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0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 0002 /* 0003 * Copyright (c) 2008-2011, Intel Corporation. 0004 * 0005 * This program is free software; you can redistribute it and/or modify it 0006 * under the terms and conditions of the GNU General Public License, 0007 * version 2, as published by the Free Software Foundation. 0008 * 0009 * This program is distributed in the hope it will be useful, but WITHOUT 0010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0011 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 0012 * more details. 0013 * 0014 * You should have received a copy of the GNU General Public License along with 0015 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple 0016 * Place - Suite 330, Boston, MA 02111-1307 USA. 0017 * 0018 * Author: Lucy Liu <lucy.liu@intel.com> 0019 */ 0020 0021 #ifndef __LINUX_DCBNL_H__ 0022 #define __LINUX_DCBNL_H__ 0023 0024 #include <linux/types.h> 0025 0026 /* IEEE 802.1Qaz std supported values */ 0027 #define IEEE_8021QAZ_MAX_TCS 8 0028 0029 #define IEEE_8021QAZ_TSA_STRICT 0 0030 #define IEEE_8021QAZ_TSA_CB_SHAPER 1 0031 #define IEEE_8021QAZ_TSA_ETS 2 0032 #define IEEE_8021QAZ_TSA_VENDOR 255 0033 0034 /* This structure contains the IEEE 802.1Qaz ETS managed object 0035 * 0036 * @willing: willing bit in ETS configuration TLV 0037 * @ets_cap: indicates supported capacity of ets feature 0038 * @cbs: credit based shaper ets algorithm supported 0039 * @tc_tx_bw: tc tx bandwidth indexed by traffic class 0040 * @tc_rx_bw: tc rx bandwidth indexed by traffic class 0041 * @tc_tsa: TSA Assignment table, indexed by traffic class 0042 * @prio_tc: priority assignment table mapping 8021Qp to traffic class 0043 * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV 0044 * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV 0045 * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV 0046 * 0047 * Recommended values are used to set fields in the ETS recommendation TLV 0048 * with hardware offloaded LLDP. 0049 * 0050 * ---- 0051 * TSA Assignment 8 bit identifiers 0052 * 0 strict priority 0053 * 1 credit-based shaper 0054 * 2 enhanced transmission selection 0055 * 3-254 reserved 0056 * 255 vendor specific 0057 */ 0058 struct ieee_ets { 0059 __u8 willing; 0060 __u8 ets_cap; 0061 __u8 cbs; 0062 __u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS]; 0063 __u8 tc_rx_bw[IEEE_8021QAZ_MAX_TCS]; 0064 __u8 tc_tsa[IEEE_8021QAZ_MAX_TCS]; 0065 __u8 prio_tc[IEEE_8021QAZ_MAX_TCS]; 0066 __u8 tc_reco_bw[IEEE_8021QAZ_MAX_TCS]; 0067 __u8 tc_reco_tsa[IEEE_8021QAZ_MAX_TCS]; 0068 __u8 reco_prio_tc[IEEE_8021QAZ_MAX_TCS]; 0069 }; 0070 0071 /* This structure contains rate limit extension to the IEEE 802.1Qaz ETS 0072 * managed object. 0073 * Values are 64 bits long and specified in Kbps to enable usage over both 0074 * slow and very fast networks. 0075 * 0076 * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class 0077 */ 0078 struct ieee_maxrate { 0079 __u64 tc_maxrate[IEEE_8021QAZ_MAX_TCS]; 0080 }; 0081 0082 enum dcbnl_cndd_states { 0083 DCB_CNDD_RESET = 0, 0084 DCB_CNDD_EDGE, 0085 DCB_CNDD_INTERIOR, 0086 DCB_CNDD_INTERIOR_READY, 0087 }; 0088 0089 /* This structure contains the IEEE 802.1Qau QCN managed object. 