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mwifiex: Use the proper interfaces
[deliverable/linux.git] / drivers / net / wireless / mwifiex / cfg80211.c
1 /*
2 * Marvell Wireless LAN device driver: CFG80211
3 *
4 * Copyright (C) 2011, Marvell International Ltd.
5 *
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20 #include "cfg80211.h"
21 #include "main.h"
22
23 static 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 tx_info->bss_num = priv->bss_num;
192 tx_info->bss_type = priv->bss_type;
193 tx_info->pkt_len = pkt_len;
194
195 mwifiex_form_mgmt_frame(skb, buf, len);
196 mwifiex_queue_tx_pkt(priv, skb);
197
198 *cookie = prandom_u32() | 1;
199 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC);
200
201 wiphy_dbg(wiphy, "info: management frame transmitted\n");
202 return 0;
203 }
204
205 /*
206 * CFG802.11 operation handler to register a mgmt frame.
207 */
208 static void
209 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
210 struct wireless_dev *wdev,
211 u16 frame_type, bool reg)
212 {
213 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
214 u32 mask;
215
216 if (reg)
217 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
218 else
219 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
220
221 if (mask != priv->mgmt_frame_mask) {
222 priv->mgmt_frame_mask = mask;
223 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
224 HostCmd_ACT_GEN_SET, 0,
225 &priv->mgmt_frame_mask, false);
226 wiphy_dbg(wiphy, "info: mgmt frame registered\n");
227 }
228 }
229
230 /*
231 * CFG802.11 operation handler to remain on channel.
232 */
233 static int
234 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
235 struct wireless_dev *wdev,
236 struct ieee80211_channel *chan,
237 unsigned int duration, u64 *cookie)
238 {
239 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
240 int ret;
241
242 if (!chan || !cookie) {
243 wiphy_err(wiphy, "Invalid parameter for ROC\n");
244 return -EINVAL;
245 }
246
247 if (priv->roc_cfg.cookie) {
248 wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n",
249 priv->roc_cfg.cookie);
250 return -EBUSY;
251 }
252
253 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
254 duration);
255
256 if (!ret) {
257 *cookie = prandom_u32() | 1;
258 priv->roc_cfg.cookie = *cookie;
259 priv->roc_cfg.chan = *chan;
260
261 cfg80211_ready_on_channel(wdev, *cookie, chan,
262 duration, GFP_ATOMIC);
263
264 wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
265 }
266
267 return ret;
268 }
269
270 /*
271 * CFG802.11 operation handler to cancel remain on channel.
272 */
273 static int
274 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
275 struct wireless_dev *wdev, u64 cookie)
276 {
277 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
278 int ret;
279
280 if (cookie != priv->roc_cfg.cookie)
281 return -ENOENT;
282
283 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
284 &priv->roc_cfg.chan, 0);
285
286 if (!ret) {
287 cfg80211_remain_on_channel_expired(wdev, cookie,
288 &priv->roc_cfg.chan,
289 GFP_ATOMIC);
290
291 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
292
293 wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
294 }
295
296 return ret;
297 }
298
299 /*
300 * CFG802.11 operation handler to set Tx power.
301 */
302 static int
303 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
304 struct wireless_dev *wdev,
305 enum nl80211_tx_power_setting type,
306 int mbm)
307 {
308 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
309 struct mwifiex_private *priv;
310 struct mwifiex_power_cfg power_cfg;
311 int dbm = MBM_TO_DBM(mbm);
312
313 if (type == NL80211_TX_POWER_FIXED) {
314 power_cfg.is_power_auto = 0;
315 power_cfg.power_level = dbm;
316 } else {
317 power_cfg.is_power_auto = 1;
318 }
319
320 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
321
322 return mwifiex_set_tx_power(priv, &power_cfg);
323 }
324
325 /*
326 * CFG802.11 operation handler to set Power Save option.
327 *
328 * The timeout value, if provided, is currently ignored.
329 */
330 static int
331 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
332 struct net_device *dev,
333 bool enabled, int timeout)
334 {
335 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
336 u32 ps_mode;
337
338 if (timeout)
339 wiphy_dbg(wiphy,
340 "info: ignore timeout value for IEEE Power Save\n");
341
342 ps_mode = enabled;
343
344 return mwifiex_drv_set_power(priv, &ps_mode);
345 }
346
347 /*
348 * CFG802.11 operation handler to set the default network key.
349 */
350 static int
351 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
352 u8 key_index, bool unicast,
353 bool multicast)
354 {
355 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
356
357 /* Return if WEP key not configured */
358 if (!priv->sec_info.wep_enabled)
359 return 0;
360
361 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
362 priv->wep_key_curr_index = key_index;
363 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
364 NULL, 0)) {
365 wiphy_err(wiphy, "set default Tx key index\n");
366 return -EFAULT;
367 }
368
369 return 0;
370 }
371
372 /*
373 * CFG802.11 operation handler to add a network key.
374 */
375 static int
376 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
377 u8 key_index, bool pairwise, const u8 *mac_addr,
378 struct key_params *params)
379 {
380 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
381 struct mwifiex_wep_key *wep_key;
382 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
383 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
384
385 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
386 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
387 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
388 if (params->key && params->key_len) {
389 wep_key = &priv->wep_key[key_index];
390 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
391 memcpy(wep_key->key_material, params->key,
392 params->key_len);
393 wep_key->key_index = key_index;
394 wep_key->key_length = params->key_len;
395 priv->sec_info.wep_enabled = 1;
396 }
397 return 0;
398 }
399
400 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
401 key_index, peer_mac, 0)) {
402 wiphy_err(wiphy, "crypto keys added\n");
403 return -EFAULT;
404 }
405
406 return 0;
407 }
408
409 /*
410 * This function sends domain information to the firmware.
411 *
412 * The following information are passed to the firmware -
413 * - Country codes
414 * - Sub bands (first channel, number of channels, maximum Tx power)
415 */
416 static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
417 {
418 u8 no_of_triplet = 0;
419 struct ieee80211_country_ie_triplet *t;
420 u8 no_of_parsed_chan = 0;
421 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
422 u8 i, flag = 0;
423 enum ieee80211_band band;
424 struct ieee80211_supported_band *sband;
425 struct ieee80211_channel *ch;
426 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
427 struct mwifiex_private *priv;
428 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
429
430 /* Set country code */
431 domain_info->country_code[0] = adapter->country_code[0];
432 domain_info->country_code[1] = adapter->country_code[1];
433 domain_info->country_code[2] = ' ';
434
435 band = mwifiex_band_to_radio_type(adapter->config_bands);
436 if (!wiphy->bands[band]) {
437 wiphy_err(wiphy, "11D: setting domain info in FW\n");
438 return -1;
439 }
440
441 sband = wiphy->bands[band];
442
443 for (i = 0; i < sband->n_channels ; i++) {
444 ch = &sband->channels[i];
445 if (ch->flags & IEEE80211_CHAN_DISABLED)
446 continue;
447
448 if (!flag) {
449 flag = 1;
450 first_chan = (u32) ch->hw_value;
451 next_chan = first_chan;
452 max_pwr = ch->max_power;
453 no_of_parsed_chan = 1;
454 continue;
455 }
456
457 if (ch->hw_value == next_chan + 1 &&
458 ch->max_power == max_pwr) {
459 next_chan++;
460 no_of_parsed_chan++;
461 } else {
462 t = &domain_info->triplet[no_of_triplet];
463 t->chans.first_channel = first_chan;
464 t->chans.num_channels = no_of_parsed_chan;
465 t->chans.max_power = max_pwr;
466 no_of_triplet++;
467 first_chan = (u32) ch->hw_value;
468 next_chan = first_chan;
469 max_pwr = ch->max_power;
470 no_of_parsed_chan = 1;
471 }
472 }
473
474 if (flag) {
475 t = &domain_info->triplet[no_of_triplet];
476 t->chans.first_channel = first_chan;
477 t->chans.num_channels = no_of_parsed_chan;
478 t->chans.max_power = max_pwr;
479 no_of_triplet++;
480 }
481
482 domain_info->no_of_triplet = no_of_triplet;
483
484 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
485
486 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
487 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
488 wiphy_err(wiphy, "11D: setting domain info in FW\n");
489 return -1;
490 }
491
492 return 0;
493 }
494
495 /*
496 * CFG802.11 regulatory domain callback function.
497 *
498 * This function is called when the regulatory domain is changed due to the
499 * following reasons -
500 * - Set by driver
501 * - Set by system core
502 * - Set by user
503 * - Set bt Country IE
504 */
505 static void mwifiex_reg_notifier(struct wiphy *wiphy,
506 struct regulatory_request *request)
507 {
508 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
509 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
510 MWIFIEX_BSS_ROLE_ANY);
511
512 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
513 request->alpha2[0], request->alpha2[1]);
514
515 switch (request->initiator) {
516 case NL80211_REGDOM_SET_BY_DRIVER:
517 case NL80211_REGDOM_SET_BY_CORE:
518 case NL80211_REGDOM_SET_BY_USER:
519 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
520 break;
521 default:
522 wiphy_err(wiphy, "unknown regdom initiator: %d\n",
523 request->initiator);
524 return;
525 }
526
527 /* Don't send world or same regdom info to firmware */
528 if (strncmp(request->alpha2, "00", 2) &&
529 strncmp(request->alpha2, adapter->country_code,
530 sizeof(request->alpha2))) {
531 memcpy(adapter->country_code, request->alpha2,
532 sizeof(request->alpha2));
533 mwifiex_send_domain_info_cmd_fw(wiphy);
534 mwifiex_dnld_txpwr_table(priv);
535 }
536 }
537
538 /*
539 * This function sets the fragmentation threshold.
540 *
541 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
542 * and MWIFIEX_FRAG_MAX_VALUE.
543 */
544 static int
545 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
546 {
547 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
548 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
549 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
550
551 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
552 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
553 &frag_thr, true);
554 }
555
556 /*
557 * This function sets the RTS threshold.
558
559 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
560 * and MWIFIEX_RTS_MAX_VALUE.
