static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, union wpa_event_data *data) { struct wpa_bss *selected; struct wpa_ssid *ssid = NULL; struct wpa_scan_results *scan_res; int ap = 0; #ifdef CONFIG_AP if (wpa_s->ap_iface) ap = 1; #endif /* CONFIG_AP */ wpa_supplicant_notify_scanning(wpa_s, 0); scan_res = wpa_supplicant_get_scan_results(wpa_s, data ? &data->scan_info : NULL, 1); if (scan_res == NULL) { if (wpa_s->conf->ap_scan == 2 || ap) return; wpa_printf(MSG_DEBUG, "Failed to get scan results - try " "scanning again"); wpa_supplicant_req_new_scan(wpa_s, 1, 0); return; } if (wpa_s->scan_res_handler) { wpa_s->scan_res_handler(wpa_s, scan_res); wpa_s->scan_res_handler = NULL; wpa_scan_results_free(scan_res); return; } if (ap) { wpa_printf(MSG_DEBUG, "Ignore scan results in AP mode"); wpa_scan_results_free(scan_res); return; } wpa_printf(MSG_DEBUG, "New scan results available"); wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS); wpas_notify_scan_results(wpa_s); wpas_notify_scan_done(wpa_s, 1); if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) { wpa_scan_results_free(scan_res); return; } if (wpa_s->disconnected) { wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); wpa_scan_results_free(scan_res); return; } wpa_supplicant_rsn_preauth_scan_results(wpa_s, scan_res); selected = wpa_supplicant_pick_network(wpa_s, scan_res, &ssid); if (selected) { int skip; skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid, scan_res); wpa_scan_results_free(scan_res); if (skip) return; wpa_supplicant_connect(wpa_s, selected, ssid); } else { wpa_scan_results_free(scan_res); wpa_printf(MSG_DEBUG, "No suitable network found"); ssid = wpa_supplicant_pick_new_network(wpa_s); if (ssid) { wpa_printf(MSG_DEBUG, "Setup a new network"); wpa_supplicant_associate(wpa_s, NULL, ssid); } else { int timeout_sec = 5; int timeout_usec = 0; #ifdef CONFIG_P2P if (wpa_s->p2p_in_provisioning) { /* * Use shorter wait during P2P Provisioning * state to speed up group formation. */ timeout_sec = 0; timeout_usec = 250000; } #endif /* CONFIG_P2P */ wpa_supplicant_req_new_scan(wpa_s, timeout_sec, timeout_usec); } } }
static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s, union wpa_event_data *data) { struct wpa_bss *selected; struct wpa_ssid *ssid = NULL; struct wpa_scan_results *scan_res; wpa_supplicant_notify_scanning(wpa_s, 0); scan_res = wpa_supplicant_get_scan_results(wpa_s, data ? &data->scan_info : NULL, 1); if (scan_res == NULL) { if (wpa_s->conf->ap_scan == 2) return; wpa_printf(MSG_DEBUG, "Failed to get scan results - try " "scanning again"); wpa_supplicant_req_new_scan(wpa_s, 1); return; } /* * Don't post the results if this was the initial cached * and there were no results. */ if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1 && scan_res->num == 0) { wpa_msg(wpa_s, MSG_DEBUG, "Cached scan results are " "empty - not posting"); } else { wpa_printf(MSG_DEBUG, "New scan results available"); wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS); wpas_notify_scan_results(wpa_s); } wpas_notify_scan_done(wpa_s, 1); if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) { wpa_scan_results_free(scan_res); return; } if (wpa_s->disconnected) { wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED); wpa_scan_results_free(scan_res); return; } if (bgscan_notify_scan(wpa_s) == 1) { wpa_scan_results_free(scan_res); return; } wpa_supplicant_rsn_preauth_scan_results(wpa_s, scan_res); selected = wpa_supplicant_pick_network(wpa_s, scan_res, &ssid); if (selected) { int skip; skip = !wpa_supplicant_need_to_roam(wpa_s, selected, ssid, scan_res); wpa_scan_results_free(scan_res); if (skip) return; wpa_supplicant_connect(wpa_s, selected, ssid); } else { wpa_scan_results_free(scan_res); wpa_printf(MSG_DEBUG, "No suitable network found"); ssid = wpa_supplicant_pick_new_network(wpa_s); if (ssid) { wpa_printf(MSG_DEBUG, "Setup a new network"); wpa_supplicant_associate(wpa_s, NULL, ssid); } else wpa_supplicant_req_new_scan(wpa_s, 5); } }