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* ethtool.h: Defines for Linux ethtool.
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* Copyright (C) 1998 David S. Miller (davem@redhat.com)
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* Copyright 2001 Jeff Garzik <jgarzik@pobox.com>
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* Portions Copyright 2001 Sun Microsystems (thockin@sun.com)
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* Portions Copyright 2002 Intel (eli.kupermann@intel.com,
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* christopher.leech@intel.com,
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* scott.feldman@intel.com)
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#ifndef _LINUX_ETHTOOL_H
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#define _LINUX_ETHTOOL_H
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/* This should work for both 32 and 64 bit userland. */
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u32 supported; /* Features this interface supports */
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u32 advertising; /* Features this interface advertises */
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u16 speed; /* The forced speed, 10Mb, 100Mb, gigabit */
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u8 duplex; /* Duplex, half or full */
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u8 port; /* Which connector port */
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u8 transceiver; /* Which tranceiver to use */
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u8 autoneg; /* Enable or disable autonegotiation */
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u32 maxtxpkt; /* Tx pkts before generating tx int */
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u32 maxrxpkt; /* Rx pkts before generating rx int */
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#define ETHTOOL_BUSINFO_LEN 32
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/* these strings are set to whatever the driver author decides... */
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struct ethtool_drvinfo {
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char driver[32]; /* driver short name, "tulip", "eepro100" */
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char version[32]; /* driver version string */
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char fw_version[32]; /* firmware version string, if applicable */
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char bus_info[ETHTOOL_BUSINFO_LEN]; /* Bus info for this IF. */
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/* For PCI devices, use pci_dev->slot_name. */
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u32 n_stats; /* number of u64's from ETHTOOL_GSTATS */
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u32 eedump_len; /* Size of data from ETHTOOL_GEEPROM (bytes) */
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u32 regdump_len; /* Size of data from ETHTOOL_GREGS (bytes) */
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/* wake-on-lan settings */
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struct ethtool_wolinfo {
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u8 sopass[SOPASS_MAX]; /* SecureOn(tm) password */
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/* for passing single values */
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struct ethtool_value {
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/* for passing big chunks of data */
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u32 version; /* driver-specific, indicates different chips/revs */
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/* for passing EEPROM chunks */
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struct ethtool_eeprom {
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u32 offset; /* in bytes */
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u32 len; /* in bytes */
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/* for configuring coalescing parameters of chip */
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struct ethtool_coalesce {
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u32 cmd; /* ETHTOOL_{G,S}COALESCE */
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/* How many usecs to delay an RX interrupt after
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* a packet arrives. If 0, only rx_max_coalesced_frames
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u32 rx_coalesce_usecs;
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/* How many packets to delay an RX interrupt after
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* a packet arrives. If 0, only rx_coalesce_usecs is
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* used. It is illegal to set both usecs and max frames
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* to zero as this would cause RX interrupts to never be
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u32 rx_max_coalesced_frames;
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/* Same as above two parameters, except that these values
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* apply while an IRQ is being services by the host. Not
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* all cards support this feature and the values are ignored
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u32 rx_coalesce_usecs_irq;
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u32 rx_max_coalesced_frames_irq;
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/* How many usecs to delay a TX interrupt after
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* a packet is sent. If 0, only tx_max_coalesced_frames
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u32 tx_coalesce_usecs;
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/* How many packets to delay a TX interrupt after
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* a packet is sent. If 0, only tx_coalesce_usecs is
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* used. It is illegal to set both usecs and max frames
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* to zero as this would cause TX interrupts to never be
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u32 tx_max_coalesced_frames;
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/* Same as above two parameters, except that these values
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* apply while an IRQ is being services by the host. Not
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* all cards support this feature and the values are ignored
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u32 tx_coalesce_usecs_irq;
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u32 tx_max_coalesced_frames_irq;
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/* How many usecs to delay in-memory statistics
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* block updates. Some drivers do not have an in-memory
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* statistic block, and in such cases this value is ignored.
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* This value must not be zero.
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u32 stats_block_coalesce_usecs;
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/* Adaptive RX/TX coalescing is an algorithm implemented by
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* some drivers to improve latency under low packet rates and
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* improve throughput under high packet rates. Some drivers
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* only implement one of RX or TX adaptive coalescing. Anything
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* not implemented by the driver causes these values to be
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u32 use_adaptive_rx_coalesce;
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u32 use_adaptive_tx_coalesce;
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/* When the packet rate (measured in packets per second)
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* is below pkt_rate_low, the {rx,tx}_*_low parameters are
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u32 rx_coalesce_usecs_low;
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u32 rx_max_coalesced_frames_low;
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u32 tx_coalesce_usecs_low;
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u32 tx_max_coalesced_frames_low;
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/* When the packet rate is below pkt_rate_high but above
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* pkt_rate_low (both measured in packets per second) the
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* normal {rx,tx}_* coalescing parameters are used.
