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Merge remote-tracking branch 'keys/keys-next'
[deliverable/linux.git] / drivers / net / wireless / marvell / mwifiex / cfg80211.c
1 /*
2 * Marvell Wireless LAN device driver: CFG80211
3 *
4 * Copyright (C) 2011-2014, Marvell International Ltd.
5 *
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20 #include "cfg80211.h"
21 #include "main.h"
22 #include "11n.h"
23 #include "wmm.h"
24
25 static char *reg_alpha2;
26 module_param(reg_alpha2, charp, 0);
27
28 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
29 {
30 .max = 3, .types = BIT(NL80211_IFTYPE_STATION) |
31 BIT(NL80211_IFTYPE_P2P_GO) |
32 BIT(NL80211_IFTYPE_P2P_CLIENT) |
33 BIT(NL80211_IFTYPE_AP),
34 },
35 };
36
37 static const struct ieee80211_iface_combination
38 mwifiex_iface_comb_ap_sta = {
39 .limits = mwifiex_ap_sta_limits,
40 .num_different_channels = 1,
41 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
42 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
43 .beacon_int_infra_match = true,
44 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
45 BIT(NL80211_CHAN_WIDTH_20) |
46 BIT(NL80211_CHAN_WIDTH_40),
47 };
48
49 static const struct ieee80211_iface_combination
50 mwifiex_iface_comb_ap_sta_vht = {
51 .limits = mwifiex_ap_sta_limits,
52 .num_different_channels = 1,
53 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
54 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
55 .beacon_int_infra_match = true,
56 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
57 BIT(NL80211_CHAN_WIDTH_20) |
58 BIT(NL80211_CHAN_WIDTH_40) |
59 BIT(NL80211_CHAN_WIDTH_80),
60 };
61
62 static const struct
63 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
64 .limits = mwifiex_ap_sta_limits,
65 .num_different_channels = 2,
66 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
67 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
68 .beacon_int_infra_match = true,
69 };
70
71 /*
72 * This function maps the nl802.11 channel type into driver channel type.
73 *
74 * The mapping is as follows -
75 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
76 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
77 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
78 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
79 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
80 */
81 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
82 {
83 switch (chan_type) {
84 case NL80211_CHAN_NO_HT:
85 case NL80211_CHAN_HT20:
86 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
87 case NL80211_CHAN_HT40PLUS:
88 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
89 case NL80211_CHAN_HT40MINUS:
90 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
91 default:
92 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
93 }
94 }
95
96 /* This function maps IEEE HT secondary channel type to NL80211 channel type
97 */
98 u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset)
99 {
100 switch (second_chan_offset) {
101 case IEEE80211_HT_PARAM_CHA_SEC_NONE:
102 return NL80211_CHAN_HT20;
103 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
104 return NL80211_CHAN_HT40PLUS;
105 case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
106 return NL80211_CHAN_HT40MINUS;
107 default:
108 return NL80211_CHAN_HT20;
109 }
110 }
111
112 /*
113 * This function checks whether WEP is set.
114 */
115 static int
116 mwifiex_is_alg_wep(u32 cipher)
117 {
118 switch (cipher) {
119 case WLAN_CIPHER_SUITE_WEP40:
120 case WLAN_CIPHER_SUITE_WEP104:
121 return 1;
122 default:
123 break;
124 }
125
126 return 0;
127 }
128
129 /*
130 * This function retrieves the private structure from kernel wiphy structure.
131 */
132 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
133 {
134 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
135 }
136
137 /*
138 * CFG802.11 operation handler to delete a network key.
139 */
140 static int
141 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
142 u8 key_index, bool pairwise, const u8 *mac_addr)
143 {
144 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
145 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
146 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
147
148 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
149 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
150 return -EFAULT;
151 }
152
153 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
154 return 0;
155 }
156
157 /*
158 * This function forms an skb for management frame.
159 */
160 static int
161 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
162 {
163 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
164 u16 pkt_len;
165 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
166
167 pkt_len = len + ETH_ALEN;
168
169 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
170 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
171 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
172
173 memcpy(skb_push(skb, sizeof(tx_control)),
174 &tx_control, sizeof(tx_control));
175
176 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
177
178 /* Add packet data and address4 */
179 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
180 sizeof(struct ieee80211_hdr_3addr));
181 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
182 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
183 buf + sizeof(struct ieee80211_hdr_3addr),
184 len - sizeof(struct ieee80211_hdr_3addr));
185
186 skb->priority = LOW_PRIO_TID;
187 __net_timestamp(skb);
188
189 return 0;
190 }
191
192 /*
193 * CFG802.11 operation handler to transmit a management frame.
194 */
195 static int
196 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
197 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
198 {
199 const u8 *buf = params->buf;
200 size_t len = params->len;
201 struct sk_buff *skb;
202 u16 pkt_len;
203 const struct ieee80211_mgmt *mgmt;
204 struct mwifiex_txinfo *tx_info;
205 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
206
207 if (!buf || !len) {
208 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
209 return -EFAULT;
210 }
211
212 mgmt = (const struct ieee80211_mgmt *)buf;
213 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
214 ieee80211_is_probe_resp(mgmt->frame_control)) {
215 /* Since we support offload probe resp, we need to skip probe
216 * resp in AP or GO mode */
217 mwifiex_dbg(priv->adapter, INFO,
218 "info: skip to send probe resp in AP or GO mode\n");
219 return 0;
220 }
221
222 pkt_len = len + ETH_ALEN;
223 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
224 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
225 pkt_len + sizeof(pkt_len));
226
227 if (!skb) {
228 mwifiex_dbg(priv->adapter, ERROR,
229 "allocate skb failed for management frame\n");
230 return -ENOMEM;
231 }
232
233 tx_info = MWIFIEX_SKB_TXCB(skb);
234 memset(tx_info, 0, sizeof(*tx_info));
235 tx_info->bss_num = priv->bss_num;
236 tx_info->bss_type = priv->bss_type;
237 tx_info->pkt_len = pkt_len;
238
239 mwifiex_form_mgmt_frame(skb, buf, len);
240 *cookie = prandom_u32() | 1;
241
242 if (ieee80211_is_action(mgmt->frame_control))
243 skb = mwifiex_clone_skb_for_tx_status(priv,
244 skb,
245 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
246 else
247 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
248 GFP_ATOMIC);
249
250 mwifiex_queue_tx_pkt(priv, skb);
251
252 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
253 return 0;
254 }
255
256 /*
257 * CFG802.11 operation handler to register a mgmt frame.
258 */
259 static void
260 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
261 struct wireless_dev *wdev,
262 u16 frame_type, bool reg)
263 {
264 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
265 u32 mask;
266
267 if (reg)
268 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
269 else
270 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
271
272 if (mask != priv->mgmt_frame_mask) {
273 priv->mgmt_frame_mask = mask;
274 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
275 HostCmd_ACT_GEN_SET, 0,
276 &priv->mgmt_frame_mask, false);
277 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
278 }
279 }
280
281 /*
282 * CFG802.11 operation handler to remain on channel.
283 */
284 static int
285 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
286 struct wireless_dev *wdev,
287 struct ieee80211_channel *chan,
288 unsigned int duration, u64 *cookie)
289 {
290 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
291 int ret;
292
293 if (!chan || !cookie) {
294 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
295 return -EINVAL;
296 }
297
298 if (priv->roc_cfg.cookie) {
299 mwifiex_dbg(priv->adapter, INFO,
300 "info: ongoing ROC, cookie = 0x%llx\n",
301 priv->roc_cfg.cookie);
302 return -EBUSY;
303 }
304
305 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
306 duration);
307
308 if (!ret) {
309 *cookie = prandom_u32() | 1;
310 priv->roc_cfg.cookie = *cookie;
311 priv->roc_cfg.chan = *chan;
312
313 cfg80211_ready_on_channel(wdev, *cookie, chan,
314 duration, GFP_ATOMIC);
315
316 mwifiex_dbg(priv->adapter, INFO,
317 "info: ROC, cookie = 0x%llx\n", *cookie);
318 }
319
320 return ret;
321 }
322
323 /*
324 * CFG802.11 operation handler to cancel remain on channel.
325 */
326 static int
327 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
328 struct wireless_dev *wdev, u64 cookie)
329 {
330 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
331 int ret;
332
333 if (cookie != priv->roc_cfg.cookie)
334 return -ENOENT;
335
336 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
337 &priv->roc_cfg.chan, 0);
338
339 if (!ret) {
340 cfg80211_remain_on_channel_expired(wdev, cookie,
341 &priv->roc_cfg.chan,
342 GFP_ATOMIC);
343
344 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
345
346 mwifiex_dbg(priv->adapter, INFO,
347 "info: cancel ROC, cookie = 0x%llx\n", cookie);
348 }
349
350 return ret;
351 }
352
353 /*
354 * CFG802.11 operation handler to set Tx power.
355 */
356 static int
357 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
358 struct wireless_dev *wdev,
359 enum nl80211_tx_power_setting type,
360 int mbm)
361 {
362 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
363 struct mwifiex_private *priv;
364 struct mwifiex_power_cfg power_cfg;
365 int dbm = MBM_TO_DBM(mbm);
366
367 if (type == NL80211_TX_POWER_FIXED) {
368 power_cfg.is_power_auto = 0;
369 power_cfg.power_level = dbm;
370 } else {
371 power_cfg.is_power_auto = 1;
372 }
373
374 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
375
376 return mwifiex_set_tx_power(priv, &power_cfg);
377 }
378
379 /*
380 * CFG802.11 operation handler to get Tx power.
381 */
382 static int
383 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
384 struct wireless_dev *wdev,
385 int *dbm)
386 {
387 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
388 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
389 MWIFIEX_BSS_ROLE_ANY);
390 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
391 HostCmd_ACT_GEN_GET, 0, NULL, true);
392
393 if (ret < 0)
394 return ret;
395
396 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
397 *dbm = priv->tx_power_level;
398
399 return 0;
400 }
401
402 /*
403 * CFG802.11 operation handler to set Power Save option.
404 *
405 * The timeout value, if provided, is currently ignored.
406 */
407 static int
408 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
409 struct net_device *dev,
410 bool enabled, int timeout)
411 {
412 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
413 u32 ps_mode;
414
415 if (timeout)
416 mwifiex_dbg(priv->adapter, INFO,
417 "info: ignore timeout value for IEEE Power Save\n");
418
419 ps_mode = enabled;
420
421 return mwifiex_drv_set_power(priv, &ps_mode);
422 }
423
424 /*
425 * CFG802.11 operation handler to set the default network key.
426 */
427 static int
428 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
429 u8 key_index, bool unicast,
430 bool multicast)
431 {
432 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
433
434 /* Return if WEP key not configured */
435 if (!priv->sec_info.wep_enabled)
436 return 0;
437
438 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
439 priv->wep_key_curr_index = key_index;
440 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
441 NULL, 0)) {
442 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
443 return -EFAULT;
444 }
445
446 return 0;
447 }
448
449 /*
450 * CFG802.11 operation handler to add a network key.
451 */
452 static int
453 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
454 u8 key_index, bool pairwise, const u8 *mac_addr,
455 struct key_params *params)
456 {
457 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
458 struct mwifiex_wep_key *wep_key;
459 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
460 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
461
462 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
463 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
464 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
465 if (params->key && params->key_len) {
466 wep_key = &priv->wep_key[key_index];
467 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
468 memcpy(wep_key->key_material, params->key,
469 params->key_len);
470 wep_key->key_index = key_index;
471 wep_key->key_length = params->key_len;
472 priv->sec_info.wep_enabled = 1;
473 }
474 return 0;
475 }
476
477 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
478 key_index, peer_mac, 0)) {
479 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
480 return -EFAULT;
481 }
482
483 return 0;
484 }
485
486 /*
487 * This function sends domain information to the firmware.
488 *
489 * The following information are passed to the firmware -
490 * - Country codes
491 * - Sub bands (first channel, number of channels, maximum Tx power)
492 */
493 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
494 {
495 u8 no_of_triplet = 0;
496 struct ieee80211_country_ie_triplet *t;
497 u8 no_of_parsed_chan = 0;
498 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
499 u8 i, flag = 0;
500 enum nl80211_band band;
501 struct ieee80211_supported_band *sband;
502 struct ieee80211_channel *ch;
503 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
504 struct mwifiex_private *priv;
505 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
506
507 /* Set country code */
508 domain_info->country_code[0] = adapter->country_code[0];
509 domain_info->country_code[1] = adapter->country_code[1];
510 domain_info->country_code[2] = ' ';
511
512 band = mwifiex_band_to_radio_type(adapter->config_bands);
513 if (!wiphy->bands[band]) {
514 mwifiex_dbg(adapter, ERROR,
515 "11D: setting domain info in FW\n");
516 return -1;
517 }
518
519 sband = wiphy->bands[band];
520
521 for (i = 0; i < sband->n_channels ; i++) {
522 ch = &sband->channels[i];
523 if (ch->flags & IEEE80211_CHAN_DISABLED)
524 continue;
525
526 if (!flag) {
527 flag = 1;
528 first_chan = (u32) ch->hw_value;
529 next_chan = first_chan;
530 max_pwr = ch->max_power;
531 no_of_parsed_chan = 1;
532 continue;
533 }
534
535 if (ch->hw_value == next_chan + 1 &&
536 ch->max_power == max_pwr) {
537 next_chan++;
538 no_of_parsed_chan++;
539 } else {
540 t = &domain_info->triplet[no_of_triplet];
541 t->chans.first_channel = first_chan;
542 t->chans.num_channels = no_of_parsed_chan;
543 t->chans.max_power = max_pwr;
544 no_of_triplet++;
545 first_chan = (u32) ch->hw_value;
546 next_chan = first_chan;
547 max_pwr = ch->max_power;
548 no_of_parsed_chan = 1;
549 }
550 }
551
552 if (flag) {
553 t = &domain_info->triplet[no_of_triplet];
554 t->chans.first_channel = first_chan;
555 t->chans.num_channels = no_of_parsed_chan;
556 t->chans.max_power = max_pwr;
557 no_of_triplet++;
558 }
559
560 domain_info->no_of_triplet = no_of_triplet;
561
562 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
563
564 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
565 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
566 mwifiex_dbg(adapter, INFO,
567 "11D: setting domain info in FW\n");
568 return -1;
569 }
570
571 return 0;
572 }
573
574 /*
575 * CFG802.11 regulatory domain callback function.
576 *
577 * This function is called when the regulatory domain is changed due to the
578 * following reasons -
579 * - Set by driver
580 * - Set by system core
581 * - Set by user
582 * - Set bt Country IE
583 */
584 static void mwifiex_reg_notifier(struct wiphy *wiphy,
585 struct regulatory_request *request)
586 {
587 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
588 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
589 MWIFIEX_BSS_ROLE_ANY);
590 mwifiex_dbg(adapter, INFO,
591 "info: cfg80211 regulatory domain callback for %c%c\n",
592 request->alpha2[0], request->alpha2[1]);
593
594 switch (request->initiator) {
595 case NL80211_REGDOM_SET_BY_DRIVER:
596 case NL80211_REGDOM_SET_BY_CORE:
597 case NL80211_REGDOM_SET_BY_USER:
598 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
599 break;
600 default:
601 mwifiex_dbg(adapter, ERROR,
602 "unknown regdom initiator: %d\n",
603 request->initiator);
604 return;
605 }
606
607 /* Don't send world or same regdom info to firmware */
608 if (strncmp(request->alpha2, "00", 2) &&
609 strncmp(request->alpha2, adapter->country_code,
610 sizeof(request->alpha2))) {
611 memcpy(adapter->country_code, request->alpha2,
612 sizeof(request->alpha2));
613 mwifiex_send_domain_info_cmd_fw(wiphy);
614 mwifiex_dnld_txpwr_table(priv);
615 }
616 }
617
618 /*
619 * This function sets the fragmentation threshold.
