1 files changed, 494 insertions, 82 deletions

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index cebe7588469..a40170e022e 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -45,6 +45,8 @@
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
 
+static int enable_le;
+
 /* Handle HCI Event packets */
 
 static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
@@ -56,7 +58,9 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
 	if (status)
 		return;
 
-	clear_bit(HCI_INQUIRY, &hdev->flags);
+	if (test_bit(HCI_MGMT, &hdev->flags) &&
+				test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
+		mgmt_discovering(hdev->id, 0);
 
 	hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
 
@@ -72,7 +76,9 @@ static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
 	if (status)
 		return;
 
-	clear_bit(HCI_INQUIRY, &hdev->flags);
+	if (test_bit(HCI_MGMT, &hdev->flags) &&
+				test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
+		mgmt_discovering(hdev->id, 0);
 
 	hci_conn_check_pending(hdev);
 }
@@ -195,14 +201,17 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
 
 	BT_DBG("%s status 0x%x", hdev->name, status);
 
-	if (status)
-		return;
-
 	sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
 	if (!sent)
 		return;
 
-	memcpy(hdev->dev_name, sent, 248);
+	if (test_bit(HCI_MGMT, &hdev->flags))
+		mgmt_set_local_name_complete(hdev->id, sent, status);
+
+	if (status)
+		return;
+
+	memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
 }
 
 static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
@@ -214,7 +223,7 @@ static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
 	if (rp->status)
 		return;
 
-	memcpy(hdev->dev_name, rp->name, 248);
+	memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
 }
 
 static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
@@ -470,14 +479,16 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
 	 * command otherwise */
 	u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
 
-	/* Events for 1.2 and newer controllers */
-	if (hdev->lmp_ver > 1) {
-		events[4] |= 0x01; /* Flow Specification Complete */
-		events[4] |= 0x02; /* Inquiry Result with RSSI */
-		events[4] |= 0x04; /* Read Remote Extended Features Complete */
-		events[5] |= 0x08; /* Synchronous Connection Complete */
-		events[5] |= 0x10; /* Synchronous Connection Changed */
-	}
+	/* CSR 1.1 dongles does not accept any bitfield so don't try to set
+	 * any event mask for pre 1.2 devices */
+	if (hdev->lmp_ver <= 1)
+		return;
+
+	events[4] |= 0x01; /* Flow Specification Complete */
+	events[4] |= 0x02; /* Inquiry Result with RSSI */
+	events[4] |= 0x04; /* Read Remote Extended Features Complete */
+	events[5] |= 0x08; /* Synchronous Connection Complete */
+	events[5] |= 0x10; /* Synchronous Connection Changed */
 
 	if (hdev->features[3] & LMP_RSSI_INQ)
 		events[4] |= 0x04; /* Inquiry Result with RSSI */
@@ -516,6 +527,20 @@ static void hci_setup_event_mask(struct hci_dev *hdev)
 	hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
 }
 
+static void hci_set_le_support(struct hci_dev *hdev)
+{
+	struct hci_cp_write_le_host_supported cp;
+
+	memset(&cp, 0, sizeof(cp));
+
+	if (enable_le) {
+		cp.le = 1;
+		cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
+	}
+
+	hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), &cp);
+}
+
 static void hci_setup(struct hci_dev *hdev)
 {
 	hci_setup_event_mask(hdev);
@@ -533,6 +558,17 @@ static void hci_setup(struct hci_dev *hdev)
 
 	if (hdev->features[7] & LMP_INQ_TX_PWR)
 		hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
+
+	if (hdev->features[7] & LMP_EXTFEATURES) {
+		struct hci_cp_read_local_ext_features cp;
+
+		cp.page = 0x01;
+		hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES,
+							sizeof(cp), &cp);
+	}
+
+	if (hdev->features[4] & LMP_LE)
+		hci_set_le_support(hdev);
 }
 
 static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
@@ -649,6 +685,21 @@ static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb
 					hdev->features[6], hdev->features[7]);
 }
 
+static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
+							struct sk_buff *skb)
+{
+	struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
+
+	BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+	if (rp->status)
+		return;
+
+	memcpy(hdev->extfeatures, rp->features, 8);
+
+	hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
+}
+
 static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	struct hci_rp_read_buffer_size *rp = (void *) skb->data;
@@ -821,16 +872,97 @@ static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
 								rp->status);
 }
 
