1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * ethtool.h: Defines for Linux ethtool. 4 * 5 * Copyright (C) 1998 David S. Miller (davem@redhat.com) 6 * Copyright 2001 Jeff Garzik <jgarzik@pobox.com> 7 * Portions Copyright 2001 Sun Microsystems (thockin@sun.com) 8 * Portions Copyright 2002 Intel (eli.kupermann@intel.com, 9 * christopher.leech@intel.com, 10 * scott.feldman@intel.com) 11 * Portions Copyright (C) Sun Microsystems 2008 12 */ 13 #ifndef _LINUX_ETHTOOL_H 14 #define _LINUX_ETHTOOL_H 15 16 #include <linux/bitmap.h> 17 #include <linux/compat.h> 18 #include <uapi/linux/ethtool.h> 19 20 #ifdef CONFIG_COMPAT 21 22 struct compat_ethtool_rx_flow_spec { 23 u32 flow_type; 24 union ethtool_flow_union h_u; 25 struct ethtool_flow_ext h_ext; 26 union ethtool_flow_union m_u; 27 struct ethtool_flow_ext m_ext; 28 compat_u64 ring_cookie; 29 u32 location; 30 }; 31 32 struct compat_ethtool_rxnfc { 33 u32 cmd; 34 u32 flow_type; 35 compat_u64 data; 36 struct compat_ethtool_rx_flow_spec fs; 37 u32 rule_cnt; 38 u32 rule_locs[]; 39 }; 40 41 #endif /* CONFIG_COMPAT */ 42 43 #include <linux/rculist.h> 44 45 /** 46 * enum ethtool_phys_id_state - indicator state for physical identification 47 * @ETHTOOL_ID_INACTIVE: Physical ID indicator should be deactivated 48 * @ETHTOOL_ID_ACTIVE: Physical ID indicator should be activated 49 * @ETHTOOL_ID_ON: LED should be turned on (used iff %ETHTOOL_ID_ACTIVE 50 * is not supported) 51 * @ETHTOOL_ID_OFF: LED should be turned off (used iff %ETHTOOL_ID_ACTIVE 52 * is not supported) 53 */ 54 enum ethtool_phys_id_state { 55 ETHTOOL_ID_INACTIVE, 56 ETHTOOL_ID_ACTIVE, 57 ETHTOOL_ID_ON, 58 ETHTOOL_ID_OFF 59 }; 60 61 enum { 62 ETH_RSS_HASH_TOP_BIT, /* Configurable RSS hash function - Toeplitz */ 63 ETH_RSS_HASH_XOR_BIT, /* Configurable RSS hash function - Xor */ 64 ETH_RSS_HASH_CRC32_BIT, /* Configurable RSS hash function - Crc32 */ 65 66 /* 67 * Add your fresh new hash function bits above and remember to update 68 * rss_hash_func_strings[] in ethtool.c 69 */ 70 ETH_RSS_HASH_FUNCS_COUNT 71 }; 72 73 #define __ETH_RSS_HASH_BIT(bit) ((u32)1 << (bit)) 74 #define __ETH_RSS_HASH(name) __ETH_RSS_HASH_BIT(ETH_RSS_HASH_##name##_BIT) 75 76 #define ETH_RSS_HASH_TOP __ETH_RSS_HASH(TOP) 77 #define ETH_RSS_HASH_XOR __ETH_RSS_HASH(XOR) 78 #define ETH_RSS_HASH_CRC32 __ETH_RSS_HASH(CRC32) 79 80 #define ETH_RSS_HASH_UNKNOWN 0 81 #define ETH_RSS_HASH_NO_CHANGE 0 82 83 struct net_device; 84 85 /* Some generic methods drivers may use in their ethtool_ops */ 86 u32 ethtool_op_get_link(struct net_device *dev); 87 int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *eti); 88 89 90 /** 91 * struct ethtool_link_ext_state_info - link extended state and substate. 92 */ 93 struct ethtool_link_ext_state_info { 94 enum ethtool_link_ext_state link_ext_state; 95 union { 96 enum ethtool_link_ext_substate_autoneg autoneg; 97 enum ethtool_link_ext_substate_link_training link_training; 98 enum ethtool_link_ext_substate_link_logical_mismatch link_logical_mismatch; 99 enum ethtool_link_ext_substate_bad_signal_integrity bad_signal_integrity; 100 enum ethtool_link_ext_substate_cable_issue cable_issue; 101 u8 __link_ext_substate; 102 }; 103 }; 104 105 /** 106 * ethtool_rxfh_indir_default - get default value for RX flow hash indirection 107 * @index: Index in RX flow hash indirection table 108 * @n_rx_rings: Number of RX rings to use 109 * 110 * This function provides the default policy for RX flow hash indirection. 111 */ 112 static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings) 113 { 114 return index % n_rx_rings; 115 } 116 117 /* declare a link mode bitmap */ 118 #define __ETHTOOL_DECLARE_LINK_MODE_MASK(name) \ 119 DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS) 120 121 /* drivers must ignore base.cmd and base.link_mode_masks_nwords 122 * fields, but they are allowed to overwrite them (will be ignored). 