ethtool.h 18 KB

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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. #ifndef _LINUX_ETHTOOL_H
  12. #define _LINUX_ETHTOOL_H
  13. /* This should work for both 32 and 64 bit userland. */
  14. struct ethtool_cmd {
  15. __u32 cmd;
  16. __u32 supported; /* Features this interface supports */
  17. __u32 advertising; /* Features this interface advertises */
  18. __u16 speed; /* The forced speed, 10Mb, 100Mb, gigabit */
  19. __u8 duplex; /* Duplex, half or full */
  20. __u8 port; /* Which connector port */
  21. __u8 phy_address;
  22. __u8 transceiver; /* Which transceiver to use */
  23. __u8 autoneg; /* Enable or disable autonegotiation */
  24. __u32 maxtxpkt; /* Tx pkts before generating tx int */
  25. __u32 maxrxpkt; /* Rx pkts before generating rx int */
  26. __u32 reserved[4];
  27. };
  28. #define ETHTOOL_BUSINFO_LEN 32
  29. /* these strings are set to whatever the driver author decides... */
  30. struct ethtool_drvinfo {
  31. __u32 cmd;
  32. char driver[32]; /* driver short name, "tulip", "eepro100" */
  33. char version[32]; /* driver version string */
  34. char fw_version[32]; /* firmware version string, if applicable */
  35. char bus_info[ETHTOOL_BUSINFO_LEN]; /* Bus info for this IF. */
  36. /* For PCI devices, use pci_name(pci_dev). */
  37. char reserved1[32];
  38. char reserved2[16];
  39. __u32 n_stats; /* number of u64's from ETHTOOL_GSTATS */
  40. __u32 testinfo_len;
  41. __u32 eedump_len; /* Size of data from ETHTOOL_GEEPROM (bytes) */
  42. __u32 regdump_len; /* Size of data from ETHTOOL_GREGS (bytes) */
  43. };
  44. #define SOPASS_MAX 6
  45. /* wake-on-lan settings */
  46. struct ethtool_wolinfo {
  47. __u32 cmd;
  48. __u32 supported;
  49. __u32 wolopts;
  50. __u8 sopass[SOPASS_MAX]; /* SecureOn(tm) password */
  51. };
  52. /* for passing single values */
  53. struct ethtool_value {
  54. __u32 cmd;
  55. __u32 data;
  56. };
  57. /* for passing big chunks of data */
  58. struct ethtool_regs {
  59. __u32 cmd;
  60. __u32 version; /* driver-specific, indicates different chips/revs */
  61. __u32 len; /* bytes */
  62. __u8 data[0];
  63. };
  64. /* for passing EEPROM chunks */
  65. struct ethtool_eeprom {
  66. __u32 cmd;
  67. __u32 magic;
  68. __u32 offset; /* in bytes */
  69. __u32 len; /* in bytes */
  70. __u8 data[0];
  71. };
  72. /* for configuring coalescing parameters of chip */
  73. struct ethtool_coalesce {
  74. __u32 cmd; /* ETHTOOL_{G,S}COALESCE */
  75. /* How many usecs to delay an RX interrupt after
  76. * a packet arrives. If 0, only rx_max_coalesced_frames
  77. * is used.
  78. */
  79. __u32 rx_coalesce_usecs;
  80. /* How many packets to delay an RX interrupt after
  81. * a packet arrives. If 0, only rx_coalesce_usecs is
  82. * used. It is illegal to set both usecs and max frames
  83. * to zero as this would cause RX interrupts to never be
  84. * generated.
  85. */
  86. __u32 rx_max_coalesced_frames;
  87. /* Same as above two parameters, except that these values
  88. * apply while an IRQ is being serviced by the host. Not
  89. * all cards support this feature and the values are ignored
  90. * in that case.
  91. */
  92. __u32 rx_coalesce_usecs_irq;
  93. __u32 rx_max_coalesced_frames_irq;
  94. /* How many usecs to delay a TX interrupt after
  95. * a packet is sent. If 0, only tx_max_coalesced_frames
  96. * is used.
