1997/0327/pc/etherif.h (diff list | history)

1996/0622/sys/src/9/pc/etherif.h:7,57 – 1997/0327/sys/src/9/pc/etherif.h:7,29 (short | long | prev | next)
In Ether: add ea, replace write with transmit and oq; remove explicit buffers. Add etheriq. Move Dp8390 code to etherdp8390.h XXX. rsc Fri Mar 4 12:44:25 2005
1993/1113		struct Ether { ISAConf; /* hardware info */
1995/0721		int ctlrno;
1997/0327		int tbdf; /* type+busno+devno+funcno */
1996/0601		int mbps; /* Mbps */
1997/0327		uchar ea[Eaddrlen];
1993/1113		void (*attach)(Ether*); /* filled in by reset routine */ long (*write)(Ether*, void*, long);
1997/0327		void (*transmit)(Ether*);
1993/1124		void (*interrupt)(Ureg*, void*);
1996/0607		long (*ifstat)(Ether*, void*, long, ulong);
1995/0721		void *ctlr;
1993/1113		Etherpkt tpkt; /* transmit buffer */ Etherpkt rpkt; /* receive buffer */
1997/0327		Queue* oq;
1993/1113		QLock tlock; /* lock for grabbing transmitter queue */ Rendez tr; /* wait here for free xmit buffer */
1993/1119		long tlen; /* length of data in tpkt */
1993/1113		Netif; };
1995/0721		extern void etherrloop(Ether*, Etherpkt*, long);
1997/0327		extern Block* etheriq(Ether*, Block*, int);
1994/0202		extern void addethercard(char*, int(*)(Ether*));                  /* * Stuff for the boards using the National Semiconductor DP8390 * and SMC 83C90 Network Interface Controller. * Common code is in ether8390.c. */
1993/1116		typedef struct { uchar bit16; /* true if a 16 bit interface */ uchar ram; /* true if card has shared memory */                  ulong dp8390; /* I/O address of 8390 */ ulong data; /* I/O data port if no shared memory */
1993/1118		uchar nxtpkt; /* receive: software bndry */
1993/1116		uchar tstart; /* 8390 ring addresses */ uchar pstart; uchar pstop; } Dp8390;
1993/1118		#define Dp8390BufSz 256                  extern int dp8390reset(Ether*);
1994/0128		extern void *dp8390read(Dp8390*, void*, ulong, ulong); extern void *dp8390write(Dp8390*, ulong, void*, ulong);
1994/0130		extern void dp8390setea(Ether*);
1993/1116
1993/1113		#define NEXT(x, l) (((x)+1)%(l))
1996/0622		#define PREV(x, l) (((x) == 0) ? (l)-1: (x)-1)