Add lwip2.1.2

sync from 7.1 ed3daf7d19d429bc9e57d9bc818d5160ec184695

component/common/network/lwip/lwip_v2.1.2/CHANGELOG_BY_REALTEK.txt

@@ -0,0 +1,5 @@
+
+Modifications made by Realtek to patch lwip_v2.0.0 on Ameba's SDK which is originally based on lwip_v1.4.1
+
+2017-01-10: Chris ([email protected])
+    * Add empty loopif.h into src/include/netif to avoid compile error

component/common/network/lwip/lwip_v2.1.2/CMakeLists.txt

@@ -0,0 +1,20 @@
+cmake_minimum_required(VERSION 3.7)
+
+project(lwIP)
+
+set(LWIP_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+include(src/Filelists.cmake)
+
+# Package generation
+set(CPACK_SOURCE_GENERATOR "ZIP")
+set(CPACK_SOURCE_PACKAGE_DESCRIPTION_SUMMARY "lwIP lightweight IP stack")
+set(CPACK_PACKAGE_VERSION_MAJOR "${LWIP_VERSION_MAJOR}")
+set(CPACK_PACKAGE_VERSION_MINOR "${LWIP_VERSION_MINOR}")
+set(CPACK_PACKAGE_VERSION_PATCH "${LWIP_VERSION_REVISION}")
+set(CPACK_SOURCE_IGNORE_FILES "/build/;${CPACK_SOURCE_IGNORE_FILES};.git")
+set(CPACK_SOURCE_PACKAGE_FILE_NAME "lwip-${LWIP_VERSION_MAJOR}.${LWIP_VERSION_MINOR}.${LWIP_VERSION_REVISION}")
+include(CPack)
+
+# Target for package generation
+add_custom_target(dist COMMAND ${CMAKE_MAKE_PROGRAM} package_source)
+add_dependencies(dist lwipdocs)

component/common/network/lwip/lwip_v2.1.2/COPYING

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels <[email protected]>
+ *
+ */
+
+

component/common/network/lwip/lwip_v2.1.2/FEATURES

@@ -0,0 +1,11 @@
+lwIP is a small independent implementation of the TCP/IP protocol suite targeted at embedded systems.
+
+The focus of the lwIP TCP/IP implementation is to reduce resource usage while still having a full scale TCP. This makes lwIP suitable for use in embedded systems with tens of kilobytes of free RAM and room for around 40 kilobytes of code ROM.
+
+Main features include:
+- Protocols: IP, IPv6, ICMP, ND, MLD, UDP, TCP, IGMP, ARP, PPPoS, PPPoE, 6LowPAN (via IEEE 802.15.4, BLE or ZEP; since v2.1.0)
+- DHCP client, stateless DHCPv6 (since v2.1.0), DNS client (incl. mDNS hostname resolver), AutoIP/APIPA (Zeroconf), SNMP agent (v1, v2c, v3 (since v2.1.0), private MIB support & MIB compiler)
+- APIs: specialized APIs for enhanced performance & zero copy, optional Berkeley-alike socket API
+- Extended features: IP forwarding over multiple network interfaces
+- Extended TCP features: congestion control, RTT estimation and fast recovery/fast retransmit, sending SACKs (since v2.1.0), "altcp": nearly transparent TLS for any tcp pcb (since v2.1.0)
+- Addon applications: HTTP server (HTTPS via altcp), HTTP(S) client (since v2.1.0), SNTP client, SMTP client (SMTPS via altcp), ping, NetBIOS nameserver, mDNS responder, MQTT client (TLS support since v2.1.0), TFTP server, iPerf2 counterpart

component/common/network/lwip/lwip_v2.1.2/FILES

@@ -0,0 +1,5 @@
+src/      - The source code for the lwIP TCP/IP stack.
+doc/      - The documentation for lwIP.
+test/     - Some code to test whether the sources do what they should.
+
+See also the FILES file in each subdirectory.

