181 lines
7.2 KiB
C
181 lines
7.2 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,
|
||
|
|
* unlawful or unlicensed copies of an Apple operating system, or to
|
||
|
|
* circumvent, violate, or enable the circumvention or violation of, any
|
||
|
|
* terms of an Apple operating system software license agreement.
|
||
|
|
*
|
||
|
|
* Please obtain a copy of the License at
|
||
|
|
* http://www.opensource.apple.com/apsl/ and read it before using this file.
|
||
|
|
*
|
||
|
|
* The Original Code and all software distributed under the License are
|
||
|
|
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
|
||
|
|
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
|
||
|
|
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
|
||
|
|
* Please see the License for the specific language governing rights and
|
||
|
|
* limitations under the License.
|
||
|
|
*
|
||
|
|
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* $NetBSD: altq_hfsc.h,v 1.8 2006/10/12 19:59:08 peter Exp $ */
|
||
|
|
/* $KAME: altq_hfsc.h,v 1.12 2003/12/05 05:40:46 kjc Exp $ */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright (c) 1997-1999 Carnegie Mellon University. All Rights Reserved.
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, and distribute this software and
|
||
|
|
* its documentation is hereby granted (including for commercial or
|
||
|
|
* for-profit use), provided that both the copyright notice and this
|
||
|
|
* permission notice appear in all copies of the software, derivative
|
||
|
|
* works, or modified versions, and any portions thereof.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS EXPERIMENTAL AND IS KNOWN TO HAVE BUGS, SOME OF
|
||
|
|
* WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON PROVIDES THIS
|
||
|
|
* SOFTWARE IN ITS ``AS IS'' CONDITION, 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 CARNEGIE MELLON UNIVERSITY 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.
|
||
|
|
*
|
||
|
|
* Carnegie Mellon encourages (but does not require) users of this
|
||
|
|
* software to return any improvements or extensions that they make,
|
||
|
|
* and to grant Carnegie Mellon the rights to redistribute these
|
||
|
|
* changes without encumbrance.
|
||
|
|
*/
|
||
|
|
#ifndef _NET_PKTSCHED_PKTSCHED_HFSC_H_
|
||
|
|
#define _NET_PKTSCHED_PKTSCHED_HFSC_H_
|
||
|
|
|
||
|
|
#ifdef PRIVATE
|
||
|
|
#include <net/pktsched/pktsched.h>
|
||
|
|
#include <net/classq/classq.h>
|
||
|
|
#include <net/classq/classq_red.h>
|
||
|
|
#include <net/classq/classq_rio.h>
|
||
|
|
#include <net/classq/classq_blue.h>
|
||
|
|
#include <net/classq/classq_sfb.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct service_curve {
|
||
|
|
u_int32_t fl; /* service curve flags */
|
||
|
|
u_int64_t m1; /* slope of the first segment in bits/sec */
|
||
|
|
u_int32_t d; /* the x-projection of the first segment in msec */
|
||
|
|
u_int64_t m2; /* slope of the second segment in bits/sec */
|
||
|
|
};
|
||
|
|
|
||
|
|
/* valid values for service curve flags */
|
||
|
|
#define HFSCF_M1_PCT 0x1 /* m1 is in percentage */
|
||
|
|
#define HFSCF_M2_PCT 0x10 /* m2 is in percentage */
|
||
|
|
|
||
|
|
#define HFSCF_USERFLAGS (HFSCF_M1_PCT | HFSCF_M2_PCT)
|
||
|
|
|
||
|
|
/* special class handles */
|
||
|
|
#define HFSC_NULLCLASS_HANDLE 0
|
||
|
|
#define HFSC_MAX_CLASSES 64
|
||
|
|
|
||
