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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * Copyright (c) 2008-2011, Intel Corporation.4 *5 * This program is free software; you can redistribute it and/or modify it6 * under the terms and conditions of the GNU General Public License,7 * version 2, as published by the Free Software Foundation.8 *9 * This program is distributed in the hope it will be useful, but WITHOUT10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for12 * more details.13 *14 * You should have received a copy of the GNU General Public License along with15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple16 * Place - Suite 330, Boston, MA 02111-1307 USA.17 *18 * Author: Lucy Liu <lucy.liu@intel.com>19 */20 21#ifndef __LINUX_DCBNL_H__22#define __LINUX_DCBNL_H__23 24#include <linux/types.h>25 26/* IEEE 802.1Qaz std supported values */27#define IEEE_8021QAZ_MAX_TCS 828 29#define IEEE_8021QAZ_TSA_STRICT 030#define IEEE_8021QAZ_TSA_CB_SHAPER 131#define IEEE_8021QAZ_TSA_ETS 232#define IEEE_8021QAZ_TSA_VENDOR 25533 34/* This structure contains the IEEE 802.1Qaz ETS managed object35 *36 * @willing: willing bit in ETS configuration TLV37 * @ets_cap: indicates supported capacity of ets feature38 * @cbs: credit based shaper ets algorithm supported39 * @tc_tx_bw: tc tx bandwidth indexed by traffic class40 * @tc_rx_bw: tc rx bandwidth indexed by traffic class41 * @tc_tsa: TSA Assignment table, indexed by traffic class42 * @prio_tc: priority assignment table mapping 8021Qp to traffic class43 * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV44 * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV45 * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV46 *47 * Recommended values are used to set fields in the ETS recommendation TLV48 * with hardware offloaded LLDP.49 *50 * ----51 * TSA Assignment 8 bit identifiers52 * 0 strict priority53 * 1 credit-based shaper54 * 2 enhanced transmission selection55 * 3-254 reserved56 * 255 vendor specific57 */58struct ieee_ets {59 __u8 willing;60 __u8 ets_cap;61 __u8 cbs;62 __u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS];63 __u8 tc_rx_bw[IEEE_8021QAZ_MAX_TCS];64 __u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];65 __u8 prio_tc[IEEE_8021QAZ_MAX_TCS];66 __u8 tc_reco_bw[IEEE_8021QAZ_MAX_TCS];67 __u8 tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];68 __u8 reco_prio_tc[IEEE_8021QAZ_MAX_TCS];69};70 71/* This structure contains rate limit extension to the IEEE 802.1Qaz ETS72 * managed object.73 * Values are 64 bits long and specified in Kbps to enable usage over both74 * slow and very fast networks.75 *76 * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class77 */78struct ieee_maxrate {79 __u64 tc_maxrate[IEEE_8021QAZ_MAX_TCS];80};81 82enum dcbnl_cndd_states {83 DCB_CNDD_RESET = 0,84 DCB_CNDD_EDGE,85 DCB_CNDD_INTERIOR,86 DCB_CNDD_INTERIOR_READY,87};88 89/* This structure contains the IEEE 802.1Qau QCN managed object.90 *91 *@rpg_enable: enable QCN RP92 *@rppp_max_rps: maximum number of RPs allowed for this CNPV on this port93 *@rpg_time_reset: time between rate increases if no CNMs received.94 * given in u-seconds95 *@rpg_byte_reset: transmitted data between rate increases if no CNMs received.96 * given in Bytes97 *@rpg_threshold: The number of times rpByteStage or rpTimeStage can count98 * before RP rate control state machine advances states99 *@rpg_max_rate: the maxinun rate, in Mbits per second,100 * at which an RP can transmit101 *@rpg_ai_rate: The rate, in Mbits per second,102 * used to increase rpTargetRate in the RPR_ACTIVE_INCREASE103 *@rpg_hai_rate: The rate, in Mbits per second,104 * used to increase rpTargetRate in the RPR_HYPER_INCREASE state105 *@rpg_gd: Upon CNM receive, flow rate is limited to (Fb/Gd)*CurrentRate.106 * rpgGd is given as log2(Gd), where Gd may only be powers of 2107 *@rpg_min_dec_fac: The minimum factor by which the current transmit rate108 * can be changed by reception of a CNM.109 * value is given as percentage (1-100)110 *@rpg_min_rate: The minimum value, in bits per second, for rate to limit111 *@cndd_state_machine: The state of the congestion notification domain112 * defense state machine, as defined by IEEE 802.3Qau113 * section 32.1.1. In the interior ready state,114 * the QCN capable hardware may add CN-TAG TLV to the115 * outgoing traffic, to specifically identify outgoing116 * flows.117 */118 119struct ieee_qcn {120 __u8 rpg_enable[IEEE_8021QAZ_MAX_TCS];121 __u32 rppp_max_rps[IEEE_8021QAZ_MAX_TCS];122 __u32 rpg_time_reset[IEEE_8021QAZ_MAX_TCS];123 __u32 rpg_byte_reset[IEEE_8021QAZ_MAX_TCS];124 __u32 rpg_threshold[IEEE_8021QAZ_MAX_TCS];125 __u32 rpg_max_rate[IEEE_8021QAZ_MAX_TCS];126 __u32 rpg_ai_rate[IEEE_8021QAZ_MAX_TCS];127 __u32 rpg_hai_rate[IEEE_8021QAZ_MAX_TCS];128 __u32 rpg_gd[IEEE_8021QAZ_MAX_TCS];129 __u32 rpg_min_dec_fac[IEEE_8021QAZ_MAX_TCS];130 __u32 rpg_min_rate[IEEE_8021QAZ_MAX_TCS];131 __u32 cndd_state_machine[IEEE_8021QAZ_MAX_TCS];132};133 134/* This structure contains the IEEE 802.1Qau QCN statistics.135 *136 *@rppp_rp_centiseconds: the number of RP-centiseconds accumulated137 * by RPs at this priority level on this Port138 *@rppp_created_rps: number of active RPs(flows) that react to CNMs139 */140 141struct ieee_qcn_stats {142 __u64 rppp_rp_centiseconds[IEEE_8021QAZ_MAX_TCS];143 __u32 rppp_created_rps[IEEE_8021QAZ_MAX_TCS];144};145 146/* This structure contains the IEEE 802.1Qaz PFC managed object147 *148 * @pfc_cap: Indicates the number of traffic classes on the local device149 * that may simultaneously have PFC enabled.150 * @pfc_en: bitmap indicating pfc enabled traffic classes151 * @mbc: enable macsec bypass capability152 * @delay: the allowance made for a round-trip propagation delay of the153 * link in bits.154 * @requests: count of the sent pfc frames155 * @indications: count of the received pfc frames156 */157struct ieee_pfc {158 __u8 pfc_cap;159 __u8 pfc_en;160 __u8 mbc;161 __u16 delay;162 __u64 requests[IEEE_8021QAZ_MAX_TCS];163 __u64 indications[IEEE_8021QAZ_MAX_TCS];164};165 166#define IEEE_8021Q_MAX_PRIORITIES 8167#define DCBX_MAX_BUFFERS 8168struct dcbnl_buffer {169 /* priority to buffer mapping */170 __u8 prio2buffer[IEEE_8021Q_MAX_PRIORITIES];171 /* buffer size in Bytes */172 __u32 buffer_size[DCBX_MAX_BUFFERS];173 __u32 total_size;174};175 176/* CEE DCBX std supported values */177#define CEE_DCBX_MAX_PGS 8178#define CEE_DCBX_MAX_PRIO 8179 180/**181 * struct cee_pg - CEE Priority-Group managed object182 *183 * @willing: willing bit in the PG tlv184 * @error: error bit in the PG tlv185 * @pg_en: enable bit of the PG feature186 * @tcs_supported: number of traffic classes supported187 * @pg_bw: bandwidth percentage for each priority group188 * @prio_pg: priority to PG mapping indexed by priority189 */190struct cee_pg {191 __u8 willing;192 __u8 error;193 __u8 pg_en;194 __u8 tcs_supported;195 __u8 pg_bw[CEE_DCBX_MAX_PGS];196 __u8 prio_pg[CEE_DCBX_MAX_PGS];197};198 199/**200 * struct cee_pfc - CEE PFC managed object201 *202 * @willing: willing bit in the PFC tlv203 * @error: error bit in the PFC tlv204 * @pfc_en: bitmap indicating pfc enabled traffic classes205 * @tcs_supported: number of traffic classes supported206 */207struct cee_pfc {208 __u8 willing;209 __u8 error;210 __u8 pfc_en;211 __u8 tcs_supported;212};213 214/* IEEE 802.1Qaz std supported values */215#define IEEE_8021QAZ_APP_SEL_ETHERTYPE 1216#define IEEE_8021QAZ_APP_SEL_STREAM 2217#define IEEE_8021QAZ_APP_SEL_DGRAM 3218#define IEEE_8021QAZ_APP_SEL_ANY 4219#define IEEE_8021QAZ_APP_SEL_DSCP 5220 221/* Non-std selector values */222#define DCB_APP_SEL_PCP 255223 224/* This structure contains the IEEE 802.1Qaz APP managed object. This225 * object is also used for the CEE std as well.226 *227 * @selector: protocol identifier type228 * @protocol: protocol of type indicated229 * @priority: 3-bit unsigned integer indicating priority for IEEE230 * 8-bit 802.1p user priority bitmap for CEE231 *232 * ----233 * Selector field values for IEEE 802.1Qaz234 * 0 Reserved235 * 1 Ethertype236 * 2 Well known port number over TCP or SCTP237 * 3 Well known port number over UDP or DCCP238 * 4 Well known port number over TCP, SCTP, UDP, or DCCP239 * 5 Differentiated Services Code