1 /*
2 * NXP Wireless LAN device driver: CFG80211
3 *
4 * Copyright 2011-2020 NXP
5 *
6 * This software file (the "File") is distributed by NXP
7 * under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20 #include "cfg80211.h"
21 #include "main.h"
22 #include "11n.h"
23 #include "wmm.h"
24
25 static char *reg_alpha2;
26 module_param(reg_alpha2, charp, 0);
27
28 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
29 {
30 .max = MWIFIEX_MAX_BSS_NUM,
31 .types = BIT(NL80211_IFTYPE_STATION) |
32 BIT(NL80211_IFTYPE_P2P_GO) |
33 BIT(NL80211_IFTYPE_P2P_CLIENT) |
34 BIT(NL80211_IFTYPE_AP),
35 },
36 };
37
38 static const struct ieee80211_iface_combination
39 mwifiex_iface_comb_ap_sta = {
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 };
49
50 static const struct ieee80211_iface_combination
51 mwifiex_iface_comb_ap_sta_vht = {
52 .limits = mwifiex_ap_sta_limits,
53 .num_different_channels = 1,
54 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
55 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
56 .beacon_int_infra_match = true,
57 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
58 BIT(NL80211_CHAN_WIDTH_20) |
59 BIT(NL80211_CHAN_WIDTH_40) |
60 BIT(NL80211_CHAN_WIDTH_80),
61 };
62
63 static const struct
64 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
65 .limits = mwifiex_ap_sta_limits,
66 .num_different_channels = 2,
67 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
68 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
69 .beacon_int_infra_match = true,
70 };
71
72 /*
73 * This function maps the nl802.11 channel type into driver channel type.
74 *
75 * The mapping is as follows -
76 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
77 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
78 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
79 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
80 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
81 */
mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)82 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
83 {
84 switch (chan_type) {
85 case NL80211_CHAN_NO_HT:
86 case NL80211_CHAN_HT20:
87 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
88 case NL80211_CHAN_HT40PLUS:
89 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
90 case NL80211_CHAN_HT40MINUS:
91 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
92 default:
93 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
94 }
95 }
96
97 /* This function maps IEEE HT secondary channel type to NL80211 channel type
98 */
mwifiex_get_chan_type(struct mwifiex_private * priv)99 u8 mwifiex_get_chan_type(struct mwifiex_private *priv)
100 {
101 struct mwifiex_channel_band channel_band;
102 int ret;
103
104 ret = mwifiex_get_chan_info(priv, &channel_band);
105
106 if (!ret) {
107 switch (channel_band.band_config.chan_width) {
108 case CHAN_BW_20MHZ:
109 if (IS_11N_ENABLED(priv))
110 return NL80211_CHAN_HT20;
111 else
112 return NL80211_CHAN_NO_HT;
113 case CHAN_BW_40MHZ:
114 if (channel_band.band_config.chan2_offset ==
115 SEC_CHAN_ABOVE)
116 return NL80211_CHAN_HT40PLUS;
117 else
118 return NL80211_CHAN_HT40MINUS;
119 default:
120 return NL80211_CHAN_HT20;
121 }
122 }
123
124 return NL80211_CHAN_HT20;
125 }
126
127 /*
128 * This function checks whether WEP is set.
129 */
130 static int
mwifiex_is_alg_wep(u32 cipher)131 mwifiex_is_alg_wep(u32 cipher)
132 {
133 switch (cipher) {
134 case WLAN_CIPHER_SUITE_WEP40:
135 case WLAN_CIPHER_SUITE_WEP104:
136 return 1;
137 default:
138 break;
139 }
140
141 return 0;
142 }
143
144 /*
145 * This function retrieves the private structure from kernel wiphy structure.
146 */
mwifiex_cfg80211_get_adapter(struct wiphy * wiphy)147 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
148 {
149 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
150 }
151
152 /*
153 * CFG802.11 operation handler to delete a network key.
154 */
155 static int
mwifiex_cfg80211_del_key(struct wiphy * wiphy,struct net_device * netdev,u8 key_index,bool pairwise,const u8 * mac_addr)156 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
157 u8 key_index, bool pairwise, const u8 *mac_addr)
158 {
159 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
160 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
161 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
162
163 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
164 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
165 return -EFAULT;
166 }
167
168 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
169 return 0;
170 }
171
172 /*
173 * This function forms an skb for management frame.
174 */
175 static int
mwifiex_form_mgmt_frame(struct sk_buff * skb,const u8 * buf,size_t len)176 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
177 {
178 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
179 u16 pkt_len;
180 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
181
182 pkt_len = len + ETH_ALEN;
183
184 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
185 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
186 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
187
188 memcpy(skb_push(skb, sizeof(tx_control)),
189 &tx_control, sizeof(tx_control));
190
191 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
192
193 /* Add packet data and address4 */
194 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr));
195 skb_put_data(skb, addr, ETH_ALEN);
196 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr),
197 len - sizeof(struct ieee80211_hdr_3addr));
198
199 skb->priority = LOW_PRIO_TID;
200 __net_timestamp(skb);
201
202 return 0;
203 }
204
205 /*
206 * CFG802.11 operation handler to transmit a management frame.
207 */
208 static int
mwifiex_cfg80211_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)209 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
210 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
211 {
212 const u8 *buf = params->buf;
213 size_t len = params->len;
214 struct sk_buff *skb;
215 u16 pkt_len;
216 const struct ieee80211_mgmt *mgmt;
217 struct mwifiex_txinfo *tx_info;
218 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
219
220 if (!buf || !len) {
221 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
222 return -EFAULT;
223 }
224
225 mgmt = (const struct ieee80211_mgmt *)buf;
226 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
227 ieee80211_is_probe_resp(mgmt->frame_control)) {
228 /* Since we support offload probe resp, we need to skip probe
229 * resp in AP or GO mode */
230 mwifiex_dbg(priv->adapter, INFO,
231 "info: skip to send probe resp in AP or GO mode\n");
232 return 0;
233 }
234
235 pkt_len = len + ETH_ALEN;
236 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
237 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
238 pkt_len + sizeof(pkt_len));
239
240 if (!skb) {
241 mwifiex_dbg(priv->adapter, ERROR,
242 "allocate skb failed for management frame\n");
243 return -ENOMEM;
244 }
245
246 tx_info = MWIFIEX_SKB_TXCB(skb);
247 memset(tx_info, 0, sizeof(*tx_info));
248 tx_info->bss_num = priv->bss_num;
249 tx_info->bss_type = priv->bss_type;
250 tx_info->pkt_len = pkt_len;
251
252 mwifiex_form_mgmt_frame(skb, buf, len);
253 *cookie = prandom_u32() | 1;
254
255 if (ieee80211_is_action(mgmt->frame_control))
256 skb = mwifiex_clone_skb_for_tx_status(priv,
257 skb,
258 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
259 else
260 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
261 GFP_ATOMIC);
262
263 mwifiex_queue_tx_pkt(priv, skb);
264
265 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
266 return 0;
267 }
268
269 /*
270 * CFG802.11 operation handler to register a mgmt frame.
271 */
272 static void
mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy * wiphy,struct wireless_dev * wdev,struct mgmt_frame_regs * upd)273 mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
274 struct wireless_dev *wdev,
275 struct mgmt_frame_regs *upd)
276 {
277 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
278 u32 mask = upd->interface_stypes;
279
280 if (mask != priv->mgmt_frame_mask) {
281 priv->mgmt_frame_mask = mask;
282 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
283 HostCmd_ACT_GEN_SET, 0,
284 &priv->mgmt_frame_mask, false);
285 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
286 }
287 }
288
289 /*
290 * CFG802.11 operation handler to remain on channel.
291 */
292 static int
mwifiex_cfg80211_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,struct ieee80211_channel * chan,unsigned int duration,u64 * cookie)293 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
294 struct wireless_dev *wdev,
295 struct ieee80211_channel *chan,
296 unsigned int duration, u64 *cookie)
297 {
298 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
299 int ret;
300
301 if (!chan || !cookie) {
302 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
303 return -EINVAL;
304 }
305
306 if (priv->roc_cfg.cookie) {
307 mwifiex_dbg(priv->adapter, INFO,
308 "info: ongoing ROC, cookie = 0x%llx\n",
309 priv->roc_cfg.cookie);
310 return -EBUSY;
311 }
312
313 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
314 duration);
315
316 if (!ret) {
317 *cookie = prandom_u32() | 1;
318 priv->roc_cfg.cookie = *cookie;
319 priv->roc_cfg.chan = *chan;
320
321 cfg80211_ready_on_channel(wdev, *cookie, chan,
322 duration, GFP_ATOMIC);
323
324 mwifiex_dbg(priv->adapter, INFO,
325 "info: ROC, cookie = 0x%llx\n", *cookie);
326 }
327
328 return ret;
329 }
330
331 /*
332 * CFG802.11 operation handler to cancel remain on channel.
333 */
334 static int
mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)335 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
336 struct wireless_dev *wdev, u64 cookie)
337 {
338 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
339 int ret;
340
341 if (cookie != priv->roc_cfg.cookie)
342 return -ENOENT;
343
344 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
345 &priv->roc_cfg.chan, 0);
346
347 if (!ret) {
348 cfg80211_remain_on_channel_expired(wdev, cookie,
349 &priv->roc_cfg.chan,
350 GFP_ATOMIC);
351
352 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
353
354 mwifiex_dbg(priv->adapter, INFO,
355 "info: cancel ROC, cookie = 0x%llx\n", cookie);
356 }
357
358 return ret;
359 }
360
361 /*
362 * CFG802.11 operation handler to set Tx power.
363 */
364 static int
mwifiex_cfg80211_set_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,enum nl80211_tx_power_setting type,int mbm)365 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
366 struct wireless_dev *wdev,
367 enum nl80211_tx_power_setting type,
368 int mbm)
369 {
370 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
371 struct mwifiex_private *priv;
372 struct mwifiex_power_cfg power_cfg;
373 int dbm = MBM_TO_DBM(mbm);
374
375 switch (type) {
376 case NL80211_TX_POWER_FIXED:
377 power_cfg.is_power_auto = 0;
378 power_cfg.is_power_fixed = 1;
379 power_cfg.power_level = dbm;
380 break;
381 case NL80211_TX_POWER_LIMITED:
382 power_cfg.is_power_auto = 0;
383 power_cfg.is_power_fixed = 0;
384 power_cfg.power_level = dbm;
385 break;
386 case NL80211_TX_POWER_AUTOMATIC:
387 power_cfg.is_power_auto = 1;
388 break;
389 }
390
391 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
392
393 return mwifiex_set_tx_power(priv, &power_cfg);
394 }
395
396 /*
397 * CFG802.11 operation handler to get Tx power.
398 */
399 static int
mwifiex_cfg80211_get_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int * dbm)400 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
401 struct wireless_dev *wdev,
402 int *dbm)
403 {
404 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
405 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
406 MWIFIEX_BSS_ROLE_ANY);
407 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
408 HostCmd_ACT_GEN_GET, 0, NULL, true);
409
410 if (ret < 0)
411 return ret;
412
413 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
414 *dbm = priv->tx_power_level;
415
416 return 0;
417 }
418
419 /*
420 * CFG802.11 operation handler to set Power Save option.
421 *
422 * The timeout value, if provided, is currently ignored.
423 */
424 static int
mwifiex_cfg80211_set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)425 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
426 struct net_device *dev,
427 bool enabled, int timeout)
428 {
429 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
430 u32 ps_mode;
431
432 if (timeout)
433 mwifiex_dbg(priv->adapter, INFO,
434 "info: ignore timeout value for IEEE Power Save\n");
435
436 ps_mode = enabled;
437
438 return mwifiex_drv_set_power(priv, &ps_mode);
439 }
440
441 /*
442 * CFG802.11 operation handler to set the default network key.
443 */
444 static int
mwifiex_cfg80211_set_default_key(struct wiphy * wiphy,struct net_device * netdev,u8 key_index,bool unicast,bool multicast)445 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
446 u8 key_index, bool unicast,
447 bool multicast)
448 {
449 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
450
451 /* Return if WEP key not configured */
452 if (!priv->sec_info.wep_enabled)
453 return 0;
454
455 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
456 priv->wep_key_curr_index = key_index;
457 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
458 NULL, 0)) {
459 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
460 return -EFAULT;
461 }
462
463 return 0;
464 }
465
466 /*
467 * CFG802.11 operation handler to add a network key.
468 */
469 static int
mwifiex_cfg80211_add_key(struct wiphy * wiphy,struct net_device * netdev,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)470 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
471 u8 key_index, bool pairwise, const u8 *mac_addr,
472 struct key_params *params)
473 {
474 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
475 struct mwifiex_wep_key *wep_key;
476 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
477 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
478
479 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
480 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
481 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
482 if (params->key && params->key_len) {
483 wep_key = &priv->wep_key[key_index];
484 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
485 memcpy(wep_key->key_material, params->key,
486 params->key_len);
487 wep_key->key_index = key_index;
488 wep_key->key_length = params->key_len;
489 priv->sec_info.wep_enabled = 1;
490 }
491 return 0;
492 }
493
494 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
495 key_index, peer_mac, 0)) {
496 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
497 return -EFAULT;
498 }
499
500 return 0;
501 }
502
503 /*
504 * CFG802.11 operation handler to set default mgmt key.
505 */
506 static int
mwifiex_cfg80211_set_default_mgmt_key(struct wiphy * wiphy,struct net_device * netdev,u8 key_index)507 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
508 struct net_device *netdev,
509 u8 key_index)
510 {
511 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
512 struct mwifiex_ds_encrypt_key encrypt_key;
513
514 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);
515
516 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
517 encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
518 encrypt_key.key_index = key_index;
519 encrypt_key.is_igtk_def_key = true;
520 eth_broadcast_addr(encrypt_key.mac_addr);
521
522 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
523 HostCmd_ACT_GEN_SET, true, &encrypt_key, true);
524 }
525
526 /*
527 * This function sends domain information to the firmware.
528 *
529 * The following information are passed to the firmware -
530 * - Country codes
531 * - Sub bands (first channel, number of channels, maximum Tx power)
532 */
mwifiex_send_domain_info_cmd_fw(struct wiphy * wiphy)533 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
534 {
535 u8 no_of_triplet = 0;
536 struct ieee80211_country_ie_triplet *t;
537 u8 no_of_parsed_chan = 0;
538 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
539 u8 i, flag = 0;
540 enum nl80211_band band;
541 struct ieee80211_supported_band *sband;
542 struct ieee80211_channel *ch;
543 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
544 struct mwifiex_private *priv;
545 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
546
547 /* Set country code */
548 domain_info->country_code[0] = adapter->country_code[0];
549 domain_info->country_code[1] = adapter->country_code[1];
550 domain_info->country_code[2] = ' ';
551
552 band = mwifiex_band_to_radio_type(adapter->config_bands);
553 if (!wiphy->bands[band]) {
554 mwifiex_dbg(adapter, ERROR,
555 "11D: setting domain info in FW\n");
556 return -1;
557 }
558
559 sband = wiphy->bands[band];
560
561 for (i = 0; i < sband->n_channels ; i++) {
562 ch = &sband->channels[i];
563 if (ch->flags & IEEE80211_CHAN_DISABLED)
564 continue;
565
566 if (!flag) {
567 flag = 1;
568 first_chan = (u32) ch->hw_value;
569 next_chan = first_chan;
570 max_pwr = ch->max_power;
571 no_of_parsed_chan = 1;
572 continue;
573 }
574
575 if (ch->hw_value == next_chan + 1 &&
576 ch->max_power == max_pwr) {
577 next_chan++;
578 no_of_parsed_chan++;
579 } else {
580 t = &domain_info->triplet[no_of_triplet];
581 t->chans.first_channel = first_chan;
582 t->chans.num_channels = no_of_parsed_chan;
583 t->chans.max_power = max_pwr;
584 no_of_triplet++;
585 first_chan = (u32) ch->hw_value;
586 next_chan = first_chan;
587 max_pwr = ch->max_power;
588 no_of_parsed_chan = 1;
589 }
590 }
591
592 if (flag) {
593 t = &domain_info->triplet[no_of_triplet];
594 t->chans.first_channel = first_chan;
595 t->chans.num_channels = no_of_parsed_chan;
596 t->chans.max_power = max_pwr;
597 no_of_triplet++;
598 }
599
600 domain_info->no_of_triplet = no_of_triplet;
601
602 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
603
604 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
605 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
606 mwifiex_dbg(adapter, INFO,
607 "11D: setting domain info in FW\n");
608 return -1;
609 }
610
611 return 0;
612 }
613
mwifiex_reg_apply_radar_flags(struct wiphy * wiphy)614 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
615 {
616 struct ieee80211_supported_band *sband;
617 struct ieee80211_channel *chan;
618 unsigned int i;
619
620 if (!wiphy->bands[NL80211_BAND_5GHZ])
621 return;
622 sband = wiphy->bands[NL80211_BAND_5GHZ];
623
624 for (i = 0; i < sband->n_channels; i++) {
625 chan = &sband->channels[i];
626 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
627 (chan->flags & IEEE80211_CHAN_RADAR))
628 chan->flags |= IEEE80211_CHAN_NO_IR;
629 }
630 }
631
632 /*
633 * CFG802.11 regulatory domain callback function.
