Commit 3f959d46 authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg

Bluetooth: Provide option for changing LE advertising channel map

For testing purposes it is useful to provide an option to change the
advertising channel map. So add a debugfs option to allow this.
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent b1765e7a
......@@ -178,6 +178,7 @@ struct hci_dev {
__u16 page_scan_interval;
__u16 page_scan_window;
__u8 page_scan_type;
__u8 le_adv_channel_map;
__u16 le_scan_interval;
__u16 le_scan_window;
__u16 le_conn_min_interval;
......
......@@ -757,6 +757,34 @@ static int conn_max_interval_get(void *data, u64 *val)
DEFINE_SIMPLE_ATTRIBUTE(conn_max_interval_fops, conn_max_interval_get,
conn_max_interval_set, "%llu\n");
static int adv_channel_map_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
if (val < 0x01 || val > 0x07)
return -EINVAL;
hci_dev_lock(hdev);
hdev->le_adv_channel_map = val;
hci_dev_unlock(hdev);
return 0;
}
static int adv_channel_map_get(void *data, u64 *val)
{
struct hci_dev *hdev = data;
hci_dev_lock(hdev);
*val = hdev->le_adv_channel_map;
hci_dev_unlock(hdev);
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(adv_channel_map_fops, adv_channel_map_get,
adv_channel_map_set, "%llu\n");
static ssize_t lowpan_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
......@@ -1605,6 +1633,8 @@ static int __hci_init(struct hci_dev *hdev)
hdev, &conn_min_interval_fops);
debugfs_create_file("conn_max_interval", 0644, hdev->debugfs,
hdev, &conn_max_interval_fops);
debugfs_create_file("adv_channel_map", 0644, hdev->debugfs,
hdev, &adv_channel_map_fops);
debugfs_create_file("6lowpan", 0644, hdev->debugfs, hdev,
&lowpan_debugfs_fops);
}
......@@ -3264,6 +3294,7 @@ struct hci_dev *hci_alloc_dev(void)
hdev->sniff_max_interval = 800;
hdev->sniff_min_interval = 80;
hdev->le_adv_channel_map = 0x07;
hdev->le_scan_interval = 0x0060;
hdev->le_scan_window = 0x0030;
hdev->le_conn_min_interval = 0x0028;
......
......@@ -1374,7 +1374,7 @@ static void enable_advertising(struct hci_request *req)
cp.max_interval = __constant_cpu_to_le16(0x0800);
cp.type = get_adv_type(hdev);
cp.own_address_type = hdev->own_addr_type;
cp.channel_map = 0x07;
cp.channel_map = hdev->le_adv_channel_map;
hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
......
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