]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - drivers/net/wireless/marvell/mwifiex/cfg80211.c
projects / mirror_ubuntu-artful-kernel.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge branches 'uaccess.alpha', 'uaccess.arc', 'uaccess.arm', 'uaccess.arm64', 'uacce...
[mirror_ubuntu-artful-kernel.git] / drivers / net / wireless / marvell / mwifiex / cfg80211.c
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 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 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
180 sizeof(struct ieee80211_hdr_3addr));
181 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
182 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
183 buf + sizeof(struct ieee80211_hdr_3addr),
184 len - sizeof(struct ieee80211_hdr_3addr));
185
186 skb->priority = LOW_PRIO_TID;
187 __net_timestamp(skb);
188
189 return 0;
190 }
191
192 /*
193 * CFG802.11 operation handler to transmit a management frame.
194 */
195 static int
196 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
197 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
198 {
199 const u8 *buf = params->buf;
200 size_t len = params->len;
201 struct sk_buff *skb;
202 u16 pkt_len;
203 const struct ieee80211_mgmt *mgmt;
204 struct mwifiex_txinfo *tx_info;
205 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
206
207 if (!buf || !len) {
208 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
209 return -EFAULT;
210 }
211
212 mgmt = (const struct ieee80211_mgmt *)buf;
213 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
214 ieee80211_is_probe_resp(mgmt->frame_control)) {
215 /* Since we support offload probe resp, we need to skip probe
216 * resp in AP or GO mode */
217 mwifiex_dbg(priv->adapter, INFO,
218 "info: skip to send probe resp in AP or GO mode\n");
219 return 0;
220 }
221
222 pkt_len = len + ETH_ALEN;
223 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
224 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
225 pkt_len + sizeof(pkt_len));
226
227 if (!skb) {
228 mwifiex_dbg(priv->adapter, ERROR,
229 "allocate skb failed for management frame\n");
230 return -ENOMEM;
231 }
232
233 tx_info = MWIFIEX_SKB_TXCB(skb);
234 memset(tx_info, 0, sizeof(*tx_info));
235 tx_info->bss_num = priv->bss_num;
236 tx_info->bss_type = priv->bss_type;
237 tx_info->pkt_len = pkt_len;
238
239 mwifiex_form_mgmt_frame(skb, buf, len);
240 *cookie = prandom_u32() | 1;
241
242 if (ieee80211_is_action(mgmt->frame_control))
243 skb = mwifiex_clone_skb_for_tx_status(priv,
244 skb,
245 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
246 else
247 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
248 GFP_ATOMIC);
249
250 mwifiex_queue_tx_pkt(priv, skb);
251
252 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
253 return 0;
254 }
255
256 /*
257 * CFG802.11 operation handler to register a mgmt frame.
258 */
259 static void
260 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
261 struct wireless_dev *wdev,
262 u16 frame_type, bool reg)
263 {
264 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
265 u32 mask;
266
267 if (reg)
268 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
269 else
270 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
271
272 if (mask != priv->mgmt_frame_mask) {
273 priv->mgmt_frame_mask = mask;
274 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
275 HostCmd_ACT_GEN_SET, 0,
276 &priv->mgmt_frame_mask, false);
277 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
278 }
279 }
280
281 /*
282 * CFG802.11 operation handler to remain on channel.
283 */
284 static int
285 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
286 struct wireless_dev *wdev,
287 struct ieee80211_channel *chan,
288 unsigned int duration, u64 *cookie)
289 {
290 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
291 int ret;
292
293 if (!chan || !cookie) {
294 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
295 return -EINVAL;
296 }
297
298 if (priv->roc_cfg.cookie) {
299 mwifiex_dbg(priv->adapter, INFO,
300 "info: ongoing ROC, cookie = 0x%llx\n",
301 priv->roc_cfg.cookie);
302 return -EBUSY;
303 }
304
305 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
306 duration);
307
308 if (!ret) {
309 *cookie = prandom_u32() | 1;
310 priv->roc_cfg.cookie = *cookie;
311 priv->roc_cfg.chan = *chan;
312
313 cfg80211_ready_on_channel(wdev, *cookie, chan,
314 duration, GFP_ATOMIC);
315
316 mwifiex_dbg(priv->adapter, INFO,
317 "info: ROC, cookie = 0x%llx\n", *cookie);
318 }
319
320 return ret;
321 }
322
323 /*
324 * CFG802.11 operation handler to cancel remain on channel.
325 */
326 static int
327 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
328 struct wireless_dev *wdev, u64 cookie)
329 {
330 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
331 int ret;
332
333 if (cookie != priv->roc_cfg.cookie)
334 return -ENOENT;
335
336 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
337 &priv->roc_cfg.chan, 0);
338
339 if (!ret) {
340 cfg80211_remain_on_channel_expired(wdev, cookie,
341 &priv->roc_cfg.chan,
342 GFP_ATOMIC);
343
344 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
345
346 mwifiex_dbg(priv->adapter, INFO,
347 "info: cancel ROC, cookie = 0x%llx\n", cookie);
348 }
349
350 return ret;
351 }
352
353 /*
354 * CFG802.11 operation handler to set Tx power.
355 */
356 static int
357 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
358 struct wireless_dev *wdev,
359 enum nl80211_tx_power_setting type,
360 int mbm)
361 {
362 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
363 struct mwifiex_private *priv;
364 struct mwifiex_power_cfg power_cfg;
365 int dbm = MBM_TO_DBM(mbm);
366
367 if (type == NL80211_TX_POWER_FIXED) {
368 power_cfg.is_power_auto = 0;
369 power_cfg.power_level = dbm;
370 } else {
371 power_cfg.is_power_auto = 1;
372 }
373
374 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
375
376 return mwifiex_set_tx_power(priv, &power_cfg);
377 }
378
379 /*
380 * CFG802.11 operation handler to get Tx power.
381 */
382 static int
383 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
384 struct wireless_dev *wdev,
385 int *dbm)
386 {
387 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
388 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
389 MWIFIEX_BSS_ROLE_ANY);
390 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
391 HostCmd_ACT_GEN_GET, 0, NULL, true);
392
393 if (ret < 0)
394 return ret;
395
396 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
397 *dbm = priv->tx_power_level;
398
399 return 0;
400 }
401
402 /*
403 * CFG802.11 operation handler to set Power Save option.
404 *
405 * The timeout value, if provided, is currently ignored.
406 */
407 static int
408 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
409 struct net_device *dev,
410 bool enabled, int timeout)
411 {
412 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
413 u32 ps_mode;
414
415 if (timeout)
416 mwifiex_dbg(priv->adapter, INFO,
417 "info: ignore timeout value for IEEE Power Save\n");
418
419 ps_mode = enabled;
420
421 return mwifiex_drv_set_power(priv, &ps_mode);
422 }
423
424 /*
425 * CFG802.11 operation handler to set the default network key.
426 */
427 static int
428 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
429 u8 key_index, bool unicast,
430 bool multicast)
431 {
432 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
433
434 /* Return if WEP key not configured */
435 if (!priv->sec_info.wep_enabled)
436 return 0;
437
438 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
439 priv->wep_key_curr_index = key_index;
440 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
441 NULL, 0)) {
442 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
443 return -EFAULT;
444 }
445
446 return 0;
447 }
448
449 /*
450 * CFG802.11 operation handler to add a network key.
451 */
452 static int
453 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
454 u8 key_index, bool pairwise, const u8 *mac_addr,
455 struct key_params *params)
456 {
457 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
458 struct mwifiex_wep_key *wep_key;
459 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
460 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
461
462 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
463 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
464 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
465 if (params->key && params->key_len) {
466 wep_key = &priv->wep_key[key_index];
467 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
468 memcpy(wep_key->key_material, params->key,
469 params->key_len);
470 wep_key->key_index = key_index;
471 wep_key->key_length = params->key_len;
472 priv->sec_info.wep_enabled = 1;
473 }
474 return 0;
475 }
476
477 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
478 key_index, peer_mac, 0)) {
479 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
480 return -EFAULT;
481 }
482
483 return 0;
484 }
485
486 /*
487 * CFG802.11 operation handler to set default mgmt key.
488 */
489 static int
490 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
491 struct net_device *netdev,
492 u8 key_index)
493 {
494 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
495 struct mwifiex_ds_encrypt_key encrypt_key;
496
497 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);
498
499 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
500 encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
501 encrypt_key.key_index = key_index;
502 encrypt_key.is_igtk_def_key = true;
503 eth_broadcast_addr(encrypt_key.mac_addr);
504
505 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
506 HostCmd_ACT_GEN_SET, true, &encrypt_key, true);
507 }
508
509 /*
510 * This function sends domain information to the firmware.
511 *
512 * The following information are passed to the firmware -
513 * - Country codes
514 * - Sub bands (first channel, number of channels, maximum Tx power)
515 */
516 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
517 {
518 u8 no_of_triplet = 0;
519 struct ieee80211_country_ie_triplet *t;
520 u8 no_of_parsed_chan = 0;
521 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
522 u8 i, flag = 0;
523 enum nl80211_band band;
524 struct ieee80211_supported_band *sband;
525 struct ieee80211_channel *ch;
526 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
527 struct mwifiex_private *priv;
528 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
529
530 /* Set country code */
531 domain_info->country_code[0] = adapter->country_code[0];
532 domain_info->country_code[1] = adapter->country_code[1];
533 domain_info->country_code[2] = ' ';
534
535 band = mwifiex_band_to_radio_type(adapter->config_bands);
536 if (!wiphy->bands[band]) {
537 mwifiex_dbg(adapter, ERROR,
538 "11D: setting domain info in FW\n");
539 return -1;
540 }
541
542 sband = wiphy->bands[band];
543
544 for (i = 0; i < sband->n_channels ; i++) {
545 ch = &sband->channels[i];
546 if (ch->flags & IEEE80211_CHAN_DISABLED)
547 continue;
548
549 if (!flag) {
550 flag = 1;
551 first_chan = (u32) ch->hw_value;
552 next_chan = first_chan;
553 max_pwr = ch->max_power;
554 no_of_parsed_chan = 1;
555 continue;
556 }
557
558 if (ch->hw_value == next_chan + 1 &&
559 ch->max_power == max_pwr) {
560 next_chan++;
561 no_of_parsed_chan++;
562 } else {
563 t = &domain_info->triplet[no_of_triplet];
564 t->chans.first_channel = first_chan;
565 t->chans.num_channels = no_of_parsed_chan;
566 t->chans.max_power = max_pwr;
567 no_of_triplet++;
568 first_chan = (u32) ch->hw_value;
569 next_chan = first_chan;
570 max_pwr = ch->max_power;
571 no_of_parsed_chan = 1;
572 }
573 }
574
575 if (flag) {
576 t = &domain_info->triplet[no_of_triplet];
577 t->chans.first_channel = first_chan;
578 t->chans.num_channels = no_of_parsed_chan;
579 t->chans.max_power = max_pwr;
580 no_of_triplet++;
581 }
582
583 domain_info->no_of_triplet = no_of_triplet;
584
585 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
586
587 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
588 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
589 mwifiex_dbg(adapter, INFO,
590 "11D: setting domain info in FW\n");
591 return -1;
592 }
593
594 return 0;
595 }
596
597 /*
598 * CFG802.11 regulatory domain callback function.
599 *
600 * This function is called when the regulatory domain is changed due to the
601 * following reasons -
602 * - Set by driver
603 * - Set by system core
604 * - Set by user
605 * - Set bt Country IE
606 */
607 static void mwifiex_reg_notifier(struct wiphy *wiphy,
608 struct regulatory_request *request)
609 {
610 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
611 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
612 MWIFIEX_BSS_ROLE_ANY);
613 mwifiex_dbg(adapter, INFO,
614 "info: cfg80211 regulatory domain callback for %c%c\n",
615 request->alpha2[0], request->alpha2[1]);
616
617 switch (request->initiator) {
618 case NL80211_REGDOM_SET_BY_DRIVER:
619 case NL80211_REGDOM_SET_BY_CORE:
620 case NL80211_REGDOM_SET_BY_USER:
621 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
622 break;
623 default:
624 mwifiex_dbg(adapter, ERROR,
625 "unknown regdom initiator: %d\n",
626 request->initiator);
627 return;
628 }
629
630 /* Don't send world or same regdom info to firmware */
631 if (strncmp(request->alpha2, "00", 2) &&
632 strncmp(request->alpha2, adapter->country_code,
633 sizeof(request->alpha2))) {
634 memcpy(adapter->country_code, request->alpha2,
635 sizeof(request->alpha2));
636 mwifiex_send_domain_info_cmd_fw(wiphy);
637 mwifiex_dnld_txpwr_table(priv);
638 }
639 }
640
641 /*
642 * This function sets the fragmentation threshold.
643 *
644 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
645 * and MWIFIEX_FRAG_MAX_VALUE.
646 */
647 static int
648 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
649 {
650 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
651 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
652 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
653
654 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
655 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
656 &frag_thr, true);
657 }
658
659 /*
660 * This function sets the RTS threshold.
661
662 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
663 * and MWIFIEX_RTS_MAX_VALUE.
664 */
665 static int
666 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
667 {
668 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
669 rts_thr = MWIFIEX_RTS_MAX_VALUE;
670
671 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
672 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
673 &rts_thr, true);
674 }
675
676 /*
677 * CFG802.11 operation handler to set wiphy parameters.
678 *
679 * This function can be used to set the RTS threshold and the
680 * Fragmentation threshold of the driver.
681 */
682 static int
683 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
684 {
685 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
686 struct mwifiex_private *priv;
687 struct mwifiex_uap_bss_param *bss_cfg;
688 int ret;
689
690 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
691
692 switch (priv->bss_role) {
693 case MWIFIEX_BSS_ROLE_UAP:
694 if (priv->bss_started) {
695 mwifiex_dbg(adapter, ERROR,
696 "cannot change wiphy params when bss started");
697 return -EINVAL;
698 }
699
700 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
701 if (!bss_cfg)
702 return -ENOMEM;
703
704 mwifiex_set_sys_config_invalid_data(bss_cfg);
705
706 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
707 bss_cfg->rts_threshold = wiphy->rts_threshold;
708 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
709 bss_cfg->frag_threshold = wiphy->frag_threshold;
710 if (changed & WIPHY_PARAM_RETRY_LONG)
711 bss_cfg->retry_limit = wiphy->retry_long;
712
713 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
714 HostCmd_ACT_GEN_SET,
715 UAP_BSS_PARAMS_I, bss_cfg,
716 false);
717
718 kfree(bss_cfg);
719 if (ret) {
720 mwifiex_dbg(adapter, ERROR,
721 "Failed to set wiphy phy params\n");
722 return ret;
723 }
724 break;
725
726 case MWIFIEX_BSS_ROLE_STA:
727 if (priv->media_connected) {
728 mwifiex_dbg(adapter, ERROR,
729 "cannot change wiphy params when connected");
730 return -EINVAL;
731 }
732 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
733 ret = mwifiex_set_rts(priv,
734 wiphy->rts_threshold);
735 if (ret)
736 return ret;
737 }
738 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
739 ret = mwifiex_set_frag(priv,
740 wiphy->frag_threshold);
741 if (ret)
742 return ret;
743 }
744 break;
745 }
746
747 return 0;
748 }
749
750 static int
751 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
752 {
753 u16 mode = P2P_MODE_DISABLE;
754
755 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
756 HostCmd_ACT_GEN_SET, 0, &mode, true))
757 return -1;
758
759 return 0;
760 }
761
762 /*
763 * This function initializes the functionalities for P2P client.
