1/* 2 * ethtool.h: Defines for Linux ethtool. 3 * 4 * Copyright (C) 1998 David S. Miller (davem@redhat.com) 5 * Copyright 2001 Jeff Garzik <jgarzik@pobox.com> 6 * Portions Copyright 2001 Sun Microsystems (thockin@sun.com) 7 * Portions Copyright 2002 Intel (eli.kupermann@intel.com, 8 * christopher.leech@intel.com, 9 * scott.feldman@intel.com) 10 * Portions Copyright (C) Sun Microsystems 2008 11 */ 12 13#ifndef _UAPI_LINUX_ETHTOOL_H 14#define _UAPI_LINUX_ETHTOOL_H 15 16#include <linux/kernel.h> 17#include <linux/types.h> 18#include <linux/if_ether.h> 19 20#ifndef __KERNEL__ 21#include <limits.h> /* for INT_MAX */ 22#endif 23 24/* All structures exposed to userland should be defined such that they 25 * have the same layout for 32-bit and 64-bit userland. 26 */ 27 28/** 29 * struct ethtool_cmd - DEPRECATED, link control and status 30 * This structure is DEPRECATED, please use struct ethtool_link_settings. 31 * @cmd: Command number = %ETHTOOL_GSET or %ETHTOOL_SSET 32 * @supported: Bitmask of %SUPPORTED_* flags for the link modes, 33 * physical connectors and other link features for which the 34 * interface supports autonegotiation or auto-detection. 35 * Read-only. 36 * @advertising: Bitmask of %ADVERTISED_* flags for the link modes, 37 * physical connectors and other link features that are 38 * advertised through autonegotiation or enabled for 39 * auto-detection. 40 * @speed: Low bits of the speed, 1Mb units, 0 to INT_MAX or SPEED_UNKNOWN 41 * @duplex: Duplex mode; one of %DUPLEX_* 42 * @port: Physical connector type; one of %PORT_* 43 * @phy_address: MDIO address of PHY (transceiver); 0 or 255 if not 44 * applicable. For clause 45 PHYs this is the PRTAD. 45 * @transceiver: Historically used to distinguish different possible 46 * PHY types, but not in a consistent way. Deprecated. 47 * @autoneg: Enable/disable autonegotiation and auto-detection; 48 * either %AUTONEG_DISABLE or %AUTONEG_ENABLE 49 * @mdio_support: Bitmask of %ETH_MDIO_SUPPORTS_* flags for the MDIO 50 * protocols supported by the interface; 0 if unknown. 51 * Read-only. 52 * @maxtxpkt: Historically used to report TX IRQ coalescing; now 53 * obsoleted by &struct ethtool_coalesce. Read-only; deprecated. 54 * @maxrxpkt: Historically used to report RX IRQ coalescing; now 55 * obsoleted by &struct ethtool_coalesce. Read-only; deprecated. 56 * @speed_hi: High bits of the speed, 1Mb units, 0 to INT_MAX or SPEED_UNKNOWN 57 * @eth_tp_mdix: Ethernet twisted-pair MDI(-X) status; one of 58 * %ETH_TP_MDI_*. If the status is unknown or not applicable, the 59 * value will be %ETH_TP_MDI_INVALID. Read-only. 60 * @eth_tp_mdix_ctrl: Ethernet twisted pair MDI(-X) control; one of 61 * %ETH_TP_MDI_*. If MDI(-X) control is not implemented, reads 62 * yield %ETH_TP_MDI_INVALID and writes may be ignored or rejected. 63 * When written successfully, the link should be renegotiated if 64 * necessary. 65 * @lp_advertising: Bitmask of %ADVERTISED_* flags for the link modes 66 * and other link features that the link partner advertised 67 * through autonegotiation; 0 if unknown or not applicable. 68 * Read-only. 69 * 70 * The link speed in Mbps is split between @speed and @speed_hi. Use 71 * the ethtool_cmd_speed() and ethtool_cmd_speed_set() functions to 72 * access it. 73 * 74 * If autonegotiation is disabled, the speed and @duplex represent the 75 * fixed link mode and are writable if the driver supports multiple 76 * link modes. If it is enabled then they are read-only; if the link 77 * is up they represent the negotiated link mode; if the link is down, 78 * the speed is 0, %SPEED_UNKNOWN or the highest enabled speed and 79 * @duplex is %DUPLEX_UNKNOWN or the best enabled duplex mode. 80 * 81 * Some hardware interfaces may have multiple PHYs and/or physical 82 * connectors fitted or do not allow the driver to detect which are 83 * fitted. For these interfaces @port and/or @phy_address may be 84 * writable, possibly dependent on @autoneg being %AUTONEG_DISABLE. 85 * Otherwise, attempts to write different values may be ignored or 86 * rejected. 87 * 88 * Users should assume that all fields not marked read-only are 89 * writable and subject to validation by the driver. They should use 90 * %ETHTOOL_GSET to get the current values before making specific 91 * changes and then applying them with %ETHTOOL_SSET. 92 * 93 * Drivers that implement set_settings() should validate all fields 94 * other than @cmd that are not described as read-only or deprecated, 95 * and must ignore all fields described as read-only. 96 * 97 * Deprecated fields should be ignored by both users and drivers. 98 */ 99struct ethtool_cmd { 100 __u32 cmd; 101 __u32 supported; 102 __u32 advertising; 103 __u16 speed; 104 __u8 duplex; 105 __u8 port; 106 __u8 phy_address; 107 __u8 transceiver; 108 __u8 autoneg; 109 __u8 mdio_support; 110 __u32 maxtxpkt; 111 __u32 maxrxpkt; 112 __u16 speed_hi; 113 __u8 eth_tp_mdix; 114 __u8 eth_tp_mdix_ctrl; 115 __u32 lp_advertising; 116 __u32 reserved[2]; 117}; 118 119static inline void ethtool_cmd_speed_set(struct ethtool_cmd *ep, 120 __u32 speed) 121{ 122 ep->speed = (__u16)(speed & 0xFFFF); 123 ep->speed_hi = (__u16)(speed >> 16); 124} 125 126static inline __u32 ethtool_cmd_speed(const struct ethtool_cmd *ep) 127{ 128 return (ep->speed_hi << 16) | ep->speed; 129} 130 131/* Device supports clause 22 register access to PHY or peripherals 132 * using the interface defined in <linux/mii.h>. This should not be 133 * set if there are known to be no such peripherals present or if 134 * the driver only emulates clause 22 registers for compatibility. 135 */ 136#define ETH_MDIO_SUPPORTS_C22 1 137 138/* Device supports clause 45 register access to PHY or peripherals 139 * using the interface defined in <linux/mii.h> and <linux/mdio.h>. 140 * This should not be set if there are known to be no such peripherals 141 * present. 142 */ 143#define ETH_MDIO_SUPPORTS_C45 2 144 145#define ETHTOOL_FWVERS_LEN 32 146#define ETHTOOL_BUSINFO_LEN 32 147#define ETHTOOL_EROMVERS_LEN 32 148 149/** 150 * struct ethtool_drvinfo - general driver and device information 151 * @cmd: Command number = %ETHTOOL_GDRVINFO 152 * @driver: Driver short name. This should normally match the name 153 * in its bus driver structure (e.g. pci_driver::name). Must 154 * not be an empty string. 155 * @version: Driver version string; may be an empty string 156 * @fw_version: Firmware version string; may be an empty string 157 * @erom_version: Expansion ROM version string; may be an empty string 158 * @bus_info: Device bus address. This should match the dev_name() 159 * string for the underlying bus device, if there is one. May be 160 * an empty string. 161 * @n_priv_flags: Number of flags valid for %ETHTOOL_GPFLAGS and 162 * %ETHTOOL_SPFLAGS commands; also the number of strings in the 163 * %ETH_SS_PRIV_FLAGS set 164 * @n_stats: Number of u64 statistics returned by the %ETHTOOL_GSTATS 165 * command; also the number of strings in the %ETH_SS_STATS set 166 * @testinfo_len: Number of results returned by the %ETHTOOL_TEST 167 * command; also the number of strings in the %ETH_SS_TEST set 168 * @eedump_len: Size of EEPROM accessible through the %ETHTOOL_GEEPROM 169 * and %ETHTOOL_SEEPROM commands, in bytes 170 * @regdump_len: Size of register dump returned by the %ETHTOOL_GREGS 171 * command, in bytes 172 * 173 * Users can use the %ETHTOOL_GSSET_INFO command to get the number of 174 * strings in any string set (from Linux 2.6.34). 175 * 176 * Drivers should set at most @driver, @version, @fw_version and 177 * @bus_info in their get_drvinfo() implementation. The ethtool 178 * core fills in the other fields using other driver operations. 179 */ 180struct ethtool_drvinfo { 181 __u32 cmd; 182 char driver[32]; 183 char version[32]; 184 char fw_version[ETHTOOL_FWVERS_LEN]; 185 char bus_info[ETHTOOL_BUSINFO_LEN]; 186 char erom_version[ETHTOOL_EROMVERS_LEN]; 187 char reserved2[12]; 188 __u32 n_priv_flags; 189 __u32 n_stats; 190 __u32 testinfo_len; 191 __u32 eedump_len; 192 __u32 regdump_len; 193}; 194 195#define SOPASS_MAX 6 196 197/** 198 * struct ethtool_wolinfo - Wake-On-Lan configuration 199 * @cmd: Command number = %ETHTOOL_GWOL or %ETHTOOL_SWOL 200 * @supported: Bitmask of %WAKE_* flags for supported Wake-On-Lan modes. 201 * Read-only. 202 * @wolopts: Bitmask of %WAKE_* flags for enabled Wake-On-Lan modes. 203 * @sopass: SecureOn(tm) password; meaningful only if %WAKE_MAGICSECURE 204 * is set in @wolopts. 205 */ 206struct ethtool_wolinfo { 207 __u32 cmd; 208 __u32 supported; 209 __u32 wolopts; 210 __u8 sopass[SOPASS_MAX]; 211}; 212 213/* for passing single values */ 214struct ethtool_value { 215 __u32 cmd; 216 __u32 data; 217}; 218 219enum tunable_id { 220 ETHTOOL_ID_UNSPEC, 221 ETHTOOL_RX_COPYBREAK, 222 ETHTOOL_TX_COPYBREAK, 223 /* 224 * Add your fresh new tubale attribute above and remember to update 225 * tunable_strings[] in net/core/ethtool.c 226 */ 227 __ETHTOOL_TUNABLE_COUNT, 228}; 229 230enum tunable_type_id { 231 ETHTOOL_TUNABLE_UNSPEC, 232 ETHTOOL_TUNABLE_U8, 233 ETHTOOL_TUNABLE_U16, 234 ETHTOOL_TUNABLE_U32, 235 ETHTOOL_TUNABLE_U64, 236 ETHTOOL_TUNABLE_STRING, 237 ETHTOOL_TUNABLE_S8, 238 ETHTOOL_TUNABLE_S16, 239 ETHTOOL_TUNABLE_S32, 240 ETHTOOL_TUNABLE_S64, 241}; 242 243struct ethtool_tunable { 244 __u32 cmd; 245 __u32 id; 246 __u32 type_id; 247 __u32 len; 248 void *data[0]; 249}; 250 251#define DOWNSHIFT_DEV_DEFAULT_COUNT 0xff 252#define DOWNSHIFT_DEV_DISABLE 0 253 254enum phy_tunable_id { 255 ETHTOOL_PHY_ID_UNSPEC, 256 ETHTOOL_PHY_DOWNSHIFT, 257 /* 258 * Add your fresh new phy tunable attribute above and remember to update 259 * phy_tunable_strings[] in net/core/ethtool.c 260 */ 261 __ETHTOOL_PHY_TUNABLE_COUNT, 262}; 263 264/** 265 * struct ethtool_regs - hardware register dump 266 * @cmd: Command number = %ETHTOOL_GREGS 267 * @version: Dump format version. This is driver-specific and may 268 * distinguish different chips/revisions. Drivers must use new 269 * version numbers whenever the dump format changes in an 270 * incompatible way. 271 * @len: On entry, the real length of @data. On return, the number of 272 * bytes used. 273 * @data: Buffer for the register dump 274 * 275 * Users should use %ETHTOOL_GDRVINFO to find the maximum length of 276 * a register dump for the interface. They must allocate the buffer 277 * immediately following this structure. 