123 */ 124 struct ethtool_link_ksettings { 125 struct ethtool_link_settings base; 126 struct { 127 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); 128 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); 129 __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); 130 } link_modes; 131 }; 132 133 /** 134 * ethtool_link_ksettings_zero_link_mode - clear link_ksettings link mode mask 135 * @ptr : pointer to struct ethtool_link_ksettings 136 * @name : one of supported/advertising/lp_advertising 137 */ 138 #define ethtool_link_ksettings_zero_link_mode(ptr, name) \ 139 bitmap_zero((ptr)->link_modes.name, __ETHTOOL_LINK_MODE_MASK_NBITS) 140 141 /** 142 * ethtool_link_ksettings_add_link_mode - set bit in link_ksettings 143 * link mode mask 144 * @ptr : pointer to struct ethtool_link_ksettings 145 * @name : one of supported/advertising/lp_advertising 146 * @mode : one of the ETHTOOL_LINK_MODE_*_BIT 147 * (not atomic, no bound checking) 148 */ 149 #define ethtool_link_ksettings_add_link_mode(ptr, name, mode) \ 150 __set_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name) 151 152 /** 153 * ethtool_link_ksettings_del_link_mode - clear bit in link_ksettings 154 * link mode mask 155 * @ptr : pointer to struct ethtool_link_ksettings 156 * @name : one of supported/advertising/lp_advertising 157 * @mode : one of the ETHTOOL_LINK_MODE_*_BIT 158 * (not atomic, no bound checking) 159 */ 160 #define ethtool_link_ksettings_del_link_mode(ptr, name, mode) \ 161 __clear_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name) 162 163 /** 164 * ethtool_link_ksettings_test_link_mode - test bit in ksettings link mode mask 165 * @ptr : pointer to struct ethtool_link_ksettings 166 * @name : one of supported/advertising/lp_advertising 167 * @mode : one of the ETHTOOL_LINK_MODE_*_BIT 168 * (not atomic, no bound checking) 169 * 170 * Returns true/false. 171 */ 172 #define ethtool_link_ksettings_test_link_mode(ptr, name, mode) \ 173 test_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name) 174 175 extern int 176 __ethtool_get_link_ksettings(struct net_device *dev, 177 struct ethtool_link_ksettings *link_ksettings); 178 179 /** 180 * ethtool_intersect_link_masks - Given two link masks, AND them together 181 * @dst: first mask and where result is stored 182 * @src: second mask to intersect with 183 * 184 * Given two link mode masks, AND them together and save the result in dst. 185 */ 186 void ethtool_intersect_link_masks(struct ethtool_link_ksettings *dst, 187 struct ethtool_link_ksettings *src); 188 189 void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst, 190 u32 legacy_u32); 191 192 /* return false if src had higher bits set. lower bits always updated. */ 193 bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, 194 const unsigned long *src); 195 196 #define ETHTOOL_COALESCE_RX_USECS BIT(0) 197 #define ETHTOOL_COALESCE_RX_MAX_FRAMES BIT(1) 198 #define ETHTOOL_COALESCE_RX_USECS_IRQ BIT(2) 199 #define ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ BIT(3) 200 #define ETHTOOL_COALESCE_TX_USECS BIT(4) 201 #define ETHTOOL_COALESCE_TX_MAX_FRAMES BIT(5) 202 #define ETHTOOL_COALESCE_TX_USECS_IRQ BIT(6) 203 #define ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ BIT(7) 204 #define ETHTOOL_COALESCE_STATS_BLOCK_USECS BIT(8) 205 #define ETHTOOL_COALESCE_USE_ADAPTIVE_RX BIT(9) 206 #define ETHTOOL_COALESCE_USE_ADAPTIVE_TX BIT(10) 207 #define ETHTOOL_COALESCE_PKT_RATE_LOW BIT(11) 208 #define ETHTOOL_COALESCE_RX_USECS_LOW BIT(12) 209 #define ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW BIT(13) 