1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * NXP Wireless LAN device driver: CFG80211
4 *
5 * Copyright 2011-2020 NXP
6 */
7
8 #include "cfg80211.h"
9 #include "main.h"
10 #include "11n.h"
11 #include "wmm.h"
12
13 static char *reg_alpha2;
14 module_param(reg_alpha2, charp, 0);
15
16 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
17 {
18 .max = MWIFIEX_MAX_BSS_NUM,
19 .types = BIT(NL80211_IFTYPE_STATION) |
20 BIT(NL80211_IFTYPE_P2P_GO) |
21 BIT(NL80211_IFTYPE_P2P_CLIENT) |
22 BIT(NL80211_IFTYPE_AP),
23 },
24 };
25
26 static const struct ieee80211_iface_combination
27 mwifiex_iface_comb_ap_sta = {
28 .limits = mwifiex_ap_sta_limits,
29 .num_different_channels = 1,
30 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
31 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
32 .beacon_int_infra_match = true,
33 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
34 BIT(NL80211_CHAN_WIDTH_20) |
35 BIT(NL80211_CHAN_WIDTH_40),
36 };
37
38 static const struct ieee80211_iface_combination
39 mwifiex_iface_comb_ap_sta_vht = {
40 .limits = mwifiex_ap_sta_limits,
41 .num_different_channels = 1,
42 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
43 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
44 .beacon_int_infra_match = true,
45 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
46 BIT(NL80211_CHAN_WIDTH_20) |
47 BIT(NL80211_CHAN_WIDTH_40) |
48 BIT(NL80211_CHAN_WIDTH_80),
49 };
50
51 static const struct
52 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
53 .limits = mwifiex_ap_sta_limits,
54 .num_different_channels = 2,
55 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
56 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
57 .beacon_int_infra_match = true,
58 };
59
60 /*
61 * This function maps the nl802.11 channel type into driver channel type.
62 *
63 * The mapping is as follows -
64 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
65 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
66 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
67 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
68 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
69 */
mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)70 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
71 {
72 switch (chan_type) {
73 case NL80211_CHAN_NO_HT:
74 case NL80211_CHAN_HT20:
75 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
76 case NL80211_CHAN_HT40PLUS:
77 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
78 case NL80211_CHAN_HT40MINUS:
79 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
80 default:
81 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
82 }
83 }
84
85 /* This function maps IEEE HT secondary channel type to NL80211 channel type
86 */
mwifiex_get_chan_type(struct mwifiex_private * priv)87 u8 mwifiex_get_chan_type(struct mwifiex_private *priv)
88 {
89 struct mwifiex_channel_band channel_band;
90 int ret;
91
92 ret = mwifiex_get_chan_info(priv, &channel_band);
93
94 if (!ret) {
95 switch (channel_band.band_config.chan_width) {
96 case CHAN_BW_20MHZ:
97 if (IS_11N_ENABLED(priv))
98 return NL80211_CHAN_HT20;
99 else
100 return NL80211_CHAN_NO_HT;
101 case CHAN_BW_40MHZ:
102 if (channel_band.band_config.chan2_offset ==
103 SEC_CHAN_ABOVE)
104 return NL80211_CHAN_HT40PLUS;
105 else
106 return NL80211_CHAN_HT40MINUS;
107 default:
108 return NL80211_CHAN_HT20;
109 }
110 }
111
112 return NL80211_CHAN_HT20;
113 }
114
115 /*
116 * This function checks whether WEP is set.
117 */
118 static int
mwifiex_is_alg_wep(u32 cipher)119 mwifiex_is_alg_wep(u32 cipher)
120 {
121 switch (cipher) {
122 case WLAN_CIPHER_SUITE_WEP40:
123 case WLAN_CIPHER_SUITE_WEP104:
124 return 1;
125 default:
126 break;
127 }
128
129 return 0;
130 }
131
132 /*
133 * This function retrieves the private structure from kernel wiphy structure.
134 */
mwifiex_cfg80211_get_adapter(struct wiphy * wiphy)135 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
136 {
137 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
138 }
139
140 /*
141 * CFG802.11 operation handler to delete a network key.
142 */
143 static int
mwifiex_cfg80211_del_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr)144 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
145 int link_id, u8 key_index, bool pairwise,
146 const u8 *mac_addr)
147 {
148 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
149 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
150 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
151
152 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
153 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
154 return -EFAULT;
155 }
156
157 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
158 return 0;
159 }
160
161 /*
162 * This function forms an skb for management frame.
163 */
164 static int
mwifiex_form_mgmt_frame(struct sk_buff * skb,const u8 * buf,size_t len)165 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
166 {
167 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
168 u16 pkt_len;
169 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
170
171 pkt_len = len + ETH_ALEN;
172
173 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
174 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
175 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
176
177 memcpy(skb_push(skb, sizeof(tx_control)),
178 &tx_control, sizeof(tx_control));
179
180 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
181
182 /* Add packet data and address4 */
183 skb_put_data(skb, buf, sizeof(struct ieee80211_hdr_3addr));
184 skb_put_data(skb, addr, ETH_ALEN);
185 skb_put_data(skb, buf + sizeof(struct ieee80211_hdr_3addr),
186 len - sizeof(struct ieee80211_hdr_3addr));
187
188 skb->priority = LOW_PRIO_TID;
189 __net_timestamp(skb);
190
191 return 0;
192 }
193
194 /*
195 * CFG802.11 operation handler to transmit a management frame.
196 */
197 static int
mwifiex_cfg80211_mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)198 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
199 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
200 {
201 const u8 *buf = params->buf;
202 size_t len = params->len;
203 struct sk_buff *skb;
204 u16 pkt_len;
205 const struct ieee80211_mgmt *mgmt;
206 struct mwifiex_txinfo *tx_info;
207 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
208
209 if (!buf || !len) {
210 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
211 return -EFAULT;
212 }
213
214 mgmt = (const struct ieee80211_mgmt *)buf;
215 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
216 ieee80211_is_probe_resp(mgmt->frame_control)) {
217 /* Since we support offload probe resp, we need to skip probe
218 * resp in AP or GO mode */
219 mwifiex_dbg(priv->adapter, INFO,
220 "info: skip to send probe resp in AP or GO mode\n");
221 return 0;
222 }
223
224 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
225 if (ieee80211_is_auth(mgmt->frame_control))
226 mwifiex_dbg(priv->adapter, MSG,
227 "auth: send auth to %pM\n", mgmt->da);
228 if (ieee80211_is_deauth(mgmt->frame_control))
229 mwifiex_dbg(priv->adapter, MSG,
230 "auth: send deauth to %pM\n", mgmt->da);
231 if (ieee80211_is_disassoc(mgmt->frame_control))
232 mwifiex_dbg(priv->adapter, MSG,
233 "assoc: send disassoc to %pM\n", mgmt->da);
234 if (ieee80211_is_assoc_resp(mgmt->frame_control))
235 mwifiex_dbg(priv->adapter, MSG,
236 "assoc: send assoc resp to %pM\n",
237 mgmt->da);
238 if (ieee80211_is_reassoc_resp(mgmt->frame_control))
239 mwifiex_dbg(priv->adapter, MSG,
240 "assoc: send reassoc resp to %pM\n",
241 mgmt->da);
242 }
243
244 pkt_len = len + ETH_ALEN;
245 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
246 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
247 pkt_len + sizeof(pkt_len));
248
249 if (!skb) {
250 mwifiex_dbg(priv->adapter, ERROR,
251 "allocate skb failed for management frame\n");
252 return -ENOMEM;
253 }
254
255 tx_info = MWIFIEX_SKB_TXCB(skb);
256 memset(tx_info, 0, sizeof(*tx_info));
257 tx_info->bss_num = priv->bss_num;
258 tx_info->bss_type = priv->bss_type;
259 tx_info->pkt_len = pkt_len;
260
261 mwifiex_form_mgmt_frame(skb, buf, len);
262 *cookie = get_random_u32() | 1;
263
264 if (ieee80211_is_action(mgmt->frame_control))
265 skb = mwifiex_clone_skb_for_tx_status(priv,
266 skb,
267 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
268 else
269 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
270 GFP_ATOMIC);
271
272 mwifiex_queue_tx_pkt(priv, skb);
273
274 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
275 return 0;
276 }
277
278 /*
279 * CFG802.11 operation handler to register a mgmt frame.
280 */
281 static void
mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy * wiphy,struct wireless_dev * wdev,struct mgmt_frame_regs * upd)282 mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
283 struct wireless_dev *wdev,
284 struct mgmt_frame_regs *upd)
285 {
286 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
287 u32 mask = upd->interface_stypes;
288
289 if (mask != priv->mgmt_frame_mask) {
290 priv->mgmt_frame_mask = mask;
291 if (priv->host_mlme_reg)
292 priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK;
293 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
294 HostCmd_ACT_GEN_SET, 0,
295 &priv->mgmt_frame_mask, false);
296 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
297 }
298 }
299
300 /*
301 * CFG802.11 operation handler to remain on channel.
302 */
303 static int
mwifiex_cfg80211_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,struct ieee80211_channel * chan,unsigned int duration,u64 * cookie)304 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
305 struct wireless_dev *wdev,
306 struct ieee80211_channel *chan,
307 unsigned int duration, u64 *cookie)
308 {
309 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
310 int ret;
311
312 if (!chan || !cookie) {
313 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
314 return -EINVAL;
315 }
316
317 if (priv->roc_cfg.cookie) {
318 mwifiex_dbg(priv->adapter, INFO,
319 "info: ongoing ROC, cookie = 0x%llx\n",
320 priv->roc_cfg.cookie);
321 return -EBUSY;
322 }
323
324 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
325 duration);
326
327 if (!ret) {
328 *cookie = get_random_u32() | 1;
329 priv->roc_cfg.cookie = *cookie;
330 priv->roc_cfg.chan = *chan;
331
332 cfg80211_ready_on_channel(wdev, *cookie, chan,
333 duration, GFP_ATOMIC);
334
335 mwifiex_dbg(priv->adapter, INFO,
336 "info: ROC, cookie = 0x%llx\n", *cookie);
337 }
338
339 return ret;
340 }
341
342 /*
343 * CFG802.11 operation handler to cancel remain on channel.
344 */
345 static int
mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)346 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
347 struct wireless_dev *wdev, u64 cookie)
348 {
349 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
350 int ret;
351
352 if (cookie != priv->roc_cfg.cookie)
353 return -ENOENT;
354
355 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
356 &priv->roc_cfg.chan, 0);
357
358 if (!ret) {
359 cfg80211_remain_on_channel_expired(wdev, cookie,
360 &priv->roc_cfg.chan,
361 GFP_ATOMIC);
362
363 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
364
365 mwifiex_dbg(priv->adapter, INFO,
366 "info: cancel ROC, cookie = 0x%llx\n", cookie);
367 }
368
369 return ret;
370 }
371
372 /*
373 * CFG802.11 operation handler to set Tx power.
374 */
375 static int
mwifiex_cfg80211_set_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int radio_idx,enum nl80211_tx_power_setting type,int mbm)376 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
377 struct wireless_dev *wdev,
378 int radio_idx,
379 enum nl80211_tx_power_setting type,
380 int mbm)
381 {
382 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
383 struct mwifiex_private *priv;
384 struct mwifiex_power_cfg power_cfg;
385 int dbm = MBM_TO_DBM(mbm);
386
387 switch (type) {
388 case NL80211_TX_POWER_FIXED:
389 power_cfg.is_power_auto = 0;
390 power_cfg.is_power_fixed = 1;
391 power_cfg.power_level = dbm;
392 break;
393 case NL80211_TX_POWER_LIMITED:
394 power_cfg.is_power_auto = 0;
395 power_cfg.is_power_fixed = 0;
396 power_cfg.power_level = dbm;
397 break;
398 case NL80211_TX_POWER_AUTOMATIC:
399 power_cfg.is_power_auto = 1;
400 break;
401 }
402
403 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
404
405 return mwifiex_set_tx_power(priv, &power_cfg);
406 }
407
408 /*
409 * CFG802.11 operation handler to get Tx power.
410 */
411 static int
mwifiex_cfg80211_get_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int radio_idx,unsigned int link_id,int * dbm)412 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
413 struct wireless_dev *wdev,
414 int radio_idx,
415 unsigned int link_id, int *dbm)
416 {
417 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
418 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
419 MWIFIEX_BSS_ROLE_ANY);
420 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
421 HostCmd_ACT_GEN_GET, 0, NULL, true);
422
423 if (ret < 0)
424 return ret;
425
426 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
427 *dbm = priv->tx_power_level;
428
429 return 0;
430 }
431
432 /*
433 * CFG802.11 operation handler to set Power Save option.
434 *
435 * The timeout value, if provided, is currently ignored.
436 */
437 static int
mwifiex_cfg80211_set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)438 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
439 struct net_device *dev,
440 bool enabled, int timeout)
441 {
442 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
443 u32 ps_mode;
444
445 if (timeout)
446 mwifiex_dbg(priv->adapter, INFO,
447 "info: ignore timeout value for IEEE Power Save\n");
448
449 ps_mode = enabled;
450
451 return mwifiex_drv_set_power(priv, &ps_mode);
452 }
453
454 /*
455 * CFG802.11 operation handler to set the default network key.
456 */
457 static int
mwifiex_cfg80211_set_default_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool unicast,bool multicast)458 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
459 int link_id, u8 key_index, bool unicast,
460 bool multicast)
461 {
462 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
463
464 /* Return if WEP key not configured */
465 if (!priv->sec_info.wep_enabled)
466 return 0;
467
468 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
469 priv->wep_key_curr_index = key_index;
470 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
471 NULL, 0)) {
472 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
473 return -EFAULT;
474 }
475
476 return 0;
477 }
478
479 /*
480 * CFG802.11 operation handler to add a network key.
481 */
482 static int
mwifiex_cfg80211_add_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr,struct key_params * params)483 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
484 int link_id, u8 key_index, bool pairwise,
485 const u8 *mac_addr, struct key_params *params)
486 {
487 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
488 struct mwifiex_wep_key *wep_key;
489 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
490 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
491
492 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
493 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
494 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
495 if (params->key && params->key_len) {
496 wep_key = &priv->wep_key[key_index];
497 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
498 memcpy(wep_key->key_material, params->key,
499 params->key_len);
500 wep_key->key_index = key_index;
501 wep_key->key_length = params->key_len;
502 priv->sec_info.wep_enabled = 1;
503 }
504 return 0;
505 }
506
507 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
508 key_index, peer_mac, 0)) {
509 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
510 return -EFAULT;
511 }
512
513 return 0;
514 }
515
516 /*
517 * CFG802.11 operation handler to set default mgmt key.
518 */
519 static int
mwifiex_cfg80211_set_default_mgmt_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index)520 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy,
521 struct net_device *netdev,
522 int link_id,
523 u8 key_index)
524 {
525 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
526 struct mwifiex_ds_encrypt_key encrypt_key;
527
528 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index);
529
530 if (priv->adapter->host_mlme_enabled)
531 return 0;
532
533 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key));
534 encrypt_key.key_len = WLAN_KEY_LEN_CCMP;
535 encrypt_key.key_index = key_index;
536 encrypt_key.is_igtk_def_key = true;
537 eth_broadcast_addr(encrypt_key.mac_addr);
538
539 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
540 HostCmd_ACT_GEN_SET, true, &encrypt_key, true)) {
541 mwifiex_dbg(priv->adapter, ERROR,
542 "Sending KEY_MATERIAL command failed\n");
543 return -1;
544 }
545
546 return 0;
547 }
548
549 /*
550 * This function sends domain information to the firmware.
551 *
552 * The following information are passed to the firmware -
553 * - Country codes
554 * - Sub bands (first channel, number of channels, maximum Tx power)
555 */
mwifiex_send_domain_info_cmd_fw(struct wiphy * wiphy)556 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
557 {
558 u8 no_of_triplet = 0;
559 struct ieee80211_country_ie_triplet *t;
560 u8 no_of_parsed_chan = 0;
561 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
562 u8 i, flag = 0;
563 enum nl80211_band band;
564 struct ieee80211_supported_band *sband;
565 struct ieee80211_channel *ch;
566 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
567 struct mwifiex_private *priv;
568 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
569
570 /* Set country code */
571 domain_info->country_code[0] = adapter->country_code[0];
572 domain_info->country_code[1] = adapter->country_code[1];
573 domain_info->country_code[2] = ' ';
574
575 band = mwifiex_band_to_radio_type(adapter->config_bands);
576 if (!wiphy->bands[band]) {
577 mwifiex_dbg(adapter, ERROR,
578 "11D: setting domain info in FW\n");
579 return -1;
580 }
581
582 sband = wiphy->bands[band];
583
584 for (i = 0; i < sband->n_channels ; i++) {
585 ch = &sband->channels[i];
586 if (ch->flags & IEEE80211_CHAN_DISABLED)
587 continue;
588
589 if (!flag) {
590 flag = 1;
591 first_chan = (u32) ch->hw_value;
592 next_chan = first_chan;
593 max_pwr = ch->max_power;
594 no_of_parsed_chan = 1;
595 continue;
596 }
597
598 if (ch->hw_value == next_chan + 1 &&
599 ch->max_power == max_pwr) {
600 next_chan++;
601 no_of_parsed_chan++;
602 } else {
603 t = &domain_info->triplet[no_of_triplet];
604 t->chans.first_channel = first_chan;
605 t->chans.num_channels = no_of_parsed_chan;
606 t->chans.max_power = max_pwr;
607 no_of_triplet++;
608 first_chan = (u32) ch->hw_value;
609 next_chan = first_chan;
610 max_pwr = ch->max_power;
611 no_of_parsed_chan = 1;
612 }
613 }
614
615 if (flag) {
616 t = &domain_info->triplet[no_of_triplet];
617 t->chans.first_channel = first_chan;
618 t->chans.num_channels = no_of_parsed_chan;
619 t->chans.max_power = max_pwr;
620 no_of_triplet++;
621 }
622
623 domain_info->no_of_triplet = no_of_triplet;
624
625 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
626
627 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
628 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
629 mwifiex_dbg(adapter, INFO,
630 "11D: setting domain info in FW\n");
631 return -1;
632 }
633
634 return 0;
635 }
636
mwifiex_reg_apply_radar_flags(struct wiphy * wiphy)637 static void mwifiex_reg_apply_radar_flags(struct wiphy *wiphy)
638 {
639 struct ieee80211_supported_band *sband;
640 struct ieee80211_channel *chan;
641 unsigned int i;
642
643 if (!wiphy->bands[NL80211_BAND_5GHZ])
644 return;
645 sband = wiphy->bands[NL80211_BAND_5GHZ];
646
647 for (i = 0; i < sband->n_channels; i++) {
648 chan = &sband->channels[i];
649 if ((!(chan->flags & IEEE80211_CHAN_DISABLED)) &&
650 (chan->flags & IEEE80211_CHAN_RADAR))
651 chan->flags |= IEEE80211_CHAN_NO_IR;
652 }
653 }
654
655 /*
656 * CFG802.11 regulatory domain callback function.
657 *
658 * This function is called when the regulatory domain is changed due to the
659 * following reasons -
660 * - Set by driver
661 * - Set by system core
662 * - Set by user
663 * - Set bt Country IE
664 */
mwifiex_reg_notifier(struct wiphy * wiphy,struct regulatory_request * request)665 static void mwifiex_reg_notifier(struct wiphy *wiphy,
666 struct regulatory_request *request)
667 {
668 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
669 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
670 MWIFIEX_BSS_ROLE_ANY);
671 mwifiex_dbg(adapter, INFO,
672 "info: cfg80211 regulatory domain callback for %c%c\n",
673 request->alpha2[0], request->alpha2[1]);
674 mwifiex_reg_apply_radar_flags(wiphy);
675
676 switch (request->initiator) {
677 case NL80211_REGDOM_SET_BY_DRIVER:
678 case NL80211_REGDOM_SET_BY_CORE:
679 case NL80211_REGDOM_SET_BY_USER:
680 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
681 break;
682 default:
683 mwifiex_dbg(adapter, ERROR,
684 "unknown regdom initiator: %d\n",
685 request->initiator);
686 return;
687 }
688
689 /* Don't send world or same regdom info to firmware */
690 if (strncmp(request->alpha2, "00", 2) &&
691 strncmp(request->alpha2, adapter->country_code,
692 sizeof(request->alpha2))) {
693 memcpy(adapter->country_code, request->alpha2,
694 sizeof(request->alpha2));
695 mwifiex_send_domain_info_cmd_fw(wiphy);
696 mwifiex_dnld_txpwr_table(priv);
697 }
698 }
699
700 /*
701 * This function sets the fragmentation threshold.
