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Subject[PATCH 1/2] Bluetooth: Add helpers to enable or disable LE Advertising
Date
This patch adds helpers to enable or disable LE Advertising.
To be used by later patch.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
---
include/net/bluetooth/hci_core.h | 3 ++
net/bluetooth/hci_core.c | 47 ++++++++++++++++++++++++++++++++
2 files changed, 50 insertions(+)

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index e5ea633ea368..ef92dd12f816 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -269,6 +269,7 @@ struct hci_dev {
__u16 le_max_rx_time;
__u8 le_max_key_size;
__u8 le_min_key_size;
+ __u8 le_events[8];
__u16 discov_interleaved_timeout;
__u16 conn_info_min_age;
__u16 conn_info_max_age;
@@ -1141,6 +1142,8 @@ void hci_init_sysfs(struct hci_dev *hdev);
void hci_conn_init_sysfs(struct hci_conn *conn);
void hci_conn_add_sysfs(struct hci_conn *conn);
void hci_conn_del_sysfs(struct hci_conn *conn);
+int hci_enable_le_advertising(struct hci_dev *hdev);
+int hci_disable_le_advertising(struct hci_dev *hdev);

#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))

diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 7352fe85674b..0bed66908588 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -411,6 +412,53 @@ static void hci_setup_event_mask(struct hci_request *req)
hci_req_add(req, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
}

+static int hci_enable_le_advertising_req(struct hci_request *req, unsigned long opt)
+{
+ struct hci_dev *hdev = req->hdev;
+ u8 events[8];
+
+ memcpy(events, hdev->le_events, sizeof(events));
+
+ hci_req_add(req, HCI_OP_LE_SET_EVENT_MASK, sizeof(events),
+ events);
+
+ return 0;
+}
+
+static int hci_disable_le_advertising_req(struct hci_request *req, unsigned long opt)
+{
+ struct hci_dev *hdev = req->hdev;
+
+ u8 events[8];
+
+ memcpy(events, hdev->le_events, sizeof(events));
+
+ events[0] &= ~(u8)0x02; /* LE Advertising Report */
+
+ hci_req_add(req, HCI_OP_LE_SET_EVENT_MASK, sizeof(events),
+ events);
+
+ return 0;
+}
+
+int hci_enable_le_advertising(struct hci_dev *hdev)
+{
+ if (!lmp_le_capable(hdev))
+ return 0;
+
+ return __hci_req_sync(hdev, hci_enable_le_advertising_req, 0, HCI_CMD_TIMEOUT, NULL);
+}
+EXPORT_SYMBOL(hci_enable_le_advertising);
+
+int hci_disable_le_advertising(struct hci_dev *hdev)
+{
+ if (!lmp_le_capable(hdev))
+ return 0;
+
+ return __hci_req_sync(hdev, hci_disable_le_advertising_req, 0, HCI_CMD_TIMEOUT, NULL);
+}
+EXPORT_SYMBOL(hci_disable_le_advertising);
+
static int hci_init2_req(struct hci_request *req, unsigned long opt)
{
struct hci_dev *hdev = req->hdev;
@@ -771,6 +818,8 @@ static int hci_init3_req(struct hci_request *req, unsigned long opt)
}

hci_set_le_support(req);
+
+ memcpy(hdev->le_events, events, sizeof(events));
}

/* Read features beyond page 1 if available */
--
2.17.1
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