODE_10baseT_Half_BIT	= 0,
    1679  	ETHTOOL_LINK_MODE_10baseT_Full_BIT	= 1,
    1680  	ETHTOOL_LINK_MODE_100baseT_Half_BIT	= 2,
    1681  	ETHTOOL_LINK_MODE_100baseT_Full_BIT	= 3,
    1682  	ETHTOOL_LINK_MODE_1000baseT_Half_BIT	= 4,
    1683  	ETHTOOL_LINK_MODE_1000baseT_Full_BIT	= 5,
    1684  	ETHTOOL_LINK_MODE_Autoneg_BIT		= 6,
    1685  	ETHTOOL_LINK_MODE_TP_BIT		= 7,
    1686  	ETHTOOL_LINK_MODE_AUI_BIT		= 8,
    1687  	ETHTOOL_LINK_MODE_MII_BIT		= 9,
    1688  	ETHTOOL_LINK_MODE_FIBRE_BIT		= 10,
    1689  	ETHTOOL_LINK_MODE_BNC_BIT		= 11,
    1690  	ETHTOOL_LINK_MODE_10000baseT_Full_BIT	= 12,
    1691  	ETHTOOL_LINK_MODE_Pause_BIT		= 13,
    1692  	ETHTOOL_LINK_MODE_Asym_Pause_BIT	= 14,
    1693  	ETHTOOL_LINK_MODE_2500baseX_Full_BIT	= 15,
    1694  	ETHTOOL_LINK_MODE_Backplane_BIT		= 16,
    1695  	ETHTOOL_LINK_MODE_1000baseKX_Full_BIT	= 17,
    1696  	ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT	= 18,
    1697  	ETHTOOL_LINK_MODE_10000baseKR_Full_BIT	= 19,
    1698  	ETHTOOL_LINK_MODE_10000baseR_FEC_BIT	= 20,
    1699  	ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT = 21,
    1700  	ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT	= 22,
    1701  	ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT	= 23,
    1702  	ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT	= 24,
    1703  	ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT	= 25,
    1704  	ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT	= 26,
    1705  	ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT	= 27,
    1706  	ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT	= 28,
    1707  	ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT	= 29,
    1708  	ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT	= 30,
    1709  	ETHTOOL_LINK_MODE_25000baseCR_Full_BIT	= 31,
    1710  
    1711  	/* Last allowed bit for __ETHTOOL_LINK_MODE_LEGACY_MASK is bit
    1712  	 * 31. Please do NOT define any SUPPORTED_* or ADVERTISED_*
    1713  	 * macro for bits > 31. The only way to use indices > 31 is to
    1714  	 * use the new ETHTOOL_GLINKSETTINGS/ETHTOOL_SLINKSETTINGS API.
    1715  	 */
    1716  
    1717  	ETHTOOL_LINK_MODE_25000baseKR_Full_BIT	= 32,
    1718  	ETHTOOL_LINK_MODE_25000baseSR_Full_BIT	= 33,
    1719  	ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT	= 34,
    1720  	ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT	= 35,
    1721  	ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT	= 36,
    1722  	ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT	= 37,
    1723  	ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT	= 38,
    1724  	ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT	= 39,
    1725  	ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT		= 40,
    1726  	ETHTOOL_LINK_MODE_1000baseX_Full_BIT	= 41,
    1727  	ETHTOOL_LINK_MODE_10000baseCR_Full_BIT	= 42,
    1728  	ETHTOOL_LINK_MODE_10000baseSR_Full_BIT	= 43,
    1729  	ETHTOOL_LINK_MODE_10000baseLR_Full_BIT	= 44,
    1730  	ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT	= 45,
    1731  	ETHTOOL_LINK_MODE_10000baseER_Full_BIT	= 46,
    1732  	ETHTOOL_LINK_MODE_2500baseT_Full_BIT	= 47,
    1733  	ETHTOOL_LINK_MODE_5000baseT_Full_BIT	= 48,
    1734  
    1735  	ETHTOOL_LINK_MODE_FEC_NONE_BIT	= 49,
    1736  	ETHTOOL_LINK_MODE_FEC_RS_BIT	= 50,
    1737  	ETHTOOL_LINK_MODE_FEC_BASER_BIT	= 51,
    1738  	ETHTOOL_LINK_MODE_50000baseKR_Full_BIT		 = 52,
    1739  	ETHTOOL_LINK_MODE_50000baseSR_Full_BIT		 = 53,
    1740  	ETHTOOL_LINK_MODE_50000baseCR_Full_BIT		 = 54,
