From patchwork Tue Jan 3 20:52:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= X-Patchwork-Id: 710657 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3ttR4z16Rsz9t0P for ; Wed, 4 Jan 2017 07:54:11 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966058AbdACUyC (ORCPT ); Tue, 3 Jan 2017 15:54:02 -0500 Received: from rere.qmqm.pl ([84.10.57.10]:34716 "EHLO rere.qmqm.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935917AbdACUwp (ORCPT ); Tue, 3 Jan 2017 15:52:45 -0500 Received: by rere.qmqm.pl (Postfix, from userid 1000) id 6B88D6122; Tue, 3 Jan 2017 21:52:39 +0100 (CET) Message-Id: <9523dd0fbc0856093f31c743781c779355e54918.1483475202.git.mirq-linux@rere.qmqm.pl> In-Reply-To: References: From: =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= Subject: [PATCH net-next v2 21/27] net/bpf_jit: PPC: split VLAN_PRESENT bit handling from VLAN_TCI MIME-Version: 1.0 To: netdev@vger.kernel.org Cc: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , linuxppc-dev@lists.ozlabs.org Date: Tue, 3 Jan 2017 21:52:39 +0100 (CET) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Signed-off-by: Michał Mirosław --- arch/powerpc/net/bpf_jit_comp.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index 7e706f36e364..22ae63fb9b7d 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -377,18 +377,19 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, hash)); break; case BPF_ANC | SKF_AD_VLAN_TAG: - case BPF_ANC | SKF_AD_VLAN_TAG_PRESENT: BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, vlan_tci) != 2); - BUILD_BUG_ON(VLAN_TAG_PRESENT != 0x1000); 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_TAG_PRESENT); - } else { - PPC_ANDI(r_A, r_A, VLAN_TAG_PRESENT); - PPC_SRWI(r_A, r_A, 12); - } +#ifdef VLAN_TAG_PRESENT + PPC_ANDI(r_A, r_A, ~VLAN_TAG_PRESENT); +#endif + break; + case BPF_ANC | SKF_AD_VLAN_TAG_PRESENT: + PPC_LBZ_OFFS(r_A, r_skb, PKT_VLAN_PRESENT_OFFSET()); + if (PKT_VLAN_PRESENT_BIT) + PPC_SRWI(r_A, r_A, PKT_VLAN_PRESENT_BIT); + PPC_ANDI(r_A, r_A, 1); break; case BPF_ANC | SKF_AD_QUEUE: BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff,