dcbnl.h 20 KB

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  1. /*
  2. * Copyright (c) 2008-2011, Intel Corporation.
  3. *
  4. * This program is free software; you can redistribute it and/or modify it
  5. * under the terms and conditions of the GNU General Public License,
  6. * version 2, as published by the Free Software Foundation.
  7. *
  8. * This program is distributed in the hope it will be useful, but WITHOUT
  9. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  11. * more details.
  12. *
  13. * You should have received a copy of the GNU General Public License along with
  14. * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  15. * Place - Suite 330, Boston, MA 02111-1307 USA.
  16. *
  17. * Author: Lucy Liu <lucy.liu@intel.com>
  18. */
  19. #ifndef __LINUX_DCBNL_H__
  20. #define __LINUX_DCBNL_H__
  21. #include <linux/types.h>
  22. /* IEEE 802.1Qaz std supported values */
  23. #define IEEE_8021QAZ_MAX_TCS 8
  24. #define IEEE_8021QAZ_TSA_STRICT 0
  25. #define IEEE_8021QAZ_TSA_CB_SHAPER 1
  26. #define IEEE_8021QAZ_TSA_ETS 2
  27. #define IEEE_8021QAZ_TSA_VENDOR 255
  28. /* This structure contains the IEEE 802.1Qaz ETS managed object
  29. *
  30. * @willing: willing bit in ETS configuration TLV
  31. * @ets_cap: indicates supported capacity of ets feature
  32. * @cbs: credit based shaper ets algorithm supported
  33. * @tc_tx_bw: tc tx bandwidth indexed by traffic class
  34. * @tc_rx_bw: tc rx bandwidth indexed by traffic class
  35. * @tc_tsa: TSA Assignment table, indexed by traffic class
  36. * @prio_tc: priority assignment table mapping 8021Qp to traffic class
  37. * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV
  38. * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV
  39. * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV
  40. *
  41. * Recommended values are used to set fields in the ETS recommendation TLV
  42. * with hardware offloaded LLDP.
  43. *
  44. * ----
  45. * TSA Assignment 8 bit identifiers
  46. * 0 strict priority
  47. * 1 credit-based shaper
  48. * 2 enhanced transmission selection
  49. * 3-254 reserved
  50. * 255 vendor specific
  51. */
  52. struct ieee_ets {
  53. __u8 willing;
  54. __u8 ets_cap;
  55. __u8 cbs;
  56. __u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
  57. __u8 tc_rx_bw[IEEE_8021QAZ_MAX_TCS];
  58. __u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
  59. __u8 prio_tc[IEEE_8021QAZ_MAX_TCS];
  60. __u8 tc_reco_bw[IEEE_8021QAZ_MAX_TCS];
  61. __u8 tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];
  62. __u8 reco_prio_tc[IEEE_8021QAZ_MAX_TCS];
  63. };
  64. /* This structure contains the IEEE 802.1Qaz PFC managed object
  65. *
  66. * @pfc_cap: Indicates the number of traffic classes on the local device
  67. * that may simultaneously have PFC enabled.
  68. * @pfc_en: bitmap indicating pfc enabled traffic classes
  69. * @mbc: enable macsec bypass capability
  70. * @delay: the allowance made for a round-trip propagation delay of the
  71. * link in bits.
  72. * @requests: count of the sent pfc frames
  73. * @indications: count of the received pfc frames
  74. */
  75. struct ieee_pfc {
  76. __u8 pfc_cap;
  77. __u8 pfc_en;
  78. __u8 mbc;
  79. __u16 delay;
  80. __u64 requests[IEEE_8021QAZ_MAX_TCS];
  81. __u64 indications[IEEE_8021QAZ_MAX_TCS];
  82. };
  83. /* CEE DCBX std supported values */
  84. #define CEE_DCBX_MAX_PGS 8
  85. #define CEE_DCBX_MAX_PRIO 8
  86. /**
  87. * struct cee_pg - CEE Priority-Group managed object
  88. *
  89. * @willing: willing bit in the PG tlv
  90. * @error: error bit in the PG tlv
  91. * @pg_en: enable bit of the PG feature
  92. * @tcs_supported: number of traffic classes supported
  93. * @pg_bw: bandwidth percentage for each priority group
  94. * @prio_pg: priority to PG mapping indexed by priority
  95. */
  96. struct cee_pg {
  97. __u8 willing;
  98. __u8 error;
  99. __u8 pg_en;
  100. __u8 tcs_supported;
  101. __u8 pg_bw[CEE_DCBX_MAX_PGS];
  102. __u8 prio_pg[CEE_DCBX_MAX_PGS];
  103. };
  104. /**
  105. * struct cee_pfc - CEE PFC managed object
  106. *
  107. * @willing: willing bit in the PFC tlv
  108. * @error: error bit in the PFC tlv
  109. * @pfc_en: bitmap indicating pfc enabled traffic classes
  110. * @tcs_supported: number of traffic classes supported
  111. */
  112. struct cee_pfc {
  113. __u8 willing;
  114. __u8 error;
  115. __u8 pfc_en;
  116. __u8 tcs_supported;
  117. };
  118. /* This structure contains the IEEE 802.1Qaz APP managed object. This
  119. * object is also used for the CEE std as well. There is no difference
  120. * between the objects.
