initial buildroot for linux 5.15

package/xtables-addons/Config.in

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+comment "xtables-addons needs a Linux kernel to be built"
+	depends on !BR2_LINUX_KERNEL
+
+comment "xtables-addons needs a toolchain w/ dynamic library, threads"
+	depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HAS_THREADS
+
+config BR2_PACKAGE_XTABLES_ADDONS
+	bool "xtables-addons"
+	depends on BR2_LINUX_KERNEL
+	depends on BR2_TOOLCHAIN_HAS_THREADS
+	depends on !BR2_STATIC_LIBS # extensions are .so
+	select BR2_PACKAGE_IPTABLES
+	select BR2_LINUX_NEEDS_MODULES # not using kernel-module infra
+	help
+	  Xtables-addons is the successor to patch-o-matic(-ng).
+	  Likewise, it contains extensions that were not, or are not
+	  yet, accepted in the main kernel/iptables packages.
+
+	  https://inai.de/projects/xtables-addons/

package/xtables-addons/xtables-addons.hash

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+# Locally calculated
+sha256  2a640535f209ec59467b8c8b4343b446801a21a112a3fc189818d6e2697f5cf1  xtables-addons-3.17.tar.xz
+sha256  ab15fd526bd8dd18a9e77ebc139656bf4d33e97fc7238cd11bf60e2b9b8666c6  LICENSE

package/xtables-addons/xtables-addons.mk

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+################################################################################
+#
+# xtables-addons
+#
+################################################################################
+
+XTABLES_ADDONS_VERSION = 3.17
+XTABLES_ADDONS_SOURCE = xtables-addons-$(XTABLES_ADDONS_VERSION).tar.xz
+XTABLES_ADDONS_SITE = https://inai.de/files/xtables-addons
+XTABLES_ADDONS_DEPENDENCIES = iptables linux host-pkgconf
+XTABLES_ADDONS_LICENSE = GPL-2.0+
+XTABLES_ADDONS_LICENSE_FILES = LICENSE
+
+XTABLES_ADDONS_CONF_OPTS = \
+	--with-kbuild="$(LINUX_DIR)" \
+	--with-xtables="$(STAGING_DIR)/usr" \
+	--with-xtlibdir="/usr/lib/xtables"
+
+# geoip helpers need perl with modules and unzip so disable
+define XTABLES_ADDONS_DISABLE_GEOIP_HELPERS
+	$(SED) 's/ geoip//' $(@D)/Makefile.in
+endef
+XTABLES_ADDONS_POST_PATCH_HOOKS += XTABLES_ADDONS_DISABLE_GEOIP_HELPERS
+
+define XTABLES_ADDONS_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) $(LINUX_MAKE_FLAGS)
+endef
+
+define XTABLES_ADDONS_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) $(LINUX_MAKE_FLAGS) DESTDIR="$(TARGET_DIR)" install
+endef
+
+define XTABLES_ADDONS_LINUX_CONFIG_FIXUPS
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NETFILTER_ADVANCED)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_CONNTRACK)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_CONNTRACK_MARK)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_NAT)
+endef
+
+$(eval $(autotools-package))