gems-kernel/source/THIRDPARTY/xnu/bsd/net/classq/classq_red.h
2024-06-03 11:29:39 -05:00

92 lines
3.5 KiB
C

/*
* Copyright (c) 2011-2016 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
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* circumvent, violate, or enable the circumvention or violation of, any
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*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
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/* $NetBSD: altq_red.h,v 1.5 2006/10/12 19:59:08 peter Exp $ */
/* $KAME: altq_red.h,v 1.8 2003/07/10 12:07:49 kjc Exp $ */
/*
* Copyright (C) 1997-2003
* Sony Computer Science Laboratories Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _NET_CLASSQ_CLASSQ_RED_H_
#define _NET_CLASSQ_CLASSQ_RED_H_
#ifdef PRIVATE
#ifdef BSD_KERNEL_PRIVATE
#include <net/classq/if_classq.h>
#endif /* BSD_KERNEL_PRIVATE */
#ifdef __cplusplus
extern "C" {
#endif
/*
* simpler versions of red parameters and statistics used by other
* disciplines (e.g., CBQ)
*/
struct redparams {
int th_min; /* red min threshold */
int th_max; /* red max threshold */
int inv_pmax; /* inverse of max drop probability */
};
struct red_stats {
int32_t q_avg;
u_int32_t _pad;
u_int32_t drop_forced;
u_int32_t drop_unforced;
u_int32_t marked_packets;
};
#ifdef __cplusplus
}
#endif
#endif /* PRIVATE */
#endif /* _NET_CLASSQ_CLASSQ_RED_H_ */