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i2c: gpio: fault-injector: refactor incomplete transfer
[linux/fpc-iii.git] / drivers / net / wireless / marvell / mwifiex / cfg80211.c
blob4b5ae9098504bd6b28e83625aa40bda5a02d6c61
1 /*
2 * Marvell Wireless LAN device driver: CFG80211
3 *
4 * Copyright (C) 2011-2014, Marvell International Ltd.
5 *
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20 #include "cfg80211.h"
21 #include "main.h"
22 #include "11n.h"
23 #include "wmm.h"
24
25 static char *reg_alpha2;
26 module_param(reg_alpha2, charp, 0);
27
28 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
29 {
30 .max = 3, .types = BIT(NL80211_IFTYPE_STATION) |
31 BIT(NL80211_IFTYPE_P2P_GO) |
32 BIT(NL80211_IFTYPE_P2P_CLIENT) |
33 BIT(NL80211_IFTYPE_AP),
34 },
35 };
36
37 static const struct ieee80211_iface_combination
38 mwifiex_iface_comb_ap_sta = {
39 .limits = mwifiex_ap_sta_limits,
40 .num_different_channels = 1,
41 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
42 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
43 .beacon_int_infra_match = true,
44 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
45 BIT(NL80211_CHAN_WIDTH_20) |
46 BIT(NL80211_CHAN_WIDTH_40),
47 };
48
49 static const struct ieee80211_iface_combination
50 mwifiex_iface_comb_ap_sta_vht = {
51 .limits = mwifiex_ap_sta_limits,
52 .num_different_channels = 1,
53 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
54 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
55 .beacon_int_infra_match = true,
56 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
57 BIT(NL80211_CHAN_WIDTH_20) |
58 BIT(NL80211_CHAN_WIDTH_40) |
59 BIT(NL80211_CHAN_WIDTH_80),
60 };
61
62 static const struct
63 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
64 .limits = mwifiex_ap_sta_limits,
65 .num_different_channels = 2,
66 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
67 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
68 .beacon_int_infra_match = true,
69 };
70
71 /*
72 * This function maps the nl802.11 channel type into driver channel type.
73 *
74 * The mapping is as follows -
75 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
76 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
77 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
78 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
79 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
80 */
81 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
82 {
83 switch (chan_type) {
84 case NL80211_CHAN_NO_HT:
85 case NL80211_CHAN_HT20:
86 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
87 case NL80211_CHAN_HT40PLUS:
88 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
89 case NL80211_CHAN_HT40MINUS:
90 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
91 default:
92 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
93 }
94 }
95
96 /* This function maps IEEE HT secondary channel type to NL80211 channel type
97 */
98 u8 mwifiex_get_chan_type(struct mwifiex_private *priv)
99 {
100 struct mwifiex_channel_band channel_band;
101 int ret;
102
103 ret = mwifiex_get_chan_info(priv, &channel_band);
104
105 if (!ret) {
106 switch (channel_band.band_config.chan_width) {
107 case CHAN_BW_20MHZ:
108 if (IS_11N_ENABLED(priv))
109 return NL80211_CHAN_HT20;
110 else
111 return NL80211_CHAN_NO_HT;
112 case CHAN_BW_40MHZ:
113 if (channel_band.band_config.chan2_offset ==
114 SEC_CHAN_ABOVE)
115 return NL80211_CHAN_HT40PLUS;
116 else
117 return NL80211_CHAN_HT40MINUS;
118 default:
119 return NL80211_CHAN_HT20;
120 }
121 }
122
123 return NL80211_CHAN_HT20;
124 }
125
126 /*
127 * This function checks whether WEP is set.
128 */
129 static int
130 mwifiex_is_alg_wep(u32 cipher)
131 {
132 switch (cipher) {
133 case WLAN_CIPHER_SUITE_WEP40:
134 case WLAN_CIPHER_SUITE_WEP104:
135 return 1;
136 default:
137 break;
138 }
139
140 return 0;
141 }
142
143 /*
144 * This function retrieves the private structure from kernel wiphy structure.
145 */
146 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
147 {
148 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
149 }
150
151 /*
152 * CFG802.11 operation handler to delete a network key.
153 */
154 static int
155 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
156 u8 key_index, bool pairwise, const u8 *mac_addr)
157 {
158 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
159 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
160 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
161
162 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
163 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
164 return -EFAULT;
165 }
166
167 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
168 return 0;
169 }
170
171 /*
172 * This function forms an skb for management frame.
173 */
174 static int
175 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
176 {
177 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
178 u16 pkt_len;
179 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
180
181 pkt_len = len + ETH_ALEN;
182
183 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
184 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
185 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
186
187 memcpy(skb_push(skb, sizeof(tx_control)),
188 &tx_control, sizeof(tx_control));
189
190 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
191
192 /* Add packet data and address4 */
193 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr));
194 skb_put_data(skb, addr, ETH_ALEN);
195 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr),
196 len - sizeof(struct ieee80211_hdr_3addr));
197
198 skb->priority = LOW_PRIO_TID;
199 __net_timestamp(skb);
200
201 return 0;
202 }
203
204 /*
205 * CFG802.11 operation handler to transmit a management frame.
206 */
207 static int
208 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
209 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
210 {
211 const u8 *buf = params->buf;
212 size_t len = params->len;
213 struct sk_buff *skb;
214 u16 pkt_len;
215 const struct ieee80211_mgmt *mgmt;
216 struct mwifiex_txinfo *tx_info;
217 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
218
219 if (!buf || !len) {
220 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
221 return -EFAULT;
222 }
223
224 mgmt = (const struct ieee80211_mgmt *)buf;
225 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
226 ieee80211_is_probe_resp(mgmt->frame_control)) {
227 /* Since we support offload probe resp, we need to skip probe
228 * resp in AP or GO mode */
229 mwifiex_dbg(priv->adapter, INFO,
230 "info: skip to send probe resp in AP or GO mode\n");
231 return 0;
232 }
233
234 pkt_len = len + ETH_ALEN;
235 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
236 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
237 pkt_len + sizeof(pkt_len));
238
239 if (!skb) {
240 mwifiex_dbg(priv->adapter, ERROR,
241 "allocate skb failed for management frame\n");
242 return -ENOMEM;
243 }
244
245 tx_info = MWIFIEX_SKB_TXCB(skb);
246 memset(tx_info, 0, sizeof(*tx_info));
247 tx_info->bss_num = priv->bss_num;
248 tx_info->bss_type = priv->bss_type;
249 tx_info->pkt_len = pkt_len;
250
251 mwifiex_form_mgmt_frame(skb, buf, len);
252 *cookie = prandom_u32() | 1;
253
254 if (ieee80211_is_action(mgmt->frame_control))
255 skb = mwifiex_clone_skb_for_tx_status(priv,
256 skb,
257 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
258 else
259 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
260 GFP_ATOMIC);
261
262 mwifiex_queue_tx_pkt(priv, skb);
263
264 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
265 return 0;
266 }
267
268 /*
269 * CFG802.11 operation handler to register a mgmt frame.
270 */
271 static void
272 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
273 struct wireless_dev *wdev,
274 u16 frame_type, bool reg)
275 {
276 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
277 u32 mask;
278
279 if (reg)
280 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
281 else
282 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
283
284 if (mask != priv->mgmt_frame_mask) {
285 priv->mgmt_frame_mask = mask;
286 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
287 HostCmd_ACT_GEN_SET, 0,
288 &priv->mgmt_frame_mask, false);
289 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
290 }
291 }
292
293 /*
294 * CFG802.11 operation handler to remain on channel.
295 */
296 static int
297 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
298 struct wireless_dev *wdev,
299 struct ieee80211_channel *chan,
300 unsigned int duration, u64 *cookie)
301 {
302 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
303 int ret;
304
305 if (!chan || !cookie) {
306 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
307 return -EINVAL;
308 }
309
310 if (priv->roc_cfg.cookie) {
311 mwifiex_dbg(priv->adapter, INFO,
312 "info: ongoing ROC, cookie = 0x%llx\n",
313 priv->roc_cfg.cookie);
314 return -EBUSY;
315 }
316
317 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
318 duration);
319
320 if (!ret) {
321 *cookie = prandom_u32() | 1;
322 priv->roc_cfg.cookie = *cookie;
323 priv->roc_cfg.chan = *chan;
324
325 cfg80211_ready_on_channel(wdev, *cookie, chan,
326 duration, GFP_ATOMIC);
327
328 mwifiex_dbg(priv->adapter, INFO,
329 "info: ROC, cookie = 0x%llx\n", *cookie);
330 }
331
332 return ret;
333 }
334
335 /*
336 * CFG802.11 operation handler to cancel remain on channel.
337 */
338 static int
339 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
340 struct wireless_dev *wdev, u64 cookie)
341 {
342 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
343 int ret;
344
345 if (cookie != priv->roc_cfg.cookie)
346 return -ENOENT;
347
348 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
349 &priv->roc_cfg.chan, 0);
350
351 if (!ret) {
352 cfg80211_remain_on_channel_expired(wdev, cookie,
353 &priv->roc_cfg.chan,
354 GFP_ATOMIC);
355
356 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
357
358 mwifiex_dbg(priv->adapter, INFO,
359 "info: cancel ROC, cookie = 0x%llx\n", cookie);
360 }
361
362 return ret;
363 }
364
365 /*
366 * CFG802.11 operation handler to set Tx power.
367 */
368 static int
369 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
370 struct wireless_dev *wdev,
371 enum nl80211_tx_power_setting type,
372 int mbm)
373 {
374 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
375 struct mwifiex_private *priv;
376 struct mwifiex_power_cfg power_cfg;
377 int dbm = MBM_TO_DBM(mbm);
378
379 if (type == NL80211_TX_POWER_FIXED) {
380 power_cfg.is_power_auto = 0;
381 power_cfg.power_level = dbm;
382 } else {
383 power_cfg.is_power_auto = 1;
384 }
385
386 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
387
388 return mwifiex_set_tx_power(priv, &power_cfg);
389 }
390
391 /*
392 * CFG802.11 operation handler to get Tx power.
393 */
394 static int
395 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
396 struct wireless_dev *wdev,
397 int *dbm)
398 {
399 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
400 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
401 MWIFIEX_BSS_ROLE_ANY);
402 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
403 HostCmd_ACT_GEN_GET, 0, NULL, true);
404
405 if (ret < 0)
406 return ret;
407
408 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
409 *dbm = priv->tx_power_level;
410
411 return 0;
412 }
413
414 /*
415 * CFG802.11 operation handler to set Power Save option.
416 *
417 * The timeout value, if provided, is currently ignored.
418 */
419 static int
420 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
421 struct net_device *dev,
422 bool enabled, int timeout)
423 {
424 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
425 u32 ps_mode;
426
427 if (timeout)
428 mwifiex_dbg(priv->adapter, INFO,
429 "info: ignore timeout value for IEEE Power Save\n");
430
431 ps_mode = enabled;
432
433 return mwifiex_drv_set_power(priv, &ps_mode);
434 }
435
436 /*
437 * CFG802.11 operation handler to set the default network key.
438 */
439 static int
440 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
441 u8 key_index, bool unicast,
442 bool multicast)
443 {
444 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
445
446 /* Return if WEP key not configured */
447 if (!priv->sec_info.wep_enabled)
448 return 0;
449
450 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
451 priv->wep_key_curr_index = key_index;
452 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
453 NULL, 0)) {
454 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
455 return -EFAULT;
456 }
457
458 return 0;
459 }
460
461 /*
462 * CFG802.11 operation handler to add a network key.
463 */
464 static int
465 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
466 u8 key_index, bool pairwise, const u8 *mac_addr,
467 struct key_params *params)
468 {
469 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
470 struct mwifiex_wep_key *wep_key;
471 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
472 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
473
474 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
475 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
476 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
477 if (params->key && params->key_len) {
478 wep_key = &priv->wep_key[key_index];
479 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
480 memcpy(wep_key->key_material, params->key,
481 params->key_len);
482 wep_key->key_index = key_index;
483 wep_key->key_length = params->key_len;
484 priv->sec_info.wep_enabled = 1;
485 }
486 return 0;
487 }
488
489 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
490 key_index, peer_mac, 0)) {
491 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
492 return -EFAULT;
493 }
494
495 return 0;
496 }
497
498 /*
499 * CFG802.11 operation handler to set default mgmt key.
500 */
501 static int
502 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
503 struct net_device *netdev,
504 u8 key_index)
505 {
506 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
507 struct mwifiex_ds_encrypt_key encrypt_key;
508
509 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);
510
511 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
512 encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
513 encrypt_key.key_index = key_index;
514 encrypt_key.is_igtk_def_key = true;
515 eth_broadcast_addr(encrypt_key.mac_addr);
516
517 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
518 HostCmd_ACT_GEN_SET, true, &encrypt_key, true);
519 }
520
521 /*
522 * This function sends domain information to the firmware.
523 *
524 * The following information are passed to the firmware -
525 * - Country codes
526 * - Sub bands (first channel, number of channels, maximum Tx power)
527 */
528 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
529 {
530 u8 no_of_triplet = 0;
531 struct ieee80211_country_ie_triplet *t;
532 u8 no_of_parsed_chan = 0;
533 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
534 u8 i, flag = 0;
535 enum nl80211_band band;
536 struct ieee80211_supported_band *sband;
537 struct ieee80211_channel *ch;
538 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
539 struct mwifiex_private *priv;
540 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
541
542 /* Set country code */
543 domain_info->country_code[0] = adapter->country_code[0];
544 domain_info->country_code[1] = adapter->country_code[1];
545 domain_info->country_code[2] = ' ';
546
547 band = mwifiex_band_to_radio_type(adapter->config_bands);
548 if (!wiphy->bands[band]) {
549 mwifiex_dbg(adapter, ERROR,
550 "11D: setting domain info in FW\n");
551 return -1;
552 }
553
554 sband = wiphy->bands[band];
555
556 for (i = 0; i < sband->n_channels ; i++) {
557 ch = &sband->channels[i];
558 if (ch->flags & IEEE80211_CHAN_DISABLED)
559 continue;
560
561 if (!flag) {
562 flag = 1;
563 first_chan = (u32) ch->hw_value;
564 next_chan = first_chan;
565 max_pwr = ch->max_power;
566 no_of_parsed_chan = 1;
567 continue;
568 }
569
570 if (ch->hw_value == next_chan + 1 &&
571 ch->max_power == max_pwr) {
572 next_chan++;
573 no_of_parsed_chan++;
574 } else {
575 t = &domain_info->triplet[no_of_triplet];
576 t->chans.first_channel = first_chan;
577 t->chans.num_channels = no_of_parsed_chan;
578 t->chans.max_power = max_pwr;
579 no_of_triplet++;
580 first_chan = (u32) ch->hw_value;
581 next_chan = first_chan;
582 max_pwr = ch->max_power;
583 no_of_parsed_chan = 1;
584 }
585 }
586
587 if (flag) {
588 t = &domain_info->triplet[no_of_triplet];
589 t->chans.first_channel = first_chan;
590 t->chans.num_channels = no_of_parsed_chan;
591 t->chans.max_power = max_pwr;
592 no_of_triplet++;
593 }
594
595 domain_info->no_of_triplet = no_of_triplet;
596
597 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
598
599 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
600 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
601 mwifiex_dbg(adapter, INFO,
602 "11D: setting domain info in FW\n");
603 return -1;
604 }
605
606 return 0;
607 }
608
609 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
610 {
611 struct ieee80211_supported_band *sband;
612 struct ieee80211_channel *chan;
613 unsigned int i;
614
615 if (!wiphy->bands[NL80211_BAND_5GHZ])
616 return;
617 sband = wiphy->bands[NL80211_BAND_5GHZ];
618
619 for (i = 0; i < sband->n_channels; i++) {
620 chan = &sband->channels[i];
621 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
622 (chan->flags & IEEE80211_CHAN_RADAR))
623 chan->flags |= IEEE80211_CHAN_NO_IR;
624 }
625 }
626
627 /*
628 * CFG802.11 regulatory domain callback function.
629 *
630 * This function is called when the regulatory domain is changed due to the
631 * following reasons -
632 * - Set by driver
633 * - Set by system core
634 * - Set by user
635 * - Set bt Country IE
636 */
637 static void mwifiex_reg_notifier(struct wiphy *wiphy,
638 struct regulatory_request *request)
639 {
640 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
641 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
642 MWIFIEX_BSS_ROLE_ANY);
643 mwifiex_dbg(adapter, INFO,
644 "info: cfg80211 regulatory domain callback for %c%c\n",
645 request->alpha2[0], request->alpha2[1]);
646 mwifiex_reg_apply_radar_flags(wiphy);
647
648 switch (request->initiator) {
649 case NL80211_REGDOM_SET_BY_DRIVER:
650 case NL80211_REGDOM_SET_BY_CORE:
651 case NL80211_REGDOM_SET_BY_USER:
652 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
653 break;
654 default:
655 mwifiex_dbg(adapter, ERROR,
656 "unknown regdom initiator: %d\n",
657 request->initiator);
658 return;
659 }
660
661 /* Don't send world or same regdom info to firmware */
662 if (strncmp(request->alpha2, "00", 2) &&
663 strncmp(request->alpha2, adapter->country_code,
664 sizeof(request->alpha2))) {
665 memcpy(adapter->country_code, request->alpha2,
666 sizeof(request->alpha2));
667 mwifiex_send_domain_info_cmd_fw(wiphy);
668 mwifiex_dnld_txpwr_table(priv);
669 }
670 }
671
672 /*
673 * This function sets the fragmentation threshold.
674 *
675 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
676 * and MWIFIEX_FRAG_MAX_VALUE.
677 */
678 static int
679 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
680 {
681 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
682 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
683 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
684
685 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
686 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
687 &frag_thr, true);
688 }
689
690 /*
691 * This function sets the RTS threshold.
692
693 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
694 * and MWIFIEX_RTS_MAX_VALUE.
695 */
696 static int
697 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
698 {
699 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
700 rts_thr = MWIFIEX_RTS_MAX_VALUE;
701
702 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
703 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
704 &rts_thr, true);
705 }
706
707 /*
708 * CFG802.11 operation handler to set wiphy parameters.
709 *
710 * This function can be used to set the RTS threshold and the
711 * Fragmentation threshold of the driver.
712 */
713 static int
714 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
715 {
716 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
717 struct mwifiex_private *priv;
718 struct mwifiex_uap_bss_param *bss_cfg;
719 int ret;
720
721 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
722
723 switch (priv->bss_role) {
724 case MWIFIEX_BSS_ROLE_UAP:
725 if (priv->bss_started) {
726 mwifiex_dbg(adapter, ERROR,
727 "cannot change wiphy params when bss started");
728 return -EINVAL;
729 }
730
731 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
732 if (!bss_cfg)
733 return -ENOMEM;
734
735 mwifiex_set_sys_config_invalid_data(bss_cfg);
736
737 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
738 bss_cfg->rts_threshold = wiphy->rts_threshold;
739 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
740 bss_cfg->frag_threshold = wiphy->frag_threshold;
741 if (changed & WIPHY_PARAM_RETRY_LONG)
742 bss_cfg->retry_limit = wiphy->retry_long;
743
744 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
745 HostCmd_ACT_GEN_SET,
746 UAP_BSS_PARAMS_I, bss_cfg,
747 false);
748
749 kfree(bss_cfg);
750 if (ret) {
751 mwifiex_dbg(adapter, ERROR,
752 "Failed to set wiphy phy params\n");
753 return ret;
754 }
755 break;
756
757 case MWIFIEX_BSS_ROLE_STA:
758 if (priv->media_connected) {
759 mwifiex_dbg(adapter, ERROR,
760 "cannot change wiphy params when connected");
761 return -EINVAL;
762 }
763 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
764 ret = mwifiex_set_rts(priv,
765 wiphy->rts_threshold);
766 if (ret)
767 return ret;
768 }
769 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
770 ret = mwifiex_set_frag(priv,
771 wiphy->frag_threshold);
772 if (ret)
773 return ret;
774 }
775 break;
776 }
777
778 return 0;
779 }
780
781 static int
782 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
783 {
784 u16 mode = P2P_MODE_DISABLE;
785
786 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
787 HostCmd_ACT_GEN_SET, 0, &mode, true))
788 return -1;
789
790 return 0;
791 }
792
793 /*
794 * This function initializes the functionalities for P2P client.
795 * The P2P client initialization sequence is:
796 * disable -> device -> client
797 */
798 static int
799 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
800 {
801 u16 mode;
802
803 if (mwifiex_cfg80211_deinit_p2p(priv))
804 return -1;
805
806 mode = P2P_MODE_DEVICE;
807 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
808 HostCmd_ACT_GEN_SET, 0, &mode, true))
809 return -1;
810
811 mode = P2P_MODE_CLIENT;
812 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
813 HostCmd_ACT_GEN_SET, 0, &mode, true))
814 return -1;
815
816 return 0;
817 }
818
819 /*
820 * This function initializes the functionalities for P2P GO.
821 * The P2P GO initialization sequence is:
822 * disable -> device -> GO
823 */
824 static int
825 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
826 {
827 u16 mode;
828
829 if (mwifiex_cfg80211_deinit_p2p(priv))
830 return -1;
831
832 mode = P2P_MODE_DEVICE;
833 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
834 HostCmd_ACT_GEN_SET, 0, &mode, true))
835 return -1;
836
837 mode = P2P_MODE_GO;
838 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
839 HostCmd_ACT_GEN_SET, 0, &mode, true))
840 return -1;
841
842 return 0;
843 }
844
845 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
846 {
847 struct mwifiex_adapter *adapter = priv->adapter;
848 unsigned long flags;
849
850 priv->mgmt_frame_mask = 0;
851 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
852 HostCmd_ACT_GEN_SET, 0,
853 &priv->mgmt_frame_mask, false)) {
854 mwifiex_dbg(adapter, ERROR,
855 "could not unregister mgmt frame rx\n");
856 return -1;
857 }
858
859 mwifiex_deauthenticate(priv, NULL);
860
861 spin_lock_irqsave(&adapter->main_proc_lock, flags);
862 adapter->main_locked = true;
863 if (adapter->mwifiex_processing) {
864 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
865 flush_workqueue(adapter->workqueue);
866 } else {
867 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
868 }
869
870 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
871 adapter->rx_locked = true;
872 if (adapter->rx_processing) {
873 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
874 flush_workqueue(adapter->rx_workqueue);
875 } else {
876 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
877 }
878
879 mwifiex_free_priv(priv);
880 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
881 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
882 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
883
884 return 0;
885 }
886
887 static int
888 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
889 struct net_device *dev,
890 enum nl80211_iftype type)
891 {
892 struct mwifiex_adapter *adapter = priv->adapter;
893 unsigned long flags;
894
895 mwifiex_init_priv(priv);
896
897 priv->bss_mode = type;
898 priv->wdev.iftype = type;
899
900 mwifiex_init_priv_params(priv, priv->netdev);
901 priv->bss_started = 0;
902
903 switch (type) {
904 case NL80211_IFTYPE_STATION:
905 case NL80211_IFTYPE_ADHOC:
906 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
907 break;
908 case NL80211_IFTYPE_P2P_CLIENT:
909 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
910 break;
911 case NL80211_IFTYPE_P2P_GO:
912 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
913 break;
914 case NL80211_IFTYPE_AP:
915 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
916 break;
917 default:
918 mwifiex_dbg(adapter, ERROR,
919 "%s: changing to %d not supported\n",
920 dev->name, type);
921 return -EOPNOTSUPP;
922 }
923
924 spin_lock_irqsave(&adapter->main_proc_lock, flags);
925 adapter->main_locked = false;
926 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
927
928 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
929 adapter->rx_locked = false;
930 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
931
932 mwifiex_set_mac_address(priv, dev, false, NULL);
933
934 return 0;
935 }
936
937 static int
938 mwifiex_change_vif_to_p2p(struct net_device *dev,
939 enum nl80211_iftype curr_iftype,
940 enum nl80211_iftype type,
941 struct vif_params *params)
942 {
943 struct mwifiex_private *priv;
944 struct mwifiex_adapter *adapter;
945
946 priv = mwifiex_netdev_get_priv(dev);
947
948 if (!priv)
949 return -1;
950
951 adapter = priv->adapter;
952
953 if (adapter->curr_iface_comb.p2p_intf ==
954 adapter->iface_limit.p2p_intf) {
955 mwifiex_dbg(adapter, ERROR,
956 "cannot create multiple P2P ifaces\n");
957 return -1;
958 }
959
960 mwifiex_dbg(adapter, INFO,
961 "%s: changing role to p2p\n", dev->name);
962
963 if (mwifiex_deinit_priv_params(priv))
964 return -1;
965 if (mwifiex_init_new_priv_params(priv, dev, type))
966 return -1;
967
968 switch (type) {
969 case NL80211_IFTYPE_P2P_CLIENT:
970 if (mwifiex_cfg80211_init_p2p_client(priv))
971 return -EFAULT;
972 break;
973 case NL80211_IFTYPE_P2P_GO:
974 if (mwifiex_cfg80211_init_p2p_go(priv))
975 return -EFAULT;
976 break;
977 default:
978 mwifiex_dbg(adapter, ERROR,
979 "%s: changing to %d not supported\n",
980 dev->name, type);
981 return -EOPNOTSUPP;
982 }
983
984 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
985 HostCmd_ACT_GEN_SET, 0, NULL, true))
986 return -1;
987
988 if (mwifiex_sta_init_cmd(priv, false, false))
989 return -1;
990
991 switch (curr_iftype) {
992 case NL80211_IFTYPE_STATION:
993 case NL80211_IFTYPE_ADHOC:
994 adapter->curr_iface_comb.sta_intf--;
995 break;
996 case NL80211_IFTYPE_AP:
997 adapter->curr_iface_comb.uap_intf--;
998 break;
999 default:
1000 break;
1001 }
1002
1003 adapter->curr_iface_comb.p2p_intf++;
1004 dev->ieee80211_ptr->iftype = type;
1005
1006 return 0;
1007 }
1008
1009 static int
1010 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
1011 enum nl80211_iftype curr_iftype,
1012 enum nl80211_iftype type,
1013 struct vif_params *params)
1014 {
1015 struct mwifiex_private *priv;
1016 struct mwifiex_adapter *adapter;
1017
1018 priv = mwifiex_netdev_get_priv(dev);
1019
1020 if (!priv)
1021 return -1;
1022
1023 adapter = priv->adapter;
1024
1025 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
1026 curr_iftype != NL80211_IFTYPE_P2P_GO) &&
1027 (adapter->curr_iface_comb.sta_intf ==
1028 adapter->iface_limit.sta_intf)) {
1029 mwifiex_dbg(adapter, ERROR,
1030 "cannot create multiple station/adhoc ifaces\n");
1031 return -1;
1032 }
1033
1034 if (type == NL80211_IFTYPE_STATION)
1035 mwifiex_dbg(adapter, INFO,
1036 "%s: changing role to station\n", dev->name);
1037 else
1038 mwifiex_dbg(adapter, INFO,
1039 "%s: changing role to adhoc\n", dev->name);
1040
1041 if (mwifiex_deinit_priv_params(priv))
1042 return -1;
1043 if (mwifiex_init_new_priv_params(priv, dev, type))
1044 return -1;
1045 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1046 HostCmd_ACT_GEN_SET, 0, NULL, true))
1047 return -1;
1048 if (mwifiex_sta_init_cmd(priv, false, false))
1049 return -1;
1050
1051 switch (curr_iftype) {
1052 case NL80211_IFTYPE_P2P_CLIENT:
1053 case NL80211_IFTYPE_P2P_GO:
1054 adapter->curr_iface_comb.p2p_intf--;
1055 break;
1056 case NL80211_IFTYPE_AP:
1057 adapter->curr_iface_comb.uap_intf--;
1058 break;
1059 default:
1060 break;
1061 }
1062
1063 adapter->curr_iface_comb.sta_intf++;
1064 dev->ieee80211_ptr->iftype = type;
1065 return 0;
1066 }
1067
1068 static int
1069 mwifiex_change_vif_to_ap(struct net_device *dev,
1070 enum nl80211_iftype curr_iftype,
1071 enum nl80211_iftype type,
1072 struct vif_params *params)
1073 {
1074 struct mwifiex_private *priv;
1075 struct mwifiex_adapter *adapter;
1076
1077 priv = mwifiex_netdev_get_priv(dev);
1078
1079 if (!priv)
1080 return -1;
1081
1082 adapter = priv->adapter;
1083
1084 if (adapter->curr_iface_comb.uap_intf ==
1085 adapter->iface_limit.uap_intf) {
1086 mwifiex_dbg(adapter, ERROR,
1087 "cannot create multiple AP ifaces\n");
1088 return -1;
1089 }
1090
1091 mwifiex_dbg(adapter, INFO,
1092 "%s: changing role to AP\n", dev->name);
1093
1094 if (mwifiex_deinit_priv_params(priv))
1095 return -1;
1096 if (mwifiex_init_new_priv_params(priv, dev, type))
1097 return -1;
1098 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1099 HostCmd_ACT_GEN_SET, 0, NULL, true))
1100 return -1;
1101 if (mwifiex_sta_init_cmd(priv, false, false))
1102 return -1;
1103
1104 switch (curr_iftype) {
1105 case NL80211_IFTYPE_P2P_CLIENT:
1106 case NL80211_IFTYPE_P2P_GO:
1107 adapter->curr_iface_comb.p2p_intf--;
1108 break;
1109 case NL80211_IFTYPE_STATION:
1110 case NL80211_IFTYPE_ADHOC:
1111 adapter->curr_iface_comb.sta_intf--;
1112 break;
1113 default:
1114 break;
1115 }
1116
1117 adapter->curr_iface_comb.uap_intf++;
1118 dev->ieee80211_ptr->iftype = type;
1119 return 0;
1120 }
1121 /*
1122 * CFG802.11 operation handler to change interface type.
