2.9BSD - /usr/include/sys/pack.h

   1: struct  header {
   2:     char    sync;
   3:     char    ksize;
   4:     short   sum;
   5:     char    cntl;
   6:     char    ccntl;
   7: };
   8: #define HDRSIZ  6
   9: 
  10: struct  pack {
  11:     short   p_state;    /* line state */
  12:     short   p_bits;     /* mask for getepack */
  13:     short   p_rsize;    /* input packet size */
  14:     short   p_xsize;    /* output packet size */
  15:     struct  header p_ihbuf; /* input header */
  16:     struct  header p_ohbuf; /* output header */
  17:     char    *p_rptr;
  18:     char    p_mode;
  19:     char    **p_ipool;
  20:     char    p_xcount;   /* # active output buffers */
  21:     char    p_rcount;
  22:     char    p_nout, p_tout;
  23:     char    p_lpsize;   /* log(psize/32) */
  24:     char    p_timer;
  25:     char    p_obusy;
  26:     char    p_srxmit;
  27:     char    p_rwindow;  /* window size */
  28:     char    p_swindow;
  29:     char    p_msg;      /* control msg */
  30:     char    p_rmsg;     /* repeated control msg */
  31:     char    p_ps, p_pr; /* last packet sent, recv'd */
  32:     char    p_rpr;
  33:     char    p_nxtps;    /* next output seq number */
  34:     char    p_imap;     /* bit map of input buffers */
  35:     char    p_pscopy;   /* newest output packet */
  36:     char    *p_ob[8];   /* output buffers */
  37:     char    *p_ib[8];   /* input buffers */
  38:     char    p_os[8];    /* output buffer status */
  39:     char    p_is[8];    /* input buffer status */
  40:     short   p_osum[8];  /* output checksums */
  41:     short   p_isum[8];  /* input checksums */
  42:     DSYSTEM;
  43: };
  44: #define CHECK   0125252
  45: #define SYN 020
  46: #define MOD8    7
  47: #define ISCNTL(a)   ((a & 0300)==0)
  48: #ifndef MIN
  49: #define MIN(a,b)    (((a)<(b))? (a):(b))
  50: #endif
  51: 
  52: char    next[8];
  53: char    mask[8];
  54: short   npbits;
  55: short   pkactive;
  56: 
  57: /*
  58:  * driver state
  59:  */
  60: #define DEAD    0
  61: #define INITa   1
  62: #define INITb   2
  63: #define INITab  3
  64: #define LIVE    010
  65: #define RXMIT   020
  66: #define RREJ    040
  67: #define PDEBUG  0200
  68: #define DRAINO  0400
  69: #define WAITO   01000
  70: #define DOWN    02000
  71: #define RCLOSE  04000
  72: #define BADFRAME 020000
  73: 
  74: /*
  75:  * io buffer states
  76:  */
  77: #define B_NULL  0
  78: #define B_READY 1
  79: #define B_SENT  2
  80: #define B_RESID 010
  81: #define B_COPY  020
  82: #define B_MARK  040
  83: #define B_SHORT 0100
  84: 
  85: /*
  86:  * control messages
  87:  */
  88: #define CLOSE   1
  89: #define RJ  2
  90: #define SRJ 3
  91: #define RR  4
  92: #define INITC   5
  93: #define INITB   6
  94: #define INITA   7
  95: 
  96: #define M_RJ    4
  97: #define M_SRJ   010
  98: #define M_RR    020
  99: #define M_INITC 040
 100: #define M_CLOSE 2
 101: #define M_INITA 0200
 102: #define M_INITB 0100
 103: 
 104: 
 105: 
 106: #define PKOPRI  31
 107: #define PKIPRI  30
 108: 
 109: #define NPLINES 8
 110: 
 111: /*
 112:  * packet ioctl buf
 113:  */
 114: struct  piocb {
 115:     u_short t;
 116:     short   psize;
 117:     short   mode;
 118:     short   state;
 119:     char    window;
 120: };
 121: 
 122: short   pkdebug;
 123: short   pksizes[];

Defined variables

Defined struct's

Defined macros