1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2/* 3 * Copyright (c) 2008-2011, Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple 16 * Place - Suite 330, Boston, MA 02111-1307 USA. 17 * 18 * Author: Lucy Liu <lucy.liu@intel.com> 19 */ 20 21#ifndef __LINUX_DCBNL_H__ 22#define __LINUX_DCBNL_H__ 23 24#include <linux/types.h> 25 26/* IEEE 802.1Qaz std supported values */ 27#define IEEE_8021QAZ_MAX_TCS 8 28 29#define IEEE_8021QAZ_TSA_STRICT 0 30#define IEEE_8021QAZ_TSA_CB_SHAPER 1 31#define IEEE_8021QAZ_TSA_ETS 2 32#define IEEE_8021QAZ_TSA_VENDOR 255 33 34/* This structure contains the IEEE 802.1Qaz ETS managed object 35 * 36 * @willing: willing bit in ETS configuration TLV 37 * @ets_cap: indicates supported capacity of ets feature 38 * @cbs: credit based shaper ets algorithm supported 39 * @tc_tx_bw: tc tx bandwidth indexed by traffic class 40 * @tc_rx_bw: tc rx bandwidth indexed by traffic class 41 * @tc_tsa: TSA Assignment table, indexed by traffic class 42 * @prio_tc: priority assignment table mapping 8021Qp to traffic class 43 * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV 44 * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV 45 * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV 46 * 47 * Recommended values are used to set fields in the ETS recommendation TLV 48 * with hardware offloaded LLDP. 49 * 50 * ---- 51 * TSA Assignment 8 bit identifiers 52 * 0 strict priority 53 * 1 credit-based shaper 54 * 2 enhanced transmission selection 55 * 3-254 reserved 56 * 255 vendor specific 57 */ 58struct ieee_ets { 59 __u8 willing; 60 __u8 ets_cap; 61 __u8 cbs; 62 __u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS]; 63 __u8 tc_rx_bw[IEEE_8021QAZ_MAX_TCS]; 64 __u8 tc_tsa[IEEE_8021QAZ_MAX_TCS]; 65 __u8 prio_tc[IEEE_8021QAZ_MAX_TCS]; 66 __u8 tc_reco_bw[IEEE_8021QAZ_MAX_TCS]; 67 __u8 tc_reco_tsa[IEEE_8021QAZ_MAX_TCS]; 68 __u8 reco_prio_tc[IEEE_8021QAZ_MAX_TCS]; 69}; 70 71/* This structure contains rate limit extension to the IEEE 802.1Qaz ETS 72 * managed object. 73 * Values are 64 bits long and specified in Kbps to enable usage over both 74 * slow and very fast networks. 75 * 76 * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class 77 */ 78struct ieee_maxrate { 79 __u64 tc_maxrate[IEEE_8021QAZ_MAX_TCS]; 80}; 81 82enum dcbnl_cndd_states { 83 DCB_CNDD_RESET = 0, 84 DCB_CNDD_EDGE, 85 DCB_CNDD_INTERIOR, 86 DCB_CNDD_INTERIOR_READY, 87}; 88 89/* This structure contains the IEEE 802.1Qau QCN managed object. 90 * 91 *@rpg_enable: enable QCN RP 92 *@rppp_max_rps: maximum number of RPs allowed for this CNPV on this port 93 *@rpg_time_reset: time between rate increases if no CNMs received. 94 * given in u-seconds 95 *@rpg_byte_reset: transmitted data between rate increases if no CNMs received. 96 * given in Bytes 97 *@rpg_threshold: The number of times rpByteStage or rpTimeStage can count 98 * before RP rate control state machine advances states 99 *@rpg_max_rate: the maxinun rate, in Mbits per second, 100 * at which an RP can transmit 101 *@rpg_ai_rate: The rate, in Mbits per second, 102 * used to increase rpTargetRate in the RPR_ACTIVE_INCREASE 103 *@rpg_hai_rate: The rate, in Mbits per second, 104 * used to increase rpTargetRate in the RPR_HYPER_INCREASE state 105 *@rpg_gd: Upon CNM receive, flow rate is limited to (Fb/Gd)*CurrentRate. 106 * rpgGd is given as log2(Gd), where Gd may only be powers of 2 107 *@rpg_min_dec_fac: The minimum factor by which the current transmit rate 108 * can be changed by reception of a CNM. 109 * value is given as percentage (1-100) 110 *@rpg_min_rate: The minimum value, in bits per second, for rate to limit 111 *@cndd_state_machine: The state of the congestion notification domain 112 * defense state machine, as defined by IEEE 802.3Qau 113 * section 32.1.1. In the interior ready state, 114 * the QCN capable hardware may add CN-TAG TLV to the 115 * outgoing traffic, to specifically identify outgoing 116 * flows. 