1123 */
1124 static int
1125 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1126 struct net_device *dev,
1127 enum nl80211_iftype type,
1128 struct vif_params *params)
1129 {
1130 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1131 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1132
1133 if (priv->scan_request) {
1134 mwifiex_dbg(priv->adapter, ERROR,
1135 "change virtual interface: scan in process\n");
1136 return -EBUSY;
1137 }
1138
1139 switch (curr_iftype) {
1140 case NL80211_IFTYPE_ADHOC:
1141 switch (type) {
1142 case NL80211_IFTYPE_STATION:
1143 priv->bss_mode = type;
1144 priv->sec_info.authentication_mode =
1145 NL80211_AUTHTYPE_OPEN_SYSTEM;
1146 dev->ieee80211_ptr->iftype = type;
1147 mwifiex_deauthenticate(priv, NULL);
1148 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1149 HostCmd_ACT_GEN_SET, 0, NULL,
1150 true);
1151 case NL80211_IFTYPE_P2P_CLIENT:
1152 case NL80211_IFTYPE_P2P_GO:
1153 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1154 type, params);
1155 case NL80211_IFTYPE_AP:
1156 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1157 params);
1158 case NL80211_IFTYPE_UNSPECIFIED:
1159 mwifiex_dbg(priv->adapter, INFO,
1160 "%s: kept type as IBSS\n", dev->name);
1161 /* fall through */
1162 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
1163 return 0;
1164 default:
1165 mwifiex_dbg(priv->adapter, ERROR,
1166 "%s: changing to %d not supported\n",
1167 dev->name, type);
1168 return -EOPNOTSUPP;
1169 }
1170 break;
1171 case NL80211_IFTYPE_STATION:
1172 switch (type) {
1173 case NL80211_IFTYPE_ADHOC:
1174 priv->bss_mode = type;
1175 priv->sec_info.authentication_mode =
1176 NL80211_AUTHTYPE_OPEN_SYSTEM;
1177 dev->ieee80211_ptr->iftype = type;
1178 mwifiex_deauthenticate(priv, NULL);
1179 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1180 HostCmd_ACT_GEN_SET, 0, NULL,
1181 true);
1182 case NL80211_IFTYPE_P2P_CLIENT:
1183 case NL80211_IFTYPE_P2P_GO:
1184 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1185 type, params);
1186 case NL80211_IFTYPE_AP:
1187 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1188 params);
1189 case NL80211_IFTYPE_UNSPECIFIED:
1190 mwifiex_dbg(priv->adapter, INFO,
1191 "%s: kept type as STA\n", dev->name);
1192 /* fall through */
1193 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
1194 return 0;
1195 default:
1196 mwifiex_dbg(priv->adapter, ERROR,
1197 "%s: changing to %d not supported\n",
1198 dev->name, type);
1199 return -EOPNOTSUPP;
1200 }
1201 break;
1202 case NL80211_IFTYPE_AP:
1203 switch (type) {
1204 case NL80211_IFTYPE_ADHOC:
1205 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1206 type, params);
1207 break;
1208 case NL80211_IFTYPE_P2P_CLIENT:
1209 case NL80211_IFTYPE_P2P_GO:
1210 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1211 type, params);
1212 case NL80211_IFTYPE_UNSPECIFIED:
1213 mwifiex_dbg(priv->adapter, INFO,
1214 "%s: kept type as AP\n", dev->name);
1215 /* fall through */
1216 case NL80211_IFTYPE_AP: /* This shouldn't happen */
1217 return 0;
1218 default:
1219 mwifiex_dbg(priv->adapter, ERROR,
1220 "%s: changing to %d not supported\n",
1221 dev->name, type);
1222 return -EOPNOTSUPP;
1223 }
1224 break;
1225 case NL80211_IFTYPE_P2P_CLIENT:
1226 case NL80211_IFTYPE_P2P_GO:
1227 switch (type) {
1228 case NL80211_IFTYPE_STATION:
1229 if (mwifiex_cfg80211_deinit_p2p(priv))
1230 return -EFAULT;
1231 priv->adapter->curr_iface_comb.p2p_intf--;
1232 priv->adapter->curr_iface_comb.sta_intf++;
1233 dev->ieee80211_ptr->iftype = type;
1234 if (mwifiex_deinit_priv_params(priv))
1235 return -1;
1236 if (mwifiex_init_new_priv_params(priv, dev, type))
1237 return -1;
1238 if (mwifiex_sta_init_cmd(priv, false, false))
1239 return -1;
1240 break;
1241 case NL80211_IFTYPE_ADHOC:
1242 if (mwifiex_cfg80211_deinit_p2p(priv))
1243 return -EFAULT;
1244 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1245 type, params);
1246 break;
1247 case NL80211_IFTYPE_AP:
1248 if (mwifiex_cfg80211_deinit_p2p(priv))
1249 return -EFAULT;
1250 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1251 params);
1252 case NL80211_IFTYPE_UNSPECIFIED:
1253 mwifiex_dbg(priv->adapter, INFO,
1254 "%s: kept type as P2P\n", dev->name);
1255 /* fall through */
1256 case NL80211_IFTYPE_P2P_CLIENT:
1257 case NL80211_IFTYPE_P2P_GO:
1258 return 0;
1259 default:
1260 mwifiex_dbg(priv->adapter, ERROR,
1261 "%s: changing to %d not supported\n",
1262 dev->name, type);
1263 return -EOPNOTSUPP;
1264 }
1265 break;
1266 default:
1267 mwifiex_dbg(priv->adapter, ERROR,
1268 "%s: unknown iftype: %d\n",
1269 dev->name, dev->ieee80211_ptr->iftype);
1270 return -EOPNOTSUPP;
1271 }
1272
1273
1274 return 0;
1275 }
1276
1277 static void
1278 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
1279 struct rate_info *rate)
1280 {
1281 struct mwifiex_adapter *adapter = priv->adapter;
1282
1283 if (adapter->is_hw_11ac_capable) {
1284 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1285 if (tx_htinfo & BIT(0)) {
1286 /* HT */
1287 rate->mcs = priv->tx_rate;
1288 rate->flags |= RATE_INFO_FLAGS_MCS;
1289 }
1290 if (tx_htinfo & BIT(1)) {
1291 /* VHT */
1292 rate->mcs = priv->tx_rate & 0x0F;
1293 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1294 }
1295
1296 if (tx_htinfo & (BIT(1) | BIT(0))) {
1297 /* HT or VHT */
1298 switch (tx_htinfo & (BIT(3) | BIT(2))) {
1299 case 0:
1300 rate->bw = RATE_INFO_BW_20;
1301 break;
1302 case (BIT(2)):
1303 rate->bw = RATE_INFO_BW_40;
1304 break;
1305 case (BIT(3)):
1306 rate->bw = RATE_INFO_BW_80;
1307 break;
1308 case (BIT(3) | BIT(2)):
1309 rate->bw = RATE_INFO_BW_160;
1310 break;
1311 }
1312
1313 if (tx_htinfo & BIT(4))
1314 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1315
1316 if ((priv->tx_rate >> 4) == 1)
1317 rate->nss = 2;
1318 else
1319 rate->nss = 1;
1320 }
1321 } else {
1322 /*
1323 * Bit 0 in tx_htinfo indicates that current Tx rate
1324 * is 11n rate. Valid MCS index values for us are 0 to 15.
1325 */
1326 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
1327 rate->mcs = priv->tx_rate;
1328 rate->flags |= RATE_INFO_FLAGS_MCS;
1329 rate->bw = RATE_INFO_BW_20;
1330 if (tx_htinfo & BIT(1))
1331 rate->bw = RATE_INFO_BW_40;
1332 if (tx_htinfo & BIT(2))
1333 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1334 }
1335 }
1336 }
1337
1338 /*
1339 * This function dumps the station information on a buffer.
1340 *
1341 * The following information are shown -
1342 * - Total bytes transmitted
1343 * - Total bytes received
1344 * - Total packets transmitted
1345 * - Total packets received
1346 * - Signal quality level
1347 * - Transmission rate
1348 */
1349 static int
1350 mwifiex_dump_station_info(struct mwifiex_private *priv,
1351 struct mwifiex_sta_node *node,
1352 struct station_info *sinfo)
1353 {
1354 u32 rate;
1355
1356 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) |
1357 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) |
1358 BIT(NL80211_STA_INFO_TX_BITRATE) |
1359 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG);
1360
1361 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1362 if (!node)
1363 return -ENOENT;
1364
1365 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) |
1366 BIT(NL80211_STA_INFO_TX_FAILED);
1367 sinfo->inactive_time =
1368 jiffies_to_msecs(jiffies - node->stats.last_rx);
1369
1370 sinfo->signal = node->stats.rssi;
1371 sinfo->signal_avg = node->stats.rssi;
1372 sinfo->rx_bytes = node->stats.rx_bytes;
1373 sinfo->tx_bytes = node->stats.tx_bytes;
1374 sinfo->rx_packets = node->stats.rx_packets;
1375 sinfo->tx_packets = node->stats.tx_packets;
1376 sinfo->tx_failed = node->stats.tx_failed;
1377
1378 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo,
1379 &sinfo->txrate);
1380 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1381
1382 return 0;
1383 }
1384
1385 /* Get signal information from the firmware */
1386 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1387 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1388 mwifiex_dbg(priv->adapter, ERROR,
1389 "failed to get signal information\n");
1390 return -EFAULT;
1391 }
1392
1393 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1394 mwifiex_dbg(priv->adapter, ERROR,
1395 "getting data rate error\n");
1396 return -EFAULT;
1397 }
1398
1399 /* Get DTIM period information from firmware */
1400 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1401 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1402 &priv->dtim_period, true);
1403
1404 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
1405
1406 sinfo->signal_avg = priv->bcn_rssi_avg;
1407 sinfo->rx_bytes = priv->stats.rx_bytes;
1408 sinfo->tx_bytes = priv->stats.tx_bytes;
1409 sinfo->rx_packets = priv->stats.rx_packets;
1410 sinfo->tx_packets = priv->stats.tx_packets;
1411 sinfo->signal = priv->bcn_rssi_avg;
1412 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1413 sinfo->txrate.legacy = rate * 5;
1414
1415 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1416 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1417 sinfo->bss_param.flags = 0;
1418 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1419 WLAN_CAPABILITY_SHORT_PREAMBLE)
1420 sinfo->bss_param.flags |=
1421 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1422 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1423 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1424 sinfo->bss_param.flags |=
1425 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1426 sinfo->bss_param.dtim_period = priv->dtim_period;
1427 sinfo->bss_param.beacon_interval =
1428 priv->curr_bss_params.bss_descriptor.beacon_period;
1429 }
1430
1431 return 0;
1432 }
1433
1434 /*
1435 * CFG802.11 operation handler to get station information.
1436 *
1437 * This function only works in connected mode, and dumps the
1438 * requested station information, if available.
1439 */
1440 static int
1441 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1442 const u8 *mac, struct station_info *sinfo)
1443 {
1444 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1445
1446 if (!priv->media_connected)
1447 return -ENOENT;
1448 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1449 return -ENOENT;
1450
1451 return mwifiex_dump_station_info(priv, NULL, sinfo);
1452 }
1453
1454 /*
1455 * CFG802.11 operation handler to dump station information.
1456 */
1457 static int
1458 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1459 int idx, u8 *mac, struct station_info *sinfo)
1460 {
1461 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1462 static struct mwifiex_sta_node *node;
1463
1464 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1465 priv->media_connected && idx == 0) {
1466 ether_addr_copy(mac, priv->cfg_bssid);
1467 return mwifiex_dump_station_info(priv, NULL, sinfo);
1468 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1469 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1470 HostCmd_ACT_GEN_GET, 0, NULL, true);
1471
1472 if (node && (&node->list == &priv->sta_list)) {
1473 node = NULL;
1474 return -ENOENT;
1475 }
1476
1477 node = list_prepare_entry(node, &priv->sta_list, list);
1478 list_for_each_entry_continue(node, &priv->sta_list, list) {
1479 ether_addr_copy(mac, node->mac_addr);
1480 return mwifiex_dump_station_info(priv, node, sinfo);
1481 }
1482 }
1483
1484 return -ENOENT;
1485 }
1486
1487 static int
1488 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1489 int idx, struct survey_info *survey)
1490 {
1491 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1492 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1493 enum nl80211_band band;
1494
1495 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1496
1497 memset(survey, 0, sizeof(struct survey_info));
1498
1499 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1500 priv->media_connected && idx == 0) {
1501 u8 curr_bss_band = priv->curr_bss_params.band;
1502 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1503
1504 band = mwifiex_band_to_radio_type(curr_bss_band);
1505 survey->channel = ieee80211_get_channel(wiphy,
1506 ieee80211_channel_to_frequency(chan, band));
1507
1508 if (priv->bcn_nf_last) {
1509 survey->filled = SURVEY_INFO_NOISE_DBM;
1510 survey->noise = priv->bcn_nf_last;
1511 }
1512 return 0;
1513 }
1514
1515 if (idx >= priv->adapter->num_in_chan_stats)
1516 return -ENOENT;
1517
1518 if (!pchan_stats[idx].cca_scan_dur)
1519 return 0;
1520
1521 band = pchan_stats[idx].bandcfg;
1522 survey->channel = ieee80211_get_channel(wiphy,
1523 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1524 survey->filled = SURVEY_INFO_NOISE_DBM |
1525 SURVEY_INFO_TIME |
1526 SURVEY_INFO_TIME_BUSY;
1527 survey->noise = pchan_stats[idx].noise;
1528 survey->time = pchan_stats[idx].cca_scan_dur;
1529 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1530
1531 return 0;
1532 }
1533
1534 /* Supported rates to be advertised to the cfg80211 */
1535 static struct ieee80211_rate mwifiex_rates[] = {
1536 {.bitrate = 10, .hw_value = 2, },
1537 {.bitrate = 20, .hw_value = 4, },
1538 {.bitrate = 55, .hw_value = 11, },
1539 {.bitrate = 110, .hw_value = 22, },
1540 {.bitrate = 60, .hw_value = 12, },
1541 {.bitrate = 90, .hw_value = 18, },
1542 {.bitrate = 120, .hw_value = 24, },
1543 {.bitrate = 180, .hw_value = 36, },
1544 {.bitrate = 240, .hw_value = 48, },
1545 {.bitrate = 360, .hw_value = 72, },
1546 {.bitrate = 480, .hw_value = 96, },
1547 {.bitrate = 540, .hw_value = 108, },
1548 };
1549
1550 /* Channel definitions to be advertised to cfg80211 */
1551 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1552 {.center_freq = 2412, .hw_value = 1, },
1553 {.center_freq = 2417, .hw_value = 2, },
1554 {.center_freq = 2422, .hw_value = 3, },
1555 {.center_freq = 2427, .hw_value = 4, },
1556 {.center_freq = 2432, .hw_value = 5, },
1557 {.center_freq = 2437, .hw_value = 6, },
1558 {.center_freq = 2442, .hw_value = 7, },
1559 {.center_freq = 2447, .hw_value = 8, },
1560 {.center_freq = 2452, .hw_value = 9, },
1561 {.center_freq = 2457, .hw_value = 10, },
1562 {.center_freq = 2462, .hw_value = 11, },
1563 {.center_freq = 2467, .hw_value = 12, },
1564 {.center_freq = 2472, .hw_value = 13, },
1565 {.center_freq = 2484, .hw_value = 14, },
1566 };
1567
1568 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1569 .channels = mwifiex_channels_2ghz,
1570 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1571 .bitrates = mwifiex_rates,
1572 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1573 };
1574
1575 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1576 {.center_freq = 5040, .hw_value = 8, },
1577 {.center_freq = 5060, .hw_value = 12, },
1578 {.center_freq = 5080, .hw_value = 16, },
1579 {.center_freq = 5170, .hw_value = 34, },
1580 {.center_freq = 5190, .hw_value = 38, },
1581 {.center_freq = 5210, .hw_value = 42, },
1582 {.center_freq = 5230, .hw_value = 46, },
1583 {.center_freq = 5180, .hw_value = 36, },
1584 {.center_freq = 5200, .hw_value = 40, },
1585 {.center_freq = 5220, .hw_value = 44, },
1586 {.center_freq = 5240, .hw_value = 48, },
1587 {.center_freq = 5260, .hw_value = 52, },
1588 {.center_freq = 5280, .hw_value = 56, },
1589 {.center_freq = 5300, .hw_value = 60, },
1590 {.center_freq = 5320, .hw_value = 64, },
1591 {.center_freq = 5500, .hw_value = 100, },
1592 {.center_freq = 5520, .hw_value = 104, },
1593 {.center_freq = 5540, .hw_value = 108, },
1594 {.center_freq = 5560, .hw_value = 112, },
1595 {.center_freq = 5580, .hw_value = 116, },
1596 {.center_freq = 5600, .hw_value = 120, },
1597 {.center_freq = 5620, .hw_value = 124, },
1598 {.center_freq = 5640, .hw_value = 128, },
1599 {.center_freq = 5660, .hw_value = 132, },
1600 {.center_freq = 5680, .hw_value = 136, },
1601 {.center_freq = 5700, .hw_value = 140, },
1602 {.center_freq = 5745, .hw_value = 149, },
1603 {.center_freq = 5765, .hw_value = 153, },
1604 {.center_freq = 5785, .hw_value = 157, },
1605 {.center_freq = 5805, .hw_value = 161, },
1606 {.center_freq = 5825, .hw_value = 165, },
1607 };
1608
1609 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1610 .channels = mwifiex_channels_5ghz,
1611 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1612 .bitrates = mwifiex_rates + 4,
1613 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1614 };
1615
1616
1617 /* Supported crypto cipher suits to be advertised to cfg80211 */
1618 static const u32 mwifiex_cipher_suites[] = {
1619 WLAN_CIPHER_SUITE_WEP40,
1620 WLAN_CIPHER_SUITE_WEP104,
1621 WLAN_CIPHER_SUITE_TKIP,
1622 WLAN_CIPHER_SUITE_CCMP,
1623 WLAN_CIPHER_SUITE_SMS4,
1624 WLAN_CIPHER_SUITE_AES_CMAC,
1625 };
1626
1627 /* Supported mgmt frame types to be advertised to cfg80211 */
1628 static const struct ieee80211_txrx_stypes
1629 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1630 [NL80211_IFTYPE_STATION] = {
1631 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1632 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1633 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1634 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1635 },
1636 [NL80211_IFTYPE_AP] = {
1637 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1638 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1639 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1640 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1641 },
1642 [NL80211_IFTYPE_P2P_CLIENT] = {
1643 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1644 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1645 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1646 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1647 },
1648 [NL80211_IFTYPE_P2P_GO] = {
1649 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1650 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1651 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1652 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1653 },
1654 };
1655
1656 /*
1657 * CFG802.11 operation handler for setting bit rates.
