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Date:	Thu, 21 Aug 2014 18:19:00 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, nhorman@...driver.com, andy@...yhouse.net,
	tgraf@...g.ch, dborkman@...hat.com, ogerlitz@...lanox.com,
	jesse@...ira.com, pshelar@...ira.com, azhou@...ira.com,
	ben@...adent.org.uk, stephen@...workplumber.org,
	jeffrey.t.kirsher@...el.com, vyasevic@...hat.com,
	xiyou.wangcong@...il.com, john.r.fastabend@...el.com,
	edumazet@...gle.com, jhs@...atatu.com, sfeldma@...ulusnetworks.com,
	f.fainelli@...il.com, roopa@...ulusnetworks.com,
	linville@...driver.com, dev@...nvswitch.org, jasowang@...hat.com,
	ebiederm@...ssion.com, nicolas.dichtel@...nd.com,
	ryazanov.s.a@...il.com, buytenh@...tstofly.org,
	aviadr@...lanox.com, nbd@...nwrt.org, alexei.starovoitov@...il.com,
	Neil.Jerram@...aswitch.com, ronye@...lanox.com
Subject: [patch net-next RFC 07/12] dsa: implement ndo_swdev_get_id

Signed-off-by: Jiri Pirko <jiri@...nulli.us>
---
 net/dsa/Kconfig |  2 +-
 net/dsa/slave.c | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig
index f5eede1..66c445a 100644
--- a/net/dsa/Kconfig
+++ b/net/dsa/Kconfig
@@ -1,6 +1,6 @@
 config HAVE_NET_DSA
 	def_bool y
-	depends on NETDEVICES && !S390
+	depends on NETDEVICES && NET_SWITCHDEV && !S390
 
 # Drivers must select NET_DSA and the appropriate tagging format
 
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 45a1e34..e069ba3 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -171,6 +171,19 @@ static int dsa_slave_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	return -EOPNOTSUPP;
 }
 
+static int dsa_slave_swdev_get_id(struct net_device *dev,
+				  struct netdev_phys_item_id *psid)
+{
+	struct dsa_slave_priv *p = netdev_priv(dev);
+	struct dsa_switch *ds = p->parent;
+	u64 tmp = (u64) ds;
+
+	/* TODO: add more sophisticated id generation */
+	memcpy(&psid->id, &tmp, sizeof(tmp));
+	psid->id_len = sizeof(tmp);
+
+	return 0;
+}
 
 /* ethtool operations *******************************************************/
 static int
@@ -303,6 +316,7 @@ static const struct net_device_ops dsa_netdev_ops = {
 	.ndo_set_rx_mode	= dsa_slave_set_rx_mode,
 	.ndo_set_mac_address	= dsa_slave_set_mac_address,
 	.ndo_do_ioctl		= dsa_slave_ioctl,
+	.ndo_swdev_get_id	= dsa_slave_swdev_get_id,
 };
 #endif
 #ifdef CONFIG_NET_DSA_TAG_EDSA
@@ -315,6 +329,7 @@ static const struct net_device_ops edsa_netdev_ops = {
 	.ndo_set_rx_mode	= dsa_slave_set_rx_mode,
 	.ndo_set_mac_address	= dsa_slave_set_mac_address,
 	.ndo_do_ioctl		= dsa_slave_ioctl,
+	.ndo_swdev_get_id	= dsa_slave_swdev_get_id,
 };
 #endif
 #ifdef CONFIG_NET_DSA_TAG_TRAILER
@@ -327,6 +342,7 @@ static const struct net_device_ops trailer_netdev_ops = {
 	.ndo_set_rx_mode	= dsa_slave_set_rx_mode,
 	.ndo_set_mac_address	= dsa_slave_set_mac_address,
 	.ndo_do_ioctl		= dsa_slave_ioctl,
+	.ndo_swdev_get_id	= dsa_slave_swdev_get_id,
 };
 #endif
 
-- 
1.9.3

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