117 */ 118 119struct ieee_qcn { 120 __u8 rpg_enable[IEEE_8021QAZ_MAX_TCS]; 121 __u32 rppp_max_rps[IEEE_8021QAZ_MAX_TCS]; 122 __u32 rpg_time_reset[IEEE_8021QAZ_MAX_TCS]; 123 __u32 rpg_byte_reset[IEEE_8021QAZ_MAX_TCS]; 124 __u32 rpg_threshold[IEEE_8021QAZ_MAX_TCS]; 125 __u32 rpg_max_rate[IEEE_8021QAZ_MAX_TCS]; 126 __u32 rpg_ai_rate[IEEE_8021QAZ_MAX_TCS]; 127 __u32 rpg_hai_rate[IEEE_8021QAZ_MAX_TCS]; 128 __u32 rpg_gd[IEEE_8021QAZ_MAX_TCS]; 129 __u32 rpg_min_dec_fac[IEEE_8021QAZ_MAX_TCS]; 130 __u32 rpg_min_rate[IEEE_8021QAZ_MAX_TCS]; 131 __u32 cndd_state_machine[IEEE_8021QAZ_MAX_TCS]; 132}; 133 134/* This structure contains the IEEE 802.1Qau QCN statistics. 135 * 136 *@rppp_rp_centiseconds: the number of RP-centiseconds accumulated 137 * by RPs at this priority level on this Port 138 *@rppp_created_rps: number of active RPs(flows) that react to CNMs 139 */ 140 141struct ieee_qcn_stats { 142 __u64 rppp_rp_centiseconds[IEEE_8021QAZ_MAX_TCS]; 143 __u32 rppp_created_rps[IEEE_8021QAZ_MAX_TCS]; 144}; 145 146/* This structure contains the IEEE 802.1Qaz PFC managed object 147 * 148 * @pfc_cap: Indicates the number of traffic classes on the local device 149 * that may simultaneously have PFC enabled. 150 * @pfc_en: bitmap indicating pfc enabled traffic classes 151 * @mbc: enable macsec bypass capability 152 * @delay: the allowance made for a round-trip propagation delay of the 153 * link in bits. 154 * @requests: count of the sent pfc frames 155 * @indications: count of the received pfc frames 156 */ 157struct ieee_pfc { 158 __u8 pfc_cap; 159 __u8 pfc_en; 160 __u8 mbc; 161 __u16 delay; 162 __u64 requests[IEEE_8021QAZ_MAX_TCS]; 163 __u64 indications[IEEE_8021QAZ_MAX_TCS]; 164}; 165 166/* CEE DCBX std supported values */ 167#define CEE_DCBX_MAX_PGS 8 168#define CEE_DCBX_MAX_PRIO 8 169 170/** 171 * struct cee_pg - CEE Priority-Group managed object 172 * 173 * @willing: willing bit in the PG tlv 174 * @error: error bit in the PG tlv 175 * @pg_en: enable bit of the PG feature 176 * @tcs_supported: number of traffic classes supported 177 * @pg_bw: bandwidth percentage for each priority group 178 * @prio_pg: priority to PG mapping indexed by priority 179 */ 180struct cee_pg { 181 __u8 willing; 182 __u8 error; 183 __u8 pg_en; 184 __u8 tcs_supported; 185 __u8 pg_bw[CEE_DCBX_MAX_PGS]; 186 __u8 prio_pg[CEE_DCBX_MAX_PGS]; 187}; 188 189/** 190 * struct cee_pfc - CEE PFC managed object 191 * 192 * @willing: willing bit in the PFC tlv 193 * @error: error bit in the PFC tlv 194 * @pfc_en: bitmap indicating pfc enabled traffic classes 195 * @tcs_supported: number of traffic classes supported 196 */ 197struct cee_pfc { 198 __u8 willing; 199 __u8 error; 200 __u8 pfc_en; 201 __u8 tcs_supported; 202}; 203 204/* IEEE 802.1Qaz std supported values */ 205#define IEEE_8021QAZ_APP_SEL_ETHERTYPE 1 206#define IEEE_8021QAZ_APP_SEL_STREAM 2 207#define IEEE_8021QAZ_APP_SEL_DGRAM 3 208#define IEEE_8021QAZ_APP_SEL_ANY 4 209 210/* This structure contains the IEEE 802.1Qaz APP managed object. This 211 * object is also used for the CEE std as well. 212 * 213 * @selector: protocol identifier type 214 * @protocol: protocol of type indicated 215 * @priority: 3-bit unsigned integer indicating priority for IEEE 216 * 8-bit 802.1p user priority bitmap for CEE 217 * 218 * ---- 219 * Selector field values for IEEE 802.1Qaz 220 * 0 Reserved 221 * 1 Ethertype 222 * 2 Well known port number over TCP or SCTP 223 * 3 Well known port number over UDP or DCCP 224 * 4 Well known port number over TCP, SCTP, UDP, or DCCP 225 * 5-7 Reserved 226 * 227 * Selector field values for CEE 228 * 0 Ethertype 229 * 1 Well known port number over TCP or UDP 230 * 2-3 Reserved 231 */ 232struct dcb_app { 233 __u8 selector; 234 __u8 priority; 235 __u16 protocol; 236}; 237 238/** 239 * struct dcb_peer_app_info - APP feature information sent by the peer 240 * 241 * @willing: willing bit in the peer APP tlv 242 * @error: error bit in the peer APP tlv 243 * 244 * In addition to this information the full peer APP tlv also contains 245 * a table of 'app_count' APP objects defined above. 