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 /* 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 for IEEE 152 * 8-bit 802.1p user priority bitmap for CEE 153 * 154 * ---- 155 * Selector field values 156 * 0 Reserved 157 * 1 Ethertype 158 * 2 Well known port number over TCP or SCTP 159 * 3 Well known port number over UDP or DCCP 160 * 4 Well known port number over TCP, SCTP, UDP, or DCCP 161 * 5-7 Reserved 162 */ 163 struct dcb_app { 164 __u8 selector; 165 __u8 priority; 166 __u16 protocol; 167 }; 168 169 /** 170 * struct dcb_peer_app_info - APP feature information sent by the peer 171 * 172 * @willing: willing bit in the peer APP tlv 173 * @error: error bit in the peer APP tlv 174 * 175 * In addition to this information the full peer APP tlv also contains 176 * a table of 'app_count' APP objects defined above. 177 */ 178 struct dcb_peer_app_info { 179 __u8 willing; 180 __u8 error; 181 }; 182 183 struct dcbmsg { 184 __u8 dcb_family; 185 __u8 cmd; 186 __u16 dcb_pad; 187 }; 188 189 /** 190 * enum dcbnl_commands - supported DCB commands 191 * 192 * @DCB_CMD_UNDEFINED: unspecified command to catch errors 193 * @DCB_CMD_GSTATE: request the state of DCB in the device 194 * @DCB_CMD_SSTATE: set the state of DCB in the device 195 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx 196 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx 197 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx 198 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx 199 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration 200 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration 201 * @DCB_CMD_SET_ALL: apply all changes to the underlying device 202 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying 203 * device. Only useful when using bonding. 204 * @DCB_CMD_GCAP: request the DCB capabilities of the device 205 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported 206 * @DCB_CMD_SNUMTCS: set the number of traffic classes 207 * @DCB_CMD_GBCN: set backward congestion notification configuration 208 * @DCB_CMD_SBCN: get backward congestion notification configration. 209 * @DCB_CMD_GAPP: get application protocol configuration 210 * @DCB_CMD_SAPP: set application protocol configuration 211 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration 212 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration 213 * @DCB_CMD_GDCBX: get DCBX engine configuration 214 * @DCB_CMD_SDCBX: set DCBX engine configuration 215 * @DCB_CMD_GFEATCFG: get DCBX features flags 216 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags 217 * @DCB_CMD_CEE_GET: get CEE aggregated configuration 218 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration 219 */ 220 enum dcbnl_commands { 221 DCB_CMD_UNDEFINED, 222 223 DCB_CMD_GSTATE, 224 DCB_CMD_SSTATE, 225 226 DCB_CMD_PGTX_GCFG, 227 DCB_CMD_PGTX_SCFG, 228 DCB_CMD_PGRX_GCFG, 229 DCB_CMD_PGRX_SCFG, 230 231 DCB_CMD_PFC_GCFG, 232 DCB_CMD_PFC_SCFG, 233 234 DCB_CMD_SET_ALL, 235 236 DCB_CMD_GPERM_HWADDR, 237 238 DCB_CMD_GCAP, 239 240 DCB_CMD_GNUMTCS, 241 DCB_CMD_SNUMTCS, 242 243 DCB_CMD_PFC_GSTATE, 244 DCB_CMD_PFC_SSTATE, 245 246 DCB_CMD_BCN_GCFG, 247 DCB_CMD_BCN_SCFG, 248 249 DCB_CMD_GAPP, 250 DCB_CMD_SAPP, 251 252 DCB_CMD_IEEE_SET, 253 DCB_CMD_IEEE_GET, 254 255 DCB_CMD_GDCBX, 256 DCB_CMD_SDCBX, 257 258 DCB_CMD_GFEATCFG, 259 DCB_CMD_SFEATCFG, 260 261 DCB_CMD_CEE_GET, 262 DCB_CMD_IEEE_DEL, 263 264 __DCB_CMD_ENUM_MAX, 265 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, 266 }; 267 268 /** 269 * enum dcbnl_attrs - DCB top-level netlink attributes 270 * 271 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors 272 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) 273 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) 274 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) 275 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) 276 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) 277 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) 278 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) 279 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) 280 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) 281 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) 282 