Made sure that two packets sent consecutively from the same node do not interfere with each other

platform/netsim/ether.c

@@ -30,7 +30,7 @@
  *
  * Author: Adam Dunkels <adam@sics.se>
  *
- * $Id: ether.c,v 1.7 2007/03/29 22:25:25 adamdunkels Exp $
+ * $Id: ether.c,v 1.8 2007/03/31 18:47:27 adamdunkels Exp $
  */
 /**
  * \file
@@ -434,7 +434,15 @@ ether_tick(void)
 	       ((q->x - x) * (q->x - x) +
 		(q->y - y) * (q->y - y) <=
 		ether_strength() * ether_strength())) {
+
+	      /* If the potentially interfering packets were sent from
+		 the same node, then they don't interfere with each
+		 other. Otherwise they interfere and we sent the
+		 interference flag to 1. */
+	      if(p->x != q->x ||
+		 p->y != q->y) {
 		interference = 1;
+	      }
 	      break;
 	    }
 	  }