/* * * Wireless daemon for Linux * * Copyright (C) 2015-2019 Intel Corporation. All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ struct scan_freq_set; struct ie_rsn_info; struct ie_owe_transition_info; struct p2p_probe_resp; struct p2p_probe_req; struct p2p_beacon; struct mmpdu_header; struct wiphy; enum scan_band { SCAN_BAND_2_4_GHZ = 0x1, SCAN_BAND_5_GHZ = 0x2, }; enum scan_state { SCAN_STATE_NOT_RUNNING, SCAN_STATE_PASSIVE, SCAN_STATE_ACTIVE, }; enum scan_bss_frame_type { SCAN_BSS_PROBE_RESP, SCAN_BSS_PROBE_REQ, SCAN_BSS_BEACON, }; struct scan_bss { uint8_t addr[6]; uint32_t frequency; int32_t signal_strength; uint16_t capability; uint8_t *rsne; uint8_t *rsnxe; uint8_t *wpa; uint8_t *osen; uint8_t *wsc; /* Concatenated WSC IEs */ ssize_t wsc_size; /* Size of Concatenated WSC IEs */ enum scan_bss_frame_type source_frame; union { struct p2p_probe_resp *p2p_probe_resp_info; struct p2p_probe_req *p2p_probe_req_info; struct p2p_beacon *p2p_beacon_info; }; struct ie_owe_transition_info *owe_trans; uint8_t mde[3]; uint8_t ssid[32]; uint8_t ssid_len; uint8_t utilization; uint8_t cc[3]; uint16_t rank; uint64_t time_stamp; uint64_t data_rate; uint8_t hessid[6]; uint8_t *rc_ie; /* Roaming consortium IE */ uint8_t hs20_version; uint64_t parent_tsf; uint8_t *wfd; /* Concatenated WFD IEs */ ssize_t wfd_size; /* Size of Concatenated WFD IEs */ bool mde_present : 1; bool cc_present : 1; bool cap_rm_neighbor_report : 1; bool ht_capable : 1; bool vht_capable : 1; bool anqp_capable : 1; bool hs20_capable : 1; bool force_default_sae_group : 1; bool proxy_arp : 1; bool hs20_dgaf_disable : 1; uint8_t cost_level : 3; uint8_t cost_flags : 4; }; struct scan_parameters { const uint8_t *extra_ie; size_t extra_ie_size; struct scan_freq_set *freqs; uint16_t duration; bool flush : 1; bool randomize_mac_addr_hint : 1; bool no_cck_rates : 1; bool duration_mandatory : 1; const uint8_t *ssid; /* Used for direct probe request */ size_t ssid_len; const uint8_t *source_mac; }; typedef void (*scan_func_t)(struct l_genl_msg *msg, void *user_data); typedef void (*scan_trigger_func_t)(int, void *); typedef bool (*scan_notify_func_t)(int err, struct l_queue *bss_list, const struct scan_freq_set *freqs, void *userdata); typedef void (*scan_destroy_func_t)(void *userdata); typedef void (*scan_freq_set_func_t)(uint32_t freq, void *userdata); static inline int scan_bss_addr_cmp(const struct scan_bss *a1, const struct scan_bss *a2) { return memcmp(a1->addr, a2->addr, sizeof(a1->addr)); } static inline bool scan_bss_addr_eq(const struct scan_bss *a1, const struct scan_bss *a2) { return !memcmp(a1->addr, a2->addr, sizeof(a1->addr)); } struct l_genl_msg *scan_build_trigger_scan_bss(uint32_t ifindex, struct wiphy *wiphy, uint32_t frequency, const uint8_t *ssid, uint32_t ssid_len); uint32_t scan_passive(uint64_t wdev_id, struct scan_freq_set *freqs, scan_trigger_func_t trigger, scan_notify_func_t notify, void *userdata, scan_destroy_func_t destroy); uint32_t scan_passive_full(uint64_t wdev_id, const struct scan_parameters *params, scan_trigger_func_t trigger, scan_notify_func_t notify, void *userdata, scan_destroy_func_t destroy); uint32_t scan_active(uint64_t wdev_id, uint8_t *extra_ie, size_t extra_ie_size, scan_trigger_func_t trigger, scan_notify_func_t notify, void *userdata, scan_destroy_func_t destroy); uint32_t scan_active_full(uint64_t wdev_id, const struct scan_parameters *params, scan_trigger_func_t trigger, scan_notify_func_t notify, void *userdata, scan_destroy_func_t destroy); uint32_t scan_owe_hidden(uint64_t wdev_id, struct l_queue *list, scan_trigger_func_t trigger, scan_notify_func_t notify, void *userdata, scan_destroy_func_t destroy); bool scan_cancel(uint64_t wdev_id, uint32_t id); void scan_periodic_start(uint64_t wdev_id, scan_trigger_func_t trigger, scan_notify_func_t func, void *userdata); bool scan_periodic_stop(uint64_t wdev_id); uint64_t scan_get_triggered_time(uint64_t wdev_id, uint32_t id); bool scan_get_firmware_scan(uint64_t wdev_id, scan_notify_func_t notify, void *userdata, scan_destroy_func_t destroy); void scan_bss_free(struct scan_bss *bss); int scan_bss_rank_compare(const void *a, const void *b, void *user); int scan_bss_get_rsn_info(const struct scan_bss *bss, struct ie_rsn_info *info); struct scan_bss *scan_bss_new_from_probe_req(const struct mmpdu_header *mpdu, const uint8_t *body, size_t body_len, uint32_t frequency, int rssi); uint8_t scan_freq_to_channel(uint32_t freq, enum scan_band *out_band); uint32_t scan_channel_to_freq(uint8_t channel, enum scan_band band); enum scan_band scan_oper_class_to_band(const uint8_t *country, uint8_t oper_class); struct scan_freq_set *scan_freq_set_new(void); void scan_freq_set_free(struct scan_freq_set *freqs); bool scan_freq_set_add(struct scan_freq_set *freqs, uint32_t freq); bool scan_freq_set_contains(const struct scan_freq_set *freqs, uint32_t freq); uint32_t scan_freq_set_get_bands(struct scan_freq_set *freqs); void scan_freq_set_foreach(const struct scan_freq_set *freqs, scan_freq_set_func_t func, void *user_data); void scan_freq_set_merge(struct scan_freq_set *to, const struct scan_freq_set *from); void scan_freq_set_constrain(struct scan_freq_set *set, const struct scan_freq_set *constraint); bool scan_freq_set_isempty(const struct scan_freq_set *set); bool scan_wdev_add(uint64_t wdev_id); bool scan_wdev_remove(uint64_t wdev_id);