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Merge tag 'clk-for-linus-3.16-part2' of git://git.linaro.org/people/mike.turquette...
[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 static const struct ieee80211_regdomain mwifiex_world_regdom_custom = {
46 .n_reg_rules = 7,
47 .alpha2 = "99",
48 .reg_rules = {
49 /* Channel 1 - 11 */
50 REG_RULE(2412-10, 2462+10, 40, 3, 20, 0),
51 /* Channel 12 - 13 */
52 REG_RULE(2467-10, 2472+10, 20, 3, 20,
53 NL80211_RRF_NO_IR),
54 /* Channel 14 */
55 REG_RULE(2484-10, 2484+10, 20, 3, 20,
56 NL80211_RRF_NO_IR |
57 NL80211_RRF_NO_OFDM),
58 /* Channel 36 - 48 */
59 REG_RULE(5180-10, 5240+10, 40, 3, 20,
60 NL80211_RRF_NO_IR),
61 /* Channel 149 - 165 */
62 REG_RULE(5745-10, 5825+10, 40, 3, 20,
63 NL80211_RRF_NO_IR),
64 /* Channel 52 - 64 */
65 REG_RULE(5260-10, 5320+10, 40, 3, 30,
66 NL80211_RRF_NO_IR |
67 NL80211_RRF_DFS),
68 /* Channel 100 - 140 */
69 REG_RULE(5500-10, 5700+10, 40, 3, 30,
70 NL80211_RRF_NO_IR |
71 NL80211_RRF_DFS),
72 }
73 };
74
75 /*
76 * This function maps the nl802.11 channel type into driver channel type.
77 *
78 * The mapping is as follows -
79 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
80 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
81 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
82 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
83 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
84 */
85 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
86 {
87 switch (chan_type) {
88 case NL80211_CHAN_NO_HT:
89 case NL80211_CHAN_HT20:
90 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
91 case NL80211_CHAN_HT40PLUS:
92 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
93 case NL80211_CHAN_HT40MINUS:
94 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
95 default:
96 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
97 }
98 }
99
100 /*
101 * This function checks whether WEP is set.
102 */
103 static int
104 mwifiex_is_alg_wep(u32 cipher)
105 {
106 switch (cipher) {
107 case WLAN_CIPHER_SUITE_WEP40:
108 case WLAN_CIPHER_SUITE_WEP104:
109 return 1;
110 default:
111 break;
112 }
113
114 return 0;
115 }
116
117 /*
118 * This function retrieves the private structure from kernel wiphy structure.
119 */
120 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
121 {
122 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
123 }
124
125 /*
126 * CFG802.11 operation handler to delete a network key.
127 */
128 static int
129 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
130 u8 key_index, bool pairwise, const u8 *mac_addr)
131 {
132 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
133 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
134 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
135
136 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
137 wiphy_err(wiphy, "deleting the crypto keys\n");
138 return -EFAULT;
139 }
140
141 wiphy_dbg(wiphy, "info: crypto keys deleted\n");
142 return 0;
143 }
144
145 /*
146 * This function forms an skb for management frame.
147 */
148 static int
149 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
150 {
151 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
152 u16 pkt_len;
153 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
154 struct timeval tv;
155
156 pkt_len = len + ETH_ALEN;
157
158 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
159 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
160 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
161
162 memcpy(skb_push(skb, sizeof(tx_control)),
163 &tx_control, sizeof(tx_control));
164
165 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
166
167 /* Add packet data and address4 */
168 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
169 sizeof(struct ieee80211_hdr_3addr));
170 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
171 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
172 buf + sizeof(struct ieee80211_hdr_3addr),
173 len - sizeof(struct ieee80211_hdr_3addr));
174
175 skb->priority = LOW_PRIO_TID;
176 do_gettimeofday(&tv);
177 skb->tstamp = timeval_to_ktime(tv);
178
179 return 0;
180 }
181
182 /*
183 * CFG802.11 operation handler to transmit a management frame.
184 */
185 static int
186 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
187 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
188 {
189 const u8 *buf = params->buf;
190 size_t len = params->len;
191 struct sk_buff *skb;
192 u16 pkt_len;
193 const struct ieee80211_mgmt *mgmt;
194 struct mwifiex_txinfo *tx_info;
195 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
196
197 if (!buf || !len) {
198 wiphy_err(wiphy, "invalid buffer and length\n");
199 return -EFAULT;
200 }
201
202 mgmt = (const struct ieee80211_mgmt *)buf;
203 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
204 ieee80211_is_probe_resp(mgmt->frame_control)) {
205 /* Since we support offload probe resp, we need to skip probe
206 * resp in AP or GO mode */
207 wiphy_dbg(wiphy,
208 "info: skip to send probe resp in AP or GO mode\n");
209 return 0;
210 }
211
212 pkt_len = len + ETH_ALEN;
213 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
214 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
215 pkt_len + sizeof(pkt_len));
216
217 if (!skb) {
218 wiphy_err(wiphy, "allocate skb failed for management frame\n");
219 return -ENOMEM;
220 }
221
222 tx_info = MWIFIEX_SKB_TXCB(skb);
223 tx_info->bss_num = priv->bss_num;
224 tx_info->bss_type = priv->bss_type;
225 tx_info->pkt_len = pkt_len;
226
227 mwifiex_form_mgmt_frame(skb, buf, len);
228 mwifiex_queue_tx_pkt(priv, skb);
229
230 *cookie = prandom_u32() | 1;
231 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC);
232
233 wiphy_dbg(wiphy, "info: management frame transmitted\n");
234 return 0;
235 }
236
237 /*
238 * CFG802.11 operation handler to register a mgmt frame.
239 */
240 static void
241 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
242 struct wireless_dev *wdev,
243 u16 frame_type, bool reg)
244 {
245 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
246 u32 mask;
247
248 if (reg)
249 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
250 else
251 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
252
253 if (mask != priv->mgmt_frame_mask) {
254 priv->mgmt_frame_mask = mask;
255 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
256 HostCmd_ACT_GEN_SET, 0,
257 &priv->mgmt_frame_mask, false);
258 wiphy_dbg(wiphy, "info: mgmt frame registered\n");
259 }
260 }
261
262 /*
263 * CFG802.11 operation handler to remain on channel.
264 */
265 static int
266 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
267 struct wireless_dev *wdev,
268 struct ieee80211_channel *chan,
269 unsigned int duration, u64 *cookie)
270 {
271 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
272 int ret;
273
274 if (!chan || !cookie) {
275 wiphy_err(wiphy, "Invalid parameter for ROC\n");
276 return -EINVAL;
277 }
278
279 if (priv->roc_cfg.cookie) {
280 wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n",
281 priv->roc_cfg.cookie);
282 return -EBUSY;
283 }
284
285 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
286 duration);
287
288 if (!ret) {
289 *cookie = prandom_u32() | 1;
290 priv->roc_cfg.cookie = *cookie;
291 priv->roc_cfg.chan = *chan;
292
293 cfg80211_ready_on_channel(wdev, *cookie, chan,
294 duration, GFP_ATOMIC);
295
296 wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
297 }
298
299 return ret;
300 }
301
302 /*
303 * CFG802.11 operation handler to cancel remain on channel.
304 */
305 static int
306 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
307 struct wireless_dev *wdev, u64 cookie)
308 {
309 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
310 int ret;
311
312 if (cookie != priv->roc_cfg.cookie)
313 return -ENOENT;
314
315 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
316 &priv->roc_cfg.chan, 0);
317
318 if (!ret) {
319 cfg80211_remain_on_channel_expired(wdev, cookie,
320 &priv->roc_cfg.chan,
321 GFP_ATOMIC);
322
323 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
324
325 wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
326 }
327
328 return ret;
329 }
330
331 /*
332 * CFG802.11 operation handler to set Tx power.
333 */
334 static int
335 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
336 struct wireless_dev *wdev,
337 enum nl80211_tx_power_setting type,
338 int mbm)
339 {
340 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
341 struct mwifiex_private *priv;
342 struct mwifiex_power_cfg power_cfg;
343 int dbm = MBM_TO_DBM(mbm);
344
345 if (type == NL80211_TX_POWER_FIXED) {
346 power_cfg.is_power_auto = 0;
347 power_cfg.power_level = dbm;
348 } else {
349 power_cfg.is_power_auto = 1;
350 }
351
352 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
353
354 return mwifiex_set_tx_power(priv, &power_cfg);
355 }
356
357 /*
358 * CFG802.11 operation handler to set Power Save option.
359 *
360 * The timeout value, if provided, is currently ignored.
361 */
362 static int
363 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
364 struct net_device *dev,
365 bool enabled, int timeout)
366 {
367 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
368 u32 ps_mode;
369
370 if (timeout)
371 wiphy_dbg(wiphy,
372 "info: ignore timeout value for IEEE Power Save\n");
373
374 ps_mode = enabled;
375
376 return mwifiex_drv_set_power(priv, &ps_mode);
377 }
378
379 /*
380 * CFG802.11 operation handler to set the default network key.
381 */
382 static int
383 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
384 u8 key_index, bool unicast,
385 bool multicast)
386 {
387 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
388
389 /* Return if WEP key not configured */
390 if (!priv->sec_info.wep_enabled)
391 return 0;
392
393 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
394 priv->wep_key_curr_index = key_index;
395 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
396 NULL, 0)) {
397 wiphy_err(wiphy, "set default Tx key index\n");
398 return -EFAULT;
399 }
400
401 return 0;
402 }
403
404 /*
405 * CFG802.11 operation handler to add a network key.
406 */
407 static int
408 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
409 u8 key_index, bool pairwise, const u8 *mac_addr,
410 struct key_params *params)
411 {
412 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
413 struct mwifiex_wep_key *wep_key;
414 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
415 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
416
417 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
418 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
419 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
420 if (params->key && params->key_len) {
421 wep_key = &priv->wep_key[key_index];
422 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
423 memcpy(wep_key->key_material, params->key,
424 params->key_len);
425 wep_key->key_index = key_index;
426 wep_key->key_length = params->key_len;
427 priv->sec_info.wep_enabled = 1;
428 }
429 return 0;
430 }
431
432 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
433 key_index, peer_mac, 0)) {
434 wiphy_err(wiphy, "crypto keys added\n");
435 return -EFAULT;
436 }
437
438 return 0;
439 }
440
441 /*
442 * This function sends domain information to the firmware.
