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[mirror_ubuntu-jammy-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_get_chan_type(struct mwifiex_private *priv)
99 {
100 struct mwifiex_channel_band channel_band;
101 int ret;
102
103 ret = mwifiex_get_chan_info(priv, &channel_band);
104
105 if (!ret) {
106 switch (channel_band.band_config.chan_width) {
107 case CHAN_BW_20MHZ:
108 if (IS_11N_ENABLED(priv))
109 return NL80211_CHAN_HT20;
110 else
111 return NL80211_CHAN_NO_HT;
112 case CHAN_BW_40MHZ:
113 if (channel_band.band_config.chan2_offset ==
114 SEC_CHAN_ABOVE)
115 return NL80211_CHAN_HT40PLUS;
116 else
117 return NL80211_CHAN_HT40MINUS;
118 default:
119 return NL80211_CHAN_HT20;
120 }
121 }
122
123 return NL80211_CHAN_HT20;
124 }
125
126 /*
127 * This function checks whether WEP is set.
128 */
129 static int
130 mwifiex_is_alg_wep(u32 cipher)
131 {
132 switch (cipher) {
133 case WLAN_CIPHER_SUITE_WEP40:
134 case WLAN_CIPHER_SUITE_WEP104:
135 return 1;
136 default:
137 break;
138 }
139
140 return 0;
141 }
142
143 /*
144 * This function retrieves the private structure from kernel wiphy structure.
145 */
146 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
147 {
148 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
149 }
150
151 /*
152 * CFG802.11 operation handler to delete a network key.
153 */
154 static int
155 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
156 u8 key_index, bool pairwise, const u8 *mac_addr)
157 {
158 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
159 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
160 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
161
162 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
163 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
164 return -EFAULT;
165 }
166
167 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
168 return 0;
169 }
170
171 /*
172 * This function forms an skb for management frame.
173 */
174 static int
175 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
176 {
177 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
178 u16 pkt_len;
179 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
180
181 pkt_len = len + ETH_ALEN;
182
183 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
184 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
185 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
186
187 memcpy(skb_push(skb, sizeof(tx_control)),
188 &tx_control, sizeof(tx_control));
189
190 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
191
192 /* Add packet data and address4 */
193 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr));
194 skb_put_data(skb, addr, ETH_ALEN);
195 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr),
196 len - sizeof(struct ieee80211_hdr_3addr));
197
198 skb->priority = LOW_PRIO_TID;
199 __net_timestamp(skb);
200
201 return 0;
202 }
203
204 /*
205 * CFG802.11 operation handler to transmit a management frame.
206 */
207 static int
208 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
209 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
210 {
211 const u8 *buf = params->buf;
212 size_t len = params->len;
213 struct sk_buff *skb;
214 u16 pkt_len;
215 const struct ieee80211_mgmt *mgmt;
216 struct mwifiex_txinfo *tx_info;
217 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
218
219 if (!buf || !len) {
220 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
221 return -EFAULT;
222 }
223
224 mgmt = (const struct ieee80211_mgmt *)buf;
225 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
226 ieee80211_is_probe_resp(mgmt->frame_control)) {
227 /* Since we support offload probe resp, we need to skip probe
228 * resp in AP or GO mode */
229 mwifiex_dbg(priv->adapter, INFO,
230 "info: skip to send probe resp in AP or GO mode\n");
231 return 0;
232 }
233
234 pkt_len = len + ETH_ALEN;
235 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
236 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
237 pkt_len + sizeof(pkt_len));
238
239 if (!skb) {
240 mwifiex_dbg(priv->adapter, ERROR,
241 "allocate skb failed for management frame\n");
242 return -ENOMEM;
243 }
244
245 tx_info = MWIFIEX_SKB_TXCB(skb);
246 memset(tx_info, 0, sizeof(*tx_info));
247 tx_info->bss_num = priv->bss_num;
248 tx_info->bss_type = priv->bss_type;
249 tx_info->pkt_len = pkt_len;
250
251 mwifiex_form_mgmt_frame(skb, buf, len);
252 *cookie = prandom_u32() | 1;
253
254 if (ieee80211_is_action(mgmt->frame_control))
255 skb = mwifiex_clone_skb_for_tx_status(priv,
256 skb,
257 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
258 else
259 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
260 GFP_ATOMIC);
261
262 mwifiex_queue_tx_pkt(priv, skb);
263
264 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
265 return 0;
266 }
267
268 /*
269 * CFG802.11 operation handler to register a mgmt frame.
270 */
271 static void
272 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
273 struct wireless_dev *wdev,
274 u16 frame_type, bool reg)
275 {
276 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
277 u32 mask;
278
279 if (reg)
280 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
281 else
282 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
283
284 if (mask != priv->mgmt_frame_mask) {
285 priv->mgmt_frame_mask = mask;
286 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
287 HostCmd_ACT_GEN_SET, 0,
288 &priv->mgmt_frame_mask, false);
289 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
290 }
291 }
292
293 /*
294 * CFG802.11 operation handler to remain on channel.
295 */
296 static int
297 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
298 struct wireless_dev *wdev,
299 struct ieee80211_channel *chan,
300 unsigned int duration, u64 *cookie)
301 {
302 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
303 int ret;
304
305 if (!chan || !cookie) {
306 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
307 return -EINVAL;
308 }
309
310 if (priv->roc_cfg.cookie) {
311 mwifiex_dbg(priv->adapter, INFO,
312 "info: ongoing ROC, cookie = 0x%llx\n",
313 priv->roc_cfg.cookie);
314 return -EBUSY;
315 }
316
317 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
318 duration);
319
320 if (!ret) {
321 *cookie = prandom_u32() | 1;
322 priv->roc_cfg.cookie = *cookie;
323 priv->roc_cfg.chan = *chan;
324
325 cfg80211_ready_on_channel(wdev, *cookie, chan,
326 duration, GFP_ATOMIC);
327
328 mwifiex_dbg(priv->adapter, INFO,
329 "info: ROC, cookie = 0x%llx\n", *cookie);
330 }
331
332 return ret;
333 }
334
335 /*
336 * CFG802.11 operation handler to cancel remain on channel.
337 */
338 static int
339 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
340 struct wireless_dev *wdev, u64 cookie)
341 {
342 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
343 int ret;
344
345 if (cookie != priv->roc_cfg.cookie)
346 return -ENOENT;
347
348 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
349 &priv->roc_cfg.chan, 0);
350
351 if (!ret) {
352 cfg80211_remain_on_channel_expired(wdev, cookie,
353 &priv->roc_cfg.chan,
354 GFP_ATOMIC);
355
356 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
357
358 mwifiex_dbg(priv->adapter, INFO,
359 "info: cancel ROC, cookie = 0x%llx\n", cookie);
360 }
361
362 return ret;
363 }
364
365 /*
366 * CFG802.11 operation handler to set Tx power.
367 */
368 static int
369 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
370 struct wireless_dev *wdev,
371 enum nl80211_tx_power_setting type,
372 int mbm)
373 {
374 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
375 struct mwifiex_private *priv;
376 struct mwifiex_power_cfg power_cfg;
377 int dbm = MBM_TO_DBM(mbm);
378
379 if (type == NL80211_TX_POWER_FIXED) {
380 power_cfg.is_power_auto = 0;
381 power_cfg.power_level = dbm;
382 } else {
383 power_cfg.is_power_auto = 1;
384 }
385
386 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
387
388 return mwifiex_set_tx_power(priv, &power_cfg);
389 }
390
391 /*
392 * CFG802.11 operation handler to get Tx power.
393 */
394 static int
395 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
396 struct wireless_dev *wdev,
397 int *dbm)
398 {
399 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
400 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
401 MWIFIEX_BSS_ROLE_ANY);
402 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
403 HostCmd_ACT_GEN_GET, 0, NULL, true);
404
405 if (ret < 0)
406 return ret;
407
408 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
409 *dbm = priv->tx_power_level;
410
411 return 0;
412 }
413
414 /*
415 * CFG802.11 operation handler to set Power Save option.
416 *
417 * The timeout value, if provided, is currently ignored.
418 */
419 static int
420 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
421 struct net_device *dev,
422 bool enabled, int timeout)
423 {
424 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
425 u32 ps_mode;
426
427 if (timeout)
428 mwifiex_dbg(priv->adapter, INFO,
429 "info: ignore timeout value for IEEE Power Save\n");
430
431 ps_mode = enabled;
432
433 return mwifiex_drv_set_power(priv, &ps_mode);
434 }
435
436 /*
437 * CFG802.11 operation handler to set the default network key.
438 */
439 static int
440 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
441 u8 key_index, bool unicast,
442 bool multicast)
443 {
444 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
445
446 /* Return if WEP key not configured */
447 if (!priv->sec_info.wep_enabled)
448 return 0;
449
450 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
451 priv->wep_key_curr_index = key_index;
452 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
453 NULL, 0)) {
454 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
455 return -EFAULT;
456 }
457
458 return 0;
459 }
460
461 /*
462 * CFG802.11 operation handler to add a network key.
463 */
464 static int
465 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
466 u8 key_index, bool pairwise, const u8 *mac_addr,
467 struct key_params *params)
468 {
469 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
470 struct mwifiex_wep_key *wep_key;
471 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
472 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
473
474 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
475 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
476 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
477 if (params->key && params->key_len) {
478 wep_key = &priv->wep_key[key_index];
479 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
480 memcpy(wep_key->key_material, params->key,
481 params->key_len);
482 wep_key->key_index = key_index;
483 wep_key->key_length = params->key_len;
484 priv->sec_info.wep_enabled = 1;
485 }
486 return 0;
487 }
488
489 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
490 key_index, peer_mac, 0)) {
491 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
492 return -EFAULT;
493 }
494
495 return 0;
496 }
497
498 /*
499 * CFG802.11 operation handler to set default mgmt key.
500 */
501 static int
502 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
503 struct net_device *netdev,
504 u8 key_index)
505 {
506 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
507 struct mwifiex_ds_encrypt_key encrypt_key;
508
509 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);
510
511 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
512 encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
513 encrypt_key.key_index = key_index;
514 encrypt_key.is_igtk_def_key = true;
515 eth_broadcast_addr(encrypt_key.mac_addr);
516
517 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
518 HostCmd_ACT_GEN_SET, true, &encrypt_key, true);
519 }
520
521 /*
522 * This function sends domain information to the firmware.
523 *
524 * The following information are passed to the firmware -
525 * - Country codes
526 * - Sub bands (first channel, number of channels, maximum Tx power)
527 */
528 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
529 {
530 u8 no_of_triplet = 0;
531 struct ieee80211_country_ie_triplet *t;
532 u8 no_of_parsed_chan = 0;
533 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
534 u8 i, flag = 0;
535 enum nl80211_band band;
536 struct ieee80211_supported_band *sband;
537 struct ieee80211_channel *ch;
538 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
539 struct mwifiex_private *priv;
540 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
541
542 /* Set country code */
543 domain_info->country_code[0] = adapter->country_code[0];
544 domain_info->country_code[1] = adapter->country_code[1];
545 domain_info->country_code[2] = ' ';
546
547 band = mwifiex_band_to_radio_type(adapter->config_bands);
548 if (!wiphy->bands[band]) {
549 mwifiex_dbg(adapter, ERROR,
550 "11D: setting domain info in FW\n");
551 return -1;
552 }
553
554 sband = wiphy->bands[band];
555
556 for (i = 0; i < sband->n_channels ; i++) {
557 ch = &sband->channels[i];
558 if (ch->flags & IEEE80211_CHAN_DISABLED)
559 continue;
560
561 if (!flag) {
562 flag = 1;
563 first_chan = (u32) ch->hw_value;
564 next_chan = first_chan;
565 max_pwr = ch->max_power;
566 no_of_parsed_chan = 1;
567 continue;
568 }
569
570 if (ch->hw_value == next_chan + 1 &&
571 ch->max_power == max_pwr) {
572 next_chan++;
573 no_of_parsed_chan++;
574 } else {
575 t = &domain_info->triplet[no_of_triplet];
576 t->chans.first_channel = first_chan;
577 t->chans.num_channels = no_of_parsed_chan;
578 t->chans.max_power = max_pwr;
579 no_of_triplet++;
580 first_chan = (u32) ch->hw_value;
581 next_chan = first_chan;
582 max_pwr = ch->max_power;
583 no_of_parsed_chan = 1;
584 }
585 }
586
587 if (flag) {
588 t = &domain_info->triplet[no_of_triplet];
589 t->chans.first_channel = first_chan;
590 t->chans.num_channels = no_of_parsed_chan;
591 t->chans.max_power = max_pwr;
592 no_of_triplet++;
593 }
594
595 domain_info->no_of_triplet = no_of_triplet;
596
597 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
598
599 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
600 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
601 mwifiex_dbg(adapter, INFO,
602 "11D: setting domain info in FW\n");
603 return -1;
604 }
605
606 return 0;
607 }
608
609 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
610 {
611 struct ieee80211_supported_band *sband;
612 struct ieee80211_channel *chan;
613 unsigned int i;
614
615 if (!wiphy->bands[NL80211_BAND_5GHZ])
616 return;
617 sband = wiphy->bands[NL80211_BAND_5GHZ];
618
619 for (i = 0; i < sband->n_channels; i++) {
620 chan = &sband->channels[i];
621 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
622 (chan->flags & IEEE80211_CHAN_RADAR))
623 chan->flags |= IEEE80211_CHAN_NO_IR;
624 }
625 }
626
627 /*
628 * CFG802.11 regulatory domain callback function.
629 *
630 * This function is called when the regulatory domain is changed due to the
631 * following reasons -
632 * - Set by driver
633 * - Set by system core
634 * - Set by user
635 * - Set bt Country IE
636 */
637 static void mwifiex_reg_notifier(struct wiphy *wiphy,
638 struct regulatory_request *request)
639 {
640 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
641 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
642 MWIFIEX_BSS_ROLE_ANY);
643 mwifiex_dbg(adapter, INFO,
644 "info: cfg80211 regulatory domain callback for %c%c\n",
645 request->alpha2[0], request->alpha2[1]);
646 mwifiex_reg_apply_radar_flags(wiphy);
647
648 switch (request->initiator) {
649 case NL80211_REGDOM_SET_BY_DRIVER:
650 case NL80211_REGDOM_SET_BY_CORE:
651 case NL80211_REGDOM_SET_BY_USER:
652 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
653 break;
654 default:
655 mwifiex_dbg(adapter, ERROR,
656 "unknown regdom initiator: %d\n",
657 request->initiator);
658 return;
659 }
660
661 /* Don't send world or same regdom info to firmware */
662 if (strncmp(request->alpha2, "00", 2) &&
663 strncmp(request->alpha2, adapter->country_code,
664 sizeof(request->alpha2))) {
665 memcpy(adapter->country_code, request->alpha2,
666 sizeof(request->alpha2));
667 mwifiex_send_domain_info_cmd_fw(wiphy);
668 mwifiex_dnld_txpwr_table(priv);
669 }
670 }
671
672 /*
673 * This function sets the fragmentation threshold.
674 *
675 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
676 * and MWIFIEX_FRAG_MAX_VALUE.
677 */
678 static int
679 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
680 {
681 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
682 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
683 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
684
685 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
686 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
687 &frag_thr, true);
688 }
689
690 /*
691 * This function sets the RTS threshold.
692
693 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
694 * and MWIFIEX_RTS_MAX_VALUE.
695 */
696 static int
697 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
698 {
699 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
700 rts_thr = MWIFIEX_RTS_MAX_VALUE;
701
702 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
703 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
704 &rts_thr, true);
705 }
706
707 /*
708 * CFG802.11 operation handler to set wiphy parameters.
709 *
710 * This function can be used to set the RTS threshold and the
711 * Fragmentation threshold of the driver.
