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mwifiex: avoid storing random_mac in private
[linux-2.6/btrfs-unstable.git] / drivers / net / wireless / marvell / mwifiex / cfg80211.c
blobf28040c45d863cf38e07e51cbf7841973d44ef2b
1 /*
2 * Marvell Wireless LAN device driver: CFG80211
3 *
4 * Copyright (C) 2011-2014, Marvell International Ltd.
5 *
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20 #include "cfg80211.h"
21 #include "main.h"
22 #include "11n.h"
23 #include "wmm.h"
24
25 static char *reg_alpha2;
26 module_param(reg_alpha2, charp, 0);
27
28 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
29 {
30 .max = 3, .types = BIT(NL80211_IFTYPE_STATION) |
31 BIT(NL80211_IFTYPE_P2P_GO) |
32 BIT(NL80211_IFTYPE_P2P_CLIENT) |
33 BIT(NL80211_IFTYPE_AP),
34 },
35 };
36
37 static const struct ieee80211_iface_combination
38 mwifiex_iface_comb_ap_sta = {
39 .limits = mwifiex_ap_sta_limits,
40 .num_different_channels = 1,
41 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
42 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
43 .beacon_int_infra_match = true,
44 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
45 BIT(NL80211_CHAN_WIDTH_20) |
46 BIT(NL80211_CHAN_WIDTH_40),
47 };
48
49 static const struct ieee80211_iface_combination
50 mwifiex_iface_comb_ap_sta_vht = {
51 .limits = mwifiex_ap_sta_limits,
52 .num_different_channels = 1,
53 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
54 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
55 .beacon_int_infra_match = true,
56 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
57 BIT(NL80211_CHAN_WIDTH_20) |
58 BIT(NL80211_CHAN_WIDTH_40) |
59 BIT(NL80211_CHAN_WIDTH_80),
60 };
61
62 static const struct
63 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
64 .limits = mwifiex_ap_sta_limits,
65 .num_different_channels = 2,
66 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
67 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
68 .beacon_int_infra_match = true,
69 };
70
71 /*
72 * This function maps the nl802.11 channel type into driver channel type.
73 *
74 * The mapping is as follows -
75 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
76 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
77 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
78 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
79 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
80 */
81 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
82 {
83 switch (chan_type) {
84 case NL80211_CHAN_NO_HT:
85 case NL80211_CHAN_HT20:
86 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
87 case NL80211_CHAN_HT40PLUS:
88 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
89 case NL80211_CHAN_HT40MINUS:
90 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
91 default:
92 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
93 }
94 }
95
96 /* This function maps IEEE HT secondary channel type to NL80211 channel type
97 */
98 u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset)
99 {
100 switch (second_chan_offset) {
101 case IEEE80211_HT_PARAM_CHA_SEC_NONE:
102 return NL80211_CHAN_HT20;
103 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
104 return NL80211_CHAN_HT40PLUS;
105 case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
106 return NL80211_CHAN_HT40MINUS;
107 default:
108 return NL80211_CHAN_HT20;
109 }
110 }
111
112 /*
113 * This function checks whether WEP is set.
114 */
115 static int
116 mwifiex_is_alg_wep(u32 cipher)
117 {
118 switch (cipher) {
119 case WLAN_CIPHER_SUITE_WEP40:
120 case WLAN_CIPHER_SUITE_WEP104:
121 return 1;
122 default:
123 break;
124 }
125
126 return 0;
127 }
128
129 /*
130 * This function retrieves the private structure from kernel wiphy structure.
131 */
132 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
133 {
134 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
135 }
136
137 /*
138 * CFG802.11 operation handler to delete a network key.
139 */
140 static int
141 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
142 u8 key_index, bool pairwise, const u8 *mac_addr)
143 {
144 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
145 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
146 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
147
148 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
149 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
150 return -EFAULT;
151 }
152
153 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
154 return 0;
155 }
156
157 /*
158 * This function forms an skb for management frame.
159 */
160 static int
161 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
162 {
163 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
164 u16 pkt_len;
165 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
166
167 pkt_len = len + ETH_ALEN;
168
169 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
170 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
171 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
172
173 memcpy(skb_push(skb, sizeof(tx_control)),
174 &tx_control, sizeof(tx_control));
175
176 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
177
178 /* Add packet data and address4 */
179 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr));
180 skb_put_data(skb, addr, ETH_ALEN);
181 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr),
182 len - sizeof(struct ieee80211_hdr_3addr));
183
184 skb->priority = LOW_PRIO_TID;
185 __net_timestamp(skb);
186
187 return 0;
188 }
189
190 /*
191 * CFG802.11 operation handler to transmit a management frame.
192 */
193 static int
194 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
195 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
196 {
197 const u8 *buf = params->buf;
198 size_t len = params->len;
199 struct sk_buff *skb;
200 u16 pkt_len;
201 const struct ieee80211_mgmt *mgmt;
202 struct mwifiex_txinfo *tx_info;
203 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
204
205 if (!buf || !len) {
206 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
207 return -EFAULT;
208 }
209
210 mgmt = (const struct ieee80211_mgmt *)buf;
211 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
212 ieee80211_is_probe_resp(mgmt->frame_control)) {
213 /* Since we support offload probe resp, we need to skip probe
214 * resp in AP or GO mode */
215 mwifiex_dbg(priv->adapter, INFO,
216 "info: skip to send probe resp in AP or GO mode\n");
217 return 0;
218 }
219
220 pkt_len = len + ETH_ALEN;
221 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
222 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
223 pkt_len + sizeof(pkt_len));
224
225 if (!skb) {
226 mwifiex_dbg(priv->adapter, ERROR,
227 "allocate skb failed for management frame\n");
228 return -ENOMEM;
229 }
230
231 tx_info = MWIFIEX_SKB_TXCB(skb);
232 memset(tx_info, 0, sizeof(*tx_info));
233 tx_info->bss_num = priv->bss_num;
234 tx_info->bss_type = priv->bss_type;
235 tx_info->pkt_len = pkt_len;
236
237 mwifiex_form_mgmt_frame(skb, buf, len);
238 *cookie = prandom_u32() | 1;
239
240 if (ieee80211_is_action(mgmt->frame_control))
241 skb = mwifiex_clone_skb_for_tx_status(priv,
242 skb,
243 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
244 else
245 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
246 GFP_ATOMIC);
247
248 mwifiex_queue_tx_pkt(priv, skb);
249
250 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
251 return 0;
252 }
253
254 /*
255 * CFG802.11 operation handler to register a mgmt frame.
256 */
257 static void
258 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
259 struct wireless_dev *wdev,
260 u16 frame_type, bool reg)
261 {
262 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
263 u32 mask;
264
265 if (reg)
266 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
267 else
268 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
269
270 if (mask != priv->mgmt_frame_mask) {
271 priv->mgmt_frame_mask = mask;
272 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
273 HostCmd_ACT_GEN_SET, 0,
274 &priv->mgmt_frame_mask, false);
275 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
276 }
277 }
278
279 /*
280 * CFG802.11 operation handler to remain on channel.
281 */
282 static int
283 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
284 struct wireless_dev *wdev,
285 struct ieee80211_channel *chan,
286 unsigned int duration, u64 *cookie)
287 {
288 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
289 int ret;
290
291 if (!chan || !cookie) {
292 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
293 return -EINVAL;
294 }
295
296 if (priv->roc_cfg.cookie) {
297 mwifiex_dbg(priv->adapter, INFO,
298 "info: ongoing ROC, cookie = 0x%llx\n",
299 priv->roc_cfg.cookie);
300 return -EBUSY;
301 }
302
303 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
304 duration);
305
306 if (!ret) {
307 *cookie = prandom_u32() | 1;
308 priv->roc_cfg.cookie = *cookie;
309 priv->roc_cfg.chan = *chan;
310
311 cfg80211_ready_on_channel(wdev, *cookie, chan,
312 duration, GFP_ATOMIC);
313
314 mwifiex_dbg(priv->adapter, INFO,
315 "info: ROC, cookie = 0x%llx\n", *cookie);
316 }
317
318 return ret;
319 }
320
321 /*
322 * CFG802.11 operation handler to cancel remain on channel.
323 */
324 static int
325 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
326 struct wireless_dev *wdev, u64 cookie)
327 {
328 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
329 int ret;
330
331 if (cookie != priv->roc_cfg.cookie)
332 return -ENOENT;
333
334 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
335 &priv->roc_cfg.chan, 0);
336
337 if (!ret) {
338 cfg80211_remain_on_channel_expired(wdev, cookie,
339 &priv->roc_cfg.chan,
340 GFP_ATOMIC);
341
342 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
343
344 mwifiex_dbg(priv->adapter, INFO,
345 "info: cancel ROC, cookie = 0x%llx\n", cookie);
346 }
347
348 return ret;
349 }
350
351 /*
352 * CFG802.11 operation handler to set Tx power.
353 */
354 static int
355 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
356 struct wireless_dev *wdev,
357 enum nl80211_tx_power_setting type,
358 int mbm)
359 {
360 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
361 struct mwifiex_private *priv;
362 struct mwifiex_power_cfg power_cfg;
363 int dbm = MBM_TO_DBM(mbm);
364
365 if (type == NL80211_TX_POWER_FIXED) {
366 power_cfg.is_power_auto = 0;
367 power_cfg.power_level = dbm;
368 } else {
369 power_cfg.is_power_auto = 1;
370 }
371
372 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
373
374 return mwifiex_set_tx_power(priv, &power_cfg);
375 }
376
377 /*
378 * CFG802.11 operation handler to get Tx power.
379 */
380 static int
381 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
382 struct wireless_dev *wdev,
383 int *dbm)
384 {
385 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
386 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
387 MWIFIEX_BSS_ROLE_ANY);
388 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
389 HostCmd_ACT_GEN_GET, 0, NULL, true);
390
391 if (ret < 0)
392 return ret;
393
394 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
395 *dbm = priv->tx_power_level;
396
397 return 0;
398 }
399
400 /*
401 * CFG802.11 operation handler to set Power Save option.
402 *
403 * The timeout value, if provided, is currently ignored.
404 */
405 static int
406 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
407 struct net_device *dev,
408 bool enabled, int timeout)
409 {
410 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
411 u32 ps_mode;
412
413 if (timeout)
414 mwifiex_dbg(priv->adapter, INFO,
415 "info: ignore timeout value for IEEE Power Save\n");
416
417 ps_mode = enabled;
418
419 return mwifiex_drv_set_power(priv, &ps_mode);
420 }
421
422 /*
423 * CFG802.11 operation handler to set the default network key.
424 */
425 static int
426 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
427 u8 key_index, bool unicast,
428 bool multicast)
429 {
430 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
431
432 /* Return if WEP key not configured */
433 if (!priv->sec_info.wep_enabled)
434 return 0;
435
436 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
437 priv->wep_key_curr_index = key_index;
438 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
439 NULL, 0)) {
440 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
441 return -EFAULT;
442 }
443
444 return 0;
445 }
446
447 /*
448 * CFG802.11 operation handler to add a network key.
449 */
450 static int
451 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
452 u8 key_index, bool pairwise, const u8 *mac_addr,
453 struct key_params *params)
454 {
455 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
456 struct mwifiex_wep_key *wep_key;
457 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
458 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
459
460 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
461 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
462 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
463 if (params->key && params->key_len) {
464 wep_key = &priv->wep_key[key_index];
465 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
466 memcpy(wep_key->key_material, params->key,
467 params->key_len);
468 wep_key->key_index = key_index;
469 wep_key->key_length = params->key_len;
470 priv->sec_info.wep_enabled = 1;
471 }
472 return 0;
473 }
474
475 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
476 key_index, peer_mac, 0)) {
477 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
478 return -EFAULT;
479 }
480
481 return 0;
482 }
483
484 /*
485 * CFG802.11 operation handler to set default mgmt key.
486 */
487 static int
488 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
489 struct net_device *netdev,
490 u8 key_index)
491 {
492 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
493 struct mwifiex_ds_encrypt_key encrypt_key;
494
495 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);
496
497 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
498 encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
499 encrypt_key.key_index = key_index;
500 encrypt_key.is_igtk_def_key = true;
501 eth_broadcast_addr(encrypt_key.mac_addr);
502
503 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
504 HostCmd_ACT_GEN_SET, true, &encrypt_key, true);
505 }
506
507 /*
508 * This function sends domain information to the firmware.
509 *
510 * The following information are passed to the firmware -
511 * - Country codes
512 * - Sub bands (first channel, number of channels, maximum Tx power)
513 */
514 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
515 {
516 u8 no_of_triplet = 0;
517 struct ieee80211_country_ie_triplet *t;
518 u8 no_of_parsed_chan = 0;
519 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
520 u8 i, flag = 0;
521 enum nl80211_band band;
522 struct ieee80211_supported_band *sband;
523 struct ieee80211_channel *ch;
524 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
525 struct mwifiex_private *priv;
526 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
527
528 /* Set country code */
529 domain_info->country_code[0] = adapter->country_code[0];
530 domain_info->country_code[1] = adapter->country_code[1];
531 domain_info->country_code[2] = ' ';
532
533 band = mwifiex_band_to_radio_type(adapter->config_bands);
534 if (!wiphy->bands[band]) {
535 mwifiex_dbg(adapter, ERROR,
536 "11D: setting domain info in FW\n");
537 return -1;
538 }
539
540 sband = wiphy->bands[band];
541
542 for (i = 0; i < sband->n_channels ; i++) {
543 ch = &sband->channels[i];
544 if (ch->flags & IEEE80211_CHAN_DISABLED)
545 continue;
546
547 if (!flag) {
548 flag = 1;
549 first_chan = (u32) ch->hw_value;
550 next_chan = first_chan;
551 max_pwr = ch->max_power;
552 no_of_parsed_chan = 1;
553 continue;
554 }
555
556 if (ch->hw_value == next_chan + 1 &&
557 ch->max_power == max_pwr) {
558 next_chan++;
559 no_of_parsed_chan++;
560 } else {
561 t = &domain_info->triplet[no_of_triplet];
562 t->chans.first_channel = first_chan;
563 t->chans.num_channels = no_of_parsed_chan;
564 t->chans.max_power = max_pwr;
565 no_of_triplet++;
566 first_chan = (u32) ch->hw_value;
567 next_chan = first_chan;
568 max_pwr = ch->max_power;
569 no_of_parsed_chan = 1;
570 }
571 }
572
573 if (flag) {
574 t = &domain_info->triplet[no_of_triplet];
575 t->chans.first_channel = first_chan;
576 t->chans.num_channels = no_of_parsed_chan;
577 t->chans.max_power = max_pwr;
578 no_of_triplet++;
579 }
580
581 domain_info->no_of_triplet = no_of_triplet;
582
583 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
584
585 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
586 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
587 mwifiex_dbg(adapter, INFO,
588 "11D: setting domain info in FW\n");
589 return -1;
590 }
591
592 return 0;
593 }
594
595 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
596 {
597 struct ieee80211_supported_band *sband;
598 struct ieee80211_channel *chan;
599 unsigned int i;
600
601 if (!wiphy->bands[NL80211_BAND_5GHZ])
602 return;
603 sband = wiphy->bands[NL80211_BAND_5GHZ];
604
605 for (i = 0; i < sband->n_channels; i++) {
606 chan = &sband->channels[i];
607 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
608 (chan->flags & IEEE80211_CHAN_RADAR))
609 chan->flags |= IEEE80211_CHAN_NO_IR;
610 }
611 }
612
613 /*
614 * CFG802.11 regulatory domain callback function.
