From patchwork Mon Sep 9 20:16:36 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Veaceslav Falico X-Patchwork-Id: 273694 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 2D5CA2C00DB for ; Tue, 10 Sep 2013 06:17:42 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755557Ab3IIURE (ORCPT ); Mon, 9 Sep 2013 16:17:04 -0400 Received: from mx1.redhat.com ([209.132.183.28]:14036 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754417Ab3IIURB (ORCPT ); Mon, 9 Sep 2013 16:17:01 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r89KGwl4024407 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 9 Sep 2013 16:16:58 -0400 Received: from darkmag.usersys.redhat.com (dhcp-27-102.brq.redhat.com [10.34.27.102]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id r89KGMDU016628; Mon, 9 Sep 2013 16:16:56 -0400 From: Veaceslav Falico To: netdev@vger.kernel.org Cc: jiri@resnulli.us, Veaceslav Falico , "David S. Miller" , Eric Dumazet , Alexander Duyck Subject: [PATCH net-next 18/26] net: add a possibility to get private from netdev_adjacent->list Date: Mon, 9 Sep 2013 22:16:36 +0200 Message-Id: <1378757804-3159-19-git-send-email-vfalico@redhat.com> In-Reply-To: <1378757804-3159-1-git-send-email-vfalico@redhat.com> References: <1378757804-3159-1-git-send-email-vfalico@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org It will be useful to get first/last element. CC: "David S. Miller" CC: Eric Dumazet CC: Jiri Pirko CC: Alexander Duyck Signed-off-by: Veaceslav Falico --- include/linux/netdevice.h | 1 + net/core/dev.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 48431f0..72d1631 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2850,6 +2850,7 @@ extern void *netdev_lower_get_next_private_rcu(struct net_device *dev, priv; \ priv = netdev_lower_get_next_private_rcu(dev, &(iter))) +extern void *netdev_adjacent_get_private(struct list_head *adj_list); extern struct net_device *netdev_master_upper_dev_get(struct net_device *dev); extern struct net_device *netdev_master_upper_dev_get_rcu(struct net_device *dev); extern int netdev_upper_dev_link(struct net_device *dev, diff --git a/net/core/dev.c b/net/core/dev.c index ebf8182..adcc163 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4512,6 +4512,16 @@ struct net_device *netdev_master_upper_dev_get(struct net_device *dev) } EXPORT_SYMBOL(netdev_master_upper_dev_get); +void *netdev_adjacent_get_private(struct list_head *adj_list) +{ + struct netdev_adjacent *adj; + + adj = list_entry(adj_list, struct netdev_adjacent, list); + + return adj->private; +} +EXPORT_SYMBOL(netdev_adjacent_get_private); + /* netdev_all_upper_get_next_dev_rcu - Get the next dev from upper list * @dev: device * @iter: list_head ** of the current position