xref: /linux-6.15/include/linux/ethtool.h (revision facb4edc)
1 /*
2  * ethtool.h: Defines for Linux ethtool.
3  *
4  * Copyright (C) 1998 David S. Miller ([email protected])
5  * Copyright 2001 Jeff Garzik <[email protected]>
6  * Portions Copyright 2001 Sun Microsystems ([email protected])
7  * Portions Copyright 2002 Intel ([email protected],
8  *                                [email protected],
9  *                                [email protected])
10  * Portions Copyright (C) Sun Microsystems 2008
11  */
12 
13 #ifndef _LINUX_ETHTOOL_H
14 #define _LINUX_ETHTOOL_H
15 
16 #include <linux/types.h>
17 #include <linux/if_ether.h>
18 
19 /* This should work for both 32 and 64 bit userland. */
20 struct ethtool_cmd {
21 	__u32	cmd;
22 	__u32	supported;	/* Features this interface supports */
23 	__u32	advertising;	/* Features this interface advertises */
24 	__u16	speed;		/* The forced speed, 10Mb, 100Mb, gigabit */
25 	__u8	duplex;		/* Duplex, half or full */
26 	__u8	port;		/* Which connector port */
27 	__u8	phy_address;
28 	__u8	transceiver;	/* Which transceiver to use */
29 	__u8	autoneg;	/* Enable or disable autonegotiation */
30 	__u8	mdio_support;
31 	__u32	maxtxpkt;	/* Tx pkts before generating tx int */
32 	__u32	maxrxpkt;	/* Rx pkts before generating rx int */
33 	__u16	speed_hi;
34 	__u8	eth_tp_mdix;
35 	__u8	reserved2;
36 	__u32	lp_advertising;	/* Features the link partner advertises */
37 	__u32	reserved[2];
38 };
39 
40 static inline void ethtool_cmd_speed_set(struct ethtool_cmd *ep,
41 						__u32 speed)
42 {
43 
44 	ep->speed = (__u16)speed;
45 	ep->speed_hi = (__u16)(speed >> 16);
46 }
47 
48 static inline __u32 ethtool_cmd_speed(struct ethtool_cmd *ep)
49 {
50 	return (ep->speed_hi << 16) | ep->speed;
51 }
52 
53 #define ETHTOOL_FWVERS_LEN	32
54 #define ETHTOOL_BUSINFO_LEN	32
55 /* these strings are set to whatever the driver author decides... */
56 struct ethtool_drvinfo {
57 	__u32	cmd;
58 	char	driver[32];	/* driver short name, "tulip", "eepro100" */
59 	char	version[32];	/* driver version string */
60 	char	fw_version[ETHTOOL_FWVERS_LEN];	/* firmware version string */
61 	char	bus_info[ETHTOOL_BUSINFO_LEN];	/* Bus info for this IF. */
62 				/* For PCI devices, use pci_name(pci_dev). */
63 	char	reserved1[32];
64 	char	reserved2[12];
65 				/*
66 				 * Some struct members below are filled in
67 				 * using ops->get_sset_count().  Obtaining
68 				 * this info from ethtool_drvinfo is now
69 				 * deprecated; Use ETHTOOL_GSSET_INFO
70 				 * instead.
71 				 */
72 	__u32	n_priv_flags;	/* number of flags valid in ETHTOOL_GPFLAGS */
73 	__u32	n_stats;	/* number of u64's from ETHTOOL_GSTATS */
74 	__u32	testinfo_len;
75 	__u32	eedump_len;	/* Size of data from ETHTOOL_GEEPROM (bytes) */
76 	__u32	regdump_len;	/* Size of data from ETHTOOL_GREGS (bytes) */
77 };
78 
79 #define SOPASS_MAX	6
80 /* wake-on-lan settings */
81 struct ethtool_wolinfo {
82 	__u32	cmd;
83 	__u32	supported;
84 	__u32	wolopts;
85 	__u8	sopass[SOPASS_MAX]; /* SecureOn(tm) password */
86 };
87 
88 /* for passing single values */
89 struct ethtool_value {
90 	__u32	cmd;
91 	__u32	data;
92 };
93 
94 /* for passing big chunks of data */
95 struct ethtool_regs {
96 	__u32	cmd;
97 	__u32	version; /* driver-specific, indicates different chips/revs */
98 	__u32	len; /* bytes */
99 	__u8	data[0];
100 };
101 
102 /* for passing EEPROM chunks */
103 struct ethtool_eeprom {
104 	__u32	cmd;
105 	__u32	magic;
106 	__u32	offset; /* in bytes */
107 	__u32	len; /* in bytes */
108 	__u8	data[0];
109 };
110 
111 /* for configuring coalescing parameters of chip */
112 struct ethtool_coalesce {
113 	__u32	cmd;	/* ETHTOOL_{G,S}COALESCE */
114 
115 	/* How many usecs to delay an RX interrupt after
116 	 * a packet arrives.  If 0, only rx_max_coalesced_frames
117 	 * is used.
118 	 */
119 	__u32	rx_coalesce_usecs;
120 
121 	/* How many packets to delay an RX interrupt after
122 	 * a packet arrives.  If 0, only rx_coalesce_usecs is
123 	 * used.  It is illegal to set both usecs and max frames
124 	 * to zero as this would cause RX interrupts to never be
125 	 * generated.
126 	 */
127 	__u32	rx_max_coalesced_frames;
128 
129 	/* Same as above two parameters, except that these values
130 	 * apply while an IRQ is being serviced by the host.  Not
131 	 * all cards support this feature and the values are ignored
132 	 * in that case.
133 	 */
134 	__u32	rx_coalesce_usecs_irq;
135 	__u32	rx_max_coalesced_frames_irq;
136 
137 	/* How many usecs to delay a TX interrupt after
138 	 * a packet is sent.  If 0, only tx_max_coalesced_frames
139 	 * is used.
