?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
drm/rockchip: Don't change hdmi reference clock rate
[drm/drm-misc.git] / drivers / net / wireless / microchip / wilc1000 / cfg80211.c
blobe96736cc7259b981ba01d04a622533953a04d717
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
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
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
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
233 static int set_channel(struct wiphy *wiphy,
234 struct net_device *dev,
235 struct cfg80211_chan_def *chandef)
236 {
237 struct wilc *wl = wiphy_priv(wiphy);
238 struct wilc_vif *vif;
239 u32 channelnum;
240 int result;
241 int srcu_idx;
242
243 srcu_idx = srcu_read_lock(&wl->srcu);
244 vif = wilc_get_wl_to_vif(wl);
245 if (IS_ERR(vif)) {
246 srcu_read_unlock(&wl->srcu, srcu_idx);
247 return PTR_ERR(vif);
248 }
249
250 channelnum = ieee80211_frequency_to_channel(chandef->chan->center_freq);
251
252 wl->op_ch = channelnum;
253 result = wilc_set_mac_chnl_num(vif, channelnum);
254 if (result)
255 netdev_err(vif->ndev, "Error in setting channel\n");
256
257 srcu_read_unlock(&wl->srcu, srcu_idx);
258 return result;
259 }
260
261 static int scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
262 {
263 struct wilc_vif *vif = netdev_priv(request->wdev->netdev);
264 struct wilc_priv *priv = &vif->priv;
265 u32 i;
266 int ret = 0;
267 u8 scan_ch_list[WILC_MAX_NUM_SCANNED_CH];
268 u8 scan_type;
269
270 if (request->n_channels > WILC_MAX_NUM_SCANNED_CH) {
271 netdev_err(vif->ndev, "Requested scanned channels over\n");
272 return -EINVAL;
273 }
274
275 priv->scan_req = request;
276 priv->cfg_scanning = true;
277 for (i = 0; i < request->n_channels; i++) {
278 u16 freq = request->channels[i]->center_freq;
279
280 scan_ch_list[i] = ieee80211_frequency_to_channel(freq);
281 }
282
283 if (request->n_ssids)
284 scan_type = WILC_FW_ACTIVE_SCAN;
285 else
286 scan_type = WILC_FW_PASSIVE_SCAN;
287
288 ret = wilc_scan(vif, WILC_FW_USER_SCAN, scan_type,
289 scan_ch_list, cfg_scan_result, request);
290
291 if (ret) {
292 priv->scan_req = NULL;
293 priv->cfg_scanning = false;
294 }
295
296 return ret;
297 }
298
299 static int connect(struct wiphy *wiphy, struct net_device *dev,
300 struct cfg80211_connect_params *sme)
301 {
302 struct wilc_vif *vif = netdev_priv(dev);
303 struct wilc_priv *priv = &vif->priv;
304 struct host_if_drv *wfi_drv = priv->hif_drv;
305 int ret;
306 u32 i;
307 u8 security = WILC_FW_SEC_NO;
308 enum mfptype mfp_type = WILC_FW_MFP_NONE;
309 enum authtype auth_type = WILC_FW_AUTH_ANY;
310 u32 cipher_group;
311 struct cfg80211_bss *bss;
312 void *join_params;
313 u8 ch;
314
315 vif->connecting = true;
316
317 cipher_group = sme->crypto.cipher_group;
318 if (cipher_group != 0) {
319 if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) {
320 if (cipher_group == WLAN_CIPHER_SUITE_TKIP)
321 security = WILC_FW_SEC_WPA2_TKIP;
322 else
323 security = WILC_FW_SEC_WPA2_AES;
324 } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) {
325 if (cipher_group == WLAN_CIPHER_SUITE_TKIP)
326 security = WILC_FW_SEC_WPA_TKIP;
327 else
328 security = WILC_FW_SEC_WPA_AES;
329 } else {
330 ret = -ENOTSUPP;
331 netdev_err(dev, "%s: Unsupported cipher\n",
332 __func__);
333 goto out_error;
334 }
335 }
336
337 if ((sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) ||
