From 49be26db3b5a96efbc912becc474a7043ac26318 Mon Sep 17 00:00:00 2001
From: nico <nico@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 11 Nov 2005 18:59:20 +0000
Subject: backport netfilter modules split introduced by changeset:2083 in
 whiterussian (fix ticket:40)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2430 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 target/linux/Config.in                          | 132 +++++++++++++++++++++--
 target/linux/control/kmod-imq.control           |   4 +
 target/linux/control/kmod-ipt-conntrack.control |   4 +
 target/linux/control/kmod-ipt-extra.control     |   4 +
 target/linux/control/kmod-ipt-filter.control    |   4 +
 target/linux/control/kmod-ipt-ipopt.control     |   4 +
 target/linux/control/kmod-ipt-ipsec.control     |   4 +
 target/linux/control/kmod-ipt-nat-extra.control |   4 +
 target/linux/control/kmod-ipt-nat.control       |   4 +
 target/linux/control/kmod-ipt-queue.control     |   4 +
 target/linux/control/kmod-ipt-ulog.control      |   4 +
 target/linux/linux-2.4/Makefile                 |  48 ++++++++-
 target/linux/linux-2.6/Makefile                 |  48 ++++++++-
 target/linux/netfilter.mk                       | 136 ++++++++++++++++++++++++
 target/linux/rules.mk                           |   4 +-
 15 files changed, 395 insertions(+), 13 deletions(-)
 create mode 100644 target/linux/control/kmod-imq.control
 create mode 100644 target/linux/control/kmod-ipt-conntrack.control
 create mode 100644 target/linux/control/kmod-ipt-extra.control
 create mode 100644 target/linux/control/kmod-ipt-filter.control
 create mode 100644 target/linux/control/kmod-ipt-ipopt.control
 create mode 100644 target/linux/control/kmod-ipt-ipsec.control
 create mode 100644 target/linux/control/kmod-ipt-nat-extra.control
 create mode 100644 target/linux/control/kmod-ipt-nat.control
 create mode 100644 target/linux/control/kmod-ipt-queue.control
 create mode 100644 target/linux/control/kmod-ipt-ulog.control
 create mode 100644 target/linux/netfilter.mk

diff --git a/target/linux/Config.in b/target/linux/Config.in
index ba8e4113c..cd7febae7 100644
--- a/target/linux/Config.in
+++ b/target/linux/Config.in
@@ -188,21 +188,141 @@ config BR2_PACKAGE_KMOD_EBTABLES
 	help
 	  Kernel modules for bridge firewalling
 
-config BR2_PACKAGE_KMOD_IPTABLES_V4
-	prompt "kmod-iptables..................... Basic set of kernel modules for iptables"
+config BR2_PACKAGE_KMOD_IPTABLES
+	prompt "kmod-iptables..................... Core Netfilter modules for IPv4 firewalling"
 	tristate
 	default y
 	help
 	  Kernel modules for IPv4 firewalling
 
-config BR2_PACKAGE_KMOD_IPTABLES_V4_EXTRA
-	prompt "kmod-iptables-extra............... Extra modules for iptables"
+config BR2_PACKAGE_KMOD_IPTABLES_EXTRA
+	prompt "kmod-iptables-extra............... Extra Netfilter modules for IPv4 firewalling (meta-package)"
 	tristate
 	default m
+	select BR2_PACKAGE_KMOD_IPT_CONNTRACK
+	select BR2_PACKAGE_KMOD_IPT_FILTER
+	select BR2_PACKAGE_KMOD_IPT_IPOPT
+	select BR2_PACKAGE_KMOD_IPT_IPSEC
+	select BR2_PACKAGE_KMOD_IPT_NAT
+	select BR2_PACKAGE_KMOD_IPT_NAT_EXTRA
+	select BR2_PACKAGE_KMOD_IPT_QUEUE
+	select BR2_PACKAGE_KMOD_IPT_ULOG
+	select BR2_PACKAGE_KMOD_IPT_EXTRA
 	help
-	  Extra kernel modules for IPv4 firewalling
+	  Extra Netfilter kernel modules for IPv4 firewalling (meta-package)
 
