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