246 */ 247struct dcb_peer_app_info { 248 __u8 willing; 249 __u8 error; 250}; 251 252struct dcbmsg { 253 __u8 dcb_family; 254 __u8 cmd; 255 __u16 dcb_pad; 256}; 257 258/** 259 * enum dcbnl_commands - supported DCB commands 260 * 261 * @DCB_CMD_UNDEFINED: unspecified command to catch errors 262 * @DCB_CMD_GSTATE: request the state of DCB in the device 263 * @DCB_CMD_SSTATE: set the state of DCB in the device 264 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx 265 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx 266 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx 267 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx 268 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration 269 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration 270 * @DCB_CMD_SET_ALL: apply all changes to the underlying device 271 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying 272 * device. Only useful when using bonding. 273 * @DCB_CMD_GCAP: request the DCB capabilities of the device 274 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported 275 * @DCB_CMD_SNUMTCS: set the number of traffic classes 276 * @DCB_CMD_GBCN: set backward congestion notification configuration 277 * @DCB_CMD_SBCN: get backward congestion notification configration. 278 * @DCB_CMD_GAPP: get application protocol configuration 279 * @DCB_CMD_SAPP: set application protocol configuration 280 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration 281 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration 282 * @DCB_CMD_GDCBX: get DCBX engine configuration 283 * @DCB_CMD_SDCBX: set DCBX engine configuration 284 * @DCB_CMD_GFEATCFG: get DCBX features flags 285 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags 286 * @DCB_CMD_CEE_GET: get CEE aggregated configuration 287 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration 288 */ 289enum dcbnl_commands { 290 DCB_CMD_UNDEFINED, 291 292 DCB_CMD_GSTATE, 293 DCB_CMD_SSTATE, 294 295 DCB_CMD_PGTX_GCFG, 296 DCB_CMD_PGTX_SCFG, 297 DCB_CMD_PGRX_GCFG, 298 DCB_CMD_PGRX_SCFG, 299 300 DCB_CMD_PFC_GCFG, 301 DCB_CMD_PFC_SCFG, 302 303 DCB_CMD_SET_ALL, 304 305 DCB_CMD_GPERM_HWADDR, 306 307 DCB_CMD_GCAP, 308 309 DCB_CMD_GNUMTCS, 310 DCB_CMD_SNUMTCS, 311 312 DCB_CMD_PFC_GSTATE, 313 DCB_CMD_PFC_SSTATE, 314 315 DCB_CMD_BCN_GCFG, 316 DCB_CMD_BCN_SCFG, 317 318 DCB_CMD_GAPP, 319 DCB_CMD_SAPP, 320 321 DCB_CMD_IEEE_SET, 322 DCB_CMD_IEEE_GET, 323 324 DCB_CMD_GDCBX, 325 DCB_CMD_SDCBX, 326 327 DCB_CMD_GFEATCFG, 328 DCB_CMD_SFEATCFG, 329 330 DCB_CMD_CEE_GET, 331 DCB_CMD_IEEE_DEL, 332 333 __DCB_CMD_ENUM_MAX, 334 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, 335}; 336 337/** 338 * enum dcbnl_attrs - DCB top-level netlink attributes 339 * 340 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors 341 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) 342 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) 343 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) 344 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) 345 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) 346 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) 347 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) 348 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) 349 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) 350 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) 351 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) 352 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) 353 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) 354 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) 355 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) 356 */ 357enum dcbnl_attrs { 358 DCB_ATTR_UNDEFINED, 359 360 DCB_ATTR_IFNAME, 361 DCB_ATTR_STATE, 362 DCB_ATTR_PFC_STATE, 363 DCB_ATTR_PFC_CFG, 364 DCB_ATTR_NUM_TC, 365 DCB_ATTR_PG_CFG, 366 DCB_ATTR_SET_ALL, 367 DCB_ATTR_PERM_HWADDR, 368 DCB_ATTR_CAP, 369 DCB_ATTR_NUMTCS, 370 DCB_ATTR_BCN, 371 DCB_ATTR_APP, 372 373 /* IEEE std attributes */ 374 DCB_ATTR_IEEE, 375 376 DCB_ATTR_DCBX, 