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 <[email protected]> 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 /* This structure contains the IEEE 802.1Qaz PFC managed object 82 * 83 * @pfc_cap: Indicates the number of traffic classes on the local device 84 * that may simultaneously have PFC enabled. 85 * @pfc_en: bitmap indicating pfc enabled traffic classes 86 * @mbc: enable macsec bypass capability 87 * @delay: the allowance made for a round-trip propagation delay of the 88 * link in bits. 89 * @requests: count of the sent pfc frames 90 * @indications: count of the received pfc frames 91 */ 92 struct ieee_pfc { 93 __u8 pfc_cap; 94 __u8 pfc_en; 95 __u8 mbc; 96 __u16 delay; 97 __u64 requests[IEEE_8021QAZ_MAX_TCS]; 98 __u64 indications[IEEE_8021QAZ_MAX_TCS]; 99 }; 100 101 /* CEE DCBX std supported values */ 102 #define CEE_DCBX_MAX_PGS 8 103 #define CEE_DCBX_MAX_PRIO 8 104 105 /** 106 * struct cee_pg - CEE Priority-Group managed object 107 * 108 * @willing: willing bit in the PG tlv 109 * @error: error bit in the PG tlv 110 * @pg_en: enable bit of the PG feature 111 * @tcs_supported: number of traffic classes supported 112 * @pg_bw: bandwidth percentage for each priority group 113 * @prio_pg: priority to PG mapping indexed by priority 114 */ 115 struct cee_pg { 116 __u8 willing; 117 __u8 error; 118 __u8 pg_en; 119 __u8 tcs_supported; 120 __u8 pg_bw[CEE_DCBX_MAX_PGS]; 121 __u8 prio_pg[CEE_DCBX_MAX_PGS]; 122 }; 123 124 /** 125 * struct cee_pfc - CEE PFC managed object 126 * 127 * @willing: willing bit in the PFC tlv 128 * @error: error bit in the PFC tlv 129 * @pfc_en: bitmap indicating pfc enabled traffic classes 130 * @tcs_supported: number of traffic classes supported 131 */ 132 struct cee_pfc { 133 __u8 willing; 134 __u8 error; 135 __u8 pfc_en; 136 __u8 tcs_supported; 137 }; 138 139 /* IEEE 802.1Qaz std supported values */ 140 #define IEEE_8021QAZ_APP_SEL_ETHERTYPE 1 141 #define IEEE_8021QAZ_APP_SEL_STREAM 2 142 #define IEEE_8021QAZ_APP_SEL_DGRAM 3 143 #define IEEE_8021QAZ_APP_SEL_ANY 4 144 145 /* This structure contains the IEEE 802.1Qaz APP managed object. This 146 * object is also used for the CEE std as well. There is no difference 147 * between the objects. 148 * 149 * @selector: protocol identifier type 150 * @protocol: protocol of type indicated 151 * @priority: 3-bit unsigned integer indicating priority 152 * 153 * ---- 154 * Selector field values 155 * 0 Reserved 156 * 1 Ethertype 157 * 2 Well known port number over TCP or SCTP 158 * 3 Well known port number over UDP or DCCP 159 * 4 Well known port number over TCP, SCTP, UDP, or DCCP 160 * 5-7 Reserved 161 */ 162 struct dcb_app { 163 __u8 selector; 164 __u8 priority; 165 __u16 protocol; 166 }; 167 168 /** 169 * struct dcb_peer_app_info - APP feature information sent by the peer 170 * 171 * @willing: willing bit in the peer APP tlv 172 * @error: error bit in the peer APP tlv 173 * 174 * In addition to this information the full peer APP tlv also contains 175 * a table of 'app_count' APP objects defined above. 176 */ 177 struct dcb_peer_app_info { 178 __u8 willing; 179 __u8 error; 180 }; 181 182 struct dcbmsg { 183 __u8 dcb_family; 184 __u8 cmd; 185 __u16 dcb_pad; 186 }; 187 188 /** 189 * enum dcbnl_commands - supported DCB commands 190 * 191 * @DCB_CMD_UNDEFINED: unspecified command to catch errors 192 * @DCB_CMD_GSTATE: request the state of DCB in the device 193 * @DCB_CMD_SSTATE: set the state of DCB in the device 194 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx 195 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx 196 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx 197 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx 198 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration 199 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration 200 * @DCB_CMD_SET_ALL: apply all changes to the underlying device 201 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying 202 * device. Only useful when using bonding. 