dcbnl.h (25292B)
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/* This structure contains the IEEE 802.1Qaz APP managed object. This 222 * object is also used for the CEE std as well. 223 * 224 * @selector: protocol identifier type 225 * @protocol: protocol of type indicated 226 * @priority: 3-bit unsigned integer indicating priority for IEEE 227 * 8-bit 802.1p user priority bitmap for CEE 228 * 229 * ---- 230 * Selector field values for IEEE 802.1Qaz 231 * 0 Reserved 232 * 1 Ethertype 233 * 2 Well known port number over TCP or SCTP 234 * 3 Well known port number over UDP or DCCP 235 * 4 Well known port number over TCP, SCTP, UDP, or DCCP 236 * 5 Differentiated Services Code Point (DSCP) value 237 * 6-7 Reserved 238 * 239 * Selector field values for CEE 240 * 0 Ethertype 241 * 1 Well known port number over TCP or UDP 242 * 2-3 Reserved 243 */ 244struct dcb_app { 245 __u8 selector; 246 __u8 priority; 247 __u16 protocol; 248}; 249 250/** 251 * struct dcb_peer_app_info - APP feature information sent by the peer 252 * 253 * @willing: willing bit in the peer APP tlv 254 * @error: error bit in the peer APP tlv 255 * 256 * In addition to this information the full peer APP tlv also contains 257 * a table of 'app_count' APP objects defined above. 258 */ 259struct dcb_peer_app_info { 260 __u8 willing; 261 __u8 error; 262}; 263 264struct dcbmsg { 265 __u8 dcb_family; 266 __u8 cmd; 267 __u16 dcb_pad; 268}; 269 270/** 271 * enum dcbnl_commands - supported DCB commands 272 * 273 * @DCB_CMD_UNDEFINED: unspecified command to catch errors 274 * @DCB_CMD_GSTATE: request the state of DCB in the device 275 * @DCB_CMD_SSTATE: set the state of DCB in the device 276 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx 277 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx 278 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx 279 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx 280 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration 281 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration 282 * @DCB_CMD_SET_ALL: apply all changes to the underlying device 283 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying 284 * device. Only useful when using bonding. 285 * @DCB_CMD_GCAP: request the DCB capabilities of the device 286 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported 287 * @DCB_CMD_SNUMTCS: set the number of traffic classes 288 * @DCB_CMD_GBCN: set backward congestion notification configuration 289 * @DCB_CMD_SBCN: get backward congestion notification configuration. 290 * @DCB_CMD_GAPP: get application protocol configuration 291 * @DCB_CMD_SAPP: set application protocol configuration 292 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration 293 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration 294 * @DCB_CMD_GDCBX: get DCBX engine configuration 295 * @DCB_CMD_SDCBX: set DCBX engine configuration 296 * @DCB_CMD_GFEATCFG: get DCBX features flags 297 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags 298 * @DCB_CMD_CEE_GET: get CEE aggregated configuration 299 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration 300 */ 301enum dcbnl_commands { 302 DCB_CMD_UNDEFINED, 303 304 DCB_CMD_GSTATE, 305 DCB_CMD_SSTATE, 306 307 DCB_CMD_PGTX_GCFG, 308 DCB_CMD_PGTX_SCFG, 309 DCB_CMD_PGRX_GCFG, 310 DCB_CMD_PGRX_SCFG, 311 312 DCB_CMD_PFC_GCFG, 313 DCB_CMD_PFC_SCFG, 314 315 DCB_CMD_SET_ALL, 316 317 DCB_CMD_GPERM_HWADDR, 318 319 DCB_CMD_GCAP, 320 321 DCB_CMD_GNUMTCS, 322 DCB_CMD_SNUMTCS, 323 324 DCB_CMD_PFC_GSTATE, 325 DCB_CMD_PFC_SSTATE, 326 327 DCB_CMD_BCN_GCFG, 328 DCB_CMD_BCN_SCFG, 329 330 DCB_CMD_GAPP, 331 DCB_CMD_SAPP, 332 333 DCB_CMD_IEEE_SET, 334 DCB_CMD_IEEE_GET, 335 336 DCB_CMD_GDCBX, 337 DCB_CMD_SDCBX, 338 339 DCB_CMD_GFEATCFG, 340 DCB_CMD_SFEATCFG, 341 342 DCB_CMD_CEE_GET, 343 DCB_CMD_IEEE_DEL, 344 345 __DCB_CMD_ENUM_MAX, 346 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, 347}; 348 349/** 350 * enum dcbnl_attrs - DCB top-level netlink attributes 351 * 352 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors 353 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) 354 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) 355 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) 356 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) 357 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) 358 