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gpio: rcar: Fix runtime PM imbalance on error
[linux/fpc-iii.git] / drivers / net / wireless / marvell / mwifiex / cfg80211.c
blob1566d2197906bf99832ddc77623c05aa9243fca1
1 /*
2 * NXP Wireless LAN device driver: CFG80211
3 *
4 * Copyright 2011-2020 NXP
5 *
6 * This software file (the "File") is distributed by NXP
7 * 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 switch (type) {
380 case NL80211_TX_POWER_FIXED:
381 power_cfg.is_power_auto = 0;
382 power_cfg.is_power_fixed = 1;
383 power_cfg.power_level = dbm;
384 break;
385 case NL80211_TX_POWER_LIMITED:
386 power_cfg.is_power_auto = 0;
387 power_cfg.is_power_fixed = 0;
388 power_cfg.power_level = dbm;
389 break;
390 case NL80211_TX_POWER_AUTOMATIC:
391 power_cfg.is_power_auto = 1;
392 break;
393 }
394
395 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
396
397 return mwifiex_set_tx_power(priv, &power_cfg);
398 }
399
400 /*
401 * CFG802.11 operation handler to get Tx power.
402 */
403 static int
404 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
405 struct wireless_dev *wdev,
406 int *dbm)
407 {
408 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
409 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
410 MWIFIEX_BSS_ROLE_ANY);
411 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
412 HostCmd_ACT_GEN_GET, 0, NULL, true);
413
414 if (ret < 0)
415 return ret;
416
417 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
418 *dbm = priv->tx_power_level;
419
420 return 0;
421 }
422
423 /*
424 * CFG802.11 operation handler to set Power Save option.
425 *
426 * The timeout value, if provided, is currently ignored.
427 */
428 static int
429 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
430 struct net_device *dev,
431 bool enabled, int timeout)
432 {
433 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
434 u32 ps_mode;
435
436 if (timeout)
437 mwifiex_dbg(priv->adapter, INFO,
438 "info: ignore timeout value for IEEE Power Save\n");
439
440 ps_mode = enabled;
441
442 return mwifiex_drv_set_power(priv, &ps_mode);
443 }
444
445 /*
446 * CFG802.11 operation handler to set the default network key.
447 */
448 static int
449 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
450 u8 key_index, bool unicast,
451 bool multicast)
452 {
453 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
454
455 /* Return if WEP key not configured */
456 if (!priv->sec_info.wep_enabled)
457 return 0;
458
459 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
460 priv->wep_key_curr_index = key_index;
461 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
462 NULL, 0)) {
463 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
464 return -EFAULT;
465 }
466
467 return 0;
468 }
469
470 /*
471 * CFG802.11 operation handler to add a network key.
472 */
473 static int
474 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
475 u8 key_index, bool pairwise, const u8 *mac_addr,
476 struct key_params *params)
477 {
478 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
479 struct mwifiex_wep_key *wep_key;
480 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
481 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
482
483 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
484 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
485 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
486 if (params->key && params->key_len) {
487 wep_key = &priv->wep_key[key_index];
488 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
489 memcpy(wep_key->key_material, params->key,
490 params->key_len);
491 wep_key->key_index = key_index;
492 wep_key->key_length = params->key_len;
493 priv->sec_info.wep_enabled = 1;
494 }
495 return 0;
496 }
497
498 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
499 key_index, peer_mac, 0)) {
500 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
501 return -EFAULT;
502 }
503
504 return 0;
505 }
506
507 /*
508 * CFG802.11 operation handler to set default mgmt key.
509 */
510 static int
511 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
512 struct net_device *netdev,
513 u8 key_index)
514 {
515 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
516 struct mwifiex_ds_encrypt_key encrypt_key;
517
518 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);
519
520 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
521 encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
522 encrypt_key.key_index = key_index;
523 encrypt_key.is_igtk_def_key = true;
524 eth_broadcast_addr(encrypt_key.mac_addr);
525
526 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
527 HostCmd_ACT_GEN_SET, true, &encrypt_key, true);
528 }
529
530 /*
531 * This function sends domain information to the firmware.
532 *
533 * The following information are passed to the firmware -
534 * - Country codes
535 * - Sub bands (first channel, number of channels, maximum Tx power)
536 */
537 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
538 {
539 u8 no_of_triplet = 0;
540 struct ieee80211_country_ie_triplet *t;
541 u8 no_of_parsed_chan = 0;
542 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
543 u8 i, flag = 0;
544 enum nl80211_band band;
545 struct ieee80211_supported_band *sband;
546 struct ieee80211_channel *ch;
547 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
548 struct mwifiex_private *priv;
549 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
550
551 /* Set country code */
552 domain_info->country_code[0] = adapter->country_code[0];
553 domain_info->country_code[1] = adapter->country_code[1];
554 domain_info->country_code[2] = ' ';
555
556 band = mwifiex_band_to_radio_type(adapter->config_bands);
557 if (!wiphy->bands[band]) {
558 mwifiex_dbg(adapter, ERROR,
559 "11D: setting domain info in FW\n");
560 return -1;
561 }
562
563 sband = wiphy->bands[band];
564
565 for (i = 0; i < sband->n_channels ; i++) {
566 ch = &sband->channels[i];
567 if (ch->flags & IEEE80211_CHAN_DISABLED)
568 continue;
569
570 if (!flag) {
571 flag = 1;
572 first_chan = (u32) ch->hw_value;
573 next_chan = first_chan;
574 max_pwr = ch->max_power;
575 no_of_parsed_chan = 1;
576 continue;
577 }
578
579 if (ch->hw_value == next_chan + 1 &&
580 ch->max_power == max_pwr) {
581 next_chan++;
582 no_of_parsed_chan++;
583 } else {
584 t = &domain_info->triplet[no_of_triplet];
585 t->chans.first_channel = first_chan;
586 t->chans.num_channels = no_of_parsed_chan;
587 t->chans.max_power = max_pwr;
588 no_of_triplet++;
589 first_chan = (u32) ch->hw_value;
590 next_chan = first_chan;
591 max_pwr = ch->max_power;
592 no_of_parsed_chan = 1;
593 }
594 }
595
596 if (flag) {
597 t = &domain_info->triplet[no_of_triplet];
598 t->chans.first_channel = first_chan;
599 t->chans.num_channels = no_of_parsed_chan;
600 t->chans.max_power = max_pwr;
601 no_of_triplet++;
602 }
603
604 domain_info->no_of_triplet = no_of_triplet;
605
606 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
607
608 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
609 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
610 mwifiex_dbg(adapter, INFO,
611 "11D: setting domain info in FW\n");
612 return -1;
613 }
614
615 return 0;
616 }
617
618 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
619 {
620 struct ieee80211_supported_band *sband;
621 struct ieee80211_channel *chan;
622 unsigned int i;
623
624 if (!wiphy->bands[NL80211_BAND_5GHZ])
625 return;
626 sband = wiphy->bands[NL80211_BAND_5GHZ];
627
628 for (i = 0; i < sband->n_channels; i++) {
629 chan = &sband->channels[i];
630 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
631 (chan->flags & IEEE80211_CHAN_RADAR))
632 chan->flags |= IEEE80211_CHAN_NO_IR;
633 }
634 }
635
636 /*
637 * CFG802.11 regulatory domain callback function.
638 *
639 * This function is called when the regulatory domain is changed due to the
640 * following reasons -
641 * - Set by driver
642 * - Set by system core
643 * - Set by user
644 * - Set bt Country IE
645 */
646 static void mwifiex_reg_notifier(struct wiphy *wiphy,
647 struct regulatory_request *request)
648 {
649 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
650 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
651 MWIFIEX_BSS_ROLE_ANY);
652 mwifiex_dbg(adapter, INFO,
653 "info: cfg80211 regulatory domain callback for %c%c\n",
654 request->alpha2[0], request->alpha2[1]);
655 mwifiex_reg_apply_radar_flags(wiphy);
656
657 switch (request->initiator) {
658 case NL80211_REGDOM_SET_BY_DRIVER:
659 case NL80211_REGDOM_SET_BY_CORE:
660 case NL80211_REGDOM_SET_BY_USER:
661 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
662 break;
663 default:
664 mwifiex_dbg(adapter, ERROR,
665 "unknown regdom initiator: %d\n",
666 request->initiator);
667 return;
668 }
669
670 /* Don't send world or same regdom info to firmware */
671 if (strncmp(request->alpha2, "00", 2) &&
672 strncmp(request->alpha2, adapter->country_code,
673 sizeof(request->alpha2))) {
674 memcpy(adapter->country_code, request->alpha2,
675 sizeof(request->alpha2));
676 mwifiex_send_domain_info_cmd_fw(wiphy);
677 mwifiex_dnld_txpwr_table(priv);
678 }
679 }
680
681 /*
682 * This function sets the fragmentation threshold.
683 *
684 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
685 * and MWIFIEX_FRAG_MAX_VALUE.
686 */
687 static int
688 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
689 {
690 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
691 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
692 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
693
694 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
695 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
696 &frag_thr, true);
697 }
698
699 /*
700 * This function sets the RTS threshold.
701
702 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
703 * and MWIFIEX_RTS_MAX_VALUE.
704 */
705 static int
706 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
707 {
708 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
709 rts_thr = MWIFIEX_RTS_MAX_VALUE;
710
711 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
712 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
713 &rts_thr, true);
714 }
715
716 /*
717 * CFG802.11 operation handler to set wiphy parameters.
718 *
719 * This function can be used to set the RTS threshold and the
720 * Fragmentation threshold of the driver.
721 */
722 static int
723 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
724 {
725 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
726 struct mwifiex_private *priv;
727 struct mwifiex_uap_bss_param *bss_cfg;
728 int ret;
729
730 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
731
732 switch (priv->bss_role) {
733 case MWIFIEX_BSS_ROLE_UAP:
734 if (priv->bss_started) {
735 mwifiex_dbg(adapter, ERROR,
736 "cannot change wiphy params when bss started");
737 return -EINVAL;
738 }
739
740 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
741 if (!bss_cfg)
742 return -ENOMEM;
743
744 mwifiex_set_sys_config_invalid_data(bss_cfg);
745
746 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
747 bss_cfg->rts_threshold = wiphy->rts_threshold;
748 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
749 bss_cfg->frag_threshold = wiphy->frag_threshold;
750 if (changed & WIPHY_PARAM_RETRY_LONG)
751 bss_cfg->retry_limit = wiphy->retry_long;
752
753 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
754 HostCmd_ACT_GEN_SET,
755 UAP_BSS_PARAMS_I, bss_cfg,
756 false);
757
758 kfree(bss_cfg);
759 if (ret) {
760 mwifiex_dbg(adapter, ERROR,
761 "Failed to set wiphy phy params\n");
762 return ret;
763 }
764 break;
765
766 case MWIFIEX_BSS_ROLE_STA:
767 if (priv->media_connected) {
768 mwifiex_dbg(adapter, ERROR,
769 "cannot change wiphy params when connected");
770 return -EINVAL;
771 }
772 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
773 ret = mwifiex_set_rts(priv,
774 wiphy->rts_threshold);
775 if (ret)
776 return ret;
777 }
778 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
779 ret = mwifiex_set_frag(priv,
780 wiphy->frag_threshold);
781 if (ret)
782 return ret;
783 }
784 break;
785 }
786
787 return 0;
788 }
789
790 static int
791 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
792 {
793 u16 mode = P2P_MODE_DISABLE;
794
795 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
796 HostCmd_ACT_GEN_SET, 0, &mode, true))
797 return -1;
798
799 return 0;
800 }
801
802 /*
803 * This function initializes the functionalities for P2P client.
804 * The P2P client initialization sequence is:
805 * disable -> device -> client
806 */
807 static int
808 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
809 {
810 u16 mode;
811
812 if (mwifiex_cfg80211_deinit_p2p(priv))
813 return -1;
814
815 mode = P2P_MODE_DEVICE;
816 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
817 HostCmd_ACT_GEN_SET, 0, &mode, true))
818 return -1;
819
820 mode = P2P_MODE_CLIENT;
821 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
822 HostCmd_ACT_GEN_SET, 0, &mode, true))
823 return -1;
824
825 return 0;
826 }
827
828 /*
829 * This function initializes the functionalities for P2P GO.
