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-rw-r--r--include/linux/ethtool.h471
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diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
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1/*
2 * ethtool.h: Defines for Linux ethtool.
3 *
4 * Copyright (C) 1998 David S. Miller (davem@redhat.com)
5 * Copyright 2001 Jeff Garzik <jgarzik@pobox.com>
6 * Portions Copyright 2001 Sun Microsystems (thockin@sun.com)
7 * Portions Copyright 2002 Intel (eli.kupermann@intel.com,
8 * christopher.leech@intel.com,
9 * scott.feldman@intel.com)
10 */
11
12#ifndef _LINUX_ETHTOOL_H
13#define _LINUX_ETHTOOL_H
14
15
16/* This should work for both 32 and 64 bit userland. */
17struct ethtool_cmd {
18 u32 cmd;
19 u32 supported; /* Features this interface supports */
20 u32 advertising; /* Features this interface advertises */
21 u16 speed; /* The forced speed, 10Mb, 100Mb, gigabit */
22 u8 duplex; /* Duplex, half or full */
23 u8 port; /* Which connector port */
24 u8 phy_address;
25 u8 transceiver; /* Which transceiver to use */
26 u8 autoneg; /* Enable or disable autonegotiation */
27 u32 maxtxpkt; /* Tx pkts before generating tx int */
28 u32 maxrxpkt; /* Rx pkts before generating rx int */
29 u32 reserved[4];
30};
31
32#define ETHTOOL_BUSINFO_LEN 32
33/* these strings are set to whatever the driver author decides... */
34struct ethtool_drvinfo {
35 u32 cmd;
36 char driver[32]; /* driver short name, "tulip", "eepro100" */
37 char version[32]; /* driver version string */
38 char fw_version[32]; /* firmware version string, if applicable */
39 char bus_info[ETHTOOL_BUSINFO_LEN]; /* Bus info for this IF. */
40 /* For PCI devices, use pci_name(pci_dev). */
41 char reserved1[32];
42 char reserved2[16];
43 u32 n_stats; /* number of u64's from ETHTOOL_GSTATS */
44 u32 testinfo_len;
45 u32 eedump_len; /* Size of data from ETHTOOL_GEEPROM (bytes) */
46 u32 regdump_len; /* Size of data from ETHTOOL_GREGS (bytes) */
47};
48
49#define SOPASS_MAX 6
50/* wake-on-lan settings */
51struct ethtool_wolinfo {
52 u32 cmd;
53 u32 supported;
54 u32 wolopts;
55 u8 sopass[SOPASS_MAX]; /* SecureOn(tm) password */
56};
57
58/* for passing single values */
59struct ethtool_value {
60 u32 cmd;
61 u32 data;
62};
63
64/* for passing big chunks of data */
65struct ethtool_regs {
66 u32 cmd;
67 u32 version; /* driver-specific, indicates different chips/revs */
68 u32 len; /* bytes */
69 u8 data[0];
70};
71
72/* for passing EEPROM chunks */
73struct ethtool_eeprom {
74 u32 cmd;
75 u32 magic;
76 u32 offset; /* in bytes */
77 u32 len; /* in bytes */
78 u8 data[0];
79};
80
81/* for configuring coalescing parameters of chip */
82struct ethtool_coalesce {
83 u32 cmd; /* ETHTOOL_{G,S}COALESCE */
84
85 /* How many usecs to delay an RX interrupt after
86 * a packet arrives. If 0, only rx_max_coalesced_frames
87 * is used.
88 */
89 u32 rx_coalesce_usecs;
90
91 /* How many packets to delay an RX interrupt after
92 * a packet arrives. If 0, only rx_coalesce_usecs is
93 * used. It is illegal to set both usecs and max frames
94 * to zero as this would cause RX interrupts to never be
95 * generated.
96 */
97 u32 rx_max_coalesced_frames;
98
99 /* Same as above two parameters, except that these values
100 * apply while an IRQ is being serviced by the host. Not
101 * all cards support this feature and the values are ignored
102 * in that case.
103 */
104 u32 rx_coalesce_usecs_irq;
105 u32 rx_max_coalesced_frames_irq;
106
107 /* How many usecs to delay a TX interrupt after
108 * a packet is sent. If 0, only tx_max_coalesced_frames
109 * is used.
