1 files changed, 38 insertions, 2 deletions

diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index 4b5701c8bf97..32eb4179e8fa 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -1059,6 +1059,24 @@ static void lowpan_dev_free(struct net_device *dev)
         free_netdev(dev);
 }
 
+static struct wpan_phy *lowpan_get_phy(const struct net_device *dev)
+{
+        struct net_device *real_dev = lowpan_dev_info(dev)->real_dev;
+        return ieee802154_mlme_ops(real_dev)->get_phy(real_dev);
+}
+
+static u16 lowpan_get_pan_id(const struct net_device *dev)
+{
+        struct net_device *real_dev = lowpan_dev_info(dev)->real_dev;
+        return ieee802154_mlme_ops(real_dev)->get_pan_id(real_dev);
+}
+
+static u16 lowpan_get_short_addr(const struct net_device *dev)
+{
+        struct net_device *real_dev = lowpan_dev_info(dev)->real_dev;
+        return ieee802154_mlme_ops(real_dev)->get_short_addr(real_dev);
+}
+
 static struct header_ops lowpan_header_ops = {
         .create = lowpan_header_create,
 };
@@ -1068,6 +1086,12 @@ static const struct net_device_ops lowpan_netdev_ops = {
         .ndo_set_mac_address    = eth_mac_addr,
 };
 
+static struct ieee802154_mlme_ops lowpan_mlme = {
+        .get_pan_id = lowpan_get_pan_id,
+        .get_phy = lowpan_get_phy,
+        .get_short_addr = lowpan_get_short_addr,
+};
+
 static void lowpan_setup(struct net_device *dev)
 {
         pr_debug("(%s)\n", __func__);
@@ -1085,6 +1109,7 @@ static void lowpan_setup(struct net_device *dev)
 
         dev->netdev_ops         = &lowpan_netdev_ops;
         dev->header_ops         = &lowpan_header_ops;
+        dev->ml_priv            = &lowpan_mlme;
         dev->destructor         = lowpan_dev_free;
 }
 
@@ -1158,6 +1183,8 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
         list_add_tail(&entry->list, &lowpan_devices);
         mutex_unlock(&lowpan_dev_info(dev)->dev_list_mtx);
 
+        spin_lock_init(&flist_lock);
+
         register_netdevice(dev);
 
         return 0;
@@ -1167,11 +1194,20 @@ static void lowpan_dellink(struct net_device *dev, struct list_head *head)
 {
         struct lowpan_dev_info *lowpan_dev = lowpan_dev_info(dev);
         struct net_device *real_dev = lowpan_dev->real_dev;
-        struct lowpan_dev_record *entry;
-        struct lowpan_dev_record *tmp;
+        struct lowpan_dev_record *entry, *tmp;
+        struct lowpan_fragment *frame, *tframe;
 
         ASSERT_RTNL();
 
+        spin_lock(&flist_lock);
+        list_for_each_entry_safe(frame, tframe, &lowpan_fragments, list) {
+                del_timer(&frame->timer);
+                list_del(&frame->list);
+                dev_kfree_skb(frame->skb);
+                kfree(frame);
+        }
+        spin_unlock(&flist_lock);
+
         mutex_lock(&lowpan_dev_info(dev)->dev_list_mtx);
         list_for_each_entry_safe(entry, tmp, &lowpan_devices, list) {
                 if (entry->ldev == dev) {