-config BR2_PACKAGE_KMOD_IPTABLES_V6
+config BR2_PACKAGE_KMOD_IPT_CONNTRACK
+	prompt "kmod-ipt-conntrack................ Netfilter modules for connection tracking"
+	tristate
+	default m
+	help
+	  Netfilter (IPv4) kernel modules for connection tracking
+
+	  Includes:
+	    * ipt_conntrack
+	    * ipt_helper
+	    * ipt_connmark/CONNMARK
+
+config BR2_PACKAGE_KMOD_IPT_FILTER
+	prompt "kmod-ipt-filter................... Netfilter modules for packet content inspection"
+	tristate
+	default m
+	help
+	  Netfilter (IPv4) kernel modules for packet content inspection
+
+	  Includes:
+	    * ipt_ipp2p
+	    * ipt_layer7
+
+config BR2_PACKAGE_KMOD_IPT_IPOPT
+	prompt "kmod-ipt-ipopt.................... Netfilter modules for matching/changing IP packet options"
+	tristate
+	default m
+	help
+	  Netfilter (IPv4) kernel modules for matching/changing IP packet options
+	  
+	  Includes:
+	    * ipt_dscp/DSCP
+	    * ipt_ecn/ECN
+	    * ipt_length
+	    * ipt_mac
+	    * ipt_tos/TOS
+	    * ipt_tcpmms
+	    * ipt_ttl/TTL
+	    * ipt_unclean
+
+config BR2_PACKAGE_KMOD_IPT_IPSEC
+	prompt "kmod-ipt-ipsec.................... Netfilter modules for matching IPsec packets"
+	tristate
+	default m
+	help
+	  Netfilter (IPv4) kernel modules for matching IPsec packets
+	  
+	  Includes:
+	    * ipt_ah
+	    * ipt_esp
+
+config BR2_PACKAGE_KMOD_IPT_NAT
+	prompt "kmod-ipt-nat...................... Netfilter modules for different NAT targets"
+	tristate
+	default m
+	help
+	  Netfilter (IPv4) kernel modules for different NAT targets
+
+	  Includes: 
+	    * ipt_REDIRECT
+
+config BR2_PACKAGE_KMOD_IPT_NAT_EXTRA
+	prompt "kmod-ipt-nat-extra................ Extra Netfilter NAT modules for special protocols"
+	tristate
+	default m
+	help
+	  Extra Netfilter (IPv4) NAT kernel modules for special protocols
+	  
+	  Includes:
+	    * ip_conntrack_amanda
+	    * ip_conntrack_proto_gre
+	    * ip_nat_proto_gre
+	    * ip_conntrack_pptp
+	    * ip_nat_pptp
+	    * ip_nat_snmp_basic
+	    * ip_conntrack_tftp
+
+config BR2_PACKAGE_KMOD_IPT_QUEUE
+	prompt "kmod-ipt-queue.................... Netfilter module for user-space packet queueing"
+	tristate
+	default m
+	help
+	  Netfilter (IPv4) module for user-space packet queueing
+	  
+	  Includes:
+	    * ipt_QUEUE
+
+config BR2_PACKAGE_KMOD_IPT_ULOG
+	prompt "kmod-ipt-ulog..................... Netfilter module for user-space packet logging"
+	tristate
+	default m
+	help
+	  Netfilter (IPv4) module for user-space packet logging
+	  
+	  Includes:
+	    * ipt_ULOG
+
+config BR2_PACKAGE_KMOD_IPT_EXTRA
+	prompt "kmod-ipt-extra.................... Other extra Netfilter modules"
+	tristate
+	default m
+	help
+	  Other extra Netfilter (IPv4) kernel modules
+
+	  Includes:
+	    * ipt_limit
+	    * ipt_owner
+	    * ipt_physdev
+	    * ipt_pkttype
+	    * ipt_recent
+
+config BR2_PACKAGE_KMOD_IP6TABLES
 	prompt "kmod-ip6tables.................... Kernel modules for ip6tables"
 	tristate
 	default m
diff --git a/target/linux/control/kmod-imq.control b/target/linux/control/kmod-imq.control
new file mode 100644
index 000000000..78925a40b
--- /dev/null
+++ b/target/linux/control/kmod-imq.control
@@ -0,0 +1,4 @@
+Package: kmod-imq
+Priority: optional
+Section: net
+Description: Kernel support for the Intermediate Queueing device
diff --git a/target/linux/control/kmod-ipt-conntrack.control b/target/linux/control/kmod-ipt-conntrack.control
new file mode 100644
