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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...
[deliverable/linux.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 mwifiex_queue_tx_pkt(priv, skb);
198
199 *cookie = prandom_u32() | 1;
200 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC);
201
202 wiphy_dbg(wiphy, "info: management frame transmitted\n");
203 return 0;
204 }
205
206 /*
207 * CFG802.11 operation handler to register a mgmt frame.
208 */
209 static void
210 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
211 struct wireless_dev *wdev,
212 u16 frame_type, bool reg)
213 {
214 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
215 u32 mask;
216
217 if (reg)
218 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
219 else
220 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
221
222 if (mask != priv->mgmt_frame_mask) {
223 priv->mgmt_frame_mask = mask;
224 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
225 HostCmd_ACT_GEN_SET, 0,
226 &priv->mgmt_frame_mask, false);
227 wiphy_dbg(wiphy, "info: mgmt frame registered\n");
228 }
229 }
230
231 /*
232 * CFG802.11 operation handler to remain on channel.
233 */
234 static int
235 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
236 struct wireless_dev *wdev,
237 struct ieee80211_channel *chan,
238 unsigned int duration, u64 *cookie)
239 {
240 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
241 int ret;
242
243 if (!chan || !cookie) {
244 wiphy_err(wiphy, "Invalid parameter for ROC\n");
245 return -EINVAL;
246 }
247
248 if (priv->roc_cfg.cookie) {
249 wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llx\n",
250 priv->roc_cfg.cookie);
251 return -EBUSY;
252 }
253
254 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
255 duration);
256
257 if (!ret) {
258 *cookie = prandom_u32() | 1;
259 priv->roc_cfg.cookie = *cookie;
260 priv->roc_cfg.chan = *chan;
261
262 cfg80211_ready_on_channel(wdev, *cookie, chan,
263 duration, GFP_ATOMIC);
264
265 wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
266 }
267
268 return ret;
269 }
270
271 /*
272 * CFG802.11 operation handler to cancel remain on channel.
273 */
274 static int
275 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
276 struct wireless_dev *wdev, u64 cookie)
277 {
278 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
279 int ret;
280
281 if (cookie != priv->roc_cfg.cookie)
282 return -ENOENT;
283
284 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
285 &priv->roc_cfg.chan, 0);
286
287 if (!ret) {
288 cfg80211_remain_on_channel_expired(wdev, cookie,
289 &priv->roc_cfg.chan,
290 GFP_ATOMIC);
291
292 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
293
294 wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
295 }
296
297 return ret;
298 }
299
300 /*
301 * CFG802.11 operation handler to set Tx power.
302 */
303 static int
304 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
305 struct wireless_dev *wdev,
306 enum nl80211_tx_power_setting type,
307 int mbm)
308 {
309 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
310 struct mwifiex_private *priv;
311 struct mwifiex_power_cfg power_cfg;
312 int dbm = MBM_TO_DBM(mbm);
313
314 if (type == NL80211_TX_POWER_FIXED) {
315 power_cfg.is_power_auto = 0;
316 power_cfg.power_level = dbm;
317 } else {
318 power_cfg.is_power_auto = 1;
319 }
320
321 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
322
323 return mwifiex_set_tx_power(priv, &power_cfg);
324 }
325
326 /*
327 * CFG802.11 operation handler to set Power Save option.
328 *
329 * The timeout value, if provided, is currently ignored.
330 */
331 static int
332 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
333 struct net_device *dev,
334 bool enabled, int timeout)
335 {
336 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
337 u32 ps_mode;
338
339 if (timeout)
340 wiphy_dbg(wiphy,
341 "info: ignore timeout value for IEEE Power Save\n");
342
343 ps_mode = enabled;
344
345 return mwifiex_drv_set_power(priv, &ps_mode);
346 }
347
348 /*
349 * CFG802.11 operation handler to set the default network key.
350 */
351 static int
352 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
353 u8 key_index, bool unicast,
354 bool multicast)
355 {
356 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
357
358 /* Return if WEP key not configured */
359 if (!priv->sec_info.wep_enabled)
360 return 0;
361
362 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
363 priv->wep_key_curr_index = key_index;
364 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
365 NULL, 0)) {
366 wiphy_err(wiphy, "set default Tx key index\n");
367 return -EFAULT;
368 }
369
370 return 0;
371 }
372
373 /*
374 * CFG802.11 operation handler to add a network key.
375 */
376 static int
377 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
378 u8 key_index, bool pairwise, const u8 *mac_addr,
379 struct key_params *params)
380 {
381 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
382 struct mwifiex_wep_key *wep_key;
383 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
384 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
385
386 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
387 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
388 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
389 if (params->key && params->key_len) {
390 wep_key = &priv->wep_key[key_index];
391 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
392 memcpy(wep_key->key_material, params->key,
393 params->key_len);
394 wep_key->key_index = key_index;
395 wep_key->key_length = params->key_len;
396 priv->sec_info.wep_enabled = 1;
397 }
398 return 0;
399 }
400
401 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
402 key_index, peer_mac, 0)) {
403 wiphy_err(wiphy, "crypto keys added\n");
404 return -EFAULT;
405 }
406
407 return 0;
408 }
409
410 /*
411 * This function sends domain information to the firmware.
412 *
413 * The following information are passed to the firmware -
414 * - Country codes
415 * - Sub bands (first channel, number of channels, maximum Tx power)
416 */
417 static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
418 {
419 u8 no_of_triplet = 0;
420 struct ieee80211_country_ie_triplet *t;
421 u8 no_of_parsed_chan = 0;
422 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
423 u8 i, flag = 0;
424 enum ieee80211_band band;
425 struct ieee80211_supported_band *sband;
426 struct ieee80211_channel *ch;
427 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
428 struct mwifiex_private *priv;
429 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
430
431 /* Set country code */
432 domain_info->country_code[0] = adapter->country_code[0];
433 domain_info->country_code[1] = adapter->country_code[1];
434 domain_info->country_code[2] = ' ';
435
436 band = mwifiex_band_to_radio_type(adapter->config_bands);
437 if (!wiphy->bands[band]) {
438 wiphy_err(wiphy, "11D: setting domain info in FW\n");
439 return -1;
440 }
441
442 sband = wiphy->bands[band];
443
444 for (i = 0; i < sband->n_channels ; i++) {
445 ch = &sband->channels[i];
446 if (ch->flags & IEEE80211_CHAN_DISABLED)
447 continue;
448
449 if (!flag) {
450 flag = 1;
451 first_chan = (u32) ch->hw_value;
452 next_chan = first_chan;
453 max_pwr = ch->max_power;
454 no_of_parsed_chan = 1;
455 continue;
456 }
457
458 if (ch->hw_value == next_chan + 1 &&
459 ch->max_power == max_pwr) {
460 next_chan++;
461 no_of_parsed_chan++;
462 } else {
463 t = &domain_info->triplet[no_of_triplet];
464 t->chans.first_channel = first_chan;
465 t->chans.num_channels = no_of_parsed_chan;
466 t->chans.max_power = max_pwr;
467 no_of_triplet++;
468 first_chan = (u32) ch->hw_value;
469 next_chan = first_chan;
470 max_pwr = ch->max_power;
471 no_of_parsed_chan = 1;
472 }
473 }
474
475 if (flag) {
476 t = &domain_info->triplet[no_of_triplet];
477 t->chans.first_channel = first_chan;
478 t->chans.num_channels = no_of_parsed_chan;
479 t->chans.max_power = max_pwr;
480 no_of_triplet++;
481 }
482
483 domain_info->no_of_triplet = no_of_triplet;
484
485 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
486
487 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
488 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
489 wiphy_err(wiphy, "11D: setting domain info in FW\n");
490 return -1;
491 }
492
493 return 0;
494 }
495
496 /*
497 * CFG802.11 regulatory domain callback function.
498 *
499 * This function is called when the regulatory domain is changed due to the
500 * following reasons -
501 * - Set by driver
502 * - Set by system core
503 * - Set by user
504 * - Set bt Country IE
505 */
506 static void mwifiex_reg_notifier(struct wiphy *wiphy,
507 struct regulatory_request *request)
508 {
509 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
510 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
511 MWIFIEX_BSS_ROLE_ANY);
512
513 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
514 request->alpha2[0], request->alpha2[1]);
515
516 switch (request->initiator) {
517 case NL80211_REGDOM_SET_BY_DRIVER:
518 case NL80211_REGDOM_SET_BY_CORE:
519 case NL80211_REGDOM_SET_BY_USER:
520 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
521 break;
522 default:
523 wiphy_err(wiphy, "unknown regdom initiator: %d\n",
524 request->initiator);
525 return;
526 }
527
528 /* Don't send world or same regdom info to firmware */
529 if (strncmp(request->alpha2, "00", 2) &&
530 strncmp(request->alpha2, adapter->country_code,
531 sizeof(request->alpha2))) {
532 memcpy(adapter->country_code, request->alpha2,
533 sizeof(request->alpha2));
534 mwifiex_send_domain_info_cmd_fw(wiphy);
535 mwifiex_dnld_txpwr_table(priv);
536 }
537 }
538
539 /*
540 * This function sets the fragmentation threshold.
541 *
542 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
543 * and MWIFIEX_FRAG_MAX_VALUE.
544 */
545 static int
546 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
547 {
548 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
549 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
550 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
551
552 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
553 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
554 &frag_thr, true);
555 }
556
557 /*
558 * This function sets the RTS threshold.
559
560 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
561 * and MWIFIEX_RTS_MAX_VALUE.
562 */
563 static int
564 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
565 {
566 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
567 rts_thr = MWIFIEX_RTS_MAX_VALUE;
568
569 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
570 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
571 &rts_thr, true);
572 }
573
574 /*
575 * CFG802.11 operation handler to set wiphy parameters.
576 *
577 * This function can be used to set the RTS threshold and the
578 * Fragmentation threshold of the driver.
