On Tue, Nov 07, 2017 at 08:56:05PM +0000, Brandon Streiff wrote: > > Oops, I had "slaveOnly" set in my PC's configuration. So layer2 seems > > to work as expected. > > > > Have you tested UDPv4? It doesn't work. > > I have not. Our usage has been focused on 802.1AS; the ptp4l settings we > use are the following: > > transportSpecific 0x1 > ptp_dst_mac 01:80:C2:00:00:0E > p2p_dst_mac 01:80:C2:00:00:0E > network_transport L2 > delay_mechanism P2P > time_stamping hardware > > One thing that we're not doing (and probably should be) is configuring > multicast frames to 01:1B:19:00:00:00 to be destined to the CPU port. > (01:80:C2:00:00:0E is used for management, so the *_mgmt_rsvd2cpu() > functions give us that "for free".) That might be necessary to make 1588 > L2 work properly. I don't know if that would affect 1588 L4, or if > there's anything else missing to make L4 timestamping work from the HW > perspective.
Is the application performing a join on the group? If so, on which interface? I've not tested many multicast applications with DSA. It is possible we have bugs. Andrew
