Netlink interface for ethtool¶

Basic information¶

Netlink interface for ethtool uses generic netlink family ethtool (userspace application should use macros ETHTOOL_GENL_NAME and ETHTOOL_GENL_VERSION defined in <linux/ethtool_netlink.h> uapi header). This family does not use a specific header, all information in requests and replies is passed using netlink attributes.

The ethtool netlink interface uses extended ACK for error and warning reporting, userspace application developers are encouraged to make these messages available to user in a suitable way.

Requests can be divided into three categories: “get” (retrieving information), “set” (setting parameters) and “action” (invoking an action).

All “set” and “action” type requests require admin privileges (CAP_NET_ADMIN in the namespace). Most “get” type requests are allowed for anyone but there are exceptions (where the response contains sensitive information). In some cases, the request as such is allowed for anyone but unprivileged users have attributes with sensitive information (e.g. wake-on-lan password) omitted.

Conventions¶

Attributes which represent a boolean value usually use NLA_U8 type so that we can distinguish three states: “on”, “off” and “not present” (meaning the information is not available in “get” requests or value is not to be changed in “set” requests). For these attributes, the “true” value should be passed as number 1 but any non-zero value should be understood as “true” by recipient. In the tables below, “bool” denotes NLA_U8 attributes interpreted in this way.

In the message structure descriptions below, if an attribute name is suffixed with “+”, parent nest can contain multiple attributes of the same type. This implements an array of entries.

Request header¶

Each request or reply message contains a nested attribute with common header. Structure of this header is

ETHTOOL_A_HEADER_DEV_INDEX u32 device ifindex

ETHTOOL_A_HEADER_DEV_NAME string device name

ETHTOOL_A_HEADER_FLAGS u32 flags common for all requests

ETHTOOL_A_HEADER_DEV_INDEX and ETHTOOL_A_HEADER_DEV_NAME identify the device message relates to. One of them is sufficient in requests, if both are used, they must identify the same device. Some requests, e.g. global string sets, do not require device identification. Most GET requests also allow dump requests without device identification to query the same information for all devices providing it (each device in a separate message).

ETHTOOL_A_HEADER_FLAGS is a bitmap of request flags common for all request types. The interpretation of these flags is the same for all request types but the flags may not apply to requests. Recognized flags are:

ETHTOOL_FLAG_COMPACT_BITSETS use compact format bitsets in reply

ETHTOOL_FLAG_OMIT_REPLY omit optional reply (_SET and _ACT)

ETHTOOL_FLAG_STATS include optional device statistics

New request flags should follow the general idea that if the flag is not set, the behaviour is backward compatible, i.e. requests from old clients not aware of the flag should be interpreted the way the client expects. A client must not set flags it does not understand.

Bit sets¶

For short bitmaps of (reasonably) fixed length, standard NLA_BITFIELD32 type is used. For arbitrary length bitmaps, ethtool netlink uses a nested attribute with contents of one of two forms: compact (two binary bitmaps representing bit values and mask of affected bits) and bit-by-bit (list of bits identified by either index or name).

Verbose (bit-by-bit) bitsets allow sending symbolic names for bits together with their values which saves a round trip (when the bitset is passed in a request) or at least a second request (when the bitset is in a reply). This is useful for one shot applications like traditional ethtool command. On the other hand, long running applications like ethtool monitor (displaying notifications) or network management daemons may prefer fetching the names only once and using compact form to save message size. Notifications from ethtool netlink interface always use compact form for bitsets.

A bitset can represent either a value/mask pair (ETHTOOL_A_BITSET_NOMASK not set) or a single bitmap (ETHTOOL_A_BITSET_NOMASK set). In requests modifying a bitmap, the former changes the bit set in mask to values set in value and preserves the rest; the latter sets the bits set in the bitmap and clears the rest.

Compact form: nested (bitset) atrribute contents:

ETHTOOL_A_BITSET_NOMASK flag no mask, only a list

ETHTOOL_A_BITSET_SIZE u32 number of significant bits

ETHTOOL_A_BITSET_VALUE binary bitmap of bit values

ETHTOOL_A_BITSET_MASK binary bitmap of valid bits

Value and mask must have length at least ETHTOOL_A_BITSET_SIZE bits rounded up to a multiple of 32 bits. They consist of 32-bit words in host byte order, words ordered from least significant to most significant (i.e. the same way as bitmaps are passed with ioctl interface).

For compact form, ETHTOOL_A_BITSET_SIZE and ETHTOOL_A_BITSET_VALUE are mandatory. ETHTOOL_A_BITSET_MASK attribute is mandatory if ETHTOOL_A_BITSET_NOMASK is not set (bitset represents a value/mask pair); if ETHTOOL_A_BITSET_NOMASK is not set, ETHTOOL_A_BITSET_MASK is not allowed (bitset represents a single bitmap.

Kernel bit set length may differ from userspace length if older application is used on newer kernel or vice versa. If userspace bitmap is longer, an error is issued only if the request actually tries to set values of some bits not recognized by kernel.

Bit-by-bit form: nested (bitset) attribute contents:

ETHTOOL_A_BITSET_NOMASK flag no mask, only a list

ETHTOOL_A_BITSET_SIZE u32 number of significant bits

ETHTOOL_A_BITSET_BITS nested array of bits

ETHTOOL_A_BITSET_BITS_BIT+ nested one bit

ETHTOOL_A_BITSET_BIT_INDEX u32 bit index (0 for LSB)

ETHTOOL_A_BITSET_BIT_NAME string bit name

ETHTOOL_A_BITSET_BIT_VALUE flag present if bit is set

Bit size is optional for bit-by-bit form. ETHTOOL_A_BITSET_BITS nest can only contain ETHTOOL_A_BITSET_BITS_BIT attributes but there can be an arbitrary number of them. A bit may be identified by its index or by its name. When used in requests, listed bits are set to 0 or 1 according to ETHTOOL_A_BITSET_BIT_VALUE, the rest is preserved. A request fails if index exceeds kernel bit length or if name is not recognized.

When ETHTOOL_A_BITSET_NOMASK flag is present, bitset is interpreted as a simple bitmap. ETHTOOL_A_BITSET_BIT_VALUE attributes are not used in such case. Such bitset represents a bitmap with listed bits set and the rest zero.

In requests, application can use either form. Form used by kernel in reply is determined by ETHTOOL_FLAG_COMPACT_BITSETS flag in flags field of request header. Semantics of value and mask depends on the attribute.

