Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

15 files changed, 3044 insertions, 1287 deletions

diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 8796ffa08b4..5a7f81df603 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -1,5 +1,5 @@
 /*
-   Copyright (c) 2013 Intel Corp.
+   Copyright (c) 2013-2014 Intel Corp.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 2 and
@@ -14,6 +14,8 @@
 #include <linux/if_arp.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
+#include <linux/module.h>
+#include <linux/debugfs.h>
 
 #include <net/ipv6.h>
 #include <net/ip6_route.h>
@@ -25,16 +27,20 @@
 #include <net/bluetooth/hci_core.h>
 #include <net/bluetooth/l2cap.h>
 
-#include "6lowpan.h"
-
 #include <net/6lowpan.h> /* for the compression support */
 
+#define VERSION "0.1"
+
+static struct dentry *lowpan_psm_debugfs;
+static struct dentry *lowpan_control_debugfs;
+
 #define IFACE_NAME_TEMPLATE "bt%d"
 #define EUI64_ADDR_LEN 8
 
 struct skb_cb {
 	struct in6_addr addr;
-	struct l2cap_conn *conn;
+	struct l2cap_chan *chan;
+	int status;
 };
 #define lowpan_cb(skb) ((struct skb_cb *)((skb)->cb))
 
@@ -48,9 +54,19 @@ struct skb_cb {
 static LIST_HEAD(bt_6lowpan_devices);
 static DEFINE_RWLOCK(devices_lock);
 
+/* If psm is set to 0 (default value), then 6lowpan is disabled.
+ * Other values are used to indicate a Protocol Service Multiplexer
+ * value for 6lowpan.
+ */
+static u16 psm_6lowpan;
+
+/* We are listening incoming connections via this channel
+ */
+static struct l2cap_chan *listen_chan;
+
 struct lowpan_peer {
 	struct list_head list;
-	struct l2cap_conn *conn;
+	struct l2cap_chan *chan;
 
 	/* peer addresses in various formats */
 	unsigned char eui64_addr[EUI64_ADDR_LEN];
@@ -84,6 +100,8 @@ static inline bool peer_del(struct lowpan_dev *dev, struct lowpan_peer *peer)
 {
 	list_del(&peer->list);
 
+	module_put(THIS_MODULE);
+
 	if (atomic_dec_and_test(&dev->peer_count)) {
 		BT_DBG("last peer");
 		return true;
@@ -101,13 +119,26 @@ static inline struct lowpan_peer *peer_lookup_ba(struct lowpan_dev *dev,
 	       ba, type);
 
 	list_for_each_entry_safe(peer, tmp, &dev->peers, list) {
-		BT_DBG("addr %pMR type %d",
-		       &peer->conn->hcon->dst, peer->conn->hcon->dst_type);
+		BT_DBG("dst addr %pMR dst type %d",
+		       &peer->chan->dst, peer->chan->dst_type);
 
-		if (bacmp(&peer->conn->hcon->dst, ba))
+		if (bacmp(&peer->chan->dst, ba))
 			continue;
 
-		if (type == peer->conn->hcon->dst_type)
+		if (type == peer->chan->dst_type)
+			return peer;
+	}
+
+	return NULL;
+}
+
+static inline struct lowpan_peer *peer_lookup_chan(struct lowpan_dev *dev,
+						   struct l2cap_chan *chan)
+{
+	struct lowpan_peer *peer, *tmp;
+
+	list_for_each_entry_safe(peer, tmp, &dev->peers, list) {
+		if (peer->chan == chan)
 			return peer;
 	}
 
@@ -120,7 +151,7 @@ static inline struct lowpan_peer *peer_lookup_conn(struct lowpan_dev *dev,
 	struct lowpan_peer *peer, *tmp;
 
 	list_for_each_entry_safe(peer, tmp, &dev->peers, list) {
-		if (peer->conn == conn)
+		if (peer->chan->conn == conn)
 			return peer;
 	}
 
@@ -176,16 +207,16 @@ static int give_skb_to_upper(struct sk_buff *skb, struct net_device *dev)
 		return -ENOMEM;
 
 	ret = netif_rx(skb_cp);
-
-	BT_DBG("receive skb %d", ret);
-	if (ret < 0)
+	if (ret < 0) {
+		BT_DBG("receive skb %d", ret);
 		return NET_RX_DROP;
+	}
 
 	return ret;
 }
 
 static int process_data(struct sk_buff *skb, struct net_device *netdev,
-			struct l2cap_conn *conn)
+			struct l2cap_chan *chan)
 {
 	const u8 *saddr, *daddr;
 	u8 iphc0, iphc1;
@@ -196,7 +227,7 @@ static int process_data(struct sk_buff *skb, struct net_device *netdev,
 	dev = lowpan_dev(netdev);
 
 	read_lock_irqsave(&devices_lock, flags);
-	peer = peer_lookup_conn(dev, conn);
+	peer = peer_lookup_chan(dev, chan);
 	read_unlock_irqrestore(&devices_lock, flags);
 	if (!peer)
 		goto drop;
@@ -225,7 +256,7 @@ drop:
 }
 
 static int recv_pkt(struct sk_buff *skb, struct net_device *dev,
-		    struct l2cap_conn *conn)
+		    struct l2cap_chan *chan)
 {
 	struct sk_buff *local_skb;
 	int ret;
@@ -269,7 +300,7 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev,
 			if (!local_skb)
 				goto drop;
 
-			ret = process_data(local_skb, dev, conn);
+			ret = process_data(local_skb, dev, chan);
 			if (ret != NET_RX_SUCCESS)
 				goto drop;
 
@@ -286,147 +317,39 @@ static int recv_pkt(struct sk_buff *skb, struct net_device *dev,
 	return NET_RX_SUCCESS;
 
 drop:
+	dev->stats.rx_dropped++;
 	kfree_skb(skb);
 	return NET_RX_DROP;
 }
 
 /* Packet from BT LE device */
-int bt_6lowpan_recv(struct l2cap_conn *conn, struct sk_buff *skb)
+static int chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb)
 {
 	struct lowpan_dev *dev;
 	struct lowpan_peer *peer;
 	int err;
 
-	peer = lookup_peer(conn);
+	peer = lookup_peer(chan->conn);
 	if (!peer)
 		return -ENOENT;
 
-	dev = lookup_dev(conn);
+	dev = lookup_dev(chan->conn);
 	if (!dev || !dev->netdev)
 		return -ENOENT;
 
-	err = recv_pkt(skb, dev->netdev, conn);
-	BT_DBG("recv pkt %d", err);
-
-	return err;
-}
-
-static inline int skbuff_copy(void *msg, int len, int count, int mtu,
-			      struct sk_buff *skb, struct net_device *dev)
-{
-	struct sk_buff **frag;
-	int sent = 0;
-
-	memcpy(skb_put(skb, count), msg, count);
-
-	sent += count;
-	msg  += count;
-	len  -= count;
-
-	dev->stats.tx_bytes += count;
-	dev->stats.tx_packets++;
-
-	raw_dump_table(__func__, "Sending", skb->data, skb->len);
-
-	/* Continuation fragments (no L2CAP header) */
-	frag = &skb_shinfo(skb)->frag_list;
-	while (len > 0) {
-		struct sk_buff *tmp;
-
-		count = min_t(unsigned int, mtu, len);
-
-		tmp = bt_skb_alloc(count, GFP_ATOMIC);
-		if (!tmp)
-			return -ENOMEM;
-
-		*frag = tmp;
-
-		memcpy(skb_put(*frag, count), msg, count);
-
-		raw_dump_table(__func__, "Sending fragment",
-			       (*frag)->data, count);
-
-		(*frag)->priority = skb->priority;
-
-		sent += count;
-		msg  += count;
-		len  -= count;
-
-		skb->len += (*frag)->len;
-		skb->data_len += (*frag)->len;
-
-		frag = &(*frag)->next;
-
-		dev->stats.tx_bytes += count;
-		dev->stats.tx_packets++;
+	err = recv_pkt(skb, dev->netdev, chan);
+	if (err) {
+		BT_DBG("recv pkt %d", err);
+		err = -EAGAIN;
 	}
 
-	return sent;
-}
-
-static struct sk_buff *create_pdu(struct l2cap_conn *conn, void *msg,
-				  size_t len, u32 priority,
-				  struct net_device *dev)
-{
-	struct sk_buff *skb;
-	int err, count;
-	struct l2cap_hdr *lh;
-
-	/* FIXME: This mtu check should be not needed and atm is only used for
-	 * testing purposes
-	 */
-	if (conn->mtu > (L2CAP_LE_MIN_MTU + L2CAP_HDR_SIZE))
-		conn->mtu = L2CAP_LE_MIN_MTU + L2CAP_HDR_SIZE;
-
-	count = min_t(unsigned int, (conn->mtu - L2CAP_HDR_SIZE), len);
-
-	BT_DBG("conn %p len %zu mtu %d count %d", conn, len, conn->mtu, count);
-
-	skb = bt_skb_alloc(count + L2CAP_HDR_SIZE, GFP_ATOMIC);
-	if (!skb)
-		return ERR_PTR(-ENOMEM);
-
-	skb->priority = priority;
-
-	lh = (struct l2cap_hdr *)skb_put(skb, L2CAP_HDR_SIZE);
-	lh->cid = cpu_to_le16(L2CAP_FC_6LOWPAN);
-	lh->len = cpu_to_le16(len);
-
-	err = skbuff_copy(msg, len, count, conn->mtu, skb, dev);
-	if (unlikely(err < 0)) {
-		kfree_skb(skb);
-		BT_DBG("skbuff copy %d failed", err);
-		return ERR_PTR(err);
-	}
-
-	return skb;
-}
-
-static int conn_send(struct l2cap_conn *conn,
-		     void *msg, size_t len, u32 priority,
-		     struct net_device *dev)
-{
-	struct sk_buff *skb;
-
-	skb = create_pdu(conn, msg, len, priority, dev);
-	if (IS_ERR(skb))
-		return -EINVAL;
-
-	BT_DBG("conn %p skb %p len %d priority %u", conn, skb, skb->len,
-	       skb->priority);
-
-	hci_send_acl(conn->hchan, skb, ACL_START);
-
-	return 0;
+	return err;
 }
 
 static u8 get_addr_type_from_eui64(u8 byte)
 {
-	/* Is universal(0) or local(1) bit,  */
-	if (byte & 0x02)
-		return ADDR_LE_DEV_RANDOM;
-
-	return ADDR_LE_DEV_PUBLIC;
+	/* Is universal(0) or local(1) bit */
+	return ((byte & 0x02) ? BDADDR_LE_RANDOM : BDADDR_LE_PUBLIC);
 }
 
 static void copy_to_bdaddr(struct in6_addr *ip6_daddr, bdaddr_t *addr)
@@ -475,7 +398,7 @@ static int header_create(struct sk_buff *skb, struct net_device *netdev,
 	if (ipv6_addr_is_multicast(&hdr->daddr)) {
 		memcpy(&lowpan_cb(skb)->addr, &hdr->daddr,
 		       sizeof(struct in6_addr));
-		lowpan_cb(skb)->conn = NULL;
+		lowpan_cb(skb)->chan = NULL;
 	} else {
 		unsigned long flags;
 
@@ -484,9 +407,8 @@ static int header_create(struct sk_buff *skb, struct net_device *netdev,
 		 */
 		convert_dest_bdaddr(&hdr->daddr, &addr, &addr_type);
 
-		BT_DBG("dest addr %pMR type %s IP %pI6c", &addr,
-		       addr_type == ADDR_LE_DEV_PUBLIC ? "PUBLIC" : "RANDOM",
-		       &hdr->daddr);
+		BT_DBG("dest addr %pMR type %d IP %pI6c", &addr,
+		       addr_type, &hdr->daddr);
 
 		read_lock_irqsave(&devices_lock, flags);
 		peer = peer_lookup_ba(dev, &addr, addr_type);
@@ -501,7 +423,7 @@ static int header_create(struct sk_buff *skb, struct net_device *netdev,
 
 		memcpy(&lowpan_cb(skb)->addr, &hdr->daddr,
 		       sizeof(struct in6_addr));
-		lowpan_cb(skb)->conn = peer->conn;
+		lowpan_cb(skb)->chan = peer->chan;
 	}
 
 	saddr = dev->netdev->dev_addr;
@@ -510,14 +432,42 @@ static int header_create(struct sk_buff *skb, struct net_device *netdev,
 }
 
 /* Packet to BT LE device */
-static int send_pkt(struct l2cap_conn *conn, const void *saddr,
-		    const void *daddr, struct sk_buff *skb,
+static int send_pkt(struct l2cap_chan *chan, struct sk_buff *skb,
 		    struct net_device *netdev)
 {
-	raw_dump_table(__func__, "raw skb data dump before fragmentation",
-		       skb->data, skb->len);
+	struct msghdr msg;
+	struct kvec iv;
+	int err;
+
+	/* Remember the skb so that we can send EAGAIN to the caller if
+	 * we run out of credits.
+	 */
+	chan->data = skb;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.msg_iov = (struct iovec *) &iv;
+	msg.msg_iovlen = 1;
+	iv.iov_base = skb->data;
+	iv.iov_len = skb->len;
+
+	err = l2cap_chan_send(chan, &msg, skb->len);
+	if (err > 0) {
+		netdev->stats.tx_bytes += err;
+		netdev->stats.tx_packets++;
+		return 0;
+	}
+
+	if (!err)
+		err = lowpan_cb(skb)->status;
 
-	return conn_send(conn, skb->data, skb->len, 0, netdev);
+	if (err < 0) {
+		if (err == -EAGAIN)
+			netdev->stats.tx_dropped++;
+		else
+			netdev->stats.tx_errors++;
+	}
+
+	return err;
 }
 
 static void send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev)
@@ -540,8 +490,7 @@ static void send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev)
 		list_for_each_entry_safe(pentry, ptmp, &dev->peers, list) {
 			local_skb = skb_clone(skb, GFP_ATOMIC);
 
-			send_pkt(pentry->conn, netdev->dev_addr,
-				 pentry->eui64_addr, local_skb, netdev);
+			send_pkt(pentry->chan, local_skb, netdev);
 
 			kfree_skb(local_skb);
 		}
@@ -553,7 +502,6 @@ static void send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev)
 static netdev_tx_t bt_xmit(struct sk_buff *skb, struct net_device *netdev)
 {
 	int err = 0;
-	unsigned char *eui64_addr;
 	struct lowpan_dev *dev;
 	struct lowpan_peer *peer;
 	bdaddr_t addr;
@@ -568,21 +516,20 @@ static netdev_tx_t bt_xmit(struct sk_buff *skb, struct net_device *netdev)
 		unsigned long flags;
 
 		convert_dest_bdaddr(&lowpan_cb(skb)->addr, &addr, &addr_type);
-		eui64_addr = lowpan_cb(skb)->addr.s6_addr + 8;
 		dev = lowpan_dev(netdev);
 
 		read_lock_irqsave(&devices_lock, flags);
 		peer = peer_lookup_ba(dev, &addr, addr_type);
 		read_unlock_irqrestore(&devices_lock, flags);
 
-		BT_DBG("xmit %s to %pMR type %s IP %pI6c peer %p",
-		       netdev->name, &addr,
-		       addr_type == ADDR_LE_DEV_PUBLIC ? "PUBLIC" : "RANDOM",
+		BT_DBG("xmit %s to %pMR type %d IP %pI6c peer %p",
+		       netdev->name, &addr, addr_type,
 		       &lowpan_cb(skb)->addr, peer);
 
-		if (peer && peer->conn)
-			err = send_pkt(peer->conn, netdev->dev_addr,
-				       eui64_addr, skb, netdev);
+		if (peer && peer->chan)
+			err = send_pkt(peer->chan, skb, netdev);
+		else
+			err = -ENOENT;
 	}
 	dev_kfree_skb(skb);
 
@@ -634,7 +581,7 @@ static void set_addr(u8 *eui, u8 *addr, u8 addr_type)
 	eui[7] = addr[0];
 
 	/* Universal/local bit set, BT 6lowpan draft ch. 3.2.1 */
-	if (addr_type == ADDR_LE_DEV_PUBLIC)
+	if (addr_type == BDADDR_LE_PUBLIC)
 		eui[0] &= ~0x02;
 	else
 		eui[0] |= 0x02;
@@ -660,6 +607,17 @@ static void ifup(struct net_device *netdev)
 	rtnl_unlock();
 }
 
+static void ifdown(struct net_device *netdev)
+{
+	int err;
+
+	rtnl_lock();
+	err = dev_close(netdev);
+	if (err < 0)
+		BT_INFO("iface %s cannot be closed (%d)", netdev->name, err);
+	rtnl_unlock();
+}
+
 static void do_notify_peers(struct work_struct *work)
 {
 	struct lowpan_dev *dev = container_of(work, struct lowpan_dev,
@@ -673,26 +631,64 @@ static bool is_bt_6lowpan(struct hci_conn *hcon)
 	if (hcon->type != LE_LINK)
 		return false;
 
-	return test_bit(HCI_CONN_6LOWPAN, &hcon->flags);
+	if (!psm_6lowpan)
+		return false;
+
+	return true;
+}
+
+static struct l2cap_chan *chan_create(void)
+{
+	struct l2cap_chan *chan;
+
+	chan = l2cap_chan_create();
+	if (!chan)
+		return NULL;
+
+	l2cap_chan_set_defaults(chan);
+
+	chan->chan_type = L2CAP_CHAN_CONN_ORIENTED;
+	chan->mode = L2CAP_MODE_LE_FLOWCTL;
+	chan->omtu = 65535;
+	chan->imtu = chan->omtu;
+
+	return chan;
 }
 
-static int add_peer_conn(struct l2cap_conn *conn, struct lowpan_dev *dev)
+static struct l2cap_chan *chan_open(struct l2cap_chan *pchan)
+{
+	struct l2cap_chan *chan;
+
+	chan = chan_create();
+	if (!chan)
+		return NULL;
+
+	chan->remote_mps = chan->omtu;
+	chan->mps = chan->omtu;
+
+	chan->state = BT_CONNECTED;
+
+	return chan;
+}
+
+static struct l2cap_chan *add_peer_chan(struct l2cap_chan *chan,
+					struct lowpan_dev *dev)
 {
 	struct lowpan_peer *peer;
 	unsigned long flags;
 
 	peer = kzalloc(sizeof(*peer), GFP_ATOMIC);
 	if (!peer)
-		return -ENOMEM;
+		return NULL;
 
-	peer->conn = conn;
+	peer->chan = chan;
 	memset(&peer->peer_addr, 0, sizeof(struct in6_addr));
 
 	/* RFC 2464 ch. 5 */
 	peer->peer_addr.s6_addr[0] = 0xFE;
 	peer->peer_addr.s6_addr[1] = 0x80;
-	set_addr((u8 *)&peer->peer_addr.s6_addr + 8, conn->hcon->dst.b,
-	         conn->hcon->dst_type);
+	set_addr((u8 *)&peer->peer_addr.s6_addr + 8, chan->dst.b,
+		 chan->dst_type);
 
 	memcpy(&peer->eui64_addr, (u8 *)&peer->peer_addr.s6_addr + 8,
 	       EUI64_ADDR_LEN);
@@ -706,40 +702,24 @@ static int add_peer_conn(struct l2cap_conn *conn, struct lowpan_dev *dev)
 	INIT_DELAYED_WORK(&dev->notify_peers, do_notify_peers);
 	schedule_delayed_work(&dev->notify_peers, msecs_to_jiffies(100));
 
-	return 0;
+	return peer->chan;
 }
 
-/* This gets called when BT LE 6LoWPAN device is connected. We then
- * create network device that acts as a proxy between BT LE device
- * and kernel network stack.
- */
-int bt_6lowpan_add_conn(struct l2cap_conn *conn)
+static int setup_netdev(struct l2cap_chan *chan, struct lowpan_dev **dev)
 {
-	struct lowpan_peer *peer = NULL;
-	struct lowpan_dev *dev;
 	struct net_device *netdev;
 	int err = 0;
 	unsigned long flags;
 
-	if (!is_bt_6lowpan(conn->hcon))
-		return 0;
-
-	peer = lookup_peer(conn);
-	if (peer)
-		return -EEXIST;
-
-	dev = lookup_dev(conn);
-	if (dev)
-		return add_peer_conn(conn, dev);
-
-	netdev = alloc_netdev(sizeof(*dev), IFACE_NAME_TEMPLATE, netdev_setup);
+	netdev = alloc_netdev(sizeof(struct lowpan_dev), IFACE_NAME_TEMPLATE,
+			      netdev_setup);
 	if (!netdev)
 		return -ENOMEM;
 
-	set_dev_addr(netdev, &conn->hcon->src, conn->hcon->src_type);
+	set_dev_addr(netdev, &chan->src, chan->src_type);
 
 	netdev->netdev_ops = &netdev_ops;
-	SET_NETDEV_DEV(netdev, &conn->hcon->dev);
+	SET_NETDEV_DEV(netdev, &chan->conn->hcon->dev);
 	SET_NETDEV_DEVTYPE(netdev, &bt_type);
 
 	err = register_netdev(netdev);
@@ -749,28 +729,61 @@ int bt_6lowpan_add_conn(struct l2cap_conn *conn)
 		goto out;
 	}
 
-	BT_DBG("ifindex %d peer bdaddr %pMR my addr %pMR",
-	       netdev->ifindex, &conn->hcon->dst, &conn->hcon->src);
+	BT_DBG("ifindex %d peer bdaddr %pMR type %d my addr %pMR type %d",
+	       netdev->ifindex, &chan->dst, chan->dst_type,
+	       &chan->src, chan->src_type);
 	set_bit(__LINK_STATE_PRESENT, &netdev->state);
 
-	dev = netdev_priv(netdev);
-	dev->netdev = netdev;
-	dev->hdev = conn->hcon->hdev;
-	INIT_LIST_HEAD(&dev->peers);
+	*dev = netdev_priv(netdev);
+	(*dev)->netdev = netdev;
+	(*dev)->hdev = chan->conn->hcon->hdev;
+	INIT_LIST_HEAD(&(*dev)->peers);
 
 	write_lock_irqsave(&devices_lock, flags);
-	INIT_LIST_HEAD(&dev->list);
-	list_add(&dev->list, &bt_6lowpan_devices);
+	INIT_LIST_HEAD(&(*dev)->list);
+	list_add(&(*dev)->list, &bt_6lowpan_devices);
 	write_unlock_irqrestore(&devices_lock, flags);
 
-	ifup(netdev);
-
-	return add_peer_conn(conn, dev);
+	return 0;
 
 out:
 	return err;
 }
 
+static inline void chan_ready_cb(struct l2cap_chan *chan)
+{
+	struct lowpan_dev *dev;
+
+	dev = lookup_dev(chan->conn);
+
+	BT_DBG("chan %p conn %p dev %p", chan, chan->conn, dev);
+
+	if (!dev) {
+		if (setup_netdev(chan, &dev) < 0) {
+			l2cap_chan_del(chan, -ENOENT);
+			return;
+		}
+	}
+
+	if (!try_module_get(THIS_MODULE))
+		return;
+
+	add_peer_chan(chan, dev);
+	ifup(dev->netdev);
+}
+
+static inline struct l2cap_chan *chan_new_conn_cb(struct l2cap_chan *chan)
+{
+	struct l2cap_chan *pchan;
+
+	pchan = chan_open(chan);
+	pchan->ops = chan->ops;
+
+	BT_DBG("chan %p pchan %p", chan, pchan);
+
+	return pchan;
+}
+
 static void delete_netdev(struct work_struct *work)
 {
 	struct lowpan_dev *entry = container_of(work, struct lowpan_dev,
@@ -781,26 +794,43 @@ static void delete_netdev(struct work_struct *work)
 	/* The entry pointer is deleted in device_event() */
 }
 
-int bt_6lowpan_del_conn(struct l2cap_conn *conn)
+static void chan_close_cb(struct l2cap_chan *chan)
 {
 	struct lowpan_dev *entry, *tmp;
 	struct lowpan_dev *dev = NULL;
 	struct lowpan_peer *peer;
 	int err = -ENOENT;
 	unsigned long flags;
-	bool last = false;
+	bool last = false, removed = true;
 
-	if (!conn || !is_bt_6lowpan(conn->hcon))
-		return 0;
+	BT_DBG("chan %p conn %p", chan, chan->conn);
+
+	if (chan->conn && chan->conn->hcon) {
+		if (!is_bt_6lowpan(chan->conn->hcon))
+			return;
+
+		/* If conn is set, then the netdev is also there and we should
+		 * not remove it.
+		 */
+		removed = false;
+	}
 
 	write_lock_irqsave(&devices_lock, flags);
 
 	list_for_each_entry_safe(entry, tmp, &bt_6lowpan_devices, list) {
 		dev = lowpan_dev(entry->netdev);
-		peer = peer_lookup_conn(dev, conn);
+		peer = peer_lookup_chan(dev, chan);
 		if (peer) {
 			last = peer_del(dev, peer);
 			err = 0;
+
+			BT_DBG("dev %p removing %speer %p", dev,
+			       last ? "last " : "1 ", peer);
+			BT_DBG("chan %p orig refcnt %d", chan,
+			       atomic_read(&chan->kref.refcount));
+
+			l2cap_chan_put(chan);
+			kfree(peer);
 			break;
 		}
 	}
@@ -810,18 +840,402 @@ int bt_6lowpan_del_conn(struct l2cap_conn *conn)
 
 		cancel_delayed_work_sync(&dev->notify_peers);
 
-		/* bt_6lowpan_del_conn() is called with hci dev lock held which
-		 * means that we must delete the netdevice in worker thread.
-		 */
-		INIT_WORK(&entry->delete_netdev, delete_netdev);
-		schedule_work(&entry->delete_netdev);
+		ifdown(dev->netdev);
+
+		if (!removed) {
+			INIT_WORK(&entry->delete_netdev, delete_netdev);
+			schedule_work(&entry->delete_netdev);
+		}
 	} else {
 		write_unlock_irqrestore(&devices_lock, flags);
 	}
 
+	return;
+}
+
+static void chan_state_change_cb(struct l2cap_chan *chan, int state, int err)
+{
+	BT_DBG("chan %p conn %p state %s err %d", chan, chan->conn,
+	       state_to_string(state), err);
+}
+
+static struct sk_buff *chan_alloc_skb_cb(struct l2cap_chan *chan,
+					 unsigned long hdr_len,
+					 unsigned long len, int nb)
+{
+	/* Note that we must allocate using GFP_ATOMIC here as
+	 * this function is called originally from netdev hard xmit
+	 * function in atomic context.
+	 */
+	return bt_skb_alloc(hdr_len + len, GFP_ATOMIC);
+}
+
+static void chan_suspend_cb(struct l2cap_chan *chan)
+{
+	struct sk_buff *skb = chan->data;
+
+	BT_DBG("chan %p conn %p skb %p", chan, chan->conn, skb);
+
+	lowpan_cb(skb)->status = -EAGAIN;
+}
+
+static void chan_resume_cb(struct l2cap_chan *chan)
+{
+	struct sk_buff *skb = chan->data;
+
+	BT_DBG("chan %p conn %p skb %p", chan, chan->conn, skb);
+
+	lowpan_cb(skb)->status = 0;
+}
+
+static long chan_get_sndtimeo_cb(struct l2cap_chan *chan)
+{
+	return msecs_to_jiffies(1000);
+}
+
+static const struct l2cap_ops bt_6lowpan_chan_ops = {
+	.name			= "L2CAP 6LoWPAN channel",
+	.new_connection		= chan_new_conn_cb,
+	.recv			= chan_recv_cb,
+	.close			= chan_close_cb,
+	.state_change		= chan_state_change_cb,
+	.ready			= chan_ready_cb,
+	.resume			= chan_resume_cb,
+	.suspend		= chan_suspend_cb,
+	.get_sndtimeo		= chan_get_sndtimeo_cb,
+	.alloc_skb		= chan_alloc_skb_cb,
+	.memcpy_fromiovec	= l2cap_chan_no_memcpy_fromiovec,
+
+	.teardown		= l2cap_chan_no_teardown,
+	.defer			= l2cap_chan_no_defer,
+	.set_shutdown		= l2cap_chan_no_set_shutdown,
+};
+
+static inline __u8 bdaddr_type(__u8 type)
+{
+	if (type == ADDR_LE_DEV_PUBLIC)
+		return BDADDR_LE_PUBLIC;
+	else
+		return BDADDR_LE_RANDOM;
+}
+
+static struct l2cap_chan *chan_get(void)
+{
+	struct l2cap_chan *pchan;
+
+	pchan = chan_create();
+	if (!pchan)
+		return NULL;
+
+	pchan->ops = &bt_6lowpan_chan_ops;
+
+	return pchan;
+}
+
+static int bt_6lowpan_connect(bdaddr_t *addr, u8 dst_type)
+{
+	struct l2cap_chan *pchan;
+	int err;
+
+	pchan = chan_get();
+	if (!pchan)
+		return -EINVAL;
+
+	err = l2cap_chan_connect(pchan, cpu_to_le16(psm_6lowpan), 0,
+				 addr, dst_type);
+
+	BT_DBG("chan %p err %d", pchan, err);
+	if (err < 0)
+		l2cap_chan_put(pchan);
+
 	return err;
 }
 