+static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
+							struct sk_buff *skb)
+{
+	struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
+
+	BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+	mgmt_read_local_oob_data_reply_complete(hdev->id, rp->hash,
+						rp->randomizer, rp->status);
+}
+
+static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
+					struct sk_buff *skb)
+{
+	struct hci_cp_le_set_scan_enable *cp;
+	__u8 status = *((__u8 *) skb->data);
+
+	BT_DBG("%s status 0x%x", hdev->name, status);
+
+	if (status)
+		return;
+
+	cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
+	if (!cp)
+		return;
+
+	hci_dev_lock(hdev);
+
+	if (cp->enable == 0x01) {
+		del_timer(&hdev->adv_timer);
+		hci_adv_entries_clear(hdev);
+	} else if (cp->enable == 0x00) {
+		mod_timer(&hdev->adv_timer, jiffies + ADV_CLEAR_TIMEOUT);
+	}
+
+	hci_dev_unlock(hdev);
+}
+
+static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	struct hci_rp_le_ltk_reply *rp = (void *) skb->data;
+
+	BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+	if (rp->status)
+		return;
+
+	hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
+}
+
+static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;
+
+	BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+	if (rp->status)
+		return;
+
+	hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
+}
+
+static inline void hci_cc_write_le_host_supported(struct hci_dev *hdev,
+							struct sk_buff *skb)
+{
+	struct hci_cp_read_local_ext_features cp;
+	__u8 status = *((__u8 *) skb->data);
+
+	BT_DBG("%s status 0x%x", hdev->name, status);
+
+	if (status)
+		return;
+
+	cp.page = 0x01;
+	hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), &cp);
+}
+
 static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
 {
 	BT_DBG("%s status 0x%x", hdev->name, status);
 
 	if (status) {
 		hci_req_complete(hdev, HCI_OP_INQUIRY, status);
-
 		hci_conn_check_pending(hdev);
-	} else
-		set_bit(HCI_INQUIRY, &hdev->flags);
+		return;
+	}
+
+	if (test_bit(HCI_MGMT, &hdev->flags) &&
+					!test_and_set_bit(HCI_INQUIRY,
+							&hdev->flags))
+		mgmt_discovering(hdev->id, 1);
 }
 
 static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
@@ -999,12 +1131,19 @@ static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
-	if (conn && hci_outgoing_auth_needed(hdev, conn)) {
+	if (!conn)
+		goto unlock;
+
+	if (!hci_outgoing_auth_needed(hdev, conn))
+		goto unlock;
+
+	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
 		struct hci_cp_auth_requested cp;
 		cp.handle = __cpu_to_le16(conn->handle);
 		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
 	}
 
+unlock:
 	hci_dev_unlock(hdev);
 }
 
@@ -1178,23 +1317,32 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
 	} else {
 		if (!conn) {
 			conn = hci_conn_add(hdev, LE_LINK, &cp->peer_addr);
-			if (conn)
+			if (conn) {
+				conn->dst_type = cp->peer_addr_type;
 				conn->out = 1;
-			else
+			} else {
 				BT_ERR("No memory for new connection");
+			}
 		}
 	}
 
 	hci_dev_unlock(hdev);
 }
 
+static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
+{
+	BT_DBG("%s status 0x%x", hdev->name, status);
+}
+
 static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	__u8 status = *((__u8 *) skb->data);
 
 	BT_DBG("%s status %d", hdev->name, status);
 
-	clear_bit(HCI_INQUIRY, &hdev->flags);
+	if (test_bit(HCI_MGMT, &hdev->flags) &&
+				test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
+		mgmt_discovering(hdev->id, 0);
 
 	hci_req_complete(hdev, HCI_OP_INQUIRY, status);
 
@@ -1214,7 +1362,13 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *
 
 	hci_dev_lock(hdev);
 
