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SubjectRe: [PATCH net-next v2] bridge: mrp: Implement LC mode for MRP
On Tue, 24 Nov 2020 09:25:25 +0100 Horatiu Vultur wrote:
> Extend MRP to support LC mode(link check) for the interconnect port.
> This applies only to the interconnect ring.
>
> Opposite to RC mode(ring check) the LC mode is using CFM frames to
> detect when the link goes up or down and based on that the userspace
> will need to react.
> One advantage of the LC mode over RC mode is that there will be fewer
> frames in the normal rings. Because RC mode generates InTest on all
> ports while LC mode sends CFM frame only on the interconnect port.
>
> All 4 nodes part of the interconnect ring needs to have the same mode.
> And it is not possible to have running LC and RC mode at the same time
> on a node.
>
> Whenever the MIM starts it needs to detect the status of the other 3
> nodes in the interconnect ring so it would send a frame called
> InLinkStatus, on which the clients needs to reply with their link
> status.
>
> This patch adds InLinkStatus frame type and extends existing rules on
> how to forward this frame.
>
> Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
> Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>

Applied, thanks!

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