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

5 files changed, 121 insertions, 123 deletions

diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 980e59f37d4f..abaad6ed9b83 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -250,32 +250,10 @@ extern void bt_sysfs_cleanup(void);
 
 extern struct dentry *bt_debugfs;
 
-#ifdef CONFIG_BT_L2CAP
 int l2cap_init(void);
 void l2cap_exit(void);
-#else
-static inline int l2cap_init(void)
-{
-	return 0;
-}
-
-static inline void l2cap_exit(void)
-{
-}
-#endif
 
-#ifdef CONFIG_BT_SCO
 int sco_init(void);
 void sco_exit(void);
-#else
-static inline int sco_init(void)
-{
-	return 0;
-}
-
-static inline void sco_exit(void)
-{
-}
-#endif
 
 #endif /* __BLUETOOTH_H */
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 2e48d326e365..5b2fed5eebf2 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -280,6 +280,10 @@ enum {
 #define HCI_ERROR_LOCAL_HOST_TERM	0x16
 #define HCI_ERROR_PAIRING_NOT_ALLOWED	0x18
 
+/* Flow control modes */
+#define HCI_FLOW_CTL_MODE_PACKET_BASED	0x00
+#define HCI_FLOW_CTL_MODE_BLOCK_BASED	0x01
+
 /* -----  HCI Commands ---- */
 #define HCI_OP_NOP			0x0000
 
@@ -800,6 +804,9 @@ struct hci_cp_le_set_scan_param {
 	__u8    filter_policy;
 } __packed;
 
+#define LE_SCANNING_DISABLED		0x00
+#define LE_SCANNING_ENABLED		0x01
+
 #define HCI_OP_LE_SET_SCAN_ENABLE	0x200c
 struct hci_cp_le_set_scan_enable {
 	__u8     enable;
@@ -975,9 +982,14 @@ struct hci_ev_role_change {
 } __packed;
 
 #define HCI_EV_NUM_COMP_PKTS		0x13
+struct hci_comp_pkts_info {
+	__le16   handle;
+	__le16   count;
+} __packed;
+
 struct hci_ev_num_comp_pkts {
 	__u8     num_hndl;
-	/* variable length part */
+	struct hci_comp_pkts_info handles[0];
 } __packed;
 
 #define HCI_EV_MODE_CHANGE		0x14
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 25c161ab6803..5e2e98458496 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -28,10 +28,6 @@
 #include <linux/interrupt.h>
 #include <net/bluetooth/hci.h>
 
-/* HCI upper protocols */
-#define HCI_PROTO_L2CAP	0
-#define HCI_PROTO_SCO	1
-
 /* HCI priority */
 #define HCI_PRIO_MAX	7
 
@@ -54,7 +50,6 @@ struct inquiry_entry {
 };
 
 struct inquiry_cache {
-	spinlock_t		lock;
 	__u32			timestamp;
 	struct inquiry_entry	*list;
 };
@@ -314,6 +309,7 @@ struct hci_conn {
 	struct hci_dev	*hdev;
 	void		*l2cap_data;
 	void		*sco_data;
+	void		*smp_conn;
 
 	struct hci_conn	*link;
 
@@ -330,25 +326,31 @@ struct hci_chan {
 	unsigned int	sent;
 };
 
-extern struct hci_proto *hci_proto[];
 extern struct list_head hci_dev_list;
 extern struct list_head hci_cb_list;
 extern rwlock_t hci_dev_list_lock;
 extern rwlock_t hci_cb_list_lock;
 
+/* ----- HCI interface to upper protocols ----- */
+extern int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
+extern int l2cap_connect_cfm(struct hci_conn *hcon, u8 status);
+extern int l2cap_disconn_ind(struct hci_conn *hcon);
+extern int l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
+extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt);
+extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
+
+extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
+extern int sco_connect_cfm(struct hci_conn *hcon, __u8 status);
+extern int sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
+extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
+
 /* ----- Inquiry cache ----- */
 #define INQUIRY_CACHE_AGE_MAX   (HZ*30)   /* 30 seconds */
 #define INQUIRY_ENTRY_AGE_MAX   (HZ*60)   /* 60 seconds */
 
