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fragattacks/wpa_supplicant/scan.h

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Move wpa_supplicant specific scan code away from src/drivers This fits better in wpa_supplicant/scan.c. Couple of remaining scan_helpers.c functions are currently used in driver wrappers, but they can likely be removed in the future.
2010-01-03 11:48:11 -05:00
/*
* WPA Supplicant - Scanning
Add helper functions for cloning and freeing scan parameters Signed-hostap: Jouni Malinen <j@w1.fi>
2014-01-03 02:48:00 -05:00
* Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
Move wpa_supplicant specific scan code away from src/drivers This fits better in wpa_supplicant/scan.c. Couple of remaining scan_helpers.c functions are currently used in driver wrappers, but they can likely be removed in the future.
2010-01-03 11:48:11 -05:00
*
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.
Move wpa_supplicant specific scan code away from src/drivers This fits better in wpa_supplicant/scan.c. Couple of remaining scan_helpers.c functions are currently used in driver wrappers, but they can likely be removed in the future.
2010-01-03 11:48:11 -05:00
*/
#ifndef SCAN_H
#define SCAN_H
Validate WEP key lengths based on driver capabilities The nl80211 driver interface does not allow 128-bit WEP to be used without a vendor specific cipher suite and no such suite is defined for this purpose. Do not accept WEP key length 16 for nl80211 driver interface forn ow. wext-interface can still try to use these for backwards compatibility. Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2012-05-10 07:34:46 -04:00
int wpa_supplicant_enabled_networks(struct wpa_supplicant *wpa_s);
Move wpa_supplicant specific scan code away from src/drivers This fits better in wpa_supplicant/scan.c. Couple of remaining scan_helpers.c functions are currently used in driver wrappers, but they can likely be removed in the future.
2010-01-03 11:48:11 -05:00
void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
Add delayed scheduled scan request When initializing, the scheduled scan code was being called before everything is ready. With normal scans, the first scan round is delayed, so the initialization is finished by the time it really starts. Add a function that can be used to request a delayed scheduled scan. The scan will only start after the specified time has elapsed. Call this function instead of starting the scheduled scan directly during driver initialization. Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-09-27 15:21:38 -04:00
int wpa_supplicant_delayed_sched_scan(struct wpa_supplicant *wpa_s,
int sec, int usec);
Add scheduled scan driver operations In new Linux kernel versions (>=3.0), nl80211 adds scheduled scan capability. In order to use this feature to its full extent, we need to support it in the wpa_supplicant core, so that it can also be used by other drivers. This commit adds initial scheduled scan support operations and events. Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-09-27 15:21:29 -04:00
int wpa_supplicant_req_sched_scan(struct wpa_supplicant *wpa_s);
Move wpa_supplicant specific scan code away from src/drivers This fits better in wpa_supplicant/scan.c. Couple of remaining scan_helpers.c functions are currently used in driver wrappers, but they can likely be removed in the future.
2010-01-03 11:48:11 -05:00
void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
Cancel delayed scheduled scan when wpa_supplicant cleans up Because a delayed scheduled scan will access the members of struct wpa_supplicant which is freed and this can result in a crash, wpa_supplicant needs to cancel delayed scheduled scan during cleanups. Signed-hostap: Chengyi Zhao <chengyix.zhao@gmail.com>
2013-07-20 10:47:02 -04:00
void wpa_supplicant_cancel_delayed_sched_scan(struct wpa_supplicant *wpa_s);
Add scheduled scan driver operations In new Linux kernel versions (>=3.0), nl80211 adds scheduled scan capability. In order to use this feature to its full extent, we need to support it in the wpa_supplicant core, so that it can also be used by other drivers. This commit adds initial scheduled scan support operations and events. Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-09-27 15:21:29 -04:00
void wpa_supplicant_cancel_sched_scan(struct wpa_supplicant *wpa_s);
Move wpa_supplicant specific scan code away from src/drivers This fits better in wpa_supplicant/scan.c. Couple of remaining scan_helpers.c functions are currently used in driver wrappers, but they can likely be removed in the future.