  121. *
  122. * @selector: protocol identifier type
  123. * @protocol: protocol of type indicated
  124. * @priority: 3-bit unsigned integer indicating priority
  125. *
  126. * ----
  127. * Selector field values
  128. * 0 Reserved
  129. * 1 Ethertype
  130. * 2 Well known port number over TCP or SCTP
  131. * 3 Well known port number over UDP or DCCP
  132. * 4 Well known port number over TCP, SCTP, UDP, or DCCP
  133. * 5-7 Reserved
  134. */
  135. struct dcb_app {
  136. __u8 selector;
  137. __u8 priority;
  138. __u16 protocol;
  139. };
  140. /**
  141. * struct dcb_peer_app_info - APP feature information sent by the peer
  142. *
  143. * @willing: willing bit in the peer APP tlv
  144. * @error: error bit in the peer APP tlv
  145. *
  146. * In addition to this information the full peer APP tlv also contains
  147. * a table of 'app_count' APP objects defined above.
  148. */
  149. struct dcb_peer_app_info {
  150. __u8 willing;
  151. __u8 error;
  152. };
  153. struct dcbmsg {
  154. __u8 dcb_family;
  155. __u8 cmd;
  156. __u16 dcb_pad;
  157. };
  158. /**
  159. * enum dcbnl_commands - supported DCB commands
  160. *
  161. * @DCB_CMD_UNDEFINED: unspecified command to catch errors
  162. * @DCB_CMD_GSTATE: request the state of DCB in the device
  163. * @DCB_CMD_SSTATE: set the state of DCB in the device
  164. * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
  165. * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
  166. * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
  167. * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
  168. * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
  169. * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
  170. * @DCB_CMD_SET_ALL: apply all changes to the underlying device
  171. * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
  172. * device. Only useful when using bonding.
  173. * @DCB_CMD_GCAP: request the DCB capabilities of the device
  174. * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
  175. * @DCB_CMD_SNUMTCS: set the number of traffic classes
  176. * @DCB_CMD_GBCN: set backward congestion notification configuration
  177. * @DCB_CMD_SBCN: get backward congestion notification configration.
  178. * @DCB_CMD_GAPP: get application protocol configuration
  179. * @DCB_CMD_SAPP: set application protocol configuration
  180. * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
  181. * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
  182. * @DCB_CMD_GDCBX: get DCBX engine configuration
  183. * @DCB_CMD_SDCBX: set DCBX engine configuration
  184. * @DCB_CMD_GFEATCFG: get DCBX features flags
  185. * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
  186. * @DCB_CMD_CEE_GET: get CEE aggregated configuration
  187. */
  188. enum dcbnl_commands {
  189. DCB_CMD_UNDEFINED,
  190. DCB_CMD_GSTATE,
  191. DCB_CMD_SSTATE,
  192. DCB_CMD_PGTX_GCFG,
  193. DCB_CMD_PGTX_SCFG,
  194. DCB_CMD_PGRX_GCFG,
  195. DCB_CMD_PGRX_SCFG,
  196. DCB_CMD_PFC_GCFG,
  197. DCB_CMD_PFC_SCFG,
  198. DCB_CMD_SET_ALL,
  199. DCB_CMD_GPERM_HWADDR,
  200. DCB_CMD_GCAP,
  201. DCB_CMD_GNUMTCS,
  202. DCB_CMD_SNUMTCS,
  203. DCB_CMD_PFC_GSTATE,
  204. DCB_CMD_PFC_SSTATE,
  205. DCB_CMD_BCN_GCFG,
  206. DCB_CMD_BCN_SCFG,
  207. DCB_CMD_GAPP,
  208. DCB_CMD_SAPP,
  209. DCB_CMD_IEEE_SET,
  210. DCB_CMD_IEEE_GET,
  211. DCB_CMD_GDCBX,
  212. DCB_CMD_SDCBX,
  213. DCB_CMD_GFEATCFG,
  214. DCB_CMD_SFEATCFG,
  215. DCB_CMD_CEE_GET,
  216. __DCB_CMD_ENUM_MAX,
  217. DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
  218. };
  219. /**
  220. * enum dcbnl_attrs - DCB top-level netlink attributes
  221. *
  222. * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
  223. * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
  224. * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
  225. * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
  226. * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
  227. * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
  228. * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
  229. * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
  230. * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
  231. * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