-#define inquiry_cache_lock(c)		spin_lock(&c->lock)
-#define inquiry_cache_unlock(c)		spin_unlock(&c->lock)
-#define inquiry_cache_lock_bh(c)	spin_lock_bh(&c->lock)
-#define inquiry_cache_unlock_bh(c)	spin_unlock_bh(&c->lock)
-
 static inline void inquiry_cache_init(struct hci_dev *hdev)
 {
 	struct inquiry_cache *c = &hdev->inq_cache;
-	spin_lock_init(&c->lock);
 	c->list = NULL;
 }
 
@@ -677,53 +679,40 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
 #define lmp_host_le_capable(dev)   ((dev)->extfeatures[0] & LMP_HOST_LE)
 
 /* ----- HCI protocols ----- */
-struct hci_proto {
-	char		*name;
-	unsigned int	id;
-	unsigned long	flags;
-
-	void		*priv;
-
-	int (*connect_ind)	(struct hci_dev *hdev, bdaddr_t *bdaddr,
-								__u8 type);
-	int (*connect_cfm)	(struct hci_conn *conn, __u8 status);
-	int (*disconn_ind)	(struct hci_conn *conn);
-	int (*disconn_cfm)	(struct hci_conn *conn, __u8 reason);
-	int (*recv_acldata)	(struct hci_conn *conn, struct sk_buff *skb,
-								__u16 flags);
-	int (*recv_scodata)	(struct hci_conn *conn, struct sk_buff *skb);
-	int (*security_cfm)	(struct hci_conn *conn, __u8 status,
-								__u8 encrypt);
-};
-
 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
 								__u8 type)
 {
-	register struct hci_proto *hp;
-	int mask = 0;
-
-	hp = hci_proto[HCI_PROTO_L2CAP];
-	if (hp && hp->connect_ind)
-		mask |= hp->connect_ind(hdev, bdaddr, type);
+	switch (type) {
+	case ACL_LINK:
+		return l2cap_connect_ind(hdev, bdaddr);
 
-	hp = hci_proto[HCI_PROTO_SCO];
-	if (hp && hp->connect_ind)
-		mask |= hp->connect_ind(hdev, bdaddr, type);
+	case SCO_LINK:
+	case ESCO_LINK:
+		return sco_connect_ind(hdev, bdaddr);
 
-	return mask;
+	default:
+		BT_ERR("unknown link type %d", type);
+		return -EINVAL;
+	}
 }
 
 static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
 {
-	register struct hci_proto *hp;
+	switch (conn->type) {
+	case ACL_LINK:
+	case LE_LINK:
+		l2cap_connect_cfm(conn, status);
+		break;
 
-	hp = hci_proto[HCI_PROTO_L2CAP];
-	if (hp && hp->connect_cfm)
-		hp->connect_cfm(conn, status);
+	case SCO_LINK:
+	case ESCO_LINK:
+		sco_connect_cfm(conn, status);
+		break;
 
-	hp = hci_proto[HCI_PROTO_SCO];
-	if (hp && hp->connect_cfm)
-		hp->connect_cfm(conn, status);
+	default:
+		BT_ERR("unknown link type %d", conn->type);
+		break;
+	}
 
 	if (conn->connect_cfm_cb)
 		conn->connect_cfm_cb(conn, status);
@@ -731,31 +720,29 @@ static inline void hci_proto_connect_cfm(struct hci_conn *conn, __u8 status)
 
 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
 {
-	register struct hci_proto *hp;
-	int reason = HCI_ERROR_REMOTE_USER_TERM;
+	if (conn->type != ACL_LINK && conn->type != LE_LINK)
+		return HCI_ERROR_REMOTE_USER_TERM;
 
