2005-04-17 00:20:36 +02:00
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/* Bluetooth HCI driver model support. */
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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2008-08-18 13:23:53 +02:00
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struct class *bt_class = NULL;
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EXPORT_SYMBOL_GPL(bt_class);
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2009-05-03 03:24:06 +02:00
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static struct workqueue_struct *bt_workq;
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2005-04-17 00:20:36 +02:00
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2008-08-18 13:23:53 +02:00
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static inline char *link_typetostr(int type)
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{
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switch (type) {
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case ACL_LINK:
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return "ACL";
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case SCO_LINK:
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return "SCO";
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case ESCO_LINK:
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return "eSCO";
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default:
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return "UNKNOWN";
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}
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}
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static ssize_t show_link_type(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct hci_conn *conn = dev_get_drvdata(dev);
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return sprintf(buf, "%s\n", link_typetostr(conn->type));
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}
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static ssize_t show_link_address(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct hci_conn *conn = dev_get_drvdata(dev);
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bdaddr_t bdaddr;
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baswap(&bdaddr, &conn->dst);
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return sprintf(buf, "%s\n", batostr(&bdaddr));
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}
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static ssize_t show_link_features(struct device *dev, struct device_attribute *attr, char *buf)
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{
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struct hci_conn *conn = dev_get_drvdata(dev);
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return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
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conn->features[0], conn->features[1],
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conn->features[2], conn->features[3],
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conn->features[4], conn->features[5],
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conn->features[6], conn->features[7]);
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}
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#define LINK_ATTR(_name,_mode,_show,_store) \
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struct device_attribute link_attr_##_name = __ATTR(_name,_mode,_show,_store)
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static LINK_ATTR(type, S_IRUGO, show_link_type, NULL);
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static LINK_ATTR(address, S_IRUGO, show_link_address, NULL);
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static LINK_ATTR(features, S_IRUGO, show_link_features, NULL);
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static struct attribute *bt_link_attrs[] = {
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&link_attr_type.attr,
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&link_attr_address.attr,
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&link_attr_features.attr,
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NULL
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};
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static struct attribute_group bt_link_group = {
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.attrs = bt_link_attrs,
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};
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static struct attribute_group *bt_link_groups[] = {
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&bt_link_group,
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NULL
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};
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static void bt_link_release(struct device *dev)
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{
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void *data = dev_get_drvdata(dev);
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kfree(data);
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}
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static struct device_type bt_link = {
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.name = "link",
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.groups = bt_link_groups,
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.release = bt_link_release,
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};
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static void add_conn(struct work_struct *work)
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{
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2009-04-23 13:50:54 +02:00
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struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
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2009-05-05 22:09:01 +02:00
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struct hci_dev *hdev = conn->hdev;
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2008-08-18 13:23:53 +02:00
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2009-05-03 03:24:06 +02:00
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/* ensure previous del is complete */
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flush_work(&conn->work_del);
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2008-08-18 13:23:53 +02:00
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2009-05-05 22:09:01 +02:00
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dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
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2008-08-18 13:23:53 +02:00
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if (device_add(&conn->dev) < 0) {
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BT_ERR("Failed to register connection device");
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return;
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}
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}
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/*
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* The rfcomm tty device will possibly retain even when conn
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* is down, and sysfs doesn't support move zombie device,
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* so we should move the device before conn device is destroyed.
