1 #!/bin/sh 1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0 2 # SPDX-License-Identifier: GPL-2.0
3 3
4 # Usage: <<
5 # ./test_kmod.sh [module_param]... <<
6 # Ex.: ./test_kmod.sh test_range=1,3 <<
7 # All the parameters are passed to the kernel <<
8 <<
9 # Kselftest framework requirement - SKIP code 4 # Kselftest framework requirement - SKIP code is 4.
10 ksft_skip=4 5 ksft_skip=4
11 6
12 msg="skip all tests:" 7 msg="skip all tests:"
13 if [ "$(id -u)" != "0" ]; then 8 if [ "$(id -u)" != "0" ]; then
14 echo $msg please run this as root >&2 9 echo $msg please run this as root >&2
15 exit $ksft_skip 10 exit $ksft_skip
16 fi 11 fi
17 12
18 if [ "$building_out_of_srctree" ]; then 13 if [ "$building_out_of_srctree" ]; then
19 # We are in linux-build/kselftest/bpf 14 # We are in linux-build/kselftest/bpf
20 OUTPUT=../../ 15 OUTPUT=../../
21 else 16 else
22 # We are in linux/tools/testing/selfte 17 # We are in linux/tools/testing/selftests/bpf
23 OUTPUT=../../../../ 18 OUTPUT=../../../../
24 fi 19 fi
25 20
26 test_run() 21 test_run()
27 { 22 {
28 sysctl -w net.core.bpf_jit_enable=$1 2 23 sysctl -w net.core.bpf_jit_enable=$1 2>&1 > /dev/null
29 sysctl -w net.core.bpf_jit_harden=$2 2 24 sysctl -w net.core.bpf_jit_harden=$2 2>&1 > /dev/null
30 25
31 echo "[ JIT enabled:$1 hardened:$2 ]" 26 echo "[ JIT enabled:$1 hardened:$2 ]"
32 shift 2 <<
33 dmesg -C 27 dmesg -C
34 if [ -f ${OUTPUT}/lib/test_bpf.ko ]; t 28 if [ -f ${OUTPUT}/lib/test_bpf.ko ]; then
35 insmod ${OUTPUT}/lib/test_bpf. !! 29 insmod ${OUTPUT}/lib/test_bpf.ko 2> /dev/null
36 if [ $? -ne 0 ]; then 30 if [ $? -ne 0 ]; then
37 rc=1 31 rc=1
38 fi 32 fi
39 else 33 else
40 # Use modprobe dry run to chec 34 # Use modprobe dry run to check for missing test_bpf module
41 if ! /sbin/modprobe -q -n test !! 35 if ! /sbin/modprobe -q -n test_bpf; then
42 echo "test_bpf: [SKIP] 36 echo "test_bpf: [SKIP]"
43 elif /sbin/modprobe -q test_bp !! 37 elif /sbin/modprobe -q test_bpf; then
44 echo "test_bpf: ok" 38 echo "test_bpf: ok"
45 else 39 else
46 echo "test_bpf: [FAIL] 40 echo "test_bpf: [FAIL]"
47 rc=1 41 rc=1
48 fi 42 fi
49 fi 43 fi
50 rmmod test_bpf 2> /dev/null 44 rmmod test_bpf 2> /dev/null
51 dmesg | grep FAIL 45 dmesg | grep FAIL
52 } 46 }
53 47
54 test_save() 48 test_save()
55 { 49 {
56 JE=`sysctl -n net.core.bpf_jit_enable` 50 JE=`sysctl -n net.core.bpf_jit_enable`
57 JH=`sysctl -n net.core.bpf_jit_harden` 51 JH=`sysctl -n net.core.bpf_jit_harden`
58 } 52 }
59 53
60 test_restore() 54 test_restore()
61 { 55 {
62 sysctl -w net.core.bpf_jit_enable=$JE 56 sysctl -w net.core.bpf_jit_enable=$JE 2>&1 > /dev/null
63 sysctl -w net.core.bpf_jit_harden=$JH 57 sysctl -w net.core.bpf_jit_harden=$JH 2>&1 > /dev/null
64 } 58 }
65 59
66 rc=0 60 rc=0
67 test_save 61 test_save
68 test_run 0 0 "$@" !! 62 test_run 0 0
69 test_run 1 0 "$@" !! 63 test_run 1 0
70 test_run 1 1 "$@" !! 64 test_run 1 1
71 test_run 1 2 "$@" !! 65 test_run 1 2
72 test_restore 66 test_restore
73 exit $rc 67 exit $rc
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