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 <uapi/linux/ethtool.h> |
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 | #include <linux/rculist.h> |
42 | |
43 | /** |
44 | * enum ethtool_phys_id_state - indicator state for physical identification |
45 | * @ETHTOOL_ID_INACTIVE: Physical ID indicator should be deactivated |
46 | * @ETHTOOL_ID_ACTIVE: Physical ID indicator should be activated |
47 | * @ETHTOOL_ID_ON: LED should be turned on (used iff %ETHTOOL_ID_ACTIVE |
48 | * is not supported) |
49 | * @ETHTOOL_ID_OFF: LED should be turned off (used iff %ETHTOOL_ID_ACTIVE |
50 | * is not supported) |
51 | */ |
52 | enum ethtool_phys_id_state { |
53 | ETHTOOL_ID_INACTIVE, |
54 | ETHTOOL_ID_ACTIVE, |
55 | ETHTOOL_ID_ON, |
56 | ETHTOOL_ID_OFF |
57 | }; |
58 | |
59 | enum { |
60 | , /* Configurable RSS hash function - Toeplitz */ |
61 | , /* Configurable RSS hash function - Xor */ |
62 | , /* Configurable RSS hash function - Crc32 */ |
63 | |
64 | /* |
65 | * Add your fresh new hash function bits above and remember to update |
66 | * rss_hash_func_strings[] in ethtool.c |
67 | */ |
68 | |
69 | }; |
70 | |
71 | /** |
72 | * struct kernel_ethtool_ringparam - RX/TX ring configuration |
73 | * @rx_buf_len: Current length of buffers on the rx ring. |
74 | * @tcp_data_split: Scatter packet headers and data to separate buffers |
75 | * @tx_push: The flag of tx push mode |
76 | * @rx_push: The flag of rx push mode |
77 | * @cqe_size: Size of TX/RX completion queue event |
78 | * @tx_push_buf_len: Size of TX push buffer |
79 | * @tx_push_buf_max_len: Maximum allowed size of TX push buffer |
80 | */ |
81 | struct kernel_ethtool_ringparam { |
82 | u32 rx_buf_len; |
83 | u8 tcp_data_split; |
84 | u8 tx_push; |
85 | u8 rx_push; |
86 | u32 cqe_size; |
87 | u32 tx_push_buf_len; |
88 | u32 tx_push_buf_max_len; |
89 | }; |
90 | |
91 | /** |
92 | * enum ethtool_supported_ring_param - indicator caps for setting ring params |
93 | * @ETHTOOL_RING_USE_RX_BUF_LEN: capture for setting rx_buf_len |
94 | * @ETHTOOL_RING_USE_CQE_SIZE: capture for setting cqe_size |
95 | * @ETHTOOL_RING_USE_TX_PUSH: capture for setting tx_push |
96 | * @ETHTOOL_RING_USE_RX_PUSH: capture for setting rx_push |
97 | * @ETHTOOL_RING_USE_TX_PUSH_BUF_LEN: capture for setting tx_push_buf_len |
98 | */ |
99 | enum ethtool_supported_ring_param { |
100 | ETHTOOL_RING_USE_RX_BUF_LEN = BIT(0), |
101 | ETHTOOL_RING_USE_CQE_SIZE = BIT(1), |
102 | ETHTOOL_RING_USE_TX_PUSH = BIT(2), |
103 | ETHTOOL_RING_USE_RX_PUSH = BIT(3), |
104 | ETHTOOL_RING_USE_TX_PUSH_BUF_LEN = BIT(4), |
105 | }; |
106 | |
107 | #define (bit) ((u32)1 << (bit)) |
108 | #define (name) __ETH_RSS_HASH_BIT(ETH_RSS_HASH_##name##_BIT) |
109 | |
110 | #define __ETH_RSS_HASH(TOP) |
111 | #define __ETH_RSS_HASH(XOR) |
112 | #define __ETH_RSS_HASH(CRC32) |
113 | |
114 | #define 0 |
115 | #define 0 |
116 | |
117 | struct net_device; |
118 | struct netlink_ext_ack; |
119 | |
120 | /* Link extended state and substate. */ |
121 | struct ethtool_link_ext_state_info { |
122 | enum ethtool_link_ext_state link_ext_state; |
123 | union { |
124 | enum ethtool_link_ext_substate_autoneg autoneg; |
125 | enum ethtool_link_ext_substate_link_training link_training; |
126 | enum ethtool_link_ext_substate_link_logical_mismatch link_logical_mismatch; |
127 | enum ethtool_link_ext_substate_bad_signal_integrity bad_signal_integrity; |
128 | enum ethtool_link_ext_substate_cable_issue cable_issue; |
129 | enum ethtool_link_ext_substate_module module; |
130 | u32 __link_ext_substate; |
131 | }; |
132 | }; |
133 | |
134 | struct ethtool_link_ext_stats { |
135 | /* Custom Linux statistic for PHY level link down events. |
136 | * In a simpler world it should be equal to netdev->carrier_down_count |
137 | * unfortunately netdev also counts local reconfigurations which don't |
138 | * actually take the physical link down, not to mention NC-SI which, |
139 | * if present, keeps the link up regardless of host state. |
140 | * This statistic counts when PHY _actually_ went down, or lost link. |
141 | * |
142 | * Note that we need u64 for ethtool_stats_init() and comparisons |
143 | * to ETHTOOL_STAT_NOT_SET, but only u32 is exposed to the user. |
144 | */ |
145 | u64 link_down_events; |
146 | }; |
147 | |
148 | /** |
149 | * ethtool_rxfh_indir_default - get default value for RX flow hash indirection |
150 | * @index: Index in RX flow hash indirection table |
151 | * @n_rx_rings: Number of RX rings to use |
152 | * |
153 | * This function provides the default policy for RX flow hash indirection. |
154 | */ |
155 | static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings) |
156 | { |
157 | return index % n_rx_rings; |
158 | } |
159 | |
160 | /* declare a link mode bitmap */ |
161 | #define __ETHTOOL_DECLARE_LINK_MODE_MASK(name) \ |
162 | DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS) |
163 | |
164 | /* drivers must ignore base.cmd and base.link_mode_masks_nwords |
165 | * fields, but they are allowed to overwrite them (will be ignored). |
166 | */ |
167 | struct ethtool_link_ksettings { |
168 | struct ethtool_link_settings base; |
169 | struct { |
170 | __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); |
171 | __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); |
172 | __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); |
173 | } link_modes; |
174 | u32 lanes; |
175 | }; |
176 | |
177 | /** |
178 | * ethtool_link_ksettings_zero_link_mode - clear link_ksettings link mode mask |
179 | * @ptr : pointer to struct ethtool_link_ksettings |
180 | * @name : one of supported/advertising/lp_advertising |
181 | */ |
182 | #define ethtool_link_ksettings_zero_link_mode(ptr, name) \ |
183 | bitmap_zero((ptr)->link_modes.name, __ETHTOOL_LINK_MODE_MASK_NBITS) |
184 | |
185 | /** |
186 | * ethtool_link_ksettings_add_link_mode - set bit in link_ksettings |
187 | * link mode mask |
188 | * @ptr : pointer to struct ethtool_link_ksettings |
189 | * @name : one of supported/advertising/lp_advertising |
190 | * @mode : one of the ETHTOOL_LINK_MODE_*_BIT |
191 | * (not atomic, no bound checking) |
192 | */ |