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*/
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static int __match_tty(struct device *dev, void *data)
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{
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2008-11-10 22:55:14 +01:00
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return !strncmp(dev_name(dev), "rfcomm", 6);
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2008-08-18 13:23:53 +02:00
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}
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static void del_conn(struct work_struct *work)
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{
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2009-04-23 13:50:54 +02:00
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struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
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2008-08-18 13:23:53 +02:00
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struct hci_dev *hdev = conn->hdev;
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2009-05-03 03:24:06 +02:00
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/* ensure previous add is complete */
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flush_work(&conn->work_add);
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if (!device_is_registered(&conn->dev))
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return;
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2009-04-23 13:50:54 +02:00
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2008-08-18 13:23:53 +02:00
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while (1) {
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struct device *dev;
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dev = device_find_child(&conn->dev, NULL, __match_tty);
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if (!dev)
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break;
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2009-03-04 12:44:00 +01:00
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device_move(dev, NULL, DPM_ORDER_DEV_LAST);
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2008-08-18 13:23:53 +02:00
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put_device(dev);
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}
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device_del(&conn->dev);
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put_device(&conn->dev);
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hci_dev_put(hdev);
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}
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2009-05-03 03:24:06 +02:00
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void hci_conn_init_sysfs(struct hci_conn *conn)
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2008-08-18 13:23:53 +02:00
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{
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2009-05-03 03:24:06 +02:00
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struct hci_dev *hdev = conn->hdev;
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2008-08-18 13:23:53 +02:00
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BT_DBG("conn %p", conn);
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2009-05-03 03:24:06 +02:00
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conn->dev.type = &bt_link;
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conn->dev.class = bt_class;
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conn->dev.parent = &hdev->dev;
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dev_set_drvdata(&conn->dev, conn);
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2008-08-18 13:23:53 +02:00
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2009-05-03 03:24:06 +02:00
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device_initialize(&conn->dev);
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INIT_WORK(&conn->work_add, add_conn);
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2009-04-23 13:50:54 +02:00
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INIT_WORK(&conn->work_del, del_conn);
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2009-05-03 03:24:06 +02:00
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}
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void hci_conn_add_sysfs(struct hci_conn *conn)
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{
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BT_DBG("conn %p", conn);
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queue_work(bt_workq, &conn->work_add);
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}
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void hci_conn_del_sysfs(struct hci_conn *conn)
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{
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BT_DBG("conn %p", conn);
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2008-08-18 13:23:53 +02:00
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2009-05-03 03:24:06 +02:00
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queue_work(bt_workq, &conn->work_del);
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2008-08-18 13:23:53 +02:00
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}
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static inline char *host_typetostr(int type)
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2005-04-17 00:20:36 +02:00
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{
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2006-07-06 12:34:41 +02:00
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switch (type) {