620 *
621 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
622 * and MWIFIEX_FRAG_MAX_VALUE.
623 */
624 static int
625 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
626 {
627 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
628 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
629 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
630
631 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
632 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
633 &frag_thr, true);
634 }
635
636 /*
637 * This function sets the RTS threshold.
638
639 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
640 * and MWIFIEX_RTS_MAX_VALUE.
641 */
642 static int
643 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
644 {
645 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
646 rts_thr = MWIFIEX_RTS_MAX_VALUE;
647
648 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
649 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
650 &rts_thr, true);
651 }
652
653 /*
654 * CFG802.11 operation handler to set wiphy parameters.
655 *
656 * This function can be used to set the RTS threshold and the
657 * Fragmentation threshold of the driver.
658 */
659 static int
660 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
661 {
662 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
663 struct mwifiex_private *priv;
664 struct mwifiex_uap_bss_param *bss_cfg;
665 int ret;
666
667 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
668
669 switch (priv->bss_role) {
670 case MWIFIEX_BSS_ROLE_UAP:
671 if (priv->bss_started) {
672 mwifiex_dbg(adapter, ERROR,
673 "cannot change wiphy params when bss started");
674 return -EINVAL;
675 }
676
677 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
678 if (!bss_cfg)
679 return -ENOMEM;
680
681 mwifiex_set_sys_config_invalid_data(bss_cfg);
682
683 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
684 bss_cfg->rts_threshold = wiphy->rts_threshold;
685 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
686 bss_cfg->frag_threshold = wiphy->frag_threshold;
687 if (changed & WIPHY_PARAM_RETRY_LONG)
688 bss_cfg->retry_limit = wiphy->retry_long;
689
690 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
691 HostCmd_ACT_GEN_SET,
692 UAP_BSS_PARAMS_I, bss_cfg,
693 false);
694
695 kfree(bss_cfg);
696 if (ret) {
697 mwifiex_dbg(adapter, ERROR,
698 "Failed to set wiphy phy params\n");
699 return ret;
700 }
701 break;
702
703 case MWIFIEX_BSS_ROLE_STA:
704 if (priv->media_connected) {
705 mwifiex_dbg(adapter, ERROR,
706 "cannot change wiphy params when connected");
707 return -EINVAL;
708 }
709 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
710 ret = mwifiex_set_rts(priv,
711 wiphy->rts_threshold);
712 if (ret)
713 return ret;
714 }
715 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
716 ret = mwifiex_set_frag(priv,
717 wiphy->frag_threshold);
718 if (ret)
719 return ret;
720 }
721 break;
722 }
723
724 return 0;
725 }
726
727 static int
728 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
729 {
730 u16 mode = P2P_MODE_DISABLE;
731
732 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
733 HostCmd_ACT_GEN_SET, 0, &mode, true))
734 return -1;
735
736 return 0;
737 }
738
739 /*
740 * This function initializes the functionalities for P2P client.
741 * The P2P client initialization sequence is:
742 * disable -> device -> client
743 */
744 static int
745 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
746 {
747 u16 mode;
748
749 if (mwifiex_cfg80211_deinit_p2p(priv))
750 return -1;
751
752 mode = P2P_MODE_DEVICE;
753 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
754 HostCmd_ACT_GEN_SET, 0, &mode, true))
755 return -1;
756
757 mode = P2P_MODE_CLIENT;
758 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
759 HostCmd_ACT_GEN_SET, 0, &mode, true))
760 return -1;
761
762 return 0;
763 }
764
765 /*
766 * This function initializes the functionalities for P2P GO.
767 * The P2P GO initialization sequence is:
768 * disable -> device -> GO
769 */
770 static int
771 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
772 {
773 u16 mode;
774
775 if (mwifiex_cfg80211_deinit_p2p(priv))
776 return -1;
777
778 mode = P2P_MODE_DEVICE;
779 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
780 HostCmd_ACT_GEN_SET, 0, &mode, true))
781 return -1;
782
783 mode = P2P_MODE_GO;
784 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
785 HostCmd_ACT_GEN_SET, 0, &mode, true))
786 return -1;
787
788 return 0;
789 }
790
791 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
792 {
793 struct mwifiex_adapter *adapter = priv->adapter;
794 unsigned long flags;
795
796 priv->mgmt_frame_mask = 0;
797 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
798 HostCmd_ACT_GEN_SET, 0,
799 &priv->mgmt_frame_mask, false)) {
800 mwifiex_dbg(adapter, ERROR,
801 "could not unregister mgmt frame rx\n");
802 return -1;
803 }
804
805 mwifiex_deauthenticate(priv, NULL);
806
807 spin_lock_irqsave(&adapter->main_proc_lock, flags);
808 adapter->main_locked = true;
809 if (adapter->mwifiex_processing) {
810 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
811 flush_workqueue(adapter->workqueue);
812 } else {
813 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
814 }
815
816 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
817 adapter->rx_locked = true;
818 if (adapter->rx_processing) {
819 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
820 flush_workqueue(adapter->rx_workqueue);
821 } else {
822 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
823 }
824
825 mwifiex_free_priv(priv);
826 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
827 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
828 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
829
830 return 0;
831 }
832
833 static int
834 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
835 struct net_device *dev,
836 enum nl80211_iftype type)
837 {
838 struct mwifiex_adapter *adapter = priv->adapter;
839 unsigned long flags;
840
841 mwifiex_init_priv(priv);
842
843 priv->bss_mode = type;
844 priv->wdev.iftype = type;
845
846 mwifiex_init_priv_params(priv, priv->netdev);
847 priv->bss_started = 0;
848
849 switch (type) {
850 case NL80211_IFTYPE_STATION:
851 case NL80211_IFTYPE_ADHOC:
852 priv->bss_num = mwifiex_get_unused_bss_num(adapter,
853 MWIFIEX_BSS_TYPE_STA);
854 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
855 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
856 break;
857 case NL80211_IFTYPE_P2P_CLIENT:
858 priv->bss_num = mwifiex_get_unused_bss_num(adapter,
859 MWIFIEX_BSS_TYPE_P2P);
860 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
861 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
862 break;
863 case NL80211_IFTYPE_P2P_GO:
864 priv->bss_num = mwifiex_get_unused_bss_num(adapter,
865 MWIFIEX_BSS_TYPE_P2P);
866 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
867 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
868 break;
869 case NL80211_IFTYPE_AP:
870 priv->bss_num = mwifiex_get_unused_bss_num(adapter,
871 MWIFIEX_BSS_TYPE_UAP);
872 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
873 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
874 break;
875 default:
876 mwifiex_dbg(adapter, ERROR,
877 "%s: changing to %d not supported\n",
878 dev->name, type);
879 return -EOPNOTSUPP;
880 }
881
882 spin_lock_irqsave(&adapter->main_proc_lock, flags);
883 adapter->main_locked = false;
884 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
885
886 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
887 adapter->rx_locked = false;
888 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
889
890 return 0;
891 }
892
893 static int
894 mwifiex_change_vif_to_p2p(struct net_device *dev,
895 enum nl80211_iftype curr_iftype,
896 enum nl80211_iftype type, u32 *flags,
897 struct vif_params *params)
898 {
899 struct mwifiex_private *priv;
900 struct mwifiex_adapter *adapter;
901
902 priv = mwifiex_netdev_get_priv(dev);
903
904 if (!priv)
905 return -1;
906
907 adapter = priv->adapter;
908
909 if (adapter->curr_iface_comb.p2p_intf ==
910 adapter->iface_limit.p2p_intf) {
911 mwifiex_dbg(adapter, ERROR,
912 "cannot create multiple P2P ifaces\n");
913 return -1;
914 }
915
916 mwifiex_dbg(adapter, INFO,
917 "%s: changing role to p2p\n", dev->name);
918
919 if (mwifiex_deinit_priv_params(priv))
920 return -1;
921 if (mwifiex_init_new_priv_params(priv, dev, type))
922 return -1;
923
924 switch (type) {
925 case NL80211_IFTYPE_P2P_CLIENT:
926 if (mwifiex_cfg80211_init_p2p_client(priv))
927 return -EFAULT;
928 break;
929 case NL80211_IFTYPE_P2P_GO:
930 if (mwifiex_cfg80211_init_p2p_go(priv))
931 return -EFAULT;
932 break;
933 default:
934 mwifiex_dbg(adapter, ERROR,
935 "%s: changing to %d not supported\n",
936 dev->name, type);
937 return -EOPNOTSUPP;
938 }
939
940 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
941 HostCmd_ACT_GEN_SET, 0, NULL, true))
942 return -1;
943
944 if (mwifiex_sta_init_cmd(priv, false, false))
945 return -1;
946
947 switch (curr_iftype) {
948 case NL80211_IFTYPE_STATION:
949 case NL80211_IFTYPE_ADHOC:
950 adapter->curr_iface_comb.sta_intf--;
951 break;
952 case NL80211_IFTYPE_AP:
953 adapter->curr_iface_comb.uap_intf--;
954 break;
955 default:
956 break;
957 }
958
959 adapter->curr_iface_comb.p2p_intf++;
960 dev->ieee80211_ptr->iftype = type;
961
962 return 0;
963 }
964
965 static int
966 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
967 enum nl80211_iftype curr_iftype,
968 enum nl80211_iftype type, u32 *flags,
969 struct vif_params *params)
970 {
971 struct mwifiex_private *priv;
972 struct mwifiex_adapter *adapter;
973
974 priv = mwifiex_netdev_get_priv(dev);
975
976 if (!priv)
977 return -1;
978
979 adapter = priv->adapter;
980
981 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
982 curr_iftype != NL80211_IFTYPE_P2P_GO) &&
983 (adapter->curr_iface_comb.sta_intf ==
984 adapter->iface_limit.sta_intf)) {
985 mwifiex_dbg(adapter, ERROR,
986 "cannot create multiple station/adhoc ifaces\n");
987 return -1;
988 }
989
990 if (type == NL80211_IFTYPE_STATION)
991 mwifiex_dbg(adapter, INFO,
992 "%s: changing role to station\n", dev->name);
993 else
994 mwifiex_dbg(adapter, INFO,
995 "%s: changing role to adhoc\n", dev->name);
996
997 if (mwifiex_deinit_priv_params(priv))
998 return -1;
999 if (mwifiex_init_new_priv_params(priv, dev, type))
1000 return -1;
1001 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1002 HostCmd_ACT_GEN_SET, 0, NULL, true))
1003 return -1;
1004 if (mwifiex_sta_init_cmd(priv, false, false))
1005 return -1;
1006
1007 switch (curr_iftype) {
1008 case NL80211_IFTYPE_P2P_CLIENT:
1009 case NL80211_IFTYPE_P2P_GO:
1010 adapter->curr_iface_comb.p2p_intf--;
1011 break;
1012 case NL80211_IFTYPE_AP:
1013 adapter->curr_iface_comb.uap_intf--;
1014 break;
1015 default:
1016 break;
1017 }
1018
1019 adapter->curr_iface_comb.sta_intf++;
1020 dev->ieee80211_ptr->iftype = type;
1021 return 0;
1022 }
1023
1024 static int
1025 mwifiex_change_vif_to_ap(struct net_device *dev,
1026 enum nl80211_iftype curr_iftype,
1027 enum nl80211_iftype type, u32 *flags,
1028 struct vif_params *params)
1029 {
1030 struct mwifiex_private *priv;
1031 struct mwifiex_adapter *adapter;
1032
1033 priv = mwifiex_netdev_get_priv(dev);
1034
1035 if (!priv)
1036 return -1;
1037
1038 adapter = priv->adapter;
1039
1040 if (adapter->curr_iface_comb.uap_intf ==
1041 adapter->iface_limit.uap_intf) {
1042 mwifiex_dbg(adapter, ERROR,
1043 "cannot create multiple AP ifaces\n");
1044 return -1;
1045 }
1046
1047 mwifiex_dbg(adapter, INFO,
1048 "%s: changing role to AP\n", dev->name);
1049
1050 if (mwifiex_deinit_priv_params(priv))
1051 return -1;
1052 if (mwifiex_init_new_priv_params(priv, dev, type))
1053 return -1;
1054 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1055 HostCmd_ACT_GEN_SET, 0, NULL, true))
1056 return -1;
1057 if (mwifiex_sta_init_cmd(priv, false, false))
1058 return -1;
1059
1060 switch (curr_iftype) {
1061 case NL80211_IFTYPE_P2P_CLIENT:
1062 case NL80211_IFTYPE_P2P_GO:
1063 adapter->curr_iface_comb.p2p_intf--;
1064 break;
1065 case NL80211_IFTYPE_STATION:
1066 case NL80211_IFTYPE_ADHOC:
1067 adapter->curr_iface_comb.sta_intf--;
1068 break;
1069 default:
1070 break;
1071 }
1072
1073 adapter->curr_iface_comb.uap_intf++;
1074 dev->ieee80211_ptr->iftype = type;
1075 return 0;
1076 }
1077 /*
1078 * CFG802.11 operation handler to change interface type.
