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- /*-
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2004 Doug Rabson
- * 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 THE AUTHOR 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 AUTHOR 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_FIREWIRE_H_
- #define _NET_FIREWIRE_H_
- #define FW_ENCAP_UNFRAG 0
- #define FW_ENCAP_FIRST 1
- #define FW_ENCAP_LAST 2
- #define FW_ENCAP_NEXT 3
- union fw_encap {
- uint32_t ul[2];
- struct {
- #if BYTE_ORDER == BIG_ENDIAN
- uint32_t lf :2;
- uint32_t reserved :14;
- uint32_t ether_type :16;
- #else
- uint32_t ether_type :16;
- uint32_t reserved :14;
- uint32_t lf :2;
- #endif
- } unfrag;
- struct {
- #if BYTE_ORDER == BIG_ENDIAN
- uint32_t lf :2;
- uint32_t reserved1 :2;
- uint32_t datagram_size :12;
- uint32_t ether_type :16;
- uint32_t dgl :16;
- uint32_t reserved2 :16;
- #else
- uint32_t ether_type :16;
- uint32_t datagram_size :12;
- uint32_t reserved1 :2;
- uint32_t lf :2;
- uint32_t reserved2 :16;
- uint32_t dgl :16;
- #endif
- } firstfrag;
- struct {
- #if BYTE_ORDER == BIG_ENDIAN
- uint32_t lf :2;
- uint32_t reserved1 :2;
- uint32_t datagram_size :12;
- uint32_t reserved2 :4;
- uint32_t fragment_offset :12;
- uint32_t dgl :16;
- uint32_t reserved3 :16;
- #else
- uint32_t fragment_offset :12;
- uint32_t reserved2 :4;
- uint32_t datagram_size :12;
- uint32_t reserved1 :2;
- uint32_t lf :2;
- uint32_t reserved3 :16;
- uint32_t dgl :16;
- #endif
- } nextfrag;
- };
- #define MTAG_FIREWIRE 1394
- #define MTAG_FIREWIRE_HWADDR 0
- #define MTAG_FIREWIRE_SENDER_EUID 1
- struct fw_hwaddr {
- uint32_t sender_unique_ID_hi;
- uint32_t sender_unique_ID_lo;
- uint8_t sender_max_rec;
- uint8_t sspd;
- uint16_t sender_unicast_FIFO_hi;
- uint32_t sender_unicast_FIFO_lo;
- };
- /*
- * BPF wants to see one of these.
- */
- struct fw_bpfhdr {
- uint8_t firewire_dhost[8];
- uint8_t firewire_shost[8];
- uint16_t firewire_type;
- };
- #ifdef _KERNEL
- /*
- * A structure to track the reassembly of a link-level fragmented
- * datagram.
- */
- struct fw_reass {
- STAILQ_ENTRY(fw_reass) fr_link;
- uint32_t fr_id; /* host+dgl */
- struct mbuf *fr_frags; /* chain of frags */
- };
- STAILQ_HEAD(fw_reass_list, fw_reass);
- struct fw_com {
- struct ifnet *fc_ifp;
- struct fw_hwaddr fc_hwaddr;
- struct firewire_comm *fc_fc;
- uint8_t fc_broadcast_channel;
- uint8_t fc_speed; /* our speed */
- uint16_t fc_node; /* our nodeid */
- struct fw_reass_list fc_frags; /* partial datagrams */
- };
- #define IFP2FWC(ifp) ((struct fw_com *)if_getl2com(ifp))
- extern void firewire_input(struct ifnet *ifp, struct mbuf *m, uint16_t src);
- extern void firewire_ifattach(struct ifnet *, struct fw_hwaddr *);
- extern void firewire_ifdetach(struct ifnet *);
- extern void firewire_busreset(struct ifnet *);
- extern int firewire_ioctl(struct ifnet *, u_long, caddr_t);
- #endif /* !_KERNEL */
- #endif /* !_NET_FIREWIRE_H_ */
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