release/src-rt-6.x.4708/include/proto/802.1d.h

   1 /*
   2  * Copyright (C) 2012, Broadcom Corporation. All Rights Reserved.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  *
  16  * Fundamental types and constants relating to 802.1D
  17  *
  18  * $Id: 802.1d.h 241182 2011-02-17 21:50:03Z $
  19  */
  20
  21 #ifndef _802_1_D_
  22 #define _802_1_D_
  23
  24 /* 802.1D priority defines */
  25 #define PRIO_8021D_NONE         2       /* None = - */
  26 #define PRIO_8021D_BK           1       /* BK - Background */
  27 #define PRIO_8021D_BE           0       /* BE - Best-effort */
  28 #define PRIO_8021D_EE           3       /* EE - Excellent-effort */
  29 #define PRIO_8021D_CL           4       /* CL - Controlled Load */
  30 #define PRIO_8021D_VI           5       /* Vi - Video */
  31 #define PRIO_8021D_VO           6       /* Vo - Voice */
  32 #define PRIO_8021D_NC           7       /* NC - Network Control */
  33 #define MAXPRIO                 7       /* 0-7 */
  34 #define NUMPRIO                 (MAXPRIO + 1)
  35
  36 #define ALLPRIO         -1      /* All prioirty */
  37
  38 /* Converts prio to precedence since the numerical value of
  39  * PRIO_8021D_BE and PRIO_8021D_NONE are swapped.
  40  */
  41 #define PRIO2PREC(prio) \
  42         (((prio) == PRIO_8021D_NONE || (prio) == PRIO_8021D_BE) ? ((prio^2)) : (prio))
  43
  44 #endif /* _802_1_D__ */