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