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- #!/bin/bash
- # SPDX-License-Identifier: GPL-2.0
- function config_device {
- ip netns add at_ns0
- ip link add veth0 type veth peer name veth0b
- ip link set veth0b up
- ip link set veth0 netns at_ns0
- ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
- ip netns exec at_ns0 ip addr add 2401:db00::1/64 dev veth0 nodad
- ip netns exec at_ns0 ip link set dev veth0 up
- ip addr add 172.16.1.101/24 dev veth0b
- ip addr add 2401:db00::2/64 dev veth0b nodad
- }
- function config_cgroup {
- rm -rf /tmp/cgroupv2
- mkdir -p /tmp/cgroupv2
- mount -t cgroup2 none /tmp/cgroupv2
- mkdir -p /tmp/cgroupv2/foo
- echo $$ >> /tmp/cgroupv2/foo/cgroup.procs
- }
- function attach_bpf {
- test_cgrp2_sock2 /tmp/cgroupv2/foo sock_flags_kern.o $1
- [ $? -ne 0 ] && exit 1
- }
- function cleanup {
- if [ -d /tmp/cgroupv2/foo ]; then
- test_cgrp2_sock -d /tmp/cgroupv2/foo
- fi
- ip link del veth0b
- ip netns delete at_ns0
- umount /tmp/cgroupv2
- rm -rf /tmp/cgroupv2
- }
- cleanup 2>/dev/null
- set -e
- config_device
- config_cgroup
- set +e
- #
- # Test 1 - fail ping6
- #
- attach_bpf 0
- ping -c1 -w1 172.16.1.100
- if [ $? -ne 0 ]; then
- echo "ping failed when it should succeed"
- cleanup
- exit 1
- fi
- ping6 -c1 -w1 2401:db00::1
- if [ $? -eq 0 ]; then
- echo "ping6 succeeded when it should not"
- cleanup
- exit 1
- fi
- #
- # Test 2 - fail ping
- #
- attach_bpf 1
- ping6 -c1 -w1 2401:db00::1
- if [ $? -ne 0 ]; then
- echo "ping6 failed when it should succeed"
- cleanup
- exit 1
- fi
- ping -c1 -w1 172.16.1.100
- if [ $? -eq 0 ]; then
- echo "ping succeeded when it should not"
- cleanup
- exit 1
- fi
- cleanup
- echo
- echo "*** PASS ***"
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