I have my time master (e1000e, Intel 82579LM) set up with hardware time stamping. Then I have two slaves set up with software timestamping (not using linuxptp, microcontrollers).
When the two slaves send their delay requests shortly following each other, often only one of both is answered. For the ignored one, there is this error: 'ptp4l[16004.338]: port 1: received DELAY_REQ without timestamp' For the ignored delay request: - 'fsm_event_port_event' returns -ETIME - because 'transport_recv' reports a hardware time stamp of 0 - 'transport_recv' calls 'udp_rec' which calls 'sk_receive' - there I've seen that the ignored delay request packet has no cmsg and therefore no associated timestamp Has anybody encountered similar issues? Here the corresonding wireshark capture: https://dl.dropboxusercontent.com/u/46882396/ptp4l.pcapng.gz Hanspeter ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. Written by three acclaimed leaders in the field, this first edition is now available. Download your free book today! http://p.sf.net/sfu/NeoTech _______________________________________________ Linuxptp-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linuxptp-users
