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_beacon_data * data)1836 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1837 struct net_device *dev,
1838 struct cfg80211_beacon_data *data)
1839 {
1840 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1841 struct mwifiex_adapter *adapter = priv->adapter;
1842
1843 mwifiex_cancel_scan(adapter);
1844
1845 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1846 mwifiex_dbg(priv->adapter, ERROR,
1847 "%s: bss_type mismatched\n", __func__);
1848 return -EINVAL;
1849 }
1850
1851 if (!priv->bss_started) {
1852 mwifiex_dbg(priv->adapter, ERROR,
1853 "%s: bss not started\n", __func__);
1854 return -EINVAL;
1855 }
1856
1857 if (mwifiex_set_mgmt_ies(priv, data)) {
1858 mwifiex_dbg(priv->adapter, ERROR,
1859 "%s: setting mgmt ies failed\n", __func__);
1860 return -EFAULT;
1861 }
1862
1863 return 0;
1864 }
1865
1866 /* cfg80211 operation handler for del_station.
1867 * Function deauthenticates station which value is provided in mac parameter.
1868 * If mac is NULL/broadcast, all stations in associated station list are
1869 * deauthenticated. If bss is not started or there are no stations in
1870 * associated stations list, no action is taken.
1871 */
1872 static int
mwifiex_cfg80211_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)1873 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1874 struct station_del_parameters *params)
1875 {
1876 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1877 struct mwifiex_sta_node *sta_node;
1878 u8 deauth_mac[ETH_ALEN];
1879
1880 if (!priv->bss_started && priv->wdev.cac_started) {
1881 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1882 mwifiex_abort_cac(priv);
1883 }
1884
1885 if (list_empty(&priv->sta_list) || !priv->bss_started)
1886 return 0;
1887
1888 if (!params->mac || is_broadcast_ether_addr(params->mac))
1889 return 0;
1890
1891 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1892 __func__, params->mac);
1893
1894 eth_zero_addr(deauth_mac);
1895
1896 spin_lock_bh(&priv->sta_list_spinlock);
1897 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1898 if (sta_node)
1899 ether_addr_copy(deauth_mac, params->mac);
1900 spin_unlock_bh(&priv->sta_list_spinlock);
1901
1902 if (is_valid_ether_addr(deauth_mac)) {
1903 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1904 HostCmd_ACT_GEN_SET, 0,
1905 deauth_mac, true))
1906 return -1;
1907 }
1908
1909 return 0;
1910 }
1911
1912 static int
mwifiex_cfg80211_set_antenna(struct wiphy * wiphy,u32 tx_ant,u32 rx_ant)1913 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1914 {
1915 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1916 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1917 MWIFIEX_BSS_ROLE_ANY);
1918 struct mwifiex_ds_ant_cfg ant_cfg;
1919
1920 if (!tx_ant || !rx_ant)
1921 return -EOPNOTSUPP;
1922
1923 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1924 /* Not a MIMO chip. User should provide specific antenna number
1925 * for Tx/Rx path or enable all antennas for diversity
1926 */
1927 if (tx_ant != rx_ant)
1928 return -EOPNOTSUPP;
1929
1930 if ((tx_ant & (tx_ant - 1)) &&
1931 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1932 return -EOPNOTSUPP;
1933
1934 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1935 (priv->adapter->number_of_antenna > 1)) {
1936 tx_ant = RF_ANTENNA_AUTO;
1937 rx_ant = RF_ANTENNA_AUTO;
1938 }
1939 } else {
1940 struct ieee80211_sta_ht_cap *ht_info;
1941 int rx_mcs_supp;
1942 enum nl80211_band band;
1943
1944 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1945 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1946 if (adapter->is_hw_11ac_capable)
1947 adapter->usr_dot_11ac_mcs_support =
1948 MWIFIEX_11AC_MCS_MAP_1X1;
1949 } else {
1950 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1951 if (adapter->is_hw_11ac_capable)
1952 adapter->usr_dot_11ac_mcs_support =
1953 MWIFIEX_11AC_MCS_MAP_2X2;
1954 }
1955
1956 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1957 if (!adapter->wiphy->bands[band])
1958 continue;
1959
1960 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1961 rx_mcs_supp =
1962 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1963 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1964 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1965 }
1966 }
1967
1968 ant_cfg.tx_ant = tx_ant;
1969 ant_cfg.rx_ant = rx_ant;
1970
1971 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1972 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1973 }
1974
1975 static int
mwifiex_cfg80211_get_antenna(struct wiphy * wiphy,u32 * tx_ant,u32 * rx_ant)1976 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1977 {
1978 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1979 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1980 MWIFIEX_BSS_ROLE_ANY);
1981 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1982 HostCmd_ACT_GEN_GET, 0, NULL, true);
1983
1984 *tx_ant = priv->tx_ant;
1985 *rx_ant = priv->rx_ant;
1986
1987 return 0;
1988 }
1989
1990 /* cfg80211 operation handler for stop ap.
1991 * Function stops BSS running at uAP interface.
1992 */
mwifiex_cfg80211_stop_ap(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id)1993 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
1994 unsigned int link_id)
1995 {
1996 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1997
1998 mwifiex_abort_cac(priv);
1999
2000 if (mwifiex_del_mgmt_ies(priv))
2001 mwifiex_dbg(priv->adapter, ERROR,
2002 "Failed to delete mgmt IEs!\n");
2003
2004 priv->ap_11n_enabled = 0;
2005 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
2006
2007 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
2008 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
2009 mwifiex_dbg(priv->adapter, ERROR,
2010 "Failed to stop the BSS\n");
2011 return -1;
2012 }
2013
2014 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
2015 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
2016 mwifiex_dbg(priv->adapter, ERROR,
2017 "Failed to reset BSS\n");
2018 return -1;
2019 }
2020
2021 if (netif_carrier_ok(priv->netdev))
2022 netif_carrier_off(priv->netdev);
2023 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
2024
2025 return 0;
2026 }
2027
2028 /* cfg80211 operation handler for start_ap.
2029 * Function sets beacon period, DTIM period, SSID and security into
2030 * AP config structure.
2031 * AP is configured with these settings and BSS is started.
2032 */
mwifiex_cfg80211_start_ap(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_settings * params)2033 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
2034 struct net_device *dev,
2035 struct cfg80211_ap_settings *params)
2036 {
2037 struct mwifiex_uap_bss_param *bss_cfg;
2038 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2039
2040 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
2041 return -1;
2042
2043 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
2044 if (!bss_cfg)
2045 return -ENOMEM;
2046
2047 mwifiex_set_sys_config_invalid_data(bss_cfg);
2048
2049 if (params->beacon_interval)
2050 bss_cfg->beacon_period = params->beacon_interval;
2051 if (params->dtim_period)
2052 bss_cfg->dtim_period = params->dtim_period;
2053
2054 if (params->ssid && params->ssid_len) {
2055 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
2056 bss_cfg->ssid.ssid_len = params->ssid_len;
2057 }
2058 if (params->inactivity_timeout > 0) {
2059 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
2060 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
2061 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
2062 }
2063
2064 switch (params->hidden_ssid) {
2065 case NL80211_HIDDEN_SSID_NOT_IN_USE:
2066 bss_cfg->bcast_ssid_ctl = 1;
2067 break;
2068 case NL80211_HIDDEN_SSID_ZERO_LEN:
2069 bss_cfg->bcast_ssid_ctl = 0;
2070 break;
2071 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
2072 bss_cfg->bcast_ssid_ctl = 2;
2073 break;
2074 default:
2075 kfree(bss_cfg);
2076 return -EINVAL;
2077 }
2078
2079 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
2080 mwifiex_set_uap_rates(bss_cfg, params);
2081
2082 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
2083 mwifiex_dbg(priv->adapter, ERROR,
2084 "Failed to parse security parameters!\n");
2085 goto out;
2086 }
2087
2088 mwifiex_set_ht_params(priv, bss_cfg, params);
2089
2090 if (priv->adapter->is_hw_11ac_capable) {
2091 mwifiex_set_vht_params(priv, bss_cfg, params);
2092 mwifiex_set_vht_width(priv, params->chandef.width,
2093 priv->ap_11ac_enabled);
2094 }
2095
2096 if (priv->ap_11ac_enabled)
2097 mwifiex_set_11ac_ba_params(priv);
2098 else
2099 mwifiex_set_ba_params(priv);
2100
2101 mwifiex_set_wmm_params(priv, bss_cfg, params);
2102
2103 if (mwifiex_is_11h_active(priv))
2104 mwifiex_set_tpc_params(priv, bss_cfg, params);
2105
2106 if (mwifiex_is_11h_active(priv) &&
2107 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef,
2108 priv->bss_mode)) {
2109 mwifiex_dbg(priv->adapter, INFO,
2110 "Disable 11h extensions in FW\n");
2111 if (mwifiex_11h_activate(priv, false)) {
2112 mwifiex_dbg(priv->adapter, ERROR,
2113 "Failed to disable 11h extensions!!");
2114 goto out;
2115 }
2116 priv->state_11h.is_11h_active = false;
2117 }
2118
2119 mwifiex_config_uap_11d(priv, ¶ms->beacon);
2120
2121 if (mwifiex_config_start_uap(priv, bss_cfg)) {
2122 mwifiex_dbg(priv->adapter, ERROR,
2123 "Failed to start AP\n");
2124 goto out;
2125 }
2126
2127 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon))
2128 goto out;
2129
2130 if (!netif_carrier_ok(priv->netdev))
2131 netif_carrier_on(priv->netdev);
2132 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2133
2134 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2135 kfree(bss_cfg);
2136 return 0;
2137
2138 out:
2139 kfree(bss_cfg);
2140 return -1;
2141 }
2142
2143 /*
2144 * CFG802.11 operation handler for disconnection request.
2145 *
2146 * This function does not work when there is already a disconnection
2147 * procedure going on.
2148 */
2149 static int
mwifiex_cfg80211_disconnect(struct wiphy * wiphy,struct net_device * dev,u16 reason_code)2150 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2151 u16 reason_code)
2152 {
2153 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2154
2155 if (!mwifiex_stop_bg_scan(priv))
2156 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2157
2158 if (mwifiex_deauthenticate(priv, NULL))
2159 return -EFAULT;
2160
2161 eth_zero_addr(priv->cfg_bssid);
2162 priv->hs2_enabled = false;
2163
2164 return 0;
2165 }
2166
2167 /*
2168 * This function informs the CFG802.11 subsystem of a new IBSS.