712 */
713 static int
714 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
715 {
716 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
717 struct mwifiex_private *priv;
718 struct mwifiex_uap_bss_param *bss_cfg;
719 int ret;
720
721 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
722
723 switch (priv->bss_role) {
724 case MWIFIEX_BSS_ROLE_UAP:
725 if (priv->bss_started) {
726 mwifiex_dbg(adapter, ERROR,
727 "cannot change wiphy params when bss started");
728 return -EINVAL;
729 }
730
731 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
732 if (!bss_cfg)
733 return -ENOMEM;
734
735 mwifiex_set_sys_config_invalid_data(bss_cfg);
736
737 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
738 bss_cfg->rts_threshold = wiphy->rts_threshold;
739 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
740 bss_cfg->frag_threshold = wiphy->frag_threshold;
741 if (changed & WIPHY_PARAM_RETRY_LONG)
742 bss_cfg->retry_limit = wiphy->retry_long;
743
744 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
745 HostCmd_ACT_GEN_SET,
746 UAP_BSS_PARAMS_I, bss_cfg,
747 false);
748
749 kfree(bss_cfg);
750 if (ret) {
751 mwifiex_dbg(adapter, ERROR,
752 "Failed to set wiphy phy params\n");
753 return ret;
754 }
755 break;
756
757 case MWIFIEX_BSS_ROLE_STA:
758 if (priv->media_connected) {
759 mwifiex_dbg(adapter, ERROR,
760 "cannot change wiphy params when connected");
761 return -EINVAL;
762 }
763 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
764 ret = mwifiex_set_rts(priv,
765 wiphy->rts_threshold);
766 if (ret)
767 return ret;
768 }
769 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
770 ret = mwifiex_set_frag(priv,
771 wiphy->frag_threshold);
772 if (ret)
773 return ret;
774 }
775 break;
776 }
777
778 return 0;
779 }
780
781 static int
782 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
783 {
784 u16 mode = P2P_MODE_DISABLE;
785
786 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
787 HostCmd_ACT_GEN_SET, 0, &mode, true))
788 return -1;
789
790 return 0;
791 }
792
793 /*
794 * This function initializes the functionalities for P2P client.
795 * The P2P client initialization sequence is:
796 * disable -> device -> client
797 */
798 static int
799 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
800 {
801 u16 mode;
802
803 if (mwifiex_cfg80211_deinit_p2p(priv))
804 return -1;
805
806 mode = P2P_MODE_DEVICE;
807 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
808 HostCmd_ACT_GEN_SET, 0, &mode, true))
809 return -1;
810
811 mode = P2P_MODE_CLIENT;
812 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
813 HostCmd_ACT_GEN_SET, 0, &mode, true))
814 return -1;
815
816 return 0;
817 }
818
819 /*
820 * This function initializes the functionalities for P2P GO.
821 * The P2P GO initialization sequence is:
822 * disable -> device -> GO
823 */
824 static int
825 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
826 {
827 u16 mode;
828
829 if (mwifiex_cfg80211_deinit_p2p(priv))
830 return -1;
831
832 mode = P2P_MODE_DEVICE;
833 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
834 HostCmd_ACT_GEN_SET, 0, &mode, true))
835 return -1;
836
837 mode = P2P_MODE_GO;
838 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
839 HostCmd_ACT_GEN_SET, 0, &mode, true))
840 return -1;
841
842 return 0;
843 }
844
845 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
846 {
847 struct mwifiex_adapter *adapter = priv->adapter;
848 unsigned long flags;
849
850 priv->mgmt_frame_mask = 0;
851 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
852 HostCmd_ACT_GEN_SET, 0,
853 &priv->mgmt_frame_mask, false)) {
854 mwifiex_dbg(adapter, ERROR,
855 "could not unregister mgmt frame rx\n");
856 return -1;
857 }
858
859 mwifiex_deauthenticate(priv, NULL);
860
861 spin_lock_irqsave(&adapter->main_proc_lock, flags);
862 adapter->main_locked = true;
863 if (adapter->mwifiex_processing) {
864 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
865 flush_workqueue(adapter->workqueue);
866 } else {
867 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
868 }
869
870 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
871 adapter->rx_locked = true;
872 if (adapter->rx_processing) {
873 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
874 flush_workqueue(adapter->rx_workqueue);
875 } else {
876 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
877 }
878
879 mwifiex_free_priv(priv);
880 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
881 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
882 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
883
884 return 0;
885 }
886
887 static int
888 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
889 struct net_device *dev,
890 enum nl80211_iftype type)
891 {
892 struct mwifiex_adapter *adapter = priv->adapter;
893 unsigned long flags;
894
895 mwifiex_init_priv(priv);
896
897 priv->bss_mode = type;
898 priv->wdev.iftype = type;
899
900 mwifiex_init_priv_params(priv, priv->netdev);
901 priv->bss_started = 0;
902
903 switch (type) {
904 case NL80211_IFTYPE_STATION:
905 case NL80211_IFTYPE_ADHOC:
906 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
907 break;
908 case NL80211_IFTYPE_P2P_CLIENT:
909 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
910 break;
911 case NL80211_IFTYPE_P2P_GO:
912 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
913 break;
914 case NL80211_IFTYPE_AP:
915 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
916 break;
917 default:
918 mwifiex_dbg(adapter, ERROR,
919 "%s: changing to %d not supported\n",
920 dev->name, type);
921 return -EOPNOTSUPP;
922 }
923
924 spin_lock_irqsave(&adapter->main_proc_lock, flags);
925 adapter->main_locked = false;
926 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
927
928 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
929 adapter->rx_locked = false;
930 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
931
932 mwifiex_set_mac_address(priv, dev, false, NULL);
933
934 return 0;
935 }
936
937 static int
938 mwifiex_change_vif_to_p2p(struct net_device *dev,
939 enum nl80211_iftype curr_iftype,
940 enum nl80211_iftype type,
941 struct vif_params *params)
942 {
943 struct mwifiex_private *priv;
944 struct mwifiex_adapter *adapter;
945
946 priv = mwifiex_netdev_get_priv(dev);
947
948 if (!priv)
949 return -1;
950
951 adapter = priv->adapter;
952
953 if (adapter->curr_iface_comb.p2p_intf ==
954 adapter->iface_limit.p2p_intf) {
955 mwifiex_dbg(adapter, ERROR,
956 "cannot create multiple P2P ifaces\n");
957 return -1;
958 }
959
960 mwifiex_dbg(adapter, INFO,
961 "%s: changing role to p2p\n", dev->name);
962
963 if (mwifiex_deinit_priv_params(priv))
964 return -1;
965 if (mwifiex_init_new_priv_params(priv, dev, type))
966 return -1;
967
968 switch (type) {
969 case NL80211_IFTYPE_P2P_CLIENT:
970 if (mwifiex_cfg80211_init_p2p_client(priv))
971 return -EFAULT;
972 break;
973 case NL80211_IFTYPE_P2P_GO:
974 if (mwifiex_cfg80211_init_p2p_go(priv))
975 return -EFAULT;
976 break;
977 default:
978 mwifiex_dbg(adapter, ERROR,
979 "%s: changing to %d not supported\n",
980 dev->name, type);
981 return -EOPNOTSUPP;
982 }
983
984 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
985 HostCmd_ACT_GEN_SET, 0, NULL, true))
986 return -1;
987
988 if (mwifiex_sta_init_cmd(priv, false, false))
989 return -1;
990
991 switch (curr_iftype) {
992 case NL80211_IFTYPE_STATION:
993 case NL80211_IFTYPE_ADHOC:
994 adapter->curr_iface_comb.sta_intf--;
995 break;
996 case NL80211_IFTYPE_AP:
997 adapter->curr_iface_comb.uap_intf--;
998 break;
999 default:
1000 break;
1001 }
1002
1003 adapter->curr_iface_comb.p2p_intf++;
1004 dev->ieee80211_ptr->iftype = type;
1005
1006 return 0;
1007 }
1008
1009 static int
1010 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
1011 enum nl80211_iftype curr_iftype,
1012 enum nl80211_iftype type,
1013 struct vif_params *params)
1014 {
1015 struct mwifiex_private *priv;
1016 struct mwifiex_adapter *adapter;
1017
1018 priv = mwifiex_netdev_get_priv(dev);
1019
1020 if (!priv)
1021 return -1;
1022
1023 adapter = priv->adapter;
1024
1025 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
1026 curr_iftype != NL80211_IFTYPE_P2P_GO) &&
1027 (adapter->curr_iface_comb.sta_intf ==
1028 adapter->iface_limit.sta_intf)) {
1029 mwifiex_dbg(adapter, ERROR,
1030 "cannot create multiple station/adhoc ifaces\n");
1031 return -1;
1032 }
1033
1034 if (type == NL80211_IFTYPE_STATION)
1035 mwifiex_dbg(adapter, INFO,
1036 "%s: changing role to station\n", dev->name);
1037 else
1038 mwifiex_dbg(adapter, INFO,
1039 "%s: changing role to adhoc\n", dev->name);
1040
1041 if (mwifiex_deinit_priv_params(priv))
1042 return -1;
1043 if (mwifiex_init_new_priv_params(priv, dev, type))
1044 return -1;
1045 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1046 HostCmd_ACT_GEN_SET, 0, NULL, true))
1047 return -1;
1048 if (mwifiex_sta_init_cmd(priv, false, false))
1049 return -1;
1050
1051 switch (curr_iftype) {
1052 case NL80211_IFTYPE_P2P_CLIENT:
1053 case NL80211_IFTYPE_P2P_GO:
1054 adapter->curr_iface_comb.p2p_intf--;
1055 break;
1056 case NL80211_IFTYPE_AP:
1057 adapter->curr_iface_comb.uap_intf--;
1058 break;
1059 default:
1060 break;
1061 }
1062
1063 adapter->curr_iface_comb.sta_intf++;
1064 dev->ieee80211_ptr->iftype = type;
1065 return 0;
1066 }
1067
1068 static int
1069 mwifiex_change_vif_to_ap(struct net_device *dev,
1070 enum nl80211_iftype curr_iftype,
1071 enum nl80211_iftype type,
1072 struct vif_params *params)
1073 {
1074 struct mwifiex_private *priv;
1075 struct mwifiex_adapter *adapter;
1076
1077 priv = mwifiex_netdev_get_priv(dev);
1078
1079 if (!priv)
1080 return -1;
1081
1082 adapter = priv->adapter;
1083
1084 if (adapter->curr_iface_comb.uap_intf ==
1085 adapter->iface_limit.uap_intf) {
1086 mwifiex_dbg(adapter, ERROR,
1087 "cannot create multiple AP ifaces\n");
1088 return -1;
1089 }
1090
1091 mwifiex_dbg(adapter, INFO,
1092 "%s: changing role to AP\n", dev->name);
1093
1094 if (mwifiex_deinit_priv_params(priv))
1095 return -1;
1096 if (mwifiex_init_new_priv_params(priv, dev, type))
1097 return -1;
1098 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1099 HostCmd_ACT_GEN_SET, 0, NULL, true))
1100 return -1;
1101 if (mwifiex_sta_init_cmd(priv, false, false))
1102 return -1;
1103
1104 switch (curr_iftype) {
1105 case NL80211_IFTYPE_P2P_CLIENT:
1106 case NL80211_IFTYPE_P2P_GO:
1107 adapter->curr_iface_comb.p2p_intf--;
1108 break;
1109 case NL80211_IFTYPE_STATION:
1110 case NL80211_IFTYPE_ADHOC:
1111 adapter->curr_iface_comb.sta_intf--;
1112 break;
1113 default:
1114 break;
1115 }
1116
1117 adapter->curr_iface_comb.uap_intf++;
1118 dev->ieee80211_ptr->iftype = type;
1119 return 0;
1120 }
1121 /*
1122 * CFG802.11 operation handler to change interface type.
1123 */
1124 static int
1125 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1126 struct net_device *dev,
1127 enum nl80211_iftype type,
1128 struct vif_params *params)
1129 {
1130 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1131 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1132
1133 if (priv->scan_request) {
1134 mwifiex_dbg(priv->adapter, ERROR,
1135 "change virtual interface: scan in process\n");
1136 return -EBUSY;
1137 }
1138
1139 switch (curr_iftype) {
1140 case NL80211_IFTYPE_ADHOC:
1141 switch (type) {
1142 case NL80211_IFTYPE_STATION:
1143 priv->bss_mode = type;
1144 priv->sec_info.authentication_mode =
1145 NL80211_AUTHTYPE_OPEN_SYSTEM;
1146 dev->ieee80211_ptr->iftype = type;
1147 mwifiex_deauthenticate(priv, NULL);
1148 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1149 HostCmd_ACT_GEN_SET, 0, NULL,
1150 true);
1151 case NL80211_IFTYPE_P2P_CLIENT:
1152 case NL80211_IFTYPE_P2P_GO:
1153 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1154 type, params);
1155 case NL80211_IFTYPE_AP:
1156 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1157 params);
1158 case NL80211_IFTYPE_UNSPECIFIED:
1159 mwifiex_dbg(priv->adapter, INFO,
1160 "%s: kept type as IBSS\n", dev->name);
1161 /* fall through */
1162 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
1163 return 0;
1164 default:
1165 mwifiex_dbg(priv->adapter, ERROR,
1166 "%s: changing to %d not supported\n",
1167 dev->name, type);
1168 return -EOPNOTSUPP;
1169 }
1170 break;
1171 case NL80211_IFTYPE_STATION:
1172 switch (type) {
1173 case NL80211_IFTYPE_ADHOC:
1174 priv->bss_mode = type;
1175 priv->sec_info.authentication_mode =
1176 NL80211_AUTHTYPE_OPEN_SYSTEM;
1177 dev->ieee80211_ptr->iftype = type;
1178 mwifiex_deauthenticate(priv, NULL);
1179 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1180 HostCmd_ACT_GEN_SET, 0, NULL,
1181 true);
1182 case NL80211_IFTYPE_P2P_CLIENT:
1183 case NL80211_IFTYPE_P2P_GO:
1184 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1185 type, params);
1186 case NL80211_IFTYPE_AP:
1187 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1188 params);
1189 case NL80211_IFTYPE_UNSPECIFIED:
1190 mwifiex_dbg(priv->adapter, INFO,
1191 "%s: kept type as STA\n", dev->name);
1192 /* fall through */
1193 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
1194 return 0;
1195 default:
1196 mwifiex_dbg(priv->adapter, ERROR,
1197 "%s: changing to %d not supported\n",
1198 dev->name, type);
1199 return -EOPNOTSUPP;
1200 }
1201 break;
1202 case NL80211_IFTYPE_AP:
1203 switch (type) {
1204 case NL80211_IFTYPE_ADHOC:
1205 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1206 type, params);
1207 break;
1208 case NL80211_IFTYPE_P2P_CLIENT:
1209 case NL80211_IFTYPE_P2P_GO:
1210 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1211 type, params);
1212 case NL80211_IFTYPE_UNSPECIFIED:
1213 mwifiex_dbg(priv->adapter, INFO,
1214 "%s: kept type as AP\n", dev->name);
1215 /* fall through */
1216 case NL80211_IFTYPE_AP: /* This shouldn't happen */
1217 return 0;
1218 default:
1219 mwifiex_dbg(priv->adapter, ERROR,
1220 "%s: changing to %d not supported\n",
1221 dev->name, type);
1222 return -EOPNOTSUPP;
1223 }
1224 break;
1225 case NL80211_IFTYPE_P2P_CLIENT:
1226 case NL80211_IFTYPE_P2P_GO:
1227 switch (type) {
1228 case NL80211_IFTYPE_STATION:
1229 if (mwifiex_cfg80211_deinit_p2p(priv))
1230 return -EFAULT;
1231 priv->adapter->curr_iface_comb.p2p_intf--;
1232 priv->adapter->curr_iface_comb.sta_intf++;
1233 dev->ieee80211_ptr->iftype = type;
1234 if (mwifiex_deinit_priv_params(priv))
1235 return -1;
1236 if (mwifiex_init_new_priv_params(priv, dev, type))
1237 return -1;
1238 if (mwifiex_sta_init_cmd(priv, false, false))
1239 return -1;
1240 break;
1241 case NL80211_IFTYPE_ADHOC:
1242 if (mwifiex_cfg80211_deinit_p2p(priv))
1243 return -EFAULT;
1244 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1245 type, params);
1246 break;
1247 case NL80211_IFTYPE_AP:
1248 if (mwifiex_cfg80211_deinit_p2p(priv))
1249 return -EFAULT;
1250 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1251 params);
1252 case NL80211_IFTYPE_UNSPECIFIED:
1253 mwifiex_dbg(priv->adapter, INFO,
1254 "%s: kept type as P2P\n", dev->name);
1255 /* fall through */
1256 case NL80211_IFTYPE_P2P_CLIENT:
1257 case NL80211_IFTYPE_P2P_GO:
1258 return 0;
1259 default:
1260 mwifiex_dbg(priv->adapter, ERROR,
1261 "%s: changing to %d not supported\n",
1262 dev->name, type);
1263 return -EOPNOTSUPP;
1264 }
1265 break;
1266 default:
1267 mwifiex_dbg(priv->adapter, ERROR,
1268 "%s: unknown iftype: %d\n",
1269 dev->name, dev->ieee80211_ptr->iftype);
1270 return -EOPNOTSUPP;
1271 }
1272
1273
1274 return 0;
1275 }
1276
1277 static void
1278 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo,
1279 struct rate_info *rate)
1280 {
1281 struct mwifiex_adapter *adapter = priv->adapter;
1282
1283 if (adapter->is_hw_11ac_capable) {
1284 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1285 if (htinfo & BIT(0)) {
1286 /* HT */
1287 rate->mcs = rateinfo;
1288 rate->flags |= RATE_INFO_FLAGS_MCS;
1289 }
1290 if (htinfo & BIT(1)) {
1291 /* VHT */
1292 rate->mcs = rateinfo & 0x0F;
1293 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1294 }
1295
1296 if (htinfo & (BIT(1) | BIT(0))) {
1297 /* HT or VHT */
1298 switch (htinfo & (BIT(3) | BIT(2))) {
1299 case 0:
1300 rate->bw = RATE_INFO_BW_20;
1301 break;
1302 case (BIT(2)):
1303 rate->bw = RATE_INFO_BW_40;
1304 break;
1305 case (BIT(3)):
1306 rate->bw = RATE_INFO_BW_80;
1307 break;
1308 case (BIT(3) | BIT(2)):
1309 rate->bw = RATE_INFO_BW_160;
1310 break;
1311 }
1312
1313 if (htinfo & BIT(4))
1314 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1315
1316 if ((rateinfo >> 4) == 1)
1317 rate->nss = 2;
1318 else
1319 rate->nss = 1;
1320 }
1321 } else {
1322 /*
1323 * Bit 0 in htinfo indicates that current rate is 11n. Valid
1324 * MCS index values for us are 0 to 15.
