Hi Lukasz,
> With this patch it is possible to control discovery interleaved
> timeout value from debugfs. Default value is 5120 ms.
>
> It is useful to control it in case of automated testaces where bredrle
> controler is doing discovery and it is waiting for inquiry results. With
> this patch we can decrease le scan time and get inquiry results faster.
>
> It might be also useful in other test cases.
>
> Signed-off-by: Lukasz Rymanowski <lukasz.rymanowski@xxxxxxxxx>
> ---
> include/net/bluetooth/hci_core.h | 2 +-
> net/bluetooth/hci_core.c | 6 ++++++
> net/bluetooth/mgmt.c | 2 +-
> 3 files changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
> index 5f8bc05..2d63ade 100644
> --- a/include/net/bluetooth/hci_core.h
> +++ b/include/net/bluetooth/hci_core.h
> @@ -194,6 +194,7 @@ struct hci_dev {
> __u16 le_scan_window;
> __u16 le_conn_min_interval;
> __u16 le_conn_max_interval;
> + __u32 discov_interl_timeout;
> __u8 ssp_debug_mode;
>
> __u16 devid_source;
> @@ -1205,7 +1206,6 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event);
> #define DISCOV_LE_SCAN_WIN 0x12
> #define DISCOV_LE_SCAN_INT 0x12
> #define DISCOV_LE_TIMEOUT msecs_to_jiffies(10240)
> -#define DISCOV_INTERLEAVED_TIMEOUT msecs_to_jiffies(5120)
> #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04
> #define DISCOV_BREDR_INQUIRY_LEN 0x08
>
> diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
> index 1c6ffaa..b2139f1 100644
> --- a/net/bluetooth/hci_core.c
> +++ b/net/bluetooth/hci_core.c
> @@ -61,6 +61,9 @@ static void hci_notify(struct hci_dev *hdev, int event)
>
> /* ---- HCI debugfs entries ---- */
>
> +/* Discovery interleaved timeout */
> +static u16 discov_timeout_ms = 5120;
> +
> static ssize_t dut_mode_read(struct file *file, char __user *user_buf,
> size_t count, loff_t *ppos)
> {
> @@ -1828,6 +1831,8 @@ static int __hci_init(struct hci_dev *hdev)
> &lowpan_debugfs_fops);
> debugfs_create_file("le_auto_conn", 0644, hdev->debugfs, hdev,
> &le_auto_conn_fops);
> + debugfs_create_u16("discov_interleaved_timeout", 0644,
> + bt_debugfs, &discov_timeout_ms);
please attach a second HCI controller to your system and tell me what happens.
Regards
Marcel
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