1658 *
1659 * Function configures data rates to firmware using bitrate mask
1660 * provided by cfg80211.
1661 */
1662 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1663 struct net_device *dev,
1664 const u8 *peer,
1665 const struct cfg80211_bitrate_mask *mask)
1666 {
1667 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1668 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1669 enum nl80211_band band;
1670 struct mwifiex_adapter *adapter = priv->adapter;
1671
1672 if (!priv->media_connected) {
1673 mwifiex_dbg(adapter, ERROR,
1674 "Can not set Tx data rate in disconnected state\n");
1675 return -EINVAL;
1676 }
1677
1678 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1679
1680 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1681
1682 /* Fill HR/DSSS rates. */
1683 if (band == NL80211_BAND_2GHZ)
1684 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1685
1686 /* Fill OFDM rates */
1687 if (band == NL80211_BAND_2GHZ)
1688 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1689 else
1690 bitmap_rates[1] = mask->control[band].legacy;
1691
1692 /* Fill HT MCS rates */
1693 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1694 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1695 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1696
1697 /* Fill VHT MCS rates */
1698 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1699 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1700 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1701 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1702 }
1703
1704 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1705 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1706 }
1707
1708 /*
1709 * CFG802.11 operation handler for connection quality monitoring.
1710 *
1711 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1712 * events to FW.
1713 */
1714 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1715 struct net_device *dev,
1716 s32 rssi_thold, u32 rssi_hyst)
1717 {
1718 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1719 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1720
1721 priv->cqm_rssi_thold = rssi_thold;
1722 priv->cqm_rssi_hyst = rssi_hyst;
1723
1724 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1725 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1726
1727 /* Subscribe/unsubscribe low and high rssi events */
1728 if (rssi_thold && rssi_hyst) {
1729 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1730 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1731 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1732 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1733 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1734 return mwifiex_send_cmd(priv,
1735 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1736 0, 0, &subsc_evt, true);
1737 } else {
1738 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1739 return mwifiex_send_cmd(priv,
1740 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1741 0, 0, &subsc_evt, true);
1742 }
1743
1744 return 0;
1745 }
1746
1747 /* cfg80211 operation handler for change_beacon.
1748 * Function retrieves and sets modified management IEs to FW.
1749 */
1750 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1751 struct net_device *dev,
1752 struct cfg80211_beacon_data *data)
1753 {
1754 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1755 struct mwifiex_adapter *adapter = priv->adapter;
1756
1757 mwifiex_cancel_scan(adapter);
1758
1759 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1760 mwifiex_dbg(priv->adapter, ERROR,
1761 "%s: bss_type mismatched\n", __func__);
1762 return -EINVAL;
1763 }
1764
1765 if (!priv->bss_started) {
1766 mwifiex_dbg(priv->adapter, ERROR,
1767 "%s: bss not started\n", __func__);
1768 return -EINVAL;
1769 }
1770
1771 if (mwifiex_set_mgmt_ies(priv, data)) {
1772 mwifiex_dbg(priv->adapter, ERROR,
1773 "%s: setting mgmt ies failed\n", __func__);
1774 return -EFAULT;
1775 }
1776
1777 return 0;
1778 }
1779
1780 /* cfg80211 operation handler for del_station.
1781 * Function deauthenticates station which value is provided in mac parameter.
1782 * If mac is NULL/broadcast, all stations in associated station list are
1783 * deauthenticated. If bss is not started or there are no stations in
1784 * associated stations list, no action is taken.
1785 */
1786 static int
1787 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1788 struct station_del_parameters *params)
1789 {
1790 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1791 struct mwifiex_sta_node *sta_node;
1792 u8 deauth_mac[ETH_ALEN];
1793 unsigned long flags;
1794
1795 if (!priv->bss_started && priv->wdev.cac_started) {
1796 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1797 mwifiex_abort_cac(priv);
1798 }
1799
1800 if (list_empty(&priv->sta_list) || !priv->bss_started)
1801 return 0;
1802
1803 if (!params->mac || is_broadcast_ether_addr(params->mac))
1804 return 0;
1805
1806 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1807 __func__, params->mac);
1808
1809 eth_zero_addr(deauth_mac);
1810
1811 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1812 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1813 if (sta_node)
1814 ether_addr_copy(deauth_mac, params->mac);
1815 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1816
1817 if (is_valid_ether_addr(deauth_mac)) {
1818 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1819 HostCmd_ACT_GEN_SET, 0,
1820 deauth_mac, true))
1821 return -1;
1822 }
1823
1824 return 0;
1825 }
1826
1827 static int
1828 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1829 {
1830 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1831 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1832 MWIFIEX_BSS_ROLE_ANY);
1833 struct mwifiex_ds_ant_cfg ant_cfg;
1834
1835 if (!tx_ant || !rx_ant)
1836 return -EOPNOTSUPP;
1837
1838 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1839 /* Not a MIMO chip. User should provide specific antenna number
1840 * for Tx/Rx path or enable all antennas for diversity
1841 */
1842 if (tx_ant != rx_ant)
1843 return -EOPNOTSUPP;
1844
1845 if ((tx_ant & (tx_ant - 1)) &&
1846 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1847 return -EOPNOTSUPP;
1848
1849 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1850 (priv->adapter->number_of_antenna > 1)) {
1851 tx_ant = RF_ANTENNA_AUTO;
1852 rx_ant = RF_ANTENNA_AUTO;
1853 }
1854 } else {
1855 struct ieee80211_sta_ht_cap *ht_info;
1856 int rx_mcs_supp;
1857 enum nl80211_band band;
1858
1859 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1860 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1861 if (adapter->is_hw_11ac_capable)
1862 adapter->usr_dot_11ac_mcs_support =
1863 MWIFIEX_11AC_MCS_MAP_1X1;
1864 } else {
1865 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1866 if (adapter->is_hw_11ac_capable)
1867 adapter->usr_dot_11ac_mcs_support =
1868 MWIFIEX_11AC_MCS_MAP_2X2;
1869 }
1870
1871 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1872 if (!adapter->wiphy->bands[band])
1873 continue;
1874
1875 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1876 rx_mcs_supp =
1877 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1878 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1879 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1880 }
1881 }
1882
1883 ant_cfg.tx_ant = tx_ant;
1884 ant_cfg.rx_ant = rx_ant;
1885
1886 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1887 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1888 }
1889
1890 static int
1891 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1892 {
1893 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1894 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1895 MWIFIEX_BSS_ROLE_ANY);
1896 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1897 HostCmd_ACT_GEN_GET, 0, NULL, true);
1898
1899 *tx_ant = priv->tx_ant;
1900 *rx_ant = priv->rx_ant;
1901
1902 return 0;
1903 }
1904
1905 /* cfg80211 operation handler for stop ap.
1906 * Function stops BSS running at uAP interface.
1907 */
1908 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1909 {
1910 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1911
1912 mwifiex_abort_cac(priv);
1913
1914 if (mwifiex_del_mgmt_ies(priv))
1915 mwifiex_dbg(priv->adapter, ERROR,
1916 "Failed to delete mgmt IEs!\n");
1917
1918 priv->ap_11n_enabled = 0;
1919 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1920
1921 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1922 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1923 mwifiex_dbg(priv->adapter, ERROR,
1924 "Failed to stop the BSS\n");
1925 return -1;
1926 }
1927
1928 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
1929 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1930 mwifiex_dbg(priv->adapter, ERROR,
1931 "Failed to reset BSS\n");
1932 return -1;
1933 }
1934
1935 if (netif_carrier_ok(priv->netdev))
1936 netif_carrier_off(priv->netdev);
1937 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
1938
1939 return 0;
1940 }
1941
1942 /* cfg80211 operation handler for start_ap.
1943 * Function sets beacon period, DTIM period, SSID and security into
1944 * AP config structure.
1945 * AP is configured with these settings and BSS is started.
1946 */
1947 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1948 struct net_device *dev,
1949 struct cfg80211_ap_settings *params)
1950 {
1951 struct mwifiex_uap_bss_param *bss_cfg;
1952 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1953
1954 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1955 return -1;
1956
1957 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1958 if (!bss_cfg)
1959 return -ENOMEM;
1960
1961 mwifiex_set_sys_config_invalid_data(bss_cfg);
1962
1963 if (params->beacon_interval)
1964 bss_cfg->beacon_period = params->beacon_interval;
1965 if (params->dtim_period)
1966 bss_cfg->dtim_period = params->dtim_period;
1967
1968 if (params->ssid && params->ssid_len) {
1969 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1970 bss_cfg->ssid.ssid_len = params->ssid_len;
1971 }
1972 if (params->inactivity_timeout > 0) {
1973 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1974 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1975 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1976 }
1977
1978 switch (params->hidden_ssid) {
1979 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1980 bss_cfg->bcast_ssid_ctl = 1;
1981 break;
1982 case NL80211_HIDDEN_SSID_ZERO_LEN:
1983 bss_cfg->bcast_ssid_ctl = 0;
1984 break;
1985 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1986 bss_cfg->bcast_ssid_ctl = 2;
1987 break;
1988 default:
1989 kfree(bss_cfg);
1990 return -EINVAL;
1991 }
1992
1993 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
1994 mwifiex_set_uap_rates(bss_cfg, params);
1995
1996 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1997 mwifiex_dbg(priv->adapter, ERROR,
1998 "Failed to parse security parameters!\n");
1999 goto out;
2000 }
2001
2002 mwifiex_set_ht_params(priv, bss_cfg, params);
2003
2004 if (priv->adapter->is_hw_11ac_capable) {
2005 mwifiex_set_vht_params(priv, bss_cfg, params);
2006 mwifiex_set_vht_width(priv, params->chandef.width,
2007 priv->ap_11ac_enabled);
2008 }
2009
2010 if (priv->ap_11ac_enabled)
2011 mwifiex_set_11ac_ba_params(priv);
2012 else
2013 mwifiex_set_ba_params(priv);
2014
2015 mwifiex_set_wmm_params(priv, bss_cfg, params);
2016
2017 if (mwifiex_is_11h_active(priv))
2018 mwifiex_set_tpc_params(priv, bss_cfg, params);
2019
2020 if (mwifiex_is_11h_active(priv) &&
2021 !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
2022 priv->bss_mode)) {
2023 mwifiex_dbg(priv->adapter, INFO,
2024 "Disable 11h extensions in FW\n");
2025 if (mwifiex_11h_activate(priv, false)) {
2026 mwifiex_dbg(priv->adapter, ERROR,
2027 "Failed to disable 11h extensions!!");
2028 goto out;
2029 }
2030 priv->state_11h.is_11h_active = false;
2031 }
2032
2033 mwifiex_config_uap_11d(priv, &params->beacon);
2034
2035 if (mwifiex_config_start_uap(priv, bss_cfg)) {
2036 mwifiex_dbg(priv->adapter, ERROR,
2037 "Failed to start AP\n");
2038 goto out;
2039 }
2040
2041 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
2042 goto out;
2043
2044 if (!netif_carrier_ok(priv->netdev))
2045 netif_carrier_on(priv->netdev);
2046 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2047
2048 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2049 kfree(bss_cfg);
2050 return 0;
2051
2052 out:
2053 kfree(bss_cfg);
2054 return -1;
2055 }
2056
2057 /*
2058 * CFG802.11 operation handler for disconnection request.
2059 *
2060 * This function does not work when there is already a disconnection
2061 * procedure going on.
2062 */
2063 static int
2064 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2065 u16 reason_code)
2066 {
2067 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2068
2069 if (!mwifiex_stop_bg_scan(priv))
2070 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2071
2072 if (mwifiex_deauthenticate(priv, NULL))
2073 return -EFAULT;
2074
2075 eth_zero_addr(priv->cfg_bssid);
2076 priv->hs2_enabled = false;
2077
2078 return 0;
2079 }
2080
2081 /*
2082 * This function informs the CFG802.11 subsystem of a new IBSS.
2083 *
2084 * The following information are sent to the CFG802.11 subsystem
2085 * to register the new IBSS. If we do not register the new IBSS,
2086 * a kernel panic will result.
2087 * - SSID
2088 * - SSID length
2089 * - BSSID
2090 * - Channel
2091 */
2092 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2093 {
2094 struct ieee80211_channel *chan;
2095 struct mwifiex_bss_info bss_info;
2096 struct cfg80211_bss *bss;
2097 int ie_len;
2098 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2099 enum nl80211_band band;
2100
2101 if (mwifiex_get_bss_info(priv, &bss_info))
2102 return -1;
2103
2104 ie_buf[0] = WLAN_EID_SSID;
2105 ie_buf[1] = bss_info.ssid.ssid_len;
2106
2107 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2108 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2109 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2110
2111 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2112 chan = ieee80211_get_channel(priv->wdev.wiphy,
2113 ieee80211_channel_to_frequency(bss_info.bss_chan,
2114 band));
2115
2116 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2117 CFG80211_BSS_FTYPE_UNKNOWN,
2118 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2119 0, ie_buf, ie_len, 0, GFP_KERNEL);
2120 if (bss) {
2121 cfg80211_put_bss(priv->wdev.wiphy, bss);
2122 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2123 }
2124
2125 return 0;
2126 }
2127
2128 /*
2129 * This function connects with a BSS.
2130 *
2131 * This function handles both Infra and Ad-Hoc modes. It also performs
2132 * validity checking on the provided parameters, disconnects from the
2133 * current BSS (if any), sets up the association/scan parameters,
2134 * including security settings, and performs specific SSID scan before
2135 * trying to connect.
2136 *
2137 * For Infra mode, the function returns failure if the specified SSID
2138 * is not found in scan table. However, for Ad-Hoc mode, it can create
2139 * the IBSS if it does not exist. On successful completion in either case,
2140 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2141 */
2142 static int
2143 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2144 const u8 *ssid, const u8 *bssid, int mode,
2145 struct ieee80211_channel *channel,
2146 struct cfg80211_connect_params *sme, bool privacy)
2147 {
2148 struct cfg80211_ssid req_ssid;
2149 int ret, auth_type = 0;
2150 struct cfg80211_bss *bss = NULL;
2151 u8 is_scanning_required = 0;
2152
2153 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2154
2155 req_ssid.ssid_len = ssid_len;
2156 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2157 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2158 return -EINVAL;
2159 }
2160
2161 memcpy(req_ssid.ssid, ssid, ssid_len);
2162 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2163 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2164 return -EINVAL;
2165 }
2166
2167 /* As this is new association, clear locally stored
2168 * keys and security related flags */
2169 priv->sec_info.wpa_enabled = false;
2170 priv->sec_info.wpa2_enabled = false;
2171 priv->wep_key_curr_index = 0;
2172 priv->sec_info.encryption_mode = 0;
2173 priv->sec_info.is_authtype_auto = 0;
2174 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2175
2176 if (mode == NL80211_IFTYPE_ADHOC) {
2177 u16 enable = true;
2178
2179 /* set ibss coalescing_status */
2180 ret = mwifiex_send_cmd(
2181 priv,
2182 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2183 HostCmd_ACT_GEN_SET, 0, &enable, true);
2184 if (ret)
2185 return ret;
2186
2187 /* "privacy" is set only for ad-hoc mode */
2188 if (privacy) {
2189 /*
2190 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2191 * the firmware can find a matching network from the
2192 * scan. The cfg80211 does not give us the encryption
2193 * mode at this stage so just setting it to WEP here.
