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6afb1e28 WT |
1 | #!/bin/bash |
2 | # In Namespace 0 (at_ns0) using native tunnel | |
3 | # Overlay IP: 10.1.1.100 | |
4 | # local 192.16.1.100 remote 192.16.1.200 | |
5 | # veth0 IP: 172.16.1.100, tunnel dev <type>00 | |
6 | ||
7 | # Out of Namespace using BPF set/get on lwtunnel | |
8 | # Overlay IP: 10.1.1.200 | |
9 | # local 172.16.1.200 remote 172.16.1.100 | |
10 | # veth1 IP: 172.16.1.200, tunnel dev <type>11 | |
11 | ||
6afb1e28 WT |
12 | function config_device { |
13 | ip netns add at_ns0 | |
14 | ip link add veth0 type veth peer name veth1 | |
15 | ip link set veth0 netns at_ns0 | |
16 | ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0 | |
17 | ip netns exec at_ns0 ip link set dev veth0 up | |
a1c82704 | 18 | ip link set dev veth1 up mtu 1500 |
6afb1e28 WT |
19 | ip addr add dev veth1 172.16.1.200/24 |
20 | } | |
21 | ||
22 | function add_gre_tunnel { | |
23 | # in namespace | |
24 | ip netns exec at_ns0 \ | |
25 | ip link add dev $DEV_NS type $TYPE key 2 local 172.16.1.100 remote 172.16.1.200 | |
26 | ip netns exec at_ns0 ip link set dev $DEV_NS up | |
27 | ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24 | |
28 | ||
29 | # out of namespace | |
30 | ip link add dev $DEV type $TYPE key 2 external | |
31 | ip link set dev $DEV up | |
32 | ip addr add dev $DEV 10.1.1.200/24 | |
33 | } | |
34 | ||
35 | function add_vxlan_tunnel { | |
36 | # Set static ARP entry here because iptables set-mark works | |
37 | # on L3 packet, as a result not applying to ARP packets, | |
38 | # causing errors at get_tunnel_{key/opt}. | |
39 | ||
40 | # in namespace | |
41 | ip netns exec at_ns0 \ | |
42 | ip link add dev $DEV_NS type $TYPE id 2 dstport 4789 gbp remote 172.16.1.200 | |
43 | ip netns exec at_ns0 ip link set dev $DEV_NS address 52:54:00:d9:01:00 up | |
44 | ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24 | |
45 | ip netns exec at_ns0 arp -s 10.1.1.200 52:54:00:d9:02:00 | |
46 | ip netns exec at_ns0 iptables -A OUTPUT -j MARK --set-mark 0x800FF | |
47 | ||
48 | # out of namespace | |
49 | ip link add dev $DEV type $TYPE external gbp dstport 4789 | |
50 | ip link set dev $DEV address 52:54:00:d9:02:00 up | |
51 | ip addr add dev $DEV 10.1.1.200/24 | |
52 | arp -s 10.1.1.100 52:54:00:d9:01:00 | |
53 | } | |
54 | ||
55 | function add_geneve_tunnel { | |
56 | # in namespace | |
57 | ip netns exec at_ns0 \ | |
58 | ip link add dev $DEV_NS type $TYPE id 2 dstport 6081 remote 172.16.1.200 | |
59 | ip netns exec at_ns0 ip link set dev $DEV_NS up | |
60 | ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24 | |
61 | ||
62 | # out of namespace | |
63 | ip link add dev $DEV type $TYPE dstport 6081 external | |
64 | ip link set dev $DEV up | |
65 | ip addr add dev $DEV 10.1.1.200/24 | |
66 | } | |
67 | ||
a1c82704 AS |
68 | function add_ipip_tunnel { |
69 | # in namespace | |
70 | ip netns exec at_ns0 \ | |
71 | ip link add dev $DEV_NS type $TYPE local 172.16.1.100 remote 172.16.1.200 | |
72 | ip netns exec at_ns0 ip link set dev $DEV_NS up | |
