/*      $NetBSD: altq_afmap.h,v 1.4 2025/01/14 13:49:17 joe Exp $       */
/*      $KAME: altq_afmap.h,v 1.6 2002/04/03 05:38:50 kjc Exp $ */

/*
 * Copyright (C) 1997-2002
 *      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_AFMAP_H_
#define _ALTQ_ALTQ_AFMAP_H_

#include <sys/queue.h>
#include <altq/altq.h>

struct atm_flowmap {
        char            af_ifname[IFNAMSIZ];    /* if name, e.g. "en0" */
        u_int8_t        af_vpi;
        u_int16_t       af_vci;
        u_int32_t       af_pcr;                 /* peek cell rate */
        union {
                struct flowinfo       afu_fi;
                struct flowinfo_in    afu_fi4;
#ifdef SIN6_LEN
                struct flowinfo_in6   afu_fi6;
#endif
        } af_fiu;
#define af_flowinfo     af_fiu.afu_fi
#define af_flowinfo4    af_fiu.afu_fi4
#define af_flowinfo6    af_fiu.afu_fi6

        /* statistics */
        u_int32_t       afs_packets;            /* total packet count */
        u_int32_t       afs_bytes;              /* total byte count */
};

/* set or get flowmap */
#define AFM_ADDFMAP     _IOWR('F', 30, struct atm_flowmap)
#define AFM_DELFMAP     _IOWR('F', 31, struct atm_flowmap)
#define AFM_CLEANFMAP   _IOWR('F', 32, struct atm_flowmap)
#define AFM_GETFMAP     _IOWR('F', 33, struct atm_flowmap)

#ifdef _KERNEL

/* per flow information */
struct afm {
        LIST_ENTRY(afm)         afm_list;
        u_int16_t               afm_vci;
        u_int8_t                afm_vpi;
        union {
                struct flowinfo      afmu_fi;
                struct flowinfo_in   afmu_fi4;
#ifdef SIN6_LEN
                struct flowinfo_in6  afmu_fi6;
#endif
        } afm_fiu;
#define afm_flowinfo    afm_fiu.afmu_fi
#define afm_flowinfo4   afm_fiu.afmu_fi4
#define afm_flowinfo6   afm_fiu.afmu_fi6

        /* statistics */
        u_int32_t               afms_packets;   /* total packet count */
        u_int32_t               afms_bytes;     /* total byte count */
};

/* per interface */
struct afm_head {
        LIST_ENTRY(afm_head)    afh_chain;
        LIST_HEAD(, afm)        afh_head;
        struct ifnet            *afh_ifp;
};

struct afm      *afm_top(struct ifnet *);
int             afm_alloc(struct ifnet *);
int             afm_dealloc(struct ifnet *);
int             afm_add(struct ifnet *, struct atm_flowmap *);
int             afm_remove(struct afm *);
int             afm_removeall(struct ifnet *);
struct          afm *afm_lookup(struct ifnet *, int, int);
struct afm      *afm_match(struct ifnet *, struct flowinfo *);
struct afm_head *afmhead_if(struct ifnet *);

#endif /* _KERNEL */

#endif /* _ALTQ_ALTQ_AFMAP_H_ */