/*
 * Copyright (C) 1999-2013, Broadcom Corporation
 * 
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Fundamental types and constants relating to 802.1D
 *
 * $Id: 802.1d.h 382882 2013-02-04 23:24:31Z $
 */

#ifndef _802_1_D_
#define _802_1_D_

/* 802.1D priority defines */
#define	PRIO_8021D_NONE		2	/* None = - */
#define	PRIO_8021D_BK		1	/* BK - Background */
#define	PRIO_8021D_BE		0	/* BE - Best-effort */
#define	PRIO_8021D_EE		3	/* EE - Excellent-effort */
#define	PRIO_8021D_CL		4	/* CL - Controlled Load */
#define	PRIO_8021D_VI		5	/* Vi - Video */
#define	PRIO_8021D_VO		6	/* Vo - Voice */
#define	PRIO_8021D_NC		7	/* NC - Network Control */
#define	MAXPRIO			7	/* 0-7 */
#define NUMPRIO			(MAXPRIO + 1)

#define ALLPRIO		-1	/* All prioirty */

/* Converts prio to precedence since the numerical value of
 * PRIO_8021D_BE and PRIO_8021D_NONE are swapped.
 */
#define PRIO2PREC(prio) \
	(((prio) == PRIO_8021D_NONE || (prio) == PRIO_8021D_BE) ? ((prio^2)) : (prio))

#endif /* _802_1_D__ */