  232. * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
  233. * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
  234. * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
  235. * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
  236. * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
  237. * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
  238. */
  239. enum dcbnl_attrs {
  240. DCB_ATTR_UNDEFINED,
  241. DCB_ATTR_IFNAME,
  242. DCB_ATTR_STATE,
  243. DCB_ATTR_PFC_STATE,
  244. DCB_ATTR_PFC_CFG,
  245. DCB_ATTR_NUM_TC,
  246. DCB_ATTR_PG_CFG,
  247. DCB_ATTR_SET_ALL,
  248. DCB_ATTR_PERM_HWADDR,
  249. DCB_ATTR_CAP,
  250. DCB_ATTR_NUMTCS,
  251. DCB_ATTR_BCN,
  252. DCB_ATTR_APP,
  253. /* IEEE std attributes */
  254. DCB_ATTR_IEEE,
  255. DCB_ATTR_DCBX,
  256. DCB_ATTR_FEATCFG,
  257. /* CEE nested attributes */
  258. DCB_ATTR_CEE,
  259. __DCB_ATTR_ENUM_MAX,
  260. DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
  261. };
  262. /**
  263. * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
  264. *
  265. * @DCB_ATTR_IEEE_UNSPEC: unspecified
  266. * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
  267. * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
  268. * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
  269. * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
  270. * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
  271. * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
  272. */
  273. enum ieee_attrs {
  274. DCB_ATTR_IEEE_UNSPEC,
  275. DCB_ATTR_IEEE_ETS,
  276. DCB_ATTR_IEEE_PFC,
  277. DCB_ATTR_IEEE_APP_TABLE,
  278. DCB_ATTR_IEEE_PEER_ETS,
  279. DCB_ATTR_IEEE_PEER_PFC,
  280. DCB_ATTR_IEEE_PEER_APP,
  281. __DCB_ATTR_IEEE_MAX
  282. };
  283. #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
  284. enum ieee_attrs_app {
  285. DCB_ATTR_IEEE_APP_UNSPEC,
  286. DCB_ATTR_IEEE_APP,
  287. __DCB_ATTR_IEEE_APP_MAX
  288. };
  289. #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
  290. /**
  291. * enum cee_attrs - CEE DCBX get attributes
  292. *
  293. * @DCB_ATTR_CEE_UNSPEC: unspecified
  294. * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
  295. * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
  296. * @DCB_ATTR_CEE_PEER_APP: peer APP tlv - get only
  297. */
  298. enum cee_attrs {
  299. DCB_ATTR_CEE_UNSPEC,
  300. DCB_ATTR_CEE_PEER_PG,
  301. DCB_ATTR_CEE_PEER_PFC,
  302. DCB_ATTR_CEE_PEER_APP_TABLE,
  303. __DCB_ATTR_CEE_MAX
  304. };
  305. #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
  306. enum peer_app_attr {
  307. DCB_ATTR_CEE_PEER_APP_UNSPEC,
  308. DCB_ATTR_CEE_PEER_APP_INFO,
  309. DCB_ATTR_CEE_PEER_APP,
  310. __DCB_ATTR_CEE_PEER_APP_MAX
  311. };
  312. #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
  313. /**
  314. * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
  315. *
  316. * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
  317. * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
  318. * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
  319. * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
  320. * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
  321. * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
  322. * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
  323. * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
  324. * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
  325. * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
  326. * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
  327. *
  328. */
  329. enum dcbnl_pfc_up_attrs {
  330. DCB_PFC_UP_ATTR_UNDEFINED,
  331. DCB_PFC_UP_ATTR_0,
  332. DCB_PFC_UP_ATTR_1,
  333. DCB_PFC_UP_ATTR_2,
  334. DCB_PFC_UP_ATTR_3,
  335. DCB_PFC_UP_ATTR_4,
  336. DCB_PFC_UP_ATTR_5,
  337. DCB_PFC_UP_ATTR_6,
  338. DCB_PFC_UP_ATTR_7,
  339. DCB_PFC_UP_ATTR_ALL,
  340. __DCB_PFC_UP_ATTR_ENUM_MAX,
  341. DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
  342. };
  343. /**
  344. * enum dcbnl_pg_attrs - DCB Priority Group attributes
  345. *
  346. * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
  347. * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
  348. * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
  349. * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
