include/uapi/linux/dcbnl.h

   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 it
   6  * 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 WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  16  * 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    8
  28
  29 #define IEEE_8021QAZ_TSA_STRICT         0
  30 #define IEEE_8021QAZ_TSA_CB_SHAPER      1
  31 #define IEEE_8021QAZ_TSA_ETS            2
  32 #define IEEE_8021QAZ_TSA_VENDOR         255
  33
  34 /* This structure contains the IEEE 802.1Qaz ETS managed object
  35  *
  36  * @willing: willing bit in ETS configuration TLV
  37  * @ets_cap: indicates supported capacity of ets feature
  38  * @cbs: credit based shaper ets algorithm supported
  39  * @tc_tx_bw: tc tx bandwidth indexed by traffic class
  40  * @tc_rx_bw: tc rx bandwidth indexed by traffic class
  41  * @tc_tsa: TSA Assignment table, indexed by traffic class
  42  * @prio_tc: priority assignment table mapping 8021Qp to traffic class
  43  * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV
  44  * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV
  45  * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV
  46  *
  47  * Recommended values are used to set fields in the ETS recommendation TLV
  48  * with hardware offloaded LLDP.
  49  *
  50  * ----
  51  *  TSA Assignment 8 bit identifiers
  52  *      0       strict priority
  53  *      1       credit-based shaper
  54  *      2       enhanced transmission selection
  55  *      3-254   reserved
  56  *      255     vendor specific
  57  */
  58 struct 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 ETS
  72  * managed object.
  73  * Values are 64 bits long and specified in Kbps to enable usage over both
  74  * slow and very fast networks.
  75  *
  76  * @tc_maxrate: maximal tc tx bandwidth indexed by traffic class
  77  */
  78 struct ieee_maxrate {
  79         __u64   tc_maxrate[IEEE_8021QAZ_MAX_TCS];
  80 };
  81
  82 enum 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 RP
  92  *@rppp_max_rps: maximum number of RPs allowed for this CNPV on this port
  93  *@rpg_time_reset: time between rate increases if no CNMs received.
  94  *                 given in u-seconds
  95  *@rpg_byte_reset: transmitted data between rate increases if no CNMs received.
  96  *                 given in Bytes
  97  *@rpg_threshold: The number of times rpByteStage or rpTimeStage can count
  98  *                 before RP rate control state machine advances states
  99  *@rpg_max_rate: the maxinun rate, in Mbits per second,
 100  *               at which an RP can transmit
 101  *@rpg_ai_rate: The rate, in Mbits per second,
 102  *              used to increase rpTargetRate in the RPR_ACTIVE_INCREASE
 103  *@rpg_hai_rate: The rate, in Mbits per second,
 104  *               used to increase rpTargetRate in the RPR_HYPER_INCREASE state
 105  *@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 2
 107  *@rpg_min_dec_fac: The minimum factor by which the current transmit rate
 108  *                  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 limit
 111  *@cndd_state_machine: The state of the congestion notification domain
 112  *                     defense state machine, as defined by IEEE 802.3Qau
 113  *                     section 32.1.1. In the interior ready state,
 114  *                     the QCN capable hardware may add CN-TAG TLV to the
 115  *                     outgoing traffic, to specifically identify outgoing
 116  *                     flows.
 117  */
 118
 119 struct 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 accumulated
 137  *                       by RPs at this priority level on this Port
 138  *@rppp_created_rps: number of active RPs(flows) that react to CNMs
 139  */
 140
 141 struct 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 object
 147  *
 148  * @pfc_cap: Indicates the number of traffic classes on the local device
 149  *           that may simultaneously have PFC enabled.
 150  * @pfc_en: bitmap indicating pfc enabled traffic classes
 151  * @mbc: enable macsec bypass capability
 152  * @delay: the allowance made for a round-trip propagation delay of the
 153  *         link in bits.