193 | #define ethtool_link_ksettings_add_link_mode(ptr, name, mode) \ |
194 | __set_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name) |
195 | |
196 | /** |
197 | * ethtool_link_ksettings_del_link_mode - clear bit in link_ksettings |
198 | * link mode mask |
199 | * @ptr : pointer to struct ethtool_link_ksettings |
200 | * @name : one of supported/advertising/lp_advertising |
201 | * @mode : one of the ETHTOOL_LINK_MODE_*_BIT |
202 | * (not atomic, no bound checking) |
203 | */ |
204 | #define ethtool_link_ksettings_del_link_mode(ptr, name, mode) \ |
205 | __clear_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name) |
206 | |
207 | /** |
208 | * ethtool_link_ksettings_test_link_mode - test bit in ksettings link mode mask |
209 | * @ptr : pointer to struct ethtool_link_ksettings |
210 | * @name : one of supported/advertising/lp_advertising |
211 | * @mode : one of the ETHTOOL_LINK_MODE_*_BIT |
212 | * (not atomic, no bound checking) |
213 | * |
214 | * Returns true/false. |
215 | */ |
216 | #define ethtool_link_ksettings_test_link_mode(ptr, name, mode) \ |
217 | test_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name) |
218 | |
219 | extern int |
220 | __ethtool_get_link_ksettings(struct net_device *dev, |
221 | struct ethtool_link_ksettings *link_ksettings); |
222 | |
223 | struct kernel_ethtool_coalesce { |
224 | u8 use_cqe_mode_tx; |
225 | u8 use_cqe_mode_rx; |
226 | u32 tx_aggr_max_bytes; |
227 | u32 tx_aggr_max_frames; |
228 | u32 tx_aggr_time_usecs; |
229 | }; |
230 | |
231 | /** |
232 | * ethtool_intersect_link_masks - Given two link masks, AND them together |
233 | * @dst: first mask and where result is stored |
234 | * @src: second mask to intersect with |
235 | * |
236 | * Given two link mode masks, AND them together and save the result in dst. |
237 | */ |
238 | void ethtool_intersect_link_masks(struct ethtool_link_ksettings *dst, |
239 | struct ethtool_link_ksettings *src); |
240 | |
241 | void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst, |
242 | u32 legacy_u32); |
243 | |
244 | /* return false if src had higher bits set. lower bits always updated. */ |
245 | bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, |
246 | const unsigned long *src); |
247 | |
248 | #define ETHTOOL_COALESCE_RX_USECS BIT(0) |
249 | #define ETHTOOL_COALESCE_RX_MAX_FRAMES BIT(1) |
250 | #define ETHTOOL_COALESCE_RX_USECS_IRQ BIT(2) |
251 | #define ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ BIT(3) |
252 | #define ETHTOOL_COALESCE_TX_USECS BIT(4) |
253 | #define ETHTOOL_COALESCE_TX_MAX_FRAMES BIT(5) |
254 | #define ETHTOOL_COALESCE_TX_USECS_IRQ BIT(6) |
255 | #define ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ BIT(7) |
256 | #define ETHTOOL_COALESCE_STATS_BLOCK_USECS BIT(8) |
257 | #define ETHTOOL_COALESCE_USE_ADAPTIVE_RX BIT(9) |
258 | #define ETHTOOL_COALESCE_USE_ADAPTIVE_TX BIT(10) |
259 | #define ETHTOOL_COALESCE_PKT_RATE_LOW BIT(11) |
260 | #define ETHTOOL_COALESCE_RX_USECS_LOW BIT(12) |
261 | #define ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW BIT(13) |
262 | #define ETHTOOL_COALESCE_TX_USECS_LOW BIT(14) |
263 | #define ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW BIT(15) |
264 | #define ETHTOOL_COALESCE_PKT_RATE_HIGH BIT(16) |
265 | #define ETHTOOL_COALESCE_RX_USECS_HIGH BIT(17) |
266 | #define ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH BIT(18) |
267 | #define ETHTOOL_COALESCE_TX_USECS_HIGH BIT(19) |
268 | #define ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH BIT(20) |
269 | #define ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL BIT(21) |
270 | #define ETHTOOL_COALESCE_USE_CQE_RX BIT(22) |
271 | #define ETHTOOL_COALESCE_USE_CQE_TX BIT(23) |
272 | #define ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES BIT(24) |
273 | #define ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES BIT(25) |
274 | #define ETHTOOL_COALESCE_TX_AGGR_TIME_USECS BIT(26) |
275 | #define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(26, 0) |
276 | |
277 | #define ETHTOOL_COALESCE_USECS \ |
278 | (ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_TX_USECS) |
279 | #define ETHTOOL_COALESCE_MAX_FRAMES \ |
280 | (ETHTOOL_COALESCE_RX_MAX_FRAMES | ETHTOOL_COALESCE_TX_MAX_FRAMES) |
281 | #define ETHTOOL_COALESCE_USECS_IRQ \ |
282 | (ETHTOOL_COALESCE_RX_USECS_IRQ | ETHTOOL_COALESCE_TX_USECS_IRQ) |
283 | #define ETHTOOL_COALESCE_MAX_FRAMES_IRQ \ |
284 | (ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ | \ |
285 | ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ) |
286 | #define ETHTOOL_COALESCE_USE_ADAPTIVE \ |
287 | (ETHTOOL_COALESCE_USE_ADAPTIVE_RX | ETHTOOL_COALESCE_USE_ADAPTIVE_TX) |
288 | #define ETHTOOL_COALESCE_USECS_LOW_HIGH \ |
289 | (ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_TX_USECS_LOW | \ |
290 | ETHTOOL_COALESCE_RX_USECS_HIGH | ETHTOOL_COALESCE_TX_USECS_HIGH) |
291 | #define ETHTOOL_COALESCE_MAX_FRAMES_LOW_HIGH \ |
292 | (ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW | \ |
293 | ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW | \ |
294 | ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH | \ |
295 | ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH) |
296 | #define ETHTOOL_COALESCE_PKT_RATE_RX_USECS \ |
297 | (ETHTOOL_COALESCE_USE_ADAPTIVE_RX | \ |
298 | ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_RX_USECS_HIGH | \ |
299 | ETHTOOL_COALESCE_PKT_RATE_LOW | ETHTOOL_COALESCE_PKT_RATE_HIGH | \ |
300 | ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL) |
301 | #define ETHTOOL_COALESCE_USE_CQE \ |
302 | (ETHTOOL_COALESCE_USE_CQE_RX | ETHTOOL_COALESCE_USE_CQE_TX) |
303 | #define ETHTOOL_COALESCE_TX_AGGR \ |
304 | (ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES | \ |
305 | ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES | \ |
306 | ETHTOOL_COALESCE_TX_AGGR_TIME_USECS) |
307 | |
308 | #define ETHTOOL_STAT_NOT_SET (~0ULL) |
309 | |
310 | static inline void ethtool_stats_init(u64 *stats, unsigned int n) |
311 | { |
312 | while (n--) |
313 | stats[n] = ETHTOOL_STAT_NOT_SET; |
314 | } |
315 | |
316 | /* Basic IEEE 802.3 MAC statistics (30.3.1.1.*), not otherwise exposed |
