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d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
// 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 <rostislav.lisovy@fel.cvut.cz>
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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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