278 */ 279struct ethtool_regs { 280 __u32 cmd; 281 __u32 version; 282 __u32 len; 283 __u8 data[0]; 284}; 285 286/** 287 * struct ethtool_eeprom - EEPROM dump 288 * @cmd: Command number = %ETHTOOL_GEEPROM, %ETHTOOL_GMODULEEEPROM or 289 * %ETHTOOL_SEEPROM 290 * @magic: A 'magic cookie' value to guard against accidental changes. 291 * The value passed in to %ETHTOOL_SEEPROM must match the value 292 * returned by %ETHTOOL_GEEPROM for the same device. This is 293 * unused when @cmd is %ETHTOOL_GMODULEEEPROM. 294 * @offset: Offset within the EEPROM to begin reading/writing, in bytes 295 * @len: On entry, number of bytes to read/write. On successful 296 * return, number of bytes actually read/written. In case of 297 * error, this may indicate at what point the error occurred. 298 * @data: Buffer to read/write from 299 * 300 * Users may use %ETHTOOL_GDRVINFO or %ETHTOOL_GMODULEINFO to find 301 * the length of an on-board or module EEPROM, respectively. They 302 * must allocate the buffer immediately following this structure. 303 */ 304struct ethtool_eeprom { 305 __u32 cmd; 306 __u32 magic; 307 __u32 offset; 308 __u32 len; 309 __u8 data[0]; 310}; 311 312/** 313 * struct ethtool_eee - Energy Efficient Ethernet information 314 * @cmd: ETHTOOL_{G,S}EEE 315 * @supported: Mask of %SUPPORTED_* flags for the speed/duplex combinations 316 * for which there is EEE support. 317 * @advertised: Mask of %ADVERTISED_* flags for the speed/duplex combinations 318 * advertised as eee capable. 319 * @lp_advertised: Mask of %ADVERTISED_* flags for the speed/duplex 320 * combinations advertised by the link partner as eee capable. 321 * @eee_active: Result of the eee auto negotiation. 322 * @eee_enabled: EEE configured mode (enabled/disabled). 323 * @tx_lpi_enabled: Whether the interface should assert its tx lpi, given 324 * that eee was negotiated. 325 * @tx_lpi_timer: Time in microseconds the interface delays prior to asserting 326 * its tx lpi (after reaching 'idle' state). Effective only when eee 327 * was negotiated and tx_lpi_enabled was set. 328 */ 329struct ethtool_eee { 330 __u32 cmd; 331 __u32 supported; 332 __u32 advertised; 333 __u32 lp_advertised; 334 __u32 eee_active; 335 __u32 eee_enabled; 336 __u32 tx_lpi_enabled; 337 __u32 tx_lpi_timer; 338 __u32 reserved[2]; 339}; 340 341/** 342 * struct ethtool_modinfo - plugin module eeprom information 343 * @cmd: %ETHTOOL_GMODULEINFO 344 * @type: Standard the module information conforms to %ETH_MODULE_SFF_xxxx 345 * @eeprom_len: Length of the eeprom 346 * 347 * This structure is used to return the information to 348 * properly size memory for a subsequent call to %ETHTOOL_GMODULEEEPROM. 349 * The type code indicates the eeprom data format 350 */ 351struct ethtool_modinfo { 352 __u32 cmd; 353 __u32 type; 354 __u32 eeprom_len; 355 __u32 reserved[8]; 356}; 357 358/** 359 * struct ethtool_coalesce - coalescing parameters for IRQs and stats updates 360 * @cmd: ETHTOOL_{G,S}COALESCE 361 * @rx_coalesce_usecs: How many usecs to delay an RX interrupt after 362 * a packet arrives. 363 * @rx_max_coalesced_frames: Maximum number of packets to receive 364 * before an RX interrupt. 365 * @rx_coalesce_usecs_irq: Same as @rx_coalesce_usecs, except that 366 * this value applies while an IRQ is being serviced by the host. 367 * @rx_max_coalesced_frames_irq: Same as @rx_max_coalesced_frames, 368 * except that this value applies while an IRQ is being serviced 369 * by the host. 370 * @tx_coalesce_usecs: How many usecs to delay a TX interrupt after 371 * a packet is sent. 372 * @tx_max_coalesced_frames: Maximum number of packets to be sent 373 * before a TX interrupt. 374 * @tx_coalesce_usecs_irq: Same as @tx_coalesce_usecs, except that 375 * this value applies while an IRQ is being serviced by the host. 376 * @tx_max_coalesced_frames_irq: Same as @tx_max_coalesced_frames, 377 * except that this value applies while an IRQ is being serviced 378 * by the host. 379 * @stats_block_coalesce_usecs: How many usecs to delay in-memory 380 * statistics block updates. Some drivers do not have an 381 * in-memory statistic block, and in such cases this value is 382 * ignored. This value must not be zero. 383 * @use_adaptive_rx_coalesce: Enable adaptive RX coalescing. 384 * @use_adaptive_tx_coalesce: Enable adaptive TX coalescing. 385 * @pkt_rate_low: Threshold for low packet rate (packets per second). 386 * @rx_coalesce_usecs_low: How many usecs to delay an RX interrupt after 387 * a packet arrives, when the packet rate is below @pkt_rate_low. 388 * @rx_max_coalesced_frames_low: Maximum number of packets to be received 389 * before an RX interrupt, when the packet rate is below @pkt_rate_low. 390 * @tx_coalesce_usecs_low: How many usecs to delay a TX interrupt after 391 * a packet is sent, when the packet rate is below @pkt_rate_low. 392 * @tx_max_coalesced_frames_low: Maximum nuumber of packets to be sent before 393 * a TX interrupt, when the packet rate is below @pkt_rate_low. 394 * @pkt_rate_high: Threshold for high packet rate (packets per second). 395 * @rx_coalesce_usecs_high: How many usecs to delay an RX interrupt after 396 * a packet arrives, when the packet rate is above @pkt_rate_high. 397 * @rx_max_coalesced_frames_high: Maximum number of packets to be received 398 * before an RX interrupt, when the packet rate is above @pkt_rate_high. 399 * @tx_coalesce_usecs_high: How many usecs to delay a TX interrupt after 400 * a packet is sent, when the packet rate is above @pkt_rate_high. 401 * @tx_max_coalesced_frames_high: Maximum number of packets to be sent before 402 * a TX interrupt, when the packet rate is above @pkt_rate_high. 403 * @rate_sample_interval: How often to do adaptive coalescing packet rate 404 * sampling, measured in seconds. Must not be zero. 405 * 406 * Each pair of (usecs, max_frames) fields specifies that interrupts 407 * should be coalesced until 408 * (usecs > 0 && time_since_first_completion >= usecs) || 409 * (max_frames > 0 && completed_frames >= max_frames) 410 * 411 * It is illegal to set both usecs and max_frames to zero as this 412 * would cause interrupts to never be generated. To disable 413 * coalescing, set usecs = 0 and max_frames = 1. 414 * 415 * Some implementations ignore the value of max_frames and use the 416 * condition time_since_first_completion >= usecs 417 * 418 * This is deprecated. Drivers for hardware that does not support 419 * counting completions should validate that max_frames == !rx_usecs. 420 * 421 * Adaptive RX/TX coalescing is an algorithm implemented by some 422 * drivers to improve latency under low packet rates and improve 423 * throughput under high packet rates. Some drivers only implement 424 * one of RX or TX adaptive coalescing. Anything not implemented by 425 * the driver causes these values to be silently ignored. 426 * 427 * When the packet rate is below @pkt_rate_high but above 428 * @pkt_rate_low (both measured in packets per second) the 429 * normal {rx,tx}_* coalescing parameters are used. 430 */ 431struct ethtool_coalesce { 432 __u32 cmd; 433 __u32 rx_coalesce_usecs; 434 __u32 rx_max_coalesced_frames; 435 __u32 rx_coalesce_usecs_irq; 436 __u32 rx_max_coalesced_frames_irq; 437 __u32 tx_coalesce_usecs; 438 __u32 tx_max_coalesced_frames; 439 __u32 tx_coalesce_usecs_irq; 440 __u32 tx_max_coalesced_frames_irq; 441 __u32 stats_block_coalesce_usecs; 442 __u32 use_adaptive_rx_coalesce; 443 __u32 use_adaptive_tx_coalesce; 444 __u32 pkt_rate_low; 445 __u32 rx_coalesce_usecs_low; 446 __u32 rx_max_coalesced_frames_low; 447 __u32 tx_coalesce_usecs_low; 448 __u32 tx_max_coalesced_frames_low; 449 __u32 pkt_rate_high; 450 __u32 rx_coalesce_usecs_high; 451 __u32 rx_max_coalesced_frames_high; 452 __u32 tx_coalesce_usecs_high; 453 __u32 tx_max_coalesced_frames_high; 454 __u32 rate_sample_interval; 455}; 456 457/** 458 * struct ethtool_ringparam - RX/TX ring parameters 459 * @cmd: Command number = %ETHTOOL_GRINGPARAM or %ETHTOOL_SRINGPARAM 460 * @rx_max_pending: Maximum supported number of pending entries per 461 * RX ring. Read-only. 462 * @rx_mini_max_pending: Maximum supported number of pending entries 463 * per RX mini ring. Read-only. 464 * @rx_jumbo_max_pending: Maximum supported number of pending entries 465 * per RX jumbo ring. Read-only. 466 * @tx_max_pending: Maximum supported number of pending entries per 467 * TX ring. Read-only. 468 * @rx_pending: Current maximum number of pending entries per RX ring 469 * @rx_mini_pending: Current maximum number of pending entries per RX 470 * mini ring 471 * @rx_jumbo_pending: Current maximum number of pending entries per RX 472 * jumbo ring 473 * @tx_pending: Current maximum supported number of pending entries 474 * per TX ring 475 * 476 * If the interface does not have separate RX mini and/or jumbo rings, 477 * @rx_mini_max_pending and/or @rx_jumbo_max_pending will be 0. 