/* * 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 _UAPI_LINUX_ETHTOOL_H#define _UAPI_LINUX_ETHTOOL_H #include <linux/types.h>#include <linux/if_ether.h> /* This should work for both 32 and 64 bit userland. */struct ethtool_cmd { __u32 cmd; __u32 supported; /* Features this interface supports */ __u32 advertising; /* Features this interface advertises */ __u16 speed; /* The forced speed (lower bits) in * Mbps. Please use * ethtool_cmd_speed()/_set() to * access it */ __u8 duplex; /* Duplex, half or full */ __u8 port; /* Which connector port */ __u8 phy_address; /* MDIO PHY address (PRTAD for clause 45). * May be read-only or read-write * depending on the driver. */ __u8 transceiver; /* Which transceiver to use */ __u8 autoneg; /* Enable or disable autonegotiation */ __u8 mdio_support; /* MDIO protocols supported. Read-only. * Not set by all drivers. */ __u32 maxtxpkt; /* Tx pkts before generating tx int */ __u32 maxrxpkt; /* Rx pkts before generating rx int */ __u16 speed_hi; /* The forced speed (upper * bits) in Mbps. Please use * ethtool_cmd_speed()/_set() to * access it */ __u8 eth_tp_mdix; /* twisted pair MDI-X status */ __u8 eth_tp_mdix_ctrl; /* twisted pair MDI-X control, when set, * link should be renegotiated if necessary */ __u32 lp_advertising; /* Features the link partner advertises */ __u32 reserved[2];}; static inline void ethtool_cmd_speed_set(struct ethtool_cmd *ep, __u32 speed){ ep->speed = (__u16)speed; ep->speed_hi = (__u16)(speed >> 16);} static inline __u32 ethtool_cmd_speed(const struct ethtool_cmd *ep){ return (ep->speed_hi << 16) | ep->speed;} /* Device supports clause 22 register access to PHY or peripherals * using the interface defined in <linux/mii.h>. This should not be * set if there are known to be no such peripherals present or if * the driver only emulates clause 22 registers for compatibility. */#define ETH_MDIO_SUPPORTS_C22 1 /* Device supports clause 45 register access to PHY or peripherals * using the interface defined in <linux/mii.h> and <linux/mdio.h>. * This should not be set if there are known to be no such peripherals * present. */#define ETH_MDIO_SUPPORTS_C45 2 #define ETHTOOL_FWVERS_LEN 32#define ETHTOOL_BUSINFO_LEN 32/* these strings are set to whatever the driver author decides... */struct ethtool_drvinfo { __u32 cmd; char driver[32]; /* driver short name, "tulip", "eepro100" */ char version[32]; /* driver version string */ char fw_version[ETHTOOL_FWVERS_LEN]; /* firmware version string */ char bus_info[ETHTOOL_BUSINFO_LEN]; /* Bus info for this IF. */ /* For PCI devices, use pci_name(pci_dev). */ char reserved1[32]; char reserved2[12]; /* * Some struct members below are filled in * using ops->get_sset_count(). Obtaining * this info from ethtool_drvinfo is now * deprecated; Use ETHTOOL_GSSET_INFO * instead. */ __u32 n_priv_flags; /* number of flags valid in ETHTOOL_GPFLAGS */ __u32 n_stats; /* number of u64's from ETHTOOL_GSTATS */ __u32 testinfo_len; __u32 eedump_len; /* Size of data from ETHTOOL_GEEPROM (bytes) */ __u32 regdump_len; /* Size of data from ETHTOOL_GREGS (bytes) */}; #define SOPASS_MAX 6/* wake-on-lan settings */struct ethtool_wolinfo { __u32 cmd; __u32 supported; __u32 wolopts; __u8 sopass[SOPASS_MAX]; /* SecureOn(tm) password */}; /* for passing single values */struct ethtool_value { __u32 cmd; __u32 data;}; /* for passing big chunks of data */struct ethtool_regs { __u32 cmd; __u32 version; /* driver-specific, indicates different chips/revs */ __u32 len; /* bytes */ __u8 data[0];}; /* for passing EEPROM chunks */struct ethtool_eeprom { __u32 cmd; __u32 magic; __u32 offset; /* in bytes */ __u32 len; /* in bytes */ __u8 data[0];}; /** * struct ethtool_eee - Energy Efficient Ethernet information * @cmd: ETHTOOL_{G,S}EEE * @supported: Mask of %SUPPORTED_* flags for the speed/duplex combinations * for which there is EEE support. * @advertised: Mask of %ADVERTISED_* flags for the speed/duplex combinations * advertised as eee capable. * @lp_advertised: Mask of %ADVERTISED_* flags for the speed/duplex * combinations advertised by the link partner as eee capable. * @eee_active: Result of the eee auto negotiation. * @eee_enabled: EEE configured mode (enabled/disabled). * @tx_lpi_enabled: Whether the interface should assert its tx lpi, given * that eee was negotiated. * @tx_lpi_timer: Time in microseconds the interface delays prior to asserting * its tx lpi (after reaching 'idle' state). Effective only when eee * was negotiated and tx_lpi_enabled was set. */struct ethtool_eee { __u32 cmd; __u32 supported; __u32 advertised; __u32 lp_advertised; __u32 eee_active; __u32 eee_enabled; __u32 tx_lpi_enabled; __u32 tx_lpi_timer; __u32 reserved[2];}; /** * struct ethtool_modinfo - plugin module eeprom information * @cmd: %ETHTOOL_GMODULEINFO * @type: Standard the module information conforms to %ETH_MODULE_SFF_xxxx * @eeprom_len: Length of the eeprom * * This structure is used to return the information to * properly size memory for a subsequent call to %ETHTOOL_GMODULEEEPROM. * The type code indicates the eeprom data format */struct ethtool_modinfo { __u32 cmd; __u32 type; __u32 eeprom_len; __u32 reserved[8];}; /** * struct ethtool_coalesce - coalescing parameters for IRQs and stats updates * @cmd: ETHTOOL_{G,S}COALESCE * @rx_coalesce_usecs: How many usecs to delay an RX interrupt after * a packet arrives. * @rx_max_coalesced_frames: Maximum number of packets to receive * before an RX interrupt. * @rx_coalesce_usecs_irq: Same as @rx_coalesce_usecs, except that * this value applies while an IRQ is being serviced by the host. * @rx_max_coalesced_frames_irq: Same as @rx_max_coalesced_frames, * except that this value applies while an IRQ is being serviced * by the host. * @tx_coalesce_usecs: How many usecs to delay a TX interrupt after * a packet is sent. * @tx_max_coalesced_frames: Maximum number of packets to be sent * before a TX interrupt. * @tx_coalesce_usecs_irq: Same as @tx_coalesce_usecs, except that * this value applies while an IRQ is being serviced by the host. * @tx_max_coalesced_frames_irq: Same as @tx_max_coalesced_frames, * except that this value applies while an IRQ is being serviced * by the host. * @stats_block_coalesce_usecs: How many usecs to delay in-memory * statistics block updates. Some drivers do not have an * in-memory statistic block, and in such cases this value is * ignored. This value must not be zero. * @use_adaptive_rx_coalesce: Enable adaptive RX coalescing. * @use_adaptive_tx_coalesce: Enable adaptive TX coalescing. * @pkt_rate_low: Threshold for low packet rate (packets per second). * @rx_coalesce_usecs_low: How many usecs to delay an RX interrupt after * a packet arrives, when the packet rate is below @pkt_rate_low. * @rx_max_coalesced_frames_low: Maximum number of packets to be received * before an RX interrupt, when the packet rate is below @pkt_rate_low. * @tx_coalesce_usecs_low: How many usecs to delay a TX interrupt after * a packet is sent, when the packet rate is below @pkt_rate_low. * @tx_max_coalesced_frames_low: Maximum nuumber of packets to be sent before * a TX interrupt, when the packet rate is below @pkt_rate_low. * @pkt_rate_high: Threshold for high packet rate (packets per second). * @rx_coalesce_usecs_high: How many usecs to delay an RX interrupt after * a packet arrives, when the packet rate is above @pkt_rate_high. * @rx_max_coalesced_frames_high: Maximum number of packets to be received * before an RX interrupt, when the packet rate is above @pkt_rate_high. * @tx_coalesce_usecs_high: How many usecs to delay a TX interrupt after * a packet is sent, when the packet rate is above @pkt_rate_high. * @tx_max_coalesced_frames_high: Maximum number of packets to be sent before * a TX interrupt, when the packet rate is above @pkt_rate_high. * @rate_sample_interval: How often to do adaptive coalescing packet rate * sampling, measured in seconds. Must not be zero. * * Each pair of (usecs, max_frames) fields specifies this exit * condition for interrupt coalescing: * (usecs > 0 && time_since_first_completion >= usecs) || * (max_frames > 0 && completed_frames >= max_frames) * It is illegal to set both usecs and max_frames to zero as this * would cause interrupts to never be generated. To disable * coalescing, set usecs = 0 and max_frames = 1. * * Some implementations ignore the value of max_frames and use the * condition: * time_since_first_completion >= usecs * This is deprecated. Drivers for hardware that does not support * counting completions should validate that max_frames == !rx_usecs. * * Adaptive RX/TX coalescing is an algorithm implemented by some * drivers to improve latency under low packet rates and improve * throughput under high packet rates. Some drivers only implement * one of RX or TX adaptive coalescing. Anything not implemented by * the driver causes these values to be silently ignored. * * When the packet rate is below @pkt_rate_high but above * @pkt_rate_low (both measured in packets per second) the * normal {rx,tx}_* coalescing parameters are used. */struct ethtool_coalesce { __u32 cmd; __u32 rx_coalesce_usecs; __u32 rx_max_coalesced_frames; __u32 rx_coalesce_usecs_irq; __u32 rx_max_coalesced_frames_irq; __u32 tx_coalesce_usecs; __u32 tx_max_coalesced_frames; __u32 tx_coalesce_usecs_irq; __u32 tx_max_coalesced_frames_irq; __u32 stats_block_coalesce_usecs; __u32 use_adaptive_rx_coalesce; __u32 use_adaptive_tx_coalesce; __u32 pkt_rate_low; __u32 rx_coalesce_usecs_low; __u32 rx_max_coalesced_frames_low; __u32 tx_coalesce_usecs_low; __u32 tx_max_coalesced_frames_low; __u32 pkt_rate_high; __u32 rx_coalesce_usecs_high; __u32 rx_max_coalesced_frames_high; __u32 tx_coalesce_usecs_high; __u32 tx_max_coalesced_frames_high; __u32 rate_sample_interval;}; /* for configuring RX/TX ring parameters */struct ethtool_ringparam { __u32 cmd; /* ETHTOOL_{G,S}RINGPARAM */ /* Read only attributes. These indicate the maximum number * of pending RX/TX ring entries the driver will allow the * user to set. */ __u32 rx_max_pending; __u32 rx_mini_max_pending; __u32 rx_jumbo_max_pending; __u32 tx_max_pending; /* Values changeable by the user. The valid values are * in the range 1 to the "*_max_pending" counterpart above. */ __u32 rx_pending; __u32 rx_mini_pending; __u32 rx_jumbo_pending; __u32 tx_pending;}; /** * struct ethtool_channels - configuring number of network channel * @cmd: ETHTOOL_{G,S}CHANNELS * @max_rx: Read only. Maximum number of receive channel the driver support. * @max_tx: Read only. Maximum number of transmit channel the driver support. * @max_other: Read only. Maximum number of other channel the driver support. * @max_combined: Read only. Maximum number of combined channel the driver * support. Set of queues RX, TX or other. * @rx_count: Valid values are in the range 1 to the max_rx. * @tx_count: Valid values are in the range 1 to the max_tx. * @other_count: Valid values are in the range 1 to the max_other. * @combined_count: Valid values are in the range 1 to the max_combined. * * This can be used to configure RX, TX and other channels. */ struct ethtool_channels { __u32 cmd; __u32 max_rx; __u32 max_tx; __u32 max_other; __u32 max_combined; __u32 rx_count; __u32 tx_count; __u32 other_count; __u32 combined_count;}; /* for configuring link flow control parameters */struct ethtool_pauseparam { __u32 cmd; /* ETHTOOL_{G,S}PAUSEPARAM */ /* If the link is being auto-negotiated (via ethtool_cmd.autoneg * being true) the user may set 'autoneg' here non-zero to have the * pause parameters be auto-negotiated too. In such a case, the * {rx,tx}_pause values below determine what capabilities are * advertised. * * If 'autoneg' is zero or the link is not being auto-negotiated, * then {rx,tx}_pause force the driver to use/not-use pause * flow control. */ __u32 autoneg; __u32 rx_pause; __u32 tx_pause;}; #define ETH_GSTRING_LEN 32enum ethtool_stringset { ETH_SS_TEST = 0, ETH_SS_STATS, ETH_SS_PRIV_FLAGS, ETH_SS_NTUPLE_FILTERS, /* Do not use, GRXNTUPLE is now deprecated */ ETH_SS_FEATURES,}; /* for