702 *
703 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
704 * and MWIFIEX_FRAG_MAX_VALUE.
705 */
706 static int
mwifiex_set_frag(struct mwifiex_private * priv,u32 frag_thr)707 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
708 {
709 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
710 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
711 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
712
713 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
714 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
715 &frag_thr, true);
716 }
717
718 /*
719 * This function sets the RTS threshold.
720
721 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
722 * and MWIFIEX_RTS_MAX_VALUE.
723 */
724 static int
mwifiex_set_rts(struct mwifiex_private * priv,u32 rts_thr)725 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
726 {
727 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
728 rts_thr = MWIFIEX_RTS_MAX_VALUE;
729
730 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
731 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
732 &rts_thr, true);
733 }
734
735 /*
736 * CFG802.11 operation handler to set wiphy parameters.
737 *
738 * This function can be used to set the RTS threshold and the
739 * Fragmentation threshold of the driver.
740 */
741 static int
mwifiex_cfg80211_set_wiphy_params(struct wiphy * wiphy,int radio_idx,u32 changed)742 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, int radio_idx,
743 u32 changed)
744 {
745 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
746 struct mwifiex_private *priv;
747 struct mwifiex_uap_bss_param *bss_cfg;
748 int ret;
749
750 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
751
752 switch (priv->bss_role) {
753 case MWIFIEX_BSS_ROLE_UAP:
754 if (priv->bss_started) {
755 mwifiex_dbg(adapter, ERROR,
756 "cannot change wiphy params when bss started");
757 return -EINVAL;
758 }
759
760 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
761 if (!bss_cfg)
762 return -ENOMEM;
763
764 mwifiex_set_sys_config_invalid_data(bss_cfg);
765
766 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
767 bss_cfg->rts_threshold = wiphy->rts_threshold;
768 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
769 bss_cfg->frag_threshold = wiphy->frag_threshold;
770 if (changed & WIPHY_PARAM_RETRY_LONG)
771 bss_cfg->retry_limit = wiphy->retry_long;
772
773 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
774 HostCmd_ACT_GEN_SET,
775 UAP_BSS_PARAMS_I, bss_cfg,
776 false);
777
778 kfree(bss_cfg);
779 if (ret) {
780 mwifiex_dbg(adapter, ERROR,
781 "Failed to set wiphy phy params\n");
782 return ret;
783 }
784 break;
785
786 case MWIFIEX_BSS_ROLE_STA:
787 if (priv->media_connected) {
788 mwifiex_dbg(adapter, ERROR,
789 "cannot change wiphy params when connected");
790 return -EINVAL;
791 }
792 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
793 ret = mwifiex_set_rts(priv,
794 wiphy->rts_threshold);
795 if (ret)
796 return ret;
797 }
798 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
799 ret = mwifiex_set_frag(priv,
800 wiphy->frag_threshold);
801 if (ret)
802 return ret;
803 }
804 break;
805 }
806
807 return 0;
808 }
809
810 static int
mwifiex_cfg80211_deinit_p2p(struct mwifiex_private * priv)811 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
812 {
813 u16 mode = P2P_MODE_DISABLE;
814
815 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
816 HostCmd_ACT_GEN_SET, 0, &mode, true))
817 return -1;
818
819 return 0;
820 }
821
822 /*
823 * This function initializes the functionalities for P2P client.
824 * The P2P client initialization sequence is:
825 * disable -> device -> client
826 */
827 static int
mwifiex_cfg80211_init_p2p_client(struct mwifiex_private * priv)828 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
829 {
830 u16 mode;
831
832 if (mwifiex_cfg80211_deinit_p2p(priv))
833 return -1;
834
835 mode = P2P_MODE_DEVICE;
836 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
837 HostCmd_ACT_GEN_SET, 0, &mode, true))
838 return -1;
839
840 mode = P2P_MODE_CLIENT;
841 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
842 HostCmd_ACT_GEN_SET, 0, &mode, true))
843 return -1;
844
845 return 0;
846 }
847
848 /*
849 * This function initializes the functionalities for P2P GO.
850 * The P2P GO initialization sequence is:
851 * disable -> device -> GO
852 */
853 static int
mwifiex_cfg80211_init_p2p_go(struct mwifiex_private * priv)854 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
855 {
856 u16 mode;
857
858 if (mwifiex_cfg80211_deinit_p2p(priv))
859 return -1;
860
861 mode = P2P_MODE_DEVICE;
862 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
863 HostCmd_ACT_GEN_SET, 0, &mode, true))
864 return -1;
865
866 mode = P2P_MODE_GO;
867 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
868 HostCmd_ACT_GEN_SET, 0, &mode, true))
869 return -1;
870
871 return 0;
872 }
873
mwifiex_deinit_priv_params(struct mwifiex_private * priv)874 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
875 {
876 struct mwifiex_adapter *adapter = priv->adapter;
877 unsigned long flags;
878
879 priv->host_mlme_reg = false;
880 priv->mgmt_frame_mask = 0;
881 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
882 HostCmd_ACT_GEN_SET, 0,
883 &priv->mgmt_frame_mask, false)) {
884 mwifiex_dbg(adapter, ERROR,
885 "could not unregister mgmt frame rx\n");
886 return -1;
887 }
888
889 mwifiex_deauthenticate(priv, NULL);
890
891 spin_lock_irqsave(&adapter->main_proc_lock, flags);
892 adapter->main_locked = true;
893 if (adapter->mwifiex_processing) {
894 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
895 flush_workqueue(adapter->workqueue);
896 } else {
897 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
898 }
899
900 spin_lock_bh(&adapter->rx_proc_lock);
901 adapter->rx_locked = true;
902 if (adapter->rx_processing) {
903 spin_unlock_bh(&adapter->rx_proc_lock);
904 flush_workqueue(adapter->rx_workqueue);
905 } else {
906 spin_unlock_bh(&adapter->rx_proc_lock);
907 }
908
909 mwifiex_free_priv(priv);
910 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
911 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
912 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
913
914 return 0;
915 }
916
917 static int
mwifiex_init_new_priv_params(struct mwifiex_private * priv,struct net_device * dev,enum nl80211_iftype type)918 mwifiex_init_new_priv_params(struct mwifiex_private *priv,
919 struct net_device *dev,
920 enum nl80211_iftype type)
921 {
922 struct mwifiex_adapter *adapter = priv->adapter;
923 unsigned long flags;
924
925 mwifiex_init_priv(priv);
926
927 priv->bss_mode = type;
928 priv->wdev.iftype = type;
929
930 mwifiex_init_priv_params(priv, priv->netdev);
931 priv->bss_started = 0;
932
933 switch (type) {
934 case NL80211_IFTYPE_STATION:
935 case NL80211_IFTYPE_ADHOC:
936 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
937 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
938 break;
939 case NL80211_IFTYPE_P2P_CLIENT:
940 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
941 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
942 break;
943 case NL80211_IFTYPE_P2P_GO:
944 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
945 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
946 break;
947 case NL80211_IFTYPE_AP:
948 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
949 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
950 break;
951 default:
952 mwifiex_dbg(adapter, ERROR,
953 "%s: changing to %d not supported\n",
954 dev->name, type);
955 return -EOPNOTSUPP;
956 }
957
958 priv->bss_num = mwifiex_get_unused_bss_num(adapter, priv->bss_type);
959
960 spin_lock_irqsave(&adapter->main_proc_lock, flags);
961 adapter->main_locked = false;
962 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
963
964 spin_lock_bh(&adapter->rx_proc_lock);
965 adapter->rx_locked = false;
966 spin_unlock_bh(&adapter->rx_proc_lock);
967
968 mwifiex_set_mac_address(priv, dev, false, NULL);
969
970 return 0;
971 }
972
973 static bool
is_vif_type_change_allowed(struct mwifiex_adapter * adapter,enum nl80211_iftype old_iftype,enum nl80211_iftype new_iftype)974 is_vif_type_change_allowed(struct mwifiex_adapter *adapter,
975 enum nl80211_iftype old_iftype,
976 enum nl80211_iftype new_iftype)
977 {
978 switch (old_iftype) {
979 case NL80211_IFTYPE_ADHOC:
980 switch (new_iftype) {
981 case NL80211_IFTYPE_STATION:
982 return true;
983 case NL80211_IFTYPE_P2P_CLIENT:
984 case NL80211_IFTYPE_P2P_GO:
985 return adapter->curr_iface_comb.p2p_intf !=
986 adapter->iface_limit.p2p_intf;
987 case NL80211_IFTYPE_AP:
988 return adapter->curr_iface_comb.uap_intf !=
989 adapter->iface_limit.uap_intf;
990 default:
991 return false;
992 }
993
994 case NL80211_IFTYPE_STATION:
995 switch (new_iftype) {
996 case NL80211_IFTYPE_ADHOC:
997 return true;
998 case NL80211_IFTYPE_P2P_CLIENT:
999 case NL80211_IFTYPE_P2P_GO:
1000 return adapter->curr_iface_comb.p2p_intf !=
1001 adapter->iface_limit.p2p_intf;
1002 case NL80211_IFTYPE_AP:
1003 return adapter->curr_iface_comb.uap_intf !=
1004 adapter->iface_limit.uap_intf;
1005 default:
1006 return false;
1007 }
1008
1009 case NL80211_IFTYPE_AP:
1010 switch (new_iftype) {
1011 case NL80211_IFTYPE_ADHOC:
1012 case NL80211_IFTYPE_STATION:
1013 return adapter->curr_iface_comb.sta_intf !=
1014 adapter->iface_limit.sta_intf;
1015 case NL80211_IFTYPE_P2P_CLIENT:
1016 case NL80211_IFTYPE_P2P_GO:
1017 return adapter->curr_iface_comb.p2p_intf !=
1018 adapter->iface_limit.p2p_intf;
1019 default:
1020 return false;
1021 }
1022
1023 case NL80211_IFTYPE_P2P_CLIENT:
1024 switch (new_iftype) {
1025 case NL80211_IFTYPE_ADHOC:
1026 case NL80211_IFTYPE_STATION:
1027 return true;
1028 case NL80211_IFTYPE_P2P_GO:
1029 return true;
1030 case NL80211_IFTYPE_AP:
1031 return adapter->curr_iface_comb.uap_intf !=
1032 adapter->iface_limit.uap_intf;
1033 default:
1034 return false;
1035 }
1036
1037 case NL80211_IFTYPE_P2P_GO:
1038 switch (new_iftype) {
1039 case NL80211_IFTYPE_ADHOC:
1040 case NL80211_IFTYPE_STATION:
1041 return true;
1042 case NL80211_IFTYPE_P2P_CLIENT:
1043 return true;
1044 case NL80211_IFTYPE_AP:
1045 return adapter->curr_iface_comb.uap_intf !=
1046 adapter->iface_limit.uap_intf;
1047 default:
1048 return false;
1049 }
1050
1051 default:
1052 break;
1053 }
1054
1055 return false;
1056 }
1057
1058 static void
update_vif_type_counter(struct mwifiex_adapter * adapter,enum nl80211_iftype iftype,int change)1059 update_vif_type_counter(struct mwifiex_adapter *adapter,
1060 enum nl80211_iftype iftype,
1061 int change)
1062 {
1063 switch (iftype) {
1064 case NL80211_IFTYPE_UNSPECIFIED:
1065 case NL80211_IFTYPE_ADHOC:
1066 case NL80211_IFTYPE_STATION:
1067 adapter->curr_iface_comb.sta_intf += change;
1068 break;
1069 case NL80211_IFTYPE_AP:
1070 adapter->curr_iface_comb.uap_intf += change;
1071 break;
1072 case NL80211_IFTYPE_P2P_CLIENT:
1073 case NL80211_IFTYPE_P2P_GO:
1074 adapter->curr_iface_comb.p2p_intf += change;
1075 break;
1076 default:
1077 mwifiex_dbg(adapter, ERROR,
1078 "%s: Unsupported iftype passed: %d\n",
1079 __func__, iftype);
1080 break;
1081 }
1082 }
1083
1084 static int
mwifiex_change_vif_to_p2p(struct net_device * dev,enum nl80211_iftype curr_iftype,enum nl80211_iftype type,struct vif_params * params)1085 mwifiex_change_vif_to_p2p(struct net_device *dev,
1086 enum nl80211_iftype curr_iftype,
1087 enum nl80211_iftype type,
1088 struct vif_params *params)
1089 {
1090 struct mwifiex_private *priv;
1091 struct mwifiex_adapter *adapter;
1092
1093 priv = mwifiex_netdev_get_priv(dev);
1094
1095 if (!priv)
1096 return -1;
1097
1098 adapter = priv->adapter;
1099
1100 mwifiex_dbg(adapter, INFO,
1101 "%s: changing role to p2p\n", dev->name);
1102
1103 if (mwifiex_deinit_priv_params(priv))
1104 return -1;
1105 if (mwifiex_init_new_priv_params(priv, dev, type))
1106 return -1;
1107
1108 update_vif_type_counter(adapter, curr_iftype, -1);
1109 update_vif_type_counter(adapter, type, +1);
1110 dev->ieee80211_ptr->iftype = type;
1111
1112 switch (type) {
1113 case NL80211_IFTYPE_P2P_CLIENT:
1114 if (mwifiex_cfg80211_init_p2p_client(priv))
1115 return -EFAULT;
1116 break;
1117 case NL80211_IFTYPE_P2P_GO:
1118 if (mwifiex_cfg80211_init_p2p_go(priv))
1119 return -EFAULT;
1120 break;
1121 default:
1122 mwifiex_dbg(adapter, ERROR,
1123 "%s: changing to %d not supported\n",
1124 dev->name, type);
1125 return -EOPNOTSUPP;
1126 }
1127
1128 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1129 HostCmd_ACT_GEN_SET, 0, NULL, true))
1130 return -1;
1131
1132 if (mwifiex_sta_init_cmd(priv, false))
1133 return -1;
1134
1135 return 0;
1136 }
1137
1138 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)1139 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
1140 enum nl80211_iftype curr_iftype,
1141 enum nl80211_iftype type,
1142 struct vif_params *params)
1143 {
1144 struct mwifiex_private *priv;
1145 struct mwifiex_adapter *adapter;
1146
1147 priv = mwifiex_netdev_get_priv(dev);
1148
1149 if (!priv)
1150 return -1;
1151
1152 adapter = priv->adapter;
1153
1154 if (type == NL80211_IFTYPE_STATION)
1155 mwifiex_dbg(adapter, INFO,
1156 "%s: changing role to station\n", dev->name);
1157 else
1158 mwifiex_dbg(adapter, INFO,
1159 "%s: changing role to adhoc\n", dev->name);
1160
1161 if (mwifiex_deinit_priv_params(priv))
1162 return -1;
1163 if (mwifiex_init_new_priv_params(priv, dev, type))
1164 return -1;
1165
1166 update_vif_type_counter(adapter, curr_iftype, -1);
1167 update_vif_type_counter(adapter, type, +1);
1168 dev->ieee80211_ptr->iftype = type;
1169
1170 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1171 HostCmd_ACT_GEN_SET, 0, NULL, true))
1172 return -1;
1173 if (mwifiex_sta_init_cmd(priv, false))
1174 return -1;
1175
1176 return 0;
1177 }
1178
1179 static int
mwifiex_change_vif_to_ap(struct net_device * dev,enum nl80211_iftype curr_iftype,enum nl80211_iftype type,struct vif_params * params)1180 mwifiex_change_vif_to_ap(struct net_device *dev,
1181 enum nl80211_iftype curr_iftype,
1182 enum nl80211_iftype type,
1183 struct vif_params *params)
1184 {
1185 struct mwifiex_private *priv;
1186 struct mwifiex_adapter *adapter;
1187
1188 priv = mwifiex_netdev_get_priv(dev);
1189
1190 if (!priv)
1191 return -1;
1192
1193 adapter = priv->adapter;
1194
1195 mwifiex_dbg(adapter, INFO,
1196 "%s: changing role to AP\n", dev->name);
1197
1198 if (mwifiex_deinit_priv_params(priv))
1199 return -1;
1200 if (mwifiex_init_new_priv_params(priv, dev, type))
1201 return -1;
1202
1203 update_vif_type_counter(adapter, curr_iftype, -1);
1204 update_vif_type_counter(adapter, type, +1);
1205 dev->ieee80211_ptr->iftype = type;
1206
1207 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1208 HostCmd_ACT_GEN_SET, 0, NULL, true))
1209 return -1;
1210 if (mwifiex_sta_init_cmd(priv, false))
1211 return -1;
1212
1213 return 0;
1214 }
1215 /*
1216 * CFG802.11 operation handler to change interface type.
