From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <20161130090928.14816-1-amir@vadai.me> Cc: netdev@vger.kernel.org, Jamal Hadi Salim , Or Gerlitz , Hadar Har-Zion , Amir Vadai To: "David S. Miller" Return-path: 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) In-Reply-To: <20161130090928.14816-1-amir@vadai.me> Sender: netdev-owner@vger.kernel.org List-ID: 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; -- 2.10.2