net: add driver for Netronome NFP4000/NFP6000 NIC VFs

Add driver for Virtual Functions for the Netronome's
NFP-4000 and NFP-6000 based NICs.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/Kconfig

@@ -0,0 +1,36 @@
+#
+# Netronome device configuration
+#
+
+config NET_VENDOR_NETRONOME
+	bool "Netronome(R) devices"
+	default y
+	---help---
+	  If you have a Netronome(R) network (Ethernet) card or device, say Y.
+
+	  Note that the answer to this question doesn't directly affect the
+	  kernel: saying N will just cause the configurator to skip all
+	  the questions about Netronome(R) cards. If you say Y, you will be
+	  asked for your specific card in the following questions.
+
+if NET_VENDOR_NETRONOME
+
+config NFP_NETVF
+	tristate "Netronome(R) NFP4000/NFP6000 VF NIC driver"
+	depends on PCI && PCI_MSI
+	depends on VXLAN || VXLAN=n
+	---help---
+	  This driver supports SR-IOV virtual functions of
+	  the Netronome(R) NFP4000/NFP6000 cards working as
+	  a advanced Ethernet NIC.
+
+config NFP_NET_DEBUG
+	bool "Debug support for Netronome(R) NFP3200/NFP6000 NIC drivers"
+	depends on NFP_NET || NFP_NETVF
+	---help---
+	  Enable extra sanity checks and debugfs support in
+	  Netronome(R) NFP3200/NFP6000 NIC PF and VF drivers.
+	  Note: selecting this option may adversely impact
+		performance.
+
+endif