1217 */
1218 static int
mwifiex_cfg80211_change_virtual_intf(struct wiphy * wiphy,struct net_device * dev,enum nl80211_iftype type,struct vif_params * params)1219 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1220 struct net_device *dev,
1221 enum nl80211_iftype type,
1222 struct vif_params *params)
1223 {
1224 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1225 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
1226
1227 if (priv->scan_request) {
1228 mwifiex_dbg(priv->adapter, ERROR,
1229 "change virtual interface: scan in process\n");
1230 return -EBUSY;
1231 }
1232
1233 if (type == NL80211_IFTYPE_UNSPECIFIED) {
1234 mwifiex_dbg(priv->adapter, INFO,
1235 "%s: no new type specified, keeping old type %d\n",
1236 dev->name, curr_iftype);
1237 return 0;
1238 }
1239
1240 if (curr_iftype == type) {
1241 mwifiex_dbg(priv->adapter, INFO,
1242 "%s: interface already is of type %d\n",
1243 dev->name, curr_iftype);
1244 return 0;
1245 }
1246
1247 if (!is_vif_type_change_allowed(priv->adapter, curr_iftype, type)) {
1248 mwifiex_dbg(priv->adapter, ERROR,
1249 "%s: change from type %d to %d is not allowed\n",
1250 dev->name, curr_iftype, type);
1251 return -EOPNOTSUPP;
1252 }
1253
1254 switch (curr_iftype) {
1255 case NL80211_IFTYPE_ADHOC:
1256 switch (type) {
1257 case NL80211_IFTYPE_STATION:
1258 priv->bss_mode = type;
1259 priv->sec_info.authentication_mode =
1260 NL80211_AUTHTYPE_OPEN_SYSTEM;
1261 dev->ieee80211_ptr->iftype = type;
1262 mwifiex_deauthenticate(priv, NULL);
1263 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1264 HostCmd_ACT_GEN_SET, 0, NULL,
1265 true);
1266 case NL80211_IFTYPE_P2P_CLIENT:
1267 case NL80211_IFTYPE_P2P_GO:
1268 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1269 type, params);
1270 case NL80211_IFTYPE_AP:
1271 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1272 params);
1273 default:
1274 goto errnotsupp;
1275 }
1276
1277 case NL80211_IFTYPE_STATION:
1278 switch (type) {
1279 case NL80211_IFTYPE_ADHOC:
1280 priv->bss_mode = type;
1281 priv->sec_info.authentication_mode =
1282 NL80211_AUTHTYPE_OPEN_SYSTEM;
1283 dev->ieee80211_ptr->iftype = type;
1284 mwifiex_deauthenticate(priv, NULL);
1285 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1286 HostCmd_ACT_GEN_SET, 0, NULL,
1287 true);
1288 case NL80211_IFTYPE_P2P_CLIENT:
1289 case NL80211_IFTYPE_P2P_GO:
1290 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1291 type, params);
1292 case NL80211_IFTYPE_AP:
1293 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1294 params);
1295 default:
1296 goto errnotsupp;
1297 }
1298
1299 case NL80211_IFTYPE_AP:
1300 switch (type) {
1301 case NL80211_IFTYPE_ADHOC:
1302 case NL80211_IFTYPE_STATION:
1303 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1304 type, params);
1305 break;
1306 case NL80211_IFTYPE_P2P_CLIENT:
1307 case NL80211_IFTYPE_P2P_GO:
1308 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1309 type, params);
1310 default:
1311 goto errnotsupp;
1312 }
1313
1314 case NL80211_IFTYPE_P2P_CLIENT:
1315 if (mwifiex_cfg80211_deinit_p2p(priv))
1316 return -EFAULT;
1317
1318 switch (type) {
1319 case NL80211_IFTYPE_ADHOC:
1320 case NL80211_IFTYPE_STATION:
1321 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1322 type, params);
1323 case NL80211_IFTYPE_P2P_GO:
1324 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1325 type, params);
1326 case NL80211_IFTYPE_AP:
1327 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1328 params);
1329 default:
1330 goto errnotsupp;
1331 }
1332
1333 case NL80211_IFTYPE_P2P_GO:
1334 if (mwifiex_cfg80211_deinit_p2p(priv))
1335 return -EFAULT;
1336
1337 switch (type) {
1338 case NL80211_IFTYPE_ADHOC:
1339 case NL80211_IFTYPE_STATION:
1340 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1341 type, params);
1342 case NL80211_IFTYPE_P2P_CLIENT:
1343 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1344 type, params);
1345 case NL80211_IFTYPE_AP:
1346 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1347 params);
1348 default:
1349 goto errnotsupp;
1350 }
1351
1352 default:
1353 goto errnotsupp;
1354 }
1355
1356
1357 return 0;
1358
1359 errnotsupp:
1360 mwifiex_dbg(priv->adapter, ERROR,
1361 "unsupported interface type transition: %d to %d\n",
1362 curr_iftype, type);
1363 return -EOPNOTSUPP;
1364 }
1365
1366 static void
mwifiex_parse_htinfo(struct mwifiex_private * priv,u8 rateinfo,u8 htinfo,struct rate_info * rate)1367 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 rateinfo, u8 htinfo,
1368 struct rate_info *rate)
1369 {
1370 struct mwifiex_adapter *adapter = priv->adapter;
1371
1372 if (adapter->is_hw_11ac_capable) {
1373 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1374 if (htinfo & BIT(0)) {
1375 /* HT */
1376 rate->mcs = rateinfo;
1377 rate->flags |= RATE_INFO_FLAGS_MCS;
1378 }
1379 if (htinfo & BIT(1)) {
1380 /* VHT */
1381 rate->mcs = rateinfo & 0x0F;
1382 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1383 }
1384
1385 if (htinfo & (BIT(1) | BIT(0))) {
1386 /* HT or VHT */
1387 switch (htinfo & (BIT(3) | BIT(2))) {
1388 case 0:
1389 rate->bw = RATE_INFO_BW_20;
1390 break;
1391 case (BIT(2)):
1392 rate->bw = RATE_INFO_BW_40;
1393 break;
1394 case (BIT(3)):
1395 rate->bw = RATE_INFO_BW_80;
1396 break;
1397 case (BIT(3) | BIT(2)):
1398 rate->bw = RATE_INFO_BW_160;
1399 break;
1400 }
1401
1402 if (htinfo & BIT(4))
1403 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1404
1405 if ((rateinfo >> 4) == 1)
1406 rate->nss = 2;
1407 else
1408 rate->nss = 1;
1409 }
1410 } else {
1411 /*
1412 * Bit 0 in htinfo indicates that current rate is 11n. Valid
1413 * MCS index values for us are 0 to 15.
1414 */
1415 if ((htinfo & BIT(0)) && (rateinfo < 16)) {
1416 rate->mcs = rateinfo;
1417 rate->flags |= RATE_INFO_FLAGS_MCS;
1418 rate->bw = RATE_INFO_BW_20;
1419 if (htinfo & BIT(1))
1420 rate->bw = RATE_INFO_BW_40;
1421 if (htinfo & BIT(2))
1422 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1423 }
1424 }
1425
1426 /* Decode legacy rates for non-HT. */
1427 if (!(htinfo & (BIT(0) | BIT(1)))) {
1428 /* Bitrates in multiples of 100kb/s. */
1429 static const int legacy_rates[] = {
1430 [0] = 10,
1431 [1] = 20,
1432 [2] = 55,
1433 [3] = 110,
1434 [4] = 60, /* MWIFIEX_RATE_INDEX_OFDM0 */
1435 [5] = 60,
1436 [6] = 90,
1437 [7] = 120,
1438 [8] = 180,
1439 [9] = 240,
1440 [10] = 360,
1441 [11] = 480,
1442 [12] = 540,
1443 };
1444 if (rateinfo < ARRAY_SIZE(legacy_rates))
1445 rate->legacy = legacy_rates[rateinfo];
1446 }
1447 }
1448
1449 /*
1450 * This function dumps the station information on a buffer.
1451 *
1452 * The following information are shown -
1453 * - Total bytes transmitted
1454 * - Total bytes received
1455 * - Total packets transmitted
1456 * - Total packets received
1457 * - Signal quality level
1458 * - Transmission rate
1459 */
1460 static int
mwifiex_dump_station_info(struct mwifiex_private * priv,struct mwifiex_sta_node * node,struct station_info * sinfo)1461 mwifiex_dump_station_info(struct mwifiex_private *priv,
1462 struct mwifiex_sta_node *node,
1463 struct station_info *sinfo)
1464 {
1465 u32 rate;
1466
1467 sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) |
1468 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
1469 BIT_ULL(NL80211_STA_INFO_TX_BITRATE) |
1470 BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
1471
1472 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1473 if (!node)
1474 return -ENOENT;
1475
1476 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) |
1477 BIT_ULL(NL80211_STA_INFO_TX_FAILED);
1478 sinfo->inactive_time =
1479 jiffies_to_msecs(jiffies - node->stats.last_rx);
1480
1481 sinfo->signal = node->stats.rssi;
1482 sinfo->signal_avg = node->stats.rssi;
1483 sinfo->rx_bytes = node->stats.rx_bytes;
1484 sinfo->tx_bytes = node->stats.tx_bytes;
1485 sinfo->rx_packets = node->stats.rx_packets;
1486 sinfo->tx_packets = node->stats.tx_packets;
1487 sinfo->tx_failed = node->stats.tx_failed;
1488
1489 mwifiex_parse_htinfo(priv, priv->tx_rate,
1490 node->stats.last_tx_htinfo,
1491 &sinfo->txrate);
1492 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1493
1494 return 0;
1495 }
1496
1497 /* Get signal information from the firmware */
1498 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1499 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
1500 mwifiex_dbg(priv->adapter, ERROR,
1501 "failed to get signal information\n");
1502 return -EFAULT;
1503 }
1504
1505 if (mwifiex_drv_get_data_rate(priv, &rate)) {
1506 mwifiex_dbg(priv->adapter, ERROR,
1507 "getting data rate error\n");
1508 return -EFAULT;
1509 }
1510
1511 /* Get DTIM period information from firmware */
1512 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1513 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1514 &priv->dtim_period, true);
1515
1516 mwifiex_parse_htinfo(priv, priv->tx_rate, priv->tx_htinfo,
1517 &sinfo->txrate);
1518
1519 sinfo->signal_avg = priv->bcn_rssi_avg;
1520 sinfo->rx_bytes = priv->stats.rx_bytes;
1521 sinfo->tx_bytes = priv->stats.tx_bytes;
1522 sinfo->rx_packets = priv->stats.rx_packets;
1523 sinfo->tx_packets = priv->stats.tx_packets;
1524 sinfo->signal = priv->bcn_rssi_avg;
1525 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
1526 sinfo->txrate.legacy = rate * 5;
1527
1528 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
1529 mwifiex_parse_htinfo(priv, priv->rxpd_rate, priv->rxpd_htinfo,
1530 &sinfo->rxrate);
1531
1532 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
1533 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM);
1534 sinfo->bss_param.flags = 0;
1535 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1536 WLAN_CAPABILITY_SHORT_PREAMBLE)
1537 sinfo->bss_param.flags |=
1538 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1539 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1540 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1541 sinfo->bss_param.flags |=
1542 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
1543 sinfo->bss_param.dtim_period = priv->dtim_period;
1544 sinfo->bss_param.beacon_interval =
1545 priv->curr_bss_params.bss_descriptor.beacon_period;
1546 }
1547
1548 return 0;
1549 }
1550
1551 /*
1552 * CFG802.11 operation handler to get station information.
1553 *
1554 * This function only works in connected mode, and dumps the
1555 * requested station information, if available.
1556 */
1557 static int
mwifiex_cfg80211_get_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_info * sinfo)1558 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
1559 const u8 *mac, struct station_info *sinfo)
1560 {
1561 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1562
1563 if (!priv->media_connected)
1564 return -ENOENT;
1565 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1566 return -ENOENT;
1567
1568 return mwifiex_dump_station_info(priv, NULL, sinfo);
1569 }
1570
1571 /*
1572 * CFG802.11 operation handler to dump station information.
1573 */
1574 static int
mwifiex_cfg80211_dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)1575 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1576 int idx, u8 *mac, struct station_info *sinfo)
1577 {
1578 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1579 struct mwifiex_sta_node *node;
1580 int i;
1581
1582 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1583 priv->media_connected && idx == 0) {
1584 ether_addr_copy(mac, priv->cfg_bssid);
1585 return mwifiex_dump_station_info(priv, NULL, sinfo);
1586 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1587 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1588 HostCmd_ACT_GEN_GET, 0, NULL, true);
1589
1590 i = 0;
1591 list_for_each_entry(node, &priv->sta_list, list) {
1592 if (i++ != idx)
1593 continue;
1594 ether_addr_copy(mac, node->mac_addr);
1595 return mwifiex_dump_station_info(priv, node, sinfo);
1596 }
1597 }
1598
1599 return -ENOENT;
1600 }
1601
1602 static int
mwifiex_cfg80211_dump_survey(struct wiphy * wiphy,struct net_device * dev,int idx,struct survey_info * survey)1603 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1604 int idx, struct survey_info *survey)
1605 {
1606 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1607 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1608 enum nl80211_band band;
1609
1610 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
1611
1612 memset(survey, 0, sizeof(struct survey_info));
1613
1614 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1615 priv->media_connected && idx == 0) {
1616 u8 curr_bss_band = priv->curr_bss_params.band;
1617 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1618
1619 band = mwifiex_band_to_radio_type(curr_bss_band);
1620 survey->channel = ieee80211_get_channel(wiphy,
1621 ieee80211_channel_to_frequency(chan, band));
1622
1623 if (priv->bcn_nf_last) {
1624 survey->filled = SURVEY_INFO_NOISE_DBM;
1625 survey->noise = priv->bcn_nf_last;
1626 }
1627 return 0;
1628 }
1629
1630 if (idx >= priv->adapter->num_in_chan_stats)
1631 return -ENOENT;
1632
1633 if (!pchan_stats[idx].cca_scan_dur)
1634 return 0;
1635
1636 band = pchan_stats[idx].bandcfg;
1637 survey->channel = ieee80211_get_channel(wiphy,
1638 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1639 survey->filled = SURVEY_INFO_NOISE_DBM |
1640 SURVEY_INFO_TIME |
1641 SURVEY_INFO_TIME_BUSY;
1642 survey->noise = pchan_stats[idx].noise;
1643 survey->time = pchan_stats[idx].cca_scan_dur;
1644 survey->time_busy = pchan_stats[idx].cca_busy_dur;
1645
1646 return 0;
1647 }
1648
1649 /* Supported rates to be advertised to the cfg80211 */
1650 static struct ieee80211_rate mwifiex_rates[] = {
1651 {.bitrate = 10, .hw_value = 2, },
1652 {.bitrate = 20, .hw_value = 4, },
1653 {.bitrate = 55, .hw_value = 11, },
1654 {.bitrate = 110, .hw_value = 22, },
1655 {.bitrate = 60, .hw_value = 12, },
1656 {.bitrate = 90, .hw_value = 18, },
1657 {.bitrate = 120, .hw_value = 24, },
1658 {.bitrate = 180, .hw_value = 36, },
1659 {.bitrate = 240, .hw_value = 48, },
1660 {.bitrate = 360, .hw_value = 72, },
1661 {.bitrate = 480, .hw_value = 96, },
1662 {.bitrate = 540, .hw_value = 108, },
1663 };
1664
1665 /* Channel definitions to be advertised to cfg80211 */
1666 static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1667 {.center_freq = 2412, .hw_value = 1, },
1668 {.center_freq = 2417, .hw_value = 2, },
1669 {.center_freq = 2422, .hw_value = 3, },
1670 {.center_freq = 2427, .hw_value = 4, },
1671 {.center_freq = 2432, .hw_value = 5, },
1672 {.center_freq = 2437, .hw_value = 6, },
1673 {.center_freq = 2442, .hw_value = 7, },
1674 {.center_freq = 2447, .hw_value = 8, },
1675 {.center_freq = 2452, .hw_value = 9, },
1676 {.center_freq = 2457, .hw_value = 10, },
1677 {.center_freq = 2462, .hw_value = 11, },
1678 {.center_freq = 2467, .hw_value = 12, },
1679 {.center_freq = 2472, .hw_value = 13, },
1680 {.center_freq = 2484, .hw_value = 14, },
1681 };
1682
1683 static struct ieee80211_supported_band mwifiex_band_2ghz = {
1684 .channels = mwifiex_channels_2ghz,
1685 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1686 .bitrates = mwifiex_rates,
1687 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
1688 };
1689
1690 static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1691 {.center_freq = 5040, .hw_value = 8, },
1692 {.center_freq = 5060, .hw_value = 12, },
1693 {.center_freq = 5080, .hw_value = 16, },
1694 {.center_freq = 5170, .hw_value = 34, },
1695 {.center_freq = 5190, .hw_value = 38, },
1696 {.center_freq = 5210, .hw_value = 42, },
1697 {.center_freq = 5230, .hw_value = 46, },
1698 {.center_freq = 5180, .hw_value = 36, },
1699 {.center_freq = 5200, .hw_value = 40, },
1700 {.center_freq = 5220, .hw_value = 44, },
1701 {.center_freq = 5240, .hw_value = 48, },
1702 {.center_freq = 5260, .hw_value = 52, },
1703 {.center_freq = 5280, .hw_value = 56, },
1704 {.center_freq = 5300, .hw_value = 60, },
1705 {.center_freq = 5320, .hw_value = 64, },
1706 {.center_freq = 5500, .hw_value = 100, },
1707 {.center_freq = 5520, .hw_value = 104, },
1708 {.center_freq = 5540, .hw_value = 108, },
1709 {.center_freq = 5560, .hw_value = 112, },
1710 {.center_freq = 5580, .hw_value = 116, },
1711 {.center_freq = 5600, .hw_value = 120, },
1712 {.center_freq = 5620, .hw_value = 124, },
1713 {.center_freq = 5640, .hw_value = 128, },
1714 {.center_freq = 5660, .hw_value = 132, },
1715 {.center_freq = 5680, .hw_value = 136, },
1716 {.center_freq = 5700, .hw_value = 140, },
1717 {.center_freq = 5745, .hw_value = 149, },
1718 {.center_freq = 5765, .hw_value = 153, },
1719 {.center_freq = 5785, .hw_value = 157, },
1720 {.center_freq = 5805, .hw_value = 161, },
1721 {.center_freq = 5825, .hw_value = 165, },
1722 };
1723
1724 static struct ieee80211_supported_band mwifiex_band_5ghz = {
1725 .channels = mwifiex_channels_5ghz,
1726 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
1727 .bitrates = mwifiex_rates + 4,
1728 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
1729 };
1730
1731
1732 /* Supported crypto cipher suits to be advertised to cfg80211 */
1733 static const u32 mwifiex_cipher_suites[] = {
1734 WLAN_CIPHER_SUITE_WEP40,
1735 WLAN_CIPHER_SUITE_WEP104,
1736 WLAN_CIPHER_SUITE_TKIP,
1737 WLAN_CIPHER_SUITE_CCMP,
1738 WLAN_CIPHER_SUITE_SMS4,
1739 WLAN_CIPHER_SUITE_AES_CMAC,
1740 };
1741
1742 /* Supported mgmt frame types to be advertised to cfg80211 */
1743 static const struct ieee80211_txrx_stypes
1744 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1745 [NL80211_IFTYPE_STATION] = {
1746 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1747 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1748 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1749 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1750 },
1751 [NL80211_IFTYPE_AP] = {
1752 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1753 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1754 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1755 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1756 },
1757 [NL80211_IFTYPE_P2P_CLIENT] = {
1758 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1759 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1760 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1761 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1762 },
1763 [NL80211_IFTYPE_P2P_GO] = {
1764 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1765 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1766 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1767 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1768 },
1769 };
1770
1771 /*
1772 * CFG802.11 operation handler for setting bit rates.
1773 *
1774 * Function configures data rates to firmware using bitrate mask
1775 * provided by cfg80211.
1776 */
1777 static int
mwifiex_cfg80211_set_bitrate_mask(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id,const u8 * peer,const struct cfg80211_bitrate_mask * mask)1778 mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1779 struct net_device *dev,
1780 unsigned int link_id,
1781 const u8 *peer,
1782 const struct cfg80211_bitrate_mask *mask)
1783 {
1784 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1785 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1786 enum nl80211_band band;
1787 struct mwifiex_adapter *adapter = priv->adapter;
1788
1789 if (!priv->media_connected) {
1790 mwifiex_dbg(adapter, ERROR,
1791 "Can not set Tx data rate in disconnected state\n");
1792 return -EINVAL;
1793 }
1794
1795 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
1796
1797 memset(bitmap_rates, 0, sizeof(bitmap_rates));
1798
1799 /* Fill HR/DSSS rates. */
1800 if (band == NL80211_BAND_2GHZ)
1801 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
1802
1803 /* Fill OFDM rates */
1804 if (band == NL80211_BAND_2GHZ)
1805 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1806 else
1807 bitmap_rates[1] = mask->control[band].legacy;
1808
1809 /* Fill HT MCS rates */
1810 bitmap_rates[2] = mask->control[band].ht_mcs[0];
1811 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1812 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
1813
1814 /* Fill VHT MCS rates */
1815 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1816 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1817 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1818 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1819 }
1820
1821 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1822 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
1823 }
1824
1825 /*
1826 * CFG802.11 operation handler for connection quality monitoring.
1827 *
1828 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1829 * events to FW.
1830 */
mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy * wiphy,struct net_device * dev,s32 rssi_thold,u32 rssi_hyst)1831 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1832 struct net_device *dev,
1833 s32 rssi_thold, u32 rssi_hyst)
1834 {
1835 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1836 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1837
1838 priv->cqm_rssi_thold = rssi_thold;
1839 priv->cqm_rssi_hyst = rssi_hyst;
1840
1841 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1842 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1843
1844 /* Subscribe/unsubscribe low and high rssi events */
1845 if (rssi_thold && rssi_hyst) {
1846 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1847 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1848 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1849 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1850 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1851 return mwifiex_send_cmd(priv,
1852 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1853 0, 0, &subsc_evt, true);
1854 } else {
1855 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1856 return mwifiex_send_cmd(priv,
1857 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1858 0, 0, &subsc_evt, true);
1859 }
1860
1861 return 0;
1862 }
1863
1864 /* cfg80211 operation handler for change_beacon.
1865 * Function retrieves and sets modified management IEs to FW.
1866 */
mwifiex_cfg80211_change_beacon(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_update * params)1867 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1868 struct net_device *dev,
1869 struct cfg80211_ap_update *params)
1870 {
1871 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1872 struct mwifiex_adapter *adapter = priv->adapter;
1873 struct cfg80211_beacon_data *data = ¶ms->beacon;
1874
1875 mwifiex_cancel_scan(adapter);
1876
1877 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
1878 mwifiex_dbg(priv->adapter, ERROR,
1879 "%s: bss_type mismatched\n", __func__);
1880 return -EINVAL;
1881 }
1882
1883 if (!priv->bss_started) {
1884 mwifiex_dbg(priv->adapter, ERROR,
1885 "%s: bss not started\n", __func__);
1886 return -EINVAL;
1887 }
1888
1889 if (mwifiex_set_mgmt_ies(priv, data)) {
1890 mwifiex_dbg(priv->adapter, ERROR,
1891 "%s: setting mgmt ies failed\n", __func__);
1892 return -EFAULT;
1893 }
1894
1895 return 0;
1896 }
1897
1898 /* cfg80211 operation handler for del_station.