 154  * @requests: count of the sent pfc frames
 155  * @indications: count of the received pfc frames
 156  */
 157 struct 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 /* CEE DCBX std supported values */
 167 #define CEE_DCBX_MAX_PGS        8
 168 #define CEE_DCBX_MAX_PRIO       8
 169
 170 /**
 171  * struct cee_pg - CEE Priority-Group managed object
 172  *
 173  * @willing: willing bit in the PG tlv
 174  * @error: error bit in the PG tlv
 175  * @pg_en: enable bit of the PG feature
 176  * @tcs_supported: number of traffic classes supported
 177  * @pg_bw: bandwidth percentage for each priority group
 178  * @prio_pg: priority to PG mapping indexed by priority
 179  */
 180 struct cee_pg {
 181         __u8    willing;
 182         __u8    error;
 183         __u8    pg_en;
 184         __u8    tcs_supported;
 185         __u8    pg_bw[CEE_DCBX_MAX_PGS];
 186         __u8    prio_pg[CEE_DCBX_MAX_PGS];
 187 };
 188
 189 /**
 190  * struct cee_pfc - CEE PFC managed object
 191  *
 192  * @willing: willing bit in the PFC tlv
 193  * @error: error bit in the PFC tlv
 194  * @pfc_en: bitmap indicating pfc enabled traffic classes
 195  * @tcs_supported: number of traffic classes supported
 196  */
 197 struct cee_pfc {
 198         __u8    willing;
 199         __u8    error;
 200         __u8    pfc_en;
 201         __u8    tcs_supported;
 202 };
 203
 204 /* IEEE 802.1Qaz std supported values */
 205 #define IEEE_8021QAZ_APP_SEL_ETHERTYPE  1
 206 #define IEEE_8021QAZ_APP_SEL_STREAM     2
 207 #define IEEE_8021QAZ_APP_SEL_DGRAM      3
 208 #define IEEE_8021QAZ_APP_SEL_ANY        4
 209 #define IEEE_8021QAZ_APP_SEL_DSCP       5
 210
 211 /* This structure contains the IEEE 802.1Qaz APP managed object. This
 212  * object is also used for the CEE std as well.
 213  *
 214  * @selector: protocol identifier type
 215  * @protocol: protocol of type indicated
 216  * @priority: 3-bit unsigned integer indicating priority for IEEE
 217  *            8-bit 802.1p user priority bitmap for CEE
 218  *
 219  * ----
 220  *  Selector field values for IEEE 802.1Qaz
 221  *      0       Reserved
 222  *      1       Ethertype
 223  *      2       Well known port number over TCP or SCTP
 224  *      3       Well known port number over UDP or DCCP
 225  *      4       Well known port number over TCP, SCTP, UDP, or DCCP
 226  *      5-7     Reserved
 227  *
 228  *  Selector field values for CEE
 229  *      0       Ethertype
 230  *      1       Well known port number over TCP or UDP
 231  *      2-3     Reserved
 232  */
 233 struct dcb_app {
 234         __u8    selector;
 235         __u8    priority;
 236         __u16   protocol;
 237 };
 238
 239 /**
 240  * struct dcb_peer_app_info - APP feature information sent by the peer
 241  *
 242  * @willing: willing bit in the peer APP tlv
 243  * @error: error bit in the peer APP tlv
 244  *
 245  * In addition to this information the full peer APP tlv also contains
 246  * a table of 'app_count' APP objects defined above.
 247  */
 248 struct dcb_peer_app_info {
 249         __u8    willing;
 250         __u8    error;
 251 };
 252
 253 struct dcbmsg {
 254         __u8               dcb_family;
 255         __u8               cmd;
 256         __u16              dcb_pad;
 257 };
 258
 259 /**
 260  * enum dcbnl_commands - supported DCB commands
 261  *
 262  * @DCB_CMD_UNDEFINED: unspecified command to catch errors
 263  * @DCB_CMD_GSTATE: request the state of DCB in the device
 264  * @DCB_CMD_SSTATE: set the state of DCB in the device
 265  * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
 266  * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
 267  * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
 268  * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
 269  * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
 270  * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
 271  * @DCB_CMD_SET_ALL: apply all changes to the underlying device
 272  * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
 273  *                        device.  Only useful when using bonding.
 274  * @DCB_CMD_GCAP: request the DCB capabilities of the device
 275  * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
 276  * @DCB_CMD_SNUMTCS: set the number of traffic classes
 277  * @DCB_CMD_GBCN: set backward congestion notification configuration
 278  * @DCB_CMD_SBCN: get backward congestion notification configration.