830 * The P2P GO initialization sequence is:
831 * disable -> device -> GO
832 */
833 static int
834 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
835 {
836 u16 mode;
837
838 if (mwifiex_cfg80211_deinit_p2p(priv))
839 return -1;
840
841 mode = P2P_MODE_DEVICE;
842 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
843 HostCmd_ACT_GEN_SET, 0, &mode, true))
844 return -1;
845
846 mode = P2P_MODE_GO;
847 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
848 HostCmd_ACT_GEN_SET, 0, &mode, true))
849 return -1;
850
851 return 0;
852 }
853
854 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
855 {
856 struct mwifiex_adapter *adapter = priv->adapter;
857 unsigned long flags;
858
859 priv->mgmt_frame_mask = 0;
860 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
861 HostCmd_ACT_GEN_SET, 0,
862 &priv->mgmt_frame_mask, false)) {
863 mwifiex_dbg(adapter, ERROR,
864 "could not unregister mgmt frame rx\n");
865 return -1;
866 }
867
868 mwifiex_deauthenticate(priv, NULL);
869
870 spin_lock_irqsave(&adapter->main_proc_lock, flags);
871 adapter->main_locked = true;
872 if (adapter->mwifiex_processing) {
873 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
874 flush_workqueue(adapter->workqueue);
875 } else {
876 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
877 }
878
879 spin_lock_bh(&adapter->rx_proc_lock);
880 adapter->rx_locked = true;
881 if (adapter->rx_processing) {
882 spin_unlock_bh(&adapter->rx_proc_lock);
883 flush_workqueue(adapter->rx_workqueue);
884 } else {
885 spin_unlock_bh(&adapter->rx_proc_lock);
886 }
887
888 mwifiex_free_priv(priv);
889 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
890 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
891 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
892
893 return 0;
894 }
895
896 static int
897 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
898 struct net_device *dev,
899 enum nl80211_iftype type)
900 {
901 struct mwifiex_adapter *adapter = priv->adapter;
902 unsigned long flags;
903
904 mwifiex_init_priv(priv);
905
906 priv->bss_mode = type;
907 priv->wdev.iftype = type;
908
909 mwifiex_init_priv_params(priv, priv->netdev);
910 priv->bss_started = 0;
911
912 switch (type) {
913 case NL80211_IFTYPE_STATION:
914 case NL80211_IFTYPE_ADHOC:
915 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
916 break;
917 case NL80211_IFTYPE_P2P_CLIENT:
918 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
919 break;
920 case NL80211_IFTYPE_P2P_GO:
921 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
922 break;
923 case NL80211_IFTYPE_AP:
924 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
925 break;
926 default:
927 mwifiex_dbg(adapter, ERROR,
928 "%s: changing to %d not supported\n",
929 dev->name, type);
930 return -EOPNOTSUPP;
931 }
932
933 spin_lock_irqsave(&adapter->main_proc_lock, flags);
934 adapter->main_locked = false;
935 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
936
937 spin_lock_bh(&adapter->rx_proc_lock);
938 adapter->rx_locked = false;
939 spin_unlock_bh(&adapter->rx_proc_lock);
940
941 mwifiex_set_mac_address(priv, dev, false, NULL);
942
943 return 0;
944 }
945
946 static int
947 mwifiex_change_vif_to_p2p(struct net_device *dev,
948 enum nl80211_iftype curr_iftype,
949 enum nl80211_iftype type,
950 struct vif_params *params)
951 {
952 struct mwifiex_private *priv;
953 struct mwifiex_adapter *adapter;
954
955 priv = mwifiex_netdev_get_priv(dev);
956
957 if (!priv)
958 return -1;
959
960 adapter = priv->adapter;
961
962 if (adapter->curr_iface_comb.p2p_intf ==
963 adapter->iface_limit.p2p_intf) {
964 mwifiex_dbg(adapter, ERROR,
965 "cannot create multiple P2P ifaces\n");
966 return -1;
967 }
968
969 mwifiex_dbg(adapter, INFO,
970 "%s: changing role to p2p\n", dev->name);
971
972 if (mwifiex_deinit_priv_params(priv))
973 return -1;
974 if (mwifiex_init_new_priv_params(priv, dev, type))
975 return -1;
976
977 switch (type) {
978 case NL80211_IFTYPE_P2P_CLIENT:
979 if (mwifiex_cfg80211_init_p2p_client(priv))
980 return -EFAULT;
981 break;
982 case NL80211_IFTYPE_P2P_GO:
983 if (mwifiex_cfg80211_init_p2p_go(priv))
984 return -EFAULT;
985 break;
986 default:
987 mwifiex_dbg(adapter, ERROR,
988 "%s: changing to %d not supported\n",
989 dev->name, type);
990 return -EOPNOTSUPP;
991 }
992
993 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
994 HostCmd_ACT_GEN_SET, 0, NULL, true))
995 return -1;
996
997 if (mwifiex_sta_init_cmd(priv, false, false))
998 return -1;
999
1000 switch (curr_iftype) {
1001 case NL80211_IFTYPE_STATION:
1002 case NL80211_IFTYPE_ADHOC:
1003 adapter->curr_iface_comb.sta_intf--;
1004 break;
1005 case NL80211_IFTYPE_AP:
1006 adapter->curr_iface_comb.uap_intf--;
1007 break;
1008 default:
1009 break;
1010 }
1011
1012 adapter->curr_iface_comb.p2p_intf++;
1013 dev->ieee80211_ptr->iftype = type;
1014
1015 return 0;
1016 }
1017
1018 static int
1019 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
1020 enum nl80211_iftype curr_iftype,
1021 enum nl80211_iftype type,
1022 struct vif_params *params)
1023 {
1024 struct mwifiex_private *priv;
1025 struct mwifiex_adapter *adapter;
1026
1027 priv = mwifiex_netdev_get_priv(dev);
1028
1029 if (!priv)
1030 return -1;
1031
1032 adapter = priv->adapter;
1033
1034 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
1035 curr_iftype != NL80211_IFTYPE_P2P_GO) &&
1036 (adapter->curr_iface_comb.sta_intf ==
1037 adapter->iface_limit.sta_intf)) {
1038 mwifiex_dbg(adapter, ERROR,
1039 "cannot create multiple station/adhoc ifaces\n");
1040 return -1;
1041 }
1042
1043 if (type == NL80211_IFTYPE_STATION)
1044 mwifiex_dbg(adapter, INFO,
1045 "%s: changing role to station\n", dev->name);
1046 else
1047 mwifiex_dbg(adapter, INFO,
1048 "%s: changing role to adhoc\n", dev->name);
1049
1050 if (mwifiex_deinit_priv_params(priv))
1051 return -1;
1052 if (mwifiex_init_new_priv_params(priv, dev, type))
1053 return -1;
1054 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1055 HostCmd_ACT_GEN_SET, 0, NULL, true))
1056 return -1;
1057 if (mwifiex_sta_init_cmd(priv, false, false))
1058 return -1;
1059
1060 switch (curr_iftype) {
1061 case NL80211_IFTYPE_P2P_CLIENT:
1062 case NL80211_IFTYPE_P2P_GO:
1063 adapter->curr_iface_comb.p2p_intf--;
1064 break;
1065 case NL80211_IFTYPE_AP:
1066 adapter->curr_iface_comb.uap_intf--;
1067 break;
1068 default:
1069 break;
1070 }
1071
1072 adapter->curr_iface_comb.sta_intf++;
1073 dev->ieee80211_ptr->iftype = type;
1074 return 0;
1075 }
1076
1077 static int
1078 mwifiex_change_vif_to_ap(struct net_device *dev,
1079 enum nl80211_iftype curr_iftype,
1080 enum nl80211_iftype type,
1081 struct vif_params *params)
1082 {
1083 struct mwifiex_private *priv;
1084 struct mwifiex_adapter *adapter;
1085
1086 priv = mwifiex_netdev_get_priv(dev);
1087
1088 if (!priv)
1089 return -1;
1090
1091 adapter = priv->adapter;
1092
1093 if (adapter->curr_iface_comb.uap_intf ==
1094 adapter->iface_limit.uap_intf) {
1095 mwifiex_dbg(adapter, ERROR,
1096 "cannot create multiple AP ifaces\n");
1097 return -1;
1098 }
1099
1100 mwifiex_dbg(adapter, INFO,
1101 "%s: changing role to AP\n", dev->name);
1102
1103 if (mwifiex_deinit_priv_params(priv))
1104 return -1;
1105 if (mwifiex_init_new_priv_params(priv, dev, type))
1106 return -1;
1107 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1108 HostCmd_ACT_GEN_SET, 0, NULL, true))
1109 return -1;
1110 if (mwifiex_sta_init_cmd(priv, false, false))
1111 return -1;
1112
1113 switch (curr_iftype) {
1114 case NL80211_IFTYPE_P2P_CLIENT:
1115 case NL80211_IFTYPE_P2P_GO:
1116 adapter->curr_iface_comb.p2p_intf--;
1117 break;
1118 case NL80211_IFTYPE_STATION:
1119 case NL80211_IFTYPE_ADHOC:
1120 adapter->curr_iface_comb.sta_intf--;
1121 break;
1122 default:
1123 break;
1124 }
1125
1126 adapter->curr_iface_comb.uap_intf++;
1127 dev->ieee80211_ptr->iftype = type;
1128 return 0;
1129 }
1130 /*
1131 * CFG802.11 operation handler to change interface type.
1132 */
1133 static int
1134 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1135 struct net_device *dev,
1136 enum nl80211_iftype type,
1137 struct vif_params *params)
1138 {
1139 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1140 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1141
1142 if (priv->scan_request) {
1143 mwifiex_dbg(priv->adapter, ERROR,
1144 "change virtual interface: scan in process\n");
1145 return -EBUSY;
1146 }
1147
1148 switch (curr_iftype) {
1149 case NL80211_IFTYPE_ADHOC:
1150 switch (type) {
1151 case NL80211_IFTYPE_STATION:
1152 priv->bss_mode = type;
1153 priv->sec_info.authentication_mode =
1154 NL80211_AUTHTYPE_OPEN_SYSTEM;
1155 dev->ieee80211_ptr->iftype = type;
1156 mwifiex_deauthenticate(priv, NULL);
1157 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1158 HostCmd_ACT_GEN_SET, 0, NULL,
1159 true);
1160 case NL80211_IFTYPE_P2P_CLIENT:
1161 case NL80211_IFTYPE_P2P_GO:
1162 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1163 type, params);
1164 case NL80211_IFTYPE_AP:
1165 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1166 params);
1167 case NL80211_IFTYPE_UNSPECIFIED:
1168 mwifiex_dbg(priv->adapter, INFO,
1169 "%s: kept type as IBSS\n", dev->name);
1170 /* fall through */
1171 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
1172 return 0;
1173 default:
1174 mwifiex_dbg(priv->adapter, ERROR,
1175 "%s: changing to %d not supported\n",
1176 dev->name, type);
1177 return -EOPNOTSUPP;
1178 }
1179 break;
1180 case NL80211_IFTYPE_STATION:
1181 switch (type) {
1182 case NL80211_IFTYPE_ADHOC:
1183 priv->bss_mode = type;
1184 priv->sec_info.authentication_mode =
1185 NL80211_AUTHTYPE_OPEN_SYSTEM;
1186 dev->ieee80211_ptr->iftype = type;
1187 mwifiex_deauthenticate(priv, NULL);
1188 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1189 HostCmd_ACT_GEN_SET, 0, NULL,
1190 true);
1191 case NL80211_IFTYPE_P2P_CLIENT:
1192 case NL80211_IFTYPE_P2P_GO:
1193 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1194 type, params);
1195 case NL80211_IFTYPE_AP:
1196 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1197 params);
1198 case NL80211_IFTYPE_UNSPECIFIED:
1199 mwifiex_dbg(priv->adapter, INFO,
1200 "%s: kept type as STA\n", dev->name);
1201 /* fall through */
1202 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
1203 return 0;
1204 default:
1205 mwifiex_dbg(priv->adapter, ERROR,
1206 "%s: changing to %d not supported\n",
1207 dev->name, type);
1208 return -EOPNOTSUPP;
1209 }
1210 break;
1211 case NL80211_IFTYPE_AP:
1212 switch (type) {
1213 case NL80211_IFTYPE_ADHOC:
1214 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1215 type, params);
1216 break;
1217 case NL80211_IFTYPE_P2P_CLIENT:
1218 case NL80211_IFTYPE_P2P_GO:
1219 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1220 type, params);
1221 case NL80211_IFTYPE_UNSPECIFIED:
1222 mwifiex_dbg(priv->adapter, INFO,
1223 "%s: kept type as AP\n", dev->name);
1224 /* fall through */
1225 case NL80211_IFTYPE_AP: /* This shouldn't happen */
1226 return 0;
1227 default:
1228 mwifiex_dbg(priv->adapter, ERROR,
1229 "%s: changing to %d not supported\n",
1230 dev->name, type);
1231 return -EOPNOTSUPP;
1232 }
1233 break;
1234 case NL80211_IFTYPE_P2P_CLIENT:
1235 case NL80211_IFTYPE_P2P_GO:
1236 switch (type) {
1237 case NL80211_IFTYPE_STATION:
1238 if (mwifiex_cfg80211_deinit_p2p(priv))
1239 return -EFAULT;
1240 priv->adapter->curr_iface_comb.p2p_intf--;
1241 priv->adapter->curr_iface_comb.sta_intf++;
1242 dev->ieee80211_ptr->iftype = type;
1243 if (mwifiex_deinit_priv_params(priv))
1244 return -1;
1245 if (mwifiex_init_new_priv_params(priv, dev, type))
1246 return -1;
1247 if (mwifiex_sta_init_cmd(priv, false, false))
1248 return -1;
1249 break;
1250 case NL80211_IFTYPE_ADHOC:
1251 if (mwifiex_cfg80211_deinit_p2p(priv))
1252 return -EFAULT;
1253 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1254 type, params);
1255 break;
1256 case NL80211_IFTYPE_AP:
1257 if (mwifiex_cfg80211_deinit_p2p(priv))
1258 return -EFAULT;
1259 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1260 params);
1261 case NL80211_IFTYPE_UNSPECIFIED:
1262 mwifiex_dbg(priv->adapter, INFO,
1263 "%s: kept type as P2P\n", dev->name);
1264 /* fall through */
1265 case NL80211_IFTYPE_P2P_CLIENT:
1266 case NL80211_IFTYPE_P2P_GO:
1267 return 0;
1268 default:
1269 mwifiex_dbg(priv->adapter, ERROR,
1270 "%s: changing to %d not supported\n",
1271 dev->name, type);
1272 return -EOPNOTSUPP;
1273 }
1274 break;
1275 default:
1276 mwifiex_dbg(priv->adapter, ERROR,
1277 "%s: unknown iftype: %d\n",
1278 dev->name, dev->ieee80211_ptr->iftype);
1279 return -EOPNOTSUPP;
1280 }
1281
1282
1283 return 0;
1284 }
1285
1286 static void
1287 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo,
1288 struct rate_info *rate)
1289 {
1290 struct mwifiex_adapter *adapter = priv->adapter;
1291
1292 if (adapter->is_hw_11ac_capable) {
1293 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1294 if (htinfo & BIT(0)) {
1295 /* HT */
1296 rate->mcs = rateinfo;
1297 rate->flags |= RATE_INFO_FLAGS_MCS;
1298 }
1299 if (htinfo & BIT(1)) {
1300 /* VHT */
1301 rate->mcs = rateinfo & 0x0F;
1302 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1303 }
1304
1305 if (htinfo & (BIT(1) | BIT(0))) {
1306 /* HT or VHT */
1307 switch (htinfo & (BIT(3) | BIT(2))) {
1308 case 0:
1309 rate->bw = RATE_INFO_BW_20;
1310 break;
1311 case (BIT(2)):
1312 rate->bw = RATE_INFO_BW_40;
1313 break;
1314 case (BIT(3)):
1315 rate->bw = RATE_INFO_BW_80;
1316 break;
1317 case (BIT(3) | BIT(2)):
1318 rate->bw = RATE_INFO_BW_160;
1319 break;
1320 }
1321
1322 if (htinfo & BIT(4))
1323 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1324
1325 if ((rateinfo >> 4) == 1)
1326 rate->nss = 2;
1327 else
1328 rate->nss = 1;
1329 }
1330 } else {
1331 /*
1332 * Bit 0 in htinfo indicates that current rate is 11n. Valid
1333 * MCS index values for us are 0 to 15.
1334 */
1335 if ((htinfo & BIT(0)) && (rateinfo < 16)) {
1336 rate->mcs = rateinfo;
1337 rate->flags |= RATE_INFO_FLAGS_MCS;
1338 rate->bw = RATE_INFO_BW_20;
1339 if (htinfo & BIT(1))
1340 rate->bw = RATE_INFO_BW_40;
1341 if (htinfo & BIT(2))
1342 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1343 }
1344 }
1345
1346 /* Decode legacy rates for non-HT. */
1347 if (!(htinfo & (BIT(0) | BIT(1)))) {
1348 /* Bitrates in multiples of 100kb/s. */
1349 static const int legacy_rates[] = {
1350 [0] = 10,
1351 [1] = 20,
1352 [2] = 55,
1353 [3] = 110,
1354 [4] = 60, /* MWIFIEX_RATE_INDEX_OFDM0 */
1355 [5] = 60,
1356 [6] = 90,
1357 [7] = 120,
1358 [8] = 180,
1359 [9] = 240,
1360 [10] = 360,
1361 [11] = 480,
1362 [12] = 540,
1363 };
1364 if (rateinfo < ARRAY_SIZE(legacy_rates))
1365 rate->legacy = legacy_rates[rateinfo];
1366 }
1367 }
1368
1369 /*
1370 * This function dumps the station information on a buffer.
