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      1 /*
      2  * Copyright (C) 1999-2013, Broadcom Corporation
      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 382882 2013-02-04 23:24:31Z $
     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__ */
     45