579 */
580 static int
581 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
582 {
583 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
584 struct mwifiex_private *priv;
585 struct mwifiex_uap_bss_param *bss_cfg;
586 int ret, bss_started, i;
587
588 for (i = 0; i < adapter->priv_num; i++) {
589 priv = adapter->priv[i];
590
591 switch (priv->bss_role) {
592 case MWIFIEX_BSS_ROLE_UAP:
593 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
594 GFP_KERNEL);
595 if (!bss_cfg)
596 return -ENOMEM;
597
598 mwifiex_set_sys_config_invalid_data(bss_cfg);
599
600 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
601 bss_cfg->rts_threshold = wiphy->rts_threshold;
602 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
603 bss_cfg->frag_threshold = wiphy->frag_threshold;
604 if (changed & WIPHY_PARAM_RETRY_LONG)
605 bss_cfg->retry_limit = wiphy->retry_long;
606
607 bss_started = priv->bss_started;
608
609 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
610 HostCmd_ACT_GEN_SET, 0,
611 NULL, true);
612 if (ret) {
613 wiphy_err(wiphy, "Failed to stop the BSS\n");
614 kfree(bss_cfg);
615 return ret;
616 }
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
625 if (ret) {
626 wiphy_err(wiphy, "Failed to set bss config\n");
627 return ret;
628 }
629
630 if (!bss_started)
631 break;
632
633 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
634 HostCmd_ACT_GEN_SET, 0,
635 NULL, false);
636 if (ret) {
637 wiphy_err(wiphy, "Failed to start BSS\n");
638 return ret;
639 }
640
641 break;
642 case MWIFIEX_BSS_ROLE_STA:
643 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
644 ret = mwifiex_set_rts(priv,
645 wiphy->rts_threshold);
646 if (ret)
647 return ret;
648 }
649 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
650 ret = mwifiex_set_frag(priv,
651 wiphy->frag_threshold);
652 if (ret)
653 return ret;
654 }
655 break;
656 }
657 }
658
659 return 0;
660 }
661
662 static int
663 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
664 {
665 u16 mode = P2P_MODE_DISABLE;
666
667 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
668 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
669
670 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
671 HostCmd_ACT_GEN_SET, 0, &mode, true))
672 return -1;
673
674 return 0;
675 }
676
677 /*
678 * This function initializes the functionalities for P2P client.
679 * The P2P client initialization sequence is:
680 * disable -> device -> client
681 */
682 static int
683 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
684 {
685 u16 mode;
686
687 if (mwifiex_cfg80211_deinit_p2p(priv))
688 return -1;
689
690 mode = P2P_MODE_DEVICE;
691 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
692 HostCmd_ACT_GEN_SET, 0, &mode, true))
693 return -1;
694
695 mode = P2P_MODE_CLIENT;
696 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
697 HostCmd_ACT_GEN_SET, 0, &mode, true))
698 return -1;
699
700 return 0;
701 }
702
703 /*
704 * This function initializes the functionalities for P2P GO.
705 * The P2P GO initialization sequence is:
706 * disable -> device -> GO
707 */
708 static int
709 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
710 {
711 u16 mode;
712
713 if (mwifiex_cfg80211_deinit_p2p(priv))
714 return -1;
715
716 mode = P2P_MODE_DEVICE;
717 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
718 HostCmd_ACT_GEN_SET, 0, &mode, true))
719 return -1;
720
721 mode = P2P_MODE_GO;
722 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
723 HostCmd_ACT_GEN_SET, 0, &mode, true))
724 return -1;
725
726 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
727 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
728
729 return 0;
730 }
731
732 /*
733 * CFG802.11 operation handler to change interface type.
734 */
735 static int
736 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
737 struct net_device *dev,
738 enum nl80211_iftype type, u32 *flags,
739 struct vif_params *params)
740 {
741 int ret;
742 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
743
744 switch (dev->ieee80211_ptr->iftype) {
745 case NL80211_IFTYPE_ADHOC:
746 switch (type) {
747 case NL80211_IFTYPE_STATION:
748 break;
749 case NL80211_IFTYPE_UNSPECIFIED:
750 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
751 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
752 return 0;
753 case NL80211_IFTYPE_AP:
754 default:
755 wiphy_err(wiphy, "%s: changing to %d not supported\n",
756 dev->name, type);
757 return -EOPNOTSUPP;
758 }
759 break;
760 case NL80211_IFTYPE_STATION:
761 switch (type) {
762 case NL80211_IFTYPE_ADHOC:
763 break;
764 case NL80211_IFTYPE_P2P_CLIENT:
765 if (mwifiex_cfg80211_init_p2p_client(priv))
766 return -EFAULT;
767 dev->ieee80211_ptr->iftype = type;
768 return 0;
769 case NL80211_IFTYPE_P2P_GO:
770 if (mwifiex_cfg80211_init_p2p_go(priv))
771 return -EFAULT;
772 dev->ieee80211_ptr->iftype = type;
773 return 0;
774 case NL80211_IFTYPE_UNSPECIFIED:
775 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
776 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
777 return 0;
778 case NL80211_IFTYPE_AP:
779 default:
780 wiphy_err(wiphy, "%s: changing to %d not supported\n",
781 dev->name, type);
782 return -EOPNOTSUPP;
783 }
784 break;
785 case NL80211_IFTYPE_AP:
786 switch (type) {
787 case NL80211_IFTYPE_UNSPECIFIED:
788 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
789 case NL80211_IFTYPE_AP: /* This shouldn't happen */
790 return 0;
791 case NL80211_IFTYPE_ADHOC:
792 case NL80211_IFTYPE_STATION:
793 default:
794 wiphy_err(wiphy, "%s: changing to %d not supported\n",
795 dev->name, type);
796 return -EOPNOTSUPP;
797 }
798 break;
799 case NL80211_IFTYPE_P2P_CLIENT:
800 case NL80211_IFTYPE_P2P_GO:
801 switch (type) {
802 case NL80211_IFTYPE_STATION:
803 if (mwifiex_cfg80211_deinit_p2p(priv))
804 return -EFAULT;
805 dev->ieee80211_ptr->iftype = type;
806 return 0;
807 default:
808 return -EOPNOTSUPP;
809 }
810 break;
811 default:
812 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
813 dev->name, dev->ieee80211_ptr->iftype);
814 return -EOPNOTSUPP;
815 }
816
817 dev->ieee80211_ptr->iftype = type;
818 priv->bss_mode = type;
819 mwifiex_deauthenticate(priv, NULL);
820
821 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
822
823 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
824 HostCmd_ACT_GEN_SET, 0, NULL, true);
825
826 return ret;
827 }
828
829 static void
830 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
831 struct rate_info *rate)
832 {
833 struct mwifiex_adapter *adapter = priv->adapter;
834
835 if (adapter->is_hw_11ac_capable) {
836 /* bit[1-0]: 00=LG 01=HT 10=VHT */
837 if (tx_htinfo & BIT(0)) {
838 /* HT */
839 rate->mcs = priv->tx_rate;
840 rate->flags |= RATE_INFO_FLAGS_MCS;
841 }
842 if (tx_htinfo & BIT(1)) {
843 /* VHT */
844 rate->mcs = priv->tx_rate & 0x0F;
845 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
846 }
847
848 if (tx_htinfo & (BIT(1) | BIT(0))) {
849 /* HT or VHT */
850 switch (tx_htinfo & (BIT(3) | BIT(2))) {
851 case 0:
852 /* This will be 20MHz */
853 break;
854 case (BIT(2)):
855 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
856 break;
857 case (BIT(3)):
858 rate->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
859 break;
860 case (BIT(3) | BIT(2)):
861 rate->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
862 break;
863 }
864
865 if (tx_htinfo & BIT(4))
866 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
867
868 if ((priv->tx_rate >> 4) == 1)
869 rate->nss = 2;
870 else
871 rate->nss = 1;
872 }
873 } else {
874 /*
875 * Bit 0 in tx_htinfo indicates that current Tx rate
876 * is 11n rate. Valid MCS index values for us are 0 to 15.
877 */
878 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
879 rate->mcs = priv->tx_rate;
880 rate->flags |= RATE_INFO_FLAGS_MCS;
881 if (tx_htinfo & BIT(1))
882 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
883 if (tx_htinfo & BIT(2))
884 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
885 }
886 }
887 }
888
889 /*
890 * This function dumps the station information on a buffer.
891 *
892 * The following information are shown -
893 * - Total bytes transmitted
894 * - Total bytes received
895 * - Total packets transmitted
896 * - Total packets received
897 * - Signal quality level
898 * - Transmission rate
899 */
900 static int
901 mwifiex_dump_station_info(struct mwifiex_private *priv,
902 struct station_info *sinfo)
903 {
904 u32 rate;
905
906 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
907 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
908 STATION_INFO_TX_BITRATE |
909 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
910
911 /* Get signal information from the firmware */
912 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
913 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
914 dev_err(priv->adapter->dev, "failed to get signal information\n");
915 return -EFAULT;
916 }
917
918 if (mwifiex_drv_get_data_rate(priv, &rate)) {
919 dev_err(priv->adapter->dev, "getting data rate\n");
920 return -EFAULT;
921 }
922
923 /* Get DTIM period information from firmware */
924 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
925 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
926 &priv->dtim_period, true);
927
928 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
929
930 sinfo->signal_avg = priv->bcn_rssi_avg;
931 sinfo->rx_bytes = priv->stats.rx_bytes;
932 sinfo->tx_bytes = priv->stats.tx_bytes;
933 sinfo->rx_packets = priv->stats.rx_packets;
934 sinfo->tx_packets = priv->stats.tx_packets;
935 sinfo->signal = priv->bcn_rssi_avg;
936 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
937 sinfo->txrate.legacy = rate * 5;
938
939 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
940 sinfo->filled |= STATION_INFO_BSS_PARAM;
941 sinfo->bss_param.flags = 0;
942 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
943 WLAN_CAPABILITY_SHORT_PREAMBLE)
944 sinfo->bss_param.flags |=
945 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
946 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
947 WLAN_CAPABILITY_SHORT_SLOT_TIME)
948 sinfo->bss_param.flags |=
949 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
950 sinfo->bss_param.dtim_period = priv->dtim_period;
951 sinfo->bss_param.beacon_interval =
952 priv->curr_bss_params.bss_descriptor.beacon_period;
953 }
954
955 return 0;
956 }
957
958 /*
959 * CFG802.11 operation handler to get station information.
