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 20#ifndef __LINUX_DCBNL_H__ 21#define __LINUX_DCBNL_H__ 22 23#include <linux/types.h> 24 25/* IEEE 802.1Qaz std supported values */ 26#define IEEE_8021QAZ_MAX_TCS 8 27 28#define IEEE_8021QAZ_TSA_STRICT 0 29#define IEEE_8021QAZ_TSA_CB_SHAPER 1 30#define IEEE_8021QAZ_TSA_ETS 2 31#define IEEE_8021QAZ_TSA_VENDOR 255 32 33/* This structure contains the IEEE 802.1Qaz ETS managed object 34 * 35 * @willing: willing bit in ETS configuration TLV 36 * @ets_cap: indicates supported capacity of ets feature 37 * @cbs: credit based shaper ets algorithm supported 38 * @tc_tx_bw: tc tx bandwidth indexed by traffic class 39 * @tc_rx_bw: tc rx bandwidth indexed by traffic class 40 * @tc_tsa: TSA Assignment table, indexed by traffic class 41 * @prio_tc: priority assignment table mapping 8021Qp to traffic class 42 * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV 43 * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV 44 * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV 45 * 46 * Recommended values are used to set fields in the ETS recommendation TLV 47 * with hardware offloaded LLDP. 48 * 49 * ---- 50 * TSA Assignment 8 bit identifiers 51 * 0 strict priority 52 * 1 credit-based shaper 53 * 2 enhanced transmission selection 54 * 3-254 reserved 55 * 255 vendor specific 56 */ 57struct ieee_ets { 58 __u8 willing; 59 __u8 ets_cap; 60 __u8 cbs; 61 __u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS]; 62 __u8 tc_rx_bw[IEEE_8021QAZ_MAX_TCS]; 63 __u8 tc_tsa[IEEE_8021QAZ_MAX_TCS]; 64 __u8 prio_tc[IEEE_8021QAZ_MAX_TCS]; 65 __u8 tc_reco_bw[IEEE_8021QAZ_MAX_TCS]; 66 __u8 tc_reco_tsa[IEEE_8021QAZ_MAX_TCS]; 67 __u8 reco_prio_tc[IEEE_8021QAZ_MAX_TCS]; 68}; 69 70/* This structure contains the IEEE 802.1Qaz PFC managed object 71 * 72 * @pfc_cap: Indicates the number of traffic classes on the local device 73 * that may simultaneously have PFC enabled. 74 * @pfc_en: bitmap indicating pfc enabled traffic classes 75 * @mbc: enable macsec bypass capability 76 * @delay: the allowance made for a round-trip propagation delay of the 77 * link in bits. 78 * @requests: count of the sent pfc frames 79 * @indications: count of the received pfc frames 80 */ 81struct ieee_pfc { 82 __u8 pfc_cap; 83 __u8 pfc_en; 84 __u8 mbc; 85 __u16 delay; 86 __u64 requests[IEEE_8021QAZ_MAX_TCS]; 87 __u64 indications[IEEE_8021QAZ_MAX_TCS]; 88}; 89 90/* CEE DCBX std supported values */ 91#define CEE_DCBX_MAX_PGS 8 92#define CEE_DCBX_MAX_PRIO 8 93 94/** 95 * struct cee_pg - CEE Priority-Group managed object 96 * 97 * @willing: willing bit in the PG tlv 98 * @error: error bit in the PG tlv 99 * @pg_en: enable bit of the PG feature 100 * @tcs_supported: number of traffic classes supported 101 * @pg_bw: bandwidth percentage for each priority group 102 * @prio_pg: priority to PG mapping indexed by priority 103 */ 104struct cee_pg { 105 __u8 willing; 106 __u8 error; 107 __u8 pg_en; 108 __u8 tcs_supported; 109 __u8 pg_bw[CEE_DCBX_MAX_PGS]; 110 __u8 prio_pg[CEE_DCBX_MAX_PGS]; 111}; 112 113/** 114 * struct cee_pfc - CEE PFC managed object 115 * 116 * @willing: willing bit in the PFC tlv 117 * @error: error bit in the PFC tlv 118 * @pfc_en: bitmap indicating pfc enabled traffic classes 119 * @tcs_supported: number of traffic classes supported 120 */ 121struct cee_pfc { 122 __u8 willing; 123 __u8 error; 124 __u8 pfc_en; 125 __u8 tcs_supported; 126}; 127 128/* IEEE 802.1Qaz std supported values */ 129#define IEEE_8021QAZ_APP_SEL_ETHERTYPE 1 130#define IEEE_8021QAZ_APP_SEL_STREAM 2 131#define IEEE_8021QAZ_APP_SEL_DGRAM 3 132#define IEEE_8021QAZ_APP_SEL_ANY 4 133 134/* This structure contains the IEEE 802.1Qaz APP managed object. This 135 * object is also used for the CEE std as well. There is no difference 136 * between the objects. 