317 | * via a more targeted API. |
318 | */ |
319 | struct ethtool_eth_mac_stats { |
320 | enum ethtool_mac_stats_src src; |
321 | struct_group(stats, |
322 | u64 FramesTransmittedOK; |
323 | u64 SingleCollisionFrames; |
324 | u64 MultipleCollisionFrames; |
325 | u64 FramesReceivedOK; |
326 | u64 FrameCheckSequenceErrors; |
327 | u64 AlignmentErrors; |
328 | u64 OctetsTransmittedOK; |
329 | u64 FramesWithDeferredXmissions; |
330 | u64 LateCollisions; |
331 | u64 FramesAbortedDueToXSColls; |
332 | u64 FramesLostDueToIntMACXmitError; |
333 | u64 CarrierSenseErrors; |
334 | u64 OctetsReceivedOK; |
335 | u64 FramesLostDueToIntMACRcvError; |
336 | u64 MulticastFramesXmittedOK; |
337 | u64 BroadcastFramesXmittedOK; |
338 | u64 FramesWithExcessiveDeferral; |
339 | u64 MulticastFramesReceivedOK; |
340 | u64 BroadcastFramesReceivedOK; |
341 | u64 InRangeLengthErrors; |
342 | u64 OutOfRangeLengthField; |
343 | u64 FrameTooLongErrors; |
344 | ); |
345 | }; |
346 | |
347 | /* Basic IEEE 802.3 PHY statistics (30.3.2.1.*), not otherwise exposed |
348 | * via a more targeted API. |
349 | */ |
350 | struct ethtool_eth_phy_stats { |
351 | enum ethtool_mac_stats_src src; |
352 | struct_group(stats, |
353 | u64 SymbolErrorDuringCarrier; |
354 | ); |
355 | }; |
356 | |
357 | /* Basic IEEE 802.3 MAC Ctrl statistics (30.3.3.*), not otherwise exposed |
358 | * via a more targeted API. |
359 | */ |
360 | struct ethtool_eth_ctrl_stats { |
361 | enum ethtool_mac_stats_src src; |
362 | struct_group(stats, |
363 | u64 MACControlFramesTransmitted; |
364 | u64 MACControlFramesReceived; |
365 | u64 UnsupportedOpcodesReceived; |
366 | ); |
367 | }; |
368 | |
369 | /** |
370 | * struct ethtool_pause_stats - statistics for IEEE 802.3x pause frames |
371 | * @src: input field denoting whether stats should be queried from the eMAC or |
372 | * pMAC (if the MM layer is supported). To be ignored otherwise. |
373 | * @tx_pause_frames: transmitted pause frame count. Reported to user space |
374 | * as %ETHTOOL_A_PAUSE_STAT_TX_FRAMES. |
375 | * |
376 | * Equivalent to `30.3.4.2 aPAUSEMACCtrlFramesTransmitted` |
377 | * from the standard. |
378 | * |
379 | * @rx_pause_frames: received pause frame count. Reported to user space |
380 | * as %ETHTOOL_A_PAUSE_STAT_RX_FRAMES. Equivalent to: |
381 | * |
382 | * Equivalent to `30.3.4.3 aPAUSEMACCtrlFramesReceived` |
383 | * from the standard. |
384 | */ |
385 | struct ethtool_pause_stats { |
386 | enum ethtool_mac_stats_src src; |
387 | struct_group(stats, |
388 | u64 tx_pause_frames; |
389 | u64 rx_pause_frames; |
390 | ); |
391 | }; |
392 | |
393 | #define ETHTOOL_MAX_LANES 8 |
394 | |
395 | /** |
396 | * struct ethtool_fec_stats - statistics for IEEE 802.3 FEC |
397 | * @corrected_blocks: number of received blocks corrected by FEC |
398 | * Reported to user space as %ETHTOOL_A_FEC_STAT_CORRECTED. |
399 | * |
400 | * Equivalent to `30.5.1.1.17 aFECCorrectedBlocks` from the standard. |
401 | * |
402 | * @uncorrectable_blocks: number of received blocks FEC was not able to correct |
403 | * Reported to user space as %ETHTOOL_A_FEC_STAT_UNCORR. |
404 | * |
405 | * Equivalent to `30.5.1.1.18 aFECUncorrectableBlocks` from the standard. |
406 | * |
407 | * @corrected_bits: number of bits corrected by FEC |
408 | * Similar to @corrected_blocks but counts individual bit changes, |
409 | * not entire FEC data blocks. This is a non-standard statistic. |
410 | * Reported to user space as %ETHTOOL_A_FEC_STAT_CORR_BITS. |
411 | * |
412 | * @lane: per-lane/PCS-instance counts as defined by the standard |
413 | * @total: error counts for the entire port, for drivers incapable of reporting |
414 | * per-lane stats |
415 | * |
416 | * Drivers should fill in either only total or per-lane statistics, core |
417 | * will take care of adding lane values up to produce the total. |
418 | */ |
419 | struct ethtool_fec_stats { |
420 | struct ethtool_fec_stat { |
421 | u64 total; |
422 | u64 lanes[ETHTOOL_MAX_LANES]; |
423 | } corrected_blocks, uncorrectable_blocks, corrected_bits; |
424 | }; |
425 | |
426 | /** |
427 | * struct ethtool_rmon_hist_range - byte range for histogram statistics |
428 | * @low: low bound of the bucket (inclusive) |
429 | * @high: high bound of the bucket (inclusive) |
430 | */ |
431 | struct ethtool_rmon_hist_range { |
432 | u16 low; |
433 | u16 high; |
434 | }; |
435 | |
436 | #define ETHTOOL_RMON_HIST_MAX 10 |
437 | |
438 | /** |
439 | * struct ethtool_rmon_stats - selected RMON (RFC 2819) statistics |
440 | * @src: input field denoting whether stats should be queried from the eMAC or |
441 | * pMAC (if the MM layer is supported). To be ignored otherwise. |
442 | * @undersize_pkts: Equivalent to `etherStatsUndersizePkts` from the RFC. |
443 | * @oversize_pkts: Equivalent to `etherStatsOversizePkts` from the RFC. |
444 | * @fragments: Equivalent to `etherStatsFragments` from the RFC. |
445 | * @jabbers: Equivalent to `etherStatsJabbers` from the RFC. |
446 | * @hist: Packet counter for packet length buckets (e.g. |
447 | * `etherStatsPkts128to255Octets` from the RFC). |
448 | * @hist_tx: Tx counters in similar form to @hist, not defined in the RFC. |
449 | * |
450 | * Selection of RMON (RFC 2819) statistics which are not exposed via different |
451 | * APIs, primarily the packet-length-based counters. |
452 | * Unfortunately different designs choose different buckets beyond |
453 | * the 1024B mark (jumbo frame teritory), so the definition of the bucket |
454 | * ranges is left to the driver. |
455 | */ |
456 | struct ethtool_rmon_stats { |
457 | enum ethtool_mac_stats_src src; |
458 | struct_group(stats, |
459 | u64 undersize_pkts; |
460 | u64 oversize_pkts; |
461 | u64 fragments; |
462 | u64 jabbers; |
463 | |
464 | u64 hist[ETHTOOL_RMON_HIST_MAX]; |
465 | u64 hist_tx[ETHTOOL_RMON_HIST_MAX]; |
466 | ); |
467 | }; |
468 | |
469 | #define ETH_MODULE_EEPROM_PAGE_LEN 128 |
470 | #define ETH_MODULE_MAX_I2C_ADDRESS 0x7f |
471 | |
472 | /** |
473 | * struct ethtool_module_eeprom - EEPROM dump from specified page |
474 | * @offset: Offset within the specified EEPROM page to begin read, in bytes. |