1079 */
1080 static int
1081 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1082 struct net_device *dev,
1083 enum nl80211_iftype type, u32 *flags,
1084 struct vif_params *params)
1085 {
1086 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1087 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1088
1089 switch (curr_iftype) {
1090 case NL80211_IFTYPE_ADHOC:
1091 switch (type) {
1092 case NL80211_IFTYPE_STATION:
1093 priv->bss_mode = type;
1094 priv->sec_info.authentication_mode =
1095 NL80211_AUTHTYPE_OPEN_SYSTEM;
1096 dev->ieee80211_ptr->iftype = type;
1097 mwifiex_deauthenticate(priv, NULL);
1098 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1099 HostCmd_ACT_GEN_SET, 0, NULL,
1100 true);
1101 case NL80211_IFTYPE_P2P_CLIENT:
1102 case NL80211_IFTYPE_P2P_GO:
1103 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1104 type, flags, params);
1105 case NL80211_IFTYPE_AP:
1106 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1107 flags, params);
1108 case NL80211_IFTYPE_UNSPECIFIED:
1109 mwifiex_dbg(priv->adapter, INFO,
1110 "%s: kept type as IBSS\n", dev->name);
1111 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
1112 return 0;
1113 default:
1114 mwifiex_dbg(priv->adapter, ERROR,
1115 "%s: changing to %d not supported\n",
1116 dev->name, type);
1117 return -EOPNOTSUPP;
1118 }
1119 break;
1120 case NL80211_IFTYPE_STATION:
1121 switch (type) {
1122 case NL80211_IFTYPE_ADHOC:
1123 priv->bss_mode = type;
1124 priv->sec_info.authentication_mode =
1125 NL80211_AUTHTYPE_OPEN_SYSTEM;
1126 dev->ieee80211_ptr->iftype = type;
1127 mwifiex_deauthenticate(priv, NULL);
1128 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1129 HostCmd_ACT_GEN_SET, 0, NULL,
1130 true);
1131 case NL80211_IFTYPE_P2P_CLIENT:
1132 case NL80211_IFTYPE_P2P_GO:
1133 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1134 type, flags, params);
1135 case NL80211_IFTYPE_AP:
1136 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1137 flags, params);
1138 case NL80211_IFTYPE_UNSPECIFIED:
1139 mwifiex_dbg(priv->adapter, INFO,
1140 "%s: kept type as STA\n", dev->name);
1141 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
1142 return 0;
1143 default:
1144 mwifiex_dbg(priv->adapter, ERROR,
1145 "%s: changing to %d not supported\n",
1146 dev->name, type);
1147 return -EOPNOTSUPP;
1148 }
1149 break;
1150 case NL80211_IFTYPE_AP:
1151 switch (type) {
1152 case NL80211_IFTYPE_ADHOC:
1153 case NL80211_IFTYPE_STATION:
1154 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1155 type, flags,
1156 params);
1157 break;
1158 case NL80211_IFTYPE_P2P_CLIENT:
1159 case NL80211_IFTYPE_P2P_GO:
1160 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1161 type, flags, params);
1162 case NL80211_IFTYPE_UNSPECIFIED:
1163 mwifiex_dbg(priv->adapter, INFO,
1164 "%s: kept type as AP\n", dev->name);
1165 case NL80211_IFTYPE_AP: /* This shouldn't happen */
1166 return 0;
1167 default:
1168 mwifiex_dbg(priv->adapter, ERROR,
1169 "%s: changing to %d not supported\n",
1170 dev->name, type);
1171 return -EOPNOTSUPP;
1172 }
1173 break;
1174 case NL80211_IFTYPE_P2P_CLIENT:
1175 case NL80211_IFTYPE_P2P_GO:
1176 switch (type) {
1177 case NL80211_IFTYPE_STATION:
1178 if (mwifiex_cfg80211_deinit_p2p(priv))
1179 return -EFAULT;
1180 priv->adapter->curr_iface_comb.p2p_intf--;
1181 priv->adapter->curr_iface_comb.sta_intf++;
1182 dev->ieee80211_ptr->iftype = type;
1183 break;
1184 case NL80211_IFTYPE_ADHOC:
1185 if (mwifiex_cfg80211_deinit_p2p(priv))
1186 return -EFAULT;
1187 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1188 type, flags,
1189 params);
1190 break;
1191 case NL80211_IFTYPE_AP:
1192 if (mwifiex_cfg80211_deinit_p2p(priv))
1193 return -EFAULT;
1194 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1195 flags, params);
1196 case NL80211_IFTYPE_UNSPECIFIED:
1197 mwifiex_dbg(priv->adapter, INFO,
1198 "%s: kept type as P2P\n", dev->name);
1199 case NL80211_IFTYPE_P2P_CLIENT:
1200 case NL80211_IFTYPE_P2P_GO:
1201 return 0;
1202 default:
1203 mwifiex_dbg(priv->adapter, ERROR,
1204 "%s: changing to %d not supported\n",
1205 dev->name, type);
1206 return -EOPNOTSUPP;
1207 }
1208 break;
1209 default:
1210 mwifiex_dbg(priv->adapter, ERROR,
1211 "%s: unknown iftype: %d\n",
1212 dev->name, dev->ieee80211_ptr->iftype);
1213 return -EOPNOTSUPP;
1214 }
1215
1216
1217 return 0;
1218 }
1219
1220 static void
1221 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
1222 struct rate_info *rate)
1223 {
1224 struct mwifiex_adapter *adapter = priv->adapter;
1225
1226 if (adapter->is_hw_11ac_capable) {
1227 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1228 if (tx_htinfo & BIT(0)) {
1229 /* HT */
1230 rate->mcs = priv->tx_rate;
1231 rate->flags |= RATE_INFO_FLAGS_MCS;
1232 }
1233 if (tx_htinfo & BIT(1)) {
1234 /* VHT */
1235 rate->mcs = priv->tx_rate & 0x0F;
1236 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1237 }
1238
1239 if (tx_htinfo & (BIT(1) | BIT(0))) {
1240 /* HT or VHT */
1241 switch (tx_htinfo & (BIT(3) | BIT(2))) {
1242 case 0:
1243 rate->bw = RATE_INFO_BW_20;
1244 break;
1245 case (BIT(2)):
1246 rate->bw = RATE_INFO_BW_40;
1247 break;
1248 case (BIT(3)):
1249 rate->bw = RATE_INFO_BW_80;
1250 break;
1251 case (BIT(3) | BIT(2)):
1252 rate->bw = RATE_INFO_BW_160;
1253 break;
1254 }
1255
1256 if (tx_htinfo & BIT(4))
1257 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1258
1259 if ((priv->tx_rate >> 4) == 1)
1260 rate->nss = 2;
1261 else
1262 rate->nss = 1;
1263 }
1264 } else {
1265 /*
1266 * Bit 0 in tx_htinfo indicates that current Tx rate
1267 * is 11n rate. Valid MCS index values for us are 0 to 15.
1268 */
1269 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
1270 rate->mcs = priv->tx_rate;
1271 rate->flags |= RATE_INFO_FLAGS_MCS;
1272 rate->bw = RATE_INFO_BW_20;
1273 if (tx_htinfo & BIT(1))
1274 rate->bw = RATE_INFO_BW_40;
1275 if (tx_htinfo & BIT(2))
1276 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1277 }
1278 }
1279 }
1280
1281 /*
1282 * This function dumps the station information on a buffer.
1283 *
1284 * The following information are shown -
1285 * - Total bytes transmitted
1286 * - Total bytes received
1287 * - Total packets transmitted
1288 * - Total packets received
1289 * - Signal quality level
1290 * - Transmission rate
1291 */
1292 static int
1293 mwifiex_dump_station_info(struct mwifiex_private *priv,
1294 struct mwifiex_sta_node *node,
1295 struct station_info *sinfo)
1296 {
1297 u32 rate;
1298
1299 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) |
1300 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) |
1301 BIT(NL80211_STA_INFO_TX_BITRATE) |
1302 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG);
1303
1304 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1305 if (!node)
1306 return -ENOENT;
1307
1308 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) |
1309 BIT(NL80211_STA_INFO_TX_FAILED);
1310 sinfo->inactive_time =
1311 jiffies_to_msecs(jiffies - node->stats.last_rx);
1312
1313 sinfo->signal = node->stats.rssi;
1314 sinfo->signal_avg = node->stats.rssi;
1315 sinfo->rx_bytes = node->stats.rx_bytes;
1316 sinfo->tx_bytes = node->stats.tx_bytes;
1317 sinfo->rx_packets = node->stats.rx_packets;
1318 sinfo->tx_packets = node->stats.tx_packets;
1319 sinfo->tx_failed = node->stats.tx_failed;
1320
1321 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo,
1322 &sinfo->txrate);
1323 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1324
1325 return 0;
1326 }
1327
1328 /* Get signal information from the firmware */
1329 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1330 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1331 mwifiex_dbg(priv->adapter, ERROR,
1332 "failed to get signal information\n");
1333 return -EFAULT;
1334 }
1335
1336 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1337 mwifiex_dbg(priv->adapter, ERROR,
1338 "getting data rate error\n");
1339 return -EFAULT;
1340 }
1341
1342 /* Get DTIM period information from firmware */
1343 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1344 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1345 &priv->dtim_period, true);
1346
1347 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
1348
1349 sinfo->signal_avg = priv->bcn_rssi_avg;
1350 sinfo->rx_bytes = priv->stats.rx_bytes;
1351 sinfo->tx_bytes = priv->stats.tx_bytes;
1352 sinfo->rx_packets = priv->stats.rx_packets;
1353 sinfo->tx_packets = priv->stats.tx_packets;
1354 sinfo->signal = priv->bcn_rssi_avg;
1355 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1356 sinfo->txrate.legacy = rate * 5;
1357
1358 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1359 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1360 sinfo->bss_param.flags = 0;
1361 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1362 WLAN_CAPABILITY_SHORT_PREAMBLE)
1363 sinfo->bss_param.flags |=
1364 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1365 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1366 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1367 sinfo->bss_param.flags |=
1368 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1369 sinfo->bss_param.dtim_period = priv->dtim_period;
1370 sinfo->bss_param.beacon_interval =
1371 priv->curr_bss_params.bss_descriptor.beacon_period;
1372 }
1373
1374 return 0;
1375 }
1376
1377 /*
1378 * CFG802.11 operation handler to get station information.
1379 *
1380 * This function only works in connected mode, and dumps the
1381 * requested station information, if available.
1382 */
1383 static int
1384 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1385 const u8 *mac, struct station_info *sinfo)
1386 {
1387 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1388
1389 if (!priv->media_connected)
1390 return -ENOENT;
1391 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1392 return -ENOENT;
1393
1394 return mwifiex_dump_station_info(priv, NULL, sinfo);
1395 }
1396
1397 /*
1398 * CFG802.11 operation handler to dump station information.
1399 */
1400 static int
1401 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1402 int idx, u8 *mac, struct station_info *sinfo)
1403 {
1404 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1405 static struct mwifiex_sta_node *node;
1406
1407 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1408 priv->media_connected && idx == 0) {
1409 ether_addr_copy(mac, priv->cfg_bssid);
1410 return mwifiex_dump_station_info(priv, NULL, sinfo);
1411 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1412 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1413 HostCmd_ACT_GEN_GET, 0, NULL, true);
1414
1415 if (node && (&node->list == &priv->sta_list)) {
1416 node = NULL;
1417 return -ENOENT;
1418 }
1419
1420 node = list_prepare_entry(node, &priv->sta_list, list);
1421 list_for_each_entry_continue(node, &priv->sta_list, list) {
1422 ether_addr_copy(mac, node->mac_addr);
1423 return mwifiex_dump_station_info(priv, node, sinfo);
1424 }
1425 }
1426
1427 return -ENOENT;
1428 }
1429
1430 static int
1431 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1432 int idx, struct survey_info *survey)
1433 {
1434 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1435 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1436 enum nl80211_band band;
1437
1438 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1439
1440 memset(survey, 0, sizeof(struct survey_info));
1441
1442 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1443 priv->media_connected && idx == 0) {
1444 u8 curr_bss_band = priv->curr_bss_params.band;
1445 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1446
1447 band = mwifiex_band_to_radio_type(curr_bss_band);
1448 survey->channel = ieee80211_get_channel(wiphy,
1449 ieee80211_channel_to_frequency(chan, band));
1450
1451 if (priv->bcn_nf_last) {
1452 survey->filled = SURVEY_INFO_NOISE_DBM;
1453 survey->noise = priv->bcn_nf_last;
1454 }
1455 return 0;
1456 }
1457
1458 if (idx >= priv->adapter->num_in_chan_stats)
1459 return -ENOENT;
1460
1461 if (!pchan_stats[idx].cca_scan_dur)
1462 return 0;
1463
1464 band = pchan_stats[idx].bandcfg;
1465 survey->channel = ieee80211_get_channel(wiphy,
1466 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1467 survey->filled = SURVEY_INFO_NOISE_DBM |
1468 SURVEY_INFO_TIME |
1469 SURVEY_INFO_TIME_BUSY;
1470 survey->noise = pchan_stats[idx].noise;
1471 survey->time = pchan_stats[idx].cca_scan_dur;
1472 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1473
1474 return 0;
1475 }
1476
1477 /* Supported rates to be advertised to the cfg80211 */
1478 static struct ieee80211_rate mwifiex_rates[] = {
1479 {.bitrate = 10, .hw_value = 2, },
1480 {.bitrate = 20, .hw_value = 4, },
1481 {.bitrate = 55, .hw_value = 11, },
1482 {.bitrate = 110, .hw_value = 22, },
1483 {.bitrate = 60, .hw_value = 12, },
1484 {.bitrate = 90, .hw_value = 18, },
1485 {.bitrate = 120, .hw_value = 24, },
1486 {.bitrate = 180, .hw_value = 36, },
1487 {.bitrate = 240, .hw_value = 48, },
1488 {.bitrate = 360, .hw_value = 72, },
1489 {.bitrate = 480, .hw_value = 96, },
1490 {.bitrate = 540, .hw_value = 108, },
1491 };
1492
1493 /* Channel definitions to be advertised to cfg80211 */
1494 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1495 {.center_freq = 2412, .hw_value = 1, },
1496 {.center_freq = 2417, .hw_value = 2, },
1497 {.center_freq = 2422, .hw_value = 3, },
1498 {.center_freq = 2427, .hw_value = 4, },
1499 {.center_freq = 2432, .hw_value = 5, },
1500 {.center_freq = 2437, .hw_value = 6, },
1501 {.center_freq = 2442, .hw_value = 7, },
1502 {.center_freq = 2447, .hw_value = 8, },
1503 {.center_freq = 2452, .hw_value = 9, },
1504 {.center_freq = 2457, .hw_value = 10, },
1505 {.center_freq = 2462, .hw_value = 11, },
1506 {.center_freq = 2467, .hw_value = 12, },
1507 {.center_freq = 2472, .hw_value = 13, },
1508 {.center_freq = 2484, .hw_value = 14, },
1509 };
1510
1511 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1512 .channels = mwifiex_channels_2ghz,
1513 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1514 .bitrates = mwifiex_rates,
1515 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1516 };
1517
1518 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1519 {.center_freq = 5040, .hw_value = 8, },
1520 {.center_freq = 5060, .hw_value = 12, },
1521 {.center_freq = 5080, .hw_value = 16, },
1522 {.center_freq = 5170, .hw_value = 34, },
1523 {.center_freq = 5190, .hw_value = 38, },
1524 {.center_freq = 5210, .hw_value = 42, },
1525 {.center_freq = 5230, .hw_value = 46, },
1526 {.center_freq = 5180, .hw_value = 36, },
1527 {.center_freq = 5200, .hw_value = 40, },
1528 {.center_freq = 5220, .hw_value = 44, },
1529 {.center_freq = 5240, .hw_value = 48, },
1530 {.center_freq = 5260, .hw_value = 52, },
1531 {.center_freq = 5280, .hw_value = 56, },
1532 {.center_freq = 5300, .hw_value = 60, },
1533 {.center_freq = 5320, .hw_value = 64, },
1534 {.center_freq = 5500, .hw_value = 100, },
1535 {.center_freq = 5520, .hw_value = 104, },
1536 {.center_freq = 5540, .hw_value = 108, },
1537 {.center_freq = 5560, .hw_value = 112, },
1538 {.center_freq = 5580, .hw_value = 116, },
1539 {.center_freq = 5600, .hw_value = 120, },
1540 {.center_freq = 5620, .hw_value = 124, },
1541 {.center_freq = 5640, .hw_value = 128, },
1542 {.center_freq = 5660, .hw_value = 132, },
1543 {.center_freq = 5680, .hw_value = 136, },
1544 {.center_freq = 5700, .hw_value = 140, },
1545 {.center_freq = 5745, .hw_value = 149, },
1546 {.center_freq = 5765, .hw_value = 153, },
1547 {.center_freq = 5785, .hw_value = 157, },
1548 {.center_freq = 5805, .hw_value = 161, },
1549 {.center_freq = 5825, .hw_value = 165, },
1550 };
1551
1552 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1553 .channels = mwifiex_channels_5ghz,
1554 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1555 .bitrates = mwifiex_rates + 4,
1556 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1557 };
1558
1559
1560 /* Supported crypto cipher suits to be advertised to cfg80211 */
1561 static const u32 mwifiex_cipher_suites[] = {
1562 WLAN_CIPHER_SUITE_WEP40,
1563 WLAN_CIPHER_SUITE_WEP104,
1564 WLAN_CIPHER_SUITE_TKIP,
1565 WLAN_CIPHER_SUITE_CCMP,
1566 WLAN_CIPHER_SUITE_SMS4,
1567 WLAN_CIPHER_SUITE_AES_CMAC,
1568 };
1569
1570 /* Supported mgmt frame types to be advertised to cfg80211 */
1571 static const struct ieee80211_txrx_stypes
1572 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1573 [NL80211_IFTYPE_STATION] = {
1574 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1575 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1576 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1577 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1578 },
1579 [NL80211_IFTYPE_AP] = {
1580 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1581 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1582 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1583 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1584 },
1585 [NL80211_IFTYPE_P2P_CLIENT] = {
1586 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1587 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1588 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1589 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1590 },
1591 [NL80211_IFTYPE_P2P_GO] = {
1592 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1593 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1594 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1595 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1596 },
1597 };
1598
1599 /*
1600 * CFG802.11 operation handler for setting bit rates.
1601 *
1602 * Function configures data rates to firmware using bitrate mask
1603 * provided by cfg80211.
