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ARM: 7709/1: mcpm: Add explicit AFLAGS to support v6/v7 multiplatform kernels
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / mwifiex / cfg80211.c
1 /*
2 * Marvell Wireless LAN device driver: CFG80211
3 *
4 * Copyright (C) 2011, 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 const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
24 {
25 .max = 2, .types = BIT(NL80211_IFTYPE_STATION),
26 },
27 {
28 .max = 1, .types = BIT(NL80211_IFTYPE_AP),
29 },
30 };
31
32 static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = {
33 .limits = mwifiex_ap_sta_limits,
34 .num_different_channels = 1,
35 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
36 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
37 .beacon_int_infra_match = true,
38 };
39
40 static const struct ieee80211_regdomain mwifiex_world_regdom_custom = {
41 .n_reg_rules = 7,
42 .alpha2 = "99",
43 .reg_rules = {
44 /* Channel 1 - 11 */
45 REG_RULE(2412-10, 2462+10, 40, 3, 20, 0),
46 /* Channel 12 - 13 */
47 REG_RULE(2467-10, 2472+10, 20, 3, 20,
48 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
49 /* Channel 14 */
50 REG_RULE(2484-10, 2484+10, 20, 3, 20,
51 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
52 NL80211_RRF_NO_OFDM),
53 /* Channel 36 - 48 */
54 REG_RULE(5180-10, 5240+10, 40, 3, 20,
55 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
56 /* Channel 149 - 165 */
57 REG_RULE(5745-10, 5825+10, 40, 3, 20,
58 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
59 /* Channel 52 - 64 */
60 REG_RULE(5260-10, 5320+10, 40, 3, 30,
61 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
62 NL80211_RRF_DFS),
63 /* Channel 100 - 140 */
64 REG_RULE(5500-10, 5700+10, 40, 3, 30,
65 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
66 NL80211_RRF_DFS),
67 }
68 };
69
70 /*
71 * This function maps the nl802.11 channel type into driver channel type.
72 *
73 * The mapping is as follows -
74 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
75 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
76 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
77 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
78 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
79 */
80 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
81 {
82 switch (chan_type) {
83 case NL80211_CHAN_NO_HT:
84 case NL80211_CHAN_HT20:
85 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
86 case NL80211_CHAN_HT40PLUS:
87 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
88 case NL80211_CHAN_HT40MINUS:
89 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
90 default:
91 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
92 }
93 }
94
95 /*
96 * This function checks whether WEP is set.
97 */
98 static int
99 mwifiex_is_alg_wep(u32 cipher)
100 {
101 switch (cipher) {
102 case WLAN_CIPHER_SUITE_WEP40:
103 case WLAN_CIPHER_SUITE_WEP104:
104 return 1;
105 default:
106 break;
107 }
108
109 return 0;
110 }
111
112 /*
113 * This function retrieves the private structure from kernel wiphy structure.
114 */
115 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
116 {
117 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
118 }
119
120 /*
121 * CFG802.11 operation handler to delete a network key.
122 */
123 static int
124 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
125 u8 key_index, bool pairwise, const u8 *mac_addr)
126 {
127 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
128 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
129 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
130
131 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
132 wiphy_err(wiphy, "deleting the crypto keys\n");
133 return -EFAULT;
134 }
135
136 wiphy_dbg(wiphy, "info: crypto keys deleted\n");
137 return 0;
138 }
139
140 /*
141 * This function forms an skb for management frame.
142 */
143 static int
144 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
145 {
146 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
147 u16 pkt_len;
148 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
149 struct timeval tv;
150
151 pkt_len = len + ETH_ALEN;
152
153 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
154 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
155 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
156
157 memcpy(skb_push(skb, sizeof(tx_control)),
158 &tx_control, sizeof(tx_control));
159
160 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
161
162 /* Add packet data and address4 */
163 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
164 sizeof(struct ieee80211_hdr_3addr));
165 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
166 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
167 buf + sizeof(struct ieee80211_hdr_3addr),
168 len - sizeof(struct ieee80211_hdr_3addr));
169
170 skb->priority = LOW_PRIO_TID;
171 do_gettimeofday(&tv);
172 skb->tstamp = timeval_to_ktime(tv);
173
174 return 0;
175 }
176
177 /*
178 * CFG802.11 operation handler to transmit a management frame.
179 */
180 static int
181 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
182 struct ieee80211_channel *chan, bool offchan,
183 unsigned int wait, const u8 *buf, size_t len,
184 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
185 {
186 struct sk_buff *skb;
187 u16 pkt_len;
188 const struct ieee80211_mgmt *mgmt;
189 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
190
191 if (!buf || !len) {
192 wiphy_err(wiphy, "invalid buffer and length\n");
193 return -EFAULT;
194 }
195
196 mgmt = (const struct ieee80211_mgmt *)buf;
197 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
198 ieee80211_is_probe_resp(mgmt->frame_control)) {
199 /* Since we support offload probe resp, we need to skip probe
200 * resp in AP or GO mode */
201 wiphy_dbg(wiphy,
202 "info: skip to send probe resp in AP or GO mode\n");
203 return 0;
204 }
205
206 pkt_len = len + ETH_ALEN;
207 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
208 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
209 pkt_len + sizeof(pkt_len));
210
211 if (!skb) {
212 wiphy_err(wiphy, "allocate skb failed for management frame\n");
213 return -ENOMEM;
214 }
215
216 mwifiex_form_mgmt_frame(skb, buf, len);
217 mwifiex_queue_tx_pkt(priv, skb);
218
219 *cookie = random32() | 1;
220 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC);
221
222 wiphy_dbg(wiphy, "info: management frame transmitted\n");
223 return 0;
224 }
225
226 /*
227 * CFG802.11 operation handler to register a mgmt frame.
228 */
229 static void
230 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
231 struct wireless_dev *wdev,
232 u16 frame_type, bool reg)
233 {
234 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
235
236 if (reg)
237 priv->mgmt_frame_mask |= BIT(frame_type >> 4);
238 else
239 priv->mgmt_frame_mask &= ~BIT(frame_type >> 4);
240
241 mwifiex_send_cmd_async(priv, HostCmd_CMD_MGMT_FRAME_REG,
242 HostCmd_ACT_GEN_SET, 0, &priv->mgmt_frame_mask);
243
244 wiphy_dbg(wiphy, "info: mgmt frame registered\n");
245 }
246
247 /*
248 * CFG802.11 operation handler to remain on channel.
249 */
250 static int
251 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
252 struct wireless_dev *wdev,
253 struct ieee80211_channel *chan,
254 unsigned int duration, u64 *cookie)
255 {
256 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
257 int ret;
258
259 if (!chan || !cookie) {
260 wiphy_err(wiphy, "Invalid parameter for ROC\n");
261 return -EINVAL;
262 }
263
264 if (priv->roc_cfg.cookie) {
265 wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n",
266 priv->roc_cfg.cookie);
267 return -EBUSY;
268 }
269
270 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
271 duration);
272
273 if (!ret) {
274 *cookie = random32() | 1;
275 priv->roc_cfg.cookie = *cookie;
276 priv->roc_cfg.chan = *chan;
277
278 cfg80211_ready_on_channel(wdev, *cookie, chan,
279 duration, GFP_ATOMIC);
280
281 wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
282 }
283
284 return ret;
285 }
286
287 /*
288 * CFG802.11 operation handler to cancel remain on channel.
289 */
290 static int
291 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
292 struct wireless_dev *wdev, u64 cookie)
293 {
294 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
295 int ret;
296
297 if (cookie != priv->roc_cfg.cookie)
298 return -ENOENT;
299
300 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
301 &priv->roc_cfg.chan, 0);
302
303 if (!ret) {
304 cfg80211_remain_on_channel_expired(wdev, cookie,
305 &priv->roc_cfg.chan,
306 GFP_ATOMIC);
307
308 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
309
310 wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
311 }
312
313 return ret;
314 }
315
316 /*
317 * CFG802.11 operation handler to set Tx power.
318 */
319 static int
320 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
321 struct wireless_dev *wdev,
322 enum nl80211_tx_power_setting type,
323 int mbm)
324 {
325 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
326 struct mwifiex_private *priv;
327 struct mwifiex_power_cfg power_cfg;
328 int dbm = MBM_TO_DBM(mbm);
329
330 if (type == NL80211_TX_POWER_FIXED) {
331 power_cfg.is_power_auto = 0;
332 power_cfg.power_level = dbm;
333 } else {
334 power_cfg.is_power_auto = 1;
335 }
336
337 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
338
339 return mwifiex_set_tx_power(priv, &power_cfg);
340 }
341
342 /*
343 * CFG802.11 operation handler to set Power Save option.
344 *
345 * The timeout value, if provided, is currently ignored.