  97. */
  98. __u32 tx_coalesce_usecs;
  99. /* How many packets to delay a TX interrupt after
  100. * a packet is sent. If 0, only tx_coalesce_usecs is
  101. * used. It is illegal to set both usecs and max frames
  102. * to zero as this would cause TX interrupts to never be
  103. * generated.
  104. */
  105. __u32 tx_max_coalesced_frames;
  106. /* Same as above two parameters, except that these values
  107. * apply while an IRQ is being serviced by the host. Not
  108. * all cards support this feature and the values are ignored
  109. * in that case.
  110. */
  111. __u32 tx_coalesce_usecs_irq;
  112. __u32 tx_max_coalesced_frames_irq;
  113. /* How many usecs to delay in-memory statistics
  114. * block updates. Some drivers do not have an in-memory
  115. * statistic block, and in such cases this value is ignored.
  116. * This value must not be zero.
  117. */
  118. __u32 stats_block_coalesce_usecs;
  119. /* Adaptive RX/TX coalescing is an algorithm implemented by
  120. * some drivers to improve latency under low packet rates and
  121. * improve throughput under high packet rates. Some drivers
  122. * only implement one of RX or TX adaptive coalescing. Anything
  123. * not implemented by the driver causes these values to be
  124. * silently ignored.
  125. */
  126. __u32 use_adaptive_rx_coalesce;
  127. __u32 use_adaptive_tx_coalesce;
  128. /* When the packet rate (measured in packets per second)
  129. * is below pkt_rate_low, the {rx,tx}_*_low parameters are
  130. * used.
  131. */
  132. __u32 pkt_rate_low;
  133. __u32 rx_coalesce_usecs_low;
  134. __u32 rx_max_coalesced_frames_low;
  135. __u32 tx_coalesce_usecs_low;
  136. __u32 tx_max_coalesced_frames_low;
  137. /* When the packet rate is below pkt_rate_high but above
  138. * pkt_rate_low (both measured in packets per second) the
  139. * normal {rx,tx}_* coalescing parameters are used.
  140. */
  141. /* When the packet rate is (measured in packets per second)
  142. * is above pkt_rate_high, the {rx,tx}_*_high parameters are
  143. * used.
  144. */
  145. __u32 pkt_rate_high;
  146. __u32 rx_coalesce_usecs_high;
  147. __u32 rx_max_coalesced_frames_high;
  148. __u32 tx_coalesce_usecs_high;
  149. __u32 tx_max_coalesced_frames_high;
  150. /* How often to do adaptive coalescing packet rate sampling,
  151. * measured in seconds. Must not be zero.
  152. */
  153. __u32 rate_sample_interval;
  154. };
  155. /* for configuring RX/TX ring parameters */
  156. struct ethtool_ringparam {
  157. __u32 cmd; /* ETHTOOL_{G,S}RINGPARAM */
  158. /* Read only attributes. These indicate the maximum number
  159. * of pending RX/TX ring entries the driver will allow the
  160. * user to set.
  161. */
  162. __u32 rx_max_pending;
  163. __u32 rx_mini_max_pending;
  164. __u32 rx_jumbo_max_pending;
  165. __u32 tx_max_pending;
  166. /* Values changeable by the user. The valid values are
  167. * in the range 1 to the "*_max_pending" counterpart above.
  168. */
  169. __u32 rx_pending;
  170. __u32 rx_mini_pending;
  171. __u32 rx_jumbo_pending;
  172. __u32 tx_pending;
  173. };
  174. /* for configuring link flow control parameters */
  175. struct ethtool_pauseparam {
  176. __u32 cmd; /* ETHTOOL_{G,S}PAUSEPARAM */
  177. /* If the link is being auto-negotiated (via ethtool_cmd.autoneg
  178. * being true) the user may set 'autonet' here non-zero to have the
  179. * pause parameters be auto-negotiated too. In such a case, the
  180. * {rx,tx}_pause values below determine what capabilities are
  181. * advertised.
  182. *
  183. * If 'autoneg' is zero or the link is not being auto-negotiated,
  184. * then {rx,tx}_pause force the driver to use/not-use pause
  185. * flow control.