index 000000000..3528ec4e0
--- /dev/null
+++ b/target/linux/control/kmod-ipt-conntrack.control
@@ -0,0 +1,4 @@
+Package: kmod-ipt-conntrack
+Priority: optional
+Section: net
+Description: Extra Netfilter (IPv4) kernel modules for connection tracking
diff --git a/target/linux/control/kmod-ipt-extra.control b/target/linux/control/kmod-ipt-extra.control
new file mode 100644
index 000000000..d336cc300
--- /dev/null
+++ b/target/linux/control/kmod-ipt-extra.control
@@ -0,0 +1,4 @@
+Package: kmod-ipt-extra
+Priority: optional
+Section: net
+Description: Other extra Netfilter (IPv4) kernel modules
diff --git a/target/linux/control/kmod-ipt-filter.control b/target/linux/control/kmod-ipt-filter.control
new file mode 100644
index 000000000..8f5684d49
--- /dev/null
+++ b/target/linux/control/kmod-ipt-filter.control
@@ -0,0 +1,4 @@
+Package: kmod-ipt-filter
+Priority: optional
+Section: net
+Description: Netfilter (IPv4) kernel modules for packet content inspection
diff --git a/target/linux/control/kmod-ipt-ipopt.control b/target/linux/control/kmod-ipt-ipopt.control
new file mode 100644
index 000000000..f0c9856d0
--- /dev/null
+++ b/target/linux/control/kmod-ipt-ipopt.control
@@ -0,0 +1,4 @@
+Package: kmod-ipt-ipopt
+Priority: optional
+Section: net
+Description: Netfilter (IPv4) kernel modules for matching/changing IP packet options
diff --git a/target/linux/control/kmod-ipt-ipsec.control b/target/linux/control/kmod-ipt-ipsec.control
new file mode 100644
index 000000000..6baa3d444
--- /dev/null
+++ b/target/linux/control/kmod-ipt-ipsec.control
@@ -0,0 +1,4 @@
+Package: kmod-ipt-ipsec
+Priority: optional
+Section: net
+Description: Netfilter (IPv4) kernel modules for matching special IPsec packets
diff --git a/target/linux/control/kmod-ipt-nat-extra.control b/target/linux/control/kmod-ipt-nat-extra.control
new file mode 100644
index 000000000..84b429453
--- /dev/null
+++ b/target/linux/control/kmod-ipt-nat-extra.control
@@ -0,0 +1,4 @@
+Package: kmod-ipt-nat-extra
+Priority: optional
+Section: net
+Description: Extra Netfilter (IPv4) NAT kernel modules for special protocols
diff --git a/target/linux/control/kmod-ipt-nat.control b/target/linux/control/kmod-ipt-nat.control
new file mode 100644
index 000000000..89fc8434b
--- /dev/null
+++ b/target/linux/control/kmod-ipt-nat.control
@@ -0,0 +1,4 @@
+Package: kmod-ipt-nat
+Priority: optional
+Section: net
+Description: Netfilter (IPv4) kernel modules for different NAT targets
diff --git a/target/linux/control/kmod-ipt-queue.control b/target/linux/control/kmod-ipt-queue.control
new file mode 100644
index 000000000..ba96eb5c2
--- /dev/null
+++ b/target/linux/control/kmod-ipt-queue.control
@@ -0,0 +1,4 @@
+Package: kmod-ipt-queue
+Priority: optional
+Section: net
+Description: Netfilter (IPv4) kernel module for user-space packet queuing
diff --git a/target/linux/control/kmod-ipt-ulog.control b/target/linux/control/kmod-ipt-ulog.control
new file mode 100644
index 000000000..2ce0fdcae
--- /dev/null
+++ b/target/linux/control/kmod-ipt-ulog.control
@@ -0,0 +1,4 @@
+Package: kmod-ipt-ulog
+Priority: optional
+Section: net
+Description: Netfilter (IPv4) kernel module for user-space packet logging
diff --git a/target/linux/linux-2.4/Makefile b/target/linux/linux-2.4/Makefile
index 76e5268a5..5a16a7ed6 100644
--- a/target/linux/linux-2.4/Makefile
+++ b/target/linux/linux-2.4/Makefile
@@ -50,6 +50,7 @@ ifeq ($(BOARD),ar7)
 include ./ar7.mk
 endif
 
