projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 8b2e40fc BJ |
1 | struct header { |
| 2 | char sync; | |
| 3 | char ksize; | |
| 4 | unsigned 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 | #define MIN(a,b) ((a<b)? a:b) | |
| 49 | ||
| 50 | char next[8]; | |
| 51 | char mask[8]; | |
| 52 | int npbits; | |
| 53 | int pkactive; | |
| 54 | ||
| 55 | /* | |
| 56 | * driver state | |
| 57 | */ | |
| 58 | #define DEAD 0 | |
| 59 | #define INITa 1 | |
| 60 | #define INITb 2 | |
| 61 | #define INITab 3 | |
| 62 | #define LIVE 010 | |
| 63 | #define RXMIT 020 | |
| 64 | #define RREJ 040 | |
| 65 | #define PDEBUG 0200 | |
| 66 | #define DRAINO 0400 | |
| 67 | #define WAITO 01000 | |
| 68 | #define DOWN 02000 | |
| 69 | #define RCLOSE 04000 | |
| 70 | #define BADFRAME 020000 | |
| 71 | ||
| 72 | /* | |
| 73 | * io buffer states | |
| 74 | */ | |
| 75 | #define B_NULL 0 | |
| 76 | #define B_READY 1 | |
| 77 | #define B_SENT 2 | |
| 78 | #define B_RESID 010 | |
| 79 | #define B_COPY 020 | |
| 80 | #define B_MARK 040 | |
| 81 | #define B_SHORT 0100 | |
| 82 | ||
| 83 | /* | |
| 84 | * control messages | |
| 85 | */ | |
| 86 | #define CLOSE 1 | |
| 87 | #define RJ 2 | |
| 88 | #define SRJ 3 | |
| 89 | #define RR 4 | |
| 90 | #define INITC 5 | |
| 91 | #define INITB 6 | |
| 92 | #define INITA 7 | |
| 93 | ||
| 94 | #define M_RJ 4 | |
| 95 | #define M_SRJ 010 | |
| 96 | #define M_RR 020 | |
| 97 | #define M_INITC 040 | |
| 98 | #define M_CLOSE 2 | |
| 99 | #define M_INITA 0200 | |
| 100 | #define M_INITB 0100 | |
| 101 | ||
| 102 | ||
| 103 | ||
| 104 | #define PKOPRI 31 | |
| 105 | #define PKIPRI 30 | |
| 106 | ||
| 107 | #define NPLINES 8 | |
| 108 | ||
| 109 | /* | |
| 110 | * packet ioctl buf | |
| 111 | */ | |
| 112 | struct piocb { | |
| 113 | unsigned t; | |
| 114 | short psize; | |
| 115 | short mode; | |
| 116 | short state; | |
| 117 | char window; | |
| 118 | }; | |
| 119 | ||
| 120 | int pkdebug; | |
| 121 | int pksizes[]; |