2010-01-03 11:48:11 -05:00
void wpa_supplicant_notify_scanning(struct wpa_supplicant *wpa_s,
int scanning);
struct wpa_driver_scan_params;
int wpa_supplicant_trigger_scan(struct wpa_supplicant *wpa_s,
struct wpa_driver_scan_params *params);
struct wpa_scan_results *
wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s,
struct scan_info *info, int new_scan);
int wpa_supplicant_update_scan_results(struct wpa_supplicant *wpa_s);
Remove src/drivers/scan_helpers.c Most of this file was already moved into wpa_supplicant/scan.c and we can remove the file completely by having couple of small helper functions copied to the remaining users outside core wpa_supplicant code.
2010-01-03 13:27:32 -05:00
const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie);
Move wpa_supplicant specific scan code away from src/drivers This fits better in wpa_supplicant/scan.c. Couple of remaining scan_helpers.c functions are currently used in driver wrappers, but they can likely be removed in the future.
2010-01-03 11:48:11 -05:00
const u8 * wpa_scan_get_vendor_ie(const struct wpa_scan_res *res,
u32 vendor_type);
P2P: Allow GO to be discovered based on Beacon frame This fixes some P2P-join-a-group cases where GO may have been discovered based on passive scan or non-P2P scan. P2P IEs may have been received from a Beacon frame in such a case and that information can be used to create a P2P peer entry, e.g., to allow provision discovery exchange to be completed. Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-10-14 12:25:28 -04:00
const u8 * wpa_scan_get_vendor_ie_beacon(const struct wpa_scan_res *res,
u32 vendor_type);
Move wpa_supplicant specific scan code away from src/drivers This fits better in wpa_supplicant/scan.c. Couple of remaining scan_helpers.c functions are currently used in driver wrappers, but they can likely be removed in the future.
2010-01-03 11:48:11 -05:00
struct wpabuf * wpa_scan_get_vendor_ie_multi(const struct wpa_scan_res *res,
u32 vendor_type);
Add BSSID filter for testing purposes wpa_supplicant can now be configured to filter out scan results based on a BSSID filter. Space-separated set of allowed BSSIDs can be set with wpa_cli set bssid_filter command. Filtering mechanism can be disabled by setting this variable to an empty list. When set, only the BSSes that have a matching entry in this list will be accepted from scan results. Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2012-02-16 09:30:13 -05:00
int wpa_supplicant_filter_bssid_match(struct wpa_supplicant *wpa_s,
const u8 *bssid);
Update scan interval gracefully When the scan interval is changed the new interval is effective after the old interval timer fires off one last time. This can cause an unacceptable long delay when updating the interval. Change this behaviour to use MIN(left of old interval, new interval) for the scan interval following the interval change. Signed-hostap: Pontus Fuchs <pontus.fuchs@gmail.com>
2013-02-03 11:14:05 -05:00
void wpa_supplicant_update_scan_int(struct wpa_supplicant *wpa_s, int sec);
Add 'SCAN TYPE=ONLY' functionality Usual manual scan request may cause reassociation due to several reasons. New command is intended to perform pure scan without taking any automatic action based on the results. Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
2013-02-07 11:06:51 -05:00
void scan_only_handler(struct wpa_supplicant *wpa_s,
struct wpa_scan_results *scan_res);
P2P: Postpone P2P scan only if station mode scan is pending sta_scan_pending was supposed to be accurate enough for determining whether a P2P scan needs to be postponed. However, it has turned out that there were cases where sta_scan_pending was not cleared properly. While the known cases have now been addressed, it is possible that some other cases may still exist. To avoid issues with P2P operationg getting stuck, verify more carefully that there is a real pending station mode scan (either in progress or scheduled to be requested). Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
2013-03-18 11:11:15 -04:00
int wpas_scan_scheduled(struct wpa_supplicant *wpa_s);
Handle legacy scan interruption of sched_scan/PNO While starting from PNO start context, the scheduled scan was not setting the flag wpa_s->scanning. This was resulting in the subsequent SCAN command to proceed further and send command to nl80211/cfg80211. The expected behavior of cancelling sched_scan was not happening here. While sched_scan is in progress and a legacy scan comes on the cli/socket, the sched_scan is cancelled and normal scan is allowed to continue. However, sometimes sched_scan cancelled event comes a bit delayed and we will send out the scan command before the wpa_s->scanning is cleared. Instead, reschedule the incoming scan req if the wpa_s->scanning shows that it is still in progress. Signed-hostap: Jithu Jance <jithu@broadcom.com>