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) 359 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) 360 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) 361 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) 362 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) 363 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) 364 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) 365 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) 366 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) 367 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) 368 */ 369enum dcbnl_attrs { 370 DCB_ATTR_UNDEFINED, 371 372 DCB_ATTR_IFNAME, 373 DCB_ATTR_STATE, 374 DCB_ATTR_PFC_STATE, 375 DCB_ATTR_PFC_CFG, 376 DCB_ATTR_NUM_TC, 377 DCB_ATTR_PG_CFG, 378 DCB_ATTR_SET_ALL, 379 DCB_ATTR_PERM_HWADDR, 380 DCB_ATTR_CAP, 381 DCB_ATTR_NUMTCS, 382 DCB_ATTR_BCN, 383 DCB_ATTR_APP, 384 385 /* IEEE std attributes */ 386 DCB_ATTR_IEEE, 387 388 DCB_ATTR_DCBX, 389 DCB_ATTR_FEATCFG, 390 391 /* CEE nested attributes */ 392 DCB_ATTR_CEE, 393 394 __DCB_ATTR_ENUM_MAX, 395 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, 396}; 397 398/** 399 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes 400 * 401 * @DCB_ATTR_IEEE_UNSPEC: unspecified 402 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration 403 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration 404 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration 405 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only 406 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only 407 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only 408 */ 409enum ieee_attrs { 410 DCB_ATTR_IEEE_UNSPEC, 411 DCB_ATTR_IEEE_ETS, 412 DCB_ATTR_IEEE_PFC, 413 DCB_ATTR_IEEE_APP_TABLE, 414 DCB_ATTR_IEEE_PEER_ETS, 415 DCB_ATTR_IEEE_PEER_PFC, 416 DCB_ATTR_IEEE_PEER_APP, 417 DCB_ATTR_IEEE_MAXRATE, 418 DCB_ATTR_IEEE_QCN, 419 DCB_ATTR_IEEE_QCN_STATS, 420 DCB_ATTR_DCB_BUFFER, 421 __DCB_ATTR_IEEE_MAX 422}; 423#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) 424 425enum ieee_attrs_app { 426 DCB_ATTR_IEEE_APP_UNSPEC, 427 DCB_ATTR_IEEE_APP, 428 __DCB_ATTR_IEEE_APP_MAX 429}; 430#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) 431 432/** 433 * enum cee_attrs - CEE DCBX get attributes. 434 * 435 * @DCB_ATTR_CEE_UNSPEC: unspecified 436 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only 437 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only 438 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only 439 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG) 440 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG) 441 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG) 442 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP) 443 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG) 444 * 445 * An aggregated collection of the cee std negotiated parameters. 446 */ 447enum cee_attrs { 448 DCB_ATTR_CEE_UNSPEC, 449 DCB_ATTR_CEE_PEER_PG, 450 DCB_ATTR_CEE_PEER_PFC, 451 DCB_ATTR_CEE_PEER_APP_TABLE, 452 DCB_ATTR_CEE_TX_PG, 453 DCB_ATTR_CEE_RX_PG, 454 DCB_ATTR_CEE_PFC, 455 DCB_ATTR_CEE_APP_TABLE, 456 DCB_ATTR_CEE_FEAT, 457 __DCB_ATTR_CEE_MAX 458}; 459#define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) 460 461enum peer_app_attr { 462 DCB_ATTR_CEE_PEER_APP_UNSPEC, 463 DCB_ATTR_CEE_PEER_APP_INFO, 464 DCB_ATTR_CEE_PEER_APP, 465 __DCB_ATTR_CEE_PEER_APP_MAX 466}; 467#define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) 468 469enum cee_attrs_app { 470 DCB_ATTR_CEE_APP_UNSPEC, 471 DCB_ATTR_CEE_APP, 472 __DCB_ATTR_CEE_APP_MAX 473}; 474#define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1) 475 476/** 477 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs 478 * 479 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors 480 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) 481 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) 482 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) 483 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) 484 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) 485 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) 486 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) 487 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) 488 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined 489 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) 