Bluetooth: Read number of supported IAC on controller setup

When initializing a controller make sure to read out the number of
supported IAC and store its result. This value is needed to determine
if limited discoverable for BR/EDR can be configured or not.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

2 files changed, 7 insertions, 0 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index c8a91cb20173..8567f44aa618 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -815,6 +815,12 @@ struct hci_cp_host_buffer_size {
         __le16   sco_max_pkt;
 } __packed;
 
+#define HCI_OP_READ_NUM_SUPPORTED_IAC   0x0c38
+struct hci_rp_read_num_supported_iac {
+        __u8    status;
+        __u8    num_iac;
+} __packed;
+
 #define HCI_OP_WRITE_INQUIRY_MODE       0x0c45
 
 #define HCI_MAX_EIR_LENGTH              240
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 0326b160b89a..4e208420d84c 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -159,6 +159,7 @@ struct hci_dev {
         __u16           manufacturer;
         __u16           lmp_subver;
         __u16           voice_setting;
+        __u8            num_iac;
         __u8            io_capability;
         __s8            inq_tx_power;
         __u16           page_scan_interval;