Bluetooth: Add appearance to Read Ext Controller Info command

If LE is enabled appearance is added to EIR data.

Signed-off-by: Michał Narajowski <michal.narajowski@codecoup.pl>
Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 14 insertions, 0 deletions

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 2b6fe10256b9..d3837e0633af 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -878,6 +878,16 @@ static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
         return eir_len;
 }
 
+static inline u16 eir_append_le16(u8 *eir, u16 eir_len, u8 type, u16 data)
+{
+        eir[eir_len++] = sizeof(type) + sizeof(data);
+        eir[eir_len++] = type;
+        put_unaligned_le16(data, &eir[eir_len]);
+        eir_len += sizeof(data);
+
+        return eir_len;
+}
+
 static u16 append_eir_data_to_buf(struct hci_dev *hdev, u8 *eir)
 {
         u16 eir_len = 0;
@@ -887,6 +897,10 @@ static u16 append_eir_data_to_buf(struct hci_dev *hdev, u8 *eir)
                 eir_len = eir_append_data(eir, eir_len, EIR_CLASS_OF_DEV,
                                           hdev->dev_class, 3);
 
+        if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
+                eir_len = eir_append_le16(eir, eir_len, EIR_APPEARANCE,
+                                          hdev->appearance);
+
         name_len = strlen(hdev->dev_name);
         eir_len = eir_append_data(eir, eir_len, EIR_NAME_COMPLETE,
                                   hdev->dev_name, name_len);