Re: iwpaninfo library for OpenWRT/LEDE

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Hi,

2017-03-01 17:56 GMT+01:00 Stefan Schmidt <stefan@xxxxxxxxxxxxxxx>:
> Hello.
>
> Sorry for the late reply. I had it tagged here but kind of forgot about it.

No problem :)
>
> On 01/30/2017 01:45 PM, Xue Liu wrote:
>>
>> Hello,
>>
>> Recently I created a new project called iwpaninfo for OpenWRT/LEDE. It
>> is a "clone" project from iwinfo and copied some code from wpan-tools.
>
>
> From briefly looking over it this is basically a small library to access
> nl_ieee802154 netlink information without dealing with netlink. Exposing
> this interface as C and lua API. Correct so far? Anything I missed?
>

Yes. correct.

> The primary goal is to use this inside OpenWRT/LEDE with the LuCI web
> configuration interface?
>

Yes. It is my plan.

>> Like iwinfo, it provides C and Lua APIs. So later I hope this package
>> can be merged into OpenWRT/LEDE package repo.
>
>
> The package only or also the git repo hosted by them? I could also offer you
> putting it into the linux-wpan project on github if you plan to make this a
> bit more generic (usable outside of OpenWRT/LEDE). Or you keep it on your
> own space. Whatever you prefer. :)

The package is now hosted by my Github. I think keep it there is OK.

>
>> This project is still in developing. Issues and pull-requests are
>> appreciate.
>
>
> Great that you tackled this and hopefully this brings 802.15.4 and later
> 6lowpan support forward in OpenWRT/LEDE. Keep us posted on the progress it
> makes.
>
> I wanted to give it a go here locally but it seems to depend on OpenWRT
> specific things to even compile:
>
> stefan@work iwpaninfo (master) $ make
> rm -f *.o libiwpaninfo.so iwpaninfo.so iwpaninfo
> cc  -std=gnu99 -fstrict-aliasing -Iinclude  -c -o iwpaninfo_utils.o
> iwpaninfo_utils.c
> cc  -std=gnu99 -fstrict-aliasing -Iinclude  -c -o iwpaninfo_lib.o
> iwpaninfo_lib.c
> cc  -std=gnu99 -fstrict-aliasing -Iinclude  -c -o iwpaninfo_lua.o
> iwpaninfo_lua.c
> cc  -std=gnu99 -fstrict-aliasing -Iinclude  -c -o iwpaninfo_cli.o
> iwpaninfo_cli.c
> cc -luci -lubox  -shared -o libiwpaninfo.so iwpaninfo_utils.o
> iwpaninfo_lib.o
> /usr/bin/ld: cannot find -luci
> /usr/bin/ld: cannot find -lubox
> /usr/bin/ld: iwpaninfo_utils.o: relocation R_X86_64_32S against `.rodata'
> can not be used when making a shared object; recompile with -fPIC
> iwpaninfo_utils.o: error adding symbols: Bad value
> collect2: error: ld returned 1 exit status
> Makefile:28: recipe for target 'compile' failed
> make: *** [compile] Error 1
>
> Thanks for working on this!

This package needs uci and libubox package and should be compiled from
OpenWRT /LEDE. A easy way to test is using vm and fakelb from
OpenWRT/LEDE.

>
> regards
> Stefan Schmidt
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