usr/dcbnl.h

   1 /*
   2  * Local copy of the kernel's dcbnl.h
   3  *
   4  * Copyright (c) 2008-2011, Intel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms and conditions of the GNU General Public License,
   8  * version 2, as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along with
  16  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  17  * Place - Suite 330, Boston, MA 02111-1307 USA.
  18  *
  19  * Author: Lucy Liu <lucy.liu@intel.com>
  20  */
  21
  22 #ifndef __LINUX_DCBNL_H__
  23 #define __LINUX_DCBNL_H__
  24
  25 #include <linux/types.h>
  26
  27 /* IEEE 802.1Qaz std supported values */
  28 #define IEEE_8021QAZ_MAX_TCS    8
  29
  30 #define IEEE_8021QAZ_TSA_STRICT         0
  31 #define IEEE_8021QAZ_TSA_CB_SHAPER      1
  32 #define IEEE_8021QAZ_TSA_ETS            2
  33 #define IEEE_8021QAZ_TSA_VENDOR         255
  34
  35 /* This structure contains the IEEE 802.1Qaz ETS managed object
  36  *
  37  * @willing: willing bit in ETS configuration TLV
  38  * @ets_cap: indicates supported capacity of ets feature
  39  * @cbs: credit based shaper ets algorithm supported
  40  * @tc_tx_bw: tc tx bandwidth indexed by traffic class
  41  * @tc_rx_bw: tc rx bandwidth indexed by traffic class
  42  * @tc_tsa: TSA Assignment table, indexed by traffic class
  43  * @prio_tc: priority assignment table mapping 8021Qp to traffic class
  44  * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV
  45  * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV
  46  * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV
  47  *
  48  * Recommended values are used to set fields in the ETS recommendation TLV
  49  * with hardware offloaded LLDP.
  50  *
  51  * ----
  52  *  TSA Assignment 8 bit identifiers
  53  *      0       strict priority
  54  *      1       credit-based shaper
  55  *      2       enhanced transmission selection
  56  *      3-254   reserved
  57  *      255     vendor specific
  58  */
  59 struct ieee_ets {
  60         __u8    willing;
  61         __u8    ets_cap;
  62         __u8    cbs;
  63         __u8    tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
  64         __u8    tc_rx_bw[IEEE_8021QAZ_MAX_TCS];
  65         __u8    tc_tsa[IEEE_8021QAZ_MAX_TCS];
  66         __u8    prio_tc[IEEE_8021QAZ_MAX_TCS];
  67         __u8    tc_reco_bw[IEEE_8021QAZ_MAX_TCS];
  68         __u8    tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];
  69         __u8    reco_prio_tc[IEEE_8021QAZ_MAX_TCS];
  70 };
  71
  72 /* This structure contains the IEEE 802.1Qaz PFC managed object
  73  *
  74  * @pfc_cap: Indicates the number of traffic classes on the local device
  75  *           that may simultaneously have PFC enabled.
  76  * @pfc_en: bitmap indicating pfc enabled traffic classes
  77  * @mbc: enable macsec bypass capability
  78  * @delay: the allowance made for a round-trip propagation delay of the
  79  *         link in bits.
  80  * @requests: count of the sent pfc frames
  81  * @indications: count of the received pfc frames
  82  */
  83 struct ieee_pfc {
  84         __u8    pfc_cap;
  85         __u8    pfc_en;
  86         __u8    mbc;
  87         __u16   delay;
  88         __u64   requests[IEEE_8021QAZ_MAX_TCS];
  89         __u64   indications[IEEE_8021QAZ_MAX_TCS];
  90 };
  91
  92 /* CEE DCBX std supported values */
  93 #define CEE_DCBX_MAX_PGS        8
  94 #define CEE_DCBX_MAX_PRIO       8
  95
  96 /**
  97  * struct cee_pg - CEE Priority-Group managed object
  98  *
  99  * @willing: willing bit in the PG tlv
 100  * @error: error bit in the PG tlv
 101  * @pg_en: enable bit of the PG feature
 102  * @tcs_supported: number of traffic classes supported
 103  * @pg_bw: bandwidth percentage for each priority group
 104  * @prio_pg: priority to PG mapping indexed by priority
 105  */
 106 struct cee_pg {
 107         __u8    willing;
 108         __u8    error;
 109         __u8    pg_en;
 110         __u8    tcs_supported;
 111         __u8    pg_bw[CEE_DCBX_MAX_PGS];
 112         __u8    prio_pg[CEE_DCBX_MAX_PGS];
 113 };
 114
 115 /**
 116  * struct cee_pfc - CEE PFC managed object
 117  *
 118  * @willing: willing bit in the PFC tlv
 119  * @error: error bit in the PFC tlv
 120  * @pfc_en: bitmap indicating pfc enabled traffic classes
 121  * @tcs_supported: number of traffic classes supported
 122  */
 123 struct cee_pfc {
 124         __u8    willing;
 125         __u8    error;
 126         __u8    pfc_en;
 127         __u8    tcs_supported;
 128 };
 129
 130 /* IEEE 802.1Qaz std supported values */
 131 #define IEEE_8021QAZ_APP_SEL_ETHERTYPE  1
 132 #define IEEE_8021QAZ_APP_SEL_STREAM     2
 133 #define IEEE_8021QAZ_APP_SEL_DGRAM      3
 134 #define IEEE_8021QAZ_APP_SEL_ANY        4
 135
 136 /* This structure contains the IEEE 802.1Qaz APP managed object. This
 137  * object is also used for the CEE std as well. There is no difference
 138  * between the objects.