-	for (; num_rsp; num_rsp--) {
+	if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) {
+
+		if (test_bit(HCI_MGMT, &hdev->flags))
+			mgmt_discovering(hdev->id, 1);
+	}
+
+	for (; num_rsp; num_rsp--, info++) {
 		bacpy(&data.bdaddr, &info->bdaddr);
 		data.pscan_rep_mode	= info->pscan_rep_mode;
 		data.pscan_period_mode	= info->pscan_period_mode;
@@ -1223,8 +1377,9 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *
 		data.clock_offset	= info->clock_offset;
 		data.rssi		= 0x00;
 		data.ssp_mode		= 0x00;
-		info++;
 		hci_inquiry_cache_update(hdev, &data);
+		mgmt_device_found(hdev->id, &info->bdaddr, info->dev_class, 0,
+									NULL);
 	}
 
 	hci_dev_unlock(hdev);
@@ -1402,7 +1557,7 @@ static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff
 
 	conn->state = BT_CLOSED;
 
-	if (conn->type == ACL_LINK)
+	if (conn->type == ACL_LINK || conn->type == LE_LINK)
 		mgmt_disconnected(hdev->id, &conn->dst);
 
 	hci_proto_disconn_cfm(conn, ev->reason);
@@ -1422,52 +1577,58 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
-	if (conn) {
-		if (!ev->status) {
+	if (!conn)
+		goto unlock;
+
+	if (!ev->status) {
+		if (!(conn->ssp_mode > 0 && hdev->ssp_mode > 0) &&
+				test_bit(HCI_CONN_REAUTH_PEND,	&conn->pend)) {
+			BT_INFO("re-auth of legacy device is not possible.");
+		} else {
 			conn->link_mode |= HCI_LM_AUTH;
 			conn->sec_level = conn->pending_sec_level;
-		} else {
-			mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
-			conn->sec_level = BT_SECURITY_LOW;
 		}
+	} else {
+		mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
+	}
 
-		clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
+	clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
+	clear_bit(HCI_CONN_REAUTH_PEND, &conn->pend);
 
-		if (conn->state == BT_CONFIG) {
-			if (!ev->status && hdev->ssp_mode > 0 &&
-							conn->ssp_mode > 0) {
-				struct hci_cp_set_conn_encrypt cp;
-				cp.handle  = ev->handle;
-				cp.encrypt = 0x01;
-				hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
-							sizeof(cp), &cp);
-			} else {
-				conn->state = BT_CONNECTED;
-				hci_proto_connect_cfm(conn, ev->status);
-				hci_conn_put(conn);
-			}
+	if (conn->state == BT_CONFIG) {
+		if (!ev->status && hdev->ssp_mode > 0 && conn->ssp_mode > 0) {
+			struct hci_cp_set_conn_encrypt cp;
+			cp.handle  = ev->handle;
+			cp.encrypt = 0x01;
+			hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
+									&cp);
 		} else {
-			hci_auth_cfm(conn, ev->status);
-
-			hci_conn_hold(conn);
-			conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+			conn->state = BT_CONNECTED;
+			hci_proto_connect_cfm(conn, ev->status);
 			hci_conn_put(conn);
 		}
+	} else {
+		hci_auth_cfm(conn, ev->status);
 
-		if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
-			if (!ev->status) {
-				struct hci_cp_set_conn_encrypt cp;
-				cp.handle  = ev->handle;
-				cp.encrypt = 0x01;
-				hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT,
-							sizeof(cp), &cp);
-			} else {
-				clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
-				hci_encrypt_cfm(conn, ev->status, 0x00);
-			}
+		hci_conn_hold(conn);
+		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+		hci_conn_put(conn);
+	}
+
+	if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
+		if (!ev->status) {
+			struct hci_cp_set_conn_encrypt cp;
+			cp.handle  = ev->handle;
+			cp.encrypt = 0x01;
+			hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
+									&cp);
+		} else {
+			clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend);
+			hci_encrypt_cfm(conn, ev->status, 0x00);
 		}
 	}
 
+unlock:
 	hci_dev_unlock(hdev);
 }
 
@@ -1482,13 +1643,23 @@ static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb
 
 	hci_dev_lock(hdev);
 
