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#define IEEE_8021Q_MAX_PRIORITIES 8 167#define DCBX_MAX_BUFFERS 8 168struct dcbnl_buffer { 169 /* priority to buffer mapping */ 170 __u8 prio2buffer[IEEE_8021Q_MAX_PRIORITIES]; 171 /* buffer size in Bytes */ 172 __u32 buffer_size[DCBX_MAX_BUFFERS]; 173 __u32 total_size; 174}; 175 176/* CEE DCBX std supported values */ 177#define CEE_DCBX_MAX_PGS 8 178#define CEE_DCBX_MAX_PRIO 8 179 180/** 181 * struct cee_pg - CEE Priority-Group managed object 182 * 183 * @willing: willing bit in the PG tlv 184 * @error: error bit in the PG tlv 185 * @pg_en: enable bit of the PG feature 186 * @tcs_supported: number of traffic classes supported 187 * @pg_bw: bandwidth percentage for each priority group 188 * @prio_pg: priority to PG mapping indexed by priority 189 */ 190struct cee_pg { 191 __u8 willing; 192 __u8 error; 193 __u8 pg_en; 194 __u8 tcs_supported; 195 __u8 pg_bw[CEE_DCBX_MAX_PGS]; 196 __u8 prio_pg[CEE_DCBX_MAX_PGS]; 197}; 198 199/** 200 * struct cee_pfc - CEE PFC managed object 201 * 202 * @willing: willing bit in the PFC tlv 203 * @error: error bit in the PFC tlv 204 * @pfc_en: bitmap indicating pfc enabled traffic classes 205 * @tcs_supported: number of traffic classes supported 206 */ 207struct cee_pfc { 208 __u8 willing; 209 __u8 error; 210 __u8 pfc_en; 211 __u8 tcs_supported; 212}; 213 214/* IEEE 802.1Qaz std supported values */ 215#define IEEE_8021QAZ_APP_SEL_ETHERTYPE 1 216#define IEEE_8021QAZ_APP_SEL_STREAM 2 217#define IEEE_8021QAZ_APP_SEL_DGRAM 3 218#define IEEE_8021QAZ_APP_SEL_ANY 4 219#define IEEE_8021QAZ_APP_SEL_DSCP 5 220 221/* Non-std selector values */ 222#define DCB_APP_SEL_PCP 255 223 224/* This structure contains the IEEE 802.1Qaz APP managed object. This 225 * object is also used for the CEE std as well. 226 * 227 * @selector: protocol identifier type 228 * @protocol: protocol of type indicated 229 * @priority: 3-bit unsigned integer indicating priority for IEEE 230 * 8-bit 802.1p user priority bitmap for CEE 231 * 232 * ---- 233 * Selector field values for IEEE 802.1Qaz 234 * 0 Reserved 235 * 1 Ethertype 236 * 2 Well known port number over TCP or SCTP 237 * 3 Well known port number over UDP or DCCP 238 * 4 Well known port number over TCP, SCTP, UDP, or DCCP 239 * 5 Differentiated Services Code Point (DSCP) value 240 * 6-7 Reserved 241 * 242 * Selector field values for CEE 243 * 0 Ethertype 244 * 1 Well known port number over TCP or UDP 245 * 2-3 Reserved 246 */ 247struct dcb_app { 248 __u8 selector; 249 __u8 priority; 250 __u16 protocol; 251}; 252 253#define IEEE_8021QAZ_APP_SEL_MAX 255 254 255/** 256 * struct dcb_peer_app_info - APP feature information sent by the peer 257 * 258 * @willing: willing bit in the peer APP tlv 259 * @error: error bit in the peer APP tlv 260 * 261 * In addition to this information the full peer APP tlv also contains 262 * a table of 'app_count' APP objects defined above. 263 */ 264struct dcb_peer_app_info { 265 __u8 willing; 266 __u8 error; 267}; 268 269struct dcbmsg { 270 __u8 dcb_family; 271 __u8 cmd; 272 __u16 dcb_pad; 273}; 274 275/** 276 * enum dcbnl_commands - supported DCB commands 277 * 278 * @DCB_CMD_UNDEFINED: unspecified command to catch errors 279 * @DCB_CMD_GSTATE: request the state of DCB in the device 280 * @DCB_CMD_SSTATE: set the state of DCB in the device 281 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx 282 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx 283 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx 284 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx 285 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration 286 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration 287 * @DCB_CMD_SET_ALL: apply all changes to the underlying device 288 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying 289 * device. Only useful when using bonding. 