110 */
111 u32 tx_coalesce_usecs;
112
113 /* How many packets to delay a TX interrupt after
114 * a packet is sent. If 0, only tx_coalesce_usecs is
115 * used. It is illegal to set both usecs and max frames
116 * to zero as this would cause TX interrupts to never be
117 * generated.
118 */
119 u32 tx_max_coalesced_frames;
120
121 /* Same as above two parameters, except that these values
122 * apply while an IRQ is being serviced by the host. Not
123 * all cards support this feature and the values are ignored
124 * in that case.
125 */
126 u32 tx_coalesce_usecs_irq;
127 u32 tx_max_coalesced_frames_irq;
128
129 /* How many usecs to delay in-memory statistics
130 * block updates. Some drivers do not have an in-memory
131 * statistic block, and in such cases this value is ignored.
132 * This value must not be zero.
133 */
134 u32 stats_block_coalesce_usecs;
135
136 /* Adaptive RX/TX coalescing is an algorithm implemented by
137 * some drivers to improve latency under low packet rates and
138 * improve throughput under high packet rates. Some drivers
139 * only implement one of RX or TX adaptive coalescing. Anything
140 * not implemented by the driver causes these values to be
141 * silently ignored.
142 */
143 u32 use_adaptive_rx_coalesce;
144 u32 use_adaptive_tx_coalesce;
145
146 /* When the packet rate (measured in packets per second)
147 * is below pkt_rate_low, the {rx,tx}_*_low parameters are
148 * used.
149 */
150 u32 pkt_rate_low;
151 u32 rx_coalesce_usecs_low;
152 u32 rx_max_coalesced_frames_low;
153 u32 tx_coalesce_usecs_low;
154 u32 tx_max_coalesced_frames_low;
155
156 /* When the packet rate is below pkt_rate_high but above
157 * pkt_rate_low (both measured in packets per second) the
158 * normal {rx,tx}_* coalescing parameters are used.
159 */
160
161 /* When the packet rate is (measured in packets per second)
162 * is above pkt_rate_high, the {rx,tx}_*_high parameters are
163 * used.
164 */
165 u32 pkt_rate_high;
166 u32 rx_coalesce_usecs_high;
167 u32 rx_max_coalesced_frames_high;
168 u32 tx_coalesce_usecs_high;
169 u32 tx_max_coalesced_frames_high;
170
171 /* How often to do adaptive coalescing packet rate sampling,
172 * measured in seconds. Must not be zero.
173 */
174 u32 rate_sample_interval;
175};
176
177/* for configuring RX/TX ring parameters */
178struct ethtool_ringparam {
179 u32 cmd; /* ETHTOOL_{G,S}RINGPARAM */
180
181 /* Read only attributes. These indicate the maximum number
182 * of pending RX/TX ring entries the driver will allow the
183 * user to set.
184 */
185 u32 rx_max_pending;
186 u32 rx_mini_max_pending;
187 u32 rx_jumbo_max_pending;
188 u32 tx_max_pending;
189
190 /* Values changeable by the user. The valid values are
191 * in the range 1 to the "*_max_pending" counterpart above.
192 */
193 u32 rx_pending;
194 u32 rx_mini_pending;
195 u32 rx_jumbo_pending;
196 u32 tx_pending;
197};
198
199/* for configuring link flow control parameters */
200struct ethtool_pauseparam {
201 u32 cmd; /* ETHTOOL_{G,S}PAUSEPARAM */
202
203 /* If the link is being auto-negotiated (via ethtool_cmd.autoneg
204 * being true) the user may set 'autonet' here non-zero to have the
205 * pause parameters be auto-negotiated too. In such a case, the
206 * {rx,tx}_pause values below determine what capabilities are
207 * advertised.
208 *
209 * If 'autoneg' is zero or the link is not being auto-negotiated,
210 * then {rx,tx}_pause force the driver to use/not-use pause
211 * flow control.