List of message types¶

All constants identifying message types use ETHTOOL_CMD_ prefix and suffix according to message purpose:

_GET userspace request to retrieve data

_SET userspace request to set data

_ACT userspace request to perform an action

_GET_REPLY kernel reply to a GET request

_SET_REPLY kernel reply to a SET request

_ACT_REPLY kernel reply to an ACT request

_NTF kernel notification

Userspace to kernel:

ETHTOOL_MSG_STRSET_GET get string set

ETHTOOL_MSG_LINKINFO_GET get link settings

ETHTOOL_MSG_LINKINFO_SET set link settings

ETHTOOL_MSG_LINKMODES_GET get link modes info

ETHTOOL_MSG_LINKMODES_SET set link modes info

ETHTOOL_MSG_LINKSTATE_GET get link state

ETHTOOL_MSG_DEBUG_GET get debugging settings

ETHTOOL_MSG_DEBUG_SET set debugging settings

ETHTOOL_MSG_WOL_GET get wake-on-lan settings

ETHTOOL_MSG_WOL_SET set wake-on-lan settings

ETHTOOL_MSG_FEATURES_GET get device features

ETHTOOL_MSG_FEATURES_SET set device features

ETHTOOL_MSG_PRIVFLAGS_GET get private flags

ETHTOOL_MSG_PRIVFLAGS_SET set private flags

ETHTOOL_MSG_RINGS_GET get ring sizes

ETHTOOL_MSG_RINGS_SET set ring sizes

ETHTOOL_MSG_CHANNELS_GET get channel counts

ETHTOOL_MSG_CHANNELS_SET set channel counts

ETHTOOL_MSG_COALESCE_GET get coalescing parameters

ETHTOOL_MSG_COALESCE_SET set coalescing parameters

ETHTOOL_MSG_PAUSE_GET get pause parameters

ETHTOOL_MSG_PAUSE_SET set pause parameters

ETHTOOL_MSG_EEE_GET get EEE settings

ETHTOOL_MSG_EEE_SET set EEE settings

ETHTOOL_MSG_TSINFO_GET get timestamping info

ETHTOOL_MSG_CABLE_TEST_ACT action start cable test

ETHTOOL_MSG_CABLE_TEST_TDR_ACT action start raw TDR cable test

ETHTOOL_MSG_TUNNEL_INFO_GET get tunnel offload info

Kernel to userspace:

ETHTOOL_MSG_STRSET_GET_REPLY string set contents

ETHTOOL_MSG_LINKINFO_GET_REPLY link settings

ETHTOOL_MSG_LINKINFO_NTF link settings notification

ETHTOOL_MSG_LINKMODES_GET_REPLY link modes info

ETHTOOL_MSG_LINKMODES_NTF link modes notification

ETHTOOL_MSG_LINKSTATE_GET_REPLY link state info

ETHTOOL_MSG_DEBUG_GET_REPLY debugging settings

ETHTOOL_MSG_DEBUG_NTF debugging settings notification

ETHTOOL_MSG_WOL_GET_REPLY wake-on-lan settings

ETHTOOL_MSG_WOL_NTF wake-on-lan settings notification

ETHTOOL_MSG_FEATURES_GET_REPLY device features

ETHTOOL_MSG_FEATURES_SET_REPLY optional reply to FEATURES_SET

ETHTOOL_MSG_FEATURES_NTF netdev features notification

ETHTOOL_MSG_PRIVFLAGS_GET_REPLY private flags

ETHTOOL_MSG_PRIVFLAGS_NTF private flags

ETHTOOL_MSG_RINGS_GET_REPLY ring sizes

ETHTOOL_MSG_RINGS_NTF ring sizes

ETHTOOL_MSG_CHANNELS_GET_REPLY channel counts

ETHTOOL_MSG_CHANNELS_NTF channel counts

ETHTOOL_MSG_COALESCE_GET_REPLY coalescing parameters

ETHTOOL_MSG_COALESCE_NTF coalescing parameters

ETHTOOL_MSG_PAUSE_GET_REPLY pause parameters

ETHTOOL_MSG_PAUSE_NTF pause parameters

ETHTOOL_MSG_EEE_GET_REPLY EEE settings

ETHTOOL_MSG_EEE_NTF EEE settings

ETHTOOL_MSG_TSINFO_GET_REPLY timestamping info

ETHTOOL_MSG_CABLE_TEST_NTF Cable test results

ETHTOOL_MSG_CABLE_TEST_TDR_NTF Cable test TDR results

ETHTOOL_MSG_TUNNEL_INFO_GET_REPLY tunnel offload info

GET requests are sent by userspace applications to retrieve device information. They usually do not contain any message specific attributes. Kernel replies with corresponding “GET_REPLY” message. For most types, GET request with NLM_F_DUMP and no device identification can be used to query the information for all devices supporting the request.

If the data can be also modified, corresponding SET message with the same layout as corresponding GET_REPLY is used to request changes. Only attributes where a change is requested are included in such request (also, not all attributes may be changed). Replies to most SET request consist only of error code and extack; if kernel provides additional data, it is sent in the form of corresponding SET_REPLY message which can be suppressed by setting ETHTOOL_FLAG_OMIT_REPLY flag in request header.

Data modification also triggers sending a NTF message with a notification. These usually bear only a subset of attributes which was affected by the change. The same notification is issued if the data is modified using other means (mostly ioctl ethtool interface). Unlike notifications from ethtool netlink code which are only sent if something actually changed, notifications triggered by ioctl interface may be sent even if the request did not actually change any data.

ACT messages request kernel (driver) to perform a specific action. If some information is reported by kernel (which can be suppressed by setting ETHTOOL_FLAG_OMIT_REPLY flag in request header), the reply takes form of an ACT_REPLY message. Performing an action also triggers a notification (NTF message).

Later sections describe the format and semantics of these messages.

STRSET_GET¶

Requests contents of a string set as provided by ioctl commands ETHTOOL_GSSET_INFO and ETHTOOL_GSTRINGS. String sets are not user writeable so that the corresponding STRSET_SET message is only used in kernel replies. There are two types of string sets: global (independent of a device, e.g. device feature names) and device specific (e.g. device private flags).