 139  *
 140  * @selector: protocol identifier type
 141  * @protocol: protocol of type indicated
 142  * @priority: 3-bit unsigned integer indicating priority
 143  *
 144  * ----
 145  *  Selector field values
 146  *      0       Reserved
 147  *      1       Ethertype
 148  *      2       Well known port number over TCP or SCTP
 149  *      3       Well known port number over UDP or DCCP
 150  *      4       Well known port number over TCP, SCTP, UDP, or DCCP
 151  *      5-7     Reserved
 152  */
 153 struct dcb_app {
 154         __u8    selector;
 155         __u8    priority;
 156         __u16   protocol;
 157 };
 158
 159 /**
 160  * struct dcb_peer_app_info - APP feature information sent by the peer
 161  *
 162  * @willing: willing bit in the peer APP tlv
 163  * @error: error bit in the peer APP tlv
 164  *
 165  * In addition to this information the full peer APP tlv also contains
 166  * a table of 'app_count' APP objects defined above.
 167  */
 168 struct dcb_peer_app_info {
 169         __u8    willing;
 170         __u8    error;
 171 };
 172
 173 struct dcbmsg {
 174         __u8               dcb_family;
 175         __u8               cmd;
 176         __u16              dcb_pad;
 177 };
 178
 179 /**
 180  * enum dcbnl_commands - supported DCB commands
 181  *
 182  * @DCB_CMD_UNDEFINED: unspecified command to catch errors
 183  * @DCB_CMD_GSTATE: request the state of DCB in the device
 184  * @DCB_CMD_SSTATE: set the state of DCB in the device
 185  * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
 186  * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
 187  * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
 188  * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
 189  * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
 190  * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
 191  * @DCB_CMD_SET_ALL: apply all changes to the underlying device
 192  * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
 193  *                        device.  Only useful when using bonding.
 194  * @DCB_CMD_GCAP: request the DCB capabilities of the device
 195  * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
 196  * @DCB_CMD_SNUMTCS: set the number of traffic classes
 197  * @DCB_CMD_GBCN: set backward congestion notification configuration
 198  * @DCB_CMD_SBCN: get backward congestion notification configration.