478 * 479 * There may also be driver-dependent minimum values for the number 480 * of entries per ring. 481 */ 482struct ethtool_ringparam { 483 __u32 cmd; 484 __u32 rx_max_pending; 485 __u32 rx_mini_max_pending; 486 __u32 rx_jumbo_max_pending; 487 __u32 tx_max_pending; 488 __u32 rx_pending; 489 __u32 rx_mini_pending; 490 __u32 rx_jumbo_pending; 491 __u32 tx_pending; 492}; 493 494/** 495 * struct ethtool_channels - configuring number of network channel 496 * @cmd: ETHTOOL_{G,S}CHANNELS 497 * @max_rx: Read only. Maximum number of receive channel the driver support. 498 * @max_tx: Read only. Maximum number of transmit channel the driver support. 499 * @max_other: Read only. Maximum number of other channel the driver support. 500 * @max_combined: Read only. Maximum number of combined channel the driver 501 * support. Set of queues RX, TX or other. 502 * @rx_count: Valid values are in the range 1 to the max_rx. 503 * @tx_count: Valid values are in the range 1 to the max_tx. 504 * @other_count: Valid values are in the range 1 to the max_other. 505 * @combined_count: Valid values are in the range 1 to the max_combined. 506 * 507 * This can be used to configure RX, TX and other channels. 508 */ 509 510struct ethtool_channels { 511 __u32 cmd; 512 __u32 max_rx; 513 __u32 max_tx; 514 __u32 max_other; 515 __u32 max_combined; 516 __u32 rx_count; 517 __u32 tx_count; 518 __u32 other_count; 519 __u32 combined_count; 520}; 521 522/** 523 * struct ethtool_pauseparam - Ethernet pause (flow control) parameters 524 * @cmd: Command number = %ETHTOOL_GPAUSEPARAM or %ETHTOOL_SPAUSEPARAM 525 * @autoneg: Flag to enable autonegotiation of pause frame use 526 * @rx_pause: Flag to enable reception of pause frames 527 * @tx_pause: Flag to enable transmission of pause frames 528 * 529 * Drivers should reject a non-zero setting of @autoneg when 530 * autoneogotiation is disabled (or not supported) for the link. 531 * 532 * If the link is autonegotiated, drivers should use 533 * mii_advertise_flowctrl() or similar code to set the advertised 534 * pause frame capabilities based on the @rx_pause and @tx_pause flags, 535 * even if @autoneg is zero. They should also allow the advertised 536 * pause frame capabilities to be controlled directly through the 537 * advertising field of &struct ethtool_cmd. 538 * 539 * If @autoneg is non-zero, the MAC is configured to send and/or 540 * receive pause frames according to the result of autonegotiation. 541 * Otherwise, it is configured directly based on the @rx_pause and 542 * @tx_pause flags. 543 */ 544struct ethtool_pauseparam { 545 __u32 cmd; 546 __u32 autoneg; 547 __u32 rx_pause; 548 __u32 tx_pause; 549}; 550 551#define ETH_GSTRING_LEN 32 552 553/** 554 * enum ethtool_stringset - string set ID 555 * @ETH_SS_TEST: Self-test result names, for use with %ETHTOOL_TEST 556 * @ETH_SS_STATS: Statistic names, for use with %ETHTOOL_GSTATS 557 * @ETH_SS_PRIV_FLAGS: Driver private flag names, for use with 558 * %ETHTOOL_GPFLAGS and %ETHTOOL_SPFLAGS 559 * @ETH_SS_NTUPLE_FILTERS: Previously used with %ETHTOOL_GRXNTUPLE; 560 * now deprecated 561 * @ETH_SS_FEATURES: Device feature names 562 * @ETH_SS_RSS_HASH_FUNCS: RSS hush function names 563 * @ETH_SS_PHY_STATS: Statistic names, for use with %ETHTOOL_GPHYSTATS 564 * @ETH_SS_PHY_TUNABLES: PHY tunable names 565 */ 566enum ethtool_stringset { 567 ETH_SS_TEST = 0, 568 ETH_SS_STATS, 569 ETH_SS_PRIV_FLAGS, 570 ETH_SS_NTUPLE_FILTERS, 571 ETH_SS_FEATURES, 572 ETH_SS_RSS_HASH_FUNCS, 573 ETH_SS_TUNABLES, 574 ETH_SS_PHY_STATS, 575 ETH_SS_PHY_TUNABLES, 576}; 577 578/** 579 * struct ethtool_gstrings - string set for data tagging 580 * @cmd: Command number = %ETHTOOL_GSTRINGS 581 * @string_set: String set ID; one of &enum ethtool_stringset 582 * @len: On return, the number of strings in the string set 583 * @data: Buffer for strings. Each string is null-padded to a size of 584 * %ETH_GSTRING_LEN. 585 * 586 * Users must use %ETHTOOL_GSSET_INFO to find the number of strings in 587 * the string set. They must allocate a buffer of the appropriate 588 * size immediately following this structure. 589 */ 590struct ethtool_gstrings { 591 __u32 cmd; 592 __u32 string_set; 593 __u32 len; 594 __u8 data[0]; 595}; 596 597/** 598 * struct ethtool_sset_info - string set information 599 * @cmd: Command number = %ETHTOOL_GSSET_INFO 600 * @sset_mask: On entry, a bitmask of string sets to query, with bits 601 * numbered according to &enum ethtool_stringset. On return, a 602 * bitmask of those string sets queried that are supported. 603 * @data: Buffer for string set sizes. On return, this contains the 604 * size of each string set that was queried and supported, in 605 * order of ID. 606 * 607 * Example: The user passes in @sset_mask = 0x7 (sets 0, 1, 2) and on 608 * return @sset_mask == 0x6 (sets 1, 2). Then @data[0] contains the 609 * size of set 1 and @data[1] contains the size of set 2. 610 * 611 * Users must allocate a buffer of the appropriate size (4 * number of 612 * sets queried) immediately following this structure. 613 */ 614struct ethtool_sset_info { 615 __u32 cmd; 616 __u32 reserved; 617 __u64 sset_mask; 618 __u32 data[0]; 619}; 620 621/** 622 * enum ethtool_test_flags - flags definition of ethtool_test 623 * @ETH_TEST_FL_OFFLINE: if set perform online and offline tests, otherwise 624 * only online tests. 625 * @ETH_TEST_FL_FAILED: Driver set this flag if test fails. 626 * @ETH_TEST_FL_EXTERNAL_LB: Application request to perform external loopback 627 * test. 628 * @ETH_TEST_FL_EXTERNAL_LB_DONE: Driver performed the external loopback test 629 */ 630 631enum ethtool_test_flags { 632 ETH_TEST_FL_OFFLINE = (1 << 0), 633 ETH_TEST_FL_FAILED = (1 << 1), 634 ETH_TEST_FL_EXTERNAL_LB = (1 << 2), 635 ETH_TEST_FL_EXTERNAL_LB_DONE = (1 << 3), 636}; 637 638/** 639 * struct ethtool_test - device self-test invocation 640 * @cmd: Command number = %ETHTOOL_TEST 641 * @flags: A bitmask of flags from &enum ethtool_test_flags. Some 642 * flags may be set by the user on entry; others may be set by 643 * the driver on return. 644 * @len: On return, the number of test results 645 * @data: Array of test results 646 * 647 * Users must use %ETHTOOL_GSSET_INFO or %ETHTOOL_GDRVINFO to find the 648 * number of test results that will be returned. They must allocate a 649 * buffer of the appropriate size (8 * number of results) immediately 650 * following this structure. 651 */ 652struct ethtool_test { 653 __u32 cmd; 654 __u32 flags; 655 __u32 reserved; 656 __u32 len; 657 __u64 data[0]; 658}; 659 660/** 661 * struct ethtool_stats - device-specific statistics 662 * @cmd: Command number = %ETHTOOL_GSTATS 663 * @n_stats: On return, the number of statistics 664 * @data: Array of statistics 665 * 666 * Users must use %ETHTOOL_GSSET_INFO or %ETHTOOL_GDRVINFO to find the 667 * number of statistics that will be returned. They must allocate a 668 * buffer of the appropriate size (8 * number of statistics) 669 * immediately following this structure. 670 */ 671struct ethtool_stats { 672 __u32 cmd; 673 __u32 n_stats; 674 __u64 data[0]; 675}; 676 677/** 678 * struct ethtool_perm_addr - permanent hardware address 679 * @cmd: Command number = %ETHTOOL_GPERMADDR 680 * @size: On entry, the size of the buffer. On return, the size of the 681 * address. The command fails if the buffer is too small. 682 * @data: Buffer for the address 683 * 684 * Users must allocate the buffer immediately following this structure. 685 * A buffer size of %MAX_ADDR_LEN should be sufficient for any address 686 * type. 687 */ 688struct ethtool_perm_addr { 689 __u32 cmd; 690 __u32 size; 691 __u8 data[0]; 692}; 693 694/* boolean flags controlling per-interface behavior characteristics. 695 * When reading, the flag indicates whether or not a certain behavior 696 * is enabled/present. When writing, the flag indicates whether 697 * or not the driver should turn on (set) or off (clear) a behavior. 698 * 699 * Some behaviors may read-only (unconditionally absent or present). 700 * If such is the case, return EINVAL in the set-flags operation if the 701 * flag differs from the read-only value. 702 */ 703enum ethtool_flags { 704 ETH_FLAG_TXVLAN = (1 << 7), /* TX VLAN offload enabled */ 705 ETH_FLAG_RXVLAN = (1 << 8), /* RX VLAN offload enabled */ 706 ETH_FLAG_LRO = (1 << 15), /* LRO is enabled */ 707 ETH_FLAG_NTUPLE = (1 << 27), /* N-tuple filters enabled */ 708 ETH_FLAG_RXHASH = (1 << 28), 709}; 710 711/* The following structures are for supporting RX network flow 712 * classification and RX n-tuple configuration. Note, all multibyte 713 * fields, e.g., ip4src, ip4dst, psrc, pdst, spi, etc. are expected to 714 * be in network byte order. 715 */ 716 717/** 718 * struct ethtool_tcpip4_spec - flow specification for TCP/IPv4 etc. 719 * @ip4src: Source host 720 * @ip4dst: Destination host 721 * @psrc: Source port 722 * @pdst: Destination port 723 * @tos: Type-of-service 724 * 725 * This can be used to specify a TCP/IPv4, UDP/IPv4 or SCTP/IPv4 flow. 726 */ 727struct ethtool_tcpip4_spec { 728 __be32 ip4src; 729 __be32 ip4dst; 730 __be16 psrc; 731 __be16 pdst; 732 __u8 tos; 733}; 734 735/** 736 * struct ethtool_ah_espip4_spec - flow specification for IPsec/IPv4 737 * @ip4src: Source host 738 * @ip4dst: Destination host 739 * @spi: Security parameters index 740 * @tos: Type-of-service 741 * 742 * This can be used to specify an IPsec transport or tunnel over IPv4. 