1604 */
1605 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1606 struct net_device *dev,
1607 const u8 *peer,
1608 const struct cfg80211_bitrate_mask *mask)
1609 {
1610 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1611 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1612 enum nl80211_band band;
1613 struct mwifiex_adapter *adapter = priv->adapter;
1614
1615 if (!priv->media_connected) {
1616 mwifiex_dbg(adapter, ERROR,
1617 "Can not set Tx data rate in disconnected state\n");
1618 return -EINVAL;
1619 }
1620
1621 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1622
1623 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1624
1625 /* Fill HR/DSSS rates. */
1626 if (band == NL80211_BAND_2GHZ)
1627 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1628
1629 /* Fill OFDM rates */
1630 if (band == NL80211_BAND_2GHZ)
1631 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1632 else
1633 bitmap_rates[1] = mask->control[band].legacy;
1634
1635 /* Fill HT MCS rates */
1636 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1637 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1638 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1639
1640 /* Fill VHT MCS rates */
1641 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1642 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1643 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1644 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1645 }
1646
1647 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1648 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1649 }
1650
1651 /*
1652 * CFG802.11 operation handler for connection quality monitoring.
1653 *
1654 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1655 * events to FW.
1656 */
1657 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1658 struct net_device *dev,
1659 s32 rssi_thold, u32 rssi_hyst)
1660 {
1661 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1662 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1663
1664 priv->cqm_rssi_thold = rssi_thold;
1665 priv->cqm_rssi_hyst = rssi_hyst;
1666
1667 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1668 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1669
1670 /* Subscribe/unsubscribe low and high rssi events */
1671 if (rssi_thold && rssi_hyst) {
1672 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1673 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1674 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1675 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1676 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1677 return mwifiex_send_cmd(priv,
1678 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1679 0, 0, &subsc_evt, true);
1680 } else {
1681 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1682 return mwifiex_send_cmd(priv,
1683 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1684 0, 0, &subsc_evt, true);
1685 }
1686
1687 return 0;
1688 }
1689
1690 /* cfg80211 operation handler for change_beacon.
1691 * Function retrieves and sets modified management IEs to FW.
1692 */
1693 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1694 struct net_device *dev,
1695 struct cfg80211_beacon_data *data)
1696 {
1697 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1698 struct mwifiex_adapter *adapter = priv->adapter;
1699
1700 mwifiex_cancel_scan(adapter);
1701
1702 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1703 mwifiex_dbg(priv->adapter, ERROR,
1704 "%s: bss_type mismatched\n", __func__);
1705 return -EINVAL;
1706 }
1707
1708 if (!priv->bss_started) {
1709 mwifiex_dbg(priv->adapter, ERROR,
1710 "%s: bss not started\n", __func__);
1711 return -EINVAL;
1712 }
1713
1714 if (mwifiex_set_mgmt_ies(priv, data)) {
1715 mwifiex_dbg(priv->adapter, ERROR,
1716 "%s: setting mgmt ies failed\n", __func__);
1717 return -EFAULT;
1718 }
1719
1720 return 0;
1721 }
1722
1723 /* cfg80211 operation handler for del_station.
1724 * Function deauthenticates station which value is provided in mac parameter.
1725 * If mac is NULL/broadcast, all stations in associated station list are
1726 * deauthenticated. If bss is not started or there are no stations in
1727 * associated stations list, no action is taken.
1728 */
1729 static int
1730 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1731 struct station_del_parameters *params)
1732 {
1733 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1734 struct mwifiex_sta_node *sta_node;
1735 u8 deauth_mac[ETH_ALEN];
1736 unsigned long flags;
1737
1738 if (!priv->bss_started && priv->wdev.cac_started) {
1739 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1740 mwifiex_abort_cac(priv);
1741 }
1742
1743 if (list_empty(&priv->sta_list) || !priv->bss_started)
1744 return 0;
1745
1746 if (!params->mac || is_broadcast_ether_addr(params->mac))
1747 return 0;
1748
1749 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1750 __func__, params->mac);
1751
1752 eth_zero_addr(deauth_mac);
1753
1754 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1755 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1756 if (sta_node)
1757 ether_addr_copy(deauth_mac, params->mac);
1758 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1759
1760 if (is_valid_ether_addr(deauth_mac)) {
1761 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1762 HostCmd_ACT_GEN_SET, 0,
1763 deauth_mac, true))
1764 return -1;
1765 }
1766
1767 return 0;
1768 }
1769
1770 static int
1771 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1772 {
1773 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1774 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1775 MWIFIEX_BSS_ROLE_ANY);
1776 struct mwifiex_ds_ant_cfg ant_cfg;
1777
1778 if (!tx_ant || !rx_ant)
1779 return -EOPNOTSUPP;
1780
1781 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1782 /* Not a MIMO chip. User should provide specific antenna number
1783 * for Tx/Rx path or enable all antennas for diversity
1784 */
1785 if (tx_ant != rx_ant)
1786 return -EOPNOTSUPP;
1787
1788 if ((tx_ant & (tx_ant - 1)) &&
1789 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1790 return -EOPNOTSUPP;
1791
1792 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1793 (priv->adapter->number_of_antenna > 1)) {
1794 tx_ant = RF_ANTENNA_AUTO;
1795 rx_ant = RF_ANTENNA_AUTO;
1796 }
1797 } else {
1798 struct ieee80211_sta_ht_cap *ht_info;
1799 int rx_mcs_supp;
1800 enum nl80211_band band;
1801
1802 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1803 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1804 if (adapter->is_hw_11ac_capable)
1805 adapter->usr_dot_11ac_mcs_support =
1806 MWIFIEX_11AC_MCS_MAP_1X1;
1807 } else {
1808 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1809 if (adapter->is_hw_11ac_capable)
1810 adapter->usr_dot_11ac_mcs_support =
1811 MWIFIEX_11AC_MCS_MAP_2X2;
1812 }
1813
1814 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1815 if (!adapter->wiphy->bands[band])
1816 continue;
1817
1818 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1819 rx_mcs_supp =
1820 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1821 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1822 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1823 }
1824 }
1825
1826 ant_cfg.tx_ant = tx_ant;
1827 ant_cfg.rx_ant = rx_ant;
1828
1829 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1830 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1831 }
1832
1833 static int
1834 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1835 {
1836 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1837 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1838 MWIFIEX_BSS_ROLE_ANY);
1839 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1840 HostCmd_ACT_GEN_GET, 0, NULL, true);
1841
1842 *tx_ant = priv->tx_ant;
1843 *rx_ant = priv->rx_ant;
1844
1845 return 0;
1846 }
1847
1848 /* cfg80211 operation handler for stop ap.
1849 * Function stops BSS running at uAP interface.
1850 */
1851 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1852 {
1853 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1854
1855 mwifiex_abort_cac(priv);
1856
1857 if (mwifiex_del_mgmt_ies(priv))
1858 mwifiex_dbg(priv->adapter, ERROR,
1859 "Failed to delete mgmt IEs!\n");
1860
1861 priv->ap_11n_enabled = 0;
1862 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1863
1864 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1865 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1866 mwifiex_dbg(priv->adapter, ERROR,
1867 "Failed to stop the BSS\n");
1868 return -1;
1869 }
1870
1871 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
1872 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1873 mwifiex_dbg(priv->adapter, ERROR,
1874 "Failed to reset BSS\n");
1875 return -1;
1876 }
1877
1878 if (netif_carrier_ok(priv->netdev))
1879 netif_carrier_off(priv->netdev);
1880 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
1881
1882 return 0;
1883 }
1884
1885 /* cfg80211 operation handler for start_ap.
1886 * Function sets beacon period, DTIM period, SSID and security into
1887 * AP config structure.
1888 * AP is configured with these settings and BSS is started.
1889 */
1890 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1891 struct net_device *dev,
1892 struct cfg80211_ap_settings *params)
1893 {
1894 struct mwifiex_uap_bss_param *bss_cfg;
1895 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1896
1897 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1898 return -1;
1899
1900 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1901 if (!bss_cfg)
1902 return -ENOMEM;
1903
1904 mwifiex_set_sys_config_invalid_data(bss_cfg);
1905
1906 if (params->beacon_interval)
1907 bss_cfg->beacon_period = params->beacon_interval;
1908 if (params->dtim_period)
1909 bss_cfg->dtim_period = params->dtim_period;
1910
1911 if (params->ssid && params->ssid_len) {
1912 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1913 bss_cfg->ssid.ssid_len = params->ssid_len;
1914 }
1915 if (params->inactivity_timeout > 0) {
1916 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1917 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1918 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1919 }
1920
1921 switch (params->hidden_ssid) {
1922 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1923 bss_cfg->bcast_ssid_ctl = 1;
1924 break;
1925 case NL80211_HIDDEN_SSID_ZERO_LEN:
1926 bss_cfg->bcast_ssid_ctl = 0;
1927 break;
1928 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1929 /* firmware doesn't support this type of hidden SSID */
1930 default:
1931 kfree(bss_cfg);
1932 return -EINVAL;
1933 }
1934
1935 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
1936 mwifiex_set_uap_rates(bss_cfg, params);
1937
1938 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1939 mwifiex_dbg(priv->adapter, ERROR,
1940 "Failed to parse secuirty parameters!\n");
1941 goto out;
1942 }
1943
1944 mwifiex_set_ht_params(priv, bss_cfg, params);
1945
1946 if (priv->adapter->is_hw_11ac_capable) {
1947 mwifiex_set_vht_params(priv, bss_cfg, params);
1948 mwifiex_set_vht_width(priv, params->chandef.width,
1949 priv->ap_11ac_enabled);
1950 }
1951
1952 if (priv->ap_11ac_enabled)
1953 mwifiex_set_11ac_ba_params(priv);
1954 else
1955 mwifiex_set_ba_params(priv);
1956
1957 mwifiex_set_wmm_params(priv, bss_cfg, params);
1958
1959 if (mwifiex_is_11h_active(priv))
1960 mwifiex_set_tpc_params(priv, bss_cfg, params);
1961
1962 if (mwifiex_is_11h_active(priv) &&
1963 !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
1964 priv->bss_mode)) {
1965 mwifiex_dbg(priv->adapter, INFO,
1966 "Disable 11h extensions in FW\n");
1967 if (mwifiex_11h_activate(priv, false)) {
1968 mwifiex_dbg(priv->adapter, ERROR,
1969 "Failed to disable 11h extensions!!");
1970 goto out;
1971 }
1972 priv->state_11h.is_11h_active = false;
1973 }
1974
1975 if (mwifiex_config_start_uap(priv, bss_cfg)) {
1976 mwifiex_dbg(priv->adapter, ERROR,
1977 "Failed to start AP\n");
1978 goto out;
1979 }
1980
1981 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
1982 goto out;
1983
1984 if (!netif_carrier_ok(priv->netdev))
1985 netif_carrier_on(priv->netdev);
1986 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
1987
1988 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
1989 kfree(bss_cfg);
1990 return 0;
1991
1992 out:
1993 kfree(bss_cfg);
1994 return -1;
1995 }
1996
1997 /*
1998 * CFG802.11 operation handler for disconnection request.
1999 *
2000 * This function does not work when there is already a disconnection
2001 * procedure going on.
2002 */
2003 static int
2004 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2005 u16 reason_code)
2006 {
2007 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2008
2009 if (!mwifiex_stop_bg_scan(priv))
2010 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);
2011
2012 if (mwifiex_deauthenticate(priv, NULL))
2013 return -EFAULT;
2014
2015 eth_zero_addr(priv->cfg_bssid);
2016 priv->hs2_enabled = false;
2017
2018 return 0;
2019 }
2020
2021 /*
2022 * This function informs the CFG802.11 subsystem of a new IBSS.
2023 *
2024 * The following information are sent to the CFG802.11 subsystem
2025 * to register the new IBSS. If we do not register the new IBSS,
2026 * a kernel panic will result.
2027 * - SSID
2028 * - SSID length
2029 * - BSSID
2030 * - Channel
2031 */
2032 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2033 {
2034 struct ieee80211_channel *chan;
2035 struct mwifiex_bss_info bss_info;
2036 struct cfg80211_bss *bss;
2037 int ie_len;
2038 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2039 enum nl80211_band band;
2040
2041 if (mwifiex_get_bss_info(priv, &bss_info))
2042 return -1;
2043
2044 ie_buf[0] = WLAN_EID_SSID;
2045 ie_buf[1] = bss_info.ssid.ssid_len;
2046
2047 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2048 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2049 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2050
2051 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2052 chan = __ieee80211_get_channel(priv->wdev.wiphy,
2053 ieee80211_channel_to_frequency(bss_info.bss_chan,
2054 band));
2055
2056 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2057 CFG80211_BSS_FTYPE_UNKNOWN,
2058 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2059 0, ie_buf, ie_len, 0, GFP_KERNEL);
2060 if (bss) {
2061 cfg80211_put_bss(priv->wdev.wiphy, bss);
2062 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2063 }
2064
2065 return 0;
2066 }
2067
2068 /*
2069 * This function connects with a BSS.
2070 *
2071 * This function handles both Infra and Ad-Hoc modes. It also performs
2072 * validity checking on the provided parameters, disconnects from the
2073 * current BSS (if any), sets up the association/scan parameters,
2074 * including security settings, and performs specific SSID scan before
2075 * trying to connect.
2076 *
2077 * For Infra mode, the function returns failure if the specified SSID
2078 * is not found in scan table. However, for Ad-Hoc mode, it can create
2079 * the IBSS if it does not exist. On successful completion in either case,
2080 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2081 */
2082 static int
2083 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2084 const u8 *ssid, const u8 *bssid, int mode,
2085 struct ieee80211_channel *channel,
2086 struct cfg80211_connect_params *sme, bool privacy)
2087 {
2088 struct cfg80211_ssid req_ssid;
2089 int ret, auth_type = 0;
2090 struct cfg80211_bss *bss = NULL;
2091 u8 is_scanning_required = 0;
2092
2093 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2094
2095 req_ssid.ssid_len = ssid_len;
2096 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2097 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2098 return -EINVAL;
2099 }
2100
2101 memcpy(req_ssid.ssid, ssid, ssid_len);
2102 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2103 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2104 return -EINVAL;
2105 }
2106
2107 /* As this is new association, clear locally stored
2108 * keys and security related flags */
2109 priv->sec_info.wpa_enabled = false;
2110 priv->sec_info.wpa2_enabled = false;
2111 priv->wep_key_curr_index = 0;
2112 priv->sec_info.encryption_mode = 0;
2113 priv->sec_info.is_authtype_auto = 0;
2114 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2115
2116 if (mode == NL80211_IFTYPE_ADHOC) {
2117 /* "privacy" is set only for ad-hoc mode */
2118 if (privacy) {
2119 /*
2120 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2121 * the firmware can find a matching network from the
2122 * scan. The cfg80211 does not give us the encryption
2123 * mode at this stage so just setting it to WEP here.
2124 */
2125 priv->sec_info.encryption_mode =
2126 WLAN_CIPHER_SUITE_WEP104;
2127 priv->sec_info.authentication_mode =
2128 NL80211_AUTHTYPE_OPEN_SYSTEM;
2129 }
2130
2131 goto done;
2132 }
2133
2134 /* Now handle infra mode. "sme" is valid for infra mode only */
2135 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2136 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2137 priv->sec_info.is_authtype_auto = 1;
2138 } else {
2139 auth_type = sme->auth_type;
2140 }
2141
2142 if (sme->crypto.n_ciphers_pairwise) {
2143 priv->sec_info.encryption_mode =
2144 sme->crypto.ciphers_pairwise[0];
2145 priv->sec_info.authentication_mode = auth_type;
2146 }
2147
2148 if (sme->crypto.cipher_group) {
2149 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2150 priv->sec_info.authentication_mode = auth_type;
2151 }
2152 if (sme->ie)
2153 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2154
2155 if (sme->key) {
2156 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2157 mwifiex_dbg(priv->adapter, INFO,
2158 "info: setting wep encryption\t"
2159 "with key len %d\n", sme->key_len);
2160 priv->wep_key_curr_index = sme->key_idx;
2161 ret = mwifiex_set_encode(priv, NULL, sme->key,
2162 sme->key_len, sme->key_idx,
2163 NULL, 0);
2164 }
2165 }
2166 done:
2167 /*
2168 * Scan entries are valid for some time (15 sec). So we can save one
2169 * active scan time if we just try cfg80211_get_bss first. If it fails
2170 * then request scan and cfg80211_get_bss() again for final output.
