Bug#958300: linux: enable infiniband kconfig in cloud images for Azure/HyperV

[Bastian Blank <waldi@debian.org>]

Hi Luca

On Mon, Apr 20, 2020 at 10:19:22AM +0000, Luca Boccassi wrote:
> Azure VMs can get accelerated networking for DPDK applications via the
> NETVSC driver (https://doc.dpdk.org/guides/nics/netvsc.html), but this
> requires enabling the Infiniband kernel modules.

I have to say, I'm not so sure this is actually the same thing.  This
linked documentation shows how to use DPDK on top of the netsvc device,
using uio_hv_generic.

What you are talking about is using DPDK on the Mellanox card, which is
documented here:
https://doc.dpdk.org/guides/nics/mlx4.html
https://docs.microsoft.com/en-us/azure/virtual-network/setup-dpdk

This requires the following modules:
- mlx4_ib
- ib_uverbs

Regards,
Bastian

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