-	hp = hci_proto[HCI_PROTO_L2CAP];
-	if (hp && hp->disconn_ind)
-		reason = hp->disconn_ind(conn);
-
-	hp = hci_proto[HCI_PROTO_SCO];
-	if (hp && hp->disconn_ind)
-		reason = hp->disconn_ind(conn);
-
-	return reason;
+	return l2cap_disconn_ind(conn);
 }
 
 static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
 {
-	register struct hci_proto *hp;
+	switch (conn->type) {
+	case ACL_LINK:
+	case LE_LINK:
+		l2cap_disconn_cfm(conn, reason);
+		break;
 
-	hp = hci_proto[HCI_PROTO_L2CAP];
-	if (hp && hp->disconn_cfm)
-		hp->disconn_cfm(conn, reason);
+	case SCO_LINK:
+	case ESCO_LINK:
+		sco_disconn_cfm(conn, reason);
+		break;
 
-	hp = hci_proto[HCI_PROTO_SCO];
-	if (hp && hp->disconn_cfm)
-		hp->disconn_cfm(conn, reason);
+	default:
+		BT_ERR("unknown link type %d", conn->type);
+		break;
+	}
 
 	if (conn->disconn_cfm_cb)
 		conn->disconn_cfm_cb(conn, reason);
@@ -763,21 +750,16 @@ static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
 
 static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
 {
-	register struct hci_proto *hp;
 	__u8 encrypt;
 
+	if (conn->type != ACL_LINK && conn->type != LE_LINK)
+		return;
+
 	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
 		return;
 
 	encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
-
-	hp = hci_proto[HCI_PROTO_L2CAP];
-	if (hp && hp->security_cfm)
-		hp->security_cfm(conn, status, encrypt);
-
-	hp = hci_proto[HCI_PROTO_SCO];
-	if (hp && hp->security_cfm)
-		hp->security_cfm(conn, status, encrypt);
+	l2cap_security_cfm(conn, status, encrypt);
 
 	if (conn->security_cfm_cb)
 		conn->security_cfm_cb(conn, status);
@@ -786,23 +768,15 @@ static inline void hci_proto_auth_cfm(struct hci_conn *conn, __u8 status)
 static inline void hci_proto_encrypt_cfm(struct hci_conn *conn, __u8 status,
 								__u8 encrypt)
 {
-	register struct hci_proto *hp;
-
-	hp = hci_proto[HCI_PROTO_L2CAP];
-	if (hp && hp->security_cfm)
-		hp->security_cfm(conn, status, encrypt);
+	if (conn->type != ACL_LINK && conn->type != LE_LINK)
+		return;
 
-	hp = hci_proto[HCI_PROTO_SCO];
-	if (hp && hp->security_cfm)
-		hp->security_cfm(conn, status, encrypt);
+	l2cap_security_cfm(conn, status, encrypt);
 
 	if (conn->security_cfm_cb)
 		conn->security_cfm_cb(conn, status);
 }
 
-int hci_register_proto(struct hci_proto *hproto);
-int hci_unregister_proto(struct hci_proto *hproto);
-
 /* ----- HCI callbacks ----- */
 struct hci_cb {
 	struct list_head list;
@@ -827,13 +801,13 @@ static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
 
 	encrypt = (conn->link_mode & HCI_LM_ENCRYPT) ? 0x01 : 0x00;
 
-	read_lock_bh(&hci_cb_list_lock);
+	read_lock(&hci_cb_list_lock);
 	list_for_each(p, &hci_cb_list) {
 		struct hci_cb *cb = list_entry(p, struct hci_cb, list);
 		if (cb->security_cfm)
 			cb->security_cfm(conn, status, encrypt);
 	}
-	read_unlock_bh(&hci_cb_list_lock);
+	read_unlock(&hci_cb_list_lock);
 }
 
 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
@@ -849,26 +823,26 @@ static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
 
 	hci_proto_encrypt_cfm(conn, status, encrypt);
 
-	read_lock_bh(&hci_cb_list_lock);
+	read_lock(&hci_cb_list_lock);
 	list_for_each(p, &hci_cb_list) {
 		struct hci_cb *cb = list_entry(p, struct hci_cb, list);
 		if (cb->security_cfm)
 			cb->security_cfm(conn, status, encrypt);
 	}
-	read_unlock_bh(&hci_cb_list_lock);
+	read_unlock(&hci_cb_list_lock);
 }
 
