linux/tools/testing/selftests/bpf/test_kmod.sh
Rolf Eike Beer d979e13a3f selftests: do not require bash to run bpf tests
Nothing in this minimal script seems to require bash. We often run these
tests on embedded devices where the only shell available is the busybox
ash. Use sh instead.

Signed-off-by: Rolf Eike Beer <eb@emlix.com>
Cc: stable@vger.kernel.org
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-01-05 13:19:47 -07:00

40 lines
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Executable File

#!/bin/sh
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
insmod $SRC_TREE/lib/test_bpf.ko 2> /dev/null
if [ $? -ne 0 ]; then
rc=1
fi
rmmod test_bpf 2> /dev/null
dmesg | grep FAIL
}
test_save()
{
JE=`sysctl -n net.core.bpf_jit_enable`
JH=`sysctl -n net.core.bpf_jit_harden`
}
test_restore()
{
sysctl -w net.core.bpf_jit_enable=$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