 199  * @DCB_CMD_GAPP: get application protocol configuration
 200  * @DCB_CMD_SAPP: set application protocol configuration
 201  * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
 202  * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
 203  * @DCB_CMD_GDCBX: get DCBX engine configuration
 204  * @DCB_CMD_SDCBX: set DCBX engine configuration
 205  * @DCB_CMD_GFEATCFG: get DCBX features flags
 206  * @DCB_CMD_SFEATCFG: set DCBX features negotiation flags
 207  * @DCB_CMD_CEE_GET: get CEE aggregated configuration
 208  */
 209 enum dcbnl_commands {
 210         DCB_CMD_UNDEFINED,
 211
 212         DCB_CMD_GSTATE,
 213         DCB_CMD_SSTATE,
 214
 215         DCB_CMD_PGTX_GCFG,
 216         DCB_CMD_PGTX_SCFG,
 217         DCB_CMD_PGRX_GCFG,
 218         DCB_CMD_PGRX_SCFG,
 219
 220         DCB_CMD_PFC_GCFG,
 221         DCB_CMD_PFC_SCFG,
 222
 223         DCB_CMD_SET_ALL,
 224
 225         DCB_CMD_GPERM_HWADDR,
 226
 227         DCB_CMD_GCAP,
 228
 229         DCB_CMD_GNUMTCS,
 230         DCB_CMD_SNUMTCS,
 231
 232         DCB_CMD_PFC_GSTATE,
 233         DCB_CMD_PFC_SSTATE,
 234
 235         DCB_CMD_BCN_GCFG,
 236         DCB_CMD_BCN_SCFG,
 237
 238         DCB_CMD_GAPP,
 239         DCB_CMD_SAPP,
 240
 241         DCB_CMD_IEEE_SET,
 242         DCB_CMD_IEEE_GET,
 243
 244         DCB_CMD_GDCBX,
 245         DCB_CMD_SDCBX,
 246
 247         DCB_CMD_GFEATCFG,
 248         DCB_CMD_SFEATCFG,
 249
 250         DCB_CMD_CEE_GET,
 251
 252         __DCB_CMD_ENUM_MAX,
 253         DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
 254 };
 255
 256 /**
 257  * enum dcbnl_attrs - DCB top-level netlink attributes
 258  *
 259  * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
 260  * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
 261  * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
 262  * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
 263  * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
 264  * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
 265  * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
 266  * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
 267  * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
 268  * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
 269  * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
 270  * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
 271  * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
 272  * @DCB_ATTR_DCBX: DCBX engine configuration in the device (NLA_U8)
 273  * @DCB_ATTR_FEATCFG: DCBX features flags (NLA_NESTED)
 274  * @DCB_ATTR_CEE: CEE std supported attributes (NLA_NESTED)
 275  */
 276 enum dcbnl_attrs {
 277         DCB_ATTR_UNDEFINED,
 278
 279         DCB_ATTR_IFNAME,
 280         DCB_ATTR_STATE,
 281         DCB_ATTR_PFC_STATE,
 282         DCB_ATTR_PFC_CFG,
 283         DCB_ATTR_NUM_TC,
 284         DCB_ATTR_PG_CFG,
 285         DCB_ATTR_SET_ALL,
 286         DCB_ATTR_PERM_HWADDR,
 287         DCB_ATTR_CAP,
 288         DCB_ATTR_NUMTCS,
 289         DCB_ATTR_BCN,
 290         DCB_ATTR_APP,
 291
 292         /* IEEE std attributes */
 293         DCB_ATTR_IEEE,
 294
 295         DCB_ATTR_DCBX,
 296         DCB_ATTR_FEATCFG,
 297
 298         /* CEE nested attributes */
 299         DCB_ATTR_CEE,
 300
 301         __DCB_ATTR_ENUM_MAX,
 302         DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
 303 };
 304
 305 /**
 306  * enum ieee_attrs - IEEE 802.1Qaz get/set attributes
 307  *
 308  * @DCB_ATTR_IEEE_UNSPEC: unspecified
 309  * @DCB_ATTR_IEEE_ETS: negotiated ETS configuration
 310  * @DCB_ATTR_IEEE_PFC: negotiated PFC configuration
 311  * @DCB_ATTR_IEEE_APP_TABLE: negotiated APP configuration
 312  * @DCB_ATTR_IEEE_PEER_ETS: peer ETS configuration - get only
 313  * @DCB_ATTR_IEEE_PEER_PFC: peer PFC configuration - get only
 314  * @DCB_ATTR_IEEE_PEER_APP: peer APP tlv - get only
 315  */
 316 enum ieee_attrs {
 317         DCB_ATTR_IEEE_UNSPEC,
 318         DCB_ATTR_IEEE_ETS,
 319         DCB_ATTR_IEEE_PFC,
 320         DCB_ATTR_IEEE_APP_TABLE,
 321         DCB_ATTR_IEEE_PEER_ETS,
 322         DCB_ATTR_IEEE_PEER_PFC,
 323         DCB_ATTR_IEEE_PEER_APP,
 324         __DCB_ATTR_IEEE_MAX
 325 };
 326 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
 327
 328 enum ieee_attrs_app {
 329         DCB_ATTR_IEEE_APP_UNSPEC,
 330         DCB_ATTR_IEEE_APP,
 331         __DCB_ATTR_IEEE_APP_MAX
 332 };
 333 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
 334
 335 /**
 336  * enum cee_attrs - CEE DCBX get attributes
 337  *
 338  * @DCB_ATTR_CEE_UNSPEC: unspecified
 339  * @DCB_ATTR_CEE_PEER_PG: peer PG configuration - get only
