61 static void bss_free(struct cfg80211_internal_bss *bss)  in bss_free()  argument
65 	if (WARN_ON(atomic_read(&bss->hold)))  in bss_free()
68 	ies = (void *)rcu_access_pointer(bss->pub.beacon_ies);  in bss_free()
69 	if (ies && !bss->pub.hidden_beacon_bss)  in bss_free()
71 	ies = (void *)rcu_access_pointer(bss->pub.proberesp_ies);  in bss_free()
79 	if (!list_empty(&bss->hidden_list))  in bss_free()
80 		list_del(&bss->hidden_list);  in bss_free()
82 	kfree(bss);  in bss_free()
86 			       struct cfg80211_internal_bss *bss)  in bss_ref_get()  argument
90 	bss->refcount++;  in bss_ref_get()
91 	if (bss->pub.hidden_beacon_bss) {  in bss_ref_get()
92 		bss = container_of(bss->pub.hidden_beacon_bss,  in bss_ref_get()
95 		bss->refcount++;  in bss_ref_get()
100 			       struct cfg80211_internal_bss *bss)  in bss_ref_put()  argument
104 	if (bss->pub.hidden_beacon_bss) {  in bss_ref_put()
106 		hbss = container_of(bss->pub.hidden_beacon_bss,  in bss_ref_put()
113 	bss->refcount--;  in bss_ref_put()
114 	if (bss->refcount == 0)  in bss_ref_put()
115 		bss_free(bss);  in bss_ref_put()
119 				  struct cfg80211_internal_bss *bss)  in __cfg80211_unlink_bss()  argument
123 	if (!list_empty(&bss->hidden_list)) {  in __cfg80211_unlink_bss()
128 		if (!bss->pub.hidden_beacon_bss)  in __cfg80211_unlink_bss()
134 		list_del_init(&bss->hidden_list);  in __cfg80211_unlink_bss()
137 	list_del_init(&bss->list);  in __cfg80211_unlink_bss()
138 	rb_erase(&bss->rbn, &rdev->bss_tree);  in __cfg80211_unlink_bss()
139 	bss_ref_put(rdev, bss);  in __cfg80211_unlink_bss()
146 	struct cfg80211_internal_bss *bss, *tmp;  in __cfg80211_bss_expire()  local
151 	list_for_each_entry_safe(bss, tmp, &rdev->bss_list, list) {  in __cfg80211_bss_expire()
152 		if (atomic_read(&bss->hold))  in __cfg80211_bss_expire()
154 		if (!time_after(expire_time, bss->ts))  in __cfg80211_bss_expire()
157 		if (__cfg80211_unlink_bss(rdev, bss))  in __cfg80211_bss_expire()
340 	struct cfg80211_internal_bss *bss;  in cfg80211_bss_age()  local
344 	list_for_each_entry(bss, &rdev->bss_list, list)  in cfg80211_bss_age()
345 		bss->ts -= age_jiffies;  in cfg80211_bss_age()
589 	struct cfg80211_internal_bss *bss, *res = NULL;  in cfg80211_get_bss()  local
598 	list_for_each_entry(bss, &rdev->bss_list, list) {  in cfg80211_get_bss()
599 		if (!cfg80211_bss_type_match(bss->pub.capability,  in cfg80211_get_bss()
600 					     bss->pub.channel->band, bss_type))  in cfg80211_get_bss()
603 		bss_privacy = (bss->pub.capability & WLAN_CAPABILITY_PRIVACY);  in cfg80211_get_bss()
607 		if (channel && bss->pub.channel != channel)  in cfg80211_get_bss()
609 		if (!is_valid_ether_addr(bss->pub.bssid))  in cfg80211_get_bss()
612 		if (time_after(now, bss->ts + IEEE80211_SCAN_RESULT_EXPIRE) &&  in cfg80211_get_bss()
613 		    !atomic_read(&bss->hold))  in cfg80211_get_bss()
615 		if (is_bss(&bss->pub, bssid, ssid, ssid_len)) {  in cfg80211_get_bss()
616 			res = bss;  in cfg80211_get_bss()
631 			  struct cfg80211_internal_bss *bss)  in rb_insert_bss()  argument
642 		cmp = cmp_bss(&bss->pub, &tbss->pub, BSS_CMP_REGULAR);  in rb_insert_bss()
655 	rb_link_node(&bss->rbn, parent, p);  in rb_insert_bss()
656 	rb_insert_color(&bss->rbn, &rdev->bss_tree);  in rb_insert_bss()
665 	struct cfg80211_internal_bss *bss;  in rb_find_bss()  local
669 		bss = rb_entry(n, struct cfg80211_internal_bss, rbn);  in rb_find_bss()