    1741  	ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT	 = 55,
    1742  	ETHTOOL_LINK_MODE_50000baseDR_Full_BIT		 = 56,
    1743  	ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT	 = 57,
    1744  	ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT	 = 58,
    1745  	ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT	 = 59,
    1746  	ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT = 60,
    1747  	ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT	 = 61,
    1748  	ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT	 = 62,
    1749  	ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT	 = 63,
    1750  	ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT = 64,
    1751  	ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT	 = 65,
    1752  	ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT	 = 66,
    1753  	ETHTOOL_LINK_MODE_100baseT1_Full_BIT		 = 67,
    1754  	ETHTOOL_LINK_MODE_1000baseT1_Full_BIT		 = 68,
    1755  	ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT	 = 69,
    1756  	ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT	 = 70,
    1757  	ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT = 71,
    1758  	ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT	 = 72,
    1759  	ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT	 = 73,
    1760  	ETHTOOL_LINK_MODE_FEC_LLRS_BIT			 = 74,
    1761  	ETHTOOL_LINK_MODE_100000baseKR_Full_BIT		 = 75,
    1762  	ETHTOOL_LINK_MODE_100000baseSR_Full_BIT		 = 76,
    1763  	ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT	 = 77,
    1764  	ETHTOOL_LINK_MODE_100000baseCR_Full_BIT		 = 78,
    1765  	ETHTOOL_LINK_MODE_100000baseDR_Full_BIT		 = 79,
    1766  	ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT	 = 80,
    1767  	ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT	 = 81,
    1768  	ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT = 82,
    1769  	ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT	 = 83,
    1770  	ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT	 = 84,
    1771  	ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT	 = 85,
    1772  	ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT	 = 86,
    1773  	ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT = 87,
    1774  	ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT	 = 88,
    1775  	ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT	 = 89,
    1776  	ETHTOOL_LINK_MODE_100baseFX_Half_BIT		 = 90,
    1777  	ETHTOOL_LINK_MODE_100baseFX_Full_BIT		 = 91,
    1778  	ETHTOOL_LINK_MODE_10baseT1L_Full_BIT		 = 92,
    1779  	ETHTOOL_LINK_MODE_800000baseCR8_Full_BIT	 = 93,
    1780  	ETHTOOL_LINK_MODE_800000baseKR8_Full_BIT	 = 94,
    1781  	ETHTOOL_LINK_MODE_800000baseDR8_Full_BIT	 = 95,
    1782  	ETHTOOL_LINK_MODE_800000baseDR8_2_Full_BIT	 = 96,
    1783  	ETHTOOL_LINK_MODE_800000baseSR8_Full_BIT	 = 97,
    1784  	ETHTOOL_LINK_MODE_800000baseVR8_Full_BIT	 = 98,
    1785  	ETHTOOL_LINK_MODE_10baseT1S_Full_BIT		 = 99,
    1786  	ETHTOOL_LINK_MODE_10baseT1S_Half_BIT		 = 100,
    1787  	ETHTOOL_LINK_MODE_10baseT1S_P2MP_Half_BIT	 = 101,
    1788  
    1789  	/* must be last entry */
    1790  	__ETHTOOL_LINK_MODE_MASK_NBITS
    1791  };
    1792  
    1793  #define __ETHTOOL_LINK_MODE_LEGACY_MASK(base_name)	\
    1794  	(1UL << (ETHTOOL_LINK_MODE_ ## base_name ## _BIT))
    1795  
    1796  /* DEPRECATED macros. Please migrate to
    1797   * ETHTOOL_GLINKSETTINGS/ETHTOOL_SLINKSETTINGS API. Please do NOT
    1798   * define any new SUPPORTED_* macro for bits > 31.
