1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
4 * All rights reserved.
5 */
6
7 #include "cfg80211.h"
8
9 #define GO_NEG_REQ 0x00
10 #define GO_NEG_RSP 0x01
11 #define GO_NEG_CONF 0x02
12 #define P2P_INV_REQ 0x03
13 #define P2P_INV_RSP 0x04
14
15 #define WILC_INVALID_CHANNEL 0
16
17 /* Operation at 2.4 GHz with channels 1-13 */
18 #define WILC_WLAN_OPERATING_CLASS_2_4GHZ 0x51
19
20 static const struct ieee80211_txrx_stypes
21 wilc_wfi_cfg80211_mgmt_types[NUM_NL80211_IFTYPES] = {
22 [NL80211_IFTYPE_STATION] = {
23 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
24 BIT(IEEE80211_STYPE_AUTH >> 4),
25 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
26 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
27 BIT(IEEE80211_STYPE_AUTH >> 4)
28 },
29 [NL80211_IFTYPE_AP] = {
30 .tx = 0xffff,
31 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
32 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
33 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
34 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
35 BIT(IEEE80211_STYPE_AUTH >> 4) |
36 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
37 BIT(IEEE80211_STYPE_ACTION >> 4)
38 },
39 [NL80211_IFTYPE_P2P_CLIENT] = {
40 .tx = 0xffff,
41 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
42 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
43 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
44 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
45 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
46 BIT(IEEE80211_STYPE_AUTH >> 4) |
47 BIT(IEEE80211_STYPE_DEAUTH >> 4)
48 }
49 };
50
51 #ifdef CONFIG_PM
52 static const struct wiphy_wowlan_support wowlan_support = {
53 .flags = WIPHY_WOWLAN_ANY
54 };
55 #endif
56
57 struct wilc_p2p_mgmt_data {
58 int size;
59 u8 *buff;
60 };
61
62 struct wilc_p2p_pub_act_frame {
63 u8 category;
64 u8 action;
65 u8 oui[3];
66 u8 oui_type;
67 u8 oui_subtype;
68 u8 dialog_token;
69 u8 elem[];
70 } __packed;
71
72 struct wilc_vendor_specific_ie {
73 u8 tag_number;
74 u8 tag_len;
75 u8 oui[3];
76 u8 oui_type;
77 u8 attr[];
78 } __packed;
79
80 struct wilc_attr_entry {
81 u8 attr_type;
82 __le16 attr_len;
83 u8 val[];
84 } __packed;
85
86 struct wilc_attr_oper_ch {
87 u8 attr_type;
88 __le16 attr_len;
89 u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
90 u8 op_class;
91 u8 op_channel;
92 } __packed;
93
94 struct wilc_attr_ch_list {
95 u8 attr_type;
96 __le16 attr_len;
97 u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
98 u8 elem[];
99 } __packed;
100
101 struct wilc_ch_list_elem {
102 u8 op_class;
103 u8 no_of_channels;
104 u8 ch_list[];
105 } __packed;
106
cfg_scan_result(enum scan_event scan_event,struct wilc_rcvd_net_info * info,struct wilc_priv * priv)107 static void cfg_scan_result(enum scan_event scan_event,
108 struct wilc_rcvd_net_info *info,
109 struct wilc_priv *priv)
110 {
111 if (!priv->cfg_scanning)
112 return;
113
114 if (scan_event == SCAN_EVENT_NETWORK_FOUND) {
115 s32 freq;
116 struct ieee80211_channel *channel;
117 struct cfg80211_bss *bss;
118 struct wiphy *wiphy = priv->dev->ieee80211_ptr->wiphy;
119
120 if (!wiphy || !info)
121 return;
122
123 freq = ieee80211_channel_to_frequency((s32)info->ch,
124 NL80211_BAND_2GHZ);
125 channel = ieee80211_get_channel(wiphy, freq);
126 if (!channel)
127 return;
128
129 bss = cfg80211_inform_bss_frame(wiphy, channel, info->mgmt,
130 info->frame_len,
131 (s32)info->rssi * 100,
132 GFP_KERNEL);
133 cfg80211_put_bss(wiphy, bss);
134 } else if (scan_event == SCAN_EVENT_DONE) {
135 mutex_lock(&priv->scan_req_lock);
136
137 if (priv->scan_req) {
138 struct cfg80211_scan_info info = {
139 .aborted = false,
140 };
141
142 cfg80211_scan_done(priv->scan_req, &info);
143 priv->cfg_scanning = false;
144 priv->scan_req = NULL;
145 }
146 mutex_unlock(&priv->scan_req_lock);
147 } else if (scan_event == SCAN_EVENT_ABORTED) {
148 mutex_lock(&priv->scan_req_lock);
149
150 if (priv->scan_req) {
151 struct cfg80211_scan_info info = {
152 .aborted = false,
153 };
154
155 cfg80211_scan_done(priv->scan_req, &info);
156 priv->cfg_scanning = false;
157 priv->scan_req = NULL;
158 }
159 mutex_unlock(&priv->scan_req_lock);
160 }
161 }
162
cfg_connect_result(enum conn_event conn_disconn_evt,u8 mac_status,struct wilc_priv * priv)163 static void cfg_connect_result(enum conn_event conn_disconn_evt, u8 mac_status,
164 struct wilc_priv *priv)
165 {
166 struct net_device *dev = priv->dev;
167 struct wilc_vif *vif = netdev_priv(dev);
168 struct wilc *wl = vif->wilc;
169 struct host_if_drv *wfi_drv = priv->hif_drv;
170 struct wilc_conn_info *conn_info = &wfi_drv->conn_info;
171 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
172
173 vif->connecting = false;
174
175 if (conn_disconn_evt == CONN_DISCONN_EVENT_CONN_RESP) {
176 u16 connect_status = conn_info->status;
177
178 if (mac_status == WILC_MAC_STATUS_DISCONNECTED &&
179 connect_status == WLAN_STATUS_SUCCESS) {
180 connect_status = WLAN_STATUS_UNSPECIFIED_FAILURE;
181 wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
182
183 if (vif->iftype != WILC_CLIENT_MODE)
184 wl->sta_ch = WILC_INVALID_CHANNEL;
185
186 netdev_err(dev, "Unspecified failure\n");
187 }
188
189 if (connect_status == WLAN_STATUS_SUCCESS)
190 memcpy(priv->associated_bss, conn_info->bssid,
191 ETH_ALEN);
192
193 cfg80211_ref_bss(wiphy, vif->bss);
194 cfg80211_connect_bss(dev, conn_info->bssid, vif->bss,
195 conn_info->req_ies,
196 conn_info->req_ies_len,
197 conn_info->resp_ies,
198 conn_info->resp_ies_len,
199 connect_status, GFP_KERNEL,
200 NL80211_TIMEOUT_UNSPECIFIED);
201
202 vif->bss = NULL;
203 } else if (conn_disconn_evt == CONN_DISCONN_EVENT_DISCONN_NOTIF) {
204 u16 reason = 0;
205
206 eth_zero_addr(priv->associated_bss);
207 wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
208
209 if (vif->iftype != WILC_CLIENT_MODE) {
210 wl->sta_ch = WILC_INVALID_CHANNEL;
211 } else {
212 if (wfi_drv->ifc_up)
213 reason = 3;
214 else
215 reason = 1;
216 }
217
218 cfg80211_disconnected(dev, reason, NULL, 0, false, GFP_KERNEL);
219 }
220 }
221
wilc_get_wl_to_vif(struct wilc * wl)222 struct wilc_vif *wilc_get_wl_to_vif(struct wilc *wl)
223 {
224 struct wilc_vif *vif;
225
226 vif = list_first_or_null_rcu(&wl->vif_list, typeof(*vif), list);
227 if (!vif)
228 return ERR_PTR(-EINVAL);
229
230 return vif;
231 }
232
set_channel(struct wiphy * wiphy,struct cfg80211_chan_def * chandef)233 static int set_channel(struct wiphy *wiphy,
234 struct cfg80211_chan_def *chandef)
235 {
236 struct wilc *wl = wiphy_priv(wiphy);
237 struct wilc_vif *vif;
238 u32 channelnum;
239 int result;
240 int srcu_idx;
241
242 srcu_idx = srcu_read_lock(&wl->srcu);
243 vif = wilc_get_wl_to_vif(wl);
244 if (IS_ERR(vif)) {
245 srcu_read_unlock(&wl->srcu, srcu_idx);
246 return PTR_ERR(vif);
247 }
248
249 channelnum = ieee80211_frequency_to_channel(chandef->chan->center_freq);
250
251 wl->op_ch = channelnum;
252 result = wilc_set_mac_chnl_num(vif, channelnum);
253 if (result)
254 netdev_err(vif->ndev, "Error in setting channel\n");
255
256 srcu_read_unlock(&wl->srcu, srcu_idx);
257 return result;
258 }
259
scan(struct wiphy * wiphy,struct cfg80211_scan_request * request)260 static int scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