615 *
616 * This function is called when the regulatory domain is changed due to the
617 * following reasons -
618 * - Set by driver
619 * - Set by system core
620 * - Set by user
621 * - Set bt Country IE
622 */
623 static void mwifiex_reg_notifier(struct wiphy *wiphy,
624 struct regulatory_request *request)
625 {
626 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
627 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
628 MWIFIEX_BSS_ROLE_ANY);
629 mwifiex_dbg(adapter, INFO,
630 "info: cfg80211 regulatory domain callback for %c%c\n",
631 request->alpha2[0], request->alpha2[1]);
632 mwifiex_reg_apply_radar_flags(wiphy);
633
634 switch (request->initiator) {
635 case NL80211_REGDOM_SET_BY_DRIVER:
636 case NL80211_REGDOM_SET_BY_CORE:
637 case NL80211_REGDOM_SET_BY_USER:
638 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
639 break;
640 default:
641 mwifiex_dbg(adapter, ERROR,
642 "unknown regdom initiator: %d\n",
643 request->initiator);
644 return;
645 }
646
647 /* Don't send world or same regdom info to firmware */
648 if (strncmp(request->alpha2, "00", 2) &&
649 strncmp(request->alpha2, adapter->country_code,
650 sizeof(request->alpha2))) {
651 memcpy(adapter->country_code, request->alpha2,
652 sizeof(request->alpha2));
653 mwifiex_send_domain_info_cmd_fw(wiphy);
654 mwifiex_dnld_txpwr_table(priv);
655 }
656 }
657
658 /*
659 * This function sets the fragmentation threshold.
660 *
661 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
662 * and MWIFIEX_FRAG_MAX_VALUE.
663 */
664 static int
665 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
666 {
667 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
668 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
669 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
670
671 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
672 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
673 &frag_thr, true);
674 }
675
676 /*
677 * This function sets the RTS threshold.
678
679 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
680 * and MWIFIEX_RTS_MAX_VALUE.
681 */
682 static int
683 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
684 {
685 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
686 rts_thr = MWIFIEX_RTS_MAX_VALUE;
687
688 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
689 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
690 &rts_thr, true);
691 }
692
693 /*
694 * CFG802.11 operation handler to set wiphy parameters.
695 *
696 * This function can be used to set the RTS threshold and the
697 * Fragmentation threshold of the driver.
698 */
699 static int
700 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
701 {
702 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
703 struct mwifiex_private *priv;
704 struct mwifiex_uap_bss_param *bss_cfg;
705 int ret;
706
707 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
708
709 switch (priv->bss_role) {
710 case MWIFIEX_BSS_ROLE_UAP:
711 if (priv->bss_started) {
712 mwifiex_dbg(adapter, ERROR,
713 "cannot change wiphy params when bss started");
714 return -EINVAL;
715 }
716
717 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
718 if (!bss_cfg)
719 return -ENOMEM;
720
721 mwifiex_set_sys_config_invalid_data(bss_cfg);
722
723 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
724 bss_cfg->rts_threshold = wiphy->rts_threshold;
725 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
726 bss_cfg->frag_threshold = wiphy->frag_threshold;
727 if (changed & WIPHY_PARAM_RETRY_LONG)
728 bss_cfg->retry_limit = wiphy->retry_long;
729
730 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
731 HostCmd_ACT_GEN_SET,
732 UAP_BSS_PARAMS_I, bss_cfg,
733 false);
734
735 kfree(bss_cfg);
736 if (ret) {
737 mwifiex_dbg(adapter, ERROR,
738 "Failed to set wiphy phy params\n");
739 return ret;
740 }
741 break;
742
743 case MWIFIEX_BSS_ROLE_STA:
744 if (priv->media_connected) {
745 mwifiex_dbg(adapter, ERROR,
746 "cannot change wiphy params when connected");
747 return -EINVAL;
748 }
749 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
750 ret = mwifiex_set_rts(priv,
751 wiphy->rts_threshold);
752 if (ret)
753 return ret;
754 }
755 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
756 ret = mwifiex_set_frag(priv,
757 wiphy->frag_threshold);
758 if (ret)
759 return ret;
760 }
761 break;
762 }
763
764 return 0;
765 }
766
767 static int
768 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
769 {
770 u16 mode = P2P_MODE_DISABLE;
771
772 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
773 HostCmd_ACT_GEN_SET, 0, &mode, true))
774 return -1;
775
776 return 0;
777 }
778
779 /*
780 * This function initializes the functionalities for P2P client.
781 * The P2P client initialization sequence is:
782 * disable -> device -> client
783 */
784 static int
785 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
786 {
787 u16 mode;
788
789 if (mwifiex_cfg80211_deinit_p2p(priv))
790 return -1;
791
792 mode = P2P_MODE_DEVICE;
793 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
794 HostCmd_ACT_GEN_SET, 0, &mode, true))
795 return -1;
796
797 mode = P2P_MODE_CLIENT;
798 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
799 HostCmd_ACT_GEN_SET, 0, &mode, true))
800 return -1;
801
802 return 0;
803 }
804
805 /*
806 * This function initializes the functionalities for P2P GO.
807 * The P2P GO initialization sequence is:
808 * disable -> device -> GO
809 */
810 static int
811 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
812 {
813 u16 mode;
814
815 if (mwifiex_cfg80211_deinit_p2p(priv))
816 return -1;
817
818 mode = P2P_MODE_DEVICE;
819 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
820 HostCmd_ACT_GEN_SET, 0, &mode, true))
821 return -1;
822
823 mode = P2P_MODE_GO;
824 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
825 HostCmd_ACT_GEN_SET, 0, &mode, true))
826 return -1;
827
828 return 0;
829 }
830
831 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
832 {
833 struct mwifiex_adapter *adapter = priv->adapter;
834 unsigned long flags;
835
836 priv->mgmt_frame_mask = 0;
837 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
838 HostCmd_ACT_GEN_SET, 0,
839 &priv->mgmt_frame_mask, false)) {
840 mwifiex_dbg(adapter, ERROR,
841 "could not unregister mgmt frame rx\n");
842 return -1;
843 }
844
845 mwifiex_deauthenticate(priv, NULL);
846
847 spin_lock_irqsave(&adapter->main_proc_lock, flags);
848 adapter->main_locked = true;
849 if (adapter->mwifiex_processing) {
850 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
851 flush_workqueue(adapter->workqueue);
852 } else {
853 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
854 }
855
856 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
857 adapter->rx_locked = true;
858 if (adapter->rx_processing) {
859 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
860 flush_workqueue(adapter->rx_workqueue);
861 } else {
862 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
863 }
864
865 mwifiex_free_priv(priv);
866 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
867 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
868 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
869
870 return 0;
871 }
872
873 static int
874 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
875 struct net_device *dev,
876 enum nl80211_iftype type)
877 {
878 struct mwifiex_adapter *adapter = priv->adapter;
879 unsigned long flags;
880
881 mwifiex_init_priv(priv);
882
883 priv->bss_mode = type;
884 priv->wdev.iftype = type;
885
886 mwifiex_init_priv_params(priv, priv->netdev);
887 priv->bss_started = 0;
888
889 switch (type) {
890 case NL80211_IFTYPE_STATION:
891 case NL80211_IFTYPE_ADHOC:
892 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
893 break;
894 case NL80211_IFTYPE_P2P_CLIENT:
895 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
896 break;
897 case NL80211_IFTYPE_P2P_GO:
898 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
899 break;
900 case NL80211_IFTYPE_AP:
901 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
902 break;
903 default:
904 mwifiex_dbg(adapter, ERROR,
905 "%s: changing to %d not supported\n",
906 dev->name, type);
907 return -EOPNOTSUPP;
908 }
909
910 spin_lock_irqsave(&adapter->main_proc_lock, flags);
911 adapter->main_locked = false;
912 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
913
914 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
915 adapter->rx_locked = false;
916 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
917
918 mwifiex_set_mac_address(priv, dev);
919
920 return 0;
921 }
922
923 static int
924 mwifiex_change_vif_to_p2p(struct net_device *dev,
925 enum nl80211_iftype curr_iftype,
926 enum nl80211_iftype type,
927 struct vif_params *params)
928 {
929 struct mwifiex_private *priv;
930 struct mwifiex_adapter *adapter;
931
932 priv = mwifiex_netdev_get_priv(dev);
933
934 if (!priv)
935 return -1;
936
937 adapter = priv->adapter;
938
939 if (adapter->curr_iface_comb.p2p_intf ==
940 adapter->iface_limit.p2p_intf) {
941 mwifiex_dbg(adapter, ERROR,
942 "cannot create multiple P2P ifaces\n");
943 return -1;
944 }
945
946 mwifiex_dbg(adapter, INFO,
947 "%s: changing role to p2p\n", dev->name);
948
949 if (mwifiex_deinit_priv_params(priv))
950 return -1;
951 if (mwifiex_init_new_priv_params(priv, dev, type))
952 return -1;
953
954 switch (type) {
955 case NL80211_IFTYPE_P2P_CLIENT:
956 if (mwifiex_cfg80211_init_p2p_client(priv))
957 return -EFAULT;
958 break;
959 case NL80211_IFTYPE_P2P_GO:
960 if (mwifiex_cfg80211_init_p2p_go(priv))
961 return -EFAULT;
962 break;
963 default:
964 mwifiex_dbg(adapter, ERROR,
965 "%s: changing to %d not supported\n",
966 dev->name, type);
967 return -EOPNOTSUPP;
968 }
969
970 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
971 HostCmd_ACT_GEN_SET, 0, NULL, true))
972 return -1;
973
974 if (mwifiex_sta_init_cmd(priv, false, false))
975 return -1;
976
977 switch (curr_iftype) {
978 case NL80211_IFTYPE_STATION:
979 case NL80211_IFTYPE_ADHOC:
980 adapter->curr_iface_comb.sta_intf--;
981 break;
982 case NL80211_IFTYPE_AP:
983 adapter->curr_iface_comb.uap_intf--;
984 break;
985 default:
986 break;
987 }
988
989 adapter->curr_iface_comb.p2p_intf++;
990 dev->ieee80211_ptr->iftype = type;
991
992 return 0;
993 }
994
995 static int
996 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
997 enum nl80211_iftype curr_iftype,
998 enum nl80211_iftype type,
999 struct vif_params *params)
1000 {
1001 struct mwifiex_private *priv;
1002 struct mwifiex_adapter *adapter;
1003
1004 priv = mwifiex_netdev_get_priv(dev);
1005
1006 if (!priv)
1007 return -1;
1008
1009 adapter = priv->adapter;
1010
1011 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
1012 curr_iftype != NL80211_IFTYPE_P2P_GO) &&
1013 (adapter->curr_iface_comb.sta_intf ==
1014 adapter->iface_limit.sta_intf)) {
1015 mwifiex_dbg(adapter, ERROR,
1016 "cannot create multiple station/adhoc ifaces\n");
1017 return -1;
1018 }
1019
1020 if (type == NL80211_IFTYPE_STATION)
1021 mwifiex_dbg(adapter, INFO,
1022 "%s: changing role to station\n", dev->name);
1023 else
1024 mwifiex_dbg(adapter, INFO,
1025 "%s: changing role to adhoc\n", dev->name);
1026
1027 if (mwifiex_deinit_priv_params(priv))
1028 return -1;
1029 if (mwifiex_init_new_priv_params(priv, dev, type))
1030 return -1;
1031 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1032 HostCmd_ACT_GEN_SET, 0, NULL, true))
1033 return -1;
1034 if (mwifiex_sta_init_cmd(priv, false, false))
1035 return -1;
1036
1037 switch (curr_iftype) {
1038 case NL80211_IFTYPE_P2P_CLIENT:
1039 case NL80211_IFTYPE_P2P_GO:
1040 adapter->curr_iface_comb.p2p_intf--;
1041 break;
1042 case NL80211_IFTYPE_AP:
1043 adapter->curr_iface_comb.uap_intf--;
1044 break;
1045 default:
1046 break;
1047 }
1048
1049 adapter->curr_iface_comb.sta_intf++;
1050 dev->ieee80211_ptr->iftype = type;
1051 return 0;
1052 }
1053
1054 static int
1055 mwifiex_change_vif_to_ap(struct net_device *dev,
1056 enum nl80211_iftype curr_iftype,
1057 enum nl80211_iftype type,
1058 struct vif_params *params)
1059 {
1060 struct mwifiex_private *priv;
1061 struct mwifiex_adapter *adapter;
1062
1063 priv = mwifiex_netdev_get_priv(dev);
1064
1065 if (!priv)
1066 return -1;
1067
1068 adapter = priv->adapter;
1069
1070 if (adapter->curr_iface_comb.uap_intf ==
1071 adapter->iface_limit.uap_intf) {
1072 mwifiex_dbg(adapter, ERROR,
1073 "cannot create multiple AP ifaces\n");
1074 return -1;
1075 }
1076
1077 mwifiex_dbg(adapter, INFO,
1078 "%s: changing role to AP\n", dev->name);
1079
1080 if (mwifiex_deinit_priv_params(priv))
1081 return -1;
1082 if (mwifiex_init_new_priv_params(priv, dev, type))
1083 return -1;
1084 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1085 HostCmd_ACT_GEN_SET, 0, NULL, true))
1086 return -1;
1087 if (mwifiex_sta_init_cmd(priv, false, false))
1088 return -1;
1089
1090 switch (curr_iftype) {
1091 case NL80211_IFTYPE_P2P_CLIENT:
1092 case NL80211_IFTYPE_P2P_GO:
1093 adapter->curr_iface_comb.p2p_intf--;
1094 break;
1095 case NL80211_IFTYPE_STATION:
1096 case NL80211_IFTYPE_ADHOC:
1097 adapter->curr_iface_comb.sta_intf--;
1098 break;
1099 default:
1100 break;
1101 }
1102
1103 adapter->curr_iface_comb.uap_intf++;
1104 dev->ieee80211_ptr->iftype = type;
1105 return 0;
1106 }
1107 /*
1108 * CFG802.11 operation handler to change interface type.
