[PATCH net] net: dsa: mt7530: Fix traffic flooding for MMIO devices

Chester A. Unal chester.a.unal at arinc9.com
Tue Mar 4 01:46:28 PST 2025


On 04/03/2025 08:50, Lorenzo Bianconi wrote:
> On MMIO devices (e.g. MT7988 or EN7581) unicast traffic received on lanX
> port is flooded on all other user ports if the DSA switch is configured
> without VLAN support since PORT_MATRIX in PCR regs contains all user
> ports. Similar to MDIO devices (e.g. MT7530 and MT7531) fix the issue
> defining default VLAN-ID 0 for MT7530 MMIO devices.
> 
> Fixes: 110c18bfed414 ("net: dsa: mt7530: introduce driver for MT7988 built-in switch")
> Signed-off-by: Lorenzo Bianconi <lorenzo at kernel.org>

I was suspecting of this for a while. Thanks for addressing it.

Reviewed-by: Chester A. Unal <chester.a.unal at arinc9.com>

Chester A.



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