2194 */
2195 priv->sec_info.encryption_mode =
2196 WLAN_CIPHER_SUITE_WEP104;
2197 priv->sec_info.authentication_mode =
2198 NL80211_AUTHTYPE_OPEN_SYSTEM;
2199 }
2200
2201 goto done;
2202 }
2203
2204 /* Now handle infra mode. "sme" is valid for infra mode only */
2205 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2206 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2207 priv->sec_info.is_authtype_auto = 1;
2208 } else {
2209 auth_type = sme->auth_type;
2210 }
2211
2212 if (sme->crypto.n_ciphers_pairwise) {
2213 priv->sec_info.encryption_mode =
2214 sme->crypto.ciphers_pairwise[0];
2215 priv->sec_info.authentication_mode = auth_type;
2216 }
2217
2218 if (sme->crypto.cipher_group) {
2219 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2220 priv->sec_info.authentication_mode = auth_type;
2221 }
2222 if (sme->ie)
2223 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2224
2225 if (sme->key) {
2226 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2227 mwifiex_dbg(priv->adapter, INFO,
2228 "info: setting wep encryption\t"
2229 "with key len %d\n", sme->key_len);
2230 priv->wep_key_curr_index = sme->key_idx;
2231 ret = mwifiex_set_encode(priv, NULL, sme->key,
2232 sme->key_len, sme->key_idx,
2233 NULL, 0);
2234 }
2235 }
2236 done:
2237 /*
2238 * Scan entries are valid for some time (15 sec). So we can save one
2239 * active scan time if we just try cfg80211_get_bss first. If it fails
2240 * then request scan and cfg80211_get_bss() again for final output.
2241 */
2242 while (1) {
2243 if (is_scanning_required) {
2244 /* Do specific SSID scanning */
2245 if (mwifiex_request_scan(priv, &req_ssid)) {
2246 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2247 return -EFAULT;
2248 }
2249 }
2250
2251 /* Find the BSS we want using available scan results */
2252 if (mode == NL80211_IFTYPE_ADHOC)
2253 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2254 bssid, ssid, ssid_len,
2255 IEEE80211_BSS_TYPE_IBSS,
2256 IEEE80211_PRIVACY_ANY);
2257 else
2258 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2259 bssid, ssid, ssid_len,
2260 IEEE80211_BSS_TYPE_ESS,
2261 IEEE80211_PRIVACY_ANY);
2262
2263 if (!bss) {
2264 if (is_scanning_required) {
2265 mwifiex_dbg(priv->adapter, MSG,
2266 "assoc: requested bss not found in scan results\n");
2267 break;
2268 }
2269 is_scanning_required = 1;
2270 } else {
2271 mwifiex_dbg(priv->adapter, MSG,
2272 "info: trying to associate to '%.*s' bssid %pM\n",
2273 req_ssid.ssid_len, (char *)req_ssid.ssid,
2274 bss->bssid);
2275 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2276 break;
2277 }
2278 }
2279
2280 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2281 if (ret)
2282 return ret;
2283
2284 if (mode == NL80211_IFTYPE_ADHOC) {
2285 /* Inform the BSS information to kernel, otherwise
2286 * kernel will give a panic after successful assoc */
2287 if (mwifiex_cfg80211_inform_ibss_bss(priv))
2288 return -EFAULT;
2289 }
2290
2291 return ret;
2292 }
2293
2294 /*
2295 * CFG802.11 operation handler for association request.
2296 *
2297 * This function does not work when the current mode is set to Ad-Hoc, or
2298 * when there is already an association procedure going on. The given BSS
2299 * information is used to associate.
2300 */
2301 static int
2302 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2303 struct cfg80211_connect_params *sme)
2304 {
2305 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2306 struct mwifiex_adapter *adapter = priv->adapter;
2307 int ret;
2308
2309 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2310 mwifiex_dbg(adapter, ERROR,
2311 "%s: reject infra assoc request in non-STA role\n",
2312 dev->name);
2313 return -EINVAL;
2314 }
2315
2316 if (priv->wdev.current_bss) {
2317 mwifiex_dbg(adapter, ERROR,
2318 "%s: already connected\n", dev->name);
2319 return -EALREADY;
2320 }
2321
2322 if (priv->scan_block)
2323 priv->scan_block = false;
2324
2325 if (adapter->surprise_removed || adapter->is_cmd_timedout) {
2326 mwifiex_dbg(adapter, ERROR,
2327 "%s: Ignore connection.\t"
2328 "Card removed or FW in bad state\n",
2329 dev->name);
2330 return -EFAULT;
2331 }
2332
2333 mwifiex_dbg(adapter, INFO,
2334 "info: Trying to associate to %.*s and bssid %pM\n",
2335 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid);
2336
2337 if (!mwifiex_stop_bg_scan(priv))
2338 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2339
2340 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2341 priv->bss_mode, sme->channel, sme, 0);
2342 if (!ret) {
2343 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
2344 NULL, 0, WLAN_STATUS_SUCCESS,
2345 GFP_KERNEL);
2346 mwifiex_dbg(priv->adapter, MSG,
2347 "info: associated to bssid %pM successfully\n",
2348 priv->cfg_bssid);
2349 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2350 priv->adapter->auto_tdls &&
2351 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2352 mwifiex_setup_auto_tdls_timer(priv);
2353 } else {
2354 mwifiex_dbg(priv->adapter, ERROR,
2355 "info: association to bssid %pM failed\n",
2356 priv->cfg_bssid);
2357 eth_zero_addr(priv->cfg_bssid);
2358
2359 if (ret > 0)
2360 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2361 NULL, 0, NULL, 0, ret,
2362 GFP_KERNEL);
2363 else
2364 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2365 NULL, 0, NULL, 0,
2366 WLAN_STATUS_UNSPECIFIED_FAILURE,
2367 GFP_KERNEL);
2368 }
2369
2370 return 0;
2371 }
2372
2373 /*
2374 * This function sets following parameters for ibss network.
2375 * - channel
2376 * - start band
2377 * - 11n flag
2378 * - secondary channel offset
2379 */
2380 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2381 struct cfg80211_ibss_params *params)
2382 {
2383 struct mwifiex_adapter *adapter = priv->adapter;
2384 int index = 0, i;
2385 u8 config_bands = 0;
2386
2387 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2388 if (!params->basic_rates) {
2389 config_bands = BAND_B | BAND_G;
2390 } else {
2391 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2392 /*
2393 * Rates below 6 Mbps in the table are CCK
2394 * rates; 802.11b and from 6 they are OFDM;
2395 * 802.11G
2396 */
2397 if (mwifiex_rates[i].bitrate == 60) {
2398 index = 1 << i;
2399 break;
2400 }
2401 }
2402
2403 if (params->basic_rates < index) {
2404 config_bands = BAND_B;
2405 } else {
2406 config_bands = BAND_G;
2407 if (params->basic_rates % index)
2408 config_bands |= BAND_B;
2409 }
2410 }
2411
2412 if (cfg80211_get_chandef_type(&params->chandef) !=
2413 NL80211_CHAN_NO_HT)
2414 config_bands |= BAND_G | BAND_GN;
2415 } else {
2416 if (cfg80211_get_chandef_type(&params->chandef) ==
2417 NL80211_CHAN_NO_HT)
2418 config_bands = BAND_A;
2419 else
2420 config_bands = BAND_AN | BAND_A;
2421 }
2422
2423 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2424 adapter->config_bands = config_bands;
2425 adapter->adhoc_start_band = config_bands;
2426
2427 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2428 adapter->adhoc_11n_enabled = true;
2429 else
2430 adapter->adhoc_11n_enabled = false;
2431 }
2432
2433 adapter->sec_chan_offset =
2434 mwifiex_chan_type_to_sec_chan_offset(
2435 cfg80211_get_chandef_type(&params->chandef));
2436 priv->adhoc_channel = ieee80211_frequency_to_channel(
2437 params->chandef.chan->center_freq);
2438
2439 mwifiex_dbg(adapter, INFO,
2440 "info: set ibss band %d, chan %d, chan offset %d\n",
2441 config_bands, priv->adhoc_channel,
2442 adapter->sec_chan_offset);
2443
2444 return 0;
2445 }
2446
2447 /*
2448 * CFG802.11 operation handler to join an IBSS.
2449 *
2450 * This function does not work in any mode other than Ad-Hoc, or if
2451 * a join operation is already in progress.
2452 */
2453 static int
2454 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2455 struct cfg80211_ibss_params *params)
2456 {
2457 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2458 int ret = 0;
2459
2460 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2461 mwifiex_dbg(priv->adapter, ERROR,
2462 "request to join ibss received\t"
2463 "when station is not in ibss mode\n");
2464 goto done;
2465 }
2466
2467 mwifiex_dbg(priv->adapter, MSG,
2468 "info: trying to join to %.*s and bssid %pM\n",
2469 params->ssid_len, (char *)params->ssid, params->bssid);
2470
2471 mwifiex_set_ibss_params(priv, params);
2472
2473 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2474 params->bssid, priv->bss_mode,
2475 params->chandef.chan, NULL,
2476 params->privacy);
2477 done:
2478 if (!ret) {
2479 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2480 params->chandef.chan, GFP_KERNEL);
2481 mwifiex_dbg(priv->adapter, MSG,
2482 "info: joined/created adhoc network with bssid\t"
2483 "%pM successfully\n", priv->cfg_bssid);
2484 } else {
2485 mwifiex_dbg(priv->adapter, ERROR,
2486 "info: failed creating/joining adhoc network\n");
2487 }
2488
2489 return ret;
2490 }
2491
2492 /*
2493 * CFG802.11 operation handler to leave an IBSS.
2494 *
2495 * This function does not work if a leave operation is
2496 * already in progress.
2497 */
2498 static int
2499 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2500 {
2501 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2502
2503 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2504 priv->cfg_bssid);
2505 if (mwifiex_deauthenticate(priv, NULL))
2506 return -EFAULT;
2507
2508 eth_zero_addr(priv->cfg_bssid);
2509
2510 return 0;
2511 }
2512
2513 /*
2514 * CFG802.11 operation handler for scan request.
2515 *
2516 * This function issues a scan request to the firmware based upon
2517 * the user specified scan configuration. On successful completion,
2518 * it also informs the results.
2519 */
2520 static int
2521 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2522 struct cfg80211_scan_request *request)
2523 {
2524 struct net_device *dev = request->wdev->netdev;
2525 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2526 int i, offset, ret;
2527 struct ieee80211_channel *chan;
2528 struct ieee_types_header *ie;
2529 struct mwifiex_user_scan_cfg *user_scan_cfg;
2530 u8 mac_addr[ETH_ALEN];
2531
2532 mwifiex_dbg(priv->adapter, CMD,
2533 "info: received scan request on %s\n", dev->name);
2534
2535 /* Block scan request if scan operation or scan cleanup when interface
2536 * is disabled is in process
2537 */
2538 if (priv->scan_request || priv->scan_aborting) {
2539 mwifiex_dbg(priv->adapter, WARN,
2540 "cmd: Scan already in process..\n");
2541 return -EBUSY;
2542 }
2543
2544 if (!priv->wdev.current_bss && priv->scan_block)
2545 priv->scan_block = false;
2546
2547 if (!mwifiex_stop_bg_scan(priv))
2548 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2549
2550 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2551 if (!user_scan_cfg)
2552 return -ENOMEM;
2553
2554 priv->scan_request = request;
2555
2556 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2557 get_random_mask_addr(mac_addr, request->mac_addr,
2558 request->mac_addr_mask);
2559 ether_addr_copy(request->mac_addr, mac_addr);
2560 ether_addr_copy(user_scan_cfg->random_mac, mac_addr);
2561 }
2562
2563 user_scan_cfg->num_ssids = request->n_ssids;
2564 user_scan_cfg->ssid_list = request->ssids;
2565
2566 if (request->ie && request->ie_len) {
2567 offset = 0;
2568 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2569 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2570 continue;
2571 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2572 ie = (struct ieee_types_header *)(request->ie + offset);
2573 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2574 offset += sizeof(*ie) + ie->len;
2575
2576 if (offset >= request->ie_len)
2577 break;
2578 }
2579 }
2580
2581 for (i = 0; i < min_t(u32, request->n_channels,
2582 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2583 chan = request->channels[i];
2584 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2585 user_scan_cfg->chan_list[i].radio_type = chan->band;
2586
2587 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2588 user_scan_cfg->chan_list[i].scan_type =
2589 MWIFIEX_SCAN_TYPE_PASSIVE;
2590 else
2591 user_scan_cfg->chan_list[i].scan_type =
2592 MWIFIEX_SCAN_TYPE_ACTIVE;
2593
2594 user_scan_cfg->chan_list[i].scan_time = 0;
2595 }
2596
2597 if (priv->adapter->scan_chan_gap_enabled &&
2598 mwifiex_is_any_intf_active(priv))
2599 user_scan_cfg->scan_chan_gap =
2600 priv->adapter->scan_chan_gap_time;
2601
2602 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2603 kfree(user_scan_cfg);
2604 if (ret) {
2605 mwifiex_dbg(priv->adapter, ERROR,
2606 "scan failed: %d\n", ret);
2607 priv->scan_aborting = false;
2608 priv->scan_request = NULL;
2609 return ret;
2610 }
2611
2612 if (request->ie && request->ie_len) {
2613 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2614 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2615 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2616 memset(&priv->vs_ie[i].ie, 0,
2617 MWIFIEX_MAX_VSIE_LEN);
2618 }
2619 }
2620 }
2621 return 0;
2622 }
2623
2624 /* CFG802.11 operation handler for sched_scan_start.
2625 *
2626 * This function issues a bgscan config request to the firmware based upon
2627 * the user specified sched_scan configuration. On successful completion,
2628 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2629 * query command to get sched_scan results from firmware.
2630 */
2631 static int
2632 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2633 struct net_device *dev,
2634 struct cfg80211_sched_scan_request *request)
2635 {
2636 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2637 int i, offset;
2638 struct ieee80211_channel *chan;
2639 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2640 struct ieee_types_header *ie;
2641
2642 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2643 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2644 __func__);
2645 return -EINVAL;
2646 }
2647
2648 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2649 request->n_ssids, request->n_match_sets);
2650 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2651 request->n_channels, request->scan_plans->interval,
2652 (int)request->ie_len);
2653
2654 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2655 if (!bgscan_cfg)
2656 return -ENOMEM;
2657
2658 if (priv->scan_request || priv->scan_aborting)
2659 bgscan_cfg->start_later = true;
2660
2661 bgscan_cfg->num_ssids = request->n_match_sets;
2662 bgscan_cfg->ssid_list = request->match_sets;
2663
2664 if (request->ie && request->ie_len) {
2665 offset = 0;
2666 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2667 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2668 continue;
2669 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2670 ie = (struct ieee_types_header *)(request->ie + offset);
2671 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2672 offset += sizeof(*ie) + ie->len;
2673
2674 if (offset >= request->ie_len)
2675 break;
2676 }
2677 }
2678
2679 for (i = 0; i < min_t(u32, request->n_channels,
2680 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2681 chan = request->channels[i];
2682 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2683 bgscan_cfg->chan_list[i].radio_type = chan->band;
2684
2685 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2686 bgscan_cfg->chan_list[i].scan_type =
2687 MWIFIEX_SCAN_TYPE_PASSIVE;
2688 else
2689 bgscan_cfg->chan_list[i].scan_type =
2690 MWIFIEX_SCAN_TYPE_ACTIVE;
2691
2692 bgscan_cfg->chan_list[i].scan_time = 0;
2693 }
2694
2695 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2696 MWIFIEX_BG_SCAN_CHAN_MAX);
2697
2698 /* Use at least 15 second for per scan cycle */
2699 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2700 MWIFIEX_BGSCAN_INTERVAL) ?
2701 request->scan_plans->interval :
2702 MWIFIEX_BGSCAN_INTERVAL;
2703
2704 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2705 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2706 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2707 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2708 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2709 bgscan_cfg->enable = true;
2710 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2711 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2712 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2713 }
2714
2715 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2716 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2717 kfree(bgscan_cfg);
2718 return -EFAULT;
2719 }
2720
2721 priv->sched_scanning = true;
2722
2723 kfree(bgscan_cfg);
2724 return 0;
2725 }
2726
2727 /* CFG802.11 operation handler for sched_scan_stop.
