Merge branch 'fix/asoc' into for-linus

1 files changed, 394 insertions, 63 deletions

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 6cc18f371675..68f589150692 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -27,17 +27,23 @@
 #ifndef __L2CAP_H
 #define __L2CAP_H
 
+#include <asm/unaligned.h>
+
 /* L2CAP defaults */
 #define L2CAP_DEFAULT_MTU		672
 #define L2CAP_DEFAULT_MIN_MTU		48
 #define L2CAP_DEFAULT_FLUSH_TO		0xffff
 #define L2CAP_DEFAULT_TX_WINDOW		63
+#define L2CAP_DEFAULT_EXT_WINDOW	0x3FFF
 #define L2CAP_DEFAULT_MAX_TX		3
 #define L2CAP_DEFAULT_RETRANS_TO	2000    /* 2 seconds */
 #define L2CAP_DEFAULT_MONITOR_TO	12000   /* 12 seconds */
 #define L2CAP_DEFAULT_MAX_PDU_SIZE	1009    /* Sized for 3-DH5 packet */
 #define L2CAP_DEFAULT_ACK_TO		200
 #define L2CAP_LE_DEFAULT_MTU		23
+#define L2CAP_DEFAULT_MAX_SDU_SIZE	0xFFFF
+#define L2CAP_DEFAULT_SDU_ITIME		0xFFFFFFFF
+#define L2CAP_DEFAULT_ACC_LAT		0xFFFFFFFF
 
 #define L2CAP_DISC_TIMEOUT             (100)
 #define L2CAP_DISC_REJ_TIMEOUT         (5000)  /*  5 seconds */
@@ -91,52 +97,82 @@ struct l2cap_conninfo {
 #define L2CAP_ECHO_RSP		0x09
 #define L2CAP_INFO_REQ		0x0a
 #define L2CAP_INFO_RSP		0x0b
+#define L2CAP_CREATE_CHAN_REQ	0x0c
+#define L2CAP_CREATE_CHAN_RSP	0x0d
+#define L2CAP_MOVE_CHAN_REQ	0x0e
+#define L2CAP_MOVE_CHAN_RSP	0x0f
+#define L2CAP_MOVE_CHAN_CFM	0x10
+#define L2CAP_MOVE_CHAN_CFM_RSP	0x11
 #define L2CAP_CONN_PARAM_UPDATE_REQ	0x12
 #define L2CAP_CONN_PARAM_UPDATE_RSP	0x13
 
-/* L2CAP feature mask */
+/* L2CAP extended feature mask */
 #define L2CAP_FEAT_FLOWCTL	0x00000001
 #define L2CAP_FEAT_RETRANS	0x00000002
+#define L2CAP_FEAT_BIDIR_QOS	0x00000004
 #define L2CAP_FEAT_ERTM		0x00000008
 #define L2CAP_FEAT_STREAMING	0x00000010
 #define L2CAP_FEAT_FCS		0x00000020
+#define L2CAP_FEAT_EXT_FLOW	0x00000040
 #define L2CAP_FEAT_FIXED_CHAN	0x00000080
+#define L2CAP_FEAT_EXT_WINDOW	0x00000100
+#define L2CAP_FEAT_UCD		0x00000200
 
 /* L2CAP checksum option */
 #define L2CAP_FCS_NONE		0x00
 #define L2CAP_FCS_CRC16		0x01
 
