DPAA Ethernet Interfaces Shared-MAC between two Linux Partitions under Hypervisor(Topaz)

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DPAA Ethernet Interfaces Shared-MAC between two Linux Partitions under Hypervisor(Topaz)

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DPAA Ethernet Interfaces Shared-MAC between two Linux Partitions under Hypervisor(Topaz)

In the scenario that multiple Linux partitions managed by a Hypervisor, it is sometimes desired to split one MAC device’s traffic between partitions. In Hypervisor, DPAA Ethernet interfaces belonging to the same FMAN only can be assigned to one partition in Hypervisor, which brings limitation in DPAA Ethernet interfaces usage between partitions, Shared-MAC technology provides an efficient way for users to share a DPAA Ethernet interface between two Linux partitions, this is very useful for processors with single FMAN device, such as P2041, T1040.

1. Overview of Shared-MAC Architecture between two Linux Partitions

2. Shared-MAC DPAA Ethernet interface Definition in Hypervisor Device Tree

3. Implement Shared-MAC Use Case between two Linux Partitions on the target

4. Hypervisor Shared-MAC Test Result on P2041RDB

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Hi,

are there any example dts files for such a setup (shared-mac between two linux partitions on a hypervisor setup) available for the ls1046a as well? I would like to use one ethernet interface from the first linux partition and another ethernet interface from a second linux partition using the single FMAN instance on the ls1046a. Do the sdk_dpaa/sdk_fman ethernet driver modules support such a scenario?

Best regards

Andreas

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Last update:
‎09-23-2015 03:19 AM
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