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Subject: Re: B53 DSA switch problem on Banana Pi-R1 on Fedora 26
To:     Gerhard Wiesinger <lists@wiesinger.com>,
        Andrew Lunn <andrew@lunn.ch>
Cc:     linux-kernel@vger.kernel.org
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From:   Florian Fainelli <f.fainelli@gmail.com>
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Message-ID: <fb898d25-3e5a-787b-cc4b-f670e4b61f58@gmail.com>
Date:   Wed, 23 May 2018 10:47:52 -0700
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On 05/23/2018 10:29 AM, Gerhard Wiesinger wrote:
> On 23.05.2018 17:50, Florian Fainelli wrote:
>>
>> On 05/23/2018 08:28 AM, Florian Fainelli wrote:
>>>
>>> On 05/22/2018 09:49 PM, Gerhard Wiesinger wrote:
>>>> On 22.05.2018 22:42, Florian Fainelli wrote:
>>>>> On 05/22/2018 01:16 PM, Andrew Lunn wrote:
>>>>>>> Planned network structure will be as with 4.7.x kernels:
>>>>>>>
>>>>>>> br0 <=> eth0.101 <=> eth0 (vlan 101 tagged) <=> lan 1-lan4 (vlan 101
>>>>>>> untagged pvid)
>>>>>>>
>>>>>>> br1 <=> eth0.102 <=> eth0 (vlan 102 tagged) <=> wan (vlan 102
>>>>>>> untagged pvid)
>>>>>> Do you even need these vlans?
>>>>> Yes, remember, b53 does not currently turn on Broadcom tags, so the
>>>>> only
>>>>> way to segregate traffic is to have VLANs for that.
>>>>>
>>>>>> Are you doing this for port separation? To keep lan1-4 traffic
>>>>>> separate from wan? DSA does that by default, no vlan needed.
>>>>>>
>>>>>> So you can just do
>>>>>>
>>>>>> ip link add name br0 type bridge
>>>>>> ip link set dev br0 up
>>>>>> ip link set dev lan1 master br0
>>>>>> ip link set dev lan2 master br0
>>>>>> ip link set dev lan3 master br0
>>>>>> ip link set dev lan4 master br0
>>>>>>
>>>>>> and use interface wan directly, no bridge needed.
>>>>> That would work once Broadcom tags are turned on which requires
>>>>> turning
>>>>> on managed mode, which requires work that I have not been able to get
>>>>> done :)
>>>> Setup with swconfig:
>>>>
>>>> #!/usr/bin/bash
>>>>
>>>>
>>>> INTERFACE=eth0
>>>>
>>>> # Delete all IP addresses and get link up
>>>> ip addr flush dev ${INTERFACE}
>>>> ip link set ${INTERFACE} up
>>>>
>>>> # Lamobo R1 aka BPi R1 Routerboard
>>>> #
>>>> # Speaker | LAN1 | LAN2 | LAN3 | LAN4 || LAN5 | HDMI
>>>> # SW-Port |  P2  |  P1  |  P0  |  P4  ||  P3  |
>>>> # VLAN    |  11  |  12  |  13  |  14  ||ALL(t)|
>>>> #
>>>> # Switch-Port P8 - ALL(t) boards internal CPU Port
>>>>
>>>> # Setup switch
>>>> swconfig dev ${INTERFACE} set reset 1
>>>> swconfig dev ${INTERFACE} set enable_vlan 1
>>>> swconfig dev ${INTERFACE} vlan 101 set ports '3 8t'
>>>> swconfig dev ${INTERFACE} vlan 102 set ports '4 0 1 2 8t'
>>>> swconfig dev ${INTERFACE} set apply 1
>>>>
>>>> How to achieve this setup CURRENTLY with DSA?
>>> Your first email had the right programming sequence, but you did not
>>> answer whether you have CONFIG_BRIDGE_VLAN_FILTERING enabled or not,
>>> which is likely your problem.
>> Here are some reference configurations that should work:
>>
>> https://github.com/armbian/build/issues/511#issuecomment-320473246
> 
> I know, some comments are from me but none of them worked, therefore on
> LKML :-)

I see, maybe you could have started there, that would have saved me a
trip to github to find out the thread.

> 
> /boot/config-4.16.7-100.fc26.armv7hl:CONFIG_BRIDGE_VLAN_FILTERING=y
> 
> so this can't be the issue, any further ideas?

Yes, remove the "self" from your bridge vlan commands, I don't see that
being necessary.

> 
> On my 2nd Banana Pi-R1 still on Fedora 25 with kernel
> 4.12.8-200.fc25.armv7hl the commands still work well, but I wanted to
> test the upgrade on another one.
> 
> /boot/config-4.12.8-200.fc25.armv7hl:CONFIG_BRIDGE_VLAN_FILTERING=y

Is using an upstream or compiled by yourself kernel an option at all? I
have no clue what is in a distribution kernel.
-- 
Florian