 279  * @DCB_CMD_GAPP: get application protocol configuration
 280  * @DCB_CMD_SAPP: set application protocol configuration
 281  * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
 282  * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
 283  * @DCB_CMD_GDCBX: get DCBX engine configuration
 284  * @DCB_CMD_SDCBX: set DCBX engine configuration
 285  * @DCB_CMD_GFEATCFG: get DCBX features flags
 286  * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
 287  * @DCB_CMD_CEE_GET: get CEE aggregated configuration
 288  * @DCB_CMD_IEEE_DEL: delete IEEE 802.1Qaz configuration
 289  */
 290 enum dcbnl_commands {
 291         DCB_CMD_UNDEFINED,
 292
 293         DCB_CMD_GSTATE,
 294         DCB_CMD_SSTATE,
 295
 296         DCB_CMD_PGTX_GCFG,
 297         DCB_CMD_PGTX_SCFG,
 298         DCB_CMD_PGRX_GCFG,
 299         DCB_CMD_PGRX_SCFG,
 300
 301         DCB_CMD_PFC_GCFG,
 302         DCB_CMD_PFC_SCFG,
 303
 304         DCB_CMD_SET_ALL,
 305
 306         DCB_CMD_GPERM_HWADDR,
 307
 308         DCB_CMD_GCAP,
 309
 310         DCB_CMD_GNUMTCS,
 311         DCB_CMD_SNUMTCS,
 312
 313         DCB_CMD_PFC_GSTATE,
 314         DCB_CMD_PFC_SSTATE,
 315
 316         DCB_CMD_BCN_GCFG,
 317         DCB_CMD_BCN_SCFG,
 318
 319         DCB_CMD_GAPP,
 320         DCB_CMD_SAPP,
 321
 322         DCB_CMD_IEEE_SET,
 323         DCB_CMD_IEEE_GET,
 324
 325         DCB_CMD_GDCBX,
 326         DCB_CMD_SDCBX,
 327
 328         DCB_CMD_GFEATCFG,
 329         DCB_CMD_SFEATCFG,
 330
 331         DCB_CMD_CEE_GET,
 332         DCB_CMD_IEEE_DEL,
 333
 334         __DCB_CMD_ENUM_MAX,
 335         DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
 336 };
 337
 338 /**
 339  * enum dcbnl_attrs - DCB top-level netlink attributes
 340  *
 341  * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
 342  * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
 343  * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
 344  * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
 345  * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
 346  * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
 347  * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
 348  * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
 349  * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
 350  * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
 351  * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
 352  * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
 353  * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
 354  * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
 355  * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
 356  * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
 357  */
 358 enum dcbnl_attrs {
 359         DCB_ATTR_UNDEFINED,
 360
 361         DCB_ATTR_IFNAME,
 362         DCB_ATTR_STATE,
 363         DCB_ATTR_PFC_STATE,
 364         DCB_ATTR_PFC_CFG,
 365         DCB_ATTR_NUM_TC,
 366         DCB_ATTR_PG_CFG,
 367         DCB_ATTR_SET_ALL,
 368         DCB_ATTR_PERM_HWADDR,
 369         DCB_ATTR_CAP,
 370         DCB_ATTR_NUMTCS,
 371         DCB_ATTR_BCN,
 372         DCB_ATTR_APP,
 373
 374         /* IEEE std attributes */
 375         DCB_ATTR_IEEE,
 376
 377         DCB_ATTR_DCBX,
 378         DCB_ATTR_FEATCFG,
 379
 380         /* CEE nested attributes */
 381         DCB_ATTR_CEE,
 382
 383         __DCB_ATTR_ENUM_MAX,
 384         DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
 385 };
 386
 387 /**
 388  * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
 389  *
 390  * @DCB_ATTR_IEEE_UNSPEC: unspecified
 391  * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
 392  * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
 393  * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
 394  * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
 395  * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
 396  * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
 397  */
 398 enum ieee_attrs {
 399         DCB_ATTR_IEEE_UNSPEC,
 400         DCB_ATTR_IEEE_ETS,
 401         DCB_ATTR_IEEE_PFC,
 402         DCB_ATTR_IEEE_APP_TABLE,
 403         DCB_ATTR_IEEE_PEER_ETS,
 404         DCB_ATTR_IEEE_PEER_PFC,
 405         DCB_ATTR_IEEE_PEER_APP,
 406         DCB_ATTR_IEEE_MAXRATE,
 407         DCB_ATTR_IEEE_QCN,
 408         DCB_ATTR_IEEE_QCN_STATS,
 409         __DCB_ATTR_IEEE_MAX
 410 };
 411 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
 412
 413 enum ieee_attrs_app {
 414         DCB_ATTR_IEEE_APP_UNSPEC,
 415         DCB_ATTR_IEEE_APP,
 416         __DCB_ATTR_IEEE_APP_MAX
 417 };
 418 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
 419
 420 /**
 421  * enum cee_attrs - CEE DCBX get attributes.
