selftests/bpf/test_lwt_seg6local.sh

2 # Connects 6 network namespaces through veths.
4 #   NS1 ---- NS2 ---- NS3 ---- NS4 ---- NS5 ---- NS6
5 # fb00::1           fd00::1  fd00::2  fd00::3  fb00::6
6 #                   fc42::1           fd00::4
10 # 	fd00::1 -> fd00::2 -> fd00::3 -> fd00::4
13 # - fd00::1 : add a TLV, change the flags and apply a End.X action to fc42::1
14 # - fd00::2 : remove the TLV, change the flags, add a tag
15 # - fd00::3 : apply an End.T action to fd00::4, through routing table 117
21 # An UDP datagram is sent from fb00::1 to fb00::6. The test succeeds if this
22 # datagram can be read on NS6 when binding to fb00::6.
24 # Kselftest framework requirement - SKIP code is 4.
27 readonly NS1="ns1-$(mktemp -u XXXXXX)"
28 readonly NS2="ns2-$(mktemp -u XXXXXX)"
29 readonly NS3="ns3-$(mktemp -u XXXXXX)"
30 readonly NS4="ns4-$(mktemp -u XXXXXX)"
31 readonly NS5="ns5-$(mktemp -u XXXXXX)"
32 readonly NS6="ns6-$(mktemp -u XXXXXX)"
57 	rm -f $TMP_FILE
60 set -e
69 trap cleanup 0 2 3 6 9
101 ip netns exec ${NS1} ip -6 addr add fb00::12/16 dev veth1 scope link
102 ip netns exec ${NS1} ip -6 route add fb00::21 dev veth1 scope link
103 ip netns exec ${NS2} ip -6 addr add fb00::21/16 dev veth2 scope link
104 ip netns exec ${NS2} ip -6 addr add fb00::34/16 dev veth3 scope link
105 ip netns exec ${NS2} ip -6 route add fb00::43 dev veth3 scope link
106 ip netns exec ${NS3} ip -6 route add fb00::65 dev veth5 scope link
107 ip netns exec ${NS3} ip -6 addr add fb00::43/16 dev veth4 scope link
108 ip netns exec ${NS3} ip -6 addr add fb00::56/16 dev veth5 scope link
109 ip netns exec ${NS4} ip -6 addr add fb00::65/16 dev veth6 scope link
110 ip netns exec ${NS4} ip -6 addr add fb00::78/16 dev veth7 scope link
111 ip netns exec ${NS4} ip -6 route add fb00::87 dev veth7 scope link
112 ip netns exec ${NS5} ip -6 addr add fb00::87/16 dev veth8 scope link
113 ip netns exec ${NS5} ip -6 addr add fb00::910/16 dev veth9 scope link
114 ip netns exec ${NS5} ip -6 route add fb00::109 dev veth9 scope link
115 ip netns exec ${NS5} ip -6 route add fb00::109 table 117 dev veth9 scope link
116 ip netns exec ${NS6} ip -6 addr add fb00::109/16 dev veth10 scope link
118 ip netns exec ${NS1} ip -6 addr add fb00::1/16 dev lo
119 ip netns exec ${NS1} ip -6 route add fb00::6 dev veth1 via fb00::21
121 ip netns exec ${NS2} ip -6 route add fb00::6 encap bpf in obj ${BPF_FILE} sec encap_srh dev veth2
122 ip netns exec ${NS2} ip -6 route add fd00::1 dev veth3 via fb00::43 scope link
124 ip netns exec ${NS3} ip -6 route add fc42::1 dev veth5 via fb00::65
125 ip netns exec ${NS3} ip -6 route add fd00::1 encap seg6local action End.BPF endpoint obj ${BPF_FILE…
127 ip netns exec ${NS4} ip -6 route add fd00::2 encap seg6local action End.BPF endpoint obj ${BPF_FILE…
128 ip netns exec ${NS4} ip -6 addr add fc42::1 dev lo
129 ip netns exec ${NS4} ip -6 route add fd00::3 dev veth7 via fb00::87
131 ip netns exec ${NS5} ip -6 route add fd00::4 table 117 dev veth9 via fb00::109
132 ip netns exec ${NS5} ip -6 route add fd00::3 encap seg6local action End.BPF endpoint obj ${BPF_FILE…
134 ip netns exec ${NS6} ip -6 addr add fb00::6/16 dev lo
135 ip netns exec ${NS6} ip -6 addr add fd00::4/16 dev lo
137 ip netns exec ${NS1} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
138 ip netns exec ${NS2} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
139 ip netns exec ${NS3} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
140 ip netns exec ${NS4} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
141 ip netns exec ${NS5} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null
143 ip netns exec ${NS6} sysctl net.ipv6.conf.all.seg6_enabled=1 > /dev/null
144 ip netns exec ${NS6} sysctl net.ipv6.conf.lo.seg6_enabled=1 > /dev/null
145 ip netns exec ${NS6} sysctl net.ipv6.conf.veth10.seg6_enabled=1 > /dev/null
147 ip netns exec ${NS6} nc -l -6 -u -d 7330 > $TMP_FILE &
148 ip netns exec ${NS1} bash -c "echo 'foobar' | nc -w0 -6 -u -p 2121 -s fb00::1 fb00::6 7330"
150 kill -TERM $!
153 	exit 1