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/*-
* 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.
*
* $FreeBSD: release/9.1.0/sys/net/firewire.h 194581 2009-06-21 10:29:31Z rdivacky $
*/
#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 *)(ifp)->if_l2com)
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_ */