+include ../netfilter.mk
 
 # Networking
 
@@ -62,6 +63,11 @@ $(eval $(call KMOD_template,GRE,gre,\
 	$(MODULES_DIR)/kernel/net/ipv4/ip_gre.o \
 ,CONFIG_NET_IPGRE))
 
+$(eval $(call KMOD_template,IMQ,imq,\
+	$(MODULES_DIR)/kernel/net/*/netfilter/*IMQ*.o \
+	$(MODULES_DIR)/kernel/drivers/net/imq.o \
+))
+
 $(eval $(call KMOD_template,IPV6,ipv6,\
 	$(MODULES_DIR)/kernel/net/ipv6/ipv6.o \
 ,CONFIG_IPV6,,20,ipv6))
@@ -107,11 +113,47 @@ $(eval $(call KMOD_template,EBTABLES,ebtables,\
 	$(MODULES_DIR)/kernel/net/bridge/netfilter/*.o \
 ,CONFIG_BRIDGE_NF_EBTABLES))
 
-$(eval $(call KMOD_template,IPTABLES_V4_EXTRA,iptables-extra,\
-	$(MODULES_DIR)/kernel/net/ipv4/netfilter/ip*.o \
+# metapackage for compatibility ...
+$(eval $(call KMOD_template,IPTABLES_EXTRA,iptables-extra,\
+,,kmod-ipt-conntrack kmod-ipt-extra kmod-ipt-filter kmod-ipt-ipopt kmod-ipt-ipsec kmod-ipt-nat kmod-ipt-nat-extra kmod-ipt-queue kmod-ipt-ulogd))
+
+$(eval $(call KMOD_template,IPT_CONNTRACK,ipt-conntrack,\
+	$(foreach mod,$(IPKG_KMOD_IPT_CONNTRACK-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).o) \
+))
+
+$(eval $(call KMOD_template,IPT_EXTRA,ipt-extra,\
+	$(foreach mod,$(IPKG_KMOD_IPT_EXTRA-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).o) \
+))
+
+$(eval $(call KMOD_template,IPT_FILTER,ipt-filter,\
+	$(foreach mod,$(IPKG_KMOD_IPT_FILTER-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).o) \
+))
+
+$(eval $(call KMOD_template,IPT_IPOPT,ipt-ipopt,\
+	$(foreach mod,$(IPKG_KMOD_IPT_IPOPT-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).o) \
+))
+
+$(eval $(call KMOD_template,IPT_IPSEC,ipt-ipsec,\
+	$(foreach mod,$(IPKG_KMOD_IPT_IPSEC-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).o) \
+))
+
+$(eval $(call KMOD_template,IPT_NAT,ipt-nat,\
+	$(foreach mod,$(IPKG_KMOD_IPT_NAT-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).o) \
+))
+
+$(eval $(call KMOD_template,IPT_NAT_EXTRA,ipt-nat-extra,\
+	$(foreach mod,$(IPKG_KMOD_IPT_NAT_EXTRA-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).o) \
+,,,40,$(IPKG_KMOD_IPT_NAT_EXTRA-m)))
+
+$(eval $(call KMOD_template,IPT_QUEUE,ipt-queue,\
+	$(foreach mod,$(IPKG_KMOD_IPT_QUEUE-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).o) \
+))
+
+$(eval $(call KMOD_template,IPT_ULOG,ipt-ulog,\
+	$(foreach mod,$(IPKG_KMOD_IPT_ULOG-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).o) \
 ))
 
