projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| af359dea C |
1 | /*- |
| 2 | * Copyright (c) 1991 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| c0567266 KB |
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. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| af359dea C |
32 | * |
| 33 | * @(#)if_slvar.h 7.7 (Berkeley) 5/7/91 | |
| 34 | * | |
| 35 | * $Header: if_slvar.h,v 1.3 89/05/31 02:25:18 van Exp $ | |
| 36 | */ | |
| 404373be MK |
37 | |
| 38 | /* | |
| 9de3e30d MK |
39 | * Definitions for SLIP interface data structures |
| 40 | * | |
| af359dea | 41 | * (This exists so programs like slstats can get at the definition |
| 9de3e30d | 42 | * of sl_softc.) |
| 404373be MK |
43 | */ |
| 44 | struct sl_softc { | |
| 45 | struct ifnet sc_if; /* network-visible interface */ | |
| 9de3e30d | 46 | struct ifqueue sc_fastq; /* interactive output queue */ |
| 404373be | 47 | struct tty *sc_ttyp; /* pointer to tty structure */ |
| 9de3e30d MK |
48 | u_char *sc_mp; /* pointer to next available buf char */ |
| 49 | u_char *sc_ep; /* pointer to last available buf char */ | |
| 50 | u_char *sc_buf; /* input buffer */ | |
| 51 | u_int sc_flags; /* see below */ | |
| 52 | u_int sc_escape; /* =1 if last char input was FRAME_ESCAPE */ | |
| 53 | u_int sc_bytessent; | |
| 54 | u_int sc_bytesrcvd; | |
| 55 | long sc_lasttime; /* last time a char arrived */ | |
| 56 | long sc_starttime; /* last time a char arrived */ | |
| 57 | long sc_abortcount; /* number of abort esacpe chars */ | |
| 270f7144 | 58 | #ifdef INET /* XXX */ |
| 9de3e30d | 59 | struct slcompress sc_comp; /* tcp compression data */ |
| 270f7144 | 60 | #endif |
| 404373be MK |
61 | }; |
| 62 | ||
| 8985215b | 63 | /* visible flags */ |
| 404373be MK |
64 | #define SC_COMPRESS 0x0002 /* compress TCP traffic */ |
| 65 | #define SC_NOICMP 0x0004 /* supress ICMP traffic */ | |
| 8985215b SL |
66 | #define SC_AUTOCOMP 0x0008 /* auto-enable TCP compression */ |
| 67 | /* internal flags (should be separate) */ | |
| 68 | #define SC_ABORT 0x10000 /* have been sent an abort request */ | |
| 404373be MK |
69 | |
| 70 | /* this stuff doesn't belong here... */ | |
| 71 | #define SLIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ | |
| 72 | #define SLIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ | |
| 06de6ce5 | 73 | #define SLIOCGUNIT _IOR('t', 88, int) /* get slip unit number */ |