From ee791fa4ab66bb77fec0f2e323fe4c8637808a5b Mon Sep 17 00:00:00 2001 From: Denis Osvald Date: Sun, 22 Oct 2017 22:21:23 +0200 Subject: [PATCH] netfilter, iptables: add optional CHECKSUM module Signed-off-by: Denis Osvald --- include/netfilter.mk | 4 ++++ package/kernel/linux/modules/netfilter.mk | 17 +++++++++++++++++ package/network/utils/iptables/Makefile | 10 ++++++++++ 3 files changed, 31 insertions(+) diff --git a/include/netfilter.mk b/include/netfilter.mk index 1f5050b0c3..616425cb08 100644 --- a/include/netfilter.mk +++ b/include/netfilter.mk @@ -262,6 +262,10 @@ $(eval $(if $(NF_KMOD),$(call nf_add,IPT_TEE,CONFIG_NF_DUP_IPV6, $(P_V6)nf_dup_i $(eval $(call nf_add,IPT_U32,CONFIG_NETFILTER_XT_MATCH_U32, $(P_XT)xt_u32)) +# checksum + +$(eval $(call nf_add,IPT_CHECKSUM,CONFIG_NETFILTER_XT_TARGET_CHECKSUM, $(P_XT)xt_CHECKSUM)) + # netlink diff --git a/package/kernel/linux/modules/netfilter.mk b/package/kernel/linux/modules/netfilter.mk index 0ad6987aa6..0d817ed7f4 100644 --- a/package/kernel/linux/modules/netfilter.mk +++ b/package/kernel/linux/modules/netfilter.mk @@ -529,6 +529,23 @@ endef $(eval $(call KernelPackage,ipt-u32)) +define KernelPackage/ipt-checksum + TITLE:=CHECKSUM support + KCONFIG:= \ + CONFIG_NETFILTER_XT_TARGET_CHECKSUM + FILES:= \ + $(LINUX_DIR)/net/netfilter/xt_CHECKSUM.ko \ + $(foreach mod,$(IPT_CHECKSUM-m),$(LINUX_DIR)/net/$(mod).ko) + AUTOLOAD:=$(call AutoProbe,$(notdir $(IPT_CHECKSUM-m))) + $(call AddDepends/ipt) +endef + +define KernelPackage/ipt-checksum/description + Kernel modules for CHECKSUM fillin target +endef + +$(eval $(call KernelPackage,ipt-checksum)) + define KernelPackage/ipt-iprange TITLE:=Module for matching ip ranges diff --git a/package/network/utils/iptables/Makefile b/package/network/utils/iptables/Makefile index 133d98c16b..43b5220f2d 100644 --- a/package/network/utils/iptables/Makefile +++ b/package/network/utils/iptables/Makefile @@ -395,6 +395,15 @@ U32 iptables extensions. endef +define Package/iptables-mod-checksum +$(call Package/iptables/Module, +kmod-ipt-checksum) + TITLE:=IP CHECKSUM target extension +endef + +define Package/iptables-mod-checksum/description +iptables extension for the CHECKSUM calculation target +endef + define Package/ip6tables $(call Package/iptables/Default) DEPENDS:=@IPV6 +kmod-ip6tables +iptables @@ -600,6 +609,7 @@ $(eval $(call BuildPlugin,iptables-mod-u32,$(IPT_U32-m))) $(eval $(call BuildPlugin,iptables-mod-nflog,$(IPT_NFLOG-m))) $(eval $(call BuildPlugin,iptables-mod-trace,$(IPT_DEBUG-m))) $(eval $(call BuildPlugin,iptables-mod-nfqueue,$(IPT_NFQUEUE-m))) +$(eval $(call BuildPlugin,iptables-mod-checksum,$(IPT_CHECKSUM-m))) $(eval $(call BuildPackage,ip6tables)) $(eval $(call BuildPlugin,ip6tables-extra,$(IPT_IPV6_EXTRA-m))) $(eval $(call BuildPlugin,ip6tables-mod-nat,$(IPT_NAT6-m)))