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

Conflicts:
	net/bluetooth/l2cap_sock.c
	net/bluetooth/mgmt.c

1 files changed, 706 insertions, 241 deletions

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 5ea94a1eecf2..e8a6837996cf 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -57,9 +57,10 @@
 #include <net/bluetooth/smp.h>
 
 int disable_ertm;
+int enable_hs;
 
 static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
-static u8 l2cap_fixed_chan[8] = { 0x02, };
+static u8 l2cap_fixed_chan[8] = { L2CAP_FC_L2CAP, };
 
 static LIST_HEAD(chan_list);
 static DEFINE_RWLOCK(chan_list_lock);
@@ -219,7 +220,7 @@ static u16 l2cap_alloc_cid(struct l2cap_conn *conn)
 
 static void l2cap_set_timer(struct l2cap_chan *chan, struct timer_list *timer, long timeout)
 {
-	BT_DBG("chan %p state %d timeout %ld", chan->sk, chan->state, timeout);
+	BT_DBG("chan %p state %d timeout %ld", chan, chan->state, timeout);
 
 	if (!mod_timer(timer, jiffies + msecs_to_jiffies(timeout)))
 		chan_hold(chan);
@@ -293,6 +294,8 @@ struct l2cap_chan *l2cap_chan_create(struct sock *sk)
 
 	atomic_set(&chan->refcnt, 1);
 
+	BT_DBG("sk %p chan %p", sk, chan);
+
 	return chan;
 }
 
@@ -310,7 +313,7 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
 	BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn,
 			chan->psm, chan->dcid);
 
-	conn->disc_reason = 0x13;
+	conn->disc_reason = HCI_ERROR_REMOTE_USER_TERM;
 
 	chan->conn = conn;
 
@@ -337,6 +340,13 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
 		chan->omtu = L2CAP_DEFAULT_MTU;
 	}
 
+	chan->local_id		= L2CAP_BESTEFFORT_ID;
+	chan->local_stype	= L2CAP_SERV_BESTEFFORT;
+	chan->local_msdu	= L2CAP_DEFAULT_MAX_SDU_SIZE;
+	chan->local_sdu_itime	= L2CAP_DEFAULT_SDU_ITIME;
+	chan->local_acc_lat	= L2CAP_DEFAULT_ACC_LAT;
+	chan->local_flush_to	= L2CAP_DEFAULT_FLUSH_TO;
+
 	chan_hold(chan);
 
 	list_add(&chan->list, &conn->chan_l);
@@ -556,34 +566,58 @@ static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len,
 		flags = ACL_START;
 
 	bt_cb(skb)->force_active = BT_POWER_FORCE_ACTIVE_ON;
+	skb->priority = HCI_PRIO_MAX;
+
+	hci_send_acl(conn->hchan, skb, flags);
+}
+
+static void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
+{
+	struct hci_conn *hcon = chan->conn->hcon;
+	u16 flags;
+
+	BT_DBG("chan %p, skb %p len %d priority %u", chan, skb, skb->len,
+							skb->priority);
+
+	if (!test_bit(FLAG_FLUSHABLE, &chan->flags) &&
+					lmp_no_flush_capable(hcon->hdev))
+		flags = ACL_START_NO_FLUSH;
+	else
+		flags = ACL_START;
 
-	hci_send_acl(conn->hcon, skb, flags);
+	bt_cb(skb)->force_active = test_bit(FLAG_FORCE_ACTIVE, &chan->flags);
+	hci_send_acl(chan->conn->hchan, skb, flags);
 }
 
-static inline void l2cap_send_sframe(struct l2cap_chan *chan, u16 control)
+static inline void l2cap_send_sframe(struct l2cap_chan *chan, u32 control)
 {
 	struct sk_buff *skb;
 	struct l2cap_hdr *lh;
 	struct l2cap_conn *conn = chan->conn;
-	int count, hlen = L2CAP_HDR_SIZE + 2;
-	u8 flags;
+	int count, hlen;
 
 	if (chan->state != BT_CONNECTED)
 		return;
 
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		hlen = L2CAP_EXT_HDR_SIZE;
+	else
+		hlen = L2CAP_ENH_HDR_SIZE;
+
 	if (chan->fcs == L2CAP_FCS_CRC16)
-		hlen += 2;
+		hlen += L2CAP_FCS_SIZE;
 
-	BT_DBG("chan %p, control 0x%2.2x", chan, control);
+	BT_DBG("chan %p, control 0x%8.8x", chan, control);
 
 	count = min_t(unsigned int, conn->mtu, hlen);
-	control |= L2CAP_CTRL_FRAME_TYPE;
+
+	control |= __set_sframe(chan);
 
 	if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state))
-		control |= L2CAP_CTRL_FINAL;
+		control |= __set_ctrl_final(chan);
 
 	if (test_and_clear_bit(CONN_SEND_PBIT, &chan->conn_state))
-		control |= L2CAP_CTRL_POLL;
+		control |= __set_ctrl_poll(chan);
 
 	skb = bt_skb_alloc(count, GFP_ATOMIC);
 	if (!skb)
@@ -592,32 +626,27 @@ static inline void l2cap_send_sframe(struct l2cap_chan *chan, u16 control)
 	lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
 	lh->len = cpu_to_le16(hlen - L2CAP_HDR_SIZE);
 	lh->cid = cpu_to_le16(chan->dcid);
-	put_unaligned_le16(control, skb_put(skb, 2));
+
+	__put_control(chan, control, skb_put(skb, __ctrl_size(chan)));
 
 	if (chan->fcs == L2CAP_FCS_CRC16) {
-		u16 fcs = crc16(0, (u8 *)lh, count - 2);
-		put_unaligned_le16(fcs, skb_put(skb, 2));
+		u16 fcs = crc16(0, (u8 *)lh, count - L2CAP_FCS_SIZE);
+		put_unaligned_le16(fcs, skb_put(skb, L2CAP_FCS_SIZE));
 	}
 
-	if (lmp_no_flush_capable(conn->hcon->hdev))
-		flags = ACL_START_NO_FLUSH;
-	else
-		flags = ACL_START;
-
-	bt_cb(skb)->force_active = chan->force_active;
-
-	hci_send_acl(chan->conn->hcon, skb, flags);
+	skb->priority = HCI_PRIO_MAX;
+	l2cap_do_send(chan, skb);
 }
 
-static inline void l2cap_send_rr_or_rnr(struct l2cap_chan *chan, u16 control)
+static inline void l2cap_send_rr_or_rnr(struct l2cap_chan *chan, u32 control)
 {
 	if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
-		control |= L2CAP_SUPER_RCV_NOT_READY;
+		control |= __set_ctrl_super(chan, L2CAP_SUPER_RNR);
 		set_bit(CONN_RNR_SENT, &chan->conn_state);
 	} else
-		control |= L2CAP_SUPER_RCV_READY;
+		control |= __set_ctrl_super(chan, L2CAP_SUPER_RR);
 
-	control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+	control |= __set_reqseq(chan, chan->buffer_seq);
 
 	l2cap_send_sframe(chan, control);
 }
@@ -947,7 +976,7 @@ static void l2cap_conn_unreliable(struct l2cap_conn *conn, int err)
 	list_for_each_entry(chan, &conn->chan_l, list) {
 		struct sock *sk = chan->sk;
 
-		if (chan->force_reliable)
+		if (test_bit(FLAG_FORCE_RELIABLE, &chan->flags))
 			sk->sk_err = err;
 	}
 
@@ -986,6 +1015,8 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
 		chan->ops->close(chan->data);
 	}
 
+	hci_chan_del(conn->hchan);
+
 	if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT)
 		del_timer_sync(&conn->info_timer);
 
@@ -1008,18 +1039,26 @@ static void security_timeout(unsigned long arg)
 static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
 {
 	struct l2cap_conn *conn = hcon->l2cap_data;
+	struct hci_chan *hchan;
 
 	if (conn || status)
 		return conn;
 
+	hchan = hci_chan_create(hcon);
+	if (!hchan)
+		return NULL;
+
 	conn = kzalloc(sizeof(struct l2cap_conn), GFP_ATOMIC);
-	if (!conn)
+	if (!conn) {
+		hci_chan_del(hchan);
 		return NULL;
+	}
 
 	hcon->l2cap_data = conn;
 	conn->hcon = hcon;
+	conn->hchan = hchan;
 
-	BT_DBG("hcon %p conn %p", hcon, conn);
+	BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan);
 
 	if (hcon->hdev->le_mtu && hcon->type == LE_LINK)
 		conn->mtu = hcon->hdev->le_mtu;
@@ -1043,7 +1082,7 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
 		setup_timer(&conn->info_timer, l2cap_info_timeout,
 						(unsigned long) conn);
 
-	conn->disc_reason = 0x13;
+	conn->disc_reason = HCI_ERROR_REMOTE_USER_TERM;
 
 	return conn;
 }
@@ -1245,47 +1284,35 @@ static void l2cap_drop_acked_frames(struct l2cap_chan *chan)
 		__clear_retrans_timer(chan);
 }
 
