kernel: support intel X7xx 10/40GbE adapters

Signed-off-by: Xiaobo Tian <peterwillcn@gmail.com>
[Add i40evf/i40evf.ko and setect CONFIG_IAVF]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

package/kernel/linux/modules/netdevices.mk

@@ -717,6 +717,48 @@ endef
 $(eval $(call KernelPackage,ixgbevf))
 
 
+define KernelPackage/i40e
+  SUBMENU:=$(NETWORK_DEVICES_MENU)
+  TITLE:=Intel(R) Ethernet Controller XL710 Family support
+  DEPENDS:=@PCI_SUPPORT +kmod-mdio +kmod-ptp +kmod-hwmon-core +LINUX_5_4:kmod-libphy
+  KCONFIG:=CONFIG_I40E \
+    CONFIG_I40E_VXLAN=n \
+    CONFIG_I40E_HWMON=y \
+    CONFIG_I40E_DCA=n
+  FILES:=$(LINUX_DIR)/drivers/net/ethernet/intel/i40e/i40e.ko
+  AUTOLOAD:=$(call AutoProbe,i40e)
+endef
+
+define KernelPackage/i40e/description
+ Kernel modules for Intel(R) Ethernet Controller XL710 Family 40 Gigabit Ethernet adapters.
+endef
+
+$(eval $(call KernelPackage,i40e))
+
+
+define KernelPackage/iavf
+  SUBMENU:=$(NETWORK_DEVICES_MENU)
+  TITLE:=Intel(R) Ethernet Adaptive Virtual Function support
+  DEPENDS:=@PCI_SUPPORT
+  KCONFIG:= \
+       CONFIG_I40EVF \
+       CONFIG_IAVF
+  FILES:= \
+       $(LINUX_DIR)/drivers/net/ethernet/intel/i40evf/i40evf.ko@lt4.20 \
+       $(LINUX_DIR)/drivers/net/ethernet/intel/iavf/iavf.ko@ge4.20
+  AUTOLOAD:=$(call AutoProbe,i40evf iavf)
+  AUTOLOAD:=$(call AutoProbe,iavf)
+endef
+
+define KernelPackage/iavf/description
+ Kernel modules for Intel XL710,
+	  X710, X722, XXV710, and all devices advertising support for
+	  Intel Ethernet Adaptive Virtual Function devices.
+endef
+
+$(eval $(call KernelPackage,iavf))
+
+
 define KernelPackage/b44
   TITLE:=Broadcom 44xx driver
   KCONFIG:=CONFIG_B44