linux_dsm_epyc7002/tools/testing/selftests/bpf/test_kmod.sh
Jeffrin Jose T 81e167c2a2 selftests: bpf: notification about privilege required to run test_kmod.sh testing script
The test_kmod.sh script require root privilege for the successful
execution of the test.

This patch is to notify the user about the privilege the script
demands for the successful execution of the test.

Signed-off-by: Jeffrin Jose T (Rajagiri SET) <ahiliation@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-06-22 00:30:02 +02:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
msg="skip all tests:"
if [ "$(id -u)" != "0" ]; then
echo $msg please run this as root >&2
exit $ksft_skip
fi
SRC_TREE=../../../../
test_run()
{
sysctl -w net.core.bpf_jit_enable=$1 2>&1 > /dev/null
sysctl -w net.core.bpf_jit_harden=$2 2>&1 > /dev/null
echo "[ JIT enabled:$1 hardened:$2 ]"
dmesg -C
if [ -f ${SRC_TREE}/lib/test_bpf.ko ]; then
insmod ${SRC_TREE}/lib/test_bpf.ko 2> /dev/null
if [ $? -ne 0 ]; then
rc=1
fi
else
# Use modprobe dry run to check for missing test_bpf module
if ! /sbin/modprobe -q -n test_bpf; then
echo "test_bpf: [SKIP]"
elif /sbin/modprobe -q test_bpf; then
echo "test_bpf: ok"
else
echo "test_bpf: [FAIL]"
rc=1
fi
fi
rmmod test_bpf 2> /dev/null
dmesg | grep FAIL
}
test_save()
{
JE=`sysctl -n net.core.bpf_jit_enable`
JH=`sysctl -n net.core.bpf_jit_harden`
}
test_restore()
{
sysctl -w net.core.bpf_jit_enable=$JE 2>&1 > /dev/null
sysctl -w net.core.bpf_jit_harden=$JH 2>&1 > /dev/null
}
rc=0
test_save
test_run 0 0
test_run 1 0
test_run 1 1
test_run 1 2
test_restore
exit $rc