  186. */
  187. __u32 autoneg;
  188. __u32 rx_pause;
  189. __u32 tx_pause;
  190. };
  191. #define ETH_GSTRING_LEN 32
  192. enum ethtool_stringset {
  193. ETH_SS_TEST = 0,
  194. ETH_SS_STATS,
  195. };
  196. /* for passing string sets for data tagging */
  197. struct ethtool_gstrings {
  198. __u32 cmd; /* ETHTOOL_GSTRINGS */
  199. __u32 string_set; /* string set id e.c. ETH_SS_TEST, etc*/
  200. __u32 len; /* number of strings in the string set */
  201. __u8 data[0];
  202. };
  203. enum ethtool_test_flags {
  204. ETH_TEST_FL_OFFLINE = (1 << 0), /* online / offline */
  205. ETH_TEST_FL_FAILED = (1 << 1), /* test passed / failed */
  206. };
  207. /* for requesting NIC test and getting results*/
  208. struct ethtool_test {
  209. __u32 cmd; /* ETHTOOL_TEST */
  210. __u32 flags; /* ETH_TEST_FL_xxx */
  211. __u32 reserved;
  212. __u32 len; /* result length, in number of u64 elements */
  213. __u64 data[0];
  214. };
  215. /* for dumping NIC-specific statistics */
  216. struct ethtool_stats {
  217. __u32 cmd; /* ETHTOOL_GSTATS */
  218. __u32 n_stats; /* number of u64's being returned */
  219. __u64 data[0];
  220. };
  221. struct ethtool_perm_addr {
  222. __u32 cmd; /* ETHTOOL_GPERMADDR */
  223. __u32 size;
  224. __u8 data[0];
  225. };
  226. #ifdef __KERNEL__
  227. struct net_device;
  228. /* Some generic methods drivers may use in their ethtool_ops */
  229. u32 ethtool_op_get_link(struct net_device *dev);
  230. u32 ethtool_op_get_tx_csum(struct net_device *dev);
  231. int ethtool_op_set_tx_csum(struct net_device *dev, u32 data);
  232. int ethtool_op_set_tx_hw_csum(struct net_device *dev, u32 data);
  233. u32 ethtool_op_get_sg(struct net_device *dev);
  234. int ethtool_op_set_sg(struct net_device *dev, u32 data);
  235. u32 ethtool_op_get_tso(struct net_device *dev);
  236. int ethtool_op_set_tso(struct net_device *dev, u32 data);
  237. int ethtool_op_get_perm_addr(struct net_device *dev,
  238. struct ethtool_perm_addr *addr, u8 *data);
  239. u32 ethtool_op_get_ufo(struct net_device *dev);
  240. int ethtool_op_set_ufo(struct net_device *dev, u32 data);
  241. /**
  242. * &ethtool_ops - Alter and report network device settings
  243. * get_settings: Get device-specific settings
  244. * set_settings: Set device-specific settings
  245. * get_drvinfo: Report driver information
  246. * get_regs: Get device registers
  247. * get_wol: Report whether Wake-on-Lan is enabled
  248. * set_wol: Turn Wake-on-Lan on or off
  249. * get_msglevel: Report driver message level
  250. * set_msglevel: Set driver message level
  251. * nway_reset: Restart autonegotiation
  252. * get_link: Get link status
  253. * get_eeprom: Read data from the device EEPROM
  254. * set_eeprom: Write data to the device EEPROM
  255. * get_coalesce: Get interrupt coalescing parameters
  256. * set_coalesce: Set interrupt coalescing parameters
  257. * get_ringparam: Report ring sizes
  258. * set_ringparam: Set ring sizes
  259. * get_pauseparam: Report pause parameters
  260. * set_pauseparam: Set pause paramters
  261. * get_rx_csum: Report whether receive checksums are turned on or off
  262. * set_rx_csum: Turn receive checksum on or off
  263. * get_tx_csum: Report whether transmit checksums are turned on or off
  264. * set_tx_csum: Turn transmit checksums on or off
  265. * get_sg: Report whether scatter-gather is enabled
  266. * set_sg: Turn scatter-gather on or off
  267. * get_tso: Report whether TCP segmentation offload is enabled
  268. * set_tso: Turn TCP segmentation offload on or off
  269. * get_ufo: Report whether UDP fragmentation offload is enabled
  270. * set_ufo: Turn UDP fragmentation offload on or off
  271. * self_test: Run specified self-tests
  272. * get_strings: Return a set of strings that describe the requested objects
  273. * phys_id: Identify the device
  274. * get_stats: Return statistics about the device
  275. * get_perm_addr: Gets the permanent hardware address
  276. *
  277. * Description:
  278. *
  279. * get_settings:
  280. * @get_settings is passed an &ethtool_cmd to fill in. It returns
  281. * an negative errno or zero.
