Return-Path: From: Andre Guedes To: linux-bluetooth@vger.kernel.org Subject: [PATCH 2/6] Bluetooth: Export discovery parameters on debugfs Date: Fri, 9 Aug 2013 20:12:30 -0300 Message-Id: <1376089954-13639-3-git-send-email-andre.guedes@openbossa.org> In-Reply-To: <1376089954-13639-1-git-send-email-andre.guedes@openbossa.org> References: <1376089954-13639-1-git-send-email-andre.guedes@openbossa.org> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: This patch exports discovery parameters thought debugfs filesystem. The default values are: $ cat discovery_parameters 0x01 0x0012 0x0012 10240 5120 0x04 0x08 The file format is the following: Scanning type Scanning interval Scanning window Scanning duration (in milliseconds) in LE discovery Scanning duration (in milliseconds) in interleaved discovery Inquiry length used in interleaved discovery Inquiry length used in BR/EDR discovery Signed-off-by: Andre Guedes --- net/bluetooth/hci_sysfs.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 7ad6ecf..90cb53b 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -531,6 +531,35 @@ static int auto_accept_delay_get(void *data, u64 *val) DEFINE_SIMPLE_ATTRIBUTE(auto_accept_delay_fops, auto_accept_delay_get, auto_accept_delay_set, "%llu\n"); +static int discovery_parameters_show(struct seq_file *f, void *ptr) +{ + struct hci_dev *hdev = f->private; + struct discovery_param *p = &hdev->discovery_param; + + hci_dev_lock(hdev); + + seq_printf(f, "0x%.2x 0x%.4x 0x%.4x %u %u 0x%.2x 0x%.2x\n", + p->scan_type, p->scan_interval, p->scan_window, + p->le_scan_duration, p->interleaved_scan_duration, + p->interleaved_inquiry_length, p->bredr_inquiry_length); + + hci_dev_unlock(hdev); + + return 0; +} + +static int discovery_parameters_open(struct inode *inode, struct file *file) +{ + return single_open(file, discovery_parameters_show, inode->i_private); +} + +static const struct file_operations discovery_parameters_fops = { + .open = discovery_parameters_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + void hci_init_sysfs(struct hci_dev *hdev) { struct device *dev = &hdev->dev; @@ -572,6 +601,9 @@ int hci_add_sysfs(struct hci_dev *hdev) debugfs_create_file("auto_accept_delay", 0444, hdev->debugfs, hdev, &auto_accept_delay_fops); + + debugfs_create_file("discovery_parameters", 0444, hdev->debugfs, hdev, + &discovery_parameters_fops); return 0; } -- 1.8.3.4