initial buildroot for linux 5.15

package/nftables/Config.in

@@ -0,0 +1,17 @@
+config BR2_PACKAGE_NFTABLES
+	bool "nftables"
+	depends on BR2_USE_WCHAR
+	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12
+	select BR2_PACKAGE_LIBMNL
+	select BR2_PACKAGE_LIBNFTNL
+	help
+	  nftables is the project that aims to replace the existing
+	  {ip,ip6,arp,eb}tables framework.
+	  Basically, this project provides a new packet filtering
+	  framework, a new userspace utility and also a compatibility
+	  layer for {ip,ip6}tables.
+
+	  http://www.netfilter.org/projects/nftables/index.html
+
+comment "nftables needs a toolchain w/ wchar, headers >= 3.12"
+	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_12

package/nftables/nftables.hash

@@ -0,0 +1,3 @@
+# From https://netfilter.org/projects/nftables/downloads.html
+sha256  58bf547daf967a2b88ecb4f425f126006ebde22711db806b25c1d6cf84fe45f4  nftables-1.0.0.tar.bz2
+sha256  c17bc4fa5b2434c6f283ffcb2312e5bf3c7cdf5787b79505f094d8de734ac53e  COPYING

package/nftables/nftables.mk

@@ -0,0 +1,56 @@
+################################################################################
+#
+# nftables
+#
+################################################################################
+
+NFTABLES_VERSION = 1.0.0
+NFTABLES_SOURCE = nftables-$(NFTABLES_VERSION).tar.bz2
+NFTABLES_SITE = https://www.netfilter.org/projects/nftables/files
+NFTABLES_DEPENDENCIES = libmnl libnftnl host-pkgconf $(TARGET_NLS_DEPENDENCIES)
+NFTABLES_LICENSE = GPL-2.0
+NFTABLES_LICENSE_FILES = COPYING
+NFTABLES_CONF_OPTS = --disable-debug --disable-man-doc --disable-pdf-doc
+NFTABLES_SELINUX_MODULES = iptables
+
+ifeq ($(BR2_PACKAGE_GMP),y)
+NFTABLES_DEPENDENCIES += gmp
+NFTABLES_CONF_OPTS += --without-mini-gmp
+else
+NFTABLES_CONF_OPTS += --with-mini-gmp
+endif
+
+ifeq ($(BR2_PACKAGE_READLINE),y)
+NFTABLES_DEPENDENCIES += readline
+NFTABLES_LIBS += -lncurses
+else
+NFTABLES_CONF_OPTS += --without-cli
+endif
+
+ifeq ($(BR2_PACKAGE_JANSSON),y)
+NFTABLES_DEPENDENCIES += jansson
+NFTABLES_CONF_OPTS += --with-json
+else
+NFTABLES_CONF_OPTS += --without-json
+endif
+
+ifeq ($(BR2_PACKAGE_PYTHON)$(BR2_PACKAGE_PYTHON3),y)
+NFTABLES_CONF_OPTS += --enable-python
+NFTABLES_DEPENDENCIES += $(if $(BR2_PACKAGE_PYTHON),python,python3)
+else
+NFTABLES_CONF_OPTS += --disable-python
+endif
+
+ifeq ($(BR2_STATIC_LIBS)$(BR2_PACKAGE_LIBNFTNL_JSON),yy)
+NFTABLES_LIBS += -ljansson -lm
+endif
+
+NFTABLES_CONF_ENV = LIBS="$(NFTABLES_LIBS)"
+
+define NFTABLES_LINUX_CONFIG_FIXUPS
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NETFILTER)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_TABLES)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NF_TABLES_INET)
+endef
+
+$(eval $(autotools-package))