1109 */
1110 static int
1111 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1112 struct net_device *dev,
1113 enum nl80211_iftype type,
1114 struct vif_params *params)
1115 {
1116 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1117 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1118
1119 switch (curr_iftype) {
1120 case NL80211_IFTYPE_ADHOC:
1121 switch (type) {
1122 case NL80211_IFTYPE_STATION:
1123 priv->bss_mode = type;
1124 priv->sec_info.authentication_mode =
1125 NL80211_AUTHTYPE_OPEN_SYSTEM;
1126 dev->ieee80211_ptr->iftype = type;
1127 mwifiex_deauthenticate(priv, NULL);
1128 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1129 HostCmd_ACT_GEN_SET, 0, NULL,
1130 true);
1131 case NL80211_IFTYPE_P2P_CLIENT:
1132 case NL80211_IFTYPE_P2P_GO:
1133 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1134 type, params);
1135 case NL80211_IFTYPE_AP:
1136 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1137 params);
1138 case NL80211_IFTYPE_UNSPECIFIED:
1139 mwifiex_dbg(priv->adapter, INFO,
1140 "%s: kept type as IBSS\n", dev->name);
1141 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
1142 return 0;
1143 default:
1144 mwifiex_dbg(priv->adapter, ERROR,
1145 "%s: changing to %d not supported\n",
1146 dev->name, type);
1147 return -EOPNOTSUPP;
1148 }
1149 break;
1150 case NL80211_IFTYPE_STATION:
1151 switch (type) {
1152 case NL80211_IFTYPE_ADHOC:
1153 priv->bss_mode = type;
1154 priv->sec_info.authentication_mode =
1155 NL80211_AUTHTYPE_OPEN_SYSTEM;
1156 dev->ieee80211_ptr->iftype = type;
1157 mwifiex_deauthenticate(priv, NULL);
1158 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1159 HostCmd_ACT_GEN_SET, 0, NULL,
1160 true);
1161 case NL80211_IFTYPE_P2P_CLIENT:
1162 case NL80211_IFTYPE_P2P_GO:
1163 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1164 type, params);
1165 case NL80211_IFTYPE_AP:
1166 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1167 params);
1168 case NL80211_IFTYPE_UNSPECIFIED:
1169 mwifiex_dbg(priv->adapter, INFO,
1170 "%s: kept type as STA\n", dev->name);
1171 case NL80211_IFTYPE_STATION: /* 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_AP:
1181 switch (type) {
1182 case NL80211_IFTYPE_ADHOC:
1183 case NL80211_IFTYPE_STATION:
1184 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1185 type, params);
1186 break;
1187 case NL80211_IFTYPE_P2P_CLIENT:
1188 case NL80211_IFTYPE_P2P_GO:
1189 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1190 type, params);
1191 case NL80211_IFTYPE_UNSPECIFIED:
1192 mwifiex_dbg(priv->adapter, INFO,
1193 "%s: kept type as AP\n", dev->name);
1194 case NL80211_IFTYPE_AP: /* This shouldn't happen */
1195 return 0;
1196 default:
1197 mwifiex_dbg(priv->adapter, ERROR,
1198 "%s: changing to %d not supported\n",
1199 dev->name, type);
1200 return -EOPNOTSUPP;
1201 }
1202 break;
1203 case NL80211_IFTYPE_P2P_CLIENT:
1204 case NL80211_IFTYPE_P2P_GO:
1205 switch (type) {
1206 case NL80211_IFTYPE_STATION:
1207 if (mwifiex_cfg80211_deinit_p2p(priv))
1208 return -EFAULT;
1209 priv->adapter->curr_iface_comb.p2p_intf--;
1210 priv->adapter->curr_iface_comb.sta_intf++;
1211 dev->ieee80211_ptr->iftype = type;
1212 if (mwifiex_deinit_priv_params(priv))
1213 return -1;
1214 if (mwifiex_init_new_priv_params(priv, dev, type))
1215 return -1;
1216 if (mwifiex_sta_init_cmd(priv, false, false))
1217 return -1;
1218 break;
1219 case NL80211_IFTYPE_ADHOC:
1220 if (mwifiex_cfg80211_deinit_p2p(priv))
1221 return -EFAULT;
1222 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1223 type, params);
1224 break;
1225 case NL80211_IFTYPE_AP:
1226 if (mwifiex_cfg80211_deinit_p2p(priv))
1227 return -EFAULT;
1228 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1229 params);
1230 case NL80211_IFTYPE_UNSPECIFIED:
1231 mwifiex_dbg(priv->adapter, INFO,
1232 "%s: kept type as P2P\n", dev->name);
1233 case NL80211_IFTYPE_P2P_CLIENT:
1234 case NL80211_IFTYPE_P2P_GO:
1235 return 0;
1236 default:
1237 mwifiex_dbg(priv->adapter, ERROR,
1238 "%s: changing to %d not supported\n",
1239 dev->name, type);
1240 return -EOPNOTSUPP;
1241 }
1242 break;
1243 default:
1244 mwifiex_dbg(priv->adapter, ERROR,
1245 "%s: unknown iftype: %d\n",
1246 dev->name, dev->ieee80211_ptr->iftype);
1247 return -EOPNOTSUPP;
1248 }
1249
1250
1251 return 0;
1252 }
1253
1254 static void
1255 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
1256 struct rate_info *rate)
1257 {
1258 struct mwifiex_adapter *adapter = priv->adapter;
1259
1260 if (adapter->is_hw_11ac_capable) {
1261 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1262 if (tx_htinfo & BIT(0)) {
1263 /* HT */
1264 rate->mcs = priv->tx_rate;
1265 rate->flags |= RATE_INFO_FLAGS_MCS;
1266 }
1267 if (tx_htinfo & BIT(1)) {
1268 /* VHT */
1269 rate->mcs = priv->tx_rate & 0x0F;
1270 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1271 }
1272
1273 if (tx_htinfo & (BIT(1) | BIT(0))) {
1274 /* HT or VHT */
1275 switch (tx_htinfo & (BIT(3) | BIT(2))) {
1276 case 0:
1277 rate->bw = RATE_INFO_BW_20;
1278 break;
1279 case (BIT(2)):
1280 rate->bw = RATE_INFO_BW_40;
1281 break;
1282 case (BIT(3)):
1283 rate->bw = RATE_INFO_BW_80;
1284 break;
1285 case (BIT(3) | BIT(2)):
1286 rate->bw = RATE_INFO_BW_160;
1287 break;
1288 }
1289
1290 if (tx_htinfo & BIT(4))
1291 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1292
1293 if ((priv->tx_rate >> 4) == 1)
1294 rate->nss = 2;
1295 else
1296 rate->nss = 1;
1297 }
1298 } else {
1299 /*
1300 * Bit 0 in tx_htinfo indicates that current Tx rate
1301 * is 11n rate. Valid MCS index values for us are 0 to 15.
1302 */
1303 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
1304 rate->mcs = priv->tx_rate;
1305 rate->flags |= RATE_INFO_FLAGS_MCS;
1306 rate->bw = RATE_INFO_BW_20;
1307 if (tx_htinfo & BIT(1))
1308 rate->bw = RATE_INFO_BW_40;
1309 if (tx_htinfo & BIT(2))
1310 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1311 }
1312 }
1313 }
1314
1315 /*
1316 * This function dumps the station information on a buffer.
1317 *
1318 * The following information are shown -
1319 * - Total bytes transmitted
1320 * - Total bytes received
1321 * - Total packets transmitted
1322 * - Total packets received
1323 * - Signal quality level
1324 * - Transmission rate
1325 */
1326 static int
1327 mwifiex_dump_station_info(struct mwifiex_private *priv,
1328 struct mwifiex_sta_node *node,
1329 struct station_info *sinfo)
1330 {
1331 u32 rate;
1332
1333 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) |
1334 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) |
1335 BIT(NL80211_STA_INFO_TX_BITRATE) |
1336 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG);
1337
1338 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1339 if (!node)
1340 return -ENOENT;
1341
1342 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) |
1343 BIT(NL80211_STA_INFO_TX_FAILED);
1344 sinfo->inactive_time =
1345 jiffies_to_msecs(jiffies - node->stats.last_rx);
1346
1347 sinfo->signal = node->stats.rssi;
1348 sinfo->signal_avg = node->stats.rssi;
1349 sinfo->rx_bytes = node->stats.rx_bytes;
1350 sinfo->tx_bytes = node->stats.tx_bytes;
1351 sinfo->rx_packets = node->stats.rx_packets;
1352 sinfo->tx_packets = node->stats.tx_packets;
1353 sinfo->tx_failed = node->stats.tx_failed;
1354
1355 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo,
1356 &sinfo->txrate);
1357 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1358
1359 return 0;
1360 }
1361
1362 /* Get signal information from the firmware */
1363 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1364 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1365 mwifiex_dbg(priv->adapter, ERROR,
1366 "failed to get signal information\n");
1367 return -EFAULT;
1368 }
1369
1370 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1371 mwifiex_dbg(priv->adapter, ERROR,
1372 "getting data rate error\n");
1373 return -EFAULT;
1374 }
1375
1376 /* Get DTIM period information from firmware */
1377 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1378 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1379 &priv->dtim_period, true);
1380
1381 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
1382
1383 sinfo->signal_avg = priv->bcn_rssi_avg;
1384 sinfo->rx_bytes = priv->stats.rx_bytes;
1385 sinfo->tx_bytes = priv->stats.tx_bytes;
1386 sinfo->rx_packets = priv->stats.rx_packets;
1387 sinfo->tx_packets = priv->stats.tx_packets;
1388 sinfo->signal = priv->bcn_rssi_avg;
1389 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1390 sinfo->txrate.legacy = rate * 5;
1391
1392 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1393 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1394 sinfo->bss_param.flags = 0;
1395 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1396 WLAN_CAPABILITY_SHORT_PREAMBLE)
1397 sinfo->bss_param.flags |=
1398 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1399 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1400 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1401 sinfo->bss_param.flags |=
1402 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1403 sinfo->bss_param.dtim_period = priv->dtim_period;
1404 sinfo->bss_param.beacon_interval =
1405 priv->curr_bss_params.bss_descriptor.beacon_period;
1406 }
1407
1408 return 0;
1409 }
1410
1411 /*
1412 * CFG802.11 operation handler to get station information.
1413 *
1414 * This function only works in connected mode, and dumps the
1415 * requested station information, if available.
1416 */
1417 static int
1418 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1419 const u8 *mac, struct station_info *sinfo)
1420 {
1421 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1422
1423 if (!priv->media_connected)
1424 return -ENOENT;
1425 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1426 return -ENOENT;
1427
1428 return mwifiex_dump_station_info(priv, NULL, sinfo);
1429 }
1430
1431 /*
1432 * CFG802.11 operation handler to dump station information.
1433 */
1434 static int
1435 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1436 int idx, u8 *mac, struct station_info *sinfo)
1437 {
1438 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1439 static struct mwifiex_sta_node *node;
1440
1441 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1442 priv->media_connected && idx == 0) {
1443 ether_addr_copy(mac, priv->cfg_bssid);
1444 return mwifiex_dump_station_info(priv, NULL, sinfo);
1445 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1446 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1447 HostCmd_ACT_GEN_GET, 0, NULL, true);
1448
1449 if (node && (&node->list == &priv->sta_list)) {
1450 node = NULL;
1451 return -ENOENT;
1452 }
1453
1454 node = list_prepare_entry(node, &priv->sta_list, list);
1455 list_for_each_entry_continue(node, &priv->sta_list, list) {
1456 ether_addr_copy(mac, node->mac_addr);
1457 return mwifiex_dump_station_info(priv, node, sinfo);
1458 }
1459 }
1460
1461 return -ENOENT;
1462 }
1463
1464 static int
1465 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1466 int idx, struct survey_info *survey)
1467 {
1468 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1469 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1470 enum nl80211_band band;
1471
1472 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1473
1474 memset(survey, 0, sizeof(struct survey_info));
1475
1476 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1477 priv->media_connected && idx == 0) {
1478 u8 curr_bss_band = priv->curr_bss_params.band;
1479 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1480
1481 band = mwifiex_band_to_radio_type(curr_bss_band);
1482 survey->channel = ieee80211_get_channel(wiphy,
1483 ieee80211_channel_to_frequency(chan, band));
1484
1485 if (priv->bcn_nf_last) {
1486 survey->filled = SURVEY_INFO_NOISE_DBM;
1487 survey->noise = priv->bcn_nf_last;
1488 }
1489 return 0;
1490 }
1491
1492 if (idx >= priv->adapter->num_in_chan_stats)
1493 return -ENOENT;
1494
1495 if (!pchan_stats[idx].cca_scan_dur)
1496 return 0;
1497
1498 band = pchan_stats[idx].bandcfg;
1499 survey->channel = ieee80211_get_channel(wiphy,
1500 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1501 survey->filled = SURVEY_INFO_NOISE_DBM |
1502 SURVEY_INFO_TIME |
1503 SURVEY_INFO_TIME_BUSY;
1504 survey->noise = pchan_stats[idx].noise;
1505 survey->time = pchan_stats[idx].cca_scan_dur;
1506 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1507
1508 return 0;
1509 }
1510
1511 /* Supported rates to be advertised to the cfg80211 */
1512 static struct ieee80211_rate mwifiex_rates[] = {
1513 {.bitrate = 10, .hw_value = 2, },
1514 {.bitrate = 20, .hw_value = 4, },
1515 {.bitrate = 55, .hw_value = 11, },
1516 {.bitrate = 110, .hw_value = 22, },
1517 {.bitrate = 60, .hw_value = 12, },
1518 {.bitrate = 90, .hw_value = 18, },
1519 {.bitrate = 120, .hw_value = 24, },
1520 {.bitrate = 180, .hw_value = 36, },
1521 {.bitrate = 240, .hw_value = 48, },
1522 {.bitrate = 360, .hw_value = 72, },
1523 {.bitrate = 480, .hw_value = 96, },
1524 {.bitrate = 540, .hw_value = 108, },
1525 };
1526
1527 /* Channel definitions to be advertised to cfg80211 */
1528 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1529 {.center_freq = 2412, .hw_value = 1, },
1530 {.center_freq = 2417, .hw_value = 2, },
1531 {.center_freq = 2422, .hw_value = 3, },
1532 {.center_freq = 2427, .hw_value = 4, },
1533 {.center_freq = 2432, .hw_value = 5, },
1534 {.center_freq = 2437, .hw_value = 6, },
1535 {.center_freq = 2442, .hw_value = 7, },
1536 {.center_freq = 2447, .hw_value = 8, },
1537 {.center_freq = 2452, .hw_value = 9, },
1538 {.center_freq = 2457, .hw_value = 10, },
1539 {.center_freq = 2462, .hw_value = 11, },
1540 {.center_freq = 2467, .hw_value = 12, },
1541 {.center_freq = 2472, .hw_value = 13, },
1542 {.center_freq = 2484, .hw_value = 14, },
1543 };
1544
1545 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1546 .channels = mwifiex_channels_2ghz,
1547 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1548 .bitrates = mwifiex_rates,
1549 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1550 };
1551
1552 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1553 {.center_freq = 5040, .hw_value = 8, },
1554 {.center_freq = 5060, .hw_value = 12, },
1555 {.center_freq = 5080, .hw_value = 16, },
1556 {.center_freq = 5170, .hw_value = 34, },
1557 {.center_freq = 5190, .hw_value = 38, },
1558 {.center_freq = 5210, .hw_value = 42, },
1559 {.center_freq = 5230, .hw_value = 46, },
1560 {.center_freq = 5180, .hw_value = 36, },
1561 {.center_freq = 5200, .hw_value = 40, },
1562 {.center_freq = 5220, .hw_value = 44, },
1563 {.center_freq = 5240, .hw_value = 48, },
1564 {.center_freq = 5260, .hw_value = 52, },
1565 {.center_freq = 5280, .hw_value = 56, },
1566 {.center_freq = 5300, .hw_value = 60, },
1567 {.center_freq = 5320, .hw_value = 64, },
1568 {.center_freq = 5500, .hw_value = 100, },
1569 {.center_freq = 5520, .hw_value = 104, },
1570 {.center_freq = 5540, .hw_value = 108, },
1571 {.center_freq = 5560, .hw_value = 112, },
1572 {.center_freq = 5580, .hw_value = 116, },
1573 {.center_freq = 5600, .hw_value = 120, },
1574 {.center_freq = 5620, .hw_value = 124, },
1575 {.center_freq = 5640, .hw_value = 128, },
1576 {.center_freq = 5660, .hw_value = 132, },
1577 {.center_freq = 5680, .hw_value = 136, },
1578 {.center_freq = 5700, .hw_value = 140, },
1579 {.center_freq = 5745, .hw_value = 149, },
1580 {.center_freq = 5765, .hw_value = 153, },
1581 {.center_freq = 5785, .hw_value = 157, },
1582 {.center_freq = 5805, .hw_value = 161, },
1583 {.center_freq = 5825, .hw_value = 165, },
1584 };
1585
1586 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1587 .channels = mwifiex_channels_5ghz,
1588 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1589 .bitrates = mwifiex_rates + 4,
1590 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1591 };
1592
1593
1594 /* Supported crypto cipher suits to be advertised to cfg80211 */
1595 static const u32 mwifiex_cipher_suites[] = {
1596 WLAN_CIPHER_SUITE_WEP40,
1597 WLAN_CIPHER_SUITE_WEP104,
1598 WLAN_CIPHER_SUITE_TKIP,
1599 WLAN_CIPHER_SUITE_CCMP,
1600 WLAN_CIPHER_SUITE_SMS4,
1601 WLAN_CIPHER_SUITE_AES_CMAC,
1602 };
1603
1604 /* Supported mgmt frame types to be advertised to cfg80211 */
1605 static const struct ieee80211_txrx_stypes
1606 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1607 [NL80211_IFTYPE_STATION] = {
1608 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1609 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1610 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1611 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1612 },
1613 [NL80211_IFTYPE_AP] = {
1614 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1615 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1616 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1617 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1618 },
1619 [NL80211_IFTYPE_P2P_CLIENT] = {
1620 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1621 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1622 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1623 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1624 },
1625 [NL80211_IFTYPE_P2P_GO] = {
1626 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1627 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1628 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1629 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1630 },
1631 };
1632
1633 /*
1634 * CFG802.11 operation handler for setting bit rates.
