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 the IEEE 802.1Qaz PFC managed object 71 * 72 * @pfc_cap: Indicates the number of traffic classes on the local device 73 * that may simultaneously have PFC enabled. 74 * @pfc_en: bitmap indicating pfc enabled traffic classes 75 * @mbc: enable macsec bypass capability 76 * @delay: the allowance made for a round-trip propagation delay of the 77 * link in bits. 78 * @requests: count of the sent pfc frames 79 * @indications: count of the received pfc frames 80 */ 81 struct ieee_pfc { 82 __u8 pfc_cap; 83 __u8 pfc_en; 84 __u8 mbc; 85 __u16 delay; 86 __u64 requests[IEEE_8021QAZ_MAX_TCS]; 87 __u64 indications[IEEE_8021QAZ_MAX_TCS]; 88 }; 89 90 /* CEE DCBX std supported values */ 91 #define CEE_DCBX_MAX_PGS 8 92 #define CEE_DCBX_MAX_PRIO 8 93 94 /** 95 * struct cee_pg - CEE Priority-Group managed object 96 * 97 * @willing: willing bit in the PG tlv 98 * @error: error bit in the PG tlv 99 * @pg_en: enable bit of the PG feature 100 * @tcs_supported: number of traffic classes supported 101 * @pg_bw: bandwidth percentage for each priority group 102 * @prio_pg: priority to PG mapping indexed by priority 103 */ 104 struct cee_pg { 105 __u8 willing; 106 __u8 error; 107 __u8 pg_en; 108 __u8 tcs_supported; 109 __u8 pg_bw[CEE_DCBX_MAX_PGS]; 110 __u8 prio_pg[CEE_DCBX_MAX_PGS]; 111 }; 112 113 /** 114 * struct cee_pfc - CEE PFC managed object 115 * 116 * @willing: willing bit in the PFC tlv 117 * @error: error bit in the PFC tlv 118 * @pfc_en: bitmap indicating pfc enabled traffic classes 119 * @tcs_supported: number of traffic classes supported 120 */ 121 struct cee_pfc { 122 __u8 willing; 123 __u8 error; 124 __u8 pfc_en; 125 __u8 tcs_supported; 126 }; 127 128 /* IEEE 802.1Qaz std supported values */ 129 #define IEEE_8021QAZ_APP_SEL_ETHERTYPE 1 130 #define IEEE_8021QAZ_APP_SEL_STREAM 2 131 #define IEEE_8021QAZ_APP_SEL_DGRAM 3 132 #define IEEE_8021QAZ_APP_SEL_ANY 4 133 134 /* This structure contains the IEEE 802.1Qaz APP managed object. This 135 * object is also used for the CEE std as well. There is no difference 136 * between the objects. 137 * 138 * @selector: protocol identifier type 139 * @protocol: protocol of type indicated 140 * @priority: 3-bit unsigned integer indicating priority 141 * 142 * ---- 143 * Selector field values 144 * 0 Reserved 145 * 1 Ethertype 146 * 2 Well known port number over TCP or SCTP 147 * 3 Well known port number over UDP or DCCP 148 * 4 Well known port number over TCP, SCTP, UDP, or DCCP 149 * 5-7 Reserved 150 */ 151 struct dcb_app { 152 __u8 selector; 153 __u8 priority; 154 __u16 protocol; 155 }; 156 157 /** 158 * struct dcb_peer_app_info - APP feature information sent by the peer 159 * 160 * @willing: willing bit in the peer APP tlv 161 * @error: error bit in the peer APP tlv 162 * 163 * In addition to this information the full peer APP tlv also contains 164 * a table of 'app_count' APP objects defined above. 165 */ 166 struct dcb_peer_app_info { 167 __u8 willing; 168 __u8 error; 169 }; 170 171 struct dcbmsg { 172 __u8 dcb_family; 173 __u8 cmd; 174 __u16 dcb_pad; 175 }; 176 177 /** 178 * enum dcbnl_commands - supported DCB commands 179 * 180 * @DCB_CMD_UNDEFINED: unspecified command to catch errors 181 * @DCB_CMD_GSTATE: request the state of DCB in the device 182 * @DCB_CMD_SSTATE: set the state of DCB in the device 183 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx 184 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx 185 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx 186 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx 187 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration 188 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration 189 * @DCB_CMD_SET_ALL: apply all changes to the underlying device 190 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying 191 * device. Only useful when using bonding. 