+	if (ev->status == 0 && test_bit(HCI_MGMT, &hdev->flags))
+		mgmt_remote_name(hdev->id, &ev->bdaddr, ev->name);
+
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
-	if (conn && hci_outgoing_auth_needed(hdev, conn)) {
+	if (!conn)
+		goto unlock;
+
+	if (!hci_outgoing_auth_needed(hdev, conn))
+		goto unlock;
+
+	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
 		struct hci_cp_auth_requested cp;
 		cp.handle = __cpu_to_le16(conn->handle);
 		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
 	}
 
+unlock:
 	hci_dev_unlock(hdev);
 }
 
@@ -1508,6 +1679,7 @@ static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *
 				/* Encryption implies authentication */
 				conn->link_mode |= HCI_LM_AUTH;
 				conn->link_mode |= HCI_LM_ENCRYPT;
+				conn->sec_level = conn->pending_sec_level;
 			} else
 				conn->link_mode &= ~HCI_LM_ENCRYPT;
 		}
@@ -1711,6 +1883,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
 		hci_cc_read_local_features(hdev, skb);
 		break;
 
+	case HCI_OP_READ_LOCAL_EXT_FEATURES:
+		hci_cc_read_local_ext_features(hdev, skb);
+		break;
+
 	case HCI_OP_READ_BUFFER_SIZE:
 		hci_cc_read_buffer_size(hdev, skb);
 		break;
@@ -1751,6 +1927,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
 		hci_cc_pin_code_neg_reply(hdev, skb);
 		break;
 
+	case HCI_OP_READ_LOCAL_OOB_DATA:
+		hci_cc_read_local_oob_data_reply(hdev, skb);
+		break;
+
 	case HCI_OP_LE_READ_BUFFER_SIZE:
 		hci_cc_le_read_buffer_size(hdev, skb);
 		break;
@@ -1763,6 +1943,22 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
 		hci_cc_user_confirm_neg_reply(hdev, skb);
 		break;
 
+	case HCI_OP_LE_SET_SCAN_ENABLE:
+		hci_cc_le_set_scan_enable(hdev, skb);
+		break;
+
+	case HCI_OP_LE_LTK_REPLY:
+		hci_cc_le_ltk_reply(hdev, skb);
+		break;
+
+	case HCI_OP_LE_LTK_NEG_REPLY:
+		hci_cc_le_ltk_neg_reply(hdev, skb);
+		break;
+
+	case HCI_OP_WRITE_LE_HOST_SUPPORTED:
+		hci_cc_write_le_host_supported(hdev, skb);
+		break;
+
 	default:
 		BT_DBG("%s opcode 0x%x", hdev->name, opcode);
 		break;
@@ -1841,6 +2037,10 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_cs_le_create_conn(hdev, ev->status);
 		break;
 
+	case HCI_OP_LE_START_ENC:
+		hci_cs_le_start_enc(hdev, ev->status);
+		break;
+
 	default:
 		BT_DBG("%s opcode 0x%x", hdev->name, opcode);
 		break;
@@ -1984,9 +2184,16 @@ static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff
 	if (!test_bit(HCI_PAIRABLE, &hdev->flags))
 		hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
 					sizeof(ev->bdaddr), &ev->bdaddr);
+	else if (test_bit(HCI_MGMT, &hdev->flags)) {
+		u8 secure;
 
-	if (test_bit(HCI_MGMT, &hdev->flags))
-		mgmt_pin_code_request(hdev->id, &ev->bdaddr);
+		if (conn->pending_sec_level == BT_SECURITY_HIGH)
+			secure = 1;
+		else
+			secure = 0;
+
+		mgmt_pin_code_request(hdev->id, &ev->bdaddr, secure);
+	}
 
 	hci_dev_unlock(hdev);
 }
@@ -2015,17 +2222,30 @@ static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff
 	BT_DBG("%s found key type %u for %s", hdev->name, key->type,
 							batostr(&ev->bdaddr));
 
-	if (!test_bit(HCI_DEBUG_KEYS, &hdev->flags) && key->type == 0x03) {
+	if (!test_bit(HCI_DEBUG_KEYS, &hdev->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 &&
+				conn->auth_type != 0xff &&
+				(conn->auth_type & 0x01)) {
+			BT_DBG("%s ignoring unauthenticated key", hdev->name);
+			goto not_found;
+		}
 