377 DCB_ATTR_FEATCFG, 378 379 /* CEE nested attributes */ 380 DCB_ATTR_CEE, 381 382 __DCB_ATTR_ENUM_MAX, 383 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, 384}; 385 386/** 387 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes 388 * 389 * @DCB_ATTR_IEEE_UNSPEC: unspecified 390 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration 391 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration 392 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration 393 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only 394 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only 395 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only 396 */ 397enum ieee_attrs { 398 DCB_ATTR_IEEE_UNSPEC, 399 DCB_ATTR_IEEE_ETS, 400 DCB_ATTR_IEEE_PFC, 401 DCB_ATTR_IEEE_APP_TABLE, 402 DCB_ATTR_IEEE_PEER_ETS, 403 DCB_ATTR_IEEE_PEER_PFC, 404 DCB_ATTR_IEEE_PEER_APP, 405 DCB_ATTR_IEEE_MAXRATE, 406 DCB_ATTR_IEEE_QCN, 407 DCB_ATTR_IEEE_QCN_STATS, 408 __DCB_ATTR_IEEE_MAX 409}; 410#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) 411 412enum ieee_attrs_app { 413 DCB_ATTR_IEEE_APP_UNSPEC, 414 DCB_ATTR_IEEE_APP, 415 __DCB_ATTR_IEEE_APP_MAX 416}; 417#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) 418 419/** 420 * enum cee_attrs - CEE DCBX get attributes. 421 * 422 * @DCB_ATTR_CEE_UNSPEC: unspecified 423 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only 424 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only 425 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only 426 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG) 427 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG) 428 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG) 429 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP) 430 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG) 431 * 432 * An aggregated collection of the cee std negotiated parameters. 433 */ 434enum cee_attrs { 435 DCB_ATTR_CEE_UNSPEC, 436 DCB_ATTR_CEE_PEER_PG, 437 DCB_ATTR_CEE_PEER_PFC, 438 DCB_ATTR_CEE_PEER_APP_TABLE, 439 DCB_ATTR_CEE_TX_PG, 440 DCB_ATTR_CEE_RX_PG, 441 DCB_ATTR_CEE_PFC, 442 DCB_ATTR_CEE_APP_TABLE, 443 DCB_ATTR_CEE_FEAT, 444 __DCB_ATTR_CEE_MAX 445}; 446#define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) 447 448enum peer_app_attr { 449 DCB_ATTR_CEE_PEER_APP_UNSPEC, 450 DCB_ATTR_CEE_PEER_APP_INFO, 451 DCB_ATTR_CEE_PEER_APP, 452 __DCB_ATTR_CEE_PEER_APP_MAX 453}; 454#define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) 455 456enum cee_attrs_app { 457 DCB_ATTR_CEE_APP_UNSPEC, 458 DCB_ATTR_CEE_APP, 459 __DCB_ATTR_CEE_APP_MAX 460}; 461#define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1) 462 463/** 464 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs 465 * 466 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors 467 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) 468 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) 469 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) 470 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) 471 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) 472 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) 473 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) 474 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) 475 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined 476 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) 477 * 478 */ 479enum dcbnl_pfc_up_attrs { 480 DCB_PFC_UP_ATTR_UNDEFINED, 481 482 DCB_PFC_UP_ATTR_0, 483 DCB_PFC_UP_ATTR_1, 484 DCB_PFC_UP_ATTR_2, 485 DCB_PFC_UP_ATTR_3, 486 DCB_PFC_UP_ATTR_4, 487 DCB_PFC_UP_ATTR_5, 488 DCB_PFC_UP_ATTR_6, 489 DCB_PFC_UP_ATTR_7, 490 DCB_PFC_UP_ATTR_ALL, 491 492 __DCB_PFC_UP_ATTR_ENUM_MAX, 493 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, 494}; 495 496/** 497 * enum dcbnl_pg_attrs - DCB Priority Group attributes 498 * 499 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors 500 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) 501 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) 502 