62 update_vlan_tailroom_need_count(struct ieee80211_sub_if_data *sdata, int delta)  in update_vlan_tailroom_need_count()  argument
66 	if (sdata->vif.type != NL80211_IFTYPE_AP)  in update_vlan_tailroom_need_count()
70 	assert_key_lock(sdata->local);  in update_vlan_tailroom_need_count()
74 	list_for_each_entry_rcu(vlan, &sdata->u.ap.vlans, u.vlan.list)  in update_vlan_tailroom_need_count()
80 static void increment_tailroom_need_count(struct ieee80211_sub_if_data *sdata)  in increment_tailroom_need_count()  argument
101 	assert_key_lock(sdata->local);  in increment_tailroom_need_count()
103 	update_vlan_tailroom_need_count(sdata, 1);  in increment_tailroom_need_count()
105 	if (!sdata->crypto_tx_tailroom_needed_cnt++) {  in increment_tailroom_need_count()
114 static void decrease_tailroom_need_count(struct ieee80211_sub_if_data *sdata,  in decrease_tailroom_need_count()  argument
117 	assert_key_lock(sdata->local);  in decrease_tailroom_need_count()
119 	WARN_ON_ONCE(sdata->crypto_tx_tailroom_needed_cnt < delta);  in decrease_tailroom_need_count()
121 	update_vlan_tailroom_need_count(sdata, -delta);  in decrease_tailroom_need_count()
122 	sdata->crypto_tx_tailroom_needed_cnt -= delta;  in decrease_tailroom_need_count()
127 	struct ieee80211_sub_if_data *sdata;  in ieee80211_key_enable_hw_accel()  local
163 	sdata = key->sdata;  in ieee80211_key_enable_hw_accel()
164 	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {  in ieee80211_key_enable_hw_accel()
173 	ret = drv_set_key(key->local, SET_KEY, sdata,  in ieee80211_key_enable_hw_accel()
181 			decrease_tailroom_need_count(sdata, 1);  in ieee80211_key_enable_hw_accel()
190 		sdata_err(sdata,  in ieee80211_key_enable_hw_accel()
221 	struct ieee80211_sub_if_data *sdata;  in ieee80211_key_disable_hw_accel()  local
236 	sdata = key->sdata;  in ieee80211_key_disable_hw_accel()
240 		increment_tailroom_need_count(sdata);  in ieee80211_key_disable_hw_accel()
242 	ret = drv_set_key(key->local, DISABLE_KEY, sdata,  in ieee80211_key_disable_hw_accel()
246 		sdata_err(sdata,  in ieee80211_key_disable_hw_accel()
254 static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata,  in __ieee80211_set_default_key()  argument
259 	assert_key_lock(sdata->local);  in __ieee80211_set_default_key()
262 		key = key_mtx_dereference(sdata->local, sdata->keys[idx]);  in __ieee80211_set_default_key()
265 		rcu_assign_pointer(sdata->default_unicast_key, key);  in __ieee80211_set_default_key()
266 		drv_set_default_unicast_key(sdata->local, sdata, idx);  in __ieee80211_set_default_key()
270 		rcu_assign_pointer(sdata->default_multicast_key, key);  in __ieee80211_set_default_key()
272 	ieee80211_debugfs_key_update_default(sdata);  in __ieee80211_set_default_key()
275 void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx,  in ieee80211_set_default_key()  argument
278 	mutex_lock(&sdata->local->key_mtx);  in ieee80211_set_default_key()
279 	__ieee80211_set_default_key(sdata, idx, uni, multi);  in ieee80211_set_default_key()
280 	mutex_unlock(&sdata->local->key_mtx);  in ieee80211_set_default_key()
284 __ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata, int idx)  in __ieee80211_set_default_mgmt_key()  argument
288 	assert_key_lock(sdata->local);  in __ieee80211_set_default_mgmt_key()
292 		key = key_mtx_dereference(sdata->local, sdata->keys[idx]);  in __ieee80211_set_default_mgmt_key()
294 	rcu_assign_pointer(sdata->default_mgmt_key, key);  in __ieee80211_set_default_mgmt_key()
296 	ieee80211_debugfs_key_update_default(sdata);  in __ieee80211_set_default_mgmt_key()
299 void ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata,  in ieee80211_set_default_mgmt_key()  argument
302 	mutex_lock(&sdata->local->key_mtx);  in ieee80211_set_default_mgmt_key()
303 	__ieee80211_set_default_mgmt_key(sdata, idx);  in ieee80211_set_default_mgmt_key()
304 	mutex_unlock(&sdata->local->key_mtx);  in ieee80211_set_default_mgmt_key()
