From e2bbdbca9b0001b6ddb0fa998aceca3490e40cb3 Mon Sep 17 00:00:00 2001
From: nvt-se <nvt-se>
Date: Tue, 19 May 2009 11:54:50 +0000
Subject: [PATCH] decrement TTL right after forwarding check.

---
 core/net/uip6.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/core/net/uip6.c b/core/net/uip6.c
index ddd9e2923..f63cfe430 100644
--- a/core/net/uip6.c
+++ b/core/net/uip6.c
@@ -41,7 +41,7 @@
  *
  * This file is part of the uIP TCP/IP stack.
  *
- * $Id: uip6.c,v 1.5 2009/04/06 13:18:51 nvt-se Exp $
+ * $Id: uip6.c,v 1.6 2009/05/19 11:54:50 nvt-se Exp $
  *
  */
 
@@ -1092,6 +1092,9 @@ uip_process(u8_t flag)
       PRINTF("Forwarding packet to ");
       PRINT6ADDR(&UIP_IP_BUF->destipaddr);
       PRINTF("\n");
+
+      /* Decrement the TTL (time-to-live) value in the IP header */
+      UIP_IP_BUF->ttl = UIP_IP_BUF->ttl - 1;
       UIP_STAT(++uip_stat.ip.forwarded);
       goto send;
     } else if(!uip_is_addr_linklocal_allnodes_mcast(&UIP_IP_BUF->destipaddr)) {