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 */ 58 struct 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 */ 78 struct ieee_maxrate { 79 __u64 tc_maxrate[IEEE_8021QAZ_MAX_TCS]; 80 }; 81 82 enum 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 */ 118 119 struct 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 */ 140 141 struct 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 */ 157 struct 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 8 168 struct 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 */ 190 struct 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 */ 207 struct 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 * 5-7 Reserved 237 * 238 * Selector field values for CEE 239 * 0 Ethertype 240 * 1 Well known port number over TCP or UDP 241 * 2-3 Reserved 242 */ 243 struct dcb_app { 244 __u8 selector; 245 __u8 priority; 246 __u16 protocol; 247 }; 248 249 /** 250 * struct dcb_peer_app_info - APP feature information sent by the peer 251 * 252 * @willing: willing bit in the peer APP tlv 253 * @error: error bit in the peer APP tlv 254 * 255 * In addition to this information the full peer APP tlv also contains 256 * a table of 'app_count' APP objects defined above. 257 */ 258 struct dcb_peer_app_info { 259 __u8 willing; 260 __u8 error; 261 }; 262 263 struct dcbmsg { 264 __u8 dcb_family; 265 __u8 cmd; 266 __u16 dcb_pad; 267 }; 268 269 /** 270 * enum dcbnl_commands - supported DCB commands 271 * 272 * @DCB_CMD_UNDEFINED: unspecified command to catch errors 273 * @DCB_CMD_GSTATE: request the state of DCB in the device 274 * @DCB_CMD_SSTATE: set the state of DCB in the device 275 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx 276 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx 277 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx 278 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx 279 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration 280 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration 281 * @DCB_CMD_SET_ALL: apply all changes to the underlying device 282 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying 283 * device. Only useful when using bonding. 284 * @DCB_CMD_GCAP: request the DCB capabilities of the device 285 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported 286 * @DCB_CMD_SNUMTCS: set the number of traffic classes 287 * @DCB_CMD_GBCN: set backward congestion notification configuration 288 * @DCB_CMD_SBCN: get backward congestion notification configration. 289 * @DCB_CMD_GAPP: get application protocol configuration 290 * @DCB_CMD_SAPP: set application protocol configuration 291 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration 292 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration 293 * @DCB_CMD_GDCBX: get DCBX engine configuration 294 * @DCB_CMD_SDCBX: set DCBX engine configuration 295 * @DCB_CMD_GFEATCFG: get DCBX features flags 296 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags 297 * @DCB_CMD_CEE_GET: get CEE aggregated configuration 298 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration 299 */ 300 enum dcbnl_commands { 301 DCB_CMD_UNDEFINED, 302 303 DCB_CMD_GSTATE, 304 DCB_CMD_SSTATE, 305 306 DCB_CMD_PGTX_GCFG, 307 DCB_CMD_PGTX_SCFG, 308 DCB_CMD_PGRX_GCFG, 309 DCB_CMD_PGRX_SCFG, 310 311 DCB_CMD_PFC_GCFG, 312 DCB_CMD_PFC_SCFG, 313 314 DCB_CMD_SET_ALL, 315 316 DCB_CMD_GPERM_HWADDR, 317 318 DCB_CMD_GCAP, 319 320 DCB_CMD_GNUMTCS, 321 DCB_CMD_SNUMTCS, 322 323 DCB_CMD_PFC_GSTATE, 324 DCB_CMD_PFC_SSTATE, 325 326 DCB_CMD_BCN_GCFG, 327 DCB_CMD_BCN_SCFG, 328 329 DCB_CMD_GAPP, 330 DCB_CMD_SAPP, 331 332 DCB_CMD_IEEE_SET, 333 DCB_CMD_IEEE_GET, 334 335 DCB_CMD_GDCBX, 336 DCB_CMD_SDCBX, 337 338 DCB_CMD_GFEATCFG, 339 DCB_CMD_SFEATCFG, 340 341 DCB_CMD_CEE_GET, 342 DCB_CMD_IEEE_DEL, 343 344 __DCB_CMD_ENUM_MAX, 345 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, 346 }; 347 348 /** 349 * enum dcbnl_attrs - DCB top-level netlink attributes 350 * 351 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors 352 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) 353 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) 354 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) 355 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) 356 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) 357 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) 