MIPS: bpf: Use correct mask for VLAN_TAG case

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Using VLAN_VID_MASK is not correct to get the vlan tag. Use
~VLAN_PRESENT_MASK instead and make sure it's u16 so the top 16-bits
will be removed. This will ensure that the emit_andi() code will not
treat this as a big 32-bit unsigned value.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Daniel Borkmann <dborkman@redhat.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: netdev@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7127/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

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Markos Chandras 2014-06-23 10:38:52 +01:00 • committed by Ralf Baechle

parent 1ab24a4e3d

commit 6e86c59d4d

1 changed files with 1 additions and 1 deletions

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arch/mips/net/bpf_jit.c

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