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Annotation of sys/net/if_stripvar.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: if_stripvar.h,v 1.8 2002/03/14 01:27:09 millert Exp $ */
        !             2: /*     $NetBSD: if_stripvar.h,v 1.2.4.1 1996/08/05 20:37:51 jtc Exp $  */
        !             3:
        !             4: #ifndef _NET_IF_STRIPVAR_H_
        !             5: #define _NET_IF_STRIPVAR_H_
        !             6: /*
        !             7:  * Definitions for SLIP interface data structures
        !             8:  *
        !             9:  * (This exists so programs like slstats can get at the definition
        !            10:  *  of sl_softc.)
        !            11:  */
        !            12: struct st_softc {
        !            13:        struct  ifnet sc_if;            /* network-visible interface */
        !            14:        int     sc_unit;                /* XXX unit number */
        !            15:        struct  ifqueue sc_fastq;       /* interactive output queue */
        !            16:        struct  tty *sc_ttyp;           /* pointer to tty structure */
        !            17:        u_char  *sc_mp;                 /* pointer to next available buf char */
        !            18:        u_char  *sc_ep;                 /* pointer to last available buf char */
        !            19:        u_char  *sc_buf;                /* input buffer */
        !            20:        u_char  *sc_rxbuf;              /* input destuffing buffer */
        !            21:        u_char  *sc_txbuf;              /* output stuffing buffer */
        !            22:        u_int   sc_flags;               /* see below */
        !            23:        long    sc_oqlen;               /* previous output queue size */
        !            24:        long    sc_otimeout;            /* number of times output's stalled */
        !            25: #if defined(__NetBSD__) || defined(__OpenBSD__)
        !            26:        int     sc_oldbufsize;          /* previous output buffer size */
        !            27:        int     sc_oldbufquot;          /* previous output buffer quoting */
        !            28: #endif
        !            29: #ifdef INET                            /* XXX */
        !            30:        struct  slcompress sc_comp;     /* tcp compression data */
        !            31: #endif
        !            32:
        !            33:        int sc_state;                   /* Radio reset state-machine */
        !            34: #define ST_ALIVE       0x0             /*    answered  probe */
        !            35: #define ST_PROBE_SENT  0x1             /*    probe sent, answer pending */
        !            36: #define ST_DEAD                0x2             /*    no answer to probe; do reset */
        !            37:
        !            38:        long sc_statetimo;              /* When (secs) current state ends */
        !            39:
        !            40:        caddr_t sc_bpf;                 /* BPF data */
        !            41:        struct timeout sc_timo;
        !            42:
        !            43:        struct timeval sc_lastpacket;   /* for watchdog */
        !            44: };
        !            45:
        !            46:
        !            47: /* Internal flags */
        !            48: #define        SC_ERROR        0x0001          /* Incurred error reading current pkt*/
        !            49:
        !            50: #define SC_TIMEOUT     0x00000400      /* timeout is currently pending */
        !            51:
        !            52: /* visible flags */
        !            53: #define        SC_COMPRESS     IFF_LINK0       /* compress TCP traffic */
        !            54: #define        SC_NOICMP       IFF_LINK1       /* supress ICMP traffic */
        !            55: #define        SC_AUTOCOMP     IFF_LINK2       /* auto-enable TCP compression */
        !            56:
        !            57: #ifdef _KERNEL
        !            58: void   stripattach(int n);
        !            59: void   stripclose(struct tty *);
        !            60: void   stripinput(int, struct tty *);
        !            61: int    stripioctl(struct ifnet *, u_long, caddr_t);
        !            62: int    stripopen(dev_t, struct tty *);
        !            63: int    stripoutput(struct ifnet *,
        !            64:            struct mbuf *, struct sockaddr *, struct rtentry *);
        !            65: void   stripstart(struct tty *);
        !            66: int    striptioctl(struct tty *, u_long, caddr_t, int);
        !            67: #endif /* _KERNEL */
        !            68: #endif /* _NET_IF_STRIPVAR_H_ */