+/* L2CAP fixed channels */
+#define L2CAP_FC_L2CAP		0x02
+#define L2CAP_FC_A2MP		0x08
+
 /* L2CAP Control Field bit masks */
-#define L2CAP_CTRL_SAR               0xC000
-#define L2CAP_CTRL_REQSEQ            0x3F00
-#define L2CAP_CTRL_TXSEQ             0x007E
-#define L2CAP_CTRL_RETRANS           0x0080
-#define L2CAP_CTRL_FINAL             0x0080
-#define L2CAP_CTRL_POLL              0x0010
-#define L2CAP_CTRL_SUPERVISE         0x000C
-#define L2CAP_CTRL_FRAME_TYPE        0x0001 /* I- or S-Frame */
-
-#define L2CAP_CTRL_TXSEQ_SHIFT      1
-#define L2CAP_CTRL_REQSEQ_SHIFT     8
-#define L2CAP_CTRL_SAR_SHIFT       14
+#define L2CAP_CTRL_SAR			0xC000
+#define L2CAP_CTRL_REQSEQ		0x3F00
+#define L2CAP_CTRL_TXSEQ		0x007E
+#define L2CAP_CTRL_SUPERVISE		0x000C
+
+#define L2CAP_CTRL_RETRANS		0x0080
+#define L2CAP_CTRL_FINAL		0x0080
+#define L2CAP_CTRL_POLL			0x0010
+#define L2CAP_CTRL_FRAME_TYPE		0x0001 /* I- or S-Frame */
+
+#define L2CAP_CTRL_TXSEQ_SHIFT		1
+#define L2CAP_CTRL_SUPER_SHIFT		2
+#define L2CAP_CTRL_REQSEQ_SHIFT		8
+#define L2CAP_CTRL_SAR_SHIFT		14
+
+/* L2CAP Extended Control Field bit mask */
+#define L2CAP_EXT_CTRL_TXSEQ		0xFFFC0000
+#define L2CAP_EXT_CTRL_SAR		0x00030000
+#define L2CAP_EXT_CTRL_SUPERVISE	0x00030000
+#define L2CAP_EXT_CTRL_REQSEQ		0x0000FFFC
+
+#define L2CAP_EXT_CTRL_POLL		0x00040000
+#define L2CAP_EXT_CTRL_FINAL		0x00000002
+#define L2CAP_EXT_CTRL_FRAME_TYPE	0x00000001 /* I- or S-Frame */
+
+#define L2CAP_EXT_CTRL_REQSEQ_SHIFT	2
+#define L2CAP_EXT_CTRL_SAR_SHIFT	16
+#define L2CAP_EXT_CTRL_SUPER_SHIFT	16
+#define L2CAP_EXT_CTRL_TXSEQ_SHIFT	18
 
 /* L2CAP Supervisory Function */
-#define L2CAP_SUPER_RCV_READY           0x0000
-#define L2CAP_SUPER_REJECT              0x0004
-#define L2CAP_SUPER_RCV_NOT_READY       0x0008
-#define L2CAP_SUPER_SELECT_REJECT       0x000C
+#define L2CAP_SUPER_RR		0x00
+#define L2CAP_SUPER_REJ		0x01
+#define L2CAP_SUPER_RNR		0x02
+#define L2CAP_SUPER_SREJ	0x03
 
 /* L2CAP Segmentation and Reassembly */
-#define L2CAP_SDU_UNSEGMENTED       0x0000
-#define L2CAP_SDU_START             0x4000
-#define L2CAP_SDU_END               0x8000
-#define L2CAP_SDU_CONTINUE          0xC000
+#define L2CAP_SAR_UNSEGMENTED	0x00
+#define L2CAP_SAR_START		0x01
+#define L2CAP_SAR_END		0x02
+#define L2CAP_SAR_CONTINUE	0x03
 
 /* L2CAP Command rej. reasons */
-#define L2CAP_REJ_NOT_UNDERSTOOD      0x0000
-#define L2CAP_REJ_MTU_EXCEEDED        0x0001
-#define L2CAP_REJ_INVALID_CID         0x0002
-
+#define L2CAP_REJ_NOT_UNDERSTOOD	0x0000
+#define L2CAP_REJ_MTU_EXCEEDED		0x0001
+#define L2CAP_REJ_INVALID_CID		0x0002
 