    1799   */
    1800  #define SUPPORTED_10baseT_Half		__ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Half)
    1801  #define SUPPORTED_10baseT_Full		__ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Full)
    1802  #define SUPPORTED_100baseT_Half		__ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Half)
    1803  #define SUPPORTED_100baseT_Full		__ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Full)
    1804  #define SUPPORTED_1000baseT_Half	__ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Half)
    1805  #define SUPPORTED_1000baseT_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Full)
    1806  #define SUPPORTED_Autoneg		__ETHTOOL_LINK_MODE_LEGACY_MASK(Autoneg)
    1807  #define SUPPORTED_TP			__ETHTOOL_LINK_MODE_LEGACY_MASK(TP)
    1808  #define SUPPORTED_AUI			__ETHTOOL_LINK_MODE_LEGACY_MASK(AUI)
    1809  #define SUPPORTED_MII			__ETHTOOL_LINK_MODE_LEGACY_MASK(MII)
    1810  #define SUPPORTED_FIBRE			__ETHTOOL_LINK_MODE_LEGACY_MASK(FIBRE)
    1811  #define SUPPORTED_BNC			__ETHTOOL_LINK_MODE_LEGACY_MASK(BNC)
    1812  #define SUPPORTED_10000baseT_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseT_Full)
    1813  #define SUPPORTED_Pause			__ETHTOOL_LINK_MODE_LEGACY_MASK(Pause)
    1814  #define SUPPORTED_Asym_Pause		__ETHTOOL_LINK_MODE_LEGACY_MASK(Asym_Pause)
    1815  #define SUPPORTED_2500baseX_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(2500baseX_Full)
    1816  #define SUPPORTED_Backplane		__ETHTOOL_LINK_MODE_LEGACY_MASK(Backplane)
    1817  #define SUPPORTED_1000baseKX_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseKX_Full)
    1818  #define SUPPORTED_10000baseKX4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKX4_Full)
    1819  #define SUPPORTED_10000baseKR_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKR_Full)
    1820  #define SUPPORTED_10000baseR_FEC	__ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseR_FEC)
    1821  #define SUPPORTED_20000baseMLD2_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseMLD2_Full)
    1822  #define SUPPORTED_20000baseKR2_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseKR2_Full)
    1823  #define SUPPORTED_40000baseKR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseKR4_Full)
    1824  #define SUPPORTED_40000baseCR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseCR4_Full)
    1825  #define SUPPORTED_40000baseSR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseSR4_Full)
    1826  #define SUPPORTED_40000baseLR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseLR4_Full)
    1827  #define SUPPORTED_56000baseKR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseKR4_Full)
    1828  #define SUPPORTED_56000baseCR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseCR4_Full)
    1829  #define SUPPORTED_56000baseSR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseSR4_Full)
    1830  #define SUPPORTED_56000baseLR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseLR4_Full)
    1831  /* Please do not define any new SUPPORTED_* macro for bits > 31, see
    1832   * notice above.
    1833   */
    1834  
    1835  /*
    1836   * DEPRECATED macros. Please migrate to
    1837   * ETHTOOL_GLINKSETTINGS/ETHTOOL_SLINKSETTINGS API. Please do NOT
    1838   * define any new ADERTISE_* macro for bits > 31.
    1839   */
    1840  #define ADVERTISED_10baseT_Half		__ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Half)
    1841  #define ADVERTISED_10baseT_Full		__ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Full)
    1842  #define ADVERTISED_100baseT_Half	__ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Half)
    1843  #define ADVERTISED_100baseT_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Full)
    1844  #define ADVERTISED_1000baseT_Half	__ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Half)
    1845  #define ADVERTISED_1000baseT_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Full)
    1846  #define ADVERTISED_Autoneg		__ETHTOOL_LINK_MODE_LEGACY_MASK(Autoneg)
    1847  #define ADVERTISED_TP			__ETHTOOL_LINK_MODE_LEGACY_MASK(TP)
    1848  #define ADVERTISED_AUI			__ETHTOOL_LINK_MODE_LEGACY_MASK(AUI)
    1849  #define ADVERTISED_MII			__ETHTOOL_LINK_MODE_LEGACY_MASK(MII)
    1850  #define ADVERTISED_FIBRE		__ETHTOOL_LINK_MODE_LEGACY_MASK(FIBRE)
    1851  #define ADVERTISED_BNC			__ETHTOOL_LINK_MODE_LEGACY_MASK(BNC)
    1852  #define ADVERTISED_10000baseT_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseT_Full)
    1853  #define ADVERTISED_Pause		__ETHTOOL_LINK_MODE_LEGACY_MASK(Pause)
