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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#include "cfg80211.h"
28
29static int disconnect_on_suspend = 1;
30module_param(disconnect_on_suspend, int, 0644);
31
32
33
34
35
36
37
38
39int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
40 struct net_device *dev)
41{
42 int i = 0;
43 struct netdev_hw_addr *ha;
44
45 netdev_for_each_mc_addr(ha, dev)
46 memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN);
47
48 return i;
49}
50
51
52
53
54
55
56
57int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
58{
59 bool cancel_flag = false;
60 int status;
61 struct cmd_ctrl_node *cmd_queued;
62
63 if (!adapter->cmd_queued)
64 return 0;
65
66 cmd_queued = adapter->cmd_queued;
67 adapter->cmd_queued = NULL;
68
69 dev_dbg(adapter->dev, "cmd pending\n");
70 atomic_inc(&adapter->cmd_pending);
71
72
73 wait_event_interruptible(adapter->cmd_wait_q.wait,
74 *(cmd_queued->condition));
75 if (!*(cmd_queued->condition))
76 cancel_flag = true;
77
78 if (cancel_flag) {
79 mwifiex_cancel_pending_ioctl(adapter);
80 dev_dbg(adapter->dev, "cmd cancel\n");
81 }
82
83 status = adapter->cmd_wait_q.status;
84 adapter->cmd_wait_q.status = 0;
85
86 return status;
87}
88
89
90
91
92
93
94
95
96int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
97 struct mwifiex_multicast_list *mcast_list)
98{
99 int ret = 0;
100 u16 old_pkt_filter;
101
102 old_pkt_filter = priv->curr_pkt_filter;
103
104 if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
105 dev_dbg(priv->adapter->dev, "info: Enable Promiscuous mode\n");
106 priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
107 priv->curr_pkt_filter &=
108 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
109 } else {
110
111 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
112 if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) {
113 dev_dbg(priv->adapter->dev,
114 "info: Enabling All Multicast!\n");
115 priv->curr_pkt_filter |=
116 HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
117 } else {
118 priv->curr_pkt_filter &=
119 ~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
120 if (mcast_list->num_multicast_addr) {
121 dev_dbg(priv->adapter->dev,
122 "info: Set multicast list=%d\n",
123 mcast_list->num_multicast_addr);
124
125 if (old_pkt_filter == priv->curr_pkt_filter) {
126
127 ret = mwifiex_send_cmd_async(priv,
128 HostCmd_CMD_MAC_MULTICAST_ADR,
129 HostCmd_ACT_GEN_SET, 0,
130 mcast_list);
131 } else {
132
133 ret = mwifiex_send_cmd_async(priv,
134 HostCmd_CMD_MAC_MULTICAST_ADR,
135 HostCmd_ACT_GEN_SET, 0,
136 mcast_list);
137 }
138 }
139 }
140 }
141 dev_dbg(priv->adapter->dev,
142 "info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n",
143 old_pkt_filter, priv->curr_pkt_filter);
144 if (old_pkt_filter != priv->curr_pkt_filter) {
145 ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
146 HostCmd_ACT_GEN_SET,
147 0, &priv->curr_pkt_filter);
148 }
149
150 return ret;
151}
152
153
154
155
156
157int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
158 struct cfg80211_bss *bss,
159 struct mwifiex_bssdescriptor *bss_desc)
160{
161 int ret;
162 u8 *beacon_ie;
163 struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
164
165 beacon_ie = kmemdup(bss->information_elements, bss->len_beacon_ies,
166 GFP_KERNEL);
167 if (!beacon_ie) {
168 dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
169 return -ENOMEM;
170 }
171
172 memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
173 bss_desc->rssi = bss->signal;
174 bss_desc->beacon_buf = beacon_ie;
175 bss_desc->beacon_buf_size = bss->len_beacon_ies;
176 bss_desc->beacon_period = bss->beacon_interval;
177 bss_desc->cap_info_bitmap = bss->capability;
178 bss_desc->bss_band = bss_priv->band;
179 bss_desc->fw_tsf = bss_priv->fw_tsf;
180 bss_desc->timestamp = bss->tsf;
181 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
182 dev_dbg(priv->adapter->dev, "info: InterpretIE: AP WEP enabled\n");
183 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
184 } else {