140 	 */
141 	__u32	tx_coalesce_usecs;
142 
143 	/* How many packets to delay a TX interrupt after
144 	 * a packet is sent.  If 0, only tx_coalesce_usecs is
145 	 * used.  It is illegal to set both usecs and max frames
146 	 * to zero as this would cause TX interrupts to never be
147 	 * generated.
148 	 */
149 	__u32	tx_max_coalesced_frames;
150 
151 	/* Same as above two parameters, except that these values
152 	 * apply while an IRQ is being serviced by the host.  Not
153 	 * all cards support this feature and the values are ignored
154 	 * in that case.
155 	 */
156 	__u32	tx_coalesce_usecs_irq;
157 	__u32	tx_max_coalesced_frames_irq;
158 
159 	/* How many usecs to delay in-memory statistics
160 	 * block updates.  Some drivers do not have an in-memory
161 	 * statistic block, and in such cases this value is ignored.
162 	 * This value must not be zero.
163 	 */
164 	__u32	stats_block_coalesce_usecs;
165 
166 	/* Adaptive RX/TX coalescing is an algorithm implemented by
167 	 * some drivers to improve latency under low packet rates and
168 	 * improve throughput under high packet rates.  Some drivers
169 	 * only implement one of RX or TX adaptive coalescing.  Anything
170 	 * not implemented by the driver causes these values to be
171 	 * silently ignored.
172 	 */
173 	__u32	use_adaptive_rx_coalesce;
174 	__u32	use_adaptive_tx_coalesce;
175 
176 	/* When the packet rate (measured in packets per second)
177 	 * is below pkt_rate_low, the {rx,tx}_*_low parameters are
178 	 * used.
179 	 */
180 	__u32	pkt_rate_low;
181 	__u32	rx_coalesce_usecs_low;
182 	__u32	rx_max_coalesced_frames_low;
183 	__u32	tx_coalesce_usecs_low;
184 	__u32	tx_max_coalesced_frames_low;
185 
186 	/* When the packet rate is below pkt_rate_high but above
187 	 * pkt_rate_low (both measured in packets per second) the
188 	 * normal {rx,tx}_* coalescing parameters are used.
189 	 */
190 
191 	/* When the packet rate is (measured in packets per second)
192 	 * is above pkt_rate_high, the {rx,tx}_*_high parameters are
193 	 * used.
194 	 */
195 	__u32	pkt_rate_high;
196 	__u32	rx_coalesce_usecs_high;
197 	__u32	rx_max_coalesced_frames_high;
198 	__u32	tx_coalesce_usecs_high;
199 	__u32	tx_max_coalesced_frames_high;
200 
201 	/* How often to do adaptive coalescing packet rate sampling,
202 	 * measured in seconds.  Must not be zero.
203 	 */
204 	__u32	rate_sample_interval;
205 };
206 
207 /* for configuring RX/TX ring parameters */
208 struct ethtool_ringparam {
209 	__u32	cmd;	/* ETHTOOL_{G,S}RINGPARAM */
210 
211 	/* Read only attributes.  These indicate the maximum number
212 	 * of pending RX/TX ring entries the driver will allow the
213 	 * user to set.
214 	 */
215 	__u32	rx_max_pending;
216 	__u32	rx_mini_max_pending;
217 	__u32	rx_jumbo_max_pending;
218 	__u32	tx_max_pending;
219 
220 	/* Values changeable by the user.  The valid values are
221 	 * in the range 1 to the "*_max_pending" counterpart above.
222 	 */
223 	__u32	rx_pending;
224 	__u32	rx_mini_pending;
225 	__u32	rx_jumbo_pending;
226 	__u32	tx_pending;
227 };
228 
229 /* for configuring link flow control parameters */
230 struct ethtool_pauseparam {
231 	__u32	cmd;	/* ETHTOOL_{G,S}PAUSEPARAM */
232 
233 	/* If the link is being auto-negotiated (via ethtool_cmd.autoneg
234 	 * being true) the user may set 'autonet' here non-zero to have the
235 	 * pause parameters be auto-negotiated too.  In such a case, the
236 	 * {rx,tx}_pause values below determine what capabilities are
237 	 * advertised.
238 	 *
239 	 * If 'autoneg' is zero or the link is not being auto-negotiated,
240 	 * then {rx,tx}_pause force the driver to use/not-use pause
241 	 * flow control.
242 	 */
243 	__u32	autoneg;
244 	__u32	rx_pause;
245 	__u32	tx_pause;
246 };
247 
248 #define ETH_GSTRING_LEN		32
249 enum ethtool_stringset {
250 	ETH_SS_TEST		= 0,
251 	ETH_SS_STATS,
252 	ETH_SS_PRIV_FLAGS,
253 	ETH_SS_NTUPLE_FILTERS,
254 };
255 
256 /* for passing string sets for data tagging */
257 struct ethtool_gstrings {
258 	__u32	cmd;		/* ETHTOOL_GSTRINGS */
259 	__u32	string_set;	/* string set id e.c. ETH_SS_TEST, etc*/
260 	__u32	len;		/* number of strings in the string set */
261 	__u8	data[0];
262 };
263 
264 struct ethtool_sset_info {
265 	__u32	cmd;		/* ETHTOOL_GSSET_INFO */
266 	__u32	reserved;
267 	__u64	sset_mask;	/* input: each bit selects an sset to query */
268 				/* output: each bit a returned sset */
269 	__u32	data[0];	/* ETH_SS_xxx count, in order, based on bits
270 				   in sset_mask.  One bit implies one
271 				   __u32, two bits implies two
272 				   __u32's, etc. */
273 };
274 
275 enum ethtool_test_flags {
276 	ETH_TEST_FL_OFFLINE	= (1 << 0),	/* online / offline */
277 	ETH_TEST_FL_FAILED	= (1 << 1),	/* test passed / failed */
278 };
279 
280 /* for requesting NIC test and getting results*/
281 struct ethtool_test {
282 	__u32	cmd;		/* ETHTOOL_TEST */
283 	__u32	flags;		/* ETH_TEST_FL_xxx */
284 	__u32	reserved;
285 	__u32	len;		/* result length, in number of u64 elements */
286 	__u64	data[0];
287 };
288 
289 /* for dumping NIC-specific statistics */
290 struct ethtool_stats {
291 	__u32	cmd;		/* ETHTOOL_GSTATS */
292 	__u32	n_stats;	/* number of u64's being returned */
293 	__u64	data[0];
294 };
295 
296 struct ethtool_perm_addr {
297 	__u32	cmd;		/* ETHTOOL_GPERMADDR */
298 	__u32	size;
299 	__u8	data[0];
300 };
301 
302 /* boolean flags controlling per-interface behavior characteristics.