2171 */
2172 while (1) {
2173 if (is_scanning_required) {
2174 /* Do specific SSID scanning */
2175 if (mwifiex_request_scan(priv, &req_ssid)) {
2176 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2177 return -EFAULT;
2178 }
2179 }
2180
2181 /* Find the BSS we want using available scan results */
2182 if (mode == NL80211_IFTYPE_ADHOC)
2183 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2184 bssid, ssid, ssid_len,
2185 IEEE80211_BSS_TYPE_IBSS,
2186 IEEE80211_PRIVACY_ANY);
2187 else
2188 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2189 bssid, ssid, ssid_len,
2190 IEEE80211_BSS_TYPE_ESS,
2191 IEEE80211_PRIVACY_ANY);
2192
2193 if (!bss) {
2194 if (is_scanning_required) {
2195 mwifiex_dbg(priv->adapter, WARN,
2196 "assoc: requested bss not found in scan results\n");
2197 break;
2198 }
2199 is_scanning_required = 1;
2200 } else {
2201 mwifiex_dbg(priv->adapter, MSG,
2202 "info: trying to associate to '%s' bssid %pM\n",
2203 (char *)req_ssid.ssid, bss->bssid);
2204 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2205 break;
2206 }
2207 }
2208
2209 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2210 if (ret)
2211 return ret;
2212
2213 if (mode == NL80211_IFTYPE_ADHOC) {
2214 /* Inform the BSS information to kernel, otherwise
2215 * kernel will give a panic after successful assoc */
2216 if (mwifiex_cfg80211_inform_ibss_bss(priv))
2217 return -EFAULT;
2218 }
2219
2220 return ret;
2221 }
2222
2223 /*
2224 * CFG802.11 operation handler for association request.
2225 *
2226 * This function does not work when the current mode is set to Ad-Hoc, or
2227 * when there is already an association procedure going on. The given BSS
2228 * information is used to associate.
2229 */
2230 static int
2231 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2232 struct cfg80211_connect_params *sme)
2233 {
2234 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2235 struct mwifiex_adapter *adapter = priv->adapter;
2236 int ret;
2237
2238 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2239 mwifiex_dbg(adapter, ERROR,
2240 "%s: reject infra assoc request in non-STA role\n",
2241 dev->name);
2242 return -EINVAL;
2243 }
2244
2245 if (priv->wdev.current_bss) {
2246 mwifiex_dbg(adapter, ERROR,
2247 "%s: already connected\n", dev->name);
2248 return -EALREADY;
2249 }
2250
2251 if (priv->scan_block)
2252 priv->scan_block = false;
2253
2254 if (adapter->surprise_removed || adapter->is_cmd_timedout) {
2255 mwifiex_dbg(adapter, ERROR,
2256 "%s: Ignore connection.\t"
2257 "Card removed or FW in bad state\n",
2258 dev->name);
2259 return -EFAULT;
2260 }
2261
2262 mwifiex_dbg(adapter, INFO,
2263 "info: Trying to associate to %s and bssid %pM\n",
2264 (char *)sme->ssid, sme->bssid);
2265
2266 if (!mwifiex_stop_bg_scan(priv))
2267 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);
2268
2269 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2270 priv->bss_mode, sme->channel, sme, 0);
2271 if (!ret) {
2272 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
2273 NULL, 0, WLAN_STATUS_SUCCESS,
2274 GFP_KERNEL);
2275 mwifiex_dbg(priv->adapter, MSG,
2276 "info: associated to bssid %pM successfully\n",
2277 priv->cfg_bssid);
2278 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2279 priv->adapter->auto_tdls &&
2280 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2281 mwifiex_setup_auto_tdls_timer(priv);
2282 } else {
2283 mwifiex_dbg(priv->adapter, ERROR,
2284 "info: association to bssid %pM failed\n",
2285 priv->cfg_bssid);
2286 eth_zero_addr(priv->cfg_bssid);
2287
2288 if (ret > 0)
2289 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2290 NULL, 0, NULL, 0, ret,
2291 GFP_KERNEL);
2292 else
2293 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2294 NULL, 0, NULL, 0,
2295 WLAN_STATUS_UNSPECIFIED_FAILURE,
2296 GFP_KERNEL);
2297 }
2298
2299 return 0;
2300 }
2301
2302 /*
2303 * This function sets following parameters for ibss network.
2304 * - channel
2305 * - start band
2306 * - 11n flag
2307 * - secondary channel offset
2308 */
2309 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2310 struct cfg80211_ibss_params *params)
2311 {
2312 struct mwifiex_adapter *adapter = priv->adapter;
2313 int index = 0, i;
2314 u8 config_bands = 0;
2315
2316 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2317 if (!params->basic_rates) {
2318 config_bands = BAND_B | BAND_G;
2319 } else {
2320 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2321 /*
2322 * Rates below 6 Mbps in the table are CCK
2323 * rates; 802.11b and from 6 they are OFDM;
2324 * 802.11G
2325 */
2326 if (mwifiex_rates[i].bitrate == 60) {
2327 index = 1 << i;
2328 break;
2329 }
2330 }
2331
2332 if (params->basic_rates < index) {
2333 config_bands = BAND_B;
2334 } else {
2335 config_bands = BAND_G;
2336 if (params->basic_rates % index)
2337 config_bands |= BAND_B;
2338 }
2339 }
2340
2341 if (cfg80211_get_chandef_type(&params->chandef) !=
2342 NL80211_CHAN_NO_HT)
2343 config_bands |= BAND_G | BAND_GN;
2344 } else {
2345 if (cfg80211_get_chandef_type(&params->chandef) ==
2346 NL80211_CHAN_NO_HT)
2347 config_bands = BAND_A;
2348 else
2349 config_bands = BAND_AN | BAND_A;
2350 }
2351
2352 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2353 adapter->config_bands = config_bands;
2354 adapter->adhoc_start_band = config_bands;
2355
2356 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2357 adapter->adhoc_11n_enabled = true;
2358 else
2359 adapter->adhoc_11n_enabled = false;
2360 }
2361
2362 adapter->sec_chan_offset =
2363 mwifiex_chan_type_to_sec_chan_offset(
2364 cfg80211_get_chandef_type(&params->chandef));
2365 priv->adhoc_channel = ieee80211_frequency_to_channel(
2366 params->chandef.chan->center_freq);
2367
2368 mwifiex_dbg(adapter, INFO,
2369 "info: set ibss band %d, chan %d, chan offset %d\n",
2370 config_bands, priv->adhoc_channel,
2371 adapter->sec_chan_offset);
2372
2373 return 0;
2374 }
2375
2376 /*
2377 * CFG802.11 operation handler to join an IBSS.
2378 *
2379 * This function does not work in any mode other than Ad-Hoc, or if
2380 * a join operation is already in progress.
2381 */
2382 static int
2383 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2384 struct cfg80211_ibss_params *params)
2385 {
2386 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2387 int ret = 0;
2388
2389 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2390 mwifiex_dbg(priv->adapter, ERROR,
2391 "request to join ibss received\t"
2392 "when station is not in ibss mode\n");
2393 goto done;
2394 }
2395
2396 mwifiex_dbg(priv->adapter, MSG,
2397 "info: trying to join to %s and bssid %pM\n",
2398 (char *)params->ssid, params->bssid);
2399
2400 mwifiex_set_ibss_params(priv, params);
2401
2402 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2403 params->bssid, priv->bss_mode,
2404 params->chandef.chan, NULL,
2405 params->privacy);
2406 done:
2407 if (!ret) {
2408 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2409 params->chandef.chan, GFP_KERNEL);
2410 mwifiex_dbg(priv->adapter, MSG,
2411 "info: joined/created adhoc network with bssid\t"
2412 "%pM successfully\n", priv->cfg_bssid);
2413 } else {
2414 mwifiex_dbg(priv->adapter, ERROR,
2415 "info: failed creating/joining adhoc network\n");
2416 }
2417
2418 return ret;
2419 }
2420
2421 /*
2422 * CFG802.11 operation handler to leave an IBSS.
2423 *
2424 * This function does not work if a leave operation is
2425 * already in progress.
2426 */
2427 static int
2428 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2429 {
2430 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2431
2432 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2433 priv->cfg_bssid);
2434 if (mwifiex_deauthenticate(priv, NULL))
2435 return -EFAULT;
2436
2437 eth_zero_addr(priv->cfg_bssid);
2438
2439 return 0;
2440 }
2441
2442 /*
2443 * CFG802.11 operation handler for scan request.
2444 *
2445 * This function issues a scan request to the firmware based upon
2446 * the user specified scan configuration. On successful completion,
2447 * it also informs the results.
2448 */
2449 static int
2450 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2451 struct cfg80211_scan_request *request)
2452 {
2453 struct net_device *dev = request->wdev->netdev;
2454 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2455 int i, offset, ret;
2456 struct ieee80211_channel *chan;
2457 struct ieee_types_header *ie;
2458 struct mwifiex_user_scan_cfg *user_scan_cfg;
2459
2460 mwifiex_dbg(priv->adapter, CMD,
2461 "info: received scan request on %s\n", dev->name);
2462
2463 /* Block scan request if scan operation or scan cleanup when interface
2464 * is disabled is in process
2465 */
2466 if (priv->scan_request || priv->scan_aborting) {
2467 mwifiex_dbg(priv->adapter, WARN,
2468 "cmd: Scan already in process..\n");
2469 return -EBUSY;
2470 }
2471
2472 if (!priv->wdev.current_bss && priv->scan_block)
2473 priv->scan_block = false;
2474
2475 if (!mwifiex_stop_bg_scan(priv))
2476 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);
2477
2478 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2479 if (!user_scan_cfg)
2480 return -ENOMEM;
2481
2482 priv->scan_request = request;
2483
2484 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2485 ether_addr_copy(priv->random_mac, request->mac_addr);
2486 for (i = 0; i < ETH_ALEN; i++) {
2487 priv->random_mac[i] &= request->mac_addr_mask[i];
2488 priv->random_mac[i] |= get_random_int() &
2489 ~(request->mac_addr_mask[i]);
2490 }
2491 }
2492
2493 ether_addr_copy(user_scan_cfg->random_mac, priv->random_mac);
2494 user_scan_cfg->num_ssids = request->n_ssids;
2495 user_scan_cfg->ssid_list = request->ssids;
2496
2497 if (request->ie && request->ie_len) {
2498 offset = 0;
2499 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2500 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2501 continue;
2502 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2503 ie = (struct ieee_types_header *)(request->ie + offset);
2504 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2505 offset += sizeof(*ie) + ie->len;
2506
2507 if (offset >= request->ie_len)
2508 break;
2509 }
2510 }
2511
2512 for (i = 0; i < min_t(u32, request->n_channels,
2513 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2514 chan = request->channels[i];
2515 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2516 user_scan_cfg->chan_list[i].radio_type = chan->band;
2517
2518 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2519 user_scan_cfg->chan_list[i].scan_type =
2520 MWIFIEX_SCAN_TYPE_PASSIVE;
2521 else
2522 user_scan_cfg->chan_list[i].scan_type =
2523 MWIFIEX_SCAN_TYPE_ACTIVE;
2524
2525 user_scan_cfg->chan_list[i].scan_time = 0;
2526 }
2527
2528 if (priv->adapter->scan_chan_gap_enabled &&
2529 mwifiex_is_any_intf_active(priv))
2530 user_scan_cfg->scan_chan_gap =
2531 priv->adapter->scan_chan_gap_time;
2532
2533 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2534 kfree(user_scan_cfg);
2535 if (ret) {
2536 mwifiex_dbg(priv->adapter, ERROR,
2537 "scan failed: %d\n", ret);
2538 priv->scan_aborting = false;
2539 priv->scan_request = NULL;
2540 return ret;
2541 }
2542
2543 if (request->ie && request->ie_len) {
2544 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2545 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2546 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2547 memset(&priv->vs_ie[i].ie, 0,
2548 MWIFIEX_MAX_VSIE_LEN);
2549 }
2550 }
2551 }
2552 return 0;
2553 }
2554
2555 /* CFG802.11 operation handler for sched_scan_start.
2556 *
2557 * This function issues a bgscan config request to the firmware based upon
2558 * the user specified sched_scan configuration. On successful completion,
2559 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2560 * query command to get sched_scan results from firmware.
2561 */
2562 static int
2563 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2564 struct net_device *dev,
2565 struct cfg80211_sched_scan_request *request)
2566 {
2567 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2568 int i, offset;
2569 struct ieee80211_channel *chan;
2570 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2571 struct ieee_types_header *ie;
2572
2573 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2574 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2575 __func__);
2576 return -EINVAL;
2577 }
2578
2579 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2580 request->n_ssids, request->n_match_sets);
2581 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2582 request->n_channels, request->scan_plans->interval,
2583 (int)request->ie_len);
2584
2585 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2586 if (!bgscan_cfg)
2587 return -ENOMEM;
2588
2589 if (priv->scan_request || priv->scan_aborting)
2590 bgscan_cfg->start_later = true;
2591
2592 bgscan_cfg->num_ssids = request->n_match_sets;
2593 bgscan_cfg->ssid_list = request->match_sets;
2594
2595 if (request->ie && request->ie_len) {
2596 offset = 0;
2597 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2598 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2599 continue;
2600 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2601 ie = (struct ieee_types_header *)(request->ie + offset);
2602 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2603 offset += sizeof(*ie) + ie->len;
2604
2605 if (offset >= request->ie_len)
2606 break;
2607 }
2608 }
2609
2610 for (i = 0; i < min_t(u32, request->n_channels,
2611 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2612 chan = request->channels[i];
2613 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2614 bgscan_cfg->chan_list[i].radio_type = chan->band;
2615
2616 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2617 bgscan_cfg->chan_list[i].scan_type =
2618 MWIFIEX_SCAN_TYPE_PASSIVE;
2619 else
2620 bgscan_cfg->chan_list[i].scan_type =
2621 MWIFIEX_SCAN_TYPE_ACTIVE;
2622
2623 bgscan_cfg->chan_list[i].scan_time = 0;
2624 }
2625
2626 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2627 MWIFIEX_BG_SCAN_CHAN_MAX);
2628
2629 /* Use at least 15 second for per scan cycle */
2630 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2631 MWIFIEX_BGSCAN_INTERVAL) ?
2632 request->scan_plans->interval :
2633 MWIFIEX_BGSCAN_INTERVAL;
2634
2635 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2636 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2637 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2638 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2639 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2640 bgscan_cfg->enable = true;
2641 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2642 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2643 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2644 }
2645
2646 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2647 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2648 kfree(bgscan_cfg);
2649 return -EFAULT;
2650 }
2651
2652 priv->sched_scanning = true;
2653
2654 kfree(bgscan_cfg);
2655 return 0;
2656 }
2657
2658 /* CFG802.11 operation handler for sched_scan_stop.
2659 *
2660 * This function issues a bgscan config command to disable
2661 * previous bgscan configuration in the firmware
2662 */
2663 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2664 struct net_device *dev)
2665 {
2666 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2667
2668 wiphy_info(wiphy, "sched scan stop!");
2669 mwifiex_stop_bg_scan(priv);
2670
2671 return 0;
2672 }
2673
2674 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2675 struct mwifiex_private *priv)
2676 {
2677 struct mwifiex_adapter *adapter = priv->adapter;
2678
2679 vht_info->vht_supported = true;
2680
2681 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2682 /* Update MCS support for VHT */
2683 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2684 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2685 vht_info->vht_mcs.rx_highest = 0;
2686 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2687 adapter->hw_dot_11ac_mcs_support >> 16);
2688 vht_info->vht_mcs.tx_highest = 0;
2689 }
2690
2691 /*
2692 * This function sets up the CFG802.11 specific HT capability fields
2693 * with default values.
