include/linux/dcbnl.h

   1 /*
   2  * Copyright (c) 2008, 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 /* This structure contains the IEEE 802.1Qaz ETS managed object
  29  *
  30  * @willing: willing bit in ETS configuratin TLV
  31  * @ets_cap: indicates supported capacity of ets feature
  32  * @cbs: credit based shaper ets algorithm supported
  33  * @tc_tx_bw: tc tx bandwidth indexed by traffic class
  34  * @tc_rx_bw: tc rx bandwidth indexed by traffic class
  35  * @tc_tsa: TSA Assignment table, indexed by traffic class
  36  * @prio_tc: priority assignment table mapping 8021Qp to traffic class
  37  * @tc_reco_bw: recommended tc bandwidth indexed by traffic class for TLV
  38  * @tc_reco_tsa: recommended tc bandwidth indexed by traffic class for TLV
  39  * @reco_prio_tc: recommended tc tx bandwidth indexed by traffic class for TLV
  40  *
  41  * Recommended values are used to set fields in the ETS recommendation TLV
  42  * with hardware offloaded LLDP.
  43  *
  44  * ----
  45  *  TSA Assignment 8 bit identifiers
  46  *      0       strict priority
  47  *      1       credit-based shaper
  48  *      2       enhanced transmission selection
  49  *      3-254   reserved
  50  *      255     vendor specific
  51  */
  52 struct ieee_ets {
  53         __u8    willing;
  54         __u8    ets_cap;
  55         __u8    cbs;
  56         __u8    tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
  57         __u8    tc_rx_bw[IEEE_8021QAZ_MAX_TCS];
  58         __u8    tc_tsa[IEEE_8021QAZ_MAX_TCS];
  59         __u8    prio_tc[IEEE_8021QAZ_MAX_TCS];
  60         __u8    tc_reco_bw[IEEE_8021QAZ_MAX_TCS];
  61         __u8    tc_reco_tsa[IEEE_8021QAZ_MAX_TCS];
  62         __u8    reco_prio_tc[IEEE_8021QAZ_MAX_TCS];
  63 };
  64
  65 /* This structure contains the IEEE 802.1Qaz PFC managed object
  66  *
  67  * @pfc_cap: Indicates the number of traffic classes on the local device
  68  *           that may simultaneously have PFC enabled.
  69  * @pfc_en: bitmap indicating pfc enabled traffic classes
  70  * @mbc: enable macsec bypass capability
  71  * @delay: the allowance made for a round-trip propagation delay of the
  72  *         link in bits.
  73  * @requests: count of the sent pfc frames
  74  * @indications: count of the received pfc frames
  75  */
  76 struct ieee_pfc {
  77         __u8    pfc_cap;
  78         __u8    pfc_en;
  79         __u8    mbc;
  80         __u16   delay;
  81         __u64   requests[IEEE_8021QAZ_MAX_TCS];
  82         __u64   indications[IEEE_8021QAZ_MAX_TCS];
  83 };
  84
  85 /* This structure contains the IEEE 802.1Qaz APP managed object. This
  86  * object is also used for the CEE std as well. There is no difference
  87  * between the objects.
  88  *
  89  * @selector: protocol identifier type
  90  * @protocol: protocol of type indicated
  91  * @priority: 3-bit unsigned integer indicating priority
  92  *
  93  * ----
  94  *  Selector field values
  95  *      0       Reserved
  96  *      1       Ethertype
  97  *      2       Well known port number over TCP or SCTP
  98  *      3       Well known port number over UDP or DCCP
  99  *      4       Well known port number over TCP, SCTP, UDP, or DCCP
 100  *      5-7     Reserved
 101  */
 102 struct dcb_app {
 103         __u8    selector;
 104         __u32   protocol;
 105         __u8    priority;
 106 };
 107
 108 struct dcbmsg {
 109         __u8               dcb_family;
 110         __u8               cmd;
 111         __u16              dcb_pad;
 112 };
 113
 114 /**
 115  * enum dcbnl_commands - supported DCB commands
 116  *
 117  * @DCB_CMD_UNDEFINED: unspecified command to catch errors
 118  * @DCB_CMD_GSTATE: request the state of DCB in the device
 119  * @DCB_CMD_SSTATE: set the state of DCB in the device
 120  * @DCB_CMD_PGTX_GCFG: request the priority group configuration for Tx
 121  * @DCB_CMD_PGTX_SCFG: set the priority group configuration for Tx
 122  * @DCB_CMD_PGRX_GCFG: request the priority group configuration for Rx
 123  * @DCB_CMD_PGRX_SCFG: set the priority group configuration for Rx
 124  * @DCB_CMD_PFC_GCFG: request the priority flow control configuration
 125  * @DCB_CMD_PFC_SCFG: set the priority flow control configuration
 126  * @DCB_CMD_SET_ALL: apply all changes to the underlying device
 127  * @DCB_CMD_GPERM_HWADDR: get the permanent MAC address of the underlying
 128  *                        device.  Only useful when using bonding.