303  * When reading, the flag indicates whether or not a certain behavior
304  * is enabled/present.  When writing, the flag indicates whether
305  * or not the driver should turn on (set) or off (clear) a behavior.
306  *
307  * Some behaviors may read-only (unconditionally absent or present).
308  * If such is the case, return EINVAL in the set-flags operation if the
309  * flag differs from the read-only value.
310  */
311 enum ethtool_flags {
312 	ETH_FLAG_TXVLAN		= (1 << 7),	/* TX VLAN offload enabled */
313 	ETH_FLAG_RXVLAN		= (1 << 8),	/* RX VLAN offload enabled */
314 	ETH_FLAG_LRO		= (1 << 15),	/* LRO is enabled */
315 	ETH_FLAG_NTUPLE		= (1 << 27),	/* N-tuple filters enabled */
316 	ETH_FLAG_RXHASH		= (1 << 28),
317 };
318 
319 /* The following structures are for supporting RX network flow
320  * classification and RX n-tuple configuration. Note, all multibyte
321  * fields, e.g., ip4src, ip4dst, psrc, pdst, spi, etc. are expected to
322  * be in network byte order.
323  */
324 
325 /**
326  * struct ethtool_tcpip4_spec - flow specification for TCP/IPv4 etc.
327  * @ip4src: Source host
328  * @ip4dst: Destination host
329  * @psrc: Source port
330  * @pdst: Destination port
331  * @tos: Type-of-service
332  *
333  * This can be used to specify a TCP/IPv4, UDP/IPv4 or SCTP/IPv4 flow.
334  */
335 struct ethtool_tcpip4_spec {
336 	__be32	ip4src;
337 	__be32	ip4dst;
338 	__be16	psrc;
339 	__be16	pdst;
340 	__u8    tos;
341 };
342 
343 /**
344  * struct ethtool_ah_espip4_spec - flow specification for IPsec/IPv4
345  * @ip4src: Source host
346  * @ip4dst: Destination host
347  * @spi: Security parameters index
348  * @tos: Type-of-service
349  *
350  * This can be used to specify an IPsec transport or tunnel over IPv4.
351  */
352 struct ethtool_ah_espip4_spec {
353 	__be32	ip4src;
354 	__be32	ip4dst;
355 	__be32	spi;
356 	__u8    tos;
357 };
358 
359 #define	ETH_RX_NFC_IP4	1
360 
361 /**
362  * struct ethtool_usrip4_spec - general flow specification for IPv4
363  * @ip4src: Source host
364  * @ip4dst: Destination host
365  * @l4_4_bytes: First 4 bytes of transport (layer 4) header
366  * @tos: Type-of-service
367  * @ip_ver: Value must be %ETH_RX_NFC_IP4; mask must be 0
368  * @proto: Transport protocol number; mask must be 0
369  */
370 struct ethtool_usrip4_spec {
371 	__be32	ip4src;
372 	__be32	ip4dst;
373 	__be32	l4_4_bytes;
374 	__u8    tos;
375 	__u8    ip_ver;
376 	__u8    proto;
377 };
378 
379 /**
380  * struct ethtool_rx_flow_spec - specification for RX flow filter
381  * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW
382  * @h_u: Flow fields to match (dependent on @flow_type)
383  * @m_u: Masks for flow field bits to be ignored
384  * @ring_cookie: RX ring/queue index to deliver to, or %RX_CLS_FLOW_DISC
385  *	if packets should be discarded
386  * @location: Index of filter in hardware table
387  */
388 struct ethtool_rx_flow_spec {
389 	__u32		flow_type;
390 	union {
391 		struct ethtool_tcpip4_spec		tcp_ip4_spec;
392 		struct ethtool_tcpip4_spec		udp_ip4_spec;
393 		struct ethtool_tcpip4_spec		sctp_ip4_spec;
394 		struct ethtool_ah_espip4_spec		ah_ip4_spec;
395 		struct ethtool_ah_espip4_spec		esp_ip4_spec;
396 		struct ethtool_usrip4_spec		usr_ip4_spec;
397 		struct ethhdr				ether_spec;
398 		__u8					hdata[72];
399 	} h_u, m_u;
400 	__u64		ring_cookie;
401 	__u32		location;
402 };
403 
404 /**
405  * struct ethtool_rxnfc - command to get or set RX flow classification rules
406  * @cmd: Specific command number - %ETHTOOL_GRXFH, %ETHTOOL_SRXFH,
407  *	%ETHTOOL_GRXRINGS, %ETHTOOL_GRXCLSRLCNT, %ETHTOOL_GRXCLSRULE,
408  *	%ETHTOOL_GRXCLSRLALL, %ETHTOOL_SRXCLSRLDEL or %ETHTOOL_SRXCLSRLINS
409  * @flow_type: Type of flow to be affected, e.g. %TCP_V4_FLOW
410  * @data: Command-dependent value
411  * @fs: Flow filter specification
412  * @rule_cnt: Number of rules to be affected
413  * @rule_locs: Array of valid rule indices
414  *
415  * For %ETHTOOL_GRXFH and %ETHTOOL_SRXFH, @data is a bitmask indicating
416  * the fields included in the flow hash, e.g. %RXH_IP_SRC.  The following
417  * structure fields must not be used.
