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 <linux/if_ether.h> 19 #include <linux/netlink.h> 20 #include <linux/timer_types.h> 21 #include <uapi/linux/ethtool.h> 22 #include <uapi/linux/ethtool_netlink_generated.h> 23 #include <uapi/linux/net_tstamp.h> 24 25 #define ETHTOOL_MM_MAX_VERIFY_TIME_MS 128 26 #define ETHTOOL_MM_MAX_VERIFY_RETRIES 3 27 28 struct compat_ethtool_rx_flow_spec { 29 u32 flow_type; 30 union ethtool_flow_union h_u; 31 struct ethtool_flow_ext h_ext; 32 union ethtool_flow_union m_u; 33 struct ethtool_flow_ext m_ext; 34 compat_u64 ring_cookie; 35 u32 location; 36 }; 37 38 struct compat_ethtool_rxnfc { 39 u32 cmd; 40 u32 flow_type; 41 compat_u64 data; 42 struct compat_ethtool_rx_flow_spec fs; 43 u32 rule_cnt; 44 u32 rule_locs[]; 45 }; 46 47 #include <linux/rculist.h> 48 49 /** 50 * enum ethtool_phys_id_state - indicator state for physical identification 51 * @ETHTOOL_ID_INACTIVE: Physical ID indicator should be deactivated 52 * @ETHTOOL_ID_ACTIVE: Physical ID indicator should be activated 53 * @ETHTOOL_ID_ON: LED should be turned on (used iff %ETHTOOL_ID_ACTIVE 54 * is not supported) 55 * @ETHTOOL_ID_OFF: LED should be turned off (used iff %ETHTOOL_ID_ACTIVE 56 * is not supported) 57 */ 58 enum ethtool_phys_id_state { 59 ETHTOOL_ID_INACTIVE, 60 ETHTOOL_ID_ACTIVE, 61 ETHTOOL_ID_ON, 62 ETHTOOL_ID_OFF 63 }; 64 65 enum { 66 ETH_RSS_HASH_TOP_BIT, /* Configurable RSS hash function - Toeplitz */ 67 ETH_RSS_HASH_XOR_BIT, /* Configurable RSS hash function - Xor */ 68 ETH_RSS_HASH_CRC32_BIT, /* Configurable RSS hash function - Crc32 */ 69 70 /* 71 * Add your fresh new hash function bits above and remember to update 72 * rss_hash_func_strings[] in ethtool.c 73 */ 74 ETH_RSS_HASH_FUNCS_COUNT 75 }; 76 77 /** 78 * struct kernel_ethtool_ringparam - RX/TX ring configuration 79 * @rx_buf_len: Current length of buffers on the rx ring. 80 * @tcp_data_split: Scatter packet headers and data to separate buffers 81 * @tx_push: The flag of tx push mode 82 * @rx_push: The flag of rx push mode 83 * @cqe_size: Size of TX/RX completion queue event 84 * @tx_push_buf_len: Size of TX push buffer 85 * @tx_push_buf_max_len: Maximum allowed size of TX push buffer 86 * @hds_thresh: Packet size threshold for header data split (HDS) 87 * @hds_thresh_max: Maximum supported setting for @hds_threshold 88 * 89 */ 90 struct kernel_ethtool_ringparam { 91 u32 rx_buf_len; 92 u8 tcp_data_split; 93 u8 tx_push; 94 u8 rx_push; 95 u32 cqe_size; 96 u32 tx_push_buf_len; 97 u32 tx_push_buf_max_len; 98 u32 hds_thresh; 99 u32 hds_thresh_max; 100 }; 101 102 /** 103 * enum ethtool_supported_ring_param - indicator caps for setting ring params 104 * @ETHTOOL_RING_USE_RX_BUF_LEN: capture for setting rx_buf_len 105 * @ETHTOOL_RING_USE_CQE_SIZE: capture for setting cqe_size 106 * @ETHTOOL_RING_USE_TX_PUSH: capture for setting tx_push 107 * @ETHTOOL_RING_USE_RX_PUSH: capture for setting rx_push 108 * @ETHTOOL_RING_USE_TX_PUSH_BUF_LEN: capture for setting tx_push_buf_len 109 * @ETHTOOL_RING_USE_TCP_DATA_SPLIT: capture for setting tcp_data_split 110 * @ETHTOOL_RING_USE_HDS_THRS: capture for setting header-data-split-thresh 111 */ 112 enum ethtool_supported_ring_param { 113 ETHTOOL_RING_USE_RX_BUF_LEN = BIT(0), 114 ETHTOOL_RING_USE_CQE_SIZE = BIT(1), 115 ETHTOOL_RING_USE_TX_PUSH = BIT(2), 116 ETHTOOL_RING_USE_RX_PUSH = BIT(3), 117 ETHTOOL_RING_USE_TX_PUSH_BUF_LEN = BIT(4), 118 ETHTOOL_RING_USE_TCP_DATA_SPLIT = BIT(5), 119 ETHTOOL_RING_USE_HDS_THRS = BIT(6), 120 }; 121 122 #define __ETH_RSS_HASH_BIT(bit) ((u32)1 << (bit)) 123 #define __ETH_RSS_HASH(name) __ETH_RSS_HASH_BIT(ETH_RSS_HASH_##name##_BIT) 124 125 #define ETH_RSS_HASH_TOP __ETH_RSS_HASH(TOP) 126 #define ETH_RSS_HASH_XOR __ETH_RSS_HASH(XOR) 127 #define ETH_RSS_HASH_CRC32 __ETH_RSS_HASH(CRC32) 128 129 #define ETH_RSS_HASH_UNKNOWN 0 130 #define ETH_RSS_HASH_NO_CHANGE 0 131 132 struct net_device; 133 struct netlink_ext_ack; 134 135 /* Link extended state and substate. */ 136 struct ethtool_link_ext_state_info { 137 enum ethtool_link_ext_state link_ext_state; 138 union { 139 enum ethtool_link_ext_substate_autoneg autoneg; 140 enum ethtool_link_ext_substate_link_training link_training; 141 enum ethtool_link_ext_substate_link_logical_mismatch link_logical_mismatch; 142 enum ethtool_link_ext_substate_bad_signal_integrity bad_signal_integrity; 143 enum ethtool_link_ext_substate_cable_issue cable_issue; 144 enum ethtool_link_ext_substate_module module; 145 u32 __link_ext_substate; 146 }; 147 }; 148 149 struct ethtool_link_ext_stats { 150 /* Custom Linux statistic for PHY level link down events. 151 * In a simpler world it should be equal to netdev->carrier_down_count 152 * unfortunately netdev also counts local reconfigurations which don't 153 * actually take the physical link down, not to mention NC-SI which, 154 * if present, keeps the link up regardless of host state. 155 * This statistic counts when PHY _actually_ went down, or lost link. 156 * 157 * Note that we need u64 for ethtool_stats_init() and comparisons 158 * to ETHTOOL_STAT_NOT_SET, but only u32 is exposed to the user. 159 */ 160 u64 link_down_events; 161 }; 162 163 /** 164 * ethtool_rxfh_indir_default - get default value for RX flow hash indirection 165 * @index: Index in RX flow hash indirection table 166 * @n_rx_rings: Number of RX rings to use 167 * 168 * This function provides the default policy for RX flow hash indirection. 169 */ 170 static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings) 171 { 172 return index % n_rx_rings; 173 } 174 175 /** 176 * struct ethtool_rxfh_context - a custom RSS context configuration 177 * @indir_size: Number of u32 entries in indirection table 178 * @key_size: Size of hash key, in bytes 179 * @priv_size: Size of driver private data, in bytes 180 * @hfunc: RSS hash function identifier. One of the %ETH_RSS_HASH_* 181 * @input_xfrm: Defines how the input data is transformed. Valid values are one 182 * of %RXH_XFRM_*. 183 * @indir_configured: indir has been specified (at create time or subsequently) 184 * @key_configured: hkey has been specified (at create time or subsequently) 185 */ 186 struct ethtool_rxfh_context { 187 u32 indir_size; 188 u32 key_size; 189 u16 priv_size; 190 u8 hfunc; 191 u8 input_xfrm; 192 u8 indir_configured:1; 193 u8 key_configured:1; 194 /* private: driver private data, indirection table, and hash key are 195 * stored sequentially in @data area. Use below helpers to access. 196 */ 197 u32 key_off; 198 u8 data[] __aligned(sizeof(void *)); 199 }; 200 201 static inline void *ethtool_rxfh_context_priv(struct ethtool_rxfh_context *ctx) 202 { 203 return ctx->data; 204 } 205 206 static inline u32 *ethtool_rxfh_context_indir(struct ethtool_rxfh_context *ctx) 207 { 208 return (u32 *)(ctx->data + ALIGN(ctx->priv_size, sizeof(u32))); 209 } 210 211 static inline u8 *ethtool_rxfh_context_key(struct ethtool_rxfh_context *ctx) 212 { 213 return &ctx->data[ctx->key_off]; 214 } 215 216 void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id); 217 218 struct link_mode_info { 219 int speed; 220 u8 lanes; 221 u8 min_pairs; 222 u8 pairs; 223 u8 duplex; 224 u16 mediums; 225 }; 226 227 extern const struct link_mode_info link_mode_params[]; 228 229 enum ethtool_link_medium { 230 ETHTOOL_LINK_MEDIUM_BASET = 0, 231 ETHTOOL_LINK_MEDIUM_BASEK, 232 ETHTOOL_LINK_MEDIUM_BASES, 233 ETHTOOL_LINK_MEDIUM_BASEC, 234 ETHTOOL_LINK_MEDIUM_BASEL, 235 ETHTOOL_LINK_MEDIUM_BASED, 236 ETHTOOL_LINK_MEDIUM_BASEE, 237 ETHTOOL_LINK_MEDIUM_BASEF, 238 ETHTOOL_LINK_MEDIUM_BASEV, 239 ETHTOOL_LINK_MEDIUM_BASEMLD, 240 ETHTOOL_LINK_MEDIUM_NONE, 241 242 __ETHTOOL_LINK_MEDIUM_LAST, 243 }; 244 245 #define ETHTOOL_MEDIUM_FIBER_BITS (BIT(ETHTOOL_LINK_MEDIUM_BASES) | \ 246 BIT(ETHTOOL_LINK_MEDIUM_BASEL) | \ 247 BIT(ETHTOOL_LINK_MEDIUM_BASEF)) 248 249 enum ethtool_link_medium ethtool_str_to_medium(const char *str); 250 251 static inline int ethtool_linkmode_n_pairs(unsigned int mode) 252 { 253 return link_mode_params[mode].pairs; 254 } 255 256 /* declare a link mode bitmap */ 257 #define __ETHTOOL_DECLARE_LINK_MODE_MASK(name) \ 258 DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS) 259 260 /* drivers must ignore base.cmd and base.link_mode_masks_nwords 261 * fields, but they are allowed to overwrite them (will be ignored). 