743 */ 744struct ethtool_ah_espip4_spec { 745 __be32 ip4src; 746 __be32 ip4dst; 747 __be32 spi; 748 __u8 tos; 749}; 750 751#define ETH_RX_NFC_IP4 1 752 753/** 754 * struct ethtool_usrip4_spec - general flow specification for IPv4 755 * @ip4src: Source host 756 * @ip4dst: Destination host 757 * @l4_4_bytes: First 4 bytes of transport (layer 4) header 758 * @tos: Type-of-service 759 * @ip_ver: Value must be %ETH_RX_NFC_IP4; mask must be 0 760 * @proto: Transport protocol number; mask must be 0 761 */ 762struct ethtool_usrip4_spec { 763 __be32 ip4src; 764 __be32 ip4dst; 765 __be32 l4_4_bytes; 766 __u8 tos; 767 __u8 ip_ver; 768 __u8 proto; 769}; 770 771/** 772 * struct ethtool_tcpip6_spec - flow specification for TCP/IPv6 etc. 773 * @ip6src: Source host 774 * @ip6dst: Destination host 775 * @psrc: Source port 776 * @pdst: Destination port 777 * @tclass: Traffic Class 778 * 779 * This can be used to specify a TCP/IPv6, UDP/IPv6 or SCTP/IPv6 flow. 780 */ 781struct ethtool_tcpip6_spec { 782 __be32 ip6src[4]; 783 __be32 ip6dst[4]; 784 __be16 psrc; 785 __be16 pdst; 786 __u8 tclass; 787}; 788 789/** 790 * struct ethtool_ah_espip6_spec - flow specification for IPsec/IPv6 791 * @ip6src: Source host 792 * @ip6dst: Destination host 793 * @spi: Security parameters index 794 * @tclass: Traffic Class 795 * 796 * This can be used to specify an IPsec transport or tunnel over IPv6. 797 */ 798struct ethtool_ah_espip6_spec { 799 __be32 ip6src[4]; 800 __be32 ip6dst[4]; 801 __be32 spi; 802 __u8 tclass; 803}; 804 805/** 806 * struct ethtool_usrip6_spec - general flow specification for IPv6 807 * @ip6src: Source host 808 * @ip6dst: Destination host 809 * @l4_4_bytes: First 4 bytes of transport (layer 4) header 810 * @tclass: Traffic Class 811 * @l4_proto: Transport protocol number (nexthdr after any Extension Headers) 812 */ 813struct ethtool_usrip6_spec { 814 __be32 ip6src[4]; 815 __be32 ip6dst[4]; 816 __be32 l4_4_bytes; 817 __u8 tclass; 818 __u8 l4_proto; 819}; 820 821union ethtool_flow_union { 822 struct ethtool_tcpip4_spec tcp_ip4_spec; 823 struct ethtool_tcpip4_spec udp_ip4_spec; 824 struct ethtool_tcpip4_spec sctp_ip4_spec; 825 struct ethtool_ah_espip4_spec ah_ip4_spec; 826 struct ethtool_ah_espip4_spec esp_ip4_spec; 827 struct ethtool_usrip4_spec usr_ip4_spec; 828 struct ethtool_tcpip6_spec tcp_ip6_spec; 829 struct ethtool_tcpip6_spec udp_ip6_spec; 830 struct ethtool_tcpip6_spec sctp_ip6_spec; 831 struct ethtool_ah_espip6_spec ah_ip6_spec; 832 struct ethtool_ah_espip6_spec esp_ip6_spec; 833 struct ethtool_usrip6_spec usr_ip6_spec; 834 struct ethhdr ether_spec; 835 __u8 hdata[52]; 836}; 837 838/** 839 * struct ethtool_flow_ext - additional RX flow fields 840 * @h_dest: destination MAC address 841 * @vlan_etype: VLAN EtherType 842 * @vlan_tci: VLAN tag control information 843 * @data: user defined data 844 * 845 * Note, @vlan_etype, @vlan_tci, and @data are only valid if %FLOW_EXT 846 * is set in &struct ethtool_rx_flow_spec @flow_type. 847 * @h_dest is valid if %FLOW_MAC_EXT is set. 848 */ 849struct ethtool_flow_ext { 850 __u8 padding[2]; 851 unsigned char h_dest[ETH_ALEN]; 852 __be16 vlan_etype; 853 __be16 vlan_tci; 854 __be32 data[2]; 855}; 856 857/** 858 * struct ethtool_rx_flow_spec - classification rule for RX flows 859 * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW 860 * @h_u: Flow fields to match (dependent on @flow_type) 861 * @h_ext: Additional fields to match 862 * @m_u: Masks for flow field bits to be matched 863 * @m_ext: Masks for additional field bits to be matched 864 * Note, all additional fields must be ignored unless @flow_type 865 * includes the %FLOW_EXT or %FLOW_MAC_EXT flag 866 * (see &struct ethtool_flow_ext description). 867 * @ring_cookie: RX ring/queue index to deliver to, or %RX_CLS_FLOW_DISC 868 * if packets should be discarded 869 * @location: Location of rule in the table. Locations must be 870 * numbered such that a flow matching multiple rules will be 871 * classified according to the first (lowest numbered) rule. 872 */ 873struct ethtool_rx_flow_spec { 874 __u32 flow_type; 875 union ethtool_flow_union h_u; 876 struct ethtool_flow_ext h_ext; 877 union ethtool_flow_union m_u; 878 struct ethtool_flow_ext m_ext; 879 __u64 ring_cookie; 880 __u32 location; 881}; 882 883/* How rings are layed out when accessing virtual functions or 884 * offloaded queues is device specific. To allow users to do flow 885 * steering and specify these queues the ring cookie is partitioned 886 * into a 32bit queue index with an 8 bit virtual function id. 887 * This also leaves the 3bytes for further specifiers. It is possible 888 * future devices may support more than 256 virtual functions if 889 * devices start supporting PCIe w/ARI. However at the moment I 890 * do not know of any devices that support this so I do not reserve 891 * space for this at this time. If a future patch consumes the next 892 * byte it should be aware of this possiblity. 893 */ 894#define ETHTOOL_RX_FLOW_SPEC_RING 0x00000000FFFFFFFFLL 895#define ETHTOOL_RX_FLOW_SPEC_RING_VF 0x000000FF00000000LL 896#define ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF 32 897static inline __u64 ethtool_get_flow_spec_ring(__u64 ring_cookie) 898{ 899 return ETHTOOL_RX_FLOW_SPEC_RING & ring_cookie; 900}; 901 902static inline __u64 ethtool_get_flow_spec_ring_vf(__u64 ring_cookie) 903{ 904 return (ETHTOOL_RX_FLOW_SPEC_RING_VF & ring_cookie) >> 905 ETHTOOL_RX_FLOW_SPEC_RING_VF_OFF; 906}; 907 908/** 909 * struct ethtool_rxnfc - command to get or set RX flow classification rules 910 * @cmd: Specific command number - %ETHTOOL_GRXFH, %ETHTOOL_SRXFH, 911 * %ETHTOOL_GRXRINGS, %ETHTOOL_GRXCLSRLCNT, %ETHTOOL_GRXCLSRULE, 912 * %ETHTOOL_GRXCLSRLALL, %ETHTOOL_SRXCLSRLDEL or %ETHTOOL_SRXCLSRLINS 913 * @flow_type: Type of flow to be affected, e.g. %TCP_V4_FLOW 914 * @data: Command-dependent value 915 * @fs: Flow classification rule 916 * @rule_cnt: Number of rules to be affected 917 * @rule_locs: Array of used rule locations 918 * 919 * For %ETHTOOL_GRXFH and %ETHTOOL_SRXFH, @data is a bitmask indicating 920 * the fields included in the flow hash, e.g. %RXH_IP_SRC. The following 921 * structure fields must not be used. 922 * 923 * For %ETHTOOL_GRXRINGS, @data is set to the number of RX rings/queues 924 * on return. 925 * 926 * For %ETHTOOL_GRXCLSRLCNT, @rule_cnt is set to the number of defined 927 * rules on return. If @data is non-zero on return then it is the 928 * size of the rule table, plus the flag %RX_CLS_LOC_SPECIAL if the 929 * driver supports any special location values. If that flag is not 930 * set in @data then special location values should not be used. 931 * 932 * For %ETHTOOL_GRXCLSRULE, @fs.@location specifies the location of an 933 * existing rule on entry and @fs contains the rule on return. 934 * 935 * For %ETHTOOL_GRXCLSRLALL, @rule_cnt specifies the array size of the 936 * user buffer for @rule_locs on entry. On return, @data is the size 937 * of the rule table, @rule_cnt is the number of defined rules, and 938 * @rule_locs contains the locations of the defined rules. Drivers 939 * must use the second parameter to get_rxnfc() instead of @rule_locs. 940 * 941 * For %ETHTOOL_SRXCLSRLINS, @fs specifies the rule to add or update. 942 * @fs.@location either specifies the location to use or is a special 943 * location value with %RX_CLS_LOC_SPECIAL flag set. On return, 944 * @fs.@location is the actual rule location. 945 * 946 * For %ETHTOOL_SRXCLSRLDEL, @fs.@location specifies the location of an 947 * existing rule on entry. 948 * 949 * A driver supporting the special location values for 950 * %ETHTOOL_SRXCLSRLINS may add the rule at any suitable unused 951 * location, and may remove a rule at a later location (lower 952 * priority) that matches exactly the same set of flows. The special 953 * values are %RX_CLS_LOC_ANY, selecting any location; 954 * %RX_CLS_LOC_FIRST, selecting the first suitable location (maximum 955 * priority); and %RX_CLS_LOC_LAST, selecting the last suitable 956 * location (minimum priority). Additional special values may be 957 * defined in future and drivers must return -%EINVAL for any 958 * unrecognised value. 959 */ 960struct ethtool_rxnfc { 961 __u32 cmd; 962 __u32 flow_type; 963 __u64 data; 964 struct ethtool_rx_flow_spec fs; 965 __u32 rule_cnt; 966 __u32 rule_locs[0]; 967}; 968 969 970/** 971 * struct ethtool_rxfh_indir - command to get or set RX flow hash indirection 972 * @cmd: Specific command number - %ETHTOOL_GRXFHINDIR or %ETHTOOL_SRXFHINDIR 973 * @size: On entry, the array size of the user buffer, which may be zero. 974 * On return from %ETHTOOL_GRXFHINDIR, the array size of the hardware 975 * indirection table. 976 * @ring_index: RX ring/queue index for each hash value 977 * 978 * For %ETHTOOL_GRXFHINDIR, a @size of zero means that only the size 979 * should be returned. For %ETHTOOL_SRXFHINDIR, a @size of zero means 980 * the table should be reset to default values. This last feature 981 * is not supported by the original implementations. 982 */ 983struct ethtool_rxfh_indir { 984 __u32 cmd; 985 __u32 size; 986 __u32 ring_index[0]; 987}; 988 989/** 990 * struct ethtool_rxfh - command to get/set RX flow hash indir or/and hash key. 991 * @cmd: Specific command number - %ETHTOOL_GRSSH or %ETHTOOL_SRSSH 992 * @rss_context: RSS context identifier. 993 * @indir_size: On entry, the array size of the user buffer for the 994 * indirection table, which may be zero, or (for %ETHTOOL_SRSSH), 995 * %ETH_RXFH_INDIR_NO_CHANGE. On return from %ETHTOOL_GRSSH, 996 * the array size of the hardware indirection table. 997 * @key_size: On entry, the array size of the user buffer for the hash key, 998 * which may be zero. On return from %ETHTOOL_GRSSH, the size of the 999 * hardware hash key. 1000 * @hfunc: Defines the current RSS hash function used by HW (or to be set to). 1001 * Valid values are one of the %ETH_RSS_HASH_*. 1002 * @rsvd: Reserved for future extensions. 1003 * @rss_config: RX ring/queue index for each hash value i.e., indirection table 1004 * of @indir_size __u32 elements, followed by hash key of @key_size 1005 * bytes. 1006 * 1007 * For %ETHTOOL_GRSSH, a @indir_size and key_size of zero means that only the 1008 * size should be returned. For %ETHTOOL_SRSSH, an @indir_size of 1009 * %ETH_RXFH_INDIR_NO_CHANGE means that indir table setting is not requested 1010 * and a @indir_size of zero means the indir table should be reset to default 1011 * values. An hfunc of zero means that hash function setting is not requested. 1012 */ 1013struct ethtool_rxfh { 1014 __u32 cmd; 1015 __u32 rss_context; 1016 __u32 indir_size; 1017 __u32 key_size; 1018 __u8 hfunc; 1019 __u8 rsvd8[3]; 1020 __u32 rsvd32; 1021 __u32 rss_config[0]; 1022}; 1023#define ETH_RXFH_INDIR_NO_CHANGE 0xffffffff 1024 1025/** 1026 * struct ethtool_rx_ntuple_flow_spec - specification for RX flow filter 1027 * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW 1028 * @h_u: Flow field values to match (dependent on @flow_type) 1029 * @m_u: Masks for flow field value bits to be ignored 1030 * @vlan_tag: VLAN tag to match 1031 * @vlan_tag_mask: Mask for VLAN tag bits to be ignored 1032 * @data: Driver-dependent data to match 1033 * @data_mask: Mask for driver-dependent data bits to be ignored 1034 * @action: RX ring/queue index to deliver to (non-negative) or other action 1035 * (negative, e.g. %ETHTOOL_RXNTUPLE_ACTION_DROP) 1036 * 1037 * For flow types %TCP_V4_FLOW, %UDP_V4_FLOW and %SCTP_V4_FLOW, where 1038 * a field value and mask are both zero this is treated as if all mask 1039 * bits are set i.e. the field is ignored. 1040 */ 1041struct ethtool_rx_ntuple_flow_spec { 1042 __u32 flow_type; 1043 union { 1044 struct ethtool_tcpip4_spec tcp_ip4_spec; 1045 struct ethtool_tcpip4_spec udp_ip4_spec; 1046 struct ethtool_tcpip4_spec sctp_ip4_spec; 1047 struct ethtool_ah_espip4_spec ah_ip4_spec; 1048 struct ethtool_ah_espip4_spec esp_ip4_spec; 1049 struct ethtool_usrip4_spec usr_ip4_spec; 1050 struct ethhdr ether_spec; 1051 __u8 hdata[72]; 1052 } h_u, m_u; 1053 1054 __u16 vlan_tag; 1055 __u16 vlan_tag_mask; 1056 __u64 data; 1057 __u64 data_mask; 1058 1059 __s32 action; 1060#define ETHTOOL_RXNTUPLE_ACTION_DROP (-1) /* drop packet */ 1061#define ETHTOOL_RXNTUPLE_ACTION_CLEAR (-2) /* clear filter */ 1062}; 1063 1064/** 1065 * struct ethtool_rx_ntuple - command to set or clear RX flow filter 1066 * @cmd: Command number - %ETHTOOL_SRXNTUPLE 1067 * @fs: Flow filter specification 1068 */ 1069struct ethtool_rx_ntuple { 1070 __u32 cmd; 1071 struct ethtool_rx_ntuple_flow_spec fs; 1072}; 1073 1074#define ETHTOOL_FLASH_MAX_FILENAME 128 1075enum ethtool_flash_op_type { 1076 ETHTOOL_FLASH_ALL_REGIONS = 0, 1077}; 1078 1079/* for passing firmware flashing related parameters */ 1080struct ethtool_flash { 1081 __u32 cmd; 1082 __u32 region; 1083 char data[ETHTOOL_FLASH_MAX_FILENAME]; 1084}; 1085 1086/** 1087 * struct ethtool_dump - used for retrieving, setting device dump 1088 * @cmd: Command number - %ETHTOOL_GET_DUMP_FLAG, %ETHTOOL_GET_DUMP_DATA, or 1089 * %ETHTOOL_SET_DUMP 1090 * @version: FW version of the dump, filled in by driver 1091 * @flag: driver dependent flag for dump setting, filled in by driver during 1092 * get and filled in by ethtool for set operation. 1093 * flag must be initialized by macro ETH_FW_DUMP_DISABLE value when 1094 * firmware dump is disabled. 1095 * @len: length of dump data, used as the length of the user buffer on entry to 1096 * %ETHTOOL_GET_DUMP_DATA and this is returned as dump length by driver 1097 * for %ETHTOOL_GET_DUMP_FLAG command 1098 * @data: data collected for get dump data operation 1099 */ 1100struct ethtool_dump { 1101 __u32 cmd; 1102 __u32 version; 1103 __u32 flag; 1104 __u32 len; 1105 __u8 data[0]; 1106}; 1107 1108#define ETH_FW_DUMP_DISABLE 0 1109 1110/* for returning and changing feature sets */ 1111 1112/** 1113 * struct ethtool_get_features_block - block with state of 32 features 1114 * @available: mask of changeable features 1115 * @requested: mask of features requested to be enabled if possible 1116 * @active: mask of currently enabled features 1117 * @never_changed: mask of features not changeable for any device 1118 */ 1119struct ethtool_get_features_block { 1120 __u32 available; 1121 __u32 requested; 1122 __u32 active; 1123 __u32 never_changed; 1124}; 1125 1126/** 1127 * struct ethtool_gfeatures - command to get state of device's features 1128 * @cmd: command number = %ETHTOOL_GFEATURES 1129 * @size: On entry, the number of elements in the features[] array; 1130 * on return, the number of elements in features[] needed to hold 1131 * all features 1132 * @features: state of features 1133 */ 1134struct ethtool_gfeatures { 1135 __u32 cmd; 1136 __u32 size; 1137 struct ethtool_get_features_block features[0]; 1138}; 1139 1140/** 1141 * struct ethtool_set_features_block - block with request for 32 features 1142 * @valid: mask of features to be changed 1143 * @requested: values of features to be changed 1144 */ 1145struct ethtool_set_features_block { 1146 __u32 valid; 1147 __u32 requested; 1148}; 1149 1150/** 1151 * struct ethtool_sfeatures - command to request change in device's features 1152 * @cmd: command number = %ETHTOOL_SFEATURES 1153 * @size: array size of the features[] array 1154 * @features: feature change masks 1155 */ 1156struct ethtool_sfeatures { 1157 __u32 cmd; 1158 __u32 size; 1159 struct ethtool_set_features_block features[0]; 1160}; 1161 1162/** 1163 * struct ethtool_ts_info - holds a device's timestamping and PHC association 1164 * @cmd: command number = %ETHTOOL_GET_TS_INFO 1165 * @so_timestamping: bit mask of the sum of the supported SO_TIMESTAMPING flags 1166 * @phc_index: device index of the associated PHC, or -1 if there is none 1167 * @tx_types: bit mask of the supported hwtstamp_tx_types enumeration values 1168 * @rx_filters: bit mask of the supported hwtstamp_rx_filters enumeration values 1169 * 1170 * The bits in the 'tx_types' and 'rx_filters' fields correspond to 1171 * the 'hwtstamp_tx_types' and 'hwtstamp_rx_filters' enumeration values, 1172 * respectively. For example, if the device supports HWTSTAMP_TX_ON, 1173 * then (1 << HWTSTAMP_TX_ON) in 'tx_types' will be set. 1174 * 1175 * Drivers should only report the filters they actually support without 1176 * upscaling in the SIOCSHWTSTAMP ioctl. If the SIOCSHWSTAMP request for 1177 * HWTSTAMP_FILTER_V1_SYNC is supported by HWTSTAMP_FILTER_V1_EVENT, then the 1178 * driver should only report HWTSTAMP_FILTER_V1_EVENT in this op. 1179 */ 1180struct ethtool_ts_info { 1181 __u32 cmd; 1182 __u32 so_timestamping; 1183 __s32 phc_index; 1184 __u32 tx_types; 1185 __u32 tx_reserved[3]; 1186 __u32 rx_filters; 1187 __u32 rx_reserved[3]; 1188}; 1189 1190/* 1191 * %ETHTOOL_SFEATURES changes features present in features[].valid to the 1192 * values of corresponding bits in features[].requested. Bits in .requested 1193 * not set in .valid or not changeable are ignored. 1194 * 1195 * Returns %EINVAL when .valid contains undefined or never-changeable bits 1196 * or size is not equal to required number of features words (32-bit blocks). 1197 * Returns >= 0 if request was completed; bits set in the value mean: 1198 * %ETHTOOL_F_UNSUPPORTED - there were bits set in .valid that are not 1199 * changeable (not present in %ETHTOOL_GFEATURES' features[].available) 1200 * those bits were ignored. 1201 * %ETHTOOL_F_WISH - some or all changes requested were recorded but the 1202 * resulting state of bits masked by .valid is not equal to .requested. 1203 * Probably there are other device-specific constraints on some features 1204 * in the set. When %ETHTOOL_F_UNSUPPORTED is set, .valid is considered 1205 * here as though ignored bits were cleared. 1206 * %ETHTOOL_F_COMPAT - some or all changes requested were made by calling 1207 * compatibility functions. Requested offload state cannot be properly 1208 * managed by kernel. 1209 * 1210 * Meaning of bits in the masks are obtained by %ETHTOOL_GSSET_INFO (number of 1211 * bits in the arrays - always multiple of 32) and %ETHTOOL_GSTRINGS commands 1212 * for ETH_SS_FEATURES string set. First entry in the table corresponds to least 1213 * significant bit in features[0] fields. Empty strings mark undefined features. 