Revert "netfilter: separate IPv6 relevant kernel modules from IPv4"

This reverts commit 42a3c6465a.

The change was apparently never build-tested with all kmods enabled. I took
a brief look but found no simple way to untangle this, so revert it.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

include/netfilter.mk

@@ -115,7 +115,7 @@ $(eval $(call nf_add,IPT_IPOPT,CONFIG_NETFILTER_XT_MATCH_DSCP, $(P_XT)xt_dscp))
 $(eval $(call nf_add,IPT_IPOPT,CONFIG_NETFILTER_XT_TARGET_DSCP, $(P_XT)xt_DSCP))
 $(eval $(call nf_add,IPT_HASHLIMIT,CONFIG_NETFILTER_XT_MATCH_HASHLIMIT, $(P_XT)xt_hashlimit))
 $(eval $(call nf_add,IPT_RPFILTER,CONFIG_IP_NF_MATCH_RPFILTER, $(P_V4)ipt_rpfilter))
-$(eval $(call nf_add,IP6T_RPFILTER,CONFIG_IP6_NF_MATCH_RPFILTER, $(P_V6)ip6t_rpfilter))
+$(eval $(call nf_add,IPT_RPFILTER,CONFIG_IP6_NF_MATCH_RPFILTER, $(P_V6)ip6t_rpfilter))
 $(eval $(call nf_add,IPT_IPOPT,CONFIG_NETFILTER_XT_MATCH_LENGTH, $(P_XT)xt_length))
 $(eval $(call nf_add,IPT_IPOPT,CONFIG_NETFILTER_XT_MATCH_STATISTIC, $(P_XT)xt_statistic))
 $(eval $(call nf_add,IPT_IPOPT,CONFIG_NETFILTER_XT_MATCH_TCPMSS, $(P_XT)xt_tcpmss))
@@ -267,9 +267,7 @@ $(eval $(call nf_add,IPT_LED,CONFIG_NETFILTER_XT_TARGET_LED, $(P_XT)xt_LED))
 
 $(eval $(call nf_add,IPT_TEE,CONFIG_NETFILTER_XT_TARGET_TEE, $(P_XT)xt_TEE))
 $(eval $(if $(NF_KMOD),$(call nf_add,IPT_TEE,CONFIG_NF_DUP_IPV4, $(P_V4)nf_dup_ipv4, ge 4.3),))
-
+$(eval $(if $(NF_KMOD),$(call nf_add,IPT_TEE,CONFIG_NF_DUP_IPV6, $(P_V6)nf_dup_ipv6, ge 4.3),))
-# tee (IPv6)
-$(eval $(if $(NF_KMOD),$(call nf_add,IP6T_TEE,CONFIG_NF_DUP_IPV6, $(P_V6)nf_dup_ipv6, ge 4.3),))
 
 # u32
 
@@ -342,17 +340,15 @@ $(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NFT_HASH, $(P_XT)nft_hash,
 $(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NFT_COUNTER, $(P_XT)nft_counter),))
 $(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NFT_LOG, $(P_XT)nft_log),))
 $(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NFT_LIMIT, $(P_XT)nft_limit),))
+$(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NFT_REJECT, $(P_XT)nft_reject $(P_V4)nft_reject_ipv4 $(P_V6)nft_reject_ipv6),))
 $(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NFT_REJECT_INET, $(P_XT)nft_reject_inet),))
 $(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NF_TABLES_IPV4, $(P_V4)nf_tables_ipv4),))
 $(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NFT_CHAIN_ROUTE_IPV4, $(P_V4)nft_chain_route_ipv4),))
+$(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NF_TABLES_IPV6, $(P_V6)nf_tables_ipv6),))
+$(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NFT_CHAIN_ROUTE_IPV6, $(P_V6)nft_chain_route_ipv6),))
 $(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NFT_REDIR, $(P_XT)nft_redir, ge 3.19.0),))
 $(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE,CONFIG_NFT_QUOTA, $(P_XT)nft_quota, ge 4.9.0),))
 
-# nftables (IPv6)
-$(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE6,CONFIG_NFT_REJECT, $(P_XT)nft_reject $(P_V4)nft_reject_ipv4 $(P_V6)nft_reject_ipv6),))
-$(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE6,CONFIG_NF_TABLES_IPV6, $(P_V6)nf_tables_ipv6),))
-$(eval $(if $(NF_KMOD),$(call nf_add,NFT_CORE6,CONFIG_NFT_CHAIN_ROUTE_IPV6, $(P_V6)nft_chain_route_ipv6),))
-
 $(eval $(if $(NF_KMOD),$(call nf_add,NFT_ARP,CONFIG_NF_TABLES_ARP, $(P_V4)nf_tables_arp),))
 
 $(eval $(if $(NF_KMOD),$(call nf_add,NFT_BRIDGE,CONFIG_NF_TABLES_BRIDGE, $(P_EBT)nf_tables_bridge),))

package/kernel/linux/modules/netfilter.mk

@@ -586,19 +586,6 @@ endef
 
 $(eval $(call KernelPackage,ipt-tee))
 
