From 5ff45ea1e05bab9bbb36eeab2bacaea3bea783a2 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sun, 28 Nov 2010 14:13:58 +0000
Subject: [PATCH] nettest now uses only 8Kb for packet buffers

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3143 42af7a65-404d-4744-a932-0658087f49c3
---
 ChangeLog                                   | 7 ++++++-
 Documentation/NuttX.html                    | 8 +++++++-
 configs/olimex-lpc1766stk/nettest/defconfig | 4 ++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 8db65a1e1fb..2fad0a5f7f9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1367,6 +1367,11 @@
 	* net/send.c -- Check if the destination IP address is in the ARP table.  If
 	  not, then don't consider the packet sent.  It won't be, an ARP packet will go
 	  out instead.
-
+	* arch/arm/src/lpc17xx/lpc17_emacram.h and lpc17_allocateheap.c -- The Ethernet
+	  logic was using all of AHB SRAM Bank0 for Ethernet packet buffers (16Kb).  An
+	  option was added to limit the amount of SRAM used for packet buffering and to
+	  re-use any extra Bank0 memory for heap.  configs/olimex-lpc1766stk/nettest
+	  now uses only 8Kb at the beginning of Bank0; the 8Kb at the end of Bank0 is
+	  included in the heap
 
 
diff --git a/Documentation/NuttX.html b/Documentation/NuttX.html
index b150f99d628..9709a8fd842 100644
--- a/Documentation/NuttX.html
+++ b/Documentation/NuttX.html
@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
-      <p>Last Updated: November 27, 2010</p>
+      <p>Last Updated: November 28, 2010</p>
     </td>
   </tr>
 </table>
@@ -1988,6 +1988,12 @@ nuttx-5.15 2010-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
 	* net/send.c -- Check if the destination IP address is in the ARP table.  If
 	  not, then don't consider the packet sent.  It won't be, an ARP packet will go
 	  out instead.
+	* arch/arm/src/lpc17xx/lpc17_emacram.h and lpc17_allocateheap.c -- The Ethernet
+	  logic was using all of AHB SRAM Bank0 for Ethernet packet buffers (16Kb).  An
+	  option was added to limit the amount of SRAM used for packet buffering and to
+	  re-use any extra Bank0 memory for heap.  configs/olimex-lpc1766stk/nettest
+	  now uses only 8Kb at the beginning of Bank0; the 8Kb at the end of Bank0 is
+	  included in the heap
 
 pascal-2.1 2010-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
 
diff --git a/configs/olimex-lpc1766stk/nettest/defconfig b/configs/olimex-lpc1766stk/nettest/defconfig
index be6fb996037..2520b4737f4 100755
--- a/configs/olimex-lpc1766stk/nettest/defconfig
+++ b/configs/olimex-lpc1766stk/nettest/defconfig
@@ -206,7 +206,11 @@ CONFIG_PHY_KS8721=y
 CONFIG_PHY_AUTONEG=y
 CONFIG_PHY_SPEED100=n
 CONFIG_PHY_FDUPLEX=y
+CONFIG_NET_EMACRAM_SIZE=8192
+CONFIG_NET_NTXDESC=9
+CONFIG_NET_NRXDESC=9
 CONFIG_NET_REGDEBUG=n
+
 #
 # General build options
 #