0090 * 0091 *@rpg_enable: enable QCN RP 0092 *@rppp_max_rps: maximum number of RPs allowed for this CNPV on this port 0093 *@rpg_time_reset: time between rate increases if no CNMs received. 0094 * given in u-seconds 0095 *@rpg_byte_reset: transmitted data between rate increases if no CNMs received. 0096 * given in Bytes 0097 *@rpg_threshold: The number of times rpByteStage or rpTimeStage can count 0098 * before RP rate control state machine advances states 0099 *@rpg_max_rate: the maxinun rate, in Mbits per second, 0100 * at which an RP can transmit 0101 *@rpg_ai_rate: The rate, in Mbits per second, 0102 * used to increase rpTargetRate in the RPR_ACTIVE_INCREASE 0103 *@rpg_hai_rate: The rate, in Mbits per second, 0104 * used to increase rpTargetRate in the RPR_HYPER_INCREASE state 0105 *@rpg_gd: Upon CNM receive, flow rate is limited to (Fb/Gd)*CurrentRate. 0106 * rpgGd is given as log2(Gd), where Gd may only be powers of 2 0107 *@rpg_min_dec_fac: The minimum factor by which the current transmit rate 0108 * can be changed by reception of a CNM. 0109 * value is given as percentage (1-100) 0110 *@rpg_min_rate: The minimum value, in bits per second, for rate to limit 0111 *@cndd_state_machine: The state of the congestion notification domain 0112 * defense state machine, as defined by IEEE 802.3Qau 0113 * section 32.1.1. In the interior ready state, 0114 * the QCN capable hardware may add CN-TAG TLV to the 0115 * outgoing traffic, to specifically identify outgoing 0116 * flows. 0117 */ 0118 0119 struct ieee_qcn { 0120 __u8 rpg_enable[IEEE_8021QAZ_MAX_TCS]; 0121 __u32 rppp_max_rps[IEEE_8021QAZ_MAX_TCS]; 0122 __u32 rpg_time_reset[IEEE_8021QAZ_MAX_TCS]; 0123 __u32 rpg_byte_reset[IEEE_8021QAZ_MAX_TCS]; 0124 __u32 rpg_threshold[IEEE_8021QAZ_MAX_TCS]; 0125 __u32 rpg_max_rate[IEEE_8021QAZ_MAX_TCS]; 0126 __u32 rpg_ai_rate[IEEE_8021QAZ_MAX_TCS]; 0127 __u32 rpg_hai_rate[IEEE_8021QAZ_MAX_TCS]; 0128 __u32 rpg_gd[IEEE_8021QAZ_MAX_TCS]; 0129 __u32 rpg_min_dec_fac[IEEE_8021QAZ_MAX_TCS]; 0130 __u32 rpg_min_rate[IEEE_8021QAZ_MAX_TCS]; 0131 __u32 cndd_state_machine[IEEE_8021QAZ_MAX_TCS]; 0132 }; 0133 0134 /* This structure contains the IEEE 802.1Qau QCN statistics. 0135 * 0136 *@rppp_rp_centiseconds: the number of RP-centiseconds accumulated 0137 * by RPs at this priority level on this Port 0138 *@rppp_created_rps: number of active RPs(flows) that react to CNMs 0139 */ 0140 0141 struct ieee_qcn_stats { 0142 __u64 rppp_rp_centiseconds[IEEE_8021QAZ_MAX_TCS]; 0143 __u32 rppp_created_rps[IEEE_8021QAZ_MAX_TCS]; 0144 }; 0145 0146 /* This structure contains the IEEE 802.1Qaz PFC managed object 0147 * 0148 * @pfc_cap: Indicates the number of traffic classes on the local device 0149 * that may simultaneously have PFC enabled. 0150 * @pfc_en: bitmap indicating pfc enabled traffic classes 0151 * @mbc: enable macsec bypass capability 0152 * @delay: the allowance made for a round-trip propagation delay of the 0153 * link in bits. 0154 * @requests: count of the sent pfc frames 0155 * @indications: count of the received pfc frames 0156 */ 0157 struct ieee_pfc { 0158 __u8 pfc_cap; 0159 __u8 pfc_en; 0160 __u8 mbc; 0161 __u16 delay; 0162 __u64 requests[IEEE_8021QAZ_MAX_TCS]; 0163 __u64 indications[IEEE_8021QAZ_MAX_TCS]; 0164 }; 0165 0166 #define IEEE_8021Q_MAX_PRIORITIES 8 0167 #define DCBX_MAX_BUFFERS 