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2006-07-08 13:57:15 +02:00
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case HCI_VIRTUAL:
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2006-07-06 12:34:41 +02:00
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return "VIRTUAL";
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case HCI_USB:
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return "USB";
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case HCI_PCCARD:
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return "PCCARD";
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case HCI_UART:
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return "UART";
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case HCI_RS232:
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return "RS232";
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case HCI_PCI:
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return "PCI";
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2006-07-08 13:57:15 +02:00
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case HCI_SDIO:
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return "SDIO";
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2006-07-06 12:34:41 +02:00
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default:
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return "UNKNOWN";
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}
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2005-04-17 00:20:36 +02:00
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}
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2006-07-03 10:02:41 +02:00
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static ssize_t show_type(struct device *dev, struct device_attribute *attr, char *buf)
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2005-04-17 00:20:36 +02:00
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{
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2006-07-03 10:02:41 +02:00
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struct hci_dev *hdev = dev_get_drvdata(dev);
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2008-08-18 13:23:53 +02:00
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return sprintf(buf, "%s\n", host_typetostr(hdev->type));
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2005-04-17 00:20:36 +02:00
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}
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2007-10-20 13:33:56 +02:00
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static ssize_t show_name(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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char name[249];
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int i;
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for (i = 0; i < 248; i++)
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name[i] = hdev->dev_name[i];
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name[248] = '\0';
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return sprintf(buf, "%s\n", name);
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}
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static ssize_t show_class(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, "0x%.2x%.2x%.2x\n",
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hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
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}
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2006-07-03 10:02:41 +02:00
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static ssize_t show_address(struct device *dev, struct device_attribute *attr, char *buf)
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2005-04-17 00:20:36 +02:00
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{
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2006-07-03 10:02:41 +02:00
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struct hci_dev *hdev = dev_get_drvdata(dev);
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2005-04-17 00:20:36 +02:00
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bdaddr_t bdaddr;
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baswap(&bdaddr, &hdev->bdaddr);
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return sprintf(buf, "%s\n", batostr(&bdaddr));
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}
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2007-10-20 13:33:56 +02:00
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static ssize_t show_features(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, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
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hdev->features[0], hdev->features[1],
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hdev->features[2], hdev->features[3],
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hdev->features[4], hdev->features[5],
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hdev->features[6], hdev->features[7]);
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}
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2006-09-23 09:57:20 +02:00
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static ssize_t show_manufacturer(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, "%d\n", hdev->manufacturer);
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}
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static ssize_t show_hci_version(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, "%d\n", hdev->hci_ver);
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}
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static ssize_t show_hci_revision(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, "%d\n", hdev->hci_rev);