2169 *
2170 * The following information are sent to the CFG802.11 subsystem
2171 * to register the new IBSS. If we do not register the new IBSS,
2172 * a kernel panic will result.
2173 * - SSID
2174 * - SSID length
2175 * - BSSID
2176 * - Channel
2177 */
mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private * priv)2178 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2179 {
2180 struct ieee80211_channel *chan;
2181 struct mwifiex_bss_info bss_info;
2182 struct cfg80211_bss *bss;
2183 int ie_len;
2184 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2185 enum nl80211_band band;
2186
2187 if (mwifiex_get_bss_info(priv, &bss_info))
2188 return -1;
2189
2190 ie_buf[0] = WLAN_EID_SSID;
2191 ie_buf[1] = bss_info.ssid.ssid_len;
2192
2193 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2194 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2195 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2196
2197 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2198 chan = ieee80211_get_channel(priv->wdev.wiphy,
2199 ieee80211_channel_to_frequency(bss_info.bss_chan,
2200 band));
2201
2202 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2203 CFG80211_BSS_FTYPE_UNKNOWN,
2204 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2205 0, ie_buf, ie_len, 0, GFP_KERNEL);
2206 if (bss) {
2207 cfg80211_put_bss(priv->wdev.wiphy, bss);
2208 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2209 }
2210
2211 return 0;
2212 }
2213
2214 /*
2215 * This function connects with a BSS.
2216 *
2217 * This function handles both Infra and Ad-Hoc modes. It also performs
2218 * validity checking on the provided parameters, disconnects from the
2219 * current BSS (if any), sets up the association/scan parameters,
2220 * including security settings, and performs specific SSID scan before
2221 * trying to connect.
2222 *
2223 * For Infra mode, the function returns failure if the specified SSID
2224 * is not found in scan table. However, for Ad-Hoc mode, it can create
2225 * the IBSS if it does not exist. On successful completion in either case,
2226 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2227 */
2228 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)2229 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2230 const u8 *ssid, const u8 *bssid, int mode,
2231 struct ieee80211_channel *channel,
2232 struct cfg80211_connect_params *sme, bool privacy,
2233 struct cfg80211_bss **sel_bss)
2234 {
2235 struct cfg80211_ssid req_ssid;
2236 int ret, auth_type = 0;
2237 struct cfg80211_bss *bss = NULL;
2238 u8 is_scanning_required = 0;
2239
2240 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2241
2242 req_ssid.ssid_len = ssid_len;
2243 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2244 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2245 return -EINVAL;
2246 }
2247
2248 memcpy(req_ssid.ssid, ssid, ssid_len);
2249 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2250 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2251 return -EINVAL;
2252 }
2253
2254 /* As this is new association, clear locally stored
2255 * keys and security related flags */
2256 priv->sec_info.wpa_enabled = false;
2257 priv->sec_info.wpa2_enabled = false;
2258 priv->wep_key_curr_index = 0;
2259 priv->sec_info.encryption_mode = 0;
2260 priv->sec_info.is_authtype_auto = 0;
2261 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2262
2263 if (mode == NL80211_IFTYPE_ADHOC) {
2264 u16 enable = true;
2265
2266 /* set ibss coalescing_status */
2267 ret = mwifiex_send_cmd(
2268 priv,
2269 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2270 HostCmd_ACT_GEN_SET, 0, &enable, true);
2271 if (ret)
2272 return ret;
2273
2274 /* "privacy" is set only for ad-hoc mode */
2275 if (privacy) {
2276 /*
2277 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2278 * the firmware can find a matching network from the
2279 * scan. The cfg80211 does not give us the encryption
2280 * mode at this stage so just setting it to WEP here.
2281 */
2282 priv->sec_info.encryption_mode =
2283 WLAN_CIPHER_SUITE_WEP104;
2284 priv->sec_info.authentication_mode =
2285 NL80211_AUTHTYPE_OPEN_SYSTEM;
2286 }
2287
2288 goto done;
2289 }
2290
2291 /* Now handle infra mode. "sme" is valid for infra mode only */
2292 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2293 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2294 priv->sec_info.is_authtype_auto = 1;
2295 } else {
2296 auth_type = sme->auth_type;
2297 }
2298
2299 if (sme->crypto.n_ciphers_pairwise) {
2300 priv->sec_info.encryption_mode =
2301 sme->crypto.ciphers_pairwise[0];
2302 priv->sec_info.authentication_mode = auth_type;
2303 }
2304
2305 if (sme->crypto.cipher_group) {
2306 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2307 priv->sec_info.authentication_mode = auth_type;
2308 }
2309 if (sme->ie)
2310 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2311
2312 if (sme->key) {
2313 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2314 mwifiex_dbg(priv->adapter, INFO,
2315 "info: setting wep encryption\t"
2316 "with key len %d\n", sme->key_len);
2317 priv->wep_key_curr_index = sme->key_idx;
2318 ret = mwifiex_set_encode(priv, NULL, sme->key,
2319 sme->key_len, sme->key_idx,
2320 NULL, 0);
2321 }
2322 }
2323 done:
2324 /*
2325 * Scan entries are valid for some time (15 sec). So we can save one
2326 * active scan time if we just try cfg80211_get_bss first. If it fails
2327 * then request scan and cfg80211_get_bss() again for final output.
2328 */
2329 while (1) {
2330 if (is_scanning_required) {
2331 /* Do specific SSID scanning */
2332 if (mwifiex_request_scan(priv, &req_ssid)) {
2333 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2334 return -EFAULT;
2335 }
2336 }
2337
2338 /* Find the BSS we want using available scan results */
2339 if (mode == NL80211_IFTYPE_ADHOC)
2340 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2341 bssid, ssid, ssid_len,
2342 IEEE80211_BSS_TYPE_IBSS,
2343 IEEE80211_PRIVACY_ANY);
2344 else
2345 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2346 bssid, ssid, ssid_len,
2347 IEEE80211_BSS_TYPE_ESS,
2348 IEEE80211_PRIVACY_ANY);
2349
2350 if (!bss) {
2351 if (is_scanning_required) {
2352 mwifiex_dbg(priv->adapter, MSG,
2353 "assoc: requested bss not found in scan results\n");
2354 break;
2355 }
2356 is_scanning_required = 1;
2357 } else {
2358 mwifiex_dbg(priv->adapter, MSG,
2359 "info: trying to associate to bssid %pM\n",
2360 bss->bssid);
2361 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2362 break;
2363 }
2364 }
2365
2366 if (bss)
2367 cfg80211_ref_bss(priv->adapter->wiphy, bss);
2368
2369 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2370 if (ret)
2371 goto cleanup;
2372
2373 if (mode == NL80211_IFTYPE_ADHOC) {
2374 /* Inform the BSS information to kernel, otherwise
2375 * kernel will give a panic after successful assoc */
2376 if (mwifiex_cfg80211_inform_ibss_bss(priv)) {
2377 ret = -EFAULT;
2378 goto cleanup;
2379 }
2380 }
2381
2382 /* Pass the selected BSS entry to caller. */
2383 if (sel_bss) {
2384 *sel_bss = bss;
2385 bss = NULL;
2386 }
2387
2388 cleanup:
2389 if (bss)
2390 cfg80211_put_bss(priv->adapter->wiphy, bss);
2391 return ret;
2392 }
2393
2394 /*
2395 * CFG802.11 operation handler for association request.
2396 *
2397 * This function does not work when the current mode is set to Ad-Hoc, or
2398 * when there is already an association procedure going on. The given BSS
2399 * information is used to associate.
2400 */
2401 static int
mwifiex_cfg80211_connect(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_connect_params * sme)2402 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2403 struct cfg80211_connect_params *sme)
2404 {
2405 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2406 struct mwifiex_adapter *adapter = priv->adapter;
2407 struct cfg80211_bss *bss = NULL;
2408 int ret;
2409
2410 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2411 mwifiex_dbg(adapter, ERROR,
2412 "%s: reject infra assoc request in non-STA role\n",
2413 dev->name);
2414 return -EINVAL;
2415 }
2416
2417 if (priv->wdev.connected) {
2418 mwifiex_dbg(adapter, ERROR,
2419 "%s: already connected\n", dev->name);
2420 return -EALREADY;
2421 }
2422
2423 if (priv->scan_block)
2424 priv->scan_block = false;
2425
2426 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) ||
2427 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) {
2428 mwifiex_dbg(adapter, ERROR,
2429 "%s: Ignore connection.\t"
2430 "Card removed or FW in bad state\n",
2431 dev->name);
2432 return -EFAULT;
2433 }
2434
2435 mwifiex_dbg(adapter, INFO,
2436 "info: Trying to associate to bssid %pM\n", sme->bssid);
2437
2438 if (!mwifiex_stop_bg_scan(priv))
2439 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2440
2441 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2442 priv->bss_mode, sme->channel, sme, 0,
2443 &bss);
2444 if (!ret) {
2445 cfg80211_connect_bss(priv->netdev, priv->cfg_bssid, bss, NULL,
2446 0, NULL, 0, WLAN_STATUS_SUCCESS,
2447 GFP_KERNEL, NL80211_TIMEOUT_UNSPECIFIED);
2448 mwifiex_dbg(priv->adapter, MSG,
2449 "info: associated to bssid %pM successfully\n",
2450 priv->cfg_bssid);
2451 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2452 priv->adapter->auto_tdls &&
2453 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2454 mwifiex_setup_auto_tdls_timer(priv);
2455 } else {
2456 mwifiex_dbg(priv->adapter, ERROR,
2457 "info: association to bssid %pM failed\n",
2458 priv->cfg_bssid);
2459 eth_zero_addr(priv->cfg_bssid);
2460
2461 if (ret > 0)
2462 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2463 NULL, 0, NULL, 0, ret,
2464 GFP_KERNEL);
2465 else
2466 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2467 NULL, 0, NULL, 0,
2468 WLAN_STATUS_UNSPECIFIED_FAILURE,
2469 GFP_KERNEL);
2470 }
2471
2472 return 0;
2473 }
2474
2475 /*
2476 * This function sets following parameters for ibss network.
