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 */ 57 struct 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 */ 77 struct ieee_maxrate { 78 __u64 tc_maxrate[IEEE_8021QAZ_MAX_TCS]; 79 }; 80 81 enum 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 */ 117 118 struct 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 */ 139 140 struct 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 */ 156 struct 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 */ 179 struct 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 */ 196 struct 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. There is no difference 211 * between the objects. 212 * 213 * @selector: protocol identifier type 214 * @protocol: protocol of type indicated 215 * @priority: 3-bit unsigned integer indicating priority for IEEE 216 * 8-bit 802.1p user priority bitmap for CEE 217 * 218 * ---- 219 * Selector field values 220 * 0 Reserved 221 * 1 Ethertype 222 * 2 Well known port number over TCP or SCTP 223 * 3 Well known port number over UDP or DCCP 224 * 4 Well known port number over TCP, SCTP, UDP, or DCCP 225 * 5-7 Reserved 226 */ 227 struct dcb_app { 228 __u8 selector; 229 __u8 priority; 230 __u16 protocol; 231 }; 232 233 /** 234 * struct dcb_peer_app_info - APP feature information sent by the peer 235 * 236 * @willing: willing bit in the peer APP tlv 237 * @error: error bit in the peer APP tlv 238 * 239 * In addition to this information the full peer APP tlv also contains 240 * a table of 'app_count' APP objects defined above. 241 */ 242 struct dcb_peer_app_info { 243 __u8 willing; 244 __u8 error; 245 }; 246 247 struct dcbmsg { 248 __u8 dcb_family; 249 __u8 cmd; 250 __u16 dcb_pad; 251 }; 252 253 /** 254 * enum dcbnl_commands - supported DCB commands 255 * 256 * @DCB_CMD_UNDEFINED: unspecified command to catch errors 257 * @DCB_CMD_GSTATE: request the state of DCB in the device 258 * @DCB_CMD_SSTATE: set the state of DCB in the device 259 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx 260 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx 261 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx 262 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx 263 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration 264 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration 265 * @DCB_CMD_SET_ALL: apply all changes to the underlying device 266 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying 267 * device. Only useful when using bonding. 268 * @DCB_CMD_GCAP: request the DCB capabilities of the device 269 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported 270 * @DCB_CMD_SNUMTCS: set the number of traffic classes 271 * @DCB_CMD_GBCN: set backward congestion notification configuration 272 * @DCB_CMD_SBCN: get backward congestion notification configration. 273 * @DCB_CMD_GAPP: get application protocol configuration 274 * @DCB_CMD_SAPP: set application protocol configuration 275 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration 276 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration 277 * @DCB_CMD_GDCBX: get DCBX engine configuration 278 * @DCB_CMD_SDCBX: set DCBX engine configuration 279 * @DCB_CMD_GFEATCFG: get DCBX features flags 280 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags 281 * @DCB_CMD_CEE_GET: get CEE aggregated configuration 282 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration 283 */ 284 enum dcbnl_commands { 285 DCB_CMD_UNDEFINED, 286 287 DCB_CMD_GSTATE, 288 DCB_CMD_SSTATE, 289 290 DCB_CMD_PGTX_GCFG, 291 DCB_CMD_PGTX_SCFG, 292 DCB_CMD_PGRX_GCFG, 293 DCB_CMD_PGRX_SCFG, 294 295 DCB_CMD_PFC_GCFG, 296 DCB_CMD_PFC_SCFG, 297 298 DCB_CMD_SET_ALL, 299 300 DCB_CMD_GPERM_HWADDR, 301 302 DCB_CMD_GCAP, 303 304 DCB_CMD_GNUMTCS, 305 DCB_CMD_SNUMTCS, 306 307 DCB_CMD_PFC_GSTATE, 308 DCB_CMD_PFC_SSTATE, 309 310 DCB_CMD_BCN_GCFG, 311 DCB_CMD_BCN_SCFG, 312 313 DCB_CMD_GAPP, 314 DCB_CMD_SAPP, 315 316 DCB_CMD_IEEE_SET, 317 DCB_CMD_IEEE_GET, 318 319 DCB_CMD_GDCBX, 320 DCB_CMD_SDCBX, 321 322 DCB_CMD_GFEATCFG, 323 DCB_CMD_SFEATCFG, 324 325 DCB_CMD_CEE_GET, 326 DCB_CMD_IEEE_DEL, 327 328 __DCB_CMD_ENUM_MAX, 329 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, 330 }; 331 332 /** 333 * enum dcbnl_attrs - DCB top-level netlink attributes 334 * 335 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors 336 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) 337 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) 