-static void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb)
-{
-	struct hci_conn *hcon = chan->conn->hcon;
-	u16 flags;
-
-	BT_DBG("chan %p, skb %p len %d", chan, skb, skb->len);
-
-	if (!chan->flushable && lmp_no_flush_capable(hcon->hdev))
-		flags = ACL_START_NO_FLUSH;
-	else
-		flags = ACL_START;
-
-	bt_cb(skb)->force_active = chan->force_active;
-	hci_send_acl(hcon, skb, flags);
-}
-
 static void l2cap_streaming_send(struct l2cap_chan *chan)
 {
 	struct sk_buff *skb;
-	u16 control, fcs;
+	u32 control;
+	u16 fcs;
 
 	while ((skb = skb_dequeue(&chan->tx_q))) {
-		control = get_unaligned_le16(skb->data + L2CAP_HDR_SIZE);
-		control |= chan->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT;
-		put_unaligned_le16(control, skb->data + L2CAP_HDR_SIZE);
+		control = __get_control(chan, skb->data + L2CAP_HDR_SIZE);
+		control |= __set_txseq(chan, chan->next_tx_seq);
+		__put_control(chan, control, skb->data + L2CAP_HDR_SIZE);
 
 		if (chan->fcs == L2CAP_FCS_CRC16) {
-			fcs = crc16(0, (u8 *)skb->data, skb->len - 2);
-			put_unaligned_le16(fcs, skb->data + skb->len - 2);
+			fcs = crc16(0, (u8 *)skb->data,
+						skb->len - L2CAP_FCS_SIZE);
+			put_unaligned_le16(fcs,
+					skb->data + skb->len - L2CAP_FCS_SIZE);
 		}
 
 		l2cap_do_send(chan, skb);
 
-		chan->next_tx_seq = (chan->next_tx_seq + 1) % 64;
+		chan->next_tx_seq = __next_seq(chan, chan->next_tx_seq);
 	}
 }
 
-static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq)
+static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u16 tx_seq)
 {
 	struct sk_buff *skb, *tx_skb;
-	u16 control, fcs;
+	u16 fcs;
+	u32 control;
 
 	skb = skb_peek(&chan->tx_q);
 	if (!skb)
@@ -1308,20 +1335,23 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq)
 
 	tx_skb = skb_clone(skb, GFP_ATOMIC);
 	bt_cb(skb)->retries++;
-	control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE);
-	control &= L2CAP_CTRL_SAR;
+
+	control = __get_control(chan, tx_skb->data + L2CAP_HDR_SIZE);
+	control &= __get_sar_mask(chan);
 
 	if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state))
-		control |= L2CAP_CTRL_FINAL;
+		control |= __set_ctrl_final(chan);
 
-	control |= (chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
-			| (tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
+	control |= __set_reqseq(chan, chan->buffer_seq);
+	control |= __set_txseq(chan, tx_seq);
 
-	put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
+	__put_control(chan, control, tx_skb->data + L2CAP_HDR_SIZE);
 
 	if (chan->fcs == L2CAP_FCS_CRC16) {
-		fcs = crc16(0, (u8 *)tx_skb->data, tx_skb->len - 2);
-		put_unaligned_le16(fcs, tx_skb->data + tx_skb->len - 2);
+		fcs = crc16(0, (u8 *)tx_skb->data,
+						tx_skb->len - L2CAP_FCS_SIZE);
+		put_unaligned_le16(fcs,
+				tx_skb->data + tx_skb->len - L2CAP_FCS_SIZE);
 	}
 
 	l2cap_do_send(chan, tx_skb);
@@ -1330,7 +1360,8 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq)
 static int l2cap_ertm_send(struct l2cap_chan *chan)
 {
 	struct sk_buff *skb, *tx_skb;
-	u16 control, fcs;
+	u16 fcs;
+	u32 control;
 	int nsent = 0;
 
 	if (chan->state != BT_CONNECTED)
@@ -1348,20 +1379,22 @@ static int l2cap_ertm_send(struct l2cap_chan *chan)
 
 		bt_cb(skb)->retries++;
 
-		control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE);
-		control &= L2CAP_CTRL_SAR;
+		control = __get_control(chan, tx_skb->data + L2CAP_HDR_SIZE);
+		control &= __get_sar_mask(chan);
 
 		if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state))
-			control |= L2CAP_CTRL_FINAL;
+			control |= __set_ctrl_final(chan);
 
-		control |= (chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
-				| (chan->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
-		put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
+		control |= __set_reqseq(chan, chan->buffer_seq);
+		control |= __set_txseq(chan, chan->next_tx_seq);
 
+		__put_control(chan, control, tx_skb->data + L2CAP_HDR_SIZE);
 
 		if (chan->fcs == L2CAP_FCS_CRC16) {
-			fcs = crc16(0, (u8 *)skb->data, tx_skb->len - 2);
-			put_unaligned_le16(fcs, skb->data + tx_skb->len - 2);
+			fcs = crc16(0, (u8 *)skb->data,
+						tx_skb->len - L2CAP_FCS_SIZE);
+			put_unaligned_le16(fcs, skb->data +
+						tx_skb->len - L2CAP_FCS_SIZE);
 		}
 
 		l2cap_do_send(chan, tx_skb);
@@ -1369,7 +1402,8 @@ static int l2cap_ertm_send(struct l2cap_chan *chan)
 		__set_retrans_timer(chan);
 
 		bt_cb(skb)->tx_seq = chan->next_tx_seq;
-		chan->next_tx_seq = (chan->next_tx_seq + 1) % 64;
+
+		chan->next_tx_seq = __next_seq(chan, chan->next_tx_seq);
 
 		if (bt_cb(skb)->retries == 1)
 			chan->unacked_frames++;
@@ -1401,12 +1435,12 @@ static int l2cap_retransmit_frames(struct l2cap_chan *chan)
 
 static void l2cap_send_ack(struct l2cap_chan *chan)
 {
-	u16 control = 0;
+	u32 control = 0;
 
-	control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+	control |= __set_reqseq(chan, chan->buffer_seq);
 
 	if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
-		control |= L2CAP_SUPER_RCV_NOT_READY;
+		control |= __set_ctrl_super(chan, L2CAP_SUPER_RNR);
 		set_bit(CONN_RNR_SENT, &chan->conn_state);
 		l2cap_send_sframe(chan, control);
 		return;
@@ -1415,20 +1449,20 @@ static void l2cap_send_ack(struct l2cap_chan *chan)
 	if (l2cap_ertm_send(chan) > 0)
 		return;
 
-	control |= L2CAP_SUPER_RCV_READY;
+	control |= __set_ctrl_super(chan, L2CAP_SUPER_RR);
 	l2cap_send_sframe(chan, control);
 }
 
 static void l2cap_send_srejtail(struct l2cap_chan *chan)
 {
 	struct srej_list *tail;
-	u16 control;
+	u32 control;
 
-	control = L2CAP_SUPER_SELECT_REJECT;
-	control |= L2CAP_CTRL_FINAL;
+	control = __set_ctrl_super(chan, L2CAP_SUPER_SREJ);
+	control |= __set_ctrl_final(chan);
 
 	tail = list_entry((&chan->srej_l)->prev, struct srej_list, list);
-	control |= tail->tx_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+	control |= __set_reqseq(chan, tail->tx_seq);
 
 	l2cap_send_sframe(chan, control);
 }
@@ -1456,6 +1490,8 @@ static inline int l2cap_skbuff_fromiovec(struct sock *sk, struct msghdr *msg, in
 		if (memcpy_fromiovec(skb_put(*frag, count), msg->msg_iov, count))
 			return -EFAULT;
 
+		(*frag)->priority = skb->priority;
+
 		sent += count;
 		len  -= count;
 
@@ -1465,15 +1501,17 @@ static inline int l2cap_skbuff_fromiovec(struct sock *sk, struct msghdr *msg, in
 	return sent;
 }
 
-static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
+static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
+						struct msghdr *msg, size_t len,
+						u32 priority)
 {
 	struct sock *sk = chan->sk;
 	struct l2cap_conn *conn = chan->conn;
 	struct sk_buff *skb;
-	int err, count, hlen = L2CAP_HDR_SIZE + 2;
+	int err, count, hlen = L2CAP_HDR_SIZE + L2CAP_PSMLEN_SIZE;
 	struct l2cap_hdr *lh;
 
-	BT_DBG("sk %p len %d", sk, (int)len);
+	BT_DBG("sk %p len %d priority %u", sk, (int)len, priority);
 
 	count = min_t(unsigned int, (conn->mtu - hlen), len);
 	skb = bt_skb_send_alloc(sk, count + hlen,
@@ -1481,6 +1519,8 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct
 	if (!skb)
 		return ERR_PTR(err);
 
+	skb->priority = priority;
+
 	/* Create L2CAP header */
 	lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
 	lh->cid = cpu_to_le16(chan->dcid);
@@ -1495,7 +1535,9 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct
 	return skb;
 }
 
-static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
+static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan,
+						struct msghdr *msg, size_t len,
+						u32 priority)
 {
 	struct sock *sk = chan->sk;
 	struct l2cap_conn *conn = chan->conn;
@@ -1511,6 +1553,8 @@ static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct ms
 	if (!skb)
 		return ERR_PTR(err);
 