1325 */
1326 if ((htinfo & BIT(0)) && (rateinfo < 16)) {
1327 rate->mcs = rateinfo;
1328 rate->flags |= RATE_INFO_FLAGS_MCS;
1329 rate->bw = RATE_INFO_BW_20;
1330 if (htinfo & BIT(1))
1331 rate->bw = RATE_INFO_BW_40;
1332 if (htinfo & BIT(2))
1333 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1334 }
1335 }
1336 }
1337
1338 /*
1339 * This function dumps the station information on a buffer.
1340 *
1341 * The following information are shown -
1342 * - Total bytes transmitted
1343 * - Total bytes received
1344 * - Total packets transmitted
1345 * - Total packets received
1346 * - Signal quality level
1347 * - Transmission rate
1348 */
1349 static int
1350 mwifiex_dump_station_info(struct mwifiex_private *priv,
1351 struct mwifiex_sta_node *node,
1352 struct station_info *sinfo)
1353 {
1354 u32 rate;
1355
1356 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
1357 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
1358 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
1359 BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
1360
1361 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1362 if (!node)
1363 return -ENOENT;
1364
1365 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) |
1366 BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1367 sinfo->inactive_time =
1368 jiffies_to_msecs(jiffies - node->stats.last_rx);
1369
1370 sinfo->signal = node->stats.rssi;
1371 sinfo->signal_avg = node->stats.rssi;
1372 sinfo->rx_bytes = node->stats.rx_bytes;
1373 sinfo->tx_bytes = node->stats.tx_bytes;
1374 sinfo->rx_packets = node->stats.rx_packets;
1375 sinfo->tx_packets = node->stats.tx_packets;
1376 sinfo->tx_failed = node->stats.tx_failed;
1377
1378 mwifiex_parse_htinfo(priv, priv->tx_rate,
1379 node->stats.last_tx_htinfo,
1380 &sinfo->txrate);
1381 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1382
1383 return 0;
1384 }
1385
1386 /* Get signal information from the firmware */
1387 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1388 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1389 mwifiex_dbg(priv->adapter, ERROR,
1390 "failed to get signal information\n");
1391 return -EFAULT;
1392 }
1393
1394 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1395 mwifiex_dbg(priv->adapter, ERROR,
1396 "getting data rate error\n");
1397 return -EFAULT;
1398 }
1399
1400 /* Get DTIM period information from firmware */
1401 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1402 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1403 &priv->dtim_period, true);
1404
1405 mwifiex_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo,
1406 &sinfo->txrate);
1407
1408 sinfo->signal_avg = priv->bcn_rssi_avg;
1409 sinfo->rx_bytes = priv->stats.rx_bytes;
1410 sinfo->tx_bytes = priv->stats.tx_bytes;
1411 sinfo->rx_packets = priv->stats.rx_packets;
1412 sinfo->tx_packets = priv->stats.tx_packets;
1413 sinfo->signal = priv->bcn_rssi_avg;
1414 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1415 sinfo->txrate.legacy = rate * 5;
1416
1417 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1418 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM);
1419 sinfo->bss_param.flags = 0;
1420 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1421 WLAN_CAPABILITY_SHORT_PREAMBLE)
1422 sinfo->bss_param.flags |=
1423 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1424 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1425 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1426 sinfo->bss_param.flags |=
1427 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1428 sinfo->bss_param.dtim_period = priv->dtim_period;
1429 sinfo->bss_param.beacon_interval =
1430 priv->curr_bss_params.bss_descriptor.beacon_period;
1431 }
1432
1433 return 0;
1434 }
1435
1436 /*
1437 * CFG802.11 operation handler to get station information.
1438 *
1439 * This function only works in connected mode, and dumps the
1440 * requested station information, if available.
1441 */
1442 static int
1443 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1444 const u8 *mac, struct station_info *sinfo)
1445 {
1446 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1447
1448 if (!priv->media_connected)
1449 return -ENOENT;
1450 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1451 return -ENOENT;
1452
1453 return mwifiex_dump_station_info(priv, NULL, sinfo);
1454 }
1455
1456 /*
1457 * CFG802.11 operation handler to dump station information.
1458 */
1459 static int
1460 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1461 int idx, u8 *mac, struct station_info *sinfo)
1462 {
1463 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1464 static struct mwifiex_sta_node *node;
1465
1466 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1467 priv->media_connected && idx == 0) {
1468 ether_addr_copy(mac, priv->cfg_bssid);
1469 return mwifiex_dump_station_info(priv, NULL, sinfo);
1470 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1471 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1472 HostCmd_ACT_GEN_GET, 0, NULL, true);
1473
1474 if (node && (&node->list == &priv->sta_list)) {
1475 node = NULL;
1476 return -ENOENT;
1477 }
1478
1479 node = list_prepare_entry(node, &priv->sta_list, list);
1480 list_for_each_entry_continue(node, &priv->sta_list, list) {
1481 ether_addr_copy(mac, node->mac_addr);
1482 return mwifiex_dump_station_info(priv, node, sinfo);
1483 }
1484 }
1485
1486 return -ENOENT;
1487 }
1488
1489 static int
1490 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1491 int idx, struct survey_info *survey)
1492 {
1493 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1494 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1495 enum nl80211_band band;
1496
1497 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1498
1499 memset(survey, 0, sizeof(struct survey_info));
1500
1501 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1502 priv->media_connected && idx == 0) {
1503 u8 curr_bss_band = priv->curr_bss_params.band;
1504 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1505
1506 band = mwifiex_band_to_radio_type(curr_bss_band);
1507 survey->channel = ieee80211_get_channel(wiphy,
1508 ieee80211_channel_to_frequency(chan, band));
1509
1510 if (priv->bcn_nf_last) {
1511 survey->filled = SURVEY_INFO_NOISE_DBM;
1512 survey->noise = priv->bcn_nf_last;
1513 }
1514 return 0;
1515 }
1516
1517 if (idx >= priv->adapter->num_in_chan_stats)
1518 return -ENOENT;
1519
1520 if (!pchan_stats[idx].cca_scan_dur)
1521 return 0;
1522
1523 band = pchan_stats[idx].bandcfg;
1524 survey->channel = ieee80211_get_channel(wiphy,
1525 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1526 survey->filled = SURVEY_INFO_NOISE_DBM |
1527 SURVEY_INFO_TIME |
1528 SURVEY_INFO_TIME_BUSY;
1529 survey->noise = pchan_stats[idx].noise;
1530 survey->time = pchan_stats[idx].cca_scan_dur;
1531 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1532
1533 return 0;
1534 }
1535
1536 /* Supported rates to be advertised to the cfg80211 */
1537 static struct ieee80211_rate mwifiex_rates[] = {
1538 {.bitrate = 10, .hw_value = 2, },
1539 {.bitrate = 20, .hw_value = 4, },
1540 {.bitrate = 55, .hw_value = 11, },
1541 {.bitrate = 110, .hw_value = 22, },
1542 {.bitrate = 60, .hw_value = 12, },
1543 {.bitrate = 90, .hw_value = 18, },
1544 {.bitrate = 120, .hw_value = 24, },
1545 {.bitrate = 180, .hw_value = 36, },
1546 {.bitrate = 240, .hw_value = 48, },
1547 {.bitrate = 360, .hw_value = 72, },
1548 {.bitrate = 480, .hw_value = 96, },
1549 {.bitrate = 540, .hw_value = 108, },
1550 };
1551
1552 /* Channel definitions to be advertised to cfg80211 */
1553 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1554 {.center_freq = 2412, .hw_value = 1, },
1555 {.center_freq = 2417, .hw_value = 2, },
1556 {.center_freq = 2422, .hw_value = 3, },
1557 {.center_freq = 2427, .hw_value = 4, },
1558 {.center_freq = 2432, .hw_value = 5, },
1559 {.center_freq = 2437, .hw_value = 6, },
1560 {.center_freq = 2442, .hw_value = 7, },
1561 {.center_freq = 2447, .hw_value = 8, },
1562 {.center_freq = 2452, .hw_value = 9, },
1563 {.center_freq = 2457, .hw_value = 10, },
1564 {.center_freq = 2462, .hw_value = 11, },
1565 {.center_freq = 2467, .hw_value = 12, },
1566 {.center_freq = 2472, .hw_value = 13, },
1567 {.center_freq = 2484, .hw_value = 14, },
1568 };
1569
1570 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1571 .channels = mwifiex_channels_2ghz,
1572 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1573 .bitrates = mwifiex_rates,
1574 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1575 };
1576
1577 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1578 {.center_freq = 5040, .hw_value = 8, },
1579 {.center_freq = 5060, .hw_value = 12, },
1580 {.center_freq = 5080, .hw_value = 16, },
1581 {.center_freq = 5170, .hw_value = 34, },
1582 {.center_freq = 5190, .hw_value = 38, },
1583 {.center_freq = 5210, .hw_value = 42, },
1584 {.center_freq = 5230, .hw_value = 46, },
1585 {.center_freq = 5180, .hw_value = 36, },
1586 {.center_freq = 5200, .hw_value = 40, },
1587 {.center_freq = 5220, .hw_value = 44, },
1588 {.center_freq = 5240, .hw_value = 48, },
1589 {.center_freq = 5260, .hw_value = 52, },
1590 {.center_freq = 5280, .hw_value = 56, },
1591 {.center_freq = 5300, .hw_value = 60, },
1592 {.center_freq = 5320, .hw_value = 64, },
1593 {.center_freq = 5500, .hw_value = 100, },
1594 {.center_freq = 5520, .hw_value = 104, },
1595 {.center_freq = 5540, .hw_value = 108, },
1596 {.center_freq = 5560, .hw_value = 112, },
1597 {.center_freq = 5580, .hw_value = 116, },
1598 {.center_freq = 5600, .hw_value = 120, },
1599 {.center_freq = 5620, .hw_value = 124, },
1600 {.center_freq = 5640, .hw_value = 128, },
1601 {.center_freq = 5660, .hw_value = 132, },
1602 {.center_freq = 5680, .hw_value = 136, },
1603 {.center_freq = 5700, .hw_value = 140, },
1604 {.center_freq = 5745, .hw_value = 149, },
1605 {.center_freq = 5765, .hw_value = 153, },
1606 {.center_freq = 5785, .hw_value = 157, },
1607 {.center_freq = 5805, .hw_value = 161, },
1608 {.center_freq = 5825, .hw_value = 165, },
1609 };
1610
1611 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1612 .channels = mwifiex_channels_5ghz,
1613 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1614 .bitrates = mwifiex_rates + 4,
1615 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1616 };
1617
1618
1619 /* Supported crypto cipher suits to be advertised to cfg80211 */
1620 static const u32 mwifiex_cipher_suites[] = {
1621 WLAN_CIPHER_SUITE_WEP40,
1622 WLAN_CIPHER_SUITE_WEP104,
1623 WLAN_CIPHER_SUITE_TKIP,
1624 WLAN_CIPHER_SUITE_CCMP,
1625 WLAN_CIPHER_SUITE_SMS4,
1626 WLAN_CIPHER_SUITE_AES_CMAC,
1627 };
1628
1629 /* Supported mgmt frame types to be advertised to cfg80211 */
1630 static const struct ieee80211_txrx_stypes
1631 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1632 [NL80211_IFTYPE_STATION] = {
1633 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1634 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1635 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1636 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1637 },
1638 [NL80211_IFTYPE_AP] = {
1639 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1640 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1641 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1642 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1643 },
1644 [NL80211_IFTYPE_P2P_CLIENT] = {
1645 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1646 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1647 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1648 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1649 },
1650 [NL80211_IFTYPE_P2P_GO] = {
1651 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1652 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1653 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1654 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1655 },
1656 };
1657
1658 /*
1659 * CFG802.11 operation handler for setting bit rates.
1660 *
1661 * Function configures data rates to firmware using bitrate mask
1662 * provided by cfg80211.
1663 */
1664 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1665 struct net_device *dev,
1666 const u8 *peer,
1667 const struct cfg80211_bitrate_mask *mask)
1668 {
1669 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1670 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1671 enum nl80211_band band;
1672 struct mwifiex_adapter *adapter = priv->adapter;
1673
1674 if (!priv->media_connected) {
1675 mwifiex_dbg(adapter, ERROR,
1676 "Can not set Tx data rate in disconnected state\n");
1677 return -EINVAL;
1678 }
1679
1680 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1681
1682 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1683
1684 /* Fill HR/DSSS rates. */
1685 if (band == NL80211_BAND_2GHZ)
1686 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1687
1688 /* Fill OFDM rates */
1689 if (band == NL80211_BAND_2GHZ)
1690 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1691 else
1692 bitmap_rates[1] = mask->control[band].legacy;
1693
1694 /* Fill HT MCS rates */
1695 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1696 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1697 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1698
1699 /* Fill VHT MCS rates */
1700 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1701 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1702 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1703 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1704 }
1705
1706 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1707 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1708 }
1709
1710 /*
1711 * CFG802.11 operation handler for connection quality monitoring.