490 * 491 */ 492enum dcbnl_pfc_up_attrs { 493 DCB_PFC_UP_ATTR_UNDEFINED, 494 495 DCB_PFC_UP_ATTR_0, 496 DCB_PFC_UP_ATTR_1, 497 DCB_PFC_UP_ATTR_2, 498 DCB_PFC_UP_ATTR_3, 499 DCB_PFC_UP_ATTR_4, 500 DCB_PFC_UP_ATTR_5, 501 DCB_PFC_UP_ATTR_6, 502 DCB_PFC_UP_ATTR_7, 503 DCB_PFC_UP_ATTR_ALL, 504 505 __DCB_PFC_UP_ATTR_ENUM_MAX, 506 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, 507}; 508 509/** 510 * enum dcbnl_pg_attrs - DCB Priority Group attributes 511 * 512 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors 513 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) 514 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) 515 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) 516 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) 517 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) 518 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) 519 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) 520 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) 521 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined 522 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) 523 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) 524 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) 525 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) 526 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) 527 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) 528 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) 529 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) 530 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) 531 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined 532 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) 533 * 534 */ 535enum dcbnl_pg_attrs { 536 DCB_PG_ATTR_UNDEFINED, 537 538 DCB_PG_ATTR_TC_0, 539 DCB_PG_ATTR_TC_1, 540 DCB_PG_ATTR_TC_2, 541 DCB_PG_ATTR_TC_3, 542 DCB_PG_ATTR_TC_4, 543 DCB_PG_ATTR_TC_5, 544 DCB_PG_ATTR_TC_6, 545 DCB_PG_ATTR_TC_7, 546 DCB_PG_ATTR_TC_MAX, 547 DCB_PG_ATTR_TC_ALL, 548 549 DCB_PG_ATTR_BW_ID_0, 550 DCB_PG_ATTR_BW_ID_1, 551 DCB_PG_ATTR_BW_ID_2, 552 DCB_PG_ATTR_BW_ID_3, 553 DCB_PG_ATTR_BW_ID_4, 554 DCB_PG_ATTR_BW_ID_5, 555 DCB_PG_ATTR_BW_ID_6, 556 DCB_PG_ATTR_BW_ID_7, 557 DCB_PG_ATTR_BW_ID_MAX, 558 DCB_PG_ATTR_BW_ID_ALL, 559 560 __DCB_PG_ATTR_ENUM_MAX, 561 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, 562}; 563 564/** 565 * enum dcbnl_tc_attrs - DCB Traffic Class attributes 566 * 567 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors 568 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to 569 * Valid values are: 0-7 570 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map 571 * Some devices may not support changing the 572 * user priority map of a TC. 573 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting 574 * 0 - none 575 * 1 - group strict 576 * 2 - link strict 577 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and 578 * not configured to use link strict priority, 579 * this is the percentage of bandwidth of the 580 * priority group this traffic class belongs to 581 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters 582 * 583 */ 584enum dcbnl_tc_attrs { 585 DCB_TC_ATTR_PARAM_UNDEFINED, 586 587 DCB_TC_ATTR_PARAM_PGID, 588 DCB_TC_ATTR_PARAM_UP_MAPPING, 589 DCB_TC_ATTR_PARAM_STRICT_PRIO, 590 DCB_TC_ATTR_PARAM_BW_PCT, 591 DCB_TC_ATTR_PARAM_ALL, 592 593 __DCB_TC_ATTR_PARAM_ENUM_MAX, 594 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, 595}; 596 597/** 598 * enum dcbnl_cap_attrs - DCB Capability attributes 599 * 600 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors 601 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters 602 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups 603 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control 604 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to 605 * traffic class mapping 606 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a 607 * number of traffic classes the device 608 * can be configured to use for Priority Groups 609 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a 610 * number of traffic classes the device can be 611 * configured to use for Priority Flow Control 612 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority 613 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion 614 * Notification 615 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine 616 * 617 */ 618enum dcbnl_cap_attrs { 619 DCB_CAP_ATTR_UNDEFINED, 620 DCB_CAP_ATTR_ALL, 621 DCB_CAP_ATTR_PG, 622 DCB_CAP_ATTR_PFC, 623 DCB_CAP_ATTR_UP2TC, 624 DCB_CAP_ATTR_PG_TCS, 625 DCB_CAP_ATTR_PFC_TCS, 626 DCB_CAP_ATTR_GSP, 627 DCB_CAP_ATTR_BCN, 628 DCB_CAP_ATTR_DCBX, 629 630 __DCB_CAP_ATTR_ENUM_MAX, 631 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, 632}; 633 634/** 635 * DCBX capability flags 636 * 637 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. 