 340  * @DCB_ATTR_CEE_PEER_PFC: peer PFC configuration - get only
 341  * @DCB_ATTR_CEE_PEER_APP: peer APP tlv - get only
 342  */
 343 enum cee_attrs {
 344         DCB_ATTR_CEE_UNSPEC,
 345         DCB_ATTR_CEE_PEER_PG,
 346         DCB_ATTR_CEE_PEER_PFC,
 347         DCB_ATTR_CEE_PEER_APP_TABLE,
 348         __DCB_ATTR_CEE_MAX
 349 };
 350 #define DCB_ATTR_CEE_MAX (__DCB_ATTR_CEE_MAX - 1)
 351
 352 enum peer_app_attr {
 353         DCB_ATTR_CEE_PEER_APP_UNSPEC,
 354         DCB_ATTR_CEE_PEER_APP_INFO,
 355         DCB_ATTR_CEE_PEER_APP,
 356         __DCB_ATTR_CEE_PEER_APP_MAX
 357 };
 358 #define DCB_ATTR_CEE_PEER_APP_MAX (__DCB_ATTR_CEE_PEER_APP_MAX - 1)
 359
 360 /**
 361  * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
 362  *
 363  * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
 364  * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
 365  * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
 366  * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
 367  * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
 368  * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
 369  * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
 370  * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
 371  * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
 372  * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
 373  * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
 374  *
 375  */
 376 enum dcbnl_pfc_up_attrs {
 377         DCB_PFC_UP_ATTR_UNDEFINED,
 378
 379         DCB_PFC_UP_ATTR_0,
 380         DCB_PFC_UP_ATTR_1,
 381         DCB_PFC_UP_ATTR_2,
 382         DCB_PFC_UP_ATTR_3,
 383         DCB_PFC_UP_ATTR_4,
 384         DCB_PFC_UP_ATTR_5,
 385         DCB_PFC_UP_ATTR_6,
 386         DCB_PFC_UP_ATTR_7,
 387         DCB_PFC_UP_ATTR_ALL,
 388
 389         __DCB_PFC_UP_ATTR_ENUM_MAX,
 390         DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
 391 };
 392
 393 /**
 394  * enum dcbnl_pg_attrs - DCB Priority Group attributes
 395  *
 396  * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
 397  * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
 398  * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
 399  * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
 400  * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
 401  * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
 402  * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
 403  * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
 404  * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
 405  * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
 406  * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
 407  * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
 408  * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
 409  * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
 410  * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
 411  * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
 412  * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
 413  * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
 414  * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
 415  * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
 416  * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
 417  *
 418  */
 419 enum dcbnl_pg_attrs {
 420         DCB_PG_ATTR_UNDEFINED,
 421
 422         DCB_PG_ATTR_TC_0,
 423         DCB_PG_ATTR_TC_1,
 424         DCB_PG_ATTR_TC_2,
 425         DCB_PG_ATTR_TC_3,
 426         DCB_PG_ATTR_TC_4,
 427         DCB_PG_ATTR_TC_5,
 428         DCB_PG_ATTR_TC_6,
 429         DCB_PG_ATTR_TC_7,
 430         DCB_PG_ATTR_TC_MAX,
 431         DCB_PG_ATTR_TC_ALL,
 432
 433         DCB_PG_ATTR_BW_ID_0,
 434         DCB_PG_ATTR_BW_ID_1,
 435         DCB_PG_ATTR_BW_ID_2,
 436         DCB_PG_ATTR_BW_ID_3,
 437         DCB_PG_ATTR_BW_ID_4,
 438         DCB_PG_ATTR_BW_ID_5,
 439         DCB_PG_ATTR_BW_ID_6,
 440         DCB_PG_ATTR_BW_ID_7,
 441         DCB_PG_ATTR_BW_ID_MAX,
 442         DCB_PG_ATTR_BW_ID_ALL,
 443
 444         __DCB_PG_ATTR_ENUM_MAX,
 445         DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
 446 };
 447
 448 /**
 449  * enum dcbnl_tc_attrs - DCB Traffic Class attributes
 450  *
 451  * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
 452  * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
 453  *                          Valid values are:  0-7
 454  * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
 455  *                                Some devices may not support changing the
 456  *                                user priority map of a TC.