346 */
347 static int
348 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
349 struct net_device *dev,
350 bool enabled, int timeout)
351 {
352 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
353 u32 ps_mode;
354
355 if (timeout)
356 wiphy_dbg(wiphy,
357 "info: ignore timeout value for IEEE Power Save\n");
358
359 ps_mode = enabled;
360
361 return mwifiex_drv_set_power(priv, &ps_mode);
362 }
363
364 /*
365 * CFG802.11 operation handler to set the default network key.
366 */
367 static int
368 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
369 u8 key_index, bool unicast,
370 bool multicast)
371 {
372 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
373
374 /* Return if WEP key not configured */
375 if (!priv->sec_info.wep_enabled)
376 return 0;
377
378 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
379 priv->wep_key_curr_index = key_index;
380 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
381 NULL, 0)) {
382 wiphy_err(wiphy, "set default Tx key index\n");
383 return -EFAULT;
384 }
385
386 return 0;
387 }
388
389 /*
390 * CFG802.11 operation handler to add a network key.
391 */
392 static int
393 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
394 u8 key_index, bool pairwise, const u8 *mac_addr,
395 struct key_params *params)
396 {
397 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
398 struct mwifiex_wep_key *wep_key;
399 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
400 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
401
402 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
403 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
404 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
405 if (params->key && params->key_len) {
406 wep_key = &priv->wep_key[key_index];
407 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
408 memcpy(wep_key->key_material, params->key,
409 params->key_len);
410 wep_key->key_index = key_index;
411 wep_key->key_length = params->key_len;
412 priv->sec_info.wep_enabled = 1;
413 }
414 return 0;
415 }
416
417 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
418 key_index, peer_mac, 0)) {
419 wiphy_err(wiphy, "crypto keys added\n");
420 return -EFAULT;
421 }
422
423 return 0;
424 }
425
426 /*
427 * This function sends domain information to the firmware.
428 *
429 * The following information are passed to the firmware -
430 * - Country codes
431 * - Sub bands (first channel, number of channels, maximum Tx power)
432 */
433 static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
434 {
435 u8 no_of_triplet = 0;
436 struct ieee80211_country_ie_triplet *t;
437 u8 no_of_parsed_chan = 0;
438 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
439 u8 i, flag = 0;
440 enum ieee80211_band band;
441 struct ieee80211_supported_band *sband;
442 struct ieee80211_channel *ch;
443 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
444 struct mwifiex_private *priv;
445 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
446
447 /* Set country code */
448 domain_info->country_code[0] = adapter->country_code[0];
449 domain_info->country_code[1] = adapter->country_code[1];
450 domain_info->country_code[2] = ' ';
451
452 band = mwifiex_band_to_radio_type(adapter->config_bands);
453 if (!wiphy->bands[band]) {
454 wiphy_err(wiphy, "11D: setting domain info in FW\n");
455 return -1;
456 }
457
458 sband = wiphy->bands[band];
459
460 for (i = 0; i < sband->n_channels ; i++) {
461 ch = &sband->channels[i];
462 if (ch->flags & IEEE80211_CHAN_DISABLED)
463 continue;
464
465 if (!flag) {
466 flag = 1;
467 first_chan = (u32) ch->hw_value;
468 next_chan = first_chan;
469 max_pwr = ch->max_power;
470 no_of_parsed_chan = 1;
471 continue;
472 }
473
474 if (ch->hw_value == next_chan + 1 &&
475 ch->max_power == max_pwr) {
476 next_chan++;
477 no_of_parsed_chan++;
478 } else {
479 t = &domain_info->triplet[no_of_triplet];
480 t->chans.first_channel = first_chan;
481 t->chans.num_channels = no_of_parsed_chan;
482 t->chans.max_power = max_pwr;
483 no_of_triplet++;
484 first_chan = (u32) ch->hw_value;
485 next_chan = first_chan;
486 max_pwr = ch->max_power;
487 no_of_parsed_chan = 1;
488 }
489 }
490
491 if (flag) {
492 t = &domain_info->triplet[no_of_triplet];
493 t->chans.first_channel = first_chan;
494 t->chans.num_channels = no_of_parsed_chan;
495 t->chans.max_power = max_pwr;
496 no_of_triplet++;
497 }
498
499 domain_info->no_of_triplet = no_of_triplet;
500
501 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
502
503 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
504 HostCmd_ACT_GEN_SET, 0, NULL)) {
505 wiphy_err(wiphy, "11D: setting domain info in FW\n");
506 return -1;
507 }
508
509 return 0;
510 }
511
512 /*
513 * CFG802.11 regulatory domain callback function.
514 *
515 * This function is called when the regulatory domain is changed due to the
516 * following reasons -
517 * - Set by driver
518 * - Set by system core
519 * - Set by user
520 * - Set bt Country IE
521 */
522 static void mwifiex_reg_notifier(struct wiphy *wiphy,
523 struct regulatory_request *request)
524 {
525 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
526
527 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
528 request->alpha2[0], request->alpha2[1]);
529
530 memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2));
531
532 switch (request->initiator) {
533 case NL80211_REGDOM_SET_BY_DRIVER:
534 case NL80211_REGDOM_SET_BY_CORE:
535 case NL80211_REGDOM_SET_BY_USER:
536 break;
537 /* Todo: apply driver specific changes in channel flags based
538 on the request initiator if necessary. */
539 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
540 break;
541 }
542 mwifiex_send_domain_info_cmd_fw(wiphy);
543 }
544
545 /*
546 * This function sets the fragmentation threshold.
547 *
548 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
549 * and MWIFIEX_FRAG_MAX_VALUE.
550 */
551 static int
552 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
553 {
554 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
555 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
556 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
557
558 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
559 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
560 &frag_thr);
561 }
562
563 /*
564 * This function sets the RTS threshold.
565
566 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
567 * and MWIFIEX_RTS_MAX_VALUE.
568 */
569 static int
570 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
571 {
572 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
573 rts_thr = MWIFIEX_RTS_MAX_VALUE;
574
575 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
576 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
577 &rts_thr);
578 }
579
580 /*
581 * CFG802.11 operation handler to set wiphy parameters.
582 *
583 * This function can be used to set the RTS threshold and the
584 * Fragmentation threshold of the driver.
585 */
586 static int
587 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
588 {
589 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
590 struct mwifiex_private *priv;
591 struct mwifiex_uap_bss_param *bss_cfg;
592 int ret, bss_started, i;
593
594 for (i = 0; i < adapter->priv_num; i++) {
595 priv = adapter->priv[i];
596
597 switch (priv->bss_role) {
598 case MWIFIEX_BSS_ROLE_UAP:
599 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
600 GFP_KERNEL);
601 if (!bss_cfg)
602 return -ENOMEM;
603
604 mwifiex_set_sys_config_invalid_data(bss_cfg);
605
606 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
607 bss_cfg->rts_threshold = wiphy->rts_threshold;
608 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
609 bss_cfg->frag_threshold = wiphy->frag_threshold;
610 if (changed & WIPHY_PARAM_RETRY_LONG)
611 bss_cfg->retry_limit = wiphy->retry_long;
612
613 bss_started = priv->bss_started;
614
615 ret = mwifiex_send_cmd_sync(priv,
616 HostCmd_CMD_UAP_BSS_STOP,
617 HostCmd_ACT_GEN_SET, 0,
618 NULL);
619 if (ret) {
620 wiphy_err(wiphy, "Failed to stop the BSS\n");
621 kfree(bss_cfg);
622 return ret;
623 }
624
625 ret = mwifiex_send_cmd_async(priv,
626 HostCmd_CMD_UAP_SYS_CONFIG,
627 HostCmd_ACT_GEN_SET,
628 UAP_BSS_PARAMS_I, bss_cfg);
629
630 kfree(bss_cfg);
631
632 if (ret) {
633 wiphy_err(wiphy, "Failed to set bss config\n");
634 return ret;
635 }
636
637 if (!bss_started)
638 break;
639
640 ret = mwifiex_send_cmd_async(priv,
641 HostCmd_CMD_UAP_BSS_START,
642 HostCmd_ACT_GEN_SET, 0,
643 NULL);
644 if (ret) {
645 wiphy_err(wiphy, "Failed to start BSS\n");
646 return ret;
647 }
648
649 break;
650 case MWIFIEX_BSS_ROLE_STA:
651 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
652 ret = mwifiex_set_rts(priv,
653 wiphy->rts_threshold);
654 if (ret)
655 return ret;
656 }
657 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
658 ret = mwifiex_set_frag(priv,
659 wiphy->frag_threshold);
660 if (ret)
661 return ret;
662 }
663 break;
664 }
665 }
666
667 return 0;
668 }
669
670 static int
671 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
672 {
673 u16 mode = P2P_MODE_DISABLE;
674
675 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
676 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
677
678 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
679 HostCmd_ACT_GEN_SET, 0, &mode))
680 return -1;
681
682 return 0;
683 }
684
685 /*
686 * This function initializes the functionalities for P2P client.