 129  * @DCB_CMD_GCAP: request the DCB capabilities of the device
 130  * @DCB_CMD_GNUMTCS: get the number of traffic classes currently supported
 131  * @DCB_CMD_SNUMTCS: set the number of traffic classes
 132  * @DCB_CMD_GBCN: set backward congestion notification configuration
 133  * @DCB_CMD_SBCN: get backward congestion notification configration.
 134  * @DCB_CMD_GAPP: get application protocol configuration
 135  * @DCB_CMD_SAPP: set application protocol configuration
 136  * @DCB_CMD_IEEE_SET: set IEEE 802.1Qaz configuration
 137  * @DCB_CMD_IEEE_GET: get IEEE 802.1Qaz configuration
 138  */
 139 enum dcbnl_commands {
 140         DCB_CMD_UNDEFINED,
 141
 142         DCB_CMD_GSTATE,
 143         DCB_CMD_SSTATE,
 144
 145         DCB_CMD_PGTX_GCFG,
 146         DCB_CMD_PGTX_SCFG,
 147         DCB_CMD_PGRX_GCFG,
 148         DCB_CMD_PGRX_SCFG,
 149
 150         DCB_CMD_PFC_GCFG,
 151         DCB_CMD_PFC_SCFG,
 152
 153         DCB_CMD_SET_ALL,
 154
 155         DCB_CMD_GPERM_HWADDR,
 156
 157         DCB_CMD_GCAP,
 158
 159         DCB_CMD_GNUMTCS,
 160         DCB_CMD_SNUMTCS,
 161
 162         DCB_CMD_PFC_GSTATE,
 163         DCB_CMD_PFC_SSTATE,
 164
 165         DCB_CMD_BCN_GCFG,
 166         DCB_CMD_BCN_SCFG,
 167
 168         DCB_CMD_GAPP,
 169         DCB_CMD_SAPP,
 170
 171         DCB_CMD_IEEE_SET,
 172         DCB_CMD_IEEE_GET,
 173
 174         __DCB_CMD_ENUM_MAX,
 175         DCB_CMD_MAX = __DCB_CMD_ENUM_MAX - 1,
 176 };
 177
 178 /**
 179  * enum dcbnl_attrs - DCB top-level netlink attributes
 180  *
 181  * @DCB_ATTR_UNDEFINED: unspecified attribute to catch errors
 182  * @DCB_ATTR_IFNAME: interface name of the underlying device (NLA_STRING)
 183  * @DCB_ATTR_STATE: enable state of DCB in the device (NLA_U8)
 184  * @DCB_ATTR_PFC_STATE: enable state of PFC in the device (NLA_U8)
 185  * @DCB_ATTR_PFC_CFG: priority flow control configuration (NLA_NESTED)
 186  * @DCB_ATTR_NUM_TC: number of traffic classes supported in the device (NLA_U8)
 187  * @DCB_ATTR_PG_CFG: priority group configuration (NLA_NESTED)
 188  * @DCB_ATTR_SET_ALL: bool to commit changes to hardware or not (NLA_U8)
 189  * @DCB_ATTR_PERM_HWADDR: MAC address of the physical device (NLA_NESTED)
 190  * @DCB_ATTR_CAP: DCB capabilities of the device (NLA_NESTED)
 191  * @DCB_ATTR_NUMTCS: number of traffic classes supported (NLA_NESTED)
 192  * @DCB_ATTR_BCN: backward congestion notification configuration (NLA_NESTED)
 193  * @DCB_ATTR_IEEE: IEEE 802.1Qaz supported attributes (NLA_NESTED)
 194  */
 195 enum dcbnl_attrs {
 196         DCB_ATTR_UNDEFINED,
 197
 198         DCB_ATTR_IFNAME,
 199         DCB_ATTR_STATE,
 200         DCB_ATTR_PFC_STATE,
 201         DCB_ATTR_PFC_CFG,
 202         DCB_ATTR_NUM_TC,
 203         DCB_ATTR_PG_CFG,
