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

/* $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_ */