1899 * Function deauthenticates station which value is provided in mac parameter.
1900 * If mac is NULL/broadcast, all stations in associated station list are
1901 * deauthenticated. If bss is not started or there are no stations in
1902 * associated stations list, no action is taken.
1903 */
1904 static int
mwifiex_cfg80211_del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)1905 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1906 struct station_del_parameters *params)
1907 {
1908 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1909 struct mwifiex_sta_node *sta_node;
1910 u8 deauth_mac[ETH_ALEN];
1911
1912 if (!priv->bss_started && priv->wdev.links[0].cac_started) {
1913 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__);
1914 mwifiex_abort_cac(priv);
1915 }
1916
1917 if (list_empty(&priv->sta_list) || !priv->bss_started)
1918 return 0;
1919
1920 if (!params->mac || is_broadcast_ether_addr(params->mac))
1921 return 0;
1922
1923 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1924 __func__, params->mac);
1925
1926 eth_zero_addr(deauth_mac);
1927
1928 spin_lock_bh(&priv->sta_list_spinlock);
1929 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1930 if (sta_node)
1931 ether_addr_copy(deauth_mac, params->mac);
1932 spin_unlock_bh(&priv->sta_list_spinlock);
1933
1934 if (is_valid_ether_addr(deauth_mac)) {
1935 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1936 HostCmd_ACT_GEN_SET, 0,
1937 deauth_mac, true))
1938 return -1;
1939 }
1940
1941 return 0;
1942 }
1943
1944 static int
mwifiex_cfg80211_set_antenna(struct wiphy * wiphy,int radio_idx,u32 tx_ant,u32 rx_ant)1945 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, int radio_idx, u32 tx_ant,
1946 u32 rx_ant)
1947 {
1948 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1949 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1950 MWIFIEX_BSS_ROLE_ANY);
1951 struct mwifiex_ds_ant_cfg ant_cfg;
1952
1953 if (!tx_ant || !rx_ant)
1954 return -EOPNOTSUPP;
1955
1956 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1957 /* Not a MIMO chip. User should provide specific antenna number
1958 * for Tx/Rx path or enable all antennas for diversity
1959 */
1960 if (tx_ant != rx_ant)
1961 return -EOPNOTSUPP;
1962
1963 if ((tx_ant & (tx_ant - 1)) &&
1964 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1965 return -EOPNOTSUPP;
1966
1967 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1968 (priv->adapter->number_of_antenna > 1)) {
1969 tx_ant = RF_ANTENNA_AUTO;
1970 rx_ant = RF_ANTENNA_AUTO;
1971 }
1972 } else {
1973 struct ieee80211_sta_ht_cap *ht_info;
1974 int rx_mcs_supp;
1975 enum nl80211_band band;
1976
1977 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1978 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1979 if (adapter->is_hw_11ac_capable)
1980 adapter->usr_dot_11ac_mcs_support =
1981 MWIFIEX_11AC_MCS_MAP_1X1;
1982 } else {
1983 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1984 if (adapter->is_hw_11ac_capable)
1985 adapter->usr_dot_11ac_mcs_support =
1986 MWIFIEX_11AC_MCS_MAP_2X2;
1987 }
1988
1989 for (band = 0; band < NUM_NL80211_BANDS; band++) {
1990 if (!adapter->wiphy->bands[band])
1991 continue;
1992
1993 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1994 rx_mcs_supp =
1995 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1996 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1997 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1998 }
1999 }
2000
2001 ant_cfg.tx_ant = tx_ant;
2002 ant_cfg.rx_ant = rx_ant;
2003
2004 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
2005 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
2006 }
2007
2008 static int
mwifiex_cfg80211_get_antenna(struct wiphy * wiphy,int radio_idx,u32 * tx_ant,u32 * rx_ant)2009 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, int radio_idx, u32 *tx_ant,
2010 u32 *rx_ant)
2011 {
2012 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2013 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
2014 MWIFIEX_BSS_ROLE_ANY);
2015 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
2016 HostCmd_ACT_GEN_GET, 0, NULL, true);
2017
2018 *tx_ant = priv->tx_ant;
2019 *rx_ant = priv->rx_ant;
2020
2021 return 0;
2022 }
2023
2024 /* cfg80211 operation handler for stop ap.
2025 * Function stops BSS running at uAP interface.
2026 */
mwifiex_cfg80211_stop_ap(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id)2027 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev,
2028 unsigned int link_id)
2029 {
2030 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2031
2032 mwifiex_abort_cac(priv);
2033
2034 if (mwifiex_del_mgmt_ies(priv))
2035 mwifiex_dbg(priv->adapter, ERROR,
2036 "Failed to delete mgmt IEs!\n");
2037
2038 priv->ap_11n_enabled = 0;
2039 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
2040
2041 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
2042 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
2043 mwifiex_dbg(priv->adapter, ERROR,
2044 "Failed to stop the BSS\n");
2045 return -1;
2046 }
2047
2048 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
2049 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
2050 mwifiex_dbg(priv->adapter, ERROR,
2051 "Failed to reset BSS\n");
2052 return -1;
2053 }
2054
2055 if (netif_carrier_ok(priv->netdev))
2056 netif_carrier_off(priv->netdev);
2057 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
2058
2059 return 0;
2060 }
2061
2062 /* cfg80211 operation handler for start_ap.
2063 * Function sets beacon period, DTIM period, SSID and security into
2064 * AP config structure.
2065 * AP is configured with these settings and BSS is started.
2066 */
mwifiex_cfg80211_start_ap(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_settings * params)2067 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
2068 struct net_device *dev,
2069 struct cfg80211_ap_settings *params)
2070 {
2071 struct mwifiex_uap_bss_param *bss_cfg;
2072 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2073
2074 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
2075 return -1;
2076
2077 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
2078 if (!bss_cfg)
2079 return -ENOMEM;
2080
2081 mwifiex_set_sys_config_invalid_data(bss_cfg);
2082
2083 memcpy(bss_cfg->mac_addr, priv->curr_addr, ETH_ALEN);
2084
2085 if (params->beacon_interval)
2086 bss_cfg->beacon_period = params->beacon_interval;
2087 if (params->dtim_period)
2088 bss_cfg->dtim_period = params->dtim_period;
2089
2090 if (params->ssid && params->ssid_len) {
2091 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
2092 bss_cfg->ssid.ssid_len = params->ssid_len;
2093 }
2094 if (params->inactivity_timeout > 0) {
2095 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
2096 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
2097 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
2098 }
2099
2100 switch (params->hidden_ssid) {
2101 case NL80211_HIDDEN_SSID_NOT_IN_USE:
2102 bss_cfg->bcast_ssid_ctl = 1;
2103 break;
2104 case NL80211_HIDDEN_SSID_ZERO_LEN:
2105 bss_cfg->bcast_ssid_ctl = 0;
2106 break;
2107 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
2108 bss_cfg->bcast_ssid_ctl = 2;
2109 break;
2110 default:
2111 kfree(bss_cfg);
2112 return -EINVAL;
2113 }
2114
2115 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
2116 mwifiex_set_uap_rates(bss_cfg, params);
2117
2118 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
2119 mwifiex_dbg(priv->adapter, ERROR,
2120 "Failed to parse security parameters!\n");
2121 goto out;
2122 }
2123
2124 mwifiex_set_ht_params(priv, bss_cfg, params);
2125
2126 if (priv->adapter->is_hw_11ac_capable) {
2127 mwifiex_set_vht_params(priv, bss_cfg, params);
2128 mwifiex_set_vht_width(priv, params->chandef.width,
2129 priv->ap_11ac_enabled);
2130 }
2131
2132 if (priv->ap_11ac_enabled)
2133 mwifiex_set_11ac_ba_params(priv);
2134 else
2135 mwifiex_set_ba_params(priv);
2136
2137 mwifiex_set_wmm_params(priv, bss_cfg, params);
2138
2139 if (mwifiex_is_11h_active(priv))
2140 mwifiex_set_tpc_params(priv, bss_cfg, params);
2141
2142 if (mwifiex_is_11h_active(priv) &&
2143 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef,
2144 priv->bss_mode)) {
2145 mwifiex_dbg(priv->adapter, INFO,
2146 "Disable 11h extensions in FW\n");
2147 if (mwifiex_11h_activate(priv, false)) {
2148 mwifiex_dbg(priv->adapter, ERROR,
2149 "Failed to disable 11h extensions!!");
2150 goto out;
2151 }
2152 priv->state_11h.is_11h_active = false;
2153 }
2154
2155 mwifiex_config_uap_11d(priv, ¶ms->beacon);
2156
2157 if (mwifiex_config_start_uap(priv, bss_cfg)) {
2158 mwifiex_dbg(priv->adapter, ERROR,
2159 "Failed to start AP\n");
2160 goto out;
2161 }
2162
2163 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon))
2164 goto out;
2165
2166 if (!netif_carrier_ok(priv->netdev))
2167 netif_carrier_on(priv->netdev);
2168 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter);
2169
2170 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
2171 kfree(bss_cfg);
2172 return 0;
2173
2174 out:
2175 kfree(bss_cfg);
2176 return -1;
2177 }
2178
2179 /*
2180 * CFG802.11 operation handler for disconnection request.
2181 *
2182 * This function does not work when there is already a disconnection
2183 * procedure going on.
2184 */
2185 static int
mwifiex_cfg80211_disconnect(struct wiphy * wiphy,struct net_device * dev,u16 reason_code)2186 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
2187 u16 reason_code)
2188 {
2189 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2190
2191 if (!mwifiex_stop_bg_scan(priv))
2192 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2193
2194 if (mwifiex_deauthenticate(priv, NULL))
2195 return -EFAULT;
2196
2197 eth_zero_addr(priv->cfg_bssid);
2198 priv->hs2_enabled = false;
2199
2200 return 0;
2201 }
2202
2203 /*
2204 * This function informs the CFG802.11 subsystem of a new IBSS.
2205 *
2206 * The following information are sent to the CFG802.11 subsystem
2207 * to register the new IBSS. If we do not register the new IBSS,
2208 * a kernel panic will result.
2209 * - SSID
2210 * - SSID length
2211 * - BSSID
2212 * - Channel
2213 */
mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private * priv)2214 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
2215 {
2216 struct ieee80211_channel *chan;
2217 struct mwifiex_bss_info bss_info;
2218 struct cfg80211_bss *bss;
2219 int ie_len;
2220 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
2221 enum nl80211_band band;
2222
2223 if (mwifiex_get_bss_info(priv, &bss_info))
2224 return -1;
2225
2226 ie_buf[0] = WLAN_EID_SSID;
2227 ie_buf[1] = bss_info.ssid.ssid_len;
2228
2229 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
2230 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
2231 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
2232
2233 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
2234 chan = ieee80211_get_channel(priv->wdev.wiphy,
2235 ieee80211_channel_to_frequency(bss_info.bss_chan,
2236 band));
2237
2238 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
2239 CFG80211_BSS_FTYPE_UNKNOWN,
2240 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
2241 0, ie_buf, ie_len, 0, GFP_KERNEL);
2242 if (bss) {
2243 cfg80211_put_bss(priv->wdev.wiphy, bss);
2244 ether_addr_copy(priv->cfg_bssid, bss_info.bssid);
2245 }
2246
2247 return 0;
2248 }
2249
2250 /*
2251 * This function connects with a BSS.
2252 *
2253 * This function handles both Infra and Ad-Hoc modes. It also performs
2254 * validity checking on the provided parameters, disconnects from the
2255 * current BSS (if any), sets up the association/scan parameters,
2256 * including security settings, and performs specific SSID scan before
2257 * trying to connect.
2258 *
2259 * For Infra mode, the function returns failure if the specified SSID
2260 * is not found in scan table. However, for Ad-Hoc mode, it can create
2261 * the IBSS if it does not exist. On successful completion in either case,
2262 * the function notifies the CFG802.11 subsystem of the new BSS connection.
2263 */
2264 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)2265 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2266 const u8 *ssid, const u8 *bssid, int mode,
2267 struct ieee80211_channel *channel,
2268 struct cfg80211_connect_params *sme, bool privacy,
2269 struct cfg80211_bss **sel_bss)
2270 {
2271 struct cfg80211_ssid req_ssid;
2272 int ret, auth_type = 0;
2273 struct cfg80211_bss *bss = NULL;
2274 u8 is_scanning_required = 0;
2275
2276 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
2277
2278 req_ssid.ssid_len = ssid_len;
2279 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
2280 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2281 return -EINVAL;
2282 }
2283
2284 memcpy(req_ssid.ssid, ssid, ssid_len);
2285 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
2286 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
2287 return -EINVAL;
2288 }
2289
2290 /* As this is new association, clear locally stored
2291 * keys and security related flags */
2292 priv->sec_info.wpa_enabled = false;
2293 priv->sec_info.wpa2_enabled = false;
2294 priv->wep_key_curr_index = 0;
2295 priv->sec_info.encryption_mode = 0;
2296 priv->sec_info.is_authtype_auto = 0;
2297 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
2298
2299 if (mode == NL80211_IFTYPE_ADHOC) {
2300 u16 enable = true;
2301
2302 /* set ibss coalescing_status */
2303 ret = mwifiex_send_cmd(
2304 priv,
2305 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS,
2306 HostCmd_ACT_GEN_SET, 0, &enable, true);
2307 if (ret)
2308 return ret;
2309
2310 /* "privacy" is set only for ad-hoc mode */
2311 if (privacy) {
2312 /*
2313 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
2314 * the firmware can find a matching network from the
2315 * scan. The cfg80211 does not give us the encryption
2316 * mode at this stage so just setting it to WEP here.
2317 */
2318 priv->sec_info.encryption_mode =
2319 WLAN_CIPHER_SUITE_WEP104;
2320 priv->sec_info.authentication_mode =
2321 NL80211_AUTHTYPE_OPEN_SYSTEM;
2322 }
2323
2324 goto done;
2325 }
2326
2327 /* Now handle infra mode. "sme" is valid for infra mode only */
2328 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
2329 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
2330 priv->sec_info.is_authtype_auto = 1;
2331 } else {
2332 auth_type = sme->auth_type;
2333 }
2334
2335 if (sme->crypto.n_ciphers_pairwise) {
2336 priv->sec_info.encryption_mode =
2337 sme->crypto.ciphers_pairwise[0];
2338 priv->sec_info.authentication_mode = auth_type;
2339 }
2340
2341 if (sme->crypto.cipher_group) {
2342 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
2343 priv->sec_info.authentication_mode = auth_type;
2344 }
2345 if (sme->ie)
2346 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2347
2348 if (sme->key) {
2349 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
2350 mwifiex_dbg(priv->adapter, INFO,
2351 "info: setting wep encryption\t"
2352 "with key len %d\n", sme->key_len);
2353 priv->wep_key_curr_index = sme->key_idx;
2354 ret = mwifiex_set_encode(priv, NULL, sme->key,
2355 sme->key_len, sme->key_idx,
2356 NULL, 0);
2357 }
2358 }
2359 done:
2360 /*
2361 * Scan entries are valid for some time (15 sec). So we can save one
2362 * active scan time if we just try cfg80211_get_bss first. If it fails
2363 * then request scan and cfg80211_get_bss() again for final output.
2364 */
2365 while (1) {
2366 if (is_scanning_required) {
2367 /* Do specific SSID scanning */
2368 if (mwifiex_request_scan(priv, &req_ssid)) {
2369 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
2370 return -EFAULT;
2371 }
2372 }
2373
2374 /* Find the BSS we want using available scan results */
2375 if (mode == NL80211_IFTYPE_ADHOC)
2376 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2377 bssid, ssid, ssid_len,
2378 IEEE80211_BSS_TYPE_IBSS,
2379 IEEE80211_PRIVACY_ANY);
2380 else
2381 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
2382 bssid, ssid, ssid_len,
2383 IEEE80211_BSS_TYPE_ESS,
2384 IEEE80211_PRIVACY_ANY);
2385
2386 if (!bss) {
2387 if (is_scanning_required) {
2388 mwifiex_dbg(priv->adapter, MSG,
2389 "assoc: requested bss not found in scan results\n");
2390 break;
2391 }
2392 is_scanning_required = 1;
2393 } else {
2394 mwifiex_dbg(priv->adapter, MSG,
2395 "info: trying to associate to bssid %pM\n",
2396 bss->bssid);
2397 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2398 break;
2399 }
2400 }
2401
2402 if (bss)
2403 cfg80211_ref_bss(priv->adapter->wiphy, bss);
2404
2405 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2406 if (ret)
2407 goto cleanup;
2408
2409 if (mode == NL80211_IFTYPE_ADHOC) {
2410 /* Inform the BSS information to kernel, otherwise
2411 * kernel will give a panic after successful assoc */
2412 if (mwifiex_cfg80211_inform_ibss_bss(priv)) {
2413 ret = -EFAULT;
2414 goto cleanup;
2415 }
2416 }
2417
2418 /* Pass the selected BSS entry to caller. */
2419 if (sel_bss) {
2420 *sel_bss = bss;
2421 bss = NULL;
2422 }
2423
2424 cleanup:
2425 if (bss)
2426 cfg80211_put_bss(priv->adapter->wiphy, bss);
2427 return ret;
2428 }
2429
2430 /*
2431 * CFG802.11 operation handler for association request.
2432 *
2433 * This function does not work when the current mode is set to Ad-Hoc, or
2434 * when there is already an association procedure going on. The given BSS
2435 * information is used to associate.
2436 */
2437 static int
mwifiex_cfg80211_connect(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_connect_params * sme)2438 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2439 struct cfg80211_connect_params *sme)
2440 {
2441 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2442 struct mwifiex_adapter *adapter = priv->adapter;
2443 struct cfg80211_bss *bss = NULL;
2444 int ret;
2445
2446 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
2447 mwifiex_dbg(adapter, ERROR,
2448 "%s: reject infra assoc request in non-STA role\n",
2449 dev->name);
2450 return -EINVAL;
2451 }
2452
2453 if (priv->wdev.connected) {
2454 mwifiex_dbg(adapter, ERROR,
2455 "%s: already connected\n", dev->name);
2456 return -EALREADY;
2457 }
2458
2459 if (priv->scan_block)
2460 priv->scan_block = false;
2461
2462 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) ||
2463 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) {
2464 mwifiex_dbg(adapter, ERROR,
2465 "%s: Ignore connection.\t"
2466 "Card removed or FW in bad state\n",
2467 dev->name);
2468 return -EFAULT;
2469 }
2470
2471 mwifiex_dbg(adapter, INFO,
2472 "info: Trying to associate to bssid %pM\n", sme->bssid);
2473
2474 if (!mwifiex_stop_bg_scan(priv))
2475 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2476
2477 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
2478 priv->bss_mode, sme->channel, sme, 0,
2479 &bss);
2480 if (!ret) {
2481 cfg80211_connect_bss(priv->netdev, priv->cfg_bssid, bss, NULL,
2482 0, NULL, 0, WLAN_STATUS_SUCCESS,
2483 GFP_KERNEL, NL80211_TIMEOUT_UNSPECIFIED);
2484 mwifiex_dbg(priv->adapter, MSG,
2485 "info: associated to bssid %pM successfully\n",
2486 priv->cfg_bssid);
2487 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2488 priv->adapter->auto_tdls &&
2489 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2490 mwifiex_setup_auto_tdls_timer(priv);
2491 } else {
2492 mwifiex_dbg(priv->adapter, ERROR,
2493 "info: association to bssid %pM failed\n",
2494 priv->cfg_bssid);
2495 eth_zero_addr(priv->cfg_bssid);
2496
2497 if (ret > 0)
2498 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2499 NULL, 0, NULL, 0, ret,
2500 GFP_KERNEL);
2501 else
2502 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2503 NULL, 0, NULL, 0,
2504 WLAN_STATUS_UNSPECIFIED_FAILURE,
2505 GFP_KERNEL);
2506 }
2507
2508 return 0;
2509 }
2510
2511 /*
2512 * This function sets following parameters for ibss network.