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) 283 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) 284 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) 285 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) 286 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) 287 */ 288 enum dcbnl_attrs { 289 DCB_ATTR_UNDEFINED, 290 291 DCB_ATTR_IFNAME, 292 DCB_ATTR_STATE, 293 DCB_ATTR_PFC_STATE, 294 DCB_ATTR_PFC_CFG, 295 DCB_ATTR_NUM_TC, 296 DCB_ATTR_PG_CFG, 297 DCB_ATTR_SET_ALL, 298 DCB_ATTR_PERM_HWADDR, 299 DCB_ATTR_CAP, 300 DCB_ATTR_NUMTCS, 301 DCB_ATTR_BCN, 302 DCB_ATTR_APP, 303 304 /* IEEE std attributes */ 305 DCB_ATTR_IEEE, 306 307 DCB_ATTR_DCBX, 308 DCB_ATTR_FEATCFG, 309 310 /* CEE nested attributes */ 311 DCB_ATTR_CEE, 312 313 __DCB_ATTR_ENUM_MAX, 314 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, 315 }; 316 317 /** 318 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes 319 * 320 * @DCB_ATTR_IEEE_UNSPEC: unspecified 321 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration 322 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration 323 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration 324 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only 325 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only 326 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only 327 */ 328 enum ieee_attrs { 329 DCB_ATTR_IEEE_UNSPEC, 330 DCB_ATTR_IEEE_ETS, 331 DCB_ATTR_IEEE_PFC, 332 DCB_ATTR_IEEE_APP_TABLE, 333 DCB_ATTR_IEEE_PEER_ETS, 334 DCB_ATTR_IEEE_PEER_PFC, 335 DCB_ATTR_IEEE_PEER_APP, 336 DCB_ATTR_IEEE_MAXRATE, 337 __DCB_ATTR_IEEE_MAX 338 }; 339 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) 340 341 enum ieee_attrs_app { 342 DCB_ATTR_IEEE_APP_UNSPEC, 343 DCB_ATTR_IEEE_APP, 344 __DCB_ATTR_IEEE_APP_MAX 345 }; 346 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) 347 348 /** 349 * enum cee_attrs - CEE DCBX get attributes. 350 * 351 * @DCB_ATTR_CEE_UNSPEC: unspecified 352 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only 353 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only 354 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only 355 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG) 356 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG) 357 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG) 358 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP) 359 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG) 360 * 361 * An aggregated collection of the cee std negotiated parameters. 362 */ 363 enum cee_attrs { 364 DCB_ATTR_CEE_UNSPEC, 365 DCB_ATTR_CEE_PEER_PG, 366 DCB_ATTR_CEE_PEER_PFC, 367 DCB_ATTR_CEE_PEER_APP_TABLE, 368 DCB_ATTR_CEE_TX_PG, 369 DCB_ATTR_CEE_RX_PG, 370 DCB_ATTR_CEE_PFC, 371 DCB_ATTR_CEE_APP_TABLE, 372 DCB_ATTR_CEE_FEAT, 373 __DCB_ATTR_CEE_MAX 374 }; 375 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) 376 377 enum peer_app_attr { 378 DCB_ATTR_CEE_PEER_APP_UNSPEC, 379 DCB_ATTR_CEE_PEER_APP_INFO, 380 DCB_ATTR_CEE_PEER_APP, 381 __DCB_ATTR_CEE_PEER_APP_MAX 382 }; 383 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) 384 385 enum cee_attrs_app { 386 DCB_ATTR_CEE_APP_UNSPEC, 387 DCB_ATTR_CEE_APP, 388 __DCB_ATTR_CEE_APP_MAX 389 }; 390 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1) 391 392 /** 393 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs 394 * 395 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors 396 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) 397 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) 398 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) 399 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) 400 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) 401 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) 402 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) 403 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) 404 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined 405 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) 406 * 407 */ 408 enum dcbnl_pfc_up_attrs { 409 DCB_PFC_UP_ATTR_UNDEFINED, 410 411 DCB_PFC_UP_ATTR_0, 412 DCB_PFC_UP_ATTR_1, 413 DCB_PFC_UP_ATTR_2, 414 DCB_PFC_UP_ATTR_3, 415 DCB_PFC_UP_ATTR_4, 416 DCB_PFC_UP_ATTR_5, 417 DCB_PFC_UP_ATTR_6, 418 DCB_PFC_UP_ATTR_7, 