210 #define ETHTOOL_COALESCE_TX_USECS_LOW BIT(14) 211 #define ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW BIT(15) 212 #define ETHTOOL_COALESCE_PKT_RATE_HIGH BIT(16) 213 #define ETHTOOL_COALESCE_RX_USECS_HIGH BIT(17) 214 #define ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH BIT(18) 215 #define ETHTOOL_COALESCE_TX_USECS_HIGH BIT(19) 216 #define ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH BIT(20) 217 #define ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL BIT(21) 218 #define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(21, 0) 219 220 #define ETHTOOL_COALESCE_USECS \ 221 (ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_TX_USECS) 222 #define ETHTOOL_COALESCE_MAX_FRAMES \ 223 (ETHTOOL_COALESCE_RX_MAX_FRAMES | ETHTOOL_COALESCE_TX_MAX_FRAMES) 224 #define ETHTOOL_COALESCE_USECS_IRQ \ 225 (ETHTOOL_COALESCE_RX_USECS_IRQ | ETHTOOL_COALESCE_TX_USECS_IRQ) 226 #define ETHTOOL_COALESCE_MAX_FRAMES_IRQ \ 227 (ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ | \ 228 ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ) 229 #define ETHTOOL_COALESCE_USE_ADAPTIVE \ 230 (ETHTOOL_COALESCE_USE_ADAPTIVE_RX | ETHTOOL_COALESCE_USE_ADAPTIVE_TX) 231 #define ETHTOOL_COALESCE_USECS_LOW_HIGH \ 232 (ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_TX_USECS_LOW | \ 233 ETHTOOL_COALESCE_RX_USECS_HIGH | ETHTOOL_COALESCE_TX_USECS_HIGH) 234 #define ETHTOOL_COALESCE_MAX_FRAMES_LOW_HIGH \ 235 (ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW | \ 236 ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW | \ 237 ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH | \ 238 ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH) 239 #define ETHTOOL_COALESCE_PKT_RATE_RX_USECS \ 240 (ETHTOOL_COALESCE_USE_ADAPTIVE_RX | \ 241 ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_RX_USECS_HIGH | \ 242 ETHTOOL_COALESCE_PKT_RATE_LOW | ETHTOOL_COALESCE_PKT_RATE_HIGH | \ 243 ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL) 244 245 #define ETHTOOL_STAT_NOT_SET (~0ULL) 246 247 /** 248 * struct ethtool_pause_stats - statistics for IEEE 802.3x pause frames 249 * @tx_pause_frames: transmitted pause frame count. Reported to user space 250 * as %ETHTOOL_A_PAUSE_STAT_TX_FRAMES. 251 * 252 * Equivalent to `30.3.4.2 aPAUSEMACCtrlFramesTransmitted` 253 * from the standard. 254 * 255 * @rx_pause_frames: received pause frame count. Reported to user space 256 * as %ETHTOOL_A_PAUSE_STAT_RX_FRAMES. Equivalent to: 257 * 258 * Equivalent to `30.3.4.3 aPAUSEMACCtrlFramesReceived` 259 * from the standard. 260 */ 261 struct ethtool_pause_stats { 262 u64 tx_pause_frames; 263 u64 rx_pause_frames; 264 }; 265 266 /** 267 * struct ethtool_ops - optional netdev operations 268 * @supported_coalesce_params: supported types of interrupt coalescing. 269 * @get_drvinfo: Report driver/device information. Should only set the 270 * @driver, @version, @fw_version and @bus_info fields. If not 271 * implemented, the @driver and @bus_info fields will be filled in 272 * according to the netdev's parent device. 273 * @get_regs_len: Get buffer length required for @get_regs 274 * @get_regs: Get device registers 275 * @get_wol: Report whether Wake-on-Lan is enabled 276 * @set_wol: Turn Wake-on-Lan on or off. Returns a negative error code 277 * or zero. 278 * @get_msglevel: Report driver message level. This should be the value 279 * of the @msg_enable field used by netif logging functions. 280 * @set_msglevel: Set driver message level 281 * @nway_reset: Restart autonegotiation. Returns a negative error code 282 * or zero. 283 * @get_link: Report whether physical link is up. Will only be called if 284 * the netdev is up. Should usually be set to ethtool_op_get_link(), 285 * which uses netif_carrier_ok(). 