Bluetooth: MGMT: Add LL Privacy Setting

This adds LL Privacy (bit 22) to Read Controller Information so the likes
of bluetoothd(1) can detect when the controller supports it or not.

Fixes: e209e5c ("Bluetooth: MGMT: Mark LL Privacy as stable")
Signed-off-by: Luiz Augusto von Dentz <[email protected]>

Author: Vudentz

include/net/bluetooth/mgmt.h

@@ -113,6 +113,7 @@ struct mgmt_rp_read_index_list {
 #define MGMT_SETTING_CIS_PERIPHERAL	BIT(19)
 #define MGMT_SETTING_ISO_BROADCASTER	BIT(20)
 #define MGMT_SETTING_ISO_SYNC_RECEIVER	BIT(21)
+#define MGMT_SETTING_LL_PRIVACY		BIT(22)
 
 #define MGMT_OP_READ_INFO		0x0004
 #define MGMT_READ_INFO_SIZE		0

net/bluetooth/mgmt.c

@@ -851,6 +851,9 @@ static u32 get_supported_settings(struct hci_dev *hdev)
 	if (cis_peripheral_capable(hdev))
 		settings |= MGMT_SETTING_CIS_PERIPHERAL;
 
+	if (ll_privacy_capable(hdev))
+		settings |= MGMT_SETTING_LL_PRIVACY;
+
 	settings |= MGMT_SETTING_PHY_CONFIGURATION;
 
 	return settings;
@@ -933,6 +936,9 @@ static u32 get_current_settings(struct hci_dev *hdev)
 	if (sync_recv_capable(hdev))
 		settings |= MGMT_SETTING_ISO_SYNC_RECEIVER;
 
+	if (ll_privacy_capable(hdev))
+		settings |= MGMT_SETTING_LL_PRIVACY;
+
 	return settings;
 }