338 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) 339 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) 340 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) 341 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) 342 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) 343 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) 344 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) 345 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) 346 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) 347 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) 348 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) 349 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) 350 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) 351 */ 352 enum dcbnl_attrs { 353 DCB_ATTR_UNDEFINED, 354 355 DCB_ATTR_IFNAME, 356 DCB_ATTR_STATE, 357 DCB_ATTR_PFC_STATE, 358 DCB_ATTR_PFC_CFG, 359 DCB_ATTR_NUM_TC, 360 DCB_ATTR_PG_CFG, 361 DCB_ATTR_SET_ALL, 362 DCB_ATTR_PERM_HWADDR, 363 DCB_ATTR_CAP, 364 DCB_ATTR_NUMTCS, 365 DCB_ATTR_BCN, 366 DCB_ATTR_APP, 367 368 /* IEEE std attributes */ 369 DCB_ATTR_IEEE, 370 371 DCB_ATTR_DCBX, 372 DCB_ATTR_FEATCFG, 373 374 /* CEE nested attributes */ 375 DCB_ATTR_CEE, 376 377 __DCB_ATTR_ENUM_MAX, 378 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, 379 }; 380 381 /** 382 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes 383 * 384 * @DCB_ATTR_IEEE_UNSPEC: unspecified 385 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration 386 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration 387 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration 388 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only 389 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only 390 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only 391 */ 392 enum ieee_attrs { 393 DCB_ATTR_IEEE_UNSPEC, 394 DCB_ATTR_IEEE_ETS, 395 DCB_ATTR_IEEE_PFC, 396 DCB_ATTR_IEEE_APP_TABLE, 397 DCB_ATTR_IEEE_PEER_ETS, 398 DCB_ATTR_IEEE_PEER_PFC, 399 DCB_ATTR_IEEE_PEER_APP, 400 DCB_ATTR_IEEE_MAXRATE, 401 DCB_ATTR_IEEE_QCN, 402 DCB_ATTR_IEEE_QCN_STATS, 403 __DCB_ATTR_IEEE_MAX 404 }; 405 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) 406 407 enum ieee_attrs_app { 408 DCB_ATTR_IEEE_APP_UNSPEC, 409 DCB_ATTR_IEEE_APP, 410 __DCB_ATTR_IEEE_APP_MAX 411 }; 412 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) 413 414 /** 415 * enum cee_attrs - CEE DCBX get attributes. 416 * 417 * @DCB_ATTR_CEE_UNSPEC: unspecified 418 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only 419 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only 420 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only 421 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG) 422 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG) 423 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG) 424 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP) 425 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG) 426 * 427 * An aggregated collection of the cee std negotiated parameters. 428 */ 429 enum cee_attrs { 430 DCB_ATTR_CEE_UNSPEC, 431 DCB_ATTR_CEE_PEER_PG, 432 DCB_ATTR_CEE_PEER_PFC, 433 DCB_ATTR_CEE_PEER_APP_TABLE, 434 DCB_ATTR_CEE_TX_PG, 435 DCB_ATTR_CEE_RX_PG, 436 DCB_ATTR_CEE_PFC, 437 DCB_ATTR_CEE_APP_TABLE, 438 DCB_ATTR_CEE_FEAT, 439 __DCB_ATTR_CEE_MAX 440 }; 441 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) 442 443 enum peer_app_attr { 444 DCB_ATTR_CEE_PEER_APP_UNSPEC, 445 DCB_ATTR_CEE_PEER_APP_INFO, 446 DCB_ATTR_CEE_PEER_APP, 447 __DCB_ATTR_CEE_PEER_APP_MAX 448 }; 449 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) 450 451 enum cee_attrs_app { 452 DCB_ATTR_CEE_APP_UNSPEC, 453 DCB_ATTR_CEE_APP, 454 __DCB_ATTR_CEE_APP_MAX 455 }; 456 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1) 457 458 /** 459 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs 460 * 461 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors 462 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) 463 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) 464 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) 465 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) 466 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) 467 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) 468 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) 469 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) 