samples/bpf/test_cgrp2_sock2.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 function 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
  16 function 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
  25 function attach_bpf {
  26         test_cgrp2_sock2 /tmp/cgroupv2/foo sock_flags_kern.o $1
  27         [ $? -ne 0 ] && exit 1
  28 }
  29
  30 function cleanup {
  31         ip link del veth0b
  32         ip netns delete at_ns0
  33         umount /tmp/cgroupv2
  34         rm -rf /tmp/cgroupv2
  35 }
  36
  37 cleanup 2>/dev/null
  38
  39 set -e
  40 config_device
  41 config_cgroup
  42 set +e
  43
  44 #
  45 # Test 1 - fail ping6
  46 #
  47 attach_bpf 0
  48 ping -c1 -w1 172.16.1.100
  49 if [ $? -ne 0 ]; then
  50         echo "ping failed when it should succeed"
  51         cleanup
  52         exit 1
  53 fi
  54
  55 ping6 -c1 -w1 2401:db00::1
  56 if [ $? -eq 0 ]; then
  57         echo "ping6 succeeded when it should not"
  58         cleanup
  59         exit 1
  60 fi
  61
  62 #
  63 # Test 2 - fail ping
  64 #
  65 attach_bpf 1
  66 ping6 -c1 -w1 2401:db00::1
  67 if [ $? -ne 0 ]; then
  68         echo "ping6 failed when it should succeed"
  69         cleanup
  70         exit 1
  71 fi
  72
  73 ping -c1 -w1 172.16.1.100
  74 if [ $? -eq 0 ]; then
  75         echo "ping succeeded when it should not"
  76         cleanup
  77         exit 1
  78 fi
  79
  80 cleanup
  81 echo
  82 echo "*** PASS ***"