• DENG Qingfang's avatar
    net: dsa: mt7530: fix VLAN traffic leaks · 474a2dda
    DENG Qingfang authored
    PCR_MATRIX field was set to all 1's when VLAN filtering is enabled, but
    was not reset when it is disabled, which may cause traffic leaks:
    	ip link add br0 type bridge vlan_filtering 1
    	ip link add br1 type bridge vlan_filtering 1
    	ip link set swp0 master br0
    	ip link set swp1 master br1
    	ip link set br0 type bridge vlan_filtering 0
    	ip link set br1 type bridge vlan_filtering 0
    	# traffic in br0 and br1 will start leaking to each other
    As port_bridge_{add,del} have set up PCR_MATRIX properly, remove the
    PCR_MATRIX write from mt7530_port_set_vlan_aware.
    Fixes: 83163f7d
     ("net: dsa: mediatek: add VLAN support for MT7530")
    Signed-off-by: default avatarDENG Qingfang <dqfext@gmail.com>
    Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>