projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 6e0bd6c3 RL |
2 | /* |
| 3 | * OCB mode implementation | |
| 4 | * | |
| 5 | * Copyright: (c) 2014 Czech Technical University in Prague | |
| 6 | * (c) 2014 Volkswagen Group Research | |
| 7 | * Author: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz> | |
| 8 | * Funded by: Volkswagen Group Research | |
| 6e0bd6c3 RL |
9 | */ |
| 10 | ||
| 11 | #include <linux/ieee80211.h> | |
| 12 | #include <net/cfg80211.h> | |
| 13 | #include "nl80211.h" | |
| 14 | #include "core.h" | |
| 15 | #include "rdev-ops.h" | |
| 16 | ||
| 17 | int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
| 18 | struct net_device *dev, | |
| 19 | struct ocb_setup *setup) | |
| 20 | { | |
| 21 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 22 | int err; | |
| 23 | ||
| 24 | ASSERT_WDEV_LOCK(wdev); | |
| 25 | ||
| 26 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
| 27 | return -EOPNOTSUPP; | |
| 28 | ||
| 1b9df2d2 OO |
29 | if (!rdev->ops->join_ocb) |
| 30 | return -EOPNOTSUPP; | |
| 31 | ||
| 6e0bd6c3 RL |
32 | if (WARN_ON(!setup->chandef.chan)) |
| 33 | return -EINVAL; | |
| 34 | ||
| 35 | err = rdev_join_ocb(rdev, dev, setup); | |
| 36 | if (!err) | |
| 37 | wdev->chandef = setup->chandef; | |
| 38 | ||
| 39 | return err; | |
| 40 | } | |
| 41 | ||
| 42 | int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
| 43 | struct net_device *dev, | |
| 44 | struct ocb_setup *setup) | |
| 45 | { | |
| 46 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 47 | int err; | |
| 48 | ||
| 49 | wdev_lock(wdev); | |
| 50 | err = __cfg80211_join_ocb(rdev, dev, setup); | |
| 51 | wdev_unlock(wdev); | |
| 52 | ||
| 53 | return err; | |
| 54 | } | |
| 55 | ||
| 56 | int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
| 57 | struct net_device *dev) | |
| 58 | { | |
| 59 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 60 | int err; | |
| 61 | ||
| 62 | ASSERT_WDEV_LOCK(wdev); | |
| 63 | ||
| 64 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
| 65 | return -EOPNOTSUPP; | |
| 66 | ||
| 67 | if (!rdev->ops->leave_ocb) | |
| 68 | return -EOPNOTSUPP; | |
| 69 | ||
| 70 | err = rdev_leave_ocb(rdev, dev); | |
| 71 | if (!err) | |
| 72 | memset(&wdev->chandef, 0, sizeof(wdev->chandef)); | |
| 73 | ||
| 74 | return err; | |
| 75 | } | |
| 76 | ||
| 77 | int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
| 78 | struct net_device *dev) | |
| 79 | { | |
| 80 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 81 | int err; | |
| 82 | ||
| 83 | wdev_lock(wdev); | |
| 84 | err = __cfg80211_leave_ocb(rdev, dev); | |
| 85 | wdev_unlock(wdev); | |
| 86 | ||
| 87 | return err; | |
| 88 | } |