764 * The P2P client initialization sequence is:
765 * disable -> device -> client
766 */
767 static int
768 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
769 {
770 u16 mode;
771
772 if (mwifiex_cfg80211_deinit_p2p(priv))
773 return -1;
774
775 mode = P2P_MODE_DEVICE;
776 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
777 HostCmd_ACT_GEN_SET, 0, &mode, true))
778 return -1;
779
780 mode = P2P_MODE_CLIENT;
781 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
782 HostCmd_ACT_GEN_SET, 0, &mode, true))
783 return -1;
784
785 return 0;
786 }
787
788 /*
789 * This function initializes the functionalities for P2P GO.
790 * The P2P GO initialization sequence is:
791 * disable -> device -> GO
792 */
793 static int
794 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
795 {
796 u16 mode;
797
798 if (mwifiex_cfg80211_deinit_p2p(priv))
799 return -1;
800
801 mode = P2P_MODE_DEVICE;
802 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
803 HostCmd_ACT_GEN_SET, 0, &mode, true))
804 return -1;
805
806 mode = P2P_MODE_GO;
807 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
808 HostCmd_ACT_GEN_SET, 0, &mode, true))
809 return -1;
810
811 return 0;
812 }
813
814 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
815 {
816 struct mwifiex_adapter *adapter = priv->adapter;
817 unsigned long flags;
818
819 priv->mgmt_frame_mask = 0;
820 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
821 HostCmd_ACT_GEN_SET, 0,
822 &priv->mgmt_frame_mask, false)) {
823 mwifiex_dbg(adapter, ERROR,
824 "could not unregister mgmt frame rx\n");
825 return -1;
826 }
827
828 mwifiex_deauthenticate(priv, NULL);
829
830 spin_lock_irqsave(&adapter->main_proc_lock, flags);
831 adapter->main_locked = true;
832 if (adapter->mwifiex_processing) {
833 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
834 flush_workqueue(adapter->workqueue);
835 } else {
836 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
837 }
838
839 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
840 adapter->rx_locked = true;
841 if (adapter->rx_processing) {
842 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
843 flush_workqueue(adapter->rx_workqueue);
844 } else {
845 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
846 }
847
848 mwifiex_free_priv(priv);
849 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
850 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
851 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
852
853 return 0;
854 }
855
856 static int
857 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
858 struct net_device *dev,
859 enum nl80211_iftype type)
860 {
861 struct mwifiex_adapter *adapter = priv->adapter;
862 unsigned long flags;
863
864 mwifiex_init_priv(priv);
865
866 priv->bss_mode = type;
867 priv->wdev.iftype = type;
868
869 mwifiex_init_priv_params(priv, priv->netdev);
870 priv->bss_started = 0;
871
872 switch (type) {
873 case NL80211_IFTYPE_STATION:
874 case NL80211_IFTYPE_ADHOC:
875 priv->bss_num = mwifiex_get_unused_bss_num(adapter,
876 MWIFIEX_BSS_TYPE_STA);
877 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
878 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
879 break;
880 case NL80211_IFTYPE_P2P_CLIENT:
881 priv->bss_num = mwifiex_get_unused_bss_num(adapter,
882 MWIFIEX_BSS_TYPE_P2P);
883 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
884 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
885 break;
886 case NL80211_IFTYPE_P2P_GO:
887 priv->bss_num = mwifiex_get_unused_bss_num(adapter,
888 MWIFIEX_BSS_TYPE_P2P);
889 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
890 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
891 break;
892 case NL80211_IFTYPE_AP:
893 priv->bss_num = mwifiex_get_unused_bss_num(adapter,
894 MWIFIEX_BSS_TYPE_UAP);
895 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
896 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
897 break;
898 default:
899 mwifiex_dbg(adapter, ERROR,
900 "%s: changing to %d not supported\n",
901 dev->name, type);
902 return -EOPNOTSUPP;
903 }
904
905 spin_lock_irqsave(&adapter->main_proc_lock, flags);
906 adapter->main_locked = false;
907 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
908
909 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
910 adapter->rx_locked = false;
911 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
912
913 return 0;
914 }
915
916 static int
917 mwifiex_change_vif_to_p2p(struct net_device *dev,
918 enum nl80211_iftype curr_iftype,
919 enum nl80211_iftype type, u32 *flags,
920 struct vif_params *params)
921 {
922 struct mwifiex_private *priv;
923 struct mwifiex_adapter *adapter;
924
925 priv = mwifiex_netdev_get_priv(dev);
926
927 if (!priv)
928 return -1;
929
930 adapter = priv->adapter;
931
932 if (adapter->curr_iface_comb.p2p_intf ==
933 adapter->iface_limit.p2p_intf) {
934 mwifiex_dbg(adapter, ERROR,
935 "cannot create multiple P2P ifaces\n");
936 return -1;
937 }
938
939 mwifiex_dbg(adapter, INFO,
940 "%s: changing role to p2p\n", dev->name);
941
942 if (mwifiex_deinit_priv_params(priv))
943 return -1;
944 if (mwifiex_init_new_priv_params(priv, dev, type))
945 return -1;
946
947 switch (type) {
948 case NL80211_IFTYPE_P2P_CLIENT:
949 if (mwifiex_cfg80211_init_p2p_client(priv))
950 return -EFAULT;
951 break;
952 case NL80211_IFTYPE_P2P_GO:
953 if (mwifiex_cfg80211_init_p2p_go(priv))
954 return -EFAULT;
955 break;
956 default:
957 mwifiex_dbg(adapter, ERROR,
958 "%s: changing to %d not supported\n",
959 dev->name, type);
960 return -EOPNOTSUPP;
961 }
962
963 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
964 HostCmd_ACT_GEN_SET, 0, NULL, true))
965 return -1;
966
967 if (mwifiex_sta_init_cmd(priv, false, false))
968 return -1;
969
970 switch (curr_iftype) {
971 case NL80211_IFTYPE_STATION:
972 case NL80211_IFTYPE_ADHOC:
973 adapter->curr_iface_comb.sta_intf--;
974 break;
975 case NL80211_IFTYPE_AP:
976 adapter->curr_iface_comb.uap_intf--;
977 break;
978 default:
979 break;
980 }
981
982 adapter->curr_iface_comb.p2p_intf++;
983 dev->ieee80211_ptr->iftype = type;
984
985 return 0;
986 }
987
988 static int
989 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
990 enum nl80211_iftype curr_iftype,
991 enum nl80211_iftype type, u32 *flags,
992 struct vif_params *params)
993 {
994 struct mwifiex_private *priv;
995 struct mwifiex_adapter *adapter;
996
997 priv = mwifiex_netdev_get_priv(dev);
998
999 if (!priv)
1000 return -1;
1001
1002 adapter = priv->adapter;
1003
1004 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
1005 curr_iftype != NL80211_IFTYPE_P2P_GO) &&
1006 (adapter->curr_iface_comb.sta_intf ==
1007 adapter->iface_limit.sta_intf)) {
1008 mwifiex_dbg(adapter, ERROR,
1009 "cannot create multiple station/adhoc ifaces\n");
1010 return -1;
1011 }
1012
1013 if (type == NL80211_IFTYPE_STATION)
1014 mwifiex_dbg(adapter, INFO,
1015 "%s: changing role to station\n", dev->name);
1016 else
1017 mwifiex_dbg(adapter, INFO,
1018 "%s: changing role to adhoc\n", dev->name);
1019
1020 if (mwifiex_deinit_priv_params(priv))
1021 return -1;
1022 if (mwifiex_init_new_priv_params(priv, dev, type))
1023 return -1;
1024 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1025 HostCmd_ACT_GEN_SET, 0, NULL, true))
1026 return -1;
1027 if (mwifiex_sta_init_cmd(priv, false, false))
1028 return -1;
1029
1030 switch (curr_iftype) {
1031 case NL80211_IFTYPE_P2P_CLIENT:
1032 case NL80211_IFTYPE_P2P_GO:
1033 adapter->curr_iface_comb.p2p_intf--;
1034 break;
1035 case NL80211_IFTYPE_AP:
1036 adapter->curr_iface_comb.uap_intf--;
1037 break;
1038 default:
1039 break;
1040 }
1041
1042 adapter->curr_iface_comb.sta_intf++;
1043 dev->ieee80211_ptr->iftype = type;
1044 return 0;
1045 }
1046
1047 static int
1048 mwifiex_change_vif_to_ap(struct net_device *dev,
1049 enum nl80211_iftype curr_iftype,
1050 enum nl80211_iftype type, u32 *flags,
1051 struct vif_params *params)
1052 {
1053 struct mwifiex_private *priv;
1054 struct mwifiex_adapter *adapter;
1055
1056 priv = mwifiex_netdev_get_priv(dev);
1057
1058 if (!priv)
1059 return -1;
1060
1061 adapter = priv->adapter;
1062
1063 if (adapter->curr_iface_comb.uap_intf ==
1064 adapter->iface_limit.uap_intf) {
1065 mwifiex_dbg(adapter, ERROR,
1066 "cannot create multiple AP ifaces\n");
1067 return -1;
1068 }
1069
1070 mwifiex_dbg(adapter, INFO,
1071 "%s: changing role to AP\n", dev->name);
1072
1073 if (mwifiex_deinit_priv_params(priv))
1074 return -1;
1075 if (mwifiex_init_new_priv_params(priv, dev, type))
1076 return -1;
1077 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1078 HostCmd_ACT_GEN_SET, 0, NULL, true))
1079 return -1;
1080 if (mwifiex_sta_init_cmd(priv, false, false))
1081 return -1;
1082
1083 switch (curr_iftype) {
1084 case NL80211_IFTYPE_P2P_CLIENT:
1085 case NL80211_IFTYPE_P2P_GO:
1086 adapter->curr_iface_comb.p2p_intf--;
1087 break;
1088 case NL80211_IFTYPE_STATION:
1089 case NL80211_IFTYPE_ADHOC:
1090 adapter->curr_iface_comb.sta_intf--;
1091 break;
1092 default:
1093 break;
1094 }
1095
1096 adapter->curr_iface_comb.uap_intf++;
1097 dev->ieee80211_ptr->iftype = type;
1098 return 0;
1099 }
1100 /*
1101 * CFG802.11 operation handler to change interface type.
1102 */
1103 static int
1104 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1105 struct net_device *dev,
1106 enum nl80211_iftype type, u32 *flags,
1107 struct vif_params *params)
1108 {
1109 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1110 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1111
1112 switch (curr_iftype) {
1113 case NL80211_IFTYPE_ADHOC:
1114 switch (type) {
1115 case NL80211_IFTYPE_STATION:
1116 priv->bss_mode = type;
1117 priv->sec_info.authentication_mode =
1118 NL80211_AUTHTYPE_OPEN_SYSTEM;
1119 dev->ieee80211_ptr->iftype = type;
1120 mwifiex_deauthenticate(priv, NULL);
1121 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1122 HostCmd_ACT_GEN_SET, 0, NULL,
1123 true);
1124 case NL80211_IFTYPE_P2P_CLIENT:
1125 case NL80211_IFTYPE_P2P_GO:
1126 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1127 type, flags, params);
1128 case NL80211_IFTYPE_AP:
1129 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1130 flags, params);
1131 case NL80211_IFTYPE_UNSPECIFIED:
1132 mwifiex_dbg(priv->adapter, INFO,
1133 "%s: kept type as IBSS\n", dev->name);
1134 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
1135 return 0;
1136 default:
1137 mwifiex_dbg(priv->adapter, ERROR,
1138 "%s: changing to %d not supported\n",
1139 dev->name, type);
1140 return -EOPNOTSUPP;
1141 }
1142 break;
1143 case NL80211_IFTYPE_STATION:
1144 switch (type) {
1145 case NL80211_IFTYPE_ADHOC:
1146 priv->bss_mode = type;
1147 priv->sec_info.authentication_mode =
1148 NL80211_AUTHTYPE_OPEN_SYSTEM;
1149 dev->ieee80211_ptr->iftype = type;
1150 mwifiex_deauthenticate(priv, NULL);
1151 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1152 HostCmd_ACT_GEN_SET, 0, NULL,
1153 true);
1154 case NL80211_IFTYPE_P2P_CLIENT:
1155 case NL80211_IFTYPE_P2P_GO:
1156 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1157 type, flags, params);
1158 case NL80211_IFTYPE_AP:
1159 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1160 flags, params);
1161 case NL80211_IFTYPE_UNSPECIFIED:
1162 mwifiex_dbg(priv->adapter, INFO,
1163 "%s: kept type as STA\n", dev->name);
1164 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
1165 return 0;
1166 default:
1167 mwifiex_dbg(priv->adapter, ERROR,
1168 "%s: changing to %d not supported\n",
1169 dev->name, type);
1170 return -EOPNOTSUPP;
1171 }
1172 break;
1173 case NL80211_IFTYPE_AP:
1174 switch (type) {
1175 case NL80211_IFTYPE_ADHOC:
1176 case NL80211_IFTYPE_STATION:
1177 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1178 type, flags,
1179 params);
1180 break;
1181 case NL80211_IFTYPE_P2P_CLIENT:
1182 case NL80211_IFTYPE_P2P_GO:
1183 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1184 type, flags, params);
1185 case NL80211_IFTYPE_UNSPECIFIED:
1186 mwifiex_dbg(priv->adapter, INFO,
1187 "%s: kept type as AP\n", dev->name);
1188 case NL80211_IFTYPE_AP: /* This shouldn't happen */
1189 return 0;
1190 default:
1191 mwifiex_dbg(priv->adapter, ERROR,
1192 "%s: changing to %d not supported\n",
1193 dev->name, type);
1194 return -EOPNOTSUPP;
1195 }
1196 break;
1197 case NL80211_IFTYPE_P2P_CLIENT:
1198 case NL80211_IFTYPE_P2P_GO:
1199 switch (type) {
1200 case NL80211_IFTYPE_STATION:
1201 if (mwifiex_cfg80211_deinit_p2p(priv))
1202 return -EFAULT;
1203 priv->adapter->curr_iface_comb.p2p_intf--;
1204 priv->adapter->curr_iface_comb.sta_intf++;
1205 dev->ieee80211_ptr->iftype = type;
1206 if (mwifiex_deinit_priv_params(priv))
1207 return -1;
1208 if (mwifiex_init_new_priv_params(priv, dev, type))
1209 return -1;
1210 if (mwifiex_sta_init_cmd(priv, false, false))
1211 return -1;
1212 break;
1213 case NL80211_IFTYPE_ADHOC:
1214 if (mwifiex_cfg80211_deinit_p2p(priv))
1215 return -EFAULT;
1216 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1217 type, flags,
1218 params);
1219 break;
1220 case NL80211_IFTYPE_AP:
1221 if (mwifiex_cfg80211_deinit_p2p(priv))
1222 return -EFAULT;
1223 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1224 flags, params);
1225 case NL80211_IFTYPE_UNSPECIFIED:
1226 mwifiex_dbg(priv->adapter, INFO,
1227 "%s: kept type as P2P\n", dev->name);
1228 case NL80211_IFTYPE_P2P_CLIENT:
1229 case NL80211_IFTYPE_P2P_GO:
1230 return 0;
1231 default:
1232 mwifiex_dbg(priv->adapter, ERROR,
1233 "%s: changing to %d not supported\n",
1234 dev->name, type);
1235 return -EOPNOTSUPP;
1236 }
1237 break;
1238 default:
1239 mwifiex_dbg(priv->adapter, ERROR,
1240 "%s: unknown iftype: %d\n",
1241 dev->name, dev->ieee80211_ptr->iftype);
1242 return -EOPNOTSUPP;
1243 }
1244
1245
1246 return 0;
1247 }
1248
1249 static void
1250 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
1251 struct rate_info *rate)
1252 {
1253 struct mwifiex_adapter *adapter = priv->adapter;
1254
1255 if (adapter->is_hw_11ac_capable) {
1256 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1257 if (tx_htinfo & BIT(0)) {
1258 /* HT */
1259 rate->mcs = priv->tx_rate;
1260 rate->flags |= RATE_INFO_FLAGS_MCS;
1261 }
1262 if (tx_htinfo & BIT(1)) {
1263 /* VHT */
1264 rate->mcs = priv->tx_rate & 0x0F;
1265 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1266 }
1267
1268 if (tx_htinfo & (BIT(1) | BIT(0))) {
1269 /* HT or VHT */
1270 switch (tx_htinfo & (BIT(3) | BIT(2))) {
1271 case 0:
1272 rate->bw = RATE_INFO_BW_20;
1273 break;
1274 case (BIT(2)):
1275 rate->bw = RATE_INFO_BW_40;
1276 break;
1277 case (BIT(3)):
1278 rate->bw = RATE_INFO_BW_80;
1279 break;
1280 case (BIT(3) | BIT(2)):
1281 rate->bw = RATE_INFO_BW_160;
1282 break;
1283 }
1284
1285 if (tx_htinfo & BIT(4))
1286 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1287
1288 if ((priv->tx_rate >> 4) == 1)
1289 rate->nss = 2;
1290 else
1291 rate->nss = 1;
1292 }
1293 } else {
1294 /*
1295 * Bit 0 in tx_htinfo indicates that current Tx rate
1296 * is 11n rate. Valid MCS index values for us are 0 to 15.
