Commit | Line | Data |
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8985215b | 1 | /* @(#)if_slvar.h 7.4 (Berkeley) %G% */ |
404373be MK |
2 | |
3 | /* | |
9de3e30d MK |
4 | * Definitions for SLIP interface data structures |
5 | * | |
6 | * (this exists so programs like slstats can get at the definition | |
7 | * of sl_softc.) | |
404373be | 8 | * |
9de3e30d | 9 | * $Header: if_slvar.h,v 1.3 89/05/31 02:25:18 van Exp $ |
404373be MK |
10 | */ |
11 | struct sl_softc { | |
12 | struct ifnet sc_if; /* network-visible interface */ | |
9de3e30d | 13 | struct ifqueue sc_fastq; /* interactive output queue */ |
404373be | 14 | struct tty *sc_ttyp; /* pointer to tty structure */ |
9de3e30d MK |
15 | u_char *sc_mp; /* pointer to next available buf char */ |
16 | u_char *sc_ep; /* pointer to last available buf char */ | |
17 | u_char *sc_buf; /* input buffer */ | |
18 | u_int sc_flags; /* see below */ | |
19 | u_int sc_escape; /* =1 if last char input was FRAME_ESCAPE */ | |
20 | u_int sc_bytessent; | |
21 | u_int sc_bytesrcvd; | |
22 | long sc_lasttime; /* last time a char arrived */ | |
23 | long sc_starttime; /* last time a char arrived */ | |
24 | long sc_abortcount; /* number of abort esacpe chars */ | |
270f7144 | 25 | #ifdef INET /* XXX */ |
9de3e30d | 26 | struct slcompress sc_comp; /* tcp compression data */ |
270f7144 | 27 | #endif |
404373be MK |
28 | }; |
29 | ||
8985215b | 30 | /* visible flags */ |
404373be MK |
31 | #define SC_COMPRESS 0x0002 /* compress TCP traffic */ |
32 | #define SC_NOICMP 0x0004 /* supress ICMP traffic */ | |
8985215b SL |
33 | #define SC_AUTOCOMP 0x0008 /* auto-enable TCP compression */ |
34 | /* internal flags (should be separate) */ | |
35 | #define SC_ABORT 0x10000 /* have been sent an abort request */ | |
404373be MK |
36 | |
37 | /* this stuff doesn't belong here... */ | |
38 | #define SLIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ | |
39 | #define SLIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ | |
270f7144 | 40 | #define SLIOGUNIT _IOW('t', 88, int) /* get slip unit number */ |