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