418  *
419  * For %ETHTOOL_GRXRINGS, @data is set to the number of RX rings/queues
420  * on return.
421  *
422  * For %ETHTOOL_GRXCLSRLCNT, @rule_cnt is set to the number of defined
423  * rules on return.
424  *
425  * For %ETHTOOL_GRXCLSRULE, @fs.@location specifies the index of an
426  * existing filter rule on entry and @fs contains the rule on return.
427  *
428  * For %ETHTOOL_GRXCLSRLALL, @rule_cnt specifies the array size of the
429  * user buffer for @rule_locs on entry.  On return, @data is the size
430  * of the filter table and @rule_locs contains the indices of the
431  * defined rules.
432  *
433  * For %ETHTOOL_SRXCLSRLINS, @fs specifies the filter rule to add or
434  * update.  @fs.@location specifies the index to use and must not be
435  * ignored.
436  *
437  * For %ETHTOOL_SRXCLSRLDEL, @fs.@location specifies the index of an
438  * existing filter rule on entry.
439  *
440  * Implementation of indexed classification rules generally requires a
441  * TCAM.
442  */
443 struct ethtool_rxnfc {
444 	__u32				cmd;
445 	__u32				flow_type;
446 	__u64				data;
447 	struct ethtool_rx_flow_spec	fs;
448 	__u32				rule_cnt;
449 	__u32				rule_locs[0];
450 };
451 
452 /**
453  * struct ethtool_rxfh_indir - command to get or set RX flow hash indirection
454  * @cmd: Specific command number - %ETHTOOL_GRXFHINDIR or %ETHTOOL_SRXFHINDIR
455  * @size: On entry, the array size of the user buffer.  On return from
456  *	%ETHTOOL_GRXFHINDIR, the array size of the hardware indirection table.
457  * @ring_index: RX ring/queue index for each hash value
458  */
459 struct ethtool_rxfh_indir {
460 	__u32	cmd;
461 	__u32	size;
462 	__u32	ring_index[0];
463 };
464 
465 /**
466  * struct ethtool_rx_ntuple_flow_spec - specification for RX flow filter
467  * @flow_type: Type of match to perform, e.g. %TCP_V4_FLOW
468  * @h_u: Flow field values to match (dependent on @flow_type)
469  * @m_u: Masks for flow field value bits to be ignored
470  * @vlan_tag: VLAN tag to match
471  * @vlan_tag_mask: Mask for VLAN tag bits to be ignored
472  * @data: Driver-dependent data to match
473  * @data_mask: Mask for driver-dependent data bits to be ignored
474  * @action: RX ring/queue index to deliver to (non-negative) or other action
475  *	(negative, e.g. %ETHTOOL_RXNTUPLE_ACTION_DROP)
476  *
477  * For flow types %TCP_V4_FLOW, %UDP_V4_FLOW and %SCTP_V4_FLOW, where
478  * a field value and mask are both zero this is treated as if all mask
479  * bits are set i.e. the field is ignored.
480  */
481 struct ethtool_rx_ntuple_flow_spec {
482 	__u32		 flow_type;
483 	union {
484 		struct ethtool_tcpip4_spec		tcp_ip4_spec;
485 		struct ethtool_tcpip4_spec		udp_ip4_spec;
486 		struct ethtool_tcpip4_spec		sctp_ip4_spec;
487 		struct ethtool_ah_espip4_spec		ah_ip4_spec;
488 		struct ethtool_ah_espip4_spec		esp_ip4_spec;
489 		struct ethtool_usrip4_spec		usr_ip4_spec;
490 		struct ethhdr				ether_spec;
491 		__u8					hdata[72];
492 	} h_u, m_u;
493 
494 	__u16	        vlan_tag;
495 	__u16	        vlan_tag_mask;
496 	__u64		data;
497 	__u64		data_mask;
498 
499 	__s32		action;
500 #define ETHTOOL_RXNTUPLE_ACTION_DROP	(-1)	/* drop packet */
501 #define ETHTOOL_RXNTUPLE_ACTION_CLEAR	(-2)	/* clear filter */
502 };
503 
504 /**
505  * struct ethtool_rx_ntuple - command to set or clear RX flow filter
506  * @cmd: Command number - %ETHTOOL_SRXNTUPLE
507  * @fs: Flow filter specification
508  */
509 struct ethtool_rx_ntuple {
510 	__u32					cmd;
511 	struct ethtool_rx_ntuple_flow_spec	fs;
512 };
513 
514 #define ETHTOOL_FLASH_MAX_FILENAME	128
515 enum ethtool_flash_op_type {
516 	ETHTOOL_FLASH_ALL_REGIONS	= 0,
517 };
518 
519 /* for passing firmware flashing related parameters */
520 struct ethtool_flash {
521 	__u32	cmd;
522 	__u32	region;
523 	char	data[ETHTOOL_FLASH_MAX_FILENAME];
524 };
525 
526 #ifdef __KERNEL__
527 
528 #include <linux/rculist.h>
529 
530 struct ethtool_rx_ntuple_flow_spec_container {
