MT7621 can not enable vlan_filtering on kernel 5.4

It seems that we need to use bridge vlan to configure vlan on kernel 5.4. But if I execute ip link set dev br-lan type bridge vlan_filtering 1, I will lost connection to router immediately. Is it expected or a bug?

Been mentioned

Observed the same issue on another device with dual-core CPU and each core featuring its own/separate lane to the switch

not sure whether that is applicable for the MT7621 as well.

We have a fix for that. But still waiting for an other upstream patch to be posted.
But I have a test branch.


Thanks, it does work.

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