[EMAIL PROTECTED] wrote: > Jan Kiszka <[EMAIL PROTECTED]> a écrit : > >> Bruno Carlus wrote: >>> Jan Kiszka a écrit : >>>> Bruno Carlus wrote: >>>>> Hello ! >>>>> >>>>> I've got a RTnet network (two xenomai machines actually...) running >>>>> and would like to run a PTP (time synchronizing) software through it. >>>>> [Source available at http://ptpd.sourceforge.net/] >>>>> >>>>> The software compiles ok with xenomai/posix wrapping options but >>>>> cannot run and exits within the following code: >>>>> >>>>> if(ioctl(netPath->eventSock, SIOCGIFADDR, &device[i]) < 0) >>>>> { >>>>> PERROR("failed to get ip address"); >>>>> return 0; >>>>> } >>>>> >>>>> (don't know if the information will be enough ...) >>>> SIOCGIFADDR is not implemented in the core. You could either switch >>>> ptpd to use SIOCGIFCONF or add the few required lines to RTnet. This >>>> would be the place for them: >>>> >>>> http://www.rts.uni-hannover.de/rtnet/lxr/source/stack/socket.c#225 >>>>> The network itself is running ok with rtping or other pieces of code. >>>>> So I wonder if my compilation method is really the good one or if >>>>> there are other linking to be done with the ioctl function ? >>>>> >>>>> Other question: what is the status of the RTnet multicast support >>>>> core and nic drivers? >>>> Basically, we are lacking an efficient but still RT-capable >>>> rtskb_clone for true multicast support. We do have some rtskb_clone >>>> already for ETH_P_ALL support, but it simply copies the payload which >>>> does no scale well and does not allow to isolate the users from each >>>> other. >>>> >>>> For sure, one could bake a single user (==single receiver) approach >>>> for now. There used to be some patches for this (with 8139 driver >>>> support), just search the archive. They were never merged as the >>>> needed some refactorings first. >>>> >>>> Jan >>>> >>> >>> Thank you Jan ! >>> >>> I patched the socket.c file to implement the SIOCGIFADDR option. >> >> I'm always open to review and merge patches... :-> > > I send you the modified file (very few lines in the rt_socket_if_ioctl > function actually ...)
Thanks, merged. If you want to learn how to generate patches (for potential future contributions...), this basically applies to RTnet as well: http://xenomai.org/index.php/Xenomai:Contributing_Patches Jan
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