2728 *
2729 * This function issues a bgscan config command to disable
2730 * previous bgscan configuration in the firmware
2731 */
2732 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2733 struct net_device *dev, u64 reqid)
2734 {
2735 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2736
2737 wiphy_info(wiphy, "sched scan stop!");
2738 mwifiex_stop_bg_scan(priv);
2739
2740 return 0;
2741 }
2742
2743 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2744 struct mwifiex_private *priv)
2745 {
2746 struct mwifiex_adapter *adapter = priv->adapter;
2747
2748 vht_info->vht_supported = true;
2749
2750 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2751 /* Update MCS support for VHT */
2752 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2753 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2754 vht_info->vht_mcs.rx_highest = 0;
2755 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2756 adapter->hw_dot_11ac_mcs_support >> 16);
2757 vht_info->vht_mcs.tx_highest = 0;
2758 }
2759
2760 /*
2761 * This function sets up the CFG802.11 specific HT capability fields
2762 * with default values.
2763 *
2764 * The following default values are set -
2765 * - HT Supported = True
2766 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2767 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2768 * - HT Capabilities supported by firmware
2769 * - MCS information, Rx mask = 0xff
2770 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2771 */
2772 static void
2773 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2774 struct mwifiex_private *priv)
2775 {
2776 int rx_mcs_supp;
2777 struct ieee80211_mcs_info mcs_set;
2778 u8 *mcs = (u8 *)&mcs_set;
2779 struct mwifiex_adapter *adapter = priv->adapter;
2780
2781 ht_info->ht_supported = true;
2782 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2783 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2784
2785 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2786
2787 /* Fill HT capability information */
2788 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2789 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2790 else
2791 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2792
2793 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2794 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2795 else
2796 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2797
2798 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2799 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2800 else
2801 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2802
2803 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2804 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2805 else
2806 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2807
2808 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2809 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2810 else
2811 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2812
2813 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2814 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2815 else
2816 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2817
2818 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2819 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2820 else
2821 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2822
2823 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2824 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2825 else
2826 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2827
2828 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2829 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2830
2831 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2832 /* Set MCS for 1x1/2x2 */
2833 memset(mcs, 0xff, rx_mcs_supp);
2834 /* Clear all the other values */
2835 memset(&mcs[rx_mcs_supp], 0,
2836 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2837 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2838 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2839 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2840 SETHT_MCS32(mcs_set.rx_mask);
2841
2842 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2843
2844 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2845 }
2846
2847 /*
2848 * create a new virtual interface with the given name and name assign type
2849 */
2850 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2851 const char *name,
2852 unsigned char name_assign_type,
2853 enum nl80211_iftype type,
2854 struct vif_params *params)
2855 {
2856 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2857 struct mwifiex_private *priv;
2858 struct net_device *dev;
2859 void *mdev_priv;
2860 int ret;
2861
2862 if (!adapter)
2863 return ERR_PTR(-EFAULT);
2864
2865 switch (type) {
2866 case NL80211_IFTYPE_UNSPECIFIED:
2867 case NL80211_IFTYPE_STATION:
2868 case NL80211_IFTYPE_ADHOC:
2869 if (adapter->curr_iface_comb.sta_intf ==
2870 adapter->iface_limit.sta_intf) {
2871 mwifiex_dbg(adapter, ERROR,
2872 "cannot create multiple sta/adhoc ifaces\n");
2873 return ERR_PTR(-EINVAL);
2874 }
2875
2876 priv = mwifiex_get_unused_priv_by_bss_type(
2877 adapter, MWIFIEX_BSS_TYPE_STA);
2878 if (!priv) {
2879 mwifiex_dbg(adapter, ERROR,
2880 "could not get free private struct\n");
2881 return ERR_PTR(-EFAULT);
2882 }
2883
2884 priv->wdev.wiphy = wiphy;
2885 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2886
2887 if (type == NL80211_IFTYPE_UNSPECIFIED)
2888 priv->bss_mode = NL80211_IFTYPE_STATION;
2889 else
2890 priv->bss_mode = type;
2891
2892 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2893 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2894 priv->bss_priority = 0;
2895 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2896
2897 break;
2898 case NL80211_IFTYPE_AP:
2899 if (adapter->curr_iface_comb.uap_intf ==
2900 adapter->iface_limit.uap_intf) {
2901 mwifiex_dbg(adapter, ERROR,
2902 "cannot create multiple AP ifaces\n");
2903 return ERR_PTR(-EINVAL);
2904 }
2905
2906 priv = mwifiex_get_unused_priv_by_bss_type(
2907 adapter, MWIFIEX_BSS_TYPE_UAP);
2908 if (!priv) {
2909 mwifiex_dbg(adapter, ERROR,
2910 "could not get free private struct\n");
2911 return ERR_PTR(-EFAULT);
2912 }
2913
2914 priv->wdev.wiphy = wiphy;
2915 priv->wdev.iftype = NL80211_IFTYPE_AP;
2916
2917 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2918 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2919 priv->bss_priority = 0;
2920 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2921 priv->bss_started = 0;
2922 priv->bss_mode = type;
2923
2924 break;
2925 case NL80211_IFTYPE_P2P_CLIENT:
2926 if (adapter->curr_iface_comb.p2p_intf ==
2927 adapter->iface_limit.p2p_intf) {
2928 mwifiex_dbg(adapter, ERROR,
2929 "cannot create multiple P2P ifaces\n");
2930 return ERR_PTR(-EINVAL);
2931 }
2932
2933 priv = mwifiex_get_unused_priv_by_bss_type(
2934 adapter, MWIFIEX_BSS_TYPE_P2P);
2935 if (!priv) {
2936 mwifiex_dbg(adapter, ERROR,
2937 "could not get free private struct\n");
2938 return ERR_PTR(-EFAULT);
2939 }
2940
2941 priv->wdev.wiphy = wiphy;
2942 /* At start-up, wpa_supplicant tries to change the interface
2943 * to NL80211_IFTYPE_STATION if it is not managed mode.
2944 */
2945 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2946 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2947
2948 /* Setting bss_type to P2P tells firmware that this interface
2949 * is receiving P2P peers found during find phase and doing
2950 * action frame handshake.
2951 */
2952 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2953
2954 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2955 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2956 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2957 priv->bss_started = 0;
2958
2959 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2960 memset(&priv->wdev, 0, sizeof(priv->wdev));
2961 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2962 return ERR_PTR(-EFAULT);
2963 }
2964
2965 break;
2966 default:
2967 mwifiex_dbg(adapter, ERROR, "type not supported\n");
2968 return ERR_PTR(-EINVAL);
2969 }
2970
2971 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2972 name_assign_type, ether_setup,
2973 IEEE80211_NUM_ACS, 1);
2974 if (!dev) {
2975 mwifiex_dbg(adapter, ERROR,
2976 "no memory available for netdevice\n");
2977 ret = -ENOMEM;
2978 goto err_alloc_netdev;
2979 }
2980
2981 mwifiex_init_priv_params(priv, dev);
2982
2983 priv->netdev = dev;
2984
2985 if (!adapter->mfg_mode) {
2986 mwifiex_set_mac_address(priv, dev, false, NULL);
2987
2988 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
2989 HostCmd_ACT_GEN_SET, 0, NULL, true);
2990 if (ret)
2991 goto err_set_bss_mode;
2992
2993 ret = mwifiex_sta_init_cmd(priv, false, false);
2994 if (ret)
2995 goto err_sta_init;
2996 }
2997
2998 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
2999 if (adapter->is_hw_11ac_capable)
3000 mwifiex_setup_vht_caps(
3001 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
3002
3003 if (adapter->config_bands & BAND_A)
3004 mwifiex_setup_ht_caps(
3005 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
3006
3007 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
3008 mwifiex_setup_vht_caps(
3009 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
3010
3011 dev_net_set(dev, wiphy_net(wiphy));
3012 dev->ieee80211_ptr = &priv->wdev;
3013 dev->ieee80211_ptr->iftype = priv->bss_mode;
3014 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
3015
3016 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
3017 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
3018 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
3019 dev->ethtool_ops = &mwifiex_ethtool_ops;
3020
3021 mdev_priv = netdev_priv(dev);
3022 *((unsigned long *) mdev_priv) = (unsigned long) priv;
3023
3024 SET_NETDEV_DEV(dev, adapter->dev);
3025
3026 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3027 WQ_HIGHPRI |
3028 WQ_MEM_RECLAIM |
3029 WQ_UNBOUND, 1, name);
3030 if (!priv->dfs_cac_workqueue) {
3031 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n");
3032 ret = -ENOMEM;
3033 goto err_alloc_cac;
3034 }
3035
3036 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3037
3038 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3039 WQ_HIGHPRI | WQ_UNBOUND |
3040 WQ_MEM_RECLAIM, 1, name);
3041 if (!priv->dfs_chan_sw_workqueue) {
3042 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n");
3043 ret = -ENOMEM;
3044 goto err_alloc_chsw;
3045 }
3046
3047 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3048 mwifiex_dfs_chan_sw_work_queue);
3049
3050 mutex_init(&priv->async_mutex);
3051
3052 /* Register network device */
3053 if (register_netdevice(dev)) {
3054 mwifiex_dbg(adapter, ERROR, "cannot register network device\n");
3055 ret = -EFAULT;
3056 goto err_reg_netdev;
3057 }
3058
3059 mwifiex_dbg(adapter, INFO,
3060 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3061
3062 #ifdef CONFIG_DEBUG_FS
3063 mwifiex_dev_debugfs_init(priv);
3064 #endif
3065
3066 switch (type) {
3067 case NL80211_IFTYPE_UNSPECIFIED:
3068 case NL80211_IFTYPE_STATION:
3069 case NL80211_IFTYPE_ADHOC:
3070 adapter->curr_iface_comb.sta_intf++;
3071 break;
3072 case NL80211_IFTYPE_AP:
3073 adapter->curr_iface_comb.uap_intf++;
3074 break;
3075 case NL80211_IFTYPE_P2P_CLIENT:
3076 adapter->curr_iface_comb.p2p_intf++;
3077 break;
3078 default:
3079 /* This should be dead code; checked above */
3080 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3081 return ERR_PTR(-EINVAL);
3082 }
3083
3084 return &priv->wdev;
3085
3086 err_reg_netdev:
3087 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3088 priv->dfs_chan_sw_workqueue = NULL;
3089 err_alloc_chsw:
3090 destroy_workqueue(priv->dfs_cac_workqueue);
3091 priv->dfs_cac_workqueue = NULL;
3092 err_alloc_cac:
3093 free_netdev(dev);
3094 priv->netdev = NULL;
3095 err_sta_init:
3096 err_set_bss_mode:
3097 err_alloc_netdev:
3098 memset(&priv->wdev, 0, sizeof(priv->wdev));
3099 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3100 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3101 return ERR_PTR(ret);
3102 }
3103 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3104
3105 /*
3106 * del_virtual_intf: remove the virtual interface determined by dev
3107 */
3108 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3109 {
3110 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3111 struct mwifiex_adapter *adapter = priv->adapter;
3112 struct sk_buff *skb, *tmp;
3113
3114 #ifdef CONFIG_DEBUG_FS
3115 mwifiex_dev_debugfs_remove(priv);
3116 #endif
3117
3118 if (priv->sched_scanning)
3119 priv->sched_scanning = false;
3120
3121 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3122
3123 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3124 skb_unlink(skb, &priv->bypass_txq);
3125 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3126 }
3127
3128 if (netif_carrier_ok(priv->netdev))
3129 netif_carrier_off(priv->netdev);
3130
3131 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3132 unregister_netdevice(wdev->netdev);
3133
3134 if (priv->dfs_cac_workqueue) {
3135 flush_workqueue(priv->dfs_cac_workqueue);
3136 destroy_workqueue(priv->dfs_cac_workqueue);
3137 priv->dfs_cac_workqueue = NULL;
3138 }
3139
3140 if (priv->dfs_chan_sw_workqueue) {
3141 flush_workqueue(priv->dfs_chan_sw_workqueue);
3142 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3143 priv->dfs_chan_sw_workqueue = NULL;
3144 }
3145 /* Clear the priv in adapter */
3146 priv->netdev = NULL;
3147
3148 switch (priv->bss_mode) {
3149 case NL80211_IFTYPE_UNSPECIFIED:
3150 case NL80211_IFTYPE_STATION:
3151 case NL80211_IFTYPE_ADHOC:
3152 adapter->curr_iface_comb.sta_intf--;
3153 break;
3154 case NL80211_IFTYPE_AP:
3155 adapter->curr_iface_comb.uap_intf--;
3156 break;
3157 case NL80211_IFTYPE_P2P_CLIENT:
3158 case NL80211_IFTYPE_P2P_GO:
3159 adapter->curr_iface_comb.p2p_intf--;
3160 break;
3161 default:
3162 mwifiex_dbg(adapter, ERROR,
3163 "del_virtual_intf: type not supported\n");
3164 break;
3165 }
3166
3167 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3168
3169 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3170 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3171 kfree(priv->hist_data);
3172
3173 return 0;
3174 }
3175 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3176
3177 static bool
3178 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3179 u8 max_byte_seq)
3180 {
3181 int j, k, valid_byte_cnt = 0;
3182 bool dont_care_byte = false;
3183
3184 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3185 for (k = 0; k < 8; k++) {
3186 if (pat->mask[j] & 1 << k) {
3187 memcpy(byte_seq + valid_byte_cnt,
3188 &pat->pattern[j * 8 + k], 1);
3189 valid_byte_cnt++;
3190 if (dont_care_byte)
3191 return false;
3192 } else {
3193 if (valid_byte_cnt)
3194 dont_care_byte = true;
3195 }
3196
3197 /* wildcard bytes record as the offset
3198 * before the valid byte
3199 */
3200 if (!valid_byte_cnt && !dont_care_byte)
3201 pat->pkt_offset++;
3202
3203 if (valid_byte_cnt > max_byte_seq)
3204 return false;
3205 }
3206 }
3207
3208 byte_seq[max_byte_seq] = valid_byte_cnt;
3209
3210 return true;
3211 }
3212
3213 #ifdef CONFIG_PM
3214 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3215 struct mwifiex_mef_entry *mef_entry)
3216 {
3217 int i, filt_num = 0, num_ipv4 = 0;
3218 struct in_device *in_dev;
3219 struct in_ifaddr *ifa;
3220 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3221 struct mwifiex_adapter *adapter = priv->adapter;
3222
3223 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3224 mef_entry->action = MEF_ACTION_AUTO_ARP;
3225
3226 /* Enable ARP offload feature */
3227 memset(ips, 0, sizeof(ips));
3228 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3229 if (adapter->priv[i]->netdev) {
3230 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3231 if (!in_dev)
3232 continue;
3233 ifa = in_dev->ifa_list;
3234 if (!ifa || !ifa->ifa_local)
3235 continue;
3236 ips[i] = ifa->ifa_local;
3237 num_ipv4++;
3238 }
3239 }
3240
3241 for (i = 0; i < num_ipv4; i++) {
3242 if (!ips[i])
3243 continue;
3244 mef_entry->filter[filt_num].repeat = 1;
3245 memcpy(mef_entry->filter[filt_num].byte_seq,
3246 (u8 *)&ips[i], sizeof(ips[i]));
3247 mef_entry->filter[filt_num].