+	skb->priority = priority;
+
 	/* Create L2CAP header */
 	lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
 	lh->cid = cpu_to_le16(chan->dcid);
@@ -1526,12 +1570,12 @@ static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct ms
 
 static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan,
 						struct msghdr *msg, size_t len,
-						u16 control, u16 sdulen)
+						u32 control, u16 sdulen)
 {
 	struct sock *sk = chan->sk;
 	struct l2cap_conn *conn = chan->conn;
 	struct sk_buff *skb;
-	int err, count, hlen = L2CAP_HDR_SIZE + 2;
+	int err, count, hlen;
 	struct l2cap_hdr *lh;
 
 	BT_DBG("sk %p len %d", sk, (int)len);
@@ -1539,11 +1583,16 @@ static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan,
 	if (!conn)
 		return ERR_PTR(-ENOTCONN);
 
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		hlen = L2CAP_EXT_HDR_SIZE;
+	else
+		hlen = L2CAP_ENH_HDR_SIZE;
+
 	if (sdulen)
-		hlen += 2;
+		hlen += L2CAP_SDULEN_SIZE;
 
 	if (chan->fcs == L2CAP_FCS_CRC16)
-		hlen += 2;
+		hlen += L2CAP_FCS_SIZE;
 
 	count = min_t(unsigned int, (conn->mtu - hlen), len);
 	skb = bt_skb_send_alloc(sk, count + hlen,
@@ -1555,9 +1604,11 @@ static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan,
 	lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
 	lh->cid = cpu_to_le16(chan->dcid);
 	lh->len = cpu_to_le16(len + (hlen - L2CAP_HDR_SIZE));
-	put_unaligned_le16(control, skb_put(skb, 2));
+
+	__put_control(chan, control, skb_put(skb, __ctrl_size(chan)));
+
 	if (sdulen)
-		put_unaligned_le16(sdulen, skb_put(skb, 2));
+		put_unaligned_le16(sdulen, skb_put(skb, L2CAP_SDULEN_SIZE));
 
 	err = l2cap_skbuff_fromiovec(sk, msg, len, count, skb);
 	if (unlikely(err < 0)) {
@@ -1566,7 +1617,7 @@ static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan,
 	}
 
 	if (chan->fcs == L2CAP_FCS_CRC16)
-		put_unaligned_le16(0, skb_put(skb, 2));
+		put_unaligned_le16(0, skb_put(skb, L2CAP_FCS_SIZE));
 
 	bt_cb(skb)->retries = 0;
 	return skb;
@@ -1576,11 +1627,11 @@ static int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, si
 {
 	struct sk_buff *skb;
 	struct sk_buff_head sar_queue;
-	u16 control;
+	u32 control;
 	size_t size = 0;
 
 	skb_queue_head_init(&sar_queue);
-	control = L2CAP_SDU_START;
+	control = __set_ctrl_sar(chan, L2CAP_SAR_START);
 	skb = l2cap_create_iframe_pdu(chan, msg, chan->remote_mps, control, len);
 	if (IS_ERR(skb))
 		return PTR_ERR(skb);
@@ -1593,10 +1644,10 @@ static int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, si
 		size_t buflen;
 
 		if (len > chan->remote_mps) {
-			control = L2CAP_SDU_CONTINUE;
+			control = __set_ctrl_sar(chan, L2CAP_SAR_CONTINUE);
 			buflen = chan->remote_mps;
 		} else {
-			control = L2CAP_SDU_END;
+			control = __set_ctrl_sar(chan, L2CAP_SAR_END);
 			buflen = len;
 		}
 
@@ -1617,15 +1668,16 @@ static int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, si
 	return size;
 }
 
-int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
+int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
+								u32 priority)
 {
 	struct sk_buff *skb;
-	u16 control;
+	u32 control;
 	int err;
 
 	/* Connectionless channel */
 	if (chan->chan_type == L2CAP_CHAN_CONN_LESS) {
-		skb = l2cap_create_connless_pdu(chan, msg, len);
+		skb = l2cap_create_connless_pdu(chan, msg, len, priority);
 		if (IS_ERR(skb))
 			return PTR_ERR(skb);
 
@@ -1640,7 +1692,7 @@ 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);
+		skb = l2cap_create_basic_pdu(chan, msg, len, priority);
 		if (IS_ERR(skb))
 			return PTR_ERR(skb);
 
@@ -1652,7 +1704,7 @@ int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
 	case L2CAP_MODE_STREAMING:
 		/* Entire SDU fits into one PDU */
 		if (len <= chan->remote_mps) {
-			control = L2CAP_SDU_UNSEGMENTED;
+			control = __set_ctrl_sar(chan, L2CAP_SAR_UNSEGMENTED);
 			skb = l2cap_create_iframe_pdu(chan, msg, len, control,
 									0);
 			if (IS_ERR(skb))
@@ -1850,6 +1902,37 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val)
 	*ptr += L2CAP_CONF_OPT_SIZE + len;
 }
 
+static void l2cap_add_opt_efs(void **ptr, struct l2cap_chan *chan)
+{
+	struct l2cap_conf_efs efs;
+
+	switch(chan->mode) {
+	case L2CAP_MODE_ERTM:
+		efs.id		= chan->local_id;
+		efs.stype	= chan->local_stype;
+		efs.msdu	= cpu_to_le16(chan->local_msdu);
+		efs.sdu_itime	= cpu_to_le32(chan->local_sdu_itime);
+		efs.acc_lat	= cpu_to_le32(L2CAP_DEFAULT_ACC_LAT);
+		efs.flush_to	= cpu_to_le32(L2CAP_DEFAULT_FLUSH_TO);
+		break;
+
+	case L2CAP_MODE_STREAMING:
+		efs.id		= 1;
+		efs.stype	= L2CAP_SERV_BESTEFFORT;
+		efs.msdu	= cpu_to_le16(chan->local_msdu);
+		efs.sdu_itime	= cpu_to_le32(chan->local_sdu_itime);
+		efs.acc_lat	= 0;
+		efs.flush_to	= 0;
+		break;
+
+	default:
+		return;
+	}
+
+	l2cap_add_conf_opt(ptr, L2CAP_CONF_EFS, sizeof(efs),
+							(unsigned long) &efs);
+}
+
 static void l2cap_ack_timeout(unsigned long arg)
 {
 	struct l2cap_chan *chan = (void *) arg;
@@ -1896,11 +1979,36 @@ static inline __u8 l2cap_select_mode(__u8 mode, __u16 remote_feat_mask)
 	}
 }
 
+static inline bool __l2cap_ews_supported(struct l2cap_chan *chan)
+{
+	return enable_hs && chan->conn->feat_mask & L2CAP_FEAT_EXT_WINDOW;
+}
+
+static inline bool __l2cap_efs_supported(struct l2cap_chan *chan)
+{
+	return enable_hs && chan->conn->feat_mask & L2CAP_FEAT_EXT_FLOW;
+}
+
+static inline void l2cap_txwin_setup(struct l2cap_chan *chan)
+{
+	if (chan->tx_win > L2CAP_DEFAULT_TX_WINDOW &&
+						__l2cap_ews_supported(chan)) {
+		/* use extended control field */
+		set_bit(FLAG_EXT_CTRL, &chan->flags);
+		chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW;
+	} else {
+		chan->tx_win = min_t(u16, chan->tx_win,
+						L2CAP_DEFAULT_TX_WINDOW);
+		chan->tx_win_max = L2CAP_DEFAULT_TX_WINDOW;
+	}
+}
+
 static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data)
 {
 	struct l2cap_conf_req *req = data;
 	struct l2cap_conf_rfc rfc = { .mode = chan->mode };
 	void *ptr = req->data;
+	u16 size;
 
 	BT_DBG("chan %p", chan);
 
@@ -1913,6 +2021,9 @@ static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data)
 		if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state))
 			break;
 
+		if (__l2cap_efs_supported(chan))
+			set_bit(FLAG_EFS_ENABLE, &chan->flags);
+
 		/* fall through */
 	default:
 		chan->mode = l2cap_select_mode(rfc.mode, chan->conn->feat_mask);
@@ -1942,17 +2053,27 @@ done:
 
 	case L2CAP_MODE_ERTM:
 		rfc.mode            = L2CAP_MODE_ERTM;
-		rfc.txwin_size      = chan->tx_win;
 		rfc.max_transmit    = chan->max_tx;
 		rfc.retrans_timeout = 0;
 		rfc.monitor_timeout = 0;
-		rfc.max_pdu_size    = cpu_to_le16(L2CAP_DEFAULT_MAX_PDU_SIZE);
-		if (L2CAP_DEFAULT_MAX_PDU_SIZE > chan->conn->mtu - 10)
-			rfc.max_pdu_size = cpu_to_le16(chan->conn->mtu - 10);
+
+		size = min_t(u16, L2CAP_DEFAULT_MAX_PDU_SIZE, chan->conn->mtu -
+						L2CAP_EXT_HDR_SIZE -
+						L2CAP_SDULEN_SIZE -
+						L2CAP_FCS_SIZE);
+		rfc.max_pdu_size = cpu_to_le16(size);
+
+		l2cap_txwin_setup(chan);
+
+		rfc.txwin_size = min_t(u16, chan->tx_win,
+						L2CAP_DEFAULT_TX_WINDOW);
 
 		l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
 							(unsigned long) &rfc);
 
