From: Veaceslav Falico <vfalico@redhat.com>
To: netdev@vger.kernel.org
Cc: jiri@resnulli.us, Veaceslav Falico <vfalico@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Alexander Duyck <alexander.h.duyck@intel.com>
Subject: [PATCH net-next 21/26] net: add a function to get the next private
Date: Mon, 9 Sep 2013 22:16:39 +0200 [thread overview]
Message-ID: <1378757804-3159-22-git-send-email-vfalico@redhat.com> (raw)
In-Reply-To: <1378757804-3159-1-git-send-email-vfalico@redhat.com>
It searches for the provided private and returns the next one. If private
is not found or next list element is list head - returns NULL.
CC: "David S. Miller" <davem@davemloft.net>
CC: Eric Dumazet <edumazet@google.com>
CC: Jiri Pirko <jiri@resnulli.us>
CC: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
---
include/linux/netdevice.h | 2 ++
net/core/dev.c | 27 +++++++++++++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 72d1631..b487302 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2866,6 +2866,8 @@ extern void *netdev_lower_dev_get_private_rcu(struct net_device *dev,
struct net_device *lower_dev);
extern void *netdev_lower_dev_get_private(struct net_device *dev,
struct net_device *lower_dev);
+extern void *netdev_lower_dev_get_next_private(struct net_device *dev,
+ void *private);
extern int skb_checksum_help(struct sk_buff *skb);
extern struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
netdev_features_t features, bool tx_path);
diff --git a/net/core/dev.c b/net/core/dev.c
index adcc163..8d5473d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5041,6 +5041,33 @@ void *netdev_lower_dev_get_private(struct net_device *dev,
}
EXPORT_SYMBOL(netdev_lower_dev_get_private);
+/* netdev_lower_dev_get_next_private - return the ->private of the list
+ * element whos ->private == private.
+ * @dev - device to search
+ * @private - private pointer to search for.
+ *
+ * Returns the next ->private pointer, if ->next is not head and private is
+ * found.
+ */
+extern void *netdev_lower_dev_get_next_private(struct net_device *dev,
+ void *private)
+{
+ struct netdev_adjacent *lower;
+
+ list_for_each_entry(lower, &dev->adj_list.lower, list) {
+ if (lower->private == private) {
+ lower = list_entry(lower->list.next,
+ struct netdev_adjacent, list);
+ if (&lower->list == &dev->adj_list.lower)
+ return NULL;
+ return lower->private;
+ }
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(netdev_lower_dev_get_next_private);
+
static void dev_change_rx_flags(struct net_device *dev, int flags)
{
const struct net_device_ops *ops = dev->netdev_ops;
--
1.8.4
next prev parent reply other threads:[~2013-09-09 20:17 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-09 20:16 [PATCH net-next 0/26] bonding: use neighbours instead of own lists Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 01/26] net: add adj_list to save only neighbours Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 02/26] net: add RCU variant to search for netdev_adjacent link Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 03/26] net: uninline netdev neighbour functions Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 04/26] net: add netdev_adjacent->private and allow to use it Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 05/26] bonding: populate neighbour's private on enslave Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 06/26] bonding: modify bond_get_slave_by_dev() to use neighbours Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 07/26] net: add for_each iterators through neighbour lower link's private Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 08/26] bonding: remove bond_for_each_slave_reverse() Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 09/26] bonding: make bond_for_each_slave() use lower neighbour's private Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 10/26] bonding: use bond_for_each_slave() in bond_uninit() Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 11/26] bonding: rework bond_3ad_xmit_xor() to use bond_for_each_slave() only Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 12/26] bonding: rework rlb_next_rx_slave() to use bond_for_each_slave() Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 13/26] bonding: rework bond_find_best_slave() " Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 14/26] bonding: rework bond_ab_arp_probe() " Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 15/26] bonding: remove unused bond_for_each_slave_from() Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 16/26] bonding: add bond_has_slaves() and use it Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 17/26] bonding: convert bond_has_slaves() to use the neighbour list Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 18/26] net: add a possibility to get private from netdev_adjacent->list Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 19/26] bonding: convert first/last slave logic to use neighbours Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 20/26] bonding: remove bond_prev_slave() Veaceslav Falico
2013-09-09 20:16 ` Veaceslav Falico [this message]
2013-09-09 20:16 ` [PATCH net-next 22/26] bonding: use neighbours for bond_next_slave() Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 23/26] bonding: remove slave lists Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 24/26] net: expose the master link to sysfs, and remove it from bond Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 25/26] vlan: link the upper neighbour only after registering Veaceslav Falico
2013-09-09 20:16 ` [PATCH net-next 26/26] net: create sysfs symlinks for neighbour devices Veaceslav Falico
2013-09-10 11:08 ` [PATCH net-next 0/26] bonding: use neighbours instead of own lists Ding Tianhong
2013-09-10 16:41 ` Veaceslav Falico
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