component/common/network/lwip/lwip_v2.1.2/README

@@ -0,0 +1,106 @@
+INTRODUCTION
+
+lwIP is a small independent implementation of the TCP/IP protocol suite.
+
+The focus of the lwIP TCP/IP implementation is to reduce the RAM usage
+while still having a full scale TCP. This making lwIP suitable for use
+in embedded systems with tens of kilobytes of free RAM and room for
+around 40 kilobytes of code ROM.
+
+lwIP was originally developed by Adam Dunkels at the Computer and Networks
+Architectures (CNA) lab at the Swedish Institute of Computer Science (SICS)
+and is now developed and maintained by a worldwide network of developers.
+
+FEATURES
+
+  * IP (Internet Protocol, IPv4 and IPv6) including packet forwarding over
+    multiple network interfaces
+  * ICMP (Internet Control Message Protocol) for network maintenance and debugging
+  * IGMP (Internet Group Management Protocol) for multicast traffic management
+  * MLD (Multicast listener discovery for IPv6). Aims to be compliant with 
+    RFC 2710. No support for MLDv2
+  * ND (Neighbor discovery and stateless address autoconfiguration for IPv6).
+    Aims to be compliant with RFC 4861 (Neighbor discovery) and RFC 4862
+    (Address autoconfiguration)
+  * DHCP, AutoIP/APIPA (Zeroconf) and (stateless) DHCPv6
+  * UDP (User Datagram Protocol) including experimental UDP-lite extensions
+  * TCP (Transmission Control Protocol) with congestion control, RTT estimation
+    fast recovery/fast retransmit and sending SACKs
+  * raw/native API for enhanced performance
+  * Optional Berkeley-like socket API
+  * TLS: optional layered TCP ("altcp") for nearly transparent TLS for any
+    TCP-based protocol (ported to mbedTLS) (see changelog for more info)
+  * PPPoS and PPPoE (Point-to-point protocol over Serial/Ethernet)
+  * DNS (Domain name resolver incl. mDNS)
+  * 6LoWPAN (via IEEE 802.15.4, BLE or ZEP)
+
+
+APPLICATIONS
+
+  * HTTP server with SSI and CGI (HTTPS via altcp)
+  * SNMPv2c agent with MIB compiler (Simple Network Management Protocol), v3 via altcp
+  * SNTP (Simple network time protocol)
+  * NetBIOS name service responder
+  * MDNS (Multicast DNS) responder
+  * iPerf server implementation
+  * MQTT client (TLS support via altcp)
+
+
+LICENSE
+
+lwIP is freely available under a BSD license.
+
+
+DEVELOPMENT
+
+lwIP has grown into an excellent TCP/IP stack for embedded devices,
+and developers using the stack often submit bug fixes, improvements,
+and additions to the stack to further increase its usefulness.
+
+Development of lwIP is hosted on Savannah, a central point for
+software development, maintenance and distribution. Everyone can
+help improve lwIP by use of Savannah's interface, Git and the
+mailing list. A core team of developers will commit changes to the
+Git source tree.
+
+The lwIP TCP/IP stack is maintained in the 'lwip' Git module and
+contributions (such as platform ports) are in the 'contrib' Git module.
+
+See doc/savannah.txt for details on Git server access for users and
+developers.
+
+The current Git trees are web-browsable:
+  http://git.savannah.gnu.org/cgit/lwip.git
+  http://git.savannah.gnu.org/cgit/lwip/lwip-contrib.git
+
+Submit patches and bugs via the lwIP project page:
+  http://savannah.nongnu.org/projects/lwip/
+
+Continuous integration builds (GCC, clang):
+  https://travis-ci.org/yarrick/lwip-merged
+
+
+DOCUMENTATION
+
+Self documentation of the source code is regularly extracted from the current
+Git sources and is available from this web page:
+  http://www.nongnu.org/lwip/
+
+There is now a constantly growing wiki about lwIP at
+  http://lwip.wikia.com/wiki/LwIP_Wiki
+
+Also, there are mailing lists you can subscribe at
+  http://savannah.nongnu.org/mail/?group=lwip
+plus searchable archives:
+  http://lists.nongnu.org/archive/html/lwip-users/
+  http://lists.nongnu.org/archive/html/lwip-devel/
+
+lwIP was originally written by Adam Dunkels:
+  http://dunkels.com/adam/
+
+Reading Adam's papers, the files in docs/, browsing the source code
+documentation and browsing the mailing list archives is a good way to
+become familiar with the design of lwIP.
+
+Adam Dunkels <[email protected]>
+Leon Woestenberg <[email protected]>