sys/net80211/ieee80211_scan.c

76 	 * If there's no scan method pointer, attach the
191 	const struct ieee80211_scanner *scan)
195 	scanners[mode] = scan;
200 	const struct ieee80211_scanner *scan)
204 	if (scanners[mode] == scan)
209 ieee80211_scanner_unregister_all(const struct ieee80211_scanner *scan)
214 		if (scanners[m] == scan)
228 	const struct ieee80211_scanner *scan)
236 	if (ss->ss_vap != vap || ss->ss_ops != scan) {
249 	if (ss->ss_ops != scan) {
252 		 * case where a single scan module implements multiple
253 		 * policies by using different scan ops but a common
258 		if (scan == NULL || ss->ss_ops == NULL ||
259 		    ss->ss_ops->scan_attach != scan->scan_attach) {
262 			if (scan != NULL && !scan->scan_attach(ss)) {
265 				scan = NULL;
268 		ss->ss_ops = scan;
295 	if_printf(vap->iv_ifp, "scan set ");
318  * Start a scan unless one is already going.
325 	const struct ieee80211_scanner *scan;
328 	scan = ieee80211_scanner_get(vap->iv_opmode);
329 	if (scan == NULL) {
337 	return ic->ic_scan_methods->sc_start_scan(scan, vap, flags, duration,
342  * Check the scan cache for an ap/channel to use; if that
343  * fails then kick off a new scan.
352 	const struct ieee80211_scanner *scan;
355 	scan = ieee80211_scanner_get(vap->iv_opmode);
356 	if (scan == NULL) {
365 	 * Check if there's a list of scan candidates already.
371 	    "%s: %s scan, %s%s%s%s%s\n"
381 	if (ss->ss_ops != scan) {
389 	ieee80211_scan_update_locked(vap, scan);
391 	result = ic->ic_scan_methods->sc_check_scan(scan, vap, flags, duration,
400  * Check the scan cache for an ap/channel to use; if that fails
401  * then kick off a scan using the current settings.
413  * Restart a previous scan.  If the previous scan completed
420 	const struct ieee80211_scanner *scan;
424 	scan = ieee80211_scanner_get(vap->iv_opmode);
425 	if (scan == NULL) {
438 	return (ic->ic_scan_methods->sc_bg_scan(scan, vap, flags));
442  * Cancel any scan currently going on for the specified vap.
453  * Cancel any scan currently going on.
456  * a scan so a newly arrived normal data packet can be sent.
480  * Manually stop a scan that is currently running.
481  * Provided for drivers that are not able to scan single channels
586  * Timeout/age scan cache entries; called from sta timeout
599  * Mark a scan cache entry after a successful associate.
614  * Demerit a scan cache entry after failing to associate.
630  * Iterate over the contents of the scan cache.
643  * Flush the contents of the scan cache.
657  * Check the scan cache for an ap/channel to use; if that
658  * fails then kick off a new scan.
673 		    "%s: scan module does not support picking a channel, "