262 */ 263 struct ethtool_link_ksettings { 264 struct ethtool_link_settings base; 265 struct { 266 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); 267 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); 268 __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); 269 } link_modes; 270 u32 lanes; 271 }; 272 273 /** 274 * ethtool_link_ksettings_zero_link_mode - clear link_ksettings link mode mask 275 * @ptr : pointer to struct ethtool_link_ksettings 276 * @name : one of supported/advertising/lp_advertising 277 */ 278 #define ethtool_link_ksettings_zero_link_mode(ptr, name) \ 279 bitmap_zero((ptr)->link_modes.name, __ETHTOOL_LINK_MODE_MASK_NBITS) 280 281 /** 282 * ethtool_link_ksettings_add_link_mode - set bit in link_ksettings 283 * link mode mask 284 * @ptr : pointer to struct ethtool_link_ksettings 285 * @name : one of supported/advertising/lp_advertising 286 * @mode : one of the ETHTOOL_LINK_MODE_*_BIT 287 * (not atomic, no bound checking) 288 */ 289 #define ethtool_link_ksettings_add_link_mode(ptr, name, mode) \ 290 __set_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name) 291 292 /** 293 * ethtool_link_ksettings_del_link_mode - clear bit in link_ksettings 294 * link mode mask 295 * @ptr : pointer to struct ethtool_link_ksettings 296 * @name : one of supported/advertising/lp_advertising 297 * @mode : one of the ETHTOOL_LINK_MODE_*_BIT 298 * (not atomic, no bound checking) 299 */ 300 #define ethtool_link_ksettings_del_link_mode(ptr, name, mode) \ 301 __clear_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name) 302 303 /** 304 * ethtool_link_ksettings_test_link_mode - test bit in ksettings link mode mask 305 * @ptr : pointer to struct ethtool_link_ksettings 306 * @name : one of supported/advertising/lp_advertising 307 * @mode : one of the ETHTOOL_LINK_MODE_*_BIT 308 * (not atomic, no bound checking) 309 * 310 * Returns: true/false. 311 */ 312 #define ethtool_link_ksettings_test_link_mode(ptr, name, mode) \ 313 test_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name) 314 315 extern int 316 __ethtool_get_link_ksettings(struct net_device *dev, 317 struct ethtool_link_ksettings *link_ksettings); 318 319 struct ethtool_keee { 320 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); 321 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised); 322 __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertised); 323 u32 tx_lpi_timer; 324 bool tx_lpi_enabled; 325 bool eee_active; 326 bool eee_enabled; 327 }; 328 329 struct kernel_ethtool_coalesce { 330 u8 use_cqe_mode_tx; 331 u8 use_cqe_mode_rx; 332 u32 tx_aggr_max_bytes; 333 u32 tx_aggr_max_frames; 334 u32 tx_aggr_time_usecs; 335 }; 336 337 /** 338 * ethtool_intersect_link_masks - Given two link masks, AND them together 339 * @dst: first mask and where result is stored 340 * @src: second mask to intersect with 341 * 342 * Given two link mode masks, AND them together and save the result in dst. 343 */ 344 void ethtool_intersect_link_masks(struct ethtool_link_ksettings *dst, 345 struct ethtool_link_ksettings *src); 346 347 void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst, 348 u32 legacy_u32); 349 350 /* return false if src had higher bits set. lower bits always updated. */ 351 bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, 352 const unsigned long *src); 353 354 #define ETHTOOL_COALESCE_RX_USECS BIT(0) 355 #define ETHTOOL_COALESCE_RX_MAX_FRAMES BIT(1) 356 #define ETHTOOL_COALESCE_RX_USECS_IRQ BIT(2) 357 #define ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ BIT(3) 358 #define ETHTOOL_COALESCE_TX_USECS BIT(4) 359 #define ETHTOOL_COALESCE_TX_MAX_FRAMES BIT(5) 360 #define ETHTOOL_COALESCE_TX_USECS_IRQ BIT(6) 361 #define ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ BIT(7) 362 #define ETHTOOL_COALESCE_STATS_BLOCK_USECS BIT(8) 363 #define ETHTOOL_COALESCE_USE_ADAPTIVE_RX BIT(9) 364 #define ETHTOOL_COALESCE_USE_ADAPTIVE_TX BIT(10) 365 #define ETHTOOL_COALESCE_PKT_RATE_LOW BIT(11) 366 #define ETHTOOL_COALESCE_RX_USECS_LOW BIT(12) 367 #define ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW BIT(13) 368 #define ETHTOOL_COALESCE_TX_USECS_LOW BIT(14) 369 #define ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW BIT(15) 370 #define ETHTOOL_COALESCE_PKT_RATE_HIGH BIT(16) 371 #define ETHTOOL_COALESCE_RX_USECS_HIGH BIT(17) 372 #define ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH BIT(18) 373 #define ETHTOOL_COALESCE_TX_USECS_HIGH BIT(19) 374 #define ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH BIT(20) 375 #define ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL BIT(21) 376 #define ETHTOOL_COALESCE_USE_CQE_RX BIT(22) 377 #define ETHTOOL_COALESCE_USE_CQE_TX BIT(23) 378 #define ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES BIT(24) 379 #define ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES BIT(25) 380 #define ETHTOOL_COALESCE_TX_AGGR_TIME_USECS BIT(26) 381 #define ETHTOOL_COALESCE_RX_PROFILE BIT(27) 382 #define ETHTOOL_COALESCE_TX_PROFILE BIT(28) 383 #define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(28, 0) 384 385 #define ETHTOOL_COALESCE_USECS \ 386 (ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_TX_USECS) 387 #define ETHTOOL_COALESCE_MAX_FRAMES \ 388 (ETHTOOL_COALESCE_RX_MAX_FRAMES | ETHTOOL_COALESCE_TX_MAX_FRAMES) 389 #define ETHTOOL_COALESCE_USECS_IRQ \ 390 (ETHTOOL_COALESCE_RX_USECS_IRQ | ETHTOOL_COALESCE_TX_USECS_IRQ) 391 #define ETHTOOL_COALESCE_MAX_FRAMES_IRQ \ 392 (ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ | \ 393 ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ) 394 #define ETHTOOL_COALESCE_USE_ADAPTIVE \ 395 (ETHTOOL_COALESCE_USE_ADAPTIVE_RX | ETHTOOL_COALESCE_USE_ADAPTIVE_TX) 396 #define ETHTOOL_COALESCE_USECS_LOW_HIGH \ 397 (ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_TX_USECS_LOW | \ 398 ETHTOOL_COALESCE_RX_USECS_HIGH | ETHTOOL_COALESCE_TX_USECS_HIGH) 399 #define ETHTOOL_COALESCE_MAX_FRAMES_LOW_HIGH \ 400 (ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW | \ 401 ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW | \ 402 ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH | \ 403 ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH) 404 #define ETHTOOL_COALESCE_PKT_RATE_RX_USECS \ 405 (ETHTOOL_COALESCE_USE_ADAPTIVE_RX | \ 406 ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_RX_USECS_HIGH | \ 407 ETHTOOL_COALESCE_PKT_RATE_LOW | ETHTOOL_COALESCE_PKT_RATE_HIGH | \ 408 ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL) 409 #define ETHTOOL_COALESCE_USE_CQE \ 410 (ETHTOOL_COALESCE_USE_CQE_RX | ETHTOOL_COALESCE_USE_CQE_TX) 411 #define ETHTOOL_COALESCE_TX_AGGR \ 412 (ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES | \ 413 ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES | \ 414 ETHTOOL_COALESCE_TX_AGGR_TIME_USECS) 415 416 #define ETHTOOL_STAT_NOT_SET (~0ULL) 417 418 static inline void ethtool_stats_init(u64 *stats, unsigned int n) 419 { 420 while (n--) 421 stats[n] = ETHTOOL_STAT_NOT_SET; 422 } 423 424 /* Basic IEEE 802.3 MAC statistics (30.3.1.1.*), not otherwise exposed 425 * via a more targeted API. 426 */ 427 struct ethtool_eth_mac_stats { 428 enum ethtool_mac_stats_src src; 429 struct_group(stats, 430 u64 FramesTransmittedOK; 431 u64 SingleCollisionFrames; 432 u64 MultipleCollisionFrames; 433 u64 FramesReceivedOK; 434 u64 FrameCheckSequenceErrors; 435 u64 AlignmentErrors; 436 u64 OctetsTransmittedOK; 437 u64 FramesWithDeferredXmissions; 438 u64 LateCollisions; 439 u64 FramesAbortedDueToXSColls; 440 u64 FramesLostDueToIntMACXmitError; 441 u64 CarrierSenseErrors; 442 u64 OctetsReceivedOK; 443 u64 FramesLostDueToIntMACRcvError; 444 u64 MulticastFramesXmittedOK; 445 u64 BroadcastFramesXmittedOK; 446 u64 FramesWithExcessiveDeferral; 447 u64 MulticastFramesReceivedOK; 448 u64 BroadcastFramesReceivedOK; 449 u64 InRangeLengthErrors; 450 u64 OutOfRangeLengthField; 451 u64 FrameTooLongErrors; 452 ); 453 }; 454 455 /* Basic IEEE 802.3 PHY statistics (30.3.2.1.