2477 * - channel
2478 * - start band
2479 * - 11n flag
2480 * - secondary channel offset
2481 */
mwifiex_set_ibss_params(struct mwifiex_private * priv,struct cfg80211_ibss_params * params)2482 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2483 struct cfg80211_ibss_params *params)
2484 {
2485 struct mwifiex_adapter *adapter = priv->adapter;
2486 int index = 0, i;
2487 u8 config_bands = 0;
2488
2489 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2490 if (!params->basic_rates) {
2491 config_bands = BAND_B | BAND_G;
2492 } else {
2493 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2494 /*
2495 * Rates below 6 Mbps in the table are CCK
2496 * rates; 802.11b and from 6 they are OFDM;
2497 * 802.11G
2498 */
2499 if (mwifiex_rates[i].bitrate == 60) {
2500 index = 1 << i;
2501 break;
2502 }
2503 }
2504
2505 if (params->basic_rates < index) {
2506 config_bands = BAND_B;
2507 } else {
2508 config_bands = BAND_G;
2509 if (params->basic_rates % index)
2510 config_bands |= BAND_B;
2511 }
2512 }
2513
2514 if (cfg80211_get_chandef_type(¶ms->chandef) !=
2515 NL80211_CHAN_NO_HT)
2516 config_bands |= BAND_G | BAND_GN;
2517 } else {
2518 if (cfg80211_get_chandef_type(¶ms->chandef) ==
2519 NL80211_CHAN_NO_HT)
2520 config_bands = BAND_A;
2521 else
2522 config_bands = BAND_AN | BAND_A;
2523 }
2524
2525 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2526 adapter->config_bands = config_bands;
2527 adapter->adhoc_start_band = config_bands;
2528
2529 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2530 adapter->adhoc_11n_enabled = true;
2531 else
2532 adapter->adhoc_11n_enabled = false;
2533 }
2534
2535 adapter->sec_chan_offset =
2536 mwifiex_chan_type_to_sec_chan_offset(
2537 cfg80211_get_chandef_type(¶ms->chandef));
2538 priv->adhoc_channel = ieee80211_frequency_to_channel(
2539 params->chandef.chan->center_freq);
2540
2541 mwifiex_dbg(adapter, INFO,
2542 "info: set ibss band %d, chan %d, chan offset %d\n",
2543 config_bands, priv->adhoc_channel,
2544 adapter->sec_chan_offset);
2545
2546 return 0;
2547 }
2548
2549 /*
2550 * CFG802.11 operation handler to join an IBSS.
2551 *
2552 * This function does not work in any mode other than Ad-Hoc, or if
2553 * a join operation is already in progress.
2554 */
2555 static int
mwifiex_cfg80211_join_ibss(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ibss_params * params)2556 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2557 struct cfg80211_ibss_params *params)
2558 {
2559 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2560 int ret = 0;
2561
2562 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2563 mwifiex_dbg(priv->adapter, ERROR,
2564 "request to join ibss received\t"
2565 "when station is not in ibss mode\n");
2566 goto done;
2567 }
2568
2569 mwifiex_dbg(priv->adapter, MSG, "info: trying to join to bssid %pM\n",
2570 params->bssid);
2571
2572 mwifiex_set_ibss_params(priv, params);
2573
2574 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2575 params->bssid, priv->bss_mode,
2576 params->chandef.chan, NULL,
2577 params->privacy, NULL);
2578 done:
2579 if (!ret) {
2580 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2581 params->chandef.chan, GFP_KERNEL);
2582 mwifiex_dbg(priv->adapter, MSG,
2583 "info: joined/created adhoc network with bssid\t"
2584 "%pM successfully\n", priv->cfg_bssid);
2585 } else {
2586 mwifiex_dbg(priv->adapter, ERROR,
2587 "info: failed creating/joining adhoc network\n");
2588 }
2589
2590 return ret;
2591 }
2592
2593 /*
2594 * CFG802.11 operation handler to leave an IBSS.
2595 *
2596 * This function does not work if a leave operation is
2597 * already in progress.
2598 */
2599 static int
mwifiex_cfg80211_leave_ibss(struct wiphy * wiphy,struct net_device * dev)2600 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2601 {
2602 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2603
2604 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2605 priv->cfg_bssid);
2606 if (mwifiex_deauthenticate(priv, NULL))
2607 return -EFAULT;
2608
2609 eth_zero_addr(priv->cfg_bssid);
2610
2611 return 0;
2612 }
2613
2614 /*
2615 * CFG802.11 operation handler for scan request.
2616 *
2617 * This function issues a scan request to the firmware based upon
2618 * the user specified scan configuration. On successful completion,
2619 * it also informs the results.
2620 */
2621 static int
mwifiex_cfg80211_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)2622 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2623 struct cfg80211_scan_request *request)
2624 {
2625 struct net_device *dev = request->wdev->netdev;
2626 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2627 int i, offset, ret;
2628 struct ieee80211_channel *chan;
2629 struct ieee_types_header *ie;
2630 struct mwifiex_user_scan_cfg *user_scan_cfg;
2631 u8 mac_addr[ETH_ALEN];
2632
2633 mwifiex_dbg(priv->adapter, CMD,
2634 "info: received scan request on %s\n", dev->name);
2635
2636 /* Block scan request if scan operation or scan cleanup when interface
2637 * is disabled is in process
2638 */
2639 if (priv->scan_request || priv->scan_aborting) {
2640 mwifiex_dbg(priv->adapter, WARN,
2641 "cmd: Scan already in process..\n");
2642 return -EBUSY;
2643 }
2644
2645 if (!priv->wdev.connected && priv->scan_block)
2646 priv->scan_block = false;
2647
2648 if (!mwifiex_stop_bg_scan(priv))
2649 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2650
2651 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2652 if (!user_scan_cfg)
2653 return -ENOMEM;
2654
2655 priv->scan_request = request;
2656
2657 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2658 get_random_mask_addr(mac_addr, request->mac_addr,
2659 request->mac_addr_mask);
2660 ether_addr_copy(request->mac_addr, mac_addr);
2661 ether_addr_copy(user_scan_cfg->random_mac, mac_addr);
2662 }
2663
2664 user_scan_cfg->num_ssids = request->n_ssids;
2665 user_scan_cfg->ssid_list = request->ssids;
2666
2667 if (request->ie && request->ie_len) {
2668 offset = 0;
2669 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2670 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2671 continue;
2672 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2673 ie = (struct ieee_types_header *)(request->ie + offset);
2674 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2675 offset += sizeof(*ie) + ie->len;
2676
2677 if (offset >= request->ie_len)
2678 break;
2679 }
2680 }
2681
2682 for (i = 0; i < min_t(u32, request->n_channels,
2683 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2684 chan = request->channels[i];
2685 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2686 user_scan_cfg->chan_list[i].radio_type = chan->band;
2687
2688 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2689 user_scan_cfg->chan_list[i].scan_type =
2690 MWIFIEX_SCAN_TYPE_PASSIVE;
2691 else
2692 user_scan_cfg->chan_list[i].scan_type =
2693 MWIFIEX_SCAN_TYPE_ACTIVE;
2694
2695 user_scan_cfg->chan_list[i].scan_time = 0;
2696 }
2697
2698 if (priv->adapter->scan_chan_gap_enabled &&
2699 mwifiex_is_any_intf_active(priv))
2700 user_scan_cfg->scan_chan_gap =
2701 priv->adapter->scan_chan_gap_time;
2702
2703 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2704 kfree(user_scan_cfg);
2705 if (ret) {
2706 mwifiex_dbg(priv->adapter, ERROR,
2707 "scan failed: %d\n", ret);
2708 priv->scan_aborting = false;
2709 priv->scan_request = NULL;
2710 return ret;
2711 }
2712
2713 if (request->ie && request->ie_len) {
2714 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2715 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2716 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2717 memset(&priv->vs_ie[i].ie, 0,
2718 MWIFIEX_MAX_VSIE_LEN);
2719 }
2720 }
2721 }
2722 return 0;
2723 }
2724
2725 /* CFG802.11 operation handler for sched_scan_start.
2726 *
2727 * This function issues a bgscan config request to the firmware based upon
2728 * the user specified sched_scan configuration. On successful completion,
2729 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2730 * query command to get sched_scan results from firmware.
2731 */
2732 static int
mwifiex_cfg80211_sched_scan_start(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_sched_scan_request * request)2733 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2734 struct net_device *dev,
2735 struct cfg80211_sched_scan_request *request)
2736 {
2737 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2738 int i, offset;
2739 struct ieee80211_channel *chan;
2740 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2741 struct ieee_types_header *ie;
2742
2743 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2744 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2745 __func__);
2746 return -EINVAL;
2747 }
2748
2749 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2750 request->n_ssids, request->n_match_sets);
2751 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2752 request->n_channels, request->scan_plans->interval,
2753 (int)request->ie_len);
2754
2755 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2756 if (!bgscan_cfg)
2757 return -ENOMEM;
2758
2759 if (priv->scan_request || priv->scan_aborting)
2760 bgscan_cfg->start_later = true;
2761
2762 bgscan_cfg->num_ssids = request->n_match_sets;
2763 bgscan_cfg->ssid_list = request->match_sets;
2764
2765 if (request->ie && request->ie_len) {
2766 offset = 0;
2767 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2768 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2769 continue;
2770 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2771 ie = (struct ieee_types_header *)(request->ie + offset);
2772 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2773 offset += sizeof(*ie) + ie->len;
2774
2775 if (offset >= request->ie_len)
2776 break;
2777 }
2778 }
2779
2780 for (i = 0; i < min_t(u32, request->n_channels,
2781 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2782 chan = request->channels[i];
2783 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2784 bgscan_cfg->chan_list[i].radio_type = chan->band;
2785
2786 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2787 bgscan_cfg->chan_list[i].scan_type =
2788 MWIFIEX_SCAN_TYPE_PASSIVE;
2789 else
2790 bgscan_cfg->chan_list[i].scan_type =
2791 MWIFIEX_SCAN_TYPE_ACTIVE;
2792
2793 bgscan_cfg->chan_list[i].scan_time = 0;
2794 }
2795
2796 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2797 MWIFIEX_BG_SCAN_CHAN_MAX);
2798
2799 /* Use at least 15 second for per scan cycle */
2800 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2801 MWIFIEX_BGSCAN_INTERVAL) ?
