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@@ -2,6 +2,7 @@
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#include <linux/kernel.h>
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#include <linux/init.h>
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+#include <linux/debugfs.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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@@ -9,6 +10,9 @@
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struct class *bt_class = NULL;
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EXPORT_SYMBOL_GPL(bt_class);
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+struct dentry *bt_debugfs = NULL;
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+EXPORT_SYMBOL_GPL(bt_debugfs);
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+
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static struct workqueue_struct *bt_workq;
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static inline char *link_typetostr(int type)
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@@ -166,9 +170,9 @@ void hci_conn_del_sysfs(struct hci_conn *conn)
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queue_work(bt_workq, &conn->work_del);
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}
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-static inline char *host_typetostr(int type)
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+static inline char *host_bustostr(int bus)
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{
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- switch (type) {
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+ switch (bus) {
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case HCI_VIRTUAL:
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return "VIRTUAL";
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case HCI_USB:
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@@ -188,10 +192,28 @@ static inline char *host_typetostr(int type)
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}
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}
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+static inline char *host_typetostr(int type)
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+{
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+ switch (type) {
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+ case HCI_BREDR:
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+ return "BR/EDR";
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+ case HCI_80211:
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+ return "802.11";
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+ default:
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+ return "UNKNOWN";
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+ }
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+}
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+
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+static ssize_t show_bus(struct device *dev, struct device_attribute *attr, char *buf)
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+{
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+ struct hci_dev *hdev = dev_get_drvdata(dev);
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+ return sprintf(buf, "%s\n", host_bustostr(hdev->bus));
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+}
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+
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static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct hci_dev *hdev = dev_get_drvdata(dev);
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- return sprintf(buf, "%s\n", host_typetostr(hdev->type));
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+ return sprintf(buf, "%s\n", host_typetostr(hdev->dev_type));
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}
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static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf)
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@@ -251,32 +273,6 @@ static ssize_t show_hci_revision(struct device *dev, struct device_attribute *at
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return sprintf(buf, "%d\n", hdev->hci_rev);
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}
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-static ssize_t show_inquiry_cache(struct device *dev, struct device_attribute *attr, char *buf)
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-{
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- struct hci_dev *hdev = dev_get_drvdata(dev);
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- struct inquiry_cache *cache = &hdev->inq_cache;
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- struct inquiry_entry *e;
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- int n = 0;
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-
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- hci_dev_lock_bh(hdev);
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-
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- for (e = cache->list; e; e = e->next) {
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- struct inquiry_data *data = &e->data;
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- bdaddr_t bdaddr;
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- baswap(&bdaddr, &data->bdaddr);
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- n += sprintf(buf + n, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
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- batostr(&bdaddr),
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- data->pscan_rep_mode, data->pscan_period_mode,
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- data->pscan_mode, data->dev_class[2],
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- data->dev_class[1], data->dev_class[0],
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- __le16_to_cpu(data->clock_offset),
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- data->rssi, data->ssp_mode, e->timestamp);
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- }
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-
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- hci_dev_unlock_bh(hdev);
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- return n;
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-}
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-
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static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct hci_dev *hdev = dev_get_drvdata(dev);
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@@ -355,6 +351,7 @@ static ssize_t store_sniff_min_interval(struct device *dev, struct device_attrib
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return count;
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}
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+static DEVICE_ATTR(bus, S_IRUGO, show_bus, NULL);
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static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
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static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
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static DEVICE_ATTR(class, S_IRUGO, show_class, NULL);
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@@ -363,7 +360,6 @@ static DEVICE_ATTR(features, S_IRUGO, show_features, NULL);
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static DEVICE_ATTR(manufacturer, S_IRUGO, show_manufacturer, NULL);
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static DEVICE_ATTR(hci_version, S_IRUGO, show_hci_version, NULL);
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static DEVICE_ATTR(hci_revision, S_IRUGO, show_hci_revision, NULL);
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-static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
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static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
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show_idle_timeout, store_idle_timeout);
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@@ -373,6 +369,7 @@ static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
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show_sniff_min_interval, store_sniff_min_interval);
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static struct attribute *bt_host_attrs[] = {