*), not otherwise exposed 456 * via a more targeted API. 457 */ 458 struct ethtool_eth_phy_stats { 459 enum ethtool_mac_stats_src src; 460 struct_group(stats, 461 u64 SymbolErrorDuringCarrier; 462 ); 463 }; 464 465 /** 466 * struct ethtool_phy_stats - PHY-level statistics counters 467 * @rx_packets: Total successfully received frames 468 * @rx_bytes: Total successfully received bytes 469 * @rx_errors: Total received frames with errors (e.g., CRC errors) 470 * @tx_packets: Total successfully transmitted frames 471 * @tx_bytes: Total successfully transmitted bytes 472 * @tx_errors: Total transmitted frames with errors 473 * 474 * This structure provides a standardized interface for reporting 475 * PHY-level statistics counters. It is designed to expose statistics 476 * commonly provided by PHYs but not explicitly defined in the IEEE 477 * 802.3 standard. 478 */ 479 struct ethtool_phy_stats { 480 u64 rx_packets; 481 u64 rx_bytes; 482 u64 rx_errors; 483 u64 tx_packets; 484 u64 tx_bytes; 485 u64 tx_errors; 486 }; 487 488 /* Basic IEEE 802.3 MAC Ctrl statistics (30.3.3.*), not otherwise exposed 489 * via a more targeted API. 490 */ 491 struct ethtool_eth_ctrl_stats { 492 enum ethtool_mac_stats_src src; 493 struct_group(stats, 494 u64 MACControlFramesTransmitted; 495 u64 MACControlFramesReceived; 496 u64 UnsupportedOpcodesReceived; 497 ); 498 }; 499 500 /** 501 * struct ethtool_pause_stats - statistics for IEEE 802.3x pause frames 502 * @src: input field denoting whether stats should be queried from the eMAC or 503 * pMAC (if the MM layer is supported). To be ignored otherwise. 504 * @tx_pause_frames: transmitted pause frame count. Reported to user space 505 * as %ETHTOOL_A_PAUSE_STAT_TX_FRAMES. 506 * 507 * Equivalent to `30.3.4.2 aPAUSEMACCtrlFramesTransmitted` 508 * from the standard. 509 * 510 * @rx_pause_frames: received pause frame count. Reported to user space 511 * as %ETHTOOL_A_PAUSE_STAT_RX_FRAMES. Equivalent to: 512 * 513 * Equivalent to `30.3.4.3 aPAUSEMACCtrlFramesReceived` 514 * from the standard. 515 */ 516 struct ethtool_pause_stats { 517 enum ethtool_mac_stats_src src; 518 struct_group(stats, 519 u64 tx_pause_frames; 520 u64 rx_pause_frames; 521 ); 522 }; 523 524 #define ETHTOOL_MAX_LANES 8 525 /* 526 * IEEE 802.3ck/df defines 16 bins for FEC histogram plus one more for 527 * the end-of-list marker, total 17 items 528 */ 529 #define ETHTOOL_FEC_HIST_MAX 17 530 /** 531 * struct ethtool_fec_hist_range - error bits range for FEC histogram 532 * statistics 533 * @low: low bound of the bin (inclusive) 534 * @high: high bound of the bin (inclusive) 535 */ 536 struct ethtool_fec_hist_range { 537 u16 low; 538 u16 high; 539 }; 540 541 struct ethtool_fec_hist { 542 struct ethtool_fec_hist_value { 543 u64 sum; 544 u64 per_lane[ETHTOOL_MAX_LANES]; 545 } values[ETHTOOL_FEC_HIST_MAX]; 546 const struct ethtool_fec_hist_range *ranges; 547 }; 548 /** 549 * struct ethtool_fec_stats - statistics for IEEE 802.3 FEC 550 * @corrected_blocks: number of received blocks corrected by FEC 551 * Reported to user space as %ETHTOOL_A_FEC_STAT_CORRECTED. 552 * 553 * Equivalent to `30.5.1.1.17 aFECCorrectedBlocks` from the standard. 554 * 555 * @uncorrectable_blocks: number of received blocks FEC was not able to correct 556 * Reported to user space as %ETHTOOL_A_FEC_STAT_UNCORR. 557 * 558 * Equivalent to `30.5.1.1.18 aFECUncorrectableBlocks` from the standard. 559 * 560 * @corrected_bits: number of bits corrected by FEC 561 * Similar to @corrected_blocks but counts individual bit changes, 562 * not entire FEC data blocks. This is a non-standard statistic. 563 * Reported to user space as %ETHTOOL_A_FEC_STAT_CORR_BITS. 564 * 565 * For each of the above fields, the two substructure members are: 566 * 567 * - @lanes: per-lane/PCS-instance counts as defined by the standard 568 * - @total: error counts for the entire port, for drivers incapable of reporting 569 * per-lane stats 570 * 571 * Drivers should fill in either only total or per-lane statistics, core 572 * will take care of adding lane values up to produce the total. 573 */ 574 struct ethtool_fec_stats { 575 struct ethtool_fec_stat { 576 u64 total; 577 u64 lanes[ETHTOOL_MAX_LANES]; 578 } corrected_blocks, uncorrectable_blocks, corrected_bits; 579 }; 580 581 /** 582 * struct ethtool_rmon_hist_range - byte range for histogram statistics 583 * @low: low bound of the bucket (inclusive) 584 * @high: high bound of the bucket (inclusive) 585 */ 586 struct ethtool_rmon_hist_range { 587 u16 low; 588 u16 high; 589 }; 590 591 #define ETHTOOL_RMON_HIST_MAX 11 592 593 /** 594 * struct ethtool_rmon_stats - selected RMON (RFC 2819) statistics 595 * @src: input field denoting whether stats should be queried from the eMAC or 596 * pMAC (if the MM layer is supported). To be ignored otherwise. 597 * @undersize_pkts: Equivalent to `etherStatsUndersizePkts` from the RFC. 598 * @oversize_pkts: Equivalent to `etherStatsOversizePkts` from the RFC. 599 * @fragments: Equivalent to `etherStatsFragments` from the RFC. 600 * @jabbers: Equivalent to `etherStatsJabbers` from the RFC. 601 * @hist: Packet counter for packet length buckets (e.g. 602 * `etherStatsPkts128to255Octets` from the RFC). 603 * @hist_tx: Tx counters in similar form to @hist, not defined in the RFC. 604 * 605 * Selection of RMON (RFC 2819) statistics which are not exposed via different 606 * APIs, primarily the packet-length-based counters. 607 * Unfortunately different designs choose different buckets beyond 608 * the 1024B mark (jumbo frame teritory), so the definition of the bucket 609 * ranges is left to the driver. 610 */ 611 struct ethtool_rmon_stats { 612 enum ethtool_mac_stats_src src; 613 struct_group(stats, 614 u64 undersize_pkts; 615 u64 oversize_pkts; 616 u64 fragments; 617 u64 jabbers; 618 619 u64 hist[ETHTOOL_RMON_HIST_MAX]; 620 u64 hist_tx[ETHTOOL_RMON_HIST_MAX]; 621 ); 622 }; 623 624 /** 625 * struct ethtool_ts_stats - HW timestamping statistics 626 * @pkts: Number of packets successfully timestamped by the hardware. 627 * @onestep_pkts_unconfirmed: Number of PTP packets with one-step TX 628 * timestamping that were sent, but for which the 629 * device offers no confirmation whether they made 630 * it onto the wire and the timestamp was inserted 631 * in the originTimestamp or correctionField, or 632 * not. 633 * @lost: Number of hardware timestamping requests where the timestamping 634 * information from the hardware never arrived for submission with 635 * the skb. 636 * @err: Number of arbitrary timestamp generation error events that the 637 * hardware encountered, exclusive of @lost statistics. Cases such 638 * as resource exhaustion, unavailability, firmware errors, and 639 * detected illogical timestamp values not submitted with the skb 640 * are inclusive to this counter. 641 */ 642 struct ethtool_ts_stats { 643 struct_group(tx_stats, 644 u64 pkts; 645 u64 onestep_pkts_unconfirmed; 646 u64 lost; 647 u64 err; 648 ); 649 }; 650 651 #define ETH_MODULE_EEPROM_PAGE_LEN 128 652 #define ETH_MODULE_MAX_I2C_ADDRESS 0x7f 653 654 /** 655 * struct ethtool_module_eeprom - plug-in module EEPROM read / write parameters 656 * @offset: When @offset is 0-127, it is used as an address to the Lower Memory 657 * (@page must be 0). Otherwise, it is used as an address to the 658 * Upper Memory. 659 * @length: Number of bytes to read / write. 660 * @page: Page number. 661 * @bank: Bank number, if supported by EEPROM spec. 662 * @i2c_address: I2C address of a page. Value less than 0x7f expected. Most 663 * EEPROMs use 0x50 or 0x51. 