290 * @DCB_CMD_GCAP: request the DCB capabilities of the device 291 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported 292 * @DCB_CMD_SNUMTCS: set the number of traffic classes 293 * @DCB_CMD_GBCN: set backward congestion notification configuration 294 * @DCB_CMD_SBCN: get backward congestion notification configuration. 295 * @DCB_CMD_GAPP: get application protocol configuration 296 * @DCB_CMD_SAPP: set application protocol configuration 297 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration 298 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration 299 * @DCB_CMD_GDCBX: get DCBX engine configuration 300 * @DCB_CMD_SDCBX: set DCBX engine configuration 301 * @DCB_CMD_GFEATCFG: get DCBX features flags 302 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags 303 * @DCB_CMD_CEE_GET: get CEE aggregated configuration 304 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration 305 */ 306enum dcbnl_commands { 307 DCB_CMD_UNDEFINED, 308 309 DCB_CMD_GSTATE, 310 DCB_CMD_SSTATE, 311 312 DCB_CMD_PGTX_GCFG, 313 DCB_CMD_PGTX_SCFG, 314 DCB_CMD_PGRX_GCFG, 315 DCB_CMD_PGRX_SCFG, 316 317 DCB_CMD_PFC_GCFG, 318 DCB_CMD_PFC_SCFG, 319 320 DCB_CMD_SET_ALL, 321 322 DCB_CMD_GPERM_HWADDR, 323 324 DCB_CMD_GCAP, 325 326 DCB_CMD_GNUMTCS, 327 DCB_CMD_SNUMTCS, 328 329 DCB_CMD_PFC_GSTATE, 330 DCB_CMD_PFC_SSTATE, 331 332 DCB_CMD_BCN_GCFG, 333 DCB_CMD_BCN_SCFG, 334 335 DCB_CMD_GAPP, 336 DCB_CMD_SAPP, 337 338 DCB_CMD_IEEE_SET, 339 DCB_CMD_IEEE_GET, 340 341 DCB_CMD_GDCBX, 342 DCB_CMD_SDCBX, 343 344 DCB_CMD_GFEATCFG, 345 DCB_CMD_SFEATCFG, 346 347 DCB_CMD_CEE_GET, 348 DCB_CMD_IEEE_DEL, 349 350 __DCB_CMD_ENUM_MAX, 351 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, 352}; 353 354/** 355 * enum dcbnl_attrs - DCB top-level netlink attributes 356 * 357 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors 358 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) 359 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) 360 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) 361 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) 362 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) 363 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) 364 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) 365 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) 366 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) 367 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) 368 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) 369 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) 370 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) 371 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) 372 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) 373 */ 374enum dcbnl_attrs { 375 DCB_ATTR_UNDEFINED, 376 377 DCB_ATTR_IFNAME, 378 DCB_ATTR_STATE, 379 DCB_ATTR_PFC_STATE, 380 DCB_ATTR_PFC_CFG, 381 DCB_ATTR_NUM_TC, 382 DCB_ATTR_PG_CFG, 383 DCB_ATTR_SET_ALL, 384 DCB_ATTR_PERM_HWADDR, 385 DCB_ATTR_CAP, 386 DCB_ATTR_NUMTCS, 387 DCB_ATTR_BCN, 388 DCB_ATTR_APP, 389 390 /* IEEE std attributes */ 391 DCB_ATTR_IEEE, 392 393 DCB_ATTR_DCBX, 394 DCB_ATTR_FEATCFG, 395 396 /* CEE nested attributes */ 397 DCB_ATTR_CEE, 398 399 __DCB_ATTR_ENUM_MAX, 400 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, 401}; 402 403/** 404 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes 405 * 406 * @DCB_ATTR_IEEE_UNSPEC: unspecified 407 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration 408 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration 409 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration 410 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only 411 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only 412 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only 413 * @DCB_ATTR_DCB_APP_TRUST_TABLE: selector trust table 414 * @DCB_ATTR_DCB_REWR_TABLE: rewrite configuration 415 */ 416enum ieee_attrs { 417 DCB_ATTR_IEEE_UNSPEC, 418 DCB_ATTR_IEEE_ETS, 419 DCB_ATTR_IEEE_PFC, 420 DCB_ATTR_IEEE_APP_TABLE, 421 DCB_ATTR_IEEE_PEER_ETS, 422 DCB_ATTR_IEEE_PEER_PFC, 423 DCB_ATTR_IEEE_PEER_APP, 424 DCB_ATTR_IEEE_MAXRATE, 425 DCB_ATTR_IEEE_QCN, 426 DCB_ATTR_IEEE_QCN_STATS, 427 DCB_ATTR_DCB_BUFFER, 428 DCB_ATTR_DCB_APP_TRUST_TABLE, 429 DCB_ATTR_DCB_REWR_TABLE, 430 __DCB_ATTR_IEEE_MAX 431}; 432#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) 433 434enum ieee_attrs_app { 435 DCB_ATTR_IEEE_APP_UNSPEC, 436 DCB_ATTR_IEEE_APP, 437 DCB_ATTR_DCB_APP, 438 __DCB_ATTR_IEEE_APP_MAX 439}; 440#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) 441 442/** 443 * enum cee_attrs - CEE DCBX get attributes. 444 * 445 * @DCB_ATTR_CEE_UNSPEC: unspecified 446 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only 447 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only 448 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only 449 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG) 450 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG) 451 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG) 452 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP) 453 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG) 454 * 455 * An aggregated collection of the cee std negotiated parameters. 456 */ 457enum cee_attrs { 458 DCB_ATTR_CEE_UNSPEC, 459 DCB_ATTR_CEE_PEER_PG, 460 DCB_ATTR_CEE_PEER_PFC, 461 DCB_ATTR_CEE_PEER_APP_TABLE, 462 DCB_ATTR_CEE_TX_PG, 463 DCB_ATTR_CEE_RX_PG, 464 DCB_ATTR_CEE_PFC, 465 DCB_ATTR_CEE_APP_TABLE, 466 DCB_ATTR_CEE_FEAT, 467 __DCB_ATTR_CEE_MAX 468}; 469#define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) 470 471enum peer_app_attr { 472 DCB_ATTR_CEE_PEER_APP_UNSPEC, 473 DCB_ATTR_CEE_PEER_APP_INFO, 474 DCB_ATTR_CEE_PEER_APP, 475 __DCB_ATTR_CEE_PEER_APP_MAX 476}; 477#define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) 478 479enum cee_attrs_app { 480 DCB_ATTR_CEE_APP_UNSPEC, 481 DCB_ATTR_CEE_APP, 482 __DCB_ATTR_CEE_APP_MAX 483}; 484#define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1) 485 486/** 487 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs 488 * 489 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors 490 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) 491 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) 492 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) 493 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) 494 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) 495 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) 496 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) 497 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) 498 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined 499 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) 500 * 501 */ 502enum dcbnl_pfc_up_attrs { 503 DCB_PFC_UP_ATTR_UNDEFINED, 504 505 DCB_PFC_UP_ATTR_0, 506 DCB_PFC_UP_ATTR_1, 507 DCB_PFC_UP_ATTR_2, 508 DCB_PFC_UP_ATTR_3, 509 DCB_PFC_UP_ATTR_4, 510 DCB_PFC_UP_ATTR_5, 511 DCB_PFC_UP_ATTR_6, 512 DCB_PFC_UP_ATTR_7, 513 DCB_PFC_UP_ATTR_ALL, 514 515 __DCB_PFC_UP_ATTR_ENUM_MAX, 516 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, 517}; 518 519/** 520 * enum dcbnl_pg_attrs - DCB Priority Group attributes 521 * 522 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors 523 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) 524 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) 525 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) 526 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) 527 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) 528 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) 529 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) 530 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) 