1635 *
1636 * Function configures data rates to firmware using bitrate mask
1637 * provided by cfg80211.
1638 */
1639 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1640 struct net_device *dev,
1641 const u8 *peer,
1642 const struct cfg80211_bitrate_mask *mask)
1643 {
1644 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1645 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1646 enum nl80211_band band;
1647 struct mwifiex_adapter *adapter = priv->adapter;
1648
1649 if (!priv->media_connected) {
1650 mwifiex_dbg(adapter, ERROR,
1651 "Can not set Tx data rate in disconnected state\n");
1652 return -EINVAL;
1653 }
1654
1655 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1656
1657 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1658
1659 /* Fill HR/DSSS rates. */
1660 if (band == NL80211_BAND_2GHZ)
1661 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1662
1663 /* Fill OFDM rates */
1664 if (band == NL80211_BAND_2GHZ)
1665 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1666 else
1667 bitmap_rates[1] = mask->control[band].legacy;
1668
1669 /* Fill HT MCS rates */
1670 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1671 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1672 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1673
1674 /* Fill VHT MCS rates */
1675 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1676 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1677 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1678 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1679 }
1680
1681 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1682 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1683 }
1684
1685 /*
1686 * CFG802.11 operation handler for connection quality monitoring.
1687 *
1688 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1689 * events to FW.
1690 */
1691 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1692 struct net_device *dev,
1693 s32 rssi_thold, u32 rssi_hyst)
1694 {
1695 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1696 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1697
1698 priv->cqm_rssi_thold = rssi_thold;
1699 priv->cqm_rssi_hyst = rssi_hyst;
1700
1701 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1702 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1703
1704 /* Subscribe/unsubscribe low and high rssi events */
1705 if (rssi_thold && rssi_hyst) {
1706 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1707 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1708 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1709 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1710 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1711 return mwifiex_send_cmd(priv,
1712 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1713 0, 0, &subsc_evt, true);
1714 } else {
1715 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1716 return mwifiex_send_cmd(priv,
1717 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1718 0, 0, &subsc_evt, true);
1719 }
1720
1721 return 0;
1722 }
1723
1724 /* cfg80211 operation handler for change_beacon.
1725 * Function retrieves and sets modified management IEs to FW.
1726 */
1727 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1728 struct net_device *dev,
1729 struct cfg80211_beacon_data *data)
1730 {
1731 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1732 struct mwifiex_adapter *adapter = priv->adapter;
1733
1734 mwifiex_cancel_scan(adapter);
1735
1736 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1737 mwifiex_dbg(priv->adapter, ERROR,
1738 "%s: bss_type mismatched\n", __func__);
1739 return -EINVAL;
1740 }
1741
1742 if (!priv->bss_started) {
1743 mwifiex_dbg(priv->adapter, ERROR,
1744 "%s: bss not started\n", __func__);
1745 return -EINVAL;
1746 }
1747
1748 if (mwifiex_set_mgmt_ies(priv, data)) {
1749 mwifiex_dbg(priv->adapter, ERROR,
1750 "%s: setting mgmt ies failed\n", __func__);
1751 return -EFAULT;
1752 }
1753
1754 return 0;
1755 }
1756
1757 /* cfg80211 operation handler for del_station.
1758 * Function deauthenticates station which value is provided in mac parameter.
1759 * If mac is NULL/broadcast, all stations in associated station list are
1760 * deauthenticated. If bss is not started or there are no stations in
1761 * associated stations list, no action is taken.
1762 */
1763 static int
1764 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1765 struct station_del_parameters *params)
1766 {
1767 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1768 struct mwifiex_sta_node *sta_node;
1769 u8 deauth_mac[ETH_ALEN];
1770 unsigned long flags;
1771
1772 if (!priv->bss_started && priv->wdev.cac_started) {
1773 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1774 mwifiex_abort_cac(priv);
1775 }
1776
1777 if (list_empty(&priv->sta_list) || !priv->bss_started)
1778 return 0;
1779
1780 if (!params->mac || is_broadcast_ether_addr(params->mac))
1781 return 0;
1782
1783 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1784 __func__, params->mac);
1785
1786 eth_zero_addr(deauth_mac);
1787
1788 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1789 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1790 if (sta_node)
1791 ether_addr_copy(deauth_mac, params->mac);
1792 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1793
1794 if (is_valid_ether_addr(deauth_mac)) {
1795 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1796 HostCmd_ACT_GEN_SET, 0,
1797 deauth_mac, true))
1798 return -1;
1799 }
1800
1801 return 0;
1802 }
1803
1804 static int
1805 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1806 {
1807 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1808 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1809 MWIFIEX_BSS_ROLE_ANY);
1810 struct mwifiex_ds_ant_cfg ant_cfg;
1811
1812 if (!tx_ant || !rx_ant)
1813 return -EOPNOTSUPP;
1814
1815 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1816 /* Not a MIMO chip. User should provide specific antenna number
1817 * for Tx/Rx path or enable all antennas for diversity
1818 */
1819 if (tx_ant != rx_ant)
1820 return -EOPNOTSUPP;
1821
1822 if ((tx_ant & (tx_ant - 1)) &&
1823 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1824 return -EOPNOTSUPP;
1825
1826 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1827 (priv->adapter->number_of_antenna > 1)) {
1828 tx_ant = RF_ANTENNA_AUTO;
1829 rx_ant = RF_ANTENNA_AUTO;
1830 }
1831 } else {
1832 struct ieee80211_sta_ht_cap *ht_info;
1833 int rx_mcs_supp;
1834 enum nl80211_band band;
1835
1836 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1837 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1838 if (adapter->is_hw_11ac_capable)
1839 adapter->usr_dot_11ac_mcs_support =
1840 MWIFIEX_11AC_MCS_MAP_1X1;
1841 } else {
1842 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1843 if (adapter->is_hw_11ac_capable)
1844 adapter->usr_dot_11ac_mcs_support =
1845 MWIFIEX_11AC_MCS_MAP_2X2;
1846 }
1847
1848 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1849 if (!adapter->wiphy->bands[band])
1850 continue;
1851
1852 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1853 rx_mcs_supp =
1854 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1855 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1856 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1857 }
1858 }
1859
1860 ant_cfg.tx_ant = tx_ant;
1861 ant_cfg.rx_ant = rx_ant;
1862
1863 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1864 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1865 }
1866
1867 static int
1868 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1869 {
1870 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1871 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1872 MWIFIEX_BSS_ROLE_ANY);
1873 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1874 HostCmd_ACT_GEN_GET, 0, NULL, true);
1875
1876 *tx_ant = priv->tx_ant;
1877 *rx_ant = priv->rx_ant;
1878
1879 return 0;
1880 }
1881
1882 /* cfg80211 operation handler for stop ap.
1883 * Function stops BSS running at uAP interface.
1884 */
1885 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1886 {
1887 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1888
1889 mwifiex_abort_cac(priv);
1890
1891 if (mwifiex_del_mgmt_ies(priv))
1892 mwifiex_dbg(priv->adapter, ERROR,
1893 "Failed to delete mgmt IEs!\n");
1894
1895 priv->ap_11n_enabled = 0;
1896 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1897
1898 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1899 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1900 mwifiex_dbg(priv->adapter, ERROR,
1901 "Failed to stop the BSS\n");
1902 return -1;
1903 }
1904
1905 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
1906 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1907 mwifiex_dbg(priv->adapter, ERROR,
1908 "Failed to reset BSS\n");
1909 return -1;
1910 }
1911
1912 if (netif_carrier_ok(priv->netdev))
1913 netif_carrier_off(priv->netdev);
1914 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
1915
1916 return 0;
1917 }
1918
1919 /* cfg80211 operation handler for start_ap.
1920 * Function sets beacon period, DTIM period, SSID and security into
1921 * AP config structure.
1922 * AP is configured with these settings and BSS is started.
1923 */
1924 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1925 struct net_device *dev,
1926 struct cfg80211_ap_settings *params)
1927 {
1928 struct mwifiex_uap_bss_param *bss_cfg;
1929 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1930
1931 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1932 return -1;
1933
1934 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1935 if (!bss_cfg)
1936 return -ENOMEM;
1937
1938 mwifiex_set_sys_config_invalid_data(bss_cfg);
1939
1940 if (params->beacon_interval)
1941 bss_cfg->beacon_period = params->beacon_interval;
1942 if (params->dtim_period)
1943 bss_cfg->dtim_period = params->dtim_period;
1944
1945 if (params->ssid && params->ssid_len) {
1946 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1947 bss_cfg->ssid.ssid_len = params->ssid_len;
1948 }
1949 if (params->inactivity_timeout > 0) {
1950 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1951 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1952 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1953 }
1954
1955 switch (params->hidden_ssid) {
1956 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1957 bss_cfg->bcast_ssid_ctl = 1;
1958 break;
1959 case NL80211_HIDDEN_SSID_ZERO_LEN:
1960 bss_cfg->bcast_ssid_ctl = 0;
1961 break;
1962 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1963 /* firmware doesn't support this type of hidden SSID */
1964 default:
1965 kfree(bss_cfg);
1966 return -EINVAL;
1967 }
1968
1969 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
1970 mwifiex_set_uap_rates(bss_cfg, params);
1971
1972 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1973 mwifiex_dbg(priv->adapter, ERROR,
1974 "Failed to parse security parameters!\n");
1975 goto out;
1976 }
1977
1978 mwifiex_set_ht_params(priv, bss_cfg, params);
1979
1980 if (priv->adapter->is_hw_11ac_capable) {
1981 mwifiex_set_vht_params(priv, bss_cfg, params);
1982 mwifiex_set_vht_width(priv, params->chandef.width,
1983 priv->ap_11ac_enabled);
1984 }
1985
1986 if (priv->ap_11ac_enabled)
1987 mwifiex_set_11ac_ba_params(priv);
1988 else
1989 mwifiex_set_ba_params(priv);
1990
1991 mwifiex_set_wmm_params(priv, bss_cfg, params);
1992
1993 if (mwifiex_is_11h_active(priv))
1994 mwifiex_set_tpc_params(priv, bss_cfg, params);
1995
1996 if (mwifiex_is_11h_active(priv) &&
1997 !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
1998 priv->bss_mode)) {
1999 mwifiex_dbg(priv->adapter, INFO,
2000 "Disable 11h extensions in FW\n");
2001 if (mwifiex_11h_activate(priv, false)) {
2002 mwifiex_dbg(priv->adapter, ERROR,
2003 "Failed to disable 11h extensions!!");
2004 goto out;
2005 }
2006 priv->state_11h.is_11h_active = false;
2007 }
2008
2009 mwifiex_config_uap_11d(priv, &params->beacon);
2010
2011 if (mwifiex_config_start_uap(priv, bss_cfg)) {
2012 mwifiex_dbg(priv->adapter, ERROR,
2013 "Failed to start AP\n");
2014 goto out;
2015 }
2016
2017 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
2018 goto out;
2019
2020 if (!netif_carrier_ok(priv->netdev))
2021 netif_carrier_on(priv->netdev);
2022 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2023
2024 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2025 kfree(bss_cfg);
2026 return 0;
2027
2028 out:
2029 kfree(bss_cfg);
2030 return -1;
2031 }
2032
2033 /*
2034 * CFG802.11 operation handler for disconnection request.
2035 *
2036 * This function does not work when there is already a disconnection
2037 * procedure going on.
2038 */
2039 static int
2040 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2041 u16 reason_code)
2042 {
2043 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2044
2045 if (!mwifiex_stop_bg_scan(priv))
2046 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2047
2048 if (mwifiex_deauthenticate(priv, NULL))
2049 return -EFAULT;
2050
2051 eth_zero_addr(priv->cfg_bssid);
2052 priv->hs2_enabled = false;
2053
2054 return 0;
2055 }
2056
2057 /*
2058 * This function informs the CFG802.11 subsystem of a new IBSS.
2059 *
2060 * The following information are sent to the CFG802.11 subsystem
2061 * to register the new IBSS. If we do not register the new IBSS,
2062 * a kernel panic will result.
2063 * - SSID
2064 * - SSID length
2065 * - BSSID
2066 * - Channel
2067 */
2068 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2069 {
2070 struct ieee80211_channel *chan;
2071 struct mwifiex_bss_info bss_info;
2072 struct cfg80211_bss *bss;
2073 int ie_len;
2074 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2075 enum nl80211_band band;
2076
2077 if (mwifiex_get_bss_info(priv, &bss_info))
2078 return -1;
2079
2080 ie_buf[0] = WLAN_EID_SSID;
2081 ie_buf[1] = bss_info.ssid.ssid_len;
2082
2083 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2084 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2085 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2086
2087 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2088 chan = ieee80211_get_channel(priv->wdev.wiphy,
2089 ieee80211_channel_to_frequency(bss_info.bss_chan,
2090 band));
2091
2092 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2093 CFG80211_BSS_FTYPE_UNKNOWN,
2094 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2095 0, ie_buf, ie_len, 0, GFP_KERNEL);
2096 if (bss) {
2097 cfg80211_put_bss(priv->wdev.wiphy, bss);
2098 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2099 }
2100
2101 return 0;
2102 }
2103
2104 /*
2105 * This function connects with a BSS.
2106 *
2107 * This function handles both Infra and Ad-Hoc modes. It also performs
2108 * validity checking on the provided parameters, disconnects from the
2109 * current BSS (if any), sets up the association/scan parameters,
2110 * including security settings, and performs specific SSID scan before
2111 * trying to connect.
2112 *
2113 * For Infra mode, the function returns failure if the specified SSID
2114 * is not found in scan table. However, for Ad-Hoc mode, it can create
2115 * the IBSS if it does not exist. On successful completion in either case,
2116 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2117 */
2118 static int
2119 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2120 const u8 *ssid, const u8 *bssid, int mode,
2121 struct ieee80211_channel *channel,
2122 struct cfg80211_connect_params *sme, bool privacy)
2123 {
2124 struct cfg80211_ssid req_ssid;
2125 int ret, auth_type = 0;
2126 struct cfg80211_bss *bss = NULL;
2127 u8 is_scanning_required = 0;
2128
2129 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2130
2131 req_ssid.ssid_len = ssid_len;
2132 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2133 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2134 return -EINVAL;
2135 }
2136
2137 memcpy(req_ssid.ssid, ssid, ssid_len);
2138 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2139 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2140 return -EINVAL;
2141 }
2142
2143 /* As this is new association, clear locally stored
2144 * keys and security related flags */
2145 priv->sec_info.wpa_enabled = false;
2146 priv->sec_info.wpa2_enabled = false;
2147 priv->wep_key_curr_index = 0;
2148 priv->sec_info.encryption_mode = 0;
2149 priv->sec_info.is_authtype_auto = 0;
2150 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2151
2152 if (mode == NL80211_IFTYPE_ADHOC) {
2153 u16 enable = true;
2154
2155 /* set ibss coalescing_status */
2156 ret = mwifiex_send_cmd(
2157 priv,
2158 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2159 HostCmd_ACT_GEN_SET, 0, &enable, true);
2160 if (ret)
2161 return ret;
2162
2163 /* "privacy" is set only for ad-hoc mode */
2164 if (privacy) {
2165 /*
2166 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2167 * the firmware can find a matching network from the
2168 * scan. The cfg80211 does not give us the encryption
2169 * mode at this stage so just setting it to WEP here.