 457  * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
 458  *                                 0 - none
 459  *                                 1 - group strict
 460  *                                 2 - link strict
 461  * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
 462  *                            not configured to use link strict priority,
 463  *                            this is the percentage of bandwidth of the
 464  *                            priority group this traffic class belongs to
 465  * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
 466  *
 467  */
 468 enum dcbnl_tc_attrs {
 469         DCB_TC_ATTR_PARAM_UNDEFINED,
 470
 471         DCB_TC_ATTR_PARAM_PGID,
 472         DCB_TC_ATTR_PARAM_UP_MAPPING,
 473         DCB_TC_ATTR_PARAM_STRICT_PRIO,
 474         DCB_TC_ATTR_PARAM_BW_PCT,
 475         DCB_TC_ATTR_PARAM_ALL,
 476
 477         __DCB_TC_ATTR_PARAM_ENUM_MAX,
 478         DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
 479 };
 480
 481 /**
 482  * enum dcbnl_cap_attrs - DCB Capability attributes
 483  *
 484  * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
 485  * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
 486  * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
 487  * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
 488  * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
 489  *                               traffic class mapping
 490  * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
 491  *                                number of traffic classes the device
 492  *                                can be configured to use for Priority Groups
 493  * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
 494  *                                 number of traffic classes the device can be
 495  *                                 configured to use for Priority Flow Control
 496  * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
 497  * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
 498  *                             Notification
 499  * @DCB_CAP_ATTR_DCBX: (NLA_U8) device supports DCBX engine
 500  *
 501  */
 502 enum dcbnl_cap_attrs {
 503         DCB_CAP_ATTR_UNDEFINED,
 504         DCB_CAP_ATTR_ALL,
 505         DCB_CAP_ATTR_PG,
 506         DCB_CAP_ATTR_PFC,
 507         DCB_CAP_ATTR_UP2TC,
 508         DCB_CAP_ATTR_PG_TCS,
 509         DCB_CAP_ATTR_PFC_TCS,
 510         DCB_CAP_ATTR_GSP,
 511         DCB_CAP_ATTR_BCN,
 512         DCB_CAP_ATTR_DCBX,
 513
 514         __DCB_CAP_ATTR_ENUM_MAX,
 515         DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
 516 };
 517
 518 /**
 519  * DCBX capability flags
 520  *
 521  * @DCB_CAP_DCBX_HOST: DCBX negotiation is performed by the host LLDP agent.
 522  *                     'set' routines are used to configure the device with
 523  *                     the negotiated parameters
 524  *
 525  * @DCB_CAP_DCBX_LLD_MANAGED: DCBX negotiation is not performed in the host but
 526  *                            by another entity
 527  *                            'get' routines are used to retrieve the
 528  *                            negotiated parameters
 529  *                            'set' routines can be used to set the initial
 530  *                            negotiation configuration
 531  *
 532  * @DCB_CAP_DCBX_VER_CEE: for a non-host DCBX engine, indicates the engine
 533  *                        supports the CEE protocol flavor
 534  *
 535  * @DCB_CAP_DCBX_VER_IEEE: for a non-host DCBX engine, indicates the engine
 536  *                         supports the IEEE protocol flavor
 537  *
 538  * @DCB_CAP_DCBX_STATIC: for a non-host DCBX engine, indicates the engine
 539  *                       supports static configuration (i.e no actual
 540  *                       negotiation is performed negotiated parameters equal
