sys/net/if_stripvar.h

   1 /*      $NetBSD: if_stripvar.h,v 1.18 2006/06/07 22:33:43 kardel Exp $  */
   2
   3 #ifndef _NET_IF_STRIPVAR_H_
   4 #define _NET_IF_STRIPVAR_H_
   5
   6 /*
   7  * Definitions for STRIP interface data structures
   8  */
   9 struct strip_softc {
  10         struct  ifnet sc_if;            /* network-visible interface */
  11         int     sc_unit;                /* XXX unit number */
  12         struct  ifqueue sc_fastq;       /* interactive output queue */
  13         struct  ifqueue sc_inq;         /* input queue */
  14         struct  tty *sc_ttyp;           /* pointer to tty structure */
  15         struct  callout sc_timo_ch;     /* timeout callout */
  16         u_char  *sc_mp;                 /* pointer to next available buf char */
  17         u_char  *sc_ep;                 /* pointer to last available buf char */
  18         u_char  *sc_pktstart;           /* pointer to beginning of packet */
  19         struct mbuf *sc_mbuf;           /* 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         void    *sc_si;                 /* softintr handle */
  26 #ifdef __NetBSD__
  27         int     sc_oldbufsize;          /* previous output buffer size */
  28         int     sc_oldbufquot;          /* previous output buffer quoting */
  29 #endif
  30 #ifdef INET                             /* XXX */
  31         struct  slcompress sc_comp;     /* tcp compression data */
  32 #endif
  33
  34         int sc_state;                   /* Radio reset state-machine */
  35 #define ST_ALIVE        0x0             /*    answered  probe */
  36 #define ST_PROBE_SENT   0x1             /*    probe sent, answer pending */
  37 #define ST_DEAD         0x2             /*    no answer to probe; do reset */
  38
  39         long sc_statetimo;              /* When (secs) current state ends */
  40
  41         struct bintime sc_lastpacket;   /* for watchdog */
  42         LIST_ENTRY(strip_softc) sc_iflist;
  43 };
  44
  45
  46 /* Internal flags */
  47 #define SC_ERROR        0x0001          /* Incurred error reading current pkt*/
  48
  49 #define SC_TIMEOUT      0x00000400      /* timeout is currently pending */
  50
  51 /* visible flags */
  52 #define SC_COMPRESS     IFF_LINK0       /* compress TCP traffic */
  53 #define SC_NOICMP       IFF_LINK1       /* supress ICMP traffic */
  54 #define SC_AUTOCOMP     IFF_LINK2       /* auto-enable TCP compression */
  55
  56 #ifdef _KERNEL
  57 void    stripattach(void);
  58 #endif /* _KERNEL */
  59
  60 #endif /* !_NET_IF_STRIPVAR_H_ */