igb: add vendor driver from Intel

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

package/kernel/igb/Makefile

@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Copyright (C) 2022 ImmortalWrt.org
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=igb
+PKG_VERSION:=5.13.7
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=@IMMORTALWRT
+PKG_HASH:=4ccae73110f3c871a17b7cc6df7dbdf6295fc90f4941e8b2978a471c2fec83cb
+
+PKG_MAINTAINER:=Tianling Shen <cnsztl@immortalwrt.org>
+PKG_LICENSE:=GPL-2.0-only
+PKG_LICENSE_FILES:=COPYING
+
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/igb-vendor
+  SUBMENU:=Network Devices
+  TITLE:=Intel(R) 82575/82576 PCI-Express Gigabit Ethernet support (vendor driver)
+  VERSION:=$(LINUX_VERSION)+$(PKG_VERSION)-$(BOARD)-$(PKG_RELEASE)
+  DEPENDS:=@PCI_SUPPORT +kmod-i2c-core +kmod-i2c-algo-bit +kmod-ptp +kmod-hwmon-core
+  CONFLICTS:=kmod-igb
+  FILES:=$(PKG_BUILD_DIR)/src/igb.ko
+  AUTOLOAD:=$(call AutoProbe,igb)
+endef
+
+define KernelPackage/igb-vendor/description
+  Kernel modules for Intel(R) 82575/82576 PCI-Express Gigabit Ethernet adapters.
+endef
+
+define Build/Compile
+	+$(KERNEL_MAKE) $(PKG_JOBS) \
+		M=$(PKG_BUILD_DIR)/src \
+		CONFIG_IGB=m \
+		modules
+endef
+
+$(eval $(call KernelPackage,igb-vendor))

package/kernel/igb/patches/100-headers.patch

@@ -0,0 +1,10 @@
+--- a/src/igb_main.c
++++ b/src/igb_main.c
+@@ -25,6 +25,7 @@
+ #ifdef CONFIG_PM_RUNTIME
+ #include <linux/pm_runtime.h>
+ #endif /* CONFIG_PM_RUNTIME */
++#include <linux/ctype.h>
+ 
+ #include <linux/if_bridge.h>
+ #include "igb.h"