443 *
444 * The following information are passed to the firmware -
445 * - Country codes
446 * - Sub bands (first channel, number of channels, maximum Tx power)
447 */
448 static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
449 {
450 u8 no_of_triplet = 0;
451 struct ieee80211_country_ie_triplet *t;
452 u8 no_of_parsed_chan = 0;
453 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
454 u8 i, flag = 0;
455 enum ieee80211_band band;
456 struct ieee80211_supported_band *sband;
457 struct ieee80211_channel *ch;
458 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
459 struct mwifiex_private *priv;
460 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
461
462 /* Set country code */
463 domain_info->country_code[0] = adapter->country_code[0];
464 domain_info->country_code[1] = adapter->country_code[1];
465 domain_info->country_code[2] = ' ';
466
467 band = mwifiex_band_to_radio_type(adapter->config_bands);
468 if (!wiphy->bands[band]) {
469 wiphy_err(wiphy, "11D: setting domain info in FW\n");
470 return -1;
471 }
472
473 sband = wiphy->bands[band];
474
475 for (i = 0; i < sband->n_channels ; i++) {
476 ch = &sband->channels[i];
477 if (ch->flags & IEEE80211_CHAN_DISABLED)
478 continue;
479
480 if (!flag) {
481 flag = 1;
482 first_chan = (u32) ch->hw_value;
483 next_chan = first_chan;
484 max_pwr = ch->max_power;
485 no_of_parsed_chan = 1;
486 continue;
487 }
488
489 if (ch->hw_value == next_chan + 1 &&
490 ch->max_power == max_pwr) {
491 next_chan++;
492 no_of_parsed_chan++;
493 } else {
494 t = &domain_info->triplet[no_of_triplet];
495 t->chans.first_channel = first_chan;
496 t->chans.num_channels = no_of_parsed_chan;
497 t->chans.max_power = max_pwr;
498 no_of_triplet++;
499 first_chan = (u32) ch->hw_value;
500 next_chan = first_chan;
501 max_pwr = ch->max_power;
502 no_of_parsed_chan = 1;
503 }
504 }
505
506 if (flag) {
507 t = &domain_info->triplet[no_of_triplet];
508 t->chans.first_channel = first_chan;
509 t->chans.num_channels = no_of_parsed_chan;
510 t->chans.max_power = max_pwr;
511 no_of_triplet++;
512 }
513
514 domain_info->no_of_triplet = no_of_triplet;
515
516 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
517
518 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
519 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
520 wiphy_err(wiphy, "11D: setting domain info in FW\n");
521 return -1;
522 }
523
524 return 0;
525 }
526
527 /*
528 * CFG802.11 regulatory domain callback function.
529 *
530 * This function is called when the regulatory domain is changed due to the
531 * following reasons -
532 * - Set by driver
533 * - Set by system core
534 * - Set by user
535 * - Set bt Country IE
536 */
537 static void mwifiex_reg_notifier(struct wiphy *wiphy,
538 struct regulatory_request *request)
539 {
540 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
541 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
542 MWIFIEX_BSS_ROLE_ANY);
543
544 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
545 request->alpha2[0], request->alpha2[1]);
546
547 switch (request->initiator) {
548 case NL80211_REGDOM_SET_BY_DRIVER:
549 case NL80211_REGDOM_SET_BY_CORE:
550 case NL80211_REGDOM_SET_BY_USER:
551 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
552 break;
553 default:
554 wiphy_err(wiphy, "unknown regdom initiator: %d\n",
555 request->initiator);
556 return;
557 }
558
559 /* Don't send world or same regdom info to firmware */
560 if (strncmp(request->alpha2, "00", 2) &&
561 strncmp(request->alpha2, adapter->country_code,
562 sizeof(request->alpha2))) {
563 memcpy(adapter->country_code, request->alpha2,
564 sizeof(request->alpha2));
565 mwifiex_send_domain_info_cmd_fw(wiphy);
566 mwifiex_dnld_txpwr_table(priv);
567 }
568 }
569
570 /*
571 * This function sets the fragmentation threshold.
572 *
573 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
574 * and MWIFIEX_FRAG_MAX_VALUE.
575 */
576 static int
577 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
578 {
579 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
580 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
581 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
582
583 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
584 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
585 &frag_thr, true);
586 }
587
588 /*
589 * This function sets the RTS threshold.
590
591 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
592 * and MWIFIEX_RTS_MAX_VALUE.
593 */
594 static int
595 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
596 {
597 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
598 rts_thr = MWIFIEX_RTS_MAX_VALUE;
599
600 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
601 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
602 &rts_thr, true);
603 }
604
605 /*
606 * CFG802.11 operation handler to set wiphy parameters.
607 *
608 * This function can be used to set the RTS threshold and the
609 * Fragmentation threshold of the driver.
610 */
611 static int
612 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
613 {
614 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
615 struct mwifiex_private *priv;
616 struct mwifiex_uap_bss_param *bss_cfg;
617 int ret, bss_started, i;
618
619 for (i = 0; i < adapter->priv_num; i++) {
620 priv = adapter->priv[i];
621
622 switch (priv->bss_role) {
623 case MWIFIEX_BSS_ROLE_UAP:
624 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
625 GFP_KERNEL);
626 if (!bss_cfg)
627 return -ENOMEM;
628
629 mwifiex_set_sys_config_invalid_data(bss_cfg);
630
631 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
632 bss_cfg->rts_threshold = wiphy->rts_threshold;
633 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
634 bss_cfg->frag_threshold = wiphy->frag_threshold;
635 if (changed & WIPHY_PARAM_RETRY_LONG)
636 bss_cfg->retry_limit = wiphy->retry_long;
637
638 bss_started = priv->bss_started;
639
640 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
641 HostCmd_ACT_GEN_SET, 0,
642 NULL, true);
643 if (ret) {
644 wiphy_err(wiphy, "Failed to stop the BSS\n");
645 kfree(bss_cfg);
646 return ret;
647 }
648
649 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
650 HostCmd_ACT_GEN_SET,
651 UAP_BSS_PARAMS_I, bss_cfg,
652 false);
653
654 kfree(bss_cfg);
655
656 if (ret) {
657 wiphy_err(wiphy, "Failed to set bss config\n");
658 return ret;
659 }
660
661 if (!bss_started)
662 break;
663
664 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
665 HostCmd_ACT_GEN_SET, 0,
666 NULL, false);
667 if (ret) {
668 wiphy_err(wiphy, "Failed to start BSS\n");
669 return ret;
670 }
671
672 break;
673 case MWIFIEX_BSS_ROLE_STA:
674 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
675 ret = mwifiex_set_rts(priv,
676 wiphy->rts_threshold);
677 if (ret)
678 return ret;
679 }
680 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
681 ret = mwifiex_set_frag(priv,
682 wiphy->frag_threshold);
683 if (ret)
684 return ret;
685 }
686 break;
687 }
688 }
689
690 return 0;
691 }
692
693 static int
694 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
695 {
696 u16 mode = P2P_MODE_DISABLE;
697
698 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
699 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
700
701 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
702 HostCmd_ACT_GEN_SET, 0, &mode, true))
703 return -1;
704
705 return 0;
706 }
707
708 /*
709 * This function initializes the functionalities for P2P client.
710 * The P2P client initialization sequence is:
711 * disable -> device -> client
712 */
713 static int
714 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
715 {
716 u16 mode;
717
718 if (mwifiex_cfg80211_deinit_p2p(priv))
719 return -1;
720
721 mode = P2P_MODE_DEVICE;
722 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
723 HostCmd_ACT_GEN_SET, 0, &mode, true))
724 return -1;
725
726 mode = P2P_MODE_CLIENT;
727 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
728 HostCmd_ACT_GEN_SET, 0, &mode, true))
729 return -1;
730
731 return 0;
732 }
733
734 /*
735 * This function initializes the functionalities for P2P GO.
736 * The P2P GO initialization sequence is:
737 * disable -> device -> GO
738 */
739 static int
740 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
741 {
742 u16 mode;
743
744 if (mwifiex_cfg80211_deinit_p2p(priv))
745 return -1;
746
747 mode = P2P_MODE_DEVICE;
748 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
749 HostCmd_ACT_GEN_SET, 0, &mode, true))
750 return -1;
751
752 mode = P2P_MODE_GO;
753 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
754 HostCmd_ACT_GEN_SET, 0, &mode, true))
755 return -1;
756
757 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
758 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
759
760 return 0;
761 }
762
763 /*
764 * CFG802.11 operation handler to change interface type.
765 */
766 static int
767 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
768 struct net_device *dev,
769 enum nl80211_iftype type, u32 *flags,
770 struct vif_params *params)
771 {
772 int ret;
773 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
774
775 switch (dev->ieee80211_ptr->iftype) {
776 case NL80211_IFTYPE_ADHOC:
777 switch (type) {
778 case NL80211_IFTYPE_STATION:
779 break;
780 case NL80211_IFTYPE_UNSPECIFIED:
781 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
782 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
783 return 0;
784 case NL80211_IFTYPE_AP:
785 default:
786 wiphy_err(wiphy, "%s: changing to %d not supported\n",
787 dev->name, type);
788 return -EOPNOTSUPP;
789 }
790 break;
791 case NL80211_IFTYPE_STATION:
792 switch (type) {
793 case NL80211_IFTYPE_ADHOC:
794 break;
795 case NL80211_IFTYPE_P2P_CLIENT:
796 if (mwifiex_cfg80211_init_p2p_client(priv))
797 return -EFAULT;
798 dev->ieee80211_ptr->iftype = type;
799 return 0;
800 case NL80211_IFTYPE_P2P_GO:
801 if (mwifiex_cfg80211_init_p2p_go(priv))
802 return -EFAULT;
803 dev->ieee80211_ptr->iftype = type;
804 return 0;
805 case NL80211_IFTYPE_UNSPECIFIED:
806 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
807 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
808 return 0;
809 case NL80211_IFTYPE_AP:
810 default:
811 wiphy_err(wiphy, "%s: changing to %d not supported\n",
812 dev->name, type);
813 return -EOPNOTSUPP;
814 }
815 break;
816 case NL80211_IFTYPE_AP:
817 switch (type) {
818 case NL80211_IFTYPE_UNSPECIFIED:
819 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
820 case NL80211_IFTYPE_AP: /* This shouldn't happen */
821 return 0;
822 case NL80211_IFTYPE_ADHOC:
823 case NL80211_IFTYPE_STATION:
824 default:
825 wiphy_err(wiphy, "%s: changing to %d not supported\n",
826 dev->name, type);
827 return -EOPNOTSUPP;
828 }
829 break;
830 case NL80211_IFTYPE_P2P_CLIENT:
831 case NL80211_IFTYPE_P2P_GO:
832 switch (type) {
833 case NL80211_IFTYPE_STATION:
834 if (mwifiex_cfg80211_deinit_p2p(priv))
835 return -EFAULT;
836 dev->ieee80211_ptr->iftype = type;
837 return 0;
838 default:
839 return -EOPNOTSUPP;
840 }
841 break;
842 default:
843 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
844 dev->name, dev->ieee80211_ptr->iftype);
845 return -EOPNOTSUPP;
846 }
847
848 dev->ieee80211_ptr->iftype = type;
849 priv->bss_mode = type;
850 mwifiex_deauthenticate(priv, NULL);
851
852 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
853
854 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
855 HostCmd_ACT_GEN_SET, 0, NULL, true);
856
857 return ret;
858 }
859
860 static void
861 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
862 struct rate_info *rate)
863 {
864 struct mwifiex_adapter *adapter = priv->adapter;
865
866 if (adapter->is_hw_11ac_capable) {
867 /* bit[1-0]: 00=LG 01=HT 10=VHT */
868 if (tx_htinfo & BIT(0)) {
869 /* HT */
870 rate->mcs = priv->tx_rate;
871 rate->flags |= RATE_INFO_FLAGS_MCS;
872 }
873 if (tx_htinfo & BIT(1)) {
874 /* VHT */
875 rate->mcs = priv->tx_rate & 0x0F;
876 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
877 }
878
879 if (tx_htinfo & (BIT(1) | BIT(0))) {
880 /* HT or VHT */
881 switch (tx_htinfo & (BIT(3) | BIT(2))) {
882 case 0:
883 /* This will be 20MHz */
884 break;
885 case (BIT(2)):
886 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
887 break;
888 case (BIT(3)):
889 rate->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
890 break;
891 case (BIT(3) | BIT(2)):
892 rate->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
893 break;
894 }
895
896 if (tx_htinfo & BIT(4))
897 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
898
899 if ((priv->tx_rate >> 4) == 1)
900 rate->nss = 2;
901 else
902 rate->nss = 1;
903 }
904 } else {
905 /*
906 * Bit 0 in tx_htinfo indicates that current Tx rate
907 * is 11n rate. Valid MCS index values for us are 0 to 15.
