On Thursday 14 October 2010, 11:36:06 Wolfgang Grandegger wrote: > On 10/14/2010 11:26 AM, Alexander Stein wrote: > > Hello, > > default socket options (CAN_RAW_LOOPBACK = 1, CAN_RAW_RECV_OWN_MSGS = 0), > > I also receive my own frames on the same socket. setting > > CAN_RAW_RECV_OWN_MSGS to 1 doesn't change anything. But if I set > > CAN_RAW_LOOPBACK to 0, I don't get any frame I sent. I guess the latter > > is intended. > > Yes, it's explained in section 3.2, 4.1.3 and 4.1.4 of: > > http://lxr.linux.no/#linux+v2.6.35.7/Documentation/networking/can.txt
I read those sections several times, but I doubt I get it all correctly. To my understanding CAN_RAW_LOOPBACK is the option to enable reception of sent frames on _different_ sockets of the same device. And CAN_RAW_RECV_OWN_MSGS is the option to enable reception of sent frames on the _same_ socket of the same device. If I'm right until here, why do I get my own sent messages on one socket, if CAN_RAW_LOOPBACK = 1 and CAN_RAW_RECV_OWN_MSGS = 0 is set? Also retried my application using a vcan device which acts as I would expect. Regards, Alexander _______________________________________________ Socketcan-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/socketcan-users