2694 *
2695 * The following default values are set -
2696 * - HT Supported = True
2697 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2698 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2699 * - HT Capabilities supported by firmware
2700 * - MCS information, Rx mask = 0xff
2701 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2702 */
2703 static void
2704 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2705 struct mwifiex_private *priv)
2706 {
2707 int rx_mcs_supp;
2708 struct ieee80211_mcs_info mcs_set;
2709 u8 *mcs = (u8 *)&mcs_set;
2710 struct mwifiex_adapter *adapter = priv->adapter;
2711
2712 ht_info->ht_supported = true;
2713 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2714 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2715
2716 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2717
2718 /* Fill HT capability information */
2719 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2720 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2721 else
2722 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2723
2724 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2725 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2726 else
2727 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2728
2729 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2730 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2731 else
2732 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2733
2734 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2735 ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2736 else
2737 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2738
2739 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2740 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2741 else
2742 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2743
2744 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2745 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2746 else
2747 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2748
2749 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2750 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2751 else
2752 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2753
2754 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2755 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2756 else
2757 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2758
2759 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2760 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2761
2762 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2763 /* Set MCS for 1x1/2x2 */
2764 memset(mcs, 0xff, rx_mcs_supp);
2765 /* Clear all the other values */
2766 memset(&mcs[rx_mcs_supp], 0,
2767 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2768 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2769 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2770 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2771 SETHT_MCS32(mcs_set.rx_mask);
2772
2773 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2774
2775 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2776 }
2777
2778 /*
2779 * create a new virtual interface with the given name and name assign type
2780 */
2781 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2782 const char *name,
2783 unsigned char name_assign_type,
2784 enum nl80211_iftype type,
2785 u32 *flags,
2786 struct vif_params *params)
2787 {
2788 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2789 struct mwifiex_private *priv;
2790 struct net_device *dev;
2791 void *mdev_priv;
2792 int ret;
2793
2794 if (!adapter)
2795 return ERR_PTR(-EFAULT);
2796
2797 switch (type) {
2798 case NL80211_IFTYPE_UNSPECIFIED:
2799 case NL80211_IFTYPE_STATION:
2800 case NL80211_IFTYPE_ADHOC:
2801 if (adapter->curr_iface_comb.sta_intf ==
2802 adapter->iface_limit.sta_intf) {
2803 mwifiex_dbg(adapter, ERROR,
2804 "cannot create multiple sta/adhoc ifaces\n");
2805 return ERR_PTR(-EINVAL);
2806 }
2807
2808 priv = mwifiex_get_unused_priv_by_bss_type(
2809 adapter, MWIFIEX_BSS_TYPE_STA);
2810 if (!priv) {
2811 mwifiex_dbg(adapter, ERROR,
2812 "could not get free private struct\n");
2813 return ERR_PTR(-EFAULT);
2814 }
2815
2816 priv->wdev.wiphy = wiphy;
2817 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2818
2819 if (type == NL80211_IFTYPE_UNSPECIFIED)
2820 priv->bss_mode = NL80211_IFTYPE_STATION;
2821 else
2822 priv->bss_mode = type;
2823
2824 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2825 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2826 priv->bss_priority = 0;
2827 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2828
2829 break;
2830 case NL80211_IFTYPE_AP:
2831 if (adapter->curr_iface_comb.uap_intf ==
2832 adapter->iface_limit.uap_intf) {
2833 mwifiex_dbg(adapter, ERROR,
2834 "cannot create multiple AP ifaces\n");
2835 return ERR_PTR(-EINVAL);
2836 }
2837
2838 priv = mwifiex_get_unused_priv_by_bss_type(
2839 adapter, MWIFIEX_BSS_TYPE_UAP);
2840 if (!priv) {
2841 mwifiex_dbg(adapter, ERROR,
2842 "could not get free private struct\n");
2843 return ERR_PTR(-EFAULT);
2844 }
2845
2846 priv->wdev.wiphy = wiphy;
2847 priv->wdev.iftype = NL80211_IFTYPE_AP;
2848
2849 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2850 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2851 priv->bss_priority = 0;
2852 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2853 priv->bss_started = 0;
2854 priv->bss_mode = type;
2855
2856 break;
2857 case NL80211_IFTYPE_P2P_CLIENT:
2858 if (adapter->curr_iface_comb.p2p_intf ==
2859 adapter->iface_limit.p2p_intf) {
2860 mwifiex_dbg(adapter, ERROR,
2861 "cannot create multiple P2P ifaces\n");
2862 return ERR_PTR(-EINVAL);
2863 }
2864
2865 priv = mwifiex_get_unused_priv_by_bss_type(
2866 adapter, MWIFIEX_BSS_TYPE_P2P);
2867 if (!priv) {
2868 mwifiex_dbg(adapter, ERROR,
2869 "could not get free private struct\n");
2870 return ERR_PTR(-EFAULT);
2871 }
2872
2873 priv->wdev.wiphy = wiphy;
2874 /* At start-up, wpa_supplicant tries to change the interface
2875 * to NL80211_IFTYPE_STATION if it is not managed mode.
2876 */
2877 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2878 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2879
2880 /* Setting bss_type to P2P tells firmware that this interface
2881 * is receiving P2P peers found during find phase and doing
2882 * action frame handshake.
2883 */
2884 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2885
2886 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2887 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2888 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2889 priv->bss_started = 0;
2890
2891 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2892 memset(&priv->wdev, 0, sizeof(priv->wdev));
2893 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2894 return ERR_PTR(-EFAULT);
2895 }
2896
2897 break;
2898 default:
2899 mwifiex_dbg(adapter, ERROR, "type not supported\n");
2900 return ERR_PTR(-EINVAL);
2901 }
2902
2903 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2904 name_assign_type, ether_setup,
2905 IEEE80211_NUM_ACS, 1);
2906 if (!dev) {
2907 mwifiex_dbg(adapter, ERROR,
2908 "no memory available for netdevice\n");
2909 memset(&priv->wdev, 0, sizeof(priv->wdev));
2910 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2911 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2912 return ERR_PTR(-ENOMEM);
2913 }
2914
2915 mwifiex_init_priv_params(priv, dev);
2916 priv->netdev = dev;
2917
2918 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
2919 HostCmd_ACT_GEN_SET, 0, NULL, true);
2920 if (ret)
2921 return ERR_PTR(ret);
2922
2923 ret = mwifiex_sta_init_cmd(priv, false, false);
2924 if (ret)
2925 return ERR_PTR(ret);
2926
2927 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
2928 if (adapter->is_hw_11ac_capable)
2929 mwifiex_setup_vht_caps(
2930 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
2931
2932 if (adapter->config_bands & BAND_A)
2933 mwifiex_setup_ht_caps(
2934 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
2935
2936 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2937 mwifiex_setup_vht_caps(
2938 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
2939
2940 dev_net_set(dev, wiphy_net(wiphy));
2941 dev->ieee80211_ptr = &priv->wdev;
2942 dev->ieee80211_ptr->iftype = priv->bss_mode;
2943 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
2944 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2945
2946 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2947 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2948 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2949 dev->ethtool_ops = &mwifiex_ethtool_ops;
2950
2951 mdev_priv = netdev_priv(dev);
2952 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2953
2954 SET_NETDEV_DEV(dev, adapter->dev);
2955
2956 /* Register network device */
2957 if (register_netdevice(dev)) {
2958 mwifiex_dbg(adapter, ERROR,
2959 "cannot register virtual network device\n");
2960 free_netdev(dev);
2961 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2962 priv->netdev = NULL;
2963 memset(&priv->wdev, 0, sizeof(priv->wdev));
2964 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2965 return ERR_PTR(-EFAULT);
2966 }
2967
2968 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
2969 WQ_HIGHPRI |
2970 WQ_MEM_RECLAIM |
2971 WQ_UNBOUND, 1, name);
2972 if (!priv->dfs_cac_workqueue) {
2973 mwifiex_dbg(adapter, ERROR,
2974 "cannot register virtual network device\n");
2975 free_netdev(dev);
2976 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2977 priv->netdev = NULL;
2978 memset(&priv->wdev, 0, sizeof(priv->wdev));
2979 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2980 return ERR_PTR(-ENOMEM);
2981 }
2982
2983 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
2984
2985 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
2986 WQ_HIGHPRI | WQ_UNBOUND |
2987 WQ_MEM_RECLAIM, 1, name);
2988 if (!priv->dfs_chan_sw_workqueue) {
2989 mwifiex_dbg(adapter, ERROR,
2990 "cannot register virtual network device\n");
2991 free_netdev(dev);
2992 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2993 priv->netdev = NULL;
2994 memset(&priv->wdev, 0, sizeof(priv->wdev));
2995 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2996 return ERR_PTR(-ENOMEM);
2997 }
2998
2999 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3000 mwifiex_dfs_chan_sw_work_queue);
3001
3002 sema_init(&priv->async_sem, 1);
3003
3004 mwifiex_dbg(adapter, INFO,
3005 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3006
3007 #ifdef CONFIG_DEBUG_FS
3008 mwifiex_dev_debugfs_init(priv);
3009 #endif
3010
3011 switch (type) {
3012 case NL80211_IFTYPE_UNSPECIFIED:
3013 case NL80211_IFTYPE_STATION:
3014 case NL80211_IFTYPE_ADHOC:
3015 adapter->curr_iface_comb.sta_intf++;
3016 break;
3017 case NL80211_IFTYPE_AP:
3018 adapter->curr_iface_comb.uap_intf++;
3019 break;
3020 case NL80211_IFTYPE_P2P_CLIENT:
3021 adapter->curr_iface_comb.p2p_intf++;
3022 break;
3023 default:
3024 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3025 return ERR_PTR(-EINVAL);
3026 }
3027
3028 return &priv->wdev;
3029 }
3030 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3031
3032 /*
3033 * del_virtual_intf: remove the virtual interface determined by dev
3034 */
3035 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3036 {
3037 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3038 struct mwifiex_adapter *adapter = priv->adapter;
3039 struct sk_buff *skb, *tmp;
3040
3041 #ifdef CONFIG_DEBUG_FS
3042 mwifiex_dev_debugfs_remove(priv);
3043 #endif
3044
3045 if (priv->sched_scanning)
3046 priv->sched_scanning = false;
3047
3048 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3049
3050 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp)
3051 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3052
3053 if (netif_carrier_ok(priv->netdev))
3054 netif_carrier_off(priv->netdev);
3055
3056 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3057 unregister_netdevice(wdev->netdev);
3058
3059 if (priv->dfs_cac_workqueue) {
3060 flush_workqueue(priv->dfs_cac_workqueue);
3061 destroy_workqueue(priv->dfs_cac_workqueue);
3062 priv->dfs_cac_workqueue = NULL;
3063 }
3064
3065 if (priv->dfs_chan_sw_workqueue) {
3066 flush_workqueue(priv->dfs_chan_sw_workqueue);
3067 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3068 priv->dfs_chan_sw_workqueue = NULL;
3069 }
3070 /* Clear the priv in adapter */
3071 priv->netdev->ieee80211_ptr = NULL;
3072 priv->netdev = NULL;
3073 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3074
3075 priv->media_connected = false;
3076
3077 switch (priv->bss_mode) {
3078 case NL80211_IFTYPE_UNSPECIFIED:
3079 case NL80211_IFTYPE_STATION:
3080 case NL80211_IFTYPE_ADHOC:
3081 adapter->curr_iface_comb.sta_intf--;
3082 break;
3083 case NL80211_IFTYPE_AP:
3084 adapter->curr_iface_comb.uap_intf--;
3085 break;
3086 case NL80211_IFTYPE_P2P_CLIENT:
3087 case NL80211_IFTYPE_P2P_GO:
3088 adapter->curr_iface_comb.p2p_intf--;
3089 break;
3090 default:
3091 mwifiex_dbg(adapter, ERROR,
3092 "del_virtual_intf: type not supported\n");
3093 break;
3094 }
3095
3096 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3097
3098 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3099 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3100 kfree(priv->hist_data);
3101
3102 return 0;
3103 }
3104 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3105
3106 static bool
3107 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3108 u8 max_byte_seq)
3109 {
3110 int j, k, valid_byte_cnt = 0;
3111 bool dont_care_byte = false;
3112
3113 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3114 for (k = 0; k < 8; k++) {
3115 if (pat->mask[j] & 1 << k) {
3116 memcpy(byte_seq + valid_byte_cnt,
3117 &pat->pattern[j * 8 + k], 1);
3118 valid_byte_cnt++;
3119 if (dont_care_byte)
3120 return false;
3121 } else {
3122 if (valid_byte_cnt)
3123 dont_care_byte = true;
3124 }
3125
3126 /* wildcard bytes record as the offset
3127 * before the valid byte
3128 */
3129 if (!valid_byte_cnt && !dont_care_byte)
3130 pat->pkt_offset++;
3131
3132 if (valid_byte_cnt > max_byte_seq)
3133 return false;
3134 }
3135 }
3136
3137 byte_seq[max_byte_seq] = valid_byte_cnt;
3138
3139 return true;
3140 }
3141
3142 #ifdef CONFIG_PM
3143 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3144 struct mwifiex_mef_entry *mef_entry)
3145 {
3146 int i, filt_num = 0, num_ipv4 = 0;
3147 struct in_device *in_dev;
3148 struct in_ifaddr *ifa;
3149 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3150 struct mwifiex_adapter *adapter = priv->adapter;
3151
3152 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3153 mef_entry->action = MEF_ACTION_AUTO_ARP;
3154
3155 /* Enable ARP offload feature */
3156 memset(ips, 0, sizeof(ips));
3157 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3158 if (adapter->priv[i]->netdev) {
3159 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3160 if (!in_dev)
3161 continue;
3162 ifa = in_dev->ifa_list;
3163 if (!ifa || !ifa->ifa_local)
3164 continue;
3165 ips[i] = ifa->ifa_local;
3166 num_ipv4++;
3167 }
3168 }
3169
3170 for (i = 0; i < num_ipv4; i++) {
3171 if (!ips[i])
3172 continue;
3173 mef_entry->filter[filt_num].repeat = 1;
3174 memcpy(mef_entry->filter[filt_num].byte_seq,
3175 (u8 *)&ips[i], sizeof(ips[i]));
3176 mef_entry->filter[filt_num].
