From 5b0b36c39eb805586cec01e5ea9f250c32229d87 Mon Sep 17 00:00:00 2001
From: joxe <joxe>
Date: Thu, 12 Nov 2009 14:05:42 +0000
Subject: [PATCH] accept messages to all routers if UIP_CONF_ROUTER is set.

---
 core/net/uip.h  | 15 ++++++++++++++-
 core/net/uip6.c |  5 +++--
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/core/net/uip.h b/core/net/uip.h
index 4484e3343..d7ead657b 100644
--- a/core/net/uip.h
+++ b/core/net/uip.h
@@ -47,7 +47,7 @@
  *
  * This file is part of the uIP TCP/IP stack.
  *
- * $Id: uip.h,v 1.24 2009/04/06 13:18:50 nvt-se Exp $
+ * $Id: uip.h,v 1.25 2009/11/12 14:05:42 joxe Exp $
  *
  */
 
@@ -1950,6 +1950,19 @@ CCIF extern uip_lladdr_t uip_lladdr;
    (((a)->u8[14]) == 0) &&                          \
    (((a)->u8[15]) == 0x01))
 
+/** \brief Is IPv6 address a the link local all-routers multicast address */
+#define uip_is_addr_linklocal_allrouters_mcast(a)     \
+  ((((a)->u8[0]) == 0xff) &&                        \
+   (((a)->u8[1]) == 0x02) &&                        \
+   (((a)->u16[1]) == 0) &&                          \
+   (((a)->u16[2]) == 0) &&                          \
+   (((a)->u16[3]) == 0) &&                          \
+   (((a)->u16[4]) == 0) &&                          \
+   (((a)->u16[5]) == 0) &&                          \
+   (((a)->u16[6]) == 0) &&                          \
+   (((a)->u8[14]) == 0) &&                          \
+   (((a)->u8[15]) == 0x02))
+
 /** \brief set IP address a to unspecified */
 #define uip_create_unspecified(a) uip_ip6addr(a, 0, 0, 0, 0, 0, 0, 0, 0)
 
diff --git a/core/net/uip6.c b/core/net/uip6.c
index a9cb65ecc..c4e647af3 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 1.7 2009/10/27 22:34:08 adamdunkels Exp $
+ * $Id: uip6.c,v 1.8 2009/11/12 14:05:42 joxe Exp $
  *
  */
 
@@ -1103,7 +1103,8 @@ uip_process(u8_t flag)
       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)) {
+    } else if(!uip_is_addr_linklocal_allnodes_mcast(&UIP_IP_BUF->destipaddr) &&
+	      !uip_is_addr_linklocal_allrouters_mcast(&UIP_IP_BUF->destipaddr)) {
       PRINTF("Dropping packet, not for me\n");
       UIP_STAT(++uip_stat.ip.drop);
       goto drop;