|
|
/* hfsc class flags */
|
||
|
|
#define HFCF_RED 0x0001 /* use RED */
|
||
|
|
#define HFCF_ECN 0x0002 /* use ECN with RED/BLUE/SFB */
|
||
|
|
#define HFCF_RIO 0x0004 /* use RIO */
|
||
|
|
#define HFCF_CLEARDSCP 0x0010 /* clear diffserv codepoint */
|
||
|
|
#define HFCF_BLUE 0x0100 /* use BLUE */
|
||
|
|
#define HFCF_SFB 0x0200 /* use SFB */
|
||
|
|
#define HFCF_FLOWCTL 0x0400 /* enable flow control advisories */
|
||
|
|
#define HFCF_DEFAULTCLASS 0x1000 /* default class */
|
||
|
|
#ifdef BSD_KERNEL_PRIVATE
|
||
|
|
#define HFCF_RSC 0x10000 /* has realtime sc */
|
||
|
|
#define HFCF_FSC 0x20000 /* has linkshare sc */
|
||
|
|
#define HFCF_USC 0x40000 /* has upperlimit sc */
|
||
|
|
#define HFCF_LAZY 0x10000000 /* on-demand resource allocation */
|
||
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
||
|
|
|
||
|
|
#define HFCF_USERFLAGS \
|
||
|
|
(HFCF_RED | HFCF_ECN | HFCF_RIO | HFCF_CLEARDSCP | HFCF_BLUE | \
|
||
|
|
HFCF_SFB | HFCF_FLOWCTL | HFCF_DEFAULTCLASS)
|
||
|
|
|
||
|
|
#ifdef BSD_KERNEL_PRIVATE
|
||
|
|
#define HFCF_BITS \
|
||
|
|
"\020\1RED\2ECN\3RIO\5CLEARDSCP\11BLUE\12SFB\13FLOWCTL\15DEFAULT" \
|
||
|
|
"\21RSC\22FSC\23USC\35LAZY"
|
||
|
|
#else
|
||
|
|
#define HFCF_BITS \
|
||
|
|
"\020\1RED\2ECN\3RIO\5CLEARDSCP\11BLUE\12SFB\13FLOWCTL\15DEFAULT"
|
||
|
|
#endif /* !BSD_KERNEL_PRIVATE */
|
||
|
|
|
||
|
|
/* service curve types */
|
||
|
|
#define HFSC_REALTIMESC 1
|
||
|
|
#define HFSC_LINKSHARINGSC 2
|
||
|
|
#define HFSC_UPPERLIMITSC 4
|
||
|
|
#define HFSC_DEFAULTSC (HFSC_REALTIMESC|HFSC_LINKSHARINGSC)
|
||
|
|
|
||
|
|
struct hfsc_classstats {
|
||
|
|
u_int32_t class_id;
|
||
|
|
u_int32_t class_handle;
|
||
|
|
struct service_curve rsc;
|
||
|
|
struct service_curve fsc;
|
||
|
|
struct service_curve usc; /* upper limit service curve */
|
||
|
|
|
||
|
|
u_int64_t total; /* total work in bytes */
|
||
|
|
u_int64_t cumul; /* cumulative work in bytes */
|
||
|
|
/* done by real-time criteria */
|
||
|
|
u_int64_t d; /* deadline */
|
||
|
|
u_int64_t e; /* eligible time */
|
||
|
|
u_int64_t vt; /* virtual time */
|
||
|
|
u_int64_t f; /* fit time for upper-limit */
|
||
|
|
|
||
|
|
/* info helpful for debugging */
|
||
|
|
u_int64_t initvt; /* init virtual time */
|
||
|
|
u_int64_t vtoff; /* cl_vt_ipoff */
|
||
|
|
u_int64_t cvtmax; /* cl_maxvt */
|
||
|
|
u_int64_t myf; /* cl_myf */
|
||
|
|
u_int64_t cfmin; /* cl_mincf */
|
||
|
|
u_int64_t cvtmin; /* cl_mincvt */
|
||
|
|
u_int64_t myfadj; /* cl_myfadj */
|
||
|
|
u_int64_t vtadj; /* cl_vtadj */
|
||
|
|
u_int64_t cur_time;
|
||
|
|
u_int32_t machclk_freq;
|
||
|
|
|
||
|
|
u_int32_t qlength;
|
||
|
|
u_int32_t qlimit;
|
||
|
|
struct pktcntr xmit_cnt;
|
||
|
|
struct pktcntr drop_cnt;
|
||
|
|
u_int32_t period;
|
||
|
|
|
||
|
|
u_int32_t vtperiod; /* vt period sequence no */
|
||
|
|
u_int32_t parentperiod; /* parent's vt period seqno */
|
||
|
|
int nactive; /* number of active children */
|
||
|
|
|
||
|
|
/* RED, RIO, BLUE, SFB related info */
|
||
|
|
classq_type_t qtype;
|
||
|
|
union {
|
||
|
|
/* RIO has 3 red stats */
|
||
|
|
struct red_stats red[RIO_NDROPPREC];
|
||
|
|
struct blue_stats blue;
|
||
|
|
struct sfb_stats sfb;
|
||
|
|
};
|
||
|
|
classq_state_t qstate;
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#endif /* PRIVATE */
|
||
|
|
#endif /* _NET_PKTSCHED_PKTSCHED_HFSC_H_ */
|