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Annotation of sys/net/if_gif.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: if_gif.h,v 1.9 2003/12/03 14:51:05 markus Exp $       */
                      2: /*     $KAME: if_gif.h,v 1.17 2000/09/11 11:36:41 sumikawa Exp $       */
                      3:
                      4: /*
                      5:  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the project nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  */
                     32:
                     33: /*
                     34:  * if_gif.h
                     35:  */
                     36:
                     37: #ifndef _NET_IF_GIF_H_
                     38: #define _NET_IF_GIF_H_
                     39:
                     40:
                     41: #include <netinet/in.h>
                     42: /* XXX sigh, why route have struct route instead of pointer? */
                     43:
                     44: struct gif_softc {
                     45:        struct ifnet    gif_if;    /* common area */
                     46:        struct sockaddr *gif_psrc; /* Physical src addr */
                     47:        struct sockaddr *gif_pdst; /* Physical dst addr */
                     48:        union {
                     49:                struct route  gifscr_ro;    /* xxx */
                     50: #ifdef INET6
                     51:                struct route_in6 gifscr_ro6; /* xxx */
                     52: #endif
                     53:        } gifsc_gifscr;
                     54:        int             gif_flags;
                     55:        LIST_ENTRY(gif_softc) gif_list; /* list of all gifs */
                     56: };
                     57:
                     58: #define gif_ro gifsc_gifscr.gifscr_ro
                     59: #ifdef INET6
                     60: #define gif_ro6 gifsc_gifscr.gifscr_ro6
                     61: #endif
                     62:
                     63: #define GIF_MTU                (1280)  /* Default MTU */
                     64: #define        GIF_MTU_MIN     (1280)  /* Minimum MTU */
                     65: #define        GIF_MTU_MAX     (8192)  /* Maximum MTU */
                     66:
                     67: extern LIST_HEAD(gif_softc_head, gif_softc) gif_softc_list;
                     68:
                     69: /* Prototypes */
                     70: int gif_output(struct ifnet *, struct mbuf *,
                     71:                    struct sockaddr *, struct rtentry *);
                     72: int gif_ioctl(struct ifnet *, u_long, caddr_t);
                     73: void gif_start(struct ifnet *);
                     74: #endif /* _NET_IF_GIF_H_ */