2513 * - channel
2514 * - start band
2515 * - 11n flag
2516 * - secondary channel offset
2517 */
mwifiex_set_ibss_params(struct mwifiex_private * priv,struct cfg80211_ibss_params * params)2518 static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2519 struct cfg80211_ibss_params *params)
2520 {
2521 struct mwifiex_adapter *adapter = priv->adapter;
2522 int index = 0, i;
2523 u8 config_bands = 0;
2524
2525 if (params->chandef.chan->band == NL80211_BAND_2GHZ) {
2526 if (!params->basic_rates) {
2527 config_bands = BAND_B | BAND_G;
2528 } else {
2529 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2530 /*
2531 * Rates below 6 Mbps in the table are CCK
2532 * rates; 802.11b and from 6 they are OFDM;
2533 * 802.11G
2534 */
2535 if (mwifiex_rates[i].bitrate == 60) {
2536 index = 1 << i;
2537 break;
2538 }
2539 }
2540
2541 if (params->basic_rates < index) {
2542 config_bands = BAND_B;
2543 } else {
2544 config_bands = BAND_G;
2545 if (params->basic_rates % index)
2546 config_bands |= BAND_B;
2547 }
2548 }
2549
2550 if (cfg80211_get_chandef_type(¶ms->chandef) !=
2551 NL80211_CHAN_NO_HT)
2552 config_bands |= BAND_G | BAND_GN;
2553 } else {
2554 if (cfg80211_get_chandef_type(¶ms->chandef) ==
2555 NL80211_CHAN_NO_HT)
2556 config_bands = BAND_A;
2557 else
2558 config_bands = BAND_AN | BAND_A;
2559 }
2560
2561 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2562 adapter->config_bands = config_bands;
2563 adapter->adhoc_start_band = config_bands;
2564
2565 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2566 adapter->adhoc_11n_enabled = true;
2567 else
2568 adapter->adhoc_11n_enabled = false;
2569 }
2570
2571 adapter->sec_chan_offset =
2572 mwifiex_chan_type_to_sec_chan_offset(
2573 cfg80211_get_chandef_type(¶ms->chandef));
2574 priv->adhoc_channel = ieee80211_frequency_to_channel(
2575 params->chandef.chan->center_freq);
2576
2577 mwifiex_dbg(adapter, INFO,
2578 "info: set ibss band %d, chan %d, chan offset %d\n",
2579 config_bands, priv->adhoc_channel,
2580 adapter->sec_chan_offset);
2581
2582 return 0;
2583 }
2584
2585 /*
2586 * CFG802.11 operation handler to join an IBSS.
2587 *
2588 * This function does not work in any mode other than Ad-Hoc, or if
2589 * a join operation is already in progress.
2590 */
2591 static int
mwifiex_cfg80211_join_ibss(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ibss_params * params)2592 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2593 struct cfg80211_ibss_params *params)
2594 {
2595 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2596 int ret = 0;
2597
2598 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
2599 mwifiex_dbg(priv->adapter, ERROR,
2600 "request to join ibss received\t"
2601 "when station is not in ibss mode\n");
2602 goto done;
2603 }
2604
2605 mwifiex_dbg(priv->adapter, MSG, "info: trying to join to bssid %pM\n",
2606 params->bssid);
2607
2608 mwifiex_set_ibss_params(priv, params);
2609
2610 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
2611 params->bssid, priv->bss_mode,
2612 params->chandef.chan, NULL,
2613 params->privacy, NULL);
2614 done:
2615 if (!ret) {
2616 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2617 params->chandef.chan, GFP_KERNEL);
2618 mwifiex_dbg(priv->adapter, MSG,
2619 "info: joined/created adhoc network with bssid\t"
2620 "%pM successfully\n", priv->cfg_bssid);
2621 } else {
2622 mwifiex_dbg(priv->adapter, ERROR,
2623 "info: failed creating/joining adhoc network\n");
2624 }
2625
2626 return ret;
2627 }
2628
2629 /*
2630 * CFG802.11 operation handler to leave an IBSS.
2631 *
2632 * This function does not work if a leave operation is
2633 * already in progress.
2634 */
2635 static int
mwifiex_cfg80211_leave_ibss(struct wiphy * wiphy,struct net_device * dev)2636 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2637 {
2638 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2639
2640 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2641 priv->cfg_bssid);
2642 if (mwifiex_deauthenticate(priv, NULL))
2643 return -EFAULT;
2644
2645 eth_zero_addr(priv->cfg_bssid);
2646
2647 return 0;
2648 }
2649
2650 /*
2651 * CFG802.11 operation handler for scan request.
2652 *
2653 * This function issues a scan request to the firmware based upon
2654 * the user specified scan configuration. On successful completion,
2655 * it also informs the results.
2656 */
2657 static int
mwifiex_cfg80211_scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)2658 mwifiex_cfg80211_scan(struct wiphy *wiphy,
2659 struct cfg80211_scan_request *request)
2660 {
2661 struct net_device *dev = request->wdev->netdev;
2662 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2663 int i, offset, ret;
2664 struct ieee80211_channel *chan;
2665 struct ieee_types_header *ie;
2666 struct mwifiex_user_scan_cfg *user_scan_cfg;
2667 u8 mac_addr[ETH_ALEN];
2668
2669 mwifiex_dbg(priv->adapter, CMD,
2670 "info: received scan request on %s\n", dev->name);
2671
2672 /* Block scan request if scan operation or scan cleanup when interface
2673 * is disabled is in process
2674 */
2675 if (priv->scan_request || priv->scan_aborting) {
2676 mwifiex_dbg(priv->adapter, WARN,
2677 "cmd: Scan already in process..\n");
2678 return -EBUSY;
2679 }
2680
2681 if (!priv->wdev.connected && priv->scan_block)
2682 priv->scan_block = false;
2683
2684 if (!mwifiex_stop_bg_scan(priv))
2685 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
2686
2687 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2688 if (!user_scan_cfg)
2689 return -ENOMEM;
2690
2691 priv->scan_request = request;
2692
2693 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
2694 get_random_mask_addr(mac_addr, request->mac_addr,
2695 request->mac_addr_mask);
2696 ether_addr_copy(request->mac_addr, mac_addr);
2697 ether_addr_copy(user_scan_cfg->random_mac, mac_addr);
2698 }
2699
2700 user_scan_cfg->num_ssids = request->n_ssids;
2701 user_scan_cfg->ssid_list = request->ssids;
2702
2703 if (request->ie && request->ie_len) {
2704 offset = 0;
2705 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2706 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2707 continue;
2708 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
2709 ie = (struct ieee_types_header *)(request->ie + offset);
2710 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2711 offset += sizeof(*ie) + ie->len;
2712
2713 if (offset >= request->ie_len)
2714 break;
2715 }
2716 }
2717
2718 for (i = 0; i < min_t(u32, request->n_channels,
2719 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
2720 chan = request->channels[i];
2721 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2722 user_scan_cfg->chan_list[i].radio_type = chan->band;
2723
2724 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2725 user_scan_cfg->chan_list[i].scan_type =
2726 MWIFIEX_SCAN_TYPE_PASSIVE;
2727 else
2728 user_scan_cfg->chan_list[i].scan_type =
2729 MWIFIEX_SCAN_TYPE_ACTIVE;
2730
2731 user_scan_cfg->chan_list[i].scan_time = 0;
2732 }
2733
2734 if (priv->adapter->scan_chan_gap_enabled &&
2735 mwifiex_is_any_intf_active(priv))
2736 user_scan_cfg->scan_chan_gap =
2737 priv->adapter->scan_chan_gap_time;
2738
2739 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2740 kfree(user_scan_cfg);
2741 if (ret) {
2742 mwifiex_dbg(priv->adapter, ERROR,
2743 "scan failed: %d\n", ret);
2744 priv->scan_aborting = false;
2745 priv->scan_request = NULL;
2746 return ret;
2747 }
2748
2749 if (request->ie && request->ie_len) {
2750 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2751 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2752 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2753 memset(&priv->vs_ie[i].ie, 0,
2754 MWIFIEX_MAX_VSIE_LEN);
2755 }
2756 }
2757 }
2758 return 0;
2759 }
2760
2761 /* CFG802.11 operation handler for sched_scan_start.
2762 *
2763 * This function issues a bgscan config request to the firmware based upon
2764 * the user specified sched_scan configuration. On successful completion,
2765 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan
2766 * query command to get sched_scan results from firmware.
2767 */
2768 static int
mwifiex_cfg80211_sched_scan_start(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_sched_scan_request * request)2769 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy,
2770 struct net_device *dev,
2771 struct cfg80211_sched_scan_request *request)
2772 {
2773 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2774 int i, offset;
2775 struct ieee80211_channel *chan;
2776 struct mwifiex_bg_scan_cfg *bgscan_cfg;
2777 struct ieee_types_header *ie;
2778
2779 if (!request || (!request->n_ssids && !request->n_match_sets)) {
2780 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters",
2781 __func__);
2782 return -EINVAL;
2783 }
2784
2785 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ",
2786 request->n_ssids, request->n_match_sets);
2787 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n",
2788 request->n_channels, request->scan_plans->interval,
2789 (int)request->ie_len);
2790
2791 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL);
2792 if (!bgscan_cfg)
2793 return -ENOMEM;
2794
2795 if (priv->scan_request || priv->scan_aborting)
2796 bgscan_cfg->start_later = true;
2797
2798 bgscan_cfg->num_ssids = request->n_match_sets;
2799 bgscan_cfg->ssid_list = request->match_sets;
2800
2801 if (request->ie && request->ie_len) {
2802 offset = 0;
2803 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2804 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2805 continue;
2806 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN;
2807 ie = (struct ieee_types_header *)(request->ie + offset);
2808 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2809 offset += sizeof(*ie) + ie->len;
2810
2811 if (offset >= request->ie_len)
2812 break;
2813 }
2814 }
2815
2816 for (i = 0; i < min_t(u32, request->n_channels,
2817 MWIFIEX_BG_SCAN_CHAN_MAX); i++) {
2818 chan = request->channels[i];
2819 bgscan_cfg->chan_list[i].chan_number = chan->hw_value;
2820 bgscan_cfg->chan_list[i].radio_type = chan->band;
2821
2822 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
2823 bgscan_cfg->chan_list[i].scan_type =
2824 MWIFIEX_SCAN_TYPE_PASSIVE;
2825 else
2826 bgscan_cfg->chan_list[i].scan_type =
2827 MWIFIEX_SCAN_TYPE_ACTIVE;
2828
2829 bgscan_cfg->chan_list[i].scan_time = 0;
2830 }
2831
2832 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels,
2833 MWIFIEX_BG_SCAN_CHAN_MAX);
2834
2835 /* Use at least 15 second for per scan cycle */
2836 bgscan_cfg->scan_interval = (request->scan_plans->interval >
2837 MWIFIEX_BGSCAN_INTERVAL) ?
2838 request->scan_plans->interval :
2839 MWIFIEX_BGSCAN_INTERVAL;
2840
2841 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT;
2842 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH |
2843 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE;
2844 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA;
2845 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET;
2846 bgscan_cfg->enable = true;
2847 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) {
2848 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH;
2849 bgscan_cfg->rssi_threshold = request->min_rssi_thold;
2850 }
2851
2852 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG,
2853 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) {
2854 kfree(bgscan_cfg);
2855 return -EFAULT;
2856 }
2857
2858 priv->sched_scanning = true;
2859
2860 kfree(bgscan_cfg);
2861 return 0;
2862 }
2863
2864 /* CFG802.11 operation handler for sched_scan_stop.
2865 *
2866 * This function issues a bgscan config command to disable
2867 * previous bgscan configuration in the firmware
2868 */
mwifiex_cfg80211_sched_scan_stop(struct wiphy * wiphy,struct net_device * dev,u64 reqid)2869 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy,
2870 struct net_device *dev, u64 reqid)
2871 {
2872 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2873
2874 wiphy_info(wiphy, "sched scan stop!");
2875 mwifiex_stop_bg_scan(priv);
2876
2877 return 0;
2878 }
2879
mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap * vht_info,struct mwifiex_private * priv)2880 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2881 struct mwifiex_private *priv)
2882 {
2883 struct mwifiex_adapter *adapter = priv->adapter;
2884
2885 vht_info->vht_supported = true;
2886
2887 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
2888 /* Update MCS support for VHT */
2889 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2890 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2891 vht_info->vht_mcs.rx_highest = 0;
2892 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2893 adapter->hw_dot_11ac_mcs_support >> 16);
2894 vht_info->vht_mcs.tx_highest = 0;
2895 }
2896
2897 /*
2898 * This function sets up the CFG802.11 specific HT capability fields
2899 * with default values.
2900 *
2901 * The following default values are set -
2902 * - HT Supported = True
2903 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2904 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2905 * - HT Capabilities supported by firmware
2906 * - MCS information, Rx mask = 0xff
2907 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2908 */
2909 static void
mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap * ht_info,struct mwifiex_private * priv)2910 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2911 struct mwifiex_private *priv)
2912 {
2913 int rx_mcs_supp;
2914 struct mwifiex_adapter *adapter = priv->adapter;
2915
2916 ht_info->ht_supported = true;
2917 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2918 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
2919
2920 /* Fill HT capability information */
2921 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2922 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2923 else
2924 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2925
2926 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2927 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2928 else
2929 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2930
2931 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2932 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2933 else
2934 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2935
2936 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2937 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2938 else
2939 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2940
2941 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2942 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2943 else
2944 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2945
2946 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2947 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2948 else
2949 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2950
2951 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2952 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2953 else
2954 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2955
2956 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2957 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2958 else
2959 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2960
2961 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2962 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2963
2964 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2965
2966 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
2967 /* Set MCS for 1x1/2x2 */
2968 memset(ht_info->mcs.rx_mask, 0xff, rx_mcs_supp);
2969
2970 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
2971 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2972 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2973 SETHT_MCS32(ht_info->mcs.rx_mask);
2974
2975 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2976 }
2977
2978 /*
2979 * create a new virtual interface with the given name and name assign type
2980 */
mwifiex_add_virtual_intf(struct wiphy * wiphy,const char * name,unsigned char name_assign_type,enum nl80211_iftype type,struct vif_params * params)2981 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
2982 const char *name,
2983 unsigned char name_assign_type,
2984 enum nl80211_iftype type,
2985 struct vif_params *params)
2986 {
2987 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2988 struct mwifiex_private *priv;
2989 struct net_device *dev;
2990 void *mdev_priv;
2991 int ret;
2992
2993 if (!adapter)
2994 return ERR_PTR(-EFAULT);
2995
2996 switch (type) {
2997 case NL80211_IFTYPE_UNSPECIFIED:
2998 case NL80211_IFTYPE_STATION:
2999 case NL80211_IFTYPE_ADHOC:
3000 if (adapter->curr_iface_comb.sta_intf ==
3001 adapter->iface_limit.sta_intf) {
3002 mwifiex_dbg(adapter, ERROR,
3003 "cannot create multiple sta/adhoc ifaces\n");
3004 return ERR_PTR(-EINVAL);
3005 }
3006
3007 priv = mwifiex_get_unused_priv_by_bss_type(
3008 adapter, MWIFIEX_BSS_TYPE_STA);
3009 if (!priv) {
3010 mwifiex_dbg(adapter, ERROR,
3011 "could not get free private struct\n");
3012 return ERR_PTR(-EFAULT);
3013 }
3014
3015 priv->wdev.iftype = NL80211_IFTYPE_STATION;
3016
3017 if (type == NL80211_IFTYPE_UNSPECIFIED)
3018 priv->bss_mode = NL80211_IFTYPE_STATION;
3019 else
3020 priv->bss_mode = type;
3021
3022 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
3023 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
3024
3025 break;
3026 case NL80211_IFTYPE_AP:
3027 if (adapter->curr_iface_comb.uap_intf ==
3028 adapter->iface_limit.uap_intf) {
3029 mwifiex_dbg(adapter, ERROR,
3030 "cannot create multiple AP ifaces\n");
3031 return ERR_PTR(-EINVAL);
3032 }
3033
3034 priv = mwifiex_get_unused_priv_by_bss_type(
3035 adapter, MWIFIEX_BSS_TYPE_UAP);
3036 if (!priv) {
3037 mwifiex_dbg(adapter, ERROR,
3038 "could not get free private struct\n");
3039 return ERR_PTR(-EFAULT);
3040 }
3041
3042 priv->wdev.iftype = NL80211_IFTYPE_AP;
3043
3044 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
3045 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
3046 priv->bss_mode = type;
3047
3048 break;
3049 case NL80211_IFTYPE_P2P_CLIENT:
3050 if (adapter->curr_iface_comb.p2p_intf ==
3051 adapter->iface_limit.p2p_intf) {
3052 mwifiex_dbg(adapter, ERROR,
3053 "cannot create multiple P2P ifaces\n");
3054 return ERR_PTR(-EINVAL);
3055 }
3056
3057 priv = mwifiex_get_unused_priv_by_bss_type(
3058 adapter, MWIFIEX_BSS_TYPE_P2P);
3059 if (!priv) {
3060 mwifiex_dbg(adapter, ERROR,
3061 "could not get free private struct\n");
3062 return ERR_PTR(-EFAULT);
3063 }
3064
3065 /* At start-up, wpa_supplicant tries to change the interface
3066 * to NL80211_IFTYPE_STATION if it is not managed mode.
3067 */
3068 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
3069 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
3070
3071 /* Setting bss_type to P2P tells firmware that this interface
3072 * is receiving P2P peers found during find phase and doing
3073 * action frame handshake.
