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Annotation of sys/net/if_stripvar.h, Revision 1.1.1.1

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_ */