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[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / 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
23 static char *reg_alpha2;
24 module_param(reg_alpha2, charp, 0);
25
26 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
27 {
28 .max = 2, .types = BIT(NL80211_IFTYPE_STATION) |
29 BIT(NL80211_IFTYPE_P2P_GO) |
30 BIT(NL80211_IFTYPE_P2P_CLIENT),
31 },
32 {
33 .max = 1, .types = BIT(NL80211_IFTYPE_AP),
34 },
35 };
36
37 static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = {
38 .limits = mwifiex_ap_sta_limits,
39 .num_different_channels = 1,
40 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
41 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
42 .beacon_int_infra_match = true,
43 };
44
45 /*
46 * This function maps the nl802.11 channel type into driver channel type.
47 *
48 * The mapping is as follows -
49 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
50 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
51 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
52 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
53 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
54 */
55 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
56 {
57 switch (chan_type) {
58 case NL80211_CHAN_NO_HT:
59 case NL80211_CHAN_HT20:
60 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
61 case NL80211_CHAN_HT40PLUS:
62 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
63 case NL80211_CHAN_HT40MINUS:
64 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
65 default:
66 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
67 }
68 }
69
70 /*
71 * This function checks whether WEP is set.
72 */
73 static int
74 mwifiex_is_alg_wep(u32 cipher)
75 {
76 switch (cipher) {
77 case WLAN_CIPHER_SUITE_WEP40:
78 case WLAN_CIPHER_SUITE_WEP104:
79 return 1;
80 default:
81 break;
82 }
83
84 return 0;
85 }
86
87 /*
88 * This function retrieves the private structure from kernel wiphy structure.
89 */
90 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
91 {
92 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
93 }
94
95 /*
96 * CFG802.11 operation handler to delete a network key.
97 */
98 static int
99 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
100 u8 key_index, bool pairwise, const u8 *mac_addr)
101 {
102 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
103 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
104 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
105
106 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
107 wiphy_err(wiphy, "deleting the crypto keys\n");
108 return -EFAULT;
109 }
110
111 wiphy_dbg(wiphy, "info: crypto keys deleted\n");
112 return 0;
113 }
114
115 /*
116 * This function forms an skb for management frame.
117 */
118 static int
119 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
120 {
121 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
122 u16 pkt_len;
123 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
124
125 pkt_len = len + ETH_ALEN;
126
127 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
128 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
129 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
130
131 memcpy(skb_push(skb, sizeof(tx_control)),
132 &tx_control, sizeof(tx_control));
133
134 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
135
136 /* Add packet data and address4 */
137 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
138 sizeof(struct ieee80211_hdr_3addr));
139 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
140 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
141 buf + sizeof(struct ieee80211_hdr_3addr),
142 len - sizeof(struct ieee80211_hdr_3addr));
143
144 skb->priority = LOW_PRIO_TID;
145 __net_timestamp(skb);
146
147 return 0;
148 }
149
150 /*
151 * CFG802.11 operation handler to transmit a management frame.
152 */
153 static int
154 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
155 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
156 {
157 const u8 *buf = params->buf;
158 size_t len = params->len;
159 struct sk_buff *skb;
160 u16 pkt_len;
161 const struct ieee80211_mgmt *mgmt;
162 struct mwifiex_txinfo *tx_info;
163 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
164
165 if (!buf || !len) {
166 wiphy_err(wiphy, "invalid buffer and length\n");
167 return -EFAULT;
168 }
169
170 mgmt = (const struct ieee80211_mgmt *)buf;
171 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
172 ieee80211_is_probe_resp(mgmt->frame_control)) {
173 /* Since we support offload probe resp, we need to skip probe
174 * resp in AP or GO mode */
175 wiphy_dbg(wiphy,
176 "info: skip to send probe resp in AP or GO mode\n");
177 return 0;
178 }
179
180 pkt_len = len + ETH_ALEN;
181 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
182 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
183 pkt_len + sizeof(pkt_len));
184
185 if (!skb) {
186 wiphy_err(wiphy, "allocate skb failed for management frame\n");
187 return -ENOMEM;
188 }
189
190 tx_info = MWIFIEX_SKB_TXCB(skb);
191 memset(tx_info, 0, sizeof(*tx_info));
192 tx_info->bss_num = priv->bss_num;
193 tx_info->bss_type = priv->bss_type;
194 tx_info->pkt_len = pkt_len;
195
196 mwifiex_form_mgmt_frame(skb, buf, len);
197 *cookie = prandom_u32() | 1;
198
199 if (ieee80211_is_action(mgmt->frame_control))
200 skb = mwifiex_clone_skb_for_tx_status(priv,
201 skb,
202 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
203 else
204 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
205 GFP_ATOMIC);
206
207 mwifiex_queue_tx_pkt(priv, skb);
208
209 wiphy_dbg(wiphy, "info: management frame transmitted\n");
210 return 0;
211 }
212
213 /*
214 * CFG802.11 operation handler to register a mgmt frame.
215 */
216 static void
217 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
218 struct wireless_dev *wdev,
219 u16 frame_type, bool reg)
220 {
221 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
222 u32 mask;
223
224 if (reg)
225 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
226 else
227 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
228
229 if (mask != priv->mgmt_frame_mask) {
230 priv->mgmt_frame_mask = mask;
231 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
232 HostCmd_ACT_GEN_SET, 0,
233 &priv->mgmt_frame_mask, false);
234 wiphy_dbg(wiphy, "info: mgmt frame registered\n");
235 }
236 }
237
238 /*
239 * CFG802.11 operation handler to remain on channel.
240 */
241 static int
242 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
243 struct wireless_dev *wdev,
244 struct ieee80211_channel *chan,
245 unsigned int duration, u64 *cookie)
246 {
247 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
248 int ret;
249
250 if (!chan || !cookie) {
251 wiphy_err(wiphy, "Invalid parameter for ROC\n");
252 return -EINVAL;
253 }
254
255 if (priv->roc_cfg.cookie) {
256 wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llx\n",
257 priv->roc_cfg.cookie);
258 return -EBUSY;
259 }
260
261 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
262 duration);
263
264 if (!ret) {
265 *cookie = prandom_u32() | 1;
266 priv->roc_cfg.cookie = *cookie;
267 priv->roc_cfg.chan = *chan;
268
269 cfg80211_ready_on_channel(wdev, *cookie, chan,
270 duration, GFP_ATOMIC);
271
272 wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
273 }
274
275 return ret;
276 }
277
278 /*
279 * CFG802.11 operation handler to cancel remain on channel.
280 */
281 static int
282 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
283 struct wireless_dev *wdev, u64 cookie)
284 {
285 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
286 int ret;
287
288 if (cookie != priv->roc_cfg.cookie)
289 return -ENOENT;
290
291 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
292 &priv->roc_cfg.chan, 0);
293
294 if (!ret) {
295 cfg80211_remain_on_channel_expired(wdev, cookie,
296 &priv->roc_cfg.chan,
297 GFP_ATOMIC);
298
299 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
300
301 wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
302 }
303
304 return ret;
305 }
306
307 /*
308 * CFG802.11 operation handler to set Tx power.
309 */
310 static int
311 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
312 struct wireless_dev *wdev,
313 enum nl80211_tx_power_setting type,
314 int mbm)
315 {
316 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
317 struct mwifiex_private *priv;
318 struct mwifiex_power_cfg power_cfg;
319 int dbm = MBM_TO_DBM(mbm);
320
321 if (type == NL80211_TX_POWER_FIXED) {
322 power_cfg.is_power_auto = 0;
323 power_cfg.power_level = dbm;
324 } else {
325 power_cfg.is_power_auto = 1;
326 }
327
328 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
329
330 return mwifiex_set_tx_power(priv, &power_cfg);
331 }
332
333 /*
334 * CFG802.11 operation handler to set Power Save option.
335 *
336 * The timeout value, if provided, is currently ignored.
337 */
338 static int
339 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
340 struct net_device *dev,
341 bool enabled, int timeout)
342 {
343 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
344 u32 ps_mode;
345
346 if (timeout)
347 wiphy_dbg(wiphy,
348 "info: ignore timeout value for IEEE Power Save\n");
349
350 ps_mode = enabled;
351
352 return mwifiex_drv_set_power(priv, &ps_mode);
353 }
354
355 /*
356 * CFG802.11 operation handler to set the default network key.
357 */
358 static int
359 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
360 u8 key_index, bool unicast,
361 bool multicast)
362 {
363 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
364
365 /* Return if WEP key not configured */
366 if (!priv->sec_info.wep_enabled)
367 return 0;
368
369 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
370 priv->wep_key_curr_index = key_index;
371 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
372 NULL, 0)) {
373 wiphy_err(wiphy, "set default Tx key index\n");
374 return -EFAULT;
375 }
376
377 return 0;
378 }
379
380 /*
381 * CFG802.11 operation handler to add a network key.
382 */
383 static int
384 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
385 u8 key_index, bool pairwise, const u8 *mac_addr,
386 struct key_params *params)
387 {
388 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
389 struct mwifiex_wep_key *wep_key;
390 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
391 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
392
393 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
394 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
395 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
396 if (params->key && params->key_len) {
397 wep_key = &priv->wep_key[key_index];
398 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
399 memcpy(wep_key->key_material, params->key,
400 params->key_len);
401 wep_key->key_index = key_index;
402 wep_key->key_length = params->key_len;
403 priv->sec_info.wep_enabled = 1;
404 }
405 return 0;
406 }
407
408 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
409 key_index, peer_mac, 0)) {
410 wiphy_err(wiphy, "crypto keys added\n");
411 return -EFAULT;
412 }
413
414 return 0;
415 }
416
417 /*
418 * This function sends domain information to the firmware.
419 *
420 * The following information are passed to the firmware -
421 * - Country codes
422 * - Sub bands (first channel, number of channels, maximum Tx power)
423 */
424 static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
425 {
426 u8 no_of_triplet = 0;
427 struct ieee80211_country_ie_triplet *t;
428 u8 no_of_parsed_chan = 0;
429 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
430 u8 i, flag = 0;
431 enum ieee80211_band band;
432 struct ieee80211_supported_band *sband;
433 struct ieee80211_channel *ch;
434 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
435 struct mwifiex_private *priv;
436 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
437
438 /* Set country code */
439 domain_info->country_code[0] = adapter->country_code[0];
440 domain_info->country_code[1] = adapter->country_code[1];
441 domain_info->country_code[2] = ' ';
442
443 band = mwifiex_band_to_radio_type(adapter->config_bands);
444 if (!wiphy->bands[band]) {
445 wiphy_err(wiphy, "11D: setting domain info in FW\n");
446 return -1;
447 }
448
449 sband = wiphy->bands[band];
450
451 for (i = 0; i < sband->n_channels ; i++) {
452 ch = &sband->channels[i];
453 if (ch->flags & IEEE80211_CHAN_DISABLED)
454 continue;
455
456 if (!flag) {
457 flag = 1;
458 first_chan = (u32) ch->hw_value;
459 next_chan = first_chan;
460 max_pwr = ch->max_power;
461 no_of_parsed_chan = 1;
462 continue;
463 }
464
465 if (ch->hw_value == next_chan + 1 &&
466 ch->max_power == max_pwr) {
467 next_chan++;
468 no_of_parsed_chan++;
469 } else {
470 t = &domain_info->triplet[no_of_triplet];
471 t->chans.first_channel = first_chan;
472 t->chans.num_channels = no_of_parsed_chan;
473 t->chans.max_power = max_pwr;
474 no_of_triplet++;
475 first_chan = (u32) ch->hw_value;
476 next_chan = first_chan;
477 max_pwr = ch->max_power;
478 no_of_parsed_chan = 1;
479 }
480 }
481
482 if (flag) {
483 t = &domain_info->triplet[no_of_triplet];
484 t->chans.first_channel = first_chan;
485 t->chans.num_channels = no_of_parsed_chan;
486 t->chans.max_power = max_pwr;
487 no_of_triplet++;
488 }
489
490 domain_info->no_of_triplet = no_of_triplet;
491
492 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
493
494 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
495 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
496 wiphy_err(wiphy, "11D: setting domain info in FW\n");
497 return -1;
498 }
499
500 return 0;
501 }
502
503 /*
504 * CFG802.11 regulatory domain callback function.