Point (DSCP) value240 * 6-7 Reserved241 *242 * Selector field values for CEE243 * 0 Ethertype244 * 1 Well known port number over TCP or UDP245 * 2-3 Reserved246 */247struct dcb_app {248 __u8 selector;249 __u8 priority;250 __u16 protocol;251};252 253#define IEEE_8021QAZ_APP_SEL_MAX 255254 255/**256 * struct dcb_peer_app_info - APP feature information sent by the peer257 *258 * @willing: willing bit in the peer APP tlv259 * @error: error bit in the peer APP tlv260 *261 * In addition to this information the full peer APP tlv also contains262 * a table of 'app_count' APP objects defined above.263 */264struct dcb_peer_app_info {265 __u8 willing;266 __u8 error;267};268 269struct dcbmsg {270 __u8 dcb_family;271 __u8 cmd;272 __u16 dcb_pad;273};274 275/**276 * enum dcbnl_commands - supported DCB commands277 *278 * @DCB_CMD_UNDEFINED: unspecified command to catch errors279 * @DCB_CMD_GSTATE: request the state of DCB in the device280 * @DCB_CMD_SSTATE: set the state of DCB in the device281 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx282 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx283 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx284 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx285 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration286 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration287 * @DCB_CMD_SET_ALL: apply all changes to the underlying device288 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying289 * device. Only useful when using bonding.290 * @DCB_CMD_GCAP: request the DCB capabilities of the device291 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported292 * @DCB_CMD_SNUMTCS: set the number of traffic classes293 * @DCB_CMD_GBCN: set backward congestion notification configuration294 * @DCB_CMD_SBCN: get backward congestion notification configuration.295 * @DCB_CMD_GAPP: get application protocol configuration296 * @DCB_CMD_SAPP: set application protocol configuration297 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration298 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration299 * @DCB_CMD_GDCBX: get DCBX engine configuration300 * @DCB_CMD_SDCBX: set DCBX engine configuration301 * @DCB_CMD_GFEATCFG: get DCBX features flags302 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags303 * @DCB_CMD_CEE_GET: get CEE aggregated configuration304 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration305 */306enum dcbnl_commands {307 DCB_CMD_UNDEFINED,308 309 DCB_CMD_GSTATE,310 DCB_CMD_SSTATE,311 312 DCB_CMD_PGTX_GCFG,313 DCB_CMD_PGTX_SCFG,314 DCB_CMD_PGRX_GCFG,315 DCB_CMD_PGRX_SCFG,316 317 DCB_CMD_PFC_GCFG,318 DCB_CMD_PFC_SCFG,319 320 DCB_CMD_SET_ALL,321 322 DCB_CMD_GPERM_HWADDR,323 324 DCB_CMD_GCAP,325 326 DCB_CMD_GNUMTCS,327 DCB_CMD_SNUMTCS,328 329 DCB_CMD_PFC_GSTATE,330 DCB_CMD_PFC_SSTATE,331 332 DCB_CMD_BCN_GCFG,333 DCB_CMD_BCN_SCFG,334 335 DCB_CMD_GAPP,336 DCB_CMD_SAPP,337 338 DCB_CMD_IEEE_SET,339 DCB_CMD_IEEE_GET,340 341 DCB_CMD_GDCBX,342 DCB_CMD_SDCBX,343 344 DCB_CMD_GFEATCFG,345 DCB_CMD_SFEATCFG,346 347 DCB_CMD_CEE_GET,348 DCB_CMD_IEEE_DEL,349 350 __DCB_CMD_ENUM_MAX,351 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,352};353 354/**355 * enum dcbnl_attrs - DCB top-level netlink attributes356 *357 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors358 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)359 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)360 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)361 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)362 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)363 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)364 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)365 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)366 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)367 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)368 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)369 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)370 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)371 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)372 