/*      $NetBSD: if_ieee1394.h,v 1.9 2008/04/28 20:24:09 martin Exp $   */

/*
 * Copyright (c) 2000 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Atsushi Onoe.
 *
 * 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 THE NETBSD FOUNDATION, INC. 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 THE FOUNDATION 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_IF_IEEE1394_H_
#define _NET_IF_IEEE1394_H_

/* hardware address information for arp / nd */
struct ieee1394_hwaddr {
        uint8_t iha_uid[8];             /* node unique ID */
        uint8_t iha_maxrec;             /* max_rec in the config ROM */
        uint8_t iha_speed;              /* min of link/PHY speed */
        uint8_t iha_offset[6];          /* unicast FIFO address */
};

/*
 * BPF wants to see one of these.
 */
struct ieee1394_bpfhdr {
        uint8_t         ibh_dhost[8];
        uint8_t         ibh_shost[8];
        uint16_t        ibh_type;
};

#ifdef _KERNEL

/* pseudo header */
struct ieee1394_header {
        uint8_t ih_uid[8];              /* dst/src uid */
        uint8_t ih_maxrec;              /* dst maxrec for tx */
        uint8_t ih_speed;               /* speed */
        uint8_t ih_offset[6];           /* dst offset */
};

/* unfragment encapsulation header */
struct ieee1394_unfraghdr {
        uint16_t        iuh_ft;                 /* fragment type == 0 */
        uint16_t        iuh_etype;              /* ether_type */
};

/* fragmented encapsulation header */
struct ieee1394_fraghdr {
        uint16_t        ifh_ft_size;            /* fragment type, data size-1 */
        uint16_t        ifh_etype_off;          /* etype for first fragment */
                                                /* offset for subseq frag */
        uint16_t        ifh_dgl;                /* datagram label */
        uint16_t        ifh_reserved;
};

#define IEEE1394_FT_SUBSEQ      0x8000
#define IEEE1394_FT_MORE        0x4000

#define IEEE1394MTU             1500

#define IEEE1394_GASP_LEN       8               /* GASP header for Stream */
#define IEEE1394_ADDR_LEN       8
#define IEEE1394_CRC_LEN        4

struct ieee1394_reass_pkt {
        LIST_ENTRY(ieee1394_reass_pkt) rp_next;
        struct mbuf     *rp_m;
        uint16_t        rp_size;
        uint16_t        rp_etype;
        uint16_t        rp_off;
        uint16_t        rp_dgl;
        uint16_t        rp_len;
        uint16_t        rp_ttl;
};

struct ieee1394_reassq {
        LIST_ENTRY(ieee1394_reassq) rq_node;
        LIST_HEAD(, ieee1394_reass_pkt) rq_pkt;
        uint32_t        fr_id;
};

struct ieee1394com {
        struct ifnet    fc_if;
        struct ieee1394_hwaddr ic_hwaddr;
        uint16_t        ic_dgl;
        LIST_HEAD(, ieee1394_reassq) ic_reassq;
};

const char *ieee1394_sprintf(const uint8_t *);
void ieee1394_input(struct ifnet *, struct mbuf *, uint16_t);
void ieee1394_ifattach(struct ifnet *, const struct ieee1394_hwaddr *);
void ieee1394_ifdetach(struct ifnet *);
int  ieee1394_ioctl(struct ifnet *, u_long, void *);
struct mbuf * ieee1394_fragment(struct ifnet *, struct mbuf *, int, uint16_t);
void ieee1394_drain(struct ifnet *);
void ieee1394_watchdog(struct ifnet *);
#endif /* _KERNEL */

#endif /* !_NET_IF_IEEE1394_H_ */