Request contents:

ETHTOOL_A_STRSET_HEADER nested request header

ETHTOOL_A_STRSET_STRINGSETS nested string set to request

ETHTOOL_A_STRINGSETS_STRINGSET+ nested one string set

ETHTOOL_A_STRINGSET_ID u32 set id

Kernel response contents:

ETHTOOL_A_STRSET_HEADER nested reply header

ETHTOOL_A_STRSET_STRINGSETS nested array of string sets

ETHTOOL_A_STRINGSETS_STRINGSET+ nested one string set

ETHTOOL_A_STRINGSET_ID u32 set id

ETHTOOL_A_STRINGSET_COUNT u32 number of strings

ETHTOOL_A_STRINGSET_STRINGS nested array of strings

ETHTOOL_A_STRINGS_STRING+ nested one string

ETHTOOL_A_STRING_INDEX u32 string index

ETHTOOL_A_STRING_VALUE string string value

ETHTOOL_A_STRSET_COUNTS_ONLY flag return only counts

Device identification in request header is optional. Depending on its presence a and NLM_F_DUMP flag, there are three type of STRSET_GET requests:

no NLM_F_DUMP, no device: get “global” stringsets

no NLM_F_DUMP, with device: get string sets related to the device

NLM_F_DUMP, no device: get device related string sets for all devices

If there is no ETHTOOL_A_STRSET_STRINGSETS array, all string sets of requested type are returned, otherwise only those specified in the request. Flag ETHTOOL_A_STRSET_COUNTS_ONLY tells kernel to only return string counts of the sets, not the actual strings.

LINKINFO_GET¶

Requests link settings as provided by ETHTOOL_GLINKSETTINGS except for link modes and autonegotiation related information. The request does not use any attributes.

Request contents:

ETHTOOL_A_LINKINFO_HEADER nested request header

Kernel response contents:

ETHTOOL_A_LINKINFO_HEADER nested reply header

ETHTOOL_A_LINKINFO_PORT u8 physical port

ETHTOOL_A_LINKINFO_PHYADDR u8 phy MDIO address

ETHTOOL_A_LINKINFO_TP_MDIX u8 MDI(-X) status

ETHTOOL_A_LINKINFO_TP_MDIX_CTRL u8 MDI(-X) control

ETHTOOL_A_LINKINFO_TRANSCEIVER u8 transceiver

Attributes and their values have the same meaning as matching members of the corresponding ioctl structures.

LINKINFO_GET allows dump requests (kernel returns reply message for all devices supporting the request).

LINKINFO_SET¶

LINKINFO_SET request allows setting some of the attributes reported by LINKINFO_GET.

Request contents:

ETHTOOL_A_LINKINFO_HEADER nested request header

ETHTOOL_A_LINKINFO_PORT u8 physical port

ETHTOOL_A_LINKINFO_PHYADDR u8 phy MDIO address

ETHTOOL_A_LINKINFO_TP_MDIX_CTRL u8 MDI(-X) control

MDI(-X) status and transceiver cannot be set, request with the corresponding attributes is rejected.

LINKMODES_GET¶

Requests link modes (supported, advertised and peer advertised) and related information (autonegotiation status, link speed and duplex) as provided by ETHTOOL_GLINKSETTINGS. The request does not use any attributes.

Request contents:

ETHTOOL_A_LINKMODES_HEADER nested request header

Kernel response contents:

ETHTOOL_A_LINKMODES_HEADER nested reply header

ETHTOOL_A_LINKMODES_AUTONEG u8 autonegotiation status

ETHTOOL_A_LINKMODES_OURS bitset advertised link modes

ETHTOOL_A_LINKMODES_PEER bitset partner link modes

ETHTOOL_A_LINKMODES_SPEED u32 link speed (Mb/s)

ETHTOOL_A_LINKMODES_DUPLEX u8 duplex mode

ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG u8 Master/slave port mode

ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE u8 Master/slave port state

For ETHTOOL_A_LINKMODES_OURS, value represents advertised modes and mask represents supported modes. ETHTOOL_A_LINKMODES_PEER in the reply is a bit list.

LINKMODES_GET allows dump requests (kernel returns reply messages for all devices supporting the request).

LINKMODES_SET¶

Request contents:

ETHTOOL_A_LINKMODES_HEADER nested request header

ETHTOOL_A_LINKMODES_AUTONEG u8 autonegotiation status

ETHTOOL_A_LINKMODES_OURS bitset advertised link modes

ETHTOOL_A_LINKMODES_PEER bitset partner link modes

ETHTOOL_A_LINKMODES_SPEED u32 link speed (Mb/s)

ETHTOOL_A_LINKMODES_DUPLEX u8 duplex mode

ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG u8 Master/slave port mode

ETHTOOL_A_LINKMODES_OURS bit set allows setting advertised link modes. If autonegotiation is on (either set now or kept from before), advertised modes are not changed (no ETHTOOL_A_LINKMODES_OURS attribute) and at least one of speed and duplex is specified, kernel adjusts advertised modes to all supported modes matching speed, duplex or both (whatever is specified). This autoselection is done on ethtool side with ioctl interface, netlink interface is supposed to allow requesting changes without knowing what exactly kernel supports.

LINKSTATE_GET¶

Requests link state information. Link up/down flag (as provided by ETHTOOL_GLINK ioctl command) is provided. Optionally, extended state might be provided as well. In general, extended state describes reasons for why a port is down, or why it operates in some non-obvious mode. This request does not have any attributes.

Request contents:

ETHTOOL_A_LINKSTATE_HEADER nested request header

Kernel response contents:

ETHTOOL_A_LINKSTATE_HEADER nested reply header

ETHTOOL_A_LINKSTATE_LINK bool link state (up/down)

ETHTOOL_A_LINKSTATE_SQI u32 Current Signal Quality Index

ETHTOOL_A_LINKSTATE_SQI_MAX u32 Max support SQI value

ETHTOOL_A_LINKSTATE_EXT_STATE u8 link extended state

ETHTOOL_A_LINKSTATE_EXT_SUBSTATE u8 link extended substate

For most NIC drivers, the value of ETHTOOL_A_LINKSTATE_LINK returns carrier flag provided by netif_carrier_ok() but there are drivers which define their own handler.

ETHTOOL_A_LINKSTATE_EXT_STATE and ETHTOOL_A_LINKSTATE_EXT_SUBSTATE are optional values. ethtool core can provide either both ETHTOOL_A_LINKSTATE_EXT_STATE and ETHTOOL_A_LINKSTATE_EXT_SUBSTATE, or only ETHTOOL_A_LINKSTATE_EXT_STATE, or none of them.

LINKSTATE_GET allows dump requests (kernel returns reply messages for all devices supporting the request).

