diff mbox series

[7/7] Bluetooth LL Privacy update White list

Message ID 20200312100754.3445-8-sathish.narasimman@intel.com (mailing list archive)
State Changes Requested
Delegated to: Marcel Holtmann
Headers show
Series LE LL Priavcy support enabled | expand

Commit Message

Sathish Narasimman March 12, 2020, 10:07 a.m. UTC 
Update white list filter policy of if LL Privacy is enabled
When Address Resolution is enabled and device is already in the white
list then follow the filter policy

Signed-off-by: Sathish Narsimman <sathish.narasimman@intel.com>
---
 net/bluetooth/hci_request.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 12868caf50ea..47cb2602713a 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -711,7 +711,16 @@  static int add_to_white_list(struct hci_request *req,
 	/* White list can not be used with RPAs */
 	if (!allow_rpa &&
 	    hci_find_irk_by_addr(hdev, &params->addr, params->addr_type)) {
-		return -1;
+		/* White list can not be used with RPAs if address
+		 * resolution is disabled in the controller
+		 */
+		if (!hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION))
+			return -1;
+
+		/* if  the peer device is not present in the resolving list */
+		if (!hci_bdaddr_list_lookup_with_irk(&hdev->le_resolv_list, &b->bdaddr,
+						     b->bdaddr_type))
+			return -1;
 	}
 
 	/* During suspend, only wakeable devices can be in whitelist */
@@ -768,7 +777,16 @@  static u8 update_white_list(struct hci_request *req)
 		/* White list can not be used with RPAs */
 		if (!allow_rpa &&
 		    hci_find_irk_by_addr(hdev, &b->bdaddr, b->bdaddr_type)) {
-			return 0x00;
+			/* White list can not be used with RPAs if address
+			 * resolution is disabled in the controller
+			 */
+			if (!hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION))
+				return 0x00;
+
+			/* if  the peer device is not present in the resolving list */
+			if (!hci_bdaddr_list_lookup_with_irk(&hdev->le_resolv_list, &b->bdaddr,
+							     b->bdaddr_type))
+				return 0x00;
 		}
 
 		num_entries++;