/* * All the USB notify logic * * (C) Copyright 2005 Greg Kroah-Hartman * * notifier functions originally based on those in kernel/sys.c * but fixed up to not be so broken. * * Released under the GPLv2 only. * SPDX-License-Identifier: GPL-2.0 */ #include #include #include #include #include #include "usb.h" static BLOCKING_NOTIFIER_HEAD(usb_notifier_list); /** * usb_register_notify - register a notifier callback whenever a usb change happens * @nb: pointer to the notifier block for the callback events. * * These changes are either USB devices or busses being added or removed. */ void usb_register_notify(struct notifier_block *nb) { blocking_notifier_chain_register(&usb_notifier_list, nb); } EXPORT_SYMBOL_GPL(usb_register_notify); /** * usb_unregister_notify - unregister a notifier callback * @nb: pointer to the notifier block for the callback events. * * usb_register_notify() must have been previously called for this function * to work properly. */ void usb_unregister_notify(struct notifier_block *nb) { blocking_notifier_chain_unregister(&usb_notifier_list, nb); } EXPORT_SYMBOL_GPL(usb_unregister_notify); void usb_notify_add_device(struct usb_device *udev) { blocking_notifier_call_chain(&usb_notifier_list, USB_DEVICE_ADD, udev); } void usb_notify_remove_device(struct usb_device *udev) { /* Protect against simultaneous usbfs open */ mutex_lock(&usbfs_mutex); blocking_notifier_call_chain(&usb_notifier_list, USB_DEVICE_REMOVE, udev); mutex_unlock(&usbfs_mutex); } void usb_notify_add_bus(struct usb_bus *ubus) { blocking_notifier_call_chain(&usb_notifier_list, USB_BUS_ADD, ubus); } void usb_notify_remove_bus(struct usb_bus *ubus) { blocking_notifier_call_chain(&usb_notifier_list, USB_BUS_REMOVE, ubus); } e/include/net/ip_tunnels.h?h=nds-private-remove&id=fd263fb6e718c5bdf35cbc1de4f781c71794d2a4'>treecommitdiff
path: root/include/net/ip_tunnels.h
AgeCommit message (Expand)AuthorFilesLines
2017-02-03ip_tunnels: new IP_TUNNEL_INFO_BRIDGE flag for ip_tunnel_info modeRoopa Prabhu1-0/+1