561 */
562 static int
563 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
564 {
565 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
566 rts_thr = MWIFIEX_RTS_MAX_VALUE;
567
568 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
569 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
570 &rts_thr, true);
571 }
572
573 /*
574 * CFG802.11 operation handler to set wiphy parameters.
575 *
576 * This function can be used to set the RTS threshold and the
577 * Fragmentation threshold of the driver.
578 */
579 static int
580 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
581 {
582 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
583 struct mwifiex_private *priv;
584 struct mwifiex_uap_bss_param *bss_cfg;
585 int ret, bss_started, i;
586
587 for (i = 0; i < adapter->priv_num; i++) {
588 priv = adapter->priv[i];
589
590 switch (priv->bss_role) {
591 case MWIFIEX_BSS_ROLE_UAP:
592 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
593 GFP_KERNEL);
594 if (!bss_cfg)
595 return -ENOMEM;
596
597 mwifiex_set_sys_config_invalid_data(bss_cfg);
598
599 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
600 bss_cfg->rts_threshold = wiphy->rts_threshold;
601 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
602 bss_cfg->frag_threshold = wiphy->frag_threshold;
603 if (changed & WIPHY_PARAM_RETRY_LONG)
604 bss_cfg->retry_limit = wiphy->retry_long;
605
606 bss_started = priv->bss_started;
607
608 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
609 HostCmd_ACT_GEN_SET, 0,
610 NULL, true);
611 if (ret) {
612 wiphy_err(wiphy, "Failed to stop the BSS\n");
613 kfree(bss_cfg);
614 return ret;
615 }
616
617 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
618 HostCmd_ACT_GEN_SET,
619 UAP_BSS_PARAMS_I, bss_cfg,
620 false);
621
622 kfree(bss_cfg);
623
624 if (ret) {
625 wiphy_err(wiphy, "Failed to set bss config\n");
626 return ret;
627 }
628
629 if (!bss_started)
630 break;
631
632 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
633 HostCmd_ACT_GEN_SET, 0,
634 NULL, false);
635 if (ret) {
636 wiphy_err(wiphy, "Failed to start BSS\n");
637 return ret;
638 }
639
640 break;
641 case MWIFIEX_BSS_ROLE_STA:
642 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
643 ret = mwifiex_set_rts(priv,
644 wiphy->rts_threshold);
645 if (ret)
646 return ret;
647 }
648 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
649 ret = mwifiex_set_frag(priv,
650 wiphy->frag_threshold);
651 if (ret)
652 return ret;
653 }
654 break;
655 }
656 }
657
658 return 0;
659 }
660
661 static int
662 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
663 {
664 u16 mode = P2P_MODE_DISABLE;
665
666 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
667 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
668
669 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
670 HostCmd_ACT_GEN_SET, 0, &mode, true))
671 return -1;
672
673 return 0;
674 }
675
676 /*
677 * This function initializes the functionalities for P2P client.
678 * The P2P client initialization sequence is:
679 * disable -> device -> client
680 */
681 static int
682 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
683 {
684 u16 mode;
685
686 if (mwifiex_cfg80211_deinit_p2p(priv))
687 return -1;
688
689 mode = P2P_MODE_DEVICE;
690 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
691 HostCmd_ACT_GEN_SET, 0, &mode, true))
692 return -1;
693
694 mode = P2P_MODE_CLIENT;
695 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
696 HostCmd_ACT_GEN_SET, 0, &mode, true))
697 return -1;
698
699 return 0;
700 }
701
702 /*
703 * This function initializes the functionalities for P2P GO.
704 * The P2P GO initialization sequence is:
705 * disable -> device -> GO
706 */
707 static int
708 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
709 {
710 u16 mode;
711
712 if (mwifiex_cfg80211_deinit_p2p(priv))
713 return -1;
714
715 mode = P2P_MODE_DEVICE;
716 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
717 HostCmd_ACT_GEN_SET, 0, &mode, true))
718 return -1;
719
720 mode = P2P_MODE_GO;
721 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
722 HostCmd_ACT_GEN_SET, 0, &mode, true))
723 return -1;
724
725 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
726 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
727
728 return 0;
729 }
730
731 /*
732 * CFG802.11 operation handler to change interface type.
733 */
734 static int
735 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
736 struct net_device *dev,
737 enum nl80211_iftype type, u32 *flags,
738 struct vif_params *params)
739 {
740 int ret;
741 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
742
743 switch (dev->ieee80211_ptr->iftype) {
744 case NL80211_IFTYPE_ADHOC:
745 switch (type) {
746 case NL80211_IFTYPE_STATION:
747 break;
748 case NL80211_IFTYPE_UNSPECIFIED:
749 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
750 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
751 return 0;
752 case NL80211_IFTYPE_AP:
753 default:
754 wiphy_err(wiphy, "%s: changing to %d not supported\n",
755 dev->name, type);
756 return -EOPNOTSUPP;
757 }
758 break;
759 case NL80211_IFTYPE_STATION:
760 switch (type) {
761 case NL80211_IFTYPE_ADHOC:
762 break;
763 case NL80211_IFTYPE_P2P_CLIENT:
764 if (mwifiex_cfg80211_init_p2p_client(priv))
765 return -EFAULT;
766 dev->ieee80211_ptr->iftype = type;
767 return 0;
768 case NL80211_IFTYPE_P2P_GO:
769 if (mwifiex_cfg80211_init_p2p_go(priv))
770 return -EFAULT;
771 dev->ieee80211_ptr->iftype = type;
772 return 0;
773 case NL80211_IFTYPE_UNSPECIFIED:
774 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
775 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
776 return 0;
777 case NL80211_IFTYPE_AP:
778 default:
779 wiphy_err(wiphy, "%s: changing to %d not supported\n",
780 dev->name, type);
781 return -EOPNOTSUPP;
782 }
783 break;
784 case NL80211_IFTYPE_AP:
785 switch (type) {
786 case NL80211_IFTYPE_UNSPECIFIED:
787 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
788 case NL80211_IFTYPE_AP: /* This shouldn't happen */
789 return 0;
790 case NL80211_IFTYPE_ADHOC:
791 case NL80211_IFTYPE_STATION:
792 default:
793 wiphy_err(wiphy, "%s: changing to %d not supported\n",
794 dev->name, type);
795 return -EOPNOTSUPP;
796 }
797 break;
798 case NL80211_IFTYPE_P2P_CLIENT:
799 case NL80211_IFTYPE_P2P_GO:
800 switch (type) {
801 case NL80211_IFTYPE_STATION:
802 if (mwifiex_cfg80211_deinit_p2p(priv))
803 return -EFAULT;
804 dev->ieee80211_ptr->iftype = type;
805 return 0;
806 default:
807 return -EOPNOTSUPP;
808 }
809 break;
810 default:
811 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
812 dev->name, dev->ieee80211_ptr->iftype);
813 return -EOPNOTSUPP;
814 }
815
816 dev->ieee80211_ptr->iftype = type;
817 priv->bss_mode = type;
818 mwifiex_deauthenticate(priv, NULL);
819
820 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
821
822 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
823 HostCmd_ACT_GEN_SET, 0, NULL, true);
824
825 return ret;
826 }
827
828 static void
829 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
830 struct rate_info *rate)
831 {
832 struct mwifiex_adapter *adapter = priv->adapter;
833
834 if (adapter->is_hw_11ac_capable) {
835 /* bit[1-0]: 00=LG 01=HT 10=VHT */
836 if (tx_htinfo & BIT(0)) {
837 /* HT */
838 rate->mcs = priv->tx_rate;
839 rate->flags |= RATE_INFO_FLAGS_MCS;
840 }
841 if (tx_htinfo & BIT(1)) {
842 /* VHT */
843 rate->mcs = priv->tx_rate & 0x0F;
844 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
845 }
846
847 if (tx_htinfo & (BIT(1) | BIT(0))) {
848 /* HT or VHT */
849 switch (tx_htinfo & (BIT(3) | BIT(2))) {
850 case 0:
851 /* This will be 20MHz */
852 break;
853 case (BIT(2)):
854 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
855 break;
856 case (BIT(3)):
857 rate->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
858 break;
859 case (BIT(3) | BIT(2)):
860 rate->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
861 break;
862 }
863
864 if (tx_htinfo & BIT(4))
865 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
866
867 if ((priv->tx_rate >> 4) == 1)
868 rate->nss = 2;
869 else
870 rate->nss = 1;
871 }
872 } else {
873 /*
874 * Bit 0 in tx_htinfo indicates that current Tx rate
875 * is 11n rate. Valid MCS index values for us are 0 to 15.
876 */
877 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
878 rate->mcs = priv->tx_rate;
879 rate->flags |= RATE_INFO_FLAGS_MCS;
880 if (tx_htinfo & BIT(1))
881 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
882 if (tx_htinfo & BIT(2))
883 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
884 }
885 }
886 }
887
888 /*
889 * This function dumps the station information on a buffer.
890 *
891 * The following information are shown -
892 * - Total bytes transmitted
893 * - Total bytes received
894 * - Total packets transmitted
895 * - Total packets received
896 * - Signal quality level
897 * - Transmission rate
898 */
899 static int
900 mwifiex_dump_station_info(struct mwifiex_private *priv,
901 struct station_info *sinfo)
902 {
903 u32 rate;
904
905 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
906 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
907 STATION_INFO_TX_BITRATE |
908 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
909
910 /* Get signal information from the firmware */
911 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
912 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
913 dev_err(priv->adapter->dev, "failed to get signal information\n");
914 return -EFAULT;
915 }
916
917 if (mwifiex_drv_get_data_rate(priv, &rate)) {
918 dev_err(priv->adapter->dev, "getting data rate\n");
919 return -EFAULT;
920 }
921
922 /* Get DTIM period information from firmware */
923 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
924 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
925 &priv->dtim_period, true);
926
927 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
928
929 sinfo->signal_avg = priv->bcn_rssi_avg;
930 sinfo->rx_bytes = priv->stats.rx_bytes;
931 sinfo->tx_bytes = priv->stats.tx_bytes;
932 sinfo->rx_packets = priv->stats.rx_packets;
933 sinfo->tx_packets = priv->stats.tx_packets;
934 sinfo->signal = priv->bcn_rssi_avg;
935 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
936 sinfo->txrate.legacy = rate * 5;
937
938 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
939 sinfo->filled |= STATION_INFO_BSS_PARAM;
940 sinfo->bss_param.flags = 0;
941 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
942 WLAN_CAPABILITY_SHORT_PREAMBLE)
943 sinfo->bss_param.flags |=
944 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
945 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
946 WLAN_CAPABILITY_SHORT_SLOT_TIME)
947 sinfo->bss_param.flags |=
948 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
949 sinfo->bss_param.dtim_period = priv->dtim_period;
950 sinfo->bss_param.beacon_interval =
951 priv->curr_bss_params.bss_descriptor.beacon_period;
952 }
953
954 return 0;
955 }
956
957 /*
958 * CFG802.11 operation handler to get station information.