261 {
262 struct wilc_vif *vif = netdev_priv(request->wdev->netdev);
263 struct wilc_priv *priv = &vif->priv;
264 u32 i;
265 int ret = 0;
266 u8 scan_ch_list[WILC_MAX_NUM_SCANNED_CH];
267 u8 scan_type;
268
269 if (request->n_channels > WILC_MAX_NUM_SCANNED_CH) {
270 netdev_err(vif->ndev, "Requested scanned channels over\n");
271 return -EINVAL;
272 }
273
274 priv->scan_req = request;
275 priv->cfg_scanning = true;
276 for (i = 0; i < request->n_channels; i++) {
277 u16 freq = request->channels[i]->center_freq;
278
279 scan_ch_list[i] = ieee80211_frequency_to_channel(freq);
280 }
281
282 if (request->n_ssids)
283 scan_type = WILC_FW_ACTIVE_SCAN;
284 else
285 scan_type = WILC_FW_PASSIVE_SCAN;
286
287 ret = wilc_scan(vif, WILC_FW_USER_SCAN, scan_type,
288 scan_ch_list, cfg_scan_result, request);
289
290 if (ret) {
291 priv->scan_req = NULL;
292 priv->cfg_scanning = false;
293 }
294
295 return ret;
296 }
297
connect(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_connect_params * sme)298 static int connect(struct wiphy *wiphy, struct net_device *dev,
299 struct cfg80211_connect_params *sme)
300 {
301 struct wilc_vif *vif = netdev_priv(dev);
302 struct wilc_priv *priv = &vif->priv;
303 struct host_if_drv *wfi_drv = priv->hif_drv;
304 int ret;
305 u32 i;
306 u8 security = WILC_FW_SEC_NO;
307 enum mfptype mfp_type = WILC_FW_MFP_NONE;
308 enum authtype auth_type = WILC_FW_AUTH_ANY;
309 u32 cipher_group;
310 struct cfg80211_bss *bss;
311 void *join_params;
312 u8 ch;
313
314 vif->connecting = true;
315
316 cipher_group = sme->crypto.cipher_group;
317 if (cipher_group != 0) {
318 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) {
319 if (cipher_group == WLAN_CIPHER_SUITE_TKIP)
320 security = WILC_FW_SEC_WPA2_TKIP;
321 else
322 security = WILC_FW_SEC_WPA2_AES;
323 } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) {
324 if (cipher_group == WLAN_CIPHER_SUITE_TKIP)
325 security = WILC_FW_SEC_WPA_TKIP;
326 else
327 security = WILC_FW_SEC_WPA_AES;
328 } else {
329 ret = -ENOTSUPP;
330 netdev_err(dev, "%s: Unsupported cipher\n",
331 __func__);
332 goto out_error;
333 }
334 }
335
336 if ((sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) ||
337 (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)) {
338 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) {
339 u32 ciphers_pairwise = sme->crypto.ciphers_pairwise[i];
340
341 if (ciphers_pairwise == WLAN_CIPHER_SUITE_TKIP)
342 security |= WILC_FW_TKIP;
343 else
344 security |= WILC_FW_AES;
345 }
346 }
347
348 switch (sme->auth_type) {
349 case NL80211_AUTHTYPE_OPEN_SYSTEM:
350 auth_type = WILC_FW_AUTH_OPEN_SYSTEM;
351 break;
352
353 case NL80211_AUTHTYPE_SAE:
354 auth_type = WILC_FW_AUTH_SAE;
355 if (sme->ssid_len) {
356 memcpy(vif->auth.ssid.ssid, sme->ssid, sme->ssid_len);
357 vif->auth.ssid.ssid_len = sme->ssid_len;
358 }
359 vif->auth.key_mgmt_suite = sme->crypto.akm_suites[0];
360 ether_addr_copy(vif->auth.bssid, sme->bssid);
361 break;
362
363 default:
364 break;
365 }
366
367 if (sme->crypto.n_akm_suites) {
368 if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_8021X)
369 auth_type = WILC_FW_AUTH_IEEE8021;
370 else if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_PSK_SHA256)
371 auth_type = WILC_FW_AUTH_OPEN_SYSTEM_SHA256;
372 else if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_8021X_SHA256)
373 auth_type = WILC_FW_AUTH_IEE8021X_SHA256;
374 }
375
376 if (wfi_drv->usr_scan_req.scan_result) {
377 netdev_err(vif->ndev, "%s: Scan in progress\n", __func__);
378 ret = -EBUSY;
379 goto out_error;
380 }
381
382 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, sme->ssid,
383 sme->ssid_len, IEEE80211_BSS_TYPE_ANY,
384 IEEE80211_PRIVACY(sme->privacy));
385 if (!bss) {
386 ret = -EINVAL;
387 goto out_error;
388 }
389
390 if (ether_addr_equal_unaligned(vif->bssid, bss->bssid)) {
391 ret = -EALREADY;
392 goto out_put_bss;
393 }
394
395 join_params = wilc_parse_join_bss_param(bss, &sme->crypto);
396 if (!join_params) {
397 netdev_err(dev, "%s: failed to construct join param\n",
398 __func__);
399 ret = -EINVAL;
400 goto out_put_bss;
401 }
402
403 ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
404 vif->wilc->op_ch = ch;
405 if (vif->iftype != WILC_CLIENT_MODE)
406 vif->wilc->sta_ch = ch;
407
408 wilc_wlan_set_bssid(dev, bss->bssid, WILC_STATION_MODE);
409
410 wfi_drv->conn_info.security = security;
411 wfi_drv->conn_info.auth_type = auth_type;
412 wfi_drv->conn_info.conn_result = cfg_connect_result;
413 wfi_drv->conn_info.priv = priv;
414 wfi_drv->conn_info.param = join_params;
415
416 if (sme->mfp == NL80211_MFP_OPTIONAL)
417 mfp_type = WILC_FW_MFP_OPTIONAL;
418 else if (sme->mfp == NL80211_MFP_REQUIRED)
419 mfp_type = WILC_FW_MFP_REQUIRED;
420
421 wfi_drv->conn_info.mfp_type = mfp_type;
422
423 ret = wilc_set_join_req(vif, bss->bssid, sme->ie, sme->ie_len);
424 if (ret) {
425 netdev_err(dev, "wilc_set_join_req(): Error\n");
426 ret = -ENOENT;
427 if (vif->iftype != WILC_CLIENT_MODE)
428 vif->wilc->sta_ch = WILC_INVALID_CHANNEL;
429 wilc_wlan_set_bssid(dev, NULL, WILC_STATION_MODE);
430 wfi_drv->conn_info.conn_result = NULL;
431 kfree(join_params);
432 goto out_put_bss;
433 }
434 kfree(join_params);
435 vif->bss = bss;
436 cfg80211_put_bss(wiphy, bss);
437 return 0;
438
439 out_put_bss:
440 cfg80211_put_bss(wiphy, bss);
441
442 out_error:
443 vif->connecting = false;
444 return ret;
445 }
446
disconnect(struct wiphy * wiphy,struct net_device * dev,u16 reason_code)447 static int disconnect(struct wiphy *wiphy, struct net_device *dev,
448 u16 reason_code)
449 {
450 struct wilc_vif *vif = netdev_priv(dev);
451 struct wilc_priv *priv = &vif->priv;
452 struct wilc *wilc = vif->wilc;
453 int ret;
454
455 vif->connecting = false;
456
457 if (!wilc)
458 return -EIO;
459
460 if (wilc->close) {
461 /* already disconnected done */
462 cfg80211_disconnected(dev, 0, NULL, 0, true, GFP_KERNEL);
463 return 0;
464 }
465
466 if (vif->iftype != WILC_CLIENT_MODE)
467 wilc->sta_ch = WILC_INVALID_CHANNEL;
468 wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
469
470 priv->hif_drv->p2p_timeout = 0;
471
472 ret = wilc_disconnect(vif);
473 if (ret != 0) {
474 netdev_err(priv->dev, "Error in disconnecting\n");
475 ret = -EINVAL;
476 }
477
478 vif->bss = NULL;
479
480 return ret;
481 }
482
wilc_wfi_cfg_allocate_wpa_entry(struct wilc_priv * priv,u8 idx)483 static int wilc_wfi_cfg_allocate_wpa_entry(struct wilc_priv *priv, u8 idx)
484 {
485 if (!priv->wilc_gtk[idx]) {
486 priv->wilc_gtk[idx] = kzalloc(sizeof(*priv->wilc_gtk[idx]),
487 GFP_KERNEL);
488 if (!priv->wilc_gtk[idx])
489 return -ENOMEM;
490 }
491
492 if (!priv->wilc_ptk[idx]) {
493 priv->wilc_ptk[idx] = kzalloc(sizeof(*priv->wilc_ptk[idx]),
494 GFP_KERNEL);
495 if (!priv->wilc_ptk[idx])
496 return -ENOMEM;
497 }
498
499 return 0;
500 }
501
wilc_wfi_cfg_allocate_wpa_igtk_entry(struct wilc_priv * priv,u8 idx)502 static int wilc_wfi_cfg_allocate_wpa_igtk_entry(struct wilc_priv *priv, u8 idx)
503 {
504 idx -= 4;
505 if (!priv->wilc_igtk[idx]) {
506 priv->wilc_igtk[idx] = kzalloc(sizeof(*priv->wilc_igtk[idx]),
507 GFP_KERNEL);
508 if (!priv->wilc_igtk[idx])
509 return -ENOMEM;
510 }
511 return 0;
