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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
20static 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
52static const struct wiphy_wowlan_support wowlan_support = {
53 .flags = WIPHY_WOWLAN_ANY
54};
55#endif
56
57struct wilc_p2p_mgmt_data {
58 int size;
59 u8 *buff;
60};
61
62struct 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
72struct 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
80struct wilc_attr_entry {
81 u8 attr_type;
82 __le16 attr_len;
83 u8 val[];
84} __packed;
85
86struct 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
94struct 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
101struct wilc_ch_list_elem {
102 u8 op_class;
103 u8 no_of_channels;
104 u8 ch_list[];
105} __packed;
106
107static void cfg_scan_result(enum scan_event scan_event,
108 struct wilc_rcvd_net_info *info, void *user_void)
109{
110 struct wilc_priv *priv = user_void;
111
112 if (!priv->cfg_scanning)
113 return;
114
115 if (scan_event == SCAN_EVENT_NETWORK_FOUND) {
116 s32 freq;
117 struct ieee80211_channel *channel;
118 struct cfg80211_bss *bss;
119 struct wiphy *wiphy = priv->dev->ieee80211_ptr->wiphy;
120
121 if (!wiphy || !info)
122 return;
123
124 freq = ieee80211_channel_to_frequency((s32)info->ch,
125 NL80211_BAND_2GHZ);
126 channel = ieee80211_get_channel(wiphy, freq);
127 if (!channel)
128 return;
129
130 bss = cfg80211_inform_bss_frame(wiphy, channel, info->mgmt,
131 info->frame_len,
132 (s32)info->rssi * 100,
133 GFP_KERNEL);
134 cfg80211_put_bss(wiphy, bss);
135 } else if (scan_event == SCAN_EVENT_DONE) {
136 mutex_lock(&priv->scan_req_lock);
137
138 if (priv->scan_req) {
139 struct cfg80211_scan_info info = {
140 .aborted = false,
141 };
142
143 cfg80211_scan_done(priv->scan_req, &info);
144 priv->cfg_scanning = false;
145 priv->scan_req = NULL;
146 }
147 mutex_unlock(&priv->scan_req_lock);
148 } else if (scan_event == SCAN_EVENT_ABORTED) {
149 mutex_lock(&priv->scan_req_lock);
150
151 if (priv->scan_req) {
152 struct cfg80211_scan_info info = {
153 .aborted = false,
154 };
155
156 cfg80211_scan_done(priv->scan_req, &info);
157 priv->cfg_scanning = false;
158 priv->scan_req = NULL;
159 }
160 mutex_unlock(&priv->scan_req_lock);
161 }
162}
163
164static void cfg_connect_result(enum conn_event conn_disconn_evt, u8 mac_status,
165 void *priv_data)
166{
167 struct wilc_priv *priv = priv_data;
168 struct net_device *dev = priv->dev;
169 struct wilc_vif *vif = netdev_priv(dev);
170 struct wilc *wl = vif->wilc;
171 struct host_if_drv *wfi_drv = priv->hif_drv;
172 struct wilc_conn_info *conn_info = &wfi_drv->conn_info;
173 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
174
175 vif->connecting = false;
176
177 if (conn_disconn_evt == CONN_DISCONN_EVENT_CONN_RESP) {
178 u16 connect_status = conn_info->status;
179
180 if (mac_status == WILC_MAC_STATUS_DISCONNECTED &&
181 connect_status == WLAN_STATUS_SUCCESS) {
182 connect_status = WLAN_STATUS_UNSPECIFIED_FAILURE;
183 wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
184
185 if (vif->iftype != WILC_CLIENT_MODE)
186 wl->sta_ch = WILC_INVALID_CHANNEL;
187
188 netdev_err(dev, "Unspecified failure\n");
189 }
190
191 if (connect_status == WLAN_STATUS_SUCCESS)
192 memcpy(priv->associated_bss, conn_info->bssid,
193 ETH_ALEN);
194
195 cfg80211_ref_bss(wiphy, vif->bss);
196 cfg80211_connect_bss(dev, conn_info->bssid, vif->bss,
197 conn_info->req_ies,
198 conn_info->req_ies_len,
199 conn_info->resp_ies,
200 conn_info->resp_ies_len,
201 connect_status, GFP_KERNEL,
202 NL80211_TIMEOUT_UNSPECIFIED);
203
204 vif->bss = NULL;
205 } else if (conn_disconn_evt == CONN_DISCONN_EVENT_DISCONN_NOTIF) {
206 u16 reason = 0;
207
208 eth_zero_addr(priv->associated_bss);
209 wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
210
211 if (vif->iftype != WILC_CLIENT_MODE) {
212 wl->sta_ch = WILC_INVALID_CHANNEL;
213 } else {
214 if (wfi_drv->ifc_up)
215 reason = 3;
216 else
217 reason = 1;
218 }
219
220 cfg80211_disconnected(dev, reason, NULL, 0, false, GFP_KERNEL);
221 }
222}
223
224struct wilc_vif *wilc_get_wl_to_vif(struct wilc *wl)
225{
226 struct wilc_vif *vif;
227
228 vif = list_first_or_null_rcu(&wl->vif_list, typeof(*vif), list);
229 if (!vif)
230 return ERR_PTR(-EINVAL);
231
232 return vif;
233}
234
235static int set_channel(struct wiphy *wiphy,
236 struct cfg80211_chan_def *chandef)
237{
238 struct wilc *wl = wiphy_priv(wiphy);
239 struct wilc_vif *vif;
240 u32 channelnum;
241 int result;
242 int srcu_idx;
243
244 srcu_idx = srcu_read_lock(&wl->srcu);
245 vif = wilc_get_wl_to_vif(wl);
246 if (IS_ERR(vif)) {
247 srcu_read_unlock(&wl->srcu, srcu_idx);
248 return PTR_ERR(vif);
249 }
250
251 channelnum = ieee80211_frequency_to_channel(chandef->chan->center_freq);
252
253 wl->op_ch = channelnum;
254 result = wilc_set_mac_chnl_num(vif, channelnum);
255 if (result)
256 netdev_err(vif->ndev, "Error in setting channel\n");
257
258 srcu_read_unlock(&wl->srcu, srcu_idx);
259 return result;
260}
261
262static int scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
263{
264 struct wilc_vif *vif = netdev_priv(request->wdev->netdev);
265 struct wilc_priv *priv = &vif->priv;
266 u32 i;
267 int ret = 0;
268 u8 scan_ch_list[WILC_MAX_NUM_SCANNED_CH];
269 u8 scan_type;
270
271 if (request->n_channels > WILC_MAX_NUM_SCANNED_CH) {
272 netdev_err(vif->ndev, "Requested scanned channels over\n");
273 return -EINVAL;
274 }
275
276 priv->scan_req = request;
277 priv->cfg_scanning = true;
278 for (i = 0; i < request->n_channels; i++) {
279 u16 freq = request->channels[i]->center_freq;
280
281 scan_ch_list[i] = ieee80211_frequency_to_channel(freq);
282 }
283
284 if (request->n_ssids)
285 scan_type = WILC_FW_ACTIVE_SCAN;
286 else
287 scan_type = WILC_FW_PASSIVE_SCAN;
288
289 ret = wilc_scan(vif, WILC_FW_USER_SCAN, scan_type, scan_ch_list,
290 request->n_channels, cfg_scan_result, (void *)priv,
291 request);
292
293 if (ret) {
294 priv->scan_req = NULL;
295 priv->cfg_scanning = false;
296 }
297
298 return ret;
299}
300
301static int connect(struct wiphy *wiphy, struct net_device *dev,
302 struct cfg80211_connect_params *sme)
303{
304 struct wilc_vif *vif = netdev_priv(dev);
305 struct wilc_priv *priv = &vif->priv;
306 struct host_if_drv *wfi_drv = priv->hif_drv;
307 int ret;
308 u32 i;
309 u8 security = WILC_FW_SEC_NO;
310 enum mfptype mfp_type = WILC_FW_MFP_NONE;
311 enum authtype auth_type = WILC_FW_AUTH_ANY;
312 u32 cipher_group;
313 struct cfg80211_bss *bss;