286 * @get_link_ext_state: Report link extended state. Should set link_ext_state and 287 * link_ext_substate (link_ext_substate of 0 means link_ext_substate is unknown, 288 * do not attach ext_substate attribute to netlink message). If link_ext_state 289 * and link_ext_substate are unknown, return -ENODATA. If not implemented, 290 * link_ext_state and link_ext_substate will not be sent to userspace. 291 * @get_eeprom: Read data from the device EEPROM. 292 * Should fill in the magic field. Don't need to check len for zero 293 * or wraparound. Fill in the data argument with the eeprom values 294 * from offset to offset + len. Update len to the amount read. 295 * Returns an error or zero. 296 * @set_eeprom: Write data to the device EEPROM. 297 * Should validate the magic field. Don't need to check len for zero 298 * or wraparound. Update len to the amount written. Returns an error 299 * or zero. 300 * @get_coalesce: Get interrupt coalescing parameters. Returns a negative 301 * error code or zero. 302 * @set_coalesce: Set interrupt coalescing parameters. Supported coalescing 303 * types should be set in @supported_coalesce_params. 304 * Returns a negative error code or zero. 305 * @get_ringparam: Report ring sizes 306 * @set_ringparam: Set ring sizes. Returns a negative error code or zero. 307 * @get_pause_stats: Report pause frame statistics. Drivers must not zero 308 * statistics which they don't report. The stats structure is initialized 309 * to ETHTOOL_STAT_NOT_SET indicating driver does not report statistics. 310 * @get_pauseparam: Report pause parameters 311 * @set_pauseparam: Set pause parameters. Returns a negative error code 312 * or zero. 313 * @self_test: Run specified self-tests 314 * @get_strings: Return a set of strings that describe the requested objects 315 * @set_phys_id: Identify the physical devices, e.g. by flashing an LED 316 * attached to it. The implementation may update the indicator 317 * asynchronously or synchronously, but in either case it must return 318 * quickly. It is initially called with the argument %ETHTOOL_ID_ACTIVE, 319 * and must either activate asynchronous updates and return zero, return 320 * a negative error or return a positive frequency for synchronous 321 * indication (e.g. 1 for one on/off cycle per second). If it returns 322 * a frequency then it will be called again at intervals with the 323 * argument %ETHTOOL_ID_ON or %ETHTOOL_ID_OFF and should set the state of 324 * the indicator accordingly. Finally, it is called with the argument 325 * %ETHTOOL_ID_INACTIVE and must deactivate the indicator. Returns a 326 * negative error code or zero. 327 * @get_ethtool_stats: Return extended statistics about the device. 328 * This is only useful if the device maintains statistics not 329 * included in &struct rtnl_link_stats64. 330 * @begin: Function to be called before any other operation. Returns a 331 * negative error code or zero. 332 * @complete: Function to be called after any other operation except 333 * @begin. Will be called even if the other operation failed. 334 * @get_priv_flags: Report driver-specific feature flags. 335 * @set_priv_flags: Set driver-specific feature flags. Returns a negative 336 * error code or zero. 337 * @get_sset_count: Get number of strings that @get_strings will write. 338 * @get_rxnfc: Get RX flow classification rules. Returns a negative 339 * error code or zero. 340 * @set_rxnfc: Set RX flow classification rules. Returns a negative 341 * error code or zero. 342 * @flash_device: Write a firmware image to device's flash memory. 