1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * NXP Wireless LAN device driver: CFG80211
4 *
5 * Copyright 2011-2020 NXP
6 */
7
8 #include "cfg80211.h"
9 #include "main.h"
10 #include "11n.h"
11 #include "wmm.h"
12
13 static char *reg_alpha2;
14 module_param(reg_alpha2, charp, 0);
15
16 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
17 {
18 .max = MWIFIEX_MAX_BSS_NUM,
19 .types = BIT(NL80211_IFTYPE_STATION) |
20 BIT(NL80211_IFTYPE_P2P_GO) |
21 BIT(NL80211_IFTYPE_P2P_CLIENT) |
22 BIT(NL80211_IFTYPE_AP),
23 },
24 };
25
26 static const struct ieee80211_iface_combination
27 mwifiex_iface_comb_ap_sta = {
28 .limits = mwifiex_ap_sta_limits,
29 .num_different_channels = 1,
30 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
31 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
32 .beacon_int_infra_match = true,
33 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
34 BIT(NL80211_CHAN_WIDTH_20) |
35 BIT(NL80211_CHAN_WIDTH_40),
36 };
37
38 static const struct ieee80211_iface_combination
39 mwifiex_iface_comb_ap_sta_vht = {
40 .limits = mwifiex_ap_sta_limits,
41 .num_different_channels = 1,
42 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
43 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
44 .beacon_int_infra_match = true,
45 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
46 BIT(NL80211_CHAN_WIDTH_20) |
47 BIT(NL80211_CHAN_WIDTH_40) |
48 BIT(NL80211_CHAN_WIDTH_80),
49 };
50
51 static const struct
52 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
53 .limits = mwifiex_ap_sta_limits,
54 .num_different_channels = 2,
55 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
56 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
57 .beacon_int_infra_match = true,
58 };
59
60 /*
61 * This function maps the nl802.11 channel type into driver channel type.
62 *
63 * The mapping is as follows -
64 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
65 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
66 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
67 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
68 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
69 */
mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)70 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
71 {
72 switch (chan_type) {
73 case NL80211_CHAN_NO_HT:
74 case NL80211_CHAN_HT20:
75 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
76 case NL80211_CHAN_HT40PLUS:
77 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
78 case NL80211_CHAN_HT40MINUS:
79 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
80 default:
81 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
82 }
83 }
84
85 /* This function maps IEEE HT secondary channel type to NL80211 channel type
86 */
mwifiex_get_chan_type(struct mwifiex_private * priv)87 u8 mwifiex_get_chan_type(struct mwifiex_private *priv)
88 {
89 struct mwifiex_channel_band channel_band;
90 int ret;
91
92 ret = mwifiex_get_chan_info(priv, &channel_band);
93
94 if (!ret) {
95 switch (channel_band.band_config.chan_width) {
96 case CHAN_BW_20MHZ:
97 if (IS_11N_ENABLED(priv))
98 return NL80211_CHAN_HT20;
99 else
100 return NL80211_CHAN_NO_HT;
101 case CHAN_BW_40MHZ:
102 if (channel_band.band_config.chan2_offset ==
103 SEC_CHAN_ABOVE)
104 return NL80211_CHAN_HT40PLUS;
105 else
106 return NL80211_CHAN_HT40MINUS;
107 default:
108 return NL80211_CHAN_HT20;
109 }
110 }
111
112 return NL80211_CHAN_HT20;
113 }
114
115 /*
116 * This function checks whether WEP is set.
117 */
118 static int
mwifiex_is_alg_wep(u32 cipher)119 mwifiex_is_alg_wep(u32 cipher)
120 {
121 switch (cipher) {
122 case WLAN_CIPHER_SUITE_WEP40:
123 case WLAN_CIPHER_SUITE_WEP104:
124 return 1;
125 default:
126 break;
127 }
128
129 return 0;
130 }
131
132 /*
133 * This function retrieves the private structure from kernel wiphy structure.
134 */
mwifiex_cfg80211_get_adapter(struct wiphy * wiphy)135 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
136 {
137 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
138 }
139
140 /*
141 * CFG802.11 operation handler to delete a network key.
142 */
143 static int
mwifiex_cfg80211_del_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr)144 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
145 int link_id, u8 key_index, bool pairwise,
146 const u8 *mac_addr)
147 {
148 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
149 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
150 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
151
152 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
153 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
154 return -EFAULT;
155 }
156
157 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
158 return 0;
159 }
160
161 /*
162 * This function forms an skb for management frame.
163 */
164 static int
mwifiex_form_mgmt_frame(struct sk_buff * skb,const u8 * buf,size_t len)165 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
166 {
167 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
168 u16 pkt_len;
169 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
170
171 pkt_len = len + ETH_ALEN;
172
173 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
174 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
175 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
176
177 memcpy(skb_push(skb, sizeof(tx_control)),
178 &tx_control, sizeof(tx_control));
179
180 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
181
182 /* Add packet data and address4 */
183 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr));
184 skb_put_data(skb, addr, ETH_ALEN);
185 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr),
186 len - sizeof(struct ieee80211_hdr_3addr));
187
188 skb->priority = LOW_PRIO_TID;
189 __net_timestamp(skb);
190
191 return 0;
192 }
193
194 /*
195 * CFG802.11 operation handler to transmit a management frame.
196 */
197 static int
mwifiex_cfg80211_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)198 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
199 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
200 {
201 const u8 *buf = params->buf;
202 size_t len = params->len;
203 struct sk_buff *skb;
204 u16 pkt_len;
205 const struct ieee80211_mgmt *mgmt;
206 struct mwifiex_txinfo *tx_info;
207 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
208
209 if (!buf || !len) {
210 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
211 return -EFAULT;
212 }
213
214 mgmt = (const struct ieee80211_mgmt *)buf;
215 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
216 ieee80211_is_probe_resp(mgmt->frame_control)) {
217 /* Since we support offload probe resp, we need to skip probe
218 * resp in AP or GO mode */
219 mwifiex_dbg(priv->adapter, INFO,
220 "info: skip to send probe resp in AP or GO mode\n");
221 return 0;
222 }
223
224 pkt_len = len + ETH_ALEN;
225 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
226 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
227 pkt_len + sizeof(pkt_len));
228
229 if (!skb) {
230 mwifiex_dbg(priv->adapter, ERROR,
231 "allocate skb failed for management frame\n");
232 return -ENOMEM;
233 }
234
235 tx_info = MWIFIEX_SKB_TXCB(skb);
236 memset(tx_info, 0, sizeof(*tx_info));
237 tx_info->bss_num = priv->bss_num;
238 tx_info->bss_type = priv->bss_type;
239 tx_info->pkt_len = pkt_len;
240
241 mwifiex_form_mgmt_frame(skb, buf, len);
242 *cookie = get_random_u32() | 1;
243
244 if (ieee80211_is_action(mgmt->frame_control))
245 skb = mwifiex_clone_skb_for_tx_status(priv,
246 skb,
247 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
248 else
249 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
250 GFP_ATOMIC);
251
252 mwifiex_queue_tx_pkt(priv, skb);
253
254 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
255 return 0;
256 }
257
258 /*
259 * CFG802.11 operation handler to register a mgmt frame.
260 */
261 static void
mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy * wiphy,struct wireless_dev * wdev,struct mgmt_frame_regs * upd)262 mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
263 struct wireless_dev *wdev,
264 struct mgmt_frame_regs *upd)
265 {
266 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
267 u32 mask = upd->interface_stypes;
268
269 if (mask != priv->mgmt_frame_mask) {
270 priv->mgmt_frame_mask = mask;
271 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
272 HostCmd_ACT_GEN_SET, 0,
273 &priv->mgmt_frame_mask, false);
274 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
275 }
276 }
277
278 /*
279 * CFG802.11 operation handler to remain on channel.
280 */
281 static int
mwifiex_cfg80211_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,struct ieee80211_channel * chan,unsigned int duration,u64 * cookie)282 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
283 struct wireless_dev *wdev,
284 struct ieee80211_channel *chan,
285 unsigned int duration, u64 *cookie)
286 {
287 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
288 int ret;
289
290 if (!chan || !cookie) {
291 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
292 return -EINVAL;
293 }
294
295 if (priv->roc_cfg.cookie) {
296 mwifiex_dbg(priv->adapter, INFO,
297 "info: ongoing ROC, cookie = 0x%llx\n",
298 priv->roc_cfg.cookie);
299 return -EBUSY;
300 }
301
302 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
303 duration);
304
305 if (!ret) {
306 *cookie = get_random_u32() | 1;
307 priv->roc_cfg.cookie = *cookie;
308 priv->roc_cfg.chan = *chan;
309
310 cfg80211_ready_on_channel(wdev, *cookie, chan,
311 duration, GFP_ATOMIC);
312
313 mwifiex_dbg(priv->adapter, INFO,
314 "info: ROC, cookie = 0x%llx\n", *cookie);
315 }
316
317 return ret;
318 }
319
320 /*
321 * CFG802.11 operation handler to cancel remain on channel.
322 */
323 static int
mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)324 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
325 struct wireless_dev *wdev, u64 cookie)
326 {
327 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
328 int ret;
329
330 if (cookie != priv->roc_cfg.cookie)
331 return -ENOENT;
332
333 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
334 &priv->roc_cfg.chan, 0);
335
336 if (!ret) {
337 cfg80211_remain_on_channel_expired(wdev, cookie,
338 &priv->roc_cfg.chan,
339 GFP_ATOMIC);
340
341 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
342
343 mwifiex_dbg(priv->adapter, INFO,
344 "info: cancel ROC, cookie = 0x%llx\n", cookie);
345 }
346
347 return ret;
348 }
349
350 /*
351 * CFG802.11 operation handler to set Tx power.
352 */
353 static int
mwifiex_cfg80211_set_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,enum nl80211_tx_power_setting type,int mbm)354 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
355 struct wireless_dev *wdev,
356 enum nl80211_tx_power_setting type,
357 int mbm)
358 {
359 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
360 struct mwifiex_private *priv;
361 struct mwifiex_power_cfg power_cfg;
362 int dbm = MBM_TO_DBM(mbm);
363
364 switch (type) {
365 case NL80211_TX_POWER_FIXED:
366 power_cfg.is_power_auto = 0;
367 power_cfg.is_power_fixed = 1;
368 power_cfg.power_level = dbm;
369 break;
370 case NL80211_TX_POWER_LIMITED:
371 power_cfg.is_power_auto = 0;
372 power_cfg.is_power_fixed = 0;
373 power_cfg.power_level = dbm;
374 break;
375 case NL80211_TX_POWER_AUTOMATIC:
376 power_cfg.is_power_auto = 1;
377 break;
378 }
379
380 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
381
382 return mwifiex_set_tx_power(priv, &power_cfg);
383 }
384
385 /*
386 * CFG802.11 operation handler to get Tx power.
387 */
388 static int
mwifiex_cfg80211_get_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int * dbm)389 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
390 struct wireless_dev *wdev,
391 int *dbm)
392 {
393 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
394 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
395 MWIFIEX_BSS_ROLE_ANY);
396 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
397 HostCmd_ACT_GEN_GET, 0, NULL, true);
398
399 if (ret < 0)
400 return ret;
401
402 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
403 *dbm = priv->tx_power_level;
404
405 return 0;
406 }
407
408 /*
409 * CFG802.11 operation handler to set Power Save option.
410 *
411 * The timeout value, if provided, is currently ignored.
412 */
413 static int
mwifiex_cfg80211_set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)414 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
415 struct net_device *dev,
416 bool enabled, int timeout)
417 {
418 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
419 u32 ps_mode;
420
421 if (timeout)
422 mwifiex_dbg(priv->adapter, INFO,
423 "info: ignore timeout value for IEEE Power Save\n");
424
425 ps_mode = enabled;
426
427 return mwifiex_drv_set_power(priv, &ps_mode);
428 }
429
430 /*
431 * CFG802.11 operation handler to set the default network key.
432 */
433 static int
mwifiex_cfg80211_set_default_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool unicast,bool multicast)434 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
435 int link_id, u8 key_index, bool unicast,
436 bool multicast)
437 {
438 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
439
440 /* Return if WEP key not configured */
441 if (!priv->sec_info.wep_enabled)
442 return 0;
443
444 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
445 priv->wep_key_curr_index = key_index;
446 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
447 NULL, 0)) {
448 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
449 return -EFAULT;
450 }
451
452 return 0;
453 }
454
455 /*
456 * CFG802.11 operation handler to add a network key.
457 */
458 static int
mwifiex_cfg80211_add_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)459 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
460 int link_id, u8 key_index, bool pairwise,
461 const u8 *mac_addr, struct key_params *params)
462 {
463 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
464 struct mwifiex_wep_key *wep_key;
465 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
466 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
467
468 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
469 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
470 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
471 if (params->key && params->key_len) {
472 wep_key = &priv->wep_key[key_index];
473 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
474 memcpy(wep_key->key_material, params->key,
475 params->key_len);
476 wep_key->key_index = key_index;
477 wep_key->key_length = params->key_len;
478 priv->sec_info.wep_enabled = 1;
479 }
480 return 0;
481 }
482
483 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
484 key_index, peer_mac, 0)) {
485 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
486 return -EFAULT;
487 }
488
489 return 0;
490 }
491
492 /*
493 * CFG802.11 operation handler to set default mgmt key.
494 */
495 static int
mwifiex_cfg80211_set_default_mgmt_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index)496 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
497 struct net_device *netdev,
498 int link_id,
499 u8 key_index)
500 {
501 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
502 struct mwifiex_ds_encrypt_key encrypt_key;
503
504 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);
505
506 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
507 encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
508 encrypt_key.key_index = key_index;
509 encrypt_key.is_igtk_def_key = true;
510 eth_broadcast_addr(encrypt_key.mac_addr);
511
512 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
513 HostCmd_ACT_GEN_SET, true, &encrypt_key, true)) {
514 mwifiex_dbg(priv->adapter, ERROR,
515 "Sending KEY_MATERIAL command failed\n");
516 return -1;
517 }
518
519 return 0;
520 }
521
522 /*
523 * This function sends domain information to the firmware.
524 *
525 * The following information are passed to the firmware -
526 * - Country codes
527 * - Sub bands (first channel, number of channels, maximum Tx power)
528 */
mwifiex_send_domain_info_cmd_fw(struct wiphy * wiphy)529 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
530 {
531 u8 no_of_triplet = 0;
532 struct ieee80211_country_ie_triplet *t;
533 u8 no_of_parsed_chan = 0;
534 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
535 u8 i, flag = 0;
536 enum nl80211_band band;
537 struct ieee80211_supported_band *sband;
538 struct ieee80211_channel *ch;
539 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
540 struct mwifiex_private *priv;
541 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
542
543 /* Set country code */
544 domain_info->country_code[0] = adapter->country_code[0];
545 domain_info->country_code[1] = adapter->country_code[1];
546 domain_info->country_code[2] = ' ';
547
548 band = mwifiex_band_to_radio_type(adapter->config_bands);
549 if (!wiphy->bands[band]) {
550 mwifiex_dbg(adapter, ERROR,
551 "11D: setting domain info in FW\n");
552 return -1;
553 }
554
555 sband = wiphy->bands[band];
556
557 for (i = 0; i < sband->n_channels ; i++) {
558 ch = &sband->channels[i];
559 if (ch->flags & IEEE80211_CHAN_DISABLED)
560 continue;
561
562 if (!flag) {
563 flag = 1;
564 first_chan = (u32) ch->hw_value;
565 next_chan = first_chan;
566 max_pwr = ch->max_power;
567 no_of_parsed_chan = 1;
568 continue;
569 }
570
571 if (ch->hw_value == next_chan + 1 &&
572 ch->max_power == max_pwr) {
573 next_chan++;
574 no_of_parsed_chan++;
575 } else {
576 t = &domain_info->triplet[no_of_triplet];
577 t->chans.first_channel = first_chan;
578 t->chans.num_channels = no_of_parsed_chan;
579 t->chans.max_power = max_pwr;
580 no_of_triplet++;
581 first_chan = (u32) ch->hw_value;
582 next_chan = first_chan;
583 max_pwr = ch->max_power;
584 no_of_parsed_chan = 1;
585 }
586 }
587
588 if (flag) {
589 t = &domain_info->triplet[no_of_triplet];
590 t->chans.first_channel = first_chan;
591 t->chans.num_channels = no_of_parsed_chan;
592 t->chans.max_power = max_pwr;
593 no_of_triplet++;
594 }
595
596 domain_info->no_of_triplet = no_of_triplet;
597
598 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
599
600 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
601 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
602 mwifiex_dbg(adapter, INFO,
603 "11D: setting domain info in FW\n");
604 return -1;
605 }
606
607 return 0;
608 }
609
mwifiex_reg_apply_radar_flags(struct wiphy * wiphy)610 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
611 {
612 struct ieee80211_supported_band *sband;
613 struct ieee80211_channel *chan;
614 unsigned int i;
615
616 if (!wiphy->bands[NL80211_BAND_5GHZ])
617 return;
618 sband = wiphy->bands[NL80211_BAND_5GHZ];
619
620 for (i = 0; i < sband->n_channels; i++) {
621 chan = &sband->channels[i];
622 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
623 (chan->flags & IEEE80211_CHAN_RADAR))
624 chan->flags |= IEEE80211_CHAN_NO_IR;
625 }
626 }
627
628 /*
629 * CFG802.11 regulatory domain callback function.