475 | * @length: Number of bytes to read. |
476 | * @page: Page number to read from. |
477 | * @bank: Page bank number to read from, if applicable by EEPROM spec. |
478 | * @i2c_address: I2C address of a page. Value less than 0x7f expected. Most |
479 | * EEPROMs use 0x50 or 0x51. |
480 | * @data: Pointer to buffer with EEPROM data of @length size. |
481 | * |
482 | * This can be used to manage pages during EEPROM dump in ethtool and pass |
483 | * required information to the driver. |
484 | */ |
485 | struct ethtool_module_eeprom { |
486 | u32 offset; |
487 | u32 length; |
488 | u8 page; |
489 | u8 bank; |
490 | u8 i2c_address; |
491 | u8 *data; |
492 | }; |
493 | |
494 | /** |
495 | * struct ethtool_module_power_mode_params - module power mode parameters |
496 | * @policy: The power mode policy enforced by the host for the plug-in module. |
497 | * @mode: The operational power mode of the plug-in module. Should be filled by |
498 | * device drivers on get operations. |
499 | */ |
500 | struct ethtool_module_power_mode_params { |
501 | enum ethtool_module_power_mode_policy policy; |
502 | enum ethtool_module_power_mode mode; |
503 | }; |
504 | |
505 | /** |
506 | * struct ethtool_mm_state - 802.3 MAC merge layer state |
507 | * @verify_time: |
508 | * wait time between verification attempts in ms (according to clause |
509 | * 30.14.1.6 aMACMergeVerifyTime) |
510 | * @max_verify_time: |
511 | * maximum accepted value for the @verify_time variable in set requests |
512 | * @verify_status: |
513 | * state of the verification state machine of the MM layer (according to |
514 | * clause 30.14.1.2 aMACMergeStatusVerify) |
515 | * @tx_enabled: |
516 | * set if the MM layer is administratively enabled in the TX direction |
517 | * (according to clause 30.14.1.3 aMACMergeEnableTx) |
518 | * @tx_active: |
519 | * set if the MM layer is enabled in the TX direction, which makes FP |
520 | * possible (according to 30.14.1.5 aMACMergeStatusTx). This should be |
521 | * true if MM is enabled, and the verification status is either verified, |
522 | * or disabled. |
523 | * @pmac_enabled: |
524 | * set if the preemptible MAC is powered on and is able to receive |
525 | * preemptible packets and respond to verification frames. |
526 | * @verify_enabled: |
527 | * set if the Verify function of the MM layer (which sends SMD-V |
528 | * verification requests) is administratively enabled (regardless of |
529 | * whether it is currently in the ETHTOOL_MM_VERIFY_STATUS_DISABLED state |
530 | * or not), according to clause 30.14.1.4 aMACMergeVerifyDisableTx (but |
531 | * using positive rather than negative logic). The device should always |
532 | * respond to received SMD-V requests as long as @pmac_enabled is set. |
533 | * @tx_min_frag_size: |
534 | * the minimum size of non-final mPacket fragments that the link partner |
535 | * supports receiving, expressed in octets. Compared to the definition |
536 | * from clause 30.14.1.7 aMACMergeAddFragSize which is expressed in the |
537 | * range 0 to 3 (requiring a translation to the size in octets according |
538 | * to the formula 64 * (1 + addFragSize) - 4), a value in a continuous and |
539 | * unbounded range can be specified here. |
540 | * @rx_min_frag_size: |
541 | * the minimum size of non-final mPacket fragments that this device |
542 | * supports receiving, expressed in octets. |
543 | */ |
544 | struct ethtool_mm_state { |
545 | u32 verify_time; |
546 | u32 max_verify_time; |
547 | enum ethtool_mm_verify_status verify_status; |
548 | bool tx_enabled; |
549 | bool tx_active; |
550 | bool pmac_enabled; |
551 | bool verify_enabled; |
552 | u32 tx_min_frag_size; |
553 | u32 rx_min_frag_size; |
554 | }; |
555 | |
556 | /** |
557 | * struct ethtool_mm_cfg - 802.3 MAC merge layer configuration |
558 | * @verify_time: see struct ethtool_mm_state |
559 | * @verify_enabled: see struct ethtool_mm_state |
560 | * @tx_enabled: see struct ethtool_mm_state |
561 | * @pmac_enabled: see struct ethtool_mm_state |
562 | * @tx_min_frag_size: see struct ethtool_mm_state |
563 | */ |
564 | struct ethtool_mm_cfg { |
565 | u32 verify_time; |
566 | bool verify_enabled; |
567 | bool tx_enabled; |
568 | bool pmac_enabled; |
569 | u32 tx_min_frag_size; |
570 | }; |
571 | |
572 | /** |
573 | * struct ethtool_mm_stats - 802.3 MAC merge layer statistics |
574 | * @MACMergeFrameAssErrorCount: |
575 | * received MAC frames with reassembly errors |
576 | * @MACMergeFrameSmdErrorCount: |
577 | * received MAC frames/fragments rejected due to unknown or incorrect SMD |
578 | * @MACMergeFrameAssOkCount: |
579 | * received MAC frames that were successfully reassembled and passed up |
580 | * @MACMergeFragCountRx: |
581 | * number of additional correct SMD-C mPackets received due to preemption |
582 | * @MACMergeFragCountTx: |
583 | * number of additional mPackets sent due to preemption |
584 | * @MACMergeHoldCount: |
585 | * number of times the MM layer entered the HOLD state, which blocks |
586 | * transmission of preemptible traffic |
587 | */ |
588 | struct ethtool_mm_stats { |
589 | u64 MACMergeFrameAssErrorCount; |
590 | u64 MACMergeFrameSmdErrorCount; |
591 | u64 MACMergeFrameAssOkCount; |
592 | u64 MACMergeFragCountRx; |
593 | u64 MACMergeFragCountTx; |
594 | u64 MACMergeHoldCount; |
595 | }; |
596 | |
597 | /** |
598 | * struct ethtool_ops - optional netdev operations |
599 | * @cap_link_lanes_supported: indicates if the driver supports lanes |
600 | * parameter. |
601 | * @supported_coalesce_params: supported types of interrupt coalescing. |
602 | * @supported_ring_params: supported ring params. |
603 | * @get_drvinfo: Report driver/device information. Modern drivers no |
604 | * longer have to implement this callback. Most fields are |
605 | * correctly filled in by the core using system information, or |
606 | * populated using other driver operations. |
607 | * @get_regs_len: Get buffer length required for @get_regs |
608 | * @get_regs: Get device registers |
609 | * @get_wol: Report whether Wake-on-Lan is enabled |
610 | * @set_wol: Turn Wake-on-Lan on or off. Returns a negative error code |