 204         DCB_ATTR_SET_ALL,
 205         DCB_ATTR_PERM_HWADDR,
 206         DCB_ATTR_CAP,
 207         DCB_ATTR_NUMTCS,
 208         DCB_ATTR_BCN,
 209         DCB_ATTR_APP,
 210
 211         /* IEEE std attributes */
 212         DCB_ATTR_IEEE,
 213
 214         __DCB_ATTR_ENUM_MAX,
 215         DCB_ATTR_MAX = __DCB_ATTR_ENUM_MAX - 1,
 216 };
 217
 218 enum ieee_attrs {
 219         DCB_ATTR_IEEE_UNSPEC,
 220         DCB_ATTR_IEEE_ETS,
 221         DCB_ATTR_IEEE_PFC,
 222         DCB_ATTR_IEEE_APP_TABLE,
 223         __DCB_ATTR_IEEE_MAX
 224 };
 225 #define DCB_ATTR_IEEE_MAX (__DCB_ATTR_IEEE_MAX - 1)
 226
 227 enum ieee_attrs_app {
 228         DCB_ATTR_IEEE_APP_UNSPEC,
 229         DCB_ATTR_IEEE_APP,
 230         __DCB_ATTR_IEEE_APP_MAX
 231 };
 232 #define DCB_ATTR_IEEE_APP_MAX (__DCB_ATTR_IEEE_APP_MAX - 1)
 233
 234 /**
 235  * enum dcbnl_pfc_attrs - DCB Priority Flow Control user priority nested attrs
 236  *
 237  * @DCB_PFC_UP_ATTR_UNDEFINED: unspecified attribute to catch errors
 238  * @DCB_PFC_UP_ATTR_0: Priority Flow Control value for User Priority 0 (NLA_U8)
 239  * @DCB_PFC_UP_ATTR_1: Priority Flow Control value for User Priority 1 (NLA_U8)
 240  * @DCB_PFC_UP_ATTR_2: Priority Flow Control value for User Priority 2 (NLA_U8)
 241  * @DCB_PFC_UP_ATTR_3: Priority Flow Control value for User Priority 3 (NLA_U8)
 242  * @DCB_PFC_UP_ATTR_4: Priority Flow Control value for User Priority 4 (NLA_U8)
 243  * @DCB_PFC_UP_ATTR_5: Priority Flow Control value for User Priority 5 (NLA_U8)
 244  * @DCB_PFC_UP_ATTR_6: Priority Flow Control value for User Priority 6 (NLA_U8)
 245  * @DCB_PFC_UP_ATTR_7: Priority Flow Control value for User Priority 7 (NLA_U8)
 246  * @DCB_PFC_UP_ATTR_MAX: highest attribute number currently defined
 247  * @DCB_PFC_UP_ATTR_ALL: apply to all priority flow control attrs (NLA_FLAG)
 248  *
 249  */
 250 enum dcbnl_pfc_up_attrs {
 251         DCB_PFC_UP_ATTR_UNDEFINED,
 252
 253         DCB_PFC_UP_ATTR_0,
 254         DCB_PFC_UP_ATTR_1,
 255         DCB_PFC_UP_ATTR_2,
 256         DCB_PFC_UP_ATTR_3,
 257         DCB_PFC_UP_ATTR_4,
 258         DCB_PFC_UP_ATTR_5,
 259         DCB_PFC_UP_ATTR_6,
 260         DCB_PFC_UP_ATTR_7,
 261         DCB_PFC_UP_ATTR_ALL,
 262
 263         __DCB_PFC_UP_ATTR_ENUM_MAX,
 264         DCB_PFC_UP_ATTR_MAX = __DCB_PFC_UP_ATTR_ENUM_MAX - 1,
 265 };
 266
 267 /**
 268  * enum dcbnl_pg_attrs - DCB Priority Group attributes
 269  *
 270  * @DCB_PG_ATTR_UNDEFINED: unspecified attribute to catch errors
 271  * @DCB_PG_ATTR_TC_0: Priority Group Traffic Class 0 configuration (NLA_NESTED)
 272  * @DCB_PG_ATTR_TC_1: Priority Group Traffic Class 1 configuration (NLA_NESTED)
 273  * @DCB_PG_ATTR_TC_2: Priority Group Traffic Class 2 configuration (NLA_NESTED)