2170 */
2171 priv->sec_info.encryption_mode =
2172 WLAN_CIPHER_SUITE_WEP104;
2173 priv->sec_info.authentication_mode =
2174 NL80211_AUTHTYPE_OPEN_SYSTEM;
2175 }
2176
2177 goto done;
2178 }
2179
2180 /* Now handle infra mode. "sme" is valid for infra mode only */
2181 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2182 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2183 priv->sec_info.is_authtype_auto = 1;
2184 } else {
2185 auth_type = sme->auth_type;
2186 }
2187
2188 if (sme->crypto.n_ciphers_pairwise) {
2189 priv->sec_info.encryption_mode =
2190 sme->crypto.ciphers_pairwise[0];
2191 priv->sec_info.authentication_mode = auth_type;
2192 }
2193
2194 if (sme->crypto.cipher_group) {
2195 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2196 priv->sec_info.authentication_mode = auth_type;
2197 }
2198 if (sme->ie)
2199 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2200
2201 if (sme->key) {
2202 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2203 mwifiex_dbg(priv->adapter, INFO,
2204 "info: setting wep encryption\t"
2205 "with key len %d\n", sme->key_len);
2206 priv->wep_key_curr_index = sme->key_idx;
2207 ret = mwifiex_set_encode(priv, NULL, sme->key,
2208 sme->key_len, sme->key_idx,
2209 NULL, 0);
2210 }
2211 }
2212 done:
2213 /*
2214 * Scan entries are valid for some time (15 sec). So we can save one
2215 * active scan time if we just try cfg80211_get_bss first. If it fails
2216 * then request scan and cfg80211_get_bss() again for final output.
2217 */
2218 while (1) {
2219 if (is_scanning_required) {
2220 /* Do specific SSID scanning */
2221 if (mwifiex_request_scan(priv, &req_ssid)) {
2222 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2223 return -EFAULT;
2224 }
2225 }
2226
2227 /* Find the BSS we want using available scan results */
2228 if (mode == NL80211_IFTYPE_ADHOC)
2229 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2230 bssid, ssid, ssid_len,
2231 IEEE80211_BSS_TYPE_IBSS,
2232 IEEE80211_PRIVACY_ANY);
2233 else
2234 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2235 bssid, ssid, ssid_len,
2236 IEEE80211_BSS_TYPE_ESS,
2237 IEEE80211_PRIVACY_ANY);
2238
2239 if (!bss) {
2240 if (is_scanning_required) {
2241 mwifiex_dbg(priv->adapter, WARN,
2242 "assoc: requested bss not found in scan results\n");
2243 break;
2244 }
2245 is_scanning_required = 1;
2246 } else {
2247 mwifiex_dbg(priv->adapter, MSG,
2248 "info: trying to associate to '%.*s' bssid %pM\n",
2249 req_ssid.ssid_len, (char *)req_ssid.ssid,
2250 bss->bssid);
2251 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2252 break;
2253 }
2254 }
2255
2256 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2257 if (ret)
2258 return ret;
2259
2260 if (mode == NL80211_IFTYPE_ADHOC) {
2261 /* Inform the BSS information to kernel, otherwise
2262 * kernel will give a panic after successful assoc */
2263 if (mwifiex_cfg80211_inform_ibss_bss(priv))
2264 return -EFAULT;
2265 }
2266
2267 return ret;
2268 }
2269
2270 /*
2271 * CFG802.11 operation handler for association request.
2272 *
2273 * This function does not work when the current mode is set to Ad-Hoc, or
2274 * when there is already an association procedure going on. The given BSS
2275 * information is used to associate.
2276 */
2277 static int
2278 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2279 struct cfg80211_connect_params *sme)
2280 {
2281 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2282 struct mwifiex_adapter *adapter = priv->adapter;
2283 int ret;
2284
2285 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2286 mwifiex_dbg(adapter, ERROR,
2287 "%s: reject infra assoc request in non-STA role\n",
2288 dev->name);
2289 return -EINVAL;
2290 }
2291
2292 if (priv->wdev.current_bss) {
2293 mwifiex_dbg(adapter, ERROR,
2294 "%s: already connected\n", dev->name);
2295 return -EALREADY;
2296 }
2297
2298 if (priv->scan_block)
2299 priv->scan_block = false;
2300
2301 if (adapter->surprise_removed || adapter->is_cmd_timedout) {
2302 mwifiex_dbg(adapter, ERROR,
2303 "%s: Ignore connection.\t"
2304 "Card removed or FW in bad state\n",
2305 dev->name);
2306 return -EFAULT;
2307 }
2308
2309 mwifiex_dbg(adapter, INFO,
2310 "info: Trying to associate to %.*s and bssid %pM\n",
2311 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid);
2312
2313 if (!mwifiex_stop_bg_scan(priv))
2314 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2315
2316 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2317 priv->bss_mode, sme->channel, sme, 0);
2318 if (!ret) {
2319 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
2320 NULL, 0, WLAN_STATUS_SUCCESS,
2321 GFP_KERNEL);
2322 mwifiex_dbg(priv->adapter, MSG,
2323 "info: associated to bssid %pM successfully\n",
2324 priv->cfg_bssid);
2325 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2326 priv->adapter->auto_tdls &&
2327 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2328 mwifiex_setup_auto_tdls_timer(priv);
2329 } else {
2330 mwifiex_dbg(priv->adapter, ERROR,
2331 "info: association to bssid %pM failed\n",
2332 priv->cfg_bssid);
2333 eth_zero_addr(priv->cfg_bssid);
2334
2335 if (ret > 0)
2336 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2337 NULL, 0, NULL, 0, ret,
2338 GFP_KERNEL);
2339 else
2340 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2341 NULL, 0, NULL, 0,
2342 WLAN_STATUS_UNSPECIFIED_FAILURE,
2343 GFP_KERNEL);
2344 }
2345
2346 return 0;
2347 }
2348
2349 /*
2350 * This function sets following parameters for ibss network.
2351 * - channel
2352 * - start band
2353 * - 11n flag
2354 * - secondary channel offset
2355 */
2356 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2357 struct cfg80211_ibss_params *params)
2358 {
2359 struct mwifiex_adapter *adapter = priv->adapter;
2360 int index = 0, i;
2361 u8 config_bands = 0;
2362
2363 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2364 if (!params->basic_rates) {
2365 config_bands = BAND_B | BAND_G;
2366 } else {
2367 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2368 /*
2369 * Rates below 6 Mbps in the table are CCK
2370 * rates; 802.11b and from 6 they are OFDM;
2371 * 802.11G
2372 */
2373 if (mwifiex_rates[i].bitrate == 60) {
2374 index = 1 << i;
2375 break;
2376 }
2377 }
2378
2379 if (params->basic_rates < index) {
2380 config_bands = BAND_B;
2381 } else {
2382 config_bands = BAND_G;
2383 if (params->basic_rates % index)
2384 config_bands |= BAND_B;
2385 }
2386 }
2387
2388 if (cfg80211_get_chandef_type(&params->chandef) !=
2389 NL80211_CHAN_NO_HT)
2390 config_bands |= BAND_G | BAND_GN;
2391 } else {
2392 if (cfg80211_get_chandef_type(&params->chandef) ==
2393 NL80211_CHAN_NO_HT)
2394 config_bands = BAND_A;
2395 else
2396 config_bands = BAND_AN | BAND_A;
2397 }
2398
2399 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2400 adapter->config_bands = config_bands;
2401 adapter->adhoc_start_band = config_bands;
2402
2403 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2404 adapter->adhoc_11n_enabled = true;
2405 else
2406 adapter->adhoc_11n_enabled = false;
2407 }
2408
2409 adapter->sec_chan_offset =
2410 mwifiex_chan_type_to_sec_chan_offset(
2411 cfg80211_get_chandef_type(&params->chandef));
2412 priv->adhoc_channel = ieee80211_frequency_to_channel(
2413 params->chandef.chan->center_freq);
2414
2415 mwifiex_dbg(adapter, INFO,
2416 "info: set ibss band %d, chan %d, chan offset %d\n",
2417 config_bands, priv->adhoc_channel,
2418 adapter->sec_chan_offset);
2419
2420 return 0;
2421 }
2422
2423 /*
2424 * CFG802.11 operation handler to join an IBSS.
2425 *
2426 * This function does not work in any mode other than Ad-Hoc, or if
2427 * a join operation is already in progress.
2428 */
2429 static int
2430 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2431 struct cfg80211_ibss_params *params)
2432 {
2433 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2434 int ret = 0;
2435
2436 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2437 mwifiex_dbg(priv->adapter, ERROR,
2438 "request to join ibss received\t"
2439 "when station is not in ibss mode\n");
2440 goto done;
2441 }
2442
2443 mwifiex_dbg(priv->adapter, MSG,
2444 "info: trying to join to %.*s and bssid %pM\n",
2445 params->ssid_len, (char *)params->ssid, params->bssid);
2446
2447 mwifiex_set_ibss_params(priv, params);
2448
2449 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2450 params->bssid, priv->bss_mode,
2451 params->chandef.chan, NULL,
2452 params->privacy);
2453 done:
2454 if (!ret) {
2455 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2456 params->chandef.chan, GFP_KERNEL);
2457 mwifiex_dbg(priv->adapter, MSG,
2458 "info: joined/created adhoc network with bssid\t"
2459 "%pM successfully\n", priv->cfg_bssid);
2460 } else {
2461 mwifiex_dbg(priv->adapter, ERROR,
2462 "info: failed creating/joining adhoc network\n");
2463 }
2464
2465 return ret;
2466 }
2467
2468 /*
2469 * CFG802.11 operation handler to leave an IBSS.
2470 *
2471 * This function does not work if a leave operation is
2472 * already in progress.
2473 */
2474 static int
2475 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2476 {
2477 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2478
2479 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2480 priv->cfg_bssid);
2481 if (mwifiex_deauthenticate(priv, NULL))
2482 return -EFAULT;
2483
2484 eth_zero_addr(priv->cfg_bssid);
2485
2486 return 0;
2487 }
2488
2489 /*
2490 * CFG802.11 operation handler for scan request.
2491 *
2492 * This function issues a scan request to the firmware based upon
2493 * the user specified scan configuration. On successful completion,
2494 * it also informs the results.
2495 */
2496 static int
2497 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2498 struct cfg80211_scan_request *request)
2499 {
2500 struct net_device *dev = request->wdev->netdev;
2501 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2502 int i, offset, ret;
2503 struct ieee80211_channel *chan;
2504 struct ieee_types_header *ie;
2505 struct mwifiex_user_scan_cfg *user_scan_cfg;
2506
2507 mwifiex_dbg(priv->adapter, CMD,
2508 "info: received scan request on %s\n", dev->name);
2509
2510 /* Block scan request if scan operation or scan cleanup when interface
2511 * is disabled is in process
2512 */
2513 if (priv->scan_request || priv->scan_aborting) {
2514 mwifiex_dbg(priv->adapter, WARN,
2515 "cmd: Scan already in process..\n");
2516 return -EBUSY;
2517 }
2518
2519 if (!priv->wdev.current_bss && priv->scan_block)
2520 priv->scan_block = false;
2521
2522 if (!mwifiex_stop_bg_scan(priv))
2523 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2524
2525 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2526 if (!user_scan_cfg)
2527 return -ENOMEM;
2528
2529 priv->scan_request = request;
2530
2531 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2532 for (i = 0; i < ETH_ALEN; i++) {
2533 request->mac_addr[i] &= request->mac_addr_mask[i];
2534 request->mac_addr[i] |=
2535 get_random_int() & ~(request->mac_addr_mask[i]);
2536 }
2537 ether_addr_copy(user_scan_cfg->random_mac, request->mac_addr);
2538 }
2539
2540 user_scan_cfg->num_ssids = request->n_ssids;
2541 user_scan_cfg->ssid_list = request->ssids;
2542
2543 if (request->ie && request->ie_len) {
2544 offset = 0;
2545 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2546 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2547 continue;
2548 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2549 ie = (struct ieee_types_header *)(request->ie + offset);
2550 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2551 offset += sizeof(*ie) + ie->len;
2552
2553 if (offset >= request->ie_len)
2554 break;
2555 }
2556 }
2557
2558 for (i = 0; i < min_t(u32, request->n_channels,
2559 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2560 chan = request->channels[i];
2561 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2562 user_scan_cfg->chan_list[i].radio_type = chan->band;
2563
2564 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2565 user_scan_cfg->chan_list[i].scan_type =
2566 MWIFIEX_SCAN_TYPE_PASSIVE;
2567 else
2568 user_scan_cfg->chan_list[i].scan_type =
2569 MWIFIEX_SCAN_TYPE_ACTIVE;
2570
2571 user_scan_cfg->chan_list[i].scan_time = 0;
2572 }
2573
2574 if (priv->adapter->scan_chan_gap_enabled &&
2575 mwifiex_is_any_intf_active(priv))
2576 user_scan_cfg->scan_chan_gap =
2577 priv->adapter->scan_chan_gap_time;
2578
2579 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2580 kfree(user_scan_cfg);
2581 if (ret) {
2582 mwifiex_dbg(priv->adapter, ERROR,
2583 "scan failed: %d\n", ret);
2584 priv->scan_aborting = false;
2585 priv->scan_request = NULL;
2586 return ret;
2587 }
2588
2589 if (request->ie && request->ie_len) {
2590 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2591 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2592 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2593 memset(&priv->vs_ie[i].ie, 0,
2594 MWIFIEX_MAX_VSIE_LEN);
2595 }
2596 }
2597 }
2598 return 0;
2599 }
2600
2601 /* CFG802.11 operation handler for sched_scan_start.
2602 *
2603 * This function issues a bgscan config request to the firmware based upon
2604 * the user specified sched_scan configuration. On successful completion,
2605 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2606 * query command to get sched_scan results from firmware.
2607 */
2608 static int
2609 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2610 struct net_device *dev,
2611 struct cfg80211_sched_scan_request *request)
2612 {
2613 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2614 int i, offset;
2615 struct ieee80211_channel *chan;
2616 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2617 struct ieee_types_header *ie;
2618
2619 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2620 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2621 __func__);
2622 return -EINVAL;
2623 }
2624
2625 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2626 request->n_ssids, request->n_match_sets);
2627 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2628 request->n_channels, request->scan_plans->interval,
2629 (int)request->ie_len);
2630
2631 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2632 if (!bgscan_cfg)
2633 return -ENOMEM;
2634
2635 if (priv->scan_request || priv->scan_aborting)
2636 bgscan_cfg->start_later = true;
2637
2638 bgscan_cfg->num_ssids = request->n_match_sets;
2639 bgscan_cfg->ssid_list = request->match_sets;
2640
2641 if (request->ie && request->ie_len) {
2642 offset = 0;
2643 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2644 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2645 continue;
2646 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2647 ie = (struct ieee_types_header *)(request->ie + offset);
2648 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2649 offset += sizeof(*ie) + ie->len;
2650
2651 if (offset >= request->ie_len)
2652 break;
2653 }
2654 }
2655
2656 for (i = 0; i < min_t(u32, request->n_channels,
2657 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2658 chan = request->channels[i];
2659 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2660 bgscan_cfg->chan_list[i].radio_type = chan->band;
2661
2662 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2663 bgscan_cfg->chan_list[i].scan_type =
2664 MWIFIEX_SCAN_TYPE_PASSIVE;
2665 else
2666 bgscan_cfg->chan_list[i].scan_type =
2667 MWIFIEX_SCAN_TYPE_ACTIVE;
2668
2669 bgscan_cfg->chan_list[i].scan_time = 0;
2670 }
2671
2672 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2673 MWIFIEX_BG_SCAN_CHAN_MAX);
2674
2675 /* Use at least 15 second for per scan cycle */
2676 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2677 MWIFIEX_BGSCAN_INTERVAL) ?
2678 request->scan_plans->interval :
2679 MWIFIEX_BGSCAN_INTERVAL;
2680
2681 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2682 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2683 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2684 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2685 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2686 bgscan_cfg->enable = true;
2687 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2688 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2689 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2690 }
2691
2692 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2693 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2694 kfree(bgscan_cfg);
2695 return -EFAULT;
2696 }
2697
2698 priv->sched_scanning = true;
2699
2700 kfree(bgscan_cfg);
2701 return 0;
2702 }
2703
2704 /* CFG802.11 operation handler for sched_scan_stop.