531 	struct ethtool_rx_ntuple_flow_spec fs;
532 	struct list_head list;
533 };
534 
535 struct ethtool_rx_ntuple_list {
536 #define ETHTOOL_MAX_NTUPLE_LIST_ENTRY 1024
537 #define ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY 14
538 	struct list_head	list;
539 	unsigned int		count;
540 };
541 
542 struct net_device;
543 
544 /* Some generic methods drivers may use in their ethtool_ops */
545 u32 ethtool_op_get_link(struct net_device *dev);
546 u32 ethtool_op_get_rx_csum(struct net_device *dev);
547 u32 ethtool_op_get_tx_csum(struct net_device *dev);
548 int ethtool_op_set_tx_csum(struct net_device *dev, u32 data);
549 int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data);
550 int ethtool_op_set_tx_ipv6_csum(struct net_device *dev, u32 data);
551 u32 ethtool_op_get_sg(struct net_device *dev);
552 int ethtool_op_set_sg(struct net_device *dev, u32 data);
553 u32 ethtool_op_get_tso(struct net_device *dev);
554 int ethtool_op_set_tso(struct net_device *dev, u32 data);
555 u32 ethtool_op_get_ufo(struct net_device *dev);
556 int ethtool_op_set_ufo(struct net_device *dev, u32 data);
557 u32 ethtool_op_get_flags(struct net_device *dev);
558 int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported);
559 void ethtool_ntuple_flush(struct net_device *dev);
560 
561 /**
562  * &ethtool_ops - Alter and report network device settings
563  * get_settings: Get device-specific settings
564  * set_settings: Set device-specific settings
565  * get_drvinfo: Report driver information
566  * get_regs: Get device registers
567  * get_wol: Report whether Wake-on-Lan is enabled
568  * set_wol: Turn Wake-on-Lan on or off
569  * get_msglevel: Report driver message level
570  * set_msglevel: Set driver message level
571  * nway_reset: Restart autonegotiation
572  * get_link: Get link status
573  * get_eeprom: Read data from the device EEPROM
574  * set_eeprom: Write data to the device EEPROM
575  * get_coalesce: Get interrupt coalescing parameters
576  * set_coalesce: Set interrupt coalescing parameters
577  * get_ringparam: Report ring sizes
578  * set_ringparam: Set ring sizes
579  * get_pauseparam: Report pause parameters
580  * set_pauseparam: Set pause parameters
581  * get_rx_csum: Report whether receive checksums are turned on or off
582  * set_rx_csum: Turn receive checksum on or off
583  * get_tx_csum: Report whether transmit checksums are turned on or off
584  * set_tx_csum: Turn transmit checksums on or off
585  * get_sg: Report whether scatter-gather is enabled
586  * set_sg: Turn scatter-gather on or off
587  * get_tso: Report whether TCP segmentation offload is enabled
588  * set_tso: Turn TCP segmentation offload on or off
589  * get_ufo: Report whether UDP fragmentation offload is enabled
590  * set_ufo: Turn UDP fragmentation offload on or off
591  * self_test: Run specified self-tests
592  * get_strings: Return a set of strings that describe the requested objects
593  * phys_id: Identify the device
594  * get_stats: Return statistics about the device
595  * get_flags: get 32-bit flags bitmap
596  * set_flags: set 32-bit flags bitmap
597  *
598  * Description:
599  *
600  * get_settings:
601  *	@get_settings is passed an &ethtool_cmd to fill in.  It returns
602  *	an negative errno or zero.
603  *
604  * set_settings:
605  *	@set_settings is passed an &ethtool_cmd and should attempt to set
606  *	all the settings this device supports.  It may return an error value
607  *	if something goes wrong (otherwise 0).
608  *
609  * get_eeprom:
610  *	Should fill in the magic field.  Don't need to check len for zero
611  *	or wraparound.  Fill in the data argument with the eeprom values
612  *	from offset to offset + len.  Update len to the amount read.
613  *	Returns an error or zero.
614  *
615  * set_eeprom:
616  *	Should validate the magic field.  Don't need to check len for zero
617  *	or wraparound.  Update len to the amount written.  Returns an error
618  *	or zero.