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}
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2006-07-03 10:02:41 +02:00
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static ssize_t show_inquiry_cache(struct device *dev, struct device_attribute *attr, char *buf)
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2005-04-17 00:20:36 +02:00
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{
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2006-07-03 10:02:41 +02:00
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struct hci_dev *hdev = dev_get_drvdata(dev);
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2005-04-17 00:20:36 +02:00
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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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hci_dev_lock_bh(hdev);
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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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2008-07-14 20:13:49 +02:00
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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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2005-04-17 00:20:36 +02:00
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batostr(&bdaddr),
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2008-07-14 20:13:49 +02:00
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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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2005-04-17 00:20:36 +02:00
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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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2006-07-03 10:02:41 +02:00
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static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf)
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2006-07-03 10:02:33 +02:00
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{
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2006-07-03 10:02:41 +02:00
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struct hci_dev *hdev = dev_get_drvdata(dev);
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2006-07-03 10:02:33 +02:00
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return sprintf(buf, "%d\n", hdev->idle_timeout);
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}
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2006-07-03 10:02:41 +02:00
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static ssize_t store_idle_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
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2006-07-03 10:02:33 +02:00
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{
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2006-07-03 10:02:41 +02:00
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struct hci_dev *hdev = dev_get_drvdata(dev);
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2006-07-03 10:02:33 +02:00
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char *ptr;
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__u32 val;
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val = simple_strtoul(buf, &ptr, 10);
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if (ptr == buf)
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return -EINVAL;
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if (val != 0 && (val < 500 || val > 3600000))
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return -EINVAL;
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hdev->idle_timeout = val;
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return count;
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}
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2006-07-03 10:02:41 +02:00
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static ssize_t show_sniff_max_interval(struct device *dev, struct device_attribute *attr, char *buf)
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2006-07-03 10:02:33 +02:00
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{
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2006-07-03 10:02:41 +02:00
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struct hci_dev *hdev = dev_get_drvdata(dev);
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2006-07-03 10:02:33 +02:00
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return sprintf(buf, "%d\n", hdev->sniff_max_interval);
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}
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2006-07-03 10:02:41 +02:00
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static ssize_t store_sniff_max_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
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2006-07-03 10:02:33 +02:00
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{
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2006-07-03 10:02:41 +02:00
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struct hci_dev *hdev = dev_get_drvdata(dev);
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2006-07-03 10:02:33 +02:00
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char *ptr;
|
|
|
|
__u16 val;
|
|
|
|
|
|
|
|
val = simple_strtoul(buf, &ptr, 10);
|
|
|
|
if (ptr == buf)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (val < 0x0002 || val > 0xFFFE || val % 2)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (val < hdev->sniff_min_interval)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
hdev->sniff_max_interval = val;
|
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
2006-07-03 10:02:41 +02:00