470 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined 471 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) 472 * 473 */ 474 enum dcbnl_pfc_up_attrs { 475 DCB_PFC_UP_ATTR_UNDEFINED, 476 477 DCB_PFC_UP_ATTR_0, 478 DCB_PFC_UP_ATTR_1, 479 DCB_PFC_UP_ATTR_2, 480 DCB_PFC_UP_ATTR_3, 481 DCB_PFC_UP_ATTR_4, 482 DCB_PFC_UP_ATTR_5, 483 DCB_PFC_UP_ATTR_6, 484 DCB_PFC_UP_ATTR_7, 485 DCB_PFC_UP_ATTR_ALL, 486 487 __DCB_PFC_UP_ATTR_ENUM_MAX, 488 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, 489 }; 490 491 /** 492 * enum dcbnl_pg_attrs - DCB Priority Group attributes 493 * 494 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors 495 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) 496 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) 497 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) 498 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) 499 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) 500 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) 501 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) 502 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) 503 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined 504 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) 505 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) 506 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) 507 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) 508 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) 509 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) 510 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) 511 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) 512 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) 513 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined 514 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) 515 * 516 */ 517 enum dcbnl_pg_attrs { 518 DCB_PG_ATTR_UNDEFINED, 519 520 DCB_PG_ATTR_TC_0, 521 DCB_PG_ATTR_TC_1, 522 DCB_PG_ATTR_TC_2, 523 DCB_PG_ATTR_TC_3, 524 DCB_PG_ATTR_TC_4, 525 DCB_PG_ATTR_TC_5, 526 DCB_PG_ATTR_TC_6, 527 DCB_PG_ATTR_TC_7, 528 DCB_PG_ATTR_TC_MAX, 529 DCB_PG_ATTR_TC_ALL, 530 531 DCB_PG_ATTR_BW_ID_0, 532 DCB_PG_ATTR_BW_ID_1, 533 DCB_PG_ATTR_BW_ID_2, 534 DCB_PG_ATTR_BW_ID_3, 535 DCB_PG_ATTR_BW_ID_4, 536 DCB_PG_ATTR_BW_ID_5, 537 DCB_PG_ATTR_BW_ID_6, 538 DCB_PG_ATTR_BW_ID_7, 539 DCB_PG_ATTR_BW_ID_MAX, 540 DCB_PG_ATTR_BW_ID_ALL, 541 542 __DCB_PG_ATTR_ENUM_MAX, 543 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, 544 }; 545 546 /** 547 * enum dcbnl_tc_attrs - DCB Traffic Class attributes 548 * 549 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors 550 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to 551 * Valid values are: 0-7 552 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map 553 * Some devices may not support changing the 554 * user priority map of a TC. 555 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting 556 * 0 - none 557 * 1 - group strict 558 * 2 - link strict 559 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and 560 * not configured to use link strict priority, 561 * this is the percentage of bandwidth of the 562 * priority group this traffic class belongs to 563 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters 564 * 565 */ 566 enum dcbnl_tc_attrs { 567 DCB_TC_ATTR_PARAM_UNDEFINED, 568 569 DCB_TC_ATTR_PARAM_PGID, 570 DCB_TC_ATTR_PARAM_UP_MAPPING, 571 DCB_TC_ATTR_PARAM_STRICT_PRIO, 572 DCB_TC_ATTR_PARAM_BW_PCT, 573 DCB_TC_ATTR_PARAM_ALL, 574 575 __DCB_TC_ATTR_PARAM_ENUM_MAX, 576 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, 577 }; 578 579 /** 580 * enum dcbnl_cap_attrs - DCB Capability attributes 581 * 582 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors 583 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters 584 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups 585 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control 586 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to 587 * traffic class mapping 588 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a 589 * number of traffic classes the device 590 * can be configured to use for Priority Groups 591 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a 592 * number of traffic classes the device can be 593 * configured to use for Priority Flow Control 594 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority 595 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion 596 * Notification 597 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine 598 * 599 */ 600 enum dcbnl_cap_attrs { 601 DCB_CAP_ATTR_UNDEFINED, 602 DCB_CAP_ATTR_ALL, 603 DCB_CAP_ATTR_PG, 604 DCB_CAP_ATTR_PFC, 605 DCB_CAP_ATTR_UP2TC, 606 DCB_CAP_ATTR_PG_TCS, 607 DCB_CAP_ATTR_PFC_TCS, 608 DCB_CAP_ATTR_GSP, 609 DCB_CAP_ATTR_BCN, 610 DCB_CAP_ATTR_DCBX, 611 612 __DCB_CAP_ATTR_ENUM_MAX, 613 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, 614 }; 615 616 /** 617 * DCBX capability flags 618 * 619 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. 