# HG changeset patch
# User Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
# Date 1219701656 25200
# Node ID fbf628eb3ca61dcb567a36fc5bc9ad14ee9fe33a
# Parent  42988e5cce5e360dbd0867bb5feb24a7c5a0a91e
document API change

diff -r 42988e5cce5e -r fbf628eb3ca6 CHANGES.html
--- a/CHANGES.html	Mon Aug 25 10:03:38 2008 -0700
+++ b/CHANGES.html	Mon Aug 25 15:00:56 2008 -0700
@@ -61,12 +61,38 @@
 <h2>changes to existing API:</h2>
 
 <ul>
+<li>25-08-2008; changeset 
+<a href="http://code.nsnam.org/ns-3-dev/rev/e5ab96db540e">e5ab96db540e</a></li>
+<ul>
+<li>
+bug 273: constify packet pointers.<br>
+The normal and the promiscuous receive callbacks of the NetDevice API
+have been changed from:
+<pre>
+Callback<bool,Ptr<NetDevice>,Ptr<Packet>,uint16_t,const Address &>
+Callback<bool,Ptr<NetDevice>, Ptr<Packet>, uint16_t,
+         const Address &, const Address &, enum PacketType >
+</pre>
+to:
+<pre>
+Callback<bool,Ptr<NetDevice>,Ptr<const Packet>,uint16_t,const Address &>
+Callback<bool,Ptr<NetDevice>, Ptr<const Packet>, uint16_t,
+         const Address &, const Address &, enum PacketType >
+</pre>
+to avoid the kind of bugs reported in 
+<a href="http://www.nsnam.org/bugzilla/show_bug.cgi?id=273">bug 273</a>.
+Users who implement a subclass of the NetDevice base class need to change the signature
+of their SetReceiveCallback and SetPromiscReceiveCallback methods.
+</li>
+</ul>
+</li>
+
+
 <li>04-08-2008; changeset 
 <a href="http://code.nsnam.org/ns-3-dev/rev/cba7b2b80fe8">cba7b2b80fe8</a></li>
 <ul>
 <li>
-Cleanup of MTU confusion and initialization in CsmaNetDevice
-<pre>
+Cleanup of MTU confusion and initialization in CsmaNetDevice<br>
 The MTU of the CsmaNetDevice defaulted to 65535.  This did not correspond with
 the expected MTU found in Ethernet-like devices.  Also there was not clear 
 documentation regarding which MTU was being set.  There are two MTU here, one
@@ -77,13 +103,11 @@
 mode, MAC MTU and PHY MTU while keeping the three values consistent.  See the
 Doxygen of CsmaNetDevice::SetMaxPayloadLength for a detailed description of the
 issues and solution.
-</pre>
 </li>
 </ul>
 </li>
-</ul>
 
-<ul>
+
 <li>21-07-2008; changeset 
 <a href="
 http://code.nsnam.org/ns-3-dev/rev/99698bc858e8">99698bc858e8</a></li>
@@ -112,9 +136,8 @@
 </li>
 </ul>
 </li>
-</ul>
 
-<ul>
+
 <li>03-07-2008; changeset 
 <a href="http://code.nsnam.org/ns-3-dev/rev/d5f8e5fae1c6">d5f8e5fae1c6</a></li>
 <ul>
@@ -144,9 +167,8 @@
 </li>
 </ul>
 </li>
-</ul>
 
-<ul>
+
 <li>03-07-2008; changeset 
 <a href="
 http://code.nsnam.org/ns-3-dev/rev/3cdd9d60f7c7">3cdd9d60f7c7</a></li>
@@ -181,7 +203,7 @@
 </ul>
 </li>
 </ul>
-</li>
+
 
 </body>
 </html>