  350. * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
  351. * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
  352. * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
  353. * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
  354. * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
  355. * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
  356. * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
  357. * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
  358. * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
  359. * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
  360. * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
  361. * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
  362. * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
  363. * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
  364. * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
  365. * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
  366. * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
  367. *
  368. */
  369. enum dcbnl_pg_attrs {
  370. DCB_PG_ATTR_UNDEFINED,
  371. DCB_PG_ATTR_TC_0,
  372. DCB_PG_ATTR_TC_1,
  373. DCB_PG_ATTR_TC_2,
  374. DCB_PG_ATTR_TC_3,
  375. DCB_PG_ATTR_TC_4,
  376. DCB_PG_ATTR_TC_5,
  377. DCB_PG_ATTR_TC_6,
  378. DCB_PG_ATTR_TC_7,
  379. DCB_PG_ATTR_TC_MAX,
  380. DCB_PG_ATTR_TC_ALL,
  381. DCB_PG_ATTR_BW_ID_0,
  382. DCB_PG_ATTR_BW_ID_1,
  383. DCB_PG_ATTR_BW_ID_2,
  384. DCB_PG_ATTR_BW_ID_3,
  385. DCB_PG_ATTR_BW_ID_4,
  386. DCB_PG_ATTR_BW_ID_5,
  387. DCB_PG_ATTR_BW_ID_6,
  388. DCB_PG_ATTR_BW_ID_7,
  389. DCB_PG_ATTR_BW_ID_MAX,
  390. DCB_PG_ATTR_BW_ID_ALL,
  391. __DCB_PG_ATTR_ENUM_MAX,
  392. DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
  393. };
  394. /**
  395. * enum dcbnl_tc_attrs - DCB Traffic Class attributes
  396. *
  397. * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
  398. * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
  399. * Valid values are: 0-7
  400. * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
  401. * Some devices may not support changing the
  402. * user priority map of a TC.
  403. * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
  404. * 0 - none
  405. * 1 - group strict
  406. * 2 - link strict
  407. * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
  408. * not configured to use link strict priority,
  409. * this is the percentage of bandwidth of the
  410. * priority group this traffic class belongs to
  411. * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
  412. *
  413. */
  414. enum dcbnl_tc_attrs {
  415. DCB_TC_ATTR_PARAM_UNDEFINED,
  416. DCB_TC_ATTR_PARAM_PGID,
  417. DCB_TC_ATTR_PARAM_UP_MAPPING,
  418. DCB_TC_ATTR_PARAM_STRICT_PRIO,
  419. DCB_TC_ATTR_PARAM_BW_PCT,
  420. DCB_TC_ATTR_PARAM_ALL,
  421. __DCB_TC_ATTR_PARAM_ENUM_MAX,
  422. DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
  423. };
  424. /**
  425. * enum dcbnl_cap_attrs - DCB Capability attributes
  426. *
  427. * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
  428. * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
  429. * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
  430. * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
  431. * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
  432. * traffic class mapping
  433. * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
  434. * number of traffic classes the device
  435. * can be configured to use for Priority Groups
  436. * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
  437. * number of traffic classes the device can be
  438. * configured to use for Priority Flow Control
  439. * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
  440. * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
  441. * Notification
  442. * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
  443. *
  444. */
  445. enum dcbnl_cap_attrs {
  446. DCB_CAP_ATTR_UNDEFINED,
  447. DCB_CAP_ATTR_ALL,
  448. DCB_CAP_ATTR_PG,
  449. DCB_CAP_ATTR_PFC,
  450. DCB_CAP_ATTR_UP2TC,
  451. DCB_CAP_ATTR_PG_TCS,
  452. DCB_CAP_ATTR_PFC_TCS,
  453. DCB_CAP_ATTR_GSP,
  454. DCB_CAP_ATTR_BCN,
  455. DCB_CAP_ATTR_DCBX,
  456. __DCB_CAP_ATTR_ENUM_MAX,
