[PATCH AUTOSEL 6.6 56/61] Bluetooth: Support new quirks for ATS2851

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From: Danil Pylaev <danstiv404@xxxxxxxxx>

[ Upstream commit 5bd3135924b4570dcecc8793f7771cb8d42d8b19 ]

This adds support for quirks for broken extended create connection,
and write auth payload timeout.

Signed-off-by: Danil Pylaev <danstiv404@xxxxxxxxx>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 net/bluetooth/hci_event.c | 7 +++++++
 net/bluetooth/hci_sync.c  | 9 ++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index da056cca3edbc..141b4fce55e35 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3627,6 +3627,13 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, void *data,
 		goto unlock;
 	}
 
+	/* We skip the WRITE_AUTH_PAYLOAD_TIMEOUT for ATS2851 based controllers
+	 * to avoid unexpected SMP command errors when pairing.
+	 */
+	if (test_bit(HCI_QUIRK_BROKEN_WRITE_AUTH_PAYLOAD_TIMEOUT,
+		     &hdev->quirks))
+		goto notify;
+
 	/* Set the default Authenticated Payload Timeout after
 	 * an LE Link is established. As per Core Spec v5.0, Vol 2, Part B
 	 * Section 3.3, the HCI command WRITE_AUTH_PAYLOAD_TIMEOUT should be
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index c553b637cda7f..d95e2b55badb4 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -4853,6 +4853,13 @@ static const struct {
 	HCI_QUIRK_BROKEN(SET_RPA_TIMEOUT,
 			 "HCI LE Set Random Private Address Timeout command is "
 			 "advertised, but not supported."),
+	HCI_QUIRK_BROKEN(EXT_CREATE_CONN,
+			 "HCI LE Extended Create Connection command is "
+			 "advertised, but not supported."),
+	HCI_QUIRK_BROKEN(WRITE_AUTH_PAYLOAD_TIMEOUT,
+			 "HCI WRITE AUTH PAYLOAD TIMEOUT command leads "
+			 "to unexpected SMP errors when pairing "
+			 "and will not be used."),
 	HCI_QUIRK_BROKEN(LE_CODED,
 			 "HCI LE Coded PHY feature bit is set, "
 			 "but its usage is not supported.")
@@ -6485,7 +6492,7 @@ static int hci_le_create_conn_sync(struct hci_dev *hdev, void *data)
 					     &own_addr_type);
 	if (err)
 		goto done;
-
+	/* Send command LE Extended Create Connection if supported */
 	if (use_ext_conn(hdev)) {
 		err = hci_le_ext_create_conn_sync(hdev, conn, own_addr_type);
 		goto done;
-- 
2.43.0





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