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)373 */374enum dcbnl_attrs {375 DCB_ATTR_UNDEFINED,376 377 DCB_ATTR_IFNAME,378 DCB_ATTR_STATE,379 DCB_ATTR_PFC_STATE,380 DCB_ATTR_PFC_CFG,381 DCB_ATTR_NUM_TC,382 DCB_ATTR_PG_CFG,383 DCB_ATTR_SET_ALL,384 DCB_ATTR_PERM_HWADDR,385 DCB_ATTR_CAP,386 DCB_ATTR_NUMTCS,387 DCB_ATTR_BCN,388 DCB_ATTR_APP,389 390 /* IEEE std attributes */391 DCB_ATTR_IEEE,392 393 DCB_ATTR_DCBX,394 DCB_ATTR_FEATCFG,395 396 /* CEE nested attributes */397 DCB_ATTR_CEE,398 399 __DCB_ATTR_ENUM_MAX,400 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,401};402 403/**404 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes405 *406 * @DCB_ATTR_IEEE_UNSPEC: unspecified407 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration408 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration409 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration410 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only411 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only412 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only413 * @DCB_ATTR_DCB_APP_TRUST_TABLE: selector trust table414 * @DCB_ATTR_DCB_REWR_TABLE: rewrite configuration415 */416enum ieee_attrs {417 DCB_ATTR_IEEE_UNSPEC,418 DCB_ATTR_IEEE_ETS,419 DCB_ATTR_IEEE_PFC,420 DCB_ATTR_IEEE_APP_TABLE,421 DCB_ATTR_IEEE_PEER_ETS,422 DCB_ATTR_IEEE_PEER_PFC,423 DCB_ATTR_IEEE_PEER_APP,424 DCB_ATTR_IEEE_MAXRATE,425 DCB_ATTR_IEEE_QCN,426 DCB_ATTR_IEEE_QCN_STATS,427 DCB_ATTR_DCB_BUFFER,428 DCB_ATTR_DCB_APP_TRUST_TABLE,429 DCB_ATTR_DCB_REWR_TABLE,430 __DCB_ATTR_IEEE_MAX431};432#define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)433 434enum ieee_attrs_app {435 DCB_ATTR_IEEE_APP_UNSPEC,436 DCB_ATTR_IEEE_APP,437 DCB_ATTR_DCB_APP,438 __DCB_ATTR_IEEE_APP_MAX439};440#define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)441 442/**443 * enum cee_attrs - CEE DCBX get attributes.444 *445 * @DCB_ATTR_CEE_UNSPEC: unspecified446 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only447 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only448 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only449 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)450 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)451 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)452 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)453 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)454 *455 * An aggregated collection of the cee std negotiated parameters.456 */457enum cee_attrs {458 DCB_ATTR_CEE_UNSPEC,459 DCB_ATTR_CEE_PEER_PG,460 DCB_ATTR_CEE_PEER_PFC,461 DCB_ATTR_CEE_PEER_APP_TABLE,462 DCB_ATTR_CEE_TX_PG,463 DCB_ATTR_CEE_RX_PG,464 DCB_ATTR_CEE_PFC,465 DCB_ATTR_CEE_APP_TABLE,466 DCB_ATTR_CEE_FEAT,467 __DCB_ATTR_CEE_MAX468};469#define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)470 471enum peer_app_attr {472 DCB_ATTR_CEE_PEER_APP_UNSPEC,473 DCB_ATTR_CEE_PEER_APP_INFO,474 DCB_ATTR_CEE_PEER_APP,475 __DCB_ATTR_CEE_PEER_APP_MAX476};477#define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)478 479enum cee_attrs_app {480 DCB_ATTR_CEE_APP_UNSPEC,481 DCB_ATTR_CEE_APP,482 __DCB_ATTR_CEE_APP_MAX483};484#define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)485 486/**487 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs488 *489 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors490 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)491 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)492 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)493 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)494 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)495 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)496 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)497 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)498 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined499 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)500 *501 */502enum dcbnl_pfc_up_attrs {503 DCB_PFC_UP_ATTR_UNDEFINED,504 505 DCB_PFC_UP_ATTR_0,506 DCB_PFC_UP_ATTR_1,507 DCB_PFC_UP_ATTR_2,508 DCB_PFC_UP_ATTR_3,509 DCB_PFC_UP_ATTR_4,510 