+static int bt_6lowpan_disconnect(struct l2cap_conn *conn, u8 dst_type)
+{
+	struct lowpan_peer *peer;
+
+	BT_DBG("conn %p dst type %d", conn, dst_type);
+
+	peer = lookup_peer(conn);
+	if (!peer)
+		return -ENOENT;
+
+	BT_DBG("peer %p chan %p", peer, peer->chan);
+
+	l2cap_chan_close(peer->chan, ENOENT);
+
+	return 0;
+}
+
+static struct l2cap_chan *bt_6lowpan_listen(void)
+{
+	bdaddr_t *addr = BDADDR_ANY;
+	struct l2cap_chan *pchan;
+	int err;
+
+	if (psm_6lowpan == 0)
+		return NULL;
+
+	pchan = chan_get();
+	if (!pchan)
+		return NULL;
+
+	pchan->state = BT_LISTEN;
+	pchan->src_type = BDADDR_LE_PUBLIC;
+
+	BT_DBG("psm 0x%04x chan %p src type %d", psm_6lowpan, pchan,
+	       pchan->src_type);
+
+	err = l2cap_add_psm(pchan, addr, cpu_to_le16(psm_6lowpan));
+	if (err) {
+		l2cap_chan_put(pchan);
+		BT_ERR("psm cannot be added err %d", err);
+		return NULL;
+	}
+
+	return pchan;
+}
+
+static int get_l2cap_conn(char *buf, bdaddr_t *addr, u8 *addr_type,
+			  struct l2cap_conn **conn)
+{
+	struct hci_conn *hcon;
+	struct hci_dev *hdev;
+	bdaddr_t *src = BDADDR_ANY;
+	int n;
+
+	n = sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx %hhu",
+		   &addr->b[5], &addr->b[4], &addr->b[3],
+		   &addr->b[2], &addr->b[1], &addr->b[0],
+		   addr_type);
+
+	if (n < 7)
+		return -EINVAL;
+
+	hdev = hci_get_route(addr, src);
+	if (!hdev)
+		return -ENOENT;
+
+	hci_dev_lock(hdev);
+	hcon = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
+	hci_dev_unlock(hdev);
+
+	if (!hcon)
+		return -ENOENT;
+
+	*conn = (struct l2cap_conn *)hcon->l2cap_data;
+
+	BT_DBG("conn %p dst %pMR type %d", *conn, &hcon->dst, hcon->dst_type);
+
+	return 0;
+}
+
+static void disconnect_all_peers(void)
+{
+	struct lowpan_dev *entry, *tmp_dev;
+	struct lowpan_peer *peer, *tmp_peer, *new_peer;
+	struct list_head peers;
+	unsigned long flags;
+
+	INIT_LIST_HEAD(&peers);
+
+	/* We make a separate list of peers as the close_cb() will
+	 * modify the device peers list so it is better not to mess
+	 * with the same list at the same time.
+	 */
+
+	read_lock_irqsave(&devices_lock, flags);
+
+	list_for_each_entry_safe(entry, tmp_dev, &bt_6lowpan_devices, list) {
+		list_for_each_entry_safe(peer, tmp_peer, &entry->peers, list) {
+			new_peer = kmalloc(sizeof(*new_peer), GFP_ATOMIC);
+			if (!new_peer)
+				break;
+
+			new_peer->chan = peer->chan;
+			INIT_LIST_HEAD(&new_peer->list);
+
+			list_add(&new_peer->list, &peers);
+		}
+	}
+
+	read_unlock_irqrestore(&devices_lock, flags);
+
+	list_for_each_entry_safe(peer, tmp_peer, &peers, list) {
+		l2cap_chan_close(peer->chan, ENOENT);
+		kfree(peer);
+	}
+}
+
+static int lowpan_psm_set(void *data, u64 val)
+{
+	u16 psm;
+
+	psm = val;
+	if (psm == 0 || psm_6lowpan != psm)
+		/* Disconnect existing connections if 6lowpan is
+		 * disabled (psm = 0), or if psm changes.
+		 */
+		disconnect_all_peers();
+
+	psm_6lowpan = psm;
+
+	if (listen_chan) {
+		l2cap_chan_close(listen_chan, 0);
+		l2cap_chan_put(listen_chan);
+	}
+
+	listen_chan = bt_6lowpan_listen();
+
+	return 0;
+}
+
+static int lowpan_psm_get(void *data, u64 *val)
+{
+	*val = psm_6lowpan;
+	return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(lowpan_psm_fops, lowpan_psm_get,
+			lowpan_psm_set, "%llu\n");
+
+static ssize_t lowpan_control_write(struct file *fp,
+				    const char __user *user_buffer,
+				    size_t count,
+				    loff_t *position)
+{
+	char buf[32];
+	size_t buf_size = min(count, sizeof(buf) - 1);
+	int ret;
+	bdaddr_t addr;
+	u8 addr_type;
+	struct l2cap_conn *conn = NULL;
+
+	if (copy_from_user(buf, user_buffer, buf_size))
+		return -EFAULT;
+
+	buf[buf_size] = '\0';
+
+	if (memcmp(buf, "connect ", 8) == 0) {
+		ret = get_l2cap_conn(&buf[8], &addr, &addr_type, &conn);
+		if (ret == -EINVAL)
+			return ret;
+
+		if (listen_chan) {
+			l2cap_chan_close(listen_chan, 0);
+			l2cap_chan_put(listen_chan);
+			listen_chan = NULL;
+		}
+
+		if (conn) {
+			struct lowpan_peer *peer;
+
+			if (!is_bt_6lowpan(conn->hcon))
+				return -EINVAL;
+
+			peer = lookup_peer(conn);
+			if (peer) {
+				BT_DBG("6LoWPAN connection already exists");
+				return -EALREADY;
+			}
+
+			BT_DBG("conn %p dst %pMR type %d user %d", conn,
+			       &conn->hcon->dst, conn->hcon->dst_type,
+			       addr_type);
+		}
+
+		ret = bt_6lowpan_connect(&addr, addr_type);
+		if (ret < 0)
+			return ret;
+
+		return count;
+	}
+
+	if (memcmp(buf, "disconnect ", 11) == 0) {
+		ret = get_l2cap_conn(&buf[11], &addr, &addr_type, &conn);
+		if (ret < 0)
+			return ret;
+
+		ret = bt_6lowpan_disconnect(conn, addr_type);
+		if (ret < 0)
+			return ret;
+
+		return count;
+	}
+
+	return count;
+}
+
+static int lowpan_control_show(struct seq_file *f, void *ptr)
+{
+	struct lowpan_dev *entry, *tmp_dev;
+	struct lowpan_peer *peer, *tmp_peer;
+	unsigned long flags;
+
+	read_lock_irqsave(&devices_lock, flags);
+
+	list_for_each_entry_safe(entry, tmp_dev, &bt_6lowpan_devices, list) {
+		list_for_each_entry_safe(peer, tmp_peer, &entry->peers, list)
+			seq_printf(f, "%pMR (type %u)\n",
+				   &peer->chan->dst, peer->chan->dst_type);
+	}
+
+	read_unlock_irqrestore(&devices_lock, flags);
+
+	return 0;
+}
+
+static int lowpan_control_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, lowpan_control_show, inode->i_private);
+}
+
+static const struct file_operations lowpan_control_fops = {
+	.open		= lowpan_control_open,
+	.read		= seq_read,
+	.write		= lowpan_control_write,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static void disconnect_devices(void)
+{
+	struct lowpan_dev *entry, *tmp, *new_dev;
+	struct list_head devices;
+	unsigned long flags;
+
+	INIT_LIST_HEAD(&devices);
+
+	/* We make a separate list of devices because the unregister_netdev()
+	 * will call device_event() which will also want to modify the same
+	 * devices list.
+	 */
+
+	read_lock_irqsave(&devices_lock, flags);
+
+	list_for_each_entry_safe(entry, tmp, &bt_6lowpan_devices, list) {
+		new_dev = kmalloc(sizeof(*new_dev), GFP_ATOMIC);
+		if (!new_dev)
+			break;
+
+		new_dev->netdev = entry->netdev;
+		INIT_LIST_HEAD(&new_dev->list);
+
+		list_add(&new_dev->list, &devices);
+	}
+
+	read_unlock_irqrestore(&devices_lock, flags);
+
+	list_for_each_entry_safe(entry, tmp, &devices, list) {
+		ifdown(entry->netdev);
+		BT_DBG("Unregistering netdev %s %p",
+		       entry->netdev->name, entry->netdev);
+		unregister_netdev(entry->netdev);
+		kfree(entry);
+	}
+}
+
 static int device_event(struct notifier_block *unused,
 			unsigned long event, void *ptr)
 {
@@ -838,6 +1252,8 @@ static int device_event(struct notifier_block *unused,
 		list_for_each_entry_safe(entry, tmp, &bt_6lowpan_devices,
 					 list) {
 			if (entry->netdev == netdev) {
+				BT_DBG("Unregistered netdev %s %p",
+				       netdev->name, netdev);
 				list_del(&entry->list);
 				kfree(entry);
 				break;
@@ -854,12 +1270,37 @@ static struct notifier_block bt_6lowpan_dev_notifier = {
 	.notifier_call = device_event,
 };
 
-int bt_6lowpan_init(void)
+static int __init bt_6lowpan_init(void)
 {
+	lowpan_psm_debugfs = debugfs_create_file("6lowpan_psm", 0644,
+						 bt_debugfs, NULL,
+						 &lowpan_psm_fops);
+	lowpan_control_debugfs = debugfs_create_file("6lowpan_control", 0644,
+						     bt_debugfs, NULL,
+						     &lowpan_control_fops);
+
 	return register_netdevice_notifier(&bt_6lowpan_dev_notifier);
 }
 
-void bt_6lowpan_cleanup(void)
+static void __exit bt_6lowpan_exit(void)
 {
+	debugfs_remove(lowpan_psm_debugfs);
+	debugfs_remove(lowpan_control_debugfs);
+
+	if (listen_chan) {
+		l2cap_chan_close(listen_chan, 0);
+		l2cap_chan_put(listen_chan);
+	}
+
+	disconnect_devices();
+
 	unregister_netdevice_notifier(&bt_6lowpan_dev_notifier);
 }
+
+module_init(bt_6lowpan_init);
+module_exit(bt_6lowpan_exit);
+
+MODULE_AUTHOR("Jukka Rissanen <jukka.rissanen@linux.intel.com>");
+MODULE_DESCRIPTION("Bluetooth 6LoWPAN");
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
diff --git a/net/bluetooth/6lowpan.h b/net/bluetooth/6lowpan.h
deleted file mode 100644
index 5d281f1eaf5..00000000000
--- a/net/bluetooth/6lowpan.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
-   Copyright (c) 2013 Intel Corp.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License version 2 and
-   only version 2 as published by the Free Software Foundation.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-*/
-
-#ifndef __6LOWPAN_H
-#define __6LOWPAN_H
-
-#include <linux/errno.h>
-#include <linux/skbuff.h>
-#include <net/bluetooth/l2cap.h>
-
-#if IS_ENABLED(CONFIG_BT_6LOWPAN)
-int bt_6lowpan_recv(struct l2cap_conn *conn, struct sk_buff *skb);
-int bt_6lowpan_add_conn(struct l2cap_conn *conn);
-int bt_6lowpan_del_conn(struct l2cap_conn *conn);
-int bt_6lowpan_init(void);
-void bt_6lowpan_cleanup(void);
-#else
-static int bt_6lowpan_recv(struct l2cap_conn *conn, struct sk_buff *skb)
-{
-	return -EOPNOTSUPP;
-}
-static int bt_6lowpan_add_conn(struct l2cap_conn *conn)
-{
-	return -EOPNOTSUPP;
-}
-int bt_6lowpan_del_conn(struct l2cap_conn *conn)
-{
-	return -EOPNOTSUPP;
-}
-static int bt_6lowpan_init(void)
-{
-	return -EOPNOTSUPP;
-}
-static void bt_6lowpan_cleanup(void) { }
-#endif
-
-#endif /* __6LOWPAN_H */
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index 06ec14499ca..f5afaa22f6e 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -6,7 +6,6 @@ menuconfig BT
 	tristate "Bluetooth subsystem support"
 	depends on NET && !S390
 	depends on RFKILL || !RFKILL
-	select 6LOWPAN_IPHC if BT_6LOWPAN
 	select CRC16
 	select CRYPTO
 	select CRYPTO_BLKCIPHER
@@ -41,10 +40,11 @@ menuconfig BT
 	  more information, see <http://www.bluez.org/>.
 
 config BT_6LOWPAN
-	bool "Bluetooth 6LoWPAN support"
+	tristate "Bluetooth 6LoWPAN support"
 	depends on BT && IPV6
+	select 6LOWPAN_IPHC if BT_6LOWPAN
 	help
-	  IPv6 compression over Bluetooth.
+	  IPv6 compression over Bluetooth Low Energy.
 
 source "net/bluetooth/rfcomm/Kconfig"
 
diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile
index ca51246b101..886e9aa3ecf 100644
--- a/net/bluetooth/Makefile
+++ b/net/bluetooth/Makefile
@@ -7,10 +7,12 @@ obj-$(CONFIG_BT_RFCOMM)	+= rfcomm/
 obj-$(CONFIG_BT_BNEP)	+= bnep/
 obj-$(CONFIG_BT_CMTP)	+= cmtp/
 obj-$(CONFIG_BT_HIDP)	+= hidp/
+obj-$(CONFIG_BT_6LOWPAN) += bluetooth_6lowpan.o
+
+bluetooth_6lowpan-y := 6lowpan.o
 
 bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o \
 	hci_sock.o hci_sysfs.o l2cap_core.o l2cap_sock.o smp.o sco.o lib.o \
 	a2mp.o amp.o
-bluetooth-$(CONFIG_BT_6LOWPAN) += 6lowpan.o
 
 subdir-ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index 9514cc9e850..5dcade511fd 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -63,7 +63,7 @@ void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len, void *data)
 	msg.msg_iov = (struct iovec *) &iv;
 	msg.msg_iovlen = 1;
 
-	l2cap_chan_send(chan, &msg, total_len, 0);
+	l2cap_chan_send(chan, &msg, total_len);
 
 	kfree(cmd);
 }
@@ -693,18 +693,19 @@ static void a2mp_chan_state_change_cb(struct l2cap_chan *chan, int state,
 }
 
 static struct sk_buff *a2mp_chan_alloc_skb_cb(struct l2cap_chan *chan,
+					      unsigned long hdr_len,
 					      unsigned long len, int nb)
 {
 	struct sk_buff *skb;
 
-	skb = bt_skb_alloc(len, GFP_KERNEL);
+	skb = bt_skb_alloc(hdr_len + len, GFP_KERNEL);
 	if (!skb)
 		return ERR_PTR(-ENOMEM);
 
 	return skb;
 }
 
-static struct l2cap_ops a2mp_chan_ops = {
+static const struct l2cap_ops a2mp_chan_ops = {
 	.name = "L2CAP A2MP channel",
 	.recv = a2mp_chan_recv_cb,
 	.close = a2mp_chan_close_cb,
@@ -719,6 +720,7 @@ static struct l2cap_ops a2mp_chan_ops = {
 	.resume = l2cap_chan_no_resume,
 	.set_shutdown = l2cap_chan_no_set_shutdown,
 	.get_sndtimeo = l2cap_chan_no_get_sndtimeo,
+	.memcpy_fromiovec = l2cap_chan_no_memcpy_fromiovec,
 };
 
 static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn, bool locked)
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 2021c481cdb..4dca0299ed9 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -639,7 +639,7 @@ static int bt_seq_show(struct seq_file *seq, void *v)
 	return 0;
 }
 
-static struct seq_operations bt_seq_ops = {
+static const struct seq_operations bt_seq_ops = {
 	.start = bt_seq_start,
 	.next  = bt_seq_next,
 	.stop  = bt_seq_stop,
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index a7a27bc2c0b..490ee8846d9 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -67,7 +67,7 @@ static void hci_acl_create_connection(struct hci_conn *conn)
 	conn->state = BT_CONNECT;
 	conn->out = true;
 
-	conn->link_mode = HCI_LM_MASTER;
+	set_bit(HCI_CONN_MASTER, &conn->flags);
 
 	conn->attempt++;
 
@@ -136,7 +136,7 @@ void hci_disconnect(struct hci_conn *conn, __u8 reason)
 	hci_send_cmd(conn->hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp);
 }
 
-static void hci_amp_disconn(struct hci_conn *conn, __u8 reason)
+static void hci_amp_disconn(struct hci_conn *conn)
 {
 	struct hci_cp_disconn_phy_link cp;
 
@@ -145,7 +145,7 @@ static void hci_amp_disconn(struct hci_conn *conn, __u8 reason)
 	conn->state = BT_DISCONN;
 
 	cp.phy_handle = HCI_PHY_HANDLE(conn->handle);
-	cp.reason = reason;
+	cp.reason = hci_proto_disconn_ind(conn);
 	hci_send_cmd(conn->hdev, HCI_OP_DISCONN_PHY_LINK,
 		     sizeof(cp), &cp);
 }
@@ -213,14 +213,26 @@ bool hci_setup_sync(struct hci_conn *conn, __u16 handle)
 	return true;
 }
 
-void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
-			u16 latency, u16 to_multiplier)
+u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
+		      u16 to_multiplier)
 {
-	struct hci_cp_le_conn_update cp;
 	struct hci_dev *hdev = conn->hdev;
+	struct hci_conn_params *params;
+	struct hci_cp_le_conn_update cp;
 
-	memset(&cp, 0, sizeof(cp));
+	hci_dev_lock(hdev);
 
+	params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
+	if (params) {
+		params->conn_min_interval = min;
+		params->conn_max_interval = max;
+		params->conn_latency = latency;
+		params->supervision_timeout = to_multiplier;
+	}
+
+	hci_dev_unlock(hdev);
+
+	memset(&cp, 0, sizeof(cp));
 	cp.handle		= cpu_to_le16(conn->handle);
 	cp.conn_interval_min	= cpu_to_le16(min);
 	cp.conn_interval_max	= cpu_to_le16(max);
@@ -230,6 +242,11 @@ void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
 	cp.max_ce_len		= cpu_to_le16(0x0000);
 
 	hci_send_cmd(hdev, HCI_OP_LE_CONN_UPDATE, sizeof(cp), &cp);
+
+	if (params)
+		return 0x01;
+
+	return 0x00;
 }
 
 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
@@ -271,20 +288,6 @@ void hci_sco_setup(struct hci_conn *conn, __u8 status)
 	}
 }
 
-static void hci_conn_disconnect(struct hci_conn *conn)
-{
-	__u8 reason = hci_proto_disconn_ind(conn);
-
-	switch (conn->type) {
-	case AMP_LINK:
-		hci_amp_disconn(conn, reason);
-		break;
-	default:
-		hci_disconnect(conn, reason);
-		break;
-	}
-}
-
 static void hci_conn_timeout(struct work_struct *work)
 {
 	struct hci_conn *conn = container_of(work, struct hci_conn,
@@ -319,7 +322,31 @@ static void hci_conn_timeout(struct work_struct *work)
 		break;
 	case BT_CONFIG:
 	case BT_CONNECTED:
-		hci_conn_disconnect(conn);
+		if (conn->type == AMP_LINK) {
+			hci_amp_disconn(conn);
+		} else {
+			__u8 reason = hci_proto_disconn_ind(conn);
+
+			/* When we are master of an established connection
+			 * and it enters the disconnect timeout, then go
+			 * ahead and try to read the current clock offset.
+			 *
+			 * Processing of the result is done within the
+			 * event handling and hci_clock_offset_evt function.
+			 */
+			if (conn->type == ACL_LINK &&
+			    test_bit(HCI_CONN_MASTER, &conn->flags)) {
+				struct hci_dev *hdev = conn->hdev;
+				struct hci_cp_read_clock_offset cp;
+
+				cp.handle = cpu_to_le16(conn->handle);
+
+				hci_send_cmd(hdev, HCI_OP_READ_CLOCK_OFFSET,
+					     sizeof(cp), &cp);
+			}
+
+			hci_disconnect(conn, reason);
+		}
 		break;
 	default:
 		conn->state = BT_CLOSED;
@@ -336,9 +363,6 @@ static void hci_conn_idle(struct work_struct *work)
 
 	BT_DBG("hcon %p mode %d", conn, conn->mode);
 
-	if (test_bit(HCI_RAW, &hdev->flags))
-		return;
-
 	if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn))
 		return;
 
@@ -529,7 +553,6 @@ struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src)
 
 	list_for_each_entry(d, &hci_dev_list, list) {
 		if (!test_bit(HCI_UP, &d->flags) ||
-		    test_bit(HCI_RAW, &d->flags) ||
 		    test_bit(HCI_USER_CHANNEL, &d->dev_flags) ||
 		    d->dev_type != HCI_BREDR)
 			continue;
@@ -627,7 +650,8 @@ static void hci_req_add_le_create_conn(struct hci_request *req,
 	cp.own_address_type = own_addr_type;
 	cp.conn_interval_min = cpu_to_le16(conn->le_conn_min_interval);
 	cp.conn_interval_max = cpu_to_le16(conn->le_conn_max_interval);
-	cp.supervision_timeout = cpu_to_le16(0x002a);
+	cp.conn_latency = cpu_to_le16(conn->le_conn_latency);
+	cp.supervision_timeout = cpu_to_le16(conn->le_supv_timeout);
 	cp.min_ce_len = cpu_to_le16(0x0000);
 	cp.max_ce_len = cpu_to_le16(0x0000);
 
@@ -644,15 +668,12 @@ static void hci_req_directed_advertising(struct hci_request *req,
 	u8 own_addr_type;
 	u8 enable;
 
-	enable = 0x00;
-	hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
-
-	/* Clear the HCI_ADVERTISING bit temporarily so that the
+	/* Clear the HCI_LE_ADV bit temporarily so that the
 	 * hci_update_random_address knows that it's safe to go ahead
 	 * and write a new random address. The flag will be set back on
 	 * as soon as the SET_ADV_ENABLE HCI command completes.
 	 */
-	clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
+	clear_bit(HCI_LE_ADV, &hdev->dev_flags);
 
 	/* Set require_privacy to false so that the remote device has a
 	 * chance of identifying us.
@@ -676,7 +697,8 @@ static void hci_req_directed_advertising(struct hci_request *req,
 }
 
 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
-				u8 dst_type, u8 sec_level, u8 auth_type)
+				u8 dst_type, u8 sec_level, u16 conn_timeout,
+				bool master)
 {
 	struct hci_conn_params *params;
 	struct hci_conn *conn;
@@ -696,7 +718,6 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 	conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
 	if (conn) {
 		conn->pending_sec_level = sec_level;
-		conn->auth_type = auth_type;
 		goto done;
 	}
 
@@ -733,25 +754,52 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 	conn->dst_type = dst_type;
 	conn->sec_level = BT_SECURITY_LOW;
 	conn->pending_sec_level = sec_level;
-	conn->auth_type = auth_type;
+	conn->conn_timeout = conn_timeout;
 
 	hci_req_init(&req, hdev);
 
-	if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
+	/* Disable advertising if we're active. For master role
+	 * connections most controllers will refuse to connect if
+	 * advertising is enabled, and for slave role connections we
+	 * anyway have to disable it in order to start directed
+	 * advertising.
+	 */
+	if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
+		u8 enable = 0x00;
+		hci_req_add(&req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable),
+			    &enable);
+	}
+
+	/* If requested to connect as slave use directed advertising */
+	if (!master) {
+		/* If we're active scanning most controllers are unable
+		 * to initiate advertising. Simply reject the attempt.
+		 */
+		if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
+		    hdev->le_scan_type == LE_SCAN_ACTIVE) {
+			skb_queue_purge(&req.cmd_q);
+			hci_conn_del(conn);
+			return ERR_PTR(-EBUSY);
+		}
+
 		hci_req_directed_advertising(&req, conn);
 		goto create_conn;
 	}
 
 	conn->out = true;
-	conn->link_mode |= HCI_LM_MASTER;
+	set_bit(HCI_CONN_MASTER, &conn->flags);
 
 	params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
 	if (params) {
 		conn->le_conn_min_interval = params->conn_min_interval;
 		conn->le_conn_max_interval = params->conn_max_interval;
+		conn->le_conn_latency = params->conn_latency;
+		conn->le_supv_timeout = params->supervision_timeout;
 	} else {
 		conn->le_conn_min_interval = hdev->le_conn_min_interval;
 		conn->le_conn_max_interval = hdev->le_conn_max_interval;
+		conn->le_conn_latency = hdev->le_conn_latency;
+		conn->le_supv_timeout = hdev->le_supv_timeout;
 	}
 
 	/* If controller is scanning, we stop it since some controllers are
@@ -865,7 +913,8 @@ int hci_conn_check_link_mode(struct hci_conn *conn)
 			return 0;
 	}
 
-	if (hci_conn_ssp_enabled(conn) && !(conn->link_mode & HCI_LM_ENCRYPT))
+	if (hci_conn_ssp_enabled(conn) &&
+	    !test_bit(HCI_CONN_ENCRYPT, &conn->flags))
 		return 0;
 
 	return 1;
@@ -881,7 +930,7 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 
 	if (sec_level > conn->sec_level)
 		conn->pending_sec_level = sec_level;
-	else if (conn->link_mode & HCI_LM_AUTH)
+	else if (test_bit(HCI_CONN_AUTH, &conn->flags))
 		return 1;
 
 	/* Make sure we preserve an existing MITM requirement*/
@@ -899,7 +948,7 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 		/* If we're already encrypted set the REAUTH_PEND flag,
 		 * otherwise set the ENCRYPT_PEND.
 		 */
-		if (conn->link_mode & HCI_LM_ENCRYPT)
+		if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))
 			set_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
 		else
 			set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
@@ -940,7 +989,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 		return 1;
 
 	/* For other security levels we need the link key. */
-	if (!(conn->link_mode & HCI_LM_AUTH))
+	if (!test_bit(HCI_CONN_AUTH, &conn->flags))
 		goto auth;
 
 	/* An authenticated FIPS approved combination key has sufficient
@@ -980,7 +1029,7 @@ auth:
 		return 0;
 
 encrypt:
-	if (conn->link_mode & HCI_LM_ENCRYPT)
+	if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))
 		return 1;
 
 	hci_conn_encrypt(conn);
@@ -1027,7 +1076,7 @@ int hci_conn_switch_role(struct hci_conn *conn, __u8 role)
 {
 	BT_DBG("hcon %p", conn);
 
-	if (!role && conn->link_mode & HCI_LM_MASTER)
+	if (!role && test_bit(HCI_CONN_MASTER, &conn->flags))
 		return 1;
 
 	if (!test_and_set_bit(HCI_CONN_RSWITCH_PEND, &conn->flags)) {
@@ -1048,9 +1097,6 @@ void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active)
 
 	BT_DBG("hcon %p mode %d", conn, conn->mode);
 
-	if (test_bit(HCI_RAW, &hdev->flags))
-		return;
-
 	if (conn->mode != HCI_CM_SNIFF)
 		goto timer;
 
@@ -1101,6 +1147,28 @@ void hci_conn_check_pending(struct hci_dev *hdev)
 	hci_dev_unlock(hdev);
 }
 
+static u32 get_link_mode(struct hci_conn *conn)
+{
+	u32 link_mode = 0;
+
+	if (test_bit(HCI_CONN_MASTER, &conn->flags))
+		link_mode |= HCI_LM_MASTER;
+
+	if (test_bit(HCI_CONN_ENCRYPT, &conn->flags))
+		link_mode |= HCI_LM_ENCRYPT;
+
+	if (test_bit(HCI_CONN_AUTH, &conn->flags))
+		link_mode |= HCI_LM_AUTH;
+
+	if (test_bit(HCI_CONN_SECURE, &conn->flags))
+		link_mode |= HCI_LM_SECURE;
+
+	if (test_bit(HCI_CONN_FIPS, &conn->flags))
+		link_mode |= HCI_LM_FIPS;
+
+	return link_mode;
+}
+
 int hci_get_conn_list(void __user *arg)
 {
 	struct hci_conn *c;
@@ -1136,7 +1204,7 @@ int hci_get_conn_list(void __user *arg)
 		(ci + n)->type  = c->type;
 		(ci + n)->out   = c->out;
 		(ci + n)->state = c->state;
-		(ci + n)->link_mode = c->link_mode;
+		(ci + n)->link_mode = get_link_mode(c);
 		if (++n >= req.conn_num)
 			break;
 	}
@@ -1172,7 +1240,7 @@ int hci_get_conn_info(struct hci_dev *hdev, void __user *arg)
 		ci.type  = conn->type;
 		ci.out   = conn->out;
 		ci.state = conn->state;
-		ci.link_mode = conn->link_mode;
+		ci.link_mode = get_link_mode(conn);
 	}
 	hci_dev_unlock(hdev);
 
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 0a43cce9a91..84431b86af9 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -35,6 +35,7 @@
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
 #include <net/bluetooth/l2cap.h>
+#include <net/bluetooth/mgmt.h>
 
 #include "smp.h"
 
@@ -68,7 +69,7 @@ static ssize_t dut_mode_read(struct file *file, char __user *user_buf,
 	struct hci_dev *hdev = file->private_data;
 	char buf[3];
 
-	buf[0] = test_bit(HCI_DUT_MODE, &hdev->dev_flags) ? 'Y': 'N';
+	buf[0] = test_bit(HCI_DUT_MODE, &hdev->dbg_flags) ? 'Y': 'N';
 	buf[1] = '\n';
 	buf[2] = '\0';
 	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
@@ -94,7 +95,7 @@ static ssize_t dut_mode_write(struct file *file, const char __user *user_buf,
 	if (strtobool(buf, &enable))
 		return -EINVAL;
 
-	if (enable == test_bit(HCI_DUT_MODE, &hdev->dev_flags))
+	if (enable == test_bit(HCI_DUT_MODE, &hdev->dbg_flags))
 		return -EALREADY;
 
 	hci_req_lock(hdev);
@@ -115,7 +116,7 @@ static ssize_t dut_mode_write(struct file *file, const char __user *user_buf,
 	if (err < 0)
 		return err;
 
-	change_bit(HCI_DUT_MODE, &hdev->dev_flags);
+	change_bit(HCI_DUT_MODE, &hdev->dbg_flags);
 
 	return count;
 }
@@ -190,6 +191,31 @@ static const struct file_operations blacklist_fops = {
 	.release	= single_release,
 };
 
+static int whitelist_show(struct seq_file *f, void *p)
+{
+	struct hci_dev *hdev = f->private;
+	struct bdaddr_list *b;
+
+	hci_dev_lock(hdev);
+	list_for_each_entry(b, &hdev->whitelist, list)
+		seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type);
+	hci_dev_unlock(hdev);
+
+	return 0;
+}
+
+static int whitelist_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, whitelist_show, inode->i_private);
+}
+
+static const struct file_operations whitelist_fops = {
+	.open		= whitelist_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
 static int uuids_show(struct seq_file *f, void *p)
 {
 	struct hci_dev *hdev = f->private;
@@ -352,62 +378,13 @@ static int auto_accept_delay_get(void *data, u64 *val)
 DEFINE_SIMPLE_ATTRIBUTE(auto_accept_delay_fops, auto_accept_delay_get,
 			auto_accept_delay_set, "%llu\n");
 
-static int ssp_debug_mode_set(void *data, u64 val)
-{
-	struct hci_dev *hdev = data;
-	struct sk_buff *skb;
-	__u8 mode;
-	int err;
-
-	if (val != 0 && val != 1)
-		return -EINVAL;
-
-	if (!test_bit(HCI_UP, &hdev->flags))
-		return -ENETDOWN;
-
-	hci_req_lock(hdev);
-	mode = val;
-	skb = __hci_cmd_sync(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, sizeof(mode),
-			     &mode, HCI_CMD_TIMEOUT);
-	hci_req_unlock(hdev);
-
-	if (IS_ERR(skb))
-		return PTR_ERR(skb);
-
-	err = -bt_to_errno(skb->data[0]);
-	kfree_skb(skb);
-
-	if (err < 0)
-		return err;
-
-	hci_dev_lock(hdev);
-	hdev->ssp_debug_mode = val;
-	hci_dev_unlock(hdev);
-
-	return 0;
-}
-
-static int ssp_debug_mode_get(void *data, u64 *val)
-{
-	struct hci_dev *hdev = data;
-
-	hci_dev_lock(hdev);
-	*val = hdev->ssp_debug_mode;
-	hci_dev_unlock(hdev);
-
-	return 0;
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(ssp_debug_mode_fops, ssp_debug_mode_get,
-			ssp_debug_mode_set, "%llu\n");
-
 static ssize_t force_sc_support_read(struct file *file, char __user *user_buf,
 				     size_t count, loff_t *ppos)
 {
 	struct hci_dev *hdev = file->private_data;
 	char buf[3];
 
-	buf[0] = test_bit(HCI_FORCE_SC, &hdev->dev_flags) ? 'Y': 'N';
+	buf[0] = test_bit(HCI_FORCE_SC, &hdev->dbg_flags) ? 'Y': 'N';
 	buf[1] = '\n';
 	buf[2] = '\0';
 	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
@@ -432,10 +409,10 @@ static ssize_t force_sc_support_write(struct file *file,
 	if (strtobool(buf, &enable))
 		return -EINVAL;
 
-	if (enable == test_bit(HCI_FORCE_SC, &hdev->dev_flags))
+	if (enable == test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
 		return -EALREADY;
 
