2f195639ec
On receiving a WNM BSS Transition Management Request frame with a candidate list, fetch the latest scan results from the kernel to see if there are any recent scan results for the candidates and initiate a connection if found. This helps to avoid triggering a new scan in cases where a scan initiated by something else (e.g., an internal beacon measurement report functionality in a driver) has processed Beacon or Probe Response frames without wpa_supplicant having received a notification of such an update yet. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
60 lines
2.6 KiB
C
60 lines
2.6 KiB
C
/*
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* WPA Supplicant - Scanning
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* Copyright (c) 2003-2014, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef SCAN_H
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#define SCAN_H
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int wpa_supplicant_enabled_networks(struct wpa_supplicant *wpa_s);
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void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
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int wpa_supplicant_delayed_sched_scan(struct wpa_supplicant *wpa_s,
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int sec, int usec);
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int wpa_supplicant_req_sched_scan(struct wpa_supplicant *wpa_s);
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void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
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void wpa_supplicant_cancel_delayed_sched_scan(struct wpa_supplicant *wpa_s);
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void wpa_supplicant_cancel_sched_scan(struct wpa_supplicant *wpa_s);
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void wpa_supplicant_notify_scanning(struct wpa_supplicant *wpa_s,
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int scanning);
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struct wpa_driver_scan_params;
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int wpa_supplicant_trigger_scan(struct wpa_supplicant *wpa_s,
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struct wpa_driver_scan_params *params);
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struct wpa_scan_results *
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wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s,
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struct scan_info *info, int new_scan);
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int wpa_supplicant_update_scan_results(struct wpa_supplicant *wpa_s);
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const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie);
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const u8 * wpa_scan_get_vendor_ie(const struct wpa_scan_res *res,
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u32 vendor_type);
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const u8 * wpa_scan_get_vendor_ie_beacon(const struct wpa_scan_res *res,
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u32 vendor_type);
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struct wpabuf * wpa_scan_get_vendor_ie_multi(const struct wpa_scan_res *res,
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u32 vendor_type);
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int wpa_supplicant_filter_bssid_match(struct wpa_supplicant *wpa_s,
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const u8 *bssid);
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void wpa_supplicant_update_scan_int(struct wpa_supplicant *wpa_s, int sec);
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void scan_only_handler(struct wpa_supplicant *wpa_s,
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struct wpa_scan_results *scan_res);
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int wpas_scan_scheduled(struct wpa_supplicant *wpa_s);
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struct wpa_driver_scan_params *
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wpa_scan_clone_params(const struct wpa_driver_scan_params *src);
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void wpa_scan_free_params(struct wpa_driver_scan_params *params);
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int wpas_start_pno(struct wpa_supplicant *wpa_s);
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int wpas_stop_pno(struct wpa_supplicant *wpa_s);
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void wpas_mac_addr_rand_scan_clear(struct wpa_supplicant *wpa_s,
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unsigned int type);
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int wpas_mac_addr_rand_scan_set(struct wpa_supplicant *wpa_s,
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unsigned int type, const u8 *addr,
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const u8 *mask);
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int wpas_abort_ongoing_scan(struct wpa_supplicant *wpa_s);
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void filter_scan_res(struct wpa_supplicant *wpa_s,
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struct wpa_scan_results *res);
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void scan_snr(struct wpa_scan_res *res);
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void scan_est_throughput(struct wpa_supplicant *wpa_s,
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struct wpa_scan_res *res);
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#endif /* SCAN_H */
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