3248 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3249 sizeof(ips[i]);
3250 mef_entry->filter[filt_num].offset = 46;
3251 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3252 if (filt_num) {
3253 mef_entry->filter[filt_num].filt_action =
3254 TYPE_OR;
3255 }
3256 filt_num++;
3257 }
3258
3259 mef_entry->filter[filt_num].repeat = 1;
3260 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3261 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3262 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3263 mef_entry->filter[filt_num].offset = 20;
3264 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3265 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3266 }
3267
3268 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3269 struct mwifiex_ds_mef_cfg *mef_cfg,
3270 struct mwifiex_mef_entry *mef_entry,
3271 struct cfg80211_wowlan *wowlan)
3272 {
3273 int i, filt_num = 0, ret = 0;
3274 bool first_pat = true;
3275 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3276 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3277 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3278
3279 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3280 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3281
3282 for (i = 0; i < wowlan->n_patterns; i++) {
3283 memset(byte_seq, 0, sizeof(byte_seq));
3284 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3285 byte_seq,
3286 MWIFIEX_MEF_MAX_BYTESEQ)) {
3287 mwifiex_dbg(priv->adapter, ERROR,
3288 "Pattern not supported\n");
3289 return -EOPNOTSUPP;
3290 }
3291
3292 if (!wowlan->patterns[i].pkt_offset) {
3293 if (!(byte_seq[0] & 0x01) &&
3294 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3295 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3296 continue;
3297 } else if (is_broadcast_ether_addr(byte_seq)) {
3298 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3299 continue;
3300 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3301 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3302 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3303 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3304 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3305 continue;
3306 }
3307 }
3308 mef_entry->filter[filt_num].repeat = 1;
3309 mef_entry->filter[filt_num].offset =
3310 wowlan->patterns[i].pkt_offset;
3311 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3312 sizeof(byte_seq));
3313 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3314
3315 if (first_pat) {
3316 first_pat = false;
3317 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3318 } else {
3319 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3320 }
3321
3322 filt_num++;
3323 }
3324
3325 if (wowlan->magic_pkt) {
3326 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3327 mef_entry->filter[filt_num].repeat = 16;
3328 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3329 ETH_ALEN);
3330 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3331 ETH_ALEN;
3332 mef_entry->filter[filt_num].offset = 28;
3333 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3334 if (filt_num)
3335 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3336
3337 filt_num++;
3338 mef_entry->filter[filt_num].repeat = 16;
3339 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3340 ETH_ALEN);
3341 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3342 ETH_ALEN;
3343 mef_entry->filter[filt_num].offset = 56;
3344 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3345 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3346 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3347 }
3348 return ret;
3349 }
3350
3351 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3352 struct cfg80211_wowlan *wowlan)
3353 {
3354 int ret = 0, num_entries = 1;
3355 struct mwifiex_ds_mef_cfg mef_cfg;
3356 struct mwifiex_mef_entry *mef_entry;
3357
3358 if (wowlan->n_patterns || wowlan->magic_pkt)
3359 num_entries++;
3360
3361 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3362 if (!mef_entry)
3363 return -ENOMEM;
3364
3365 memset(&mef_cfg, 0, sizeof(mef_cfg));
3366 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3367 MWIFIEX_CRITERIA_UNICAST;
3368 mef_cfg.num_entries = num_entries;
3369 mef_cfg.mef_entry = mef_entry;
3370
3371 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3372
3373 if (wowlan->n_patterns || wowlan->magic_pkt) {
3374 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3375 &mef_entry[1], wowlan);
3376 if (ret)
3377 goto err;
3378 }
3379
3380 if (!mef_cfg.criteria)
3381 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3382 MWIFIEX_CRITERIA_UNICAST |
3383 MWIFIEX_CRITERIA_MULTICAST;
3384
3385 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3386 HostCmd_ACT_GEN_SET, 0,
3387 &mef_cfg, true);
3388
3389 err:
3390 kfree(mef_entry);
3391 return ret;
3392 }
3393
3394 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3395 struct cfg80211_wowlan *wowlan)
3396 {
3397 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3398 struct mwifiex_ds_hs_cfg hs_cfg;
3399 int i, ret = 0, retry_num = 10;
3400 struct mwifiex_private *priv;
3401 struct mwifiex_private *sta_priv =
3402 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3403
3404 sta_priv->scan_aborting = true;
3405 for (i = 0; i < adapter->priv_num; i++) {
3406 priv = adapter->priv[i];
3407 mwifiex_abort_cac(priv);
3408 }
3409
3410 mwifiex_cancel_all_pending_cmd(adapter);
3411
3412 for (i = 0; i < adapter->priv_num; i++) {
3413 priv = adapter->priv[i];
3414 if (priv && priv->netdev)
3415 netif_device_detach(priv->netdev);
3416 }
3417
3418 for (i = 0; i < retry_num; i++) {
3419 if (!mwifiex_wmm_lists_empty(adapter) ||
3420 !mwifiex_bypass_txlist_empty(adapter) ||
3421 !skb_queue_empty(&adapter->tx_data_q))
3422 usleep_range(10000, 15000);
3423 else
3424 break;
3425 }
3426
3427 if (!wowlan) {
3428 mwifiex_dbg(adapter, ERROR,
3429 "None of the WOWLAN triggers enabled\n");
3430 ret = 0;
3431 goto done;
3432 }
3433
3434 if (!sta_priv->media_connected && !wowlan->nd_config) {
3435 mwifiex_dbg(adapter, ERROR,
3436 "Can not configure WOWLAN in disconnected state\n");
3437 ret = 0;
3438 goto done;
3439 }
3440
3441 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3442 if (ret) {
3443 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3444 goto done;
3445 }
3446
3447 memset(&hs_cfg, 0, sizeof(hs_cfg));
3448 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3449
3450 if (wowlan->nd_config) {
3451 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3452 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3453 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3454 wowlan->nd_config);
3455 }
3456
3457 if (wowlan->disconnect) {
3458 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3459 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3460 }
3461
3462 hs_cfg.is_invoke_hostcmd = false;
3463 hs_cfg.gpio = adapter->hs_cfg.gpio;
3464 hs_cfg.gap = adapter->hs_cfg.gap;
3465 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3466 MWIFIEX_SYNC_CMD, &hs_cfg);
3467 if (ret)
3468 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3469
3470 done:
3471 sta_priv->scan_aborting = false;
3472 return ret;
3473 }
3474
3475 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3476 {
3477 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3478 struct mwifiex_private *priv;
3479 struct mwifiex_ds_wakeup_reason wakeup_reason;
3480 struct cfg80211_wowlan_wakeup wakeup_report;
3481 int i;
3482 bool report_wakeup_reason = true;
3483
3484 for (i = 0; i < adapter->priv_num; i++) {
3485 priv = adapter->priv[i];
3486 if (priv && priv->netdev)
3487 netif_device_attach(priv->netdev);
3488 }
3489
3490 if (!wiphy->wowlan_config)
3491 goto done;
3492
3493 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3494 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3495 &wakeup_reason);
3496 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3497
3498 wakeup_report.pattern_idx = -1;
3499
3500 switch (wakeup_reason.hs_wakeup_reason) {
3501 case NO_HSWAKEUP_REASON:
3502 break;
3503 case BCAST_DATA_MATCHED:
3504 break;
3505 case MCAST_DATA_MATCHED:
3506 break;
3507 case UCAST_DATA_MATCHED:
3508 break;
3509 case MASKTABLE_EVENT_MATCHED:
3510 break;
3511 case NON_MASKABLE_EVENT_MATCHED:
3512 if (wiphy->wowlan_config->disconnect)
3513 wakeup_report.disconnect = true;
3514 if (wiphy->wowlan_config->nd_config)
3515 wakeup_report.net_detect = adapter->nd_info;
3516 break;
3517 case NON_MASKABLE_CONDITION_MATCHED:
3518 break;
3519 case MAGIC_PATTERN_MATCHED:
3520 if (wiphy->wowlan_config->magic_pkt)
3521 wakeup_report.magic_pkt = true;
3522 if (wiphy->wowlan_config->n_patterns)
3523 wakeup_report.pattern_idx = 1;
3524 break;
3525 case GTK_REKEY_FAILURE:
3526 if (wiphy->wowlan_config->gtk_rekey_failure)
3527 wakeup_report.gtk_rekey_failure = true;
3528 break;
3529 default:
3530 report_wakeup_reason = false;
3531 break;
3532 }
3533
3534 if (report_wakeup_reason)
3535 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3536 GFP_KERNEL);
3537
3538 done:
3539 if (adapter->nd_info) {
3540 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3541 kfree(adapter->nd_info->matches[i]);
3542 kfree(adapter->nd_info);
3543 adapter->nd_info = NULL;
3544 }
3545
3546 return 0;
3547 }
3548
3549 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3550 bool enabled)
3551 {
3552 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3553
3554 device_set_wakeup_enable(adapter->dev, enabled);
3555 }
3556
3557 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3558 struct cfg80211_gtk_rekey_data *data)
3559 {
3560 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3561
3562 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
3563 return -EOPNOTSUPP;
3564
3565 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3566 HostCmd_ACT_GEN_SET, 0, data, true);
3567 }
3568
3569 #endif
3570
3571 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3572 {
3573 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3574 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3575 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3576
3577 if ((byte_seq[0] & 0x01) &&
3578 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3579 return PACKET_TYPE_UNICAST;
3580 else if (!memcmp(byte_seq, bc_mac, 4))
3581 return PACKET_TYPE_BROADCAST;
3582 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3583 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3584 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3585 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3586 return PACKET_TYPE_MULTICAST;
3587
3588 return 0;
3589 }
3590
3591 static int
3592 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3593 struct cfg80211_coalesce_rules *crule,
3594 struct mwifiex_coalesce_rule *mrule)
3595 {
3596 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3597 struct filt_field_param *param;
3598 int i;
3599
3600 mrule->max_coalescing_delay = crule->delay;
3601
3602 param = mrule->params;
3603
3604 for (i = 0; i < crule->n_patterns; i++) {
3605 memset(byte_seq, 0, sizeof(byte_seq));
3606 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3607 byte_seq,
3608 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3609 mwifiex_dbg(priv->adapter, ERROR,
3610 "Pattern not supported\n");
3611 return -EOPNOTSUPP;
3612 }
3613
3614 if (!crule->patterns[i].pkt_offset) {
3615 u8 pkt_type;
3616
3617 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3618 if (pkt_type && mrule->pkt_type) {
3619 mwifiex_dbg(priv->adapter, ERROR,
3620 "Multiple packet types not allowed\n");
3621 return -EOPNOTSUPP;
3622 } else if (pkt_type) {
3623 mrule->pkt_type = pkt_type;
3624 continue;
3625 }
3626 }
3627
3628 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3629 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3630 else
3631 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3632
3633 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3634 memcpy(param->operand_byte_stream, byte_seq,
3635 param->operand_len);
3636 param->offset = crule->patterns[i].pkt_offset;
3637 param++;
3638
3639 mrule->num_of_fields++;
3640 }
3641
3642 if (!mrule->pkt_type) {
3643 mwifiex_dbg(priv->adapter, ERROR,
3644 "Packet type can not be determined\n");
3645 return -EOPNOTSUPP;
3646 }
3647
3648 return 0;
3649 }
3650
3651 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3652 struct cfg80211_coalesce *coalesce)
3653 {
3654 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3655 int i, ret;
3656 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3657 struct mwifiex_private *priv =
3658 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3659
3660 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3661 if (!coalesce) {
3662 mwifiex_dbg(adapter, WARN,
3663 "Disable coalesce and reset all previous rules\n");
3664 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3665 HostCmd_ACT_GEN_SET, 0,
3666 &coalesce_cfg, true);
3667 }
3668
3669 coalesce_cfg.num_of_rules = coalesce->n_rules;
3670 for (i = 0; i < coalesce->n_rules; i++) {
3671 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3672 &coalesce_cfg.rule[i]);
3673 if (ret) {
3674 mwifiex_dbg(adapter, ERROR,
3675 "Recheck the patterns provided for rule %d\n",
3676 i + 1);
3677 return ret;
3678 }
3679 }
3680
3681 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3682 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3683 }
3684
3685 /* cfg80211 ops handler for tdls_mgmt.