343 * Returns a negative error code or zero. 344 * @reset: Reset (part of) the device, as specified by a bitmask of 345 * flags from &enum ethtool_reset_flags. Returns a negative 346 * error code or zero. 347 * @get_rxfh_key_size: Get the size of the RX flow hash key. 348 * Returns zero if not supported for this specific device. 349 * @get_rxfh_indir_size: Get the size of the RX flow hash indirection table. 350 * Returns zero if not supported for this specific device. 351 * @get_rxfh: Get the contents of the RX flow hash indirection table, hash key 352 * and/or hash function. 353 * Returns a negative error code or zero. 354 * @set_rxfh: Set the contents of the RX flow hash indirection table, hash 355 * key, and/or hash function. Arguments which are set to %NULL or zero 356 * will remain unchanged. 357 * Returns a negative error code or zero. An error code must be returned 358 * if at least one unsupported change was requested. 359 * @get_rxfh_context: Get the contents of the RX flow hash indirection table, 360 * hash key, and/or hash function assiciated to the given rss context. 361 * Returns a negative error code or zero. 362 * @set_rxfh_context: Create, remove and configure RSS contexts. Allows setting 363 * the contents of the RX flow hash indirection table, hash key, and/or 364 * hash function associated to the given context. Arguments which are set 365 * to %NULL or zero will remain unchanged. 366 * Returns a negative error code or zero. An error code must be returned 367 * if at least one unsupported change was requested. 368 * @get_channels: Get number of channels. 369 * @set_channels: Set number of channels. Returns a negative error code or 370 * zero. 371 * @get_dump_flag: Get dump flag indicating current dump length, version, 372 * and flag of the device. 373 * @get_dump_data: Get dump data. 374 * @set_dump: Set dump specific flags to the device. 375 * @get_ts_info: Get the time stamping and PTP hardware clock capabilities. 376 * Drivers supporting transmit time stamps in software should set this to 377 * ethtool_op_get_ts_info(). 378 * @get_module_info: Get the size and type of the eeprom contained within 379 * a plug-in module. 380 * @get_module_eeprom: Get the eeprom information from the plug-in module 381 * @get_eee: Get Energy-Efficient (EEE) supported and status. 382 * @set_eee: Set EEE status (enable/disable) as well as LPI timers. 383 * @get_per_queue_coalesce: Get interrupt coalescing parameters per queue. 384 * It must check that the given queue number is valid. If neither a RX nor 385 * a TX queue has this number, return -EINVAL. If only a RX queue or a TX 386 * queue has this number, set the inapplicable fields to ~0 and return 0. 387 * Returns a negative error code or zero. 388 * @set_per_queue_coalesce: Set interrupt coalescing parameters per queue. 389 * It must check that the given queue number is valid. If neither a RX nor 390 * a TX queue has this number, return -EINVAL. If only a RX queue or a TX 391 * queue has this number, ignore the inapplicable fields. Supported 392 * coalescing types should be set in @supported_coalesce_params. 393 * Returns a negative error code or zero. 394 * @get_link_ksettings: Get various device settings including Ethernet link 395 * settings. The %cmd and %link_mode_masks_nwords fields should be 396 * ignored (use %__ETHTOOL_LINK_MODE_MASK_NBITS instead of the latter), 397 * any change to them will be overwritten by kernel. Returns a negative 398 * error code or zero. 399 * @set_link_ksettings: Set various device settings including Ethernet link 400 * settings. The %cmd and %link_mode_masks_nwords fields should be 401 * ignored (use %__ETHTOOL_LINK_MODE_MASK_NBITS instead of the latter), 402 * any change to them will be overwritten by kernel. Returns a negative 403 * error code or zero. 404 * @get_fecparam: Get the network device Forward Error Correction parameters. 