419 DCB_PFC_UP_ATTR_ALL, 420 421 __DCB_PFC_UP_ATTR_ENUM_MAX, 422 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, 423 }; 424 425 /** 426 * enum dcbnl_pg_attrs - DCB Priority Group attributes 427 * 428 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors 429 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) 430 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) 431 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) 432 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) 433 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) 434 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) 435 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) 436 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) 437 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined 438 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) 439 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) 440 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) 441 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) 442 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) 443 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) 444 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) 445 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) 446 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) 447 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined 448 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) 449 * 450 */ 451 enum dcbnl_pg_attrs { 452 DCB_PG_ATTR_UNDEFINED, 453 454 DCB_PG_ATTR_TC_0, 455 DCB_PG_ATTR_TC_1, 456 DCB_PG_ATTR_TC_2, 457 DCB_PG_ATTR_TC_3, 458 DCB_PG_ATTR_TC_4, 459 DCB_PG_ATTR_TC_5, 460 DCB_PG_ATTR_TC_6, 461 DCB_PG_ATTR_TC_7, 462 DCB_PG_ATTR_TC_MAX, 463 DCB_PG_ATTR_TC_ALL, 464 465 DCB_PG_ATTR_BW_ID_0, 466 DCB_PG_ATTR_BW_ID_1, 467 DCB_PG_ATTR_BW_ID_2, 468 DCB_PG_ATTR_BW_ID_3, 469 DCB_PG_ATTR_BW_ID_4, 470 DCB_PG_ATTR_BW_ID_5, 471 DCB_PG_ATTR_BW_ID_6, 472 DCB_PG_ATTR_BW_ID_7, 473 DCB_PG_ATTR_BW_ID_MAX, 474 DCB_PG_ATTR_BW_ID_ALL, 475 476 __DCB_PG_ATTR_ENUM_MAX, 477 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, 478 }; 479 480 /** 481 * enum dcbnl_tc_attrs - DCB Traffic Class attributes 482 * 483 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors 484 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to 485 * Valid values are: 0-7 486 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map 487 * Some devices may not support changing the 488 * user priority map of a TC. 489 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting 490 * 0 - none 491 * 1 - group strict 492 * 2 - link strict 493 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and 494 * not configured to use link strict priority, 495 * this is the percentage of bandwidth of the 496 * priority group this traffic class belongs to 497 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters 498 * 499 */ 500 enum dcbnl_tc_attrs { 501 DCB_TC_ATTR_PARAM_UNDEFINED, 502 503 DCB_TC_ATTR_PARAM_PGID, 504 DCB_TC_ATTR_PARAM_UP_MAPPING, 505 DCB_TC_ATTR_PARAM_STRICT_PRIO, 506 DCB_TC_ATTR_PARAM_BW_PCT, 507 DCB_TC_ATTR_PARAM_ALL, 508 509 __DCB_TC_ATTR_PARAM_ENUM_MAX, 510 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, 511 }; 512 513 /** 514 * enum dcbnl_cap_attrs - DCB Capability attributes 515 * 516 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors 517 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters 518 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups 519 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control 520 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to 521 * traffic class mapping 522 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a 523 * number of traffic classes the device 524 * can be configured to use for Priority Groups 525 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a 526 * number of traffic classes the device can be 527 * configured to use for Priority Flow Control 528 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority 529 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion 530 * Notification 531 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine 532 * 533 */ 534 enum dcbnl_cap_attrs { 535 DCB_CAP_ATTR_UNDEFINED, 536 DCB_CAP_ATTR_ALL, 537 DCB_CAP_ATTR_PG, 538 DCB_CAP_ATTR_PFC, 539 DCB_CAP_ATTR_UP2TC, 540 DCB_CAP_ATTR_PG_TCS, 541 DCB_CAP_ATTR_PFC_TCS, 542 DCB_CAP_ATTR_GSP, 543 DCB_CAP_ATTR_BCN, 544 DCB_CAP_ATTR_DCBX, 545 546 __DCB_CAP_ATTR_ENUM_MAX, 547 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, 548 }; 549 550 /** 551 * DCBX capability flags 552 * 553 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. 