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net/wireless/ocb.c
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// SPDX-License-Identifier: GPL-2.0-only |
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/* * 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 |
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*/ #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; |
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if (!rdev->ops->join_ocb) return -EOPNOTSUPP; |
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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; } |