1993/0212/pc/devether.c (diff list | history)

1992/1222/sys/src/9/pc/devether.c:15,34 – 1993/0212/sys/src/9/pc/devether.c:15,34 (short | long | prev | next)
1992/0922		* handle multiple controllers * much tidying * set ethernet address
1993/0212		* need a ctl file passed down to card drivers * so we can set options.
1992/0922		*/
1992/1222		extern Board ether8003; extern Board ether503; extern Board ether2000; extern Board ether509;
1993/0212		extern Card ether8003, ether503, ether2000; extern Card ether509;
1992/0403
1992/1222		/* * The ordering here is important for those boards * using the DP8390 (WD8003, 3COM503 and NE2000) as * attempting to determine if a board is a NE2000
1993/0212		* The ordering here is important for those cards * using the DP8390 (WD8003, 3Com503 and NE2000) as * attempting to determine if a card is a NE2000
1992/1222		* cannot be done passively, so it must be last to * prevent scrogging one of the others. */ static Board *boards[] = {
1993/0212		static Card *cards[] = {
1992/1222		ðer8003, ðer503, ðer2000,
1992/1222/sys/src/9/pc/devether.c:41,47 – 1993/0212/sys/src/9/pc/devether.c:41,47
1992/1222		NCtlr = 1,
1992/0424		};
1992/0403
1992/1222		static struct Ctlr *softctlr[NCtlr];
1993/0212		/*static */struct Ctlr *softctlr[NCtlr];
1992/1222		static int nctlr;
1992/0922
1992/0425		Chan*
1992/1222/sys/src/9/pc/devether.c:123,129 – 1993/0212/sys/src/9/pc/devether.c:123,129
1992/1222		Type *type; Etherpkt *pkt; RingBuf *ring;
1992/0922		int len, n;
1993/0212		int len, n, s;
1992/0403		Block *nbp;
1992/1222		type = q->ptr;
1992/1222/sys/src/9/pc/devether.c:141,147 – 1993/0212/sys/src/9/pc/devether.c:141,147
1992/1222		type->prom = 1; ctlr->prom++; if(ctlr->prom == 1) (*ctlr->board->mode)(ctlr, 1);
1993/0212		(*ctlr->card.mode)(ctlr, 1);
1992/0403		}
1992/1222		qunlock(ctlr);
1992/0403		freeb(bp);
1992/1222/sys/src/9/pc/devether.c:179,186 – 1993/0212/sys/src/9/pc/devether.c:179,186
1992/0403		*/
1992/1222		qlock(&ctlr->tlock);
1992/0403		if(waserror()){
1992/0411		freeb(bp);
1992/1222		qunlock(&ctlr->tlock);
1993/0212		freeb(bp);
1992/0403		nexterror(); }
1992/1222/sys/src/9/pc/devether.c:188,194 – 1993/0212/sys/src/9/pc/devether.c:188,202
1992/1222		* Wait till we get an output buffer.
1992/0424		* should try to restart.
1992/0403		*/
1992/1222		sleep(&ctlr->tr, isobuf, ctlr);
1993/0212		if(isobuf(ctlr) == 0){ tsleep(&ctlr->tr, isobuf, ctlr, 3*1000); if(isobuf(ctlr) == 0){ qunlock(&ctlr->tlock); freeb(bp); poperror(); return; } }
1992/0403
1992/1222		ring = &ctlr->tb[ctlr->th];
1992/0424
1992/1222/sys/src/9/pc/devether.c:217,230 – 1993/0212/sys/src/9/pc/devether.c:225,239
1992/1222		* Set up the transmit buffer and * start the transmission.
