netvsc: increase default receive buffer size
authorStephen Hemminger <stephen@networkplumber.org>
Thu, 14 Sep 2017 16:31:07 +0000 (09:31 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Sep 2017 21:41:12 +0000 (14:41 -0700)
commit5023a6db73196695f4cc2db1a0eb37957ca27772
tree4c9d4bd6975ba0655e179426f061ef2ec5b9e664
parent8c72c65b426b47b3c166a8fef0d8927fe5e8a28d
netvsc: increase default receive buffer size

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@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/hyperv/netvsc_drv.c