664 * @data: Pointer to buffer with EEPROM data of @length size. 665 */ 666 struct ethtool_module_eeprom { 667 u32 offset; 668 u32 length; 669 u8 page; 670 u8 bank; 671 u8 i2c_address; 672 u8 *data; 673 }; 674 675 /** 676 * struct ethtool_module_power_mode_params - module power mode parameters 677 * @policy: The power mode policy enforced by the host for the plug-in module. 678 * @mode: The operational power mode of the plug-in module. Should be filled by 679 * device drivers on get operations. 680 */ 681 struct ethtool_module_power_mode_params { 682 enum ethtool_module_power_mode_policy policy; 683 enum ethtool_module_power_mode mode; 684 }; 685 686 /** 687 * struct ethtool_mm_state - 802.3 MAC merge layer state 688 * @verify_time: 689 * wait time between verification attempts in ms (according to clause 690 * 30.14.1.6 aMACMergeVerifyTime) 691 * @max_verify_time: 692 * maximum accepted value for the @verify_time variable in set requests 693 * @verify_status: 694 * state of the verification state machine of the MM layer (according to 695 * clause 30.14.1.2 aMACMergeStatusVerify) 696 * @tx_enabled: 697 * set if the MM layer is administratively enabled in the TX direction 698 * (according to clause 30.14.1.3 aMACMergeEnableTx) 699 * @tx_active: 700 * set if the MM layer is enabled in the TX direction, which makes FP 701 * possible (according to 30.14.1.5 aMACMergeStatusTx). This should be 702 * true if MM is enabled, and the verification status is either verified, 703 * or disabled. 704 * @pmac_enabled: 705 * set if the preemptible MAC is powered on and is able to receive 706 * preemptible packets and respond to verification frames. 707 * @verify_enabled: 708 * set if the Verify function of the MM layer (which sends SMD-V 709 * verification requests) is administratively enabled (regardless of 710 * whether it is currently in the ETHTOOL_MM_VERIFY_STATUS_DISABLED state 711 * or not), according to clause 30.14.1.4 aMACMergeVerifyDisableTx (but 712 * using positive rather than negative logic). The device should always 713 * respond to received SMD-V requests as long as @pmac_enabled is set. 714 * @tx_min_frag_size: 715 * the minimum size of non-final mPacket fragments that the link partner 716 * supports receiving, expressed in octets. Compared to the definition 717 * from clause 30.14.1.7 aMACMergeAddFragSize which is expressed in the 718 * range 0 to 3 (requiring a translation to the size in octets according 719 * to the formula 64 * (1 + addFragSize) - 4), a value in a continuous and 720 * unbounded range can be specified here. 721 * @rx_min_frag_size: 722 * the minimum size of non-final mPacket fragments that this device 723 * supports receiving, expressed in octets. 724 */ 725 struct ethtool_mm_state { 726 u32 verify_time; 727 u32 max_verify_time; 728 enum ethtool_mm_verify_status verify_status; 729 bool tx_enabled; 730 bool tx_active; 731 bool pmac_enabled; 732 bool verify_enabled; 733 u32 tx_min_frag_size; 734 u32 rx_min_frag_size; 735 }; 736 737 /** 738 * struct ethtool_mm_cfg - 802.3 MAC merge layer configuration 739 * @verify_time: see struct ethtool_mm_state 740 * @verify_enabled: see struct ethtool_mm_state 741 * @tx_enabled: see struct ethtool_mm_state 742 * @pmac_enabled: see struct ethtool_mm_state 743 * @tx_min_frag_size: see struct ethtool_mm_state 744 */ 745 struct ethtool_mm_cfg { 746 u32 verify_time; 747 bool verify_enabled; 748 bool tx_enabled; 749 bool pmac_enabled; 750 u32 tx_min_frag_size; 751 }; 752 753 /** 754 * struct ethtool_mm_stats - 802.3 MAC merge layer statistics 755 * @MACMergeFrameAssErrorCount: 756 * received MAC frames with reassembly errors 757 * @MACMergeFrameSmdErrorCount: 758 * received MAC frames/fragments rejected due to unknown or incorrect SMD 759 * @MACMergeFrameAssOkCount: 760 * received MAC frames that were successfully reassembled and passed up 761 * @MACMergeFragCountRx: 762 * number of additional correct SMD-C mPackets received due to preemption 763 * @MACMergeFragCountTx: 764 * number of additional mPackets sent due to preemption 765 * @MACMergeHoldCount: 766 * number of times the MM layer entered the HOLD state, which blocks 767 * transmission of preemptible traffic 768 */ 769 struct ethtool_mm_stats { 770 u64 MACMergeFrameAssErrorCount; 771 u64 MACMergeFrameSmdErrorCount; 772 u64 MACMergeFrameAssOkCount; 773 u64 MACMergeFragCountRx; 774 u64 MACMergeFragCountTx; 775 u64 MACMergeHoldCount; 776 }; 777 778 enum ethtool_mmsv_event { 779 ETHTOOL_MMSV_LP_SENT_VERIFY_MPACKET, 780 ETHTOOL_MMSV_LD_SENT_VERIFY_MPACKET, 781 ETHTOOL_MMSV_LP_SENT_RESPONSE_MPACKET, 782 }; 783 784 /* MAC Merge verification mPacket type */ 785 enum ethtool_mpacket { 786 ETHTOOL_MPACKET_VERIFY, 787 ETHTOOL_MPACKET_RESPONSE, 788 }; 789 790 struct ethtool_mmsv; 791 792 /** 793 * struct ethtool_mmsv_ops - Operations for MAC Merge Software Verification 794 * @configure_tx: Driver callback for the event where the preemptible TX 795 * becomes active or inactive. Preemptible traffic 796 * classes must be committed to hardware only while 797 * preemptible TX is active. 798 * @configure_pmac: Driver callback for the event where the pMAC state 799 * changes as result of an administrative setting 800 * (ethtool) or a call to ethtool_mmsv_link_state_handle(). 801 * @send_mpacket: Driver-provided method for sending a Verify or a Response 802 * mPacket. 803 */ 804 struct ethtool_mmsv_ops { 805 void (*configure_tx)(struct ethtool_mmsv *mmsv, bool tx_active); 806 void (*configure_pmac)(struct ethtool_mmsv *mmsv, bool pmac_enabled); 807 void (*send_mpacket)(struct ethtool_mmsv *mmsv, enum ethtool_mpacket mpacket); 808 }; 809 810 /** 811 * struct ethtool_mmsv - MAC Merge Software Verification 812 * @ops: operations for MAC Merge Software Verification 813 * @dev: pointer to net_device structure 814 * @lock: serialize access to MAC Merge state between 815 * ethtool requests and link state updates. 816 * @status: current verification FSM state 817 * @verify_timer: timer for verification in local TX direction 818 * @verify_enabled: indicates if verification is enabled 819 * @verify_retries: number of retries for verification 820 * @pmac_enabled: indicates if the preemptible MAC is enabled 821 * @verify_time: time for verification in milliseconds 822 * @tx_enabled: indicates if transmission is enabled 823 */ 824 struct ethtool_mmsv { 825 const struct ethtool_mmsv_ops *ops; 826 struct net_device *dev; 827 spinlock_t lock; 828 enum ethtool_mm_verify_status status; 829 struct timer_list verify_timer; 830 bool verify_enabled; 831 int verify_retries; 832 bool pmac_enabled; 833 u32 verify_time; 834 bool tx_enabled; 835 }; 836 837 void ethtool_mmsv_stop(struct ethtool_mmsv *mmsv); 838 void ethtool_mmsv_link_state_handle(struct ethtool_mmsv *mmsv, bool up); 839 void ethtool_mmsv_event_handle(struct ethtool_mmsv *mmsv, 840 enum ethtool_mmsv_event event); 841 void ethtool_mmsv_get_mm(struct ethtool_mmsv *mmsv, 842 struct ethtool_mm_state *state); 843 void ethtool_mmsv_set_mm(struct ethtool_mmsv *mmsv, struct ethtool_mm_cfg *cfg); 844 void ethtool_mmsv_init(struct ethtool_mmsv *mmsv, struct net_device *dev, 845 const struct ethtool_mmsv_ops *ops); 846 847 /** 848 * struct ethtool_rxfh_param - RXFH (RSS) parameters 849 * @hfunc: Defines the current RSS hash function used by HW (or to be set to). 850 * Valid values are one of the %ETH_RSS_HASH_*. 851 * @indir_size: On SET, the array size of the user buffer for the 852 * indirection table, which may be zero, or 853 * %ETH_RXFH_INDIR_NO_CHANGE. On GET (read from the driver), 854 * the array size of the hardware indirection table. 855 * @indir: The indirection table of size @indir_size entries. 856 * @key_size: On SET, the array size of the user buffer for the hash key, 857 * which may be zero. On GET (read from the driver), the size of the 858 * hardware hash key. 859 * @key: The hash key of size @key_size bytes. 