From 729a1051da6ff92e52ef8773e1676d462dc43b90 Mon Sep 17 00:00:00 2001 From: Georg Lukas Date: Sat, 26 Jul 2014 13:59:58 +0200 Subject: [PATCH] Bluetooth: Expose default LE advertising interval via debugfs Expose the default values for minimum and maximum LE advertising interval via debugfs for testing purposes. Signed-off-by: Georg Lukas Signed-off-by: Marcel Holtmann --- net/bluetooth/hci_core.c | 60 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 475d6003ed15..910f608365f7 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -970,6 +970,62 @@ static int adv_channel_map_get(void *data, u64 *val) DEFINE_SIMPLE_ATTRIBUTE(adv_channel_map_fops, adv_channel_map_get, adv_channel_map_set, "%llu\n"); +static int adv_min_interval_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + + if (val < 0x0020 || val > 0x4000 || val > hdev->le_adv_max_interval) + return -EINVAL; + + hci_dev_lock(hdev); + hdev->le_adv_min_interval = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int adv_min_interval_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->le_adv_min_interval; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(adv_min_interval_fops, adv_min_interval_get, + adv_min_interval_set, "%llu\n"); + +static int adv_max_interval_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + + if (val < 0x0020 || val > 0x4000 || val < hdev->le_adv_min_interval) + return -EINVAL; + + hci_dev_lock(hdev); + hdev->le_adv_max_interval = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int adv_max_interval_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->le_adv_max_interval; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(adv_max_interval_fops, adv_max_interval_get, + adv_max_interval_set, "%llu\n"); + static int device_list_show(struct seq_file *f, void *ptr) { struct hci_dev *hdev = f->private; @@ -1833,6 +1889,10 @@ static int __hci_init(struct hci_dev *hdev) hdev, &supervision_timeout_fops); debugfs_create_file("adv_channel_map", 0644, hdev->debugfs, hdev, &adv_channel_map_fops); + debugfs_create_file("adv_min_interval", 0644, hdev->debugfs, + hdev, &adv_min_interval_fops); + debugfs_create_file("adv_max_interval", 0644, hdev->debugfs, + hdev, &adv_max_interval_fops); debugfs_create_file("device_list", 0444, hdev->debugfs, hdev, &device_list_fops); debugfs_create_u16("discov_interleaved_timeout", 0644, -- 2.34.1