  457. DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
  458. };
  459. /**
  460. * DCBX capability flags
  461. *
  462. * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
  463. * 'set' routines are used to configure the device with
  464. * the negotiated parameters
  465. *
  466. * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
  467. * by another entity
  468. * 'get' routines are used to retrieve the
  469. * negotiated parameters
  470. * 'set' routines can be used to set the initial
  471. * negotiation configuration
  472. *
  473. * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
  474. * supports the CEE protocol flavor
  475. *
  476. * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
  477. * supports the IEEE protocol flavor
  478. *
  479. * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
  480. * supports static configuration (i.e no actual
  481. * negotiation is performed negotiated parameters equal
  482. * the initial configuration)
  483. *
  484. */
  485. #define DCB_CAP_DCBX_HOST 0x01
  486. #define DCB_CAP_DCBX_LLD_MANAGED 0x02
  487. #define DCB_CAP_DCBX_VER_CEE 0x04
  488. #define DCB_CAP_DCBX_VER_IEEE 0x08
  489. #define DCB_CAP_DCBX_STATIC 0x10
  490. /**
  491. * enum dcbnl_numtcs_attrs - number of traffic classes
  492. *
  493. * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
  494. * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
  495. * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
  496. * priority groups
  497. * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
  498. * support priority flow control
  499. */
  500. enum dcbnl_numtcs_attrs {
  501. DCB_NUMTCS_ATTR_UNDEFINED,
  502. DCB_NUMTCS_ATTR_ALL,
  503. DCB_NUMTCS_ATTR_PG,
  504. DCB_NUMTCS_ATTR_PFC,
  505. __DCB_NUMTCS_ATTR_ENUM_MAX,
  506. DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
  507. };
  508. enum dcbnl_bcn_attrs{
  509. DCB_BCN_ATTR_UNDEFINED = 0,
  510. DCB_BCN_ATTR_RP_0,
  511. DCB_BCN_ATTR_RP_1,
  512. DCB_BCN_ATTR_RP_2,
  513. DCB_BCN_ATTR_RP_3,
  514. DCB_BCN_ATTR_RP_4,
  515. DCB_BCN_ATTR_RP_5,
  516. DCB_BCN_ATTR_RP_6,
  517. DCB_BCN_ATTR_RP_7,
  518. DCB_BCN_ATTR_RP_ALL,
  519. DCB_BCN_ATTR_BCNA_0,
  520. DCB_BCN_ATTR_BCNA_1,
  521. DCB_BCN_ATTR_ALPHA,
  522. DCB_BCN_ATTR_BETA,
  523. DCB_BCN_ATTR_GD,
  524. DCB_BCN_ATTR_GI,
  525. DCB_BCN_ATTR_TMAX,
  526. DCB_BCN_ATTR_TD,
  527. DCB_BCN_ATTR_RMIN,
  528. DCB_BCN_ATTR_W,
  529. DCB_BCN_ATTR_RD,
  530. DCB_BCN_ATTR_RU,
  531. DCB_BCN_ATTR_WRTT,
  532. DCB_BCN_ATTR_RI,
  533. DCB_BCN_ATTR_C,
  534. DCB_BCN_ATTR_ALL,
  535. __DCB_BCN_ATTR_ENUM_MAX,
  536. DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
  537. };
  538. /**
  539. * enum dcb_general_attr_values - general DCB attribute values
  540. *
  541. * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
  542. *
  543. */
  544. enum dcb_general_attr_values {
  545. DCB_ATTR_VALUE_UNDEFINED = 0xff
  546. };
  547. #define DCB_APP_IDTYPE_ETHTYPE 0x00
  548. #define DCB_APP_IDTYPE_PORTNUM 0x01
  549. enum dcbnl_app_attrs {
  550. DCB_APP_ATTR_UNDEFINED,
  551. DCB_APP_ATTR_IDTYPE,
  552. DCB_APP_ATTR_ID,
  553. DCB_APP_ATTR_PRIORITY,
  554. __DCB_APP_ATTR_ENUM_MAX,
  555. DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
  556. };
  557. /**
  558. * enum dcbnl_featcfg_attrs - features conifiguration flags
  559. *
  560. * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
  561. * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
  562. * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
  563. * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
  564. * flow control
  565. * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
  566. *
  567. */
  568. #define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */
  569. #define DCB_FEATCFG_ENABLE 0x02 /* enable feature */
  570. #define DCB_FEATCFG_WILLING 0x04 /* feature is willing */
  571. #define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */
  572. enum dcbnl_featcfg_attrs {
  573. DCB_FEATCFG_ATTR_UNDEFINED,
  574. DCB_FEATCFG_ATTR_ALL,
  575. DCB_FEATCFG_ATTR_PG,
  576. DCB_FEATCFG_ATTR_PFC,
  577. DCB_FEATCFG_ATTR_APP,
  578. __DCB_FEATCFG_ATTR_ENUM_MAX,
  579. DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
  580. };
  581. #endif /* __LINUX_DCBNL_H__ */