summaryrefslogblamecommitdiff
path: root/tools/testing/selftests/bpf/test_kmod.sh
blob: 35669ccd4d23b26c7505e8829bcf3876e3bcb3e1 (plain) (tree) 
d979e13a3fa9 ^

b24413180f56 ^

5aa5bd14c5f8 ^










035d808f7cfd ^















5aa5bd14c5f8 ^

























1

2

3
4
5
6
7
8
9
10
11
12

13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52

         
                                  









                                                             














                                                                           
























                                                              
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0

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