405 * @set_fecparam: Set the network device Forward Error Correction parameters. 406 * @get_ethtool_phy_stats: Return extended statistics about the PHY device. 407 * This is only useful if the device maintains PHY statistics and 408 * cannot use the standard PHY library helpers. 409 * 410 * All operations are optional (i.e. the function pointer may be set 411 * to %NULL) and callers must take this into account. Callers must 412 * hold the RTNL lock. 413 * 414 * See the structures used by these operations for further documentation. 415 * Note that for all operations using a structure ending with a zero- 416 * length array, the array is allocated separately in the kernel and 417 * is passed to the driver as an additional parameter. 418 * 419 * See &struct net_device and &struct net_device_ops for documentation 420 * of the generic netdev features interface. 421 */ 422 struct ethtool_ops { 423 u32 supported_coalesce_params; 424 void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *); 425 int (*get_regs_len)(struct net_device *); 426 void (*get_regs)(struct net_device *, struct ethtool_regs *, void *); 427 void (*get_wol)(struct net_device *, struct ethtool_wolinfo *); 428 int (*set_wol)(struct net_device *, struct ethtool_wolinfo *); 429 u32 (*get_msglevel)(struct net_device *); 430 void (*set_msglevel)(struct net_device *, u32); 431 int (*nway_reset)(struct net_device *); 432 u32 (*get_link)(struct net_device *); 433 int (*get_link_ext_state)(struct net_device *, 434 struct ethtool_link_ext_state_info *); 435 int (*get_eeprom_len)(struct net_device *); 436 int (*get_eeprom)(struct net_device *, 437 struct ethtool_eeprom *, u8 *); 438 int (*set_eeprom)(struct net_device *, 439 struct ethtool_eeprom *, u8 *); 440 int (*get_coalesce)(struct net_device *, struct ethtool_coalesce *); 441 int (*set_coalesce)(struct net_device *, struct ethtool_coalesce *); 442 void (*get_ringparam)(struct net_device *, 443 struct ethtool_ringparam *); 444 int (*set_ringparam)(struct net_device *, 445 struct ethtool_ringparam *); 446 void (*get_pause_stats)(struct net_device *dev, 447 struct ethtool_pause_stats *pause_stats); 448 void (*get_pauseparam)(struct net_device *, 449 struct ethtool_pauseparam*); 450 int (*set_pauseparam)(struct net_device *, 451 struct ethtool_pauseparam*); 452 void (*self_test)(struct net_device *, struct ethtool_test *, u64 *); 453 void (*get_strings)(struct net_device *, u32 stringset, u8 *); 454 int (*set_phys_id)(struct net_device *, enum ethtool_phys_id_state); 455 void (*get_ethtool_stats)(struct net_device *, 456 struct ethtool_stats *, u64 *); 457 int (*begin)(struct net_device *); 458 void (*complete)(struct net_device *); 459 u32 (*get_priv_flags)(struct net_device *); 460 int (*set_priv_flags)(struct net_device *, u32); 461 int (*get_sset_count)(struct net_device *, int); 462 int (*get_rxnfc)(struct net_device *, 463 struct ethtool_rxnfc *, u32 *rule_locs); 464 int (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *); 465 int (*flash_device)(struct net_device *, struct ethtool_flash *); 466 int (*reset)(struct net_device *, u32 *); 467 u32 (*get_rxfh_key_size)(struct net_device *); 468 u32 (*get_rxfh_indir_size)(struct net_device *); 469 int (*get_rxfh)(struct net_device *, u32 *indir, u8 *key, 470 u8 *hfunc); 471 int (*set_rxfh)(struct net_device *, const u32 *indir, 472 const u8 *key, const u8 hfunc); 473 int (*get_rxfh_context)(struct net_device *, u32 *indir, u8 *key, 474 u8 *hfunc, u32 rss_context); 475 int (*set_rxfh_context)(struct net_device *, const u32 *indir, 476 const u8 *key, const u8 hfunc, 477 u32 *rss_context, bool delete); 478 void (*get_channels)(struct net_device *, struct