531 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined 532 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) 533 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) 534 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) 535 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) 536 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) 537 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) 538 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) 539 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) 540 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) 541 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined 542 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) 543 * 544 */ 545enum dcbnl_pg_attrs { 546 DCB_PG_ATTR_UNDEFINED, 547 548 DCB_PG_ATTR_TC_0, 549 DCB_PG_ATTR_TC_1, 550 DCB_PG_ATTR_TC_2, 551 DCB_PG_ATTR_TC_3, 552 DCB_PG_ATTR_TC_4, 553 DCB_PG_ATTR_TC_5, 554 DCB_PG_ATTR_TC_6, 555 DCB_PG_ATTR_TC_7, 556 DCB_PG_ATTR_TC_MAX, 557 DCB_PG_ATTR_TC_ALL, 558 559 DCB_PG_ATTR_BW_ID_0, 560 DCB_PG_ATTR_BW_ID_1, 561 DCB_PG_ATTR_BW_ID_2, 562 DCB_PG_ATTR_BW_ID_3, 563 DCB_PG_ATTR_BW_ID_4, 564 DCB_PG_ATTR_BW_ID_5, 565 DCB_PG_ATTR_BW_ID_6, 566 DCB_PG_ATTR_BW_ID_7, 567 DCB_PG_ATTR_BW_ID_MAX, 568 DCB_PG_ATTR_BW_ID_ALL, 569 570 __DCB_PG_ATTR_ENUM_MAX, 571 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, 572}; 573 574/** 575 * enum dcbnl_tc_attrs - DCB Traffic Class attributes 576 * 577 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors 578 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to 579 * Valid values are: 0-7 580 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map 581 * Some devices may not support changing the 582 * user priority map of a TC. 583 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting 584 * 0 - none 585 * 1 - group strict 586 * 2 - link strict 587 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and 588 * not configured to use link strict priority, 589 * this is the percentage of bandwidth of the 590 * priority group this traffic class belongs to 591 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters 592 * 593 */ 594enum dcbnl_tc_attrs { 595 DCB_TC_ATTR_PARAM_UNDEFINED, 596 597 DCB_TC_ATTR_PARAM_PGID, 598 DCB_TC_ATTR_PARAM_UP_MAPPING, 599 DCB_TC_ATTR_PARAM_STRICT_PRIO, 600 DCB_TC_ATTR_PARAM_BW_PCT, 601 DCB_TC_ATTR_PARAM_ALL, 602 603 __DCB_TC_ATTR_PARAM_ENUM_MAX, 604 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, 605}; 606 607/** 608 * enum dcbnl_cap_attrs - DCB Capability attributes 609 * 610 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors 611 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters 612 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups 613 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control 614 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to 615 * traffic class mapping 616 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a 617 * number of traffic classes the device 618 * can be configured to use for Priority Groups 619 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a 620 * number of traffic classes the device can be 621 * configured to use for Priority Flow Control 622 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority 623 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion 624 * Notification 625 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine 626 * 627 */ 628enum dcbnl_cap_attrs { 629 DCB_CAP_ATTR_UNDEFINED, 630 DCB_CAP_ATTR_ALL, 631 DCB_CAP_ATTR_PG, 632 DCB_CAP_ATTR_PFC, 633 DCB_CAP_ATTR_UP2TC, 634 DCB_CAP_ATTR_PG_TCS, 635 DCB_CAP_ATTR_PFC_TCS, 636 DCB_CAP_ATTR_GSP, 637 DCB_CAP_ATTR_BCN, 638 DCB_CAP_ATTR_DCBX, 639 640 __DCB_CAP_ATTR_ENUM_MAX, 641 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, 642}; 643 644/** 645 * DCBX capability flags 646 * 647 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. 