  282. *
  283. * set_settings:
  284. * @set_settings is passed an &ethtool_cmd and should attempt to set
  285. * all the settings this device supports. It may return an error value
  286. * if something goes wrong (otherwise 0).
  287. *
  288. * get_eeprom:
  289. * Should fill in the magic field. Don't need to check len for zero
  290. * or wraparound. Fill in the data argument with the eeprom values
  291. * from offset to offset + len. Update len to the amount read.
  292. * Returns an error or zero.
  293. *
  294. * set_eeprom:
  295. * Should validate the magic field. Don't need to check len for zero
  296. * or wraparound. Update len to the amount written. Returns an error
  297. * or zero.
  298. */
  299. struct ethtool_ops {
  300. int (*get_settings)(struct net_device *, struct ethtool_cmd *);
  301. int (*set_settings)(struct net_device *, struct ethtool_cmd *);
  302. void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *);
  303. int (*get_regs_len)(struct net_device *);
  304. void (*get_regs)(struct net_device *, struct ethtool_regs *, void *);
  305. void (*get_wol)(struct net_device *, struct ethtool_wolinfo *);
  306. int (*set_wol)(struct net_device *, struct ethtool_wolinfo *);
  307. u32 (*get_msglevel)(struct net_device *);
  308. void (*set_msglevel)(struct net_device *, u32);
  309. int (*nway_reset)(struct net_device *);
  310. u32 (*get_link)(struct net_device *);
  311. int (*get_eeprom_len)(struct net_device *);
  312. int (*get_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *);
  313. int (*set_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *);
  314. int (*get_coalesce)(struct net_device *, struct ethtool_coalesce *);
  315. int (*set_coalesce)(struct net_device *, struct ethtool_coalesce *);
  316. void (*get_ringparam)(struct net_device *, struct ethtool_ringparam *);
  317. int (*set_ringparam)(struct net_device *, struct ethtool_ringparam *);
  318. void (*get_pauseparam)(struct net_device *, struct ethtool_pauseparam*);
  319. int (*set_pauseparam)(struct net_device *, struct ethtool_pauseparam*);
  320. u32 (*get_rx_csum)(struct net_device *);
  321. int (*set_rx_csum)(struct net_device *, u32);
  322. u32 (*get_tx_csum)(struct net_device *);
  323. int (*set_tx_csum)(struct net_device *, u32);
  324. u32 (*get_sg)(struct net_device *);
  325. int (*set_sg)(struct net_device *, u32);
  326. u32 (*get_tso)(struct net_device *);
  327. int (*set_tso)(struct net_device *, u32);
  328. int (*self_test_count)(struct net_device *);
  329. void (*self_test)(struct net_device *, struct ethtool_test *, u64 *);
  330. void (*get_strings)(struct net_device *, u32 stringset, u8 *);
  331. int (*phys_id)(struct net_device *, u32);
  332. int (*get_stats_count)(struct net_device *);
  333. void (*get_ethtool_stats)(struct net_device *, struct ethtool_stats *, u64 *);
  334. int (*get_perm_addr)(struct net_device *, struct ethtool_perm_addr *, u8 *);
  335. int (*begin)(struct net_device *);