passing string sets for data tagging */struct ethtool_gstrings { __u32 cmd; /* ETHTOOL_GSTRINGS */ __u32 string_set; /* string set id e.c. ETH_SS_TEST, etc*/ __u32 len; /* number of strings in the string set */ __u8 data[0];}; struct ethtool_sset_info { __u32 cmd; /* ETHTOOL_GSSET_INFO */ __u32 reserved; __u64 sset_mask; /* input: each bit selects an sset to query */ /* output: each bit a returned sset */ __u32 data[0]; /* ETH_SS_xxx count, in order, based on bits in sset_mask. One bit implies one __u32, two bits implies two __u32's, etc. */}; /** * enum ethtool_test_flags - flags definition of ethtool_test * @ETH_TEST_FL_OFFLINE: if set perform online and offline tests, otherwise * only online tests. * @ETH_TEST_FL_FAILED: Driver set this flag if test fails. * @ETH_TEST_FL_EXTERNAL_LB: Application request to perform external loopback * test. * @ETH_TEST_FL_EXTERNAL_LB_DONE: Driver performed the external loopback test */ enum ethtool_test_flags { ETH_TEST_FL_OFFLINE = (1 << 0), ETH_TEST_FL_FAILED = (1 << 1), ETH_TEST_FL_EXTERNAL_LB = (1 << 2), ETH_TEST_FL_EXTERNAL_LB_DONE = (1 << 3),}; /* for requesting NIC test and getting results*/struct ethtool_test { __u32 cmd; /* ETHTOOL_TEST */ __u32 flags; /* ETH_TEST_FL_xxx */ __u32 reserved; __u32 len; /* result length, in number of u64 elements */ __u64 data[0];}; /* for dumping NIC-specific statistics */struct ethtool_stats { __u32 cmd; /* ETHTOOL_GSTATS */ __u32 n_stats; /* number of u64's being returned */ __u64 data[0];}; struct ethtool_perm_addr { __u32 cmd; /* ETHTOOL_GPERMADDR */ __u32 size; __u8 data[0];}; /* boolean flags controlling per-interface behavior characteristics. * When reading, the flag indicates whether or not a certain behavior * is enabled/present. When writing, the flag indicates whether * or not the driver should turn on (set) or off (clear) a behavior. * * Some behaviors may read-only (unconditionally absent or present). * If such is the case, return EINVAL in the set-flags operation if the * flag differs from the read-only value. */enum ethtool_flags { ETH_FLAG_TXVLAN = (1 << 7), /* TX VLAN offload enabled */ ETH_FLAG_RXVLAN = (1 << 8), /* RX VLAN offload enabled */ ETH_FLAG_LRO = (1 << 15), /* LRO is enabled */ ETH_FLAG_NTUPLE = (1 << 27), /* N-tuple filters enabled */ ETH_FLAG_RXHASH = (1 << 28),}; /* The following structures are for supporting RX network flow * classification and RX n-tuple configuration. Note, all multibyte * fields, e.g., ip4src, ip4dst, psrc, pdst, spi, etc. are expected to * be in network byte order. */ /** * struct ethtool_tcpip4_spec - flow specification for TCP/IPv4 etc. * @ip4src: Source host * @ip4dst: Destination host * @psrc: Source port * @pdst: Destination port * @tos: Type-of-service * * This can be used to specify a TCP/IPv4, UDP/IPv4 or SCTP/IPv4 flow. */struct ethtool_tcpip4_spec { __be32 ip4src; __be32 ip4dst; __be16 psrc; __be16 pdst; __u8 tos;}; /** * struct ethtool_ah_espip4_spec - flow specification for IPsec/IPv4 * @ip4src: Source host * @ip4dst: Destination host * @spi: Security parameters index * @tos: Type-of-service * * This can be used to specify an IPsec transport or tunnel over IPv4. */struct ethtool_ah_espip4_spec { __be32 ip4src; __be32 ip4dst; __be32 spi; __u8 tos;}; #define ETH_RX_NFC_IP4 1 /** * struct ethtool_usrip4_spec - general flow specification for IPv4 * @ip4src: Source host * @ip4dst: Destination host * @l4_4_bytes: First 4 bytes of transport (layer 4) header * @tos: Type-of-service * @ip_ver: Value must be %ETH_RX_NFC_IP4; mask must be 0 * @proto: Transport protocol number; mask must be 0 */struct ethtool_usrip4_spec { __be32 ip4src; __be32 ip4dst; __be32 l4_4_bytes; __u8 tos; __u8 ip_ver; __u8 proto;}; union ethtool_flow_union { struct ethtool_tcpip4_spec tcp_ip4_spec; struct ethtool_tcpip4_spec udp_ip4_spec; struct ethtool_tcpip4_spec sctp_ip4_spec; struct ethtool_ah_espip4_spec ah_ip4_spec; struct ethtool_ah_espip4_spec esp_ip4_spec;Lines 1–500 of 1100. 