630 *
631 * This function is called when the regulatory domain is changed due to the
632 * following reasons -
633 * - Set by driver
634 * - Set by system core
635 * - Set by user
636 * - Set bt Country IE
637 */
mwifiex_reg_notifier(struct wiphy * wiphy,struct regulatory_request * request)638 static void mwifiex_reg_notifier(struct wiphy *wiphy,
639 struct regulatory_request *request)
640 {
641 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
642 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
643 MWIFIEX_BSS_ROLE_ANY);
644 mwifiex_dbg(adapter, INFO,
645 "info: cfg80211 regulatory domain callback for %c%c\n",
646 request->alpha2[0], request->alpha2[1]);
647 mwifiex_reg_apply_radar_flags(wiphy);
648
649 switch (request->initiator) {
650 case NL80211_REGDOM_SET_BY_DRIVER:
651 case NL80211_REGDOM_SET_BY_CORE:
652 case NL80211_REGDOM_SET_BY_USER:
653 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
654 break;
655 default:
656 mwifiex_dbg(adapter, ERROR,
657 "unknown regdom initiator: %d\n",
658 request->initiator);
659 return;
660 }
661
662 /* Don't send world or same regdom info to firmware */
663 if (strncmp(request->alpha2, "00", 2) &&
664 strncmp(request->alpha2, adapter->country_code,
665 sizeof(request->alpha2))) {
666 memcpy(adapter->country_code, request->alpha2,
667 sizeof(request->alpha2));
668 mwifiex_send_domain_info_cmd_fw(wiphy);
669 mwifiex_dnld_txpwr_table(priv);
670 }
671 }
672
673 /*
674 * This function sets the fragmentation threshold.
675 *
676 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
677 * and MWIFIEX_FRAG_MAX_VALUE.
678 */
679 static int
mwifiex_set_frag(struct mwifiex_private * priv,u32 frag_thr)680 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
681 {
682 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
683 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
684 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
685
686 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
687 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
688 &frag_thr, true);
689 }
690
691 /*
692 * This function sets the RTS threshold.
693
694 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
695 * and MWIFIEX_RTS_MAX_VALUE.
696 */
697 static int
mwifiex_set_rts(struct mwifiex_private * priv,u32 rts_thr)698 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
699 {
700 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
701 rts_thr = MWIFIEX_RTS_MAX_VALUE;
702
703 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
704 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
705 &rts_thr, true);
706 }
707
708 /*
709 * CFG802.11 operation handler to set wiphy parameters.
710 *
711 * This function can be used to set the RTS threshold and the
712 * Fragmentation threshold of the driver.
713 */
714 static int
mwifiex_cfg80211_set_wiphy_params(struct wiphy * wiphy,u32 changed)715 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
716 {
717 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
718 struct mwifiex_private *priv;
719 struct mwifiex_uap_bss_param *bss_cfg;
720 int ret;
721
722 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
723
724 switch (priv->bss_role) {
725 case MWIFIEX_BSS_ROLE_UAP:
726 if (priv->bss_started) {
727 mwifiex_dbg(adapter, ERROR,
728 "cannot change wiphy params when bss started");
729 return -EINVAL;
730 }
731
732 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
733 if (!bss_cfg)
734 return -ENOMEM;
735
736 mwifiex_set_sys_config_invalid_data(bss_cfg);
737
738 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
739 bss_cfg->rts_threshold = wiphy->rts_threshold;
740 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
741 bss_cfg->frag_threshold = wiphy->frag_threshold;
742 if (changed & WIPHY_PARAM_RETRY_LONG)
743 bss_cfg->retry_limit = wiphy->retry_long;
744
745 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
746 HostCmd_ACT_GEN_SET,
747 UAP_BSS_PARAMS_I, bss_cfg,
748 false);
749
750 kfree(bss_cfg);
751 if (ret) {
752 mwifiex_dbg(adapter, ERROR,
753 "Failed to set wiphy phy params\n");
754 return ret;
755 }
756 break;
757
758 case MWIFIEX_BSS_ROLE_STA:
759 if (priv->media_connected) {
760 mwifiex_dbg(adapter, ERROR,
761 "cannot change wiphy params when connected");
762 return -EINVAL;
763 }
764 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
765 ret = mwifiex_set_rts(priv,
766 wiphy->rts_threshold);
767 if (ret)
768 return ret;
769 }
770 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
771 ret = mwifiex_set_frag(priv,
772 wiphy->frag_threshold);
773 if (ret)
774 return ret;
775 }
776 break;
777 }
778
779 return 0;
780 }
781
782 static int
mwifiex_cfg80211_deinit_p2p(struct mwifiex_private * priv)783 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
784 {
785 u16 mode = P2P_MODE_DISABLE;
786
787 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
788 HostCmd_ACT_GEN_SET, 0, &mode, true))
789 return -1;
790
791 return 0;
792 }
793
794 /*
795 * This function initializes the functionalities for P2P client.
796 * The P2P client initialization sequence is:
797 * disable -> device -> client
798 */
799 static int
mwifiex_cfg80211_init_p2p_client(struct mwifiex_private * priv)800 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
801 {
802 u16 mode;
803
804 if (mwifiex_cfg80211_deinit_p2p(priv))
805 return -1;
806
807 mode = P2P_MODE_DEVICE;
808 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
809 HostCmd_ACT_GEN_SET, 0, &mode, true))
810 return -1;
811
812 mode = P2P_MODE_CLIENT;
813 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
814 HostCmd_ACT_GEN_SET, 0, &mode, true))
815 return -1;
816
817 return 0;
818 }
819
820 /*
821 * This function initializes the functionalities for P2P GO.
822 * The P2P GO initialization sequence is:
823 * disable -> device -> GO
824 */
825 static int
mwifiex_cfg80211_init_p2p_go(struct mwifiex_private * priv)826 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
827 {
828 u16 mode;
829
830 if (mwifiex_cfg80211_deinit_p2p(priv))
831 return -1;
832
833 mode = P2P_MODE_DEVICE;
834 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
835 HostCmd_ACT_GEN_SET, 0, &mode, true))
836 return -1;
837
838 mode = P2P_MODE_GO;
839 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
840 HostCmd_ACT_GEN_SET, 0, &mode, true))
841 return -1;
842
843 return 0;
844 }
845
mwifiex_deinit_priv_params(struct mwifiex_private * priv)846 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
847 {
848 struct mwifiex_adapter *adapter = priv->adapter;
849 unsigned long flags;
850
851 priv->mgmt_frame_mask = 0;
852 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
853 HostCmd_ACT_GEN_SET, 0,
854 &priv->mgmt_frame_mask, false)) {
855 mwifiex_dbg(adapter, ERROR,
856 "could not unregister mgmt frame rx\n");
857 return -1;
858 }
859
860 mwifiex_deauthenticate(priv, NULL);
861
862 spin_lock_irqsave(&adapter->main_proc_lock, flags);
863 adapter->main_locked = true;
864 if (adapter->mwifiex_processing) {
865 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
866 flush_workqueue(adapter->workqueue);
867 } else {
868 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
869 }
870
871 spin_lock_bh(&adapter->rx_proc_lock);
872 adapter->rx_locked = true;
873 if (adapter->rx_processing) {
874 spin_unlock_bh(&adapter->rx_proc_lock);
875 flush_workqueue(adapter->rx_workqueue);
876 } else {
877 spin_unlock_bh(&adapter->rx_proc_lock);
878 }
879
880 mwifiex_free_priv(priv);
881 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
882 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
883 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
884
885 return 0;
886 }
887
888 static int
mwifiex_init_new_priv_params(struct mwifiex_private * priv,struct net_device * dev,enum nl80211_iftype type)889 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
890 struct net_device *dev,
891 enum nl80211_iftype type)
892 {
893 struct mwifiex_adapter *adapter = priv->adapter;
894 unsigned long flags;
895
896 mwifiex_init_priv(priv);
897
898 priv->bss_mode = type;
899 priv->wdev.iftype = type;
900
901 mwifiex_init_priv_params(priv, priv->netdev);
902 priv->bss_started = 0;
903
904 switch (type) {
905 case NL80211_IFTYPE_STATION:
906 case NL80211_IFTYPE_ADHOC:
907 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
908 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
909 break;
910 case NL80211_IFTYPE_P2P_CLIENT:
911 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
912 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
913 break;
914 case NL80211_IFTYPE_P2P_GO:
915 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
916 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
917 break;
918 case NL80211_IFTYPE_AP:
919 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
920 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
921 break;
922 default:
923 mwifiex_dbg(adapter, ERROR,
924 "%s: changing to %d not supported\n",
925 dev->name, type);
926 return -EOPNOTSUPP;
927 }
928
929 spin_lock_irqsave(&adapter->main_proc_lock, flags);
930 adapter->main_locked = false;
931 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
932
933 spin_lock_bh(&adapter->rx_proc_lock);
934 adapter->rx_locked = false;
935 spin_unlock_bh(&adapter->rx_proc_lock);
936
937 mwifiex_set_mac_address(priv, dev, false, NULL);
938
939 return 0;
940 }
941
942 static bool
is_vif_type_change_allowed(struct mwifiex_adapter * adapter,enum nl80211_iftype old_iftype,enum nl80211_iftype new_iftype)943 is_vif_type_change_allowed(struct mwifiex_adapter *adapter,
944 enum nl80211_iftype old_iftype,
945 enum nl80211_iftype new_iftype)
946 {
947 switch (old_iftype) {
948 case NL80211_IFTYPE_ADHOC:
949 switch (new_iftype) {
950 case NL80211_IFTYPE_STATION:
951 return true;
952 case NL80211_IFTYPE_P2P_CLIENT:
953 case NL80211_IFTYPE_P2P_GO:
954 return adapter->curr_iface_comb.p2p_intf !=
955 adapter->iface_limit.p2p_intf;
956 case NL80211_IFTYPE_AP:
957 return adapter->curr_iface_comb.uap_intf !=
958 adapter->iface_limit.uap_intf;
959 default:
960 return false;
961 }
962
963 case NL80211_IFTYPE_STATION:
964 switch (new_iftype) {
965 case NL80211_IFTYPE_ADHOC:
966 return true;
967 case NL80211_IFTYPE_P2P_CLIENT:
968 case NL80211_IFTYPE_P2P_GO:
969 return adapter->curr_iface_comb.p2p_intf !=
970 adapter->iface_limit.p2p_intf;
971 case NL80211_IFTYPE_AP:
972 return adapter->curr_iface_comb.uap_intf !=
973 adapter->iface_limit.uap_intf;
974 default:
975 return false;
976 }
977
978 case NL80211_IFTYPE_AP:
979 switch (new_iftype) {
980 case NL80211_IFTYPE_ADHOC:
981 case NL80211_IFTYPE_STATION:
982 return adapter->curr_iface_comb.sta_intf !=
983 adapter->iface_limit.sta_intf;
984 case NL80211_IFTYPE_P2P_CLIENT:
985 case NL80211_IFTYPE_P2P_GO:
986 return adapter->curr_iface_comb.p2p_intf !=
987 adapter->iface_limit.p2p_intf;
988 default:
989 return false;
990 }
991
992 case NL80211_IFTYPE_P2P_CLIENT:
993 switch (new_iftype) {
994 case NL80211_IFTYPE_ADHOC:
995 case NL80211_IFTYPE_STATION:
996 return true;
997 case NL80211_IFTYPE_P2P_GO:
998 return true;
999 case NL80211_IFTYPE_AP:
1000 return adapter->curr_iface_comb.uap_intf !=
1001 adapter->iface_limit.uap_intf;
1002 default:
1003 return false;
1004 }
1005
1006 case NL80211_IFTYPE_P2P_GO:
1007 switch (new_iftype) {
1008 case NL80211_IFTYPE_ADHOC:
1009 case NL80211_IFTYPE_STATION:
1010 return true;
1011 case NL80211_IFTYPE_P2P_CLIENT:
1012 return true;
1013 case NL80211_IFTYPE_AP:
1014 return adapter->curr_iface_comb.uap_intf !=
1015 adapter->iface_limit.uap_intf;
1016 default:
1017 return false;
1018 }
1019
1020 default:
1021 break;
1022 }
1023
1024 return false;
1025 }
1026
1027 static void
update_vif_type_counter(struct mwifiex_adapter * adapter,enum nl80211_iftype iftype,int change)1028 update_vif_type_counter(struct mwifiex_adapter *adapter,
1029 enum nl80211_iftype iftype,
1030 int change)
1031 {
1032 switch (iftype) {
1033 case NL80211_IFTYPE_UNSPECIFIED:
1034 case NL80211_IFTYPE_ADHOC:
1035 case NL80211_IFTYPE_STATION:
1036 adapter->curr_iface_comb.sta_intf += change;
1037 break;
1038 case NL80211_IFTYPE_AP:
1039 adapter->curr_iface_comb.uap_intf += change;
1040 break;
1041 case NL80211_IFTYPE_P2P_CLIENT:
1042 case NL80211_IFTYPE_P2P_GO:
1043 adapter->curr_iface_comb.p2p_intf += change;
1044 break;
1045 default:
1046 mwifiex_dbg(adapter, ERROR,
1047 "%s: Unsupported iftype passed: %d\n",
1048 __func__, iftype);
1049 break;
1050 }
1051 }
1052
1053 static int
mwifiex_change_vif_to_p2p(struct net_device * dev,enum nl80211_iftype curr_iftype,enum nl80211_iftype type,struct vif_params * params)1054 mwifiex_change_vif_to_p2p(struct net_device *dev,
1055 enum nl80211_iftype curr_iftype,
1056 enum nl80211_iftype type,
1057 struct vif_params *params)
1058 {
1059 struct mwifiex_private *priv;
1060 struct mwifiex_adapter *adapter;
1061
1062 priv = mwifiex_netdev_get_priv(dev);
1063
1064 if (!priv)
1065 return -1;
1066
1067 adapter = priv->adapter;
1068
1069 mwifiex_dbg(adapter, INFO,
1070 "%s: changing role to p2p\n", dev->name);
1071
1072 if (mwifiex_deinit_priv_params(priv))
1073 return -1;
1074 if (mwifiex_init_new_priv_params(priv, dev, type))
1075 return -1;
1076
1077 update_vif_type_counter(adapter, curr_iftype, -1);
1078 update_vif_type_counter(adapter, type, +1);
1079 dev->ieee80211_ptr->iftype = type;
1080
1081 switch (type) {
1082 case NL80211_IFTYPE_P2P_CLIENT:
1083 if (mwifiex_cfg80211_init_p2p_client(priv))
1084 return -EFAULT;
1085 break;
1086 case NL80211_IFTYPE_P2P_GO:
1087 if (mwifiex_cfg80211_init_p2p_go(priv))
1088 return -EFAULT;
1089 break;
1090 default:
1091 mwifiex_dbg(adapter, ERROR,
1092 "%s: changing to %d not supported\n",
1093 dev->name, type);
1094 return -EOPNOTSUPP;
1095 }
1096
1097 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1098 HostCmd_ACT_GEN_SET, 0, NULL, true))
1099 return -1;
1100
1101 if (mwifiex_sta_init_cmd(priv, false, false))
1102 return -1;
1103
1104 return 0;
1105 }
1106
1107 static int
mwifiex_change_vif_to_sta_adhoc(struct net_device * dev,enum nl80211_iftype curr_iftype,enum nl80211_iftype type,struct vif_params * params)1108 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
1109 enum nl80211_iftype curr_iftype,
1110 enum nl80211_iftype type,
1111 struct vif_params *params)
1112 {
1113 struct mwifiex_private *priv;
1114 struct mwifiex_adapter *adapter;
1115
1116 priv = mwifiex_netdev_get_priv(dev);
1117
1118 if (!priv)
1119 return -1;
1120
1121 adapter = priv->adapter;
1122
1123 if (type == NL80211_IFTYPE_STATION)
1124 mwifiex_dbg(adapter, INFO,
1125 "%s: changing role to station\n", dev->name);
1126 else
1127 mwifiex_dbg(adapter, INFO,
1128 "%s: changing role to adhoc\n", dev->name);
1129
1130 if (mwifiex_deinit_priv_params(priv))
1131 return -1;
1132 if (mwifiex_init_new_priv_params(priv, dev, type))
1133 return -1;
1134
1135 update_vif_type_counter(adapter, curr_iftype, -1);
1136 update_vif_type_counter(adapter, type, +1);
1137 dev->ieee80211_ptr->iftype = type;
1138
1139 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1140 HostCmd_ACT_GEN_SET, 0, NULL, true))
1141 return -1;
1142 if (mwifiex_sta_init_cmd(priv, false, false))
1143 return -1;
1144
1145 return 0;
1146 }
1147
1148 static int
mwifiex_change_vif_to_ap(struct net_device * dev,enum nl80211_iftype curr_iftype,enum nl80211_iftype type,struct vif_params * params)1149 mwifiex_change_vif_to_ap(struct net_device *dev,
1150 enum nl80211_iftype curr_iftype,
1151 enum nl80211_iftype type,
1152 struct vif_params *params)
1153 {
1154 struct mwifiex_private *priv;
1155 struct mwifiex_adapter *adapter;
1156
1157 priv = mwifiex_netdev_get_priv(dev);
1158
1159 if (!priv)
1160 return -1;
1161
1162 adapter = priv->adapter;
1163
1164 mwifiex_dbg(adapter, INFO,
1165 "%s: changing role to AP\n", dev->name);
1166
1167 if (mwifiex_deinit_priv_params(priv))
1168 return -1;
1169 if (mwifiex_init_new_priv_params(priv, dev, type))
1170 return -1;
1171
1172 update_vif_type_counter(adapter, curr_iftype, -1);
1173 update_vif_type_counter(adapter, type, +1);
1174 dev->ieee80211_ptr->iftype = type;
1175
1176 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1177 HostCmd_ACT_GEN_SET, 0, NULL, true))
1178 return -1;
1179 if (mwifiex_sta_init_cmd(priv, false, false))
1180 return -1;
1181
1182 return 0;
1183 }
1184 /*
1185 * CFG802.11 operation handler to change interface type.