687 * The P2P client initialization sequence is:
688 * disable -> device -> client
689 */
690 static int
691 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
692 {
693 u16 mode;
694
695 if (mwifiex_cfg80211_deinit_p2p(priv))
696 return -1;
697
698 mode = P2P_MODE_DEVICE;
699 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
700 HostCmd_ACT_GEN_SET, 0, &mode))
701 return -1;
702
703 mode = P2P_MODE_CLIENT;
704 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
705 HostCmd_ACT_GEN_SET, 0, &mode))
706 return -1;
707
708 return 0;
709 }
710
711 /*
712 * This function initializes the functionalities for P2P GO.
713 * The P2P GO initialization sequence is:
714 * disable -> device -> GO
715 */
716 static int
717 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
718 {
719 u16 mode;
720
721 if (mwifiex_cfg80211_deinit_p2p(priv))
722 return -1;
723
724 mode = P2P_MODE_DEVICE;
725 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
726 HostCmd_ACT_GEN_SET, 0, &mode))
727 return -1;
728
729 mode = P2P_MODE_GO;
730 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
731 HostCmd_ACT_GEN_SET, 0, &mode))
732 return -1;
733
734 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
735 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
736
737 return 0;
738 }
739
740 /*
741 * CFG802.11 operation handler to change interface type.
742 */
743 static int
744 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
745 struct net_device *dev,
746 enum nl80211_iftype type, u32 *flags,
747 struct vif_params *params)
748 {
749 int ret;
750 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
751
752 switch (dev->ieee80211_ptr->iftype) {
753 case NL80211_IFTYPE_ADHOC:
754 switch (type) {
755 case NL80211_IFTYPE_STATION:
756 break;
757 case NL80211_IFTYPE_UNSPECIFIED:
758 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
759 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
760 return 0;
761 case NL80211_IFTYPE_AP:
762 default:
763 wiphy_err(wiphy, "%s: changing to %d not supported\n",
764 dev->name, type);
765 return -EOPNOTSUPP;
766 }
767 break;
768 case NL80211_IFTYPE_STATION:
769 switch (type) {
770 case NL80211_IFTYPE_ADHOC:
771 break;
772 case NL80211_IFTYPE_P2P_CLIENT:
773 if (mwifiex_cfg80211_init_p2p_client(priv))
774 return -EFAULT;
775 dev->ieee80211_ptr->iftype = type;
776 return 0;
777 case NL80211_IFTYPE_P2P_GO:
778 if (mwifiex_cfg80211_init_p2p_go(priv))
779 return -EFAULT;
780 dev->ieee80211_ptr->iftype = type;
781 return 0;
782 case NL80211_IFTYPE_UNSPECIFIED:
783 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
784 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
785 return 0;
786 case NL80211_IFTYPE_AP:
787 default:
788 wiphy_err(wiphy, "%s: changing to %d not supported\n",
789 dev->name, type);
790 return -EOPNOTSUPP;
791 }
792 break;
793 case NL80211_IFTYPE_AP:
794 switch (type) {
795 case NL80211_IFTYPE_UNSPECIFIED:
796 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
797 case NL80211_IFTYPE_AP: /* This shouldn't happen */
798 return 0;
799 case NL80211_IFTYPE_ADHOC:
800 case NL80211_IFTYPE_STATION:
801 default:
802 wiphy_err(wiphy, "%s: changing to %d not supported\n",
803 dev->name, type);
804 return -EOPNOTSUPP;
805 }
806 break;
807 case NL80211_IFTYPE_P2P_CLIENT:
808 case NL80211_IFTYPE_P2P_GO:
809 switch (type) {
810 case NL80211_IFTYPE_STATION:
811 if (mwifiex_cfg80211_deinit_p2p(priv))
812 return -EFAULT;
813 dev->ieee80211_ptr->iftype = type;
814 return 0;
815 default:
816 return -EOPNOTSUPP;
817 }
818 break;
819 default:
820 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
821 dev->name, dev->ieee80211_ptr->iftype);
822 return -EOPNOTSUPP;
823 }
824
825 dev->ieee80211_ptr->iftype = type;
826 priv->bss_mode = type;
827 mwifiex_deauthenticate(priv, NULL);
828
829 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
830
831 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
832 HostCmd_ACT_GEN_SET, 0, NULL);
833
834 return ret;
835 }
836
837 static void
838 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
839 struct rate_info *rate)
840 {
841 struct mwifiex_adapter *adapter = priv->adapter;
842
843 if (adapter->is_hw_11ac_capable) {
844 /* bit[1-0]: 00=LG 01=HT 10=VHT */
845 if (tx_htinfo & BIT(0)) {
846 /* HT */
847 rate->mcs = priv->tx_rate;
848 rate->flags |= RATE_INFO_FLAGS_MCS;
849 }
850 if (tx_htinfo & BIT(1)) {
851 /* VHT */
852 rate->mcs = priv->tx_rate & 0x0F;
853 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
854 }
855
856 if (tx_htinfo & (BIT(1) | BIT(0))) {
857 /* HT or VHT */
858 switch (tx_htinfo & (BIT(3) | BIT(2))) {
859 case 0:
860 /* This will be 20MHz */
861 break;
862 case (BIT(2)):
863 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
864 break;
865 case (BIT(3)):
866 rate->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
867 break;
868 case (BIT(3) | BIT(2)):
869 rate->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
870 break;
871 }
872
873 if (tx_htinfo & BIT(4))
874 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
875
876 if ((priv->tx_rate >> 4) == 1)
877 rate->nss = 2;
878 else
879 rate->nss = 1;
880 }
881 } else {
882 /*
883 * Bit 0 in tx_htinfo indicates that current Tx rate
884 * is 11n rate. Valid MCS index values for us are 0 to 15.
885 */
886 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
887 rate->mcs = priv->tx_rate;
888 rate->flags |= RATE_INFO_FLAGS_MCS;
889 if (tx_htinfo & BIT(1))
890 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
891 if (tx_htinfo & BIT(2))
892 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
893 }
894 }
895 }
896
897 /*
898 * This function dumps the station information on a buffer.
899 *
900 * The following information are shown -
901 * - Total bytes transmitted
902 * - Total bytes received
903 * - Total packets transmitted
904 * - Total packets received
905 * - Signal quality level
906 * - Transmission rate
907 */
908 static int
909 mwifiex_dump_station_info(struct mwifiex_private *priv,
910 struct station_info *sinfo)
911 {
912 u32 rate;
913
914 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
915 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
916 STATION_INFO_TX_BITRATE |
917 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
918
919 /* Get signal information from the firmware */
920 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
921 HostCmd_ACT_GEN_GET, 0, NULL)) {
922 dev_err(priv->adapter->dev, "failed to get signal information\n");
923 return -EFAULT;
924 }
925
926 if (mwifiex_drv_get_data_rate(priv, &rate)) {
927 dev_err(priv->adapter->dev, "getting data rate\n");
928 return -EFAULT;
929 }
930
931 /* Get DTIM period information from firmware */
932 mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
933 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
934 &priv->dtim_period);
935
936 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
937
938 sinfo->signal_avg = priv->bcn_rssi_avg;
939 sinfo->rx_bytes = priv->stats.rx_bytes;
940 sinfo->tx_bytes = priv->stats.tx_bytes;
941 sinfo->rx_packets = priv->stats.rx_packets;
942 sinfo->tx_packets = priv->stats.tx_packets;
943 sinfo->signal = priv->bcn_rssi_avg;
944 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
945 sinfo->txrate.legacy = rate * 5;
946
947 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
948 sinfo->filled |= STATION_INFO_BSS_PARAM;
949 sinfo->bss_param.flags = 0;
950 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
951 WLAN_CAPABILITY_SHORT_PREAMBLE)
952 sinfo->bss_param.flags |=
953 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
954 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
955 WLAN_CAPABILITY_SHORT_SLOT_TIME)
956 sinfo->bss_param.flags |=
957 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
958 sinfo->bss_param.dtim_period = priv->dtim_period;
959 sinfo->bss_param.beacon_interval =
960 priv->curr_bss_params.bss_descriptor.beacon_period;
961 }
962
963 return 0;
964 }
965
966 /*
967 * CFG802.11 operation handler to get station information.
968 *
969 * This function only works in connected mode, and dumps the
970 * requested station information, if available.
971 */
972 static int
973 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
974 u8 *mac, struct station_info *sinfo)
975 {
976 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
977
978 if (!priv->media_connected)
979 return -ENOENT;
980 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
981 return -ENOENT;
982
983 return mwifiex_dump_station_info(priv, sinfo);
984 }
985
986 /*
987 * CFG802.11 operation handler to dump station information.