959 *
960 * This function only works in connected mode, and dumps the
961 * requested station information, if available.
962 */
963 static int
964 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
965 const u8 *mac, struct station_info *sinfo)
966 {
967 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
968
969 if (!priv->media_connected)
970 return -ENOENT;
971 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
972 return -ENOENT;
973
974 return mwifiex_dump_station_info(priv, sinfo);
975 }
976
977 /*
978 * CFG802.11 operation handler to dump station information.
979 */
980 static int
981 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
982 int idx, u8 *mac, struct station_info *sinfo)
983 {
984 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
985
986 if (!priv->media_connected || idx)
987 return -ENOENT;
988
989 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
990
991 return mwifiex_dump_station_info(priv, sinfo);
992 }
993
994 /* Supported rates to be advertised to the cfg80211 */
995 static struct ieee80211_rate mwifiex_rates[] = {
996 {.bitrate = 10, .hw_value = 2, },
997 {.bitrate = 20, .hw_value = 4, },
998 {.bitrate = 55, .hw_value = 11, },
999 {.bitrate = 110, .hw_value = 22, },
1000 {.bitrate = 60, .hw_value = 12, },
1001 {.bitrate = 90, .hw_value = 18, },
1002 {.bitrate = 120, .hw_value = 24, },
1003 {.bitrate = 180, .hw_value = 36, },
1004 {.bitrate = 240, .hw_value = 48, },
1005 {.bitrate = 360, .hw_value = 72, },
1006 {.bitrate = 480, .hw_value = 96, },
1007 {.bitrate = 540, .hw_value = 108, },
1008 };
1009
1010 /* Channel definitions to be advertised to cfg80211 */
1011 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1012 {.center_freq = 2412, .hw_value = 1, },
1013 {.center_freq = 2417, .hw_value = 2, },
1014 {.center_freq = 2422, .hw_value = 3, },
1015 {.center_freq = 2427, .hw_value = 4, },
1016 {.center_freq = 2432, .hw_value = 5, },
1017 {.center_freq = 2437, .hw_value = 6, },
1018 {.center_freq = 2442, .hw_value = 7, },
1019 {.center_freq = 2447, .hw_value = 8, },
1020 {.center_freq = 2452, .hw_value = 9, },
1021 {.center_freq = 2457, .hw_value = 10, },
1022 {.center_freq = 2462, .hw_value = 11, },
1023 {.center_freq = 2467, .hw_value = 12, },
1024 {.center_freq = 2472, .hw_value = 13, },
1025 {.center_freq = 2484, .hw_value = 14, },
1026 };
1027
1028 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1029 .channels = mwifiex_channels_2ghz,
1030 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1031 .bitrates = mwifiex_rates,
1032 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1033 };
1034
1035 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1036 {.center_freq = 5040, .hw_value = 8, },
1037 {.center_freq = 5060, .hw_value = 12, },
1038 {.center_freq = 5080, .hw_value = 16, },
1039 {.center_freq = 5170, .hw_value = 34, },
1040 {.center_freq = 5190, .hw_value = 38, },
1041 {.center_freq = 5210, .hw_value = 42, },
1042 {.center_freq = 5230, .hw_value = 46, },
1043 {.center_freq = 5180, .hw_value = 36, },
1044 {.center_freq = 5200, .hw_value = 40, },
1045 {.center_freq = 5220, .hw_value = 44, },
1046 {.center_freq = 5240, .hw_value = 48, },
1047 {.center_freq = 5260, .hw_value = 52, },
1048 {.center_freq = 5280, .hw_value = 56, },
1049 {.center_freq = 5300, .hw_value = 60, },
1050 {.center_freq = 5320, .hw_value = 64, },
1051 {.center_freq = 5500, .hw_value = 100, },
1052 {.center_freq = 5520, .hw_value = 104, },
1053 {.center_freq = 5540, .hw_value = 108, },
1054 {.center_freq = 5560, .hw_value = 112, },
1055 {.center_freq = 5580, .hw_value = 116, },
1056 {.center_freq = 5600, .hw_value = 120, },
1057 {.center_freq = 5620, .hw_value = 124, },
1058 {.center_freq = 5640, .hw_value = 128, },
1059 {.center_freq = 5660, .hw_value = 132, },
1060 {.center_freq = 5680, .hw_value = 136, },
1061 {.center_freq = 5700, .hw_value = 140, },
1062 {.center_freq = 5745, .hw_value = 149, },
1063 {.center_freq = 5765, .hw_value = 153, },
1064 {.center_freq = 5785, .hw_value = 157, },
1065 {.center_freq = 5805, .hw_value = 161, },
1066 {.center_freq = 5825, .hw_value = 165, },
1067 };
1068
1069 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1070 .channels = mwifiex_channels_5ghz,
1071 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1072 .bitrates = mwifiex_rates + 4,
1073 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1074 };
1075
1076
1077 /* Supported crypto cipher suits to be advertised to cfg80211 */
1078 static const u32 mwifiex_cipher_suites[] = {
1079 WLAN_CIPHER_SUITE_WEP40,
1080 WLAN_CIPHER_SUITE_WEP104,
1081 WLAN_CIPHER_SUITE_TKIP,
1082 WLAN_CIPHER_SUITE_CCMP,
1083 WLAN_CIPHER_SUITE_AES_CMAC,
1084 };
1085
1086 /* Supported mgmt frame types to be advertised to cfg80211 */
1087 static const struct ieee80211_txrx_stypes
1088 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1089 [NL80211_IFTYPE_STATION] = {
1090 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1091 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1092 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1093 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1094 },
1095 [NL80211_IFTYPE_AP] = {
1096 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1097 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1098 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1099 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1100 },
1101 [NL80211_IFTYPE_P2P_CLIENT] = {
1102 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1103 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1104 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1105 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1106 },
1107 [NL80211_IFTYPE_P2P_GO] = {
1108 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1109 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1110 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1111 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1112 },
1113 };
1114
1115 /*
1116 * CFG802.11 operation handler for setting bit rates.
1117 *
1118 * Function configures data rates to firmware using bitrate mask
1119 * provided by cfg80211.
1120 */
1121 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1122 struct net_device *dev,
1123 const u8 *peer,
1124 const struct cfg80211_bitrate_mask *mask)
1125 {
1126 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1127 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1128 enum ieee80211_band band;
1129 struct mwifiex_adapter *adapter = priv->adapter;
1130
1131 if (!priv->media_connected) {
1132 dev_err(adapter->dev,
1133 "Can not set Tx data rate in disconnected state\n");
1134 return -EINVAL;
1135 }
1136
1137 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1138
1139 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1140
1141 /* Fill HR/DSSS rates. */
1142 if (band == IEEE80211_BAND_2GHZ)
1143 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1144
1145 /* Fill OFDM rates */
1146 if (band == IEEE80211_BAND_2GHZ)
1147 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1148 else
1149 bitmap_rates[1] = mask->control[band].legacy;
1150
1151 /* Fill HT MCS rates */
1152 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1153 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1154 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1155
1156 /* Fill VHT MCS rates */
1157 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1158 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1159 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1160 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1161 }
1162
1163 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1164 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1165 }
1166
1167 /*
1168 * CFG802.11 operation handler for connection quality monitoring.
1169 *
1170 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1171 * events to FW.
1172 */
1173 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1174 struct net_device *dev,
1175 s32 rssi_thold, u32 rssi_hyst)
1176 {
1177 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1178 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1179
1180 priv->cqm_rssi_thold = rssi_thold;
1181 priv->cqm_rssi_hyst = rssi_hyst;
1182
1183 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1184 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1185
1186 /* Subscribe/unsubscribe low and high rssi events */
1187 if (rssi_thold && rssi_hyst) {
1188 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1189 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1190 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1191 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1192 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1193 return mwifiex_send_cmd(priv,
1194 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1195 0, 0, &subsc_evt, true);
1196 } else {
1197 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1198 return mwifiex_send_cmd(priv,
1199 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1200 0, 0, &subsc_evt, true);
1201 }
1202
1203 return 0;
1204 }
1205
1206 /* cfg80211 operation handler for change_beacon.
1207 * Function retrieves and sets modified management IEs to FW.
1208 */
1209 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1210 struct net_device *dev,
1211 struct cfg80211_beacon_data *data)
1212 {
1213 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1214
1215 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1216 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
1217 return -EINVAL;
1218 }
1219
1220 if (!priv->bss_started) {
1221 wiphy_err(wiphy, "%s: bss not started\n", __func__);
1222 return -EINVAL;
1223 }
1224
1225 if (mwifiex_set_mgmt_ies(priv, data)) {
1226 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
1227 return -EFAULT;
1228 }
1229
1230 return 0;
1231 }
1232
1233 /* cfg80211 operation handler for del_station.
1234 * Function deauthenticates station which value is provided in mac parameter.
1235 * If mac is NULL/broadcast, all stations in associated station list are
1236 * deauthenticated. If bss is not started or there are no stations in
1237 * associated stations list, no action is taken.
