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-rwxr-xr-xsrc/tests/netns.sh13
-rw-r--r--src/tests/qemu/kernel.config3
2 files changed, 16 insertions, 0 deletions
diff --git a/src/tests/netns.sh b/src/tests/netns.sh
index 57d0b28..d1950a0 100755
--- a/src/tests/netns.sh
+++ b/src/tests/netns.sh
@@ -169,6 +169,19 @@ ip1 link set wg0 mtu $big_mtu
ip2 link set wg0 mtu $big_mtu
tests
+# Test that route MTUs work with the padding
+ip1 link set wg0 mtu 1300
+ip2 link set wg0 mtu 1300
+n1 wg set wg0 peer "$pub2" endpoint 127.0.0.1:2
+n2 wg set wg0 peer "$pub1" endpoint 127.0.0.1:1
+n0 iptables -A INPUT -m length --length 1360 -j DROP
+n1 ip route add 192.168.241.2/32 dev wg0 mtu 1299
+n2 ip route add 192.168.241.1/32 dev wg0 mtu 1299
+n2 ping -c 1 -W 1 -s 1269 192.168.241.1
+n2 ip route delete 192.168.241.1/32 dev wg0 mtu 1299
+n1 ip route delete 192.168.241.2/32 dev wg0 mtu 1299
+n0 iptables -F INPUT
+
ip1 link set wg0 mtu $orig_mtu
ip2 link set wg0 mtu $orig_mtu
diff --git a/src/tests/qemu/kernel.config b/src/tests/qemu/kernel.config
index 1f16016..6c3adc0 100644
--- a/src/tests/qemu/kernel.config
+++ b/src/tests/qemu/kernel.config
@@ -11,13 +11,16 @@ CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IPV6=y
CONFIG_NETFILTER=y
+CONFIG_NETFILTER_ADVANCED=y
CONFIG_NF_CONNTRACK=y
CONFIG_NF_NAT=y
CONFIG_NETFILTER_XTABLES=y
CONFIG_NETFILTER_XT_NAT=y
+CONFIG_NETFILTER_XT_MATCH_LENGTH=y
CONFIG_NF_CONNTRACK_IPV4=y
CONFIG_NF_NAT_IPV4=y
CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_FILTER=y
CONFIG_IP_NF_NAT=y
CONFIG_TTY=y
CONFIG_BINFMT_ELF=y