308 static void ieee80211_key_replace(struct ieee80211_sub_if_data *sdata,  in ieee80211_key_replace()  argument
322 		list_add_tail(&new->list, &sdata->key_list);  in ieee80211_key_replace()
341 			old == key_mtx_dereference(sdata->local,  in ieee80211_key_replace()
342 						sdata->default_unicast_key);  in ieee80211_key_replace()
344 			old == key_mtx_dereference(sdata->local,  in ieee80211_key_replace()
345 						sdata->default_multicast_key);  in ieee80211_key_replace()
347 			old == key_mtx_dereference(sdata->local,  in ieee80211_key_replace()
348 						sdata->default_mgmt_key);  in ieee80211_key_replace()
351 			__ieee80211_set_default_key(sdata, -1, true, false);  in ieee80211_key_replace()
353 			__ieee80211_set_default_key(sdata, -1, false, true);  in ieee80211_key_replace()
355 			__ieee80211_set_default_mgmt_key(sdata, -1);  in ieee80211_key_replace()
357 		rcu_assign_pointer(sdata->keys[idx], new);  in ieee80211_key_replace()
359 			__ieee80211_set_default_key(sdata, new->conf.keyidx,  in ieee80211_key_replace()
362 			__ieee80211_set_default_key(sdata, new->conf.keyidx,  in ieee80211_key_replace()
365 			__ieee80211_set_default_mgmt_key(sdata,  in ieee80211_key_replace()
568 		struct ieee80211_sub_if_data *sdata = key->sdata;  in __ieee80211_key_destroy()  local
574 			sdata->crypto_tx_tailroom_pending_dec++;  in __ieee80211_key_destroy()
575 			schedule_delayed_work(&sdata->dec_tailroom_needed_wk,  in __ieee80211_key_destroy()
578 			decrease_tailroom_need_count(sdata, 1);  in __ieee80211_key_destroy()
602 	WARN_ON(key->sdata || key->local);  in ieee80211_key_free_unused()
607 		       struct ieee80211_sub_if_data *sdata,  in ieee80211_key_link()  argument
610 	struct ieee80211_local *local = sdata->local;  in ieee80211_key_link()
617 	key->local = sdata->local;  in ieee80211_key_link()
618 	key->sdata = sdata;  in ieee80211_key_link()
621 	mutex_lock(&sdata->local->key_mtx);  in ieee80211_key_link()
624 		old_key = key_mtx_dereference(sdata->local, sta->ptk[idx]);  in ieee80211_key_link()
626 		old_key = key_mtx_dereference(sdata->local, sta->gtk[idx]);  in ieee80211_key_link()
628 		old_key = key_mtx_dereference(sdata->local, sdata->keys[idx]);  in ieee80211_key_link()
630 	increment_tailroom_need_count(sdata);  in ieee80211_key_link()
632 	ieee80211_key_replace(sdata, sta, pairwise, old_key, key);  in ieee80211_key_link()
645 	mutex_unlock(&sdata->local->key_mtx);  in ieee80211_key_link()
658 	if (key->sdata)  in ieee80211_key_free()
659 		ieee80211_key_replace(key->sdata, key->sta,  in ieee80211_key_free()
665 void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata)  in ieee80211_enable_keys()  argument
672 	if (WARN_ON(!ieee80211_sdata_running(sdata)))  in ieee80211_enable_keys()
675 	mutex_lock(&sdata->local->key_mtx);  in ieee80211_enable_keys()
677 	WARN_ON_ONCE(sdata->crypto_tx_tailroom_needed_cnt ||  in ieee80211_enable_keys()
678 		     sdata->crypto_tx_tailroom_pending_dec);  in ieee80211_enable_keys()
680 	if (sdata->vif.type == NL80211_IFTYPE_AP) {  in ieee80211_enable_keys()
681 		list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)  in ieee80211_enable_keys()
686 	list_for_each_entry(key, &sdata->key_list, list) {  in ieee80211_enable_keys()
687 		increment_tailroom_need_count(sdata);  in ieee80211_enable_keys()
691 	mutex_unlock(&sdata->local->key_mtx);  in ieee80211_enable_keys()
694 void ieee80211_reset_crypto_tx_tailroom(struct ieee80211_sub_if_data *sdata)  in ieee80211_reset_crypto_tx_tailroom()  argument
698 	mutex_lock(&sdata->local->key_mtx);  in ieee80211_reset_crypto_tx_tailroom()
700 	sdata->crypto_tx_tailroom_needed_cnt = 0;  in ieee80211_reset_crypto_tx_tailroom()
702 	if (sdata->vif.type == NL80211_IFTYPE_AP) {  in ieee80211_reset_crypto_tx_tailroom()
703 		list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)  in ieee80211_reset_crypto_tx_tailroom()