    1854  #define ADVERTISED_Asym_Pause		__ETHTOOL_LINK_MODE_LEGACY_MASK(Asym_Pause)
    1855  #define ADVERTISED_2500baseX_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(2500baseX_Full)
    1856  #define ADVERTISED_Backplane		__ETHTOOL_LINK_MODE_LEGACY_MASK(Backplane)
    1857  #define ADVERTISED_1000baseKX_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseKX_Full)
    1858  #define ADVERTISED_10000baseKX4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKX4_Full)
    1859  #define ADVERTISED_10000baseKR_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKR_Full)
    1860  #define ADVERTISED_10000baseR_FEC	__ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseR_FEC)
    1861  #define ADVERTISED_20000baseMLD2_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseMLD2_Full)
    1862  #define ADVERTISED_20000baseKR2_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseKR2_Full)
    1863  #define ADVERTISED_40000baseKR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseKR4_Full)
    1864  #define ADVERTISED_40000baseCR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseCR4_Full)
    1865  #define ADVERTISED_40000baseSR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseSR4_Full)
    1866  #define ADVERTISED_40000baseLR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseLR4_Full)
    1867  #define ADVERTISED_56000baseKR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseKR4_Full)
    1868  #define ADVERTISED_56000baseCR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseCR4_Full)
    1869  #define ADVERTISED_56000baseSR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseSR4_Full)
    1870  #define ADVERTISED_56000baseLR4_Full	__ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseLR4_Full)
    1871  /* Please do not define any new ADVERTISED_* macro for bits > 31, see
    1872   * notice above.
    1873   */
    1874  
    1875  /* The following are all involved in forcing a particular link
    1876   * mode for the device for setting things.  When getting the
    1877   * devices settings, these indicate the current mode and whether
    1878   * it was forced up into this mode or autonegotiated.
    1879   */
    1880  
    1881  /* The forced speed, in units of 1Mb. All values 0 to INT_MAX are legal.
    1882   * Update drivers/net/phy/phy.c:phy_speed_to_str() and
    1883   * drivers/net/bonding/bond_3ad.c:__get_link_speed() when adding new values.
    1884   */
    1885  #define SPEED_10		10
    1886  #define SPEED_100		100
    1887  #define SPEED_1000		1000
    1888  #define SPEED_2500		2500
    1889  #define SPEED_5000		5000
    1890  #define SPEED_10000		10000
    1891  #define SPEED_14000		14000
    1892  #define SPEED_20000		20000
    1893  #define SPEED_25000		25000
    1894  #define SPEED_40000		40000
    1895  #define SPEED_50000		50000
    1896  #define SPEED_56000		56000
    1897  #define SPEED_100000		100000
    1898  #define SPEED_200000		200000
    1899  #define SPEED_400000		400000
    1900  #define SPEED_800000		800000
    1901  
    1902  #define SPEED_UNKNOWN		-1
    1903  
    1904  static __inline__ int ethtool_validate_speed(__u32 speed)
    1905  {
    1906  	return speed <= INT_MAX || speed == (__u32)SPEED_UNKNOWN;
    1907  }
    1908  
    1909  /* Duplex, half or full. */
    1910  #define DUPLEX_HALF		0x00
    1911  #define DUPLEX_FULL		0x01
    1912  #define DUPLEX_UNKNOWN		0xff
    1913  
    1914  static __inline__ int ethtool_validate_duplex(__u8 duplex)
    1915  {
    1916  	switch (duplex) {
    1917  	case DUPLEX_HALF:
    1918  	case DUPLEX_FULL:
    1919  	case DUPLEX_UNKNOWN:
    1920  		return 1;
    1921  	}
    1922  
    1923  	return 0;
    1924  }
    1925  
    1926  #define MASTER_SLAVE_CFG_UNSUPPORTED		0
    1927  #define MASTER_SLAVE_CFG_UNKNOWN		1
    1928  #define MASTER_SLAVE_CFG_MASTER_PREFERRED	2
    1929  #define MASTER_SLAVE_CFG_SLAVE_PREFERRED	3
    1930  #define MASTER_SLAVE_CFG_MASTER_FORCE		4
    1931  #define MASTER_SLAVE_CFG_SLAVE_FORCE		5
    1932  #define MASTER_SLAVE_STATE_UNSUPPORTED		0
    1933  #define MASTER_SLAVE_STATE_UNKNOWN		1
    1934  #define MASTER_SLAVE_STATE_MASTER		2
    1935  #define MASTER_SLAVE_STATE_SLAVE		3
    1936  #define MASTER_SLAVE_STATE_ERR			4
    1937  
    1938  /* These are used to throttle the rate of data on the phy interface when the
    1939   * native speed of the interface is higher than the link speed. These should
    1940   * not be used for phy interfaces which natively support multiple speeds (e.g.