611 | * or zero. |
612 | * @get_msglevel: Report driver message level. This should be the value |
613 | * of the @msg_enable field used by netif logging functions. |
614 | * @set_msglevel: Set driver message level |
615 | * @nway_reset: Restart autonegotiation. Returns a negative error code |
616 | * or zero. |
617 | * @get_link: Report whether physical link is up. Will only be called if |
618 | * the netdev is up. Should usually be set to ethtool_op_get_link(), |
619 | * which uses netif_carrier_ok(). |
620 | * @get_link_ext_state: Report link extended state. Should set link_ext_state and |
621 | * link_ext_substate (link_ext_substate of 0 means link_ext_substate is unknown, |
622 | * do not attach ext_substate attribute to netlink message). If link_ext_state |
623 | * and link_ext_substate are unknown, return -ENODATA. If not implemented, |
624 | * link_ext_state and link_ext_substate will not be sent to userspace. |
625 | * @get_link_ext_stats: Read extra link-related counters. |
626 | * @get_eeprom_len: Read range of EEPROM addresses for validation of |
627 | * @get_eeprom and @set_eeprom requests. |
628 | * Returns 0 if device does not support EEPROM access. |
629 | * @get_eeprom: Read data from the device EEPROM. |
630 | * Should fill in the magic field. Don't need to check len for zero |
631 | * or wraparound. Fill in the data argument with the eeprom values |
632 | * from offset to offset + len. Update len to the amount read. |
633 | * Returns an error or zero. |
634 | * @set_eeprom: Write data to the device EEPROM. |
635 | * Should validate the magic field. Don't need to check len for zero |
636 | * or wraparound. Update len to the amount written. Returns an error |
637 | * or zero. |
638 | * @get_coalesce: Get interrupt coalescing parameters. Returns a negative |
639 | * error code or zero. |
640 | * @set_coalesce: Set interrupt coalescing parameters. Supported coalescing |
641 | * types should be set in @supported_coalesce_params. |
642 | * Returns a negative error code or zero. |
643 | * @get_ringparam: Report ring sizes |
644 | * @set_ringparam: Set ring sizes. Returns a negative error code or zero. |
645 | * @get_pause_stats: Report pause frame statistics. Drivers must not zero |
646 | * statistics which they don't report. The stats structure is initialized |
647 | * to ETHTOOL_STAT_NOT_SET indicating driver does not report statistics. |
648 | * @get_pauseparam: Report pause parameters |
649 | * @set_pauseparam: Set pause parameters. Returns a negative error code |
650 | * or zero. |
651 | * @self_test: Run specified self-tests |
652 | * @get_strings: Return a set of strings that describe the requested objects |
653 | * @set_phys_id: Identify the physical devices, e.g. by flashing an LED |
654 | * attached to it. The implementation may update the indicator |
655 | * asynchronously or synchronously, but in either case it must return |
656 | * quickly. It is initially called with the argument %ETHTOOL_ID_ACTIVE, |
657 | * and must either activate asynchronous updates and return zero, return |
658 | * a negative error or return a positive frequency for synchronous |
659 | * indication (e.g. 1 for one on/off cycle per second). If it returns |
660 | * a frequency then it will be called again at intervals with the |
661 | * argument %ETHTOOL_ID_ON or %ETHTOOL_ID_OFF and should set the state of |
662 | * the indicator accordingly. Finally, it is called with the argument |
663 | * %ETHTOOL_ID_INACTIVE and must deactivate the indicator. Returns a |
664 | * negative error code or zero. |
665 | * @get_ethtool_stats: Return extended statistics about the device. |
666 | * This is only useful if the device maintains statistics not |
667 | * included in &struct rtnl_link_stats64. |
668 | * @begin: Function to be called before any other operation. Returns a |
669 | * negative error code or zero. |
670 | * @complete: Function to be called after any other operation except |
671 | * @begin. Will be called even if the other operation failed. |
672 | * @get_priv_flags: Report driver-specific feature flags. |
673 | * @set_priv_flags: Set driver-specific feature flags. Returns a negative |
674 | * error code or zero. |
675 | * @get_sset_count: Get number of strings that @get_strings will write. |
676 | * @get_rxnfc: Get RX flow classification rules. Returns a negative |
677 | * error code or zero. |
678 | * @set_rxnfc: Set RX flow classification rules. Returns a negative |
679 | * error code or zero. |
680 | * @flash_device: Write a firmware image to device's flash memory. |
681 | * Returns a negative error code or zero. |
682 | * @reset: Reset (part of) the device, as specified by a bitmask of |
683 | * flags from &enum ethtool_reset_flags. Returns a negative |
684 | * error code or zero. |
685 | * @get_rxfh_key_size: Get the size of the RX flow hash key. |
686 | * Returns zero if not supported for this specific device. |
687 | * @get_rxfh_indir_size: Get the size of the RX flow hash indirection table. |
688 | * Returns zero if not supported for this specific device. |
689 | * @get_rxfh: Get the contents of the RX flow hash indirection table, hash key |
690 | * and/or hash function. |
691 | * Returns a negative error code or zero. |
692 | * @set_rxfh: Set the contents of the RX flow hash indirection table, hash |
693 | * key, and/or hash function. Arguments which are set to %NULL or zero |
694 | * will remain unchanged. |
695 | * Returns a negative error code or zero. An error code must be returned |
696 | * if at least one unsupported change was requested. |
697 | * @get_rxfh_context: Get the contents of the RX flow hash indirection table, |
698 | * hash key, and/or hash function assiciated to the given rss context. |
699 | * Returns a negative error code or zero. |
700 | * @set_rxfh_context: Create, remove and configure RSS contexts. Allows setting |
701 | * the contents of the RX flow hash indirection table, hash key, and/or |
702 | * hash function associated to the given context. Arguments which are set |
703 | * to %NULL or zero will remain unchanged. |
704 | * Returns a negative error code or zero. An error code must be returned |