203 * @DCB_CMD_GCAP: request the DCB capabilities of the device 204 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported 205 * @DCB_CMD_SNUMTCS: set the number of traffic classes 206 * @DCB_CMD_GBCN: set backward congestion notification configuration 207 * @DCB_CMD_SBCN: get backward congestion notification configration. 208 * @DCB_CMD_GAPP: get application protocol configuration 209 * @DCB_CMD_SAPP: set application protocol configuration 210 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration 211 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration 212 * @DCB_CMD_GDCBX: get DCBX engine configuration 213 * @DCB_CMD_SDCBX: set DCBX engine configuration 214 * @DCB_CMD_GFEATCFG: get DCBX features flags 215 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags 216 * @DCB_CMD_CEE_GET: get CEE aggregated configuration 217 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration 218 */ 219 enum dcbnl_commands { 220 DCB_CMD_UNDEFINED, 221 222 DCB_CMD_GSTATE, 223 DCB_CMD_SSTATE, 224 225 DCB_CMD_PGTX_GCFG, 226 DCB_CMD_PGTX_SCFG, 227 DCB_CMD_PGRX_GCFG, 228 DCB_CMD_PGRX_SCFG, 229 230 DCB_CMD_PFC_GCFG, 231 DCB_CMD_PFC_SCFG, 232 233 DCB_CMD_SET_ALL, 234 235 DCB_CMD_GPERM_HWADDR, 236 237 DCB_CMD_GCAP, 238 239 DCB_CMD_GNUMTCS, 240 DCB_CMD_SNUMTCS, 241 242 DCB_CMD_PFC_GSTATE, 243 DCB_CMD_PFC_SSTATE, 244 245 DCB_CMD_BCN_GCFG, 246 DCB_CMD_BCN_SCFG, 247 248 DCB_CMD_GAPP, 249 DCB_CMD_SAPP, 250 251 DCB_CMD_IEEE_SET, 252 DCB_CMD_IEEE_GET, 253 254 DCB_CMD_GDCBX, 255 DCB_CMD_SDCBX, 256 257 DCB_CMD_GFEATCFG, 258 DCB_CMD_SFEATCFG, 259 260 DCB_CMD_CEE_GET, 261 DCB_CMD_IEEE_DEL, 262 263 __DCB_CMD_ENUM_MAX, 264 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, 265 }; 266 267 /** 268 * enum dcbnl_attrs - DCB top-level netlink attributes 269 * 270 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors 271 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) 272 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) 273 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) 274 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) 275 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) 276 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) 277 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) 278 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) 279 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) 280 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) 281 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) 282 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) 283 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) 284 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) 285 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) 286 */ 287 enum dcbnl_attrs { 288 DCB_ATTR_UNDEFINED, 289 290 DCB_ATTR_IFNAME, 291 DCB_ATTR_STATE, 292 DCB_ATTR_PFC_STATE, 293 DCB_ATTR_PFC_CFG, 294 DCB_ATTR_NUM_TC, 295 DCB_ATTR_PG_CFG, 296 DCB_ATTR_SET_ALL, 297 DCB_ATTR_PERM_HWADDR, 298 DCB_ATTR_CAP, 299 DCB_ATTR_NUMTCS, 300 DCB_ATTR_BCN, 301 DCB_ATTR_APP, 302 303 /* IEEE std attributes */ 304 DCB_ATTR_IEEE, 305 306 DCB_ATTR_DCBX, 307 DCB_ATTR_FEATCFG, 308 309 /* CEE nested attributes */ 310 DCB_ATTR_CEE, 311 312 __DCB_ATTR_ENUM_MAX, 313 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, 314 }; 315 316 /** 317 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes 318 * 319 * @DCB_ATTR_IEEE_UNSPEC: unspecified 320 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration 321 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration 322 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration 323 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only 324 