988 */
989 static int
990 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
991 int idx, u8 *mac, struct station_info *sinfo)
992 {
993 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
994
995 if (!priv->media_connected || idx)
996 return -ENOENT;
997
998 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
999
1000 return mwifiex_dump_station_info(priv, sinfo);
1001 }
1002
1003 /* Supported rates to be advertised to the cfg80211 */
1004 static struct ieee80211_rate mwifiex_rates[] = {
1005 {.bitrate = 10, .hw_value = 2, },
1006 {.bitrate = 20, .hw_value = 4, },
1007 {.bitrate = 55, .hw_value = 11, },
1008 {.bitrate = 110, .hw_value = 22, },
1009 {.bitrate = 60, .hw_value = 12, },
1010 {.bitrate = 90, .hw_value = 18, },
1011 {.bitrate = 120, .hw_value = 24, },
1012 {.bitrate = 180, .hw_value = 36, },
1013 {.bitrate = 240, .hw_value = 48, },
1014 {.bitrate = 360, .hw_value = 72, },
1015 {.bitrate = 480, .hw_value = 96, },
1016 {.bitrate = 540, .hw_value = 108, },
1017 };
1018
1019 /* Channel definitions to be advertised to cfg80211 */
1020 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1021 {.center_freq = 2412, .hw_value = 1, },
1022 {.center_freq = 2417, .hw_value = 2, },
1023 {.center_freq = 2422, .hw_value = 3, },
1024 {.center_freq = 2427, .hw_value = 4, },
1025 {.center_freq = 2432, .hw_value = 5, },
1026 {.center_freq = 2437, .hw_value = 6, },
1027 {.center_freq = 2442, .hw_value = 7, },
1028 {.center_freq = 2447, .hw_value = 8, },
1029 {.center_freq = 2452, .hw_value = 9, },
1030 {.center_freq = 2457, .hw_value = 10, },
1031 {.center_freq = 2462, .hw_value = 11, },
1032 {.center_freq = 2467, .hw_value = 12, },
1033 {.center_freq = 2472, .hw_value = 13, },
1034 {.center_freq = 2484, .hw_value = 14, },
1035 };
1036
1037 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1038 .channels = mwifiex_channels_2ghz,
1039 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1040 .bitrates = mwifiex_rates,
1041 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1042 };
1043
1044 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1045 {.center_freq = 5040, .hw_value = 8, },
1046 {.center_freq = 5060, .hw_value = 12, },
1047 {.center_freq = 5080, .hw_value = 16, },
1048 {.center_freq = 5170, .hw_value = 34, },
1049 {.center_freq = 5190, .hw_value = 38, },
1050 {.center_freq = 5210, .hw_value = 42, },
1051 {.center_freq = 5230, .hw_value = 46, },
1052 {.center_freq = 5180, .hw_value = 36, },
1053 {.center_freq = 5200, .hw_value = 40, },
1054 {.center_freq = 5220, .hw_value = 44, },
1055 {.center_freq = 5240, .hw_value = 48, },
1056 {.center_freq = 5260, .hw_value = 52, },
1057 {.center_freq = 5280, .hw_value = 56, },
1058 {.center_freq = 5300, .hw_value = 60, },
1059 {.center_freq = 5320, .hw_value = 64, },
1060 {.center_freq = 5500, .hw_value = 100, },
1061 {.center_freq = 5520, .hw_value = 104, },
1062 {.center_freq = 5540, .hw_value = 108, },
1063 {.center_freq = 5560, .hw_value = 112, },
1064 {.center_freq = 5580, .hw_value = 116, },
1065 {.center_freq = 5600, .hw_value = 120, },
1066 {.center_freq = 5620, .hw_value = 124, },
1067 {.center_freq = 5640, .hw_value = 128, },
1068 {.center_freq = 5660, .hw_value = 132, },
1069 {.center_freq = 5680, .hw_value = 136, },
1070 {.center_freq = 5700, .hw_value = 140, },
1071 {.center_freq = 5745, .hw_value = 149, },
1072 {.center_freq = 5765, .hw_value = 153, },
1073 {.center_freq = 5785, .hw_value = 157, },
1074 {.center_freq = 5805, .hw_value = 161, },
1075 {.center_freq = 5825, .hw_value = 165, },
1076 };
1077
1078 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1079 .channels = mwifiex_channels_5ghz,
1080 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1081 .bitrates = mwifiex_rates + 4,
1082 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1083 };
1084
1085
1086 /* Supported crypto cipher suits to be advertised to cfg80211 */
1087 static const u32 mwifiex_cipher_suites[] = {
1088 WLAN_CIPHER_SUITE_WEP40,
1089 WLAN_CIPHER_SUITE_WEP104,
1090 WLAN_CIPHER_SUITE_TKIP,
1091 WLAN_CIPHER_SUITE_CCMP,
1092 WLAN_CIPHER_SUITE_AES_CMAC,
1093 };
1094
1095 /* Supported mgmt frame types to be advertised to cfg80211 */
1096 static const struct ieee80211_txrx_stypes
1097 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1098 [NL80211_IFTYPE_STATION] = {
1099 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1100 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1101 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1102 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1103 },
1104 [NL80211_IFTYPE_AP] = {
1105 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1106 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1107 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1108 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1109 },
1110 [NL80211_IFTYPE_P2P_CLIENT] = {
1111 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1112 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1113 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1114 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1115 },
1116 [NL80211_IFTYPE_P2P_GO] = {
1117 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1118 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1119 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1120 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1121 },
1122 };
1123
1124 /*
1125 * CFG802.11 operation handler for setting bit rates.
1126 *
1127 * Function configures data rates to firmware using bitrate mask
1128 * provided by cfg80211.
1129 */
1130 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1131 struct net_device *dev,
1132 const u8 *peer,
1133 const struct cfg80211_bitrate_mask *mask)
1134 {
1135 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1136 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1137 enum ieee80211_band band;
1138
1139 if (!priv->media_connected) {
1140 dev_err(priv->adapter->dev,
1141 "Can not set Tx data rate in disconnected state\n");
1142 return -EINVAL;
1143 }
1144
1145 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1146
1147 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1148
1149 /* Fill HR/DSSS rates. */
1150 if (band == IEEE80211_BAND_2GHZ)
1151 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1152
1153 /* Fill OFDM rates */
1154 if (band == IEEE80211_BAND_2GHZ)
1155 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1156 else
1157 bitmap_rates[1] = mask->control[band].legacy;
1158
1159 /* Fill MCS rates */
1160 bitmap_rates[2] = mask->control[band].mcs[0];
1161 if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1162 bitmap_rates[2] |= mask->control[band].mcs[1] << 8;
1163
1164 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
1165 HostCmd_ACT_GEN_SET, 0, bitmap_rates);
1166 }
1167
1168 /*
1169 * CFG802.11 operation handler for connection quality monitoring.
1170 *
1171 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1172 * events to FW.
1173 */
1174 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1175 struct net_device *dev,
1176 s32 rssi_thold, u32 rssi_hyst)
1177 {
1178 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1179 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1180
1181 priv->cqm_rssi_thold = rssi_thold;
1182 priv->cqm_rssi_hyst = rssi_hyst;
1183
1184 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1185 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1186
1187 /* Subscribe/unsubscribe low and high rssi events */
1188 if (rssi_thold && rssi_hyst) {
1189 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1190 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1191 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1192 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1193 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1194 return mwifiex_send_cmd_sync(priv,
1195 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1196 0, 0, &subsc_evt);
1197 } else {
1198 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1199 return mwifiex_send_cmd_sync(priv,
1200 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1201 0, 0, &subsc_evt);
1202 }
1203
1204 return 0;
1205 }
1206
1207 /* cfg80211 operation handler for change_beacon.
1208 * Function retrieves and sets modified management IEs to FW.
1209 */
1210 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1211 struct net_device *dev,
1212 struct cfg80211_beacon_data *data)
1213 {
1214 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1215
1216 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1217 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
1218 return -EINVAL;
1219 }
1220
1221 if (!priv->bss_started) {
1222 wiphy_err(wiphy, "%s: bss not started\n", __func__);
1223 return -EINVAL;
1224 }
1225
1226 if (mwifiex_set_mgmt_ies(priv, data)) {
1227 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
1228 return -EFAULT;
1229 }
1230
1231 return 0;
1232 }
1233
1234 static int
1235 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1236 {
1237 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1238 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1239 MWIFIEX_BSS_ROLE_ANY);
1240 struct mwifiex_ds_ant_cfg ant_cfg;
1241
1242 if (!tx_ant || !rx_ant)
1243 return -EOPNOTSUPP;
1244
1245 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1246 /* Not a MIMO chip. User should provide specific antenna number
1247 * for Tx/Rx path or enable all antennas for diversity
1248 */
1249 if (tx_ant != rx_ant)
1250 return -EOPNOTSUPP;
1251
1252 if ((tx_ant & (tx_ant - 1)) &&
1253 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1254 return -EOPNOTSUPP;
1255
1256 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1257 (priv->adapter->number_of_antenna > 1)) {
1258 tx_ant = RF_ANTENNA_AUTO;
1259 rx_ant = RF_ANTENNA_AUTO;
1260 }
1261 }
1262
1263 ant_cfg.tx_ant = tx_ant;
1264 ant_cfg.rx_ant = rx_ant;
1265
1266 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA,
1267 HostCmd_ACT_GEN_SET, 0, &ant_cfg);
1268 }
1269
1270 /* cfg80211 operation handler for stop ap.
