lwip-0.7.1

所属分类:嵌入式/单片机/硬件编程
开发工具:C/C++
文件大小:318KB
下载次数:54
上传日期:2005-08-10 14:28:35
上 传 者samsung
说明:  超轻量级TCP/IP协议栈源代码,可用于嵌入式开发学习
(simple TCP/IP protocol souce code,be used in embeded develop study)

文件列表:
lwip-0.7.1 (0, 2004-02-06)
lwip-0.7.1\CHANGELOG (12560, 2004-02-06)
lwip-0.7.1\COPYING (1611, 2002-10-20)
lwip-0.7.1\doc (0, 2004-02-06)
lwip-0.7.1\doc\contrib.txt (3431, 2003-06-05)
lwip-0.7.1\doc\rawapi.txt (12146, 2002-10-20)
lwip-0.7.1\doc\savannah.txt (4007, 2004-01-20)
lwip-0.7.1\doc\sys_arch.txt (7957, 2003-05-19)
lwip-0.7.1\FILES (142, 2003-04-01)
lwip-0.7.1\src (0, 2004-02-06)
lwip-0.7.1\src\api (0, 2004-02-06)
lwip-0.7.1\src\api\api_lib.c (15721, 2003-11-14)
lwip-0.7.1\src\api\api_msg.c (19309, 2003-11-14)
lwip-0.7.1\src\api\err.c (2092, 2003-11-14)
lwip-0.7.1\src\api\sockets.c (35890, 2003-11-14)
lwip-0.7.1\src\api\tcpip.c (4398, 2003-11-14)
lwip-0.7.1\src\core (0, 2004-02-06)
lwip-0.7.1\src\core\dhcp.c (51718, 2003-12-28)
lwip-0.7.1\src\core\inet.c (9240, 2003-11-14)
lwip-0.7.1\src\core\inet6.c (4290, 2003-11-14)
lwip-0.7.1\src\core\ipv4 (0, 2004-02-06)
lwip-0.7.1\src\core\ipv4\icmp.c (6068, 2004-01-20)
lwip-0.7.1\src\core\ipv4\ip.c (16673, 2003-11-14)
lwip-0.7.1\src\core\ipv4\ip_addr.c (1832, 2003-04-16)
lwip-0.7.1\src\core\ipv4\ip_frag.c (11106, 2003-11-14)
lwip-0.7.1\src\core\ipv6 (0, 2004-02-06)
lwip-0.7.1\src\core\ipv6\icmp6.c (5381, 2003-11-14)
lwip-0.7.1\src\core\ipv6\ip6.c (10681, 2003-11-14)
lwip-0.7.1\src\core\ipv6\ip6_addr.c (3231, 2003-11-14)
lwip-0.7.1\src\core\mem.c (8405, 2003-11-14)
lwip-0.7.1\src\core\memp.c (7141, 2003-12-28)
lwip-0.7.1\src\core\netif.c (7879, 2003-12-28)
lwip-0.7.1\src\core\pbuf.c (29769, 2003-12-28)
lwip-0.7.1\src\core\raw.c (8389, 2003-11-14)
lwip-0.7.1\src\core\stats.c (1846, 2003-11-14)
lwip-0.7.1\src\core\sys.c (7706, 2003-11-14)
lwip-0.7.1\src\core\tcp.c (34594, 2004-01-20)
lwip-0.7.1\src\core\tcp_in.c (39980, 2004-01-20)
... ...

INTRODUCTION lwIP is a small independent implementation of the TCP/IP protocol suite that has been developed by Adam Dunkels at the Computer and Networks Architectures (CNA) lab at the Swedish Institute of Computer Science (SICS). 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 tenths of kilobytes of free RAM and room for around 40 kilobytes of code ROM. FEATURES * IP (Internet Protocol) including packet forwarding over multiple network interfaces * ICMP (Internet Control Message Protocol) for network maintenance and debugging * UDP (User Datagram Protocol) including experimental UDP-lite extensions * TCP (Transmission Control Protocol) with congestion control, RTT estimation and fast recovery/fast retransmit * Specialized API for enhanced performance * Optional Berkeley socket API 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, CVS and the mailing list. A core team of developers will commit changes to the CVS source tree. The lwIP TCP/IP stack is maintained in the 'lwip' CVS module and contributions (such as platform ports) are in the 'contrib' module. The CVS main trunk is the stable branch, which contains bug fixes and tested features. The latest stable branch can be checked out by doing: cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip login cvs -z3 -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip co lwip The 'STABLE' tag in the stable branch will represent the most stable revision (which may be somewhat older to protect us from errors introduced by merges). This 'STABLE' tagged version can be checked out by doing: cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip login cvs -z3 -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip co -r STABLE lwip The 'DEVEL' branch is the active development branch, which contains bleeding edge changes, and may be instable. It can be checkout by doing: cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip login cvs -z3 -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip co -r DEVEL lwip The current contrib CVS tree can be checked out by doing: cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip login cvs -z3 -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip co contrib Last night's CVS tar ball can be downloaded from: http://savannah.gnu.org/cvs.backups/lwip.tar.gz The current CVS trees are web-browsable: http://savannah.nongnu.org/cgi-bin/viewcvs/lwip/lwip/ http://savannah.nongnu.org/cgi-bin/viewcvs/lwip/contrib/ Submit patches and bugs via the lwIP project page: http://savannah.nongnu.org/projects/lwip/ DOCUMENTATION The original out-dated homepage of lwIP and Adam Dunkels' papers on lwIP are at the official lwIP home page: http://www.sics.se/~adam/lwip/ Self documentation of the source code is regularly extracted from the current CVS sources and is available from this web page: http://www.nongnu.org/lwip/ 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 Leon Woestenberg

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