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only 325 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only 326 */ 327 enum ieee_attrs { 328 DCB_ATTR_IEEE_UNSPEC, 329 DCB_ATTR_IEEE_ETS, 330 DCB_ATTR_IEEE_PFC, 331 DCB_ATTR_IEEE_APP_TABLE, 332 DCB_ATTR_IEEE_PEER_ETS, 333 DCB_ATTR_IEEE_PEER_PFC, 334 DCB_ATTR_IEEE_PEER_APP, 335 DCB_ATTR_IEEE_MAXRATE, 336 __DCB_ATTR_IEEE_MAX 337 }; 338 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) 339 340 enum ieee_attrs_app { 341 DCB_ATTR_IEEE_APP_UNSPEC, 342 DCB_ATTR_IEEE_APP, 343 __DCB_ATTR_IEEE_APP_MAX 344 }; 345 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) 346 347 /** 348 * enum cee_attrs - CEE DCBX get attributes. 349 * 350 * @DCB_ATTR_CEE_UNSPEC: unspecified 351 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only 352 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only 353 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only 354 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG) 355 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG) 356 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG) 357 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP) 358 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG) 359 * 360 * An aggregated collection of the cee std negotiated parameters. 361 */ 362 enum cee_attrs { 363 DCB_ATTR_CEE_UNSPEC, 364 DCB_ATTR_CEE_PEER_PG, 365 DCB_ATTR_CEE_PEER_PFC, 366 DCB_ATTR_CEE_PEER_APP_TABLE, 367 DCB_ATTR_CEE_TX_PG, 368 DCB_ATTR_CEE_RX_PG, 369 DCB_ATTR_CEE_PFC, 370 DCB_ATTR_CEE_APP_TABLE, 371 DCB_ATTR_CEE_FEAT, 372 __DCB_ATTR_CEE_MAX 373 }; 374 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) 375 376 enum peer_app_attr { 377 DCB_ATTR_CEE_PEER_APP_UNSPEC, 378 DCB_ATTR_CEE_PEER_APP_INFO, 379 DCB_ATTR_CEE_PEER_APP, 380 __DCB_ATTR_CEE_PEER_APP_MAX 381 }; 382 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) 383 384 enum cee_attrs_app { 385 DCB_ATTR_CEE_APP_UNSPEC, 386 DCB_ATTR_CEE_APP, 387 __DCB_ATTR_CEE_APP_MAX 388 }; 389 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1) 390 391 /** 392 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs 393 * 394 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors 395 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) 396 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) 397 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) 398 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) 399 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) 400 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) 401 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) 402 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) 403 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined 404 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) 405 * 406 */ 407 enum dcbnl_pfc_up_attrs { 408 DCB_PFC_UP_ATTR_UNDEFINED, 409 410 DCB_PFC_UP_ATTR_0, 411 DCB_PFC_UP_ATTR_1, 412 DCB_PFC_UP_ATTR_2, 413 DCB_PFC_UP_ATTR_3, 414 DCB_PFC_UP_ATTR_4, 415 DCB_PFC_UP_ATTR_5, 416 DCB_PFC_UP_ATTR_6, 417 DCB_PFC_UP_ATTR_7, 418 DCB_PFC_UP_ATTR_ALL, 419 420 __DCB_PFC_UP_ATTR_ENUM_MAX, 421 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, 422 }; 423 424 /** 425 * enum dcbnl_pg_attrs - DCB Priority Group attributes 426 * 427 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors 428 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) 429 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) 430 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) 431 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) 432 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) 433 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) 434 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) 435 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) 436 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined 437 