634 *
635 * This function is called when the regulatory domain is changed due to the
636 * following reasons -
637 * - Set by driver
638 * - Set by system core
639 * - Set by user
640 * - Set bt Country IE
641 */
mwifiex_reg_notifier(struct wiphy * wiphy,struct regulatory_request * request)642 static void mwifiex_reg_notifier(struct wiphy *wiphy,
643 struct regulatory_request *request)
644 {
645 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
646 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
647 MWIFIEX_BSS_ROLE_ANY);
648 mwifiex_dbg(adapter, INFO,
649 "info: cfg80211 regulatory domain callback for %c%c\n",
650 request->alpha2[0], request->alpha2[1]);
651 mwifiex_reg_apply_radar_flags(wiphy);
652
653 switch (request->initiator) {
654 case NL80211_REGDOM_SET_BY_DRIVER:
655 case NL80211_REGDOM_SET_BY_CORE:
656 case NL80211_REGDOM_SET_BY_USER:
657 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
658 break;
659 default:
660 mwifiex_dbg(adapter, ERROR,
661 "unknown regdom initiator: %d\n",
662 request->initiator);
663 return;
664 }
665
666 /* Don't send world or same regdom info to firmware */
667 if (strncmp(request->alpha2, "00", 2) &&
668 strncmp(request->alpha2, adapter->country_code,
669 sizeof(request->alpha2))) {
670 memcpy(adapter->country_code, request->alpha2,
671 sizeof(request->alpha2));
672 mwifiex_send_domain_info_cmd_fw(wiphy);
673 mwifiex_dnld_txpwr_table(priv);
674 }
675 }
676
677 /*
678 * This function sets the fragmentation threshold.
679 *
680 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
681 * and MWIFIEX_FRAG_MAX_VALUE.
682 */
683 static int
mwifiex_set_frag(struct mwifiex_private * priv,u32 frag_thr)684 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
685 {
686 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
687 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
688 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
689
690 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
691 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
692 &frag_thr, true);
693 }
694
695 /*
696 * This function sets the RTS threshold.
697
698 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
699 * and MWIFIEX_RTS_MAX_VALUE.
700 */
701 static int
mwifiex_set_rts(struct mwifiex_private * priv,u32 rts_thr)702 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
703 {
704 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
705 rts_thr = MWIFIEX_RTS_MAX_VALUE;
706
707 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
708 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
709 &rts_thr, true);
710 }
711
712 /*
713 * CFG802.11 operation handler to set wiphy parameters.
714 *
715 * This function can be used to set the RTS threshold and the
716 * Fragmentation threshold of the driver.
717 */
718 static int
mwifiex_cfg80211_set_wiphy_params(struct wiphy * wiphy,u32 changed)719 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
720 {
721 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
722 struct mwifiex_private *priv;
723 struct mwifiex_uap_bss_param *bss_cfg;
724 int ret;
725
726 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
727
728 switch (priv->bss_role) {
729 case MWIFIEX_BSS_ROLE_UAP:
730 if (priv->bss_started) {
731 mwifiex_dbg(adapter, ERROR,
732 "cannot change wiphy params when bss started");
733 return -EINVAL;
734 }
735
736 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
737 if (!bss_cfg)
738 return -ENOMEM;
739
740 mwifiex_set_sys_config_invalid_data(bss_cfg);
741
742 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
743 bss_cfg->rts_threshold = wiphy->rts_threshold;
744 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
745 bss_cfg->frag_threshold = wiphy->frag_threshold;
746 if (changed & WIPHY_PARAM_RETRY_LONG)
747 bss_cfg->retry_limit = wiphy->retry_long;
748
749 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
750 HostCmd_ACT_GEN_SET,
751 UAP_BSS_PARAMS_I, bss_cfg,
752 false);
753
754 kfree(bss_cfg);
755 if (ret) {
756 mwifiex_dbg(adapter, ERROR,
757 "Failed to set wiphy phy params\n");
758 return ret;
759 }
760 break;
761
762 case MWIFIEX_BSS_ROLE_STA:
763 if (priv->media_connected) {
764 mwifiex_dbg(adapter, ERROR,
765 "cannot change wiphy params when connected");
766 return -EINVAL;
767 }
768 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
769 ret = mwifiex_set_rts(priv,
770 wiphy->rts_threshold);
771 if (ret)
772 return ret;
773 }
774 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
775 ret = mwifiex_set_frag(priv,
776 wiphy->frag_threshold);
777 if (ret)
778 return ret;
779 }
780 break;
781 }
782
783 return 0;
784 }
785
786 static int
mwifiex_cfg80211_deinit_p2p(struct mwifiex_private * priv)787 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
788 {
789 u16 mode = P2P_MODE_DISABLE;
790
791 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
792 HostCmd_ACT_GEN_SET, 0, &mode, true))
793 return -1;
794
795 return 0;
796 }
797
798 /*
799 * This function initializes the functionalities for P2P client.
800 * The P2P client initialization sequence is:
801 * disable -> device -> client
802 */
803 static int
mwifiex_cfg80211_init_p2p_client(struct mwifiex_private * priv)804 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
805 {
806 u16 mode;
807
808 if (mwifiex_cfg80211_deinit_p2p(priv))
809 return -1;
810
811 mode = P2P_MODE_DEVICE;
812 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
813 HostCmd_ACT_GEN_SET, 0, &mode, true))
814 return -1;
815
816 mode = P2P_MODE_CLIENT;
817 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
818 HostCmd_ACT_GEN_SET, 0, &mode, true))
819 return -1;
820
821 return 0;
822 }
823
824 /*
825 * This function initializes the functionalities for P2P GO.
826 * The P2P GO initialization sequence is:
827 * disable -> device -> GO
828 */
829 static int
mwifiex_cfg80211_init_p2p_go(struct mwifiex_private * priv)830 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
831 {
832 u16 mode;
833
834 if (mwifiex_cfg80211_deinit_p2p(priv))
835 return -1;
836
837 mode = P2P_MODE_DEVICE;
838 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
839 HostCmd_ACT_GEN_SET, 0, &mode, true))
840 return -1;
841
842 mode = P2P_MODE_GO;
843 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
844 HostCmd_ACT_GEN_SET, 0, &mode, true))
845 return -1;
846
847 return 0;
848 }
849
mwifiex_deinit_priv_params(struct mwifiex_private * priv)850 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
851 {
852 struct mwifiex_adapter *adapter = priv->adapter;
853 unsigned long flags;
854
855 priv->mgmt_frame_mask = 0;
856 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
857 HostCmd_ACT_GEN_SET, 0,
858 &priv->mgmt_frame_mask, false)) {
859 mwifiex_dbg(adapter, ERROR,
860 "could not unregister mgmt frame rx\n");
861 return -1;
862 }
863
864 mwifiex_deauthenticate(priv, NULL);
865
866 spin_lock_irqsave(&adapter->main_proc_lock, flags);
867 adapter->main_locked = true;
868 if (adapter->mwifiex_processing) {
869 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
870 flush_workqueue(adapter->workqueue);
871 } else {
872 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
873 }
874
875 spin_lock_bh(&adapter->rx_proc_lock);
876 adapter->rx_locked = true;
877 if (adapter->rx_processing) {
878 spin_unlock_bh(&adapter->rx_proc_lock);
879 flush_workqueue(adapter->rx_workqueue);
880 } else {
881 spin_unlock_bh(&adapter->rx_proc_lock);
882 }
883
884 mwifiex_free_priv(priv);
885 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
886 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
887 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
888
889 return 0;
890 }
891
892 static int
mwifiex_init_new_priv_params(struct mwifiex_private * priv,struct net_device * dev,enum nl80211_iftype type)893 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
894 struct net_device *dev,
895 enum nl80211_iftype type)
896 {
897 struct mwifiex_adapter *adapter = priv->adapter;
898 unsigned long flags;
899
900 mwifiex_init_priv(priv);
901
902 priv->bss_mode = type;
903 priv->wdev.iftype = type;
904
905 mwifiex_init_priv_params(priv, priv->netdev);
906 priv->bss_started = 0;
907
908 switch (type) {
909 case NL80211_IFTYPE_STATION:
910 case NL80211_IFTYPE_ADHOC:
911 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
912 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
913 break;
914 case NL80211_IFTYPE_P2P_CLIENT:
915 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
916 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
917 break;
918 case NL80211_IFTYPE_P2P_GO:
919 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
920 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
921 break;
922 case NL80211_IFTYPE_AP:
923 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
924 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
925 break;
926 default:
927 mwifiex_dbg(adapter, ERROR,
928 "%s: changing to %d not supported\n",
929 dev->name, type);
930 return -EOPNOTSUPP;
931 }
932
933 spin_lock_irqsave(&adapter->main_proc_lock, flags);
934 adapter->main_locked = false;
935 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
936
937 spin_lock_bh(&adapter->rx_proc_lock);
938 adapter->rx_locked = false;
939 spin_unlock_bh(&adapter->rx_proc_lock);
940
941 mwifiex_set_mac_address(priv, dev, false, NULL);
942
943 return 0;
944 }
945
946 static int
mwifiex_change_vif_to_p2p(struct net_device * dev,enum nl80211_iftype curr_iftype,enum nl80211_iftype type,struct vif_params * params)947 mwifiex_change_vif_to_p2p(struct net_device *dev,
948 enum nl80211_iftype curr_iftype,
949 enum nl80211_iftype type,
950 struct vif_params *params)
951 {
952 struct mwifiex_private *priv;
953 struct mwifiex_adapter *adapter;
954
955 priv = mwifiex_netdev_get_priv(dev);
956
957 if (!priv)
958 return -1;
959
960 adapter = priv->adapter;
961
962 if (adapter->curr_iface_comb.p2p_intf ==
963 adapter->iface_limit.p2p_intf) {
964 mwifiex_dbg(adapter, ERROR,
965 "cannot create multiple P2P ifaces\n");
966 return -1;
967 }
968
969 mwifiex_dbg(adapter, INFO,
970 "%s: changing role to p2p\n", dev->name);
971
972 if (mwifiex_deinit_priv_params(priv))
973 return -1;
974 if (mwifiex_init_new_priv_params(priv, dev, type))
975 return -1;
976
977 switch (type) {
978 case NL80211_IFTYPE_P2P_CLIENT:
979 if (mwifiex_cfg80211_init_p2p_client(priv))
980 return -EFAULT;
981 break;
982 case NL80211_IFTYPE_P2P_GO:
983 if (mwifiex_cfg80211_init_p2p_go(priv))
984 return -EFAULT;
985 break;
986 default:
987 mwifiex_dbg(adapter, ERROR,
988 "%s: changing to %d not supported\n",
989 dev->name, type);
990 return -EOPNOTSUPP;
991 }
992
993 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
994 HostCmd_ACT_GEN_SET, 0, NULL, true))
995 return -1;
996
997 if (mwifiex_sta_init_cmd(priv, false, false))
998 return -1;
999
1000 switch (curr_iftype) {
1001 case NL80211_IFTYPE_STATION:
1002 case NL80211_IFTYPE_ADHOC:
1003 adapter->curr_iface_comb.sta_intf--;
1004 break;
1005 case NL80211_IFTYPE_AP:
1006 adapter->curr_iface_comb.uap_intf--;
1007 break;
1008 default:
1009 break;
1010 }
1011
1012 adapter->curr_iface_comb.p2p_intf++;
1013 dev->ieee80211_ptr->iftype = type;
1014
1015 return 0;
1016 }
1017
1018 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)1019 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
1020 enum nl80211_iftype curr_iftype,
1021 enum nl80211_iftype type,
1022 struct vif_params *params)
1023 {
1024 struct mwifiex_private *priv;
1025 struct mwifiex_adapter *adapter;
1026
1027 priv = mwifiex_netdev_get_priv(dev);
1028
1029 if (!priv)
1030 return -1;
1031
1032 adapter = priv->adapter;
1033
1034 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
1035 curr_iftype != NL80211_IFTYPE_P2P_GO) &&
1036 (adapter->curr_iface_comb.sta_intf ==
1037 adapter->iface_limit.sta_intf)) {
1038 mwifiex_dbg(adapter, ERROR,
1039 "cannot create multiple station/adhoc ifaces\n");
1040 return -1;
1041 }
1042
1043 if (type == NL80211_IFTYPE_STATION)
1044 mwifiex_dbg(adapter, INFO,
1045 "%s: changing role to station\n", dev->name);
1046 else
1047 mwifiex_dbg(adapter, INFO,
1048 "%s: changing role to adhoc\n", dev->name);
1049
1050 if (mwifiex_deinit_priv_params(priv))
1051 return -1;
1052 if (mwifiex_init_new_priv_params(priv, dev, type))
1053 return -1;
1054 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1055 HostCmd_ACT_GEN_SET, 0, NULL, true))
1056 return -1;
1057 if (mwifiex_sta_init_cmd(priv, false, false))
1058 return -1;
1059
1060 switch (curr_iftype) {
1061 case NL80211_IFTYPE_P2P_CLIENT:
1062 case NL80211_IFTYPE_P2P_GO:
1063 adapter->curr_iface_comb.p2p_intf--;
1064 break;
1065 case NL80211_IFTYPE_AP:
1066 adapter->curr_iface_comb.uap_intf--;
1067 break;
1068 default:
1069 break;
1070 }
1071
1072 adapter->curr_iface_comb.sta_intf++;
1073 dev->ieee80211_ptr->iftype = type;
1074 return 0;
1075 }
1076
1077 static int
mwifiex_change_vif_to_ap(struct net_device * dev,enum nl80211_iftype curr_iftype,enum nl80211_iftype type,struct vif_params * params)1078 mwifiex_change_vif_to_ap(struct net_device *dev,
1079 enum nl80211_iftype curr_iftype,
1080 enum nl80211_iftype type,
1081 struct vif_params *params)
1082 {
1083 struct mwifiex_private *priv;
1084 struct mwifiex_adapter *adapter;
1085
1086 priv = mwifiex_netdev_get_priv(dev);
1087
1088 if (!priv)
1089 return -1;
1090
1091 adapter = priv->adapter;
1092
1093 if (adapter->curr_iface_comb.uap_intf ==
1094 adapter->iface_limit.uap_intf) {
1095 mwifiex_dbg(adapter, ERROR,
1096 "cannot create multiple AP ifaces\n");
1097 return -1;
1098 }
1099
1100 mwifiex_dbg(adapter, INFO,
1101 "%s: changing role to AP\n", dev->name);
1102
1103 if (mwifiex_deinit_priv_params(priv))
1104 return -1;
1105 if (mwifiex_init_new_priv_params(priv, dev, type))
1106 return -1;
1107 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1108 HostCmd_ACT_GEN_SET, 0, NULL, true))
1109 return -1;
1110 if (mwifiex_sta_init_cmd(priv, false, false))
1111 return -1;
1112
1113 switch (curr_iftype) {
1114 case NL80211_IFTYPE_P2P_CLIENT:
1115 case NL80211_IFTYPE_P2P_GO:
1116 adapter->curr_iface_comb.p2p_intf--;
1117 break;
1118 case NL80211_IFTYPE_STATION:
1119 case NL80211_IFTYPE_ADHOC:
1120 adapter->curr_iface_comb.sta_intf--;
1121 break;
1122 default:
1123 break;
1124 }
1125
1126 adapter->curr_iface_comb.uap_intf++;
1127 dev->ieee80211_ptr->iftype = type;
1128 return 0;
1129 }
1130 /*
1131 * CFG802.11 operation handler to change interface type.
