122 	struct uwb_rc_neh *neh = container_of(kref, struct uwb_rc_neh, kref);  in uwb_rc_neh_release()  local
124 	kfree(neh);  in uwb_rc_neh_release()
127 static void uwb_rc_neh_get(struct uwb_rc_neh *neh)  in uwb_rc_neh_get()  argument
129 	kref_get(&neh->kref);  in uwb_rc_neh_get()
136 void uwb_rc_neh_put(struct uwb_rc_neh *neh)  in uwb_rc_neh_put()  argument
138 	kref_put(&neh->kref, uwb_rc_neh_release);  in uwb_rc_neh_put()
163 int __uwb_rc_ctx_get(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in __uwb_rc_ctx_get()  argument
176 	neh->context = result;  in __uwb_rc_ctx_get()
183 void __uwb_rc_ctx_put(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in __uwb_rc_ctx_put()  argument
186 	if (neh->context == 0)  in __uwb_rc_ctx_put()
188 	if (test_bit(neh->context, rc->ctx_bm) == 0) {  in __uwb_rc_ctx_put()
190 			neh->context);  in __uwb_rc_ctx_put()
193 	clear_bit(neh->context, rc->ctx_bm);  in __uwb_rc_ctx_put()
194 	neh->context = 0;  in __uwb_rc_ctx_put()
216 	struct uwb_rc_neh *neh;  in uwb_rc_neh_add()  local
218 	neh = kzalloc(sizeof(*neh), GFP_KERNEL);  in uwb_rc_neh_add()
219 	if (neh == NULL) {  in uwb_rc_neh_add()
224 	kref_init(&neh->kref);  in uwb_rc_neh_add()
225 	INIT_LIST_HEAD(&neh->list_node);  in uwb_rc_neh_add()
226 	init_timer(&neh->timer);  in uwb_rc_neh_add()
227 	neh->timer.function = uwb_rc_neh_timer;  in uwb_rc_neh_add()
228 	neh->timer.data     = (unsigned long)neh;  in uwb_rc_neh_add()
230 	neh->rc = rc;  in uwb_rc_neh_add()
231 	neh->evt_type = expected_type;  in uwb_rc_neh_add()
232 	neh->evt = cpu_to_le16(expected_event);  in uwb_rc_neh_add()
233 	neh->cb = cb;  in uwb_rc_neh_add()
234 	neh->arg = arg;  in uwb_rc_neh_add()
237 	result = __uwb_rc_ctx_get(rc, neh);  in uwb_rc_neh_add()
239 		cmd->bCommandContext = neh->context;  in uwb_rc_neh_add()
240 		list_add_tail(&neh->list_node, &rc->neh_list);  in uwb_rc_neh_add()
241 		uwb_rc_neh_get(neh);  in uwb_rc_neh_add()
247 	return neh;  in uwb_rc_neh_add()
250 	kfree(neh);  in uwb_rc_neh_add()
256 static void __uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in __uwb_rc_neh_rm()  argument
258 	__uwb_rc_ctx_put(rc, neh);  in __uwb_rc_neh_rm()
259 	list_del(&neh->list_node);  in __uwb_rc_neh_rm()
270 void uwb_rc_neh_rm(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in uwb_rc_neh_rm()  argument
275 	__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_rm()
278 	del_timer_sync(&neh->timer);  in uwb_rc_neh_rm()
279 	uwb_rc_neh_put(neh);  in uwb_rc_neh_rm()
290 void uwb_rc_neh_arm(struct uwb_rc *rc, struct uwb_rc_neh *neh)  in uwb_rc_neh_arm()  argument
295 	if (neh->context)  in uwb_rc_neh_arm()
296 		mod_timer(&neh->timer,  in uwb_rc_neh_arm()
301 static void uwb_rc_neh_cb(struct uwb_rc_neh *neh, struct uwb_rceb *rceb, size_t size)  in uwb_rc_neh_cb()  argument
303 	(*neh->cb)(neh->rc, neh->arg, rceb, size);  in uwb_rc_neh_cb()
304 	uwb_rc_neh_put(neh);  in uwb_rc_neh_cb()
307 static bool uwb_rc_neh_match(struct uwb_rc_neh *neh, const struct uwb_rceb *rceb)  in uwb_rc_neh_match()  argument
309 	return neh->evt_type == rceb->bEventType  in uwb_rc_neh_match()
310 		&& neh->evt == rceb->wEvent  in uwb_rc_neh_match()
311 		&& neh->context == rceb->bEventContext;  in uwb_rc_neh_match()
332 	struct uwb_rc_neh *neh = NULL, *h;  in uwb_rc_neh_lookup()  local
339 			neh = h;  in uwb_rc_neh_lookup()
344 	if (neh)  in uwb_rc_neh_lookup()
345 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_lookup()
349 	return neh;  in uwb_rc_neh_lookup()
411 	struct uwb_rc_neh *neh;  in uwb_rc_neh_grok_event()  local
425 		neh = uwb_rc_neh_lookup(rc, rceb);  in uwb_rc_neh_grok_event()
426 		if (neh) {  in uwb_rc_neh_grok_event()
429 			neh->completed = 1;  in uwb_rc_neh_grok_event()
430 			del_timer(&neh->timer);  in uwb_rc_neh_grok_event()
432 			uwb_rc_neh_cb(neh, rceb, size);  in uwb_rc_neh_grok_event()
550 	struct uwb_rc_neh *neh;  in uwb_rc_neh_error()  local
559 		neh = list_first_entry(&rc->neh_list, struct uwb_rc_neh, list_node);  in uwb_rc_neh_error()
560 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_error()
563 		del_timer_sync(&neh->timer);  in uwb_rc_neh_error()
564 		uwb_rc_neh_cb(neh, NULL, error);  in uwb_rc_neh_error()
572 	struct uwb_rc_neh *neh = (struct uwb_rc_neh *)arg;  in uwb_rc_neh_timer()  local
573 	struct uwb_rc *rc = neh->rc;  in uwb_rc_neh_timer()
577 	if (neh->completed) {  in uwb_rc_neh_timer()
581 	if (neh->context)  in uwb_rc_neh_timer()
582 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_timer()
584 		neh = NULL;  in uwb_rc_neh_timer()
587 	if (neh)  in uwb_rc_neh_timer()
588 		uwb_rc_neh_cb(neh, NULL, -ETIMEDOUT);  in uwb_rc_neh_timer()
607 	struct uwb_rc_neh *neh;  in uwb_rc_neh_destroy()  local
615 		neh = list_first_entry(&rc->neh_list, struct uwb_rc_neh, list_node);  in uwb_rc_neh_destroy()
616 		__uwb_rc_neh_rm(rc, neh);  in uwb_rc_neh_destroy()
619 		del_timer_sync(&neh->timer);  in uwb_rc_neh_destroy()
620 		uwb_rc_neh_put(neh);  in uwb_rc_neh_destroy()