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20#include "decl.h"
21#include "ioctl.h"
22#include "util.h"
23#include "fw.h"
24#include "main.h"
25#include "wmm.h"
26#include "11n.h"
27
28
29
30
31
32
33
34static int mwifiex_add_bss_prio_tbl(struct mwifiex_private *priv)
35{
36 struct mwifiex_adapter *adapter = priv->adapter;
37 struct mwifiex_bss_prio_node *bss_prio;
38 struct mwifiex_bss_prio_tbl *tbl = adapter->bss_prio_tbl;
39 unsigned long flags;
40
41 bss_prio = kzalloc(sizeof(struct mwifiex_bss_prio_node), GFP_KERNEL);
42 if (!bss_prio)
43 return -ENOMEM;
44
45 bss_prio->priv = priv;
46 INIT_LIST_HEAD(&bss_prio->list);
47
48 spin_lock_irqsave(&tbl[priv->bss_priority].bss_prio_lock, flags);
49 list_add_tail(&bss_prio->list, &tbl[priv->bss_priority].bss_prio_head);
50 spin_unlock_irqrestore(&tbl[priv->bss_priority].bss_prio_lock, flags);
51
52 return 0;
53}
54
55static void wakeup_timer_fn(struct timer_list *t)
56{
57 struct mwifiex_adapter *adapter = from_timer(adapter, t, wakeup_timer);
58
59 mwifiex_dbg(adapter, ERROR, "Firmware wakeup failed\n");
60 adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
61 mwifiex_cancel_all_pending_cmd(adapter);
62
63 if (adapter->if_ops.card_reset && !adapter->hs_activated)
64 adapter->if_ops.card_reset(adapter);
65}
66
67static void fw_dump_timer_fn(struct timer_list *t)
68{
69 struct mwifiex_adapter *adapter = from_timer(adapter, t, devdump_timer);
70
71 mwifiex_upload_device_dump(adapter);
72}
73
74
75
76
77
78
79
80
81int mwifiex_init_priv(struct mwifiex_private *priv)
82{
83 u32 i;
84
85 priv->media_connected = false;
86 eth_broadcast_addr(priv->curr_addr);
87 priv->port_open = false;
88 priv->usb_port = MWIFIEX_USB_EP_DATA;
89 priv->pkt_tx_ctrl = 0;
90 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
91 priv->data_rate = 0;
92 priv->is_data_rate_auto = true;
93 priv->bcn_avg_factor = DEFAULT_BCN_AVG_FACTOR;
94 priv->data_avg_factor = DEFAULT_DATA_AVG_FACTOR;
95
96 priv->sec_info.wep_enabled = 0;
97 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
98 priv->sec_info.encryption_mode = 0;
99 for (i = 0; i < ARRAY_SIZE(priv->wep_key); i++)
100 memset(&priv->wep_key[i], 0, sizeof(struct mwifiex_wep_key));
101 priv->wep_key_curr_index = 0;
102 priv->curr_pkt_filter = HostCmd_ACT_MAC_DYNAMIC_BW_ENABLE |
103 HostCmd_ACT_MAC_RX_ON | HostCmd_ACT_MAC_TX_ON |
104 HostCmd_ACT_MAC_ETHERNETII_ENABLE;
105
106 priv->beacon_period = 100;
107 priv->attempted_bss_desc = NULL;
108 memset(&priv->curr_bss_params, 0, sizeof(priv->curr_bss_params));
109 priv->listen_interval = MWIFIEX_DEFAULT_LISTEN_INTERVAL;
110
111 memset(&priv->prev_ssid, 0, sizeof(priv->prev_ssid));
112 memset(&priv->prev_bssid, 0, sizeof(priv->prev_bssid));
113 memset(&priv->assoc_rsp_buf, 0, sizeof(priv->assoc_rsp_buf));
114 priv->assoc_rsp_size = 0;
115 priv->adhoc_channel = DEFAULT_AD_HOC_CHANNEL;
116 priv->atim_window = 0;
117 priv->adhoc_state = ADHOC_IDLE;
118 priv->tx_power_level = 0;
119 priv->max_tx_power_level = 0;
120 priv->min_tx_power_level = 0;
121 priv->tx_ant = 0;
122 priv->rx_ant = 0;
123 priv->tx_rate = 0;
124 priv->rxpd_htinfo = 0;
125 priv->rxpd_rate = 0;
126 priv->rate_bitmap = 0;
127 priv->data_rssi_last = 0;
128 priv->data_rssi_avg = 0;
129 priv->data_nf_avg = 0;
130 priv->data_nf_last = 0;
131 priv->bcn_rssi_last = 0;
132 priv->bcn_rssi_avg = 0;
133 priv->bcn_nf_avg = 0;
134 priv->bcn_nf_last = 0;
135 memset(&priv->wpa_ie, 0, sizeof(priv->wpa_ie));
136 memset(&priv->aes_key, 0, sizeof(priv->aes_key));
137 priv->wpa_ie_len = 0;
138 priv->wpa_is_gtk_set = false;
139
140 memset(&priv->assoc_tlv_buf, 0, sizeof(priv->assoc_tlv_buf));
141 priv->assoc_tlv_buf_len = 0;
142 memset(&priv->wps, 0, sizeof(priv->wps));
143 memset(&priv->gen_ie_buf, 0, sizeof(priv->gen_ie_buf));
144 priv->gen_ie_buf_len = 0;
145 memset(priv->vs_ie, 0, sizeof(priv->vs_ie));
146
147 priv->wmm_required = true;
148 priv->wmm_enabled = false;
149 priv->wmm_qosinfo = 0;
150 priv->curr_bcn_buf = NULL;
151 priv->curr_bcn_size = 0;
152 priv->wps_ie = NULL;
153 priv->wps_ie_len = 0;
154 priv->ap_11n_enabled = 0;
155 memset(&priv->roc_cfg, 0, sizeof(priv->roc_cfg));
156
157 priv->scan_block = false;
158
159 priv->csa_chan = 0;
160 priv->csa_expire_time = 0;
161 priv->del_list_idx = 0;
162 priv->hs2_enabled = false;
163 priv->check_tdls_tx = false;
164 memcpy(priv->tos_to_tid_inv, tos_to_tid_inv, MAX_NUM_TID);
165
166 mwifiex_init_11h_params(priv);
167
168 return mwifiex_add_bss_prio_tbl(priv);
169}
170
171
172
173
174
175
176
177
178
179static int mwifiex_allocate_adapter(struct mwifiex_adapter *adapter)
180{
181 int ret;
182
183
184 ret = mwifiex_alloc_cmd_buffer(adapter);
185 if (ret) {
186 mwifiex_dbg(adapter, ERROR,
187 "%s: failed to alloc cmd buffer\n",
188 __func__);
189 return -1;
190 }
191
192 adapter->sleep_cfm =
193 dev_alloc_skb(sizeof(struct mwifiex_opt_sleep_confirm)
194 + INTF_HEADER_LEN);
195
196 if (!adapter->sleep_cfm) {
197 mwifiex_dbg(adapter, ERROR,
198 "%s: failed to alloc sleep cfm\t"
199 " cmd buffer\n", __func__);
200 return -1;
201 }
202 skb_reserve(adapter->sleep_cfm, INTF_HEADER_LEN);
203
204 return 0;
205}
206
207
208
209
210
211
212
213
214static void mwifiex_init_adapter(struct mwifiex_adapter *adapter)
215{
216 struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = NULL;
217
218 skb_put(adapter->sleep_cfm, sizeof(struct mwifiex_opt_sleep_confirm));
219
220 adapter->cmd_sent = false;
221
222 if (adapter->iface_type == MWIFIEX_SDIO)
223 adapter->data_sent = true;
224 else
225 adapter->data_sent = false;
226
227 if (adapter->iface_type == MWIFIEX_USB)
228 adapter->intf_hdr_len = 0;
229 else
230 adapter->intf_hdr_len = INTF_HEADER_LEN;
231
232 adapter->cmd_resp_received = false;
233 adapter->event_received = false;
234 adapter->data_received = false;
235
236 adapter->surprise_removed = false;
237
238 adapter->hw_status = MWIFIEX_HW_STATUS_INITIALIZING;
239
240 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
241 adapter->ps_state = PS_STATE_AWAKE;
242 adapter->need_to_wakeup = false;
243
244 adapter->scan_mode = HostCmd_BSS_MODE_ANY;
245 adapter->specific_scan_time = MWIFIEX_SPECIFIC_SCAN_CHAN_TIME;
246 adapter->active_scan_time = MWIFIEX_ACTIVE_SCAN_CHAN_TIME;
247 adapter->passive_scan_time = MWIFIEX_PASSIVE_SCAN_CHAN_TIME;