3074 */
3075 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
3076
3077 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
3078
3079 if (mwifiex_cfg80211_init_p2p_client(priv)) {
3080 memset(&priv->wdev, 0, sizeof(priv->wdev));
3081 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3082 return ERR_PTR(-EFAULT);
3083 }
3084
3085 break;
3086 default:
3087 mwifiex_dbg(adapter, ERROR, "type not supported\n");
3088 return ERR_PTR(-EINVAL);
3089 }
3090
3091 priv->wdev.wiphy = wiphy;
3092 priv->bss_priority = 0;
3093 priv->bss_started = 0;
3094 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
3095
3096 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
3097 name_assign_type, ether_setup,
3098 IEEE80211_NUM_ACS, 1);
3099 if (!dev) {
3100 mwifiex_dbg(adapter, ERROR,
3101 "no memory available for netdevice\n");
3102 ret = -ENOMEM;
3103 goto err_alloc_netdev;
3104 }
3105
3106 mwifiex_init_priv_params(priv, dev);
3107
3108 priv->netdev = dev;
3109
3110 if (!adapter->mfg_mode) {
3111 mwifiex_set_mac_address(priv, dev, false, NULL);
3112
3113 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
3114 HostCmd_ACT_GEN_SET, 0, NULL, true);
3115 if (ret)
3116 goto err_set_bss_mode;
3117
3118 ret = mwifiex_sta_init_cmd(priv, false);
3119 if (ret)
3120 goto err_sta_init;
3121 }
3122
3123 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv);
3124 if (adapter->is_hw_11ac_capable)
3125 mwifiex_setup_vht_caps(
3126 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv);
3127
3128 if (adapter->config_bands & BAND_A)
3129 mwifiex_setup_ht_caps(
3130 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv);
3131
3132 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
3133 mwifiex_setup_vht_caps(
3134 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv);
3135
3136 dev_net_set(dev, wiphy_net(wiphy));
3137 dev->ieee80211_ptr = &priv->wdev;
3138 dev->ieee80211_ptr->iftype = priv->bss_mode;
3139 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
3140
3141 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
3142 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
3143 dev->needed_headroom = MWIFIEX_MIN_DATA_HEADER_LEN;
3144 dev->ethtool_ops = &mwifiex_ethtool_ops;
3145
3146 mdev_priv = netdev_priv(dev);
3147 *((unsigned long *) mdev_priv) = (unsigned long) priv;
3148
3149 SET_NETDEV_DEV(dev, adapter->dev);
3150
3151 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
3152 WQ_HIGHPRI |
3153 WQ_MEM_RECLAIM |
3154 WQ_UNBOUND, 0, name);
3155 if (!priv->dfs_cac_workqueue) {
3156 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS CAC queue\n");
3157 ret = -ENOMEM;
3158 goto err_alloc_cac;
3159 }
3160
3161 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
3162
3163 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
3164 WQ_HIGHPRI | WQ_UNBOUND |
3165 WQ_MEM_RECLAIM, 0, name);
3166 if (!priv->dfs_chan_sw_workqueue) {
3167 mwifiex_dbg(adapter, ERROR, "cannot alloc DFS channel sw queue\n");
3168 ret = -ENOMEM;
3169 goto err_alloc_chsw;
3170 }
3171
3172 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
3173 mwifiex_dfs_chan_sw_work_queue);
3174
3175 mutex_init(&priv->async_mutex);
3176
3177 /* Register network device */
3178 if (cfg80211_register_netdevice(dev)) {
3179 mwifiex_dbg(adapter, ERROR, "cannot register network device\n");
3180 ret = -EFAULT;
3181 goto err_reg_netdev;
3182 }
3183
3184 mwifiex_dbg(adapter, INFO,
3185 "info: %s: Marvell 802.11 Adapter\n", dev->name);
3186
3187 #ifdef CONFIG_DEBUG_FS
3188 mwifiex_dev_debugfs_init(priv);
3189 #endif
3190
3191 update_vif_type_counter(adapter, type, +1);
3192
3193 return &priv->wdev;
3194
3195 err_reg_netdev:
3196 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3197 priv->dfs_chan_sw_workqueue = NULL;
3198 err_alloc_chsw:
3199 destroy_workqueue(priv->dfs_cac_workqueue);
3200 priv->dfs_cac_workqueue = NULL;
3201 err_alloc_cac:
3202 free_netdev(dev);
3203 priv->netdev = NULL;
3204 err_sta_init:
3205 err_set_bss_mode:
3206 err_alloc_netdev:
3207 memset(&priv->wdev, 0, sizeof(priv->wdev));
3208 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
3209 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3210 return ERR_PTR(ret);
3211 }
3212 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
3213
3214 /*
3215 * del_virtual_intf: remove the virtual interface determined by dev
3216 */
mwifiex_del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)3217 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
3218 {
3219 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3220 struct mwifiex_adapter *adapter = priv->adapter;
3221 struct sk_buff *skb, *tmp;
3222
3223 #ifdef CONFIG_DEBUG_FS
3224 mwifiex_dev_debugfs_remove(priv);
3225 #endif
3226
3227 if (priv->sched_scanning)
3228 priv->sched_scanning = false;
3229
3230 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
3231
3232 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) {
3233 skb_unlink(skb, &priv->bypass_txq);
3234 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
3235 }
3236
3237 if (netif_carrier_ok(priv->netdev))
3238 netif_carrier_off(priv->netdev);
3239
3240 if (wdev->netdev->reg_state == NETREG_REGISTERED)
3241 cfg80211_unregister_netdevice(wdev->netdev);
3242
3243 if (priv->dfs_cac_workqueue) {
3244 destroy_workqueue(priv->dfs_cac_workqueue);
3245 priv->dfs_cac_workqueue = NULL;
3246 }
3247
3248 if (priv->dfs_chan_sw_workqueue) {
3249 destroy_workqueue(priv->dfs_chan_sw_workqueue);
3250 priv->dfs_chan_sw_workqueue = NULL;
3251 }
3252 /* Clear the priv in adapter */
3253 priv->netdev = NULL;
3254
3255 update_vif_type_counter(adapter, priv->bss_mode, -1);
3256
3257 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
3258
3259 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
3260 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
3261 kfree(priv->hist_data);
3262
3263 return 0;
3264 }
3265 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
3266
3267 static bool
mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern * pat,s8 * byte_seq,u8 max_byte_seq)3268 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
3269 u8 max_byte_seq)
3270 {
3271 int j, k, valid_byte_cnt = 0;
3272 bool dont_care_byte = false;
3273
3274 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
3275 for (k = 0; k < 8; k++) {
3276 if (pat->mask[j] & 1 << k) {
3277 memcpy(byte_seq + valid_byte_cnt,
3278 &pat->pattern[j * 8 + k], 1);
3279 valid_byte_cnt++;
3280 if (dont_care_byte)
3281 return false;
3282 } else {
3283 if (valid_byte_cnt)
3284 dont_care_byte = true;
3285 }
3286
3287 /* wildcard bytes record as the offset
3288 * before the valid byte
3289 */
3290 if (!valid_byte_cnt && !dont_care_byte)
3291 pat->pkt_offset++;
3292
3293 if (valid_byte_cnt > max_byte_seq)
3294 return false;
3295 }
3296 }
3297
3298 byte_seq[max_byte_seq] = valid_byte_cnt;
3299
3300 return true;
3301 }
3302
3303 #ifdef CONFIG_PM
mwifiex_set_auto_arp_mef_entry(struct mwifiex_private * priv,struct mwifiex_mef_entry * mef_entry)3304 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
3305 struct mwifiex_mef_entry *mef_entry)
3306 {
3307 int i, filt_num = 0, num_ipv4 = 0;
3308 struct in_device *in_dev;
3309 struct in_ifaddr *ifa;
3310 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
3311 struct mwifiex_adapter *adapter = priv->adapter;
3312
3313 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3314 mef_entry->action = MEF_ACTION_AUTO_ARP;
3315
3316 /* Enable ARP offload feature */
3317 memset(ips, 0, sizeof(ips));
3318 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
3319 if (adapter->priv[i]->netdev) {
3320 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
3321 if (!in_dev)
3322 continue;
3323 ifa = rtnl_dereference(in_dev->ifa_list);
3324 if (!ifa || !ifa->ifa_local)
3325 continue;
3326 ips[i] = ifa->ifa_local;
3327 num_ipv4++;
3328 }
3329 }
3330
3331 for (i = 0; i < num_ipv4; i++) {
3332 if (!ips[i])
3333 continue;
3334 mef_entry->filter[filt_num].repeat = 1;
3335 memcpy(mef_entry->filter[filt_num].byte_seq,
3336 (u8 *)&ips[i], sizeof(ips[i]));
3337 mef_entry->filter[filt_num].
3338 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3339 sizeof(ips[i]);
3340 mef_entry->filter[filt_num].offset = 46;
3341 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3342 if (filt_num) {
3343 mef_entry->filter[filt_num].filt_action =
3344 TYPE_OR;
3345 }
3346 filt_num++;
3347 }
3348
3349 mef_entry->filter[filt_num].repeat = 1;
3350 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
3351 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
3352 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
3353 mef_entry->filter[filt_num].offset = 20;
3354 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3355 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3356 }
3357
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)3358 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
3359 struct mwifiex_ds_mef_cfg *mef_cfg,
3360 struct mwifiex_mef_entry *mef_entry,
3361 struct cfg80211_wowlan *wowlan)
3362 {
3363 int i, filt_num = 0, ret = 0;
3364 bool first_pat = true;
3365 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
3366 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3367 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3368
3369 mef_entry->mode = MEF_MODE_HOST_SLEEP;
3370 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
3371
3372 for (i = 0; i < wowlan->n_patterns; i++) {
3373 memset(byte_seq, 0, sizeof(byte_seq));
3374 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
3375 byte_seq,
3376 MWIFIEX_MEF_MAX_BYTESEQ)) {
3377 mwifiex_dbg(priv->adapter, ERROR,
3378 "Pattern not supported\n");
3379 return -EOPNOTSUPP;
3380 }
3381
3382 if (!wowlan->patterns[i].pkt_offset) {
3383 if (is_unicast_ether_addr(byte_seq) &&
3384 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
3385 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3386 continue;
3387 } else if (is_broadcast_ether_addr(byte_seq)) {
3388 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
3389 continue;
3390 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3391 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
3392 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3393 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
3394 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
3395 continue;
3396 }
3397 }
3398 mef_entry->filter[filt_num].repeat = 1;
3399 mef_entry->filter[filt_num].offset =
3400 wowlan->patterns[i].pkt_offset;
3401 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
3402 sizeof(byte_seq));
3403 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3404
3405 if (first_pat) {
3406 first_pat = false;
3407 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n");
3408 } else {
3409 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3410 }
3411
3412 filt_num++;
3413 }
3414
3415 if (wowlan->magic_pkt) {
3416 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
3417 mef_entry->filter[filt_num].repeat = 16;
3418 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3419 ETH_ALEN);
3420 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3421 ETH_ALEN;
3422 mef_entry->filter[filt_num].offset = 28;
3423 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3424 if (filt_num)
3425 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3426
3427 filt_num++;
3428 mef_entry->filter[filt_num].repeat = 16;
3429 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
3430 ETH_ALEN);
3431 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
3432 ETH_ALEN;
3433 mef_entry->filter[filt_num].offset = 56;
3434 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3435 mef_entry->filter[filt_num].filt_action = TYPE_OR;
3436 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n");
3437 }
3438 return ret;
3439 }
3440
mwifiex_set_mef_filter(struct mwifiex_private * priv,struct cfg80211_wowlan * wowlan)3441 static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3442 struct cfg80211_wowlan *wowlan)
3443 {
3444 int ret = 0, num_entries = 1;
3445 struct mwifiex_ds_mef_cfg mef_cfg;
3446 struct mwifiex_mef_entry *mef_entry;
3447
3448 if (wowlan->n_patterns || wowlan->magic_pkt)
3449 num_entries++;
3450
3451 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3452 if (!mef_entry)
3453 return -ENOMEM;
3454
3455 memset(&mef_cfg, 0, sizeof(mef_cfg));
3456 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3457 MWIFIEX_CRITERIA_UNICAST;
3458 mef_cfg.num_entries = num_entries;
3459 mef_cfg.mef_entry = mef_entry;
3460
3461 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3462
3463 if (wowlan->n_patterns || wowlan->magic_pkt) {
3464 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3465 &mef_entry[1], wowlan);
3466 if (ret)
3467 goto err;
3468 }
3469
3470 if (!mef_cfg.criteria)
3471 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
3472 MWIFIEX_CRITERIA_UNICAST |
3473 MWIFIEX_CRITERIA_MULTICAST;
3474
3475 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
3476 HostCmd_ACT_GEN_SET, 0,
3477 &mef_cfg, true);
3478
3479 err:
3480 kfree(mef_entry);
3481 return ret;
3482 }
3483
mwifiex_cfg80211_suspend(struct wiphy * wiphy,struct cfg80211_wowlan * wowlan)3484 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3485 struct cfg80211_wowlan *wowlan)
3486 {
3487 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3488 struct mwifiex_ds_hs_cfg hs_cfg;
3489 int i, ret = 0, retry_num = 10;
3490 struct mwifiex_private *priv;
3491 struct mwifiex_private *sta_priv =
3492 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3493
3494 sta_priv->scan_aborting = true;
3495 for (i = 0; i < adapter->priv_num; i++) {
3496 priv = adapter->priv[i];
3497 mwifiex_abort_cac(priv);
3498 }
3499
3500 mwifiex_cancel_all_pending_cmd(adapter);
3501
3502 for (i = 0; i < adapter->priv_num; i++) {
3503 priv = adapter->priv[i];
3504 if (priv->netdev)
3505 netif_device_detach(priv->netdev);
3506 }
3507
3508 for (i = 0; i < retry_num; i++) {
3509 if (!mwifiex_wmm_lists_empty(adapter) ||
3510 !mwifiex_bypass_txlist_empty(adapter) ||
3511 !skb_queue_empty(&adapter->tx_data_q))
3512 usleep_range(10000, 15000);
3513 else
3514 break;
3515 }
3516
3517 if (!wowlan) {
3518 mwifiex_dbg(adapter, INFO,
3519 "None of the WOWLAN triggers enabled\n");
3520 ret = 0;
3521 goto done;
3522 }
3523
3524 if (!sta_priv->media_connected && !wowlan->nd_config) {
3525 mwifiex_dbg(adapter, ERROR,
3526 "Can not configure WOWLAN in disconnected state\n");
3527 ret = 0;
3528 goto done;
3529 }
3530
3531 ret = mwifiex_set_mef_filter(sta_priv, wowlan);
3532 if (ret) {
3533 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
3534 goto done;
3535 }
3536
3537 memset(&hs_cfg, 0, sizeof(hs_cfg));
3538 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions);
3539
3540 if (wowlan->nd_config) {
3541 mwifiex_dbg(adapter, INFO, "Wake on net detect\n");
3542 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3543 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev,
3544 wowlan->nd_config);
3545 }
3546
3547 if (wowlan->disconnect) {
3548 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT;
3549 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n");
3550 }
3551
3552 hs_cfg.is_invoke_hostcmd = false;
3553 hs_cfg.gpio = adapter->hs_cfg.gpio;
3554 hs_cfg.gap = adapter->hs_cfg.gap;
3555 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET,
3556 MWIFIEX_SYNC_CMD, &hs_cfg);
3557 if (ret)
3558 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n");
3559
3560 done:
3561 sta_priv->scan_aborting = false;
3562 return ret;
3563 }
3564
mwifiex_cfg80211_resume(struct wiphy * wiphy)3565 static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3566 {
3567 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3568 struct mwifiex_private *priv;
3569 struct mwifiex_ds_wakeup_reason wakeup_reason;
3570 struct cfg80211_wowlan_wakeup wakeup_report;
3571 int i;
3572 bool report_wakeup_reason = true;
3573
3574 for (i = 0; i < adapter->priv_num; i++) {
3575 priv = adapter->priv[i];
3576 if (priv->netdev)
3577 netif_device_attach(priv->netdev);
3578 }
3579
3580 if (!wiphy->wowlan_config)
3581 goto done;
3582
3583 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3584 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
3585 &wakeup_reason);
3586 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));
3587
3588 wakeup_report.pattern_idx = -1;
3589
3590 switch (wakeup_reason.hs_wakeup_reason) {
3591 case NO_HSWAKEUP_REASON:
3592 break;
3593 case BCAST_DATA_MATCHED:
3594 break;
3595 case MCAST_DATA_MATCHED:
3596 break;
3597 case UCAST_DATA_MATCHED:
3598 break;
3599 case MASKTABLE_EVENT_MATCHED:
3600 break;
3601 case NON_MASKABLE_EVENT_MATCHED:
3602 if (wiphy->wowlan_config->disconnect)
3603 wakeup_report.disconnect = true;
3604 if (wiphy->wowlan_config->nd_config)
3605 wakeup_report.net_detect = adapter->nd_info;
3606 break;
3607 case NON_MASKABLE_CONDITION_MATCHED:
3608 break;
3609 case MAGIC_PATTERN_MATCHED:
3610 if (wiphy->wowlan_config->magic_pkt)
3611 wakeup_report.magic_pkt = true;
3612 if (wiphy->wowlan_config->n_patterns)
3613 wakeup_report.pattern_idx = 1;
3614 break;
3615 case GTK_REKEY_FAILURE:
3616 if (wiphy->wowlan_config->gtk_rekey_failure)
3617 wakeup_report.gtk_rekey_failure = true;
3618 break;
3619 default:
3620 report_wakeup_reason = false;
3621 break;
3622 }
3623
3624 if (report_wakeup_reason)
3625 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report,
3626 GFP_KERNEL);
3627
3628 done:
3629 if (adapter->nd_info) {
3630 for (i = 0 ; i < adapter->nd_info->n_matches ; i++)
3631 kfree(adapter->nd_info->matches[i]);
3632 kfree(adapter->nd_info);
3633 adapter->nd_info = NULL;
3634 }
3635
3636 return 0;
3637 }
3638
mwifiex_cfg80211_set_wakeup(struct wiphy * wiphy,bool enabled)3639 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3640 bool enabled)
3641 {
3642 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3643
3644 device_set_wakeup_enable(adapter->dev, enabled);
3645 }
3646
mwifiex_set_rekey_data(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_gtk_rekey_data * data)3647 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev,
3648 struct cfg80211_gtk_rekey_data *data)
3649 {
3650 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3651
3652 if (!ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
3653 return -EOPNOTSUPP;
3654
3655 if (priv->adapter->host_mlme_enabled)
3656 return 0;
3657
3658 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG,
3659 HostCmd_ACT_GEN_SET, 0, data, true);
3660 }
3661
3662 #endif
3663
mwifiex_get_coalesce_pkt_type(u8 * byte_seq)3664 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3665 {
3666 static const u8 ipv4_mc_mac[] = {0x33, 0x33};
3667 static const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3668 static const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3669
3670 if ((byte_seq[0] & 0x01) &&
3671 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3672 return PACKET_TYPE_UNICAST;
3673 else if (!memcmp(byte_seq, bc_mac, 4))
3674 return PACKET_TYPE_BROADCAST;
3675 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3676 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3677 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3678 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3679 return PACKET_TYPE_MULTICAST;
3680
3681 return 0;
3682 }
3683
3684 static int
mwifiex_fill_coalesce_rule_info(struct mwifiex_private * priv,struct cfg80211_coalesce_rules * crule,struct mwifiex_coalesce_rule * mrule)3685 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3686 struct cfg80211_coalesce_rules *crule,
3687 struct mwifiex_coalesce_rule *mrule)
3688 {
3689 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3690 struct filt_field_param *param;
3691 int i;
3692
3693 mrule->max_coalescing_delay = crule->delay;
3694
3695 param = mrule->params;
3696
3697 for (i = 0; i < crule->n_patterns; i++) {
3698 memset(byte_seq, 0, sizeof(byte_seq));
3699 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3700 byte_seq,
3701 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
3702 mwifiex_dbg(priv->adapter, ERROR,
3703 "Pattern not supported\n");
3704 return -EOPNOTSUPP;
3705 }
3706
3707 if (!crule->patterns[i].pkt_offset) {
3708 u8 pkt_type;
3709
3710 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3711 if (pkt_type && mrule->pkt_type) {
3712 mwifiex_dbg(priv->adapter, ERROR,
3713 "Multiple packet types not allowed\n");
3714 return -EOPNOTSUPP;
3715 } else if (pkt_type) {
3716 mrule->pkt_type = pkt_type;
3717 continue;
3718 }
3719 }
3720
3721 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3722 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3723 else
3724 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3725
3726 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3727 memcpy(param->operand_byte_stream, byte_seq,
3728 param->operand_len);
3729 param->offset = crule->patterns[i].pkt_offset;
3730 param++;
3731
3732 mrule->num_of_fields++;
3733 }
3734
3735 if (!mrule->pkt_type) {
3736 mwifiex_dbg(priv->adapter, ERROR,
3737 "Packet type can not be determined\n");
3738 return -EOPNOTSUPP;
3739 }
3740
3741 return 0;
3742 }
3743
mwifiex_cfg80211_set_coalesce(struct wiphy * wiphy,struct cfg80211_coalesce * coalesce)3744 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3745 struct cfg80211_coalesce *coalesce)
3746 {
3747 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3748 int i, ret;
3749 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3750 struct mwifiex_private *priv =
3751 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3752
3753 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3754 if (!coalesce) {
3755 mwifiex_dbg(adapter, WARN,
3756 "Disable coalesce and reset all previous rules\n");
3757 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3758 HostCmd_ACT_GEN_SET, 0,
3759 &coalesce_cfg, true);
3760 }
3761
3762 coalesce_cfg.num_of_rules = coalesce->n_rules;
3763 for (i = 0; i < coalesce->n_rules; i++) {
3764 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3765 &coalesce_cfg.rule[i]);
3766 if (ret) {
3767 mwifiex_dbg(adapter, ERROR,
3768 "Recheck the patterns provided for rule %d\n",
3769 i + 1);
3770 return ret;
3771 }
3772 }
3773
3774 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3775 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
3776 }
3777
3778 /* cfg80211 ops handler for tdls_mgmt.
