1993/1120/pc/ether8390.c (diff list | history)

1993/1119/sys/src/9/pc/ether8390.c:446,455 – 1993/1120/sys/src/9/pc/ether8390.c:446,452 (short | long | prev | next)
1993/1116		for(fp = ether->f; fp < ep; fp++) { f = *fp; if(f && (f->type == type || f->type < 0))
1993/1119		{ print("Q%d|", len);
1993/1116		qproduce(f->in, ðer->rpkt, len);
1993/1119		}
1993/1116		}
1992/1222		}
1993/1119/sys/src/9/pc/ether8390.c:473,482 – 1993/1120/sys/src/9/pc/ether8390.c:470,480
1993/1118		}
1993/0212
1993/1118		static long write(Ether *ether, void *buf, long n)
1993/1120		write(Ether *ether, void *buf, long len)
1993/1118		{ Dp8390 *dp8390; ulong port;
1993/1120		Etherpkt *pkt;
1993/0213
1993/1118		dp8390 = ether->private; port = dp8390->dp8390;
1993/1119/sys/src/9/pc/ether8390.c:486,503 – 1993/1120/sys/src/9/pc/ether8390.c:484,521
1993/1119		print("dp8390: transmitter jammed\n"); return 0;
1993/0212		}
1993/1119		ether->tlen = n;
1993/1120		ether->tlen = len;
1993/1118
1993/1120		/* * If it's a shared-memory interface, copy the packet * directly to the shared-memory area. Otherwise, copy * it to a staging buffer so the I/O-port write can be * done in one. */
1993/1118		if(dp8390->ram) memmove((void*)(ether->mem+dp8390->tstart*Dp8390BufSz), buf, n);
1993/1120		pkt = (Etherpkt*)(ether->mem+dp8390->tstart*Dp8390BufSz);
1993/1118		else dp8390write(dp8390, dp8390->tstart*Dp8390BufSz, buf, n);
1993/1120		pkt = ðer->tpkt; memmove(pkt, buf, len);
1993/1118		dp8390outb(port+Tbcr0, n & 0xFF); dp8390outb(port+Tbcr1, (n>>8) & 0xFF);
1993/1120		/* * Give the packet a source address and make sure it * is of minimum length. */ memmove(pkt->s, ether->ea, sizeof(ether->ea)); if(len < ETHERMINTU){ memset(pkt->d+len, 0, ETHERMINTU-len); len = ETHERMINTU; } if(dp8390->ram == 0) dp8390write(dp8390, dp8390->tstart*Dp8390BufSz, pkt, len); dp8390outb(port+Tbcr0, len & 0xFF); dp8390outb(port+Tbcr1, (len>>8) & 0xFF);
1993/1118		dp8390outb(port+Cr, Page0|RDMAabort|Txp|Sta); return n;
1993/1120		return len;
1993/0212		}
1993/1116		static void
1993/1119/sys/src/9/pc/ether8390.c:551,557 – 1993/1120/sys/src/9/pc/ether8390.c:569,574
1992/1222		*/
1993/1118		dp8390outb(port+Imr, 0x00); while(isr = dp8390inb(port+Isr)){
1993/1119		print("I%2.2ux|", isr);
1992/1222		if(isr & Ovw){
1993/1116		overflow(ether);