8 0168 struct dcbnl_buffer { 0169 /* priority to buffer mapping */ 0170 __u8 prio2buffer[IEEE_8021Q_MAX_PRIORITIES]; 0171 /* buffer size in Bytes */ 0172 __u32 buffer_size[DCBX_MAX_BUFFERS]; 0173 __u32 total_size; 0174 }; 0175 0176 /* CEE DCBX std supported values */ 0177 #define CEE_DCBX_MAX_PGS 8 0178 #define CEE_DCBX_MAX_PRIO 8 0179 0180 /** 0181 * struct cee_pg - CEE Priority-Group managed object 0182 * 0183 * @willing: willing bit in the PG tlv 0184 * @error: error bit in the PG tlv 0185 * @pg_en: enable bit of the PG feature 0186 * @tcs_supported: number of traffic classes supported 0187 * @pg_bw: bandwidth percentage for each priority group 0188 * @prio_pg: priority to PG mapping indexed by priority 0189 */ 0190 struct cee_pg { 0191 __u8 willing; 0192 __u8 error; 0193 __u8 pg_en; 0194 __u8 tcs_supported; 0195 __u8 pg_bw[CEE_DCBX_MAX_PGS]; 0196 __u8 prio_pg[CEE_DCBX_MAX_PGS]; 0197 }; 0198 0199 /** 0200 * struct cee_pfc - CEE PFC managed object 0201 * 0202 * @willing: willing bit in the PFC tlv 0203 * @error: error bit in the PFC tlv 0204 * @pfc_en: bitmap indicating pfc enabled traffic classes 0205 * @tcs_supported: number of traffic classes supported 0206 */ 0207 struct cee_pfc { 0208 __u8 willing; 0209 __u8 error; 0210 __u8 pfc_en; 0211 __u8 tcs_supported; 0212 }; 0213 0214 /* IEEE 802.1Qaz std supported values */ 0215 #define IEEE_8021QAZ_APP_SEL_ETHERTYPE 1 0216 #define IEEE_8021QAZ_APP_SEL_STREAM 2 0217 #define IEEE_8021QAZ_APP_SEL_DGRAM 3 0218 #define IEEE_8021QAZ_APP_SEL_ANY 4 0219 #define IEEE_8021QAZ_APP_SEL_DSCP 5 0220 0221 /* This structure contains the IEEE 802.1Qaz APP managed object. This 0222 * object is also used for the CEE std as well. 0223 * 0224 * @selector: protocol identifier type 0225 * @protocol: protocol of type indicated 0226 * @priority: 3-bit unsigned integer indicating priority for IEEE 0227 * 8-bit 802.1p user priority bitmap for CEE 0228 * 0229 * ---- 0230 * Selector field values for IEEE 802.1Qaz 0231 * 0 Reserved 0232 * 1 Ethertype 0233 * 2 Well known port number over TCP or SCTP 0234 * 3 Well known port number over UDP or DCCP 0235 * 4 Well known port number over TCP, SCTP, UDP, or DCCP 0236 * 5 Differentiated Services Code Point (DSCP) value 0237 * 6-7 Reserved 0238 * 0239 * Selector field values for CEE 0240 * 0 Ethertype 0241 * 1 Well known port number over TCP or UDP 0242 * 2-3 Reserved 0243 */ 0244 struct dcb_app { 0245 __u8 selector; 0246 __u8 priority; 0247 __u16 protocol; 0248 }; 0249 0250 /** 0251 * struct dcb_peer_app_info - APP feature information sent by the peer 0252 * 0253 * @willing: willing bit in the peer APP tlv 0254 * @error: error bit in the peer APP tlv 0255 * 0256 * In addition to this information the full peer APP tlv also contains 0257 * a table of 'app_count' APP objects defined above. 