185 bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
186 }
187 if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
188 bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
189 else
190 bss_desc->bss_mode = NL80211_IFTYPE_STATION;
191
192 ret = mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
193
194 kfree(beacon_ie);
195 return ret;
196}
197
198static int mwifiex_process_country_ie(struct mwifiex_private *priv,
199 struct cfg80211_bss *bss)
200{
201 u8 *country_ie, country_ie_len;
202 struct mwifiex_802_11d_domain_reg *domain_info =
203 &priv->adapter->domain_reg;
204
205 country_ie = (u8 *)ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
206
207 if (!country_ie)
208 return 0;
209
210 country_ie_len = country_ie[1];
211 if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN)
212 return 0;
213
214 domain_info->country_code[0] = country_ie[2];
215 domain_info->country_code[1] = country_ie[3];
216 domain_info->country_code[2] = ' ';
217
218 country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
219
220 domain_info->no_of_triplet =
221 country_ie_len / sizeof(struct ieee80211_country_ie_triplet);
222
223 memcpy((u8 *)domain_info->triplet,
224 &country_ie[2] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
225
226 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
227 HostCmd_ACT_GEN_SET, 0, NULL)) {
228 wiphy_err(priv->adapter->wiphy,
229 "11D: setting domain info in FW\n");
230 return -1;
231 }
232
233 return 0;
234}
235
236
237
238
239
240
241int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
242 struct cfg80211_ssid *req_ssid)
243{
244 int ret;
245 struct mwifiex_adapter *adapter = priv->adapter;
246 struct mwifiex_bssdescriptor *bss_desc = NULL;
247
248 priv->scan_block = false;
249
250 if (bss) {
251 mwifiex_process_country_ie(priv, bss);
252
253
254 bss_desc = kzalloc(sizeof(struct mwifiex_bssdescriptor),
255 GFP_KERNEL);
256 if (!bss_desc) {
257 dev_err(priv->adapter->dev, " failed to alloc bss_desc\n");
258 return -ENOMEM;
259 }
260
261 ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
262 if (ret)
263 goto done;
264 }
265
266 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
267
268 ret = mwifiex_deauthenticate(priv, NULL);
269 if (ret)
270 goto done;
271
272 ret = mwifiex_check_network_compatibility(priv, bss_desc);
273 if (ret)
274 goto done;
275
276 dev_dbg(adapter->dev, "info: SSID found in scan list ... "
277 "associating...\n");
278
279 if (!netif_queue_stopped(priv->netdev))
280 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
281 if (netif_carrier_ok(priv->netdev))
282 netif_carrier_off(priv->netdev);
283
284
285
286 priv->assoc_rsp_size = 0;
287 ret = mwifiex_associate(priv, bss_desc);
288
289
290
291 if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
292 priv->sec_info.is_authtype_auto &&
293 priv->sec_info.wep_enabled) {
294 priv->sec_info.authentication_mode =
295 NL80211_AUTHTYPE_SHARED_KEY;
296 ret = mwifiex_associate(priv, bss_desc);
297 }
298
299 if (bss)
300 cfg80211_put_bss(bss);
301 } else {
302
303
304 if (bss_desc && bss_desc->ssid.ssid_len &&
305 (!mwifiex_ssid_cmp(&priv->curr_bss_params.bss_descriptor.
306 ssid, &bss_desc->ssid))) {
307 kfree(bss_desc);
308 return 0;
309 }
310
311
312 dev_dbg(adapter->dev, "info: Sending Adhoc Stop\n");
313 ret = mwifiex_deauthenticate(priv, NULL);
314 if (ret)
315 goto done;
316
317 priv->adhoc_is_link_sensed = false;
318
319 ret = mwifiex_check_network_compatibility(priv, bss_desc);
320
321 if (!netif_queue_stopped(priv->netdev))
322 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
323 if (netif_carrier_ok(priv->netdev))
324 netif_carrier_off(priv->netdev);
325
326 if (!ret) {
327 dev_dbg(adapter->dev, "info: network found in scan"
328 " list. Joining...\n");
329 ret = mwifiex_adhoc_join(priv, bss_desc);
330 if (bss)
331 cfg80211_put_bss(bss);
332 } else {
333 dev_dbg(adapter->dev, "info: Network not found in "
334 "the list, creating adhoc with ssid = %s\n",
335 req_ssid->ssid);
336 ret = mwifiex_adhoc_start(priv, req_ssid);
337 }
338 }
339
340done:
341 kfree(bss_desc);
342 return ret;
343}
344
345
346
347
348
349
350
351static int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
352 int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
353
354{
355 struct mwifiex_adapter *adapter = priv->adapter;
356 int status = 0;
357 u32 prev_cond = 0;
358
359 if (!hs_cfg)
360 return -ENOMEM;
361
362 switch (action) {
363 case HostCmd_ACT_GEN_SET:
364 if (adapter->pps_uapsd_mode) {
365 dev_dbg(adapter->dev, "info: Host Sleep IOCTL"
366 " is blocked in UAPSD/PPS mode\n");
367 status = -1;
368 break;
369 }
370 if (hs_cfg->is_invoke_hostcmd) {
371 if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL) {
372 if (!adapter->is_hs_configured)
373
374 break;
375
376 prev_cond = le32_to_cpu(adapter->hs_cfg
377 .conditions);
378 adapter->hs_cfg.conditions =
379 cpu_to_le32(hs_cfg->conditions);
380 } else if (hs_cfg->conditions) {
381 adapter->hs_cfg.conditions =
382 cpu_to_le32(hs_cfg->conditions);
383 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
384 if (hs_cfg->gap)
385 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
386 } else if (adapter->hs_cfg.conditions
387 == cpu_to_le32(HOST_SLEEP_CFG_CANCEL)) {
388
389
390 status = -1;
391 break;
392 }
393 if (cmd_type == MWIFIEX_SYNC_CMD)
394 status = mwifiex_send_cmd_sync(priv,
395 HostCmd_CMD_802_11_HS_CFG_ENH,
396 HostCmd_ACT_GEN_SET, 0,
397 &adapter->hs_cfg);
398 else
399 status = mwifiex_send_cmd_async(priv,
400 HostCmd_CMD_802_11_HS_CFG_ENH,
401 HostCmd_ACT_GEN_SET, 0,
402 &adapter->hs_cfg);
403 if (hs_cfg->conditions == HOST_SLEEP_CFG_CANCEL)
404
405 adapter->hs_cfg.conditions =
406 cpu_to_le32(prev_cond);
407 } else {
408 adapter->hs_cfg.conditions =
409 cpu_to_le32(hs_cfg->conditions);
410 adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
411 adapter->hs_cfg.gap = (u8)hs_cfg->gap;
412 }
413 break;
414 case HostCmd_ACT_GEN_GET:
415 hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
416 hs_cfg->gpio = adapter->hs_cfg.gpio;
417 hs_cfg->gap = adapter->hs_cfg.gap;
418 break;
419 default:
420 status = -1;
421 break;
422 }
423
424 return status;
425}
426
427
428
429
430
431
432
433int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
434{
435 struct mwifiex_ds_hs_cfg hscfg;
436
437 hscfg.conditions = HOST_SLEEP_CFG_CANCEL;
438 hscfg.is_invoke_hostcmd = true;
439
440 return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
441 cmd_type, &hscfg);
442}
443EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
444
445
446
447
448
449
450
451int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
452{
453 struct mwifiex_ds_hs_cfg hscfg;
454 struct mwifiex_private *priv;
455 int i;
456
457 if (disconnect_on_suspend) {
458 for (i = 0; i < adapter->priv_num; i++) {
459 priv = adapter->priv[i];
460 if (priv)
461 mwifiex_deauthenticate(priv, NULL);
462 }
463 }
464
465 if (adapter->hs_activated) {
466 dev_dbg(adapter->dev, "cmd: HS Already actived\n");
467 return true;
468 }
469
470 adapter->hs_activate_wait_q_woken = false;
471
472 memset(&hscfg, 0, sizeof(struct mwifiex_ds_hs_cfg));
473 hscfg.is_invoke_hostcmd = true;
474
475 if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
476 MWIFIEX_BSS_ROLE_STA),
477 HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
478 &hscfg)) {
479 dev_err(adapter->dev, "IOCTL request HS enable failed\n");
480 return false;
481 }
482
483 wait_event_interruptible(adapter->hs_activate_wait_q,
484 adapter->hs_activate_wait_q_woken);
485
486 return true;
487}
488EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
489
490
491
492
493
494
495
496int mwifiex_get_bss_info(struct mwifiex_private *priv,
497 struct mwifiex_bss_info *info)
498{
499 struct mwifiex_adapter *adapter = priv->adapter;
500 struct mwifiex_bssdescriptor *bss_desc;
501
502 if (!info)
503 return -1;
504
505 bss_desc = &priv->curr_bss_params.bss_descriptor;
506
507 info->bss_mode = priv->bss_mode;
508
509 memcpy(&info->ssid, &bss_desc->ssid, sizeof(struct cfg80211_ssid));
510
511 memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
512
513 info->bss_chan = bss_desc->channel;