137 * 138 * @selector: protocol identifier type 139 * @protocol: protocol of type indicated 140 * @priority: 3-bit unsigned integer indicating priority 141 * 142 * ---- 143 * Selector field values 144 * 0 Reserved 145 * 1 Ethertype 146 * 2 Well known port number over TCP or SCTP 147 * 3 Well known port number over UDP or DCCP 148 * 4 Well known port number over TCP, SCTP, UDP, or DCCP 149 * 5-7 Reserved 150 */ 151struct dcb_app { 152 __u8 selector; 153 __u8 priority; 154 __u16 protocol; 155}; 156 157/** 158 * struct dcb_peer_app_info - APP feature information sent by the peer 159 * 160 * @willing: willing bit in the peer APP tlv 161 * @error: error bit in the peer APP tlv 162 * 163 * In addition to this information the full peer APP tlv also contains 164 * a table of 'app_count' APP objects defined above. 165 */ 166struct dcb_peer_app_info { 167 __u8 willing; 168 __u8 error; 169}; 170 171struct dcbmsg { 172 __u8 dcb_family; 173 __u8 cmd; 174 __u16 dcb_pad; 175}; 176 177/** 178 * enum dcbnl_commands - supported DCB commands 179 * 180 * @DCB_CMD_UNDEFINED: unspecified command to catch errors 181 * @DCB_CMD_GSTATE: request the state of DCB in the device 182 * @DCB_CMD_SSTATE: set the state of DCB in the device 183 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx 184 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx 185 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx 186 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx 187 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration 188 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration 189 * @DCB_CMD_SET_ALL: apply all changes to the underlying device 190 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying 191 * device. Only useful when using bonding. 192 * @DCB_CMD_GCAP: request the DCB capabilities of the device 193 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported 194 * @DCB_CMD_SNUMTCS: set the number of traffic classes 195 * @DCB_CMD_GBCN: set backward congestion notification configuration 196 * @DCB_CMD_SBCN: get backward congestion notification configration. 197 * @DCB_CMD_GAPP: get application protocol configuration 198 * @DCB_CMD_SAPP: set application protocol configuration 199 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration 200 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration 201 * @DCB_CMD_GDCBX: get DCBX engine configuration 202 * @DCB_CMD_SDCBX: set DCBX engine configuration 203 * @DCB_CMD_GFEATCFG: get DCBX features flags 204 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags 205 * @DCB_CMD_CEE_GET: get CEE aggregated configuration 206 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration 207 */ 208enum dcbnl_commands { 209 DCB_CMD_UNDEFINED, 210 211 DCB_CMD_GSTATE, 212 DCB_CMD_SSTATE, 213 214 DCB_CMD_PGTX_GCFG, 215 DCB_CMD_PGTX_SCFG, 216 DCB_CMD_PGRX_GCFG, 217 DCB_CMD_PGRX_SCFG, 218 219 DCB_CMD_PFC_GCFG, 220 DCB_CMD_PFC_SCFG, 221 222 DCB_CMD_SET_ALL, 223 224 DCB_CMD_GPERM_HWADDR, 225 226 DCB_CMD_GCAP, 227 228 DCB_CMD_GNUMTCS, 229 DCB_CMD_SNUMTCS, 230 231 DCB_CMD_PFC_GSTATE, 232 DCB_CMD_PFC_SSTATE, 233 234 DCB_CMD_BCN_GCFG, 235 DCB_CMD_BCN_SCFG, 236 237 DCB_CMD_GAPP, 238 DCB_CMD_SAPP, 239 240 DCB_CMD_IEEE_SET, 241 DCB_CMD_IEEE_GET, 242 243 DCB_CMD_GDCBX, 244 DCB_CMD_SDCBX, 245 246 DCB_CMD_GFEATCFG, 247 DCB_CMD_SFEATCFG, 248 249 DCB_CMD_CEE_GET, 250 DCB_CMD_IEEE_DEL, 251 252 __DCB_CMD_ENUM_MAX, 253 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, 254}; 255 256/** 257 * enum dcbnl_attrs - DCB top-level netlink attributes 258 * 259 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors 260 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) 261 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) 262 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) 263 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) 264 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) 265 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) 266 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) 267 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) 268 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) 269 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) 270 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) 271 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) 272 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) 273 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) 274 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) 