248 adapter->scan_chan_gap_time = MWIFIEX_DEF_SCAN_CHAN_GAP_TIME;
249
250 adapter->scan_probes = 1;
251
252 adapter->multiple_dtim = 1;
253
254 adapter->local_listen_interval = 0;
255
256
257 adapter->is_deep_sleep = false;
258
259 adapter->delay_null_pkt = false;
260 adapter->delay_to_ps = 1000;
261 adapter->enhanced_ps_mode = PS_MODE_AUTO;
262
263 adapter->gen_null_pkt = false;
264
265 adapter->pps_uapsd_mode = false;
266
267 adapter->pm_wakeup_card_req = false;
268
269 adapter->pm_wakeup_fw_try = false;
270
271 adapter->curr_tx_buf_size = MWIFIEX_TX_DATA_BUF_SIZE_2K;
272
273 adapter->is_hs_configured = false;
274 adapter->hs_cfg.conditions = cpu_to_le32(HS_CFG_COND_DEF);
275 adapter->hs_cfg.gpio = HS_CFG_GPIO_DEF;
276 adapter->hs_cfg.gap = HS_CFG_GAP_DEF;
277 adapter->hs_activated = false;
278
279 memset(adapter->event_body, 0, sizeof(adapter->event_body));
280 adapter->hw_dot_11n_dev_cap = 0;
281 adapter->hw_dev_mcs_support = 0;
282 adapter->sec_chan_offset = 0;
283 adapter->adhoc_11n_enabled = false;
284
285 mwifiex_wmm_init(adapter);
286 atomic_set(&adapter->tx_hw_pending, 0);
287
288 sleep_cfm_buf = (struct mwifiex_opt_sleep_confirm *)
289 adapter->sleep_cfm->data;
290 memset(sleep_cfm_buf, 0, adapter->sleep_cfm->len);
291 sleep_cfm_buf->command = cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH);
292 sleep_cfm_buf->size = cpu_to_le16(adapter->sleep_cfm->len);
293 sleep_cfm_buf->result = 0;
294 sleep_cfm_buf->action = cpu_to_le16(SLEEP_CONFIRM);
295 sleep_cfm_buf->resp_ctrl = cpu_to_le16(RESP_NEEDED);
296
297 memset(&adapter->sleep_params, 0, sizeof(adapter->sleep_params));
298 memset(&adapter->sleep_period, 0, sizeof(adapter->sleep_period));
299 adapter->tx_lock_flag = false;
300 adapter->null_pkt_interval = 0;
301 adapter->fw_bands = 0;
302 adapter->config_bands = 0;
303 adapter->adhoc_start_band = 0;
304 adapter->scan_channels = NULL;
305 adapter->fw_release_number = 0;
306 adapter->fw_cap_info = 0;
307 memset(&adapter->upld_buf, 0, sizeof(adapter->upld_buf));
308 adapter->event_cause = 0;
309 adapter->region_code = 0;
310 adapter->bcn_miss_time_out = DEFAULT_BCN_MISS_TIMEOUT;
311 adapter->adhoc_awake_period = 0;
312 memset(&adapter->arp_filter, 0, sizeof(adapter->arp_filter));
313 adapter->arp_filter_size = 0;
314 adapter->max_mgmt_ie_index = MAX_MGMT_IE_INDEX;
315 adapter->mfg_mode = mfg_mode;
316 adapter->key_api_major_ver = 0;
317 adapter->key_api_minor_ver = 0;
318 eth_broadcast_addr(adapter->perm_addr);
319 adapter->iface_limit.sta_intf = MWIFIEX_MAX_STA_NUM;
320 adapter->iface_limit.uap_intf = MWIFIEX_MAX_UAP_NUM;
321 adapter->iface_limit.p2p_intf = MWIFIEX_MAX_P2P_NUM;
322 adapter->active_scan_triggered = false;
323 timer_setup(&adapter->wakeup_timer, wakeup_timer_fn, 0);
324 adapter->devdump_len = 0;
325 timer_setup(&adapter->devdump_timer, fw_dump_timer_fn, 0);
326}
327
328
329
330
331void mwifiex_set_trans_start(struct net_device *dev)
332{
333 int i;
334
335 for (i = 0; i < dev->num_tx_queues; i++)
336 netdev_get_tx_queue(dev, i)->trans_start = jiffies;
337
338 netif_trans_update(dev);
339}
340
341
342
343