1132 */
1133 static int
mwifiex_cfg80211_change_virtual_intf(struct wiphy * wiphy,struct net_device * dev,enum nl80211_iftype type,struct vif_params * params)1134 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1135 struct net_device *dev,
1136 enum nl80211_iftype type,
1137 struct vif_params *params)
1138 {
1139 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1140 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1141
1142 if (priv->scan_request) {
1143 mwifiex_dbg(priv->adapter, ERROR,
1144 "change virtual interface: scan in process\n");
1145 return -EBUSY;
1146 }
1147
1148 switch (curr_iftype) {
1149 case NL80211_IFTYPE_ADHOC:
1150 switch (type) {
1151 case NL80211_IFTYPE_STATION:
1152 priv->bss_mode = type;
1153 priv->sec_info.authentication_mode =
1154 NL80211_AUTHTYPE_OPEN_SYSTEM;
1155 dev->ieee80211_ptr->iftype = type;
1156 mwifiex_deauthenticate(priv, NULL);
1157 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1158 HostCmd_ACT_GEN_SET, 0, NULL,
1159 true);
1160 case NL80211_IFTYPE_P2P_CLIENT:
1161 case NL80211_IFTYPE_P2P_GO:
1162 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1163 type, params);
1164 case NL80211_IFTYPE_AP:
1165 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1166 params);
1167 case NL80211_IFTYPE_UNSPECIFIED:
1168 mwifiex_dbg(priv->adapter, INFO,
1169 "%s: kept type as IBSS\n", dev->name);
1170 fallthrough;
1171 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
1172 return 0;
1173 default:
1174 mwifiex_dbg(priv->adapter, ERROR,
1175 "%s: changing to %d not supported\n",
1176 dev->name, type);
1177 return -EOPNOTSUPP;
1178 }
1179 break;
1180 case NL80211_IFTYPE_STATION:
1181 switch (type) {
1182 case NL80211_IFTYPE_ADHOC:
1183 priv->bss_mode = type;
1184 priv->sec_info.authentication_mode =
1185 NL80211_AUTHTYPE_OPEN_SYSTEM;
1186 dev->ieee80211_ptr->iftype = type;
1187 mwifiex_deauthenticate(priv, NULL);
1188 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1189 HostCmd_ACT_GEN_SET, 0, NULL,
1190 true);
1191 case NL80211_IFTYPE_P2P_CLIENT:
1192 case NL80211_IFTYPE_P2P_GO:
1193 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1194 type, params);
1195 case NL80211_IFTYPE_AP:
1196 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1197 params);
1198 case NL80211_IFTYPE_UNSPECIFIED:
1199 mwifiex_dbg(priv->adapter, INFO,
1200 "%s: kept type as STA\n", dev->name);
1201 fallthrough;
1202 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
1203 return 0;
1204 default:
1205 mwifiex_dbg(priv->adapter, ERROR,
1206 "%s: changing to %d not supported\n",
1207 dev->name, type);
1208 return -EOPNOTSUPP;
1209 }
1210 break;
1211 case NL80211_IFTYPE_AP:
1212 switch (type) {
1213 case NL80211_IFTYPE_ADHOC:
1214 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1215 type, params);
1216 break;
1217 case NL80211_IFTYPE_P2P_CLIENT:
1218 case NL80211_IFTYPE_P2P_GO:
1219 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1220 type, params);
1221 case NL80211_IFTYPE_UNSPECIFIED:
1222 mwifiex_dbg(priv->adapter, INFO,
1223 "%s: kept type as AP\n", dev->name);
1224 fallthrough;
1225 case NL80211_IFTYPE_AP: /* This shouldn't happen */
1226 return 0;
1227 default:
1228 mwifiex_dbg(priv->adapter, ERROR,
1229 "%s: changing to %d not supported\n",
1230 dev->name, type);
1231 return -EOPNOTSUPP;
1232 }
1233 break;
1234 case NL80211_IFTYPE_P2P_CLIENT:
1235 case NL80211_IFTYPE_P2P_GO:
1236 if (mwifiex_cfg80211_deinit_p2p(priv))
1237 return -EFAULT;
1238
1239 switch (type) {
1240 case NL80211_IFTYPE_ADHOC:
1241 case NL80211_IFTYPE_STATION:
1242 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1243 type, params);
1244 case NL80211_IFTYPE_AP:
1245 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1246 params);
1247 case NL80211_IFTYPE_UNSPECIFIED:
1248 mwifiex_dbg(priv->adapter, INFO,
1249 "%s: kept type as P2P\n", dev->name);
1250 fallthrough;
1251 case NL80211_IFTYPE_P2P_CLIENT:
1252 case NL80211_IFTYPE_P2P_GO:
1253 return 0;
1254 default:
1255 mwifiex_dbg(priv->adapter, ERROR,
1256 "%s: changing to %d not supported\n",
1257 dev->name, type);
1258 return -EOPNOTSUPP;
1259 }
1260 break;
1261 default:
1262 mwifiex_dbg(priv->adapter, ERROR,
1263 "%s: unknown iftype: %d\n",
1264 dev->name, dev->ieee80211_ptr->iftype);
1265 return -EOPNOTSUPP;
1266 }
1267
1268
1269 return 0;
1270 }
1271
1272 static void
mwifiex_parse_htinfo(struct mwifiex_private * priv,u8 rateinfo,u8 htinfo,struct rate_info * rate)1273 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo,
1274 struct rate_info *rate)
1275 {
1276 struct mwifiex_adapter *adapter = priv->adapter;
1277
1278 if (adapter->is_hw_11ac_capable) {
1279 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1280 if (htinfo & BIT(0)) {
1281 /* HT */
1282 rate->mcs = rateinfo;
1283 rate->flags |= RATE_INFO_FLAGS_MCS;
1284 }
1285 if (htinfo & BIT(1)) {
1286 /* VHT */
1287 rate->mcs = rateinfo & 0x0F;
1288 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1289 }
1290
1291 if (htinfo & (BIT(1) | BIT(0))) {
1292 /* HT or VHT */
1293 switch (htinfo & (BIT(3) | BIT(2))) {
1294 case 0:
1295 rate->bw = RATE_INFO_BW_20;
1296 break;
1297 case (BIT(2)):
1298 rate->bw = RATE_INFO_BW_40;
1299 break;
1300 case (BIT(3)):
1301 rate->bw = RATE_INFO_BW_80;
1302 break;
1303 case (BIT(3) | BIT(2)):
1304 rate->bw = RATE_INFO_BW_160;
1305 break;
1306 }
1307
1308 if (htinfo & BIT(4))
1309 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1310
1311 if ((rateinfo >> 4) == 1)
1312 rate->nss = 2;
1313 else
1314 rate->nss = 1;
1315 }
1316 } else {
1317 /*
1318 * Bit 0 in htinfo indicates that current rate is 11n. Valid
1319 * MCS index values for us are 0 to 15.
1320 */
1321 if ((htinfo & BIT(0)) && (rateinfo < 16)) {
1322 rate->mcs = rateinfo;
1323 rate->flags |= RATE_INFO_FLAGS_MCS;
1324 rate->bw = RATE_INFO_BW_20;
1325 if (htinfo & BIT(1))
1326 rate->bw = RATE_INFO_BW_40;
1327 if (htinfo & BIT(2))
1328 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1329 }
1330 }
1331
1332 /* Decode legacy rates for non-HT. */
1333 if (!(htinfo & (BIT(0) | BIT(1)))) {
1334 /* Bitrates in multiples of 100kb/s. */
1335 static const int legacy_rates[] = {
1336 [0] = 10,
1337 [1] = 20,
1338 [2] = 55,
1339 [3] = 110,
1340 [4] = 60, /* MWIFIEX_RATE_INDEX_OFDM0 */
1341 [5] = 60,
1342 [6] = 90,
1343 [7] = 120,
1344 [8] = 180,
1345 [9] = 240,
1346 [10] = 360,
1347 [11] = 480,
1348 [12] = 540,
1349 };
1350 if (rateinfo < ARRAY_SIZE(legacy_rates))
1351 rate->legacy = legacy_rates[rateinfo];
1352 }
1353 }
1354
1355 /*
1356 * This function dumps the station information on a buffer.
1357 *
1358 * The following information are shown -
1359 * - Total bytes transmitted
1360 * - Total bytes received
1361 * - Total packets transmitted
1362 * - Total packets received
1363 * - Signal quality level
1364 * - Transmission rate
1365 */
1366 static int
mwifiex_dump_station_info(struct mwifiex_private * priv,struct mwifiex_sta_node * node,struct station_info * sinfo)1367 mwifiex_dump_station_info(struct mwifiex_private *priv,
1368 struct mwifiex_sta_node *node,
1369 struct station_info *sinfo)
1370 {
1371 u32 rate;
1372
1373 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
1374 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
1375 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
1376 BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
1377
1378 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1379 if (!node)
1380 return -ENOENT;
1381
1382 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) |
1383 BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1384 sinfo->inactive_time =
1385 jiffies_to_msecs(jiffies - node->stats.last_rx);
1386
1387 sinfo->signal = node->stats.rssi;
1388 sinfo->signal_avg = node->stats.rssi;
1389 sinfo->rx_bytes = node->stats.rx_bytes;
1390 sinfo->tx_bytes = node->stats.tx_bytes;
1391 sinfo->rx_packets = node->stats.rx_packets;
1392 sinfo->tx_packets = node->stats.tx_packets;
1393 sinfo->tx_failed = node->stats.tx_failed;
1394
1395 mwifiex_parse_htinfo(priv, priv->tx_rate,
1396 node->stats.last_tx_htinfo,
1397 &sinfo->txrate);
1398 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1399
1400 return 0;
1401 }
1402
1403 /* Get signal information from the firmware */
1404 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1405 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1406 mwifiex_dbg(priv->adapter, ERROR,
1407 "failed to get signal information\n");
1408 return -EFAULT;
1409 }
1410
1411 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1412 mwifiex_dbg(priv->adapter, ERROR,
1413 "getting data rate error\n");
1414 return -EFAULT;
1415 }
1416
1417 /* Get DTIM period information from firmware */
1418 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1419 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1420 &priv->dtim_period, true);
1421
1422 mwifiex_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo,
1423 &sinfo->txrate);
1424
1425 sinfo->signal_avg = priv->bcn_rssi_avg;
1426 sinfo->rx_bytes = priv->stats.rx_bytes;
1427 sinfo->tx_bytes = priv->stats.tx_bytes;
1428 sinfo->rx_packets = priv->stats.rx_packets;
1429 sinfo->tx_packets = priv->stats.tx_packets;
1430 sinfo->signal = priv->bcn_rssi_avg;
1431 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1432 sinfo->txrate.legacy = rate * 5;
1433
1434 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
1435 mwifiex_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo,
1436 &sinfo->rxrate);
1437
1438 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1439 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM);
1440 sinfo->bss_param.flags = 0;
1441 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1442 WLAN_CAPABILITY_SHORT_PREAMBLE)
1443 sinfo->bss_param.flags |=
1444 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1445 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1446 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1447 sinfo->bss_param.flags |=
1448 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1449 sinfo->bss_param.dtim_period = priv->dtim_period;
1450 sinfo->bss_param.beacon_interval =
1451 priv->curr_bss_params.bss_descriptor.beacon_period;
1452 }
1453
1454 return 0;
1455 }
1456
1457 /*
1458 * CFG802.11 operation handler to get station information.
1459 *
1460 * This function only works in connected mode, and dumps the
1461 * requested station information, if available.
1462 */
1463 static int
mwifiex_cfg80211_get_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_info * sinfo)1464 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1465 const u8 *mac, struct station_info *sinfo)
1466 {
1467 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1468
1469 if (!priv->media_connected)
1470 return -ENOENT;
1471 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1472 return -ENOENT;
1473
1474 return mwifiex_dump_station_info(priv, NULL, sinfo);
1475 }
1476
1477 /*
1478 * CFG802.11 operation handler to dump station information.
1479 */
1480 static int
mwifiex_cfg80211_dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)1481 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1482 int idx, u8 *mac, struct station_info *sinfo)
1483 {
1484 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1485 struct mwifiex_sta_node *node;
1486 int i;
1487
1488 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1489 priv->media_connected && idx == 0) {
1490 ether_addr_copy(mac, priv->cfg_bssid);
1491 return mwifiex_dump_station_info(priv, NULL, sinfo);
1492 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1493 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1494 HostCmd_ACT_GEN_GET, 0, NULL, true);
1495
1496 i = 0;
1497 list_for_each_entry(node, &priv->sta_list, list) {
1498 if (i++ != idx)
1499 continue;
1500 ether_addr_copy(mac, node->mac_addr);
1501 return mwifiex_dump_station_info(priv, node, sinfo);
1502 }
1503 }
1504
1505 return -ENOENT;
1506 }
1507
1508 static int
mwifiex_cfg80211_dump_survey(struct wiphy * wiphy,struct net_device * dev,int idx,struct survey_info * survey)1509 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1510 int idx, struct survey_info *survey)
1511 {
1512 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1513 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1514 enum nl80211_band band;
1515
1516 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1517
1518 memset(survey, 0, sizeof(struct survey_info));
1519
1520 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1521 priv->media_connected && idx == 0) {
1522 u8 curr_bss_band = priv->curr_bss_params.band;
1523 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1524
1525 band = mwifiex_band_to_radio_type(curr_bss_band);
1526 survey->channel = ieee80211_get_channel(wiphy,
1527 ieee80211_channel_to_frequency(chan, band));
1528
1529 if (priv->bcn_nf_last) {
1530 survey->filled = SURVEY_INFO_NOISE_DBM;
1531 survey->noise = priv->bcn_nf_last;
1532 }
1533 return 0;
1534 }
1535
1536 if (idx >= priv->adapter->num_in_chan_stats)
1537 return -ENOENT;
1538
1539 if (!pchan_stats[idx].cca_scan_dur)
1540 return 0;
1541
1542 band = pchan_stats[idx].bandcfg;
1543 survey->channel = ieee80211_get_channel(wiphy,
1544 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1545 survey->filled = SURVEY_INFO_NOISE_DBM |
1546 SURVEY_INFO_TIME |
1547 SURVEY_INFO_TIME_BUSY;
1548 survey->noise = pchan_stats[idx].noise;
1549 survey->time = pchan_stats[idx].cca_scan_dur;
1550 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1551
1552 return 0;
1553 }
1554
1555 /* Supported rates to be advertised to the cfg80211 */
1556 static struct ieee80211_rate mwifiex_rates[] = {
1557 {.bitrate = 10, .hw_value = 2, },
1558 {.bitrate = 20, .hw_value = 4, },
1559 {.bitrate = 55, .hw_value = 11, },
1560 {.bitrate = 110, .hw_value = 22, },
1561 {.bitrate = 60, .hw_value = 12, },
1562 {.bitrate = 90, .hw_value = 18, },
1563 {.bitrate = 120, .hw_value = 24, },
1564 {.bitrate = 180, .hw_value = 36, },
1565 {.bitrate = 240, .hw_value = 48, },
1566 {.bitrate = 360, .hw_value = 72, },
1567 {.bitrate = 480, .hw_value = 96, },
1568 {.bitrate = 540, .hw_value = 108, },
1569 };
1570
1571 /* Channel definitions to be advertised to cfg80211 */
1572 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1573 {.center_freq = 2412, .hw_value = 1, },
1574 {.center_freq = 2417, .hw_value = 2, },
1575 {.center_freq = 2422, .hw_value = 3, },
1576 {.center_freq = 2427, .hw_value = 4, },
1577 {.center_freq = 2432, .hw_value = 5, },
1578 {.center_freq = 2437, .hw_value = 6, },
1579 {.center_freq = 2442, .hw_value = 7, },
1580 {.center_freq = 2447, .hw_value = 8, },
1581 {.center_freq = 2452, .hw_value = 9, },
1582 {.center_freq = 2457, .hw_value = 10, },
1583 {.center_freq = 2462, .hw_value = 11, },
1584 {.center_freq = 2467, .hw_value = 12, },
1585 {.center_freq = 2472, .hw_value = 13, },
1586 {.center_freq = 2484, .hw_value = 14, },
1587 };
1588
1589 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1590 .channels = mwifiex_channels_2ghz,
1591 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1592 .bitrates = mwifiex_rates,
1593 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1594 };
1595
1596 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1597 {.center_freq = 5040, .hw_value = 8, },
1598 {.center_freq = 5060, .hw_value = 12, },
1599 {.center_freq = 5080, .hw_value = 16, },
1600 {.center_freq = 5170, .hw_value = 34, },
1601 {.center_freq = 5190, .hw_value = 38, },
1602 {.center_freq = 5210, .hw_value = 42, },
1603 {.center_freq = 5230, .hw_value = 46, },
1604 {.center_freq = 5180, .hw_value = 36, },
1605 {.center_freq = 5200, .hw_value = 40, },
1606 {.center_freq = 5220, .hw_value = 44, },
1607 {.center_freq = 5240, .hw_value = 48, },
1608 {.center_freq = 5260, .hw_value = 52, },
1609 {.center_freq = 5280, .hw_value = 56, },
1610 {.center_freq = 5300, .hw_value = 60, },
1611 {.center_freq = 5320, .hw_value = 64, },
1612 {.center_freq = 5500, .hw_value = 100, },
1613 {.center_freq = 5520, .hw_value = 104, },
1614 {.center_freq = 5540, .hw_value = 108, },
1615 {.center_freq = 5560, .hw_value = 112, },
1616 {.center_freq = 5580, .hw_value = 116, },
1617 {.center_freq = 5600, .hw_value = 120, },
1618 {.center_freq = 5620, .hw_value = 124, },
1619 {.center_freq = 5640, .hw_value = 128, },
1620 {.center_freq = 5660, .hw_value = 132, },
1621 {.center_freq = 5680, .hw_value = 136, },
1622 {.center_freq = 5700, .hw_value = 140, },
1623 {.center_freq = 5745, .hw_value = 149, },
1624 {.center_freq = 5765, .hw_value = 153, },
1625 {.center_freq = 5785, .hw_value = 157, },
1626 {.center_freq = 5805, .hw_value = 161, },
1627 {.center_freq = 5825, .hw_value = 165, },
1628 };
1629
1630 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1631 .channels = mwifiex_channels_5ghz,
1632 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1633 .bitrates = mwifiex_rates + 4,
1634 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1635 };
1636
1637
1638 /* Supported crypto cipher suits to be advertised to cfg80211 */
1639 static const u32 mwifiex_cipher_suites[] = {
1640 WLAN_CIPHER_SUITE_WEP40,
1641 WLAN_CIPHER_SUITE_WEP104,
1642 WLAN_CIPHER_SUITE_TKIP,
1643 WLAN_CIPHER_SUITE_CCMP,
1644 WLAN_CIPHER_SUITE_SMS4,
1645 WLAN_CIPHER_SUITE_AES_CMAC,
1646 };
1647
1648 /* Supported mgmt frame types to be advertised to cfg80211 */
1649 static const struct ieee80211_txrx_stypes
1650 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1651 [NL80211_IFTYPE_STATION] = {
1652 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1653 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1654 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1655 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1656 },
1657 [NL80211_IFTYPE_AP] = {
1658 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1659 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1660 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1661 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1662 },
1663 [NL80211_IFTYPE_P2P_CLIENT] = {
1664 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1665 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1666 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1667 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1668 },
1669 [NL80211_IFTYPE_P2P_GO] = {
1670 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1671 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1672 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1673 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1674 },
1675 };
1676
1677 /*
1678 * CFG802.11 operation handler for setting bit rates.
