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fragattacks/wpa_supplicant/sme.h

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Add SME support (separate authentication and association) This can be used, e.g., with mac80211-based Linux drivers with nl80211. This allows over-the-air FT protocol to be used (IEEE 802.11r). Since the nl80211 interface needed for this is very recent (added today into wireless-testing.git), driver_nl80211.c has backwards compatibility code that uses WEXT for association if the kernel does not support the new commands. This compatibility code can be disabled by defining NO_WEXT_COMPAT. That code will also be removed at some point to clean up driver_nl80211.c.
2009-03-20 16:26:41 -04:00
/*
* wpa_supplicant - SME
FT: Request reassociation after successful FT Action frame exchange
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* Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
Add SME support (separate authentication and association) This can be used, e.g., with mac80211-based Linux drivers with nl80211. This allows over-the-air FT protocol to be used (IEEE 802.11r). Since the nl80211 interface needed for this is very recent (added today into wireless-testing.git), driver_nl80211.c has backwards compatibility code that uses WEXT for association if the kernel does not support the new commands. This compatibility code can be disabled by defining NO_WEXT_COMPAT. That code will also be removed at some point to clean up driver_nl80211.c.
2009-03-20 16:26:41 -04:00
*
Remove the GPL notification from files contributed by Jouni Malinen Remove the GPL notification text from the files that were initially contributed by myself. Signed-hostap: Jouni Malinen <j@w1.fi>
2012-02-11 09:46:35 -05:00
* This software may be distributed under the terms of the BSD license.
* See README for more details.
Add SME support (separate authentication and association) This can be used, e.g., with mac80211-based Linux drivers with nl80211. This allows over-the-air FT protocol to be used (IEEE 802.11r). Since the nl80211 interface needed for this is very recent (added today into wireless-testing.git), driver_nl80211.c has backwards compatibility code that uses WEXT for association if the kernel does not support the new commands. This compatibility code can be disabled by defining NO_WEXT_COMPAT. That code will also be removed at some point to clean up driver_nl80211.c.
2009-03-20 16:26:41 -04:00
*/
#ifndef SME_H
#define SME_H
#ifdef CONFIG_SME
void sme_authenticate(struct wpa_supplicant *wpa_s,
Use BSS table entry instead of raw scan result for connection
2010-01-02 09:16:02 -05:00
struct wpa_bss *bss, struct wpa_ssid *ssid);
FT: Request reassociation after successful FT Action frame exchange
2010-03-13 10:14:41 -05:00
void sme_associate(struct wpa_supplicant *wpa_s, enum wpas_mode mode,
const u8 *bssid, u16 auth_type);
Add SME support (separate authentication and association) This can be used, e.g., with mac80211-based Linux drivers with nl80211. This allows over-the-air FT protocol to be used (IEEE 802.11r). Since the nl80211 interface needed for this is very recent (added today into wireless-testing.git), driver_nl80211.c has backwards compatibility code that uses WEXT for association if the kernel does not support the new commands. This compatibility code can be disabled by defining NO_WEXT_COMPAT. That code will also be removed at some point to clean up driver_nl80211.c.
2009-03-20 16:26:41 -04:00
void sme_event_auth(struct wpa_supplicant *wpa_s, union wpa_event_data *data);
int sme_update_ft_ies(struct wpa_supplicant *wpa_s, const u8 *md,
const u8 *ies, size_t ies_len);
SME: Add processing for rejected associations
2009-04-01 10:10:36 -04:00
void sme_event_assoc_reject(struct wpa_supplicant *wpa_s,
union wpa_event_data *data);
Add handling of SME auth/assoc timeout events This allows wpa_supplicant to start searching for other APs (or re-try) if the MLME times out.
2009-04-23 17:08:24 -04:00
void sme_event_auth_timed_out(struct wpa_supplicant *wpa_s,
union wpa_event_data *data);
void sme_event_assoc_timed_out(struct wpa_supplicant *wpa_s,
union wpa_event_data *data);
SME: Deauthenticate to clear state after disassociation events cfg80211/mac80211 can get into somewhat confused state if the AP only disassociates us and leaves us in authenticated state. For now, force the state to be cleared with deauthentication to avoid confusing errors if we try to associate with the AP again. This gets rid of 30 second delay (scan timeout) in cases where only a disassociation frame is received from the AP.