    1941   * MII or SGMII).
    1942   */
    1943  /* No rate matching performed. */
    1944  #define RATE_MATCH_NONE		0
    1945  /* The phy sends pause frames to throttle the MAC. */
    1946  #define RATE_MATCH_PAUSE	1
    1947  /* The phy asserts CRS to prevent the MAC from transmitting. */
    1948  #define RATE_MATCH_CRS		2
    1949  /* The MAC is programmed with a sufficiently-large IPG. */
    1950  #define RATE_MATCH_OPEN_LOOP	3
    1951  
    1952  /* Which connector port. */
    1953  #define PORT_TP			0x00
    1954  #define PORT_AUI		0x01
    1955  #define PORT_MII		0x02
    1956  #define PORT_FIBRE		0x03
    1957  #define PORT_BNC		0x04
    1958  #define PORT_DA			0x05
    1959  #define PORT_NONE		0xef
    1960  #define PORT_OTHER		0xff
    1961  
    1962  /* Which transceiver to use. */
    1963  #define XCVR_INTERNAL		0x00 /* PHY and MAC are in the same package */
    1964  #define XCVR_EXTERNAL		0x01 /* PHY and MAC are in different packages */
    1965  #define XCVR_DUMMY1		0x02
    1966  #define XCVR_DUMMY2		0x03
    1967  #define XCVR_DUMMY3		0x04
    1968  
    1969  /* Enable or disable autonegotiation. */
    1970  #define AUTONEG_DISABLE		0x00
    1971  #define AUTONEG_ENABLE		0x01
    1972  
    1973  /* MDI or MDI-X status/control - if MDI/MDI_X/AUTO is set then
    1974   * the driver is required to renegotiate link
    1975   */
    1976  #define ETH_TP_MDI_INVALID	0x00 /* status: unknown; control: unsupported */
    1977  #define ETH_TP_MDI		0x01 /* status: MDI;     control: force MDI */
    1978  #define ETH_TP_MDI_X		0x02 /* status: MDI-X;   control: force MDI-X */
    1979  #define ETH_TP_MDI_AUTO		0x03 /*                  control: auto-select */
    1980  
    1981  /* Wake-On-Lan options. */
    1982  #define WAKE_PHY		(1 << 0)
    1983  #define WAKE_UCAST		(1 << 1)
    1984  #define WAKE_MCAST		(1 << 2)
    1985  #define WAKE_BCAST		(1 << 3)
    1986  #define WAKE_ARP		(1 << 4)
    1987  #define WAKE_MAGIC		(1 << 5)
    1988  #define WAKE_MAGICSECURE	(1 << 6) /* only meaningful if WAKE_MAGIC */
    1989  #define WAKE_FILTER		(1 << 7)
    1990  
    1991  #define WOL_MODE_COUNT		8
    1992  
    1993  /* L2-L4 network traffic flow types */
    1994  #define	TCP_V4_FLOW	0x01	/* hash or spec (tcp_ip4_spec) */
    1995  #define	UDP_V4_FLOW	0x02	/* hash or spec (udp_ip4_spec) */
    1996  #define	SCTP_V4_FLOW	0x03	/* hash or spec (sctp_ip4_spec) */
    1997  #define	AH_ESP_V4_FLOW	0x04	/* hash only */
    1998  #define	TCP_V6_FLOW	0x05	/* hash or spec (tcp_ip6_spec; nfc only) */
    1999  #define	UDP_V6_FLOW	0x06	/* hash or spec (udp_ip6_spec; nfc only) */
    2000  #define	SCTP_V6_FLOW	0x07	/* hash or spec (sctp_ip6_spec; nfc only) */
    2001  #define	AH_ESP_V6_FLOW	0x08	/* hash only */
    2002  #define	AH_V4_FLOW	0x09	/* hash or spec (ah_ip4_spec) */
    2003  #define	ESP_V4_FLOW	0x0a	/* hash or spec (esp_ip4_spec) */