908 */
909 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
910 rate->mcs = priv->tx_rate;
911 rate->flags |= RATE_INFO_FLAGS_MCS;
912 if (tx_htinfo & BIT(1))
913 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
914 if (tx_htinfo & BIT(2))
915 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
916 }
917 }
918 }
919
920 /*
921 * This function dumps the station information on a buffer.
922 *
923 * The following information are shown -
924 * - Total bytes transmitted
925 * - Total bytes received
926 * - Total packets transmitted
927 * - Total packets received
928 * - Signal quality level
929 * - Transmission rate
930 */
931 static int
932 mwifiex_dump_station_info(struct mwifiex_private *priv,
933 struct station_info *sinfo)
934 {
935 u32 rate;
936
937 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
938 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
939 STATION_INFO_TX_BITRATE |
940 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
941
942 /* Get signal information from the firmware */
943 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
944 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
945 dev_err(priv->adapter->dev, "failed to get signal information\n");
946 return -EFAULT;
947 }
948
949 if (mwifiex_drv_get_data_rate(priv, &rate)) {
950 dev_err(priv->adapter->dev, "getting data rate\n");
951 return -EFAULT;
952 }
953
954 /* Get DTIM period information from firmware */
955 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
956 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
957 &priv->dtim_period, true);
958
959 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
960
961 sinfo->signal_avg = priv->bcn_rssi_avg;
962 sinfo->rx_bytes = priv->stats.rx_bytes;
963 sinfo->tx_bytes = priv->stats.tx_bytes;
964 sinfo->rx_packets = priv->stats.rx_packets;
965 sinfo->tx_packets = priv->stats.tx_packets;
966 sinfo->signal = priv->bcn_rssi_avg;
967 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
968 sinfo->txrate.legacy = rate * 5;
969
970 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
971 sinfo->filled |= STATION_INFO_BSS_PARAM;
972 sinfo->bss_param.flags = 0;
973 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
974 WLAN_CAPABILITY_SHORT_PREAMBLE)
975 sinfo->bss_param.flags |=
976 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
977 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
978 WLAN_CAPABILITY_SHORT_SLOT_TIME)
979 sinfo->bss_param.flags |=
980 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
981 sinfo->bss_param.dtim_period = priv->dtim_period;
982 sinfo->bss_param.beacon_interval =
983 priv->curr_bss_params.bss_descriptor.beacon_period;
984 }
985
986 return 0;
987 }
988
989 /*
990 * CFG802.11 operation handler to get station information.
991 *
992 * This function only works in connected mode, and dumps the
993 * requested station information, if available.
994 */
995 static int
996 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
997 const u8 *mac, struct station_info *sinfo)
998 {
999 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1000
1001 if (!priv->media_connected)
1002 return -ENOENT;
1003 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1004 return -ENOENT;
1005
1006 return mwifiex_dump_station_info(priv, sinfo);
1007 }
1008
1009 /*
1010 * CFG802.11 operation handler to dump station information.
1011 */
1012 static int
1013 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1014 int idx, u8 *mac, struct station_info *sinfo)
1015 {
1016 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1017
1018 if (!priv->media_connected || idx)
1019 return -ENOENT;
1020
1021 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
1022
1023 return mwifiex_dump_station_info(priv, sinfo);
1024 }
1025
1026 /* Supported rates to be advertised to the cfg80211 */
1027 static struct ieee80211_rate mwifiex_rates[] = {
1028 {.bitrate = 10, .hw_value = 2, },
1029 {.bitrate = 20, .hw_value = 4, },
1030 {.bitrate = 55, .hw_value = 11, },
1031 {.bitrate = 110, .hw_value = 22, },
1032 {.bitrate = 60, .hw_value = 12, },
1033 {.bitrate = 90, .hw_value = 18, },
1034 {.bitrate = 120, .hw_value = 24, },
1035 {.bitrate = 180, .hw_value = 36, },
1036 {.bitrate = 240, .hw_value = 48, },
1037 {.bitrate = 360, .hw_value = 72, },
1038 {.bitrate = 480, .hw_value = 96, },
1039 {.bitrate = 540, .hw_value = 108, },
1040 };
1041
1042 /* Channel definitions to be advertised to cfg80211 */
1043 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1044 {.center_freq = 2412, .hw_value = 1, },
1045 {.center_freq = 2417, .hw_value = 2, },
1046 {.center_freq = 2422, .hw_value = 3, },
1047 {.center_freq = 2427, .hw_value = 4, },
1048 {.center_freq = 2432, .hw_value = 5, },
1049 {.center_freq = 2437, .hw_value = 6, },
1050 {.center_freq = 2442, .hw_value = 7, },
1051 {.center_freq = 2447, .hw_value = 8, },
1052 {.center_freq = 2452, .hw_value = 9, },
1053 {.center_freq = 2457, .hw_value = 10, },
1054 {.center_freq = 2462, .hw_value = 11, },
1055 {.center_freq = 2467, .hw_value = 12, },
1056 {.center_freq = 2472, .hw_value = 13, },
1057 {.center_freq = 2484, .hw_value = 14, },
1058 };
1059
1060 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1061 .channels = mwifiex_channels_2ghz,
1062 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1063 .bitrates = mwifiex_rates,
1064 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1065 };
1066
1067 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1068 {.center_freq = 5040, .hw_value = 8, },
1069 {.center_freq = 5060, .hw_value = 12, },
1070 {.center_freq = 5080, .hw_value = 16, },
1071 {.center_freq = 5170, .hw_value = 34, },
1072 {.center_freq = 5190, .hw_value = 38, },
1073 {.center_freq = 5210, .hw_value = 42, },
1074 {.center_freq = 5230, .hw_value = 46, },
1075 {.center_freq = 5180, .hw_value = 36, },
1076 {.center_freq = 5200, .hw_value = 40, },
1077 {.center_freq = 5220, .hw_value = 44, },
1078 {.center_freq = 5240, .hw_value = 48, },
1079 {.center_freq = 5260, .hw_value = 52, },
1080 {.center_freq = 5280, .hw_value = 56, },
1081 {.center_freq = 5300, .hw_value = 60, },
1082 {.center_freq = 5320, .hw_value = 64, },
1083 {.center_freq = 5500, .hw_value = 100, },
1084 {.center_freq = 5520, .hw_value = 104, },
1085 {.center_freq = 5540, .hw_value = 108, },
1086 {.center_freq = 5560, .hw_value = 112, },
1087 {.center_freq = 5580, .hw_value = 116, },
1088 {.center_freq = 5600, .hw_value = 120, },
1089 {.center_freq = 5620, .hw_value = 124, },
1090 {.center_freq = 5640, .hw_value = 128, },
1091 {.center_freq = 5660, .hw_value = 132, },
1092 {.center_freq = 5680, .hw_value = 136, },
1093 {.center_freq = 5700, .hw_value = 140, },
1094 {.center_freq = 5745, .hw_value = 149, },
1095 {.center_freq = 5765, .hw_value = 153, },
1096 {.center_freq = 5785, .hw_value = 157, },
1097 {.center_freq = 5805, .hw_value = 161, },
1098 {.center_freq = 5825, .hw_value = 165, },
1099 };
1100
1101 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1102 .channels = mwifiex_channels_5ghz,
1103 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1104 .bitrates = mwifiex_rates + 4,
1105 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1106 };
1107
1108
1109 /* Supported crypto cipher suits to be advertised to cfg80211 */
1110 static const u32 mwifiex_cipher_suites[] = {
1111 WLAN_CIPHER_SUITE_WEP40,
1112 WLAN_CIPHER_SUITE_WEP104,
1113 WLAN_CIPHER_SUITE_TKIP,
1114 WLAN_CIPHER_SUITE_CCMP,
1115 WLAN_CIPHER_SUITE_AES_CMAC,
1116 };
1117
1118 /* Supported mgmt frame types to be advertised to cfg80211 */
1119 static const struct ieee80211_txrx_stypes
1120 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1121 [NL80211_IFTYPE_STATION] = {
1122 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1123 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1124 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1125 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1126 },
1127 [NL80211_IFTYPE_AP] = {
1128 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1129 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1130 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1131 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1132 },
1133 [NL80211_IFTYPE_P2P_CLIENT] = {
1134 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1135 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1136 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1137 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1138 },
1139 [NL80211_IFTYPE_P2P_GO] = {
1140 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1141 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1142 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1143 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1144 },
1145 };
1146
1147 /*
1148 * CFG802.11 operation handler for setting bit rates.
1149 *
1150 * Function configures data rates to firmware using bitrate mask
1151 * provided by cfg80211.
