Since we will replace iptables with nft for wireguard netns testing,
let's also convert the qemu test to use nft at the same time.

Co-developed-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
---
 .../testing/selftests/wireguard/qemu/Makefile | 36 ++++++++++++++-----
 .../selftests/wireguard/qemu/kernel.config    |  7 ++--
 2 files changed, 30 insertions(+), 13 deletions(-)

diff --git a/tools/testing/selftests/wireguard/qemu/Makefile b/tools/testing/selftests/wireguard/qemu/Makefile
index 35856b11c143..2442ae99f007 100644
--- a/tools/testing/selftests/wireguard/qemu/Makefile
+++ b/tools/testing/selftests/wireguard/qemu/Makefile
@@ -40,7 +40,9 @@ endef
 $(eval $(call tar_download,IPERF,iperf,3.11,.tar.gz,https://downloads.es.net/pub/iperf/,de8cb409fad61a0574f4cb07eb19ce1159707403ac2dc01b5d175e91240b7e5f))
 $(eval $(call tar_download,BASH,bash,5.1.16,.tar.gz,https://ftp.gnu.org/gnu/bash/,5bac17218d3911834520dad13cd1f85ab944e1c09ae1aba55906be1f8192f558))
 $(eval $(call tar_download,IPROUTE2,iproute2,5.17.0,.tar.gz,https://www.kernel.org/pub/linux/utils/net/iproute2/,bda331d5c4606138892f23a565d78fca18919b4d508a0b7ca8391c2da2db68b9))
-$(eval $(call tar_download,IPTABLES,iptables,1.8.7,.tar.bz2,https://www.netfilter.org/projects/iptables/files/,c109c96bb04998cd44156622d36f8e04b140701ec60531a10668cfdff5e8d8f0))
+$(eval $(call tar_download,LIBMNL,libmnl,1.0.5,.tar.bz2,https://www.netfilter.org/projects/libmnl/files/,274b9b919ef3152bfb3da3a13c950dd60d6e2bcd54230ffeca298d03b40d0525))
+$(eval $(call tar_download,LIBNFTNL,libnftnl,1.2.8,.tar.xz,https://www.netfilter.org/projects/libnftnl/files/,37fea5d6b5c9b08de7920d298de3cdc942e7ae64b1a3e8b880b2d390ae67ad95))
+$(eval $(call tar_download,NFTABLES,nftables,1.1.1,.tar.xz,https://www.netfilter.org/projects/nftables/files/,6358830f3a64f31e39b0ad421d7dadcd240b72343ded48d8ef13b8faf204865a))
 $(eval $(call tar_download,NMAP,nmap,7.92,.tgz,https://nmap.org/dist/,064183ea642dc4c12b1ab3b5358ce1cef7d2e7e11ffa2849f16d339f5b717117))
 $(eval $(call tar_download,IPUTILS,iputils,s20190709,.tar.gz,https://github.com/iputils/iputils/archive/s20190709.tar.gz/#,a15720dd741d7538dd2645f9f516d193636ae4300ff7dbc8bfca757bf166490a))
 $(eval $(call tar_download,WIREGUARD_TOOLS,wireguard-tools,1.0.20210914,.tar.xz,https://git.zx2c4.com/wireguard-tools/snapshot/,97ff31489217bb265b7ae850d3d0f335ab07d2652ba1feec88b734bc96bd05ac))
@@ -322,8 +324,7 @@ $(BUILD_PATH)/init-cpio-spec.txt: $(TOOLCHAIN_PATH)/.installed $(BUILD_PATH)/ini
 	echo "file /bin/ss $(IPROUTE2_PATH)/misc/ss 755 0 0" >> $@
 	echo "file /bin/ping $(IPUTILS_PATH)/ping 755 0 0" >> $@
 	echo "file /bin/ncat $(NMAP_PATH)/ncat/ncat 755 0 0" >> $@
-	echo "file /bin/xtables-legacy-multi $(IPTABLES_PATH)/iptables/xtables-legacy-multi 755 0 0" >> $@
-	echo "slink /bin/iptables xtables-legacy-multi 777 0 0" >> $@
+	echo "file /bin/nft $(NFTABLES_PATH)/src/nft 755 0 0" >> $@
 	echo "slink /bin/ping6 ping 777 0 0" >> $@
 	echo "dir /lib 755 0 0" >> $@
 	echo "file /lib/libc.so $(TOOLCHAIN_PATH)/$(CHOST)/lib/libc.so 755 0 0" >> $@
@@ -338,7 +339,7 @@ $(KERNEL_BUILD_PATH)/.config: $(TOOLCHAIN_PATH)/.installed kernel.config arch/$(
 	cd $(KERNEL_BUILD_PATH) && ARCH=$(KERNEL_ARCH) $(KERNEL_PATH)/scripts/kconfig/merge_config.sh -n $(KERNEL_BUILD_PATH)/.config $(KERNEL_BUILD_PATH)/minimal.config
 	$(if $(findstring yes,$(DEBUG_KERNEL)),cp debug.config $(KERNEL_BUILD_PATH) && cd $(KERNEL_BUILD_PATH) && ARCH=$(KERNEL_ARCH) $(KERNEL_PATH)/scripts/kconfig/merge_config.sh -n $(KERNEL_BUILD_PATH)/.config debug.config,)
 
