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[4/8] Bluetooth: Translate additional address type during le_conn

Message ID 20200730091421.48847-4-marcel@holtmann.org (mailing list archive)
State New, archived
Headers show
Series [1/8] Bluetooth: Translate additional address type correctly | expand

Commit Message

Marcel Holtmann July 30, 2020, 9:14 a.m. UTC 
From: Sathish Narasimman <nsathish41@gmail.com>

When using controller based address resolution, then the new address
types 0x02 and 0x03 are used. These types need to be converted back into
either public address or random address types.

This patch is specially during LE_CREATE_CONN if using own_add_type as 0x02
or 0x03.

Signed-off-by: Sathish Narasimman <sathish.narasimman@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/hci_event.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
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Patch

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 61f8c4d12028..6388fb55b4d2 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2296,6 +2296,22 @@  static void cs_le_create_conn(struct hci_dev *hdev, bdaddr_t *peer_addr,
 	if (!conn)
 		return;
 
+	/* When using controller based address resolution, then the new
+	 * address types 0x02 and 0x03 are used. These types need to be
+	 * converted back into either public address or random address type
+	 */
+	if (use_ll_privacy(hdev) &&
+	    hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION)) {
+		switch (own_address_type) {
+		case ADDR_LE_DEV_PUBLIC_RESOLVED:
+			own_address_type = ADDR_LE_DEV_PUBLIC;
+			break;
+		case ADDR_LE_DEV_RANDOM_RESOLVED:
+			own_address_type = ADDR_LE_DEV_RANDOM;
+			break;
+		}
+	}
+
 	/* Store the initiator and responder address information which
 	 * is needed for SMP. These values will not change during the
 	 * lifetime of the connection.