netdev - [patch net-next-2.6 4/4] bridge: implement slave management operations

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Message-ID: <20110211152346.GD2763@psychotron.brq.redhat.com>
Date:	Fri, 11 Feb 2011 16:23:47 +0100
From:	Jiri Pirko <jpirko@...hat.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, shemminger@...ux-foundation.org,
	kaber@...sh.net, fubar@...ibm.com
Subject: [patch net-next-2.6 4/4] bridge: implement slave management
 operations


Signed-off-by: Jiri Pirko <jpirko@...hat.com>
---
 net/bridge/br_device.c |   44 ++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 44 insertions(+), 0 deletions(-)

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 5564435..5648002 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -297,6 +297,46 @@ void br_netpoll_disable(struct net_bridge_port *p)
 
 #endif
 
+static int br_add_slave(struct net_device *dev, struct net_device *slave_dev)
+{
+	struct net_bridge *br = netdev_priv(dev);
+
+	return br_add_if(br, slave_dev);
+}
+
+static int br_del_slave(struct net_device *dev, struct net_device *slave_dev)
+{
+	struct net_bridge *br = netdev_priv(dev);
+
+	return br_del_if(br, slave_dev);
+}
+
+static int br_get_slave_count(const struct net_device *dev)
+{
+	struct net_bridge *br = netdev_priv(dev);
+	struct net_bridge_port *p;
+	int i = 0;
+
+	list_for_each_entry(p, &br->port_list, list) {
+		i++;
+	}
+	return i;
+}
+
+static struct net_device *br_get_slave(const struct net_device *dev,
+				       int slave_index)
+{
+	struct net_bridge *br = netdev_priv(dev);
+	struct net_bridge_port *p;
+	int i = 0;
+
+	list_for_each_entry(p, &br->port_list, list) {
+		if (slave_index == i++)
+			return p->dev;
+	}
+	return NULL;
+}
+
 static const struct ethtool_ops br_ethtool_ops = {
 	.get_drvinfo    = br_getinfo,
 	.get_link	= ethtool_op_get_link,
@@ -326,6 +366,10 @@ static const struct net_device_ops br_netdev_ops = {
 	.ndo_netpoll_cleanup	 = br_netpoll_cleanup,
 	.ndo_poll_controller	 = br_poll_controller,
 #endif
+	.ndo_add_slave		 = br_add_slave,
+	.ndo_del_slave		 = br_del_slave,
+	.ndo_get_slave_count	 = br_get_slave_count,
+	.ndo_get_slave		 = br_get_slave,
 };
 
 static void br_dev_free(struct net_device *dev)
-- 
1.7.3.4

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