 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
 {
 	struct list_head *p;
 
-	read_lock_bh(&hci_cb_list_lock);
+	read_lock(&hci_cb_list_lock);
 	list_for_each(p, &hci_cb_list) {
 		struct hci_cb *cb = list_entry(p, struct hci_cb, list);
 		if (cb->key_change_cfm)
 			cb->key_change_cfm(conn, status);
 	}
-	read_unlock_bh(&hci_cb_list_lock);
+	read_unlock(&hci_cb_list_lock);
 }
 
 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
@@ -876,13 +850,13 @@ static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
 {
 	struct list_head *p;
 
-	read_lock_bh(&hci_cb_list_lock);
+	read_lock(&hci_cb_list_lock);
 	list_for_each(p, &hci_cb_list) {
 		struct hci_cb *cb = list_entry(p, struct hci_cb, list);
 		if (cb->role_switch_cfm)
 			cb->role_switch_cfm(conn, status, role);
 	}
-	read_unlock_bh(&hci_cb_list_lock);
+	read_unlock(&hci_cb_list_lock);
 }
 
 int hci_register_cb(struct hci_cb *hcb);
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index c0d168adf9be..9572cbd12a7a 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -522,7 +522,7 @@ struct l2cap_conn {
 	__u8		info_state;
 	__u8		info_ident;
 
-	struct delayed_work info_work;
+	struct delayed_work info_timer;
 
 	spinlock_t	lock;
 
@@ -532,7 +532,7 @@ 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;
@@ -595,17 +595,45 @@ enum {
 	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->chan_timer)
+#define __clear_chan_timer(c) l2cap_clear_timer(c, &c->chan_timer)
 #define __set_retrans_timer(c) l2cap_set_timer(c, &c->retrans_timer, \
 		L2CAP_DEFAULT_RETRANS_TO);
-#define __clear_retrans_timer(c) l2cap_clear_timer(&c->retrans_timer)
+#define __clear_retrans_timer(c) l2cap_clear_timer(c, &c->retrans_timer)
 #define __set_monitor_timer(c) l2cap_set_timer(c, &c->monitor_timer, \
 		L2CAP_DEFAULT_MONITOR_TO);
-#define __clear_monitor_timer(c) l2cap_clear_timer(&c->monitor_timer)
+#define __clear_monitor_timer(c) l2cap_clear_timer(c, &c->monitor_timer)
 #define __set_ack_timer(c) l2cap_set_timer(c, &chan->ack_timer, \
 		L2CAP_DEFAULT_ACK_TO);
-#define __clear_ack_timer(c) l2cap_clear_timer(&c->ack_timer)
+#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)
 {
diff --git a/include/net/bluetooth/smp.h b/include/net/bluetooth/smp.h
index 15b97d549441..aeaf5fa2b9f1 100644
--- a/include/net/bluetooth/smp.h
+++ b/include/net/bluetooth/smp.h
@@ -115,6 +115,10 @@ struct smp_cmd_security_req {
 #define SMP_MIN_ENC_KEY_SIZE		7
 #define SMP_MAX_ENC_KEY_SIZE		16
 
+#define SMP_FLAG_TK_VALID	1
+#define SMP_FLAG_CFM_PENDING	2
+#define SMP_FLAG_MITM_AUTH	3
+
 struct smp_chan {
 	struct l2cap_conn *conn;
 	u8		preq[7]; /* SMP Pairing Request */
@@ -124,6 +128,7 @@ struct smp_chan {
 	u8		pcnf[16]; /* SMP Pairing Confirm */
 	u8		tk[16]; /* SMP Temporary Key */
 	u8		smp_key_size;
+	unsigned long	smp_flags;
 	struct crypto_blkcipher	*tfm;
 	struct work_struct confirm;
 	struct work_struct random;
@@ -134,6 +139,7 @@ struct smp_chan {
 int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level);
 int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb);
 int smp_distribute_keys(struct l2cap_conn *conn, __u8 force);
+int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey);
 
 void smp_chan_destroy(struct l2cap_conn *conn);