212 */
213 u32 autoneg;
214 u32 rx_pause;
215 u32 tx_pause;
216};
217
218#define ETH_GSTRING_LEN 32
219enum ethtool_stringset {
220 ETH_SS_TEST = 0,
221 ETH_SS_STATS,
222};
223
224/* for passing string sets for data tagging */
225struct ethtool_gstrings {
226 u32 cmd; /* ETHTOOL_GSTRINGS */
227 u32 string_set; /* string set id e.c. ETH_SS_TEST, etc*/
228 u32 len; /* number of strings in the string set */
229 u8 data[0];
230};
231
232enum ethtool_test_flags {
233 ETH_TEST_FL_OFFLINE = (1 << 0), /* online / offline */
234 ETH_TEST_FL_FAILED = (1 << 1), /* test passed / failed */
235};
236
237/* for requesting NIC test and getting results*/
238struct ethtool_test {
239 u32 cmd; /* ETHTOOL_TEST */
240 u32 flags; /* ETH_TEST_FL_xxx */
241 u32 reserved;
242 u32 len; /* result length, in number of u64 elements */
243 u64 data[0];
244};
245
246/* for dumping NIC-specific statistics */
247struct ethtool_stats {
248 u32 cmd; /* ETHTOOL_GSTATS */
249 u32 n_stats; /* number of u64's being returned */
250 u64 data[0];
251};
252
253struct net_device;
254
255/* Some generic methods drivers may use in their ethtool_ops */
256u32 ethtool_op_get_link(struct net_device *dev);
257u32 ethtool_op_get_tx_csum(struct net_device *dev);
258int ethtool_op_set_tx_csum(struct net_device *dev, u32 data);
259u32 ethtool_op_get_sg(struct net_device *dev);
260int ethtool_op_set_sg(struct net_device *dev, u32 data);
261u32 ethtool_op_get_tso(struct net_device *dev);
262int ethtool_op_set_tso(struct net_device *dev, u32 data);
263
264/**
265 * &ethtool_ops - Alter and report network device settings
266 * get_settings: Get device-specific settings
267 * set_settings: Set device-specific settings
268 * get_drvinfo: Report driver information
269 * get_regs: Get device registers
270 * get_wol: Report whether Wake-on-Lan is enabled
271 * set_wol: Turn Wake-on-Lan on or off
272 * get_msglevel: Report driver message level
273 * set_msglevel: Set driver message level
274 * nway_reset: Restart autonegotiation
275 * get_link: Get link status
276 * get_eeprom: Read data from the device EEPROM
277 * set_eeprom: Write data to the device EEPROM
278 * get_coalesce: Get interrupt coalescing parameters
279 * set_coalesce: Set interrupt coalescing parameters
280 * get_ringparam: Report ring sizes
281 * set_ringparam: Set ring sizes
282 * get_pauseparam: Report pause parameters
283 * set_pauseparam: Set pause paramters
284 * get_rx_csum: Report whether receive checksums are turned on or off
285 * set_rx_csum: Turn receive checksum on or off
286 * get_tx_csum: Report whether transmit checksums are turned on or off
287 * set_tx_csum: Turn transmit checksums on or off
288 * get_sg: Report whether scatter-gather is enabled
289 * set_sg: Turn scatter-gather on or off
290 * get_tso: Report whether TCP segmentation offload is enabled
291 * set_tso: Turn TCP segmentation offload on or off
292 * self_test: Run specified self-tests
293 * get_strings: Return a set of strings that describe the requested objects
294 * phys_id: Identify the device
295 * get_stats: Return statistics about the device
296 *
297 * Description:
298 *
299 * get_settings:
300 * @get_settings is passed an &ethtool_cmd to fill in. It returns
301 * an negative errno or zero.
302 *
303 * set_settings:
304 * @set_settings is passed an &ethtool_cmd and should attempt to set
305 * all the settings this device supports. It may return an error value
306 * if something goes wrong (otherwise 0).
307 *
308 * get_eeprom:
309 * Should fill in the magic field. Don't need to check len for zero
310 * or wraparound. Fill in the data argument with the eeprom values
311 * from offset to offset + len. Update len to the amount read.
312 * Returns an error or zero.
313 *
314 * set_eeprom:
315 * Should validate the magic field. Don't need to check len for zero
316 * or wraparound. Update len to the amount written. Returns an error
317 * or zero.
318 */
319struct ethtool_ops {
320 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
321 int (*set_settings)(struct net_device *, struct ethtool_cmd *);
322 void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *);
323 int (*get_regs_len)(struct net_device *);
324 void (*get_regs)(struct net_device *, struct ethtool_regs *, void *);
325 void (*get_wol)(struct net_device *, struct ethtool_wolinfo *);
326 int (*set_wol)(struct net_device *, struct ethtool_wolinfo *);
327 u32 (*get_msglevel)(struct net_device *);
328 void (*set_msglevel)(struct net_device *, u32);
329 int (*nway_reset)(struct net_device *);
330 u32 (*get_link)(struct net_device *);
331 int (*get_eeprom_len)(struct net_device *);
332 int (*get_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *);
333 int (*set_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *);
334 int (*get_coalesce)(struct net_device *, struct ethtool_coalesce *);
335 int (*set_coalesce)(struct net_device *, struct ethtool_coalesce *);
336 void (*get_ringparam)(struct net_device *, struct ethtool_ringparam *);
337 int (*set_ringparam)(struct net_device *, struct ethtool_ringparam *);
338 void (*get_pauseparam)(struct net_device *, struct ethtool_pauseparam*);
339 int (*set_pauseparam)(struct net_device *, struct ethtool_pauseparam*);
340 u32 (*get_rx_csum)(struct net_device *);
341 int (*set_rx_csum)(struct net_device *, u32);
342 u32 (*get_tx_csum)(struct net_device *);
343 int (*set_tx_csum)(struct net_device *, u32);
344 u32 (*get_sg)(struct net_device *);
345 int (*set_sg)(struct net_device *, u32);
346 u32 (*get_tso)(struct net_device *);
347 int (*set_tso)(struct net_device *, u32);
348 int (*self_test_count)(struct net_device *);
349 void (*self_test)(struct net_device *, struct ethtool_test *, u64 *);
350 void (*get_strings)(struct net_device *, u32 stringset, u8 *);
351 int (*phys_id)(struct net_device *, u32);
352 int (*get_stats_count)(struct net_device *);
353 void (*get_ethtool_stats)(struct net_device *, struct ethtool_stats *, u64 *);
354 int (*begin)(struct net_device *);
355 void (*complete)(struct net_device *);
356};
357
358/* CMDs currently supported */
359#define ETHTOOL_GSET 0x00000001 /* Get settings. */
360#define ETHTOOL_SSET 0x00000002 /* Set settings. */
361#define ETHTOOL_GDRVINFO 0x00000003 /* Get driver info. */
362#define ETHTOOL_GREGS 0x00000004 /* Get NIC registers. */
363#define ETHTOOL_GWOL 0x00000005 /* Get wake-on-lan options. */
364#define ETHTOOL_SWOL 0x00000006 /* Set wake-on-lan options. */
365#define ETHTOOL_GMSGLVL 0x00000007 /* Get driver message level */
366#define ETHTOOL_SMSGLVL 0x00000008 /* Set driver msg level. */
367#define ETHTOOL_NWAY_RST 0x00000009 /* Restart autonegotiation. */
368#define ETHTOOL_GLINK 0x0000000a /* Get link status (ethtool_value) */
369#define ETHTOOL_GEEPROM 0x0000000b /* Get EEPROM data */
370#define ETHTOOL_SEEPROM 0x0000000c /* Set EEPROM data. */
371#define ETHTOOL_GCOALESCE 0x0000000e /* Get coalesce config */
372#define ETHTOOL_SCOALESCE 0x0000000f /* Set coalesce config. */
373#define ETHTOOL_GRINGPARAM 0x00000010 /* Get ring parameters */
374#define ETHTOOL_SRINGPARAM 0x00000011 /* Set ring parameters. */
375#define ETHTOOL_GPAUSEPARAM 0x00000012 /* Get pause parameters */
376#define ETHTOOL_SPAUSEPARAM 0x00000013 /* Set pause parameters. */
377#define ETHTOOL_GRXCSUM 0x00000014 /* Get RX hw csum enable (ethtool_value) */
378#define ETHTOOL_SRXCSUM 0x00000015 /* Set RX hw csum enable (ethtool_value) */