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) 503 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) 504 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) 505 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) 506 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) 507 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) 508 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined 509 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) 510 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) 511 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) 512 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) 513 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) 514 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) 515 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) 516 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) 517 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) 518 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined 519 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) 520 * 521 */ 522enum dcbnl_pg_attrs { 523 DCB_PG_ATTR_UNDEFINED, 524 525 DCB_PG_ATTR_TC_0, 526 DCB_PG_ATTR_TC_1, 527 DCB_PG_ATTR_TC_2, 528 DCB_PG_ATTR_TC_3, 529 DCB_PG_ATTR_TC_4, 530 DCB_PG_ATTR_TC_5, 531 DCB_PG_ATTR_TC_6, 532 DCB_PG_ATTR_TC_7, 533 DCB_PG_ATTR_TC_MAX, 534 DCB_PG_ATTR_TC_ALL, 535 536 DCB_PG_ATTR_BW_ID_0, 537 DCB_PG_ATTR_BW_ID_1, 538 DCB_PG_ATTR_BW_ID_2, 539 DCB_PG_ATTR_BW_ID_3, 540 DCB_PG_ATTR_BW_ID_4, 541 DCB_PG_ATTR_BW_ID_5, 542 DCB_PG_ATTR_BW_ID_6, 543 DCB_PG_ATTR_BW_ID_7, 544 DCB_PG_ATTR_BW_ID_MAX, 545 DCB_PG_ATTR_BW_ID_ALL, 546 547 __DCB_PG_ATTR_ENUM_MAX, 548 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, 549}; 550 551/** 552 * enum dcbnl_tc_attrs - DCB Traffic Class attributes 553 * 554 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors 555 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to 556 * Valid values are: 0-7 557 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map 558 * Some devices may not support changing the 559 * user priority map of a TC. 560 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting 561 * 0 - none 562 * 1 - group strict 563 * 2 - link strict 564 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and 565 * not configured to use link strict priority, 566 * this is the percentage of bandwidth of the 567 * priority group this traffic class belongs to 568 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters 569 * 570 */ 571enum dcbnl_tc_attrs { 572 DCB_TC_ATTR_PARAM_UNDEFINED, 573 574 DCB_TC_ATTR_PARAM_PGID, 575 DCB_TC_ATTR_PARAM_UP_MAPPING, 576 DCB_TC_ATTR_PARAM_STRICT_PRIO, 577 DCB_TC_ATTR_PARAM_BW_PCT, 578 DCB_TC_ATTR_PARAM_ALL, 579 580 __DCB_TC_ATTR_PARAM_ENUM_MAX, 581 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, 582}; 583 584/** 585 * enum dcbnl_cap_attrs - DCB Capability attributes 586 * 587 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors 588 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters 589 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups 590 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control 591 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to 592 * traffic class mapping 593 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a 594 * number of traffic classes the device 595 * can be configured to use for Priority Groups 596 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a 597 * number of traffic classes the device can be 598 * configured to use for Priority Flow Control 599 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority 600 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion 601 * Notification 602 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine 603 * 604 */ 605enum dcbnl_cap_attrs { 606 DCB_CAP_ATTR_UNDEFINED, 607 DCB_CAP_ATTR_ALL, 608 DCB_CAP_ATTR_PG, 609 DCB_CAP_ATTR_PFC, 610 DCB_CAP_ATTR_UP2TC, 611 DCB_CAP_ATTR_PG_TCS, 612 DCB_CAP_ATTR_PFC_TCS, 613 DCB_CAP_ATTR_GSP, 614 DCB_CAP_ATTR_BCN, 615 DCB_CAP_ATTR_DCBX, 616 617 __DCB_CAP_ATTR_ENUM_MAX, 618 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, 619}; 620 621/** 622 * DCBX capability flags 623 * 624 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. 