860 * @rss_context: RSS context identifier. Context 0 is the default for normal 861 * traffic; other contexts can be referenced as the destination for RX flow 862 * classification rules. On SET, %ETH_RXFH_CONTEXT_ALLOC is used 863 * to allocate a new RSS context; on return this field will 864 * contain the ID of the newly allocated context. 865 * @rss_delete: Set to non-ZERO to remove the @rss_context context. 866 * @input_xfrm: Defines how the input data is transformed. Valid values are one 867 * of %RXH_XFRM_*. 868 */ 869 struct ethtool_rxfh_param { 870 u8 hfunc; 871 u32 indir_size; 872 u32 *indir; 873 u32 key_size; 874 u8 *key; 875 u32 rss_context; 876 u8 rss_delete; 877 u8 input_xfrm; 878 }; 879 880 /** 881 * struct ethtool_rxfh_fields - Rx Flow Hashing (RXFH) header field config 882 * @data: which header fields are used for hashing, bitmask of RXH_* defines 883 * @flow_type: L2-L4 network traffic flow type 884 * @rss_context: RSS context, will only be used if rxfh_per_ctx_fields is 885 * set in struct ethtool_ops 886 */ 887 struct ethtool_rxfh_fields { 888 u32 data; 889 u32 flow_type; 890 u32 rss_context; 891 }; 892 893 /** 894 * struct kernel_ethtool_ts_info - kernel copy of struct ethtool_ts_info 895 * @cmd: command number = %ETHTOOL_GET_TS_INFO 896 * @so_timestamping: bit mask of the sum of the supported SO_TIMESTAMPING flags 897 * @phc_index: device index of the associated PHC, or -1 if there is none 898 * @phc_qualifier: qualifier of the associated PHC 899 * @phc_source: source device of the associated PHC 900 * @phc_phyindex: index of PHY device source of the associated PHC 901 * @tx_types: bit mask of the supported hwtstamp_tx_types enumeration values 902 * @rx_filters: bit mask of the supported hwtstamp_rx_filters enumeration values 903 */ 904 struct kernel_ethtool_ts_info { 905 u32 cmd; 906 u32 so_timestamping; 907 int phc_index; 908 enum hwtstamp_provider_qualifier phc_qualifier; 909 enum hwtstamp_source phc_source; 910 int phc_phyindex; 911 u32 tx_types; 912 u32 rx_filters; 913 }; 914 915 /** 916 * struct ethtool_ops - optional netdev operations 917 * @supported_input_xfrm: supported types of input xfrm from %RXH_XFRM_*. 918 * @cap_link_lanes_supported: indicates if the driver supports lanes 919 * parameter. 920 * @rxfh_per_ctx_fields: device supports selecting different header fields 921 * for Rx hash calculation and RSS for each additional context. 922 * @rxfh_per_ctx_key: device supports setting different RSS key for each 923 * additional context. Netlink API should report hfunc, key, and input_xfrm 924 * for every context, not just context 0. 925 * @cap_rss_rxnfc_adds: device supports nonzero ring_cookie in filters with 926 * %FLOW_RSS flag; the queue ID from the filter is added to the value from 927 * the indirection table to determine the delivery queue. 928 * @rxfh_indir_space: max size of RSS indirection tables, if indirection table 929 * size as returned by @get_rxfh_indir_size may change during lifetime 930 * of the device. Leave as 0 if the table size is constant. 931 * @rxfh_key_space: same as @rxfh_indir_space, but for the key. 932 * @rxfh_priv_size: size of the driver private data area the core should 933 * allocate for an RSS context (in &struct ethtool_rxfh_context). 934 * @rxfh_max_num_contexts: maximum (exclusive) supported RSS context ID. 935 * If this is zero then the core may choose any (nonzero) ID, otherwise 936 * the core will only use IDs strictly less than this value, as the 937 * @rss_context argument to @create_rxfh_context and friends. 938 * @supported_coalesce_params: supported types of interrupt coalescing. 939 * @supported_ring_params: supported ring params. 940 * @supported_hwtstamp_qualifiers: bitfield of supported hwtstamp qualifier. 941 * @get_drvinfo: Report driver/device information. Modern drivers no 942 * longer have to implement this callback. Most fields are 943 * correctly filled in by the core using system information, or 944 * populated using other driver operations. 945 * @get_regs_len: Get buffer length required for @get_regs 946 * @get_regs: Get device registers 947 * @get_wol: Report whether Wake-on-Lan is enabled 948 * @set_wol: Turn Wake-on-Lan on or off. Returns a negative error code 949 * or zero. 950 * @get_msglevel: Report driver message level. This should be the value 951 * of the @msg_enable field used by netif logging functions. 952 * @set_msglevel: Set driver message level 953 * @nway_reset: Restart autonegotiation. Returns a negative error code 954 * or zero. 955 * @get_link: Report whether physical link is up. Will only be called if 956 * the netdev is up. Should usually be set to ethtool_op_get_link(), 957 * which uses netif_carrier_ok(). 958 * @get_link_ext_state: Report link extended state. Should set link_ext_state and 959 * link_ext_substate (link_ext_substate of 0 means link_ext_substate is unknown, 960 * do not attach ext_substate attribute to netlink message). If link_ext_state 961 * and link_ext_substate are unknown, return -ENODATA. If not implemented, 962 * link_ext_state and link_ext_substate will not be sent to userspace. 963 * @get_link_ext_stats: Read extra link-related counters. 964 * @get_eeprom_len: Read range of EEPROM addresses for validation of 965 * @get_eeprom and @set_eeprom requests. 966 * Returns 0 if device does not support EEPROM access. 967 * @get_eeprom: Read data from the device EEPROM. 968 * Should fill in the magic field. Don't need to check len for zero 969 * or wraparound. Fill in the data argument with the eeprom values 970 * from offset to offset + len. Update len to the amount read. 971 * Returns an error or zero. 972 * @set_eeprom: Write data to the device EEPROM. 973 * Should validate the magic field. Don't need to check len for zero 974 * or wraparound. Update len to the amount written. Returns an error 975 * or zero. 976 * @get_coalesce: Get interrupt coalescing parameters. Returns a negative 977 * error code or zero. 978 * @set_coalesce: Set interrupt coalescing parameters. Supported coalescing 979 * types should be set in @supported_coalesce_params. 980 * Returns a negative error code or zero. 981 * @get_ringparam: Report ring sizes 982 * @set_ringparam: Set ring sizes. Returns a negative error code or zero. 983 * @get_pause_stats: Report pause frame statistics. Drivers must not zero 984 * statistics which they don't report. The stats structure is initialized 985 * to ETHTOOL_STAT_NOT_SET indicating driver does not report statistics. 986 * @get_pauseparam: Report pause parameters 987 * @set_pauseparam: Set pause parameters. Returns a negative error code 988 * or zero. 989 * @self_test: Run specified self-tests 990 * @get_strings: Return a set of strings that describe the requested objects 991 * @set_phys_id: Identify the physical devices, e.g. by flashing an LED 992 * attached to it. The implementation may update the indicator 993 * asynchronously or synchronously, but in either case it must return 994 * quickly. It is initially called with the argument %ETHTOOL_ID_ACTIVE, 995 * and must either activate asynchronous updates and return zero, return 996 * a negative error or return a positive frequency for synchronous 997 * indication (e.g. 1 for one on/off cycle per second). If it returns 998 * a frequency then it will be called again at intervals with the 999 * argument %ETHTOOL_ID_ON or %ETHTOOL_ID_OFF and should set the state of 1000 * the indicator accordingly. Finally, it is called with the argument 1001 * %ETHTOOL_ID_INACTIVE and must deactivate the indicator. Returns a 1002 * negative error code or zero. 1003 * @get_ethtool_stats: Return extended statistics about the device. 1004 * This is only useful if the device maintains statistics not 1005 * included in &struct rtnl_link_stats64. 1006 * @begin: Function to be called before any other operation. Returns a 1007 * negative error code or zero. 1008 * @complete: Function to be called after any other operation except 1009 * @begin. Will be called even if the other operation failed. 1010 * @get_priv_flags: Report driver-specific feature flags. 