From patchwork Wed Nov 30 09:09:26 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amir Vadai X-Patchwork-Id: 700908 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 3tTF4N1h7Sz9vF7 for ; Wed, 30 Nov 2016 20:10:12 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757594AbcK3JKF (ORCPT ); Wed, 30 Nov 2016 04:10:05 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:33821 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757262AbcK3JJu (ORCPT ); Wed, 30 Nov 2016 04:09:50 -0500 Received: by mail-wm0-f68.google.com with SMTP id g23so28387161wme.1 for ; Wed, 30 Nov 2016 01:09:49 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=REffg5bp4V/BOD+vii85Mb878F1OlkNWlr8GrXbAT5M=; b=DpcXESWBxhghpswjwApXeCQFpb8Ya24ugoC5msxveE2Wr8y1xoPcr/KHwKZUKEZInI qse4wfK1+OYixm37oW2Q1Emo5GEPmS1THRb7wttOcVNUNJjFOOTFJvVIY9zMN7xST74l ZY2MNZkEH8mA7wRnDO2Stxbcfxg63J0i4bmcZiTSfiK9HP/q8LTg2mWdWIj96erNaajr 3gWAZkXe24rqr37WvRCdjl9O0hZ8rYjkdVEPGMCO1QYoc2BgPxbfgFnXNKLr7yG7unbp 1EU5V55g2jbXb5TqAQU+V9K9cM59p8YlQ2Jrtv1HkCa6+Z7tGyDFcqZEIurNaaI780nS /ozA== X-Gm-Message-State: AKaTC01zwXD9YIotgiy3DRv5+xzYLDcItonCdTLzlF2uDiWVGlDTCQE3OoT/Ise2/nwgcg== X-Received: by 10.28.91.143 with SMTP id p137mr28781751wmb.51.1480496988767; Wed, 30 Nov 2016 01:09:48 -0800 (PST) Received: from office.vadai.me ([192.116.94.222]) by smtp.gmail.com with ESMTPSA id r138sm6937037wme.9.2016.11.30.01.09.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 30 Nov 2016 01:09:48 -0800 (PST) From: Amir Vadai To: "David S. Miller" Cc: netdev@vger.kernel.org, Jamal Hadi Salim , Or Gerlitz , Hadar Har-Zion , Amir Vadai Subject: [PATCH net-next 1/3] net/skbuff: Introduce skb_mac_offset() Date: Wed, 30 Nov 2016 11:09:26 +0200 Message-Id: <20161130090928.14816-2-amir@vadai.me> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161130090928.14816-1-amir@vadai.me> References: <20161130090928.14816-1-amir@vadai.me> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Introduce skb_mac_offset() that could be used to get mac header offset. Signed-off-by: Amir Vadai --- include/linux/skbuff.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 9c535fbccf2c..395eb5111df0 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2169,6 +2169,11 @@ static inline unsigned char *skb_mac_header(const struct sk_buff *skb) return skb->head + skb->mac_header; } +static inline int skb_mac_offset(const struct sk_buff *skb) +{ + return skb_mac_header(skb) - skb->data; +} + static inline int skb_mac_header_was_set(const struct sk_buff *skb) { return skb->mac_header != (typeof(skb->mac_header))~0U;