NetBSD/sys/net/if_gif.h

74 lines
2.6 KiB
C

/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* 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.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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.
*/
/*
* if_gif.h
*/
#ifndef _NET_IF_GIF_H_
#define _NET_IF_GIF_H_
#include <netinet/in.h>
/* xxx sigh, why route have struct route instead of pointer? */
struct gif_softc {
struct ifnet gif_if; /* common area */
struct sockaddr *gif_psrc; /* Physical src addr */
struct sockaddr *gif_pdst; /* Physical dst addr */
union {
struct route gifscr_ro; /* xxx */
#ifdef INET6
struct route_in6 gifscr_ro6; /* xxx */
#endif /*INET6*/
} gifsc_gifscr;
int gif_flags;
};
#define gif_ro gifsc_gifscr.gifscr_ro
#ifdef INET6
#define gif_ro6 gifsc_gifscr.gifscr_ro6
#endif /*INET6*/
#define GIFF_INUSE 0x1 /* gif is in use */
#define GIF_MTU (1280) /* Default MTU */
#define GIF_MTU_MIN (1280) /* Minimum MTU */
#define GIF_MTU_MAX (8192) /* Maximum MTU */
extern int ngif;
extern struct gif_softc *gif;
/* Prototypes */
void gif_input __P((struct mbuf *, int, struct ifnet *));
int gif_output __P((struct ifnet *, struct mbuf *,
struct sockaddr *, struct rtentry *));
int gif_ioctl __P((struct ifnet *, u_long, caddr_t));
#endif /* _NET_IF_GIF_H_ */