2 files changed, 14 insertions(+), 7 deletions(-)

M pc/main.c
M port/tcpoutput.c

@@ 242,27 242,31 @@ confinit(void)
 	 *  size the non-standard memory
 	 */
 	x = 0x12345678;
-	for(i=1; i<16; i++){
+	for(i=2; i<17; i++){
 		/*
 		 *  write the word
 		 */
 		l = (long*)(KZERO|(i*MB));
+		l--;
 		*l = x;
 		/*
 		 *  take care of wraps
 		 */
-		for(j = 0; j < i; j++){
+		for(j = 1; j < i; j++){
 			l = (long*)(KZERO|(j*MB));
-			*l = 0;
+			l--;
+			*l = ~x;
 		}
 		/*
 		 *  check
 		 */
 		l = (long*)(KZERO|(i*MB));
+		l--;
 		if(*l != x)
 			break;
 		x += 0x3141526;
 	}
+	i--;
 	conf.base1 = 1*MB;
 	conf.npage1 = (i*MB - conf.base1)/BY2PG;
 	conf.npage = conf.npage0 + conf.npage1;

@@ 45,8 45,12 @@ tcpoutput(Ipconv *s)
 		 * window probes to one
 		 */
 		if(tcb->snd.wnd == 0){
-			if(sent != 0)
-				break;
+			if(sent != 0) {
+				if (tcb->flags&FORCE)
+						tcb->snd.ptr = tcb->snd.una;
+				else
+					break;
+			}
 			usable = 1;
 		}
 		else {


@@ 176,11 180,10 @@ tcptimeout(void *arg)
 
 	s = (Ipconv *)arg;
 	tcb = &s->tcpctl;
-
 	switch(tcb->state){
 	default:
 		tcb->backoff++;
-		if (tcb->backoff >= MAXBACKOFF) {
+		if (tcb->backoff >= MAXBACKOFF && tcb->snd.wnd > 0) {
 			localclose(s, Etimedout);
 			break;
 		}