554 * 'set' routines are used to configure the device with 555 * the negotiated parameters 556 * 557 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but 558 * by another entity 559 * 'get' routines are used to retrieve the 560 * negotiated parameters 561 * 'set' routines can be used to set the initial 562 * negotiation configuration 563 * 564 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine 565 * supports the CEE protocol flavor 566 * 567 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine 568 * supports the IEEE protocol flavor 569 * 570 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine 571 * supports static configuration (i.e no actual 572 * negotiation is performed negotiated parameters equal 573 * the initial configuration) 574 * 575 */ 576 #define DCB_CAP_DCBX_HOST 0x01 577 #define DCB_CAP_DCBX_LLD_MANAGED 0x02 578 #define DCB_CAP_DCBX_VER_CEE 0x04 579 #define DCB_CAP_DCBX_VER_IEEE 0x08 580 #define DCB_CAP_DCBX_STATIC 0x10 581 582 /** 583 * enum dcbnl_numtcs_attrs - number of traffic classes 584 * 585 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors 586 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes 587 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for 588 * priority groups 589 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can 590 * support priority flow control 591 */ 592 enum dcbnl_numtcs_attrs { 593 DCB_NUMTCS_ATTR_UNDEFINED, 594 DCB_NUMTCS_ATTR_ALL, 595 DCB_NUMTCS_ATTR_PG, 596 DCB_NUMTCS_ATTR_PFC, 597 598 __DCB_NUMTCS_ATTR_ENUM_MAX, 599 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, 600 }; 601 602 enum dcbnl_bcn_attrs{ 603 DCB_BCN_ATTR_UNDEFINED = 0, 604 605 DCB_BCN_ATTR_RP_0, 606 DCB_BCN_ATTR_RP_1, 607 DCB_BCN_ATTR_RP_2, 608 DCB_BCN_ATTR_RP_3, 609 DCB_BCN_ATTR_RP_4, 610 DCB_BCN_ATTR_RP_5, 611 DCB_BCN_ATTR_RP_6, 612 DCB_BCN_ATTR_RP_7, 613 DCB_BCN_ATTR_RP_ALL, 614 615 DCB_BCN_ATTR_BCNA_0, 616 DCB_BCN_ATTR_BCNA_1, 617 DCB_BCN_ATTR_ALPHA, 618 DCB_BCN_ATTR_BETA, 619 DCB_BCN_ATTR_GD, 620 DCB_BCN_ATTR_GI, 621 DCB_BCN_ATTR_TMAX, 622 DCB_BCN_ATTR_TD, 623 DCB_BCN_ATTR_RMIN, 624 DCB_BCN_ATTR_W, 625 DCB_BCN_ATTR_RD, 626 DCB_BCN_ATTR_RU, 627 DCB_BCN_ATTR_WRTT, 628 DCB_BCN_ATTR_RI, 629 DCB_BCN_ATTR_C, 630 DCB_BCN_ATTR_ALL, 631 632 __DCB_BCN_ATTR_ENUM_MAX, 633 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, 634 }; 635 636 /** 637 * enum dcb_general_attr_values - general DCB attribute values 638 * 639 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported 640 * 641 */ 642 enum dcb_general_attr_values { 643 DCB_ATTR_VALUE_UNDEFINED = 0xff 644 }; 645 646 #define DCB_APP_IDTYPE_ETHTYPE 0x00 647 #define DCB_APP_IDTYPE_PORTNUM 0x01 648 enum dcbnl_app_attrs { 649 DCB_APP_ATTR_UNDEFINED, 650 651 DCB_APP_ATTR_IDTYPE, 652 DCB_APP_ATTR_ID, 653 DCB_APP_ATTR_PRIORITY, 654 655 __DCB_APP_ATTR_ENUM_MAX, 656 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, 657 }; 658 659 /** 660 * enum dcbnl_featcfg_attrs - features conifiguration flags 661 * 662 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors 663 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes 664 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups 665 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority 666 * flow control 667 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV 668 * 669 */ 670 #define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ 671 #define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ 672 #define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ 673 #define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ 674 enum dcbnl_featcfg_attrs { 675 DCB_FEATCFG_ATTR_UNDEFINED, 676 DCB_FEATCFG_ATTR_ALL, 677 DCB_FEATCFG_ATTR_PG, 678 DCB_FEATCFG_ATTR_PFC, 679 DCB_FEATCFG_ATTR_APP, 680 681 __DCB_FEATCFG_ATTR_ENUM_MAX, 682 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, 683 }; 684 685 #endif /* __LINUX_DCBNL_H__ */ 686