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) 438 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) 439 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) 440 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) 441 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) 442 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) 443 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) 444 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) 445 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) 446 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined 447 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) 448 * 449 */ 450 enum dcbnl_pg_attrs { 451 DCB_PG_ATTR_UNDEFINED, 452 453 DCB_PG_ATTR_TC_0, 454 DCB_PG_ATTR_TC_1, 455 DCB_PG_ATTR_TC_2, 456 DCB_PG_ATTR_TC_3, 457 DCB_PG_ATTR_TC_4, 458 DCB_PG_ATTR_TC_5, 459 DCB_PG_ATTR_TC_6, 460 DCB_PG_ATTR_TC_7, 461 DCB_PG_ATTR_TC_MAX, 462 DCB_PG_ATTR_TC_ALL, 463 464 DCB_PG_ATTR_BW_ID_0, 465 DCB_PG_ATTR_BW_ID_1, 466 DCB_PG_ATTR_BW_ID_2, 467 DCB_PG_ATTR_BW_ID_3, 468 DCB_PG_ATTR_BW_ID_4, 469 DCB_PG_ATTR_BW_ID_5, 470 DCB_PG_ATTR_BW_ID_6, 471 DCB_PG_ATTR_BW_ID_7, 472 DCB_PG_ATTR_BW_ID_MAX, 473 DCB_PG_ATTR_BW_ID_ALL, 474 475 __DCB_PG_ATTR_ENUM_MAX, 476 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, 477 }; 478 479 /** 480 * enum dcbnl_tc_attrs - DCB Traffic Class attributes 481 * 482 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors 483 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to 484 * Valid values are: 0-7 485 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map 486 * Some devices may not support changing the 487 * user priority map of a TC. 488 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting 489 * 0 - none 490 * 1 - group strict 491 * 2 - link strict 492 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and 493 * not configured to use link strict priority, 494 * this is the percentage of bandwidth of the 495 * priority group this traffic class belongs to 496 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters 497 * 498 */ 499 enum dcbnl_tc_attrs { 500 DCB_TC_ATTR_PARAM_UNDEFINED, 501 502 DCB_TC_ATTR_PARAM_PGID, 503 DCB_TC_ATTR_PARAM_UP_MAPPING, 504 DCB_TC_ATTR_PARAM_STRICT_PRIO, 505 DCB_TC_ATTR_PARAM_BW_PCT, 506 DCB_TC_ATTR_PARAM_ALL, 507 508 __DCB_TC_ATTR_PARAM_ENUM_MAX, 509 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, 510 }; 511 512 /** 513 * enum dcbnl_cap_attrs - DCB Capability attributes 514 * 515 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors 516 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters 517 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups 518 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control 519 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to 520 * traffic class mapping 521 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a 522 * number of traffic classes the device 523 * can be configured to use for Priority Groups 524 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a 525 * number of traffic classes the device can be 526 * configured to use for Priority Flow Control 527 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority 528 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion 529 * Notification 530 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine 531 * 532 */ 533 enum dcbnl_cap_attrs { 534 DCB_CAP_ATTR_UNDEFINED, 535 DCB_CAP_ATTR_ALL, 536 DCB_CAP_ATTR_PG, 537 DCB_CAP_ATTR_PFC, 538 DCB_CAP_ATTR_UP2TC, 539 DCB_CAP_ATTR_PG_TCS, 540 DCB_CAP_ATTR_PFC_TCS, 541 DCB_CAP_ATTR_GSP, 542 DCB_CAP_ATTR_BCN, 543 DCB_CAP_ATTR_DCBX, 544 545 __DCB_CAP_ATTR_ENUM_MAX, 546 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, 547 }; 548 549 /** 550 * DCBX capability flags 551 * 552 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. 