include/linux/dcbnl.h

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