projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 60771780 MK |
1 | #include <linux/ieee80211.h> |
| 2 | #include <linux/export.h> | |
| 3 | #include <net/cfg80211.h> | |
| 4 | #include "nl80211.h" | |
| 5 | #include "core.h" | |
| e35e4d28 | 6 | #include "rdev-ops.h" |
| 60771780 MK |
7 | |
| 8 | ||
| 9 | static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, | |
| 10 | struct net_device *dev) | |
| 11 | { | |
| 12 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 13 | int err; | |
| 14 | ||
| 15 | ASSERT_WDEV_LOCK(wdev); | |
| 16 | ||
| 17 | if (!rdev->ops->stop_ap) | |
| 18 | return -EOPNOTSUPP; | |
| 19 | ||
| 20 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
| 21 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
| 22 | return -EOPNOTSUPP; | |
| 23 | ||
| 24 | if (!wdev->beacon_interval) | |
| 25 | return -ENOENT; | |
| 26 | ||
| e35e4d28 | 27 | err = rdev_stop_ap(rdev, dev); |
| f4489ebe | 28 | if (!err) { |
| 60771780 | 29 | wdev->beacon_interval = 0; |
| f4489ebe | 30 | wdev->channel = NULL; |
| 06e191e2 | 31 | wdev->ssid_len = 0; |
| f4489ebe | 32 | } |
| 60771780 MK |
33 | |
| 34 | return err; | |
| 35 | } | |
| 36 | ||
| 37 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, | |
| 38 | struct net_device *dev) | |
| 39 | { | |
| 40 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 41 | int err; | |
| 42 | ||
| 43 | wdev_lock(wdev); | |
| 44 | err = __cfg80211_stop_ap(rdev, dev); | |
| 45 | wdev_unlock(wdev); | |
| 46 | ||
| 47 | return err; | |
| 48 | } | |
| dfa674da JB |
49 | |
| 50 | void cfg80211_ch_switch_notify(struct net_device *dev, | |
| 51 | struct cfg80211_chan_def *chandef) | |
| 52 | { | |
| 53 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 54 | struct wiphy *wiphy = wdev->wiphy; | |
| 55 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
| 56 | ||
| 57 | trace_cfg80211_ch_switch_notify(dev, chandef); | |
| 58 | ||
| 59 | wdev_lock(wdev); | |
| 60 | ||
| 61 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
| 62 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) | |
| 63 | goto out; | |
| 64 | ||
| 65 | wdev->channel = chandef->chan; | |
| 66 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL); | |
| 67 | out: | |
| 68 | wdev_unlock(wdev); | |
| 69 | return; | |
| 70 | } | |
| 71 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
| 72 | ||
| 73 | bool cfg80211_rx_spurious_frame(struct net_device *dev, | |
| 74 | const u8 *addr, gfp_t gfp) | |
| 75 | { | |
| 76 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 77 | bool ret; | |
| 78 | ||
| 79 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
| 80 | ||
| 81 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
| 82 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
| 83 | trace_cfg80211_return_bool(false); | |
| 84 | return false; | |
| 85 | } | |
| 86 | ret = nl80211_unexpected_frame(dev, addr, gfp); | |
| 87 | trace_cfg80211_return_bool(ret); | |
| 88 | return ret; | |
| 89 | } | |
| 90 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); | |
| 91 | ||
| 92 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, | |
| 93 | const u8 *addr, gfp_t gfp) | |
| 94 | { | |
| 95 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
| 96 | bool ret; | |
| 97 | ||
| 98 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
| 99 | ||
| 100 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
| 101 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
| 102 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
| 103 | trace_cfg80211_return_bool(false); | |
| 104 | return false; | |
| 105 | } | |
| 106 | ret = nl80211_unexpected_4addr_frame(dev, addr, gfp); | |
| 107 | trace_cfg80211_return_bool(ret); | |
| 108 | return ret; | |
| 109 | } | |
| 110 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |