sys/net/if_ieee1394.h

   1 /*      $NetBSD: if_ieee1394.h,v 1.9 2008/04/28 20:24:09 martin Exp $   */
   2
   3 /*
   4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Atsushi Onoe.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef _NET_IF_IEEE1394_H_
  33 #define _NET_IF_IEEE1394_H_
  34
  35 /* hardware address information for arp / nd */
  36 struct ieee1394_hwaddr {
  37         uint8_t iha_uid[8];             /* node unique ID */
  38         uint8_t iha_maxrec;             /* max_rec in the config ROM */
  39         uint8_t iha_speed;              /* min of link/PHY speed */
  40         uint8_t iha_offset[6];          /* unicast FIFO address */
  41 };
  42
  43 /*
  44  * BPF wants to see one of these.
  45  */
  46 struct ieee1394_bpfhdr {
  47         uint8_t         ibh_dhost[8];
  48         uint8_t         ibh_shost[8];
  49         uint16_t        ibh_type;
  50 };
  51
  52 #ifdef _KERNEL
  53
  54 /* pseudo header */
  55 struct ieee1394_header {
  56         uint8_t ih_uid[8];              /* dst/src uid */
  57         uint8_t ih_maxrec;              /* dst maxrec for tx */
  58         uint8_t ih_speed;               /* speed */
  59         uint8_t ih_offset[6];           /* dst offset */
  60 };
  61
  62 /* unfragment encapsulation header */
  63 struct ieee1394_unfraghdr {
  64         uint16_t        iuh_ft;                 /* fragment type == 0 */
  65         uint16_t        iuh_etype;              /* ether_type */
  66 };
  67
  68 /* fragmented encapsulation header */
  69 struct ieee1394_fraghdr {
  70         uint16_t        ifh_ft_size;            /* fragment type, data size-1 */
  71         uint16_t        ifh_etype_off;          /* etype for first fragment */
  72                                                 /* offset for subseq frag */
  73         uint16_t        ifh_dgl;                /* datagram label */
  74         uint16_t        ifh_reserved;
  75 };
  76
  77 #define IEEE1394_FT_SUBSEQ      0x8000
  78 #define IEEE1394_FT_MORE        0x4000
  79
  80 #define IEEE1394MTU             1500
  81
  82 #define IEEE1394_GASP_LEN       8               /* GASP header for Stream */
  83 #define IEEE1394_ADDR_LEN       8
  84 #define IEEE1394_CRC_LEN        4
  85
  86 struct ieee1394_reass_pkt {
  87         LIST_ENTRY(ieee1394_reass_pkt) rp_next;
  88         struct mbuf     *rp_m;
  89         uint16_t        rp_size;
  90         uint16_t        rp_etype;
  91         uint16_t        rp_off;
  92         uint16_t        rp_dgl;
  93         uint16_t        rp_len;
  94         uint16_t        rp_ttl;
  95 };
  96
  97 struct ieee1394_reassq {
  98         LIST_ENTRY(ieee1394_reassq) rq_node;
  99         LIST_HEAD(, ieee1394_reass_pkt) rq_pkt;
 100         uint32_t        fr_id;
 101 };
 102
 103 struct ieee1394com {
 104         struct ifnet    fc_if;
 105         struct ieee1394_hwaddr ic_hwaddr;
 106         uint16_t        ic_dgl;
 107         LIST_HEAD(, ieee1394_reassq) ic_reassq;
 108 };
 109
 110 const char *ieee1394_sprintf(const uint8_t *);
 111 void ieee1394_input(struct ifnet *, struct mbuf *, uint16_t);
 112 void ieee1394_ifattach(struct ifnet *, const struct ieee1394_hwaddr *);
 113 void ieee1394_ifdetach(struct ifnet *);
 114 int  ieee1394_ioctl(struct ifnet *, u_long, void *);
 115 struct mbuf * ieee1394_fragment(struct ifnet *, struct mbuf *, int, uint16_t);
 116 void ieee1394_drain(struct ifnet *);
 117 void ieee1394_watchdog(struct ifnet *);
 118 #endif /* _KERNEL */
 119
 120 #endif /* !_NET_IF_IEEE1394_H_ */