1371 *
1372 * The following information are shown -
1373 * - Total bytes transmitted
1374 * - Total bytes received
1375 * - Total packets transmitted
1376 * - Total packets received
1377 * - Signal quality level
1378 * - Transmission rate
1379 */
1380 static int
1381 mwifiex_dump_station_info(struct mwifiex_private *priv,
1382 struct mwifiex_sta_node *node,
1383 struct station_info *sinfo)
1384 {
1385 u32 rate;
1386
1387 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
1388 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
1389 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
1390 BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
1391
1392 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1393 if (!node)
1394 return -ENOENT;
1395
1396 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) |
1397 BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1398 sinfo->inactive_time =
1399 jiffies_to_msecs(jiffies - node->stats.last_rx);
1400
1401 sinfo->signal = node->stats.rssi;
1402 sinfo->signal_avg = node->stats.rssi;
1403 sinfo->rx_bytes = node->stats.rx_bytes;
1404 sinfo->tx_bytes = node->stats.tx_bytes;
1405 sinfo->rx_packets = node->stats.rx_packets;
1406 sinfo->tx_packets = node->stats.tx_packets;
1407 sinfo->tx_failed = node->stats.tx_failed;
1408
1409 mwifiex_parse_htinfo(priv, priv->tx_rate,
1410 node->stats.last_tx_htinfo,
1411 &sinfo->txrate);
1412 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1413
1414 return 0;
1415 }
1416
1417 /* Get signal information from the firmware */
1418 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1419 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1420 mwifiex_dbg(priv->adapter, ERROR,
1421 "failed to get signal information\n");
1422 return -EFAULT;
1423 }
1424
1425 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1426 mwifiex_dbg(priv->adapter, ERROR,
1427 "getting data rate error\n");
1428 return -EFAULT;
1429 }
1430
1431 /* Get DTIM period information from firmware */
1432 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1433 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1434 &priv->dtim_period, true);
1435
1436 mwifiex_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo,
1437 &sinfo->txrate);
1438
1439 sinfo->signal_avg = priv->bcn_rssi_avg;
1440 sinfo->rx_bytes = priv->stats.rx_bytes;
1441 sinfo->tx_bytes = priv->stats.tx_bytes;
1442 sinfo->rx_packets = priv->stats.rx_packets;
1443 sinfo->tx_packets = priv->stats.tx_packets;
1444 sinfo->signal = priv->bcn_rssi_avg;
1445 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1446 sinfo->txrate.legacy = rate * 5;
1447
1448 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
1449 mwifiex_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo,
1450 &sinfo->rxrate);
1451
1452 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1453 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM);
1454 sinfo->bss_param.flags = 0;
1455 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1456 WLAN_CAPABILITY_SHORT_PREAMBLE)
1457 sinfo->bss_param.flags |=
1458 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1459 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1460 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1461 sinfo->bss_param.flags |=
1462 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1463 sinfo->bss_param.dtim_period = priv->dtim_period;
1464 sinfo->bss_param.beacon_interval =
1465 priv->curr_bss_params.bss_descriptor.beacon_period;
1466 }
1467
1468 return 0;
1469 }
1470
1471 /*
1472 * CFG802.11 operation handler to get station information.
1473 *
1474 * This function only works in connected mode, and dumps the
1475 * requested station information, if available.
1476 */
1477 static int
1478 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1479 const u8 *mac, struct station_info *sinfo)
1480 {
1481 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1482
1483 if (!priv->media_connected)
1484 return -ENOENT;
1485 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1486 return -ENOENT;
1487
1488 return mwifiex_dump_station_info(priv, NULL, sinfo);
1489 }
1490
1491 /*
1492 * CFG802.11 operation handler to dump station information.
1493 */
1494 static int
1495 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1496 int idx, u8 *mac, struct station_info *sinfo)
1497 {
1498 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1499 static struct mwifiex_sta_node *node;
1500
1501 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1502 priv->media_connected && idx == 0) {
1503 ether_addr_copy(mac, priv->cfg_bssid);
1504 return mwifiex_dump_station_info(priv, NULL, sinfo);
1505 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1506 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1507 HostCmd_ACT_GEN_GET, 0, NULL, true);
1508
1509 if (node && (&node->list == &priv->sta_list)) {
1510 node = NULL;
1511 return -ENOENT;
1512 }
1513
1514 node = list_prepare_entry(node, &priv->sta_list, list);
1515 list_for_each_entry_continue(node, &priv->sta_list, list) {
1516 ether_addr_copy(mac, node->mac_addr);
1517 return mwifiex_dump_station_info(priv, node, sinfo);
1518 }
1519 }
1520
1521 return -ENOENT;
1522 }
1523
1524 static int
1525 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1526 int idx, struct survey_info *survey)
1527 {
1528 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1529 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1530 enum nl80211_band band;
1531
1532 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1533
1534 memset(survey, 0, sizeof(struct survey_info));
1535
1536 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1537 priv->media_connected && idx == 0) {
1538 u8 curr_bss_band = priv->curr_bss_params.band;
1539 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1540
1541 band = mwifiex_band_to_radio_type(curr_bss_band);
1542 survey->channel = ieee80211_get_channel(wiphy,
1543 ieee80211_channel_to_frequency(chan, band));
1544
1545 if (priv->bcn_nf_last) {
1546 survey->filled = SURVEY_INFO_NOISE_DBM;
1547 survey->noise = priv->bcn_nf_last;
1548 }
1549 return 0;
1550 }
1551
1552 if (idx >= priv->adapter->num_in_chan_stats)
1553 return -ENOENT;
1554
1555 if (!pchan_stats[idx].cca_scan_dur)
1556 return 0;
1557
1558 band = pchan_stats[idx].bandcfg;
1559 survey->channel = ieee80211_get_channel(wiphy,
1560 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1561 survey->filled = SURVEY_INFO_NOISE_DBM |
1562 SURVEY_INFO_TIME |
1563 SURVEY_INFO_TIME_BUSY;
1564 survey->noise = pchan_stats[idx].noise;
1565 survey->time = pchan_stats[idx].cca_scan_dur;
1566 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1567
1568 return 0;
1569 }
1570
1571 /* Supported rates to be advertised to the cfg80211 */
1572 static struct ieee80211_rate mwifiex_rates[] = {
1573 {.bitrate = 10, .hw_value = 2, },
1574 {.bitrate = 20, .hw_value = 4, },
1575 {.bitrate = 55, .hw_value = 11, },
1576 {.bitrate = 110, .hw_value = 22, },
1577 {.bitrate = 60, .hw_value = 12, },
1578 {.bitrate = 90, .hw_value = 18, },
1579 {.bitrate = 120, .hw_value = 24, },
1580 {.bitrate = 180, .hw_value = 36, },
1581 {.bitrate = 240, .hw_value = 48, },
1582 {.bitrate = 360, .hw_value = 72, },
1583 {.bitrate = 480, .hw_value = 96, },
1584 {.bitrate = 540, .hw_value = 108, },
1585 };
1586
1587 /* Channel definitions to be advertised to cfg80211 */
1588 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1589 {.center_freq = 2412, .hw_value = 1, },
1590 {.center_freq = 2417, .hw_value = 2, },
1591 {.center_freq = 2422, .hw_value = 3, },
1592 {.center_freq = 2427, .hw_value = 4, },
1593 {.center_freq = 2432, .hw_value = 5, },
1594 {.center_freq = 2437, .hw_value = 6, },
1595 {.center_freq = 2442, .hw_value = 7, },
1596 {.center_freq = 2447, .hw_value = 8, },
1597 {.center_freq = 2452, .hw_value = 9, },
1598 {.center_freq = 2457, .hw_value = 10, },
1599 {.center_freq = 2462, .hw_value = 11, },
1600 {.center_freq = 2467, .hw_value = 12, },
1601 {.center_freq = 2472, .hw_value = 13, },
1602 {.center_freq = 2484, .hw_value = 14, },
1603 };
1604
1605 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1606 .channels = mwifiex_channels_2ghz,
1607 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1608 .bitrates = mwifiex_rates,
1609 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1610 };
1611
1612 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1613 {.center_freq = 5040, .hw_value = 8, },
1614 {.center_freq = 5060, .hw_value = 12, },
1615 {.center_freq = 5080, .hw_value = 16, },
1616 {.center_freq = 5170, .hw_value = 34, },
1617 {.center_freq = 5190, .hw_value = 38, },
1618 {.center_freq = 5210, .hw_value = 42, },
1619 {.center_freq = 5230, .hw_value = 46, },
1620 {.center_freq = 5180, .hw_value = 36, },
1621 {.center_freq = 5200, .hw_value = 40, },
1622 {.center_freq = 5220, .hw_value = 44, },
1623 {.center_freq = 5240, .hw_value = 48, },
1624 {.center_freq = 5260, .hw_value = 52, },
1625 {.center_freq = 5280, .hw_value = 56, },
1626 {.center_freq = 5300, .hw_value = 60, },
1627 {.center_freq = 5320, .hw_value = 64, },
1628 {.center_freq = 5500, .hw_value = 100, },
1629 {.center_freq = 5520, .hw_value = 104, },
1630 {.center_freq = 5540, .hw_value = 108, },
1631 {.center_freq = 5560, .hw_value = 112, },
1632 {.center_freq = 5580, .hw_value = 116, },
1633 {.center_freq = 5600, .hw_value = 120, },
1634 {.center_freq = 5620, .hw_value = 124, },
1635 {.center_freq = 5640, .hw_value = 128, },
1636 {.center_freq = 5660, .hw_value = 132, },
1637 {.center_freq = 5680, .hw_value = 136, },
1638 {.center_freq = 5700, .hw_value = 140, },
1639 {.center_freq = 5745, .hw_value = 149, },
1640 {.center_freq = 5765, .hw_value = 153, },
1641 {.center_freq = 5785, .hw_value = 157, },
1642 {.center_freq = 5805, .hw_value = 161, },
1643 {.center_freq = 5825, .hw_value = 165, },
1644 };
1645
1646 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1647 .channels = mwifiex_channels_5ghz,
1648 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1649 .bitrates = mwifiex_rates + 4,
1650 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1651 };
1652
1653
1654 /* Supported crypto cipher suits to be advertised to cfg80211 */
1655 static const u32 mwifiex_cipher_suites[] = {
1656 WLAN_CIPHER_SUITE_WEP40,
1657 WLAN_CIPHER_SUITE_WEP104,
1658 WLAN_CIPHER_SUITE_TKIP,
1659 WLAN_CIPHER_SUITE_CCMP,
1660 WLAN_CIPHER_SUITE_SMS4,
1661 WLAN_CIPHER_SUITE_AES_CMAC,
1662 };
1663
1664 /* Supported mgmt frame types to be advertised to cfg80211 */
1665 static const struct ieee80211_txrx_stypes
1666 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1667 [NL80211_IFTYPE_STATION] = {
1668 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1669 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1670 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1671 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1672 },
1673 [NL80211_IFTYPE_AP] = {
1674 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1675 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1676 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1677 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1678 },
1679 [NL80211_IFTYPE_P2P_CLIENT] = {
1680 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1681 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1682 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1683 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1684 },
1685 [NL80211_IFTYPE_P2P_GO] = {
1686 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1687 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1688 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1689 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1690 },
1691 };
1692
1693 /*
1694 * CFG802.11 operation handler for setting bit rates.
1695 *
1696 * Function configures data rates to firmware using bitrate mask
1697 * provided by cfg80211.
1698 */
1699 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1700 struct net_device *dev,
1701 const u8 *peer,
1702 const struct cfg80211_bitrate_mask *mask)
1703 {
1704 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1705 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1706 enum nl80211_band band;
1707 struct mwifiex_adapter *adapter = priv->adapter;
1708
1709 if (!priv->media_connected) {
1710 mwifiex_dbg(adapter, ERROR,
1711 "Can not set Tx data rate in disconnected state\n");
1712 return -EINVAL;
1713 }
1714
1715 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1716
1717 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1718
1719 /* Fill HR/DSSS rates. */
1720 if (band == NL80211_BAND_2GHZ)
1721 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1722
1723 /* Fill OFDM rates */
1724 if (band == NL80211_BAND_2GHZ)
1725 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1726 else
1727 bitmap_rates[1] = mask->control[band].legacy;
1728
1729 /* Fill HT MCS rates */
1730 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1731 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1732 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1733
1734 /* Fill VHT MCS rates */
1735 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1736 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1737 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1738 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1739 }
1740
1741 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1742 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1743 }
1744
1745 /*
1746 * CFG802.11 operation handler for connection quality monitoring.
1747 *
1748 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1749 * events to FW.
1750 */
1751 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1752 struct net_device *dev,
1753 s32 rssi_thold, u32 rssi_hyst)
1754 {
1755 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1756 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1757
1758 priv->cqm_rssi_thold = rssi_thold;
1759 priv->cqm_rssi_hyst = rssi_hyst;
1760
1761 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1762 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1763
1764 /* Subscribe/unsubscribe low and high rssi events */
1765 if (rssi_thold && rssi_hyst) {
1766 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1767 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1768 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1769 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1770 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1771 return mwifiex_send_cmd(priv,
1772 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1773 0, 0, &subsc_evt, true);
1774 } else {
1775 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1776 return mwifiex_send_cmd(priv,
1777 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1778 0, 0, &subsc_evt, true);
1779 }
1780
1781 return 0;
1782 }
1783
1784 /* cfg80211 operation handler for change_beacon.
1785 * Function retrieves and sets modified management IEs to FW.
1786 */
1787 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1788 struct net_device *dev,
1789 struct cfg80211_beacon_data *data)
1790 {
1791 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1792 struct mwifiex_adapter *adapter = priv->adapter;
1793
1794 mwifiex_cancel_scan(adapter);
1795
1796 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1797 mwifiex_dbg(priv->adapter, ERROR,
1798 "%s: bss_type mismatched\n", __func__);
1799 return -EINVAL;
1800 }
1801
1802 if (!priv->bss_started) {
1803 mwifiex_dbg(priv->adapter, ERROR,
1804 "%s: bss not started\n", __func__);
1805 return -EINVAL;
1806 }
1807
1808 if (mwifiex_set_mgmt_ies(priv, data)) {
1809 mwifiex_dbg(priv->adapter, ERROR,
1810 "%s: setting mgmt ies failed\n", __func__);
1811 return -EFAULT;
1812 }
1813
1814 return 0;
1815 }
1816
1817 /* cfg80211 operation handler for del_station.
1818 * Function deauthenticates station which value is provided in mac parameter.
1819 * If mac is NULL/broadcast, all stations in associated station list are
1820 * deauthenticated. If bss is not started or there are no stations in
1821 * associated stations list, no action is taken.