1679 *
1680 * Function configures data rates to firmware using bitrate mask
1681 * provided by cfg80211.
1682 */
mwifiex_cfg80211_set_bitrate_mask(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,const struct cfg80211_bitrate_mask * mask)1683 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1684 struct net_device *dev,
1685 const u8 *peer,
1686 const struct cfg80211_bitrate_mask *mask)
1687 {
1688 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1689 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1690 enum nl80211_band band;
1691 struct mwifiex_adapter *adapter = priv->adapter;
1692
1693 if (!priv->media_connected) {
1694 mwifiex_dbg(adapter, ERROR,
1695 "Can not set Tx data rate in disconnected state\n");
1696 return -EINVAL;
1697 }
1698
1699 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1700
1701 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1702
1703 /* Fill HR/DSSS rates. */
1704 if (band == NL80211_BAND_2GHZ)
1705 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1706
1707 /* Fill OFDM rates */
1708 if (band == NL80211_BAND_2GHZ)
1709 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1710 else
1711 bitmap_rates[1] = mask->control[band].legacy;
1712
1713 /* Fill HT MCS rates */
1714 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1715 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1716 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1717
1718 /* Fill VHT MCS rates */
1719 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1720 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1721 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1722 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1723 }
1724
1725 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1726 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1727 }
1728
1729 /*
1730 * CFG802.11 operation handler for connection quality monitoring.
1731 *
1732 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1733 * events to FW.
1734 */
mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy * wiphy,struct net_device * dev,s32 rssi_thold,u32 rssi_hyst)1735 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1736 struct net_device *dev,
1737 s32 rssi_thold, u32 rssi_hyst)
1738 {
1739 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1740 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1741
1742 priv->cqm_rssi_thold = rssi_thold;
1743 priv->cqm_rssi_hyst = rssi_hyst;
1744
1745 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1746 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1747
1748 /* Subscribe/unsubscribe low and high rssi events */
1749 if (rssi_thold && rssi_hyst) {
1750 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1751 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1752 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1753 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1754 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1755 return mwifiex_send_cmd(priv,
1756 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1757 0, 0, &subsc_evt, true);
1758 } else {
1759 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1760 return mwifiex_send_cmd(priv,
1761 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1762 0, 0, &subsc_evt, true);
1763 }
1764
1765 return 0;
1766 }
1767
1768 /* cfg80211 operation handler for change_beacon.
1769 * Function retrieves and sets modified management IEs to FW.
1770 */
mwifiex_cfg80211_change_beacon(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_beacon_data * data)1771 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1772 struct net_device *dev,
1773 struct cfg80211_beacon_data *data)
1774 {
1775 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1776 struct mwifiex_adapter *adapter = priv->adapter;
1777
1778 mwifiex_cancel_scan(adapter);
1779
1780 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1781 mwifiex_dbg(priv->adapter, ERROR,
1782 "%s: bss_type mismatched\n", __func__);
1783 return -EINVAL;
1784 }
1785
1786 if (!priv->bss_started) {
1787 mwifiex_dbg(priv->adapter, ERROR,
1788 "%s: bss not started\n", __func__);
1789 return -EINVAL;
1790 }
1791
1792 if (mwifiex_set_mgmt_ies(priv, data)) {
1793 mwifiex_dbg(priv->adapter, ERROR,
1794 "%s: setting mgmt ies failed\n", __func__);
1795 return -EFAULT;
1796 }
1797
1798 return 0;
1799 }
1800
1801 /* cfg80211 operation handler for del_station.
1802 * Function deauthenticates station which value is provided in mac parameter.
1803 * If mac is NULL/broadcast, all stations in associated station list are
1804 * deauthenticated. If bss is not started or there are no stations in
1805 * associated stations list, no action is taken.
1806 */
1807 static int
mwifiex_cfg80211_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)1808 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1809 struct station_del_parameters *params)
1810 {
1811 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1812 struct mwifiex_sta_node *sta_node;
1813 u8 deauth_mac[ETH_ALEN];
1814
1815 if (!priv->bss_started && priv->wdev.cac_started) {
1816 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1817 mwifiex_abort_cac(priv);
1818 }
1819
1820 if (list_empty(&priv->sta_list) || !priv->bss_started)
1821 return 0;
1822
1823 if (!params->mac || is_broadcast_ether_addr(params->mac))
1824 return 0;
1825
1826 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1827 __func__, params->mac);
1828
1829 eth_zero_addr(deauth_mac);
1830
1831 spin_lock_bh(&priv->sta_list_spinlock);
1832 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1833 if (sta_node)
1834 ether_addr_copy(deauth_mac, params->mac);
1835 spin_unlock_bh(&priv->sta_list_spinlock);
1836
1837 if (is_valid_ether_addr(deauth_mac)) {
1838 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1839 HostCmd_ACT_GEN_SET, 0,
1840 deauth_mac, true))
1841 return -1;
1842 }
1843
1844 return 0;
1845 }
1846
1847 static int
mwifiex_cfg80211_set_antenna(struct wiphy * wiphy,u32 tx_ant,u32 rx_ant)1848 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1849 {
1850 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1851 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1852 MWIFIEX_BSS_ROLE_ANY);
1853 struct mwifiex_ds_ant_cfg ant_cfg;
1854
1855 if (!tx_ant || !rx_ant)
1856 return -EOPNOTSUPP;
1857
1858 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1859 /* Not a MIMO chip. User should provide specific antenna number
1860 * for Tx/Rx path or enable all antennas for diversity
1861 */
1862 if (tx_ant != rx_ant)
1863 return -EOPNOTSUPP;
1864
1865 if ((tx_ant & (tx_ant - 1)) &&
1866 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1867 return -EOPNOTSUPP;
1868
1869 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1870 (priv->adapter->number_of_antenna > 1)) {
1871 tx_ant = RF_ANTENNA_AUTO;
1872 rx_ant = RF_ANTENNA_AUTO;
1873 }
1874 } else {
1875 struct ieee80211_sta_ht_cap *ht_info;
1876 int rx_mcs_supp;
1877 enum nl80211_band band;
1878
1879 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1880 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1881 if (adapter->is_hw_11ac_capable)
1882 adapter->usr_dot_11ac_mcs_support =
1883 MWIFIEX_11AC_MCS_MAP_1X1;
1884 } else {
1885 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1886 if (adapter->is_hw_11ac_capable)
1887 adapter->usr_dot_11ac_mcs_support =
1888 MWIFIEX_11AC_MCS_MAP_2X2;
1889 }
1890
1891 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1892 if (!adapter->wiphy->bands[band])
1893 continue;
1894
1895 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1896 rx_mcs_supp =
1897 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1898 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1899 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1900 }
1901 }
1902
1903 ant_cfg.tx_ant = tx_ant;
1904 ant_cfg.rx_ant = rx_ant;
1905
1906 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1907 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
1908 }
1909
1910 static int
mwifiex_cfg80211_get_antenna(struct wiphy * wiphy,u32 * tx_ant,u32 * rx_ant)1911 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
1912 {
1913 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1914 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1915 MWIFIEX_BSS_ROLE_ANY);
1916 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1917 HostCmd_ACT_GEN_GET, 0, NULL, true);
1918
1919 *tx_ant = priv->tx_ant;
1920 *rx_ant = priv->rx_ant;
1921
1922 return 0;
1923 }
1924
1925 /* cfg80211 operation handler for stop ap.
1926 * Function stops BSS running at uAP interface.
1927 */
mwifiex_cfg80211_stop_ap(struct wiphy * wiphy,struct net_device * dev)1928 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1929 {
1930 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1931
1932 mwifiex_abort_cac(priv);
1933
1934 if (mwifiex_del_mgmt_ies(priv))
1935 mwifiex_dbg(priv->adapter, ERROR,
1936 "Failed to delete mgmt IEs!\n");
1937
1938 priv->ap_11n_enabled = 0;
1939 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
1940
1941 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1942 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1943 mwifiex_dbg(priv->adapter, ERROR,
1944 "Failed to stop the BSS\n");
1945 return -1;
1946 }
1947
1948 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
1949 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1950 mwifiex_dbg(priv->adapter, ERROR,
1951 "Failed to reset BSS\n");
1952 return -1;
1953 }
1954
1955 if (netif_carrier_ok(priv->netdev))
1956 netif_carrier_off(priv->netdev);
1957 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
1958
1959 return 0;
1960 }
1961
1962 /* cfg80211 operation handler for start_ap.
1963 * Function sets beacon period, DTIM period, SSID and security into
1964 * AP config structure.
1965 * AP is configured with these settings and BSS is started.
1966 */
mwifiex_cfg80211_start_ap(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_settings * params)1967 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1968 struct net_device *dev,
1969 struct cfg80211_ap_settings *params)
1970 {
1971 struct mwifiex_uap_bss_param *bss_cfg;
1972 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1973
1974 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
1975 return -1;
1976
1977 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1978 if (!bss_cfg)
1979 return -ENOMEM;
1980
1981 mwifiex_set_sys_config_invalid_data(bss_cfg);
1982
1983 memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN);
1984
1985 if (params->beacon_interval)
1986 bss_cfg->beacon_period = params->beacon_interval;
1987 if (params->dtim_period)
1988 bss_cfg->dtim_period = params->dtim_period;
1989
1990 if (params->ssid && params->ssid_len) {
1991 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1992 bss_cfg->ssid.ssid_len = params->ssid_len;
1993 }
1994 if (params->inactivity_timeout > 0) {
1995 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1996 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1997 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1998 }
1999
2000 switch (params->hidden_ssid) {
2001 case NL80211_HIDDEN_SSID_NOT_IN_USE:
2002 bss_cfg->bcast_ssid_ctl = 1;
2003 break;
2004 case NL80211_HIDDEN_SSID_ZERO_LEN:
2005 bss_cfg->bcast_ssid_ctl = 0;
2006 break;
2007 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
2008 bss_cfg->bcast_ssid_ctl = 2;
2009 break;
2010 default:
2011 kfree(bss_cfg);
2012 return -EINVAL;
2013 }
2014
2015 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
2016 mwifiex_set_uap_rates(bss_cfg, params);
2017
2018 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
2019 mwifiex_dbg(priv->adapter, ERROR,
2020 "Failed to parse security parameters!\n");
2021 goto out;
2022 }
2023
2024 mwifiex_set_ht_params(priv, bss_cfg, params);
2025
2026 if (priv->adapter->is_hw_11ac_capable) {
2027 mwifiex_set_vht_params(priv, bss_cfg, params);
2028 mwifiex_set_vht_width(priv, params->chandef.width,
2029 priv->ap_11ac_enabled);
2030 }
2031
2032 if (priv->ap_11ac_enabled)
2033 mwifiex_set_11ac_ba_params(priv);
2034 else
2035 mwifiex_set_ba_params(priv);
2036
2037 mwifiex_set_wmm_params(priv, bss_cfg, params);
2038
2039 if (mwifiex_is_11h_active(priv))
2040 mwifiex_set_tpc_params(priv, bss_cfg, params);
2041
2042 if (mwifiex_is_11h_active(priv) &&
2043 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef,
2044 priv->bss_mode)) {
2045 mwifiex_dbg(priv->adapter, INFO,
2046 "Disable 11h extensions in FW\n");
2047 if (mwifiex_11h_activate(priv, false)) {
2048 mwifiex_dbg(priv->adapter, ERROR,
2049 "Failed to disable 11h extensions!!");
2050 goto out;
2051 }
2052 priv->state_11h.is_11h_active = false;
2053 }
2054
2055 mwifiex_config_uap_11d(priv, ¶ms->beacon);
2056
2057 if (mwifiex_config_start_uap(priv, bss_cfg)) {
2058 mwifiex_dbg(priv->adapter, ERROR,
2059 "Failed to start AP\n");
2060 goto out;
2061 }
2062
2063 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon))
2064 goto out;
2065
2066 if (!netif_carrier_ok(priv->netdev))
2067 netif_carrier_on(priv->netdev);
2068 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2069
2070 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2071 kfree(bss_cfg);
2072 return 0;
2073
2074 out:
2075 kfree(bss_cfg);
2076 return -1;
2077 }
2078
2079 /*
2080 * CFG802.11 operation handler for disconnection request.
2081 *
2082 * This function does not work when there is already a disconnection
2083 * procedure going on.
2084 */
2085 static int
mwifiex_cfg80211_disconnect(struct wiphy * wiphy,struct net_device * dev,u16 reason_code)2086 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2087 u16 reason_code)
2088 {
2089 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2090
2091 if (!mwifiex_stop_bg_scan(priv))
2092 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2093
2094 if (mwifiex_deauthenticate(priv, NULL))
2095 return -EFAULT;
2096
2097 eth_zero_addr(priv->cfg_bssid);
2098 priv->hs2_enabled = false;
2099
2100 return 0;
2101 }
2102
2103 /*
2104 * This function informs the CFG802.11 subsystem of a new IBSS.
2105 *
2106 * The following information are sent to the CFG802.11 subsystem
2107 * to register the new IBSS. If we do not register the new IBSS,
2108 * a kernel panic will result.
2109 * - SSID
2110 * - SSID length
2111 * - BSSID
2112 * - Channel
2113 */
mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private * priv)2114 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2115 {
2116 struct ieee80211_channel *chan;
2117 struct mwifiex_bss_info bss_info;
2118 struct cfg80211_bss *bss;
2119 int ie_len;
2120 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2121 enum nl80211_band band;
2122
2123 if (mwifiex_get_bss_info(priv, &bss_info))
2124 return -1;
2125
2126 ie_buf[0] = WLAN_EID_SSID;
2127 ie_buf[1] = bss_info.ssid.ssid_len;
2128
2129 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2130 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2131 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2132
2133 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2134 chan = ieee80211_get_channel(priv->wdev.wiphy,
2135 ieee80211_channel_to_frequency(bss_info.bss_chan,
2136 band));
2137
2138 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2139 CFG80211_BSS_FTYPE_UNKNOWN,
2140 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2141 0, ie_buf, ie_len, 0, GFP_KERNEL);
2142 if (bss) {
2143 cfg80211_put_bss(priv->wdev.wiphy, bss);
2144 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2145 }
2146
2147 return 0;
2148 }
2149
2150 /*
2151 * This function connects with a BSS.
2152 *
2153 * This function handles both Infra and Ad-Hoc modes. It also performs
2154 * validity checking on the provided parameters, disconnects from the
2155 * current BSS (if any), sets up the association/scan parameters,
2156 * including security settings, and performs specific SSID scan before
2157 * trying to connect.
2158 *
2159 * For Infra mode, the function returns failure if the specified SSID
2160 * is not found in scan table. However, for Ad-Hoc mode, it can create
2161 * the IBSS if it does not exist. On successful completion in either case,
2162 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2163 */
2164 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)2165 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2166 const u8 *ssid, const u8 *bssid, int mode,
2167 struct ieee80211_channel *channel,
2168 struct cfg80211_connect_params *sme, bool privacy)
2169 {
2170 struct cfg80211_ssid req_ssid;
2171 int ret, auth_type = 0;
2172 struct cfg80211_bss *bss = NULL;
2173 u8 is_scanning_required = 0;
2174
2175 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2176
2177 req_ssid.ssid_len = ssid_len;
2178 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2179 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2180 return -EINVAL;
2181 }
2182
2183 memcpy(req_ssid.ssid, ssid, ssid_len);
2184 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2185 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2186 return -EINVAL;
2187 }
2188
2189 /* As this is new association, clear locally stored
2190 * keys and security related flags */
2191 priv->sec_info.wpa_enabled = false;
2192 priv->sec_info.wpa2_enabled = false;
2193 priv->wep_key_curr_index = 0;
2194 priv->sec_info.encryption_mode = 0;
2195 priv->sec_info.is_authtype_auto = 0;
2196 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2197
2198 if (mode == NL80211_IFTYPE_ADHOC) {
2199 u16 enable = true;
2200
2201 /* set ibss coalescing_status */
2202 ret = mwifiex_send_cmd(
2203 priv,
2204 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2205 HostCmd_ACT_GEN_SET, 0, &enable, true);
2206 if (ret)
2207 return ret;
2208
2209 /* "privacy" is set only for ad-hoc mode */
2210 if (privacy) {
2211 /*
2212 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2213 * the firmware can find a matching network from the
2214 * scan. The cfg80211 does not give us the encryption
2215 * mode at this stage so just setting it to WEP here.