314 void *join_params;
315 u8 ch;
316
317 vif->connecting = true;
318
319 cipher_group = sme->crypto.cipher_group;
320 if (cipher_group != 0) {
321 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) {
322 if (cipher_group == WLAN_CIPHER_SUITE_TKIP)
323 security = WILC_FW_SEC_WPA2_TKIP;
324 else
325 security = WILC_FW_SEC_WPA2_AES;
326 } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) {
327 if (cipher_group == WLAN_CIPHER_SUITE_TKIP)
328 security = WILC_FW_SEC_WPA_TKIP;
329 else
330 security = WILC_FW_SEC_WPA_AES;
331 } else {
332 ret = -ENOTSUPP;
333 netdev_err(dev, "%s: Unsupported cipher\n",
334 __func__);
335 goto out_error;
336 }
337 }
338
339 if ((sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) ||
340 (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)) {
341 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) {
342 u32 ciphers_pairwise = sme->crypto.ciphers_pairwise[i];
343
344 if (ciphers_pairwise == WLAN_CIPHER_SUITE_TKIP)
345 security |= WILC_FW_TKIP;
346 else
347 security |= WILC_FW_AES;
348 }
349 }
350
351 switch (sme->auth_type) {
352 case NL80211_AUTHTYPE_OPEN_SYSTEM:
353 auth_type = WILC_FW_AUTH_OPEN_SYSTEM;
354 break;
355
356 case NL80211_AUTHTYPE_SAE:
357 auth_type = WILC_FW_AUTH_SAE;
358 if (sme->ssid_len) {
359 memcpy(vif->auth.ssid.ssid, sme->ssid, sme->ssid_len);
360 vif->auth.ssid.ssid_len = sme->ssid_len;
361 }
362 vif->auth.key_mgmt_suite = cpu_to_be32(sme->crypto.akm_suites[0]);
363 ether_addr_copy(vif->auth.bssid, sme->bssid);
364 break;
365
366 default:
367 break;
368 }
369
370 if (sme->crypto.n_akm_suites) {
371 if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_8021X)
372 auth_type = WILC_FW_AUTH_IEEE8021;
373 else if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_PSK_SHA256)
374 auth_type = WILC_FW_AUTH_OPEN_SYSTEM_SHA256;
375 else if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_8021X_SHA256)
376 auth_type = WILC_FW_AUTH_IEE8021X_SHA256;
377 }
378
379 if (wfi_drv->usr_scan_req.scan_result) {
380 netdev_err(vif->ndev, "%s: Scan in progress\n", __func__);
381 ret = -EBUSY;
382 goto out_error;
383 }
384
385 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, sme->ssid,
386 sme->ssid_len, IEEE80211_BSS_TYPE_ANY,
387 IEEE80211_PRIVACY(sme->privacy));
388 if (!bss) {
389 ret = -EINVAL;
390 goto out_error;
391 }
392
393 if (ether_addr_equal_unaligned(vif->bssid, bss->bssid)) {
394 ret = -EALREADY;
395 goto out_put_bss;
396 }
397
398 join_params = wilc_parse_join_bss_param(bss, &sme->crypto);
399 if (!join_params) {
400 netdev_err(dev, "%s: failed to construct join param\n",
401 __func__);
402 ret = -EINVAL;
403 goto out_put_bss;
404 }
405
406 ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
407 vif->wilc->op_ch = ch;
408 if (vif->iftype != WILC_CLIENT_MODE)
409 vif->wilc->sta_ch = ch;
410
411 wilc_wlan_set_bssid(dev, bss->bssid, WILC_STATION_MODE);
412
413 wfi_drv->conn_info.security = security;
414 wfi_drv->conn_info.auth_type = auth_type;
415 wfi_drv->conn_info.ch = ch;
416 wfi_drv->conn_info.conn_result = cfg_connect_result;
417 wfi_drv->conn_info.arg = priv;
418 wfi_drv->conn_info.param = join_params;
419
420 if (sme->mfp == NL80211_MFP_OPTIONAL)
421 mfp_type = WILC_FW_MFP_OPTIONAL;
422 else if (sme->mfp == NL80211_MFP_REQUIRED)
423 mfp_type = WILC_FW_MFP_REQUIRED;
424
425 wfi_drv->conn_info.mfp_type = mfp_type;
426
427 ret = wilc_set_join_req(vif, bss->bssid, sme->ie, sme->ie_len);
428 if (ret) {
429 netdev_err(dev, "wilc_set_join_req(): Error\n");
430 ret = -ENOENT;
431 if (vif->iftype != WILC_CLIENT_MODE)
432 vif->wilc->sta_ch = WILC_INVALID_CHANNEL;
433 wilc_wlan_set_bssid(dev, NULL, WILC_STATION_MODE);
434 wfi_drv->conn_info.conn_result = NULL;
435 kfree(join_params);
436 goto out_put_bss;
437 }
438 kfree(join_params);
439 vif->bss = bss;
440 cfg80211_put_bss(wiphy, bss);
441 return 0;
442
443out_put_bss:
444 cfg80211_put_bss(wiphy, bss);
445
446out_error:
447 vif->connecting = false;
448 return ret;
449}
450
451static int disconnect(struct wiphy *wiphy, struct net_device *dev,
452 u16 reason_code)
453{
454 struct wilc_vif *vif = netdev_priv(dev);
455 struct wilc_priv *priv = &vif->priv;
456 struct wilc *wilc = vif->wilc;
457 int ret;
458
459 vif->connecting = false;
460
461 if (!wilc)
462 return -EIO;
463
464 if (wilc->close) {
465 /* already disconnected done */
466 cfg80211_disconnected(dev, 0, NULL, 0, true, GFP_KERNEL);
467 return 0;
468 }
469
470 if (vif->iftype != WILC_CLIENT_MODE)
471 wilc->sta_ch = WILC_INVALID_CHANNEL;
472 wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
473
474 priv->hif_drv->p2p_timeout = 0;
475
476 ret = wilc_disconnect(vif);
477 if (ret != 0) {
478 netdev_err(priv->dev, "Error in disconnecting\n");
479 ret = -EINVAL;
480 }
481
482 vif->bss = NULL;
483
484 return ret;
485}
486
487static int wilc_wfi_cfg_allocate_wpa_entry(struct wilc_priv *priv, u8 idx)
488{
489 if (!priv->wilc_gtk[idx]) {
490 priv->wilc_gtk[idx] = kzalloc(sizeof(*priv->wilc_gtk[idx]),
491 GFP_KERNEL);
492 if (!priv->wilc_gtk[idx])
493 return -ENOMEM;
494 }
495
496 if (!priv->wilc_ptk[idx]) {
497 priv->wilc_ptk[idx] = kzalloc(sizeof(*priv->wilc_ptk[idx]),
498 GFP_KERNEL);
499 if (!priv->wilc_ptk[idx])
500 return -ENOMEM;
501 }
502
503 return 0;
504}
505
506static int wilc_wfi_cfg_allocate_wpa_igtk_entry(struct wilc_priv *priv, u8 idx)
507{
508 idx -= 4;
509 if (!priv->wilc_igtk[idx]) {
510 priv->wilc_igtk[idx] = kzalloc(sizeof(*priv->wilc_igtk[idx]),
511 GFP_KERNEL);
512 if (!priv->wilc_igtk[idx])
513 return -ENOMEM;
514 }
515 return 0;
516}
517
518static int wilc_wfi_cfg_copy_wpa_info(struct wilc_wfi_key *key_info,
519 struct key_params *params)
520{
521 kfree(key_info->key);
522
523 key_info->key = kmemdup(params->key, params->key_len, GFP_KERNEL);
524 if (!key_info->key)
525 return -ENOMEM;
526
527 kfree(key_info->seq);
528
529 if (params->seq_len > 0) {
530 key_info->seq = kmemdup(params->seq, params->seq_len,
531 GFP_KERNEL);
532 if (!key_info->seq)
533 return -ENOMEM;
534 }
535
536 key_info->cipher = params->cipher;
537 key_info->key_len = params->key_len;
538 key_info->seq_len = params->seq_len;
539
540 return 0;
541}
542
543static int add_key(struct wiphy *wiphy, struct net_device *netdev, int link_id,
544 u8 key_index, bool pairwise, const u8 *mac_addr,
545 struct key_params *params)
546
547{
548 int ret = 0, keylen = params->key_len;
549 const u8 *rx_mic = NULL;
550 const u8 *tx_mic = NULL;
551 u8 mode = WILC_FW_SEC_NO;
552 u8 op_mode;