    2004  #define	AH_V6_FLOW	0x0b	/* hash or spec (ah_ip6_spec; nfc only) */
    2005  #define	ESP_V6_FLOW	0x0c	/* hash or spec (esp_ip6_spec; nfc only) */
    2006  #define	IPV4_USER_FLOW	0x0d	/* spec only (usr_ip4_spec) */
    2007  #define	IP_USER_FLOW	IPV4_USER_FLOW
    2008  #define	IPV6_USER_FLOW	0x0e	/* spec only (usr_ip6_spec; nfc only) */
    2009  #define	IPV4_FLOW	0x10	/* hash only */
    2010  #define	IPV6_FLOW	0x11	/* hash only */
    2011  #define	ETHER_FLOW	0x12	/* spec only (ether_spec) */
    2012  /* Flag to enable additional fields in struct ethtool_rx_flow_spec */
    2013  #define	FLOW_EXT	0x80000000
    2014  #define	FLOW_MAC_EXT	0x40000000
    2015  /* Flag to enable RSS spreading of traffic matching rule (nfc only) */
    2016  #define	FLOW_RSS	0x20000000
    2017  
    2018  /* L3-L4 network traffic flow hash options */
    2019  #define	RXH_L2DA	(1 << 1)
    2020  #define	RXH_VLAN	(1 << 2)
    2021  #define	RXH_L3_PROTO	(1 << 3)
    2022  #define	RXH_IP_SRC	(1 << 4)
    2023  #define	RXH_IP_DST	(1 << 5)
    2024  #define	RXH_L4_B_0_1	(1 << 6) /* src port in case of TCP/UDP/SCTP */
    2025  #define	RXH_L4_B_2_3	(1 << 7) /* dst port in case of TCP/UDP/SCTP */
    2026  #define	RXH_DISCARD	(1 << 31)
    2027  
    2028  #define	RX_CLS_FLOW_DISC	0xffffffffffffffffULL
    2029  #define RX_CLS_FLOW_WAKE	0xfffffffffffffffeULL
    2030  
    2031  /* Special RX classification rule insert location values */
    2032  #define RX_CLS_LOC_SPECIAL	0x80000000	/* flag */
    2033  #define RX_CLS_LOC_ANY		0xffffffff
    2034  #define RX_CLS_LOC_FIRST	0xfffffffe
    2035  #define RX_CLS_LOC_LAST		0xfffffffd
    2036  
    2037  /* EEPROM Standards for plug in modules */
    2038  #define ETH_MODULE_SFF_8079		0x1
    2039  #define ETH_MODULE_SFF_8079_LEN		256
    2040  #define ETH_MODULE_SFF_8472		0x2
    2041  #define ETH_MODULE_SFF_8472_LEN		512
    2042  #define ETH_MODULE_SFF_8636		0x3
    2043  #define ETH_MODULE_SFF_8636_LEN		256
    2044  #define ETH_MODULE_SFF_8436		0x4
    2045  #define ETH_MODULE_SFF_8436_LEN		256
    2046  
    2047  #define ETH_MODULE_SFF_8636_MAX_LEN     640
    2048  #define ETH_MODULE_SFF_8436_MAX_LEN     640
    2049  
    2050  /* Reset flags */
    2051  /* The reset() operation must clear the flags for the components which
    2052   * were actually reset.  On successful return, the flags indicate the
    2053   * components which were not reset, either because they do not exist
    2054   * in the hardware or because they cannot be reset independently.  The
    2055   * driver must never reset any components that were not requested.
    2056   */
    2057  enum ethtool_reset_flags {
    2058  	/* These flags represent components dedicated to the interface
    2059  	 * the command is addressed to.  Shift any flag left by
    2060  	 * ETH_RESET_SHARED_SHIFT to reset a shared component of the
    2061  	 * same type.