619  */
620 struct ethtool_ops {
621 	int	(*get_settings)(struct net_device *, struct ethtool_cmd *);
622 	int	(*set_settings)(struct net_device *, struct ethtool_cmd *);
623 	void	(*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *);
624 	int	(*get_regs_len)(struct net_device *);
625 	void	(*get_regs)(struct net_device *, struct ethtool_regs *, void *);
626 	void	(*get_wol)(struct net_device *, struct ethtool_wolinfo *);
627 	int	(*set_wol)(struct net_device *, struct ethtool_wolinfo *);
628 	u32	(*get_msglevel)(struct net_device *);
629 	void	(*set_msglevel)(struct net_device *, u32);
630 	int	(*nway_reset)(struct net_device *);
631 	u32	(*get_link)(struct net_device *);
632 	int	(*get_eeprom_len)(struct net_device *);
633 	int	(*get_eeprom)(struct net_device *,
634 			      struct ethtool_eeprom *, u8 *);
635 	int	(*set_eeprom)(struct net_device *,
636 			      struct ethtool_eeprom *, u8 *);
637 	int	(*get_coalesce)(struct net_device *, struct ethtool_coalesce *);
638 	int	(*set_coalesce)(struct net_device *, struct ethtool_coalesce *);
639 	void	(*get_ringparam)(struct net_device *,
640 				 struct ethtool_ringparam *);
641 	int	(*set_ringparam)(struct net_device *,
642 				 struct ethtool_ringparam *);
643 	void	(*get_pauseparam)(struct net_device *,
644 				  struct ethtool_pauseparam*);
645 	int	(*set_pauseparam)(struct net_device *,
646 				  struct ethtool_pauseparam*);
647 	u32	(*get_rx_csum)(struct net_device *);
648 	int	(*set_rx_csum)(struct net_device *, u32);
649 	u32	(*get_tx_csum)(struct net_device *);
650 	int	(*set_tx_csum)(struct net_device *, u32);
651 	u32	(*get_sg)(struct net_device *);
652 	int	(*set_sg)(struct net_device *, u32);
653 	u32	(*get_tso)(struct net_device *);
654 	int	(*set_tso)(struct net_device *, u32);
655 	void	(*self_test)(struct net_device *, struct ethtool_test *, u64 *);
656 	void	(*get_strings)(struct net_device *, u32 stringset, u8 *);
657 	int	(*phys_id)(struct net_device *, u32);
658 	void	(*get_ethtool_stats)(struct net_device *,
659 				     struct ethtool_stats *, u64 *);
660 	int	(*begin)(struct net_device *);
661 	void	(*complete)(struct net_device *);
662 	u32	(*get_ufo)(struct net_device *);
663 	int	(*set_ufo)(struct net_device *, u32);
664 	u32	(*get_flags)(struct net_device *);
665 	int	(*set_flags)(struct net_device *, u32);
666 	u32	(*get_priv_flags)(struct net_device *);
667 	int	(*set_priv_flags)(struct net_device *, u32);
668 	int	(*get_sset_count)(struct net_device *, int);
669 	int	(*get_rxnfc)(struct net_device *,
670 			     struct ethtool_rxnfc *, void *);
671 	int	(*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
672 	int	(*flash_device)(struct net_device *, struct ethtool_flash *);
673 	int	(*reset)(struct net_device *, u32 *);
674 	int	(*set_rx_ntuple)(struct net_device *,
675 				 struct ethtool_rx_ntuple *);
676 	int	(*get_rx_ntuple)(struct net_device *, u32 stringset, void *);
677 	int	(*get_rxfh_indir)(struct net_device *,
678 				  struct ethtool_rxfh_indir *);
679 	int	(*set_rxfh_indir)(struct net_device *,
680 				  const struct ethtool_rxfh_indir *);
681 };
682 #endif /* __KERNEL__ */
683 
684 /* CMDs currently supported */
685 #define ETHTOOL_GSET		0x00000001 /* Get settings. */
686 #define ETHTOOL_SSET		0x00000002 /* Set settings. */
687 #define ETHTOOL_GDRVINFO	0x00000003 /* Get driver info. */
688 #define ETHTOOL_GREGS		0x00000004 /* Get NIC registers. */
689 #define ETHTOOL_GWOL		0x00000005 /* Get wake-on-lan options. */
690 #define ETHTOOL_SWOL		0x00000006 /* Set wake-on-lan options. */
691 #define ETHTOOL_GMSGLVL		0x00000007 /* Get driver message level */
692 #define ETHTOOL_SMSGLVL		0x00000008 /* Set driver msg level. */
693 #define ETHTOOL_NWAY_RST	0x00000009 /* Restart autonegotiation. */
694 /* Get link status for host, i.e. whether the interface *and* the
695  * physical port (if there is one) are up (ethtool_value). */
696 #define ETHTOOL_GLINK		0x0000000a
697 #define ETHTOOL_GEEPROM		0x0000000b /* Get EEPROM data */
698 #define ETHTOOL_SEEPROM		0x0000000c /* Set EEPROM data. */
699 #define ETHTOOL_GCOALESCE	0x0000000e /* Get coalesce config */
700 #define ETHTOOL_SCOALESCE	0x0000000f /* Set coalesce config. */
701 #define ETHTOOL_GRINGPARAM	0x00000010 /* Get ring parameters */
702 #define ETHTOOL_SRINGPARAM	0x00000011 /* Set ring parameters. */
703 #define ETHTOOL_GPAUSEPARAM	0x00000012 /* Get pause parameters */
704 #define ETHTOOL_SPAUSEPARAM	0x00000013 /* Set pause parameters. */
705 #define ETHTOOL_GRXCSUM		0x00000014 /* Get RX hw csum enable (ethtool_value) */
706 #define ETHTOOL_SRXCSUM		0x00000015 /* Set RX hw csum enable (ethtool_value) */
707 #define ETHTOOL_GTXCSUM		0x00000016 /* Get TX hw csum enable (ethtool_value) */
708 #define ETHTOOL_STXCSUM		0x00000017 /* Set TX hw csum enable (ethtool_value) */
709 #define ETHTOOL_GSG		0x00000018 /* Get scatter-gather enable