2802 request->scan_plans->interval :
2803 MWIFIEX_BGSCAN_INTERVAL;
2804
2805 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2806 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2807 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2808 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2809 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2810 bgscan_cfg->enable = true;
2811 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2812 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2813 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2814 }
2815
2816 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2817 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2818 kfree(bgscan_cfg);
2819 return -EFAULT;
2820 }
2821
2822 priv->sched_scanning = true;
2823
2824 kfree(bgscan_cfg);
2825 return 0;
2826 }
2827
2828 /* CFG802.11 operation handler for sched_scan_stop.
2829 *
2830 * This function issues a bgscan config command to disable
2831 * previous bgscan configuration in the firmware
2832 */
mwifiex_cfg80211_sched_scan_stop(struct wiphy * wiphy,struct net_device * dev,u64 reqid)2833 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2834 struct net_device *dev, u64 reqid)
2835 {
2836 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2837
2838 wiphy_info(wiphy, "sched scan stop!");
2839 mwifiex_stop_bg_scan(priv);
2840
2841 return 0;
2842 }
2843
mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap * vht_info,struct mwifiex_private * priv)2844 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2845 struct mwifiex_private *priv)
2846 {
2847 struct mwifiex_adapter *adapter = priv->adapter;
2848
2849 vht_info->vht_supported = true;
2850
2851 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2852 /* Update MCS support for VHT */
2853 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2854 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2855 vht_info->vht_mcs.rx_highest = 0;
2856 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2857 adapter->hw_dot_11ac_mcs_support >> 16);
2858 vht_info->vht_mcs.tx_highest = 0;
2859 }
2860
2861 /*
2862 * This function sets up the CFG802.11 specific HT capability fields
2863 * with default values.
2864 *
2865 * The following default values are set -
2866 * - HT Supported = True
2867 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2868 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2869 * - HT Capabilities supported by firmware
2870 * - MCS information, Rx mask = 0xff
2871 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2872 */
2873 static void
mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap * ht_info,struct mwifiex_private * priv)2874 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2875 struct mwifiex_private *priv)
2876 {
2877 int rx_mcs_supp;
2878 struct ieee80211_mcs_info mcs_set;
2879 u8 *mcs = (u8 *)&mcs_set;
2880 struct mwifiex_adapter *adapter = priv->adapter;
2881
2882 ht_info->ht_supported = true;
2883 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2884 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2885
2886 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2887
2888 /* Fill HT capability information */
2889 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2890 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2891 else
2892 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2893
2894 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2895 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2896 else
2897 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2898
2899 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2900 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2901 else
2902 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2903
2904 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2905 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2906 else
2907 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2908
2909 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2910 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2911 else
2912 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2913
2914 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2915 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2916 else
2917 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2918
2919 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2920 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2921 else
2922 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2923
2924 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2925 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2926 else
2927 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2928
2929 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2930 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2931
2932 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2933 /* Set MCS for 1x1/2x2 */
2934 memset(mcs, 0xff, rx_mcs_supp);
2935 /* Clear all the other values */
2936 memset(&mcs[rx_mcs_supp], 0,
2937 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2938 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2939 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2940 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2941 SETHT_MCS32(mcs_set.rx_mask);
2942
2943 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2944
2945 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2946 }
2947
2948 /*
2949 * create a new virtual interface with the given name and name assign type
2950 */
mwifiex_add_virtual_intf(struct wiphy * wiphy,const char * name,unsigned char name_assign_type,enum nl80211_iftype type,struct vif_params * params)2951 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2952 const char *name,
2953 unsigned char name_assign_type,
2954 enum nl80211_iftype type,
2955 struct vif_params *params)
2956 {
2957 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2958 struct mwifiex_private *priv;
2959 struct net_device *dev;
2960 void *mdev_priv;
2961 int ret;
2962
2963 if (!adapter)
2964 return ERR_PTR(-EFAULT);
2965
2966 switch (type) {
2967 case NL80211_IFTYPE_UNSPECIFIED:
2968 case NL80211_IFTYPE_STATION:
2969 case NL80211_IFTYPE_ADHOC:
2970 if (adapter->curr_iface_comb.sta_intf ==
2971 adapter->iface_limit.sta_intf) {
2972 mwifiex_dbg(adapter, ERROR,
2973 "cannot create multiple sta/adhoc ifaces\n");
2974 return ERR_PTR(-EINVAL);
2975 }
2976
2977 priv = mwifiex_get_unused_priv_by_bss_type(
2978 adapter, MWIFIEX_BSS_TYPE_STA);
2979 if (!priv) {
2980 mwifiex_dbg(adapter, ERROR,
2981 "could not get free private struct\n");
2982 return ERR_PTR(-EFAULT);
2983 }
2984
2985 priv->wdev.wiphy = wiphy;
2986 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2987
2988 if (type == NL80211_IFTYPE_UNSPECIFIED)
2989 priv->bss_mode = NL80211_IFTYPE_STATION;
2990 else
2991 priv->bss_mode = type;
2992
2993 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2994 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2995 priv->bss_priority = 0;
2996 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2997
2998 break;
2999 case NL80211_IFTYPE_AP:
3000 if (adapter->curr_iface_comb.uap_intf ==
3001 adapter->iface_limit.uap_intf) {
3002 mwifiex_dbg(adapter, ERROR,
3003 "cannot create multiple AP ifaces\n");
3004 return ERR_PTR(-EINVAL);
3005 }
3006
3007 priv = mwifiex_get_unused_priv_by_bss_type(
3008 adapter, MWIFIEX_BSS_TYPE_UAP);
3009 if (!priv) {
3010 mwifiex_dbg(adapter, ERROR,
3011 "could not get free private struct\n");
3012 return ERR_PTR(-EFAULT);
3013 }
3014
3015 priv->wdev.wiphy = wiphy;
3016 priv->wdev.iftype = NL80211_IFTYPE_AP;
3017
3018 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
3019 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
3020 priv->bss_priority = 0;
3021 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
3022 priv->bss_started = 0;
3023 priv->bss_mode = type;
3024
3025 break;
3026 case NL80211_IFTYPE_P2P_CLIENT:
3027 if (adapter->curr_iface_comb.p2p_intf ==
3028 adapter->iface_limit.p2p_intf) {
3029 mwifiex_dbg(adapter, ERROR,
3030 "cannot create multiple P2P ifaces\n");
3031 return ERR_PTR(-EINVAL);
3032 }
3033
3034 priv = mwifiex_get_unused_priv_by_bss_type(
3035 adapter, MWIFIEX_BSS_TYPE_P2P);
3036 if (!priv) {
3037 mwifiex_dbg(adapter, ERROR,
3038 "could not get free private struct\n");
3039 return ERR_PTR(-EFAULT);
3040 }
3041
3042 priv->wdev.wiphy = wiphy;
3043 /* At start-up, wpa_supplicant tries to change the interface
3044 * to NL80211_IFTYPE_STATION if it is not managed mode.
3045 */
3046 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
3047 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
3048
3049 /* Setting bss_type to P2P tells firmware that this interface
3050 * is receiving P2P peers found during find phase and doing
3051 * action frame handshake.