705 | * if at least one unsupported change was requested. |
706 | * @get_channels: Get number of channels. |
707 | * @set_channels: Set number of channels. Returns a negative error code or |
708 | * zero. |
709 | * @get_dump_flag: Get dump flag indicating current dump length, version, |
710 | * and flag of the device. |
711 | * @get_dump_data: Get dump data. |
712 | * @set_dump: Set dump specific flags to the device. |
713 | * @get_ts_info: Get the time stamping and PTP hardware clock capabilities. |
714 | * It may be called with RCU, or rtnl or reference on the device. |
715 | * Drivers supporting transmit time stamps in software should set this to |
716 | * ethtool_op_get_ts_info(). |
717 | * @get_module_info: Get the size and type of the eeprom contained within |
718 | * a plug-in module. |
719 | * @get_module_eeprom: Get the eeprom information from the plug-in module |
720 | * @get_eee: Get Energy-Efficient (EEE) supported and status. |
721 | * @set_eee: Set EEE status (enable/disable) as well as LPI timers. |
722 | * @get_tunable: Read the value of a driver / device tunable. |
723 | * @set_tunable: Set the value of a driver / device tunable. |
724 | * @get_per_queue_coalesce: Get interrupt coalescing parameters per queue. |
725 | * It must check that the given queue number is valid. If neither a RX nor |
726 | * a TX queue has this number, return -EINVAL. If only a RX queue or a TX |
727 | * queue has this number, set the inapplicable fields to ~0 and return 0. |
728 | * Returns a negative error code or zero. |
729 | * @set_per_queue_coalesce: Set interrupt coalescing parameters per queue. |
730 | * It must check that the given queue number is valid. If neither a RX nor |
731 | * a TX queue has this number, return -EINVAL. If only a RX queue or a TX |
732 | * queue has this number, ignore the inapplicable fields. Supported |
733 | * coalescing types should be set in @supported_coalesce_params. |
734 | * Returns a negative error code or zero. |
735 | * @get_link_ksettings: Get various device settings including Ethernet link |
736 | * settings. The %cmd and %link_mode_masks_nwords fields should be |
737 | * ignored (use %__ETHTOOL_LINK_MODE_MASK_NBITS instead of the latter), |
738 | * any change to them will be overwritten by kernel. Returns a negative |
739 | * error code or zero. |
740 | * @set_link_ksettings: Set various device settings including Ethernet link |
741 | * settings. The %cmd and %link_mode_masks_nwords fields should be |
742 | * ignored (use %__ETHTOOL_LINK_MODE_MASK_NBITS instead of the latter), |
743 | * any change to them will be overwritten by kernel. Returns a negative |
744 | * error code or zero. |
745 | * @get_fec_stats: Report FEC statistics. |
746 | * Core will sum up per-lane stats to get the total. |
747 | * Drivers must not zero statistics which they don't report. The stats |
748 | * structure is initialized to ETHTOOL_STAT_NOT_SET indicating driver does |
749 | * not report statistics. |
750 | * @get_fecparam: Get the network device Forward Error Correction parameters. |
751 | * @set_fecparam: Set the network device Forward Error Correction parameters. |
752 | * @get_ethtool_phy_stats: Return extended statistics about the PHY device. |
753 | * This is only useful if the device maintains PHY statistics and |
754 | * cannot use the standard PHY library helpers. |
755 | * @get_phy_tunable: Read the value of a PHY tunable. |
756 | * @set_phy_tunable: Set the value of a PHY tunable. |
757 | * @get_module_eeprom_by_page: Get a region of plug-in module EEPROM data from |
758 | * specified page. Returns a negative error code or the amount of bytes |
759 | * read. |
760 | * @get_eth_phy_stats: Query some of the IEEE 802.3 PHY statistics. |
761 | * @get_eth_mac_stats: Query some of the IEEE 802.3 MAC statistics. |
762 | * @get_eth_ctrl_stats: Query some of the IEEE 802.3 MAC Ctrl statistics. |
763 | * @get_rmon_stats: Query some of the RMON (RFC 2819) statistics. |
764 | * Set %ranges to a pointer to zero-terminated array of byte ranges. |
765 | * @get_module_power_mode: Get the power mode policy for the plug-in module |
766 | * used by the network device and its operational power mode, if |
767 | * plugged-in. |
768 | * @set_module_power_mode: Set the power mode policy for the plug-in module |
769 | * used by the network device. |
770 | * @get_mm: Query the 802.3 MAC Merge layer state. |
771 | * @set_mm: Set the 802.3 MAC Merge layer parameters. |
772 | * @get_mm_stats: Query the 802.3 MAC Merge layer statistics. |
773 | * |
774 | * All operations are optional (i.e. the function pointer may be set |
775 | * to %NULL) and callers must take this into account. Callers must |
776 | * hold the RTNL lock. |
777 | * |
778 | * See the structures used by these operations for further documentation. |
779 | * Note that for all operations using a structure ending with a zero- |
780 | * length array, the array is allocated separately in the kernel and |
781 | * is passed to the driver as an additional parameter. |
782 | * |
783 | * See &struct net_device and &struct net_device_ops for documentation |
784 | * of the generic netdev features interface. |
785 | */ |
786 | struct ethtool_ops { |
787 | u32 cap_link_lanes_supported:1; |
788 | u32 supported_coalesce_params; |
789 | u32 supported_ring_params; |
790 | void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *); |
791 | int (*get_regs_len)(struct net_device *); |
792 | void (*get_regs)(struct net_device *, struct ethtool_regs *, void *); |
793 | void (*get_wol)(struct net_device *, struct ethtool_wolinfo *); |
794 | int (*set_wol)(struct net_device *, struct ethtool_wolinfo *); |
795 | u32 (*get_msglevel)(struct net_device *); |
796 | void (*set_msglevel)(struct net_device *, u32); |
797 | int (*nway_reset)(struct net_device *); |
798 | u32 (*get_link)(struct net_device *); |
799 | int (*get_link_ext_state)(struct net_device *, |
800 | struct ethtool_link_ext_state_info *); |
801 | void (*get_link_ext_stats)(struct net_device *dev, |
802 | struct ethtool_link_ext_stats *stats); |
803 | int (*get_eeprom_len)(struct net_device *); |
