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88 lines
1.8 KiB
88 lines
1.8 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* OCB mode implementation |
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* |
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* Copyright: (c) 2014 Czech Technical University in Prague |
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* (c) 2014 Volkswagen Group Research |
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* Author: Rostislav Lisovy <[email protected]> |
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* Funded by: Volkswagen Group Research |
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*/ |
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#include <linux/ieee80211.h> |
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#include <net/cfg80211.h> |
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#include "nl80211.h" |
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#include "core.h" |
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#include "rdev-ops.h" |
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int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev, |
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struct net_device *dev, |
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struct ocb_setup *setup) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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int err; |
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ASSERT_WDEV_LOCK(wdev); |
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if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) |
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return -EOPNOTSUPP; |
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if (!rdev->ops->join_ocb) |
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return -EOPNOTSUPP; |
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if (WARN_ON(!setup->chandef.chan)) |
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return -EINVAL; |
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err = rdev_join_ocb(rdev, dev, setup); |
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if (!err) |
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wdev->chandef = setup->chandef; |
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return err; |
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} |
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int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, |
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struct net_device *dev, |
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struct ocb_setup *setup) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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int err; |
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wdev_lock(wdev); |
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err = __cfg80211_join_ocb(rdev, dev, setup); |
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wdev_unlock(wdev); |
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return err; |
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} |
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int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, |
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struct net_device *dev) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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int err; |
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ASSERT_WDEV_LOCK(wdev); |
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if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) |
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return -EOPNOTSUPP; |
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if (!rdev->ops->leave_ocb) |
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return -EOPNOTSUPP; |
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err = rdev_leave_ocb(rdev, dev); |
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if (!err) |
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memset(&wdev->chandef, 0, sizeof(wdev->chandef)); |
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return err; |
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} |
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int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, |
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struct net_device *dev) |
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{ |
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struct wireless_dev *wdev = dev->ieee80211_ptr; |
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int err; |
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wdev_lock(wdev); |
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err = __cfg80211_leave_ocb(rdev, dev); |
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wdev_unlock(wdev); |
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return err; |
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}
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