514
515 memcpy(info->country_code, adapter->country_code,
516 IEEE80211_COUNTRY_STRING_LEN);
517
518 info->media_connected = priv->media_connected;
519
520 info->max_power_level = priv->max_tx_power_level;
521 info->min_power_level = priv->min_tx_power_level;
522
523 info->adhoc_state = priv->adhoc_state;
524
525 info->bcn_nf_last = priv->bcn_nf_last;
526
527 if (priv->sec_info.wep_enabled)
528 info->wep_status = true;
529 else
530 info->wep_status = false;
531
532 info->is_hs_configured = adapter->is_hs_configured;
533 info->is_deep_sleep = adapter->is_deep_sleep;
534
535 return 0;
536}
537
538
539
540
541int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
542{
543 struct mwifiex_ds_auto_ds auto_ds;
544
545 auto_ds.auto_ds = DEEP_SLEEP_OFF;
546
547 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
548 DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds);
549}
550EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
551
552
553
554
555
556
557
558int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
559{
560 int ret;
561
562 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
563 HostCmd_ACT_GEN_GET, 0, NULL);
564
565 if (!ret) {
566 if (priv->is_data_rate_auto)
567 *rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
568 priv->tx_htinfo);
569 else
570 *rate = priv->data_rate;
571 }
572
573 return ret;
574}
575
576
577
578
579
580
581
582
583
584
585
586
587
588int mwifiex_set_tx_power(struct mwifiex_private *priv,
589 struct mwifiex_power_cfg *power_cfg)
590{
591 int ret;
592 struct host_cmd_ds_txpwr_cfg *txp_cfg;
593 struct mwifiex_types_power_group *pg_tlv;
594 struct mwifiex_power_group *pg;
595 u8 *buf;
596 u16 dbm = 0;
597
598 if (!power_cfg->is_power_auto) {
599 dbm = (u16) power_cfg->power_level;
600 if ((dbm < priv->min_tx_power_level) ||
601 (dbm > priv->max_tx_power_level)) {
602 dev_err(priv->adapter->dev, "txpower value %d dBm"
603 " is out of range (%d dBm-%d dBm)\n",
604 dbm, priv->min_tx_power_level,
605 priv->max_tx_power_level);
606 return -1;
607 }
608 }
609 buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
610 if (!buf) {
611 dev_err(priv->adapter->dev, "%s: failed to alloc cmd buffer\n",
612 __func__);
613 return -ENOMEM;
614 }
615
616 txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
617 txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
618 if (!power_cfg->is_power_auto) {
619 txp_cfg->mode = cpu_to_le32(1);
620 pg_tlv = (struct mwifiex_types_power_group *)
621 (buf + sizeof(struct host_cmd_ds_txpwr_cfg));
622 pg_tlv->type = TLV_TYPE_POWER_GROUP;
623 pg_tlv->length = 4 * sizeof(struct mwifiex_power_group);
624 pg = (struct mwifiex_power_group *)
625 (buf + sizeof(struct host_cmd_ds_txpwr_cfg)
626 + sizeof(struct mwifiex_types_power_group));
627
628 pg->first_rate_code = 0x00;
629 pg->last_rate_code = 0x03;
630 pg->modulation_class = MOD_CLASS_HR_DSSS;
631 pg->power_step = 0;
632 pg->power_min = (s8) dbm;
633 pg->power_max = (s8) dbm;
634 pg++;
635
636 pg->first_rate_code = 0x00;
637 pg->last_rate_code = 0x07;
638 pg->modulation_class = MOD_CLASS_OFDM;
639 pg->power_step = 0;
640 pg->power_min = (s8) dbm;
641 pg->power_max = (s8) dbm;
642 pg++;
643
644 pg->first_rate_code = 0x00;
645 pg->last_rate_code = 0x20;
646 pg->modulation_class = MOD_CLASS_HT;
647 pg->power_step = 0;
648 pg->power_min = (s8) dbm;
649 pg->power_max = (s8) dbm;
650 pg->ht_bandwidth = HT_BW_20;
651 pg++;
652
653 pg->first_rate_code = 0x00;
654 pg->last_rate_code = 0x20;
655 pg->modulation_class = MOD_CLASS_HT;
656 pg->power_step = 0;
657 pg->power_min = (s8) dbm;
658 pg->power_max = (s8) dbm;
659 pg->ht_bandwidth = HT_BW_40;
660 }
661 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_TXPWR_CFG,
662 HostCmd_ACT_GEN_SET, 0, buf);
663
664 kfree(buf);
665 return ret;
666}
667
668
669
670
671
672
673
674int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
675{
676 int ret;
677 struct mwifiex_adapter *adapter = priv->adapter;
678 u16 sub_cmd;
679
680 if (*ps_mode)
681 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