3052 */
3053 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
3054
3055 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
3056 priv->bss_priority = 0;
3057 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
3058 priv->bss_started = 0;
3059
3060 if (mwifiex_cfg80211_init_p2p_client(priv)) {
3061 memset(&priv->wdev, 0, sizeof(priv->wdev));
3062 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3063 return ERR_PTR(-EFAULT);
3064 }
3065
3066 break;
3067 default:
3068 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3069 return ERR_PTR(-EINVAL);
3070 }
3071
3072 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
3073 name_assign_type, ether_setup,
3074 IEEE80211_NUM_ACS, 1);
3075 if (!dev) {
3076 mwifiex_dbg(adapter, ERROR,
3077 "no memory available for netdevice\n");
3078 ret = -ENOMEM;
3079 goto err_alloc_netdev;
3080 }
3081
3082 mwifiex_init_priv_params(priv, dev);
3083
3084 priv->netdev = dev;
3085
3086 if (!adapter->mfg_mode) {
3087 mwifiex_set_mac_address(priv, dev, false, NULL);
3088
3089 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
3090 HostCmd_ACT_GEN_SET, 0, NULL, true);
3091 if (ret)
3092 goto err_set_bss_mode;
3093
3094 ret = mwifiex_sta_init_cmd(priv, false, false);
3095 if (ret)
3096 goto err_sta_init;
3097 }
3098
3099 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
3100 if (adapter->is_hw_11ac_capable)
3101 mwifiex_setup_vht_caps(
3102 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
3103
3104 if (adapter->config_bands & BAND_A)
3105 mwifiex_setup_ht_caps(
3106 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
3107
3108 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
3109 mwifiex_setup_vht_caps(
3110 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
3111
3112 dev_net_set(dev, wiphy_net(wiphy));
3113 dev->ieee80211_ptr = &priv->wdev;
3114 dev->ieee80211_ptr->iftype = priv->bss_mode;
3115 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
3116
3117 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
3118 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
3119 dev->needed_headroom = MWIFIEX_MIN_DATA_HEADER_LEN;
3120 dev->ethtool_ops = &mwifiex_ethtool_ops;
3121
3122 mdev_priv = netdev_priv(dev);
3123 *((unsigned long *) mdev_priv) = (unsigned long) priv;
3124
3125 SET_NETDEV_DEV(dev, adapter->dev);
3126
3127 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3128 WQ_HIGHPRI |
3129 WQ_MEM_RECLAIM |
3130 WQ_UNBOUND, 0, name);
3131 if (!priv->dfs_cac_workqueue) {
3132 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n");
3133 ret = -ENOMEM;
3134 goto err_alloc_cac;
3135 }
3136
3137 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3138
3139 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3140 WQ_HIGHPRI | WQ_UNBOUND |
3141 WQ_MEM_RECLAIM, 0, name);
3142 if (!priv->dfs_chan_sw_workqueue) {
3143 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n");
3144 ret = -ENOMEM;
3145 goto err_alloc_chsw;
3146 }
3147
3148 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3149 mwifiex_dfs_chan_sw_work_queue);
3150
3151 mutex_init(&priv->async_mutex);
3152
3153 /* Register network device */
3154 if (cfg80211_register_netdevice(dev)) {
3155 mwifiex_dbg(adapter, ERROR, "cannot register network device\n");
3156 ret = -EFAULT;
3157 goto err_reg_netdev;
3158 }
3159
3160 mwifiex_dbg(adapter, INFO,
3161 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3162
3163 #ifdef CONFIG_DEBUG_FS
3164 mwifiex_dev_debugfs_init(priv);
3165 #endif
3166
3167 update_vif_type_counter(adapter, type, +1);
3168
3169 return &priv->wdev;
3170
3171 err_reg_netdev:
3172 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3173 priv->dfs_chan_sw_workqueue = NULL;
3174 err_alloc_chsw:
3175 destroy_workqueue(priv->dfs_cac_workqueue);
3176 priv->dfs_cac_workqueue = NULL;
3177 err_alloc_cac:
3178 free_netdev(dev);
3179 priv->netdev = NULL;
3180 err_sta_init:
3181 err_set_bss_mode:
3182 err_alloc_netdev:
3183 memset(&priv->wdev, 0, sizeof(priv->wdev));
3184 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3185 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3186 return ERR_PTR(ret);
3187 }
3188 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3189
3190 /*
3191 * del_virtual_intf: remove the virtual interface determined by dev
3192 */
mwifiex_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)3193 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3194 {
3195 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3196 struct mwifiex_adapter *adapter = priv->adapter;
3197 struct sk_buff *skb, *tmp;
3198
3199 #ifdef CONFIG_DEBUG_FS
3200 mwifiex_dev_debugfs_remove(priv);
3201 #endif
3202
3203 if (priv->sched_scanning)
3204 priv->sched_scanning = false;
3205
3206 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3207
3208 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3209 skb_unlink(skb, &priv->bypass_txq);
3210 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3211 }
3212
3213 if (netif_carrier_ok(priv->netdev))
3214 netif_carrier_off(priv->netdev);
3215
3216 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3217 cfg80211_unregister_netdevice(wdev->netdev);
3218
3219 if (priv->dfs_cac_workqueue) {
3220 destroy_workqueue(priv->dfs_cac_workqueue);
3221 priv->dfs_cac_workqueue = NULL;
3222 }
3223
3224 if (priv->dfs_chan_sw_workqueue) {
3225 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3226 priv->dfs_chan_sw_workqueue = NULL;
3227 }
3228 /* Clear the priv in adapter */
3229 priv->netdev = NULL;
3230
3231 update_vif_type_counter(adapter, priv->bss_mode, -1);
3232
3233 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3234
3235 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3236 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3237 kfree(priv->hist_data);
3238
3239 return 0;
3240 }
3241 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3242
3243 static bool
mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern * pat,s8 * byte_seq,u8 max_byte_seq)3244 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3245 u8 max_byte_seq)
3246 {
3247 int j, k, valid_byte_cnt = 0;
3248 bool dont_care_byte = false;
3249
3250 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3251 for (k = 0; k < 8; k++) {
3252 if (pat->mask[j] & 1 << k) {
3253 memcpy(byte_seq + valid_byte_cnt,
3254 &pat->pattern[j * 8 + k], 1);
3255 valid_byte_cnt++;
3256 if (dont_care_byte)
3257 return false;
3258 } else {
3259 if (valid_byte_cnt)
3260 dont_care_byte = true;
3261 }
3262
3263 /* wildcard bytes record as the offset
3264 * before the valid byte
3265 */
3266 if (!valid_byte_cnt && !dont_care_byte)
3267 pat->pkt_offset++;
3268
3269 if (valid_byte_cnt > max_byte_seq)
3270 return false;
3271 }
3272 }
3273
3274 byte_seq[max_byte_seq] = valid_byte_cnt;
3275
3276 return true;
3277 }
3278
3279 #ifdef CONFIG_PM
mwifiex_set_auto_arp_mef_entry(struct mwifiex_private * priv,struct mwifiex_mef_entry * mef_entry)3280 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3281 struct mwifiex_mef_entry *mef_entry)
3282 {
3283 int i, filt_num = 0, num_ipv4 = 0;
3284 struct in_device *in_dev;
3285 struct in_ifaddr *ifa;
3286 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3287 struct mwifiex_adapter *adapter = priv->adapter;
3288
3289 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3290 mef_entry->action = MEF_ACTION_AUTO_ARP;
3291
3292 /* Enable ARP offload feature */
3293 memset(ips, 0, sizeof(ips));
3294 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3295 if (adapter->priv[i]->netdev) {
3296 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3297 if (!in_dev)
3298 continue;
3299 ifa = rtnl_dereference(in_dev->ifa_list);
3300 if (!ifa || !ifa->ifa_local)
3301 continue;
3302 ips[i] = ifa->ifa_local;
3303 num_ipv4++;
3304 }
3305 }
3306
3307 for (i = 0; i < num_ipv4; i++) {
3308 if (!ips[i])
3309 continue;
3310 mef_entry->filter[filt_num].repeat = 1;
3311 memcpy(mef_entry->filter[filt_num].byte_seq,
3312 (u8 *)&ips[i], sizeof(ips[i]));
3313 mef_entry->filter[filt_num].
3314 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3315 sizeof(ips[i]);
3316 mef_entry->filter[filt_num].offset = 46;
3317 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3318 if (filt_num) {
3319 mef_entry->filter[filt_num].filt_action =
3320 TYPE_OR;
3321 }
3322 filt_num++;
3323 }
3324
3325 mef_entry->filter[filt_num].repeat = 1;
3326 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3327 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3328 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3329 mef_entry->filter[filt_num].offset = 20;
3330 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3331 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3332 }
3333
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)3334 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3335 struct mwifiex_ds_mef_cfg *mef_cfg,
3336 struct mwifiex_mef_entry *mef_entry,
3337 struct cfg80211_wowlan *wowlan)
3338 {
3339 int i, filt_num = 0, ret = 0;
3340 bool first_pat = true;
3341 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3342 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3343 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3344
3345 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3346 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3347
3348 for (i = 0; i < wowlan->n_patterns; i++) {
3349 memset(byte_seq, 0, sizeof(byte_seq));
3350 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3351 byte_seq,
3352 MWIFIEX_MEF_MAX_BYTESEQ)) {
3353 mwifiex_dbg(priv->adapter, ERROR,
3354 "Pattern not supported\n");
3355 return -EOPNOTSUPP;
3356 }
3357
3358 if (!wowlan->patterns[i].pkt_offset) {
3359 if (!(byte_seq[0] & 0x01) &&
3360 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3361 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3362 continue;
3363 } else if (is_broadcast_ether_addr(byte_seq)) {
3364 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3365 continue;
3366 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3367 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3368 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3369 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3370 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3371 continue;
3372 }
3373 }
3374 mef_entry->filter[filt_num].repeat = 1;
3375 mef_entry->filter[filt_num].offset =
3376 wowlan->patterns[i].pkt_offset;
3377 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3378 sizeof(byte_seq));
3379 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3380
3381 if (first_pat) {
3382 first_pat = false;
3383 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3384 } else {
3385 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3386 }
3387
3388 filt_num++;
3389 }
3390
3391 if (wowlan->magic_pkt) {
3392 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3393 mef_entry->filter[filt_num].repeat = 16;
3394 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3395 ETH_ALEN);
3396 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3397 ETH_ALEN;
3398 mef_entry->filter[filt_num].offset = 28;