3779 * Function prepares TDLS action frame packets and forwards them to FW
3780 */
3781 static int
mwifiex_cfg80211_tdls_mgmt(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,int link_id,u8 action_code,u8 dialog_token,u16 status_code,u32 peer_capability,bool initiator,const u8 * extra_ies,size_t extra_ies_len)3782 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3783 const u8 *peer, int link_id, u8 action_code,
3784 u8 dialog_token, u16 status_code,
3785 u32 peer_capability, bool initiator,
3786 const u8 *extra_ies, size_t extra_ies_len)
3787 {
3788 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3789 int ret;
3790
3791 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3792 return -EOPNOTSUPP;
3793
3794 /* make sure we are in station mode and connected */
3795 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3796 return -EOPNOTSUPP;
3797
3798 switch (action_code) {
3799 case WLAN_TDLS_SETUP_REQUEST:
3800 mwifiex_dbg(priv->adapter, MSG,
3801 "Send TDLS Setup Request to %pM status_code=%d\n",
3802 peer, status_code);
3803 mwifiex_add_auto_tdls_peer(priv, peer);
3804 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3805 dialog_token, status_code,
3806 extra_ies, extra_ies_len);
3807 break;
3808 case WLAN_TDLS_SETUP_RESPONSE:
3809 mwifiex_add_auto_tdls_peer(priv, peer);
3810 mwifiex_dbg(priv->adapter, MSG,
3811 "Send TDLS Setup Response to %pM status_code=%d\n",
3812 peer, status_code);
3813 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3814 dialog_token, status_code,
3815 extra_ies, extra_ies_len);
3816 break;
3817 case WLAN_TDLS_SETUP_CONFIRM:
3818 mwifiex_dbg(priv->adapter, MSG,
3819 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3820 status_code);
3821 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3822 dialog_token, status_code,
3823 extra_ies, extra_ies_len);
3824 break;
3825 case WLAN_TDLS_TEARDOWN:
3826 mwifiex_dbg(priv->adapter, MSG,
3827 "Send TDLS Tear down to %pM\n", peer);
3828 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3829 dialog_token, status_code,
3830 extra_ies, extra_ies_len);
3831 break;
3832 case WLAN_TDLS_DISCOVERY_REQUEST:
3833 mwifiex_dbg(priv->adapter, MSG,
3834 "Send TDLS Discovery Request to %pM\n", peer);
3835 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3836 dialog_token, status_code,
3837 extra_ies, extra_ies_len);
3838 break;
3839 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
3840 mwifiex_dbg(priv->adapter, MSG,
3841 "Send TDLS Discovery Response to %pM\n", peer);
3842 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3843 dialog_token, status_code,
3844 extra_ies, extra_ies_len);
3845 break;
3846 default:
3847 mwifiex_dbg(priv->adapter, ERROR,
3848 "Unknown TDLS mgmt/action frame %pM\n", peer);
3849 ret = -EINVAL;
3850 break;
3851 }
3852
3853 return ret;
3854 }
3855
3856 static int
mwifiex_cfg80211_tdls_oper(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,enum nl80211_tdls_operation action)3857 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3858 const u8 *peer, enum nl80211_tdls_operation action)
3859 {
3860 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3861
3862 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3863 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3864 return -EOPNOTSUPP;
3865
3866 /* make sure we are in station mode and connected */
3867 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3868 return -EOPNOTSUPP;
3869
3870 mwifiex_dbg(priv->adapter, MSG,
3871 "TDLS peer=%pM, oper=%d\n", peer, action);
3872
3873 switch (action) {
3874 case NL80211_TDLS_ENABLE_LINK:
3875 action = MWIFIEX_TDLS_ENABLE_LINK;
3876 break;
3877 case NL80211_TDLS_DISABLE_LINK:
3878 action = MWIFIEX_TDLS_DISABLE_LINK;
3879 break;
3880 case NL80211_TDLS_TEARDOWN:
3881 /* shouldn't happen!*/
3882 mwifiex_dbg(priv->adapter, ERROR,
3883 "tdls_oper: teardown from driver not supported\n");
3884 return -EINVAL;
3885 case NL80211_TDLS_SETUP:
3886 /* shouldn't happen!*/
3887 mwifiex_dbg(priv->adapter, ERROR,
3888 "tdls_oper: setup from driver not supported\n");
3889 return -EINVAL;
3890 case NL80211_TDLS_DISCOVERY_REQ:
3891 /* shouldn't happen!*/
3892 mwifiex_dbg(priv->adapter, ERROR,
3893 "tdls_oper: discovery from driver not supported\n");
3894 return -EINVAL;
3895 default:
3896 mwifiex_dbg(priv->adapter, ERROR,
3897 "tdls_oper: operation not supported\n");
3898 return -EOPNOTSUPP;
3899 }
3900
3901 return mwifiex_tdls_oper(priv, peer, action);
3902 }
3903
3904 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)3905 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3906 const u8 *addr, u8 oper_class,
3907 struct cfg80211_chan_def *chandef)
3908 {
3909 struct mwifiex_sta_node *sta_ptr;
3910 u16 chan;
3911 u8 second_chan_offset, band;
3912 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3913
3914 spin_lock_bh(&priv->sta_list_spinlock);
3915 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3916 if (!sta_ptr) {
3917 spin_unlock_bh(&priv->sta_list_spinlock);
3918 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3919 __func__, addr);
3920 return -ENOENT;
3921 }
3922
3923 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3924 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3925 spin_unlock_bh(&priv->sta_list_spinlock);
3926 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3927 return -ENOENT;
3928 }
3929
3930 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3931 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3932 spin_unlock_bh(&priv->sta_list_spinlock);
3933 wiphy_err(wiphy, "channel switch is running, abort request\n");
3934 return -EALREADY;
3935 }
3936 spin_unlock_bh(&priv->sta_list_spinlock);
3937
3938 chan = chandef->chan->hw_value;
3939 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3940 band = chandef->chan->band;
3941 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3942
3943 return 0;
3944 }
3945
3946 static void
mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy * wiphy,struct net_device * dev,const u8 * addr)3947 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3948 struct net_device *dev,
3949 const u8 *addr)
3950 {
3951 struct mwifiex_sta_node *sta_ptr;
3952 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3953
3954 spin_lock_bh(&priv->sta_list_spinlock);
3955 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3956 if (!sta_ptr) {
3957 spin_unlock_bh(&priv->sta_list_spinlock);
3958 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3959 __func__, addr);
3960 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3961 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3962 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3963 spin_unlock_bh(&priv->sta_list_spinlock);
3964 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3965 addr);
3966 } else {
3967 spin_unlock_bh(&priv->sta_list_spinlock);
3968 mwifiex_stop_tdls_cs(priv, addr);
3969 }
3970 }
3971
3972 static int
mwifiex_cfg80211_uap_add_station(struct mwifiex_private * priv,const u8 * mac,struct station_parameters * params)3973 mwifiex_cfg80211_uap_add_station(struct mwifiex_private *priv, const u8 *mac,
3974 struct station_parameters *params)
3975 {
3976 struct mwifiex_sta_info add_sta;
3977 int ret;
3978
3979 memcpy(add_sta.peer_mac, mac, ETH_ALEN);
3980 add_sta.params = params;
3981
3982 ret = mwifiex_send_cmd(priv, HostCmd_CMD_ADD_NEW_STATION,
3983 HostCmd_ACT_ADD_STA, 0, (void *)&add_sta, true);
3984
3985 if (!ret) {
3986 struct station_info *sinfo;
3987
3988 sinfo = kzalloc(sizeof(*sinfo), GFP_KERNEL);
3989 if (!sinfo)
3990 return -ENOMEM;
3991
3992 cfg80211_new_sta(priv->netdev, mac, sinfo, GFP_KERNEL);
3993 kfree(sinfo);
3994 }
3995
3996 return ret;
3997 }
3998
3999 static int
mwifiex_cfg80211_add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)4000 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
4001 const u8 *mac, struct station_parameters *params)
4002 {
4003 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4004
4005 if (priv->adapter->host_mlme_enabled &&
4006 (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP))
4007 return mwifiex_cfg80211_uap_add_station(priv, mac, params);
4008
4009 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4010 return -EOPNOTSUPP;
4011
4012 /* make sure we are in station mode and connected */
4013 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4014 return -EOPNOTSUPP;
4015
4016 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
4017 }
4018
4019 static int
mwifiex_cfg80211_channel_switch(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_csa_settings * params)4020 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
4021 struct cfg80211_csa_settings *params)
4022 {
4023 struct ieee_types_header *chsw_ie;
4024 struct ieee80211_channel_sw_ie *channel_sw;
4025 int chsw_msec;
4026 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4027
4028 if (priv->adapter->scan_processing) {
4029 mwifiex_dbg(priv->adapter, ERROR,
4030 "radar detection: scan in process...\n");
4031 return -EBUSY;
4032 }
4033
4034 if (priv->wdev.links[0].cac_started)
4035 return -EBUSY;
4036
4037 if (cfg80211_chandef_identical(¶ms->chandef,
4038 &priv->dfs_chandef))
4039 return -EINVAL;
4040
4041 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
4042 params->beacon_csa.tail,
4043 params->beacon_csa.tail_len);
4044 if (!chsw_ie) {
4045 mwifiex_dbg(priv->adapter, ERROR,
4046 "Could not parse channel switch announcement IE\n");
4047 return -EINVAL;
4048 }
4049
4050 channel_sw = (void *)(chsw_ie + 1);
4051 if (channel_sw->mode) {
4052 if (netif_carrier_ok(priv->netdev))
4053 netif_carrier_off(priv->netdev);
4054 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
4055 }
4056
4057 if (mwifiex_del_mgmt_ies(priv))
4058 mwifiex_dbg(priv->adapter, ERROR,
4059 "Failed to delete mgmt IEs!\n");
4060
4061 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) {
4062 mwifiex_dbg(priv->adapter, ERROR,
4063 "%s: setting mgmt ies failed\n", __func__);
4064 return -EFAULT;
4065 }
4066
4067 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef));
4068 memcpy(&priv->beacon_after, ¶ms->beacon_after,
4069 sizeof(priv->beacon_after));
4070
4071 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
4072 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
4073 msecs_to_jiffies(chsw_msec));
4074 return 0;
4075 }
4076
mwifiex_cfg80211_get_channel(struct wiphy * wiphy,struct wireless_dev * wdev,unsigned int link_id,struct cfg80211_chan_def * chandef)4077 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
4078 struct wireless_dev *wdev,
4079 unsigned int link_id,
4080 struct cfg80211_chan_def *chandef)
4081 {
4082 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4083 struct mwifiex_bssdescriptor *curr_bss;
4084 struct ieee80211_channel *chan;
4085 enum nl80211_channel_type chan_type;
4086 enum nl80211_band band;
4087 int freq;
4088 int ret = -ENODATA;
4089
4090 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
4091 cfg80211_chandef_valid(&priv->bss_chandef)) {
4092 *chandef = priv->bss_chandef;
4093 ret = 0;
4094 } else if (priv->media_connected) {
4095 curr_bss = &priv->curr_bss_params.bss_descriptor;
4096 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
4097 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
4098 chan = ieee80211_get_channel(wiphy, freq);
4099
4100 if (priv->ht_param_present) {
4101 chan_type = mwifiex_get_chan_type(priv);
4102 cfg80211_chandef_create(chandef, chan, chan_type);
4103 } else {
4104 cfg80211_chandef_create(chandef, chan,
4105 NL80211_CHAN_NO_HT);
4106 }
4107 ret = 0;
4108 }
4109
4110 return ret;
4111 }
4112
4113 #ifdef CONFIG_NL80211_TESTMODE
4114
4115 enum mwifiex_tm_attr {
4116 __MWIFIEX_TM_ATTR_INVALID = 0,
4117 MWIFIEX_TM_ATTR_CMD = 1,
4118 MWIFIEX_TM_ATTR_DATA = 2,
4119
4120 /* keep last */
4121 __MWIFIEX_TM_ATTR_AFTER_LAST,
4122 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1,
4123 };
4124
4125 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = {
4126 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 },
4127 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY,
4128 .len = MWIFIEX_SIZE_OF_CMD_BUFFER },
4129 };
4130
4131 enum mwifiex_tm_command {
4132 MWIFIEX_TM_CMD_HOSTCMD = 0,
4133 };
4134
mwifiex_tm_cmd(struct wiphy * wiphy,struct wireless_dev * wdev,void * data,int len)4135 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev,
4136 void *data, int len)
4137 {
4138 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4139 struct mwifiex_ds_misc_cmd *hostcmd;
4140 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1];
4141 struct sk_buff *skb;
4142 int err;
4143
4144 if (!priv)
4145 return -EINVAL;
4146
4147 err = nla_parse_deprecated(tb, MWIFIEX_TM_ATTR_MAX, data, len,
4148 mwifiex_tm_policy, NULL);
4149 if (err)
4150 return err;
4151
4152 if (!tb[MWIFIEX_TM_ATTR_CMD])
4153 return -EINVAL;
4154
4155 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) {
4156 case MWIFIEX_TM_CMD_HOSTCMD:
4157 if (!tb[MWIFIEX_TM_ATTR_DATA])
4158 return -EINVAL;
4159
4160 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL);
4161 if (!hostcmd)
4162 return -ENOMEM;
4163
4164 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]);
4165 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]),
4166 hostcmd->len);
4167
4168 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) {
4169 dev_err(priv->adapter->dev, "Failed to process hostcmd\n");
4170 kfree(hostcmd);
4171 return -EFAULT;
4172 }
4173
4174 /* process hostcmd response*/
4175 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len);
4176 if (!skb) {
4177 kfree(hostcmd);
4178 return -ENOMEM;
4179 }
4180 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA,
4181 hostcmd->len, hostcmd->cmd);
4182 if (err) {
4183 kfree(hostcmd);
4184 kfree_skb(skb);
4185 return -EMSGSIZE;
4186 }
4187
4188 err = cfg80211_testmode_reply(skb);
4189 kfree(hostcmd);
4190 return err;
4191 default:
4192 return -EOPNOTSUPP;
4193 }
4194 }
4195 #endif
4196
4197 static int
mwifiex_cfg80211_start_radar_detection(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_chan_def * chandef,u32 cac_time_ms,int link_id)4198 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
4199 struct net_device *dev,
4200 struct cfg80211_chan_def *chandef,
4201 u32 cac_time_ms, int link_id)
4202 {
4203 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4204 struct mwifiex_radar_params radar_params;
4205
4206 if (priv->adapter->scan_processing) {
4207 mwifiex_dbg(priv->adapter, ERROR,
4208 "radar detection: scan already in process...\n");
4209 return -EBUSY;
4210 }
4211
4212 if (!mwifiex_is_11h_active(priv)) {
4213 mwifiex_dbg(priv->adapter, INFO,
4214 "Enable 11h extensions in FW\n");
4215 if (mwifiex_11h_activate(priv, true)) {
4216 mwifiex_dbg(priv->adapter, ERROR,
4217 "Failed to activate 11h extensions!!");
4218 return -1;
4219 }
4220 priv->state_11h.is_11h_active = true;
4221 }
4222
4223 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
4224 radar_params.chandef = chandef;
4225 radar_params.cac_time_ms = cac_time_ms;
4226
4227 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
4228
4229 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
4230 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
4231 return -1;
4232
4233 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
4234 msecs_to_jiffies(cac_time_ms));
4235 return 0;
4236 }
4237
4238 static int
mwifiex_cfg80211_change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)4239 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
4240 const u8 *mac,
4241 struct station_parameters *params)
4242 {
4243 int ret;
4244 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4245
4246 if (priv->adapter->host_mlme_enabled &&
4247 (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP))
4248 return 0;
4249
4250 /* we support change_station handler only for TDLS peers*/
4251 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
4252 return -EOPNOTSUPP;
4253
4254 /* make sure we are in station mode and connected */
4255 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
4256 return -EOPNOTSUPP;
4257
4258 priv->sta_params = params;
4259
4260 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
4261 priv->sta_params = NULL;
4262
4263 return ret;
4264 }
4265
4266 static int
mwifiex_cfg80211_authenticate(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_auth_request * req)4267 mwifiex_cfg80211_authenticate(struct wiphy *wiphy,
4268 struct net_device *dev,
4269 struct cfg80211_auth_request *req)
4270 {
4271 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4272 struct mwifiex_adapter *adapter = priv->adapter;
4273 struct sk_buff *skb;
4274 u16 pkt_len, auth_alg;
4275 int ret;
4276 struct mwifiex_ieee80211_mgmt *mgmt;
4277 struct mwifiex_txinfo *tx_info;
4278 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
4279 u8 trans = 1, status_code = 0;
4280 u8 *varptr = NULL;
4281
4282 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
4283 mwifiex_dbg(priv->adapter, ERROR, "Interface role is AP\n");
4284 return -EFAULT;
4285 }
4286
4287 if (priv->wdev.iftype != NL80211_IFTYPE_STATION) {
4288 mwifiex_dbg(priv->adapter, ERROR,
4289 "Interface type is not correct (type %d)\n",
4290 priv->wdev.iftype);
4291 return -EINVAL;
4292 }
4293
4294 if (priv->auth_alg != WLAN_AUTH_SAE &&
4295 (priv->auth_flag & HOST_MLME_AUTH_PENDING)) {
4296 mwifiex_dbg(priv->adapter, ERROR, "Pending auth on going\n");
4297 return -EBUSY;
4298 }
4299
4300 if (!priv->host_mlme_reg) {
4301 priv->host_mlme_reg = true;
4302 priv->mgmt_frame_mask |= HOST_MLME_MGMT_MASK;
4303 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
4304 HostCmd_ACT_GEN_SET, 0,
4305 &priv->mgmt_frame_mask, false);
4306 }
4307
4308 switch (req->auth_type) {
4309 case NL80211_AUTHTYPE_OPEN_SYSTEM:
4310 auth_alg = WLAN_AUTH_OPEN;
4311 break;
4312 case NL80211_AUTHTYPE_SHARED_KEY:
4313 auth_alg = WLAN_AUTH_SHARED_KEY;
4314 break;
4315 case NL80211_AUTHTYPE_FT:
4316 auth_alg = WLAN_AUTH_FT;
4317 break;
4318 case NL80211_AUTHTYPE_NETWORK_EAP:
4319 auth_alg = WLAN_AUTH_LEAP;
4320 break;
4321 case NL80211_AUTHTYPE_SAE:
4322 auth_alg = WLAN_AUTH_SAE;
4323 break;
4324 default:
4325 mwifiex_dbg(priv->adapter, ERROR,
4326 "unsupported auth type=%d\n", req->auth_type);
4327 return -EOPNOTSUPP;
4328 }
4329
4330 if (!priv->auth_flag) {
4331 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET,
4332 req->bss->channel,
4333 AUTH_TX_DEFAULT_WAIT_TIME);
4334
4335 if (!ret) {
4336 priv->roc_cfg.cookie = get_random_u32() | 1;
4337 priv->roc_cfg.chan = *req->bss->channel;
4338 } else {
4339 return -EFAULT;
4340 }
4341 }
4342
4343 priv->sec_info.authentication_mode = auth_alg;
4344
4345 mwifiex_cancel_scan(adapter);
4346
4347 pkt_len = (u16)req->ie_len + req->auth_data_len +
4348 MWIFIEX_MGMT_HEADER_LEN + MWIFIEX_AUTH_BODY_LEN;
4349 if (req->auth_data_len >= 4)
4350 pkt_len -= 4;
4351
4352 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
4353 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
4354 pkt_len + sizeof(pkt_len));
4355 if (!skb) {
4356 mwifiex_dbg(priv->adapter, ERROR,
4357 "allocate skb failed for management frame\n");
4358 return -ENOMEM;
4359 }
4360
4361 tx_info = MWIFIEX_SKB_TXCB(skb);
4362 memset(tx_info, 0, sizeof(*tx_info));
4363 tx_info->bss_num = priv->bss_num;
4364 tx_info->bss_type = priv->bss_type;
4365 tx_info->pkt_len = pkt_len;
4366
4367 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
4368 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
4369 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
4370 memcpy(skb_push(skb, sizeof(tx_control)),
4371 &tx_control, sizeof(tx_control));
4372 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
4373
4374 mgmt = (struct mwifiex_ieee80211_mgmt *)skb_put(skb, pkt_len);