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/* When the packet rate is (measured in packets per second)
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* is above pkt_rate_high, the {rx,tx}_*_high parameters are
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u32 rx_coalesce_usecs_high;
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u32 rx_max_coalesced_frames_high;
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u32 tx_coalesce_usecs_high;
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u32 tx_max_coalesced_frames_high;
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/* How often to do adaptive coalescing packet rate sampling,
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* measured in seconds. Must not be zero.
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u32 rate_sample_interval;
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/* for configuring RX/TX ring parameters */
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struct ethtool_ringparam {
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u32 cmd; /* ETHTOOL_{G,S}RINGPARAM */
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/* Read only attributes. These indicate the maximum number
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* of pending RX/TX ring entries the driver will allow the
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u32 rx_mini_max_pending;
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u32 rx_jumbo_max_pending;
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/* Values changeable by the user. The valid values are
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* in the range 1 to the "*_max_pending" counterpart above.
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u32 rx_jumbo_pending;
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/* for configuring link flow control parameters */
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struct ethtool_pauseparam {
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u32 cmd; /* ETHTOOL_{G,S}PAUSEPARAM */
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/* If the link is being auto-negotiated (via ethtool_cmd.autoneg
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* being true) the user may set 'autonet' here non-zero to have the
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* pause parameters be auto-negotiated too. In such a case, the
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* {rx,tx}_pause values below determine what capabilities are
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* If 'autoneg' is zero or the link is not being auto-negotiated,
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* then {rx,tx}_pause force the driver to use/not-use pause
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#define ETH_GSTRING_LEN 32
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enum ethtool_stringset {
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/* for passing string sets for data tagging */
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struct ethtool_gstrings {
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u32 cmd; /* ETHTOOL_GSTRINGS */
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u32 string_set; /* string set id e.c. ETH_SS_TEST, etc*/
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u32 len; /* number of strings in the string set */
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enum ethtool_test_flags {
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ETH_TEST_FL_OFFLINE = (1 << 0), /* online / offline */
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ETH_TEST_FL_FAILED = (1 << 1), /* test passed / failed */
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/* for requesting NIC test and getting results*/
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struct ethtool_test {
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u32 cmd; /* ETHTOOL_TEST */
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u32 flags; /* ETH_TEST_FL_xxx */
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u32 len; /* result length, in number of u64 elements */
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/* for dumping NIC-specific statistics */
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struct ethtool_stats {
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u32 cmd; /* ETHTOOL_GSTATS */
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u32 n_stats; /* number of u64's being returned */
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/* CMDs currently supported */
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#define ETHTOOL_GSET 0x00000001 /* Get settings. */
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#define ETHTOOL_SSET 0x00000002 /* Set settings, privileged. */
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#define ETHTOOL_GDRVINFO 0x00000003 /* Get driver info. */
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#define ETHTOOL_GREGS 0x00000004 /* Get NIC registers, privileged. */
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#define ETHTOOL_GWOL 0x00000005 /* Get wake-on-lan options. */
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#define ETHTOOL_SWOL 0x00000006 /* Set wake-on-lan options, priv. */
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#define ETHTOOL_GMSGLVL 0x00000007 /* Get driver message level */
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#define ETHTOOL_SMSGLVL 0x00000008 /* Set driver msg level, priv. */
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#define ETHTOOL_NWAY_RST 0x00000009 /* Restart autonegotiation, priv. */
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#define ETHTOOL_GLINK 0x0000000a /* Get link status (ethtool_value) */
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#define ETHTOOL_GEEPROM 0x0000000b /* Get EEPROM data */
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#define ETHTOOL_SEEPROM 0x0000000c /* Set EEPROM data, priv. */
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#define ETHTOOL_GCOALESCE 0x0000000e /* Get coalesce config */
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#define ETHTOOL_SCOALESCE 0x0000000f /* Set coalesce config, priv. */
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#define ETHTOOL_GRINGPARAM 0x00000010 /* Get ring parameters */
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#define ETHTOOL_SRINGPARAM 0x00000011 /* Set ring parameters, priv. */
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#define ETHTOOL_GPAUSEPARAM 0x00000012 /* Get pause parameters */
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#define ETHTOOL_SPAUSEPARAM 0x00000013 /* Set pause parameters, priv. */
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#define ETHTOOL_GRXCSUM 0x00000014 /* Get RX hw csum enable (ethtool_value) */