1271 * Function stops BSS running at uAP interface.
1272 */
1273 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1274 {
1275 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1276
1277 if (mwifiex_del_mgmt_ies(priv))
1278 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
1279
1280 priv->ap_11n_enabled = 0;
1281
1282 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1283 HostCmd_ACT_GEN_SET, 0, NULL)) {
1284 wiphy_err(wiphy, "Failed to stop the BSS\n");
1285 return -1;
1286 }
1287
1288 return 0;
1289 }
1290
1291 /* cfg80211 operation handler for start_ap.
1292 * Function sets beacon period, DTIM period, SSID and security into
1293 * AP config structure.
1294 * AP is configured with these settings and BSS is started.
1295 */
1296 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1297 struct net_device *dev,
1298 struct cfg80211_ap_settings *params)
1299 {
1300 struct mwifiex_uap_bss_param *bss_cfg;
1301 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1302 u8 config_bands = 0;
1303
1304 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1305 return -1;
1306 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
1307 return -1;
1308
1309 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1310 if (!bss_cfg)
1311 return -ENOMEM;
1312
1313 mwifiex_set_sys_config_invalid_data(bss_cfg);
1314
1315 if (params->beacon_interval)
1316 bss_cfg->beacon_period = params->beacon_interval;
1317 if (params->dtim_period)
1318 bss_cfg->dtim_period = params->dtim_period;
1319
1320 if (params->ssid && params->ssid_len) {
1321 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1322 bss_cfg->ssid.ssid_len = params->ssid_len;
1323 }
1324
1325 switch (params->hidden_ssid) {
1326 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1327 bss_cfg->bcast_ssid_ctl = 1;
1328 break;
1329 case NL80211_HIDDEN_SSID_ZERO_LEN:
1330 bss_cfg->bcast_ssid_ctl = 0;
1331 break;
1332 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1333 /* firmware doesn't support this type of hidden SSID */
1334 default:
1335 kfree(bss_cfg);
1336 return -EINVAL;
1337 }
1338
1339 bss_cfg->channel = ieee80211_frequency_to_channel(
1340 params->chandef.chan->center_freq);
1341
1342 /* Set appropriate bands */
1343 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1344 bss_cfg->band_cfg = BAND_CONFIG_BG;
1345 config_bands = BAND_B | BAND_G;
1346
1347 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1348 config_bands |= BAND_GN;
1349
1350 if (params->chandef.width > NL80211_CHAN_WIDTH_40)
1351 config_bands |= BAND_GAC;
1352 } else {
1353 bss_cfg->band_cfg = BAND_CONFIG_A;
1354 config_bands = BAND_A;
1355
1356 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1357 config_bands |= BAND_AN;
1358
1359 if (params->chandef.width > NL80211_CHAN_WIDTH_40)
1360 config_bands |= BAND_AAC;
1361 }
1362
1363 if (!((config_bands | priv->adapter->fw_bands) &
1364 ~priv->adapter->fw_bands))
1365 priv->adapter->config_bands = config_bands;
1366
1367 mwifiex_set_uap_rates(bss_cfg, params);
1368 mwifiex_send_domain_info_cmd_fw(wiphy);
1369
1370 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1371 kfree(bss_cfg);
1372 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1373 return -1;
1374 }
1375
1376 mwifiex_set_ht_params(priv, bss_cfg, params);
1377 mwifiex_set_wmm_params(priv, bss_cfg, params);
1378
1379 if (params->inactivity_timeout > 0) {
1380 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1381 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1382 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1383 }
1384
1385 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1386 HostCmd_ACT_GEN_SET, 0, NULL)) {
1387 wiphy_err(wiphy, "Failed to stop the BSS\n");
1388 kfree(bss_cfg);
1389 return -1;
1390 }
1391
1392 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG,
1393 HostCmd_ACT_GEN_SET,
1394 UAP_BSS_PARAMS_I, bss_cfg)) {
1395 wiphy_err(wiphy, "Failed to set the SSID\n");
1396 kfree(bss_cfg);
1397 return -1;
1398 }
1399
1400 kfree(bss_cfg);
1401
1402 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START,
1403 HostCmd_ACT_GEN_SET, 0, NULL)) {
1404 wiphy_err(wiphy, "Failed to start the BSS\n");
1405 return -1;
1406 }
1407
1408 if (priv->sec_info.wep_enabled)
1409 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1410 else
1411 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1412
1413 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1414 HostCmd_ACT_GEN_SET, 0,
1415 &priv->curr_pkt_filter))
1416 return -1;
1417
1418 return 0;
1419 }
1420
1421 /*
1422 * CFG802.11 operation handler for disconnection request.
1423 *
1424 * This function does not work when there is already a disconnection
1425 * procedure going on.
1426 */
1427 static int
1428 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1429 u16 reason_code)
1430 {
1431 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1432
1433 if (mwifiex_deauthenticate(priv, NULL))
1434 return -EFAULT;
1435
1436 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1437 " reason code %d\n", priv->cfg_bssid, reason_code);
1438
1439 memset(priv->cfg_bssid, 0, ETH_ALEN);
1440
1441 return 0;
1442 }
1443
1444 /*
1445 * This function informs the CFG802.11 subsystem of a new IBSS.
1446 *
1447 * The following information are sent to the CFG802.11 subsystem
1448 * to register the new IBSS. If we do not register the new IBSS,
1449 * a kernel panic will result.
1450 * - SSID
1451 * - SSID length
1452 * - BSSID
1453 * - Channel
1454 */
1455 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1456 {
1457 struct ieee80211_channel *chan;
1458 struct mwifiex_bss_info bss_info;
1459 struct cfg80211_bss *bss;
1460 int ie_len;
1461 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1462 enum ieee80211_band band;
1463
1464 if (mwifiex_get_bss_info(priv, &bss_info))
1465 return -1;
1466
1467 ie_buf[0] = WLAN_EID_SSID;
1468 ie_buf[1] = bss_info.ssid.ssid_len;
1469
1470 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
1471 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
1472 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1473
1474 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1475 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1476 ieee80211_channel_to_frequency(bss_info.bss_chan,
1477 band));
1478
1479 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
1480 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1481 0, ie_buf, ie_len, 0, GFP_KERNEL);
1482 cfg80211_put_bss(priv->wdev->wiphy, bss);
1483 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1484
1485 return 0;
1486 }
1487
1488 /*
1489 * This function connects with a BSS.
1490 *
1491 * This function handles both Infra and Ad-Hoc modes. It also performs
1492 * validity checking on the provided parameters, disconnects from the
1493 * current BSS (if any), sets up the association/scan parameters,
1494 * including security settings, and performs specific SSID scan before
1495 * trying to connect.
1496 *
1497 * For Infra mode, the function returns failure if the specified SSID
1498 * is not found in scan table. However, for Ad-Hoc mode, it can create
1499 * the IBSS if it does not exist. On successful completion in either case,
1500 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1501 */
1502 static int
1503 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
1504 u8 *bssid, int mode, struct ieee80211_channel *channel,
1505 struct cfg80211_connect_params *sme, bool privacy)
1506 {
1507 struct cfg80211_ssid req_ssid;
1508 int ret, auth_type = 0;
1509 struct cfg80211_bss *bss = NULL;
1510 u8 is_scanning_required = 0;
1511
1512 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
1513
1514 req_ssid.ssid_len = ssid_len;
1515 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1516 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1517 return -EINVAL;
1518 }
1519
1520 memcpy(req_ssid.ssid, ssid, ssid_len);
1521 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1522 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1523 return -EINVAL;
1524 }
1525
1526 /* disconnect before try to associate */
1527 mwifiex_deauthenticate(priv, NULL);
1528
1529 /* As this is new association, clear locally stored
1530 * keys and security related flags */
1531 priv->sec_info.wpa_enabled = false;
1532 priv->sec_info.wpa2_enabled = false;
1533 priv->wep_key_curr_index = 0;
1534 priv->sec_info.encryption_mode = 0;
1535 priv->sec_info.is_authtype_auto = 0;
1536 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
1537
1538 if (mode == NL80211_IFTYPE_ADHOC) {
1539 /* "privacy" is set only for ad-hoc mode */
1540 if (privacy) {
1541 /*
1542 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1543 * the firmware can find a matching network from the
1544 * scan. The cfg80211 does not give us the encryption
1545 * mode at this stage so just setting it to WEP here.