512 }
513
wilc_wfi_cfg_copy_wpa_info(struct wilc_wfi_key * key_info,struct key_params * params)514 static int wilc_wfi_cfg_copy_wpa_info(struct wilc_wfi_key *key_info,
515 struct key_params *params)
516 {
517 kfree(key_info->key);
518
519 key_info->key = kmemdup(params->key, params->key_len, GFP_KERNEL);
520 if (!key_info->key)
521 return -ENOMEM;
522
523 kfree(key_info->seq);
524
525 if (params->seq_len > 0) {
526 key_info->seq = kmemdup(params->seq, params->seq_len,
527 GFP_KERNEL);
528 if (!key_info->seq)
529 return -ENOMEM;
530 }
531
532 key_info->cipher = params->cipher;
533 key_info->key_len = params->key_len;
534 key_info->seq_len = params->seq_len;
535
536 return 0;
537 }
538
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)539 static int add_key(struct wiphy *wiphy, struct net_device *netdev, int link_id,
540 u8 key_index, bool pairwise, const u8 *mac_addr,
541 struct key_params *params)
542
543 {
544 int ret = 0, keylen = params->key_len;
545 const u8 *rx_mic = NULL;
546 const u8 *tx_mic = NULL;
547 u8 mode = WILC_FW_SEC_NO;
548 u8 op_mode;
549 struct wilc_vif *vif = netdev_priv(netdev);
550 struct wilc_priv *priv = &vif->priv;
551 struct wilc_wfi_key *key;
552
553 switch (params->cipher) {
554 case WLAN_CIPHER_SUITE_TKIP:
555 case WLAN_CIPHER_SUITE_CCMP:
556 if (priv->wdev.iftype == NL80211_IFTYPE_AP ||
557 priv->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
558 struct wilc_wfi_key *key;
559
560 ret = wilc_wfi_cfg_allocate_wpa_entry(priv, key_index);
561 if (ret)
562 return -ENOMEM;
563
564 if (params->key_len > 16 &&
565 params->cipher == WLAN_CIPHER_SUITE_TKIP) {
566 tx_mic = params->key + 24;
567 rx_mic = params->key + 16;
568 keylen = params->key_len - 16;
569 }
570
571 if (!pairwise) {
572 if (params->cipher == WLAN_CIPHER_SUITE_TKIP)
573 mode = WILC_FW_SEC_WPA_TKIP;
574 else
575 mode = WILC_FW_SEC_WPA2_AES;
576
577 priv->wilc_groupkey = mode;
578
579 key = priv->wilc_gtk[key_index];
580 } else {
581 if (params->cipher == WLAN_CIPHER_SUITE_TKIP)
582 mode = WILC_FW_SEC_WPA_TKIP;
583 else
584 mode = priv->wilc_groupkey | WILC_FW_AES;
585
586 key = priv->wilc_ptk[key_index];
587 }
588 ret = wilc_wfi_cfg_copy_wpa_info(key, params);
589 if (ret)
590 return -ENOMEM;
591
592 op_mode = WILC_AP_MODE;
593 } else {
594 if (params->key_len > 16 &&
595 params->cipher == WLAN_CIPHER_SUITE_TKIP) {
596 rx_mic = params->key + 24;
597 tx_mic = params->key + 16;
598 keylen = params->key_len - 16;
599 }
600
601 op_mode = WILC_STATION_MODE;
602 }
603
604 if (!pairwise)
605 ret = wilc_add_rx_gtk(vif, params->key, keylen,
606 key_index, params->seq_len,
607 params->seq, rx_mic, tx_mic,
608 op_mode, mode);
609 else
610 ret = wilc_add_ptk(vif, params->key, keylen, mac_addr,
611 rx_mic, tx_mic, op_mode, mode,
612 key_index);
613
614 break;
615 case WLAN_CIPHER_SUITE_AES_CMAC:
616 ret = wilc_wfi_cfg_allocate_wpa_igtk_entry(priv, key_index);
617 if (ret)
618 return -ENOMEM;
619
620 key = priv->wilc_igtk[key_index - 4];
621 ret = wilc_wfi_cfg_copy_wpa_info(key, params);
622 if (ret)
623 return -ENOMEM;
624
625 if (priv->wdev.iftype == NL80211_IFTYPE_AP ||
626 priv->wdev.iftype == NL80211_IFTYPE_P2P_GO)
627 op_mode = WILC_AP_MODE;
628 else
629 op_mode = WILC_STATION_MODE;
630
631 ret = wilc_add_igtk(vif, params->key, keylen, params->seq,
632 params->seq_len, mac_addr, op_mode,
633 key_index);
634 break;
635
636 default:
637 netdev_err(netdev, "%s: Unsupported cipher\n", __func__);
638 ret = -ENOTSUPP;
639 }
640
641 return ret;
642 }
643
del_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr)644 static int del_key(struct wiphy *wiphy, struct net_device *netdev, int link_id,
645 u8 key_index,
646 bool pairwise,
647 const u8 *mac_addr)
648 {
649 struct wilc_vif *vif = netdev_priv(netdev);
650 struct wilc_priv *priv = &vif->priv;
651
652 if (!pairwise && (key_index == 4 || key_index == 5)) {
653 key_index -= 4;
654 if (priv->wilc_igtk[key_index]) {
655 kfree(priv->wilc_igtk[key_index]->key);
656 priv->wilc_igtk[key_index]->key = NULL;
657 kfree(priv->wilc_igtk[key_index]->seq);
658 priv->wilc_igtk[key_index]->seq = NULL;
659 kfree(priv->wilc_igtk[key_index]);
660 priv->wilc_igtk[key_index] = NULL;
661 }
662 } else {
663 if (priv->wilc_gtk[key_index]) {
664 kfree(priv->wilc_gtk[key_index]->key);
665 priv->wilc_gtk[key_index]->key = NULL;
666 kfree(priv->wilc_gtk[key_index]->seq);
667 priv->wilc_gtk[key_index]->seq = NULL;
668
669 kfree(priv->wilc_gtk[key_index]);
670 priv->wilc_gtk[key_index] = NULL;
671 }
672 if (priv->wilc_ptk[key_index]) {
673 kfree(priv->wilc_ptk[key_index]->key);
674 priv->wilc_ptk[key_index]->key = NULL;
675 kfree(priv->wilc_ptk[key_index]->seq);
676 priv->wilc_ptk[key_index]->seq = NULL;
677 kfree(priv->wilc_ptk[key_index]);
678 priv->wilc_ptk[key_index] = NULL;
679 }
680 }
681
682 return 0;
683 }
684
get_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool pairwise,const u8 * mac_addr,void * cookie,void (* callback)(void * cookie,struct key_params *))685 static int get_key(struct wiphy *wiphy, struct net_device *netdev, int link_id,
686 u8 key_index, bool pairwise, const u8 *mac_addr,
687 void *cookie,
688 void (*callback)(void *cookie, struct key_params *))
689 {
690 struct wilc_vif *vif = netdev_priv(netdev);
691 struct wilc_priv *priv = &vif->priv;
692 struct key_params key_params;
693
694 if (!pairwise) {
695 if (key_index == 4 || key_index == 5) {
696 key_index -= 4;
697 key_params.key = priv->wilc_igtk[key_index]->key;
698 key_params.cipher = priv->wilc_igtk[key_index]->cipher;
699 key_params.key_len = priv->wilc_igtk[key_index]->key_len;
700 key_params.seq = priv->wilc_igtk[key_index]->seq;
701 key_params.seq_len = priv->wilc_igtk[key_index]->seq_len;
702 } else {
703 key_params.key = priv->wilc_gtk[key_index]->key;
704 key_params.cipher = priv->wilc_gtk[key_index]->cipher;
705 key_params.key_len = priv->wilc_gtk[key_index]->key_len;
706 key_params.seq = priv->wilc_gtk[key_index]->seq;
707 key_params.seq_len = priv->wilc_gtk[key_index]->seq_len;
708 }
709 } else {
710 key_params.key = priv->wilc_ptk[key_index]->key;
711 key_params.cipher = priv->wilc_ptk[key_index]->cipher;
712 key_params.key_len = priv->wilc_ptk[key_index]->key_len;
713 key_params.seq = priv->wilc_ptk[key_index]->seq;
714 key_params.seq_len = priv->wilc_ptk[key_index]->seq_len;
715 }
716
717 callback(cookie, &key_params);
718
719 return 0;
720 }
721
722 /* wiphy_new_nm() will WARNON if not present */
set_default_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index,bool unicast,bool multicast)723 static int set_default_key(struct wiphy *wiphy, struct net_device *netdev,
724 int link_id, u8 key_index, bool unicast,
725 bool multicast)
726 {
727 return 0;
728 }
729
set_default_mgmt_key(struct wiphy * wiphy,struct net_device * netdev,int link_id,u8 key_index)730 static int set_default_mgmt_key(struct wiphy *wiphy, struct net_device *netdev,
731 int link_id, u8 key_index)
732 {
733 struct wilc_vif *vif = netdev_priv(netdev);
734
735 return wilc_set_default_mgmt_key_index(vif, key_index);
736 }
737
get_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_info * sinfo)738 static int get_station(struct wiphy *wiphy, struct net_device *dev,
