44 static int mac802154_scan_cleanup_locked(struct ieee802154_local *local,  in mac802154_scan_cleanup_locked()  argument
49 	struct wpan_phy *wpan_phy = local->phy;  in mac802154_scan_cleanup_locked()
54 	clear_bit(IEEE802154_IS_SCANNING, &local->ongoing);  in mac802154_scan_cleanup_locked()
55 	cancel_delayed_work(&local->scan_work);  in mac802154_scan_cleanup_locked()
56 	request = rcu_replace_pointer(local->scan_req, NULL, 1);  in mac802154_scan_cleanup_locked()
69 	ieee802154_mlme_op_post(local);  in mac802154_scan_cleanup_locked()
72 	drv_set_channel(local, wpan_phy->current_page,  in mac802154_scan_cleanup_locked()
76 	drv_stop(local);  in mac802154_scan_cleanup_locked()
79 	drv_start(local, sdata->required_filtering, &local->addr_filt);  in mac802154_scan_cleanup_locked()
84 int mac802154_abort_scan_locked(struct ieee802154_local *local,  in mac802154_abort_scan_locked()  argument
89 	if (!mac802154_is_scanning(local))  in mac802154_abort_scan_locked()
92 	return mac802154_scan_cleanup_locked(local, sdata, true);  in mac802154_abort_scan_locked()
105 static void mac802154_flush_queued_beacons(struct ieee802154_local *local)  in mac802154_flush_queued_beacons()  argument
109 	list_for_each_entry_safe(mac_pkt, tmp, &local->rx_beacon_list, node) {  in mac802154_flush_queued_beacons()
117 mac802154_scan_get_next_channel(struct ieee802154_local *local,  in mac802154_scan_get_next_channel()  argument
127 static int mac802154_scan_find_next_chan(struct ieee802154_local *local,  in mac802154_scan_find_next_chan()  argument
131 	mac802154_scan_get_next_channel(local, scan_req, channel);  in mac802154_scan_find_next_chan()
138 static int mac802154_scan_prepare_beacon_req(struct ieee802154_local *local)  in mac802154_scan_prepare_beacon_req()  argument
140 	memset(&local->scan_beacon_req, 0, sizeof(local->scan_beacon_req));  in mac802154_scan_prepare_beacon_req()
141 	local->scan_beacon_req.mhr.fc.type = IEEE802154_FC_TYPE_MAC_CMD;  in mac802154_scan_prepare_beacon_req()
142 	local->scan_beacon_req.mhr.fc.dest_addr_mode = IEEE802154_SHORT_ADDRESSING;  in mac802154_scan_prepare_beacon_req()
143 	local->scan_beacon_req.mhr.fc.version = IEEE802154_2003_STD;  in mac802154_scan_prepare_beacon_req()
144 	local->scan_beacon_req.mhr.fc.source_addr_mode = IEEE802154_NO_ADDRESSING;  in mac802154_scan_prepare_beacon_req()
145 	local->scan_beacon_req.mhr.dest.mode = IEEE802154_ADDR_SHORT;  in mac802154_scan_prepare_beacon_req()
146 	local->scan_beacon_req.mhr.dest.pan_id = cpu_to_le16(IEEE802154_PANID_BROADCAST);  in mac802154_scan_prepare_beacon_req()
147 	local->scan_beacon_req.mhr.dest.short_addr = cpu_to_le16(IEEE802154_ADDR_BROADCAST);  in mac802154_scan_prepare_beacon_req()
148 	local->scan_beacon_req.mac_pl.cmd_id = IEEE802154_CMD_BEACON_REQ;  in mac802154_scan_prepare_beacon_req()
153 static int mac802154_transmit_beacon_req(struct ieee802154_local *local,  in mac802154_transmit_beacon_req()  argument
165 	ret = ieee802154_mac_cmd_push(skb, &local->scan_beacon_req, NULL, 0);  in mac802154_transmit_beacon_req()
171 	return ieee802154_mlme_tx(local, sdata, skb);  in mac802154_transmit_beacon_req()
176 	struct ieee802154_local *local =  in mac802154_scan_worker()  local
191 	drv_stop(local);  in mac802154_scan_worker()
193 	mac802154_flush_queued_beacons(local);  in mac802154_scan_worker()
196 	scan_req = rcu_dereference(local->scan_req);  in mac802154_scan_worker()
205 	if (local->suspended || !ieee802154_sdata_running(sdata)) {  in mac802154_scan_worker()
207 		queue_delayed_work(local->mac_wq, &local->scan_work,  in mac802154_scan_worker()
217 	page = local->scan_page;  in mac802154_scan_worker()
218 	channel = local->scan_channel;  in mac802154_scan_worker()
