/* $OpenBSD: altq_priq.h,v 1.6 2004/01/14 08:42:23 kjc Exp $ */ /* $KAME: altq_priq.h,v 1.1 2000/10/18 09:15:23 kjc Exp $ */ /* * Copyright (C) 2000-2002 * 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 _ALTQ_ALTQ_PRIQ_H_ #define _ALTQ_ALTQ_PRIQ_H_ #include <altq/altq.h> #include <altq/altq_classq.h> #include <altq/altq_red.h> #include <altq/altq_rio.h> #ifdef __cplusplus extern "C" { #endif #define PRIQ_MAXPRI 16 /* upper limit of the number of priorities */ /* priq class flags */ #define PRCF_RED 0x0001 /* use RED */ #define PRCF_ECN 0x0002 /* use RED/ECN */ #define PRCF_RIO 0x0004 /* use RIO */ #define PRCF_CLEARDSCP 0x0010 /* clear diffserv codepoint */ #define PRCF_DEFAULTCLASS 0x1000 /* default class */ /* special class handles */ #define PRIQ_NULLCLASS_HANDLE 0 struct priq_classstats { u_int32_t class_handle; u_int qlength; u_int qlimit; u_int period; struct pktcntr xmitcnt; /* transmitted packet counter */ struct pktcntr dropcnt; /* dropped packet counter */ /* red and rio related info */ int qtype; struct redstats red[3]; /* rio has 3 red stats */ }; #ifdef _KERNEL struct priq_class { u_int32_t cl_handle; /* class handle */ class_queue_t *cl_q; /* class queue structure */ struct red *cl_red; /* RED state */ int cl_pri; /* priority */ int cl_flags; /* class flags */ struct priq_if *cl_pif; /* back pointer to pif */ struct altq_pktattr *cl_pktattr; /* saved header used by ECN */ /* statistics */ u_int cl_period; /* backlog period */ struct pktcntr cl_xmitcnt; /* transmitted packet counter */ struct pktcntr cl_dropcnt; /* dropped packet counter */ }; /* * priq interface state */ struct priq_if { struct priq_if *pif_next; /* interface state list */ struct ifaltq *pif_ifq; /* backpointer to ifaltq */ u_int pif_bandwidth; /* link bandwidth in bps */ int pif_maxpri; /* max priority in use */ struct priq_class *pif_default; /* default class */ struct priq_class *pif_classes[PRIQ_MAXPRI]; /* classes */ }; #endif /* _KERNEL */ #ifdef __cplusplus } #endif #endif /* _ALTQ_ALTQ_PRIQ_H_ */