FreeBSD/Linux Kernel Cross Reference
sys/include/linux/ethtool.h

     /*
      * ethtool.h: Defines for Linux ethtool.
      *
      * Copyright (C) 1998 David S. Miller (davem@redhat.com)
      * Copyright 2001 Jeff Garzik <jgarzik@pobox.com>
      * Portions Copyright 2001 Sun Microsystems (thockin@sun.com)
      * Portions Copyright 2002 Intel (eli.kupermann@intel.com,
      *                                christopher.leech@intel.com,
      *                                scott.feldman@intel.com)
     * Portions Copyright (C) Sun Microsystems 2008
     */
    #ifndef _LINUX_ETHTOOL_H
    #define _LINUX_ETHTOOL_H
    
    #include <linux/compat.h>
    #include <uapi/linux/ethtool.h>
    
    #ifdef CONFIG_COMPAT
    
    struct compat_ethtool_rx_flow_spec {
            u32             flow_type;
            union ethtool_flow_union h_u;
            struct ethtool_flow_ext h_ext;
            union ethtool_flow_union m_u;
            struct ethtool_flow_ext m_ext;
            compat_u64      ring_cookie;
            u32             location;
    };
    
    struct compat_ethtool_rxnfc {
            u32                             cmd;
            u32                             flow_type;
            compat_u64                      data;
            struct compat_ethtool_rx_flow_spec fs;
            u32                             rule_cnt;
            u32                             rule_locs[0];
    };
    
    #endif /* CONFIG_COMPAT */
    
    #include <linux/rculist.h>
    
    extern int __ethtool_get_settings(struct net_device *dev,
                                      struct ethtool_cmd *cmd);
    
    /**
     * enum ethtool_phys_id_state - indicator state for physical identification
     * @ETHTOOL_ID_INACTIVE: Physical ID indicator should be deactivated
     * @ETHTOOL_ID_ACTIVE: Physical ID indicator should be activated
     * @ETHTOOL_ID_ON: LED should be turned on (used iff %ETHTOOL_ID_ACTIVE
     *      is not supported)
     * @ETHTOOL_ID_OFF: LED should be turned off (used iff %ETHTOOL_ID_ACTIVE
     *      is not supported)
     */
    enum ethtool_phys_id_state {
            ETHTOOL_ID_INACTIVE,
            ETHTOOL_ID_ACTIVE,
            ETHTOOL_ID_ON,
            ETHTOOL_ID_OFF
    };
    
    struct net_device;
    
    /* Some generic methods drivers may use in their ethtool_ops */
    u32 ethtool_op_get_link(struct net_device *dev);
    int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *eti);
    
    /**
     * ethtool_rxfh_indir_default - get default value for RX flow hash indirection
     * @index: Index in RX flow hash indirection table
     * @n_rx_rings: Number of RX rings to use
     *
     * This function provides the default policy for RX flow hash indirection.
     */
    static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings)
    {
            return index % n_rx_rings;
    }
    