275 */ 276enum dcbnl_attrs { 277 DCB_ATTR_UNDEFINED, 278 279 DCB_ATTR_IFNAME, 280 DCB_ATTR_STATE, 281 DCB_ATTR_PFC_STATE, 282 DCB_ATTR_PFC_CFG, 283 DCB_ATTR_NUM_TC, 284 DCB_ATTR_PG_CFG, 285 DCB_ATTR_SET_ALL, 286 DCB_ATTR_PERM_HWADDR, 287 DCB_ATTR_CAP, 288 DCB_ATTR_NUMTCS, 289 DCB_ATTR_BCN, 290 DCB_ATTR_APP, 291 292 /* IEEE std attributes */ 293 DCB_ATTR_IEEE, 294 295 DCB_ATTR_DCBX, 296 DCB_ATTR_FEATCFG, 297 298 /* CEE nested attributes */ 299 DCB_ATTR_CEE, 300 301 __DCB_ATTR_ENUM_MAX, 302 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, 303}; 304 305/** 306 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes 307 * 308 * @DCB_ATTR_IEEE_UNSPEC: unspecified 309 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration 310 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration 311 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration 312 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only 313 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only 314 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only 315 */ 316enum ieee_attrs { 317 DCB_ATTR_IEEE_UNSPEC, 318 DCB_ATTR_IEEE_ETS, 319 DCB_ATTR_IEEE_PFC, 320 DCB_ATTR_IEEE_APP_TABLE, 321 DCB_ATTR_IEEE_PEER_ETS, 322 DCB_ATTR_IEEE_PEER_PFC, 323 DCB_ATTR_IEEE_PEER_APP, 324 __DCB_ATTR_IEEE_MAX 325}; 326#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) 327 328enum ieee_attrs_app { 329 DCB_ATTR_IEEE_APP_UNSPEC, 330 DCB_ATTR_IEEE_APP, 331 __DCB_ATTR_IEEE_APP_MAX 332}; 333#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) 334 335/** 336 * enum cee_attrs - CEE DCBX get attributes. 337 * 338 * @DCB_ATTR_CEE_UNSPEC: unspecified 339 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only 340 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only 341 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only 342 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG) 343 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG) 344 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG) 345 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP) 346 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG) 347 * 348 * An aggregated collection of the cee std negotiated parameters. 349 */ 350enum cee_attrs { 351 DCB_ATTR_CEE_UNSPEC, 352 DCB_ATTR_CEE_PEER_PG, 353 DCB_ATTR_CEE_PEER_PFC, 354 DCB_ATTR_CEE_PEER_APP_TABLE, 355 DCB_ATTR_CEE_TX_PG, 356 DCB_ATTR_CEE_RX_PG, 357 DCB_ATTR_CEE_PFC, 358 DCB_ATTR_CEE_APP_TABLE, 359 DCB_ATTR_CEE_FEAT, 360 __DCB_ATTR_CEE_MAX 361}; 362#define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) 363 364enum peer_app_attr { 365 DCB_ATTR_CEE_PEER_APP_UNSPEC, 366 DCB_ATTR_CEE_PEER_APP_INFO, 367 DCB_ATTR_CEE_PEER_APP, 368 __DCB_ATTR_CEE_PEER_APP_MAX 369}; 370#define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) 371 372enum cee_attrs_app { 373 DCB_ATTR_CEE_APP_UNSPEC, 374 DCB_ATTR_CEE_APP, 375 __DCB_ATTR_CEE_APP_MAX 376}; 377#define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1) 378 379/** 380 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs 381 * 382 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors 383 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) 384 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) 385 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) 386 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) 387 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) 388 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) 389 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) 390 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) 391 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined 392 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) 393 * 394 */ 395enum dcbnl_pfc_up_attrs { 396 DCB_PFC_UP_ATTR_UNDEFINED, 397 398 DCB_PFC_UP_ATTR_0, 399 DCB_PFC_UP_ATTR_1, 400 DCB_PFC_UP_ATTR_2, 401 DCB_PFC_UP_ATTR_3, 402 DCB_PFC_UP_ATTR_4, 403 DCB_PFC_UP_ATTR_5, 404 DCB_PFC_UP_ATTR_6, 405 DCB_PFC_UP_ATTR_7, 406 DCB_PFC_UP_ATTR_ALL, 407 408 __DCB_PFC_UP_ATTR_ENUM_MAX, 409 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, 410}; 411 412/** 413 * enum dcbnl_pg_attrs - DCB