RTEMS lwIP porting
gedare at gwu.edu
Mon Aug 10 16:53:18 UTC 2015
On Mon, Aug 10, 2015 at 12:20 PM, Daniel Gutson
<daniel.gutson at tallertechnologies.com> wrote:
> On Mon, Aug 10, 2015 at 10:48 AM, Joel Sherrill
> <joel.sherrill at oarcorp.com> wrote:
>> On 8/9/2015 4:57 AM, ragu nath wrote:
>>> Hi All,
>>> I have sent the patches for building lwIP from RSB. First patch
>>> contains changes for RTEMS Resource Builder. The second patch is RTEMS
>>> specific changes that will be applied to lwIP base.This patch contains
>>> only lwIP sources. I will be sending another patch for the driver to
>>> be used with lwIP. The application can then link to both of the
>>> libararies (lwip & driver).
>> Has the LWIP patch been submitted upstream to the LWIP maintainers?
>> And where do drivers come from? From what I have seen, LWIP seems
>> to not have a unified base of device drivers. Would this just be to
>> build the basic stack and then it is the users responsibility to
>> find and compile a driver?
> Also, what from these comes from our work? Sorry that I'm a little bit
> confused and arrived late to the
> subject. BTW, there is still work to do, since the state we left
> working LWIP is using the posix layer,
> which we observed introduces important overhead, so a further step is
> to reimplement the LWIP's HAL
> using the RTEMS native API instead. Any plan for that?
I think that would be outside the scope of the student's GSoC effort.
I don't know of any work ongoing to optimize the LWIP port for RTEMS.
We appear to have a wiki page that may be relevant to update with
pertinent details: https://devel.rtems.org/wiki/Packages/LWIP
>> What is your RTEMS configuration so I can try it?
>> I will try to build it today.
>> Joel Sherrill, Ph.D. Director of Research & Development
>> joel.sherrill at OARcorp.com On-Line Applications Research
>> Ask me about RTEMS: a free RTOS Huntsville AL 35805
>> Support Available (256) 722-9985
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>> devel at rtems.org
> Daniel F. Gutson
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