-$(KERNEL_BZIMAGE): $(TOOLCHAIN_PATH)/.installed $(KERNEL_BUILD_PATH)/.config $(BUILD_PATH)/init-cpio-spec.txt $(IPERF_PATH)/src/iperf3 $(IPUTILS_PATH)/ping $(BASH_PATH)/bash $(IPROUTE2_PATH)/misc/ss $(IPROUTE2_PATH)/ip/ip $(IPTABLES_PATH)/iptables/xtables-legacy-multi $(NMAP_PATH)/ncat/ncat $(WIREGUARD_TOOLS_PATH)/src/wg $(BUILD_PATH)/init
+$(KERNEL_BZIMAGE): $(TOOLCHAIN_PATH)/.installed $(KERNEL_BUILD_PATH)/.config $(BUILD_PATH)/init-cpio-spec.txt $(IPERF_PATH)/src/iperf3 $(IPUTILS_PATH)/ping $(BASH_PATH)/bash $(IPROUTE2_PATH)/misc/ss $(IPROUTE2_PATH)/ip/ip $(LIBMNL_PATH)/libmnl $(LIBNFTNL_PATH)/libnftnl $(NFTABLES_PATH)/src/nft $(NMAP_PATH)/ncat/ncat $(WIREGUARD_TOOLS_PATH)/src/wg $(BUILD_PATH)/init
 	$(MAKE) -C $(KERNEL_PATH) O=$(KERNEL_BUILD_PATH) ARCH=$(KERNEL_ARCH) CROSS_COMPILE=$(CROSS_COMPILE)
 .PHONY: $(KERNEL_BZIMAGE)
 
@@ -421,15 +422,32 @@ $(IPROUTE2_PATH)/misc/ss: | $(IPROUTE2_PATH)/.installed $(USERSPACE_DEPS)
 	$(MAKE) -C $(IPROUTE2_PATH) PREFIX=/ misc/ss
 	$(STRIP) -s $@
 
-$(IPTABLES_PATH)/.installed: $(IPTABLES_TAR)
+$(LIBMNL_PATH)/.installed: $(LIBMNL_TAR)
 	mkdir -p $(BUILD_PATH)
 	flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
-	sed -i -e "/nfnetlink=[01]/s:=[01]:=0:" -e "/nfconntrack=[01]/s:=[01]:=0:" $(IPTABLES_PATH)/configure
 	touch $@
 
-$(IPTABLES_PATH)/iptables/xtables-legacy-multi: | $(IPTABLES_PATH)/.installed $(USERSPACE_DEPS)
-	cd $(IPTABLES_PATH) && ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --enable-static --disable-shared --disable-nftables --disable-bpf-compiler --disable-nfsynproxy --disable-libipq --disable-connlabel --with-kernel=$(BUILD_PATH)/include
-	$(MAKE) -C $(IPTABLES_PATH)
+$(LIBMNL_PATH)/libmnl: | $(LIBMNL_PATH)/.installed $(USERSPACE_DEPS)
+	cd $(LIBMNL_PATH) && ./configure --prefix=$(TOOLCHAIN_PATH) $(CROSS_COMPILE_FLAG) --enable-static --disable-shared
+	$(MAKE) -C $(LIBMNL_PATH) install
+
+$(LIBNFTNL_PATH)/.installed: $(LIBNFTNL_TAR)
+	mkdir -p $(BUILD_PATH)
+	flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
+	touch $@
+
+$(LIBNFTNL_PATH)/libnftnl: | $(LIBNFTNL_PATH)/.installed $(USERSPACE_DEPS)
+	cd $(LIBNFTNL_PATH) && PKG_CONFIG_PATH="$(TOOLCHAIN_PATH)/lib/pkgconfig" ./configure --prefix=$(TOOLCHAIN_PATH) $(CROSS_COMPILE_FLAG) --enable-static --disable-shared
+	$(MAKE) -C $(LIBNFTNL_PATH) install
+
+$(NFTABLES_PATH)/.installed: $(NFTABLES_TAR)
+	mkdir -p $(BUILD_PATH)
+	flock -s $<.lock tar -C $(BUILD_PATH) -xf $<
+	touch $@
+
+$(NFTABLES_PATH)/src/nft: | $(NFTABLES_PATH)/.installed $(USERSPACE_DEPS)
+	cd $(NFTABLES_PATH) && PKG_CONFIG_PATH="$(TOOLCHAIN_PATH)/lib/pkgconfig" ./configure --prefix=/ $(CROSS_COMPILE_FLAG) --enable-static --disable-shared --disable-debug --disable-man-doc --with-mini-gmp --without-cli
+	$(MAKE) -C $(NFTABLES_PATH) PREFIX=/
 	$(STRIP) -s $@
 
 $(NMAP_PATH)/.installed: $(NMAP_TAR)
diff --git a/tools/testing/selftests/wireguard/qemu/kernel.config b/tools/testing/selftests/wireguard/qemu/kernel.config
index f314d3789f17..9930116ecd81 100644
--- a/tools/testing/selftests/wireguard/qemu/kernel.config
+++ b/tools/testing/selftests/wireguard/qemu/kernel.config
@@ -19,10 +19,9 @@ CONFIG_NETFILTER_XTABLES=y
 CONFIG_NETFILTER_XT_NAT=y
 CONFIG_NETFILTER_XT_MATCH_LENGTH=y
 CONFIG_NETFILTER_XT_MARK=y
-CONFIG_IP_NF_IPTABLES=y
-CONFIG_IP_NF_FILTER=y
-CONFIG_IP_NF_MANGLE=y
-CONFIG_IP_NF_NAT=y
+CONFIG_NF_TABLES=m
+CONFIG_NF_TABLES_INET=y
+CONFIG_NFT_NAT=y
 CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_MULTIPLE_TABLES=y
 CONFIG_IPV6_MULTIPLE_TABLES=y
-- 
2.46.0