diff options
Diffstat (limited to 'sys/net/if_slvar.h')
| -rw-r--r-- | sys/net/if_slvar.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sys/net/if_slvar.h b/sys/net/if_slvar.h new file mode 100644 index 0000000..e7b2764 --- /dev/null +++ b/sys/net/if_slvar.h @@ -0,0 +1,80 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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_slvar.h 8.3 (Berkeley) 2/1/94 + * + * $Header: if_slvar.h,v 1.3 89/05/31 02:25:18 van Exp $ + */ + +/* + * Definitions for SLIP interface data structures + * + * (This exists so programs like slstats can get at the definition + * of sl_softc.) + */ +struct sl_softc { + struct ifnet sc_if; /* network-visible interface */ + struct ifqueue sc_fastq; /* interactive output queue */ + struct tty *sc_ttyp; /* pointer to tty structure */ + u_char *sc_mp; /* pointer to next available buf char */ + u_char *sc_ep; /* pointer to last available buf char */ + u_char *sc_buf; /* input buffer */ + u_int sc_flags; /* see below */ + u_int sc_escape; /* =1 if last char input was FRAME_ESCAPE */ + long sc_lasttime; /* last time a char arrived */ + long sc_abortcount; /* number of abort esacpe chars */ + long sc_starttime; /* time of first abort in window */ +#ifdef INET /* XXX */ + struct slcompress sc_comp; /* tcp compression data */ +#endif + caddr_t sc_bpf; /* BPF data */ +}; + +/* internal flags */ +#define SC_ERROR 0x0001 /* had an input error */ + +/* visible flags */ +#define SC_COMPRESS IFF_LINK0 /* compress TCP traffic */ +#define SC_NOICMP IFF_LINK1 /* supress ICMP traffic */ +#define SC_AUTOCOMP IFF_LINK2 /* auto-enable TCP compression */ + +#ifdef KERNEL +void slattach __P((void)); +void slclose __P((struct tty *)); +void slinput __P((int, struct tty *)); +int slioctl __P((struct ifnet *, int, caddr_t)); +int slopen __P((dev_t, struct tty *)); +int sloutput __P((struct ifnet *, + struct mbuf *, struct sockaddr *, struct rtentry *)); +void slstart __P((struct tty *)); +int sltioctl __P((struct tty *, int, caddr_t, int)); +#endif /* KERNEL */ |
