From: Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx>
Date: Thu, 14 Sep 2017 09:31:07 -0700
> The default receive buffer size was reduced by recent change
> to a value which was appropriate for 10G and Windows Server 2016.
> But the value is too small for full performance with 40G on Azure.
> Increase the default back to maximum supported by host.
>
> Fixes: 8b5327975ae1 ("netvsc: allow controlling send/recv buffer size")
> Signed-off-by: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
What other side effects are there to making this buffer so large?
Just curious...
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