+		if (test_bit(FLAG_EFS_ENABLE, &chan->flags))
+			l2cap_add_opt_efs(&ptr, chan);
+
 		if (!(chan->conn->feat_mask & L2CAP_FEAT_FCS))
 			break;
 
@@ -1961,6 +2082,10 @@ done:
 			chan->fcs = L2CAP_FCS_NONE;
 			l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, chan->fcs);
 		}
+
+		if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+			l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2,
+								chan->tx_win);
 		break;
 
 	case L2CAP_MODE_STREAMING:
@@ -1969,13 +2094,19 @@ done:
 		rfc.max_transmit    = 0;
 		rfc.retrans_timeout = 0;
 		rfc.monitor_timeout = 0;
-		rfc.max_pdu_size    = cpu_to_le16(L2CAP_DEFAULT_MAX_PDU_SIZE);
-		if (L2CAP_DEFAULT_MAX_PDU_SIZE > chan->conn->mtu - 10)
-			rfc.max_pdu_size = cpu_to_le16(chan->conn->mtu - 10);
+
+		size = min_t(u16, L2CAP_DEFAULT_MAX_PDU_SIZE, chan->conn->mtu -
+						L2CAP_EXT_HDR_SIZE -
+						L2CAP_SDULEN_SIZE -
+						L2CAP_FCS_SIZE);
+		rfc.max_pdu_size = cpu_to_le16(size);
 
 		l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
 							(unsigned long) &rfc);
 
+		if (test_bit(FLAG_EFS_ENABLE, &chan->flags))
+			l2cap_add_opt_efs(&ptr, chan);
+
 		if (!(chan->conn->feat_mask & L2CAP_FEAT_FCS))
 			break;
 
@@ -2002,8 +2133,11 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data)
 	int type, hint, olen;
 	unsigned long val;
 	struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC };
+	struct l2cap_conf_efs efs;
+	u8 remote_efs = 0;
 	u16 mtu = L2CAP_DEFAULT_MTU;
 	u16 result = L2CAP_CONF_SUCCESS;
+	u16 size;
 
 	BT_DBG("chan %p", chan);
 
@@ -2033,7 +2167,22 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data)
 		case L2CAP_CONF_FCS:
 			if (val == L2CAP_FCS_NONE)
 				set_bit(CONF_NO_FCS_RECV, &chan->conf_state);
+			break;
+
+		case L2CAP_CONF_EFS:
+			remote_efs = 1;
+			if (olen == sizeof(efs))
+				memcpy(&efs, (void *) val, olen);
+			break;
+
+		case L2CAP_CONF_EWS:
+			if (!enable_hs)
+				return -ECONNREFUSED;
 
+			set_bit(FLAG_EXT_CTRL, &chan->flags);
+			set_bit(CONF_EWS_RECV, &chan->conf_state);
+			chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW;
+			chan->remote_tx_win = val;
 			break;
 
 		default:
@@ -2058,6 +2207,13 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data)
 			break;
 		}
 
+		if (remote_efs) {
+			if (__l2cap_efs_supported(chan))
+				set_bit(FLAG_EFS_ENABLE, &chan->flags);
+			else
+				return -ECONNREFUSED;
+		}
+
 		if (chan->mode != rfc.mode)
 			return -ECONNREFUSED;
 
@@ -2076,7 +2232,6 @@ done:
 					sizeof(rfc), (unsigned long) &rfc);
 	}
 
-
 	if (result == L2CAP_CONF_SUCCESS) {
 		/* Configure output options and let the other side know
 		 * which ones we don't like. */
@@ -2089,6 +2244,26 @@ done:
 		}
 		l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, chan->omtu);
 
+		if (remote_efs) {
+			if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
+					efs.stype != L2CAP_SERV_NOTRAFIC &&
+					efs.stype != chan->local_stype) {
+
+				result = L2CAP_CONF_UNACCEPT;
+
+				if (chan->num_conf_req >= 1)
+					return -ECONNREFUSED;
+
+				l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS,
+							sizeof(efs),
+							(unsigned long) &efs);
+			} else {
+				/* Send PENDING Conf Rsp */
+				result = L2CAP_CONF_PENDING;
+				set_bit(CONF_LOC_CONF_PEND, &chan->conf_state);
+			}
+		}
+
 		switch (rfc.mode) {
 		case L2CAP_MODE_BASIC:
 			chan->fcs = L2CAP_FCS_NONE;
@@ -2096,13 +2271,20 @@ done:
 			break;
 
 		case L2CAP_MODE_ERTM:
-			chan->remote_tx_win = rfc.txwin_size;
-			chan->remote_max_tx = rfc.max_transmit;
+			if (!test_bit(CONF_EWS_RECV, &chan->conf_state))
+				chan->remote_tx_win = rfc.txwin_size;
+			else
+				rfc.txwin_size = L2CAP_DEFAULT_TX_WINDOW;
 
-			if (le16_to_cpu(rfc.max_pdu_size) > chan->conn->mtu - 10)
-				rfc.max_pdu_size = cpu_to_le16(chan->conn->mtu - 10);
+			chan->remote_max_tx = rfc.max_transmit;
 
-			chan->remote_mps = le16_to_cpu(rfc.max_pdu_size);
+			size = min_t(u16, le16_to_cpu(rfc.max_pdu_size),
+						chan->conn->mtu -
+						L2CAP_EXT_HDR_SIZE -
+						L2CAP_SDULEN_SIZE -
+						L2CAP_FCS_SIZE);
+			rfc.max_pdu_size = cpu_to_le16(size);
+			chan->remote_mps = size;
 
 			rfc.retrans_timeout =
 				le16_to_cpu(L2CAP_DEFAULT_RETRANS_TO);
@@ -2114,13 +2296,29 @@ done:
 			l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
 					sizeof(rfc), (unsigned long) &rfc);
 
+			if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) {
+				chan->remote_id = efs.id;
+				chan->remote_stype = efs.stype;
+				chan->remote_msdu = le16_to_cpu(efs.msdu);
+				chan->remote_flush_to =
+						le32_to_cpu(efs.flush_to);
+				chan->remote_acc_lat =
+						le32_to_cpu(efs.acc_lat);
+				chan->remote_sdu_itime =
+					le32_to_cpu(efs.sdu_itime);
+				l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS,
+					sizeof(efs), (unsigned long) &efs);
+			}
 			break;
 
 		case L2CAP_MODE_STREAMING:
-			if (le16_to_cpu(rfc.max_pdu_size) > chan->conn->mtu - 10)
-				rfc.max_pdu_size = cpu_to_le16(chan->conn->mtu - 10);
-
-			chan->remote_mps = le16_to_cpu(rfc.max_pdu_size);
+			size = min_t(u16, le16_to_cpu(rfc.max_pdu_size),
+						chan->conn->mtu -
+						L2CAP_EXT_HDR_SIZE -
+						L2CAP_SDULEN_SIZE -
+						L2CAP_FCS_SIZE);
+			rfc.max_pdu_size = cpu_to_le16(size);
+			chan->remote_mps = size;
 
 			set_bit(CONF_MODE_DONE, &chan->conf_state);
 
@@ -2153,6 +2351,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
 	int type, olen;
 	unsigned long val;
 	struct l2cap_conf_rfc rfc;
+	struct l2cap_conf_efs efs;
 
 	BT_DBG("chan %p, rsp %p, len %d, req %p", chan, rsp, len, data);
 
@@ -2188,6 +2387,26 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
 			l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
 					sizeof(rfc), (unsigned long) &rfc);
 			break;
+
+		case L2CAP_CONF_EWS:
+			chan->tx_win = min_t(u16, val,
+						L2CAP_DEFAULT_EXT_WINDOW);
+			l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2,
+							chan->tx_win);
+			break;
+
+		case L2CAP_CONF_EFS:
+			if (olen == sizeof(efs))
+				memcpy(&efs, (void *)val, olen);
+
+			if (chan->local_stype != L2CAP_SERV_NOTRAFIC &&
+					efs.stype != L2CAP_SERV_NOTRAFIC &&
+					efs.stype != chan->local_stype)
+				return -ECONNREFUSED;
+
+			l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS,
+					sizeof(efs), (unsigned long) &efs);
+			break;
 		}
 	}
 
@@ -2196,13 +2415,23 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
 
 	chan->mode = rfc.mode;
 