1546 */
1547 priv->sec_info.encryption_mode =
1548 WLAN_CIPHER_SUITE_WEP104;
1549 priv->sec_info.authentication_mode =
1550 NL80211_AUTHTYPE_OPEN_SYSTEM;
1551 }
1552
1553 goto done;
1554 }
1555
1556 /* Now handle infra mode. "sme" is valid for infra mode only */
1557 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
1558 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1559 priv->sec_info.is_authtype_auto = 1;
1560 } else {
1561 auth_type = sme->auth_type;
1562 }
1563
1564 if (sme->crypto.n_ciphers_pairwise) {
1565 priv->sec_info.encryption_mode =
1566 sme->crypto.ciphers_pairwise[0];
1567 priv->sec_info.authentication_mode = auth_type;
1568 }
1569
1570 if (sme->crypto.cipher_group) {
1571 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
1572 priv->sec_info.authentication_mode = auth_type;
1573 }
1574 if (sme->ie)
1575 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1576
1577 if (sme->key) {
1578 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
1579 dev_dbg(priv->adapter->dev,
1580 "info: setting wep encryption"
1581 " with key len %d\n", sme->key_len);
1582 priv->wep_key_curr_index = sme->key_idx;
1583 ret = mwifiex_set_encode(priv, NULL, sme->key,
1584 sme->key_len, sme->key_idx,
1585 NULL, 0);
1586 }
1587 }
1588 done:
1589 /*
1590 * Scan entries are valid for some time (15 sec). So we can save one
1591 * active scan time if we just try cfg80211_get_bss first. If it fails
1592 * then request scan and cfg80211_get_bss() again for final output.
1593 */
1594 while (1) {
1595 if (is_scanning_required) {
1596 /* Do specific SSID scanning */
1597 if (mwifiex_request_scan(priv, &req_ssid)) {
1598 dev_err(priv->adapter->dev, "scan error\n");
1599 return -EFAULT;
1600 }
1601 }
1602
1603 /* Find the BSS we want using available scan results */
1604 if (mode == NL80211_IFTYPE_ADHOC)
1605 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1606 bssid, ssid, ssid_len,
1607 WLAN_CAPABILITY_IBSS,
1608 WLAN_CAPABILITY_IBSS);
1609 else
1610 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1611 bssid, ssid, ssid_len,
1612 WLAN_CAPABILITY_ESS,
1613 WLAN_CAPABILITY_ESS);
1614
1615 if (!bss) {
1616 if (is_scanning_required) {
1617 dev_warn(priv->adapter->dev,
1618 "assoc: requested bss not found in scan results\n");
1619 break;
1620 }
1621 is_scanning_required = 1;
1622 } else {
1623 dev_dbg(priv->adapter->dev,
1624 "info: trying to associate to '%s' bssid %pM\n",
1625 (char *) req_ssid.ssid, bss->bssid);
1626 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1627 break;
1628 }
1629 }
1630
1631 ret = mwifiex_bss_start(priv, bss, &req_ssid);
1632 if (ret)
1633 return ret;
1634
1635 if (mode == NL80211_IFTYPE_ADHOC) {
1636 /* Inform the BSS information to kernel, otherwise
1637 * kernel will give a panic after successful assoc */
1638 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1639 return -EFAULT;
1640 }
1641
1642 return ret;
1643 }
1644
1645 /*
1646 * CFG802.11 operation handler for association request.
1647 *
1648 * This function does not work when the current mode is set to Ad-Hoc, or
1649 * when there is already an association procedure going on. The given BSS
1650 * information is used to associate.
1651 */
1652 static int
1653 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1654 struct cfg80211_connect_params *sme)
1655 {
1656 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1657 int ret = 0;
1658
1659 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
1660 wiphy_err(wiphy, "received infra assoc request "
1661 "when station is in ibss mode\n");
1662 goto done;
1663 }
1664
1665 if (priv->bss_mode == NL80211_IFTYPE_AP) {
1666 wiphy_err(wiphy, "skip association request for AP interface\n");
1667 goto done;
1668 }
1669
1670 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
1671 (char *) sme->ssid, sme->bssid);
1672
1673 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
1674 priv->bss_mode, sme->channel, sme, 0);
1675 done:
1676 if (!ret) {
1677 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1678 NULL, 0, WLAN_STATUS_SUCCESS,
1679 GFP_KERNEL);
1680 dev_dbg(priv->adapter->dev,
1681 "info: associated to bssid %pM successfully\n",
1682 priv->cfg_bssid);
1683 } else {
1684 dev_dbg(priv->adapter->dev,
1685 "info: association to bssid %pM failed\n",
1686 priv->cfg_bssid);
1687 memset(priv->cfg_bssid, 0, ETH_ALEN);
1688
1689 if (ret > 0)
1690 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1691 NULL, 0, NULL, 0, ret,
1692 GFP_KERNEL);
1693 else
1694 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1695 NULL, 0, NULL, 0,
1696 WLAN_STATUS_UNSPECIFIED_FAILURE,
1697 GFP_KERNEL);
1698 }
1699
1700 return 0;
1701 }
1702
1703 /*
1704 * This function sets following parameters for ibss network.
1705 * - channel
1706 * - start band
1707 * - 11n flag
1708 * - secondary channel offset
1709 */
1710 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
1711 struct cfg80211_ibss_params *params)
1712 {
1713 struct wiphy *wiphy = priv->wdev->wiphy;
1714 struct mwifiex_adapter *adapter = priv->adapter;
1715 int index = 0, i;
1716 u8 config_bands = 0;
1717
1718 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1719 if (!params->basic_rates) {
1720 config_bands = BAND_B | BAND_G;
1721 } else {
1722 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
1723 /*
1724 * Rates below 6 Mbps in the table are CCK
1725 * rates; 802.11b and from 6 they are OFDM;
1726 * 802.11G
1727 */
1728 if (mwifiex_rates[i].bitrate == 60) {
1729 index = 1 << i;
1730 break;
1731 }
1732 }
1733
1734 if (params->basic_rates < index) {
1735 config_bands = BAND_B;
1736 } else {
1737 config_bands = BAND_G;
1738 if (params->basic_rates % index)
1739 config_bands |= BAND_B;
1740 }
1741 }
1742
1743 if (cfg80211_get_chandef_type(&params->chandef) !=
1744 NL80211_CHAN_NO_HT)
1745 config_bands |= BAND_G | BAND_GN;
1746 } else {
1747 if (cfg80211_get_chandef_type(&params->chandef) ==
1748 NL80211_CHAN_NO_HT)
1749 config_bands = BAND_A;
1750 else
1751 config_bands = BAND_AN | BAND_A;
1752 }
1753
1754 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
1755 adapter->config_bands = config_bands;
1756 adapter->adhoc_start_band = config_bands;
1757
1758 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
1759 adapter->adhoc_11n_enabled = true;
1760 else
1761 adapter->adhoc_11n_enabled = false;
1762 }
1763
1764 adapter->sec_chan_offset =
1765 mwifiex_chan_type_to_sec_chan_offset(
1766 cfg80211_get_chandef_type(&params->chandef));
1767 priv->adhoc_channel = ieee80211_frequency_to_channel(
1768 params->chandef.chan->center_freq);
1769
1770 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
1771 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
1772
1773 return 0;
1774 }
1775
1776 /*
1777 * CFG802.11 operation handler to join an IBSS.
1778 *
1779 * This function does not work in any mode other than Ad-Hoc, or if
1780 * a join operation is already in progress.
1781 */
1782 static int
1783 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1784 struct cfg80211_ibss_params *params)
1785 {
1786 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1787 int ret = 0;
1788
1789 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
1790 wiphy_err(wiphy, "request to join ibss received "
1791 "when station is not in ibss mode\n");
1792 goto done;
1793 }
1794
1795 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1796 (char *) params->ssid, params->bssid);
1797
1798 mwifiex_set_ibss_params(priv, params);
1799
1800 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
1801 params->bssid, priv->bss_mode,
1802 params->chandef.chan, NULL,
1803 params->privacy);
1804 done:
1805 if (!ret) {
1806 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
1807 dev_dbg(priv->adapter->dev,
1808 "info: joined/created adhoc network with bssid"
1809 " %pM successfully\n", priv->cfg_bssid);
1810 } else {
1811 dev_dbg(priv->adapter->dev,
1812 "info: failed creating/joining adhoc network\n");
1813 }
1814
1815 return ret;
1816 }
1817
1818 /*
1819 * CFG802.11 operation handler to leave an IBSS.