2216 */
2217 priv->sec_info.encryption_mode =
2218 WLAN_CIPHER_SUITE_WEP104;
2219 priv->sec_info.authentication_mode =
2220 NL80211_AUTHTYPE_OPEN_SYSTEM;
2221 }
2222
2223 goto done;
2224 }
2225
2226 /* Now handle infra mode. "sme" is valid for infra mode only */
2227 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2228 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2229 priv->sec_info.is_authtype_auto = 1;
2230 } else {
2231 auth_type = sme->auth_type;
2232 }
2233
2234 if (sme->crypto.n_ciphers_pairwise) {
2235 priv->sec_info.encryption_mode =
2236 sme->crypto.ciphers_pairwise[0];
2237 priv->sec_info.authentication_mode = auth_type;
2238 }
2239
2240 if (sme->crypto.cipher_group) {
2241 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2242 priv->sec_info.authentication_mode = auth_type;
2243 }
2244 if (sme->ie)
2245 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2246
2247 if (sme->key) {
2248 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2249 mwifiex_dbg(priv->adapter, INFO,
2250 "info: setting wep encryption\t"
2251 "with key len %d\n", sme->key_len);
2252 priv->wep_key_curr_index = sme->key_idx;
2253 ret = mwifiex_set_encode(priv, NULL, sme->key,
2254 sme->key_len, sme->key_idx,
2255 NULL, 0);
2256 }
2257 }
2258 done:
2259 /*
2260 * Scan entries are valid for some time (15 sec). So we can save one
2261 * active scan time if we just try cfg80211_get_bss first. If it fails
2262 * then request scan and cfg80211_get_bss() again for final output.
2263 */
2264 while (1) {
2265 if (is_scanning_required) {
2266 /* Do specific SSID scanning */
2267 if (mwifiex_request_scan(priv, &req_ssid)) {
2268 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2269 return -EFAULT;
2270 }
2271 }
2272
2273 /* Find the BSS we want using available scan results */
2274 if (mode == NL80211_IFTYPE_ADHOC)
2275 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2276 bssid, ssid, ssid_len,
2277 IEEE80211_BSS_TYPE_IBSS,
2278 IEEE80211_PRIVACY_ANY);
2279 else
2280 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2281 bssid, ssid, ssid_len,
2282 IEEE80211_BSS_TYPE_ESS,
2283 IEEE80211_PRIVACY_ANY);
2284
2285 if (!bss) {
2286 if (is_scanning_required) {
2287 mwifiex_dbg(priv->adapter, MSG,
2288 "assoc: requested bss not found in scan results\n");
2289 break;
2290 }
2291 is_scanning_required = 1;
2292 } else {
2293 mwifiex_dbg(priv->adapter, MSG,
2294 "info: trying to associate to '%.*s' bssid %pM\n",
2295 req_ssid.ssid_len, (char *)req_ssid.ssid,
2296 bss->bssid);
2297 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2298 break;
2299 }
2300 }
2301
2302 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2303 if (ret)
2304 return ret;
2305
2306 if (mode == NL80211_IFTYPE_ADHOC) {
2307 /* Inform the BSS information to kernel, otherwise
2308 * kernel will give a panic after successful assoc */
2309 if (mwifiex_cfg80211_inform_ibss_bss(priv))
2310 return -EFAULT;
2311 }
2312
2313 return ret;
2314 }
2315
2316 /*
2317 * CFG802.11 operation handler for association request.
2318 *
2319 * This function does not work when the current mode is set to Ad-Hoc, or
2320 * when there is already an association procedure going on. The given BSS
2321 * information is used to associate.
2322 */
2323 static int
mwifiex_cfg80211_connect(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_connect_params * sme)2324 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2325 struct cfg80211_connect_params *sme)
2326 {
2327 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2328 struct mwifiex_adapter *adapter = priv->adapter;
2329 int ret;
2330
2331 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2332 mwifiex_dbg(adapter, ERROR,
2333 "%s: reject infra assoc request in non-STA role\n",
2334 dev->name);
2335 return -EINVAL;
2336 }
2337
2338 if (priv->wdev.current_bss) {
2339 mwifiex_dbg(adapter, ERROR,
2340 "%s: already connected\n", dev->name);
2341 return -EALREADY;
2342 }
2343
2344 if (priv->scan_block)
2345 priv->scan_block = false;
2346
2347 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) ||
2348 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) {
2349 mwifiex_dbg(adapter, ERROR,
2350 "%s: Ignore connection.\t"
2351 "Card removed or FW in bad state\n",
2352 dev->name);
2353 return -EFAULT;
2354 }
2355
2356 mwifiex_dbg(adapter, INFO,
2357 "info: Trying to associate to %.*s and bssid %pM\n",
2358 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid);
2359
2360 if (!mwifiex_stop_bg_scan(priv))
2361 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2362
2363 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2364 priv->bss_mode, sme->channel, sme, 0);
2365 if (!ret) {
2366 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
2367 NULL, 0, WLAN_STATUS_SUCCESS,
2368 GFP_KERNEL);
2369 mwifiex_dbg(priv->adapter, MSG,
2370 "info: associated to bssid %pM successfully\n",
2371 priv->cfg_bssid);
2372 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2373 priv->adapter->auto_tdls &&
2374 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2375 mwifiex_setup_auto_tdls_timer(priv);
2376 } else {
2377 mwifiex_dbg(priv->adapter, ERROR,
2378 "info: association to bssid %pM failed\n",
2379 priv->cfg_bssid);
2380 eth_zero_addr(priv->cfg_bssid);
2381
2382 if (ret > 0)
2383 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2384 NULL, 0, NULL, 0, ret,
2385 GFP_KERNEL);
2386 else
2387 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2388 NULL, 0, NULL, 0,
2389 WLAN_STATUS_UNSPECIFIED_FAILURE,
2390 GFP_KERNEL);
2391 }
2392
2393 return 0;
2394 }
2395
2396 /*
2397 * This function sets following parameters for ibss network.
2398 * - channel
2399 * - start band
2400 * - 11n flag
2401 * - secondary channel offset
2402 */
mwifiex_set_ibss_params(struct mwifiex_private * priv,struct cfg80211_ibss_params * params)2403 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2404 struct cfg80211_ibss_params *params)
2405 {
2406 struct mwifiex_adapter *adapter = priv->adapter;
2407 int index = 0, i;
2408 u8 config_bands = 0;
2409
2410 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2411 if (!params->basic_rates) {
2412 config_bands = BAND_B | BAND_G;
2413 } else {
2414 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2415 /*
2416 * Rates below 6 Mbps in the table are CCK
2417 * rates; 802.11b and from 6 they are OFDM;
2418 * 802.11G
2419 */
2420 if (mwifiex_rates[i].bitrate == 60) {
2421 index = 1 << i;
2422 break;
2423 }
2424 }
2425
2426 if (params->basic_rates < index) {
2427 config_bands = BAND_B;
2428 } else {
2429 config_bands = BAND_G;
2430 if (params->basic_rates % index)
2431 config_bands |= BAND_B;
2432 }
2433 }
2434
2435 if (cfg80211_get_chandef_type(¶ms->chandef) !=
2436 NL80211_CHAN_NO_HT)
2437 config_bands |= BAND_G | BAND_GN;
2438 } else {
2439 if (cfg80211_get_chandef_type(¶ms->chandef) ==
2440 NL80211_CHAN_NO_HT)
2441 config_bands = BAND_A;
2442 else
2443 config_bands = BAND_AN | BAND_A;
2444 }
2445
2446 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2447 adapter->config_bands = config_bands;
2448 adapter->adhoc_start_band = config_bands;
2449
2450 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2451 adapter->adhoc_11n_enabled = true;
2452 else
2453 adapter->adhoc_11n_enabled = false;
2454 }
2455
2456 adapter->sec_chan_offset =
2457 mwifiex_chan_type_to_sec_chan_offset(
2458 cfg80211_get_chandef_type(¶ms->chandef));
2459 priv->adhoc_channel = ieee80211_frequency_to_channel(
2460 params->chandef.chan->center_freq);
2461
2462 mwifiex_dbg(adapter, INFO,
2463 "info: set ibss band %d, chan %d, chan offset %d\n",
2464 config_bands, priv->adhoc_channel,
2465 adapter->sec_chan_offset);
2466
2467 return 0;
2468 }
2469
2470 /*
2471 * CFG802.11 operation handler to join an IBSS.
2472 *
2473 * This function does not work in any mode other than Ad-Hoc, or if
2474 * a join operation is already in progress.
2475 */
2476 static int
mwifiex_cfg80211_join_ibss(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ibss_params * params)2477 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2478 struct cfg80211_ibss_params *params)
2479 {
2480 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2481 int ret = 0;
2482
2483 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2484 mwifiex_dbg(priv->adapter, ERROR,
2485 "request to join ibss received\t"
2486 "when station is not in ibss mode\n");
2487 goto done;
2488 }
2489
2490 mwifiex_dbg(priv->adapter, MSG,
2491 "info: trying to join to %.*s and bssid %pM\n",
2492 params->ssid_len, (char *)params->ssid, params->bssid);
2493
2494 mwifiex_set_ibss_params(priv, params);
2495
2496 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2497 params->bssid, priv->bss_mode,
2498 params->chandef.chan, NULL,
2499 params->privacy);
2500 done:
2501 if (!ret) {
2502 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2503 params->chandef.chan, GFP_KERNEL);
2504 mwifiex_dbg(priv->adapter, MSG,
2505 "info: joined/created adhoc network with bssid\t"
2506 "%pM successfully\n", priv->cfg_bssid);
2507 } else {
2508 mwifiex_dbg(priv->adapter, ERROR,
2509 "info: failed creating/joining adhoc network\n");
2510 }
2511
2512 return ret;
2513 }
2514
2515 /*
2516 * CFG802.11 operation handler to leave an IBSS.
2517 *
2518 * This function does not work if a leave operation is
2519 * already in progress.
2520 */
2521 static int
mwifiex_cfg80211_leave_ibss(struct wiphy * wiphy,struct net_device * dev)2522 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2523 {
2524 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2525
2526 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2527 priv->cfg_bssid);
2528 if (mwifiex_deauthenticate(priv, NULL))
2529 return -EFAULT;
2530
2531 eth_zero_addr(priv->cfg_bssid);
2532
2533 return 0;
2534 }
2535
2536 /*
2537 * CFG802.11 operation handler for scan request.
2538 *
2539 * This function issues a scan request to the firmware based upon
2540 * the user specified scan configuration. On successful completion,
2541 * it also informs the results.
2542 */
2543 static int
mwifiex_cfg80211_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)2544 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2545 struct cfg80211_scan_request *request)
2546 {
2547 struct net_device *dev = request->wdev->netdev;
2548 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2549 int i, offset, ret;
2550 struct ieee80211_channel *chan;
2551 struct ieee_types_header *ie;
2552 struct mwifiex_user_scan_cfg *user_scan_cfg;
2553 u8 mac_addr[ETH_ALEN];
2554
2555 mwifiex_dbg(priv->adapter, CMD,
2556 "info: received scan request on %s\n", dev->name);
2557
2558 /* Block scan request if scan operation or scan cleanup when interface
2559 * is disabled is in process
2560 */
2561 if (priv->scan_request || priv->scan_aborting) {
2562 mwifiex_dbg(priv->adapter, WARN,
2563 "cmd: Scan already in process..\n");
2564 return -EBUSY;
2565 }
2566
2567 if (!priv->wdev.current_bss && priv->scan_block)
2568 priv->scan_block = false;
2569
2570 if (!mwifiex_stop_bg_scan(priv))
2571 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy, 0);
2572
2573 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2574 if (!user_scan_cfg)
2575 return -ENOMEM;
2576
2577 priv->scan_request = request;
2578
2579 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2580 get_random_mask_addr(mac_addr, request->mac_addr,
2581 request->mac_addr_mask);
2582 ether_addr_copy(request->mac_addr, mac_addr);
2583 ether_addr_copy(user_scan_cfg->random_mac, mac_addr);
2584 }
2585
2586 user_scan_cfg->num_ssids = request->n_ssids;
2587 user_scan_cfg->ssid_list = request->ssids;
2588
2589 if (request->ie && request->ie_len) {
2590 offset = 0;
2591 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2592 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2593 continue;
2594 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2595 ie = (struct ieee_types_header *)(request->ie + offset);
2596 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2597 offset += sizeof(*ie) + ie->len;
2598
2599 if (offset >= request->ie_len)
2600 break;
2601 }
2602 }
2603
2604 for (i = 0; i < min_t(u32, request->n_channels,
2605 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2606 chan = request->channels[i];
2607 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2608 user_scan_cfg->chan_list[i].radio_type = chan->band;
2609
2610 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2611 user_scan_cfg->chan_list[i].scan_type =
2612 MWIFIEX_SCAN_TYPE_PASSIVE;
2613 else
2614 user_scan_cfg->chan_list[i].scan_type =
2615 MWIFIEX_SCAN_TYPE_ACTIVE;
2616
2617 user_scan_cfg->chan_list[i].scan_time = 0;
2618 }
2619
2620 if (priv->adapter->scan_chan_gap_enabled &&
2621 mwifiex_is_any_intf_active(priv))
2622 user_scan_cfg->scan_chan_gap =
2623 priv->adapter->scan_chan_gap_time;
2624
2625 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2626 kfree(user_scan_cfg);
2627 if (ret) {
2628 mwifiex_dbg(priv->adapter, ERROR,
2629 "scan failed: %d\n", ret);
2630 priv->scan_aborting = false;
2631 priv->scan_request = NULL;
2632 return ret;
2633 }
2634
2635 if (request->ie && request->ie_len) {
2636 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2637 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2638 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2639 memset(&priv->vs_ie[i].ie, 0,
2640 MWIFIEX_MAX_VSIE_LEN);
2641 }
2642 }
2643 }
2644 return 0;
2645 }
2646
2647 /* CFG802.11 operation handler for sched_scan_start.
2648 *
2649 * This function issues a bgscan config request to the firmware based upon
2650 * the user specified sched_scan configuration. On successful completion,
2651 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2652 * query command to get sched_scan results from firmware.
2653 */
2654 static int
mwifiex_cfg80211_sched_scan_start(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_sched_scan_request * request)2655 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2656 struct net_device *dev,
2657 struct cfg80211_sched_scan_request *request)
2658 {
2659 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2660 int i, offset;
2661 struct ieee80211_channel *chan;
2662 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2663 struct ieee_types_header *ie;
2664
2665 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2666 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2667 __func__);
2668 return -EINVAL;
2669 }
2670
2671 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2672 request->n_ssids, request->n_match_sets);
2673 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2674 request->n_channels, request->scan_plans->interval,
2675 (int)request->ie_len);
2676
2677 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2678 if (!bgscan_cfg)
2679 return -ENOMEM;
2680
2681 if (priv->scan_request || priv->scan_aborting)
2682 bgscan_cfg->start_later = true;
2683
2684 bgscan_cfg->num_ssids = request->n_match_sets;
2685 bgscan_cfg->ssid_list = request->match_sets;
2686
2687 if (request->ie && request->ie_len) {
2688 offset = 0;
2689 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2690 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2691 continue;
2692 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2693 ie = (struct ieee_types_header *)(request->ie + offset);
2694 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2695 offset += sizeof(*ie) + ie->len;
2696
2697 if (offset >= request->ie_len)
2698 break;
2699 }
2700 }
2701
2702 for (i = 0; i < min_t(u32, request->n_channels,
2703 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2704 chan = request->channels[i];
2705 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2706 bgscan_cfg->chan_list[i].radio_type = chan->band;
2707
2708 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2709 bgscan_cfg->chan_list[i].scan_type =
2710 MWIFIEX_SCAN_TYPE_PASSIVE;
2711 else
2712 bgscan_cfg->chan_list[i].scan_type =
2713 MWIFIEX_SCAN_TYPE_ACTIVE;
2714
2715 bgscan_cfg->chan_list[i].scan_time = 0;
2716 }
2717
2718 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2719 MWIFIEX_BG_SCAN_CHAN_MAX);
2720
2721 /* Use at least 15 second for per scan cycle */
2722 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2723 MWIFIEX_BGSCAN_INTERVAL) ?
2724 request->scan_plans->interval :
2725 MWIFIEX_BGSCAN_INTERVAL;
2726
2727 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2728 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2729 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2730 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2731 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2732 bgscan_cfg->enable = true;
2733 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2734 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2735 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2736 }
2737
2738 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2739 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2740 kfree(bgscan_cfg);
2741 return -EFAULT;
2742 }
2743
2744 priv->sched_scanning = true;
2745
2746 kfree(bgscan_cfg);
2747 return 0;
2748 }
2749
2750 /* CFG802.11 operation handler for sched_scan_stop.