1297 */
1298 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
1299 rate->mcs = priv->tx_rate;
1300 rate->flags |= RATE_INFO_FLAGS_MCS;
1301 rate->bw = RATE_INFO_BW_20;
1302 if (tx_htinfo & BIT(1))
1303 rate->bw = RATE_INFO_BW_40;
1304 if (tx_htinfo & BIT(2))
1305 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1306 }
1307 }
1308 }
1309
1310 /*
1311 * This function dumps the station information on a buffer.
1312 *
1313 * The following information are shown -
1314 * - Total bytes transmitted
1315 * - Total bytes received
1316 * - Total packets transmitted
1317 * - Total packets received
1318 * - Signal quality level
1319 * - Transmission rate
1320 */
1321 static int
1322 mwifiex_dump_station_info(struct mwifiex_private *priv,
1323 struct mwifiex_sta_node *node,
1324 struct station_info *sinfo)
1325 {
1326 u32 rate;
1327
1328 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) |
1329 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) |
1330 BIT(NL80211_STA_INFO_TX_BITRATE) |
1331 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG);
1332
1333 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1334 if (!node)
1335 return -ENOENT;
1336
1337 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) |
1338 BIT(NL80211_STA_INFO_TX_FAILED);
1339 sinfo->inactive_time =
1340 jiffies_to_msecs(jiffies - node->stats.last_rx);
1341
1342 sinfo->signal = node->stats.rssi;
1343 sinfo->signal_avg = node->stats.rssi;
1344 sinfo->rx_bytes = node->stats.rx_bytes;
1345 sinfo->tx_bytes = node->stats.tx_bytes;
1346 sinfo->rx_packets = node->stats.rx_packets;
1347 sinfo->tx_packets = node->stats.tx_packets;
1348 sinfo->tx_failed = node->stats.tx_failed;
1349
1350 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo,
1351 &sinfo->txrate);
1352 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1353
1354 return 0;
1355 }
1356
1357 /* Get signal information from the firmware */
1358 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1359 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1360 mwifiex_dbg(priv->adapter, ERROR,
1361 "failed to get signal information\n");
1362 return -EFAULT;
1363 }
1364
1365 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1366 mwifiex_dbg(priv->adapter, ERROR,
1367 "getting data rate error\n");
1368 return -EFAULT;
1369 }
1370
1371 /* Get DTIM period information from firmware */
1372 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1373 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1374 &priv->dtim_period, true);
1375
1376 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
1377
1378 sinfo->signal_avg = priv->bcn_rssi_avg;
1379 sinfo->rx_bytes = priv->stats.rx_bytes;
1380 sinfo->tx_bytes = priv->stats.tx_bytes;
1381 sinfo->rx_packets = priv->stats.rx_packets;
1382 sinfo->tx_packets = priv->stats.tx_packets;
1383 sinfo->signal = priv->bcn_rssi_avg;
1384 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1385 sinfo->txrate.legacy = rate * 5;
1386
1387 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1388 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
1389 sinfo->bss_param.flags = 0;
1390 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1391 WLAN_CAPABILITY_SHORT_PREAMBLE)
1392 sinfo->bss_param.flags |=
1393 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1394 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1395 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1396 sinfo->bss_param.flags |=
1397 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1398 sinfo->bss_param.dtim_period = priv->dtim_period;
1399 sinfo->bss_param.beacon_interval =
1400 priv->curr_bss_params.bss_descriptor.beacon_period;
1401 }
1402
1403 return 0;
1404 }
1405
1406 /*
1407 * CFG802.11 operation handler to get station information.
1408 *
1409 * This function only works in connected mode, and dumps the
1410 * requested station information, if available.
1411 */
1412 static int
1413 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1414 const u8 *mac, struct station_info *sinfo)
1415 {
1416 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1417
1418 if (!priv->media_connected)
1419 return -ENOENT;
1420 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1421 return -ENOENT;
1422
1423 return mwifiex_dump_station_info(priv, NULL, sinfo);
1424 }
1425
1426 /*
1427 * CFG802.11 operation handler to dump station information.
1428 */
1429 static int
1430 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1431 int idx, u8 *mac, struct station_info *sinfo)
1432 {
1433 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1434 static struct mwifiex_sta_node *node;
1435
1436 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1437 priv->media_connected && idx == 0) {
1438 ether_addr_copy(mac, priv->cfg_bssid);
1439 return mwifiex_dump_station_info(priv, NULL, sinfo);
1440 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1441 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1442 HostCmd_ACT_GEN_GET, 0, NULL, true);
1443
1444 if (node && (&node->list == &priv->sta_list)) {
1445 node = NULL;
1446 return -ENOENT;
1447 }
1448
1449 node = list_prepare_entry(node, &priv->sta_list, list);
1450 list_for_each_entry_continue(node, &priv->sta_list, list) {
1451 ether_addr_copy(mac, node->mac_addr);
1452 return mwifiex_dump_station_info(priv, node, sinfo);
1453 }
1454 }
1455
1456 return -ENOENT;
1457 }
1458
1459 static int
1460 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1461 int idx, struct survey_info *survey)
1462 {
1463 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1464 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1465 enum nl80211_band band;
1466
1467 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1468
1469 memset(survey, 0, sizeof(struct survey_info));
1470
1471 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1472 priv->media_connected && idx == 0) {
1473 u8 curr_bss_band = priv->curr_bss_params.band;
1474 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1475
1476 band = mwifiex_band_to_radio_type(curr_bss_band);
1477 survey->channel = ieee80211_get_channel(wiphy,
1478 ieee80211_channel_to_frequency(chan, band));
1479
1480 if (priv->bcn_nf_last) {
1481 survey->filled = SURVEY_INFO_NOISE_DBM;
1482 survey->noise = priv->bcn_nf_last;
1483 }
1484 return 0;
1485 }
1486
1487 if (idx >= priv->adapter->num_in_chan_stats)
1488 return -ENOENT;
1489
1490 if (!pchan_stats[idx].cca_scan_dur)
1491 return 0;
1492
1493 band = pchan_stats[idx].bandcfg;
1494 survey->channel = ieee80211_get_channel(wiphy,
1495 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1496 survey->filled = SURVEY_INFO_NOISE_DBM |
1497 SURVEY_INFO_TIME |
1498 SURVEY_INFO_TIME_BUSY;
1499 survey->noise = pchan_stats[idx].noise;
1500 survey->time = pchan_stats[idx].cca_scan_dur;
1501 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1502
1503 return 0;
1504 }
1505
1506 /* Supported rates to be advertised to the cfg80211 */
1507 static struct ieee80211_rate mwifiex_rates[] = {
1508 {.bitrate = 10, .hw_value = 2, },
1509 {.bitrate = 20, .hw_value = 4, },
1510 {.bitrate = 55, .hw_value = 11, },
1511 {.bitrate = 110, .hw_value = 22, },
1512 {.bitrate = 60, .hw_value = 12, },
1513 {.bitrate = 90, .hw_value = 18, },
1514 {.bitrate = 120, .hw_value = 24, },
1515 {.bitrate = 180, .hw_value = 36, },
1516 {.bitrate = 240, .hw_value = 48, },
1517 {.bitrate = 360, .hw_value = 72, },
1518 {.bitrate = 480, .hw_value = 96, },
1519 {.bitrate = 540, .hw_value = 108, },
1520 };
1521
1522 /* Channel definitions to be advertised to cfg80211 */
1523 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1524 {.center_freq = 2412, .hw_value = 1, },
1525 {.center_freq = 2417, .hw_value = 2, },
1526 {.center_freq = 2422, .hw_value = 3, },
1527 {.center_freq = 2427, .hw_value = 4, },
1528 {.center_freq = 2432, .hw_value = 5, },
1529 {.center_freq = 2437, .hw_value = 6, },
1530 {.center_freq = 2442, .hw_value = 7, },
1531 {.center_freq = 2447, .hw_value = 8, },
1532 {.center_freq = 2452, .hw_value = 9, },
1533 {.center_freq = 2457, .hw_value = 10, },
1534 {.center_freq = 2462, .hw_value = 11, },
1535 {.center_freq = 2467, .hw_value = 12, },
1536 {.center_freq = 2472, .hw_value = 13, },
1537 {.center_freq = 2484, .hw_value = 14, },
1538 };
1539
1540 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1541 .channels = mwifiex_channels_2ghz,
1542 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1543 .bitrates = mwifiex_rates,
1544 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1545 };
1546
1547 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1548 {.center_freq = 5040, .hw_value = 8, },
1549 {.center_freq = 5060, .hw_value = 12, },
1550 {.center_freq = 5080, .hw_value = 16, },
1551 {.center_freq = 5170, .hw_value = 34, },
1552 {.center_freq = 5190, .hw_value = 38, },
1553 {.center_freq = 5210, .hw_value = 42, },
1554 {.center_freq = 5230, .hw_value = 46, },
1555 {.center_freq = 5180, .hw_value = 36, },
1556 {.center_freq = 5200, .hw_value = 40, },
1557 {.center_freq = 5220, .hw_value = 44, },
1558 {.center_freq = 5240, .hw_value = 48, },
1559 {.center_freq = 5260, .hw_value = 52, },
1560 {.center_freq = 5280, .hw_value = 56, },
1561 {.center_freq = 5300, .hw_value = 60, },
1562 {.center_freq = 5320, .hw_value = 64, },
1563 {.center_freq = 5500, .hw_value = 100, },
1564 {.center_freq = 5520, .hw_value = 104, },
1565 {.center_freq = 5540, .hw_value = 108, },
1566 {.center_freq = 5560, .hw_value = 112, },
1567 {.center_freq = 5580, .hw_value = 116, },
1568 {.center_freq = 5600, .hw_value = 120, },
1569 {.center_freq = 5620, .hw_value = 124, },
1570 {.center_freq = 5640, .hw_value = 128, },
1571 {.center_freq = 5660, .hw_value = 132, },
1572 {.center_freq = 5680, .hw_value = 136, },
1573 {.center_freq = 5700, .hw_value = 140, },
1574 {.center_freq = 5745, .hw_value = 149, },
1575 {.center_freq = 5765, .hw_value = 153, },
1576 {.center_freq = 5785, .hw_value = 157, },
1577 {.center_freq = 5805, .hw_value = 161, },
1578 {.center_freq = 5825, .hw_value = 165, },
1579 };
1580
1581 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1582 .channels = mwifiex_channels_5ghz,
1583 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1584 .bitrates = mwifiex_rates + 4,
1585 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1586 };
1587
1588
1589 /* Supported crypto cipher suits to be advertised to cfg80211 */
1590 static const u32 mwifiex_cipher_suites[] = {
1591 WLAN_CIPHER_SUITE_WEP40,
1592 WLAN_CIPHER_SUITE_WEP104,
1593 WLAN_CIPHER_SUITE_TKIP,
1594 WLAN_CIPHER_SUITE_CCMP,
1595 WLAN_CIPHER_SUITE_SMS4,
1596 WLAN_CIPHER_SUITE_AES_CMAC,
1597 };
1598
1599 /* Supported mgmt frame types to be advertised to cfg80211 */
1600 static const struct ieee80211_txrx_stypes
1601 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1602 [NL80211_IFTYPE_STATION] = {
1603 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1604 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1605 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1606 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1607 },
1608 [NL80211_IFTYPE_AP] = {
1609 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1610 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1611 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1612 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1613 },
1614 [NL80211_IFTYPE_P2P_CLIENT] = {
1615 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1616 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1617 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1618 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1619 },
1620 [NL80211_IFTYPE_P2P_GO] = {
1621 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1622 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1623 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1624 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1625 },
1626 };
1627
1628 /*
1629 * CFG802.11 operation handler for setting bit rates.
1630 *
1631 * Function configures data rates to firmware using bitrate mask
1632 * provided by cfg80211.
1633 */
1634 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1635 struct net_device *dev,
1636 const u8 *peer,
1637 const struct cfg80211_bitrate_mask *mask)
1638 {
1639 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1640 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1641 enum nl80211_band band;
1642 struct mwifiex_adapter *adapter = priv->adapter;
1643
1644 if (!priv->media_connected) {
1645 mwifiex_dbg(adapter, ERROR,
1646 "Can not set Tx data rate in disconnected state\n");
1647 return -EINVAL;
1648 }
1649
1650 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1651
1652 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1653
1654 /* Fill HR/DSSS rates. */
1655 if (band == NL80211_BAND_2GHZ)
1656 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1657
1658 /* Fill OFDM rates */
1659 if (band == NL80211_BAND_2GHZ)
1660 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1661 else
1662 bitmap_rates[1] = mask->control[band].legacy;
1663
1664 /* Fill HT MCS rates */
1665 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1666 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1667 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1668
1669 /* Fill VHT MCS rates */
1670 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1671 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1672 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1673 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1674 }
1675
1676 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1677 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1678 }
1679
1680 /*
1681 * CFG802.11 operation handler for connection quality monitoring.
1682 *
1683 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1684 * events to FW.
1685 */
1686 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1687 struct net_device *dev,
1688 s32 rssi_thold, u32 rssi_hyst)
1689 {
1690 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1691 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1692
1693 priv->cqm_rssi_thold = rssi_thold;
1694 priv->cqm_rssi_hyst = rssi_hyst;
1695
1696 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1697 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1698
1699 /* Subscribe/unsubscribe low and high rssi events */
1700 if (rssi_thold && rssi_hyst) {
1701 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1702 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1703 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1704 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1705 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1706 return mwifiex_send_cmd(priv,
1707 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1708 0, 0, &subsc_evt, true);
1709 } else {
1710 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1711 return mwifiex_send_cmd(priv,
1712 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1713 0, 0, &subsc_evt, true);
1714 }
1715
1716 return 0;
1717 }
1718
1719 /* cfg80211 operation handler for change_beacon.
1720 * Function retrieves and sets modified management IEs to FW.