2705 *
2706 * This function issues a bgscan config command to disable
2707 * previous bgscan configuration in the firmware
2708 */
2709 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2710 struct net_device *dev, u64 reqid)
2711 {
2712 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2713
2714 wiphy_info(wiphy, "sched scan stop!");
2715 mwifiex_stop_bg_scan(priv);
2716
2717 return 0;
2718 }
2719
2720 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2721 struct mwifiex_private *priv)
2722 {
2723 struct mwifiex_adapter *adapter = priv->adapter;
2724
2725 vht_info->vht_supported = true;
2726
2727 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2728 /* Update MCS support for VHT */
2729 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2730 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2731 vht_info->vht_mcs.rx_highest = 0;
2732 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2733 adapter->hw_dot_11ac_mcs_support >> 16);
2734 vht_info->vht_mcs.tx_highest = 0;
2735 }
2736
2737 /*
2738 * This function sets up the CFG802.11 specific HT capability fields
2739 * with default values.
2740 *
2741 * The following default values are set -
2742 * - HT Supported = True
2743 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2744 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2745 * - HT Capabilities supported by firmware
2746 * - MCS information, Rx mask = 0xff
2747 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2748 */
2749 static void
2750 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2751 struct mwifiex_private *priv)
2752 {
2753 int rx_mcs_supp;
2754 struct ieee80211_mcs_info mcs_set;
2755 u8 *mcs = (u8 *)&mcs_set;
2756 struct mwifiex_adapter *adapter = priv->adapter;
2757
2758 ht_info->ht_supported = true;
2759 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2760 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2761
2762 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2763
2764 /* Fill HT capability information */
2765 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2766 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2767 else
2768 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2769
2770 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2771 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2772 else
2773 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2774
2775 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2776 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2777 else
2778 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2779
2780 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2781 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2782 else
2783 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2784
2785 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2786 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2787 else
2788 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2789
2790 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2791 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2792 else
2793 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2794
2795 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2796 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2797 else
2798 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2799
2800 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2801 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2802 else
2803 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2804
2805 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2806 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2807
2808 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2809 /* Set MCS for 1x1/2x2 */
2810 memset(mcs, 0xff, rx_mcs_supp);
2811 /* Clear all the other values */
2812 memset(&mcs[rx_mcs_supp], 0,
2813 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2814 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2815 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2816 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2817 SETHT_MCS32(mcs_set.rx_mask);
2818
2819 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2820
2821 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2822 }
2823
2824 /*
2825 * create a new virtual interface with the given name and name assign type
2826 */
2827 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2828 const char *name,
2829 unsigned char name_assign_type,
2830 enum nl80211_iftype type,
2831 struct vif_params *params)
2832 {
2833 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2834 struct mwifiex_private *priv;
2835 struct net_device *dev;
2836 void *mdev_priv;
2837 int ret;
2838
2839 if (!adapter)
2840 return ERR_PTR(-EFAULT);
2841
2842 switch (type) {
2843 case NL80211_IFTYPE_UNSPECIFIED:
2844 case NL80211_IFTYPE_STATION:
2845 case NL80211_IFTYPE_ADHOC:
2846 if (adapter->curr_iface_comb.sta_intf ==
2847 adapter->iface_limit.sta_intf) {
2848 mwifiex_dbg(adapter, ERROR,
2849 "cannot create multiple sta/adhoc ifaces\n");
2850 return ERR_PTR(-EINVAL);
2851 }
2852
2853 priv = mwifiex_get_unused_priv_by_bss_type(
2854 adapter, MWIFIEX_BSS_TYPE_STA);
2855 if (!priv) {
2856 mwifiex_dbg(adapter, ERROR,
2857 "could not get free private struct\n");
2858 return ERR_PTR(-EFAULT);
2859 }
2860
2861 priv->wdev.wiphy = wiphy;
2862 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2863
2864 if (type == NL80211_IFTYPE_UNSPECIFIED)
2865 priv->bss_mode = NL80211_IFTYPE_STATION;
2866 else
2867 priv->bss_mode = type;
2868
2869 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2870 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2871 priv->bss_priority = 0;
2872 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2873
2874 break;
2875 case NL80211_IFTYPE_AP:
2876 if (adapter->curr_iface_comb.uap_intf ==
2877 adapter->iface_limit.uap_intf) {
2878 mwifiex_dbg(adapter, ERROR,
2879 "cannot create multiple AP ifaces\n");
2880 return ERR_PTR(-EINVAL);
2881 }
2882
2883 priv = mwifiex_get_unused_priv_by_bss_type(
2884 adapter, MWIFIEX_BSS_TYPE_UAP);
2885 if (!priv) {
2886 mwifiex_dbg(adapter, ERROR,
2887 "could not get free private struct\n");
2888 return ERR_PTR(-EFAULT);
2889 }
2890
2891 priv->wdev.wiphy = wiphy;
2892 priv->wdev.iftype = NL80211_IFTYPE_AP;
2893
2894 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2895 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2896 priv->bss_priority = 0;
2897 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2898 priv->bss_started = 0;
2899 priv->bss_mode = type;
2900
2901 break;
2902 case NL80211_IFTYPE_P2P_CLIENT:
2903 if (adapter->curr_iface_comb.p2p_intf ==
2904 adapter->iface_limit.p2p_intf) {
2905 mwifiex_dbg(adapter, ERROR,
2906 "cannot create multiple P2P ifaces\n");
2907 return ERR_PTR(-EINVAL);
2908 }
2909
2910 priv = mwifiex_get_unused_priv_by_bss_type(
2911 adapter, MWIFIEX_BSS_TYPE_P2P);
2912 if (!priv) {
2913 mwifiex_dbg(adapter, ERROR,
2914 "could not get free private struct\n");
2915 return ERR_PTR(-EFAULT);
2916 }
2917
2918 priv->wdev.wiphy = wiphy;
2919 /* At start-up, wpa_supplicant tries to change the interface
2920 * to NL80211_IFTYPE_STATION if it is not managed mode.
2921 */
2922 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2923 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2924
2925 /* Setting bss_type to P2P tells firmware that this interface
2926 * is receiving P2P peers found during find phase and doing
2927 * action frame handshake.
2928 */
2929 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2930
2931 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2932 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2933 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2934 priv->bss_started = 0;
2935
2936 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2937 memset(&priv->wdev, 0, sizeof(priv->wdev));
2938 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2939 return ERR_PTR(-EFAULT);
2940 }
2941
2942 break;
2943 default:
2944 mwifiex_dbg(adapter, ERROR, "type not supported\n");
2945 return ERR_PTR(-EINVAL);
2946 }
2947
2948 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2949 name_assign_type, ether_setup,
2950 IEEE80211_NUM_ACS, 1);
2951 if (!dev) {
2952 mwifiex_dbg(adapter, ERROR,
2953 "no memory available for netdevice\n");
2954 ret = -ENOMEM;
2955 goto err_alloc_netdev;
2956 }
2957
2958 mwifiex_init_priv_params(priv, dev);
2959
2960 priv->netdev = dev;
2961
2962 if (!adapter->mfg_mode) {
2963 mwifiex_set_mac_address(priv, dev);
2964
2965 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
2966 HostCmd_ACT_GEN_SET, 0, NULL, true);
2967 if (ret)
2968 goto err_set_bss_mode;
2969
2970 ret = mwifiex_sta_init_cmd(priv, false, false);
2971 if (ret)
2972 goto err_sta_init;
2973 }
2974
2975 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
2976 if (adapter->is_hw_11ac_capable)
2977 mwifiex_setup_vht_caps(
2978 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
2979
2980 if (adapter->config_bands & BAND_A)
2981 mwifiex_setup_ht_caps(
2982 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
2983
2984 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2985 mwifiex_setup_vht_caps(
2986 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
2987
2988 dev_net_set(dev, wiphy_net(wiphy));
2989 dev->ieee80211_ptr = &priv->wdev;
2990 dev->ieee80211_ptr->iftype = priv->bss_mode;
2991 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2992
2993 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2994 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2995 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2996 dev->ethtool_ops = &mwifiex_ethtool_ops;
2997
2998 mdev_priv = netdev_priv(dev);
2999 *((unsigned long *) mdev_priv) = (unsigned long) priv;
3000
3001 SET_NETDEV_DEV(dev, adapter->dev);
3002
3003 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3004 WQ_HIGHPRI |
3005 WQ_MEM_RECLAIM |
3006 WQ_UNBOUND, 1, name);
3007 if (!priv->dfs_cac_workqueue) {
3008 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n");
3009 ret = -ENOMEM;
3010 goto err_alloc_cac;
3011 }
3012
3013 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3014
3015 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3016 WQ_HIGHPRI | WQ_UNBOUND |
3017 WQ_MEM_RECLAIM, 1, name);
3018 if (!priv->dfs_chan_sw_workqueue) {
3019 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n");
3020 ret = -ENOMEM;
3021 goto err_alloc_chsw;
3022 }
3023
3024 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3025 mwifiex_dfs_chan_sw_work_queue);
3026
3027 mutex_init(&priv->async_mutex);
3028
3029 /* Register network device */
3030 if (register_netdevice(dev)) {
3031 mwifiex_dbg(adapter, ERROR, "cannot register network device\n");
3032 ret = -EFAULT;
3033 goto err_reg_netdev;
3034 }
3035
3036 mwifiex_dbg(adapter, INFO,
3037 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3038
3039 #ifdef CONFIG_DEBUG_FS
3040 mwifiex_dev_debugfs_init(priv);
3041 #endif
3042
3043 switch (type) {
3044 case NL80211_IFTYPE_UNSPECIFIED:
3045 case NL80211_IFTYPE_STATION:
3046 case NL80211_IFTYPE_ADHOC:
3047 adapter->curr_iface_comb.sta_intf++;
3048 break;
3049 case NL80211_IFTYPE_AP:
3050 adapter->curr_iface_comb.uap_intf++;
3051 break;
3052 case NL80211_IFTYPE_P2P_CLIENT:
3053 adapter->curr_iface_comb.p2p_intf++;
3054 break;
3055 default:
3056 /* This should be dead code; checked above */
3057 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3058 return ERR_PTR(-EINVAL);
3059 }
3060
3061 return &priv->wdev;
3062
3063 err_reg_netdev:
3064 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3065 priv->dfs_chan_sw_workqueue = NULL;
3066 err_alloc_chsw:
3067 destroy_workqueue(priv->dfs_cac_workqueue);
3068 priv->dfs_cac_workqueue = NULL;
3069 err_alloc_cac:
3070 free_netdev(dev);
3071 priv->netdev = NULL;
3072 err_sta_init:
3073 err_set_bss_mode:
3074 err_alloc_netdev:
3075 memset(&priv->wdev, 0, sizeof(priv->wdev));
3076 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3077 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3078 return ERR_PTR(ret);
3079 }
3080 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3081
3082 /*
3083 * del_virtual_intf: remove the virtual interface determined by dev
3084 */
3085 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3086 {
3087 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3088 struct mwifiex_adapter *adapter = priv->adapter;
3089 struct sk_buff *skb, *tmp;
3090
3091 #ifdef CONFIG_DEBUG_FS
3092 mwifiex_dev_debugfs_remove(priv);
3093 #endif
3094
3095 if (priv->sched_scanning)
3096 priv->sched_scanning = false;
3097
3098 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3099
3100 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3101 skb_unlink(skb, &priv->bypass_txq);
3102 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3103 }
3104
3105 if (netif_carrier_ok(priv->netdev))
3106 netif_carrier_off(priv->netdev);
3107
3108 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3109 unregister_netdevice(wdev->netdev);
3110
3111 if (priv->dfs_cac_workqueue) {
3112 flush_workqueue(priv->dfs_cac_workqueue);
3113 destroy_workqueue(priv->dfs_cac_workqueue);
3114 priv->dfs_cac_workqueue = NULL;
3115 }
3116
3117 if (priv->dfs_chan_sw_workqueue) {
3118 flush_workqueue(priv->dfs_chan_sw_workqueue);
3119 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3120 priv->dfs_chan_sw_workqueue = NULL;
3121 }
3122 /* Clear the priv in adapter */
3123 priv->netdev = NULL;
3124
3125 switch (priv->bss_mode) {
3126 case NL80211_IFTYPE_UNSPECIFIED:
3127 case NL80211_IFTYPE_STATION:
3128 case NL80211_IFTYPE_ADHOC:
3129 adapter->curr_iface_comb.sta_intf--;
3130 break;
3131 case NL80211_IFTYPE_AP:
3132 adapter->curr_iface_comb.uap_intf--;
3133 break;
3134 case NL80211_IFTYPE_P2P_CLIENT:
3135 case NL80211_IFTYPE_P2P_GO:
3136 adapter->curr_iface_comb.p2p_intf--;
3137 break;
3138 default:
3139 mwifiex_dbg(adapter, ERROR,
3140 "del_virtual_intf: type not supported\n");
3141 break;
3142 }
3143
3144 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3145
3146 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3147 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3148 kfree(priv->hist_data);
3149
3150 return 0;
3151 }
3152 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3153
3154 static bool
3155 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3156 u8 max_byte_seq)
3157 {
3158 int j, k, valid_byte_cnt = 0;
3159 bool dont_care_byte = false;
3160
3161 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3162 for (k = 0; k < 8; k++) {
3163 if (pat->mask[j] & 1 << k) {
3164 memcpy(byte_seq + valid_byte_cnt,
3165 &pat->pattern[j * 8 + k], 1);
3166 valid_byte_cnt++;
3167 if (dont_care_byte)
3168 return false;
3169 } else {
3170 if (valid_byte_cnt)
3171 dont_care_byte = true;
3172 }
3173
3174 /* wildcard bytes record as the offset
3175 * before the valid byte
3176 */
3177 if (!valid_byte_cnt && !dont_care_byte)
3178 pat->pkt_offset++;
3179
3180 if (valid_byte_cnt > max_byte_seq)
3181 return false;
3182 }
3183 }
3184
3185 byte_seq[max_byte_seq] = valid_byte_cnt;
3186
3187 return true;
3188 }
3189
3190 #ifdef CONFIG_PM
3191 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3192 struct mwifiex_mef_entry *mef_entry)
3193 {
3194 int i, filt_num = 0, num_ipv4 = 0;
3195 struct in_device *in_dev;
3196 struct in_ifaddr *ifa;
3197 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3198 struct mwifiex_adapter *adapter = priv->adapter;
3199
3200 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3201 mef_entry->action = MEF_ACTION_AUTO_ARP;
3202
3203 /* Enable ARP offload feature */
3204 memset(ips, 0, sizeof(ips));
3205 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3206 if (adapter->priv[i]->netdev) {
3207 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3208 if (!in_dev)
3209 continue;
3210 ifa = in_dev->ifa_list;
3211 if (!ifa || !ifa->ifa_local)
3212 continue;
3213 ips[i] = ifa->ifa_local;
3214 num_ipv4++;
3215 }
3216 }
3217
3218 for (i = 0; i < num_ipv4; i++) {
3219 if (!ips[i])
3220 continue;
3221 mef_entry->filter[filt_num].repeat = 1;
3222 memcpy(mef_entry->filter[filt_num].byte_seq,
3223 (u8 *)&ips[i], sizeof(ips[i]));
3224 mef_entry->filter[filt_num].
