Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth

Johan Hedberg says:

====================
pull request: bluetooth 2018-04-08

Here's one important Bluetooth fix for the 4.17-rc series that's needed
to pass several Bluetooth qualification test cases.

Let me know if there are any issues pulling. Thanks.
====================

Signed-off-by: David S. Miller <[email protected]>

Author: davem330

include/net/bluetooth/hci_core.h

@@ -895,7 +895,7 @@ struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
 				     u16 conn_timeout);
 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 				u8 dst_type, u8 sec_level, u16 conn_timeout,
-				u8 role);
+				u8 role, bdaddr_t *direct_rpa);
 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
 				 u8 sec_level, u8 auth_type);
 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,

net/bluetooth/hci_conn.c

@@ -749,18 +749,31 @@ static bool conn_use_rpa(struct hci_conn *conn)
 }
 
 static void hci_req_add_le_create_conn(struct hci_request *req,
-				       struct hci_conn *conn)
+				       struct hci_conn *conn,
+				       bdaddr_t *direct_rpa)
 {
 	struct hci_cp_le_create_conn cp;
 	struct hci_dev *hdev = conn->hdev;
 	u8 own_addr_type;
 
-	/* Update random address, but set require_privacy to false so
-	 * that we never connect with an non-resolvable address.
+	/* If direct address was provided we use it instead of current
+	 * address.
 	 */
-	if (hci_update_random_address(req, false, conn_use_rpa(conn),
-				      &own_addr_type))
-		return;
+	if (direct_rpa) {
+		if (bacmp(&req->hdev->random_addr, direct_rpa))
+			hci_req_add(req, HCI_OP_LE_SET_RANDOM_ADDR, 6,
+								direct_rpa);
+
+		/* direct address is always RPA */
+		own_addr_type = ADDR_LE_DEV_RANDOM;
+	} else {
+		/* Update random address, but set require_privacy to false so
+		 * that we never connect with an non-resolvable address.
+		 */
+		if (hci_update_random_address(req, false, conn_use_rpa(conn),
+					      &own_addr_type))
+			return;
+	}
 
 	memset(&cp, 0, sizeof(cp));
 
@@ -825,7 +838,7 @@ static void hci_req_directed_advertising(struct hci_request *req,
 
 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 				u8 dst_type, u8 sec_level, u16 conn_timeout,
-				u8 role)
+				u8 role, bdaddr_t *direct_rpa)
 {
 	struct hci_conn_params *params;
 	struct hci_conn *conn;
@@ -940,7 +953,7 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
 		hci_dev_set_flag(hdev, HCI_LE_SCAN_INTERRUPTED);
 	}
 
-	hci_req_add_le_create_conn(&req, conn);
+	hci_req_add_le_create_conn(&req, conn, direct_rpa);
 
 create_conn:
 	err = hci_req_run(&req, create_le_conn_complete);

net/bluetooth/hci_event.c

@@ -4648,7 +4648,8 @@ static void hci_le_conn_update_complete_evt(struct hci_dev *hdev,
 /* This function requires the caller holds hdev->lock */
 static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
 					      bdaddr_t *addr,
-					      u8 addr_type, u8 adv_type)
+					      u8 addr_type, u8 adv_type,
+					      bdaddr_t *direct_rpa)
 {
 	struct hci_conn *conn;
 	struct hci_conn_params *params;
@@ -4699,7 +4700,8 @@ static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
 	}
 
 	conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
-			      HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER);
+			      HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER,
+			      direct_rpa);
 	if (!IS_ERR(conn)) {
 		/* If HCI_AUTO_CONN_EXPLICIT is set, conn is already owned
 		 * by higher layer that tried to connect, if no then
@@ -4808,8 +4810,13 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
 		bdaddr_type = irk->addr_type;
 	}
 
-	/* Check if we have been requested to connect to this device */
-	conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type);
+	/* Check if we have been requested to connect to this device.
+	 *
+	 * direct_addr is set only for directed advertising reports (it is NULL
+	 * for advertising reports) and is already verified to be RPA above.
+	 */
+	conn = check_pending_le_conn(hdev, bdaddr, bdaddr_type, type,
+								direct_addr);
 	if (conn && type == LE_ADV_IND) {
 		/* Store report for later inclusion by
 		 * mgmt_device_connected

net/bluetooth/l2cap_core.c

@@ -7156,7 +7156,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
 			hcon = hci_connect_le(hdev, dst, dst_type,
 					      chan->sec_level,
 					      HCI_LE_CONN_TIMEOUT,
-					      HCI_ROLE_SLAVE);
+					      HCI_ROLE_SLAVE, NULL);
 		else
 			hcon = hci_connect_le_scan(hdev, dst, dst_type,
 						   chan->sec_level,