553 * 'set' routines are used to configure the device with 554 * the negotiated parameters 555 * 556 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but 557 * by another entity 558 * 'get' routines are used to retrieve the 559 * negotiated parameters 560 * 'set' routines can be used to set the initial 561 * negotiation configuration 562 * 563 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine 564 * supports the CEE protocol flavor 565 * 566 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine 567 * supports the IEEE protocol flavor 568 * 569 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine 570 * supports static configuration (i.e no actual 571 * negotiation is performed negotiated parameters equal 572 * the initial configuration) 573 * 574 */ 575 #define DCB_CAP_DCBX_HOST 0x01 576 #define DCB_CAP_DCBX_LLD_MANAGED 0x02 577 #define DCB_CAP_DCBX_VER_CEE 0x04 578 #define DCB_CAP_DCBX_VER_IEEE 0x08 579 #define DCB_CAP_DCBX_STATIC 0x10 580 581 /** 582 * enum dcbnl_numtcs_attrs - number of traffic classes 583 * 584 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors 585 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes 586 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for 587 * priority groups 588 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can 589 * support priority flow control 590 */ 591 enum dcbnl_numtcs_attrs { 592 DCB_NUMTCS_ATTR_UNDEFINED, 593 DCB_NUMTCS_ATTR_ALL, 594 DCB_NUMTCS_ATTR_PG, 595 DCB_NUMTCS_ATTR_PFC, 596 597 __DCB_NUMTCS_ATTR_ENUM_MAX, 598 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, 599 }; 600 601 enum dcbnl_bcn_attrs{ 602 DCB_BCN_ATTR_UNDEFINED = 0, 603 604 DCB_BCN_ATTR_RP_0, 605 DCB_BCN_ATTR_RP_1, 606 DCB_BCN_ATTR_RP_2, 607 DCB_BCN_ATTR_RP_3, 608 DCB_BCN_ATTR_RP_4, 609 DCB_BCN_ATTR_RP_5, 610 DCB_BCN_ATTR_RP_6, 611 DCB_BCN_ATTR_RP_7, 612 DCB_BCN_ATTR_RP_ALL, 613 614 DCB_BCN_ATTR_BCNA_0, 615 DCB_BCN_ATTR_BCNA_1, 616 DCB_BCN_ATTR_ALPHA, 617 DCB_BCN_ATTR_BETA, 618 DCB_BCN_ATTR_GD, 619 DCB_BCN_ATTR_GI, 620 DCB_BCN_ATTR_TMAX, 621 DCB_BCN_ATTR_TD, 622 DCB_BCN_ATTR_RMIN, 623 DCB_BCN_ATTR_W, 624 DCB_BCN_ATTR_RD, 625 DCB_BCN_ATTR_RU, 626 DCB_BCN_ATTR_WRTT, 627 DCB_BCN_ATTR_RI, 628 DCB_BCN_ATTR_C, 629 DCB_BCN_ATTR_ALL, 630 631 __DCB_BCN_ATTR_ENUM_MAX, 632 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, 633 }; 634 635 /** 636 * enum dcb_general_attr_values - general DCB attribute values 637 * 638 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported 639 * 640 */ 641 enum dcb_general_attr_values { 642 DCB_ATTR_VALUE_UNDEFINED = 0xff 643 }; 644 645 #define DCB_APP_IDTYPE_ETHTYPE 0x00 646 #define DCB_APP_IDTYPE_PORTNUM 0x01 647 enum dcbnl_app_attrs { 648 DCB_APP_ATTR_UNDEFINED, 649 650 DCB_APP_ATTR_IDTYPE, 651 DCB_APP_ATTR_ID, 652 DCB_APP_ATTR_PRIORITY, 653 654 __DCB_APP_ATTR_ENUM_MAX, 655 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, 656 }; 657 658 /** 659 * enum dcbnl_featcfg_attrs - features conifiguration flags 660 * 661 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors 662 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes 663 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups 664 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority 665 * flow control 666 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV 667 * 668 */ 669 #define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ 670 #define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ 671 #define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ 672 #define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ 673 enum dcbnl_featcfg_attrs { 674 DCB_FEATCFG_ATTR_UNDEFINED, 675 DCB_FEATCFG_ATTR_ALL, 676 DCB_FEATCFG_ATTR_PG, 677 DCB_FEATCFG_ATTR_PFC, 678 DCB_FEATCFG_ATTR_APP, 679 680 __DCB_FEATCFG_ATTR_ENUM_MAX, 681 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, 682 }; 683 684 #endif /* __LINUX_DCBNL_H__ */ 685