3225 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3226 sizeof(ips[i]);
3227 mef_entry->filter[filt_num].offset = 46;
3228 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3229 if (filt_num) {
3230 mef_entry->filter[filt_num].filt_action =
3231 TYPE_OR;
3232 }
3233 filt_num++;
3234 }
3235
3236 mef_entry->filter[filt_num].repeat = 1;
3237 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3238 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3239 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3240 mef_entry->filter[filt_num].offset = 20;
3241 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3242 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3243 }
3244
3245 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3246 struct mwifiex_ds_mef_cfg *mef_cfg,
3247 struct mwifiex_mef_entry *mef_entry,
3248 struct cfg80211_wowlan *wowlan)
3249 {
3250 int i, filt_num = 0, ret = 0;
3251 bool first_pat = true;
3252 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3253 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3254 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3255
3256 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3257 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3258
3259 for (i = 0; i < wowlan->n_patterns; i++) {
3260 memset(byte_seq, 0, sizeof(byte_seq));
3261 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3262 byte_seq,
3263 MWIFIEX_MEF_MAX_BYTESEQ)) {
3264 mwifiex_dbg(priv->adapter, ERROR,
3265 "Pattern not supported\n");
3266 return -EOPNOTSUPP;
3267 }
3268
3269 if (!wowlan->patterns[i].pkt_offset) {
3270 if (!(byte_seq[0] & 0x01) &&
3271 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3272 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3273 continue;
3274 } else if (is_broadcast_ether_addr(byte_seq)) {
3275 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3276 continue;
3277 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3278 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3279 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3280 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3281 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3282 continue;
3283 }
3284 }
3285 mef_entry->filter[filt_num].repeat = 1;
3286 mef_entry->filter[filt_num].offset =
3287 wowlan->patterns[i].pkt_offset;
3288 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3289 sizeof(byte_seq));
3290 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3291
3292 if (first_pat) {
3293 first_pat = false;
3294 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3295 } else {
3296 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3297 }
3298
3299 filt_num++;
3300 }
3301
3302 if (wowlan->magic_pkt) {
3303 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3304 mef_entry->filter[filt_num].repeat = 16;
3305 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3306 ETH_ALEN);
3307 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3308 ETH_ALEN;
3309 mef_entry->filter[filt_num].offset = 28;
3310 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3311 if (filt_num)
3312 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3313
3314 filt_num++;
3315 mef_entry->filter[filt_num].repeat = 16;
3316 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3317 ETH_ALEN);
3318 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3319 ETH_ALEN;
3320 mef_entry->filter[filt_num].offset = 56;
3321 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3322 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3323 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3324 }
3325 return ret;
3326 }
3327
3328 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3329 struct cfg80211_wowlan *wowlan)
3330 {
3331 int ret = 0, num_entries = 1;
3332 struct mwifiex_ds_mef_cfg mef_cfg;
3333 struct mwifiex_mef_entry *mef_entry;
3334
3335 if (wowlan->n_patterns || wowlan->magic_pkt)
3336 num_entries++;
3337
3338 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3339 if (!mef_entry)
3340 return -ENOMEM;
3341
3342 memset(&mef_cfg, 0, sizeof(mef_cfg));
3343 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3344 MWIFIEX_CRITERIA_UNICAST;
3345 mef_cfg.num_entries = num_entries;
3346 mef_cfg.mef_entry = mef_entry;
3347
3348 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3349
3350 if (wowlan->n_patterns || wowlan->magic_pkt) {
3351 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3352 &mef_entry[1], wowlan);
3353 if (ret)
3354 goto err;
3355 }
3356
3357 if (!mef_cfg.criteria)
3358 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3359 MWIFIEX_CRITERIA_UNICAST |
3360 MWIFIEX_CRITERIA_MULTICAST;
3361
3362 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3363 HostCmd_ACT_GEN_SET, 0,
3364 &mef_cfg, true);
3365
3366 err:
3367 kfree(mef_entry);
3368 return ret;
3369 }
3370
3371 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3372 struct cfg80211_wowlan *wowlan)
3373 {
3374 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3375 struct mwifiex_ds_hs_cfg hs_cfg;
3376 int i, ret = 0, retry_num = 10;
3377 struct mwifiex_private *priv;
3378 struct mwifiex_private *sta_priv =
3379 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3380
3381 sta_priv->scan_aborting = true;
3382 for (i = 0; i < adapter->priv_num; i++) {
3383 priv = adapter->priv[i];
3384 mwifiex_abort_cac(priv);
3385 }
3386
3387 mwifiex_cancel_all_pending_cmd(adapter);
3388
3389 for (i = 0; i < adapter->priv_num; i++) {
3390 priv = adapter->priv[i];
3391 if (priv && priv->netdev)
3392 netif_device_detach(priv->netdev);
3393 }
3394
3395 for (i = 0; i < retry_num; i++) {
3396 if (!mwifiex_wmm_lists_empty(adapter) ||
3397 !mwifiex_bypass_txlist_empty(adapter) ||
3398 !skb_queue_empty(&adapter->tx_data_q))
3399 usleep_range(10000, 15000);
3400 else
3401 break;
3402 }
3403
3404 if (!wowlan) {
3405 mwifiex_dbg(adapter, ERROR,
3406 "None of the WOWLAN triggers enabled\n");
3407 ret = 0;
3408 goto done;
3409 }
3410
3411 if (!sta_priv->media_connected && !wowlan->nd_config) {
3412 mwifiex_dbg(adapter, ERROR,
3413 "Can not configure WOWLAN in disconnected state\n");
3414 ret = 0;
3415 goto done;
3416 }
3417
3418 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3419 if (ret) {
3420 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3421 goto done;
3422 }
3423
3424 memset(&hs_cfg, 0, sizeof(hs_cfg));
3425 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3426
3427 if (wowlan->nd_config) {
3428 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3429 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3430 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3431 wowlan->nd_config);
3432 }
3433
3434 if (wowlan->disconnect) {
3435 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3436 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3437 }
3438
3439 hs_cfg.is_invoke_hostcmd = false;
3440 hs_cfg.gpio = adapter->hs_cfg.gpio;
3441 hs_cfg.gap = adapter->hs_cfg.gap;
3442 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3443 MWIFIEX_SYNC_CMD, &hs_cfg);
3444 if (ret)
3445 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3446
3447 done:
3448 sta_priv->scan_aborting = false;
3449 return ret;
3450 }
3451
3452 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3453 {
3454 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3455 struct mwifiex_private *priv;
3456 struct mwifiex_ds_wakeup_reason wakeup_reason;
3457 struct cfg80211_wowlan_wakeup wakeup_report;
3458 int i;
3459 bool report_wakeup_reason = true;
3460
3461 for (i = 0; i < adapter->priv_num; i++) {
3462 priv = adapter->priv[i];
3463 if (priv && priv->netdev)
3464 netif_device_attach(priv->netdev);
3465 }
3466
3467 if (!wiphy->wowlan_config)
3468 goto done;
3469
3470 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3471 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3472 &wakeup_reason);
3473 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3474
3475 wakeup_report.pattern_idx = -1;
3476
3477 switch (wakeup_reason.hs_wakeup_reason) {
3478 case NO_HSWAKEUP_REASON:
3479 break;
3480 case BCAST_DATA_MATCHED:
3481 break;
3482 case MCAST_DATA_MATCHED:
3483 break;
3484 case UCAST_DATA_MATCHED:
3485 break;
3486 case MASKTABLE_EVENT_MATCHED:
3487 break;
3488 case NON_MASKABLE_EVENT_MATCHED:
3489 if (wiphy->wowlan_config->disconnect)
3490 wakeup_report.disconnect = true;
3491 if (wiphy->wowlan_config->nd_config)
3492 wakeup_report.net_detect = adapter->nd_info;
3493 break;
3494 case NON_MASKABLE_CONDITION_MATCHED:
3495 break;
3496 case MAGIC_PATTERN_MATCHED:
3497 if (wiphy->wowlan_config->magic_pkt)
3498 wakeup_report.magic_pkt = true;
3499 if (wiphy->wowlan_config->n_patterns)
3500 wakeup_report.pattern_idx = 1;
3501 break;
3502 case GTK_REKEY_FAILURE:
3503 if (wiphy->wowlan_config->gtk_rekey_failure)
3504 wakeup_report.gtk_rekey_failure = true;
3505 break;
3506 default:
3507 report_wakeup_reason = false;
3508 break;
3509 }
3510
3511 if (report_wakeup_reason)
3512 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3513 GFP_KERNEL);
3514
3515 done:
3516 if (adapter->nd_info) {
3517 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3518 kfree(adapter->nd_info->matches[i]);
3519 kfree(adapter->nd_info);
3520 adapter->nd_info = NULL;
3521 }
3522
3523 return 0;
3524 }
3525
3526 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3527 bool enabled)
3528 {
3529 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3530
3531 device_set_wakeup_enable(adapter->dev, enabled);
3532 }
3533
3534 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3535 struct cfg80211_gtk_rekey_data *data)
3536 {
3537 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3538
3539 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3540 HostCmd_ACT_GEN_SET, 0, data, true);
3541 }
3542
3543 #endif
3544
3545 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3546 {
3547 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3548 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3549 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3550
3551 if ((byte_seq[0] & 0x01) &&
3552 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3553 return PACKET_TYPE_UNICAST;
3554 else if (!memcmp(byte_seq, bc_mac, 4))
3555 return PACKET_TYPE_BROADCAST;
3556 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3557 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3558 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3559 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3560 return PACKET_TYPE_MULTICAST;
3561
3562 return 0;
3563 }
3564
3565 static int
3566 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3567 struct cfg80211_coalesce_rules *crule,
3568 struct mwifiex_coalesce_rule *mrule)
3569 {
3570 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3571 struct filt_field_param *param;
3572 int i;
3573
3574 mrule->max_coalescing_delay = crule->delay;
3575
3576 param = mrule->params;
3577
3578 for (i = 0; i < crule->n_patterns; i++) {
3579 memset(byte_seq, 0, sizeof(byte_seq));
3580 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3581 byte_seq,
3582 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3583 mwifiex_dbg(priv->adapter, ERROR,
3584 "Pattern not supported\n");
3585 return -EOPNOTSUPP;
3586 }
3587
3588 if (!crule->patterns[i].pkt_offset) {
3589 u8 pkt_type;
3590
3591 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3592 if (pkt_type && mrule->pkt_type) {
3593 mwifiex_dbg(priv->adapter, ERROR,
3594 "Multiple packet types not allowed\n");
3595 return -EOPNOTSUPP;
3596 } else if (pkt_type) {
3597 mrule->pkt_type = pkt_type;
3598 continue;
3599 }
3600 }
3601
3602 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3603 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3604 else
3605 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3606
3607 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3608 memcpy(param->operand_byte_stream, byte_seq,
3609 param->operand_len);
3610 param->offset = crule->patterns[i].pkt_offset;
3611 param++;
3612
3613 mrule->num_of_fields++;
3614 }
3615
3616 if (!mrule->pkt_type) {
3617 mwifiex_dbg(priv->adapter, ERROR,
3618 "Packet type can not be determined\n");
3619 return -EOPNOTSUPP;
3620 }
3621
3622 return 0;
3623 }
3624
3625 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3626 struct cfg80211_coalesce *coalesce)
3627 {
3628 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3629 int i, ret;
3630 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3631 struct mwifiex_private *priv =
3632 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3633
3634 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3635 if (!coalesce) {
3636 mwifiex_dbg(adapter, WARN,
3637 "Disable coalesce and reset all previous rules\n");
3638 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3639 HostCmd_ACT_GEN_SET, 0,
3640 &coalesce_cfg, true);
3641 }
3642
3643 coalesce_cfg.num_of_rules = coalesce->n_rules;
3644 for (i = 0; i < coalesce->n_rules; i++) {
3645 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3646 &coalesce_cfg.rule[i]);
3647 if (ret) {
3648 mwifiex_dbg(adapter, ERROR,
3649 "Recheck the patterns provided for rule %d\n",
3650 i + 1);
3651 return ret;
3652 }
3653 }
3654
3655 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3656 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3657 }
3658
3659 /* cfg80211 ops handler for tdls_mgmt.
