From mboxrd@z Thu Jan 1 00:00:00 1970 From: Veaceslav Falico Subject: [PATCH v3 net-next 18/27] net: add a possibility to get private from netdev_adjacent->list Date: Tue, 17 Sep 2013 02:46:43 +0200 Message-ID: <1379378812-18346-19-git-send-email-vfalico@redhat.com> References: <1379378812-18346-1-git-send-email-vfalico@redhat.com> Cc: jiri@resnulli.us, Veaceslav Falico , "David S. Miller" , Eric Dumazet , Alexander Duyck To: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:26390 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752089Ab3IQArT (ORCPT ); Mon, 16 Sep 2013 20:47:19 -0400 In-Reply-To: <1379378812-18346-1-git-send-email-vfalico@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: 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 --- Notes: v2 -> v3: No change. v1 -> v2: No changes. RFC -> v1: No changes. 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 11284c8..24c7d17 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 -- 1.8.4