1992/0505/pc/devether.c (diff list | history)

1992/0503/sys/src/9/pc/devether.c:83,94 – 1992/0505/sys/src/9/pc/devether.c:83,93 (short | long | prev | next)
1992/0424		uchar ba[6]; /* broadcast address */
1992/0403
1992/0424		Rendez rr; /* rendezvous for a receive buffer */ QLock rlock; /* semaphore on rc */ ushort rh; /* first receive buffer belonging to host */ ushort ri; /* first receive buffer belonging to interface */
1992/0403
1992/0424		Rendez tr; /* rendezvous for a transmit buffer */ QLock tlock; /* semaphore on tc */
1992/0505		QLock tlock; /* semaphore on th */
1992/0424		ushort th; /* first transmit buffer belonging to host */ ushort ti; /* first transmit buffer belonging to interface */
1992/0503/sys/src/9/pc/devether.c:333,338 – 1992/0505/sys/src/9/pc/devether.c:332,338
1992/0410		tp->prom = 0; tp->inuse = 0; netdisown(&tp->ctlr->net, tp - tp->ctlr->type);
1992/0505		tp->ctlr = 0;
1992/0410		qunlock(tp);
1992/0403		}
1992/0503/sys/src/9/pc/devether.c:456,462 – 1992/0505/sys/src/9/pc/devether.c:456,462
1992/0403		}
1992/0404		cp->kproc = 1;
1992/0403		for(;;){
1992/0424		qlock(&cp->rlock);
1992/0505		sleep(&cp->rr, isinput, cp);
1992/0424
1992/0406		/* * process any internal loopback packets
1992/0503/sys/src/9/pc/devether.c:477,485 – 1992/0505/sys/src/9/pc/devether.c:477,482
1992/0424		rb->owner = Interface;
1992/0502		cp->rh = NEXT(cp->rh, cp->nrb);
1992/0424		}
1992/0410
1992/0424		qunlock(&cp->rlock); sleep(&cp->rr, isinput, cp); } }
1992/0410
1992/0503/sys/src/9/pc/devether.c:629,634 – 1992/0505/sys/src/9/pc/devether.c:626,643
1992/0424		setvec(Ethervec, hw->intr); }
1992/0403
1992/0505		static void dp8390rinit(Ctlr *cp) { Hw *hw = cp->hw; OUT(hw, w.cr, 0x21); /* Page0|RD2|STP */ OUT(hw, w.bnry, hw->pstart); OUT(hw, w.cr, 0x61); /* Page1|RD2|STP */ OUT(hw, curr, hw->pstart+1); OUT(hw, w.cr, 0x22); /* Page0|RD2|STA */ }
1992/0424		/* * we leave the chip idling on internal loopback * and pointing to Page0.
1992/0503/sys/src/9/pc/devether.c:705,711 – 1992/0505/sys/src/9/pc/devether.c:714,726
1992/0424		break; cp->inpackets++; p = &((Ring*)hw->ram)[next];
1992/0501		len = (p->len1<<8)|p->len0-4;
1992/0505		len = ((p->len1<<8)|p->len0)-4; if(p->next < hw->pstart || p->next >= hw->pstop || len < 60){ print("%d: #%2.2ux #%2.2ux #%2.2ux #%2.2ux\n", next, p->status, p->next, p->len0, p->len1); dp8390rinit(cp); return; }
1992/0424		rb = &cp->rb[cp->ri]; if(rb->owner == Interface){