From 103335644265d96c656a7de3d5994fbd11246300 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 5 Feb 2018 13:35:24 +0100 Subject: kernel: backport netfilter NAT offload support to 4.14 This only works with nftables for now, iptables support will be added later. Includes a number of related upstream nftables improvements to simplify backporting follow-up changes Signed-off-by: John Crispin Signed-off-by: Felix Fietkau --- package/kernel/linux/modules/netfilter.mk | 37 +++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'package') diff --git a/package/kernel/linux/modules/netfilter.mk b/package/kernel/linux/modules/netfilter.mk index 82d5604841..57d68d4a55 100644 --- a/package/kernel/linux/modules/netfilter.mk +++ b/package/kernel/linux/modules/netfilter.mk @@ -140,6 +140,23 @@ endef $(eval $(call KernelPackage,nf-nat6)) +define KernelPackage/nf-flow + SUBMENU:=$(NF_MENU) + TITLE:=Netfilter flowtable support + KCONFIG:= \ + CONFIG_NETFILTER_INGRESS=y \ + CONFIG_NF_FLOW_TABLE \ + CONFIG_NF_FLOW_TABLE_HW + DEPENDS:=+kmod-nf-conntrack +kmod-nft-core @!LINUX_3_18 @!LINUX_4_4 @!LINUX_4_9 + FILES:= \ + $(LINUX_DIR)/net/netfilter/nf_flow_table.ko \ + $(LINUX_DIR)/net/netfilter/nf_flow_table_hw.ko + AUTOLOAD:=$(call AutoProbe,nf_flow_table nf_flow_table_hw) +endef + +$(eval $(call KernelPackage,nf-flow)) + + define AddDepends/ipt SUBMENU:=$(NF_MENU) DEPENDS+= +kmod-ipt-core $(1) @@ -970,6 +987,26 @@ endef $(eval $(call KernelPackage,nft-nat)) +define KernelPackage/nft-offload + SUBMENU:=$(NF_MENU) + TITLE:=Netfilter nf_tables routing/NAT offload support + DEPENDS:=+kmod-nf-flow +kmod-nft-nat + KCONFIG:= \ + CONFIG_NF_FLOW_TABLE_INET \ + CONFIG_NF_FLOW_TABLE_IPV4 \ + CONFIG_NF_FLOW_TABLE_IPV6 \ + CONFIG_NFT_FLOW_OFFLOAD + FILES:= \ + $(LINUX_DIR)/net/netfilter/nf_flow_table_inet.ko \ + $(LINUX_DIR)/net/ipv4/netfilter/nf_flow_table_ipv4.ko \ + $(LINUX_DIR)/net/ipv6/netfilter/nf_flow_table_ipv6.ko \ + $(LINUX_DIR)/net/netfilter/nft_flow_offload.ko + AUTOLOAD:=$(call AutoProbe,nf_flow_table_inet nf_flow_table_ipv4 nf_flow_table_ipv6 nft_flow_offload) +endef + +$(eval $(call KernelPackage,nft-offload)) + + define KernelPackage/nft-nat6 SUBMENU:=$(NF_MENU) TITLE:=Netfilter nf_tables IPv6-NAT support -- cgit v1.2.3