344void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
345 struct mwifiex_adapter *adapter)
346{
347 unsigned long dev_queue_flags;
348
349 spin_lock_irqsave(&adapter->queue_lock, dev_queue_flags);
350 netif_tx_wake_all_queues(netdev);
351 spin_unlock_irqrestore(&adapter->queue_lock, dev_queue_flags);
352}
353
354
355
356
357void mwifiex_stop_net_dev_queue(struct net_device *netdev,
358 struct mwifiex_adapter *adapter)
359{
360 unsigned long dev_queue_flags;
361
362 spin_lock_irqsave(&adapter->queue_lock, dev_queue_flags);
363 netif_tx_stop_all_queues(netdev);
364 spin_unlock_irqrestore(&adapter->queue_lock, dev_queue_flags);
365}
366
367
368
369
370static void mwifiex_invalidate_lists(struct mwifiex_adapter *adapter)
371{
372 struct mwifiex_private *priv;
373 s32 i, j;
374
375 list_del(&adapter->cmd_free_q);
376 list_del(&adapter->cmd_pending_q);
377 list_del(&adapter->scan_pending_q);
378
379 for (i = 0; i < adapter->priv_num; i++)
380 list_del(&adapter->bss_prio_tbl[i].bss_prio_head);
381
382 for (i = 0; i < adapter->priv_num; i++) {
383 if (adapter->priv[i]) {
384 priv = adapter->priv[i];
385 for (j = 0; j < MAX_NUM_TID; ++j)
386 list_del(&priv->wmm.tid_tbl_ptr[j].ra_list);
387 list_del(&priv->tx_ba_stream_tbl_ptr);
388 list_del(&priv->rx_reorder_tbl_ptr);
389 list_del(&priv->sta_list);
390 list_del(&priv->auto_tdls_list);
391 }
392 }
393}
394
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397
398
399
400
401
402
403
404static void
405mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter)
406{
407 del_timer(&adapter->wakeup_timer);
408 del_timer_sync(&adapter->devdump_timer);
409 mwifiex_cancel_all_pending_cmd(adapter);
410 wake_up_interruptible(&adapter->cmd_wait_q.wait);
411 wake_up_interruptible(&adapter->hs_activate_wait_q);
412}
413
414void mwifiex_free_cmd_buffers(struct mwifiex_adapter *adapter)
415{
416 mwifiex_invalidate_lists(adapter);
417
418
419 mwifiex_dbg(adapter, INFO, "info: free cmd buffer\n");
420 mwifiex_free_cmd_buffer(adapter);
421
422 if (adapter->sleep_cfm)
423 dev_kfree_skb_any(adapter->sleep_cfm);
424}
425
426
427
428
429
430int mwifiex_init_lock_list(struct mwifiex_adapter *adapter)
431{
432 struct mwifiex_private *priv;
433 s32 i, j;
434
435 spin_lock_init(&adapter->int_lock);
436 spin_lock_init(&adapter->main_proc_lock);
437 spin_lock_init(&adapter->mwifiex_cmd_lock);
438 spin_lock_init(&adapter->queue_lock);
439 for (i = 0; i < adapter->priv_num; i++) {
440 if (adapter->priv[i]) {
441 priv = adapter->priv[i];
442 spin_lock_init(&priv->rx_pkt_lock);
443 spin_lock_init(&priv->wmm.ra_list_spinlock);
444 spin_lock_init(&priv->curr_bcn_buf_lock);
445 spin_lock_init(&priv->sta_list_spinlock);
446 spin_lock_init(&priv->auto_tdls_lock);
447 }
448 }
449
450
451 INIT_LIST_HEAD(&adapter->cmd_free_q);
452
453 INIT_LIST_HEAD(&adapter->cmd_pending_q);
454
455 INIT_LIST_HEAD(&adapter->scan_pending_q);
456
457 spin_lock_init(&adapter->cmd_free_q_lock);
458 spin_lock_init(&adapter->cmd_pending_q_lock);
459 spin_lock_init(&adapter->scan_pending_q_lock);
460 spin_lock_init(&adapter->rx_proc_lock);
461
462 skb_queue_head_init(&adapter->rx_data_q);
463 skb_queue_head_init(&adapter->tx_data_q);