553 struct wilc_vif *vif = netdev_priv(netdev);
554 struct wilc_priv *priv = &vif->priv;
555 struct wilc_wfi_key *key;
556
557 switch (params->cipher) {
558 case WLAN_CIPHER_SUITE_TKIP:
559 case WLAN_CIPHER_SUITE_CCMP:
560 if (priv->wdev.iftype == NL80211_IFTYPE_AP ||
561 priv->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
562 struct wilc_wfi_key *key;
563
564 ret = wilc_wfi_cfg_allocate_wpa_entry(priv, key_index);
565 if (ret)
566 return -ENOMEM;
567
568 if (params->key_len > 16 &&
569 params->cipher == WLAN_CIPHER_SUITE_TKIP) {
570 tx_mic = params->key + 24;
571 rx_mic = params->key + 16;
572 keylen = params->key_len - 16;
573 }
574
575 if (!pairwise) {
576 if (params->cipher == WLAN_CIPHER_SUITE_TKIP)
577 mode = WILC_FW_SEC_WPA_TKIP;
578 else
579 mode = WILC_FW_SEC_WPA2_AES;
580
581 priv->wilc_groupkey = mode;
582
583 key = priv->wilc_gtk[key_index];
584 } else {
585 if (params->cipher == WLAN_CIPHER_SUITE_TKIP)
586 mode = WILC_FW_SEC_WPA_TKIP;
587 else
588 mode = priv->wilc_groupkey | WILC_FW_AES;
589
590 key = priv->wilc_ptk[key_index];
591 }
592 ret = wilc_wfi_cfg_copy_wpa_info(key, params);
593 if (ret)
594 return -ENOMEM;
595
596 op_mode = WILC_AP_MODE;
597 } else {
598 if (params->key_len > 16 &&
599 params->cipher == WLAN_CIPHER_SUITE_TKIP) {
600 rx_mic = params->key + 24;
601 tx_mic = params->key + 16;
602 keylen = params->key_len - 16;
603 }
604
605 op_mode = WILC_STATION_MODE;
606 }
607
608 if (!pairwise)
609 ret = wilc_add_rx_gtk(vif, params->key, keylen,
610 key_index, params->seq_len,
611 params->seq, rx_mic, tx_mic,
612 op_mode, mode);
613 else
614 ret = wilc_add_ptk(vif, params->key, keylen, mac_addr,
615 rx_mic, tx_mic, op_mode, mode,
616 key_index);
617
618 break;
619 case WLAN_CIPHER_SUITE_AES_CMAC:
620 ret = wilc_wfi_cfg_allocate_wpa_igtk_entry(priv, key_index);
621 if (ret)
622 return -ENOMEM;
623
624 key = priv->wilc_igtk[key_index - 4];
625 ret = wilc_wfi_cfg_copy_wpa_info(key, params);
626 if (ret)
627 return -ENOMEM;
628
629 if (priv->wdev.iftype == NL80211_IFTYPE_AP ||
630 priv->wdev.iftype == NL80211_IFTYPE_P2P_GO)
631 op_mode = WILC_AP_MODE;
632 else
633 op_mode = WILC_STATION_MODE;
634
635 ret = wilc_add_igtk(vif, params->key, keylen, params->seq,
636 params->seq_len, mac_addr, op_mode,
637 key_index);
638 break;
639
640 default:
641 netdev_err(netdev, "%s: Unsupported cipher\n", __func__);
642 ret = -ENOTSUPP;
643 }
644
645 return ret;
646}
647
648static int del_key(struct wiphy *wiphy, struct net_device *netdev, int link_id,
649 u8 key_index,
650 bool pairwise,
651 const u8 *mac_addr)
652{
653 struct wilc_vif *vif = netdev_priv(netdev);
654 struct wilc_priv *priv = &vif->priv;
655
656 if (!pairwise && (key_index == 4 || key_index == 5)) {
657 key_index -= 4;
658 if (priv->wilc_igtk[key_index]) {
659 kfree(priv->wilc_igtk[key_index]->key);
660 priv->wilc_igtk[key_index]->key = NULL;
661 kfree(priv->wilc_igtk[key_index]->seq);
662 priv->wilc_igtk[key_index]->seq = NULL;
663 kfree(priv->wilc_igtk[key_index]);
664 priv->wilc_igtk[key_index] = NULL;
665 }
666 } else {
667 if (priv->wilc_gtk[key_index]) {
668 kfree(priv->wilc_gtk[key_index]->key);
669 priv->wilc_gtk[key_index]->key = NULL;
670 kfree(priv->wilc_gtk[key_index]->seq);
671 priv->wilc_gtk[key_index]->seq = NULL;
672
673 kfree(priv->wilc_gtk[key_index]);
674 priv->wilc_gtk[key_index] = NULL;
675 }
676 if (priv->wilc_ptk[key_index]) {
677 kfree(priv->wilc_ptk[key_index]->key);
678 priv->wilc_ptk[key_index]->key = NULL;
679 kfree(priv->wilc_ptk[key_index]->seq);
680 priv->wilc_ptk[key_index]->seq = NULL;
681 kfree(priv->wilc_ptk[key_index]);
682 priv->wilc_ptk[key_index] = NULL;
683 }
684 }
685
686 return 0;
687}
688
689static int get_key(struct wiphy *wiphy, struct net_device *netdev, int link_id,
690 u8 key_index, bool pairwise, const u8 *mac_addr,
691 void *cookie,
692 void (*callback)(void *cookie, struct key_params *))
693{
694 struct wilc_vif *vif = netdev_priv(netdev);
695 struct wilc_priv *priv = &vif->priv;
696 struct key_params key_params;
697
698 if (!pairwise) {
699 if (key_index == 4 || key_index == 5) {
700 key_index -= 4;
701 key_params.key = priv->wilc_igtk[key_index]->key;
702 key_params.cipher = priv->wilc_igtk[key_index]->cipher;
703 key_params.key_len = priv->wilc_igtk[key_index]->key_len;
704 key_params.seq = priv->wilc_igtk[key_index]->seq;
705 key_params.seq_len = priv->wilc_igtk[key_index]->seq_len;
706 } else {
707 key_params.key = priv->wilc_gtk[key_index]->key;
708 key_params.cipher = priv->wilc_gtk[key_index]->cipher;
709 key_params.key_len = priv->wilc_gtk[key_index]->key_len;
710 key_params.seq = priv->wilc_gtk[key_index]->seq;
711 key_params.seq_len = priv->wilc_gtk[key_index]->seq_len;
712 }
713 } else {
714 key_params.key = priv->wilc_ptk[key_index]->key;
715 key_params.cipher = priv->wilc_ptk[key_index]->cipher;
716 key_params.key_len = priv->wilc_ptk[key_index]->key_len;
717 key_params.seq = priv->wilc_ptk[key_index]->seq;
718 key_params.seq_len = priv->wilc_ptk[key_index]->seq_len;
719 }
720
721 callback(cookie, &key_params);
722
723 return 0;
724}
725
726/* wiphy_new_nm() will WARNON if not present */
727static int set_default_key(struct wiphy *wiphy, struct net_device *netdev,
728 int link_id, u8 key_index, bool unicast,
729 bool multicast)
730{
731 return 0;
732}
733
734static int set_default_mgmt_key(struct wiphy *wiphy, struct net_device *netdev,
735 int link_id, u8 key_index)
736{
737 struct wilc_vif *vif = netdev_priv(netdev);
738
739 return wilc_set_default_mgmt_key_index(vif, key_index);
740}
741
742static int get_station(struct wiphy *wiphy, struct net_device *dev,
743 const u8 *mac, struct station_info *sinfo)
744{
745 struct wilc_vif *vif = netdev_priv(dev);
746 struct wilc_priv *priv = &vif->priv;
747 struct wilc *wilc = vif->wilc;
748 u32 i = 0;
749 u32 associatedsta = ~0;
750 u32 inactive_time = 0;
751
752 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
753 for (i = 0; i < NUM_STA_ASSOCIATED; i++) {
754 if (!(memcmp(mac,
755 priv->assoc_stainfo.sta_associated_bss[i],
756 ETH_ALEN))) {
757 associatedsta = i;
758 break;
759 }
760 }
761
762 if (associatedsta == ~0) {
763 netdev_err(dev, "sta required is not associated\n");
764 return -ENOENT;
765 }
766
767 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME);
768
769 wilc_get_inactive_time(vif, mac, &inactive_time);
770 sinfo->inactive_time = 1000 * inactive_time;
771 } else if (vif->iftype == WILC_STATION_MODE) {
772 struct rf_info stats;
773
774 if (!wilc->initialized)