1238 */
1239 static int
1240 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1241 const u8 *mac)
1242 {
1243 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1244 struct mwifiex_sta_node *sta_node;
1245 unsigned long flags;
1246
1247 if (list_empty(&priv->sta_list) || !priv->bss_started)
1248 return 0;
1249
1250 if (!mac || is_broadcast_ether_addr(mac)) {
1251 wiphy_dbg(wiphy, "%s: NULL/broadcast mac address\n", __func__);
1252 list_for_each_entry(sta_node, &priv->sta_list, list) {
1253 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1254 HostCmd_ACT_GEN_SET, 0,
1255 sta_node->mac_addr, true))
1256 return -1;
1257 mwifiex_uap_del_sta_data(priv, sta_node);
1258 }
1259 } else {
1260 wiphy_dbg(wiphy, "%s: mac address %pM\n", __func__, mac);
1261 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1262 sta_node = mwifiex_get_sta_entry(priv, mac);
1263 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1264 if (sta_node) {
1265 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1266 HostCmd_ACT_GEN_SET, 0,
1267 sta_node->mac_addr, true))
1268 return -1;
1269 mwifiex_uap_del_sta_data(priv, sta_node);
1270 }
1271 }
1272
1273 return 0;
1274 }
1275
1276 static int
1277 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1278 {
1279 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1280 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1281 MWIFIEX_BSS_ROLE_ANY);
1282 struct mwifiex_ds_ant_cfg ant_cfg;
1283
1284 if (!tx_ant || !rx_ant)
1285 return -EOPNOTSUPP;
1286
1287 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1288 /* Not a MIMO chip. User should provide specific antenna number
1289 * for Tx/Rx path or enable all antennas for diversity
1290 */
1291 if (tx_ant != rx_ant)
1292 return -EOPNOTSUPP;
1293
1294 if ((tx_ant & (tx_ant - 1)) &&
1295 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1296 return -EOPNOTSUPP;
1297
1298 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1299 (priv->adapter->number_of_antenna > 1)) {
1300 tx_ant = RF_ANTENNA_AUTO;
1301 rx_ant = RF_ANTENNA_AUTO;
1302 }
1303 } else {
1304 struct ieee80211_sta_ht_cap *ht_info;
1305 int rx_mcs_supp;
1306 enum ieee80211_band band;
1307
1308 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1309 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1310 if (adapter->is_hw_11ac_capable)
1311 adapter->usr_dot_11ac_mcs_support =
1312 MWIFIEX_11AC_MCS_MAP_1X1;
1313 } else {
1314 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1315 if (adapter->is_hw_11ac_capable)
1316 adapter->usr_dot_11ac_mcs_support =
1317 MWIFIEX_11AC_MCS_MAP_2X2;
1318 }
1319
1320 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1321 if (!adapter->wiphy->bands[band])
1322 continue;
1323
1324 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1325 rx_mcs_supp =
1326 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1327 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1328 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1329 }
1330 }
1331
1332 ant_cfg.tx_ant = tx_ant;
1333 ant_cfg.rx_ant = rx_ant;
1334
1335 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1336 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1337 }
1338
1339 /* cfg80211 operation handler for stop ap.
1340 * Function stops BSS running at uAP interface.
1341 */
1342 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1343 {
1344 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1345
1346 if (mwifiex_del_mgmt_ies(priv))
1347 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
1348
1349 priv->ap_11n_enabled = 0;
1350
1351 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1352 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1353 wiphy_err(wiphy, "Failed to stop the BSS\n");
1354 return -1;
1355 }
1356
1357 return 0;
1358 }
1359
1360 /* cfg80211 operation handler for start_ap.
1361 * Function sets beacon period, DTIM period, SSID and security into
1362 * AP config structure.
1363 * AP is configured with these settings and BSS is started.
1364 */
1365 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1366 struct net_device *dev,
1367 struct cfg80211_ap_settings *params)
1368 {
1369 struct mwifiex_uap_bss_param *bss_cfg;
1370 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1371 u8 config_bands = 0;
1372
1373 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1374 return -1;
1375 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
1376 return -1;
1377
1378 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1379 if (!bss_cfg)
1380 return -ENOMEM;
1381
1382 mwifiex_set_sys_config_invalid_data(bss_cfg);
1383
1384 if (params->beacon_interval)
1385 bss_cfg->beacon_period = params->beacon_interval;
1386 if (params->dtim_period)
1387 bss_cfg->dtim_period = params->dtim_period;
1388
1389 if (params->ssid && params->ssid_len) {
1390 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1391 bss_cfg->ssid.ssid_len = params->ssid_len;
1392 }
1393
1394 switch (params->hidden_ssid) {
1395 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1396 bss_cfg->bcast_ssid_ctl = 1;
1397 break;
1398 case NL80211_HIDDEN_SSID_ZERO_LEN:
1399 bss_cfg->bcast_ssid_ctl = 0;
1400 break;
1401 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1402 /* firmware doesn't support this type of hidden SSID */
1403 default:
1404 kfree(bss_cfg);
1405 return -EINVAL;
1406 }
1407
1408 bss_cfg->channel = ieee80211_frequency_to_channel(
1409 params->chandef.chan->center_freq);
1410
1411 /* Set appropriate bands */
1412 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1413 bss_cfg->band_cfg = BAND_CONFIG_BG;
1414 config_bands = BAND_B | BAND_G;
1415
1416 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1417 config_bands |= BAND_GN;
1418 } else {
1419 bss_cfg->band_cfg = BAND_CONFIG_A;
1420 config_bands = BAND_A;
1421
1422 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1423 config_bands |= BAND_AN;
1424
1425 if (params->chandef.width > NL80211_CHAN_WIDTH_40)
1426 config_bands |= BAND_AAC;
1427 }
1428
1429 if (!((config_bands | priv->adapter->fw_bands) &
1430 ~priv->adapter->fw_bands))
1431 priv->adapter->config_bands = config_bands;
1432
1433 mwifiex_set_uap_rates(bss_cfg, params);
1434 mwifiex_send_domain_info_cmd_fw(wiphy);
1435
1436 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1437 kfree(bss_cfg);
1438 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1439 return -1;
1440 }
1441
1442 mwifiex_set_ht_params(priv, bss_cfg, params);
1443
1444 if (priv->adapter->is_hw_11ac_capable) {
1445 mwifiex_set_vht_params(priv, bss_cfg, params);
1446 mwifiex_set_vht_width(priv, params->chandef.width,
1447 priv->ap_11ac_enabled);
1448 }
1449
1450 if (priv->ap_11ac_enabled)
1451 mwifiex_set_11ac_ba_params(priv);
1452 else
1453 mwifiex_set_ba_params(priv);
1454
1455 mwifiex_set_wmm_params(priv, bss_cfg, params);
1456
1457 if (params->inactivity_timeout > 0) {
1458 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1459 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1460 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1461 }
1462
1463 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1464 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1465 wiphy_err(wiphy, "Failed to stop the BSS\n");
1466 kfree(bss_cfg);
1467 return -1;
1468 }
1469
1470 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
1471 HostCmd_ACT_GEN_SET,
1472 UAP_BSS_PARAMS_I, bss_cfg, false)) {
1473 wiphy_err(wiphy, "Failed to set the SSID\n");
1474 kfree(bss_cfg);
1475 return -1;
1476 }
1477
1478 kfree(bss_cfg);
1479
1480 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
1481 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
1482 wiphy_err(wiphy, "Failed to start the BSS\n");
1483 return -1;
1484 }
1485
1486 if (priv->sec_info.wep_enabled)
1487 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1488 else
1489 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1490
1491 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
1492 HostCmd_ACT_GEN_SET, 0,
1493 &priv->curr_pkt_filter, true))
1494 return -1;
1495
1496 return 0;
1497 }
1498
1499 /*
1500 * CFG802.11 operation handler for disconnection request.
1501 *
1502 * This function does not work when there is already a disconnection
1503 * procedure going on.
1504 */
1505 static int
1506 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1507 u16 reason_code)
1508 {
1509 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1510
1511 if (mwifiex_deauthenticate(priv, NULL))
1512 return -EFAULT;
1513
1514 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1515 " reason code %d\n", priv->cfg_bssid, reason_code);
1516
1517 memset(priv->cfg_bssid, 0, ETH_ALEN);
1518 priv->hs2_enabled = false;
1519
1520 return 0;
1521 }
1522
1523 /*
1524 * This function informs the CFG802.11 subsystem of a new IBSS.
1525 *
1526 * The following information are sent to the CFG802.11 subsystem
1527 * to register the new IBSS. If we do not register the new IBSS,
1528 * a kernel panic will result.
1529 * - SSID
1530 * - SSID length
1531 * - BSSID
1532 * - Channel
1533 */
1534 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1535 {
1536 struct ieee80211_channel *chan;
1537 struct mwifiex_bss_info bss_info;
1538 struct cfg80211_bss *bss;
1539 int ie_len;
1540 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1541 enum ieee80211_band band;
1542
1543 if (mwifiex_get_bss_info(priv, &bss_info))
1544 return -1;
1545
1546 ie_buf[0] = WLAN_EID_SSID;
1547 ie_buf[1] = bss_info.ssid.ssid_len;
1548
1549 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
1550 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
1551 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1552
1553 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1554 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1555 ieee80211_channel_to_frequency(bss_info.bss_chan,
1556 band));
1557
1558 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
1559 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1560 0, ie_buf, ie_len, 0, GFP_KERNEL);
1561 cfg80211_put_bss(priv->wdev->wiphy, bss);
1562 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1563
1564 return 0;
1565 }
1566
1567 /*
1568 * This function connects with a BSS.
1569 *
1570 * This function handles both Infra and Ad-Hoc modes. It also performs
1571 * validity checking on the provided parameters, disconnects from the
1572 * current BSS (if any), sets up the association/scan parameters,
1573 * including security settings, and performs specific SSID scan before
1574 * trying to connect.