960 *
961 * This function only works in connected mode, and dumps the
962 * requested station information, if available.
963 */
964 static int
965 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
966 const u8 *mac, struct station_info *sinfo)
967 {
968 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
969
970 if (!priv->media_connected)
971 return -ENOENT;
972 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
973 return -ENOENT;
974
975 return mwifiex_dump_station_info(priv, sinfo);
976 }
977
978 /*
979 * CFG802.11 operation handler to dump station information.
980 */
981 static int
982 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
983 int idx, u8 *mac, struct station_info *sinfo)
984 {
985 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
986
987 if (!priv->media_connected || idx)
988 return -ENOENT;
989
990 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
991
992 return mwifiex_dump_station_info(priv, sinfo);
993 }
994
995 /* Supported rates to be advertised to the cfg80211 */
996 static struct ieee80211_rate mwifiex_rates[] = {
997 {.bitrate = 10, .hw_value = 2, },
998 {.bitrate = 20, .hw_value = 4, },
999 {.bitrate = 55, .hw_value = 11, },
1000 {.bitrate = 110, .hw_value = 22, },
1001 {.bitrate = 60, .hw_value = 12, },
1002 {.bitrate = 90, .hw_value = 18, },
1003 {.bitrate = 120, .hw_value = 24, },
1004 {.bitrate = 180, .hw_value = 36, },
1005 {.bitrate = 240, .hw_value = 48, },
1006 {.bitrate = 360, .hw_value = 72, },
1007 {.bitrate = 480, .hw_value = 96, },
1008 {.bitrate = 540, .hw_value = 108, },
1009 };
1010
1011 /* Channel definitions to be advertised to cfg80211 */
1012 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1013 {.center_freq = 2412, .hw_value = 1, },
1014 {.center_freq = 2417, .hw_value = 2, },
1015 {.center_freq = 2422, .hw_value = 3, },
1016 {.center_freq = 2427, .hw_value = 4, },
1017 {.center_freq = 2432, .hw_value = 5, },
1018 {.center_freq = 2437, .hw_value = 6, },
1019 {.center_freq = 2442, .hw_value = 7, },
1020 {.center_freq = 2447, .hw_value = 8, },
1021 {.center_freq = 2452, .hw_value = 9, },
1022 {.center_freq = 2457, .hw_value = 10, },
1023 {.center_freq = 2462, .hw_value = 11, },
1024 {.center_freq = 2467, .hw_value = 12, },
1025 {.center_freq = 2472, .hw_value = 13, },
1026 {.center_freq = 2484, .hw_value = 14, },
1027 };
1028
1029 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1030 .channels = mwifiex_channels_2ghz,
1031 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1032 .bitrates = mwifiex_rates,
1033 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1034 };
1035
1036 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1037 {.center_freq = 5040, .hw_value = 8, },
1038 {.center_freq = 5060, .hw_value = 12, },
1039 {.center_freq = 5080, .hw_value = 16, },
1040 {.center_freq = 5170, .hw_value = 34, },
1041 {.center_freq = 5190, .hw_value = 38, },
1042 {.center_freq = 5210, .hw_value = 42, },
1043 {.center_freq = 5230, .hw_value = 46, },
1044 {.center_freq = 5180, .hw_value = 36, },
1045 {.center_freq = 5200, .hw_value = 40, },
1046 {.center_freq = 5220, .hw_value = 44, },
1047 {.center_freq = 5240, .hw_value = 48, },
1048 {.center_freq = 5260, .hw_value = 52, },
1049 {.center_freq = 5280, .hw_value = 56, },
1050 {.center_freq = 5300, .hw_value = 60, },
1051 {.center_freq = 5320, .hw_value = 64, },
1052 {.center_freq = 5500, .hw_value = 100, },
1053 {.center_freq = 5520, .hw_value = 104, },
1054 {.center_freq = 5540, .hw_value = 108, },
1055 {.center_freq = 5560, .hw_value = 112, },
1056 {.center_freq = 5580, .hw_value = 116, },
1057 {.center_freq = 5600, .hw_value = 120, },
1058 {.center_freq = 5620, .hw_value = 124, },
1059 {.center_freq = 5640, .hw_value = 128, },
1060 {.center_freq = 5660, .hw_value = 132, },
1061 {.center_freq = 5680, .hw_value = 136, },
1062 {.center_freq = 5700, .hw_value = 140, },
1063 {.center_freq = 5745, .hw_value = 149, },
1064 {.center_freq = 5765, .hw_value = 153, },
1065 {.center_freq = 5785, .hw_value = 157, },
1066 {.center_freq = 5805, .hw_value = 161, },
1067 {.center_freq = 5825, .hw_value = 165, },
1068 };
1069
1070 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1071 .channels = mwifiex_channels_5ghz,
1072 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1073 .bitrates = mwifiex_rates + 4,
1074 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1075 };
1076
1077
1078 /* Supported crypto cipher suits to be advertised to cfg80211 */
1079 static const u32 mwifiex_cipher_suites[] = {
1080 WLAN_CIPHER_SUITE_WEP40,
1081 WLAN_CIPHER_SUITE_WEP104,
1082 WLAN_CIPHER_SUITE_TKIP,
1083 WLAN_CIPHER_SUITE_CCMP,
1084 WLAN_CIPHER_SUITE_AES_CMAC,
1085 };
1086
1087 /* Supported mgmt frame types to be advertised to cfg80211 */
1088 static const struct ieee80211_txrx_stypes
1089 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1090 [NL80211_IFTYPE_STATION] = {
1091 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1092 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1093 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1094 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1095 },
1096 [NL80211_IFTYPE_AP] = {
1097 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1098 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1099 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1100 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1101 },
1102 [NL80211_IFTYPE_P2P_CLIENT] = {
1103 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1104 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1105 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1106 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1107 },
1108 [NL80211_IFTYPE_P2P_GO] = {
1109 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1110 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1111 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1112 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1113 },
1114 };
1115
1116 /*
1117 * CFG802.11 operation handler for setting bit rates.
1118 *
1119 * Function configures data rates to firmware using bitrate mask
1120 * provided by cfg80211.
1121 */
1122 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1123 struct net_device *dev,
1124 const u8 *peer,
1125 const struct cfg80211_bitrate_mask *mask)
1126 {
1127 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1128 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1129 enum ieee80211_band band;
1130 struct mwifiex_adapter *adapter = priv->adapter;
1131
1132 if (!priv->media_connected) {
1133 dev_err(adapter->dev,
1134 "Can not set Tx data rate in disconnected state\n");
1135 return -EINVAL;
1136 }
1137
1138 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1139
1140 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1141
1142 /* Fill HR/DSSS rates. */
1143 if (band == IEEE80211_BAND_2GHZ)
1144 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1145
1146 /* Fill OFDM rates */
1147 if (band == IEEE80211_BAND_2GHZ)
1148 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1149 else
1150 bitmap_rates[1] = mask->control[band].legacy;
1151
1152 /* Fill HT MCS rates */
1153 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1154 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1155 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1156
1157 /* Fill VHT MCS rates */
1158 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1159 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1160 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1161 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1162 }
1163
1164 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1165 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
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(priv,
1195 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1196 0, 0, &subsc_evt, true);
1197 } else {
1198 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1199 return mwifiex_send_cmd(priv,
1200 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1201 0, 0, &subsc_evt, true);
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 /* cfg80211 operation handler for del_station.
1235 * Function deauthenticates station which value is provided in mac parameter.
1236 * If mac is NULL/broadcast, all stations in associated station list are
1237 * deauthenticated. If bss is not started or there are no stations in
1238 * associated stations list, no action is taken.
1239 */
1240 static int
1241 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1242 const u8 *mac)
1243 {
1244 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1245 struct mwifiex_sta_node *sta_node;
1246 unsigned long flags;
1247
1248 if (list_empty(&priv->sta_list) || !priv->bss_started)
1249 return 0;
1250
1251 if (!mac || is_broadcast_ether_addr(mac)) {
1252 wiphy_dbg(wiphy, "%s: NULL/broadcast mac address\n", __func__);
1253 list_for_each_entry(sta_node, &priv->sta_list, list) {
1254 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1255 HostCmd_ACT_GEN_SET, 0,
1256 sta_node->mac_addr, true))
1257 return -1;
1258 mwifiex_uap_del_sta_data(priv, sta_node);
1259 }
1260 } else {
1261 wiphy_dbg(wiphy, "%s: mac address %pM\n", __func__, mac);
1262 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1263 sta_node = mwifiex_get_sta_entry(priv, mac);
1264 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1265 if (sta_node) {
1266 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1267 HostCmd_ACT_GEN_SET, 0,
1268 sta_node->mac_addr, true))
1269 return -1;
1270 mwifiex_uap_del_sta_data(priv, sta_node);
1271 }
1272 }
1273
1274 return 0;
1275 }
1276
1277 static int
1278 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1279 {
1280 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1281 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1282 MWIFIEX_BSS_ROLE_ANY);
1283 struct mwifiex_ds_ant_cfg ant_cfg;
1284
1285 if (!tx_ant || !rx_ant)
1286 return -EOPNOTSUPP;
1287
1288 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1289 /* Not a MIMO chip. User should provide specific antenna number
1290 * for Tx/Rx path or enable all antennas for diversity
1291 */
1292 if (tx_ant != rx_ant)
1293 return -EOPNOTSUPP;
1294
1295 if ((tx_ant & (tx_ant - 1)) &&
1296 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1297 return -EOPNOTSUPP;
1298
1299 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1300 (priv->adapter->number_of_antenna > 1)) {
1301 tx_ant = RF_ANTENNA_AUTO;
1302 rx_ant = RF_ANTENNA_AUTO;
1303 }
1304 } else {
1305 struct ieee80211_sta_ht_cap *ht_info;
1306 int rx_mcs_supp;
1307 enum ieee80211_band band;
1308
1309 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1310 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1311 if (adapter->is_hw_11ac_capable)
1312 adapter->usr_dot_11ac_mcs_support =
1313 MWIFIEX_11AC_MCS_MAP_1X1;
1314 } else {
1315 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1316 if (adapter->is_hw_11ac_capable)
1317 adapter->usr_dot_11ac_mcs_support =
1318 MWIFIEX_11AC_MCS_MAP_2X2;
1319 }
1320
1321 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1322 if (!adapter->wiphy->bands[band])
1323 continue;
1324
1325 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1326 rx_mcs_supp =
1327 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1328 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1329 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1330 }
1331 }
1332
1333 ant_cfg.tx_ant = tx_ant;
1334 ant_cfg.rx_ant = rx_ant;
1335
1336 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1337 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1338 }
1339
1340 /* cfg80211 operation handler for stop ap.