464
465 for (i = 0; i < adapter->priv_num; ++i) {
466 INIT_LIST_HEAD(&adapter->bss_prio_tbl[i].bss_prio_head);
467 spin_lock_init(&adapter->bss_prio_tbl[i].bss_prio_lock);
468 }
469
470 for (i = 0; i < adapter->priv_num; i++) {
471 if (!adapter->priv[i])
472 continue;
473 priv = adapter->priv[i];
474 for (j = 0; j < MAX_NUM_TID; ++j)
475 INIT_LIST_HEAD(&priv->wmm.tid_tbl_ptr[j].ra_list);
476 INIT_LIST_HEAD(&priv->tx_ba_stream_tbl_ptr);
477 INIT_LIST_HEAD(&priv->rx_reorder_tbl_ptr);
478 INIT_LIST_HEAD(&priv->sta_list);
479 INIT_LIST_HEAD(&priv->auto_tdls_list);
480 skb_queue_head_init(&priv->tdls_txq);
481 skb_queue_head_init(&priv->bypass_txq);
482
483 spin_lock_init(&priv->tx_ba_stream_tbl_lock);
484 spin_lock_init(&priv->rx_reorder_tbl_lock);
485
486 spin_lock_init(&priv->ack_status_lock);
487 idr_init(&priv->ack_status_frames);
488 }
489
490 return 0;
491}
492
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500
501
502
503
504int mwifiex_init_fw(struct mwifiex_adapter *adapter)
505{
506 int ret;
507 struct mwifiex_private *priv;
508 u8 i, first_sta = true;
509 int is_cmd_pend_q_empty;
510 unsigned long flags;
511
512 adapter->hw_status = MWIFIEX_HW_STATUS_INITIALIZING;
513
514
515 ret = mwifiex_allocate_adapter(adapter);
516 if (ret)
517 return -1;
518
519
520 mwifiex_init_adapter(adapter);
521
522 for (i = 0; i < adapter->priv_num; i++) {
523 if (adapter->priv[i]) {
524 priv = adapter->priv[i];
525
526
527 ret = mwifiex_init_priv(priv);
528 if (ret)
529 return -1;
530 }
531 }
532 if (adapter->mfg_mode) {
533 adapter->hw_status = MWIFIEX_HW_STATUS_READY;
534 ret = -EINPROGRESS;
535 } else {
536 for (i = 0; i < adapter->priv_num; i++) {
537 if (adapter->priv[i]) {
538 ret = mwifiex_sta_init_cmd(adapter->priv[i],
539 first_sta, true);
540 if (ret == -1)
541 return -1;
542
543 first_sta = false;
544 }
545
546
547
548 }
549 }
550
551 spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags);
552 is_cmd_pend_q_empty = list_empty(&adapter->cmd_pending_q);
553 spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags);
554 if (!is_cmd_pend_q_empty) {
555
556 if (mwifiex_main_process(adapter) != -1)
557 ret = -EINPROGRESS;
558 } else {
559 adapter->hw_status = MWIFIEX_HW_STATUS_READY;
560 }
561
562 return ret;
563}
564
565
566
567
568
569
570
571static void mwifiex_delete_bss_prio_tbl(struct mwifiex_private *priv)
572{
573 int i;
574 struct mwifiex_adapter *adapter = priv->adapter;
575 struct mwifiex_bss_prio_node *bssprio_node, *tmp_node;
576 struct list_head *head;
577 spinlock_t *lock;
578 unsigned long flags;
579
580 for (i = 0; i < adapter->priv_num; ++i) {
581 head = &adapter->bss_prio_tbl[i].bss_prio_head;
582 lock = &adapter->bss_prio_tbl[i].bss_prio_lock;
583 mwifiex_dbg(adapter, INFO,
584 "info: delete BSS priority table,\t"
585 "bss_type = %d, bss_num = %d, i = %d,\t"
586 "head = %p\n",
587 priv->bss_type, priv->bss_num, i, head);
588
589 {
590 spin_lock_irqsave(lock, flags);
591 list_for_each_entry_safe(bssprio_node, tmp_node, head,
592 list) {
593 if (bssprio_node->priv == priv) {
594 mwifiex_dbg(adapter, INFO,
595 "info: Delete\t"