1712 *
1713 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1714 * events to FW.
1715 */
1716 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1717 struct net_device *dev,
1718 s32 rssi_thold, u32 rssi_hyst)
1719 {
1720 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1721 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1722
1723 priv->cqm_rssi_thold = rssi_thold;
1724 priv->cqm_rssi_hyst = rssi_hyst;
1725
1726 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1727 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1728
1729 /* Subscribe/unsubscribe low and high rssi events */
1730 if (rssi_thold && rssi_hyst) {
1731 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1732 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1733 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1734 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1735 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1736 return mwifiex_send_cmd(priv,
1737 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1738 0, 0, &subsc_evt, true);
1739 } else {
1740 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1741 return mwifiex_send_cmd(priv,
1742 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1743 0, 0, &subsc_evt, true);
1744 }
1745
1746 return 0;
1747 }
1748
1749 /* cfg80211 operation handler for change_beacon.
1750 * Function retrieves and sets modified management IEs to FW.
1751 */
1752 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1753 struct net_device *dev,
1754 struct cfg80211_beacon_data *data)
1755 {
1756 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1757 struct mwifiex_adapter *adapter = priv->adapter;
1758
1759 mwifiex_cancel_scan(adapter);
1760
1761 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1762 mwifiex_dbg(priv->adapter, ERROR,
1763 "%s: bss_type mismatched\n", __func__);
1764 return -EINVAL;
1765 }
1766
1767 if (!priv->bss_started) {
1768 mwifiex_dbg(priv->adapter, ERROR,
1769 "%s: bss not started\n", __func__);
1770 return -EINVAL;
1771 }
1772
1773 if (mwifiex_set_mgmt_ies(priv, data)) {
1774 mwifiex_dbg(priv->adapter, ERROR,
1775 "%s: setting mgmt ies failed\n", __func__);
1776 return -EFAULT;
1777 }
1778
1779 return 0;
1780 }
1781
1782 /* cfg80211 operation handler for del_station.
1783 * Function deauthenticates station which value is provided in mac parameter.
1784 * If mac is NULL/broadcast, all stations in associated station list are
1785 * deauthenticated. If bss is not started or there are no stations in
1786 * associated stations list, no action is taken.
1787 */
1788 static int
1789 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1790 struct station_del_parameters *params)
1791 {
1792 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1793 struct mwifiex_sta_node *sta_node;
1794 u8 deauth_mac[ETH_ALEN];
1795 unsigned long flags;
1796
1797 if (!priv->bss_started && priv->wdev.cac_started) {
1798 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1799 mwifiex_abort_cac(priv);
1800 }
1801
1802 if (list_empty(&priv->sta_list) || !priv->bss_started)
1803 return 0;
1804
1805 if (!params->mac || is_broadcast_ether_addr(params->mac))
1806 return 0;
1807
1808 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1809 __func__, params->mac);
1810
1811 eth_zero_addr(deauth_mac);
1812
1813 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1814 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1815 if (sta_node)
1816 ether_addr_copy(deauth_mac, params->mac);
1817 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1818
1819 if (is_valid_ether_addr(deauth_mac)) {
1820 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1821 HostCmd_ACT_GEN_SET, 0,
1822 deauth_mac, true))
1823 return -1;
1824 }
1825
1826 return 0;
1827 }
1828
1829 static int
1830 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1831 {
1832 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1833 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1834 MWIFIEX_BSS_ROLE_ANY);
1835 struct mwifiex_ds_ant_cfg ant_cfg;
1836
1837 if (!tx_ant || !rx_ant)
1838 return -EOPNOTSUPP;
1839
1840 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1841 /* Not a MIMO chip. User should provide specific antenna number
1842 * for Tx/Rx path or enable all antennas for diversity
1843 */
1844 if (tx_ant != rx_ant)
1845 return -EOPNOTSUPP;
1846
1847 if ((tx_ant & (tx_ant - 1)) &&
1848 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1849 return -EOPNOTSUPP;
1850
1851 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1852 (priv->adapter->number_of_antenna > 1)) {
1853 tx_ant = RF_ANTENNA_AUTO;
1854 rx_ant = RF_ANTENNA_AUTO;
1855 }
1856 } else {
1857 struct ieee80211_sta_ht_cap *ht_info;
1858 int rx_mcs_supp;
1859 enum nl80211_band band;
1860
1861 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1862 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1863 if (adapter->is_hw_11ac_capable)
1864 adapter->usr_dot_11ac_mcs_support =
1865 MWIFIEX_11AC_MCS_MAP_1X1;
1866 } else {
1867 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1868 if (adapter->is_hw_11ac_capable)
1869 adapter->usr_dot_11ac_mcs_support =
1870 MWIFIEX_11AC_MCS_MAP_2X2;
1871 }
1872
1873 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1874 if (!adapter->wiphy->bands[band])
1875 continue;
1876
1877 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1878 rx_mcs_supp =
1879 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1880 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1881 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1882 }
1883 }
1884
1885 ant_cfg.tx_ant = tx_ant;
1886 ant_cfg.rx_ant = rx_ant;
1887
1888 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1889 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1890 }
1891
1892 static int
1893 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1894 {
1895 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1896 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1897 MWIFIEX_BSS_ROLE_ANY);
1898 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1899 HostCmd_ACT_GEN_GET, 0, NULL, true);
1900
1901 *tx_ant = priv->tx_ant;
1902 *rx_ant = priv->rx_ant;
1903
1904 return 0;
1905 }
1906
1907 /* cfg80211 operation handler for stop ap.
1908 * Function stops BSS running at uAP interface.
1909 */
1910 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1911 {
1912 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1913
1914 mwifiex_abort_cac(priv);
1915
1916 if (mwifiex_del_mgmt_ies(priv))
1917 mwifiex_dbg(priv->adapter, ERROR,
1918 "Failed to delete mgmt IEs!\n");
1919
1920 priv->ap_11n_enabled = 0;
1921 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1922
1923 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1924 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1925 mwifiex_dbg(priv->adapter, ERROR,
1926 "Failed to stop the BSS\n");
1927 return -1;
1928 }
1929
1930 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
1931 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1932 mwifiex_dbg(priv->adapter, ERROR,
1933 "Failed to reset BSS\n");
1934 return -1;
1935 }
1936
1937 if (netif_carrier_ok(priv->netdev))
1938 netif_carrier_off(priv->netdev);
1939 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
1940
1941 return 0;
1942 }
1943
1944 /* cfg80211 operation handler for start_ap.
1945 * Function sets beacon period, DTIM period, SSID and security into
1946 * AP config structure.
1947 * AP is configured with these settings and BSS is started.
1948 */
1949 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1950 struct net_device *dev,
1951 struct cfg80211_ap_settings *params)
1952 {
1953 struct mwifiex_uap_bss_param *bss_cfg;
1954 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1955
1956 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1957 return -1;
1958
1959 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1960 if (!bss_cfg)
1961 return -ENOMEM;
1962
1963 mwifiex_set_sys_config_invalid_data(bss_cfg);
1964
1965 if (params->beacon_interval)
1966 bss_cfg->beacon_period = params->beacon_interval;
1967 if (params->dtim_period)
1968 bss_cfg->dtim_period = params->dtim_period;
1969
1970 if (params->ssid && params->ssid_len) {
1971 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1972 bss_cfg->ssid.ssid_len = params->ssid_len;
1973 }
1974 if (params->inactivity_timeout > 0) {
1975 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1976 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1977 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1978 }
1979
1980 switch (params->hidden_ssid) {
1981 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1982 bss_cfg->bcast_ssid_ctl = 1;
1983 break;
1984 case NL80211_HIDDEN_SSID_ZERO_LEN:
1985 bss_cfg->bcast_ssid_ctl = 0;
1986 break;
1987 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1988 bss_cfg->bcast_ssid_ctl = 2;
1989 break;
1990 default:
1991 kfree(bss_cfg);
1992 return -EINVAL;
1993 }
1994
1995 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
1996 mwifiex_set_uap_rates(bss_cfg, params);
1997
1998 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1999 mwifiex_dbg(priv->adapter, ERROR,
2000 "Failed to parse security parameters!\n");
2001 goto out;
2002 }
2003
2004 mwifiex_set_ht_params(priv, bss_cfg, params);
2005
2006 if (priv->adapter->is_hw_11ac_capable) {
2007 mwifiex_set_vht_params(priv, bss_cfg, params);
2008 mwifiex_set_vht_width(priv, params->chandef.width,
2009 priv->ap_11ac_enabled);
2010 }
2011
2012 if (priv->ap_11ac_enabled)
2013 mwifiex_set_11ac_ba_params(priv);
2014 else
2015 mwifiex_set_ba_params(priv);
2016
2017 mwifiex_set_wmm_params(priv, bss_cfg, params);
2018
2019 if (mwifiex_is_11h_active(priv))
2020 mwifiex_set_tpc_params(priv, bss_cfg, params);
2021
2022 if (mwifiex_is_11h_active(priv) &&
2023 !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
2024 priv->bss_mode)) {
2025 mwifiex_dbg(priv->adapter, INFO,
2026 "Disable 11h extensions in FW\n");
2027 if (mwifiex_11h_activate(priv, false)) {
2028 mwifiex_dbg(priv->adapter, ERROR,
2029 "Failed to disable 11h extensions!!");
2030 goto out;
2031 }
2032 priv->state_11h.is_11h_active = false;
2033 }
2034
2035 mwifiex_config_uap_11d(priv, &params->beacon);
2036
2037 if (mwifiex_config_start_uap(priv, bss_cfg)) {
2038 mwifiex_dbg(priv->adapter, ERROR,
2039 "Failed to start AP\n");
2040 goto out;
2041 }
2042
2043 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
2044 goto out;
2045
2046 if (!netif_carrier_ok(priv->netdev))
2047 netif_carrier_on(priv->netdev);
2048 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2049
2050 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2051 kfree(bss_cfg);
2052 return 0;
2053
2054 out:
2055 kfree(bss_cfg);
2056 return -1;
2057 }
2058
2059 /*
2060 * CFG802.11 operation handler for disconnection request.
2061 *
2062 * This function does not work when there is already a disconnection
2063 * procedure going on.
2064 */
2065 static int
2066 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2067 u16 reason_code)
2068 {
2069 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2070
2071 if (!mwifiex_stop_bg_scan(priv))
2072 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2073
2074 if (mwifiex_deauthenticate(priv, NULL))
2075 return -EFAULT;
2076
2077 eth_zero_addr(priv->cfg_bssid);
2078 priv->hs2_enabled = false;
2079
2080 return 0;
2081 }
2082
2083 /*
2084 * This function informs the CFG802.11 subsystem of a new IBSS.
2085 *
2086 * The following information are sent to the CFG802.11 subsystem
2087 * to register the new IBSS. If we do not register the new IBSS,
2088 * a kernel panic will result.
2089 * - SSID
2090 * - SSID length
2091 * - BSSID
2092 * - Channel
2093 */
2094 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2095 {
2096 struct ieee80211_channel *chan;
2097 struct mwifiex_bss_info bss_info;
2098 struct cfg80211_bss *bss;
2099 int ie_len;
2100 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2101 enum nl80211_band band;
2102
2103 if (mwifiex_get_bss_info(priv, &bss_info))
2104 return -1;
2105
2106 ie_buf[0] = WLAN_EID_SSID;
2107 ie_buf[1] = bss_info.ssid.ssid_len;
2108
2109 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2110 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2111 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2112
2113 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2114 chan = ieee80211_get_channel(priv->wdev.wiphy,
2115 ieee80211_channel_to_frequency(bss_info.bss_chan,
2116 band));
2117
2118 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2119 CFG80211_BSS_FTYPE_UNKNOWN,
2120 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2121 0, ie_buf, ie_len, 0, GFP_KERNEL);
2122 if (bss) {
2123 cfg80211_put_bss(priv->wdev.wiphy, bss);
2124 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2125 }
2126
2127 return 0;
2128 }
2129
2130 /*
2131 * This function connects with a BSS.
2132 *
2133 * This function handles both Infra and Ad-Hoc modes. It also performs
2134 * validity checking on the provided parameters, disconnects from the
2135 * current BSS (if any), sets up the association/scan parameters,
2136 * including security settings, and performs specific SSID scan before
2137 * trying to connect.
2138 *
2139 * For Infra mode, the function returns failure if the specified SSID
2140 * is not found in scan table. However, for Ad-Hoc mode, it can create
2141 * the IBSS if it does not exist. On successful completion in either case,
2142 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2143 */
2144 static int
2145 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2146 const u8 *ssid, const u8 *bssid, int mode,
2147 struct ieee80211_channel *channel,
2148 struct cfg80211_connect_params *sme, bool privacy)
2149 {
2150 struct cfg80211_ssid req_ssid;
2151 int ret, auth_type = 0;
2152 struct cfg80211_bss *bss = NULL;
2153 u8 is_scanning_required = 0;
2154
2155 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2156
2157 req_ssid.ssid_len = ssid_len;
2158 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2159 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2160 return -EINVAL;
2161 }
2162
2163 memcpy(req_ssid.ssid, ssid, ssid_len);
2164 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2165 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2166 return -EINVAL;
2167 }
2168
2169 /* As this is new association, clear locally stored
2170 * keys and security related flags */
2171 priv->sec_info.wpa_enabled = false;
2172 priv->sec_info.wpa2_enabled = false;
2173 priv->wep_key_curr_index = 0;
2174 priv->sec_info.encryption_mode = 0;
2175 priv->sec_info.is_authtype_auto = 0;
2176 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2177
2178 if (mode == NL80211_IFTYPE_ADHOC) {
2179 u16 enable = true;
2180
2181 /* set ibss coalescing_status */
2182 ret = mwifiex_send_cmd(
2183 priv,
2184 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2185 HostCmd_ACT_GEN_SET, 0, &enable, true);
2186 if (ret)
2187 return ret;
2188
2189 /* "privacy" is set only for ad-hoc mode */
2190 if (privacy) {
2191 /*
2192 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2193 * the firmware can find a matching network from the
2194 * scan. The cfg80211 does not give us the encryption
2195 * mode at this stage so just setting it to WEP here.
2196 */
2197 priv->sec_info.encryption_mode =
2198 WLAN_CIPHER_SUITE_WEP104;
2199 priv->sec_info.authentication_mode =
2200 NL80211_AUTHTYPE_OPEN_SYSTEM;
2201 }
2202
2203 goto done;
2204 }
2205
2206 /* Now handle infra mode. "sme" is valid for infra mode only */
2207 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2208 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2209 priv->sec_info.is_authtype_auto = 1;
2210 } else {
2211 auth_type = sme->auth_type;
2212 }
2213
2214 if (sme->crypto.n_ciphers_pairwise) {
2215 priv->sec_info.encryption_mode =
2216 sme->crypto.ciphers_pairwise[0];
2217 priv->sec_info.authentication_mode = auth_type;
2218 }
2219
2220 if (sme->crypto.cipher_group) {
2221 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2222 priv->sec_info.authentication_mode = auth_type;
2223 }
2224 if (sme->ie)
2225 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2226
2227 if (sme->key) {
2228 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2229 mwifiex_dbg(priv->adapter, INFO,
2230 "info: setting wep encryption\t"
2231 "with key len %d\n", sme->key_len);
2232 priv->wep_key_curr_index = sme->key_idx;
2233 ret = mwifiex_set_encode(priv, NULL, sme->key,
2234 sme->key_len, sme->key_idx,
2235 NULL, 0);
2236 }
2237 }
2238 done:
2239 /*
2240 * Scan entries are valid for some time (15 sec). So we can save one
2241 * active scan time if we just try cfg80211_get_bss first. If it fails
2242 * then request scan and cfg80211_get_bss() again for final output.