 /* L2CAP structures */
 struct l2cap_hdr {
@@ -144,6 +180,12 @@ struct l2cap_hdr {
 	__le16     cid;
 } __packed;
 #define L2CAP_HDR_SIZE		4
+#define L2CAP_ENH_HDR_SIZE	6
+#define L2CAP_EXT_HDR_SIZE	8
+
+#define L2CAP_FCS_SIZE		2
+#define L2CAP_SDULEN_SIZE	2
+#define L2CAP_PSMLEN_SIZE	2
 
 struct l2cap_cmd_hdr {
 	__u8       code;
@@ -188,14 +230,15 @@ struct l2cap_conn_rsp {
 #define L2CAP_CID_DYN_START	0x0040
 #define L2CAP_CID_DYN_END	0xffff
 
-/* connect result */
+/* connect/create channel results */
 #define L2CAP_CR_SUCCESS	0x0000
 #define L2CAP_CR_PEND		0x0001
 #define L2CAP_CR_BAD_PSM	0x0002
 #define L2CAP_CR_SEC_BLOCK	0x0003
 #define L2CAP_CR_NO_MEM		0x0004
+#define L2CAP_CR_BAD_AMP	0x0005
 
-/* connect status */
+/* connect/create channel status */
 #define L2CAP_CS_NO_INFO	0x0000
 #define L2CAP_CS_AUTHEN_PEND	0x0001
 #define L2CAP_CS_AUTHOR_PEND	0x0002
@@ -217,6 +260,8 @@ struct l2cap_conf_rsp {
 #define L2CAP_CONF_UNACCEPT	0x0001
 #define L2CAP_CONF_REJECT	0x0002
 #define L2CAP_CONF_UNKNOWN	0x0003
+#define L2CAP_CONF_PENDING	0x0004
+#define L2CAP_CONF_EFS_REJECT	0x0005
 
 struct l2cap_conf_opt {
 	__u8       type;
@@ -233,6 +278,8 @@ struct l2cap_conf_opt {
 #define L2CAP_CONF_QOS		0x03
 #define L2CAP_CONF_RFC		0x04
 #define L2CAP_CONF_FCS		0x05
+#define L2CAP_CONF_EFS		0x06
+#define L2CAP_CONF_EWS		0x07
 
 #define L2CAP_CONF_MAX_SIZE	22
 
@@ -251,6 +298,21 @@ struct l2cap_conf_rfc {
 #define L2CAP_MODE_ERTM		0x03
 #define L2CAP_MODE_STREAMING	0x04
 
+struct l2cap_conf_efs {
+	__u8	id;
+	__u8	stype;
+	__le16	msdu;
+	__le32	sdu_itime;
+	__le32	acc_lat;
+	__le32	flush_to;
+} __packed;
+
+#define L2CAP_SERV_NOTRAFIC	0x00
+#define L2CAP_SERV_BESTEFFORT	0x01
+#define L2CAP_SERV_GUARANTEED	0x02
+
+#define L2CAP_BESTEFFORT_ID	0x01
+
 struct l2cap_disconn_req {
 	__le16     dcid;
 	__le16     scid;
@@ -271,14 +333,57 @@ struct l2cap_info_rsp {
 	__u8        data[0];
 } __packed;
 
