[RTnet-developers] Re: [RTnet-users] about "context" in rtdm

[Jan K. <ki...@rt...>]

Zhang Yuchen wrote:

>Thx. Now I am more clear about the "context". 
> 
>This afternoon, I tried out with the round_trip_time test, without loading the 
>modules: rtmac and rtcfg, but it didn't work.(The showtime simply get stuck, 
>and did not show anyth) Do I need these modules to run this test?  
>  
>
If you don't use RTcfg you have to resolve the host routes manually 
using "rtroute solicit ...". Likely, this caused your problems.

>If I understand it correctly, rtmac and rtcfg are just two entries registered 
>in the "rt_packets" of stack manager, as ipv4 does. So it is possible to 
>communicate directly via ipv4, without any MAC from rtmac or distrib. 
>configuration from rtcfg, right? Then, shall the round_trip_time test be able 
>to run with only rtnet module and network card driver.  
>  
>
Yes, RTmac and RTcfg are optional if you can live without their features.

> 
>I remeber last time I tried out with the round_trip_time test, it did work. 
>But I used the script "rtnet", so all the modules were loaded.   
>  
>
...and all routes were resolved :)

Jan