505 *
506 * This function is called when the regulatory domain is changed due to the
507 * following reasons -
508 * - Set by driver
509 * - Set by system core
510 * - Set by user
511 * - Set bt Country IE
512 */
513 static void mwifiex_reg_notifier(struct wiphy *wiphy,
514 struct regulatory_request *request)
515 {
516 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
517 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
518 MWIFIEX_BSS_ROLE_ANY);
519
520 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
521 request->alpha2[0], request->alpha2[1]);
522
523 switch (request->initiator) {
524 case NL80211_REGDOM_SET_BY_DRIVER:
525 case NL80211_REGDOM_SET_BY_CORE:
526 case NL80211_REGDOM_SET_BY_USER:
527 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
528 break;
529 default:
530 wiphy_err(wiphy, "unknown regdom initiator: %d\n",
531 request->initiator);
532 return;
533 }
534
535 /* Don't send world or same regdom info to firmware */
536 if (strncmp(request->alpha2, "00", 2) &&
537 strncmp(request->alpha2, adapter->country_code,
538 sizeof(request->alpha2))) {
539 memcpy(adapter->country_code, request->alpha2,
540 sizeof(request->alpha2));
541 mwifiex_send_domain_info_cmd_fw(wiphy);
542 mwifiex_dnld_txpwr_table(priv);
543 }
544 }
545
546 /*
547 * This function sets the fragmentation threshold.
548 *
549 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
550 * and MWIFIEX_FRAG_MAX_VALUE.
551 */
552 static int
553 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
554 {
555 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
556 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
557 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
558
559 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
560 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
561 &frag_thr, true);
562 }
563
564 /*
565 * This function sets the RTS threshold.
566
567 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
568 * and MWIFIEX_RTS_MAX_VALUE.
569 */
570 static int
571 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
572 {
573 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
574 rts_thr = MWIFIEX_RTS_MAX_VALUE;
575
576 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
577 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
578 &rts_thr, true);
579 }
580
581 /*
582 * CFG802.11 operation handler to set wiphy parameters.
583 *
584 * This function can be used to set the RTS threshold and the
585 * Fragmentation threshold of the driver.
586 */
587 static int
588 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
589 {
590 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
591 struct mwifiex_private *priv;
592 struct mwifiex_uap_bss_param *bss_cfg;
593 int ret;
594
595 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
596
597 switch (priv->bss_role) {
598 case MWIFIEX_BSS_ROLE_UAP:
599 if (priv->bss_started) {
600 dev_err(adapter->dev,
601 "cannot change wiphy params when bss started");
602 return -EINVAL;
603 }
604
605 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
606 if (!bss_cfg)
607 return -ENOMEM;
608
609 mwifiex_set_sys_config_invalid_data(bss_cfg);
610
611 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
612 bss_cfg->rts_threshold = wiphy->rts_threshold;
613 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
614 bss_cfg->frag_threshold = wiphy->frag_threshold;
615 if (changed & WIPHY_PARAM_RETRY_LONG)
616 bss_cfg->retry_limit = wiphy->retry_long;
617
618 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
619 HostCmd_ACT_GEN_SET,
620 UAP_BSS_PARAMS_I, bss_cfg,
621 false);
622
623 kfree(bss_cfg);
624 if (ret) {
625 wiphy_err(wiphy, "Failed to set wiphy phy params\n");
626 return ret;
627 }
628 break;
629
630 case MWIFIEX_BSS_ROLE_STA:
631 if (priv->media_connected) {
632 dev_err(adapter->dev,
633 "cannot change wiphy params when connected");
634 return -EINVAL;
635 }
636 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
637 ret = mwifiex_set_rts(priv,
638 wiphy->rts_threshold);
639 if (ret)
640 return ret;
641 }
642 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
643 ret = mwifiex_set_frag(priv,
644 wiphy->frag_threshold);
645 if (ret)
646 return ret;
647 }
648 break;
649 }
650
651 return 0;
652 }
653
654 static int
655 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
656 {
657 u16 mode = P2P_MODE_DISABLE;
658
659 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
660 HostCmd_ACT_GEN_SET, 0, &mode, true))
661 return -1;
662
663 return 0;
664 }
665
666 /*
667 * This function initializes the functionalities for P2P client.
668 * The P2P client initialization sequence is:
669 * disable -> device -> client
670 */
671 static int
672 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
673 {
674 u16 mode;
675
676 if (mwifiex_cfg80211_deinit_p2p(priv))
677 return -1;
678
679 mode = P2P_MODE_DEVICE;
680 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
681 HostCmd_ACT_GEN_SET, 0, &mode, true))
682 return -1;
683
684 mode = P2P_MODE_CLIENT;
685 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
686 HostCmd_ACT_GEN_SET, 0, &mode, true))
687 return -1;
688
689 return 0;
690 }
691
692 /*
693 * This function initializes the functionalities for P2P GO.
694 * The P2P GO initialization sequence is:
695 * disable -> device -> GO
696 */
697 static int
698 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
699 {
700 u16 mode;
701
702 if (mwifiex_cfg80211_deinit_p2p(priv))
703 return -1;
704
705 mode = P2P_MODE_DEVICE;
706 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
707 HostCmd_ACT_GEN_SET, 0, &mode, true))
708 return -1;
709
710 mode = P2P_MODE_GO;
711 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
712 HostCmd_ACT_GEN_SET, 0, &mode, true))
713 return -1;
714
715 return 0;
716 }
717
718 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
719 {
720 priv->mgmt_frame_mask = 0;
721 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
722 HostCmd_ACT_GEN_SET, 0,
723 &priv->mgmt_frame_mask, false)) {
724 dev_warn(priv->adapter->dev,
725 "could not unregister mgmt frame rx\n");
726 return -1;
727 }
728
729 mwifiex_deauthenticate(priv, NULL);
730 mwifiex_free_priv(priv);
731 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
732 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
733 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
734
735 return 0;
736 }
737
738 static int
739 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
740 struct net_device *dev,
741 enum nl80211_iftype type)
742 {
743 mwifiex_init_priv(priv);
744
745 priv->bss_mode = type;
746 priv->wdev.iftype = type;
747
748 mwifiex_init_priv_params(priv, priv->netdev);
749 priv->bss_started = 0;
750
751 switch (type) {
752 case NL80211_IFTYPE_STATION:
753 case NL80211_IFTYPE_ADHOC:
754 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
755 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
756 break;
757 case NL80211_IFTYPE_P2P_CLIENT:
758 case NL80211_IFTYPE_P2P_GO:
759 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
760 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
761 break;
762 case NL80211_IFTYPE_AP:
763 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
764 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
765 break;
766 default:
767 dev_err(priv->adapter->dev,
768 "%s: changing to %d not supported\n",
769 dev->name, type);
770 return -EOPNOTSUPP;
771 }
772
773 return 0;
774 }
775
776 static int
777 mwifiex_change_vif_to_p2p(struct net_device *dev,
778 enum nl80211_iftype curr_iftype,
779 enum nl80211_iftype type, u32 *flags,
780 struct vif_params *params)
781 {
782 struct mwifiex_private *priv;
783 struct mwifiex_adapter *adapter;
784
785 priv = mwifiex_netdev_get_priv(dev);
786
787 if (!priv)
788 return -1;
789
790 adapter = priv->adapter;
791
792 if (adapter->curr_iface_comb.p2p_intf ==
793 adapter->iface_limit.p2p_intf) {
794 dev_err(adapter->dev,
795 "cannot create multiple P2P ifaces\n");
796 return -1;
797 }
798
799 dev_dbg(priv->adapter->dev, "%s: changing role to p2p\n", dev->name);
800
801 if (mwifiex_deinit_priv_params(priv))
802 return -1;
803 if (mwifiex_init_new_priv_params(priv, dev, type))
804 return -1;
805
806 switch (type) {
807 case NL80211_IFTYPE_P2P_CLIENT:
808 if (mwifiex_cfg80211_init_p2p_client(priv))
809 return -EFAULT;
810 break;
811 case NL80211_IFTYPE_P2P_GO:
812 if (mwifiex_cfg80211_init_p2p_go(priv))
813 return -EFAULT;
814 break;
815 default:
816 dev_err(priv->adapter->dev,
817 "%s: changing to %d not supported\n",
818 dev->name, type);
819 return -EOPNOTSUPP;
820 }
821
822 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
823 HostCmd_ACT_GEN_SET, 0, NULL, true))
824 return -1;
825
826 if (mwifiex_sta_init_cmd(priv, false, false))
827 return -1;
828
829 switch (curr_iftype) {
830 case NL80211_IFTYPE_STATION:
831 case NL80211_IFTYPE_ADHOC:
832 adapter->curr_iface_comb.sta_intf--;
833 break;
834 case NL80211_IFTYPE_AP:
835 adapter->curr_iface_comb.uap_intf--;
836 break;
837 default:
838 break;
839 }
840
841 adapter->curr_iface_comb.p2p_intf++;
842 dev->ieee80211_ptr->iftype = type;
843
844 return 0;
845 }
846
847 static int
848 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
849 enum nl80211_iftype curr_iftype,
850 enum nl80211_iftype type, u32 *flags,
851 struct vif_params *params)
852 {
853 struct mwifiex_private *priv;
854 struct mwifiex_adapter *adapter;
855
856 priv = mwifiex_netdev_get_priv(dev);
857
858 if (!priv)
859 return -1;
860
861 adapter = priv->adapter;
862
863 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
864 curr_iftype != NL80211_IFTYPE_P2P_GO) &&
865 (adapter->curr_iface_comb.sta_intf ==
866 adapter->iface_limit.sta_intf)) {
867 dev_err(adapter->dev,
868 "cannot create multiple station/adhoc ifaces\n");
869 return -1;
870 }
871
872 if (type == NL80211_IFTYPE_STATION)
873 dev_notice(adapter->dev,
874 "%s: changing role to station\n", dev->name);
875 else
876 dev_notice(adapter->dev,
877 "%s: changing role to adhoc\n", dev->name);
878
879 if (mwifiex_deinit_priv_params(priv))
880 return -1;
881 if (mwifiex_init_new_priv_params(priv, dev, type))
882 return -1;
883 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
884 HostCmd_ACT_GEN_SET, 0, NULL, true))
885 return -1;
886 if (mwifiex_sta_init_cmd(priv, false, false))
887 return -1;
888
889 switch (curr_iftype) {
890 case NL80211_IFTYPE_P2P_CLIENT:
891 case NL80211_IFTYPE_P2P_GO:
892 adapter->curr_iface_comb.p2p_intf--;
893 break;
894 case NL80211_IFTYPE_AP:
895 adapter->curr_iface_comb.uap_intf--;
896 break;
897 default:
898 break;
899 }
900
901 adapter->curr_iface_comb.sta_intf++;
902 dev->ieee80211_ptr->iftype = type;
903 return 0;
904 }
905
906 static int
907 mwifiex_change_vif_to_ap(struct net_device *dev,
908 enum nl80211_iftype curr_iftype,
909 enum nl80211_iftype type, u32 *flags,
910 struct vif_params *params)
911 {
912 struct mwifiex_private *priv;
913 struct mwifiex_adapter *adapter;
914
915 priv = mwifiex_netdev_get_priv(dev);
916
917 if (!priv)
918 return -1;
919
920 adapter = priv->adapter;
921
922 if (adapter->curr_iface_comb.uap_intf ==
923 adapter->iface_limit.uap_intf) {
924 dev_err(adapter->dev,
925 "cannot create multiple AP ifaces\n");
926 return -1;
927 }
928
929 dev_notice(adapter->dev, "%s: changing role to AP\n", dev->name);
930
931 if (mwifiex_deinit_priv_params(priv))
932 return -1;
933 if (mwifiex_init_new_priv_params(priv, dev, type))
934 return -1;
935 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
936 HostCmd_ACT_GEN_SET, 0, NULL, true))
937 return -1;
938 if (mwifiex_sta_init_cmd(priv, false, false))
939 return -1;
940
941 switch (curr_iftype) {
942 case NL80211_IFTYPE_P2P_CLIENT:
943 case NL80211_IFTYPE_P2P_GO:
944 adapter->curr_iface_comb.p2p_intf--;
945 break;
946 case NL80211_IFTYPE_STATION:
947 case NL80211_IFTYPE_ADHOC:
948 adapter->curr_iface_comb.sta_intf--;
949 break;
950 default:
951 break;
952 }
953
954 adapter->curr_iface_comb.uap_intf++;
955 dev->ieee80211_ptr->iftype = type;
956 return 0;
957 }
958 /*
959 * CFG802.11 operation handler to change interface type.