-	if (*result == L2CAP_CONF_SUCCESS) {
+	if (*result == L2CAP_CONF_SUCCESS || *result == L2CAP_CONF_PENDING) {
 		switch (rfc.mode) {
 		case L2CAP_MODE_ERTM:
 			chan->retrans_timeout = le16_to_cpu(rfc.retrans_timeout);
 			chan->monitor_timeout = le16_to_cpu(rfc.monitor_timeout);
 			chan->mps    = le16_to_cpu(rfc.max_pdu_size);
+
+			if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) {
+				chan->local_msdu = le16_to_cpu(efs.msdu);
+				chan->local_sdu_itime =
+						le32_to_cpu(efs.sdu_itime);
+				chan->local_acc_lat = le32_to_cpu(efs.acc_lat);
+				chan->local_flush_to =
+						le32_to_cpu(efs.flush_to);
+			}
 			break;
+
 		case L2CAP_MODE_STREAMING:
 			chan->mps    = le16_to_cpu(rfc.max_pdu_size);
 		}
@@ -2330,7 +2559,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
 	/* Check if the ACL is secure enough (if not SDP) */
 	if (psm != cpu_to_le16(0x0001) &&
 				!hci_conn_check_link_mode(conn->hcon)) {
-		conn->disc_reason = 0x05;
+		conn->disc_reason = HCI_ERROR_AUTH_FAILURE;
 		result = L2CAP_CR_SEC_BLOCK;
 		goto response;
 	}
@@ -2602,6 +2831,21 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 		chan->num_conf_req++;
 	}
 
+	/* Got Conf Rsp PENDING from remote side and asume we sent
+	   Conf Rsp PENDING in the code above */
+	if (test_bit(CONF_REM_CONF_PEND, &chan->conf_state) &&
+			test_bit(CONF_LOC_CONF_PEND, &chan->conf_state)) {
+
+		/* check compatibility */
+
+		clear_bit(CONF_LOC_CONF_PEND, &chan->conf_state);
+		set_bit(CONF_OUTPUT_DONE, &chan->conf_state);
+
+		l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
+					l2cap_build_conf_rsp(chan, rsp,
+					L2CAP_CONF_SUCCESS, 0x0000), rsp);
+	}
+
 unlock:
 	bh_unlock_sock(sk);
 	return 0;
@@ -2631,8 +2875,33 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 	switch (result) {
 	case L2CAP_CONF_SUCCESS:
 		l2cap_conf_rfc_get(chan, rsp->data, len);
+		clear_bit(CONF_REM_CONF_PEND, &chan->conf_state);
 		break;
 
+	case L2CAP_CONF_PENDING:
+		set_bit(CONF_REM_CONF_PEND, &chan->conf_state);
+
+		if (test_bit(CONF_LOC_CONF_PEND, &chan->conf_state)) {
+			char buf[64];
+
+			len = l2cap_parse_conf_rsp(chan, rsp->data, len,
+								buf, &result);
+			if (len < 0) {
+				l2cap_send_disconn_req(conn, chan, ECONNRESET);
+				goto done;
+			}
+
+			/* check compatibility */
+
+			clear_bit(CONF_LOC_CONF_PEND, &chan->conf_state);
+			set_bit(CONF_OUTPUT_DONE, &chan->conf_state);
+
+			l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
+						l2cap_build_conf_rsp(chan, buf,
+						L2CAP_CONF_SUCCESS, 0x0000), buf);
+		}
+		goto done;
+
 	case L2CAP_CONF_UNACCEPT:
 		if (chan->num_conf_rsp <= L2CAP_CONF_MAX_CONF_RSP) {
 			char req[64];
@@ -2782,15 +3051,25 @@ static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cm
 		if (!disable_ertm)
 			feat_mask |= L2CAP_FEAT_ERTM | L2CAP_FEAT_STREAMING
 							 | L2CAP_FEAT_FCS;
+		if (enable_hs)
+			feat_mask |= L2CAP_FEAT_EXT_FLOW
+						| L2CAP_FEAT_EXT_WINDOW;
+
 		put_unaligned_le32(feat_mask, rsp->data);
 		l2cap_send_cmd(conn, cmd->ident,
 					L2CAP_INFO_RSP, sizeof(buf), buf);
 	} else if (type == L2CAP_IT_FIXED_CHAN) {
 		u8 buf[12];
 		struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) buf;
+
+		if (enable_hs)
+			l2cap_fixed_chan[0] |= L2CAP_FC_A2MP;
+		else
+			l2cap_fixed_chan[0] &= ~L2CAP_FC_A2MP;
+
 		rsp->type   = cpu_to_le16(L2CAP_IT_FIXED_CHAN);
 		rsp->result = cpu_to_le16(L2CAP_IR_SUCCESS);
-		memcpy(buf + 4, l2cap_fixed_chan, 8);
+		memcpy(rsp->data, l2cap_fixed_chan, sizeof(l2cap_fixed_chan));
 		l2cap_send_cmd(conn, cmd->ident,
 					L2CAP_INFO_RSP, sizeof(buf), buf);
 	} else {
@@ -2857,6 +3136,165 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
 	return 0;
 }
 
+static inline int l2cap_create_channel_req(struct l2cap_conn *conn,
+					struct l2cap_cmd_hdr *cmd, u16 cmd_len,
+					void *data)
+{
+	struct l2cap_create_chan_req *req = data;
+	struct l2cap_create_chan_rsp rsp;
+	u16 psm, scid;
+
+	if (cmd_len != sizeof(*req))
+		return -EPROTO;
+
+	if (!enable_hs)
+		return -EINVAL;
+
+	psm = le16_to_cpu(req->psm);
+	scid = le16_to_cpu(req->scid);
+
+	BT_DBG("psm %d, scid %d, amp_id %d", psm, scid, req->amp_id);
+
+	/* Placeholder: Always reject */
+	rsp.dcid = 0;
+	rsp.scid = cpu_to_le16(scid);
+	rsp.result = L2CAP_CR_NO_MEM;
+	rsp.status = L2CAP_CS_NO_INFO;
+
+	l2cap_send_cmd(conn, cmd->ident, L2CAP_CREATE_CHAN_RSP,
+		       sizeof(rsp), &rsp);
+
+	return 0;
+}
+
+static inline int l2cap_create_channel_rsp(struct l2cap_conn *conn,
+					struct l2cap_cmd_hdr *cmd, void *data)
+{
+	BT_DBG("conn %p", conn);
+
+	return l2cap_connect_rsp(conn, cmd, data);
+}
+
+static void l2cap_send_move_chan_rsp(struct l2cap_conn *conn, u8 ident,
+							u16 icid, u16 result)
+{
+	struct l2cap_move_chan_rsp rsp;
+
+	BT_DBG("icid %d, result %d", icid, result);
+
+	rsp.icid = cpu_to_le16(icid);
+	rsp.result = cpu_to_le16(result);
+
+	l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_RSP, sizeof(rsp), &rsp);
+}
+
+static void l2cap_send_move_chan_cfm(struct l2cap_conn *conn,
+				struct l2cap_chan *chan, u16 icid, u16 result)
+{
+	struct l2cap_move_chan_cfm cfm;
+	u8 ident;
+
+	BT_DBG("icid %d, result %d", icid, result);
+
+	ident = l2cap_get_ident(conn);
+	if (chan)
+		chan->ident = ident;
+
+	cfm.icid = cpu_to_le16(icid);
+	cfm.result = cpu_to_le16(result);
+
+	l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM, sizeof(cfm), &cfm);
+}
+
+static void l2cap_send_move_chan_cfm_rsp(struct l2cap_conn *conn, u8 ident,
+								u16 icid)
+{
+	struct l2cap_move_chan_cfm_rsp rsp;
+
+	BT_DBG("icid %d", icid);
+
+	rsp.icid = cpu_to_le16(icid);
+	l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM_RSP, sizeof(rsp), &rsp);
+}
+
+static inline int l2cap_move_channel_req(struct l2cap_conn *conn,
+			struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data)
+{
+	struct l2cap_move_chan_req *req = data;
+	u16 icid = 0;
+	u16 result = L2CAP_MR_NOT_ALLOWED;
+
+	if (cmd_len != sizeof(*req))
+		return -EPROTO;
+
+	icid = le16_to_cpu(req->icid);
+
+	BT_DBG("icid %d, dest_amp_id %d", icid, req->dest_amp_id);
+
+	if (!enable_hs)
+		return -EINVAL;
+
+	/* Placeholder: Always refuse */
+	l2cap_send_move_chan_rsp(conn, cmd->ident, icid, result);
+
+	return 0;
+}
+
+static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn,
+			struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data)
+{
+	struct l2cap_move_chan_rsp *rsp = data;
+	u16 icid, result;
+
+	if (cmd_len != sizeof(*rsp))
+		return -EPROTO;
+
+	icid = le16_to_cpu(rsp->icid);
+	result = le16_to_cpu(rsp->result);
+
+	BT_DBG("icid %d, result %d", icid, result);
+
+	/* Placeholder: Always unconfirmed */
+	l2cap_send_move_chan_cfm(conn, NULL, icid, L2CAP_MC_UNCONFIRMED);
+
+	return 0;
+}
+
+static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn,
+			struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data)
+{
+	struct l2cap_move_chan_cfm *cfm = data;
+	u16 icid, result;
+
+	if (cmd_len != sizeof(*cfm))
+		return -EPROTO;
+
+	icid = le16_to_cpu(cfm->icid);
+	result = le16_to_cpu(cfm->result);
+
+	BT_DBG("icid %d, result %d", icid, result);
+
+	l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid);
+
+	return 0;
+}
+
+static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn,
+			struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data)
+{
+	struct l2cap_move_chan_cfm_rsp *rsp = data;
+	u16 icid;
+
+	if (cmd_len != sizeof(*rsp))
+		return -EPROTO;
+
+	icid = le16_to_cpu(rsp->icid);
+
+	BT_DBG("icid %d", icid);
+
+	return 0;
+}
+
 static inline int l2cap_check_conn_param(u16 min, u16 max, u16 latency,
 							u16 to_multiplier)
 {
@@ -2969,6 +3407,30 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn,
 		err = l2cap_information_rsp(conn, cmd, data);
 		break;
 