1152 */
1153 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1154 struct net_device *dev,
1155 const u8 *peer,
1156 const struct cfg80211_bitrate_mask *mask)
1157 {
1158 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1159 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1160 enum ieee80211_band band;
1161 struct mwifiex_adapter *adapter = priv->adapter;
1162
1163 if (!priv->media_connected) {
1164 dev_err(adapter->dev,
1165 "Can not set Tx data rate in disconnected state\n");
1166 return -EINVAL;
1167 }
1168
1169 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1170
1171 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1172
1173 /* Fill HR/DSSS rates. */
1174 if (band == IEEE80211_BAND_2GHZ)
1175 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1176
1177 /* Fill OFDM rates */
1178 if (band == IEEE80211_BAND_2GHZ)
1179 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1180 else
1181 bitmap_rates[1] = mask->control[band].legacy;
1182
1183 /* Fill HT MCS rates */
1184 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1185 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1186 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1187
1188 /* Fill VHT MCS rates */
1189 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1190 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1191 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1192 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1193 }
1194
1195 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1196 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1197 }
1198
1199 /*
1200 * CFG802.11 operation handler for connection quality monitoring.
1201 *
1202 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1203 * events to FW.
1204 */
1205 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1206 struct net_device *dev,
1207 s32 rssi_thold, u32 rssi_hyst)
1208 {
1209 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1210 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1211
1212 priv->cqm_rssi_thold = rssi_thold;
1213 priv->cqm_rssi_hyst = rssi_hyst;
1214
1215 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1216 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1217
1218 /* Subscribe/unsubscribe low and high rssi events */
1219 if (rssi_thold && rssi_hyst) {
1220 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1221 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1222 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1223 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1224 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1225 return mwifiex_send_cmd(priv,
1226 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1227 0, 0, &subsc_evt, true);
1228 } else {
1229 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1230 return mwifiex_send_cmd(priv,
1231 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1232 0, 0, &subsc_evt, true);
1233 }
1234
1235 return 0;
1236 }
1237
1238 /* cfg80211 operation handler for change_beacon.
1239 * Function retrieves and sets modified management IEs to FW.
1240 */
1241 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1242 struct net_device *dev,
1243 struct cfg80211_beacon_data *data)
1244 {
1245 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1246
1247 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1248 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
1249 return -EINVAL;
1250 }
1251
1252 if (!priv->bss_started) {
1253 wiphy_err(wiphy, "%s: bss not started\n", __func__);
1254 return -EINVAL;
1255 }
1256
1257 if (mwifiex_set_mgmt_ies(priv, data)) {
1258 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
1259 return -EFAULT;
1260 }
1261
1262 return 0;
1263 }
1264
1265 /* cfg80211 operation handler for del_station.
1266 * Function deauthenticates station which value is provided in mac parameter.
1267 * If mac is NULL/broadcast, all stations in associated station list are
1268 * deauthenticated. If bss is not started or there are no stations in
1269 * associated stations list, no action is taken.
1270 */
1271 static int
1272 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1273 const u8 *mac)
1274 {
1275 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1276 struct mwifiex_sta_node *sta_node;
1277 unsigned long flags;
1278
1279 if (list_empty(&priv->sta_list) || !priv->bss_started)
1280 return 0;
1281
1282 if (!mac || is_broadcast_ether_addr(mac)) {
1283 wiphy_dbg(wiphy, "%s: NULL/broadcast mac address\n", __func__);
1284 list_for_each_entry(sta_node, &priv->sta_list, list) {
1285 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1286 HostCmd_ACT_GEN_SET, 0,
1287 sta_node->mac_addr, true))
1288 return -1;
1289 mwifiex_uap_del_sta_data(priv, sta_node);
1290 }
1291 } else {
1292 wiphy_dbg(wiphy, "%s: mac address %pM\n", __func__, mac);
1293 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1294 sta_node = mwifiex_get_sta_entry(priv, mac);
1295 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1296 if (sta_node) {
1297 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1298 HostCmd_ACT_GEN_SET, 0,
1299 sta_node->mac_addr, true))
1300 return -1;
1301 mwifiex_uap_del_sta_data(priv, sta_node);
1302 }
1303 }
1304
1305 return 0;
1306 }
1307
1308 static int
1309 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1310 {
1311 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1312 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1313 MWIFIEX_BSS_ROLE_ANY);
1314 struct mwifiex_ds_ant_cfg ant_cfg;
1315
1316 if (!tx_ant || !rx_ant)
1317 return -EOPNOTSUPP;
1318
1319 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1320 /* Not a MIMO chip. User should provide specific antenna number
1321 * for Tx/Rx path or enable all antennas for diversity
1322 */
1323 if (tx_ant != rx_ant)
1324 return -EOPNOTSUPP;
1325
1326 if ((tx_ant & (tx_ant - 1)) &&
1327 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1328 return -EOPNOTSUPP;
1329
1330 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1331 (priv->adapter->number_of_antenna > 1)) {
1332 tx_ant = RF_ANTENNA_AUTO;
1333 rx_ant = RF_ANTENNA_AUTO;
1334 }
1335 } else {
1336 struct ieee80211_sta_ht_cap *ht_info;
1337 int rx_mcs_supp;
1338 enum ieee80211_band band;
1339
1340 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1341 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1342 if (adapter->is_hw_11ac_capable)
1343 adapter->usr_dot_11ac_mcs_support =
1344 MWIFIEX_11AC_MCS_MAP_1X1;
1345 } else {
1346 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1347 if (adapter->is_hw_11ac_capable)
1348 adapter->usr_dot_11ac_mcs_support =
1349 MWIFIEX_11AC_MCS_MAP_2X2;
1350 }
1351
1352 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1353 if (!adapter->wiphy->bands[band])
1354 continue;
1355
1356 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1357 rx_mcs_supp =
1358 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1359 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1360 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1361 }
1362 }
1363
1364 ant_cfg.tx_ant = tx_ant;
1365 ant_cfg.rx_ant = rx_ant;
1366
1367 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1368 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1369 }
1370
1371 /* cfg80211 operation handler for stop ap.
1372 * Function stops BSS running at uAP interface.
1373 */
1374 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1375 {
1376 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1377
1378 if (mwifiex_del_mgmt_ies(priv))
1379 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
1380
1381 priv->ap_11n_enabled = 0;
1382
1383 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1384 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1385 wiphy_err(wiphy, "Failed to stop the BSS\n");
1386 return -1;
1387 }
1388
1389 return 0;
1390 }
1391
1392 /* cfg80211 operation handler for start_ap.
1393 * Function sets beacon period, DTIM period, SSID and security into
1394 * AP config structure.
1395 * AP is configured with these settings and BSS is started.
1396 */
1397 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1398 struct net_device *dev,
1399 struct cfg80211_ap_settings *params)
1400 {
1401 struct mwifiex_uap_bss_param *bss_cfg;
1402 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1403 u8 config_bands = 0;
1404
1405 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1406 return -1;
1407 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
1408 return -1;
1409
1410 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1411 if (!bss_cfg)
1412 return -ENOMEM;
1413
1414 mwifiex_set_sys_config_invalid_data(bss_cfg);
1415
1416 if (params->beacon_interval)
1417 bss_cfg->beacon_period = params->beacon_interval;
1418 if (params->dtim_period)
1419 bss_cfg->dtim_period = params->dtim_period;
1420
1421 if (params->ssid && params->ssid_len) {
1422 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1423 bss_cfg->ssid.ssid_len = params->ssid_len;
1424 }
1425
1426 switch (params->hidden_ssid) {
1427 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1428 bss_cfg->bcast_ssid_ctl = 1;
1429 break;
1430 case NL80211_HIDDEN_SSID_ZERO_LEN:
1431 bss_cfg->bcast_ssid_ctl = 0;
1432 break;
1433 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1434 /* firmware doesn't support this type of hidden SSID */
1435 default:
1436 kfree(bss_cfg);
1437 return -EINVAL;
1438 }
1439
1440 bss_cfg->channel = ieee80211_frequency_to_channel(
1441 params->chandef.chan->center_freq);
1442
1443 /* Set appropriate bands */
1444 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1445 bss_cfg->band_cfg = BAND_CONFIG_BG;
1446 config_bands = BAND_B | BAND_G;
1447
1448 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1449 config_bands |= BAND_GN;
1450 } else {
1451 bss_cfg->band_cfg = BAND_CONFIG_A;
1452 config_bands = BAND_A;
1453
1454 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1455 config_bands |= BAND_AN;
1456
1457 if (params->chandef.width > NL80211_CHAN_WIDTH_40)
1458 config_bands |= BAND_AAC;
1459 }
1460
1461 if (!((config_bands | priv->adapter->fw_bands) &
1462 ~priv->adapter->fw_bands))
1463 priv->adapter->config_bands = config_bands;
1464
1465 mwifiex_set_uap_rates(bss_cfg, params);
1466 mwifiex_send_domain_info_cmd_fw(wiphy);
1467
1468 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1469 kfree(bss_cfg);
1470 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1471 return -1;
1472 }
1473
1474 mwifiex_set_ht_params(priv, bss_cfg, params);
1475
1476 if (priv->adapter->is_hw_11ac_capable) {
1477 mwifiex_set_vht_params(priv, bss_cfg, params);
1478 mwifiex_set_vht_width(priv, params->chandef.width,
1479 priv->ap_11ac_enabled);
1480 }
1481
1482 if (priv->ap_11ac_enabled)
1483 mwifiex_set_11ac_ba_params(priv);
1484 else
1485 mwifiex_set_ba_params(priv);
1486
1487 mwifiex_set_wmm_params(priv, bss_cfg, params);
1488
1489 if (params->inactivity_timeout > 0) {
1490 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1491 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1492 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1493 }
1494
1495 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1496 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1497 wiphy_err(wiphy, "Failed to stop the BSS\n");
1498 kfree(bss_cfg);
1499 return -1;
1500 }
1501
1502 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
1503 HostCmd_ACT_GEN_SET,
1504 UAP_BSS_PARAMS_I, bss_cfg, false)) {
1505 wiphy_err(wiphy, "Failed to set the SSID\n");
1506 kfree(bss_cfg);
1507 return -1;
1508 }
1509
1510 kfree(bss_cfg);
1511
1512 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
1513 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
1514 wiphy_err(wiphy, "Failed to start the BSS\n");
1515 return -1;
1516 }
1517
1518 if (priv->sec_info.wep_enabled)
1519 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1520 else
1521 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1522
1523 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
1524 HostCmd_ACT_GEN_SET, 0,
1525 &priv->curr_pkt_filter, true))
1526 return -1;
1527
1528 return 0;
1529 }
1530
1531 /*
1532 * CFG802.11 operation handler for disconnection request.
