projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 6e0bd6c3 RL |
1 | /* |
| 2 | * OCB mode implementation | |
| 3 | * | |
| 4 | * Copyright: (c) 2014 Czech Technical University in Prague | |
| 5 | * (c) 2014 Volkswagen Group Research | |
| 6 | * Author: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz> | |
| 7 | * Funded by: Volkswagen Group Research | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU General Public License version 2 as | |
| 11 | * published by the Free Software Foundation. | |
| 12 | */ | |
| 13 | ||
| 14 | #include <linux/ieee80211.h> | |
| 15 | #include <net/cfg80211.h> | |
| 16 | #include "nl80211.h" | |
| 17 | #include "core.h" | |
| 18 | #include "rdev-ops.h" | |
| 19 | ||
| 20 | int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
| 21 | struct net_device *dev, | |
| 22 | struct ocb_setup *setup) | |
| 23 | { | |
| 24 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 25 | int err; | |
| 26 | ||
| 27 | ASSERT_WDEV_LOCK(wdev); | |
| 28 | ||
| 29 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
| 30 | return -EOPNOTSUPP; | |
| 31 | ||
| 1b9df2d2 OO |
32 | if (!rdev->ops->join_ocb) |
| 33 | return -EOPNOTSUPP; | |
| 34 | ||
| 6e0bd6c3 RL |
35 | if (WARN_ON(!setup->chandef.chan)) |
| 36 | return -EINVAL; | |
| 37 | ||
| 38 | err = rdev_join_ocb(rdev, dev, setup); | |
| 39 | if (!err) | |
| 40 | wdev->chandef = setup->chandef; | |
| 41 | ||
| 42 | return err; | |
| 43 | } | |
| 44 | ||
| 45 | int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
| 46 | struct net_device *dev, | |
| 47 | struct ocb_setup *setup) | |
| 48 | { | |
| 49 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 50 | int err; | |
| 51 | ||
| 52 | wdev_lock(wdev); | |
| 53 | err = __cfg80211_join_ocb(rdev, dev, setup); | |
| 54 | wdev_unlock(wdev); | |
| 55 | ||
| 56 | return err; | |
| 57 | } | |
| 58 | ||
| 59 | int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
| 60 | struct net_device *dev) | |
| 61 | { | |
| 62 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 63 | int err; | |
| 64 | ||
| 65 | ASSERT_WDEV_LOCK(wdev); | |
| 66 | ||
| 67 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
| 68 | return -EOPNOTSUPP; | |
| 69 | ||
| 70 | if (!rdev->ops->leave_ocb) | |
| 71 | return -EOPNOTSUPP; | |
| 72 | ||
| 73 | err = rdev_leave_ocb(rdev, dev); | |
| 74 | if (!err) | |
| 75 | memset(&wdev->chandef, 0, sizeof(wdev->chandef)); | |
| 76 | ||
| 77 | return err; | |
| 78 | } | |
| 79 | ||
| 80 | int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
| 81 | struct net_device *dev) | |
| 82 | { | |
| 83 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 84 | int err; | |
| 85 | ||
| 86 | wdev_lock(wdev); | |
| 87 | err = __cfg80211_leave_ocb(rdev, dev); | |
| 88 | wdev_unlock(wdev); | |
| 89 | ||
| 90 | return err; | |
| 91 | } |