1 files changed, 171 insertions, 35 deletions

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 77930aa522e3..ac2c5e89617c 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -841,6 +841,57 @@ static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
 						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_cs_inquiry(struct hci_dev *hdev, __u8 status)
 {
 	BT_DBG("%s status 0x%x", hdev->name, status);
@@ -1209,16 +1260,23 @@ 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);
@@ -1462,51 +1520,58 @@ 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);
 		}
+	} 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);
 }
 
@@ -1557,6 +1622,7 @@ 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;
 		}
@@ -1816,6 +1882,18 @@ 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;
+
 	default:
 		BT_DBG("%s opcode 0x%x", hdev->name, opcode);
 		break;
@@ -1894,6 +1972,10 @@ 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;
@@ -2658,6 +2740,8 @@ 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) {
@@ -2670,6 +2754,7 @@ static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff
 
 	mgmt_connected(hdev->id, &ev->bdaddr);
 
+	conn->sec_level = BT_SECURITY_LOW;
 	conn->handle = __le16_to_cpu(ev->handle);
 	conn->state = BT_CONNECTED;
 
@@ -2682,6 +2767,49 @@ 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_conn *conn;
+
+	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));
+
+	memset(&cp, 0, sizeof(cp));
+	cp.handle = cpu_to_le16(conn->handle);
+	memcpy(cp.ltk, conn->ltk, sizeof(conn->ltk));
+
+	hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
+
+	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;
@@ -2693,6 +2821,14 @@ 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;
 	}