73 | ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24 | |
74 | ||
75 | # out of namespace | |
76 | ip link add dev $DEV type $TYPE external | |
77 | ip link set dev $DEV up | |
78 | ip addr add dev $DEV 10.1.1.200/24 | |
79 | } | |
80 | ||
6afb1e28 WT |
81 | function attach_bpf { |
82 | DEV=$1 | |
83 | SET_TUNNEL=$2 | |
84 | GET_TUNNEL=$3 | |
85 | tc qdisc add dev $DEV clsact | |
86 | tc filter add dev $DEV egress bpf da obj tcbpf2_kern.o sec $SET_TUNNEL | |
87 | tc filter add dev $DEV ingress bpf da obj tcbpf2_kern.o sec $GET_TUNNEL | |
88 | } | |
89 | ||
90 | function test_gre { | |
91 | TYPE=gretap | |
92 | DEV_NS=gretap00 | |
93 | DEV=gretap11 | |
94 | config_device | |
95 | add_gre_tunnel | |
96 | attach_bpf $DEV gre_set_tunnel gre_get_tunnel | |
97 | ping -c 1 10.1.1.100 | |
98 | ip netns exec at_ns0 ping -c 1 10.1.1.200 | |
a1c82704 | 99 | cleanup |
6afb1e28 WT |
100 | } |
101 | ||
102 | function test_vxlan { | |
103 | TYPE=vxlan | |
104 | DEV_NS=vxlan00 | |
105 | DEV=vxlan11 | |
106 | config_device | |
107 | add_vxlan_tunnel | |
108 | attach_bpf $DEV vxlan_set_tunnel vxlan_get_tunnel | |
109 | ping -c 1 10.1.1.100 | |
110 | ip netns exec at_ns0 ping -c 1 10.1.1.200 | |
a1c82704 | 111 | cleanup |
6afb1e28 WT |
112 | } |
113 | ||
114 | function test_geneve { | |
115 | TYPE=geneve | |
116 | DEV_NS=geneve00 | |
117 | DEV=geneve11 | |
118 | config_device | |
119 | add_geneve_tunnel | |
120 | attach_bpf $DEV geneve_set_tunnel geneve_get_tunnel | |
121 | ping -c 1 10.1.1.100 | |
122 | ip netns exec at_ns0 ping -c 1 10.1.1.200 | |
a1c82704 AS |
123 | cleanup |
124 | } | |
125 | ||
126 | function test_ipip { | |
127 | TYPE=ipip | |
128 | DEV_NS=ipip00 | |
129 | DEV=ipip11 | |
130 | config_device | |
131 | tcpdump -nei veth1 & | |
132 | cat /sys/kernel/debug/tracing/trace_pipe & | |
133 | add_ipip_tunnel | |
134 | ethtool -K veth1 gso off gro off rx off tx off | |
135 | ip link set dev veth1 mtu 1500 | |
136 | attach_bpf $DEV ipip_set_tunnel ipip_get_tunnel | |
137 | ping -c 1 10.1.1.100 | |
138 | ip netns exec at_ns0 ping -c 1 10.1.1.200 | |
139 | ip netns exec at_ns0 iperf -sD -p 5200 > /dev/null | |
140 | sleep 0.2 | |
141 | iperf -c 10.1.1.100 -n 5k -p 5200 | |
142 | cleanup | |
6afb1e28 WT |
143 | } |
144 | ||
145 | function cleanup { | |
a1c82704 AS |
146 | set +ex |
147 | pkill iperf | |
6afb1e28 WT |
148 | ip netns delete at_ns0 |
149 | ip link del veth1 | |
a1c82704 AS |
150 | ip link del ipip11 |
151 | ip link del gretap11 | |
cc75f851 | 152 | ip link del vxlan11 |
a1c82704 AS |
153 | ip link del geneve11 |
154 | pkill tcpdump | |
155 | pkill cat | |
156 | set -ex | |
6afb1e28 WT |
157 | } |
158 | ||
a1c82704 | 159 | cleanup |
6afb1e28 WT |
160 | echo "Testing GRE tunnel..." |
161 | test_gre | |
6afb1e28 WT |
162 | echo "Testing VXLAN tunnel..." |
163 | test_vxlan | |
6afb1e28 WT |
164 | echo "Testing GENEVE tunnel..." |
165 | test_geneve | |
a1c82704 AS |
166 | echo "Testing IPIP tunnel..." |
167 | test_ipip | |
168 | echo "*** PASS ***" |