2243 */
2244 while (1) {
2245 if (is_scanning_required) {
2246 /* Do specific SSID scanning */
2247 if (mwifiex_request_scan(priv, &req_ssid)) {
2248 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2249 return -EFAULT;
2250 }
2251 }
2252
2253 /* Find the BSS we want using available scan results */
2254 if (mode == NL80211_IFTYPE_ADHOC)
2255 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2256 bssid, ssid, ssid_len,
2257 IEEE80211_BSS_TYPE_IBSS,
2258 IEEE80211_PRIVACY_ANY);
2259 else
2260 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2261 bssid, ssid, ssid_len,
2262 IEEE80211_BSS_TYPE_ESS,
2263 IEEE80211_PRIVACY_ANY);
2264
2265 if (!bss) {
2266 if (is_scanning_required) {
2267 mwifiex_dbg(priv->adapter, MSG,
2268 "assoc: requested bss not found in scan results\n");
2269 break;
2270 }
2271 is_scanning_required = 1;
2272 } else {
2273 mwifiex_dbg(priv->adapter, MSG,
2274 "info: trying to associate to '%.*s' bssid %pM\n",
2275 req_ssid.ssid_len, (char *)req_ssid.ssid,
2276 bss->bssid);
2277 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2278 break;
2279 }
2280 }
2281
2282 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2283 if (ret)
2284 return ret;
2285
2286 if (mode == NL80211_IFTYPE_ADHOC) {
2287 /* Inform the BSS information to kernel, otherwise
2288 * kernel will give a panic after successful assoc */
2289 if (mwifiex_cfg80211_inform_ibss_bss(priv))
2290 return -EFAULT;
2291 }
2292
2293 return ret;
2294 }
2295
2296 /*
2297 * CFG802.11 operation handler for association request.
2298 *
2299 * This function does not work when the current mode is set to Ad-Hoc, or
2300 * when there is already an association procedure going on. The given BSS
2301 * information is used to associate.
2302 */
2303 static int
2304 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2305 struct cfg80211_connect_params *sme)
2306 {
2307 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2308 struct mwifiex_adapter *adapter = priv->adapter;
2309 int ret;
2310
2311 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2312 mwifiex_dbg(adapter, ERROR,
2313 "%s: reject infra assoc request in non-STA role\n",
2314 dev->name);
2315 return -EINVAL;
2316 }
2317
2318 if (priv->wdev.current_bss) {
2319 mwifiex_dbg(adapter, ERROR,
2320 "%s: already connected\n", dev->name);
2321 return -EALREADY;
2322 }
2323
2324 if (priv->scan_block)
2325 priv->scan_block = false;
2326
2327 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) ||
2328 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) {
2329 mwifiex_dbg(adapter, ERROR,
2330 "%s: Ignore connection.\t"
2331 "Card removed or FW in bad state\n",
2332 dev->name);
2333 return -EFAULT;
2334 }
2335
2336 mwifiex_dbg(adapter, INFO,
2337 "info: Trying to associate to %.*s and bssid %pM\n",
2338 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid);
2339
2340 if (!mwifiex_stop_bg_scan(priv))
2341 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2342
2343 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2344 priv->bss_mode, sme->channel, sme, 0);
2345 if (!ret) {
2346 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
2347 NULL, 0, WLAN_STATUS_SUCCESS,
2348 GFP_KERNEL);
2349 mwifiex_dbg(priv->adapter, MSG,
2350 "info: associated to bssid %pM successfully\n",
2351 priv->cfg_bssid);
2352 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2353 priv->adapter->auto_tdls &&
2354 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2355 mwifiex_setup_auto_tdls_timer(priv);
2356 } else {
2357 mwifiex_dbg(priv->adapter, ERROR,
2358 "info: association to bssid %pM failed\n",
2359 priv->cfg_bssid);
2360 eth_zero_addr(priv->cfg_bssid);
2361
2362 if (ret > 0)
2363 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2364 NULL, 0, NULL, 0, ret,
2365 GFP_KERNEL);
2366 else
2367 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2368 NULL, 0, NULL, 0,
2369 WLAN_STATUS_UNSPECIFIED_FAILURE,
2370 GFP_KERNEL);
2371 }
2372
2373 return 0;
2374 }
2375
2376 /*
2377 * This function sets following parameters for ibss network.
2378 * - channel
2379 * - start band
2380 * - 11n flag
2381 * - secondary channel offset
2382 */
2383 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2384 struct cfg80211_ibss_params *params)
2385 {
2386 struct mwifiex_adapter *adapter = priv->adapter;
2387 int index = 0, i;
2388 u8 config_bands = 0;
2389
2390 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2391 if (!params->basic_rates) {
2392 config_bands = BAND_B | BAND_G;
2393 } else {
2394 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2395 /*
2396 * Rates below 6 Mbps in the table are CCK
2397 * rates; 802.11b and from 6 they are OFDM;
2398 * 802.11G
2399 */
2400 if (mwifiex_rates[i].bitrate == 60) {
2401 index = 1 << i;
2402 break;
2403 }
2404 }
2405
2406 if (params->basic_rates < index) {
2407 config_bands = BAND_B;
2408 } else {
2409 config_bands = BAND_G;
2410 if (params->basic_rates % index)
2411 config_bands |= BAND_B;
2412 }
2413 }
2414
2415 if (cfg80211_get_chandef_type(&params->chandef) !=
2416 NL80211_CHAN_NO_HT)
2417 config_bands |= BAND_G | BAND_GN;
2418 } else {
2419 if (cfg80211_get_chandef_type(&params->chandef) ==
2420 NL80211_CHAN_NO_HT)
2421 config_bands = BAND_A;
2422 else
2423 config_bands = BAND_AN | BAND_A;
2424 }
2425
2426 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2427 adapter->config_bands = config_bands;
2428 adapter->adhoc_start_band = config_bands;
2429
2430 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2431 adapter->adhoc_11n_enabled = true;
2432 else
2433 adapter->adhoc_11n_enabled = false;
2434 }
2435
2436 adapter->sec_chan_offset =
2437 mwifiex_chan_type_to_sec_chan_offset(
2438 cfg80211_get_chandef_type(&params->chandef));
2439 priv->adhoc_channel = ieee80211_frequency_to_channel(
2440 params->chandef.chan->center_freq);
2441
2442 mwifiex_dbg(adapter, INFO,
2443 "info: set ibss band %d, chan %d, chan offset %d\n",
2444 config_bands, priv->adhoc_channel,
2445 adapter->sec_chan_offset);
2446
2447 return 0;
2448 }
2449
2450 /*
2451 * CFG802.11 operation handler to join an IBSS.
2452 *
2453 * This function does not work in any mode other than Ad-Hoc, or if
2454 * a join operation is already in progress.
2455 */
2456 static int
2457 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2458 struct cfg80211_ibss_params *params)
2459 {
2460 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2461 int ret = 0;
2462
2463 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2464 mwifiex_dbg(priv->adapter, ERROR,
2465 "request to join ibss received\t"
2466 "when station is not in ibss mode\n");
2467 goto done;
2468 }
2469
2470 mwifiex_dbg(priv->adapter, MSG,
2471 "info: trying to join to %.*s and bssid %pM\n",
2472 params->ssid_len, (char *)params->ssid, params->bssid);
2473
2474 mwifiex_set_ibss_params(priv, params);
2475
2476 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2477 params->bssid, priv->bss_mode,
2478 params->chandef.chan, NULL,
2479 params->privacy);
2480 done:
2481 if (!ret) {
2482 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2483 params->chandef.chan, GFP_KERNEL);
2484 mwifiex_dbg(priv->adapter, MSG,
2485 "info: joined/created adhoc network with bssid\t"
2486 "%pM successfully\n", priv->cfg_bssid);
2487 } else {
2488 mwifiex_dbg(priv->adapter, ERROR,
2489 "info: failed creating/joining adhoc network\n");
2490 }
2491
2492 return ret;
2493 }
2494
2495 /*
2496 * CFG802.11 operation handler to leave an IBSS.
2497 *
2498 * This function does not work if a leave operation is
2499 * already in progress.
2500 */
2501 static int
2502 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2503 {
2504 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2505
2506 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2507 priv->cfg_bssid);
2508 if (mwifiex_deauthenticate(priv, NULL))
2509 return -EFAULT;
2510
2511 eth_zero_addr(priv->cfg_bssid);
2512
2513 return 0;
2514 }
2515
2516 /*
2517 * CFG802.11 operation handler for scan request.
2518 *
2519 * This function issues a scan request to the firmware based upon
2520 * the user specified scan configuration. On successful completion,
2521 * it also informs the results.
2522 */
2523 static int
2524 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2525 struct cfg80211_scan_request *request)
2526 {
2527 struct net_device *dev = request->wdev->netdev;
2528 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2529 int i, offset, ret;
2530 struct ieee80211_channel *chan;
2531 struct ieee_types_header *ie;
2532 struct mwifiex_user_scan_cfg *user_scan_cfg;
2533 u8 mac_addr[ETH_ALEN];
2534
2535 mwifiex_dbg(priv->adapter, CMD,
2536 "info: received scan request on %s\n", dev->name);
2537
2538 /* Block scan request if scan operation or scan cleanup when interface
2539 * is disabled is in process
2540 */
2541 if (priv->scan_request || priv->scan_aborting) {
2542 mwifiex_dbg(priv->adapter, WARN,
2543 "cmd: Scan already in process..\n");
2544 return -EBUSY;
2545 }
2546
2547 if (!priv->wdev.current_bss && priv->scan_block)
2548 priv->scan_block = false;
2549
2550 if (!mwifiex_stop_bg_scan(priv))
2551 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2552
2553 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2554 if (!user_scan_cfg)
2555 return -ENOMEM;
2556
2557 priv->scan_request = request;
2558
2559 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2560 get_random_mask_addr(mac_addr, request->mac_addr,
2561 request->mac_addr_mask);
2562 ether_addr_copy(request->mac_addr, mac_addr);
2563 ether_addr_copy(user_scan_cfg->random_mac, mac_addr);
2564 }
2565
2566 user_scan_cfg->num_ssids = request->n_ssids;
2567 user_scan_cfg->ssid_list = request->ssids;
2568
2569 if (request->ie && request->ie_len) {
2570 offset = 0;
2571 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2572 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2573 continue;
2574 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2575 ie = (struct ieee_types_header *)(request->ie + offset);
2576 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2577 offset += sizeof(*ie) + ie->len;
2578
2579 if (offset >= request->ie_len)
2580 break;
2581 }
2582 }
2583
2584 for (i = 0; i < min_t(u32, request->n_channels,
2585 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2586 chan = request->channels[i];
2587 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2588 user_scan_cfg->chan_list[i].radio_type = chan->band;
2589
2590 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2591 user_scan_cfg->chan_list[i].scan_type =
2592 MWIFIEX_SCAN_TYPE_PASSIVE;
2593 else
2594 user_scan_cfg->chan_list[i].scan_type =
2595 MWIFIEX_SCAN_TYPE_ACTIVE;
2596
2597 user_scan_cfg->chan_list[i].scan_time = 0;
2598 }
2599
2600 if (priv->adapter->scan_chan_gap_enabled &&
2601 mwifiex_is_any_intf_active(priv))
2602 user_scan_cfg->scan_chan_gap =
2603 priv->adapter->scan_chan_gap_time;
2604
2605 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2606 kfree(user_scan_cfg);
2607 if (ret) {
2608 mwifiex_dbg(priv->adapter, ERROR,
2609 "scan failed: %d\n", ret);
2610 priv->scan_aborting = false;
2611 priv->scan_request = NULL;
2612 return ret;
2613 }
2614
2615 if (request->ie && request->ie_len) {
2616 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2617 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2618 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2619 memset(&priv->vs_ie[i].ie, 0,
2620 MWIFIEX_MAX_VSIE_LEN);
2621 }
2622 }
2623 }
2624 return 0;
2625 }
2626
2627 /* CFG802.11 operation handler for sched_scan_start.
2628 *
2629 * This function issues a bgscan config request to the firmware based upon
2630 * the user specified sched_scan configuration. On successful completion,
2631 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2632 * query command to get sched_scan results from firmware.
2633 */
2634 static int
2635 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2636 struct net_device *dev,
2637 struct cfg80211_sched_scan_request *request)
2638 {
2639 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2640 int i, offset;
2641 struct ieee80211_channel *chan;
2642 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2643 struct ieee_types_header *ie;
2644
2645 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2646 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2647 __func__);
2648 return -EINVAL;
2649 }
2650
2651 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2652 request->n_ssids, request->n_match_sets);
2653 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2654 request->n_channels, request->scan_plans->interval,
2655 (int)request->ie_len);
2656
2657 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2658 if (!bgscan_cfg)
2659 return -ENOMEM;
2660
2661 if (priv->scan_request || priv->scan_aborting)
2662 bgscan_cfg->start_later = true;
2663
2664 bgscan_cfg->num_ssids = request->n_match_sets;
2665 bgscan_cfg->ssid_list = request->match_sets;
2666
2667 if (request->ie && request->ie_len) {
2668 offset = 0;
2669 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2670 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2671 continue;
2672 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2673 ie = (struct ieee_types_header *)(request->ie + offset);
2674 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2675 offset += sizeof(*ie) + ie->len;
2676
2677 if (offset >= request->ie_len)
2678 break;
2679 }
2680 }
2681
2682 for (i = 0; i < min_t(u32, request->n_channels,
2683 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2684 chan = request->channels[i];
2685 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2686 bgscan_cfg->chan_list[i].radio_type = chan->band;
2687
2688 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2689 bgscan_cfg->chan_list[i].scan_type =
2690 MWIFIEX_SCAN_TYPE_PASSIVE;
2691 else
2692 bgscan_cfg->chan_list[i].scan_type =
2693 MWIFIEX_SCAN_TYPE_ACTIVE;
2694
2695 bgscan_cfg->chan_list[i].scan_time = 0;
2696 }
2697
2698 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2699 MWIFIEX_BG_SCAN_CHAN_MAX);
2700
2701 /* Use at least 15 second for per scan cycle */
2702 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2703 MWIFIEX_BGSCAN_INTERVAL) ?
2704 request->scan_plans->interval :
2705 MWIFIEX_BGSCAN_INTERVAL;
2706
2707 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2708 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2709 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2710 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2711 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2712 bgscan_cfg->enable = true;
2713 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2714 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2715 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2716 }
2717
2718 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2719 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2720 kfree(bgscan_cfg);
2721 return -EFAULT;
2722 }
2723
2724 priv->sched_scanning = true;
2725
2726 kfree(bgscan_cfg);
2727 return 0;
2728 }
2729
2730 /* CFG802.11 operation handler for sched_scan_stop.
2731 *
2732 * This function issues a bgscan config command to disable
2733 * previous bgscan configuration in the firmware
2734 */
2735 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2736 struct net_device *dev, u64 reqid)
2737 {
2738 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2739
2740 wiphy_info(wiphy, "sched scan stop!");
2741 mwifiex_stop_bg_scan(priv);
2742
2743 return 0;
2744 }
2745
2746 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2747 struct mwifiex_private *priv)
2748 {
2749 struct mwifiex_adapter *adapter = priv->adapter;
2750
2751 vht_info->vht_supported = true;
2752
2753 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2754 /* Update MCS support for VHT */
2755 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2756 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2757 vht_info->vht_mcs.rx_highest = 0;
2758 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2759 adapter->hw_dot_11ac_mcs_support >> 16);
2760 vht_info->vht_mcs.tx_highest = 0;
2761 }
2762
2763 /*
2764 * This function sets up the CFG802.11 specific HT capability fields
2765 * with default values.