-	if (key->type == 0x04 && conn && conn->auth_type != 0xff &&
-						(conn->auth_type & 0x01)) {
-		BT_DBG("%s ignoring unauthenticated key", hdev->name);
-		goto not_found;
+		if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
+				conn->pending_sec_level == BT_SECURITY_HIGH) {
+			BT_DBG("%s ignoring key unauthenticated for high \
+							security", hdev->name);
+			goto not_found;
+		}
+
+		conn->key_type = key->type;
+		conn->pin_length = key->pin_len;
 	}
 
 	bacpy(&cp.bdaddr, &ev->bdaddr);
@@ -2057,11 +2277,15 @@ static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff
 		hci_conn_hold(conn);
 		conn->disc_timeout = HCI_DISCONN_TIMEOUT;
 		pin_len = conn->pin_length;
+
+		if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
+			conn->key_type = ev->key_type;
+
 		hci_conn_put(conn);
 	}
 
 	if (test_bit(HCI_LINK_KEYS, &hdev->flags))
-		hci_add_link_key(hdev, 1, &ev->bdaddr, ev->link_key,
+		hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
 							ev->key_type, pin_len);
 
 	hci_dev_unlock(hdev);
@@ -2136,11 +2360,17 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
 
 	hci_dev_lock(hdev);
 
+	if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) {
+
+		if (test_bit(HCI_MGMT, &hdev->flags))
+			mgmt_discovering(hdev->id, 1);
+	}
+
 	if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
 		struct inquiry_info_with_rssi_and_pscan_mode *info;
 		info = (void *) (skb->data + 1);
 
-		for (; num_rsp; num_rsp--) {
+		for (; num_rsp; num_rsp--, info++) {
 			bacpy(&data.bdaddr, &info->bdaddr);
 			data.pscan_rep_mode	= info->pscan_rep_mode;
 			data.pscan_period_mode	= info->pscan_period_mode;
@@ -2149,13 +2379,15 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
 			data.clock_offset	= info->clock_offset;
 			data.rssi		= info->rssi;
 			data.ssp_mode		= 0x00;
-			info++;
 			hci_inquiry_cache_update(hdev, &data);
+			mgmt_device_found(hdev->id, &info->bdaddr,
+						info->dev_class, info->rssi,
+						NULL);
 		}
 	} else {
 		struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
 
-		for (; num_rsp; num_rsp--) {
+		for (; num_rsp; num_rsp--, info++) {
 			bacpy(&data.bdaddr, &info->bdaddr);
 			data.pscan_rep_mode	= info->pscan_rep_mode;
 			data.pscan_period_mode	= info->pscan_period_mode;
@@ -2164,8 +2396,10 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
 			data.clock_offset	= info->clock_offset;
 			data.rssi		= info->rssi;
 			data.ssp_mode		= 0x00;
-			info++;
 			hci_inquiry_cache_update(hdev, &data);
+			mgmt_device_found(hdev->id, &info->bdaddr,
+						info->dev_class, info->rssi,
+						NULL);
 		}
 	}
 
@@ -2294,9 +2528,15 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
 	if (!num_rsp)
 		return;
 
+	if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) {
+
+		if (test_bit(HCI_MGMT, &hdev->flags))
+			mgmt_discovering(hdev->id, 1);
+	}
+
 	hci_dev_lock(hdev);
 
-	for (; num_rsp; num_rsp--) {
+	for (; num_rsp; num_rsp--, info++) {
 		bacpy(&data.bdaddr, &info->bdaddr);
 		data.pscan_rep_mode	= info->pscan_rep_mode;
 		data.pscan_period_mode	= info->pscan_period_mode;
@@ -2305,8 +2545,9 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
 		data.clock_offset	= info->clock_offset;
 		data.rssi		= info->rssi;
 		data.ssp_mode		= 0x01;
-		info++;
 		hci_inquiry_cache_update(hdev, &data);
+		mgmt_device_found(hdev->id, &info->bdaddr, info->dev_class,
+						info->rssi, info->data);
 	}
 
 	hci_dev_unlock(hdev);
@@ -2326,7 +2567,7 @@ static inline u8 hci_get_auth_req(struct hci_conn *conn)
 