0258 */ 0259 struct dcb_peer_app_info { 0260 __u8 willing; 0261 __u8 error; 0262 }; 0263 0264 struct dcbmsg { 0265 __u8 dcb_family; 0266 __u8 cmd; 0267 __u16 dcb_pad; 0268 }; 0269 0270 /** 0271 * enum dcbnl_commands - supported DCB commands 0272 * 0273 * @DCB_CMD_UNDEFINED: unspecified command to catch errors 0274 * @DCB_CMD_GSTATE: request the state of DCB in the device 0275 * @DCB_CMD_SSTATE: set the state of DCB in the device 0276 * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx 0277 * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx 0278 * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx 0279 * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx 0280 * @DCB_CMD_PFC_GCFG: request the priority flow control configuration 0281 * @DCB_CMD_PFC_SCFG: set the priority flow control configuration 0282 * @DCB_CMD_SET_ALL: apply all changes to the underlying device 0283 * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying 0284 * device. Only useful when using bonding. 0285 * @DCB_CMD_GCAP: request the DCB capabilities of the device 0286 * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported 0287 * @DCB_CMD_SNUMTCS: set the number of traffic classes 0288 * @DCB_CMD_GBCN: set backward congestion notification configuration 0289 * @DCB_CMD_SBCN: get backward congestion notification configuration. 0290 * @DCB_CMD_GAPP: get application protocol configuration 0291 * @DCB_CMD_SAPP: set application protocol configuration 0292 * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration 0293 * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration 0294 * @DCB_CMD_GDCBX: get DCBX engine configuration 0295 * @DCB_CMD_SDCBX: set DCBX engine configuration 0296 * @DCB_CMD_GFEATCFG: get DCBX features flags 0297 * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags 0298 * @DCB_CMD_CEE_GET: get CEE aggregated configuration 0299 * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration 0300 */ 0301 enum dcbnl_commands { 0302 DCB_CMD_UNDEFINED, 0303 0304 DCB_CMD_GSTATE, 0305 DCB_CMD_SSTATE, 0306 0307 DCB_CMD_PGTX_GCFG, 0308 DCB_CMD_PGTX_SCFG, 0309 DCB_CMD_PGRX_GCFG, 0310 DCB_CMD_PGRX_SCFG, 0311 0312 DCB_CMD_PFC_GCFG, 0313 DCB_CMD_PFC_SCFG, 0314 0315 DCB_CMD_SET_ALL, 0316 0317 DCB_CMD_GPERM_HWADDR, 0318 0319 DCB_CMD_GCAP, 0320 0321 DCB_CMD_GNUMTCS, 0322 DCB_CMD_SNUMTCS, 0323 0324 DCB_CMD_PFC_GSTATE, 0325 DCB_CMD_PFC_SSTATE, 0326 0327 DCB_CMD_BCN_GCFG, 0328 DCB_CMD_BCN_SCFG, 0329 0330 DCB_CMD_GAPP, 0331 DCB_CMD_SAPP, 0332 0333 DCB_CMD_IEEE_SET, 0334 DCB_CMD_IEEE_GET, 0335 0336 DCB_CMD_GDCBX, 0337 DCB_CMD_SDCBX, 0338 0339 DCB_CMD_GFEATCFG, 0340 DCB_CMD_SFEATCFG, 0341 0342 DCB_CMD_CEE_GET, 0343 DCB_CMD_IEEE_DEL, 0344 0345 __DCB_CMD_ENUM_MAX, 0346 DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1, 0347 }; 0348 0349 /** 0350 * enum dcbnl_attrs - DCB top-level netlink attributes 0351 * 0352 * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors 0353 * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING) 0354 * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8) 0355 * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8) 0356 * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED) 0357 * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8) 0358 * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED) 0359 * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8) 0360 * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED) 0361 * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED) 0362 * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED) 0363 * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED) 0364 * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED) 0365 * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8) 0366 * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED) 