tools/testing/selftests/bpf/test_kmod.sh

   1 #!/bin/bash
   2
   3 SRC_TREE=../../../../
   4
   5 test_run()
   6 {
   7         sysctl -w net.core.bpf_jit_enable=$1 2>&1 > /dev/null
   8         sysctl -w net.core.bpf_jit_harden=$2 2>&1 > /dev/null
   9
  10         echo "[ JIT enabled:$1 hardened:$2 ]"
  11         dmesg -C
  12         insmod $SRC_TREE/lib/test_bpf.ko 2> /dev/null
  13         if [ $? -ne 0 ]; then
  14                 rc=1
  15         fi
  16         rmmod  test_bpf 2> /dev/null
  17         dmesg | grep FAIL
  18 }
  19
  20 test_save()
  21 {
  22         JE=`sysctl -n net.core.bpf_jit_enable`
  23         JH=`sysctl -n net.core.bpf_jit_harden`
  24 }
  25
  26 test_restore()
  27 {
  28         sysctl -w net.core.bpf_jit_enable=$JE 2>&1 > /dev/null
  29         sysctl -w net.core.bpf_jit_harden=$JH 2>&1 > /dev/null
  30 }
  31
  32 rc=0
  33 test_save
  34 test_run 0 0
  35 test_run 1 0
  36 test_run 1 1
  37 test_run 1 2
  38 test_restore
  39 exit $rc