775 return -EBUSY;
776
777 wilc_get_statistics(vif, &stats);
778
779 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL) |
780 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
781 BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
782 BIT_ULL(NL80211_STA_INFO_TX_FAILED) |
783 BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
784
785 sinfo->signal = stats.rssi;
786 sinfo->rx_packets = stats.rx_cnt;
787 sinfo->tx_packets = stats.tx_cnt + stats.tx_fail_cnt;
788 sinfo->tx_failed = stats.tx_fail_cnt;
789 sinfo->txrate.legacy = stats.link_speed * 10;
790
791 if (stats.link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
792 stats.link_speed != DEFAULT_LINK_SPEED)
793 wilc_enable_tcp_ack_filter(vif, true);
794 else if (stats.link_speed != DEFAULT_LINK_SPEED)
795 wilc_enable_tcp_ack_filter(vif, false);
796 }
797 return 0;
798}
799
800static int change_bss(struct wiphy *wiphy, struct net_device *dev,
801 struct bss_parameters *params)
802{
803 return 0;
804}
805
806static int set_wiphy_params(struct wiphy *wiphy, u32 changed)
807{
808 int ret = -EINVAL;
809 struct cfg_param_attr cfg_param_val;
810 struct wilc *wl = wiphy_priv(wiphy);
811 struct wilc_vif *vif;
812 struct wilc_priv *priv;
813 int srcu_idx;
814
815 srcu_idx = srcu_read_lock(&wl->srcu);
816 vif = wilc_get_wl_to_vif(wl);
817 if (IS_ERR(vif))
818 goto out;
819
820 priv = &vif->priv;
821 cfg_param_val.flag = 0;
822
823 if (changed & WIPHY_PARAM_RETRY_SHORT) {
824 netdev_dbg(vif->ndev,
825 "Setting WIPHY_PARAM_RETRY_SHORT %d\n",
826 wiphy->retry_short);
827 cfg_param_val.flag |= WILC_CFG_PARAM_RETRY_SHORT;
828 cfg_param_val.short_retry_limit = wiphy->retry_short;
829 }
830 if (changed & WIPHY_PARAM_RETRY_LONG) {
831 netdev_dbg(vif->ndev,
832 "Setting WIPHY_PARAM_RETRY_LONG %d\n",
833 wiphy->retry_long);
834 cfg_param_val.flag |= WILC_CFG_PARAM_RETRY_LONG;
835 cfg_param_val.long_retry_limit = wiphy->retry_long;
836 }
837 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
838 if (wiphy->frag_threshold > 255 &&
839 wiphy->frag_threshold < 7937) {
840 netdev_dbg(vif->ndev,
841 "Setting WIPHY_PARAM_FRAG_THRESHOLD %d\n",
842 wiphy->frag_threshold);
843 cfg_param_val.flag |= WILC_CFG_PARAM_FRAG_THRESHOLD;
844 cfg_param_val.frag_threshold = wiphy->frag_threshold;
845 } else {
846 netdev_err(vif->ndev,
847 "Fragmentation threshold out of range\n");
848 goto out;
849 }
850 }
851
852 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
853 if (wiphy->rts_threshold > 255) {
854 netdev_dbg(vif->ndev,
855 "Setting WIPHY_PARAM_RTS_THRESHOLD %d\n",
856 wiphy->rts_threshold);
857 cfg_param_val.flag |= WILC_CFG_PARAM_RTS_THRESHOLD;
858 cfg_param_val.rts_threshold = wiphy->rts_threshold;
859 } else {
860 netdev_err(vif->ndev, "RTS threshold out of range\n");
861 goto out;
862 }
863 }
864
865 ret = wilc_hif_set_cfg(vif, &cfg_param_val);
866 if (ret)
867 netdev_err(priv->dev, "Error in setting WIPHY PARAMS\n");
868
869out:
870 srcu_read_unlock(&wl->srcu, srcu_idx);
871 return ret;
872}
873
874static int set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
875 struct cfg80211_pmksa *pmksa)
876{
877 struct wilc_vif *vif = netdev_priv(netdev);
878 struct wilc_priv *priv = &vif->priv;
879 u32 i;
880 int ret = 0;
881 u8 flag = 0;
882
883 for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
884 if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
885 ETH_ALEN)) {
886 flag = PMKID_FOUND;
887 break;
888 }
889 }
890 if (i < WILC_MAX_NUM_PMKIDS) {
891 memcpy(priv->pmkid_list.pmkidlist[i].bssid, pmksa->bssid,
892 ETH_ALEN);
893 memcpy(priv->pmkid_list.pmkidlist[i].pmkid, pmksa->pmkid,
894 WLAN_PMKID_LEN);
895 if (!(flag == PMKID_FOUND))
896 priv->pmkid_list.numpmkid++;
897 } else {
898 netdev_err(netdev, "Invalid PMKID index\n");
899 ret = -EINVAL;
900 }
901
902 if (!ret)
903 ret = wilc_set_pmkid_info(vif, &priv->pmkid_list);
904
905 return ret;
906}
907
908static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
909 struct cfg80211_pmksa *pmksa)
910{
911 u32 i;
912 struct wilc_vif *vif = netdev_priv(netdev);
913 struct wilc_priv *priv = &vif->priv;
914
915 for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
916 if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
917 ETH_ALEN)) {
918 memset(&priv->pmkid_list.pmkidlist[i], 0,
919 sizeof(struct wilc_pmkid));
920 break;
921 }
922 }
923
924 if (i == priv->pmkid_list.numpmkid)
925 return -EINVAL;
926
927 for (; i < (priv->pmkid_list.numpmkid - 1); i++) {
928 memcpy(priv->pmkid_list.pmkidlist[i].bssid,
929 priv->pmkid_list.pmkidlist[i + 1].bssid,
930 ETH_ALEN);
931 memcpy(priv->pmkid_list.pmkidlist[i].pmkid,
932 priv->pmkid_list.pmkidlist[i + 1].pmkid,
933 WLAN_PMKID_LEN);
934 }
935 priv->pmkid_list.numpmkid--;
936
937 return 0;
938}
939
940static int flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
941{
942 struct wilc_vif *vif = netdev_priv(netdev);
943
944 memset(&vif->priv.pmkid_list, 0, sizeof(struct wilc_pmkid_attr));
945
946 return 0;
947}
948
949static inline void wilc_wfi_cfg_parse_ch_attr(u8 *buf, u32 len, u8 sta_ch)
950{
951 struct wilc_attr_entry *e;
952 struct wilc_attr_ch_list *ch_list;
953 struct wilc_attr_oper_ch *op_ch;
954 u32 index = 0;
955 u8 ch_list_idx = 0;
956 u8 op_ch_idx = 0;
957
958 if (sta_ch == WILC_INVALID_CHANNEL)
959 return;
960
961 while (index + sizeof(*e) <= len) {
962 u16 attr_size;
963
964 e = (struct wilc_attr_entry *)&buf[index];
965 attr_size = le16_to_cpu(e->attr_len);
966
967 if (index + sizeof(*e) + attr_size > len)
968 return;
969
970 if (e->attr_type == IEEE80211_P2P_ATTR_CHANNEL_LIST &&
971 attr_size >= (sizeof(struct wilc_attr_ch_list) - sizeof(*e)))
972 ch_list_idx = index;
973 else if (e->attr_type == IEEE80211_P2P_ATTR_OPER_CHANNEL &&
974 attr_size == (sizeof(struct wilc_attr_oper_ch) - sizeof(*e)))
975 op_ch_idx = index;
976
977 if (ch_list_idx && op_ch_idx)
978 break;
979
980 index += sizeof(*e) + attr_size;
981 }
982
983 if (ch_list_idx) {
984 u16 elem_size;
985
986 ch_list = (struct wilc_attr_ch_list *)&buf[ch_list_idx];
987 /* the number of bytes following the final 'elem' member */
988 elem_size = le16_to_cpu(ch_list->attr_len) -
989 (sizeof(*ch_list) - sizeof(struct wilc_attr_entry));
990 for (unsigned int i = 0; i < elem_size;) {
991 struct wilc_ch_list_elem *e;
992
993 e = (struct wilc_ch_list_elem *)(ch_list->elem + i);
994
995 i += sizeof(*e);
996 if (i > elem_size)
997 break;
998
999 i += e->no_of_channels;
1000 if (i > elem_size)
1001 break;
1002