    /**
     * struct ethtool_ops - optional netdev operations
     * @get_settings: Get various device settings including Ethernet link
     *      settings. The @cmd parameter is expected to have been cleared
     *      before get_settings is called. Returns a negative error code or
     *      zero.
     * @set_settings: Set various device settings including Ethernet link
     *      settings.  Returns a negative error code or zero.
     * @get_drvinfo: Report driver/device information.  Should only set the
     *      @driver, @version, @fw_version and @bus_info fields.  If not
     *      implemented, the @driver and @bus_info fields will be filled in
     *      according to the netdev's parent device.
     * @get_regs_len: Get buffer length required for @get_regs
     * @get_regs: Get device registers
     * @get_wol: Report whether Wake-on-Lan is enabled
     * @set_wol: Turn Wake-on-Lan on or off.  Returns a negative error code
     *      or zero.
     * @get_msglevel: Report driver message level.  This should be the value
     *      of the @msg_enable field used by netif logging functions.
     * @set_msglevel: Set driver message level
    * @nway_reset: Restart autonegotiation.  Returns a negative error code
    *      or zero.
    * @get_link: Report whether physical link is up.  Will only be called if
    *      the netdev is up.  Should usually be set to ethtool_op_get_link(),
    *      which uses netif_carrier_ok().
    * @get_eeprom: Read data from the device EEPROM.
    *      Should fill in the magic field.  Don't need to check len for zero
    *      or wraparound.  Fill in the data argument with the eeprom values
    *      from offset to offset + len.  Update len to the amount read.
    *      Returns an error or zero.
    * @set_eeprom: Write data to the device EEPROM.
    *      Should validate the magic field.  Don't need to check len for zero
    *      or wraparound.  Update len to the amount written.  Returns an error
    *      or zero.
    * @get_coalesce: Get interrupt coalescing parameters.  Returns a negative
    *      error code or zero.
    * @set_coalesce: Set interrupt coalescing parameters.  Returns a negative
    *      error code or zero.
    * @get_ringparam: Report ring sizes
    * @set_ringparam: Set ring sizes.  Returns a negative error code or zero.
    * @get_pauseparam: Report pause parameters
    * @set_pauseparam: Set pause parameters.  Returns a negative error code
    *      or zero.
    * @self_test: Run specified self-tests
    * @get_strings: Return a set of strings that describe the requested objects
    * @set_phys_id: Identify the physical devices, e.g. by flashing an LED
    *      attached to it.  The implementation may update the indicator
    *      asynchronously or synchronously, but in either case it must return
    *      quickly.  It is initially called with the argument %ETHTOOL_ID_ACTIVE,
    *      and must either activate asynchronous updates and return zero, return
    *      a negative error or return a positive frequency for synchronous
    *      indication (e.g. 1 for one on/off cycle per second).  If it returns
    *      a frequency then it will be called again at intervals with the
    *      argument %ETHTOOL_ID_ON or %ETHTOOL_ID_OFF and should set the state of
    *      the indicator accordingly.  Finally, it is called with the argument
    *      %ETHTOOL_ID_INACTIVE and must deactivate the indicator.  Returns a
    *      negative error code or zero.
    * @get_ethtool_stats: Return extended statistics about the device.
    *      This is only useful if the device maintains statistics not
    *      included in &struct rtnl_link_stats64.
    * @begin: Function to be called before any other operation.  Returns a
    *      negative error code or zero.
    * @complete: Function to be called after any other operation except
    *      @begin.  Will be called even if the other operation failed.
    * @get_priv_flags: Report driver-specific feature flags.
    * @set_priv_flags: Set driver-specific feature flags.  Returns a negative
    *      error code or zero.
    * @get_sset_count: Get number of strings that @get_strings will write.
    * @get_rxnfc: Get RX flow classification rules.  Returns a negative
    *      error code or zero.
    * @set_rxnfc: Set RX flow classification rules.  Returns a negative
    *      error code or zero.
    * @flash_device: Write a firmware image to device's flash memory.
    *      Returns a negative error code or zero.
    * @reset: Reset (part of) the device, as specified by a bitmask of
    *      flags from &enum ethtool_reset_flags.  Returns a negative
    *      error code or zero.
    * @get_rxfh_indir_size: Get the size of the RX flow hash indirection table.
    *      Returns zero if not supported for this specific device.
    * @get_rxfh_indir: Get the contents of the RX flow hash indirection table.
    *      Will not be called if @get_rxfh_indir_size returns zero.
    *      Returns a negative error code or zero.
    * @set_rxfh_indir: Set the contents of the RX flow hash indirection table.
    *      Will not be called if @get_rxfh_indir_size returns zero.
    *      Returns a negative error code or zero.
