#!/bin/bash
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# Create 2 namespaces with two veth peers, and
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# forward packets in-between using generic XDP
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#
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# NS1(veth11) NS2(veth22)
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# | |
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# | |
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# (veth1, ------ (veth2,
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# id:111) id:222)
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# | xdp forwarding |
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# ------------------
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ret=0
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setup()
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{
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local xdpmode=$1
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ip netns add ns1
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ip netns add ns2
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ip link add veth1 index 111 type veth peer name veth11 netns ns1
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ip link add veth2 index 222 type veth peer name veth22 netns ns2
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ip link set veth1 up
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ip link set veth2 up
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ip -n ns1 link set dev veth11 up
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ip -n ns2 link set dev veth22 up
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ip -n ns1 addr add 10.1.1.11/24 dev veth11
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ip -n ns2 addr add 10.1.1.22/24 dev veth22
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}
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cleanup()
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{
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ip link del veth1 2> /dev/null
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ip link del veth2 2> /dev/null
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ip netns del ns1 2> /dev/null
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ip netns del ns2 2> /dev/null
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}
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test_xdp_redirect()
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{
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local xdpmode=$1
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setup
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ip link set dev veth1 $xdpmode off &> /dev/null
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if [ $? -ne 0 ];then
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echo "selftests: test_xdp_redirect $xdpmode [SKIP]"
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return 0
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fi
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ip -n ns1 link set veth11 $xdpmode obj xdp_dummy.o sec xdp_dummy &> /dev/null
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ip -n ns2 link set veth22 $xdpmode obj xdp_dummy.o sec xdp_dummy &> /dev/null
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ip link set dev veth1 $xdpmode obj test_xdp_redirect.o sec redirect_to_222 &> /dev/null
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ip link set dev veth2 $xdpmode obj test_xdp_redirect.o sec redirect_to_111 &> /dev/null
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if ip netns exec ns1 ping -c 1 10.1.1.22 &> /dev/null &&
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ip netns exec ns2 ping -c 1 10.1.1.11 &> /dev/null; then
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echo "selftests: test_xdp_redirect $xdpmode [PASS]";
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else
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ret=1
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echo "selftests: test_xdp_redirect $xdpmode [FAILED]";
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fi
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cleanup
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}
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set -e
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trap cleanup 2 3 6 9
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test_xdp_redirect xdpgeneric
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test_xdp_redirect xdpdrv
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exit $ret
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