1011 * @set_priv_flags: Set driver-specific feature flags. Returns a negative 1012 * error code or zero. 1013 * @get_sset_count: Get number of strings that @get_strings will write. 1014 * @get_rxnfc: Get RX flow classification rules. Returns a negative 1015 * error code or zero. 1016 * @set_rxnfc: Set RX flow classification rules. Returns a negative 1017 * error code or zero. 1018 * @flash_device: Write a firmware image to device's flash memory. 1019 * Returns a negative error code or zero. 1020 * @reset: Reset (part of) the device, as specified by a bitmask of 1021 * flags from &enum ethtool_reset_flags. Returns a negative 1022 * error code or zero. 1023 * @get_rx_ring_count: Return the number of RX rings 1024 * @get_rxfh_key_size: Get the size of the RX flow hash key. 1025 * Returns zero if not supported for this specific device. 1026 * @get_rxfh_indir_size: Get the size of the RX flow hash indirection table. 1027 * Returns zero if not supported for this specific device. 1028 * @get_rxfh: Get the contents of the RX flow hash indirection table, hash key 1029 * and/or hash function. 1030 * Returns a negative error code or zero. 1031 * @set_rxfh: Set the contents of the RX flow hash indirection table, hash 1032 * key, and/or hash function. Arguments which are set to %NULL or zero 1033 * will remain unchanged. 1034 * Returns a negative error code or zero. An error code must be returned 1035 * if at least one unsupported change was requested. 1036 * @get_rxfh_fields: Get header fields used for flow hashing. 1037 * @set_rxfh_fields: Set header fields used for flow hashing. 1038 * @create_rxfh_context: Create a new RSS context with the specified RX flow 1039 * hash indirection table, hash key, and hash function. 1040 * The &struct ethtool_rxfh_context for this context is passed in @ctx; 1041 * note that the indir table, hkey and hfunc are not yet populated as 1042 * of this call. The driver does not need to update these; the core 1043 * will do so if this op succeeds. 1044 * However, if @rxfh.indir is set to %NULL, the driver must update the 1045 * indir table in @ctx with the (default or inherited) table actually in 1046 * use; similarly, if @rxfh.key is %NULL, @rxfh.hfunc is 1047 * %ETH_RSS_HASH_NO_CHANGE, or @rxfh.input_xfrm is %RXH_XFRM_NO_CHANGE, 1048 * the driver should update the corresponding information in @ctx. 1049 * If the driver provides this method, it must also provide 1050 * @modify_rxfh_context and @remove_rxfh_context. 1051 * Returns a negative error code or zero. 1052 * @modify_rxfh_context: Reconfigure the specified RSS context. Allows setting 1053 * the contents of the RX flow hash indirection table, hash key, and/or 1054 * hash function associated with the given context. 1055 * Parameters which are set to %NULL or zero will remain unchanged. 1056 * The &struct ethtool_rxfh_context for this context is passed in @ctx; 1057 * note that it will still contain the *old* settings. The driver does 1058 * not need to update these; the core will do so if this op succeeds. 1059 * Returns a negative error code or zero. An error code must be returned 1060 * if at least one unsupported change was requested. 1061 * @remove_rxfh_context: Remove the specified RSS context. 1062 * The &struct ethtool_rxfh_context for this context is passed in @ctx. 1063 * Returns a negative error code or zero. 1064 * @get_channels: Get number of channels. 1065 * @set_channels: Set number of channels. Returns a negative error code or 1066 * zero. 1067 * @get_dump_flag: Get dump flag indicating current dump length, version, 1068 * and flag of the device. 1069 * @get_dump_data: Get dump data. 1070 * @set_dump: Set dump specific flags to the device. 1071 * @get_ts_info: Get the time stamping and PTP hardware clock capabilities. 1072 * It may be called with RCU, or rtnl or reference on the device. 1073 * Drivers supporting transmit time stamps in software should set this to 1074 * ethtool_op_get_ts_info(). 1075 * @get_ts_stats: Query the device hardware timestamping statistics. Drivers 1076 * must not zero statistics which they don't report. The stats structure 1077 * is initialized to ETHTOOL_STAT_NOT_SET indicating driver does not 1078 * report statistics. 1079 * @get_module_info: Get the size and type of the eeprom contained within 1080 * a plug-in module. 1081 * @get_module_eeprom: Get the eeprom information from the plug-in module 1082 * @get_eee: Get Energy-Efficient (EEE) supported and status. 1083 * @set_eee: Set EEE status (enable/disable) as well as LPI timers. 1084 * @get_tunable: Read the value of a driver / device tunable. 1085 * @set_tunable: Set the value of a driver / device tunable. 1086 * @get_per_queue_coalesce: Get interrupt coalescing parameters per queue. 1087 * It must check that the given queue number is valid. If neither a RX nor 1088 * a TX queue has this number, return -EINVAL. If only a RX queue or a TX 1089 * queue has this number, set the inapplicable fields to ~0 and return 0. 1090 * Returns a negative error code or zero. 1091 * @set_per_queue_coalesce: Set interrupt coalescing parameters per queue. 1092 * It must check that the given queue number is valid. If neither a RX nor 1093 * a TX queue has this number, return -EINVAL. If only a RX queue or a TX 1094 * queue has this number, ignore the inapplicable fields. Supported 1095 * coalescing types should be set in @supported_coalesce_params. 1096 * Returns a negative error code or zero. 1097 * @get_link_ksettings: Get various device settings including Ethernet link 1098 * settings. The %cmd and %link_mode_masks_nwords fields should be 1099 * ignored (use %__ETHTOOL_LINK_MODE_MASK_NBITS instead of the latter), 1100 * any change to them will be overwritten by kernel. Returns a negative 1101 * error code or zero. 1102 * @set_link_ksettings: Set various device settings including Ethernet link 1103 * settings. The %cmd and %link_mode_masks_nwords fields should be 1104 * ignored (use %__ETHTOOL_LINK_MODE_MASK_NBITS instead of the latter), 1105 * any change to them will be overwritten by kernel. Returns a negative 1106 * error code or zero. 1107 * @get_fec_stats: Report FEC statistics. 1108 * Core will sum up per-lane stats to get the total. 1109 * Drivers must not zero statistics which they don't report. The stats 1110 * structure is initialized to ETHTOOL_STAT_NOT_SET indicating driver does 1111 * not report statistics. 1112 * @get_fecparam: Get the network device Forward Error Correction parameters. 1113 * @set_fecparam: Set the network device Forward Error Correction parameters. 1114 * @get_ethtool_phy_stats: Return extended statistics about the PHY device. 1115 * This is only useful if the device maintains PHY statistics and 1116 * cannot use the standard PHY library helpers. 1117 * @get_phy_tunable: Read the value of a PHY tunable. 1118 * @set_phy_tunable: Set the value of a PHY tunable. 1119 * @get_module_eeprom_by_page: Get a region of plug-in module EEPROM data from 1120 * specified page. Returns a negative error code or the amount of bytes 1121 * read. 1122 * @set_module_eeprom_by_page: Write to a region of plug-in module EEPROM, 1123 * from kernel space only. Returns a negative error code or zero. 1124 * @get_eth_phy_stats: Query some of the IEEE 802.3 PHY statistics. 1125 * @get_eth_mac_stats: Query some of the IEEE 802.3 MAC statistics. 1126 * @get_eth_ctrl_stats: Query some of the IEEE 802.3 MAC Ctrl statistics. 1127 * @get_rmon_stats: Query some of the RMON (RFC 2819) statistics. 1128 * Set %ranges to a pointer to zero-terminated array of byte ranges. 1129 * @get_module_power_mode: Get the power mode policy for the plug-in module 1130 * used by the network device and its operational power mode, if 1131 * plugged-in. 1132 * @set_module_power_mode: Set the power mode policy for the plug-in module 1133 * used by the network device. 1134 * @get_mm: Query the 802.3 MAC Merge layer state. 1135 * @set_mm: Set the 802.3 MAC Merge layer parameters. 