682 else
683 adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
684 sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
685 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
686 sub_cmd, BITMAP_STA_PS, NULL);
687 if ((!ret) && (sub_cmd == DIS_AUTO_PS))
688 ret = mwifiex_send_cmd_async(priv,
689 HostCmd_CMD_802_11_PS_MODE_ENH,
690 GET_PS, 0, NULL);
691
692 return ret;
693}
694
695
696
697
698
699
700
701
702static int mwifiex_set_wpa_ie_helper(struct mwifiex_private *priv,
703 u8 *ie_data_ptr, u16 ie_len)
704{
705 if (ie_len) {
706 if (ie_len > sizeof(priv->wpa_ie)) {
707 dev_err(priv->adapter->dev,
708 "failed to copy WPA IE, too big\n");
709 return -1;
710 }
711 memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
712 priv->wpa_ie_len = (u8) ie_len;
713 dev_dbg(priv->adapter->dev, "cmd: Set Wpa_ie_len=%d IE=%#x\n",
714 priv->wpa_ie_len, priv->wpa_ie[0]);
715
716 if (priv->wpa_ie[0] == WLAN_EID_WPA) {
717 priv->sec_info.wpa_enabled = true;
718 } else if (priv->wpa_ie[0] == WLAN_EID_RSN) {
719 priv->sec_info.wpa2_enabled = true;
720 } else {
721 priv->sec_info.wpa_enabled = false;
722 priv->sec_info.wpa2_enabled = false;
723 }
724 } else {
725 memset(priv->wpa_ie, 0, sizeof(priv->wpa_ie));
726 priv->wpa_ie_len = 0;
727 dev_dbg(priv->adapter->dev, "info: reset wpa_ie_len=%d IE=%#x\n",
728 priv->wpa_ie_len, priv->wpa_ie[0]);
729 priv->sec_info.wpa_enabled = false;
730 priv->sec_info.wpa2_enabled = false;
731 }
732
733 return 0;
734}
735
736
737
738
739
740
741
742
743static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
744 u8 *ie_data_ptr, u16 ie_len)
745{
746 if (ie_len) {
747 if (ie_len > sizeof(priv->wapi_ie)) {
748 dev_dbg(priv->adapter->dev,
749 "info: failed to copy WAPI IE, too big\n");
750 return -1;
751 }
752 memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
753 priv->wapi_ie_len = ie_len;
754 dev_dbg(priv->adapter->dev, "cmd: Set wapi_ie_len=%d IE=%#x\n",
755 priv->wapi_ie_len, priv->wapi_ie[0]);
756
757 if (priv->wapi_ie[0] == WLAN_EID_BSS_AC_ACCESS_DELAY)
758 priv->sec_info.wapi_enabled = true;
759 } else {
760 memset(priv->wapi_ie, 0, sizeof(priv->wapi_ie));
761 priv->wapi_ie_len = ie_len;
762 dev_dbg(priv->adapter->dev,
763 "info: Reset wapi_ie_len=%d IE=%#x\n",
764 priv->wapi_ie_len, priv->wapi_ie[0]);
765 priv->sec_info.wapi_enabled = false;
766 }
767 return 0;
768}
769
770
771
772
773
774
775
776
777static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
778 u8 *ie_data_ptr, u16 ie_len)
779{
780 if (ie_len) {
781 priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
782 if (!priv->wps_ie)
783 return -ENOMEM;
784 if (ie_len > sizeof(priv->wps_ie)) {
785 dev_dbg(priv->adapter->dev,
786 "info: failed to copy WPS IE, too big\n");
787 kfree(priv->wps_ie);
788 return -1;
789 }
790 memcpy(priv->wps_ie, ie_data_ptr, ie_len);
791 priv->wps_ie_len = ie_len;
792 dev_dbg(priv->adapter->dev, "cmd: Set wps_ie_len=%d IE=%#x\n",
793 priv->wps_ie_len, priv->wps_ie[0]);
794 } else {
795 kfree(priv->wps_ie);
796 priv->wps_ie_len = ie_len;
797 dev_dbg(priv->adapter->dev,
798 "info: Reset wps_ie_len=%d\n", priv->wps_ie_len);
799 }
800 return 0;
801}
802
803
804
805
806
807
808
809static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
810 struct mwifiex_ds_encrypt_key *encrypt_key)
811{
812
813 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
814 HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
815 encrypt_key);
816}
817
818
819
820
821
822
823
824static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
825 struct mwifiex_ds_encrypt_key *encrypt_key)
826{
827 int ret;
828 struct mwifiex_wep_key *wep_key;
829 int index;
830
831 if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
832 priv->wep_key_curr_index = 0;
833 wep_key = &priv->wep_key[priv->wep_key_curr_index];
834 index = encrypt_key->key_index;
835 if (encrypt_key->key_disable) {
836 priv->sec_info.wep_enabled = 0;
837 } else if (!encrypt_key->key_len) {
838
839 wep_key = &priv->wep_key[index];
840 if (!wep_key->key_length) {
841 dev_err(priv->adapter->dev,