338 (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)) {
339 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) {
340 u32 ciphers_pairwise = sme->crypto.ciphers_pairwise[i];
341
342 if (ciphers_pairwise == WLAN_CIPHER_SUITE_TKIP)
343 security |= WILC_FW_TKIP;
344 else
345 security |= WILC_FW_AES;
346 }
347 }
348
349 switch (sme->auth_type) {
350 case NL80211_AUTHTYPE_OPEN_SYSTEM:
351 auth_type = WILC_FW_AUTH_OPEN_SYSTEM;
352 break;
353
354 case NL80211_AUTHTYPE_SAE:
355 auth_type = WILC_FW_AUTH_SAE;
356 if (sme->ssid_len) {
357 memcpy(vif->auth.ssid.ssid, sme->ssid, sme->ssid_len);
358 vif->auth.ssid.ssid_len = sme->ssid_len;
359 }
360 vif->auth.key_mgmt_suite = sme->crypto.akm_suites[0];
361 ether_addr_copy(vif->auth.bssid, sme->bssid);
362 break;
363
364 default:
365 break;
366 }
367
368 if (sme->crypto.n_akm_suites) {
369 if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_8021X)
370 auth_type = WILC_FW_AUTH_IEEE8021;
371 else if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_PSK_SHA256)
372 auth_type = WILC_FW_AUTH_OPEN_SYSTEM_SHA256;
373 else if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_8021X_SHA256)
374 auth_type = WILC_FW_AUTH_IEE8021X_SHA256;
375 }
376
377 if (wfi_drv->usr_scan_req.scan_result) {
378 netdev_err(vif->ndev, "%s: Scan in progress\n", __func__);
379 ret = -EBUSY;
380 goto out_error;
381 }
382
383 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, sme->ssid,
384 sme->ssid_len, IEEE80211_BSS_TYPE_ANY,
385 IEEE80211_PRIVACY(sme->privacy));
386 if (!bss) {
387 ret = -EINVAL;
388 goto out_error;
389 }
390
391 if (ether_addr_equal_unaligned(vif->bssid, bss->bssid)) {
392 ret = -EALREADY;
393 goto out_put_bss;
394 }
395
396 join_params = wilc_parse_join_bss_param(bss, &sme->crypto);
397 if (!join_params) {
398 netdev_err(dev, "%s: failed to construct join param\n",
399 __func__);
400 ret = -EINVAL;
401 goto out_put_bss;
402 }
403
404 ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
405 vif->wilc->op_ch = ch;
406 if (vif->iftype != WILC_CLIENT_MODE)
407 vif->wilc->sta_ch = ch;
408
409 wilc_wlan_set_bssid(dev, bss->bssid, WILC_STATION_MODE);
410
411 wfi_drv->conn_info.security = security;
412 wfi_drv->conn_info.auth_type = auth_type;
413 wfi_drv->conn_info.conn_result = cfg_connect_result;
414 wfi_drv->conn_info.priv = priv;
415 wfi_drv->conn_info.param = join_params;
416
417 if (sme->mfp == NL80211_MFP_OPTIONAL)
418 mfp_type = WILC_FW_MFP_OPTIONAL;
419 else if (sme->mfp == NL80211_MFP_REQUIRED)
420 mfp_type = WILC_FW_MFP_REQUIRED;
421
422 wfi_drv->conn_info.mfp_type = mfp_type;
423
424 ret = wilc_set_join_req(vif, bss->bssid, sme->ie, sme->ie_len);
425 if (ret) {
426 netdev_err(dev, "wilc_set_join_req(): Error\n");
427 ret = -ENOENT;
428 if (vif->iftype != WILC_CLIENT_MODE)
429 vif->wilc->sta_ch = WILC_INVALID_CHANNEL;
430 wilc_wlan_set_bssid(dev, NULL, WILC_STATION_MODE);
431 wfi_drv->conn_info.conn_result = NULL;
432 kfree(join_params);
433 goto out_put_bss;
434 }
435 kfree(join_params);
436 vif->bss = bss;
437 cfg80211_put_bss(wiphy, bss);
438 return 0;
439
440 out_put_bss:
441 cfg80211_put_bss(wiphy, bss);
442
443 out_error:
444 vif->connecting = false;
445 return ret;
446 }
447
448 static int disconnect(struct wiphy *wiphy, struct net_device *dev,
449 u16 reason_code)
450 {
451 struct wilc_vif *vif = netdev_priv(dev);
452 struct wilc_priv *priv = &vif->priv;
453 struct wilc *wilc = vif->wilc;
454 int ret;
