| 0,0 → 1,85 |
|---|
| /*!\file net/if_slvar.h |
| * SLIP interface structures. |
| */ |
| |
| /* $NetBSD: if_slvar.h,v 1.17 1997/03/27 20:36:17 thorpej Exp $ */ |
| |
| /*- |
| * 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 |
| */ |
| #ifndef __NET_IF_SLVAR_H |
| #define __NET_IF_SLVAR_H |
| |
| /* |
| * 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 */ |
| int sc_unit; /* XXX unit number */ |
| 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_char *sc_xxx; /* XXX don't ask... */ |
| 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 */ |
| long sc_oqlen; /* previous output queue size */ |
| long sc_otimeout; /* number of times output's stalled */ |
| #ifdef NetBSD |
| int sc_oldbufsize; /* previous output buffer size */ |
| int sc_oldbufquot; /* previous output buffer quoting */ |
| #endif |
| #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 */ |
| |
| #endif |