1186 */
1187 static int
mwifiex_cfg80211_change_virtual_intf(struct wiphy * wiphy,struct net_device * dev,enum nl80211_iftype type,struct vif_params * params)1188 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1189 struct net_device *dev,
1190 enum nl80211_iftype type,
1191 struct vif_params *params)
1192 {
1193 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1194 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1195
1196 if (priv->scan_request) {
1197 mwifiex_dbg(priv->adapter, ERROR,
1198 "change virtual interface: scan in process\n");
1199 return -EBUSY;
1200 }
1201
1202 if (type == NL80211_IFTYPE_UNSPECIFIED) {
1203 mwifiex_dbg(priv->adapter, INFO,
1204 "%s: no new type specified, keeping old type %d\n",
1205 dev->name, curr_iftype);
1206 return 0;
1207 }
1208
1209 if (curr_iftype == type) {
1210 mwifiex_dbg(priv->adapter, INFO,
1211 "%s: interface already is of type %d\n",
1212 dev->name, curr_iftype);
1213 return 0;
1214 }
1215
1216 if (!is_vif_type_change_allowed(priv->adapter, curr_iftype, type)) {
1217 mwifiex_dbg(priv->adapter, ERROR,
1218 "%s: change from type %d to %d is not allowed\n",
1219 dev->name, curr_iftype, type);
1220 return -EOPNOTSUPP;
1221 }
1222
1223 switch (curr_iftype) {
1224 case NL80211_IFTYPE_ADHOC:
1225 switch (type) {
1226 case NL80211_IFTYPE_STATION:
1227 priv->bss_mode = type;
1228 priv->sec_info.authentication_mode =
1229 NL80211_AUTHTYPE_OPEN_SYSTEM;
1230 dev->ieee80211_ptr->iftype = type;
1231 mwifiex_deauthenticate(priv, NULL);
1232 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1233 HostCmd_ACT_GEN_SET, 0, NULL,
1234 true);
1235 case NL80211_IFTYPE_P2P_CLIENT:
1236 case NL80211_IFTYPE_P2P_GO:
1237 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1238 type, params);
1239 case NL80211_IFTYPE_AP:
1240 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1241 params);
1242 default:
1243 goto errnotsupp;
1244 }
1245
1246 case NL80211_IFTYPE_STATION:
1247 switch (type) {
1248 case NL80211_IFTYPE_ADHOC:
1249 priv->bss_mode = type;
1250 priv->sec_info.authentication_mode =
1251 NL80211_AUTHTYPE_OPEN_SYSTEM;
1252 dev->ieee80211_ptr->iftype = type;
1253 mwifiex_deauthenticate(priv, NULL);
1254 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1255 HostCmd_ACT_GEN_SET, 0, NULL,
1256 true);
1257 case NL80211_IFTYPE_P2P_CLIENT:
1258 case NL80211_IFTYPE_P2P_GO:
1259 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1260 type, params);
1261 case NL80211_IFTYPE_AP:
1262 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1263 params);
1264 default:
1265 goto errnotsupp;
1266 }
1267
1268 case NL80211_IFTYPE_AP:
1269 switch (type) {
1270 case NL80211_IFTYPE_ADHOC:
1271 case NL80211_IFTYPE_STATION:
1272 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1273 type, params);
1274 break;
1275 case NL80211_IFTYPE_P2P_CLIENT:
1276 case NL80211_IFTYPE_P2P_GO:
1277 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1278 type, params);
1279 default:
1280 goto errnotsupp;
1281 }
1282
1283 case NL80211_IFTYPE_P2P_CLIENT:
1284 if (mwifiex_cfg80211_deinit_p2p(priv))
1285 return -EFAULT;
1286
1287 switch (type) {
1288 case NL80211_IFTYPE_ADHOC:
1289 case NL80211_IFTYPE_STATION:
1290 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1291 type, params);
1292 case NL80211_IFTYPE_P2P_GO:
1293 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1294 type, params);
1295 case NL80211_IFTYPE_AP:
1296 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1297 params);
1298 default:
1299 goto errnotsupp;
1300 }
1301
1302 case NL80211_IFTYPE_P2P_GO:
1303 if (mwifiex_cfg80211_deinit_p2p(priv))
1304 return -EFAULT;
1305
1306 switch (type) {
1307 case NL80211_IFTYPE_ADHOC:
1308 case NL80211_IFTYPE_STATION:
1309 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1310 type, params);
1311 case NL80211_IFTYPE_P2P_CLIENT:
1312 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1313 type, params);
1314 case NL80211_IFTYPE_AP:
1315 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1316 params);
1317 default:
1318 goto errnotsupp;
1319 }
1320
1321 default:
1322 goto errnotsupp;
1323 }
1324
1325
1326 return 0;
1327
1328 errnotsupp:
1329 mwifiex_dbg(priv->adapter, ERROR,
1330 "unsupported interface type transition: %d to %d\n",
1331 curr_iftype, type);
1332 return -EOPNOTSUPP;
1333 }
1334
1335 static void
mwifiex_parse_htinfo(struct mwifiex_private * priv,u8 rateinfo,u8 htinfo,struct rate_info * rate)1336 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo,
1337 struct rate_info *rate)
1338 {
1339 struct mwifiex_adapter *adapter = priv->adapter;
1340
1341 if (adapter->is_hw_11ac_capable) {
1342 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1343 if (htinfo & BIT(0)) {
1344 /* HT */
1345 rate->mcs = rateinfo;
1346 rate->flags |= RATE_INFO_FLAGS_MCS;
1347 }
1348 if (htinfo & BIT(1)) {
1349 /* VHT */
1350 rate->mcs = rateinfo & 0x0F;
1351 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1352 }
1353
1354 if (htinfo & (BIT(1) | BIT(0))) {
1355 /* HT or VHT */
1356 switch (htinfo & (BIT(3) | BIT(2))) {
1357 case 0:
1358 rate->bw = RATE_INFO_BW_20;
1359 break;
1360 case (BIT(2)):
1361 rate->bw = RATE_INFO_BW_40;
1362 break;
1363 case (BIT(3)):
1364 rate->bw = RATE_INFO_BW_80;
1365 break;
1366 case (BIT(3) | BIT(2)):
1367 rate->bw = RATE_INFO_BW_160;
1368 break;
1369 }
1370
1371 if (htinfo & BIT(4))
1372 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1373
1374 if ((rateinfo >> 4) == 1)
1375 rate->nss = 2;
1376 else
1377 rate->nss = 1;
1378 }
1379 } else {
1380 /*
1381 * Bit 0 in htinfo indicates that current rate is 11n. Valid
1382 * MCS index values for us are 0 to 15.
1383 */
1384 if ((htinfo & BIT(0)) && (rateinfo < 16)) {
1385 rate->mcs = rateinfo;
1386 rate->flags |= RATE_INFO_FLAGS_MCS;
1387 rate->bw = RATE_INFO_BW_20;
1388 if (htinfo & BIT(1))
1389 rate->bw = RATE_INFO_BW_40;
1390 if (htinfo & BIT(2))
1391 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1392 }
1393 }
1394
1395 /* Decode legacy rates for non-HT. */
1396 if (!(htinfo & (BIT(0) | BIT(1)))) {
1397 /* Bitrates in multiples of 100kb/s. */
1398 static const int legacy_rates[] = {
1399 [0] = 10,
1400 [1] = 20,
1401 [2] = 55,
1402 [3] = 110,
1403 [4] = 60, /* MWIFIEX_RATE_INDEX_OFDM0 */
1404 [5] = 60,
1405 [6] = 90,
1406 [7] = 120,
1407 [8] = 180,
1408 [9] = 240,
1409 [10] = 360,
1410 [11] = 480,
1411 [12] = 540,
1412 };
1413 if (rateinfo < ARRAY_SIZE(legacy_rates))
1414 rate->legacy = legacy_rates[rateinfo];
1415 }
1416 }
1417
1418 /*
1419 * This function dumps the station information on a buffer.
1420 *
1421 * The following information are shown -
1422 * - Total bytes transmitted
1423 * - Total bytes received
1424 * - Total packets transmitted
1425 * - Total packets received
1426 * - Signal quality level
1427 * - Transmission rate
1428 */
1429 static int
mwifiex_dump_station_info(struct mwifiex_private * priv,struct mwifiex_sta_node * node,struct station_info * sinfo)1430 mwifiex_dump_station_info(struct mwifiex_private *priv,
1431 struct mwifiex_sta_node *node,
1432 struct station_info *sinfo)
1433 {
1434 u32 rate;
1435
1436 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
1437 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
1438 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
1439 BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
1440
1441 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1442 if (!node)
1443 return -ENOENT;
1444
1445 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) |
1446 BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1447 sinfo->inactive_time =
1448 jiffies_to_msecs(jiffies - node->stats.last_rx);
1449
1450 sinfo->signal = node->stats.rssi;
1451 sinfo->signal_avg = node->stats.rssi;
1452 sinfo->rx_bytes = node->stats.rx_bytes;
1453 sinfo->tx_bytes = node->stats.tx_bytes;
1454 sinfo->rx_packets = node->stats.rx_packets;
1455 sinfo->tx_packets = node->stats.tx_packets;
1456 sinfo->tx_failed = node->stats.tx_failed;
1457
1458 mwifiex_parse_htinfo(priv, priv->tx_rate,
1459 node->stats.last_tx_htinfo,
1460 &sinfo->txrate);
1461 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1462
1463 return 0;
1464 }
1465
1466 /* Get signal information from the firmware */
1467 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1468 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1469 mwifiex_dbg(priv->adapter, ERROR,
1470 "failed to get signal information\n");
1471 return -EFAULT;
1472 }
1473
1474 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1475 mwifiex_dbg(priv->adapter, ERROR,
1476 "getting data rate error\n");
1477 return -EFAULT;
1478 }
1479
1480 /* Get DTIM period information from firmware */
1481 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1482 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1483 &priv->dtim_period, true);
1484
1485 mwifiex_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo,
1486 &sinfo->txrate);
1487
1488 sinfo->signal_avg = priv->bcn_rssi_avg;
1489 sinfo->rx_bytes = priv->stats.rx_bytes;
1490 sinfo->tx_bytes = priv->stats.tx_bytes;
1491 sinfo->rx_packets = priv->stats.rx_packets;
1492 sinfo->tx_packets = priv->stats.tx_packets;
1493 sinfo->signal = priv->bcn_rssi_avg;
1494 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1495 sinfo->txrate.legacy = rate * 5;
1496
1497 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
1498 mwifiex_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo,
1499 &sinfo->rxrate);
1500
1501 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1502 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM);
1503 sinfo->bss_param.flags = 0;
1504 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1505 WLAN_CAPABILITY_SHORT_PREAMBLE)
1506 sinfo->bss_param.flags |=
1507 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1508 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1509 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1510 sinfo->bss_param.flags |=
1511 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1512 sinfo->bss_param.dtim_period = priv->dtim_period;
1513 sinfo->bss_param.beacon_interval =
1514 priv->curr_bss_params.bss_descriptor.beacon_period;
1515 }
1516
1517 return 0;
1518 }
1519
1520 /*
1521 * CFG802.11 operation handler to get station information.
1522 *
1523 * This function only works in connected mode, and dumps the
1524 * requested station information, if available.
1525 */
1526 static int
mwifiex_cfg80211_get_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_info * sinfo)1527 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1528 const u8 *mac, struct station_info *sinfo)
1529 {
1530 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1531
1532 if (!priv->media_connected)
1533 return -ENOENT;
1534 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1535 return -ENOENT;
1536
1537 return mwifiex_dump_station_info(priv, NULL, sinfo);
1538 }
1539
1540 /*
1541 * CFG802.11 operation handler to dump station information.
1542 */
1543 static int
mwifiex_cfg80211_dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)1544 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1545 int idx, u8 *mac, struct station_info *sinfo)
1546 {
1547 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1548 struct mwifiex_sta_node *node;
1549 int i;
1550
1551 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1552 priv->media_connected && idx == 0) {
1553 ether_addr_copy(mac, priv->cfg_bssid);
1554 return mwifiex_dump_station_info(priv, NULL, sinfo);
1555 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1556 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1557 HostCmd_ACT_GEN_GET, 0, NULL, true);
1558
1559 i = 0;
1560 list_for_each_entry(node, &priv->sta_list, list) {
1561 if (i++ != idx)
1562 continue;
1563 ether_addr_copy(mac, node->mac_addr);
1564 return mwifiex_dump_station_info(priv, node, sinfo);
1565 }
1566 }
1567
1568 return -ENOENT;
1569 }
1570
1571 static int
mwifiex_cfg80211_dump_survey(struct wiphy * wiphy,struct net_device * dev,int idx,struct survey_info * survey)1572 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1573 int idx, struct survey_info *survey)
1574 {
1575 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1576 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1577 enum nl80211_band band;
1578
1579 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1580
1581 memset(survey, 0, sizeof(struct survey_info));
1582
1583 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1584 priv->media_connected && idx == 0) {
1585 u8 curr_bss_band = priv->curr_bss_params.band;
1586 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1587
1588 band = mwifiex_band_to_radio_type(curr_bss_band);
1589 survey->channel = ieee80211_get_channel(wiphy,
1590 ieee80211_channel_to_frequency(chan, band));
1591
1592 if (priv->bcn_nf_last) {
1593 survey->filled = SURVEY_INFO_NOISE_DBM;
1594 survey->noise = priv->bcn_nf_last;
1595 }
1596 return 0;
1597 }
1598
1599 if (idx >= priv->adapter->num_in_chan_stats)
1600 return -ENOENT;
1601
1602 if (!pchan_stats[idx].cca_scan_dur)
1603 return 0;
1604
1605 band = pchan_stats[idx].bandcfg;
1606 survey->channel = ieee80211_get_channel(wiphy,
1607 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1608 survey->filled = SURVEY_INFO_NOISE_DBM |
1609 SURVEY_INFO_TIME |
1610 SURVEY_INFO_TIME_BUSY;
1611 survey->noise = pchan_stats[idx].noise;
1612 survey->time = pchan_stats[idx].cca_scan_dur;
1613 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1614
1615 return 0;
1616 }
1617
1618 /* Supported rates to be advertised to the cfg80211 */
1619 static struct ieee80211_rate mwifiex_rates[] = {
1620 {.bitrate = 10, .hw_value = 2, },
1621 {.bitrate = 20, .hw_value = 4, },
1622 {.bitrate = 55, .hw_value = 11, },
1623 {.bitrate = 110, .hw_value = 22, },
1624 {.bitrate = 60, .hw_value = 12, },
1625 {.bitrate = 90, .hw_value = 18, },
1626 {.bitrate = 120, .hw_value = 24, },
1627 {.bitrate = 180, .hw_value = 36, },
1628 {.bitrate = 240, .hw_value = 48, },
1629 {.bitrate = 360, .hw_value = 72, },
1630 {.bitrate = 480, .hw_value = 96, },
1631 {.bitrate = 540, .hw_value = 108, },
1632 };
1633
1634 /* Channel definitions to be advertised to cfg80211 */
1635 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1636 {.center_freq = 2412, .hw_value = 1, },
1637 {.center_freq = 2417, .hw_value = 2, },
1638 {.center_freq = 2422, .hw_value = 3, },
1639 {.center_freq = 2427, .hw_value = 4, },
1640 {.center_freq = 2432, .hw_value = 5, },
1641 {.center_freq = 2437, .hw_value = 6, },
1642 {.center_freq = 2442, .hw_value = 7, },
1643 {.center_freq = 2447, .hw_value = 8, },
1644 {.center_freq = 2452, .hw_value = 9, },
1645 {.center_freq = 2457, .hw_value = 10, },
1646 {.center_freq = 2462, .hw_value = 11, },
1647 {.center_freq = 2467, .hw_value = 12, },
1648 {.center_freq = 2472, .hw_value = 13, },
1649 {.center_freq = 2484, .hw_value = 14, },
1650 };
1651
1652 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1653 .channels = mwifiex_channels_2ghz,
1654 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1655 .bitrates = mwifiex_rates,
1656 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1657 };
1658
1659 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1660 {.center_freq = 5040, .hw_value = 8, },
1661 {.center_freq = 5060, .hw_value = 12, },
1662 {.center_freq = 5080, .hw_value = 16, },
1663 {.center_freq = 5170, .hw_value = 34, },
1664 {.center_freq = 5190, .hw_value = 38, },
1665 {.center_freq = 5210, .hw_value = 42, },
1666 {.center_freq = 5230, .hw_value = 46, },
1667 {.center_freq = 5180, .hw_value = 36, },
1668 {.center_freq = 5200, .hw_value = 40, },
1669 {.center_freq = 5220, .hw_value = 44, },
1670 {.center_freq = 5240, .hw_value = 48, },
1671 {.center_freq = 5260, .hw_value = 52, },
1672 {.center_freq = 5280, .hw_value = 56, },
1673 {.center_freq = 5300, .hw_value = 60, },
1674 {.center_freq = 5320, .hw_value = 64, },
1675 {.center_freq = 5500, .hw_value = 100, },
1676 {.center_freq = 5520, .hw_value = 104, },
1677 {.center_freq = 5540, .hw_value = 108, },
1678 {.center_freq = 5560, .hw_value = 112, },
1679 {.center_freq = 5580, .hw_value = 116, },
1680 {.center_freq = 5600, .hw_value = 120, },
1681 {.center_freq = 5620, .hw_value = 124, },
1682 {.center_freq = 5640, .hw_value = 128, },
1683 {.center_freq = 5660, .hw_value = 132, },
1684 {.center_freq = 5680, .hw_value = 136, },
1685 {.center_freq = 5700, .hw_value = 140, },
1686 {.center_freq = 5745, .hw_value = 149, },
1687 {.center_freq = 5765, .hw_value = 153, },
1688 {.center_freq = 5785, .hw_value = 157, },
1689 {.center_freq = 5805, .hw_value = 161, },
1690 {.center_freq = 5825, .hw_value = 165, },
1691 };
1692
1693 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1694 .channels = mwifiex_channels_5ghz,
1695 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1696 .bitrates = mwifiex_rates + 4,
1697 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1698 };
1699
1700
1701 /* Supported crypto cipher suits to be advertised to cfg80211 */
1702 static const u32 mwifiex_cipher_suites[] = {
1703 WLAN_CIPHER_SUITE_WEP40,
1704 WLAN_CIPHER_SUITE_WEP104,
1705 WLAN_CIPHER_SUITE_TKIP,
1706 WLAN_CIPHER_SUITE_CCMP,
1707 WLAN_CIPHER_SUITE_SMS4,
1708 WLAN_CIPHER_SUITE_AES_CMAC,
1709 };
1710
1711 /* Supported mgmt frame types to be advertised to cfg80211 */
1712 static const struct ieee80211_txrx_stypes
1713 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1714 [NL80211_IFTYPE_STATION] = {
1715 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1716 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1717 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1718 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1719 },
1720 [NL80211_IFTYPE_AP] = {
1721 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1722 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1723 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1724 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1725 },
1726 [NL80211_IFTYPE_P2P_CLIENT] = {
1727 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1728 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1729 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1730 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1731 },
1732 [NL80211_IFTYPE_P2P_GO] = {
1733 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1734 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1735 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1736 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1737 },
1738 };
1739
1740 /*
1741 * CFG802.11 operation handler for setting bit rates.