739 const u8 *mac, struct station_info *sinfo)
740 {
741 struct wilc_vif *vif = netdev_priv(dev);
742 struct wilc_priv *priv = &vif->priv;
743 struct wilc *wilc = vif->wilc;
744 u32 i = 0;
745 u32 associatedsta = ~0;
746 u32 inactive_time = 0;
747
748 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
749 for (i = 0; i < NUM_STA_ASSOCIATED; i++) {
750 if (!(memcmp(mac,
751 priv->assoc_stainfo.sta_associated_bss[i],
752 ETH_ALEN))) {
753 associatedsta = i;
754 break;
755 }
756 }
757
758 if (associatedsta == ~0) {
759 netdev_err(dev, "sta required is not associated\n");
760 return -ENOENT;
761 }
762
763 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME);
764
765 wilc_get_inactive_time(vif, mac, &inactive_time);
766 sinfo->inactive_time = 1000 * inactive_time;
767 } else if (vif->iftype == WILC_STATION_MODE) {
768 struct rf_info stats;
769
770 if (!wilc->initialized)
771 return -EBUSY;
772
773 wilc_get_statistics(vif, &stats);
774
775 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL) |
776 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
777 BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
778 BIT_ULL(NL80211_STA_INFO_TX_FAILED) |
779 BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
780
781 sinfo->signal = stats.rssi;
782 sinfo->rx_packets = stats.rx_cnt;
783 sinfo->tx_packets = stats.tx_cnt + stats.tx_fail_cnt;
784 sinfo->tx_failed = stats.tx_fail_cnt;
785 sinfo->txrate.legacy = stats.link_speed * 10;
786
787 if (stats.link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
788 stats.link_speed != DEFAULT_LINK_SPEED)
789 wilc_enable_tcp_ack_filter(vif, true);
790 else if (stats.link_speed != DEFAULT_LINK_SPEED)
791 wilc_enable_tcp_ack_filter(vif, false);
792 }
793 return 0;
794 }
795
change_bss(struct wiphy * wiphy,struct net_device * dev,struct bss_parameters * params)796 static int change_bss(struct wiphy *wiphy, struct net_device *dev,
797 struct bss_parameters *params)
798 {
799 return 0;
800 }
801
set_wiphy_params(struct wiphy * wiphy,u32 changed)802 static int set_wiphy_params(struct wiphy *wiphy, u32 changed)
803 {
804 int ret = -EINVAL;
805 struct cfg_param_attr cfg_param_val;
806 struct wilc *wl = wiphy_priv(wiphy);
807 struct wilc_vif *vif;
808 struct wilc_priv *priv;
809 int srcu_idx;
810
811 srcu_idx = srcu_read_lock(&wl->srcu);
812 vif = wilc_get_wl_to_vif(wl);
813 if (IS_ERR(vif))
814 goto out;
815
816 priv = &vif->priv;
817 cfg_param_val.flag = 0;
818
819 if (changed & WIPHY_PARAM_RETRY_SHORT) {
820 netdev_dbg(vif->ndev,
821 "Setting WIPHY_PARAM_RETRY_SHORT %d\n",
822 wiphy->retry_short);
823 cfg_param_val.flag |= WILC_CFG_PARAM_RETRY_SHORT;
824 cfg_param_val.short_retry_limit = wiphy->retry_short;
825 }
826 if (changed & WIPHY_PARAM_RETRY_LONG) {
827 netdev_dbg(vif->ndev,
828 "Setting WIPHY_PARAM_RETRY_LONG %d\n",
829 wiphy->retry_long);
830 cfg_param_val.flag |= WILC_CFG_PARAM_RETRY_LONG;
831 cfg_param_val.long_retry_limit = wiphy->retry_long;
832 }
833 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
834 if (wiphy->frag_threshold > 255 &&
835 wiphy->frag_threshold < 7937) {
836 netdev_dbg(vif->ndev,
837 "Setting WIPHY_PARAM_FRAG_THRESHOLD %d\n",
838 wiphy->frag_threshold);
839 cfg_param_val.flag |= WILC_CFG_PARAM_FRAG_THRESHOLD;
840 cfg_param_val.frag_threshold = wiphy->frag_threshold;
841 } else {
842 netdev_err(vif->ndev,
843 "Fragmentation threshold out of range\n");
844 goto out;
845 }
846 }
847
848 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
849 if (wiphy->rts_threshold > 255) {
850 netdev_dbg(vif->ndev,
851 "Setting WIPHY_PARAM_RTS_THRESHOLD %d\n",
852 wiphy->rts_threshold);
853 cfg_param_val.flag |= WILC_CFG_PARAM_RTS_THRESHOLD;
854 cfg_param_val.rts_threshold = wiphy->rts_threshold;
855 } else {
856 netdev_err(vif->ndev, "RTS threshold out of range\n");
857 goto out;
858 }
859 }
860
861 ret = wilc_hif_set_cfg(vif, &cfg_param_val);
862 if (ret)
863 netdev_err(priv->dev, "Error in setting WIPHY PARAMS\n");
864
865 out:
866 srcu_read_unlock(&wl->srcu, srcu_idx);
867 return ret;
868 }
869
set_pmksa(struct wiphy * wiphy,struct net_device * netdev,struct cfg80211_pmksa * pmksa)870 static int set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
871 struct cfg80211_pmksa *pmksa)
872 {
873 struct wilc_vif *vif = netdev_priv(netdev);
874 struct wilc_priv *priv = &vif->priv;
875 u32 i;
876 int ret = 0;
877 u8 flag = 0;
878
879 for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
880 if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
881 ETH_ALEN)) {
882 flag = PMKID_FOUND;
883 break;
884 }
885 }
886 if (i < WILC_MAX_NUM_PMKIDS) {
887 memcpy(priv->pmkid_list.pmkidlist[i].bssid, pmksa->bssid,
888 ETH_ALEN);
889 memcpy(priv->pmkid_list.pmkidlist[i].pmkid, pmksa->pmkid,
890 WLAN_PMKID_LEN);
891 if (!(flag == PMKID_FOUND))
892 priv->pmkid_list.numpmkid++;
893 } else {
894 netdev_err(netdev, "Invalid PMKID index\n");
895 ret = -EINVAL;
896 }
897
898 if (!ret)
899 ret = wilc_set_pmkid_info(vif, &priv->pmkid_list);
900
901 return ret;
902 }
903
del_pmksa(struct wiphy * wiphy,struct net_device * netdev,struct cfg80211_pmksa * pmksa)904 static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
905 struct cfg80211_pmksa *pmksa)
906 {
907 u32 i;
908 struct wilc_vif *vif = netdev_priv(netdev);
909 struct wilc_priv *priv = &vif->priv;
910
911 for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
912 if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
913 ETH_ALEN)) {
914 memset(&priv->pmkid_list.pmkidlist[i], 0,
915 sizeof(struct wilc_pmkid));
916 break;
917 }
918 }
919
920 if (i == priv->pmkid_list.numpmkid)
921 return -EINVAL;
922
923 for (; i < (priv->pmkid_list.numpmkid - 1); i++) {
924 memcpy(priv->pmkid_list.pmkidlist[i].bssid,
925 priv->pmkid_list.pmkidlist[i + 1].bssid,
926 ETH_ALEN);
927 memcpy(priv->pmkid_list.pmkidlist[i].pmkid,
928 priv->pmkid_list.pmkidlist[i + 1].pmkid,
929 WLAN_PMKID_LEN);
930 }
931 priv->pmkid_list.numpmkid--;
932
933 return 0;
934 }
935
flush_pmksa(struct wiphy * wiphy,struct net_device * netdev)936 static int flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
937 {
938 struct wilc_vif *vif = netdev_priv(netdev);
939
940 memset(&vif->priv.pmkid_list, 0, sizeof(struct wilc_pmkid_attr));
941
942 return 0;
943 }
944
wilc_wfi_cfg_parse_ch_attr(u8 * buf,u32 len,u8 sta_ch)945 static inline void wilc_wfi_cfg_parse_ch_attr(u8 *buf, u32 len, u8 sta_ch)
946 {
947 struct wilc_attr_entry *e;
948 struct wilc_attr_ch_list *ch_list;
949 struct wilc_attr_oper_ch *op_ch;
950 u32 index = 0;
951 u8 ch_list_idx = 0;
952 u8 op_ch_idx = 0;
953
954 if (sta_ch == WILC_INVALID_CHANNEL)
955 return;
956
957 while (index + sizeof(*e) <= len) {
958 u16 attr_size;
959
960 e = (struct wilc_attr_entry *)&buf[index];
961 attr_size = le16_to_cpu(e->attr_len);
962
963 if (index + sizeof(*e) + attr_size > len)
964 return;
965
966 if (e->attr_type == IEEE80211_P2P_ATTR_CHANNEL_LIST &&
967 attr_size >= (sizeof(struct wilc_attr_ch_list) - sizeof(*e)))
968 ch_list_idx = index;
969 else if (e->attr_type == IEEE80211_P2P_ATTR_OPER_CHANNEL &&
970 attr_size == (sizeof(struct wilc_attr_oper_ch) - sizeof(*e)))
971 op_ch_idx = index;
972
973 if (ch_list_idx && op_ch_idx)
974 break;
975