1820 *
1821 * This function does not work if a leave operation is
1822 * already in progress.
1823 */
1824 static int
1825 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1826 {
1827 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1828
1829 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1830 priv->cfg_bssid);
1831 if (mwifiex_deauthenticate(priv, NULL))
1832 return -EFAULT;
1833
1834 memset(priv->cfg_bssid, 0, ETH_ALEN);
1835
1836 return 0;
1837 }
1838
1839 /*
1840 * CFG802.11 operation handler for scan request.
1841 *
1842 * This function issues a scan request to the firmware based upon
1843 * the user specified scan configuration. On successfull completion,
1844 * it also informs the results.
1845 */
1846 static int
1847 mwifiex_cfg80211_scan(struct wiphy *wiphy,
1848 struct cfg80211_scan_request *request)
1849 {
1850 struct net_device *dev = request->wdev->netdev;
1851 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1852 int i, offset, ret;
1853 struct ieee80211_channel *chan;
1854 struct ieee_types_header *ie;
1855
1856 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1857
1858 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
1859 atomic_read(&priv->wmm.tx_pkts_queued) >=
1860 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) {
1861 dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n");
1862 return -EBUSY;
1863 }
1864
1865 if (priv->user_scan_cfg) {
1866 dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
1867 return -EBUSY;
1868 }
1869
1870 priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
1871 GFP_KERNEL);
1872 if (!priv->user_scan_cfg)
1873 return -ENOMEM;
1874
1875 priv->scan_request = request;
1876
1877 priv->user_scan_cfg->num_ssids = request->n_ssids;
1878 priv->user_scan_cfg->ssid_list = request->ssids;
1879
1880 if (request->ie && request->ie_len) {
1881 offset = 0;
1882 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1883 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1884 continue;
1885 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
1886 ie = (struct ieee_types_header *)(request->ie + offset);
1887 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
1888 offset += sizeof(*ie) + ie->len;
1889
1890 if (offset >= request->ie_len)
1891 break;
1892 }
1893 }
1894
1895 for (i = 0; i < request->n_channels; i++) {
1896 chan = request->channels[i];
1897 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1898 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
1899
1900 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
1901 priv->user_scan_cfg->chan_list[i].scan_type =
1902 MWIFIEX_SCAN_TYPE_PASSIVE;
1903 else
1904 priv->user_scan_cfg->chan_list[i].scan_type =
1905 MWIFIEX_SCAN_TYPE_ACTIVE;
1906
1907 priv->user_scan_cfg->chan_list[i].scan_time = 0;
1908 }
1909
1910 ret = mwifiex_scan_networks(priv, priv->user_scan_cfg);
1911 if (ret) {
1912 dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
1913 priv->scan_request = NULL;
1914 kfree(priv->user_scan_cfg);
1915 priv->user_scan_cfg = NULL;
1916 return ret;
1917 }
1918
1919 if (request->ie && request->ie_len) {
1920 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1921 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
1922 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
1923 memset(&priv->vs_ie[i].ie, 0,
1924 MWIFIEX_MAX_VSIE_LEN);
1925 }
1926 }
1927 }
1928 return 0;
1929 }
1930
1931 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
1932 struct mwifiex_private *priv)
1933 {
1934 struct mwifiex_adapter *adapter = priv->adapter;
1935 u32 vht_cap = 0, cap = adapter->hw_dot_11ac_dev_cap;
1936
1937 vht_info->vht_supported = true;
1938
1939 switch (GET_VHTCAP_MAXMPDULEN(cap)) {
1940 case 0x00:
1941 vht_cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895;
1942 break;
1943 case 0x01:
1944 vht_cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991;
1945 break;
1946 case 0x10:
1947 vht_cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
1948 break;
1949 default:
1950 dev_err(adapter->dev, "unsupported MAX MPDU len\n");
1951 break;
1952 }
1953
1954 if (ISSUPP_11ACVHTHTCVHT(cap))
1955 vht_cap |= IEEE80211_VHT_CAP_HTC_VHT;
1956
1957 if (ISSUPP_11ACVHTTXOPPS(cap))
1958 vht_cap |= IEEE80211_VHT_CAP_VHT_TXOP_PS;
1959
1960 if (ISSUPP_11ACMURXBEAMFORMEE(cap))
1961 vht_cap |= IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
1962
1963 if (ISSUPP_11ACMUTXBEAMFORMEE(cap))
1964 vht_cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
1965
1966 if (ISSUPP_11ACSUBEAMFORMER(cap))
1967 vht_cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
1968
1969 if (ISSUPP_11ACSUBEAMFORMEE(cap))
1970 vht_cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
1971
1972 if (ISSUPP_11ACRXSTBC(cap))
1973 vht_cap |= IEEE80211_VHT_CAP_RXSTBC_1;
1974
1975 if (ISSUPP_11ACTXSTBC(cap))
1976 vht_cap |= IEEE80211_VHT_CAP_TXSTBC;
1977
1978 if (ISSUPP_11ACSGI160(cap))
1979 vht_cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
1980
1981 if (ISSUPP_11ACSGI80(cap))
1982 vht_cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
1983
1984 if (ISSUPP_11ACLDPC(cap))
1985 vht_cap |= IEEE80211_VHT_CAP_RXLDPC;
1986
1987 if (ISSUPP_11ACBW8080(cap))
1988 vht_cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
1989
1990 if (ISSUPP_11ACBW160(cap))
1991 vht_cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
1992
1993 vht_info->cap = vht_cap;
1994
1995 /* Update MCS support for VHT */
1996 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
1997 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
1998 vht_info->vht_mcs.rx_highest = 0;
1999 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2000 adapter->hw_dot_11ac_mcs_support >> 16);
2001 vht_info->vht_mcs.tx_highest = 0;
2002 }
2003
2004 /*
2005 * This function sets up the CFG802.11 specific HT capability fields
2006 * with default values.
2007 *
2008 * The following default values are set -
2009 * - HT Supported = True
2010 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2011 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2012 * - HT Capabilities supported by firmware
2013 * - MCS information, Rx mask = 0xff
2014 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2015 */
2016 static void
2017 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2018 struct mwifiex_private *priv)
2019 {
2020 int rx_mcs_supp;
2021 struct ieee80211_mcs_info mcs_set;
2022 u8 *mcs = (u8 *)&mcs_set;
2023 struct mwifiex_adapter *adapter = priv->adapter;
2024
2025 ht_info->ht_supported = true;
2026 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2027 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2028
2029 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2030
2031 /* Fill HT capability information */
2032 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2033 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2034 else
2035 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2036
2037 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2038 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2039 else
2040 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2041
2042 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2043 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2044 else
2045 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2046
2047 if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
2048 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2049 else
2050 ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
2051
2052 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2053 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2054 else
2055 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2056
2057 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2058 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2059 else
2060 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2061
2062 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2063 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2064 else
2065 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2066
2067 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2068 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2069 else
2070 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2071
2072 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2073 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2074
2075 rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
2076 /* Set MCS for 1x1 */
2077 memset(mcs, 0xff, rx_mcs_supp);
2078 /* Clear all the other values */
2079 memset(&mcs[rx_mcs_supp], 0,
2080 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2081 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2082 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2083 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2084 SETHT_MCS32(mcs_set.rx_mask);
2085
2086 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2087
2088 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2089 }
2090
2091 /*
2092 * create a new virtual interface with the given name
2093 */
2094 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2095 const char *name,
2096 enum nl80211_iftype type,
2097 u32 *flags,
2098 struct vif_params *params)
2099 {
2100 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2101 struct mwifiex_private *priv;
2102 struct net_device *dev;
2103 void *mdev_priv;
2104 struct wireless_dev *wdev;
2105
2106 if (!adapter)
2107 return ERR_PTR(-EFAULT);
2108
2109 switch (type) {
2110 case NL80211_IFTYPE_UNSPECIFIED:
2111 case NL80211_IFTYPE_STATION:
2112 case NL80211_IFTYPE_ADHOC:
2113 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2114 if (priv->bss_mode) {
2115 wiphy_err(wiphy,
2116 "cannot create multiple sta/adhoc ifaces\n");
2117 return ERR_PTR(-EINVAL);
2118 }
2119
2120 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2121 if (!wdev)
2122 return ERR_PTR(-ENOMEM);
2123
2124 wdev->wiphy = wiphy;
2125 priv->wdev = wdev;
2126 wdev->iftype = NL80211_IFTYPE_STATION;
2127
2128 if (type == NL80211_IFTYPE_UNSPECIFIED)
2129 priv->bss_mode = NL80211_IFTYPE_STATION;
2130 else
2131 priv->bss_mode = type;
2132
2133 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2134 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2135 priv->bss_priority = 0;
2136 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2137 priv->bss_num = 0;
2138
2139 break;
2140 case NL80211_IFTYPE_AP:
2141 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
2142
2143 if (priv->bss_mode) {
2144 wiphy_err(wiphy, "Can't create multiple AP interfaces");
2145 return ERR_PTR(-EINVAL);
2146 }
2147
2148 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2149 if (!wdev)
2150 return ERR_PTR(-ENOMEM);
2151
2152 priv->wdev = wdev;
2153 wdev->wiphy = wiphy;
2154 wdev->iftype = NL80211_IFTYPE_AP;
2155
2156 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2157 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2158 priv->bss_priority = 0;
2159 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2160 priv->bss_started = 0;
2161 priv->bss_num = 0;
2162 priv->bss_mode = type;
2163
2164 break;
2165 case NL80211_IFTYPE_P2P_CLIENT:
2166 priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
2167
2168 if (priv->bss_mode) {
2169 wiphy_err(wiphy, "Can't create multiple P2P ifaces");
2170 return ERR_PTR(-EINVAL);
2171 }
2172
2173 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2174 if (!wdev)
2175 return ERR_PTR(-ENOMEM);
2176
2177 priv->wdev = wdev;
2178 wdev->wiphy = wiphy;
2179
2180 /* At start-up, wpa_supplicant tries to change the interface
2181 * to NL80211_IFTYPE_STATION if it is not managed mode.