-	change_bit(HCI_FORCE_SC, &hdev->dev_flags);
+	change_bit(HCI_FORCE_SC, &hdev->dbg_flags);
 
 	return count;
 }
@@ -719,7 +696,7 @@ static ssize_t force_static_address_read(struct file *file,
 	struct hci_dev *hdev = file->private_data;
 	char buf[3];
 
-	buf[0] = test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dev_flags) ? 'Y': 'N';
+	buf[0] = test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dbg_flags) ? 'Y': 'N';
 	buf[1] = '\n';
 	buf[2] = '\0';
 	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
@@ -744,10 +721,10 @@ static ssize_t force_static_address_write(struct file *file,
 	if (strtobool(buf, &enable))
 		return -EINVAL;
 
-	if (enable == test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dev_flags))
+	if (enable == test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dbg_flags))
 		return -EALREADY;
 
-	change_bit(HCI_FORCE_STATIC_ADDR, &hdev->dev_flags);
+	change_bit(HCI_FORCE_STATIC_ADDR, &hdev->dbg_flags);
 
 	return count;
 }
@@ -900,177 +877,113 @@ static int conn_max_interval_get(void *data, u64 *val)
 DEFINE_SIMPLE_ATTRIBUTE(conn_max_interval_fops, conn_max_interval_get,
 			conn_max_interval_set, "%llu\n");
 
-static int adv_channel_map_set(void *data, u64 val)
+static int conn_latency_set(void *data, u64 val)
 {
 	struct hci_dev *hdev = data;
 
-	if (val < 0x01 || val > 0x07)
+	if (val > 0x01f3)
 		return -EINVAL;
 
 	hci_dev_lock(hdev);
-	hdev->le_adv_channel_map = val;
+	hdev->le_conn_latency = val;
 	hci_dev_unlock(hdev);
 
 	return 0;
 }
 
-static int adv_channel_map_get(void *data, u64 *val)
+static int conn_latency_get(void *data, u64 *val)
 {
 	struct hci_dev *hdev = data;
 
 	hci_dev_lock(hdev);
-	*val = hdev->le_adv_channel_map;
+	*val = hdev->le_conn_latency;
 	hci_dev_unlock(hdev);
 
 	return 0;
 }
 
-DEFINE_SIMPLE_ATTRIBUTE(adv_channel_map_fops, adv_channel_map_get,
-			adv_channel_map_set, "%llu\n");
+DEFINE_SIMPLE_ATTRIBUTE(conn_latency_fops, conn_latency_get,
+			conn_latency_set, "%llu\n");
 
-static ssize_t lowpan_read(struct file *file, char __user *user_buf,
-			   size_t count, loff_t *ppos)
+static int supervision_timeout_set(void *data, u64 val)
 {
-	struct hci_dev *hdev = file->private_data;
-	char buf[3];
-
-	buf[0] = test_bit(HCI_6LOWPAN_ENABLED, &hdev->dev_flags) ? 'Y' : 'N';
-	buf[1] = '\n';
-	buf[2] = '\0';
-	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
-}
-
-static ssize_t lowpan_write(struct file *fp, const char __user *user_buffer,
-			    size_t count, loff_t *position)
-{
-	struct hci_dev *hdev = fp->private_data;
-	bool enable;
-	char buf[32];
-	size_t buf_size = min(count, (sizeof(buf)-1));
-
-	if (copy_from_user(buf, user_buffer, buf_size))
-		return -EFAULT;
-
-	buf[buf_size] = '\0';
+	struct hci_dev *hdev = data;
 
-	if (strtobool(buf, &enable) < 0)
+	if (val < 0x000a || val > 0x0c80)
 		return -EINVAL;
 
-	if (enable == test_bit(HCI_6LOWPAN_ENABLED, &hdev->dev_flags))
-		return -EALREADY;
-
-	change_bit(HCI_6LOWPAN_ENABLED, &hdev->dev_flags);
+	hci_dev_lock(hdev);
+	hdev->le_supv_timeout = val;
+	hci_dev_unlock(hdev);
 
-	return count;
+	return 0;
 }
 
-static const struct file_operations lowpan_debugfs_fops = {
-	.open		= simple_open,
-	.read		= lowpan_read,
-	.write		= lowpan_write,
-	.llseek		= default_llseek,
-};
-
-static int le_auto_conn_show(struct seq_file *sf, void *ptr)
+static int supervision_timeout_get(void *data, u64 *val)
 {
-	struct hci_dev *hdev = sf->private;
-	struct hci_conn_params *p;
+	struct hci_dev *hdev = data;
 
 	hci_dev_lock(hdev);
-
-	list_for_each_entry(p, &hdev->le_conn_params, list) {
-		seq_printf(sf, "%pMR %u %u\n", &p->addr, p->addr_type,
-			   p->auto_connect);
-	}
-
+	*val = hdev->le_supv_timeout;
 	hci_dev_unlock(hdev);
 
 	return 0;
 }
 
-static int le_auto_conn_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, le_auto_conn_show, inode->i_private);
-}
+DEFINE_SIMPLE_ATTRIBUTE(supervision_timeout_fops, supervision_timeout_get,
+			supervision_timeout_set, "%llu\n");
 
-static ssize_t le_auto_conn_write(struct file *file, const char __user *data,
-				  size_t count, loff_t *offset)
+static int adv_channel_map_set(void *data, u64 val)
 {
-	struct seq_file *sf = file->private_data;
-	struct hci_dev *hdev = sf->private;
-	u8 auto_connect = 0;
-	bdaddr_t addr;
-	u8 addr_type;
-	char *buf;
-	int err = 0;
-	int n;
+	struct hci_dev *hdev = data;
 
-	/* Don't allow partial write */
-	if (*offset != 0)
+	if (val < 0x01 || val > 0x07)
 		return -EINVAL;
 
-	if (count < 3)
-		return -EINVAL;
+	hci_dev_lock(hdev);
+	hdev->le_adv_channel_map = val;
+	hci_dev_unlock(hdev);
 
-	buf = memdup_user(data, count);
-	if (IS_ERR(buf))
-		return PTR_ERR(buf);
+	return 0;
+}
 
-	if (memcmp(buf, "add", 3) == 0) {
-		n = sscanf(&buf[4], "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx %hhu %hhu",
-			   &addr.b[5], &addr.b[4], &addr.b[3], &addr.b[2],
-			   &addr.b[1], &addr.b[0], &addr_type,
-			   &auto_connect);
+static int adv_channel_map_get(void *data, u64 *val)
+{
+	struct hci_dev *hdev = data;
 
-		if (n < 7) {
-			err = -EINVAL;
-			goto done;
-		}
+	hci_dev_lock(hdev);
+	*val = hdev->le_adv_channel_map;
+	hci_dev_unlock(hdev);
 
-		hci_dev_lock(hdev);
-		err = hci_conn_params_add(hdev, &addr, addr_type, auto_connect,
-					  hdev->le_conn_min_interval,
-					  hdev->le_conn_max_interval);
-		hci_dev_unlock(hdev);
+	return 0;
+}
 
-		if (err)
-			goto done;
-	} else if (memcmp(buf, "del", 3) == 0) {
-		n = sscanf(&buf[4], "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx %hhu",
-			   &addr.b[5], &addr.b[4], &addr.b[3], &addr.b[2],
-			   &addr.b[1], &addr.b[0], &addr_type);
+DEFINE_SIMPLE_ATTRIBUTE(adv_channel_map_fops, adv_channel_map_get,
+			adv_channel_map_set, "%llu\n");
 
-		if (n < 7) {
-			err = -EINVAL;
-			goto done;
-		}
+static int device_list_show(struct seq_file *f, void *ptr)
+{
+	struct hci_dev *hdev = f->private;
+	struct hci_conn_params *p;
 
-		hci_dev_lock(hdev);
-		hci_conn_params_del(hdev, &addr, addr_type);
-		hci_dev_unlock(hdev);
-	} else if (memcmp(buf, "clr", 3) == 0) {
-		hci_dev_lock(hdev);
-		hci_conn_params_clear(hdev);
-		hci_pend_le_conns_clear(hdev);
-		hci_update_background_scan(hdev);
-		hci_dev_unlock(hdev);
-	} else {
-		err = -EINVAL;
+	hci_dev_lock(hdev);
+	list_for_each_entry(p, &hdev->le_conn_params, list) {
+		seq_printf(f, "%pMR %u %u\n", &p->addr, p->addr_type,
+			   p->auto_connect);
 	}
+	hci_dev_unlock(hdev);
 
-done:
-	kfree(buf);
+	return 0;
+}
 
-	if (err)
-		return err;
-	else
-		return count;
+static int device_list_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, device_list_show, inode->i_private);
 }
 
-static const struct file_operations le_auto_conn_fops = {
-	.open		= le_auto_conn_open,
+static const struct file_operations device_list_fops = {
+	.open		= device_list_open,
 	.read		= seq_read,
-	.write		= le_auto_conn_write,
 	.llseek		= seq_lseek,
 	.release	= single_release,
 };
@@ -1549,13 +1462,6 @@ static void hci_setup_event_mask(struct hci_request *req)
 		events[7] |= 0x20;	/* LE Meta-Event */
 
 	hci_req_add(req, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
-
-	if (lmp_le_capable(hdev)) {
-		memset(events, 0, sizeof(events));
-		events[0] = 0x1f;
-		hci_req_add(req, HCI_OP_LE_SET_EVENT_MASK,
-			    sizeof(events), events);
-	}
 }
 
 static void hci_init2_req(struct hci_request *req, unsigned long opt)
@@ -1688,7 +1594,7 @@ static void hci_set_event_mask_page_2(struct hci_request *req)
 	}
 
 	/* Enable Authenticated Payload Timeout Expired event if supported */
-	if (lmp_ping_capable(hdev))
+	if (lmp_ping_capable(hdev) || hdev->le_features[0] & HCI_LE_PING)
 		events[2] |= 0x80;
 
 	hci_req_add(req, HCI_OP_SET_EVENT_MASK_PAGE_2, sizeof(events), events);
@@ -1725,8 +1631,25 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt)
 	if (hdev->commands[5] & 0x10)
 		hci_setup_link_policy(req);
 
-	if (lmp_le_capable(hdev))
+	if (lmp_le_capable(hdev)) {
+		u8 events[8];
+
+		memset(events, 0, sizeof(events));
+		events[0] = 0x1f;
+
+		/* If controller supports the Connection Parameters Request
+		 * Link Layer Procedure, enable the corresponding event.
+		 */
+		if (hdev->le_features[0] & HCI_LE_CONN_PARAM_REQ_PROC)
+			events[0] |= 0x20;	/* LE Remote Connection
+						 * Parameter Request
+						 */
+
+		hci_req_add(req, HCI_OP_LE_SET_EVENT_MASK, sizeof(events),
+			    events);
+
 		hci_set_le_support(req);
+	}
 
 	/* Read features beyond page 1 if available */
 	for (p = 2; p < HCI_MAX_PAGES && p <= hdev->max_page; p++) {
@@ -1752,7 +1675,7 @@ static void hci_init4_req(struct hci_request *req, unsigned long opt)
 
 	/* Enable Secure Connections if supported and configured */
 	if ((lmp_sc_capable(hdev) ||
-	     test_bit(HCI_FORCE_SC, &hdev->dev_flags)) &&
+	     test_bit(HCI_FORCE_SC, &hdev->dbg_flags)) &&
 	    test_bit(HCI_SC_ENABLED, &hdev->dev_flags)) {
 		u8 support = 0x01;
 		hci_req_add(req, HCI_OP_WRITE_SC_SUPPORT,
@@ -1809,6 +1732,8 @@ static int __hci_init(struct hci_dev *hdev)
 	debugfs_create_u16("hci_revision", 0444, hdev->debugfs, &hdev->hci_rev);
 	debugfs_create_file("blacklist", 0444, hdev->debugfs, hdev,
 			    &blacklist_fops);
+	debugfs_create_file("whitelist", 0444, hdev->debugfs, hdev,
+			    &whitelist_fops);
 	debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops);
 
 	debugfs_create_file("conn_info_min_age", 0644, hdev->debugfs, hdev,
@@ -1830,8 +1755,6 @@ static int __hci_init(struct hci_dev *hdev)
 	if (lmp_ssp_capable(hdev)) {
 		debugfs_create_file("auto_accept_delay", 0644, hdev->debugfs,
 				    hdev, &auto_accept_delay_fops);
-		debugfs_create_file("ssp_debug_mode", 0644, hdev->debugfs,
-				    hdev, &ssp_debug_mode_fops);
 		debugfs_create_file("force_sc_support", 0644, hdev->debugfs,
 				    hdev, &force_sc_support_fops);
 		debugfs_create_file("sc_only_mode", 0444, hdev->debugfs,
@@ -1879,12 +1802,14 @@ static int __hci_init(struct hci_dev *hdev)
 				    hdev, &conn_min_interval_fops);
 		debugfs_create_file("conn_max_interval", 0644, hdev->debugfs,
 				    hdev, &conn_max_interval_fops);
+		debugfs_create_file("conn_latency", 0644, hdev->debugfs,
+				    hdev, &conn_latency_fops);
+		debugfs_create_file("supervision_timeout", 0644, hdev->debugfs,
+				    hdev, &supervision_timeout_fops);
 		debugfs_create_file("adv_channel_map", 0644, hdev->debugfs,
 				    hdev, &adv_channel_map_fops);
-		debugfs_create_file("6lowpan", 0644, hdev->debugfs, hdev,
-				    &lowpan_debugfs_fops);
-		debugfs_create_file("le_auto_conn", 0644, hdev->debugfs, hdev,
-				    &le_auto_conn_fops);
+		debugfs_create_file("device_list", 0444, hdev->debugfs, hdev,
+				    &device_list_fops);
 		debugfs_create_u16("discov_interleaved_timeout", 0644,
 				   hdev->debugfs,
 				   &hdev->discov_interleaved_timeout);
@@ -1893,6 +1818,38 @@ static int __hci_init(struct hci_dev *hdev)
 	return 0;
 }
 
+static void hci_init0_req(struct hci_request *req, unsigned long opt)
+{
+	struct hci_dev *hdev = req->hdev;
+
+	BT_DBG("%s %ld", hdev->name, opt);
+
+	/* Reset */
+	if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks))
+		hci_reset_req(req, 0);
+
+	/* Read Local Version */
+	hci_req_add(req, HCI_OP_READ_LOCAL_VERSION, 0, NULL);
+
+	/* Read BD Address */
+	if (hdev->set_bdaddr)
+		hci_req_add(req, HCI_OP_READ_BD_ADDR, 0, NULL);
+}
+
+static int __hci_unconf_init(struct hci_dev *hdev)
+{
+	int err;
+
+	if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
+		return 0;
+
+	err = __hci_req_sync(hdev, hci_init0_req, 0, HCI_INIT_TIMEOUT);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
 static void hci_scan_req(struct hci_request *req, unsigned long opt)
 {
 	__u8 scan = opt;
@@ -1973,16 +1930,20 @@ bool hci_discovery_active(struct hci_dev *hdev)
 
 void hci_discovery_set_state(struct hci_dev *hdev, int state)
 {
+	int old_state = hdev->discovery.state;
+
 	BT_DBG("%s state %u -> %u", hdev->name, hdev->discovery.state, state);
 
-	if (hdev->discovery.state == state)
+	if (old_state == state)
 		return;
 
+	hdev->discovery.state = state;
+
 	switch (state) {
 	case DISCOVERY_STOPPED:
 		hci_update_background_scan(hdev);
 
-		if (hdev->discovery.state != DISCOVERY_STARTING)
+		if (old_state != DISCOVERY_STARTING)
 			mgmt_discovering(hdev, 0);
 		break;
 	case DISCOVERY_STARTING:
@@ -1995,8 +1956,6 @@ void hci_discovery_set_state(struct hci_dev *hdev, int state)
 	case DISCOVERY_STOPPING:
 		break;
 	}
-
-	hdev->discovery.state = state;
 }
 
 void hci_inquiry_cache_flush(struct hci_dev *hdev)
@@ -2083,22 +2042,24 @@ void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
 	list_add(&ie->list, pos);
 }
 
-bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
-			      bool name_known, bool *ssp)
+u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
+			     bool name_known)
 {
 	struct discovery_state *cache = &hdev->discovery;
 	struct inquiry_entry *ie;
+	u32 flags = 0;
 
 	BT_DBG("cache %p, %pMR", cache, &data->bdaddr);
 
 	hci_remove_remote_oob_data(hdev, &data->bdaddr);
 
-	*ssp = data->ssp_mode;
+	if (!data->ssp_mode)
+		flags |= MGMT_DEV_FOUND_LEGACY_PAIRING;
 
 	ie = hci_inquiry_cache_lookup(hdev, &data->bdaddr);
 	if (ie) {
-		if (ie->data.ssp_mode)
-			*ssp = true;
+		if (!ie->data.ssp_mode)
+			flags |= MGMT_DEV_FOUND_LEGACY_PAIRING;
 
 		if (ie->name_state == NAME_NEEDED &&
 		    data->rssi != ie->data.rssi) {
@@ -2111,8 +2072,10 @@ bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
 
 	/* Entry not in the cache. Add new one. */
 	ie = kzalloc(sizeof(struct inquiry_entry), GFP_ATOMIC);
-	if (!ie)
-		return false;
+	if (!ie) {
+		flags |= MGMT_DEV_FOUND_CONFIRM_NAME;
+		goto done;
+	}
 
 	list_add(&ie->all, &cache->all);
 
@@ -2135,9 +2098,10 @@ update:
 	cache->timestamp = jiffies;
 
 	if (ie->name_state == NAME_NOT_KNOWN)
-		return false;
+		flags |= MGMT_DEV_FOUND_CONFIRM_NAME;
 
-	return true;
+done:
+	return flags;
 }
 
 static int inquiry_cache_dump(struct hci_dev *hdev, int num, __u8 *buf)
@@ -2213,6 +2177,11 @@ int hci_inquiry(void __user *arg)
 		goto done;
 	}
 
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
+		err = -EOPNOTSUPP;
+		goto done;
+	}
+
 	if (hdev->dev_type != HCI_BREDR) {
 		err = -EOPNOTSUPP;
 		goto done;
@@ -2295,7 +2264,8 @@ static int hci_dev_do_open(struct hci_dev *hdev)
 		goto done;
 	}
 
-	if (!test_bit(HCI_SETUP, &hdev->dev_flags)) {
+	if (!test_bit(HCI_SETUP, &hdev->dev_flags) &&
+	    !test_bit(HCI_CONFIG, &hdev->dev_flags)) {
 		/* Check for rfkill but allow the HCI setup stage to
 		 * proceed (which in itself doesn't cause any RF activity).
 		 */
@@ -2338,14 +2308,47 @@ static int hci_dev_do_open(struct hci_dev *hdev)
 	atomic_set(&hdev->cmd_cnt, 1);
 	set_bit(HCI_INIT, &hdev->flags);
 
-	if (hdev->setup && test_bit(HCI_SETUP, &hdev->dev_flags))
-		ret = hdev->setup(hdev);
+	if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
+		if (hdev->setup)
+			ret = hdev->setup(hdev);
 
-	if (!ret) {
-		if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
-			set_bit(HCI_RAW, &hdev->flags);
+		/* The transport driver can set these quirks before
+		 * creating the HCI device or in its setup callback.
+		 *
+		 * In case any of them is set, the controller has to
+		 * start up as unconfigured.
+		 */
+		if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
+		    test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks))
+			set_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
 
-		if (!test_bit(HCI_RAW, &hdev->flags) &&
+		/* For an unconfigured controller it is required to
+		 * read at least the version information provided by
+		 * the Read Local Version Information command.
+		 *
+		 * If the set_bdaddr driver callback is provided, then
+		 * also the original Bluetooth public device address
+		 * will be read using the Read BD Address command.
+		 */
+		if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
+			ret = __hci_unconf_init(hdev);
+	}
+
+	if (test_bit(HCI_CONFIG, &hdev->dev_flags)) {
+		/* If public address change is configured, ensure that
+		 * the address gets programmed. If the driver does not
+		 * support changing the public address, fail the power
+		 * on procedure.
+		 */
+		if (bacmp(&hdev->public_addr, BDADDR_ANY) &&
+		    hdev->set_bdaddr)
+			ret = hdev->set_bdaddr(hdev, &hdev->public_addr);
+		else
+			ret = -EADDRNOTAVAIL;
+	}
+
+	if (!ret) {
+		if (!test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
 		    !test_bit(HCI_USER_CHANNEL, &hdev->dev_flags))
 			ret = __hci_init(hdev);
 	}
@@ -2358,6 +2361,8 @@ static int hci_dev_do_open(struct hci_dev *hdev)
 		set_bit(HCI_UP, &hdev->flags);
 		hci_notify(hdev, HCI_DEV_UP);
 		if (!test_bit(HCI_SETUP, &hdev->dev_flags) &&
+		    !test_bit(HCI_CONFIG, &hdev->dev_flags) &&
+		    !test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
 		    !test_bit(HCI_USER_CHANNEL, &hdev->dev_flags) &&
 		    hdev->dev_type == HCI_BREDR) {
 			hci_dev_lock(hdev);
@@ -2382,7 +2387,7 @@ static int hci_dev_do_open(struct hci_dev *hdev)
 		}
 
 		hdev->close(hdev);
-		hdev->flags = 0;
+		hdev->flags &= BIT(HCI_RAW);
 	}
 
 done:
@@ -2401,6 +2406,21 @@ int hci_dev_open(__u16 dev)
 	if (!hdev)
 		return -ENODEV;
 
+	/* Devices that are marked as unconfigured can only be powered
+	 * up as user channel. Trying to bring them up as normal devices
+	 * will result into a failure. Only user channel operation is
+	 * possible.
+	 *
+	 * When this function is called for a user channel, the flag
+	 * HCI_USER_CHANNEL will be set first before attempting to
+	 * open the device.
+	 */
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
+	    !test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
+		err = -EOPNOTSUPP;
+		goto done;
+	}
+
 	/* We need to ensure that no other power on/off work is pending
 	 * before proceeding to call hci_dev_do_open. This is
 	 * particularly important if the setup procedure has not yet
@@ -2417,11 +2437,22 @@ int hci_dev_open(__u16 dev)
 
 	err = hci_dev_do_open(hdev);
 
+done:
 	hci_dev_put(hdev);
-
 	return err;
 }
 
+/* This function requires the caller holds hdev->lock */
+static void hci_pend_le_actions_clear(struct hci_dev *hdev)
+{
+	struct hci_conn_params *p;
+
+	list_for_each_entry(p, &hdev->le_conn_params, list)
+		list_del_init(&p->action);
+
+	BT_DBG("All LE pending actions cleared");
+}
+
 static int hci_dev_do_close(struct hci_dev *hdev)
 {
 	BT_DBG("%s %p", hdev->name, hdev);
@@ -2432,7 +2463,7 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 	hci_req_lock(hdev);
 
 	if (!test_and_clear_bit(HCI_UP, &hdev->flags)) {
-		del_timer_sync(&hdev->cmd_timer);
+		cancel_delayed_work_sync(&hdev->cmd_timer);
 		hci_req_unlock(hdev);
 		return 0;
 	}
@@ -2459,7 +2490,7 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 	hci_dev_lock(hdev);
 	hci_inquiry_cache_flush(hdev);
 	hci_conn_hash_flush(hdev);
-	hci_pend_le_conns_clear(hdev);
+	hci_pend_le_actions_clear(hdev);
 	hci_dev_unlock(hdev);
 
 	hci_notify(hdev, HCI_DEV_DOWN);
@@ -2470,8 +2501,8 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 	/* Reset device */
 	skb_queue_purge(&hdev->cmd_q);
 	atomic_set(&hdev->cmd_cnt, 1);
-	if (!test_bit(HCI_RAW, &hdev->flags) &&
-	    !test_bit(HCI_AUTO_OFF, &hdev->dev_flags) &&
+	if (!test_bit(HCI_AUTO_OFF, &hdev->dev_flags) &&
+	    !test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
 	    test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) {
 		set_bit(HCI_INIT, &hdev->flags);
 		__hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT);
@@ -2488,7 +2519,7 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 
 	/* Drop last sent command */
 	if (hdev->sent_cmd) {
-		del_timer_sync(&hdev->cmd_timer);
+		cancel_delayed_work_sync(&hdev->cmd_timer);
 		kfree_skb(hdev->sent_cmd);
 		hdev->sent_cmd = NULL;
 	}
@@ -2501,7 +2532,7 @@ static int hci_dev_do_close(struct hci_dev *hdev)
 	hdev->close(hdev);
 
 	/* Clear flags */
-	hdev->flags = 0;
+	hdev->flags &= BIT(HCI_RAW);
 	hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
 
 	if (!test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
@@ -2570,6 +2601,11 @@ int hci_dev_reset(__u16 dev)
 		goto done;
 	}
 
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
+		ret = -EOPNOTSUPP;
+		goto done;
+	}
+
 	/* Drop queues */
 	skb_queue_purge(&hdev->rx_q);
 	skb_queue_purge(&hdev->cmd_q);
@@ -2585,8 +2621,7 @@ int hci_dev_reset(__u16 dev)
 	atomic_set(&hdev->cmd_cnt, 1);
 	hdev->acl_cnt = 0; hdev->sco_cnt = 0; hdev->le_cnt = 0;
 
-	if (!test_bit(HCI_RAW, &hdev->flags))
-		ret = __hci_req_sync(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT);
+	ret = __hci_req_sync(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT);
 
 done:
 	hci_req_unlock(hdev);
@@ -2608,6 +2643,11 @@ int hci_dev_reset_stat(__u16 dev)
 		goto done;
 	}
 
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
+		ret = -EOPNOTSUPP;
+		goto done;
+	}
+
 	memset(&hdev->stat, 0, sizeof(struct hci_dev_stats));
 
 done:
@@ -2633,6 +2673,11 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg)
 		goto done;
 	}
 
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
+		err = -EOPNOTSUPP;
+		goto done;
+	}
+
 	if (hdev->dev_type != HCI_BREDR) {
 		err = -EOPNOTSUPP;
 		goto done;
@@ -2670,6 +2715,23 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg)
 	case HCISETSCAN:
 		err = hci_req_sync(hdev, hci_scan_req, dr.dev_opt,
 				   HCI_INIT_TIMEOUT);
+
+		/* Ensure that the connectable state gets correctly
+		 * notified if the whitelist is in use.
+		 */
+		if (!err && !list_empty(&hdev->whitelist)) {
+			bool changed;
+
+			if ((dr.dev_opt & SCAN_PAGE))
+				changed = !test_and_set_bit(HCI_CONNECTABLE,
+							    &hdev->dev_flags);
+			else
+				changed = test_and_set_bit(HCI_CONNECTABLE,
+							   &hdev->dev_flags);
+
+			if (changed)
+				mgmt_new_settings(hdev);
+		}
 		break;
 
 	case HCISETLINKPOL:
@@ -2815,7 +2877,8 @@ static int hci_rfkill_set_block(void *data, bool blocked)
 
 	if (blocked) {
 		set_bit(HCI_RFKILLED, &hdev->dev_flags);
-		if (!test_bit(HCI_SETUP, &hdev->dev_flags))
+		if (!test_bit(HCI_SETUP, &hdev->dev_flags) &&
+		    !test_bit(HCI_CONFIG, &hdev->dev_flags))
 			hci_dev_do_close(hdev);
 	} else {
 		clear_bit(HCI_RFKILLED, &hdev->dev_flags);
@@ -2846,6 +2909,7 @@ static void hci_power_on(struct work_struct *work)
 	 * valid, it is important to turn the device back off.
 	 */
 	if (test_bit(HCI_RFKILLED, &hdev->dev_flags) ||
+	    test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) ||
 	    (hdev->dev_type == HCI_BREDR &&
 	     !bacmp(&hdev->bdaddr, BDADDR_ANY) &&
 	     !bacmp(&hdev->static_addr, BDADDR_ANY))) {
@@ -2856,8 +2920,34 @@ static void hci_power_on(struct work_struct *work)
 				   HCI_AUTO_OFF_TIMEOUT);
 	}
 
-	if (test_and_clear_bit(HCI_SETUP, &hdev->dev_flags))
+	if (test_and_clear_bit(HCI_SETUP, &hdev->dev_flags)) {
+		/* For unconfigured devices, set the HCI_RAW flag
+		 * so that userspace can easily identify them.
+		 */
+		if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
+			set_bit(HCI_RAW, &hdev->flags);
+
+		/* For fully configured devices, this will send
+		 * the Index Added event. For unconfigured devices,
+		 * it will send Unconfigued Index Added event.
+		 *
+		 * Devices with HCI_QUIRK_RAW_DEVICE are ignored
+		 * and no event will be send.
+		 */
 		mgmt_index_added(hdev);
+	} else if (test_and_clear_bit(HCI_CONFIG, &hdev->dev_flags)) {
+		/* When the controller is now configured, then it
+		 * is important to clear the HCI_RAW flag.
+		 */
+		if (!test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
+			clear_bit(HCI_RAW, &hdev->flags);
+
+		/* Powering on the controller with HCI_CONFIG set only
+		 * happens with the transition from unconfigured to
+		 * configured. This will send the Index Added event.
+		 */
+		mgmt_index_added(hdev);
+	}
 }
 
 static void hci_power_off(struct work_struct *work)
@@ -2974,10 +3064,7 @@ static bool hci_persistent_key(struct hci_dev *hdev, struct hci_conn *conn,
 
 static bool ltk_type_master(u8 type)
 {
-	if (type == HCI_SMP_STK || type == HCI_SMP_LTK)
-		return true;
-
-	return false;
+	return (type == SMP_LTK);
 }
 
 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, __le64 rand,
@@ -3049,12 +3136,12 @@ struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
 	return NULL;
 }
 
-int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
-		     bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len)
+struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
+				  bdaddr_t *bdaddr, u8 *val, u8 type,
+				  u8 pin_len, bool *persistent)
 {
 	struct link_key *key, *old_key;
 	u8 old_key_type;
-	bool persistent;
 
 	old_key = hci_find_link_key(hdev, bdaddr);
 	if (old_key) {
@@ -3064,7 +3151,7 @@ int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
 		old_key_type = conn ? conn->key_type : 0xff;
 		key = kzalloc(sizeof(*key), GFP_KERNEL);
 		if (!key)
-			return -ENOMEM;
+			return NULL;
 		list_add(&key->list, &hdev->link_keys);
 	}
 
@@ -3089,17 +3176,11 @@ int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
 	else
 		key->type = type;
 
-	if (!new_key)
-		return 0;
+	if (persistent)
+		*persistent = hci_persistent_key(hdev, conn, type,
+						 old_key_type);
 
-	persistent = hci_persistent_key(hdev, conn, type, old_key_type);
-
-	mgmt_new_link_key(hdev, key, persistent);
-
-	if (conn)
-		conn->flush_key = !persistent;
-
-	return 0;
+	return key;
 }
 
 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
@@ -3205,9 +3286,10 @@ void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type)
 }
 
 /* HCI command timer function */
-static void hci_cmd_timeout(unsigned long arg)
+static void hci_cmd_timeout(struct work_struct *work)
 {
-	struct hci_dev *hdev = (void *) arg;
+	struct hci_dev *hdev = container_of(work, struct hci_dev,
+					    cmd_timer.work);
 
 	if (hdev->sent_cmd) {
 		struct hci_command_hdr *sent = (void *) hdev->sent_cmd->data;
@@ -3313,12 +3395,12 @@ int hci_add_remote_oob_ext_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
 	return 0;
 }
 
-struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
+struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *bdaddr_list,
 					 bdaddr_t *bdaddr, u8 type)
 {
 	struct bdaddr_list *b;
 
-	list_for_each_entry(b, &hdev->blacklist, list) {
+	list_for_each_entry(b, bdaddr_list, list) {
 		if (!bacmp(&b->bdaddr, bdaddr) && b->bdaddr_type == type)
 			return b;
 	}
@@ -3326,11 +3408,11 @@ struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
 	return NULL;
 }
 
-static void hci_blacklist_clear(struct hci_dev *hdev)
+void hci_bdaddr_list_clear(struct list_head *bdaddr_list)
 {
 	struct list_head *p, *n;
 
-	list_for_each_safe(p, n, &hdev->blacklist) {
+	list_for_each_safe(p, n, bdaddr_list) {
 		struct bdaddr_list *b = list_entry(p, struct bdaddr_list, list);
 
 		list_del(p);
@@ -3338,14 +3420,14 @@ static void hci_blacklist_clear(struct hci_dev *hdev)
 	}
 }
 
-int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
+int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type)
 {
 	struct bdaddr_list *entry;
 
 	if (!bacmp(bdaddr, BDADDR_ANY))
 		return -EBADF;
 
-	if (hci_blacklist_lookup(hdev, bdaddr, type))
+	if (hci_bdaddr_list_lookup(list, bdaddr, type))
 		return -EEXIST;
 
 	entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
@@ -3355,82 +3437,21 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
 	bacpy(&entry->bdaddr, bdaddr);
 	entry->bdaddr_type = type;
 
-	list_add(&entry->list, &hdev->blacklist);
+	list_add(&entry->list, list);
 
-	return mgmt_device_blocked(hdev, bdaddr, type);
+	return 0;
 }
 
-int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
+int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type)
 {
 	struct bdaddr_list *entry;
 
 	if (!bacmp(bdaddr, BDADDR_ANY)) {
-		hci_blacklist_clear(hdev);
+		hci_bdaddr_list_clear(list);
 		return 0;
 	}
 
-	entry = hci_blacklist_lookup(hdev, bdaddr, type);
-	if (!entry)
-		return -ENOENT;
-
-	list_del(&entry->list);
-	kfree(entry);
-
-	return mgmt_device_unblocked(hdev, bdaddr, type);
-}
-
-struct bdaddr_list *hci_white_list_lookup(struct hci_dev *hdev,
-					  bdaddr_t *bdaddr, u8 type)
-{
-	struct bdaddr_list *b;
-
-	list_for_each_entry(b, &hdev->le_white_list, list) {
-		if (!bacmp(&b->bdaddr, bdaddr) && b->bdaddr_type == type)
-			return b;
-	}
-
-	return NULL;
-}
-
-void hci_white_list_clear(struct hci_dev *hdev)
-{
-	struct list_head *p, *n;
-
-	list_for_each_safe(p, n, &hdev->le_white_list) {
-		struct bdaddr_list *b = list_entry(p, struct bdaddr_list, list);
-
-		list_del(p);
-		kfree(b);
-	}
-}
-
-int hci_white_list_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
-{
-	struct bdaddr_list *entry;
-
-	if (!bacmp(bdaddr, BDADDR_ANY))
-		return -EBADF;
-
-	entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
-	if (!entry)
-		return -ENOMEM;
-
-	bacpy(&entry->bdaddr, bdaddr);
-	entry->bdaddr_type = type;
-
-	list_add(&entry->list, &hdev->le_white_list);
-
-	return 0;
-}
-
-int hci_white_list_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
-{
-	struct bdaddr_list *entry;
-
-	if (!bacmp(bdaddr, BDADDR_ANY))
-		return -EBADF;
-
-	entry = hci_white_list_lookup(hdev, bdaddr, type);
+	entry = hci_bdaddr_list_lookup(list, bdaddr, type);
 	if (!entry)
 		return -ENOENT;
 
@@ -3446,6 +3467,10 @@ struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
 {
 	struct hci_conn_params *params;
 
+	/* The conn params list only contains identity addresses */
+	if (!hci_is_identity_address(addr, addr_type))
+		return NULL;
+
 	list_for_each_entry(params, &hdev->le_conn_params, list) {
 		if (bacmp(&params->addr, addr) == 0 &&
 		    params->addr_type == addr_type) {
@@ -3473,62 +3498,97 @@ static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
 	return true;
 }
 
-static bool is_identity_address(bdaddr_t *addr, u8 addr_type)
+/* This function requires the caller holds hdev->lock */
+struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
+						  bdaddr_t *addr, u8 addr_type)
 {
-	if (addr_type == ADDR_LE_DEV_PUBLIC)
-		return true;
+	struct hci_conn_params *param;
 
-	/* Check for Random Static address type */
-	if ((addr->b[5] & 0xc0) == 0xc0)
-		return true;
+	/* The list only contains identity addresses */
+	if (!hci_is_identity_address(addr, addr_type))
+		return NULL;
 
-	return false;
+	list_for_each_entry(param, list, action) {
+		if (bacmp(&param->addr, addr) == 0 &&
+		    param->addr_type == addr_type)
+			return param;
+	}
+
+	return NULL;
 }
 
 /* This function requires the caller holds hdev->lock */
-int hci_conn_params_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type,
-			u8 auto_connect, u16 conn_min_interval,
-			u16 conn_max_interval)
+struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
+					    bdaddr_t *addr, u8 addr_type)
 {
 	struct hci_conn_params *params;
 
-	if (!is_identity_address(addr, addr_type))
-		return -EINVAL;
+	if (!hci_is_identity_address(addr, addr_type))
+		return NULL;
 
 	params = hci_conn_params_lookup(hdev, addr, addr_type);
 	if (params)
-		goto update;
+		return params;
 
 	params = kzalloc(sizeof(*params), GFP_KERNEL);
 	if (!params) {
 		BT_ERR("Out of memory");
-		return -ENOMEM;
+		return NULL;
 	}
 
 	bacpy(&params->addr, addr);
 	params->addr_type = addr_type;
 
 	list_add(&params->list, &hdev->le_conn_params);
+	INIT_LIST_HEAD(&params->action);
 
-update:
-	params->conn_min_interval = conn_min_interval;
-	params->conn_max_interval = conn_max_interval;
-	params->auto_connect = auto_connect;
+	params->conn_min_interval = hdev->le_conn_min_interval;
+	params->conn_max_interval = hdev->le_conn_max_interval;
+	params->conn_latency = hdev->le_conn_latency;
+	params->supervision_timeout = hdev->le_supv_timeout;
+	params->auto_connect = HCI_AUTO_CONN_DISABLED;
+
+	BT_DBG("addr %pMR (type %u)", addr, addr_type);
+
+	return params;
+}
+
+/* This function requires the caller holds hdev->lock */
+int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type,
+			u8 auto_connect)
+{
+	struct hci_conn_params *params;
+
+	params = hci_conn_params_add(hdev, addr, addr_type);
+	if (!params)
+		return -EIO;
+
+	if (params->auto_connect == auto_connect)
+		return 0;
+
+	list_del_init(&params->action);
 
 	switch (auto_connect) {
 	case HCI_AUTO_CONN_DISABLED:
 	case HCI_AUTO_CONN_LINK_LOSS:
-		hci_pend_le_conn_del(hdev, addr, addr_type);
+		hci_update_background_scan(hdev);
+		break;
+	case HCI_AUTO_CONN_REPORT:
+		list_add(&params->action, &hdev->pend_le_reports);
+		hci_update_background_scan(hdev);
 		break;
 	case HCI_AUTO_CONN_ALWAYS:
-		if (!is_connected(hdev, addr, addr_type))
-			hci_pend_le_conn_add(hdev, addr, addr_type);
+		if (!is_connected(hdev, addr, addr_type)) {
+			list_add(&params->action, &hdev->pend_le_conns);
+			hci_update_background_scan(hdev);
+		}
 		break;
 	}
 
-	BT_DBG("addr %pMR (type %u) auto_connect %u conn_min_interval 0x%.4x "
-	       "conn_max_interval 0x%.4x", addr, addr_type, auto_connect,
-	       conn_min_interval, conn_max_interval);
+	params->auto_connect = auto_connect;
+
+	BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
+	       auto_connect);
 
 	return 0;
 }
@@ -3542,97 +3602,44 @@ void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type)
 	if (!params)
 		return;
 
-	hci_pend_le_conn_del(hdev, addr, addr_type);
-
+	list_del(&params->action);
 	list_del(&params->list);
 	kfree(params);
 
+	hci_update_background_scan(hdev);
+
 	BT_DBG("addr %pMR (type %u)", addr, addr_type);
 }
 
 /* This function requires the caller holds hdev->lock */
-void hci_conn_params_clear(struct hci_dev *hdev)
+void hci_conn_params_clear_disabled(struct hci_dev *hdev)
 {
 	struct hci_conn_params *params, *tmp;
 
 	list_for_each_entry_safe(params, tmp, &hdev->le_conn_params, list) {
+		if (params->auto_connect != HCI_AUTO_CONN_DISABLED)
+			continue;
 		list_del(&params->list);
 		kfree(params);
 	}
 
-	BT_DBG("All LE connection parameters were removed");
+	BT_DBG("All LE disabled connection parameters were removed");
 }
 
 /* This function requires the caller holds hdev->lock */
-struct bdaddr_list *hci_pend_le_conn_lookup(struct hci_dev *hdev,
-					    bdaddr_t *addr, u8 addr_type)
+void hci_conn_params_clear_all(struct hci_dev *hdev)
 {
-	struct bdaddr_list *entry;
-
-	list_for_each_entry(entry, &hdev->pend_le_conns, list) {
-		if (bacmp(&entry->bdaddr, addr) == 0 &&
-		    entry->bdaddr_type == addr_type)
-			return entry;
-	}
-
-	return NULL;
-}
-
-/* This function requires the caller holds hdev->lock */
-void hci_pend_le_conn_add(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type)
-{
-	struct bdaddr_list *entry;
-
-	entry = hci_pend_le_conn_lookup(hdev, addr, addr_type);
-	if (entry)
-		goto done;
+	struct hci_conn_params *params, *tmp;
 
-	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
-	if (!entry) {
-		BT_ERR("Out of memory");
-		return;
+	list_for_each_entry_safe(params, tmp, &hdev->le_conn_params, list) {
+		list_del(&params->action);
+		list_del(&params->list);
+		kfree(params);
 	}
 
-	bacpy(&entry->bdaddr, addr);
-	entry->bdaddr_type = addr_type;
-
-	list_add(&entry->list, &hdev->pend_le_conns);
-
-	BT_DBG("addr %pMR (type %u)", addr, addr_type);
-
-done:
 	hci_update_background_scan(hdev);
-}
 
-/* This function requires the caller holds hdev->lock */
-void hci_pend_le_conn_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type)
-{
-	struct bdaddr_list *entry;
-
-	entry = hci_pend_le_conn_lookup(hdev, addr, addr_type);
-	if (!entry)
-		goto done;
-
-	list_del(&entry->list);
-	kfree(entry);
-
-	BT_DBG("addr %pMR (type %u)", addr, addr_type);
-
-done:
-	hci_update_background_scan(hdev);
-}
-
-/* This function requires the caller holds hdev->lock */
-void hci_pend_le_conns_clear(struct hci_dev *hdev)
-{
-	struct bdaddr_list *entry, *tmp;
-
-	list_for_each_entry_safe(entry, tmp, &hdev->pend_le_conns, list) {
-		list_del(&entry->list);
-		kfree(entry);
-	}
-
-	BT_DBG("All LE pending connections cleared");
+	BT_DBG("All LE connection parameters were removed");
 }
 
 static void inquiry_complete(struct hci_dev *hdev, u8 status)
@@ -3722,7 +3729,7 @@ static void set_random_addr(struct hci_request *req, bdaddr_t *rpa)
 	 * In this kind of scenario skip the update and let the random
 	 * address be updated at the next cycle.
 	 */
-	if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) ||
+	if (test_bit(HCI_LE_ADV, &hdev->dev_flags) ||
 	    hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT)) {
 		BT_DBG("Deferring random address update");
 		return;
@@ -3784,7 +3791,7 @@ int hci_update_random_address(struct hci_request *req, bool require_privacy,
 	 * the HCI command if the current random address is already the
 	 * static one.
 	 */
-	if (test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dev_flags) ||
+	if (test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dbg_flags) ||
 	    !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
 		*own_addr_type = ADDR_LE_DEV_RANDOM;
 		if (bacmp(&hdev->static_addr, &hdev->random_addr))
@@ -3813,7 +3820,7 @@ int hci_update_random_address(struct hci_request *req, bool require_privacy,
 void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr,
 			       u8 *bdaddr_type)
 {
-	if (test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dev_flags) ||
+	if (test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dbg_flags) ||
 	    !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
 		bacpy(bdaddr, &hdev->static_addr);
 		*bdaddr_type = ADDR_LE_DEV_RANDOM;
@@ -3837,6 +3844,7 @@ struct hci_dev *hci_alloc_dev(void)
 	hdev->link_mode = (HCI_LM_ACCEPT);
 	hdev->num_iac = 0x01;		/* One IAC support is mandatory */
 	hdev->io_capability = 0x03;	/* No Input No Output */
+	hdev->manufacturer = 0xffff;	/* Default to internal use */
 	hdev->inq_tx_power = HCI_TX_POWER_INVALID;
 	hdev->adv_tx_power = HCI_TX_POWER_INVALID;
 
@@ -3848,6 +3856,8 @@ struct hci_dev *hci_alloc_dev(void)
 	hdev->le_scan_window = 0x0030;
 	hdev->le_conn_min_interval = 0x0028;
 	hdev->le_conn_max_interval = 0x0038;
+	hdev->le_conn_latency = 0x0000;
+	hdev->le_supv_timeout = 0x002a;
 
 	hdev->rpa_timeout = HCI_DEFAULT_RPA_TIMEOUT;
 	hdev->discov_interleaved_timeout = DISCOV_INTERLEAVED_TIMEOUT;
@@ -3859,6 +3869,7 @@ struct hci_dev *hci_alloc_dev(void)
 
 	INIT_LIST_HEAD(&hdev->mgmt_pending);
 	INIT_LIST_HEAD(&hdev->blacklist);
+	INIT_LIST_HEAD(&hdev->whitelist);
 	INIT_LIST_HEAD(&hdev->uuids);
 	INIT_LIST_HEAD(&hdev->link_keys);
 	INIT_LIST_HEAD(&hdev->long_term_keys);
@@ -3867,6 +3878,7 @@ struct hci_dev *hci_alloc_dev(void)
 	INIT_LIST_HEAD(&hdev->le_white_list);
 	INIT_LIST_HEAD(&hdev->le_conn_params);
 	INIT_LIST_HEAD(&hdev->pend_le_conns);
+	INIT_LIST_HEAD(&hdev->pend_le_reports);
 	INIT_LIST_HEAD(&hdev->conn_hash.list);
 
 	INIT_WORK(&hdev->rx_work, hci_rx_work);
@@ -3884,7 +3896,7 @@ struct hci_dev *hci_alloc_dev(void)
 
 	init_waitqueue_head(&hdev->req_wait_q);
 
-	setup_timer(&hdev->cmd_timer, hci_cmd_timeout, (unsigned long) hdev);
+	INIT_DELAYED_WORK(&hdev->cmd_timer, hci_cmd_timeout);
 
 	hci_init_sysfs(hdev);
 	discovery_init(hdev);
@@ -3906,7 +3918,7 @@ int hci_register_dev(struct hci_dev *hdev)
 {
 	int id, error;
 
-	if (!hdev->open || !hdev->close)
+	if (!hdev->open || !hdev->close || !hdev->send)
 		return -EINVAL;
 
 	/* Do not allow HCI_AMP devices to register at index 0,
@@ -3991,6 +4003,12 @@ int hci_register_dev(struct hci_dev *hdev)
 	list_add(&hdev->list, &hci_dev_list);
 	write_unlock(&hci_dev_list_lock);
 
+	/* Devices that are marked for raw-only usage are unconfigured
+	 * and should not be included in normal operation.
+	 */
+	if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
+		set_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
+
 	hci_notify(hdev, HCI_DEV_REG);
 	hci_dev_hold(hdev);
 
@@ -4033,7 +4051,8 @@ void hci_unregister_dev(struct hci_dev *hdev)
 	cancel_work_sync(&hdev->power_on);
 
 	if (!test_bit(HCI_INIT, &hdev->flags) &&
-	    !test_bit(HCI_SETUP, &hdev->dev_flags)) {
+	    !test_bit(HCI_SETUP, &hdev->dev_flags) &&
+	    !test_bit(HCI_CONFIG, &hdev->dev_flags)) {
 		hci_dev_lock(hdev);
 		mgmt_index_removed(hdev);
 		hci_dev_unlock(hdev);
@@ -4061,15 +4080,15 @@ void hci_unregister_dev(struct hci_dev *hdev)
 	destroy_workqueue(hdev->req_workqueue);
 
 	hci_dev_lock(hdev);
-	hci_blacklist_clear(hdev);
+	hci_bdaddr_list_clear(&hdev->blacklist);
+	hci_bdaddr_list_clear(&hdev->whitelist);
 	hci_uuids_clear(hdev);
 	hci_link_keys_clear(hdev);
 	hci_smp_ltks_clear(hdev);
 	hci_smp_irks_clear(hdev);
 	hci_remote_oob_data_clear(hdev);
-	hci_white_list_clear(hdev);
-	hci_conn_params_clear(hdev);
-	hci_pend_le_conns_clear(hdev);
+	hci_bdaddr_list_clear(&hdev->le_white_list);
+	hci_conn_params_clear_all(hdev);
 	hci_dev_unlock(hdev);
 
 	hci_dev_put(hdev);
@@ -4307,6 +4326,8 @@ EXPORT_SYMBOL(hci_unregister_cb);
 
 static void hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 {
+	int err;
+
 	BT_DBG("%s type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len);
 
 	/* Time stamp */
@@ -4323,8 +4344,11 @@ static void hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
 	/* Get rid of skb owner, prior to sending to the driver. */
 	skb_orphan(skb);
 
-	if (hdev->send(hdev, skb) < 0)
-		BT_ERR("%s sending frame failed", hdev->name);
+	err = hdev->send(hdev, skb);
+	if (err < 0) {
+		BT_ERR("%s sending frame failed (%d)", hdev->name, err);
+		kfree_skb(skb);
+	}
 }
 
 void hci_req_init(struct hci_request *req, struct hci_dev *hdev)
@@ -4798,7 +4822,7 @@ static inline int __get_blocks(struct hci_dev *hdev, struct sk_buff *skb)
 
 static void __check_timeout(struct hci_dev *hdev, unsigned int cnt)
 {
-	if (!test_bit(HCI_RAW, &hdev->flags)) {
+	if (!test_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
 		/* ACL tx timeout must be longer than maximum
 		 * link supervision timeout (40.9 seconds) */
 		if (!cnt && time_after(jiffies, hdev->acl_last_tx +
@@ -4981,7 +5005,7 @@ static void hci_sched_le(struct hci_dev *hdev)
 	if (!hci_conn_num(hdev, LE_LINK))
 		return;
 
-	if (!test_bit(HCI_RAW, &hdev->flags)) {
+	if (!test_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
 		/* LE tx timeout must be longer than maximum
 		 * link supervision timeout (40.9 seconds) */
 		if (!hdev->le_cnt && hdev->le_pkts &&
@@ -5226,8 +5250,7 @@ static void hci_rx_work(struct work_struct *work)
 			hci_send_to_sock(hdev, skb);
 		}
 
-		if (test_bit(HCI_RAW, &hdev->flags) ||
-		    test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
+		if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
 			kfree_skb(skb);
 			continue;
 		}
@@ -5287,10 +5310,10 @@ static void hci_cmd_work(struct work_struct *work)
 			atomic_dec(&hdev->cmd_cnt);
 			hci_send_frame(hdev, skb);
 			if (test_bit(HCI_RESET, &hdev->flags))
-				del_timer(&hdev->cmd_timer);
+				cancel_delayed_work(&hdev->cmd_timer);
 			else
-				mod_timer(&hdev->cmd_timer,
-					  jiffies + HCI_CMD_TIMEOUT);
+				schedule_delayed_work(&hdev->cmd_timer,
+						      HCI_CMD_TIMEOUT);
 		} else {
 			skb_queue_head(&hdev->cmd_q, skb);
 			queue_work(hdev->workqueue, &hdev->cmd_work);
@@ -5314,12 +5337,13 @@ void hci_req_add_le_passive_scan(struct hci_request *req)
 	struct hci_dev *hdev = req->hdev;
 	u8 own_addr_type;
 
-	/* Set require_privacy to true to avoid identification from
-	 * unknown peer devices. Since this is passive scanning, no
-	 * SCAN_REQ using the local identity should be sent. Mandating
-	 * privacy is just an extra precaution.
+	/* Set require_privacy to false since no SCAN_REQ are send
+	 * during passive scanning. Not using an unresolvable address
+	 * here is important so that peer devices using direct
+	 * advertising with our address will be correctly reported
+	 * by the controller.
 	 */
-	if (hci_update_random_address(req, true, &own_addr_type))
+	if (hci_update_random_address(req, false, &own_addr_type))
 		return;
 
 	memset(&param_cp, 0, sizeof(param_cp));
@@ -5356,11 +5380,30 @@ void hci_update_background_scan(struct hci_dev *hdev)
 	struct hci_conn *conn;
 	int err;
 
+	if (!test_bit(HCI_UP, &hdev->flags) ||
+	    test_bit(HCI_INIT, &hdev->flags) ||
+	    test_bit(HCI_SETUP, &hdev->dev_flags) ||
+	    test_bit(HCI_CONFIG, &hdev->dev_flags) ||
+	    test_bit(HCI_AUTO_OFF, &hdev->dev_flags) ||
+	    test_bit(HCI_UNREGISTER, &hdev->dev_flags))
+		return;
+
+	/* No point in doing scanning if LE support hasn't been enabled */
+	if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
+		return;
+
+	/* If discovery is active don't interfere with it */
+	if (hdev->discovery.state != DISCOVERY_STOPPED)
+		return;
+
 	hci_req_init(&req, hdev);
 
-	if (list_empty(&hdev->pend_le_conns)) {
-		/* If there is no pending LE connections, we should stop
-		 * the background scanning.
+	if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
+	    list_empty(&hdev->pend_le_conns) &&
+	    list_empty(&hdev->pend_le_reports)) {
+		/* If there is no pending LE connections or devices
+		 * to be scanned for, we should stop the background
+		 * scanning.
 		 */
 
 		/* If controller is not scanning we are done. */
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 640c54ec1bd..c8ae9ee3cb1 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -32,6 +32,7 @@
 
 #include "a2mp.h"
 #include "amp.h"
+#include "smp.h"
 
 /* Handle HCI Event packets */
 
@@ -102,9 +103,9 @@ static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
 	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
 	if (conn) {
 		if (rp->role)
-			conn->link_mode &= ~HCI_LM_MASTER;
+			clear_bit(HCI_CONN_MASTER, &conn->flags);
 		else
-			conn->link_mode |= HCI_LM_MASTER;
+			set_bit(HCI_CONN_MASTER, &conn->flags);
 	}
 
 	hci_dev_unlock(hdev);
@@ -174,12 +175,14 @@ static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
 
+	if (status)
+		return;
+
 	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
 	if (!sent)
 		return;
 
-	if (!status)
-		hdev->link_policy = get_unaligned_le16(sent);
+	hdev->link_policy = get_unaligned_le16(sent);
 }
 
 static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
@@ -269,27 +272,30 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
 static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	__u8 status = *((__u8 *) skb->data);
+	__u8 param;
 	void *sent;
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
 
+	if (status)
+		return;
+
 	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
 	if (!sent)
 		return;
 
-	if (!status) {
-		__u8 param = *((__u8 *) sent);
+	param = *((__u8 *) sent);
 
-		if (param)
-			set_bit(HCI_ENCRYPT, &hdev->flags);
-		else
-			clear_bit(HCI_ENCRYPT, &hdev->flags);
-	}
+	if (param)
+		set_bit(HCI_ENCRYPT, &hdev->flags);
+	else
+		clear_bit(HCI_ENCRYPT, &hdev->flags);
 }
 
 static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
 {
-	__u8 param, status = *((__u8 *) skb->data);
+	__u8 status = *((__u8 *) skb->data);
+	__u8 param;
 	int old_pscan, old_iscan;
 	void *sent;
 
@@ -601,8 +607,10 @@ static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 
-	if (!rp->status)
-		hdev->flow_ctl_mode = rp->mode;
+	if (rp->status)
+		return;
+
+	hdev->flow_ctl_mode = rp->mode;
 }
 
 static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
@@ -637,8 +645,14 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 
-	if (!rp->status)
+	if (rp->status)
+		return;
+
+	if (test_bit(HCI_INIT, &hdev->flags))
 		bacpy(&hdev->bdaddr, &rp->bdaddr);
+
+	if (test_bit(HCI_SETUP, &hdev->dev_flags))
+		bacpy(&hdev->setup_addr, &rp->bdaddr);
 }
 
 static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
@@ -648,7 +662,10 @@ static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 
-	if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) {
+	if (rp->status)
+		return;
+
+	if (test_bit(HCI_INIT, &hdev->flags)) {
 		hdev->page_scan_interval = __le16_to_cpu(rp->interval);
 		hdev->page_scan_window = __le16_to_cpu(rp->window);
 	}
@@ -680,7 +697,10 @@ static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 
-	if (test_bit(HCI_INIT, &hdev->flags) && !rp->status)
+	if (rp->status)
+		return;
+
+	if (test_bit(HCI_INIT, &hdev->flags))
 		hdev->page_scan_type = rp->type;
 }
 
@@ -720,6 +740,41 @@ static void hci_cc_read_data_block_size(struct hci_dev *hdev,
 	       hdev->block_cnt, hdev->block_len);
 }
 
+static void hci_cc_read_clock(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	struct hci_rp_read_clock *rp = (void *) skb->data;
+	struct hci_cp_read_clock *cp;
+	struct hci_conn *conn;
+
+	BT_DBG("%s", hdev->name);
+
+	if (skb->len < sizeof(*rp))
+		return;
+
+	if (rp->status)
+		return;
+
+	hci_dev_lock(hdev);
+
+	cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
+	if (!cp)
+		goto unlock;
+
+	if (cp->which == 0x00) {
+		hdev->clock = le32_to_cpu(rp->clock);
+		goto unlock;
+	}
+
+	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
+	if (conn) {
+		conn->clock = le32_to_cpu(rp->clock);
+		conn->clock_accuracy = le16_to_cpu(rp->accuracy);
+	}
+
+unlock:
+	hci_dev_unlock(hdev);
+}
+
 static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
 				       struct sk_buff *skb)
 {
@@ -789,8 +844,10 @@ static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 
-	if (!rp->status)
-		hdev->inq_tx_power = rp->tx_power;
+	if (rp->status)
+		return;
+
+	hdev->inq_tx_power = rp->tx_power;
 }
 
 static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
@@ -861,8 +918,10 @@ static void hci_cc_le_read_local_features(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 
-	if (!rp->status)
-		memcpy(hdev->le_features, rp->features, 8);
+	if (rp->status)
+		return;
+
+	memcpy(hdev->le_features, rp->features, 8);
 }
 
 static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
@@ -872,8 +931,10 @@ static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 
-	if (!rp->status)
-		hdev->adv_tx_power = rp->tx_power;
+	if (rp->status)
+		return;
+
+	hdev->adv_tx_power = rp->tx_power;
 }
 
 static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
@@ -973,14 +1034,16 @@ static void hci_cc_le_set_random_addr(struct hci_dev *hdev, struct sk_buff *skb)
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
 
+	if (status)
+		return;
+
 	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_RANDOM_ADDR);
 	if (!sent)
 		return;
 
 	hci_dev_lock(hdev);
 
-	if (!status)
-		bacpy(&hdev->random_addr, sent);
+	bacpy(&hdev->random_addr, sent);
 
 	hci_dev_unlock(hdev);
 }
@@ -991,11 +1054,11 @@ static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
 
-	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
-	if (!sent)
+	if (status)
 		return;
 
-	if (status)
+	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
+	if (!sent)
 		return;
 
 	hci_dev_lock(hdev);
@@ -1006,15 +1069,17 @@ static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
 	if (*sent) {
 		struct hci_conn *conn;
 
+		set_bit(HCI_LE_ADV, &hdev->dev_flags);
+
 		conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
 		if (conn)
 			queue_delayed_work(hdev->workqueue,
 					   &conn->le_conn_timeout,
-					   HCI_LE_CONN_TIMEOUT);
+					   conn->conn_timeout);
+	} else {
+		clear_bit(HCI_LE_ADV, &hdev->dev_flags);
 	}
 
-	mgmt_advertising(hdev, *sent);
-
 	hci_dev_unlock(hdev);
 }
 
@@ -1025,14 +1090,16 @@ static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
 
+	if (status)
+		return;
+
 	cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_PARAM);
 	if (!cp)
 		return;
 
 	hci_dev_lock(hdev);
 
-	if (!status)
-		hdev->le_scan_type = cp->type;
+	hdev->le_scan_type = cp->type;
 
 	hci_dev_unlock(hdev);
 }
@@ -1053,13 +1120,15 @@ static void clear_pending_adv_report(struct hci_dev *hdev)
 }
 
 static void store_pending_adv_report(struct hci_dev *hdev, bdaddr_t *bdaddr,
-				     u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
+				     u8 bdaddr_type, s8 rssi, u32 flags,
+				     u8 *data, u8 len)
 {
 	struct discovery_state *d = &hdev->discovery;
 
 	bacpy(&d->last_adv_addr, bdaddr);
 	d->last_adv_addr_type = bdaddr_type;
 	d->last_adv_rssi = rssi;
+	d->last_adv_flags = flags;
 	memcpy(d->last_adv_data, data, len);
 	d->last_adv_data_len = len;
 }
@@ -1072,11 +1141,11 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
 
-	cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
-	if (!cp)
+	if (status)
 		return;
 
-	if (status)
+	cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
+	if (!cp)
 		return;
 
 	switch (cp->enable) {
@@ -1096,7 +1165,7 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
 
 			mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
 					  d->last_adv_addr_type, NULL,
-					  d->last_adv_rssi, 0, 1,
+					  d->last_adv_rssi, d->last_adv_flags,
 					  d->last_adv_data,
 					  d->last_adv_data_len, NULL, 0);
 		}
@@ -1107,13 +1176,21 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
 		cancel_delayed_work(&hdev->le_scan_disable);
 
 		clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
+
 		/* The HCI_LE_SCAN_INTERRUPTED flag indicates that we
 		 * interrupted scanning due to a connect request. Mark
-		 * therefore discovery as stopped.
+		 * therefore discovery as stopped. If this was not
+		 * because of a connect request advertising might have
+		 * been disabled because of active scanning, so
+		 * re-enable it again if necessary.
 		 */
 		if (test_and_clear_bit(HCI_LE_SCAN_INTERRUPTED,
 				       &hdev->dev_flags))
 			hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+		else if (!test_bit(HCI_LE_ADV, &hdev->dev_flags) &&
+			 hdev->discovery.state == DISCOVERY_FINDING)
+			mgmt_reenable_advertising(hdev);
+
 		break;
 
 	default:
@@ -1129,8 +1206,10 @@ static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
 