0367 * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED) 0368 */ 0369 enum dcbnl_attrs { 0370 DCB_ATTR_UNDEFINED, 0371 0372 DCB_ATTR_IFNAME, 0373 DCB_ATTR_STATE, 0374 DCB_ATTR_PFC_STATE, 0375 DCB_ATTR_PFC_CFG, 0376 DCB_ATTR_NUM_TC, 0377 DCB_ATTR_PG_CFG, 0378 DCB_ATTR_SET_ALL, 0379 DCB_ATTR_PERM_HWADDR, 0380 DCB_ATTR_CAP, 0381 DCB_ATTR_NUMTCS, 0382 DCB_ATTR_BCN, 0383 DCB_ATTR_APP, 0384 0385 /* IEEE std attributes */ 0386 DCB_ATTR_IEEE, 0387 0388 DCB_ATTR_DCBX, 0389 DCB_ATTR_FEATCFG, 0390 0391 /* CEE nested attributes */ 0392 DCB_ATTR_CEE, 0393 0394 __DCB_ATTR_ENUM_MAX, 0395 DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1, 0396 }; 0397 0398 /** 0399 * enum ieee_attrs - IEEE 802.1Qaz get/set attributes 0400 * 0401 * @DCB_ATTR_IEEE_UNSPEC: unspecified 0402 * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration 0403 * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration 0404 * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration 0405 * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only 0406 * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only 0407 * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only 0408 */ 0409 enum ieee_attrs { 0410 DCB_ATTR_IEEE_UNSPEC, 0411 DCB_ATTR_IEEE_ETS, 0412 DCB_ATTR_IEEE_PFC, 0413 DCB_ATTR_IEEE_APP_TABLE, 0414 DCB_ATTR_IEEE_PEER_ETS, 0415 DCB_ATTR_IEEE_PEER_PFC, 0416 DCB_ATTR_IEEE_PEER_APP, 0417 DCB_ATTR_IEEE_MAXRATE, 0418 DCB_ATTR_IEEE_QCN, 0419 DCB_ATTR_IEEE_QCN_STATS, 0420 DCB_ATTR_DCB_BUFFER, 0421 __DCB_ATTR_IEEE_MAX 0422 }; 0423 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1) 0424 0425 enum ieee_attrs_app { 0426 DCB_ATTR_IEEE_APP_UNSPEC, 0427 DCB_ATTR_IEEE_APP, 0428 __DCB_ATTR_IEEE_APP_MAX 0429 }; 0430 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1) 0431 0432 /** 0433 * enum cee_attrs - CEE DCBX get attributes. 0434 * 0435 * @DCB_ATTR_CEE_UNSPEC: unspecified 0436 * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only 0437 * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only 0438 * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only 0439 * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG) 0440 * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG) 0441 * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG) 0442 * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP) 0443 * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG) 0444 * 0445 * An aggregated collection of the cee std negotiated parameters. 0446 */ 0447 enum cee_attrs { 0448 DCB_ATTR_CEE_UNSPEC, 0449 DCB_ATTR_CEE_PEER_PG, 0450 DCB_ATTR_CEE_PEER_PFC, 0451 DCB_ATTR_CEE_PEER_APP_TABLE, 0452 DCB_ATTR_CEE_TX_PG, 0453 DCB_ATTR_CEE_RX_PG, 0454 DCB_ATTR_CEE_PFC, 0455 DCB_ATTR_CEE_APP_TABLE, 0456 DCB_ATTR_CEE_FEAT, 0457 __DCB_ATTR_CEE_MAX 0458 }; 0459 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1) 0460 0461 enum peer_app_attr { 0462 DCB_ATTR_CEE_PEER_APP_UNSPEC, 0463 DCB_ATTR_CEE_PEER_APP_INFO, 0464 DCB_ATTR_CEE_PEER_APP, 0465 __DCB_ATTR_CEE_PEER_APP_MAX 0466 }; 0467 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1) 0468 0469 enum cee_attrs_app { 0470 DCB_ATTR_CEE_APP_UNSPEC, 0471 DCB_ATTR_CEE_APP, 0472 __DCB_ATTR_CEE_APP_MAX 0473 }; 0474 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1) 0475 0476 /** 0477 * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs 0478 * 0479 * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors 0480 * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8) 0481 * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8) 0482 * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8) 0483 * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8) 0484 * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8) 0485 * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8) 0486 * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8) 0487 * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8) 0488 * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined 0489 * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG) 0490 * 0491 */ 0492 enum dcbnl_pfc_up_attrs { 0493 DCB_PFC_UP_ATTR_UNDEFINED, 0494 0495 DCB_PFC_UP_ATTR_0, 0496 DCB_PFC_UP_ATTR_1, 0497 DCB_PFC_UP_ATTR_2, 0498 DCB_PFC_UP_ATTR_3, 0499 DCB_PFC_UP_ATTR_4, 0500 DCB_PFC_UP_ATTR_5, 0501 DCB_PFC_UP_ATTR_6, 0502 DCB_PFC_UP_ATTR_7, 0503 DCB_PFC_UP_ATTR_ALL, 0504 0505 __DCB_PFC_UP_ATTR_ENUM_MAX, 0506 DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1, 0507 }; 0508 0509 /** 0510 * enum dcbnl_pg_attrs - DCB Priority Group attributes 0511 * 0512 * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors 0513 * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED) 0514 * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED) 0515 * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED) 0516 * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED) 0517 * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED) 0518 * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED) 0519 * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED) 0520 * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED) 0521 * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined 0522 * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED) 0523 * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8) 0524 * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8) 0525 * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8) 0526 * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8) 0527 * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8) 0528 * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8) 0529 * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8) 0530 * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8) 0531 * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined 0532 * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG) 0533 * 0534 */ 0535 enum dcbnl_pg_attrs { 0536 DCB_PG_ATTR_UNDEFINED, 0537 0538 DCB_PG_ATTR_TC_0, 0539 DCB_PG_ATTR_TC_1, 0540 DCB_PG_ATTR_TC_2, 0541 DCB_PG_ATTR_TC_3, 0542 DCB_PG_ATTR_TC_4, 0543 DCB_PG_ATTR_TC_5, 0544 DCB_PG_ATTR_TC_6, 0545 DCB_PG_ATTR_TC_7, 0546 DCB_PG_ATTR_TC_MAX, 0547 DCB_PG_ATTR_TC_ALL, 0548 0549 DCB_PG_ATTR_BW_ID_0, 0550 DCB_PG_ATTR_BW_ID_1, 0551 DCB_PG_ATTR_BW_ID_2, 0552 DCB_PG_ATTR_BW_ID_3, 0553 DCB_PG_ATTR_BW_ID_4, 0554 DCB_PG_ATTR_BW_ID_5, 0555 DCB_PG_ATTR_BW_ID_6, 0556 DCB_PG_ATTR_BW_ID_7, 0557 DCB_PG_ATTR_BW_ID_MAX, 0558 DCB_PG_ATTR_BW_ID_ALL, 0559 0560 __DCB_PG_ATTR_ENUM_MAX, 0561 DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1, 0562 }; 0563 0564 /** 0565 * enum dcbnl_tc_attrs - DCB Traffic Class attributes 0566 * 0567 * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors 0568 * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to 0569 * Valid values are: 0-7 0570 * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map 0571 * Some devices may not support changing the 0572 * user priority map of a TC. 0573 * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting 0574 * 0 - none 0575 * 1 - group strict 0576 * 2 - link strict 0577 * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and 0578 * not configured to use link strict priority, 0579 * this is the percentage of bandwidth of the 0580 * priority group this traffic class belongs to 0581 * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters 0582 * 0583 */ 0584 enum dcbnl_tc_attrs { 0585 DCB_TC_ATTR_PARAM_UNDEFINED, 0586 0587 DCB_TC_ATTR_PARAM_PGID, 0588 DCB_TC_ATTR_PARAM_UP_MAPPING, 0589 DCB_TC_ATTR_PARAM_STRICT_PRIO, 0590 DCB_TC_ATTR_PARAM_BW_PCT, 0591 DCB_TC_ATTR_PARAM_ALL, 0592 0593 __DCB_TC_ATTR_PARAM_ENUM_MAX, 0594 DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1, 0595 }; 0596 0597 /** 0598 * enum dcbnl_cap_attrs - DCB Capability attributes 0599 * 0600 * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors 0601 * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters 0602 * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups 0603 * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control 0604 * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to 0605 * traffic class mapping 0606 * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a 0607 * number of traffic classes the device 0608 * can be configured to use for Priority Groups 0609 * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a 0610 * number of traffic classes the device can be 0611 * configured to use for Priority Flow Control 0612 * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority 0613 * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion 0614 * Notification 0615 * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine 0616 * 0617 */ 0618 enum dcbnl_cap_attrs { 0619 DCB_CAP_ATTR_UNDEFINED, 0620 DCB_CAP_ATTR_ALL, 0621 DCB_CAP_ATTR_PG, 0622 DCB_CAP_ATTR_PFC, 0623 DCB_CAP_ATTR_UP2TC, 0624 DCB_CAP_ATTR_PG_TCS, 0625 DCB_CAP_ATTR_PFC_TCS, 0626 DCB_CAP_ATTR_GSP, 0627 DCB_CAP_ATTR_BCN, 0628 DCB_CAP_ATTR_DCBX, 0629 0630 __DCB_CAP_ATTR_ENUM_MAX, 0631 DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1, 0632 }; 0633 0634 /** 0635 * DCBX capability flags 0636 * 0637 * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent. 0638 * 'set' routines are used to configure the device with 0639 * the negotiated parameters 0640 * 0641 * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but 0642 * by another entity 0643 * 'get' routines are used to retrieve the 0644 * negotiated parameters 0645 * 'set' routines can be used to set the initial 0646 * negotiation configuration 0647 * 0648 * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine 0649 * supports the CEE protocol flavor 0650 * 0651 * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine 0652 * supports the IEEE protocol flavor 0653 * 0654 * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine 0655 * supports static configuration (i.e no actual 0656 * negotiation is performed negotiated parameters equal 0657 * the