1822 */
1823 static int
1824 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1825 struct station_del_parameters *params)
1826 {
1827 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1828 struct mwifiex_sta_node *sta_node;
1829 u8 deauth_mac[ETH_ALEN];
1830
1831 if (!priv->bss_started && priv->wdev.cac_started) {
1832 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1833 mwifiex_abort_cac(priv);
1834 }
1835
1836 if (list_empty(&priv->sta_list) || !priv->bss_started)
1837 return 0;
1838
1839 if (!params->mac || is_broadcast_ether_addr(params->mac))
1840 return 0;
1841
1842 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1843 __func__, params->mac);
1844
1845 eth_zero_addr(deauth_mac);
1846
1847 spin_lock_bh(&priv->sta_list_spinlock);
1848 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1849 if (sta_node)
1850 ether_addr_copy(deauth_mac, params->mac);
1851 spin_unlock_bh(&priv->sta_list_spinlock);
1852
1853 if (is_valid_ether_addr(deauth_mac)) {
1854 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1855 HostCmd_ACT_GEN_SET, 0,
1856 deauth_mac, true))
1857 return -1;
1858 }
1859
1860 return 0;
1861 }
1862
1863 static int
1864 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1865 {
1866 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1867 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1868 MWIFIEX_BSS_ROLE_ANY);
1869 struct mwifiex_ds_ant_cfg ant_cfg;
1870
1871 if (!tx_ant || !rx_ant)
1872 return -EOPNOTSUPP;
1873
1874 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1875 /* Not a MIMO chip. User should provide specific antenna number
1876 * for Tx/Rx path or enable all antennas for diversity
1877 */
1878 if (tx_ant != rx_ant)
1879 return -EOPNOTSUPP;
1880
1881 if ((tx_ant & (tx_ant - 1)) &&
1882 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1883 return -EOPNOTSUPP;
1884
1885 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1886 (priv->adapter->number_of_antenna > 1)) {
1887 tx_ant = RF_ANTENNA_AUTO;
1888 rx_ant = RF_ANTENNA_AUTO;
1889 }
1890 } else {
1891 struct ieee80211_sta_ht_cap *ht_info;
1892 int rx_mcs_supp;
1893 enum nl80211_band band;
1894
1895 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1896 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1897 if (adapter->is_hw_11ac_capable)
1898 adapter->usr_dot_11ac_mcs_support =
1899 MWIFIEX_11AC_MCS_MAP_1X1;
1900 } else {
1901 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1902 if (adapter->is_hw_11ac_capable)
1903 adapter->usr_dot_11ac_mcs_support =
1904 MWIFIEX_11AC_MCS_MAP_2X2;
1905 }
1906
1907 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1908 if (!adapter->wiphy->bands[band])
1909 continue;
1910
1911 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1912 rx_mcs_supp =
1913 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1914 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1915 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1916 }
1917 }
1918
1919 ant_cfg.tx_ant = tx_ant;
1920 ant_cfg.rx_ant = rx_ant;
1921
1922 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1923 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1924 }
1925
1926 static int
1927 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1928 {
1929 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1930 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1931 MWIFIEX_BSS_ROLE_ANY);
1932 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1933 HostCmd_ACT_GEN_GET, 0, NULL, true);
1934
1935 *tx_ant = priv->tx_ant;
1936 *rx_ant = priv->rx_ant;
1937
1938 return 0;
1939 }
1940
1941 /* cfg80211 operation handler for stop ap.
1942 * Function stops BSS running at uAP interface.
1943 */
1944 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1945 {
1946 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1947
1948 mwifiex_abort_cac(priv);
1949
1950 if (mwifiex_del_mgmt_ies(priv))
1951 mwifiex_dbg(priv->adapter, ERROR,
1952 "Failed to delete mgmt IEs!\n");
1953
1954 priv->ap_11n_enabled = 0;
1955 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1956
1957 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1958 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1959 mwifiex_dbg(priv->adapter, ERROR,
1960 "Failed to stop the BSS\n");
1961 return -1;
1962 }
1963
1964 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
1965 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1966 mwifiex_dbg(priv->adapter, ERROR,
1967 "Failed to reset BSS\n");
1968 return -1;
1969 }
1970
1971 if (netif_carrier_ok(priv->netdev))
1972 netif_carrier_off(priv->netdev);
1973 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
1974
1975 return 0;
1976 }
1977
1978 /* cfg80211 operation handler for start_ap.
1979 * Function sets beacon period, DTIM period, SSID and security into
1980 * AP config structure.
1981 * AP is configured with these settings and BSS is started.
1982 */
1983 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1984 struct net_device *dev,
1985 struct cfg80211_ap_settings *params)
1986 {
1987 struct mwifiex_uap_bss_param *bss_cfg;
1988 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1989
1990 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1991 return -1;
1992
1993 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1994 if (!bss_cfg)
1995 return -ENOMEM;
1996
1997 mwifiex_set_sys_config_invalid_data(bss_cfg);
1998
1999 if (params->beacon_interval)
2000 bss_cfg->beacon_period = params->beacon_interval;
2001 if (params->dtim_period)
2002 bss_cfg->dtim_period = params->dtim_period;
2003
2004 if (params->ssid && params->ssid_len) {
2005 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
2006 bss_cfg->ssid.ssid_len = params->ssid_len;
2007 }
2008 if (params->inactivity_timeout > 0) {
2009 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
2010 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
2011 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
2012 }
2013
2014 switch (params->hidden_ssid) {
2015 case NL80211_HIDDEN_SSID_NOT_IN_USE:
2016 bss_cfg->bcast_ssid_ctl = 1;
2017 break;
2018 case NL80211_HIDDEN_SSID_ZERO_LEN:
2019 bss_cfg->bcast_ssid_ctl = 0;
2020 break;
2021 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
2022 bss_cfg->bcast_ssid_ctl = 2;
2023 break;
2024 default:
2025 kfree(bss_cfg);
2026 return -EINVAL;
2027 }
2028
2029 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
2030 mwifiex_set_uap_rates(bss_cfg, params);
2031
2032 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
2033 mwifiex_dbg(priv->adapter, ERROR,
2034 "Failed to parse security parameters!\n");
2035 goto out;
2036 }
2037
2038 mwifiex_set_ht_params(priv, bss_cfg, params);
2039
2040 if (priv->adapter->is_hw_11ac_capable) {
2041 mwifiex_set_vht_params(priv, bss_cfg, params);
2042 mwifiex_set_vht_width(priv, params->chandef.width,
2043 priv->ap_11ac_enabled);
2044 }
2045
2046 if (priv->ap_11ac_enabled)
2047 mwifiex_set_11ac_ba_params(priv);
2048 else
2049 mwifiex_set_ba_params(priv);
2050
2051 mwifiex_set_wmm_params(priv, bss_cfg, params);
2052
2053 if (mwifiex_is_11h_active(priv))
2054 mwifiex_set_tpc_params(priv, bss_cfg, params);
2055
2056 if (mwifiex_is_11h_active(priv) &&
2057 !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
2058 priv->bss_mode)) {
2059 mwifiex_dbg(priv->adapter, INFO,
2060 "Disable 11h extensions in FW\n");
2061 if (mwifiex_11h_activate(priv, false)) {
2062 mwifiex_dbg(priv->adapter, ERROR,
2063 "Failed to disable 11h extensions!!");
2064 goto out;
2065 }
2066 priv->state_11h.is_11h_active = false;
2067 }
2068
2069 mwifiex_config_uap_11d(priv, &params->beacon);
2070
2071 if (mwifiex_config_start_uap(priv, bss_cfg)) {
2072 mwifiex_dbg(priv->adapter, ERROR,
2073 "Failed to start AP\n");
2074 goto out;
2075 }
2076
2077 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
2078 goto out;
2079
2080 if (!netif_carrier_ok(priv->netdev))
2081 netif_carrier_on(priv->netdev);
2082 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2083
2084 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2085 kfree(bss_cfg);
2086 return 0;
2087
2088 out:
2089 kfree(bss_cfg);
2090 return -1;
2091 }
2092
2093 /*
2094 * CFG802.11 operation handler for disconnection request.
2095 *
2096 * This function does not work when there is already a disconnection
2097 * procedure going on.
2098 */
2099 static int
2100 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2101 u16 reason_code)
2102 {
2103 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2104
2105 if (!mwifiex_stop_bg_scan(priv))
2106 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2107
2108 if (mwifiex_deauthenticate(priv, NULL))
2109 return -EFAULT;
2110
2111 eth_zero_addr(priv->cfg_bssid);
2112 priv->hs2_enabled = false;
2113
2114 return 0;
2115 }
2116
2117 /*
2118 * This function informs the CFG802.11 subsystem of a new IBSS.
2119 *
2120 * The following information are sent to the CFG802.11 subsystem
2121 * to register the new IBSS. If we do not register the new IBSS,
2122 * a kernel panic will result.
2123 * - SSID
2124 * - SSID length
2125 * - BSSID
2126 * - Channel
2127 */
2128 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2129 {
2130 struct ieee80211_channel *chan;
2131 struct mwifiex_bss_info bss_info;
2132 struct cfg80211_bss *bss;
2133 int ie_len;
2134 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2135 enum nl80211_band band;
2136
2137 if (mwifiex_get_bss_info(priv, &bss_info))
2138 return -1;
2139
2140 ie_buf[0] = WLAN_EID_SSID;
2141 ie_buf[1] = bss_info.ssid.ssid_len;
2142
2143 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2144 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2145 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2146
2147 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2148 chan = ieee80211_get_channel(priv->wdev.wiphy,
2149 ieee80211_channel_to_frequency(bss_info.bss_chan,
2150 band));
2151
2152 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2153 CFG80211_BSS_FTYPE_UNKNOWN,
2154 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2155 0, ie_buf, ie_len, 0, GFP_KERNEL);
2156 if (bss) {
2157 cfg80211_put_bss(priv->wdev.wiphy, bss);
2158 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2159 }
2160
2161 return 0;
2162 }
2163
2164 /*
2165 * This function connects with a BSS.
2166 *
2167 * This function handles both Infra and Ad-Hoc modes. It also performs
2168 * validity checking on the provided parameters, disconnects from the
2169 * current BSS (if any), sets up the association/scan parameters,
2170 * including security settings, and performs specific SSID scan before
2171 * trying to connect.
2172 *
2173 * For Infra mode, the function returns failure if the specified SSID
2174 * is not found in scan table. However, for Ad-Hoc mode, it can create
2175 * the IBSS if it does not exist. On successful completion in either case,
2176 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2177 */
2178 static int
2179 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2180 const u8 *ssid, const u8 *bssid, int mode,
2181 struct ieee80211_channel *channel,
2182 struct cfg80211_connect_params *sme, bool privacy)
2183 {
2184 struct cfg80211_ssid req_ssid;
2185 int ret, auth_type = 0;
2186 struct cfg80211_bss *bss = NULL;
2187 u8 is_scanning_required = 0;
2188
2189 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2190
2191 req_ssid.ssid_len = ssid_len;
2192 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2193 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2194 return -EINVAL;
2195 }
2196
2197 memcpy(req_ssid.ssid, ssid, ssid_len);
2198 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2199 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2200 return -EINVAL;
2201 }
2202
2203 /* As this is new association, clear locally stored
2204 * keys and security related flags */
2205 priv->sec_info.wpa_enabled = false;
2206 priv->sec_info.wpa2_enabled = false;
2207 priv->wep_key_curr_index = 0;
2208 priv->sec_info.encryption_mode = 0;
2209 priv->sec_info.is_authtype_auto = 0;
2210 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2211
2212 if (mode == NL80211_IFTYPE_ADHOC) {
2213 u16 enable = true;
2214
2215 /* set ibss coalescing_status */
2216 ret = mwifiex_send_cmd(
2217 priv,
2218 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2219 HostCmd_ACT_GEN_SET, 0, &enable, true);
2220 if (ret)
2221 return ret;
2222
2223 /* "privacy" is set only for ad-hoc mode */
2224 if (privacy) {
2225 /*
2226 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2227 * the firmware can find a matching network from the
2228 * scan. The cfg80211 does not give us the encryption
2229 * mode at this stage so just setting it to WEP here.
2230 */
2231 priv->sec_info.encryption_mode =
2232 WLAN_CIPHER_SUITE_WEP104;
2233 priv->sec_info.authentication_mode =
2234 NL80211_AUTHTYPE_OPEN_SYSTEM;
2235 }
2236
2237 goto done;
2238 }
2239
2240 /* Now handle infra mode. "sme" is valid for infra mode only */
2241 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2242 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2243 priv->sec_info.is_authtype_auto = 1;
2244 } else {
2245 auth_type = sme->auth_type;
2246 }
2247
2248 if (sme->crypto.n_ciphers_pairwise) {
2249 priv->sec_info.encryption_mode =
2250 sme->crypto.ciphers_pairwise[0];
2251 priv->sec_info.authentication_mode = auth_type;
2252 }
2253
2254 if (sme->crypto.cipher_group) {
2255 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2256 priv->sec_info.authentication_mode = auth_type;
2257 }
2258 if (sme->ie)
2259 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2260
2261 if (sme->key) {
2262 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2263 mwifiex_dbg(priv->adapter, INFO,
2264 "info: setting wep encryption\t"
2265 "with key len %d\n", sme->key_len);
2266 priv->wep_key_curr_index = sme->key_idx;
2267 ret = mwifiex_set_encode(priv, NULL, sme->key,
2268 sme->key_len, sme->key_idx,
2269 NULL, 0);
2270 }
2271 }
2272 done:
2273 /*
2274 * Scan entries are valid for some time (15 sec). So we can save one
2275 * active scan time if we just try cfg80211_get_bss first. If it fails
2276 * then request scan and cfg80211_get_bss() again for final output.
2277 */
2278 while (1) {
2279 if (is_scanning_required) {
2280 /* Do specific SSID scanning */
2281 if (mwifiex_request_scan(priv, &req_ssid)) {
2282 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2283 return -EFAULT;
2284 }
2285 }
2286
2287 /* Find the BSS we want using available scan results */
2288 if (mode == NL80211_IFTYPE_ADHOC)
2289 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2290 bssid, ssid, ssid_len,
2291 IEEE80211_BSS_TYPE_IBSS,
2292 IEEE80211_PRIVACY_ANY);
2293 else
2294 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2295 bssid, ssid, ssid_len,
2296 IEEE80211_BSS_TYPE_ESS,
2297 IEEE80211_PRIVACY_ANY);
2298
2299 if (!bss) {
2300 if (is_scanning_required) {
2301 mwifiex_dbg(priv->adapter, MSG,
2302 "assoc: requested bss not found in scan results\n");
2303 break;
2304 }
2305 is_scanning_required = 1;
2306 } else {
2307 mwifiex_dbg(priv->adapter, MSG,
2308 "info: trying to associate to '%.*s' bssid %pM\n",
2309 req_ssid.ssid_len, (char *)req_ssid.ssid,
2310 bss->bssid);
2311 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2312 break;
2313 }
2314 }
2315
2316 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2317 if (ret)
2318 return ret;
2319
2320 if (mode == NL80211_IFTYPE_ADHOC) {
2321 /* Inform the BSS information to kernel, otherwise
2322 * kernel will give a panic after successful assoc */
2323 if (mwifiex_cfg80211_inform_ibss_bss(priv))
2324 return -EFAULT;
2325 }
2326
2327 return ret;
2328 }
2329
2330 /*
2331 * CFG802.11 operation handler for association request.
2332 *
2333 * This function does not work when the current mode is set to Ad-Hoc, or
2334 * when there is already an association procedure going on. The given BSS
2335 * information is used to associate.