1003 if (e->op_class == WILC_WLAN_OPERATING_CLASS_2_4GHZ) {
1004 memset(e->ch_list, sta_ch, e->no_of_channels);
1005 break;
1006 }
1007 }
1008 }
1009
1010 if (op_ch_idx) {
1011 op_ch = (struct wilc_attr_oper_ch *)&buf[op_ch_idx];
1012 op_ch->op_class = WILC_WLAN_OPERATING_CLASS_2_4GHZ;
1013 op_ch->op_channel = sta_ch;
1014 }
1015}
1016
1017bool wilc_wfi_mgmt_frame_rx(struct wilc_vif *vif, u8 *buff, u32 size)
1018{
1019 struct wilc *wl = vif->wilc;
1020 struct wilc_priv *priv = &vif->priv;
1021 int freq;
1022
1023 freq = ieee80211_channel_to_frequency(wl->op_ch, NL80211_BAND_2GHZ);
1024
1025 return cfg80211_rx_mgmt(&priv->wdev, freq, 0, buff, size, 0);
1026}
1027
1028void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size)
1029{
1030 struct wilc *wl = vif->wilc;
1031 struct wilc_priv *priv = &vif->priv;
1032 struct host_if_drv *wfi_drv = priv->hif_drv;
1033 struct ieee80211_mgmt *mgmt;
1034 struct wilc_vendor_specific_ie *p;
1035 struct wilc_p2p_pub_act_frame *d;
1036 int ie_offset = offsetof(struct ieee80211_mgmt, u) + sizeof(*d);
1037 const u8 *vendor_ie;
1038 u32 header, pkt_offset;
1039 s32 freq;
1040
1041 header = get_unaligned_le32(buff - HOST_HDR_OFFSET);
1042 pkt_offset = FIELD_GET(WILC_PKT_HDR_OFFSET_FIELD, header);
1043
1044 if (pkt_offset & IS_MANAGMEMENT_CALLBACK) {
1045 bool ack = false;
1046 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)buff;
1047
1048 if (ieee80211_is_probe_resp(hdr->frame_control) ||
1049 pkt_offset & IS_MGMT_STATUS_SUCCES)
1050 ack = true;
1051
1052 cfg80211_mgmt_tx_status(&priv->wdev, priv->tx_cookie, buff,
1053 size, ack, GFP_KERNEL);
1054 return;
1055 }
1056
1057 freq = ieee80211_channel_to_frequency(wl->op_ch, NL80211_BAND_2GHZ);
1058
1059 mgmt = (struct ieee80211_mgmt *)buff;
1060 if (!ieee80211_is_action(mgmt->frame_control))
1061 goto out_rx_mgmt;
1062
1063 if (priv->cfg_scanning &&
1064 time_after_eq(jiffies, (unsigned long)wfi_drv->p2p_timeout)) {
1065 netdev_dbg(vif->ndev, "Receiving action wrong ch\n");
1066 return;
1067 }
1068
1069 if (!ieee80211_is_public_action((struct ieee80211_hdr *)buff, size))
1070 goto out_rx_mgmt;
1071
1072 d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action);
1073 if (d->oui_subtype != GO_NEG_REQ && d->oui_subtype != GO_NEG_RSP &&
1074 d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP)
1075 goto out_rx_mgmt;
1076
1077 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1078 buff + ie_offset, size - ie_offset);
1079 if (!vendor_ie)
1080 goto out_rx_mgmt;
1081
1082 p = (struct wilc_vendor_specific_ie *)vendor_ie;
1083 wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch);
1084
1085out_rx_mgmt:
1086 cfg80211_rx_mgmt(&priv->wdev, freq, 0, buff, size, 0);
1087}
1088
1089static void wilc_wfi_mgmt_tx_complete(void *priv, int status)
1090{
1091 struct wilc_p2p_mgmt_data *pv_data = priv;
1092
1093 kfree(pv_data->buff);
1094 kfree(pv_data);
1095}
1096
1097static void wilc_wfi_remain_on_channel_expired(void *data, u64 cookie)
1098{
1099 struct wilc_vif *vif = data;
1100 struct wilc_priv *priv = &vif->priv;
1101 struct wilc_wfi_p2p_listen_params *params = &priv->remain_on_ch_params;
1102
1103 if (cookie != params->listen_cookie)
1104 return;
1105
1106 priv->p2p_listen_state = false;
1107
1108 cfg80211_remain_on_channel_expired(&priv->wdev, params->listen_cookie,
1109 params->listen_ch, GFP_KERNEL);
1110}
1111
1112static int remain_on_channel(struct wiphy *wiphy,
1113 struct wireless_dev *wdev,
1114 struct ieee80211_channel *chan,
1115 unsigned int duration, u64 *cookie)
1116{
1117 int ret = 0;
1118 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1119 struct wilc_priv *priv = &vif->priv;
1120 u64 id;
1121
1122 if (wdev->iftype == NL80211_IFTYPE_AP) {
1123 netdev_dbg(vif->ndev, "Required while in AP mode\n");
1124 return ret;
1125 }
1126
1127 id = ++priv->inc_roc_cookie;
1128 if (id == 0)
1129 id = ++priv->inc_roc_cookie;
1130
1131 ret = wilc_remain_on_channel(vif, id, duration, chan->hw_value,
1132 wilc_wfi_remain_on_channel_expired,
1133 (void *)vif);
1134 if (ret)
1135 return ret;
1136
1137 vif->wilc->op_ch = chan->hw_value;
1138
1139 priv->remain_on_ch_params.listen_ch = chan;
1140 priv->remain_on_ch_params.listen_cookie = id;
1141 *cookie = id;
1142 priv->p2p_listen_state = true;
1143 priv->remain_on_ch_params.listen_duration = duration;
1144
1145 cfg80211_ready_on_channel(wdev, *cookie, chan, duration, GFP_KERNEL);
1146 mod_timer(&vif->hif_drv->remain_on_ch_timer,
1147 jiffies + msecs_to_jiffies(duration + 1000));
1148
1149 return ret;
1150}
1151
1152static int cancel_remain_on_channel(struct wiphy *wiphy,
1153 struct wireless_dev *wdev,
1154 u64 cookie)
1155{
1156 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1157 struct wilc_priv *priv = &vif->priv;
1158
1159 if (cookie != priv->remain_on_ch_params.listen_cookie)
1160 return -ENOENT;
1161
1162 return wilc_listen_state_expired(vif, cookie);
1163}
1164
1165static int mgmt_tx(struct wiphy *wiphy,
1166 struct wireless_dev *wdev,
1167 struct cfg80211_mgmt_tx_params *params,
1168 u64 *cookie)
1169{
1170 struct ieee80211_channel *chan = params->chan;
1171 unsigned int wait = params->wait;
1172 const u8 *buf = params->buf;
1173 size_t len = params->len;
1174 const struct ieee80211_mgmt *mgmt;
1175 struct wilc_p2p_mgmt_data *mgmt_tx;
1176 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1177 struct wilc_priv *priv = &vif->priv;
1178 struct host_if_drv *wfi_drv = priv->hif_drv;
1179 struct wilc_vendor_specific_ie *p;
1180 struct wilc_p2p_pub_act_frame *d;
1181 int ie_offset = offsetof(struct ieee80211_mgmt, u) + sizeof(*d);
1182 const u8 *vendor_ie;
1183 int ret = 0;
1184
1185 *cookie = get_random_u32();
1186 priv->tx_cookie = *cookie;
1187 mgmt = (const struct ieee80211_mgmt *)buf;
1188
1189 if (!ieee80211_is_mgmt(mgmt->frame_control))
1190 goto out;
1191
1192 mgmt_tx = kmalloc(sizeof(*mgmt_tx), GFP_KERNEL);
1193 if (!mgmt_tx) {
1194 ret = -ENOMEM;
1195 goto out;
1196 }
1197
1198 mgmt_tx->buff = kmemdup(buf, len, GFP_KERNEL);
1199 if (!mgmt_tx->buff) {
1200 ret = -ENOMEM;
1201 kfree(mgmt_tx);
1202 goto out;
1203 }
1204
1205 mgmt_tx->size = len;
1206
1207 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
1208 wilc_set_mac_chnl_num(vif, chan->hw_value);
1209 vif->wilc->op_ch = chan->hw_value;
1210 goto out_txq_add_pkt;
1211 }
1212
1213 if (!ieee80211_is_public_action((struct ieee80211_hdr *)buf, len)) {
1214 if (chan)
1215 wilc_set_mac_chnl_num(vif, chan->hw_value);
1216 else
1217 wilc_set_mac_chnl_num(vif, vif->wilc->op_ch);
