ixgbe PF and ixv driver

[Pieper, Jeffrey E]

Kevin,

Currently there is some missing PCIOV functionality in ix. It is something we are working on fixing.

Thanks,
Jeff

-----Original Message-----
From: owner-freebsd-net at freebsd.org [mailto:owner-freebsd-net at freebsd.org] On Behalf Of Kevin Bowling
Sent: Saturday, January 14, 2017 10:58 AM
To: freebsd-net at freebsd.org
Subject: ixgbe PF and ixv driver

Hi,

I've been trying to test SR-IOV on -CURRENT and 11.0-RELEASE.

Physical NIC is an X552.  The ixgbe PF has to be limited to 1-4 queues in
order to create VFs or you will get ENOSPC from iovctl.

Either letting ixv try to attach on the host, or creating a passthrough and
allowing pfsense 2.4.0 beta to try to attach yields this failure to attach:
m 0xc0104000-0xc0107fff,0xc0108000-0xc010bfff at device 7.0 on pci0
ixv0: Using MSIX interrupts with 2 vectors
ixv0: ixgbe_reset_hw() failed with error -10
device_attach: ixv0 attach returned 5

Another issue, the PF is unable to pass traffic after creating a VF.
'iovctl -D -d ix0; service netif restart; service routing restart' will
restore connectivity.

Regards,
Kevin
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