 422  *
 423  * @DCB_ATTR_CEE_UNSPEC: unspecified
 424  * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
 425  * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
 426  * @DCB_ATTR_CEE_PEER_APP_TABLE: peer APP tlv - get only
 427  * @DCB_ATTR_CEE_TX_PG: TX PG configuration (DCB_CMD_PGTX_GCFG)
 428  * @DCB_ATTR_CEE_RX_PG: RX PG configuration (DCB_CMD_PGRX_GCFG)
 429  * @DCB_ATTR_CEE_PFC: PFC configuration (DCB_CMD_PFC_GCFG)
 430  * @DCB_ATTR_CEE_APP_TABLE: APP configuration (multi DCB_CMD_GAPP)
 431  * @DCB_ATTR_CEE_FEAT: DCBX features flags (DCB_CMD_GFEATCFG)
 432  *
 433  * An aggregated collection of the cee std negotiated parameters.
 434  */
 435 enum cee_attrs {
 436         DCB_ATTR_CEE_UNSPEC,
 437         DCB_ATTR_CEE_PEER_PG,
 438         DCB_ATTR_CEE_PEER_PFC,
 439         DCB_ATTR_CEE_PEER_APP_TABLE,
 440         DCB_ATTR_CEE_TX_PG,
 441         DCB_ATTR_CEE_RX_PG,
 442         DCB_ATTR_CEE_PFC,
 443         DCB_ATTR_CEE_APP_TABLE,
 444         DCB_ATTR_CEE_FEAT,
 445         __DCB_ATTR_CEE_MAX
 446 };
 447 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
 448
 449 enum peer_app_attr {
 450         DCB_ATTR_CEE_PEER_APP_UNSPEC,
 451         DCB_ATTR_CEE_PEER_APP_INFO,
 452         DCB_ATTR_CEE_PEER_APP,
 453         __DCB_ATTR_CEE_PEER_APP_MAX
 454 };
 455 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
 456
 457 enum cee_attrs_app {
 458         DCB_ATTR_CEE_APP_UNSPEC,
 459         DCB_ATTR_CEE_APP,
 460         __DCB_ATTR_CEE_APP_MAX
 461 };
 462 #define DCB_ATTR_CEE_APP_MAX (__DCB_ATTR_CEE_APP_MAX - 1)
 463
 464 /**
 465  * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
 466  *
 467  * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
 468  * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
 469  * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
 470  * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
 471  * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
 472  * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
 473  * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
 474  * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
 475  * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
 476  * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
 477  * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
 478  *
 479  */
 480 enum dcbnl_pfc_up_attrs {
 481         DCB_PFC_UP_ATTR_UNDEFINED,
 482
 483         DCB_PFC_UP_ATTR_0,
 484         DCB_PFC_UP_ATTR_1,
 485         DCB_PFC_UP_ATTR_2,
 486         DCB_PFC_UP_ATTR_3,
 487         DCB_PFC_UP_ATTR_4,
 488         DCB_PFC_UP_ATTR_5,
 489         DCB_PFC_UP_ATTR_6,
 490         DCB_PFC_UP_ATTR_7,
 491         DCB_PFC_UP_ATTR_ALL,
 492
 493         __DCB_PFC_UP_ATTR_ENUM_MAX,
 494         DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
 495 };
 496
 497 /**
 498  * enum dcbnl_pg_attrs - DCB Priority Group attributes
 499  *
 500  * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
 501  * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
 502  * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
 503  * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
 504  * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
 505  * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
 506  * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
 507  * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
 508  * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
 509  * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
 510  * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
 511  * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
 512  * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
 513  * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
 514  * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
 515  * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
 516  * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
 517  * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
 518  * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
 519  * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
 520  * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
 521  *
 522  */
 523 enum dcbnl_pg_attrs {
 524         DCB_PG_ATTR_UNDEFINED,
 525
 526         DCB_PG_ATTR_TC_0,
 527         DCB_PG_ATTR_TC_1,
 528         DCB_PG_ATTR_TC_2,
 529         DCB_PG_ATTR_TC_3,
 530         DCB_PG_ATTR_TC_4,
 531         DCB_PG_ATTR_TC_5,
 532         DCB_PG_ATTR_TC_6,
 533         DCB_PG_ATTR_TC_7,
 534         DCB_PG_ATTR_TC_MAX,
 535         DCB_PG_ATTR_TC_ALL,
 536
 537         DCB_PG_ATTR_BW_ID_0,
 538         DCB_PG_ATTR_BW_ID_1,
 539         DCB_PG_ATTR_BW_ID_2,
 540         DCB_PG_ATTR_BW_ID_3,
 541         DCB_PG_ATTR_BW_ID_4,
 542         DCB_PG_ATTR_BW_ID_5,
 543         DCB_PG_ATTR_BW_ID_6,
 544         DCB_PG_ATTR_BW_ID_7,
 545         DCB_PG_ATTR_BW_ID_MAX,
 546         DCB_PG_ATTR_BW_ID_ALL,
 547
 548         __DCB_PG_ATTR_ENUM_MAX,
 549         DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
 550 };
 551
 552 /**
 553  * enum dcbnl_tc_attrs - DCB Traffic Class attributes
 554  *
 555  * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
 556  * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
 557  *                          Valid values are:  0-7
 558  * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
 559  *                                Some devices may not support changing the
 560  *                                user priority map of a TC.