2013-10-17 02:26:02 -04:00
int wpa_supplicant_start_sched_scan(struct wpa_supplicant *wpa_s,
Add support for configuring scheduled scan plans Add the option to configure scheduled scan plans in the config file. Each scan plan specifies the interval between scans and the number of scan iterations. The last plan will run infinitely and thus specifies only the interval between scan iterations. usage: sched_scan_plans=<interval:iterations> <interval2:iterations2> ... <interval> Signed-off-by: Avraham Stern <avraham.stern@intel.com>
2015-11-17 08:08:24 -05:00
struct wpa_driver_scan_params *params);
Handle legacy scan interruption of sched_scan/PNO While starting from PNO start context, the scheduled scan was not setting the flag wpa_s->scanning. This was resulting in the subsequent SCAN command to proceed further and send command to nl80211/cfg80211. The expected behavior of cancelling sched_scan was not happening here. While sched_scan is in progress and a legacy scan comes on the cli/socket, the sched_scan is cancelled and normal scan is allowed to continue. However, sometimes sched_scan cancelled event comes a bit delayed and we will send out the scan command before the wpa_s->scanning is cleared. Instead, reschedule the incoming scan req if the wpa_s->scanning shows that it is still in progress. Signed-hostap: Jithu Jance <jithu@broadcom.com>
2013-10-17 02:26:02 -04:00
int wpa_supplicant_stop_sched_scan(struct wpa_supplicant *wpa_s);
Add helper functions for cloning and freeing scan parameters Signed-hostap: Jouni Malinen <j@w1.fi>
2014-01-03 02:48:00 -05:00
struct wpa_driver_scan_params *
wpa_scan_clone_params(const struct wpa_driver_scan_params *src);
void wpa_scan_free_params(struct wpa_driver_scan_params *params);
PNO: Move and rename pno_start()/pno_stop() Move pno_start() and pno_stop() to scan.c as a more relevant location and rename them to wpas_start_pno()/wpas_stop_pno(). Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Ilan Peer <ilan.peer@intel.com>
2014-02-26 01:04:10 -05:00
int wpas_start_pno(struct wpa_supplicant *wpa_s);
int wpas_stop_pno(struct wpa_supplicant *wpa_s);
Move wpa_supplicant specific scan code away from src/drivers This fits better in wpa_supplicant/scan.c. Couple of remaining scan_helpers.c functions are currently used in driver wrappers, but they can likely be removed in the future.
2010-01-03 11:48:11 -05:00
scan: Add MAC address randomization in scan handling 1. Supported MAC address randomization for scan. 2. Supported MAC address randomization for scheduled scan. 2. Supported MAC address randomization for pno. 4. Add functions to set and clear the MAC address randomization state variables. Signed-off-by: Ilan Peer <ilan.peer@intel.com>
2014-12-29 01:41:06 -05:00
void wpas_mac_addr_rand_scan_clear(struct wpa_supplicant *wpa_s,
unsigned int type);
int wpas_mac_addr_rand_scan_set(struct wpa_supplicant *wpa_s,
unsigned int type, const u8 *addr,
const u8 *mask);
Abort an ongoing scan before connect Connect radio work is sometimes delayed for a considerable duration if there is an ongoing scan radio work. To avoid these delays abort the ongoing scan on that interface before queuing a connect request. Upon a scan done indication from the driver, connect radio work will be scheduled. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2015-10-19 10:00:34 -04:00
int wpas_abort_ongoing_scan(struct wpa_supplicant *wpa_s);
scan: Add MAC address randomization in scan handling 1. Supported MAC address randomization for scan. 2. Supported MAC address randomization for scheduled scan. 2. Supported MAC address randomization for pno. 4. Add functions to set and clear the MAC address randomization state variables. Signed-off-by: Ilan Peer <ilan.peer@intel.com>
2014-12-29 01:41:06 -05:00
Move wpa_supplicant specific scan code away from src/drivers This fits better in wpa_supplicant/scan.c. Couple of remaining scan_helpers.c functions are currently used in driver wrappers, but they can likely be removed in the future.
2010-01-03 11:48:11 -05:00
#endif /* SCAN_H */
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