358 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) 359 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) 360 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) 361 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) 362 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) 363 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) 364 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) 365 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) 366 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) 367 */ 368 enum dcbnl_attrs { 369 DCB_ATTR_UNDEFINED, 370 371 DCB_ATTR_IFNAME, 372 DCB_ATTR_STATE, 373 DCB_ATTR_PFC_STATE, 374 DCB_ATTR_PFC_CFG, 375 DCB_ATTR_NUM_TC, 376 DCB_ATTR_PG_CFG, 377 DCB_ATTR_SET_ALL, 378 DCB_ATTR_PERM_HWADDR, 379 DCB_ATTR_CAP, 380 DCB_ATTR_NUMTCS, 381 DCB_ATTR_BCN, 382 DCB_ATTR_APP, 383 384 /* IEEE std attributes */ 385 DCB_ATTR_IEEE, 386 387 DCB_ATTR_DCBX, 388 DCB_ATTR_FEATCFG, 389 390 /* CEE nested attributes */ 391 DCB_ATTR_CEE, 392 393 __DCB_ATTR_ENUM_MAX, 394 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, 395 }; 396 397 /** 398 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes 399 * 400 * @DCB_ATTR_IEEE_UNSPEC: unspecified 401 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration 402 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration 403 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration 404 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only 405 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only 406 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only 407 */ 408 enum ieee_attrs { 409 DCB_ATTR_IEEE_UNSPEC, 410 DCB_ATTR_IEEE_ETS, 411 DCB_ATTR_IEEE_PFC, 412 DCB_ATTR_IEEE_APP_TABLE, 413 DCB_ATTR_IEEE_PEER_ETS, 414 DCB_ATTR_IEEE_PEER_PFC, 415 DCB_ATTR_IEEE_PEER_APP, 416 DCB_ATTR_IEEE_MAXRATE, 417 DCB_ATTR_IEEE_QCN, 418 DCB_ATTR_IEEE_QCN_STATS, 419 DCB_ATTR_DCB_BUFFER, 420 __DCB_ATTR_IEEE_MAX 421 }; 422 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) 423 424 enum ieee_attrs_app { 425 DCB_ATTR_IEEE_APP_UNSPEC, 426 DCB_ATTR_IEEE_APP, 427 __DCB_ATTR_IEEE_APP_MAX 428 }; 429 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) 430 431 /** 432 * enum cee_attrs - CEE DCBX get attributes. 433 * 434 * @DCB_ATTR_CEE_UNSPEC: unspecified 435 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only 436 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only 437 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only 438 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG) 439 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG) 440 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG) 441 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP) 442 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG) 443 * 444 * An aggregated collection of the cee std negotiated parameters. 445 */ 446 enum cee_attrs { 447 DCB_ATTR_CEE_UNSPEC, 448 DCB_ATTR_CEE_PEER_PG, 449 DCB_ATTR_CEE_PEER_PFC, 450 DCB_ATTR_CEE_PEER_APP_TABLE, 451 DCB_ATTR_CEE_TX_PG, 452 DCB_ATTR_CEE_RX_PG, 453 DCB_ATTR_CEE_PFC, 454 DCB_ATTR_CEE_APP_TABLE, 455 DCB_ATTR_CEE_FEAT, 456 __DCB_ATTR_CEE_MAX 457 }; 458 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) 459 460 enum peer_app_attr { 461 DCB_ATTR_CEE_PEER_APP_UNSPEC, 462 DCB_ATTR_CEE_PEER_APP_INFO, 463 DCB_ATTR_CEE_PEER_APP, 464 __DCB_ATTR_CEE_PEER_APP_MAX 465 }; 466 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) 467 468 enum cee_attrs_app { 469 DCB_ATTR_CEE_APP_UNSPEC, 470 DCB_ATTR_CEE_APP, 471 __DCB_ATTR_CEE_APP_MAX 472 }; 473 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1) 474 475 /** 476 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs 477 * 478 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors 479 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) 480 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) 481 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) 482 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) 483 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) 484 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) 485 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) 486 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) 487 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined 488 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) 489 * 490 */ 491 