1136 * @get_mm_stats: Query the 802.3 MAC Merge layer statistics. 1137 * 1138 * All operations are optional (i.e. the function pointer may be set 1139 * to %NULL) and callers must take this into account. Callers must 1140 * hold the RTNL lock. 1141 * 1142 * See the structures used by these operations for further documentation. 1143 * Note that for all operations using a structure ending with a zero- 1144 * length array, the array is allocated separately in the kernel and 1145 * is passed to the driver as an additional parameter. 1146 * 1147 * See &struct net_device and &struct net_device_ops for documentation 1148 * of the generic netdev features interface. 1149 */ 1150 struct ethtool_ops { 1151 u32 supported_input_xfrm:8; 1152 u32 cap_link_lanes_supported:1; 1153 u32 rxfh_per_ctx_fields:1; 1154 u32 rxfh_per_ctx_key:1; 1155 u32 cap_rss_rxnfc_adds:1; 1156 u32 rxfh_indir_space; 1157 u16 rxfh_key_space; 1158 u16 rxfh_priv_size; 1159 u32 rxfh_max_num_contexts; 1160 u32 supported_coalesce_params; 1161 u32 supported_ring_params; 1162 u32 supported_hwtstamp_qualifiers; 1163 void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *); 1164 int (*get_regs_len)(struct net_device *); 1165 void (*get_regs)(struct net_device *, struct ethtool_regs *, void *); 1166 void (*get_wol)(struct net_device *, struct ethtool_wolinfo *); 1167 int (*set_wol)(struct net_device *, struct ethtool_wolinfo *); 1168 u32 (*get_msglevel)(struct net_device *); 1169 void (*set_msglevel)(struct net_device *, u32); 1170 int (*nway_reset)(struct net_device *); 1171 u32 (*get_link)(struct net_device *); 1172 int (*get_link_ext_state)(struct net_device *, 1173 struct ethtool_link_ext_state_info *); 1174 void (*get_link_ext_stats)(struct net_device *dev, 1175 struct ethtool_link_ext_stats *stats); 1176 int (*get_eeprom_len)(struct net_device *); 1177 int (*get_eeprom)(struct net_device *, 1178 struct ethtool_eeprom *, u8 *); 1179 int (*set_eeprom)(struct net_device *, 1180 struct ethtool_eeprom *, u8 *); 1181 int (*get_coalesce)(struct net_device *, 1182 struct ethtool_coalesce *, 1183 struct kernel_ethtool_coalesce *, 1184 struct netlink_ext_ack *); 1185 int (*set_coalesce)(struct net_device *, 1186 struct ethtool_coalesce *, 1187 struct kernel_ethtool_coalesce *, 1188 struct netlink_ext_ack *); 1189 void (*get_ringparam)(struct net_device *, 1190 struct ethtool_ringparam *, 1191 struct kernel_ethtool_ringparam *, 1192 struct netlink_ext_ack *); 1193 int (*set_ringparam)(struct net_device *, 1194 struct ethtool_ringparam *, 1195 struct kernel_ethtool_ringparam *, 1196 struct netlink_ext_ack *); 1197 void (*get_pause_stats)(struct net_device *dev, 1198 struct ethtool_pause_stats *pause_stats); 1199 void (*get_pauseparam)(struct net_device *, 1200 struct ethtool_pauseparam*); 1201 int (*set_pauseparam)(struct net_device *, 1202 struct ethtool_pauseparam*); 1203 void (*self_test)(struct net_device *, struct ethtool_test *, u64 *); 1204 void (*get_strings)(struct net_device *, u32 stringset, u8 *); 1205 int (*set_phys_id)(struct net_device *, enum ethtool_phys_id_state); 1206 void (*get_ethtool_stats)(struct net_device *, 1207 struct ethtool_stats *, u64 *); 1208 int (*begin)(struct net_device *); 1209 void (*complete)(struct net_device *); 1210 u32 (*get_priv_flags)(struct net_device *); 1211 int (*set_priv_flags)(struct net_device *, u32); 1212 int (*get_sset_count)(struct net_device *, int); 1213 int (*get_rxnfc)(struct net_device *, 1214 struct ethtool_rxnfc *, u32 *rule_locs); 1215 int (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *); 1216 int (*flash_device)(struct net_device *, struct ethtool_flash *); 1217 int (*reset)(struct net_device *, u32 *); 1218 u32 (*get_rx_ring_count)(struct net_device *dev); 1219 u32 (*get_rxfh_key_size)(struct net_device *); 1220 u32 (*get_rxfh_indir_size)(struct net_device *); 1221 int (*get_rxfh)(struct net_device *, struct ethtool_rxfh_param *); 1222 int (*set_rxfh)(struct net_device *, struct ethtool_rxfh_param *, 1223 struct netlink_ext_ack *extack); 1224 int (*get_rxfh_fields)(struct net_device *, 1225 struct ethtool_rxfh_fields *); 1226 int (*set_rxfh_fields)(struct net_device *, 1227 const struct ethtool_rxfh_fields *, 1228 struct netlink_ext_ack *extack); 1229 int (*create_rxfh_context)(struct net_device *, 1230 struct ethtool_rxfh_context *ctx, 1231 const struct ethtool_rxfh_param *rxfh, 1232 struct netlink_ext_ack *extack); 1233 int (*modify_rxfh_context)(struct net_device *, 1234 struct ethtool_rxfh_context *ctx, 1235 const struct ethtool_rxfh_param *rxfh, 1236 struct netlink_ext_ack *extack); 1237 int (*remove_rxfh_context)(struct net_device *, 1238 struct ethtool_rxfh_context *ctx, 1239 u32 rss_context, 1240 struct netlink_ext_ack *extack); 1241 void (*get_channels)(struct net_device *, struct ethtool_channels *); 1242 int (*set_channels)(struct net_device *, struct ethtool_channels *); 1243 int (*get_dump_flag)(struct net_device *, struct ethtool_dump *); 1244 int (*get_dump_data)(struct net_device *, 1245 struct ethtool_dump *, void *); 1246 int (*set_dump)(struct net_device *, struct ethtool_dump *); 1247 int (*get_ts_info)(struct net_device *, struct kernel_ethtool_ts_info *); 1248 void (*get_ts_stats)(struct net_device *dev, 1249 struct ethtool_ts_stats *ts_stats); 1250 int (*get_module_info)(struct net_device *, 1251 struct ethtool_modinfo *); 1252 int (*get_module_eeprom)(struct net_device *, 1253 struct ethtool_eeprom *, u8 *); 1254 int (*get_eee)(struct net_device *dev, struct ethtool_keee *eee); 1255 int (*set_eee)(struct net_device *dev, struct ethtool_keee *eee); 1256 int (*get_tunable)(struct net_device *, 1257 const struct ethtool_tunable *, void *); 1258 int (*set_tunable)(struct net_device *, 1259 const struct ethtool_tunable *, const void *); 1260 int (*get_per_queue_coalesce)(struct net_device *, u32, 1261 struct ethtool_coalesce *); 1262 int (*set_per_queue_coalesce)(struct net_device *, u32, 1263 struct ethtool_coalesce *); 1264 int (*get_link_ksettings)(struct net_device *, 1265 struct ethtool_link_ksettings *); 1266 int (*set_link_ksettings)(struct net_device *, 1267 const struct ethtool_link_ksettings *); 1268 void (*get_fec_stats)(struct net_device *dev, 1269 struct ethtool_fec_stats *fec_stats, 1270 struct ethtool_fec_hist *hist); 1271 int (*get_fecparam)(struct net_device *, 1272 struct ethtool_fecparam *); 1273 int (*set_fecparam)(struct net_device *, 1274 struct ethtool_fecparam *); 1275 void (*get_ethtool_phy_stats)(struct net_device *, 1276 struct ethtool_stats *, u64 *); 1277 int (*get_phy_tunable)(struct net_device *, 1278 const struct ethtool_tunable *, void *); 1279 int (*set_phy_tunable)(struct net_device *, 1280 const struct ethtool_tunable *, const void *); 1281 int (*get_module_eeprom_by_page)(struct net_device *dev, 1282 const struct ethtool_module_eeprom *page, 1283 struct netlink_ext_ack *extack); 1284 int (*set_module_eeprom_by_page)(struct net_device *dev, 1285 const struct ethtool_module_eeprom *page, 1286 struct netlink_ext_ack *extack); 1287 void (*get_eth_phy_stats)(struct net_device *dev, 1288 struct ethtool_eth_phy_stats *phy_stats); 1289 void (*get_eth_mac_stats)(struct net_device *dev, 1290 struct ethtool_eth_mac_stats *mac_stats); 1291 void (*get_eth_ctrl_stats)(struct net_device *dev, 1292 struct ethtool_eth_ctrl_stats *ctrl_stats); 1293 void (*get_rmon_stats)(struct net_device *dev, 1294 struct ethtool_rmon_stats *rmon_stats, 1295 const struct ethtool_rmon_hist_range **ranges); 1296 int (*get_module_power_mode)(struct net_device *dev, 1297 struct ethtool_module_power_mode_params *params, 1298 struct netlink_ext_ack *extack); 1299 int (*set_module_power_mode)(struct net_device *dev, 1300 const struct ethtool_module_power_mode_params *params, 1301 struct netlink_ext_ack *extack); 1302 int (*get_mm)(struct net_device *dev, struct ethtool_mm_state *state); 1303 int (*set_mm)(struct net_device *dev, struct ethtool_mm_cfg *cfg, 1304 struct netlink_ext_ack *extack); 1305 void (*get_mm_stats)(struct net_device *dev, struct ethtool_mm_stats *stats); 1306 }; 1307 1308 int ethtool_check_ops(const struct ethtool_ops *ops); 1309 1310 struct ethtool_rx_flow_rule { 1311 struct flow_rule *rule; 1312 unsigned long priv[]; 1313 }; 1314 1315 struct ethtool_rx_flow_spec_input { 1316 const struct ethtool_rx_flow_spec *fs; 1317 u32 rss_ctx; 1318 }; 1319 1320 struct ethtool_rx_flow_rule * 1321 ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input); 1322 void ethtool_rx_flow_rule_destroy(struct ethtool_rx_flow_rule *rule); 1323 1324 bool ethtool_virtdev_validate_cmd(const struct ethtool_link_ksettings *cmd); 1325 int ethtool_virtdev_set_link_ksettings(struct net_device *dev, 1326 const struct ethtool_link_ksettings *cmd, 1327 u32 *dev_speed, u8 *dev_duplex); 1328 1329 /** 1330 * struct ethtool_netdev_state - per-netdevice state for ethtool features 1331 * @rss_ctx: XArray of custom RSS contexts 1332 * @rss_lock: Protects entries in @rss_ctx. May be taken from 1333 * within RTNL. 1334 * @wol_enabled: Wake-on-LAN is enabled 1335 * @module_fw_flash_in_progress: Module firmware flashing is in progress. 1336 */ 1337 struct ethtool_netdev_state { 1338 struct xarray rss_ctx; 1339 struct mutex rss_lock; 1340 unsigned wol_enabled:1; 1341 unsigned module_fw_flash_in_progress:1; 1342 }; 1343 1344 struct phy_device; 1345 struct phy_tdr_config; 1346 struct phy_plca_cfg; 1347 struct phy_plca_status; 1348 1349 /** 1350 * struct ethtool_phy_ops - Optional PHY device options 1351 * @get_sset_count: Get number of strings that @get_strings will write. 1352 * @get_strings: Return a set of strings that describe the requested objects 1353 * @get_stats: Return extended statistics about the PHY device. 1354 * @get_plca_cfg: Return PLCA configuration. 1355 * @set_plca_cfg: Set PLCA configuration. 1356 * @get_plca_status: Get PLCA configuration. 1357 * @start_cable_test: Start a cable test 1358 * @start_cable_test_tdr: Start a Time Domain Reflectometry cable test 1359 * 1360 * All operations are optional (i.e. the function pointer may be set to %NULL) 1361 * and callers must take this into account. Callers must hold the RTNL lock. 1362 */ 1363 struct ethtool_phy_ops { 1364 int (*get_sset_count)(struct phy_device *dev); 1365 int (*get_strings)(struct phy_device *dev, u8 *data); 1366 int (*get_stats)(struct phy_device *dev, 1367 struct ethtool_stats *stats, u64 *data); 1368 int (*get_plca_cfg)(struct phy_device *dev, 1369 struct phy_plca_cfg *plca_cfg); 1370 int (*set_plca_cfg)(struct phy_device *dev, 1371 const struct phy_plca_cfg *plca_cfg, 1372 struct netlink_ext_ack *extack); 1373 int (*get_plca_status)(struct phy_device *dev, 1374 struct phy_plca_status *plca_st); 1375 int (*start_cable_test)(struct phy_device *phydev, 1376 struct netlink_ext_ack *extack); 1377 int (*start_cable_test_tdr)(struct phy_device *phydev, 1378 struct netlink_ext_ack *extack, 1379 const struct phy_tdr_config *config); 1380 }; 1381 1382 /** 1383 * ethtool_set_ethtool_phy_ops - Set the ethtool_phy_ops singleton 1384 * @ops: Ethtool PHY operations to set 1385 */ 1386 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops); 1387 1388 /** 1389 * ethtool_params_from_link_mode - Derive link parameters from a given link mode 1390 * @link_ksettings: Link parameters to be derived from the link mode 1391 * @link_mode: Link mode 1392 */ 1393 void 1394 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, 1395 enum ethtool_link_mode_bit_indices link_mode); 1396 1397 /** 1398 * ethtool_get_phc_vclocks - Derive phc vclocks information, and caller 1399 * is responsible to free memory of vclock_index 1400 * @dev: pointer to net_device structure 1401 * @vclock_index: pointer to pointer of vclock index 1402 * 1403 * Return: number of phc vclocks 1404 */ 1405 int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index); 1406 1407 /* Some generic methods drivers may use in their ethtool_ops */ 1408 u32 ethtool_op_get_link(struct net_device *dev); 1409 int ethtool_op_get_ts_info(struct net_device *dev, 1410 struct kernel_ethtool_ts_info *eti); 1411 1412 /** 1413 * ethtool_mm_frag_size_add_to_min - Translate (standard) additional fragment 1414 * size expressed as multiplier into (absolute) minimum fragment size 1415 * value expressed in octets 1416 * @val_add: Value of addFragSize multiplier 1417 */ 1418 static inline u32 ethtool_mm_frag_size_add_to_min(u32 val_add) 1419 { 1420 return (ETH_ZLEN + ETH_FCS_LEN) * (1 + val_add) - ETH_FCS_LEN; 1421 } 1422 1423 /** 1424 * ethtool_mm_frag_size_min_to_add - Translate (absolute) minimum fragment size 1425 * expressed in octets into (standard) additional fragment size expressed 1426 * as multiplier 1427 * @val_min: Value of addFragSize variable in octets 1428 * @val_add: Pointer where the standard addFragSize value is to be returned 1429 * @extack: Netlink extended ack 1430 * 1431 * Translate a value in octets to one of 0, 1, 2, 3 according to the reverse 1432 * application of the 802.3 formula 64 * (1 + addFragSize) - 4. To be called 1433 * by drivers which do not support programming the minimum fragment size to a 1434 * continuous range. Returns error on other fragment length values. 1435 */ 1436 static inline int ethtool_mm_frag_size_min_to_add(u32 val_min, u32 *val_add, 1437 struct netlink_ext_ack *extack) 1438 { 1439 u32 add_frag_size; 1440 1441 for (add_frag_size = 0; add_frag_size < 4; add_frag_size++) { 1442 if (ethtool_mm_frag_size_add_to_min(add_frag_size) == val_min) { 1443 *val_add = add_frag_size; 1444 return 0; 1445 } 1446 } 1447 1448 NL_SET_ERR_MSG_MOD(extack, 1449 "minFragSize required to be one of 60, 124, 188 or 252"); 1450 return -EINVAL; 1451 } 1452 1453 /** 1454 * ethtool_get_ts_info_by_layer - Obtains time stamping capabilities from the MAC or PHY layer. 1455 * @dev: pointer to net_device structure 1456 * @info: buffer to hold the result 1457 * Returns: zero on success, non-zero otherwise. 1458 */ 1459 int ethtool_get_ts_info_by_layer(struct net_device *dev, 1460 struct kernel_ethtool_ts_info *info); 1461 1462 /** 1463 * ethtool_sprintf - Write formatted string to ethtool string data 1464 * @data: Pointer to a pointer to the start of string to update 1465 * @fmt: Format of string to write 1466 * 1467 * Write formatted string to *data. Update *data to point at start of 1468 * next string. 1469 */ 1470 extern __printf(2, 3) void ethtool_sprintf(u8 **data, const char *fmt, ...); 1471 1472 /** 1473 * ethtool_puts - Write string to ethtool string data 1474 * @data: Pointer to a pointer to the start of string to update 1475 * @str: String to write 1476 * 1477 * Write string to *data without a trailing newline. Update *data 1478 * to point at start of next string. 1479 * 1480 * Prefer this function to ethtool_sprintf() when given only 1481 * two arguments or if @fmt is just "%s". 1482 */ 1483 extern void ethtool_puts(u8 **data, const char *str); 1484 1485 /** 1486 * ethtool_cpy - Write possibly-not-NUL-terminated string to ethtool string data 1487 * @data: Pointer to a pointer to the start of string to write into 1488 * @str: NUL-byte padded char array of size ETH_GSTRING_LEN to copy from 1489 */ 1490 #define ethtool_cpy(data, str) do { \ 1491 BUILD_BUG_ON(sizeof(str) != ETH_GSTRING_LEN); \ 1492 memcpy(*(data), str, ETH_GSTRING_LEN); \ 1493 *(data) += ETH_GSTRING_LEN; \ 1494 } while (0) 1495 1496 /* Link mode to forced speed capabilities maps */ 1497 struct ethtool_forced_speed_map { 1498 u32 speed; 1499 __ETHTOOL_DECLARE_LINK_MODE_MASK(caps); 1500 1501 const u32 *cap_arr; 1502 u32 arr_size; 1503 }; 1504 1505 #define ETHTOOL_FORCED_SPEED_MAP(prefix, value) \ 1506 { \ 1507 .speed = SPEED_##value, \ 1508 .cap_arr = prefix##_##value, \ 1509 .arr_size = ARRAY_SIZE(prefix##_##value), \ 1510 } 1511 1512 void 1513 ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size); 1514 #endif /* _LINUX_ETHTOOL_H */ 1515