1721 */
1722 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1723 struct net_device *dev,
1724 struct cfg80211_beacon_data *data)
1725 {
1726 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1727 struct mwifiex_adapter *adapter = priv->adapter;
1728
1729 mwifiex_cancel_scan(adapter);
1730
1731 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1732 mwifiex_dbg(priv->adapter, ERROR,
1733 "%s: bss_type mismatched\n", __func__);
1734 return -EINVAL;
1735 }
1736
1737 if (!priv->bss_started) {
1738 mwifiex_dbg(priv->adapter, ERROR,
1739 "%s: bss not started\n", __func__);
1740 return -EINVAL;
1741 }
1742
1743 if (mwifiex_set_mgmt_ies(priv, data)) {
1744 mwifiex_dbg(priv->adapter, ERROR,
1745 "%s: setting mgmt ies failed\n", __func__);
1746 return -EFAULT;
1747 }
1748
1749 return 0;
1750 }
1751
1752 /* cfg80211 operation handler for del_station.
1753 * Function deauthenticates station which value is provided in mac parameter.
1754 * If mac is NULL/broadcast, all stations in associated station list are
1755 * deauthenticated. If bss is not started or there are no stations in
1756 * associated stations list, no action is taken.
1757 */
1758 static int
1759 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1760 struct station_del_parameters *params)
1761 {
1762 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1763 struct mwifiex_sta_node *sta_node;
1764 u8 deauth_mac[ETH_ALEN];
1765 unsigned long flags;
1766
1767 if (!priv->bss_started && priv->wdev.cac_started) {
1768 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1769 mwifiex_abort_cac(priv);
1770 }
1771
1772 if (list_empty(&priv->sta_list) || !priv->bss_started)
1773 return 0;
1774
1775 if (!params->mac || is_broadcast_ether_addr(params->mac))
1776 return 0;
1777
1778 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1779 __func__, params->mac);
1780
1781 eth_zero_addr(deauth_mac);
1782
1783 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1784 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1785 if (sta_node)
1786 ether_addr_copy(deauth_mac, params->mac);
1787 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1788
1789 if (is_valid_ether_addr(deauth_mac)) {
1790 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1791 HostCmd_ACT_GEN_SET, 0,
1792 deauth_mac, true))
1793 return -1;
1794 }
1795
1796 return 0;
1797 }
1798
1799 static int
1800 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1801 {
1802 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1803 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1804 MWIFIEX_BSS_ROLE_ANY);
1805 struct mwifiex_ds_ant_cfg ant_cfg;
1806
1807 if (!tx_ant || !rx_ant)
1808 return -EOPNOTSUPP;
1809
1810 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1811 /* Not a MIMO chip. User should provide specific antenna number
1812 * for Tx/Rx path or enable all antennas for diversity
1813 */
1814 if (tx_ant != rx_ant)
1815 return -EOPNOTSUPP;
1816
1817 if ((tx_ant & (tx_ant - 1)) &&
1818 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1819 return -EOPNOTSUPP;
1820
1821 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1822 (priv->adapter->number_of_antenna > 1)) {
1823 tx_ant = RF_ANTENNA_AUTO;
1824 rx_ant = RF_ANTENNA_AUTO;
1825 }
1826 } else {
1827 struct ieee80211_sta_ht_cap *ht_info;
1828 int rx_mcs_supp;
1829 enum nl80211_band band;
1830
1831 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1832 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1833 if (adapter->is_hw_11ac_capable)
1834 adapter->usr_dot_11ac_mcs_support =
1835 MWIFIEX_11AC_MCS_MAP_1X1;
1836 } else {
1837 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1838 if (adapter->is_hw_11ac_capable)
1839 adapter->usr_dot_11ac_mcs_support =
1840 MWIFIEX_11AC_MCS_MAP_2X2;
1841 }
1842
1843 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1844 if (!adapter->wiphy->bands[band])
1845 continue;
1846
1847 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1848 rx_mcs_supp =
1849 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1850 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1851 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1852 }
1853 }
1854
1855 ant_cfg.tx_ant = tx_ant;
1856 ant_cfg.rx_ant = rx_ant;
1857
1858 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1859 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1860 }
1861
1862 static int
1863 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1864 {
1865 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1866 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1867 MWIFIEX_BSS_ROLE_ANY);
1868 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1869 HostCmd_ACT_GEN_GET, 0, NULL, true);
1870
1871 *tx_ant = priv->tx_ant;
1872 *rx_ant = priv->rx_ant;
1873
1874 return 0;
1875 }
1876
1877 /* cfg80211 operation handler for stop ap.
1878 * Function stops BSS running at uAP interface.
1879 */
1880 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1881 {
1882 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1883
1884 mwifiex_abort_cac(priv);
1885
1886 if (mwifiex_del_mgmt_ies(priv))
1887 mwifiex_dbg(priv->adapter, ERROR,
1888 "Failed to delete mgmt IEs!\n");
1889
1890 priv->ap_11n_enabled = 0;
1891 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1892
1893 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1894 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1895 mwifiex_dbg(priv->adapter, ERROR,
1896 "Failed to stop the BSS\n");
1897 return -1;
1898 }
1899
1900 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
1901 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1902 mwifiex_dbg(priv->adapter, ERROR,
1903 "Failed to reset BSS\n");
1904 return -1;
1905 }
1906
1907 if (netif_carrier_ok(priv->netdev))
1908 netif_carrier_off(priv->netdev);
1909 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
1910
1911 return 0;
1912 }
1913
1914 /* cfg80211 operation handler for start_ap.
1915 * Function sets beacon period, DTIM period, SSID and security into
1916 * AP config structure.
1917 * AP is configured with these settings and BSS is started.
1918 */
1919 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1920 struct net_device *dev,
1921 struct cfg80211_ap_settings *params)
1922 {
1923 struct mwifiex_uap_bss_param *bss_cfg;
1924 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1925
1926 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1927 return -1;
1928
1929 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1930 if (!bss_cfg)
1931 return -ENOMEM;
1932
1933 mwifiex_set_sys_config_invalid_data(bss_cfg);
1934
1935 if (params->beacon_interval)
1936 bss_cfg->beacon_period = params->beacon_interval;
1937 if (params->dtim_period)
1938 bss_cfg->dtim_period = params->dtim_period;
1939
1940 if (params->ssid && params->ssid_len) {
1941 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1942 bss_cfg->ssid.ssid_len = params->ssid_len;
1943 }
1944 if (params->inactivity_timeout > 0) {
1945 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1946 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1947 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1948 }
1949
1950 switch (params->hidden_ssid) {
1951 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1952 bss_cfg->bcast_ssid_ctl = 1;
1953 break;
1954 case NL80211_HIDDEN_SSID_ZERO_LEN:
1955 bss_cfg->bcast_ssid_ctl = 0;
1956 break;
1957 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1958 /* firmware doesn't support this type of hidden SSID */
1959 default:
1960 kfree(bss_cfg);
1961 return -EINVAL;
1962 }
1963
1964 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
1965 mwifiex_set_uap_rates(bss_cfg, params);
1966
1967 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1968 mwifiex_dbg(priv->adapter, ERROR,
1969 "Failed to parse secuirty parameters!\n");
1970 goto out;
1971 }
1972
1973 mwifiex_set_ht_params(priv, bss_cfg, params);
1974
1975 if (priv->adapter->is_hw_11ac_capable) {
1976 mwifiex_set_vht_params(priv, bss_cfg, params);
1977 mwifiex_set_vht_width(priv, params->chandef.width,
1978 priv->ap_11ac_enabled);
1979 }
1980
1981 if (priv->ap_11ac_enabled)
1982 mwifiex_set_11ac_ba_params(priv);
1983 else
1984 mwifiex_set_ba_params(priv);
1985
1986 mwifiex_set_wmm_params(priv, bss_cfg, params);
1987
1988 if (mwifiex_is_11h_active(priv))
1989 mwifiex_set_tpc_params(priv, bss_cfg, params);
1990
1991 if (mwifiex_is_11h_active(priv) &&
1992 !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
1993 priv->bss_mode)) {
1994 mwifiex_dbg(priv->adapter, INFO,
1995 "Disable 11h extensions in FW\n");
1996 if (mwifiex_11h_activate(priv, false)) {
1997 mwifiex_dbg(priv->adapter, ERROR,
1998 "Failed to disable 11h extensions!!");
1999 goto out;
2000 }
2001 priv->state_11h.is_11h_active = false;
2002 }
2003
2004 if (mwifiex_config_start_uap(priv, bss_cfg)) {
2005 mwifiex_dbg(priv->adapter, ERROR,
2006 "Failed to start AP\n");
2007 goto out;
2008 }
2009
2010 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
2011 goto out;
2012
2013 if (!netif_carrier_ok(priv->netdev))
2014 netif_carrier_on(priv->netdev);
2015 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2016
2017 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2018 kfree(bss_cfg);
2019 return 0;
2020
2021 out:
2022 kfree(bss_cfg);
2023 return -1;
2024 }
2025
2026 /*
2027 * CFG802.11 operation handler for disconnection request.
2028 *
2029 * This function does not work when there is already a disconnection
2030 * procedure going on.
2031 */
2032 static int
2033 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2034 u16 reason_code)
2035 {
2036 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2037
2038 if (!mwifiex_stop_bg_scan(priv))
2039 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);
2040
2041 if (mwifiex_deauthenticate(priv, NULL))
2042 return -EFAULT;
2043
2044 eth_zero_addr(priv->cfg_bssid);
2045 priv->hs2_enabled = false;
2046
2047 return 0;
2048 }
2049
2050 /*
2051 * This function informs the CFG802.11 subsystem of a new IBSS.
2052 *
2053 * The following information are sent to the CFG802.11 subsystem
2054 * to register the new IBSS. If we do not register the new IBSS,
2055 * a kernel panic will result.
2056 * - SSID
2057 * - SSID length
2058 * - BSSID
2059 * - Channel
2060 */
2061 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2062 {
2063 struct ieee80211_channel *chan;
2064 struct mwifiex_bss_info bss_info;
2065 struct cfg80211_bss *bss;
2066 int ie_len;
2067 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2068 enum nl80211_band band;
2069
2070 if (mwifiex_get_bss_info(priv, &bss_info))
2071 return -1;
2072
2073 ie_buf[0] = WLAN_EID_SSID;
2074 ie_buf[1] = bss_info.ssid.ssid_len;
2075
2076 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2077 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2078 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2079
2080 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2081 chan = ieee80211_get_channel(priv->wdev.wiphy,
2082 ieee80211_channel_to_frequency(bss_info.bss_chan,
2083 band));
2084
2085 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2086 CFG80211_BSS_FTYPE_UNKNOWN,
2087 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2088 0, ie_buf, ie_len, 0, GFP_KERNEL);
2089 if (bss) {
2090 cfg80211_put_bss(priv->wdev.wiphy, bss);
2091 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2092 }
2093
2094 return 0;
2095 }
2096
2097 /*
2098 * This function connects with a BSS.
2099 *
2100 * This function handles both Infra and Ad-Hoc modes. It also performs
2101 * validity checking on the provided parameters, disconnects from the
2102 * current BSS (if any), sets up the association/scan parameters,
2103 * including security settings, and performs specific SSID scan before
2104 * trying to connect.
2105 *
2106 * For Infra mode, the function returns failure if the specified SSID
2107 * is not found in scan table. However, for Ad-Hoc mode, it can create
2108 * the IBSS if it does not exist. On successful completion in either case,
2109 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2110 */
2111 static int
2112 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2113 const u8 *ssid, const u8 *bssid, int mode,
2114 struct ieee80211_channel *channel,
2115 struct cfg80211_connect_params *sme, bool privacy)
2116 {
2117 struct cfg80211_ssid req_ssid;
2118 int ret, auth_type = 0;
2119 struct cfg80211_bss *bss = NULL;
2120 u8 is_scanning_required = 0;
2121
2122 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2123
2124 req_ssid.ssid_len = ssid_len;
2125 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2126 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2127 return -EINVAL;
2128 }
2129
2130 memcpy(req_ssid.ssid, ssid, ssid_len);
2131 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2132 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2133 return -EINVAL;
2134 }
2135
2136 /* As this is new association, clear locally stored
2137 * keys and security related flags */
2138 priv->sec_info.wpa_enabled = false;
2139 priv->sec_info.wpa2_enabled = false;
2140 priv->wep_key_curr_index = 0;
2141 priv->sec_info.encryption_mode = 0;
2142 priv->sec_info.is_authtype_auto = 0;
2143 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2144
2145 if (mode == NL80211_IFTYPE_ADHOC) {
2146 u16 enable = true;
2147
2148 /* set ibss coalescing_status */
2149 ret = mwifiex_send_cmd(
2150 priv,
2151 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2152 HostCmd_ACT_GEN_SET, 0, &enable, true);
2153 if (ret)
2154 return ret;
2155
2156 /* "privacy" is set only for ad-hoc mode */
2157 if (privacy) {
2158 /*
2159 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2160 * the firmware can find a matching network from the
2161 * scan. The cfg80211 does not give us the encryption
2162 * mode at this stage so just setting it to WEP here.
2163 */
2164 priv->sec_info.encryption_mode =
2165 WLAN_CIPHER_SUITE_WEP104;
2166 priv->sec_info.authentication_mode =
2167 NL80211_AUTHTYPE_OPEN_SYSTEM;
2168 }
2169
2170 goto done;
2171 }
2172
2173 /* Now handle infra mode. "sme" is valid for infra mode only */
2174 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2175 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2176 priv->sec_info.is_authtype_auto = 1;
2177 } else {
2178 auth_type = sme->auth_type;
2179 }
2180
2181 if (sme->crypto.n_ciphers_pairwise) {
2182 priv->sec_info.encryption_mode =
2183 sme->crypto.ciphers_pairwise[0];
2184 priv->sec_info.authentication_mode = auth_type;
2185 }
2186
2187 if (sme->crypto.cipher_group) {
2188 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2189 priv->sec_info.authentication_mode = auth_type;
2190 }
2191 if (sme->ie)
2192 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2193
2194 if (sme->key) {
2195 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2196 mwifiex_dbg(priv->adapter, INFO,
2197 "info: setting wep encryption\t"
2198 "with key len %d\n", sme->key_len);
2199 priv->wep_key_curr_index = sme->key_idx;
2200 ret = mwifiex_set_encode(priv, NULL, sme->key,
2201 sme->key_len, sme->key_idx,
2202 NULL, 0);
2203 }
2204 }
2205 done:
2206 /*
2207 * Scan entries are valid for some time (15 sec). So we can save one
2208 * active scan time if we just try cfg80211_get_bss first. If it fails
2209 * then request scan and cfg80211_get_bss() again for final output.
