allocate longer queues for gigabit interfaces

Reference: /n/sources/patch/applied/more-gbe-buffering
Date: Sun May 15 00:22:07 CES 2005

--- /sys/src/9/pc/devether.c	Sun May 15 00:21:36 2005
+++ /sys/src/9/pc/devether.c	Sun May 15 00:21:34 2005
@@ -425,7 +425,11 @@
 	sprint(buf+i, "\n");
 	print(buf);
 
-	if(ether->mbps >= 100){
+	if (ether->mbps >= 1000) {
+		netifinit(ether, name, Ntypes, 512*1024);
+		if(ether->oq == 0)
+			ether->oq = qopen(512*1024, Qmsg, 0, 0);
+	} else if(ether->mbps >= 100){
 		netifinit(ether, name, Ntypes, 256*1024);
 		if(ether->oq == 0)
 			ether->oq = qopen(256*1024, Qmsg, 0, 0);