tools/testing/selftests/bpf/test_xdp_meta.sh

#!/bin/sh

BPF_FILE="test_xdp_meta.bpf.o"
# Kselftest framework requirement - SKIP code is 4.
readonly KSFT_SKIP=4
readonly NS1="ns1-$(mktemp -u XXXXXX)"
readonly NS2="ns2-$(mktemp -u XXXXXX)"

cleanup()
{
	if [ "$?" = "0" ]; then
		echo "selftests: test_xdp_meta [PASS]";
	else
		echo "selftests: test_xdp_meta [FAILED]";
	fi

	set +e
	ip link del veth1 2> /dev/null
	ip netns del ${NS1} 2> /dev/null
	ip netns del ${NS2} 2> /dev/null
}

ip link set dev lo xdp off 2>/dev/null > /dev/null
if [ $? -ne 0 ];then
	echo "selftests: [SKIP] Could not run test without the ip xdp support"
	exit $KSFT_SKIP
fi
set -e

ip netns add ${NS1}
ip netns add ${NS2}

trap cleanup 0 2 3 6 9

ip link add veth1 type veth peer name veth2

ip link set veth1 netns ${NS1}
ip link set veth2 netns ${NS2}

ip netns exec ${NS1} ip addr add 10.1.1.11/24 dev veth1
ip netns exec ${NS2} ip addr add 10.1.1.22/24 dev veth2

ip netns exec ${NS1} tc qdisc add dev veth1 clsact
ip netns exec ${NS2} tc qdisc add dev veth2 clsact

ip netns exec ${NS1} tc filter add dev veth1 ingress bpf da obj ${BPF_FILE} sec t
ip netns exec ${NS2} tc filter add dev veth2 ingress bpf da obj ${BPF_FILE} sec t

ip netns exec ${NS1} ip link set dev veth1 xdp obj ${BPF_FILE} sec x
ip netns exec ${NS2} ip link set dev veth2 xdp obj ${BPF_FILE} sec x

ip netns exec ${NS1} ip link set dev veth1 up
ip netns exec ${NS2} ip link set dev veth2 up

ip netns exec ${NS1} ping -c 1 10.1.1.22
ip netns exec ${NS2} ping -c 1 10.1.1.11

exit 0