976 index += sizeof(*e) + attr_size;
977 }
978
979 if (ch_list_idx) {
980 u16 elem_size;
981
982 ch_list = (struct wilc_attr_ch_list *)&buf[ch_list_idx];
983 /* the number of bytes following the final 'elem' member */
984 elem_size = le16_to_cpu(ch_list->attr_len) -
985 (sizeof(*ch_list) - sizeof(struct wilc_attr_entry));
986 for (unsigned int i = 0; i < elem_size;) {
987 struct wilc_ch_list_elem *e;
988
989 e = (struct wilc_ch_list_elem *)(ch_list->elem + i);
990
991 i += sizeof(*e);
992 if (i > elem_size)
993 break;
994
995 i += e->no_of_channels;
996 if (i > elem_size)
997 break;
998
999 if (e->op_class == WILC_WLAN_OPERATING_CLASS_2_4GHZ) {
1000 memset(e->ch_list, sta_ch, e->no_of_channels);
1001 break;
1002 }
1003 }
1004 }
1005
1006 if (op_ch_idx) {
1007 op_ch = (struct wilc_attr_oper_ch *)&buf[op_ch_idx];
1008 op_ch->op_class = WILC_WLAN_OPERATING_CLASS_2_4GHZ;
1009 op_ch->op_channel = sta_ch;
1010 }
1011 }
1012
wilc_wfi_mgmt_frame_rx(struct wilc_vif * vif,u8 * buff,u32 size)1013 bool wilc_wfi_mgmt_frame_rx(struct wilc_vif *vif, u8 *buff, u32 size)
1014 {
1015 struct wilc *wl = vif->wilc;
1016 struct wilc_priv *priv = &vif->priv;
1017 int freq;
1018
1019 freq = ieee80211_channel_to_frequency(wl->op_ch, NL80211_BAND_2GHZ);
1020
1021 return cfg80211_rx_mgmt(&priv->wdev, freq, 0, buff, size, 0);
1022 }
1023
wilc_wfi_p2p_rx(struct wilc_vif * vif,u8 * buff,u32 size)1024 void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size)
1025 {
1026 struct wilc *wl = vif->wilc;
1027 struct wilc_priv *priv = &vif->priv;
1028 struct host_if_drv *wfi_drv = priv->hif_drv;
1029 struct ieee80211_mgmt *mgmt;
1030 struct wilc_vendor_specific_ie *p;
1031 struct wilc_p2p_pub_act_frame *d;
1032 int ie_offset = offsetof(struct ieee80211_mgmt, u) + sizeof(*d);
1033 const u8 *vendor_ie;
1034 u32 header, pkt_offset;
1035 s32 freq;
1036
1037 header = get_unaligned_le32(buff - HOST_HDR_OFFSET);
1038 pkt_offset = FIELD_GET(WILC_PKT_HDR_OFFSET_FIELD, header);
1039
1040 if (pkt_offset & IS_MANAGMEMENT_CALLBACK) {
1041 bool ack = false;
1042 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)buff;
1043
1044 if (ieee80211_is_probe_resp(hdr->frame_control) ||
1045 pkt_offset & IS_MGMT_STATUS_SUCCES)
1046 ack = true;
1047
1048 cfg80211_mgmt_tx_status(&priv->wdev, priv->tx_cookie, buff,
1049 size, ack, GFP_KERNEL);
1050 return;
1051 }
1052
1053 freq = ieee80211_channel_to_frequency(wl->op_ch, NL80211_BAND_2GHZ);
1054
1055 mgmt = (struct ieee80211_mgmt *)buff;
1056 if (!ieee80211_is_action(mgmt->frame_control))
1057 goto out_rx_mgmt;
1058
1059 if (priv->cfg_scanning &&
1060 time_after_eq(jiffies, (unsigned long)wfi_drv->p2p_timeout)) {
1061 netdev_dbg(vif->ndev, "Receiving action wrong ch\n");
1062 return;
1063 }
1064
1065 if (!ieee80211_is_public_action((struct ieee80211_hdr *)buff, size))
1066 goto out_rx_mgmt;
1067
1068 d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action);
1069 if (d->oui_subtype != GO_NEG_REQ && d->oui_subtype != GO_NEG_RSP &&
1070 d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP)
1071 goto out_rx_mgmt;
1072
1073 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1074 buff + ie_offset, size - ie_offset);
1075 if (!vendor_ie)
1076 goto out_rx_mgmt;
1077
1078 p = (struct wilc_vendor_specific_ie *)vendor_ie;
1079 wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch);
1080
1081 out_rx_mgmt:
1082 cfg80211_rx_mgmt(&priv->wdev, freq, 0, buff, size, 0);
1083 }
1084
wilc_wfi_mgmt_tx_complete(void * priv,int status)1085 static void wilc_wfi_mgmt_tx_complete(void *priv, int status)
1086 {
1087 struct wilc_p2p_mgmt_data *pv_data = priv;
1088
1089 kfree(pv_data->buff);
1090 kfree(pv_data);
1091 }
1092
wilc_wfi_remain_on_channel_expired(struct wilc_vif * vif,u64 cookie)1093 static void wilc_wfi_remain_on_channel_expired(struct wilc_vif *vif, u64 cookie)
1094 {
1095 struct wilc_priv *priv = &vif->priv;
1096 struct wilc_wfi_p2p_listen_params *params = &priv->remain_on_ch_params;
1097
1098 if (cookie != params->listen_cookie)
1099 return;
1100
1101 priv->p2p_listen_state = false;
1102
1103 cfg80211_remain_on_channel_expired(&priv->wdev, params->listen_cookie,
1104 params->listen_ch, GFP_KERNEL);
1105 }
1106
remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,struct ieee80211_channel * chan,unsigned int duration,u64 * cookie)1107 static int remain_on_channel(struct wiphy *wiphy,
1108 struct wireless_dev *wdev,
1109 struct ieee80211_channel *chan,
1110 unsigned int duration, u64 *cookie)
1111 {
1112 int ret = 0;
1113 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1114 struct wilc_priv *priv = &vif->priv;
1115 u64 id;
1116
1117 if (wdev->iftype == NL80211_IFTYPE_AP) {
1118 netdev_dbg(vif->ndev, "Required while in AP mode\n");
1119 return ret;
1120 }
1121
1122 id = ++priv->inc_roc_cookie;
1123 if (id == 0)
1124 id = ++priv->inc_roc_cookie;
1125
1126 ret = wilc_remain_on_channel(vif, id, chan->hw_value,
1127 wilc_wfi_remain_on_channel_expired);
1128 if (ret)
1129 return ret;
1130
1131 vif->wilc->op_ch = chan->hw_value;
1132
1133 priv->remain_on_ch_params.listen_ch = chan;
1134 priv->remain_on_ch_params.listen_cookie = id;
1135 *cookie = id;
1136 priv->p2p_listen_state = true;
1137 priv->remain_on_ch_params.listen_duration = duration;
1138
1139 cfg80211_ready_on_channel(wdev, *cookie, chan, duration, GFP_KERNEL);
1140 mod_timer(&vif->hif_drv->remain_on_ch_timer,
1141 jiffies + msecs_to_jiffies(duration + 1000));
1142
1143 return ret;
1144 }
1145
cancel_remain_on_channel(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)1146 static int cancel_remain_on_channel(struct wiphy *wiphy,
1147 struct wireless_dev *wdev,
1148 u64 cookie)
1149 {
1150 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1151 struct wilc_priv *priv = &vif->priv;
1152
1153 if (cookie != priv->remain_on_ch_params.listen_cookie)
1154 return -ENOENT;
1155
1156 return wilc_listen_state_expired(vif, cookie);
1157 }
1158
mgmt_tx(struct wiphy * wiphy,struct wireless_dev * wdev,struct cfg80211_mgmt_tx_params * params,u64 * cookie)1159 static int mgmt_tx(struct wiphy *wiphy,
1160 struct wireless_dev *wdev,
1161 struct cfg80211_mgmt_tx_params *params,
1162 u64 *cookie)
1163 {
1164 struct ieee80211_channel *chan = params->chan;
1165 unsigned int wait = params->wait;
1166 const u8 *buf = params->buf;
1167 size_t len = params->len;
1168 const struct ieee80211_mgmt *mgmt;
1169 struct wilc_p2p_mgmt_data *mgmt_tx;
1170 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1171 struct wilc_priv *priv = &vif->priv;
1172 struct host_if_drv *wfi_drv = priv->hif_drv;
1173 struct wilc_vendor_specific_ie *p;
1174 struct wilc_p2p_pub_act_frame *d;
1175 int ie_offset = offsetof(struct ieee80211_mgmt, u) + sizeof(*d);
1176 const u8 *vendor_ie;
1177 int ret = 0;
1178
1179 *cookie = get_random_u32();
1180 priv->tx_cookie = *cookie;
1181 mgmt = (const struct ieee80211_mgmt *)buf;
1182
1183 if (!ieee80211_is_mgmt(mgmt->frame_control))
1184 goto out;
1185
1186 mgmt_tx = kmalloc(sizeof(*mgmt_tx), GFP_KERNEL);
1187 if (!mgmt_tx) {
1188 ret = -ENOMEM;
1189 goto out;
1190 }
1191
1192 mgmt_tx->buff = kmemdup(buf, len, GFP_KERNEL);
1193 if (!mgmt_tx->buff) {
1194 ret = -ENOMEM;
1195 kfree(mgmt_tx);
