bpf: add initial suite for selftests

[linux-2.6-microblaze.git] / tools / testing / selftests / bpf / test_kmod.sh

diff --git a/tools/testing/selftests/bpf/test_kmod.sh b/tools/testing/selftests/bpf/test_kmod.sh
new file mode 100755 (executable)
index 0000000..92e627a
--- /dev/null
+++ b/tools/testing/selftests/bpf/test_kmod.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+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