Priority Group attributes 414 * 415 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors 416 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) 417 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) 418 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) 419 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) 420 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) 421 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) 422 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) 423 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) 424 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined 425 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) 426 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) 427 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) 428 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) 429 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) 430 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) 431 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) 432 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) 433 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) 434 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined 435 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) 436 * 437 */ 438enum dcbnl_pg_attrs { 439 DCB_PG_ATTR_UNDEFINED, 440 441 DCB_PG_ATTR_TC_0, 442 DCB_PG_ATTR_TC_1, 443 DCB_PG_ATTR_TC_2, 444 DCB_PG_ATTR_TC_3, 445 DCB_PG_ATTR_TC_4, 446 DCB_PG_ATTR_TC_5, 447 DCB_PG_ATTR_TC_6, 448 DCB_PG_ATTR_TC_7, 449 DCB_PG_ATTR_TC_MAX, 450 DCB_PG_ATTR_TC_ALL, 451 452 DCB_PG_ATTR_BW_ID_0, 453 DCB_PG_ATTR_BW_ID_1, 454 DCB_PG_ATTR_BW_ID_2, 455 DCB_PG_ATTR_BW_ID_3, 456 DCB_PG_ATTR_BW_ID_4, 457 DCB_PG_ATTR_BW_ID_5, 458 DCB_PG_ATTR_BW_ID_6, 459 DCB_PG_ATTR_BW_ID_7, 460 DCB_PG_ATTR_BW_ID_MAX, 461 DCB_PG_ATTR_BW_ID_ALL, 462 463 __DCB_PG_ATTR_ENUM_MAX, 464 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, 465}; 466 467/** 468 * enum dcbnl_tc_attrs - DCB Traffic Class attributes 469 * 470 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors 471 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to 472 * Valid values are: 0-7 473 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map 474 * Some devices may not support changing the 475 * user priority map of a TC. 476 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting 477 * 0 - none 478 * 1 - group strict 479 * 2 - link strict 480 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and 481 * not configured to use link strict priority, 482 * this is the percentage of bandwidth of the 483 * priority group this traffic class belongs to 484 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters 485 * 486 */ 487enum dcbnl_tc_attrs { 488 DCB_TC_ATTR_PARAM_UNDEFINED, 489 490 DCB_TC_ATTR_PARAM_PGID, 491 DCB_TC_ATTR_PARAM_UP_MAPPING, 492 DCB_TC_ATTR_PARAM_STRICT_PRIO, 493 DCB_TC_ATTR_PARAM_BW_PCT, 494 DCB_TC_ATTR_PARAM_ALL, 495 496 __DCB_TC_ATTR_PARAM_ENUM_MAX, 497 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, 498}; 499 500/** 501 * enum dcbnl_cap_attrs - DCB Capability attributes 502 * 503 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors 504 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters 505 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups 506 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control 507 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to 508 * traffic class mapping 509 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a 510 * number of traffic classes the device 511 * can be configured to use for Priority Groups 512 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a 513 * number of traffic classes the device can be 514 * configured to use for Priority Flow Control 515 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority 516 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion 517 * Notification 518 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine 519 * 520 */ 521enum dcbnl_cap_attrs { 522 DCB_CAP_ATTR_UNDEFINED, 523 DCB_CAP_ATTR_ALL, 524 DCB_CAP_ATTR_PG, 525 DCB_CAP_ATTR_PFC, 526 DCB_CAP_ATTR_UP2TC, 527 DCB_CAP_ATTR_PG_TCS, 528 DCB_CAP_ATTR_PFC_TCS, 529 DCB_CAP_ATTR_GSP, 530 DCB_CAP_ATTR_BCN, 531 DCB_CAP_ATTR_DCBX, 532 533 __DCB_CAP_ATTR_ENUM_MAX, 534 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, 535}; 536 537/** 538 * DCBX capability flags 539 * 540 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. 