Hello Christian, I think eCos only comes with LwIP 1.3.2 which does not support IPv6.
For IPv6 support you need to get the latest version, 1.5.0 BETA, or get the current HEAD development version from the GIT repository.
There were some API changes from 1.3.2 to 1.4.0 (1.5.0 API is more or less the same). So you'd have to make some changes to sys_arch.c and related files, and to your netif driver as well. Also include some new source files in your makefile.
IPv6 support is in BETA stage, however some of us have been using it for over 2 years.
Cheers Ivan
Date: Wed, 27 Mar 2013 13:00:52 +0100 From: [email protected] To: [email protected] Subject: [lwip-users] lwIP instead of BSD stack regarding IPv6 Message-ID: <[email protected]> Content-Type: text/plain; charset="utf-8" Hello, i have a project where IPv6 is required. I have to examine the lwIP?s TCP/IP stack regarding its IPv6 capability and if it is an alternative to the BSD stack. Because of having limited memory space on the embedded target controller, lwIP with the lower footprint is preferred. Since I am just a rookie I considered to join the mailing list. I have some questions especially using the IPv6 stack. Are there any experiences? Or restrictions for using it?? The operating system in my project is eCos. The current version of the lwIP stack is not implemented, but v1.3.2. One concrete question is concerning the address eCosCentric in the limitations: ?The DNS client support only returns IPv4 addresses?. What does this mean? I hope anybody can help me and has already some experiences about IPv6. Thank you very much! Best regards, Christian --- Alle Postf?cher an einem Ort. Jetzt wechseln und E-Mail-Adresse mitnehmen! Rundum gl?cklich mit freenetMail
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