1218
1219 goto out_set_timeout;
1220 }
1221
1222 d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action);
1223 if (d->oui_type != WLAN_OUI_TYPE_WFA_P2P ||
1224 d->oui_subtype != GO_NEG_CONF) {
1225 wilc_set_mac_chnl_num(vif, chan->hw_value);
1226 vif->wilc->op_ch = chan->hw_value;
1227 }
1228
1229 if (d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP)
1230 goto out_set_timeout;
1231
1232 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1233 mgmt_tx->buff + ie_offset,
1234 len - ie_offset);
1235 if (!vendor_ie)
1236 goto out_set_timeout;
1237
1238 p = (struct wilc_vendor_specific_ie *)vendor_ie;
1239 wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch);
1240
1241out_set_timeout:
1242 wfi_drv->p2p_timeout = (jiffies + msecs_to_jiffies(wait));
1243
1244out_txq_add_pkt:
1245
1246 wilc_wlan_txq_add_mgmt_pkt(wdev->netdev, mgmt_tx,
1247 mgmt_tx->buff, mgmt_tx->size,
1248 wilc_wfi_mgmt_tx_complete);
1249
1250out:
1251
1252 return ret;
1253}
1254
1255static int mgmt_tx_cancel_wait(struct wiphy *wiphy,
1256 struct wireless_dev *wdev,
1257 u64 cookie)
1258{
1259 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1260 struct wilc_priv *priv = &vif->priv;
1261 struct host_if_drv *wfi_drv = priv->hif_drv;
1262
1263 wfi_drv->p2p_timeout = jiffies;
1264
1265 if (!priv->p2p_listen_state) {
1266 struct wilc_wfi_p2p_listen_params *params;
1267
1268 params = &priv->remain_on_ch_params;
1269
1270 cfg80211_remain_on_channel_expired(wdev,
1271 params->listen_cookie,
1272 params->listen_ch,
1273 GFP_KERNEL);
1274 }
1275
1276 return 0;
1277}
1278
1279void wilc_update_mgmt_frame_registrations(struct wiphy *wiphy,
1280 struct wireless_dev *wdev,
1281 struct mgmt_frame_regs *upd)
1282{
1283 struct wilc *wl = wiphy_priv(wiphy);
1284 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1285 u32 presp_bit = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
1286 u32 action_bit = BIT(IEEE80211_STYPE_ACTION >> 4);
1287 u32 pauth_bit = BIT(IEEE80211_STYPE_AUTH >> 4);
1288
1289 if (wl->initialized) {
1290 bool prev = vif->mgmt_reg_stypes & presp_bit;
1291 bool now = upd->interface_stypes & presp_bit;
1292
1293 if (now != prev)
1294 wilc_frame_register(vif, IEEE80211_STYPE_PROBE_REQ, now);
1295
1296 prev = vif->mgmt_reg_stypes & action_bit;
1297 now = upd->interface_stypes & action_bit;
1298
1299 if (now != prev)
1300 wilc_frame_register(vif, IEEE80211_STYPE_ACTION, now);
1301
1302 prev = vif->mgmt_reg_stypes & pauth_bit;
1303 now = upd->interface_stypes & pauth_bit;
1304 if (now != prev)
1305 wilc_frame_register(vif, IEEE80211_STYPE_AUTH, now);
1306 }
1307
1308 vif->mgmt_reg_stypes =
1309 upd->interface_stypes & (presp_bit | action_bit | pauth_bit);
1310}
1311
1312static int external_auth(struct wiphy *wiphy, struct net_device *dev,
1313 struct cfg80211_external_auth_params *auth)
1314{
1315 struct wilc_vif *vif = netdev_priv(dev);
1316
1317 if (auth->status == WLAN_STATUS_SUCCESS)
1318 wilc_set_external_auth_param(vif, auth);
1319
1320 return 0;
1321}
1322
1323static int set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev,
1324 s32 rssi_thold, u32 rssi_hyst)
1325{
1326 return 0;
1327}
1328
1329static int dump_station(struct wiphy *wiphy, struct net_device *dev,
1330 int idx, u8 *mac, struct station_info *sinfo)
1331{
1332 struct wilc_vif *vif = netdev_priv(dev);
1333 int ret;
1334
1335 if (idx != 0)
1336 return -ENOENT;
1337
1338 ret = wilc_get_rssi(vif, &sinfo->signal);
1339 if (ret)
1340 return ret;
1341
1342 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1343 memcpy(mac, vif->priv.associated_bss, ETH_ALEN);
1344 return 0;
1345}
1346
1347static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1348 bool enabled, int timeout)
1349{
1350 struct wilc_vif *vif = netdev_priv(dev);
1351 struct wilc_priv *priv = &vif->priv;
1352
1353 if (!priv->hif_drv)
1354 return -EIO;
1355
1356 wilc_set_power_mgmt(vif, enabled, timeout);
1357
1358 return 0;
1359}
1360
1361static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev,
1362 enum nl80211_iftype type,
1363 struct vif_params *params)
1364{
1365 struct wilc *wl = wiphy_priv(wiphy);
1366 struct wilc_vif *vif = netdev_priv(dev);
1367 struct wilc_priv *priv = &vif->priv;
1368
1369 switch (type) {
1370 case NL80211_IFTYPE_STATION:
1371 vif->connecting = false;
1372 dev->ieee80211_ptr->iftype = type;
1373 priv->wdev.iftype = type;
1374 vif->monitor_flag = 0;
1375 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE)
1376 wilc_wfi_deinit_mon_interface(wl, true);
1377 vif->iftype = WILC_STATION_MODE;
1378
1379 if (wl->initialized)
1380 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1381 WILC_STATION_MODE, vif->idx);
1382
1383 memset(priv->assoc_stainfo.sta_associated_bss, 0,
1384 WILC_MAX_NUM_STA * ETH_ALEN);
1385 break;
1386
1387 case NL80211_IFTYPE_P2P_CLIENT:
1388 vif->connecting = false;
1389 dev->ieee80211_ptr->iftype = type;
1390 priv->wdev.iftype = type;
1391 vif->monitor_flag = 0;
1392 vif->iftype = WILC_CLIENT_MODE;
1393
1394 if (wl->initialized)
1395 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1396 WILC_STATION_MODE, vif->idx);
1397 break;
1398
1399 case NL80211_IFTYPE_AP:
1400 dev->ieee80211_ptr->iftype = type;
1401 priv->wdev.iftype = type;
1402 vif->iftype = WILC_AP_MODE;
1403
1404 if (wl->initialized)
1405 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1406 WILC_AP_MODE, vif->idx);
1407 break;
1408
1409 case NL80211_IFTYPE_P2P_GO:
1410 dev->ieee80211_ptr->iftype = type;
1411 priv->wdev.iftype = type;
1412 vif->iftype = WILC_GO_MODE;
1413
1414 if (wl->initialized)
1415 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1416 WILC_AP_MODE, vif->idx);
1417 break;
1418
1419 default:
1420 netdev_err(dev, "Unknown interface type= %d\n", type);
1421 return -EINVAL;
1422 }
1423
1424 return 0;
1425}
1426
1427static int start_ap(struct wiphy *wiphy, struct net_device *dev,
1428 struct cfg80211_ap_settings *settings)
1429{
1430 struct wilc_vif *vif = netdev_priv(dev);
1431 int ret;
1432
1433 ret = set_channel(wiphy, &settings->chandef);
1434 if (ret != 0)
1435 netdev_err(dev, "Error in setting channel\n");
1436
1437 wilc_wlan_set_bssid(dev, dev->dev_addr, WILC_AP_MODE);
1438
1439 return wilc_add_beacon(vif, settings->beacon_interval,
1440 settings->dtim_period, &settings->beacon);
1441}
1442
1443static int change_beacon(struct wiphy *wiphy, struct net_device *dev,
1444 struct cfg80211_beacon_data *beacon)
1445{
1446 struct wilc_vif *vif = netdev_priv(dev);
1447
