blob: c00d4a792319f4a25c9a07cd431d8f7b943ec5e2 [file] [log] [blame]
Rostislav Lisovy6e0bd6c2014-11-03 10:33:18 +01001/*
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
20int __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
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
42int 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
56int __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
77int 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}