 	/* If remote requests no-bonding follow that lead */
 	if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
-		return 0x00;
+		return conn->remote_auth | (conn->auth_type & 0x01);
 
 	return conn->auth_type;
 }
@@ -2355,8 +2596,14 @@ static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff
 
 		bacpy(&cp.bdaddr, &ev->bdaddr);
 		cp.capability = conn->io_capability;
-		cp.oob_data = 0;
-		cp.authentication = hci_get_auth_req(conn);
+		conn->auth_type = hci_get_auth_req(conn);
+		cp.authentication = conn->auth_type;
+
+		if ((conn->out == 0x01 || conn->remote_oob == 0x01) &&
+				hci_find_remote_oob_data(hdev, &conn->dst))
+			cp.oob_data = 0x01;
+		else
+			cp.oob_data = 0x00;
 
 		hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
 							sizeof(cp), &cp);
@@ -2364,7 +2611,7 @@ static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff
 		struct hci_cp_io_capability_neg_reply cp;
 
 		bacpy(&cp.bdaddr, &ev->bdaddr);
-		cp.reason = 0x16; /* Pairing not allowed */
+		cp.reason = 0x18; /* Pairing not allowed */
 
 		hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
 							sizeof(cp), &cp);
@@ -2387,8 +2634,6 @@ static inline void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *s
 	if (!conn)
 		goto unlock;
 
-	hci_conn_hold(conn);
-
 	conn->remote_cap = ev->capability;
 	conn->remote_oob = ev->oob_data;
 	conn->remote_auth = ev->authentication;
@@ -2401,14 +2646,67 @@ static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
 							struct sk_buff *skb)
 {
 	struct hci_ev_user_confirm_req *ev = (void *) skb->data;
+	int loc_mitm, rem_mitm, confirm_hint = 0;
+	struct hci_conn *conn;
 
 	BT_DBG("%s", hdev->name);
 
 	hci_dev_lock(hdev);
 
-	if (test_bit(HCI_MGMT, &hdev->flags))
-		mgmt_user_confirm_request(hdev->id, &ev->bdaddr, ev->passkey);
+	if (!test_bit(HCI_MGMT, &hdev->flags))
+		goto unlock;
+
+	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+	if (!conn)
+		goto unlock;
+
+	loc_mitm = (conn->auth_type & 0x01);
+	rem_mitm = (conn->remote_auth & 0x01);
+
+	/* If we require MITM but the remote device can't provide that
+	 * (it has NoInputNoOutput) then reject the confirmation
+	 * request. The only exception is when we're dedicated bonding
+	 * initiators (connect_cfm_cb set) since then we always have the MITM
+	 * bit set. */
+	if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
+		BT_DBG("Rejecting request: remote device can't provide MITM");
+		hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
+					sizeof(ev->bdaddr), &ev->bdaddr);
+		goto unlock;
+	}
+
+	/* If no side requires MITM protection; auto-accept */
+	if ((!loc_mitm || conn->remote_cap == 0x03) &&
+				(!rem_mitm || conn->io_capability == 0x03)) {
+
+		/* If we're not the initiators request authorization to
+		 * proceed from user space (mgmt_user_confirm with
+		 * confirm_hint set to 1). */
+		if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
+			BT_DBG("Confirming auto-accept as acceptor");
+			confirm_hint = 1;
+			goto confirm;
+		}
+
+		BT_DBG("Auto-accept of user confirmation with %ums delay",
+						hdev->auto_accept_delay);
+
+		if (hdev->auto_accept_delay > 0) {
+			int delay = msecs_to_jiffies(hdev->auto_accept_delay);
+			mod_timer(&conn->auto_accept_timer, jiffies + delay);
+			goto unlock;
+		}
+
+		hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
+						sizeof(ev->bdaddr), &ev->bdaddr);
+		goto unlock;
+	}
+
+confirm:
+	mgmt_user_confirm_request(hdev->id, &ev->bdaddr, ev->passkey,
+								confirm_hint);
 
+unlock:
 	hci_dev_unlock(hdev);
 }
 
@@ -2455,6 +2753,41 @@ static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_
 	hci_dev_unlock(hdev);
 }
 