1448 return wilc_add_beacon(vif, 0, 0, beacon);
1449}
1450
1451static int stop_ap(struct wiphy *wiphy, struct net_device *dev,
1452 unsigned int link_id)
1453{
1454 int ret;
1455 struct wilc_vif *vif = netdev_priv(dev);
1456
1457 wilc_wlan_set_bssid(dev, NULL, WILC_AP_MODE);
1458
1459 ret = wilc_del_beacon(vif);
1460
1461 if (ret)
1462 netdev_err(dev, "Host delete beacon fail\n");
1463
1464 return ret;
1465}
1466
1467static int add_station(struct wiphy *wiphy, struct net_device *dev,
1468 const u8 *mac, struct station_parameters *params)
1469{
1470 int ret = 0;
1471 struct wilc_vif *vif = netdev_priv(dev);
1472 struct wilc_priv *priv = &vif->priv;
1473
1474 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
1475 memcpy(priv->assoc_stainfo.sta_associated_bss[params->aid], mac,
1476 ETH_ALEN);
1477
1478 ret = wilc_add_station(vif, mac, params);
1479 if (ret)
1480 netdev_err(dev, "Host add station fail\n");
1481 }
1482
1483 return ret;
1484}
1485
1486static int del_station(struct wiphy *wiphy, struct net_device *dev,
1487 struct station_del_parameters *params)
1488{
1489 const u8 *mac = params->mac;
1490 int ret = 0;
1491 struct wilc_vif *vif = netdev_priv(dev);
1492 struct wilc_priv *priv = &vif->priv;
1493 struct sta_info *info;
1494
1495 if (!(vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE))
1496 return ret;
1497
1498 info = &priv->assoc_stainfo;
1499
1500 if (!mac)
1501 ret = wilc_del_allstation(vif, info->sta_associated_bss);
1502
1503 ret = wilc_del_station(vif, mac);
1504 if (ret)
1505 netdev_err(dev, "Host delete station fail\n");
1506 return ret;
1507}
1508
1509static int change_station(struct wiphy *wiphy, struct net_device *dev,
1510 const u8 *mac, struct station_parameters *params)
1511{
1512 int ret = 0;
1513 struct wilc_vif *vif = netdev_priv(dev);
1514
1515 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
1516 ret = wilc_edit_station(vif, mac, params);
1517 if (ret)
1518 netdev_err(dev, "Host edit station fail\n");
1519 }
1520 return ret;
1521}
1522
1523static struct wilc_vif *wilc_get_vif_from_type(struct wilc *wl, int type)
1524{
1525 struct wilc_vif *vif;
1526
1527 list_for_each_entry_rcu(vif, &wl->vif_list, list) {
1528 if (vif->iftype == type)
1529 return vif;
1530 }
1531
1532 return NULL;
1533}
1534
1535static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy,
1536 const char *name,
1537 unsigned char name_assign_type,
1538 enum nl80211_iftype type,
1539 struct vif_params *params)
1540{
1541 struct wilc *wl = wiphy_priv(wiphy);
1542 struct wilc_vif *vif;
1543 struct wireless_dev *wdev;
1544 int iftype;
1545
1546 if (type == NL80211_IFTYPE_MONITOR) {
1547 struct net_device *ndev;
1548 int srcu_idx;
1549
1550 srcu_idx = srcu_read_lock(&wl->srcu);
1551 vif = wilc_get_vif_from_type(wl, WILC_AP_MODE);
1552 if (!vif) {
1553 vif = wilc_get_vif_from_type(wl, WILC_GO_MODE);
1554 if (!vif) {
1555 srcu_read_unlock(&wl->srcu, srcu_idx);
1556 goto validate_interface;
1557 }
1558 }
1559
1560 if (vif->monitor_flag) {
1561 srcu_read_unlock(&wl->srcu, srcu_idx);
1562 goto validate_interface;
1563 }
1564
1565 ndev = wilc_wfi_init_mon_interface(wl, name, vif->ndev);
1566 if (ndev) {
1567 vif->monitor_flag = 1;
1568 } else {
1569 srcu_read_unlock(&wl->srcu, srcu_idx);
1570 return ERR_PTR(-EINVAL);
1571 }
1572
1573 wdev = &vif->priv.wdev;
1574 srcu_read_unlock(&wl->srcu, srcu_idx);
1575 return wdev;
1576 }
1577
1578validate_interface:
1579 mutex_lock(&wl->vif_mutex);
1580 if (wl->vif_num == WILC_NUM_CONCURRENT_IFC) {
1581 pr_err("Reached maximum number of interface\n");
1582 mutex_unlock(&wl->vif_mutex);
1583 return ERR_PTR(-EINVAL);
1584 }
1585 mutex_unlock(&wl->vif_mutex);
1586
1587 switch (type) {
1588 case NL80211_IFTYPE_STATION:
1589 iftype = WILC_STATION_MODE;
1590 break;
1591 case NL80211_IFTYPE_AP:
1592 iftype = WILC_AP_MODE;
1593 break;
1594 default:
1595 return ERR_PTR(-EOPNOTSUPP);
1596 }
1597
1598 vif = wilc_netdev_ifc_init(wl, name, iftype, type, true);
1599 if (IS_ERR(vif))
1600 return ERR_CAST(vif);
1601
1602 return &vif->priv.wdev;
1603}
1604
1605static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
1606{
1607 struct wilc *wl = wiphy_priv(wiphy);
1608 struct wilc_vif *vif;
1609
1610 if (wdev->iftype == NL80211_IFTYPE_AP ||
1611 wdev->iftype == NL80211_IFTYPE_P2P_GO)
1612 wilc_wfi_deinit_mon_interface(wl, true);
1613 vif = netdev_priv(wdev->netdev);
1614 cfg80211_stop_iface(wiphy, wdev, GFP_KERNEL);
1615 cfg80211_unregister_netdevice(vif->ndev);
1616 vif->monitor_flag = 0;
1617
1618 wilc_set_operation_mode(vif, 0, 0, 0);
1619 mutex_lock(&wl->vif_mutex);
1620 list_del_rcu(&vif->list);
1621 wl->vif_num--;
1622 mutex_unlock(&wl->vif_mutex);
1623 synchronize_srcu(&wl->srcu);
1624 return 0;
1625}
1626
1627static int wilc_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow)
1628{
1629 struct wilc *wl = wiphy_priv(wiphy);
1630
1631 if (!wow && wilc_wlan_get_num_conn_ifcs(wl))
1632 wl->suspend_event = true;
1633 else
1634 wl->suspend_event = false;
1635
1636 return 0;
1637}
1638
1639static int wilc_resume(struct wiphy *wiphy)
1640{
1641 return 0;
1642}
1643
1644static void wilc_set_wakeup(struct wiphy *wiphy, bool enabled)
1645{
1646 struct wilc *wl = wiphy_priv(wiphy);
1647 struct wilc_vif *vif;
1648 int srcu_idx;
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;
1655 }
1656
1657 netdev_info(vif->ndev, "cfg set wake up = %d\n", enabled);
1658 wilc_set_wowlan_trigger(vif, enabled);
1659 srcu_read_unlock(&wl->srcu, srcu_idx);
1660}
1661
1662static int set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1663 enum nl80211_tx_power_setting type, int mbm)
1664{
1665 int ret;
1666 int srcu_idx;
1667 s32 tx_power = MBM_TO_DBM(mbm);
1668 struct wilc *wl = wiphy_priv(wiphy);
1669 struct wilc_vif *vif;
1670
1671 if (!wl->initialized)
1672 return -EIO;
1673
1674 srcu_idx = srcu_read_lock(&wl->srcu);
1675 vif = wilc_get_wl_to_vif(wl);
1676 if (IS_ERR(vif)) {
1677 srcu_read_unlock(&wl->srcu, srcu_idx);
1678 return -EINVAL;
1679 }
1680
1681 netdev_info(vif->ndev, "Setting tx power %d\n", tx_power);
1682 if (tx_power < 0)
1683 tx_power = 0;
1684 else if (tx_power > 18)
1685 tx_power = 18;
1686 ret = wilc_set_tx_power(vif, tx_power);
1687 if (ret)
1688 netdev_err(vif->ndev, "Failed to set tx power\n");
1689 srcu_read_unlock(&wl->srcu, srcu_idx);
1690
1691 return ret;
1692}
1693
1694static int get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1695 int *dbm)
1696{
1697 int ret;
1698 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1699 struct wilc *wl = vif->wilc;