960 */
961 static int
962 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
963 struct net_device *dev,
964 enum nl80211_iftype type, u32 *flags,
965 struct vif_params *params)
966 {
967 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
968 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
969
970 switch (curr_iftype) {
971 case NL80211_IFTYPE_ADHOC:
972 switch (type) {
973 case NL80211_IFTYPE_STATION:
974 priv->bss_mode = type;
975 priv->sec_info.authentication_mode =
976 NL80211_AUTHTYPE_OPEN_SYSTEM;
977 dev->ieee80211_ptr->iftype = type;
978 mwifiex_deauthenticate(priv, NULL);
979 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
980 HostCmd_ACT_GEN_SET, 0, NULL,
981 true);
982 case NL80211_IFTYPE_P2P_CLIENT:
983 case NL80211_IFTYPE_P2P_GO:
984 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
985 type, flags, params);
986 case NL80211_IFTYPE_AP:
987 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
988 flags, params);
989 case NL80211_IFTYPE_UNSPECIFIED:
990 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
991 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
992 return 0;
993 default:
994 wiphy_err(wiphy, "%s: changing to %d not supported\n",
995 dev->name, type);
996 return -EOPNOTSUPP;
997 }
998 break;
999 case NL80211_IFTYPE_STATION:
1000 switch (type) {
1001 case NL80211_IFTYPE_ADHOC:
1002 priv->bss_mode = type;
1003 priv->sec_info.authentication_mode =
1004 NL80211_AUTHTYPE_OPEN_SYSTEM;
1005 dev->ieee80211_ptr->iftype = type;
1006 mwifiex_deauthenticate(priv, NULL);
1007 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1008 HostCmd_ACT_GEN_SET, 0, NULL,
1009 true);
1010 case NL80211_IFTYPE_P2P_CLIENT:
1011 case NL80211_IFTYPE_P2P_GO:
1012 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1013 type, flags, params);
1014 case NL80211_IFTYPE_AP:
1015 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1016 flags, params);
1017 case NL80211_IFTYPE_UNSPECIFIED:
1018 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
1019 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
1020 return 0;
1021 default:
1022 wiphy_err(wiphy, "%s: changing to %d not supported\n",
1023 dev->name, type);
1024 return -EOPNOTSUPP;
1025 }
1026 break;
1027 case NL80211_IFTYPE_AP:
1028 switch (type) {
1029 case NL80211_IFTYPE_ADHOC:
1030 case NL80211_IFTYPE_STATION:
1031 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1032 type, flags,
1033 params);
1034 break;
1035 case NL80211_IFTYPE_P2P_CLIENT:
1036 case NL80211_IFTYPE_P2P_GO:
1037 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1038 type, flags, params);
1039 case NL80211_IFTYPE_UNSPECIFIED:
1040 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
1041 case NL80211_IFTYPE_AP: /* This shouldn't happen */
1042 return 0;
1043 default:
1044 wiphy_err(wiphy, "%s: changing to %d not supported\n",
1045 dev->name, type);
1046 return -EOPNOTSUPP;
1047 }
1048 break;
1049 case NL80211_IFTYPE_P2P_CLIENT:
1050 case NL80211_IFTYPE_P2P_GO:
1051 switch (type) {
1052 case NL80211_IFTYPE_STATION:
1053 if (mwifiex_cfg80211_init_p2p_client(priv))
1054 return -EFAULT;
1055 dev->ieee80211_ptr->iftype = type;
1056 break;
1057 case NL80211_IFTYPE_ADHOC:
1058 if (mwifiex_cfg80211_deinit_p2p(priv))
1059 return -EFAULT;
1060 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1061 type, flags,
1062 params);
1063 break;
1064 case NL80211_IFTYPE_AP:
1065 if (mwifiex_cfg80211_deinit_p2p(priv))
1066 return -EFAULT;
1067 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1068 flags, params);
1069 case NL80211_IFTYPE_UNSPECIFIED:
1070 wiphy_warn(wiphy, "%s: kept type as P2P\n", dev->name);
1071 case NL80211_IFTYPE_P2P_CLIENT:
1072 case NL80211_IFTYPE_P2P_GO:
1073 return 0;
1074 default:
1075 wiphy_err(wiphy, "%s: changing to %d not supported\n",
1076 dev->name, type);
1077 return -EOPNOTSUPP;
1078 }
1079 break;
1080 default:
1081 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
1082 dev->name, dev->ieee80211_ptr->iftype);
1083 return -EOPNOTSUPP;
1084 }
1085
1086
1087 return 0;
1088 }
1089
1090 static void
1091 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
1092 struct rate_info *rate)
1093 {
1094 struct mwifiex_adapter *adapter = priv->adapter;
1095
1096 if (adapter->is_hw_11ac_capable) {
1097 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1098 if (tx_htinfo & BIT(0)) {
1099 /* HT */
1100 rate->mcs = priv->tx_rate;
1101 rate->flags |= RATE_INFO_FLAGS_MCS;
1102 }
1103 if (tx_htinfo & BIT(1)) {
1104 /* VHT */
1105 rate->mcs = priv->tx_rate & 0x0F;
1106 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1107 }
1108
1109 if (tx_htinfo & (BIT(1) | BIT(0))) {
1110 /* HT or VHT */
1111 switch (tx_htinfo & (BIT(3) | BIT(2))) {
1112 case 0:
1113 rate->bw = RATE_INFO_BW_20;
1114 break;
1115 case (BIT(2)):
1116 rate->bw = RATE_INFO_BW_40;
1117 break;
1118 case (BIT(3)):
1119 rate->bw = RATE_INFO_BW_80;
1120 break;
1121 case (BIT(3) | BIT(2)):
1122 rate->bw = RATE_INFO_BW_160;
1123 break;
1124 }
1125
1126 if (tx_htinfo & BIT(4))
1127 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1128
1129 if ((priv->tx_rate >> 4) == 1)
1130 rate->nss = 2;
1131 else
1132 rate->nss = 1;
1133 }
1134 } else {
1135 /*
1136 * Bit 0 in tx_htinfo indicates that current Tx rate
1137 * is 11n rate. Valid MCS index values for us are 0 to 15.
1138 */
1139 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
1140 rate->mcs = priv->tx_rate;
1141 rate->flags |= RATE_INFO_FLAGS_MCS;
1142 rate->bw = RATE_INFO_BW_20;
1143 if (tx_htinfo & BIT(1))
1144 rate->bw = RATE_INFO_BW_40;
1145 if (tx_htinfo & BIT(2))
1146 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1147 }
1148 }
1149 }
1150
1151 /*
1152 * This function dumps the station information on a buffer.
1153 *
1154 * The following information are shown -
1155 * - Total bytes transmitted
1156 * - Total bytes received
1157 * - Total packets transmitted
1158 * - Total packets received
1159 * - Signal quality level
1160 * - Transmission rate
1161 */
1162 static int
1163 mwifiex_dump_station_info(struct mwifiex_private *priv,
1164 struct station_info *sinfo)
1165 {
1166 u32 rate;
1167
1168 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) |
1169 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) |
1170 BIT(NL80211_STA_INFO_TX_BITRATE) |
1171 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG);
1172
1173 /* Get signal information from the firmware */
1174 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1175 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1176 dev_err(priv->adapter->dev, "failed to get signal information\n");
1177 return -EFAULT;
1178 }
1179
1180 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1181 dev_err(priv->adapter->dev, "getting data rate\n");
1182 return -EFAULT;
1183 }
1184
1185 /* Get DTIM period information from firmware */
1186 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1187 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1188 &priv->dtim_period, true);
1189
1190 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
1191
1192 sinfo->signal_avg = priv->bcn_rssi_avg;
1193 sinfo->rx_bytes = priv->stats.rx_bytes;
1194 sinfo->tx_bytes = priv->stats.tx_bytes;
1195 sinfo->rx_packets = priv->stats.rx_packets;
1196 sinfo->tx_packets = priv->stats.tx_packets;
1197 sinfo->signal = priv->bcn_rssi_avg;
1198 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1199 sinfo->txrate.legacy = rate * 5;
1200
1201 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1202 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1203 sinfo->bss_param.flags = 0;
1204 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1205 WLAN_CAPABILITY_SHORT_PREAMBLE)
1206 sinfo->bss_param.flags |=
1207 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1208 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1209 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1210 sinfo->bss_param.flags |=
1211 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1212 sinfo->bss_param.dtim_period = priv->dtim_period;
1213 sinfo->bss_param.beacon_interval =
1214 priv->curr_bss_params.bss_descriptor.beacon_period;
1215 }
1216
1217 return 0;
1218 }
1219
1220 /*
1221 * CFG802.11 operation handler to get station information.
1222 *
1223 * This function only works in connected mode, and dumps the
1224 * requested station information, if available.
1225 */
1226 static int
1227 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1228 const u8 *mac, struct station_info *sinfo)
1229 {
1230 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1231
1232 if (!priv->media_connected)
1233 return -ENOENT;
1234 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1235 return -ENOENT;
1236
1237 return mwifiex_dump_station_info(priv, sinfo);
1238 }
1239
1240 /*
1241 * CFG802.11 operation handler to dump station information.
1242 */
1243 static int
1244 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1245 int idx, u8 *mac, struct station_info *sinfo)
1246 {
1247 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1248
1249 if (!priv->media_connected || idx)
1250 return -ENOENT;
1251
1252 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
1253
1254 return mwifiex_dump_station_info(priv, sinfo);
1255 }
1256
1257 static int
1258 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1259 int idx, struct survey_info *survey)
1260 {
1261 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1262 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1263 enum ieee80211_band band;
1264
1265 dev_dbg(priv->adapter->dev, "dump_survey idx=%d\n", idx);
1266
1267 memset(survey, 0, sizeof(struct survey_info));
1268
1269 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1270 priv->media_connected && idx == 0) {
1271 u8 curr_bss_band = priv->curr_bss_params.band;
1272 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1273
1274 band = mwifiex_band_to_radio_type(curr_bss_band);
1275 survey->channel = ieee80211_get_channel(wiphy,
1276 ieee80211_channel_to_frequency(chan, band));
1277
1278 if (priv->bcn_nf_last) {
1279 survey->filled = SURVEY_INFO_NOISE_DBM;
1280 survey->noise = priv->bcn_nf_last;
1281 }
1282 return 0;
1283 }
1284
1285 if (idx >= priv->adapter->num_in_chan_stats)
1286 return -ENOENT;
1287
1288 if (!pchan_stats[idx].cca_scan_dur)
1289 return 0;
1290
1291 band = pchan_stats[idx].bandcfg;
1292 survey->channel = ieee80211_get_channel(wiphy,
1293 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1294 survey->filled = SURVEY_INFO_NOISE_DBM |
1295 SURVEY_INFO_TIME |
1296 SURVEY_INFO_TIME_BUSY;
1297 survey->noise = pchan_stats[idx].noise;
1298 survey->time = pchan_stats[idx].cca_scan_dur;
1299 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1300
1301 return 0;
1302 }
1303
1304 /* Supported rates to be advertised to the cfg80211 */
1305 static struct ieee80211_rate mwifiex_rates[] = {
1306 {.bitrate = 10, .hw_value = 2, },
1307 {.bitrate = 20, .hw_value = 4, },
1308 {.bitrate = 55, .hw_value = 11, },
1309 {.bitrate = 110, .hw_value = 22, },
1310 {.bitrate = 60, .hw_value = 12, },
1311 {.bitrate = 90, .hw_value = 18, },
1312 {.bitrate = 120, .hw_value = 24, },
1313 {.bitrate = 180, .hw_value = 36, },
1314 {.bitrate = 240, .hw_value = 48, },
1315 {.bitrate = 360, .hw_value = 72, },
1316 {.bitrate = 480, .hw_value = 96, },
1317 {.bitrate = 540, .hw_value = 108, },
1318 };
1319
1320 /* Channel definitions to be advertised to cfg80211 */
1321 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1322 {.center_freq = 2412, .hw_value = 1, },
1323 {.center_freq = 2417, .hw_value = 2, },
1324 {.center_freq = 2422, .hw_value = 3, },
1325 {.center_freq = 2427, .hw_value = 4, },
1326 {.center_freq = 2432, .hw_value = 5, },
1327 {.center_freq = 2437, .hw_value = 6, },
1328 {.center_freq = 2442, .hw_value = 7, },
1329 {.center_freq = 2447, .hw_value = 8, },
1330 {.center_freq = 2452, .hw_value = 9, },
1331 {.center_freq = 2457, .hw_value = 10, },
1332 {.center_freq = 2462, .hw_value = 11, },
1333 {.center_freq = 2467, .hw_value = 12, },
1334 {.center_freq = 2472, .hw_value = 13, },
1335 {.center_freq = 2484, .hw_value = 14, },
1336 };
1337
1338 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1339 .channels = mwifiex_channels_2ghz,
1340 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1341 .bitrates = mwifiex_rates,
1342 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1343 };
1344
1345 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1346 {.center_freq = 5040, .hw_value = 8, },
1347 {.center_freq = 5060, .hw_value = 12, },
1348 {.center_freq = 5080, .hw_value = 16, },
1349 {.center_freq = 5170, .hw_value = 34, },
1350 {.center_freq = 5190, .hw_value = 38, },
1351 {.center_freq = 5210, .hw_value = 42, },
1352 {.center_freq = 5230, .hw_value = 46, },
1353 {.center_freq = 5180, .hw_value = 36, },
1354 {.center_freq = 5200, .hw_value = 40, },
1355 {.center_freq = 5220, .hw_value = 44, },
1356 {.center_freq = 5240, .hw_value = 48, },
1357 {.center_freq = 5260, .hw_value = 52, },
1358 {.center_freq = 5280, .hw_value = 56, },
1359 {.center_freq = 5300, .hw_value = 60, },
1360 {.center_freq = 5320, .hw_value = 64, },
1361 {.center_freq = 5500, .hw_value = 100, },
1362 {.center_freq = 5520, .hw_value = 104, },
1363 {.center_freq = 5540, .hw_value = 108, },
1364 {.center_freq = 5560, .hw_value = 112, },
1365 {.center_freq = 5580, .hw_value = 116, },
1366 {.center_freq = 5600, .hw_value = 120, },
1367 {.center_freq = 5620, .hw_value = 124, },
1368 {.center_freq = 5640, .hw_value = 128, },
1369 {.center_freq = 5660, .hw_value = 132, },
1370 {.center_freq = 5680, .hw_value = 136, },
1371 {.center_freq = 5700, .hw_value = 140, },
1372 {.center_freq = 5745, .hw_value = 149, },
1373 {.center_freq = 5765, .hw_value = 153, },
1374 {.center_freq = 5785, .hw_value = 157, },
1375 {.center_freq = 5805, .hw_value = 161, },
1376 {.center_freq = 5825, .hw_value = 165, },
1377 };
1378
1379 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1380 .channels = mwifiex_channels_5ghz,
1381 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1382 .bitrates = mwifiex_rates + 4,
1383 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1384 };
1385
1386
1387 /* Supported crypto cipher suits to be advertised to cfg80211 */
1388 static const u32 mwifiex_cipher_suites[] = {
1389 WLAN_CIPHER_SUITE_WEP40,
1390 WLAN_CIPHER_SUITE_WEP104,
1391 WLAN_CIPHER_SUITE_TKIP,
1392 WLAN_CIPHER_SUITE_CCMP,
1393 WLAN_CIPHER_SUITE_AES_CMAC,
1394 };
1395
1396 /* Supported mgmt frame types to be advertised to cfg80211 */
1397 static const struct ieee80211_txrx_stypes
1398 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1399 [NL80211_IFTYPE_STATION] = {
1400 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1401 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1402 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1403 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1404 },
1405 [NL80211_IFTYPE_AP] = {
1406 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1407 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1408 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1409 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1410 },
1411 [NL80211_IFTYPE_P2P_CLIENT] = {
1412 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1413 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1414 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1415 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1416 },
1417 [NL80211_IFTYPE_P2P_GO] = {
1418 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1419 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1420 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1421 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1422 },
1423 };
1424
1425 /*
1426 * CFG802.11 operation handler for setting bit rates.
