198 lines
5.0 KiB
Bash
Executable File
198 lines
5.0 KiB
Bash
Executable File
#!/bin/bash
|
|
# In Namespace 0 (at_ns0) using native tunnel
|
|
# Overlay IP: 10.1.1.100
|
|
# local 192.16.1.100 remote 192.16.1.200
|
|
# veth0 IP: 172.16.1.100, tunnel dev <type>00
|
|
|
|
# Out of Namespace using BPF set/get on lwtunnel
|
|
# Overlay IP: 10.1.1.200
|
|
# local 172.16.1.200 remote 172.16.1.100
|
|
# veth1 IP: 172.16.1.200, tunnel dev <type>11
|
|
|
|
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 mtu 1500
|
|
ip addr add dev veth1 172.16.1.200/24
|
|
}
|
|
|
|
function add_gre_tunnel {
|
|
# in namespace
|
|
ip netns exec at_ns0 \
|
|
ip link add dev $DEV_NS type $TYPE key 2 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 key 2 external
|
|
ip link set dev $DEV up
|
|
ip addr add dev $DEV 10.1.1.200/24
|
|
}
|
|
|
|
function add_erspan_tunnel {
|
|
# in namespace
|
|
ip netns exec at_ns0 \
|
|
ip link add dev $DEV_NS type $TYPE seq key 2 local 172.16.1.100 remote 172.16.1.200 erspan 123
|
|
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 add_vxlan_tunnel {
|
|
# Set static ARP entry here because iptables set-mark works
|
|
# on L3 packet, as a result not applying to ARP packets,
|
|
# causing errors at get_tunnel_{key/opt}.
|
|
|
|
# in namespace
|
|
ip netns exec at_ns0 \
|
|
ip link add dev $DEV_NS type $TYPE id 2 dstport 4789 gbp remote 172.16.1.200
|
|
ip netns exec at_ns0 ip link set dev $DEV_NS address 52:54:00:d9:01:00 up
|
|
ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24
|
|
ip netns exec at_ns0 arp -s 10.1.1.200 52:54:00:d9:02:00
|
|
ip netns exec at_ns0 iptables -A OUTPUT -j MARK --set-mark 0x800FF
|
|
|
|
# out of namespace
|
|
ip link add dev $DEV type $TYPE external gbp dstport 4789
|
|
ip link set dev $DEV address 52:54:00:d9:02:00 up
|
|
ip addr add dev $DEV 10.1.1.200/24
|
|
arp -s 10.1.1.100 52:54:00:d9:01:00
|
|
}
|
|
|
|
function add_geneve_tunnel {
|
|
# in namespace
|
|
ip netns exec at_ns0 \
|
|
ip link add dev $DEV_NS type $TYPE id 2 dstport 6081 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 dstport 6081 external
|
|
ip link set dev $DEV up
|
|
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
|
|
GET_TUNNEL=$3
|
|
tc qdisc add dev $DEV clsact
|
|
tc filter add dev $DEV egress bpf da obj tcbpf2_kern.o sec $SET_TUNNEL
|
|
tc filter add dev $DEV ingress bpf da obj tcbpf2_kern.o sec $GET_TUNNEL
|
|
}
|
|
|
|
function test_gre {
|
|
TYPE=gretap
|
|
DEV_NS=gretap00
|
|
DEV=gretap11
|
|
config_device
|
|
add_gre_tunnel
|
|
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_erspan {
|
|
TYPE=erspan
|
|
DEV_NS=erspan00
|
|
DEV=erspan11
|
|
config_device
|
|
add_erspan_tunnel
|
|
attach_bpf $DEV erspan_set_tunnel erspan_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 {
|
|
TYPE=vxlan
|
|
DEV_NS=vxlan00
|
|
DEV=vxlan11
|
|
config_device
|
|
add_vxlan_tunnel
|
|
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 {
|
|
TYPE=geneve
|
|
DEV_NS=geneve00
|
|
DEV=geneve11
|
|
config_device
|
|
add_geneve_tunnel
|
|
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 ipip11
|
|
ip link del gretap11
|
|
ip link del vxlan11
|
|
ip link del geneve11
|
|
ip link del erspan11
|
|
pkill tcpdump
|
|
pkill cat
|
|
set -ex
|
|
}
|
|
|
|
trap cleanup 0 2 3 6 9
|
|
cleanup
|
|
echo "Testing GRE tunnel..."
|
|
test_gre
|
|
echo "Testing ERSPAN tunnel..."
|
|
test_erspan
|
|
echo "Testing VXLAN tunnel..."
|
|
test_vxlan
|
|
echo "Testing GENEVE tunnel..."
|
|
test_geneve
|
|
echo "Testing IPIP tunnel..."
|
|
test_ipip
|
|
echo "*** PASS ***"
|