1742 *
1743 * Function configures data rates to firmware using bitrate mask
1744 * provided by cfg80211.
1745 */
1746 static int
mwifiex_cfg80211_set_bitrate_mask(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id,const u8 * peer,const struct cfg80211_bitrate_mask * mask)1747 mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1748 struct net_device *dev,
1749 unsigned int link_id,
1750 const u8 *peer,
1751 const struct cfg80211_bitrate_mask *mask)
1752 {
1753 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1754 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1755 enum nl80211_band band;
1756 struct mwifiex_adapter *adapter = priv->adapter;
1757
1758 if (!priv->media_connected) {
1759 mwifiex_dbg(adapter, ERROR,
1760 "Can not set Tx data rate in disconnected state\n");
1761 return -EINVAL;
1762 }
1763
1764 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1765
1766 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1767
1768 /* Fill HR/DSSS rates. */
1769 if (band == NL80211_BAND_2GHZ)
1770 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1771
1772 /* Fill OFDM rates */
1773 if (band == NL80211_BAND_2GHZ)
1774 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1775 else
1776 bitmap_rates[1] = mask->control[band].legacy;
1777
1778 /* Fill HT MCS rates */
1779 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1780 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1781 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1782
1783 /* Fill VHT MCS rates */
1784 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1785 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1786 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1787 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1788 }
1789
1790 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1791 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1792 }
1793
1794 /*
1795 * CFG802.11 operation handler for connection quality monitoring.
1796 *
1797 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1798 * events to FW.
1799 */
mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy * wiphy,struct net_device * dev,s32 rssi_thold,u32 rssi_hyst)1800 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1801 struct net_device *dev,
1802 s32 rssi_thold, u32 rssi_hyst)
1803 {
1804 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1805 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1806
1807 priv->cqm_rssi_thold = rssi_thold;
1808 priv->cqm_rssi_hyst = rssi_hyst;
1809
1810 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1811 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1812
1813 /* Subscribe/unsubscribe low and high rssi events */
1814 if (rssi_thold && rssi_hyst) {
1815 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1816 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1817 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1818 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1819 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1820 return mwifiex_send_cmd(priv,
1821 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1822 0, 0, &subsc_evt, true);
1823 } else {
1824 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1825 return mwifiex_send_cmd(priv,
1826 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1827 0, 0, &subsc_evt, true);
1828 }
1829
1830 return 0;
1831 }
1832
1833 /* cfg80211 operation handler for change_beacon.
1834 * Function retrieves and sets modified management IEs to FW.
1835 */
mwifiex_cfg80211_change_beacon(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_update * params)1836 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1837 struct net_device *dev,
1838 struct cfg80211_ap_update *params)
1839 {
1840 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1841 struct mwifiex_adapter *adapter = priv->adapter;
1842 struct cfg80211_beacon_data *data = ¶ms->beacon;
1843
1844 mwifiex_cancel_scan(adapter);
1845
1846 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1847 mwifiex_dbg(priv->adapter, ERROR,
1848 "%s: bss_type mismatched\n", __func__);
1849 return -EINVAL;
1850 }
1851
1852 if (!priv->bss_started) {
1853 mwifiex_dbg(priv->adapter, ERROR,
1854 "%s: bss not started\n", __func__);
1855 return -EINVAL;
1856 }
1857
1858 if (mwifiex_set_mgmt_ies(priv, data)) {
1859 mwifiex_dbg(priv->adapter, ERROR,
1860 "%s: setting mgmt ies failed\n", __func__);
1861 return -EFAULT;
1862 }
1863
1864 return 0;
1865 }
1866
1867 /* cfg80211 operation handler for del_station.
1868 * Function deauthenticates station which value is provided in mac parameter.
1869 * If mac is NULL/broadcast, all stations in associated station list are
1870 * deauthenticated. If bss is not started or there are no stations in
1871 * associated stations list, no action is taken.
1872 */
1873 static int
mwifiex_cfg80211_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)1874 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1875 struct station_del_parameters *params)
1876 {
1877 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1878 struct mwifiex_sta_node *sta_node;
1879 u8 deauth_mac[ETH_ALEN];
1880
1881 if (!priv->bss_started && priv->wdev.cac_started) {
1882 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1883 mwifiex_abort_cac(priv);
1884 }
1885
1886 if (list_empty(&priv->sta_list) || !priv->bss_started)
1887 return 0;
1888
1889 if (!params->mac || is_broadcast_ether_addr(params->mac))
1890 return 0;
1891
1892 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1893 __func__, params->mac);
1894
1895 eth_zero_addr(deauth_mac);
1896
1897 spin_lock_bh(&priv->sta_list_spinlock);
1898 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1899 if (sta_node)
1900 ether_addr_copy(deauth_mac, params->mac);
1901 spin_unlock_bh(&priv->sta_list_spinlock);
1902
1903 if (is_valid_ether_addr(deauth_mac)) {
1904 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1905 HostCmd_ACT_GEN_SET, 0,
1906 deauth_mac, true))
1907 return -1;
1908 }
1909
1910 return 0;
1911 }
1912
1913 static int
mwifiex_cfg80211_set_antenna(struct wiphy * wiphy,u32 tx_ant,u32 rx_ant)1914 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1915 {
1916 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1917 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1918 MWIFIEX_BSS_ROLE_ANY);
1919 struct mwifiex_ds_ant_cfg ant_cfg;
1920
1921 if (!tx_ant || !rx_ant)
1922 return -EOPNOTSUPP;
1923
1924 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1925 /* Not a MIMO chip. User should provide specific antenna number
1926 * for Tx/Rx path or enable all antennas for diversity
1927 */
1928 if (tx_ant != rx_ant)
1929 return -EOPNOTSUPP;
1930
1931 if ((tx_ant & (tx_ant - 1)) &&
1932 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1933 return -EOPNOTSUPP;
1934
1935 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1936 (priv->adapter->number_of_antenna > 1)) {
1937 tx_ant = RF_ANTENNA_AUTO;
1938 rx_ant = RF_ANTENNA_AUTO;
1939 }
1940 } else {
1941 struct ieee80211_sta_ht_cap *ht_info;
1942 int rx_mcs_supp;
1943 enum nl80211_band band;
1944
1945 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1946 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1947 if (adapter->is_hw_11ac_capable)
1948 adapter->usr_dot_11ac_mcs_support =
1949 MWIFIEX_11AC_MCS_MAP_1X1;
1950 } else {
1951 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1952 if (adapter->is_hw_11ac_capable)
1953 adapter->usr_dot_11ac_mcs_support =
1954 MWIFIEX_11AC_MCS_MAP_2X2;
1955 }
1956
1957 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1958 if (!adapter->wiphy->bands[band])
1959 continue;
1960
1961 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1962 rx_mcs_supp =
1963 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1964 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1965 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1966 }
1967 }
1968
1969 ant_cfg.tx_ant = tx_ant;
1970 ant_cfg.rx_ant = rx_ant;
1971
1972 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1973 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1974 }
1975
1976 static int
mwifiex_cfg80211_get_antenna(struct wiphy * wiphy,u32 * tx_ant,u32 * rx_ant)1977 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1978 {
1979 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1980 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1981 MWIFIEX_BSS_ROLE_ANY);
1982 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1983 HostCmd_ACT_GEN_GET, 0, NULL, true);
1984
1985 *tx_ant = priv->tx_ant;
1986 *rx_ant = priv->rx_ant;
1987
1988 return 0;
1989 }
1990
1991 /* cfg80211 operation handler for stop ap.
1992 * Function stops BSS running at uAP interface.
1993 */
mwifiex_cfg80211_stop_ap(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id)1994 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
1995 unsigned int link_id)
1996 {
1997 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1998
1999 mwifiex_abort_cac(priv);
2000
2001 if (mwifiex_del_mgmt_ies(priv))
2002 mwifiex_dbg(priv->adapter, ERROR,
2003 "Failed to delete mgmt IEs!\n");
2004
2005 priv->ap_11n_enabled = 0;
2006 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
2007
2008 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
2009 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
2010 mwifiex_dbg(priv->adapter, ERROR,
2011 "Failed to stop the BSS\n");
2012 return -1;
2013 }
2014
2015 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
2016 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
2017 mwifiex_dbg(priv->adapter, ERROR,
2018 "Failed to reset BSS\n");
2019 return -1;
2020 }
2021
2022 if (netif_carrier_ok(priv->netdev))
2023 netif_carrier_off(priv->netdev);
2024 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
2025
2026 return 0;
2027 }
2028
2029 /* cfg80211 operation handler for start_ap.
2030 * Function sets beacon period, DTIM period, SSID and security into
2031 * AP config structure.
2032 * AP is configured with these settings and BSS is started.
2033 */
mwifiex_cfg80211_start_ap(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_settings * params)2034 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
2035 struct net_device *dev,
2036 struct cfg80211_ap_settings *params)
2037 {
2038 struct mwifiex_uap_bss_param *bss_cfg;
2039 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2040
2041 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
2042 return -1;
2043
2044 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
2045 if (!bss_cfg)
2046 return -ENOMEM;
2047
2048 mwifiex_set_sys_config_invalid_data(bss_cfg);
2049
2050 memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN);
2051
2052 if (params->beacon_interval)
2053 bss_cfg->beacon_period = params->beacon_interval;
2054 if (params->dtim_period)
2055 bss_cfg->dtim_period = params->dtim_period;
2056
2057 if (params->ssid && params->ssid_len) {
2058 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
2059 bss_cfg->ssid.ssid_len = params->ssid_len;
2060 }
2061 if (params->inactivity_timeout > 0) {
2062 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
2063 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
2064 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
2065 }
2066
2067 switch (params->hidden_ssid) {
2068 case NL80211_HIDDEN_SSID_NOT_IN_USE:
2069 bss_cfg->bcast_ssid_ctl = 1;
2070 break;
2071 case NL80211_HIDDEN_SSID_ZERO_LEN:
2072 bss_cfg->bcast_ssid_ctl = 0;
2073 break;
2074 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
2075 bss_cfg->bcast_ssid_ctl = 2;
2076 break;
2077 default:
2078 kfree(bss_cfg);
2079 return -EINVAL;
2080 }
2081
2082 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
2083 mwifiex_set_uap_rates(bss_cfg, params);
2084
2085 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
2086 mwifiex_dbg(priv->adapter, ERROR,
2087 "Failed to parse security parameters!\n");
2088 goto out;
2089 }
2090
2091 mwifiex_set_ht_params(priv, bss_cfg, params);
2092
2093 if (priv->adapter->is_hw_11ac_capable) {
2094 mwifiex_set_vht_params(priv, bss_cfg, params);
2095 mwifiex_set_vht_width(priv, params->chandef.width,
2096 priv->ap_11ac_enabled);
2097 }
2098
2099 if (priv->ap_11ac_enabled)
2100 mwifiex_set_11ac_ba_params(priv);
2101 else
2102 mwifiex_set_ba_params(priv);
2103
2104 mwifiex_set_wmm_params(priv, bss_cfg, params);
2105
2106 if (mwifiex_is_11h_active(priv))
2107 mwifiex_set_tpc_params(priv, bss_cfg, params);
2108
2109 if (mwifiex_is_11h_active(priv) &&
2110 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef,
2111 priv->bss_mode)) {
2112 mwifiex_dbg(priv->adapter, INFO,
2113 "Disable 11h extensions in FW\n");
2114 if (mwifiex_11h_activate(priv, false)) {
2115 mwifiex_dbg(priv->adapter, ERROR,
2116 "Failed to disable 11h extensions!!");
2117 goto out;
2118 }
2119 priv->state_11h.is_11h_active = false;
2120 }
2121
2122 mwifiex_config_uap_11d(priv, ¶ms->beacon);
2123
2124 if (mwifiex_config_start_uap(priv, bss_cfg)) {
2125 mwifiex_dbg(priv->adapter, ERROR,
2126 "Failed to start AP\n");
2127 goto out;
2128 }
2129
2130 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon))
2131 goto out;
2132
2133 if (!netif_carrier_ok(priv->netdev))
2134 netif_carrier_on(priv->netdev);
2135 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2136
2137 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2138 kfree(bss_cfg);
2139 return 0;
2140
2141 out:
2142 kfree(bss_cfg);
2143 return -1;
2144 }
2145
2146 /*
2147 * CFG802.11 operation handler for disconnection request.
2148 *
2149 * This function does not work when there is already a disconnection
2150 * procedure going on.
2151 */
2152 static int
mwifiex_cfg80211_disconnect(struct wiphy * wiphy,struct net_device * dev,u16 reason_code)2153 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2154 u16 reason_code)
2155 {
2156 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2157
2158 if (!mwifiex_stop_bg_scan(priv))
2159 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2160
2161 if (mwifiex_deauthenticate(priv, NULL))
2162 return -EFAULT;
2163
2164 eth_zero_addr(priv->cfg_bssid);
2165 priv->hs2_enabled = false;
2166
2167 return 0;
2168 }
2169
2170 /*
2171 * This function informs the CFG802.11 subsystem of a new IBSS.
2172 *
2173 * The following information are sent to the CFG802.11 subsystem
2174 * to register the new IBSS. If we do not register the new IBSS,
2175 * a kernel panic will result.
2176 * - SSID
2177 * - SSID length
2178 * - BSSID
2179 * - Channel
2180 */
mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private * priv)2181 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2182 {
2183 struct ieee80211_channel *chan;
2184 struct mwifiex_bss_info bss_info;
2185 struct cfg80211_bss *bss;
2186 int ie_len;
2187 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2188 enum nl80211_band band;
2189
2190 if (mwifiex_get_bss_info(priv, &bss_info))
2191 return -1;
2192
2193 ie_buf[0] = WLAN_EID_SSID;
2194 ie_buf[1] = bss_info.ssid.ssid_len;
2195
2196 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2197 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2198 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2199
2200 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2201 chan = ieee80211_get_channel(priv->wdev.wiphy,
2202 ieee80211_channel_to_frequency(bss_info.bss_chan,
2203 band));
2204
2205 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2206 CFG80211_BSS_FTYPE_UNKNOWN,
2207 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2208 0, ie_buf, ie_len, 0, GFP_KERNEL);
2209 if (bss) {
2210 cfg80211_put_bss(priv->wdev.wiphy, bss);
2211 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2212 }
2213
2214 return 0;
2215 }
2216
2217 /*
2218 * This function connects with a BSS.
2219 *
2220 * This function handles both Infra and Ad-Hoc modes. It also performs
2221 * validity checking on the provided parameters, disconnects from the
2222 * current BSS (if any), sets up the association/scan parameters,
2223 * including security settings, and performs specific SSID scan before
2224 * trying to connect.
