samples/bpf: extend test_tunnel_bpf.sh with IPIP test
extend existing tests for vxlan, geneve, gre to include IPIP tunnel.
It tests both traditional tunnel configuration and
dynamic via bpf helpers.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/samples/bpf/test_tunnel_bpf.sh b/samples/bpf/test_tunnel_bpf.sh
index 4956589..1ff634f 100755
--- a/samples/bpf/test_tunnel_bpf.sh
+++ b/samples/bpf/test_tunnel_bpf.sh
@@ -9,15 +9,13 @@
# local 172.16.1.200 remote 172.16.1.100
# veth1 IP: 172.16.1.200, tunnel dev <type>11
-set -e
-
function config_device {
ip netns add at_ns0
ip link add veth0 type veth peer name veth1
ip link set veth0 netns at_ns0
ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
ip netns exec at_ns0 ip link set dev veth0 up
- ip link set dev veth1 up
+ ip link set dev veth1 up mtu 1500
ip addr add dev veth1 172.16.1.200/24
}
@@ -67,6 +65,19 @@
ip addr add dev $DEV 10.1.1.200/24
}
+function add_ipip_tunnel {
+ # in namespace
+ ip netns exec at_ns0 \
+ ip link add dev $DEV_NS type $TYPE local 172.16.1.100 remote 172.16.1.200
+ ip netns exec at_ns0 ip link set dev $DEV_NS up
+ ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
+
+ # out of namespace
+ ip link add dev $DEV type $TYPE external
+ ip link set dev $DEV up
+ ip addr add dev $DEV 10.1.1.200/24
+}
+
function attach_bpf {
DEV=$1
SET_TUNNEL=$2
@@ -85,6 +96,7 @@
attach_bpf $DEV gre_set_tunnel gre_get_tunnel
ping -c 1 10.1.1.100
ip netns exec at_ns0 ping -c 1 10.1.1.200
+ cleanup
}
function test_vxlan {
@@ -96,6 +108,7 @@
attach_bpf $DEV vxlan_set_tunnel vxlan_get_tunnel
ping -c 1 10.1.1.100
ip netns exec at_ns0 ping -c 1 10.1.1.200
+ cleanup
}
function test_geneve {
@@ -107,21 +120,48 @@
attach_bpf $DEV geneve_set_tunnel geneve_get_tunnel
ping -c 1 10.1.1.100
ip netns exec at_ns0 ping -c 1 10.1.1.200
+ cleanup
+}
+
+function test_ipip {
+ TYPE=ipip
+ DEV_NS=ipip00
+ DEV=ipip11
+ config_device
+ tcpdump -nei veth1 &
+ cat /sys/kernel/debug/tracing/trace_pipe &
+ add_ipip_tunnel
+ ethtool -K veth1 gso off gro off rx off tx off
+ ip link set dev veth1 mtu 1500
+ attach_bpf $DEV ipip_set_tunnel ipip_get_tunnel
+ ping -c 1 10.1.1.100
+ ip netns exec at_ns0 ping -c 1 10.1.1.200
+ ip netns exec at_ns0 iperf -sD -p 5200 > /dev/null
+ sleep 0.2
+ iperf -c 10.1.1.100 -n 5k -p 5200
+ cleanup
}
function cleanup {
+ set +ex
+ pkill iperf
ip netns delete at_ns0
ip link del veth1
- ip link del $DEV
+ ip link del ipip11
+ ip link del gretap11
+ ip link del geneve11
+ pkill tcpdump
+ pkill cat
+ set -ex
}
+cleanup
echo "Testing GRE tunnel..."
test_gre
-cleanup
echo "Testing VXLAN tunnel..."
test_vxlan
-cleanup
echo "Testing GENEVE tunnel..."
test_geneve
-cleanup
-echo "Success"
+echo "Testing IPIP tunnel..."
+test_ipip
+echo "*** PASS ***"