710 					    * (ethtool_value) */
711 #define ETHTOOL_SSG		0x00000019 /* Set scatter-gather enable
712 					    * (ethtool_value). */
713 #define ETHTOOL_TEST		0x0000001a /* execute NIC self-test. */
714 #define ETHTOOL_GSTRINGS	0x0000001b /* get specified string set */
715 #define ETHTOOL_PHYS_ID		0x0000001c /* identify the NIC */
716 #define ETHTOOL_GSTATS		0x0000001d /* get NIC-specific statistics */
717 #define ETHTOOL_GTSO		0x0000001e /* Get TSO enable (ethtool_value) */
718 #define ETHTOOL_STSO		0x0000001f /* Set TSO enable (ethtool_value) */
719 #define ETHTOOL_GPERMADDR	0x00000020 /* Get permanent hardware address */
720 #define ETHTOOL_GUFO		0x00000021 /* Get UFO enable (ethtool_value) */
721 #define ETHTOOL_SUFO		0x00000022 /* Set UFO enable (ethtool_value) */
722 #define ETHTOOL_GGSO		0x00000023 /* Get GSO enable (ethtool_value) */
723 #define ETHTOOL_SGSO		0x00000024 /* Set GSO enable (ethtool_value) */
724 #define ETHTOOL_GFLAGS		0x00000025 /* Get flags bitmap(ethtool_value) */
725 #define ETHTOOL_SFLAGS		0x00000026 /* Set flags bitmap(ethtool_value) */
726 #define ETHTOOL_GPFLAGS		0x00000027 /* Get driver-private flags bitmap */
727 #define ETHTOOL_SPFLAGS		0x00000028 /* Set driver-private flags bitmap */
728 
729 #define ETHTOOL_GRXFH		0x00000029 /* Get RX flow hash configuration */
730 #define ETHTOOL_SRXFH		0x0000002a /* Set RX flow hash configuration */
731 #define ETHTOOL_GGRO		0x0000002b /* Get GRO enable (ethtool_value) */
732 #define ETHTOOL_SGRO		0x0000002c /* Set GRO enable (ethtool_value) */
733 #define ETHTOOL_GRXRINGS	0x0000002d /* Get RX rings available for LB */
734 #define ETHTOOL_GRXCLSRLCNT	0x0000002e /* Get RX class rule count */
735 #define ETHTOOL_GRXCLSRULE	0x0000002f /* Get RX classification rule */
736 #define ETHTOOL_GRXCLSRLALL	0x00000030 /* Get all RX classification rule */
737 #define ETHTOOL_SRXCLSRLDEL	0x00000031 /* Delete RX classification rule */
738 #define ETHTOOL_SRXCLSRLINS	0x00000032 /* Insert RX classification rule */
739 #define ETHTOOL_FLASHDEV	0x00000033 /* Flash firmware to device */
740 #define ETHTOOL_RESET		0x00000034 /* Reset hardware */
741 #define ETHTOOL_SRXNTUPLE	0x00000035 /* Add an n-tuple filter to device */
742 #define ETHTOOL_GRXNTUPLE	0x00000036 /* Get n-tuple filters from device */
743 #define ETHTOOL_GSSET_INFO	0x00000037 /* Get string set info */
744 #define ETHTOOL_GRXFHINDIR	0x00000038 /* Get RX flow hash indir'n table */
745 #define ETHTOOL_SRXFHINDIR	0x00000039 /* Set RX flow hash indir'n table */
746 
747 /* compatibility with older code */
748 #define SPARC_ETH_GSET		ETHTOOL_GSET
749 #define SPARC_ETH_SSET		ETHTOOL_SSET
750 
751 /* Indicates what features are supported by the interface. */
752 #define SUPPORTED_10baseT_Half		(1 << 0)
753 #define SUPPORTED_10baseT_Full		(1 << 1)
754 #define SUPPORTED_100baseT_Half		(1 << 2)
755 #define SUPPORTED_100baseT_Full		(1 << 3)
756 #define SUPPORTED_1000baseT_Half	(1 << 4)
757 #define SUPPORTED_1000baseT_Full	(1 << 5)
758 #define SUPPORTED_Autoneg		(1 << 6)
759 #define SUPPORTED_TP			(1 << 7)
760 #define SUPPORTED_AUI			(1 << 8)
761 #define SUPPORTED_MII			(1 << 9)
762 #define SUPPORTED_FIBRE			(1 << 10)
763 #define SUPPORTED_BNC			(1 << 11)
764 #define SUPPORTED_10000baseT_Full	(1 << 12)
765 #define SUPPORTED_Pause			(1 << 13)
766 #define SUPPORTED_Asym_Pause		(1 << 14)
767 #define SUPPORTED_2500baseX_Full	(1 << 15)
768 #define SUPPORTED_Backplane		(1 << 16)
769 #define SUPPORTED_1000baseKX_Full	(1 << 17)
770 #define SUPPORTED_10000baseKX4_Full	(1 << 18)
771 #define SUPPORTED_10000baseKR_Full	(1 << 19)
772 #define SUPPORTED_10000baseR_FEC	(1 << 20)
773 
774 /* Indicates what features are advertised by the interface. */
775 #define ADVERTISED_10baseT_Half		(1 << 0)
776 #define ADVERTISED_10baseT_Full		(1 << 1)
777 #define ADVERTISED_100baseT_Half	(1 << 2)
778 #define ADVERTISED_100baseT_Full	(1 << 3)
779 #define ADVERTISED_1000baseT_Half	(1 << 4)
780 #define ADVERTISED_1000baseT_Full	(1 << 5)
781 #define ADVERTISED_Autoneg		(1 << 6)
782 #define ADVERTISED_TP			(1 << 7)
783 #define ADVERTISED_AUI			(1 << 8)
784 #define ADVERTISED_MII			(1 << 9)
785 #define ADVERTISED_FIBRE		(1 << 10)
786 #define ADVERTISED_BNC			(1 << 11)
787 #define ADVERTISED_10000baseT_Full	(1 << 12)
788 #define ADVERTISED_Pause		(1 << 13)
789 #define ADVERTISED_Asym_Pause		(1 << 14)
790 #define ADVERTISED_2500baseX_Full	(1 << 15)
791 #define ADVERTISED_Backplane		(1 << 16)
792 #define ADVERTISED_1000baseKX_Full	(1 << 17)
793 #define ADVERTISED_10000baseKX4_Full	(1 << 18)
794 #define ADVERTISED_10000baseKR_Full	(1 << 19)
795 #define ADVERTISED_10000baseR_FEC	(1 << 20)
796 
797 /* The following are all involved in forcing a particular link
798  * mode for the device for setting things.  When getting the
799  * devices settings, these indicate the current mode and whether
800  * it was foced up into this mode or autonegotiated.
