kernel: netdevices: add driver for Broadcom NetXtreme-C/E

Package bnxt_en kernel module for Broadcom NetXtreme-C/E based Ethernet
network chips like BCM573xx and BCM574xx.

Signed-off-by: Jonas Jelonek <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/17301
(cherry picked from commit a7f4155f54ac72c388a8b515865e496bfd6ec437)
Signed-off-by: Josh Bendavid <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/18483
Signed-off-by: Hauke Mehrtens <[email protected]>

package/kernel/linux/modules/netdevices.mk

@@ -1539,6 +1539,28 @@ endef
 
 $(eval $(call KernelPackage,bnx2x))
 
+define KernelPackage/bnxt-en
+  SUBMENU:=$(NETWORK_DEVICES_MENU)
+  TITLE:=Broadcom NetXtreme-C/E network driver
+  DEPENDS:=@PCI_SUPPORT +kmod-hwmon-core +kmod-lib-crc32c +kmod-mdio +kmod-ptp
+  FILES:=$(LINUX_DIR)/drivers/net/ethernet/broadcom/bnxt/bnxt_en.ko
+  KCONFIG:= \
+	  CONFIG_BNXT \
+	  CONFIG_BNXT_SRIOV=y \
+	  CONFIG_BNXT_FLOWER_OFFLOAD=y \
+	  CONFIG_BNXT_DCB=n \
+	  CONFIG_BNXT_HWMON=y
+  AUTOLOAD:=$(call AutoProbe,bnxt_en)
+endef
+
+define KernelPackage/bnxt-en/description
+  Supports Broadcom NetXtreme-C/E based Ethernet NICs including:
+  * BCM573xx
+  * BCM574xx
+endef
+
+$(eval $(call KernelPackage,bnxt-en))
+
 define KernelPackage/be2net
   SUBMENU:=$(NETWORK_DEVICES_MENU)
   TITLE:=Broadcom Emulex OneConnect 10Gbps NIC