1#!/bin/bash
 2# SPDX-License-Identifier: GPL-2.0
 3
 4BPFFS=/sys/fs/bpf
 5LINK_PIN=$BPFFS/test_cgrp2_sock2
 6
 7function config_device {
 8	ip netns add at_ns0
 9	ip link add veth0 type veth peer name veth0b
10	ip link set veth0b up
11	ip link set veth0 netns at_ns0
12	ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
13	ip netns exec at_ns0 ip addr add 2401:db00::1/64 dev veth0 nodad
14	ip netns exec at_ns0 ip link set dev veth0 up
15	ip addr add 172.16.1.101/24 dev veth0b
16	ip addr add 2401:db00::2/64 dev veth0b nodad
17}
18
19function config_cgroup {
20	rm -rf /tmp/cgroupv2
21	mkdir -p /tmp/cgroupv2
22	mount -t cgroup2 none /tmp/cgroupv2
23	mkdir -p /tmp/cgroupv2/foo
24	echo $$ >> /tmp/cgroupv2/foo/cgroup.procs
25}
26
27function config_bpffs {
28	if mount | grep $BPFFS > /dev/null; then
29		echo "bpffs already mounted"
30	else
31		echo "bpffs not mounted. Mounting..."
32		mount -t bpf none $BPFFS
33	fi
34}
35
36function attach_bpf {
37	./test_cgrp2_sock2 /tmp/cgroupv2/foo sock_flags_kern.o $1
38	[ $? -ne 0 ] && exit 1
39}
40
41function cleanup {
42	rm -rf $LINK_PIN
 
 
43	ip link del veth0b
44	ip netns delete at_ns0
45	umount /tmp/cgroupv2
46	rm -rf /tmp/cgroupv2
47}
48
49cleanup 2>/dev/null
50
51set -e
52config_device
53config_cgroup
54config_bpffs
55set +e
56
57#
58# Test 1 - fail ping6
59#
60attach_bpf 0
61ping -c1 -w1 172.16.1.100
62if [ $? -ne 0 ]; then
63	echo "ping failed when it should succeed"
64	cleanup
65	exit 1
66fi
67
68ping6 -c1 -w1 2401:db00::1
69if [ $? -eq 0 ]; then
70	echo "ping6 succeeded when it should not"
71	cleanup
72	exit 1
73fi
74
75rm -rf $LINK_PIN
76sleep 1                 # Wait for link detach
77
78#
79# Test 2 - fail ping
80#
81attach_bpf 1
82ping6 -c1 -w1 2401:db00::1
83if [ $? -ne 0 ]; then
84	echo "ping6 failed when it should succeed"
85	cleanup
86	exit 1
87fi
88
89ping -c1 -w1 172.16.1.100
90if [ $? -eq 0 ]; then
91	echo "ping succeeded when it should not"
92	cleanup
93	exit 1
94fi
95
96cleanup
97echo
98echo "*** PASS ***"

 1#!/bin/bash
 2# SPDX-License-Identifier: GPL-2.0
 3
 
 
 
 4function config_device {
 5	ip netns add at_ns0
 6	ip link add veth0 type veth peer name veth0b
 7	ip link set veth0b up
 8	ip link set veth0 netns at_ns0
 9	ip netns exec at_ns0 ip addr add 172.16.1.100/24 dev veth0
10	ip netns exec at_ns0 ip addr add 2401:db00::1/64 dev veth0 nodad
11	ip netns exec at_ns0 ip link set dev veth0 up
12	ip addr add 172.16.1.101/24 dev veth0b
13	ip addr add 2401:db00::2/64 dev veth0b nodad
14}
15
16function config_cgroup {
17	rm -rf /tmp/cgroupv2
18	mkdir -p /tmp/cgroupv2
19	mount -t cgroup2 none /tmp/cgroupv2
20	mkdir -p /tmp/cgroupv2/foo
21	echo $$ >> /tmp/cgroupv2/foo/cgroup.procs
22}
23
 
 
 
 
 
 
 
 
24
25function attach_bpf {
26	test_cgrp2_sock2 /tmp/cgroupv2/foo sock_flags_kern.o $1
27	[ $? -ne 0 ] && exit 1
28}
29
30function cleanup {
31	if [ -d /tmp/cgroupv2/foo ]; then
32		test_cgrp2_sock -d /tmp/cgroupv2/foo
33	fi
34	ip link del veth0b
35	ip netns delete at_ns0
36	umount /tmp/cgroupv2
37	rm -rf /tmp/cgroupv2
38}
39
40cleanup 2>/dev/null
41
42set -e
43config_device
44config_cgroup
 
45set +e
46
47#
48# Test 1 - fail ping6
49#
50attach_bpf 0
51ping -c1 -w1 172.16.1.100
52if [ $? -ne 0 ]; then
53	echo "ping failed when it should succeed"
54	cleanup
55	exit 1
56fi
57
58ping6 -c1 -w1 2401:db00::1
59if [ $? -eq 0 ]; then
60	echo "ping6 succeeded when it should not"
61	cleanup
62	exit 1
63fi
 
 
 
64
65#
66# Test 2 - fail ping
67#
68attach_bpf 1
69ping6 -c1 -w1 2401:db00::1
70if [ $? -ne 0 ]; then
71	echo "ping6 failed when it should succeed"
72	cleanup
73	exit 1
74fi
75
76ping -c1 -w1 172.16.1.100
77if [ $? -eq 0 ]; then
78	echo "ping succeeded when it should not"
79	cleanup
80	exit 1
81fi
82
83cleanup
84echo
85echo "*** PASS ***"