 274  * @DCB_PG_ATTR_TC_3: Priority Group Traffic Class 3 configuration (NLA_NESTED)
 275  * @DCB_PG_ATTR_TC_4: Priority Group Traffic Class 4 configuration (NLA_NESTED)
 276  * @DCB_PG_ATTR_TC_5: Priority Group Traffic Class 5 configuration (NLA_NESTED)
 277  * @DCB_PG_ATTR_TC_6: Priority Group Traffic Class 6 configuration (NLA_NESTED)
 278  * @DCB_PG_ATTR_TC_7: Priority Group Traffic Class 7 configuration (NLA_NESTED)
 279  * @DCB_PG_ATTR_TC_MAX: highest attribute number currently defined
 280  * @DCB_PG_ATTR_TC_ALL: apply to all traffic classes (NLA_NESTED)
 281  * @DCB_PG_ATTR_BW_ID_0: Percent of link bandwidth for Priority Group 0 (NLA_U8)
 282  * @DCB_PG_ATTR_BW_ID_1: Percent of link bandwidth for Priority Group 1 (NLA_U8)
 283  * @DCB_PG_ATTR_BW_ID_2: Percent of link bandwidth for Priority Group 2 (NLA_U8)
 284  * @DCB_PG_ATTR_BW_ID_3: Percent of link bandwidth for Priority Group 3 (NLA_U8)
 285  * @DCB_PG_ATTR_BW_ID_4: Percent of link bandwidth for Priority Group 4 (NLA_U8)
 286  * @DCB_PG_ATTR_BW_ID_5: Percent of link bandwidth for Priority Group 5 (NLA_U8)
 287  * @DCB_PG_ATTR_BW_ID_6: Percent of link bandwidth for Priority Group 6 (NLA_U8)
 288  * @DCB_PG_ATTR_BW_ID_7: Percent of link bandwidth for Priority Group 7 (NLA_U8)
 289  * @DCB_PG_ATTR_BW_ID_MAX: highest attribute number currently defined
 290  * @DCB_PG_ATTR_BW_ID_ALL: apply to all priority groups (NLA_FLAG)
 291  *
 292  */
 293 enum dcbnl_pg_attrs {
 294         DCB_PG_ATTR_UNDEFINED,
 295
 296         DCB_PG_ATTR_TC_0,
 297         DCB_PG_ATTR_TC_1,
 298         DCB_PG_ATTR_TC_2,
 299         DCB_PG_ATTR_TC_3,
 300         DCB_PG_ATTR_TC_4,
 301         DCB_PG_ATTR_TC_5,
 302         DCB_PG_ATTR_TC_6,
 303         DCB_PG_ATTR_TC_7,
 304         DCB_PG_ATTR_TC_MAX,
 305         DCB_PG_ATTR_TC_ALL,
 306
 307         DCB_PG_ATTR_BW_ID_0,
 308         DCB_PG_ATTR_BW_ID_1,
 309         DCB_PG_ATTR_BW_ID_2,
 310         DCB_PG_ATTR_BW_ID_3,
 311         DCB_PG_ATTR_BW_ID_4,
 312         DCB_PG_ATTR_BW_ID_5,
 313         DCB_PG_ATTR_BW_ID_6,
 314         DCB_PG_ATTR_BW_ID_7,
 315         DCB_PG_ATTR_BW_ID_MAX,
 316         DCB_PG_ATTR_BW_ID_ALL,
 317
 318         __DCB_PG_ATTR_ENUM_MAX,
 319         DCB_PG_ATTR_MAX = __DCB_PG_ATTR_ENUM_MAX - 1,
 320 };
 321
 322 /**
 323  * enum dcbnl_tc_attrs - DCB Traffic Class attributes
 324  *
 325  * @DCB_TC_ATTR_PARAM_UNDEFINED: unspecified attribute to catch errors
 326  * @DCB_TC_ATTR_PARAM_PGID: (NLA_U8) Priority group the traffic class belongs to
 327  *                          Valid values are:  0-7
 328  * @DCB_TC_ATTR_PARAM_UP_MAPPING: (NLA_U8) Traffic class to user priority map
 329  *                                Some devices may not support changing the
 330  *                                user priority map of a TC.