541 * 'set' routines are used to configure the device with 542 * the negotiated parameters 543 * 544 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but 545 * by another entity 546 * 'get' routines are used to retrieve the 547 * negotiated parameters 548 * 'set' routines can be used to set the initial 549 * negotiation configuration 550 * 551 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine 552 * supports the CEE protocol flavor 553 * 554 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine 555 * supports the IEEE protocol flavor 556 * 557 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine 558 * supports static configuration (i.e no actual 559 * negotiation is performed negotiated parameters equal 560 * the initial configuration) 561 * 562 */ 563#define DCB_CAP_DCBX_HOST 0x01 564#define DCB_CAP_DCBX_LLD_MANAGED 0x02 565#define DCB_CAP_DCBX_VER_CEE 0x04 566#define DCB_CAP_DCBX_VER_IEEE 0x08 567#define DCB_CAP_DCBX_STATIC 0x10 568 569/** 570 * enum dcbnl_numtcs_attrs - number of traffic classes 571 * 572 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors 573 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes 574 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for 575 * priority groups 576 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can 577 * support priority flow control 578 */ 579enum dcbnl_numtcs_attrs { 580 DCB_NUMTCS_ATTR_UNDEFINED, 581 DCB_NUMTCS_ATTR_ALL, 582 DCB_NUMTCS_ATTR_PG, 583 DCB_NUMTCS_ATTR_PFC, 584 585 __DCB_NUMTCS_ATTR_ENUM_MAX, 586 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, 587}; 588 589enum dcbnl_bcn_attrs{ 590 DCB_BCN_ATTR_UNDEFINED = 0, 591 592 DCB_BCN_ATTR_RP_0, 593 DCB_BCN_ATTR_RP_1, 594 DCB_BCN_ATTR_RP_2, 595 DCB_BCN_ATTR_RP_3, 596 DCB_BCN_ATTR_RP_4, 597 DCB_BCN_ATTR_RP_5, 598 DCB_BCN_ATTR_RP_6, 599 DCB_BCN_ATTR_RP_7, 600 DCB_BCN_ATTR_RP_ALL, 601 602 DCB_BCN_ATTR_BCNA_0, 603 DCB_BCN_ATTR_BCNA_1, 604 DCB_BCN_ATTR_ALPHA, 605 DCB_BCN_ATTR_BETA, 606 DCB_BCN_ATTR_GD, 607 DCB_BCN_ATTR_GI, 608 DCB_BCN_ATTR_TMAX, 609 DCB_BCN_ATTR_TD, 610 DCB_BCN_ATTR_RMIN, 611 DCB_BCN_ATTR_W, 612 DCB_BCN_ATTR_RD, 613 DCB_BCN_ATTR_RU, 614 DCB_BCN_ATTR_WRTT, 615 DCB_BCN_ATTR_RI, 616 DCB_BCN_ATTR_C, 617 DCB_BCN_ATTR_ALL, 618 619 __DCB_BCN_ATTR_ENUM_MAX, 620 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, 621}; 622 623/** 624 * enum dcb_general_attr_values - general DCB attribute values 625 * 626 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported 627 * 628 */ 629enum dcb_general_attr_values { 630 DCB_ATTR_VALUE_UNDEFINED = 0xff 631}; 632 633#define DCB_APP_IDTYPE_ETHTYPE 0x00 634#define DCB_APP_IDTYPE_PORTNUM 0x01 635enum dcbnl_app_attrs { 636 DCB_APP_ATTR_UNDEFINED, 637 638 DCB_APP_ATTR_IDTYPE, 639 DCB_APP_ATTR_ID, 640 DCB_APP_ATTR_PRIORITY, 641 642 __DCB_APP_ATTR_ENUM_MAX, 643 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, 644}; 645 646/** 647 * enum dcbnl_featcfg_attrs - features conifiguration flags 648 * 649 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors 650 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes 651 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups 652 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority 653 * flow control 654 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV 655 * 656 */ 657#define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ 658#define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ 659#define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ 660#define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ 661enum dcbnl_featcfg_attrs { 662 DCB_FEATCFG_ATTR_UNDEFINED, 663 DCB_FEATCFG_ATTR_ALL, 664 DCB_FEATCFG_ATTR_PG, 665 DCB_FEATCFG_ATTR_PFC, 666 DCB_FEATCFG_ATTR_APP, 667 668 __DCB_FEATCFG_ATTR_ENUM_MAX, 669 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, 670}; 671 672#endif /* __LINUX_DCBNL_H__ */ 673