DCB_PFC_UP_ATTR_5,511 DCB_PFC_UP_ATTR_6,512 DCB_PFC_UP_ATTR_7,513 DCB_PFC_UP_ATTR_ALL,514 515 __DCB_PFC_UP_ATTR_ENUM_MAX,516 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,517};518 519/**520 * enum dcbnl_pg_attrs - DCB Priority Group attributes521 *522 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors523 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)524 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)525 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)526 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)527 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)528 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)529 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)530 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)531 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined532 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)533 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)534 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)535 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)536 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)537 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)538 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)539 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)540 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)541 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined542 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)543 *544 */545enum dcbnl_pg_attrs {546 DCB_PG_ATTR_UNDEFINED,547 548 DCB_PG_ATTR_TC_0,549 DCB_PG_ATTR_TC_1,550 DCB_PG_ATTR_TC_2,551 DCB_PG_ATTR_TC_3,552 DCB_PG_ATTR_TC_4,553 DCB_PG_ATTR_TC_5,554 DCB_PG_ATTR_TC_6,555 DCB_PG_ATTR_TC_7,556 DCB_PG_ATTR_TC_MAX,557 DCB_PG_ATTR_TC_ALL,558 559 DCB_PG_ATTR_BW_ID_0,560 DCB_PG_ATTR_BW_ID_1,561 DCB_PG_ATTR_BW_ID_2,562 DCB_PG_ATTR_BW_ID_3,563 DCB_PG_ATTR_BW_ID_4,564 DCB_PG_ATTR_BW_ID_5,565 DCB_PG_ATTR_BW_ID_6,566 DCB_PG_ATTR_BW_ID_7,567 DCB_PG_ATTR_BW_ID_MAX,568 DCB_PG_ATTR_BW_ID_ALL,569 570 __DCB_PG_ATTR_ENUM_MAX,571 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,572};573 574/**575 * enum dcbnl_tc_attrs - DCB Traffic Class attributes576 *577 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors578 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to579 * Valid values are: 0-7580 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map581 * Some devices may not support changing the582 * user priority map of a TC.583 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting584 * 0 - none585 * 1 - group strict586 * 2 - link strict587 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and588 * not configured to use link strict priority,589 * this is the percentage of bandwidth of the590 * priority group this traffic class belongs to591 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters592 *593 */594enum dcbnl_tc_attrs {595 DCB_TC_ATTR_PARAM_UNDEFINED,596 597 DCB_TC_ATTR_PARAM_PGID,598 DCB_TC_ATTR_PARAM_UP_MAPPING,599 DCB_TC_ATTR_PARAM_STRICT_PRIO,600 DCB_TC_ATTR_PARAM_BW_PCT,601 DCB_TC_ATTR_PARAM_ALL,602 603 __DCB_TC_ATTR_PARAM_ENUM_MAX,604 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,605};606 607/**608 * enum dcbnl_cap_attrs - DCB Capability attributes609 *610 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors611 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters612 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups613 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control614 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to615 * traffic class mapping616 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a617 * number of traffic classes the device618 * can be configured to use for Priority Groups619 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a620 * number of traffic classes the device can be621 * configured to use for Priority Flow Control622 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority623 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion624 * Notification625 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine626 *627 */628enum dcbnl_cap_attrs {629 