+struct l2cap_create_chan_req {
+	__le16      psm;
+	__le16      scid;
+	__u8        amp_id;
+} __packed;
+
+struct l2cap_create_chan_rsp {
+	__le16      dcid;
+	__le16      scid;
+	__le16      result;
+	__le16      status;
+} __packed;
+
+struct l2cap_move_chan_req {
+	__le16      icid;
+	__u8        dest_amp_id;
+} __packed;
+
+struct l2cap_move_chan_rsp {
+	__le16      icid;
+	__le16      result;
+} __packed;
+
+#define L2CAP_MR_SUCCESS	0x0000
+#define L2CAP_MR_PEND		0x0001
+#define L2CAP_MR_BAD_ID		0x0002
+#define L2CAP_MR_SAME_ID	0x0003
+#define L2CAP_MR_NOT_SUPP	0x0004
+#define L2CAP_MR_COLLISION	0x0005
+#define L2CAP_MR_NOT_ALLOWED	0x0006
+
+struct l2cap_move_chan_cfm {
+	__le16      icid;
+	__le16      result;
+} __packed;
+
+#define L2CAP_MC_CONFIRMED	0x0000
+#define L2CAP_MC_UNCONFIRMED	0x0001
+
+struct l2cap_move_chan_cfm_rsp {
+	__le16      icid;
+} __packed;
+
 /* info type */
-#define L2CAP_IT_CL_MTU     0x0001
-#define L2CAP_IT_FEAT_MASK  0x0002
-#define L2CAP_IT_FIXED_CHAN 0x0003
+#define L2CAP_IT_CL_MTU		0x0001
+#define L2CAP_IT_FEAT_MASK	0x0002
+#define L2CAP_IT_FIXED_CHAN	0x0003
 
 /* info result */
-#define L2CAP_IR_SUCCESS    0x0000
-#define L2CAP_IR_NOTSUPP    0x0001
+#define L2CAP_IR_SUCCESS	0x0000
+#define L2CAP_IR_NOTSUPP	0x0001
 
 struct l2cap_conn_param_update_req {
 	__le16      min;
@@ -297,7 +402,7 @@ struct l2cap_conn_param_update_rsp {
 
 /* ----- L2CAP channels and connections ----- */
 struct srej_list {
-	__u8	tx_seq;
+	__u16	tx_seq;
 	struct list_head list;
 };
 
@@ -319,14 +424,11 @@ struct l2cap_chan {
 	__u16		flush_to;
 	__u8		mode;
 	__u8		chan_type;
+	__u8		chan_policy;
 
 	__le16		sport;
 
 	__u8		sec_level;
-	__u8		role_switch;
-	__u8		force_reliable;
-	__u8		flushable;
-	__u8		force_active;
 
 	__u8		ident;
 
@@ -337,7 +439,8 @@ struct l2cap_chan {
 
 	__u8		fcs;
 
-	__u8		tx_win;
+	__u16		tx_win;
+	__u16		tx_win_max;
 	__u8		max_tx;
 	__u16		retrans_timeout;
 	__u16		monitor_timeout;
@@ -345,29 +448,45 @@ struct l2cap_chan {
 
 	unsigned long	conf_state;
 	unsigned long	conn_state;
-
-	__u8		next_tx_seq;
-	__u8		expected_ack_seq;
-	__u8		expected_tx_seq;
-	__u8		buffer_seq;
-	__u8		buffer_seq_srej;
-	__u8		srej_save_reqseq;
-	__u8		frames_sent;
-	__u8		unacked_frames;
+	unsigned long	flags;
+
+	__u16		next_tx_seq;
+	__u16		expected_ack_seq;
+	__u16		expected_tx_seq;
+	__u16		buffer_seq;
+	__u16		buffer_seq_srej;
+	__u16		srej_save_reqseq;
+	__u16		frames_sent;
+	__u16		unacked_frames;
 	__u8		retry_count;
 	__u8		num_acked;
 	__u16		sdu_len;
 	struct sk_buff	*sdu;
 	struct sk_buff	*sdu_last_frag;
 
-	__u8		remote_tx_win;
+	__u16		remote_tx_win;
 	__u8		remote_max_tx;
 	__u16		remote_mps;
 