    2062  	 */
    2063  	ETH_RESET_MGMT		= 1 << 0,	/* Management processor */
    2064  	ETH_RESET_IRQ		= 1 << 1,	/* Interrupt requester */
    2065  	ETH_RESET_DMA		= 1 << 2,	/* DMA engine */
    2066  	ETH_RESET_FILTER	= 1 << 3,	/* Filtering/flow direction */
    2067  	ETH_RESET_OFFLOAD	= 1 << 4,	/* Protocol offload */
    2068  	ETH_RESET_MAC		= 1 << 5,	/* Media access controller */
    2069  	ETH_RESET_PHY		= 1 << 6,	/* Transceiver/PHY */
    2070  	ETH_RESET_RAM		= 1 << 7,	/* RAM shared between
    2071  						 * multiple components */
    2072  	ETH_RESET_AP		= 1 << 8,	/* Application processor */
    2073  
    2074  	ETH_RESET_DEDICATED	= 0x0000ffff,	/* All components dedicated to
    2075  						 * this interface */
    2076  	ETH_RESET_ALL		= 0xffffffff,	/* All components used by this
    2077  						 * interface, even if shared */
    2078  };
    2079  #define ETH_RESET_SHARED_SHIFT	16
    2080  
    2081  
    2082  /**
    2083   * struct ethtool_link_settings - link control and status
    2084   *
    2085   * IMPORTANT, Backward compatibility notice: When implementing new
    2086   *	user-space tools, please first try %ETHTOOL_GLINKSETTINGS, and
    2087   *	if it succeeds use %ETHTOOL_SLINKSETTINGS to change link
    2088   *	settings; do not use %ETHTOOL_SSET if %ETHTOOL_GLINKSETTINGS
    2089   *	succeeded: stick to %ETHTOOL_GLINKSETTINGS/%SLINKSETTINGS in
    2090   *	that case.  Conversely, if %ETHTOOL_GLINKSETTINGS fails, use
    2091   *	%ETHTOOL_GSET to query and %ETHTOOL_SSET to change link
    2092   *	settings; do not use %ETHTOOL_SLINKSETTINGS if
    2093   *	%ETHTOOL_GLINKSETTINGS failed: stick to
    2094   *	%ETHTOOL_GSET/%ETHTOOL_SSET in that case.
    2095   *
    2096   * @cmd: Command number = %ETHTOOL_GLINKSETTINGS or %ETHTOOL_SLINKSETTINGS
    2097   * @speed: Link speed (Mbps)
    2098   * @duplex: Duplex mode; one of %DUPLEX_*
    2099   * @port: Physical connector type; one of %PORT_*
    2100   * @phy_address: MDIO address of PHY (transceiver); 0 or 255 if not
    2101   *	applicable.  For clause 45 PHYs this is the PRTAD.
    2102   * @autoneg: Enable/disable autonegotiation and auto-detection;
    2103   *	either %AUTONEG_DISABLE or %AUTONEG_ENABLE
    2104   * @mdio_support: Bitmask of %ETH_MDIO_SUPPORTS_* flags for the MDIO
    2105   *	protocols supported by the interface; 0 if unknown.
    2106   *	Read-only.
    2107   * @eth_tp_mdix: Ethernet twisted-pair MDI(-X) status; one of
    2108   *	%ETH_TP_MDI_*.  If the status is unknown or not applicable, the
    2109   *	value will be %ETH_TP_MDI_INVALID.  Read-only.
    2110   * @eth_tp_mdix_ctrl: Ethernet twisted pair MDI(-X) control; one of
    2111   *	%ETH_TP_MDI_*.  If MDI(-X) control is not implemented, reads
    2112   *	yield %ETH_TP_MDI_INVALID and writes may be ignored or rejected.
    2113   *	When written successfully, the link should be renegotiated if
    2114   *	necessary.
    2115   * @link_mode_masks_nwords: Number of 32-bit words for each of the
    2116   *	supported, advertising, lp_advertising link mode bitmaps. For
    2117   *	%ETHTOOL_GLINKSETTINGS: on entry, number of words passed by user
    2118   *	(>= 0); on return, if handshake in progress, negative if
    2119   *	request size unsupported by kernel: absolute value indicates
    2120   *	kernel expected size and all the other fields but cmd
    2121   *	are 0; otherwise (handshake completed), strictly positive
    2122   *	to indicate size used by kernel and cmd field stays
    2123   *	%ETHTOOL_GLINKSETTINGS, all other fields populated by driver. For
    2124   *	%ETHTOOL_SLINKSETTINGS: must be valid on entry, ie. a positive
    2125   *	value returned previously by %ETHTOOL_GLINKSETTINGS, otherwise
    2126   *	refused. For drivers: ignore this field (use kernel's
    2127   *	__ETHTOOL_LINK_MODE_MASK_NBITS instead), any change to it will
    2128   *	be overwritten by kernel.
    2129   * @supported: Bitmap with each bit meaning given by
    2130   *	%ethtool_link_mode_bit_indices for the link modes, physical
    2131   *	connectors and other link features for which the interface
    2132   *	supports autonegotiation or auto-detection.  Read-only.