2225 *
2226 * For Infra mode, the function returns failure if the specified SSID
2227 * is not found in scan table. However, for Ad-Hoc mode, it can create
2228 * the IBSS if it does not exist. On successful completion in either case,
2229 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2230 */
2231 static int
mwifiex_cfg80211_assoc(struct mwifiex_private * priv,size_t ssid_len,const u8 * ssid,const u8 * bssid,int mode,struct ieee80211_channel * channel,struct cfg80211_connect_params * sme,bool privacy,struct cfg80211_bss ** sel_bss)2232 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2233 const u8 *ssid, const u8 *bssid, int mode,
2234 struct ieee80211_channel *channel,
2235 struct cfg80211_connect_params *sme, bool privacy,
2236 struct cfg80211_bss **sel_bss)
2237 {
2238 struct cfg80211_ssid req_ssid;
2239 int ret, auth_type = 0;
2240 struct cfg80211_bss *bss = NULL;
2241 u8 is_scanning_required = 0;
2242
2243 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2244
2245 req_ssid.ssid_len = ssid_len;
2246 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2247 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2248 return -EINVAL;
2249 }
2250
2251 memcpy(req_ssid.ssid, ssid, ssid_len);
2252 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2253 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2254 return -EINVAL;
2255 }
2256
2257 /* As this is new association, clear locally stored
2258 * keys and security related flags */
2259 priv->sec_info.wpa_enabled = false;
2260 priv->sec_info.wpa2_enabled = false;
2261 priv->wep_key_curr_index = 0;
2262 priv->sec_info.encryption_mode = 0;
2263 priv->sec_info.is_authtype_auto = 0;
2264 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2265
2266 if (mode == NL80211_IFTYPE_ADHOC) {
2267 u16 enable = true;
2268
2269 /* set ibss coalescing_status */
2270 ret = mwifiex_send_cmd(
2271 priv,
2272 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2273 HostCmd_ACT_GEN_SET, 0, &enable, true);
2274 if (ret)
2275 return ret;
2276
2277 /* "privacy" is set only for ad-hoc mode */
2278 if (privacy) {
2279 /*
2280 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2281 * the firmware can find a matching network from the
2282 * scan. The cfg80211 does not give us the encryption
2283 * mode at this stage so just setting it to WEP here.
2284 */
2285 priv->sec_info.encryption_mode =
2286 WLAN_CIPHER_SUITE_WEP104;
2287 priv->sec_info.authentication_mode =
2288 NL80211_AUTHTYPE_OPEN_SYSTEM;
2289 }
2290
2291 goto done;
2292 }
2293
2294 /* Now handle infra mode. "sme" is valid for infra mode only */
2295 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2296 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2297 priv->sec_info.is_authtype_auto = 1;
2298 } else {
2299 auth_type = sme->auth_type;
2300 }
2301
2302 if (sme->crypto.n_ciphers_pairwise) {
2303 priv->sec_info.encryption_mode =
2304 sme->crypto.ciphers_pairwise[0];
2305 priv->sec_info.authentication_mode = auth_type;
2306 }
2307
2308 if (sme->crypto.cipher_group) {
2309 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2310 priv->sec_info.authentication_mode = auth_type;
2311 }
2312 if (sme->ie)
2313 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2314
2315 if (sme->key) {
2316 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2317 mwifiex_dbg(priv->adapter, INFO,
2318 "info: setting wep encryption\t"
2319 "with key len %d\n", sme->key_len);
2320 priv->wep_key_curr_index = sme->key_idx;
2321 ret = mwifiex_set_encode(priv, NULL, sme->key,
2322 sme->key_len, sme->key_idx,
2323 NULL, 0);
2324 }
2325 }
2326 done:
2327 /*
2328 * Scan entries are valid for some time (15 sec). So we can save one
2329 * active scan time if we just try cfg80211_get_bss first. If it fails
2330 * then request scan and cfg80211_get_bss() again for final output.
2331 */
2332 while (1) {
2333 if (is_scanning_required) {
2334 /* Do specific SSID scanning */
2335 if (mwifiex_request_scan(priv, &req_ssid)) {
2336 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2337 return -EFAULT;
2338 }
2339 }
2340
2341 /* Find the BSS we want using available scan results */
2342 if (mode == NL80211_IFTYPE_ADHOC)
2343 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2344 bssid, ssid, ssid_len,
2345 IEEE80211_BSS_TYPE_IBSS,
2346 IEEE80211_PRIVACY_ANY);
2347 else
2348 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2349 bssid, ssid, ssid_len,
2350 IEEE80211_BSS_TYPE_ESS,
2351 IEEE80211_PRIVACY_ANY);
2352
2353 if (!bss) {
2354 if (is_scanning_required) {
2355 mwifiex_dbg(priv->adapter, MSG,
2356 "assoc: requested bss not found in scan results\n");
2357 break;
2358 }
2359 is_scanning_required = 1;
2360 } else {
2361 mwifiex_dbg(priv->adapter, MSG,
2362 "info: trying to associate to bssid %pM\n",
2363 bss->bssid);
2364 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2365 break;
2366 }
2367 }
2368
2369 if (bss)
2370 cfg80211_ref_bss(priv->adapter->wiphy, bss);
2371
2372 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2373 if (ret)
2374 goto cleanup;
2375
2376 if (mode == NL80211_IFTYPE_ADHOC) {
2377 /* Inform the BSS information to kernel, otherwise
2378 * kernel will give a panic after successful assoc */
2379 if (mwifiex_cfg80211_inform_ibss_bss(priv)) {
2380 ret = -EFAULT;
2381 goto cleanup;
2382 }
2383 }
2384
2385 /* Pass the selected BSS entry to caller. */
2386 if (sel_bss) {
2387 *sel_bss = bss;
2388 bss = NULL;
2389 }
2390
2391 cleanup:
2392 if (bss)
2393 cfg80211_put_bss(priv->adapter->wiphy, bss);
2394 return ret;
2395 }
2396
2397 /*
2398 * CFG802.11 operation handler for association request.
2399 *
2400 * This function does not work when the current mode is set to Ad-Hoc, or
2401 * when there is already an association procedure going on. The given BSS
2402 * information is used to associate.
2403 */
2404 static int
mwifiex_cfg80211_connect(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_connect_params * sme)2405 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2406 struct cfg80211_connect_params *sme)
2407 {
2408 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2409 struct mwifiex_adapter *adapter = priv->adapter;
2410 struct cfg80211_bss *bss = NULL;
2411 int ret;
2412
2413 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2414 mwifiex_dbg(adapter, ERROR,
2415 "%s: reject infra assoc request in non-STA role\n",
2416 dev->name);
2417 return -EINVAL;
2418 }
2419
2420 if (priv->wdev.connected) {
2421 mwifiex_dbg(adapter, ERROR,
2422 "%s: already connected\n", dev->name);
2423 return -EALREADY;
2424 }
2425
2426 if (priv->scan_block)
2427 priv->scan_block = false;
2428
2429 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) ||
2430 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) {
2431 mwifiex_dbg(adapter, ERROR,
2432 "%s: Ignore connection.\t"
2433 "Card removed or FW in bad state\n",
2434 dev->name);
2435 return -EFAULT;
2436 }
2437
2438 mwifiex_dbg(adapter, INFO,
2439 "info: Trying to associate to bssid %pM\n", sme->bssid);
2440
2441 if (!mwifiex_stop_bg_scan(priv))
2442 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2443
2444 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2445 priv->bss_mode, sme->channel, sme, 0,
2446 &bss);
2447 if (!ret) {
2448 cfg80211_connect_bss(priv->netdev, priv->cfg_bssid, bss, NULL,
2449 0, NULL, 0, WLAN_STATUS_SUCCESS,
2450 GFP_KERNEL, NL80211_TIMEOUT_UNSPECIFIED);
2451 mwifiex_dbg(priv->adapter, MSG,
2452 "info: associated to bssid %pM successfully\n",
2453 priv->cfg_bssid);
2454 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2455 priv->adapter->auto_tdls &&
2456 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2457 mwifiex_setup_auto_tdls_timer(priv);
2458 } else {
2459 mwifiex_dbg(priv->adapter, ERROR,
2460 "info: association to bssid %pM failed\n",
2461 priv->cfg_bssid);
2462 eth_zero_addr(priv->cfg_bssid);
2463
2464 if (ret > 0)
2465 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2466 NULL, 0, NULL, 0, ret,
2467 GFP_KERNEL);
2468 else
2469 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2470 NULL, 0, NULL, 0,
2471 WLAN_STATUS_UNSPECIFIED_FAILURE,
2472 GFP_KERNEL);
2473 }
2474
2475 return 0;
2476 }
2477
2478 /*
2479 * This function sets following parameters for ibss network.
2480 * - channel
2481 * - start band
2482 * - 11n flag
2483 * - secondary channel offset
2484 */
mwifiex_set_ibss_params(struct mwifiex_private * priv,struct cfg80211_ibss_params * params)2485 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2486 struct cfg80211_ibss_params *params)
2487 {
2488 struct mwifiex_adapter *adapter = priv->adapter;
2489 int index = 0, i;
2490 u8 config_bands = 0;
2491
2492 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2493 if (!params->basic_rates) {
2494 config_bands = BAND_B | BAND_G;
2495 } else {
2496 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2497 /*
2498 * Rates below 6 Mbps in the table are CCK
2499 * rates; 802.11b and from 6 they are OFDM;
2500 * 802.11G
2501 */
2502 if (mwifiex_rates[i].bitrate == 60) {
2503 index = 1 << i;
2504 break;
2505 }
2506 }
2507
2508 if (params->basic_rates < index) {
2509 config_bands = BAND_B;
2510 } else {
2511 config_bands = BAND_G;
2512 if (params->basic_rates % index)
2513 config_bands |= BAND_B;
2514 }
2515 }
2516
2517 if (cfg80211_get_chandef_type(¶ms->chandef) !=
2518 NL80211_CHAN_NO_HT)
2519 config_bands |= BAND_G | BAND_GN;
2520 } else {
2521 if (cfg80211_get_chandef_type(¶ms->chandef) ==
2522 NL80211_CHAN_NO_HT)
2523 config_bands = BAND_A;
2524 else
2525 config_bands = BAND_AN | BAND_A;
2526 }
2527
2528 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2529 adapter->config_bands = config_bands;
2530 adapter->adhoc_start_band = config_bands;
2531
2532 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2533 adapter->adhoc_11n_enabled = true;
2534 else
2535 adapter->adhoc_11n_enabled = false;
2536 }
2537
2538 adapter->sec_chan_offset =
2539 mwifiex_chan_type_to_sec_chan_offset(
2540 cfg80211_get_chandef_type(¶ms->chandef));
2541 priv->adhoc_channel = ieee80211_frequency_to_channel(
2542 params->chandef.chan->center_freq);
2543
2544 mwifiex_dbg(adapter, INFO,
2545 "info: set ibss band %d, chan %d, chan offset %d\n",
2546 config_bands, priv->adhoc_channel,
2547 adapter->sec_chan_offset);
2548
2549 return 0;
2550 }
2551
2552 /*
2553 * CFG802.11 operation handler to join an IBSS.
2554 *
2555 * This function does not work in any mode other than Ad-Hoc, or if
2556 * a join operation is already in progress.
2557 */
2558 static int
mwifiex_cfg80211_join_ibss(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ibss_params * params)2559 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2560 struct cfg80211_ibss_params *params)
2561 {
2562 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2563 int ret = 0;
2564
2565 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2566 mwifiex_dbg(priv->adapter, ERROR,
2567 "request to join ibss received\t"
2568 "when station is not in ibss mode\n");
2569 goto done;
2570 }
2571
2572 mwifiex_dbg(priv->adapter, MSG, "info: trying to join to bssid %pM\n",
2573 params->bssid);
2574
2575 mwifiex_set_ibss_params(priv, params);
2576
2577 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2578 params->bssid, priv->bss_mode,
2579 params->chandef.chan, NULL,
2580 params->privacy, NULL);
2581 done:
2582 if (!ret) {
2583 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2584 params->chandef.chan, GFP_KERNEL);
2585 mwifiex_dbg(priv->adapter, MSG,
2586 "info: joined/created adhoc network with bssid\t"
2587 "%pM successfully\n", priv->cfg_bssid);
2588 } else {
2589 mwifiex_dbg(priv->adapter, ERROR,
2590 "info: failed creating/joining adhoc network\n");
2591 }
2592
2593 return ret;
2594 }
2595
2596 /*
2597 * CFG802.11 operation handler to leave an IBSS.
2598 *
2599 * This function does not work if a leave operation is
2600 * already in progress.
2601 */
2602 static int
mwifiex_cfg80211_leave_ibss(struct wiphy * wiphy,struct net_device * dev)2603 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2604 {
2605 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2606
2607 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2608 priv->cfg_bssid);
2609 if (mwifiex_deauthenticate(priv, NULL))
2610 return -EFAULT;
2611
2612 eth_zero_addr(priv->cfg_bssid);
2613
2614 return 0;
2615 }
2616
2617 /*
2618 * CFG802.11 operation handler for scan request.
2619 *
2620 * This function issues a scan request to the firmware based upon
2621 * the user specified scan configuration. On successful completion,
2622 * it also informs the results.
2623 */
2624 static int
mwifiex_cfg80211_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)2625 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2626 struct cfg80211_scan_request *request)
2627 {
2628 struct net_device *dev = request->wdev->netdev;
2629 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2630 int i, offset, ret;
2631 struct ieee80211_channel *chan;
2632 struct ieee_types_header *ie;
2633 struct mwifiex_user_scan_cfg *user_scan_cfg;
2634 u8 mac_addr[ETH_ALEN];
2635
2636 mwifiex_dbg(priv->adapter, CMD,
2637 "info: received scan request on %s\n", dev->name);
2638
2639 /* Block scan request if scan operation or scan cleanup when interface
2640 * is disabled is in process
2641 */
2642 if (priv->scan_request || priv->scan_aborting) {
2643 mwifiex_dbg(priv->adapter, WARN,
2644 "cmd: Scan already in process..\n");
2645 return -EBUSY;
2646 }
2647
2648 if (!priv->wdev.connected && priv->scan_block)
2649 priv->scan_block = false;
2650
2651 if (!mwifiex_stop_bg_scan(priv))
2652 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2653
2654 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2655 if (!user_scan_cfg)
2656 return -ENOMEM;
2657
2658 priv->scan_request = request;
2659
2660 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2661 get_random_mask_addr(mac_addr, request->mac_addr,
2662 request->mac_addr_mask);
2663 ether_addr_copy(request->mac_addr, mac_addr);
2664 ether_addr_copy(user_scan_cfg->random_mac, mac_addr);
2665 }
2666
2667 user_scan_cfg->num_ssids = request->n_ssids;
2668 user_scan_cfg->ssid_list = request->ssids;
2669
2670 if (request->ie && request->ie_len) {
2671 offset = 0;
2672 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2673 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2674 continue;
2675 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2676 ie = (struct ieee_types_header *)(request->ie + offset);
2677 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2678 offset += sizeof(*ie) + ie->len;
2679
2680 if (offset >= request->ie_len)
2681 break;
2682 }
2683 }
2684
2685 for (i = 0; i < min_t(u32, request->n_channels,
2686 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2687 chan = request->channels[i];
2688 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2689 user_scan_cfg->chan_list[i].radio_type = chan->band;
2690
2691 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2692 user_scan_cfg->chan_list[i].scan_type =
2693 MWIFIEX_SCAN_TYPE_PASSIVE;
2694 else
2695 user_scan_cfg->chan_list[i].scan_type =
2696 MWIFIEX_SCAN_TYPE_ACTIVE;
2697
2698 user_scan_cfg->chan_list[i].scan_time = 0;
2699 }
2700
2701 if (priv->adapter->scan_chan_gap_enabled &&
2702 mwifiex_is_any_intf_active(priv))
2703 user_scan_cfg->scan_chan_gap =
2704 priv->adapter->scan_chan_gap_time;
2705
2706 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2707 kfree(user_scan_cfg);
2708 if (ret) {
2709 mwifiex_dbg(priv->adapter, ERROR,
2710 "scan failed: %d\n", ret);
2711 priv->scan_aborting = false;
2712 priv->scan_request = NULL;
2713 return ret;
2714 }
2715
2716 if (request->ie && request->ie_len) {
2717 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2718 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2719 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2720 memset(&priv->vs_ie[i].ie, 0,
2721 MWIFIEX_MAX_VSIE_LEN);
2722 }
2723 }
2724 }
2725 return 0;
2726 }
2727
2728 /* CFG802.11 operation handler for sched_scan_start.
2729 *
2730 * This function issues a bgscan config request to the firmware based upon
2731 * the user specified sched_scan configuration. On successful completion,
2732 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2733 * query command to get sched_scan results from firmware.