enum dcbnl_pfc_up_attrs { 492 DCB_PFC_UP_ATTR_UNDEFINED, 493 494 DCB_PFC_UP_ATTR_0, 495 DCB_PFC_UP_ATTR_1, 496 DCB_PFC_UP_ATTR_2, 497 DCB_PFC_UP_ATTR_3, 498 DCB_PFC_UP_ATTR_4, 499 DCB_PFC_UP_ATTR_5, 500 DCB_PFC_UP_ATTR_6, 501 DCB_PFC_UP_ATTR_7, 502 DCB_PFC_UP_ATTR_ALL, 503 504 __DCB_PFC_UP_ATTR_ENUM_MAX, 505 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, 506 }; 507 508 /** 509 * enum dcbnl_pg_attrs - DCB Priority Group attributes 510 * 511 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors 512 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) 513 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) 514 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) 515 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) 516 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) 517 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) 518 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) 519 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) 520 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined 521 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) 522 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) 523 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) 524 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) 525 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) 526 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) 527 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) 528 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) 529 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) 530 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined 531 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) 532 * 533 */ 534 enum dcbnl_pg_attrs { 535 DCB_PG_ATTR_UNDEFINED, 536 537 DCB_PG_ATTR_TC_0, 538 DCB_PG_ATTR_TC_1, 539 DCB_PG_ATTR_TC_2, 540 DCB_PG_ATTR_TC_3, 541 DCB_PG_ATTR_TC_4, 542 DCB_PG_ATTR_TC_5, 543 DCB_PG_ATTR_TC_6, 544 DCB_PG_ATTR_TC_7, 545 DCB_PG_ATTR_TC_MAX, 546 DCB_PG_ATTR_TC_ALL, 547 548 DCB_PG_ATTR_BW_ID_0, 549 DCB_PG_ATTR_BW_ID_1, 550 DCB_PG_ATTR_BW_ID_2, 551 DCB_PG_ATTR_BW_ID_3, 552 DCB_PG_ATTR_BW_ID_4, 553 DCB_PG_ATTR_BW_ID_5, 554 DCB_PG_ATTR_BW_ID_6, 555 DCB_PG_ATTR_BW_ID_7, 556 DCB_PG_ATTR_BW_ID_MAX, 557 DCB_PG_ATTR_BW_ID_ALL, 558 559 __DCB_PG_ATTR_ENUM_MAX, 560 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, 561 }; 562 563 /** 564 * enum dcbnl_tc_attrs - DCB Traffic Class attributes 565 * 566 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors 567 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to 568 * Valid values are: 0-7 569 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map 570 * Some devices may not support changing the 571 * user priority map of a TC. 572 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting 573 * 0 - none 574 * 1 - group strict 575 * 2 - link strict 576 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and 577 * not configured to use link strict priority, 578 * this is the percentage of bandwidth of the 579 * priority group this traffic class belongs to 580 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters 581 * 582 */ 583 enum dcbnl_tc_attrs { 584 DCB_TC_ATTR_PARAM_UNDEFINED, 585 586 DCB_TC_ATTR_PARAM_PGID, 587 DCB_TC_ATTR_PARAM_UP_MAPPING, 588 DCB_TC_ATTR_PARAM_STRICT_PRIO, 589 DCB_TC_ATTR_PARAM_BW_PCT, 590 DCB_TC_ATTR_PARAM_ALL, 591 592 __DCB_TC_ATTR_PARAM_ENUM_MAX, 593 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, 594 }; 595 596 /** 597 * enum dcbnl_cap_attrs - DCB Capability attributes 598 * 599 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors 600 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters 601 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups 602 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control 603 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to 604 * traffic class mapping 605 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a 606 * number of traffic classes the device 607 * can be configured to use for Priority Groups 608 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a 609 * number of traffic classes the device can be 610 * configured to use for Priority Flow Control 611 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority 612 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion 613 * Notification 614 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine 615 * 616 */ 617 enum dcbnl_cap_attrs { 618 DCB_CAP_ATTR_UNDEFINED, 619 DCB_CAP_ATTR_ALL, 620 DCB_CAP_ATTR_PG, 621 DCB_CAP_ATTR_PFC, 622 DCB_CAP_ATTR_UP2TC, 623 DCB_CAP_ATTR_PG_TCS, 624 DCB_CAP_ATTR_PFC_TCS, 625 DCB_CAP_ATTR_GSP, 626 DCB_CAP_ATTR_BCN, 627 DCB_CAP_ATTR_DCBX, 628 629 __DCB_CAP_ATTR_ENUM_MAX, 630 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, 631 }; 632 633 /** 634 * DCBX capability flags 635 * 636 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. 