3177 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3178 sizeof(ips[i]);
3179 mef_entry->filter[filt_num].offset = 46;
3180 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3181 if (filt_num) {
3182 mef_entry->filter[filt_num].filt_action =
3183 TYPE_OR;
3184 }
3185 filt_num++;
3186 }
3187
3188 mef_entry->filter[filt_num].repeat = 1;
3189 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3190 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3191 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3192 mef_entry->filter[filt_num].offset = 20;
3193 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3194 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3195 }
3196
3197 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3198 struct mwifiex_ds_mef_cfg *mef_cfg,
3199 struct mwifiex_mef_entry *mef_entry,
3200 struct cfg80211_wowlan *wowlan)
3201 {
3202 int i, filt_num = 0, ret = 0;
3203 bool first_pat = true;
3204 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3205 const u8 ipv4_mc_mac[] = {0x33, 0x33};
3206 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3207
3208 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3209 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3210
3211 for (i = 0; i < wowlan->n_patterns; i++) {
3212 memset(byte_seq, 0, sizeof(byte_seq));
3213 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3214 byte_seq,
3215 MWIFIEX_MEF_MAX_BYTESEQ)) {
3216 mwifiex_dbg(priv->adapter, ERROR,
3217 "Pattern not supported\n");
3218 return -EOPNOTSUPP;
3219 }
3220
3221 if (!wowlan->patterns[i].pkt_offset) {
3222 if (!(byte_seq[0] & 0x01) &&
3223 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3224 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3225 continue;
3226 } else if (is_broadcast_ether_addr(byte_seq)) {
3227 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3228 continue;
3229 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3230 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3231 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3232 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3233 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3234 continue;
3235 }
3236 }
3237 mef_entry->filter[filt_num].repeat = 1;
3238 mef_entry->filter[filt_num].offset =
3239 wowlan->patterns[i].pkt_offset;
3240 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3241 sizeof(byte_seq));
3242 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3243
3244 if (first_pat) {
3245 first_pat = false;
3246 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3247 } else {
3248 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3249 }
3250
3251 filt_num++;
3252 }
3253
3254 if (wowlan->magic_pkt) {
3255 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3256 mef_entry->filter[filt_num].repeat = 16;
3257 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3258 ETH_ALEN);
3259 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3260 ETH_ALEN;
3261 mef_entry->filter[filt_num].offset = 28;
3262 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3263 if (filt_num)
3264 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3265
3266 filt_num++;
3267 mef_entry->filter[filt_num].repeat = 16;
3268 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3269 ETH_ALEN);
3270 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3271 ETH_ALEN;
3272 mef_entry->filter[filt_num].offset = 56;
3273 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3274 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3275 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3276 }
3277 return ret;
3278 }
3279
3280 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3281 struct cfg80211_wowlan *wowlan)
3282 {
3283 int ret = 0, num_entries = 1;
3284 struct mwifiex_ds_mef_cfg mef_cfg;
3285 struct mwifiex_mef_entry *mef_entry;
3286
3287 if (wowlan->n_patterns || wowlan->magic_pkt)
3288 num_entries++;
3289
3290 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3291 if (!mef_entry)
3292 return -ENOMEM;
3293
3294 memset(&mef_cfg, 0, sizeof(mef_cfg));
3295 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3296 MWIFIEX_CRITERIA_UNICAST;
3297 mef_cfg.num_entries = num_entries;
3298 mef_cfg.mef_entry = mef_entry;
3299
3300 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3301
3302 if (wowlan->n_patterns || wowlan->magic_pkt) {
3303 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3304 &mef_entry[1], wowlan);
3305 if (ret)
3306 goto err;
3307 }
3308
3309 if (!mef_cfg.criteria)
3310 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3311 MWIFIEX_CRITERIA_UNICAST |
3312 MWIFIEX_CRITERIA_MULTICAST;
3313
3314 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3315 HostCmd_ACT_GEN_SET, 0,
3316 &mef_cfg, true);
3317
3318 err:
3319 kfree(mef_entry);
3320 return ret;
3321 }
3322
3323 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3324 struct cfg80211_wowlan *wowlan)
3325 {
3326 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3327 struct mwifiex_ds_hs_cfg hs_cfg;
3328 int i, ret = 0, retry_num = 10;
3329 struct mwifiex_private *priv;
3330 struct mwifiex_private *sta_priv =
3331 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3332
3333 sta_priv->scan_aborting = true;
3334 for (i = 0; i < adapter->priv_num; i++) {
3335 priv = adapter->priv[i];
3336 mwifiex_abort_cac(priv);
3337 }
3338
3339 mwifiex_cancel_all_pending_cmd(adapter);
3340
3341 for (i = 0; i < adapter->priv_num; i++) {
3342 priv = adapter->priv[i];
3343 if (priv && priv->netdev) {
3344 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3345 if (netif_carrier_ok(priv->netdev))
3346 netif_carrier_off(priv->netdev);
3347 }
3348 }
3349
3350 for (i = 0; i < retry_num; i++) {
3351 if (!mwifiex_wmm_lists_empty(adapter) ||
3352 !mwifiex_bypass_txlist_empty(adapter) ||
3353 !skb_queue_empty(&adapter->tx_data_q))
3354 usleep_range(10000, 15000);
3355 else
3356 break;
3357 }
3358
3359 if (!wowlan) {
3360 mwifiex_dbg(adapter, ERROR,
3361 "None of the WOWLAN triggers enabled\n");
3362 ret = 0;
3363 goto done;
3364 }
3365
3366 if (!sta_priv->media_connected && !wowlan->nd_config) {
3367 mwifiex_dbg(adapter, ERROR,
3368 "Can not configure WOWLAN in disconnected state\n");
3369 ret = 0;
3370 goto done;
3371 }
3372
3373 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3374 if (ret) {
3375 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3376 goto done;
3377 }
3378
3379 memset(&hs_cfg, 0, sizeof(hs_cfg));
3380 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3381
3382 if (wowlan->nd_config) {
3383 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3384 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3385 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3386 wowlan->nd_config);
3387 }
3388
3389 if (wowlan->disconnect) {
3390 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3391 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3392 }
3393
3394 hs_cfg.is_invoke_hostcmd = false;
3395 hs_cfg.gpio = adapter->hs_cfg.gpio;
3396 hs_cfg.gap = adapter->hs_cfg.gap;
3397 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3398 MWIFIEX_SYNC_CMD, &hs_cfg);
3399 if (ret)
3400 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3401
3402 done:
3403 sta_priv->scan_aborting = false;
3404 return ret;
3405 }
3406
3407 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3408 {
3409 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3410 struct mwifiex_private *priv;
3411 struct mwifiex_ds_wakeup_reason wakeup_reason;
3412 struct cfg80211_wowlan_wakeup wakeup_report;
3413 int i;
3414 bool report_wakeup_reason = true;
3415
3416 for (i = 0; i < adapter->priv_num; i++) {
3417 priv = adapter->priv[i];
3418 if (priv && priv->netdev) {
3419 if (!netif_carrier_ok(priv->netdev))
3420 netif_carrier_on(priv->netdev);
3421 mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
3422 }
3423 }
3424
3425 if (!wiphy->wowlan_config)
3426 goto done;
3427
3428 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3429 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3430 &wakeup_reason);
3431 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3432
3433 wakeup_report.pattern_idx = -1;
3434
3435 switch (wakeup_reason.hs_wakeup_reason) {
3436 case NO_HSWAKEUP_REASON:
3437 break;
3438 case BCAST_DATA_MATCHED:
3439 break;
3440 case MCAST_DATA_MATCHED:
3441 break;
3442 case UCAST_DATA_MATCHED:
3443 break;
3444 case MASKTABLE_EVENT_MATCHED:
3445 break;
3446 case NON_MASKABLE_EVENT_MATCHED:
3447 if (wiphy->wowlan_config->disconnect)
3448 wakeup_report.disconnect = true;
3449 if (wiphy->wowlan_config->nd_config)
3450 wakeup_report.net_detect = adapter->nd_info;
3451 break;
3452 case NON_MASKABLE_CONDITION_MATCHED:
3453 break;
3454 case MAGIC_PATTERN_MATCHED:
3455 if (wiphy->wowlan_config->magic_pkt)
3456 wakeup_report.magic_pkt = true;
3457 if (wiphy->wowlan_config->n_patterns)
3458 wakeup_report.pattern_idx = 1;
3459 break;
3460 case GTK_REKEY_FAILURE:
3461 if (wiphy->wowlan_config->gtk_rekey_failure)
3462 wakeup_report.gtk_rekey_failure = true;
3463 break;
3464 default:
3465 report_wakeup_reason = false;
3466 break;
3467 }
3468
3469 if (report_wakeup_reason)
3470 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3471 GFP_KERNEL);
3472
3473 done:
3474 if (adapter->nd_info) {
3475 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3476 kfree(adapter->nd_info->matches[i]);
3477 kfree(adapter->nd_info);
3478 adapter->nd_info = NULL;
3479 }
3480
3481 return 0;
3482 }
3483
3484 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3485 bool enabled)
3486 {
3487 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3488
3489 device_set_wakeup_enable(adapter->dev, enabled);
3490 }
3491
3492 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3493 struct cfg80211_gtk_rekey_data *data)
3494 {
3495 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3496
3497 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3498 HostCmd_ACT_GEN_SET, 0, data, true);
3499 }
3500
3501 #endif
3502
3503 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3504 {
3505 const u8 ipv4_mc_mac[] = {0x33, 0x33};
3506 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3507 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3508
3509 if ((byte_seq[0] & 0x01) &&
3510 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3511 return PACKET_TYPE_UNICAST;
3512 else if (!memcmp(byte_seq, bc_mac, 4))
3513 return PACKET_TYPE_BROADCAST;
3514 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3515 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3516 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3517 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3518 return PACKET_TYPE_MULTICAST;
3519
3520 return 0;
3521 }
3522
3523 static int
3524 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3525 struct cfg80211_coalesce_rules *crule,
3526 struct mwifiex_coalesce_rule *mrule)
3527 {
3528 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3529 struct filt_field_param *param;
3530 int i;
3531
3532 mrule->max_coalescing_delay = crule->delay;
3533
3534 param = mrule->params;
3535
3536 for (i = 0; i < crule->n_patterns; i++) {
3537 memset(byte_seq, 0, sizeof(byte_seq));
3538 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3539 byte_seq,
3540 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3541 mwifiex_dbg(priv->adapter, ERROR,
3542 "Pattern not supported\n");
3543 return -EOPNOTSUPP;
3544 }
3545
3546 if (!crule->patterns[i].pkt_offset) {
3547 u8 pkt_type;
3548
3549 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3550 if (pkt_type && mrule->pkt_type) {
3551 mwifiex_dbg(priv->adapter, ERROR,
3552 "Multiple packet types not allowed\n");
3553 return -EOPNOTSUPP;
3554 } else if (pkt_type) {
3555 mrule->pkt_type = pkt_type;
3556 continue;
3557 }
3558 }
3559
3560 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3561 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3562 else
3563 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3564
3565 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3566 memcpy(param->operand_byte_stream, byte_seq,
3567 param->operand_len);
3568 param->offset = crule->patterns[i].pkt_offset;
3569 param++;
3570
3571 mrule->num_of_fields++;
3572 }
3573
3574 if (!mrule->pkt_type) {
3575 mwifiex_dbg(priv->adapter, ERROR,
3576 "Packet type can not be determined\n");
3577 return -EOPNOTSUPP;
3578 }
3579
3580 return 0;
3581 }
3582
3583 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3584 struct cfg80211_coalesce *coalesce)
3585 {
3586 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3587 int i, ret;
3588 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3589 struct mwifiex_private *priv =
3590 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3591
3592 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3593 if (!coalesce) {
3594 mwifiex_dbg(adapter, WARN,
3595 "Disable coalesce and reset all previous rules\n");
3596 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3597 HostCmd_ACT_GEN_SET, 0,
3598 &coalesce_cfg, true);
3599 }
3600
3601 coalesce_cfg.num_of_rules = coalesce->n_rules;
3602 for (i = 0; i < coalesce->n_rules; i++) {
3603 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3604 &coalesce_cfg.rule[i]);
3605 if (ret) {
3606 mwifiex_dbg(adapter, ERROR,
3607 "Recheck the patterns provided for rule %d\n",
3608 i + 1);
3609 return ret;
3610 }
3611 }
3612
3613 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3614 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3615 }
3616
3617 /* cfg80211 ops handler for tdls_mgmt.
