Hi Marcel
On Thu, Apr 9, 2020 at 11:38 AM Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote:
>
> 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@xxxxxxxxxxxx>
> ---
> include/net/bluetooth/hci.h | 1 +
> net/bluetooth/hci_core.c | 8 ++++++++
> 2 files changed, 9 insertions(+)
>
> diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
> index ff42d05b3e72..1da8cec8e210 100644
> --- 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
> diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
> index 589c4085499c..0d726d59a492 100644
> --- a/net/bluetooth/hci_core.c
> +++ b/net/bluetooth/hci_core.c
> @@ -638,6 +638,14 @@ static int hci_init3_req(struct hci_request *req, unsigned long opt)
> 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.
> */
> --
> 2.25.2
>
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/tree/net/bluetooth/hci_core.c#n717
I see LE Enhanced Connection complete event is enabled here.
Regards
Sathish N