192 * @DCB_CMD_GCAP: request the DCB capabilities of the device 193 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported 194 * @DCB_CMD_SNUMTCS: set the number of traffic classes 195 * @DCB_CMD_GBCN: set backward congestion notification configuration 196 * @DCB_CMD_SBCN: get backward congestion notification configration. 197 * @DCB_CMD_GAPP: get application protocol configuration 198 * @DCB_CMD_SAPP: set application protocol configuration 199 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration 200 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration 201 * @DCB_CMD_GDCBX: get DCBX engine configuration 202 * @DCB_CMD_SDCBX: set DCBX engine configuration 203 * @DCB_CMD_GFEATCFG: get DCBX features flags 204 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags 205 * @DCB_CMD_CEE_GET: get CEE aggregated configuration 206 */ 207 enum dcbnl_commands { 208 DCB_CMD_UNDEFINED, 209 210 DCB_CMD_GSTATE, 211 DCB_CMD_SSTATE, 212 213 DCB_CMD_PGTX_GCFG, 214 DCB_CMD_PGTX_SCFG, 215 DCB_CMD_PGRX_GCFG, 216 DCB_CMD_PGRX_SCFG, 217 218 DCB_CMD_PFC_GCFG, 219 DCB_CMD_PFC_SCFG, 220 221 DCB_CMD_SET_ALL, 222 223 DCB_CMD_GPERM_HWADDR, 224 225 DCB_CMD_GCAP, 226 227 DCB_CMD_GNUMTCS, 228 DCB_CMD_SNUMTCS, 229 230 DCB_CMD_PFC_GSTATE, 231 DCB_CMD_PFC_SSTATE, 232 233 DCB_CMD_BCN_GCFG, 234 DCB_CMD_BCN_SCFG, 235 236 DCB_CMD_GAPP, 237 DCB_CMD_SAPP, 238 239 DCB_CMD_IEEE_SET, 240 DCB_CMD_IEEE_GET, 241 242 DCB_CMD_GDCBX, 243 DCB_CMD_SDCBX, 244 245 DCB_CMD_GFEATCFG, 246 DCB_CMD_SFEATCFG, 247 248 DCB_CMD_CEE_GET, 249 250 __DCB_CMD_ENUM_MAX, 251 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, 252 }; 253 254 /** 255 * enum dcbnl_attrs - DCB top-level netlink attributes 256 * 257 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors 258 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) 259 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) 260 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) 261 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) 262 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) 263 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) 264 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) 265 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) 266 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) 267 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) 268 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) 269 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) 270 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) 271 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) 272 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) 273 */ 274 enum dcbnl_attrs { 275 DCB_ATTR_UNDEFINED, 276 277 DCB_ATTR_IFNAME, 278 DCB_ATTR_STATE, 279 DCB_ATTR_PFC_STATE, 280 DCB_ATTR_PFC_CFG, 281 DCB_ATTR_NUM_TC, 282 DCB_ATTR_PG_CFG, 283 DCB_ATTR_SET_ALL, 284 DCB_ATTR_PERM_HWADDR, 285 DCB_ATTR_CAP, 286 DCB_ATTR_NUMTCS, 287 DCB_ATTR_BCN, 288 DCB_ATTR_APP, 289 290 /* IEEE std attributes */ 291 DCB_ATTR_IEEE, 292 293 DCB_ATTR_DCBX, 294 DCB_ATTR_FEATCFG, 295 296 /* CEE nested attributes */ 297 DCB_ATTR_CEE, 298 299 __DCB_ATTR_ENUM_MAX, 300 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, 301 }; 302 303 /** 304 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes 305 * 306 * @DCB_ATTR_IEEE_UNSPEC: unspecified 307 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration 308 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration 309 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration 310 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only 311 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only 312 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only 313 */ 314 enum ieee_attrs { 315 DCB_ATTR_IEEE_UNSPEC, 316 DCB_ATTR_IEEE_ETS, 317 DCB_ATTR_IEEE_PFC, 318 DCB_ATTR_IEEE_APP_TABLE, 319 DCB_ATTR_IEEE_PEER_ETS, 320 DCB_ATTR_IEEE_PEER_PFC, 321 DCB_ATTR_IEEE_PEER_APP, 322 __DCB_ATTR_IEEE_MAX 323 }; 324 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) 325 326 enum ieee_attrs_app { 327 DCB_ATTR_IEEE_APP_UNSPEC, 328 DCB_ATTR_IEEE_APP, 329 __DCB_ATTR_IEEE_APP_MAX 330 }; 331 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) 332 333 /** 334 * enum cee_attrs - CEE DCBX get attributes 335 * 336 * @DCB_ATTR_CEE_UNSPEC: unspecified 337 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only 338 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only 339 * @DCB_ATTR_CEE_PEER_APP: peer APP tlv - get only 340 */ 341 enum cee_attrs { 342 DCB_ATTR_CEE_UNSPEC, 343 DCB_ATTR_CEE_PEER_PG, 344 DCB_ATTR_CEE_PEER_PFC, 345 DCB_ATTR_CEE_PEER_APP_TABLE, 346 __DCB_ATTR_CEE_MAX 347 }; 348 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) 349 350 enum peer_app_attr { 351 DCB_ATTR_CEE_PEER_APP_UNSPEC, 352 DCB_ATTR_CEE_PEER_APP_INFO, 353 DCB_ATTR_CEE_PEER_APP, 354 __DCB_ATTR_CEE_PEER_APP_MAX 355 }; 356 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) 357 358 /** 359 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs 360 * 361 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors 362 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) 363 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) 364 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) 365 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) 366 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) 367 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) 368 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) 369 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) 370 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined 371 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) 372 * 373 */ 374 enum dcbnl_pfc_up_attrs { 375 DCB_PFC_UP_ATTR_UNDEFINED, 376 377 DCB_PFC_UP_ATTR_0, 378 DCB_PFC_UP_ATTR_1, 379 DCB_PFC_UP_ATTR_2, 380 DCB_PFC_UP_ATTR_3, 381 DCB_PFC_UP_ATTR_4, 382 DCB_PFC_UP_ATTR_5, 383 DCB_PFC_UP_ATTR_6, 384 DCB_PFC_UP_ATTR_7, 385 DCB_PFC_UP_ATTR_ALL, 386 387 __DCB_PFC_UP_ATTR_ENUM_MAX, 388 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, 389 }; 390 391 /** 392 * enum dcbnl_pg_attrs - DCB Priority Group attributes 393 * 394 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors 395 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) 396 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) 397 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) 398 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) 399 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) 400 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) 401 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) 402 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) 403 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined 404 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) 405 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) 406 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) 407 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) 408 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) 409 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) 410 