379#define ETHTOOL_GTXCSUM 0x00000016 /* Get TX hw csum enable (ethtool_value) */
380#define ETHTOOL_STXCSUM 0x00000017 /* Set TX hw csum enable (ethtool_value) */
381#define ETHTOOL_GSG 0x00000018 /* Get scatter-gather enable
382 * (ethtool_value) */
383#define ETHTOOL_SSG 0x00000019 /* Set scatter-gather enable
384 * (ethtool_value). */
385#define ETHTOOL_TEST 0x0000001a /* execute NIC self-test. */
386#define ETHTOOL_GSTRINGS 0x0000001b /* get specified string set */
387#define ETHTOOL_PHYS_ID 0x0000001c /* identify the NIC */
388#define ETHTOOL_GSTATS 0x0000001d /* get NIC-specific statistics */
389#define ETHTOOL_GTSO 0x0000001e /* Get TSO enable (ethtool_value) */
390#define ETHTOOL_STSO 0x0000001f /* Set TSO enable (ethtool_value) */
391
392/* compatibility with older code */
393#define SPARC_ETH_GSET ETHTOOL_GSET
394#define SPARC_ETH_SSET ETHTOOL_SSET
395
396/* Indicates what features are supported by the interface. */
397#define SUPPORTED_10baseT_Half (1 << 0)
398#define SUPPORTED_10baseT_Full (1 << 1)
399#define SUPPORTED_100baseT_Half (1 << 2)
400#define SUPPORTED_100baseT_Full (1 << 3)
401#define SUPPORTED_1000baseT_Half (1 << 4)
402#define SUPPORTED_1000baseT_Full (1 << 5)
403#define SUPPORTED_Autoneg (1 << 6)
404#define SUPPORTED_TP (1 << 7)
405#define SUPPORTED_AUI (1 << 8)
406#define SUPPORTED_MII (1 << 9)
407#define SUPPORTED_FIBRE (1 << 10)
408#define SUPPORTED_BNC (1 << 11)
409#define SUPPORTED_10000baseT_Full (1 << 12)
410
411/* Indicates what features are advertised by the interface. */
412#define ADVERTISED_10baseT_Half (1 << 0)
413#define ADVERTISED_10baseT_Full (1 << 1)
414#define ADVERTISED_100baseT_Half (1 << 2)
415#define ADVERTISED_100baseT_Full (1 << 3)
416#define ADVERTISED_1000baseT_Half (1 << 4)
417#define ADVERTISED_1000baseT_Full (1 << 5)
418#define ADVERTISED_Autoneg (1 << 6)
419#define ADVERTISED_TP (1 << 7)
420#define ADVERTISED_AUI (1 << 8)
421#define ADVERTISED_MII (1 << 9)
422#define ADVERTISED_FIBRE (1 << 10)
423#define ADVERTISED_BNC (1 << 11)
424#define ADVERTISED_10000baseT_Full (1 << 12)
425
426/* The following are all involved in forcing a particular link
427 * mode for the device for setting things. When getting the
428 * devices settings, these indicate the current mode and whether
429 * it was foced up into this mode or autonegotiated.
430 */
431
432/* The forced speed, 10Mb, 100Mb, gigabit, 10GbE. */
433#define SPEED_10 10
434#define SPEED_100 100
435#define SPEED_1000 1000
436#define SPEED_10000 10000
437
438/* Duplex, half or full. */
439#define DUPLEX_HALF 0x00
440#define DUPLEX_FULL 0x01
441
442/* Which connector port. */
443#define PORT_TP 0x00
444#define PORT_AUI 0x01
445#define PORT_MII 0x02
446#define PORT_FIBRE 0x03
447#define PORT_BNC 0x04
448
449/* Which transceiver to use. */
450#define XCVR_INTERNAL 0x00
451#define XCVR_EXTERNAL 0x01
452#define XCVR_DUMMY1 0x02
453#define XCVR_DUMMY2 0x03
454#define XCVR_DUMMY3 0x04
455
456/* Enable or disable autonegotiation. If this is set to enable,
457 * the forced link modes above are completely ignored.
458 */
459#define AUTONEG_DISABLE 0x00
460#define AUTONEG_ENABLE 0x01
461
462/* Wake-On-Lan options. */
463#define WAKE_PHY (1 << 0)
464#define WAKE_UCAST (1 << 1)
465#define WAKE_MCAST (1 << 2)
466#define WAKE_BCAST (1 << 3)
467#define WAKE_ARP (1 << 4)
468#define WAKE_MAGIC (1 << 5)
469#define WAKE_MAGICSECURE (1 << 6) /* only meaningful if WAKE_MAGIC */
470
471#endif /* _LINUX_ETHTOOL_H */
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