1427 *
1428 * Function configures data rates to firmware using bitrate mask
1429 * provided by cfg80211.
1430 */
1431 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1432 struct net_device *dev,
1433 const u8 *peer,
1434 const struct cfg80211_bitrate_mask *mask)
1435 {
1436 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1437 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1438 enum ieee80211_band band;
1439 struct mwifiex_adapter *adapter = priv->adapter;
1440
1441 if (!priv->media_connected) {
1442 dev_err(adapter->dev,
1443 "Can not set Tx data rate in disconnected state\n");
1444 return -EINVAL;
1445 }
1446
1447 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1448
1449 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1450
1451 /* Fill HR/DSSS rates. */
1452 if (band == IEEE80211_BAND_2GHZ)
1453 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1454
1455 /* Fill OFDM rates */
1456 if (band == IEEE80211_BAND_2GHZ)
1457 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1458 else
1459 bitmap_rates[1] = mask->control[band].legacy;
1460
1461 /* Fill HT MCS rates */
1462 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1463 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1464 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1465
1466 /* Fill VHT MCS rates */
1467 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1468 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1469 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1470 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1471 }
1472
1473 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1474 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1475 }
1476
1477 /*
1478 * CFG802.11 operation handler for connection quality monitoring.
1479 *
1480 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1481 * events to FW.
1482 */
1483 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1484 struct net_device *dev,
1485 s32 rssi_thold, u32 rssi_hyst)
1486 {
1487 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1488 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1489
1490 priv->cqm_rssi_thold = rssi_thold;
1491 priv->cqm_rssi_hyst = rssi_hyst;
1492
1493 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1494 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1495
1496 /* Subscribe/unsubscribe low and high rssi events */
1497 if (rssi_thold && rssi_hyst) {
1498 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1499 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1500 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1501 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1502 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1503 return mwifiex_send_cmd(priv,
1504 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1505 0, 0, &subsc_evt, true);
1506 } else {
1507 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1508 return mwifiex_send_cmd(priv,
1509 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1510 0, 0, &subsc_evt, true);
1511 }
1512
1513 return 0;
1514 }
1515
1516 /* cfg80211 operation handler for change_beacon.
1517 * Function retrieves and sets modified management IEs to FW.
1518 */
1519 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1520 struct net_device *dev,
1521 struct cfg80211_beacon_data *data)
1522 {
1523 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1524
1525 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1526 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
1527 return -EINVAL;
1528 }
1529
1530 if (!priv->bss_started) {
1531 wiphy_err(wiphy, "%s: bss not started\n", __func__);
1532 return -EINVAL;
1533 }
1534
1535 if (mwifiex_set_mgmt_ies(priv, data)) {
1536 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
1537 return -EFAULT;
1538 }
1539
1540 return 0;
1541 }
1542
1543 /* cfg80211 operation handler for del_station.
1544 * Function deauthenticates station which value is provided in mac parameter.
1545 * If mac is NULL/broadcast, all stations in associated station list are
1546 * deauthenticated. If bss is not started or there are no stations in
1547 * associated stations list, no action is taken.
1548 */
1549 static int
1550 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1551 struct station_del_parameters *params)
1552 {
1553 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1554 struct mwifiex_sta_node *sta_node;
1555 u8 deauth_mac[ETH_ALEN];
1556 unsigned long flags;
1557
1558 if (list_empty(&priv->sta_list) || !priv->bss_started)
1559 return 0;
1560
1561 if (!params->mac || is_broadcast_ether_addr(params->mac))
1562 return 0;
1563
1564 wiphy_dbg(wiphy, "%s: mac address %pM\n", __func__, params->mac);
1565
1566 memset(deauth_mac, 0, ETH_ALEN);
1567
1568 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1569 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1570 if (sta_node)
1571 ether_addr_copy(deauth_mac, params->mac);
1572 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1573
1574 if (is_valid_ether_addr(deauth_mac)) {
1575 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1576 HostCmd_ACT_GEN_SET, 0,
1577 deauth_mac, true))
1578 return -1;
1579 }
1580
1581 return 0;
1582 }
1583
1584 static int
1585 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1586 {
1587 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1588 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1589 MWIFIEX_BSS_ROLE_ANY);
1590 struct mwifiex_ds_ant_cfg ant_cfg;
1591
1592 if (!tx_ant || !rx_ant)
1593 return -EOPNOTSUPP;
1594
1595 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1596 /* Not a MIMO chip. User should provide specific antenna number
1597 * for Tx/Rx path or enable all antennas for diversity
1598 */
1599 if (tx_ant != rx_ant)
1600 return -EOPNOTSUPP;
1601
1602 if ((tx_ant & (tx_ant - 1)) &&
1603 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1604 return -EOPNOTSUPP;
1605
1606 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1607 (priv->adapter->number_of_antenna > 1)) {
1608 tx_ant = RF_ANTENNA_AUTO;
1609 rx_ant = RF_ANTENNA_AUTO;
1610 }
1611 } else {
1612 struct ieee80211_sta_ht_cap *ht_info;
1613 int rx_mcs_supp;
1614 enum ieee80211_band band;
1615
1616 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1617 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1618 if (adapter->is_hw_11ac_capable)
1619 adapter->usr_dot_11ac_mcs_support =
1620 MWIFIEX_11AC_MCS_MAP_1X1;
1621 } else {
1622 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1623 if (adapter->is_hw_11ac_capable)
1624 adapter->usr_dot_11ac_mcs_support =
1625 MWIFIEX_11AC_MCS_MAP_2X2;
1626 }
1627
1628 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1629 if (!adapter->wiphy->bands[band])
1630 continue;
1631
1632 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1633 rx_mcs_supp =
1634 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1635 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1636 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1637 }
1638 }
1639
1640 ant_cfg.tx_ant = tx_ant;
1641 ant_cfg.rx_ant = rx_ant;
1642
1643 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1644 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1645 }
1646
1647 /* cfg80211 operation handler for stop ap.
1648 * Function stops BSS running at uAP interface.
1649 */
1650 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1651 {
1652 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1653
1654 mwifiex_abort_cac(priv);
1655
1656 if (mwifiex_del_mgmt_ies(priv))
1657 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
1658
1659 priv->ap_11n_enabled = 0;
1660 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1661
1662 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1663 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1664 wiphy_err(wiphy, "Failed to stop the BSS\n");
1665 return -1;
1666 }
1667
1668 return 0;
1669 }
1670
1671 /* cfg80211 operation handler for start_ap.
1672 * Function sets beacon period, DTIM period, SSID and security into
1673 * AP config structure.
1674 * AP is configured with these settings and BSS is started.
1675 */
1676 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1677 struct net_device *dev,
1678 struct cfg80211_ap_settings *params)
1679 {
1680 struct mwifiex_uap_bss_param *bss_cfg;
1681 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1682
1683 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1684 return -1;
1685
1686 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1687 if (!bss_cfg)
1688 return -ENOMEM;
1689
1690 mwifiex_set_sys_config_invalid_data(bss_cfg);
1691
1692 if (params->beacon_interval)
1693 bss_cfg->beacon_period = params->beacon_interval;
1694 if (params->dtim_period)
1695 bss_cfg->dtim_period = params->dtim_period;
1696
1697 if (params->ssid && params->ssid_len) {
1698 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1699 bss_cfg->ssid.ssid_len = params->ssid_len;
1700 }
1701 if (params->inactivity_timeout > 0) {
1702 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1703 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1704 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1705 }
1706
1707 switch (params->hidden_ssid) {
1708 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1709 bss_cfg->bcast_ssid_ctl = 1;
1710 break;
1711 case NL80211_HIDDEN_SSID_ZERO_LEN:
1712 bss_cfg->bcast_ssid_ctl = 0;
1713 break;
1714 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1715 /* firmware doesn't support this type of hidden SSID */
1716 default:
1717 kfree(bss_cfg);
1718 return -EINVAL;
1719 }
1720
1721 mwifiex_uap_set_channel(bss_cfg, params->chandef);
1722 mwifiex_set_uap_rates(bss_cfg, params);
1723
1724 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1725 kfree(bss_cfg);
1726 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1727 return -1;
1728 }
1729
1730 mwifiex_set_ht_params(priv, bss_cfg, params);
1731
1732 if (priv->adapter->is_hw_11ac_capable) {
1733 mwifiex_set_vht_params(priv, bss_cfg, params);
1734 mwifiex_set_vht_width(priv, params->chandef.width,
1735 priv->ap_11ac_enabled);
1736 }
1737
1738 if (priv->ap_11ac_enabled)
1739 mwifiex_set_11ac_ba_params(priv);
1740 else
1741 mwifiex_set_ba_params(priv);
1742
1743 mwifiex_set_wmm_params(priv, bss_cfg, params);
1744
1745 if (mwifiex_is_11h_active(priv) &&
1746 !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
1747 priv->bss_mode)) {
1748 dev_dbg(priv->adapter->dev, "Disable 11h extensions in FW\n");
1749 if (mwifiex_11h_activate(priv, false)) {
1750 dev_err(priv->adapter->dev,
1751 "Failed to disable 11h extensions!!");
1752 return -1;
1753 }
1754 priv->state_11h.is_11h_active = true;
1755 }
1756
1757 if (mwifiex_config_start_uap(priv, bss_cfg)) {
1758 wiphy_err(wiphy, "Failed to start AP\n");
1759 kfree(bss_cfg);
1760 return -1;
1761 }
1762
1763 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
1764 return -1;
1765
1766 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
1767 kfree(bss_cfg);
1768 return 0;
1769 }
1770
1771 /*
1772 * CFG802.11 operation handler for disconnection request.
1773 *
1774 * This function does not work when there is already a disconnection
1775 * procedure going on.
1776 */
1777 static int
1778 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1779 u16 reason_code)
1780 {
1781 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1782
1783 if (mwifiex_deauthenticate(priv, NULL))
1784 return -EFAULT;
1785
1786 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1787 " reason code %d\n", priv->cfg_bssid, reason_code);
1788
1789 memset(priv->cfg_bssid, 0, ETH_ALEN);
1790 priv->hs2_enabled = false;
1791
1792 return 0;
1793 }
1794
1795 /*
1796 * This function informs the CFG802.11 subsystem of a new IBSS.
1797 *
1798 * The following information are sent to the CFG802.11 subsystem
1799 * to register the new IBSS. If we do not register the new IBSS,
1800 * a kernel panic will result.