2766 *
2767 * The following default values are set -
2768 * - HT Supported = True
2769 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2770 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2771 * - HT Capabilities supported by firmware
2772 * - MCS information, Rx mask = 0xff
2773 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2774 */
2775 static void
2776 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2777 struct mwifiex_private *priv)
2778 {
2779 int rx_mcs_supp;
2780 struct ieee80211_mcs_info mcs_set;
2781 u8 *mcs = (u8 *)&mcs_set;
2782 struct mwifiex_adapter *adapter = priv->adapter;
2783
2784 ht_info->ht_supported = true;
2785 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2786 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2787
2788 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2789
2790 /* Fill HT capability information */
2791 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2792 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2793 else
2794 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2795
2796 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2797 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2798 else
2799 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2800
2801 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2802 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2803 else
2804 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2805
2806 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2807 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2808 else
2809 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2810
2811 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2812 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2813 else
2814 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2815
2816 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2817 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2818 else
2819 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2820
2821 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2822 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2823 else
2824 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2825
2826 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2827 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2828 else
2829 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2830
2831 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2832 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2833
2834 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2835 /* Set MCS for 1x1/2x2 */
2836 memset(mcs, 0xff, rx_mcs_supp);
2837 /* Clear all the other values */
2838 memset(&mcs[rx_mcs_supp], 0,
2839 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2840 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2841 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2842 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2843 SETHT_MCS32(mcs_set.rx_mask);
2844
2845 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2846
2847 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2848 }
2849
2850 /*
2851 * create a new virtual interface with the given name and name assign type
2852 */
2853 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2854 const char *name,
2855 unsigned char name_assign_type,
2856 enum nl80211_iftype type,
2857 struct vif_params *params)
2858 {
2859 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2860 struct mwifiex_private *priv;
2861 struct net_device *dev;
2862 void *mdev_priv;
2863 int ret;
2864
2865 if (!adapter)
2866 return ERR_PTR(-EFAULT);
2867
2868 switch (type) {
2869 case NL80211_IFTYPE_UNSPECIFIED:
2870 case NL80211_IFTYPE_STATION:
2871 case NL80211_IFTYPE_ADHOC:
2872 if (adapter->curr_iface_comb.sta_intf ==
2873 adapter->iface_limit.sta_intf) {
2874 mwifiex_dbg(adapter, ERROR,
2875 "cannot create multiple sta/adhoc ifaces\n");
2876 return ERR_PTR(-EINVAL);
2877 }
2878
2879 priv = mwifiex_get_unused_priv_by_bss_type(
2880 adapter, MWIFIEX_BSS_TYPE_STA);
2881 if (!priv) {
2882 mwifiex_dbg(adapter, ERROR,
2883 "could not get free private struct\n");
2884 return ERR_PTR(-EFAULT);
2885 }
2886
2887 priv->wdev.wiphy = wiphy;
2888 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2889
2890 if (type == NL80211_IFTYPE_UNSPECIFIED)
2891 priv->bss_mode = NL80211_IFTYPE_STATION;
2892 else
2893 priv->bss_mode = type;
2894
2895 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2896 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2897 priv->bss_priority = 0;
2898 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2899
2900 break;
2901 case NL80211_IFTYPE_AP:
2902 if (adapter->curr_iface_comb.uap_intf ==
2903 adapter->iface_limit.uap_intf) {
2904 mwifiex_dbg(adapter, ERROR,
2905 "cannot create multiple AP ifaces\n");
2906 return ERR_PTR(-EINVAL);
2907 }
2908
2909 priv = mwifiex_get_unused_priv_by_bss_type(
2910 adapter, MWIFIEX_BSS_TYPE_UAP);
2911 if (!priv) {
2912 mwifiex_dbg(adapter, ERROR,
2913 "could not get free private struct\n");
2914 return ERR_PTR(-EFAULT);
2915 }
2916
2917 priv->wdev.wiphy = wiphy;
2918 priv->wdev.iftype = NL80211_IFTYPE_AP;
2919
2920 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2921 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2922 priv->bss_priority = 0;
2923 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2924 priv->bss_started = 0;
2925 priv->bss_mode = type;
2926
2927 break;
2928 case NL80211_IFTYPE_P2P_CLIENT:
2929 if (adapter->curr_iface_comb.p2p_intf ==
2930 adapter->iface_limit.p2p_intf) {
2931 mwifiex_dbg(adapter, ERROR,
2932 "cannot create multiple P2P ifaces\n");
2933 return ERR_PTR(-EINVAL);
2934 }
2935
2936 priv = mwifiex_get_unused_priv_by_bss_type(
2937 adapter, MWIFIEX_BSS_TYPE_P2P);
2938 if (!priv) {
2939 mwifiex_dbg(adapter, ERROR,
2940 "could not get free private struct\n");
2941 return ERR_PTR(-EFAULT);
2942 }
2943
2944 priv->wdev.wiphy = wiphy;
2945 /* At start-up, wpa_supplicant tries to change the interface
2946 * to NL80211_IFTYPE_STATION if it is not managed mode.
2947 */
2948 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2949 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2950
2951 /* Setting bss_type to P2P tells firmware that this interface
2952 * is receiving P2P peers found during find phase and doing
2953 * action frame handshake.
2954 */
2955 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2956
2957 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2958 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2959 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2960 priv->bss_started = 0;
2961
2962 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2963 memset(&priv->wdev, 0, sizeof(priv->wdev));
2964 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2965 return ERR_PTR(-EFAULT);
2966 }
2967
2968 break;
2969 default:
2970 mwifiex_dbg(adapter, ERROR, "type not supported\n");
2971 return ERR_PTR(-EINVAL);
2972 }
2973
2974 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2975 name_assign_type, ether_setup,
2976 IEEE80211_NUM_ACS, 1);
2977 if (!dev) {
2978 mwifiex_dbg(adapter, ERROR,
2979 "no memory available for netdevice\n");
2980 ret = -ENOMEM;
2981 goto err_alloc_netdev;
2982 }
2983
2984 mwifiex_init_priv_params(priv, dev);
2985
2986 priv->netdev = dev;
2987
2988 if (!adapter->mfg_mode) {
2989 mwifiex_set_mac_address(priv, dev, false, NULL);
2990
2991 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
2992 HostCmd_ACT_GEN_SET, 0, NULL, true);
2993 if (ret)
2994 goto err_set_bss_mode;
2995
2996 ret = mwifiex_sta_init_cmd(priv, false, false);
2997 if (ret)
2998 goto err_sta_init;
2999 }
3000
3001 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
3002 if (adapter->is_hw_11ac_capable)
3003 mwifiex_setup_vht_caps(
3004 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
3005
3006 if (adapter->config_bands & BAND_A)
3007 mwifiex_setup_ht_caps(
3008 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
3009
3010 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
3011 mwifiex_setup_vht_caps(
3012 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
3013
3014 dev_net_set(dev, wiphy_net(wiphy));
3015 dev->ieee80211_ptr = &priv->wdev;
3016 dev->ieee80211_ptr->iftype = priv->bss_mode;
3017 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
3018
3019 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
3020 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
3021 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
3022 dev->ethtool_ops = &mwifiex_ethtool_ops;
3023
3024 mdev_priv = netdev_priv(dev);
3025 *((unsigned long *) mdev_priv) = (unsigned long) priv;
3026
3027 SET_NETDEV_DEV(dev, adapter->dev);
3028
3029 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3030 WQ_HIGHPRI |
3031 WQ_MEM_RECLAIM |
3032 WQ_UNBOUND, 1, name);
3033 if (!priv->dfs_cac_workqueue) {
3034 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n");
3035 ret = -ENOMEM;
3036 goto err_alloc_cac;
3037 }
3038
3039 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3040
3041 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3042 WQ_HIGHPRI | WQ_UNBOUND |
3043 WQ_MEM_RECLAIM, 1, name);
3044 if (!priv->dfs_chan_sw_workqueue) {
3045 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n");
3046 ret = -ENOMEM;
3047 goto err_alloc_chsw;
3048 }
3049
3050 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3051 mwifiex_dfs_chan_sw_work_queue);
3052
3053 mutex_init(&priv->async_mutex);
3054
3055 /* Register network device */
3056 if (register_netdevice(dev)) {
3057 mwifiex_dbg(adapter, ERROR, "cannot register network device\n");
3058 ret = -EFAULT;
3059 goto err_reg_netdev;
3060 }
3061
3062 mwifiex_dbg(adapter, INFO,
3063 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3064
3065 #ifdef CONFIG_DEBUG_FS
3066 mwifiex_dev_debugfs_init(priv);
3067 #endif
3068
3069 switch (type) {
3070 case NL80211_IFTYPE_UNSPECIFIED:
3071 case NL80211_IFTYPE_STATION:
3072 case NL80211_IFTYPE_ADHOC:
3073 adapter->curr_iface_comb.sta_intf++;
3074 break;
3075 case NL80211_IFTYPE_AP:
3076 adapter->curr_iface_comb.uap_intf++;
3077 break;
3078 case NL80211_IFTYPE_P2P_CLIENT:
3079 adapter->curr_iface_comb.p2p_intf++;
3080 break;
3081 default:
3082 /* This should be dead code; checked above */
3083 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3084 return ERR_PTR(-EINVAL);
3085 }
3086
3087 return &priv->wdev;
3088
3089 err_reg_netdev:
3090 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3091 priv->dfs_chan_sw_workqueue = NULL;
3092 err_alloc_chsw:
3093 destroy_workqueue(priv->dfs_cac_workqueue);
3094 priv->dfs_cac_workqueue = NULL;
3095 err_alloc_cac:
3096 free_netdev(dev);
3097 priv->netdev = NULL;
3098 err_sta_init:
3099 err_set_bss_mode:
3100 err_alloc_netdev:
3101 memset(&priv->wdev, 0, sizeof(priv->wdev));
3102 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3103 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3104 return ERR_PTR(ret);
3105 }
3106 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3107
3108 /*
3109 * del_virtual_intf: remove the virtual interface determined by dev
3110 */
3111 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3112 {
3113 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3114 struct mwifiex_adapter *adapter = priv->adapter;
3115 struct sk_buff *skb, *tmp;
3116
3117 #ifdef CONFIG_DEBUG_FS
3118 mwifiex_dev_debugfs_remove(priv);
3119 #endif
3120
3121 if (priv->sched_scanning)
3122 priv->sched_scanning = false;
3123
3124 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3125
3126 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3127 skb_unlink(skb, &priv->bypass_txq);
3128 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3129 }
3130
3131 if (netif_carrier_ok(priv->netdev))
3132 netif_carrier_off(priv->netdev);
3133
3134 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3135 unregister_netdevice(wdev->netdev);
3136
3137 if (priv->dfs_cac_workqueue) {
3138 flush_workqueue(priv->dfs_cac_workqueue);
3139 destroy_workqueue(priv->dfs_cac_workqueue);
3140 priv->dfs_cac_workqueue = NULL;
3141 }
3142
3143 if (priv->dfs_chan_sw_workqueue) {
3144 flush_workqueue(priv->dfs_chan_sw_workqueue);
3145 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3146 priv->dfs_chan_sw_workqueue = NULL;
3147 }
3148 /* Clear the priv in adapter */
3149 priv->netdev = NULL;
3150
3151 switch (priv->bss_mode) {
3152 case NL80211_IFTYPE_UNSPECIFIED:
3153 case NL80211_IFTYPE_STATION:
3154 case NL80211_IFTYPE_ADHOC:
3155 adapter->curr_iface_comb.sta_intf--;
3156 break;
3157 case NL80211_IFTYPE_AP:
3158 adapter->curr_iface_comb.uap_intf--;
3159 break;
3160 case NL80211_IFTYPE_P2P_CLIENT:
3161 case NL80211_IFTYPE_P2P_GO:
3162 adapter->curr_iface_comb.p2p_intf--;
3163 break;
3164 default:
3165 mwifiex_dbg(adapter, ERROR,
3166 "del_virtual_intf: type not supported\n");
3167 break;
3168 }
3169
3170 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3171
3172 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3173 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3174 kfree(priv->hist_data);
3175
3176 return 0;
3177 }
3178 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3179
3180 static bool
3181 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3182 u8 max_byte_seq)
3183 {
3184 int j, k, valid_byte_cnt = 0;
3185 bool dont_care_byte = false;
3186
3187 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3188 for (k = 0; k < 8; k++) {
3189 if (pat->mask[j] & 1 << k) {
3190 memcpy(byte_seq + valid_byte_cnt,
3191 &pat->pattern[j * 8 + k], 1);
3192 valid_byte_cnt++;
3193 if (dont_care_byte)
3194 return false;
3195 } else {
3196 if (valid_byte_cnt)
3197 dont_care_byte = true;
3198 }
3199
3200 /* wildcard bytes record as the offset
3201 * before the valid byte
3202 */
3203 if (!valid_byte_cnt && !dont_care_byte)
3204 pat->pkt_offset++;
3205
3206 if (valid_byte_cnt > max_byte_seq)
3207 return false;
3208 }
3209 }
3210
3211 byte_seq[max_byte_seq] = valid_byte_cnt;
3212
3213 return true;
3214 }
3215
3216 #ifdef CONFIG_PM
3217 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3218 struct mwifiex_mef_entry *mef_entry)
3219 {
3220 int i, filt_num = 0, num_ipv4 = 0;
3221 struct in_device *in_dev;
3222 struct in_ifaddr *ifa;
3223 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3224 struct mwifiex_adapter *adapter = priv->adapter;
3225
3226 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3227 mef_entry->action = MEF_ACTION_AUTO_ARP;
3228
3229 /* Enable ARP offload feature */
3230 memset(ips, 0, sizeof(ips));
3231 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3232 if (adapter->priv[i]->netdev) {
3233 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3234 if (!in_dev)
3235 continue;
3236 ifa = in_dev->ifa_list;
3237 if (!ifa || !ifa->ifa_local)
3238 continue;
3239 ips[i] = ifa->ifa_local;
3240 num_ipv4++;
3241 }
3242 }
3243
3244 for (i = 0; i < num_ipv4; i++) {
3245 if (!ips[i])
3246 continue;
3247 mef_entry->filter[filt_num].repeat = 1;
3248 memcpy(mef_entry->filter[filt_num].byte_seq,
3249 (u8 *)&ips[i], sizeof(ips[i]));
3250 mef_entry->filter[filt_num].