1196 goto out;
1197 }
1198
1199 mgmt_tx->size = len;
1200
1201 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
1202 wilc_set_mac_chnl_num(vif, chan->hw_value);
1203 vif->wilc->op_ch = chan->hw_value;
1204 goto out_txq_add_pkt;
1205 }
1206
1207 if (!ieee80211_is_public_action((struct ieee80211_hdr *)buf, len)) {
1208 if (chan)
1209 wilc_set_mac_chnl_num(vif, chan->hw_value);
1210 else
1211 wilc_set_mac_chnl_num(vif, vif->wilc->op_ch);
1212
1213 goto out_set_timeout;
1214 }
1215
1216 d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action);
1217 if (d->oui_type != WLAN_OUI_TYPE_WFA_P2P ||
1218 d->oui_subtype != GO_NEG_CONF) {
1219 wilc_set_mac_chnl_num(vif, chan->hw_value);
1220 vif->wilc->op_ch = chan->hw_value;
1221 }
1222
1223 if (d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP)
1224 goto out_set_timeout;
1225
1226 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1227 mgmt_tx->buff + ie_offset,
1228 len - ie_offset);
1229 if (!vendor_ie)
1230 goto out_set_timeout;
1231
1232 p = (struct wilc_vendor_specific_ie *)vendor_ie;
1233 wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch);
1234
1235 out_set_timeout:
1236 wfi_drv->p2p_timeout = (jiffies + msecs_to_jiffies(wait));
1237
1238 out_txq_add_pkt:
1239
1240 wilc_wlan_txq_add_mgmt_pkt(wdev->netdev, mgmt_tx,
1241 mgmt_tx->buff, mgmt_tx->size,
1242 wilc_wfi_mgmt_tx_complete);
1243
1244 out:
1245
1246 return ret;
1247 }
1248
mgmt_tx_cancel_wait(struct wiphy * wiphy,struct wireless_dev * wdev,u64 cookie)1249 static int mgmt_tx_cancel_wait(struct wiphy *wiphy,
1250 struct wireless_dev *wdev,
1251 u64 cookie)
1252 {
1253 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1254 struct wilc_priv *priv = &vif->priv;
1255 struct host_if_drv *wfi_drv = priv->hif_drv;
1256
1257 wfi_drv->p2p_timeout = jiffies;
1258
1259 if (!priv->p2p_listen_state) {
1260 struct wilc_wfi_p2p_listen_params *params;
1261
1262 params = &priv->remain_on_ch_params;
1263
1264 cfg80211_remain_on_channel_expired(wdev,
1265 params->listen_cookie,
1266 params->listen_ch,
1267 GFP_KERNEL);
1268 }
1269
1270 return 0;
1271 }
1272
wilc_update_mgmt_frame_registrations(struct wiphy * wiphy,struct wireless_dev * wdev,struct mgmt_frame_regs * upd)1273 void wilc_update_mgmt_frame_registrations(struct wiphy *wiphy,
1274 struct wireless_dev *wdev,
1275 struct mgmt_frame_regs *upd)
1276 {
1277 struct wilc *wl = wiphy_priv(wiphy);
1278 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1279 u32 presp_bit = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
1280 u32 action_bit = BIT(IEEE80211_STYPE_ACTION >> 4);
1281 u32 pauth_bit = BIT(IEEE80211_STYPE_AUTH >> 4);
1282
1283 if (wl->initialized) {
1284 bool prev = vif->mgmt_reg_stypes & presp_bit;
1285 bool now = upd->interface_stypes & presp_bit;
1286
1287 if (now != prev)
1288 wilc_frame_register(vif, IEEE80211_STYPE_PROBE_REQ, now);
1289
1290 prev = vif->mgmt_reg_stypes & action_bit;
1291 now = upd->interface_stypes & action_bit;
1292
1293 if (now != prev)
1294 wilc_frame_register(vif, IEEE80211_STYPE_ACTION, now);
1295
1296 prev = vif->mgmt_reg_stypes & pauth_bit;
1297 now = upd->interface_stypes & pauth_bit;
1298 if (now != prev)
1299 wilc_frame_register(vif, IEEE80211_STYPE_AUTH, now);
1300 }
1301
1302 vif->mgmt_reg_stypes =
1303 upd->interface_stypes & (presp_bit | action_bit | pauth_bit);
1304 }
1305
external_auth(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_external_auth_params * auth)1306 static int external_auth(struct wiphy *wiphy, struct net_device *dev,
1307 struct cfg80211_external_auth_params *auth)
1308 {
1309 struct wilc_vif *vif = netdev_priv(dev);
1310
1311 if (auth->status == WLAN_STATUS_SUCCESS)
1312 wilc_set_external_auth_param(vif, auth);
1313
1314 return 0;
1315 }
1316
set_cqm_rssi_config(struct wiphy * wiphy,struct net_device * dev,s32 rssi_thold,u32 rssi_hyst)1317 static int set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev,
1318 s32 rssi_thold, u32 rssi_hyst)
1319 {
1320 return 0;
1321 }
1322
dump_station(struct wiphy * wiphy,struct net_device * dev,int idx,u8 * mac,struct station_info * sinfo)1323 static int dump_station(struct wiphy *wiphy, struct net_device *dev,
1324 int idx, u8 *mac, struct station_info *sinfo)
1325 {
1326 struct wilc_vif *vif = netdev_priv(dev);
1327 int ret;
1328
1329 if (idx != 0)
1330 return -ENOENT;
1331
1332 ret = wilc_get_rssi(vif, &sinfo->signal);
1333 if (ret)
1334 return ret;
1335
1336 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1337 memcpy(mac, vif->priv.associated_bss, ETH_ALEN);
1338 return 0;
1339 }
1340
set_power_mgmt(struct wiphy * wiphy,struct net_device * dev,bool enabled,int timeout)1341 static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1342 bool enabled, int timeout)
1343 {
1344 struct wilc_vif *vif = netdev_priv(dev);
1345 struct wilc_priv *priv = &vif->priv;
1346
1347 if (!priv->hif_drv)
1348 return -EIO;
1349
1350 wilc_set_power_mgmt(vif, enabled, timeout);
1351
1352 return 0;
1353 }
1354
change_virtual_intf(struct wiphy * wiphy,struct net_device * dev,enum nl80211_iftype type,struct vif_params * params)1355 static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev,
1356 enum nl80211_iftype type,
1357 struct vif_params *params)
1358 {
1359 struct wilc *wl = wiphy_priv(wiphy);
1360 struct wilc_vif *vif = netdev_priv(dev);
1361 struct wilc_priv *priv = &vif->priv;
1362
1363 switch (type) {
1364 case NL80211_IFTYPE_STATION:
1365 vif->connecting = false;
1366 dev->ieee80211_ptr->iftype = type;
1367 priv->wdev.iftype = type;
1368 vif->monitor_flag = 0;
1369 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE)
1370 wilc_wfi_deinit_mon_interface(wl, true);
1371 vif->iftype = WILC_STATION_MODE;
1372
1373 if (wl->initialized)
1374 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1375 WILC_STATION_MODE, vif->idx);
1376
1377 memset(priv->assoc_stainfo.sta_associated_bss, 0,
1378 WILC_MAX_NUM_STA * ETH_ALEN);
1379 break;
1380
1381 case NL80211_IFTYPE_P2P_CLIENT:
1382 vif->connecting = false;
1383 dev->ieee80211_ptr->iftype = type;
1384 priv->wdev.iftype = type;
1385 vif->monitor_flag = 0;
1386 vif->iftype = WILC_CLIENT_MODE;
1387
1388 if (wl->initialized)
1389 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1390 WILC_STATION_MODE, vif->idx);
1391 break;
1392
1393 case NL80211_IFTYPE_AP:
1394 dev->ieee80211_ptr->iftype = type;
1395 priv->wdev.iftype = type;
1396 vif->iftype = WILC_AP_MODE;
1397
1398 if (wl->initialized)
1399 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1400 WILC_AP_MODE, vif->idx);
1401 break;
1402
1403 case NL80211_IFTYPE_P2P_GO:
1404 dev->ieee80211_ptr->iftype = type;
1405 priv->wdev.iftype = type;
1406 vif->iftype = WILC_GO_MODE;
1407
1408 if (wl->initialized)
1409 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1410 WILC_AP_MODE, vif->idx);
1411 break;
1412
1413 default:
1414 netdev_err(dev, "Unknown interface type= %d\n", type);
1415 return -EINVAL;
1416 }
1417
1418 return 0;
1419 }
1420
start_ap(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_settings * settings)1421 static int start_ap(struct wiphy *wiphy, struct net_device *dev,
1422 struct cfg80211_ap_settings *settings)
1423 {
1424 struct wilc_vif *vif = netdev_priv(dev);