2751 *
2752 * This function issues a bgscan config command to disable
2753 * previous bgscan configuration in the firmware
2754 */
mwifiex_cfg80211_sched_scan_stop(struct wiphy * wiphy,struct net_device * dev,u64 reqid)2755 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2756 struct net_device *dev, u64 reqid)
2757 {
2758 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2759
2760 wiphy_info(wiphy, "sched scan stop!");
2761 mwifiex_stop_bg_scan(priv);
2762
2763 return 0;
2764 }
2765
mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap * vht_info,struct mwifiex_private * priv)2766 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2767 struct mwifiex_private *priv)
2768 {
2769 struct mwifiex_adapter *adapter = priv->adapter;
2770
2771 vht_info->vht_supported = true;
2772
2773 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2774 /* Update MCS support for VHT */
2775 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2776 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2777 vht_info->vht_mcs.rx_highest = 0;
2778 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2779 adapter->hw_dot_11ac_mcs_support >> 16);
2780 vht_info->vht_mcs.tx_highest = 0;
2781 }
2782
2783 /*
2784 * This function sets up the CFG802.11 specific HT capability fields
2785 * with default values.
2786 *
2787 * The following default values are set -
2788 * - HT Supported = True
2789 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2790 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2791 * - HT Capabilities supported by firmware
2792 * - MCS information, Rx mask = 0xff
2793 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2794 */
2795 static void
mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap * ht_info,struct mwifiex_private * priv)2796 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2797 struct mwifiex_private *priv)
2798 {
2799 int rx_mcs_supp;
2800 struct ieee80211_mcs_info mcs_set;
2801 u8 *mcs = (u8 *)&mcs_set;
2802 struct mwifiex_adapter *adapter = priv->adapter;
2803
2804 ht_info->ht_supported = true;
2805 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2806 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2807
2808 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2809
2810 /* Fill HT capability information */
2811 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2812 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2813 else
2814 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2815
2816 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2817 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2818 else
2819 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2820
2821 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2822 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2823 else
2824 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2825
2826 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2827 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2828 else
2829 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2830
2831 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2832 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2833 else
2834 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2835
2836 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2837 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2838 else
2839 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2840
2841 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2842 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2843 else
2844 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2845
2846 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2847 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2848 else
2849 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2850
2851 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2852 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2853
2854 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2855 /* Set MCS for 1x1/2x2 */
2856 memset(mcs, 0xff, rx_mcs_supp);
2857 /* Clear all the other values */
2858 memset(&mcs[rx_mcs_supp], 0,
2859 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
2860 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2861 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2862 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2863 SETHT_MCS32(mcs_set.rx_mask);
2864
2865 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2866
2867 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2868 }
2869
2870 /*
2871 * create a new virtual interface with the given name and name assign type
2872 */
mwifiex_add_virtual_intf(struct wiphy * wiphy,const char * name,unsigned char name_assign_type,enum nl80211_iftype type,struct vif_params * params)2873 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2874 const char *name,
2875 unsigned char name_assign_type,
2876 enum nl80211_iftype type,
2877 struct vif_params *params)
2878 {
2879 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2880 struct mwifiex_private *priv;
2881 struct net_device *dev;
2882 void *mdev_priv;
2883 int ret;
2884
2885 if (!adapter)
2886 return ERR_PTR(-EFAULT);
2887
2888 switch (type) {
2889 case NL80211_IFTYPE_UNSPECIFIED:
2890 case NL80211_IFTYPE_STATION:
2891 case NL80211_IFTYPE_ADHOC:
2892 if (adapter->curr_iface_comb.sta_intf ==
2893 adapter->iface_limit.sta_intf) {
2894 mwifiex_dbg(adapter, ERROR,
2895 "cannot create multiple sta/adhoc ifaces\n");
2896 return ERR_PTR(-EINVAL);
2897 }
2898
2899 priv = mwifiex_get_unused_priv_by_bss_type(
2900 adapter, MWIFIEX_BSS_TYPE_STA);
2901 if (!priv) {
2902 mwifiex_dbg(adapter, ERROR,
2903 "could not get free private struct\n");
2904 return ERR_PTR(-EFAULT);
2905 }
2906
2907 priv->wdev.wiphy = wiphy;
2908 priv->wdev.iftype = NL80211_IFTYPE_STATION;
2909
2910 if (type == NL80211_IFTYPE_UNSPECIFIED)
2911 priv->bss_mode = NL80211_IFTYPE_STATION;
2912 else
2913 priv->bss_mode = type;
2914
2915 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2916 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2917 priv->bss_priority = 0;
2918 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2919
2920 break;
2921 case NL80211_IFTYPE_AP:
2922 if (adapter->curr_iface_comb.uap_intf ==
2923 adapter->iface_limit.uap_intf) {
2924 mwifiex_dbg(adapter, ERROR,
2925 "cannot create multiple AP ifaces\n");
2926 return ERR_PTR(-EINVAL);
2927 }
2928
2929 priv = mwifiex_get_unused_priv_by_bss_type(
2930 adapter, MWIFIEX_BSS_TYPE_UAP);
2931 if (!priv) {
2932 mwifiex_dbg(adapter, ERROR,
2933 "could not get free private struct\n");
2934 return ERR_PTR(-EFAULT);
2935 }
2936
2937 priv->wdev.wiphy = wiphy;
2938 priv->wdev.iftype = NL80211_IFTYPE_AP;
2939
2940 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2941 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2942 priv->bss_priority = 0;
2943 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2944 priv->bss_started = 0;
2945 priv->bss_mode = type;
2946
2947 break;
2948 case NL80211_IFTYPE_P2P_CLIENT:
2949 if (adapter->curr_iface_comb.p2p_intf ==
2950 adapter->iface_limit.p2p_intf) {
2951 mwifiex_dbg(adapter, ERROR,
2952 "cannot create multiple P2P ifaces\n");
2953 return ERR_PTR(-EINVAL);
2954 }
2955
2956 priv = mwifiex_get_unused_priv_by_bss_type(
2957 adapter, MWIFIEX_BSS_TYPE_P2P);
2958 if (!priv) {
2959 mwifiex_dbg(adapter, ERROR,
2960 "could not get free private struct\n");
2961 return ERR_PTR(-EFAULT);
2962 }
2963
2964 priv->wdev.wiphy = wiphy;
2965 /* At start-up, wpa_supplicant tries to change the interface
2966 * to NL80211_IFTYPE_STATION if it is not managed mode.
2967 */
2968 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
2969 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
2970
2971 /* Setting bss_type to P2P tells firmware that this interface
2972 * is receiving P2P peers found during find phase and doing
2973 * action frame handshake.
2974 */
2975 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2976
2977 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2978 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2979 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2980 priv->bss_started = 0;
2981
2982 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2983 memset(&priv->wdev, 0, sizeof(priv->wdev));
2984 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2985 return ERR_PTR(-EFAULT);
2986 }
2987
2988 break;
2989 default:
2990 mwifiex_dbg(adapter, ERROR, "type not supported\n");
2991 return ERR_PTR(-EINVAL);
2992 }
2993
2994 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2995 name_assign_type, ether_setup,
2996 IEEE80211_NUM_ACS, 1);
2997 if (!dev) {
2998 mwifiex_dbg(adapter, ERROR,
2999 "no memory available for netdevice\n");
3000 ret = -ENOMEM;
3001 goto err_alloc_netdev;
3002 }
3003
3004 mwifiex_init_priv_params(priv, dev);
3005
3006 priv->netdev = dev;
3007
3008 if (!adapter->mfg_mode) {
3009 mwifiex_set_mac_address(priv, dev, false, NULL);
3010
3011 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
3012 HostCmd_ACT_GEN_SET, 0, NULL, true);
3013 if (ret)
3014 goto err_set_bss_mode;
3015
3016 ret = mwifiex_sta_init_cmd(priv, false, false);
3017 if (ret)
3018 goto err_sta_init;
3019 }
3020
3021 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
3022 if (adapter->is_hw_11ac_capable)
3023 mwifiex_setup_vht_caps(
3024 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
3025
3026 if (adapter->config_bands & BAND_A)
3027 mwifiex_setup_ht_caps(
3028 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
3029
3030 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
3031 mwifiex_setup_vht_caps(
3032 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
3033
3034 dev_net_set(dev, wiphy_net(wiphy));
3035 dev->ieee80211_ptr = &priv->wdev;
3036 dev->ieee80211_ptr->iftype = priv->bss_mode;
3037 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
3038
3039 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
3040 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
3041 dev->needed_headroom = MWIFIEX_MIN_DATA_HEADER_LEN;
3042 dev->ethtool_ops = &mwifiex_ethtool_ops;
3043
3044 mdev_priv = netdev_priv(dev);
3045 *((unsigned long *) mdev_priv) = (unsigned long) priv;
3046
3047 SET_NETDEV_DEV(dev, adapter->dev);
3048
3049 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3050 WQ_HIGHPRI |
3051 WQ_MEM_RECLAIM |
3052 WQ_UNBOUND, 1, name);
3053 if (!priv->dfs_cac_workqueue) {
3054 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n");
3055 ret = -ENOMEM;
3056 goto err_alloc_cac;
3057 }
3058
3059 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3060
3061 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3062 WQ_HIGHPRI | WQ_UNBOUND |
3063 WQ_MEM_RECLAIM, 1, name);
3064 if (!priv->dfs_chan_sw_workqueue) {
3065 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n");
3066 ret = -ENOMEM;
3067 goto err_alloc_chsw;
3068 }
3069
3070 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3071 mwifiex_dfs_chan_sw_work_queue);
3072
3073 mutex_init(&priv->async_mutex);
3074
3075 /* Register network device */
3076 if (register_netdevice(dev)) {
3077 mwifiex_dbg(adapter, ERROR, "cannot register network device\n");
3078 ret = -EFAULT;
3079 goto err_reg_netdev;
3080 }
3081
3082 mwifiex_dbg(adapter, INFO,
3083 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3084
3085 #ifdef CONFIG_DEBUG_FS
3086 mwifiex_dev_debugfs_init(priv);
3087 #endif
3088
3089 switch (type) {
3090 case NL80211_IFTYPE_UNSPECIFIED:
3091 case NL80211_IFTYPE_STATION:
3092 case NL80211_IFTYPE_ADHOC:
3093 adapter->curr_iface_comb.sta_intf++;
3094 break;
3095 case NL80211_IFTYPE_AP:
3096 adapter->curr_iface_comb.uap_intf++;
3097 break;
3098 case NL80211_IFTYPE_P2P_CLIENT:
3099 adapter->curr_iface_comb.p2p_intf++;
3100 break;
3101 default:
3102 /* This should be dead code; checked above */
3103 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3104 return ERR_PTR(-EINVAL);
3105 }
3106
3107 return &priv->wdev;
3108
3109 err_reg_netdev:
3110 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3111 priv->dfs_chan_sw_workqueue = NULL;
3112 err_alloc_chsw:
3113 destroy_workqueue(priv->dfs_cac_workqueue);
3114 priv->dfs_cac_workqueue = NULL;
3115 err_alloc_cac:
3116 free_netdev(dev);
3117 priv->netdev = NULL;
3118 err_sta_init:
3119 err_set_bss_mode:
3120 err_alloc_netdev:
3121 memset(&priv->wdev, 0, sizeof(priv->wdev));
3122 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3123 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3124 return ERR_PTR(ret);
3125 }
3126 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3127
3128 /*
3129 * del_virtual_intf: remove the virtual interface determined by dev
3130 */
mwifiex_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)3131 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3132 {
3133 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3134 struct mwifiex_adapter *adapter = priv->adapter;
3135 struct sk_buff *skb, *tmp;
3136
3137 #ifdef CONFIG_DEBUG_FS
3138 mwifiex_dev_debugfs_remove(priv);
3139 #endif
3140
3141 if (priv->sched_scanning)
3142 priv->sched_scanning = false;
3143
3144 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3145
3146 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3147 skb_unlink(skb, &priv->bypass_txq);
3148 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3149 }
3150
3151 if (netif_carrier_ok(priv->netdev))
3152 netif_carrier_off(priv->netdev);
3153
3154 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3155 unregister_netdevice(wdev->netdev);
3156
3157 if (priv->dfs_cac_workqueue) {
3158 flush_workqueue(priv->dfs_cac_workqueue);
3159 destroy_workqueue(priv->dfs_cac_workqueue);
3160 priv->dfs_cac_workqueue = NULL;
3161 }
3162
3163 if (priv->dfs_chan_sw_workqueue) {
3164 flush_workqueue(priv->dfs_chan_sw_workqueue);
3165 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3166 priv->dfs_chan_sw_workqueue = NULL;
3167 }
3168 /* Clear the priv in adapter */
3169 priv->netdev = NULL;
3170
3171 switch (priv->bss_mode) {
3172 case NL80211_IFTYPE_UNSPECIFIED:
3173 case NL80211_IFTYPE_STATION:
3174 case NL80211_IFTYPE_ADHOC:
3175 adapter->curr_iface_comb.sta_intf--;
3176 break;
3177 case NL80211_IFTYPE_AP:
3178 adapter->curr_iface_comb.uap_intf--;
3179 break;
3180 case NL80211_IFTYPE_P2P_CLIENT:
3181 case NL80211_IFTYPE_P2P_GO:
3182 adapter->curr_iface_comb.p2p_intf--;
3183 break;
3184 default:
3185 mwifiex_dbg(adapter, ERROR,
3186 "del_virtual_intf: type not supported\n");
3187 break;
3188 }
3189
3190 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3191
3192 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3193 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3194 kfree(priv->hist_data);
3195
3196 return 0;
3197 }
3198 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3199
3200 static bool
mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern * pat,s8 * byte_seq,u8 max_byte_seq)3201 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3202 u8 max_byte_seq)
3203 {
3204 int j, k, valid_byte_cnt = 0;
3205 bool dont_care_byte = false;
3206
3207 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3208 for (k = 0; k < 8; k++) {
3209 if (pat->mask[j] & 1 << k) {
3210 memcpy(byte_seq + valid_byte_cnt,
3211 &pat->pattern[j * 8 + k], 1);
3212 valid_byte_cnt++;
3213 if (dont_care_byte)
3214 return false;
3215 } else {
3216 if (valid_byte_cnt)
3217 dont_care_byte = true;
3218 }
3219
3220 /* wildcard bytes record as the offset
3221 * before the valid byte
3222 */
3223 if (!valid_byte_cnt && !dont_care_byte)
3224 pat->pkt_offset++;
3225
3226 if (valid_byte_cnt > max_byte_seq)
3227 return false;
3228 }
3229 }
3230
3231 byte_seq[max_byte_seq] = valid_byte_cnt;
3232
3233 return true;
3234 }
3235
3236 #ifdef CONFIG_PM
mwifiex_set_auto_arp_mef_entry(struct mwifiex_private * priv,struct mwifiex_mef_entry * mef_entry)3237 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3238 struct mwifiex_mef_entry *mef_entry)
3239 {
3240 int i, filt_num = 0, num_ipv4 = 0;
3241 struct in_device *in_dev;
3242 struct in_ifaddr *ifa;
3243 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3244 struct mwifiex_adapter *adapter = priv->adapter;
3245
3246 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3247 mef_entry->action = MEF_ACTION_AUTO_ARP;
3248
3249 /* Enable ARP offload feature */
3250 memset(ips, 0, sizeof(ips));
3251 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3252 if (adapter->priv[i]->netdev) {
3253 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3254 if (!in_dev)
3255 continue;
3256 ifa = rtnl_dereference(in_dev->ifa_list);
3257 if (!ifa || !ifa->ifa_local)
3258 continue;
3259 ips[i] = ifa->ifa_local;
3260 num_ipv4++;
3261 }
3262 }
3263
3264 for (i = 0; i < num_ipv4; i++) {
3265 if (!ips[i])
3266 continue;
3267 mef_entry->filter[filt_num].repeat = 1;
3268 memcpy(mef_entry->filter[filt_num].byte_seq,
3269 (u8 *)&ips[i], sizeof(ips[i]));
3270 mef_entry->filter[filt_num].
