| #!/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 | |
| # ------------------ |
| |
| readonly NS1="ns1-$(mktemp -u XXXXXX)" |
| readonly NS2="ns2-$(mktemp -u XXXXXX)" |
| 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.bpf.o sec xdp &> /dev/null |
| ip -n ${NS2} link set veth22 $xdpmode obj xdp_dummy.bpf.o sec xdp &> /dev/null |
| ip link set dev veth1 $xdpmode obj test_xdp_redirect.bpf.o sec redirect_to_222 &> /dev/null |
| ip link set dev veth2 $xdpmode obj test_xdp_redirect.bpf.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 |