-$(eval $(call KMOD_template,IPTABLES_V6,ip6tables,\
+$(eval $(call KMOD_template,IP6TABLES,ip6tables,\
 	$(MODULES_DIR)/kernel/net/ipv6/netfilter/ip*.o \
 ,CONFIG_IP6_NF_IPTABLES,kmod-ipv6))
 
diff --git a/target/linux/linux-2.6/Makefile b/target/linux/linux-2.6/Makefile
index f0ba690b5..8b96ff9bf 100644
--- a/target/linux/linux-2.6/Makefile
+++ b/target/linux/linux-2.6/Makefile
@@ -51,6 +51,7 @@ ifeq ($(BOARD),x86)
 include ./x86.mk
 endif
 
+include ../netfilter.mk
 
 # Networking
 
@@ -63,6 +64,11 @@ $(eval $(call KMOD_template,GRE,gre,\
 	$(MODULES_DIR)/kernel/net/ipv4/ip_gre.ko \
 ,CONFIG_NET_IPGRE))
 
+$(eval $(call KMOD_template,IMQ,imq,\
+	$(MODULES_DIR)/kernel/net/*/netfilter/*IMQ*.ko \
+	$(MODULES_DIR)/kernel/drivers/net/imq.ko \
+))
+
 $(eval $(call KMOD_template,IPV6,ipv6,\
 	$(MODULES_DIR)/kernel/net/ipv6/ipv6.ko \
 ,CONFIG_IPV6,,20,ipv6))
@@ -105,11 +111,47 @@ $(eval $(call KMOD_template,EBTABLES,ebtables,\
 	$(MODULES_DIR)/kernel/net/bridge/netfilter/*.ko \
 ,CONFIG_BRIDGE_NF_EBTABLES))
 
-$(eval $(call KMOD_template,IPTABLES_V4_EXTRA,iptables-extra,\
-	$(MODULES_DIR)/kernel/net/ipv4/netfilter/ip*.ko \
+# metapackage for compatibility ...
+$(eval $(call KMOD_template,IPTABLES_EXTRA,iptables-extra,\
+,,kmod-ipt-conntrack kmod-ipt-extra kmod-ipt-filter kmod-ipt-ipopt kmod-ipt-ipsec kmod-ipt-nat kmod-ipt-nat-extra kmod-ipt-queue kmod-ipt-ulogd))
+
+$(eval $(call KMOD_template,IPT_CONNTRACK,ipt-conntrack,\
+	$(foreach mod,$(IPKG_KMOD_IPT_CONNTRACK-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).ko) \
+))
+
+$(eval $(call KMOD_template,IPT_EXTRA,ipt-extra,\
+	$(foreach mod,$(IPKG_KMOD_IPT_EXTRA-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).ko) \
+))
+
+$(eval $(call KMOD_template,IPT_FILTER,ipt-filter,\
+	$(foreach mod,$(IPKG_KMOD_IPT_FILTER-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).ko) \
+))
+
+$(eval $(call KMOD_template,IPT_IPOPT,ipt-ipopt,\
+	$(foreach mod,$(IPKG_KMOD_IPT_IPOPT-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).ko) \
+))
+
+$(eval $(call KMOD_template,IPT_IPSEC,ipt-ipsec,\
+	$(foreach mod,$(IPKG_KMOD_IPT_IPSEC-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).ko) \
+))
+
+$(eval $(call KMOD_template,IPT_NAT,ipt-nat,\
+	$(foreach mod,$(IPKG_KMOD_IPT_NAT-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).ko) \
+))
+
+$(eval $(call KMOD_template,IPT_NAT_EXTRA,ipt-nat-extra,\
+	$(foreach mod,$(IPKG_KMOD_IPT_NAT_EXTRA-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).ko) \
+,,,40,$(IPKG_KMOD_IPT_NAT_EXTRA-m)))
+
+$(eval $(call KMOD_template,IPT_QUEUE,ipt-queue,\
+	$(foreach mod,$(IPKG_KMOD_IPT_QUEUE-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).ko) \
+))
+
+$(eval $(call KMOD_template,IPT_ULOG,ipt-ulog,\
+	$(foreach mod,$(IPKG_KMOD_IPT_ULOG-m),$(MODULES_DIR)/kernel/net/ipv4/netfilter/$(mod).ko) \
 ))
 