2734 */
2735 static int
mwifiex_cfg80211_sched_scan_start(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_sched_scan_request * request)2736 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2737 struct net_device *dev,
2738 struct cfg80211_sched_scan_request *request)
2739 {
2740 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2741 int i, offset;
2742 struct ieee80211_channel *chan;
2743 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2744 struct ieee_types_header *ie;
2745
2746 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2747 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2748 __func__);
2749 return -EINVAL;
2750 }
2751
2752 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2753 request->n_ssids, request->n_match_sets);
2754 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2755 request->n_channels, request->scan_plans->interval,
2756 (int)request->ie_len);
2757
2758 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2759 if (!bgscan_cfg)
2760 return -ENOMEM;
2761
2762 if (priv->scan_request || priv->scan_aborting)
2763 bgscan_cfg->start_later = true;
2764
2765 bgscan_cfg->num_ssids = request->n_match_sets;
2766 bgscan_cfg->ssid_list = request->match_sets;
2767
2768 if (request->ie && request->ie_len) {
2769 offset = 0;
2770 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2771 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2772 continue;
2773 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2774 ie = (struct ieee_types_header *)(request->ie + offset);
2775 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2776 offset += sizeof(*ie) + ie->len;
2777
2778 if (offset >= request->ie_len)
2779 break;
2780 }
2781 }
2782
2783 for (i = 0; i < min_t(u32, request->n_channels,
2784 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2785 chan = request->channels[i];
2786 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2787 bgscan_cfg->chan_list[i].radio_type = chan->band;
2788
2789 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2790 bgscan_cfg->chan_list[i].scan_type =
2791 MWIFIEX_SCAN_TYPE_PASSIVE;
2792 else
2793 bgscan_cfg->chan_list[i].scan_type =
2794 MWIFIEX_SCAN_TYPE_ACTIVE;
2795
2796 bgscan_cfg->chan_list[i].scan_time = 0;
2797 }
2798
2799 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2800 MWIFIEX_BG_SCAN_CHAN_MAX);
2801
2802 /* Use at least 15 second for per scan cycle */
2803 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2804 MWIFIEX_BGSCAN_INTERVAL) ?
2805 request->scan_plans->interval :
2806 MWIFIEX_BGSCAN_INTERVAL;
2807
2808 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2809 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2810 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2811 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2812 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2813 bgscan_cfg->enable = true;
2814 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2815 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2816 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2817 }
2818
2819 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2820 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2821 kfree(bgscan_cfg);
2822 return -EFAULT;
2823 }
2824
2825 priv->sched_scanning = true;
2826
2827 kfree(bgscan_cfg);
2828 return 0;
2829 }
2830
2831 /* CFG802.11 operation handler for sched_scan_stop.
2832 *
2833 * This function issues a bgscan config command to disable
2834 * previous bgscan configuration in the firmware
2835 */
mwifiex_cfg80211_sched_scan_stop(struct wiphy * wiphy,struct net_device * dev,u64 reqid)2836 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2837 struct net_device *dev, u64 reqid)
2838 {
2839 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2840
2841 wiphy_info(wiphy, "sched scan stop!");
2842 mwifiex_stop_bg_scan(priv);
2843
2844 return 0;
2845 }
2846
mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap * vht_info,struct mwifiex_private * priv)2847 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2848 struct mwifiex_private *priv)
2849 {
2850 struct mwifiex_adapter *adapter = priv->adapter;
2851
2852 vht_info->vht_supported = true;
2853
2854 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2855 /* Update MCS support for VHT */
2856 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2857 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2858 vht_info->vht_mcs.rx_highest = 0;
2859 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2860 adapter->hw_dot_11ac_mcs_support >> 16);
2861 vht_info->vht_mcs.tx_highest = 0;
2862 }
2863
2864 /*
2865 * This function sets up the CFG802.11 specific HT capability fields
2866 * with default values.
2867 *
2868 * The following default values are set -
2869 * - HT Supported = True
2870 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2871 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2872 * - HT Capabilities supported by firmware
2873 * - MCS information, Rx mask = 0xff
2874 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2875 */
2876 static void
mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap * ht_info,struct mwifiex_private * priv)2877 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2878 struct mwifiex_private *priv)
2879 {
2880 int rx_mcs_supp;
2881 struct ieee80211_mcs_info mcs_set;
2882 u8 *mcs = (u8 *)&mcs_set;
2883 struct mwifiex_adapter *adapter = priv->adapter;
2884
2885 ht_info->ht_supported = true;
2886 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2887 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2888
2889 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2890
2891 /* Fill HT capability information */
2892 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2893 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2894 else
2895 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2896
2897 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2898 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2899 else
2900 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2901
2902 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2903 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2904 else
2905 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2906
2907 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2908 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2909 else
2910 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2911
2912 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2913 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2914 else
2915 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2916
2917 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2918 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2919 else
2920 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2921
2922 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2923 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2924 else
2925 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2926
2927 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2928 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2929 else
2930 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2931
2932 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2933 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2934
2935 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2936 /* Set MCS for 1x1/2x2 */
2937 memset(mcs, 0xff, rx_mcs_supp);
2938 /* Clear all the other values */
2939 memset(&mcs[rx_mcs_supp], 0,
2940 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2941 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2942 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2943 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2944 SETHT_MCS32(mcs_set.rx_mask);
2945
2946 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2947
2948 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2949 }
2950
2951 /*
2952 * create a new virtual interface with the given name and name assign type
2953 */
mwifiex_add_virtual_intf(struct wiphy * wiphy,const char * name,unsigned char name_assign_type,enum nl80211_iftype type,struct vif_params * params)2954 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2955 const char *name,
2956 unsigned char name_assign_type,
2957 enum nl80211_iftype type,
2958 struct vif_params *params)
2959 {
2960 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2961 struct mwifiex_private *priv;
2962 struct net_device *dev;
2963 void *mdev_priv;
2964 int ret;
2965
2966 if (!adapter)
2967 return ERR_PTR(-EFAULT);
2968
2969 switch (type) {
2970 case NL80211_IFTYPE_UNSPECIFIED:
2971 case NL80211_IFTYPE_STATION:
2972 case NL80211_IFTYPE_ADHOC:
2973 if (adapter->curr_iface_comb.sta_intf ==
2974 adapter->iface_limit.sta_intf) {
2975 mwifiex_dbg(adapter, ERROR,
2976 "cannot create multiple sta/adhoc ifaces\n");
2977 return ERR_PTR(-EINVAL);
2978 }
2979
2980 priv = mwifiex_get_unused_priv_by_bss_type(
2981 adapter, MWIFIEX_BSS_TYPE_STA);
2982 if (!priv) {
2983 mwifiex_dbg(adapter, ERROR,
2984 "could not get free private struct\n");
2985 return ERR_PTR(-EFAULT);
2986 }
2987
2988 priv->wdev.wiphy = wiphy;
2989 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2990
2991 if (type == NL80211_IFTYPE_UNSPECIFIED)
2992 priv->bss_mode = NL80211_IFTYPE_STATION;
2993 else
2994 priv->bss_mode = type;
2995
2996 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2997 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2998 priv->bss_priority = 0;
2999 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
3000
3001 break;
3002 case NL80211_IFTYPE_AP:
3003 if (adapter->curr_iface_comb.uap_intf ==
3004 adapter->iface_limit.uap_intf) {
3005 mwifiex_dbg(adapter, ERROR,
3006 "cannot create multiple AP ifaces\n");
3007 return ERR_PTR(-EINVAL);
3008 }
3009
3010 priv = mwifiex_get_unused_priv_by_bss_type(
3011 adapter, MWIFIEX_BSS_TYPE_UAP);
3012 if (!priv) {
3013 mwifiex_dbg(adapter, ERROR,
3014 "could not get free private struct\n");
3015 return ERR_PTR(-EFAULT);
3016 }
3017
3018 priv->wdev.wiphy = wiphy;
3019 priv->wdev.iftype = NL80211_IFTYPE_AP;
3020
3021 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
3022 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
3023 priv->bss_priority = 0;
3024 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
3025 priv->bss_started = 0;
3026 priv->bss_mode = type;
3027
3028 break;
3029 case NL80211_IFTYPE_P2P_CLIENT:
3030 if (adapter->curr_iface_comb.p2p_intf ==
3031 adapter->iface_limit.p2p_intf) {
3032 mwifiex_dbg(adapter, ERROR,
3033 "cannot create multiple P2P ifaces\n");
3034 return ERR_PTR(-EINVAL);
3035 }
3036
3037 priv = mwifiex_get_unused_priv_by_bss_type(
3038 adapter, MWIFIEX_BSS_TYPE_P2P);
3039 if (!priv) {
3040 mwifiex_dbg(adapter, ERROR,
3041 "could not get free private struct\n");
3042 return ERR_PTR(-EFAULT);
3043 }
3044
3045 priv->wdev.wiphy = wiphy;
3046 /* At start-up, wpa_supplicant tries to change the interface
3047 * to NL80211_IFTYPE_STATION if it is not managed mode.
3048 */
3049 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
3050 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
3051
3052 /* Setting bss_type to P2P tells firmware that this interface
3053 * is receiving P2P peers found during find phase and doing
3054 * action frame handshake.
3055 */
3056 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
3057
3058 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
3059 priv->bss_priority = 0;
3060 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
3061 priv->bss_started = 0;
3062
3063 if (mwifiex_cfg80211_init_p2p_client(priv)) {
3064 memset(&priv->wdev, 0, sizeof(priv->wdev));
3065 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3066 return ERR_PTR(-EFAULT);
3067 }
3068
3069 break;
3070 default:
3071 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3072 return ERR_PTR(-EINVAL);
3073 }
3074
3075 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
3076 name_assign_type, ether_setup,
3077 IEEE80211_NUM_ACS, 1);
3078 if (!dev) {
3079 mwifiex_dbg(adapter, ERROR,
3080 "no memory available for netdevice\n");
3081 ret = -ENOMEM;
3082 goto err_alloc_netdev;
3083 }
3084
3085 mwifiex_init_priv_params(priv, dev);
3086
3087 priv->netdev = dev;
3088
3089 if (!adapter->mfg_mode) {
3090 mwifiex_set_mac_address(priv, dev, false, NULL);
3091
3092 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
3093 HostCmd_ACT_GEN_SET, 0, NULL, true);
3094 if (ret)
3095 goto err_set_bss_mode;
3096
3097 ret = mwifiex_sta_init_cmd(priv, false, false);
3098 if (ret)
3099 goto err_sta_init;
3100 }
3101
3102 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
3103 if (adapter->is_hw_11ac_capable)
3104 mwifiex_setup_vht_caps(
3105 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
3106
3107 if (adapter->config_bands & BAND_A)
3108 mwifiex_setup_ht_caps(
3109 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
3110
3111 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
3112 mwifiex_setup_vht_caps(
3113 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
3114
3115 dev_net_set(dev, wiphy_net(wiphy));
3116 dev->ieee80211_ptr = &priv->wdev;
3117 dev->ieee80211_ptr->iftype = priv->bss_mode;
3118 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
3119
3120 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
3121 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
3122 dev->needed_headroom = MWIFIEX_MIN_DATA_HEADER_LEN;
3123 dev->ethtool_ops = &mwifiex_ethtool_ops;
3124
3125 mdev_priv = netdev_priv(dev);
3126 *((unsigned long *) mdev_priv) = (unsigned long) priv;
3127
3128 SET_NETDEV_DEV(dev, adapter->dev);
3129
3130 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3131 WQ_HIGHPRI |
3132 WQ_MEM_RECLAIM |
3133 WQ_UNBOUND, 0, name);
3134 if (!priv->dfs_cac_workqueue) {
3135 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n");
3136 ret = -ENOMEM;
3137 goto err_alloc_cac;
3138 }
3139
3140 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3141
3142 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3143 WQ_HIGHPRI | WQ_UNBOUND |
3144 WQ_MEM_RECLAIM, 0, name);
3145 if (!priv->dfs_chan_sw_workqueue) {
3146 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n");
3147 ret = -ENOMEM;
3148 goto err_alloc_chsw;
3149 }
3150
3151 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3152 mwifiex_dfs_chan_sw_work_queue);
3153
3154 mutex_init(&priv->async_mutex);
3155
3156 /* Register network device */
3157 if (cfg80211_register_netdevice(dev)) {
3158 mwifiex_dbg(adapter, ERROR, "cannot register network device\n");
3159 ret = -EFAULT;
3160 goto err_reg_netdev;
3161 }
3162
3163 mwifiex_dbg(adapter, INFO,
3164 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3165
3166 #ifdef CONFIG_DEBUG_FS
3167 mwifiex_dev_debugfs_init(priv);
3168 #endif
3169
3170 update_vif_type_counter(adapter, type, +1);
3171
3172 return &priv->wdev;
3173
3174 err_reg_netdev:
3175 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3176 priv->dfs_chan_sw_workqueue = NULL;
3177 err_alloc_chsw:
3178 destroy_workqueue(priv->dfs_cac_workqueue);
3179 priv->dfs_cac_workqueue = NULL;
3180 err_alloc_cac:
3181 free_netdev(dev);
3182 priv->netdev = NULL;
3183 err_sta_init:
3184 err_set_bss_mode:
3185 err_alloc_netdev:
3186 memset(&priv->wdev, 0, sizeof(priv->wdev));
3187 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3188 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3189 return ERR_PTR(ret);
3190 }
3191 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3192
3193 /*
3194 * del_virtual_intf: remove the virtual interface determined by dev
3195 */
mwifiex_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)3196 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3197 {
3198 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3199 struct mwifiex_adapter *adapter = priv->adapter;
3200 struct sk_buff *skb, *tmp;
3201
3202 #ifdef CONFIG_DEBUG_FS
3203 mwifiex_dev_debugfs_remove(priv);
3204 #endif
3205
3206 if (priv->sched_scanning)
3207 priv->sched_scanning = false;
3208
3209 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3210
3211 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3212 skb_unlink(skb, &priv->bypass_txq);
3213 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3214 }
3215
3216 if (netif_carrier_ok(priv->netdev))
3217 netif_carrier_off(priv->netdev);
3218
3219 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3220 cfg80211_unregister_netdevice(wdev->netdev);
3221
3222 if (priv->dfs_cac_workqueue) {
3223 destroy_workqueue(priv->dfs_cac_workqueue);
3224 priv->dfs_cac_workqueue = NULL;
3225 }
3226
3227 if (priv->dfs_chan_sw_workqueue) {
3228 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3229 priv->dfs_chan_sw_workqueue = NULL;
3230 }
3231 /* Clear the priv in adapter */
3232 priv->netdev = NULL;
3233
3234 update_vif_type_counter(adapter, priv->bss_mode, -1);
3235
3236 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3237
3238 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3239 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3240 kfree(priv->hist_data);
3241
3242 return 0;
3243 }
3244 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3245
3246 static bool
mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern * pat,s8 * byte_seq,u8 max_byte_seq)3247 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3248 u8 max_byte_seq)
3249 {
3250 int j, k, valid_byte_cnt = 0;
3251 bool dont_care_byte = false;
3252
3253 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3254 for (k = 0; k < 8; k++) {
3255 if (pat->mask[j] & 1 << k) {
3256 memcpy(byte_seq + valid_byte_cnt,
3257 &pat->pattern[j * 8 + k], 1);
3258 valid_byte_cnt++;
3259 if (dont_care_byte)
3260 return false;
3261 } else {
3262 if (valid_byte_cnt)
3263 dont_care_byte = true;
3264 }
3265
3266 /* wildcard bytes record as the offset
3267 * before the valid byte
3268 */
3269 if (!valid_byte_cnt && !dont_care_byte)
3270 pat->pkt_offset++;
3271
3272 if (valid_byte_cnt > max_byte_seq)
3273 return false;
3274 }
3275 }
3276
3277 byte_seq[max_byte_seq] = valid_byte_cnt;
3278
3279 return true;
3280 }
3281
3282 #ifdef CONFIG_PM
mwifiex_set_auto_arp_mef_entry(struct mwifiex_private * priv,struct mwifiex_mef_entry * mef_entry)3283 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3284 struct mwifiex_mef_entry *mef_entry)
3285 {
3286 int i, filt_num = 0, num_ipv4 = 0;
3287 struct in_device *in_dev;
3288 struct in_ifaddr *ifa;
3289 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3290 struct mwifiex_adapter *adapter = priv->adapter;
3291
3292 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3293 mef_entry->action = MEF_ACTION_AUTO_ARP;
3294
3295 /* Enable ARP offload feature */
3296 memset(ips, 0, sizeof(ips));
3297 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3298 if (adapter->priv[i]->netdev) {
3299 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3300 if (!in_dev)
3301 continue;
3302 ifa = rtnl_dereference(in_dev->ifa_list);
3303 if (!ifa || !ifa->ifa_local)
3304 continue;
3305 ips[i] = ifa->ifa_local;
3306 num_ipv4++;
3307 }
3308 }
3309
3310 for (i = 0; i < num_ipv4; i++) {
3311 if (!ips[i])
3312 continue;
3313 mef_entry->filter[filt_num].repeat = 1;
3314 memcpy(mef_entry->filter[filt_num].byte_seq,
3315 (u8 *)&ips[i], sizeof(ips[i]));
3316 mef_entry->filter[filt_num].