Link extended states:

ETHTOOL_LINK_EXT_STATE_AUTONEG States relating to the autonegotiation or issues therein

ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE Failure during link training

ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH Logical mismatch in physical coding sublayer or forward error correction sublayer

ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY Signal integrity issues

ETHTOOL_LINK_EXT_STATE_NO_CABLE No cable connected

ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE Failure is related to cable, e.g., unsupported cable

ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE Failure is related to EEPROM, e.g., failure during reading or parsing the data

ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE Failure during calibration algorithm

ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED The hardware is not able to provide the power required from cable or module

ETHTOOL_LINK_EXT_STATE_OVERHEAT The module is overheated

Link extended substates:

Autoneg substates:

ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED Peer side is down

ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED Ack not received from peer side

ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED Next page exchange failed

ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE Peer side is down during force mode or there is no agreement of speed

ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE Forward error correction modes in both sides are mismatched

ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD No Highest Common Denominator

Link training substates:

ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED Frames were not recognized, the lock failed

ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT The lock did not occur before timeout

ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY Peer side did not send ready signal after training process

ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT Remote side is not ready yet

Link logical mismatch substates:

ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK Physical coding sublayer was not locked in first phase - block lock

ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK Physical coding sublayer was not locked in second phase - alignment markers lock

ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS Physical coding sublayer did not get align status

ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED FC forward error correction is not locked

ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED RS forward error correction is not locked

Bad signal integrity substates:

ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS Large number of physical errors

ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE The system attempted to operate the cable at a rate that is not formally supported, which led to signal integrity issues

Cable issue substates:

ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE Unsupported cable

ETHTOOL_LINK_EXT_SUBSTATE_CI_CABLE_TEST_FAILURE Cable test failure

DEBUG_GET¶

Requests debugging settings of a device. At the moment, only message mask is provided.

Request contents:

ETHTOOL_A_DEBUG_HEADER nested request header

Kernel response contents:

ETHTOOL_A_DEBUG_HEADER nested reply header

ETHTOOL_A_DEBUG_MSGMASK bitset message mask

The message mask (ETHTOOL_A_DEBUG_MSGMASK) is equal to message level as provided by ETHTOOL_GMSGLVL and set by ETHTOOL_SMSGLVL in ioctl interface. While it is called message level there for historical reasons, most drivers and almost all newer drivers use it as a mask of enabled message classes (represented by NETIF_MSG_* constants); therefore netlink interface follows its actual use in practice.

DEBUG_GET allows dump requests (kernel returns reply messages for all devices supporting the request).

DEBUG_SET¶

Set or update debugging settings of a device. At the moment, only message mask is supported.

Request contents:

ETHTOOL_A_DEBUG_HEADER nested request header

ETHTOOL_A_DEBUG_MSGMASK bitset message mask

ETHTOOL_A_DEBUG_MSGMASK bit set allows setting or modifying mask of enabled debugging message types for the device.

WOL_GET¶

Query device wake-on-lan settings. Unlike most “GET” type requests, ETHTOOL_MSG_WOL_GET requires (netns) CAP_NET_ADMIN privileges as it (potentially) provides SecureOn(tm) password which is confidential.

Request contents:

ETHTOOL_A_WOL_HEADER nested request header

Kernel response contents:

ETHTOOL_A_WOL_HEADER nested reply header

ETHTOOL_A_WOL_MODES bitset mask of enabled WoL modes

ETHTOOL_A_WOL_SOPASS binary SecureOn(tm) password

In reply, ETHTOOL_A_WOL_MODES mask consists of modes supported by the device, value of modes which are enabled. ETHTOOL_A_WOL_SOPASS is only included in reply if WAKE_MAGICSECURE mode is supported.

WOL_SET¶

Set or update wake-on-lan settings.

Request contents:

ETHTOOL_A_WOL_HEADER nested request header

ETHTOOL_A_WOL_MODES bitset enabled WoL modes

ETHTOOL_A_WOL_SOPASS binary SecureOn(tm) password

ETHTOOL_A_WOL_SOPASS is only allowed for devices supporting WAKE_MAGICSECURE mode.

FEATURES_GET¶

Gets netdev features like ETHTOOL_GFEATURES ioctl request.

Request contents:

ETHTOOL_A_FEATURES_HEADER nested request header

Kernel response contents:

ETHTOOL_A_FEATURES_HEADER nested reply header

ETHTOOL_A_FEATURES_HW bitset dev->hw_features

ETHTOOL_A_FEATURES_WANTED bitset dev->wanted_features

ETHTOOL_A_FEATURES_ACTIVE bitset dev->features

ETHTOOL_A_FEATURES_NOCHANGE bitset NETIF_F_NEVER_CHANGE

Bitmaps in kernel response have the same meaning as bitmaps used in ioctl interference but attribute names are different (they are based on corresponding members of struct net_device). Legacy “flags” are not provided, if userspace needs them (most likely only ethtool for backward compatibility), it can calculate their values from related feature bits itself. ETHA_FEATURES_HW uses mask consisting of all features recognized by kernel (to provide all names when using verbose bitmap format), the other three use no mask (simple bit lists).

FEATURES_SET¶

Request to set netdev features like ETHTOOL_SFEATURES ioctl request.

Request contents:

ETHTOOL_A_FEATURES_HEADER nested request header

ETHTOOL_A_FEATURES_WANTED bitset requested features

Kernel response contents:

ETHTOOL_A_FEATURES_HEADER nested reply header

ETHTOOL_A_FEATURES_WANTED bitset diff wanted vs. result

ETHTOOL_A_FEATURES_ACTIVE bitset diff old vs. new active

Request constains only one bitset which can be either value/mask pair (request to change specific feature bits and leave the rest) or only a value (request to set all features to specified set).

As request is subject to netdev_change_features() sanity checks, optional kernel reply (can be suppressed by ETHTOOL_FLAG_OMIT_REPLY flag in request header) informs client about the actual result. ETHTOOL_A_FEATURES_WANTED reports the difference between client request and actual result: mask consists of bits which differ between requested features and result (dev->features after the operation), value consists of values of these bits in the request (i.e. negated values from resulting features). ETHTOOL_A_FEATURES_ACTIVE reports the difference between old and new dev->features: mask consists of bits which have changed, values are their values in new dev->features (after the operation).

ETHTOOL_MSG_FEATURES_NTF notification is sent not only if device features are modified using ETHTOOL_MSG_FEATURES_SET request or on of ethtool ioctl request but also each time features are modified with netdev_update_features() or netdev_change_features().

PRIVFLAGS_GET¶

Gets private flags like ETHTOOL_GPFLAGS ioctl request.