638 * 'set' routines are used to configure the device with 639 * the negotiated parameters 640 * 641 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but 642 * by another entity 643 * 'get' routines are used to retrieve the 644 * negotiated parameters 645 * 'set' routines can be used to set the initial 646 * negotiation configuration 647 * 648 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine 649 * supports the CEE protocol flavor 650 * 651 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine 652 * supports the IEEE protocol flavor 653 * 654 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine 655 * supports static configuration (i.e no actual 656 * negotiation is performed negotiated parameters equal 657 * the initial configuration) 658 * 659 */ 660#define DCB_CAP_DCBX_HOST 0x01 661#define DCB_CAP_DCBX_LLD_MANAGED 0x02 662#define DCB_CAP_DCBX_VER_CEE 0x04 663#define DCB_CAP_DCBX_VER_IEEE 0x08 664#define DCB_CAP_DCBX_STATIC 0x10 665 666/** 667 * enum dcbnl_numtcs_attrs - number of traffic classes 668 * 669 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors 670 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes 671 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for 672 * priority groups 673 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can 674 * support priority flow control 675 */ 676enum dcbnl_numtcs_attrs { 677 DCB_NUMTCS_ATTR_UNDEFINED, 678 DCB_NUMTCS_ATTR_ALL, 679 DCB_NUMTCS_ATTR_PG, 680 DCB_NUMTCS_ATTR_PFC, 681 682 __DCB_NUMTCS_ATTR_ENUM_MAX, 683 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, 684}; 685 686enum dcbnl_bcn_attrs{ 687 DCB_BCN_ATTR_UNDEFINED = 0, 688 689 DCB_BCN_ATTR_RP_0, 690 DCB_BCN_ATTR_RP_1, 691 DCB_BCN_ATTR_RP_2, 692 DCB_BCN_ATTR_RP_3, 693 DCB_BCN_ATTR_RP_4, 694 DCB_BCN_ATTR_RP_5, 695 DCB_BCN_ATTR_RP_6, 696 DCB_BCN_ATTR_RP_7, 697 DCB_BCN_ATTR_RP_ALL, 698 699 DCB_BCN_ATTR_BCNA_0, 700 DCB_BCN_ATTR_BCNA_1, 701 DCB_BCN_ATTR_ALPHA, 702 DCB_BCN_ATTR_BETA, 703 DCB_BCN_ATTR_GD, 704 DCB_BCN_ATTR_GI, 705 DCB_BCN_ATTR_TMAX, 706 DCB_BCN_ATTR_TD, 707 DCB_BCN_ATTR_RMIN, 708 DCB_BCN_ATTR_W, 709 DCB_BCN_ATTR_RD, 710 DCB_BCN_ATTR_RU, 711 DCB_BCN_ATTR_WRTT, 712 DCB_BCN_ATTR_RI, 713 DCB_BCN_ATTR_C, 714 DCB_BCN_ATTR_ALL, 715 716 __DCB_BCN_ATTR_ENUM_MAX, 717 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, 718}; 719 720/** 721 * enum dcb_general_attr_values - general DCB attribute values 722 * 723 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported 724 * 725 */ 726enum dcb_general_attr_values { 727 DCB_ATTR_VALUE_UNDEFINED = 0xff 728}; 729 730#define DCB_APP_IDTYPE_ETHTYPE 0x00 731#define DCB_APP_IDTYPE_PORTNUM 0x01 732enum dcbnl_app_attrs { 733 DCB_APP_ATTR_UNDEFINED, 734 735 DCB_APP_ATTR_IDTYPE, 736 DCB_APP_ATTR_ID, 737 DCB_APP_ATTR_PRIORITY, 738 739 __DCB_APP_ATTR_ENUM_MAX, 740 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, 741}; 742 743/** 744 * enum dcbnl_featcfg_attrs - features conifiguration flags 745 * 746 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors 747 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes 748 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups 749 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority 750 * flow control 751 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV 752 * 753 */ 754#define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ 755#define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ 756#define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ 757#define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ 758enum dcbnl_featcfg_attrs { 759 DCB_FEATCFG_ATTR_UNDEFINED, 760 DCB_FEATCFG_ATTR_ALL, 761 DCB_FEATCFG_ATTR_PG, 762 DCB_FEATCFG_ATTR_PFC, 763 DCB_FEATCFG_ATTR_APP, 764 765 __DCB_FEATCFG_ATTR_ENUM_MAX, 766 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, 767}; 768 769#endif /* __LINUX_DCBNL_H__ */