637 * 'set' routines are used to configure the device with 638 * the negotiated parameters 639 * 640 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but 641 * by another entity 642 * 'get' routines are used to retrieve the 643 * negotiated parameters 644 * 'set' routines can be used to set the initial 645 * negotiation configuration 646 * 647 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine 648 * supports the CEE protocol flavor 649 * 650 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine 651 * supports the IEEE protocol flavor 652 * 653 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine 654 * supports static configuration (i.e no actual 655 * negotiation is performed negotiated parameters equal 656 * the initial configuration) 657 * 658 */ 659 #define DCB_CAP_DCBX_HOST 0x01 660 #define DCB_CAP_DCBX_LLD_MANAGED 0x02 661 #define DCB_CAP_DCBX_VER_CEE 0x04 662 #define DCB_CAP_DCBX_VER_IEEE 0x08 663 #define DCB_CAP_DCBX_STATIC 0x10 664 665 /** 666 * enum dcbnl_numtcs_attrs - number of traffic classes 667 * 668 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors 669 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes 670 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for 671 * priority groups 672 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can 673 * support priority flow control 674 */ 675 enum dcbnl_numtcs_attrs { 676 DCB_NUMTCS_ATTR_UNDEFINED, 677 DCB_NUMTCS_ATTR_ALL, 678 DCB_NUMTCS_ATTR_PG, 679 DCB_NUMTCS_ATTR_PFC, 680 681 __DCB_NUMTCS_ATTR_ENUM_MAX, 682 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, 683 }; 684 685 enum dcbnl_bcn_attrs{ 686 DCB_BCN_ATTR_UNDEFINED = 0, 687 688 DCB_BCN_ATTR_RP_0, 689 DCB_BCN_ATTR_RP_1, 690 DCB_BCN_ATTR_RP_2, 691 DCB_BCN_ATTR_RP_3, 692 DCB_BCN_ATTR_RP_4, 693 DCB_BCN_ATTR_RP_5, 694 DCB_BCN_ATTR_RP_6, 695 DCB_BCN_ATTR_RP_7, 696 DCB_BCN_ATTR_RP_ALL, 697 698 DCB_BCN_ATTR_BCNA_0, 699 DCB_BCN_ATTR_BCNA_1, 700 DCB_BCN_ATTR_ALPHA, 701 DCB_BCN_ATTR_BETA, 702 DCB_BCN_ATTR_GD, 703 DCB_BCN_ATTR_GI, 704 DCB_BCN_ATTR_TMAX, 705 DCB_BCN_ATTR_TD, 706 DCB_BCN_ATTR_RMIN, 707 DCB_BCN_ATTR_W, 708 DCB_BCN_ATTR_RD, 709 DCB_BCN_ATTR_RU, 710 DCB_BCN_ATTR_WRTT, 711 DCB_BCN_ATTR_RI, 712 DCB_BCN_ATTR_C, 713 DCB_BCN_ATTR_ALL, 714 715 __DCB_BCN_ATTR_ENUM_MAX, 716 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, 717 }; 718 719 /** 720 * enum dcb_general_attr_values - general DCB attribute values 721 * 722 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported 723 * 724 */ 725 enum dcb_general_attr_values { 726 DCB_ATTR_VALUE_UNDEFINED = 0xff 727 }; 728 729 #define DCB_APP_IDTYPE_ETHTYPE 0x00 730 #define DCB_APP_IDTYPE_PORTNUM 0x01 731 enum dcbnl_app_attrs { 732 DCB_APP_ATTR_UNDEFINED, 733 734 DCB_APP_ATTR_IDTYPE, 735 DCB_APP_ATTR_ID, 736 DCB_APP_ATTR_PRIORITY, 737 738 __DCB_APP_ATTR_ENUM_MAX, 739 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, 740 }; 741 742 /** 743 * enum dcbnl_featcfg_attrs - features conifiguration flags 744 * 745 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors 746 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes 747 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups 748 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority 749 * flow control 750 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV 751 * 752 */ 753 #define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ 754 #define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ 755 #define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ 756 #define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ 757 enum dcbnl_featcfg_attrs { 758 DCB_FEATCFG_ATTR_UNDEFINED, 759 DCB_FEATCFG_ATTR_ALL, 760 DCB_FEATCFG_ATTR_PG, 761 DCB_FEATCFG_ATTR_PFC, 762 DCB_FEATCFG_ATTR_APP, 763 764 __DCB_FEATCFG_ATTR_ENUM_MAX, 765 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, 766 }; 767 768 #endif /* __LINUX_DCBNL_H__ */ 769