4375 memset(mgmt, 0, pkt_len);
4376 mgmt->frame_control =
4377 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
4378 memcpy(mgmt->da, req->bss->bssid, ETH_ALEN);
4379 memcpy(mgmt->sa, priv->curr_addr, ETH_ALEN);
4380 memcpy(mgmt->bssid, req->bss->bssid, ETH_ALEN);
4381 eth_broadcast_addr(mgmt->addr4);
4382
4383 if (req->auth_data_len >= 4) {
4384 if (req->auth_type == NL80211_AUTHTYPE_SAE) {
4385 __le16 *pos = (__le16 *)req->auth_data;
4386
4387 trans = le16_to_cpu(pos[0]);
4388 status_code = le16_to_cpu(pos[1]);
4389 }
4390 memcpy((u8 *)(&mgmt->auth.variable), req->auth_data + 4,
4391 req->auth_data_len - 4);
4392 varptr = (u8 *)&mgmt->auth.variable +
4393 (req->auth_data_len - 4);
4394 }
4395
4396 mgmt->auth.auth_alg = cpu_to_le16(auth_alg);
4397 mgmt->auth.auth_transaction = cpu_to_le16(trans);
4398 mgmt->auth.status_code = cpu_to_le16(status_code);
4399
4400 if (req->ie && req->ie_len) {
4401 if (!varptr)
4402 varptr = (u8 *)&mgmt->auth.variable;
4403 memcpy((u8 *)varptr, req->ie, req->ie_len);
4404 }
4405
4406 priv->auth_flag = HOST_MLME_AUTH_PENDING;
4407 priv->auth_alg = auth_alg;
4408
4409 skb->priority = WMM_HIGHEST_PRIORITY;
4410 __net_timestamp(skb);
4411
4412 mwifiex_dbg(priv->adapter, MSG,
4413 "auth: send authentication to %pM\n", req->bss->bssid);
4414
4415 mwifiex_queue_tx_pkt(priv, skb);
4416
4417 return 0;
4418 }
4419
4420 static int
mwifiex_cfg80211_associate(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_assoc_request * req)4421 mwifiex_cfg80211_associate(struct wiphy *wiphy, struct net_device *dev,
4422 struct cfg80211_assoc_request *req)
4423 {
4424 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
4425 struct mwifiex_adapter *adapter = priv->adapter;
4426 int ret;
4427 struct cfg80211_ssid req_ssid;
4428 const u8 *ssid_ie;
4429
4430 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
4431 mwifiex_dbg(adapter, ERROR,
4432 "%s: reject infra assoc request in non-STA role\n",
4433 dev->name);
4434 return -EINVAL;
4435 }
4436
4437 if (test_bit(MWIFIEX_SURPRISE_REMOVED, &adapter->work_flags) ||
4438 test_bit(MWIFIEX_IS_CMD_TIMEDOUT, &adapter->work_flags)) {
4439 mwifiex_dbg(adapter, ERROR,
4440 "%s: Ignore association.\t"
4441 "Card removed or FW in bad state\n",
4442 dev->name);
4443 return -EFAULT;
4444 }
4445
4446 if (priv->auth_alg == WLAN_AUTH_SAE)
4447 priv->auth_flag = HOST_MLME_AUTH_DONE;
4448
4449 if (priv->auth_flag && !(priv->auth_flag & HOST_MLME_AUTH_DONE))
4450 return -EBUSY;
4451
4452 if (priv->roc_cfg.cookie) {
4453 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
4454 &priv->roc_cfg.chan, 0);
4455 if (!ret)
4456 memset(&priv->roc_cfg, 0,
4457 sizeof(struct mwifiex_roc_cfg));
4458 else
4459 return -EFAULT;
4460 }
4461
4462 if (!mwifiex_stop_bg_scan(priv))
4463 cfg80211_sched_scan_stopped_locked(priv->wdev.wiphy, 0);
4464
4465 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
4466 rcu_read_lock();
4467 ssid_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
4468
4469 if (!ssid_ie)
4470 goto ssid_err;
4471
4472 req_ssid.ssid_len = ssid_ie[1];
4473 if (req_ssid.ssid_len > IEEE80211_MAX_SSID_LEN) {
4474 mwifiex_dbg(adapter, ERROR, "invalid SSID - aborting\n");
4475 goto ssid_err;
4476 }
4477
4478 memcpy(req_ssid.ssid, ssid_ie + 2, req_ssid.ssid_len);
4479 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
4480 mwifiex_dbg(adapter, ERROR, "invalid SSID - aborting\n");
4481 goto ssid_err;
4482 }
4483 rcu_read_unlock();
4484
4485 /* As this is new association, clear locally stored
4486 * keys and security related flags
4487 */
4488 priv->sec_info.wpa_enabled = false;
4489 priv->sec_info.wpa2_enabled = false;
4490 priv->wep_key_curr_index = 0;
4491 priv->sec_info.encryption_mode = 0;
4492 priv->sec_info.is_authtype_auto = 0;
4493 if (mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1)) {
4494 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
4495 return -EFAULT;
4496 }
4497
4498 if (req->crypto.n_ciphers_pairwise)
4499 priv->sec_info.encryption_mode =
4500 req->crypto.ciphers_pairwise[0];
4501
4502 if (req->crypto.cipher_group)
4503 priv->sec_info.encryption_mode = req->crypto.cipher_group;
4504
4505 if (req->ie)
4506 mwifiex_set_gen_ie(priv, req->ie, req->ie_len);
4507
4508 memcpy(priv->cfg_bssid, req->bss->bssid, ETH_ALEN);
4509
4510 mwifiex_dbg(adapter, MSG,
4511 "assoc: send association to %pM\n", req->bss->bssid);
4512
4513 cfg80211_ref_bss(adapter->wiphy, req->bss);
4514 ret = mwifiex_bss_start(priv, req->bss, &req_ssid);
4515 if (ret) {
4516 priv->auth_flag = 0;
4517 priv->auth_alg = WLAN_AUTH_NONE;
4518 eth_zero_addr(priv->cfg_bssid);
4519 }
4520
4521 if (priv->assoc_rsp_size) {
4522 priv->req_bss = req->bss;
4523 adapter->assoc_resp_received = true;
4524 queue_work(adapter->host_mlme_workqueue,
4525 &adapter->host_mlme_work);
4526 }
4527
4528 cfg80211_put_bss(priv->adapter->wiphy, req->bss);
4529
4530 return 0;
4531
4532 ssid_err:
4533 rcu_read_unlock();
4534 return -EFAULT;
4535 }
4536
4537 static int
mwifiex_cfg80211_deauthenticate(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_deauth_request * req)4538 mwifiex_cfg80211_deauthenticate(struct wiphy *wiphy,
4539 struct net_device *dev,
4540 struct cfg80211_deauth_request *req)
4541 {
4542 return mwifiex_cfg80211_disconnect(wiphy, dev, req->reason_code);
4543 }
4544
4545 static int
mwifiex_cfg80211_disassociate(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_disassoc_request * req)4546 mwifiex_cfg80211_disassociate(struct wiphy *wiphy,
4547 struct net_device *dev,
4548 struct cfg80211_disassoc_request *req)
4549 {
4550 return mwifiex_cfg80211_disconnect(wiphy, dev, req->reason_code);
4551 }
4552
4553 static int
mwifiex_cfg80211_probe_client(struct wiphy * wiphy,struct net_device * dev,const u8 * peer,u64 * cookie)4554 mwifiex_cfg80211_probe_client(struct wiphy *wiphy,
4555 struct net_device *dev, const u8 *peer,
4556 u64 *cookie)
4557 {
4558 /* hostapd looks for NL80211_CMD_PROBE_CLIENT support; otherwise,
4559 * it requires monitor-mode support (which mwifiex doesn't support).
4560 * Provide fake probe_client support to work around this.
4561 */
4562 return -EOPNOTSUPP;
4563 }
4564
4565 /* station cfg80211 operations */
4566 static const struct cfg80211_ops mwifiex_cfg80211_ops = {
4567 .add_virtual_intf = mwifiex_add_virtual_intf,
4568 .del_virtual_intf = mwifiex_del_virtual_intf,
4569 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
4570 .scan = mwifiex_cfg80211_scan,
4571 .connect = mwifiex_cfg80211_connect,
4572 .disconnect = mwifiex_cfg80211_disconnect,
4573 .get_station = mwifiex_cfg80211_get_station,
4574 .dump_station = mwifiex_cfg80211_dump_station,
4575 .dump_survey = mwifiex_cfg80211_dump_survey,
4576 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
4577 .join_ibss = mwifiex_cfg80211_join_ibss,
4578 .leave_ibss = mwifiex_cfg80211_leave_ibss,
4579 .add_key = mwifiex_cfg80211_add_key,
4580 .del_key = mwifiex_cfg80211_del_key,
4581 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
4582 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
4583 .update_mgmt_frame_registrations =
4584 mwifiex_cfg80211_update_mgmt_frame_registrations,
4585 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
4586 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
4587 .set_default_key = mwifiex_cfg80211_set_default_key,
4588 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
4589 .set_tx_power = mwifiex_cfg80211_set_tx_power,
4590 .get_tx_power = mwifiex_cfg80211_get_tx_power,
4591 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
4592 .start_ap = mwifiex_cfg80211_start_ap,
4593 .stop_ap = mwifiex_cfg80211_stop_ap,
4594 .change_beacon = mwifiex_cfg80211_change_beacon,
4595 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
4596 .set_antenna = mwifiex_cfg80211_set_antenna,
4597 .get_antenna = mwifiex_cfg80211_get_antenna,
4598 .del_station = mwifiex_cfg80211_del_station,
4599 .sched_scan_start = mwifiex_cfg80211_sched_scan_start,
4600 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop,
4601 #ifdef CONFIG_PM
4602 .suspend = mwifiex_cfg80211_suspend,
4603 .resume = mwifiex_cfg80211_resume,
4604 .set_wakeup = mwifiex_cfg80211_set_wakeup,
4605 .set_rekey_data = mwifiex_set_rekey_data,
4606 #endif
4607 .set_coalesce = mwifiex_cfg80211_set_coalesce,
4608 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
4609 .tdls_oper = mwifiex_cfg80211_tdls_oper,
4610 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
4611 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
4612 .add_station = mwifiex_cfg80211_add_station,
4613 .change_station = mwifiex_cfg80211_change_station,
4614 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd)
4615 .get_channel = mwifiex_cfg80211_get_channel,
4616 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
4617 .channel_switch = mwifiex_cfg80211_channel_switch,
4618 };
4619
4620 #ifdef CONFIG_PM
4621 static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
4622 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4623 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
4624 WIPHY_WOWLAN_GTK_REKEY_FAILURE,
4625 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4626 .pattern_min_len = 1,
4627 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4628 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4629 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4630 };
4631
4632 static const struct wiphy_wowlan_support mwifiex_wowlan_support_no_gtk = {
4633 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
4634 WIPHY_WOWLAN_NET_DETECT,
4635 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
4636 .pattern_min_len = 1,
4637 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4638 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4639 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS,
4640 };
4641 #endif
4642
mwifiex_is_valid_alpha2(const char * alpha2)4643 static bool mwifiex_is_valid_alpha2(const char *alpha2)
4644 {
4645 if (!alpha2 || strlen(alpha2) != 2)
4646 return false;
4647
4648 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
4649 return true;
4650
4651 return false;
4652 }
4653
4654 static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
4655 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
4656 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
4657 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
4658 .pattern_min_len = 1,
4659 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
4660 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
4661 };
4662
mwifiex_init_channel_scan_gap(struct mwifiex_adapter * adapter)4663 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
4664 {
4665 u32 n_channels_bg, n_channels_a = 0;
4666
4667 n_channels_bg = mwifiex_band_2ghz.n_channels;
4668
4669 if (adapter->config_bands & BAND_A)
4670 n_channels_a = mwifiex_band_5ghz.n_channels;
4671
4672 /* allocate twice the number total channels, since the driver issues an
4673 * additional active scan request for hidden SSIDs on passive channels.
4674 */
4675 adapter->num_in_chan_stats = 2 * (n_channels_bg + n_channels_a);
4676 adapter->chan_stats = vmalloc(array_size(sizeof(*adapter->chan_stats),
4677 adapter->num_in_chan_stats));
4678
4679 if (!adapter->chan_stats)
4680 return -ENOMEM;
4681
4682 return 0;
4683 }
4684
4685 /*
4686 * This function registers the device with CFG802.11 subsystem.
4687 *
4688 * The function creates the wireless device/wiphy, populates it with
4689 * default parameters and handler function pointers, and finally
4690 * registers the device.
4691 */
4692
mwifiex_register_cfg80211(struct mwifiex_adapter * adapter)4693 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
4694 {
4695 int ret;
4696 void *wdev_priv;
4697 struct wiphy *wiphy;
4698 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
4699 const u8 *country_code;
4700 u32 thr, retry;
4701 struct cfg80211_ops *ops;
4702
4703 ops = devm_kmemdup(adapter->dev, &mwifiex_cfg80211_ops,
4704 sizeof(mwifiex_cfg80211_ops), GFP_KERNEL);
4705 if (!ops)
4706 return -ENOMEM;
4707
4708 /* create a new wiphy for use with cfg80211 */
4709 wiphy = wiphy_new(ops, sizeof(struct mwifiex_adapter *));
4710 if (!wiphy) {
4711 mwifiex_dbg(adapter, ERROR,
4712 "%s: creating new wiphy\n", __func__);
4713 return -ENOMEM;
4714 }
4715 if (adapter->host_mlme_enabled) {
4716 ops->auth = mwifiex_cfg80211_authenticate;
4717 ops->assoc = mwifiex_cfg80211_associate;
4718 ops->deauth = mwifiex_cfg80211_deauthenticate;
4719 ops->disassoc = mwifiex_cfg80211_disassociate;
4720 ops->disconnect = NULL;
4721 ops->connect = NULL;
4722 ops->probe_client = mwifiex_cfg80211_probe_client;
4723 }
4724 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4725 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4726 if (adapter->host_mlme_enabled) {
4727 memcpy(adapter->mwifiex_mgmt_stypes,
4728 mwifiex_mgmt_stypes,
4729 NUM_NL80211_IFTYPES *
4730 sizeof(struct ieee80211_txrx_stypes));
4731
4732 adapter->mwifiex_mgmt_stypes[NL80211_IFTYPE_AP].tx = 0xffff;
4733 adapter->mwifiex_mgmt_stypes[NL80211_IFTYPE_AP].rx =
4734 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
4735 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
4736 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
4737 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
4738 BIT(IEEE80211_STYPE_AUTH >> 4) |
4739 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
4740 BIT(IEEE80211_STYPE_ACTION >> 4);
4741 wiphy->mgmt_stypes = adapter->mwifiex_mgmt_stypes;
4742 } else {
4743 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
4744 }
4745 wiphy->max_remain_on_channel_duration = 5000;
4746 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
4747 BIT(NL80211_IFTYPE_P2P_CLIENT) |
4748 BIT(NL80211_IFTYPE_P2P_GO) |
4749 BIT(NL80211_IFTYPE_AP);
4750
4751 wiphy->max_num_akm_suites = CFG80211_MAX_NUM_AKM_SUITES;
4752
4753 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4754 wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
4755
4756 wiphy->bands[NL80211_BAND_2GHZ] = devm_kmemdup(adapter->dev,
4757 &mwifiex_band_2ghz,
4758 sizeof(mwifiex_band_2ghz),
4759 GFP_KERNEL);
4760 if (!wiphy->bands[NL80211_BAND_2GHZ]) {
4761 ret = -ENOMEM;
4762 goto err;
4763 }
4764
4765 if (adapter->config_bands & BAND_A) {
4766 wiphy->bands[NL80211_BAND_5GHZ] = devm_kmemdup(adapter->dev,
4767 &mwifiex_band_5ghz,
4768 sizeof(mwifiex_band_5ghz),
4769 GFP_KERNEL);
4770 if (!wiphy->bands[NL80211_BAND_5GHZ]) {
4771 ret = -ENOMEM;
4772 goto err;
4773 }
4774 } else {
4775 wiphy->bands[NL80211_BAND_5GHZ] = NULL;
4776 }
4777
4778 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
4779 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
4780 else if (adapter->is_hw_11ac_capable)
4781 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
4782 else
4783 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
4784 wiphy->n_iface_combinations = 1;
4785
4786 wiphy->max_ap_assoc_sta = max_t(typeof(wiphy->max_ap_assoc_sta),
4787 adapter->max_sta_conn,
4788 adapter->max_p2p_conn);
4789
4790 /* Initialize cipher suits */
4791 wiphy->cipher_suites = mwifiex_cipher_suites;
4792 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
4793
4794 if (adapter->regd) {
4795 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
4796 REGULATORY_DISABLE_BEACON_HINTS |
4797 REGULATORY_COUNTRY_IE_IGNORE;
4798 wiphy_apply_custom_regulatory(wiphy, adapter->regd);
4799 }
4800
4801 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
4802 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
4803 wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
4804 WIPHY_FLAG_AP_UAPSD |
4805 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
4806 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
4807 WIPHY_FLAG_NETNS_OK |
4808 WIPHY_FLAG_PS_ON_BY_DEFAULT;
4809
4810 if (adapter->host_mlme_enabled)
4811 wiphy->flags |= WIPHY_FLAG_REPORTS_OBSS;
4812 else
4813 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME;
4814
4815 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4816 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
4817 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
4818
4819 #ifdef CONFIG_PM
4820 if (ISSUPP_FIRMWARE_SUPPLICANT(priv->adapter->fw_cap_info))
4821 wiphy->wowlan = &mwifiex_wowlan_support;
4822 else
4823 wiphy->wowlan = &mwifiex_wowlan_support_no_gtk;
4824 #endif
4825
4826 wiphy->coalesce = &mwifiex_coalesce_support;
4827
4828 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
4829 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
4830 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
4831
4832 wiphy->max_sched_scan_reqs = 1;
4833 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
4834 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
4835 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH;
4836
4837 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
4838 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
4839
4840 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER |
4841 NL80211_FEATURE_LOW_PRIORITY_SCAN |
4842 NL80211_FEATURE_NEED_OBSS_SCAN;
4843
4844 if (adapter->host_mlme_enabled)
4845 wiphy->features |= NL80211_FEATURE_SAE;
4846
4847 if (ISSUPP_ADHOC_ENABLED(adapter->fw_cap_info))
4848 wiphy->features |= NL80211_FEATURE_HT_IBSS;
4849
4850 if (ISSUPP_RANDOM_MAC(adapter->fw_cap_info))
4851 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
4852 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
4853 NL80211_FEATURE_ND_RANDOM_MAC_ADDR;
4854
4855 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
4856 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
4857
4858 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
4859 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
4860
4861 /* Reserve space for mwifiex specific private data for BSS */
4862 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
4863
4864 wiphy->reg_notifier = mwifiex_reg_notifier;
4865
4866 /* Set struct mwifiex_adapter pointer in wiphy_priv */
4867 wdev_priv = wiphy_priv(wiphy);
4868 *(unsigned long *)wdev_priv = (unsigned long)adapter;
4869
4870 set_wiphy_dev(wiphy, priv->adapter->dev);
4871
4872 ret = wiphy_register(wiphy);
4873 if (ret < 0) {
4874 mwifiex_dbg(adapter, ERROR,
4875 "%s: wiphy_register failed: %d\n", __func__, ret);
4876 goto err;
4877 }
4878
4879 if (!adapter->regd) {
4880 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
4881 mwifiex_dbg(adapter, INFO,
4882 "driver hint alpha2: %2.2s\n", reg_alpha2);
4883 regulatory_hint(wiphy, reg_alpha2);
4884 } else {
4885 if (adapter->region_code == 0x00) {
4886 mwifiex_dbg(adapter, WARN,
4887 "Ignore world regulatory domain\n");
4888 } else {
4889 wiphy->regulatory_flags |=
4890 REGULATORY_DISABLE_BEACON_HINTS |
4891 REGULATORY_COUNTRY_IE_IGNORE;
4892 country_code =
4893 mwifiex_11d_code_2_region(
4894 adapter->region_code);
4895 if (country_code &&
4896 regulatory_hint(wiphy, country_code))
4897 mwifiex_dbg(priv->adapter, ERROR,
4898 "regulatory_hint() failed\n");
4899 }
4900 }
4901 }
4902
4903 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4904 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
4905 wiphy->frag_threshold = thr;
4906 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4907 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
4908 wiphy->rts_threshold = thr;
4909 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4910 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
4911 wiphy->retry_short = (u8) retry;
4912 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
4913 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
4914 wiphy->retry_long = (u8) retry;
4915
4916 adapter->wiphy = wiphy;
4917 return ret;
4918
4919 err:
4920 wiphy_free(wiphy);
4921
4922 return ret;
4923 }
4924