2210 */
2211 while (1) {
2212 if (is_scanning_required) {
2213 /* Do specific SSID scanning */
2214 if (mwifiex_request_scan(priv, &req_ssid)) {
2215 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2216 return -EFAULT;
2217 }
2218 }
2219
2220 /* Find the BSS we want using available scan results */
2221 if (mode == NL80211_IFTYPE_ADHOC)
2222 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2223 bssid, ssid, ssid_len,
2224 IEEE80211_BSS_TYPE_IBSS,
2225 IEEE80211_PRIVACY_ANY);
2226 else
2227 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2228 bssid, ssid, ssid_len,
2229 IEEE80211_BSS_TYPE_ESS,
2230 IEEE80211_PRIVACY_ANY);
2231
2232 if (!bss) {
2233 if (is_scanning_required) {
2234 mwifiex_dbg(priv->adapter, WARN,
2235 "assoc: requested bss not found in scan results\n");
2236 break;
2237 }
2238 is_scanning_required = 1;
2239 } else {
2240 mwifiex_dbg(priv->adapter, MSG,
2241 "info: trying to associate to '%.*s' bssid %pM\n",
2242 req_ssid.ssid_len, (char *)req_ssid.ssid,
2243 bss->bssid);
2244 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2245 break;
2246 }
2247 }
2248
2249 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2250 if (ret)
2251 return ret;
2252
2253 if (mode == NL80211_IFTYPE_ADHOC) {
2254 /* Inform the BSS information to kernel, otherwise
2255 * kernel will give a panic after successful assoc */
2256 if (mwifiex_cfg80211_inform_ibss_bss(priv))
2257 return -EFAULT;
2258 }
2259
2260 return ret;
2261 }
2262
2263 /*
2264 * CFG802.11 operation handler for association request.
2265 *
2266 * This function does not work when the current mode is set to Ad-Hoc, or
2267 * when there is already an association procedure going on. The given BSS
2268 * information is used to associate.
2269 */
2270 static int
2271 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2272 struct cfg80211_connect_params *sme)
2273 {
2274 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2275 struct mwifiex_adapter *adapter = priv->adapter;
2276 int ret;
2277
2278 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2279 mwifiex_dbg(adapter, ERROR,
2280 "%s: reject infra assoc request in non-STA role\n",
2281 dev->name);
2282 return -EINVAL;
2283 }
2284
2285 if (priv->wdev.current_bss) {
2286 mwifiex_dbg(adapter, ERROR,
2287 "%s: already connected\n", dev->name);
2288 return -EALREADY;
2289 }
2290
2291 if (priv->scan_block)
2292 priv->scan_block = false;
2293
2294 if (adapter->surprise_removed || adapter->is_cmd_timedout) {
2295 mwifiex_dbg(adapter, ERROR,
2296 "%s: Ignore connection.\t"
2297 "Card removed or FW in bad state\n",
2298 dev->name);
2299 return -EFAULT;
2300 }
2301
2302 mwifiex_dbg(adapter, INFO,
2303 "info: Trying to associate to %.*s and bssid %pM\n",
2304 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid);
2305
2306 if (!mwifiex_stop_bg_scan(priv))
2307 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);
2308
2309 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2310 priv->bss_mode, sme->channel, sme, 0);
2311 if (!ret) {
2312 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
2313 NULL, 0, WLAN_STATUS_SUCCESS,
2314 GFP_KERNEL);
2315 mwifiex_dbg(priv->adapter, MSG,
2316 "info: associated to bssid %pM successfully\n",
2317 priv->cfg_bssid);
2318 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2319 priv->adapter->auto_tdls &&
2320 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2321 mwifiex_setup_auto_tdls_timer(priv);
2322 } else {
2323 mwifiex_dbg(priv->adapter, ERROR,
2324 "info: association to bssid %pM failed\n",
2325 priv->cfg_bssid);
2326 eth_zero_addr(priv->cfg_bssid);
2327
2328 if (ret > 0)
2329 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2330 NULL, 0, NULL, 0, ret,
2331 GFP_KERNEL);
2332 else
2333 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2334 NULL, 0, NULL, 0,
2335 WLAN_STATUS_UNSPECIFIED_FAILURE,
2336 GFP_KERNEL);
2337 }
2338
2339 return 0;
2340 }
2341
2342 /*
2343 * This function sets following parameters for ibss network.
2344 * - channel
2345 * - start band
2346 * - 11n flag
2347 * - secondary channel offset
2348 */
2349 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2350 struct cfg80211_ibss_params *params)
2351 {
2352 struct mwifiex_adapter *adapter = priv->adapter;
2353 int index = 0, i;
2354 u8 config_bands = 0;
2355
2356 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2357 if (!params->basic_rates) {
2358 config_bands = BAND_B | BAND_G;
2359 } else {
2360 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2361 /*
2362 * Rates below 6 Mbps in the table are CCK
2363 * rates; 802.11b and from 6 they are OFDM;
2364 * 802.11G
2365 */
2366 if (mwifiex_rates[i].bitrate == 60) {
2367 index = 1 << i;
2368 break;
2369 }
2370 }
2371
2372 if (params->basic_rates < index) {
2373 config_bands = BAND_B;
2374 } else {
2375 config_bands = BAND_G;
2376 if (params->basic_rates % index)
2377 config_bands |= BAND_B;
2378 }
2379 }
2380
2381 if (cfg80211_get_chandef_type(&params->chandef) !=
2382 NL80211_CHAN_NO_HT)
2383 config_bands |= BAND_G | BAND_GN;
2384 } else {
2385 if (cfg80211_get_chandef_type(&params->chandef) ==
2386 NL80211_CHAN_NO_HT)
2387 config_bands = BAND_A;
2388 else
2389 config_bands = BAND_AN | BAND_A;
2390 }
2391
2392 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2393 adapter->config_bands = config_bands;
2394 adapter->adhoc_start_band = config_bands;
2395
2396 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2397 adapter->adhoc_11n_enabled = true;
2398 else
2399 adapter->adhoc_11n_enabled = false;
2400 }
2401
2402 adapter->sec_chan_offset =
2403 mwifiex_chan_type_to_sec_chan_offset(
2404 cfg80211_get_chandef_type(&params->chandef));
2405 priv->adhoc_channel = ieee80211_frequency_to_channel(
2406 params->chandef.chan->center_freq);
2407
2408 mwifiex_dbg(adapter, INFO,
2409 "info: set ibss band %d, chan %d, chan offset %d\n",
2410 config_bands, priv->adhoc_channel,
2411 adapter->sec_chan_offset);
2412
2413 return 0;
2414 }
2415
2416 /*
2417 * CFG802.11 operation handler to join an IBSS.
2418 *
2419 * This function does not work in any mode other than Ad-Hoc, or if
2420 * a join operation is already in progress.
2421 */
2422 static int
2423 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2424 struct cfg80211_ibss_params *params)
2425 {
2426 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2427 int ret = 0;
2428
2429 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2430 mwifiex_dbg(priv->adapter, ERROR,
2431 "request to join ibss received\t"
2432 "when station is not in ibss mode\n");
2433 goto done;
2434 }
2435
2436 mwifiex_dbg(priv->adapter, MSG,
2437 "info: trying to join to %.*s and bssid %pM\n",
2438 params->ssid_len, (char *)params->ssid, params->bssid);
2439
2440 mwifiex_set_ibss_params(priv, params);
2441
2442 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2443 params->bssid, priv->bss_mode,
2444 params->chandef.chan, NULL,
2445 params->privacy);
2446 done:
2447 if (!ret) {
2448 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2449 params->chandef.chan, GFP_KERNEL);
2450 mwifiex_dbg(priv->adapter, MSG,
2451 "info: joined/created adhoc network with bssid\t"
2452 "%pM successfully\n", priv->cfg_bssid);
2453 } else {
2454 mwifiex_dbg(priv->adapter, ERROR,
2455 "info: failed creating/joining adhoc network\n");
2456 }
2457
2458 return ret;
2459 }
2460
2461 /*
2462 * CFG802.11 operation handler to leave an IBSS.
2463 *
2464 * This function does not work if a leave operation is
2465 * already in progress.
2466 */
2467 static int
2468 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2469 {
2470 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2471
2472 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2473 priv->cfg_bssid);
2474 if (mwifiex_deauthenticate(priv, NULL))
2475 return -EFAULT;
2476
2477 eth_zero_addr(priv->cfg_bssid);
2478
2479 return 0;
2480 }
2481
2482 /*
2483 * CFG802.11 operation handler for scan request.
2484 *
2485 * This function issues a scan request to the firmware based upon
2486 * the user specified scan configuration. On successful completion,
2487 * it also informs the results.
2488 */
2489 static int
2490 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2491 struct cfg80211_scan_request *request)
2492 {
2493 struct net_device *dev = request->wdev->netdev;
2494 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2495 int i, offset, ret;
2496 struct ieee80211_channel *chan;
2497 struct ieee_types_header *ie;
2498 struct mwifiex_user_scan_cfg *user_scan_cfg;
2499
2500 mwifiex_dbg(priv->adapter, CMD,
2501 "info: received scan request on %s\n", dev->name);
2502
2503 /* Block scan request if scan operation or scan cleanup when interface
2504 * is disabled is in process
2505 */
2506 if (priv->scan_request || priv->scan_aborting) {
2507 mwifiex_dbg(priv->adapter, WARN,
2508 "cmd: Scan already in process..\n");
2509 return -EBUSY;
2510 }
2511
2512 if (!priv->wdev.current_bss && priv->scan_block)
2513 priv->scan_block = false;
2514
2515 if (!mwifiex_stop_bg_scan(priv))
2516 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy);
2517
2518 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2519 if (!user_scan_cfg)
2520 return -ENOMEM;
2521
2522 priv->scan_request = request;
2523
2524 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2525 ether_addr_copy(priv->random_mac, request->mac_addr);
2526 for (i = 0; i < ETH_ALEN; i++) {
2527 priv->random_mac[i] &= request->mac_addr_mask[i];
2528 priv->random_mac[i] |= get_random_int() &
2529 ~(request->mac_addr_mask[i]);
2530 }
2531 }
2532
2533 ether_addr_copy(user_scan_cfg->random_mac, priv->random_mac);
2534 user_scan_cfg->num_ssids = request->n_ssids;
2535 user_scan_cfg->ssid_list = request->ssids;
2536
2537 if (request->ie && request->ie_len) {
2538 offset = 0;
2539 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2540 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2541 continue;
2542 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2543 ie = (struct ieee_types_header *)(request->ie + offset);
2544 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2545 offset += sizeof(*ie) + ie->len;
2546
2547 if (offset >= request->ie_len)
2548 break;
2549 }
2550 }
2551
2552 for (i = 0; i < min_t(u32, request->n_channels,
2553 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2554 chan = request->channels[i];
2555 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2556 user_scan_cfg->chan_list[i].radio_type = chan->band;
2557
2558 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2559 user_scan_cfg->chan_list[i].scan_type =
2560 MWIFIEX_SCAN_TYPE_PASSIVE;
2561 else
2562 user_scan_cfg->chan_list[i].scan_type =
2563 MWIFIEX_SCAN_TYPE_ACTIVE;
2564
2565 user_scan_cfg->chan_list[i].scan_time = 0;
2566 }
2567
2568 if (priv->adapter->scan_chan_gap_enabled &&
2569 mwifiex_is_any_intf_active(priv))
2570 user_scan_cfg->scan_chan_gap =
2571 priv->adapter->scan_chan_gap_time;
2572
2573 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2574 kfree(user_scan_cfg);
2575 if (ret) {
2576 mwifiex_dbg(priv->adapter, ERROR,
2577 "scan failed: %d\n", ret);
2578 priv->scan_aborting = false;
2579 priv->scan_request = NULL;
2580 return ret;
2581 }
2582
2583 if (request->ie && request->ie_len) {
2584 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2585 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2586 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2587 memset(&priv->vs_ie[i].ie, 0,
2588 MWIFIEX_MAX_VSIE_LEN);
2589 }
2590 }
2591 }
2592 return 0;
2593 }
2594
2595 /* CFG802.11 operation handler for sched_scan_start.
2596 *
2597 * This function issues a bgscan config request to the firmware based upon
2598 * the user specified sched_scan configuration. On successful completion,
2599 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2600 * query command to get sched_scan results from firmware.
2601 */
2602 static int
2603 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2604 struct net_device *dev,
2605 struct cfg80211_sched_scan_request *request)
2606 {
2607 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2608 int i, offset;
2609 struct ieee80211_channel *chan;
2610 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2611 struct ieee_types_header *ie;
2612
2613 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2614 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2615 __func__);
2616 return -EINVAL;
2617 }
2618
2619 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2620 request->n_ssids, request->n_match_sets);
2621 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2622 request->n_channels, request->scan_plans->interval,
2623 (int)request->ie_len);
2624
2625 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2626 if (!bgscan_cfg)
2627 return -ENOMEM;
2628
2629 if (priv->scan_request || priv->scan_aborting)
2630 bgscan_cfg->start_later = true;
2631
2632 bgscan_cfg->num_ssids = request->n_match_sets;
2633 bgscan_cfg->ssid_list = request->match_sets;
2634
2635 if (request->ie && request->ie_len) {
2636 offset = 0;
2637 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2638 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2639 continue;
2640 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2641 ie = (struct ieee_types_header *)(request->ie + offset);
2642 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2643 offset += sizeof(*ie) + ie->len;
2644
2645 if (offset >= request->ie_len)
2646 break;
2647 }
2648 }
2649
2650 for (i = 0; i < min_t(u32, request->n_channels,
2651 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2652 chan = request->channels[i];
2653 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2654 bgscan_cfg->chan_list[i].radio_type = chan->band;
2655
2656 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2657 bgscan_cfg->chan_list[i].scan_type =
2658 MWIFIEX_SCAN_TYPE_PASSIVE;
2659 else
2660 bgscan_cfg->chan_list[i].scan_type =
2661 MWIFIEX_SCAN_TYPE_ACTIVE;
2662
2663 bgscan_cfg->chan_list[i].scan_time = 0;
2664 }
2665
2666 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2667 MWIFIEX_BG_SCAN_CHAN_MAX);
2668
2669 /* Use at least 15 second for per scan cycle */
2670 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2671 MWIFIEX_BGSCAN_INTERVAL) ?
2672 request->scan_plans->interval :
2673 MWIFIEX_BGSCAN_INTERVAL;
2674
2675 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2676 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2677 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2678 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2679 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2680 bgscan_cfg->enable = true;
2681 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2682 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2683 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2684 }
2685
2686 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2687 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2688 kfree(bgscan_cfg);
2689 return -EFAULT;
2690 }
2691
2692 priv->sched_scanning = true;
2693
2694 kfree(bgscan_cfg);
2695 return 0;
2696 }
2697
2698 /* CFG802.11 operation handler for sched_scan_stop.
2699 *
2700 * This function issues a bgscan config command to disable
2701 * previous bgscan configuration in the firmware
2702 */
2703 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2704 struct net_device *dev)
2705 {
2706 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2707
2708 wiphy_info(wiphy, "sched scan stop!");
2709 mwifiex_stop_bg_scan(priv);
2710
2711 return 0;
2712 }
2713
2714 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2715 struct mwifiex_private *priv)
2716 {
2717 struct mwifiex_adapter *adapter = priv->adapter;
2718
2719 vht_info->vht_supported = true;
2720
2721 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2722 /* Update MCS support for VHT */
2723 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2724 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2725 vht_info->vht_mcs.rx_highest = 0;
2726 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2727 adapter->hw_dot_11ac_mcs_support >> 16);
2728 vht_info->vht_mcs.tx_highest = 0;
2729 }
2730
2731 /*
2732 * This function sets up the CFG802.11 specific HT capability fields
2733 * with default values.
