linux/net/wireless/nl80211.h
Jouni Malinen cf4e594ea7 nl80211: Add notification for dropped Deauth/Disassoc
Add a new notification to indicate that a received, unprotected
Deauthentication or Disassociation frame was dropped due to
management frame protection being in use. This notification is
needed to allow user space (e.g., wpa_supplicant) to implement
SA Query procedure to recover from association state mismatch
between an AP and STA.

This is needed to avoid getting stuck in non-working state when MFP
(IEEE 802.11w) is used and a protected Deauthentication or
Disassociation frame is dropped for any reason. After that, the
station would silently discard any unprotected Deauthentication or
Disassociation frame that could be indicating that the AP does not
have association for the STA (when the Reason Code would be 6 or 7).
IEEE Std 802.11w-2009, 11.13 describes this recovery mechanism.

Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-16 15:22:30 -05:00

101 lines
4.2 KiB
C

#ifndef __NET_WIRELESS_NL80211_H
#define __NET_WIRELESS_NL80211_H
#include "core.h"
int nl80211_init(void);
void nl80211_exit(void);
void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev);
void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
struct net_device *netdev);
void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
struct net_device *netdev);
void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
struct net_device *netdev);
void nl80211_send_reg_change_event(struct regulatory_request *request);
void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *buf, size_t len, gfp_t gfp);
void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *buf, size_t len, gfp_t gfp);
void nl80211_send_deauth(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *buf, size_t len, gfp_t gfp);
void nl80211_send_disassoc(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *buf, size_t len, gfp_t gfp);
void nl80211_send_unprot_deauth(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *buf, size_t len, gfp_t gfp);
void nl80211_send_unprot_disassoc(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *buf, size_t len, gfp_t gfp);
void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *addr, gfp_t gfp);
void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
const u8 *addr, gfp_t gfp);
void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *bssid,
const u8 *req_ie, size_t req_ie_len,
const u8 *resp_ie, size_t resp_ie_len,
u16 status, gfp_t gfp);
void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *bssid,
const u8 *req_ie, size_t req_ie_len,
const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp);
void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u16 reason,
const u8 *ie, size_t ie_len, bool from_ap);
void
nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *addr,
enum nl80211_key_type key_type,
int key_id, const u8 *tsc, gfp_t gfp);
void
nl80211_send_beacon_hint_event(struct wiphy *wiphy,
struct ieee80211_channel *channel_before,
struct ieee80211_channel *channel_after);
void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *bssid,
gfp_t gfp);
void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
u64 cookie,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int duration, gfp_t gfp);
void nl80211_send_remain_on_channel_cancel(
struct cfg80211_registered_device *rdev, struct net_device *netdev,
u64 cookie, struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type, gfp_t gfp);
void nl80211_send_sta_event(struct cfg80211_registered_device *rdev,
struct net_device *dev, const u8 *mac_addr,
struct station_info *sinfo, gfp_t gfp);
int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u32 nlpid, int freq,
const u8 *buf, size_t len, gfp_t gfp);
void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u64 cookie,
const u8 *buf, size_t len, bool ack,
gfp_t gfp);
void
nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev,
enum nl80211_cqm_rssi_threshold_event rssi_event,
gfp_t gfp);
void
nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *peer,
u32 num_packets, gfp_t gfp);
#endif /* __NET_WIRELESS_NL80211_H */