1214 */ 1215enum ethtool_sfeatures_retval_bits { 1216 ETHTOOL_F_UNSUPPORTED__BIT, 1217 ETHTOOL_F_WISH__BIT, 1218 ETHTOOL_F_COMPAT__BIT, 1219}; 1220 1221#define ETHTOOL_F_UNSUPPORTED (1 << ETHTOOL_F_UNSUPPORTED__BIT) 1222#define ETHTOOL_F_WISH (1 << ETHTOOL_F_WISH__BIT) 1223#define ETHTOOL_F_COMPAT (1 << ETHTOOL_F_COMPAT__BIT) 1224 1225#define MAX_NUM_QUEUE 4096 1226 1227/** 1228 * struct ethtool_per_queue_op - apply sub command to the queues in mask. 1229 * @cmd: ETHTOOL_PERQUEUE 1230 * @sub_command: the sub command which apply to each queues 1231 * @queue_mask: Bitmap of the queues which sub command apply to 1232 * @data: A complete command structure following for each of the queues addressed 1233 */ 1234struct ethtool_per_queue_op { 1235 __u32 cmd; 1236 __u32 sub_command; 1237 __u32 queue_mask[__KERNEL_DIV_ROUND_UP(MAX_NUM_QUEUE, 32)]; 1238 char data[]; 1239}; 1240 1241/* CMDs currently supported */ 1242#define ETHTOOL_GSET 0x00000001 /* DEPRECATED, Get settings. 1243 * Please use ETHTOOL_GLINKSETTINGS 1244 */ 1245#define ETHTOOL_SSET 0x00000002 /* DEPRECATED, Set settings. 1246 * Please use ETHTOOL_SLINKSETTINGS 1247 */ 1248#define ETHTOOL_GDRVINFO 0x00000003 /* Get driver info. */ 1249#define ETHTOOL_GREGS 0x00000004 /* Get NIC registers. */ 1250#define ETHTOOL_GWOL 0x00000005 /* Get wake-on-lan options. */ 1251#define ETHTOOL_SWOL 0x00000006 /* Set wake-on-lan options. */ 1252#define ETHTOOL_GMSGLVL 0x00000007 /* Get driver message level */ 1253#define ETHTOOL_SMSGLVL 0x00000008 /* Set driver msg level. */ 1254#define ETHTOOL_NWAY_RST 0x00000009 /* Restart autonegotiation. */ 1255/* Get link status for host, i.e. whether the interface *and* the 1256 * physical port (if there is one) are up (ethtool_value). */ 1257#define ETHTOOL_GLINK 0x0000000a 1258#define ETHTOOL_GEEPROM 0x0000000b /* Get EEPROM data */ 1259#define ETHTOOL_SEEPROM 0x0000000c /* Set EEPROM data. */ 1260#define ETHTOOL_GCOALESCE 0x0000000e /* Get coalesce config */ 1261#define ETHTOOL_SCOALESCE 0x0000000f /* Set coalesce config. */ 1262#define ETHTOOL_GRINGPARAM 0x00000010 /* Get ring parameters */ 1263#define ETHTOOL_SRINGPARAM 0x00000011 /* Set ring parameters. */ 1264#define ETHTOOL_GPAUSEPARAM 0x00000012 /* Get pause parameters */ 1265#define ETHTOOL_SPAUSEPARAM 0x00000013 /* Set pause parameters. */ 1266#define ETHTOOL_GRXCSUM 0x00000014 /* Get RX hw csum enable (ethtool_value) */ 1267#define ETHTOOL_SRXCSUM 0x00000015 /* Set RX hw csum enable (ethtool_value) */ 1268#define ETHTOOL_GTXCSUM 0x00000016 /* Get TX hw csum enable (ethtool_value) */ 1269#define ETHTOOL_STXCSUM 0x00000017 /* Set TX hw csum enable (ethtool_value) */ 1270#define ETHTOOL_GSG 0x00000018 /* Get scatter-gather enable 1271 * (ethtool_value) */ 1272#define ETHTOOL_SSG 0x00000019 /* Set scatter-gather enable 1273 * (ethtool_value). */ 1274#define ETHTOOL_TEST 0x0000001a /* execute NIC self-test. */ 1275#define ETHTOOL_GSTRINGS 0x0000001b /* get specified string set */ 1276#define ETHTOOL_PHYS_ID 0x0000001c /* identify the NIC */ 1277#define ETHTOOL_GSTATS 0x0000001d /* get NIC-specific statistics */ 1278#define ETHTOOL_GTSO 0x0000001e /* Get TSO enable (ethtool_value) */ 1279#define ETHTOOL_STSO 0x0000001f /* Set TSO enable (ethtool_value) */ 1280#define ETHTOOL_GPERMADDR 0x00000020 /* Get permanent hardware address */ 1281#define ETHTOOL_GUFO 0x00000021 /* Get UFO enable (ethtool_value) */ 1282#define ETHTOOL_SUFO 0x00000022 /* Set UFO enable (ethtool_value) */ 1283#define ETHTOOL_GGSO 0x00000023 /* Get GSO enable (ethtool_value) */ 1284#define ETHTOOL_SGSO 0x00000024 /* Set GSO enable (ethtool_value) */ 1285#define ETHTOOL_GFLAGS 0x00000025 /* Get flags bitmap(ethtool_value) */ 1286#define ETHTOOL_SFLAGS 0x00000026 /* Set flags bitmap(ethtool_value) */ 1287#define ETHTOOL_GPFLAGS 0x00000027 /* Get driver-private flags bitmap */ 1288#define ETHTOOL_SPFLAGS 0x00000028 /* Set driver-private flags bitmap */ 1289 1290#define ETHTOOL_GRXFH 0x00000029 /* Get RX flow hash configuration */ 1291#define ETHTOOL_SRXFH 0x0000002a /* Set RX flow hash configuration */ 1292#define ETHTOOL_GGRO 0x0000002b /* Get GRO enable (ethtool_value) */ 1293#define ETHTOOL_SGRO 0x0000002c /* Set GRO enable (ethtool_value) */ 1294#define ETHTOOL_GRXRINGS 0x0000002d /* Get RX rings available for LB */ 1295#define ETHTOOL_GRXCLSRLCNT 0x0000002e /* Get RX class rule count */ 1296#define ETHTOOL_GRXCLSRULE 0x0000002f /* Get RX classification rule */ 1297#define ETHTOOL_GRXCLSRLALL 0x00000030 /* Get all RX classification rule */ 1298#define ETHTOOL_SRXCLSRLDEL 0x00000031 /* Delete RX classification rule */ 1299#define ETHTOOL_SRXCLSRLINS 0x00000032 /* Insert RX classification rule */ 1300#define ETHTOOL_FLASHDEV 0x00000033 /* Flash firmware to device */ 1301#define ETHTOOL_RESET 0x00000034 /* Reset hardware */ 1302#define ETHTOOL_SRXNTUPLE 0x00000035 /* Add an n-tuple filter to device */ 1303#define ETHTOOL_GRXNTUPLE 0x00000036 /* deprecated */ 1304#define ETHTOOL_GSSET_INFO 0x00000037 /* Get string set info */ 1305#define ETHTOOL_GRXFHINDIR 0x00000038 /* Get RX flow hash indir'n table */ 1306#define ETHTOOL_SRXFHINDIR 0x00000039 /* Set RX flow hash indir'n table */ 1307 1308#define ETHTOOL_GFEATURES 0x0000003a /* Get device offload settings */ 1309#define ETHTOOL_SFEATURES 0x0000003b /* Change device offload settings */ 1310#define ETHTOOL_GCHANNELS 0x0000003c /* Get no of channels */ 1311#define ETHTOOL_SCHANNELS 0x0000003d /* Set no of channels */ 1312#define ETHTOOL_SET_DUMP 0x0000003e /* Set dump settings */ 1313#define ETHTOOL_GET_DUMP_FLAG 0x0000003f /* Get dump settings */ 1314#define ETHTOOL_GET_DUMP_DATA 0x00000040 /* Get dump data */ 1315#define ETHTOOL_GET_TS_INFO 0x00000041 /* Get time stamping and PHC info */ 1316#define ETHTOOL_GMODULEINFO 0x00000042 /* Get plug-in module information */ 1317#define ETHTOOL_GMODULEEEPROM 0x00000043 /* Get plug-in module eeprom */ 1318#define ETHTOOL_GEEE 0x00000044 /* Get EEE settings */ 1319#define ETHTOOL_SEEE 0x00000045 /* Set EEE settings */ 1320 1321#define ETHTOOL_GRSSH 0x00000046 /* Get RX flow hash configuration */ 1322#define ETHTOOL_SRSSH 0x00000047 /* Set RX flow hash configuration */ 1323#define ETHTOOL_GTUNABLE 0x00000048 /* Get tunable configuration */ 1324#define ETHTOOL_STUNABLE 0x00000049 /* Set tunable configuration */ 1325#define ETHTOOL_GPHYSTATS 0x0000004a /* get PHY-specific statistics */ 1326 1327#define ETHTOOL_PERQUEUE 0x0000004b /* Set per queue options */ 1328 1329#define ETHTOOL_GLINKSETTINGS 0x0000004c /* Get ethtool_link_settings */ 1330#define ETHTOOL_SLINKSETTINGS 0x0000004d /* Set ethtool_link_settings */ 1331#define ETHTOOL_PHY_GTUNABLE 0x0000004e /* Get PHY tunable configuration */ 1332#define ETHTOOL_PHY_STUNABLE 0x0000004f /* Set PHY tunable configuration */ 1333 1334/* compatibility with older code */ 1335#define SPARC_ETH_GSET ETHTOOL_GSET 1336#define SPARC_ETH_SSET ETHTOOL_SSET 1337 1338/* Link mode bit indices */ 1339enum ethtool_link_mode_bit_indices { 1340 ETHTOOL_LINK_MODE_10baseT_Half_BIT = 0, 1341 ETHTOOL_LINK_MODE_10baseT_Full_BIT = 1, 1342 ETHTOOL_LINK_MODE_100baseT_Half_BIT = 2, 1343 ETHTOOL_LINK_MODE_100baseT_Full_BIT = 3, 1344 ETHTOOL_LINK_MODE_1000baseT_Half_BIT = 4, 1345 ETHTOOL_LINK_MODE_1000baseT_Full_BIT = 5, 1346 ETHTOOL_LINK_MODE_Autoneg_BIT = 6, 1347 ETHTOOL_LINK_MODE_TP_BIT = 7, 1348 ETHTOOL_LINK_MODE_AUI_BIT = 8, 1349 ETHTOOL_LINK_MODE_MII_BIT = 9, 1350 ETHTOOL_LINK_MODE_FIBRE_BIT = 10, 1351 ETHTOOL_LINK_MODE_BNC_BIT = 11, 1352 ETHTOOL_LINK_MODE_10000baseT_Full_BIT = 12, 1353 ETHTOOL_LINK_MODE_Pause_BIT = 13, 1354 ETHTOOL_LINK_MODE_Asym_Pause_BIT = 14, 1355 ETHTOOL_LINK_MODE_2500baseX_Full_BIT = 15, 1356 ETHTOOL_LINK_MODE_Backplane_BIT = 16, 1357 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT = 17, 1358 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT = 18, 1359 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT = 19, 1360 ETHTOOL_LINK_MODE_10000baseR_FEC_BIT = 20, 1361 ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT = 21, 1362 ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT = 22, 1363 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT = 23, 1364 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT = 24, 1365 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT = 25, 1366 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT = 26, 1367 ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT = 27, 1368 ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT = 28, 1369 ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT = 29, 1370 ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT = 30, 1371 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT = 31, 1372 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT = 32, 1373 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT = 33, 1374 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT = 34, 1375 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT = 35, 1376 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT = 36, 1377 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT = 37, 1378 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT = 38, 1379 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT = 39, 1380 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT = 40, 1381 ETHTOOL_LINK_MODE_1000baseX_Full_BIT = 41, 1382 ETHTOOL_LINK_MODE_10000baseCR_Full_BIT = 42, 1383 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT = 43, 1384 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT = 44, 1385 ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT = 45, 1386 ETHTOOL_LINK_MODE_10000baseER_Full_BIT = 46, 1387 ETHTOOL_LINK_MODE_2500baseT_Full_BIT = 47, 1388 ETHTOOL_LINK_MODE_5000baseT_Full_BIT = 48, 1389 1390 1391 /* Last allowed bit for __ETHTOOL_LINK_MODE_LEGACY_MASK is bit 1392 * 31. Please do NOT define any SUPPORTED_* or ADVERTISED_* 1393 * macro for bits > 31. The only way to use indices > 31 is to 1394 * use the new ETHTOOL_GLINKSETTINGS/ETHTOOL_SLINKSETTINGS API. 1395 */ 1396 1397 __ETHTOOL_LINK_MODE_LAST 1398 = ETHTOOL_LINK_MODE_5000baseT_Full_BIT, 1399}; 1400 1401#define __ETHTOOL_LINK_MODE_LEGACY_MASK(base_name) \ 1402 (1UL << (ETHTOOL_LINK_MODE_ ## base_name ## _BIT)) 1403 1404/* DEPRECATED macros. Please migrate to 1405 * ETHTOOL_GLINKSETTINGS/ETHTOOL_SLINKSETTINGS API. Please do NOT 1406 * define any new SUPPORTED_* macro for bits > 31. 