3251 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3252 sizeof(ips[i]);
3253 mef_entry->filter[filt_num].offset = 46;
3254 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3255 if (filt_num) {
3256 mef_entry->filter[filt_num].filt_action =
3257 TYPE_OR;
3258 }
3259 filt_num++;
3260 }
3261
3262 mef_entry->filter[filt_num].repeat = 1;
3263 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3264 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3265 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3266 mef_entry->filter[filt_num].offset = 20;
3267 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3268 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3269 }
3270
3271 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3272 struct mwifiex_ds_mef_cfg *mef_cfg,
3273 struct mwifiex_mef_entry *mef_entry,
3274 struct cfg80211_wowlan *wowlan)
3275 {
3276 int i, filt_num = 0, ret = 0;
3277 bool first_pat = true;
3278 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3279 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3280 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3281
3282 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3283 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3284
3285 for (i = 0; i < wowlan->n_patterns; i++) {
3286 memset(byte_seq, 0, sizeof(byte_seq));
3287 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3288 byte_seq,
3289 MWIFIEX_MEF_MAX_BYTESEQ)) {
3290 mwifiex_dbg(priv->adapter, ERROR,
3291 "Pattern not supported\n");
3292 return -EOPNOTSUPP;
3293 }
3294
3295 if (!wowlan->patterns[i].pkt_offset) {
3296 if (!(byte_seq[0] & 0x01) &&
3297 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3298 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3299 continue;
3300 } else if (is_broadcast_ether_addr(byte_seq)) {
3301 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3302 continue;
3303 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3304 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3305 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3306 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3307 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3308 continue;
3309 }
3310 }
3311 mef_entry->filter[filt_num].repeat = 1;
3312 mef_entry->filter[filt_num].offset =
3313 wowlan->patterns[i].pkt_offset;
3314 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3315 sizeof(byte_seq));
3316 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3317
3318 if (first_pat) {
3319 first_pat = false;
3320 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3321 } else {
3322 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3323 }
3324
3325 filt_num++;
3326 }
3327
3328 if (wowlan->magic_pkt) {
3329 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3330 mef_entry->filter[filt_num].repeat = 16;
3331 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3332 ETH_ALEN);
3333 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3334 ETH_ALEN;
3335 mef_entry->filter[filt_num].offset = 28;
3336 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3337 if (filt_num)
3338 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3339
3340 filt_num++;
3341 mef_entry->filter[filt_num].repeat = 16;
3342 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3343 ETH_ALEN);
3344 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3345 ETH_ALEN;
3346 mef_entry->filter[filt_num].offset = 56;
3347 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3348 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3349 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3350 }
3351 return ret;
3352 }
3353
3354 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3355 struct cfg80211_wowlan *wowlan)
3356 {
3357 int ret = 0, num_entries = 1;
3358 struct mwifiex_ds_mef_cfg mef_cfg;
3359 struct mwifiex_mef_entry *mef_entry;
3360
3361 if (wowlan->n_patterns || wowlan->magic_pkt)
3362 num_entries++;
3363
3364 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3365 if (!mef_entry)
3366 return -ENOMEM;
3367
3368 memset(&mef_cfg, 0, sizeof(mef_cfg));
3369 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3370 MWIFIEX_CRITERIA_UNICAST;
3371 mef_cfg.num_entries = num_entries;
3372 mef_cfg.mef_entry = mef_entry;
3373
3374 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3375
3376 if (wowlan->n_patterns || wowlan->magic_pkt) {
3377 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3378 &mef_entry[1], wowlan);
3379 if (ret)
3380 goto err;
3381 }
3382
3383 if (!mef_cfg.criteria)
3384 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3385 MWIFIEX_CRITERIA_UNICAST |
3386 MWIFIEX_CRITERIA_MULTICAST;
3387
3388 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3389 HostCmd_ACT_GEN_SET, 0,
3390 &mef_cfg, true);
3391
3392 err:
3393 kfree(mef_entry);
3394 return ret;
3395 }
3396
3397 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3398 struct cfg80211_wowlan *wowlan)
3399 {
3400 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3401 struct mwifiex_ds_hs_cfg hs_cfg;
3402 int i, ret = 0, retry_num = 10;
3403 struct mwifiex_private *priv;
3404 struct mwifiex_private *sta_priv =
3405 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3406
3407 sta_priv->scan_aborting = true;
3408 for (i = 0; i < adapter->priv_num; i++) {
3409 priv = adapter->priv[i];
3410 mwifiex_abort_cac(priv);
3411 }
3412
3413 mwifiex_cancel_all_pending_cmd(adapter);
3414
3415 for (i = 0; i < adapter->priv_num; i++) {
3416 priv = adapter->priv[i];
3417 if (priv && priv->netdev)
3418 netif_device_detach(priv->netdev);
3419 }
3420
3421 for (i = 0; i < retry_num; i++) {
3422 if (!mwifiex_wmm_lists_empty(adapter) ||
3423 !mwifiex_bypass_txlist_empty(adapter) ||
3424 !skb_queue_empty(&adapter->tx_data_q))
3425 usleep_range(10000, 15000);
3426 else
3427 break;
3428 }
3429
3430 if (!wowlan) {
3431 mwifiex_dbg(adapter, ERROR,
3432 "None of the WOWLAN triggers enabled\n");
3433 ret = 0;
3434 goto done;
3435 }
3436
3437 if (!sta_priv->media_connected && !wowlan->nd_config) {
3438 mwifiex_dbg(adapter, ERROR,
3439 "Can not configure WOWLAN in disconnected state\n");
3440 ret = 0;
3441 goto done;
3442 }
3443
3444 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3445 if (ret) {
3446 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3447 goto done;
3448 }
3449
3450 memset(&hs_cfg, 0, sizeof(hs_cfg));
3451 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3452
3453 if (wowlan->nd_config) {
3454 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3455 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3456 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3457 wowlan->nd_config);
3458 }
3459
3460 if (wowlan->disconnect) {
3461 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3462 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3463 }
3464
3465 hs_cfg.is_invoke_hostcmd = false;
3466 hs_cfg.gpio = adapter->hs_cfg.gpio;
3467 hs_cfg.gap = adapter->hs_cfg.gap;
3468 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3469 MWIFIEX_SYNC_CMD, &hs_cfg);
3470 if (ret)
3471 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3472
3473 done:
3474 sta_priv->scan_aborting = false;
3475 return ret;
3476 }
3477
3478 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3479 {
3480 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3481 struct mwifiex_private *priv;
3482 struct mwifiex_ds_wakeup_reason wakeup_reason;
3483 struct cfg80211_wowlan_wakeup wakeup_report;
3484 int i;
3485 bool report_wakeup_reason = true;
3486
3487 for (i = 0; i < adapter->priv_num; i++) {
3488 priv = adapter->priv[i];
3489 if (priv && priv->netdev)
3490 netif_device_attach(priv->netdev);
3491 }
3492
3493 if (!wiphy->wowlan_config)
3494 goto done;
3495
3496 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3497 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3498 &wakeup_reason);
3499 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3500
3501 wakeup_report.pattern_idx = -1;
3502
3503 switch (wakeup_reason.hs_wakeup_reason) {
3504 case NO_HSWAKEUP_REASON:
3505 break;
3506 case BCAST_DATA_MATCHED:
3507 break;
3508 case MCAST_DATA_MATCHED:
3509 break;
3510 case UCAST_DATA_MATCHED:
3511 break;
3512 case MASKTABLE_EVENT_MATCHED:
3513 break;
3514 case NON_MASKABLE_EVENT_MATCHED:
3515 if (wiphy->wowlan_config->disconnect)
3516 wakeup_report.disconnect = true;
3517 if (wiphy->wowlan_config->nd_config)
3518 wakeup_report.net_detect = adapter->nd_info;
3519 break;
3520 case NON_MASKABLE_CONDITION_MATCHED:
3521 break;
3522 case MAGIC_PATTERN_MATCHED:
3523 if (wiphy->wowlan_config->magic_pkt)
3524 wakeup_report.magic_pkt = true;
3525 if (wiphy->wowlan_config->n_patterns)
3526 wakeup_report.pattern_idx = 1;
3527 break;
3528 case GTK_REKEY_FAILURE:
3529 if (wiphy->wowlan_config->gtk_rekey_failure)
3530 wakeup_report.gtk_rekey_failure = true;
3531 break;
3532 default:
3533 report_wakeup_reason = false;
3534 break;
3535 }
3536
3537 if (report_wakeup_reason)
3538 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3539 GFP_KERNEL);
3540
3541 done:
3542 if (adapter->nd_info) {
3543 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3544 kfree(adapter->nd_info->matches[i]);
3545 kfree(adapter->nd_info);
3546 adapter->nd_info = NULL;
3547 }
3548
3549 return 0;
3550 }
3551
3552 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3553 bool enabled)
3554 {
3555 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3556
3557 device_set_wakeup_enable(adapter->dev, enabled);
3558 }
3559
3560 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3561 struct cfg80211_gtk_rekey_data *data)
3562 {
3563 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3564
3565 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
3566 return -EOPNOTSUPP;
3567
3568 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3569 HostCmd_ACT_GEN_SET, 0, data, true);
3570 }
3571
3572 #endif
3573
3574 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3575 {
3576 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3577 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3578 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3579
3580 if ((byte_seq[0] & 0x01) &&
3581 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3582 return PACKET_TYPE_UNICAST;
3583 else if (!memcmp(byte_seq, bc_mac, 4))
3584 return PACKET_TYPE_BROADCAST;
3585 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3586 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3587 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3588 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3589 return PACKET_TYPE_MULTICAST;
3590
3591 return 0;
3592 }
3593
3594 static int
3595 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3596 struct cfg80211_coalesce_rules *crule,
3597 struct mwifiex_coalesce_rule *mrule)
3598 {
3599 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3600 struct filt_field_param *param;
3601 int i;
3602
3603 mrule->max_coalescing_delay = crule->delay;
3604
3605 param = mrule->params;
3606
3607 for (i = 0; i < crule->n_patterns; i++) {
3608 memset(byte_seq, 0, sizeof(byte_seq));
3609 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3610 byte_seq,
3611 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3612 mwifiex_dbg(priv->adapter, ERROR,
3613 "Pattern not supported\n");
3614 return -EOPNOTSUPP;
3615 }
3616
3617 if (!crule->patterns[i].pkt_offset) {
3618 u8 pkt_type;
3619
3620 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3621 if (pkt_type && mrule->pkt_type) {
3622 mwifiex_dbg(priv->adapter, ERROR,
3623 "Multiple packet types not allowed\n");
3624 return -EOPNOTSUPP;
3625 } else if (pkt_type) {
3626 mrule->pkt_type = pkt_type;
3627 continue;
3628 }
3629 }
3630
3631 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3632 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3633 else
3634 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3635
3636 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3637 memcpy(param->operand_byte_stream, byte_seq,
3638 param->operand_len);
3639 param->offset = crule->patterns[i].pkt_offset;
3640 param++;
3641
3642 mrule->num_of_fields++;
3643 }
3644
3645 if (!mrule->pkt_type) {
3646 mwifiex_dbg(priv->adapter, ERROR,
3647 "Packet type can not be determined\n");
3648 return -EOPNOTSUPP;
3649 }
3650
3651 return 0;
3652 }
3653
3654 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3655 struct cfg80211_coalesce *coalesce)
3656 {
3657 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3658 int i, ret;
3659 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3660 struct mwifiex_private *priv =
3661 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3662
3663 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3664 if (!coalesce) {
3665 mwifiex_dbg(adapter, WARN,
3666 "Disable coalesce and reset all previous rules\n");
3667 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3668 HostCmd_ACT_GEN_SET, 0,
3669 &coalesce_cfg, true);
3670 }
3671
3672 coalesce_cfg.num_of_rules = coalesce->n_rules;
3673 for (i = 0; i < coalesce->n_rules; i++) {
3674 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3675 &coalesce_cfg.rule[i]);
3676 if (ret) {
3677 mwifiex_dbg(adapter, ERROR,
3678 "Recheck the patterns provided for rule %d\n",
3679 i + 1);
3680 return ret;
3681 }
3682 }
3683
3684 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3685 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3686 }
3687
3688 /* cfg80211 ops handler for tdls_mgmt.
3689 * Function prepares TDLS action frame packets and forwards them to FW
3690 */
3691 static int
3692 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3693 const u8 *peer, u8 action_code, u8 dialog_token,
3694 u16 status_code, u32 peer_capability,
3695 bool initiator, const u8 *extra_ies,
3696 size_t extra_ies_len)
3697 {
3698 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3699 int ret;
3700
3701 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3702 return -ENOTSUPP;
3703
3704 /* make sure we are in station mode and connected */
3705 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3706 return -ENOTSUPP;
3707
3708 switch (action_code) {
3709 case WLAN_TDLS_SETUP_REQUEST:
3710 mwifiex_dbg(priv->adapter, MSG,
3711 "Send TDLS Setup Request to %pM status_code=%d\n",
3712 peer, status_code);
3713 mwifiex_add_auto_tdls_peer(priv, peer);
3714 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3715 dialog_token, status_code,
3716 extra_ies, extra_ies_len);
3717 break;
3718 case WLAN_TDLS_SETUP_RESPONSE:
3719 mwifiex_add_auto_tdls_peer(priv, peer);
3720 mwifiex_dbg(priv->adapter, MSG,
3721 "Send TDLS Setup Response to %pM status_code=%d\n",
3722 peer, status_code);
3723 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3724 dialog_token, status_code,
3725 extra_ies, extra_ies_len);
3726 break;
3727 case WLAN_TDLS_SETUP_CONFIRM:
3728 mwifiex_dbg(priv->adapter, MSG,
3729 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3730 status_code);
3731 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3732 dialog_token, status_code,
3733 extra_ies, extra_ies_len);
3734 break;
3735 case WLAN_TDLS_TEARDOWN:
3736 mwifiex_dbg(priv->adapter, MSG,
3737 "Send TDLS Tear down to %pM\n", peer);
3738 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3739 dialog_token, status_code,
3740 extra_ies, extra_ies_len);
3741 break;
3742 case WLAN_TDLS_DISCOVERY_REQUEST:
3743 mwifiex_dbg(priv->adapter, MSG,
3744 "Send TDLS Discovery Request to %pM\n", peer);
3745 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3746 dialog_token, status_code,
3747 extra_ies, extra_ies_len);
3748 break;
3749 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3750 mwifiex_dbg(priv->adapter, MSG,
3751 "Send TDLS Discovery Response to %pM\n", peer);
3752 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3753 dialog_token, status_code,
3754 extra_ies, extra_ies_len);
3755 break;
3756 default:
3757 mwifiex_dbg(priv->adapter, ERROR,
3758 "Unknown TDLS mgmt/action frame %pM\n", peer);
3759 ret = -EINVAL;
3760 break;
3761 }
3762
3763 return ret;
3764 }
3765
3766 static int
3767 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3768 const u8 *peer, enum nl80211_tdls_operation action)
3769 {
3770 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3771
3772 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3773 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3774 return -ENOTSUPP;
3775
3776 /* make sure we are in station mode and connected */
3777 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3778 return -ENOTSUPP;
3779
3780 mwifiex_dbg(priv->adapter, MSG,
3781 "TDLS peer=%pM, oper=%d\n", peer, action);
3782
3783 switch (action) {
3784 case NL80211_TDLS_ENABLE_LINK:
3785 action = MWIFIEX_TDLS_ENABLE_LINK;
3786 break;
3787 case NL80211_TDLS_DISABLE_LINK:
3788 action = MWIFIEX_TDLS_DISABLE_LINK;
3789 break;
3790 case NL80211_TDLS_TEARDOWN:
3791 /* shouldn't happen!*/
3792 mwifiex_dbg(priv->adapter, ERROR,
3793 "tdls_oper: teardown from driver not supported\n");
3794 return -EINVAL;
3795 case NL80211_TDLS_SETUP:
3796 /* shouldn't happen!*/
3797 mwifiex_dbg(priv->adapter, ERROR,
3798 "tdls_oper: setup from driver not supported\n");
3799 return -EINVAL;
3800 case NL80211_TDLS_DISCOVERY_REQ:
3801 /* shouldn't happen!*/
3802 mwifiex_dbg(priv->adapter, ERROR,
3803 "tdls_oper: discovery from driver not supported\n");
3804 return -EINVAL;
3805 default:
3806 mwifiex_dbg(priv->adapter, ERROR,
3807 "tdls_oper: operation not supported\n");
3808 return -ENOTSUPP;
3809 }
3810
3811 return mwifiex_tdls_oper(priv, peer, action);
3812 }
3813
3814 static int
3815 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3816 const u8 *addr, u8 oper_class,
3817 struct cfg80211_chan_def *chandef)
3818 {
3819 struct mwifiex_sta_node *sta_ptr;
3820 unsigned long flags;
3821 u16 chan;
3822 u8 second_chan_offset, band;
3823 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3824
3825 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3826 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3827 if (!sta_ptr) {
3828 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3829 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3830 __func__, addr);
3831 return -ENOENT;
3832 }
3833
3834 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3835 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3836 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3837 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3838 return -ENOENT;
3839 }
3840
3841 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3842 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3843 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3844 wiphy_err(wiphy, "channel switch is running, abort request\n");
3845 return -EALREADY;
3846 }
3847 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3848
3849 chan = chandef->chan->hw_value;
3850 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3851 band = chandef->chan->band;
3852 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3853
3854 return 0;
3855 }
3856
3857 static void
3858 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3859 struct net_device *dev,
3860 const u8 *addr)
3861 {
3862 struct mwifiex_sta_node *sta_ptr;
3863 unsigned long flags;
3864 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3865