842 "key not set, so cannot enable it\n");
843 return -1;
844 }
845 priv->wep_key_curr_index = (u16) index;
846 priv->sec_info.wep_enabled = 1;
847 } else {
848 wep_key = &priv->wep_key[index];
849 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
850
851 memcpy(wep_key->key_material,
852 encrypt_key->key_material,
853 encrypt_key->key_len);
854 wep_key->key_index = index;
855 wep_key->key_length = encrypt_key->key_len;
856 priv->sec_info.wep_enabled = 1;
857 }
858 if (wep_key->key_length) {
859
860 ret = mwifiex_send_cmd_async(priv,
861 HostCmd_CMD_802_11_KEY_MATERIAL,
862 HostCmd_ACT_GEN_SET, 0, NULL);
863 if (ret)
864 return ret;
865 }
866 if (priv->sec_info.wep_enabled)
867 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
868 else
869 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
870
871 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
872 HostCmd_ACT_GEN_SET, 0,
873 &priv->curr_pkt_filter);
874
875 return ret;
876}
877
878
879
880
881
882
883
884
885
886
887
888static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
889 struct mwifiex_ds_encrypt_key *encrypt_key)
890{
891 int ret;
892 u8 remove_key = false;
893 struct host_cmd_ds_802_11_key_material *ibss_key;
894
895
896 if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
897 dev_err(priv->adapter->dev, "key length too long\n");
898 return -1;
899 }
900
901 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
902
903
904
905
906
907 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
908 ret = mwifiex_send_cmd_async(priv,
909 HostCmd_CMD_802_11_KEY_MATERIAL,
910 HostCmd_ACT_GEN_SET,
911 KEY_INFO_ENABLED, encrypt_key);
912 if (ret)
913 return ret;
914
915 ibss_key = &priv->aes_key;
916 memset(ibss_key, 0,
917 sizeof(struct host_cmd_ds_802_11_key_material));
918
919 memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
920 encrypt_key->key_len);
921 memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
922 sizeof(ibss_key->key_param_set.key_len));
923 ibss_key->key_param_set.key_type_id
924 = cpu_to_le16(KEY_TYPE_ID_TKIP);
925 ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
926
927
928 encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
929 }
930
931 if (!encrypt_key->key_index)
932 encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
933
934 if (remove_key)
935 ret = mwifiex_send_cmd_sync(priv,
936 HostCmd_CMD_802_11_KEY_MATERIAL,
937 HostCmd_ACT_GEN_SET,
938 !KEY_INFO_ENABLED, encrypt_key);
939 else
940 ret = mwifiex_send_cmd_sync(priv,
941 HostCmd_CMD_802_11_KEY_MATERIAL,
942 HostCmd_ACT_GEN_SET,
943 KEY_INFO_ENABLED, encrypt_key);
944
945 return ret;
946}
947
948
949
950
951
952
953
954static int
955mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
956 struct mwifiex_ds_encrypt_key *encrypt_key)
957{
958 int status;
959
960 if (encrypt_key->is_wapi_key)
961 status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
962 else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
963 status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
964 else
965 status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
966 return status;
967}
968
969
970
971
972int
973mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
974 int max_len)
975{
976 union {
977 u32 l;
978 u8 c[4];
979 } ver;
980 char fw_ver[32];
981
982 ver.l = adapter->fw_release_number;
983 sprintf(fw_ver, "%u.%u.%u.p%u", ver.c[2], ver.c[1], ver.c[0], ver.c[3]);
984
985 snprintf(version, max_len, driver_version, fw_ver);
986
987 dev_dbg(adapter->dev, "info: MWIFIEX VERSION: %s\n", version);
988
989 return 0;
990}
991
992
993
994
995
996
997
998int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
999 const u8 *key, int key_len, u8 key_index,
1000 const u8 *mac_addr, int disable)
1001{
1002 struct mwifiex_ds_encrypt_key encrypt_key;
1003
1004 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
1005 encrypt_key.key_len = key_len;
1006
1007 if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
1008 encrypt_key.is_igtk_key = true;
1009
1010 if (!disable) {
1011 encrypt_key.key_index = key_index;