1801 * - SSID
1802 * - SSID length
1803 * - BSSID
1804 * - Channel
1805 */
1806 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1807 {
1808 struct ieee80211_channel *chan;
1809 struct mwifiex_bss_info bss_info;
1810 struct cfg80211_bss *bss;
1811 int ie_len;
1812 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1813 enum ieee80211_band band;
1814
1815 if (mwifiex_get_bss_info(priv, &bss_info))
1816 return -1;
1817
1818 ie_buf[0] = WLAN_EID_SSID;
1819 ie_buf[1] = bss_info.ssid.ssid_len;
1820
1821 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
1822 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
1823 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1824
1825 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1826 chan = __ieee80211_get_channel(priv->wdev.wiphy,
1827 ieee80211_channel_to_frequency(bss_info.bss_chan,
1828 band));
1829
1830 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
1831 CFG80211_BSS_FTYPE_UNKNOWN,
1832 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1833 0, ie_buf, ie_len, 0, GFP_KERNEL);
1834 cfg80211_put_bss(priv->wdev.wiphy, bss);
1835 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1836
1837 return 0;
1838 }
1839
1840 /*
1841 * This function connects with a BSS.
1842 *
1843 * This function handles both Infra and Ad-Hoc modes. It also performs
1844 * validity checking on the provided parameters, disconnects from the
1845 * current BSS (if any), sets up the association/scan parameters,
1846 * including security settings, and performs specific SSID scan before
1847 * trying to connect.
1848 *
1849 * For Infra mode, the function returns failure if the specified SSID
1850 * is not found in scan table. However, for Ad-Hoc mode, it can create
1851 * the IBSS if it does not exist. On successful completion in either case,
1852 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1853 */
1854 static int
1855 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
1856 const u8 *ssid, const u8 *bssid, int mode,
1857 struct ieee80211_channel *channel,
1858 struct cfg80211_connect_params *sme, bool privacy)
1859 {
1860 struct cfg80211_ssid req_ssid;
1861 int ret, auth_type = 0;
1862 struct cfg80211_bss *bss = NULL;
1863 u8 is_scanning_required = 0;
1864
1865 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
1866
1867 req_ssid.ssid_len = ssid_len;
1868 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1869 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1870 return -EINVAL;
1871 }
1872
1873 memcpy(req_ssid.ssid, ssid, ssid_len);
1874 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1875 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1876 return -EINVAL;
1877 }
1878
1879 /* As this is new association, clear locally stored
1880 * keys and security related flags */
1881 priv->sec_info.wpa_enabled = false;
1882 priv->sec_info.wpa2_enabled = false;
1883 priv->wep_key_curr_index = 0;
1884 priv->sec_info.encryption_mode = 0;
1885 priv->sec_info.is_authtype_auto = 0;
1886 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
1887
1888 if (mode == NL80211_IFTYPE_ADHOC) {
1889 /* "privacy" is set only for ad-hoc mode */
1890 if (privacy) {
1891 /*
1892 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1893 * the firmware can find a matching network from the
1894 * scan. The cfg80211 does not give us the encryption
1895 * mode at this stage so just setting it to WEP here.
1896 */
1897 priv->sec_info.encryption_mode =
1898 WLAN_CIPHER_SUITE_WEP104;
1899 priv->sec_info.authentication_mode =
1900 NL80211_AUTHTYPE_OPEN_SYSTEM;
1901 }
1902
1903 goto done;
1904 }
1905
1906 /* Now handle infra mode. "sme" is valid for infra mode only */
1907 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
1908 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1909 priv->sec_info.is_authtype_auto = 1;
1910 } else {
1911 auth_type = sme->auth_type;
1912 }
1913
1914 if (sme->crypto.n_ciphers_pairwise) {
1915 priv->sec_info.encryption_mode =
1916 sme->crypto.ciphers_pairwise[0];
1917 priv->sec_info.authentication_mode = auth_type;
1918 }
1919
1920 if (sme->crypto.cipher_group) {
1921 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
1922 priv->sec_info.authentication_mode = auth_type;
1923 }
1924 if (sme->ie)
1925 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1926
1927 if (sme->key) {
1928 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
1929 dev_dbg(priv->adapter->dev,
1930 "info: setting wep encryption"
1931 " with key len %d\n", sme->key_len);
1932 priv->wep_key_curr_index = sme->key_idx;
1933 ret = mwifiex_set_encode(priv, NULL, sme->key,
1934 sme->key_len, sme->key_idx,
1935 NULL, 0);
1936 }
1937 }
1938 done:
1939 /*
1940 * Scan entries are valid for some time (15 sec). So we can save one
1941 * active scan time if we just try cfg80211_get_bss first. If it fails
1942 * then request scan and cfg80211_get_bss() again for final output.
1943 */
1944 while (1) {
1945 if (is_scanning_required) {
1946 /* Do specific SSID scanning */
1947 if (mwifiex_request_scan(priv, &req_ssid)) {
1948 dev_err(priv->adapter->dev, "scan error\n");
1949 return -EFAULT;
1950 }
1951 }
1952
1953 /* Find the BSS we want using available scan results */
1954 if (mode == NL80211_IFTYPE_ADHOC)
1955 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
1956 bssid, ssid, ssid_len,
1957 IEEE80211_BSS_TYPE_IBSS,
1958 IEEE80211_PRIVACY_ANY);
1959 else
1960 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
1961 bssid, ssid, ssid_len,
1962 IEEE80211_BSS_TYPE_ESS,
1963 IEEE80211_PRIVACY_ANY);
1964
1965 if (!bss) {
1966 if (is_scanning_required) {
1967 dev_warn(priv->adapter->dev,
1968 "assoc: requested bss not found in scan results\n");
1969 break;
1970 }
1971 is_scanning_required = 1;
1972 } else {
1973 dev_dbg(priv->adapter->dev,
1974 "info: trying to associate to '%s' bssid %pM\n",
1975 (char *) req_ssid.ssid, bss->bssid);
1976 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1977 break;
1978 }
1979 }
1980
1981 ret = mwifiex_bss_start(priv, bss, &req_ssid);
1982 if (ret)
1983 return ret;
1984
1985 if (mode == NL80211_IFTYPE_ADHOC) {
1986 /* Inform the BSS information to kernel, otherwise
1987 * kernel will give a panic after successful assoc */
1988 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1989 return -EFAULT;
1990 }
1991
1992 return ret;
1993 }
1994
1995 /*
1996 * CFG802.11 operation handler for association request.
1997 *
1998 * This function does not work when the current mode is set to Ad-Hoc, or
1999 * when there is already an association procedure going on. The given BSS
2000 * information is used to associate.
2001 */
2002 static int
2003 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2004 struct cfg80211_connect_params *sme)
2005 {
2006 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2007 struct mwifiex_adapter *adapter = priv->adapter;
2008 int ret;
2009
2010 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2011 wiphy_err(wiphy,
2012 "%s: reject infra assoc request in non-STA role\n",
2013 dev->name);
2014 return -EINVAL;
2015 }
2016
2017 if (priv->wdev.current_bss) {
2018 wiphy_warn(wiphy, "%s: already connected\n", dev->name);
2019 return -EALREADY;
2020 }
2021
2022 if (adapter->surprise_removed || adapter->is_cmd_timedout) {
2023 wiphy_err(wiphy,
2024 "%s: Ignore connection. Card removed or FW in bad state\n",
2025 dev->name);
2026 return -EFAULT;
2027 }
2028
2029 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
2030 (char *) sme->ssid, sme->bssid);
2031
2032 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2033 priv->bss_mode, sme->channel, sme, 0);
2034 if (!ret) {
2035 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
2036 NULL, 0, WLAN_STATUS_SUCCESS,
2037 GFP_KERNEL);
2038 dev_dbg(priv->adapter->dev,
2039 "info: associated to bssid %pM successfully\n",
2040 priv->cfg_bssid);
2041 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2042 priv->adapter->auto_tdls &&
2043 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2044 mwifiex_setup_auto_tdls_timer(priv);
2045 } else {
2046 dev_dbg(priv->adapter->dev,
2047 "info: association to bssid %pM failed\n",
2048 priv->cfg_bssid);
2049 memset(priv->cfg_bssid, 0, ETH_ALEN);
2050
2051 if (ret > 0)
2052 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2053 NULL, 0, NULL, 0, ret,
2054 GFP_KERNEL);
2055 else
2056 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2057 NULL, 0, NULL, 0,
2058 WLAN_STATUS_UNSPECIFIED_FAILURE,
2059 GFP_KERNEL);
2060 }
2061
2062 return 0;
2063 }
2064
2065 /*
2066 * This function sets following parameters for ibss network.
2067 * - channel
2068 * - start band
2069 * - 11n flag
2070 * - secondary channel offset
2071 */
2072 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2073 struct cfg80211_ibss_params *params)
2074 {
2075 struct wiphy *wiphy = priv->wdev.wiphy;
2076 struct mwifiex_adapter *adapter = priv->adapter;
2077 int index = 0, i;
2078 u8 config_bands = 0;
2079
2080 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
2081 if (!params->basic_rates) {
2082 config_bands = BAND_B | BAND_G;
2083 } else {
2084 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2085 /*
2086 * Rates below 6 Mbps in the table are CCK
2087 * rates; 802.11b and from 6 they are OFDM;
2088 * 802.11G
2089 */
2090 if (mwifiex_rates[i].bitrate == 60) {
2091 index = 1 << i;
2092 break;
2093 }
2094 }
2095
2096 if (params->basic_rates < index) {
2097 config_bands = BAND_B;
2098 } else {
2099 config_bands = BAND_G;
2100 if (params->basic_rates % index)
2101 config_bands |= BAND_B;
2102 }
2103 }
2104
2105 if (cfg80211_get_chandef_type(&params->chandef) !=
2106 NL80211_CHAN_NO_HT)
2107 config_bands |= BAND_G | BAND_GN;
2108 } else {
2109 if (cfg80211_get_chandef_type(&params->chandef) ==
2110 NL80211_CHAN_NO_HT)
2111 config_bands = BAND_A;
2112 else
2113 config_bands = BAND_AN | BAND_A;
2114 }
2115
2116 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2117 adapter->config_bands = config_bands;
2118 adapter->adhoc_start_band = config_bands;
2119
2120 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2121 adapter->adhoc_11n_enabled = true;
2122 else
2123 adapter->adhoc_11n_enabled = false;
2124 }
2125
2126 adapter->sec_chan_offset =
2127 mwifiex_chan_type_to_sec_chan_offset(
2128 cfg80211_get_chandef_type(&params->chandef));
2129 priv->adhoc_channel = ieee80211_frequency_to_channel(
2130 params->chandef.chan->center_freq);
2131
2132 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
2133 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
2134
2135 return 0;
2136 }
2137
2138 /*
2139 * CFG802.11 operation handler to join an IBSS.
2140 *
2141 * This function does not work in any mode other than Ad-Hoc, or if
2142 * a join operation is already in progress.
2143 */
2144 static int
2145 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2146 struct cfg80211_ibss_params *params)
2147 {
2148 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2149 int ret = 0;
2150
2151 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2152 wiphy_err(wiphy, "request to join ibss received "
2153 "when station is not in ibss mode\n");
2154 goto done;
2155 }
2156
2157 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
2158 (char *) params->ssid, params->bssid);
2159
2160 mwifiex_set_ibss_params(priv, params);
2161
2162 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2163 params->bssid, priv->bss_mode,
2164 params->chandef.chan, NULL,
2165 params->privacy);
2166 done:
2167 if (!ret) {
2168 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2169 params->chandef.chan, GFP_KERNEL);
2170 dev_dbg(priv->adapter->dev,
2171 "info: joined/created adhoc network with bssid"
2172 " %pM successfully\n", priv->cfg_bssid);
2173 } else {
2174 dev_dbg(priv->adapter->dev,
2175 "info: failed creating/joining adhoc network\n");
2176 }
2177
2178 return ret;
2179 }
2180
2181 /*
2182 * CFG802.11 operation handler to leave an IBSS.
2183 *
2184 * This function does not work if a leave operation is
2185 * already in progress.
2186 */
2187 static int
2188 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2189 {
2190 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2191
2192 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
2193 priv->cfg_bssid);
2194 if (mwifiex_deauthenticate(priv, NULL))
2195 return -EFAULT;
2196
2197 memset(priv->cfg_bssid, 0, ETH_ALEN);
2198
2199 return 0;
2200 }
2201
2202 /*
2203 * CFG802.11 operation handler for scan request.
2204 *
2205 * This function issues a scan request to the firmware based upon
2206 * the user specified scan configuration. On successfull completion,
2207 * it also informs the results.