1575 *
1576 * For Infra mode, the function returns failure if the specified SSID
1577 * is not found in scan table. However, for Ad-Hoc mode, it can create
1578 * the IBSS if it does not exist. On successful completion in either case,
1579 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1580 */
1581 static int
1582 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
1583 const u8 *ssid, const u8 *bssid, int mode,
1584 struct ieee80211_channel *channel,
1585 struct cfg80211_connect_params *sme, bool privacy)
1586 {
1587 struct cfg80211_ssid req_ssid;
1588 int ret, auth_type = 0;
1589 struct cfg80211_bss *bss = NULL;
1590 u8 is_scanning_required = 0;
1591
1592 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
1593
1594 req_ssid.ssid_len = ssid_len;
1595 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1596 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1597 return -EINVAL;
1598 }
1599
1600 memcpy(req_ssid.ssid, ssid, ssid_len);
1601 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1602 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1603 return -EINVAL;
1604 }
1605
1606 /* disconnect before try to associate */
1607 mwifiex_deauthenticate(priv, NULL);
1608
1609 /* As this is new association, clear locally stored
1610 * keys and security related flags */
1611 priv->sec_info.wpa_enabled = false;
1612 priv->sec_info.wpa2_enabled = false;
1613 priv->wep_key_curr_index = 0;
1614 priv->sec_info.encryption_mode = 0;
1615 priv->sec_info.is_authtype_auto = 0;
1616 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
1617
1618 if (mode == NL80211_IFTYPE_ADHOC) {
1619 /* "privacy" is set only for ad-hoc mode */
1620 if (privacy) {
1621 /*
1622 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1623 * the firmware can find a matching network from the
1624 * scan. The cfg80211 does not give us the encryption
1625 * mode at this stage so just setting it to WEP here.
1626 */
1627 priv->sec_info.encryption_mode =
1628 WLAN_CIPHER_SUITE_WEP104;
1629 priv->sec_info.authentication_mode =
1630 NL80211_AUTHTYPE_OPEN_SYSTEM;
1631 }
1632
1633 goto done;
1634 }
1635
1636 /* Now handle infra mode. "sme" is valid for infra mode only */
1637 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
1638 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1639 priv->sec_info.is_authtype_auto = 1;
1640 } else {
1641 auth_type = sme->auth_type;
1642 }
1643
1644 if (sme->crypto.n_ciphers_pairwise) {
1645 priv->sec_info.encryption_mode =
1646 sme->crypto.ciphers_pairwise[0];
1647 priv->sec_info.authentication_mode = auth_type;
1648 }
1649
1650 if (sme->crypto.cipher_group) {
1651 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
1652 priv->sec_info.authentication_mode = auth_type;
1653 }
1654 if (sme->ie)
1655 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1656
1657 if (sme->key) {
1658 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
1659 dev_dbg(priv->adapter->dev,
1660 "info: setting wep encryption"
1661 " with key len %d\n", sme->key_len);
1662 priv->wep_key_curr_index = sme->key_idx;
1663 ret = mwifiex_set_encode(priv, NULL, sme->key,
1664 sme->key_len, sme->key_idx,
1665 NULL, 0);
1666 }
1667 }
1668 done:
1669 /*
1670 * Scan entries are valid for some time (15 sec). So we can save one
1671 * active scan time if we just try cfg80211_get_bss first. If it fails
1672 * then request scan and cfg80211_get_bss() again for final output.
1673 */
1674 while (1) {
1675 if (is_scanning_required) {
1676 /* Do specific SSID scanning */
1677 if (mwifiex_request_scan(priv, &req_ssid)) {
1678 dev_err(priv->adapter->dev, "scan error\n");
1679 return -EFAULT;
1680 }
1681 }
1682
1683 /* Find the BSS we want using available scan results */
1684 if (mode == NL80211_IFTYPE_ADHOC)
1685 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1686 bssid, ssid, ssid_len,
1687 WLAN_CAPABILITY_IBSS,
1688 WLAN_CAPABILITY_IBSS);
1689 else
1690 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1691 bssid, ssid, ssid_len,
1692 WLAN_CAPABILITY_ESS,
1693 WLAN_CAPABILITY_ESS);
1694
1695 if (!bss) {
1696 if (is_scanning_required) {
1697 dev_warn(priv->adapter->dev,
1698 "assoc: requested bss not found in scan results\n");
1699 break;
1700 }
1701 is_scanning_required = 1;
1702 } else {
1703 dev_dbg(priv->adapter->dev,
1704 "info: trying to associate to '%s' bssid %pM\n",
1705 (char *) req_ssid.ssid, bss->bssid);
1706 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1707 break;
1708 }
1709 }
1710
1711 ret = mwifiex_bss_start(priv, bss, &req_ssid);
1712 if (ret)
1713 return ret;
1714
1715 if (mode == NL80211_IFTYPE_ADHOC) {
1716 /* Inform the BSS information to kernel, otherwise
1717 * kernel will give a panic after successful assoc */
1718 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1719 return -EFAULT;
1720 }
1721
1722 return ret;
1723 }
1724
1725 /*
1726 * CFG802.11 operation handler for association request.
1727 *
1728 * This function does not work when the current mode is set to Ad-Hoc, or
1729 * when there is already an association procedure going on. The given BSS
1730 * information is used to associate.
1731 */
1732 static int
1733 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1734 struct cfg80211_connect_params *sme)
1735 {
1736 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1737 int ret;
1738
1739 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
1740 wiphy_err(wiphy,
1741 "%s: reject infra assoc request in non-STA role\n",
1742 dev->name);
1743 return -EINVAL;
1744 }
1745
1746 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
1747 (char *) sme->ssid, sme->bssid);
1748
1749 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
1750 priv->bss_mode, sme->channel, sme, 0);
1751 if (!ret) {
1752 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1753 NULL, 0, WLAN_STATUS_SUCCESS,
1754 GFP_KERNEL);
1755 dev_dbg(priv->adapter->dev,
1756 "info: associated to bssid %pM successfully\n",
1757 priv->cfg_bssid);
1758 } else {
1759 dev_dbg(priv->adapter->dev,
1760 "info: association to bssid %pM failed\n",
1761 priv->cfg_bssid);
1762 memset(priv->cfg_bssid, 0, ETH_ALEN);
1763
1764 if (ret > 0)
1765 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1766 NULL, 0, NULL, 0, ret,
1767 GFP_KERNEL);
1768 else
1769 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1770 NULL, 0, NULL, 0,
1771 WLAN_STATUS_UNSPECIFIED_FAILURE,
1772 GFP_KERNEL);
1773 }
1774
1775 return 0;
1776 }
1777
1778 /*
1779 * This function sets following parameters for ibss network.
1780 * - channel
1781 * - start band
1782 * - 11n flag
1783 * - secondary channel offset
1784 */
1785 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
1786 struct cfg80211_ibss_params *params)
1787 {
1788 struct wiphy *wiphy = priv->wdev->wiphy;
1789 struct mwifiex_adapter *adapter = priv->adapter;
1790 int index = 0, i;
1791 u8 config_bands = 0;
1792
1793 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1794 if (!params->basic_rates) {
1795 config_bands = BAND_B | BAND_G;
1796 } else {
1797 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
1798 /*
1799 * Rates below 6 Mbps in the table are CCK
1800 * rates; 802.11b and from 6 they are OFDM;
1801 * 802.11G
1802 */
1803 if (mwifiex_rates[i].bitrate == 60) {
1804 index = 1 << i;
1805 break;
1806 }
1807 }
1808
1809 if (params->basic_rates < index) {
1810 config_bands = BAND_B;
1811 } else {
1812 config_bands = BAND_G;
1813 if (params->basic_rates % index)
1814 config_bands |= BAND_B;
1815 }
1816 }
1817
1818 if (cfg80211_get_chandef_type(&params->chandef) !=
1819 NL80211_CHAN_NO_HT)
1820 config_bands |= BAND_G | BAND_GN;
1821 } else {
1822 if (cfg80211_get_chandef_type(&params->chandef) ==
1823 NL80211_CHAN_NO_HT)
1824 config_bands = BAND_A;
1825 else
1826 config_bands = BAND_AN | BAND_A;
1827 }
1828
1829 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
1830 adapter->config_bands = config_bands;
1831 adapter->adhoc_start_band = config_bands;
1832
1833 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
1834 adapter->adhoc_11n_enabled = true;
1835 else
1836 adapter->adhoc_11n_enabled = false;
1837 }
1838
1839 adapter->sec_chan_offset =
1840 mwifiex_chan_type_to_sec_chan_offset(
1841 cfg80211_get_chandef_type(&params->chandef));
1842 priv->adhoc_channel = ieee80211_frequency_to_channel(
1843 params->chandef.chan->center_freq);
1844
1845 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
1846 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
1847
1848 return 0;
1849 }
1850
1851 /*
1852 * CFG802.11 operation handler to join an IBSS.
1853 *
1854 * This function does not work in any mode other than Ad-Hoc, or if
1855 * a join operation is already in progress.
1856 */
1857 static int
1858 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1859 struct cfg80211_ibss_params *params)
1860 {
1861 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1862 int ret = 0;
1863
1864 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
1865 wiphy_err(wiphy, "request to join ibss received "
1866 "when station is not in ibss mode\n");
1867 goto done;
1868 }
1869
1870 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1871 (char *) params->ssid, params->bssid);
1872
1873 mwifiex_set_ibss_params(priv, params);
1874
1875 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
1876 params->bssid, priv->bss_mode,
1877 params->chandef.chan, NULL,
1878 params->privacy);
1879 done:
1880 if (!ret) {
1881 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
1882 params->chandef.chan, GFP_KERNEL);
1883 dev_dbg(priv->adapter->dev,
1884 "info: joined/created adhoc network with bssid"
1885 " %pM successfully\n", priv->cfg_bssid);
1886 } else {
1887 dev_dbg(priv->adapter->dev,
1888 "info: failed creating/joining adhoc network\n");
1889 }
1890
1891 return ret;
1892 }
1893
1894 /*
1895 * CFG802.11 operation handler to leave an IBSS.
1896 *
1897 * This function does not work if a leave operation is
1898 * already in progress.
1899 */
1900 static int
1901 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1902 {
1903 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1904
1905 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1906 priv->cfg_bssid);
1907 if (mwifiex_deauthenticate(priv, NULL))
1908 return -EFAULT;
1909
1910 memset(priv->cfg_bssid, 0, ETH_ALEN);
1911
1912 return 0;
1913 }
1914
1915 /*
1916 * CFG802.11 operation handler for scan request.