-	struct timer_list	chan_timer;
-	struct timer_list	retrans_timer;
-	struct timer_list	monitor_timer;
-	struct timer_list	ack_timer;
+	__u8		local_id;
+	__u8		local_stype;
+	__u16		local_msdu;
+	__u32		local_sdu_itime;
+	__u32		local_acc_lat;
+	__u32		local_flush_to;
+
+	__u8		remote_id;
+	__u8		remote_stype;
+	__u16		remote_msdu;
+	__u32		remote_sdu_itime;
+	__u32		remote_acc_lat;
+	__u32		remote_flush_to;
+
+	struct delayed_work	chan_timer;
+	struct delayed_work	retrans_timer;
+	struct delayed_work	monitor_timer;
+	struct delayed_work	ack_timer;
+
 	struct sk_buff		*tx_send_head;
 	struct sk_buff_head	tx_q;
 	struct sk_buff_head	srej_q;
@@ -391,6 +510,7 @@ struct l2cap_ops {
 
 struct l2cap_conn {
 	struct hci_conn	*hcon;
+	struct hci_chan	*hchan;
 
 	bdaddr_t	*dst;
 	bdaddr_t	*src;
@@ -402,7 +522,7 @@ struct l2cap_conn {
 	__u8		info_state;
 	__u8		info_ident;
 
-	struct timer_list info_timer;
+	struct delayed_work info_timer;
 
 	spinlock_t	lock;
 
@@ -412,11 +532,11 @@ struct l2cap_conn {
 
 	__u8		disc_reason;
 
-	struct timer_list security_timer;
+	struct delayed_work  security_timer;
 	struct smp_chan *smp_chan;
 
 	struct list_head chan_l;
-	rwlock_t	chan_lock;
+	struct mutex	chan_lock;
 };
 
 #define L2CAP_INFO_CL_MTU_REQ_SENT	0x01
@@ -445,6 +565,9 @@ enum {
 	CONF_CONNECT_PEND,
 	CONF_NO_FCS_RECV,
 	CONF_STATE2_DEVICE,
+	CONF_EWS_RECV,
+	CONF_LOC_CONF_PEND,
+	CONF_REM_CONF_PEND,
 };
 
 #define L2CAP_CONF_MAX_CONF_REQ 2
@@ -462,6 +585,44 @@ enum {
 	CONN_RNR_SENT,
 };
 
+/* Definitions for flags in l2cap_chan */
+enum {
+	FLAG_ROLE_SWITCH,
+	FLAG_FORCE_ACTIVE,
+	FLAG_FORCE_RELIABLE,
+	FLAG_FLUSHABLE,
+	FLAG_EXT_CTRL,
+	FLAG_EFS_ENABLE,
+};
+
+static inline void l2cap_chan_hold(struct l2cap_chan *c)
+{
+	atomic_inc(&c->refcnt);
+}
+
+static inline void l2cap_chan_put(struct l2cap_chan *c)
+{
+	if (atomic_dec_and_test(&c->refcnt))
+		kfree(c);
+}
+
+static inline void l2cap_set_timer(struct l2cap_chan *chan,
+					struct delayed_work *work, long timeout)
+{
+	BT_DBG("chan %p state %d timeout %ld", chan, chan->state, timeout);
+
+	if (!__cancel_delayed_work(work))
+		l2cap_chan_hold(chan);
+	schedule_delayed_work(work, timeout);
+}
+
+static inline void l2cap_clear_timer(struct l2cap_chan *chan,
+					struct delayed_work *work)
+{
+	if (__cancel_delayed_work(work))
+		l2cap_chan_put(chan);
+}
+
 #define __set_chan_timer(c, t) l2cap_set_timer(c, &c->chan_timer, (t))
 #define __clear_chan_timer(c) l2cap_clear_timer(c, &c->chan_timer)
 #define __set_retrans_timer(c) l2cap_set_timer(c, &c->retrans_timer, \
@@ -474,6 +635,22 @@ enum {
 		L2CAP_DEFAULT_ACK_TO);
 #define __clear_ack_timer(c) l2cap_clear_timer(c, &c->ack_timer)
 