-	if (!rp->status)
-		hdev->le_white_list_size = rp->size;
+	if (rp->status)
+		return;
+
+	hdev->le_white_list_size = rp->size;
 }
 
 static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
@@ -1140,8 +1219,10 @@ static void hci_cc_le_clear_white_list(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
 
-	if (!status)
-		hci_white_list_clear(hdev);
+	if (status)
+		return;
+
+	hci_bdaddr_list_clear(&hdev->le_white_list);
 }
 
 static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
@@ -1152,12 +1233,15 @@ static void hci_cc_le_add_to_white_list(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
 
+	if (status)
+		return;
+
 	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_WHITE_LIST);
 	if (!sent)
 		return;
 
-	if (!status)
-		hci_white_list_add(hdev, &sent->bdaddr, sent->bdaddr_type);
+	hci_bdaddr_list_add(&hdev->le_white_list, &sent->bdaddr,
+			   sent->bdaddr_type);
 }
 
 static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
@@ -1168,12 +1252,15 @@ static void hci_cc_le_del_from_white_list(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
 
+	if (status)
+		return;
+
 	sent = hci_sent_cmd_data(hdev, HCI_OP_LE_DEL_FROM_WHITE_LIST);
 	if (!sent)
 		return;
 
-	if (!status)
-		hci_white_list_del(hdev, &sent->bdaddr, sent->bdaddr_type);
+	hci_bdaddr_list_del(&hdev->le_white_list, &sent->bdaddr,
+			    sent->bdaddr_type);
 }
 
 static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
@@ -1183,8 +1270,10 @@ static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
 
-	if (!rp->status)
-		memcpy(hdev->le_states, rp->le_states, 8);
+	if (rp->status)
+		return;
+
+	memcpy(hdev->le_states, rp->le_states, 8);
 }
 
 static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
@@ -1195,25 +1284,26 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, status);
 
+	if (status)
+		return;
+
 	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
 	if (!sent)
 		return;
 
-	if (!status) {
-		if (sent->le) {
-			hdev->features[1][0] |= LMP_HOST_LE;
-			set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
-		} else {
-			hdev->features[1][0] &= ~LMP_HOST_LE;
-			clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
-			clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
-		}
-
-		if (sent->simul)
-			hdev->features[1][0] |= LMP_HOST_LE_BREDR;
-		else
-			hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
+	if (sent->le) {
+		hdev->features[1][0] |= LMP_HOST_LE;
+		set_bit(HCI_LE_ENABLED, &hdev->dev_flags);
+	} else {
+		hdev->features[1][0] &= ~LMP_HOST_LE;
+		clear_bit(HCI_LE_ENABLED, &hdev->dev_flags);
+		clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
 	}
+
+	if (sent->simul)
+		hdev->features[1][0] |= LMP_HOST_LE_BREDR;
+	else
+		hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
 }
 
 static void hci_cc_set_adv_param(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1345,7 +1435,7 @@ static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
 			conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
 			if (conn) {
 				conn->out = true;
-				conn->link_mode |= HCI_LM_MASTER;
+				set_bit(HCI_CONN_MASTER, &conn->flags);
 			} else
 				BT_ERR("No memory for new connection");
 		}
@@ -1835,7 +1925,7 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, u8 status)
 	if (cp->filter_policy == HCI_LE_USE_PEER_ADDR)
 		queue_delayed_work(conn->hdev->workqueue,
 				   &conn->le_conn_timeout,
-				   HCI_LE_CONN_TIMEOUT);
+				   conn->conn_timeout);
 
 unlock:
 	hci_dev_unlock(hdev);
@@ -1929,7 +2019,7 @@ static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	hci_dev_lock(hdev);
 
 	for (; num_rsp; num_rsp--, info++) {
-		bool name_known, ssp;
+		u32 flags;
 
 		bacpy(&data.bdaddr, &info->bdaddr);
 		data.pscan_rep_mode	= info->pscan_rep_mode;
@@ -1940,10 +2030,10 @@ static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		data.rssi		= 0x00;
 		data.ssp_mode		= 0x00;
 
-		name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
+		flags = hci_inquiry_cache_update(hdev, &data, false);
+
 		mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
-				  info->dev_class, 0, !name_known, ssp, NULL,
-				  0, NULL, 0);
+				  info->dev_class, 0, flags, NULL, 0, NULL, 0);
 	}
 
 	hci_dev_unlock(hdev);
@@ -1988,10 +2078,10 @@ static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_conn_add_sysfs(conn);
 
 		if (test_bit(HCI_AUTH, &hdev->flags))
-			conn->link_mode |= HCI_LM_AUTH;
+			set_bit(HCI_CONN_AUTH, &conn->flags);
 
 		if (test_bit(HCI_ENCRYPT, &hdev->flags))
-			conn->link_mode |= HCI_LM_ENCRYPT;
+			set_bit(HCI_CONN_ENCRYPT, &conn->flags);
 
 		/* Get remote features */
 		if (conn->type == ACL_LINK) {
@@ -2031,10 +2121,21 @@ unlock:
 	hci_conn_check_pending(hdev);
 }
 
+static void hci_reject_conn(struct hci_dev *hdev, bdaddr_t *bdaddr)
+{
+	struct hci_cp_reject_conn_req cp;
+
+	bacpy(&cp.bdaddr, bdaddr);
+	cp.reason = HCI_ERROR_REJ_BAD_ADDR;
+	hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
+}
+
 static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	struct hci_ev_conn_request *ev = (void *) skb->data;
 	int mask = hdev->link_mode;
+	struct inquiry_entry *ie;
+	struct hci_conn *conn;
 	__u8 flags = 0;
 
 	BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
@@ -2043,73 +2144,79 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
 				      &flags);
 
-	if ((mask & HCI_LM_ACCEPT) &&
-	    !hci_blacklist_lookup(hdev, &ev->bdaddr, BDADDR_BREDR)) {
-		/* Connection accepted */
-		struct inquiry_entry *ie;
-		struct hci_conn *conn;
+	if (!(mask & HCI_LM_ACCEPT)) {
+		hci_reject_conn(hdev, &ev->bdaddr);
+		return;
+	}
 
-		hci_dev_lock(hdev);
+	if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
+		if (hci_bdaddr_list_lookup(&hdev->blacklist, &ev->bdaddr,
+					   BDADDR_BREDR)) {
+			hci_reject_conn(hdev, &ev->bdaddr);
+			return;
+		}
+	} else {
+		if (!hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
+					    BDADDR_BREDR)) {
+			hci_reject_conn(hdev, &ev->bdaddr);
+			return;
+		}
+	}
 
-		ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
-		if (ie)
-			memcpy(ie->data.dev_class, ev->dev_class, 3);
+	/* Connection accepted */
 
-		conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
-					       &ev->bdaddr);
+	hci_dev_lock(hdev);
+
+	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
+	if (ie)
+		memcpy(ie->data.dev_class, ev->dev_class, 3);
+
+	conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
+			&ev->bdaddr);
+	if (!conn) {
+		conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
 		if (!conn) {
-			conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
-			if (!conn) {
-				BT_ERR("No memory for new connection");
-				hci_dev_unlock(hdev);
-				return;
-			}
+			BT_ERR("No memory for new connection");
+			hci_dev_unlock(hdev);
+			return;
 		}
+	}
 
-		memcpy(conn->dev_class, ev->dev_class, 3);
+	memcpy(conn->dev_class, ev->dev_class, 3);
 
-		hci_dev_unlock(hdev);
+	hci_dev_unlock(hdev);
 
-		if (ev->link_type == ACL_LINK ||
-		    (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
-			struct hci_cp_accept_conn_req cp;
-			conn->state = BT_CONNECT;
+	if (ev->link_type == ACL_LINK ||
+	    (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
+		struct hci_cp_accept_conn_req cp;
+		conn->state = BT_CONNECT;
 
-			bacpy(&cp.bdaddr, &ev->bdaddr);
+		bacpy(&cp.bdaddr, &ev->bdaddr);
 
-			if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
-				cp.role = 0x00; /* Become master */
-			else
-				cp.role = 0x01; /* Remain slave */
+		if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
+			cp.role = 0x00; /* Become master */
+		else
+			cp.role = 0x01; /* Remain slave */
 
-			hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
-				     &cp);
-		} else if (!(flags & HCI_PROTO_DEFER)) {
-			struct hci_cp_accept_sync_conn_req cp;
-			conn->state = BT_CONNECT;
+		hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp);
+	} else if (!(flags & HCI_PROTO_DEFER)) {
+		struct hci_cp_accept_sync_conn_req cp;
+		conn->state = BT_CONNECT;
 
-			bacpy(&cp.bdaddr, &ev->bdaddr);
-			cp.pkt_type = cpu_to_le16(conn->pkt_type);
+		bacpy(&cp.bdaddr, &ev->bdaddr);
+		cp.pkt_type = cpu_to_le16(conn->pkt_type);
 
-			cp.tx_bandwidth   = cpu_to_le32(0x00001f40);
-			cp.rx_bandwidth   = cpu_to_le32(0x00001f40);
-			cp.max_latency    = cpu_to_le16(0xffff);
-			cp.content_format = cpu_to_le16(hdev->voice_setting);
-			cp.retrans_effort = 0xff;
+		cp.tx_bandwidth   = cpu_to_le32(0x00001f40);
+		cp.rx_bandwidth   = cpu_to_le32(0x00001f40);
+		cp.max_latency    = cpu_to_le16(0xffff);
+		cp.content_format = cpu_to_le16(hdev->voice_setting);
+		cp.retrans_effort = 0xff;
 
-			hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
-				     sizeof(cp), &cp);
-		} else {
-			conn->state = BT_CONNECT2;
-			hci_proto_connect_cfm(conn, 0);
-		}
+		hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp),
+			     &cp);
 	} else {
-		/* Connection rejected */
-		struct hci_cp_reject_conn_req cp;
-
-		bacpy(&cp.bdaddr, &ev->bdaddr);
-		cp.reason = HCI_ERROR_REJ_BAD_ADDR;
-		hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
+		conn->state = BT_CONNECT2;
+		hci_proto_connect_cfm(conn, 0);
 	}
 }
 
@@ -2158,7 +2265,8 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	mgmt_device_disconnected(hdev, &conn->dst, conn->type, conn->dst_type,
 				reason, mgmt_connected);
 
-	if (conn->type == ACL_LINK && conn->flush_key)
+	if (conn->type == ACL_LINK &&
+	    test_bit(HCI_CONN_FLUSH_KEY, &conn->flags))
 		hci_remove_link_key(hdev, &conn->dst);
 
 	params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
@@ -2170,7 +2278,9 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 			/* Fall through */
 
 		case HCI_AUTO_CONN_ALWAYS:
-			hci_pend_le_conn_add(hdev, &conn->dst, conn->dst_type);
+			list_del_init(&params->action);
+			list_add(&params->action, &hdev->pend_le_conns);
+			hci_update_background_scan(hdev);
 			break;
 
 		default:
@@ -2218,7 +2328,7 @@ static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		    test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
 			BT_INFO("re-auth of legacy device is not possible.");
 		} else {
-			conn->link_mode |= HCI_LM_AUTH;
+			set_bit(HCI_CONN_AUTH, &conn->flags);
 			conn->sec_level = conn->pending_sec_level;
 		}
 	} else {
@@ -2321,19 +2431,19 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	if (!ev->status) {
 		if (ev->encrypt) {
 			/* Encryption implies authentication */
-			conn->link_mode |= HCI_LM_AUTH;
-			conn->link_mode |= HCI_LM_ENCRYPT;
+			set_bit(HCI_CONN_AUTH, &conn->flags);
+			set_bit(HCI_CONN_ENCRYPT, &conn->flags);
 			conn->sec_level = conn->pending_sec_level;
 
 			/* P-256 authentication key implies FIPS */
 			if (conn->key_type == HCI_LK_AUTH_COMBINATION_P256)
-				conn->link_mode |= HCI_LM_FIPS;
+				set_bit(HCI_CONN_FIPS, &conn->flags);
 
 			if ((conn->type == ACL_LINK && ev->encrypt == 0x02) ||
 			    conn->type == LE_LINK)
 				set_bit(HCI_CONN_AES_CCM, &conn->flags);
 		} else {
-			conn->link_mode &= ~HCI_LM_ENCRYPT;
+			clear_bit(HCI_CONN_ENCRYPT, &conn->flags);
 			clear_bit(HCI_CONN_AES_CCM, &conn->flags);
 		}
 	}
@@ -2384,7 +2494,7 @@ static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
 	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
 	if (conn) {
 		if (!ev->status)
-			conn->link_mode |= HCI_LM_SECURE;
+			set_bit(HCI_CONN_SECURE, &conn->flags);
 
 		clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
 
@@ -2595,6 +2705,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_cc_read_local_amp_info(hdev, skb);
 		break;
 
+	case HCI_OP_READ_CLOCK:
+		hci_cc_read_clock(hdev, skb);
+		break;
+
 	case HCI_OP_READ_LOCAL_AMP_ASSOC:
 		hci_cc_read_local_amp_assoc(hdev, skb);
 		break;
@@ -2709,7 +2823,7 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	}
 
 	if (opcode != HCI_OP_NOP)
-		del_timer(&hdev->cmd_timer);
+		cancel_delayed_work(&hdev->cmd_timer);
 
 	hci_req_cmd_complete(hdev, opcode, status);
 
@@ -2800,7 +2914,7 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	}
 
 	if (opcode != HCI_OP_NOP)
-		del_timer(&hdev->cmd_timer);
+		cancel_delayed_work(&hdev->cmd_timer);
 
 	if (ev->status ||
 	    (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
@@ -2826,9 +2940,9 @@ static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	if (conn) {
 		if (!ev->status) {
 			if (ev->role)
-				conn->link_mode &= ~HCI_LM_MASTER;
+				clear_bit(HCI_CONN_MASTER, &conn->flags);
 			else
-				conn->link_mode |= HCI_LM_MASTER;
+				set_bit(HCI_CONN_MASTER, &conn->flags);
 		}
 
 		clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
@@ -3065,12 +3179,6 @@ static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
 	       &ev->bdaddr);
 
-	if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
-	    key->type == HCI_LK_DEBUG_COMBINATION) {
-		BT_DBG("%s ignoring debug key", hdev->name);
-		goto not_found;
-	}
-
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
 	if (conn) {
 		if ((key->type == HCI_LK_UNAUTH_COMBINATION_P192 ||
@@ -3110,6 +3218,8 @@ static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	struct hci_ev_link_key_notify *ev = (void *) skb->data;
 	struct hci_conn *conn;
+	struct link_key *key;
+	bool persistent;
 	u8 pin_len = 0;
 
 	BT_DBG("%s", hdev->name);
@@ -3128,10 +3238,33 @@ static void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_conn_drop(conn);
 	}
 
-	if (test_bit(HCI_MGMT, &hdev->dev_flags))
-		hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
-				 ev->key_type, pin_len);
+	if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+		goto unlock;
+
+	key = hci_add_link_key(hdev, conn, &ev->bdaddr, ev->link_key,
+			        ev->key_type, pin_len, &persistent);
+	if (!key)
+		goto unlock;
 
+	mgmt_new_link_key(hdev, key, persistent);
+
+	/* Keep debug keys around only if the HCI_KEEP_DEBUG_KEYS flag
+	 * is set. If it's not set simply remove the key from the kernel
+	 * list (we've still notified user space about it but with
+	 * store_hint being 0).
+	 */
+	if (key->type == HCI_LK_DEBUG_COMBINATION &&
+	    !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags)) {
+		list_del(&key->list);
+		kfree(key);
+	} else if (conn) {
+		if (persistent)
+			clear_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
+		else
+			set_bit(HCI_CONN_FLUSH_KEY, &conn->flags);
+	}
+
+unlock:
 	hci_dev_unlock(hdev);
 }
 
@@ -3197,7 +3330,6 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
 {
 	struct inquiry_data data;
 	int num_rsp = *((__u8 *) skb->data);
-	bool name_known, ssp;
 
 	BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
 
@@ -3214,6 +3346,8 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
 		info = (void *) (skb->data + 1);
 
 		for (; num_rsp; num_rsp--, info++) {
+			u32 flags;
+
 			bacpy(&data.bdaddr, &info->bdaddr);
 			data.pscan_rep_mode	= info->pscan_rep_mode;
 			data.pscan_period_mode	= info->pscan_period_mode;
@@ -3223,16 +3357,18 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
 			data.rssi		= info->rssi;
 			data.ssp_mode		= 0x00;
 
-			name_known = hci_inquiry_cache_update(hdev, &data,
-							      false, &ssp);
+			flags = hci_inquiry_cache_update(hdev, &data, false);
+
 			mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
 					  info->dev_class, info->rssi,
-					  !name_known, ssp, NULL, 0, NULL, 0);
+					  flags, NULL, 0, NULL, 0);
 		}
 	} else {
 		struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
 
 		for (; num_rsp; num_rsp--, info++) {
+			u32 flags;
+
 			bacpy(&data.bdaddr, &info->bdaddr);
 			data.pscan_rep_mode	= info->pscan_rep_mode;
 			data.pscan_period_mode	= info->pscan_period_mode;
@@ -3241,11 +3377,12 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
 			data.clock_offset	= info->clock_offset;
 			data.rssi		= info->rssi;
 			data.ssp_mode		= 0x00;
-			name_known = hci_inquiry_cache_update(hdev, &data,
-							      false, &ssp);
+
+			flags = hci_inquiry_cache_update(hdev, &data, false);
+
 			mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
 					  info->dev_class, info->rssi,
-					  !name_known, ssp, NULL, 0, NULL, 0);
+					  flags, NULL, 0, NULL, 0);
 		}
 	}
 
@@ -3348,6 +3485,7 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
 		hci_conn_add_sysfs(conn);
 		break;
 
+	case 0x10:	/* Connection Accept Timeout */
 	case 0x0d:	/* Connection Rejected due to Limited Resources */
 	case 0x11:	/* Unsupported Feature or Parameter Value */
 	case 0x1c:	/* SCO interval rejected */
@@ -3411,7 +3549,8 @@ static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
 	hci_dev_lock(hdev);
 
 	for (; num_rsp; num_rsp--, info++) {
-		bool name_known, ssp;
+		u32 flags;
+		bool name_known;
 
 		bacpy(&data.bdaddr, &info->bdaddr);
 		data.pscan_rep_mode	= info->pscan_rep_mode;
@@ -3429,12 +3568,13 @@ static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
 		else
 			name_known = true;
 
-		name_known = hci_inquiry_cache_update(hdev, &data, name_known,
-						      &ssp);
+		flags = hci_inquiry_cache_update(hdev, &data, name_known);
+
 		eir_len = eir_get_length(info->data, sizeof(info->data));
+
 		mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
-				  info->dev_class, info->rssi, !name_known,
-				  ssp, info->data, eir_len, NULL, 0);
+				  info->dev_class, info->rssi,
+				  flags, info->data, eir_len, NULL, 0);
 	}
 
 	hci_dev_unlock(hdev);
@@ -3967,13 +4107,20 @@ static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
 static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	struct hci_ev_le_conn_complete *ev = (void *) skb->data;
+	struct hci_conn_params *params;
 	struct hci_conn *conn;
 	struct smp_irk *irk;
+	u8 addr_type;
 
 	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
 
 	hci_dev_lock(hdev);
 
+	/* All controllers implicitly stop advertising in the event of a
+	 * connection, so ensure that the state bit is cleared.
+	 */
+	clear_bit(HCI_LE_ADV, &hdev->dev_flags);
+
 	conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
 	if (!conn) {
 		conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
@@ -3986,7 +4133,7 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 
 		if (ev->role == LE_CONN_ROLE_MASTER) {
 			conn->out = true;
-			conn->link_mode |= HCI_LM_MASTER;
+			set_bit(HCI_CONN_MASTER, &conn->flags);
 		}
 
 		/* If we didn't have a hci_conn object previously
@@ -4025,6 +4172,14 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 
 		conn->init_addr_type = ev->bdaddr_type;
 		bacpy(&conn->init_addr, &ev->bdaddr);
+
+		/* For incoming connections, set the default minimum
+		 * and maximum connection interval. They will be used
+		 * to check if the parameters are in range and if not
+		 * trigger the connection update procedure.
+		 */
+		conn->le_conn_min_interval = hdev->le_conn_min_interval;
+		conn->le_conn_max_interval = hdev->le_conn_max_interval;
 	}
 
 	/* Lookup the identity address from the stored connection
@@ -4042,6 +4197,17 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		conn->dst_type = irk->addr_type;
 	}
 
+	if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
+		addr_type = BDADDR_LE_PUBLIC;
+	else
+		addr_type = BDADDR_LE_RANDOM;
+
+	/* Drop the connection if he device is blocked */
+	if (hci_bdaddr_list_lookup(&hdev->blacklist, &conn->dst, addr_type)) {
+		hci_conn_drop(conn);
+		goto unlock;
+	}
+
 	if (ev->status) {
 		hci_le_conn_failed(conn, ev->status);
 		goto unlock;
@@ -4055,40 +4221,75 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	conn->handle = __le16_to_cpu(ev->handle);
 	conn->state = BT_CONNECTED;
 
-	if (test_bit(HCI_6LOWPAN_ENABLED, &hdev->dev_flags))
-		set_bit(HCI_CONN_6LOWPAN, &conn->flags);
+	conn->le_conn_interval = le16_to_cpu(ev->interval);
+	conn->le_conn_latency = le16_to_cpu(ev->latency);
+	conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
 
 	hci_conn_add_sysfs(conn);
 
 	hci_proto_connect_cfm(conn, ev->status);
 
-	hci_pend_le_conn_del(hdev, &conn->dst, conn->dst_type);
+	params = hci_conn_params_lookup(hdev, &conn->dst, conn->dst_type);
+	if (params)
+		list_del_init(&params->action);
 
 unlock:
+	hci_update_background_scan(hdev);
+	hci_dev_unlock(hdev);
+}
+
+static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
+					    struct sk_buff *skb)
+{
+	struct hci_ev_le_conn_update_complete *ev = (void *) skb->data;
+	struct hci_conn *conn;
+
+	BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+	if (ev->status)
+		return;
+
+	hci_dev_lock(hdev);
+
+	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+	if (conn) {
+		conn->le_conn_interval = le16_to_cpu(ev->interval);
+		conn->le_conn_latency = le16_to_cpu(ev->latency);
+		conn->le_supv_timeout = le16_to_cpu(ev->supervision_timeout);
+	}
+
 	hci_dev_unlock(hdev);
 }
 
 /* This function requires the caller holds hdev->lock */
 static void check_pending_le_conn(struct hci_dev *hdev, bdaddr_t *addr,
-				  u8 addr_type)
+				  u8 addr_type, u8 adv_type)
 {
 	struct hci_conn *conn;
-	struct smp_irk *irk;
 
-	/* If this is a resolvable address, we should resolve it and then
-	 * update address and address type variables.
-	 */
-	irk = hci_get_irk(hdev, addr, addr_type);
-	if (irk) {
-		addr = &irk->bdaddr;
-		addr_type = irk->addr_type;
-	}
+	/* If the event is not connectable don't proceed further */
+	if (adv_type != LE_ADV_IND && adv_type != LE_ADV_DIRECT_IND)
+		return;
 
-	if (!hci_pend_le_conn_lookup(hdev, addr, addr_type))
+	/* Ignore if the device is blocked */
+	if (hci_bdaddr_list_lookup(&hdev->blacklist, addr, addr_type))
 		return;
 
+	/* If we're connectable, always connect any ADV_DIRECT_IND event */
+	if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) &&
+	    adv_type == LE_ADV_DIRECT_IND)
+		goto connect;
+
+	/* If we're not connectable only connect devices that we have in
+	 * our pend_le_conns list.
+	 */
+	if (!hci_pend_le_action_lookup(&hdev->pend_le_conns, addr, addr_type))
+		return;
+
+connect:
+	/* Request connection in master = true role */
 	conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
-			      HCI_AT_NO_BONDING);
+			      HCI_LE_AUTOCONN_TIMEOUT, true);
 	if (!IS_ERR(conn))
 		return;
 
@@ -4109,15 +4310,65 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
 			       u8 bdaddr_type, s8 rssi, u8 *data, u8 len)
 {
 	struct discovery_state *d = &hdev->discovery;
+	struct smp_irk *irk;
 	bool match;
+	u32 flags;
+
+	/* Check if we need to convert to identity address */
+	irk = hci_get_irk(hdev, bdaddr, bdaddr_type);
+	if (irk) {
+		bdaddr = &irk->bdaddr;
+		bdaddr_type = irk->addr_type;
+	}
+
+	/* Check if we have been requested to connect to this device */
+	check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
 
-	/* Passive scanning shouldn't trigger any device found events */
+	/* Passive scanning shouldn't trigger any device found events,
+	 * except for devices marked as CONN_REPORT for which we do send
+	 * device found events.
+	 */
 	if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
-		if (type == LE_ADV_IND || type == LE_ADV_DIRECT_IND)
-			check_pending_le_conn(hdev, bdaddr, bdaddr_type);
+		struct hci_conn_params *param;
+
+		if (type == LE_ADV_DIRECT_IND)
+			return;
+
+		param = hci_pend_le_action_lookup(&hdev->pend_le_reports,
+						  bdaddr, bdaddr_type);
+		if (!param)
+			return;
+
+		if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
+			flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
+		else
+			flags = 0;
+		mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
+				  rssi, flags, data, len, NULL, 0);
 		return;
 	}
 
+	/* When receiving non-connectable or scannable undirected
+	 * advertising reports, this means that the remote device is
+	 * not connectable and then clearly indicate this in the
+	 * device found event.
+	 *
+	 * When receiving a scan response, then there is no way to
+	 * know if the remote device is connectable or not. However
+	 * since scan responses are merged with a previously seen
+	 * advertising report, the flags field from that report
+	 * will be used.
+	 *
+	 * In the really unlikely case that a controller get confused
+	 * and just sends a scan response event, then it is marked as
+	 * not connectable as well.
+	 */
+	if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND ||
+	    type == LE_ADV_SCAN_RSP)
+		flags = MGMT_DEV_FOUND_NOT_CONNECTABLE;
+	else
+		flags = 0;
+
 	/* If there's nothing pending either store the data from this
 	 * event or send an immediate device found event if the data
 	 * should not be stored for later.
@@ -4128,12 +4379,12 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
 		 */
 		if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
 			store_pending_adv_report(hdev, bdaddr, bdaddr_type,
-						 rssi, data, len);
+						 rssi, flags, data, len);
 			return;
 		}
 
 		mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
-				  rssi, 0, 1, data, len, NULL, 0);
+				  rssi, flags, data, len, NULL, 0);
 		return;
 	}
 
@@ -4150,7 +4401,7 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
 		if (!match)
 			mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
 					  d->last_adv_addr_type, NULL,
-					  d->last_adv_rssi, 0, 1,
+					  d->last_adv_rssi, d->last_adv_flags,
 					  d->last_adv_data,
 					  d->last_adv_data_len, NULL, 0);
 
@@ -4159,7 +4410,7 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
 		 */
 		if (type == LE_ADV_IND || type == LE_ADV_SCAN_IND) {
 			store_pending_adv_report(hdev, bdaddr, bdaddr_type,
-						 rssi, data, len);
+						 rssi, flags, data, len);
 			return;
 		}
 
@@ -4168,7 +4419,7 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
 		 */
 		clear_pending_adv_report(hdev);
 		mgmt_device_found(hdev, bdaddr, LE_LINK, bdaddr_type, NULL,
-				  rssi, 0, 1, data, len, NULL, 0);
+				  rssi, flags, data, len, NULL, 0);
 		return;
 	}
 
@@ -4177,8 +4428,8 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
 	 * sending a merged device found event.
 	 */
 	mgmt_device_found(hdev, &d->last_adv_addr, LE_LINK,
-			  d->last_adv_addr_type, NULL, rssi, 0, 1, data, len,
-			  d->last_adv_data, d->last_adv_data_len);
+			  d->last_adv_addr_type, NULL, rssi, d->last_adv_flags,
+			  d->last_adv_data, d->last_adv_data_len, data, len);
 	clear_pending_adv_report(hdev);
 }
 
@@ -4241,9 +4492,12 @@ static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	 * distribute the keys. Later, security can be re-established
 	 * using a distributed LTK.
 	 */
-	if (ltk->type == HCI_SMP_STK_SLAVE) {
+	if (ltk->type == SMP_STK) {
+		set_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
 		list_del(&ltk->list);
 		kfree(ltk);
+	} else {
+		clear_bit(HCI_CONN_STK_ENCRYPT, &conn->flags);
 	}
 
 	hci_dev_unlock(hdev);
@@ -4256,6 +4510,76 @@ not_found:
 	hci_dev_unlock(hdev);
 }
 
+static void send_conn_param_neg_reply(struct hci_dev *hdev, u16 handle,
+				      u8 reason)
+{
+	struct hci_cp_le_conn_param_req_neg_reply cp;
+
+	cp.handle = cpu_to_le16(handle);
+	cp.reason = reason;
+
+	hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_NEG_REPLY, sizeof(cp),
+		     &cp);
+}
+
+static void hci_le_remote_conn_param_req_evt(struct hci_dev *hdev,
+					     struct sk_buff *skb)
+{
+	struct hci_ev_le_remote_conn_param_req *ev = (void *) skb->data;
+	struct hci_cp_le_conn_param_req_reply cp;
+	struct hci_conn *hcon;
+	u16 handle, min, max, latency, timeout;
+
+	handle = le16_to_cpu(ev->handle);
+	min = le16_to_cpu(ev->interval_min);
+	max = le16_to_cpu(ev->interval_max);
+	latency = le16_to_cpu(ev->latency);
+	timeout = le16_to_cpu(ev->timeout);
+
+	hcon = hci_conn_hash_lookup_handle(hdev, handle);
+	if (!hcon || hcon->state != BT_CONNECTED)
+		return send_conn_param_neg_reply(hdev, handle,
+						 HCI_ERROR_UNKNOWN_CONN_ID);
+
+	if (hci_check_conn_params(min, max, latency, timeout))
+		return send_conn_param_neg_reply(hdev, handle,
+						 HCI_ERROR_INVALID_LL_PARAMS);
+
+	if (test_bit(HCI_CONN_MASTER, &hcon->flags)) {
+		struct hci_conn_params *params;
+		u8 store_hint;
+
+		hci_dev_lock(hdev);
+
+		params = hci_conn_params_lookup(hdev, &hcon->dst,
+						hcon->dst_type);
+		if (params) {
+			params->conn_min_interval = min;
+			params->conn_max_interval = max;
+			params->conn_latency = latency;
+			params->supervision_timeout = timeout;
+			store_hint = 0x01;
+		} else{
+			store_hint = 0x00;
+		}
+
+		hci_dev_unlock(hdev);
+
+		mgmt_new_conn_param(hdev, &hcon->dst, hcon->dst_type,
+				    store_hint, min, max, latency, timeout);
+	}
+
+	cp.handle = ev->handle;
+	cp.interval_min = ev->interval_min;
+	cp.interval_max = ev->interval_max;
+	cp.latency = ev->latency;
+	cp.timeout = ev->timeout;
+	cp.min_ce_len = 0;
+	cp.max_ce_len = 0;
+
+	hci_send_cmd(hdev, HCI_OP_LE_CONN_PARAM_REQ_REPLY, sizeof(cp), &cp);
+}
+
 static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	struct hci_ev_le_meta *le_ev = (void *) skb->data;
@@ -4267,6 +4591,10 @@ static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_le_conn_complete_evt(hdev, skb);
 		break;
 
