1999/0515/alphapc/devether.c (diff list | history)

1999/0515/sys/src/9/alphapc/devether.c:130,140 – 2000/0401/sys/src/9/alphapc/devether.c:130,140 (short | long | prev | next)
1999/0415		} Block* etheriq(Ether* ether, Block* bp, int freebp)
2000/0401		etheriq(Ether* ether, Block* bp, int fromwire)
1999/0415		{ Etherpkt *pkt; ushort type; int len;
2000/0401		int len, multi, tome, fromme;
1999/0415		Netfile **ep, *f, **fp, *fx; Block *xbp;
1999/0515/sys/src/9/alphapc/devether.c:146,155 – 2000/0401/sys/src/9/alphapc/devether.c:146,156
1999/0415		fx = 0; ep = ðer->f[Ntypes];
2000/0401		multi = pkt->d[0] & 1;
1999/0415		/* check for valid multcast addresses */ if((pkt->d[0] & 1) && memcmp(pkt->d, ether->bcast, sizeof(pkt->d)) && ether->prom == 0){
2000/0401		if(multi && memcmp(pkt->d, ether->bcast, sizeof(pkt->d)) && ether->prom == 0){
1999/0415		if(!activemulti(ether, pkt->d, sizeof(pkt->d))){ if(freebp){
2000/0401		if(fromwire){
1999/0415		freeb(bp); bp = 0; }
1999/0515/sys/src/9/alphapc/devether.c:157,172 – 2000/0401/sys/src/9/alphapc/devether.c:158,182
1999/0415		} }
2000/0401		/* is it for me? */ tome = memcmp(pkt->d, ether->ea, sizeof(pkt->d)) == 0; fromme = memcmp(pkt->s, ether->ea, sizeof(pkt->s)) == 0;
1999/0415		/* * Multiplex the packet to all the connections which want it. * If the packet is not to be used subsequently (freebp != 0),
2000/0401		* If the packet is not to be used subsequently (fromwire != 0),
1999/0415		* attempt to simply pass it into one of the connections, thereby * saving a copy of the data (usual case hopefully). */ for(fp = ether->f; fp < ep; fp++){ if((f = *fp) && (f->type == type || f->type < 0)){ if(f->type > -2){ if(freebp && fx == 0)
2000/0401		if(f = *fp) if(f->type == type || f->type < 0) if(tome || multi || f->prom){ /* Don't want to hear bridged packets */ if(f->bridge && !fromwire && !fromme) continue; if(!f->headersonly){ if(fromwire && fx == 0)
1999/0415		fx = f; else if(xbp = iallocb(len)){ memmove(xbp->wp, pkt, len);
1999/0515/sys/src/9/alphapc/devether.c:182,191 – 2000/0401/sys/src/9/alphapc/devether.c:192,202
1999/0415		} if(fx){ qpass(fx->in, bp);
2000/0401		if(qpass(fx->in, bp) < 0) ether->soverflows++;
1999/0415		return 0; } if(freebp){
2000/0401		if(fromwire){
1999/0415		freeb(bp); return 0; }
1999/0515/sys/src/9/alphapc/devether.c:207,219 – 2000/0401/sys/src/9/alphapc/devether.c:218,232
1999/0415		* in promiscuous mode. * If it's a loopback packet indicate to etheriq that the data isn't * needed and return, etheriq will pass-on or free the block.
2000/0401		* To enable bridging to work, only packets that were originated * by this interface are fed back.
1999/0415		*/ pkt = (Etherpkt*)bp->rp; len = BLEN(bp); loopback = (memcmp(pkt->d, ether->ea, sizeof(pkt->d)) == 0);
2000/0401		loopback = memcmp(pkt->d, ether->ea, sizeof(pkt->d)) == 0;
1999/0415		if(loopback || memcmp(pkt->d, ether->bcast, sizeof(pkt->d)) == 0 || ether->prom){ s = splhi(); etheriq(ether, bp, loopback);
2000/0401		etheriq(ether, bp, 0);
1999/0415		splx(s); }
1999/0515/sys/src/9/alphapc/devether.c:220,226 – 2000/0401/sys/src/9/alphapc/devether.c:233,240
1999/0415		if(!loopback){ qbwrite(ether->oq, bp); ether->transmit(ether); }
2000/0401		} else freeb(bp);
1999/0415		return len; }
1999/0515/sys/src/9/alphapc/devether.c:354,362 – 2000/0401/sys/src/9/alphapc/devether.c:368,377
1999/0415		*/ if(ether->irq == 2) ether->irq = 9; intrenable(VectorPCI+ether->irq, ether->interrupt, ether, ether->tbdf);
2000/0401		snprint(name, sizeof(name), "ether%d", ctlrno); intrenable(ether->irq, ether->interrupt, ether, ether->tbdf, name);
1999/0415
1999/0515		i = sprint(buf, "#l%d: %s: %dMbps port 0x%luX irq %ld",
2000/0401		i = sprint(buf, "#l%d: %s: %dMbps port 0x%luX irq %lud",
1999/0415		ctlrno, ether->type, ether->mbps, ether->port, ether->irq); if(ether->mem) i += sprint(buf+i, " addr 0x%luX", PADDR(ether->mem));
1999/0515/sys/src/9/alphapc/devether.c:368,374 – 2000/0401/sys/src/9/alphapc/devether.c:383,388
1999/0415		sprint(buf+i, "\n"); print(buf); snprint(name, sizeof(name), "ether%d", ctlrno); if(ether->mbps == 100){ netifinit(ether, name, Ntypes, 256*1024); if(ether->oq == 0)