1407 */ 1408#define SUPPORTED_10baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Half) 1409#define SUPPORTED_10baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Full) 1410#define SUPPORTED_100baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Half) 1411#define SUPPORTED_100baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Full) 1412#define SUPPORTED_1000baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Half) 1413#define SUPPORTED_1000baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Full) 1414#define SUPPORTED_Autoneg __ETHTOOL_LINK_MODE_LEGACY_MASK(Autoneg) 1415#define SUPPORTED_TP __ETHTOOL_LINK_MODE_LEGACY_MASK(TP) 1416#define SUPPORTED_AUI __ETHTOOL_LINK_MODE_LEGACY_MASK(AUI) 1417#define SUPPORTED_MII __ETHTOOL_LINK_MODE_LEGACY_MASK(MII) 1418#define SUPPORTED_FIBRE __ETHTOOL_LINK_MODE_LEGACY_MASK(FIBRE) 1419#define SUPPORTED_BNC __ETHTOOL_LINK_MODE_LEGACY_MASK(BNC) 1420#define SUPPORTED_10000baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseT_Full) 1421#define SUPPORTED_Pause __ETHTOOL_LINK_MODE_LEGACY_MASK(Pause) 1422#define SUPPORTED_Asym_Pause __ETHTOOL_LINK_MODE_LEGACY_MASK(Asym_Pause) 1423#define SUPPORTED_2500baseX_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(2500baseX_Full) 1424#define SUPPORTED_Backplane __ETHTOOL_LINK_MODE_LEGACY_MASK(Backplane) 1425#define SUPPORTED_1000baseKX_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseKX_Full) 1426#define SUPPORTED_10000baseKX4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKX4_Full) 1427#define SUPPORTED_10000baseKR_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKR_Full) 1428#define SUPPORTED_10000baseR_FEC __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseR_FEC) 1429#define SUPPORTED_20000baseMLD2_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseMLD2_Full) 1430#define SUPPORTED_20000baseKR2_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseKR2_Full) 1431#define SUPPORTED_40000baseKR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseKR4_Full) 1432#define SUPPORTED_40000baseCR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseCR4_Full) 1433#define SUPPORTED_40000baseSR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseSR4_Full) 1434#define SUPPORTED_40000baseLR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseLR4_Full) 1435#define SUPPORTED_56000baseKR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseKR4_Full) 1436#define SUPPORTED_56000baseCR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseCR4_Full) 1437#define SUPPORTED_56000baseSR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseSR4_Full) 1438#define SUPPORTED_56000baseLR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseLR4_Full) 1439/* Please do not define any new SUPPORTED_* macro for bits > 31, see 1440 * notice above. 1441 */ 1442 1443/* 1444 * DEPRECATED macros. Please migrate to 1445 * ETHTOOL_GLINKSETTINGS/ETHTOOL_SLINKSETTINGS API. Please do NOT 1446 * define any new ADERTISE_* macro for bits > 31. 1447 */ 1448#define ADVERTISED_10baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Half) 1449#define ADVERTISED_10baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10baseT_Full) 1450#define ADVERTISED_100baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Half) 1451#define ADVERTISED_100baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(100baseT_Full) 1452#define ADVERTISED_1000baseT_Half __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Half) 1453#define ADVERTISED_1000baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseT_Full) 1454#define ADVERTISED_Autoneg __ETHTOOL_LINK_MODE_LEGACY_MASK(Autoneg) 1455#define ADVERTISED_TP __ETHTOOL_LINK_MODE_LEGACY_MASK(TP) 1456#define ADVERTISED_AUI __ETHTOOL_LINK_MODE_LEGACY_MASK(AUI) 1457#define ADVERTISED_MII __ETHTOOL_LINK_MODE_LEGACY_MASK(MII) 1458#define ADVERTISED_FIBRE __ETHTOOL_LINK_MODE_LEGACY_MASK(FIBRE) 1459#define ADVERTISED_BNC __ETHTOOL_LINK_MODE_LEGACY_MASK(BNC) 1460#define ADVERTISED_10000baseT_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseT_Full) 1461#define ADVERTISED_Pause __ETHTOOL_LINK_MODE_LEGACY_MASK(Pause) 1462#define ADVERTISED_Asym_Pause __ETHTOOL_LINK_MODE_LEGACY_MASK(Asym_Pause) 1463#define ADVERTISED_2500baseX_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(2500baseX_Full) 1464#define ADVERTISED_Backplane __ETHTOOL_LINK_MODE_LEGACY_MASK(Backplane) 1465#define ADVERTISED_1000baseKX_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(1000baseKX_Full) 1466#define ADVERTISED_10000baseKX4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKX4_Full) 1467#define ADVERTISED_10000baseKR_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseKR_Full) 1468#define ADVERTISED_10000baseR_FEC __ETHTOOL_LINK_MODE_LEGACY_MASK(10000baseR_FEC) 1469#define ADVERTISED_20000baseMLD2_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseMLD2_Full) 1470#define ADVERTISED_20000baseKR2_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(20000baseKR2_Full) 1471#define ADVERTISED_40000baseKR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseKR4_Full) 1472#define ADVERTISED_40000baseCR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseCR4_Full) 1473#define ADVERTISED_40000baseSR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseSR4_Full) 1474#define ADVERTISED_40000baseLR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(40000baseLR4_Full) 1475#define ADVERTISED_56000baseKR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseKR4_Full) 1476#define ADVERTISED_56000baseCR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseCR4_Full) 1477#define ADVERTISED_56000baseSR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseSR4_Full) 1478#define ADVERTISED_56000baseLR4_Full __ETHTOOL_LINK_MODE_LEGACY_MASK(56000baseLR4_Full) 1479/* Please do not define any new ADVERTISED_* macro for bits > 31, see 1480 * notice above. 1481 */ 1482 1483/* The following are all involved in forcing a particular link 1484 * mode for the device for setting things. When getting the 1485 * devices settings, these indicate the current mode and whether 1486 * it was forced up into this mode or autonegotiated. 1487 */ 1488 1489/* The forced speed, in units of 1Mb. All values 0 to INT_MAX are legal. */ 1490#define SPEED_10 10 1491#define SPEED_100 100 1492#define SPEED_1000 1000 1493#define SPEED_2500 2500 1494#define SPEED_5000 5000 1495#define SPEED_10000 10000 1496#define SPEED_20000 20000 1497#define SPEED_25000 25000 1498#define SPEED_40000 40000 1499#define SPEED_50000 50000 1500#define SPEED_56000 56000 1501#define SPEED_100000 100000 1502 1503#define SPEED_UNKNOWN -1 1504 1505static inline int ethtool_validate_speed(__u32 speed) 1506{ 1507 return speed <= INT_MAX || speed == SPEED_UNKNOWN; 1508} 1509 1510/* Duplex, half or full. */ 1511#define DUPLEX_HALF 0x00 1512#define DUPLEX_FULL 0x01 1513#define DUPLEX_UNKNOWN 0xff 1514 1515static inline int ethtool_validate_duplex(__u8 duplex) 1516{ 1517 switch (duplex) { 1518 case DUPLEX_HALF: 1519 case DUPLEX_FULL: 1520 case DUPLEX_UNKNOWN: 1521 return 1; 1522 } 1523 1524 return 0; 1525} 1526 1527/* Which connector port. */ 1528#define PORT_TP 0x00 1529#define PORT_AUI 0x01 1530#define PORT_MII 0x02 1531#define PORT_FIBRE 0x03 1532#define PORT_BNC 0x04 1533#define PORT_DA 0x05 1534#define PORT_NONE 0xef 1535#define PORT_OTHER 0xff 1536 1537/* Which transceiver to use. */ 1538#define XCVR_INTERNAL 0x00 /* PHY and MAC are in the same package */ 1539#define XCVR_EXTERNAL 0x01 /* PHY and MAC are in different packages */ 1540#define XCVR_DUMMY1 0x02 1541#define XCVR_DUMMY2 0x03 1542#define XCVR_DUMMY3 0x04 1543 1544/* Enable or disable autonegotiation. */ 1545#define AUTONEG_DISABLE 0x00 1546#define AUTONEG_ENABLE 0x01 1547 1548/* MDI or MDI-X status/control - if MDI/MDI_X/AUTO is set then 1549 * the driver is required to renegotiate link 1550 */ 1551#define ETH_TP_MDI_INVALID 0x00 /* status: unknown; control: unsupported */ 1552#define ETH_TP_MDI 0x01 /* status: MDI; control: force MDI */ 1553#define ETH_TP_MDI_X 0x02 /* status: MDI-X; control: force MDI-X */ 1554#define ETH_TP_MDI_AUTO 0x03 /* control: auto-select */ 1555 1556/* Wake-On-Lan options. */ 1557#define WAKE_PHY (1 << 0) 1558#define WAKE_UCAST (1 << 1) 1559#define WAKE_MCAST (1 << 2) 1560#define WAKE_BCAST (1 << 3) 1561#define WAKE_ARP (1 << 4) 1562#define WAKE_MAGIC (1 << 5) 1563#define WAKE_MAGICSECURE (1 << 6) /* only meaningful if WAKE_MAGIC */ 1564 1565/* L2-L4 network traffic flow types */ 1566#define TCP_V4_FLOW 0x01 /* hash or spec (tcp_ip4_spec) */ 1567#define UDP_V4_FLOW 0x02 /* hash or spec (udp_ip4_spec) */ 1568#define SCTP_V4_FLOW 0x03 /* hash or spec (sctp_ip4_spec) */ 1569#define AH_ESP_V4_FLOW 0x04 /* hash only */ 1570#define TCP_V6_FLOW 0x05 /* hash or spec (tcp_ip6_spec; nfc only) */ 1571#define UDP_V6_FLOW 0x06 /* hash or spec (udp_ip6_spec; nfc only) */ 1572#define SCTP_V6_FLOW 0x07 /* hash or spec (sctp_ip6_spec; nfc only) */ 1573#define AH_ESP_V6_FLOW 0x08 /* hash only */ 1574#define AH_V4_FLOW 0x09 /* hash or