3660 * Function prepares TDLS action frame packets and forwards them to FW
3661 */
3662 static int
3663 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3664 const u8 *peer, u8 action_code, u8 dialog_token,
3665 u16 status_code, u32 peer_capability,
3666 bool initiator, const u8 *extra_ies,
3667 size_t extra_ies_len)
3668 {
3669 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3670 int ret;
3671
3672 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3673 return -ENOTSUPP;
3674
3675 /* make sure we are in station mode and connected */
3676 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3677 return -ENOTSUPP;
3678
3679 switch (action_code) {
3680 case WLAN_TDLS_SETUP_REQUEST:
3681 mwifiex_dbg(priv->adapter, MSG,
3682 "Send TDLS Setup Request to %pM status_code=%d\n",
3683 peer, status_code);
3684 mwifiex_add_auto_tdls_peer(priv, peer);
3685 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3686 dialog_token, status_code,
3687 extra_ies, extra_ies_len);
3688 break;
3689 case WLAN_TDLS_SETUP_RESPONSE:
3690 mwifiex_add_auto_tdls_peer(priv, peer);
3691 mwifiex_dbg(priv->adapter, MSG,
3692 "Send TDLS Setup Response to %pM status_code=%d\n",
3693 peer, status_code);
3694 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3695 dialog_token, status_code,
3696 extra_ies, extra_ies_len);
3697 break;
3698 case WLAN_TDLS_SETUP_CONFIRM:
3699 mwifiex_dbg(priv->adapter, MSG,
3700 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3701 status_code);
3702 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3703 dialog_token, status_code,
3704 extra_ies, extra_ies_len);
3705 break;
3706 case WLAN_TDLS_TEARDOWN:
3707 mwifiex_dbg(priv->adapter, MSG,
3708 "Send TDLS Tear down to %pM\n", peer);
3709 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3710 dialog_token, status_code,
3711 extra_ies, extra_ies_len);
3712 break;
3713 case WLAN_TDLS_DISCOVERY_REQUEST:
3714 mwifiex_dbg(priv->adapter, MSG,
3715 "Send TDLS Discovery Request to %pM\n", peer);
3716 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3717 dialog_token, status_code,
3718 extra_ies, extra_ies_len);
3719 break;
3720 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3721 mwifiex_dbg(priv->adapter, MSG,
3722 "Send TDLS Discovery Response to %pM\n", peer);
3723 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3724 dialog_token, status_code,
3725 extra_ies, extra_ies_len);
3726 break;
3727 default:
3728 mwifiex_dbg(priv->adapter, ERROR,
3729 "Unknown TDLS mgmt/action frame %pM\n", peer);
3730 ret = -EINVAL;
3731 break;
3732 }
3733
3734 return ret;
3735 }
3736
3737 static int
3738 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3739 const u8 *peer, enum nl80211_tdls_operation action)
3740 {
3741 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3742
3743 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3744 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3745 return -ENOTSUPP;
3746
3747 /* make sure we are in station mode and connected */
3748 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3749 return -ENOTSUPP;
3750
3751 mwifiex_dbg(priv->adapter, MSG,
3752 "TDLS peer=%pM, oper=%d\n", peer, action);
3753
3754 switch (action) {
3755 case NL80211_TDLS_ENABLE_LINK:
3756 action = MWIFIEX_TDLS_ENABLE_LINK;
3757 break;
3758 case NL80211_TDLS_DISABLE_LINK:
3759 action = MWIFIEX_TDLS_DISABLE_LINK;
3760 break;
3761 case NL80211_TDLS_TEARDOWN:
3762 /* shouldn't happen!*/
3763 mwifiex_dbg(priv->adapter, ERROR,
3764 "tdls_oper: teardown from driver not supported\n");
3765 return -EINVAL;
3766 case NL80211_TDLS_SETUP:
3767 /* shouldn't happen!*/
3768 mwifiex_dbg(priv->adapter, ERROR,
3769 "tdls_oper: setup from driver not supported\n");
3770 return -EINVAL;
3771 case NL80211_TDLS_DISCOVERY_REQ:
3772 /* shouldn't happen!*/
3773 mwifiex_dbg(priv->adapter, ERROR,
3774 "tdls_oper: discovery from driver not supported\n");
3775 return -EINVAL;
3776 default:
3777 mwifiex_dbg(priv->adapter, ERROR,
3778 "tdls_oper: operation not supported\n");
3779 return -ENOTSUPP;
3780 }
3781
3782 return mwifiex_tdls_oper(priv, peer, action);
3783 }
3784
3785 static int
3786 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3787 const u8 *addr, u8 oper_class,
3788 struct cfg80211_chan_def *chandef)
3789 {
3790 struct mwifiex_sta_node *sta_ptr;
3791 unsigned long flags;
3792 u16 chan;
3793 u8 second_chan_offset, band;
3794 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3795
3796 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3797 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3798 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3799
3800 if (!sta_ptr) {
3801 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3802 __func__, addr);
3803 return -ENOENT;
3804 }
3805
3806 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3807 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3808 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3809 return -ENOENT;
3810 }
3811
3812 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3813 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3814 wiphy_err(wiphy, "channel switch is running, abort request\n");
3815 return -EALREADY;
3816 }
3817
3818 chan = chandef->chan->hw_value;
3819 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3820 band = chandef->chan->band;
3821 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3822
3823 return 0;
3824 }
3825
3826 static void
3827 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3828 struct net_device *dev,
3829 const u8 *addr)
3830 {
3831 struct mwifiex_sta_node *sta_ptr;
3832 unsigned long flags;
3833 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3834
3835 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3836 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3837 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3838
3839 if (!sta_ptr) {
3840 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3841 __func__, addr);
3842 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3843 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3844 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3845 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3846 addr);
3847 } else
3848 mwifiex_stop_tdls_cs(priv, addr);
3849 }
3850
3851 static int
3852 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3853 const u8 *mac, struct station_parameters *params)
3854 {
3855 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3856
3857 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3858 return -ENOTSUPP;
3859
3860 /* make sure we are in station mode and connected */
3861 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3862 return -ENOTSUPP;
3863
3864 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3865 }
3866
3867 static int
3868 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3869 struct cfg80211_csa_settings *params)
3870 {
3871 struct ieee_types_header *chsw_ie;
3872 struct ieee80211_channel_sw_ie *channel_sw;
3873 int chsw_msec;
3874 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3875
3876 if (priv->adapter->scan_processing) {
3877 mwifiex_dbg(priv->adapter, ERROR,
3878 "radar detection: scan in process...\n");
3879 return -EBUSY;
3880 }
3881
3882 if (priv->wdev.cac_started)
3883 return -EBUSY;
3884
3885 if (cfg80211_chandef_identical(&params->chandef,
3886 &priv->dfs_chandef))
3887 return -EINVAL;
3888
3889 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3890 params->beacon_csa.tail,
3891 params->beacon_csa.tail_len);
3892 if (!chsw_ie) {
3893 mwifiex_dbg(priv->adapter, ERROR,
3894 "Could not parse channel switch announcement IE\n");
3895 return -EINVAL;
3896 }
3897
3898 channel_sw = (void *)(chsw_ie + 1);
3899 if (channel_sw->mode) {
3900 if (netif_carrier_ok(priv->netdev))
3901 netif_carrier_off(priv->netdev);
3902 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3903 }
3904
3905 if (mwifiex_del_mgmt_ies(priv))
3906 mwifiex_dbg(priv->adapter, ERROR,
3907 "Failed to delete mgmt IEs!\n");
3908
3909 if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
3910 mwifiex_dbg(priv->adapter, ERROR,
3911 "%s: setting mgmt ies failed\n", __func__);
3912 return -EFAULT;
3913 }
3914
3915 memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
3916 memcpy(&priv->beacon_after, &params->beacon_after,
3917 sizeof(priv->beacon_after));
3918
3919 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
3920 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
3921 msecs_to_jiffies(chsw_msec));
3922 return 0;
3923 }
3924
3925 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
3926 struct wireless_dev *wdev,
3927 struct cfg80211_chan_def *chandef)
3928 {
3929 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3930 struct mwifiex_bssdescriptor *curr_bss;
3931 struct ieee80211_channel *chan;
3932 u8 second_chan_offset;
3933 enum nl80211_channel_type chan_type;
3934 enum nl80211_band band;
3935 int freq;
3936 int ret = -ENODATA;
3937
3938 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
3939 cfg80211_chandef_valid(&priv->bss_chandef)) {
3940 *chandef = priv->bss_chandef;
3941 ret = 0;
3942 } else if (priv->media_connected) {
3943 curr_bss = &priv->curr_bss_params.bss_descriptor;
3944 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
3945 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
3946 chan = ieee80211_get_channel(wiphy, freq);
3947
3948 if (priv->ht_param_present) {
3949 second_chan_offset = priv->assoc_resp_ht_param &
3950 IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
3951 chan_type = mwifiex_sec_chan_offset_to_chan_type
3952 (second_chan_offset);
3953 cfg80211_chandef_create(chandef, chan, chan_type);
3954 } else {
3955 cfg80211_chandef_create(chandef, chan,
3956 NL80211_CHAN_NO_HT);
3957 }
3958 ret = 0;
3959 }
3960
3961 return ret;
3962 }
3963
3964 #ifdef CONFIG_NL80211_TESTMODE
3965
3966 enum mwifiex_tm_attr {
3967 __MWIFIEX_TM_ATTR_INVALID = 0,
3968 MWIFIEX_TM_ATTR_CMD = 1,
3969 MWIFIEX_TM_ATTR_DATA = 2,
3970
3971 /* keep last */
3972 __MWIFIEX_TM_ATTR_AFTER_LAST,
3973 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
3974 };
3975
3976 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
3977 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
3978 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
3979 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
3980 };
3981
3982 enum mwifiex_tm_command {
3983 MWIFIEX_TM_CMD_HOSTCMD = 0,
3984 };
3985
3986 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
3987 void *data, int len)
3988 {
3989 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3990 struct mwifiex_ds_misc_cmd *hostcmd;
3991 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
3992 struct sk_buff *skb;
3993 int err;
3994
3995 if (!priv)
3996 return -EINVAL;
3997
3998 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy,
3999 NULL);
4000 if (err)
4001 return err;
4002
4003 if (!tb[MWIFIEX_TM_ATTR_CMD])
4004 return -EINVAL;
4005
4006 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4007 case MWIFIEX_TM_CMD_HOSTCMD:
4008 if (!tb[MWIFIEX_TM_ATTR_DATA])
4009 return -EINVAL;
4010
4011 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4012 if (!hostcmd)
4013 return -ENOMEM;
4014
4015 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4016 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4017 hostcmd->len);
4018
4019 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4020 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4021 return -EFAULT;
4022 }
4023
4024 /* process hostcmd response*/
4025 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4026 if (!skb)
4027 return -ENOMEM;
4028 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4029 hostcmd->len, hostcmd->cmd);
4030 if (err) {
4031 kfree_skb(skb);
4032 return -EMSGSIZE;
4033 }
4034
4035 err = cfg80211_testmode_reply(skb);
4036 kfree(hostcmd);
4037 return err;
4038 default:
4039 return -EOPNOTSUPP;
4040 }
4041 }
4042 #endif
4043
4044 static int
4045 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4046 struct net_device *dev,
4047 struct cfg80211_chan_def *chandef,
4048 u32 cac_time_ms)
4049 {
4050 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4051 struct mwifiex_radar_params radar_params;
4052
4053 if (priv->adapter->scan_processing) {
4054 mwifiex_dbg(priv->adapter, ERROR,
4055 "radar detection: scan already in process...\n");
4056 return -EBUSY;
4057 }
4058
4059 if (!mwifiex_is_11h_active(priv)) {
4060 mwifiex_dbg(priv->adapter, INFO,
4061 "Enable 11h extensions in FW\n");
4062 if (mwifiex_11h_activate(priv, true)) {
4063 mwifiex_dbg(priv->adapter, ERROR,
4064 "Failed to activate 11h extensions!!");
4065 return -1;
4066 }
4067 priv->state_11h.is_11h_active = true;
4068 }
4069
4070 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4071 radar_params.chandef = chandef;
4072 radar_params.cac_time_ms = cac_time_ms;
4073
4074 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4075
4076 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4077 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4078 return -1;
4079
4080 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4081 msecs_to_jiffies(cac_time_ms));
4082 return 0;
4083 }
4084
4085 static int
4086 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4087 const u8 *mac,
4088 struct station_parameters *params)
4089 {
4090 int ret;
4091 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4092
4093 /* we support change_station handler only for TDLS peers*/
4094 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4095 return -ENOTSUPP;
4096
4097 /* make sure we are in station mode and connected */
4098 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4099 return -ENOTSUPP;
4100
4101 priv->sta_params = params;
4102
4103 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4104 priv->sta_params = NULL;
4105
4106 return ret;
4107 }
4108
4109 /* station cfg80211 operations */
4110 static struct cfg80211_ops mwifiex_cfg80211_ops = {
4111 .add_virtual_intf = mwifiex_add_virtual_intf,
4112 .del_virtual_intf = mwifiex_del_virtual_intf,
4113 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4114 .scan = mwifiex_cfg80211_scan,
4115 .connect = mwifiex_cfg80211_connect,
4116 .disconnect = mwifiex_cfg80211_disconnect,
4117 .get_station = mwifiex_cfg80211_get_station,
4118 .dump_station = mwifiex_cfg80211_dump_station,
4119 .dump_survey = mwifiex_cfg80211_dump_survey,
4120 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4121 .join_ibss = mwifiex_cfg80211_join_ibss,
4122 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4123 .add_key = mwifiex_cfg80211_add_key,
4124 .del_key = mwifiex_cfg80211_del_key,
4125 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4126 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4127 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
4128 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4129 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4130 .set_default_key = mwifiex_cfg80211_set_default_key,
4131 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4132 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4133 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4134 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4135 .start_ap = mwifiex_cfg80211_start_ap,
4136 .stop_ap = mwifiex_cfg80211_stop_ap,
4137 .change_beacon = mwifiex_cfg80211_change_beacon,
4138 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4139 .set_antenna = mwifiex_cfg80211_set_antenna,
4140 .get_antenna = mwifiex_cfg80211_get_antenna,
4141 .del_station = mwifiex_cfg80211_del_station,
4142 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4143 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4144 #ifdef CONFIG_PM
4145 .suspend = mwifiex_cfg80211_suspend,
4146 .resume = mwifiex_cfg80211_resume,
4147 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4148 .set_rekey_data = mwifiex_set_rekey_data,
4149 #endif
4150 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4151 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4152 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4153 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4154 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4155 .add_station = mwifiex_cfg80211_add_station,
4156 .change_station = mwifiex_cfg80211_change_station,
4157 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4158 .get_channel = mwifiex_cfg80211_get_channel,
4159 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4160 .channel_switch = mwifiex_cfg80211_channel_switch,
4161 };
4162
4163 #ifdef CONFIG_PM
4164 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4165 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4166 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4167 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4168 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4169 .pattern_min_len = 1,
4170 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4171 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4172 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4173 };
4174 #endif
4175
4176 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4177 {
4178 if (!alpha2 || strlen(alpha2) != 2)
4179 return false;
4180
4181 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4182 return true;
4183
4184 return false;
4185 }
4186
4187 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4188 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4189 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4190 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4191 .pattern_min_len = 1,
4192 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4193 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4194 };
4195
4196 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4197 {
4198 u32 n_channels_bg, n_channels_a = 0;
4199
4200 n_channels_bg = mwifiex_band_2ghz.n_channels;
4201
4202 if (adapter->config_bands & BAND_A)
4203 n_channels_a = mwifiex_band_5ghz.n_channels;
4204
4205 adapter->num_in_chan_stats = n_channels_bg + n_channels_a;
4206 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) *
4207 adapter->num_in_chan_stats);
4208
4209 if (!adapter->chan_stats)
4210 return -ENOMEM;
4211
4212 return 0;
4213 }
4214
4215 /*
4216 * This function registers the device with CFG802.11 subsystem.
4217 *
4218 * The function creates the wireless device/wiphy, populates it with
4219 * default parameters and handler function pointers, and finally
4220 * registers the device.
4221 */
4222
4223 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4224 {
4225 int ret;
4226 void *wdev_priv;
4227 struct wiphy *wiphy;
4228 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4229 u8 *country_code;
4230 u32 thr, retry;
4231
4232 /* create a new wiphy for use with cfg80211 */
4233 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4234 sizeof(struct mwifiex_adapter *));
4235 if (!wiphy) {
4236 mwifiex_dbg(adapter, ERROR,
4237 "%s: creating new wiphy\n", __func__);
4238 return -ENOMEM;
4239 }
4240 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4241 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4242 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4243 wiphy->max_remain_on_channel_duration = 5000;
4244 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4245 BIT(NL80211_IFTYPE_ADHOC) |
4246 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4247 BIT(NL80211_IFTYPE_P2P_GO) |
4248 BIT(NL80211_IFTYPE_AP);
4249
4250 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
4251 if (adapter->config_bands & BAND_A)
4252 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
4253 else
4254 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4255
4256 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4257 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4258 else if (adapter->is_hw_11ac_capable)
4259 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4260 else
4261 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4262 wiphy->n_iface_combinations = 1;
4263
4264 /* Initialize cipher suits */
4265 wiphy->cipher_suites = mwifiex_cipher_suites;
4266 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4267
4268 if (adapter->regd) {
4269 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4270 REGULATORY_DISABLE_BEACON_HINTS |
4271 REGULATORY_COUNTRY_IE_IGNORE;
4272 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4273 }
4274
4275 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4276 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4277 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4278 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4279 WIPHY_FLAG_AP_UAPSD |
4280 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4281 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4282 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4283
4284 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4285 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4286 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4287
4288 #ifdef CONFIG_PM
4289 wiphy->wowlan = &mwifiex_wowlan_support;
4290 #endif
4291
4292 wiphy->coalesce = &mwifiex_coalesce_support;
4293
4294 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4295 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4296 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4297
4298 wiphy->max_sched_scan_reqs = 1;
4299 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4300 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4301 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4302
4303 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4304 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4305
4306 wiphy->features |= NL80211_FEATURE_HT_IBSS |
4307 NL80211_FEATURE_INACTIVITY_TIMER |
4308 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4309 NL80211_FEATURE_NEED_OBSS_SCAN |
4310 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4311 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4312 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4313
4314 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4315 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4316
4317 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4318 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4319
4320 /* Reserve space for mwifiex specific private data for BSS */
4321 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4322
4323 wiphy->reg_notifier = mwifiex_reg_notifier;
4324
4325 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4326 wdev_priv = wiphy_priv(wiphy);
4327 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4328
4329 set_wiphy_dev(wiphy, priv->adapter->dev);
4330
4331 ret = wiphy_register(wiphy);
4332 if (ret < 0) {
4333 mwifiex_dbg(adapter, ERROR,
4334 "%s: wiphy_register failed: %d\n", __func__, ret);
4335 wiphy_free(wiphy);
4336 return ret;
4337 }
4338
4339 if (!adapter->regd) {
4340 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4341 mwifiex_dbg(adapter, INFO,
4342 "driver hint alpha2: %2.2s\n", reg_alpha2);
4343 regulatory_hint(wiphy, reg_alpha2);
4344 } else {
4345 if (adapter->region_code == 0x00) {
4346 mwifiex_dbg(adapter, WARN,
4347 "Ignore world regulatory domain\n");
4348 } else {
4349 wiphy->regulatory_flags |=
4350 REGULATORY_DISABLE_BEACON_HINTS |
4351 REGULATORY_COUNTRY_IE_IGNORE;
4352 country_code =
4353 mwifiex_11d_code_2_region(
4354 adapter->region_code);
4355 if (country_code &&
4356 regulatory_hint(wiphy, country_code))
4357 mwifiex_dbg(priv->adapter, ERROR,
4358 "regulatory_hint() failed\n");
4359 }
4360 }
4361 }
4362
4363 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4364 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4365 wiphy->frag_threshold = thr;
4366 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4367 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4368 wiphy->rts_threshold = thr;
4369 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4370 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4371 wiphy->retry_short = (u8) retry;
4372 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4373 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4374 wiphy->retry_long = (u8) retry;
4375
4376 adapter->wiphy = wiphy;
4377 return ret;
4378 }
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