+static inline int __seq_offset(struct l2cap_chan *chan, __u16 seq1, __u16 seq2)
+{
+	int offset;
+
+	offset = (seq1 - seq2) % (chan->tx_win_max + 1);
+	if (offset < 0)
+		offset += (chan->tx_win_max + 1);
+
+	return offset;
+}
+
+static inline __u16 __next_seq(struct l2cap_chan *chan, __u16 seq)
+{
+	return (seq + 1) % (chan->tx_win_max + 1);
+}
+
 static inline int l2cap_tx_window_full(struct l2cap_chan *ch)
 {
 	int sub;
@@ -486,13 +663,164 @@ static inline int l2cap_tx_window_full(struct l2cap_chan *ch)
 	return sub == ch->remote_tx_win;
 }
 
-#define __get_txseq(ctrl)	(((ctrl) & L2CAP_CTRL_TXSEQ) >> 1)
-#define __get_reqseq(ctrl)	(((ctrl) & L2CAP_CTRL_REQSEQ) >> 8)
-#define __is_iframe(ctrl)	(!((ctrl) & L2CAP_CTRL_FRAME_TYPE))
-#define __is_sframe(ctrl)	((ctrl) & L2CAP_CTRL_FRAME_TYPE)
-#define __is_sar_start(ctrl)	(((ctrl) & L2CAP_CTRL_SAR) == L2CAP_SDU_START)
+static inline __u16 __get_reqseq(struct l2cap_chan *chan, __u32 ctrl)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return (ctrl & L2CAP_EXT_CTRL_REQSEQ) >>
+						L2CAP_EXT_CTRL_REQSEQ_SHIFT;
+	else
+		return (ctrl & L2CAP_CTRL_REQSEQ) >> L2CAP_CTRL_REQSEQ_SHIFT;
+}
+
+static inline __u32 __set_reqseq(struct l2cap_chan *chan, __u32 reqseq)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return (reqseq << L2CAP_EXT_CTRL_REQSEQ_SHIFT) &
+							L2CAP_EXT_CTRL_REQSEQ;
+	else
+		return (reqseq << L2CAP_CTRL_REQSEQ_SHIFT) & L2CAP_CTRL_REQSEQ;
+}
+
+static inline __u16 __get_txseq(struct l2cap_chan *chan, __u32 ctrl)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return (ctrl & L2CAP_EXT_CTRL_TXSEQ) >>
+						L2CAP_EXT_CTRL_TXSEQ_SHIFT;
+	else
+		return (ctrl & L2CAP_CTRL_TXSEQ) >> L2CAP_CTRL_TXSEQ_SHIFT;
+}
+
+static inline __u32 __set_txseq(struct l2cap_chan *chan, __u32 txseq)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return (txseq << L2CAP_EXT_CTRL_TXSEQ_SHIFT) &
+							L2CAP_EXT_CTRL_TXSEQ;
+	else
+		return (txseq << L2CAP_CTRL_TXSEQ_SHIFT) & L2CAP_CTRL_TXSEQ;
+}
+
+static inline bool __is_sframe(struct l2cap_chan *chan, __u32 ctrl)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return ctrl & L2CAP_EXT_CTRL_FRAME_TYPE;
+	else
+		return ctrl & L2CAP_CTRL_FRAME_TYPE;
+}
+
+static inline __u32 __set_sframe(struct l2cap_chan *chan)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return L2CAP_EXT_CTRL_FRAME_TYPE;
+	else
+		return L2CAP_CTRL_FRAME_TYPE;
+}
+
+static inline __u8 __get_ctrl_sar(struct l2cap_chan *chan, __u32 ctrl)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return (ctrl & L2CAP_EXT_CTRL_SAR) >> L2CAP_EXT_CTRL_SAR_SHIFT;
+	else
+		return (ctrl & L2CAP_CTRL_SAR) >> L2CAP_CTRL_SAR_SHIFT;
+}
+
+static inline __u32 __set_ctrl_sar(struct l2cap_chan *chan, __u32 sar)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return (sar << L2CAP_EXT_CTRL_SAR_SHIFT) & L2CAP_EXT_CTRL_SAR;
+	else
+		return (sar << L2CAP_CTRL_SAR_SHIFT) & L2CAP_CTRL_SAR;
+}
+
+static inline bool __is_sar_start(struct l2cap_chan *chan, __u32 ctrl)
+{