3317 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3318 sizeof(ips[i]);
3319 mef_entry->filter[filt_num].offset = 46;
3320 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3321 if (filt_num) {
3322 mef_entry->filter[filt_num].filt_action =
3323 TYPE_OR;
3324 }
3325 filt_num++;
3326 }
3327
3328 mef_entry->filter[filt_num].repeat = 1;
3329 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3330 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3331 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3332 mef_entry->filter[filt_num].offset = 20;
3333 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3334 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3335 }
3336
mwifiex_set_wowlan_mef_entry(struct mwifiex_private * priv,struct mwifiex_ds_mef_cfg * mef_cfg,struct mwifiex_mef_entry * mef_entry,struct cfg80211_wowlan * wowlan)3337 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3338 struct mwifiex_ds_mef_cfg *mef_cfg,
3339 struct mwifiex_mef_entry *mef_entry,
3340 struct cfg80211_wowlan *wowlan)
3341 {
3342 int i, filt_num = 0, ret = 0;
3343 bool first_pat = true;
3344 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3345 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3346 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3347
3348 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3349 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3350
3351 for (i = 0; i < wowlan->n_patterns; i++) {
3352 memset(byte_seq, 0, sizeof(byte_seq));
3353 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3354 byte_seq,
3355 MWIFIEX_MEF_MAX_BYTESEQ)) {
3356 mwifiex_dbg(priv->adapter, ERROR,
3357 "Pattern not supported\n");
3358 return -EOPNOTSUPP;
3359 }
3360
3361 if (!wowlan->patterns[i].pkt_offset) {
3362 if (is_unicast_ether_addr(byte_seq) &&
3363 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3364 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3365 continue;
3366 } else if (is_broadcast_ether_addr(byte_seq)) {
3367 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3368 continue;
3369 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3370 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3371 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3372 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3373 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3374 continue;
3375 }
3376 }
3377 mef_entry->filter[filt_num].repeat = 1;
3378 mef_entry->filter[filt_num].offset =
3379 wowlan->patterns[i].pkt_offset;
3380 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3381 sizeof(byte_seq));
3382 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3383
3384 if (first_pat) {
3385 first_pat = false;
3386 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3387 } else {
3388 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3389 }
3390
3391 filt_num++;
3392 }
3393
3394 if (wowlan->magic_pkt) {
3395 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3396 mef_entry->filter[filt_num].repeat = 16;
3397 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3398 ETH_ALEN);
3399 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3400 ETH_ALEN;
3401 mef_entry->filter[filt_num].offset = 28;
3402 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3403 if (filt_num)
3404 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3405
3406 filt_num++;
3407 mef_entry->filter[filt_num].repeat = 16;
3408 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3409 ETH_ALEN);
3410 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3411 ETH_ALEN;
3412 mef_entry->filter[filt_num].offset = 56;
3413 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3414 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3415 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3416 }
3417 return ret;
3418 }
3419
mwifiex_set_mef_filter(struct mwifiex_private * priv,struct cfg80211_wowlan * wowlan)3420 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3421 struct cfg80211_wowlan *wowlan)
3422 {
3423 int ret = 0, num_entries = 1;
3424 struct mwifiex_ds_mef_cfg mef_cfg;
3425 struct mwifiex_mef_entry *mef_entry;
3426
3427 if (wowlan->n_patterns || wowlan->magic_pkt)
3428 num_entries++;
3429
3430 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3431 if (!mef_entry)
3432 return -ENOMEM;
3433
3434 memset(&mef_cfg, 0, sizeof(mef_cfg));
3435 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3436 MWIFIEX_CRITERIA_UNICAST;
3437 mef_cfg.num_entries = num_entries;
3438 mef_cfg.mef_entry = mef_entry;
3439
3440 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3441
3442 if (wowlan->n_patterns || wowlan->magic_pkt) {
3443 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3444 &mef_entry[1], wowlan);
3445 if (ret)
3446 goto err;
3447 }
3448
3449 if (!mef_cfg.criteria)
3450 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3451 MWIFIEX_CRITERIA_UNICAST |
3452 MWIFIEX_CRITERIA_MULTICAST;
3453
3454 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3455 HostCmd_ACT_GEN_SET, 0,
3456 &mef_cfg, true);
3457
3458 err:
3459 kfree(mef_entry);
3460 return ret;
3461 }
3462
mwifiex_cfg80211_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wowlan)3463 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3464 struct cfg80211_wowlan *wowlan)
3465 {
3466 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3467 struct mwifiex_ds_hs_cfg hs_cfg;
3468 int i, ret = 0, retry_num = 10;
3469 struct mwifiex_private *priv;
3470 struct mwifiex_private *sta_priv =
3471 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3472
3473 sta_priv->scan_aborting = true;
3474 for (i = 0; i < adapter->priv_num; i++) {
3475 priv = adapter->priv[i];
3476 mwifiex_abort_cac(priv);
3477 }
3478
3479 mwifiex_cancel_all_pending_cmd(adapter);
3480
3481 for (i = 0; i < adapter->priv_num; i++) {
3482 priv = adapter->priv[i];
3483 if (priv && priv->netdev)
3484 netif_device_detach(priv->netdev);
3485 }
3486
3487 for (i = 0; i < retry_num; i++) {
3488 if (!mwifiex_wmm_lists_empty(adapter) ||
3489 !mwifiex_bypass_txlist_empty(adapter) ||
3490 !skb_queue_empty(&adapter->tx_data_q))
3491 usleep_range(10000, 15000);
3492 else
3493 break;
3494 }
3495
3496 if (!wowlan) {
3497 mwifiex_dbg(adapter, INFO,
3498 "None of the WOWLAN triggers enabled\n");
3499 ret = 0;
3500 goto done;
3501 }
3502
3503 if (!sta_priv->media_connected && !wowlan->nd_config) {
3504 mwifiex_dbg(adapter, ERROR,
3505 "Can not configure WOWLAN in disconnected state\n");
3506 ret = 0;
3507 goto done;
3508 }
3509
3510 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3511 if (ret) {
3512 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3513 goto done;
3514 }
3515
3516 memset(&hs_cfg, 0, sizeof(hs_cfg));
3517 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3518
3519 if (wowlan->nd_config) {
3520 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3521 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3522 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3523 wowlan->nd_config);
3524 }
3525
3526 if (wowlan->disconnect) {
3527 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3528 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3529 }
3530
3531 hs_cfg.is_invoke_hostcmd = false;
3532 hs_cfg.gpio = adapter->hs_cfg.gpio;
3533 hs_cfg.gap = adapter->hs_cfg.gap;
3534 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3535 MWIFIEX_SYNC_CMD, &hs_cfg);
3536 if (ret)
3537 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3538
3539 done:
3540 sta_priv->scan_aborting = false;
3541 return ret;
3542 }
3543
mwifiex_cfg80211_resume(struct wiphy * wiphy)3544 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3545 {
3546 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3547 struct mwifiex_private *priv;
3548 struct mwifiex_ds_wakeup_reason wakeup_reason;
3549 struct cfg80211_wowlan_wakeup wakeup_report;
3550 int i;
3551 bool report_wakeup_reason = true;
3552
3553 for (i = 0; i < adapter->priv_num; i++) {
3554 priv = adapter->priv[i];
3555 if (priv && priv->netdev)
3556 netif_device_attach(priv->netdev);
3557 }
3558
3559 if (!wiphy->wowlan_config)
3560 goto done;
3561
3562 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3563 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3564 &wakeup_reason);
3565 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3566
3567 wakeup_report.pattern_idx = -1;
3568
3569 switch (wakeup_reason.hs_wakeup_reason) {
3570 case NO_HSWAKEUP_REASON:
3571 break;
3572 case BCAST_DATA_MATCHED:
3573 break;
3574 case MCAST_DATA_MATCHED:
3575 break;
3576 case UCAST_DATA_MATCHED:
3577 break;
3578 case MASKTABLE_EVENT_MATCHED:
3579 break;
3580 case NON_MASKABLE_EVENT_MATCHED:
3581 if (wiphy->wowlan_config->disconnect)
3582 wakeup_report.disconnect = true;
3583 if (wiphy->wowlan_config->nd_config)
3584 wakeup_report.net_detect = adapter->nd_info;
3585 break;
3586 case NON_MASKABLE_CONDITION_MATCHED:
3587 break;
3588 case MAGIC_PATTERN_MATCHED:
3589 if (wiphy->wowlan_config->magic_pkt)
3590 wakeup_report.magic_pkt = true;
3591 if (wiphy->wowlan_config->n_patterns)
3592 wakeup_report.pattern_idx = 1;
3593 break;
3594 case GTK_REKEY_FAILURE:
3595 if (wiphy->wowlan_config->gtk_rekey_failure)
3596 wakeup_report.gtk_rekey_failure = true;
3597 break;
3598 default:
3599 report_wakeup_reason = false;
3600 break;
3601 }
3602
3603 if (report_wakeup_reason)
3604 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3605 GFP_KERNEL);
3606
3607 done:
3608 if (adapter->nd_info) {
3609 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3610 kfree(adapter->nd_info->matches[i]);
3611 kfree(adapter->nd_info);
3612 adapter->nd_info = NULL;
3613 }
3614
3615 return 0;
3616 }
3617
mwifiex_cfg80211_set_wakeup(struct wiphy * wiphy,bool enabled)3618 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3619 bool enabled)
3620 {
3621 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3622
3623 device_set_wakeup_enable(adapter->dev, enabled);
3624 }
3625
mwifiex_set_rekey_data(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_gtk_rekey_data * data)3626 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3627 struct cfg80211_gtk_rekey_data *data)
3628 {
3629 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3630
3631 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
3632 return -EOPNOTSUPP;
3633
3634 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3635 HostCmd_ACT_GEN_SET, 0, data, true);
3636 }
3637
3638 #endif
3639
mwifiex_get_coalesce_pkt_type(u8 * byte_seq)3640 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3641 {
3642 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3643 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3644 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3645
3646 if ((byte_seq[0] & 0x01) &&
3647 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3648 return PACKET_TYPE_UNICAST;
3649 else if (!memcmp(byte_seq, bc_mac, 4))
3650 return PACKET_TYPE_BROADCAST;
3651 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3652 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3653 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3654 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3655 return PACKET_TYPE_MULTICAST;
3656
3657 return 0;
3658 }
3659
3660 static int
mwifiex_fill_coalesce_rule_info(struct mwifiex_private * priv,struct cfg80211_coalesce_rules * crule,struct mwifiex_coalesce_rule * mrule)3661 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3662 struct cfg80211_coalesce_rules *crule,
3663 struct mwifiex_coalesce_rule *mrule)
3664 {
3665 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3666 struct filt_field_param *param;
3667 int i;
3668
3669 mrule->max_coalescing_delay = crule->delay;
3670
3671 param = mrule->params;
3672
3673 for (i = 0; i < crule->n_patterns; i++) {
3674 memset(byte_seq, 0, sizeof(byte_seq));
3675 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3676 byte_seq,
3677 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3678 mwifiex_dbg(priv->adapter, ERROR,
3679 "Pattern not supported\n");
3680 return -EOPNOTSUPP;
3681 }
3682
3683 if (!crule->patterns[i].pkt_offset) {
3684 u8 pkt_type;
3685
3686 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3687 if (pkt_type && mrule->pkt_type) {
3688 mwifiex_dbg(priv->adapter, ERROR,
3689 "Multiple packet types not allowed\n");
3690 return -EOPNOTSUPP;
3691 } else if (pkt_type) {
3692 mrule->pkt_type = pkt_type;
3693 continue;
3694 }
3695 }
3696
3697 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3698 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3699 else
3700 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3701
3702 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3703 memcpy(param->operand_byte_stream, byte_seq,
3704 param->operand_len);
3705 param->offset = crule->patterns[i].pkt_offset;
3706 param++;
3707
3708 mrule->num_of_fields++;
3709 }
3710
3711 if (!mrule->pkt_type) {
3712 mwifiex_dbg(priv->adapter, ERROR,
3713 "Packet type can not be determined\n");
3714 return -EOPNOTSUPP;
3715 }
3716
3717 return 0;
3718 }
3719
mwifiex_cfg80211_set_coalesce(struct wiphy * wiphy,struct cfg80211_coalesce * coalesce)3720 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3721 struct cfg80211_coalesce *coalesce)
3722 {
3723 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3724 int i, ret;
3725 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3726 struct mwifiex_private *priv =
3727 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3728
3729 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3730 if (!coalesce) {
3731 mwifiex_dbg(adapter, WARN,
3732 "Disable coalesce and reset all previous rules\n");
3733 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3734 HostCmd_ACT_GEN_SET, 0,
3735 &coalesce_cfg, true);
3736 }
3737
3738 coalesce_cfg.num_of_rules = coalesce->n_rules;
3739 for (i = 0; i < coalesce->n_rules; i++) {
3740 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3741 &coalesce_cfg.rule[i]);
3742 if (ret) {
3743 mwifiex_dbg(adapter, ERROR,
3744 "Recheck the patterns provided for rule %d\n",
3745 i + 1);
3746 return ret;
3747 }
3748 }
3749
3750 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3751 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3752 }
3753
3754 /* cfg80211 ops handler for tdls_mgmt.
3755 * Function prepares TDLS action frame packets and forwards them to FW
3756 */
3757 static int
mwifiex_cfg80211_tdls_mgmt(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,int link_id,u8 action_code,u8 dialog_token,u16 status_code,u32 peer_capability,bool initiator,const u8 * extra_ies,size_t extra_ies_len)3758 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3759 const u8 *peer, int link_id, u8 action_code,
3760 u8 dialog_token, u16 status_code,
3761 u32 peer_capability, bool initiator,
3762 const u8 *extra_ies, size_t extra_ies_len)
3763 {
3764 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3765 int ret;
3766
3767 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3768 return -EOPNOTSUPP;
3769
3770 /* make sure we are in station mode and connected */
3771 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3772 return -EOPNOTSUPP;
3773
3774 switch (action_code) {
3775 case WLAN_TDLS_SETUP_REQUEST:
3776 mwifiex_dbg(priv->adapter, MSG,
3777 "Send TDLS Setup Request to %pM status_code=%d\n",
3778 peer, status_code);
3779 mwifiex_add_auto_tdls_peer(priv, peer);
3780 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3781 dialog_token, status_code,
3782 extra_ies, extra_ies_len);
3783 break;
3784 case WLAN_TDLS_SETUP_RESPONSE:
3785 mwifiex_add_auto_tdls_peer(priv, peer);
3786 mwifiex_dbg(priv->adapter, MSG,
3787 "Send TDLS Setup Response to %pM status_code=%d\n",
3788 peer, status_code);
3789 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3790 dialog_token, status_code,
3791 extra_ies, extra_ies_len);
3792 break;
3793 case WLAN_TDLS_SETUP_CONFIRM:
3794 mwifiex_dbg(priv->adapter, MSG,
3795 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3796 status_code);
3797 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3798 dialog_token, status_code,
3799 extra_ies, extra_ies_len);
3800 break;
3801 case WLAN_TDLS_TEARDOWN:
3802 mwifiex_dbg(priv->adapter, MSG,
3803 "Send TDLS Tear down to %pM\n", peer);
3804 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3805 dialog_token, status_code,
3806 extra_ies, extra_ies_len);
3807 break;
3808 case WLAN_TDLS_DISCOVERY_REQUEST:
3809 mwifiex_dbg(priv->adapter, MSG,
3810 "Send TDLS Discovery Request to %pM\n", peer);
3811 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3812 dialog_token, status_code,
3813 extra_ies, extra_ies_len);
3814 break;
3815 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3816 mwifiex_dbg(priv->adapter, MSG,
3817 "Send TDLS Discovery Response to %pM\n", peer);
3818 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3819 dialog_token, status_code,
3820 extra_ies, extra_ies_len);
3821 break;
3822 default:
3823 mwifiex_dbg(priv->adapter, ERROR,
3824 "Unknown TDLS mgmt/action frame %pM\n", peer);
3825 ret = -EINVAL;
3826 break;
3827 }
3828
3829 return ret;
3830 }
3831
3832 static int
mwifiex_cfg80211_tdls_oper(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,enum nl80211_tdls_operation action)3833 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3834 const u8 *peer, enum nl80211_tdls_operation action)
3835 {
3836 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3837
3838 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3839 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3840 return -EOPNOTSUPP;
3841
3842 /* make sure we are in station mode and connected */
3843 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3844 return -EOPNOTSUPP;
3845
3846 mwifiex_dbg(priv->adapter, MSG,
3847 "TDLS peer=%pM, oper=%d\n", peer, action);
3848
3849 switch (action) {
3850 case NL80211_TDLS_ENABLE_LINK:
3851 action = MWIFIEX_TDLS_ENABLE_LINK;
3852 break;
3853 case NL80211_TDLS_DISABLE_LINK:
3854 action = MWIFIEX_TDLS_DISABLE_LINK;
3855 break;
3856 case NL80211_TDLS_TEARDOWN:
3857 /* shouldn't happen!*/
3858 mwifiex_dbg(priv->adapter, ERROR,
3859 "tdls_oper: teardown from driver not supported\n");
3860 return -EINVAL;
3861 case NL80211_TDLS_SETUP:
3862 /* shouldn't happen!*/
3863 mwifiex_dbg(priv->adapter, ERROR,
3864 "tdls_oper: setup from driver not supported\n");
3865 return -EINVAL;
3866 case NL80211_TDLS_DISCOVERY_REQ:
3867 /* shouldn't happen!*/
3868 mwifiex_dbg(priv->adapter, ERROR,
3869 "tdls_oper: discovery from driver not supported\n");
3870 return -EINVAL;
3871 default:
3872 mwifiex_dbg(priv->adapter, ERROR,
3873 "tdls_oper: operation not supported\n");
3874 return -EOPNOTSUPP;
3875 }
3876
3877 return mwifiex_tdls_oper(priv, peer, action);
3878 }
3879
3880 static int
mwifiex_cfg80211_tdls_chan_switch(struct wiphy * wiphy,struct net_device * dev,const u8 * addr,u8 oper_class,struct cfg80211_chan_def * chandef)3881 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3882 const u8 *addr, u8 oper_class,
3883 struct cfg80211_chan_def *chandef)
3884 {
3885 struct mwifiex_sta_node *sta_ptr;
3886 u16 chan;
3887 u8 second_chan_offset, band;
3888 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3889
3890 spin_lock_bh(&priv->sta_list_spinlock);
3891 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3892 if (!sta_ptr) {
3893 spin_unlock_bh(&priv->sta_list_spinlock);
3894 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3895 __func__, addr);
3896 return -ENOENT;
3897 }
3898
3899 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3900 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3901 spin_unlock_bh(&priv->sta_list_spinlock);
3902 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3903 return -ENOENT;
3904 }
3905
3906 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3907 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3908 spin_unlock_bh(&priv->sta_list_spinlock);
3909 wiphy_err(wiphy, "channel switch is running, abort request\n");
3910 return -EALREADY;
3911 }
3912 spin_unlock_bh(&priv->sta_list_spinlock);
3913
3914 chan = chandef->chan->hw_value;
3915 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3916 band = chandef->chan->band;
3917 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3918
3919 return 0;
3920 }
3921
3922 static void
mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy * wiphy,struct net_device * dev,const u8 * addr)3923 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3924 struct net_device *dev,
3925 const u8 *addr)
3926 {
3927 struct mwifiex_sta_node *sta_ptr;
3928 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3929