2336 */
2337 static int
2338 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2339 struct cfg80211_connect_params *sme)
2340 {
2341 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2342 struct mwifiex_adapter *adapter = priv->adapter;
2343 int ret;
2344
2345 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2346 mwifiex_dbg(adapter, ERROR,
2347 "%s: reject infra assoc request in non-STA role\n",
2348 dev->name);
2349 return -EINVAL;
2350 }
2351
2352 if (priv->wdev.current_bss) {
2353 mwifiex_dbg(adapter, ERROR,
2354 "%s: already connected\n", dev->name);
2355 return -EALREADY;
2356 }
2357
2358 if (priv->scan_block)
2359 priv->scan_block = false;
2360
2361 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) ||
2362 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) {
2363 mwifiex_dbg(adapter, ERROR,
2364 "%s: Ignore connection.\t"
2365 "Card removed or FW in bad state\n",
2366 dev->name);
2367 return -EFAULT;
2368 }
2369
2370 mwifiex_dbg(adapter, INFO,
2371 "info: Trying to associate to %.*s and bssid %pM\n",
2372 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid);
2373
2374 if (!mwifiex_stop_bg_scan(priv))
2375 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2376
2377 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2378 priv->bss_mode, sme->channel, sme, 0);
2379 if (!ret) {
2380 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
2381 NULL, 0, WLAN_STATUS_SUCCESS,
2382 GFP_KERNEL);
2383 mwifiex_dbg(priv->adapter, MSG,
2384 "info: associated to bssid %pM successfully\n",
2385 priv->cfg_bssid);
2386 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2387 priv->adapter->auto_tdls &&
2388 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2389 mwifiex_setup_auto_tdls_timer(priv);
2390 } else {
2391 mwifiex_dbg(priv->adapter, ERROR,
2392 "info: association to bssid %pM failed\n",
2393 priv->cfg_bssid);
2394 eth_zero_addr(priv->cfg_bssid);
2395
2396 if (ret > 0)
2397 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2398 NULL, 0, NULL, 0, ret,
2399 GFP_KERNEL);
2400 else
2401 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2402 NULL, 0, NULL, 0,
2403 WLAN_STATUS_UNSPECIFIED_FAILURE,
2404 GFP_KERNEL);
2405 }
2406
2407 return 0;
2408 }
2409
2410 /*
2411 * This function sets following parameters for ibss network.
2412 * - channel
2413 * - start band
2414 * - 11n flag
2415 * - secondary channel offset
2416 */
2417 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2418 struct cfg80211_ibss_params *params)
2419 {
2420 struct mwifiex_adapter *adapter = priv->adapter;
2421 int index = 0, i;
2422 u8 config_bands = 0;
2423
2424 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2425 if (!params->basic_rates) {
2426 config_bands = BAND_B | BAND_G;
2427 } else {
2428 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2429 /*
2430 * Rates below 6 Mbps in the table are CCK
2431 * rates; 802.11b and from 6 they are OFDM;
2432 * 802.11G
2433 */
2434 if (mwifiex_rates[i].bitrate == 60) {
2435 index = 1 << i;
2436 break;
2437 }
2438 }
2439
2440 if (params->basic_rates < index) {
2441 config_bands = BAND_B;
2442 } else {
2443 config_bands = BAND_G;
2444 if (params->basic_rates % index)
2445 config_bands |= BAND_B;
2446 }
2447 }
2448
2449 if (cfg80211_get_chandef_type(&params->chandef) !=
2450 NL80211_CHAN_NO_HT)
2451 config_bands |= BAND_G | BAND_GN;
2452 } else {
2453 if (cfg80211_get_chandef_type(&params->chandef) ==
2454 NL80211_CHAN_NO_HT)
2455 config_bands = BAND_A;
2456 else
2457 config_bands = BAND_AN | BAND_A;
2458 }
2459
2460 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2461 adapter->config_bands = config_bands;
2462 adapter->adhoc_start_band = config_bands;
2463
2464 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2465 adapter->adhoc_11n_enabled = true;
2466 else
2467 adapter->adhoc_11n_enabled = false;
2468 }
2469
2470 adapter->sec_chan_offset =
2471 mwifiex_chan_type_to_sec_chan_offset(
2472 cfg80211_get_chandef_type(&params->chandef));
2473 priv->adhoc_channel = ieee80211_frequency_to_channel(
2474 params->chandef.chan->center_freq);
2475
2476 mwifiex_dbg(adapter, INFO,
2477 "info: set ibss band %d, chan %d, chan offset %d\n",
2478 config_bands, priv->adhoc_channel,
2479 adapter->sec_chan_offset);
2480
2481 return 0;
2482 }
2483
2484 /*
2485 * CFG802.11 operation handler to join an IBSS.
2486 *
2487 * This function does not work in any mode other than Ad-Hoc, or if
2488 * a join operation is already in progress.
2489 */
2490 static int
2491 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2492 struct cfg80211_ibss_params *params)
2493 {
2494 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2495 int ret = 0;
2496
2497 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2498 mwifiex_dbg(priv->adapter, ERROR,
2499 "request to join ibss received\t"
2500 "when station is not in ibss mode\n");
2501 goto done;
2502 }
2503
2504 mwifiex_dbg(priv->adapter, MSG,
2505 "info: trying to join to %.*s and bssid %pM\n",
2506 params->ssid_len, (char *)params->ssid, params->bssid);
2507
2508 mwifiex_set_ibss_params(priv, params);
2509
2510 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2511 params->bssid, priv->bss_mode,
2512 params->chandef.chan, NULL,
2513 params->privacy);
2514 done:
2515 if (!ret) {
2516 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2517 params->chandef.chan, GFP_KERNEL);
2518 mwifiex_dbg(priv->adapter, MSG,
2519 "info: joined/created adhoc network with bssid\t"
2520 "%pM successfully\n", priv->cfg_bssid);
2521 } else {
2522 mwifiex_dbg(priv->adapter, ERROR,
2523 "info: failed creating/joining adhoc network\n");
2524 }
2525
2526 return ret;
2527 }
2528
2529 /*
2530 * CFG802.11 operation handler to leave an IBSS.
2531 *
2532 * This function does not work if a leave operation is
2533 * already in progress.
2534 */
2535 static int
2536 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2537 {
2538 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2539
2540 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2541 priv->cfg_bssid);
2542 if (mwifiex_deauthenticate(priv, NULL))
2543 return -EFAULT;
2544
2545 eth_zero_addr(priv->cfg_bssid);
2546
2547 return 0;
2548 }
2549
2550 /*
2551 * CFG802.11 operation handler for scan request.
2552 *
2553 * This function issues a scan request to the firmware based upon
2554 * the user specified scan configuration. On successful completion,
2555 * it also informs the results.
2556 */
2557 static int
2558 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2559 struct cfg80211_scan_request *request)
2560 {
2561 struct net_device *dev = request->wdev->netdev;
2562 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2563 int i, offset, ret;
2564 struct ieee80211_channel *chan;
2565 struct ieee_types_header *ie;
2566 struct mwifiex_user_scan_cfg *user_scan_cfg;
2567 u8 mac_addr[ETH_ALEN];
2568
2569 mwifiex_dbg(priv->adapter, CMD,
2570 "info: received scan request on %s\n", dev->name);
2571
2572 /* Block scan request if scan operation or scan cleanup when interface
2573 * is disabled is in process
2574 */
2575 if (priv->scan_request || priv->scan_aborting) {
2576 mwifiex_dbg(priv->adapter, WARN,
2577 "cmd: Scan already in process..\n");
2578 return -EBUSY;
2579 }
2580
2581 if (!priv->wdev.current_bss && priv->scan_block)
2582 priv->scan_block = false;
2583
2584 if (!mwifiex_stop_bg_scan(priv))
2585 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2586
2587 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2588 if (!user_scan_cfg)
2589 return -ENOMEM;
2590
2591 priv->scan_request = request;
2592
2593 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2594 get_random_mask_addr(mac_addr, request->mac_addr,
2595 request->mac_addr_mask);
2596 ether_addr_copy(request->mac_addr, mac_addr);
2597 ether_addr_copy(user_scan_cfg->random_mac, mac_addr);
2598 }
2599
2600 user_scan_cfg->num_ssids = request->n_ssids;
2601 user_scan_cfg->ssid_list = request->ssids;
2602
2603 if (request->ie && request->ie_len) {
2604 offset = 0;
2605 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2606 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2607 continue;
2608 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2609 ie = (struct ieee_types_header *)(request->ie + offset);
2610 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2611 offset += sizeof(*ie) + ie->len;
2612
2613 if (offset >= request->ie_len)
2614 break;
2615 }
2616 }
2617
2618 for (i = 0; i < min_t(u32, request->n_channels,
2619 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2620 chan = request->channels[i];
2621 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2622 user_scan_cfg->chan_list[i].radio_type = chan->band;
2623
2624 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2625 user_scan_cfg->chan_list[i].scan_type =
2626 MWIFIEX_SCAN_TYPE_PASSIVE;
2627 else
2628 user_scan_cfg->chan_list[i].scan_type =
2629 MWIFIEX_SCAN_TYPE_ACTIVE;
2630
2631 user_scan_cfg->chan_list[i].scan_time = 0;
2632 }
2633
2634 if (priv->adapter->scan_chan_gap_enabled &&
2635 mwifiex_is_any_intf_active(priv))
2636 user_scan_cfg->scan_chan_gap =
2637 priv->adapter->scan_chan_gap_time;
2638
2639 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2640 kfree(user_scan_cfg);
2641 if (ret) {
2642 mwifiex_dbg(priv->adapter, ERROR,
2643 "scan failed: %d\n", ret);
2644 priv->scan_aborting = false;
2645 priv->scan_request = NULL;
2646 return ret;
2647 }
2648
2649 if (request->ie && request->ie_len) {
2650 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2651 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2652 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2653 memset(&priv->vs_ie[i].ie, 0,
2654 MWIFIEX_MAX_VSIE_LEN);
2655 }
2656 }
2657 }
2658 return 0;
2659 }
2660
2661 /* CFG802.11 operation handler for sched_scan_start.
2662 *
2663 * This function issues a bgscan config request to the firmware based upon
2664 * the user specified sched_scan configuration. On successful completion,
2665 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2666 * query command to get sched_scan results from firmware.
2667 */
2668 static int
2669 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2670 struct net_device *dev,
2671 struct cfg80211_sched_scan_request *request)
2672 {
2673 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2674 int i, offset;
2675 struct ieee80211_channel *chan;
2676 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2677 struct ieee_types_header *ie;
2678
2679 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2680 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2681 __func__);
2682 return -EINVAL;
2683 }
2684
2685 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2686 request->n_ssids, request->n_match_sets);
2687 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2688 request->n_channels, request->scan_plans->interval,
2689 (int)request->ie_len);
2690
2691 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2692 if (!bgscan_cfg)
2693 return -ENOMEM;
2694
2695 if (priv->scan_request || priv->scan_aborting)
2696 bgscan_cfg->start_later = true;
2697
2698 bgscan_cfg->num_ssids = request->n_match_sets;
2699 bgscan_cfg->ssid_list = request->match_sets;
2700
2701 if (request->ie && request->ie_len) {
2702 offset = 0;
2703 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2704 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2705 continue;
2706 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2707 ie = (struct ieee_types_header *)(request->ie + offset);
2708 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2709 offset += sizeof(*ie) + ie->len;
2710
2711 if (offset >= request->ie_len)
2712 break;
2713 }
2714 }
2715
2716 for (i = 0; i < min_t(u32, request->n_channels,
2717 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2718 chan = request->channels[i];
2719 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2720 bgscan_cfg->chan_list[i].radio_type = chan->band;
2721
2722 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2723 bgscan_cfg->chan_list[i].scan_type =
2724 MWIFIEX_SCAN_TYPE_PASSIVE;
2725 else
2726 bgscan_cfg->chan_list[i].scan_type =
2727 MWIFIEX_SCAN_TYPE_ACTIVE;
2728
2729 bgscan_cfg->chan_list[i].scan_time = 0;
2730 }
2731
2732 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2733 MWIFIEX_BG_SCAN_CHAN_MAX);
2734
2735 /* Use at least 15 second for per scan cycle */
2736 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2737 MWIFIEX_BGSCAN_INTERVAL) ?
2738 request->scan_plans->interval :
2739 MWIFIEX_BGSCAN_INTERVAL;
2740
2741 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2742 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2743 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2744 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2745 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2746 bgscan_cfg->enable = true;
2747 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2748 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2749 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2750 }
2751
2752 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2753 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2754 kfree(bgscan_cfg);
2755 return -EFAULT;
2756 }
2757
2758 priv->sched_scanning = true;
2759
2760 kfree(bgscan_cfg);
2761 return 0;
2762 }
2763
2764 /* CFG802.11 operation handler for sched_scan_stop.
2765 *
2766 * This function issues a bgscan config command to disable
2767 * previous bgscan configuration in the firmware
2768 */
2769 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2770 struct net_device *dev, u64 reqid)
2771 {
2772 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2773
2774 wiphy_info(wiphy, "sched scan stop!");
2775 mwifiex_stop_bg_scan(priv);
2776
2777 return 0;
2778 }
2779
2780 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2781 struct mwifiex_private *priv)
2782 {
2783 struct mwifiex_adapter *adapter = priv->adapter;
2784
2785 vht_info->vht_supported = true;
2786
2787 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2788 /* Update MCS support for VHT */
2789 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2790 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2791 vht_info->vht_mcs.rx_highest = 0;
2792 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2793 adapter->hw_dot_11ac_mcs_support >> 16);
2794 vht_info->vht_mcs.tx_highest = 0;
2795 }
2796
2797 /*
2798 * This function sets up the CFG802.11 specific HT capability fields
2799 * with default values.