1533 *
1534 * This function does not work when there is already a disconnection
1535 * procedure going on.
1536 */
1537 static int
1538 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1539 u16 reason_code)
1540 {
1541 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1542
1543 if (mwifiex_deauthenticate(priv, NULL))
1544 return -EFAULT;
1545
1546 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1547 " reason code %d\n", priv->cfg_bssid, reason_code);
1548
1549 memset(priv->cfg_bssid, 0, ETH_ALEN);
1550 priv->hs2_enabled = false;
1551
1552 return 0;
1553 }
1554
1555 /*
1556 * This function informs the CFG802.11 subsystem of a new IBSS.
1557 *
1558 * The following information are sent to the CFG802.11 subsystem
1559 * to register the new IBSS. If we do not register the new IBSS,
1560 * a kernel panic will result.
1561 * - SSID
1562 * - SSID length
1563 * - BSSID
1564 * - Channel
1565 */
1566 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1567 {
1568 struct ieee80211_channel *chan;
1569 struct mwifiex_bss_info bss_info;
1570 struct cfg80211_bss *bss;
1571 int ie_len;
1572 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
1573 enum ieee80211_band band;
1574
1575 if (mwifiex_get_bss_info(priv, &bss_info))
1576 return -1;
1577
1578 ie_buf[0] = WLAN_EID_SSID;
1579 ie_buf[1] = bss_info.ssid.ssid_len;
1580
1581 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
1582 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
1583 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1584
1585 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1586 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1587 ieee80211_channel_to_frequency(bss_info.bss_chan,
1588 band));
1589
1590 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
1591 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1592 0, ie_buf, ie_len, 0, GFP_KERNEL);
1593 cfg80211_put_bss(priv->wdev->wiphy, bss);
1594 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1595
1596 return 0;
1597 }
1598
1599 /*
1600 * This function connects with a BSS.
1601 *
1602 * This function handles both Infra and Ad-Hoc modes. It also performs
1603 * validity checking on the provided parameters, disconnects from the
1604 * current BSS (if any), sets up the association/scan parameters,
1605 * including security settings, and performs specific SSID scan before
1606 * trying to connect.
1607 *
1608 * For Infra mode, the function returns failure if the specified SSID
1609 * is not found in scan table. However, for Ad-Hoc mode, it can create
1610 * the IBSS if it does not exist. On successful completion in either case,
1611 * the function notifies the CFG802.11 subsystem of the new BSS connection.
1612 */
1613 static int
1614 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
1615 const u8 *ssid, const u8 *bssid, int mode,
1616 struct ieee80211_channel *channel,
1617 struct cfg80211_connect_params *sme, bool privacy)
1618 {
1619 struct cfg80211_ssid req_ssid;
1620 int ret, auth_type = 0;
1621 struct cfg80211_bss *bss = NULL;
1622 u8 is_scanning_required = 0;
1623
1624 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
1625
1626 req_ssid.ssid_len = ssid_len;
1627 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1628 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1629 return -EINVAL;
1630 }
1631
1632 memcpy(req_ssid.ssid, ssid, ssid_len);
1633 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1634 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1635 return -EINVAL;
1636 }
1637
1638 /* disconnect before try to associate */
1639 mwifiex_deauthenticate(priv, NULL);
1640
1641 /* As this is new association, clear locally stored
1642 * keys and security related flags */
1643 priv->sec_info.wpa_enabled = false;
1644 priv->sec_info.wpa2_enabled = false;
1645 priv->wep_key_curr_index = 0;
1646 priv->sec_info.encryption_mode = 0;
1647 priv->sec_info.is_authtype_auto = 0;
1648 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
1649
1650 if (mode == NL80211_IFTYPE_ADHOC) {
1651 /* "privacy" is set only for ad-hoc mode */
1652 if (privacy) {
1653 /*
1654 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
1655 * the firmware can find a matching network from the
1656 * scan. The cfg80211 does not give us the encryption
1657 * mode at this stage so just setting it to WEP here.
1658 */
1659 priv->sec_info.encryption_mode =
1660 WLAN_CIPHER_SUITE_WEP104;
1661 priv->sec_info.authentication_mode =
1662 NL80211_AUTHTYPE_OPEN_SYSTEM;
1663 }
1664
1665 goto done;
1666 }
1667
1668 /* Now handle infra mode. "sme" is valid for infra mode only */
1669 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
1670 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
1671 priv->sec_info.is_authtype_auto = 1;
1672 } else {
1673 auth_type = sme->auth_type;
1674 }
1675
1676 if (sme->crypto.n_ciphers_pairwise) {
1677 priv->sec_info.encryption_mode =
1678 sme->crypto.ciphers_pairwise[0];
1679 priv->sec_info.authentication_mode = auth_type;
1680 }
1681
1682 if (sme->crypto.cipher_group) {
1683 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
1684 priv->sec_info.authentication_mode = auth_type;
1685 }
1686 if (sme->ie)
1687 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1688
1689 if (sme->key) {
1690 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
1691 dev_dbg(priv->adapter->dev,
1692 "info: setting wep encryption"
1693 " with key len %d\n", sme->key_len);
1694 priv->wep_key_curr_index = sme->key_idx;
1695 ret = mwifiex_set_encode(priv, NULL, sme->key,
1696 sme->key_len, sme->key_idx,
1697 NULL, 0);
1698 }
1699 }
1700 done:
1701 /*
1702 * Scan entries are valid for some time (15 sec). So we can save one
1703 * active scan time if we just try cfg80211_get_bss first. If it fails
1704 * then request scan and cfg80211_get_bss() again for final output.
1705 */
1706 while (1) {
1707 if (is_scanning_required) {
1708 /* Do specific SSID scanning */
1709 if (mwifiex_request_scan(priv, &req_ssid)) {
1710 dev_err(priv->adapter->dev, "scan error\n");
1711 return -EFAULT;
1712 }
1713 }
1714
1715 /* Find the BSS we want using available scan results */
1716 if (mode == NL80211_IFTYPE_ADHOC)
1717 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1718 bssid, ssid, ssid_len,
1719 WLAN_CAPABILITY_IBSS,
1720 WLAN_CAPABILITY_IBSS);
1721 else
1722 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1723 bssid, ssid, ssid_len,
1724 WLAN_CAPABILITY_ESS,
1725 WLAN_CAPABILITY_ESS);
1726
1727 if (!bss) {
1728 if (is_scanning_required) {
1729 dev_warn(priv->adapter->dev,
1730 "assoc: requested bss not found in scan results\n");
1731 break;
1732 }
1733 is_scanning_required = 1;
1734 } else {
1735 dev_dbg(priv->adapter->dev,
1736 "info: trying to associate to '%s' bssid %pM\n",
1737 (char *) req_ssid.ssid, bss->bssid);
1738 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1739 break;
1740 }
1741 }
1742
1743 ret = mwifiex_bss_start(priv, bss, &req_ssid);
1744 if (ret)
1745 return ret;
1746
1747 if (mode == NL80211_IFTYPE_ADHOC) {
1748 /* Inform the BSS information to kernel, otherwise
1749 * kernel will give a panic after successful assoc */
1750 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1751 return -EFAULT;
1752 }
1753
1754 return ret;
1755 }
1756
1757 /*
1758 * CFG802.11 operation handler for association request.
1759 *
1760 * This function does not work when the current mode is set to Ad-Hoc, or
1761 * when there is already an association procedure going on. The given BSS
1762 * information is used to associate.
1763 */
1764 static int
1765 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1766 struct cfg80211_connect_params *sme)
1767 {
1768 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1769 int ret;
1770
1771 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
1772 wiphy_err(wiphy,
1773 "%s: reject infra assoc request in non-STA role\n",
1774 dev->name);
1775 return -EINVAL;
1776 }
1777
1778 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
1779 (char *) sme->ssid, sme->bssid);
1780
1781 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
1782 priv->bss_mode, sme->channel, sme, 0);
1783 if (!ret) {
1784 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1785 NULL, 0, WLAN_STATUS_SUCCESS,
1786 GFP_KERNEL);
1787 dev_dbg(priv->adapter->dev,
1788 "info: associated to bssid %pM successfully\n",
1789 priv->cfg_bssid);
1790 } else {
1791 dev_dbg(priv->adapter->dev,
1792 "info: association to bssid %pM failed\n",
1793 priv->cfg_bssid);
1794 memset(priv->cfg_bssid, 0, ETH_ALEN);
1795
1796 if (ret > 0)
1797 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1798 NULL, 0, NULL, 0, ret,
1799 GFP_KERNEL);
1800 else
1801 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1802 NULL, 0, NULL, 0,
1803 WLAN_STATUS_UNSPECIFIED_FAILURE,
1804 GFP_KERNEL);
1805 }
1806
1807 return 0;
1808 }
1809
1810 /*
1811 * This function sets following parameters for ibss network.
1812 * - channel
1813 * - start band
1814 * - 11n flag
1815 * - secondary channel offset
1816 */
1817 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
1818 struct cfg80211_ibss_params *params)
1819 {
1820 struct wiphy *wiphy = priv->wdev->wiphy;
1821 struct mwifiex_adapter *adapter = priv->adapter;
1822 int index = 0, i;
1823 u8 config_bands = 0;
1824
1825 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
1826 if (!params->basic_rates) {
1827 config_bands = BAND_B | BAND_G;
1828 } else {
1829 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
1830 /*
1831 * Rates below 6 Mbps in the table are CCK
1832 * rates; 802.11b and from 6 they are OFDM;
1833 * 802.11G
1834 */
1835 if (mwifiex_rates[i].bitrate == 60) {
1836 index = 1 << i;
1837 break;
1838 }
1839 }
1840
1841 if (params->basic_rates < index) {
1842 config_bands = BAND_B;
1843 } else {
1844 config_bands = BAND_G;
1845 if (params->basic_rates % index)
1846 config_bands |= BAND_B;
1847 }
1848 }
1849
1850 if (cfg80211_get_chandef_type(&params->chandef) !=
1851 NL80211_CHAN_NO_HT)
1852 config_bands |= BAND_G | BAND_GN;
1853 } else {
1854 if (cfg80211_get_chandef_type(&params->chandef) ==
1855 NL80211_CHAN_NO_HT)
1856 config_bands = BAND_A;
1857 else
1858 config_bands = BAND_AN | BAND_A;
1859 }
1860
1861 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
1862 adapter->config_bands = config_bands;
1863 adapter->adhoc_start_band = config_bands;
1864
1865 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
1866 adapter->adhoc_11n_enabled = true;
1867 else
1868 adapter->adhoc_11n_enabled = false;
1869 }
1870
1871 adapter->sec_chan_offset =
1872 mwifiex_chan_type_to_sec_chan_offset(
1873 cfg80211_get_chandef_type(&params->chandef));
1874 priv->adhoc_channel = ieee80211_frequency_to_channel(
1875 params->chandef.chan->center_freq);
1876
1877 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
1878 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
1879
1880 return 0;
1881 }
1882
1883 /*
1884 * CFG802.11 operation handler to join an IBSS.