+	case L2CAP_CREATE_CHAN_REQ:
+		err = l2cap_create_channel_req(conn, cmd, cmd_len, data);
+		break;
+
+	case L2CAP_CREATE_CHAN_RSP:
+		err = l2cap_create_channel_rsp(conn, cmd, data);
+		break;
+
+	case L2CAP_MOVE_CHAN_REQ:
+		err = l2cap_move_channel_req(conn, cmd, cmd_len, data);
+		break;
+
+	case L2CAP_MOVE_CHAN_RSP:
+		err = l2cap_move_channel_rsp(conn, cmd, cmd_len, data);
+		break;
+
+	case L2CAP_MOVE_CHAN_CFM:
+		err = l2cap_move_channel_confirm(conn, cmd, cmd_len, data);
+		break;
+
+	case L2CAP_MOVE_CHAN_CFM_RSP:
+		err = l2cap_move_channel_confirm_rsp(conn, cmd, cmd_len, data);
+		break;
+
 	default:
 		BT_ERR("Unknown BR/EDR signaling command 0x%2.2x", cmd->code);
 		err = -EINVAL;
@@ -3047,10 +3509,15 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn,
 static int l2cap_check_fcs(struct l2cap_chan *chan,  struct sk_buff *skb)
 {
 	u16 our_fcs, rcv_fcs;
-	int hdr_size = L2CAP_HDR_SIZE + 2;
+	int hdr_size;
+
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		hdr_size = L2CAP_EXT_HDR_SIZE;
+	else
+		hdr_size = L2CAP_ENH_HDR_SIZE;
 
 	if (chan->fcs == L2CAP_FCS_CRC16) {
-		skb_trim(skb, skb->len - 2);
+		skb_trim(skb, skb->len - L2CAP_FCS_SIZE);
 		rcv_fcs = get_unaligned_le16(skb->data + skb->len);
 		our_fcs = crc16(0, skb->data - hdr_size, skb->len + hdr_size);
 
@@ -3062,14 +3529,14 @@ static int l2cap_check_fcs(struct l2cap_chan *chan,  struct sk_buff *skb)
 
 static inline void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan)
 {
-	u16 control = 0;
+	u32 control = 0;
 
 	chan->frames_sent = 0;
 
-	control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+	control |= __set_reqseq(chan, chan->buffer_seq);
 
 	if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
-		control |= L2CAP_SUPER_RCV_NOT_READY;
+		control |= __set_ctrl_super(chan, L2CAP_SUPER_RNR);
 		l2cap_send_sframe(chan, control);
 		set_bit(CONN_RNR_SENT, &chan->conn_state);
 	}
@@ -3081,12 +3548,12 @@ static inline void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan)
 
 	if (!test_bit(CONN_LOCAL_BUSY, &chan->conn_state) &&
 			chan->frames_sent == 0) {
-		control |= L2CAP_SUPER_RCV_READY;
+		control |= __set_ctrl_super(chan, L2CAP_SUPER_RR);
 		l2cap_send_sframe(chan, control);
 	}
 }
 
-static int l2cap_add_to_srej_queue(struct l2cap_chan *chan, struct sk_buff *skb, u8 tx_seq, u8 sar)
+static int l2cap_add_to_srej_queue(struct l2cap_chan *chan, struct sk_buff *skb, u16 tx_seq, u8 sar)
 {
 	struct sk_buff *next_skb;
 	int tx_seq_offset, next_tx_seq_offset;
@@ -3100,18 +3567,14 @@ static int l2cap_add_to_srej_queue(struct l2cap_chan *chan, struct sk_buff *skb,
 		return 0;
 	}
 
-	tx_seq_offset = (tx_seq - chan->buffer_seq) % 64;
-	if (tx_seq_offset < 0)
-		tx_seq_offset += 64;
+	tx_seq_offset = __seq_offset(chan, tx_seq, chan->buffer_seq);
 
 	do {
 		if (bt_cb(next_skb)->tx_seq == tx_seq)
 			return -EINVAL;
 
-		next_tx_seq_offset = (bt_cb(next_skb)->tx_seq -
-						chan->buffer_seq) % 64;
-		if (next_tx_seq_offset < 0)
-			next_tx_seq_offset += 64;
+		next_tx_seq_offset = __seq_offset(chan,
+				bt_cb(next_skb)->tx_seq, chan->buffer_seq);
 
 		if (next_tx_seq_offset > tx_seq_offset) {
 			__skb_queue_before(&chan->srej_q, next_skb, skb);
@@ -3147,24 +3610,24 @@ static void append_skb_frag(struct sk_buff *skb,
 	skb->truesize += new_frag->truesize;
 }
 
-static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u16 control)
+static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u32 control)
 {
 	int err = -EINVAL;
 
-	switch (control & L2CAP_CTRL_SAR) {
-	case L2CAP_SDU_UNSEGMENTED:
+	switch (__get_ctrl_sar(chan, control)) {
+	case L2CAP_SAR_UNSEGMENTED:
 		if (chan->sdu)
 			break;
 
 		err = chan->ops->recv(chan->data, skb);
 		break;
 
-	case L2CAP_SDU_START:
+	case L2CAP_SAR_START:
 		if (chan->sdu)
 			break;
 
 		chan->sdu_len = get_unaligned_le16(skb->data);
-		skb_pull(skb, 2);
+		skb_pull(skb, L2CAP_SDULEN_SIZE);
 
 		if (chan->sdu_len > chan->imtu) {
 			err = -EMSGSIZE;
@@ -3181,7 +3644,7 @@ static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u1
 		err = 0;
 		break;
 
-	case L2CAP_SDU_CONTINUE:
+	case L2CAP_SAR_CONTINUE:
 		if (!chan->sdu)
 			break;
 
@@ -3195,7 +3658,7 @@ static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u1
 		err = 0;
 		break;
 
-	case L2CAP_SDU_END:
+	case L2CAP_SAR_END:
 		if (!chan->sdu)
 			break;
 
@@ -3230,14 +3693,14 @@ static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u1
 
 static void l2cap_ertm_enter_local_busy(struct l2cap_chan *chan)
 {
-	u16 control;
+	u32 control;
 
 	BT_DBG("chan %p, Enter local busy", chan);
 
 	set_bit(CONN_LOCAL_BUSY, &chan->conn_state);
 
-	control = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
-	control |= L2CAP_SUPER_RCV_NOT_READY;
+	control = __set_reqseq(chan, chan->buffer_seq);
+	control |= __set_ctrl_super(chan, L2CAP_SUPER_RNR);
 	l2cap_send_sframe(chan, control);
 
 	set_bit(CONN_RNR_SENT, &chan->conn_state);
@@ -3247,13 +3710,14 @@ static void l2cap_ertm_enter_local_busy(struct l2cap_chan *chan)
 
 static void l2cap_ertm_exit_local_busy(struct l2cap_chan *chan)
 {
-	u16 control;
+	u32 control;
 
 	if (!test_bit(CONN_RNR_SENT, &chan->conn_state))
 		goto done;
 
-	control = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
-	control |= L2CAP_SUPER_RCV_READY | L2CAP_CTRL_POLL;
+	control = __set_reqseq(chan, chan->buffer_seq);
+	control |= __set_ctrl_poll(chan);
+	control |= __set_ctrl_super(chan, L2CAP_SUPER_RR);
 	l2cap_send_sframe(chan, control);
 	chan->retry_count = 1;
 
@@ -3279,10 +3743,10 @@ void l2cap_chan_busy(struct l2cap_chan *chan, int busy)
 	}
 }
 
-static void l2cap_check_srej_gap(struct l2cap_chan *chan, u8 tx_seq)
+static void l2cap_check_srej_gap(struct l2cap_chan *chan, u16 tx_seq)
 {
 	struct sk_buff *skb;
-	u16 control;
+	u32 control;
 
 	while ((skb = skb_peek(&chan->srej_q)) &&
 			!test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) {
@@ -3292,7 +3756,7 @@ static void l2cap_check_srej_gap(struct l2cap_chan *chan, u8 tx_seq)
 			break;
 
 		skb = skb_dequeue(&chan->srej_q);
-		control = bt_cb(skb)->sar << L2CAP_CTRL_SAR_SHIFT;
+		control = __set_ctrl_sar(chan, bt_cb(skb)->sar);
 		err = l2cap_reassemble_sdu(chan, skb, control);
 
 		if (err < 0) {
@@ -3300,16 +3764,15 @@ static void l2cap_check_srej_gap(struct l2cap_chan *chan, u8 tx_seq)
 			break;
 		}
 