Request contents:

ETHTOOL_A_PRIVFLAGS_HEADER nested request header

Kernel response contents:

ETHTOOL_A_PRIVFLAGS_HEADER nested reply header

ETHTOOL_A_PRIVFLAGS_FLAGS bitset private flags

ETHTOOL_A_PRIVFLAGS_FLAGS is a bitset with values of device private flags. These flags are defined by driver, their number and names (and also meaning) are device dependent. For compact bitset format, names can be retrieved as ETH_SS_PRIV_FLAGS string set. If verbose bitset format is requested, response uses all private flags supported by the device as mask so that client gets the full information without having to fetch the string set with names.

PRIVFLAGS_SET¶

Sets or modifies values of device private flags like ETHTOOL_SPFLAGS ioctl request.

Request contents:

ETHTOOL_A_PRIVFLAGS_HEADER nested request header

ETHTOOL_A_PRIVFLAGS_FLAGS bitset private flags

ETHTOOL_A_PRIVFLAGS_FLAGS can either set the whole set of private flags or modify only values of some of them.

RINGS_GET¶

Gets ring sizes like ETHTOOL_GRINGPARAM ioctl request.

Request contents:

ETHTOOL_A_RINGS_HEADER nested request header

Kernel response contents:

ETHTOOL_A_RINGS_HEADER nested reply header

ETHTOOL_A_RINGS_RX_MAX u32 max size of RX ring

ETHTOOL_A_RINGS_RX_MINI_MAX u32 max size of RX mini ring

ETHTOOL_A_RINGS_RX_JUMBO_MAX u32 max size of RX jumbo ring

ETHTOOL_A_RINGS_TX_MAX u32 max size of TX ring

ETHTOOL_A_RINGS_RX u32 size of RX ring

ETHTOOL_A_RINGS_RX_MINI u32 size of RX mini ring

ETHTOOL_A_RINGS_RX_JUMBO u32 size of RX jumbo ring

ETHTOOL_A_RINGS_TX u32 size of TX ring

RINGS_SET¶

Sets ring sizes like ETHTOOL_SRINGPARAM ioctl request.

Request contents:

ETHTOOL_A_RINGS_HEADER nested reply header

ETHTOOL_A_RINGS_RX u32 size of RX ring

ETHTOOL_A_RINGS_RX_MINI u32 size of RX mini ring

ETHTOOL_A_RINGS_RX_JUMBO u32 size of RX jumbo ring

ETHTOOL_A_RINGS_TX u32 size of TX ring

Kernel checks that requested ring sizes do not exceed limits reported by driver. Driver may impose additional constraints and may not suspport all attributes.

CHANNELS_GET¶

Gets channel counts like ETHTOOL_GCHANNELS ioctl request.

Request contents:

ETHTOOL_A_CHANNELS_HEADER nested request header

Kernel response contents:

ETHTOOL_A_CHANNELS_HEADER nested reply header

ETHTOOL_A_CHANNELS_RX_MAX u32 max receive channels

ETHTOOL_A_CHANNELS_TX_MAX u32 max transmit channels

ETHTOOL_A_CHANNELS_OTHER_MAX u32 max other channels

ETHTOOL_A_CHANNELS_COMBINED_MAX u32 max combined channels

ETHTOOL_A_CHANNELS_RX_COUNT u32 receive channel count

ETHTOOL_A_CHANNELS_TX_COUNT u32 transmit channel count

ETHTOOL_A_CHANNELS_OTHER_COUNT u32 other channel count

ETHTOOL_A_CHANNELS_COMBINED_COUNT u32 combined channel count

CHANNELS_SET¶

Sets channel counts like ETHTOOL_SCHANNELS ioctl request.

Request contents:

ETHTOOL_A_CHANNELS_HEADER nested request header

ETHTOOL_A_CHANNELS_RX_COUNT u32 receive channel count

ETHTOOL_A_CHANNELS_TX_COUNT u32 transmit channel count

ETHTOOL_A_CHANNELS_OTHER_COUNT u32 other channel count

ETHTOOL_A_CHANNELS_COMBINED_COUNT u32 combined channel count

Kernel checks that requested channel counts do not exceed limits reported by driver. Driver may impose additional constraints and may not suspport all attributes.

COALESCE_GET¶

Gets coalescing parameters like ETHTOOL_GCOALESCE ioctl request.

Request contents:

ETHTOOL_A_COALESCE_HEADER nested request header

Kernel response contents:

ETHTOOL_A_COALESCE_HEADER nested reply header

ETHTOOL_A_COALESCE_RX_USECS u32 delay (us), normal Rx

ETHTOOL_A_COALESCE_RX_MAX_FRAMES u32 max packets, normal Rx

ETHTOOL_A_COALESCE_RX_USECS_IRQ u32 delay (us), Rx in IRQ

ETHTOOL_A_COALESCE_RX_MAX_FRAMES_IRQ u32 max packets, Rx in IRQ

ETHTOOL_A_COALESCE_TX_USECS u32 delay (us), normal Tx

ETHTOOL_A_COALESCE_TX_MAX_FRAMES u32 max packets, normal Tx

ETHTOOL_A_COALESCE_TX_USECS_IRQ u32 delay (us), Tx in IRQ

ETHTOOL_A_COALESCE_TX_MAX_FRAMES_IRQ u32 IRQ packets, Tx in IRQ

ETHTOOL_A_COALESCE_STATS_BLOCK_USECS u32 delay of stats update

ETHTOOL_A_COALESCE_USE_ADAPTIVE_RX bool adaptive Rx coalesce

ETHTOOL_A_COALESCE_USE_ADAPTIVE_TX bool adaptive Tx coalesce

ETHTOOL_A_COALESCE_PKT_RATE_LOW u32 threshold for low rate

ETHTOOL_A_COALESCE_RX_USECS_LOW u32 delay (us), low Rx

ETHTOOL_A_COALESCE_RX_MAX_FRAMES_LOW u32 max packets, low Rx

ETHTOOL_A_COALESCE_TX_USECS_LOW u32 delay (us), low Tx

ETHTOOL_A_COALESCE_TX_MAX_FRAMES_LOW u32 max packets, low Tx

ETHTOOL_A_COALESCE_PKT_RATE_HIGH u32 threshold for high rate

ETHTOOL_A_COALESCE_RX_USECS_HIGH u32 delay (us), high Rx

ETHTOOL_A_COALESCE_RX_MAX_FRAMES_HIGH u32 max packets, high Rx

ETHTOOL_A_COALESCE_TX_USECS_HIGH u32 delay (us), high Tx

ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH u32 max packets, high Tx

ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL u32 rate sampling interval

Attributes are only included in reply if their value is not zero or the corresponding bit in ethtool_ops::supported_coalesce_params is set (i.e. they are declared as supported by driver).