2208 */
2209 static int
2210 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2211 struct cfg80211_scan_request *request)
2212 {
2213 struct net_device *dev = request->wdev->netdev;
2214 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2215 int i, offset, ret;
2216 struct ieee80211_channel *chan;
2217 struct ieee_types_header *ie;
2218 struct mwifiex_user_scan_cfg *user_scan_cfg;
2219
2220 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
2221
2222 /* Block scan request if scan operation or scan cleanup when interface
2223 * is disabled is in process
2224 */
2225 if (priv->scan_request || priv->scan_aborting) {
2226 dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
2227 return -EBUSY;
2228 }
2229
2230 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2231 if (!user_scan_cfg)
2232 return -ENOMEM;
2233
2234 priv->scan_request = request;
2235
2236 user_scan_cfg->num_ssids = request->n_ssids;
2237 user_scan_cfg->ssid_list = request->ssids;
2238
2239 if (request->ie && request->ie_len) {
2240 offset = 0;
2241 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2242 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2243 continue;
2244 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2245 ie = (struct ieee_types_header *)(request->ie + offset);
2246 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2247 offset += sizeof(*ie) + ie->len;
2248
2249 if (offset >= request->ie_len)
2250 break;
2251 }
2252 }
2253
2254 for (i = 0; i < min_t(u32, request->n_channels,
2255 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2256 chan = request->channels[i];
2257 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2258 user_scan_cfg->chan_list[i].radio_type = chan->band;
2259
2260 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2261 user_scan_cfg->chan_list[i].scan_type =
2262 MWIFIEX_SCAN_TYPE_PASSIVE;
2263 else
2264 user_scan_cfg->chan_list[i].scan_type =
2265 MWIFIEX_SCAN_TYPE_ACTIVE;
2266
2267 user_scan_cfg->chan_list[i].scan_time = 0;
2268 }
2269
2270 if (priv->adapter->scan_chan_gap_enabled &&
2271 mwifiex_is_any_intf_active(priv))
2272 user_scan_cfg->scan_chan_gap =
2273 priv->adapter->scan_chan_gap_time;
2274
2275 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2276 kfree(user_scan_cfg);
2277 if (ret) {
2278 dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
2279 priv->scan_aborting = false;
2280 priv->scan_request = NULL;
2281 return ret;
2282 }
2283
2284 if (request->ie && request->ie_len) {
2285 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2286 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2287 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2288 memset(&priv->vs_ie[i].ie, 0,
2289 MWIFIEX_MAX_VSIE_LEN);
2290 }
2291 }
2292 }
2293 return 0;
2294 }
2295
2296 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2297 struct mwifiex_private *priv)
2298 {
2299 struct mwifiex_adapter *adapter = priv->adapter;
2300
2301 vht_info->vht_supported = true;
2302
2303 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2304 /* Update MCS support for VHT */
2305 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2306 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2307 vht_info->vht_mcs.rx_highest = 0;
2308 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2309 adapter->hw_dot_11ac_mcs_support >> 16);
2310 vht_info->vht_mcs.tx_highest = 0;
2311 }
2312
2313 /*
2314 * This function sets up the CFG802.11 specific HT capability fields
2315 * with default values.
2316 *
2317 * The following default values are set -
2318 * - HT Supported = True
2319 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2320 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2321 * - HT Capabilities supported by firmware
2322 * - MCS information, Rx mask = 0xff
2323 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2324 */
2325 static void
2326 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2327 struct mwifiex_private *priv)
2328 {
2329 int rx_mcs_supp;
2330 struct ieee80211_mcs_info mcs_set;
2331 u8 *mcs = (u8 *)&mcs_set;
2332 struct mwifiex_adapter *adapter = priv->adapter;
2333
2334 ht_info->ht_supported = true;
2335 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2336 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2337
2338 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2339
2340 /* Fill HT capability information */
2341 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2342 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2343 else
2344 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2345
2346 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2347 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2348 else
2349 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2350
2351 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2352 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2353 else
2354 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2355
2356 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2357 ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2358 else
2359 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2360
2361 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2362 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2363 else
2364 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2365
2366 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2367 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2368 else
2369 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2370
2371 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2372 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2373 else
2374 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2375
2376 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2377 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2378 else
2379 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2380
2381 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2382 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2383
2384 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2385 /* Set MCS for 1x1/2x2 */
2386 memset(mcs, 0xff, rx_mcs_supp);
2387 /* Clear all the other values */
2388 memset(&mcs[rx_mcs_supp], 0,
2389 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2390 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2391 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2392 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2393 SETHT_MCS32(mcs_set.rx_mask);
2394
2395 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2396
2397 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2398 }
2399
2400 #define MWIFIEX_MAX_WQ_LEN 30
2401 /*
2402 * create a new virtual interface with the given name
2403 */
2404 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2405 const char *name,
2406 enum nl80211_iftype type,
2407 u32 *flags,
2408 struct vif_params *params)
2409 {
2410 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2411 struct mwifiex_private *priv;
2412 struct net_device *dev;
2413 void *mdev_priv;
2414 char dfs_cac_str[MWIFIEX_MAX_WQ_LEN], dfs_chsw_str[MWIFIEX_MAX_WQ_LEN];
2415
2416 if (!adapter)
2417 return ERR_PTR(-EFAULT);
2418
2419 switch (type) {
2420 case NL80211_IFTYPE_UNSPECIFIED:
2421 case NL80211_IFTYPE_STATION:
2422 case NL80211_IFTYPE_ADHOC:
2423 if (adapter->curr_iface_comb.sta_intf ==
2424 adapter->iface_limit.sta_intf) {
2425 wiphy_err(wiphy,
2426 "cannot create multiple sta/adhoc ifaces\n");
2427 return ERR_PTR(-EINVAL);
2428 }
2429
2430 priv = mwifiex_get_unused_priv(adapter);
2431 if (!priv) {
2432 wiphy_err(wiphy,
2433 "could not get free private struct\n");
2434 return ERR_PTR(-EFAULT);
2435 }
2436
2437 priv->wdev.wiphy = wiphy;
2438 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2439
2440 if (type == NL80211_IFTYPE_UNSPECIFIED)
2441 priv->bss_mode = NL80211_IFTYPE_STATION;
2442 else
2443 priv->bss_mode = type;
2444
2445 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2446 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2447 priv->bss_priority = 0;
2448 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2449 priv->bss_num = 0;
2450
2451 break;
2452 case NL80211_IFTYPE_AP:
2453 if (adapter->curr_iface_comb.uap_intf ==
2454 adapter->iface_limit.uap_intf) {
2455 wiphy_err(wiphy,
2456 "cannot create multiple AP ifaces\n");
2457 return ERR_PTR(-EINVAL);
2458 }
2459
2460 priv = mwifiex_get_unused_priv(adapter);
2461 if (!priv) {
2462 wiphy_err(wiphy,
2463 "could not get free private struct\n");
2464 return ERR_PTR(-EFAULT);
2465 }
2466
2467 priv->wdev.wiphy = wiphy;
2468 priv->wdev.iftype = NL80211_IFTYPE_AP;
2469
2470 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2471 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2472 priv->bss_priority = 0;
2473 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2474 priv->bss_started = 0;
2475 priv->bss_num = 0;
2476 priv->bss_mode = type;
2477
2478 break;
2479 case NL80211_IFTYPE_P2P_CLIENT:
2480 if (adapter->curr_iface_comb.p2p_intf ==
2481 adapter->iface_limit.p2p_intf) {
2482 wiphy_err(wiphy,
2483 "cannot create multiple P2P ifaces\n");
2484 return ERR_PTR(-EINVAL);
2485 }
2486
2487 priv = mwifiex_get_unused_priv(adapter);
2488 if (!priv) {
2489 wiphy_err(wiphy,
2490 "could not get free private struct\n");
2491 return ERR_PTR(-EFAULT);
2492 }
2493
2494 priv->wdev.wiphy = wiphy;
2495 /* At start-up, wpa_supplicant tries to change the interface
2496 * to NL80211_IFTYPE_STATION if it is not managed mode.
2497 */
2498 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2499 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2500
2501 /* Setting bss_type to P2P tells firmware that this interface
2502 * is receiving P2P peers found during find phase and doing
2503 * action frame handshake.
2504 */
2505 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2506
2507 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2508 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2509 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2510 priv->bss_started = 0;
2511 priv->bss_num = 0;
2512
2513 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2514 memset(&priv->wdev, 0, sizeof(priv->wdev));
2515 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2516 return ERR_PTR(-EFAULT);
2517 }
2518
2519 break;
2520 default:
2521 wiphy_err(wiphy, "type not supported\n");
2522 return ERR_PTR(-EINVAL);
2523 }
2524
2525 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2526 NET_NAME_UNKNOWN, ether_setup,
2527 IEEE80211_NUM_ACS, 1);
2528 if (!dev) {
2529 wiphy_err(wiphy, "no memory available for netdevice\n");
2530 memset(&priv->wdev, 0, sizeof(priv->wdev));
2531 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2532 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2533 return ERR_PTR(-ENOMEM);
2534 }
2535
2536 mwifiex_init_priv_params(priv, dev);
2537 priv->netdev = dev;
2538
2539 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
2540 if (adapter->is_hw_11ac_capable)
2541 mwifiex_setup_vht_caps(
2542 &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
2543
2544 if (adapter->config_bands & BAND_A)
2545 mwifiex_setup_ht_caps(
2546 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2547
2548 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2549 mwifiex_setup_vht_caps(
2550 &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);
2551
2552 dev_net_set(dev, wiphy_net(wiphy));
2553 dev->ieee80211_ptr = &priv->wdev;
2554 dev->ieee80211_ptr->iftype = priv->bss_mode;
2555 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
2556 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2557
2558 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2559 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2560 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2561 dev->ethtool_ops = &mwifiex_ethtool_ops;
2562
2563 mdev_priv = netdev_priv(dev);
2564 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2565
2566 SET_NETDEV_DEV(dev, adapter->dev);
2567
2568 /* Register network device */
2569 if (register_netdevice(dev)) {
2570 wiphy_err(wiphy, "cannot register virtual network device\n");
2571 free_netdev(dev);
2572 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2573 priv->netdev = NULL;
2574 memset(&priv->wdev, 0, sizeof(priv->wdev));
2575 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2576 return ERR_PTR(-EFAULT);
2577 }
2578
2579 strcpy(dfs_cac_str, "MWIFIEX_DFS_CAC");
2580 strcat(dfs_cac_str, name);
2581 priv->dfs_cac_workqueue = alloc_workqueue(dfs_cac_str,
2582 WQ_HIGHPRI |
2583 WQ_MEM_RECLAIM |
2584 WQ_UNBOUND, 1);
2585 if (!priv->dfs_cac_workqueue) {
2586 wiphy_err(wiphy, "cannot register virtual network device\n");
2587 free_netdev(dev);
2588 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2589 priv->netdev = NULL;
