On September 6, 2017 8:08:25 AM PDT, Andrew Lunn [off-list ref] wrote:

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Use the MAC address of the master interface as the parent ID. This

is

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the same for all switches in a cluster, and should be unique if

there

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are multiple clusters.

That is not correct. Support for multiple CPU ports is coming and in
this case, you can have two CPU host interfaces wired to two switch
ports of the same tree. So two different master MAC addresses.

Yes, you are correct. I will change this.

A switch cluster should be tied to the same dsa_switch_tree though, can we use dst->tree as an unique identifier?

-- 
Florian