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#define ETHTOOL_SRXCSUM 0x00000015 /* Set RX hw csum enable (ethtool_value) */
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#define ETHTOOL_GTXCSUM 0x00000016 /* Get TX hw csum enable (ethtool_value) */
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#define ETHTOOL_STXCSUM 0x00000017 /* Set TX hw csum enable (ethtool_value) */
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#define ETHTOOL_GSG 0x00000018 /* Get scatter-gather enable
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#define ETHTOOL_SSG 0x00000019 /* Set scatter-gather enable
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* (ethtool_value), priv. */
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#define ETHTOOL_TEST 0x0000001a /* execute NIC self-test, priv. */
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#define ETHTOOL_GSTRINGS 0x0000001b /* get specified string set */
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#define ETHTOOL_PHYS_ID 0x0000001c /* identify the NIC */
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#define ETHTOOL_GSTATS 0x0000001d /* get NIC-specific statistics */
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/* compatibility with older code */
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#define SPARC_ETH_GSET ETHTOOL_GSET
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#define SPARC_ETH_SSET ETHTOOL_SSET
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/* Indicates what features are supported by the interface. */
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#define SUPPORTED_10baseT_Half (1 << 0)
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#define SUPPORTED_10baseT_Full (1 << 1)
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#define SUPPORTED_100baseT_Half (1 << 2)
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#define SUPPORTED_100baseT_Full (1 << 3)
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#define SUPPORTED_1000baseT_Half (1 << 4)
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#define SUPPORTED_1000baseT_Full (1 << 5)
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#define SUPPORTED_Autoneg (1 << 6)
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#define SUPPORTED_TP (1 << 7)
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#define SUPPORTED_AUI (1 << 8)
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#define SUPPORTED_MII (1 << 9)
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#define SUPPORTED_FIBRE (1 << 10)
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#define SUPPORTED_BNC (1 << 11)
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/* Indicates what features are advertised by the interface. */
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#define ADVERTISED_10baseT_Half (1 << 0)
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#define ADVERTISED_10baseT_Full (1 << 1)
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#define ADVERTISED_100baseT_Half (1 << 2)
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#define ADVERTISED_100baseT_Full (1 << 3)
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#define ADVERTISED_1000baseT_Half (1 << 4)
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#define ADVERTISED_1000baseT_Full (1 << 5)
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#define ADVERTISED_Autoneg (1 << 6)
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#define ADVERTISED_TP (1 << 7)
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#define ADVERTISED_AUI (1 << 8)
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#define ADVERTISED_MII (1 << 9)
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#define ADVERTISED_FIBRE (1 << 10)
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#define ADVERTISED_BNC (1 << 11)
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/* The following are all involved in forcing a particular link
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* mode for the device for setting things. When getting the
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* devices settings, these indicate the current mode and whether
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* it was foced up into this mode or autonegotiated.
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/* The forced speed, 10Mb, 100Mb, gigabit. */
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#define SPEED_100 100
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#define SPEED_1000 1000
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/* Duplex, half or full. */
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#define DUPLEX_HALF 0x00
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#define DUPLEX_FULL 0x01
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/* Which connector port. */
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#define PORT_AUI 0x01
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#define PORT_MII 0x02
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#define PORT_FIBRE 0x03
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#define PORT_BNC 0x04
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/* Which tranceiver to use. */
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#define XCVR_INTERNAL 0x00
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#define XCVR_EXTERNAL 0x01
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#define XCVR_DUMMY1 0x02
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#define XCVR_DUMMY2 0x03
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#define XCVR_DUMMY3 0x04
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/* Enable or disable autonegotiation. If this is set to enable,
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* the forced link modes above are completely ignored.
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#define AUTONEG_DISABLE 0x00
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#define AUTONEG_ENABLE 0x01
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/* Wake-On-Lan options. */
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#define WAKE_PHY (1 << 0)
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#define WAKE_UCAST (1 << 1)
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#define WAKE_MCAST (1 << 2)
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#define WAKE_BCAST (1 << 3)
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#define WAKE_ARP (1 << 4)
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#define WAKE_MAGIC (1 << 5)
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#define WAKE_MAGICSECURE (1 << 6) /* only meaningful if WAKE_MAGIC */
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#endif /* _LINUX_ETHTOOL_H */