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