+static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
+							struct sk_buff *skb)
+{
+	struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
+	struct oob_data *data;
+
+	BT_DBG("%s", hdev->name);
+
+	hci_dev_lock(hdev);
+
+	if (!test_bit(HCI_MGMT, &hdev->flags))
+		goto unlock;
+
+	data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
+	if (data) {
+		struct hci_cp_remote_oob_data_reply cp;
+
+		bacpy(&cp.bdaddr, &ev->bdaddr);
+		memcpy(cp.hash, data->hash, sizeof(cp.hash));
+		memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
+
+		hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
+									&cp);
+	} else {
+		struct hci_cp_remote_oob_data_neg_reply cp;
+
+		bacpy(&cp.bdaddr, &ev->bdaddr);
+		hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
+									&cp);
+	}
+
+unlock:
+	hci_dev_unlock(hdev);
+}
+
 static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	struct hci_ev_le_conn_complete *ev = (void *) skb->data;
@@ -2472,15 +2805,21 @@ static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff
 			hci_dev_unlock(hdev);
 			return;
 		}
+
+		conn->dst_type = ev->bdaddr_type;
 	}
 
 	if (ev->status) {
+		mgmt_connect_failed(hdev->id, &ev->bdaddr, ev->status);
 		hci_proto_connect_cfm(conn, ev->status);
 		conn->state = BT_CLOSED;
 		hci_conn_del(conn);
 		goto unlock;
 	}
 
+	mgmt_connected(hdev->id, &ev->bdaddr);
+
+	conn->sec_level = BT_SECURITY_LOW;
 	conn->handle = __le16_to_cpu(ev->handle);
 	conn->state = BT_CONNECTED;
 
@@ -2493,6 +2832,64 @@ unlock:
 	hci_dev_unlock(hdev);
 }
 
+static inline void hci_le_adv_report_evt(struct hci_dev *hdev,
+						struct sk_buff *skb)
+{
+	struct hci_ev_le_advertising_info *ev;
+	u8 num_reports;
+
+	num_reports = skb->data[0];
+	ev = (void *) &skb->data[1];
+
+	hci_dev_lock(hdev);
+
+	hci_add_adv_entry(hdev, ev);
+
+	while (--num_reports) {
+		ev = (void *) (ev->data + ev->length + 1);
+		hci_add_adv_entry(hdev, ev);
+	}
+
+	hci_dev_unlock(hdev);
+}
+
+static inline void hci_le_ltk_request_evt(struct hci_dev *hdev,
+						struct sk_buff *skb)
+{
+	struct hci_ev_le_ltk_req *ev = (void *) skb->data;
+	struct hci_cp_le_ltk_reply cp;
+	struct hci_cp_le_ltk_neg_reply neg;
+	struct hci_conn *conn;
+	struct link_key *ltk;
+
+	BT_DBG("%s handle %d", hdev->name, cpu_to_le16(ev->handle));
+
+	hci_dev_lock(hdev);
+
+	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+	if (conn == NULL)
+		goto not_found;
+
+	ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
+	if (ltk == NULL)
+		goto not_found;
+
+	memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
+	cp.handle = cpu_to_le16(conn->handle);
+	conn->pin_length = ltk->pin_len;
+
+	hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
+
+	hci_dev_unlock(hdev);
+
+	return;
+
+not_found:
+	neg.handle = ev->handle;
+	hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
+	hci_dev_unlock(hdev);
+}
+
 static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
 	struct hci_ev_le_meta *le_ev = (void *) skb->data;
@@ -2504,6 +2901,14 @@ static inline 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_ADVERTISING_REPORT:
+		hci_le_adv_report_evt(hdev, skb);
+		break;
+
+	case HCI_EV_LE_LTK_REQ:
+		hci_le_ltk_request_evt(hdev, skb);
+		break;
+
 	default:
 		break;
 	}
@@ -2657,6 +3062,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_le_meta_evt(hdev, skb);
 		break;
 
+	case HCI_EV_REMOTE_OOB_DATA_REQUEST:
+		hci_remote_oob_data_request_evt(hdev, skb);
+		break;
+
 	default:
 		BT_DBG("%s event 0x%x", hdev->name, event);
 		break;
@@ -2693,3 +3102,6 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
 	hci_send_to_sock(hdev, skb, NULL);
 	kfree_skb(skb);
 }
+
+module_param(enable_le, bool, 0444);
+MODULE_PARM_DESC(enable_le, "Enable LE support");