3618 * Function prepares TDLS action frame packets and forwards them to FW
3619 */
3620 static int
3621 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3622 const u8 *peer, u8 action_code, u8 dialog_token,
3623 u16 status_code, u32 peer_capability,
3624 bool initiator, const u8 *extra_ies,
3625 size_t extra_ies_len)
3626 {
3627 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3628 int ret;
3629
3630 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3631 return -ENOTSUPP;
3632
3633 /* make sure we are in station mode and connected */
3634 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3635 return -ENOTSUPP;
3636
3637 switch (action_code) {
3638 case WLAN_TDLS_SETUP_REQUEST:
3639 mwifiex_dbg(priv->adapter, MSG,
3640 "Send TDLS Setup Request to %pM status_code=%d\n",
3641 peer, status_code);
3642 mwifiex_add_auto_tdls_peer(priv, peer);
3643 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3644 dialog_token, status_code,
3645 extra_ies, extra_ies_len);
3646 break;
3647 case WLAN_TDLS_SETUP_RESPONSE:
3648 mwifiex_add_auto_tdls_peer(priv, peer);
3649 mwifiex_dbg(priv->adapter, MSG,
3650 "Send TDLS Setup Response to %pM status_code=%d\n",
3651 peer, status_code);
3652 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3653 dialog_token, status_code,
3654 extra_ies, extra_ies_len);
3655 break;
3656 case WLAN_TDLS_SETUP_CONFIRM:
3657 mwifiex_dbg(priv->adapter, MSG,
3658 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3659 status_code);
3660 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3661 dialog_token, status_code,
3662 extra_ies, extra_ies_len);
3663 break;
3664 case WLAN_TDLS_TEARDOWN:
3665 mwifiex_dbg(priv->adapter, MSG,
3666 "Send TDLS Tear down to %pM\n", peer);
3667 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3668 dialog_token, status_code,
3669 extra_ies, extra_ies_len);
3670 break;
3671 case WLAN_TDLS_DISCOVERY_REQUEST:
3672 mwifiex_dbg(priv->adapter, MSG,
3673 "Send TDLS Discovery Request to %pM\n", peer);
3674 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3675 dialog_token, status_code,
3676 extra_ies, extra_ies_len);
3677 break;
3678 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3679 mwifiex_dbg(priv->adapter, MSG,
3680 "Send TDLS Discovery Response to %pM\n", peer);
3681 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3682 dialog_token, status_code,
3683 extra_ies, extra_ies_len);
3684 break;
3685 default:
3686 mwifiex_dbg(priv->adapter, ERROR,
3687 "Unknown TDLS mgmt/action frame %pM\n", peer);
3688 ret = -EINVAL;
3689 break;
3690 }
3691
3692 return ret;
3693 }
3694
3695 static int
3696 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3697 const u8 *peer, enum nl80211_tdls_operation action)
3698 {
3699 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3700
3701 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3702 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3703 return -ENOTSUPP;
3704
3705 /* make sure we are in station mode and connected */
3706 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3707 return -ENOTSUPP;
3708
3709 mwifiex_dbg(priv->adapter, MSG,
3710 "TDLS peer=%pM, oper=%d\n", peer, action);
3711
3712 switch (action) {
3713 case NL80211_TDLS_ENABLE_LINK:
3714 action = MWIFIEX_TDLS_ENABLE_LINK;
3715 break;
3716 case NL80211_TDLS_DISABLE_LINK:
3717 action = MWIFIEX_TDLS_DISABLE_LINK;
3718 break;
3719 case NL80211_TDLS_TEARDOWN:
3720 /* shouldn't happen!*/
3721 mwifiex_dbg(priv->adapter, ERROR,
3722 "tdls_oper: teardown from driver not supported\n");
3723 return -EINVAL;
3724 case NL80211_TDLS_SETUP:
3725 /* shouldn't happen!*/
3726 mwifiex_dbg(priv->adapter, ERROR,
3727 "tdls_oper: setup from driver not supported\n");
3728 return -EINVAL;
3729 case NL80211_TDLS_DISCOVERY_REQ:
3730 /* shouldn't happen!*/
3731 mwifiex_dbg(priv->adapter, ERROR,
3732 "tdls_oper: discovery from driver not supported\n");
3733 return -EINVAL;
3734 default:
3735 mwifiex_dbg(priv->adapter, ERROR,
3736 "tdls_oper: operation not supported\n");
3737 return -ENOTSUPP;
3738 }
3739
3740 return mwifiex_tdls_oper(priv, peer, action);
3741 }
3742
3743 static int
3744 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3745 const u8 *addr, u8 oper_class,
3746 struct cfg80211_chan_def *chandef)
3747 {
3748 struct mwifiex_sta_node *sta_ptr;
3749 unsigned long flags;
3750 u16 chan;
3751 u8 second_chan_offset, band;
3752 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3753
3754 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3755 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3756 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3757
3758 if (!sta_ptr) {
3759 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3760 __func__, addr);
3761 return -ENOENT;
3762 }
3763
3764 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3765 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3766 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3767 return -ENOENT;
3768 }
3769
3770 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3771 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3772 wiphy_err(wiphy, "channel switch is running, abort request\n");
3773 return -EALREADY;
3774 }
3775
3776 chan = chandef->chan->hw_value;
3777 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3778 band = chandef->chan->band;
3779 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3780
3781 return 0;
3782 }
3783
3784 static void
3785 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3786 struct net_device *dev,
3787 const u8 *addr)
3788 {
3789 struct mwifiex_sta_node *sta_ptr;
3790 unsigned long flags;
3791 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3792
3793 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3794 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3795 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3796
3797 if (!sta_ptr) {
3798 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3799 __func__, addr);
3800 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3801 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3802 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3803 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3804 addr);
3805 } else
3806 mwifiex_stop_tdls_cs(priv, addr);
3807 }
3808
3809 static int
3810 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3811 const u8 *mac, struct station_parameters *params)
3812 {
3813 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3814
3815 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3816 return -ENOTSUPP;
3817
3818 /* make sure we are in station mode and connected */
3819 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3820 return -ENOTSUPP;
3821
3822 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3823 }
3824
3825 static int
3826 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3827 struct cfg80211_csa_settings *params)
3828 {
3829 struct ieee_types_header *chsw_ie;
3830 struct ieee80211_channel_sw_ie *channel_sw;
3831 int chsw_msec;
3832 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3833
3834 if (priv->adapter->scan_processing) {
3835 mwifiex_dbg(priv->adapter, ERROR,
3836 "radar detection: scan in process...\n");
3837 return -EBUSY;
3838 }
3839
3840 if (priv->wdev.cac_started)
3841 return -EBUSY;
3842
3843 if (cfg80211_chandef_identical(&params->chandef,
3844 &priv->dfs_chandef))
3845 return -EINVAL;
3846
3847 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3848 params->beacon_csa.tail,
3849 params->beacon_csa.tail_len);
3850 if (!chsw_ie) {
3851 mwifiex_dbg(priv->adapter, ERROR,
3852 "Could not parse channel switch announcement IE\n");
3853 return -EINVAL;
3854 }
3855
3856 channel_sw = (void *)(chsw_ie + 1);
3857 if (channel_sw->mode) {
3858 if (netif_carrier_ok(priv->netdev))
3859 netif_carrier_off(priv->netdev);
3860 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3861 }
3862
3863 if (mwifiex_del_mgmt_ies(priv))
3864 mwifiex_dbg(priv->adapter, ERROR,
3865 "Failed to delete mgmt IEs!\n");
3866
3867 if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
3868 mwifiex_dbg(priv->adapter, ERROR,
3869 "%s: setting mgmt ies failed\n", __func__);
3870 return -EFAULT;
3871 }
3872
3873 memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
3874 memcpy(&priv->beacon_after, &params->beacon_after,
3875 sizeof(priv->beacon_after));
3876
3877 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
3878 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
3879 msecs_to_jiffies(chsw_msec));
3880 return 0;
3881 }
3882
3883 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
3884 struct wireless_dev *wdev,
3885 struct cfg80211_chan_def *chandef)
3886 {
3887 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3888 struct mwifiex_bssdescriptor *curr_bss;
3889 struct ieee80211_channel *chan;
3890 u8 second_chan_offset;
3891 enum nl80211_channel_type chan_type;
3892 enum nl80211_band band;
3893 int freq;
3894 int ret = -ENODATA;
3895
3896 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
3897 cfg80211_chandef_valid(&priv->bss_chandef)) {
3898 *chandef = priv->bss_chandef;
3899 ret = 0;
3900 } else if (priv->media_connected) {
3901 curr_bss = &priv->curr_bss_params.bss_descriptor;
3902 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
3903 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
3904 chan = ieee80211_get_channel(wiphy, freq);
3905
3906 if (priv->ht_param_present) {
3907 second_chan_offset = priv->assoc_resp_ht_param &
3908 IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
3909 chan_type = mwifiex_sec_chan_offset_to_chan_type
3910 (second_chan_offset);
3911 cfg80211_chandef_create(chandef, chan, chan_type);
3912 } else {
3913 cfg80211_chandef_create(chandef, chan,
3914 NL80211_CHAN_NO_HT);
3915 }
3916 ret = 0;
3917 }
3918
3919 return ret;
3920 }
3921
3922 #ifdef CONFIG_NL80211_TESTMODE
3923
3924 enum mwifiex_tm_attr {
3925 __MWIFIEX_TM_ATTR_INVALID = 0,
3926 MWIFIEX_TM_ATTR_CMD = 1,
3927 MWIFIEX_TM_ATTR_DATA = 2,
3928
3929 /* keep last */
3930 __MWIFIEX_TM_ATTR_AFTER_LAST,
3931 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
3932 };
3933
3934 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
3935 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
3936 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
3937 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
3938 };
3939
3940 enum mwifiex_tm_command {
3941 MWIFIEX_TM_CMD_HOSTCMD = 0,
3942 };
3943
3944 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
3945 void *data, int len)
3946 {
3947 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3948 struct mwifiex_ds_misc_cmd *hostcmd;
3949 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
3950 struct mwifiex_adapter *adapter;
3951 struct sk_buff *skb;
3952 int err;
3953
3954 if (!priv)
3955 return -EINVAL;
3956 adapter = priv->adapter;
3957
3958 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len,
3959 mwifiex_tm_policy);
3960 if (err)
3961 return err;
3962
3963 if (!tb[MWIFIEX_TM_ATTR_CMD])
3964 return -EINVAL;
3965
3966 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
3967 case MWIFIEX_TM_CMD_HOSTCMD:
3968 if (!tb[MWIFIEX_TM_ATTR_DATA])
3969 return -EINVAL;
3970
3971 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
3972 if (!hostcmd)
3973 return -ENOMEM;
3974
3975 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
3976 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
3977 hostcmd->len);
3978
3979 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
3980 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
3981 return -EFAULT;
3982 }
3983
3984 /* process hostcmd response*/
3985 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
3986 if (!skb)
3987 return -ENOMEM;
3988 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
3989 hostcmd->len, hostcmd->cmd);
3990 if (err) {
3991 kfree_skb(skb);
3992 return -EMSGSIZE;
3993 }
3994
3995 err = cfg80211_testmode_reply(skb);
3996 kfree(hostcmd);
3997 return err;
3998 default:
3999 return -EOPNOTSUPP;
4000 }
4001 }
4002 #endif
4003
4004 static int
4005 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4006 struct net_device *dev,
4007 struct cfg80211_chan_def *chandef,
4008 u32 cac_time_ms)
4009 {
4010 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4011 struct mwifiex_radar_params radar_params;
4012
4013 if (priv->adapter->scan_processing) {
4014 mwifiex_dbg(priv->adapter, ERROR,
4015 "radar detection: scan already in process...\n");
4016 return -EBUSY;
4017 }
4018
4019 if (!mwifiex_is_11h_active(priv)) {
4020 mwifiex_dbg(priv->adapter, INFO,
4021 "Enable 11h extensions in FW\n");
4022 if (mwifiex_11h_activate(priv, true)) {
4023 mwifiex_dbg(priv->adapter, ERROR,
4024 "Failed to activate 11h extensions!!");
4025 return -1;
4026 }
4027 priv->state_11h.is_11h_active = true;
4028 }
4029
4030 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4031 radar_params.chandef = chandef;
4032 radar_params.cac_time_ms = cac_time_ms;
4033
4034 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4035
4036 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4037 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4038 return -1;
4039
4040 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4041 msecs_to_jiffies(cac_time_ms));
4042 return 0;
4043 }
4044
4045 static int
4046 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4047 const u8 *mac,
4048 struct station_parameters *params)
4049 {
4050 int ret;
4051 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4052
4053 /* we support change_station handler only for TDLS peers*/
4054 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4055 return -ENOTSUPP;
4056
4057 /* make sure we are in station mode and connected */
4058 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4059 return -ENOTSUPP;
4060
4061 priv->sta_params = params;
4062
4063 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4064 priv->sta_params = NULL;
4065
4066 return ret;
4067 }
4068
4069 /* station cfg80211 operations */
4070 static struct cfg80211_ops mwifiex_cfg80211_ops = {
4071 .add_virtual_intf = mwifiex_add_virtual_intf,
4072 .del_virtual_intf = mwifiex_del_virtual_intf,
4073 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4074 .scan = mwifiex_cfg80211_scan,
4075 .connect = mwifiex_cfg80211_connect,
4076 .disconnect = mwifiex_cfg80211_disconnect,
4077 .get_station = mwifiex_cfg80211_get_station,
4078 .dump_station = mwifiex_cfg80211_dump_station,
4079 .dump_survey = mwifiex_cfg80211_dump_survey,
4080 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4081 .join_ibss = mwifiex_cfg80211_join_ibss,
4082 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4083 .add_key = mwifiex_cfg80211_add_key,
4084 .del_key = mwifiex_cfg80211_del_key,
4085 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4086 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
4087 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4088 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4089 .set_default_key = mwifiex_cfg80211_set_default_key,
4090 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4091 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4092 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4093 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4094 .start_ap = mwifiex_cfg80211_start_ap,
4095 .stop_ap = mwifiex_cfg80211_stop_ap,
4096 .change_beacon = mwifiex_cfg80211_change_beacon,
4097 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4098 .set_antenna = mwifiex_cfg80211_set_antenna,
4099 .get_antenna = mwifiex_cfg80211_get_antenna,
4100 .del_station = mwifiex_cfg80211_del_station,
4101 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4102 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4103 #ifdef CONFIG_PM
4104 .suspend = mwifiex_cfg80211_suspend,
4105 .resume = mwifiex_cfg80211_resume,
4106 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4107 .set_rekey_data = mwifiex_set_rekey_data,
4108 #endif
4109 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4110 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4111 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4112 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4113 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4114 .add_station = mwifiex_cfg80211_add_station,
4115 .change_station = mwifiex_cfg80211_change_station,
4116 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4117 .get_channel = mwifiex_cfg80211_get_channel,
4118 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4119 .channel_switch = mwifiex_cfg80211_channel_switch,
4120 };
4121
4122 #ifdef CONFIG_PM
4123 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4124 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4125 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4126 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4127 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4128 .pattern_min_len = 1,
4129 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4130 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4131 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4132 };
4133 #endif
4134
4135 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4136 {
4137 if (!alpha2 || strlen(alpha2) != 2)
4138 return false;
4139
4140 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4141 return true;
4142
4143 return false;
4144 }
4145
4146 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4147 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4148 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4149 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4150 .pattern_min_len = 1,
4151 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4152 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4153 };
4154
4155 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4156 {
4157 u32 n_channels_bg, n_channels_a = 0;
4158
4159 n_channels_bg = mwifiex_band_2ghz.n_channels;
4160
4161 if (adapter->config_bands & BAND_A)
4162 n_channels_a = mwifiex_band_5ghz.n_channels;
4163
4164 adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a);
4165 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) *
4166 adapter->num_in_chan_stats);
4167
4168 if (!adapter->chan_stats)
4169 return -ENOMEM;
4170
4171 return 0;
4172 }
4173
4174 /*
4175 * This function registers the device with CFG802.11 subsystem.
4176 *
4177 * The function creates the wireless device/wiphy, populates it with
4178 * default parameters and handler function pointers, and finally
4179 * registers the device.
4180 */
4181
4182 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4183 {
4184 int ret;
4185 void *wdev_priv;
4186 struct wiphy *wiphy;
4187 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4188 u8 *country_code;
4189 u32 thr, retry;
4190
4191 /* create a new wiphy for use with cfg80211 */
4192 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4193 sizeof(struct mwifiex_adapter *));
4194 if (!wiphy) {
4195 mwifiex_dbg(adapter, ERROR,
4196 "%s: creating new wiphy\n", __func__);
4197 return -ENOMEM;
4198 }
4199 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4200 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4201 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4202 wiphy->max_remain_on_channel_duration = 5000;
4203 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4204 BIT(NL80211_IFTYPE_ADHOC) |
4205 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4206 BIT(NL80211_IFTYPE_P2P_GO) |
4207 BIT(NL80211_IFTYPE_AP);
4208
4209 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
4210 if (adapter->config_bands & BAND_A)
4211 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
4212 else
4213 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4214
4215 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4216 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4217 else if (adapter->is_hw_11ac_capable)
4218 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4219 else
4220 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4221 wiphy->n_iface_combinations = 1;
4222
4223 /* Initialize cipher suits */
4224 wiphy->cipher_suites = mwifiex_cipher_suites;
4225 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4226
4227 if (adapter->regd) {
4228 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4229 REGULATORY_DISABLE_BEACON_HINTS |
4230 REGULATORY_COUNTRY_IE_IGNORE;
4231 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4232 }
4233
4234 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4235 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4236 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4237 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4238 WIPHY_FLAG_AP_UAPSD |
4239 WIPHY_FLAG_SUPPORTS_SCHED_SCAN |
4240 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4241 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4242 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4243
4244 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4245 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4246 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4247
4248 #ifdef CONFIG_PM
4249 wiphy->wowlan = &mwifiex_wowlan_support;
4250 #endif
4251
4252 wiphy->coalesce = &mwifiex_coalesce_support;
4253
4254 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4255 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4256 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4257
4258 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4259 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4260 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4261
4262 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4263 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4264
4265 wiphy->features |= NL80211_FEATURE_HT_IBSS |
4266 NL80211_FEATURE_INACTIVITY_TIMER |
4267 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4268 NL80211_FEATURE_NEED_OBSS_SCAN |
4269 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4270 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4271 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4272
4273 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4274 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4275
4276 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4277 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4278
4279 /* Reserve space for mwifiex specific private data for BSS */
4280 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4281
4282 wiphy->reg_notifier = mwifiex_reg_notifier;
4283
4284 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4285 wdev_priv = wiphy_priv(wiphy);
4286 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4287
4288 set_wiphy_dev(wiphy, priv->adapter->dev);
4289
4290 ret = wiphy_register(wiphy);
4291 if (ret < 0) {
4292 mwifiex_dbg(adapter, ERROR,
4293 "%s: wiphy_register failed: %d\n", __func__, ret);
4294 wiphy_free(wiphy);
4295 return ret;
4296 }
4297
4298 if (!adapter->regd) {
4299 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4300 mwifiex_dbg(adapter, INFO,
4301 "driver hint alpha2: %2.2s\n", reg_alpha2);
4302 regulatory_hint(wiphy, reg_alpha2);
4303 } else {
4304 if (adapter->region_code == 0x00) {
4305 mwifiex_dbg(adapter, WARN,
4306 "Ignore world regulatory domain\n");
4307 } else {
4308 wiphy->regulatory_flags |=
4309 REGULATORY_DISABLE_BEACON_HINTS |
4310 REGULATORY_COUNTRY_IE_IGNORE;
4311 country_code =
4312 mwifiex_11d_code_2_region(
4313 adapter->region_code);
4314 if (country_code &&
4315 regulatory_hint(wiphy, country_code))
4316 mwifiex_dbg(priv->adapter, ERROR,
4317 "regulatory_hint() failed\n");
4318 }
4319 }
4320 }
4321
4322 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4323 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4324 wiphy->frag_threshold = thr;
4325 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4326 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4327 wiphy->rts_threshold = thr;
4328 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4329 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4330 wiphy->retry_short = (u8) retry;
4331 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4332 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4333 wiphy->retry_long = (u8) retry;
4334
4335 adapter->wiphy = wiphy;
4336 return ret;
4337 }
Linux kernel - Deliverables
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