3271 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3272 sizeof(ips[i]);
3273 mef_entry->filter[filt_num].offset = 46;
3274 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3275 if (filt_num) {
3276 mef_entry->filter[filt_num].filt_action =
3277 TYPE_OR;
3278 }
3279 filt_num++;
3280 }
3281
3282 mef_entry->filter[filt_num].repeat = 1;
3283 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3284 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3285 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3286 mef_entry->filter[filt_num].offset = 20;
3287 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3288 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3289 }
3290
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)3291 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3292 struct mwifiex_ds_mef_cfg *mef_cfg,
3293 struct mwifiex_mef_entry *mef_entry,
3294 struct cfg80211_wowlan *wowlan)
3295 {
3296 int i, filt_num = 0, ret = 0;
3297 bool first_pat = true;
3298 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3299 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3300 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3301
3302 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3303 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3304
3305 for (i = 0; i < wowlan->n_patterns; i++) {
3306 memset(byte_seq, 0, sizeof(byte_seq));
3307 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3308 byte_seq,
3309 MWIFIEX_MEF_MAX_BYTESEQ)) {
3310 mwifiex_dbg(priv->adapter, ERROR,
3311 "Pattern not supported\n");
3312 return -EOPNOTSUPP;
3313 }
3314
3315 if (!wowlan->patterns[i].pkt_offset) {
3316 if (!(byte_seq[0] & 0x01) &&
3317 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3318 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3319 continue;
3320 } else if (is_broadcast_ether_addr(byte_seq)) {
3321 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3322 continue;
3323 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3324 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3325 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3326 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3327 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3328 continue;
3329 }
3330 }
3331 mef_entry->filter[filt_num].repeat = 1;
3332 mef_entry->filter[filt_num].offset =
3333 wowlan->patterns[i].pkt_offset;
3334 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3335 sizeof(byte_seq));
3336 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3337
3338 if (first_pat) {
3339 first_pat = false;
3340 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3341 } else {
3342 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3343 }
3344
3345 filt_num++;
3346 }
3347
3348 if (wowlan->magic_pkt) {
3349 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3350 mef_entry->filter[filt_num].repeat = 16;
3351 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3352 ETH_ALEN);
3353 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3354 ETH_ALEN;
3355 mef_entry->filter[filt_num].offset = 28;
3356 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3357 if (filt_num)
3358 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3359
3360 filt_num++;
3361 mef_entry->filter[filt_num].repeat = 16;
3362 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3363 ETH_ALEN);
3364 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3365 ETH_ALEN;
3366 mef_entry->filter[filt_num].offset = 56;
3367 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3368 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3369 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3370 }
3371 return ret;
3372 }
3373
mwifiex_set_mef_filter(struct mwifiex_private * priv,struct cfg80211_wowlan * wowlan)3374 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3375 struct cfg80211_wowlan *wowlan)
3376 {
3377 int ret = 0, num_entries = 1;
3378 struct mwifiex_ds_mef_cfg mef_cfg;
3379 struct mwifiex_mef_entry *mef_entry;
3380
3381 if (wowlan->n_patterns || wowlan->magic_pkt)
3382 num_entries++;
3383
3384 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3385 if (!mef_entry)
3386 return -ENOMEM;
3387
3388 memset(&mef_cfg, 0, sizeof(mef_cfg));
3389 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3390 MWIFIEX_CRITERIA_UNICAST;
3391 mef_cfg.num_entries = num_entries;
3392 mef_cfg.mef_entry = mef_entry;
3393
3394 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3395
3396 if (wowlan->n_patterns || wowlan->magic_pkt) {
3397 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3398 &mef_entry[1], wowlan);
3399 if (ret)
3400 goto err;
3401 }
3402
3403 if (!mef_cfg.criteria)
3404 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3405 MWIFIEX_CRITERIA_UNICAST |
3406 MWIFIEX_CRITERIA_MULTICAST;
3407
3408 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3409 HostCmd_ACT_GEN_SET, 0,
3410 &mef_cfg, true);
3411
3412 err:
3413 kfree(mef_entry);
3414 return ret;
3415 }
3416
mwifiex_cfg80211_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wowlan)3417 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3418 struct cfg80211_wowlan *wowlan)
3419 {
3420 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3421 struct mwifiex_ds_hs_cfg hs_cfg;
3422 int i, ret = 0, retry_num = 10;
3423 struct mwifiex_private *priv;
3424 struct mwifiex_private *sta_priv =
3425 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3426
3427 sta_priv->scan_aborting = true;
3428 for (i = 0; i < adapter->priv_num; i++) {
3429 priv = adapter->priv[i];
3430 mwifiex_abort_cac(priv);
3431 }
3432
3433 mwifiex_cancel_all_pending_cmd(adapter);
3434
3435 for (i = 0; i < adapter->priv_num; i++) {
3436 priv = adapter->priv[i];
3437 if (priv && priv->netdev)
3438 netif_device_detach(priv->netdev);
3439 }
3440
3441 for (i = 0; i < retry_num; i++) {
3442 if (!mwifiex_wmm_lists_empty(adapter) ||
3443 !mwifiex_bypass_txlist_empty(adapter) ||
3444 !skb_queue_empty(&adapter->tx_data_q))
3445 usleep_range(10000, 15000);
3446 else
3447 break;
3448 }
3449
3450 if (!wowlan) {
3451 mwifiex_dbg(adapter, ERROR,
3452 "None of the WOWLAN triggers enabled\n");
3453 ret = 0;
3454 goto done;
3455 }
3456
3457 if (!sta_priv->media_connected && !wowlan->nd_config) {
3458 mwifiex_dbg(adapter, ERROR,
3459 "Can not configure WOWLAN in disconnected state\n");
3460 ret = 0;
3461 goto done;
3462 }
3463
3464 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3465 if (ret) {
3466 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3467 goto done;
3468 }
3469
3470 memset(&hs_cfg, 0, sizeof(hs_cfg));
3471 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3472
3473 if (wowlan->nd_config) {
3474 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3475 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3476 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3477 wowlan->nd_config);
3478 }
3479
3480 if (wowlan->disconnect) {
3481 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3482 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3483 }
3484
3485 hs_cfg.is_invoke_hostcmd = false;
3486 hs_cfg.gpio = adapter->hs_cfg.gpio;
3487 hs_cfg.gap = adapter->hs_cfg.gap;
3488 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3489 MWIFIEX_SYNC_CMD, &hs_cfg);
3490 if (ret)
3491 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3492
3493 done:
3494 sta_priv->scan_aborting = false;
3495 return ret;
3496 }
3497
mwifiex_cfg80211_resume(struct wiphy * wiphy)3498 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3499 {
3500 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3501 struct mwifiex_private *priv;
3502 struct mwifiex_ds_wakeup_reason wakeup_reason;
3503 struct cfg80211_wowlan_wakeup wakeup_report;
3504 int i;
3505 bool report_wakeup_reason = true;
3506
3507 for (i = 0; i < adapter->priv_num; i++) {
3508 priv = adapter->priv[i];
3509 if (priv && priv->netdev)
3510 netif_device_attach(priv->netdev);
3511 }
3512
3513 if (!wiphy->wowlan_config)
3514 goto done;
3515
3516 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3517 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3518 &wakeup_reason);
3519 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3520
3521 wakeup_report.pattern_idx = -1;
3522
3523 switch (wakeup_reason.hs_wakeup_reason) {
3524 case NO_HSWAKEUP_REASON:
3525 break;
3526 case BCAST_DATA_MATCHED:
3527 break;
3528 case MCAST_DATA_MATCHED:
3529 break;
3530 case UCAST_DATA_MATCHED:
3531 break;
3532 case MASKTABLE_EVENT_MATCHED:
3533 break;
3534 case NON_MASKABLE_EVENT_MATCHED:
3535 if (wiphy->wowlan_config->disconnect)
3536 wakeup_report.disconnect = true;
3537 if (wiphy->wowlan_config->nd_config)
3538 wakeup_report.net_detect = adapter->nd_info;
3539 break;
3540 case NON_MASKABLE_CONDITION_MATCHED:
3541 break;
3542 case MAGIC_PATTERN_MATCHED:
3543 if (wiphy->wowlan_config->magic_pkt)
3544 wakeup_report.magic_pkt = true;
3545 if (wiphy->wowlan_config->n_patterns)
3546 wakeup_report.pattern_idx = 1;
3547 break;
3548 case GTK_REKEY_FAILURE:
3549 if (wiphy->wowlan_config->gtk_rekey_failure)
3550 wakeup_report.gtk_rekey_failure = true;
3551 break;
3552 default:
3553 report_wakeup_reason = false;
3554 break;
3555 }
3556
3557 if (report_wakeup_reason)
3558 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3559 GFP_KERNEL);
3560
3561 done:
3562 if (adapter->nd_info) {
3563 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3564 kfree(adapter->nd_info->matches[i]);
3565 kfree(adapter->nd_info);
3566 adapter->nd_info = NULL;
3567 }
3568
3569 return 0;
3570 }
3571
mwifiex_cfg80211_set_wakeup(struct wiphy * wiphy,bool enabled)3572 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3573 bool enabled)
3574 {
3575 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3576
3577 device_set_wakeup_enable(adapter->dev, enabled);
3578 }
3579
mwifiex_set_rekey_data(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_gtk_rekey_data * data)3580 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3581 struct cfg80211_gtk_rekey_data *data)
3582 {
3583 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3584
3585 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
3586 return -EOPNOTSUPP;
3587
3588 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3589 HostCmd_ACT_GEN_SET, 0, data, true);
3590 }
3591
3592 #endif
3593
mwifiex_get_coalesce_pkt_type(u8 * byte_seq)3594 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3595 {
3596 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3597 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3598 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3599
3600 if ((byte_seq[0] & 0x01) &&
3601 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3602 return PACKET_TYPE_UNICAST;
3603 else if (!memcmp(byte_seq, bc_mac, 4))
3604 return PACKET_TYPE_BROADCAST;
3605 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3606 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3607 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3608 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3609 return PACKET_TYPE_MULTICAST;
3610
3611 return 0;
3612 }
3613
3614 static int
mwifiex_fill_coalesce_rule_info(struct mwifiex_private * priv,struct cfg80211_coalesce_rules * crule,struct mwifiex_coalesce_rule * mrule)3615 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3616 struct cfg80211_coalesce_rules *crule,
3617 struct mwifiex_coalesce_rule *mrule)
3618 {
3619 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3620 struct filt_field_param *param;
3621 int i;
3622
3623 mrule->max_coalescing_delay = crule->delay;
3624
3625 param = mrule->params;
3626
3627 for (i = 0; i < crule->n_patterns; i++) {
3628 memset(byte_seq, 0, sizeof(byte_seq));
3629 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3630 byte_seq,
3631 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3632 mwifiex_dbg(priv->adapter, ERROR,
3633 "Pattern not supported\n");
3634 return -EOPNOTSUPP;
3635 }
3636
3637 if (!crule->patterns[i].pkt_offset) {
3638 u8 pkt_type;
3639
3640 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3641 if (pkt_type && mrule->pkt_type) {
3642 mwifiex_dbg(priv->adapter, ERROR,
3643 "Multiple packet types not allowed\n");
3644 return -EOPNOTSUPP;
3645 } else if (pkt_type) {
3646 mrule->pkt_type = pkt_type;
3647 continue;
3648 }
3649 }
3650
3651 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3652 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3653 else
3654 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3655
3656 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3657 memcpy(param->operand_byte_stream, byte_seq,
3658 param->operand_len);
3659 param->offset = crule->patterns[i].pkt_offset;
3660 param++;
3661
3662 mrule->num_of_fields++;
3663 }
3664
3665 if (!mrule->pkt_type) {
3666 mwifiex_dbg(priv->adapter, ERROR,
3667 "Packet type can not be determined\n");
3668 return -EOPNOTSUPP;
3669 }
3670
3671 return 0;
3672 }
3673
mwifiex_cfg80211_set_coalesce(struct wiphy * wiphy,struct cfg80211_coalesce * coalesce)3674 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3675 struct cfg80211_coalesce *coalesce)
3676 {
3677 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3678 int i, ret;
3679 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3680 struct mwifiex_private *priv =
3681 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3682
3683 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3684 if (!coalesce) {
3685 mwifiex_dbg(adapter, WARN,
3686 "Disable coalesce and reset all previous rules\n");
3687 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3688 HostCmd_ACT_GEN_SET, 0,
3689 &coalesce_cfg, true);
3690 }
3691
3692 coalesce_cfg.num_of_rules = coalesce->n_rules;
3693 for (i = 0; i < coalesce->n_rules; i++) {
3694 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3695 &coalesce_cfg.rule[i]);
3696 if (ret) {
3697 mwifiex_dbg(adapter, ERROR,
3698 "Recheck the patterns provided for rule %d\n",
3699 i + 1);
3700 return ret;
3701 }
3702 }
3703
3704 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3705 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3706 }
3707
3708 /* cfg80211 ops handler for tdls_mgmt.
3709 * Function prepares TDLS action frame packets and forwards them to FW
3710 */
3711 static int
mwifiex_cfg80211_tdls_mgmt(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,u8 action_code,u8 dialog_token,u16 status_code,u32 peer_capability,bool initiator,const u8 * extra_ies,size_t extra_ies_len)3712 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3713 const u8 *peer, u8 action_code, u8 dialog_token,
3714 u16 status_code, u32 peer_capability,
3715 bool initiator, const u8 *extra_ies,
3716 size_t extra_ies_len)
3717 {
3718 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3719 int ret;
3720
3721 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3722 return -EOPNOTSUPP;
3723
3724 /* make sure we are in station mode and connected */
3725 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3726 return -EOPNOTSUPP;
3727
3728 switch (action_code) {
3729 case WLAN_TDLS_SETUP_REQUEST:
3730 mwifiex_dbg(priv->adapter, MSG,
3731 "Send TDLS Setup Request to %pM status_code=%d\n",
3732 peer, status_code);
3733 mwifiex_add_auto_tdls_peer(priv, peer);
3734 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3735 dialog_token, status_code,
3736 extra_ies, extra_ies_len);
3737 break;
3738 case WLAN_TDLS_SETUP_RESPONSE:
3739 mwifiex_add_auto_tdls_peer(priv, peer);
3740 mwifiex_dbg(priv->adapter, MSG,
3741 "Send TDLS Setup Response to %pM status_code=%d\n",
3742 peer, status_code);
3743 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3744 dialog_token, status_code,
3745 extra_ies, extra_ies_len);
3746 break;
3747 case WLAN_TDLS_SETUP_CONFIRM:
3748 mwifiex_dbg(priv->adapter, MSG,
3749 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3750 status_code);
3751 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3752 dialog_token, status_code,
3753 extra_ies, extra_ies_len);
3754 break;
3755 case WLAN_TDLS_TEARDOWN:
3756 mwifiex_dbg(priv->adapter, MSG,
3757 "Send TDLS Tear down to %pM\n", peer);
3758 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3759 dialog_token, status_code,
3760 extra_ies, extra_ies_len);
3761 break;
3762 case WLAN_TDLS_DISCOVERY_REQUEST:
3763 mwifiex_dbg(priv->adapter, MSG,
3764 "Send TDLS Discovery Request to %pM\n", peer);
3765 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3766 dialog_token, status_code,
3767 extra_ies, extra_ies_len);
3768 break;
3769 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3770 mwifiex_dbg(priv->adapter, MSG,
3771 "Send TDLS Discovery Response to %pM\n", peer);
3772 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3773 dialog_token, status_code,
3774 extra_ies, extra_ies_len);
3775 break;
3776 default:
3777 mwifiex_dbg(priv->adapter, ERROR,
3778 "Unknown TDLS mgmt/action frame %pM\n", peer);
3779 ret = -EINVAL;
3780 break;
3781 }
3782
3783 return ret;
3784 }
3785
3786 static int
mwifiex_cfg80211_tdls_oper(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,enum nl80211_tdls_operation action)3787 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3788 const u8 *peer, enum nl80211_tdls_operation action)
3789 {
3790 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3791
3792 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3793 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3794 return -EOPNOTSUPP;
3795
3796 /* make sure we are in station mode and connected */
3797 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3798 return -EOPNOTSUPP;
3799
3800 mwifiex_dbg(priv->adapter, MSG,
3801 "TDLS peer=%pM, oper=%d\n", peer, action);
3802
3803 switch (action) {
3804 case NL80211_TDLS_ENABLE_LINK:
3805 action = MWIFIEX_TDLS_ENABLE_LINK;
3806 break;
3807 case NL80211_TDLS_DISABLE_LINK:
3808 action = MWIFIEX_TDLS_DISABLE_LINK;
3809 break;
3810 case NL80211_TDLS_TEARDOWN:
3811 /* shouldn't happen!*/
3812 mwifiex_dbg(priv->adapter, ERROR,
3813 "tdls_oper: teardown from driver not supported\n");
3814 return -EINVAL;
3815 case NL80211_TDLS_SETUP:
3816 /* shouldn't happen!*/
3817 mwifiex_dbg(priv->adapter, ERROR,
3818 "tdls_oper: setup from driver not supported\n");
3819 return -EINVAL;
3820 case NL80211_TDLS_DISCOVERY_REQ:
3821 /* shouldn't happen!*/
3822 mwifiex_dbg(priv->adapter, ERROR,
3823 "tdls_oper: discovery from driver not supported\n");
3824 return -EINVAL;
3825 default:
3826 mwifiex_dbg(priv->adapter, ERROR,
3827 "tdls_oper: operation not supported\n");
3828 return -EOPNOTSUPP;
3829 }
3830
3831 return mwifiex_tdls_oper(priv, peer, action);
3832 }
3833
3834 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)3835 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3836 const u8 *addr, u8 oper_class,
3837 struct cfg80211_chan_def *chandef)
3838 {
3839 struct mwifiex_sta_node *sta_ptr;
3840 u16 chan;
3841 u8 second_chan_offset, band;
3842 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3843
3844 spin_lock_bh(&priv->sta_list_spinlock);
3845 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3846 if (!sta_ptr) {
3847 spin_unlock_bh(&priv->sta_list_spinlock);
3848 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3849 __func__, addr);
3850 return -ENOENT;
3851 }
3852
3853 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3854 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3855 spin_unlock_bh(&priv->sta_list_spinlock);
3856 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3857 return -ENOENT;
3858 }
3859
3860 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3861 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3862 spin_unlock_bh(&priv->sta_list_spinlock);
3863 wiphy_err(wiphy, "channel switch is running, abort request\n");
3864 return -EALREADY;
3865 }
3866 spin_unlock_bh(&priv->sta_list_spinlock);
3867
3868 chan = chandef->chan->hw_value;
3869 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3870 band = chandef->chan->band;
3871 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3872
3873 return 0;
3874 }
3875
3876 static void
mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy * wiphy,struct net_device * dev,const u8 * addr)3877 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3878 struct net_device *dev,
3879 const u8 *addr)
3880 {
3881 struct mwifiex_sta_node *sta_ptr;
3882 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3883
3884 spin_lock_bh(&priv->sta_list_spinlock);
