From 1bd06bee82092d8781e9cf223b76c3310e95bb3e Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon>
Date: Thu, 2 Dec 2010 20:09:58 +0000
Subject: [PATCH] Added note about changed ARP_QUEUEING==0

---
 UPGRADING | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/UPGRADING b/UPGRADING
index 215ad88d..6501107a 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -111,11 +111,16 @@ with newer versions.
   * Added const char* name to mem- and memp-stats for easier debugging.
 
   * Calculate the TCP/UDP checksum while copying to only fetch data once:
-    Define LWIP_CHKSUM_COPY to a memcpy-like function that returns the checksum    
+    Define LWIP_CHKSUM_COPY to a memcpy-like function that returns the checksum
 
   * Added SO_REUSE_RXTOALL to pass received UDP broadcast/multicast packets to
     more than one pcb.
 
+  * Changed the semantics of ARP_QUEUEING==0: ARP_QUEUEING now cannot be turned
+    off any more, if this is set to 0, only one packet (the most recent one) is
+    queued (like demanded by RFC 1122).
+
+  
   ++ Major bugfixes/improvements
 
   * Implemented tcp_shutdown() to only shut down one end of a connection