projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 6cfe221b KB |
1 | /*- |
| 2 | * Copyright (c) 1991 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * %sccs.include.redist.c% | |
| 6 | * | |
| 0e97cde8 | 7 | * @(#)if_slvar.h 7.8 (Berkeley) %G% |
| 6cfe221b KB |
8 | * |
| 9 | * $Header: if_slvar.h,v 1.3 89/05/31 02:25:18 van Exp $ | |
| 10 | */ | |
| 404373be MK |
11 | |
| 12 | /* | |
| 9de3e30d MK |
13 | * Definitions for SLIP interface data structures |
| 14 | * | |
| 6cfe221b | 15 | * (This exists so programs like slstats can get at the definition |
| 9de3e30d | 16 | * of sl_softc.) |
| 404373be MK |
17 | */ |
| 18 | struct sl_softc { | |
| 19 | struct ifnet sc_if; /* network-visible interface */ | |
| 9de3e30d | 20 | struct ifqueue sc_fastq; /* interactive output queue */ |
| 404373be | 21 | struct tty *sc_ttyp; /* pointer to tty structure */ |
| 9de3e30d MK |
22 | u_char *sc_mp; /* pointer to next available buf char */ |
| 23 | u_char *sc_ep; /* pointer to last available buf char */ | |
| 24 | u_char *sc_buf; /* input buffer */ | |
| 25 | u_int sc_flags; /* see below */ | |
| 26 | u_int sc_escape; /* =1 if last char input was FRAME_ESCAPE */ | |
| 27 | u_int sc_bytessent; | |
| 28 | u_int sc_bytesrcvd; | |
| 29 | long sc_lasttime; /* last time a char arrived */ | |
| 30 | long sc_starttime; /* last time a char arrived */ | |
| 31 | long sc_abortcount; /* number of abort esacpe chars */ | |
| 270f7144 | 32 | #ifdef INET /* XXX */ |
| 9de3e30d | 33 | struct slcompress sc_comp; /* tcp compression data */ |
| 270f7144 | 34 | #endif |
| 404373be MK |
35 | }; |
| 36 | ||
| 8985215b | 37 | /* visible flags */ |
| 0e97cde8 WN |
38 | #define SC_COMPRESS IFF_LLC0 /* compress TCP traffic */ |
| 39 | #define SC_NOICMP IFF_LLC1 /* supress ICMP traffic */ | |
| 40 | #define SC_AUTOCOMP IFF_LLC2 /* auto-enable TCP compression */ | |
| 8985215b SL |
41 | /* internal flags (should be separate) */ |
| 42 | #define SC_ABORT 0x10000 /* have been sent an abort request */ | |
| 404373be MK |
43 | |
| 44 | /* this stuff doesn't belong here... */ | |
| 45 | #define SLIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ | |
| 46 | #define SLIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ | |
| 06de6ce5 | 47 | #define SLIOCGUNIT _IOR('t', 88, int) /* get slip unit number */ |