spec (ah_ip4_spec) */ 1575#define ESP_V4_FLOW 0x0a /* hash or spec (esp_ip4_spec) */ 1576#define AH_V6_FLOW 0x0b /* hash or spec (ah_ip6_spec; nfc only) */ 1577#define ESP_V6_FLOW 0x0c /* hash or spec (esp_ip6_spec; nfc only) */ 1578#define IPV4_USER_FLOW 0x0d /* spec only (usr_ip4_spec) */ 1579#define IP_USER_FLOW IPV4_USER_FLOW 1580#define IPV6_USER_FLOW 0x0e /* spec only (usr_ip6_spec; nfc only) */ 1581#define IPV4_FLOW 0x10 /* hash only */ 1582#define IPV6_FLOW 0x11 /* hash only */ 1583#define ETHER_FLOW 0x12 /* spec only (ether_spec) */ 1584/* Flag to enable additional fields in struct ethtool_rx_flow_spec */ 1585#define FLOW_EXT 0x80000000 1586#define FLOW_MAC_EXT 0x40000000 1587 1588/* L3-L4 network traffic flow hash options */ 1589#define RXH_L2DA (1 << 1) 1590#define RXH_VLAN (1 << 2) 1591#define RXH_L3_PROTO (1 << 3) 1592#define RXH_IP_SRC (1 << 4) 1593#define RXH_IP_DST (1 << 5) 1594#define RXH_L4_B_0_1 (1 << 6) /* src port in case of TCP/UDP/SCTP */ 1595#define RXH_L4_B_2_3 (1 << 7) /* dst port in case of TCP/UDP/SCTP */ 1596#define RXH_DISCARD (1 << 31) 1597 1598#define RX_CLS_FLOW_DISC 0xffffffffffffffffULL 1599 1600/* Special RX classification rule insert location values */ 1601#define RX_CLS_LOC_SPECIAL 0x80000000 /* flag */ 1602#define RX_CLS_LOC_ANY 0xffffffff 1603#define RX_CLS_LOC_FIRST 0xfffffffe 1604#define RX_CLS_LOC_LAST 0xfffffffd 1605 1606/* EEPROM Standards for plug in modules */ 1607#define ETH_MODULE_SFF_8079 0x1 1608#define ETH_MODULE_SFF_8079_LEN 256 1609#define ETH_MODULE_SFF_8472 0x2 1610#define ETH_MODULE_SFF_8472_LEN 512 1611#define ETH_MODULE_SFF_8636 0x3 1612#define ETH_MODULE_SFF_8636_LEN 256 1613#define ETH_MODULE_SFF_8436 0x4 1614#define ETH_MODULE_SFF_8436_LEN 256 1615 1616/* Reset flags */ 1617/* The reset() operation must clear the flags for the components which 1618 * were actually reset. On successful return, the flags indicate the 1619 * components which were not reset, either because they do not exist 1620 * in the hardware or because they cannot be reset independently. The 1621 * driver must never reset any components that were not requested. 1622 */ 1623enum ethtool_reset_flags { 1624 /* These flags represent components dedicated to the interface 1625 * the command is addressed to. Shift any flag left by 1626 * ETH_RESET_SHARED_SHIFT to reset a shared component of the 1627 * same type. 1628 */ 1629 ETH_RESET_MGMT = 1 << 0, /* Management processor */ 1630 ETH_RESET_IRQ = 1 << 1, /* Interrupt requester */ 1631 ETH_RESET_DMA = 1 << 2, /* DMA engine */ 1632 ETH_RESET_FILTER = 1 << 3, /* Filtering/flow direction */ 1633 ETH_RESET_OFFLOAD = 1 << 4, /* Protocol offload */ 1634 ETH_RESET_MAC = 1 << 5, /* Media access controller */ 1635 ETH_RESET_PHY = 1 << 6, /* Transceiver/PHY */ 1636 ETH_RESET_RAM = 1 << 7, /* RAM shared between 1637 * multiple components */ 1638 1639 ETH_RESET_DEDICATED = 0x0000ffff, /* All components dedicated to 1640 * this interface */ 1641 ETH_RESET_ALL = 0xffffffff, /* All components used by this 1642 * interface, even if shared */ 1643}; 1644#define ETH_RESET_SHARED_SHIFT 16 1645 1646 1647/** 1648 * struct ethtool_link_settings - link control and status 1649 * 1650 * IMPORTANT, Backward compatibility notice: When implementing new 1651 * user-space tools, please first try %ETHTOOL_GLINKSETTINGS, and 1652 * if it succeeds use %ETHTOOL_SLINKSETTINGS to change link 1653 * settings; do not use %ETHTOOL_SSET if %ETHTOOL_GLINKSETTINGS 1654 * succeeded: stick to %ETHTOOL_GLINKSETTINGS/%SLINKSETTINGS in 1655 * that case. Conversely, if %ETHTOOL_GLINKSETTINGS fails, use 1656 * %ETHTOOL_GSET to query and %ETHTOOL_SSET to change link 1657 * settings; do not use %ETHTOOL_SLINKSETTINGS if 1658 * %ETHTOOL_GLINKSETTINGS failed: stick to 1659 * %ETHTOOL_GSET/%ETHTOOL_SSET in that case. 1660 * 1661 * @cmd: Command number = %ETHTOOL_GLINKSETTINGS or %ETHTOOL_SLINKSETTINGS 1662 * @speed: Link speed (Mbps) 1663 * @duplex: Duplex mode; one of %DUPLEX_* 1664 * @port: Physical connector type; one of %PORT_* 1665 * @phy_address: MDIO address of PHY (transceiver); 0 or 255 if not 1666 * applicable. For clause 45 PHYs this is the PRTAD. 1667 * @autoneg: Enable/disable autonegotiation and auto-detection; 1668 * either %AUTONEG_DISABLE or %AUTONEG_ENABLE 1669 * @mdio_support: Bitmask of %ETH_MDIO_SUPPORTS_* flags for the MDIO 1670 * protocols supported by the interface; 0 if unknown. 1671 * Read-only. 1672 * @eth_tp_mdix: Ethernet twisted-pair MDI(-X) status; one of 1673 * %ETH_TP_MDI_*. If the status is unknown or not applicable, the 1674 * value will be %ETH_TP_MDI_INVALID. Read-only. 1675 * @eth_tp_mdix_ctrl: Ethernet twisted pair MDI(-X) control; one of 1676 * %ETH_TP_MDI_*. If MDI(-X) control is not implemented, reads 1677 * yield %ETH_TP_MDI_INVALID and writes may be ignored or rejected. 1678 * When written successfully, the link should be renegotiated if 1679 * necessary. 1680 * @link_mode_masks_nwords: Number of 32-bit words for each of the 1681 * supported, advertising, lp_advertising link mode bitmaps. For 1682 * %ETHTOOL_GLINKSETTINGS: on entry, number of words passed by user 1683 * (>= 0); on return, if handshake in progress, negative if 1684 * request size unsupported by kernel: absolute value indicates 1685 * kernel expected size and all the other fields but cmd 1686 * are 0; otherwise (handshake completed), strictly positive 1687 * to indicate size used by kernel and cmd field stays 1688 * %ETHTOOL_GLINKSETTINGS, all other fields populated by driver. For 1689 * %ETHTOOL_SLINKSETTINGS: must be valid on entry, ie. a positive 1690 * value returned previously by %ETHTOOL_GLINKSETTINGS, otherwise 1691 * refused. For drivers: ignore this field (use kernel's 1692 * __ETHTOOL_LINK_MODE_MASK_NBITS instead), any change to it will 1693 * be overwritten by kernel. 1694 * @supported: Bitmap with each bit meaning given by 1695 * %ethtool_link_mode_bit_indices for the link modes, physical 1696 * connectors and other link features for which the interface 1697 * supports autonegotiation or auto-detection. Read-only. 1698 * @advertising: Bitmap with each bit meaning given by 1699 * %ethtool_link_mode_bit_indices for the link modes, physical 1700 * connectors and other link features that are advertised through 1701 * autonegotiation or enabled for auto-detection. 1702 * @lp_advertising: Bitmap with each bit meaning given by 1703 * %ethtool_link_mode_bit_indices for the link modes, and other 1704 * link features that the link partner advertised through 1705 * autonegotiation; 0 if unknown or not applicable. Read-only. 1706 * 1707 * If autonegotiation is disabled, the speed and @duplex represent the 1708 * fixed link mode and are writable if the driver supports multiple 1709 * link modes. If it is enabled then they are read-only; if the link 1710 * is up they represent the negotiated link mode; if the link is down, 1711 * the speed is 0, %SPEED_UNKNOWN or the highest enabled speed and 1712 * @duplex is %DUPLEX_UNKNOWN or the best enabled duplex mode. 1713 * 1714 * Some hardware interfaces may have multiple PHYs and/or physical 1715 * connectors fitted or do not allow the driver to detect which are 1716 * fitted. For these interfaces @port and/or @phy_address may be 1717 * writable, possibly dependent on @autoneg being %AUTONEG_DISABLE. 1718 * Otherwise, attempts to write different values may be ignored or 1719 * rejected. 1720 * 1721 * Deprecated %ethtool_cmd fields transceiver, maxtxpkt and maxrxpkt 1722 * are not available in %ethtool_link_settings. Until all drivers are 1723 * converted to ignore them or to the new %ethtool_link_settings API, 1724 * for both queries and changes, users should always try 1725 * %ETHTOOL_GLINKSETTINGS first, and if it fails with -ENOTSUPP stick 1726 * only to %ETHTOOL_GSET and %ETHTOOL_SSET consistently. If it 1727 * succeeds, then users should stick to %ETHTOOL_GLINKSETTINGS and 1728 * %ETHTOOL_SLINKSETTINGS (which would support drivers implementing 1729 * either %ethtool_cmd or %ethtool_link_settings). 1730 * 1731 * Users should assume that all fields not marked read-only are 1732 * writable and subject to validation by the driver. They should use 1733 * %ETHTOOL_GLINKSETTINGS to get the current values before making specific 1734 * changes and then applying them with %ETHTOOL_SLINKSETTINGS. 1735 * 1736 * Drivers that implement %get_link_ksettings and/or 1737 * %set_link_ksettings should ignore the @cmd 1738 * and @link_mode_masks_nwords fields (any change to them overwritten 1739 * by kernel), and rely only on kernel's internal 1740 * %__ETHTOOL_LINK_MODE_MASK_NBITS and 1741 * %ethtool_link_mode_mask_t. Drivers that implement 1742 * %set_link_ksettings() should validate all fields other than @cmd 1743 * and @link_mode_masks_nwords that are not described as read-only or 1744 * deprecated, and must ignore all fields described as read-only. 1745 */ 1746struct ethtool_link_settings { 1747 __u32 cmd; 1748 __u32 speed; 1749 __u8 duplex; 1750 __u8 port; 1751 __u8 phy_address; 1752 __u8 autoneg; 1753 __u8 mdio_support; 1754 __u8 eth_tp_mdix; 1755 __u8 eth_tp_mdix_ctrl; 1756 __s8 link_mode_masks_nwords; 1757 __u32 reserved[8]; 1758 __u32 link_mode_masks[0]; 1759 /* layout of link_mode_masks fields: 1760 * __u32 map_supported[link_mode_masks_nwords]; 1761 * __u32 map_advertising[link_mode_masks_nwords]; 1762 * __u32 map_lp_advertising[link_mode_masks_nwords]; 1763 */ 1764}; 1765#endif /* _UAPI_LINUX_ETHTOOL_H */ 1766