    * @get_channels: Get number of channels.
    * @set_channels: Set number of channels.  Returns a negative error code or
    *      zero.
    * @get_dump_flag: Get dump flag indicating current dump length, version,
    *                 and flag of the device.
    * @get_dump_data: Get dump data.
    * @set_dump: Set dump specific flags to the device.
    * @get_ts_info: Get the time stamping and PTP hardware clock capabilities.
    *      Drivers supporting transmit time stamps in software should set this to
    *      ethtool_op_get_ts_info().
    * @get_module_info: Get the size and type of the eeprom contained within
    *      a plug-in module.
    * @get_module_eeprom: Get the eeprom information from the plug-in module
    * @get_eee: Get Energy-Efficient (EEE) supported and status.
    * @set_eee: Set EEE status (enable/disable) as well as LPI timers.
    *
    * All operations are optional (i.e. the function pointer may be set
    * to %NULL) and callers must take this into account.  Callers must
    * hold the RTNL lock.
    *
    * See the structures used by these operations for further documentation.
    *
    * See &struct net_device and &struct net_device_ops for documentation
    * of the generic netdev features interface.
    */
   struct ethtool_ops {
           int     (*get_settings)(struct net_device *, struct ethtool_cmd *);
           int     (*set_settings)(struct net_device *, struct ethtool_cmd *);
           void    (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *);
           int     (*get_regs_len)(struct net_device *);
           void    (*get_regs)(struct net_device *, struct ethtool_regs *, void *);
           void    (*get_wol)(struct net_device *, struct ethtool_wolinfo *);
           int     (*set_wol)(struct net_device *, struct ethtool_wolinfo *);
           u32     (*get_msglevel)(struct net_device *);
           void    (*set_msglevel)(struct net_device *, u32);
           int     (*nway_reset)(struct net_device *);
           u32     (*get_link)(struct net_device *);
           int     (*get_eeprom_len)(struct net_device *);
           int     (*get_eeprom)(struct net_device *,
                                 struct ethtool_eeprom *, u8 *);
           int     (*set_eeprom)(struct net_device *,
                                 struct ethtool_eeprom *, u8 *);
           int     (*get_coalesce)(struct net_device *, struct ethtool_coalesce *);
           int     (*set_coalesce)(struct net_device *, struct ethtool_coalesce *);
           void    (*get_ringparam)(struct net_device *,
                                    struct ethtool_ringparam *);
           int     (*set_ringparam)(struct net_device *,
                                    struct ethtool_ringparam *);
           void    (*get_pauseparam)(struct net_device *,
                                     struct ethtool_pauseparam*);
           int     (*set_pauseparam)(struct net_device *,
                                     struct ethtool_pauseparam*);
           void    (*self_test)(struct net_device *, struct ethtool_test *, u64 *);
           void    (*get_strings)(struct net_device *, u32 stringset, u8 *);
           int     (*set_phys_id)(struct net_device *, enum ethtool_phys_id_state);
           void    (*get_ethtool_stats)(struct net_device *,
                                        struct ethtool_stats *, u64 *);
           int     (*begin)(struct net_device *);
           void    (*complete)(struct net_device *);
           u32     (*get_priv_flags)(struct net_device *);
           int     (*set_priv_flags)(struct net_device *, u32);
           int     (*get_sset_count)(struct net_device *, int);
           int     (*get_rxnfc)(struct net_device *,
                                struct ethtool_rxnfc *, u32 *rule_locs);
           int     (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
           int     (*flash_device)(struct net_device *, struct ethtool_flash *);
           int     (*reset)(struct net_device *, u32 *);
           u32     (*get_rxfh_indir_size)(struct net_device *);
           int     (*get_rxfh_indir)(struct net_device *, u32 *);
           int     (*set_rxfh_indir)(struct net_device *, const u32 *);
           void    (*get_channels)(struct net_device *, struct ethtool_channels *);
           int     (*set_channels)(struct net_device *, struct ethtool_channels *);
           int     (*get_dump_flag)(struct net_device *, struct ethtool_dump *);
           int     (*get_dump_data)(struct net_device *,
                                    struct ethtool_dump *, void *);
           int     (*set_dump)(struct net_device *, struct ethtool_dump *);
           int     (*get_ts_info)(struct net_device *, struct ethtool_ts_info *);
           int     (*get_module_info)(struct net_device *,
                                      struct ethtool_modinfo *);
           int     (*get_module_eeprom)(struct net_device *,
                                        struct ethtool_eeprom *, u8 *);
           int     (*get_eee)(struct net_device *, struct ethtool_eee *);
           int     (*set_eee)(struct net_device *, struct ethtool_eee *);
   
   
   };
   #endif /* _LINUX_ETHTOOL_H */

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