2734 *
2735 * The following default values are set -
2736 * - HT Supported = True
2737 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2738 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2739 * - HT Capabilities supported by firmware
2740 * - MCS information, Rx mask = 0xff
2741 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2742 */
2743 static void
2744 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2745 struct mwifiex_private *priv)
2746 {
2747 int rx_mcs_supp;
2748 struct ieee80211_mcs_info mcs_set;
2749 u8 *mcs = (u8 *)&mcs_set;
2750 struct mwifiex_adapter *adapter = priv->adapter;
2751
2752 ht_info->ht_supported = true;
2753 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2754 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2755
2756 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2757
2758 /* Fill HT capability information */
2759 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2760 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2761 else
2762 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2763
2764 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2765 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2766 else
2767 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2768
2769 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2770 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2771 else
2772 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2773
2774 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2775 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2776 else
2777 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2778
2779 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2780 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2781 else
2782 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2783
2784 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2785 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2786 else
2787 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2788
2789 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2790 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2791 else
2792 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2793
2794 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2795 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2796 else
2797 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2798
2799 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2800 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2801
2802 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2803 /* Set MCS for 1x1/2x2 */
2804 memset(mcs, 0xff, rx_mcs_supp);
2805 /* Clear all the other values */
2806 memset(&mcs[rx_mcs_supp], 0,
2807 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2808 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2809 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2810 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2811 SETHT_MCS32(mcs_set.rx_mask);
2812
2813 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2814
2815 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2816 }
2817
2818 /*
2819 * create a new virtual interface with the given name and name assign type
2820 */
2821 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2822 const char *name,
2823 unsigned char name_assign_type,
2824 enum nl80211_iftype type,
2825 u32 *flags,
2826 struct vif_params *params)
2827 {
2828 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2829 struct mwifiex_private *priv;
2830 struct net_device *dev;
2831 void *mdev_priv;
2832 int ret;
2833
2834 if (!adapter)
2835 return ERR_PTR(-EFAULT);
2836
2837 switch (type) {
2838 case NL80211_IFTYPE_UNSPECIFIED:
2839 case NL80211_IFTYPE_STATION:
2840 case NL80211_IFTYPE_ADHOC:
2841 if (adapter->curr_iface_comb.sta_intf ==
2842 adapter->iface_limit.sta_intf) {
2843 mwifiex_dbg(adapter, ERROR,
2844 "cannot create multiple sta/adhoc ifaces\n");
2845 return ERR_PTR(-EINVAL);
2846 }
2847
2848 priv = mwifiex_get_unused_priv_by_bss_type(
2849 adapter, MWIFIEX_BSS_TYPE_STA);
2850 if (!priv) {
2851 mwifiex_dbg(adapter, ERROR,
2852 "could not get free private struct\n");
2853 return ERR_PTR(-EFAULT);
2854 }
2855
2856 priv->wdev.wiphy = wiphy;
2857 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2858
2859 if (type == NL80211_IFTYPE_UNSPECIFIED)
2860 priv->bss_mode = NL80211_IFTYPE_STATION;
2861 else
2862 priv->bss_mode = type;
2863
2864 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2865 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2866 priv->bss_priority = 0;
2867 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2868
2869 break;
2870 case NL80211_IFTYPE_AP:
2871 if (adapter->curr_iface_comb.uap_intf ==
2872 adapter->iface_limit.uap_intf) {
2873 mwifiex_dbg(adapter, ERROR,
2874 "cannot create multiple AP ifaces\n");
2875 return ERR_PTR(-EINVAL);
2876 }
2877
2878 priv = mwifiex_get_unused_priv_by_bss_type(
2879 adapter, MWIFIEX_BSS_TYPE_UAP);
2880 if (!priv) {
2881 mwifiex_dbg(adapter, ERROR,
2882 "could not get free private struct\n");
2883 return ERR_PTR(-EFAULT);
2884 }
2885
2886 priv->wdev.wiphy = wiphy;
2887 priv->wdev.iftype = NL80211_IFTYPE_AP;
2888
2889 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2890 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2891 priv->bss_priority = 0;
2892 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2893 priv->bss_started = 0;
2894 priv->bss_mode = type;
2895
2896 break;
2897 case NL80211_IFTYPE_P2P_CLIENT:
2898 if (adapter->curr_iface_comb.p2p_intf ==
2899 adapter->iface_limit.p2p_intf) {
2900 mwifiex_dbg(adapter, ERROR,
2901 "cannot create multiple P2P ifaces\n");
2902 return ERR_PTR(-EINVAL);
2903 }
2904
2905 priv = mwifiex_get_unused_priv_by_bss_type(
2906 adapter, MWIFIEX_BSS_TYPE_P2P);
2907 if (!priv) {
2908 mwifiex_dbg(adapter, ERROR,
2909 "could not get free private struct\n");
2910 return ERR_PTR(-EFAULT);
2911 }
2912
2913 priv->wdev.wiphy = wiphy;
2914 /* At start-up, wpa_supplicant tries to change the interface
2915 * to NL80211_IFTYPE_STATION if it is not managed mode.
2916 */
2917 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2918 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2919
2920 /* Setting bss_type to P2P tells firmware that this interface
2921 * is receiving P2P peers found during find phase and doing
2922 * action frame handshake.
2923 */
2924 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2925
2926 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2927 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2928 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2929 priv->bss_started = 0;
2930
2931 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2932 memset(&priv->wdev, 0, sizeof(priv->wdev));
2933 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2934 return ERR_PTR(-EFAULT);
2935 }
2936
2937 break;
2938 default:
2939 mwifiex_dbg(adapter, ERROR, "type not supported\n");
2940 return ERR_PTR(-EINVAL);
2941 }
2942
2943 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2944 name_assign_type, ether_setup,
2945 IEEE80211_NUM_ACS, 1);
2946 if (!dev) {
2947 mwifiex_dbg(adapter, ERROR,
2948 "no memory available for netdevice\n");
2949 memset(&priv->wdev, 0, sizeof(priv->wdev));
2950 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2951 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2952 return ERR_PTR(-ENOMEM);
2953 }
2954
2955 mwifiex_init_priv_params(priv, dev);
2956 priv->netdev = dev;
2957
2958 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
2959 HostCmd_ACT_GEN_SET, 0, NULL, true);
2960 if (ret)
2961 return ERR_PTR(ret);
2962
2963 ret = mwifiex_sta_init_cmd(priv, false, false);
2964 if (ret)
2965 return ERR_PTR(ret);
2966
2967 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
2968 if (adapter->is_hw_11ac_capable)
2969 mwifiex_setup_vht_caps(
2970 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
2971
2972 if (adapter->config_bands & BAND_A)
2973 mwifiex_setup_ht_caps(
2974 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
2975
2976 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2977 mwifiex_setup_vht_caps(
2978 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
2979
2980 dev_net_set(dev, wiphy_net(wiphy));
2981 dev->ieee80211_ptr = &priv->wdev;
2982 dev->ieee80211_ptr->iftype = priv->bss_mode;
2983 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
2984 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2985
2986 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2987 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2988 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2989 dev->ethtool_ops = &mwifiex_ethtool_ops;
2990
2991 mdev_priv = netdev_priv(dev);
2992 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2993
2994 SET_NETDEV_DEV(dev, adapter->dev);
2995
2996 /* Register network device */
2997 if (register_netdevice(dev)) {
2998 mwifiex_dbg(adapter, ERROR,
2999 "cannot register virtual network device\n");
3000 free_netdev(dev);
3001 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3002 priv->netdev = NULL;
3003 memset(&priv->wdev, 0, sizeof(priv->wdev));
3004 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3005 return ERR_PTR(-EFAULT);
3006 }
3007
3008 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3009 WQ_HIGHPRI |
3010 WQ_MEM_RECLAIM |
3011 WQ_UNBOUND, 1, name);
3012 if (!priv->dfs_cac_workqueue) {
3013 mwifiex_dbg(adapter, ERROR,
3014 "cannot register virtual network device\n");
3015 free_netdev(dev);
3016 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3017 priv->netdev = NULL;
3018 memset(&priv->wdev, 0, sizeof(priv->wdev));
3019 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3020 return ERR_PTR(-ENOMEM);
3021 }
3022
3023 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3024
3025 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3026 WQ_HIGHPRI | WQ_UNBOUND |
3027 WQ_MEM_RECLAIM, 1, name);
3028 if (!priv->dfs_chan_sw_workqueue) {
3029 mwifiex_dbg(adapter, ERROR,
3030 "cannot register virtual network device\n");
3031 free_netdev(dev);
3032 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3033 priv->netdev = NULL;
3034 memset(&priv->wdev, 0, sizeof(priv->wdev));
3035 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3036 destroy_workqueue(priv->dfs_cac_workqueue);
3037 priv->dfs_cac_workqueue = NULL;
3038 return ERR_PTR(-ENOMEM);
3039 }
3040
3041 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3042 mwifiex_dfs_chan_sw_work_queue);
3043
3044 sema_init(&priv->async_sem, 1);
3045
3046 mwifiex_dbg(adapter, INFO,
3047 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3048
3049 #ifdef CONFIG_DEBUG_FS
3050 mwifiex_dev_debugfs_init(priv);
3051 #endif
3052
3053 switch (type) {
3054 case NL80211_IFTYPE_UNSPECIFIED:
3055 case NL80211_IFTYPE_STATION:
3056 case NL80211_IFTYPE_ADHOC:
3057 adapter->curr_iface_comb.sta_intf++;
3058 break;
3059 case NL80211_IFTYPE_AP:
3060 adapter->curr_iface_comb.uap_intf++;
3061 break;
3062 case NL80211_IFTYPE_P2P_CLIENT:
3063 adapter->curr_iface_comb.p2p_intf++;
3064 break;
3065 default:
3066 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3067 return ERR_PTR(-EINVAL);
3068 }
3069
3070 return &priv->wdev;
3071 }
3072 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3073
3074 /*
3075 * del_virtual_intf: remove the virtual interface determined by dev
3076 */
3077 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3078 {
3079 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3080 struct mwifiex_adapter *adapter = priv->adapter;
3081 struct sk_buff *skb, *tmp;
3082
3083 #ifdef CONFIG_DEBUG_FS
3084 mwifiex_dev_debugfs_remove(priv);
3085 #endif
3086
3087 if (priv->sched_scanning)
3088 priv->sched_scanning = false;
3089
3090 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3091
3092 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3093 skb_unlink(skb, &priv->bypass_txq);
3094 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3095 }
3096
3097 if (netif_carrier_ok(priv->netdev))
3098 netif_carrier_off(priv->netdev);
3099
3100 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3101 unregister_netdevice(wdev->netdev);
3102
3103 if (priv->dfs_cac_workqueue) {
3104 flush_workqueue(priv->dfs_cac_workqueue);
3105 destroy_workqueue(priv->dfs_cac_workqueue);
3106 priv->dfs_cac_workqueue = NULL;
3107 }
3108
3109 if (priv->dfs_chan_sw_workqueue) {
3110 flush_workqueue(priv->dfs_chan_sw_workqueue);
3111 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3112 priv->dfs_chan_sw_workqueue = NULL;
3113 }
3114 /* Clear the priv in adapter */
3115 priv->netdev->ieee80211_ptr = NULL;
3116 priv->netdev = NULL;
3117 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3118
3119 priv->media_connected = false;
3120
3121 switch (priv->bss_mode) {
3122 case NL80211_IFTYPE_UNSPECIFIED:
3123 case NL80211_IFTYPE_STATION:
3124 case NL80211_IFTYPE_ADHOC:
3125 adapter->curr_iface_comb.sta_intf--;
3126 break;
3127 case NL80211_IFTYPE_AP:
3128 adapter->curr_iface_comb.uap_intf--;
3129 break;
3130 case NL80211_IFTYPE_P2P_CLIENT:
3131 case NL80211_IFTYPE_P2P_GO:
3132 adapter->curr_iface_comb.p2p_intf--;
3133 break;
3134 default:
3135 mwifiex_dbg(adapter, ERROR,
3136 "del_virtual_intf: type not supported\n");
3137 break;
3138 }
3139
3140 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3141
3142 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3143 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3144 kfree(priv->hist_data);
3145
3146 return 0;
3147 }
3148 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3149
3150 static bool
3151 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3152 u8 max_byte_seq)
3153 {
3154 int j, k, valid_byte_cnt = 0;
3155 bool dont_care_byte = false;
3156
3157 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3158 for (k = 0; k < 8; k++) {
3159 if (pat->mask[j] & 1 << k) {
3160 memcpy(byte_seq + valid_byte_cnt,
3161 &pat->pattern[j * 8 + k], 1);
3162 valid_byte_cnt++;
3163 if (dont_care_byte)
3164 return false;
3165 } else {
3166 if (valid_byte_cnt)
3167 dont_care_byte = true;
3168 }
3169
3170 /* wildcard bytes record as the offset
3171 * before the valid byte
3172 */
3173 if (!valid_byte_cnt && !dont_care_byte)
3174 pat->pkt_offset++;
3175
3176 if (valid_byte_cnt > max_byte_seq)
3177 return false;
3178 }
3179 }
3180
3181 byte_seq[max_byte_seq] = valid_byte_cnt;
3182
3183 return true;
3184 }
3185
3186 #ifdef CONFIG_PM
3187 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3188 struct mwifiex_mef_entry *mef_entry)
3189 {
3190 int i, filt_num = 0, num_ipv4 = 0;
3191 struct in_device *in_dev;
3192 struct in_ifaddr *ifa;
3193 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3194 struct mwifiex_adapter *adapter = priv->adapter;
3195
3196 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3197 mef_entry->action = MEF_ACTION_AUTO_ARP;
3198
3199 /* Enable ARP offload feature */
3200 memset(ips, 0, sizeof(ips));
3201 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3202 if (adapter->priv[i]->netdev) {
3203 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3204 if (!in_dev)
3205 continue;
3206 ifa = in_dev->ifa_list;
3207 if (!ifa || !ifa->ifa_local)
3208 continue;
3209 ips[i] = ifa->ifa_local;
3210 num_ipv4++;
3211 }
3212 }
3213
3214 for (i = 0; i < num_ipv4; i++) {
3215 if (!ips[i])
3216 continue;
3217 mef_entry->filter[filt_num].repeat = 1;
3218 memcpy(mef_entry->filter[filt_num].byte_seq,
3219 (u8 *)&ips[i], sizeof(ips[i]));
3220 mef_entry->filter[filt_num].
