From bb973e764e8a4d645c35da12c77647343735b834 Mon Sep 17 00:00:00 2001
From: Jeremy Lakeman <Jeremy.Lakeman@gmail.com>
Date: Thu, 18 Oct 2012 10:55:53 +1030
Subject: [PATCH] Don't send duplicate payloads over unicast

---
 overlay_interface.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/overlay_interface.c b/overlay_interface.c
index abeb69ea..3290e1be 100644
--- a/overlay_interface.c
+++ b/overlay_interface.c
@@ -1186,7 +1186,8 @@ overlay_stuff_packet(struct outgoing_packet *packet, overlay_txqueue *queue, tim
       }
     }else{
       frame->send_copies --;
-      if (frame->send_copies>0)
+      // ignore resend logic for unicast packets, where wifi gives better resilience
+      if (frame->send_copies>0 && !packet->unicast)
 	keep_payload=1;
     }