1341 * Function stops BSS running at uAP interface.
1342 */
1343 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1344 {
1345 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1346
1347 if (mwifiex_del_mgmt_ies(priv))
1348 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
1349
1350 priv->ap_11n_enabled = 0;
1351
1352 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1353 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1354 wiphy_err(wiphy, "Failed to stop the BSS\n");
1355 return -1;
1356 }
1357
1358 return 0;
1359 }
1360
1361 /* cfg80211 operation handler for start_ap.
1362 * Function sets beacon period, DTIM period, SSID and security into
1363 * AP config structure.
1364 * AP is configured with these settings and BSS is started.
1365 */
1366 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1367 struct net_device *dev,
1368 struct cfg80211_ap_settings *params)
1369 {
1370 struct mwifiex_uap_bss_param *bss_cfg;
1371 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1372 u8 config_bands = 0;
1373
1374 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1375 return -1;
1376 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
1377 return -1;
1378
1379 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1380 if (!bss_cfg)
1381 return -ENOMEM;
1382
1383 mwifiex_set_sys_config_invalid_data(bss_cfg);
1384
1385 if (params->beacon_interval)
1386 bss_cfg->beacon_period = params->beacon_interval;
1387 if (params->dtim_period)
1388 bss_cfg->dtim_period = params->dtim_period;
1389
1390 if (params->ssid && params->ssid_len) {
1391 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1392 bss_cfg->ssid.ssid_len = params->ssid_len;
1393 }
1394
1395 switch (params->hidden_ssid) {
1396 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1397 bss_cfg->bcast_ssid_ctl = 1;
1398 break;
1399 case NL80211_HIDDEN_SSID_ZERO_LEN:
1400 bss_cfg->bcast_ssid_ctl = 0;
1401 break;
1402 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1403 /* firmware doesn't support this type of hidden SSID */
1404 default:
1405 kfree(bss_cfg);
1406 return -EINVAL;
1407 }
1408
1409 bss_cfg->channel = ieee80211_frequency_to_channel(
1410 params->chandef.chan->center_freq);
1411
1412 /* Set appropriate bands */
1413 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1414 bss_cfg->band_cfg = BAND_CONFIG_BG;
1415 config_bands = BAND_B | BAND_G;
1416
1417 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1418 config_bands |= BAND_GN;
1419 } else {
1420 bss_cfg->band_cfg = BAND_CONFIG_A;
1421 config_bands = BAND_A;
1422
1423 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1424 config_bands |= BAND_AN;
1425
1426 if (params->chandef.width > NL80211_CHAN_WIDTH_40)
1427 config_bands |= BAND_AAC;
1428 }
1429
1430 if (!((config_bands | priv->adapter->fw_bands) &
1431 ~priv->adapter->fw_bands))
1432 priv->adapter->config_bands = config_bands;
1433
1434 mwifiex_set_uap_rates(bss_cfg, params);
1435 mwifiex_send_domain_info_cmd_fw(wiphy);
1436
1437 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1438 kfree(bss_cfg);
1439 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1440 return -1;
1441 }
1442
1443 mwifiex_set_ht_params(priv, bss_cfg, params);
1444
1445 if (priv->adapter->is_hw_11ac_capable) {
1446 mwifiex_set_vht_params(priv, bss_cfg, params);
1447 mwifiex_set_vht_width(priv, params->chandef.width,
1448 priv->ap_11ac_enabled);
1449 }
1450
1451 if (priv->ap_11ac_enabled)
1452 mwifiex_set_11ac_ba_params(priv);
1453 else
1454 mwifiex_set_ba_params(priv);
1455
1456 mwifiex_set_wmm_params(priv, bss_cfg, params);
1457
1458 if (params->inactivity_timeout > 0) {
1459 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1460 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1461 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1462 }
1463
1464 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1465 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1466 wiphy_err(wiphy, "Failed to stop the BSS\n");
1467 kfree(bss_cfg);
1468 return -1;
1469 }
1470
1471 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
1472 HostCmd_ACT_GEN_SET,
1473 UAP_BSS_PARAMS_I, bss_cfg, false)) {
1474 wiphy_err(wiphy, "Failed to set the SSID\n");
1475 kfree(bss_cfg);
1476 return -1;
1477 }
1478
1479 kfree(bss_cfg);
1480
1481 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
1482 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
1483 wiphy_err(wiphy, "Failed to start the BSS\n");
1484 return -1;
1485 }
1486
1487 if (priv->sec_info.wep_enabled)
1488 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1489 else
1490 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1491
1492 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
1493 HostCmd_ACT_GEN_SET, 0,
1494 &priv->curr_pkt_filter, true))
1495 return -1;
1496
1497 return 0;
1498 }
1499
1500 /*
1501 * CFG802.11 operation handler for disconnection request.
1502 *
1503 * This function does not work when there is already a disconnection
1504 * procedure going on.
1505 */
1506 static int
1507 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1508 u16 reason_code)
1509 {
1510 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1511
1512 if (mwifiex_deauthenticate(priv, NULL))
1513 return -EFAULT;
1514
1515 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1516 " reason code %d\n", priv->cfg_bssid, reason_code);
1517
1518 memset(priv->cfg_bssid, 0, ETH_ALEN);
1519 priv->hs2_enabled = false;
1520
1521 return 0;
1522 }
1523
1524 /*
1525 * This function informs the CFG802.11 subsystem of a new IBSS.
1526 *
1527 * The following information are sent to the CFG802.11 subsystem
1528 * to register the new IBSS. If we do not register the new IBSS,
1529 * a kernel panic will result.
1530 * - SSID
1531 * - SSID length
1532 * - BSSID
1533 * - Channel
1534 */
1535 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1536 {
1537 struct ieee80211_channel *chan;
1538 struct mwifiex_bss_info bss_info;
1539 struct cfg80211_bss *bss;
1540 int ie_len;
1541 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1542 enum ieee80211_band band;
1543
1544 if (mwifiex_get_bss_info(priv, &bss_info))
1545 return -1;
1546
1547 ie_buf[0] = WLAN_EID_SSID;
1548 ie_buf[1] = bss_info.ssid.ssid_len;
1549
1550 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
1551 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
1552 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1553
1554 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1555 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1556 ieee80211_channel_to_frequency(bss_info.bss_chan,
1557 band));
1558
1559 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
1560 CFG80211_BSS_FTYPE_UNKNOWN,
1561 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1562 0, ie_buf, ie_len, 0, GFP_KERNEL);
1563 cfg80211_put_bss(priv->wdev->wiphy, bss);
1564 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1565
1566 return 0;
1567 }
1568
1569 /*
1570 * This function connects with a BSS.
1571 *
1572 * This function handles both Infra and Ad-Hoc modes. It also performs
1573 * validity checking on the provided parameters, disconnects from the
1574 * current BSS (if any), sets up the association/scan parameters,
1575 * including security settings, and performs specific SSID scan before
1576 * trying to connect.
1577 *
1578 * For Infra mode, the function returns failure if the specified SSID
1579 * is not found in scan table. However, for Ad-Hoc mode, it can create
1580 * the IBSS if it does not exist. On successful completion in either case,
1581 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1582 */
1583 static int
1584 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
1585 const u8 *ssid, const u8 *bssid, int mode,
1586 struct ieee80211_channel *channel,
1587 struct cfg80211_connect_params *sme, bool privacy)
1588 {
1589 struct cfg80211_ssid req_ssid;
1590 int ret, auth_type = 0;
1591 struct cfg80211_bss *bss = NULL;
1592 u8 is_scanning_required = 0;
1593
1594 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
1595
1596 req_ssid.ssid_len = ssid_len;
1597 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1598 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1599 return -EINVAL;
1600 }
1601
1602 memcpy(req_ssid.ssid, ssid, ssid_len);
1603 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1604 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1605 return -EINVAL;
1606 }
1607
1608 /* As this is new association, clear locally stored
1609 * keys and security related flags */
1610 priv->sec_info.wpa_enabled = false;
1611 priv->sec_info.wpa2_enabled = false;
1612 priv->wep_key_curr_index = 0;
1613 priv->sec_info.encryption_mode = 0;
1614 priv->sec_info.is_authtype_auto = 0;
1615 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
1616
1617 if (mode == NL80211_IFTYPE_ADHOC) {
1618 /* "privacy" is set only for ad-hoc mode */
1619 if (privacy) {
1620 /*
1621 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1622 * the firmware can find a matching network from the
1623 * scan. The cfg80211 does not give us the encryption
1624 * mode at this stage so just setting it to WEP here.