2009-12-02 10:26:28 -05:00
void sme_event_disassoc(struct wpa_supplicant *wpa_s,
Clean up wpa_supplicant_event() with deauth/disassoc helper functions wpa_supplicant_event() has grown overly large, so it is useful to split it into smaller pieces. Signed-hostap: Jouni Malinen <j@w1.fi>
2013-07-21 09:40:40 -04:00
struct disassoc_info *info);
Use SA Query procedure to recovery from AP/STA state mismatch If a station received unprotected Deauthentication or Disassociation frame with reason code 6 or 7 from the current AP, there may be a mismatch in association state between the AP and STA. Verify whether this is the case by using SA Query procedure. If not response is received from the AP, deauthenticate. This implementation is only for user space SME with driver_nl80211.c.
2010-12-19 04:58:00 -05:00
void sme_event_unprot_disconnect(struct wpa_supplicant *wpa_s, const u8 *sa,
const u8 *da, u16 reason_code);
void sme_sa_query_rx(struct wpa_supplicant *wpa_s, const u8 *sa,
const u8 *data, size_t len);
SME: Add timers for authentication and asscoiation mac80211 authentication or association operation may get stuck for some reasons, so wpa_supplicant better use an internal timer to recover from this. Signed-off-by: Ben Greear <greearb@candelatech.com>
2011-02-24 09:59:46 -05:00
void sme_state_changed(struct wpa_supplicant *wpa_s);
void sme_disassoc_while_authenticating(struct wpa_supplicant *wpa_s,
const u8 *prev_pending_bssid);
void sme_deinit(struct wpa_supplicant *wpa_s);
Add SME support (separate authentication and association) This can be used, e.g., with mac80211-based Linux drivers with nl80211. This allows over-the-air FT protocol to be used (IEEE 802.11r). Since the nl80211 interface needed for this is very recent (added today into wireless-testing.git), driver_nl80211.c has backwards compatibility code that uses WEXT for association if the kernel does not support the new commands. This compatibility code can be disabled by defining NO_WEXT_COMPAT. That code will also be removed at some point to clean up driver_nl80211.c.
2009-03-20 16:26:41 -04:00
Add handling of OBSS scan requests and 20/40 BSS coex reports Add support for HT STA to report 40 MHz intolerance to the associated AP. A HT station generates a report (20/40 BSS coexistence) of channel list if it finds a non-HT capable AP or a HT AP which prohibits 40 MHz transmission (i.e., 40 MHz intolerant bit is set in HT capabilities IE) from the scan results. Parse the OBSS scan parameter from Beacon or Probe Response frames and schedule periodic scan to generate 20/40 coexistence channel report if requested to do so. This patch decodes Scan Interval alone from the OBSS Scan Parameters element and triggers scan on timeout. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2012-05-03 05:13:43 -04:00
int sme_proc_obss_scan(struct wpa_supplicant *wpa_s);
void sme_sched_obss_scan(struct wpa_supplicant *wpa_s, int enable);
Add SME support (separate authentication and association) This can be used, e.g., with mac80211-based Linux drivers with nl80211. This allows over-the-air FT protocol to be used (IEEE 802.11r). Since the nl80211 interface needed for this is very recent (added today into wireless-testing.git), driver_nl80211.c has backwards compatibility code that uses WEXT for association if the kernel does not support the new commands. This compatibility code can be disabled by defining NO_WEXT_COMPAT. That code will also be removed at some point to clean up driver_nl80211.c.
2009-03-20 16:26:41 -04:00
#else /* CONFIG_SME */
static inline void sme_authenticate(struct wpa_supplicant *wpa_s,
Use BSS table entry instead of raw scan result for connection
2010-01-02 09:16:02 -05:00
struct wpa_bss *bss,
Add SME support (separate authentication and association) This can be used, e.g., with mac80211-based Linux drivers with nl80211. This allows over-the-air FT protocol to be used (IEEE 802.11r). Since the nl80211 interface needed for this is very recent (added today into wireless-testing.git), driver_nl80211.c has backwards compatibility code that uses WEXT for association if the kernel does not support the new commands. This compatibility code can be disabled by defining NO_WEXT_COMPAT. That code will also be removed at some point to clean up driver_nl80211.c.
