Subrata Modak wrote:
> On Tue, 2009-01-27 at 16:26 +0100, Salvatore Nappi wrote:
>   
>> Hi All,
>> I read on the http://ltp.sourceforge.net/wiki/ link that will be added
>> the Controller Area Network to LTP test within 2008. I don't find
>> other information about this integration!!! Could you tell me if this
>> test (CAN) has been introduced in the LTP Framework test, please? 
>> If the answer is yes, could you indicate me, please, where I can find
>> the ltp framework file contained CAN tests? Thank you very much!! 
>>     
>
> You have seen the correct thing. However, we are lacking volunteers who
> can integrate the same to LTP framework. The tests are existing.
> Somebody needs to test them, analyze and find out the best way to
> automate them to get into LTP. Can you do that for us ?
>
>   

Hi all,

while fixing an issue inside the CAN core filters for 2.6.28:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=d253eee20195b25e298bf162a6e72f14bf4803e5
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=f706644d55f90e8306d87060168fef33804d6dd9

i created this test tool to check the filters:

http://svn.berlios.de/wsvn/socketcan/trunk/test/?rev=877&sc=1

This test checks a complete CAN communication chain using

- the PF_CAN core and it's filters
- the CAN RAW socket and it's sockopts
- the virtual CAN interfaces

I works like this:

1. create a virtual CAN interface 'vcan0'
 1a. modprobe -f vcan
 1b. ip link add dev vcan0 type vcan
 1c. ifconfig vcan0 up

2. run 'tst-filter-server > output' (on a separate terminal or in the 
background)

3. run 'tst-filter-master'

4. compare the output (of tst-filter-server) with 'tst-filter-server.result'

If it's ok then it's fine.

If you are able to bring this filter test into LTP shape this would be 
perfectly fine!

If there's anything missing in this description or if i can help you in 
CAN specific questions, please let me know.
Btw. in linux/Documentation/networking/can.txt is a good and up-to-date 
documentation.

All the stuff on the BerliOS SocketCAN SVN is GPL so you can use it 
under this license:
http://developer.berlios.de/svn/?group_id=6475

Thanks & best regards,
Oliver


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