1990/1226/ss/dat.h (diff list | history)

1990/1226/sys/src/9/ss/dat.h:8,16 – 1990/1231/sys/src/9/ss/dat.h:8,19 (short | long | prev | next)
1990/1223		typedef struct Env Env; typedef struct Envp Envp; typedef struct Envval Envval;
1990/1231		typedef struct Etherpkt Etherpkt;
1990/1223		typedef struct FFrame FFrame; typedef struct FPsave FPsave; typedef struct KMap KMap;
1990/1231		typedef struct Lance Lance; typedef struct Lancemem Lancemem;
1990/1223		typedef struct Label Label; typedef struct List List; typedef struct Lock Lock;
1990/1226/sys/src/9/ss/dat.h:19,25 – 1990/1231/sys/src/9/ss/dat.h:22,33
1990/1223		typedef struct Mach Mach; typedef struct Mount Mount; typedef struct Mtab Mtab;
1990/1231		typedef struct Noconv Noconv; typedef struct Nohdr Nohdr; typedef struct Noifc Noifc;
1990/1223		typedef struct Note Note;
1990/1231		typedef struct Nomsg Nomsg; typedef struct Nocall Nocall;
1990/1223		typedef struct Orig Orig; typedef struct PTE PTE; typedef struct Page Page;
1990/1226/sys/src/9/ss/dat.h:146,151 – 1990/1231/sys/src/9/ss/dat.h:154,161
1990/1223		int nbitmap; /* bitmap structs (devbit.c) */ int nbitbyte; /* bytes of bitmap data (devbit.c) */ int nfont; /* font structs (devbit.c) */
1990/1231		ulong nnoifc; /* number of nonet interfaces */ ulong nnoconv; /* number of nonet conversations/ifc */
1990/1223		int nurp; /* max urp conversations */ int nasync; /* number of async protocol modules */ int npipe; /* number of pipes */
1990/1226/sys/src/9/ss/dat.h:497,502 – 1990/1231/sys/src/9/ss/dat.h:507,641
1990/1223		Streambhi= 32, /* block count high water mark */ };
1990/1231		/* * Ethernet packet buffers. */ struct Etherpkt { uchar d[6]; uchar s[6]; uchar type[2]; uchar data[1500]; uchar crc[4]; }; /* * nonet constants */ enum { Nnomsg = 128, /* max number of outstanding messages */ Nnocalls = 5, /* maximum queued incoming calls */ }; /* * generic nonet header */ struct Nohdr { uchar circuit[3]; /* circuit number */ uchar flag; uchar mid; /* message id */ uchar ack; /* piggy back ack */ uchar remain[2]; /* count of remaing bytes of data */ uchar sum[2]; /* checksum (0 means none) */ }; #define NO_HDRSIZE 10 #define NO_NEWCALL 0x1 /* flag bit marking a new circuit */ #define NO_HANGUP 0x2 /* flag bit requesting hangup */ #define NO_ACKME 0x4 /* acknowledge this message */ #define NO_SERVICE 0x8 /* message includes a service name */ /* * a buffer describing a nonet message */ struct Nomsg { Blist; Rendez r; int mid; /* sequence number */ int rem; /* remaining */ long time; int acked; int inuse; }; /* * one exists for each Nonet conversation. */ struct Noconv { QLock; Stream *s; Queue *rq; /* input queue */ int version; /* incremented each time struct is changed */ int state; /* true if listening */ Nomsg in[Nnomsg]; /* messages being received */ int rcvcircuit; /* circuit number of incoming packets */ uchar ack[Nnomsg]; /* acknowledgements waiting to be sent */ int afirst; int anext; QLock xlock; /* one trasmitter at a time */ Rendez r; /* process waiting for an output mid */ Nomsg ctl; /* for control messages */ Nomsg ackmsg; /* for acknowledge messages */ QLock mlock; /* lock for out */ Nomsg out[Nnomsg]; /* messages being sent */ int first; /* first unacknowledged message */ int next; /* next message buffer to use */ int lastacked; /* last message acked */ Block *media; /* prototype media output header */ Nohdr *hdr; /* nonet header inside of media header */ Noifc *ifc; char raddr[NAMELEN]; /* remote address */ char ruser[NAMELEN]; /* remote user */ char addr[NAMELEN]; /* local address */ int rexmit; /* statistics */ int retry; int bad; int sent; int rcvd; }; /* * an incoming call */ struct Nocall { Block *msg; char raddr[NAMELEN]; long circuit; }; /* * a nonet interface. one exists for every stream that a * nonet multiplexor is pushed onto. */ struct Noifc { Lock; int ref; char name[NAMELEN]; /* interface name */ Queue *wq; /* interface output queue */ Noconv *conv; /* * media dependent */ int maxtu; /* maximum transfer unit */ int mintu; /* minimum transfer unit */ int hsize; /* media header size */ void (*connect)(Noconv *, char *); /* * calls and listeners */ QLock listenl; Rendez listenr; Lock lock; Nocall call[Nnocalls]; int rptr; int wptr; };
1990/1223		#define NSTUB 32 struct Service {
1990/1226/sys/src/9/ss/dat.h:509,514 – 1990/1231/sys/src/9/ss/dat.h:648,676
1990/1223		char name[NAMELEN]; };
1990/1231		/* * system dependent lance stuff * filled by lancesetup() */ struct Lance { ushort lognrrb; /* log2 number of receive ring buffers */ ushort logntrb; /* log2 number of xmit ring buffers */ ushort nrrb; /* number of receive ring buffers */ ushort ntrb; /* number of xmit ring buffers */ ushort *rap; /* lance address register */ ushort *rdp; /* lance data register */ uchar ea[6]; /* our ether addr */ int sep; /* separation between shorts in lance ram as seen by host */ ushort *lanceram; /* start of lance ram as seen by host */ Lancemem *lm; /* start of lance ram as seen by lance */ Etherpkt *rp; /* receive buffers (host address) */ Etherpkt *tp; /* transmit buffers (host address) */ Etherpkt *lrp; /* receive buffers (lance address) */ Etherpkt *ltp; /* transmit buffers (lance address) */ };
1990/1223		#define PRINTSIZE 256