1*38368Skarels /* @(#)if_slvar.h 7.2 (Berkeley) 06/29/89 */ 238367Skarels 338367Skarels /* 4*38368Skarels * Definitions for SLIP interface data structures 5*38368Skarels * 6*38368Skarels * (this exists so programs like slstats can get at the definition 7*38368Skarels * of sl_softc.) 838367Skarels * 9*38368Skarels * $Header: if_slvar.h,v 1.3 89/05/31 02:25:18 van Exp $ 1038367Skarels */ 1138367Skarels struct sl_softc { 1238367Skarels struct ifnet sc_if; /* network-visible interface */ 13*38368Skarels struct ifqueue sc_fastq; /* interactive output queue */ 1438367Skarels struct tty *sc_ttyp; /* pointer to tty structure */ 15*38368Skarels u_char *sc_mp; /* pointer to next available buf char */ 16*38368Skarels u_char *sc_ep; /* pointer to last available buf char */ 17*38368Skarels u_char *sc_buf; /* input buffer */ 18*38368Skarels u_int sc_flags; /* see below */ 19*38368Skarels u_int sc_escape; /* =1 if last char input was FRAME_ESCAPE */ 20*38368Skarels u_int sc_bytessent; 21*38368Skarels u_int sc_bytesrcvd; 22*38368Skarels long sc_lasttime; /* last time a char arrived */ 23*38368Skarels long sc_starttime; /* last time a char arrived */ 24*38368Skarels long sc_abortcount; /* number of abort esacpe chars */ 25*38368Skarels struct slcompress sc_comp; /* tcp compression data */ 2638367Skarels }; 2738367Skarels 2838367Skarels /* flags */ 2938367Skarels #define SC_COMPRESS 0x0002 /* compress TCP traffic */ 3038367Skarels #define SC_NOICMP 0x0004 /* supress ICMP traffic */ 3138367Skarels #define SC_ABORT 0x0008 /* have been sent an abort request */ 3238367Skarels 3338367Skarels /* this stuff doesn't belong here... */ 3438367Skarels #define SLIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ 3538367Skarels #define SLIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ 36