 561  * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
 562  *                                 0 - none
 563  *                                 1 - group strict
 564  *                                 2 - link strict
 565  * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
 566  *                            not configured to use link strict priority,
 567  *                            this is the percentage of bandwidth of the
 568  *                            priority group this traffic class belongs to
 569  * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
 570  *
 571  */
 572 enum dcbnl_tc_attrs {
 573         DCB_TC_ATTR_PARAM_UNDEFINED,
 574
 575         DCB_TC_ATTR_PARAM_PGID,
 576         DCB_TC_ATTR_PARAM_UP_MAPPING,
 577         DCB_TC_ATTR_PARAM_STRICT_PRIO,
 578         DCB_TC_ATTR_PARAM_BW_PCT,
 579         DCB_TC_ATTR_PARAM_ALL,
 580
 581         __DCB_TC_ATTR_PARAM_ENUM_MAX,
 582         DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
 583 };
 584
 585 /**
 586  * enum dcbnl_cap_attrs - DCB Capability attributes
 587  *
 588  * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
 589  * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
 590  * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
 591  * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
 592  * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
 593  *                               traffic class mapping
 594  * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
 595  *                                number of traffic classes the device
 596  *                                can be configured to use for Priority Groups
 597  * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
 598  *                                 number of traffic classes the device can be
 599  *                                 configured to use for Priority Flow Control
 600  * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
 601  * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
 602  *                             Notification
 603  * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
 604  *
 605  */
 606 enum dcbnl_cap_attrs {
 607         DCB_CAP_ATTR_UNDEFINED,
 608         DCB_CAP_ATTR_ALL,
 609         DCB_CAP_ATTR_PG,
 610         DCB_CAP_ATTR_PFC,
 611         DCB_CAP_ATTR_UP2TC,
 612         DCB_CAP_ATTR_PG_TCS,
 613         DCB_CAP_ATTR_PFC_TCS,
 614         DCB_CAP_ATTR_GSP,
 615         DCB_CAP_ATTR_BCN,
 616         DCB_CAP_ATTR_DCBX,
 617
 618         __DCB_CAP_ATTR_ENUM_MAX,
 619         DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
 620 };
 621
 622 /**
 623  * DCBX capability flags
 624  *
 625  * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
 626  *                     'set' routines are used to configure the device with
 627  *                     the negotiated parameters
 628  *
 629  * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
 630  *                            by another entity
 631  *                            'get' routines are used to retrieve the
 632  *                            negotiated parameters
 633  *                            'set' routines can be used to set the initial
 634  *                            negotiation configuration
 635  *
 636  * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
 637  *                        supports the CEE protocol flavor
 638  *
 639  * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
 640  *                         supports the IEEE protocol flavor
 641  *
 642  * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
 643  *                       supports static configuration (i.e no actual
 644  *                       negotiation is performed negotiated parameters equal
 645  *                       the initial configuration)