3686 * Function prepares TDLS action frame packets and forwards them to FW
3687 */
3688 static int
3689 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3690 const u8 *peer, u8 action_code, u8 dialog_token,
3691 u16 status_code, u32 peer_capability,
3692 bool initiator, const u8 *extra_ies,
3693 size_t extra_ies_len)
3694 {
3695 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3696 int ret;
3697
3698 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3699 return -ENOTSUPP;
3700
3701 /* make sure we are in station mode and connected */
3702 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3703 return -ENOTSUPP;
3704
3705 switch (action_code) {
3706 case WLAN_TDLS_SETUP_REQUEST:
3707 mwifiex_dbg(priv->adapter, MSG,
3708 "Send TDLS Setup Request to %pM status_code=%d\n",
3709 peer, status_code);
3710 mwifiex_add_auto_tdls_peer(priv, peer);
3711 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3712 dialog_token, status_code,
3713 extra_ies, extra_ies_len);
3714 break;
3715 case WLAN_TDLS_SETUP_RESPONSE:
3716 mwifiex_add_auto_tdls_peer(priv, peer);
3717 mwifiex_dbg(priv->adapter, MSG,
3718 "Send TDLS Setup Response to %pM status_code=%d\n",
3719 peer, status_code);
3720 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3721 dialog_token, status_code,
3722 extra_ies, extra_ies_len);
3723 break;
3724 case WLAN_TDLS_SETUP_CONFIRM:
3725 mwifiex_dbg(priv->adapter, MSG,
3726 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3727 status_code);
3728 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3729 dialog_token, status_code,
3730 extra_ies, extra_ies_len);
3731 break;
3732 case WLAN_TDLS_TEARDOWN:
3733 mwifiex_dbg(priv->adapter, MSG,
3734 "Send TDLS Tear down to %pM\n", peer);
3735 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3736 dialog_token, status_code,
3737 extra_ies, extra_ies_len);
3738 break;
3739 case WLAN_TDLS_DISCOVERY_REQUEST:
3740 mwifiex_dbg(priv->adapter, MSG,
3741 "Send TDLS Discovery Request to %pM\n", peer);
3742 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3743 dialog_token, status_code,
3744 extra_ies, extra_ies_len);
3745 break;
3746 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3747 mwifiex_dbg(priv->adapter, MSG,
3748 "Send TDLS Discovery Response to %pM\n", peer);
3749 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3750 dialog_token, status_code,
3751 extra_ies, extra_ies_len);
3752 break;
3753 default:
3754 mwifiex_dbg(priv->adapter, ERROR,
3755 "Unknown TDLS mgmt/action frame %pM\n", peer);
3756 ret = -EINVAL;
3757 break;
3758 }
3759
3760 return ret;
3761 }
3762
3763 static int
3764 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3765 const u8 *peer, enum nl80211_tdls_operation action)
3766 {
3767 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3768
3769 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3770 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3771 return -ENOTSUPP;
3772
3773 /* make sure we are in station mode and connected */
3774 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3775 return -ENOTSUPP;
3776
3777 mwifiex_dbg(priv->adapter, MSG,
3778 "TDLS peer=%pM, oper=%d\n", peer, action);
3779
3780 switch (action) {
3781 case NL80211_TDLS_ENABLE_LINK:
3782 action = MWIFIEX_TDLS_ENABLE_LINK;
3783 break;
3784 case NL80211_TDLS_DISABLE_LINK:
3785 action = MWIFIEX_TDLS_DISABLE_LINK;
3786 break;
3787 case NL80211_TDLS_TEARDOWN:
3788 /* shouldn't happen!*/
3789 mwifiex_dbg(priv->adapter, ERROR,
3790 "tdls_oper: teardown from driver not supported\n");
3791 return -EINVAL;
3792 case NL80211_TDLS_SETUP:
3793 /* shouldn't happen!*/
3794 mwifiex_dbg(priv->adapter, ERROR,
3795 "tdls_oper: setup from driver not supported\n");
3796 return -EINVAL;
3797 case NL80211_TDLS_DISCOVERY_REQ:
3798 /* shouldn't happen!*/
3799 mwifiex_dbg(priv->adapter, ERROR,
3800 "tdls_oper: discovery from driver not supported\n");
3801 return -EINVAL;
3802 default:
3803 mwifiex_dbg(priv->adapter, ERROR,
3804 "tdls_oper: operation not supported\n");
3805 return -ENOTSUPP;
3806 }
3807
3808 return mwifiex_tdls_oper(priv, peer, action);
3809 }
3810
3811 static int
3812 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3813 const u8 *addr, u8 oper_class,
3814 struct cfg80211_chan_def *chandef)
3815 {
3816 struct mwifiex_sta_node *sta_ptr;
3817 unsigned long flags;
3818 u16 chan;
3819 u8 second_chan_offset, band;
3820 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3821
3822 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3823 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3824 if (!sta_ptr) {
3825 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3826 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3827 __func__, addr);
3828 return -ENOENT;
3829 }
3830
3831 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3832 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3833 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3834 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3835 return -ENOENT;
3836 }
3837
3838 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3839 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3840 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3841 wiphy_err(wiphy, "channel switch is running, abort request\n");
3842 return -EALREADY;
3843 }
3844 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3845
3846 chan = chandef->chan->hw_value;
3847 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3848 band = chandef->chan->band;
3849 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3850
3851 return 0;
3852 }
3853
3854 static void
3855 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3856 struct net_device *dev,
3857 const u8 *addr)
3858 {
3859 struct mwifiex_sta_node *sta_ptr;
3860 unsigned long flags;
3861 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3862
3863 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3864 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3865 if (!sta_ptr) {
3866 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3867 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3868 __func__, addr);
3869 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3870 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3871 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3872 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3873 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3874 addr);
3875 } else {
3876 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3877 mwifiex_stop_tdls_cs(priv, addr);
3878 }
3879 }
3880
3881 static int
3882 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3883 const u8 *mac, struct station_parameters *params)
3884 {
3885 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3886
3887 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3888 return -ENOTSUPP;
3889
3890 /* make sure we are in station mode and connected */
3891 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3892 return -ENOTSUPP;
3893
3894 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3895 }
3896
3897 static int
3898 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3899 struct cfg80211_csa_settings *params)
3900 {
3901 struct ieee_types_header *chsw_ie;
3902 struct ieee80211_channel_sw_ie *channel_sw;
3903 int chsw_msec;
3904 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3905
3906 if (priv->adapter->scan_processing) {
3907 mwifiex_dbg(priv->adapter, ERROR,
3908 "radar detection: scan in process...\n");
3909 return -EBUSY;
3910 }
3911
3912 if (priv->wdev.cac_started)
3913 return -EBUSY;
3914
3915 if (cfg80211_chandef_identical(&params->chandef,
3916 &priv->dfs_chandef))
3917 return -EINVAL;
3918
3919 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3920 params->beacon_csa.tail,
3921 params->beacon_csa.tail_len);
3922 if (!chsw_ie) {
3923 mwifiex_dbg(priv->adapter, ERROR,
3924 "Could not parse channel switch announcement IE\n");
3925 return -EINVAL;
3926 }
3927
3928 channel_sw = (void *)(chsw_ie + 1);
3929 if (channel_sw->mode) {
3930 if (netif_carrier_ok(priv->netdev))
3931 netif_carrier_off(priv->netdev);
3932 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3933 }
3934
3935 if (mwifiex_del_mgmt_ies(priv))
3936 mwifiex_dbg(priv->adapter, ERROR,
3937 "Failed to delete mgmt IEs!\n");
3938
3939 if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
3940 mwifiex_dbg(priv->adapter, ERROR,
3941 "%s: setting mgmt ies failed\n", __func__);
3942 return -EFAULT;
3943 }
3944
3945 memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
3946 memcpy(&priv->beacon_after, &params->beacon_after,
3947 sizeof(priv->beacon_after));
3948
3949 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
3950 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
3951 msecs_to_jiffies(chsw_msec));
3952 return 0;
3953 }
3954
3955 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
3956 struct wireless_dev *wdev,
3957 struct cfg80211_chan_def *chandef)
3958 {
3959 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3960 struct mwifiex_bssdescriptor *curr_bss;
3961 struct ieee80211_channel *chan;
3962 enum nl80211_channel_type chan_type;
3963 enum nl80211_band band;
3964 int freq;
3965 int ret = -ENODATA;
3966
3967 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
3968 cfg80211_chandef_valid(&priv->bss_chandef)) {
3969 *chandef = priv->bss_chandef;
3970 ret = 0;
3971 } else if (priv->media_connected) {
3972 curr_bss = &priv->curr_bss_params.bss_descriptor;
3973 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
3974 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
3975 chan = ieee80211_get_channel(wiphy, freq);
3976
3977 if (priv->ht_param_present) {
3978 chan_type = mwifiex_get_chan_type(priv);
3979 cfg80211_chandef_create(chandef, chan, chan_type);
3980 } else {
3981 cfg80211_chandef_create(chandef, chan,
3982 NL80211_CHAN_NO_HT);
3983 }
3984 ret = 0;
3985 }
3986
3987 return ret;
3988 }
3989
3990 #ifdef CONFIG_NL80211_TESTMODE
3991
3992 enum mwifiex_tm_attr {
3993 __MWIFIEX_TM_ATTR_INVALID = 0,
3994 MWIFIEX_TM_ATTR_CMD = 1,
3995 MWIFIEX_TM_ATTR_DATA = 2,
3996
3997 /* keep last */
3998 __MWIFIEX_TM_ATTR_AFTER_LAST,
3999 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
4000 };
4001
4002 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
4003 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
4004 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
4005 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
4006 };
4007
4008 enum mwifiex_tm_command {
4009 MWIFIEX_TM_CMD_HOSTCMD = 0,
4010 };
4011
4012 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
4013 void *data, int len)
4014 {
4015 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4016 struct mwifiex_ds_misc_cmd *hostcmd;
4017 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
4018 struct sk_buff *skb;
4019 int err;
4020
4021 if (!priv)
4022 return -EINVAL;
4023
4024 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy,
4025 NULL);
4026 if (err)
4027 return err;
4028
4029 if (!tb[MWIFIEX_TM_ATTR_CMD])
4030 return -EINVAL;
4031
4032 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4033 case MWIFIEX_TM_CMD_HOSTCMD:
4034 if (!tb[MWIFIEX_TM_ATTR_DATA])
4035 return -EINVAL;
4036
4037 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4038 if (!hostcmd)
4039 return -ENOMEM;
4040
4041 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4042 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4043 hostcmd->len);
4044
4045 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4046 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4047 return -EFAULT;
4048 }
4049
4050 /* process hostcmd response*/
4051 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4052 if (!skb)
4053 return -ENOMEM;
4054 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4055 hostcmd->len, hostcmd->cmd);
4056 if (err) {
4057 kfree_skb(skb);
4058 return -EMSGSIZE;
4059 }
4060
4061 err = cfg80211_testmode_reply(skb);
4062 kfree(hostcmd);
4063 return err;
4064 default:
4065 return -EOPNOTSUPP;
4066 }
4067 }
4068 #endif
4069
4070 static int
4071 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4072 struct net_device *dev,
4073 struct cfg80211_chan_def *chandef,
4074 u32 cac_time_ms)
4075 {
4076 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4077 struct mwifiex_radar_params radar_params;
4078
4079 if (priv->adapter->scan_processing) {
4080 mwifiex_dbg(priv->adapter, ERROR,
4081 "radar detection: scan already in process...\n");
4082 return -EBUSY;
4083 }
4084
4085 if (!mwifiex_is_11h_active(priv)) {
4086 mwifiex_dbg(priv->adapter, INFO,
4087 "Enable 11h extensions in FW\n");
4088 if (mwifiex_11h_activate(priv, true)) {
4089 mwifiex_dbg(priv->adapter, ERROR,
4090 "Failed to activate 11h extensions!!");
4091 return -1;
4092 }
4093 priv->state_11h.is_11h_active = true;
4094 }
4095
4096 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4097 radar_params.chandef = chandef;
4098 radar_params.cac_time_ms = cac_time_ms;
4099
4100 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4101
4102 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4103 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4104 return -1;
4105
4106 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4107 msecs_to_jiffies(cac_time_ms));
4108 return 0;
4109 }
4110
4111 static int
4112 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4113 const u8 *mac,
4114 struct station_parameters *params)
4115 {
4116 int ret;
4117 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4118
4119 /* we support change_station handler only for TDLS peers*/
4120 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4121 return -ENOTSUPP;
4122
4123 /* make sure we are in station mode and connected */
4124 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4125 return -ENOTSUPP;
4126
4127 priv->sta_params = params;
4128
4129 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4130 priv->sta_params = NULL;
4131
4132 return ret;
4133 }
4134
4135 /* station cfg80211 operations */
4136 static struct cfg80211_ops mwifiex_cfg80211_ops = {
4137 .add_virtual_intf = mwifiex_add_virtual_intf,
4138 .del_virtual_intf = mwifiex_del_virtual_intf,
4139 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4140 .scan = mwifiex_cfg80211_scan,
4141 .connect = mwifiex_cfg80211_connect,
4142 .disconnect = mwifiex_cfg80211_disconnect,
4143 .get_station = mwifiex_cfg80211_get_station,
4144 .dump_station = mwifiex_cfg80211_dump_station,
4145 .dump_survey = mwifiex_cfg80211_dump_survey,
4146 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4147 .join_ibss = mwifiex_cfg80211_join_ibss,
4148 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4149 .add_key = mwifiex_cfg80211_add_key,
4150 .del_key = mwifiex_cfg80211_del_key,
4151 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4152 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4153 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
4154 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4155 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4156 .set_default_key = mwifiex_cfg80211_set_default_key,
4157 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4158 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4159 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4160 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4161 .start_ap = mwifiex_cfg80211_start_ap,
4162 .stop_ap = mwifiex_cfg80211_stop_ap,
4163 .change_beacon = mwifiex_cfg80211_change_beacon,
4164 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4165 .set_antenna = mwifiex_cfg80211_set_antenna,
4166 .get_antenna = mwifiex_cfg80211_get_antenna,
4167 .del_station = mwifiex_cfg80211_del_station,
4168 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4169 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4170 #ifdef CONFIG_PM
4171 .suspend = mwifiex_cfg80211_suspend,
4172 .resume = mwifiex_cfg80211_resume,
4173 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4174 .set_rekey_data = mwifiex_set_rekey_data,
4175 #endif
4176 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4177 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4178 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4179 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4180 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4181 .add_station = mwifiex_cfg80211_add_station,
4182 .change_station = mwifiex_cfg80211_change_station,
4183 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4184 .get_channel = mwifiex_cfg80211_get_channel,
4185 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4186 .channel_switch = mwifiex_cfg80211_channel_switch,
4187 };
4188
4189 #ifdef CONFIG_PM
4190 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4191 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4192 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4193 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4194 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4195 .pattern_min_len = 1,
4196 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4197 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4198 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4199 };
4200
4201 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = {
4202 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4203 WIPHY_WOWLAN_NET_DETECT,
4204 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4205 .pattern_min_len = 1,
4206 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4207 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4208 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4209 };
4210 #endif
4211
4212 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4213 {
4214 if (!alpha2 || strlen(alpha2) != 2)
4215 return false;
4216
4217 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4218 return true;
4219
4220 return false;
4221 }
4222
4223 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4224 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4225 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4226 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4227 .pattern_min_len = 1,
4228 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4229 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4230 };
4231
4232 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4233 {
4234 u32 n_channels_bg, n_channels_a = 0;
4235
4236 n_channels_bg = mwifiex_band_2ghz.n_channels;
4237
4238 if (adapter->config_bands & BAND_A)
4239 n_channels_a = mwifiex_band_5ghz.n_channels;
4240
4241 /* allocate twice the number total channels, since the driver issues an
4242 * additional active scan request for hidden SSIDs on passive channels.
4243 */
4244 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a);
4245 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats),
4246 adapter->num_in_chan_stats));
4247
4248 if (!adapter->chan_stats)
4249 return -ENOMEM;
4250
4251 return 0;
4252 }
4253
4254 /*
4255 * This function registers the device with CFG802.11 subsystem.
4256 *
4257 * The function creates the wireless device/wiphy, populates it with
4258 * default parameters and handler function pointers, and finally
4259 * registers the device.
4260 */
4261
4262 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4263 {
4264 int ret;
4265 void *wdev_priv;
4266 struct wiphy *wiphy;
4267 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4268 u8 *country_code;
4269 u32 thr, retry;
4270
4271 /* create a new wiphy for use with cfg80211 */
4272 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4273 sizeof(struct mwifiex_adapter *));
4274 if (!wiphy) {
4275 mwifiex_dbg(adapter, ERROR,
4276 "%s: creating new wiphy\n", __func__);
4277 return -ENOMEM;
4278 }
4279 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4280 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4281 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4282 wiphy->max_remain_on_channel_duration = 5000;
4283 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4284 BIT(NL80211_IFTYPE_ADHOC) |
4285 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4286 BIT(NL80211_IFTYPE_P2P_GO) |
4287 BIT(NL80211_IFTYPE_AP);
4288
4289 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
4290 if (adapter->config_bands & BAND_A)
4291 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
4292 else
4293 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4294
4295 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4296 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4297 else if (adapter->is_hw_11ac_capable)
4298 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4299 else
4300 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4301 wiphy->n_iface_combinations = 1;
4302
4303 /* Initialize cipher suits */
4304 wiphy->cipher_suites = mwifiex_cipher_suites;
4305 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4306
4307 if (adapter->regd) {
4308 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4309 REGULATORY_DISABLE_BEACON_HINTS |
4310 REGULATORY_COUNTRY_IE_IGNORE;
4311 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4312 }
4313
4314 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4315 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4316 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4317 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4318 WIPHY_FLAG_AP_UAPSD |
4319 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4320 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4321 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4322
4323 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4324 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4325 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4326
4327 #ifdef CONFIG_PM
4328 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
4329 wiphy->wowlan = &mwifiex_wowlan_support;
4330 else
4331 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk;
4332 #endif
4333
4334 wiphy->coalesce = &mwifiex_coalesce_support;
4335
4336 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4337 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4338 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4339
4340 wiphy->max_sched_scan_reqs = 1;
4341 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4342 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4343 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4344
4345 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4346 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4347
4348 wiphy->features |= NL80211_FEATURE_HT_IBSS |
4349 NL80211_FEATURE_INACTIVITY_TIMER |
4350 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4351 NL80211_FEATURE_NEED_OBSS_SCAN;
4352
4353 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info))
4354 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4355 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4356 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4357
4358 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4359 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4360
4361 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4362 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4363
4364 /* Reserve space for mwifiex specific private data for BSS */
4365 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4366
4367 wiphy->reg_notifier = mwifiex_reg_notifier;
4368
4369 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4370 wdev_priv = wiphy_priv(wiphy);
4371 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4372
4373 set_wiphy_dev(wiphy, priv->adapter->dev);
4374
4375 ret = wiphy_register(wiphy);
4376 if (ret < 0) {
4377 mwifiex_dbg(adapter, ERROR,
4378 "%s: wiphy_register failed: %d\n", __func__, ret);
4379 wiphy_free(wiphy);
4380 return ret;
4381 }
4382
4383 if (!adapter->regd) {
4384 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4385 mwifiex_dbg(adapter, INFO,
4386 "driver hint alpha2: %2.2s\n", reg_alpha2);
4387 regulatory_hint(wiphy, reg_alpha2);
4388 } else {
4389 if (adapter->region_code == 0x00) {
4390 mwifiex_dbg(adapter, WARN,
4391 "Ignore world regulatory domain\n");
4392 } else {
4393 wiphy->regulatory_flags |=
4394 REGULATORY_DISABLE_BEACON_HINTS |
4395 REGULATORY_COUNTRY_IE_IGNORE;
4396 country_code =
4397 mwifiex_11d_code_2_region(
4398 adapter->region_code);
4399 if (country_code &&
4400 regulatory_hint(wiphy, country_code))
4401 mwifiex_dbg(priv->adapter, ERROR,
4402 "regulatory_hint() failed\n");
4403 }
4404 }
4405 }
4406
4407 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4408 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4409 wiphy->frag_threshold = thr;
4410 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4411 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4412 wiphy->rts_threshold = thr;
4413 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4414 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4415 wiphy->retry_short = (u8) retry;
4416 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4417 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4418 wiphy->retry_long = (u8) retry;
4419
4420 adapter->wiphy = wiphy;
4421 return ret;
4422 }
Linux with added FPC-III support