2182 * So, we initialize it to STA mode.
2183 */
2184 wdev->iftype = NL80211_IFTYPE_STATION;
2185 priv->bss_mode = NL80211_IFTYPE_STATION;
2186
2187 /* Setting bss_type to P2P tells firmware that this interface
2188 * is receiving P2P peers found during find phase and doing
2189 * action frame handshake.
2190 */
2191 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2192
2193 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2194 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2195 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2196 priv->bss_started = 0;
2197 priv->bss_num = 0;
2198
2199 break;
2200 default:
2201 wiphy_err(wiphy, "type not supported\n");
2202 return ERR_PTR(-EINVAL);
2203 }
2204
2205 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2206 ether_setup, IEEE80211_NUM_ACS, 1);
2207 if (!dev) {
2208 wiphy_err(wiphy, "no memory available for netdevice\n");
2209 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2210 return ERR_PTR(-ENOMEM);
2211 }
2212
2213 mwifiex_init_priv_params(priv, dev);
2214 priv->netdev = dev;
2215
2216 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
2217 if (adapter->is_hw_11ac_capable)
2218 mwifiex_setup_vht_caps(
2219 &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
2220
2221 if (adapter->config_bands & BAND_A)
2222 mwifiex_setup_ht_caps(
2223 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2224
2225 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2226 mwifiex_setup_vht_caps(
2227 &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);
2228
2229 dev_net_set(dev, wiphy_net(wiphy));
2230 dev->ieee80211_ptr = priv->wdev;
2231 dev->ieee80211_ptr->iftype = priv->bss_mode;
2232 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
2233 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2234
2235 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2236 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2237 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2238
2239 mdev_priv = netdev_priv(dev);
2240 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2241
2242 SET_NETDEV_DEV(dev, adapter->dev);
2243
2244 /* Register network device */
2245 if (register_netdevice(dev)) {
2246 wiphy_err(wiphy, "cannot register virtual network device\n");
2247 free_netdev(dev);
2248 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2249 return ERR_PTR(-EFAULT);
2250 }
2251
2252 sema_init(&priv->async_sem, 1);
2253
2254 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
2255
2256 #ifdef CONFIG_DEBUG_FS
2257 mwifiex_dev_debugfs_init(priv);
2258 #endif
2259 return wdev;
2260 }
2261 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2262
2263 /*
2264 * del_virtual_intf: remove the virtual interface determined by dev
2265 */
2266 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
2267 {
2268 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
2269
2270 #ifdef CONFIG_DEBUG_FS
2271 mwifiex_dev_debugfs_remove(priv);
2272 #endif
2273
2274 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
2275
2276 if (netif_carrier_ok(priv->netdev))
2277 netif_carrier_off(priv->netdev);
2278
2279 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2280 unregister_netdevice(wdev->netdev);
2281
2282 if (wdev->netdev->reg_state == NETREG_UNREGISTERED)
2283 free_netdev(wdev->netdev);
2284
2285 /* Clear the priv in adapter */
2286 priv->netdev = NULL;
2287
2288 priv->media_connected = false;
2289
2290 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2291
2292 return 0;
2293 }
2294 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2295
2296 /* station cfg80211 operations */
2297 static struct cfg80211_ops mwifiex_cfg80211_ops = {
2298 .add_virtual_intf = mwifiex_add_virtual_intf,
2299 .del_virtual_intf = mwifiex_del_virtual_intf,
2300 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
2301 .scan = mwifiex_cfg80211_scan,
2302 .connect = mwifiex_cfg80211_connect,
2303 .disconnect = mwifiex_cfg80211_disconnect,
2304 .get_station = mwifiex_cfg80211_get_station,
2305 .dump_station = mwifiex_cfg80211_dump_station,
2306 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
2307 .join_ibss = mwifiex_cfg80211_join_ibss,
2308 .leave_ibss = mwifiex_cfg80211_leave_ibss,
2309 .add_key = mwifiex_cfg80211_add_key,
2310 .del_key = mwifiex_cfg80211_del_key,
2311 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
2312 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
2313 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
2314 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
2315 .set_default_key = mwifiex_cfg80211_set_default_key,
2316 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
2317 .set_tx_power = mwifiex_cfg80211_set_tx_power,
2318 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
2319 .start_ap = mwifiex_cfg80211_start_ap,
2320 .stop_ap = mwifiex_cfg80211_stop_ap,
2321 .change_beacon = mwifiex_cfg80211_change_beacon,
2322 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
2323 .set_antenna = mwifiex_cfg80211_set_antenna,
2324 };
2325
2326 /*
2327 * This function registers the device with CFG802.11 subsystem.
2328 *
2329 * The function creates the wireless device/wiphy, populates it with
2330 * default parameters and handler function pointers, and finally
2331 * registers the device.
2332 */
2333
2334 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
2335 {
2336 int ret;
2337 void *wdev_priv;
2338 struct wiphy *wiphy;
2339 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2340 u8 *country_code;
2341
2342 /* create a new wiphy for use with cfg80211 */
2343 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
2344 sizeof(struct mwifiex_adapter *));
2345 if (!wiphy) {
2346 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
2347 return -ENOMEM;
2348 }
2349 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
2350 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
2351 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
2352 wiphy->max_remain_on_channel_duration = 5000;
2353 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2354 BIT(NL80211_IFTYPE_ADHOC) |
2355 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2356 BIT(NL80211_IFTYPE_P2P_GO) |
2357 BIT(NL80211_IFTYPE_AP);
2358
2359 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
2360 if (adapter->config_bands & BAND_A)
2361 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
2362 else
2363 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
2364
2365 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
2366 wiphy->n_iface_combinations = 1;
2367
2368 /* Initialize cipher suits */
2369 wiphy->cipher_suites = mwifiex_cipher_suites;
2370 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
2371
2372 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
2373 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2374 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
2375 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2376 WIPHY_FLAG_AP_UAPSD |
2377 WIPHY_FLAG_CUSTOM_REGULATORY |
2378 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2379
2380 wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
2381
2382 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2383 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2384 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2385
2386 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
2387 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
2388
2389 wiphy->features |= NL80211_FEATURE_HT_IBSS |
2390 NL80211_FEATURE_INACTIVITY_TIMER |
2391 NL80211_FEATURE_LOW_PRIORITY_SCAN;
2392
2393 /* Reserve space for mwifiex specific private data for BSS */
2394 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
2395
2396 wiphy->reg_notifier = mwifiex_reg_notifier;
2397
2398 /* Set struct mwifiex_adapter pointer in wiphy_priv */
2399 wdev_priv = wiphy_priv(wiphy);
2400 *(unsigned long *)wdev_priv = (unsigned long)adapter;
2401
2402 set_wiphy_dev(wiphy, priv->adapter->dev);
2403
2404 ret = wiphy_register(wiphy);
2405 if (ret < 0) {
2406 dev_err(adapter->dev,
2407 "%s: wiphy_register failed: %d\n", __func__, ret);
2408 wiphy_free(wiphy);
2409 return ret;
2410 }
2411 country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
2412 if (country_code)
2413 dev_info(adapter->dev,
2414 "ignoring F/W country code %2.2s\n", country_code);
2415
2416 adapter->wiphy = wiphy;
2417 return ret;
2418 }
kernel source for telekom puls (alcatel/mediatek)