3930 spin_lock_bh(&priv->sta_list_spinlock);
3931 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3932 if (!sta_ptr) {
3933 spin_unlock_bh(&priv->sta_list_spinlock);
3934 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3935 __func__, addr);
3936 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3937 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3938 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3939 spin_unlock_bh(&priv->sta_list_spinlock);
3940 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3941 addr);
3942 } else {
3943 spin_unlock_bh(&priv->sta_list_spinlock);
3944 mwifiex_stop_tdls_cs(priv, addr);
3945 }
3946 }
3947
3948 static int
mwifiex_cfg80211_add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)3949 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3950 const u8 *mac, struct station_parameters *params)
3951 {
3952 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3953
3954 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3955 return -EOPNOTSUPP;
3956
3957 /* make sure we are in station mode and connected */
3958 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3959 return -EOPNOTSUPP;
3960
3961 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3962 }
3963
3964 static int
mwifiex_cfg80211_channel_switch(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_csa_settings * params)3965 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3966 struct cfg80211_csa_settings *params)
3967 {
3968 struct ieee_types_header *chsw_ie;
3969 struct ieee80211_channel_sw_ie *channel_sw;
3970 int chsw_msec;
3971 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3972
3973 if (priv->adapter->scan_processing) {
3974 mwifiex_dbg(priv->adapter, ERROR,
3975 "radar detection: scan in process...\n");
3976 return -EBUSY;
3977 }
3978
3979 if (priv->wdev.cac_started)
3980 return -EBUSY;
3981
3982 if (cfg80211_chandef_identical(¶ms->chandef,
3983 &priv->dfs_chandef))
3984 return -EINVAL;
3985
3986 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3987 params->beacon_csa.tail,
3988 params->beacon_csa.tail_len);
3989 if (!chsw_ie) {
3990 mwifiex_dbg(priv->adapter, ERROR,
3991 "Could not parse channel switch announcement IE\n");
3992 return -EINVAL;
3993 }
3994
3995 channel_sw = (void *)(chsw_ie + 1);
3996 if (channel_sw->mode) {
3997 if (netif_carrier_ok(priv->netdev))
3998 netif_carrier_off(priv->netdev);
3999 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
4000 }
4001
4002 if (mwifiex_del_mgmt_ies(priv))
4003 mwifiex_dbg(priv->adapter, ERROR,
4004 "Failed to delete mgmt IEs!\n");
4005
4006 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) {
4007 mwifiex_dbg(priv->adapter, ERROR,
4008 "%s: setting mgmt ies failed\n", __func__);
4009 return -EFAULT;
4010 }
4011
4012 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef));
4013 memcpy(&priv->beacon_after, ¶ms->beacon_after,
4014 sizeof(priv->beacon_after));
4015
4016 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
4017 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
4018 msecs_to_jiffies(chsw_msec));
4019 return 0;
4020 }
4021
mwifiex_cfg80211_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id,struct cfg80211_chan_def * chandef)4022 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
4023 struct wireless_dev *wdev,
4024 unsigned int link_id,
4025 struct cfg80211_chan_def *chandef)
4026 {
4027 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4028 struct mwifiex_bssdescriptor *curr_bss;
4029 struct ieee80211_channel *chan;
4030 enum nl80211_channel_type chan_type;
4031 enum nl80211_band band;
4032 int freq;
4033 int ret = -ENODATA;
4034
4035 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
4036 cfg80211_chandef_valid(&priv->bss_chandef)) {
4037 *chandef = priv->bss_chandef;
4038 ret = 0;
4039 } else if (priv->media_connected) {
4040 curr_bss = &priv->curr_bss_params.bss_descriptor;
4041 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
4042 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
4043 chan = ieee80211_get_channel(wiphy, freq);
4044
4045 if (priv->ht_param_present) {
4046 chan_type = mwifiex_get_chan_type(priv);
4047 cfg80211_chandef_create(chandef, chan, chan_type);
4048 } else {
4049 cfg80211_chandef_create(chandef, chan,
4050 NL80211_CHAN_NO_HT);
4051 }
4052 ret = 0;
4053 }
4054
4055 return ret;
4056 }
4057
4058 #ifdef CONFIG_NL80211_TESTMODE
4059
4060 enum mwifiex_tm_attr {
4061 __MWIFIEX_TM_ATTR_INVALID = 0,
4062 MWIFIEX_TM_ATTR_CMD = 1,
4063 MWIFIEX_TM_ATTR_DATA = 2,
4064
4065 /* keep last */
4066 __MWIFIEX_TM_ATTR_AFTER_LAST,
4067 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
4068 };
4069
4070 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
4071 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
4072 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
4073 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
4074 };
4075
4076 enum mwifiex_tm_command {
4077 MWIFIEX_TM_CMD_HOSTCMD = 0,
4078 };
4079
mwifiex_tm_cmd(struct wiphy * wiphy,struct wireless_dev * wdev,void * data,int len)4080 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
4081 void *data, int len)
4082 {
4083 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4084 struct mwifiex_ds_misc_cmd *hostcmd;
4085 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
4086 struct sk_buff *skb;
4087 int err;
4088
4089 if (!priv)
4090 return -EINVAL;
4091
4092 err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len,
4093 mwifiex_tm_policy, NULL);
4094 if (err)
4095 return err;
4096
4097 if (!tb[MWIFIEX_TM_ATTR_CMD])
4098 return -EINVAL;
4099
4100 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4101 case MWIFIEX_TM_CMD_HOSTCMD:
4102 if (!tb[MWIFIEX_TM_ATTR_DATA])
4103 return -EINVAL;
4104
4105 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4106 if (!hostcmd)
4107 return -ENOMEM;
4108
4109 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4110 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4111 hostcmd->len);
4112
4113 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4114 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4115 kfree(hostcmd);
4116 return -EFAULT;
4117 }
4118
4119 /* process hostcmd response*/
4120 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4121 if (!skb) {
4122 kfree(hostcmd);
4123 return -ENOMEM;
4124 }
4125 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4126 hostcmd->len, hostcmd->cmd);
4127 if (err) {
4128 kfree(hostcmd);
4129 kfree_skb(skb);
4130 return -EMSGSIZE;
4131 }
4132
4133 err = cfg80211_testmode_reply(skb);
4134 kfree(hostcmd);
4135 return err;
4136 default:
4137 return -EOPNOTSUPP;
4138 }
4139 }
4140 #endif
4141
4142 static int
mwifiex_cfg80211_start_radar_detection(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_chan_def * chandef,u32 cac_time_ms)4143 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4144 struct net_device *dev,
4145 struct cfg80211_chan_def *chandef,
4146 u32 cac_time_ms)
4147 {
4148 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4149 struct mwifiex_radar_params radar_params;
4150
4151 if (priv->adapter->scan_processing) {
4152 mwifiex_dbg(priv->adapter, ERROR,
4153 "radar detection: scan already in process...\n");
4154 return -EBUSY;
4155 }
4156
4157 if (!mwifiex_is_11h_active(priv)) {
4158 mwifiex_dbg(priv->adapter, INFO,
4159 "Enable 11h extensions in FW\n");
4160 if (mwifiex_11h_activate(priv, true)) {
4161 mwifiex_dbg(priv->adapter, ERROR,
4162 "Failed to activate 11h extensions!!");
4163 return -1;
4164 }
4165 priv->state_11h.is_11h_active = true;
4166 }
4167
4168 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4169 radar_params.chandef = chandef;
4170 radar_params.cac_time_ms = cac_time_ms;
4171
4172 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4173
4174 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4175 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4176 return -1;
4177
4178 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4179 msecs_to_jiffies(cac_time_ms));
4180 return 0;
4181 }
4182
4183 static int
mwifiex_cfg80211_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)4184 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4185 const u8 *mac,
4186 struct station_parameters *params)
4187 {
4188 int ret;
4189 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4190
4191 /* we support change_station handler only for TDLS peers*/
4192 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4193 return -EOPNOTSUPP;
4194
4195 /* make sure we are in station mode and connected */
4196 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4197 return -EOPNOTSUPP;
4198
4199 priv->sta_params = params;
4200
4201 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4202 priv->sta_params = NULL;
4203
4204 return ret;
4205 }
4206
4207 /* station cfg80211 operations */
4208 static struct cfg80211_ops mwifiex_cfg80211_ops = {
4209 .add_virtual_intf = mwifiex_add_virtual_intf,
4210 .del_virtual_intf = mwifiex_del_virtual_intf,
4211 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4212 .scan = mwifiex_cfg80211_scan,
4213 .connect = mwifiex_cfg80211_connect,
4214 .disconnect = mwifiex_cfg80211_disconnect,
4215 .get_station = mwifiex_cfg80211_get_station,
4216 .dump_station = mwifiex_cfg80211_dump_station,
4217 .dump_survey = mwifiex_cfg80211_dump_survey,
4218 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4219 .join_ibss = mwifiex_cfg80211_join_ibss,
4220 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4221 .add_key = mwifiex_cfg80211_add_key,
4222 .del_key = mwifiex_cfg80211_del_key,
4223 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4224 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4225 .update_mgmt_frame_registrations =
4226 mwifiex_cfg80211_update_mgmt_frame_registrations,
4227 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4228 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4229 .set_default_key = mwifiex_cfg80211_set_default_key,
4230 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4231 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4232 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4233 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4234 .start_ap = mwifiex_cfg80211_start_ap,
4235 .stop_ap = mwifiex_cfg80211_stop_ap,
4236 .change_beacon = mwifiex_cfg80211_change_beacon,
4237 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4238 .set_antenna = mwifiex_cfg80211_set_antenna,
4239 .get_antenna = mwifiex_cfg80211_get_antenna,
4240 .del_station = mwifiex_cfg80211_del_station,
4241 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4242 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4243 #ifdef CONFIG_PM
4244 .suspend = mwifiex_cfg80211_suspend,
4245 .resume = mwifiex_cfg80211_resume,
4246 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4247 .set_rekey_data = mwifiex_set_rekey_data,
4248 #endif
4249 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4250 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4251 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4252 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4253 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4254 .add_station = mwifiex_cfg80211_add_station,
4255 .change_station = mwifiex_cfg80211_change_station,
4256 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4257 .get_channel = mwifiex_cfg80211_get_channel,
4258 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4259 .channel_switch = mwifiex_cfg80211_channel_switch,
4260 };
4261
4262 #ifdef CONFIG_PM
4263 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4264 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4265 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4266 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4267 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4268 .pattern_min_len = 1,
4269 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4270 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4271 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4272 };
4273
4274 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = {
4275 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4276 WIPHY_WOWLAN_NET_DETECT,
4277 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4278 .pattern_min_len = 1,
4279 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4280 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4281 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4282 };
4283 #endif
4284
mwifiex_is_valid_alpha2(const char * alpha2)4285 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4286 {
4287 if (!alpha2 || strlen(alpha2) != 2)
4288 return false;
4289
4290 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4291 return true;
4292
4293 return false;
4294 }
4295
4296 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4297 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4298 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4299 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4300 .pattern_min_len = 1,
4301 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4302 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4303 };
4304
mwifiex_init_channel_scan_gap(struct mwifiex_adapter * adapter)4305 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4306 {
4307 u32 n_channels_bg, n_channels_a = 0;
4308
4309 n_channels_bg = mwifiex_band_2ghz.n_channels;
4310
4311 if (adapter->config_bands & BAND_A)
4312 n_channels_a = mwifiex_band_5ghz.n_channels;
4313
4314 /* allocate twice the number total channels, since the driver issues an
4315 * additional active scan request for hidden SSIDs on passive channels.
4316 */
4317 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a);
4318 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats),
4319 adapter->num_in_chan_stats));
4320
4321 if (!adapter->chan_stats)
4322 return -ENOMEM;
4323
4324 return 0;
4325 }
4326
4327 /*
4328 * This function registers the device with CFG802.11 subsystem.
4329 *
4330 * The function creates the wireless device/wiphy, populates it with
4331 * default parameters and handler function pointers, and finally
4332 * registers the device.
4333 */
4334
mwifiex_register_cfg80211(struct mwifiex_adapter * adapter)4335 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4336 {
4337 int ret;
4338 void *wdev_priv;
4339 struct wiphy *wiphy;
4340 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4341 u8 *country_code;
4342 u32 thr, retry;
4343
4344 /* create a new wiphy for use with cfg80211 */
4345 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4346 sizeof(struct mwifiex_adapter *));
4347 if (!wiphy) {
4348 mwifiex_dbg(adapter, ERROR,
4349 "%s: creating new wiphy\n", __func__);
4350 return -ENOMEM;
4351 }
4352 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4353 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4354 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4355 wiphy->max_remain_on_channel_duration = 5000;
4356 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4357 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4358 BIT(NL80211_IFTYPE_P2P_GO) |
4359 BIT(NL80211_IFTYPE_AP);
4360
4361 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4362 wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
4363
4364 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
4365 if (adapter->config_bands & BAND_A)
4366 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
4367 else
4368 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4369
4370 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4371 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4372 else if (adapter->is_hw_11ac_capable)
4373 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4374 else
4375 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4376 wiphy->n_iface_combinations = 1;
4377
4378 if (adapter->max_sta_conn > adapter->max_p2p_conn)
4379 wiphy->max_ap_assoc_sta = adapter->max_sta_conn;
4380 else
4381 wiphy->max_ap_assoc_sta = adapter->max_p2p_conn;
4382
4383 /* Initialize cipher suits */
4384 wiphy->cipher_suites = mwifiex_cipher_suites;
4385 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4386
4387 if (adapter->regd) {
4388 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4389 REGULATORY_DISABLE_BEACON_HINTS |
4390 REGULATORY_COUNTRY_IE_IGNORE;
4391 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4392 }
4393
4394 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4395 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4396 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4397 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4398 WIPHY_FLAG_AP_UAPSD |
4399 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4400 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4401 WIPHY_FLAG_NETNS_OK |
4402 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4403
4404 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4405 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4406 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4407
4408 #ifdef CONFIG_PM
4409 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
4410 wiphy->wowlan = &mwifiex_wowlan_support;
4411 else
4412 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk;
4413 #endif
4414
4415 wiphy->coalesce = &mwifiex_coalesce_support;
4416
4417 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4418 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4419 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4420
4421 wiphy->max_sched_scan_reqs = 1;
4422 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4423 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4424 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4425
4426 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4427 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4428
4429 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER |
4430 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4431 NL80211_FEATURE_NEED_OBSS_SCAN;
4432
4433 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4434 wiphy->features |= NL80211_FEATURE_HT_IBSS;
4435
4436 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info))
4437 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4438 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4439 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4440
4441 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4442 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4443
4444 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4445 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4446
4447 /* Reserve space for mwifiex specific private data for BSS */
4448 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4449
4450 wiphy->reg_notifier = mwifiex_reg_notifier;
4451
4452 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4453 wdev_priv = wiphy_priv(wiphy);
4454 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4455
4456 set_wiphy_dev(wiphy, priv->adapter->dev);
4457
4458 ret = wiphy_register(wiphy);
4459 if (ret < 0) {
4460 mwifiex_dbg(adapter, ERROR,
4461 "%s: wiphy_register failed: %d\n", __func__, ret);
4462 wiphy_free(wiphy);
4463 return ret;
4464 }
4465
4466 if (!adapter->regd) {
4467 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4468 mwifiex_dbg(adapter, INFO,
4469 "driver hint alpha2: %2.2s\n", reg_alpha2);
4470 regulatory_hint(wiphy, reg_alpha2);
4471 } else {
4472 if (adapter->region_code == 0x00) {
4473 mwifiex_dbg(adapter, WARN,
4474 "Ignore world regulatory domain\n");
4475 } else {
4476 wiphy->regulatory_flags |=
4477 REGULATORY_DISABLE_BEACON_HINTS |
4478 REGULATORY_COUNTRY_IE_IGNORE;
4479 country_code =
4480 mwifiex_11d_code_2_region(
4481 adapter->region_code);
4482 if (country_code &&
4483 regulatory_hint(wiphy, country_code))
4484 mwifiex_dbg(priv->adapter, ERROR,
4485 "regulatory_hint() failed\n");
4486 }
4487 }
4488 }
4489
4490 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4491 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4492 wiphy->frag_threshold = thr;
4493 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4494 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4495 wiphy->rts_threshold = thr;
4496 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4497 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4498 wiphy->retry_short = (u8) retry;
4499 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4500 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4501 wiphy->retry_long = (u8) retry;
4502
4503 adapter->wiphy = wiphy;
4504 return ret;
4505 }
4506