-define KernelPackage/ip6t-tee
-  TITLE:=TEE support (IPv6)
-  DEPENDS:=+kmod-ipt-tee
-  FILES:= $(foreach mod,$(IP6T_TEE-m),$(LINUX_DIR)/net/$(mod).ko)
-  AUTOLOAD:=$(call AutoProbe,$(notdir nf_tee $(IP6T_TEE-m)))
-  $(call AddDepends/ipt)
-endef
-
-define KernelPackage/ip6t-tee/description
-  Kernel modules for TEE (IPv6)
-endef
-
-$(eval $(call KernelPackage,ip6t-tee))
 
 define KernelPackage/ipt-u32
   TITLE:=U32 support
@@ -964,8 +951,10 @@ define KernelPackage/ipt-rpfilter
   TITLE:=Netfilter rpfilter match
   DEPENDS:=+kmod-ipt-core
   KCONFIG:=$(KCONFIG_IPT_RPFILTER)
-  FILES:=$(realpath $(LINUX_DIR)/net/ipv4/netfilter/ipt_rpfilter.ko)
+  FILES:=$(realpath \
-  AUTOLOAD:=$(call AutoProbe,ipt_rpfilter)
+	$(LINUX_DIR)/net/ipv4/netfilter/ipt_rpfilter.ko \
+	$(LINUX_DIR)/net/ipv6/netfilter/ip6t_rpfilter.ko)
+  AUTOLOAD:=$(call AutoProbe,ipt_rpfilter ip6t_rpfilter)
   $(call KernelPackage/ipt)
 endef
 
@@ -976,27 +965,10 @@ endef
 $(eval $(call KernelPackage,ipt-rpfilter))
 
 
-define KernelPackage/ip6t-rpfilter
-  SUBMENU:=$(NF_MENU)
-  TITLE:=Netfilter rpfilter match (IPv6)
-  DEPENDS:=+kmod-ipt-core
-  KCONFIG:=$(KCONFIG_IP6T_RPFILTER)
-  FILES:=$(realpath $(LINUX_DIR)/net/ipv6/netfilter/ip6t_rpfilter.ko)
-  AUTOLOAD:=$(call AutoProbe,ip6t_rpfilter)
-  $(call KernelPackage/ipt)
-endef
-
-define KernelPackage/ip6t-rpfilter/description
- Kernel modules support for the Netfilter rpfilter match (IPv6)
-endef
-
-$(eval $(call KernelPackage,ip6t-rpfilter))
-
-
 define KernelPackage/nft-core
   SUBMENU:=$(NF_MENU)
   TITLE:=Netfilter nf_tables support
-  DEPENDS:=+kmod-nfnetlink +kmod-nf-reject +kmod-nf-conntrack
+  DEPENDS:=+kmod-nfnetlink +kmod-nf-reject +kmod-nf-reject6 +kmod-nf-conntrack6
   FILES:=$(foreach mod,$(NFT_CORE-m),$(LINUX_DIR)/net/$(mod).ko)
   AUTOLOAD:=$(call AutoProbe,$(notdir $(NFT_CORE-m)))
   KCONFIG:= \
@@ -1011,20 +983,6 @@ endef
 
 $(eval $(call KernelPackage,nft-core))
 
-define KernelPackage/nft-core6
-  SUBMENU:=$(NF_MENU)
-  TITLE:=Netfilter nf_tables support (IPv6)
-  DEPENDS:=+kmod-nft-core +kmod-nf-reject6 +kmod-nf-conntrack6
-  FILES:=$(foreach mod,$(NFT_CORE6-m),$(LINUX_DIR)/net/$(mod).ko)
-  AUTOLOAD:=$(call AutoProbe,$(notdir $(NFT_CORE6-m)))
-  KCONFIG:= $(KCONFIG_NFT_CORE6)
-endef
-
-define KernelPackage/nft-core6/description
- Kernel module support for nftables (IPv6)
-endef
-
-$(eval $(call KernelPackage,nft-core6))
 
 define KernelPackage/nft-arp
   SUBMENU:=$(NF_MENU)
@@ -1084,17 +1042,6 @@ endef
 $(eval $(call KernelPackage,nft-offload))
 
 
-define KernelPackage/nft-offload6
-  SUBMENU:=$(NF_MENU)
-  TITLE:=Netfilter nf_tables routing/NAT offload support (IPv6)
-  DEPENDS:=+kmod-nft-offload
-  KCONFIG:=CONFIG_NF_FLOW_TABLE_IPV6
-  FILES:=$(LINUX_DIR)/net/ipv6/netfilter/nf_flow_table_ipv6.ko
-  AUTOLOAD:=$(call AutoProbe,nf_flow_table_ipv6)
-endef
-
-$(eval $(call KernelPackage,nft-offload6))
-
 define KernelPackage/nft-nat6
   SUBMENU:=$(NF_MENU)
   TITLE:=Netfilter nf_tables IPv6-NAT support