1992/0502/pc/devether.c (diff list | history)

1992/0501/sys/src/9/pc/devether.c:475,481 – 1992/0502/sys/src/9/pc/devether.c:475,481 (short | long | prev | next)
1992/0424		rb = &cp->rb[cp->rh];
1992/0501		etherup(cp, rb->pkt, rb->len);
1992/0424		rb->owner = Interface; cp->rh = NEXT(cp->rh, Nrb);
1992/0502		cp->rh = NEXT(cp->rh, cp->nrb);
1992/0424		}
1992/0410
1992/0424		qunlock(&cp->rlock);
1992/0501/sys/src/9/pc/devether.c:614,623 – 1992/0502/sys/src/9/pc/devether.c:614,623
1992/0424		int i; uchar msr;
1992/0403
1992/0501		cp->tb = ialloc(sizeof(Buffer)*Ntb, 1);
1992/0424		cp->ntb = Ntb;
1992/0501		cp->rb = ialloc(sizeof(Buffer)*Nrb, 1); cp->nrb = Nrb;
1992/0502		cp->tb = ialloc(sizeof(Buffer)*Ntb, 1); cp->ntb = Ntb;
1992/0424		msr = IN(hw, msr); OUT(hw, msr, 0x40|msr);
1992/0501/sys/src/9/pc/devether.c:684,691 – 1992/0502/sys/src/9/pc/devether.c:684,689
1992/0424		OUT(cp->hw, w.tcr, 0);
1992/0403		}
1992/0501		static ulong wraps;
1992/0424		static void wd8013receive(Ctlr *cp)
1992/0403		{
1992/0501/sys/src/9/pc/devether.c:708,733 – 1992/0502/sys/src/9/pc/devether.c:706,727
1992/0424		cp->inpackets++; p = &((Ring*)hw->ram)[next];
1992/0501		len = (p->len1<<8)|p->len0-4; if(len > sizeof(Etherpkt)) print("!");
1992/0424		rb = &cp->rb[cp->ri]; if(rb->owner == Interface){
1992/0501		rb->len = len;
1992/0424		/*copy in packet*/
1992/0501		if(p->data+len >= hw->ram+hw->size){ wraps++;
1992/0502		if((p->data+len) >= (hw->ram+hw->size)){
1992/0501		len = hw->ram+hw->size - p->data; memmove(rb->pkt+len, &((Ring*)hw->ram)[hw->pstart], p->data+rb->len - hw->ram+hw->size);
1992/0502		(p->data+rb->len) - (hw->ram+hw->size));
1992/0425		}
1992/0501		memmove(rb->pkt, p->data, len);
1992/0424		rb->owner = Host; cp->ri = NEXT(cp->ri, Nrb);
1992/0502		cp->ri = NEXT(cp->ri, cp->nrb);
1992/0424		}
1992/0501		p->status = 0;
1992/0502		p->status = 0;
1992/0424		next = p->next; bnry = next-1;
1992/0501		if(bnry < hw->pstart)
1992/0501/sys/src/9/pc/devether.c:747,753 – 1992/0502/sys/src/9/pc/devether.c:741,746
1992/0424		tb = &cp->tb[cp->ti]; if(tb->busy == 0 && tb->owner == Interface){ hw = cp->hw;
1992/0501		tb->len = tb->len+1 & ~1; memmove(hw->ram, tb->pkt, tb->len);
1992/0424		OUT(hw, w.tbcr0, tb->len & 0xFF); OUT(hw, w.tbcr1, (tb->len>>8) & 0xFF);
1992/0501/sys/src/9/pc/devether.c:785,791 – 1992/0502/sys/src/9/pc/devether.c:778,784
1992/0424		tb = &cp->tb[cp->ti]; tb->owner = Host; tb->busy = 0; cp->ti = NEXT(cp->ti, Ntb);
1992/0502		cp->ti = NEXT(cp->ti, cp->ntb);
1992/0424		(*cp->hw->transmit)(cp); wakeup(&cp->tr); }
1992/0501/sys/src/9/pc/devether.c:820,841 – 1992/0502/sys/src/9/pc/devether.c:813,816
1992/0409		void
1992/0411		consdebug(void)
1992/0409		{
1992/0501		Ctlr *cp = &ctlr[0]; Hw *hw = cp->hw; Buffer *bp; uchar bnry, curr;                  print("th%d ti%d rh%d ri%d\n", cp->th, cp->ti, cp->rh, cp->ri); bp = &cp->tb[cp->ti]; print("t: owner %d busy %d len %d\n", bp->owner, bp->busy, bp->len); bnry = IN(hw, r.bnry); OUT(hw, w.cr, 0x62); curr = IN(hw, curr); OUT(hw, w.cr, 0x22); print("bnry %d, curr %d\n", bnry, curr); print("in %d out %d crcs %d oerrs %d frames %d overflows %d buffs %d wraps %d\n", cp->inpackets, cp->outpackets, cp->crcs, cp->oerrs, cp->frames, cp->overflows, cp->buffs, wraps);
1992/0403		}