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