1992/0403		*/
1992/1222		ctlr->outpackets++;
1993/0212		s = splhi();
1992/1222		ring->len = len; ring->owner = Interface; ctlr->th = NEXT(ctlr->th, ctlr->ntb); (*ctlr->board->transmit)(ctlr);
1993/0212		(*ctlr->card.transmit)(ctlr); splx(s);
1992/0403		freeb(bp);
1992/1222		qunlock(&ctlr->tlock);
1993/0212		freeb(bp);
1992/0403		poperror(); }
1992/1222/sys/src/9/pc/devether.c:267,273 – 1993/0212/sys/src/9/pc/devether.c:276,282
1992/1222		qlock(ctlr); ctlr->prom--; if(ctlr->prom == 0) (*ctlr->board->mode)(ctlr, 0);
1993/0212		(*ctlr->card.mode)(ctlr, 0);
1992/1222		qunlock(ctlr); } if(type->type == -1){
1992/1222/sys/src/9/pc/devether.c:407,414 – 1993/0212/sys/src/9/pc/devether.c:416,423
1992/0403		if(waserror()){
1992/1222		print("%s noted\n", ctlr->name); /* fix if(ctlr->board->reset) (*ctlr->board->reset)(ctlr);
1993/0212		if(ctlr->card.reset) (*ctlr->card.reset)(ctlr);
1992/1222		*/ ctlr->kproc = 0;
1992/0403		nexterror();
1992/1222/sys/src/9/pc/devether.c:416,423 – 1993/0212/sys/src/9/pc/devether.c:425,432
1992/1222
1992/0403		for(;;){
1992/1222		tsleep(&ctlr->rr, isinput, ctlr, 500); if(ctlr->board->watch) (*ctlr->board->watch)(ctlr);
1993/0212		if(ctlr->card.watch) (*ctlr->card.watch)(ctlr);
1992/0424
1992/0406		/*
1992/1222		* Process any internal loopback packets.
1992/1222/sys/src/9/pc/devether.c:460,466 – 1993/0212/sys/src/9/pc/devether.c:469,475
1992/1222		Ctlr *ctlr = softctlr[0];
1992/0922		USED(ur);
1992/1222		(*ctlr->board->intr)(ctlr);
1993/0212		(*ctlr->card.intr)(ctlr);
1992/0922		}
1992/0424		void
1992/1222/sys/src/9/pc/devether.c:467,481 – 1993/0212/sys/src/9/pc/devether.c:476,493
1992/0424		etherreset(void) {
1992/1222		Ctlr *ctlr; Board **board;
1993/0212		Card **card;
1992/0625		int i;
1992/0410
1993/0212		if(nctlr >= NCtlr) return;
1992/1222		if(softctlr[nctlr] == 0) softctlr[nctlr] = xalloc(sizeof(Ctlr)); ctlr = softctlr[nctlr]; for(board = boards; *board; board++){ ctlr->board = *board; if((*ctlr->board->reset)(ctlr) == 0){
1993/0212		for(card = cards; *card; card++){ memset(ctlr, 0, sizeof(Ctlr)); ctlr->card = **card; if((*ctlr->card.reset)(ctlr) == 0){
1992/1222		ctlr->present = 1; /*
1992/1222/sys/src/9/pc/devether.c:483,496 – 1993/0212/sys/src/9/pc/devether.c:495,517
1992/1222		* controllers together. A device set to IRQ2 will appear on * the second interrupt controller as IRQ9. */ if(ctlr->board->irq == 2) ctlr->board->irq = 9; setvec(Int0vec + ctlr->board->irq, etherintr);
1993/0212		if(ctlr->card.irq == 2) ctlr->card.irq = 9; setvec(Int0vec + ctlr->card.irq, etherintr);
1992/0922		break; }
1992/0917		}
1992/1222		if(ctlr->present == 0)
1992/0922		return;
1993/0212		print("ether%d: %s: I/O addr %lux width %d addr %lux size %d irq %d:", nctlr, ctlr->card.id, ctlr->card.io, ctlr->card.bit16 ? 16: 8, ctlr->card.ramstart, ctlr->card.ramstop-ctlr->card.ramstart, ctlr->card.irq); for(i = 0; i < sizeof(ctlr->ea); i++) print(" %2.2ux", ctlr->ea[i]); print("\n");
1992/1222		nctlr++;
1992/0410
1992/1222		if(ctlr->nrb == 0)
1992/1222/sys/src/9/pc/devether.c:551,557 – 1993/0212/sys/src/9/pc/devether.c:572,578
1992/1222		* Enable the interface * and start the kproc.
1992/0501		*/
1992/1222		(*ctlr->board->attach)(ctlr);
1993/0212		(*ctlr->card.attach)(ctlr);
1992/1222		if(ctlr->kproc == 0){ sprint(ctlr->name, "ether%dkproc", ctlrno); ctlr->kproc = 1;