1917 *
1918 * This function issues a scan request to the firmware based upon
1919 * the user specified scan configuration. On successfull completion,
1920 * it also informs the results.
1921 */
1922 static int
1923 mwifiex_cfg80211_scan(struct wiphy *wiphy,
1924 struct cfg80211_scan_request *request)
1925 {
1926 struct net_device *dev = request->wdev->netdev;
1927 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1928 int i, offset, ret;
1929 struct ieee80211_channel *chan;
1930 struct ieee_types_header *ie;
1931 struct mwifiex_user_scan_cfg *user_scan_cfg;
1932
1933 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1934
1935 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
1936 atomic_read(&priv->wmm.tx_pkts_queued) >=
1937 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) {
1938 dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n");
1939 return -EBUSY;
1940 }
1941
1942 /* Block scan request if scan operation or scan cleanup when interface
1943 * is disabled is in process
1944 */
1945 if (priv->scan_request || priv->scan_aborting) {
1946 dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
1947 return -EBUSY;
1948 }
1949
1950 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
1951 if (!user_scan_cfg)
1952 return -ENOMEM;
1953
1954 priv->scan_request = request;
1955
1956 user_scan_cfg->num_ssids = request->n_ssids;
1957 user_scan_cfg->ssid_list = request->ssids;
1958
1959 if (request->ie && request->ie_len) {
1960 offset = 0;
1961 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1962 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1963 continue;
1964 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
1965 ie = (struct ieee_types_header *)(request->ie + offset);
1966 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
1967 offset += sizeof(*ie) + ie->len;
1968
1969 if (offset >= request->ie_len)
1970 break;
1971 }
1972 }
1973
1974 for (i = 0; i < min_t(u32, request->n_channels,
1975 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
1976 chan = request->channels[i];
1977 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1978 user_scan_cfg->chan_list[i].radio_type = chan->band;
1979
1980 if (chan->flags & IEEE80211_CHAN_NO_IR)
1981 user_scan_cfg->chan_list[i].scan_type =
1982 MWIFIEX_SCAN_TYPE_PASSIVE;
1983 else
1984 user_scan_cfg->chan_list[i].scan_type =
1985 MWIFIEX_SCAN_TYPE_ACTIVE;
1986
1987 user_scan_cfg->chan_list[i].scan_time = 0;
1988 }
1989
1990 ret = mwifiex_scan_networks(priv, user_scan_cfg);
1991 kfree(user_scan_cfg);
1992 if (ret) {
1993 dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
1994 priv->scan_aborting = false;
1995 priv->scan_request = NULL;
1996 return ret;
1997 }
1998
1999 if (request->ie && request->ie_len) {
2000 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2001 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2002 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2003 memset(&priv->vs_ie[i].ie, 0,
2004 MWIFIEX_MAX_VSIE_LEN);
2005 }
2006 }
2007 }
2008 return 0;
2009 }
2010
2011 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2012 struct mwifiex_private *priv)
2013 {
2014 struct mwifiex_adapter *adapter = priv->adapter;
2015
2016 vht_info->vht_supported = true;
2017
2018 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2019 /* Update MCS support for VHT */
2020 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2021 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2022 vht_info->vht_mcs.rx_highest = 0;
2023 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2024 adapter->hw_dot_11ac_mcs_support >> 16);
2025 vht_info->vht_mcs.tx_highest = 0;
2026 }
2027
2028 /*
2029 * This function sets up the CFG802.11 specific HT capability fields
2030 * with default values.
2031 *
2032 * The following default values are set -
2033 * - HT Supported = True
2034 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2035 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2036 * - HT Capabilities supported by firmware
2037 * - MCS information, Rx mask = 0xff
2038 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2039 */
2040 static void
2041 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2042 struct mwifiex_private *priv)
2043 {
2044 int rx_mcs_supp;
2045 struct ieee80211_mcs_info mcs_set;
2046 u8 *mcs = (u8 *)&mcs_set;
2047 struct mwifiex_adapter *adapter = priv->adapter;
2048
2049 ht_info->ht_supported = true;
2050 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2051 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2052
2053 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2054
2055 /* Fill HT capability information */
2056 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2057 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2058 else
2059 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2060
2061 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2062 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2063 else
2064 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2065
2066 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2067 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2068 else
2069 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2070
2071 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2072 ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2073 else
2074 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2075
2076 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2077 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2078 else
2079 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2080
2081 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2082 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2083 else
2084 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2085
2086 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2087 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2088 else
2089 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2090
2091 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2092 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2093 else
2094 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2095
2096 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2097 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2098
2099 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2100 /* Set MCS for 1x1/2x2 */
2101 memset(mcs, 0xff, rx_mcs_supp);
2102 /* Clear all the other values */
2103 memset(&mcs[rx_mcs_supp], 0,
2104 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2105 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2106 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2107 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2108 SETHT_MCS32(mcs_set.rx_mask);
2109
2110 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2111
2112 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2113 }
2114
2115 /*
2116 * create a new virtual interface with the given name
2117 */
2118 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2119 const char *name,
2120 enum nl80211_iftype type,
2121 u32 *flags,
2122 struct vif_params *params)
2123 {
2124 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2125 struct mwifiex_private *priv;
2126 struct net_device *dev;
2127 void *mdev_priv;
2128 struct wireless_dev *wdev;
2129
2130 if (!adapter)
2131 return ERR_PTR(-EFAULT);
2132
2133 switch (type) {
2134 case NL80211_IFTYPE_UNSPECIFIED:
2135 case NL80211_IFTYPE_STATION:
2136 case NL80211_IFTYPE_ADHOC:
2137 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2138 if (priv->bss_mode) {
2139 wiphy_err(wiphy,
2140 "cannot create multiple sta/adhoc ifaces\n");
2141 return ERR_PTR(-EINVAL);
2142 }
2143
2144 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2145 if (!wdev)
2146 return ERR_PTR(-ENOMEM);
2147
2148 wdev->wiphy = wiphy;
2149 priv->wdev = wdev;
2150 wdev->iftype = NL80211_IFTYPE_STATION;
2151
2152 if (type == NL80211_IFTYPE_UNSPECIFIED)
2153 priv->bss_mode = NL80211_IFTYPE_STATION;
2154 else
2155 priv->bss_mode = type;
2156
2157 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2158 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2159 priv->bss_priority = 0;
2160 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2161 priv->bss_num = 0;
2162
2163 break;
2164 case NL80211_IFTYPE_AP:
2165 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
2166
2167 if (priv->bss_mode) {
2168 wiphy_err(wiphy, "Can't create multiple AP interfaces");
2169 return ERR_PTR(-EINVAL);
2170 }
2171
2172 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2173 if (!wdev)
2174 return ERR_PTR(-ENOMEM);
2175
2176 priv->wdev = wdev;
2177 wdev->wiphy = wiphy;
2178 wdev->iftype = NL80211_IFTYPE_AP;
2179
2180 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2181 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2182 priv->bss_priority = 0;
2183 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2184 priv->bss_started = 0;
2185 priv->bss_num = 0;
2186 priv->bss_mode = type;
2187
2188 break;
2189 case NL80211_IFTYPE_P2P_CLIENT:
2190 priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
2191
2192 if (priv->bss_mode) {
2193 wiphy_err(wiphy, "Can't create multiple P2P ifaces");
2194 return ERR_PTR(-EINVAL);
2195 }
2196
2197 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2198 if (!wdev)
2199 return ERR_PTR(-ENOMEM);
2200
2201 priv->wdev = wdev;
2202 wdev->wiphy = wiphy;
2203
2204 /* At start-up, wpa_supplicant tries to change the interface
2205 * to NL80211_IFTYPE_STATION if it is not managed mode.
2206 */
2207 wdev->iftype = NL80211_IFTYPE_P2P_CLIENT;
2208 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2209
2210 /* Setting bss_type to P2P tells firmware that this interface
2211 * is receiving P2P peers found during find phase and doing
2212 * action frame handshake.