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) 411 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) 412 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) 413 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined 414 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) 415 * 416 */ 417 enum dcbnl_pg_attrs { 418 DCB_PG_ATTR_UNDEFINED, 419 420 DCB_PG_ATTR_TC_0, 421 DCB_PG_ATTR_TC_1, 422 DCB_PG_ATTR_TC_2, 423 DCB_PG_ATTR_TC_3, 424 DCB_PG_ATTR_TC_4, 425 DCB_PG_ATTR_TC_5, 426 DCB_PG_ATTR_TC_6, 427 DCB_PG_ATTR_TC_7, 428 DCB_PG_ATTR_TC_MAX, 429 DCB_PG_ATTR_TC_ALL, 430 431 DCB_PG_ATTR_BW_ID_0, 432 DCB_PG_ATTR_BW_ID_1, 433 DCB_PG_ATTR_BW_ID_2, 434 DCB_PG_ATTR_BW_ID_3, 435 DCB_PG_ATTR_BW_ID_4, 436 DCB_PG_ATTR_BW_ID_5, 437 DCB_PG_ATTR_BW_ID_6, 438 DCB_PG_ATTR_BW_ID_7, 439 DCB_PG_ATTR_BW_ID_MAX, 440 DCB_PG_ATTR_BW_ID_ALL, 441 442 __DCB_PG_ATTR_ENUM_MAX, 443 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, 444 }; 445 446 /** 447 * enum dcbnl_tc_attrs - DCB Traffic Class attributes 448 * 449 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors 450 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to 451 * Valid values are: 0-7 452 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map 453 * Some devices may not support changing the 454 * user priority map of a TC. 455 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting 456 * 0 - none 457 * 1 - group strict 458 * 2 - link strict 459 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and 460 * not configured to use link strict priority, 461 * this is the percentage of bandwidth of the 462 * priority group this traffic class belongs to 463 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters 464 * 465 */ 466 enum dcbnl_tc_attrs { 467 DCB_TC_ATTR_PARAM_UNDEFINED, 468 469 DCB_TC_ATTR_PARAM_PGID, 470 DCB_TC_ATTR_PARAM_UP_MAPPING, 471 DCB_TC_ATTR_PARAM_STRICT_PRIO, 472 DCB_TC_ATTR_PARAM_BW_PCT, 473 DCB_TC_ATTR_PARAM_ALL, 474 475 __DCB_TC_ATTR_PARAM_ENUM_MAX, 476 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, 477 }; 478 479 /** 480 * enum dcbnl_cap_attrs - DCB Capability attributes 481 * 482 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors 483 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters 484 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups 485 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control 486 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to 487 * traffic class mapping 488 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a 489 * number of traffic classes the device 490 * can be configured to use for Priority Groups 491 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a 492 * number of traffic classes the device can be 493 * configured to use for Priority Flow Control 494 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority 495 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion 496 * Notification 497 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine 498 * 499 */ 500 enum dcbnl_cap_attrs { 501 DCB_CAP_ATTR_UNDEFINED, 502 DCB_CAP_ATTR_ALL, 503 DCB_CAP_ATTR_PG, 504 DCB_CAP_ATTR_PFC, 505 DCB_CAP_ATTR_UP2TC, 506 DCB_CAP_ATTR_PG_TCS, 507 DCB_CAP_ATTR_PFC_TCS, 508 DCB_CAP_ATTR_GSP, 509 DCB_CAP_ATTR_BCN, 510 DCB_CAP_ATTR_DCBX, 511 512 __DCB_CAP_ATTR_ENUM_MAX, 513 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, 514 }; 515 516 /** 517 * DCBX capability flags 518 * 519 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. 