    2133   * @advertising: Bitmap with each bit meaning given by
    2134   *	%ethtool_link_mode_bit_indices for the link modes, physical
    2135   *	connectors and other link features that are advertised through
    2136   *	autonegotiation or enabled for auto-detection.
    2137   * @lp_advertising: Bitmap with each bit meaning given by
    2138   *	%ethtool_link_mode_bit_indices for the link modes, and other
    2139   *	link features that the link partner advertised through
    2140   *	autonegotiation; 0 if unknown or not applicable.  Read-only.
    2141   * @transceiver: Used to distinguish different possible PHY types,
    2142   *	reported consistently by PHYLIB.  Read-only.
    2143   * @master_slave_cfg: Master/slave port mode.
    2144   * @master_slave_state: Master/slave port state.
    2145   * @rate_matching: Rate adaptation performed by the PHY
    2146   * @reserved: Reserved for future use; see the note on reserved space.
    2147   * @link_mode_masks: Variable length bitmaps.
    2148   *
    2149   * If autonegotiation is disabled, the speed and @duplex represent the
    2150   * fixed link mode and are writable if the driver supports multiple
    2151   * link modes.  If it is enabled then they are read-only; if the link
    2152   * is up they represent the negotiated link mode; if the link is down,
    2153   * the speed is 0, %SPEED_UNKNOWN or the highest enabled speed and
    2154   * @duplex is %DUPLEX_UNKNOWN or the best enabled duplex mode.
    2155   *
    2156   * Some hardware interfaces may have multiple PHYs and/or physical
    2157   * connectors fitted or do not allow the driver to detect which are
    2158   * fitted.  For these interfaces @port and/or @phy_address may be
    2159   * writable, possibly dependent on @autoneg being %AUTONEG_DISABLE.
    2160   * Otherwise, attempts to write different values may be ignored or
    2161   * rejected.
    2162   *
    2163   * Deprecated %ethtool_cmd fields transceiver, maxtxpkt and maxrxpkt
    2164   * are not available in %ethtool_link_settings. These fields will be
    2165   * always set to zero in %ETHTOOL_GSET reply and %ETHTOOL_SSET will
    2166   * fail if any of them is set to non-zero value.
    2167   *
    2168   * Users should assume that all fields not marked read-only are
    2169   * writable and subject to validation by the driver.  They should use
    2170   * %ETHTOOL_GLINKSETTINGS to get the current values before making specific
    2171   * changes and then applying them with %ETHTOOL_SLINKSETTINGS.
    2172   *
    2173   * Drivers that implement %get_link_ksettings and/or
    2174   * %set_link_ksettings should ignore the @cmd
    2175   * and @link_mode_masks_nwords fields (any change to them overwritten
    2176   * by kernel), and rely only on kernel's internal
    2177   * %__ETHTOOL_LINK_MODE_MASK_NBITS and
    2178   * %ethtool_link_mode_mask_t. Drivers that implement
    2179   * %set_link_ksettings() should validate all fields other than @cmd
    2180   * and @link_mode_masks_nwords that are not described as read-only or
    2181   * deprecated, and must ignore all fields described as read-only.
    2182   */
    2183  struct ethtool_link_settings {
    2184  	__u32	cmd;
    2185  	__u32	speed;
    2186  	__u8	duplex;
    2187  	__u8	port;
    2188  	__u8	phy_address;
    2189  	__u8	autoneg;
    2190  	__u8	mdio_support;
    2191  	__u8	eth_tp_mdix;
    2192  	__u8	eth_tp_mdix_ctrl;
    2193  	__s8	link_mode_masks_nwords;
    2194  	__u8	transceiver;
    2195  	__u8	master_slave_cfg;
    2196  	__u8	master_slave_state;
    2197  	__u8	rate_matching;
    2198  	__u32	reserved[7];
    2199  	__u32	link_mode_masks[];
    2200  	/* layout of link_mode_masks fields:
    2201  	 * __u32 map_supported[link_mode_masks_nwords];
    2202  	 * __u32 map_advertising[link_mode_masks_nwords];
    2203  	 * __u32 map_lp_advertising[link_mode_masks_nwords];
    2204  	 */
    2205  };
    2206  #endif /* _LINUX_ETHTOOL_H */