-$(eval $(call KMOD_template,IPTABLES_V6,ip6tables,\
+$(eval $(call KMOD_template,IP6TABLES,ip6tables,\
 	$(MODULES_DIR)/kernel/net/ipv6/netfilter/ip*.ko \
 ,CONFIG_IP6_NF_IPTABLES,kmod-ipv6))
 
diff --git a/target/linux/netfilter.mk b/target/linux/netfilter.mk
new file mode 100644
index 000000000..433c386d6
--- /dev/null
+++ b/target/linux/netfilter.mk
@@ -0,0 +1,136 @@
+# $Id: netfilter.mk 2411 2005-11-11 03:41:43Z nico $
+
+#
+# kernel modules
+#
+
+IPKG_KMOD_IPT_CONNTRACK-m :=
+IPKG_KMOD_IPT_CONNTRACK-$(CONFIG_IP_NF_MATCH_CONNTRACK) += ipt_conntrack
+IPKG_KMOD_IPT_CONNTRACK-$(CONFIG_IP_NF_MATCH_HELPER) += ipt_helper
+IPKG_KMOD_IPT_CONNTRACK-$(CONFIG_IP_NF_MATCH_CONNMARK) += ipt_connmark
+IPKG_KMOD_IPT_CONNTRACK-$(CONFIG_IP_NF_TARGET_CONNMARK) += ipt_CONNMARK
+IPKG_KMOD_IPT_CONNTRACK-$(CONFIG_IP_NF_MATCH_STATE) += ipt_state
+
+IPKG_KMOD_IPT_EXTRA-m :=
+IPKG_KMOD_IPT_EXTRA-$(CONFIG_IP_NF_MATCH_LIMIT) += ipt_limit
+IPKG_KMOD_IPT_EXTRA-$(CONFIG_IP_NF_TARGET_LOG) += ipt_LOG
+IPKG_KMOD_IPT_EXTRA-$(CONFIG_IP_NF_MATCH_MULTIPORT) += multiport
+IPKG_KMOD_IPT_EXTRA-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_owner
+IPKG_KMOD_IPT_EXTRA-$(CONFIG_IP_NF_MATCH_PHYSDEV) += ipt_physdev
+IPKG_KMOD_IPT_EXTRA-$(CONFIG_IP_NF_MATCH_PKTTYPE) += ipt_pkttype
+IPKG_KMOD_IPT_EXTRA-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent
+IPKG_KMOD_IPT_EXTRA-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT
+
+IPKG_KMOD_IPT_FILTER-m :=
+IPKG_KMOD_IPT_FILTER-$(CONFIG_IP_NF_MATCH_IPP2P) += ipt_ipp2p
+IPKG_KMOD_IPT_FILTER-$(CONFIG_IP_NF_MATCH_LAYER7) += ipt_layer7
+
+IPKG_KMOD_IPT_IPOPT-m :=
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_MATCH_DSCP) += ipt_dscp
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_TARGET_DSCP) += ipt_DSCP
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_TARGET_ECN) += ipt_ECN
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_MATCH_LENGTH) += ipt_length
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_MATCH_MAC) += ipt_mac
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_MATCH_MARK) += ipt_mark
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_TARGET_MARK) += ipt_MARK
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_MATCH_TCPMSS) += ipt_tcpmss
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_TARGET_TCPMSS) += ipt_TCPMSS
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_MATCH_TOS) += ipt_tos
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TOS
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL
+IPKG_KMOD_IPT_IPOPT-$(CONFIG_IP_NF_MATCH_UNCLEAN) += ipt_unclean
