1*38378Skarels /* @(#)if_slvar.h 7.3 (Berkeley) 06/30/89 */ 238367Skarels 338367Skarels /* 438368Skarels * Definitions for SLIP interface data structures 538368Skarels * 638368Skarels * (this exists so programs like slstats can get at the definition 738368Skarels * of sl_softc.) 838367Skarels * 938368Skarels * $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 */ 1338368Skarels struct ifqueue sc_fastq; /* interactive output queue */ 1438367Skarels struct tty *sc_ttyp; /* pointer to tty structure */ 1538368Skarels u_char *sc_mp; /* pointer to next available buf char */ 1638368Skarels u_char *sc_ep; /* pointer to last available buf char */ 1738368Skarels u_char *sc_buf; /* input buffer */ 1838368Skarels u_int sc_flags; /* see below */ 1938368Skarels u_int sc_escape; /* =1 if last char input was FRAME_ESCAPE */ 2038368Skarels u_int sc_bytessent; 2138368Skarels u_int sc_bytesrcvd; 2238368Skarels long sc_lasttime; /* last time a char arrived */ 2338368Skarels long sc_starttime; /* last time a char arrived */ 2438368Skarels long sc_abortcount; /* number of abort esacpe chars */ 25*38378Skarels #ifdef INET /* XXX */ 2638368Skarels struct slcompress sc_comp; /* tcp compression data */ 27*38378Skarels #endif 2838367Skarels }; 2938367Skarels 3038367Skarels /* flags */ 3138367Skarels #define SC_COMPRESS 0x0002 /* compress TCP traffic */ 3238367Skarels #define SC_NOICMP 0x0004 /* supress ICMP traffic */ 3338367Skarels #define SC_ABORT 0x0008 /* have been sent an abort request */ 3438367Skarels 3538367Skarels /* this stuff doesn't belong here... */ 3638367Skarels #define SLIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ 3738367Skarels #define SLIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ 38*38378Skarels #define SLIOGUNIT _IOW('t', 88, int) /* get slip unit number */ 39