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azure: support accelerated networking feature

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Azure provides an optional "Accelerated Networking" feature. Enabling
this feature when creating a VM enables SR-IOV and provides the guest
with a virtual function.

Supporting this requires two changes. Firstly, the kernel-modules
package is required as it contains the Mellanox drivers required for the
VF provided to the guest. Secondly, the interface needs to be ignored by
NetworkManager or it'll try and fail to bring up the device and the VM
will be unreachable except by serial console. If this is observed, it's
likely new hardware has been deployed and additional drivers need to be
added to the NetworkManager config.

See https://learn.microsoft.com/en-us/azure/virtual-network/accelerated-networking-overview
for details.
This commit is contained in:
Jeremy Cline
2024-02-23 00:31:35 +00:00
committed by ngompa
parent d9584ccd70
commit 83a43059d3
2 changed files with 10 additions and 0 deletions
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teams/cloud/cloud.xml
+1
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@@ -132,6 +132,7 @@
</packages>
<packages type="image" patternType="plusRecommended" profiles="Cloud-Base-Azure">
<package name="WALinuxAgent"/>
<package name="kernel-modules"/>
</packages>
<packages type="image" patternType="plusRecommended" profiles="Cloud-Base-GCE">
<package name="google-compute-engine-guest-configs"/>