3221 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3222 sizeof(ips[i]);
3223 mef_entry->filter[filt_num].offset = 46;
3224 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3225 if (filt_num) {
3226 mef_entry->filter[filt_num].filt_action =
3227 TYPE_OR;
3228 }
3229 filt_num++;
3230 }
3231
3232 mef_entry->filter[filt_num].repeat = 1;
3233 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3234 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3235 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3236 mef_entry->filter[filt_num].offset = 20;
3237 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3238 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3239 }
3240
3241 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3242 struct mwifiex_ds_mef_cfg *mef_cfg,
3243 struct mwifiex_mef_entry *mef_entry,
3244 struct cfg80211_wowlan *wowlan)
3245 {
3246 int i, filt_num = 0, ret = 0;
3247 bool first_pat = true;
3248 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3249 const u8 ipv4_mc_mac[] = {0x33, 0x33};
3250 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3251
3252 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3253 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3254
3255 for (i = 0; i < wowlan->n_patterns; i++) {
3256 memset(byte_seq, 0, sizeof(byte_seq));
3257 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3258 byte_seq,
3259 MWIFIEX_MEF_MAX_BYTESEQ)) {
3260 mwifiex_dbg(priv->adapter, ERROR,
3261 "Pattern not supported\n");
3262 return -EOPNOTSUPP;
3263 }
3264
3265 if (!wowlan->patterns[i].pkt_offset) {
3266 if (!(byte_seq[0] & 0x01) &&
3267 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3268 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3269 continue;
3270 } else if (is_broadcast_ether_addr(byte_seq)) {
3271 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3272 continue;
3273 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3274 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3275 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3276 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3277 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3278 continue;
3279 }
3280 }
3281 mef_entry->filter[filt_num].repeat = 1;
3282 mef_entry->filter[filt_num].offset =
3283 wowlan->patterns[i].pkt_offset;
3284 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3285 sizeof(byte_seq));
3286 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3287
3288 if (first_pat) {
3289 first_pat = false;
3290 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3291 } else {
3292 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3293 }
3294
3295 filt_num++;
3296 }
3297
3298 if (wowlan->magic_pkt) {
3299 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3300 mef_entry->filter[filt_num].repeat = 16;
3301 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3302 ETH_ALEN);
3303 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3304 ETH_ALEN;
3305 mef_entry->filter[filt_num].offset = 28;
3306 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3307 if (filt_num)
3308 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3309
3310 filt_num++;
3311 mef_entry->filter[filt_num].repeat = 16;
3312 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3313 ETH_ALEN);
3314 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3315 ETH_ALEN;
3316 mef_entry->filter[filt_num].offset = 56;
3317 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3318 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3319 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3320 }
3321 return ret;
3322 }
3323
3324 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3325 struct cfg80211_wowlan *wowlan)
3326 {
3327 int ret = 0, num_entries = 1;
3328 struct mwifiex_ds_mef_cfg mef_cfg;
3329 struct mwifiex_mef_entry *mef_entry;
3330
3331 if (wowlan->n_patterns || wowlan->magic_pkt)
3332 num_entries++;
3333
3334 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3335 if (!mef_entry)
3336 return -ENOMEM;
3337
3338 memset(&mef_cfg, 0, sizeof(mef_cfg));
3339 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3340 MWIFIEX_CRITERIA_UNICAST;
3341 mef_cfg.num_entries = num_entries;
3342 mef_cfg.mef_entry = mef_entry;
3343
3344 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3345
3346 if (wowlan->n_patterns || wowlan->magic_pkt) {
3347 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3348 &mef_entry[1], wowlan);
3349 if (ret)
3350 goto err;
3351 }
3352
3353 if (!mef_cfg.criteria)
3354 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3355 MWIFIEX_CRITERIA_UNICAST |
3356 MWIFIEX_CRITERIA_MULTICAST;
3357
3358 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3359 HostCmd_ACT_GEN_SET, 0,
3360 &mef_cfg, true);
3361
3362 err:
3363 kfree(mef_entry);
3364 return ret;
3365 }
3366
3367 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3368 struct cfg80211_wowlan *wowlan)
3369 {
3370 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3371 struct mwifiex_ds_hs_cfg hs_cfg;
3372 int i, ret = 0, retry_num = 10;
3373 struct mwifiex_private *priv;
3374 struct mwifiex_private *sta_priv =
3375 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3376
3377 sta_priv->scan_aborting = true;
3378 for (i = 0; i < adapter->priv_num; i++) {
3379 priv = adapter->priv[i];
3380 mwifiex_abort_cac(priv);
3381 }
3382
3383 mwifiex_cancel_all_pending_cmd(adapter);
3384
3385 for (i = 0; i < adapter->priv_num; i++) {
3386 priv = adapter->priv[i];
3387 if (priv && priv->netdev) {
3388 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3389 if (netif_carrier_ok(priv->netdev))
3390 netif_carrier_off(priv->netdev);
3391 }
3392 }
3393
3394 for (i = 0; i < retry_num; i++) {
3395 if (!mwifiex_wmm_lists_empty(adapter) ||
3396 !mwifiex_bypass_txlist_empty(adapter) ||
3397 !skb_queue_empty(&adapter->tx_data_q))
3398 usleep_range(10000, 15000);
3399 else
3400 break;
3401 }
3402
3403 if (!wowlan) {
3404 mwifiex_dbg(adapter, ERROR,
3405 "None of the WOWLAN triggers enabled\n");
3406 ret = 0;
3407 goto done;
3408 }
3409
3410 if (!sta_priv->media_connected && !wowlan->nd_config) {
3411 mwifiex_dbg(adapter, ERROR,
3412 "Can not configure WOWLAN in disconnected state\n");
3413 ret = 0;
3414 goto done;
3415 }
3416
3417 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3418 if (ret) {
3419 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3420 goto done;
3421 }
3422
3423 memset(&hs_cfg, 0, sizeof(hs_cfg));
3424 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3425
3426 if (wowlan->nd_config) {
3427 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3428 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3429 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3430 wowlan->nd_config);
3431 }
3432
3433 if (wowlan->disconnect) {
3434 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3435 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3436 }
3437
3438 hs_cfg.is_invoke_hostcmd = false;
3439 hs_cfg.gpio = adapter->hs_cfg.gpio;
3440 hs_cfg.gap = adapter->hs_cfg.gap;
3441 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3442 MWIFIEX_SYNC_CMD, &hs_cfg);
3443 if (ret)
3444 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3445
3446 done:
3447 sta_priv->scan_aborting = false;
3448 return ret;
3449 }
3450
3451 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3452 {
3453 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3454 struct mwifiex_private *priv;
3455 struct mwifiex_ds_wakeup_reason wakeup_reason;
3456 struct cfg80211_wowlan_wakeup wakeup_report;
3457 int i;
3458 bool report_wakeup_reason = true;
3459
3460 for (i = 0; i < adapter->priv_num; i++) {
3461 priv = adapter->priv[i];
3462 if (priv && priv->netdev) {
3463 if (!netif_carrier_ok(priv->netdev))
3464 netif_carrier_on(priv->netdev);
3465 mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
3466 }
3467 }
3468
3469 if (!wiphy->wowlan_config)
3470 goto done;
3471
3472 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3473 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3474 &wakeup_reason);
3475 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3476
3477 wakeup_report.pattern_idx = -1;
3478
3479 switch (wakeup_reason.hs_wakeup_reason) {
3480 case NO_HSWAKEUP_REASON:
3481 break;
3482 case BCAST_DATA_MATCHED:
3483 break;
3484 case MCAST_DATA_MATCHED:
3485 break;
3486 case UCAST_DATA_MATCHED:
3487 break;
3488 case MASKTABLE_EVENT_MATCHED:
3489 break;
3490 case NON_MASKABLE_EVENT_MATCHED:
3491 if (wiphy->wowlan_config->disconnect)
3492 wakeup_report.disconnect = true;
3493 if (wiphy->wowlan_config->nd_config)
3494 wakeup_report.net_detect = adapter->nd_info;
3495 break;
3496 case NON_MASKABLE_CONDITION_MATCHED:
3497 break;
3498 case MAGIC_PATTERN_MATCHED:
3499 if (wiphy->wowlan_config->magic_pkt)
3500 wakeup_report.magic_pkt = true;
3501 if (wiphy->wowlan_config->n_patterns)
3502 wakeup_report.pattern_idx = 1;
3503 break;
3504 case GTK_REKEY_FAILURE:
3505 if (wiphy->wowlan_config->gtk_rekey_failure)
3506 wakeup_report.gtk_rekey_failure = true;
3507 break;
3508 default:
3509 report_wakeup_reason = false;
3510 break;
3511 }
3512
3513 if (report_wakeup_reason)
3514 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3515 GFP_KERNEL);
3516
3517 done:
3518 if (adapter->nd_info) {
3519 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3520 kfree(adapter->nd_info->matches[i]);
3521 kfree(adapter->nd_info);
3522 adapter->nd_info = NULL;
3523 }
3524
3525 return 0;
3526 }
3527
3528 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3529 bool enabled)
3530 {
3531 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3532
3533 device_set_wakeup_enable(adapter->dev, enabled);
3534 }
3535
3536 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3537 struct cfg80211_gtk_rekey_data *data)
3538 {
3539 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3540
3541 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3542 HostCmd_ACT_GEN_SET, 0, data, true);
3543 }
3544
3545 #endif
3546
3547 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3548 {
3549 const u8 ipv4_mc_mac[] = {0x33, 0x33};
3550 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3551 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3552
3553 if ((byte_seq[0] & 0x01) &&
3554 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3555 return PACKET_TYPE_UNICAST;
3556 else if (!memcmp(byte_seq, bc_mac, 4))
3557 return PACKET_TYPE_BROADCAST;
3558 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3559 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3560 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3561 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3562 return PACKET_TYPE_MULTICAST;
3563
3564 return 0;
3565 }
3566
3567 static int
3568 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3569 struct cfg80211_coalesce_rules *crule,
3570 struct mwifiex_coalesce_rule *mrule)
3571 {
3572 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3573 struct filt_field_param *param;
3574 int i;
3575
3576 mrule->max_coalescing_delay = crule->delay;
3577
3578 param = mrule->params;
3579
3580 for (i = 0; i < crule->n_patterns; i++) {
3581 memset(byte_seq, 0, sizeof(byte_seq));
3582 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3583 byte_seq,
3584 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3585 mwifiex_dbg(priv->adapter, ERROR,
3586 "Pattern not supported\n");
3587 return -EOPNOTSUPP;
3588 }
3589
3590 if (!crule->patterns[i].pkt_offset) {
3591 u8 pkt_type;
3592
3593 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3594 if (pkt_type && mrule->pkt_type) {
3595 mwifiex_dbg(priv->adapter, ERROR,
3596 "Multiple packet types not allowed\n");
3597 return -EOPNOTSUPP;
3598 } else if (pkt_type) {
3599 mrule->pkt_type = pkt_type;
3600 continue;
3601 }
3602 }
3603
3604 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3605 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3606 else
3607 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3608
3609 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3610 memcpy(param->operand_byte_stream, byte_seq,
3611 param->operand_len);
3612 param->offset = crule->patterns[i].pkt_offset;
3613 param++;
3614
3615 mrule->num_of_fields++;
3616 }
3617
3618 if (!mrule->pkt_type) {
3619 mwifiex_dbg(priv->adapter, ERROR,
3620 "Packet type can not be determined\n");
3621 return -EOPNOTSUPP;
3622 }
3623
3624 return 0;
3625 }
3626
3627 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3628 struct cfg80211_coalesce *coalesce)
3629 {
3630 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3631 int i, ret;
3632 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3633 struct mwifiex_private *priv =
3634 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3635
3636 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3637 if (!coalesce) {
3638 mwifiex_dbg(adapter, WARN,
3639 "Disable coalesce and reset all previous rules\n");
3640 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3641 HostCmd_ACT_GEN_SET, 0,
3642 &coalesce_cfg, true);
3643 }
3644
3645 coalesce_cfg.num_of_rules = coalesce->n_rules;
3646 for (i = 0; i < coalesce->n_rules; i++) {
3647 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3648 &coalesce_cfg.rule[i]);
3649 if (ret) {
3650 mwifiex_dbg(adapter, ERROR,
3651 "Recheck the patterns provided for rule %d\n",
3652 i + 1);
3653 return ret;
3654 }
3655 }
3656
3657 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3658 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3659 }
3660
3661 /* cfg80211 ops handler for tdls_mgmt.
3662 * Function prepares TDLS action frame packets and forwards them to FW
3663 */
3664 static int
3665 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3666 const u8 *peer, u8 action_code, u8 dialog_token,
3667 u16 status_code, u32 peer_capability,
3668 bool initiator, const u8 *extra_ies,
3669 size_t extra_ies_len)
3670 {
3671 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3672 int ret;
3673
3674 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3675 return -ENOTSUPP;
3676
3677 /* make sure we are in station mode and connected */
3678 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3679 return -ENOTSUPP;
3680
3681 switch (action_code) {
3682 case WLAN_TDLS_SETUP_REQUEST:
3683 mwifiex_dbg(priv->adapter, MSG,
3684 "Send TDLS Setup Request to %pM status_code=%d\n",
3685 peer, status_code);
3686 mwifiex_add_auto_tdls_peer(priv, peer);
3687 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3688 dialog_token, status_code,
3689 extra_ies, extra_ies_len);
3690 break;
3691 case WLAN_TDLS_SETUP_RESPONSE:
3692 mwifiex_add_auto_tdls_peer(priv, peer);
3693 mwifiex_dbg(priv->adapter, MSG,
3694 "Send TDLS Setup Response to %pM status_code=%d\n",
3695 peer, status_code);
3696 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3697 dialog_token, status_code,
3698 extra_ies, extra_ies_len);
3699 break;
3700 case WLAN_TDLS_SETUP_CONFIRM:
3701 mwifiex_dbg(priv->adapter, MSG,
3702 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3703 status_code);
3704 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3705 dialog_token, status_code,
3706 extra_ies, extra_ies_len);
3707 break;
3708 case WLAN_TDLS_TEARDOWN:
3709 mwifiex_dbg(priv->adapter, MSG,
3710 "Send TDLS Tear down to %pM\n", peer);
3711 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3712 dialog_token, status_code,
3713 extra_ies, extra_ies_len);
3714 break;
3715 case WLAN_TDLS_DISCOVERY_REQUEST:
3716 mwifiex_dbg(priv->adapter, MSG,
3717 "Send TDLS Discovery Request to %pM\n", peer);
3718 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3719 dialog_token, status_code,
3720 extra_ies, extra_ies_len);
3721 break;
3722 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3723 mwifiex_dbg(priv->adapter, MSG,
3724 "Send TDLS Discovery Response to %pM\n", peer);
3725 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3726 dialog_token, status_code,
3727 extra_ies, extra_ies_len);
3728 break;
3729 default:
3730 mwifiex_dbg(priv->adapter, ERROR,
3731 "Unknown TDLS mgmt/action frame %pM\n", peer);
3732 ret = -EINVAL;
3733 break;
3734 }
3735
3736 return ret;
3737 }
3738
3739 static int
3740 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3741 const u8 *peer, enum nl80211_tdls_operation action)
3742 {
3743 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3744
3745 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3746 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3747 return -ENOTSUPP;
3748
3749 /* make sure we are in station mode and connected */
3750 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3751 return -ENOTSUPP;
3752
3753 mwifiex_dbg(priv->adapter, MSG,
3754 "TDLS peer=%pM, oper=%d\n", peer, action);
3755
3756 switch (action) {
3757 case NL80211_TDLS_ENABLE_LINK:
3758 action = MWIFIEX_TDLS_ENABLE_LINK;
3759 break;
3760 case NL80211_TDLS_DISABLE_LINK:
3761 action = MWIFIEX_TDLS_DISABLE_LINK;
3762 break;
3763 case NL80211_TDLS_TEARDOWN:
3764 /* shouldn't happen!*/
3765 mwifiex_dbg(priv->adapter, ERROR,
3766 "tdls_oper: teardown from driver not supported\n");
3767 return -EINVAL;
3768 case NL80211_TDLS_SETUP:
3769 /* shouldn't happen!*/
3770 mwifiex_dbg(priv->adapter, ERROR,
3771 "tdls_oper: setup from driver not supported\n");
3772 return -EINVAL;
3773 case NL80211_TDLS_DISCOVERY_REQ:
3774 /* shouldn't happen!*/
3775 mwifiex_dbg(priv->adapter, ERROR,
3776 "tdls_oper: discovery from driver not supported\n");
3777 return -EINVAL;
3778 default:
3779 mwifiex_dbg(priv->adapter, ERROR,
3780 "tdls_oper: operation not supported\n");
3781 return -ENOTSUPP;
3782 }
3783
3784 return mwifiex_tdls_oper(priv, peer, action);
3785 }
3786
3787 static int
3788 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3789 const u8 *addr, u8 oper_class,
3790 struct cfg80211_chan_def *chandef)
3791 {
3792 struct mwifiex_sta_node *sta_ptr;
3793 unsigned long flags;
3794 u16 chan;
3795 u8 second_chan_offset, band;
3796 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3797
3798 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3799 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3800 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3801
3802 if (!sta_ptr) {
3803 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3804 __func__, addr);
3805 return -ENOENT;
3806 }
3807
3808 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3809 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3810 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3811 return -ENOENT;
3812 }
3813
3814 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3815 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3816 wiphy_err(wiphy, "channel switch is running, abort request\n");
3817 return -EALREADY;
3818 }
3819
3820 chan = chandef->chan->hw_value;
3821 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3822 band = chandef->chan->band;
3823 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3824