804 | int (*get_eeprom)(struct net_device *, |
805 | struct ethtool_eeprom *, u8 *); |
806 | int (*set_eeprom)(struct net_device *, |
807 | struct ethtool_eeprom *, u8 *); |
808 | int (*get_coalesce)(struct net_device *, |
809 | struct ethtool_coalesce *, |
810 | struct kernel_ethtool_coalesce *, |
811 | struct netlink_ext_ack *); |
812 | int (*set_coalesce)(struct net_device *, |
813 | struct ethtool_coalesce *, |
814 | struct kernel_ethtool_coalesce *, |
815 | struct netlink_ext_ack *); |
816 | void (*get_ringparam)(struct net_device *, |
817 | struct ethtool_ringparam *, |
818 | struct kernel_ethtool_ringparam *, |
819 | struct netlink_ext_ack *); |
820 | int (*set_ringparam)(struct net_device *, |
821 | struct ethtool_ringparam *, |
822 | struct kernel_ethtool_ringparam *, |
823 | struct netlink_ext_ack *); |
824 | void (*get_pause_stats)(struct net_device *dev, |
825 | struct ethtool_pause_stats *pause_stats); |
826 | void (*get_pauseparam)(struct net_device *, |
827 | struct ethtool_pauseparam*); |
828 | int (*set_pauseparam)(struct net_device *, |
829 | struct ethtool_pauseparam*); |
830 | void (*self_test)(struct net_device *, struct ethtool_test *, u64 *); |
831 | void (*get_strings)(struct net_device *, u32 stringset, u8 *); |
832 | int (*set_phys_id)(struct net_device *, enum ethtool_phys_id_state); |
833 | void (*get_ethtool_stats)(struct net_device *, |
834 | struct ethtool_stats *, u64 *); |
835 | int (*begin)(struct net_device *); |
836 | void (*complete)(struct net_device *); |
837 | u32 (*get_priv_flags)(struct net_device *); |
838 | int (*set_priv_flags)(struct net_device *, u32); |
839 | int (*get_sset_count)(struct net_device *, int); |
840 | int (*get_rxnfc)(struct net_device *, |
841 | struct ethtool_rxnfc *, u32 *rule_locs); |
842 | int (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *); |
843 | int (*flash_device)(struct net_device *, struct ethtool_flash *); |
844 | int (*reset)(struct net_device *, u32 *); |
845 | u32 (*get_rxfh_key_size)(struct net_device *); |
846 | u32 (*get_rxfh_indir_size)(struct net_device *); |
847 | int (*get_rxfh)(struct net_device *, u32 *indir, u8 *key, |
848 | u8 *hfunc); |
849 | int (*set_rxfh)(struct net_device *, const u32 *indir, |
850 | const u8 *key, const u8 hfunc); |
851 | int (*get_rxfh_context)(struct net_device *, u32 *indir, u8 *key, |
852 | u8 *hfunc, u32 ); |
853 | int (*set_rxfh_context)(struct net_device *, const u32 *indir, |
854 | const u8 *key, const u8 hfunc, |
855 | u32 *, bool delete); |
856 | void (*get_channels)(struct net_device *, struct ethtool_channels *); |
857 | int (*set_channels)(struct net_device *, struct ethtool_channels *); |
858 | int (*get_dump_flag)(struct net_device *, struct ethtool_dump *); |
859 | int (*get_dump_data)(struct net_device *, |
860 | struct ethtool_dump *, void *); |
861 | int (*set_dump)(struct net_device *, struct ethtool_dump *); |
862 | int (*get_ts_info)(struct net_device *, struct ethtool_ts_info *); |
863 | int (*get_module_info)(struct net_device *, |
864 | struct ethtool_modinfo *); |
865 | int (*get_module_eeprom)(struct net_device *, |
866 | struct ethtool_eeprom *, u8 *); |
867 | int (*get_eee)(struct net_device *, struct ethtool_eee *); |
868 | int (*set_eee)(struct net_device *, struct ethtool_eee *); |
869 | int (*get_tunable)(struct net_device *, |
870 | const struct ethtool_tunable *, void *); |
871 | int (*set_tunable)(struct net_device *, |
872 | const struct ethtool_tunable *, const void *); |
873 | int (*get_per_queue_coalesce)(struct net_device *, u32, |
874 | struct ethtool_coalesce *); |
875 | int (*set_per_queue_coalesce)(struct net_device *, u32, |
876 | struct ethtool_coalesce *); |
877 | int (*get_link_ksettings)(struct net_device *, |
878 | struct ethtool_link_ksettings *); |
879 | int (*set_link_ksettings)(struct net_device *, |
880 | const struct ethtool_link_ksettings *); |
881 | void (*get_fec_stats)(struct net_device *dev, |
882 | struct ethtool_fec_stats *fec_stats); |
883 | int (*get_fecparam)(struct net_device *, |
884 | struct ethtool_fecparam *); |
885 | int (*set_fecparam)(struct net_device *, |
886 | struct ethtool_fecparam *); |
887 | void (*get_ethtool_phy_stats)(struct net_device *, |
888 | struct ethtool_stats *, u64 *); |
889 | int (*get_phy_tunable)(struct net_device *, |
890 | const struct ethtool_tunable *, void *); |
891 | int (*set_phy_tunable)(struct net_device *, |
892 | const struct ethtool_tunable *, const void *); |
893 | int (*get_module_eeprom_by_page)(struct net_device *dev, |
894 | const struct ethtool_module_eeprom *page, |
895 | struct netlink_ext_ack *extack); |
896 | void (*get_eth_phy_stats)(struct net_device *dev, |
897 | struct ethtool_eth_phy_stats *phy_stats); |
898 | void (*get_eth_mac_stats)(struct net_device *dev, |
899 | struct ethtool_eth_mac_stats *mac_stats); |
900 | void (*get_eth_ctrl_stats)(struct net_device *dev, |
901 | struct ethtool_eth_ctrl_stats *ctrl_stats); |
902 | void (*get_rmon_stats)(struct net_device *dev, |
903 | struct ethtool_rmon_stats *rmon_stats, |
904 | const struct ethtool_rmon_hist_range **ranges); |
905 | int (*get_module_power_mode)(struct net_device *dev, |
906 | struct ethtool_module_power_mode_params *params, |
907 | struct netlink_ext_ack *extack); |
908 | int (*set_module_power_mode)(struct net_device *dev, |
909 | const struct ethtool_module_power_mode_params *params, |
910 | struct netlink_ext_ack *extack); |
911 | int (*get_mm)(struct net_device *dev, struct ethtool_mm_state *state); |
912 | int (*set_mm)(struct net_device *dev, struct ethtool_mm_cfg *cfg, |
913 | struct netlink_ext_ack *extack); |
914 | void (*get_mm_stats)(struct net_device *dev, struct ethtool_mm_stats *stats); |
915 | }; |
916 | |
917 | int ethtool_check_ops(const struct ethtool_ops *ops); |
918 | |
919 | struct ethtool_rx_flow_rule { |
920 | struct flow_rule *rule; |
921 | unsigned long priv[]; |
922 | }; |
923 | |
924 | struct ethtool_rx_flow_spec_input { |
925 | const struct ethtool_rx_flow_spec *fs; |
926 | u32 ; |
927 | }; |
928 | |
929 | struct ethtool_rx_flow_rule * |