3399 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3400 if (filt_num)
3401 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3402
3403 filt_num++;
3404 mef_entry->filter[filt_num].repeat = 16;
3405 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3406 ETH_ALEN);
3407 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3408 ETH_ALEN;
3409 mef_entry->filter[filt_num].offset = 56;
3410 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3411 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3412 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3413 }
3414 return ret;
3415 }
3416
mwifiex_set_mef_filter(struct mwifiex_private * priv,struct cfg80211_wowlan * wowlan)3417 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3418 struct cfg80211_wowlan *wowlan)
3419 {
3420 int ret = 0, num_entries = 1;
3421 struct mwifiex_ds_mef_cfg mef_cfg;
3422 struct mwifiex_mef_entry *mef_entry;
3423
3424 if (wowlan->n_patterns || wowlan->magic_pkt)
3425 num_entries++;
3426
3427 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3428 if (!mef_entry)
3429 return -ENOMEM;
3430
3431 memset(&mef_cfg, 0, sizeof(mef_cfg));
3432 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3433 MWIFIEX_CRITERIA_UNICAST;
3434 mef_cfg.num_entries = num_entries;
3435 mef_cfg.mef_entry = mef_entry;
3436
3437 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3438
3439 if (wowlan->n_patterns || wowlan->magic_pkt) {
3440 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3441 &mef_entry[1], wowlan);
3442 if (ret)
3443 goto err;
3444 }
3445
3446 if (!mef_cfg.criteria)
3447 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3448 MWIFIEX_CRITERIA_UNICAST |
3449 MWIFIEX_CRITERIA_MULTICAST;
3450
3451 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3452 HostCmd_ACT_GEN_SET, 0,
3453 &mef_cfg, true);
3454
3455 err:
3456 kfree(mef_entry);
3457 return ret;
3458 }
3459
mwifiex_cfg80211_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wowlan)3460 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3461 struct cfg80211_wowlan *wowlan)
3462 {
3463 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3464 struct mwifiex_ds_hs_cfg hs_cfg;
3465 int i, ret = 0, retry_num = 10;
3466 struct mwifiex_private *priv;
3467 struct mwifiex_private *sta_priv =
3468 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3469
3470 sta_priv->scan_aborting = true;
3471 for (i = 0; i < adapter->priv_num; i++) {
3472 priv = adapter->priv[i];
3473 mwifiex_abort_cac(priv);
3474 }
3475
3476 mwifiex_cancel_all_pending_cmd(adapter);
3477
3478 for (i = 0; i < adapter->priv_num; i++) {
3479 priv = adapter->priv[i];
3480 if (priv && priv->netdev)
3481 netif_device_detach(priv->netdev);
3482 }
3483
3484 for (i = 0; i < retry_num; i++) {
3485 if (!mwifiex_wmm_lists_empty(adapter) ||
3486 !mwifiex_bypass_txlist_empty(adapter) ||
3487 !skb_queue_empty(&adapter->tx_data_q))
3488 usleep_range(10000, 15000);
3489 else
3490 break;
3491 }
3492
3493 if (!wowlan) {
3494 mwifiex_dbg(adapter, INFO,
3495 "None of the WOWLAN triggers enabled\n");
3496 ret = 0;
3497 goto done;
3498 }
3499
3500 if (!sta_priv->media_connected && !wowlan->nd_config) {
3501 mwifiex_dbg(adapter, ERROR,
3502 "Can not configure WOWLAN in disconnected state\n");
3503 ret = 0;
3504 goto done;
3505 }
3506
3507 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3508 if (ret) {
3509 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3510 goto done;
3511 }
3512
3513 memset(&hs_cfg, 0, sizeof(hs_cfg));
3514 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3515
3516 if (wowlan->nd_config) {
3517 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3518 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3519 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3520 wowlan->nd_config);
3521 }
3522
3523 if (wowlan->disconnect) {
3524 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3525 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3526 }
3527
3528 hs_cfg.is_invoke_hostcmd = false;
3529 hs_cfg.gpio = adapter->hs_cfg.gpio;
3530 hs_cfg.gap = adapter->hs_cfg.gap;
3531 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3532 MWIFIEX_SYNC_CMD, &hs_cfg);
3533 if (ret)
3534 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3535
3536 done:
3537 sta_priv->scan_aborting = false;
3538 return ret;
3539 }
3540
mwifiex_cfg80211_resume(struct wiphy * wiphy)3541 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3542 {
3543 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3544 struct mwifiex_private *priv;
3545 struct mwifiex_ds_wakeup_reason wakeup_reason;
3546 struct cfg80211_wowlan_wakeup wakeup_report;
3547 int i;
3548 bool report_wakeup_reason = true;
3549
3550 for (i = 0; i < adapter->priv_num; i++) {
3551 priv = adapter->priv[i];
3552 if (priv && priv->netdev)
3553 netif_device_attach(priv->netdev);
3554 }
3555
3556 if (!wiphy->wowlan_config)
3557 goto done;
3558
3559 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3560 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3561 &wakeup_reason);
3562 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3563
3564 wakeup_report.pattern_idx = -1;
3565
3566 switch (wakeup_reason.hs_wakeup_reason) {
3567 case NO_HSWAKEUP_REASON:
3568 break;
3569 case BCAST_DATA_MATCHED:
3570 break;
3571 case MCAST_DATA_MATCHED:
3572 break;
3573 case UCAST_DATA_MATCHED:
3574 break;
3575 case MASKTABLE_EVENT_MATCHED:
3576 break;
3577 case NON_MASKABLE_EVENT_MATCHED:
3578 if (wiphy->wowlan_config->disconnect)
3579 wakeup_report.disconnect = true;
3580 if (wiphy->wowlan_config->nd_config)
3581 wakeup_report.net_detect = adapter->nd_info;
3582 break;
3583 case NON_MASKABLE_CONDITION_MATCHED:
3584 break;
3585 case MAGIC_PATTERN_MATCHED:
3586 if (wiphy->wowlan_config->magic_pkt)
3587 wakeup_report.magic_pkt = true;
3588 if (wiphy->wowlan_config->n_patterns)
3589 wakeup_report.pattern_idx = 1;
3590 break;
3591 case GTK_REKEY_FAILURE:
3592 if (wiphy->wowlan_config->gtk_rekey_failure)
3593 wakeup_report.gtk_rekey_failure = true;
3594 break;
3595 default:
3596 report_wakeup_reason = false;
3597 break;
3598 }
3599
3600 if (report_wakeup_reason)
3601 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3602 GFP_KERNEL);
3603
3604 done:
3605 if (adapter->nd_info) {
3606 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3607 kfree(adapter->nd_info->matches[i]);
3608 kfree(adapter->nd_info);
3609 adapter->nd_info = NULL;
3610 }
3611
3612 return 0;
3613 }
3614
mwifiex_cfg80211_set_wakeup(struct wiphy * wiphy,bool enabled)3615 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3616 bool enabled)
3617 {
3618 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3619
3620 device_set_wakeup_enable(adapter->dev, enabled);
3621 }
3622
mwifiex_set_rekey_data(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_gtk_rekey_data * data)3623 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3624 struct cfg80211_gtk_rekey_data *data)
3625 {
3626 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3627
3628 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
3629 return -EOPNOTSUPP;
3630
3631 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3632 HostCmd_ACT_GEN_SET, 0, data, true);
3633 }
3634
3635 #endif
3636
mwifiex_get_coalesce_pkt_type(u8 * byte_seq)3637 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3638 {
3639 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3640 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3641 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3642
3643 if ((byte_seq[0] & 0x01) &&
3644 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3645 return PACKET_TYPE_UNICAST;
3646 else if (!memcmp(byte_seq, bc_mac, 4))
3647 return PACKET_TYPE_BROADCAST;
3648 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3649 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3650 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3651 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3652 return PACKET_TYPE_MULTICAST;
3653
3654 return 0;
3655 }
3656
3657 static int
mwifiex_fill_coalesce_rule_info(struct mwifiex_private * priv,struct cfg80211_coalesce_rules * crule,struct mwifiex_coalesce_rule * mrule)3658 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3659 struct cfg80211_coalesce_rules *crule,
3660 struct mwifiex_coalesce_rule *mrule)
3661 {
3662 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3663 struct filt_field_param *param;
3664 int i;
3665
3666 mrule->max_coalescing_delay = crule->delay;
3667
3668 param = mrule->params;
3669
3670 for (i = 0; i < crule->n_patterns; i++) {
3671 memset(byte_seq, 0, sizeof(byte_seq));
3672 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3673 byte_seq,
3674 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3675 mwifiex_dbg(priv->adapter, ERROR,
3676 "Pattern not supported\n");
3677 return -EOPNOTSUPP;
3678 }
3679
3680 if (!crule->patterns[i].pkt_offset) {
3681 u8 pkt_type;
3682
3683 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3684 if (pkt_type && mrule->pkt_type) {
3685 mwifiex_dbg(priv->adapter, ERROR,
3686 "Multiple packet types not allowed\n");
3687 return -EOPNOTSUPP;
3688 } else if (pkt_type) {
3689 mrule->pkt_type = pkt_type;
3690 continue;
3691 }
3692 }
3693
3694 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3695 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3696 else
3697 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3698
3699 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3700 memcpy(param->operand_byte_stream, byte_seq,
3701 param->operand_len);
3702 param->offset = crule->patterns[i].pkt_offset;
3703 param++;
3704
3705 mrule->num_of_fields++;
3706 }
3707
3708 if (!mrule->pkt_type) {
3709 mwifiex_dbg(priv->adapter, ERROR,
3710 "Packet type can not be determined\n");
3711 return -EOPNOTSUPP;
3712 }
3713
3714 return 0;
3715 }
3716
mwifiex_cfg80211_set_coalesce(struct wiphy * wiphy,struct cfg80211_coalesce * coalesce)3717 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3718 struct cfg80211_coalesce *coalesce)
3719 {
3720 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3721 int i, ret;
3722 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3723 struct mwifiex_private *priv =
3724 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3725
3726 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3727 if (!coalesce) {
3728 mwifiex_dbg(adapter, WARN,
3729 "Disable coalesce and reset all previous rules\n");
3730 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3731 HostCmd_ACT_GEN_SET, 0,
3732 &coalesce_cfg, true);
3733 }
3734
3735 coalesce_cfg.num_of_rules = coalesce->n_rules;
3736 for (i = 0; i < coalesce->n_rules; i++) {
3737 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3738 &coalesce_cfg.rule[i]);
3739 if (ret) {
3740 mwifiex_dbg(adapter, ERROR,
3741 "Recheck the patterns provided for rule %d\n",
3742 i + 1);
3743 return ret;
3744 }
3745 }
3746
3747 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3748 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3749 }
3750
3751 /* cfg80211 ops handler for tdls_mgmt.