1425 int ret;
1426
1427 ret = set_channel(wiphy, &settings->chandef);
1428 if (ret != 0)
1429 netdev_err(dev, "Error in setting channel\n");
1430
1431 wilc_wlan_set_bssid(dev, dev->dev_addr, WILC_AP_MODE);
1432
1433 return wilc_add_beacon(vif, settings->beacon_interval,
1434 settings->dtim_period, &settings->beacon);
1435 }
1436
change_beacon(struct wiphy * wiphy,struct net_device * dev,struct cfg80211_ap_update * params)1437 static int change_beacon(struct wiphy *wiphy, struct net_device *dev,
1438 struct cfg80211_ap_update *params)
1439 {
1440 struct wilc_vif *vif = netdev_priv(dev);
1441
1442 return wilc_add_beacon(vif, 0, 0, ¶ms->beacon);
1443 }
1444
stop_ap(struct wiphy * wiphy,struct net_device * dev,unsigned int link_id)1445 static int stop_ap(struct wiphy *wiphy, struct net_device *dev,
1446 unsigned int link_id)
1447 {
1448 int ret;
1449 struct wilc_vif *vif = netdev_priv(dev);
1450
1451 wilc_wlan_set_bssid(dev, NULL, WILC_AP_MODE);
1452
1453 ret = wilc_del_beacon(vif);
1454
1455 if (ret)
1456 netdev_err(dev, "Host delete beacon fail\n");
1457
1458 return ret;
1459 }
1460
add_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)1461 static int add_station(struct wiphy *wiphy, struct net_device *dev,
1462 const u8 *mac, struct station_parameters *params)
1463 {
1464 int ret = 0;
1465 struct wilc_vif *vif = netdev_priv(dev);
1466 struct wilc_priv *priv = &vif->priv;
1467
1468 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
1469 memcpy(priv->assoc_stainfo.sta_associated_bss[params->aid], mac,
1470 ETH_ALEN);
1471
1472 ret = wilc_add_station(vif, mac, params);
1473 if (ret)
1474 netdev_err(dev, "Host add station fail\n");
1475 }
1476
1477 return ret;
1478 }
1479
del_station(struct wiphy * wiphy,struct net_device * dev,struct station_del_parameters * params)1480 static int del_station(struct wiphy *wiphy, struct net_device *dev,
1481 struct station_del_parameters *params)
1482 {
1483 const u8 *mac = params->mac;
1484 int ret = 0;
1485 struct wilc_vif *vif = netdev_priv(dev);
1486 struct wilc_priv *priv = &vif->priv;
1487 struct sta_info *info;
1488
1489 if (!(vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE))
1490 return ret;
1491
1492 info = &priv->assoc_stainfo;
1493
1494 if (!mac)
1495 ret = wilc_del_allstation(vif, info->sta_associated_bss);
1496
1497 ret = wilc_del_station(vif, mac);
1498 if (ret)
1499 netdev_err(dev, "Host delete station fail\n");
1500 return ret;
1501 }
1502
change_station(struct wiphy * wiphy,struct net_device * dev,const u8 * mac,struct station_parameters * params)1503 static int change_station(struct wiphy *wiphy, struct net_device *dev,
1504 const u8 *mac, struct station_parameters *params)
1505 {
1506 int ret = 0;
1507 struct wilc_vif *vif = netdev_priv(dev);
1508
1509 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
1510 ret = wilc_edit_station(vif, mac, params);
1511 if (ret)
1512 netdev_err(dev, "Host edit station fail\n");
1513 }
1514 return ret;
1515 }
1516
wilc_get_vif_from_type(struct wilc * wl,int type)1517 static struct wilc_vif *wilc_get_vif_from_type(struct wilc *wl, int type)
1518 {
1519 struct wilc_vif *vif;
1520
1521 wilc_for_each_vif(wl, vif) {
1522 if (vif->iftype == type)
1523 return vif;
1524 }
1525
1526 return NULL;
1527 }
1528
add_virtual_intf(struct wiphy * wiphy,const char * name,unsigned char name_assign_type,enum nl80211_iftype type,struct vif_params * params)1529 static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy,
1530 const char *name,
1531 unsigned char name_assign_type,
1532 enum nl80211_iftype type,
1533 struct vif_params *params)
1534 {
1535 struct wilc *wl = wiphy_priv(wiphy);
1536 struct wilc_vif *vif;
1537 struct wireless_dev *wdev;
1538 int iftype;
1539
1540 if (type == NL80211_IFTYPE_MONITOR) {
1541 struct net_device *ndev;
1542 int srcu_idx;
1543
1544 srcu_idx = srcu_read_lock(&wl->srcu);
1545 vif = wilc_get_vif_from_type(wl, WILC_AP_MODE);
1546 if (!vif) {
1547 vif = wilc_get_vif_from_type(wl, WILC_GO_MODE);
1548 if (!vif) {
1549 srcu_read_unlock(&wl->srcu, srcu_idx);
1550 goto validate_interface;
1551 }
1552 }
1553
1554 if (vif->monitor_flag) {
1555 srcu_read_unlock(&wl->srcu, srcu_idx);
1556 goto validate_interface;
1557 }
1558
1559 ndev = wilc_wfi_init_mon_interface(wl, name, vif->ndev);
1560 if (ndev) {
1561 vif->monitor_flag = 1;
1562 } else {
1563 srcu_read_unlock(&wl->srcu, srcu_idx);
1564 return ERR_PTR(-EINVAL);
1565 }
1566
1567 wdev = &vif->priv.wdev;
1568 srcu_read_unlock(&wl->srcu, srcu_idx);
1569 return wdev;
1570 }
1571
1572 validate_interface:
1573 mutex_lock(&wl->vif_mutex);
1574 if (wl->vif_num == WILC_NUM_CONCURRENT_IFC) {
1575 pr_err("Reached maximum number of interface\n");
1576 mutex_unlock(&wl->vif_mutex);
1577 return ERR_PTR(-EINVAL);
1578 }
1579 mutex_unlock(&wl->vif_mutex);
1580
1581 switch (type) {
1582 case NL80211_IFTYPE_STATION:
1583 iftype = WILC_STATION_MODE;
1584 break;
1585 case NL80211_IFTYPE_AP:
1586 iftype = WILC_AP_MODE;
1587 break;
1588 default:
1589 return ERR_PTR(-EOPNOTSUPP);
1590 }
1591
1592 vif = wilc_netdev_ifc_init(wl, name, iftype, type, true);
1593 if (IS_ERR(vif))
1594 return ERR_CAST(vif);
1595
1596 return &vif->priv.wdev;
1597 }
1598
del_virtual_intf(struct wiphy * wiphy,struct wireless_dev * wdev)1599 static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
1600 {
1601 struct wilc *wl = wiphy_priv(wiphy);
1602 struct wilc_vif *vif;
1603
1604 if (wdev->iftype == NL80211_IFTYPE_AP ||
1605 wdev->iftype == NL80211_IFTYPE_P2P_GO)
1606 wilc_wfi_deinit_mon_interface(wl, true);
1607 vif = netdev_priv(wdev->netdev);
1608 cfg80211_stop_iface(wiphy, wdev, GFP_KERNEL);
1609 cfg80211_unregister_netdevice(vif->ndev);
1610 vif->monitor_flag = 0;
1611
1612 mutex_lock(&wl->vif_mutex);
1613 list_del_rcu(&vif->list);
1614 wl->vif_num--;
1615 mutex_unlock(&wl->vif_mutex);
1616 synchronize_srcu(&wl->srcu);
1617 return 0;
1618 }
1619
wilc_set_wakeup(struct wiphy * wiphy,bool enabled)1620 static void wilc_set_wakeup(struct wiphy *wiphy, bool enabled)
1621 {
1622 struct wilc *wl = wiphy_priv(wiphy);
1623 struct wilc_vif *vif;
1624 int srcu_idx;
1625
1626 srcu_idx = srcu_read_lock(&wl->srcu);
1627 vif = wilc_get_wl_to_vif(wl);
1628 if (IS_ERR(vif)) {
1629 srcu_read_unlock(&wl->srcu, srcu_idx);
1630 return;
1631 }
1632
1633 netdev_info(vif->ndev, "cfg set wake up = %d\n", enabled);
1634 wilc_set_wowlan_trigger(vif, enabled);
1635 srcu_read_unlock(&wl->srcu, srcu_idx);
1636 }
1637
set_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,enum nl80211_tx_power_setting type,int mbm)1638 static int set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1639 enum nl80211_tx_power_setting type, int mbm)
1640 {
1641 int ret;
1642 int srcu_idx;
1643 s32 tx_power = MBM_TO_DBM(mbm);
1644 struct wilc *wl = wiphy_priv(wiphy);
1645 struct wilc_vif *vif;
1646
1647 if (!wl->initialized)
1648 return -EIO;
1649
1650 srcu_idx = srcu_read_lock(&wl->srcu);
1651 vif = wilc_get_wl_to_vif(wl);
1652 if (IS_ERR(vif)) {
1653 srcu_read_unlock(&wl->srcu, srcu_idx);
1654 return -EINVAL;
1655 }
1656
1657 netdev_info(vif->ndev, "Setting tx power %d\n", tx_power);
1658 if (tx_power < 0)
1659 tx_power = 0;
1660 else if (tx_power > 18)
1661 tx_power = 18;