625 * 'set' routines are used to configure the device with 626 * the negotiated parameters 627 * 628 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but 629 * by another entity 630 * 'get' routines are used to retrieve the 631 * negotiated parameters 632 * 'set' routines can be used to set the initial 633 * negotiation configuration 634 * 635 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine 636 * supports the CEE protocol flavor 637 * 638 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine 639 * supports the IEEE protocol flavor 640 * 641 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine 642 * supports static configuration (i.e no actual 643 * negotiation is performed negotiated parameters equal 644 * the initial configuration) 645 * 646 */ 647#define DCB_CAP_DCBX_HOST 0x01 648#define DCB_CAP_DCBX_LLD_MANAGED 0x02 649#define DCB_CAP_DCBX_VER_CEE 0x04 650#define DCB_CAP_DCBX_VER_IEEE 0x08 651#define DCB_CAP_DCBX_STATIC 0x10 652 653/** 654 * enum dcbnl_numtcs_attrs - number of traffic classes 655 * 656 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors 657 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes 658 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for 659 * priority groups 660 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can 661 * support priority flow control 662 */ 663enum dcbnl_numtcs_attrs { 664 DCB_NUMTCS_ATTR_UNDEFINED, 665 DCB_NUMTCS_ATTR_ALL, 666 DCB_NUMTCS_ATTR_PG, 667 DCB_NUMTCS_ATTR_PFC, 668 669 __DCB_NUMTCS_ATTR_ENUM_MAX, 670 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, 671}; 672 673enum dcbnl_bcn_attrs{ 674 DCB_BCN_ATTR_UNDEFINED = 0, 675 676 DCB_BCN_ATTR_RP_0, 677 DCB_BCN_ATTR_RP_1, 678 DCB_BCN_ATTR_RP_2, 679 DCB_BCN_ATTR_RP_3, 680 DCB_BCN_ATTR_RP_4, 681 DCB_BCN_ATTR_RP_5, 682 DCB_BCN_ATTR_RP_6, 683 DCB_BCN_ATTR_RP_7, 684 DCB_BCN_ATTR_RP_ALL, 685 686 DCB_BCN_ATTR_BCNA_0, 687 DCB_BCN_ATTR_BCNA_1, 688 DCB_BCN_ATTR_ALPHA, 689 DCB_BCN_ATTR_BETA, 690 DCB_BCN_ATTR_GD, 691 DCB_BCN_ATTR_GI, 692 DCB_BCN_ATTR_TMAX, 693 DCB_BCN_ATTR_TD, 694 DCB_BCN_ATTR_RMIN, 695 DCB_BCN_ATTR_W, 696 DCB_BCN_ATTR_RD, 697 DCB_BCN_ATTR_RU, 698 DCB_BCN_ATTR_WRTT, 699 DCB_BCN_ATTR_RI, 700 DCB_BCN_ATTR_C, 701 DCB_BCN_ATTR_ALL, 702 703 __DCB_BCN_ATTR_ENUM_MAX, 704 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, 705}; 706 707/** 708 * enum dcb_general_attr_values - general DCB attribute values 709 * 710 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported 711 * 712 */ 713enum dcb_general_attr_values { 714 DCB_ATTR_VALUE_UNDEFINED = 0xff 715}; 716 717#define DCB_APP_IDTYPE_ETHTYPE 0x00 718#define DCB_APP_IDTYPE_PORTNUM 0x01 719enum dcbnl_app_attrs { 720 DCB_APP_ATTR_UNDEFINED, 721 722 DCB_APP_ATTR_IDTYPE, 723 DCB_APP_ATTR_ID, 724 DCB_APP_ATTR_PRIORITY, 725 726 __DCB_APP_ATTR_ENUM_MAX, 727 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, 728}; 729 730/** 731 * enum dcbnl_featcfg_attrs - features conifiguration flags 732 * 733 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors 734 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes 735 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups 736 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority 737 * flow control 738 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV 739 * 740 */ 741#define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ 742#define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ 743#define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ 744#define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ 745enum dcbnl_featcfg_attrs { 746 DCB_FEATCFG_ATTR_UNDEFINED, 747 DCB_FEATCFG_ATTR_ALL, 748 DCB_FEATCFG_ATTR_PG, 749 DCB_FEATCFG_ATTR_PFC, 750 DCB_FEATCFG_ATTR_APP, 751 752 __DCB_FEATCFG_ATTR_ENUM_MAX, 753 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, 754}; 755 756#endif /* __LINUX_DCBNL_H__ */ 757