Re: [PATCH net] net: dsa: mv88e6xxx: fix port VLAN maps

[Kevin Smith]

On 01/28/2016 08:18 PM, Andrew Lunn wrote:
> On Thu, Jan 28, 2016 at 04:54:37PM -0500, Vivien Didelot wrote:
>> Currently the port based VLAN maps should be configured to allow every
>> port to egress frames on all other ports, except themselves.
>>
>> The debugfs interface shows that they are misconfigured. For instance, a
>> 7-port switch has the following content in the related register 0x06:
>>
>>         GLOBAL GLOBAL2 SERDES   0    1    2    3    4    5    6
>>      ...
>>      6:  1fa4    1f0f       4   7f   7e   7d   7c   7b   7a   79
>>      ...
>>
>> This means that port 3 is allowed to talk to port 2-6, but cannot talk
>> to ports 0 and 1. With this fix, port 3 can correctly talk to all ports
>> except 3 itself:
>>
>>         GLOBAL GLOBAL2 SERDES   0    1    2    3    4    5    6
>>      ...
>>      6:  1fa4    1f0f       4   7e   7d   7b   77   6f   5f   3f
>>      ...
>>
>> Fixes: ede8098d0fef ("net: dsa: mv88e6xxx: bridges do not need an FID")
>> Reported-by: Kevin Smith <kevin.smith@xxxxxxxxxxxxxxx>
>> Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Tested-by: Kevin Smith <kevin.smith@xxxxxxxxxxxxxxx>