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+ &dev_attr_bus.attr,
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&dev_attr_type.attr,
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&dev_attr_name.attr,
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&dev_attr_class.attr,
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@@ -381,7 +378,6 @@ static struct attribute *bt_host_attrs[] = {
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&dev_attr_manufacturer.attr,
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&dev_attr_hci_version.attr,
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&dev_attr_hci_revision.attr,
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- &dev_attr_inquiry_cache.attr,
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&dev_attr_idle_timeout.attr,
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&dev_attr_sniff_max_interval.attr,
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&dev_attr_sniff_min_interval.attr,
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@@ -409,12 +405,52 @@ static struct device_type bt_host = {
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.release = bt_host_release,
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};
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+static int inquiry_cache_open(struct inode *inode, struct file *file)
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+{
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+ file->private_data = inode->i_private;
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+ return 0;
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+}
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+
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+static ssize_t inquiry_cache_read(struct file *file, char __user *userbuf,
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+ size_t count, loff_t *ppos)
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+{
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+ struct hci_dev *hdev = file->private_data;
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+ struct inquiry_cache *cache = &hdev->inq_cache;
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+ struct inquiry_entry *e;
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+ char buf[4096];
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+ int n = 0;
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+
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+ hci_dev_lock_bh(hdev);
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+
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+ for (e = cache->list; e; e = e->next) {
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+ struct inquiry_data *data = &e->data;
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+ bdaddr_t bdaddr;
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+ baswap(&bdaddr, &data->bdaddr);
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+ n += sprintf(buf + n, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
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+ batostr(&bdaddr),
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+ data->pscan_rep_mode, data->pscan_period_mode,
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+ data->pscan_mode, data->dev_class[2],
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+ data->dev_class[1], data->dev_class[0],
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+ __le16_to_cpu(data->clock_offset),
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+ data->rssi, data->ssp_mode, e->timestamp);
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+ }
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+
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+ hci_dev_unlock_bh(hdev);
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+
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+ return simple_read_from_buffer(userbuf, count, ppos, buf, n);
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+}
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+
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+static const struct file_operations inquiry_cache_fops = {
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+ .open = inquiry_cache_open,
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+ .read = inquiry_cache_read,
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+};
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+
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int hci_register_sysfs(struct hci_dev *hdev)
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{
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struct device *dev = &hdev->dev;
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int err;
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- BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
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+ BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
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dev->type = &bt_host;
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dev->class = bt_class;
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@@ -428,12 +464,24 @@ int hci_register_sysfs(struct hci_dev *hdev)
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if (err < 0)
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return err;
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+ if (!bt_debugfs)
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+ return 0;
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+
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+ hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs);
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+ if (!hdev->debugfs)
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+ return 0;
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+
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+ debugfs_create_file("inquiry_cache", 0444, hdev->debugfs,
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+ hdev, &inquiry_cache_fops);
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+
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return 0;
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}
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void hci_unregister_sysfs(struct hci_dev *hdev)
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{
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- BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
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+ BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
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+
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+ debugfs_remove_recursive(hdev->debugfs);
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device_del(&hdev->dev);
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}
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@@ -444,6 +492,8 @@ int __init bt_sysfs_init(void)
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if (!bt_workq)
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return -ENOMEM;
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+ bt_debugfs = debugfs_create_dir("bluetooth", NULL);
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+
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bt_class = class_create(THIS_MODULE, "bluetooth");
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if (IS_ERR(bt_class)) {
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destroy_workqueue(bt_workq);
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@@ -455,7 +505,9 @@ int __init bt_sysfs_init(void)
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void bt_sysfs_cleanup(void)
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{
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- destroy_workqueue(bt_workq);
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-
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class_destroy(bt_class);
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+
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+ debugfs_remove_recursive(bt_debugfs);
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+
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+ destroy_workqueue(bt_workq);
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}
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