220 		ret = mac802154_scan_find_next_chan(local, scan_req, page, &channel);  in mac802154_scan_worker()
231 	ret = drv_set_channel(local, page, channel);  in mac802154_scan_worker()
239 	local->scan_page = page;  in mac802154_scan_worker()
240 	local->scan_channel = channel;  in mac802154_scan_worker()
243 	ret = drv_start(local, IEEE802154_FILTERING_3_SCAN, &local->addr_filt);  in mac802154_scan_worker()
252 		ret = mac802154_transmit_beacon_req(local, sdata);  in mac802154_scan_worker()
264 	queue_delayed_work(local->mac_wq, &local->scan_work, scan_duration);  in mac802154_scan_worker()
269 	mac802154_scan_cleanup_locked(local, sdata, false);  in mac802154_scan_worker()
276 	struct ieee802154_local *local = sdata->local;  in mac802154_trigger_scan_locked()  local
280 	if (mac802154_is_scanning(local))  in mac802154_trigger_scan_locked()
288 	rcu_assign_pointer(local->scan_req, request);  in mac802154_trigger_scan_locked()
293 	ieee802154_mlme_op_pre(local);  in mac802154_trigger_scan_locked()
296 	local->scan_page = request->page;  in mac802154_trigger_scan_locked()
297 	local->scan_channel = -1;  in mac802154_trigger_scan_locked()
298 	set_bit(IEEE802154_IS_SCANNING, &local->ongoing);  in mac802154_trigger_scan_locked()
300 		mac802154_scan_prepare_beacon_req(local);  in mac802154_trigger_scan_locked()
304 	queue_delayed_work(local->mac_wq, &local->scan_work, 0);  in mac802154_trigger_scan_locked()
309 int mac802154_process_beacon(struct ieee802154_local *local,  in mac802154_process_beacon()  argument
338 	scan_req = rcu_dereference(local->scan_req);  in mac802154_process_beacon()
346 static int mac802154_transmit_beacon(struct ieee802154_local *local,  in mac802154_transmit_beacon()  argument
355 	local->beacon.mhr.seq = atomic_inc_return(&wpan_dev->bsn) & 0xFF;  in mac802154_transmit_beacon()
362 	beacon_req = rcu_dereference(local->beacon_req);  in mac802154_transmit_beacon()
374 	ret = ieee802154_beacon_push(skb, &local->beacon);  in mac802154_transmit_beacon()
398 	return ieee802154_mlme_tx(local, sdata, skb);  in mac802154_transmit_beacon()
403 	struct ieee802154_local *local =  in mac802154_beacon_worker()  local
412 	beacon_req = rcu_dereference(local->beacon_req);  in mac802154_beacon_worker()
421 	if (local->suspended || !ieee802154_sdata_running(sdata)) {  in mac802154_beacon_worker()
423 		queue_delayed_work(local->mac_wq, &local->beacon_work,  in mac802154_beacon_worker()
434 	ret = mac802154_transmit_beacon(local, wpan_dev);  in mac802154_beacon_worker()
440 		queue_delayed_work(local->mac_wq, &local->beacon_work,  in mac802154_beacon_worker()
441 				   local->beacon_interval);  in mac802154_beacon_worker()
444 int mac802154_stop_beacons_locked(struct ieee802154_local *local,  in mac802154_stop_beacons_locked()  argument
452 	if (!mac802154_is_beaconing(local))  in mac802154_stop_beacons_locked()
455 	clear_bit(IEEE802154_IS_BEACONING, &local->ongoing);  in mac802154_stop_beacons_locked()
456 	cancel_delayed_work(&local->beacon_work);  in mac802154_stop_beacons_locked()
457 	request = rcu_replace_pointer(local->beacon_req, NULL, 1);  in mac802154_stop_beacons_locked()
470 	struct ieee802154_local *local = sdata->local;  in mac802154_send_beacons_locked()  local
475 	if (mac802154_is_beaconing(local))  in mac802154_send_beacons_locked()
476 		mac802154_stop_beacons_locked(local, sdata);  in mac802154_send_beacons_locked()
479 	rcu_assign_pointer(local->beacon_req, request);  in mac802154_send_beacons_locked()
481 	set_bit(IEEE802154_IS_BEACONING, &local->ongoing);  in mac802154_send_beacons_locked()
483 	memset(&local->beacon, 0, sizeof(local->beacon));  in mac802154_send_beacons_locked()
484 	local->beacon.mhr.fc.type = IEEE802154_FC_TYPE_BEACON;  in mac802154_send_beacons_locked()
