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_ */
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