diff options
| -rwxr-xr-x | samples/bpf/test_cgrp2_sock.sh | 162 |
1 files changed, 124 insertions, 38 deletions
diff --git a/samples/bpf/test_cgrp2_sock.sh b/samples/bpf/test_cgrp2_sock.sh index 1153c33e8964..a81f38eef417 100755 --- a/samples/bpf/test_cgrp2_sock.sh +++ b/samples/bpf/test_cgrp2_sock.sh @@ -1,47 +1,133 @@ -#!/bin/bash - -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 link add foo type vrf table 1234 - ip link set foo up - ip addr add 172.16.1.101/24 dev veth0b - ip addr add 2401:db00::2/64 dev veth0b nodad - ip link set veth0b master foo +#!/bin/sh + +# Test various socket options that can be set by attaching programs to cgroups. + +CGRP_MNT="/tmp/cgroupv2-test_cgrp2_sock" + +################################################################################ +# +print_result() +{ + local rc=$1 + local status=" OK " + + [ $rc -ne 0 ] && status="FAIL" + + printf "%-50s [%4s]\n" "$2" "$status" } -function attach_bpf { - rm -rf /tmp/cgroupv2 - mkdir -p /tmp/cgroupv2 - mount -t cgroup2 none /tmp/cgroupv2 - mkdir -p /tmp/cgroupv2/foo - test_cgrp2_sock -b foo /tmp/cgroupv2/foo - echo $$ >> /tmp/cgroupv2/foo/cgroup.procs +check_sock() +{ + out=$(test_cgrp2_sock) + echo $out | grep -q "$1" + if [ $? -ne 0 ]; then + print_result 1 "IPv4: $2" + echo " expected: $1" + echo " have: $out" + rc=1 + else + print_result 0 "IPv4: $2" + fi } -function cleanup { - set +ex - ip netns delete at_ns0 - ip link del veth0 - ip link del foo - umount /tmp/cgroupv2 - rm -rf /tmp/cgroupv2 - set -ex +check_sock6() +{ + out=$(test_cgrp2_sock -6) + echo $out | grep -q "$1" + if [ $? -ne 0 ]; then + print_result 1 "IPv6: $2" + echo " expected: $1" + echo " have: $out" + rc=1 + else + print_result 0 "IPv6: $2" + fi } -function do_test { - ping -c1 -w1 172.16.1.100 - ping6 -c1 -w1 2401:db00::1 +################################################################################ +# + +cleanup() +{ + echo $$ >> ${CGRP_MNT}/cgroup.procs + rmdir ${CGRP_MNT}/sockopts } +cleanup_and_exit() +{ + local rc=$1 + local msg="$2" + + [ -n "$msg" ] && echo "ERROR: $msg" + + ip li del cgrp2_sock + umount ${CGRP_MNT} + + exit $rc +} + + +################################################################################ +# main + +rc=0 + +ip li add cgrp2_sock type dummy 2>/dev/null + +set -e +mkdir -p ${CGRP_MNT} +mount -t cgroup2 none ${CGRP_MNT} +set +e + + +# make sure we have a known start point cleanup 2>/dev/null -config_device -attach_bpf -do_test -cleanup -echo "*** PASS ***" + +mkdir -p ${CGRP_MNT}/sockopts +[ $? -ne 0 ] && cleanup_and_exit 1 "Failed to create cgroup hierarchy" + + +# set pid into cgroup +echo $$ > ${CGRP_MNT}/sockopts/cgroup.procs + +# no bpf program attached, so socket should show no settings +check_sock "dev , mark 0, priority 0" "No programs attached" +check_sock6 "dev , mark 0, priority 0" "No programs attached" + +# verify device is set +# +test_cgrp2_sock -b cgrp2_sock ${CGRP_MNT}/sockopts +if [ $? -ne 0 ]; then + cleanup_and_exit 1 "Failed to install program to set device" +fi +check_sock "dev cgrp2_sock, mark 0, priority 0" "Device set" +check_sock6 "dev cgrp2_sock, mark 0, priority 0" "Device set" + +# verify mark is set +# +test_cgrp2_sock -m 666 ${CGRP_MNT}/sockopts +if [ $? -ne 0 ]; then + cleanup_and_exit 1 "Failed to install program to set mark" +fi +check_sock "dev , mark 666, priority 0" "Mark set" +check_sock6 "dev , mark 666, priority 0" "Mark set" + +# verify priority is set +# +test_cgrp2_sock -p 123 ${CGRP_MNT}/sockopts +if [ $? -ne 0 ]; then + cleanup_and_exit 1 "Failed to install program to set priority" +fi +check_sock "dev , mark 0, priority 123" "Priority set" +check_sock6 "dev , mark 0, priority 123" "Priority set" + +# all 3 at once +# +test_cgrp2_sock -b cgrp2_sock -m 666 -p 123 ${CGRP_MNT}/sockopts +if [ $? -ne 0 ]; then + cleanup_and_exit 1 "Failed to install program to set device, mark and priority" +fi +check_sock "dev cgrp2_sock, mark 666, priority 123" "Priority set" +check_sock6 "dev cgrp2_sock, mark 666, priority 123" "Priority set" + +cleanup_and_exit $rc |