1625 */
1626 priv->sec_info.encryption_mode =
1627 WLAN_CIPHER_SUITE_WEP104;
1628 priv->sec_info.authentication_mode =
1629 NL80211_AUTHTYPE_OPEN_SYSTEM;
1630 }
1631
1632 goto done;
1633 }
1634
1635 /* Now handle infra mode. "sme" is valid for infra mode only */
1636 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
1637 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1638 priv->sec_info.is_authtype_auto = 1;
1639 } else {
1640 auth_type = sme->auth_type;
1641 }
1642
1643 if (sme->crypto.n_ciphers_pairwise) {
1644 priv->sec_info.encryption_mode =
1645 sme->crypto.ciphers_pairwise[0];
1646 priv->sec_info.authentication_mode = auth_type;
1647 }
1648
1649 if (sme->crypto.cipher_group) {
1650 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
1651 priv->sec_info.authentication_mode = auth_type;
1652 }
1653 if (sme->ie)
1654 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1655
1656 if (sme->key) {
1657 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
1658 dev_dbg(priv->adapter->dev,
1659 "info: setting wep encryption"
1660 " with key len %d\n", sme->key_len);
1661 priv->wep_key_curr_index = sme->key_idx;
1662 ret = mwifiex_set_encode(priv, NULL, sme->key,
1663 sme->key_len, sme->key_idx,
1664 NULL, 0);
1665 }
1666 }
1667 done:
1668 /*
1669 * Scan entries are valid for some time (15 sec). So we can save one
1670 * active scan time if we just try cfg80211_get_bss first. If it fails
1671 * then request scan and cfg80211_get_bss() again for final output.
1672 */
1673 while (1) {
1674 if (is_scanning_required) {
1675 /* Do specific SSID scanning */
1676 if (mwifiex_request_scan(priv, &req_ssid)) {
1677 dev_err(priv->adapter->dev, "scan error\n");
1678 return -EFAULT;
1679 }
1680 }
1681
1682 /* Find the BSS we want using available scan results */
1683 if (mode == NL80211_IFTYPE_ADHOC)
1684 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1685 bssid, ssid, ssid_len,
1686 WLAN_CAPABILITY_IBSS,
1687 WLAN_CAPABILITY_IBSS);
1688 else
1689 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1690 bssid, ssid, ssid_len,
1691 WLAN_CAPABILITY_ESS,
1692 WLAN_CAPABILITY_ESS);
1693
1694 if (!bss) {
1695 if (is_scanning_required) {
1696 dev_warn(priv->adapter->dev,
1697 "assoc: requested bss not found in scan results\n");
1698 break;
1699 }
1700 is_scanning_required = 1;
1701 } else {
1702 dev_dbg(priv->adapter->dev,
1703 "info: trying to associate to '%s' bssid %pM\n",
1704 (char *) req_ssid.ssid, bss->bssid);
1705 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1706 break;
1707 }
1708 }
1709
1710 ret = mwifiex_bss_start(priv, bss, &req_ssid);
1711 if (ret)
1712 return ret;
1713
1714 if (mode == NL80211_IFTYPE_ADHOC) {
1715 /* Inform the BSS information to kernel, otherwise
1716 * kernel will give a panic after successful assoc */
1717 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1718 return -EFAULT;
1719 }
1720
1721 return ret;
1722 }
1723
1724 /*
1725 * CFG802.11 operation handler for association request.
1726 *
1727 * This function does not work when the current mode is set to Ad-Hoc, or
1728 * when there is already an association procedure going on. The given BSS
1729 * information is used to associate.
1730 */
1731 static int
1732 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1733 struct cfg80211_connect_params *sme)
1734 {
1735 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1736 int ret;
1737
1738 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
1739 wiphy_err(wiphy,
1740 "%s: reject infra assoc request in non-STA role\n",
1741 dev->name);
1742 return -EINVAL;
1743 }
1744
1745 if (priv->wdev && priv->wdev->current_bss) {
1746 wiphy_warn(wiphy, "%s: already connected\n", dev->name);
1747 return -EALREADY;
1748 }
1749
1750 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
1751 (char *) sme->ssid, sme->bssid);
1752
1753 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
1754 priv->bss_mode, sme->channel, sme, 0);
1755 if (!ret) {
1756 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1757 NULL, 0, WLAN_STATUS_SUCCESS,
1758 GFP_KERNEL);
1759 dev_dbg(priv->adapter->dev,
1760 "info: associated to bssid %pM successfully\n",
1761 priv->cfg_bssid);
1762 } else {
1763 dev_dbg(priv->adapter->dev,
1764 "info: association to bssid %pM failed\n",
1765 priv->cfg_bssid);
1766 memset(priv->cfg_bssid, 0, ETH_ALEN);
1767
1768 if (ret > 0)
1769 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1770 NULL, 0, NULL, 0, ret,
1771 GFP_KERNEL);
1772 else
1773 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1774 NULL, 0, NULL, 0,
1775 WLAN_STATUS_UNSPECIFIED_FAILURE,
1776 GFP_KERNEL);
1777 }
1778
1779 return 0;
1780 }
1781
1782 /*
1783 * This function sets following parameters for ibss network.
1784 * - channel
1785 * - start band
1786 * - 11n flag
1787 * - secondary channel offset
1788 */
1789 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
1790 struct cfg80211_ibss_params *params)
1791 {
1792 struct wiphy *wiphy = priv->wdev->wiphy;
1793 struct mwifiex_adapter *adapter = priv->adapter;
1794 int index = 0, i;
1795 u8 config_bands = 0;
1796
1797 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1798 if (!params->basic_rates) {
1799 config_bands = BAND_B | BAND_G;
1800 } else {
1801 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
1802 /*
1803 * Rates below 6 Mbps in the table are CCK
1804 * rates; 802.11b and from 6 they are OFDM;
1805 * 802.11G
1806 */
1807 if (mwifiex_rates[i].bitrate == 60) {
1808 index = 1 << i;
1809 break;
1810 }
1811 }
1812
1813 if (params->basic_rates < index) {
1814 config_bands = BAND_B;
1815 } else {
1816 config_bands = BAND_G;
1817 if (params->basic_rates % index)
1818 config_bands |= BAND_B;
1819 }
1820 }
1821
1822 if (cfg80211_get_chandef_type(&params->chandef) !=
1823 NL80211_CHAN_NO_HT)
1824 config_bands |= BAND_G | BAND_GN;
1825 } else {
1826 if (cfg80211_get_chandef_type(&params->chandef) ==
1827 NL80211_CHAN_NO_HT)
1828 config_bands = BAND_A;
1829 else
1830 config_bands = BAND_AN | BAND_A;
1831 }
1832
1833 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
1834 adapter->config_bands = config_bands;
1835 adapter->adhoc_start_band = config_bands;
1836
1837 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
1838 adapter->adhoc_11n_enabled = true;
1839 else
1840 adapter->adhoc_11n_enabled = false;
1841 }
1842
1843 adapter->sec_chan_offset =
1844 mwifiex_chan_type_to_sec_chan_offset(
1845 cfg80211_get_chandef_type(&params->chandef));
1846 priv->adhoc_channel = ieee80211_frequency_to_channel(
1847 params->chandef.chan->center_freq);
1848
1849 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
1850 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
1851
1852 return 0;
1853 }
1854
1855 /*
1856 * CFG802.11 operation handler to join an IBSS.
1857 *
1858 * This function does not work in any mode other than Ad-Hoc, or if
1859 * a join operation is already in progress.
1860 */
1861 static int
1862 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1863 struct cfg80211_ibss_params *params)
1864 {
1865 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1866 int ret = 0;
1867
1868 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
1869 wiphy_err(wiphy, "request to join ibss received "
1870 "when station is not in ibss mode\n");
1871 goto done;
1872 }
1873
1874 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1875 (char *) params->ssid, params->bssid);
1876
1877 mwifiex_set_ibss_params(priv, params);
1878
1879 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
1880 params->bssid, priv->bss_mode,
1881 params->chandef.chan, NULL,
1882 params->privacy);
1883 done:
1884 if (!ret) {
1885 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
1886 params->chandef.chan, GFP_KERNEL);
1887 dev_dbg(priv->adapter->dev,
1888 "info: joined/created adhoc network with bssid"
1889 " %pM successfully\n", priv->cfg_bssid);
1890 } else {
1891 dev_dbg(priv->adapter->dev,
1892 "info: failed creating/joining adhoc network\n");
1893 }
1894
1895 return ret;
1896 }
1897
1898 /*
1899 * CFG802.11 operation handler to leave an IBSS.
1900 *
1901 * This function does not work if a leave operation is
1902 * already in progress.
1903 */
1904 static int
1905 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1906 {
1907 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1908
1909 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1910 priv->cfg_bssid);
1911 if (mwifiex_deauthenticate(priv, NULL))
1912 return -EFAULT;
1913
1914 memset(priv->cfg_bssid, 0, ETH_ALEN);
1915
1916 return 0;
1917 }
1918
1919 /*
1920 * CFG802.11 operation handler for scan request.
1921 *
1922 * This function issues a scan request to the firmware based upon
1923 * the user specified scan configuration. On successfull completion,
1924 * it also informs the results.