707 	mutex_unlock(&sdata->local->key_mtx);  in ieee80211_reset_crypto_tx_tailroom()
721 	struct ieee80211_sub_if_data *sdata;  in ieee80211_iter_keys()  local
727 		sdata = vif_to_sdata(vif);  in ieee80211_iter_keys()
728 		list_for_each_entry_safe(key, tmp, &sdata->key_list, list)  in ieee80211_iter_keys()
729 			iter(hw, &sdata->vif,  in ieee80211_iter_keys()
733 		list_for_each_entry(sdata, &local->interfaces, list)  in ieee80211_iter_keys()
735 						 &sdata->key_list, list)  in ieee80211_iter_keys()
736 				iter(hw, &sdata->vif,  in ieee80211_iter_keys()
744 static void ieee80211_free_keys_iface(struct ieee80211_sub_if_data *sdata,  in ieee80211_free_keys_iface()  argument
749 	decrease_tailroom_need_count(sdata,  in ieee80211_free_keys_iface()
750 				     sdata->crypto_tx_tailroom_pending_dec);  in ieee80211_free_keys_iface()
751 	sdata->crypto_tx_tailroom_pending_dec = 0;  in ieee80211_free_keys_iface()
753 	ieee80211_debugfs_key_remove_mgmt_default(sdata);  in ieee80211_free_keys_iface()
755 	list_for_each_entry_safe(key, tmp, &sdata->key_list, list) {  in ieee80211_free_keys_iface()
756 		ieee80211_key_replace(key->sdata, key->sta,  in ieee80211_free_keys_iface()
762 	ieee80211_debugfs_key_update_default(sdata);  in ieee80211_free_keys_iface()
765 void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata,  in ieee80211_free_keys()  argument
768 	struct ieee80211_local *local = sdata->local;  in ieee80211_free_keys()
774 	cancel_delayed_work_sync(&sdata->dec_tailroom_needed_wk);  in ieee80211_free_keys()
778 	ieee80211_free_keys_iface(sdata, &keys);  in ieee80211_free_keys()
780 	if (sdata->vif.type == NL80211_IFTYPE_AP) {  in ieee80211_free_keys()
781 		list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)  in ieee80211_free_keys()
790 	if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {  in ieee80211_free_keys()
791 		if (sdata->bss) {  in ieee80211_free_keys()
792 			master = container_of(sdata->bss,  in ieee80211_free_keys()
796 			WARN_ON_ONCE(sdata->crypto_tx_tailroom_needed_cnt !=  in ieee80211_free_keys()
800 		WARN_ON_ONCE(sdata->crypto_tx_tailroom_needed_cnt ||  in ieee80211_free_keys()
801 			     sdata->crypto_tx_tailroom_pending_dec);  in ieee80211_free_keys()
804 	if (sdata->vif.type == NL80211_IFTYPE_AP) {  in ieee80211_free_keys()
805 		list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)  in ieee80211_free_keys()
824 		ieee80211_key_replace(key->sdata, key->sta,  in ieee80211_free_sta_keys()
834 		ieee80211_key_replace(key->sdata, key->sta,  in ieee80211_free_sta_keys()
845 	struct ieee80211_sub_if_data *sdata;  in ieee80211_delayed_tailroom_dec()  local
847 	sdata = container_of(wk, struct ieee80211_sub_if_data,  in ieee80211_delayed_tailroom_dec()
866 	mutex_lock(&sdata->local->key_mtx);  in ieee80211_delayed_tailroom_dec()
867 	decrease_tailroom_need_count(sdata,  in ieee80211_delayed_tailroom_dec()
868 				     sdata->crypto_tx_tailroom_pending_dec);  in ieee80211_delayed_tailroom_dec()
869 	sdata->crypto_tx_tailroom_pending_dec = 0;  in ieee80211_delayed_tailroom_dec()
870 	mutex_unlock(&sdata->local->key_mtx);  in ieee80211_delayed_tailroom_dec()
876 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);  in ieee80211_gtk_rekey_notify()  local
878 	trace_api_gtk_rekey_notify(sdata, bssid, replay_ctr);  in ieee80211_gtk_rekey_notify()
880 	cfg80211_gtk_rekey_notify(sdata->dev, bssid, replay_ctr, gfp);  in ieee80211_gtk_rekey_notify()
1132 			increment_tailroom_need_count(key->sdata);  in ieee80211_remove_key()
1143 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);  in ieee80211_gtk_rekey_add()  local
1144 	struct ieee80211_local *local = sdata->local;  in ieee80211_gtk_rekey_add()
1160 	if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)  in ieee80211_gtk_rekey_add()
1163 	err = ieee80211_key_link(key, sdata, NULL);  in ieee80211_gtk_rekey_add()