-		chan->buffer_seq_srej =
-			(chan->buffer_seq_srej + 1) % 64;
-		tx_seq = (tx_seq + 1) % 64;
+		chan->buffer_seq_srej = __next_seq(chan, chan->buffer_seq_srej);
+		tx_seq = __next_seq(chan, tx_seq);
 	}
 }
 
-static void l2cap_resend_srejframe(struct l2cap_chan *chan, u8 tx_seq)
+static void l2cap_resend_srejframe(struct l2cap_chan *chan, u16 tx_seq)
 {
 	struct srej_list *l, *tmp;
-	u16 control;
+	u32 control;
 
 	list_for_each_entry_safe(l, tmp, &chan->srej_l, list) {
 		if (l->tx_seq == tx_seq) {
@@ -3317,45 +3780,48 @@ static void l2cap_resend_srejframe(struct l2cap_chan *chan, u8 tx_seq)
 			kfree(l);
 			return;
 		}
-		control = L2CAP_SUPER_SELECT_REJECT;
-		control |= l->tx_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+		control = __set_ctrl_super(chan, L2CAP_SUPER_SREJ);
+		control |= __set_reqseq(chan, l->tx_seq);
 		l2cap_send_sframe(chan, control);
 		list_del(&l->list);
 		list_add_tail(&l->list, &chan->srej_l);
 	}
 }
 
-static void l2cap_send_srejframe(struct l2cap_chan *chan, u8 tx_seq)
+static void l2cap_send_srejframe(struct l2cap_chan *chan, u16 tx_seq)
 {
 	struct srej_list *new;
-	u16 control;
+	u32 control;
 
 	while (tx_seq != chan->expected_tx_seq) {
-		control = L2CAP_SUPER_SELECT_REJECT;
-		control |= chan->expected_tx_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+		control = __set_ctrl_super(chan, L2CAP_SUPER_SREJ);
+		control |= __set_reqseq(chan, chan->expected_tx_seq);
 		l2cap_send_sframe(chan, control);
 
 		new = kzalloc(sizeof(struct srej_list), GFP_ATOMIC);
 		new->tx_seq = chan->expected_tx_seq;
-		chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64;
+
+		chan->expected_tx_seq = __next_seq(chan, chan->expected_tx_seq);
+
 		list_add_tail(&new->list, &chan->srej_l);
 	}
-	chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64;
+
+	chan->expected_tx_seq = __next_seq(chan, chan->expected_tx_seq);
 }
 
-static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_control, struct sk_buff *skb)
+static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u32 rx_control, struct sk_buff *skb)
 {
-	u8 tx_seq = __get_txseq(rx_control);
-	u8 req_seq = __get_reqseq(rx_control);
-	u8 sar = rx_control >> L2CAP_CTRL_SAR_SHIFT;
+	u16 tx_seq = __get_txseq(chan, rx_control);
+	u16 req_seq = __get_reqseq(chan, rx_control);
+	u8 sar = __get_ctrl_sar(chan, rx_control);
 	int tx_seq_offset, expected_tx_seq_offset;
 	int num_to_ack = (chan->tx_win/6) + 1;
 	int err = 0;
 
-	BT_DBG("chan %p len %d tx_seq %d rx_control 0x%4.4x", chan, skb->len,
+	BT_DBG("chan %p len %d tx_seq %d rx_control 0x%8.8x", chan, skb->len,
 							tx_seq, rx_control);
 
-	if (L2CAP_CTRL_FINAL & rx_control &&
+	if (__is_ctrl_final(chan, rx_control) &&
 			test_bit(CONN_WAIT_F, &chan->conn_state)) {
 		__clear_monitor_timer(chan);
 		if (chan->unacked_frames > 0)
@@ -3366,9 +3832,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
 	chan->expected_ack_seq = req_seq;
 	l2cap_drop_acked_frames(chan);
 
-	tx_seq_offset = (tx_seq - chan->buffer_seq) % 64;
-	if (tx_seq_offset < 0)
-		tx_seq_offset += 64;
+	tx_seq_offset = __seq_offset(chan, tx_seq, chan->buffer_seq);
 
 	/* invalid tx_seq */
 	if (tx_seq_offset >= chan->tx_win) {
@@ -3416,10 +3880,8 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
 			l2cap_send_srejframe(chan, tx_seq);
 		}
 	} else {
-		expected_tx_seq_offset =
-			(chan->expected_tx_seq - chan->buffer_seq) % 64;
-		if (expected_tx_seq_offset < 0)
-			expected_tx_seq_offset += 64;
+		expected_tx_seq_offset = __seq_offset(chan,
+				chan->expected_tx_seq, chan->buffer_seq);
 
 		/* duplicated tx_seq */
 		if (tx_seq_offset < expected_tx_seq_offset)
@@ -3444,7 +3906,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
 	return 0;
 
 expected:
-	chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64;
+	chan->expected_tx_seq = __next_seq(chan, chan->expected_tx_seq);
 
 	if (test_bit(CONN_SREJ_SENT, &chan->conn_state)) {
 		bt_cb(skb)->tx_seq = tx_seq;
@@ -3454,13 +3916,14 @@ expected:
 	}
 
 	err = l2cap_reassemble_sdu(chan, skb, rx_control);
-	chan->buffer_seq = (chan->buffer_seq + 1) % 64;
+	chan->buffer_seq = __next_seq(chan, chan->buffer_seq);
+
 	if (err < 0) {
 		l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
 		return err;
 	}
 
-	if (rx_control & L2CAP_CTRL_FINAL) {
+	if (__is_ctrl_final(chan, rx_control)) {
 		if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state))
 			l2cap_retransmit_frames(chan);
 	}
@@ -3478,15 +3941,15 @@ drop:
 	return 0;
 }
 
-static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_control)
+static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u32 rx_control)
 {
-	BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, __get_reqseq(rx_control),
-						rx_control);
+	BT_DBG("chan %p, req_seq %d ctrl 0x%8.8x", chan,
+				__get_reqseq(chan, rx_control), rx_control);
 
-	chan->expected_ack_seq = __get_reqseq(rx_control);
+	chan->expected_ack_seq = __get_reqseq(chan, rx_control);
 	l2cap_drop_acked_frames(chan);
 
-	if (rx_control & L2CAP_CTRL_POLL) {
+	if (__is_ctrl_poll(chan, rx_control)) {
 		set_bit(CONN_SEND_FBIT, &chan->conn_state);
 		if (test_bit(CONN_SREJ_SENT, &chan->conn_state)) {
 			if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state) &&
@@ -3499,7 +3962,7 @@ static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_co
 			l2cap_send_i_or_rr_or_rnr(chan);
 		}
 
-	} else if (rx_control & L2CAP_CTRL_FINAL) {
+	} else if (__is_ctrl_final(chan, rx_control)) {
 		clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
 
 		if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state))
@@ -3518,18 +3981,18 @@ static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_co
 	}
 }
 
-static inline void l2cap_data_channel_rejframe(struct l2cap_chan *chan, u16 rx_control)
+static inline void l2cap_data_channel_rejframe(struct l2cap_chan *chan, u32 rx_control)
 {
-	u8 tx_seq = __get_reqseq(rx_control);
+	u16 tx_seq = __get_reqseq(chan, rx_control);
 
-	BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
+	BT_DBG("chan %p, req_seq %d ctrl 0x%8.8x", chan, tx_seq, rx_control);
 
 	clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
 
 	chan->expected_ack_seq = tx_seq;
 	l2cap_drop_acked_frames(chan);
 
-	if (rx_control & L2CAP_CTRL_FINAL) {
+	if (__is_ctrl_final(chan, rx_control)) {
 		if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state))
 			l2cap_retransmit_frames(chan);
 	} else {
@@ -3539,15 +4002,15 @@ static inline void l2cap_data_channel_rejframe(struct l2cap_chan *chan, u16 rx_c
 			set_bit(CONN_REJ_ACT, &chan->conn_state);
 	}
 }
-static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_control)
+static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u32 rx_control)
 {
-	u8 tx_seq = __get_reqseq(rx_control);
+	u16 tx_seq = __get_reqseq(chan, rx_control);
 
-	BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
+	BT_DBG("chan %p, req_seq %d ctrl 0x%8.8x", chan, tx_seq, rx_control);
 
 	clear_bit(CONN_REMOTE_BUSY, &chan->conn_state);
 
-	if (rx_control & L2CAP_CTRL_POLL) {
+	if (__is_ctrl_poll(chan, rx_control)) {
 		chan->expected_ack_seq = tx_seq;
 		l2cap_drop_acked_frames(chan);
 
@@ -3560,7 +4023,7 @@ static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_
 			chan->srej_save_reqseq = tx_seq;
 			set_bit(CONN_SREJ_ACT, &chan->conn_state);
 		}
-	} else if (rx_control & L2CAP_CTRL_FINAL) {
+	} else if (__is_ctrl_final(chan, rx_control)) {
 		if (test_bit(CONN_SREJ_ACT, &chan->conn_state) &&
 				chan->srej_save_reqseq == tx_seq)
 			clear_bit(CONN_SREJ_ACT, &chan->conn_state);
@@ -3575,37 +4038,39 @@ static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_
 	}
 }
 