1662 ret = wilc_set_tx_power(vif, tx_power);
1663 if (ret)
1664 netdev_err(vif->ndev, "Failed to set tx power\n");
1665 srcu_read_unlock(&wl->srcu, srcu_idx);
1666
1667 return ret;
1668 }
1669
get_tx_power(struct wiphy * wiphy,struct wireless_dev * wdev,int * dbm)1670 static int get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1671 int *dbm)
1672 {
1673 int ret;
1674 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1675 struct wilc *wl = vif->wilc;
1676
1677 /* If firmware is not started, return. */
1678 if (!wl->initialized)
1679 return -EIO;
1680
1681 ret = wilc_get_tx_power(vif, (u8 *)dbm);
1682 if (ret)
1683 netdev_err(vif->ndev, "Failed to get tx power\n");
1684
1685 return ret;
1686 }
1687
1688 static const struct cfg80211_ops wilc_cfg80211_ops = {
1689 .set_monitor_channel = set_channel,
1690 .scan = scan,
1691 .connect = connect,
1692 .disconnect = disconnect,
1693 .add_key = add_key,
1694 .del_key = del_key,
1695 .get_key = get_key,
1696 .set_default_key = set_default_key,
1697 .set_default_mgmt_key = set_default_mgmt_key,
1698 .add_virtual_intf = add_virtual_intf,
1699 .del_virtual_intf = del_virtual_intf,
1700 .change_virtual_intf = change_virtual_intf,
1701
1702 .start_ap = start_ap,
1703 .change_beacon = change_beacon,
1704 .stop_ap = stop_ap,
1705 .add_station = add_station,
1706 .del_station = del_station,
1707 .change_station = change_station,
1708 .get_station = get_station,
1709 .dump_station = dump_station,
1710 .change_bss = change_bss,
1711 .set_wiphy_params = set_wiphy_params,
1712
1713 .external_auth = external_auth,
1714 .set_pmksa = set_pmksa,
1715 .del_pmksa = del_pmksa,
1716 .flush_pmksa = flush_pmksa,
1717 .remain_on_channel = remain_on_channel,
1718 .cancel_remain_on_channel = cancel_remain_on_channel,
1719 .mgmt_tx_cancel_wait = mgmt_tx_cancel_wait,
1720 .mgmt_tx = mgmt_tx,
1721 .update_mgmt_frame_registrations = wilc_update_mgmt_frame_registrations,
1722 .set_power_mgmt = set_power_mgmt,
1723 .set_cqm_rssi_config = set_cqm_rssi_config,
1724
1725 .set_wakeup = wilc_set_wakeup,
1726 .set_tx_power = set_tx_power,
1727 .get_tx_power = get_tx_power,
1728
1729 };
1730
wlan_init_locks(struct wilc * wl)1731 static void wlan_init_locks(struct wilc *wl)
1732 {
1733 mutex_init(&wl->hif_cs);
1734 mutex_init(&wl->rxq_cs);
1735 mutex_init(&wl->cfg_cmd_lock);
1736 mutex_init(&wl->vif_mutex);
1737 mutex_init(&wl->deinit_lock);
1738
1739 spin_lock_init(&wl->txq_spinlock);
1740 mutex_init(&wl->txq_add_to_head_cs);
1741
1742 init_completion(&wl->txq_event);
1743 init_completion(&wl->cfg_event);
1744 init_completion(&wl->sync_event);
1745 init_completion(&wl->txq_thread_started);
1746 init_srcu_struct(&wl->srcu);
1747 }
1748
wlan_deinit_locks(struct wilc * wilc)1749 void wlan_deinit_locks(struct wilc *wilc)
1750 {
1751 mutex_destroy(&wilc->hif_cs);
1752 mutex_destroy(&wilc->rxq_cs);
1753 mutex_destroy(&wilc->cfg_cmd_lock);
1754 mutex_destroy(&wilc->txq_add_to_head_cs);
1755 mutex_destroy(&wilc->vif_mutex);
1756 mutex_destroy(&wilc->deinit_lock);
1757 cleanup_srcu_struct(&wilc->srcu);
1758 }
1759
wilc_cfg80211_init(struct wilc ** wilc,struct device * dev,int io_type,const struct wilc_hif_func * ops)1760 int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type,
1761 const struct wilc_hif_func *ops)
1762 {
1763 struct wilc *wl;
1764 int ret, i;
1765
1766 wl = wilc_create_wiphy(dev);
1767 if (!wl)
1768 return -EINVAL;
1769
1770 wlan_init_locks(wl);
1771
1772 ret = wilc_wlan_cfg_init(wl);
1773 if (ret)
1774 goto free_wl;
1775
1776 *wilc = wl;
1777 wl->io_type = io_type;
1778 wl->hif_func = ops;
1779
1780 for (i = 0; i < NQUEUES; i++)
1781 INIT_LIST_HEAD(&wl->txq[i].txq_head.list);
1782
1783 INIT_LIST_HEAD(&wl->rxq_head.list);
1784 INIT_LIST_HEAD(&wl->vif_list);
1785
1786 wl->hif_workqueue = alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM,
1787 wiphy_name(wl->wiphy));
1788 if (!wl->hif_workqueue) {
1789 ret = -ENOMEM;
1790 goto free_cfg;
1791 }
1792
1793 return 0;
1794
1795 free_cfg:
1796 wilc_wlan_cfg_deinit(wl);
1797
1798 free_wl:
1799 wlan_deinit_locks(wl);
1800 wiphy_unregister(wl->wiphy);
1801 wiphy_free(wl->wiphy);
1802 return ret;
1803 }
1804 EXPORT_SYMBOL_GPL(wilc_cfg80211_init);
1805
wilc_create_wiphy(struct device * dev)1806 struct wilc *wilc_create_wiphy(struct device *dev)
1807 {
1808 struct wiphy *wiphy;
1809 struct wilc *wl;
1810 int ret;
1811
1812 wiphy = wiphy_new(&wilc_cfg80211_ops, sizeof(*wl));
1813 if (!wiphy)
1814 return NULL;
1815
1816 wl = wiphy_priv(wiphy);
1817
1818 memcpy(wl->bitrates, wilc_bitrates, sizeof(wilc_bitrates));
1819 memcpy(wl->channels, wilc_2ghz_channels, sizeof(wilc_2ghz_channels));
1820 wl->band.bitrates = wl->bitrates;
1821 wl->band.n_bitrates = ARRAY_SIZE(wl->bitrates);
1822 wl->band.channels = wl->channels;
1823 wl->band.n_channels = ARRAY_SIZE(wilc_2ghz_channels);
1824
1825 wl->band.ht_cap.ht_supported = 1;
1826 wl->band.ht_cap.cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1827 wl->band.ht_cap.mcs.rx_mask[0] = 0xff;
1828 wl->band.ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K;
1829 wl->band.ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
1830
1831 wiphy->bands[NL80211_BAND_2GHZ] = &wl->band;
1832
1833 wiphy->max_scan_ssids = WILC_MAX_NUM_PROBED_SSID;
1834 #ifdef CONFIG_PM
1835 wiphy->wowlan = &wowlan_support;
1836 #endif
1837 wiphy->max_num_pmkids = WILC_MAX_NUM_PMKIDS;
1838 wiphy->max_scan_ie_len = 1000;
1839 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1840 memcpy(wl->cipher_suites, wilc_cipher_suites,
1841 sizeof(wilc_cipher_suites));
1842 wiphy->cipher_suites = wl->cipher_suites;
1843 wiphy->n_cipher_suites = ARRAY_SIZE(wilc_cipher_suites);
1844 wiphy->mgmt_stypes = wilc_wfi_cfg80211_mgmt_types;
1845
1846 wiphy->max_remain_on_channel_duration = 500;
1847 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1848 BIT(NL80211_IFTYPE_AP) |
1849 BIT(NL80211_IFTYPE_MONITOR) |
1850 BIT(NL80211_IFTYPE_P2P_GO) |
1851 BIT(NL80211_IFTYPE_P2P_CLIENT);
1852 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
1853 wiphy->features |= NL80211_FEATURE_SAE;
1854 set_wiphy_dev(wiphy, dev);
1855 wl->wiphy = wiphy;
1856 ret = wiphy_register(wiphy);
1857 if (ret) {
1858 wiphy_free(wiphy);
1859 return NULL;
1860 }
1861 return wl;
1862 }
1863
wilc_init_host_int(struct net_device * net)1864 int wilc_init_host_int(struct net_device *net)
1865 {
1866 int ret;
1867 struct wilc_vif *vif = netdev_priv(net);
1868 struct wilc_priv *priv = &vif->priv;
1869
1870 priv->p2p_listen_state = false;
1871
1872 mutex_init(&priv->scan_req_lock);
1873 ret = wilc_init(net, &priv->hif_drv);
1874 if (ret)
1875 netdev_err(net, "Error while initializing hostinterface\n");
1876
1877 return ret;
1878 }
1879
wilc_deinit_host_int(struct net_device * net)1880 void wilc_deinit_host_int(struct net_device *net)
1881 {
1882 int ret;
1883 struct wilc_vif *vif = netdev_priv(net);
1884 struct wilc_priv *priv = &vif->priv;
1885
1886 priv->p2p_listen_state = false;
1887
1888 flush_workqueue(vif->wilc->hif_workqueue);
1889 mutex_destroy(&priv->scan_req_lock);
1890 ret = wilc_deinit(vif);
1891
1892 if (ret)
1893 netdev_err(net, "Error while deinitializing host interface\n");
1894 }
1895
1896