2800 *
2801 * The following default values are set -
2802 * - HT Supported = True
2803 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2804 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2805 * - HT Capabilities supported by firmware
2806 * - MCS information, Rx mask = 0xff
2807 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2808 */
2809 static void
2810 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2811 struct mwifiex_private *priv)
2812 {
2813 int rx_mcs_supp;
2814 struct ieee80211_mcs_info mcs_set;
2815 u8 *mcs = (u8 *)&mcs_set;
2816 struct mwifiex_adapter *adapter = priv->adapter;
2817
2818 ht_info->ht_supported = true;
2819 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2820 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2821
2822 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2823
2824 /* Fill HT capability information */
2825 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2826 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2827 else
2828 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2829
2830 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2831 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2832 else
2833 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2834
2835 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2836 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2837 else
2838 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2839
2840 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2841 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2842 else
2843 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2844
2845 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2846 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2847 else
2848 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2849
2850 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2851 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2852 else
2853 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2854
2855 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2856 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2857 else
2858 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2859
2860 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2861 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2862 else
2863 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2864
2865 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2866 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2867
2868 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2869 /* Set MCS for 1x1/2x2 */
2870 memset(mcs, 0xff, rx_mcs_supp);
2871 /* Clear all the other values */
2872 memset(&mcs[rx_mcs_supp], 0,
2873 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2874 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2875 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2876 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2877 SETHT_MCS32(mcs_set.rx_mask);
2878
2879 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2880
2881 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2882 }
2883
2884 /*
2885 * create a new virtual interface with the given name and name assign type
2886 */
2887 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2888 const char *name,
2889 unsigned char name_assign_type,
2890 enum nl80211_iftype type,
2891 struct vif_params *params)
2892 {
2893 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2894 struct mwifiex_private *priv;
2895 struct net_device *dev;
2896 void *mdev_priv;
2897 int ret;
2898
2899 if (!adapter)
2900 return ERR_PTR(-EFAULT);
2901
2902 switch (type) {
2903 case NL80211_IFTYPE_UNSPECIFIED:
2904 case NL80211_IFTYPE_STATION:
2905 case NL80211_IFTYPE_ADHOC:
2906 if (adapter->curr_iface_comb.sta_intf ==
2907 adapter->iface_limit.sta_intf) {
2908 mwifiex_dbg(adapter, ERROR,
2909 "cannot create multiple sta/adhoc ifaces\n");
2910 return ERR_PTR(-EINVAL);
2911 }
2912
2913 priv = mwifiex_get_unused_priv_by_bss_type(
2914 adapter, MWIFIEX_BSS_TYPE_STA);
2915 if (!priv) {
2916 mwifiex_dbg(adapter, ERROR,
2917 "could not get free private struct\n");
2918 return ERR_PTR(-EFAULT);
2919 }
2920
2921 priv->wdev.wiphy = wiphy;
2922 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2923
2924 if (type == NL80211_IFTYPE_UNSPECIFIED)
2925 priv->bss_mode = NL80211_IFTYPE_STATION;
2926 else
2927 priv->bss_mode = type;
2928
2929 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2930 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2931 priv->bss_priority = 0;
2932 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2933
2934 break;
2935 case NL80211_IFTYPE_AP:
2936 if (adapter->curr_iface_comb.uap_intf ==
2937 adapter->iface_limit.uap_intf) {
2938 mwifiex_dbg(adapter, ERROR,
2939 "cannot create multiple AP ifaces\n");
2940 return ERR_PTR(-EINVAL);
2941 }
2942
2943 priv = mwifiex_get_unused_priv_by_bss_type(
2944 adapter, MWIFIEX_BSS_TYPE_UAP);
2945 if (!priv) {
2946 mwifiex_dbg(adapter, ERROR,
2947 "could not get free private struct\n");
2948 return ERR_PTR(-EFAULT);
2949 }
2950
2951 priv->wdev.wiphy = wiphy;
2952 priv->wdev.iftype = NL80211_IFTYPE_AP;
2953
2954 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2955 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2956 priv->bss_priority = 0;
2957 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2958 priv->bss_started = 0;
2959 priv->bss_mode = type;
2960
2961 break;
2962 case NL80211_IFTYPE_P2P_CLIENT:
2963 if (adapter->curr_iface_comb.p2p_intf ==
2964 adapter->iface_limit.p2p_intf) {
2965 mwifiex_dbg(adapter, ERROR,
2966 "cannot create multiple P2P ifaces\n");
2967 return ERR_PTR(-EINVAL);
2968 }
2969
2970 priv = mwifiex_get_unused_priv_by_bss_type(
2971 adapter, MWIFIEX_BSS_TYPE_P2P);
2972 if (!priv) {
2973 mwifiex_dbg(adapter, ERROR,
2974 "could not get free private struct\n");
2975 return ERR_PTR(-EFAULT);
2976 }
2977
2978 priv->wdev.wiphy = wiphy;
2979 /* At start-up, wpa_supplicant tries to change the interface
2980 * to NL80211_IFTYPE_STATION if it is not managed mode.
2981 */
2982 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2983 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2984
2985 /* Setting bss_type to P2P tells firmware that this interface
2986 * is receiving P2P peers found during find phase and doing
2987 * action frame handshake.
2988 */
2989 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2990
2991 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2992 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2993 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2994 priv->bss_started = 0;
2995
2996 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2997 memset(&priv->wdev, 0, sizeof(priv->wdev));
2998 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2999 return ERR_PTR(-EFAULT);
3000 }
3001
3002 break;
3003 default:
3004 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3005 return ERR_PTR(-EINVAL);
3006 }
3007
3008 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
3009 name_assign_type, ether_setup,
3010 IEEE80211_NUM_ACS, 1);
3011 if (!dev) {
3012 mwifiex_dbg(adapter, ERROR,
3013 "no memory available for netdevice\n");
3014 ret = -ENOMEM;
3015 goto err_alloc_netdev;
3016 }
3017
3018 mwifiex_init_priv_params(priv, dev);
3019
3020 priv->netdev = dev;
3021
3022 if (!adapter->mfg_mode) {
3023 mwifiex_set_mac_address(priv, dev, false, NULL);
3024
3025 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
3026 HostCmd_ACT_GEN_SET, 0, NULL, true);
3027 if (ret)
3028 goto err_set_bss_mode;
3029
3030 ret = mwifiex_sta_init_cmd(priv, false, false);
3031 if (ret)
3032 goto err_sta_init;
3033 }
3034
3035 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
3036 if (adapter->is_hw_11ac_capable)
3037 mwifiex_setup_vht_caps(
3038 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
3039
3040 if (adapter->config_bands & BAND_A)
3041 mwifiex_setup_ht_caps(
3042 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
3043
3044 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
3045 mwifiex_setup_vht_caps(
3046 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
3047
3048 dev_net_set(dev, wiphy_net(wiphy));
3049 dev->ieee80211_ptr = &priv->wdev;
3050 dev->ieee80211_ptr->iftype = priv->bss_mode;
3051 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
3052
3053 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
3054 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
3055 dev->needed_headroom = MWIFIEX_MIN_DATA_HEADER_LEN;
3056 dev->ethtool_ops = &mwifiex_ethtool_ops;
3057
3058 mdev_priv = netdev_priv(dev);
3059 *((unsigned long *) mdev_priv) = (unsigned long) priv;
3060
3061 SET_NETDEV_DEV(dev, adapter->dev);
3062
3063 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3064 WQ_HIGHPRI |
3065 WQ_MEM_RECLAIM |
3066 WQ_UNBOUND, 1, name);
3067 if (!priv->dfs_cac_workqueue) {
3068 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n");
3069 ret = -ENOMEM;
3070 goto err_alloc_cac;
3071 }
3072
3073 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3074
3075 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3076 WQ_HIGHPRI | WQ_UNBOUND |
3077 WQ_MEM_RECLAIM, 1, name);
3078 if (!priv->dfs_chan_sw_workqueue) {
3079 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n");
3080 ret = -ENOMEM;
3081 goto err_alloc_chsw;
3082 }
3083
3084 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3085 mwifiex_dfs_chan_sw_work_queue);
3086
3087 mutex_init(&priv->async_mutex);
3088
3089 /* Register network device */
3090 if (register_netdevice(dev)) {
3091 mwifiex_dbg(adapter, ERROR, "cannot register network device\n");
3092 ret = -EFAULT;
3093 goto err_reg_netdev;
3094 }
3095
3096 mwifiex_dbg(adapter, INFO,
3097 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3098
3099 #ifdef CONFIG_DEBUG_FS
3100 mwifiex_dev_debugfs_init(priv);
3101 #endif
3102
3103 switch (type) {
3104 case NL80211_IFTYPE_UNSPECIFIED:
3105 case NL80211_IFTYPE_STATION:
3106 case NL80211_IFTYPE_ADHOC:
3107 adapter->curr_iface_comb.sta_intf++;
3108 break;
3109 case NL80211_IFTYPE_AP:
3110 adapter->curr_iface_comb.uap_intf++;
3111 break;
3112 case NL80211_IFTYPE_P2P_CLIENT:
3113 adapter->curr_iface_comb.p2p_intf++;
3114 break;
3115 default:
3116 /* This should be dead code; checked above */
3117 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3118 return ERR_PTR(-EINVAL);
3119 }
3120
3121 return &priv->wdev;
3122
3123 err_reg_netdev:
3124 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3125 priv->dfs_chan_sw_workqueue = NULL;
3126 err_alloc_chsw:
3127 destroy_workqueue(priv->dfs_cac_workqueue);
3128 priv->dfs_cac_workqueue = NULL;
3129 err_alloc_cac:
3130 free_netdev(dev);
3131 priv->netdev = NULL;
3132 err_sta_init:
3133 err_set_bss_mode:
3134 err_alloc_netdev:
3135 memset(&priv->wdev, 0, sizeof(priv->wdev));
3136 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3137 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3138 return ERR_PTR(ret);
3139 }
3140 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3141
3142 /*
3143 * del_virtual_intf: remove the virtual interface determined by dev
3144 */
3145 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3146 {
3147 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3148 struct mwifiex_adapter *adapter = priv->adapter;
3149 struct sk_buff *skb, *tmp;
3150
3151 #ifdef CONFIG_DEBUG_FS
3152 mwifiex_dev_debugfs_remove(priv);
3153 #endif
3154
3155 if (priv->sched_scanning)
3156 priv->sched_scanning = false;
3157
3158 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3159
3160 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3161 skb_unlink(skb, &priv->bypass_txq);
3162 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3163 }
3164
3165 if (netif_carrier_ok(priv->netdev))
3166 netif_carrier_off(priv->netdev);
3167
3168 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3169 unregister_netdevice(wdev->netdev);
3170
3171 if (priv->dfs_cac_workqueue) {
3172 flush_workqueue(priv->dfs_cac_workqueue);
3173 destroy_workqueue(priv->dfs_cac_workqueue);
3174 priv->dfs_cac_workqueue = NULL;
3175 }
3176
3177 if (priv->dfs_chan_sw_workqueue) {
3178 flush_workqueue(priv->dfs_chan_sw_workqueue);
3179 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3180 priv->dfs_chan_sw_workqueue = NULL;
3181 }
3182 /* Clear the priv in adapter */
3183 priv->netdev = NULL;
3184
3185 switch (priv->bss_mode) {
3186 case NL80211_IFTYPE_UNSPECIFIED:
3187 case NL80211_IFTYPE_STATION:
3188 case NL80211_IFTYPE_ADHOC:
3189 adapter->curr_iface_comb.sta_intf--;
3190 break;
3191 case NL80211_IFTYPE_AP:
3192 adapter->curr_iface_comb.uap_intf--;
3193 break;
3194 case NL80211_IFTYPE_P2P_CLIENT:
3195 case NL80211_IFTYPE_P2P_GO:
3196 adapter->curr_iface_comb.p2p_intf--;
3197 break;
3198 default:
3199 mwifiex_dbg(adapter, ERROR,
3200 "del_virtual_intf: type not supported\n");
3201 break;
3202 }
3203
3204 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3205
3206 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3207 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3208 kfree(priv->hist_data);
3209
3210 return 0;
3211 }
3212 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3213
3214 static bool
3215 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3216 u8 max_byte_seq)
3217 {
3218 int j, k, valid_byte_cnt = 0;
3219 bool dont_care_byte = false;
3220
3221 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3222 for (k = 0; k < 8; k++) {
3223 if (pat->mask[j] & 1 << k) {
3224 memcpy(byte_seq + valid_byte_cnt,
3225 &pat->pattern[j * 8 + k], 1);
3226 valid_byte_cnt++;
3227 if (dont_care_byte)
3228 return false;
3229 } else {
3230 if (valid_byte_cnt)
3231 dont_care_byte = true;
3232 }
3233
3234 /* wildcard bytes record as the offset
3235 * before the valid byte
3236 */
3237 if (!valid_byte_cnt && !dont_care_byte)
3238 pat->pkt_offset++;
3239
3240 if (valid_byte_cnt > max_byte_seq)
3241 return false;
3242 }
3243 }
3244
3245 byte_seq[max_byte_seq] = valid_byte_cnt;
3246
3247 return true;
3248 }
3249
3250 #ifdef CONFIG_PM
3251 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3252 struct mwifiex_mef_entry *mef_entry)
3253 {
3254 int i, filt_num = 0, num_ipv4 = 0;
3255 struct in_device *in_dev;
3256 struct in_ifaddr *ifa;
3257 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3258 struct mwifiex_adapter *adapter = priv->adapter;
3259
3260 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3261 mef_entry->action = MEF_ACTION_AUTO_ARP;
3262
3263 /* Enable ARP offload feature */
3264 memset(ips, 0, sizeof(ips));
3265 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3266 if (adapter->priv[i]->netdev) {
3267 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3268 if (!in_dev)
3269 continue;
3270 ifa = rtnl_dereference(in_dev->ifa_list);
3271 if (!ifa || !ifa->ifa_local)
3272 continue;
3273 ips[i] = ifa->ifa_local;
3274 num_ipv4++;
3275 }
3276 }
3277
3278 for (i = 0; i < num_ipv4; i++) {
3279 if (!ips[i])
3280 continue;
3281 mef_entry->filter[filt_num].repeat = 1;
3282 memcpy(mef_entry->filter[filt_num].byte_seq,
3283 (u8 *)&ips[i], sizeof(ips[i]));
3284 mef_entry->filter[filt_num].