1700
1701 /* If firmware is not started, return. */
1702 if (!wl->initialized)
1703 return -EIO;
1704
1705 ret = wilc_get_tx_power(vif, (u8 *)dbm);
1706 if (ret)
1707 netdev_err(vif->ndev, "Failed to get tx power\n");
1708
1709 return ret;
1710}
1711
1712static const struct cfg80211_ops wilc_cfg80211_ops = {
1713 .set_monitor_channel = set_channel,
1714 .scan = scan,
1715 .connect = connect,
1716 .disconnect = disconnect,
1717 .add_key = add_key,
1718 .del_key = del_key,
1719 .get_key = get_key,
1720 .set_default_key = set_default_key,
1721 .set_default_mgmt_key = set_default_mgmt_key,
1722 .add_virtual_intf = add_virtual_intf,
1723 .del_virtual_intf = del_virtual_intf,
1724 .change_virtual_intf = change_virtual_intf,
1725
1726 .start_ap = start_ap,
1727 .change_beacon = change_beacon,
1728 .stop_ap = stop_ap,
1729 .add_station = add_station,
1730 .del_station = del_station,
1731 .change_station = change_station,
1732 .get_station = get_station,
1733 .dump_station = dump_station,
1734 .change_bss = change_bss,
1735 .set_wiphy_params = set_wiphy_params,
1736
1737 .external_auth = external_auth,
1738 .set_pmksa = set_pmksa,
1739 .del_pmksa = del_pmksa,
1740 .flush_pmksa = flush_pmksa,
1741 .remain_on_channel = remain_on_channel,
1742 .cancel_remain_on_channel = cancel_remain_on_channel,
1743 .mgmt_tx_cancel_wait = mgmt_tx_cancel_wait,
1744 .mgmt_tx = mgmt_tx,
1745 .update_mgmt_frame_registrations = wilc_update_mgmt_frame_registrations,
1746 .set_power_mgmt = set_power_mgmt,
1747 .set_cqm_rssi_config = set_cqm_rssi_config,
1748
1749 .suspend = wilc_suspend,
1750 .resume = wilc_resume,
1751 .set_wakeup = wilc_set_wakeup,
1752 .set_tx_power = set_tx_power,
1753 .get_tx_power = get_tx_power,
1754
1755};
1756
1757static void wlan_init_locks(struct wilc *wl)
1758{
1759 mutex_init(&wl->hif_cs);
1760 mutex_init(&wl->rxq_cs);
1761 mutex_init(&wl->cfg_cmd_lock);
1762 mutex_init(&wl->vif_mutex);
1763 mutex_init(&wl->deinit_lock);
1764
1765 spin_lock_init(&wl->txq_spinlock);
1766 mutex_init(&wl->txq_add_to_head_cs);
1767
1768 init_completion(&wl->txq_event);
1769 init_completion(&wl->cfg_event);
1770 init_completion(&wl->sync_event);
1771 init_completion(&wl->txq_thread_started);
1772 init_srcu_struct(&wl->srcu);
1773}
1774
1775void wlan_deinit_locks(struct wilc *wilc)
1776{
1777 mutex_destroy(&wilc->hif_cs);
1778 mutex_destroy(&wilc->rxq_cs);
1779 mutex_destroy(&wilc->cfg_cmd_lock);
1780 mutex_destroy(&wilc->txq_add_to_head_cs);
1781 mutex_destroy(&wilc->vif_mutex);
1782 mutex_destroy(&wilc->deinit_lock);
1783 cleanup_srcu_struct(&wilc->srcu);
1784}
1785
1786int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type,
1787 const struct wilc_hif_func *ops)
1788{
1789 struct wilc *wl;
1790 struct wilc_vif *vif;
1791 int ret, i;
1792
1793 wl = wilc_create_wiphy(dev);
1794 if (!wl)
1795 return -EINVAL;
1796
1797 wlan_init_locks(wl);
1798
1799 ret = wilc_wlan_cfg_init(wl);
1800 if (ret)
1801 goto free_wl;
1802
1803 *wilc = wl;
1804 wl->io_type = io_type;
1805 wl->hif_func = ops;
1806
1807 for (i = 0; i < NQUEUES; i++)
1808 INIT_LIST_HEAD(&wl->txq[i].txq_head.list);
1809
1810 INIT_LIST_HEAD(&wl->rxq_head.list);
1811 INIT_LIST_HEAD(&wl->vif_list);
1812
1813 vif = wilc_netdev_ifc_init(wl, "wlan%d", WILC_STATION_MODE,
1814 NL80211_IFTYPE_STATION, false);
1815 if (IS_ERR(vif)) {
1816 ret = PTR_ERR(vif);
1817 goto free_cfg;
1818 }
1819
1820 return 0;
1821
1822free_cfg:
1823 wilc_wlan_cfg_deinit(wl);
1824
1825free_wl:
1826 wlan_deinit_locks(wl);
1827 wiphy_unregister(wl->wiphy);
1828 wiphy_free(wl->wiphy);
1829 return ret;
1830}
1831EXPORT_SYMBOL_GPL(wilc_cfg80211_init);
1832
1833struct wilc *wilc_create_wiphy(struct device *dev)
1834{
1835 struct wiphy *wiphy;
1836 struct wilc *wl;
1837 int ret;
1838
1839 wiphy = wiphy_new(&wilc_cfg80211_ops, sizeof(*wl));
1840 if (!wiphy)
1841 return NULL;
1842
1843 wl = wiphy_priv(wiphy);
1844
1845 memcpy(wl->bitrates, wilc_bitrates, sizeof(wilc_bitrates));
1846 memcpy(wl->channels, wilc_2ghz_channels, sizeof(wilc_2ghz_channels));
1847 wl->band.bitrates = wl->bitrates;
1848 wl->band.n_bitrates = ARRAY_SIZE(wl->bitrates);
1849 wl->band.channels = wl->channels;
1850 wl->band.n_channels = ARRAY_SIZE(wilc_2ghz_channels);
1851
1852 wl->band.ht_cap.ht_supported = 1;
1853 wl->band.ht_cap.cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1854 wl->band.ht_cap.mcs.rx_mask[0] = 0xff;
1855 wl->band.ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K;
1856 wl->band.ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
1857
1858 wiphy->bands[NL80211_BAND_2GHZ] = &wl->band;
1859
1860 wiphy->max_scan_ssids = WILC_MAX_NUM_PROBED_SSID;
1861#ifdef CONFIG_PM
1862 wiphy->wowlan = &wowlan_support;
1863#endif
1864 wiphy->max_num_pmkids = WILC_MAX_NUM_PMKIDS;
1865 wiphy->max_scan_ie_len = 1000;
1866 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1867 memcpy(wl->cipher_suites, wilc_cipher_suites,
1868 sizeof(wilc_cipher_suites));
1869 wiphy->cipher_suites = wl->cipher_suites;
1870 wiphy->n_cipher_suites = ARRAY_SIZE(wilc_cipher_suites);
1871 wiphy->mgmt_stypes = wilc_wfi_cfg80211_mgmt_types;
1872
1873 wiphy->max_remain_on_channel_duration = 500;
1874 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1875 BIT(NL80211_IFTYPE_AP) |
1876 BIT(NL80211_IFTYPE_MONITOR) |
1877 BIT(NL80211_IFTYPE_P2P_GO) |
1878 BIT(NL80211_IFTYPE_P2P_CLIENT);
1879 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
1880 wiphy->features |= NL80211_FEATURE_SAE;
1881 set_wiphy_dev(wiphy, dev);
1882 wl->wiphy = wiphy;
1883 ret = wiphy_register(wiphy);
1884 if (ret) {
1885 wiphy_free(wiphy);
1886 return NULL;
1887 }
1888 return wl;
1889}
1890
1891int wilc_init_host_int(struct net_device *net)
1892{
1893 int ret;
1894 struct wilc_vif *vif = netdev_priv(net);
1895 struct wilc_priv *priv = &vif->priv;
1896
1897 priv->p2p_listen_state = false;
1898
1899 mutex_init(&priv->scan_req_lock);
1900 ret = wilc_init(net, &priv->hif_drv);
1901 if (ret)
1902 netdev_err(net, "Error while initializing hostinterface\n");
1903
1904 return ret;
1905}
1906
1907void wilc_deinit_host_int(struct net_device *net)
1908{
1909 int ret;
1910 struct wilc_vif *vif = netdev_priv(net);
1911 struct wilc_priv *priv = &vif->priv;
1912
1913 priv->p2p_listen_state = false;
1914
1915 flush_workqueue(vif->wilc->hif_workqueue);
1916 mutex_destroy(&priv->scan_req_lock);
1917 ret = wilc_deinit(vif);
1918
1919 if (ret)
1920 netdev_err(net, "Error while deinitializing host interface\n");
1921}
1922