+	case HCI_EV_LE_CONN_UPDATE_COMPLETE:
+		hci_le_conn_update_complete_evt(hdev, skb);
+		break;
+
 	case HCI_EV_LE_ADVERTISING_REPORT:
 		hci_le_adv_report_evt(hdev, skb);
 		break;
@@ -4275,6 +4603,10 @@ static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_le_ltk_request_evt(hdev, skb);
 		break;
 
+	case HCI_EV_LE_REMOTE_CONN_PARAM_REQ:
+		hci_le_remote_conn_param_req_evt(hdev, skb);
+		break;
+
 	default:
 		break;
 	}
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 80d25c150a6..c64728d571a 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -481,7 +481,7 @@ static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg)
 
 	hci_dev_lock(hdev);
 
-	err = hci_blacklist_add(hdev, &bdaddr, BDADDR_BREDR);
+	err = hci_bdaddr_list_add(&hdev->blacklist, &bdaddr, BDADDR_BREDR);
 
 	hci_dev_unlock(hdev);
 
@@ -498,7 +498,7 @@ static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg)
 
 	hci_dev_lock(hdev);
 
-	err = hci_blacklist_del(hdev, &bdaddr, BDADDR_BREDR);
+	err = hci_bdaddr_list_del(&hdev->blacklist, &bdaddr, BDADDR_BREDR);
 
 	hci_dev_unlock(hdev);
 
@@ -517,6 +517,9 @@ static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd,
 	if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags))
 		return -EBUSY;
 
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
+		return -EOPNOTSUPP;
+
 	if (hdev->dev_type != HCI_BREDR)
 		return -EOPNOTSUPP;
 
@@ -690,7 +693,8 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
 
 		if (test_bit(HCI_UP, &hdev->flags) ||
 		    test_bit(HCI_INIT, &hdev->flags) ||
-		    test_bit(HCI_SETUP, &hdev->dev_flags)) {
+		    test_bit(HCI_SETUP, &hdev->dev_flags) ||
+		    test_bit(HCI_CONFIG, &hdev->dev_flags)) {
 			err = -EBUSY;
 			hci_dev_put(hdev);
 			goto done;
@@ -960,7 +964,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 			goto drop;
 		}
 
-		if (test_bit(HCI_RAW, &hdev->flags) || (ogf == 0x3f)) {
+		if (ogf == 0x3f) {
 			skb_queue_tail(&hdev->raw_q, skb);
 			queue_work(hdev->workqueue, &hdev->tx_work);
 		} else {
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 323f23cd2c3..8680aae678c 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -40,7 +40,6 @@
 #include "smp.h"
 #include "a2mp.h"
 #include "amp.h"
-#include "6lowpan.h"
 
 #define LE_FLOWCTL_MAX_CREDITS 65535
 
@@ -205,6 +204,7 @@ done:
 	write_unlock(&chan_list_lock);
 	return err;
 }
+EXPORT_SYMBOL_GPL(l2cap_add_psm);
 
 int l2cap_add_scid(struct l2cap_chan *chan,  __u16 scid)
 {
@@ -437,6 +437,7 @@ struct l2cap_chan *l2cap_chan_create(void)
 
 	return chan;
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_create);
 
 static void l2cap_chan_destroy(struct kref *kref)
 {
@@ -464,6 +465,7 @@ void l2cap_chan_put(struct l2cap_chan *c)
 
 	kref_put(&c->kref, l2cap_chan_destroy);
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_put);
 
 void l2cap_chan_set_defaults(struct l2cap_chan *chan)
 {
@@ -482,6 +484,7 @@ void l2cap_chan_set_defaults(struct l2cap_chan *chan)
 
 	set_bit(FLAG_FORCE_ACTIVE, &chan->flags);
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_set_defaults);
 
 static void l2cap_le_flowctl_init(struct l2cap_chan *chan)
 {
@@ -614,6 +617,7 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
 
 	return;
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_del);
 
 void l2cap_conn_update_id_addr(struct hci_conn *hcon)
 {
@@ -717,6 +721,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
 		break;
 	}
 }
+EXPORT_SYMBOL(l2cap_chan_close);
 
 static inline u8 l2cap_get_auth_type(struct l2cap_chan *chan)
 {
@@ -1455,13 +1460,12 @@ static struct l2cap_chan *l2cap_global_chan_by_scid(int state, u16 cid,
 static void l2cap_le_conn_ready(struct l2cap_conn *conn)
 {
 	struct hci_conn *hcon = conn->hcon;
+	struct hci_dev *hdev = hcon->hdev;
 	struct l2cap_chan *chan, *pchan;
 	u8 dst_type;
 
 	BT_DBG("");
 
-	bt_6lowpan_add_conn(conn);
-
 	/* Check if we have socket listening on cid */
 	pchan = l2cap_global_chan_by_scid(BT_LISTEN, L2CAP_CID_ATT,
 					  &hcon->src, &hcon->dst);
@@ -1475,9 +1479,28 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
 	dst_type = bdaddr_type(hcon, hcon->dst_type);
 
 	/* If device is blocked, do not create a channel for it */
-	if (hci_blacklist_lookup(hcon->hdev, &hcon->dst, dst_type))
+	if (hci_bdaddr_list_lookup(&hdev->blacklist, &hcon->dst, dst_type))
 		return;
 
+	/* For LE slave connections, make sure the connection interval
+	 * is in the range of the minium and maximum interval that has
+	 * been configured for this connection. If not, then trigger
+	 * the connection update procedure.
+	 */
+	if (!test_bit(HCI_CONN_MASTER, &hcon->flags) &&
+	    (hcon->le_conn_interval < hcon->le_conn_min_interval ||
+	     hcon->le_conn_interval > hcon->le_conn_max_interval)) {
+		struct l2cap_conn_param_update_req req;
+
+		req.min = cpu_to_le16(hcon->le_conn_min_interval);
+		req.max = cpu_to_le16(hcon->le_conn_max_interval);
+		req.latency = cpu_to_le16(hcon->le_conn_latency);
+		req.to_multiplier = cpu_to_le16(hcon->le_supv_timeout);
+
+		l2cap_send_cmd(conn, l2cap_get_ident(conn),
+			       L2CAP_CONN_PARAM_UPDATE_REQ, sizeof(req), &req);
+	}
+
 	l2cap_chan_lock(pchan);
 
 	chan = pchan->ops->new_connection(pchan);
@@ -2118,7 +2141,8 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan,
 	struct sk_buff **frag;
 	int sent = 0;
 
-	if (memcpy_fromiovec(skb_put(skb, count), msg->msg_iov, count))
+	if (chan->ops->memcpy_fromiovec(chan, skb_put(skb, count),
+					msg->msg_iov, count))
 		return -EFAULT;
 
 	sent += count;
@@ -2131,18 +2155,17 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan,
 
 		count = min_t(unsigned int, conn->mtu, len);
 
-		tmp = chan->ops->alloc_skb(chan, count,
+		tmp = chan->ops->alloc_skb(chan, 0, count,
 					   msg->msg_flags & MSG_DONTWAIT);
 		if (IS_ERR(tmp))
 			return PTR_ERR(tmp);
 
 		*frag = tmp;
 
-		if (memcpy_fromiovec(skb_put(*frag, count), msg->msg_iov, count))
+		if (chan->ops->memcpy_fromiovec(chan, skb_put(*frag, count),
+						msg->msg_iov, count))
 			return -EFAULT;
 
-		(*frag)->priority = skb->priority;
-
 		sent += count;
 		len  -= count;
 
@@ -2156,26 +2179,23 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan,
 }
 
 static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
-						 struct msghdr *msg, size_t len,
-						 u32 priority)
+						 struct msghdr *msg, size_t len)
 {
 	struct l2cap_conn *conn = chan->conn;
 	struct sk_buff *skb;
 	int err, count, hlen = L2CAP_HDR_SIZE + L2CAP_PSMLEN_SIZE;
 	struct l2cap_hdr *lh;
 
-	BT_DBG("chan %p psm 0x%2.2x len %zu priority %u", chan,
-	       __le16_to_cpu(chan->psm), len, priority);
+	BT_DBG("chan %p psm 0x%2.2x len %zu", chan,
+	       __le16_to_cpu(chan->psm), len);
 
 	count = min_t(unsigned int, (conn->mtu - hlen), len);
 
-	skb = chan->ops->alloc_skb(chan, count + hlen,
+	skb = chan->ops->alloc_skb(chan, hlen, count,
 				   msg->msg_flags & MSG_DONTWAIT);
 	if (IS_ERR(skb))
 		return skb;
 
-	skb->priority = priority;
-
 	/* Create L2CAP header */
 	lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
 	lh->cid = cpu_to_le16(chan->dcid);
@@ -2191,8 +2211,7 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
 }
 
 static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan,
-					      struct msghdr *msg, size_t len,
-					      u32 priority)
+					      struct msghdr *msg, size_t len)
 {
 	struct l2cap_conn *conn = chan->conn;
 	struct sk_buff *skb;
@@ -2203,13 +2222,11 @@ static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan,
 
 	count = min_t(unsigned int, (conn->mtu - L2CAP_HDR_SIZE), len);
 
-	skb = chan->ops->alloc_skb(chan, count + L2CAP_HDR_SIZE,
+	skb = chan->ops->alloc_skb(chan, L2CAP_HDR_SIZE, count,
 				   msg->msg_flags & MSG_DONTWAIT);
 	if (IS_ERR(skb))
 		return skb;
 
-	skb->priority = priority;
-
 	/* Create L2CAP header */
 	lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
 	lh->cid = cpu_to_le16(chan->dcid);
@@ -2247,7 +2264,7 @@ static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan,
 
 	count = min_t(unsigned int, (conn->mtu - hlen), len);
 
-	skb = chan->ops->alloc_skb(chan, count + hlen,
+	skb = chan->ops->alloc_skb(chan, hlen, count,
 				   msg->msg_flags & MSG_DONTWAIT);
 	if (IS_ERR(skb))
 		return skb;
@@ -2368,7 +2385,7 @@ static struct sk_buff *l2cap_create_le_flowctl_pdu(struct l2cap_chan *chan,
 
 	count = min_t(unsigned int, (conn->mtu - hlen), len);
 
-	skb = chan->ops->alloc_skb(chan, count + hlen,
+	skb = chan->ops->alloc_skb(chan, hlen, count,
 				   msg->msg_flags & MSG_DONTWAIT);
 	if (IS_ERR(skb))
 		return skb;
@@ -2430,8 +2447,7 @@ static int l2cap_segment_le_sdu(struct l2cap_chan *chan,
 	return 0;
 }
 
-int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
-		    u32 priority)
+int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
 {
 	struct sk_buff *skb;
 	int err;
@@ -2442,7 +2458,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
 
 	/* Connectionless channel */
 	if (chan->chan_type == L2CAP_CHAN_CONN_LESS) {
-		skb = l2cap_create_connless_pdu(chan, msg, len, priority);
+		skb = l2cap_create_connless_pdu(chan, msg, len);
 		if (IS_ERR(skb))
 			return PTR_ERR(skb);
 
@@ -2499,7 +2515,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
 			return -EMSGSIZE;
 
 		/* Create a basic PDU */
-		skb = l2cap_create_basic_pdu(chan, msg, len, priority);
+		skb = l2cap_create_basic_pdu(chan, msg, len);
 		if (IS_ERR(skb))
 			return PTR_ERR(skb);
 
@@ -2562,6 +2578,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
 
 	return err;
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_send);
 
 static void l2cap_send_srej(struct l2cap_chan *chan, u16 txseq)
 {
@@ -3217,6 +3234,9 @@ done:
 
 	switch (chan->mode) {
 	case L2CAP_MODE_BASIC:
+		if (disable_ertm)
+			break;
+
 		if (!(chan->conn->feat_mask & L2CAP_FEAT_ERTM) &&
 		    !(chan->conn->feat_mask & L2CAP_FEAT_STREAMING))
 			break;
@@ -5197,27 +5217,6 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn,
 	return 0;
 }
 
-static inline int l2cap_check_conn_param(u16 min, u16 max, u16 latency,
-					 u16 to_multiplier)
-{
-	u16 max_latency;
-
-	if (min > max || min < 6 || max > 3200)
-		return -EINVAL;
-
-	if (to_multiplier < 10 || to_multiplier > 3200)
-		return -EINVAL;
-
-	if (max >= to_multiplier * 8)
-		return -EINVAL;
-
-	max_latency = (to_multiplier * 8 / max) - 1;
-	if (latency > 499 || latency > max_latency)
-		return -EINVAL;
-
-	return 0;
-}
-
 static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 					      struct l2cap_cmd_hdr *cmd,
 					      u16 cmd_len, u8 *data)
@@ -5228,7 +5227,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 	u16 min, max, latency, to_multiplier;
 	int err;
 
-	if (!(hcon->link_mode & HCI_LM_MASTER))
+	if (!test_bit(HCI_CONN_MASTER, &hcon->flags))
 		return -EINVAL;
 
 	if (cmd_len != sizeof(struct l2cap_conn_param_update_req))
@@ -5245,7 +5244,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 
 	memset(&rsp, 0, sizeof(rsp));
 
-	err = l2cap_check_conn_param(min, max, latency, to_multiplier);
+	err = hci_check_conn_params(min, max, latency, to_multiplier);
 	if (err)
 		rsp.result = cpu_to_le16(L2CAP_CONN_PARAM_REJECTED);
 	else
@@ -5254,8 +5253,16 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn,
 	l2cap_send_cmd(conn, cmd->ident, L2CAP_CONN_PARAM_UPDATE_RSP,
 		       sizeof(rsp), &rsp);
 
-	if (!err)
-		hci_le_conn_update(hcon, min, max, latency, to_multiplier);
+	if (!err) {
+		u8 store_hint;
+
+		store_hint = hci_le_conn_update(hcon, min, max, latency,
+						to_multiplier);
+		mgmt_new_conn_param(hcon->hdev, &hcon->dst, hcon->dst_type,
+				    store_hint, min, max, latency,
+				    to_multiplier);
+
+	}
 
 	return 0;
 }
@@ -6879,9 +6886,6 @@ static void l2cap_att_channel(struct l2cap_conn *conn,
 
 	BT_DBG("chan %p, len %d", chan, skb->len);
 
-	if (hci_blacklist_lookup(hcon->hdev, &hcon->dst, hcon->dst_type))
-		goto drop;
-
 	if (chan->imtu < skb->len)
 		goto drop;
 
@@ -6914,6 +6918,16 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
 		return;
 	}
 
+	/* Since we can't actively block incoming LE connections we must
+	 * at least ensure that we ignore incoming data from them.
+	 */
+	if (hcon->type == LE_LINK &&
+	    hci_bdaddr_list_lookup(&hcon->hdev->blacklist, &hcon->dst,
+				   bdaddr_type(hcon, hcon->dst_type))) {
+		kfree_skb(skb);
+		return;
+	}
+
 	BT_DBG("len %d, cid 0x%4.4x", len, cid);
 
 	switch (cid) {
@@ -6940,10 +6954,6 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
 			l2cap_conn_del(conn->hcon, EACCES);
 		break;
 
-	case L2CAP_FC_6LOWPAN:
-		bt_6lowpan_recv(conn, skb);
-		break;
-
 	default:
 		l2cap_data_channel(conn, cid, skb);
 		break;
@@ -7042,7 +7052,6 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
 	struct l2cap_conn *conn;
 	struct hci_conn *hcon;
 	struct hci_dev *hdev;
-	__u8 auth_type;
 	int err;
 
 	BT_DBG("%pMR -> %pMR (type %u) psm 0x%2.2x", &chan->src, dst,
@@ -7118,9 +7127,9 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
 	chan->psm = psm;
 	chan->dcid = cid;
 
-	auth_type = l2cap_get_auth_type(chan);
-
 	if (bdaddr_type_is_le(dst_type)) {
+		bool master;
+
 		/* Convert from L2CAP channel address type to HCI address type
 		 */
 		if (dst_type == BDADDR_LE_PUBLIC)
@@ -7128,9 +7137,12 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
 		else
 			dst_type = ADDR_LE_DEV_RANDOM;
 
+		master = !test_bit(HCI_ADVERTISING, &hdev->dev_flags);
+
 		hcon = hci_connect_le(hdev, dst, dst_type, chan->sec_level,
-				      auth_type);
+				      HCI_LE_CONN_TIMEOUT, master);
 	} else {
+		u8 auth_type = l2cap_get_auth_type(chan);
 		hcon = hci_connect_acl(hdev, dst, chan->sec_level, auth_type);
 	}
 
@@ -7190,6 +7202,7 @@ done:
 	hci_dev_put(hdev);
 	return err;
 }
+EXPORT_SYMBOL_GPL(l2cap_chan_connect);
 
 /* ---- L2CAP interface with lower layer (HCI) ---- */
 
@@ -7252,8 +7265,6 @@ void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
 {
 	BT_DBG("hcon %p reason %d", hcon, reason);
 
-	bt_6lowpan_del_conn(hcon->l2cap_data);
-
 	l2cap_conn_del(hcon, bt_to_errno(reason));
 }
 
@@ -7536,14 +7547,11 @@ int __init l2cap_init(void)
 	debugfs_create_u16("l2cap_le_default_mps", 0644, bt_debugfs,
 			   &le_default_mps);
 
-	bt_6lowpan_init();
-
 	return 0;
 }
 
 void l2cap_exit(void)
 {
-	bt_6lowpan_cleanup();
 	debugfs_remove(l2cap_debugfs);
 	l2cap_cleanup_sockets();
 }
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index e1378693cc9..9bb4d1b3a48 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -361,7 +361,8 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr,
 	BT_DBG("sock %p, sk %p", sock, sk);
 
 	if (peer && sk->sk_state != BT_CONNECTED &&
-	    sk->sk_state != BT_CONNECT && sk->sk_state != BT_CONNECT2)
+	    sk->sk_state != BT_CONNECT && sk->sk_state != BT_CONNECT2 &&
+	    sk->sk_state != BT_CONFIG)
 		return -ENOTCONN;
 
 	memset(la, 0, sizeof(struct sockaddr_l2));
@@ -964,7 +965,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 		return err;
 
 	l2cap_chan_lock(chan);
-	err = l2cap_chan_send(chan, msg, len, sk->sk_priority);
+	err = l2cap_chan_send(chan, msg, len);
 	l2cap_chan_unlock(chan);
 
 	return err;
@@ -1292,6 +1293,7 @@ static void l2cap_sock_state_change_cb(struct l2cap_chan *chan, int state,
 }
 
 static struct sk_buff *l2cap_sock_alloc_skb_cb(struct l2cap_chan *chan,
+					       unsigned long hdr_len,
 					       unsigned long len, int nb)
 {
 	struct sock *sk = chan->data;
@@ -1299,17 +1301,26 @@ static struct sk_buff *l2cap_sock_alloc_skb_cb(struct l2cap_chan *chan,
 	int err;
 
 	l2cap_chan_unlock(chan);
-	skb = bt_skb_send_alloc(sk, len, nb, &err);
+	skb = bt_skb_send_alloc(sk, hdr_len + len, nb, &err);
 	l2cap_chan_lock(chan);
 
 	if (!skb)
 		return ERR_PTR(err);
 
+	skb->priority = sk->sk_priority;
+
 	bt_cb(skb)->chan = chan;
 
 	return skb;
 }
 
+static int l2cap_sock_memcpy_fromiovec_cb(struct l2cap_chan *chan,
+					  unsigned char *kdata,
+					  struct iovec *iov, int len)
+{
+	return memcpy_fromiovec(kdata, iov, len);
+}
+
 static void l2cap_sock_ready_cb(struct l2cap_chan *chan)
 {
 	struct sock *sk = chan->data;
@@ -1375,20 +1386,21 @@ static void l2cap_sock_suspend_cb(struct l2cap_chan *chan)
 	sk->sk_state_change(sk);
 }
 
-static struct l2cap_ops l2cap_chan_ops = {
-	.name		= "L2CAP Socket Interface",
-	.new_connection	= l2cap_sock_new_connection_cb,
-	.recv		= l2cap_sock_recv_cb,
-	.close		= l2cap_sock_close_cb,
-	.teardown	= l2cap_sock_teardown_cb,
-	.state_change	= l2cap_sock_state_change_cb,
-	.ready		= l2cap_sock_ready_cb,
-	.defer		= l2cap_sock_defer_cb,
-	.resume		= l2cap_sock_resume_cb,
-	.suspend	= l2cap_sock_suspend_cb,
-	.set_shutdown	= l2cap_sock_set_shutdown_cb,
-	.get_sndtimeo	= l2cap_sock_get_sndtimeo_cb,
-	.alloc_skb	= l2cap_sock_alloc_skb_cb,
+static const struct l2cap_ops l2cap_chan_ops = {
+	.name			= "L2CAP Socket Interface",
+	.new_connection		= l2cap_sock_new_connection_cb,
+	.recv			= l2cap_sock_recv_cb,
+	.close			= l2cap_sock_close_cb,
+	.teardown		= l2cap_sock_teardown_cb,
+	.state_change		= l2cap_sock_state_change_cb,
+	.ready			= l2cap_sock_ready_cb,
+	.defer			= l2cap_sock_defer_cb,
+	.resume			= l2cap_sock_resume_cb,
+	.suspend		= l2cap_sock_suspend_cb,
+	.set_shutdown		= l2cap_sock_set_shutdown_cb,
+	.get_sndtimeo		= l2cap_sock_get_sndtimeo_cb,
+	.alloc_skb		= l2cap_sock_alloc_skb_cb,
+	.memcpy_fromiovec	= l2cap_sock_memcpy_fromiovec_cb,
 };
 
 static void l2cap_sock_destruct(struct sock *sk)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index af8e0a6243b..91b1f92c681 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -35,7 +35,7 @@
 #include "smp.h"
 
 #define MGMT_VERSION	1
-#define MGMT_REVISION	6
+#define MGMT_REVISION	7
 
 static const u16 mgmt_commands[] = {
 	MGMT_OP_READ_INDEX_LIST,
@@ -85,6 +85,14 @@ static const u16 mgmt_commands[] = {
 	MGMT_OP_SET_PRIVACY,
 	MGMT_OP_LOAD_IRKS,
 	MGMT_OP_GET_CONN_INFO,
+	MGMT_OP_GET_CLOCK_INFO,
+	MGMT_OP_ADD_DEVICE,
+	MGMT_OP_REMOVE_DEVICE,
+	MGMT_OP_LOAD_CONN_PARAM,
+	MGMT_OP_READ_UNCONF_INDEX_LIST,
+	MGMT_OP_READ_CONFIG_INFO,
+	MGMT_OP_SET_EXTERNAL_CONFIG,
+	MGMT_OP_SET_PUBLIC_ADDRESS,
 };
 
 static const u16 mgmt_events[] = {
@@ -111,6 +119,12 @@ static const u16 mgmt_events[] = {
 	MGMT_EV_PASSKEY_NOTIFY,
 	MGMT_EV_NEW_IRK,
 	MGMT_EV_NEW_CSRK,
+	MGMT_EV_DEVICE_ADDED,
+	MGMT_EV_DEVICE_REMOVED,
+	MGMT_EV_NEW_CONN_PARAM,
+	MGMT_EV_UNCONF_INDEX_ADDED,
+	MGMT_EV_UNCONF_INDEX_REMOVED,
+	MGMT_EV_NEW_CONFIG_OPTIONS,
 };
 
 #define CACHE_TIMEOUT	msecs_to_jiffies(2 * 1000)
@@ -200,6 +214,36 @@ static u8 mgmt_status(u8 hci_status)
 	return MGMT_STATUS_FAILED;
 }
 
+static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
+		      struct sock *skip_sk)
+{
+	struct sk_buff *skb;
+	struct mgmt_hdr *hdr;
+
+	skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL);
+	if (!skb)
+		return -ENOMEM;
+
+	hdr = (void *) skb_put(skb, sizeof(*hdr));
+	hdr->opcode = cpu_to_le16(event);
+	if (hdev)
+		hdr->index = cpu_to_le16(hdev->id);
+	else
+		hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
+	hdr->len = cpu_to_le16(data_len);
+
+	if (data)
+		memcpy(skb_put(skb, data_len), data, data_len);
+
+	/* Time stamp */
+	__net_timestamp(skb);
+
+	hci_send_to_control(skb, skip_sk);
+	kfree_skb(skb);
+
+	return 0;
+}
+
 static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
 {
 	struct sk_buff *skb;
@@ -327,7 +371,8 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
 
 	count = 0;
 	list_for_each_entry(d, &hci_dev_list, list) {
-		if (d->dev_type == HCI_BREDR)
+		if (d->dev_type == HCI_BREDR &&
+		    !test_bit(HCI_UNCONFIGURED, &d->dev_flags))
 			count++;
 	}
 
@@ -340,13 +385,19 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
 
 	count = 0;
 	list_for_each_entry(d, &hci_dev_list, list) {
-		if (test_bit(HCI_SETUP, &d->dev_flags))
+		if (test_bit(HCI_SETUP, &d->dev_flags) ||
+		    test_bit(HCI_CONFIG, &d->dev_flags) ||
+		    test_bit(HCI_USER_CHANNEL, &d->dev_flags))
 			continue;
 
-		if (test_bit(HCI_USER_CHANNEL, &d->dev_flags))
+		/* Devices marked as raw-only are neither configured
+		 * nor unconfigured controllers.
+		 */
+		if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
 			continue;
 
-		if (d->dev_type == HCI_BREDR) {
+		if (d->dev_type == HCI_BREDR &&
+		    !test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
 			rp->index[count++] = cpu_to_le16(d->id);
 			BT_DBG("Added hci%u", d->id);
 		}
@@ -365,6 +416,138 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
 	return err;
 }
 
+static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
+				  void *data, u16 data_len)
+{
+	struct mgmt_rp_read_unconf_index_list *rp;
+	struct hci_dev *d;
+	size_t rp_len;
+	u16 count;
+	int err;
+
+	BT_DBG("sock %p", sk);
+
+	read_lock(&hci_dev_list_lock);
+
+	count = 0;
+	list_for_each_entry(d, &hci_dev_list, list) {
+		if (d->dev_type == HCI_BREDR &&
+		    test_bit(HCI_UNCONFIGURED, &d->dev_flags))
+			count++;
+	}
+
+	rp_len = sizeof(*rp) + (2 * count);
+	rp = kmalloc(rp_len, GFP_ATOMIC);
+	if (!rp) {
+		read_unlock(&hci_dev_list_lock);
+		return -ENOMEM;
+	}
+
+	count = 0;
+	list_for_each_entry(d, &hci_dev_list, list) {
+		if (test_bit(HCI_SETUP, &d->dev_flags) ||
+		    test_bit(HCI_CONFIG, &d->dev_flags) ||
+		    test_bit(HCI_USER_CHANNEL, &d->dev_flags))
+			continue;
+
+		/* Devices marked as raw-only are neither configured
+		 * nor unconfigured controllers.
+		 */
+		if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
+			continue;
+
+		if (d->dev_type == HCI_BREDR &&
+		    test_bit(HCI_UNCONFIGURED, &d->dev_flags)) {
+			rp->index[count++] = cpu_to_le16(d->id);
+			BT_DBG("Added hci%u", d->id);
+		}
+	}
+
+	rp->num_controllers = cpu_to_le16(count);
+	rp_len = sizeof(*rp) + (2 * count);
+
+	read_unlock(&hci_dev_list_lock);
+
+	err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_UNCONF_INDEX_LIST,
+			   0, rp, rp_len);
+
+	kfree(rp);
+
+	return err;
+}
+
+static bool is_configured(struct hci_dev *hdev)
+{
+	if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
+	    !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
+		return false;
+
+	if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
+	    !bacmp(&hdev->public_addr, BDADDR_ANY))
+		return false;
+
+	return true;
+}
+
+static __le32 get_missing_options(struct hci_dev *hdev)
+{
+	u32 options = 0;
+
+	if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
+	    !test_bit(HCI_EXT_CONFIGURED, &hdev->dev_flags))
+		options |= MGMT_OPTION_EXTERNAL_CONFIG;
+
+	if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
+	    !bacmp(&hdev->public_addr, BDADDR_ANY))
+		options |= MGMT_OPTION_PUBLIC_ADDRESS;
+
+	return cpu_to_le32(options);
+}
+
+static int new_options(struct hci_dev *hdev, struct sock *skip)
+{
+	__le32 options = get_missing_options(hdev);
+
+	return mgmt_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
+			  sizeof(options), skip);
+}
+
+static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
+{
+	__le32 options = get_missing_options(hdev);
+
+	return cmd_complete(sk, hdev->id, opcode, 0, &options,
+			    sizeof(options));
+}
+
+static int read_config_info(struct sock *sk, struct hci_dev *hdev,
+			    void *data, u16 data_len)
+{
+	struct mgmt_rp_read_config_info rp;
+	u32 options = 0;
+
+	BT_DBG("sock %p %s", sk, hdev->name);
+
+	hci_dev_lock(hdev);
+
+	memset(&rp, 0, sizeof(rp));
+	rp.manufacturer = cpu_to_le16(hdev->manufacturer);
+
+	if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
+		options |= MGMT_OPTION_EXTERNAL_CONFIG;
+
+	if (hdev->set_bdaddr)
+		options |= MGMT_OPTION_PUBLIC_ADDRESS;
+
+	rp.supported_options = cpu_to_le32(options);
+	rp.missing_options = get_missing_options(hdev);
+
+	hci_dev_unlock(hdev);
+
+	return cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0, &rp,
+			    sizeof(rp));
+}
+
 static u32 get_supported_settings(struct hci_dev *hdev)
 {
 	u32 settings = 0;
@@ -372,12 +555,12 @@ static u32 get_supported_settings(struct hci_dev *hdev)
 	settings |= MGMT_SETTING_POWERED;
 	settings |= MGMT_SETTING_PAIRABLE;
 	settings |= MGMT_SETTING_DEBUG_KEYS;
+	settings |= MGMT_SETTING_CONNECTABLE;
+	settings |= MGMT_SETTING_DISCOVERABLE;
 
 	if (lmp_bredr_capable(hdev)) {
-		settings |= MGMT_SETTING_CONNECTABLE;
 		if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
 			settings |= MGMT_SETTING_FAST_CONNECTABLE;
-		settings |= MGMT_SETTING_DISCOVERABLE;
 		settings |= MGMT_SETTING_BREDR;
 		settings |= MGMT_SETTING_LINK_SECURITY;
 
@@ -387,7 +570,7 @@ static u32 get_supported_settings(struct hci_dev *hdev)
 		}
 
 		if (lmp_sc_capable(hdev) ||
-		    test_bit(HCI_FORCE_SC, &hdev->dev_flags))
+		    test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
 			settings |= MGMT_SETTING_SECURE_CONN;
 	}
 
@@ -397,6 +580,10 @@ static u32 get_supported_settings(struct hci_dev *hdev)
 		settings |= MGMT_SETTING_PRIVACY;
 	}
 
+	if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
+	    hdev->set_bdaddr)
+		settings |= MGMT_SETTING_CONFIGURATION;
+
 	return settings;
 }
 
@@ -440,7 +627,7 @@ static u32 get_current_settings(struct hci_dev *hdev)
 	if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
 		settings |= MGMT_SETTING_SECURE_CONN;
 
-	if (test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags))
+	if (test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags))
 		settings |= MGMT_SETTING_DEBUG_KEYS;
 
 	if (test_bit(HCI_PRIVACY, &hdev->dev_flags))
@@ -571,6 +758,22 @@ static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
 	return NULL;
 }
 