670 		r = cmp_bss(&res->pub, &bss->pub, mode);  in rb_find_bss()
673 			return bss;  in rb_find_bss()
687 	struct cfg80211_internal_bss *bss;  in cfg80211_combine_bsses()  local
713 	list_for_each_entry(bss, &rdev->bss_list, list) {  in cfg80211_combine_bsses()
714 		if (!ether_addr_equal(bss->pub.bssid, new->pub.bssid))  in cfg80211_combine_bsses()
716 		if (bss->pub.channel != new->pub.channel)  in cfg80211_combine_bsses()
718 		if (bss->pub.scan_width != new->pub.scan_width)  in cfg80211_combine_bsses()
720 		if (rcu_access_pointer(bss->pub.beacon_ies))  in cfg80211_combine_bsses()
722 		ies = rcu_access_pointer(bss->pub.ies);  in cfg80211_combine_bsses()
730 		if (WARN_ON_ONCE(bss->pub.hidden_beacon_bss))  in cfg80211_combine_bsses()
732 		if (WARN_ON_ONCE(!list_empty(&bss->hidden_list)))  in cfg80211_combine_bsses()
733 			list_del(&bss->hidden_list);  in cfg80211_combine_bsses()
735 		list_add(&bss->hidden_list, &new->hidden_list);  in cfg80211_combine_bsses()
736 		bss->pub.hidden_beacon_bss = &new->pub;  in cfg80211_combine_bsses()
737 		new->refcount += bss->refcount;  in cfg80211_combine_bsses()
738 		rcu_assign_pointer(bss->pub.beacon_ies,  in cfg80211_combine_bsses()
784 			struct cfg80211_internal_bss *bss;  in cfg80211_bss_update()  local
817 			list_for_each_entry(bss, &found->hidden_list,  in cfg80211_bss_update()
821 				ies = rcu_access_pointer(bss->pub.beacon_ies);  in cfg80211_bss_update()
824 				rcu_assign_pointer(bss->pub.beacon_ies,  in cfg80211_bss_update()
1110 	struct cfg80211_internal_bss *bss;  in cfg80211_ref_bss()  local
1115 	bss = container_of(pub, struct cfg80211_internal_bss, pub);  in cfg80211_ref_bss()
1118 	bss_ref_get(rdev, bss);  in cfg80211_ref_bss()
1126 	struct cfg80211_internal_bss *bss;  in cfg80211_put_bss()  local
1131 	bss = container_of(pub, struct cfg80211_internal_bss, pub);  in cfg80211_put_bss()
1134 	bss_ref_put(rdev, bss);  in cfg80211_put_bss()
1142 	struct cfg80211_internal_bss *bss;  in cfg80211_unlink_bss()  local
1147 	bss = container_of(pub, struct cfg80211_internal_bss, pub);  in cfg80211_unlink_bss()
1150 	if (!list_empty(&bss->list)) {  in cfg80211_unlink_bss()
1151 		if (__cfg80211_unlink_bss(rdev, bss))  in cfg80211_unlink_bss()
1361 	      struct cfg80211_internal_bss *bss, char *current_ev,  in ieee80211_bss()  argument
1375 	memcpy(iwe.u.ap_addr.sa_data, bss->pub.bssid, ETH_ALEN);  in ieee80211_bss()
1383 	iwe.u.freq.m = ieee80211_frequency_to_channel(bss->pub.channel->center_freq);  in ieee80211_bss()
1392 	iwe.u.freq.m = bss->pub.channel->center_freq;  in ieee80211_bss()
1407 			sig = bss->pub.signal / 100;  in ieee80211_bss()
1418 			iwe.u.qual.level = bss->pub.signal;  in ieee80211_bss()
1420 			iwe.u.qual.qual = bss->pub.signal;  in ieee80211_bss()
1435 	if (bss->pub.capability & WLAN_CAPABILITY_PRIVACY)  in ieee80211_bss()
1446 	ies = rcu_dereference(bss->pub.ies);  in ieee80211_bss()
1576 	if (bss->pub.capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS) ||  in ieee80211_bss()
1582 		else if (bss->pub.capability & WLAN_CAPABILITY_ESS)  in ieee80211_bss()
1604 		elapsed_jiffies_msecs(bss->ts));  in ieee80211_bss()
1625 	struct cfg80211_internal_bss *bss;  in ieee80211_scan_results()  local
1631 	list_for_each_entry(bss, &rdev->bss_list, list) {  in ieee80211_scan_results()
1636 		current_ev = ieee80211_bss(&rdev->wiphy, info, bss,  in ieee80211_scan_results()