596 "node %p, next = %p\n",
597 bssprio_node, tmp_node);
598 list_del(&bssprio_node->list);
599 kfree(bssprio_node);
600 }
601 }
602 spin_unlock_irqrestore(lock, flags);
603 }
604 }
605}
606
607
608
609
610
611void mwifiex_free_priv(struct mwifiex_private *priv)
612{
613 mwifiex_clean_txrx(priv);
614 mwifiex_delete_bss_prio_tbl(priv);
615 mwifiex_free_curr_bcn(priv);
616}
617
618
619
620
621
622
623
624
625
626
627
628
629void
630mwifiex_shutdown_drv(struct mwifiex_adapter *adapter)
631{
632 struct mwifiex_private *priv;
633 s32 i;
634 unsigned long flags;
635 struct sk_buff *skb;
636
637
638 if (adapter->hw_status == MWIFIEX_HW_STATUS_NOT_READY)
639 return;
640
641
642 if (adapter->curr_cmd) {
643 mwifiex_dbg(adapter, WARN,
644 "curr_cmd is still in processing\n");
645 del_timer_sync(&adapter->cmd_timer);
646 mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
647 adapter->curr_cmd = NULL;
648 }
649
650
651 mwifiex_dbg(adapter, MSG,
652 "info: shutdown mwifiex...\n");
653
654
655 for (i = 0; i < adapter->priv_num; i++) {
656 if (adapter->priv[i]) {
657 priv = adapter->priv[i];
658
659 mwifiex_clean_auto_tdls(priv);
660 mwifiex_abort_cac(priv);
661 mwifiex_free_priv(priv);
662 }
663 }
664
665 atomic_set(&adapter->tx_queued, 0);
666 while ((skb = skb_dequeue(&adapter->tx_data_q)))
667 mwifiex_write_data_complete(adapter, skb, 0, 0);
668
669 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
670
671 while ((skb = skb_dequeue(&adapter->rx_data_q))) {
672 struct mwifiex_rxinfo *rx_info = MWIFIEX_SKB_RXCB(skb);
673
674 atomic_dec(&adapter->rx_pending);
675 priv = adapter->priv[rx_info->bss_num];
676 if (priv)
677 priv->stats.rx_dropped++;
678
679 dev_kfree_skb_any(skb);
680 }
681
682 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
683
684 mwifiex_adapter_cleanup(adapter);
685
686 adapter->hw_status = MWIFIEX_HW_STATUS_NOT_READY;
687}
688
689
690
691
692
693
694
695
696
697
698
699
700
701int mwifiex_dnld_fw(struct mwifiex_adapter *adapter,
702 struct mwifiex_fw_image *pmfw)
703{
704 int ret;
705 u32 poll_num = 1;
706
707 if (adapter->if_ops.check_fw_status) {
708
709 ret = adapter->if_ops.check_fw_status(adapter, poll_num);
710 if (!ret) {
711 mwifiex_dbg(adapter, MSG,
712 "WLAN FW already running! Skip FW dnld\n");
713 return 0;
714 }
715 }
716
717
718 if (adapter->if_ops.check_winner_status) {
719 adapter->winner = 0;
720 ret = adapter->if_ops.check_winner_status(adapter);
721
722 poll_num = MAX_FIRMWARE_POLL_TRIES;
723 if (ret) {
724 mwifiex_dbg(adapter, MSG,
725 "WLAN read winner status failed!\n");
726 return ret;
727 }
728
729 if (!adapter->winner) {
730 mwifiex_dbg(adapter, MSG,
731 "WLAN is not the winner! Skip FW dnld\n");
732 goto poll_fw;
733 }
734 }
735
736 if (pmfw) {
737
738 ret = adapter->if_ops.prog_fw(adapter, pmfw);
739 if (ret) {
740 mwifiex_dbg(adapter, ERROR,
741 "prog_fw failed ret=%#x\n", ret);
742 return ret;
743 }
744 }
745
746poll_fw:
747
748 ret = adapter->if_ops.check_fw_status(adapter, poll_num);
749 if (ret)
750 mwifiex_dbg(adapter, ERROR,
751 "FW failed to be active in time\n");
752
753 return ret;
754}
755EXPORT_SYMBOL_GPL(mwifiex_dnld_fw);
756