|
|
|
static ssize_t show_sniff_min_interval(struct device *dev, struct device_attribute *attr, char *buf)
|
2006-07-03 10:02:33 +02:00
|
|
|
{
|
2006-07-03 10:02:41 +02:00
|
|
|
struct hci_dev *hdev = dev_get_drvdata(dev);
|
2006-07-03 10:02:33 +02:00
|
|
|
return sprintf(buf, "%d\n", hdev->sniff_min_interval);
|
|
|
|
}
|
|
|
|
|
2006-07-03 10:02:41 +02:00
|
|
|
static ssize_t store_sniff_min_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
|
2006-07-03 10:02:33 +02:00
|
|
|
{
|
2006-07-03 10:02:41 +02:00
|
|
|
struct hci_dev *hdev = dev_get_drvdata(dev);
|
2006-07-03 10:02:33 +02:00
|
|
|
char *ptr;
|
|
|
|
__u16 val;
|
|
|
|
|
|
|
|
val = simple_strtoul(buf, &ptr, 10);
|
|
|
|
if (ptr == buf)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (val < 0x0002 || val > 0xFFFE || val % 2)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
if (val > hdev->sniff_max_interval)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
hdev->sniff_min_interval = val;
|
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
2006-07-03 10:02:41 +02:00
|
|
|
static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
|
2007-10-20 13:33:56 +02:00
|
|
|
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
|
|
|
|
static DEVICE_ATTR(class, S_IRUGO, show_class, NULL);
|
2006-07-03 10:02:41 +02:00
|
|
|
static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
|
2007-10-20 13:33:56 +02:00
|
|
|
static DEVICE_ATTR(features, S_IRUGO, show_features, NULL);
|
2006-09-23 09:57:20 +02:00
|
|
|
static DEVICE_ATTR(manufacturer, S_IRUGO, show_manufacturer, NULL);
|
|
|
|
static DEVICE_ATTR(hci_version, S_IRUGO, show_hci_version, NULL);
|
|
|
|
static DEVICE_ATTR(hci_revision, S_IRUGO, show_hci_revision, NULL);
|
2006-07-03 10:02:41 +02:00
|
|
|
static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-07-03 10:02:41 +02:00
|
|
|
static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
|
2006-07-03 10:02:33 +02:00
|
|
|
show_idle_timeout, store_idle_timeout);
|
2006-07-03 10:02:41 +02:00
|
|
|
static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
|
2006-07-03 10:02:33 +02:00
|
|
|
show_sniff_max_interval, store_sniff_max_interval);
|
2006-07-03 10:02:41 +02:00
|
|
|
static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
|
2006-07-03 10:02:33 +02:00
|
|
|
show_sniff_min_interval, store_sniff_min_interval);
|
|
|
|
|
2008-08-18 13:23:53 +02:00
|
|
|
static struct attribute *bt_host_attrs[] = {
|
|
|
|
&dev_attr_type.attr,
|
|
|
|
&dev_attr_name.attr,
|
|
|
|
&dev_attr_class.attr,
|
|
|
|
&dev_attr_address.attr,
|
|
|
|
&dev_attr_features.attr,
|
|
|
|
&dev_attr_manufacturer.attr,
|
|
|
|
&dev_attr_hci_version.attr,
|
|
|
|
&dev_attr_hci_revision.attr,
|
|
|
|
&dev_attr_inquiry_cache.attr,
|
|
|
|
&dev_attr_idle_timeout.attr,
|
|
|
|
&dev_attr_sniff_max_interval.attr,
|
|
|
|
&dev_attr_sniff_min_interval.attr,
|
2005-04-17 00:20:36 +02:00
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
2008-08-18 13:23:53 +02:00
|
|
|
static struct attribute_group bt_host_group = {
|
|
|
|
.attrs = bt_host_attrs,
|
2006-07-06 12:38:46 +02:00
|
|
|
};
|
|
|
|
|
2008-08-18 13:23:53 +02:00
|
|
|
static struct attribute_group *bt_host_groups[] = {
|
|
|
|
&bt_host_group,
|
|
|
|
NULL
|
2006-07-03 10:02:37 +02:00
|
|
|
};
|
|
|
|
|
2008-08-18 13:23:53 +02:00
|
|
|
static void bt_host_release(struct device *dev)
|
2006-07-03 10:02:41 +02:00
|
|
|
{
|
2006-07-06 12:38:46 +02:00
|
|
|
void *data = dev_get_drvdata(dev);
|
|
|
|
kfree(data);
|
|
|
|
}
|
|
|
|
|
2008-08-18 13:23:53 +02:00
|
|
|
static struct device_type bt_host = {
|
|
|
|
.name = "host",
|
|
|
|
.groups = bt_host_groups,
|
|
|
|
.release = bt_host_release,
|
|
|
|
};
|
2006-07-03 10:02:41 +02:00
|
|
|
|
2005-04-17 00:20:36 +02:00
|
|
|
int hci_register_sysfs(struct hci_dev *hdev)
|
|
|
|
{
|
2006-07-03 10:02:41 +02:00
|
|
|
struct device *dev = &hdev->dev;
|
2005-04-17 00:20:36 +02:00
|
|
|
int err;
|
|
|
|
|
|
|
|
BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
|
|
|
|
|
2008-08-18 13:23:53 +02:00
|
|
|
dev->type = &bt_host;
|
|
|
|
dev->class = bt_class;
|
2006-10-15 17:30:50 +02:00
|
|
|
dev->parent = hdev->parent;
|
2006-07-03 10:02:41 +02:00
|
|
|
|
2008-11-30 12:17:29 +01:00
|
|
|
dev_set_name(dev, "%s", hdev->name);
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2006-07-03 10:02:41 +02:00
|
|
|
dev_set_drvdata(dev, hdev);
|
2006-07-03 10:02:37 +02:00
|
|
|
|
2006-07-03 10:02:41 +02:00
|
|
|
err = device_register(dev);
|
2005-04-17 00:20:36 +02:00
|
|
|
if (err < 0)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void hci_unregister_sysfs(struct hci_dev *hdev)
|
|
|
|
{
|
|
|
|
BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
|
|
|
|
|
2006-07-06 12:34:41 +02:00
|
|
|
device_del(&hdev->dev);
|
2005-04-17 00:20:36 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
int __init bt_sysfs_init(void)
|
|
|
|
{
|
2009-05-03 03:24:06 +02:00
|
|
|
bt_workq = create_singlethread_workqueue("bluetooth");
|
|
|
|
if (!bt_workq)
|
2008-08-18 13:23:53 +02:00
|
|
|
return -ENOMEM;
|
2006-07-03 10:02:37 +02:00
|
|
|
|
2006-07-03 10:02:41 +02:00
|
|
|
bt_class = class_create(THIS_MODULE, "bluetooth");
|
|
|
|
if (IS_ERR(bt_class)) {
|
2009-05-03 03:24:06 +02:00
|
|
|
destroy_workqueue(bt_workq);
|
2008-08-18 13:23:53 +02:00
|
|
|
return PTR_ERR(bt_class);
|
2006-07-03 10:02:37 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
2005-04-17 00:20:36 +02:00
|
|
|
}
|
|
|
|
|
2006-09-29 00:29:37 +02:00
|
|
|
void bt_sysfs_cleanup(void)
|
2005-04-17 00:20:36 +02:00
|
|
|
{
|
2009-05-03 03:24:06 +02:00
|
|
|
destroy_workqueue(bt_workq);
|
2008-02-01 03:33:10 +01:00
|
|
|
|
2006-07-03 10:02:41 +02:00
|
|
|
class_destroy(bt_class);
|
2005-04-17 00:20:36 +02:00
|
|
|
}
|