 331  * @DCB_TC_ATTR_PARAM_STRICT_PRIO: (NLA_U8) Strict priority setting
 332  *                                 0 - none
 333  *                                 1 - group strict
 334  *                                 2 - link strict
 335  * @DCB_TC_ATTR_PARAM_BW_PCT: optional - (NLA_U8) If supported by the device and
 336  *                            not configured to use link strict priority,
 337  *                            this is the percentage of bandwidth of the
 338  *                            priority group this traffic class belongs to
 339  * @DCB_TC_ATTR_PARAM_ALL: (NLA_FLAG) all traffic class parameters
 340  *
 341  */
 342 enum dcbnl_tc_attrs {
 343         DCB_TC_ATTR_PARAM_UNDEFINED,
 344
 345         DCB_TC_ATTR_PARAM_PGID,
 346         DCB_TC_ATTR_PARAM_UP_MAPPING,
 347         DCB_TC_ATTR_PARAM_STRICT_PRIO,
 348         DCB_TC_ATTR_PARAM_BW_PCT,
 349         DCB_TC_ATTR_PARAM_ALL,
 350
 351         __DCB_TC_ATTR_PARAM_ENUM_MAX,
 352         DCB_TC_ATTR_PARAM_MAX = __DCB_TC_ATTR_PARAM_ENUM_MAX - 1,
 353 };
 354
 355 /**
 356  * enum dcbnl_cap_attrs - DCB Capability attributes
 357  *
 358  * @DCB_CAP_ATTR_UNDEFINED: unspecified attribute to catch errors
 359  * @DCB_CAP_ATTR_ALL: (NLA_FLAG) all capability parameters
 360  * @DCB_CAP_ATTR_PG: (NLA_U8) device supports Priority Groups
 361  * @DCB_CAP_ATTR_PFC: (NLA_U8) device supports Priority Flow Control
 362  * @DCB_CAP_ATTR_UP2TC: (NLA_U8) device supports user priority to
 363  *                               traffic class mapping
 364  * @DCB_CAP_ATTR_PG_TCS: (NLA_U8) bitmap where each bit represents a
 365  *                                number of traffic classes the device
 366  *                                can be configured to use for Priority Groups
 367  * @DCB_CAP_ATTR_PFC_TCS: (NLA_U8) bitmap where each bit represents a
 368  *                                 number of traffic classes the device can be
 369  *                                 configured to use for Priority Flow Control
 370  * @DCB_CAP_ATTR_GSP: (NLA_U8) device supports group strict priority
 371  * @DCB_CAP_ATTR_BCN: (NLA_U8) device supports Backwards Congestion
 372  *                             Notification
 373  */
 374 enum dcbnl_cap_attrs {
 375         DCB_CAP_ATTR_UNDEFINED,
 376         DCB_CAP_ATTR_ALL,
 377         DCB_CAP_ATTR_PG,
 378         DCB_CAP_ATTR_PFC,
 379         DCB_CAP_ATTR_UP2TC,
 380         DCB_CAP_ATTR_PG_TCS,
 381         DCB_CAP_ATTR_PFC_TCS,
 382         DCB_CAP_ATTR_GSP,
 383         DCB_CAP_ATTR_BCN,
 384