3285 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3286 sizeof(ips[i]);
3287 mef_entry->filter[filt_num].offset = 46;
3288 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3289 if (filt_num) {
3290 mef_entry->filter[filt_num].filt_action =
3291 TYPE_OR;
3292 }
3293 filt_num++;
3294 }
3295
3296 mef_entry->filter[filt_num].repeat = 1;
3297 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3298 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3299 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3300 mef_entry->filter[filt_num].offset = 20;
3301 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3302 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3303 }
3304
3305 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3306 struct mwifiex_ds_mef_cfg *mef_cfg,
3307 struct mwifiex_mef_entry *mef_entry,
3308 struct cfg80211_wowlan *wowlan)
3309 {
3310 int i, filt_num = 0, ret = 0;
3311 bool first_pat = true;
3312 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3313 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3314 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3315
3316 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3317 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3318
3319 for (i = 0; i < wowlan->n_patterns; i++) {
3320 memset(byte_seq, 0, sizeof(byte_seq));
3321 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3322 byte_seq,
3323 MWIFIEX_MEF_MAX_BYTESEQ)) {
3324 mwifiex_dbg(priv->adapter, ERROR,
3325 "Pattern not supported\n");
3326 return -EOPNOTSUPP;
3327 }
3328
3329 if (!wowlan->patterns[i].pkt_offset) {
3330 if (!(byte_seq[0] & 0x01) &&
3331 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3332 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3333 continue;
3334 } else if (is_broadcast_ether_addr(byte_seq)) {
3335 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3336 continue;
3337 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3338 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3339 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3340 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3341 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3342 continue;
3343 }
3344 }
3345 mef_entry->filter[filt_num].repeat = 1;
3346 mef_entry->filter[filt_num].offset =
3347 wowlan->patterns[i].pkt_offset;
3348 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3349 sizeof(byte_seq));
3350 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3351
3352 if (first_pat) {
3353 first_pat = false;
3354 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3355 } else {
3356 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3357 }
3358
3359 filt_num++;
3360 }
3361
3362 if (wowlan->magic_pkt) {
3363 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3364 mef_entry->filter[filt_num].repeat = 16;
3365 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3366 ETH_ALEN);
3367 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3368 ETH_ALEN;
3369 mef_entry->filter[filt_num].offset = 28;
3370 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3371 if (filt_num)
3372 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3373
3374 filt_num++;
3375 mef_entry->filter[filt_num].repeat = 16;
3376 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3377 ETH_ALEN);
3378 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3379 ETH_ALEN;
3380 mef_entry->filter[filt_num].offset = 56;
3381 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3382 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3383 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3384 }
3385 return ret;
3386 }
3387
3388 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3389 struct cfg80211_wowlan *wowlan)
3390 {
3391 int ret = 0, num_entries = 1;
3392 struct mwifiex_ds_mef_cfg mef_cfg;
3393 struct mwifiex_mef_entry *mef_entry;
3394
3395 if (wowlan->n_patterns || wowlan->magic_pkt)
3396 num_entries++;
3397
3398 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3399 if (!mef_entry)
3400 return -ENOMEM;
3401
3402 memset(&mef_cfg, 0, sizeof(mef_cfg));
3403 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3404 MWIFIEX_CRITERIA_UNICAST;
3405 mef_cfg.num_entries = num_entries;
3406 mef_cfg.mef_entry = mef_entry;
3407
3408 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3409
3410 if (wowlan->n_patterns || wowlan->magic_pkt) {
3411 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3412 &mef_entry[1], wowlan);
3413 if (ret)
3414 goto err;
3415 }
3416
3417 if (!mef_cfg.criteria)
3418 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3419 MWIFIEX_CRITERIA_UNICAST |
3420 MWIFIEX_CRITERIA_MULTICAST;
3421
3422 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3423 HostCmd_ACT_GEN_SET, 0,
3424 &mef_cfg, true);
3425
3426 err:
3427 kfree(mef_entry);
3428 return ret;
3429 }
3430
3431 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3432 struct cfg80211_wowlan *wowlan)
3433 {
3434 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3435 struct mwifiex_ds_hs_cfg hs_cfg;
3436 int i, ret = 0, retry_num = 10;
3437 struct mwifiex_private *priv;
3438 struct mwifiex_private *sta_priv =
3439 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3440
3441 sta_priv->scan_aborting = true;
3442 for (i = 0; i < adapter->priv_num; i++) {
3443 priv = adapter->priv[i];
3444 mwifiex_abort_cac(priv);
3445 }
3446
3447 mwifiex_cancel_all_pending_cmd(adapter);
3448
3449 for (i = 0; i < adapter->priv_num; i++) {
3450 priv = adapter->priv[i];
3451 if (priv && priv->netdev)
3452 netif_device_detach(priv->netdev);
3453 }
3454
3455 for (i = 0; i < retry_num; i++) {
3456 if (!mwifiex_wmm_lists_empty(adapter) ||
3457 !mwifiex_bypass_txlist_empty(adapter) ||
3458 !skb_queue_empty(&adapter->tx_data_q))
3459 usleep_range(10000, 15000);
3460 else
3461 break;
3462 }
3463
3464 if (!wowlan) {
3465 mwifiex_dbg(adapter, ERROR,
3466 "None of the WOWLAN triggers enabled\n");
3467 ret = 0;
3468 goto done;
3469 }
3470
3471 if (!sta_priv->media_connected && !wowlan->nd_config) {
3472 mwifiex_dbg(adapter, ERROR,
3473 "Can not configure WOWLAN in disconnected state\n");
3474 ret = 0;
3475 goto done;
3476 }
3477
3478 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3479 if (ret) {
3480 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3481 goto done;
3482 }
3483
3484 memset(&hs_cfg, 0, sizeof(hs_cfg));
3485 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3486
3487 if (wowlan->nd_config) {
3488 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3489 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3490 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3491 wowlan->nd_config);
3492 }
3493
3494 if (wowlan->disconnect) {
3495 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3496 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3497 }
3498
3499 hs_cfg.is_invoke_hostcmd = false;
3500 hs_cfg.gpio = adapter->hs_cfg.gpio;
3501 hs_cfg.gap = adapter->hs_cfg.gap;
3502 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3503 MWIFIEX_SYNC_CMD, &hs_cfg);
3504 if (ret)
3505 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3506
3507 done:
3508 sta_priv->scan_aborting = false;
3509 return ret;
3510 }
3511
3512 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3513 {
3514 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3515 struct mwifiex_private *priv;
3516 struct mwifiex_ds_wakeup_reason wakeup_reason;
3517 struct cfg80211_wowlan_wakeup wakeup_report;
3518 int i;
3519 bool report_wakeup_reason = true;
3520
3521 for (i = 0; i < adapter->priv_num; i++) {
3522 priv = adapter->priv[i];
3523 if (priv && priv->netdev)
3524 netif_device_attach(priv->netdev);
3525 }
3526
3527 if (!wiphy->wowlan_config)
3528 goto done;
3529
3530 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3531 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3532 &wakeup_reason);
3533 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3534
3535 wakeup_report.pattern_idx = -1;
3536
3537 switch (wakeup_reason.hs_wakeup_reason) {
3538 case NO_HSWAKEUP_REASON:
3539 break;
3540 case BCAST_DATA_MATCHED:
3541 break;
3542 case MCAST_DATA_MATCHED:
3543 break;
3544 case UCAST_DATA_MATCHED:
3545 break;
3546 case MASKTABLE_EVENT_MATCHED:
3547 break;
3548 case NON_MASKABLE_EVENT_MATCHED:
3549 if (wiphy->wowlan_config->disconnect)
3550 wakeup_report.disconnect = true;
3551 if (wiphy->wowlan_config->nd_config)
3552 wakeup_report.net_detect = adapter->nd_info;
3553 break;
3554 case NON_MASKABLE_CONDITION_MATCHED:
3555 break;
3556 case MAGIC_PATTERN_MATCHED:
3557 if (wiphy->wowlan_config->magic_pkt)
3558 wakeup_report.magic_pkt = true;
3559 if (wiphy->wowlan_config->n_patterns)
3560 wakeup_report.pattern_idx = 1;
3561 break;
3562 case GTK_REKEY_FAILURE:
3563 if (wiphy->wowlan_config->gtk_rekey_failure)
3564 wakeup_report.gtk_rekey_failure = true;
3565 break;
3566 default:
3567 report_wakeup_reason = false;
3568 break;
3569 }
3570
3571 if (report_wakeup_reason)
3572 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3573 GFP_KERNEL);
3574
3575 done:
3576 if (adapter->nd_info) {
3577 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3578 kfree(adapter->nd_info->matches[i]);
3579 kfree(adapter->nd_info);
3580 adapter->nd_info = NULL;
3581 }
3582
3583 return 0;
3584 }
3585
3586 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3587 bool enabled)
3588 {
3589 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3590
3591 device_set_wakeup_enable(adapter->dev, enabled);
3592 }
3593
3594 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3595 struct cfg80211_gtk_rekey_data *data)
3596 {
3597 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3598
3599 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
3600 return -EOPNOTSUPP;
3601
3602 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3603 HostCmd_ACT_GEN_SET, 0, data, true);
3604 }
3605
3606 #endif
3607
3608 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3609 {
3610 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3611 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3612 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3613
3614 if ((byte_seq[0] & 0x01) &&
3615 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3616 return PACKET_TYPE_UNICAST;
3617 else if (!memcmp(byte_seq, bc_mac, 4))
3618 return PACKET_TYPE_BROADCAST;
3619 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3620 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3621 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3622 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3623 return PACKET_TYPE_MULTICAST;
3624
3625 return 0;
3626 }
3627
3628 static int
3629 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3630 struct cfg80211_coalesce_rules *crule,
3631 struct mwifiex_coalesce_rule *mrule)
3632 {
3633 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3634 struct filt_field_param *param;
3635 int i;
3636
3637 mrule->max_coalescing_delay = crule->delay;
3638
3639 param = mrule->params;
3640
3641 for (i = 0; i < crule->n_patterns; i++) {
3642 memset(byte_seq, 0, sizeof(byte_seq));
3643 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3644 byte_seq,
3645 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3646 mwifiex_dbg(priv->adapter, ERROR,
3647 "Pattern not supported\n");
3648 return -EOPNOTSUPP;
3649 }
3650
3651 if (!crule->patterns[i].pkt_offset) {
3652 u8 pkt_type;
3653
3654 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3655 if (pkt_type && mrule->pkt_type) {
3656 mwifiex_dbg(priv->adapter, ERROR,
3657 "Multiple packet types not allowed\n");
3658 return -EOPNOTSUPP;
3659 } else if (pkt_type) {
3660 mrule->pkt_type = pkt_type;
3661 continue;
3662 }
3663 }
3664
3665 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3666 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3667 else
3668 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3669
3670 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3671 memcpy(param->operand_byte_stream, byte_seq,
3672 param->operand_len);
3673 param->offset = crule->patterns[i].pkt_offset;
3674 param++;
3675
3676 mrule->num_of_fields++;
3677 }
3678
3679 if (!mrule->pkt_type) {
3680 mwifiex_dbg(priv->adapter, ERROR,
3681 "Packet type can not be determined\n");
3682 return -EOPNOTSUPP;
3683 }
3684
3685 return 0;
3686 }
3687
3688 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3689 struct cfg80211_coalesce *coalesce)
3690 {
3691 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3692 int i, ret;
3693 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3694 struct mwifiex_private *priv =
3695 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3696
3697 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3698 if (!coalesce) {
3699 mwifiex_dbg(adapter, WARN,
3700 "Disable coalesce and reset all previous rules\n");
3701 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3702 HostCmd_ACT_GEN_SET, 0,
3703 &coalesce_cfg, true);
3704 }
3705
3706 coalesce_cfg.num_of_rules = coalesce->n_rules;
3707 for (i = 0; i < coalesce->n_rules; i++) {
3708 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3709 &coalesce_cfg.rule[i]);
3710 if (ret) {
3711 mwifiex_dbg(adapter, ERROR,
3712 "Recheck the patterns provided for rule %d\n",
3713 i + 1);
3714 return ret;
3715 }
3716 }
3717
3718 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3719 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3720 }
3721
3722 /* cfg80211 ops handler for tdls_mgmt.
3723 * Function prepares TDLS action frame packets and forwards them to FW
3724 */
3725 static int
3726 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3727 const u8 *peer, u8 action_code, u8 dialog_token,
3728 u16 status_code, u32 peer_capability,
3729 bool initiator, const u8 *extra_ies,
3730 size_t extra_ies_len)
3731 {
3732 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3733 int ret;
3734
3735 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3736 return -ENOTSUPP;
3737
3738 /* make sure we are in station mode and connected */
3739 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3740 return -ENOTSUPP;
3741
3742 switch (action_code) {
3743 case WLAN_TDLS_SETUP_REQUEST:
3744 mwifiex_dbg(priv->adapter, MSG,
3745 "Send TDLS Setup Request to %pM status_code=%d\n",
3746 peer, status_code);
3747 mwifiex_add_auto_tdls_peer(priv, peer);
3748 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3749 dialog_token, status_code,
3750 extra_ies, extra_ies_len);
3751 break;
3752 case WLAN_TDLS_SETUP_RESPONSE:
3753 mwifiex_add_auto_tdls_peer(priv, peer);
3754 mwifiex_dbg(priv->adapter, MSG,
3755 "Send TDLS Setup Response to %pM status_code=%d\n",
3756 peer, status_code);
3757 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3758 dialog_token, status_code,
3759 extra_ies, extra_ies_len);
3760 break;
3761 case WLAN_TDLS_SETUP_CONFIRM:
3762 mwifiex_dbg(priv->adapter, MSG,
3763 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3764 status_code);
3765 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3766 dialog_token, status_code,
3767 extra_ies, extra_ies_len);
3768 break;
3769 case WLAN_TDLS_TEARDOWN:
3770 mwifiex_dbg(priv->adapter, MSG,
3771 "Send TDLS Tear down to %pM\n", peer);
3772 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3773 dialog_token, status_code,
3774 extra_ies, extra_ies_len);
3775 break;
3776 case WLAN_TDLS_DISCOVERY_REQUEST:
3777 mwifiex_dbg(priv->adapter, MSG,
3778 "Send TDLS Discovery Request to %pM\n", peer);
3779 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3780 dialog_token, status_code,
3781 extra_ies, extra_ies_len);
3782 break;
3783 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3784 mwifiex_dbg(priv->adapter, MSG,
3785 "Send TDLS Discovery Response to %pM\n", peer);
3786 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3787 dialog_token, status_code,
3788 extra_ies, extra_ies_len);
3789 break;
3790 default:
3791 mwifiex_dbg(priv->adapter, ERROR,
3792 "Unknown TDLS mgmt/action frame %pM\n", peer);
3793 ret = -EINVAL;
3794 break;
3795 }
3796
3797 return ret;
3798 }
3799
3800 static int
3801 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3802 const u8 *peer, enum nl80211_tdls_operation action)
3803 {
3804 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3805
3806 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3807 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3808 return -ENOTSUPP;
3809
3810 /* make sure we are in station mode and connected */
3811 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3812 return -ENOTSUPP;
3813
3814 mwifiex_dbg(priv->adapter, MSG,
3815 "TDLS peer=%pM, oper=%d\n", peer, action);
3816
3817 switch (action) {
3818 case NL80211_TDLS_ENABLE_LINK:
3819 action = MWIFIEX_TDLS_ENABLE_LINK;
3820 break;
3821 case NL80211_TDLS_DISABLE_LINK:
3822 action = MWIFIEX_TDLS_DISABLE_LINK;
3823 break;
3824 case NL80211_TDLS_TEARDOWN:
3825 /* shouldn't happen!*/
3826 mwifiex_dbg(priv->adapter, ERROR,
3827 "tdls_oper: teardown from driver not supported\n");
3828 return -EINVAL;
3829 case NL80211_TDLS_SETUP:
3830 /* shouldn't happen!*/
3831 mwifiex_dbg(priv->adapter, ERROR,
3832 "tdls_oper: setup from driver not supported\n");
3833 return -EINVAL;
3834 case NL80211_TDLS_DISCOVERY_REQ:
3835 /* shouldn't happen!*/
3836 mwifiex_dbg(priv->adapter, ERROR,
3837 "tdls_oper: discovery from driver not supported\n");
3838 return -EINVAL;
3839 default:
3840 mwifiex_dbg(priv->adapter, ERROR,
3841 "tdls_oper: operation not supported\n");
3842 return -ENOTSUPP;
3843 }
3844
3845 return mwifiex_tdls_oper(priv, peer, action);
3846 }
3847
3848 static int
3849 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3850 const u8 *addr, u8 oper_class,
3851 struct cfg80211_chan_def *chandef)
3852 {
3853 struct mwifiex_sta_node *sta_ptr;
3854 u16 chan;
3855 u8 second_chan_offset, band;
3856 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3857
3858 spin_lock_bh(&priv->sta_list_spinlock);
3859 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3860 if (!sta_ptr) {
3861 spin_unlock_bh(&priv->sta_list_spinlock);
3862 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3863 __func__, addr);
3864 return -ENOENT;
3865 }
3866
3867 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3868 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3869 spin_unlock_bh(&priv->sta_list_spinlock);
3870 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3871 return -ENOENT;
3872 }
3873
3874 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3875 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3876 spin_unlock_bh(&priv->sta_list_spinlock);
3877 wiphy_err(wiphy, "channel switch is running, abort request\n");
3878 return -EALREADY;
3879 }
3880 spin_unlock_bh(&priv->sta_list_spinlock);
3881
3882 chan = chandef->chan->hw_value;
3883 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3884 band = chandef->chan->band;
3885 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3886
3887 return 0;
3888 }
3889
3890 static void
3891 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3892 struct net_device *dev,
3893 const u8 *addr)
3894 {
3895 struct mwifiex_sta_node *sta_ptr;
3896 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3897
3898 spin_lock_bh(&priv->sta_list_spinlock);
3899 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3900 if (!sta_ptr) {
3901 spin_unlock_bh(&priv->sta_list_spinlock);