3885 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3886 if (!sta_ptr) {
3887 spin_unlock_bh(&priv->sta_list_spinlock);
3888 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3889 __func__, addr);
3890 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3891 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3892 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3893 spin_unlock_bh(&priv->sta_list_spinlock);
3894 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3895 addr);
3896 } else {
3897 spin_unlock_bh(&priv->sta_list_spinlock);
3898 mwifiex_stop_tdls_cs(priv, addr);
3899 }
3900 }
3901
3902 static int
mwifiex_cfg80211_add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)3903 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3904 const u8 *mac, struct station_parameters *params)
3905 {
3906 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3907
3908 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3909 return -EOPNOTSUPP;
3910
3911 /* make sure we are in station mode and connected */
3912 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3913 return -EOPNOTSUPP;
3914
3915 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3916 }
3917
3918 static int
mwifiex_cfg80211_channel_switch(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_csa_settings * params)3919 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3920 struct cfg80211_csa_settings *params)
3921 {
3922 struct ieee_types_header *chsw_ie;
3923 struct ieee80211_channel_sw_ie *channel_sw;
3924 int chsw_msec;
3925 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3926
3927 if (priv->adapter->scan_processing) {
3928 mwifiex_dbg(priv->adapter, ERROR,
3929 "radar detection: scan in process...\n");
3930 return -EBUSY;
3931 }
3932
3933 if (priv->wdev.cac_started)
3934 return -EBUSY;
3935
3936 if (cfg80211_chandef_identical(¶ms->chandef,
3937 &priv->dfs_chandef))
3938 return -EINVAL;
3939
3940 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3941 params->beacon_csa.tail,
3942 params->beacon_csa.tail_len);
3943 if (!chsw_ie) {
3944 mwifiex_dbg(priv->adapter, ERROR,
3945 "Could not parse channel switch announcement IE\n");
3946 return -EINVAL;
3947 }
3948
3949 channel_sw = (void *)(chsw_ie + 1);
3950 if (channel_sw->mode) {
3951 if (netif_carrier_ok(priv->netdev))
3952 netif_carrier_off(priv->netdev);
3953 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3954 }
3955
3956 if (mwifiex_del_mgmt_ies(priv))
3957 mwifiex_dbg(priv->adapter, ERROR,
3958 "Failed to delete mgmt IEs!\n");
3959
3960 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) {
3961 mwifiex_dbg(priv->adapter, ERROR,
3962 "%s: setting mgmt ies failed\n", __func__);
3963 return -EFAULT;
3964 }
3965
3966 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef));
3967 memcpy(&priv->beacon_after, ¶ms->beacon_after,
3968 sizeof(priv->beacon_after));
3969
3970 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
3971 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
3972 msecs_to_jiffies(chsw_msec));
3973 return 0;
3974 }
3975
mwifiex_cfg80211_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_chan_def * chandef)3976 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
3977 struct wireless_dev *wdev,
3978 struct cfg80211_chan_def *chandef)
3979 {
3980 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3981 struct mwifiex_bssdescriptor *curr_bss;
3982 struct ieee80211_channel *chan;
3983 enum nl80211_channel_type chan_type;
3984 enum nl80211_band band;
3985 int freq;
3986 int ret = -ENODATA;
3987
3988 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
3989 cfg80211_chandef_valid(&priv->bss_chandef)) {
3990 *chandef = priv->bss_chandef;
3991 ret = 0;
3992 } else if (priv->media_connected) {
3993 curr_bss = &priv->curr_bss_params.bss_descriptor;
3994 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
3995 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
3996 chan = ieee80211_get_channel(wiphy, freq);
3997
3998 if (priv->ht_param_present) {
3999 chan_type = mwifiex_get_chan_type(priv);
4000 cfg80211_chandef_create(chandef, chan, chan_type);
4001 } else {
4002 cfg80211_chandef_create(chandef, chan,
4003 NL80211_CHAN_NO_HT);
4004 }
4005 ret = 0;
4006 }
4007
4008 return ret;
4009 }
4010
4011 #ifdef CONFIG_NL80211_TESTMODE
4012
4013 enum mwifiex_tm_attr {
4014 __MWIFIEX_TM_ATTR_INVALID = 0,
4015 MWIFIEX_TM_ATTR_CMD = 1,
4016 MWIFIEX_TM_ATTR_DATA = 2,
4017
4018 /* keep last */
4019 __MWIFIEX_TM_ATTR_AFTER_LAST,
4020 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
4021 };
4022
4023 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
4024 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
4025 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
4026 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
4027 };
4028
4029 enum mwifiex_tm_command {
4030 MWIFIEX_TM_CMD_HOSTCMD = 0,
4031 };
4032
mwifiex_tm_cmd(struct wiphy * wiphy,struct wireless_dev * wdev,void * data,int len)4033 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
4034 void *data, int len)
4035 {
4036 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4037 struct mwifiex_ds_misc_cmd *hostcmd;
4038 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
4039 struct sk_buff *skb;
4040 int err;
4041
4042 if (!priv)
4043 return -EINVAL;
4044
4045 err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len,
4046 mwifiex_tm_policy, NULL);
4047 if (err)
4048 return err;
4049
4050 if (!tb[MWIFIEX_TM_ATTR_CMD])
4051 return -EINVAL;
4052
4053 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4054 case MWIFIEX_TM_CMD_HOSTCMD:
4055 if (!tb[MWIFIEX_TM_ATTR_DATA])
4056 return -EINVAL;
4057
4058 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4059 if (!hostcmd)
4060 return -ENOMEM;
4061
4062 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4063 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4064 hostcmd->len);
4065
4066 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4067 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4068 kfree(hostcmd);
4069 return -EFAULT;
4070 }
4071
4072 /* process hostcmd response*/
4073 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4074 if (!skb) {
4075 kfree(hostcmd);
4076 return -ENOMEM;
4077 }
4078 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4079 hostcmd->len, hostcmd->cmd);
4080 if (err) {
4081 kfree(hostcmd);
4082 kfree_skb(skb);
4083 return -EMSGSIZE;
4084 }
4085
4086 err = cfg80211_testmode_reply(skb);
4087 kfree(hostcmd);
4088 return err;
4089 default:
4090 return -EOPNOTSUPP;
4091 }
4092 }
4093 #endif
4094
4095 static int
mwifiex_cfg80211_start_radar_detection(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_chan_def * chandef,u32 cac_time_ms)4096 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4097 struct net_device *dev,
4098 struct cfg80211_chan_def *chandef,
4099 u32 cac_time_ms)
4100 {
4101 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4102 struct mwifiex_radar_params radar_params;
4103
4104 if (priv->adapter->scan_processing) {
4105 mwifiex_dbg(priv->adapter, ERROR,
4106 "radar detection: scan already in process...\n");
4107 return -EBUSY;
4108 }
4109
4110 if (!mwifiex_is_11h_active(priv)) {
4111 mwifiex_dbg(priv->adapter, INFO,
4112 "Enable 11h extensions in FW\n");
4113 if (mwifiex_11h_activate(priv, true)) {
4114 mwifiex_dbg(priv->adapter, ERROR,
4115 "Failed to activate 11h extensions!!");
4116 return -1;
4117 }
4118 priv->state_11h.is_11h_active = true;
4119 }
4120
4121 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4122 radar_params.chandef = chandef;
4123 radar_params.cac_time_ms = cac_time_ms;
4124
4125 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4126
4127 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4128 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4129 return -1;
4130
4131 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4132 msecs_to_jiffies(cac_time_ms));
4133 return 0;
4134 }
4135
4136 static int
mwifiex_cfg80211_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)4137 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4138 const u8 *mac,
4139 struct station_parameters *params)
4140 {
4141 int ret;
4142 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4143
4144 /* we support change_station handler only for TDLS peers*/
4145 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4146 return -EOPNOTSUPP;
4147
4148 /* make sure we are in station mode and connected */
4149 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4150 return -EOPNOTSUPP;
4151
4152 priv->sta_params = params;
4153
4154 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4155 priv->sta_params = NULL;
4156
4157 return ret;
4158 }
4159
4160 /* station cfg80211 operations */
4161 static struct cfg80211_ops mwifiex_cfg80211_ops = {
4162 .add_virtual_intf = mwifiex_add_virtual_intf,
4163 .del_virtual_intf = mwifiex_del_virtual_intf,
4164 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4165 .scan = mwifiex_cfg80211_scan,
4166 .connect = mwifiex_cfg80211_connect,
4167 .disconnect = mwifiex_cfg80211_disconnect,
4168 .get_station = mwifiex_cfg80211_get_station,
4169 .dump_station = mwifiex_cfg80211_dump_station,
4170 .dump_survey = mwifiex_cfg80211_dump_survey,
4171 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4172 .join_ibss = mwifiex_cfg80211_join_ibss,
4173 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4174 .add_key = mwifiex_cfg80211_add_key,
4175 .del_key = mwifiex_cfg80211_del_key,
4176 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4177 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4178 .update_mgmt_frame_registrations =
4179 mwifiex_cfg80211_update_mgmt_frame_registrations,
4180 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4181 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4182 .set_default_key = mwifiex_cfg80211_set_default_key,
4183 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4184 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4185 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4186 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4187 .start_ap = mwifiex_cfg80211_start_ap,
4188 .stop_ap = mwifiex_cfg80211_stop_ap,
4189 .change_beacon = mwifiex_cfg80211_change_beacon,
4190 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4191 .set_antenna = mwifiex_cfg80211_set_antenna,
4192 .get_antenna = mwifiex_cfg80211_get_antenna,
4193 .del_station = mwifiex_cfg80211_del_station,
4194 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4195 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4196 #ifdef CONFIG_PM
4197 .suspend = mwifiex_cfg80211_suspend,
4198 .resume = mwifiex_cfg80211_resume,
4199 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4200 .set_rekey_data = mwifiex_set_rekey_data,
4201 #endif
4202 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4203 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4204 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4205 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4206 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4207 .add_station = mwifiex_cfg80211_add_station,
4208 .change_station = mwifiex_cfg80211_change_station,
4209 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4210 .get_channel = mwifiex_cfg80211_get_channel,
4211 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4212 .channel_switch = mwifiex_cfg80211_channel_switch,
4213 };
4214
4215 #ifdef CONFIG_PM
4216 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4217 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4218 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4219 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4220 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4221 .pattern_min_len = 1,
4222 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4223 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4224 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4225 };
4226
4227 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = {
4228 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4229 WIPHY_WOWLAN_NET_DETECT,
4230 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4231 .pattern_min_len = 1,
4232 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4233 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4234 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4235 };
4236 #endif
4237
mwifiex_is_valid_alpha2(const char * alpha2)4238 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4239 {
4240 if (!alpha2 || strlen(alpha2) != 2)
4241 return false;
4242
4243 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4244 return true;
4245
4246 return false;
4247 }
4248
4249 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4250 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4251 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4252 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4253 .pattern_min_len = 1,
4254 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4255 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4256 };
4257
mwifiex_init_channel_scan_gap(struct mwifiex_adapter * adapter)4258 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4259 {
4260 u32 n_channels_bg, n_channels_a = 0;
4261
4262 n_channels_bg = mwifiex_band_2ghz.n_channels;
4263
4264 if (adapter->config_bands & BAND_A)
4265 n_channels_a = mwifiex_band_5ghz.n_channels;
4266
4267 /* allocate twice the number total channels, since the driver issues an
4268 * additional active scan request for hidden SSIDs on passive channels.
4269 */
4270 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a);
4271 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats),
4272 adapter->num_in_chan_stats));
4273
4274 if (!adapter->chan_stats)
4275 return -ENOMEM;
4276
4277 return 0;
4278 }
4279
4280 /*
4281 * This function registers the device with CFG802.11 subsystem.
4282 *
4283 * The function creates the wireless device/wiphy, populates it with
4284 * default parameters and handler function pointers, and finally
4285 * registers the device.
4286 */
4287
mwifiex_register_cfg80211(struct mwifiex_adapter * adapter)4288 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4289 {
4290 int ret;
4291 void *wdev_priv;
4292 struct wiphy *wiphy;
4293 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4294 u8 *country_code;
4295 u32 thr, retry;
4296
4297 /* create a new wiphy for use with cfg80211 */
4298 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
4299 sizeof(struct mwifiex_adapter *));
4300 if (!wiphy) {
4301 mwifiex_dbg(adapter, ERROR,
4302 "%s: creating new wiphy\n", __func__);
4303 return -ENOMEM;
4304 }
4305 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4306 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4307 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4308 wiphy->max_remain_on_channel_duration = 5000;
4309 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4310 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4311 BIT(NL80211_IFTYPE_P2P_GO) |
4312 BIT(NL80211_IFTYPE_AP);
4313
4314 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4315 wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
4316
4317 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz;
4318 if (adapter->config_bands & BAND_A)
4319 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz;
4320 else
4321 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4322
4323 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4324 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4325 else if (adapter->is_hw_11ac_capable)
4326 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4327 else
4328 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4329 wiphy->n_iface_combinations = 1;
4330
4331 if (adapter->max_sta_conn > adapter->max_p2p_conn)
4332 wiphy->max_ap_assoc_sta = adapter->max_sta_conn;
4333 else
4334 wiphy->max_ap_assoc_sta = adapter->max_p2p_conn;
4335
4336 /* Initialize cipher suits */
4337 wiphy->cipher_suites = mwifiex_cipher_suites;
4338 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4339
4340 if (adapter->regd) {
4341 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4342 REGULATORY_DISABLE_BEACON_HINTS |
4343 REGULATORY_COUNTRY_IE_IGNORE;
4344 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4345 }
4346
4347 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4348 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4349 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
4350 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4351 WIPHY_FLAG_AP_UAPSD |
4352 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4353 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4354 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4355
4356 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4357 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4358 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4359
4360 #ifdef CONFIG_PM
4361 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
4362 wiphy->wowlan = &mwifiex_wowlan_support;
4363 else
4364 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk;
4365 #endif
4366
4367 wiphy->coalesce = &mwifiex_coalesce_support;
4368
4369 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4370 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4371 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4372
4373 wiphy->max_sched_scan_reqs = 1;
4374 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4375 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4376 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4377
4378 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4379 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4380
4381 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER |
4382 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4383 NL80211_FEATURE_NEED_OBSS_SCAN;
4384
4385 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4386 wiphy->features |= NL80211_FEATURE_HT_IBSS;
4387
4388 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info))
4389 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4390 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4391 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4392
4393 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4394 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4395
4396 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4397 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4398
4399 /* Reserve space for mwifiex specific private data for BSS */
4400 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4401
4402 wiphy->reg_notifier = mwifiex_reg_notifier;
4403
4404 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4405 wdev_priv = wiphy_priv(wiphy);
4406 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4407
4408 set_wiphy_dev(wiphy, priv->adapter->dev);
4409
4410 ret = wiphy_register(wiphy);
4411 if (ret < 0) {
4412 mwifiex_dbg(adapter, ERROR,
4413 "%s: wiphy_register failed: %d\n", __func__, ret);
4414 wiphy_free(wiphy);
4415 return ret;
4416 }
4417
4418 if (!adapter->regd) {
4419 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4420 mwifiex_dbg(adapter, INFO,
4421 "driver hint alpha2: %2.2s\n", reg_alpha2);
4422 regulatory_hint(wiphy, reg_alpha2);
4423 } else {
4424 if (adapter->region_code == 0x00) {
4425 mwifiex_dbg(adapter, WARN,
4426 "Ignore world regulatory domain\n");
4427 } else {
4428 wiphy->regulatory_flags |=
4429 REGULATORY_DISABLE_BEACON_HINTS |
4430 REGULATORY_COUNTRY_IE_IGNORE;
4431 country_code =
4432 mwifiex_11d_code_2_region(
4433 adapter->region_code);
4434 if (country_code &&
4435 regulatory_hint(wiphy, country_code))
4436 mwifiex_dbg(priv->adapter, ERROR,
4437 "regulatory_hint() failed\n");
4438 }
4439 }
4440 }
4441
4442 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4443 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4444 wiphy->frag_threshold = thr;
4445 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4446 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4447 wiphy->rts_threshold = thr;
4448 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4449 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4450 wiphy->retry_short = (u8) retry;
4451 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4452 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4453 wiphy->retry_long = (u8) retry;
4454
4455 adapter->wiphy = wiphy;
4456 return ret;
4457 }
4458