1 /* 2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 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 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 /* 33 * if_gif.h 34 */ 35 36 #ifndef _NET_IF_GIF_H_ 37 #define _NET_IF_GIF_H_ 38 39 #include <netinet/in.h> 40 /* xxx sigh, why route have struct route instead of pointer? */ 41 42 struct gif_softc { 43 struct ifnet gif_if; /* common area */ 44 struct sockaddr *gif_psrc; /* Physical src addr */ 45 struct sockaddr *gif_pdst; /* Physical dst addr */ 46 union { 47 struct route gifscr_ro; /* xxx */ 48 struct route_in6 gifscr_ro6; /* xxx */ 49 } gifsc_gifscr; 50 int gif_flags; 51 }; 52 53 #define gif_ro gifsc_gifscr.gifscr_ro 54 #define gif_ro6 gifsc_gifscr.gifscr_ro6 55 56 #define GIFF_INUSE 0x1 /* gif is in use */ 57 58 #define GIF_MTU (1280) /* Default MTU */ 59 #define GIF_MTU_MIN (1280) /* Minimum MTU */ 60 #define GIF_MTU_MAX (8192) /* Maximum MTU */ 61 62 extern int ngif; 63 extern struct gif_softc *gif; 64 65 /* Prototypes */ 66 void gif_input __P((struct mbuf *, int, struct ifnet *)); 67 int gif_output __P((struct ifnet *, struct mbuf *, 68 struct sockaddr *, struct rtentry *)); 69 int gif_ioctl __P((struct ifnet *, u_long, caddr_t)); 70 71 #endif /* _NET_IF_GIF_H_ */ 72