+static struct pending_cmd *mgmt_pending_find_data(u16 opcode,
+						  struct hci_dev *hdev,
+						  const void *data)
+{
+	struct pending_cmd *cmd;
+
+	list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
+		if (cmd->user_data != data)
+			continue;
+		if (cmd->opcode == opcode)
+			return cmd;
+	}
+
+	return NULL;
+}
+
 static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
 {
 	u8 ad_len = 0;
@@ -836,6 +1039,13 @@ static bool get_connectable(struct hci_dev *hdev)
 	return test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
 }
 
+static void disable_advertising(struct hci_request *req)
+{
+	u8 enable = 0x00;
+
+	hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
+}
+
 static void enable_advertising(struct hci_request *req)
 {
 	struct hci_dev *hdev = req->hdev;
@@ -843,12 +1053,18 @@ static void enable_advertising(struct hci_request *req)
 	u8 own_addr_type, enable = 0x01;
 	bool connectable;
 
-	/* Clear the HCI_ADVERTISING bit temporarily so that the
+	if (hci_conn_num(hdev, LE_LINK) > 0)
+		return;
+
+	if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
+		disable_advertising(req);
+
+	/* Clear the HCI_LE_ADV bit temporarily so that the
 	 * hci_update_random_address knows that it's safe to go ahead
 	 * and write a new random address. The flag will be set back on
 	 * as soon as the SET_ADV_ENABLE HCI command completes.
 	 */
-	clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
+	clear_bit(HCI_LE_ADV, &hdev->dev_flags);
 
 	connectable = get_connectable(hdev);
 
@@ -871,13 +1087,6 @@ static void enable_advertising(struct hci_request *req)
 	hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
 }
 
-static void disable_advertising(struct hci_request *req)
-{
-	u8 enable = 0x00;
-
-	hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
-}
-
 static void service_cache_off(struct work_struct *work)
 {
 	struct hci_dev *hdev = container_of(work, struct hci_dev,
@@ -909,19 +1118,14 @@ static void rpa_expired(struct work_struct *work)
 
 	set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
 
-	if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags) ||
-	    hci_conn_num(hdev, LE_LINK) > 0)
+	if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
 		return;
 
 	/* The generation of a new RPA and programming it into the
 	 * controller happens in the enable_advertising() function.
 	 */
-
 	hci_req_init(&req, hdev);
-
-	disable_advertising(&req);
 	enable_advertising(&req);
-
 	hci_req_run(&req, NULL);
 }
 
@@ -984,7 +1188,7 @@ static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
 {
 	struct pending_cmd *cmd;
 
-	cmd = kmalloc(sizeof(*cmd), GFP_KERNEL);
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 	if (!cmd)
 		return NULL;
 
@@ -1047,7 +1251,7 @@ static void clean_up_hci_complete(struct hci_dev *hdev, u8 status)
 	}
 }
 
-static void hci_stop_discovery(struct hci_request *req)
+static bool hci_stop_discovery(struct hci_request *req)
 {
 	struct hci_dev *hdev = req->hdev;
 	struct hci_cp_remote_name_req_cancel cp;
@@ -1062,32 +1266,39 @@ static void hci_stop_discovery(struct hci_request *req)
 			hci_req_add_le_scan_disable(req);
 		}
 
-		break;
+		return true;
 
 	case DISCOVERY_RESOLVING:
 		e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
 						     NAME_PENDING);
 		if (!e)
-			return;
+			break;
 
 		bacpy(&cp.bdaddr, &e->data.bdaddr);
 		hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
 			    &cp);
 
-		break;
+		return true;
 
 	default:
 		/* Passive scanning */
-		if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
+		if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) {
 			hci_req_add_le_scan_disable(req);
+			return true;
+		}
+
 		break;
 	}
+
+	return false;
 }
 
 static int clean_up_hci_state(struct hci_dev *hdev)
 {
 	struct hci_request req;
 	struct hci_conn *conn;
+	bool discov_stopped;
+	int err;
 
 	hci_req_init(&req, hdev);
 
@@ -1097,10 +1308,10 @@ static int clean_up_hci_state(struct hci_dev *hdev)
 		hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
 	}
 
-	if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
+	if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
 		disable_advertising(&req);
 
-	hci_stop_discovery(&req);
+	discov_stopped = hci_stop_discovery(&req);
 
 	list_for_each_entry(conn, &hdev->conn_hash.list, list) {
 		struct hci_cp_disconnect dc;
@@ -1134,7 +1345,11 @@ static int clean_up_hci_state(struct hci_dev *hdev)
 		}
 	}
 
-	return hci_req_run(&req, clean_up_hci_complete);
+	err = hci_req_run(&req, clean_up_hci_complete);
+	if (!err && discov_stopped)
+		hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
+
+	return err;
 }
 
 static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
@@ -1203,36 +1418,6 @@ failed:
 	return err;
 }
 
-static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
-		      struct sock *skip_sk)
-{
-	struct sk_buff *skb;
-	struct mgmt_hdr *hdr;
-
-	skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL);
-	if (!skb)
-		return -ENOMEM;
-
-	hdr = (void *) skb_put(skb, sizeof(*hdr));
-	hdr->opcode = cpu_to_le16(event);
-	if (hdev)
-		hdr->index = cpu_to_le16(hdev->id);
-	else
-		hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
-	hdr->len = cpu_to_le16(data_len);
-
-	if (data)
-		memcpy(skb_put(skb, data_len), data, data_len);
-
-	/* Time stamp */
-	__net_timestamp(skb);
-
-	hci_send_to_control(skb, skip_sk);
-	kfree_skb(skb);
-
-	return 0;
-}
-
 static int new_settings(struct hci_dev *hdev, struct sock *skip)
 {
 	__le32 ev;
@@ -1242,6 +1427,11 @@ static int new_settings(struct hci_dev *hdev, struct sock *skip)
 	return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
 }
 
+int mgmt_new_settings(struct hci_dev *hdev)
+{
+	return new_settings(hdev, NULL);
+}
+
 struct cmd_lookup {
 	struct sock *sk;
 	struct hci_dev *hdev;
@@ -1577,8 +1767,10 @@ static void set_connectable_complete(struct hci_dev *hdev, u8 status)
 
 	send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
 
-	if (changed)
+	if (changed) {
 		new_settings(hdev, cmd->sk);
+		hci_update_background_scan(hdev);
+	}
 
 remove_cmd:
 	mgmt_pending_remove(cmd);
@@ -1607,8 +1799,10 @@ static int set_connectable_update_settings(struct hci_dev *hdev,
 	if (err < 0)
 		return err;
 
-	if (changed)
+	if (changed) {
+		hci_update_background_scan(hdev);
 		return new_settings(hdev, sk);
+	}
 
 	return 0;
 }
@@ -1689,10 +1883,8 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
 		write_fast_connectable(&req, false);
 
 	if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) &&
-	    hci_conn_num(hdev, LE_LINK) == 0) {
-		disable_advertising(&req);
+	    !test_bit(HCI_LE_ADV, &hdev->dev_flags))
 		enable_advertising(&req);
-	}
 
 	err = hci_req_run(&req, set_connectable_complete);
 	if (err < 0) {
@@ -1877,6 +2069,10 @@ static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 		goto failed;
 	}
 
+	if (!cp->val && test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
+		hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
+			     sizeof(cp->val), &cp->val);
+
 	err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
 	if (err < 0) {
 		mgmt_pending_remove(cmd);
@@ -1973,6 +2169,8 @@ static void le_enable_complete(struct hci_dev *hdev, u8 status)
 		update_scan_rsp_data(&req);
 		hci_req_run(&req, NULL);
 
+		hci_update_background_scan(hdev);
+
 		hci_dev_unlock(hdev);
 	}
 }
@@ -2050,7 +2248,7 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 		hci_cp.le = val;
 		hci_cp.simul = lmp_le_br_capable(hdev);
 	} else {
-		if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
+		if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
 			disable_advertising(&req);
 	}
 
@@ -2373,6 +2571,8 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
 			  u16 len)
 {
 	struct mgmt_cp_load_link_keys *cp = data;
+	const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
+				   sizeof(struct mgmt_link_key_info));
 	u16 key_count, expected_len;
 	bool changed;
 	int i;
@@ -2384,6 +2584,12 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
 				  MGMT_STATUS_NOT_SUPPORTED);
 
 	key_count = __le16_to_cpu(cp->key_count);
+	if (key_count > max_key_count) {
+		BT_ERR("load_link_keys: too big key_count value %u",
+		       key_count);
+		return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
+				  MGMT_STATUS_INVALID_PARAMS);
+	}
 
 	expected_len = sizeof(*cp) + key_count *
 					sizeof(struct mgmt_link_key_info);
@@ -2414,9 +2620,11 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
 	hci_link_keys_clear(hdev);
 
 	if (cp->debug_keys)
-		changed = !test_and_set_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
+		changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
+					    &hdev->dev_flags);
 	else
-		changed = test_and_clear_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
+		changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
+					     &hdev->dev_flags);
 
 	if (changed)
 		new_settings(hdev, NULL);
@@ -2424,8 +2632,14 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
 	for (i = 0; i < key_count; i++) {
 		struct mgmt_link_key_info *key = &cp->keys[i];
 
-		hci_add_link_key(hdev, NULL, 0, &key->addr.bdaddr, key->val,
-				 key->type, key->pin_len);
+		/* Always ignore debug keys and require a new pairing if
+		 * the user wants to use them.
+		 */
+		if (key->type == HCI_LK_DEBUG_COMBINATION)
+			continue;
+
+		hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
+				 key->type, key->pin_len, NULL);
 	}
 
 	cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
@@ -2766,6 +2980,10 @@ static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
 
 	BT_DBG("");
 
+	if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
+		return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
+				    MGMT_STATUS_INVALID_PARAMS, NULL, 0);
+
 	hci_dev_lock(hdev);
 
 	hdev->io_capability = cp->io_capability;
@@ -2878,6 +3096,11 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
 				    MGMT_STATUS_INVALID_PARAMS,
 				    &rp, sizeof(rp));
 
+	if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
+		return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
+				    MGMT_STATUS_INVALID_PARAMS,
+				    &rp, sizeof(rp));
+
 	hci_dev_lock(hdev);
 
 	if (!hdev_is_powered(hdev)) {
@@ -2902,8 +3125,20 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
 		else
 			addr_type = ADDR_LE_DEV_RANDOM;
 
+		/* When pairing a new device, it is expected to remember
+		 * this device for future connections. Adding the connection
+		 * parameter information ahead of time allows tracking
+		 * of the slave preferred values and will speed up any
+		 * further connection establishment.
+		 *
+		 * If connection parameters already exist, then they
+		 * will be kept and this function does nothing.
+		 */
+		hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
+
+		/* Request a connection with master = true role */
 		conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
-				      sec_level, auth_type);
+				      sec_level, HCI_LE_CONN_TIMEOUT, true);
 	}
 
 	if (IS_ERR(conn)) {
@@ -3031,14 +3266,7 @@ static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
 	}
 
 	if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
-		/* Continue with pairing via SMP. The hdev lock must be
-		 * released as SMP may try to recquire it for crypto
-		 * purposes.
-		 */
-		hci_dev_unlock(hdev);
 		err = smp_user_confirm_reply(conn, mgmt_op, passkey);
-		hci_dev_lock(hdev);
-
 		if (!err)
 			err = cmd_complete(sk, hdev->id, mgmt_op,
 					   MGMT_STATUS_SUCCESS, addr,
@@ -3516,11 +3744,21 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev,
 			goto failed;
 		}
 
-		if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
-			err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
-					 MGMT_STATUS_REJECTED);
-			mgmt_pending_remove(cmd);
-			goto failed;
+		if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
+			/* Don't let discovery abort an outgoing
+			 * connection attempt that's using directed
+			 * advertising.
+			 */
+			if (hci_conn_hash_lookup_state(hdev, LE_LINK,
+						       BT_CONNECT)) {
+				err = cmd_status(sk, hdev->id,
+						 MGMT_OP_START_DISCOVERY,
+						 MGMT_STATUS_REJECTED);
+				mgmt_pending_remove(cmd);
+				goto failed;
+			}
+
+			disable_advertising(&req);
 		}
 
 		/* If controller is scanning, it means the background scanning
@@ -3723,12 +3961,18 @@ static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
 
 	hci_dev_lock(hdev);
 
-	err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type);
-	if (err < 0)
+	err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
+				  cp->addr.type);
+	if (err < 0) {
 		status = MGMT_STATUS_FAILED;
-	else
-		status = MGMT_STATUS_SUCCESS;
+		goto done;
+	}
 
+	mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
+		   sk);
+	status = MGMT_STATUS_SUCCESS;
+
+done:
 	err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
 			   &cp->addr, sizeof(cp->addr));
 
@@ -3753,12 +3997,18 @@ static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
 
 	hci_dev_lock(hdev);
 
-	err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type);
-	if (err < 0)
+	err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
+				  cp->addr.type);
+	if (err < 0) {
 		status = MGMT_STATUS_INVALID_PARAMS;
-	else
-		status = MGMT_STATUS_SUCCESS;
+		goto done;
+	}
+
+	mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
+		   sk);
+	status = MGMT_STATUS_SUCCESS;
 
+done:
 	err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
 			   &cp->addr, sizeof(cp->addr));
 
@@ -3813,6 +4063,11 @@ static void set_advertising_complete(struct hci_dev *hdev, u8 status)
 		return;
 	}
 
+	if (test_bit(HCI_LE_ADV, &hdev->dev_flags))
+		set_bit(HCI_ADVERTISING, &hdev->dev_flags);
+	else
+		clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
+
 	mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
 			     &match);
 
@@ -3853,7 +4108,9 @@ static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
 	 * necessary).
 	 */
 	if (!hdev_is_powered(hdev) || val == enabled ||
-	    hci_conn_num(hdev, LE_LINK) > 0) {
+	    hci_conn_num(hdev, LE_LINK) > 0 ||
+	    (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
+	     hdev->le_scan_type == LE_SCAN_ACTIVE)) {
 		bool changed = false;
 
 		if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
@@ -4105,7 +4362,8 @@ static void set_bredr_scan(struct hci_request *req)
 	 */
 	write_fast_connectable(req, false);
 
-	if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
+	if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) ||
+	    !list_empty(&hdev->whitelist))
 		scan |= SCAN_PAGE;
 	if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
 		scan |= SCAN_INQUIRY;
@@ -4219,7 +4477,8 @@ static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 
 	hci_req_init(&req, hdev);
 
-	if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
+	if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) ||
+	    !list_empty(&hdev->whitelist))
 		set_bredr_scan(&req);
 
 	/* Since only the advertising data flags will change, there
@@ -4252,7 +4511,7 @@ static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
 				  status);
 
 	if (!lmp_sc_capable(hdev) &&
-	    !test_bit(HCI_FORCE_SC, &hdev->dev_flags))
+	    !test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
 		return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
 				  MGMT_STATUS_NOT_SUPPORTED);
 
@@ -4328,21 +4587,37 @@ static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
 			  void *data, u16 len)
 {
 	struct mgmt_mode *cp = data;
-	bool changed;
+	bool changed, use_changed;
 	int err;
 
 	BT_DBG("request for %s", hdev->name);
 
-	if (cp->val != 0x00 && cp->val != 0x01)
+	if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
 		return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
 				  MGMT_STATUS_INVALID_PARAMS);
 
 	hci_dev_lock(hdev);
 
 	if (cp->val)
-		changed = !test_and_set_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
+		changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
+					    &hdev->dev_flags);
+	else
+		changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
+					     &hdev->dev_flags);
+
+	if (cp->val == 0x02)
+		use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS,
+						&hdev->dev_flags);
 	else
-		changed = test_and_clear_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
+		use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS,
+						 &hdev->dev_flags);
+
+	if (hdev_is_powered(hdev) && use_changed &&
+	    test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
+		u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
+		hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
+			     sizeof(mode), &mode);
+	}
 
 	err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
 	if (err < 0)
@@ -4426,6 +4701,8 @@ static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
 		     u16 len)
 {
 	struct mgmt_cp_load_irks *cp = cp_data;
+	const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
+				   sizeof(struct mgmt_irk_info));
 	u16 irk_count, expected_len;
 	int i, err;
 
@@ -4436,6 +4713,11 @@ static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
 				  MGMT_STATUS_NOT_SUPPORTED);
 
 	irk_count = __le16_to_cpu(cp->irk_count);
+	if (irk_count > max_irk_count) {
+		BT_ERR("load_irks: too big irk_count value %u", irk_count);
+		return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
+				  MGMT_STATUS_INVALID_PARAMS);
+	}
 
 	expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
 	if (expected_len != len) {
@@ -4505,6 +4787,8 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
 			       void *cp_data, u16 len)
 {
 	struct mgmt_cp_load_long_term_keys *cp = cp_data;
+	const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
+				   sizeof(struct mgmt_ltk_info));
 	u16 key_count, expected_len;
 	int i, err;
 
@@ -4515,6 +4799,11 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
 				  MGMT_STATUS_NOT_SUPPORTED);
 
 	key_count = __le16_to_cpu(cp->key_count);
+	if (key_count > max_key_count) {
+		BT_ERR("load_ltks: too big key_count value %u", key_count);
+		return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
+				  MGMT_STATUS_INVALID_PARAMS);
+	}
 
 	expected_len = sizeof(*cp) + key_count *
 					sizeof(struct mgmt_ltk_info);
@@ -4550,9 +4839,9 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
 			addr_type = ADDR_LE_DEV_RANDOM;
 
 		if (key->master)
-			type = HCI_SMP_LTK;
+			type = SMP_LTK;
 		else
-			type = HCI_SMP_LTK_SLAVE;
+			type = SMP_LTK_SLAVE;
 
 		switch (key->type) {
 		case MGMT_LTK_UNAUTHENTICATED:
@@ -4790,6 +5079,559 @@ unlock:
 	return err;
 }
 
+static void get_clock_info_complete(struct hci_dev *hdev, u8 status)
+{
+	struct mgmt_cp_get_clock_info *cp;
+	struct mgmt_rp_get_clock_info rp;
+	struct hci_cp_read_clock *hci_cp;
+	struct pending_cmd *cmd;
+	struct hci_conn *conn;
+
+	BT_DBG("%s status %u", hdev->name, status);
+
+	hci_dev_lock(hdev);
+
+	hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
+	if (!hci_cp)
+		goto unlock;
+
+	if (hci_cp->which) {
+		u16 handle = __le16_to_cpu(hci_cp->handle);
+		conn = hci_conn_hash_lookup_handle(hdev, handle);
+	} else {
+		conn = NULL;
+	}
+
+	cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
+	if (!cmd)
+		goto unlock;
+
+	cp = cmd->param;
+
+	memset(&rp, 0, sizeof(rp));
+	memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
+
+	if (status)
+		goto send_rsp;
+
+	rp.local_clock = cpu_to_le32(hdev->clock);
+
+	if (conn) {
+		rp.piconet_clock = cpu_to_le32(conn->clock);
+		rp.accuracy = cpu_to_le16(conn->clock_accuracy);
+	}
+
+send_rsp:
+	cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
+		     &rp, sizeof(rp));
+	mgmt_pending_remove(cmd);
+	if (conn)
+		hci_conn_drop(conn);
+
+unlock:
+	hci_dev_unlock(hdev);
+}
+
+static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
+			 u16 len)
+{
+	struct mgmt_cp_get_clock_info *cp = data;
+	struct mgmt_rp_get_clock_info rp;
+	struct hci_cp_read_clock hci_cp;
+	struct pending_cmd *cmd;
+	struct hci_request req;
+	struct hci_conn *conn;
+	int err;
+
+	BT_DBG("%s", hdev->name);
+
+	memset(&rp, 0, sizeof(rp));
+	bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
+	rp.addr.type = cp->addr.type;
+
+	if (cp->addr.type != BDADDR_BREDR)
+		return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
+				    MGMT_STATUS_INVALID_PARAMS,
+				    &rp, sizeof(rp));
+
+	hci_dev_lock(hdev);
+
+	if (!hdev_is_powered(hdev)) {
+		err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
+				   MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
+		goto unlock;
+	}
+
+	if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
+		conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
+					       &cp->addr.bdaddr);
+		if (!conn || conn->state != BT_CONNECTED) {
+			err = cmd_complete(sk, hdev->id,
+					   MGMT_OP_GET_CLOCK_INFO,
+					   MGMT_STATUS_NOT_CONNECTED,
+					   &rp, sizeof(rp));
+			goto unlock;
+		}
+	} else {
+		conn = NULL;
+	}
+
+	cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
+	if (!cmd) {
+		err = -ENOMEM;
+		goto unlock;
+	}
+
+	hci_req_init(&req, hdev);
+
+	memset(&hci_cp, 0, sizeof(hci_cp));
+	hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
+
+	if (conn) {
+		hci_conn_hold(conn);
+		cmd->user_data = conn;
+
+		hci_cp.handle = cpu_to_le16(conn->handle);
+		hci_cp.which = 0x01; /* Piconet clock */
+		hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
+	}
+
+	err = hci_req_run(&req, get_clock_info_complete);
+	if (err < 0)
+		mgmt_pending_remove(cmd);
+
+unlock:
+	hci_dev_unlock(hdev);
+	return err;
+}
+
+/* Helper for Add/Remove Device commands */
+static void update_page_scan(struct hci_dev *hdev, u8 scan)
+{
+	if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
+		return;
+
+	if (!hdev_is_powered(hdev))
+		return;
+
+	/* If HCI_CONNECTABLE is set then Add/Remove Device should not
+	 * make any changes to page scanning.
+	 */
+	if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
+		return;
+
+	if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
+		scan |= SCAN_INQUIRY;
+
+	hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+}
+
+static void device_added(struct sock *sk, struct hci_dev *hdev,
+			 bdaddr_t *bdaddr, u8 type, u8 action)
+{
+	struct mgmt_ev_device_added ev;
+
+	bacpy(&ev.addr.bdaddr, bdaddr);
+	ev.addr.type = type;
+	ev.action = action;
+
+	mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
+}
+
+static int add_device(struct sock *sk, struct hci_dev *hdev,
+		      void *data, u16 len)
+{
+	struct mgmt_cp_add_device *cp = data;
+	u8 auto_conn, addr_type;
+	int err;
+
+	BT_DBG("%s", hdev->name);
+
+	if (!bdaddr_type_is_valid(cp->addr.type) ||
+	    !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
+		return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+				    MGMT_STATUS_INVALID_PARAMS,
+				    &cp->addr, sizeof(cp->addr));
+
+	if (cp->action != 0x00 && cp->action != 0x01)
+		return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+				    MGMT_STATUS_INVALID_PARAMS,
+				    &cp->addr, sizeof(cp->addr));
+
+	hci_dev_lock(hdev);
+
+	if (cp->addr.type == BDADDR_BREDR) {
+		bool update_scan;
+
+		/* Only "connect" action supported for now */
+		if (cp->action != 0x01) {
+			err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+					   MGMT_STATUS_INVALID_PARAMS,
+					   &cp->addr, sizeof(cp->addr));
+			goto unlock;
+		}
+
+		update_scan = list_empty(&hdev->whitelist);
+
+		err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
+					  cp->addr.type);
+		if (err)
+			goto unlock;
+
+		if (update_scan)
+			update_page_scan(hdev, SCAN_PAGE);
+
+		goto added;
+	}
+
+	if (cp->addr.type == BDADDR_LE_PUBLIC)
+		addr_type = ADDR_LE_DEV_PUBLIC;
+	else
+		addr_type = ADDR_LE_DEV_RANDOM;
+
+	if (cp->action)
+		auto_conn = HCI_AUTO_CONN_ALWAYS;
+	else
+		auto_conn = HCI_AUTO_CONN_REPORT;
+
+	/* If the connection parameters don't exist for this device,
+	 * they will be created and configured with defaults.
+	 */
+	if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
+				auto_conn) < 0) {
+		err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+				   MGMT_STATUS_FAILED,
+				   &cp->addr, sizeof(cp->addr));
+		goto unlock;
+	}
+
+added:
+	device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
+
+	err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+			   MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
+
+unlock:
+	hci_dev_unlock(hdev);
+	return err;
+}
+
+static void device_removed(struct sock *sk, struct hci_dev *hdev,
+			   bdaddr_t *bdaddr, u8 type)
+{
+	struct mgmt_ev_device_removed ev;
+
+	bacpy(&ev.addr.bdaddr, bdaddr);
+	ev.addr.type = type;
+
+	mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
+}
+
+static int remove_device(struct sock *sk, struct hci_dev *hdev,
+			 void *data, u16 len)
+{
+	struct mgmt_cp_remove_device *cp = data;
+	int err;
+
+	BT_DBG("%s", hdev->name);
+
+	hci_dev_lock(hdev);
+
+	if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
+		struct hci_conn_params *params;
+		u8 addr_type;
+
+		if (!bdaddr_type_is_valid(cp->addr.type)) {
+			err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
+					   MGMT_STATUS_INVALID_PARAMS,
+					   &cp->addr, sizeof(cp->addr));
+			goto unlock;
+		}
+
+		if (cp->addr.type == BDADDR_BREDR) {
+			err = hci_bdaddr_list_del(&hdev->whitelist,
+						  &cp->addr.bdaddr,
+						  cp->addr.type);
+			if (err) {
+				err = cmd_complete(sk, hdev->id,
+						   MGMT_OP_REMOVE_DEVICE,
+						   MGMT_STATUS_INVALID_PARAMS,
+						   &cp->addr, sizeof(cp->addr));
+				goto unlock;
+			}
+
+			if (list_empty(&hdev->whitelist))
+				update_page_scan(hdev, SCAN_DISABLED);
+
+			device_removed(sk, hdev, &cp->addr.bdaddr,
+				       cp->addr.type);
+			goto complete;
+		}
+
+		if (cp->addr.type == BDADDR_LE_PUBLIC)
+			addr_type = ADDR_LE_DEV_PUBLIC;
+		else
+			addr_type = ADDR_LE_DEV_RANDOM;
+
+		params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
+						addr_type);
+		if (!params) {
+			err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
+					   MGMT_STATUS_INVALID_PARAMS,
+					   &cp->addr, sizeof(cp->addr));
+			goto unlock;
+		}
+
+		if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
+			err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
+					   MGMT_STATUS_INVALID_PARAMS,
+					   &cp->addr, sizeof(cp->addr));
+			goto unlock;
+		}
+
+		list_del(&params->action);
+		list_del(&params->list);
+		kfree(params);
+		hci_update_background_scan(hdev);
+
+		device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
+	} else {
+		struct hci_conn_params *p, *tmp;
+		struct bdaddr_list *b, *btmp;
+
+		if (cp->addr.type) {
+			err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
+					   MGMT_STATUS_INVALID_PARAMS,
+					   &cp->addr, sizeof(cp->addr));
+			goto unlock;
+		}
+
+		list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
+			device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
+			list_del(&b->list);
+			kfree(b);
+		}
+
+		update_page_scan(hdev, SCAN_DISABLED);
+
+		list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
+			if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
+				continue;
+			device_removed(sk, hdev, &p->addr, p->addr_type);
+			list_del(&p->action);
+			list_del(&p->list);
+			kfree(p);
+		}
+
+		BT_DBG("All LE connection parameters were removed");
+
+		hci_update_background_scan(hdev);
+	}
+
+complete:
+	err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
+			   MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
+
+unlock:
+	hci_dev_unlock(hdev);
+	return err;
+}
+
+static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
+			   u16 len)
+{
+	struct mgmt_cp_load_conn_param *cp = data;
+	const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
+				     sizeof(struct mgmt_conn_param));
+	u16 param_count, expected_len;
+	int i;
+
+	if (!lmp_le_capable(hdev))
+		return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
+				  MGMT_STATUS_NOT_SUPPORTED);
+
+	param_count = __le16_to_cpu(cp->param_count);
+	if (param_count > max_param_count) {
+		BT_ERR("load_conn_param: too big param_count value %u",
+		       param_count);
+		return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
+				  MGMT_STATUS_INVALID_PARAMS);
+	}
+
+	expected_len = sizeof(*cp) + param_count *
+					sizeof(struct mgmt_conn_param);
+	if (expected_len != len) {
+		BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
+		       expected_len, len);
+		return cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
+				  MGMT_STATUS_INVALID_PARAMS);
+	}
+
+	BT_DBG("%s param_count %u", hdev->name, param_count);
+
+	hci_dev_lock(hdev);
+
+	hci_conn_params_clear_disabled(hdev);
+
+	for (i = 0; i < param_count; i++) {
+		struct mgmt_conn_param *param = &cp->params[i];
+		struct hci_conn_params *hci_param;
+		u16 min, max, latency, timeout;
+		u8 addr_type;
+
+		BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
+		       param->addr.type);
+
+		if (param->addr.type == BDADDR_LE_PUBLIC) {
+			addr_type = ADDR_LE_DEV_PUBLIC;
+		} else if (param->addr.type == BDADDR_LE_RANDOM) {
+			addr_type = ADDR_LE_DEV_RANDOM;
+		} else {
+			BT_ERR("Ignoring invalid connection parameters");
+			continue;
+		}
+
+		min = le16_to_cpu(param->min_interval);
+		max = le16_to_cpu(param->max_interval);
+		latency = le16_to_cpu(param->latency);
+		timeout = le16_to_cpu(param->timeout);
+
+		BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
+		       min, max, latency, timeout);
+
+		if (hci_check_conn_params(min, max, latency, timeout) < 0) {
+			BT_ERR("Ignoring invalid connection parameters");
+			continue;
+		}
+
+		hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
+						addr_type);
+		if (!hci_param) {
+			BT_ERR("Failed to add connection parameters");
+			continue;
+		}
+
+		hci_param->conn_min_interval = min;
+		hci_param->conn_max_interval = max;
+		hci_param->conn_latency = latency;
+		hci_param->supervision_timeout = timeout;
+	}
+
+	hci_dev_unlock(hdev);
+
+	return cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0, NULL, 0);
+}
+
+static int set_external_config(struct sock *sk, struct hci_dev *hdev,
+			       void *data, u16 len)
+{
+	struct mgmt_cp_set_external_config *cp = data;
+	bool changed;
+	int err;
+
+	BT_DBG("%s", hdev->name);
+
+	if (hdev_is_powered(hdev))
+		return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
+				  MGMT_STATUS_REJECTED);
+
+	if (cp->config != 0x00 && cp->config != 0x01)
+		return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
+				    MGMT_STATUS_INVALID_PARAMS);
+
+	if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
+		return cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
+				  MGMT_STATUS_NOT_SUPPORTED);
+
+	hci_dev_lock(hdev);
+
+	if (cp->config)
+		changed = !test_and_set_bit(HCI_EXT_CONFIGURED,
+					    &hdev->dev_flags);
+	else
+		changed = test_and_clear_bit(HCI_EXT_CONFIGURED,
+					     &hdev->dev_flags);
+
+	err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
+	if (err < 0)
+		goto unlock;
+
+	if (!changed)
+		goto unlock;
+
+	err = new_options(hdev, sk);
+
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) == is_configured(hdev)) {
+		mgmt_index_removed(hdev);
+
+		if (test_and_change_bit(HCI_UNCONFIGURED, &hdev->dev_flags)) {
+			set_bit(HCI_CONFIG, &hdev->dev_flags);
+			set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
+
+			queue_work(hdev->req_workqueue, &hdev->power_on);
+		} else {
+			set_bit(HCI_RAW, &hdev->flags);
+			mgmt_index_added(hdev);
+		}
+	}
+
+unlock:
+	hci_dev_unlock(hdev);
+	return err;
+}
+
+static int set_public_address(struct sock *sk, struct hci_dev *hdev,
+			      void *data, u16 len)
+{
+	struct mgmt_cp_set_public_address *cp = data;
+	bool changed;
+	int err;
+
+	BT_DBG("%s", hdev->name);
+
+	if (hdev_is_powered(hdev))
+		return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
+				  MGMT_STATUS_REJECTED);
+
+	if (!bacmp(&cp->bdaddr, BDADDR_ANY))
+		return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
+				  MGMT_STATUS_INVALID_PARAMS);
+
+	if (!hdev->set_bdaddr)
+		return cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
+				  MGMT_STATUS_NOT_SUPPORTED);
+
+	hci_dev_lock(hdev);
+
+	changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
+	bacpy(&hdev->public_addr, &cp->bdaddr);
+
+	err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
+	if (err < 0)
+		goto unlock;
+
+	if (!changed)
+		goto unlock;
+
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
+		err = new_options(hdev, sk);
+
+	if (is_configured(hdev)) {
+		mgmt_index_removed(hdev);
+
+		clear_bit(HCI_UNCONFIGURED, &hdev->dev_flags);
+
+		set_bit(HCI_CONFIG, &hdev->dev_flags);
+		set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
+
+		queue_work(hdev->req_workqueue, &hdev->power_on);
+	}
+
+unlock:
+	hci_dev_unlock(hdev);
+	return err;
+}
+
 static const struct mgmt_handler {
 	int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
 		     u16 data_len);
@@ -4846,9 +5688,16 @@ static const struct mgmt_handler {
 	{ set_privacy,            false, MGMT_SET_PRIVACY_SIZE },
 	{ load_irks,              true,  MGMT_LOAD_IRKS_SIZE },
 	{ get_conn_info,          false, MGMT_GET_CONN_INFO_SIZE },
+	{ get_clock_info,         false, MGMT_GET_CLOCK_INFO_SIZE },
+	{ add_device,             false, MGMT_ADD_DEVICE_SIZE },
+	{ remove_device,          false, MGMT_REMOVE_DEVICE_SIZE },
+	{ load_conn_param,        true,  MGMT_LOAD_CONN_PARAM_SIZE },
+	{ read_unconf_index_list, false, MGMT_READ_UNCONF_INDEX_LIST_SIZE },
+	{ read_config_info,       false, MGMT_READ_CONFIG_INFO_SIZE },
+	{ set_external_config,    false, MGMT_SET_EXTERNAL_CONFIG_SIZE },
+	{ set_public_address,     false, MGMT_SET_PUBLIC_ADDRESS_SIZE },
 };
 