2590 memset(&priv->wdev, 0, sizeof(priv->wdev));
2591 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2592 return ERR_PTR(-ENOMEM);
2593 }
2594
2595 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
2596
2597 strcpy(dfs_chsw_str, "MWIFIEX_DFS_CHSW");
2598 strcat(dfs_chsw_str, name);
2599 priv->dfs_chan_sw_workqueue = alloc_workqueue(dfs_chsw_str,
2600 WQ_HIGHPRI | WQ_UNBOUND |
2601 WQ_MEM_RECLAIM, 1);
2602 if (!priv->dfs_chan_sw_workqueue) {
2603 wiphy_err(wiphy, "cannot register virtual network device\n");
2604 free_netdev(dev);
2605 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2606 priv->netdev = NULL;
2607 memset(&priv->wdev, 0, sizeof(priv->wdev));
2608 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2609 return ERR_PTR(-ENOMEM);
2610 }
2611
2612 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
2613 mwifiex_dfs_chan_sw_work_queue);
2614
2615 sema_init(&priv->async_sem, 1);
2616
2617 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
2618
2619 #ifdef CONFIG_DEBUG_FS
2620 mwifiex_dev_debugfs_init(priv);
2621 #endif
2622
2623 switch (type) {
2624 case NL80211_IFTYPE_UNSPECIFIED:
2625 case NL80211_IFTYPE_STATION:
2626 case NL80211_IFTYPE_ADHOC:
2627 adapter->curr_iface_comb.sta_intf++;
2628 break;
2629 case NL80211_IFTYPE_AP:
2630 adapter->curr_iface_comb.uap_intf++;
2631 break;
2632 case NL80211_IFTYPE_P2P_CLIENT:
2633 adapter->curr_iface_comb.p2p_intf++;
2634 break;
2635 default:
2636 wiphy_err(wiphy, "type not supported\n");
2637 return ERR_PTR(-EINVAL);
2638 }
2639
2640 return &priv->wdev;
2641 }
2642 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2643
2644 /*
2645 * del_virtual_intf: remove the virtual interface determined by dev
2646 */
2647 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
2648 {
2649 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
2650 struct mwifiex_adapter *adapter = priv->adapter;
2651
2652 #ifdef CONFIG_DEBUG_FS
2653 mwifiex_dev_debugfs_remove(priv);
2654 #endif
2655
2656 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
2657
2658 if (netif_carrier_ok(priv->netdev))
2659 netif_carrier_off(priv->netdev);
2660
2661 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2662 unregister_netdevice(wdev->netdev);
2663
2664 if (priv->dfs_cac_workqueue) {
2665 flush_workqueue(priv->dfs_cac_workqueue);
2666 destroy_workqueue(priv->dfs_cac_workqueue);
2667 priv->dfs_cac_workqueue = NULL;
2668 }
2669
2670 if (priv->dfs_chan_sw_workqueue) {
2671 flush_workqueue(priv->dfs_chan_sw_workqueue);
2672 destroy_workqueue(priv->dfs_chan_sw_workqueue);
2673 priv->dfs_chan_sw_workqueue = NULL;
2674 }
2675 /* Clear the priv in adapter */
2676 priv->netdev->ieee80211_ptr = NULL;
2677 priv->netdev = NULL;
2678 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2679
2680 priv->media_connected = false;
2681
2682 switch (priv->bss_mode) {
2683 case NL80211_IFTYPE_UNSPECIFIED:
2684 case NL80211_IFTYPE_STATION:
2685 case NL80211_IFTYPE_ADHOC:
2686 adapter->curr_iface_comb.sta_intf++;
2687 break;
2688 case NL80211_IFTYPE_AP:
2689 adapter->curr_iface_comb.uap_intf++;
2690 break;
2691 case NL80211_IFTYPE_P2P_CLIENT:
2692 case NL80211_IFTYPE_P2P_GO:
2693 adapter->curr_iface_comb.p2p_intf++;
2694 break;
2695 default:
2696 dev_err(adapter->dev, "del_virtual_intf: type not supported\n");
2697 break;
2698 }
2699
2700 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2701
2702 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
2703 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
2704 kfree(priv->hist_data);
2705
2706 return 0;
2707 }
2708 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2709
2710 static bool
2711 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
2712 u8 max_byte_seq)
2713 {
2714 int j, k, valid_byte_cnt = 0;
2715 bool dont_care_byte = false;
2716
2717 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
2718 for (k = 0; k < 8; k++) {
2719 if (pat->mask[j] & 1 << k) {
2720 memcpy(byte_seq + valid_byte_cnt,
2721 &pat->pattern[j * 8 + k], 1);
2722 valid_byte_cnt++;
2723 if (dont_care_byte)
2724 return false;
2725 } else {
2726 if (valid_byte_cnt)
2727 dont_care_byte = true;
2728 }
2729
2730 if (valid_byte_cnt > max_byte_seq)
2731 return false;
2732 }
2733 }
2734
2735 byte_seq[max_byte_seq] = valid_byte_cnt;
2736
2737 return true;
2738 }
2739
2740 #ifdef CONFIG_PM
2741 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
2742 struct cfg80211_wowlan *wowlan)
2743 {
2744 int i, filt_num = 0, ret = 0;
2745 bool first_pat = true;
2746 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
2747 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2748 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2749 struct mwifiex_ds_mef_cfg mef_cfg;
2750 struct mwifiex_mef_entry *mef_entry;
2751
2752 mef_entry = kzalloc(sizeof(*mef_entry), GFP_KERNEL);
2753 if (!mef_entry)
2754 return -ENOMEM;
2755
2756 memset(&mef_cfg, 0, sizeof(mef_cfg));
2757 mef_cfg.num_entries = 1;
2758 mef_cfg.mef_entry = mef_entry;
2759 mef_entry->mode = MEF_MODE_HOST_SLEEP;
2760 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
2761
2762 for (i = 0; i < wowlan->n_patterns; i++) {
2763 memset(byte_seq, 0, sizeof(byte_seq));
2764 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
2765 byte_seq,
2766 MWIFIEX_MEF_MAX_BYTESEQ)) {
2767 dev_err(priv->adapter->dev, "Pattern not supported\n");
2768 kfree(mef_entry);
2769 return -EOPNOTSUPP;
2770 }
2771
2772 if (!wowlan->patterns[i].pkt_offset) {
2773 if (!(byte_seq[0] & 0x01) &&
2774 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
2775 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2776 continue;
2777 } else if (is_broadcast_ether_addr(byte_seq)) {
2778 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST;
2779 continue;
2780 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
2781 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
2782 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
2783 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
2784 mef_cfg.criteria |= MWIFIEX_CRITERIA_MULTICAST;
2785 continue;
2786 }
2787 }
2788
2789 mef_entry->filter[filt_num].repeat = 1;
2790 mef_entry->filter[filt_num].offset =
2791 wowlan->patterns[i].pkt_offset;
2792 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
2793 sizeof(byte_seq));
2794 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2795
2796 if (first_pat)
2797 first_pat = false;
2798 else
2799 mef_entry->filter[filt_num].filt_action = TYPE_AND;
2800
2801 filt_num++;
2802 }
2803
2804 if (wowlan->magic_pkt) {
2805 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2806 mef_entry->filter[filt_num].repeat = 16;
2807 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
2808 ETH_ALEN);
2809 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
2810 ETH_ALEN;
2811 mef_entry->filter[filt_num].offset = 28;
2812 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2813 if (filt_num)
2814 mef_entry->filter[filt_num].filt_action = TYPE_OR;
2815
2816 filt_num++;
2817 mef_entry->filter[filt_num].repeat = 16;
2818 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
2819 ETH_ALEN);
2820 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
2821 ETH_ALEN;
2822 mef_entry->filter[filt_num].offset = 56;
2823 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2824 mef_entry->filter[filt_num].filt_action = TYPE_OR;
2825 }
2826
2827 if (!mef_cfg.criteria)
2828 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
2829 MWIFIEX_CRITERIA_UNICAST |
2830 MWIFIEX_CRITERIA_MULTICAST;
2831
2832 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
2833 HostCmd_ACT_GEN_SET, 0, &mef_cfg, true);
2834
2835 kfree(mef_entry);
2836 return ret;
2837 }
2838
2839 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
2840 struct cfg80211_wowlan *wowlan)
2841 {
2842 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2843 struct mwifiex_ds_hs_cfg hs_cfg;
2844 int ret = 0;
2845 struct mwifiex_private *priv =
2846 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2847
2848 if (!wowlan) {
2849 dev_warn(adapter->dev, "None of the WOWLAN triggers enabled\n");
2850 return 0;
2851 }
2852
2853 if (!priv->media_connected) {
2854 dev_warn(adapter->dev,
2855 "Can not configure WOWLAN in disconnected state\n");
2856 return 0;
2857 }
2858
2859 if (wowlan->n_patterns || wowlan->magic_pkt) {
2860 ret = mwifiex_set_mef_filter(priv, wowlan);
2861 if (ret) {
2862 dev_err(adapter->dev, "Failed to set MEF filter\n");
2863 return ret;
2864 }
2865 }
2866
2867 if (wowlan->disconnect) {
2868 memset(&hs_cfg, 0, sizeof(hs_cfg));
2869 hs_cfg.is_invoke_hostcmd = false;
2870 hs_cfg.conditions = HS_CFG_COND_MAC_EVENT;
2871 hs_cfg.gpio = HS_CFG_GPIO_DEF;
2872 hs_cfg.gap = HS_CFG_GAP_DEF;
2873 ret = mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
2874 MWIFIEX_SYNC_CMD, &hs_cfg);
2875 if (ret) {
2876 dev_err(adapter->dev, "Failed to set HS params\n");
2877 return ret;
2878 }
2879 }
2880
2881 return ret;
2882 }
2883
2884 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
2885 {
2886 return 0;
2887 }
2888
2889 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
2890 bool enabled)
2891 {
2892 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2893
2894 device_set_wakeup_enable(adapter->dev, enabled);
2895 }
2896 #endif
2897
2898 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
2899 {
2900 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2901 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2902 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
2903
2904 if ((byte_seq[0] & 0x01) &&
2905 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
2906 return PACKET_TYPE_UNICAST;
2907 else if (!memcmp(byte_seq, bc_mac, 4))
2908 return PACKET_TYPE_BROADCAST;
2909 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
2910 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
2911 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
2912 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
2913 return PACKET_TYPE_MULTICAST;
2914
2915 return 0;
2916 }
2917
2918 static int
2919 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
2920 struct cfg80211_coalesce_rules *crule,
2921 struct mwifiex_coalesce_rule *mrule)
2922 {
2923 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
2924 struct filt_field_param *param;
2925 int i;
2926
2927 mrule->max_coalescing_delay = crule->delay;
2928
2929 param = mrule->params;
2930
2931 for (i = 0; i < crule->n_patterns; i++) {
2932 memset(byte_seq, 0, sizeof(byte_seq));
2933 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
2934 byte_seq,
2935 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
2936 dev_err(priv->adapter->dev, "Pattern not supported\n");
2937 return -EOPNOTSUPP;
2938 }
2939
2940 if (!crule->patterns[i].pkt_offset) {
2941 u8 pkt_type;
2942
2943 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
2944 if (pkt_type && mrule->pkt_type) {
2945 dev_err(priv->adapter->dev,
2946 "Multiple packet types not allowed\n");
2947 return -EOPNOTSUPP;
2948 } else if (pkt_type) {
2949 mrule->pkt_type = pkt_type;
2950 continue;
2951 }
2952 }
2953
2954 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
2955 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
2956 else
2957 param->operation = RECV_FILTER_MATCH_TYPE_NE;
2958
2959 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
2960 memcpy(param->operand_byte_stream, byte_seq,
2961 param->operand_len);
2962 param->offset = crule->patterns[i].pkt_offset;
2963 param++;
2964
2965 mrule->num_of_fields++;
2966 }
2967
2968 if (!mrule->pkt_type) {
2969 dev_err(priv->adapter->dev,
2970 "Packet type can not be determined\n");
2971 return -EOPNOTSUPP;
2972 }
2973
2974 return 0;
2975 }
2976
2977 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
2978 struct cfg80211_coalesce *coalesce)
2979 {
2980 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2981 int i, ret;
2982 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
2983 struct mwifiex_private *priv =
2984 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2985
2986 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
2987 if (!coalesce) {
2988 dev_dbg(adapter->dev,
2989 "Disable coalesce and reset all previous rules\n");
2990 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
2991 HostCmd_ACT_GEN_SET, 0,
2992 &coalesce_cfg, true);
2993 }
2994
2995 coalesce_cfg.num_of_rules = coalesce->n_rules;
2996 for (i = 0; i < coalesce->n_rules; i++) {
2997 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
2998 &coalesce_cfg.rule[i]);
2999 if (ret) {
3000 dev_err(priv->adapter->dev,
3001 "Recheck the patterns provided for rule %d\n",
3002 i + 1);
3003 return ret;
3004 }
3005 }
3006
3007 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3008 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3009 }
3010
3011 /* cfg80211 ops handler for tdls_mgmt.