 385         __DCB_CAP_ATTR_ENUM_MAX,
 386         DCB_CAP_ATTR_MAX = __DCB_CAP_ATTR_ENUM_MAX - 1,
 387 };
 388
 389 /**
 390  * enum dcbnl_numtcs_attrs - number of traffic classes
 391  *
 392  * @DCB_NUMTCS_ATTR_UNDEFINED: unspecified attribute to catch errors
 393  * @DCB_NUMTCS_ATTR_ALL: (NLA_FLAG) all traffic class attributes
 394  * @DCB_NUMTCS_ATTR_PG: (NLA_U8) number of traffic classes used for
 395  *                               priority groups
 396  * @DCB_NUMTCS_ATTR_PFC: (NLA_U8) number of traffic classes which can
 397  *                                support priority flow control
 398  */
 399 enum dcbnl_numtcs_attrs {
 400         DCB_NUMTCS_ATTR_UNDEFINED,
 401         DCB_NUMTCS_ATTR_ALL,
 402         DCB_NUMTCS_ATTR_PG,
 403         DCB_NUMTCS_ATTR_PFC,
 404
 405         __DCB_NUMTCS_ATTR_ENUM_MAX,
 406         DCB_NUMTCS_ATTR_MAX = __DCB_NUMTCS_ATTR_ENUM_MAX - 1,
 407 };
 408
 409 enum dcbnl_bcn_attrs{
 410         DCB_BCN_ATTR_UNDEFINED = 0,
 411
 412         DCB_BCN_ATTR_RP_0,
 413         DCB_BCN_ATTR_RP_1,
 414         DCB_BCN_ATTR_RP_2,
 415         DCB_BCN_ATTR_RP_3,
 416         DCB_BCN_ATTR_RP_4,
 417         DCB_BCN_ATTR_RP_5,
 418         DCB_BCN_ATTR_RP_6,
 419         DCB_BCN_ATTR_RP_7,
 420         DCB_BCN_ATTR_RP_ALL,
 421
 422         DCB_BCN_ATTR_BCNA_0,
 423         DCB_BCN_ATTR_BCNA_1,
 424         DCB_BCN_ATTR_ALPHA,
 425         DCB_BCN_ATTR_BETA,
 426         DCB_BCN_ATTR_GD,
 427         DCB_BCN_ATTR_GI,
 428         DCB_BCN_ATTR_TMAX,
 429         DCB_BCN_ATTR_TD,
 430         DCB_BCN_ATTR_RMIN,
 431         DCB_BCN_ATTR_W,
 432         DCB_BCN_ATTR_RD,
 433         DCB_BCN_ATTR_RU,
 434         DCB_BCN_ATTR_WRTT,
 435         DCB_BCN_ATTR_RI,
 436         DCB_BCN_ATTR_C,
 437         DCB_BCN_ATTR_ALL,
 438
 439         __DCB_BCN_ATTR_ENUM_MAX,
 440         DCB_BCN_ATTR_MAX = __DCB_BCN_ATTR_ENUM_MAX - 1,
 441 };
 442
 443 /**
 444  * enum dcb_general_attr_values - general DCB attribute values
 445  *
 446  * @DCB_ATTR_UNDEFINED: value used to indicate an attribute is not supported
 447  *
 448  */
 449 enum dcb_general_attr_values {
 450         DCB_ATTR_VALUE_UNDEFINED = 0xff
 451 };
 452
 453 #define DCB_APP_IDTYPE_ETHTYPE  0x00
 454 #define DCB_APP_IDTYPE_PORTNUM  0x01
 455 enum dcbnl_app_attrs {
 456         DCB_APP_ATTR_UNDEFINED,
 457
 458         DCB_APP_ATTR_IDTYPE,
 459         DCB_APP_ATTR_ID,
 460         DCB_APP_ATTR_PRIORITY,
 461
 462         __DCB_APP_ATTR_ENUM_MAX,
 463         DCB_APP_ATTR_MAX = __DCB_APP_ATTR_ENUM_MAX - 1,
 464 };
 465
 466 #endif /* __LINUX_DCBNL_H__ */