1 // SPDX-License-Identifier: GPL-2.0-only <<
2 /* 1 /*
3 * OCB mode implementation 2 * OCB mode implementation
4 * 3 *
5 * Copyright: (c) 2014 Czech Technical Univers 4 * Copyright: (c) 2014 Czech Technical University in Prague
6 * (c) 2014 Volkswagen Group Resear 5 * (c) 2014 Volkswagen Group Research
7 * Copyright (C) 2022-2023 Intel Corporation <<
8 * Author: Rostislav Lisovy <rostislav.liso 6 * Author: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz>
9 * Funded by: Volkswagen Group Research 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.
10 */ 12 */
11 13
12 #include <linux/ieee80211.h> 14 #include <linux/ieee80211.h>
13 #include <net/cfg80211.h> 15 #include <net/cfg80211.h>
14 #include "nl80211.h" 16 #include "nl80211.h"
15 #include "core.h" 17 #include "core.h"
16 #include "rdev-ops.h" 18 #include "rdev-ops.h"
17 19
18 int cfg80211_join_ocb(struct cfg80211_register !! 20 int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
19 struct net_device *dev, !! 21 struct net_device *dev,
20 struct ocb_setup *setup) !! 22 struct ocb_setup *setup)
21 { 23 {
22 struct wireless_dev *wdev = dev->ieee8 24 struct wireless_dev *wdev = dev->ieee80211_ptr;
23 int err; 25 int err;
24 26
25 lockdep_assert_wiphy(wdev->wiphy); !! 27 ASSERT_WDEV_LOCK(wdev);
26 28
27 if (dev->ieee80211_ptr->iftype != NL80 29 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
28 return -EOPNOTSUPP; 30 return -EOPNOTSUPP;
29 31
30 if (!rdev->ops->join_ocb) 32 if (!rdev->ops->join_ocb)
31 return -EOPNOTSUPP; 33 return -EOPNOTSUPP;
32 34
33 if (WARN_ON(!setup->chandef.chan)) 35 if (WARN_ON(!setup->chandef.chan))
34 return -EINVAL; 36 return -EINVAL;
35 37
36 err = rdev_join_ocb(rdev, dev, setup); 38 err = rdev_join_ocb(rdev, dev, setup);
37 if (!err) 39 if (!err)
38 wdev->u.ocb.chandef = setup->c !! 40 wdev->chandef = setup->chandef;
39 41
40 return err; 42 return err;
41 } 43 }
42 44
43 int cfg80211_leave_ocb(struct cfg80211_registe !! 45 int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
44 struct net_device *dev) !! 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)
45 { 61 {
46 struct wireless_dev *wdev = dev->ieee8 62 struct wireless_dev *wdev = dev->ieee80211_ptr;
47 int err; 63 int err;
48 64
49 lockdep_assert_wiphy(wdev->wiphy); !! 65 ASSERT_WDEV_LOCK(wdev);
50 66
51 if (dev->ieee80211_ptr->iftype != NL80 67 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB)
52 return -EOPNOTSUPP; 68 return -EOPNOTSUPP;
53 69
54 if (!rdev->ops->leave_ocb) 70 if (!rdev->ops->leave_ocb)
55 return -EOPNOTSUPP; 71 return -EOPNOTSUPP;
56 72
57 if (!wdev->u.ocb.chandef.chan) <<
58 return -ENOTCONN; <<
59 <<
60 err = rdev_leave_ocb(rdev, dev); 73 err = rdev_leave_ocb(rdev, dev);
61 if (!err) 74 if (!err)
62 memset(&wdev->u.ocb.chandef, 0 !! 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);
63 89
64 return err; 90 return err;
65 } 91 }
66 92
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.