1/*- 2 * Copyright (c) 2004 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29#ifndef _NET_FIREWIRE_H_ 30#define _NET_FIREWIRE_H_ 31 32#define FW_ENCAP_UNFRAG 0 33#define FW_ENCAP_FIRST 1 34#define FW_ENCAP_LAST 2 35#define FW_ENCAP_NEXT 3 36 37union fw_encap { 38 uint32_t ul[2]; 39 struct { 40#if BYTE_ORDER == BIG_ENDIAN 41 uint32_t lf :2; 42 uint32_t reserved :14; 43 uint32_t ether_type :16; 44#else 45 uint32_t ether_type :16; 46 uint32_t reserved :14; 47 uint32_t lf :2; 48#endif 49 } unfrag; 50 struct { 51#if BYTE_ORDER == BIG_ENDIAN 52 uint32_t lf :2; 53 uint32_t reserved1 :2; 54 uint32_t datagram_size :12; 55 uint32_t ether_type :16; 56 uint32_t dgl :16; 57 uint32_t reserved2 :16; 58#else 59 uint32_t ether_type :16; 60 uint32_t datagram_size :12; 61 uint32_t reserved1 :2; 62 uint32_t lf :2; 63 uint32_t reserved2 :16; 64 uint32_t dgl :16; 65#endif 66 } firstfrag; 67 struct { 68#if BYTE_ORDER == BIG_ENDIAN 69 uint32_t lf :2; 70 uint32_t reserved1 :2; 71 uint32_t datagram_size :12; 72 uint32_t reserved2 :4; 73 uint32_t fragment_offset :12; 74 uint32_t dgl :16; 75 uint32_t reserved3 :16; 76#else 77 uint32_t fragment_offset :12; 78 uint32_t reserved2 :4; 79 uint32_t datagram_size :12; 80 uint32_t reserved1 :2; 81 uint32_t lf :2; 82 uint32_t reserved3 :16; 83 uint32_t dgl :16; 84#endif 85 } nextfrag; 86}; 87 88#define MTAG_FIREWIRE 1394 89#define MTAG_FIREWIRE_HWADDR 0 90#define MTAG_FIREWIRE_SENDER_EUID 1 91 92struct fw_hwaddr { 93 uint32_t sender_unique_ID_hi; 94 uint32_t sender_unique_ID_lo; 95 uint8_t sender_max_rec; 96 uint8_t sspd; 97 uint16_t sender_unicast_FIFO_hi; 98 uint32_t sender_unicast_FIFO_lo; 99}; 100 101/* 102 * BPF wants to see one of these. 103 */ 104struct fw_bpfhdr { 105 uint8_t firewire_dhost[8]; 106 uint8_t firewire_shost[8]; 107 uint16_t firewire_type; 108}; 109 110#ifdef _KERNEL 111 112/* 113 * A structure to track the reassembly of a link-level fragmented 114 * datagram. 115 */ 116struct fw_reass { 117 STAILQ_ENTRY(fw_reass) fr_link; 118 uint32_t fr_id; /* host+dgl */ 119 struct mbuf *fr_frags; /* chain of frags */ 120}; 121STAILQ_HEAD(fw_reass_list, fw_reass); 122 123struct fw_com { 124 struct ifnet *fc_ifp; 125 struct fw_hwaddr fc_hwaddr; 126 struct firewire_comm *fc_fc; 127 uint8_t fc_broadcast_channel; 128 uint8_t fc_speed; /* our speed */ 129 uint16_t fc_node; /* our nodeid */ 130 struct fw_reass_list fc_frags; /* partial datagrams */ 131}; 132#define IFP2FWC(ifp) ((struct fw_com *)(ifp)->if_l2com) 133 134extern void firewire_input(struct ifnet *ifp, struct mbuf *m, uint16_t src); 135extern void firewire_ifattach(struct ifnet *, struct fw_hwaddr *); 136extern void firewire_ifdetach(struct ifnet *); 137extern void firewire_busreset(struct ifnet *); 138extern int firewire_ioctl(struct ifnet *, u_long, caddr_t); 139 140#endif /* !_KERNEL */ 141 142#endif /* !_NET_FIREWIRE_H_ */ 143