1925 */
1926 static int
1927 mwifiex_cfg80211_scan(struct wiphy *wiphy,
1928 struct cfg80211_scan_request *request)
1929 {
1930 struct net_device *dev = request->wdev->netdev;
1931 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1932 int i, offset, ret;
1933 struct ieee80211_channel *chan;
1934 struct ieee_types_header *ie;
1935 struct mwifiex_user_scan_cfg *user_scan_cfg;
1936
1937 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1938
1939 /* Block scan request if scan operation or scan cleanup when interface
1940 * is disabled is in process
1941 */
1942 if (priv->scan_request || priv->scan_aborting) {
1943 dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
1944 return -EBUSY;
1945 }
1946
1947 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
1948 if (!user_scan_cfg)
1949 return -ENOMEM;
1950
1951 priv->scan_request = request;
1952
1953 user_scan_cfg->num_ssids = request->n_ssids;
1954 user_scan_cfg->ssid_list = request->ssids;
1955
1956 if (request->ie && request->ie_len) {
1957 offset = 0;
1958 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1959 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1960 continue;
1961 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
1962 ie = (struct ieee_types_header *)(request->ie + offset);
1963 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
1964 offset += sizeof(*ie) + ie->len;
1965
1966 if (offset >= request->ie_len)
1967 break;
1968 }
1969 }
1970
1971 for (i = 0; i < min_t(u32, request->n_channels,
1972 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
1973 chan = request->channels[i];
1974 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1975 user_scan_cfg->chan_list[i].radio_type = chan->band;
1976
1977 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
1978 user_scan_cfg->chan_list[i].scan_type =
1979 MWIFIEX_SCAN_TYPE_PASSIVE;
1980 else
1981 user_scan_cfg->chan_list[i].scan_type =
1982 MWIFIEX_SCAN_TYPE_ACTIVE;
1983
1984 user_scan_cfg->chan_list[i].scan_time = 0;
1985 }
1986
1987 if (priv->adapter->scan_chan_gap_enabled &&
1988 mwifiex_is_any_intf_active(priv))
1989 user_scan_cfg->scan_chan_gap =
1990 priv->adapter->scan_chan_gap_time;
1991
1992 ret = mwifiex_scan_networks(priv, user_scan_cfg);
1993 kfree(user_scan_cfg);
1994 if (ret) {
1995 dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
1996 priv->scan_aborting = false;
1997 priv->scan_request = NULL;
1998 return ret;
1999 }
2000
2001 if (request->ie && request->ie_len) {
2002 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2003 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2004 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2005 memset(&priv->vs_ie[i].ie, 0,
2006 MWIFIEX_MAX_VSIE_LEN);
2007 }
2008 }
2009 }
2010 return 0;
2011 }
2012
2013 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2014 struct mwifiex_private *priv)
2015 {
2016 struct mwifiex_adapter *adapter = priv->adapter;
2017
2018 vht_info->vht_supported = true;
2019
2020 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2021 /* Update MCS support for VHT */
2022 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2023 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2024 vht_info->vht_mcs.rx_highest = 0;
2025 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2026 adapter->hw_dot_11ac_mcs_support >> 16);
2027 vht_info->vht_mcs.tx_highest = 0;
2028 }
2029
2030 /*
2031 * This function sets up the CFG802.11 specific HT capability fields
2032 * with default values.
2033 *
2034 * The following default values are set -
2035 * - HT Supported = True
2036 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2037 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2038 * - HT Capabilities supported by firmware
2039 * - MCS information, Rx mask = 0xff
2040 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2041 */
2042 static void
2043 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2044 struct mwifiex_private *priv)
2045 {
2046 int rx_mcs_supp;
2047 struct ieee80211_mcs_info mcs_set;
2048 u8 *mcs = (u8 *)&mcs_set;
2049 struct mwifiex_adapter *adapter = priv->adapter;
2050
2051 ht_info->ht_supported = true;
2052 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2053 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2054
2055 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2056
2057 /* Fill HT capability information */
2058 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2059 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2060 else
2061 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2062
2063 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2064 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2065 else
2066 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2067
2068 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2069 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2070 else
2071 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2072
2073 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2074 ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2075 else
2076 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2077
2078 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2079 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2080 else
2081 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2082
2083 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2084 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2085 else
2086 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2087
2088 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2089 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2090 else
2091 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2092
2093 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2094 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2095 else
2096 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2097
2098 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2099 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2100
2101 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2102 /* Set MCS for 1x1/2x2 */
2103 memset(mcs, 0xff, rx_mcs_supp);
2104 /* Clear all the other values */
2105 memset(&mcs[rx_mcs_supp], 0,
2106 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2107 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2108 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2109 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2110 SETHT_MCS32(mcs_set.rx_mask);
2111
2112 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2113
2114 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2115 }
2116
2117 /*
2118 * create a new virtual interface with the given name
2119 */
2120 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2121 const char *name,
2122 enum nl80211_iftype type,
2123 u32 *flags,
2124 struct vif_params *params)
2125 {
2126 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2127 struct mwifiex_private *priv;
2128 struct net_device *dev;
2129 void *mdev_priv;
2130 struct wireless_dev *wdev;
2131
2132 if (!adapter)
2133 return ERR_PTR(-EFAULT);
2134
2135 switch (type) {
2136 case NL80211_IFTYPE_UNSPECIFIED:
2137 case NL80211_IFTYPE_STATION:
2138 case NL80211_IFTYPE_ADHOC:
2139 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2140 if (priv->bss_mode) {
2141 wiphy_err(wiphy,
2142 "cannot create multiple sta/adhoc ifaces\n");
2143 return ERR_PTR(-EINVAL);
2144 }
2145
2146 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2147 if (!wdev)
2148 return ERR_PTR(-ENOMEM);
2149
2150 wdev->wiphy = wiphy;
2151 priv->wdev = wdev;
2152 wdev->iftype = NL80211_IFTYPE_STATION;
2153
2154 if (type == NL80211_IFTYPE_UNSPECIFIED)
2155 priv->bss_mode = NL80211_IFTYPE_STATION;
2156 else
2157 priv->bss_mode = type;
2158
2159 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2160 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2161 priv->bss_priority = 0;
2162 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2163 priv->bss_num = 0;
2164
2165 break;
2166 case NL80211_IFTYPE_AP:
2167 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
2168
2169 if (priv->bss_mode) {
2170 wiphy_err(wiphy, "Can't create multiple AP interfaces");
2171 return ERR_PTR(-EINVAL);
2172 }
2173
2174 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2175 if (!wdev)
2176 return ERR_PTR(-ENOMEM);
2177
2178 priv->wdev = wdev;
2179 wdev->wiphy = wiphy;
2180 wdev->iftype = NL80211_IFTYPE_AP;
2181
2182 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2183 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2184 priv->bss_priority = 0;
2185 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2186 priv->bss_started = 0;
2187 priv->bss_num = 0;
2188 priv->bss_mode = type;
2189
2190 break;
2191 case NL80211_IFTYPE_P2P_CLIENT:
2192 priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
2193
2194 if (priv->bss_mode) {
2195 wiphy_err(wiphy, "Can't create multiple P2P ifaces");
2196 return ERR_PTR(-EINVAL);
2197 }
2198
2199 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2200 if (!wdev)
2201 return ERR_PTR(-ENOMEM);
2202
2203 priv->wdev = wdev;
2204 wdev->wiphy = wiphy;
2205
2206 /* At start-up, wpa_supplicant tries to change the interface
2207 * to NL80211_IFTYPE_STATION if it is not managed mode.
2208 */
2209 wdev->iftype = NL80211_IFTYPE_P2P_CLIENT;
2210 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2211
2212 /* Setting bss_type to P2P tells firmware that this interface
2213 * is receiving P2P peers found during find phase and doing
2214 * action frame handshake.