2009-03-20 16:26:41 -04:00
struct wpa_ssid *ssid)
{
}
static inline void sme_event_auth(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
{
}
static inline int sme_update_ft_ies(struct wpa_supplicant *wpa_s, const u8 *md,
const u8 *ies, size_t ies_len)
{
return -1;
}
SME: Add processing for rejected associations
2009-04-01 10:10:36 -04:00
static inline void sme_event_assoc_reject(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
{
}
Add handling of SME auth/assoc timeout events This allows wpa_supplicant to start searching for other APs (or re-try) if the MLME times out.
2009-04-23 17:08:24 -04:00
static inline void sme_event_auth_timed_out(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
{
}
static inline void sme_event_assoc_timed_out(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
{
}
SME: Deauthenticate to clear state after disassociation events cfg80211/mac80211 can get into somewhat confused state if the AP only disassociates us and leaves us in authenticated state. For now, force the state to be cleared with deauthentication to avoid confusing errors if we try to associate with the AP again. This gets rid of 30 second delay (scan timeout) in cases where only a disassociation frame is received from the AP.
2009-12-02 10:26:28 -05:00
static inline void sme_event_disassoc(struct wpa_supplicant *wpa_s,
Clean up wpa_supplicant_event() with deauth/disassoc helper functions wpa_supplicant_event() has grown overly large, so it is useful to split it into smaller pieces. Signed-hostap: Jouni Malinen <j@w1.fi>
2013-07-21 09:40:40 -04:00
struct disassoc_info *info)
SME: Deauthenticate to clear state after disassociation events cfg80211/mac80211 can get into somewhat confused state if the AP only disassociates us and leaves us in authenticated state. For now, force the state to be cleared with deauthentication to avoid confusing errors if we try to associate with the AP again. This gets rid of 30 second delay (scan timeout) in cases where only a disassociation frame is received from the AP.
2009-12-02 10:26:28 -05:00
{
}
Use SA Query procedure to recovery from AP/STA state mismatch If a station received unprotected Deauthentication or Disassociation frame with reason code 6 or 7 from the current AP, there may be a mismatch in association state between the AP and STA. Verify whether this is the case by using SA Query procedure. If not response is received from the AP, deauthenticate. This implementation is only for user space SME with driver_nl80211.c.
2010-12-19 04:58:00 -05:00
static inline void sme_event_unprot_disconnect(struct wpa_supplicant *wpa_s,
const u8 *sa, const u8 *da,
u16 reason_code)
{
}
SME: Add timers for authentication and asscoiation mac80211 authentication or association operation may get stuck for some reasons, so wpa_supplicant better use an internal timer to recover from this. Signed-off-by: Ben Greear <greearb@candelatech.com>
2011-02-24 09:59:46 -05:00
static inline void sme_state_changed(struct wpa_supplicant *wpa_s)
{
}
static inline void
sme_disassoc_while_authenticating(struct wpa_supplicant *wpa_s,
const u8 *prev_pending_bssid)
{
}
static inline void sme_deinit(struct wpa_supplicant *wpa_s)
{
}
Add handling of OBSS scan requests and 20/40 BSS coex reports Add support for HT STA to report 40 MHz intolerance to the associated AP. A HT station generates a report (20/40 BSS coexistence) of channel list if it finds a non-HT capable AP or a HT AP which prohibits 40 MHz transmission (i.e., 40 MHz intolerant bit is set in HT capabilities IE) from the scan results. Parse the OBSS scan parameter from Beacon or Probe Response frames and schedule periodic scan to generate 20/40 coexistence channel report if requested to do so. This patch decodes Scan Interval alone from the OBSS Scan Parameters element and triggers scan on timeout. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2012-05-03 05:13:43 -04:00
static inline int sme_proc_obss_scan(struct wpa_supplicant *wpa_s)
{
return 0;
}
static inline void sme_sched_obss_scan(struct wpa_supplicant *wpa_s,
int enable)
{
}
Add SME support (separate authentication and association) This can be used, e.g., with mac80211-based Linux drivers with nl80211. This allows over-the-air FT protocol to be used (IEEE 802.11r). Since the nl80211 interface needed for this is very recent (added today into wireless-testing.git), driver_nl80211.c has backwards compatibility code that uses WEXT for association if the kernel does not support the new commands. This compatibility code can be disabled by defining NO_WEXT_COMPAT. That code will also be removed at some point to clean up driver_nl80211.c.
2009-03-20 16:26:41 -04:00
#endif /* CONFIG_SME */
#endif /* SME_H */
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