2213 */
2214 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2215
2216 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2217 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2218 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2219 priv->bss_started = 0;
2220 priv->bss_num = 0;
2221
2222 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2223 wdev = ERR_PTR(-EFAULT);
2224 goto done;
2225 }
2226
2227 break;
2228 default:
2229 wiphy_err(wiphy, "type not supported\n");
2230 return ERR_PTR(-EINVAL);
2231 }
2232
2233 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2234 ether_setup, IEEE80211_NUM_ACS, 1);
2235 if (!dev) {
2236 wiphy_err(wiphy, "no memory available for netdevice\n");
2237 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2238 wdev = ERR_PTR(-ENOMEM);
2239 goto done;
2240 }
2241
2242 mwifiex_init_priv_params(priv, dev);
2243 priv->netdev = dev;
2244
2245 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
2246 if (adapter->is_hw_11ac_capable)
2247 mwifiex_setup_vht_caps(
2248 &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
2249
2250 if (adapter->config_bands & BAND_A)
2251 mwifiex_setup_ht_caps(
2252 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2253
2254 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2255 mwifiex_setup_vht_caps(
2256 &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);
2257
2258 dev_net_set(dev, wiphy_net(wiphy));
2259 dev->ieee80211_ptr = priv->wdev;
2260 dev->ieee80211_ptr->iftype = priv->bss_mode;
2261 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
2262 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2263
2264 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2265 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2266 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2267 dev->ethtool_ops = &mwifiex_ethtool_ops;
2268
2269 mdev_priv = netdev_priv(dev);
2270 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2271
2272 SET_NETDEV_DEV(dev, adapter->dev);
2273
2274 /* Register network device */
2275 if (register_netdevice(dev)) {
2276 wiphy_err(wiphy, "cannot register virtual network device\n");
2277 free_netdev(dev);
2278 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2279 priv->netdev = NULL;
2280 wdev = ERR_PTR(-EFAULT);
2281 goto done;
2282 }
2283
2284 sema_init(&priv->async_sem, 1);
2285
2286 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
2287
2288 #ifdef CONFIG_DEBUG_FS
2289 mwifiex_dev_debugfs_init(priv);
2290 #endif
2291
2292 done:
2293 if (IS_ERR(wdev)) {
2294 kfree(priv->wdev);
2295 priv->wdev = NULL;
2296 }
2297
2298 return wdev;
2299 }
2300 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2301
2302 /*
2303 * del_virtual_intf: remove the virtual interface determined by dev
2304 */
2305 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
2306 {
2307 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
2308
2309 #ifdef CONFIG_DEBUG_FS
2310 mwifiex_dev_debugfs_remove(priv);
2311 #endif
2312
2313 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
2314
2315 if (netif_carrier_ok(priv->netdev))
2316 netif_carrier_off(priv->netdev);
2317
2318 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2319 unregister_netdevice(wdev->netdev);
2320
2321 /* Clear the priv in adapter */
2322 priv->netdev->ieee80211_ptr = NULL;
2323 priv->netdev = NULL;
2324 kfree(wdev);
2325 priv->wdev = NULL;
2326
2327 priv->media_connected = false;
2328
2329 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2330
2331 return 0;
2332 }
2333 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2334
2335 static bool
2336 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
2337 u8 max_byte_seq)
2338 {
2339 int j, k, valid_byte_cnt = 0;
2340 bool dont_care_byte = false;
2341
2342 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
2343 for (k = 0; k < 8; k++) {
2344 if (pat->mask[j] & 1 << k) {
2345 memcpy(byte_seq + valid_byte_cnt,
2346 &pat->pattern[j * 8 + k], 1);
2347 valid_byte_cnt++;
2348 if (dont_care_byte)
2349 return false;
2350 } else {
2351 if (valid_byte_cnt)
2352 dont_care_byte = true;
2353 }
2354
2355 if (valid_byte_cnt > max_byte_seq)
2356 return false;
2357 }
2358 }
2359
2360 byte_seq[max_byte_seq] = valid_byte_cnt;
2361
2362 return true;
2363 }
2364
2365 #ifdef CONFIG_PM
2366 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
2367 struct cfg80211_wowlan *wowlan)
2368 {
2369 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2370 struct mwifiex_ds_mef_cfg mef_cfg;
2371 struct mwifiex_mef_entry *mef_entry;
2372 int i, filt_num = 0, ret;
2373 bool first_pat = true;
2374 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
2375 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2376 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2377 struct mwifiex_private *priv =
2378 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2379
2380 if (!wowlan) {
2381 dev_warn(adapter->dev, "None of the WOWLAN triggers enabled\n");
2382 return 0;
2383 }
2384
2385 if (!priv->media_connected) {
2386 dev_warn(adapter->dev,
2387 "Can not configure WOWLAN in disconnected state\n");
2388 return 0;
2389 }
2390
2391 mef_entry = kzalloc(sizeof(*mef_entry), GFP_KERNEL);
2392 if (!mef_entry)
2393 return -ENOMEM;
2394
2395 memset(&mef_cfg, 0, sizeof(mef_cfg));
2396 mef_cfg.num_entries = 1;
2397 mef_cfg.mef_entry = mef_entry;
2398 mef_entry->mode = MEF_MODE_HOST_SLEEP;
2399 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
2400
2401 for (i = 0; i < wowlan->n_patterns; i++) {
2402 memset(byte_seq, 0, sizeof(byte_seq));
2403 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
2404 byte_seq,
2405 MWIFIEX_MEF_MAX_BYTESEQ)) {
2406 wiphy_err(wiphy, "Pattern not supported\n");
2407 kfree(mef_entry);
2408 return -EOPNOTSUPP;
2409 }
2410
2411 if (!wowlan->patterns[i].pkt_offset) {
2412 if (!(byte_seq[0] & 0x01) &&
2413 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
2414 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2415 continue;
2416 } else if (is_broadcast_ether_addr(byte_seq)) {
2417 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST;
2418 continue;
2419 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
2420 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
2421 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
2422 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
2423 mef_cfg.criteria |= MWIFIEX_CRITERIA_MULTICAST;
2424 continue;
2425 }
2426 }
2427
2428 mef_entry->filter[filt_num].repeat = 1;
2429 mef_entry->filter[filt_num].offset =
2430 wowlan->patterns[i].pkt_offset;
2431 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
2432 sizeof(byte_seq));
2433 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2434
2435 if (first_pat)
2436 first_pat = false;
2437 else
2438 mef_entry->filter[filt_num].filt_action = TYPE_AND;
2439
2440 filt_num++;
2441 }
2442
2443 if (wowlan->magic_pkt) {
2444 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2445 mef_entry->filter[filt_num].repeat = 16;
2446 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
2447 ETH_ALEN);
2448 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
2449 ETH_ALEN;
2450 mef_entry->filter[filt_num].offset = 28;
2451 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2452 if (filt_num)
2453 mef_entry->filter[filt_num].filt_action = TYPE_OR;
2454
2455 filt_num++;
2456 mef_entry->filter[filt_num].repeat = 16;
2457 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
2458 ETH_ALEN);
2459 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
2460 ETH_ALEN;
2461 mef_entry->filter[filt_num].offset = 56;
2462 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2463 mef_entry->filter[filt_num].filt_action = TYPE_OR;
2464 }
2465
2466 if (!mef_cfg.criteria)
2467 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
2468 MWIFIEX_CRITERIA_UNICAST |
2469 MWIFIEX_CRITERIA_MULTICAST;
2470
2471 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
2472 HostCmd_ACT_GEN_SET, 0, &mef_cfg, true);
2473
2474 kfree(mef_entry);
2475 return ret;
2476 }
2477
2478 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
2479 {
2480 return 0;
2481 }
2482
2483 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
2484 bool enabled)
2485 {
2486 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2487
2488 device_set_wakeup_enable(adapter->dev, enabled);
2489 }
2490 #endif
2491
2492 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
2493 {
2494 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2495 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2496 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
2497
2498 if ((byte_seq[0] & 0x01) &&
2499 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
2500 return PACKET_TYPE_UNICAST;
2501 else if (!memcmp(byte_seq, bc_mac, 4))
2502 return PACKET_TYPE_BROADCAST;
2503 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
2504 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
2505 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
2506 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
2507 return PACKET_TYPE_MULTICAST;
2508
2509 return 0;
2510 }
2511
2512 static int
2513 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
2514 struct cfg80211_coalesce_rules *crule,
2515 struct mwifiex_coalesce_rule *mrule)
2516 {
2517 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
2518 struct filt_field_param *param;
2519 int i;
2520
2521 mrule->max_coalescing_delay = crule->delay;
2522
2523 param = mrule->params;
2524
2525 for (i = 0; i < crule->n_patterns; i++) {
2526 memset(byte_seq, 0, sizeof(byte_seq));
2527 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
2528 byte_seq,
2529 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
2530 dev_err(priv->adapter->dev, "Pattern not supported\n");
2531 return -EOPNOTSUPP;
2532 }
2533
2534 if (!crule->patterns[i].pkt_offset) {
2535 u8 pkt_type;
2536
2537 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
2538 if (pkt_type && mrule->pkt_type) {
2539 dev_err(priv->adapter->dev,
2540 "Multiple packet types not allowed\n");
2541 return -EOPNOTSUPP;
2542 } else if (pkt_type) {
2543 mrule->pkt_type = pkt_type;
2544 continue;
2545 }
2546 }
2547
2548 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
2549 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
2550 else
2551 param->operation = RECV_FILTER_MATCH_TYPE_NE;
2552
2553 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
2554 memcpy(param->operand_byte_stream, byte_seq,
2555 param->operand_len);
2556 param->offset = crule->patterns[i].pkt_offset;
2557 param++;
2558
2559 mrule->num_of_fields++;
2560 }
2561
2562 if (!mrule->pkt_type) {
2563 dev_err(priv->adapter->dev,
2564 "Packet type can not be determined\n");
2565 return -EOPNOTSUPP;
2566 }
2567
2568 return 0;
2569 }
2570
2571 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
2572 struct cfg80211_coalesce *coalesce)
2573 {
2574 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2575 int i, ret;
2576 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
2577 struct mwifiex_private *priv =
2578 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2579
2580 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
2581 if (!coalesce) {
2582 dev_dbg(adapter->dev,
2583 "Disable coalesce and reset all previous rules\n");
2584 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
2585 HostCmd_ACT_GEN_SET, 0,
2586 &coalesce_cfg, true);
2587 }
2588
2589 coalesce_cfg.num_of_rules = coalesce->n_rules;
2590 for (i = 0; i < coalesce->n_rules; i++) {
2591 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
2592 &coalesce_cfg.rule[i]);
2593 if (ret) {
2594 dev_err(priv->adapter->dev,
2595 "Recheck the patterns provided for rule %d\n",
2596 i + 1);
2597 return ret;
2598 }
2599 }
2600
2601 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
2602 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
2603 }
2604
2605 /* cfg80211 ops handler for tdls_mgmt.