  336. void (*complete)(struct net_device *);
  337. u32 (*get_ufo)(struct net_device *);
  338. int (*set_ufo)(struct net_device *, u32);
  339. };
  340. #endif /* __KERNEL__ */
  341. /* CMDs currently supported */
  342. #define ETHTOOL_GSET 0x00000001 /* Get settings. */
  343. #define ETHTOOL_SSET 0x00000002 /* Set settings. */
  344. #define ETHTOOL_GDRVINFO 0x00000003 /* Get driver info. */
  345. #define ETHTOOL_GREGS 0x00000004 /* Get NIC registers. */
  346. #define ETHTOOL_GWOL 0x00000005 /* Get wake-on-lan options. */
  347. #define ETHTOOL_SWOL 0x00000006 /* Set wake-on-lan options. */
  348. #define ETHTOOL_GMSGLVL 0x00000007 /* Get driver message level */
  349. #define ETHTOOL_SMSGLVL 0x00000008 /* Set driver msg level. */
  350. #define ETHTOOL_NWAY_RST 0x00000009 /* Restart autonegotiation. */
  351. #define ETHTOOL_GLINK 0x0000000a /* Get link status (ethtool_value) */
  352. #define ETHTOOL_GEEPROM 0x0000000b /* Get EEPROM data */
  353. #define ETHTOOL_SEEPROM 0x0000000c /* Set EEPROM data. */
  354. #define ETHTOOL_GCOALESCE 0x0000000e /* Get coalesce config */
  355. #define ETHTOOL_SCOALESCE 0x0000000f /* Set coalesce config. */
  356. #define ETHTOOL_GRINGPARAM 0x00000010 /* Get ring parameters */
  357. #define ETHTOOL_SRINGPARAM 0x00000011 /* Set ring parameters. */
  358. #define ETHTOOL_GPAUSEPARAM 0x00000012 /* Get pause parameters */
  359. #define ETHTOOL_SPAUSEPARAM 0x00000013 /* Set pause parameters. */
  360. #define ETHTOOL_GRXCSUM 0x00000014 /* Get RX hw csum enable (ethtool_value) */
  361. #define ETHTOOL_SRXCSUM 0x00000015 /* Set RX hw csum enable (ethtool_value) */
  362. #define ETHTOOL_GTXCSUM 0x00000016 /* Get TX hw csum enable (ethtool_value) */
  363. #define ETHTOOL_STXCSUM 0x00000017 /* Set TX hw csum enable (ethtool_value) */
  364. #define ETHTOOL_GSG 0x00000018 /* Get scatter-gather enable
  365. * (ethtool_value) */
  366. #define ETHTOOL_SSG 0x00000019 /* Set scatter-gather enable
  367. * (ethtool_value). */
  368. #define ETHTOOL_TEST 0x0000001a /* execute NIC self-test. */
  369. #define ETHTOOL_GSTRINGS 0x0000001b /* get specified string set */
  370. #define ETHTOOL_PHYS_ID 0x0000001c /* identify the NIC */
  371. #define ETHTOOL_GSTATS 0x0000001d /* get NIC-specific statistics */
  372. #define ETHTOOL_GTSO 0x0000001e /* Get TSO enable (ethtool_value) */
  373. #define ETHTOOL_STSO 0x0000001f /* Set TSO enable (ethtool_value) */
  374. #define ETHTOOL_GPERMADDR 0x00000020 /* Get permanent hardware address */
  375. #define ETHTOOL_GUFO 0x00000021 /* Get UFO enable (ethtool_value) */
  376. #define ETHTOOL_SUFO 0x00000022 /* Set UFO enable (ethtool_value) */
  377. #define ETHTOOL_GGSO 0x00000023 /* Get GSO enable (ethtool_value) */
  378. #define ETHTOOL_SGSO 0x00000024 /* Set GSO enable (ethtool_value) */
  379. /* compatibility with older code */
  380. #define SPARC_ETH_GSET ETHTOOL_GSET
  381. #define SPARC_ETH_SSET ETHTOOL_SSET
  382. /* Indicates what features are supported by the interface. */