3752 * Function prepares TDLS action frame packets and forwards them to FW
3753 */
3754 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)3755 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3756 const u8 *peer, int link_id, u8 action_code,
3757 u8 dialog_token, u16 status_code,
3758 u32 peer_capability, bool initiator,
3759 const u8 *extra_ies, size_t extra_ies_len)
3760 {
3761 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3762 int ret;
3763
3764 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3765 return -EOPNOTSUPP;
3766
3767 /* make sure we are in station mode and connected */
3768 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3769 return -EOPNOTSUPP;
3770
3771 switch (action_code) {
3772 case WLAN_TDLS_SETUP_REQUEST:
3773 mwifiex_dbg(priv->adapter, MSG,
3774 "Send TDLS Setup Request to %pM status_code=%d\n",
3775 peer, status_code);
3776 mwifiex_add_auto_tdls_peer(priv, peer);
3777 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3778 dialog_token, status_code,
3779 extra_ies, extra_ies_len);
3780 break;
3781 case WLAN_TDLS_SETUP_RESPONSE:
3782 mwifiex_add_auto_tdls_peer(priv, peer);
3783 mwifiex_dbg(priv->adapter, MSG,
3784 "Send TDLS Setup Response to %pM status_code=%d\n",
3785 peer, status_code);
3786 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3787 dialog_token, status_code,
3788 extra_ies, extra_ies_len);
3789 break;
3790 case WLAN_TDLS_SETUP_CONFIRM:
3791 mwifiex_dbg(priv->adapter, MSG,
3792 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3793 status_code);
3794 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3795 dialog_token, status_code,
3796 extra_ies, extra_ies_len);
3797 break;
3798 case WLAN_TDLS_TEARDOWN:
3799 mwifiex_dbg(priv->adapter, MSG,
3800 "Send TDLS Tear down to %pM\n", peer);
3801 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3802 dialog_token, status_code,
3803 extra_ies, extra_ies_len);
3804 break;
3805 case WLAN_TDLS_DISCOVERY_REQUEST:
3806 mwifiex_dbg(priv->adapter, MSG,
3807 "Send TDLS Discovery Request to %pM\n", peer);
3808 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3809 dialog_token, status_code,
3810 extra_ies, extra_ies_len);
3811 break;
3812 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3813 mwifiex_dbg(priv->adapter, MSG,
3814 "Send TDLS Discovery Response to %pM\n", peer);
3815 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3816 dialog_token, status_code,
3817 extra_ies, extra_ies_len);
3818 break;
3819 default:
3820 mwifiex_dbg(priv->adapter, ERROR,
3821 "Unknown TDLS mgmt/action frame %pM\n", peer);
3822 ret = -EINVAL;
3823 break;
3824 }
3825
3826 return ret;
3827 }
3828
3829 static int
mwifiex_cfg80211_tdls_oper(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,enum nl80211_tdls_operation action)3830 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3831 const u8 *peer, enum nl80211_tdls_operation action)
3832 {
3833 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3834
3835 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3836 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3837 return -EOPNOTSUPP;
3838
3839 /* make sure we are in station mode and connected */
3840 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3841 return -EOPNOTSUPP;
3842
3843 mwifiex_dbg(priv->adapter, MSG,
3844 "TDLS peer=%pM, oper=%d\n", peer, action);
3845
3846 switch (action) {
3847 case NL80211_TDLS_ENABLE_LINK:
3848 action = MWIFIEX_TDLS_ENABLE_LINK;
3849 break;
3850 case NL80211_TDLS_DISABLE_LINK:
3851 action = MWIFIEX_TDLS_DISABLE_LINK;
3852 break;
3853 case NL80211_TDLS_TEARDOWN:
3854 /* shouldn't happen!*/
3855 mwifiex_dbg(priv->adapter, ERROR,
3856 "tdls_oper: teardown from driver not supported\n");
3857 return -EINVAL;
3858 case NL80211_TDLS_SETUP:
3859 /* shouldn't happen!*/
3860 mwifiex_dbg(priv->adapter, ERROR,
3861 "tdls_oper: setup from driver not supported\n");
3862 return -EINVAL;
3863 case NL80211_TDLS_DISCOVERY_REQ:
3864 /* shouldn't happen!*/
3865 mwifiex_dbg(priv->adapter, ERROR,
3866 "tdls_oper: discovery from driver not supported\n");
3867 return -EINVAL;
3868 default:
3869 mwifiex_dbg(priv->adapter, ERROR,
3870 "tdls_oper: operation not supported\n");
3871 return -EOPNOTSUPP;
3872 }
3873
3874 return mwifiex_tdls_oper(priv, peer, action);
3875 }
3876
3877 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)3878 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3879 const u8 *addr, u8 oper_class,
3880 struct cfg80211_chan_def *chandef)
3881 {
3882 struct mwifiex_sta_node *sta_ptr;
3883 u16 chan;
3884 u8 second_chan_offset, band;
3885 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3886
3887 spin_lock_bh(&priv->sta_list_spinlock);
3888 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3889 if (!sta_ptr) {
3890 spin_unlock_bh(&priv->sta_list_spinlock);
3891 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3892 __func__, addr);
3893 return -ENOENT;
3894 }
3895
3896 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3897 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3898 spin_unlock_bh(&priv->sta_list_spinlock);
3899 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3900 return -ENOENT;
3901 }
3902
3903 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3904 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3905 spin_unlock_bh(&priv->sta_list_spinlock);
3906 wiphy_err(wiphy, "channel switch is running, abort request\n");
3907 return -EALREADY;
3908 }
3909 spin_unlock_bh(&priv->sta_list_spinlock);
3910
3911 chan = chandef->chan->hw_value;
3912 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3913 band = chandef->chan->band;
3914 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3915
3916 return 0;
3917 }
3918
3919 static void
mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy * wiphy,struct net_device * dev,const u8 * addr)3920 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3921 struct net_device *dev,
3922 const u8 *addr)
3923 {
3924 struct mwifiex_sta_node *sta_ptr;
3925 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3926
3927 spin_lock_bh(&priv->sta_list_spinlock);
3928 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3929 if (!sta_ptr) {
3930 spin_unlock_bh(&priv->sta_list_spinlock);
3931 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3932 __func__, addr);
3933 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3934 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3935 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3936 spin_unlock_bh(&priv->sta_list_spinlock);
3937 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3938 addr);
3939 } else {
3940 spin_unlock_bh(&priv->sta_list_spinlock);
3941 mwifiex_stop_tdls_cs(priv, addr);
3942 }
3943 }
3944
3945 static int
mwifiex_cfg80211_add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)3946 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3947 const u8 *mac, struct station_parameters *params)
3948 {
3949 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3950
3951 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3952 return -EOPNOTSUPP;
3953
3954 /* make sure we are in station mode and connected */
3955 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3956 return -EOPNOTSUPP;
3957
3958 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3959 }
3960
3961 static int
mwifiex_cfg80211_channel_switch(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_csa_settings * params)3962 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3963 struct cfg80211_csa_settings *params)
3964 {
3965 struct ieee_types_header *chsw_ie;
3966 struct ieee80211_channel_sw_ie *channel_sw;
3967 int chsw_msec;
3968 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3969
3970 if (priv->adapter->scan_processing) {
3971 mwifiex_dbg(priv->adapter, ERROR,
3972 "radar detection: scan in process...\n");
3973 return -EBUSY;
3974 }
3975
3976 if (priv->wdev.cac_started)
3977 return -EBUSY;
3978
3979 if (cfg80211_chandef_identical(¶ms->chandef,
3980 &priv->dfs_chandef))
3981 return -EINVAL;
3982
3983 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3984 params->beacon_csa.tail,
3985 params->beacon_csa.tail_len);
3986 if (!chsw_ie) {
3987 mwifiex_dbg(priv->adapter, ERROR,
3988 "Could not parse channel switch announcement IE\n");
3989 return -EINVAL;
3990 }
3991
3992 channel_sw = (void *)(chsw_ie + 1);
3993 if (channel_sw->mode) {
3994 if (netif_carrier_ok(priv->netdev))
3995 netif_carrier_off(priv->netdev);
3996 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3997 }
3998
3999 if (mwifiex_del_mgmt_ies(priv))
4000 mwifiex_dbg(priv->adapter, ERROR,
4001 "Failed to delete mgmt IEs!\n");
4002
4003 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) {
4004 mwifiex_dbg(priv->adapter, ERROR,
4005 "%s: setting mgmt ies failed\n", __func__);
4006 return -EFAULT;
4007 }
4008
4009 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef));
4010 memcpy(&priv->beacon_after, ¶ms->beacon_after,
4011 sizeof(priv->beacon_after));
4012
4013 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
4014 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
4015 msecs_to_jiffies(chsw_msec));
4016 return 0;
4017 }
4018
mwifiex_cfg80211_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id,struct cfg80211_chan_def * chandef)4019 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
4020 struct wireless_dev *wdev,
4021 unsigned int link_id,
4022 struct cfg80211_chan_def *chandef)
4023 {
4024 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4025 struct mwifiex_bssdescriptor *curr_bss;
4026 struct ieee80211_channel *chan;
4027 enum nl80211_channel_type chan_type;
4028 enum nl80211_band band;
4029 int freq;
4030 int ret = -ENODATA;
4031
4032 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
4033 cfg80211_chandef_valid(&priv->bss_chandef)) {
4034 *chandef = priv->bss_chandef;
4035 ret = 0;
4036 } else if (priv->media_connected) {
4037 curr_bss = &priv->curr_bss_params.bss_descriptor;
4038 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
4039 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
4040 chan = ieee80211_get_channel(wiphy, freq);
4041
4042 if (priv->ht_param_present) {
4043 chan_type = mwifiex_get_chan_type(priv);
4044 cfg80211_chandef_create(chandef, chan, chan_type);
4045 } else {
4046 cfg80211_chandef_create(chandef, chan,
4047 NL80211_CHAN_NO_HT);
4048 }
4049 ret = 0;
4050 }
4051
4052 return ret;
4053 }
4054
4055 #ifdef CONFIG_NL80211_TESTMODE
4056
4057 enum mwifiex_tm_attr {
4058 __MWIFIEX_TM_ATTR_INVALID = 0,
4059 MWIFIEX_TM_ATTR_CMD = 1,
4060 MWIFIEX_TM_ATTR_DATA = 2,
4061
4062 /* keep last */
4063 __MWIFIEX_TM_ATTR_AFTER_LAST,
4064 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
4065 };
4066
4067 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
4068 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
4069 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
4070 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
4071 };
4072
4073 enum mwifiex_tm_command {
4074 MWIFIEX_TM_CMD_HOSTCMD = 0,
4075 };
4076
mwifiex_tm_cmd(struct wiphy * wiphy,struct wireless_dev * wdev,void * data,int len)4077 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
4078 void *data, int len)
4079 {
4080 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4081 struct mwifiex_ds_misc_cmd *hostcmd;
4082 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
4083 struct sk_buff *skb;
4084 int err;
4085
4086 if (!priv)
4087 return -EINVAL;
4088
4089 err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len,
4090 mwifiex_tm_policy, NULL);
4091 if (err)
4092 return err;
4093
4094 if (!tb[MWIFIEX_TM_ATTR_CMD])
4095 return -EINVAL;
4096
4097 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4098 case MWIFIEX_TM_CMD_HOSTCMD:
4099 if (!tb[MWIFIEX_TM_ATTR_DATA])
4100 return -EINVAL;
4101
4102 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4103 if (!hostcmd)
4104 return -ENOMEM;
4105
4106 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4107 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4108 hostcmd->len);
4109
4110 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4111 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4112 kfree(hostcmd);
4113 return -EFAULT;
4114 }
4115
4116 /* process hostcmd response*/
4117 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4118 if (!skb) {
4119 kfree(hostcmd);
4120 return -ENOMEM;
4121 }
4122 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4123 hostcmd->len, hostcmd->cmd);
4124 if (err) {
4125 kfree(hostcmd);
4126 kfree_skb(skb);
4127 return -EMSGSIZE;
4128 }
4129
4130 err = cfg80211_testmode_reply(skb);
4131 kfree(hostcmd);
4132 return err;
4133 default:
4134 return -EOPNOTSUPP;
4135 }
4136 }
4137 #endif
4138
4139 static int
mwifiex_cfg80211_start_radar_detection(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_chan_def * chandef,u32 cac_time_ms)4140 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4141 struct net_device *dev,
4142 struct cfg80211_chan_def *chandef,
4143 u32 cac_time_ms)
4144 {
4145 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4146 struct mwifiex_radar_params radar_params;
4147
4148 if (priv->adapter->scan_processing) {
4149 mwifiex_dbg(priv->adapter, ERROR,
4150 "radar detection: scan already in process...\n");
4151 return -EBUSY;
4152 }
4153