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/* * 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 _UAPI_LINUX_ETHTOOL_H #define _UAPI_LINUX_ETHTOOL_H #include <linux/types.h> #include <linux/if_ether.h> /* This should work for both 32 and 64 bit userland. */ struct ethtool_cmd { __u32 cmd; __u32 supported; /* Features this interface supports */ __u32 advertising; /* Features this interface advertises */ __u16 speed; /* The forced speed (lower bits) in * Mbps. Please use * ethtool_cmd_speed()/_set() to * access it */ __u8 duplex; /* Duplex, half or full */ __u8 port; /* Which connector port */ __u8 phy_address; /* MDIO PHY address (PRTAD for clause 45). * May be read-only or read-write * depending on the driver. */ __u8 transceiver; /* Which transceiver to use */ __u8 autoneg; /* Enable or disable autonegotiation */ __u8 mdio_support; /* MDIO protocols supported. Read-only. * Not set by all drivers. */ __u32 maxtxpkt; /* Tx pkts before generating tx int */ __u32 maxrxpkt; /* Rx pkts before generating rx int */ __u16 speed_hi; /* The forced speed (upper * bits) in Mbps. Please use * ethtool_cmd_speed()/_set() to * access it */ __u8 eth_tp_mdix; /* twisted pair MDI-X status */ __u8 eth_tp_mdix_ctrl; /* twisted pair MDI-X control, when set, * link should be renegotiated if necessary */ __u32 lp_advertising; /* Features the link partner advertises */ __u32 reserved[2]; }; static inline void ethtool_cmd_speed_set(struct ethtool_cmd *ep, __u32 speed) { ep->speed = (__u16)speed; ep->speed_hi = (__u16)(speed >> 16); } static inline __u32 ethtool_cmd_speed(const struct ethtool_cmd *ep) { return (ep->speed_hi << 16) | ep->speed; } /* Device supports clause 22 register access to PHY or peripherals * using the interface defined in <linux/mii.h>. This should not be * set if there are known to be no such peripherals present or if * the driver only emulates clause 22 registers for compatibility. */ #define ETH_MDIO_SUPPORTS_C22 1 /* Device supports clause 45 register access to PHY or peripherals * using the interface defined in <linux/mii.h> and <linux/mdio.h>. * This should not be set if there are known to be no such peripherals * present. */ #define ETH_MDIO_SUPPORTS_C45 2 #define ETHTOOL_FWVERS_LEN 32 #define ETHTOOL_BUSINFO_LEN 32 /* these strings are set to whatever the driver author decides... */ struct ethtool_drvinfo { __u32 cmd; char driver[32]; /* driver short name, "tulip", "eepro100" */ char version[32]; /* driver version string */ char fw_version[ETHTOOL_FWVERS_LEN]; /* firmware version string */ char bus_info[ETHTOOL_BUSINFO_LEN]; /* Bus info for this IF. */ /* For PCI devices, use pci_name(pci_dev). */ char reserved1[32]; char reserved2[12]; /* * Some struct members below are filled in * using ops->get_sset_count(). Obtaining * this info from ethtool_drvinfo is now * deprecated; Use ETHTOOL_GSSET_INFO * instead. */ __u32 n_priv_flags; /* number of flags valid in ETHTOOL_GPFLAGS */ __u32 n_stats; /* number of u64's from ETHTOOL_GSTATS */ __u32 testinfo_len; __u32 eedump_len; /* Size of data from ETHTOOL_GEEPROM (bytes) */ __u32 regdump_len; /* Size of data from ETHTOOL_GREGS (bytes) */ }; #define SOPASS_MAX 6 /* wake-on-lan settings */ struct ethtool_wolinfo { __u32 cmd; __u32 supported; __u32 wolopts; __u8 sopass[SOPASS_MAX]; /* SecureOn(tm) password */ }; /* for passing single values */ struct ethtool_value { __u32 cmd; __u32 data; }; /* for passing big chunks of data */ struct ethtool_regs { __u32 cmd; __u32 version; /* driver-specific, indicates different chips/revs */ __u32 len; /* bytes */ __u8 data[0]; }; /* for passing EEPROM chunks */ struct ethtool_eeprom { __u32 cmd; __u32 magic; __u32 offset; /* in bytes */ __u32 len; /* in bytes */ __u8 data[0]; }; /** * struct ethtool_eee - Energy Efficient Ethernet information * @cmd: ETHTOOL_{G,S}EEE * @supported: Mask of %SUPPORTED_* flags for the speed/duplex combinations * for which there is EEE support. * @advertised: Mask of %ADVERTISED_* flags for the speed/duplex combinations * advertised as eee