2606 * Function prepares TDLS action frame packets and forwards them to FW
2607 */
2608 static int
2609 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2610 const u8 *peer, u8 action_code, u8 dialog_token,
2611 u16 status_code, u32 peer_capability,
2612 const u8 *extra_ies, size_t extra_ies_len)
2613 {
2614 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2615 int ret;
2616
2617 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2618 return -ENOTSUPP;
2619
2620 /* make sure we are in station mode and connected */
2621 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
2622 return -ENOTSUPP;
2623
2624 switch (action_code) {
2625 case WLAN_TDLS_SETUP_REQUEST:
2626 dev_dbg(priv->adapter->dev,
2627 "Send TDLS Setup Request to %pM status_code=%d\n", peer,
2628 status_code);
2629 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2630 dialog_token, status_code,
2631 extra_ies, extra_ies_len);
2632 break;
2633 case WLAN_TDLS_SETUP_RESPONSE:
2634 dev_dbg(priv->adapter->dev,
2635 "Send TDLS Setup Response to %pM status_code=%d\n",
2636 peer, status_code);
2637 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2638 dialog_token, status_code,
2639 extra_ies, extra_ies_len);
2640 break;
2641 case WLAN_TDLS_SETUP_CONFIRM:
2642 dev_dbg(priv->adapter->dev,
2643 "Send TDLS Confirm to %pM status_code=%d\n", peer,
2644 status_code);
2645 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2646 dialog_token, status_code,
2647 extra_ies, extra_ies_len);
2648 break;
2649 case WLAN_TDLS_TEARDOWN:
2650 dev_dbg(priv->adapter->dev, "Send TDLS Tear down to %pM\n",
2651 peer);
2652 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2653 dialog_token, status_code,
2654 extra_ies, extra_ies_len);
2655 break;
2656 case WLAN_TDLS_DISCOVERY_REQUEST:
2657 dev_dbg(priv->adapter->dev,
2658 "Send TDLS Discovery Request to %pM\n", peer);
2659 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2660 dialog_token, status_code,
2661 extra_ies, extra_ies_len);
2662 break;
2663 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2664 dev_dbg(priv->adapter->dev,
2665 "Send TDLS Discovery Response to %pM\n", peer);
2666 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
2667 dialog_token, status_code,
2668 extra_ies, extra_ies_len);
2669 break;
2670 default:
2671 dev_warn(priv->adapter->dev,
2672 "Unknown TDLS mgmt/action frame %pM\n", peer);
2673 ret = -EINVAL;
2674 break;
2675 }
2676
2677 return ret;
2678 }
2679
2680 static int
2681 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2682 const u8 *peer, enum nl80211_tdls_operation action)
2683 {
2684 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2685
2686 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
2687 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
2688 return -ENOTSUPP;
2689
2690 /* make sure we are in station mode and connected */
2691 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
2692 return -ENOTSUPP;
2693
2694 dev_dbg(priv->adapter->dev,
2695 "TDLS peer=%pM, oper=%d\n", peer, action);
2696
2697 switch (action) {
2698 case NL80211_TDLS_ENABLE_LINK:
2699 action = MWIFIEX_TDLS_ENABLE_LINK;
2700 break;
2701 case NL80211_TDLS_DISABLE_LINK:
2702 action = MWIFIEX_TDLS_DISABLE_LINK;
2703 break;
2704 case NL80211_TDLS_TEARDOWN:
2705 /* shouldn't happen!*/
2706 dev_warn(priv->adapter->dev,
2707 "tdls_oper: teardown from driver not supported\n");
2708 return -EINVAL;
2709 case NL80211_TDLS_SETUP:
2710 /* shouldn't happen!*/
2711 dev_warn(priv->adapter->dev,
2712 "tdls_oper: setup from driver not supported\n");
2713 return -EINVAL;
2714 case NL80211_TDLS_DISCOVERY_REQ:
2715 /* shouldn't happen!*/
2716 dev_warn(priv->adapter->dev,
2717 "tdls_oper: discovery from driver not supported\n");
2718 return -EINVAL;
2719 default:
2720 dev_err(priv->adapter->dev,
2721 "tdls_oper: operation not supported\n");
2722 return -ENOTSUPP;
2723 }
2724
2725 return mwifiex_tdls_oper(priv, peer, action);
2726 }
2727
2728 static int
2729 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
2730 const u8 *mac, struct station_parameters *params)
2731 {
2732 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2733
2734 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2735 return -ENOTSUPP;
2736
2737 /* make sure we are in station mode and connected */
2738 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
2739 return -ENOTSUPP;
2740
2741 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
2742 }
2743
2744 static int
2745 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
2746 const u8 *mac,
2747 struct station_parameters *params)
2748 {
2749 int ret;
2750 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2751
2752 /* we support change_station handler only for TDLS peers*/
2753 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2754 return -ENOTSUPP;
2755
2756 /* make sure we are in station mode and connected */
2757 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
2758 return -ENOTSUPP;
2759
2760 priv->sta_params = params;
2761
2762 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
2763 priv->sta_params = NULL;
2764
2765 return ret;
2766 }
2767
2768 /* station cfg80211 operations */
2769 static struct cfg80211_ops mwifiex_cfg80211_ops = {
2770 .add_virtual_intf = mwifiex_add_virtual_intf,
2771 .del_virtual_intf = mwifiex_del_virtual_intf,
2772 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
2773 .scan = mwifiex_cfg80211_scan,
2774 .connect = mwifiex_cfg80211_connect,
2775 .disconnect = mwifiex_cfg80211_disconnect,
2776 .get_station = mwifiex_cfg80211_get_station,
2777 .dump_station = mwifiex_cfg80211_dump_station,
2778 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
2779 .join_ibss = mwifiex_cfg80211_join_ibss,
2780 .leave_ibss = mwifiex_cfg80211_leave_ibss,
2781 .add_key = mwifiex_cfg80211_add_key,
2782 .del_key = mwifiex_cfg80211_del_key,
2783 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
2784 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
2785 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
2786 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
2787 .set_default_key = mwifiex_cfg80211_set_default_key,
2788 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
2789 .set_tx_power = mwifiex_cfg80211_set_tx_power,
2790 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
2791 .start_ap = mwifiex_cfg80211_start_ap,
2792 .stop_ap = mwifiex_cfg80211_stop_ap,
2793 .change_beacon = mwifiex_cfg80211_change_beacon,
2794 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
2795 .set_antenna = mwifiex_cfg80211_set_antenna,
2796 .del_station = mwifiex_cfg80211_del_station,
2797 #ifdef CONFIG_PM
2798 .suspend = mwifiex_cfg80211_suspend,
2799 .resume = mwifiex_cfg80211_resume,
2800 .set_wakeup = mwifiex_cfg80211_set_wakeup,
2801 #endif
2802 .set_coalesce = mwifiex_cfg80211_set_coalesce,
2803 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
2804 .tdls_oper = mwifiex_cfg80211_tdls_oper,
2805 .add_station = mwifiex_cfg80211_add_station,
2806 .change_station = mwifiex_cfg80211_change_station,
2807 };
2808
2809 #ifdef CONFIG_PM
2810 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
2811 .flags = WIPHY_WOWLAN_MAGIC_PKT,
2812 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
2813 .pattern_min_len = 1,
2814 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
2815 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
2816 };
2817 #endif
2818
2819 static bool mwifiex_is_valid_alpha2(const char *alpha2)
2820 {
2821 if (!alpha2 || strlen(alpha2) != 2)
2822 return false;
2823
2824 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
2825 return true;
2826
2827 return false;
2828 }
2829
2830 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
2831 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
2832 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
2833 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
2834 .pattern_min_len = 1,
2835 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
2836 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
2837 };
2838
2839 /*
2840 * This function registers the device with CFG802.11 subsystem.
2841 *
2842 * The function creates the wireless device/wiphy, populates it with
2843 * default parameters and handler function pointers, and finally
2844 * registers the device.
2845 */
2846
2847 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
2848 {
2849 int ret;
2850 void *wdev_priv;
2851 struct wiphy *wiphy;
2852 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2853 u8 *country_code;
2854 u32 thr, retry;
2855
2856 /* create a new wiphy for use with cfg80211 */
2857 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
2858 sizeof(struct mwifiex_adapter *));
2859 if (!wiphy) {
2860 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
2861 return -ENOMEM;
2862 }
2863 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
2864 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
2865 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
2866 wiphy->max_remain_on_channel_duration = 5000;
2867 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2868 BIT(NL80211_IFTYPE_ADHOC) |
2869 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2870 BIT(NL80211_IFTYPE_P2P_GO) |
2871 BIT(NL80211_IFTYPE_AP);
2872
2873 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
2874 if (adapter->config_bands & BAND_A)
2875 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
2876 else
2877 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
2878
2879 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
2880 wiphy->n_iface_combinations = 1;
2881
2882 /* Initialize cipher suits */
2883 wiphy->cipher_suites = mwifiex_cipher_suites;
2884 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
2885
2886 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
2887 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2888 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
2889 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2890 WIPHY_FLAG_AP_UAPSD |
2891 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2892
2893 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
2894 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
2895 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
2896
2897 #ifdef CONFIG_PM
2898 wiphy->wowlan = &mwifiex_wowlan_support;
2899 #endif
2900
2901 wiphy->coalesce = &mwifiex_coalesce_support;
2902
2903 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2904 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2905 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2906
2907 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
2908 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
2909
2910 wiphy->features |= NL80211_FEATURE_HT_IBSS |
2911 NL80211_FEATURE_INACTIVITY_TIMER |
2912 NL80211_FEATURE_LOW_PRIORITY_SCAN |
2913 NL80211_FEATURE_NEED_OBSS_SCAN;
2914
2915 /* Reserve space for mwifiex specific private data for BSS */
2916 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
2917
2918 wiphy->reg_notifier = mwifiex_reg_notifier;
2919
2920 /* Set struct mwifiex_adapter pointer in wiphy_priv */
2921 wdev_priv = wiphy_priv(wiphy);
2922 *(unsigned long *)wdev_priv = (unsigned long)adapter;
2923
2924 set_wiphy_dev(wiphy, priv->adapter->dev);
2925
2926 ret = wiphy_register(wiphy);
2927 if (ret < 0) {
2928 dev_err(adapter->dev,
2929 "%s: wiphy_register failed: %d\n", __func__, ret);
2930 wiphy_free(wiphy);
2931 return ret;
2932 }
2933
2934 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
2935 wiphy_info(wiphy, "driver hint alpha2: %2.2s\n", reg_alpha2);
2936 regulatory_hint(wiphy, reg_alpha2);
2937 } else {
2938 country_code = mwifiex_11d_code_2_region(adapter->region_code);
2939 if (country_code)
2940 wiphy_info(wiphy, "ignoring F/W country code %2.2s\n",
2941 country_code);
2942 }
2943
2944 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2945 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
2946 wiphy->frag_threshold = thr;
2947 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2948 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
2949 wiphy->rts_threshold = thr;
2950 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2951 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
2952 wiphy->retry_short = (u8) retry;
2953 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2954 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
2955 wiphy->retry_long = (u8) retry;
2956
2957 adapter->wiphy = wiphy;
2958 return ret;
2959 }
Linux kernel - Deliverables
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