#!/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 &> /dev/null ip -n ns2 link set veth22 $xdpmode obj xdp_dummy.o sec xdp &> /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