-
 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
 {
 	void *buf;
@@ -4892,11 +5741,21 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
 		}
 
 		if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
+		    test_bit(HCI_CONFIG, &hdev->dev_flags) ||
 		    test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
 			err = cmd_status(sk, index, opcode,
 					 MGMT_STATUS_INVALID_INDEX);
 			goto done;
 		}
+
+		if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags) &&
+		    opcode != MGMT_OP_READ_CONFIG_INFO &&
+		    opcode != MGMT_OP_SET_EXTERNAL_CONFIG &&
+		    opcode != MGMT_OP_SET_PUBLIC_ADDRESS) {
+			err = cmd_status(sk, index, opcode,
+					 MGMT_STATUS_INVALID_INDEX);
+			goto done;
+		}
 	}
 
 	if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
@@ -4907,8 +5766,15 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
 		goto done;
 	}
 
-	if ((hdev && opcode < MGMT_OP_READ_INFO) ||
-	    (!hdev && opcode >= MGMT_OP_READ_INFO)) {
+	if (hdev && (opcode <= MGMT_OP_READ_INDEX_LIST ||
+		     opcode == MGMT_OP_READ_UNCONF_INDEX_LIST)) {
+		err = cmd_status(sk, index, opcode,
+				 MGMT_STATUS_INVALID_INDEX);
+		goto done;
+	}
+
+	if (!hdev && (opcode > MGMT_OP_READ_INDEX_LIST &&
+		      opcode != MGMT_OP_READ_UNCONF_INDEX_LIST)) {
 		err = cmd_status(sk, index, opcode,
 				 MGMT_STATUS_INVALID_INDEX);
 		goto done;
@@ -4947,7 +5813,13 @@ void mgmt_index_added(struct hci_dev *hdev)
 	if (hdev->dev_type != HCI_BREDR)
 		return;
 
-	mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
+	if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
+		return;
+
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
+		mgmt_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev, NULL, 0, NULL);
+	else
+		mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
 }
 
 void mgmt_index_removed(struct hci_dev *hdev)
@@ -4957,20 +5829,41 @@ void mgmt_index_removed(struct hci_dev *hdev)
 	if (hdev->dev_type != HCI_BREDR)
 		return;
 
+	if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
+		return;
+
 	mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
 
-	mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
+	if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
+		mgmt_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0, NULL);
+	else
+		mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
 }
 
 /* This function requires the caller holds hdev->lock */
-static void restart_le_auto_conns(struct hci_dev *hdev)
+static void restart_le_actions(struct hci_dev *hdev)
 {
 	struct hci_conn_params *p;
 
 	list_for_each_entry(p, &hdev->le_conn_params, list) {
-		if (p->auto_connect == HCI_AUTO_CONN_ALWAYS)
-			hci_pend_le_conn_add(hdev, &p->addr, p->addr_type);
+		/* Needed for AUTO_OFF case where might not "really"
+		 * have been powered off.
+		 */
+		list_del_init(&p->action);
+
+		switch (p->auto_connect) {
+		case HCI_AUTO_CONN_ALWAYS:
+			list_add(&p->action, &hdev->pend_le_conns);
+			break;
+		case HCI_AUTO_CONN_REPORT:
+			list_add(&p->action, &hdev->pend_le_reports);
+			break;
+		default:
+			break;
+		}
 	}
+
+	hci_update_background_scan(hdev);
 }
 
 static void powered_complete(struct hci_dev *hdev, u8 status)
@@ -4981,7 +5874,7 @@ static void powered_complete(struct hci_dev *hdev, u8 status)
 
 	hci_dev_lock(hdev);
 
-	restart_le_auto_conns(hdev);
+	restart_le_actions(hdev);
 
 	mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
 
@@ -5190,6 +6083,14 @@ void mgmt_connectable(struct hci_dev *hdev, u8 connectable)
 	if (!connectable && mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
 		return;
 
+	/* If something else than mgmt changed the page scan state we
+	 * can't differentiate this from a change triggered by adding
+	 * the first element to the whitelist. Therefore, avoid
+	 * incorrectly setting HCI_CONNECTABLE.
+	 */
+	if (connectable && !list_empty(&hdev->whitelist))
+		return;
+
 	if (connectable)
 		changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
 	else
@@ -5199,18 +6100,6 @@ void mgmt_connectable(struct hci_dev *hdev, u8 connectable)
 		new_settings(hdev, NULL);
 }
 
-void mgmt_advertising(struct hci_dev *hdev, u8 advertising)
-{
-	/* Powering off may stop advertising - don't let that interfere */
-	if (!advertising && mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
-		return;
-
-	if (advertising)
-		set_bit(HCI_ADVERTISING, &hdev->dev_flags);
-	else
-		clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
-}
-
 void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status)
 {
 	u8 mgmt_err = mgmt_status(status);
@@ -5279,7 +6168,7 @@ void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
 	ev.key.ediv = key->ediv;
 	ev.key.rand = key->rand;
 
-	if (key->type == HCI_SMP_LTK)
+	if (key->type == SMP_LTK)
 		ev.key.master = 1;
 
 	memcpy(ev.key.val, key->val, sizeof(key->val));
@@ -5347,6 +6236,27 @@ void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
 	mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
 }
 
+void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
+			 u8 bdaddr_type, u8 store_hint, u16 min_interval,
+			 u16 max_interval, u16 latency, u16 timeout)
+{
+	struct mgmt_ev_new_conn_param ev;
+
+	if (!hci_is_identity_address(bdaddr, bdaddr_type))
+		return;
+
+	memset(&ev, 0, sizeof(ev));
+	bacpy(&ev.addr.bdaddr, bdaddr);
+	ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
+	ev.store_hint = store_hint;
+	ev.min_interval = cpu_to_le16(min_interval);
+	ev.max_interval = cpu_to_le16(max_interval);
+	ev.latency = cpu_to_le16(latency);
+	ev.timeout = cpu_to_le16(timeout);
+
+	mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
+}
+
 static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
 				  u8 data_len)
 {
@@ -5765,10 +6675,14 @@ void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
 
 	hci_req_init(&req, hdev);
 
-	if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
+	if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
+		if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
+			hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
+				    sizeof(enable), &enable);
 		update_eir(&req);
-	else
+	} else {
 		clear_eir(&req);
+	}
 
 	hci_req_run(&req, NULL);
 }
@@ -5912,17 +6826,23 @@ void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
 }
 
 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
-		       u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name,
-		       u8 ssp, u8 *eir, u16 eir_len, u8 *scan_rsp,
-		       u8 scan_rsp_len)
+		       u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
+		       u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
 {
 	char buf[512];
 	struct mgmt_ev_device_found *ev = (void *) buf;
-	struct smp_irk *irk;
 	size_t ev_size;
 
-	if (!hci_discovery_active(hdev))
-		return;
+	/* Don't send events for a non-kernel initiated discovery. With
+	 * LE one exception is if we have pend_le_reports > 0 in which
+	 * case we're doing passive scanning and want these events.
+	 */
+	if (!hci_discovery_active(hdev)) {
+		if (link_type == ACL_LINK)
+			return;
+		if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
+			return;
+	}
 
 	/* Make sure that the buffer is big enough. The 5 extra bytes
 	 * are for the potential CoD field.
@@ -5932,20 +6852,10 @@ void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
 
 	memset(buf, 0, sizeof(buf));
 
-	irk = hci_get_irk(hdev, bdaddr, addr_type);
-	if (irk) {
-		bacpy(&ev->addr.bdaddr, &irk->bdaddr);
-		ev->addr.type = link_to_bdaddr(link_type, irk->addr_type);
-	} else {
-		bacpy(&ev->addr.bdaddr, bdaddr);
-		ev->addr.type = link_to_bdaddr(link_type, addr_type);
-	}
-
+	bacpy(&ev->addr.bdaddr, bdaddr);
+	ev->addr.type = link_to_bdaddr(link_type, addr_type);
 	ev->rssi = rssi;
-	if (cfm_name)
-		ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME);
-	if (!ssp)
-		ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING);
+	ev->flags = cpu_to_le32(flags);
 
 	if (eir_len > 0)
 		memcpy(ev->eir, eir, eir_len);
@@ -6013,63 +6923,19 @@ void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
 	mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
 }
 
-int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
-{
-	struct pending_cmd *cmd;
-	struct mgmt_ev_device_blocked ev;
-
-	cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, hdev);
-
-	bacpy(&ev.addr.bdaddr, bdaddr);
-	ev.addr.type = type;
-
-	return mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &ev, sizeof(ev),
-			  cmd ? cmd->sk : NULL);
-}
-
-int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
-{
-	struct pending_cmd *cmd;
-	struct mgmt_ev_device_unblocked ev;
-
-	cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, hdev);
-
-	bacpy(&ev.addr.bdaddr, bdaddr);
-	ev.addr.type = type;
-
-	return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &ev, sizeof(ev),
-			  cmd ? cmd->sk : NULL);
-}
-
 static void adv_enable_complete(struct hci_dev *hdev, u8 status)
 {
 	BT_DBG("%s status %u", hdev->name, status);
-
-	/* Clear the advertising mgmt setting if we failed to re-enable it */
-	if (status) {
-		clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
-		new_settings(hdev, NULL);
-	}
 }
 
 void mgmt_reenable_advertising(struct hci_dev *hdev)
 {
 	struct hci_request req;
 
-	if (hci_conn_num(hdev, LE_LINK) > 0)
-		return;
-
 	if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
 		return;
 
 	hci_req_init(&req, hdev);
 	enable_advertising(&req);
-
-	/* If this fails we have no option but to let user space know
-	 * that we've disabled advertising.
-	 */
-	if (hci_req_run(&req, adv_enable_complete) < 0) {
-		clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
-		new_settings(hdev, NULL);
-	}
+	hci_req_run(&req, adv_enable_complete);
 }
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index e33a982161c..55c41de2f5a 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -35,11 +35,13 @@
 
 #define AUTH_REQ_MASK   0x07
 
-#define SMP_FLAG_TK_VALID	1
-#define SMP_FLAG_CFM_PENDING	2
-#define SMP_FLAG_MITM_AUTH	3
-#define SMP_FLAG_COMPLETE	4
-#define SMP_FLAG_INITIATOR	5
+enum {
+	SMP_FLAG_TK_VALID,
+	SMP_FLAG_CFM_PENDING,
+	SMP_FLAG_MITM_AUTH,
+	SMP_FLAG_COMPLETE,
+	SMP_FLAG_INITIATOR,
+};
 
 struct smp_chan {
 	struct l2cap_conn *conn;
@@ -60,20 +62,16 @@ struct smp_chan {
 	struct smp_ltk	*slave_ltk;
 	struct smp_irk	*remote_irk;
 	unsigned long	flags;
+
+	struct crypto_blkcipher	*tfm_aes;
 };
 
-static inline void swap128(const u8 src[16], u8 dst[16])
+static inline void swap_buf(const u8 *src, u8 *dst, size_t len)
 {
-	int i;
-	for (i = 0; i < 16; i++)
-		dst[15 - i] = src[i];
-}
+	size_t i;
 
-static inline void swap56(const u8 src[7], u8 dst[7])
-{
-	int i;
-	for (i = 0; i < 7; i++)
-		dst[6 - i] = src[i];
+	for (i = 0; i < len; i++)
+		dst[len - 1 - i] = src[i];
 }
 
 static int smp_e(struct crypto_blkcipher *tfm, const u8 *k, u8 *r)
@@ -92,7 +90,7 @@ static int smp_e(struct crypto_blkcipher *tfm, const u8 *k, u8 *r)
 	desc.flags = 0;
 
 	/* The most significant octet of key corresponds to k[0] */
-	swap128(k, tmp);
+	swap_buf(k, tmp, 16);
 
 	err = crypto_blkcipher_setkey(tfm, tmp, 16);
 	if (err) {
@@ -101,7 +99,7 @@ static int smp_e(struct crypto_blkcipher *tfm, const u8 *k, u8 *r)
 	}
 
 	/* Most significant octet of plaintextData corresponds to data[0] */
-	swap128(r, data);
+	swap_buf(r, data, 16);
 
 	sg_init_one(&sg, data, 16);
 
@@ -110,7 +108,7 @@ static int smp_e(struct crypto_blkcipher *tfm, const u8 *k, u8 *r)
 		BT_ERR("Encrypt data error %d", err);
 
 	/* Most significant octet of encryptedData corresponds to data[0] */
-	swap128(data, r);
+	swap_buf(data, r, 16);
 
 	return err;
 }
@@ -174,13 +172,16 @@ int smp_generate_rpa(struct crypto_blkcipher *tfm, u8 irk[16], bdaddr_t *rpa)
 	return 0;
 }
 
-static int smp_c1(struct crypto_blkcipher *tfm, u8 k[16], u8 r[16],
-		  u8 preq[7], u8 pres[7], u8 _iat, bdaddr_t *ia,
-		  u8 _rat, bdaddr_t *ra, u8 res[16])
+static int smp_c1(struct smp_chan *smp, u8 k[16], u8 r[16], u8 preq[7],
+		  u8 pres[7], u8 _iat, bdaddr_t *ia, u8 _rat, bdaddr_t *ra,
+		  u8 res[16])
 {
+	struct hci_dev *hdev = smp->conn->hcon->hdev;
 	u8 p1[16], p2[16];
 	int err;
 
+	BT_DBG("%s", hdev->name);
+
 	memset(p1, 0, 16);
 
 	/* p1 = pres || preq || _rat || _iat */
@@ -198,7 +199,7 @@ static int smp_c1(struct crypto_blkcipher *tfm, u8 k[16], u8 r[16],
 	u128_xor((u128 *) res, (u128 *) r, (u128 *) p1);
 
 	/* res = e(k, res) */
-	err = smp_e(tfm, k, res);
+	err = smp_e(smp->tfm_aes, k, res);
 	if (err) {
 		BT_ERR("Encrypt data error");
 		return err;
@@ -208,23 +209,26 @@ static int smp_c1(struct crypto_blkcipher *tfm, u8 k[16], u8 r[16],
 	u128_xor((u128 *) res, (u128 *) res, (u128 *) p2);
 
 	/* res = e(k, res) */
-	err = smp_e(tfm, k, res);
+	err = smp_e(smp->tfm_aes, k, res);
 	if (err)
 		BT_ERR("Encrypt data error");
 
 	return err;
 }
 
-static int smp_s1(struct crypto_blkcipher *tfm, u8 k[16], u8 r1[16],
-		  u8 r2[16], u8 _r[16])
+static int smp_s1(struct smp_chan *smp, u8 k[16], u8 r1[16], u8 r2[16],
+		  u8 _r[16])
 {
+	struct hci_dev *hdev = smp->conn->hcon->hdev;
 	int err;
 
+	BT_DBG("%s", hdev->name);
+
 	/* Just least significant octets from r1 and r2 are considered */
 	memcpy(_r, r2, 8);
 	memcpy(_r + 8, r1, 8);
 
-	err = smp_e(tfm, k, _r);
+	err = smp_e(smp->tfm_aes, k, _r);
 	if (err)
 		BT_ERR("Encrypt data error");
 
@@ -439,7 +443,7 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth,
 	 * Confirms and the slave Enters the passkey.
 	 */
 	if (method == OVERLAP) {
-		if (hcon->link_mode & HCI_LM_MASTER)
+		if (test_bit(HCI_CONN_MASTER, &hcon->flags))
 			method = CFM_PASSKEY;
 		else
 			method = REQ_PASSKEY;
@@ -477,23 +481,15 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth,
 static u8 smp_confirm(struct smp_chan *smp)
 {
 	struct l2cap_conn *conn = smp->conn;
-	struct hci_dev *hdev = conn->hcon->hdev;
-	struct crypto_blkcipher *tfm = hdev->tfm_aes;
 	struct smp_cmd_pairing_confirm cp;
 	int ret;
 
 	BT_DBG("conn %p", conn);
 
-	/* Prevent mutual access to hdev->tfm_aes */
-	hci_dev_lock(hdev);
-
-	ret = smp_c1(tfm, smp->tk, smp->prnd, smp->preq, smp->prsp,
+	ret = smp_c1(smp, smp->tk, smp->prnd, smp->preq, smp->prsp,
 		     conn->hcon->init_addr_type, &conn->hcon->init_addr,
 		     conn->hcon->resp_addr_type, &conn->hcon->resp_addr,
 		     cp.confirm_val);
-
-	hci_dev_unlock(hdev);
-
 	if (ret)
 		return SMP_UNSPECIFIED;
 
@@ -508,25 +504,17 @@ static u8 smp_random(struct smp_chan *smp)
 {
 	struct l2cap_conn *conn = smp->conn;
 	struct hci_conn *hcon = conn->hcon;
-	struct hci_dev *hdev = hcon->hdev;
-	struct crypto_blkcipher *tfm = hdev->tfm_aes;
 	u8 confirm[16];
 	int ret;
 
-	if (IS_ERR_OR_NULL(tfm))
+	if (IS_ERR_OR_NULL(smp->tfm_aes))
 		return SMP_UNSPECIFIED;
 
 	BT_DBG("conn %p %s", conn, conn->hcon->out ? "master" : "slave");
 
-	/* Prevent mutual access to hdev->tfm_aes */
-	hci_dev_lock(hdev);
-
-	ret = smp_c1(tfm, smp->tk, smp->rrnd, smp->preq, smp->prsp,
+	ret = smp_c1(smp, smp->tk, smp->rrnd, smp->preq, smp->prsp,
 		     hcon->init_addr_type, &hcon->init_addr,
 		     hcon->resp_addr_type, &hcon->resp_addr, confirm);
-
-	hci_dev_unlock(hdev);
-
 	if (ret)
 		return SMP_UNSPECIFIED;
 
@@ -540,7 +528,7 @@ static u8 smp_random(struct smp_chan *smp)
 		__le64 rand = 0;
 		__le16 ediv = 0;
 
-		smp_s1(tfm, smp->tk, smp->rrnd, smp->prnd, stk);
+		smp_s1(smp, smp->tk, smp->rrnd, smp->prnd, stk);
 
 		memset(stk + smp->enc_key_size, 0,
 		       SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size);
@@ -550,6 +538,7 @@ static u8 smp_random(struct smp_chan *smp)
 
 		hci_le_start_enc(hcon, ediv, rand, stk);
 		hcon->enc_key_size = smp->enc_key_size;
+		set_bit(HCI_CONN_STK_ENCRYPT, &hcon->flags);
 	} else {
 		u8 stk[16], auth;
 		__le64 rand = 0;
@@ -558,7 +547,7 @@ static u8 smp_random(struct smp_chan *smp)
 		smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(smp->prnd),
 			     smp->prnd);
 
-		smp_s1(tfm, smp->tk, smp->prnd, smp->rrnd, stk);
+		smp_s1(smp, smp->tk, smp->prnd, smp->rrnd, stk);
 
 		memset(stk + smp->enc_key_size, 0,
 		       SMP_MAX_ENC_KEY_SIZE - smp->enc_key_size);
@@ -568,9 +557,12 @@ static u8 smp_random(struct smp_chan *smp)
 		else
 			auth = 0;
 
+		/* Even though there's no _SLAVE suffix this is the
+		 * slave STK we're adding for later lookup (the master
+		 * STK never needs to be stored).
+		 */
 		hci_add_ltk(hcon->hdev, &hcon->dst, hcon->dst_type,
-			    HCI_SMP_STK_SLAVE, auth, stk, smp->enc_key_size,
-			    ediv, rand);
+			    SMP_STK, auth, stk, smp->enc_key_size, ediv, rand);
 	}
 
 	return 0;
@@ -584,9 +576,15 @@ static struct smp_chan *smp_chan_create(struct l2cap_conn *conn)
 	if (!smp)
 		return NULL;
 
+	smp->tfm_aes = crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC);
+	if (IS_ERR(smp->tfm_aes)) {
+		BT_ERR("Unable to create ECB crypto context");
+		kfree(smp);
+		return NULL;
+	}
+
 	smp->conn = conn;
 	conn->smp_chan = smp;
-	conn->hcon->smp_conn = conn;
 
 	hci_conn_hold(conn->hcon);
 
@@ -606,6 +604,8 @@ void smp_chan_destroy(struct l2cap_conn *conn)
 	kfree(smp->csrk);
 	kfree(smp->slave_csrk);
 
+	crypto_free_blkcipher(smp->tfm_aes);
+
 	/* If pairing failed clean up any keys we might have */
 	if (!complete) {
 		if (smp->ltk) {
@@ -626,19 +626,18 @@ void smp_chan_destroy(struct l2cap_conn *conn)
 
 	kfree(smp);
 	conn->smp_chan = NULL;
-	conn->hcon->smp_conn = NULL;
 	hci_conn_drop(conn->hcon);
 }
 
 int smp_user_confirm_reply(struct hci_conn *hcon, u16 mgmt_op, __le32 passkey)
 {
-	struct l2cap_conn *conn = hcon->smp_conn;
+	struct l2cap_conn *conn = hcon->l2cap_data;
 	struct smp_chan *smp;
 	u32 value;
 
 	BT_DBG("");
 
-	if (!conn)
+	if (!conn || !test_bit(HCI_CONN_LE_SMP_PEND, &hcon->flags))
 		return -ENOTCONN;
 
 	smp = conn->smp_chan;
@@ -684,7 +683,7 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
 	if (skb->len < sizeof(*req))
 		return SMP_INVALID_PARAMS;
 
-	if (conn->hcon->link_mode & HCI_LM_MASTER)
+	if (test_bit(HCI_CONN_MASTER, &conn->hcon->flags))
 		return SMP_CMD_NOTSUPP;
 
 	if (!test_and_set_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->flags))
@@ -751,7 +750,7 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb)
 	if (skb->len < sizeof(*rsp))
 		return SMP_INVALID_PARAMS;
 
-	if (!(conn->hcon->link_mode & HCI_LM_MASTER))
+	if (!test_bit(HCI_CONN_MASTER, &conn->hcon->flags))
 		return SMP_CMD_NOTSUPP;
 
 	skb_pull(skb, sizeof(*rsp));
@@ -839,7 +838,7 @@ static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb)
 	return smp_random(smp);
 }
 
-static u8 smp_ltk_encrypt(struct l2cap_conn *conn, u8 sec_level)
+static bool smp_ltk_encrypt(struct l2cap_conn *conn, u8 sec_level)
 {
 	struct smp_ltk *key;
 	struct hci_conn *hcon = conn->hcon;
@@ -847,18 +846,40 @@ static u8 smp_ltk_encrypt(struct l2cap_conn *conn, u8 sec_level)
 	key = hci_find_ltk_by_addr(hcon->hdev, &hcon->dst, hcon->dst_type,
 				   hcon->out);
 	if (!key)
-		return 0;
+		return false;
 
 	if (sec_level > BT_SECURITY_MEDIUM && !key->authenticated)
-		return 0;
+		return false;
 
 	if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->flags))
-		return 1;
+		return true;
 
 	hci_le_start_enc(hcon, key->ediv, key->rand, key->val);
 	hcon->enc_key_size = key->enc_size;
 
-	return 1;
+	/* We never store STKs for master role, so clear this flag */
+	clear_bit(HCI_CONN_STK_ENCRYPT, &hcon->flags);
+
+	return true;
+}
+
+bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level)
+{
+	if (sec_level == BT_SECURITY_LOW)
+		return true;
+
+	/* If we're encrypted with an STK always claim insufficient
+	 * security. This way we allow the connection to be re-encrypted
+	 * with an LTK, even if the LTK provides the same level of
+	 * security.
+	 */
+	if (test_bit(HCI_CONN_STK_ENCRYPT, &hcon->flags))
+		return false;
+
+	if (hcon->sec_level >= sec_level)
+		return true;
+
+	return false;
 }
 
 static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
@@ -874,10 +895,13 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
 	if (skb->len < sizeof(*rp))
 		return SMP_INVALID_PARAMS;
 
-	if (!(conn->hcon->link_mode & HCI_LM_MASTER))
+	if (!test_bit(HCI_CONN_MASTER, &conn->hcon->flags))
 		return SMP_CMD_NOTSUPP;
 
 	sec_level = authreq_to_seclevel(rp->auth_req);
+	if (smp_sufficient_security(hcon, sec_level))
+		return 0;
+
 	if (sec_level > hcon->pending_sec_level)
 		hcon->pending_sec_level = sec_level;
 
@@ -888,6 +912,8 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
 		return 0;
 
 	smp = smp_chan_create(conn);
+	if (!smp)
+		return SMP_UNSPECIFIED;
 
 	skb_pull(skb, sizeof(*rp));
 
@@ -904,17 +930,6 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
 	return 0;
 }
 
-bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level)
-{
-	if (sec_level == BT_SECURITY_LOW)
-		return true;
-
-	if (hcon->sec_level >= sec_level)
-		return true;
-
-	return false;
-}
-
 int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
 {
 	struct l2cap_conn *conn = hcon->l2cap_data;
@@ -936,7 +951,7 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
 	if (sec_level > hcon->pending_sec_level)
 		hcon->pending_sec_level = sec_level;
 
-	if (hcon->link_mode & HCI_LM_MASTER)
+	if (test_bit(HCI_CONN_MASTER, &hcon->flags))
 		if (smp_ltk_encrypt(conn, hcon->pending_sec_level))
 			return 0;
 
@@ -956,7 +971,7 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
 	    hcon->pending_sec_level > BT_SECURITY_MEDIUM)
 		authreq |= SMP_AUTH_MITM;
 
-	if (hcon->link_mode & HCI_LM_MASTER) {
+	if (test_bit(HCI_CONN_MASTER, &hcon->flags)) {
 		struct smp_cmd_pairing cp;
 
 		build_pairing_cmd(conn, &cp, NULL, authreq);
@@ -1021,7 +1036,7 @@ static int smp_cmd_master_ident(struct l2cap_conn *conn, struct sk_buff *skb)
 
 	hci_dev_lock(hdev);
 	authenticated = (hcon->sec_level == BT_SECURITY_HIGH);
-	ltk = hci_add_ltk(hdev, &hcon->dst, hcon->dst_type, HCI_SMP_LTK,
+	ltk = hci_add_ltk(hdev, &hcon->dst, hcon->dst_type, SMP_LTK,
 			  authenticated, smp->tk, smp->enc_key_size,
 			  rp->ediv, rp->rand);
 	smp->ltk = ltk;
@@ -1075,6 +1090,8 @@ static int smp_cmd_ident_addr_info(struct l2cap_conn *conn,
 
 	skb_pull(skb, sizeof(*info));
 
+	hci_dev_lock(hcon->hdev);
+
 	/* Strictly speaking the Core Specification (4.1) allows sending
 	 * an empty address which would force us to rely on just the IRK
 	 * as "identity information". However, since such
@@ -1084,8 +1101,7 @@ static int smp_cmd_ident_addr_info(struct l2cap_conn *conn,
 	 */
 	if (!bacmp(&info->bdaddr, BDADDR_ANY)) {
 		BT_ERR("Ignoring IRK with no identity address");
-		smp_distribute_keys(conn);
-		return 0;
+		goto distribute;
 	}
 
 	bacpy(&smp->id_addr, &info->bdaddr);
@@ -1099,8 +1115,11 @@ static int smp_cmd_ident_addr_info(struct l2cap_conn *conn,
 	smp->remote_irk = hci_add_irk(conn->hcon->hdev, &smp->id_addr,
 				      smp->id_addr_type, smp->irk, &rpa);
 
+distribute:
 	smp_distribute_keys(conn);
 
+	hci_dev_unlock(hcon->hdev);
+
 	return 0;
 }
 
@@ -1337,7 +1356,7 @@ int smp_distribute_keys(struct l2cap_conn *conn)
 
 		authenticated = hcon->sec_level == BT_SECURITY_HIGH;
 		ltk = hci_add_ltk(hdev, &hcon->dst, hcon->dst_type,
-				  HCI_SMP_LTK_SLAVE, authenticated, enc.ltk,
+				  SMP_LTK_SLAVE, authenticated, enc.ltk,
 				  smp->enc_key_size, ediv, rand);
 		smp->slave_ltk = ltk;
 
diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h
index 5a8dc36460a..796f4f45f92 100644
--- a/net/bluetooth/smp.h
+++ b/net/bluetooth/smp.h
@@ -116,6 +116,13 @@ struct smp_cmd_security_req {
 #define SMP_MIN_ENC_KEY_SIZE		7
 #define SMP_MAX_ENC_KEY_SIZE		16
 
+/* LTK types used in internal storage (struct smp_ltk) */
+enum {
+	SMP_STK,
+	SMP_LTK,
+	SMP_LTK_SLAVE,
+};
+
 /* SMP Commands */
 bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level);
 int smp_conn_security(struct hci_conn *hcon, __u8 sec_level);