485 	local->beacon.mhr.fc.security_enabled = 0;  in mac802154_send_beacons_locked()
486 	local->beacon.mhr.fc.frame_pending = 0;  in mac802154_send_beacons_locked()
487 	local->beacon.mhr.fc.ack_request = 0;  in mac802154_send_beacons_locked()
488 	local->beacon.mhr.fc.intra_pan = 0;  in mac802154_send_beacons_locked()
489 	local->beacon.mhr.fc.dest_addr_mode = IEEE802154_NO_ADDRESSING;  in mac802154_send_beacons_locked()
490 	local->beacon.mhr.fc.version = IEEE802154_2003_STD;  in mac802154_send_beacons_locked()
491 	local->beacon.mhr.fc.source_addr_mode = IEEE802154_EXTENDED_ADDRESSING;  in mac802154_send_beacons_locked()
493 	local->beacon.mhr.source.mode = IEEE802154_ADDR_LONG;  in mac802154_send_beacons_locked()
494 	local->beacon.mhr.source.pan_id = request->wpan_dev->pan_id;  in mac802154_send_beacons_locked()
495 	local->beacon.mhr.source.extended_addr = request->wpan_dev->extended_addr;  in mac802154_send_beacons_locked()
496 	local->beacon.mac_pl.beacon_order = request->interval;  in mac802154_send_beacons_locked()
498 		local->beacon.mac_pl.superframe_order = request->interval;  in mac802154_send_beacons_locked()
499 	local->beacon.mac_pl.final_cap_slot = 0xf;  in mac802154_send_beacons_locked()
500 	local->beacon.mac_pl.battery_life_ext = 0;  in mac802154_send_beacons_locked()
501 	local->beacon.mac_pl.pan_coordinator = !wpan_dev->parent;  in mac802154_send_beacons_locked()
502 	local->beacon.mac_pl.assoc_permit = 1;  in mac802154_send_beacons_locked()
508 	local->beacon_interval =  in mac802154_send_beacons_locked()
511 	queue_delayed_work(local->mac_wq, &local->beacon_work, 0);  in mac802154_send_beacons_locked()
522 	struct ieee802154_local *local = sdata->local;  in mac802154_perform_association()  local
566 	local->assoc_dev = coord;  in mac802154_perform_association()
567 	reinit_completion(&local->assoc_done);  in mac802154_perform_association()
568 	set_bit(IEEE802154_IS_ASSOCIATING, &local->ongoing);  in mac802154_perform_association()
570 	ret = ieee802154_mlme_tx_one_locked(local, sdata, skb);  in mac802154_perform_association()
579 	ret = wait_for_completion_killable_timeout(&local->assoc_done, 10 * HZ);  in mac802154_perform_association()
587 	if (local->assoc_status != IEEE802154_ASSOCIATION_SUCCESSFUL) {  in mac802154_perform_association()
588 		if (local->assoc_status == IEEE802154_PAN_AT_CAPACITY)  in mac802154_perform_association()
595 			 local->assoc_status == IEEE802154_PAN_AT_CAPACITY ?  in mac802154_perform_association()
600 	*short_addr = local->assoc_addr;  in mac802154_perform_association()
603 	clear_bit(IEEE802154_IS_ASSOCIATING, &local->ongoing);  in mac802154_perform_association()
604 	local->assoc_dev = NULL;  in mac802154_perform_association()
615 	struct ieee802154_local *local = sdata->local;  in mac802154_process_association_resp()  local
627 		     src->extended_addr != local->assoc_dev->extended_addr))  in mac802154_process_association_resp()
631 	local->assoc_addr = resp_pl.short_addr;  in mac802154_process_association_resp()
632 	local->assoc_status = resp_pl.status;  in mac802154_process_association_resp()
636 		local->assoc_status, &deaddr, local->assoc_addr);  in mac802154_process_association_resp()
638 	complete(&local->assoc_done);  in mac802154_process_association_resp()
649 	struct ieee802154_local *local = sdata->local;  in mac802154_send_disassociation_notif()  local
690 	ret = ieee802154_mlme_tx_one_locked(local, sdata, skb);  in mac802154_send_disassociation_notif()
710 	struct ieee802154_local *local = sdata->local;  in mac802154_send_association_resp_locked()  local
745 	ret = ieee802154_mlme_tx_locked(local, sdata, skb);  in mac802154_send_association_resp_locked()