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SubjectRe: [PATCH 0/7] net: dsa: add QCA AR8xxx switch family support\
On 29/05/15 11:59, Andrew Lunn wrote:
> On Fri, May 29, 2015 at 11:49:54AM -0700, Mathieu Olivari wrote:
>> On Fri, May 29, 2015 at 04:00:01AM +0200, Andrew Lunn wrote:
>>> FYI:
>>> I have patches which allow DSA to use two cpu interfaces. Seems to
>>> work on my DIR665 with a Marvell Switch.
>>> I will post the patches as an RFC.
>>> Andrew
>> Does it require the switch CPU ports to support LAG or is it generic
>> enough to allow switch partitioning?
> When using tags, DSA by default partitions the switch. Each user port
> is separate from other ports. lan4 will not bridge to lan1 unless you
> either do it in software, or you implement the
> .port_join_bridge/.port_leave_bridge/.port_stp_update methods of
> dsa_switch_driver.
> What it requires is that for each user port, you can configure what
> cpu port it should use. Marvell devices have this ability, and at a
> first look, it seems like SF2 does as well, but i will leave Florian
> to answer definitively.

That's right, such configuration happens by using VLAN_CTL in the
context of SF2, by default only Port <N> and CPU can talk to each other.
Bridging ports involving putting them in the same domain, e.g: updating
the VLAN_CTL bitmask to include all bridge members.

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