455
456 vif->connecting = false;
457
458 if (!wilc)
459 return -EIO;
460
461 if (wilc->close) {
462 /* already disconnected done */
463 cfg80211_disconnected(dev, 0, NULL, 0, true, GFP_KERNEL);
464 return 0;
465 }
466
467 if (vif->iftype != WILC_CLIENT_MODE)
468 wilc->sta_ch = WILC_INVALID_CHANNEL;
469 wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
470
471 priv->hif_drv->p2p_timeout = 0;
472
473 ret = wilc_disconnect(vif);
474 if (ret != 0) {
475 netdev_err(priv->dev, "Error in disconnecting\n");
476 ret = -EINVAL;
477 }
478
479 vif->bss = NULL;
480
481 return ret;
482 }
483
484 static int wilc_wfi_cfg_allocate_wpa_entry(struct wilc_priv *priv, u8 idx)
485 {
486 if (!priv->wilc_gtk[idx]) {
487 priv->wilc_gtk[idx] = kzalloc(sizeof(*priv->wilc_gtk[idx]),
488 GFP_KERNEL);
489 if (!priv->wilc_gtk[idx])
490 return -ENOMEM;
491 }
492
493 if (!priv->wilc_ptk[idx]) {
494 priv->wilc_ptk[idx] = kzalloc(sizeof(*priv->wilc_ptk[idx]),
495 GFP_KERNEL);
496 if (!priv->wilc_ptk[idx])
497 return -ENOMEM;
498 }
499
500 return 0;
501 }
502
503 static int wilc_wfi_cfg_allocate_wpa_igtk_entry(struct wilc_priv *priv, u8 idx)
504 {
505 idx -= 4;
506 if (!priv->wilc_igtk[idx]) {
507 priv->wilc_igtk[idx] = kzalloc(sizeof(*priv->wilc_igtk[idx]),
508 GFP_KERNEL);
509 if (!priv->wilc_igtk[idx])
510 return -ENOMEM;
511 }
512 return 0;
513 }
514
515 static int wilc_wfi_cfg_copy_wpa_info(struct wilc_wfi_key *key_info,
516 struct key_params *params)
517 {
518 kfree(key_info->key);
519
520 key_info->key = kmemdup(params->key, params->key_len, GFP_KERNEL);
521 if (!key_info->key)
522 return -ENOMEM;
523
524 kfree(key_info->seq);
525
526 if (params->seq_len > 0) {
527 key_info->seq = kmemdup(params->seq, params->seq_len,
528 GFP_KERNEL);
529 if (!key_info->seq)
530 return -ENOMEM;
531 }
532
533 key_info->cipher = params->cipher;
534 key_info->key_len = params->key_len;
535 key_info->seq_len = params->seq_len;
536
537 return 0;
538 }
539
540 static int add_key(struct wiphy *wiphy, struct net_device *netdev, int link_id,
541 u8 key_index, bool pairwise, const u8 *mac_addr,
542 struct key_params *params)
543
544 {
545 int ret = 0, keylen = params->key_len;
546 const u8 *rx_mic = NULL;
547 const u8 *tx_mic = NULL;
548 u8 mode = WILC_FW_SEC_NO;
549 u8 op_mode;
550 struct wilc_vif *vif = netdev_priv(netdev);
551 struct wilc_priv *priv = &vif->priv;
552 struct wilc_wfi_key *key;
553
554 switch (params->cipher) {
555 case WLAN_CIPHER_SUITE_TKIP:
556 case WLAN_CIPHER_SUITE_CCMP:
557 if (priv->wdev.iftype == NL80211_IFTYPE_AP ||
558 priv->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
559 struct wilc_wfi_key *key;
560
561 ret = wilc_wfi_cfg_allocate_wpa_entry(priv, key_index);
562 if (ret)
563 return -ENOMEM;
564
565 if (params->key_len > 16 &&
566 params->cipher == WLAN_CIPHER_SUITE_TKIP) {
567 tx_mic = params->key + 24;
568 rx_mic = params->key + 16;
569 keylen = params->key_len - 16;
570 }
571
572 if (!pairwise) {
573 if (params->cipher == WLAN_CIPHER_SUITE_TKIP)
574 mode = WILC_FW_SEC_WPA_TKIP;
575 else
576 mode = WILC_FW_SEC_WPA2_AES;
577
578 priv->wilc_groupkey = mode;
579
580 key = priv->wilc_gtk[key_index];
581 } else {
582 if (params->cipher == WLAN_CIPHER_SUITE_TKIP)
583 mode = WILC_FW_SEC_WPA_TKIP;
584 else
585 mode = priv->wilc_groupkey | WILC_FW_AES;
586
587 key = priv->wilc_ptk[key_index];
588 }
589 ret = wilc_wfi_cfg_copy_wpa_info(key, params);
