From ff3b8df2bd758d97aa3dd7c021864be05fec9bd5 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Thu, 9 Apr 2020 08:05:49 +0200
Subject: [PATCH] Bluetooth: Enable LE Enhanced Connection Complete event.
Git-commit: ff3b8df2bd758d97aa3dd7c021864be05fec9bd5
Patch-mainline: v5.8-rc1
References: jsc#SLE-13430

In case LL Privacy is supported by the controller, it is also a good
idea to use the LE Enhanced Connection Complete event for getting all
information about the new connection and its addresses.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 include/net/bluetooth/hci.h |    1 +
 net/bluetooth/hci_core.c    |    8 ++++++++
 2 files changed, 9 insertions(+)

--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -460,6 +460,7 @@ enum {
 #define HCI_LE_SLAVE_FEATURES		0x08
 #define HCI_LE_PING			0x10
 #define HCI_LE_DATA_LEN_EXT		0x20
+#define HCI_LE_LL_PRIVACY		0x40
 #define HCI_LE_EXT_SCAN_POLICY		0x80
 #define HCI_LE_PHY_2M			0x01
 #define HCI_LE_PHY_CODED		0x08
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -638,6 +638,14 @@ static int hci_init3_req(struct hci_requ
 		if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT)
 			events[0] |= 0x40;	/* LE Data Length Change */
 
+		/* If the controller supports LL Privacy feature, enable
+		 * the corresponding event.
+		 */
+		if (hdev->le_features[0] & HCI_LE_LL_PRIVACY)
+			events[1] |= 0x02;	/* LE Enhanced Connection
+						 * Complete
+						 */
+
 		/* If the controller supports Extended Scanner Filter
 		 * Policies, enable the correspondig event.
 		 */