 646  *
 647  */
 648 #define DCB_CAP_DCBX_HOST               0x01
 649 #define DCB_CAP_DCBX_LLD_MANAGED        0x02
 650 #define DCB_CAP_DCBX_VER_CEE            0x04
 651 #define DCB_CAP_DCBX_VER_IEEE           0x08
 652 #define DCB_CAP_DCBX_STATIC             0x10
 653
 654 /**
 655  * enum dcbnl_numtcs_attrs - number of traffic classes
 656  *
 657  * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
 658  * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
 659  * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
 660  *                               priority groups
 661  * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
 662  *                                support priority flow control
 663  */
 664 enum dcbnl_numtcs_attrs {
 665         DCB_NUMTCS_ATTR_UNDEFINED,
 666         DCB_NUMTCS_ATTR_ALL,
 667         DCB_NUMTCS_ATTR_PG,
 668         DCB_NUMTCS_ATTR_PFC,
 669
 670         __DCB_NUMTCS_ATTR_ENUM_MAX,
 671         DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
 672 };
 673
 674 enum dcbnl_bcn_attrs{
 675         DCB_BCN_ATTR_UNDEFINED = 0,
 676
 677         DCB_BCN_ATTR_RP_0,
 678         DCB_BCN_ATTR_RP_1,
 679         DCB_BCN_ATTR_RP_2,
 680         DCB_BCN_ATTR_RP_3,
 681         DCB_BCN_ATTR_RP_4,
 682         DCB_BCN_ATTR_RP_5,
 683         DCB_BCN_ATTR_RP_6,
 684         DCB_BCN_ATTR_RP_7,
 685         DCB_BCN_ATTR_RP_ALL,
 686
 687         DCB_BCN_ATTR_BCNA_0,
 688         DCB_BCN_ATTR_BCNA_1,
 689         DCB_BCN_ATTR_ALPHA,
 690         DCB_BCN_ATTR_BETA,
 691         DCB_BCN_ATTR_GD,
 692         DCB_BCN_ATTR_GI,
 693         DCB_BCN_ATTR_TMAX,
 694         DCB_BCN_ATTR_TD,
 695         DCB_BCN_ATTR_RMIN,
 696         DCB_BCN_ATTR_W,
 697         DCB_BCN_ATTR_RD,
 698         DCB_BCN_ATTR_RU,
 699         DCB_BCN_ATTR_WRTT,
 700         DCB_BCN_ATTR_RI,
 701         DCB_BCN_ATTR_C,
 702         DCB_BCN_ATTR_ALL,
 703
 704         __DCB_BCN_ATTR_ENUM_MAX,
 705         DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
 706 };
 707
 708 /**
 709  * enum dcb_general_attr_values - general DCB attribute values
 710  *
 711  * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
 712  *
 713  */
 714 enum dcb_general_attr_values {
 715         DCB_ATTR_VALUE_UNDEFINED = 0xff
 716 };
 717
 718 #define DCB_APP_IDTYPE_ETHTYPE  0x00
 719 #define DCB_APP_IDTYPE_PORTNUM  0x01
 720 enum dcbnl_app_attrs {
 721         DCB_APP_ATTR_UNDEFINED,
 722
 723         DCB_APP_ATTR_IDTYPE,
 724         DCB_APP_ATTR_ID,
 725         DCB_APP_ATTR_PRIORITY,
 726
 727         __DCB_APP_ATTR_ENUM_MAX,
 728         DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
 729 };
 730
 731 /**
 732  * enum dcbnl_featcfg_attrs - features conifiguration flags
 733  *
 734  * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
 735  * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
 736  * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
 737  * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
 738  *                                 flow control
 739  * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
 740  *
 741  */
 742 #define DCB_FEATCFG_ERROR       0x01    /* error in feature resolution */
 743 #define DCB_FEATCFG_ENABLE      0x02    /* enable feature */
 744 #define DCB_FEATCFG_WILLING     0x04    /* feature is willing */
 745 #define DCB_FEATCFG_ADVERTISE   0x08    /* advertise feature */
 746 enum dcbnl_featcfg_attrs {
 747         DCB_FEATCFG_ATTR_UNDEFINED,
 748         DCB_FEATCFG_ATTR_ALL,
 749         DCB_FEATCFG_ATTR_PG,
 750         DCB_FEATCFG_ATTR_PFC,
 751         DCB_FEATCFG_ATTR_APP,
 752
 753         __DCB_FEATCFG_ATTR_ENUM_MAX,
 754         DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
 755 };
 756
 757 #endif /* __LINUX_DCBNL_H__ */