-static inline void l2cap_data_channel_rnrframe(struct l2cap_chan *chan, u16 rx_control)
+static inline void l2cap_data_channel_rnrframe(struct l2cap_chan *chan, u32 rx_control)
 {
-	u8 tx_seq = __get_reqseq(rx_control);
+	u16 tx_seq = __get_reqseq(chan, rx_control);
 
-	BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
+	BT_DBG("chan %p, req_seq %d ctrl 0x%8.8x", chan, tx_seq, rx_control);
 
 	set_bit(CONN_REMOTE_BUSY, &chan->conn_state);
 	chan->expected_ack_seq = tx_seq;
 	l2cap_drop_acked_frames(chan);
 
-	if (rx_control & L2CAP_CTRL_POLL)
+	if (__is_ctrl_poll(chan, rx_control))
 		set_bit(CONN_SEND_FBIT, &chan->conn_state);
 
 	if (!test_bit(CONN_SREJ_SENT, &chan->conn_state)) {
 		__clear_retrans_timer(chan);
-		if (rx_control & L2CAP_CTRL_POLL)
+		if (__is_ctrl_poll(chan, rx_control))
 			l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_FINAL);
 		return;
 	}
 
-	if (rx_control & L2CAP_CTRL_POLL)
+	if (__is_ctrl_poll(chan, rx_control)) {
 		l2cap_send_srejtail(chan);
-	else
-		l2cap_send_sframe(chan, L2CAP_SUPER_RCV_READY);
+	} else {
+		rx_control = __set_ctrl_super(chan, L2CAP_SUPER_RR);
+		l2cap_send_sframe(chan, rx_control);
+	}
 }
 
-static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u16 rx_control, struct sk_buff *skb)
+static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u32 rx_control, struct sk_buff *skb)
 {
-	BT_DBG("chan %p rx_control 0x%4.4x len %d", chan, rx_control, skb->len);
+	BT_DBG("chan %p rx_control 0x%8.8x len %d", chan, rx_control, skb->len);
 
-	if (L2CAP_CTRL_FINAL & rx_control &&
+	if (__is_ctrl_final(chan, rx_control) &&
 			test_bit(CONN_WAIT_F, &chan->conn_state)) {
 		__clear_monitor_timer(chan);
 		if (chan->unacked_frames > 0)
@@ -3613,20 +4078,20 @@ static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u16 rx_cont
 		clear_bit(CONN_WAIT_F, &chan->conn_state);
 	}
 
-	switch (rx_control & L2CAP_CTRL_SUPERVISE) {
-	case L2CAP_SUPER_RCV_READY:
+	switch (__get_ctrl_super(chan, rx_control)) {
+	case L2CAP_SUPER_RR:
 		l2cap_data_channel_rrframe(chan, rx_control);
 		break;
 
-	case L2CAP_SUPER_REJECT:
+	case L2CAP_SUPER_REJ:
 		l2cap_data_channel_rejframe(chan, rx_control);
 		break;
 
-	case L2CAP_SUPER_SELECT_REJECT:
+	case L2CAP_SUPER_SREJ:
 		l2cap_data_channel_srejframe(chan, rx_control);
 		break;
 
-	case L2CAP_SUPER_RCV_NOT_READY:
+	case L2CAP_SUPER_RNR:
 		l2cap_data_channel_rnrframe(chan, rx_control);
 		break;
 	}
@@ -3638,12 +4103,12 @@ static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u16 rx_cont
 static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb)
 {
 	struct l2cap_chan *chan = l2cap_pi(sk)->chan;
-	u16 control;
-	u8 req_seq;
+	u32 control;
+	u16 req_seq;
 	int len, next_tx_seq_offset, req_seq_offset;
 
-	control = get_unaligned_le16(skb->data);
-	skb_pull(skb, 2);
+	control = __get_control(chan, skb->data);
+	skb_pull(skb, __ctrl_size(chan));
 	len = skb->len;
 
 	/*
@@ -3654,26 +4119,23 @@ static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb)
 	if (l2cap_check_fcs(chan, skb))
 		goto drop;
 
-	if (__is_sar_start(control) && __is_iframe(control))
-		len -= 2;
+	if (__is_sar_start(chan, control) && !__is_sframe(chan, control))
+		len -= L2CAP_SDULEN_SIZE;
 
 	if (chan->fcs == L2CAP_FCS_CRC16)
-		len -= 2;
+		len -= L2CAP_FCS_SIZE;
 
 	if (len > chan->mps) {
 		l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
 		goto drop;
 	}
 
-	req_seq = __get_reqseq(control);
-	req_seq_offset = (req_seq - chan->expected_ack_seq) % 64;
-	if (req_seq_offset < 0)
-		req_seq_offset += 64;
+	req_seq = __get_reqseq(chan, control);
 
-	next_tx_seq_offset =
-		(chan->next_tx_seq - chan->expected_ack_seq) % 64;
-	if (next_tx_seq_offset < 0)
-		next_tx_seq_offset += 64;
+	req_seq_offset = __seq_offset(chan, req_seq, chan->expected_ack_seq);
+
+	next_tx_seq_offset = __seq_offset(chan, chan->next_tx_seq,
+						chan->expected_ack_seq);
 
 	/* check for invalid req-seq */
 	if (req_seq_offset > next_tx_seq_offset) {
@@ -3681,7 +4143,7 @@ static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb)
 		goto drop;
 	}
 
-	if (__is_iframe(control)) {
+	if (!__is_sframe(chan, control)) {
 		if (len < 0) {
 			l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
 			goto drop;
@@ -3709,8 +4171,8 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
 {
 	struct l2cap_chan *chan;
 	struct sock *sk = NULL;
-	u16 control;
-	u8 tx_seq;
+	u32 control;
+	u16 tx_seq;
 	int len;
 
 	chan = l2cap_get_chan_by_scid(conn, cid);
@@ -3751,23 +4213,23 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
 		goto done;
 
 	case L2CAP_MODE_STREAMING:
-		control = get_unaligned_le16(skb->data);
-		skb_pull(skb, 2);
+		control = __get_control(chan, skb->data);
+		skb_pull(skb, __ctrl_size(chan));
 		len = skb->len;
 
 		if (l2cap_check_fcs(chan, skb))
 			goto drop;
 
-		if (__is_sar_start(control))
-			len -= 2;
+		if (__is_sar_start(chan, control))
+			len -= L2CAP_SDULEN_SIZE;
 
 		if (chan->fcs == L2CAP_FCS_CRC16)
-			len -= 2;
+			len -= L2CAP_FCS_SIZE;
 
-		if (len > chan->mps || len < 0 || __is_sframe(control))
+		if (len > chan->mps || len < 0 || __is_sframe(chan, control))
 			goto drop;
 
-		tx_seq = __get_txseq(control);
+		tx_seq = __get_txseq(chan, control);
 
 		if (chan->expected_tx_seq != tx_seq) {
 			/* Frame(s) missing - must discard partial SDU */
@@ -3779,7 +4241,7 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
 			/* TODO: Notify userland of missing data */
 		}
 
-		chan->expected_tx_seq = (tx_seq + 1) % 64;
+		chan->expected_tx_seq = __next_seq(chan, tx_seq);
 
 		if (l2cap_reassemble_sdu(chan, skb, control) == -EMSGSIZE)
 			l2cap_send_disconn_req(chan->conn, chan, ECONNRESET);
@@ -3933,12 +4395,12 @@ static int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
 
 		if (!bacmp(&bt_sk(sk)->src, &hdev->bdaddr)) {
 			lm1 |= HCI_LM_ACCEPT;
-			if (c->role_switch)
+			if (test_bit(FLAG_ROLE_SWITCH, &c->flags))
 				lm1 |= HCI_LM_MASTER;
 			exact++;
 		} else if (!bacmp(&bt_sk(sk)->src, BDADDR_ANY)) {
 			lm2 |= HCI_LM_ACCEPT;
-			if (c->role_switch)
+			if (test_bit(FLAG_ROLE_SWITCH, &c->flags))
 				lm2 |= HCI_LM_MASTER;
 		}
 	}
@@ -3973,7 +4435,7 @@ static int l2cap_disconn_ind(struct hci_conn *hcon)
 	BT_DBG("hcon %p", hcon);
 
 	if ((hcon->type != ACL_LINK && hcon->type != LE_LINK) || !conn)
-		return 0x13;
+		return HCI_ERROR_REMOTE_USER_TERM;
 
 	return conn->disc_reason;
 }
@@ -4306,3 +4768,6 @@ void l2cap_exit(void)
 
 module_param(disable_ertm, bool, 0644);
 MODULE_PARM_DESC(disable_ertm, "Disable enhanced retransmission mode");
+
+module_param(enable_hs, bool, 0644);
+MODULE_PARM_DESC(enable_hs, "Enable High Speed");