1012 if (key_len)
1013 memcpy(encrypt_key.key_material, key, key_len);
1014 if (mac_addr)
1015 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1016 if (kp && kp->seq && kp->seq_len)
1017 memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
1018 } else {
1019 encrypt_key.key_disable = true;
1020 if (mac_addr)
1021 memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
1022 }
1023
1024 return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
1025}
1026
1027
1028
1029
1030
1031
1032
1033int
1034mwifiex_get_ver_ext(struct mwifiex_private *priv)
1035{
1036 struct mwifiex_ver_ext ver_ext;
1037
1038 memset(&ver_ext, 0, sizeof(struct host_cmd_ds_version_ext));
1039 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_VERSION_EXT,
1040 HostCmd_ACT_GEN_GET, 0, &ver_ext))
1041 return -1;
1042
1043 return 0;
1044}
1045
1046int
1047mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
1048 struct ieee80211_channel *chan,
1049 enum nl80211_channel_type *ct,
1050 unsigned int duration)
1051{
1052 struct host_cmd_ds_remain_on_chan roc_cfg;
1053 u8 sc;
1054
1055 memset(&roc_cfg, 0, sizeof(roc_cfg));
1056 roc_cfg.action = cpu_to_le16(action);
1057 if (action == HostCmd_ACT_GEN_SET) {
1058 roc_cfg.band_cfg = chan->band;
1059 sc = mwifiex_chan_type_to_sec_chan_offset(*ct);
1060 roc_cfg.band_cfg |= (sc << 2);
1061
1062 roc_cfg.channel =
1063 ieee80211_frequency_to_channel(chan->center_freq);
1064 roc_cfg.duration = cpu_to_le32(duration);
1065 }
1066 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_REMAIN_ON_CHAN,
1067 action, 0, &roc_cfg)) {
1068 dev_err(priv->adapter->dev, "failed to remain on channel\n");
1069 return -1;
1070 }
1071
1072 return roc_cfg.status;
1073}
1074
1075int
1076mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role)
1077{
1078 if (GET_BSS_ROLE(priv) == bss_role) {
1079 dev_dbg(priv->adapter->dev,
1080 "info: already in the desired role.\n");
1081 return 0;
1082 }
1083
1084 mwifiex_free_priv(priv);
1085 mwifiex_init_priv(priv);
1086
1087 priv->bss_role = bss_role;
1088 switch (bss_role) {
1089 case MWIFIEX_BSS_ROLE_UAP:
1090 priv->bss_mode = NL80211_IFTYPE_AP;
1091 break;
1092 case MWIFIEX_BSS_ROLE_STA:
1093 case MWIFIEX_BSS_ROLE_ANY:
1094 default:
1095 priv->bss_mode = NL80211_IFTYPE_STATION;
1096 break;
1097 }
1098
1099 mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
1100 HostCmd_ACT_GEN_SET, 0, NULL);
1101
1102 return mwifiex_sta_init_cmd(priv, false);
1103}
1104
1105
1106
1107
1108
1109
1110
1111int
1112mwifiex_get_stats_info(struct mwifiex_private *priv,
1113 struct mwifiex_ds_get_stats *log)
1114{
1115 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
1116 HostCmd_ACT_GEN_GET, 0, log);
1117}
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
1133 struct mwifiex_ds_reg_rw *reg_rw,
1134 u16 action)
1135{
1136 u16 cmd_no;
1137
1138 switch (le32_to_cpu(reg_rw->type)) {
1139 case MWIFIEX_REG_MAC:
1140 cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
1141 break;
1142 case MWIFIEX_REG_BBP:
1143 cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
1144 break;
1145 case MWIFIEX_REG_RF:
1146 cmd_no = HostCmd_CMD_RF_REG_ACCESS;
1147 break;
1148 case MWIFIEX_REG_PMIC:
1149 cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
1150 break;
1151 case MWIFIEX_REG_CAU:
1152 cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
1153 break;
1154 default:
1155 return -1;
1156 }
1157
1158 return mwifiex_send_cmd_sync(priv, cmd_no, action, 0, reg_rw);
1159
1160}
1161
1162
1163
1164
1165
1166
1167
1168int
1169mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
1170 u32 reg_offset, u32 reg_value)
1171{
1172 struct mwifiex_ds_reg_rw reg_rw;
1173
1174 reg_rw.type = cpu_to_le32(reg_type);
1175 reg_rw.offset = cpu_to_le32(reg_offset);
1176 reg_rw.value = cpu_to_le32(reg_value);
1177
1178 return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
1179}
1180
1181
1182
1183
1184
1185
1186
1187int
1188mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
1189 u32 reg_offset, u32 *value)
1190{
1191 int ret;
1192 struct mwifiex_ds_reg_rw reg_rw;