COALESCE_SET¶

Sets coalescing parameters like ETHTOOL_SCOALESCE ioctl request.

Request contents:

ETHTOOL_A_COALESCE_HEADER nested request header

ETHTOOL_A_COALESCE_RX_USECS u32 delay (us), normal Rx

ETHTOOL_A_COALESCE_RX_MAX_FRAMES u32 max packets, normal Rx

ETHTOOL_A_COALESCE_RX_USECS_IRQ u32 delay (us), Rx in IRQ

ETHTOOL_A_COALESCE_RX_MAX_FRAMES_IRQ u32 max packets, Rx in IRQ

ETHTOOL_A_COALESCE_TX_USECS u32 delay (us), normal Tx

ETHTOOL_A_COALESCE_TX_MAX_FRAMES u32 max packets, normal Tx

ETHTOOL_A_COALESCE_TX_USECS_IRQ u32 delay (us), Tx in IRQ

ETHTOOL_A_COALESCE_TX_MAX_FRAMES_IRQ u32 IRQ packets, Tx in IRQ

ETHTOOL_A_COALESCE_STATS_BLOCK_USECS u32 delay of stats update

ETHTOOL_A_COALESCE_USE_ADAPTIVE_RX bool adaptive Rx coalesce

ETHTOOL_A_COALESCE_USE_ADAPTIVE_TX bool adaptive Tx coalesce

ETHTOOL_A_COALESCE_PKT_RATE_LOW u32 threshold for low rate

ETHTOOL_A_COALESCE_RX_USECS_LOW u32 delay (us), low Rx

ETHTOOL_A_COALESCE_RX_MAX_FRAMES_LOW u32 max packets, low Rx

ETHTOOL_A_COALESCE_TX_USECS_LOW u32 delay (us), low Tx

ETHTOOL_A_COALESCE_TX_MAX_FRAMES_LOW u32 max packets, low Tx

ETHTOOL_A_COALESCE_PKT_RATE_HIGH u32 threshold for high rate

ETHTOOL_A_COALESCE_RX_USECS_HIGH u32 delay (us), high Rx

ETHTOOL_A_COALESCE_RX_MAX_FRAMES_HIGH u32 max packets, high Rx

ETHTOOL_A_COALESCE_TX_USECS_HIGH u32 delay (us), high Tx

ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH u32 max packets, high Tx

ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL u32 rate sampling interval

Request is rejected if it attributes declared as unsupported by driver (i.e. such that the corresponding bit in ethtool_ops::supported_coalesce_params is not set), regardless of their values. Driver may impose additional constraints on coalescing parameters and their values.

PAUSE_GET¶

Gets channel counts like ETHTOOL_GPAUSE ioctl request.

Request contents:

ETHTOOL_A_PAUSE_HEADER nested request header

Kernel response contents:

ETHTOOL_A_PAUSE_HEADER nested request header

ETHTOOL_A_PAUSE_AUTONEG bool pause autonegotiation

ETHTOOL_A_PAUSE_RX bool receive pause frames

ETHTOOL_A_PAUSE_TX bool transmit pause frames

ETHTOOL_A_PAUSE_STATS nested pause statistics

ETHTOOL_A_PAUSE_STATS are reported if ETHTOOL_FLAG_STATS was set in ETHTOOL_A_HEADER_FLAGS. It will be empty if driver did not report any statistics. Drivers fill in the statistics in the following structure:

struct ethtool_pause_stats¶: statistics for IEEE 802.3x pause frames

Definition

struct ethtool_pause_stats {
  u64 tx_pause_frames;
  u64 rx_pause_frames;
};

Members

tx_pause_frames

transmitted pause frame count. Reported to user space as ETHTOOL_A_PAUSE_STAT_TX_FRAMES.

Equivalent to 30.3.4.2 aPAUSEMACCtrlFramesTransmitted from the standard.

rx_pause_frames

received pause frame count. Reported to user space as ETHTOOL_A_PAUSE_STAT_RX_FRAMES. Equivalent to:

Equivalent to 30.3.4.3 aPAUSEMACCtrlFramesReceived from the standard.

Each member has a corresponding attribute defined.

PAUSE_SET¶

Sets pause parameters like ETHTOOL_GPAUSEPARAM ioctl request.

Request contents:

ETHTOOL_A_PAUSE_HEADER nested request header

ETHTOOL_A_PAUSE_AUTONEG bool pause autonegotiation

ETHTOOL_A_PAUSE_RX bool receive pause frames

ETHTOOL_A_PAUSE_TX bool transmit pause frames

EEE_GET¶

Gets channel counts like ETHTOOL_GEEE ioctl request.

Request contents:

ETHTOOL_A_EEE_HEADER nested request header

Kernel response contents:

ETHTOOL_A_EEE_HEADER nested request header

ETHTOOL_A_EEE_MODES_OURS bool supported/advertised modes

ETHTOOL_A_EEE_MODES_PEER bool peer advertised link modes

ETHTOOL_A_EEE_ACTIVE bool EEE is actively used

ETHTOOL_A_EEE_ENABLED bool EEE is enabled

ETHTOOL_A_EEE_TX_LPI_ENABLED bool Tx lpi enabled

ETHTOOL_A_EEE_TX_LPI_TIMER u32 Tx lpi timeout (in us)

In ETHTOOL_A_EEE_MODES_OURS, mask consists of link modes for which EEE is enabled, value of link modes for which EEE is advertised. Link modes for which peer advertises EEE are listed in ETHTOOL_A_EEE_MODES_PEER (no mask). The netlink interface allows reporting EEE status for all link modes but only first 32 are provided by the ethtool_ops callback.

EEE_SET¶

Sets pause parameters like ETHTOOL_GEEEPARAM ioctl request.

Request contents:

ETHTOOL_A_EEE_HEADER nested request header

ETHTOOL_A_EEE_MODES_OURS bool advertised modes

ETHTOOL_A_EEE_ENABLED bool EEE is enabled

ETHTOOL_A_EEE_TX_LPI_ENABLED bool Tx lpi enabled

ETHTOOL_A_EEE_TX_LPI_TIMER u32 Tx lpi timeout (in us)

ETHTOOL_A_EEE_MODES_OURS is used to either list link modes to advertise EEE for (if there is no mask) or specify changes to the list (if there is a mask). The netlink interface allows reporting EEE status for all link modes but only first 32 can be set at the moment as that is what the ethtool_ops callback supports.

TSINFO_GET¶

Gets timestamping information like ETHTOOL_GET_TS_INFO ioctl request.