3012 * Function prepares TDLS action frame packets and forwards them to FW
3013 */
3014 static int
3015 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3016 const u8 *peer, u8 action_code, u8 dialog_token,
3017 u16 status_code, u32 peer_capability,
3018 bool initiator, const u8 *extra_ies,
3019 size_t extra_ies_len)
3020 {
3021 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3022 int ret;
3023
3024 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3025 return -ENOTSUPP;
3026
3027 /* make sure we are in station mode and connected */
3028 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3029 return -ENOTSUPP;
3030
3031 switch (action_code) {
3032 case WLAN_TDLS_SETUP_REQUEST:
3033 dev_dbg(priv->adapter->dev,
3034 "Send TDLS Setup Request to %pM status_code=%d\n", peer,
3035 status_code);
3036 mwifiex_add_auto_tdls_peer(priv, peer);
3037 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3038 dialog_token, status_code,
3039 extra_ies, extra_ies_len);
3040 break;
3041 case WLAN_TDLS_SETUP_RESPONSE:
3042 mwifiex_add_auto_tdls_peer(priv, peer);
3043 dev_dbg(priv->adapter->dev,
3044 "Send TDLS Setup Response to %pM status_code=%d\n",
3045 peer, status_code);
3046 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3047 dialog_token, status_code,
3048 extra_ies, extra_ies_len);
3049 break;
3050 case WLAN_TDLS_SETUP_CONFIRM:
3051 dev_dbg(priv->adapter->dev,
3052 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3053 status_code);
3054 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3055 dialog_token, status_code,
3056 extra_ies, extra_ies_len);
3057 break;
3058 case WLAN_TDLS_TEARDOWN:
3059 dev_dbg(priv->adapter->dev, "Send TDLS Tear down to %pM\n",
3060 peer);
3061 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3062 dialog_token, status_code,
3063 extra_ies, extra_ies_len);
3064 break;
3065 case WLAN_TDLS_DISCOVERY_REQUEST:
3066 dev_dbg(priv->adapter->dev,
3067 "Send TDLS Discovery Request to %pM\n", peer);
3068 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3069 dialog_token, status_code,
3070 extra_ies, extra_ies_len);
3071 break;
3072 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3073 dev_dbg(priv->adapter->dev,
3074 "Send TDLS Discovery Response to %pM\n", peer);
3075 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3076 dialog_token, status_code,
3077 extra_ies, extra_ies_len);
3078 break;
3079 default:
3080 dev_warn(priv->adapter->dev,
3081 "Unknown TDLS mgmt/action frame %pM\n", peer);
3082 ret = -EINVAL;
3083 break;
3084 }
3085
3086 return ret;
3087 }
3088
3089 static int
3090 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3091 const u8 *peer, enum nl80211_tdls_operation action)
3092 {
3093 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3094
3095 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3096 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3097 return -ENOTSUPP;
3098
3099 /* make sure we are in station mode and connected */
3100 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3101 return -ENOTSUPP;
3102
3103 dev_dbg(priv->adapter->dev,
3104 "TDLS peer=%pM, oper=%d\n", peer, action);
3105
3106 switch (action) {
3107 case NL80211_TDLS_ENABLE_LINK:
3108 action = MWIFIEX_TDLS_ENABLE_LINK;
3109 break;
3110 case NL80211_TDLS_DISABLE_LINK:
3111 action = MWIFIEX_TDLS_DISABLE_LINK;
3112 break;
3113 case NL80211_TDLS_TEARDOWN:
3114 /* shouldn't happen!*/
3115 dev_warn(priv->adapter->dev,
3116 "tdls_oper: teardown from driver not supported\n");
3117 return -EINVAL;
3118 case NL80211_TDLS_SETUP:
3119 /* shouldn't happen!*/
3120 dev_warn(priv->adapter->dev,
3121 "tdls_oper: setup from driver not supported\n");
3122 return -EINVAL;
3123 case NL80211_TDLS_DISCOVERY_REQ:
3124 /* shouldn't happen!*/
3125 dev_warn(priv->adapter->dev,
3126 "tdls_oper: discovery from driver not supported\n");
3127 return -EINVAL;
3128 default:
3129 dev_err(priv->adapter->dev,
3130 "tdls_oper: operation not supported\n");
3131 return -ENOTSUPP;
3132 }
3133
3134 return mwifiex_tdls_oper(priv, peer, action);
3135 }
3136
3137 static int
3138 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3139 const u8 *mac, struct station_parameters *params)
3140 {
3141 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3142
3143 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3144 return -ENOTSUPP;
3145
3146 /* make sure we are in station mode and connected */
3147 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3148 return -ENOTSUPP;
3149
3150 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3151 }
3152
3153 static int
3154 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3155 struct cfg80211_csa_settings *params)
3156 {
3157 struct ieee_types_header *chsw_ie;
3158 struct ieee80211_channel_sw_ie *channel_sw;
3159 int chsw_msec;
3160 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3161
3162 if (priv->adapter->scan_processing) {
3163 dev_err(priv->adapter->dev,
3164 "radar detection: scan in process...\n");
3165 return -EBUSY;
3166 }
3167
3168 if (priv->wdev.cac_started)
3169 return -EBUSY;
3170
3171 if (cfg80211_chandef_identical(&params->chandef,
3172 &priv->dfs_chandef))
3173 return -EINVAL;
3174
3175 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3176 params->beacon_csa.tail,
3177 params->beacon_csa.tail_len);
3178 if (!chsw_ie) {
3179 dev_err(priv->adapter->dev,
3180 "Could not parse channel switch announcement IE\n");
3181 return -EINVAL;
3182 }
3183
3184 channel_sw = (void *)(chsw_ie + 1);
3185 if (channel_sw->mode) {
3186 if (netif_carrier_ok(priv->netdev))
3187 netif_carrier_off(priv->netdev);
3188 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3189 }
3190
3191 if (mwifiex_del_mgmt_ies(priv))
3192 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
3193
3194 if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
3195 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
3196 return -EFAULT;
3197 }
3198
3199 memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
3200 memcpy(&priv->beacon_after, &params->beacon_after,
3201 sizeof(priv->beacon_after));
3202
3203 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
3204 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
3205 msecs_to_jiffies(chsw_msec));
3206 return 0;
3207 }
3208
3209 static int
3210 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
3211 struct net_device *dev,
3212 struct cfg80211_chan_def *chandef,
3213 u32 cac_time_ms)
3214 {
3215 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3216 struct mwifiex_radar_params radar_params;
3217
3218 if (priv->adapter->scan_processing) {
3219 dev_err(priv->adapter->dev,
3220 "radar detection: scan already in process...\n");
3221 return -EBUSY;
3222 }
3223
3224 if (!mwifiex_is_11h_active(priv)) {
3225 dev_dbg(priv->adapter->dev, "Enable 11h extensions in FW\n");
3226 if (mwifiex_11h_activate(priv, true)) {
3227 dev_err(priv->adapter->dev,
3228 "Failed to activate 11h extensions!!");
3229 return -1;
3230 }
3231 priv->state_11h.is_11h_active = true;
3232 }
3233
3234 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
3235 radar_params.chandef = chandef;
3236 radar_params.cac_time_ms = cac_time_ms;
3237
3238 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
3239
3240 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
3241 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
3242 return -1;
3243
3244 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
3245 msecs_to_jiffies(cac_time_ms));
3246 return 0;
3247 }
3248
3249 static int
3250 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
3251 const u8 *mac,
3252 struct station_parameters *params)
3253 {
3254 int ret;
3255 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3256
3257 /* we support change_station handler only for TDLS peers*/
3258 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3259 return -ENOTSUPP;
3260
3261 /* make sure we are in station mode and connected */
3262 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3263 return -ENOTSUPP;
3264
3265 priv->sta_params = params;
3266
3267 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
3268 priv->sta_params = NULL;
3269
3270 return ret;
3271 }
3272
3273 /* station cfg80211 operations */
3274 static struct cfg80211_ops mwifiex_cfg80211_ops = {
3275 .add_virtual_intf = mwifiex_add_virtual_intf,
3276 .del_virtual_intf = mwifiex_del_virtual_intf,
3277 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
3278 .scan = mwifiex_cfg80211_scan,
3279 .connect = mwifiex_cfg80211_connect,
3280 .disconnect = mwifiex_cfg80211_disconnect,
3281 .get_station = mwifiex_cfg80211_get_station,
3282 .dump_station = mwifiex_cfg80211_dump_station,
3283 .dump_survey = mwifiex_cfg80211_dump_survey,
3284 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
3285 .join_ibss = mwifiex_cfg80211_join_ibss,
3286 .leave_ibss = mwifiex_cfg80211_leave_ibss,
3287 .add_key = mwifiex_cfg80211_add_key,
3288 .del_key = mwifiex_cfg80211_del_key,
3289 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
3290 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
3291 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
3292 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
3293 .set_default_key = mwifiex_cfg80211_set_default_key,
3294 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
3295 .set_tx_power = mwifiex_cfg80211_set_tx_power,
3296 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
3297 .start_ap = mwifiex_cfg80211_start_ap,
3298 .stop_ap = mwifiex_cfg80211_stop_ap,
3299 .change_beacon = mwifiex_cfg80211_change_beacon,
3300 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
3301 .set_antenna = mwifiex_cfg80211_set_antenna,
3302 .del_station = mwifiex_cfg80211_del_station,
3303 #ifdef CONFIG_PM
3304 .suspend = mwifiex_cfg80211_suspend,
3305 .resume = mwifiex_cfg80211_resume,
3306 .set_wakeup = mwifiex_cfg80211_set_wakeup,
3307 #endif
3308 .set_coalesce = mwifiex_cfg80211_set_coalesce,
3309 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
3310 .tdls_oper = mwifiex_cfg80211_tdls_oper,
3311 .add_station = mwifiex_cfg80211_add_station,
3312 .change_station = mwifiex_cfg80211_change_station,
3313 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
3314 .channel_switch = mwifiex_cfg80211_channel_switch,
3315 };
3316
3317 #ifdef CONFIG_PM
3318 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
3319 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
3320 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
3321 .pattern_min_len = 1,
3322 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
3323 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
3324 };
3325 #endif
3326
3327 static bool mwifiex_is_valid_alpha2(const char *alpha2)
3328 {
3329 if (!alpha2 || strlen(alpha2) != 2)
3330 return false;
3331
3332 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
3333 return true;
3334
3335 return false;
3336 }
3337
3338 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
3339 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
3340 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
3341 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
3342 .pattern_min_len = 1,
3343 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
3344 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
3345 };
3346
3347 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
3348 {
3349 u32 n_channels_bg, n_channels_a = 0;
3350
3351 n_channels_bg = mwifiex_band_2ghz.n_channels;
3352
3353 if (adapter->config_bands & BAND_A)
3354 n_channels_a = mwifiex_band_5ghz.n_channels;
3355
3356 adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a);
3357 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) *
3358 adapter->num_in_chan_stats);
3359
3360 if (!adapter->chan_stats)
3361 return -ENOMEM;
3362
3363 return 0;
3364 }
3365
3366 /*
3367 * This function registers the device with CFG802.11 subsystem.
3368 *
3369 * The function creates the wireless device/wiphy, populates it with
3370 * default parameters and handler function pointers, and finally
3371 * registers the device.
3372 */
3373
3374 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
3375 {
3376 int ret;
3377 void *wdev_priv;
3378 struct wiphy *wiphy;
3379 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
3380 u8 *country_code;
3381 u32 thr, retry;
3382
3383 /* create a new wiphy for use with cfg80211 */
3384 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
3385 sizeof(struct mwifiex_adapter *));
3386 if (!wiphy) {
3387 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
3388 return -ENOMEM;
3389 }
3390 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
3391 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
3392 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
3393 wiphy->max_remain_on_channel_duration = 5000;
3394 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3395 BIT(NL80211_IFTYPE_ADHOC) |
3396 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3397 BIT(NL80211_IFTYPE_P2P_GO) |
3398 BIT(NL80211_IFTYPE_AP);
3399
3400 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
3401 if (adapter->config_bands & BAND_A)
3402 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
3403 else
3404 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
3405
3406 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
3407 wiphy->n_iface_combinations = 1;
3408
3409 /* Initialize cipher suits */
3410 wiphy->cipher_suites = mwifiex_cipher_suites;
3411 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
3412
3413 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
3414 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3415 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
3416 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
3417 WIPHY_FLAG_AP_UAPSD |
3418 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3419 WIPHY_FLAG_HAS_CHANNEL_SWITCH;
3420
3421 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
3422 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
3423 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
3424
3425 #ifdef CONFIG_PM
3426 wiphy->wowlan = &mwifiex_wowlan_support;
3427 #endif
3428
3429 wiphy->coalesce = &mwifiex_coalesce_support;
3430
3431 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3432 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3433 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3434
3435 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
3436 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
3437
3438 wiphy->features |= NL80211_FEATURE_HT_IBSS |
3439 NL80211_FEATURE_INACTIVITY_TIMER |
3440 NL80211_FEATURE_NEED_OBSS_SCAN;
3441
3442 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
3443 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
3444
3445 /* Reserve space for mwifiex specific private data for BSS */
3446 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
3447
3448 wiphy->reg_notifier = mwifiex_reg_notifier;
3449
3450 /* Set struct mwifiex_adapter pointer in wiphy_priv */
3451 wdev_priv = wiphy_priv(wiphy);
3452 *(unsigned long *)wdev_priv = (unsigned long)adapter;
3453
3454 set_wiphy_dev(wiphy, priv->adapter->dev);
3455
3456 ret = wiphy_register(wiphy);
3457 if (ret < 0) {
3458 dev_err(adapter->dev,
3459 "%s: wiphy_register failed: %d\n", __func__, ret);
3460 wiphy_free(wiphy);
3461 return ret;
3462 }
3463
3464 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
3465 wiphy_info(wiphy, "driver hint alpha2: %2.2s\n", reg_alpha2);
3466 regulatory_hint(wiphy, reg_alpha2);
3467 } else {
3468 country_code = mwifiex_11d_code_2_region(adapter->region_code);
3469 if (country_code)
3470 wiphy_info(wiphy, "ignoring F/W country code %2.2s\n",
3471 country_code);
3472 }
3473
3474 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
3475 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
3476 wiphy->frag_threshold = thr;
3477 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
3478 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
3479 wiphy->rts_threshold = thr;
3480 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
3481 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
3482 wiphy->retry_short = (u8) retry;
3483 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
3484 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
3485 wiphy->retry_long = (u8) retry;
3486
3487 adapter->wiphy = wiphy;
3488 return ret;
3489 }
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