215 static int wl_iw_iscan(iscan_info_t *iscan, wlc_ssid_t *ssid, uint16 action);
231 	struct iscan_info iscan;  member
1270 	iscan_info_t *iscan;  in wl_iw_iscan_get_aplist()  local
1283 	iscan = &wext_info->iscan;  in wl_iw_iscan_get_aplist()
1288 	if ((!iscan) || (iscan->sysioc_pid < 0)) {  in wl_iw_iscan_get_aplist()
1292 	buf = iscan->list_hdr;  in wl_iw_iscan_get_aplist()
1388 	iscan_info_t *iscan;  in wl_iw_iscan_set_scan()  local
1423 	iscan = &wext_info->iscan;  in wl_iw_iscan_set_scan()
1424 	WL_TRACE(("%s: SIOCSIWSCAN iscan=%p\n", dev->name, iscan));  in wl_iw_iscan_set_scan()
1432 	if ((!iscan) || (iscan->sysioc_pid < 0)) {  in wl_iw_iscan_set_scan()
1435 	if (iscan->iscan_state == ISCAN_STATE_SCANING) {  in wl_iw_iscan_set_scan()
1454 	iscan->list_cur = iscan->list_hdr;  in wl_iw_iscan_set_scan()
1455 	iscan->iscan_state = ISCAN_STATE_SCANING;  in wl_iw_iscan_set_scan()
1459 	wl_iw_iscan(iscan, &ssid, WL_SCAN_ACTION_START);  in wl_iw_iscan_set_scan()
1461 	iscan->timer.expires = jiffies + msecs_to_jiffies(iscan->timer_ms);  in wl_iw_iscan_set_scan()
1462 	add_timer(&iscan->timer);  in wl_iw_iscan_set_scan()
1463 	iscan->timer_on = 1;  in wl_iw_iscan_set_scan()
1812 	iscan_info_t *iscan;  in wl_iw_iscan_get_scan()  local
1826 	iscan = &wext_info->iscan;  in wl_iw_iscan_get_scan()
1827 	if ((!iscan) || (iscan->sysioc_pid < 0)) {  in wl_iw_iscan_get_scan()
1832 	if (iscan->iscan_state == ISCAN_STATE_SCANING) {  in wl_iw_iscan_get_scan()
1838 	p_buf = iscan->list_hdr;  in wl_iw_iscan_get_scan()
1840 	while (p_buf != iscan->list_cur) {  in wl_iw_iscan_get_scan()
3444 	iscan_info_t *iscan;  in wl_iw_ioctl()  local
3448 	iscan = &wext_info->iscan;  in wl_iw_ioctl()
3486 		if (iscan)  in wl_iw_ioctl()
3658 	iscan_info_t *iscan = &wext_info->iscan;  in wl_iw_event()  local
3801 		if ((iscan) && (iscan->sysioc_pid >= 0) &&  in wl_iw_event()
3802 			(iscan->iscan_state != ISCAN_STATE_IDLE))  in wl_iw_event()
3803 			up(&iscan->sysioc_sem);  in wl_iw_event()
3815 			if ((!iscan) || (iscan->sysioc_pid < 0)) {  in wl_iw_event()
4023 	iscan_info_t *iscan = (iscan_info_t *)data;  in wl_iw_timerfunc()  local
4024 	iscan->timer_on = 0;  in wl_iw_timerfunc()
4025 	if (iscan->iscan_state != ISCAN_STATE_IDLE) {  in wl_iw_timerfunc()
4027 		up(&iscan->sysioc_sem);  in wl_iw_timerfunc()
4070 wl_iw_iscan(iscan_info_t *iscan, wlc_ssid_t *ssid, uint16 action)  in wl_iw_iscan()  argument
4094 		(void) dev_iw_iovar_setbuf(iscan->dev, "iscan", params, params_size,  in wl_iw_iscan()
4095 			iscan->ioctlbuf, WLC_IOCTL_SMLEN);  in wl_iw_iscan()
4103 wl_iw_iscan_get(iscan_info_t *iscan)  in wl_iw_iscan_get()  argument
4113 	if (iscan->list_cur) {  in wl_iw_iscan_get()
4114 		buf = iscan->list_cur;  in wl_iw_iscan_get()
4115 		iscan->list_cur = buf->next;  in wl_iw_iscan_get()
4122 		if (!iscan->list_hdr)  in wl_iw_iscan_get()
4123 			iscan->list_hdr = buf;  in wl_iw_iscan_get()
4125 			ptr = iscan->list_hdr;  in wl_iw_iscan_get()
