X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fbluetooth%2Fhci_sysfs.c;h=84360c117d4e3e8bb3e9a68d66bcde0cdf4d3d88;hb=fbe0825752dc34b505777fd59cde4a6ce832eb16;hp=25835403d6591551c953f1aa1c1331fec92ca9db;hpb=d12db0b08f6c14dfd1438f6f6ad49dcd663c9ae5;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 2583540..84360c1 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -12,6 +12,8 @@ #undef BT_DBG #define BT_DBG(D...) #endif +static struct workqueue_struct *btaddconn; +static struct workqueue_struct *btdelconn; static inline char *typetostr(int type) { @@ -41,6 +43,26 @@ static ssize_t show_type(struct device *dev, struct device_attribute *attr, char return sprintf(buf, "%s\n", typetostr(hdev->type)); } +static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct hci_dev *hdev = dev_get_drvdata(dev); + char name[249]; + int i; + + for (i = 0; i < 248; i++) + name[i] = hdev->dev_name[i]; + + name[248] = '\0'; + return sprintf(buf, "%s\n", name); +} + +static ssize_t show_class(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct hci_dev *hdev = dev_get_drvdata(dev); + return sprintf(buf, "0x%.2x%.2x%.2x\n", + hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]); +} + static ssize_t show_address(struct device *dev, struct device_attribute *attr, char *buf) { struct hci_dev *hdev = dev_get_drvdata(dev); @@ -49,6 +71,17 @@ static ssize_t show_address(struct device *dev, struct device_attribute *attr, c return sprintf(buf, "%s\n", batostr(&bdaddr)); } +static ssize_t show_features(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct hci_dev *hdev = dev_get_drvdata(dev); + + return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n", + hdev->features[0], hdev->features[1], + hdev->features[2], hdev->features[3], + hdev->features[4], hdev->features[5], + hdev->features[6], hdev->features[7]); +} + static ssize_t show_manufacturer(struct device *dev, struct device_attribute *attr, char *buf) { struct hci_dev *hdev = dev_get_drvdata(dev); @@ -170,7 +203,10 @@ static ssize_t store_sniff_min_interval(struct device *dev, struct device_attrib } static DEVICE_ATTR(type, S_IRUGO, show_type, NULL); +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); +static DEVICE_ATTR(class, S_IRUGO, show_class, NULL); static DEVICE_ATTR(address, S_IRUGO, show_address, NULL); +static DEVICE_ATTR(features, S_IRUGO, show_features, NULL); 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); @@ -185,7 +221,10 @@ static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR, static struct device_attribute *bt_attrs[] = { &dev_attr_type, + &dev_attr_name, + &dev_attr_class, &dev_attr_address, + &dev_attr_features, &dev_attr_manufacturer, &dev_attr_hci_version, &dev_attr_hci_revision, @@ -242,6 +281,8 @@ static void add_conn(struct work_struct *work) struct hci_conn *conn = container_of(work, struct hci_conn, work); int i; + flush_workqueue(btdelconn); + if (device_add(&conn->dev) < 0) { BT_ERR("Failed to register connection device"); return; @@ -276,13 +317,37 @@ void hci_conn_add_sysfs(struct hci_conn *conn) INIT_WORK(&conn->work, add_conn); - schedule_work(&conn->work); + queue_work(btaddconn, &conn->work); +} + +/* + * The rfcomm tty device will possibly retain even when conn + * is down, and sysfs doesn't support move zombie device, + * so we should move the device before conn device is destroyed. + */ +static int __match_tty(struct device *dev, void *data) +{ + return !strncmp(dev->bus_id, "rfcomm", 6); } static void del_conn(struct work_struct *work) { struct hci_conn *conn = container_of(work, struct hci_conn, work); + struct hci_dev *hdev = conn->hdev; + + while (1) { + struct device *dev; + + dev = device_find_child(&conn->dev, NULL, __match_tty); + if (!dev) + break; + device_move(dev, NULL); + put_device(dev); + } + device_del(&conn->dev); + put_device(&conn->dev); + hci_dev_put(hdev); } void hci_conn_del_sysfs(struct hci_conn *conn) @@ -294,7 +359,7 @@ void hci_conn_del_sysfs(struct hci_conn *conn) INIT_WORK(&conn->work, del_conn); - schedule_work(&conn->work); + queue_work(btdelconn, &conn->work); } int hci_register_sysfs(struct hci_dev *hdev) @@ -343,28 +408,54 @@ int __init bt_sysfs_init(void) { int err; + btaddconn = create_singlethread_workqueue("btaddconn"); + if (!btaddconn) { + err = -ENOMEM; + goto out; + } + + btdelconn = create_singlethread_workqueue("btdelconn"); + if (!btdelconn) { + err = -ENOMEM; + goto out_del; + } + bt_platform = platform_device_register_simple("bluetooth", -1, NULL, 0); - if (IS_ERR(bt_platform)) - return PTR_ERR(bt_platform); + if (IS_ERR(bt_platform)) { + err = PTR_ERR(bt_platform); + goto out_platform; + } err = bus_register(&bt_bus); - if (err < 0) { - platform_device_unregister(bt_platform); - return err; - } + if (err < 0) + goto out_bus; bt_class = class_create(THIS_MODULE, "bluetooth"); if (IS_ERR(bt_class)) { - bus_unregister(&bt_bus); - platform_device_unregister(bt_platform); - return PTR_ERR(bt_class); + err = PTR_ERR(bt_class); + goto out_class; } return 0; + +out_class: + bus_unregister(&bt_bus); +out_bus: + platform_device_unregister(bt_platform); +out_platform: + destroy_workqueue(btdelconn); +out_del: + destroy_workqueue(btaddconn); +out: + return err; } void bt_sysfs_cleanup(void) { + destroy_workqueue(btaddconn); + + destroy_workqueue(btdelconn); + class_destroy(bt_class); bus_unregister(&bt_bus);