138 lines
2.9 KiB
Bash
138 lines
2.9 KiB
Bash
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# Test various socket options that can be set by attaching programs to cgroups.
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MY_DIR=$(dirname $0)
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TEST=$MY_DIR/test_cgrp2_sock
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CGRP_MNT="/tmp/cgroupv2-test_cgrp2_sock"
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################################################################################
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#
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print_result()
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{
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local rc=$1
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local status=" OK "
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[ $rc -ne 0 ] && status="FAIL"
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printf "%-50s [%4s]\n" "$2" "$status"
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}
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check_sock()
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{
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out=$($TEST)
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echo $out | grep -q "$1"
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if [ $? -ne 0 ]; then
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print_result 1 "IPv4: $2"
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echo " expected: $1"
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echo " have: $out"
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rc=1
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else
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print_result 0 "IPv4: $2"
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fi
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}
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check_sock6()
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{
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out=$($TEST -6)
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echo $out | grep -q "$1"
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if [ $? -ne 0 ]; then
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print_result 1 "IPv6: $2"
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echo " expected: $1"
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echo " have: $out"
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rc=1
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else
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print_result 0 "IPv6: $2"
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fi
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}
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################################################################################
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#
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cleanup()
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{
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echo $$ >> ${CGRP_MNT}/cgroup.procs
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rmdir ${CGRP_MNT}/sockopts
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}
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cleanup_and_exit()
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{
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local rc=$1
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local msg="$2"
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[ -n "$msg" ] && echo "ERROR: $msg"
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$TEST -d ${CGRP_MNT}/sockopts
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ip li del cgrp2_sock
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umount ${CGRP_MNT}
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exit $rc
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}
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################################################################################
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# main
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rc=0
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ip li add cgrp2_sock type dummy 2>/dev/null
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set -e
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mkdir -p ${CGRP_MNT}
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mount -t cgroup2 none ${CGRP_MNT}
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set +e
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# make sure we have a known start point
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cleanup 2>/dev/null
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mkdir -p ${CGRP_MNT}/sockopts
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[ $? -ne 0 ] && cleanup_and_exit 1 "Failed to create cgroup hierarchy"
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# set pid into cgroup
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echo $$ > ${CGRP_MNT}/sockopts/cgroup.procs
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# no bpf program attached, so socket should show no settings
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check_sock "dev , mark 0, priority 0" "No programs attached"
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check_sock6 "dev , mark 0, priority 0" "No programs attached"
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# verify device is set
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#
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$TEST -b cgrp2_sock ${CGRP_MNT}/sockopts
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if [ $? -ne 0 ]; then
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cleanup_and_exit 1 "Failed to install program to set device"
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fi
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check_sock "dev cgrp2_sock, mark 0, priority 0" "Device set"
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check_sock6 "dev cgrp2_sock, mark 0, priority 0" "Device set"
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# verify mark is set
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#
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$TEST -m 666 ${CGRP_MNT}/sockopts
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if [ $? -ne 0 ]; then
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cleanup_and_exit 1 "Failed to install program to set mark"
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fi
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check_sock "dev , mark 666, priority 0" "Mark set"
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check_sock6 "dev , mark 666, priority 0" "Mark set"
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# verify priority is set
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#
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$TEST -p 123 ${CGRP_MNT}/sockopts
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if [ $? -ne 0 ]; then
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cleanup_and_exit 1 "Failed to install program to set priority"
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fi
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check_sock "dev , mark 0, priority 123" "Priority set"
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check_sock6 "dev , mark 0, priority 123" "Priority set"
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# all 3 at once
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#
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$TEST -b cgrp2_sock -m 666 -p 123 ${CGRP_MNT}/sockopts
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if [ $? -ne 0 ]; then
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cleanup_and_exit 1 "Failed to install program to set device, mark and priority"
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fi
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check_sock "dev cgrp2_sock, mark 666, priority 123" "Priority set"
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check_sock6 "dev cgrp2_sock, mark 666, priority 123" "Priority set"
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cleanup_and_exit $rc
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