590 if (ret)
591 return -ENOMEM;
592
593 op_mode = WILC_AP_MODE;
594 } else {
595 if (params->key_len > 16 &&
596 params->cipher == WLAN_CIPHER_SUITE_TKIP) {
597 rx_mic = params->key + 24;
598 tx_mic = params->key + 16;
599 keylen = params->key_len - 16;
600 }
601
602 op_mode = WILC_STATION_MODE;
603 }
604
605 if (!pairwise)
606 ret = wilc_add_rx_gtk(vif, params->key, keylen,
607 key_index, params->seq_len,
608 params->seq, rx_mic, tx_mic,
609 op_mode, mode);
610 else
611 ret = wilc_add_ptk(vif, params->key, keylen, mac_addr,
612 rx_mic, tx_mic, op_mode, mode,
613 key_index);
614
615 break;
616 case WLAN_CIPHER_SUITE_AES_CMAC:
617 ret = wilc_wfi_cfg_allocate_wpa_igtk_entry(priv, key_index);
618 if (ret)
619 return -ENOMEM;
620
621 key = priv->wilc_igtk[key_index - 4];
622 ret = wilc_wfi_cfg_copy_wpa_info(key, params);
623 if (ret)
624 return -ENOMEM;
625
626 if (priv->wdev.iftype == NL80211_IFTYPE_AP ||
627 priv->wdev.iftype == NL80211_IFTYPE_P2P_GO)
628 op_mode = WILC_AP_MODE;
629 else
630 op_mode = WILC_STATION_MODE;
631
632 ret = wilc_add_igtk(vif, params->key, keylen, params->seq,
633 params->seq_len, mac_addr, op_mode,
634 key_index);
635 break;
636
637 default:
638 netdev_err(netdev, "%s: Unsupported cipher\n", __func__);
639 ret = -ENOTSUPP;
640 }
641
642 return ret;
643 }
644
645 static int del_key(struct wiphy *wiphy, struct net_device *netdev, int link_id,
646 u8 key_index,
647 bool pairwise,
648 const u8 *mac_addr)
649 {
650 struct wilc_vif *vif = netdev_priv(netdev);
651 struct wilc_priv *priv = &vif->priv;
652
653 if (!pairwise && (key_index == 4 || key_index == 5)) {
654 key_index -= 4;
655 if (priv->wilc_igtk[key_index]) {
656 kfree(priv->wilc_igtk[key_index]->key);
657 priv->wilc_igtk[key_index]->key = NULL;
658 kfree(priv->wilc_igtk[key_index]->seq);
659 priv->wilc_igtk[key_index]->seq = NULL;
660 kfree(priv->wilc_igtk[key_index]);
661 priv->wilc_igtk[key_index] = NULL;
662 }
663 } else {
664 if (priv->wilc_gtk[key_index]) {
665 kfree(priv->wilc_gtk[key_index]->key);
666 priv->wilc_gtk[key_index]->key = NULL;
667 kfree(priv->wilc_gtk[key_index]->seq);
668 priv->wilc_gtk[key_index]->seq = NULL;
669
670 kfree(priv->wilc_gtk[key_index]);
671 priv->wilc_gtk[key_index] = NULL;
672 }
673 if (priv->wilc_ptk[key_index]) {
674 kfree(priv->wilc_ptk[key_index]->key);
675 priv->wilc_ptk[key_index]->key = NULL;
676 kfree(priv->wilc_ptk[key_index]->seq);
677 priv->wilc_ptk[key_index]->seq = NULL;
678 kfree(priv->wilc_ptk[key_index]);
679 priv->wilc_ptk[key_index] = NULL;
680 }
681 }
682
683 return 0;
684 }
685
686 static int get_key(struct wiphy *wiphy, struct net_device *netdev, int link_id,
687 u8 key_index, bool pairwise, const u8 *mac_addr,
688 void *cookie,
689 void (*callback)(void *cookie, struct key_params *))
690 {
691 struct wilc_vif *vif = netdev_priv(netdev);
692 struct wilc_priv *priv = &vif->priv;
693 struct key_params key_params;
694
695 if (!pairwise) {
696 if (key_index == 4 || key_index == 5) {
697 key_index -= 4;
698 key_params.key = priv->wilc_igtk[key_index]->key;
699 key_params.cipher = priv->wilc_igtk[key_index]->cipher;
700 key_params.key_len = priv->wilc_igtk[key_index]->key_len;
701 key_params.seq = priv->wilc_igtk[key_index]->seq;
702 key_params.seq_len = priv->wilc_igtk[key_index]->seq_len;
703 } else {
704 key_params.key = priv->wilc_gtk[key_index]->key;
705 key_params.cipher = priv->wilc_gtk[key_index]->cipher;