1885 *
1886 * This function does not work in any mode other than Ad-Hoc, or if
1887 * a join operation is already in progress.
1888 */
1889 static int
1890 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1891 struct cfg80211_ibss_params *params)
1892 {
1893 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1894 int ret = 0;
1895
1896 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
1897 wiphy_err(wiphy, "request to join ibss received "
1898 "when station is not in ibss mode\n");
1899 goto done;
1900 }
1901
1902 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
1903 (char *) params->ssid, params->bssid);
1904
1905 mwifiex_set_ibss_params(priv, params);
1906
1907 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
1908 params->bssid, priv->bss_mode,
1909 params->chandef.chan, NULL,
1910 params->privacy);
1911 done:
1912 if (!ret) {
1913 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
1914 params->chandef.chan, GFP_KERNEL);
1915 dev_dbg(priv->adapter->dev,
1916 "info: joined/created adhoc network with bssid"
1917 " %pM successfully\n", priv->cfg_bssid);
1918 } else {
1919 dev_dbg(priv->adapter->dev,
1920 "info: failed creating/joining adhoc network\n");
1921 }
1922
1923 return ret;
1924 }
1925
1926 /*
1927 * CFG802.11 operation handler to leave an IBSS.
1928 *
1929 * This function does not work if a leave operation is
1930 * already in progress.
1931 */
1932 static int
1933 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1934 {
1935 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1936
1937 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
1938 priv->cfg_bssid);
1939 if (mwifiex_deauthenticate(priv, NULL))
1940 return -EFAULT;
1941
1942 memset(priv->cfg_bssid, 0, ETH_ALEN);
1943
1944 return 0;
1945 }
1946
1947 /*
1948 * CFG802.11 operation handler for scan request.
1949 *
1950 * This function issues a scan request to the firmware based upon
1951 * the user specified scan configuration. On successfull completion,
1952 * it also informs the results.
1953 */
1954 static int
1955 mwifiex_cfg80211_scan(struct wiphy *wiphy,
1956 struct cfg80211_scan_request *request)
1957 {
1958 struct net_device *dev = request->wdev->netdev;
1959 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1960 int i, offset, ret;
1961 struct ieee80211_channel *chan;
1962 struct ieee_types_header *ie;
1963 struct mwifiex_user_scan_cfg *user_scan_cfg;
1964
1965 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1966
1967 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
1968 atomic_read(&priv->wmm.tx_pkts_queued) >=
1969 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) {
1970 dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n");
1971 return -EBUSY;
1972 }
1973
1974 /* Block scan request if scan operation or scan cleanup when interface
1975 * is disabled is in process
1976 */
1977 if (priv->scan_request || priv->scan_aborting) {
1978 dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
1979 return -EBUSY;
1980 }
1981
1982 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
1983 if (!user_scan_cfg)
1984 return -ENOMEM;
1985
1986 priv->scan_request = request;
1987
1988 user_scan_cfg->num_ssids = request->n_ssids;
1989 user_scan_cfg->ssid_list = request->ssids;
1990
1991 if (request->ie && request->ie_len) {
1992 offset = 0;
1993 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1994 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1995 continue;
1996 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
1997 ie = (struct ieee_types_header *)(request->ie + offset);
1998 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
1999 offset += sizeof(*ie) + ie->len;
2000
2001 if (offset >= request->ie_len)
2002 break;
2003 }
2004 }
2005
2006 for (i = 0; i < min_t(u32, request->n_channels,
2007 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2008 chan = request->channels[i];
2009 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2010 user_scan_cfg->chan_list[i].radio_type = chan->band;
2011
2012 if (chan->flags & IEEE80211_CHAN_NO_IR)
2013 user_scan_cfg->chan_list[i].scan_type =
2014 MWIFIEX_SCAN_TYPE_PASSIVE;
2015 else
2016 user_scan_cfg->chan_list[i].scan_type =
2017 MWIFIEX_SCAN_TYPE_ACTIVE;
2018
2019 user_scan_cfg->chan_list[i].scan_time = 0;
2020 }
2021
2022 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2023 kfree(user_scan_cfg);
2024 if (ret) {
2025 dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
2026 priv->scan_aborting = false;
2027 priv->scan_request = NULL;
2028 return ret;
2029 }
2030
2031 if (request->ie && request->ie_len) {
2032 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2033 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2034 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2035 memset(&priv->vs_ie[i].ie, 0,
2036 MWIFIEX_MAX_VSIE_LEN);
2037 }
2038 }
2039 }
2040 return 0;
2041 }
2042
2043 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2044 struct mwifiex_private *priv)
2045 {
2046 struct mwifiex_adapter *adapter = priv->adapter;
2047
2048 vht_info->vht_supported = true;
2049
2050 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2051 /* Update MCS support for VHT */
2052 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2053 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2054 vht_info->vht_mcs.rx_highest = 0;
2055 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2056 adapter->hw_dot_11ac_mcs_support >> 16);
2057 vht_info->vht_mcs.tx_highest = 0;
2058 }
2059
2060 /*
2061 * This function sets up the CFG802.11 specific HT capability fields
2062 * with default values.
2063 *
2064 * The following default values are set -
2065 * - HT Supported = True
2066 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2067 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2068 * - HT Capabilities supported by firmware
2069 * - MCS information, Rx mask = 0xff
2070 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2071 */
2072 static void
2073 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2074 struct mwifiex_private *priv)
2075 {
2076 int rx_mcs_supp;
2077 struct ieee80211_mcs_info mcs_set;
2078 u8 *mcs = (u8 *)&mcs_set;
2079 struct mwifiex_adapter *adapter = priv->adapter;
2080
2081 ht_info->ht_supported = true;
2082 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2083 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2084
2085 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2086
2087 /* Fill HT capability information */
2088 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2089 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2090 else
2091 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2092
2093 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2094 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2095 else
2096 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2097
2098 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2099 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2100 else
2101 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2102
2103 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2104 ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2105 else
2106 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2107
2108 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2109 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2110 else
2111 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2112
2113 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2114 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2115 else
2116 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2117
2118 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2119 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2120 else
2121 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2122
2123 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2124 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2125 else
2126 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2127
2128 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2129 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2130
2131 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2132 /* Set MCS for 1x1/2x2 */
2133 memset(mcs, 0xff, rx_mcs_supp);
2134 /* Clear all the other values */
2135 memset(&mcs[rx_mcs_supp], 0,
2136 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2137 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2138 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2139 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2140 SETHT_MCS32(mcs_set.rx_mask);
2141
2142 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2143
2144 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2145 }
2146
2147 /*
2148 * create a new virtual interface with the given name
2149 */
2150 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2151 const char *name,
2152 enum nl80211_iftype type,
2153 u32 *flags,
2154 struct vif_params *params)
2155 {
2156 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2157 struct mwifiex_private *priv;
2158 struct net_device *dev;
2159 void *mdev_priv;
2160 struct wireless_dev *wdev;
2161
2162 if (!adapter)
2163 return ERR_PTR(-EFAULT);
2164
2165 switch (type) {
2166 case NL80211_IFTYPE_UNSPECIFIED:
2167 case NL80211_IFTYPE_STATION:
2168 case NL80211_IFTYPE_ADHOC:
2169 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2170 if (priv->bss_mode) {
2171 wiphy_err(wiphy,
2172 "cannot create multiple sta/adhoc ifaces\n");
2173 return ERR_PTR(-EINVAL);
2174 }
2175
2176 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2177 if (!wdev)
2178 return ERR_PTR(-ENOMEM);
2179
2180 wdev->wiphy = wiphy;
2181 priv->wdev = wdev;
2182 wdev->iftype = NL80211_IFTYPE_STATION;
2183
2184 if (type == NL80211_IFTYPE_UNSPECIFIED)
2185 priv->bss_mode = NL80211_IFTYPE_STATION;
2186 else
2187 priv->bss_mode = type;
2188
2189 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2190 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2191 priv->bss_priority = 0;
2192 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2193 priv->bss_num = 0;
2194
2195 break;
2196 case NL80211_IFTYPE_AP:
2197 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
2198
2199 if (priv->bss_mode) {
2200 wiphy_err(wiphy, "Can't create multiple AP interfaces");
2201 return ERR_PTR(-EINVAL);
2202 }
2203
2204 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2205 if (!wdev)
2206 return ERR_PTR(-ENOMEM);
2207
2208 priv->wdev = wdev;
2209 wdev->wiphy = wiphy;
2210 wdev->iftype = NL80211_IFTYPE_AP;
2211
2212 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2213 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2214 priv->bss_priority = 0;
2215 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2216 priv->bss_started = 0;
2217 priv->bss_num = 0;
2218 priv->bss_mode = type;
2219
2220 break;
2221 case NL80211_IFTYPE_P2P_CLIENT:
2222 priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
2223
2224 if (priv->bss_mode) {
2225 wiphy_err(wiphy, "Can't create multiple P2P ifaces");
2226 return ERR_PTR(-EINVAL);
2227 }
2228
2229 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2230 if (!wdev)
2231 return ERR_PTR(-ENOMEM);
2232
2233 priv->wdev = wdev;
2234 wdev->wiphy = wiphy;
2235
2236 /* At start-up, wpa_supplicant tries to change the interface
2237 * to NL80211_IFTYPE_STATION if it is not managed mode.
2238 */
2239 wdev->iftype = NL80211_IFTYPE_P2P_CLIENT;
2240 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2241
2242 /* Setting bss_type to P2P tells firmware that this interface
2243 * is receiving P2P peers found during find phase and doing
2244 * action frame handshake.
