From dcbe4f93f6d220c22c937f4e305171119b87905e Mon Sep 17 00:00:00 2001
From: "alex.bluesman.smirnov@gmail.com" <alex.bluesman.smirnov@gmail.com>
Date: Mon, 25 Jun 2012 23:24:49 +0000
Subject: mac802154: set and get PAN id

Two methods intended to get and set the Private Area Network identifier
were added to the MIB implementation.

Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/mac802154/mac802154.h b/net/mac802154/mac802154.h
index c0efcf1..5cb7dc2 100644
--- a/net/mac802154/mac802154.h
+++ b/net/mac802154/mac802154.h
@@ -109,5 +109,7 @@ netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
 
 /* MIB callbacks */
 void mac802154_dev_set_ieee_addr(struct net_device *dev);
+u16 mac802154_dev_get_pan_id(const struct net_device *dev);
+void mac802154_dev_set_pan_id(struct net_device *dev, u16 val);
 
 #endif /* MAC802154_H */
diff --git a/net/mac802154/mib.c b/net/mac802154/mib.c
index ab59821..8e772ed 100644
--- a/net/mac802154/mib.c
+++ b/net/mac802154/mib.c
@@ -91,3 +91,34 @@ void mac802154_dev_set_ieee_addr(struct net_device *dev)
 		set_hw_addr_filt(dev, IEEE802515_AFILT_IEEEADDR_CHANGED);
 	}
 }
+
+u16 mac802154_dev_get_pan_id(const struct net_device *dev)
+{
+	struct mac802154_sub_if_data *priv = netdev_priv(dev);
+	u16 ret;
+
+	BUG_ON(dev->type != ARPHRD_IEEE802154);
+
+	spin_lock_bh(&priv->mib_lock);
+	ret = priv->pan_id;
+	spin_unlock_bh(&priv->mib_lock);
+
+	return ret;
+}
+
+void mac802154_dev_set_pan_id(struct net_device *dev, u16 val)
+{
+	struct mac802154_sub_if_data *priv = netdev_priv(dev);
+
+	BUG_ON(dev->type != ARPHRD_IEEE802154);
+
+	spin_lock_bh(&priv->mib_lock);
+	priv->pan_id = val;
+	spin_unlock_bh(&priv->mib_lock);
+
+	if ((priv->hw->ops->set_hw_addr_filt) &&
+	    (priv->hw->hw.hw_filt.pan_id != priv->pan_id)) {
+		priv->hw->hw.hw_filt.pan_id = priv->pan_id;
+		set_hw_addr_filt(dev, IEEE802515_AFILT_PANID_CHANGED);
+	}
+}
-- 
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