From: Denis Kirjanov <kda@linux-powerpc.org>
To: netdev@vger.kernel.org
Cc: Denis Kirjanov <kda@linux-powerpc.org>, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 1/2] powerpc: bpf: Use correct mask while accessing the VLAN tag
Date: Tue, 24 Jun 2014 13:59:28 +0400 [thread overview]
Message-ID: <1403603969-24436-1-git-send-email-kda@linux-powerpc.org> (raw)
Use the proper mask which is 0xefff
---
arch/powerpc/net/bpf_jit_comp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index 6dcdade..af0ed4d 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -393,7 +393,7 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image,
PPC_LHZ_OFFS(r_A, r_skb, offsetof(struct sk_buff,
vlan_tci));
if (code == (BPF_ANC | SKF_AD_VLAN_TAG))
- PPC_ANDI(r_A, r_A, VLAN_VID_MASK);
+ PPC_ANDI(r_A, r_A, ~VLAN_TAG_PRESENT);
else
PPC_ANDI(r_A, r_A, VLAN_TAG_PRESENT);
break;
--
2.0.0
next reply other threads:[~2014-06-24 10:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-24 9:59 Denis Kirjanov [this message]
2014-06-24 9:59 ` [PATCH 2/2] powerpc: bpf: Fix the broken LD_VLAN_TAG_PRESENT test Denis Kirjanov
2014-06-24 14:23 ` Sergei Shtylyov
2014-06-24 14:52 ` Denis Kirjanov
2014-06-24 15:29 ` [PATCH 1/2] powerpc: bpf: Use correct mask while accessing the VLAN tag Alexei Starovoitov
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