2245 */
2246 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2247
2248 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2249 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2250 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2251 priv->bss_started = 0;
2252 priv->bss_num = 0;
2253
2254 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2255 wdev = ERR_PTR(-EFAULT);
2256 goto done;
2257 }
2258
2259 break;
2260 default:
2261 wiphy_err(wiphy, "type not supported\n");
2262 return ERR_PTR(-EINVAL);
2263 }
2264
2265 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2266 ether_setup, IEEE80211_NUM_ACS, 1);
2267 if (!dev) {
2268 wiphy_err(wiphy, "no memory available for netdevice\n");
2269 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2270 wdev = ERR_PTR(-ENOMEM);
2271 goto done;
2272 }
2273
2274 mwifiex_init_priv_params(priv, dev);
2275 priv->netdev = dev;
2276
2277 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
2278 if (adapter->is_hw_11ac_capable)
2279 mwifiex_setup_vht_caps(
2280 &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
2281
2282 if (adapter->config_bands & BAND_A)
2283 mwifiex_setup_ht_caps(
2284 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2285
2286 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2287 mwifiex_setup_vht_caps(
2288 &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);
2289
2290 dev_net_set(dev, wiphy_net(wiphy));
2291 dev->ieee80211_ptr = priv->wdev;
2292 dev->ieee80211_ptr->iftype = priv->bss_mode;
2293 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
2294 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2295
2296 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2297 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2298 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2299 dev->ethtool_ops = &mwifiex_ethtool_ops;
2300
2301 mdev_priv = netdev_priv(dev);
2302 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2303
2304 SET_NETDEV_DEV(dev, adapter->dev);
2305
2306 /* Register network device */
2307 if (register_netdevice(dev)) {
2308 wiphy_err(wiphy, "cannot register virtual network device\n");
2309 free_netdev(dev);
2310 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2311 priv->netdev = NULL;
2312 wdev = ERR_PTR(-EFAULT);
2313 goto done;
2314 }
2315
2316 sema_init(&priv->async_sem, 1);
2317
2318 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
2319
2320 #ifdef CONFIG_DEBUG_FS
2321 mwifiex_dev_debugfs_init(priv);
2322 #endif
2323
2324 done:
2325 if (IS_ERR(wdev)) {
2326 kfree(priv->wdev);
2327 priv->wdev = NULL;
2328 }
2329
2330 return wdev;
2331 }
2332 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2333
2334 /*
2335 * del_virtual_intf: remove the virtual interface determined by dev
2336 */
2337 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
2338 {
2339 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
2340
2341 #ifdef CONFIG_DEBUG_FS
2342 mwifiex_dev_debugfs_remove(priv);
2343 #endif
2344
2345 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
2346
2347 if (netif_carrier_ok(priv->netdev))
2348 netif_carrier_off(priv->netdev);
2349
2350 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2351 unregister_netdevice(wdev->netdev);
2352
2353 /* Clear the priv in adapter */
2354 priv->netdev->ieee80211_ptr = NULL;
2355 priv->netdev = NULL;
2356 kfree(wdev);
2357 priv->wdev = NULL;
2358
2359 priv->media_connected = false;
2360
2361 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2362
2363 return 0;
2364 }
2365 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2366
2367 static bool
2368 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
2369 u8 max_byte_seq)
2370 {
2371 int j, k, valid_byte_cnt = 0;
2372 bool dont_care_byte = false;
2373
2374 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
2375 for (k = 0; k < 8; k++) {
2376 if (pat->mask[j] & 1 << k) {
2377 memcpy(byte_seq + valid_byte_cnt,
2378 &pat->pattern[j * 8 + k], 1);
2379 valid_byte_cnt++;
2380 if (dont_care_byte)
2381 return false;
2382 } else {
2383 if (valid_byte_cnt)
2384 dont_care_byte = true;
2385 }
2386
2387 if (valid_byte_cnt > max_byte_seq)
2388 return false;
2389 }
2390 }
2391
2392 byte_seq[max_byte_seq] = valid_byte_cnt;
2393
2394 return true;
2395 }
2396
2397 #ifdef CONFIG_PM
2398 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
2399 struct cfg80211_wowlan *wowlan)
2400 {
2401 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2402 struct mwifiex_ds_mef_cfg mef_cfg;
2403 struct mwifiex_mef_entry *mef_entry;
2404 int i, filt_num = 0, ret;
2405 bool first_pat = true;
2406 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
2407 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2408 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2409 struct mwifiex_private *priv =
2410 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2411
2412 if (!wowlan) {
2413 dev_warn(adapter->dev, "None of the WOWLAN triggers enabled\n");
2414 return 0;
2415 }
2416
2417 if (!priv->media_connected) {
2418 dev_warn(adapter->dev,
2419 "Can not configure WOWLAN in disconnected state\n");
2420 return 0;
2421 }
2422
2423 mef_entry = kzalloc(sizeof(*mef_entry), GFP_KERNEL);
2424 if (!mef_entry)
2425 return -ENOMEM;
2426
2427 memset(&mef_cfg, 0, sizeof(mef_cfg));
2428 mef_cfg.num_entries = 1;
2429 mef_cfg.mef_entry = mef_entry;
2430 mef_entry->mode = MEF_MODE_HOST_SLEEP;
2431 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
2432
2433 for (i = 0; i < wowlan->n_patterns; i++) {
2434 memset(byte_seq, 0, sizeof(byte_seq));
2435 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
2436 byte_seq,
2437 MWIFIEX_MEF_MAX_BYTESEQ)) {
2438 wiphy_err(wiphy, "Pattern not supported\n");
2439 kfree(mef_entry);
2440 return -EOPNOTSUPP;
2441 }
2442
2443 if (!wowlan->patterns[i].pkt_offset) {
2444 if (!(byte_seq[0] & 0x01) &&
2445 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
2446 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2447 continue;
2448 } else if (is_broadcast_ether_addr(byte_seq)) {
2449 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST;
2450 continue;
2451 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
2452 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
2453 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
2454 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
2455 mef_cfg.criteria |= MWIFIEX_CRITERIA_MULTICAST;
2456 continue;
2457 }
2458 }
2459
2460 mef_entry->filter[filt_num].repeat = 1;
2461 mef_entry->filter[filt_num].offset =
2462 wowlan->patterns[i].pkt_offset;
2463 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
2464 sizeof(byte_seq));
2465 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2466
2467 if (first_pat)
2468 first_pat = false;
2469 else
2470 mef_entry->filter[filt_num].filt_action = TYPE_AND;
2471
2472 filt_num++;
2473 }
2474
2475 if (wowlan->magic_pkt) {
2476 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2477 mef_entry->filter[filt_num].repeat = 16;
2478 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
2479 ETH_ALEN);
2480 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
2481 ETH_ALEN;
2482 mef_entry->filter[filt_num].offset = 28;
2483 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2484 if (filt_num)
2485 mef_entry->filter[filt_num].filt_action = TYPE_OR;
2486 }
2487
2488 if (!mef_cfg.criteria)
2489 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
2490 MWIFIEX_CRITERIA_UNICAST |
2491 MWIFIEX_CRITERIA_MULTICAST;
2492
2493 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
2494 HostCmd_ACT_GEN_SET, 0, &mef_cfg, true);
2495
2496 kfree(mef_entry);
2497 return ret;
2498 }
2499
2500 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
2501 {
2502 return 0;
2503 }
2504
2505 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
2506 bool enabled)
2507 {
2508 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2509
2510 device_set_wakeup_enable(adapter->dev, enabled);
2511 }
2512 #endif
2513
2514 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
2515 {
2516 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2517 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2518 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
2519
2520 if ((byte_seq[0] & 0x01) &&
2521 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
2522 return PACKET_TYPE_UNICAST;
2523 else if (!memcmp(byte_seq, bc_mac, 4))
2524 return PACKET_TYPE_BROADCAST;
2525 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
2526 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
2527 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
2528 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
2529 return PACKET_TYPE_MULTICAST;
2530
2531 return 0;
2532 }
2533
2534 static int
2535 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
2536 struct cfg80211_coalesce_rules *crule,
2537 struct mwifiex_coalesce_rule *mrule)
2538 {
2539 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
2540 struct filt_field_param *param;
2541 int i;
2542
2543 mrule->max_coalescing_delay = crule->delay;
2544
2545 param = mrule->params;
2546
2547 for (i = 0; i < crule->n_patterns; i++) {
2548 memset(byte_seq, 0, sizeof(byte_seq));
2549 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
2550 byte_seq,
2551 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
2552 dev_err(priv->adapter->dev, "Pattern not supported\n");
2553 return -EOPNOTSUPP;
2554 }
2555
2556 if (!crule->patterns[i].pkt_offset) {
2557 u8 pkt_type;
2558
2559 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
2560 if (pkt_type && mrule->pkt_type) {
2561 dev_err(priv->adapter->dev,
2562 "Multiple packet types not allowed\n");
2563 return -EOPNOTSUPP;
2564 } else if (pkt_type) {
2565 mrule->pkt_type = pkt_type;
2566 continue;
2567 }
2568 }
2569
2570 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
2571 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
2572 else
2573 param->operation = RECV_FILTER_MATCH_TYPE_NE;
2574
2575 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
2576 memcpy(param->operand_byte_stream, byte_seq,
2577 param->operand_len);
2578 param->offset = crule->patterns[i].pkt_offset;
2579 param++;
2580
2581 mrule->num_of_fields++;
2582 }
2583
2584 if (!mrule->pkt_type) {
2585 dev_err(priv->adapter->dev,
2586 "Packet type can not be determined\n");
2587 return -EOPNOTSUPP;
2588 }
2589
2590 return 0;
2591 }
2592
2593 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
2594 struct cfg80211_coalesce *coalesce)
2595 {
2596 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2597 int i, ret;
2598 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
2599 struct mwifiex_private *priv =
2600 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2601
2602 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
2603 if (!coalesce) {
2604 dev_dbg(adapter->dev,
2605 "Disable coalesce and reset all previous rules\n");
2606 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
2607 HostCmd_ACT_GEN_SET, 0,
2608 &coalesce_cfg, true);
2609 }
2610
2611 coalesce_cfg.num_of_rules = coalesce->n_rules;
2612 for (i = 0; i < coalesce->n_rules; i++) {
2613 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
2614 &coalesce_cfg.rule[i]);
2615 if (ret) {
2616 dev_err(priv->adapter->dev,
2617 "Recheck the patterns provided for rule %d\n",
2618 i + 1);
2619 return ret;
2620 }
2621 }
2622
2623 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
2624 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
2625 }
2626
2627 /* cfg80211 ops handler for tdls_mgmt.
