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Subject: Re: B53 DSA switch problem on Banana Pi-R1 on Fedora 26
From:   Florian Fainelli <f.fainelli@gmail.com>
To:     Gerhard Wiesinger <lists@wiesinger.com>,
        Andrew Lunn <andrew@lunn.ch>
Cc:     linux-kernel@vger.kernel.org
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Message-ID: <e1b56677-50e5-94e0-86f0-b0c797c4897d@gmail.com>
Date:   Wed, 23 May 2018 08:50:16 -0700
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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
-- 
Florian