+
+IPKG_KMOD_IPT_IPSEC-m :=
+IPKG_KMOD_IPT_IPSEC-$(CONFIG_IP_NF_MATCH_AH_ESP) += ipt_ah ipt_esp
+
+IPKG_KMOD_IPT_NAT-m :=
+IPKG_KMOD_IPT_NAT-$(CONFIG_IP_NF_TARGET_MASQUERADE) += ipt_MASQUERADE
+IPKG_KMOD_IPT_NAT-$(CONFIG_IP_NF_TARGET_MIRROR) += ipt_MIRROR
+IPKG_KMOD_IPT_NAT-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT
+
+IPKG_KMOD_IPT_NAT_EXTRA-m := 
+IPKG_KMOD_IPT_NAT_EXTRA-$(CONFIG_IP_NF_AMANDA) += ip_conntrack_amanda
+IPKG_KMOD_IPT_NAT_EXTRA-$(CONFIG_IP_NF_CT_PROTO_GRE) += ip_conntrack_proto_gre
+IPKG_KMOD_IPT_NAT_EXTRA-$(CONFIG_IP_NF_NAT_PROTO_GRE) += ip_nat_proto_gre
+IPKG_KMOD_IPT_NAT_EXTRA-$(CONFIG_IP_NF_PPTP) += ip_conntrack_pptp
+IPKG_KMOD_IPT_NAT_EXTRA-$(CONFIG_IP_NF_NAT_PPTP) += ip_nat_pptp
+IPKG_KMOD_IPT_NAT_EXTRA-$(CONFIG_IP_NF_NAT_SNMP_BASIC) += ip_nat_snmp_basic
+IPKG_KMOD_IPT_NAT_EXTRA-$(CONFIG_IP_NF_TFTP) += ip_conntrack_tftp
+
+IPKG_KMOD_IPT_QUEUE-m :=
+IPKG_KMOD_IPT_QUEUE-$(CONFIG_IP_NF_QUEUE) += ip_queue
+
+IPKG_KMOD_IPT_ULOG-m :=
+IPKG_KMOD_IPT_ULOG-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG
+
+
+#
+# iptables extensions
+#
+
+IPKG_IPTABLES-y := ipt_standard
+IPKG_IPTABLES-y := ipt_icmp ipt_tcp ipt_udp
+
+IPKG_IPTABLES_MOD_CONNTRACK-m :=
+IPKG_IPTABLES_MOD_CONNTRACK-$(CONFIG_IP_NF_MATCH_CONNMARK) += ipt_connmark
+IPKG_IPTABLES_MOD_CONNTRACK-$(CONFIG_IP_NF_TARGET_CONNMARK) += ipt_CONNMARK
+IPKG_IPTABLES_MOD_CONNTRACK-$(CONFIG_IP_NF_MATCH_CONNTRACK) += ipt_conntrack
+IPKG_IPTABLES_MOD_CONNTRACK-$(CONFIG_IP_NF_MATCH_HELPER) += ipt_helper
+IPKG_IPTABLES_MOD_CONNTRACK-$(CONFIG_IP_NF_MATCH_STATE) += ipt_state
+
+IPKG_IPTABLES_MOD_EXTRA-m :=
+IPKG_IPTABLES_MOD_EXTRA-$(CONFIG_IP_NF_MATCH_LIMIT) += ipt_limit
+IPKG_IPTABLES_MOD_EXTRA-$(CONFIG_IP_NF_TARGET_LOG) += ipt_LOG
+IPKG_IPTABLES_MOD_EXTRA-$(CONFIG_IP_NF_MATCH_MULTIPORT) += ipt_multiport
+IPKG_IPTABLES_MOD_EXTRA-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_owner
+IPKG_IPTABLES_MOD_EXTRA-$(CONFIG_IP_NF_MATCH_PHYSDEV) += ipt_physdev
+IPKG_IPTABLES_MOD_EXTRA-$(CONFIG_IP_NF_MATCH_PKTTYPE) += ipt_pkttype
+IPKG_IPTABLES_MOD_EXTRA-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent
+IPKG_IPTABLES_MOD_EXTRA-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT
+
+IPKG_IPTABLES_MOD_FILTER-m :=
+IPKG_IPTABLES_MOD_FILTER-$(CONFIG_IP_NF_MATCH_IPP2P) += ipt_ipp2p
+IPKG_IPTABLES_MOD_FILTER-$(CONFIG_IP_NF_MATCH_LAYER7) += ipt_layer7
+
+IPKG_IPTABLES_MOD_IMQ-m :=
+IPKG_IPTABLES_MOD_IMQ-$(CONFIG_IP_NF_TARGET_IMQ) += ipt_IMQ
+
+IPKG_IPTABLES_MOD_IPOPT-m :=
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_MATCH_DSCP) += ipt_dscp