1193
1194 reg_rw.type = cpu_to_le32(reg_type);
1195 reg_rw.offset = cpu_to_le32(reg_offset);
1196 ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
1197
1198 if (ret)
1199 goto done;
1200
1201 *value = le32_to_cpu(reg_rw.value);
1202
1203done:
1204 return ret;
1205}
1206
1207
1208
1209
1210
1211
1212
1213int
1214mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
1215 u8 *value)
1216{
1217 int ret;
1218 struct mwifiex_ds_read_eeprom rd_eeprom;
1219
1220 rd_eeprom.offset = cpu_to_le16((u16) offset);
1221 rd_eeprom.byte_count = cpu_to_le16((u16) bytes);
1222
1223
1224 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
1225 HostCmd_ACT_GEN_GET, 0, &rd_eeprom);
1226
1227 if (!ret)
1228 memcpy(value, rd_eeprom.value, MAX_EEPROM_DATA);
1229 return ret;
1230}
1231
1232
1233
1234
1235
1236static int
1237mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
1238 u16 ie_len)
1239{
1240 int ret = 0;
1241 struct ieee_types_vendor_header *pvendor_ie;
1242 const u8 wpa_oui[] = { 0x00, 0x50, 0xf2, 0x01 };
1243 const u8 wps_oui[] = { 0x00, 0x50, 0xf2, 0x04 };
1244
1245
1246 if (!ie_len) {
1247 priv->gen_ie_buf_len = 0;
1248 priv->wps.session_enable = false;
1249
1250 return 0;
1251 } else if (!ie_data_ptr) {
1252 return -1;
1253 }
1254 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1255
1256 if (((pvendor_ie->element_id == WLAN_EID_WPA) &&
1257 (!memcmp(pvendor_ie->oui, wpa_oui, sizeof(wpa_oui)))) ||
1258 (pvendor_ie->element_id == WLAN_EID_RSN)) {
1259
1260
1261 ret = mwifiex_set_wpa_ie_helper(priv, ie_data_ptr, ie_len);
1262 priv->wps.session_enable = false;
1263
1264 return ret;
1265 } else if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
1266
1267 ret = mwifiex_set_wapi_ie(priv, ie_data_ptr, ie_len);
1268
1269 return ret;
1270 }
1271
1272
1273
1274
1275 if (ie_len < (sizeof(priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
1276
1277
1278
1279
1280 pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
1281 if ((pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) &&
1282 (!memcmp(pvendor_ie->oui, wps_oui, sizeof(wps_oui)))) {
1283 priv->wps.session_enable = true;
1284 dev_dbg(priv->adapter->dev,
1285 "info: WPS Session Enabled.\n");
1286 ret = mwifiex_set_wps_ie(priv, ie_data_ptr, ie_len);
1287 }
1288
1289
1290
1291 memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len, ie_data_ptr,
1292 ie_len);
1293
1294
1295 priv->gen_ie_buf_len += ie_len;
1296 } else {
1297
1298
1299 ret = -1;
1300 }
1301
1302
1303 return ret;
1304}
1305
1306
1307
1308
1309
1310
1311
1312static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
1313 struct mwifiex_ds_misc_gen_ie *gen_ie,
1314 u16 action)
1315{
1316 struct mwifiex_adapter *adapter = priv->adapter;
1317
1318 switch (gen_ie->type) {
1319 case MWIFIEX_IE_TYPE_GEN_IE:
1320 if (action == HostCmd_ACT_GEN_GET) {
1321 gen_ie->len = priv->wpa_ie_len;
1322 memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
1323 } else {
1324 mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
1325 (u16) gen_ie->len);
1326 }
1327 break;
1328 case MWIFIEX_IE_TYPE_ARP_FILTER:
1329 memset(adapter->arp_filter, 0, sizeof(adapter->arp_filter));
1330 if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
1331 adapter->arp_filter_size = 0;
1332 dev_err(adapter->dev, "invalid ARP filter size\n");
1333 return -1;
1334 } else {
1335 memcpy(adapter->arp_filter, gen_ie->ie_data,
1336 gen_ie->len);
1337 adapter->arp_filter_size = gen_ie->len;
1338 }
1339 break;
1340 default:
1341 dev_err(adapter->dev, "invalid IE type\n");
1342 return -1;
1343 }
1344 return 0;
1345}
1346
1347
1348
1349
1350
1351
1352
1353int
1354mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len)
1355{
1356 struct mwifiex_ds_misc_gen_ie gen_ie;
1357
1358 if (ie_len > IEEE_MAX_IE_SIZE)
1359 return -EFAULT;
1360
1361 gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
1362 gen_ie.len = ie_len;
1363 memcpy(gen_ie.ie_data, ie, ie_len);
1364 if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))
1365 return -EFAULT;
1366
1367 return 0;
1368}
1369