On 06/26/2014 10:30 AM, Michael Ellerman wrote:
On Wed, 2014-06-25 at 21:34 +0400, Denis Kirjanov wrote:
We have to return the boolean here if the tag presents
or not, not just ANDing the TCI with the mask which results to:

[  709.412097] test_bpf: #18 LD_VLAN_TAG_PRESENT
[  709.412245] ret 4096 != 1
[  709.412332] ret 4096 != 1
[  709.412333] FAIL (2 times)

Hi Denis,

Is this the same version of test_bpf that is in Linus' tree?

I don't see any fails with that version, am I missing something?

   [  187.690640] test_bpf: #18 LD_VLAN_TAG_PRESENT 46 50 PASS

Did you try to modprobe test_bpf after enabling JIT, i.e. :

  echo 1 > /proc/sys/net/core/bpf_jit_enable

Last time I tested with ppc64, I saw the interpreter passing
while JIT failed, which the fix above should address.

Cheers,

Daniel
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