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_TARGET_DSCP) += ipt_DSCP
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_TARGET_ECN) += ipt_ECN
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_MATCH_LENGTH) += ipt_length
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_MATCH_MAC) += ipt_mac
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_MATCH_MARK) += ipt_mark
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_TARGET_MARK) += ipt_MARK
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_MATCH_TCPMSS) += ipt_tcpmss
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_TARGET_TCPMSS) += ipt_TCPMSS
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_MATCH_TOS) += ipt_tos
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TOS
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL
+IPKG_IPTABLES_MOD_IPOPT-$(CONFIG_IP_NF_MATCH_UNCLEAN) += ipt_unclean
+
+IPKG_IPTABLES_MOD_IPSEC-m :=
+IPKG_IPTABLES_MOD_IPSEC-$(CONFIG_IP_NF_MATCH_AH_ESP) += ipt_ah ipt_esp
+
+IPKG_IPTABLES_MOD_NAT-m :=
+IPKG_IPTABLES_MOD_NAT-$(CONFIG_IP_NF_NAT) += ipt_SNAT ipt_DNAT
+IPKG_IPTABLES_MOD_NAT-$(CONFIG_IP_NF_TARGET_MASQUERADE) += ipt_MASQUERADE
+IPKG_IPTABLES_MOD_NAT-$(CONFIG_IP_NF_TARGET_MIRROR) += ipt_MIRROR
+IPKG_IPTABLES_MOD_NAT-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT
+
+IPKG_IPTABLES_MOD_ULOG-m :=
+IPKG_IPTABLES_MOD_ULOG-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG
+
+IPKG_IPTABLES-y += $(IPKG_IPTABLES_MOD_CONNTRACK-y)
+IPKG_IPTABLES-y += $(IPKG_IPTABLES_MOD_EXTRA-y)
+IPKG_IPTABLES-y += $(IPKG_IPTABLES_MOD_FILTER-y)
+IPKG_IPTABLES-y += $(IPKG_IPTABLES_MOD_IMQ-y)
+IPKG_IPTABLES-y += $(IPKG_IPTABLES_MOD_IPOPT-y)
+IPKG_IPTABLES-y += $(IPKG_IPTABLES_MOD_IPSEC-y)
+IPKG_IPTABLES-y += $(IPKG_IPTABLES_MOD_NAT-y)
+IPKG_IPTABLES-y += $(IPKG_IPTABLES_MOD_ULOG-y)
diff --git a/target/linux/rules.mk b/target/linux/rules.mk
index f7e108658..be151ea10 100644
--- a/target/linux/rules.mk
+++ b/target/linux/rules.mk
@@ -37,10 +37,12 @@ endif
 
 $$(PKG_$(1)): $(LINUX_DIR)/.modules_done
 	rm -rf $$(I_$(1))
-	mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
 	$(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(PKG_RELEASE) $(ARCH)
 	echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control
+ifneq ($(strip $(3)),)
+	mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
 	cp $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION)
+endif
 ifneq ($(6),)
 	mkdir -p $$(I_$(1))/etc/modules.d
 	for module in $(7); do \
-- 
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