capable. * @lp_advertised: Mask of %ADVERTISED_* flags for the speed/duplex * combinations advertised by the link partner as eee capable. * @eee_active: Result of the eee auto negotiation. * @eee_enabled: EEE configured mode (enabled/disabled). * @tx_lpi_enabled: Whether the interface should assert its tx lpi, given * that eee was negotiated. * @tx_lpi_timer: Time in microseconds the interface delays prior to asserting * its tx lpi (after reaching 'idle' state). Effective only when eee * was negotiated and tx_lpi_enabled was set. */ struct ethtool_eee { __u32 cmd; __u32 supported; __u32 advertised; __u32 lp_advertised; __u32 eee_active; __u32 eee_enabled; __u32 tx_lpi_enabled; __u32 tx_lpi_timer; __u32 reserved[2]; }; /** * struct ethtool_modinfo - plugin module eeprom information * @cmd: %ETHTOOL_GMODULEINFO * @type: Standard the module information conforms to %ETH_MODULE_SFF_xxxx * @eeprom_len: Length of the eeprom * * This structure is used to return the information to * properly size memory for a subsequent call to %ETHTOOL_GMODULEEEPROM. * The type code indicates the eeprom data format */ struct ethtool_modinfo { __u32 cmd; __u32 type; __u32 eeprom_len; __u32 reserved[8]; }; /** * struct ethtool_coalesce - coalescing parameters for IRQs and stats updates * @cmd: ETHTOOL_{G,S}COALESCE * @rx_coalesce_usecs: How many usecs to delay an RX interrupt after * a packet arrives. * @rx_max_coalesced_frames: Maximum number of packets to receive * before an RX interrupt. * @rx_coalesce_usecs_irq: Same as @rx_coalesce_usecs, except that * this value applies while an IRQ is being serviced by the host. * @rx_max_coalesced_frames_irq: Same as @rx_max_coalesced_frames, * except that this value applies while an IRQ is being serviced * by the host. * @tx_coalesce_usecs: How many usecs to delay a TX interrupt after * a packet is sent. * @tx_max_coalesced_frames: Maximum number of packets to be sent * before a TX interrupt. * @tx_coalesce_usecs_irq: Same as @tx_coalesce_usecs, except that * this value applies while an IRQ is being serviced by the host. * @tx_max_coalesced_frames_irq: Same as @tx_max_coalesced_frames, * except that this value applies while an IRQ is being serviced * by the host. * @stats_block_coalesce_usecs: How many usecs to delay in-memory * statistics block updates. Some drivers do not have an * in-memory statistic block, and in such cases this value is * ignored. This value must not be zero. * @use_adaptive_rx_coalesce: Enable adaptive RX coalescing. * @use_adaptive_tx_coalesce: Enable adaptive TX coalescing. * @pkt_rate_low: Threshold for low packet rate (packets per second). * @rx_coalesce_usecs_low: How many usecs to delay an RX interrupt after * a packet arrives, when the packet rate is below @pkt_rate_low. * @rx_max_coalesced_frames_low: Maximum number of packets to be received * before an RX interrupt, when the packet rate is below @pkt_rate_low. * @tx_coalesce_usecs_low: How many usecs to delay a TX interrupt after * a packet is sent, when the packet rate is below @pkt_rate_low. * @tx_max_coalesced_frames_low: Maximum nuumber of packets to be sent before * a TX interrupt, when the packet rate is below @pkt_rate_low. * @pkt_rate_high: Threshold for high packet rate (packets per second). * @rx_coalesce_usecs_high: How many usecs to delay an RX interrupt after * a packet arrives, when the packet rate is above @pkt_rate_high. * @rx_max_coalesced_frames_high: Maximum number of packets to be received * before an RX interrupt, when the packet rate is above @pkt_rate_high. * @tx_coalesce_usecs_high: How many usecs to delay a TX interrupt after * a packet is sent, when the packet rate is above @pkt_rate_high. * @tx_max_coalesced_frames_high: Maximum number of packets to be sent before * a TX interrupt, when the packet rate is above @pkt_rate_high. * @rate_sample_interval: How often to do adaptive coalescing packet rate * sampling, measured in seconds. Must not be zero. * * Each pair of (usecs, max_frames) fields specifies this exit * condition for interrupt coalescing: * (usecs > 0 && time_since_first_completion >= usecs) || * (max_frames > 0 && completed_frames >= max_frames) * It is illegal to set both usecs and max_frames to zero as this * would cause interrupts to never be generated. To disable * coalescing, set usecs = 0 and max_frames = 1. * * Some implementations ignore the value of max_frames and use the * condition: * time_since_first_completion >= usecs * This is deprecated. Drivers for hardware that does not support * counting completions should validate that max_frames == !rx_usecs. * * Adaptive RX/TX coalescing is an algorithm implemented by some * drivers to improve latency under low packet rates and improve * throughput under high packet rates. Some drivers only implement * one of RX or TX adaptive coalescing. Anything not implemented by * the driver causes these values to be silently ignored. * * When the packet rate is below @pkt_rate_high but above * @pkt_rate_low (both measured in packets per second) the * normal {rx,tx}_* coalescing parameters are used. */ struct ethtool_coalesce { __u32 cmd; __u32 rx_coalesce_usecs; __u32 rx_max_coalesced_frames; __u32 rx_coalesce_usecs_irq; __u32 rx_max_coalesced_frames_irq; __u32 tx_coalesce_usecs; __u32 tx_max_coalesced_frames; __u32 tx_coalesce_usecs_irq; __u32 tx_max_coalesced_frames_irq; __u32 stats_block_coalesce_usecs; __u32 use_adaptive_rx_coalesce; __u32 use_adaptive_tx_coalesce; __u32 pkt_rate_low; __u32 rx_coalesce_usecs_low; __u32 rx_max_coalesced_frames_low; __u32 tx_coalesce_usecs_low; __u32 tx_max_coalesced_frames_low; __u32 pkt_rate_high; __u32 rx_coalesce_usecs_high; __u32 rx_max_coalesced_frames_high; __u32 tx_coalesce_usecs_high; __u32 tx_max_coalesced_frames_high; __u32 rate_sample_interval; }; /* for configuring RX/TX ring parameters */ struct ethtool_ringparam { __u32 cmd; /* ETHTOOL_{G,S}RINGPARAM */ /* Read only attributes. These indicate the maximum number * of pending RX/TX ring entries the driver will allow the * user to set. */ __u32 rx_max_pending; __u32 rx_mini_max_pending; __u32 rx_jumbo_max_pending; __u32 tx_max_pending; /* Values changeable by the user. The valid values are * in the range 1 to the "*_max_pending" counterpart above. */ __u32 rx_pending; __u32 rx_mini_pending; __u32 rx_jumbo_pending; __u32 tx_pending; }; /** * struct ethtool_channels - configuring number of network channel * @cmd: ETHTOOL_{G,S}CHANNELS * @max_rx: Read only. Maximum number of receive channel the driver support. * @max_tx: Read only. Maximum number of transmit channel the driver support. * @max_other: Read only. Maximum number of other channel the driver support. * @max_combined: Read only. Maximum number of combined channel the driver * support. Set of queues RX, TX or other. * @rx_count: Valid values are in the range 1 to the max_rx. * @tx_count: Valid values are in the range 1 to the max_tx. * @other_count: Valid values are in the range 1 to the max_other. * @combined_count: Valid values are in the range 1 to the max_combined. * * This can be used to configure RX, TX and other channels. */ struct ethtool_channels { __u32 cmd; __u32 max_rx; __u32 max_tx; __u32 max_other; __u32 max_combined; __u32 rx_count; __u32 tx_count; __u32 other_count; __u32 combined_count; }; /* for configuring link flow control parameters */ struct ethtool_pauseparam { __u32 cmd; /* ETHTOOL_{G,S}PAUSEPARAM */ /* If the link is being auto-negotiated (via ethtool_cmd.autoneg * being true) the user may set 'autoneg' here non-zero to have the * pause parameters be auto-negotiated too. In such a case, the * {rx,tx}_pause values below determine what capabilities are * advertised. * * If 'autoneg' is zero or the link is not being auto-negotiated, * then {rx,tx}_pause force the driver to use/not-use pause * flow control. */ __u32 autoneg; __u32 rx_pause; __u32 tx_pause; }; #define ETH_GSTRING_LEN 32 enum ethtool_stringset { ETH_SS_TEST = 0, ETH_SS_STATS, ETH_SS_PRIV_FLAGS, ETH_SS_NTUPLE_FILTERS, /* Do not use, GRXNTUPLE is