930 | ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input); |
931 | void ethtool_rx_flow_rule_destroy(struct ethtool_rx_flow_rule *rule); |
932 | |
933 | bool ethtool_virtdev_validate_cmd(const struct ethtool_link_ksettings *cmd); |
934 | int ethtool_virtdev_set_link_ksettings(struct net_device *dev, |
935 | const struct ethtool_link_ksettings *cmd, |
936 | u32 *dev_speed, u8 *dev_duplex); |
937 | |
938 | struct phy_device; |
939 | struct phy_tdr_config; |
940 | struct phy_plca_cfg; |
941 | struct phy_plca_status; |
942 | |
943 | /** |
944 | * struct ethtool_phy_ops - Optional PHY device options |
945 | * @get_sset_count: Get number of strings that @get_strings will write. |
946 | * @get_strings: Return a set of strings that describe the requested objects |
947 | * @get_stats: Return extended statistics about the PHY device. |
948 | * @get_plca_cfg: Return PLCA configuration. |
949 | * @set_plca_cfg: Set PLCA configuration. |
950 | * @get_plca_status: Get PLCA configuration. |
951 | * @start_cable_test: Start a cable test |
952 | * @start_cable_test_tdr: Start a Time Domain Reflectometry cable test |
953 | * |
954 | * All operations are optional (i.e. the function pointer may be set to %NULL) |
955 | * and callers must take this into account. Callers must hold the RTNL lock. |
956 | */ |
957 | struct ethtool_phy_ops { |
958 | int (*get_sset_count)(struct phy_device *dev); |
959 | int (*get_strings)(struct phy_device *dev, u8 *data); |
960 | int (*get_stats)(struct phy_device *dev, |
961 | struct ethtool_stats *stats, u64 *data); |
962 | int (*get_plca_cfg)(struct phy_device *dev, |
963 | struct phy_plca_cfg *plca_cfg); |
964 | int (*set_plca_cfg)(struct phy_device *dev, |
965 | const struct phy_plca_cfg *plca_cfg, |
966 | struct netlink_ext_ack *extack); |
967 | int (*get_plca_status)(struct phy_device *dev, |
968 | struct phy_plca_status *plca_st); |
969 | int (*start_cable_test)(struct phy_device *phydev, |
970 | struct netlink_ext_ack *extack); |
971 | int (*start_cable_test_tdr)(struct phy_device *phydev, |
972 | struct netlink_ext_ack *extack, |
973 | const struct phy_tdr_config *config); |
974 | }; |
975 | |
976 | /** |
977 | * ethtool_set_ethtool_phy_ops - Set the ethtool_phy_ops singleton |
978 | * @ops: Ethtool PHY operations to set |
979 | */ |
980 | void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops); |
981 | |
982 | /** |
983 | * ethtool_params_from_link_mode - Derive link parameters from a given link mode |
984 | * @link_ksettings: Link parameters to be derived from the link mode |
985 | * @link_mode: Link mode |
986 | */ |
987 | void |
988 | ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, |
989 | enum ethtool_link_mode_bit_indices link_mode); |
990 | |
991 | /** |
992 | * ethtool_get_phc_vclocks - Derive phc vclocks information, and caller |
993 | * is responsible to free memory of vclock_index |
994 | * @dev: pointer to net_device structure |
995 | * @vclock_index: pointer to pointer of vclock index |
996 | * |
997 | * Return number of phc vclocks |
998 | */ |
999 | int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index); |
1000 | |
1001 | /* Some generic methods drivers may use in their ethtool_ops */ |
1002 | u32 ethtool_op_get_link(struct net_device *dev); |
1003 | int ethtool_op_get_ts_info(struct net_device *dev, struct ethtool_ts_info *eti); |
1004 | |
1005 | /** |
1006 | * ethtool_mm_frag_size_add_to_min - Translate (standard) additional fragment |
1007 | * size expressed as multiplier into (absolute) minimum fragment size |
1008 | * value expressed in octets |
1009 | * @val_add: Value of addFragSize multiplier |
1010 | */ |
1011 | static inline u32 ethtool_mm_frag_size_add_to_min(u32 val_add) |
1012 | { |
1013 | return (ETH_ZLEN + ETH_FCS_LEN) * (1 + val_add) - ETH_FCS_LEN; |
1014 | } |
1015 | |
1016 | /** |
1017 | * ethtool_mm_frag_size_min_to_add - Translate (absolute) minimum fragment size |
1018 | * expressed in octets into (standard) additional fragment size expressed |
1019 | * as multiplier |
1020 | * @val_min: Value of addFragSize variable in octets |
1021 | * @val_add: Pointer where the standard addFragSize value is to be returned |
1022 | * @extack: Netlink extended ack |
1023 | * |
1024 | * Translate a value in octets to one of 0, 1, 2, 3 according to the reverse |
1025 | * application of the 802.3 formula 64 * (1 + addFragSize) - 4. To be called |
1026 | * by drivers which do not support programming the minimum fragment size to a |
1027 | * continuous range. Returns error on other fragment length values. |
1028 | */ |
1029 | static inline int ethtool_mm_frag_size_min_to_add(u32 val_min, u32 *val_add, |
1030 | struct netlink_ext_ack *extack) |
1031 | { |
1032 | u32 add_frag_size; |
1033 | |
1034 | for (add_frag_size = 0; add_frag_size < 4; add_frag_size++) { |
1035 | if (ethtool_mm_frag_size_add_to_min(val_add: add_frag_size) == val_min) { |
1036 | *val_add = add_frag_size; |
1037 | return 0; |
1038 | } |
1039 | } |
1040 | |
1041 | NL_SET_ERR_MSG_MOD(extack, |
1042 | "minFragSize required to be one of 60, 124, 188 or 252" ); |
1043 | return -EINVAL; |
1044 | } |
1045 | |
1046 | /** |
1047 | * ethtool_sprintf - Write formatted string to ethtool string data |
1048 | * @data: Pointer to start of string to update |
1049 | * @fmt: Format of string to write |
1050 | * |
1051 | * Write formatted string to data. Update data to point at start of |
1052 | * next string. |
1053 | */ |
1054 | extern __printf(2, 3) void ethtool_sprintf(u8 **data, const char *fmt, ...); |
1055 | |
1056 | /* Link mode to forced speed capabilities maps */ |
1057 | struct ethtool_forced_speed_map { |
1058 | u32 speed; |
1059 | __ETHTOOL_DECLARE_LINK_MODE_MASK(caps); |
1060 | |
1061 | const u32 *cap_arr; |
1062 | u32 arr_size; |
1063 | }; |
1064 | |
1065 | #define ETHTOOL_FORCED_SPEED_MAP(prefix, value) \ |
1066 | { \ |
1067 | .speed = SPEED_##value, \ |
1068 | .cap_arr = prefix##_##value, \ |
1069 | .arr_size = ARRAY_SIZE(prefix##_##value), \ |
1070 | } |
1071 | |
1072 | void |
1073 | ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size); |
1074 | #endif /* _LINUX_ETHTOOL_H */ |
1075 | |