 541  *                       the initial configuration)
 542  *
 543  */
 544 #define DCB_CAP_DCBX_HOST               0x01
 545 #define DCB_CAP_DCBX_LLD_MANAGED        0x02
 546 #define DCB_CAP_DCBX_VER_CEE            0x04
 547 #define DCB_CAP_DCBX_VER_IEEE           0x08
 548 #define DCB_CAP_DCBX_STATIC             0x10
 549
 550 /**
 551  * enum dcbnl_numtcs_attrs - number of traffic classes
 552  *
 553  * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
 554  * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
 555  * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
 556  *                               priority groups
 557  * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
 558  *                                support priority flow control
 559  */
 560 enum dcbnl_numtcs_attrs {
 561         DCB_NUMTCS_ATTR_UNDEFINED,
 562         DCB_NUMTCS_ATTR_ALL,
 563         DCB_NUMTCS_ATTR_PG,
 564         DCB_NUMTCS_ATTR_PFC,
 565
 566         __DCB_NUMTCS_ATTR_ENUM_MAX,
 567         DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
 568 };
 569
 570 enum dcbnl_bcn_attrs{
 571         DCB_BCN_ATTR_UNDEFINED = 0,
 572
 573         DCB_BCN_ATTR_RP_0,
 574         DCB_BCN_ATTR_RP_1,
 575         DCB_BCN_ATTR_RP_2,
 576         DCB_BCN_ATTR_RP_3,
 577         DCB_BCN_ATTR_RP_4,
 578         DCB_BCN_ATTR_RP_5,
 579         DCB_BCN_ATTR_RP_6,
 580         DCB_BCN_ATTR_RP_7,
 581         DCB_BCN_ATTR_RP_ALL,
 582
 583         DCB_BCN_ATTR_BCNA_0,
 584         DCB_BCN_ATTR_BCNA_1,
 585         DCB_BCN_ATTR_ALPHA,
 586         DCB_BCN_ATTR_BETA,
 587         DCB_BCN_ATTR_GD,
 588         DCB_BCN_ATTR_GI,
 589         DCB_BCN_ATTR_TMAX,
 590         DCB_BCN_ATTR_TD,
 591         DCB_BCN_ATTR_RMIN,
 592         DCB_BCN_ATTR_W,
 593         DCB_BCN_ATTR_RD,
 594         DCB_BCN_ATTR_RU,
 595         DCB_BCN_ATTR_WRTT,
 596         DCB_BCN_ATTR_RI,
 597         DCB_BCN_ATTR_C,
 598         DCB_BCN_ATTR_ALL,
 599
 600         __DCB_BCN_ATTR_ENUM_MAX,
 601         DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
 602 };
 603
 604 /**
 605  * enum dcb_general_attr_values - general DCB attribute values
 606  *
 607  * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
 608  *
 609  */
 610 enum dcb_general_attr_values {
 611         DCB_ATTR_VALUE_UNDEFINED = 0xff
 612 };
 613
 614 #define DCB_APP_IDTYPE_ETHTYPE  0x00
 615 #define DCB_APP_IDTYPE_PORTNUM  0x01
 616 enum dcbnl_app_attrs {
 617         DCB_APP_ATTR_UNDEFINED,
 618
 619         DCB_APP_ATTR_IDTYPE,
 620         DCB_APP_ATTR_ID,
 621         DCB_APP_ATTR_PRIORITY,
 622
 623         __DCB_APP_ATTR_ENUM_MAX,
 624         DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
 625 };
 626
 627 /**
 628  * enum dcbnl_featcfg_attrs - features conifiguration flags
 629  *
 630  * @DCB_FEATCFG_ATTR_UNDEFINED: unspecified attribute to catch errors
 631  * @DCB_FEATCFG_ATTR_ALL: (NLA_FLAG) all features configuration attributes
 632  * @DCB_FEATCFG_ATTR_PG: (NLA_U8) configuration flags for priority groups
 633  * @DCB_FEATCFG_ATTR_PFC: (NLA_U8) configuration flags for priority
 634  *                                 flow control
 635  * @DCB_FEATCFG_ATTR_APP: (NLA_U8) configuration flags for application TLV
 636  *
 637  */
 638 #define DCB_FEATCFG_ERROR       0x01    /* error in feature resolution */
 639 #define DCB_FEATCFG_ENABLE      0x02    /* enable feature */
 640 #define DCB_FEATCFG_WILLING     0x04    /* feature is willing */
 641 #define DCB_FEATCFG_ADVERTISE   0x08    /* advertise feature */
 642 enum dcbnl_featcfg_attrs {
 643         DCB_FEATCFG_ATTR_UNDEFINED,
 644         DCB_FEATCFG_ATTR_ALL,
 645         DCB_FEATCFG_ATTR_PG,
 646         DCB_FEATCFG_ATTR_PFC,
 647         DCB_FEATCFG_ATTR_APP,
 648
 649         __DCB_FEATCFG_ATTR_ENUM_MAX,
 650         DCB_FEATCFG_ATTR_MAX = __DCB_FEATCFG_ATTR_ENUM_MAX - 1,
 651 };
 652
 653 #endif /* __LINUX_DCBNL_H__ */