now deprecated */ ETH_SS_FEATURES, }; /* for passing string sets for data tagging */ struct ethtool_gstrings { __u32 cmd; /* ETHTOOL_GSTRINGS */ __u32 string_set; /* string set id e.c. ETH_SS_TEST, etc*/ __u32 len; /* number of strings in the string set */ __u8 data[0]; }; struct ethtool_sset_info { __u32 cmd; /* ETHTOOL_GSSET_INFO */ __u32 reserved; __u64 sset_mask; /* input: each bit selects an sset to query */ /* output: each bit a returned sset */ __u32 data[0]; /* ETH_SS_xxx count, in order, based on bits in sset_mask. One bit implies one __u32, two bits implies two __u32's, etc. */ }; /** * enum ethtool_test_flags - flags definition of ethtool_test * @ETH_TEST_FL_OFFLINE: if set perform online and offline tests, otherwise * only online tests. * @ETH_TEST_FL_FAILED: Driver set this flag if test fails. * @ETH_TEST_FL_EXTERNAL_LB: Application request to perform external loopback * test. * @ETH_TEST_FL_EXTERNAL_LB_DONE: Driver performed the external loopback test */ enum ethtool_test_flags { ETH_TEST_FL_OFFLINE = (1 << 0), ETH_TEST_FL_FAILED = (1 << 1), ETH_TEST_FL_EXTERNAL_LB = (1 << 2), ETH_TEST_FL_EXTERNAL_LB_DONE = (1 << 3), }; /* for requesting NIC test and getting results*/ struct ethtool_test { __u32 cmd; /* ETHTOOL_TEST */ __u32 flags; /* ETH_TEST_FL_xxx */ __u32 reserved; __u32 len; /* result length, in number of u64 elements */ __u64 data[0]; }; /* for dumping NIC-specific statistics */ struct ethtool_stats { __u32 cmd; /* ETHTOOL_GSTATS */ __u32 n_stats; /* number of u64's being returned */ __u64 data[0]; }; struct ethtool_perm_addr { __u32 cmd; /* ETHTOOL_GPERMADDR */ __u32 size; __u8 data[0]; }; /* boolean flags controlling per-interface behavior characteristics. * When reading, the flag indicates whether or not a certain behavior * is enabled/present. When writing, the flag indicates whether * or not the driver should turn on (set) or off (clear) a behavior. * * Some behaviors may read-only (unconditionally absent or present). * If such is the case, return EINVAL in the set-flags operation if the * flag differs from the read-only value. */ enum ethtool_flags { ETH_FLAG_TXVLAN = (1 << 7), /* TX VLAN offload enabled */ ETH_FLAG_RXVLAN = (1 << 8), /* RX VLAN offload enabled */ ETH_FLAG_LRO = (1 << 15), /* LRO is enabled */ ETH_FLAG_NTUPLE = (1 << 27), /* N-tuple filters enabled */ ETH_FLAG_RXHASH = (1 << 28), }; /* The following structures are for supporting RX network flow * classification and RX n-tuple configuration. Note, all multibyte * fields, e.g., ip4src, ip4dst, psrc, pdst, spi, etc. are expected to * be in network byte order. */ /** * struct ethtool_tcpip4_spec - flow specification for TCP/IPv4 etc. * @ip4src: Source host * @ip4dst: Destination host * @psrc: Source port * @pdst: Destination port * @tos: Type-of-service * * This can be used to specify a TCP/IPv4, UDP/IPv4 or SCTP/IPv4 flow. */ struct ethtool_tcpip4_spec { __be32 ip4src; __be32 ip4dst; __be16 psrc; __be16 pdst; __u8 tos; }; /** * struct ethtool_ah_espip4_spec - flow specification for IPsec/IPv4 * @ip4src: Source host * @ip4dst: Destination host * @spi: Security parameters index * @tos: Type-of-service * * This can be used to specify an IPsec transport or tunnel over IPv4. */ struct ethtool_ah_espip4_spec { __be32 ip4src; __be32 ip4dst; __be32 spi; __u8 tos; }; #define ETH_RX_NFC_IP4 1 /** * struct ethtool_usrip4_spec - general flow specification for IPv4 * @ip4src: Source host * @ip4dst: Destination host * @l4_4_bytes: First 4 bytes of transport (layer 4) header * @tos: Type-of-service * @ip_ver: Value must be %ETH_RX_NFC_IP4; mask must be 0 * @proto: Transport protocol number; mask must be 0 */ struct ethtool_usrip4_spec { __be32 ip4src; __be32 ip4dst; __be32 l4_4_bytes; __u8 tos; __u8 ip_ver; __u8 proto; }; union ethtool_flow_union { struct ethtool_tcpip4_spec tcp_ip4_spec; struct ethtool_tcpip4_spec udp_ip4_spec; struct ethtool_tcpip4_spec sctp_ip4_spec; struct ethtool_ah_espip4_spec ah_ip4_spec; struct ethtool_ah_espip4_spec esp_ip4_spec;