Request contents:

ETHTOOL_A_TSINFO_HEADER nested request header

Kernel response contents:

ETHTOOL_A_TSINFO_HEADER nested request header

ETHTOOL_A_TSINFO_TIMESTAMPING bitset SO_TIMESTAMPING flags

ETHTOOL_A_TSINFO_TX_TYPES bitset supported Tx types

ETHTOOL_A_TSINFO_RX_FILTERS bitset supported Rx filters

ETHTOOL_A_TSINFO_PHC_INDEX u32 PTP hw clock index

ETHTOOL_A_TSINFO_PHC_INDEX is absent if there is no associated PHC (there is no special value for this case). The bitset attributes are omitted if they would be empty (no bit set).

CABLE_TEST¶

Start a cable test.

Request contents:

ETHTOOL_A_CABLE_TEST_HEADER nested request header

Notification contents:

An Ethernet cable typically contains 1, 2 or 4 pairs. The length of the pair can only be measured when there is a fault in the pair and hence a reflection. Information about the fault may not be available, depending on the specific hardware. Hence the contents of the notify message are mostly optional. The attributes can be repeated an arbitrary number of times, in an arbitrary order, for an arbitrary number of pairs.

The example shows the notification sent when the test is completed for a T2 cable, i.e. two pairs. One pair is OK and hence has no length information. The second pair has a fault and does have length information.

ETHTOOL_A_CABLE_TEST_HEADER nested reply header

ETHTOOL_A_CABLE_TEST_STATUS u8 completed

ETHTOOL_A_CABLE_TEST_NTF_NEST nested all the results

ETHTOOL_A_CABLE_NEST_RESULT nested cable test result

ETHTOOL_A_CABLE_RESULTS_PAIR u8 pair number

ETHTOOL_A_CABLE_RESULTS_CODE u8 result code

ETHTOOL_A_CABLE_NEST_RESULT nested cable test results

ETHTOOL_A_CABLE_RESULTS_PAIR u8 pair number

ETHTOOL_A_CABLE_RESULTS_CODE u8 result code

ETHTOOL_A_CABLE_NEST_FAULT_LENGTH nested cable length

ETHTOOL_A_CABLE_FAULT_LENGTH_PAIR u8 pair number

ETHTOOL_A_CABLE_FAULT_LENGTH_CM u32 length in cm

CABLE_TEST TDR¶

Start a cable test and report raw TDR data

Request contents:

ETHTOOL_A_CABLE_TEST_TDR_HEADER nested reply header

ETHTOOL_A_CABLE_TEST_TDR_CFG nested test configuration

ETHTOOL_A_CABLE_STEP_FIRST_DISTANCE u32 first data distance

ETHTOOL_A_CABLE_STEP_LAST_DISTANCE u32 last data distance

ETHTOOL_A_CABLE_STEP_STEP_DISTANCE u32 distance of each step

ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR u8 pair to test

The ETHTOOL_A_CABLE_TEST_TDR_CFG is optional, as well as all members of the nest. All distances are expressed in centimeters. The PHY takes the distances as a guide, and rounds to the nearest distance it actually supports. If a pair is passed, only that one pair will be tested. Otherwise all pairs are tested.

Notification contents:

Raw TDR data is gathered by sending a pulse down the cable and recording the amplitude of the reflected pulse for a given distance.

It can take a number of seconds to collect TDR data, especial if the full 100 meters is probed at 1 meter intervals. When the test is started a notification will be sent containing just ETHTOOL_A_CABLE_TEST_TDR_STATUS with the value ETHTOOL_A_CABLE_TEST_NTF_STATUS_STARTED.

When the test has completed a second notification will be sent containing ETHTOOL_A_CABLE_TEST_TDR_STATUS with the value ETHTOOL_A_CABLE_TEST_NTF_STATUS_COMPLETED and the TDR data.

The message may optionally contain the amplitude of the pulse send down the cable. This is measured in mV. A reflection should not be bigger than transmitted pulse.

Before the raw TDR data should be an ETHTOOL_A_CABLE_TDR_NEST_STEP nest containing information about the distance along the cable for the first reading, the last reading, and the step between each reading. Distances are measured in centimeters. These should be the exact values the PHY used. These may be different to what the user requested, if the native measurement resolution is greater than 1 cm.

For each step along the cable, a ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE is used to report the amplitude of the reflection for a given pair.

ETHTOOL_A_CABLE_TEST_TDR_HEADER nested reply header

ETHTOOL_A_CABLE_TEST_TDR_STATUS u8 completed

ETHTOOL_A_CABLE_TEST_TDR_NTF_NEST nested all the results

ETHTOOL_A_CABLE_TDR_NEST_PULSE nested TX Pulse amplitude

ETHTOOL_A_CABLE_PULSE_mV s16 Pulse amplitude

ETHTOOL_A_CABLE_NEST_STEP nested TDR step info

ETHTOOL_A_CABLE_STEP_FIRST_DISTANCE u32 First data distance

ETHTOOL_A_CABLE_STEP_LAST_DISTANCE u32 Last data distance

ETHTOOL_A_CABLE_STEP_STEP_DISTANCE u32 distance of each step

ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE nested Reflection amplitude

ETHTOOL_A_CABLE_RESULTS_PAIR u8 pair number

ETHTOOL_A_CABLE_AMPLITUDE_mV s16 Reflection amplitude

ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE nested Reflection amplitude

ETHTOOL_A_CABLE_RESULTS_PAIR u8 pair number

ETHTOOL_A_CABLE_AMPLITUDE_mV s16 Reflection amplitude

ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE nested Reflection amplitude

ETHTOOL_A_CABLE_RESULTS_PAIR u8 pair number

ETHTOOL_A_CABLE_AMPLITUDE_mV s16 Reflection amplitude

TUNNEL_INFO¶

Gets information about the tunnel state NIC is aware of.

Request contents:

ETHTOOL_A_TUNNEL_INFO_HEADER nested request header

Kernel response contents:

ETHTOOL_A_TUNNEL_INFO_HEADER nested reply header

ETHTOOL_A_TUNNEL_INFO_UDP_PORTS nested all UDP port tables

ETHTOOL_A_TUNNEL_UDP_TABLE nested one UDP port table

ETHTOOL_A_TUNNEL_UDP_TABLE_SIZE u32 max size of the table

ETHTOOL_A_TUNNEL_UDP_TABLE_TYPES bitset tunnel types which table can hold

ETHTOOL_A_TUNNEL_UDP_TABLE_ENTRY nested offloaded UDP port

ETHTOOL_A_TUNNEL_UDP_ENTRY_PORT be16 UDP port

ETHTOOL_A_TUNNEL_UDP_ENTRY_TYPE u32 tunnel type

For UDP tunnel table empty ETHTOOL_A_TUNNEL_UDP_TABLE_TYPES indicates that the table contains static entries, hard-coded by the NIC.