ethtool_channels *); 479 int (*set_channels)(struct net_device *, struct ethtool_channels *); 480 int (*get_dump_flag)(struct net_device *, struct ethtool_dump *); 481 int (*get_dump_data)(struct net_device *, 482 struct ethtool_dump *, void *); 483 int (*set_dump)(struct net_device *, struct ethtool_dump *); 484 int (*get_ts_info)(struct net_device *, struct ethtool_ts_info *); 485 int (*get_module_info)(struct net_device *, 486 struct ethtool_modinfo *); 487 int (*get_module_eeprom)(struct net_device *, 488 struct ethtool_eeprom *, u8 *); 489 int (*get_eee)(struct net_device *, struct ethtool_eee *); 490 int (*set_eee)(struct net_device *, struct ethtool_eee *); 491 int (*get_tunable)(struct net_device *, 492 const struct ethtool_tunable *, void *); 493 int (*set_tunable)(struct net_device *, 494 const struct ethtool_tunable *, const void *); 495 int (*get_per_queue_coalesce)(struct net_device *, u32, 496 struct ethtool_coalesce *); 497 int (*set_per_queue_coalesce)(struct net_device *, u32, 498 struct ethtool_coalesce *); 499 int (*get_link_ksettings)(struct net_device *, 500 struct ethtool_link_ksettings *); 501 int (*set_link_ksettings)(struct net_device *, 502 const struct ethtool_link_ksettings *); 503 int (*get_fecparam)(struct net_device *, 504 struct ethtool_fecparam *); 505 int (*set_fecparam)(struct net_device *, 506 struct ethtool_fecparam *); 507 void (*get_ethtool_phy_stats)(struct net_device *, 508 struct ethtool_stats *, u64 *); 509 int (*get_phy_tunable)(struct net_device *, 510 const struct ethtool_tunable *, void *); 511 int (*set_phy_tunable)(struct net_device *, 512 const struct ethtool_tunable *, const void *); 513 }; 514 515 int ethtool_check_ops(const struct ethtool_ops *ops); 516 517 struct ethtool_rx_flow_rule { 518 struct flow_rule *rule; 519 unsigned long priv[]; 520 }; 521 522 struct ethtool_rx_flow_spec_input { 523 const struct ethtool_rx_flow_spec *fs; 524 u32 rss_ctx; 525 }; 526 527 struct ethtool_rx_flow_rule * 528 ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input); 529 void ethtool_rx_flow_rule_destroy(struct ethtool_rx_flow_rule *rule); 530 531 bool ethtool_virtdev_validate_cmd(const struct ethtool_link_ksettings *cmd); 532 int ethtool_virtdev_set_link_ksettings(struct net_device *dev, 533 const struct ethtool_link_ksettings *cmd, 534 u32 *dev_speed, u8 *dev_duplex); 535 536 struct netlink_ext_ack; 537 struct phy_device; 538 struct phy_tdr_config; 539 540 /** 541 * struct ethtool_phy_ops - Optional PHY device options 542 * @get_sset_count: Get number of strings that @get_strings will write. 543 * @get_strings: Return a set of strings that describe the requested objects 544 * @get_stats: Return extended statistics about the PHY device. 545 * @start_cable_test - Start a cable test 546 * @start_cable_test_tdr - Start a Time Domain Reflectometry cable test 547 * 548 * All operations are optional (i.e. the function pointer may be set to %NULL) 549 * and callers must take this into account. Callers must hold the RTNL lock. 550 */ 551 struct ethtool_phy_ops { 552 int (*get_sset_count)(struct phy_device *dev); 553 int (*get_strings)(struct phy_device *dev, u8 *data); 554 int (*get_stats)(struct phy_device *dev, 555 struct ethtool_stats *stats, u64 *data); 556 int (*start_cable_test)(struct phy_device *phydev, 557 struct netlink_ext_ack *extack); 558 int (*start_cable_test_tdr)(struct phy_device *phydev, 559 struct netlink_ext_ack *extack, 560 const struct phy_tdr_config *config); 561 }; 562 563 /** 564 * ethtool_set_ethtool_phy_ops - Set the ethtool_phy_ops singleton 565 * @ops: Ethtool PHY operations to set 566 */ 567 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops); 568 569 #endif /* _LINUX_ETHTOOL_H */ 570