2215 */
2216 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2217
2218 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2219 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2220 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2221 priv->bss_started = 0;
2222 priv->bss_num = 0;
2223
2224 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2225 wdev = ERR_PTR(-EFAULT);
2226 goto done;
2227 }
2228
2229 break;
2230 default:
2231 wiphy_err(wiphy, "type not supported\n");
2232 return ERR_PTR(-EINVAL);
2233 }
2234
2235 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2236 NET_NAME_UNKNOWN, ether_setup,
2237 IEEE80211_NUM_ACS, 1);
2238 if (!dev) {
2239 wiphy_err(wiphy, "no memory available for netdevice\n");
2240 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2241 wdev = ERR_PTR(-ENOMEM);
2242 goto done;
2243 }
2244
2245 mwifiex_init_priv_params(priv, dev);
2246 priv->netdev = dev;
2247
2248 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
2249 if (adapter->is_hw_11ac_capable)
2250 mwifiex_setup_vht_caps(
2251 &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
2252
2253 if (adapter->config_bands & BAND_A)
2254 mwifiex_setup_ht_caps(
2255 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2256
2257 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2258 mwifiex_setup_vht_caps(
2259 &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);
2260
2261 dev_net_set(dev, wiphy_net(wiphy));
2262 dev->ieee80211_ptr = priv->wdev;
2263 dev->ieee80211_ptr->iftype = priv->bss_mode;
2264 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
2265 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2266
2267 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2268 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2269 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2270 dev->ethtool_ops = &mwifiex_ethtool_ops;
2271
2272 mdev_priv = netdev_priv(dev);
2273 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2274
2275 SET_NETDEV_DEV(dev, adapter->dev);
2276
2277 /* Register network device */
2278 if (register_netdevice(dev)) {
2279 wiphy_err(wiphy, "cannot register virtual network device\n");
2280 free_netdev(dev);
2281 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2282 priv->netdev = NULL;
2283 wdev = ERR_PTR(-EFAULT);
2284 goto done;
2285 }
2286
2287 sema_init(&priv->async_sem, 1);
2288
2289 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
2290
2291 #ifdef CONFIG_DEBUG_FS
2292 mwifiex_dev_debugfs_init(priv);
2293 #endif
2294
2295 done:
2296 if (IS_ERR(wdev)) {
2297 kfree(priv->wdev);
2298 priv->wdev = NULL;
2299 }
2300
2301 return wdev;
2302 }
2303 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2304
2305 /*
2306 * del_virtual_intf: remove the virtual interface determined by dev
2307 */
2308 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
2309 {
2310 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
2311
2312 #ifdef CONFIG_DEBUG_FS
2313 mwifiex_dev_debugfs_remove(priv);
2314 #endif
2315
2316 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
2317
2318 if (netif_carrier_ok(priv->netdev))
2319 netif_carrier_off(priv->netdev);
2320
2321 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2322 unregister_netdevice(wdev->netdev);
2323
2324 /* Clear the priv in adapter */
2325 priv->netdev->ieee80211_ptr = NULL;
2326 priv->netdev = NULL;
2327 kfree(wdev);
2328 priv->wdev = NULL;
2329
2330 priv->media_connected = false;
2331
2332 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2333
2334 return 0;
2335 }
2336 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2337
2338 static bool
2339 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
2340 u8 max_byte_seq)
2341 {
2342 int j, k, valid_byte_cnt = 0;
2343 bool dont_care_byte = false;
2344
2345 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
2346 for (k = 0; k < 8; k++) {
2347 if (pat->mask[j] & 1 << k) {
2348 memcpy(byte_seq + valid_byte_cnt,
2349 &pat->pattern[j * 8 + k], 1);
2350 valid_byte_cnt++;
2351 if (dont_care_byte)
2352 return false;
2353 } else {
2354 if (valid_byte_cnt)
2355 dont_care_byte = true;
2356 }
2357
2358 if (valid_byte_cnt > max_byte_seq)
2359 return false;
2360 }
2361 }
2362
2363 byte_seq[max_byte_seq] = valid_byte_cnt;
2364
2365 return true;
2366 }
2367
2368 #ifdef CONFIG_PM
2369 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
2370 struct cfg80211_wowlan *wowlan)
2371 {
2372 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2373 struct mwifiex_ds_mef_cfg mef_cfg;
2374 struct mwifiex_mef_entry *mef_entry;
2375 int i, filt_num = 0, ret;
2376 bool first_pat = true;
2377 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
2378 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2379 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2380 struct mwifiex_private *priv =
2381 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2382
2383 if (!wowlan) {
2384 dev_warn(adapter->dev, "None of the WOWLAN triggers enabled\n");
2385 return 0;
2386 }
2387
2388 if (!priv->media_connected) {
2389 dev_warn(adapter->dev,
2390 "Can not configure WOWLAN in disconnected state\n");
2391 return 0;
2392 }
2393
2394 mef_entry = kzalloc(sizeof(*mef_entry), GFP_KERNEL);
2395 if (!mef_entry)
2396 return -ENOMEM;
2397
2398 memset(&mef_cfg, 0, sizeof(mef_cfg));
2399 mef_cfg.num_entries = 1;
2400 mef_cfg.mef_entry = mef_entry;
2401 mef_entry->mode = MEF_MODE_HOST_SLEEP;
2402 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
2403
2404 for (i = 0; i < wowlan->n_patterns; i++) {
2405 memset(byte_seq, 0, sizeof(byte_seq));
2406 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
2407 byte_seq,
2408 MWIFIEX_MEF_MAX_BYTESEQ)) {
2409 wiphy_err(wiphy, "Pattern not supported\n");
2410 kfree(mef_entry);
2411 return -EOPNOTSUPP;
2412 }
2413
2414 if (!wowlan->patterns[i].pkt_offset) {
2415 if (!(byte_seq[0] & 0x01) &&
2416 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
2417 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2418 continue;
2419 } else if (is_broadcast_ether_addr(byte_seq)) {
2420 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST;
2421 continue;
2422 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
2423 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
2424 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
2425 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
2426 mef_cfg.criteria |= MWIFIEX_CRITERIA_MULTICAST;
2427 continue;
2428 }
2429 }
2430
2431 mef_entry->filter[filt_num].repeat = 1;
2432 mef_entry->filter[filt_num].offset =
2433 wowlan->patterns[i].pkt_offset;
2434 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
2435 sizeof(byte_seq));
2436 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2437
2438 if (first_pat)
2439 first_pat = false;
2440 else
2441 mef_entry->filter[filt_num].filt_action = TYPE_AND;
2442
2443 filt_num++;
2444 }
2445
2446 if (wowlan->magic_pkt) {
2447 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2448 mef_entry->filter[filt_num].repeat = 16;
2449 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
2450 ETH_ALEN);
2451 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
2452 ETH_ALEN;
2453 mef_entry->filter[filt_num].offset = 28;
2454 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2455 if (filt_num)
2456 mef_entry->filter[filt_num].filt_action = TYPE_OR;
2457
2458 filt_num++;
2459 mef_entry->filter[filt_num].repeat = 16;
2460 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
2461 ETH_ALEN);
2462 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
2463 ETH_ALEN;
2464 mef_entry->filter[filt_num].offset = 56;
2465 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2466 mef_entry->filter[filt_num].filt_action = TYPE_OR;
2467 }
2468
2469 if (!mef_cfg.criteria)
2470 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
2471 MWIFIEX_CRITERIA_UNICAST |
2472 MWIFIEX_CRITERIA_MULTICAST;
2473
2474 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
2475 HostCmd_ACT_GEN_SET, 0, &mef_cfg, true);
2476
2477 kfree(mef_entry);
2478 return ret;
2479 }
2480
2481 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
2482 {
2483 return 0;
2484 }
2485
2486 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
2487 bool enabled)
2488 {
2489 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2490
2491 device_set_wakeup_enable(adapter->dev, enabled);
2492 }
2493 #endif
2494
2495 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
2496 {
2497 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2498 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2499 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
2500
2501 if ((byte_seq[0] & 0x01) &&
2502 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
2503 return PACKET_TYPE_UNICAST;
2504 else if (!memcmp(byte_seq, bc_mac, 4))
2505 return PACKET_TYPE_BROADCAST;
2506 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
2507 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
2508 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
2509 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
2510 return PACKET_TYPE_MULTICAST;
2511
2512 return 0;
2513 }
2514
2515 static int
2516 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
2517 struct cfg80211_coalesce_rules *crule,
2518 struct mwifiex_coalesce_rule *mrule)
2519 {
2520 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
2521 struct filt_field_param *param;
2522 int i;
2523
2524 mrule->max_coalescing_delay = crule->delay;
2525
2526 param = mrule->params;
2527
2528 for (i = 0; i < crule->n_patterns; i++) {
2529 memset(byte_seq, 0, sizeof(byte_seq));
2530 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
2531 byte_seq,
2532 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
2533 dev_err(priv->adapter->dev, "Pattern not supported\n");
2534 return -EOPNOTSUPP;
2535 }
2536
2537 if (!crule->patterns[i].pkt_offset) {
2538 u8 pkt_type;
2539
2540 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
2541 if (pkt_type && mrule->pkt_type) {
2542 dev_err(priv->adapter->dev,
2543 "Multiple packet types not allowed\n");
2544 return -EOPNOTSUPP;
2545 } else if (pkt_type) {
2546 mrule->pkt_type = pkt_type;
2547 continue;
2548 }
2549 }
2550
2551 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
2552 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
2553 else
2554 param->operation = RECV_FILTER_MATCH_TYPE_NE;
2555
2556 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
2557 memcpy(param->operand_byte_stream, byte_seq,
2558 param->operand_len);
2559 param->offset = crule->patterns[i].pkt_offset;
2560 param++;
2561
2562 mrule->num_of_fields++;
2563 }
2564
2565 if (!mrule->pkt_type) {
2566 dev_err(priv->adapter->dev,
2567 "Packet type can not be determined\n");
2568 return -EOPNOTSUPP;
2569 }
2570
2571 return 0;
2572 }
2573
2574 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
2575 struct cfg80211_coalesce *coalesce)
2576 {
2577 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2578 int i, ret;
2579 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
2580 struct mwifiex_private *priv =
2581 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2582
2583 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
2584 if (!coalesce) {
2585 dev_dbg(adapter->dev,
2586 "Disable coalesce and reset all previous rules\n");
2587 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
2588 HostCmd_ACT_GEN_SET, 0,
2589 &coalesce_cfg, true);
2590 }
2591
2592 coalesce_cfg.num_of_rules = coalesce->n_rules;
2593 for (i = 0; i < coalesce->n_rules; i++) {
2594 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
2595 &coalesce_cfg.rule[i]);
2596 if (ret) {
2597 dev_err(priv->adapter->dev,
2598 "Recheck the patterns provided for rule %d\n",
2599 i + 1);
2600 return ret;
2601 }
2602 }
2603
2604 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
2605 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
2606 }
2607
2608 /* cfg80211 ops handler for tdls_mgmt.
