static void wpas_trigger_scan_cb(struct wpa_radio_work *work, int deinit)
{
struct wpa_supplicant *wpa_s = work->wpa_s;
struct wpa_driver_scan_params *params = work->ctx;
int ret;
if (deinit) {
wpa_scan_free_params(params);
return;
}
wpa_supplicant_notify_scanning(wpa_s, 1);
if (wpa_s->clear_driver_scan_cache)
params->only_new_results = 1;
ret = wpa_drv_scan(wpa_s, params);
wpa_scan_free_params(params);
work->ctx = NULL;
if (ret) {
wpa_supplicant_notify_scanning(wpa_s, 0);
wpas_notify_scan_done(wpa_s, 0);
radio_work_done(work);
return;
}
os_get_reltime(&wpa_s->scan_trigger_time);
wpa_s->scan_runs++;
wpa_s->normal_scans++;
wpa_s->own_scan_requested = 1;
wpa_s->clear_driver_scan_cache = 0;
wpa_s->scan_work = work;
}
/**
* scan_only_handler - Reports scan results
*/
void scan_only_handler(struct wpa_supplicant *wpa_s,
struct wpa_scan_results *scan_res)
{
wpa_dbg(wpa_s, MSG_DEBUG, "Scan-only results received");
wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
wpas_notify_scan_results(wpa_s);
wpas_notify_scan_done(wpa_s, 1);
}
int wpa_supplicant_trigger_scan(struct wpa_supplicant *wpa_s,
struct wpa_driver_scan_params *params)
{
int ret;
wpa_supplicant_notify_scanning(wpa_s, 1);
ret = wpa_drv_scan(wpa_s, params);
if (ret) {
wpa_supplicant_notify_scanning(wpa_s, 0);
wpas_notify_scan_done(wpa_s, 0);
} else
wpa_s->scan_runs++;
return ret;
}
int wpa_supplicant_trigger_scan(struct wpa_supplicant *wpa_s,
struct wpa_driver_scan_params *params)
{
int ret;
wpa_supplicant_notify_scanning(wpa_s, 1);
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
ret = ieee80211_sta_req_scan(wpa_s, params);
else
ret = wpa_drv_scan(wpa_s, params);
if (ret) {
wpa_supplicant_notify_scanning(wpa_s, 0);
wpas_notify_scan_done(wpa_s, 0);
} else
wpa_s->scan_runs++;
return ret;
}
/**
* scan_only_handler - Reports scan results
*/
void scan_only_handler(struct wpa_supplicant *wpa_s,
struct wpa_scan_results *scan_res)
{
wpa_dbg(wpa_s, MSG_DEBUG, "Scan-only results received");
if (wpa_s->last_scan_req == MANUAL_SCAN_REQ &&
wpa_s->manual_scan_use_id && wpa_s->own_scan_running) {
wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS "id=%u",
wpa_s->manual_scan_id);
wpa_s->manual_scan_use_id = 0;
} else {
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->scan_work) {
struct wpa_radio_work *work = wpa_s->scan_work;
wpa_s->scan_work = NULL;
radio_work_done(work);
}
}
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);
ros_scan_completed(wpa_s, scan_res);
if (scan_res == NULL) {
if (wpa_s->conf->ap_scan == 2)
return;
wpa_printf(MSG_DEBUG, "Failed to get scan results - don't bother 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;
}
/*
* 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;
wpa_s->more_bss_to_try = 1;
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_s->more_bss_to_try = 0;
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 = 1;
int timeout_usec = 0;
wpa_supplicant_req_new_scan(wpa_s, timeout_sec,
timeout_usec);
}
} */
}