+	return __get_ctrl_sar(chan, ctrl) == L2CAP_SAR_START;
+}
+
+static inline __u32 __get_sar_mask(struct l2cap_chan *chan)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return L2CAP_EXT_CTRL_SAR;
+	else
+		return L2CAP_CTRL_SAR;
+}
+
+static inline __u8 __get_ctrl_super(struct l2cap_chan *chan, __u32 ctrl)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return (ctrl & L2CAP_EXT_CTRL_SUPERVISE) >>
+						L2CAP_EXT_CTRL_SUPER_SHIFT;
+	else
+		return (ctrl & L2CAP_CTRL_SUPERVISE) >> L2CAP_CTRL_SUPER_SHIFT;
+}
+
+static inline __u32 __set_ctrl_super(struct l2cap_chan *chan, __u32 super)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return (super << L2CAP_EXT_CTRL_SUPER_SHIFT) &
+						L2CAP_EXT_CTRL_SUPERVISE;
+	else
+		return (super << L2CAP_CTRL_SUPER_SHIFT) &
+							L2CAP_CTRL_SUPERVISE;
+}
+
+static inline __u32 __set_ctrl_final(struct l2cap_chan *chan)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return L2CAP_EXT_CTRL_FINAL;
+	else
+		return L2CAP_CTRL_FINAL;
+}
+
+static inline bool __is_ctrl_final(struct l2cap_chan *chan, __u32 ctrl)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return ctrl & L2CAP_EXT_CTRL_FINAL;
+	else
+		return ctrl & L2CAP_CTRL_FINAL;
+}
+
+static inline __u32 __set_ctrl_poll(struct l2cap_chan *chan)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return L2CAP_EXT_CTRL_POLL;
+	else
+		return L2CAP_CTRL_POLL;
+}
+
+static inline bool __is_ctrl_poll(struct l2cap_chan *chan, __u32 ctrl)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return ctrl & L2CAP_EXT_CTRL_POLL;
+	else
+		return ctrl & L2CAP_CTRL_POLL;
+}
+
+static inline __u32 __get_control(struct l2cap_chan *chan, void *p)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return get_unaligned_le32(p);
+	else
+		return get_unaligned_le16(p);
+}
+
+static inline void __put_control(struct l2cap_chan *chan, __u32 control,
+								void *p)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return put_unaligned_le32(control, p);
+	else
+		return put_unaligned_le16(control, p);
+}
+
+static inline __u8 __ctrl_size(struct l2cap_chan *chan)
+{
+	if (test_bit(FLAG_EXT_CTRL, &chan->flags))
+		return L2CAP_EXT_HDR_SIZE - L2CAP_HDR_SIZE;
+	else
+		return L2CAP_ENH_HDR_SIZE - L2CAP_HDR_SIZE;
+}
 
-extern int disable_ertm;
+extern bool disable_ertm;
 
 int l2cap_init_sockets(void);
 void l2cap_cleanup_sockets(void);
@@ -506,8 +834,11 @@ int l2cap_add_scid(struct l2cap_chan *chan,  __u16 scid);
 struct l2cap_chan *l2cap_chan_create(struct sock *sk);
 void l2cap_chan_close(struct l2cap_chan *chan, int reason);
 void l2cap_chan_destroy(struct l2cap_chan *chan);
-int l2cap_chan_connect(struct l2cap_chan *chan);
-int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
+inline int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
+								bdaddr_t *dst);
+int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len,
+								u32 priority);
 void l2cap_chan_busy(struct l2cap_chan *chan, int busy);
+int l2cap_chan_check_security(struct l2cap_chan *chan);
 
 #endif /* __L2CAP_H */