2609 * Function prepares TDLS action frame packets and forwards them to FW
2610 */
2611 static int
2612 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2613 const u8 *peer, u8 action_code, u8 dialog_token,
2614 u16 status_code, u32 peer_capability,
2615 bool initiator, const u8 *extra_ies,
2616 size_t extra_ies_len)
2617 {
2618 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2619 int ret;
2620
2621 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2622 return -ENOTSUPP;
2623
2624 /* make sure we are in station mode and connected */
2625 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
2626 return -ENOTSUPP;
2627
2628 switch (action_code) {
2629 case WLAN_TDLS_SETUP_REQUEST:
2630 dev_dbg(priv->adapter->dev,
2631 "Send TDLS Setup Request to %pM status_code=%d\n", peer,
2632 status_code);
2633 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2634 dialog_token, status_code,
2635 extra_ies, extra_ies_len);
2636 break;
2637 case WLAN_TDLS_SETUP_RESPONSE:
2638 dev_dbg(priv->adapter->dev,
2639 "Send TDLS Setup Response to %pM status_code=%d\n",
2640 peer, status_code);
2641 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2642 dialog_token, status_code,
2643 extra_ies, extra_ies_len);
2644 break;
2645 case WLAN_TDLS_SETUP_CONFIRM:
2646 dev_dbg(priv->adapter->dev,
2647 "Send TDLS Confirm to %pM status_code=%d\n", peer,
2648 status_code);
2649 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2650 dialog_token, status_code,
2651 extra_ies, extra_ies_len);
2652 break;
2653 case WLAN_TDLS_TEARDOWN:
2654 dev_dbg(priv->adapter->dev, "Send TDLS Tear down to %pM\n",
2655 peer);
2656 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2657 dialog_token, status_code,
2658 extra_ies, extra_ies_len);
2659 break;
2660 case WLAN_TDLS_DISCOVERY_REQUEST:
2661 dev_dbg(priv->adapter->dev,
2662 "Send TDLS Discovery Request to %pM\n", peer);
2663 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2664 dialog_token, status_code,
2665 extra_ies, extra_ies_len);
2666 break;
2667 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2668 dev_dbg(priv->adapter->dev,
2669 "Send TDLS Discovery Response to %pM\n", peer);
2670 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
2671 dialog_token, status_code,
2672 extra_ies, extra_ies_len);
2673 break;
2674 default:
2675 dev_warn(priv->adapter->dev,
2676 "Unknown TDLS mgmt/action frame %pM\n", peer);
2677 ret = -EINVAL;
2678 break;
2679 }
2680
2681 return ret;
2682 }
2683
2684 static int
2685 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2686 const u8 *peer, enum nl80211_tdls_operation action)
2687 {
2688 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2689
2690 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
2691 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
2692 return -ENOTSUPP;
2693
2694 /* make sure we are in station mode and connected */
2695 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
2696 return -ENOTSUPP;
2697
2698 dev_dbg(priv->adapter->dev,
2699 "TDLS peer=%pM, oper=%d\n", peer, action);
2700
2701 switch (action) {
2702 case NL80211_TDLS_ENABLE_LINK:
2703 action = MWIFIEX_TDLS_ENABLE_LINK;
2704 break;
2705 case NL80211_TDLS_DISABLE_LINK:
2706 action = MWIFIEX_TDLS_DISABLE_LINK;
2707 break;
2708 case NL80211_TDLS_TEARDOWN:
2709 /* shouldn't happen!*/
2710 dev_warn(priv->adapter->dev,
2711 "tdls_oper: teardown from driver not supported\n");
2712 return -EINVAL;
2713 case NL80211_TDLS_SETUP:
2714 /* shouldn't happen!*/
2715 dev_warn(priv->adapter->dev,
2716 "tdls_oper: setup from driver not supported\n");
2717 return -EINVAL;
2718 case NL80211_TDLS_DISCOVERY_REQ:
2719 /* shouldn't happen!*/
2720 dev_warn(priv->adapter->dev,
2721 "tdls_oper: discovery from driver not supported\n");
2722 return -EINVAL;
2723 default:
2724 dev_err(priv->adapter->dev,
2725 "tdls_oper: operation not supported\n");
2726 return -ENOTSUPP;
2727 }
2728
2729 return mwifiex_tdls_oper(priv, peer, action);
2730 }
2731
2732 static int
2733 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
2734 const u8 *mac, struct station_parameters *params)
2735 {
2736 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2737
2738 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2739 return -ENOTSUPP;
2740
2741 /* make sure we are in station mode and connected */
2742 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
2743 return -ENOTSUPP;
2744
2745 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
2746 }
2747
2748 static int
2749 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
2750 const u8 *mac,
2751 struct station_parameters *params)
2752 {
2753 int ret;
2754 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2755
2756 /* we support change_station handler only for TDLS peers*/
2757 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2758 return -ENOTSUPP;
2759
2760 /* make sure we are in station mode and connected */
2761 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
2762 return -ENOTSUPP;
2763
2764 priv->sta_params = params;
2765
2766 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
2767 priv->sta_params = NULL;
2768
2769 return ret;
2770 }
2771
2772 /* station cfg80211 operations */
2773 static struct cfg80211_ops mwifiex_cfg80211_ops = {
2774 .add_virtual_intf = mwifiex_add_virtual_intf,
2775 .del_virtual_intf = mwifiex_del_virtual_intf,
2776 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
2777 .scan = mwifiex_cfg80211_scan,
2778 .connect = mwifiex_cfg80211_connect,
2779 .disconnect = mwifiex_cfg80211_disconnect,
2780 .get_station = mwifiex_cfg80211_get_station,
2781 .dump_station = mwifiex_cfg80211_dump_station,
2782 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
2783 .join_ibss = mwifiex_cfg80211_join_ibss,
2784 .leave_ibss = mwifiex_cfg80211_leave_ibss,
2785 .add_key = mwifiex_cfg80211_add_key,
2786 .del_key = mwifiex_cfg80211_del_key,
2787 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
2788 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
2789 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
2790 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
2791 .set_default_key = mwifiex_cfg80211_set_default_key,
2792 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
2793 .set_tx_power = mwifiex_cfg80211_set_tx_power,
2794 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
2795 .start_ap = mwifiex_cfg80211_start_ap,
2796 .stop_ap = mwifiex_cfg80211_stop_ap,
2797 .change_beacon = mwifiex_cfg80211_change_beacon,
2798 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
2799 .set_antenna = mwifiex_cfg80211_set_antenna,
2800 .del_station = mwifiex_cfg80211_del_station,
2801 #ifdef CONFIG_PM
2802 .suspend = mwifiex_cfg80211_suspend,
2803 .resume = mwifiex_cfg80211_resume,
2804 .set_wakeup = mwifiex_cfg80211_set_wakeup,
2805 #endif
2806 .set_coalesce = mwifiex_cfg80211_set_coalesce,
2807 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
2808 .tdls_oper = mwifiex_cfg80211_tdls_oper,
2809 .add_station = mwifiex_cfg80211_add_station,
2810 .change_station = mwifiex_cfg80211_change_station,
2811 };
2812
2813 #ifdef CONFIG_PM
2814 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
2815 .flags = WIPHY_WOWLAN_MAGIC_PKT,
2816 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
2817 .pattern_min_len = 1,
2818 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
2819 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
2820 };
2821 #endif
2822
2823 static bool mwifiex_is_valid_alpha2(const char *alpha2)
2824 {
2825 if (!alpha2 || strlen(alpha2) != 2)
2826 return false;
2827
2828 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
2829 return true;
2830
2831 return false;
2832 }
2833
2834 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
2835 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
2836 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
2837 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
2838 .pattern_min_len = 1,
2839 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
2840 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
2841 };
2842
2843 /*
2844 * This function registers the device with CFG802.11 subsystem.
2845 *
2846 * The function creates the wireless device/wiphy, populates it with
2847 * default parameters and handler function pointers, and finally
2848 * registers the device.
2849 */
2850
2851 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
2852 {
2853 int ret;
2854 void *wdev_priv;
2855 struct wiphy *wiphy;
2856 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2857 u8 *country_code;
2858 u32 thr, retry;
2859
2860 /* create a new wiphy for use with cfg80211 */
2861 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
2862 sizeof(struct mwifiex_adapter *));
2863 if (!wiphy) {
2864 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
2865 return -ENOMEM;
2866 }
2867 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
2868 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
2869 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
2870 wiphy->max_remain_on_channel_duration = 5000;
2871 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2872 BIT(NL80211_IFTYPE_ADHOC) |
2873 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2874 BIT(NL80211_IFTYPE_P2P_GO) |
2875 BIT(NL80211_IFTYPE_AP);
2876
2877 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
2878 if (adapter->config_bands & BAND_A)
2879 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
2880 else
2881 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
2882
2883 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
2884 wiphy->n_iface_combinations = 1;
2885
2886 /* Initialize cipher suits */
2887 wiphy->cipher_suites = mwifiex_cipher_suites;
2888 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
2889
2890 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
2891 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2892 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
2893 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2894 WIPHY_FLAG_AP_UAPSD |
2895 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2896
2897 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
2898 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
2899 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
2900
2901 #ifdef CONFIG_PM
2902 wiphy->wowlan = &mwifiex_wowlan_support;
2903 #endif
2904
2905 wiphy->coalesce = &mwifiex_coalesce_support;
2906
2907 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2908 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2909 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2910
2911 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
2912 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
2913
2914 wiphy->features |= NL80211_FEATURE_HT_IBSS |
2915 NL80211_FEATURE_INACTIVITY_TIMER |
2916 NL80211_FEATURE_NEED_OBSS_SCAN;
2917
2918 /* Reserve space for mwifiex specific private data for BSS */
2919 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
2920
2921 wiphy->reg_notifier = mwifiex_reg_notifier;
2922
2923 /* Set struct mwifiex_adapter pointer in wiphy_priv */
2924 wdev_priv = wiphy_priv(wiphy);
2925 *(unsigned long *)wdev_priv = (unsigned long)adapter;
2926
2927 set_wiphy_dev(wiphy, priv->adapter->dev);
2928
2929 ret = wiphy_register(wiphy);
2930 if (ret < 0) {
2931 dev_err(adapter->dev,
2932 "%s: wiphy_register failed: %d\n", __func__, ret);
2933 wiphy_free(wiphy);
2934 return ret;
2935 }
2936
2937 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
2938 wiphy_info(wiphy, "driver hint alpha2: %2.2s\n", reg_alpha2);
2939 regulatory_hint(wiphy, reg_alpha2);
2940 } else {
2941 country_code = mwifiex_11d_code_2_region(adapter->region_code);
2942 if (country_code)
2943 wiphy_info(wiphy, "ignoring F/W country code %2.2s\n",
2944 country_code);
2945 }
2946
2947 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2948 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
2949 wiphy->frag_threshold = thr;
2950 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2951 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
2952 wiphy->rts_threshold = thr;
2953 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2954 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
2955 wiphy->retry_short = (u8) retry;
2956 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2957 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
2958 wiphy->retry_long = (u8) retry;
2959
2960 adapter->wiphy = wiphy;
2961 return ret;
2962 }
Linux kernel - Deliverables
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