With this patch it is possible to control discovery interleaved
timeout value from debugfs. Default value is 5120 ms.
It is for fine tuning of this timeout.
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 c2a419c..abd38a2 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -199,6 +199,7 @@ 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;
@@ -1210,7 +1211,6 @@ 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 c6189d9..f51d572 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)
{
@@ -1823,6 +1826,8 @@ 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,
+ hdev->debugfs, &discov_timeout_ms);
}
return 0;
@@ -3786,6 +3791,7 @@ struct hci_dev *hci_alloc_dev(void)
hdev->rpa_timeout = HCI_DEFAULT_RPA_TIMEOUT;
+ hdev->discov_interl_timeout = msecs_to_jiffies(discov_timeout_ms);
mutex_init(&hdev->lock);
mutex_init(&hdev->req_lock);
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 37706e8..6229d1f 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -3372,7 +3372,7 @@ static void start_discovery_complete(struct hci_dev *hdev, u8 status)
case DISCOV_TYPE_INTERLEAVED:
queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable,
- DISCOV_INTERLEAVED_TIMEOUT);
+ hdev->discov_interl_timeout);
break;
case DISCOV_TYPE_BREDR:
--
1.8.4
--
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