iptables: enable basic kernel options

Enable the basic kernel options for iptables to be useful at least to
filter incoming connections.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/linux/linux.mk b/linux/linux.mk
index 8256641677ccaadb88422aa7f7dfb61305d9b065..a3efbb2b6ce7a2daf938389d959871232c3815d9 100644 (file)
--- a/linux/linux.mk
+++ b/linux/linux.mk
@@ -212,6 +212,11 @@ define LINUX_CONFIGURE_CMDS
                $(call KCONFIG_ENABLE_OPT,CONFIG_SECURITY,$(@D)/.config)
                $(call KCONFIG_ENABLE_OPT,CONFIG_SECURITY_SMACK,$(@D)/.config)
                $(call KCONFIG_ENABLE_OPT,CONFIG_SECURITY_NETWORK,$(@D)/.config))
+       $(if $(BR2_PACKAGE_IPTABLES),
+               $(call KCONFIG_ENABLE_OPT,CONFIG_IP_NF_IPTABLES,$(@D)/.config)
+               $(call KCONFIG_ENABLE_OPT,CONFIG_IP_NF_FILTER,$(@D)/.config)
+               $(call KCONFIG_ENABLE_OPT,CONFIG_NETFILTER,$(@D)/.config)
+               $(call KCONFIG_ENABLE_OPT,CONFIG_NETFILTER_XTABLES,$(@D)/.config))
        $(if $(BR2_LINUX_KERNEL_APPENDED_DTB),
                $(call KCONFIG_ENABLE_OPT,CONFIG_ARM_APPENDED_DTB,$(@D)/.config))
        yes '' | $(TARGET_MAKE_ENV) $(MAKE1) $(LINUX_MAKE_FLAGS) -C $(@D) oldconfig