From de7e070e684796f52cf5b4466e7b16755a3a92c8 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sat, 20 Oct 2012 21:42:19 +0000
Subject: Update documentation for recently added configuration options

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5241 42af7a65-404d-4744-a932-0658087f49c3
---
 nuttx/Documentation/NuttShell.html         |  8 +++++++
 nuttx/Documentation/NuttxPortingGuide.html | 34 ++++++++++++++++++++++++++++++
 nuttx/configs/README.txt                   | 21 ++++++++++++++++++
 3 files changed, 63 insertions(+)

(limited to 'nuttx')

diff --git a/nuttx/Documentation/NuttShell.html b/nuttx/Documentation/NuttShell.html
index bcf62a5a9..ad204f5dc 100644
--- a/nuttx/Documentation/NuttShell.html
+++ b/nuttx/Documentation/NuttShell.html
@@ -2559,6 +2559,13 @@ nsh>
       If set, a bogus MAC will be assigned.
     </td>
   </tr>
+  <tr>
+    <td valign="top"><b><code>CONFIG_NSH_MAX_ROUNDTRIP</code></b></td>
+    <td>
+      This is the maximum round trip for a response to a ICMP ECHO request.
+      It is in units of deciseconds.  The default is 20 (2 seconds).
+    </td>
+  </tr>
 </table></center>
 
 <p>
@@ -3537,6 +3544,7 @@ mount -t vfat /dev/ram1 /tmp
   <li><a href="#nshconfiguration"><code>CONFIG_NSH_IOBUFFER_SIZE</code></a></li>
   <li><a href="#nshconfiguration"><code>CONFIG_NSH_IPADDR</code></a></li>
   <li><a href="#nshconfiguration"><code>CONFIG_NSH_LINELEN</code></a></li>
+  <li><a href="#nshconfiguration"><code>CONFIG_NSH_MAX_ROUNDTRIP</code></a></li>
   <li><a href="#nshconfiguration"><code>CONFIG_NSH_NESTDEPTH</code></a></li>
   <li><a href="#nshconfiguration"><code>CONFIG_NSH_NETMASK</code></a></li>
   <li><a href="#nshconfiguration"><code>CONFIG_NSH_NOMAC</code></a></li>
diff --git a/nuttx/Documentation/NuttxPortingGuide.html b/nuttx/Documentation/NuttxPortingGuide.html
index bf2a0cc4f..a16032db5 100644
--- a/nuttx/Documentation/NuttxPortingGuide.html
+++ b/nuttx/Documentation/NuttxPortingGuide.html
@@ -4445,6 +4445,35 @@ build
   <code>CONFIG_ARCH_BZERO</code>
 </p></ul>
 
+<p><li>
+  If <code>CONFIG_ARCH_MEMCPY</code> is <b>not</b> selected, then you make also select Daniel
+  Vik's optimized implementation of <code>memcpy()</code>:
+</p>
+  <ul><li>
+    <code>CONFIG_MEMCPY_VIK</code>:
+    Select this option to use the optimized <code>memcpy()</code> function by Daniel Vik.
+    See licensing information in the top-level <code>COPYING</code> file.
+    Default: <code>n</code>.
+  </li></ul>
+
+<p>
+  And if <code>CONFIG_MEMCPY_VIK</code>, the following tuning options are available:
+</p>
+<ul><li>
+    <code>CONFIG_MEMCPY_PRE_INC_PTRS</code>:
+    Use pre-increment of pointers.
+    Default is post increment of pointers.
+</li>
+<li>
+    <code>CONFIG_MEMCPY_INDEXED_COPY</code>
+    Copying data using array indexing.
+    Using this option, disables the <code>CONFIG_MEMCPY_PRE_INC_PTRS</code> option.
+</li>
+<li>
+    <code>CONFIG_MEMCPY_64BIT</code>:
+    Compiles memcpy for 64 bit architectures
+</li></ul>
+
 <li>
   <p>
     The architecture may provide custom versions of certain standard header files:
@@ -5180,6 +5209,11 @@ build
   <li>
     <code>CONFIG_NET_RESOLV_ENTRIES</code>: Number of resolver entries
   </li>
+  <li>
+    <code>CONFIG_NET_RESOLV_MAXRESPONSE</code>:
+    This setting determines the maximum size of response message that can be received by the DNS resolver.
+    The default is 96 but may need to be larger on enterprise networks (perhaps 176).
+  </li>
 </ul>
 
 <h3>THTTPD</h3>
diff --git a/nuttx/configs/README.txt b/nuttx/configs/README.txt
index e6bde645d..cc65540d7 100644
--- a/nuttx/configs/README.txt
+++ b/nuttx/configs/README.txt
@@ -621,6 +621,23 @@ defconfig -- This is a configuration file similar to the Linux
       CONFIG_ARCH_STRNCPY, CONFIG_ARCH_STRLEN, CONFIG_ARCH_STRNLEN
       CONFIG_ARCH_BZERO
 
+  If CONFIG_ARCH_MEMCPY is not selected, then you make also select Daniel
+  Vik's optimized implementation of memcpy():
+
+    CONFIG_MEMCPY_VIK - Select this option to use the optimized memcpy()
+      function by Daniel Vik.  See licensing information in the top-level
+      COPYING file.  Default: n
+
+  And if CONFIG_MEMCPY_VIK, the following tuning options are available:
+
+    CONFIG_MEMCPY_PRE_INC_PTRS - Use pre-increment of pointers. Default is
+      post increment of pointers.
+
+    CONFIG_MEMCPY_INDEXED_COPY - Copying data using array indexing. Using
+      this option, disables the CONFIG_MEMCPY_PRE_INC_PTRS option.
+
+    CONFIG_MEMCPY_64BIT - Compiles memcpy for 64 bit architectures
+
   The architecture may provide custom versions of certain standard header
   files:
 
@@ -1078,6 +1095,10 @@ defconfig -- This is a configuration file similar to the Linux
 
     CONFIG_NET_DHCP_LIGHT - Reduces size of DHCP
     CONFIG_NET_RESOLV_ENTRIES - Number of resolver entries
+    CONFIG_NET_RESOLV_MAXRESPONSE - This setting determines the maximum
+      size of response message that can be received by the DNS resolver.
+      The default is 96 but may need to be larger on enterprise networks
+      (perhaps 176).
 
   THTTPD
 
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