From 081ff02ec9336330a2923fcfdd9ebfb277a9f97d Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Fri, 27 Jun 2014 15:18:18 -0600
Subject: [PATCH] Add net/README.txt

---
 ChangeLog                  |  2 +-
 Documentation/README.html  |  4 +++-
 Documentation/acronyms.txt | 43 ++++++++++++++++++++++++++++++++++++++
 README.txt                 |  2 ++
 net/README.txt             | 38 +++++++++++++++++++++++++++++++++
 5 files changed, 87 insertions(+), 2 deletions(-)
 create mode 100755 Documentation/acronyms.txt
 create mode 100644 net/README.txt

diff --git a/ChangeLog b/ChangeLog
index 741adb425a..aaa9240d0e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7549,6 +7549,6 @@
 	  file.  From Max Neklyudov (2104-6-27).
 	* arch/arm/src/sam34:  Various fixes PMC and clock configuration for the
 	  SAM4CM port from Max Neklyudov (2104-6-27).
-	* configs/sama5d4-ek/src/dram_main.c: SAMA5D4:  Bootloader needs to flushi
+	* configs/sama5d4-ek/src/dram_main.c: SAMA5D4:  Bootloader needs to flush
 	  D-Cache to memory before disabling the caches (2014-6-27).
 
diff --git a/Documentation/README.html b/Documentation/README.html
index 87a27f4a68..b2a8775d08 100644
--- a/Documentation/README.html
+++ b/Documentation/README.html
@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttX README Files</i></font></big></h1>
-      <p>Last Updated:  June 6, 2014</p>
+      <p>Last Updated:  June 27, 2014</p>
     </td>
   </tr>
 </table>
@@ -284,6 +284,8 @@
  |   |   `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/libxx/README.txt"><b><i>README.txt</i></b></a>
  |   |- mm/
  |   |   `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/mm/README.txt"><b><i>README.txt</i></b></a>
+ |   |- net/
+ |   |   `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/net/README.txt"><b><i>README.txt</i></b></a>
  |   |- syscall/
  |   |   `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/syscall/README.txt"><b><i>README.txt</i></b></a>
  |   `- tools/
diff --git a/Documentation/acronyms.txt b/Documentation/acronyms.txt
new file mode 100755
index 0000000000..eb78239cea
--- /dev/null
+++ b/Documentation/acronyms.txt
@@ -0,0 +1,43 @@
+AIC    Advanced Interrupt Controller (Atmel SAM)
+ADC    Analog to Digital Conversion
+ARP    Address Resolution Protocol (networking)
+BCH    Block to Character
+CAN    Controller Area Network
+DEVIF  Device Interface (networking)
+DAC    Digital to Analog Conversion
+DEV    Device
+DRAM   Dynamic RAM
+FAT    File Allocation Table
+FTL    FLASH Translation Layer
+I2C    Inter-Integrated Circuit
+I2S    Inter IC Sound
+ICMP   Internet Control Message Protocol (networking)
+IOB    I/O Buffer (networking)
+LIBC   The "C" Library
+MM     Memory Management/Manager
+MMC    Multi-Media Card
+MMCSD  See MMC and SD
+MTD    Memory Technology Device
+NFS    Network File System
+NETDEV Network Device (networking)
+NSH    NuttShell
+NX     NuttX, the NuttX Graphics server (graphics)
+NXFFS  NuttX Flash File System
+NXWM   The NuttX Window Manager (graphics)
+PID    Peripheral ID (Atmel SAM)
+PWM    Pulse Width Modulation
+PKT    "Raw" Packet socket (networking)
+RAM    Random Access Memory
+SAIC   Secure Advanced Interrupt Controller (Atmel SAM)
+SD     Secure Digital
+SPI    Serial Periperhal Interface
+TCP    Transmission Control Protocol (networking)
+TSC    Touchscreen Controller
+TWI    Two-Wire Interface
+UDP    User Datagram Protocol (networking)
+UART   Universal Asynchronous Receiver/Transmitter
+USB    Universal Serial Bus
+USART  Universal Synchronous/Asynchronous Receiver/Transmitter
+WDT    Watchdog Timer
+
+
diff --git a/README.txt b/README.txt
index b9de2f8a2d..b868b81bb5 100644
--- a/README.txt
+++ b/README.txt
@@ -1152,6 +1152,8 @@ nuttx
  |   `- README.txt
  |- mm/
  |   `- README.txt
+ |- net/
+ |   `- README.txt
  |- syscall/
  |   `- README.txt
  `- tools/
diff --git a/net/README.txt b/net/README.txt
new file mode 100644
index 0000000000..7370944c12
--- /dev/null
+++ b/net/README.txt
@@ -0,0 +1,38 @@
+README
+======
+
+Directory Structure
+===================
+
+  nuttx/
+   |
+   `- net/
+       |
+       +- arp      - Address resolution protocol
+       +- devif    - Stack/device interface layer
+       +- icmp     - Internet Control Message Protocol
+       +- iob      - I/O buffering logic
+       +- netdev   - Socket network device interface
+       +- pkt      - "Raw" packet socket support
+       +- socket   - BSD socket interface
+       +- route    - Routing table support
+       +- tcp      - Transmission Control Protocol
+       +- udp      - User Datagram Protocol
+       `- utils    - Miscellaneous utility functions
+
+
+    +-------------------------------------------------------------+
+    |                   Application layer                         |
+    +-------------------------------------------------------------+
+    +-------------------------------------------------------------+
+    |                 Socket layer (socket/)                      |
+    +-------------------------------------------------------------+
+    +------------++-----------------------------------------------+
+    |  Network   ||  Protocol stacks (arp, icmp, pkt, tcp, udp)   |
+    |   Device   |+-----------------------------------------------+
+    | Interface  |+---------------------------------++------------+
+    | (netdev/)  ||Network Device Interface (devif/)|| Utilities  |
+    +------------++---------------------------------++------------+
+    +-------------------------------------------------------------+
+    |                  Network Device Drivers                     |
+    +-------------------------------------------------------------+