648 * 'set' routines are used to configure the device with 649 * the negotiated parameters 650 * 651 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but 652 * by another entity 653 * 'get' routines are used to retrieve the 654 * negotiated parameters 655 * 'set' routines can be used to set the initial 656 * negotiation configuration 657 * 658 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine 659 * supports the CEE protocol flavor 660 * 661 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine 662 * supports the IEEE protocol flavor 663 * 664 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine 665 * supports static configuration (i.e no actual 666 * negotiation is performed negotiated parameters equal 667 * the initial configuration) 668 * 669 */ 670#define DCB_CAP_DCBX_HOST 0x01 671#define DCB_CAP_DCBX_LLD_MANAGED 0x02 672#define DCB_CAP_DCBX_VER_CEE 0x04 673#define DCB_CAP_DCBX_VER_IEEE 0x08 674#define DCB_CAP_DCBX_STATIC 0x10 675 676/** 677 * enum dcbnl_numtcs_attrs - number of traffic classes 678 * 679 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors 680 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes 681 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for 682 * priority groups 683 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can 684 * support priority flow control 685 */ 686enum dcbnl_numtcs_attrs { 687 DCB_NUMTCS_ATTR_UNDEFINED, 688 DCB_NUMTCS_ATTR_ALL, 689 DCB_NUMTCS_ATTR_PG, 690 DCB_NUMTCS_ATTR_PFC, 691 692 __DCB_NUMTCS_ATTR_ENUM_MAX, 693 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, 694}; 695 696enum dcbnl_bcn_attrs{ 697 DCB_BCN_ATTR_UNDEFINED = 0, 698 699 DCB_BCN_ATTR_RP_0, 700 DCB_BCN_ATTR_RP_1, 701 DCB_BCN_ATTR_RP_2, 702 DCB_BCN_ATTR_RP_3, 703 DCB_BCN_ATTR_RP_4, 704 DCB_BCN_ATTR_RP_5, 705 DCB_BCN_ATTR_RP_6, 706 DCB_BCN_ATTR_RP_7, 707 DCB_BCN_ATTR_RP_ALL, 708 709 DCB_BCN_ATTR_BCNA_0, 710 DCB_BCN_ATTR_BCNA_1, 711 DCB_BCN_ATTR_ALPHA, 712 DCB_BCN_ATTR_BETA, 713 DCB_BCN_ATTR_GD, 714 DCB_BCN_ATTR_GI, 715 DCB_BCN_ATTR_TMAX, 716 DCB_BCN_ATTR_TD, 717 DCB_BCN_ATTR_RMIN, 718 DCB_BCN_ATTR_W, 719 DCB_BCN_ATTR_RD, 720 DCB_BCN_ATTR_RU, 721 DCB_BCN_ATTR_WRTT, 722 DCB_BCN_ATTR_RI, 723 DCB_BCN_ATTR_C, 724 DCB_BCN_ATTR_ALL, 725 726 __DCB_BCN_ATTR_ENUM_MAX, 727 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, 728}; 729 730/** 731 * enum dcb_general_attr_values - general DCB attribute values 732 * 733 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported 734 * 735 */ 736enum dcb_general_attr_values { 737 DCB_ATTR_VALUE_UNDEFINED = 0xff 738}; 739 740#define DCB_APP_IDTYPE_ETHTYPE 0x00 741#define DCB_APP_IDTYPE_PORTNUM 0x01 742enum dcbnl_app_attrs { 743 DCB_APP_ATTR_UNDEFINED, 744 745 DCB_APP_ATTR_IDTYPE, 746 DCB_APP_ATTR_ID, 747 DCB_APP_ATTR_PRIORITY, 748 749 __DCB_APP_ATTR_ENUM_MAX, 750 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, 751}; 752 753/** 754 * enum dcbnl_featcfg_attrs - features conifiguration flags 755 * 756 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors 757 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes 758 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups 759 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority 760 * flow control 761 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV 762 * 763 */ 764#define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ 765#define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ 766#define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ 767#define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ 768enum dcbnl_featcfg_attrs { 769 DCB_FEATCFG_ATTR_UNDEFINED, 770 DCB_FEATCFG_ATTR_ALL, 771 DCB_FEATCFG_ATTR_PG, 772 DCB_FEATCFG_ATTR_PFC, 773 DCB_FEATCFG_ATTR_APP, 774 775 __DCB_FEATCFG_ATTR_ENUM_MAX, 776 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, 777}; 778 779#endif /* __LINUX_DCBNL_H__ */ 780