Request translation¶

The following table maps ioctl commands to netlink commands providing their functionality. Entries with “n/a” in right column are commands which do not have their netlink replacement yet. Entries which “n/a” in the left column are netlink only.

ioctl command netlink command

ETHTOOL_GSET ETHTOOL_MSG_LINKINFO_GET ETHTOOL_MSG_LINKMODES_GET

ETHTOOL_SSET ETHTOOL_MSG_LINKINFO_SET ETHTOOL_MSG_LINKMODES_SET

ETHTOOL_GDRVINFO n/a

ETHTOOL_GREGS n/a

ETHTOOL_GWOL ETHTOOL_MSG_WOL_GET

ETHTOOL_SWOL ETHTOOL_MSG_WOL_SET

ETHTOOL_GMSGLVL ETHTOOL_MSG_DEBUG_GET

ETHTOOL_SMSGLVL ETHTOOL_MSG_DEBUG_SET

ETHTOOL_NWAY_RST n/a

ETHTOOL_GLINK ETHTOOL_MSG_LINKSTATE_GET

ETHTOOL_GEEPROM n/a

ETHTOOL_SEEPROM n/a

ETHTOOL_GCOALESCE ETHTOOL_MSG_COALESCE_GET

ETHTOOL_SCOALESCE ETHTOOL_MSG_COALESCE_SET

ETHTOOL_GRINGPARAM ETHTOOL_MSG_RINGS_GET

ETHTOOL_SRINGPARAM ETHTOOL_MSG_RINGS_SET

ETHTOOL_GPAUSEPARAM ETHTOOL_MSG_PAUSE_GET

ETHTOOL_SPAUSEPARAM ETHTOOL_MSG_PAUSE_SET

ETHTOOL_GRXCSUM ETHTOOL_MSG_FEATURES_GET

ETHTOOL_SRXCSUM ETHTOOL_MSG_FEATURES_SET

ETHTOOL_GTXCSUM ETHTOOL_MSG_FEATURES_GET

ETHTOOL_STXCSUM ETHTOOL_MSG_FEATURES_SET

ETHTOOL_GSG ETHTOOL_MSG_FEATURES_GET

ETHTOOL_SSG ETHTOOL_MSG_FEATURES_SET

ETHTOOL_TEST n/a

ETHTOOL_GSTRINGS ETHTOOL_MSG_STRSET_GET

ETHTOOL_PHYS_ID n/a

ETHTOOL_GSTATS n/a

ETHTOOL_GTSO ETHTOOL_MSG_FEATURES_GET

ETHTOOL_STSO ETHTOOL_MSG_FEATURES_SET

ETHTOOL_GPERMADDR rtnetlink RTM_GETLINK

ETHTOOL_GUFO ETHTOOL_MSG_FEATURES_GET

ETHTOOL_SUFO ETHTOOL_MSG_FEATURES_SET

ETHTOOL_GGSO ETHTOOL_MSG_FEATURES_GET

ETHTOOL_SGSO ETHTOOL_MSG_FEATURES_SET

ETHTOOL_GFLAGS ETHTOOL_MSG_FEATURES_GET

ETHTOOL_SFLAGS ETHTOOL_MSG_FEATURES_SET

ETHTOOL_GPFLAGS ETHTOOL_MSG_PRIVFLAGS_GET

ETHTOOL_SPFLAGS ETHTOOL_MSG_PRIVFLAGS_SET

ETHTOOL_GRXFH n/a

ETHTOOL_SRXFH n/a

ETHTOOL_GGRO ETHTOOL_MSG_FEATURES_GET

ETHTOOL_SGRO ETHTOOL_MSG_FEATURES_SET

ETHTOOL_GRXRINGS n/a

ETHTOOL_GRXCLSRLCNT n/a

ETHTOOL_GRXCLSRULE n/a

ETHTOOL_GRXCLSRLALL n/a

ETHTOOL_SRXCLSRLDEL n/a

ETHTOOL_SRXCLSRLINS n/a

ETHTOOL_FLASHDEV n/a

ETHTOOL_RESET n/a

ETHTOOL_SRXNTUPLE n/a

ETHTOOL_GRXNTUPLE n/a

ETHTOOL_GSSET_INFO ETHTOOL_MSG_STRSET_GET

ETHTOOL_GRXFHINDIR n/a

ETHTOOL_SRXFHINDIR n/a

ETHTOOL_GFEATURES ETHTOOL_MSG_FEATURES_GET

ETHTOOL_SFEATURES ETHTOOL_MSG_FEATURES_SET

ETHTOOL_GCHANNELS ETHTOOL_MSG_CHANNELS_GET

ETHTOOL_SCHANNELS ETHTOOL_MSG_CHANNELS_SET

ETHTOOL_SET_DUMP n/a

ETHTOOL_GET_DUMP_FLAG n/a

ETHTOOL_GET_DUMP_DATA n/a

ETHTOOL_GET_TS_INFO ETHTOOL_MSG_TSINFO_GET

ETHTOOL_GMODULEINFO n/a

ETHTOOL_GMODULEEEPROM n/a

ETHTOOL_GEEE ETHTOOL_MSG_EEE_GET

ETHTOOL_SEEE ETHTOOL_MSG_EEE_SET

ETHTOOL_GRSSH n/a

ETHTOOL_SRSSH n/a

ETHTOOL_GTUNABLE n/a

ETHTOOL_STUNABLE n/a

ETHTOOL_GPHYSTATS n/a

ETHTOOL_PERQUEUE n/a

ETHTOOL_GLINKSETTINGS ETHTOOL_MSG_LINKINFO_GET ETHTOOL_MSG_LINKMODES_GET

ETHTOOL_SLINKSETTINGS ETHTOOL_MSG_LINKINFO_SET ETHTOOL_MSG_LINKMODES_SET

ETHTOOL_PHY_GTUNABLE n/a

ETHTOOL_PHY_STUNABLE n/a

ETHTOOL_GFECPARAM n/a

ETHTOOL_SFECPARAM n/a

n/a ‘’ETHTOOL_MSG_CABLE_TEST_ACT’‘

n/a ‘’ETHTOOL_MSG_CABLE_TEST_TDR_ACT’‘

n/a ETHTOOL_MSG_TUNNEL_INFO_GET