ocb.rar_V2

/* * OCB mode implementation * * Copyright: (c) 2014 Czech Technical University in Prague * (c) 2014 Volkswagen Group Research * Author: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz> * Funded by: Volkswagen Group Research * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/ieee80211.h> #include <net/cfg80211.h> #include "nl80211.h" #include "core.h" #include "rdev-ops.h" int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev, struct net_device *dev, struct ocb_setup *setup) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; ASSERT_WDEV_LOCK(wdev); if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) return -EOPNOTSUPP; if (WARN_ON(!setup->chandef.chan)) return -EINVAL; err = rdev_join_ocb(rdev, dev, setup); if (!err) wdev->chandef = setup->chandef; return err; } int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, struct net_device *dev, struct ocb_setup *setup) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; wdev_lock(wdev); err = __cfg80211_join_ocb(rdev, dev, setup); wdev_unlock(wdev); return err; } int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, struct net_device *dev) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; ASSERT_WDEV_LOCK(wdev); if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) return -EOPNOTSUPP; if (!rdev->ops->leave_ocb) return -EOPNOTSUPP; err = rdev_leave_ocb(rdev, dev); if (!err) memset(&wdev->chandef, 0, sizeof(wdev->chandef)); return err; } int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, struct net_device *dev) { struct wireless_dev *wdev = dev->ieee80211_ptr; int err; wdev_lock(wdev); err = __cfg80211_leave_ocb(rdev, dev); wdev_unlock(wdev); return err; }