520 * 'set' routines are used to configure the device with 521 * the negotiated parameters 522 * 523 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but 524 * by another entity 525 * 'get' routines are used to retrieve the 526 * negotiated parameters 527 * 'set' routines can be used to set the initial 528 * negotiation configuration 529 * 530 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine 531 * supports the CEE protocol flavor 532 * 533 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine 534 * supports the IEEE protocol flavor 535 * 536 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine 537 * supports static configuration (i.e no actual 538 * negotiation is performed negotiated parameters equal 539 * the initial configuration) 540 * 541 */ 542 #define DCB_CAP_DCBX_HOST 0x01 543 #define DCB_CAP_DCBX_LLD_MANAGED 0x02 544 #define DCB_CAP_DCBX_VER_CEE 0x04 545 #define DCB_CAP_DCBX_VER_IEEE 0x08 546 #define DCB_CAP_DCBX_STATIC 0x10 547 548 /** 549 * enum dcbnl_numtcs_attrs - number of traffic classes 550 * 551 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors 552 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes 553 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for 554 * priority groups 555 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can 556 * support priority flow control 557 */ 558 enum dcbnl_numtcs_attrs { 559 DCB_NUMTCS_ATTR_UNDEFINED, 560 DCB_NUMTCS_ATTR_ALL, 561 DCB_NUMTCS_ATTR_PG, 562 DCB_NUMTCS_ATTR_PFC, 563 564 __DCB_NUMTCS_ATTR_ENUM_MAX, 565 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, 566 }; 567 568 enum dcbnl_bcn_attrs{ 569 DCB_BCN_ATTR_UNDEFINED = 0, 570 571 DCB_BCN_ATTR_RP_0, 572 DCB_BCN_ATTR_RP_1, 573 DCB_BCN_ATTR_RP_2, 574 DCB_BCN_ATTR_RP_3, 575 DCB_BCN_ATTR_RP_4, 576 DCB_BCN_ATTR_RP_5, 577 DCB_BCN_ATTR_RP_6, 578 DCB_BCN_ATTR_RP_7, 579 DCB_BCN_ATTR_RP_ALL, 580 581 DCB_BCN_ATTR_BCNA_0, 582 DCB_BCN_ATTR_BCNA_1, 583 DCB_BCN_ATTR_ALPHA, 584 DCB_BCN_ATTR_BETA, 585 DCB_BCN_ATTR_GD, 586 DCB_BCN_ATTR_GI, 587 DCB_BCN_ATTR_TMAX, 588 DCB_BCN_ATTR_TD, 589 DCB_BCN_ATTR_RMIN, 590 DCB_BCN_ATTR_W, 591 DCB_BCN_ATTR_RD, 592 DCB_BCN_ATTR_RU, 593 DCB_BCN_ATTR_WRTT, 594 DCB_BCN_ATTR_RI, 595 DCB_BCN_ATTR_C, 596 DCB_BCN_ATTR_ALL, 597 598 __DCB_BCN_ATTR_ENUM_MAX, 599 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, 600 }; 601 602 /** 603 * enum dcb_general_attr_values - general DCB attribute values 604 * 605 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported 606 * 607 */ 608 enum dcb_general_attr_values { 609 DCB_ATTR_VALUE_UNDEFINED = 0xff 610 }; 611 612 #define DCB_APP_IDTYPE_ETHTYPE 0x00 613 #define DCB_APP_IDTYPE_PORTNUM 0x01 614 enum dcbnl_app_attrs { 615 DCB_APP_ATTR_UNDEFINED, 616 617 DCB_APP_ATTR_IDTYPE, 618 DCB_APP_ATTR_ID, 619 DCB_APP_ATTR_PRIORITY, 620 621 __DCB_APP_ATTR_ENUM_MAX, 622 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, 623 }; 624 625 /** 626 * enum dcbnl_featcfg_attrs - features conifiguration flags 627 * 628 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors 629 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes 630 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups 631 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority 632 * flow control 633 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV 634 * 635 */ 636 #define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ 637 #define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ 638 #define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ 639 #define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ 640 enum dcbnl_featcfg_attrs { 641 DCB_FEATCFG_ATTR_UNDEFINED, 642 DCB_FEATCFG_ATTR_ALL, 643 DCB_FEATCFG_ATTR_PG, 644 DCB_FEATCFG_ATTR_PFC, 645 DCB_FEATCFG_ATTR_APP, 646 647 __DCB_FEATCFG_ATTR_ENUM_MAX, 648 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, 649 }; 650 651 #endif /* __LINUX_DCBNL_H__ */ 652