DCB_CAP_ATTR_UNDEFINED,630 DCB_CAP_ATTR_ALL,631 DCB_CAP_ATTR_PG,632 DCB_CAP_ATTR_PFC,633 DCB_CAP_ATTR_UP2TC,634 DCB_CAP_ATTR_PG_TCS,635 DCB_CAP_ATTR_PFC_TCS,636 DCB_CAP_ATTR_GSP,637 DCB_CAP_ATTR_BCN,638 DCB_CAP_ATTR_DCBX,639 640 __DCB_CAP_ATTR_ENUM_MAX,641 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,642};643 644/**645 * DCBX capability flags646 *647 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.648 * 'set' routines are used to configure the device with649 * the negotiated parameters650 *651 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but652 * by another entity653 * 'get' routines are used to retrieve the654 * negotiated parameters655 * 'set' routines can be used to set the initial656 * negotiation configuration657 *658 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine659 * supports the CEE protocol flavor660 *661 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine662 * supports the IEEE protocol flavor663 *664 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine665 * supports static configuration (i.e no actual666 * negotiation is performed negotiated parameters equal667 * the initial configuration)668 *669 */670#define DCB_CAP_DCBX_HOST 0x01671#define DCB_CAP_DCBX_LLD_MANAGED 0x02672#define DCB_CAP_DCBX_VER_CEE 0x04673#define DCB_CAP_DCBX_VER_IEEE 0x08674#define DCB_CAP_DCBX_STATIC 0x10675 676/**677 * enum dcbnl_numtcs_attrs - number of traffic classes678 *679 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors680 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes681 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for682 * priority groups683 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can684 * support priority flow control685 */686enum dcbnl_numtcs_attrs {687 DCB_NUMTCS_ATTR_UNDEFINED,688 DCB_NUMTCS_ATTR_ALL,689 DCB_NUMTCS_ATTR_PG,690 DCB_NUMTCS_ATTR_PFC,691 692 __DCB_NUMTCS_ATTR_ENUM_MAX,693 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,694};695 696enum dcbnl_bcn_attrs{697 DCB_BCN_ATTR_UNDEFINED = 0,698 699 DCB_BCN_ATTR_RP_0,700 DCB_BCN_ATTR_RP_1,701 DCB_BCN_ATTR_RP_2,702 DCB_BCN_ATTR_RP_3,703 DCB_BCN_ATTR_RP_4,704 DCB_BCN_ATTR_RP_5,705 DCB_BCN_ATTR_RP_6,706 DCB_BCN_ATTR_RP_7,707 DCB_BCN_ATTR_RP_ALL,708 709 DCB_BCN_ATTR_BCNA_0,710 DCB_BCN_ATTR_BCNA_1,711 DCB_BCN_ATTR_ALPHA,712 DCB_BCN_ATTR_BETA,713 DCB_BCN_ATTR_GD,714 DCB_BCN_ATTR_GI,715 DCB_BCN_ATTR_TMAX,716 DCB_BCN_ATTR_TD,717 DCB_BCN_ATTR_RMIN,718 DCB_BCN_ATTR_W,719 DCB_BCN_ATTR_RD,720 DCB_BCN_ATTR_RU,721 DCB_BCN_ATTR_WRTT,722 DCB_BCN_ATTR_RI,723 DCB_BCN_ATTR_C,724 DCB_BCN_ATTR_ALL,725 726 __DCB_BCN_ATTR_ENUM_MAX,727 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,728};729 730/**731 * enum dcb_general_attr_values - general DCB attribute values732 *733 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported734 *735 */736enum dcb_general_attr_values {737 DCB_ATTR_VALUE_UNDEFINED = 0xff738};739 740#define DCB_APP_IDTYPE_ETHTYPE 0x00741#define DCB_APP_IDTYPE_PORTNUM 0x01742enum dcbnl_app_attrs {743 DCB_APP_ATTR_UNDEFINED,744 745 DCB_APP_ATTR_IDTYPE,746 DCB_APP_ATTR_ID,747 DCB_APP_ATTR_PRIORITY,748 749 __DCB_APP_ATTR_ENUM_MAX,750 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,751};752 753/**754 * enum dcbnl_featcfg_attrs - features conifiguration flags755 *756 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors757 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes758 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups759 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority760 * flow control761 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV762 *763 */764#define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */765#define DCB_FEATCFG_ENABLE 0x02 /* enable feature */766#define DCB_FEATCFG_WILLING 0x04 /* feature is willing */767#define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */768enum dcbnl_featcfg_attrs {769 DCB_FEATCFG_ATTR_UNDEFINED,770 DCB_FEATCFG_ATTR_ALL,771 DCB_FEATCFG_ATTR_PG,772 DCB_FEATCFG_ATTR_PFC,773 DCB_FEATCFG_ATTR_APP,774 775 __DCB_FEATCFG_ATTR_ENUM_MAX,776 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,777};778 779#endif /* __LINUX_DCBNL_H__ */780