3825 return 0;
3826 }
3827
3828 static void
3829 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3830 struct net_device *dev,
3831 const u8 *addr)
3832 {
3833 struct mwifiex_sta_node *sta_ptr;
3834 unsigned long flags;
3835 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3836
3837 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3838 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3839 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3840
3841 if (!sta_ptr) {
3842 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3843 __func__, addr);
3844 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3845 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3846 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3847 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3848 addr);
3849 } else
3850 mwifiex_stop_tdls_cs(priv, addr);
3851 }
3852
3853 static int
3854 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3855 const u8 *mac, struct station_parameters *params)
3856 {
3857 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3858
3859 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3860 return -ENOTSUPP;
3861
3862 /* make sure we are in station mode and connected */
3863 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3864 return -ENOTSUPP;
3865
3866 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3867 }
3868
3869 static int
3870 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3871 struct cfg80211_csa_settings *params)
3872 {
3873 struct ieee_types_header *chsw_ie;
3874 struct ieee80211_channel_sw_ie *channel_sw;
3875 int chsw_msec;
3876 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3877
3878 if (priv->adapter->scan_processing) {
3879 mwifiex_dbg(priv->adapter, ERROR,
3880 "radar detection: scan in process...\n");
3881 return -EBUSY;
3882 }
3883
3884 if (priv->wdev.cac_started)
3885 return -EBUSY;
3886
3887 if (cfg80211_chandef_identical(&params->chandef,
3888 &priv->dfs_chandef))
3889 return -EINVAL;
3890
3891 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3892 params->beacon_csa.tail,
3893 params->beacon_csa.tail_len);
3894 if (!chsw_ie) {
3895 mwifiex_dbg(priv->adapter, ERROR,
3896 "Could not parse channel switch announcement IE\n");
3897 return -EINVAL;
3898 }
3899
3900 channel_sw = (void *)(chsw_ie + 1);
3901 if (channel_sw->mode) {
3902 if (netif_carrier_ok(priv->netdev))
3903 netif_carrier_off(priv->netdev);
3904 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3905 }
3906
3907 if (mwifiex_del_mgmt_ies(priv))
3908 mwifiex_dbg(priv->adapter, ERROR,
3909 "Failed to delete mgmt IEs!\n");
3910
3911 if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
3912 mwifiex_dbg(priv->adapter, ERROR,
3913 "%s: setting mgmt ies failed\n", __func__);
3914 return -EFAULT;
3915 }
3916
3917 memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
3918 memcpy(&priv->beacon_after, &params->beacon_after,
3919 sizeof(priv->beacon_after));
3920
3921 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
3922 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
3923 msecs_to_jiffies(chsw_msec));
3924 return 0;
3925 }
3926
3927 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
3928 struct wireless_dev *wdev,
3929 struct cfg80211_chan_def *chandef)
3930 {
3931 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3932 struct mwifiex_bssdescriptor *curr_bss;
3933 struct ieee80211_channel *chan;
3934 u8 second_chan_offset;
3935 enum nl80211_channel_type chan_type;
3936 enum nl80211_band band;
3937 int freq;
3938 int ret = -ENODATA;
3939
3940 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
3941 cfg80211_chandef_valid(&priv->bss_chandef)) {
3942 *chandef = priv->bss_chandef;
3943 ret = 0;
3944 } else if (priv->media_connected) {
3945 curr_bss = &priv->curr_bss_params.bss_descriptor;
3946 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
3947 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
3948 chan = ieee80211_get_channel(wiphy, freq);
3949
3950 if (priv->ht_param_present) {
3951 second_chan_offset = priv->assoc_resp_ht_param &
3952 IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
3953 chan_type = mwifiex_sec_chan_offset_to_chan_type
3954 (second_chan_offset);
3955 cfg80211_chandef_create(chandef, chan, chan_type);
3956 } else {
3957 cfg80211_chandef_create(chandef, chan,
3958 NL80211_CHAN_NO_HT);
3959 }
3960 ret = 0;
3961 }
3962
3963 return ret;
3964 }
3965
3966 #ifdef CONFIG_NL80211_TESTMODE
3967
3968 enum mwifiex_tm_attr {
3969 __MWIFIEX_TM_ATTR_INVALID = 0,
3970 MWIFIEX_TM_ATTR_CMD = 1,
3971 MWIFIEX_TM_ATTR_DATA = 2,
3972
3973 /* keep last */
3974 __MWIFIEX_TM_ATTR_AFTER_LAST,
3975 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
3976 };
3977
3978 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
3979 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
3980 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
3981 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
3982 };
3983
3984 enum mwifiex_tm_command {
3985 MWIFIEX_TM_CMD_HOSTCMD = 0,
3986 };
3987
3988 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
3989 void *data, int len)
3990 {
3991 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3992 struct mwifiex_ds_misc_cmd *hostcmd;
3993 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
3994 struct sk_buff *skb;
3995 int err;
3996
3997 if (!priv)
3998 return -EINVAL;
3999
4000 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len,
4001 mwifiex_tm_policy);
4002 if (err)
4003 return err;
4004
4005 if (!tb[MWIFIEX_TM_ATTR_CMD])
4006 return -EINVAL;
4007
4008 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4009 case MWIFIEX_TM_CMD_HOSTCMD:
4010 if (!tb[MWIFIEX_TM_ATTR_DATA])
4011 return -EINVAL;
4012
4013 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4014 if (!hostcmd)
4015 return -ENOMEM;
4016
4017 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4018 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4019 hostcmd->len);
4020
4021 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4022 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4023 return -EFAULT;
4024 }
4025
4026 /* process hostcmd response*/
4027 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4028 if (!skb)
4029 return -ENOMEM;
4030 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4031 hostcmd->len, hostcmd->cmd);
4032 if (err) {
4033 kfree_skb(skb);
4034 return -EMSGSIZE;
4035 }
4036
4037 err = cfg80211_testmode_reply(skb);
4038 kfree(hostcmd);
4039 return err;
4040 default:
4041 return -EOPNOTSUPP;
4042 }
4043 }
4044 #endif
4045
4046 static int
4047 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4048 struct net_device *dev,
4049 struct cfg80211_chan_def *chandef,
4050 u32 cac_time_ms)
4051 {
4052 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4053 struct mwifiex_radar_params radar_params;
4054
4055 if (priv->adapter->scan_processing) {
4056 mwifiex_dbg(priv->adapter, ERROR,
4057 "radar detection: scan already in process...\n");
4058 return -EBUSY;
4059 }
4060
4061 if (!mwifiex_is_11h_active(priv)) {
4062 mwifiex_dbg(priv->adapter, INFO,
4063 "Enable 11h extensions in FW\n");
4064 if (mwifiex_11h_activate(priv, true)) {
4065 mwifiex_dbg(priv->adapter, ERROR,
4066 "Failed to activate 11h extensions!!");
4067 return -1;
4068 }
4069 priv->state_11h.is_11h_active = true;
4070 }
4071
4072 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4073 radar_params.chandef = chandef;
4074 radar_params.cac_time_ms = cac_time_ms;
4075
4076 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4077
4078 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4079 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4080 return -1;
4081
4082 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4083 msecs_to_jiffies(cac_time_ms));
4084 return 0;
4085 }
4086
4087 static int
4088 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4089 const u8 *mac,
4090 struct station_parameters *params)
4091 {
4092 int ret;
4093 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4094
4095 /* we support change_station handler only for TDLS peers*/
4096 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4097 return -ENOTSUPP;
4098
4099 /* make sure we are in station mode and connected */
4100 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4101 return -ENOTSUPP;
4102
4103 priv->sta_params = params;
4104
4105 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4106 priv->sta_params = NULL;
4107
4108 return ret;
4109 }
4110
4111 /* station cfg80211 operations */
4112 static struct cfg80211_ops mwifiex_cfg80211_ops = {
4113 .add_virtual_intf = mwifiex_add_virtual_intf,
4114 .del_virtual_intf = mwifiex_del_virtual_intf,
4115 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4116 .scan = mwifiex_cfg80211_scan,
4117 .connect = mwifiex_cfg80211_connect,
4118 .disconnect = mwifiex_cfg80211_disconnect,
4119 .get_station = mwifiex_cfg80211_get_station,
4120 .dump_station = mwifiex_cfg80211_dump_station,
4121 .dump_survey = mwifiex_cfg80211_dump_survey,
4122 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4123 .join_ibss = mwifiex_cfg80211_join_ibss,
4124 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4125 .add_key = mwifiex_cfg80211_add_key,
4126 .del_key = mwifiex_cfg80211_del_key,
4127 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4128 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4129 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
4130 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4131 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4132 .set_default_key = mwifiex_cfg80211_set_default_key,
4133 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4134 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4135 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4136 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4137 .start_ap = mwifiex_cfg80211_start_ap,
4138 .stop_ap = mwifiex_cfg80211_stop_ap,
4139 .change_beacon = mwifiex_cfg80211_change_beacon,
4140 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4141 .set_antenna = mwifiex_cfg80211_set_antenna,
4142 .get_antenna = mwifiex_cfg80211_get_antenna,
4143 .del_station = mwifiex_cfg80211_del_station,
4144 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4145 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4146 #ifdef CONFIG_PM
4147 .suspend = mwifiex_cfg80211_suspend,
4148 .resume = mwifiex_cfg80211_resume,
4149 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4150 .set_rekey_data = mwifiex_set_rekey_data,
4151 #endif
4152 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4153 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4154 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4155 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4156 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4157 .add_station = mwifiex_cfg80211_add_station,
4158 .change_station = mwifiex_cfg80211_change_station,
4159 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4160 .get_channel = mwifiex_cfg80211_get_channel,
4161 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4162 .channel_switch = mwifiex_cfg80211_channel_switch,
4163 };
4164
4165 #ifdef CONFIG_PM
4166 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4167 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4168 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4169 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4170 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4171 .pattern_min_len = 1,
4172 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4173 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4174 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4175 };
4176 #endif
4177
4178 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4179 {
4180 if (!alpha2 || strlen(alpha2) != 2)
4181 return false;
4182
4183 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4184 return true;
4185
4186 return false;
4187 }
4188
4189 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4190 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4191 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4192 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4193 .pattern_min_len = 1,
4194 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4195 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4196 };
4197
4198 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4199 {
4200 u32 n_channels_bg, n_channels_a = 0;
4201
4202 n_channels_bg = mwifiex_band_2ghz.n_channels;
4203
4204 if (adapter->config_bands & BAND_A)
4205 n_channels_a = mwifiex_band_5ghz.n_channels;
4206
4207 adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a);
4208 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) *
4209 adapter->num_in_chan_stats);
4210
4211 if (!adapter->chan_stats)
4212 return -ENOMEM;
4213
4214 return 0;
4215 }
4216
4217 /*
4218 * This function registers the device with CFG802.11 subsystem.
4219 *
4220 * The function creates the wireless device/wiphy, populates it with
4221 * default parameters and handler function pointers, and finally
4222 * registers the device.
4223 */
4224
4225 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4226 {
4227 int ret;
4228 void *wdev_priv;
4229 struct wiphy *wiphy;
4230 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4231 u8 *country_code;
4232 u32 thr, retry;
4233
4234 /* create a new wiphy for use with cfg80211 */
4235 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4236 sizeof(struct mwifiex_adapter *));
4237 if (!wiphy) {
4238 mwifiex_dbg(adapter, ERROR,
4239 "%s: creating new wiphy\n", __func__);
4240 return -ENOMEM;
4241 }
4242 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4243 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4244 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4245 wiphy->max_remain_on_channel_duration = 5000;
4246 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4247 BIT(NL80211_IFTYPE_ADHOC) |
4248 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4249 BIT(NL80211_IFTYPE_P2P_GO) |
4250 BIT(NL80211_IFTYPE_AP);
4251
4252 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
4253 if (adapter->config_bands & BAND_A)
4254 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
4255 else
4256 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4257
4258 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4259 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4260 else if (adapter->is_hw_11ac_capable)
4261 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4262 else
4263 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4264 wiphy->n_iface_combinations = 1;
4265
4266 /* Initialize cipher suits */
4267 wiphy->cipher_suites = mwifiex_cipher_suites;
4268 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4269
4270 if (adapter->regd) {
4271 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4272 REGULATORY_DISABLE_BEACON_HINTS |
4273 REGULATORY_COUNTRY_IE_IGNORE;
4274 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4275 }
4276
4277 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4278 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4279 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4280 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4281 WIPHY_FLAG_AP_UAPSD |
4282 WIPHY_FLAG_SUPPORTS_SCHED_SCAN |
4283 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4284 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4285 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4286
4287 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4288 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4289 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4290
4291 #ifdef CONFIG_PM
4292 wiphy->wowlan = &mwifiex_wowlan_support;
4293 #endif
4294
4295 wiphy->coalesce = &mwifiex_coalesce_support;
4296
4297 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4298 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4299 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4300
4301 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4302 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4303 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4304
4305 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4306 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4307
4308 wiphy->features |= NL80211_FEATURE_HT_IBSS |
4309 NL80211_FEATURE_INACTIVITY_TIMER |
4310 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4311 NL80211_FEATURE_NEED_OBSS_SCAN |
4312 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4313 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4314 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4315
4316 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4317 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4318
4319 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4320 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4321
4322 /* Reserve space for mwifiex specific private data for BSS */
4323 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4324
4325 wiphy->reg_notifier = mwifiex_reg_notifier;
4326
4327 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4328 wdev_priv = wiphy_priv(wiphy);
4329 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4330
4331 set_wiphy_dev(wiphy, priv->adapter->dev);
4332
4333 ret = wiphy_register(wiphy);
4334 if (ret < 0) {
4335 mwifiex_dbg(adapter, ERROR,
4336 "%s: wiphy_register failed: %d\n", __func__, ret);
4337 wiphy_free(wiphy);
4338 return ret;
4339 }
4340
4341 if (!adapter->regd) {
4342 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4343 mwifiex_dbg(adapter, INFO,
4344 "driver hint alpha2: %2.2s\n", reg_alpha2);
4345 regulatory_hint(wiphy, reg_alpha2);
4346 } else {
4347 if (adapter->region_code == 0x00) {
4348 mwifiex_dbg(adapter, WARN,
4349 "Ignore world regulatory domain\n");
4350 } else {
4351 wiphy->regulatory_flags |=
4352 REGULATORY_DISABLE_BEACON_HINTS |
4353 REGULATORY_COUNTRY_IE_IGNORE;
4354 country_code =
4355 mwifiex_11d_code_2_region(
4356 adapter->region_code);
4357 if (country_code &&
4358 regulatory_hint(wiphy, country_code))
4359 mwifiex_dbg(priv->adapter, ERROR,
4360 "regulatory_hint() failed\n");
4361 }
4362 }
4363 }
4364
4365 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4366 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4367 wiphy->frag_threshold = thr;
4368 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4369 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4370 wiphy->rts_threshold = thr;
4371 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4372 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4373 wiphy->retry_short = (u8) retry;
4374 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4375 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4376 wiphy->retry_long = (u8) retry;
4377
4378 adapter->wiphy = wiphy;
4379 return ret;
4380 }
Ubuntu Artful kernel mirror