> 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.
Andrew
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