initial configuration) 0658 * 0659 */ 0660 #define DCB_CAP_DCBX_HOST 0x01 0661 #define DCB_CAP_DCBX_LLD_MANAGED 0x02 0662 #define DCB_CAP_DCBX_VER_CEE 0x04 0663 #define DCB_CAP_DCBX_VER_IEEE 0x08 0664 #define DCB_CAP_DCBX_STATIC 0x10 0665 0666 /** 0667 * enum dcbnl_numtcs_attrs - number of traffic classes 0668 * 0669 * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors 0670 * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes 0671 * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for 0672 * priority groups 0673 * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can 0674 * support priority flow control 0675 */ 0676 enum dcbnl_numtcs_attrs { 0677 DCB_NUMTCS_ATTR_UNDEFINED, 0678 DCB_NUMTCS_ATTR_ALL, 0679 DCB_NUMTCS_ATTR_PG, 0680 DCB_NUMTCS_ATTR_PFC, 0681 0682 __DCB_NUMTCS_ATTR_ENUM_MAX, 0683 DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1, 0684 }; 0685 0686 enum dcbnl_bcn_attrs{ 0687 DCB_BCN_ATTR_UNDEFINED = 0, 0688 0689 DCB_BCN_ATTR_RP_0, 0690 DCB_BCN_ATTR_RP_1, 0691 DCB_BCN_ATTR_RP_2, 0692 DCB_BCN_ATTR_RP_3, 0693 DCB_BCN_ATTR_RP_4, 0694 DCB_BCN_ATTR_RP_5, 0695 DCB_BCN_ATTR_RP_6, 0696 DCB_BCN_ATTR_RP_7, 0697 DCB_BCN_ATTR_RP_ALL, 0698 0699 DCB_BCN_ATTR_BCNA_0, 0700 DCB_BCN_ATTR_BCNA_1, 0701 DCB_BCN_ATTR_ALPHA, 0702 DCB_BCN_ATTR_BETA, 0703 DCB_BCN_ATTR_GD, 0704 DCB_BCN_ATTR_GI, 0705 DCB_BCN_ATTR_TMAX, 0706 DCB_BCN_ATTR_TD, 0707 DCB_BCN_ATTR_RMIN, 0708 DCB_BCN_ATTR_W, 0709 DCB_BCN_ATTR_RD, 0710 DCB_BCN_ATTR_RU, 0711 DCB_BCN_ATTR_WRTT, 0712 DCB_BCN_ATTR_RI, 0713 DCB_BCN_ATTR_C, 0714 DCB_BCN_ATTR_ALL, 0715 0716 __DCB_BCN_ATTR_ENUM_MAX, 0717 DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1, 0718 }; 0719 0720 /** 0721 * enum dcb_general_attr_values - general DCB attribute values 0722 * 0723 * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported 0724 * 0725 */ 0726 enum dcb_general_attr_values { 0727 DCB_ATTR_VALUE_UNDEFINED = 0xff 0728 }; 0729 0730 #define DCB_APP_IDTYPE_ETHTYPE 0x00 0731 #define DCB_APP_IDTYPE_PORTNUM 0x01 0732 enum dcbnl_app_attrs { 0733 DCB_APP_ATTR_UNDEFINED, 0734 0735 DCB_APP_ATTR_IDTYPE, 0736 DCB_APP_ATTR_ID, 0737 DCB_APP_ATTR_PRIORITY, 0738 0739 __DCB_APP_ATTR_ENUM_MAX, 0740 DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1, 0741 }; 0742 0743 /** 0744 * enum dcbnl_featcfg_attrs - features conifiguration flags 0745 * 0746 * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors 0747 * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes 0748 * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups 0749 * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority 0750 * flow control 0751 * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV 0752 * 0753 */ 0754 #define DCB_FEATCFG_ERROR 0x01 /* error in feature resolution */ 0755 #define DCB_FEATCFG_ENABLE 0x02 /* enable feature */ 0756 #define DCB_FEATCFG_WILLING 0x04 /* feature is willing */ 0757 #define DCB_FEATCFG_ADVERTISE 0x08 /* advertise feature */ 0758 enum dcbnl_featcfg_attrs { 0759 DCB_FEATCFG_ATTR_UNDEFINED, 0760 DCB_FEATCFG_ATTR_ALL, 0761 DCB_FEATCFG_ATTR_PG, 0762 DCB_FEATCFG_ATTR_PFC, 0763 DCB_FEATCFG_ATTR_APP, 0764 0765 __DCB_FEATCFG_ATTR_ENUM_MAX, 0766 DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1, 0767 }; 0768 0769 #endif /* __LINUX_DCBNL_H__ */
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