2628 * Function prepares TDLS action frame packets and forwards them to FW
2629 */
2630 static int
2631 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
2632 const u8 *peer, u8 action_code, u8 dialog_token,
2633 u16 status_code, u32 peer_capability,
2634 const u8 *extra_ies, size_t extra_ies_len)
2635 {
2636 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2637 int ret;
2638
2639 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2640 return -ENOTSUPP;
2641
2642 /* make sure we are in station mode and connected */
2643 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
2644 return -ENOTSUPP;
2645
2646 switch (action_code) {
2647 case WLAN_TDLS_SETUP_REQUEST:
2648 dev_dbg(priv->adapter->dev,
2649 "Send TDLS Setup Request to %pM status_code=%d\n", peer,
2650 status_code);
2651 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2652 dialog_token, status_code,
2653 extra_ies, extra_ies_len);
2654 break;
2655 case WLAN_TDLS_SETUP_RESPONSE:
2656 dev_dbg(priv->adapter->dev,
2657 "Send TDLS Setup Response to %pM status_code=%d\n",
2658 peer, status_code);
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_TDLS_SETUP_CONFIRM:
2664 dev_dbg(priv->adapter->dev,
2665 "Send TDLS Confirm to %pM status_code=%d\n", peer,
2666 status_code);
2667 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2668 dialog_token, status_code,
2669 extra_ies, extra_ies_len);
2670 break;
2671 case WLAN_TDLS_TEARDOWN:
2672 dev_dbg(priv->adapter->dev, "Send TDLS Tear down to %pM\n",
2673 peer);
2674 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2675 dialog_token, status_code,
2676 extra_ies, extra_ies_len);
2677 break;
2678 case WLAN_TDLS_DISCOVERY_REQUEST:
2679 dev_dbg(priv->adapter->dev,
2680 "Send TDLS Discovery Request to %pM\n", peer);
2681 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2682 dialog_token, status_code,
2683 extra_ies, extra_ies_len);
2684 break;
2685 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2686 dev_dbg(priv->adapter->dev,
2687 "Send TDLS Discovery Response to %pM\n", peer);
2688 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
2689 dialog_token, status_code,
2690 extra_ies, extra_ies_len);
2691 break;
2692 default:
2693 dev_warn(priv->adapter->dev,
2694 "Unknown TDLS mgmt/action frame %pM\n", peer);
2695 ret = -EINVAL;
2696 break;
2697 }
2698
2699 return ret;
2700 }
2701
2702 static int
2703 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
2704 const u8 *peer, enum nl80211_tdls_operation action)
2705 {
2706 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2707
2708 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
2709 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
2710 return -ENOTSUPP;
2711
2712 /* make sure we are in station mode and connected */
2713 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
2714 return -ENOTSUPP;
2715
2716 dev_dbg(priv->adapter->dev,
2717 "TDLS peer=%pM, oper=%d\n", peer, action);
2718
2719 switch (action) {
2720 case NL80211_TDLS_ENABLE_LINK:
2721 action = MWIFIEX_TDLS_ENABLE_LINK;
2722 break;
2723 case NL80211_TDLS_DISABLE_LINK:
2724 action = MWIFIEX_TDLS_DISABLE_LINK;
2725 break;
2726 case NL80211_TDLS_TEARDOWN:
2727 /* shouldn't happen!*/
2728 dev_warn(priv->adapter->dev,
2729 "tdls_oper: teardown from driver not supported\n");
2730 return -EINVAL;
2731 case NL80211_TDLS_SETUP:
2732 /* shouldn't happen!*/
2733 dev_warn(priv->adapter->dev,
2734 "tdls_oper: setup from driver not supported\n");
2735 return -EINVAL;
2736 case NL80211_TDLS_DISCOVERY_REQ:
2737 /* shouldn't happen!*/
2738 dev_warn(priv->adapter->dev,
2739 "tdls_oper: discovery from driver not supported\n");
2740 return -EINVAL;
2741 default:
2742 dev_err(priv->adapter->dev,
2743 "tdls_oper: operation not supported\n");
2744 return -ENOTSUPP;
2745 }
2746
2747 return mwifiex_tdls_oper(priv, peer, action);
2748 }
2749
2750 static int
2751 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
2752 const u8 *mac, struct station_parameters *params)
2753 {
2754 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2755
2756 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2757 return -ENOTSUPP;
2758
2759 /* make sure we are in station mode and connected */
2760 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
2761 return -ENOTSUPP;
2762
2763 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
2764 }
2765
2766 static int
2767 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
2768 const u8 *mac,
2769 struct station_parameters *params)
2770 {
2771 int ret;
2772 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2773
2774 /* we support change_station handler only for TDLS peers*/
2775 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2776 return -ENOTSUPP;
2777
2778 /* make sure we are in station mode and connected */
2779 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
2780 return -ENOTSUPP;
2781
2782 priv->sta_params = params;
2783
2784 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
2785 priv->sta_params = NULL;
2786
2787 return ret;
2788 }
2789
2790 /* station cfg80211 operations */
2791 static struct cfg80211_ops mwifiex_cfg80211_ops = {
2792 .add_virtual_intf = mwifiex_add_virtual_intf,
2793 .del_virtual_intf = mwifiex_del_virtual_intf,
2794 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
2795 .scan = mwifiex_cfg80211_scan,
2796 .connect = mwifiex_cfg80211_connect,
2797 .disconnect = mwifiex_cfg80211_disconnect,
2798 .get_station = mwifiex_cfg80211_get_station,
2799 .dump_station = mwifiex_cfg80211_dump_station,
2800 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
2801 .join_ibss = mwifiex_cfg80211_join_ibss,
2802 .leave_ibss = mwifiex_cfg80211_leave_ibss,
2803 .add_key = mwifiex_cfg80211_add_key,
2804 .del_key = mwifiex_cfg80211_del_key,
2805 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
2806 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
2807 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
2808 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
2809 .set_default_key = mwifiex_cfg80211_set_default_key,
2810 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
2811 .set_tx_power = mwifiex_cfg80211_set_tx_power,
2812 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
2813 .start_ap = mwifiex_cfg80211_start_ap,
2814 .stop_ap = mwifiex_cfg80211_stop_ap,
2815 .change_beacon = mwifiex_cfg80211_change_beacon,
2816 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
2817 .set_antenna = mwifiex_cfg80211_set_antenna,
2818 .del_station = mwifiex_cfg80211_del_station,
2819 #ifdef CONFIG_PM
2820 .suspend = mwifiex_cfg80211_suspend,
2821 .resume = mwifiex_cfg80211_resume,
2822 .set_wakeup = mwifiex_cfg80211_set_wakeup,
2823 #endif
2824 .set_coalesce = mwifiex_cfg80211_set_coalesce,
2825 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
2826 .tdls_oper = mwifiex_cfg80211_tdls_oper,
2827 .add_station = mwifiex_cfg80211_add_station,
2828 .change_station = mwifiex_cfg80211_change_station,
2829 };
2830
2831 #ifdef CONFIG_PM
2832 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
2833 .flags = WIPHY_WOWLAN_MAGIC_PKT,
2834 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
2835 .pattern_min_len = 1,
2836 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
2837 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
2838 };
2839 #endif
2840
2841 static bool mwifiex_is_valid_alpha2(const char *alpha2)
2842 {
2843 if (!alpha2 || strlen(alpha2) != 2)
2844 return false;
2845
2846 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
2847 return true;
2848
2849 return false;
2850 }
2851
2852 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
2853 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
2854 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
2855 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
2856 .pattern_min_len = 1,
2857 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
2858 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
2859 };
2860
2861 /*
2862 * This function registers the device with CFG802.11 subsystem.
2863 *
2864 * The function creates the wireless device/wiphy, populates it with
2865 * default parameters and handler function pointers, and finally
2866 * registers the device.
2867 */
2868
2869 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
2870 {
2871 int ret;
2872 void *wdev_priv;
2873 struct wiphy *wiphy;
2874 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
2875 u8 *country_code;
2876 u32 thr, retry;
2877
2878 /* create a new wiphy for use with cfg80211 */
2879 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
2880 sizeof(struct mwifiex_adapter *));
2881 if (!wiphy) {
2882 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
2883 return -ENOMEM;
2884 }
2885 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
2886 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
2887 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
2888 wiphy->max_remain_on_channel_duration = 5000;
2889 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2890 BIT(NL80211_IFTYPE_ADHOC) |
2891 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2892 BIT(NL80211_IFTYPE_P2P_GO) |
2893 BIT(NL80211_IFTYPE_AP);
2894
2895 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
2896 if (adapter->config_bands & BAND_A)
2897 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
2898 else
2899 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
2900
2901 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
2902 wiphy->n_iface_combinations = 1;
2903
2904 /* Initialize cipher suits */
2905 wiphy->cipher_suites = mwifiex_cipher_suites;
2906 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
2907
2908 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
2909 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2910 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
2911 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
2912 WIPHY_FLAG_AP_UAPSD |
2913 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
2914
2915 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
2916 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
2917 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
2918
2919 wiphy->regulatory_flags |=
2920 REGULATORY_CUSTOM_REG |
2921 REGULATORY_STRICT_REG;
2922
2923 wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
2924
2925 #ifdef CONFIG_PM
2926 wiphy->wowlan = &mwifiex_wowlan_support;
2927 #endif
2928
2929 wiphy->coalesce = &mwifiex_coalesce_support;
2930
2931 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
2932 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2933 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
2934
2935 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
2936 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
2937
2938 wiphy->features |= NL80211_FEATURE_HT_IBSS |
2939 NL80211_FEATURE_INACTIVITY_TIMER |
2940 NL80211_FEATURE_LOW_PRIORITY_SCAN |
2941 NL80211_FEATURE_NEED_OBSS_SCAN;
2942
2943 /* Reserve space for mwifiex specific private data for BSS */
2944 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
2945
2946 wiphy->reg_notifier = mwifiex_reg_notifier;
2947
2948 /* Set struct mwifiex_adapter pointer in wiphy_priv */
2949 wdev_priv = wiphy_priv(wiphy);
2950 *(unsigned long *)wdev_priv = (unsigned long)adapter;
2951
2952 set_wiphy_dev(wiphy, priv->adapter->dev);
2953
2954 ret = wiphy_register(wiphy);
2955 if (ret < 0) {
2956 dev_err(adapter->dev,
2957 "%s: wiphy_register failed: %d\n", __func__, ret);
2958 wiphy_free(wiphy);
2959 return ret;
2960 }
2961
2962 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
2963 wiphy_info(wiphy, "driver hint alpha2: %2.2s\n", reg_alpha2);
2964 regulatory_hint(wiphy, reg_alpha2);
2965 } else {
2966 country_code = mwifiex_11d_code_2_region(adapter->region_code);
2967 if (country_code)
2968 wiphy_info(wiphy, "ignoring F/W country code %2.2s\n",
2969 country_code);
2970 }
2971
2972 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2973 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
2974 wiphy->frag_threshold = thr;
2975 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2976 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
2977 wiphy->rts_threshold = thr;
2978 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2979 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
2980 wiphy->retry_short = (u8) retry;
2981 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2982 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
2983 wiphy->retry_long = (u8) retry;
2984
2985 adapter->wiphy = wiphy;
2986 return ret;
2987 }
Linux kernel - Deliverables
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