  383. #define SUPPORTED_10baseT_Half (1 << 0)
  384. #define SUPPORTED_10baseT_Full (1 << 1)
  385. #define SUPPORTED_100baseT_Half (1 << 2)
  386. #define SUPPORTED_100baseT_Full (1 << 3)
  387. #define SUPPORTED_1000baseT_Half (1 << 4)
  388. #define SUPPORTED_1000baseT_Full (1 << 5)
  389. #define SUPPORTED_Autoneg (1 << 6)
  390. #define SUPPORTED_TP (1 << 7)
  391. #define SUPPORTED_AUI (1 << 8)
  392. #define SUPPORTED_MII (1 << 9)
  393. #define SUPPORTED_FIBRE (1 << 10)
  394. #define SUPPORTED_BNC (1 << 11)
  395. #define SUPPORTED_10000baseT_Full (1 << 12)
  396. #define SUPPORTED_Pause (1 << 13)
  397. #define SUPPORTED_Asym_Pause (1 << 14)
  398. /* Indicates what features are advertised by the interface. */
  399. #define ADVERTISED_10baseT_Half (1 << 0)
  400. #define ADVERTISED_10baseT_Full (1 << 1)
  401. #define ADVERTISED_100baseT_Half (1 << 2)
  402. #define ADVERTISED_100baseT_Full (1 << 3)
  403. #define ADVERTISED_1000baseT_Half (1 << 4)
  404. #define ADVERTISED_1000baseT_Full (1 << 5)
  405. #define ADVERTISED_Autoneg (1 << 6)
  406. #define ADVERTISED_TP (1 << 7)
  407. #define ADVERTISED_AUI (1 << 8)
  408. #define ADVERTISED_MII (1 << 9)
  409. #define ADVERTISED_FIBRE (1 << 10)
  410. #define ADVERTISED_BNC (1 << 11)
  411. #define ADVERTISED_10000baseT_Full (1 << 12)
  412. #define ADVERTISED_Pause (1 << 13)
  413. #define ADVERTISED_Asym_Pause (1 << 14)
  414. /* The following are all involved in forcing a particular link
  415. * mode for the device for setting things. When getting the
  416. * devices settings, these indicate the current mode and whether
  417. * it was foced up into this mode or autonegotiated.
  418. */
  419. /* The forced speed, 10Mb, 100Mb, gigabit, 2.5Gb, 10GbE. */
  420. #define SPEED_10 10
  421. #define SPEED_100 100
  422. #define SPEED_1000 1000
  423. #define SPEED_2500 2500
  424. #define SPEED_10000 10000
  425. /* Duplex, half or full. */
  426. #define DUPLEX_HALF 0x00
  427. #define DUPLEX_FULL 0x01
  428. /* Which connector port. */
  429. #define PORT_TP 0x00
  430. #define PORT_AUI 0x01
  431. #define PORT_MII 0x02
  432. #define PORT_FIBRE 0x03
  433. #define PORT_BNC 0x04
  434. /* Which transceiver to use. */
  435. #define XCVR_INTERNAL 0x00
  436. #define XCVR_EXTERNAL 0x01
  437. #define XCVR_DUMMY1 0x02
  438. #define XCVR_DUMMY2 0x03
  439. #define XCVR_DUMMY3 0x04
  440. /* Enable or disable autonegotiation. If this is set to enable,
  441. * the forced link modes above are completely ignored.
  442. */
  443. #define AUTONEG_DISABLE 0x00
  444. #define AUTONEG_ENABLE 0x01
  445. /* Wake-On-Lan options. */
  446. #define WAKE_PHY (1 << 0)
  447. #define WAKE_UCAST (1 << 1)
  448. #define WAKE_MCAST (1 << 2)
  449. #define WAKE_BCAST (1 << 3)
  450. #define WAKE_ARP (1 << 4)
  451. #define WAKE_MAGIC (1 << 5)
  452. #define WAKE_MAGICSECURE (1 << 6) /* only meaningful if WAKE_MAGIC */
  453. #endif /* _LINUX_ETHTOOL_H */