4142 		iscan->dev,  in wl_iw_iscan_get()
4158 static void wl_iw_send_scan_complete(iscan_info_t *iscan)  in wl_iw_send_scan_complete()  argument
4165 	wireless_send_event(iscan->dev, SIOCGIWSCAN, &wrqu, NULL);  in wl_iw_send_scan_complete()
4172 	iscan_info_t *iscan = (iscan_info_t *)data;  in _iscan_sysioc_thread()  local
4178 	while (down_interruptible(&iscan->sysioc_sem) == 0) {  in _iscan_sysioc_thread()
4179 		if (iscan->timer_on) {  in _iscan_sysioc_thread()
4180 			del_timer(&iscan->timer);  in _iscan_sysioc_thread()
4181 			iscan->timer_on = 0;  in _iscan_sysioc_thread()
4187 		status = wl_iw_iscan_get(iscan);  in _iscan_sysioc_thread()
4199 				wl_iw_iscan(iscan, NULL, WL_SCAN_ACTION_CONTINUE);  in _iscan_sysioc_thread()
4204 				iscan->timer.expires = jiffies + msecs_to_jiffies(iscan->timer_ms);  in _iscan_sysioc_thread()
4205 				add_timer(&iscan->timer);  in _iscan_sysioc_thread()
4206 				iscan->timer_on = 1;  in _iscan_sysioc_thread()
4210 				iscan->iscan_state = ISCAN_STATE_IDLE;  in _iscan_sysioc_thread()
4211 				wl_iw_send_scan_complete(iscan);  in _iscan_sysioc_thread()
4216 				iscan->timer.expires = jiffies + msecs_to_jiffies(iscan->timer_ms);  in _iscan_sysioc_thread()
4217 				add_timer(&iscan->timer);  in _iscan_sysioc_thread()
4218 				iscan->timer_on = 1;  in _iscan_sysioc_thread()
4222 				iscan->iscan_state = ISCAN_STATE_IDLE;  in _iscan_sysioc_thread()
4223 				wl_iw_send_scan_complete(iscan);  in _iscan_sysioc_thread()
4231 	complete_and_exit(&iscan->sysioc_exited, 0);  in _iscan_sysioc_thread()
4242 	iscan_info_t *iscan;  in wl_iw_detach()  local
4248 	iscan = &wext_info->iscan;  in wl_iw_detach()
4249 	if (iscan->sysioc_pid >= 0) {  in wl_iw_detach()
4250 		KILL_PROC(iscan->sysioc_pid, SIGTERM);  in wl_iw_detach()
4251 		wait_for_completion(&iscan->sysioc_exited);  in wl_iw_detach()
4254 	while (iscan->list_hdr) {  in wl_iw_detach()
4255 		buf = iscan->list_hdr->next;  in wl_iw_detach()
4256 		kfree(iscan->list_hdr);  in wl_iw_detach()
4257 		iscan->list_hdr = buf;  in wl_iw_detach()
4274 	iscan_info_t *iscan = NULL;  in wl_iw_attach()  local
4291 	iscan = &wext_info->iscan;  in wl_iw_attach()
4293 	iscan->kthread = NULL;  in wl_iw_attach()
4295 	iscan->sysioc_pid = -1;  in wl_iw_attach()
4297 	iscan->dev = dev;  in wl_iw_attach()
4298 	iscan->iscan_state = ISCAN_STATE_IDLE;  in wl_iw_attach()
4301 	iscan->timer_ms    = 2000;  in wl_iw_attach()
4302 	init_timer_compat(&iscan->timer, wl_iw_timerfunc, iscan);  in wl_iw_attach()
4304 	sema_init(&iscan->sysioc_sem, 0);  in wl_iw_attach()
4305 	init_completion(&iscan->sysioc_exited);  in wl_iw_attach()
4307 	iscan->kthread = kthread_run(_iscan_sysioc_thread, iscan, "iscan_sysioc");  in wl_iw_attach()
4308 	iscan->sysioc_pid = iscan->kthread->pid;  in wl_iw_attach()
4310 	iscan->sysioc_pid = kernel_thread(_iscan_sysioc_thread, iscan, 0);  in wl_iw_attach()
4312 	if (iscan->sysioc_pid < 0) {  in wl_iw_attach()