801  */
802 
803 /* The forced speed, 10Mb, 100Mb, gigabit, 2.5Gb, 10GbE. */
804 #define SPEED_10		10
805 #define SPEED_100		100
806 #define SPEED_1000		1000
807 #define SPEED_2500		2500
808 #define SPEED_10000		10000
809 
810 /* Duplex, half or full. */
811 #define DUPLEX_HALF		0x00
812 #define DUPLEX_FULL		0x01
813 
814 /* Which connector port. */
815 #define PORT_TP			0x00
816 #define PORT_AUI		0x01
817 #define PORT_MII		0x02
818 #define PORT_FIBRE		0x03
819 #define PORT_BNC		0x04
820 #define PORT_DA			0x05
821 #define PORT_NONE		0xef
822 #define PORT_OTHER		0xff
823 
824 /* Which transceiver to use. */
825 #define XCVR_INTERNAL		0x00
826 #define XCVR_EXTERNAL		0x01
827 #define XCVR_DUMMY1		0x02
828 #define XCVR_DUMMY2		0x03
829 #define XCVR_DUMMY3		0x04
830 
831 /* Enable or disable autonegotiation.  If this is set to enable,
832  * the forced link modes above are completely ignored.
833  */
834 #define AUTONEG_DISABLE		0x00
835 #define AUTONEG_ENABLE		0x01
836 
837 /* Mode MDI or MDI-X */
838 #define ETH_TP_MDI_INVALID	0x00
839 #define ETH_TP_MDI		0x01
840 #define ETH_TP_MDI_X		0x02
841 
842 /* Wake-On-Lan options. */
843 #define WAKE_PHY		(1 << 0)
844 #define WAKE_UCAST		(1 << 1)
845 #define WAKE_MCAST		(1 << 2)
846 #define WAKE_BCAST		(1 << 3)
847 #define WAKE_ARP		(1 << 4)
848 #define WAKE_MAGIC		(1 << 5)
849 #define WAKE_MAGICSECURE	(1 << 6) /* only meaningful if WAKE_MAGIC */
850 
851 /* L2-L4 network traffic flow types */
852 #define	TCP_V4_FLOW	0x01	/* hash or spec (tcp_ip4_spec) */
853 #define	UDP_V4_FLOW	0x02	/* hash or spec (udp_ip4_spec) */
854 #define	SCTP_V4_FLOW	0x03	/* hash or spec (sctp_ip4_spec) */
855 #define	AH_ESP_V4_FLOW	0x04	/* hash only */
856 #define	TCP_V6_FLOW	0x05	/* hash only */
857 #define	UDP_V6_FLOW	0x06	/* hash only */
858 #define	SCTP_V6_FLOW	0x07	/* hash only */
859 #define	AH_ESP_V6_FLOW	0x08	/* hash only */
860 #define	AH_V4_FLOW	0x09	/* hash or spec (ah_ip4_spec) */
861 #define	ESP_V4_FLOW	0x0a	/* hash or spec (esp_ip4_spec) */
862 #define	AH_V6_FLOW	0x0b	/* hash only */
863 #define	ESP_V6_FLOW	0x0c	/* hash only */
864 #define	IP_USER_FLOW	0x0d	/* spec only (usr_ip4_spec) */
865 #define	IPV4_FLOW	0x10	/* hash only */
866 #define	IPV6_FLOW	0x11	/* hash only */
867 #define	ETHER_FLOW	0x12	/* spec only (ether_spec) */
868 
869 /* L3-L4 network traffic flow hash options */
870 #define	RXH_L2DA	(1 << 1)
871 #define	RXH_VLAN	(1 << 2)
872 #define	RXH_L3_PROTO	(1 << 3)
873 #define	RXH_IP_SRC	(1 << 4)
874 #define	RXH_IP_DST	(1 << 5)
875 #define	RXH_L4_B_0_1	(1 << 6) /* src port in case of TCP/UDP/SCTP */
876 #define	RXH_L4_B_2_3	(1 << 7) /* dst port in case of TCP/UDP/SCTP */
877 #define	RXH_DISCARD	(1 << 31)
878 
879 #define	RX_CLS_FLOW_DISC	0xffffffffffffffffULL
880 
881 /* Reset flags */
882 /* The reset() operation must clear the flags for the components which
883  * were actually reset.  On successful return, the flags indicate the
884  * components which were not reset, either because they do not exist
885  * in the hardware or because they cannot be reset independently.  The
886  * driver must never reset any components that were not requested.
887  */
888 enum ethtool_reset_flags {
889 	/* These flags represent components dedicated to the interface
890 	 * the command is addressed to.  Shift any flag left by
891 	 * ETH_RESET_SHARED_SHIFT to reset a shared component of the
892 	 * same type.
893 	 */
894 	ETH_RESET_MGMT		= 1 << 0,	/* Management processor */
895 	ETH_RESET_IRQ		= 1 << 1,	/* Interrupt requester */
896 	ETH_RESET_DMA		= 1 << 2,	/* DMA engine */
897 	ETH_RESET_FILTER	= 1 << 3,	/* Filtering/flow direction */
898 	ETH_RESET_OFFLOAD	= 1 << 4,	/* Protocol offload */
899 	ETH_RESET_MAC		= 1 << 5,	/* Media access controller */
900 	ETH_RESET_PHY		= 1 << 6,	/* Transceiver/PHY */
901 	ETH_RESET_RAM		= 1 << 7,	/* RAM shared between
902 						 * multiple components */
903 
904 	ETH_RESET_DEDICATED	= 0x0000ffff,	/* All components dedicated to
905 						 * this interface */
906 	ETH_RESET_ALL		= 0xffffffff,	/* All components used by this
907 						 * interface, even if shared */
908 };
909 #define ETH_RESET_SHARED_SHIFT	16
910 
911 #endif /* _LINUX_ETHTOOL_H */
912