4154 if (!mwifiex_is_11h_active(priv)) {
4155 mwifiex_dbg(priv->adapter, INFO,
4156 "Enable 11h extensions in FW\n");
4157 if (mwifiex_11h_activate(priv, true)) {
4158 mwifiex_dbg(priv->adapter, ERROR,
4159 "Failed to activate 11h extensions!!");
4160 return -1;
4161 }
4162 priv->state_11h.is_11h_active = true;
4163 }
4164
4165 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4166 radar_params.chandef = chandef;
4167 radar_params.cac_time_ms = cac_time_ms;
4168
4169 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4170
4171 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4172 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4173 return -1;
4174
4175 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4176 msecs_to_jiffies(cac_time_ms));
4177 return 0;
4178 }
4179
4180 static int
mwifiex_cfg80211_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)4181 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4182 const u8 *mac,
4183 struct station_parameters *params)
4184 {
4185 int ret;
4186 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4187
4188 /* we support change_station handler only for TDLS peers*/
4189 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4190 return -EOPNOTSUPP;
4191
4192 /* make sure we are in station mode and connected */
4193 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4194 return -EOPNOTSUPP;
4195
4196 priv->sta_params = params;
4197
4198 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4199 priv->sta_params = NULL;
4200
4201 return ret;
4202 }
4203
4204 /* station cfg80211 operations */
4205 static struct cfg80211_ops mwifiex_cfg80211_ops = {
4206 .add_virtual_intf = mwifiex_add_virtual_intf,
4207 .del_virtual_intf = mwifiex_del_virtual_intf,
4208 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4209 .scan = mwifiex_cfg80211_scan,
4210 .connect = mwifiex_cfg80211_connect,
4211 .disconnect = mwifiex_cfg80211_disconnect,
4212 .get_station = mwifiex_cfg80211_get_station,
4213 .dump_station = mwifiex_cfg80211_dump_station,
4214 .dump_survey = mwifiex_cfg80211_dump_survey,
4215 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4216 .join_ibss = mwifiex_cfg80211_join_ibss,
4217 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4218 .add_key = mwifiex_cfg80211_add_key,
4219 .del_key = mwifiex_cfg80211_del_key,
4220 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4221 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4222 .update_mgmt_frame_registrations =
4223 mwifiex_cfg80211_update_mgmt_frame_registrations,
4224 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4225 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4226 .set_default_key = mwifiex_cfg80211_set_default_key,
4227 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4228 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4229 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4230 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4231 .start_ap = mwifiex_cfg80211_start_ap,
4232 .stop_ap = mwifiex_cfg80211_stop_ap,
4233 .change_beacon = mwifiex_cfg80211_change_beacon,
4234 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4235 .set_antenna = mwifiex_cfg80211_set_antenna,
4236 .get_antenna = mwifiex_cfg80211_get_antenna,
4237 .del_station = mwifiex_cfg80211_del_station,
4238 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4239 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4240 #ifdef CONFIG_PM
4241 .suspend = mwifiex_cfg80211_suspend,
4242 .resume = mwifiex_cfg80211_resume,
4243 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4244 .set_rekey_data = mwifiex_set_rekey_data,
4245 #endif
4246 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4247 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4248 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4249 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4250 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4251 .add_station = mwifiex_cfg80211_add_station,
4252 .change_station = mwifiex_cfg80211_change_station,
4253 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4254 .get_channel = mwifiex_cfg80211_get_channel,
4255 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4256 .channel_switch = mwifiex_cfg80211_channel_switch,
4257 };
4258
4259 #ifdef CONFIG_PM
4260 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4261 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4262 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4263 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4264 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4265 .pattern_min_len = 1,
4266 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4267 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4268 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4269 };
4270
4271 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = {
4272 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4273 WIPHY_WOWLAN_NET_DETECT,
4274 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4275 .pattern_min_len = 1,
4276 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4277 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4278 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4279 };
4280 #endif
4281
mwifiex_is_valid_alpha2(const char * alpha2)4282 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4283 {
4284 if (!alpha2 || strlen(alpha2) != 2)
4285 return false;
4286
4287 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4288 return true;
4289
4290 return false;
4291 }
4292
4293 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4294 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4295 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4296 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4297 .pattern_min_len = 1,
4298 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4299 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4300 };
4301
mwifiex_init_channel_scan_gap(struct mwifiex_adapter * adapter)4302 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4303 {
4304 u32 n_channels_bg, n_channels_a = 0;
4305
4306 n_channels_bg = mwifiex_band_2ghz.n_channels;
4307
4308 if (adapter->config_bands & BAND_A)
4309 n_channels_a = mwifiex_band_5ghz.n_channels;
4310
4311 /* allocate twice the number total channels, since the driver issues an
4312 * additional active scan request for hidden SSIDs on passive channels.
4313 */
4314 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a);
4315 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats),
4316 adapter->num_in_chan_stats));
4317
4318 if (!adapter->chan_stats)
4319 return -ENOMEM;
4320
4321 return 0;
4322 }
4323
4324 /*
4325 * This function registers the device with CFG802.11 subsystem.
4326 *
4327 * The function creates the wireless device/wiphy, populates it with
4328 * default parameters and handler function pointers, and finally
4329 * registers the device.
4330 */
4331
mwifiex_register_cfg80211(struct mwifiex_adapter * adapter)4332 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4333 {
4334 int ret;
4335 void *wdev_priv;
4336 struct wiphy *wiphy;
4337 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4338 u8 *country_code;
4339 u32 thr, retry;
4340
4341 /* create a new wiphy for use with cfg80211 */
4342 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4343 sizeof(struct mwifiex_adapter *));
4344 if (!wiphy) {
4345 mwifiex_dbg(adapter, ERROR,
4346 "%s: creating new wiphy\n", __func__);
4347 return -ENOMEM;
4348 }
4349 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4350 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4351 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4352 wiphy->max_remain_on_channel_duration = 5000;
4353 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4354 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4355 BIT(NL80211_IFTYPE_P2P_GO) |
4356 BIT(NL80211_IFTYPE_AP);
4357
4358 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4359 wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
4360
4361 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
4362 if (adapter->config_bands & BAND_A)
4363 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
4364 else
4365 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4366
4367 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4368 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4369 else if (adapter->is_hw_11ac_capable)
4370 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4371 else
4372 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4373 wiphy->n_iface_combinations = 1;
4374
4375 if (adapter->max_sta_conn > adapter->max_p2p_conn)
4376 wiphy->max_ap_assoc_sta = adapter->max_sta_conn;
4377 else
4378 wiphy->max_ap_assoc_sta = adapter->max_p2p_conn;
4379
4380 /* Initialize cipher suits */
4381 wiphy->cipher_suites = mwifiex_cipher_suites;
4382 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4383
4384 if (adapter->regd) {
4385 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4386 REGULATORY_DISABLE_BEACON_HINTS |
4387 REGULATORY_COUNTRY_IE_IGNORE;
4388 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4389 }
4390
4391 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4392 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4393 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4394 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4395 WIPHY_FLAG_AP_UAPSD |
4396 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4397 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4398 WIPHY_FLAG_NETNS_OK |
4399 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4400
4401 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4402 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4403 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4404
4405 #ifdef CONFIG_PM
4406 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
4407 wiphy->wowlan = &mwifiex_wowlan_support;
4408 else
4409 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk;
4410 #endif
4411
4412 wiphy->coalesce = &mwifiex_coalesce_support;
4413
4414 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4415 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4416 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4417
4418 wiphy->max_sched_scan_reqs = 1;
4419 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4420 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4421 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4422
4423 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4424 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4425
4426 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER |
4427 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4428 NL80211_FEATURE_NEED_OBSS_SCAN;
4429
4430 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4431 wiphy->features |= NL80211_FEATURE_HT_IBSS;
4432
4433 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info))
4434 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4435 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4436 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4437
4438 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4439 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4440
4441 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4442 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4443
4444 /* Reserve space for mwifiex specific private data for BSS */
4445 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4446
4447 wiphy->reg_notifier = mwifiex_reg_notifier;
4448
4449 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4450 wdev_priv = wiphy_priv(wiphy);
4451 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4452
4453 set_wiphy_dev(wiphy, priv->adapter->dev);
4454
4455 ret = wiphy_register(wiphy);
4456 if (ret < 0) {
4457 mwifiex_dbg(adapter, ERROR,
4458 "%s: wiphy_register failed: %d\n", __func__, ret);
4459 wiphy_free(wiphy);
4460 return ret;
4461 }
4462
4463 if (!adapter->regd) {
4464 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4465 mwifiex_dbg(adapter, INFO,
4466 "driver hint alpha2: %2.2s\n", reg_alpha2);
4467 regulatory_hint(wiphy, reg_alpha2);
4468 } else {
4469 if (adapter->region_code == 0x00) {
4470 mwifiex_dbg(adapter, WARN,
4471 "Ignore world regulatory domain\n");
4472 } else {
4473 wiphy->regulatory_flags |=
4474 REGULATORY_DISABLE_BEACON_HINTS |
4475 REGULATORY_COUNTRY_IE_IGNORE;
4476 country_code =
4477 mwifiex_11d_code_2_region(
4478 adapter->region_code);
4479 if (country_code &&
4480 regulatory_hint(wiphy, country_code))
4481 mwifiex_dbg(priv->adapter, ERROR,
4482 "regulatory_hint() failed\n");
4483 }
4484 }
4485 }
4486
4487 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4488 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4489 wiphy->frag_threshold = thr;
4490 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4491 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4492 wiphy->rts_threshold = thr;
4493 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4494 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4495 wiphy->retry_short = (u8) retry;
4496 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4497 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4498 wiphy->retry_long = (u8) retry;
4499
4500 adapter->wiphy = wiphy;
4501 return ret;
4502 }
4503