3866 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3867 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3868 if (!sta_ptr) {
3869 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3870 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3871 __func__, addr);
3872 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3873 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3874 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3875 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3876 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3877 addr);
3878 } else {
3879 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3880 mwifiex_stop_tdls_cs(priv, addr);
3881 }
3882 }
3883
3884 static int
3885 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3886 const u8 *mac, struct station_parameters *params)
3887 {
3888 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3889
3890 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3891 return -ENOTSUPP;
3892
3893 /* make sure we are in station mode and connected */
3894 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3895 return -ENOTSUPP;
3896
3897 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3898 }
3899
3900 static int
3901 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3902 struct cfg80211_csa_settings *params)
3903 {
3904 struct ieee_types_header *chsw_ie;
3905 struct ieee80211_channel_sw_ie *channel_sw;
3906 int chsw_msec;
3907 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3908
3909 if (priv->adapter->scan_processing) {
3910 mwifiex_dbg(priv->adapter, ERROR,
3911 "radar detection: scan in process...\n");
3912 return -EBUSY;
3913 }
3914
3915 if (priv->wdev.cac_started)
3916 return -EBUSY;
3917
3918 if (cfg80211_chandef_identical(&params->chandef,
3919 &priv->dfs_chandef))
3920 return -EINVAL;
3921
3922 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3923 params->beacon_csa.tail,
3924 params->beacon_csa.tail_len);
3925 if (!chsw_ie) {
3926 mwifiex_dbg(priv->adapter, ERROR,
3927 "Could not parse channel switch announcement IE\n");
3928 return -EINVAL;
3929 }
3930
3931 channel_sw = (void *)(chsw_ie + 1);
3932 if (channel_sw->mode) {
3933 if (netif_carrier_ok(priv->netdev))
3934 netif_carrier_off(priv->netdev);
3935 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3936 }
3937
3938 if (mwifiex_del_mgmt_ies(priv))
3939 mwifiex_dbg(priv->adapter, ERROR,
3940 "Failed to delete mgmt IEs!\n");
3941
3942 if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
3943 mwifiex_dbg(priv->adapter, ERROR,
3944 "%s: setting mgmt ies failed\n", __func__);
3945 return -EFAULT;
3946 }
3947
3948 memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
3949 memcpy(&priv->beacon_after, &params->beacon_after,
3950 sizeof(priv->beacon_after));
3951
3952 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
3953 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
3954 msecs_to_jiffies(chsw_msec));
3955 return 0;
3956 }
3957
3958 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
3959 struct wireless_dev *wdev,
3960 struct cfg80211_chan_def *chandef)
3961 {
3962 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3963 struct mwifiex_bssdescriptor *curr_bss;
3964 struct ieee80211_channel *chan;
3965 enum nl80211_channel_type chan_type;
3966 enum nl80211_band band;
3967 int freq;
3968 int ret = -ENODATA;
3969
3970 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
3971 cfg80211_chandef_valid(&priv->bss_chandef)) {
3972 *chandef = priv->bss_chandef;
3973 ret = 0;
3974 } else if (priv->media_connected) {
3975 curr_bss = &priv->curr_bss_params.bss_descriptor;
3976 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
3977 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
3978 chan = ieee80211_get_channel(wiphy, freq);
3979
3980 if (priv->ht_param_present) {
3981 chan_type = mwifiex_get_chan_type(priv);
3982 cfg80211_chandef_create(chandef, chan, chan_type);
3983 } else {
3984 cfg80211_chandef_create(chandef, chan,
3985 NL80211_CHAN_NO_HT);
3986 }
3987 ret = 0;
3988 }
3989
3990 return ret;
3991 }
3992
3993 #ifdef CONFIG_NL80211_TESTMODE
3994
3995 enum mwifiex_tm_attr {
3996 __MWIFIEX_TM_ATTR_INVALID = 0,
3997 MWIFIEX_TM_ATTR_CMD = 1,
3998 MWIFIEX_TM_ATTR_DATA = 2,
3999
4000 /* keep last */
4001 __MWIFIEX_TM_ATTR_AFTER_LAST,
4002 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
4003 };
4004
4005 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
4006 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
4007 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
4008 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
4009 };
4010
4011 enum mwifiex_tm_command {
4012 MWIFIEX_TM_CMD_HOSTCMD = 0,
4013 };
4014
4015 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
4016 void *data, int len)
4017 {
4018 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4019 struct mwifiex_ds_misc_cmd *hostcmd;
4020 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
4021 struct sk_buff *skb;
4022 int err;
4023
4024 if (!priv)
4025 return -EINVAL;
4026
4027 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, mwifiex_tm_policy,
4028 NULL);
4029 if (err)
4030 return err;
4031
4032 if (!tb[MWIFIEX_TM_ATTR_CMD])
4033 return -EINVAL;
4034
4035 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4036 case MWIFIEX_TM_CMD_HOSTCMD:
4037 if (!tb[MWIFIEX_TM_ATTR_DATA])
4038 return -EINVAL;
4039
4040 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4041 if (!hostcmd)
4042 return -ENOMEM;
4043
4044 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4045 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4046 hostcmd->len);
4047
4048 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4049 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4050 return -EFAULT;
4051 }
4052
4053 /* process hostcmd response*/
4054 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4055 if (!skb)
4056 return -ENOMEM;
4057 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4058 hostcmd->len, hostcmd->cmd);
4059 if (err) {
4060 kfree_skb(skb);
4061 return -EMSGSIZE;
4062 }
4063
4064 err = cfg80211_testmode_reply(skb);
4065 kfree(hostcmd);
4066 return err;
4067 default:
4068 return -EOPNOTSUPP;
4069 }
4070 }
4071 #endif
4072
4073 static int
4074 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4075 struct net_device *dev,
4076 struct cfg80211_chan_def *chandef,
4077 u32 cac_time_ms)
4078 {
4079 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4080 struct mwifiex_radar_params radar_params;
4081
4082 if (priv->adapter->scan_processing) {
4083 mwifiex_dbg(priv->adapter, ERROR,
4084 "radar detection: scan already in process...\n");
4085 return -EBUSY;
4086 }
4087
4088 if (!mwifiex_is_11h_active(priv)) {
4089 mwifiex_dbg(priv->adapter, INFO,
4090 "Enable 11h extensions in FW\n");
4091 if (mwifiex_11h_activate(priv, true)) {
4092 mwifiex_dbg(priv->adapter, ERROR,
4093 "Failed to activate 11h extensions!!");
4094 return -1;
4095 }
4096 priv->state_11h.is_11h_active = true;
4097 }
4098
4099 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4100 radar_params.chandef = chandef;
4101 radar_params.cac_time_ms = cac_time_ms;
4102
4103 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4104
4105 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4106 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4107 return -1;
4108
4109 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4110 msecs_to_jiffies(cac_time_ms));
4111 return 0;
4112 }
4113
4114 static int
4115 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4116 const u8 *mac,
4117 struct station_parameters *params)
4118 {
4119 int ret;
4120 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4121
4122 /* we support change_station handler only for TDLS peers*/
4123 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4124 return -ENOTSUPP;
4125
4126 /* make sure we are in station mode and connected */
4127 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4128 return -ENOTSUPP;
4129
4130 priv->sta_params = params;
4131
4132 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4133 priv->sta_params = NULL;
4134
4135 return ret;
4136 }
4137
4138 /* station cfg80211 operations */
4139 static struct cfg80211_ops mwifiex_cfg80211_ops = {
4140 .add_virtual_intf = mwifiex_add_virtual_intf,
4141 .del_virtual_intf = mwifiex_del_virtual_intf,
4142 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4143 .scan = mwifiex_cfg80211_scan,
4144 .connect = mwifiex_cfg80211_connect,
4145 .disconnect = mwifiex_cfg80211_disconnect,
4146 .get_station = mwifiex_cfg80211_get_station,
4147 .dump_station = mwifiex_cfg80211_dump_station,
4148 .dump_survey = mwifiex_cfg80211_dump_survey,
4149 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4150 .join_ibss = mwifiex_cfg80211_join_ibss,
4151 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4152 .add_key = mwifiex_cfg80211_add_key,
4153 .del_key = mwifiex_cfg80211_del_key,
4154 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4155 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4156 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
4157 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4158 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4159 .set_default_key = mwifiex_cfg80211_set_default_key,
4160 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4161 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4162 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4163 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4164 .start_ap = mwifiex_cfg80211_start_ap,
4165 .stop_ap = mwifiex_cfg80211_stop_ap,
4166 .change_beacon = mwifiex_cfg80211_change_beacon,
4167 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4168 .set_antenna = mwifiex_cfg80211_set_antenna,
4169 .get_antenna = mwifiex_cfg80211_get_antenna,
4170 .del_station = mwifiex_cfg80211_del_station,
4171 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4172 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4173 #ifdef CONFIG_PM
4174 .suspend = mwifiex_cfg80211_suspend,
4175 .resume = mwifiex_cfg80211_resume,
4176 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4177 .set_rekey_data = mwifiex_set_rekey_data,
4178 #endif
4179 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4180 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4181 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4182 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4183 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4184 .add_station = mwifiex_cfg80211_add_station,
4185 .change_station = mwifiex_cfg80211_change_station,
4186 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4187 .get_channel = mwifiex_cfg80211_get_channel,
4188 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4189 .channel_switch = mwifiex_cfg80211_channel_switch,
4190 };
4191
4192 #ifdef CONFIG_PM
4193 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4194 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4195 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4196 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4197 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4198 .pattern_min_len = 1,
4199 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4200 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4201 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4202 };
4203
4204 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = {
4205 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4206 WIPHY_WOWLAN_NET_DETECT,
4207 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4208 .pattern_min_len = 1,
4209 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4210 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4211 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4212 };
4213 #endif
4214
4215 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4216 {
4217 if (!alpha2 || strlen(alpha2) != 2)
4218 return false;
4219
4220 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4221 return true;
4222
4223 return false;
4224 }
4225
4226 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4227 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4228 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4229 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4230 .pattern_min_len = 1,
4231 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4232 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4233 };
4234
4235 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4236 {
4237 u32 n_channels_bg, n_channels_a = 0;
4238
4239 n_channels_bg = mwifiex_band_2ghz.n_channels;
4240
4241 if (adapter->config_bands & BAND_A)
4242 n_channels_a = mwifiex_band_5ghz.n_channels;
4243
4244 /* allocate twice the number total channels, since the driver issues an
4245 * additional active scan request for hidden SSIDs on passive channels.
4246 */
4247 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a);
4248 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats),
4249 adapter->num_in_chan_stats));
4250
4251 if (!adapter->chan_stats)
4252 return -ENOMEM;
4253
4254 return 0;
4255 }
4256
4257 /*
4258 * This function registers the device with CFG802.11 subsystem.
4259 *
4260 * The function creates the wireless device/wiphy, populates it with
4261 * default parameters and handler function pointers, and finally
4262 * registers the device.
4263 */
4264
4265 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4266 {
4267 int ret;
4268 void *wdev_priv;
4269 struct wiphy *wiphy;
4270 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4271 u8 *country_code;
4272 u32 thr, retry;
4273
4274 /* create a new wiphy for use with cfg80211 */
4275 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4276 sizeof(struct mwifiex_adapter *));
4277 if (!wiphy) {
4278 mwifiex_dbg(adapter, ERROR,
4279 "%s: creating new wiphy\n", __func__);
4280 return -ENOMEM;
4281 }
4282 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4283 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4284 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4285 wiphy->max_remain_on_channel_duration = 5000;
4286 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4287 BIT(NL80211_IFTYPE_ADHOC) |
4288 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4289 BIT(NL80211_IFTYPE_P2P_GO) |
4290 BIT(NL80211_IFTYPE_AP);
4291
4292 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
4293 if (adapter->config_bands & BAND_A)
4294 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
4295 else
4296 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4297
4298 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4299 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4300 else if (adapter->is_hw_11ac_capable)
4301 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4302 else
4303 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4304 wiphy->n_iface_combinations = 1;
4305
4306 /* Initialize cipher suits */
4307 wiphy->cipher_suites = mwifiex_cipher_suites;
4308 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4309
4310 if (adapter->regd) {
4311 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4312 REGULATORY_DISABLE_BEACON_HINTS |
4313 REGULATORY_COUNTRY_IE_IGNORE;
4314 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4315 }
4316
4317 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4318 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4319 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4320 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4321 WIPHY_FLAG_AP_UAPSD |
4322 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4323 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4324 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4325
4326 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4327 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4328 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4329
4330 #ifdef CONFIG_PM
4331 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
4332 wiphy->wowlan = &mwifiex_wowlan_support;
4333 else
4334 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk;
4335 #endif
4336
4337 wiphy->coalesce = &mwifiex_coalesce_support;
4338
4339 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4340 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4341 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4342
4343 wiphy->max_sched_scan_reqs = 1;
4344 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4345 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4346 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4347
4348 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4349 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4350
4351 wiphy->features |= NL80211_FEATURE_HT_IBSS |
4352 NL80211_FEATURE_INACTIVITY_TIMER |
4353 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4354 NL80211_FEATURE_NEED_OBSS_SCAN;
4355
4356 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info))
4357 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4358 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4359 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4360
4361 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4362 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4363
4364 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4365 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4366
4367 /* Reserve space for mwifiex specific private data for BSS */
4368 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4369
4370 wiphy->reg_notifier = mwifiex_reg_notifier;
4371
4372 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4373 wdev_priv = wiphy_priv(wiphy);
4374 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4375
4376 set_wiphy_dev(wiphy, priv->adapter->dev);
4377
4378 ret = wiphy_register(wiphy);
4379 if (ret < 0) {
4380 mwifiex_dbg(adapter, ERROR,
4381 "%s: wiphy_register failed: %d\n", __func__, ret);
4382 wiphy_free(wiphy);
4383 return ret;
4384 }
4385
4386 if (!adapter->regd) {
4387 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4388 mwifiex_dbg(adapter, INFO,
4389 "driver hint alpha2: %2.2s\n", reg_alpha2);
4390 regulatory_hint(wiphy, reg_alpha2);
4391 } else {
4392 if (adapter->region_code == 0x00) {
4393 mwifiex_dbg(adapter, WARN,
4394 "Ignore world regulatory domain\n");
4395 } else {
4396 wiphy->regulatory_flags |=
4397 REGULATORY_DISABLE_BEACON_HINTS |
4398 REGULATORY_COUNTRY_IE_IGNORE;
4399 country_code =
4400 mwifiex_11d_code_2_region(
4401 adapter->region_code);
4402 if (country_code &&
4403 regulatory_hint(wiphy, country_code))
4404 mwifiex_dbg(priv->adapter, ERROR,
4405 "regulatory_hint() failed\n");
4406 }
4407 }
4408 }
4409
4410 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4411 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4412 wiphy->frag_threshold = thr;
4413 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4414 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4415 wiphy->rts_threshold = thr;
4416 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4417 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4418 wiphy->retry_short = (u8) retry;
4419 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4420 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4421 wiphy->retry_long = (u8) retry;
4422
4423 adapter->wiphy = wiphy;
4424 return ret;
4425 }
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