620 * 'set' routines are used to configure the device with 621 * the negotiated parameters 622 * 623 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but 624 * by another entity 625 * 'get' routines are used to retrieve the 626 * negotiated parameters 627 * 'set' routines can be used to set the initial 628 * negotiation configuration 629 * 630 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine 631 * supports the CEE protocol flavor 632 * 633 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine 634 * supports the IEEE protocol flavor 635 * 636 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine 637 * supports static configuration (i.e no actual 638 * negotiation is performed negotiated parameters equal 639 * the initial configuration) 640 * 641 */ 642 #define DCB_CAP_DCBX_HOST 0x01 643 #define DCB_CAP_DCBX_LLD_MANAGED 0x02 644 #define DCB_CAP_DCBX_VER_CEE 0x04 645 #define DCB_CAP_DCBX_VER_IEEE 0x08 646 #define DCB_CAP_DCBX_STATIC 0x10 647 648 /** 649 * enum dcbnl_numtcs_attrs - number of traffic classes 650 * 651 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors 652 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes 653 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for 654 * priority groups 655 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can 656 * support priority flow control 657 */ 658 enum dcbnl_numtcs_attrs { 659 DCB_NUMTCS_ATTR_UNDEFINED, 660 DCB_NUMTCS_ATTR_ALL, 661 DCB_NUMTCS_ATTR_PG, 662 DCB_NUMTCS_ATTR_PFC, 663 664 __DCB_NUMTCS_ATTR_ENUM_MAX, 665 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, 666 }; 667 668 enum dcbnl_bcn_attrs{ 669 DCB_BCN_ATTR_UNDEFINED = 0, 670 671 DCB_BCN_ATTR_RP_0, 672 DCB_BCN_ATTR_RP_1, 673 DCB_BCN_ATTR_RP_2, 674 DCB_BCN_ATTR_RP_3, 675 DCB_BCN_ATTR_RP_4, 676 DCB_BCN_ATTR_RP_5, 677 DCB_BCN_ATTR_RP_6, 678 DCB_BCN_ATTR_RP_7, 679 DCB_BCN_ATTR_RP_ALL, 680 681 DCB_BCN_ATTR_BCNA_0, 682 DCB_BCN_ATTR_BCNA_1, 683 DCB_BCN_ATTR_ALPHA, 684 DCB_BCN_ATTR_BETA, 685 DCB_BCN_ATTR_GD, 686 DCB_BCN_ATTR_GI, 687 DCB_BCN_ATTR_TMAX, 688 DCB_BCN_ATTR_TD, 689 DCB_BCN_ATTR_RMIN, 690 DCB_BCN_ATTR_W, 691 DCB_BCN_ATTR_RD, 692 DCB_BCN_ATTR_RU, 693 DCB_BCN_ATTR_WRTT, 694 DCB_BCN_ATTR_RI, 695 DCB_BCN_ATTR_C, 696 DCB_BCN_ATTR_ALL, 697 698 __DCB_BCN_ATTR_ENUM_MAX, 699 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, 700 }; 701 702 /** 703 * enum dcb_general_attr_values - general DCB attribute values 704 * 705 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported 706 * 707 */ 708 enum dcb_general_attr_values { 709 DCB_ATTR_VALUE_UNDEFINED = 0xff 710 }; 711 712 #define DCB_APP_IDTYPE_ETHTYPE 0x00 713 #define DCB_APP_IDTYPE_PORTNUM 0x01 714 enum dcbnl_app_attrs { 715 DCB_APP_ATTR_UNDEFINED, 716 717 DCB_APP_ATTR_IDTYPE, 718 DCB_APP_ATTR_ID, 719 DCB_APP_ATTR_PRIORITY, 720 721 __DCB_APP_ATTR_ENUM_MAX, 722 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, 723 }; 724 725 /** 726 * enum dcbnl_featcfg_attrs - features conifiguration flags 727 * 728 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors 729 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes 730 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups 731 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority 732 * flow control 733 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV 734 * 735 */ 736 #define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ 737 #define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ 738 #define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ 739 #define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ 740 enum dcbnl_featcfg_attrs { 741 DCB_FEATCFG_ATTR_UNDEFINED, 742 DCB_FEATCFG_ATTR_ALL, 743 DCB_FEATCFG_ATTR_PG, 744 DCB_FEATCFG_ATTR_PFC, 745 DCB_FEATCFG_ATTR_APP, 746 747 __DCB_FEATCFG_ATTR_ENUM_MAX, 748 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, 749 }; 750 751 #endif /* __LINUX_DCBNL_H__ */ 752