Wed, Mar 29, 2017 at 07:36:24PM CEST, and...@lunn.ch wrote: >> Tangential question: we do not currently report to user space what kind >> of switch tagging protocol is used (DSA, eDSA etc.) I was going to add a >> sysfs attribute for that under the switch device's directory, but maybe >> devlink would be more appropriate for that? > >We don't report it. What are you thinking you want to do with this >information? > >I suppose it might be possible to teach libpcap/tcpdump about it, so >it can slide in an additional dissector. EDSA you can detect anyway, >since it uses a well know Ethertype. tcpdump already supports >this. But the other tag protocols cannot be detected. > >devlink does seem like a good candidate for this, make it part of the >port type.
I agree this could go out via devlink. Not sure exactly what attr. Certainly some new. > > Andrew