3902 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3903 __func__, addr);
3904 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3905 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3906 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3907 spin_unlock_bh(&priv->sta_list_spinlock);
3908 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3909 addr);
3910 } else {
3911 spin_unlock_bh(&priv->sta_list_spinlock);
3912 mwifiex_stop_tdls_cs(priv, addr);
3913 }
3914 }
3915
3916 static int
3917 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3918 const u8 *mac, struct station_parameters *params)
3919 {
3920 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3921
3922 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3923 return -ENOTSUPP;
3924
3925 /* make sure we are in station mode and connected */
3926 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3927 return -ENOTSUPP;
3928
3929 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3930 }
3931
3932 static int
3933 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3934 struct cfg80211_csa_settings *params)
3935 {
3936 struct ieee_types_header *chsw_ie;
3937 struct ieee80211_channel_sw_ie *channel_sw;
3938 int chsw_msec;
3939 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3940
3941 if (priv->adapter->scan_processing) {
3942 mwifiex_dbg(priv->adapter, ERROR,
3943 "radar detection: scan in process...\n");
3944 return -EBUSY;
3945 }
3946
3947 if (priv->wdev.cac_started)
3948 return -EBUSY;
3949
3950 if (cfg80211_chandef_identical(&params->chandef,
3951 &priv->dfs_chandef))
3952 return -EINVAL;
3953
3954 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3955 params->beacon_csa.tail,
3956 params->beacon_csa.tail_len);
3957 if (!chsw_ie) {
3958 mwifiex_dbg(priv->adapter, ERROR,
3959 "Could not parse channel switch announcement IE\n");
3960 return -EINVAL;
3961 }
3962
3963 channel_sw = (void *)(chsw_ie + 1);
3964 if (channel_sw->mode) {
3965 if (netif_carrier_ok(priv->netdev))
3966 netif_carrier_off(priv->netdev);
3967 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3968 }
3969
3970 if (mwifiex_del_mgmt_ies(priv))
3971 mwifiex_dbg(priv->adapter, ERROR,
3972 "Failed to delete mgmt IEs!\n");
3973
3974 if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
3975 mwifiex_dbg(priv->adapter, ERROR,
3976 "%s: setting mgmt ies failed\n", __func__);
3977 return -EFAULT;
3978 }
3979
3980 memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
3981 memcpy(&priv->beacon_after, &params->beacon_after,
3982 sizeof(priv->beacon_after));
3983
3984 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
3985 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
3986 msecs_to_jiffies(chsw_msec));
3987 return 0;
3988 }
3989
3990 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
3991 struct wireless_dev *wdev,
3992 struct cfg80211_chan_def *chandef)
3993 {
3994 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3995 struct mwifiex_bssdescriptor *curr_bss;
3996 struct ieee80211_channel *chan;
3997 enum nl80211_channel_type chan_type;
3998 enum nl80211_band band;
3999 int freq;
4000 int ret = -ENODATA;
4001
4002 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
4003 cfg80211_chandef_valid(&priv->bss_chandef)) {
4004 *chandef = priv->bss_chandef;
4005 ret = 0;
4006 } else if (priv->media_connected) {
4007 curr_bss = &priv->curr_bss_params.bss_descriptor;
4008 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
4009 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
4010 chan = ieee80211_get_channel(wiphy, freq);
4011
4012 if (priv->ht_param_present) {
4013 chan_type = mwifiex_get_chan_type(priv);
4014 cfg80211_chandef_create(chandef, chan, chan_type);
4015 } else {
4016 cfg80211_chandef_create(chandef, chan,
4017 NL80211_CHAN_NO_HT);
4018 }
4019 ret = 0;
4020 }
4021
4022 return ret;
4023 }
4024
4025 #ifdef CONFIG_NL80211_TESTMODE
4026
4027 enum mwifiex_tm_attr {
4028 __MWIFIEX_TM_ATTR_INVALID = 0,
4029 MWIFIEX_TM_ATTR_CMD = 1,
4030 MWIFIEX_TM_ATTR_DATA = 2,
4031
4032 /* keep last */
4033 __MWIFIEX_TM_ATTR_AFTER_LAST,
4034 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
4035 };
4036
4037 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
4038 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
4039 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
4040 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
4041 };
4042
4043 enum mwifiex_tm_command {
4044 MWIFIEX_TM_CMD_HOSTCMD = 0,
4045 };
4046
4047 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
4048 void *data, int len)
4049 {
4050 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4051 struct mwifiex_ds_misc_cmd *hostcmd;
4052 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
4053 struct sk_buff *skb;
4054 int err;
4055
4056 if (!priv)
4057 return -EINVAL;
4058
4059 err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len,
4060 mwifiex_tm_policy, NULL);
4061 if (err)
4062 return err;
4063
4064 if (!tb[MWIFIEX_TM_ATTR_CMD])
4065 return -EINVAL;
4066
4067 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4068 case MWIFIEX_TM_CMD_HOSTCMD:
4069 if (!tb[MWIFIEX_TM_ATTR_DATA])
4070 return -EINVAL;
4071
4072 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4073 if (!hostcmd)
4074 return -ENOMEM;
4075
4076 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4077 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4078 hostcmd->len);
4079
4080 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4081 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4082 kfree(hostcmd);
4083 return -EFAULT;
4084 }
4085
4086 /* process hostcmd response*/
4087 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4088 if (!skb) {
4089 kfree(hostcmd);
4090 return -ENOMEM;
4091 }
4092 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4093 hostcmd->len, hostcmd->cmd);
4094 if (err) {
4095 kfree(hostcmd);
4096 kfree_skb(skb);
4097 return -EMSGSIZE;
4098 }
4099
4100 err = cfg80211_testmode_reply(skb);
4101 kfree(hostcmd);
4102 return err;
4103 default:
4104 return -EOPNOTSUPP;
4105 }
4106 }
4107 #endif
4108
4109 static int
4110 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4111 struct net_device *dev,
4112 struct cfg80211_chan_def *chandef,
4113 u32 cac_time_ms)
4114 {
4115 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4116 struct mwifiex_radar_params radar_params;
4117
4118 if (priv->adapter->scan_processing) {
4119 mwifiex_dbg(priv->adapter, ERROR,
4120 "radar detection: scan already in process...\n");
4121 return -EBUSY;
4122 }
4123
4124 if (!mwifiex_is_11h_active(priv)) {
4125 mwifiex_dbg(priv->adapter, INFO,
4126 "Enable 11h extensions in FW\n");
4127 if (mwifiex_11h_activate(priv, true)) {
4128 mwifiex_dbg(priv->adapter, ERROR,
4129 "Failed to activate 11h extensions!!");
4130 return -1;
4131 }
4132 priv->state_11h.is_11h_active = true;
4133 }
4134
4135 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4136 radar_params.chandef = chandef;
4137 radar_params.cac_time_ms = cac_time_ms;
4138
4139 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4140
4141 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4142 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4143 return -1;
4144
4145 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4146 msecs_to_jiffies(cac_time_ms));
4147 return 0;
4148 }
4149
4150 static int
4151 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4152 const u8 *mac,
4153 struct station_parameters *params)
4154 {
4155 int ret;
4156 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4157
4158 /* we support change_station handler only for TDLS peers*/
4159 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4160 return -ENOTSUPP;
4161
4162 /* make sure we are in station mode and connected */
4163 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4164 return -ENOTSUPP;
4165
4166 priv->sta_params = params;
4167
4168 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4169 priv->sta_params = NULL;
4170
4171 return ret;
4172 }
4173
4174 /* station cfg80211 operations */
4175 static struct cfg80211_ops mwifiex_cfg80211_ops = {
4176 .add_virtual_intf = mwifiex_add_virtual_intf,
4177 .del_virtual_intf = mwifiex_del_virtual_intf,
4178 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4179 .scan = mwifiex_cfg80211_scan,
4180 .connect = mwifiex_cfg80211_connect,
4181 .disconnect = mwifiex_cfg80211_disconnect,
4182 .get_station = mwifiex_cfg80211_get_station,
4183 .dump_station = mwifiex_cfg80211_dump_station,
4184 .dump_survey = mwifiex_cfg80211_dump_survey,
4185 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4186 .join_ibss = mwifiex_cfg80211_join_ibss,
4187 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4188 .add_key = mwifiex_cfg80211_add_key,
4189 .del_key = mwifiex_cfg80211_del_key,
4190 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4191 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4192 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
4193 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4194 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4195 .set_default_key = mwifiex_cfg80211_set_default_key,
4196 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4197 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4198 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4199 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4200 .start_ap = mwifiex_cfg80211_start_ap,
4201 .stop_ap = mwifiex_cfg80211_stop_ap,
4202 .change_beacon = mwifiex_cfg80211_change_beacon,
4203 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4204 .set_antenna = mwifiex_cfg80211_set_antenna,
4205 .get_antenna = mwifiex_cfg80211_get_antenna,
4206 .del_station = mwifiex_cfg80211_del_station,
4207 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4208 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4209 #ifdef CONFIG_PM
4210 .suspend = mwifiex_cfg80211_suspend,
4211 .resume = mwifiex_cfg80211_resume,
4212 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4213 .set_rekey_data = mwifiex_set_rekey_data,
4214 #endif
4215 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4216 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4217 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4218 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4219 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4220 .add_station = mwifiex_cfg80211_add_station,
4221 .change_station = mwifiex_cfg80211_change_station,
4222 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4223 .get_channel = mwifiex_cfg80211_get_channel,
4224 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4225 .channel_switch = mwifiex_cfg80211_channel_switch,
4226 };
4227
4228 #ifdef CONFIG_PM
4229 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4230 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4231 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4232 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4233 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4234 .pattern_min_len = 1,
4235 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4236 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4237 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4238 };
4239
4240 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = {
4241 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4242 WIPHY_WOWLAN_NET_DETECT,
4243 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4244 .pattern_min_len = 1,
4245 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4246 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4247 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4248 };
4249 #endif
4250
4251 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4252 {
4253 if (!alpha2 || strlen(alpha2) != 2)
4254 return false;
4255
4256 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4257 return true;
4258
4259 return false;
4260 }
4261
4262 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4263 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4264 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4265 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4266 .pattern_min_len = 1,
4267 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4268 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4269 };
4270
4271 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4272 {
4273 u32 n_channels_bg, n_channels_a = 0;
4274
4275 n_channels_bg = mwifiex_band_2ghz.n_channels;
4276
4277 if (adapter->config_bands & BAND_A)
4278 n_channels_a = mwifiex_band_5ghz.n_channels;
4279
4280 /* allocate twice the number total channels, since the driver issues an
4281 * additional active scan request for hidden SSIDs on passive channels.
4282 */
4283 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a);
4284 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats),
4285 adapter->num_in_chan_stats));
4286
4287 if (!adapter->chan_stats)
4288 return -ENOMEM;
4289
4290 return 0;
4291 }
4292
4293 /*
4294 * This function registers the device with CFG802.11 subsystem.
4295 *
4296 * The function creates the wireless device/wiphy, populates it with
4297 * default parameters and handler function pointers, and finally
4298 * registers the device.
4299 */
4300
4301 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4302 {
4303 int ret;
4304 void *wdev_priv;
4305 struct wiphy *wiphy;
4306 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4307 u8 *country_code;
4308 u32 thr, retry;
4309
4310 /* create a new wiphy for use with cfg80211 */
4311 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4312 sizeof(struct mwifiex_adapter *));
4313 if (!wiphy) {
4314 mwifiex_dbg(adapter, ERROR,
4315 "%s: creating new wiphy\n", __func__);
4316 return -ENOMEM;
4317 }
4318 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4319 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4320 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4321 wiphy->max_remain_on_channel_duration = 5000;
4322 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4323 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4324 BIT(NL80211_IFTYPE_P2P_GO) |
4325 BIT(NL80211_IFTYPE_AP);
4326
4327 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4328 wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
4329
4330 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
4331 if (adapter->config_bands & BAND_A)
4332 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
4333 else
4334 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4335
4336 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4337 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4338 else if (adapter->is_hw_11ac_capable)
4339 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4340 else
4341 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4342 wiphy->n_iface_combinations = 1;
4343
4344 /* Initialize cipher suits */
4345 wiphy->cipher_suites = mwifiex_cipher_suites;
4346 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4347
4348 if (adapter->regd) {
4349 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4350 REGULATORY_DISABLE_BEACON_HINTS |
4351 REGULATORY_COUNTRY_IE_IGNORE;
4352 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4353 }
4354
4355 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4356 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4357 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4358 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4359 WIPHY_FLAG_AP_UAPSD |
4360 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4361 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4362 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4363
4364 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4365 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4366 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4367
4368 #ifdef CONFIG_PM
4369 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
4370 wiphy->wowlan = &mwifiex_wowlan_support;
4371 else
4372 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk;
4373 #endif
4374
4375 wiphy->coalesce = &mwifiex_coalesce_support;
4376
4377 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4378 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4379 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4380
4381 wiphy->max_sched_scan_reqs = 1;
4382 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4383 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4384 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4385
4386 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4387 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4388
4389 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER |
4390 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4391 NL80211_FEATURE_NEED_OBSS_SCAN;
4392
4393 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4394 wiphy->features |= NL80211_FEATURE_HT_IBSS;
4395
4396 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info))
4397 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4398 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4399 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4400
4401 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4402 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4403
4404 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4405 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4406
4407 /* Reserve space for mwifiex specific private data for BSS */
4408 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4409
4410 wiphy->reg_notifier = mwifiex_reg_notifier;
4411
4412 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4413 wdev_priv = wiphy_priv(wiphy);
4414 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4415
4416 set_wiphy_dev(wiphy, priv->adapter->dev);
4417
4418 ret = wiphy_register(wiphy);
4419 if (ret < 0) {
4420 mwifiex_dbg(adapter, ERROR,
4421 "%s: wiphy_register failed: %d\n", __func__, ret);
4422 wiphy_free(wiphy);
4423 return ret;
4424 }
4425
4426 if (!adapter->regd) {
4427 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4428 mwifiex_dbg(adapter, INFO,
4429 "driver hint alpha2: %2.2s\n", reg_alpha2);
4430 regulatory_hint(wiphy, reg_alpha2);
4431 } else {
4432 if (adapter->region_code == 0x00) {
4433 mwifiex_dbg(adapter, WARN,
4434 "Ignore world regulatory domain\n");
4435 } else {
4436 wiphy->regulatory_flags |=
4437 REGULATORY_DISABLE_BEACON_HINTS |
4438 REGULATORY_COUNTRY_IE_IGNORE;
4439 country_code =
4440 mwifiex_11d_code_2_region(
4441 adapter->region_code);
4442 if (country_code &&
4443 regulatory_hint(wiphy, country_code))
4444 mwifiex_dbg(priv->adapter, ERROR,
4445 "regulatory_hint() failed\n");
4446 }
4447 }
4448 }
4449
4450 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4451 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4452 wiphy->frag_threshold = thr;
4453 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4454 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4455 wiphy->rts_threshold = thr;
4456 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4457 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4458 wiphy->retry_short = (u8) retry;
4459 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4460 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4461 wiphy->retry_long = (u8) retry;
4462
4463 adapter->wiphy = wiphy;
4464 return ret;
4465 }
Linux with added FPC-III support