706 key_params.key_len = priv->wilc_gtk[key_index]->key_len;
707 key_params.seq = priv->wilc_gtk[key_index]->seq;
708 key_params.seq_len = priv->wilc_gtk[key_index]->seq_len;
709 }
710 } else {
711 key_params.key = priv->wilc_ptk[key_index]->key;
712 key_params.cipher = priv->wilc_ptk[key_index]->cipher;
713 key_params.key_len = priv->wilc_ptk[key_index]->key_len;
714 key_params.seq = priv->wilc_ptk[key_index]->seq;
715 key_params.seq_len = priv->wilc_ptk[key_index]->seq_len;
716 }
717
718 callback(cookie, &key_params);
719
720 return 0;
721 }
722
723 /* wiphy_new_nm() will WARNON if not present */
724 static int set_default_key(struct wiphy *wiphy, struct net_device *netdev,
725 int link_id, u8 key_index, bool unicast,
726 bool multicast)
727 {
728 return 0;
729 }
730
731 static int set_default_mgmt_key(struct wiphy *wiphy, struct net_device *netdev,
732 int link_id, u8 key_index)
733 {
734 struct wilc_vif *vif = netdev_priv(netdev);
735
736 return wilc_set_default_mgmt_key_index(vif, key_index);
737 }
738
739 static int get_station(struct wiphy *wiphy, struct net_device *dev,
740 const u8 *mac, struct station_info *sinfo)
741 {
742 struct wilc_vif *vif = netdev_priv(dev);
743 struct wilc_priv *priv = &vif->priv;
744 struct wilc *wilc = vif->wilc;
745 u32 i = 0;
746 u32 associatedsta = ~0;
747 u32 inactive_time = 0;
748
749 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
750 for (i = 0; i < NUM_STA_ASSOCIATED; i++) {
751 if (!(memcmp(mac,
752 priv->assoc_stainfo.sta_associated_bss[i],
753 ETH_ALEN))) {
754 associatedsta = i;
755 break;
756 }
757 }
758
759 if (associatedsta == ~0) {
760 netdev_err(dev, "sta required is not associated\n");
761 return -ENOENT;
762 }
763
764 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME);
765
766 wilc_get_inactive_time(vif, mac, &inactive_time);
767 sinfo->inactive_time = 1000 * inactive_time;
768 } else if (vif->iftype == WILC_STATION_MODE) {
769 struct rf_info stats;
770
771 if (!wilc->initialized)
772 return -EBUSY;
773
774 wilc_get_statistics(vif, &stats);
775
776 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL) |
777 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
778 BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
779 BIT_ULL(NL80211_STA_INFO_TX_FAILED) |
780 BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
781
782 sinfo->signal = stats.rssi;
783 sinfo->rx_packets = stats.rx_cnt;
784 sinfo->tx_packets = stats.tx_cnt + stats.tx_fail_cnt;
785 sinfo->tx_failed = stats.tx_fail_cnt;
786 sinfo->txrate.legacy = stats.link_speed * 10;
787
788 if (stats.link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
789 stats.link_speed != DEFAULT_LINK_SPEED)
790 wilc_enable_tcp_ack_filter(vif, true);
791 else if (stats.link_speed != DEFAULT_LINK_SPEED)
792 wilc_enable_tcp_ack_filter(vif, false);
793 }
794 return 0;
795 }
796
797 static int change_bss(struct wiphy *wiphy, struct net_device *dev,
798 struct bss_parameters *params)
799 {
800 return 0;
801 }
802
803 static int set_wiphy_params(struct wiphy *wiphy, u32 changed)
804 {
805 int ret = -EINVAL;
806 struct cfg_param_attr cfg_param_val;
807 struct wilc *wl = wiphy_priv(wiphy);
808 struct wilc_vif *vif;
809 struct wilc_priv *priv;
810 int srcu_idx;
811
812 srcu_idx = srcu_read_lock(&wl->srcu);
813 vif = wilc_get_wl_to_vif(wl);
814 if (IS_ERR(vif))
815 goto out;
816
817 priv = &vif->priv;
818 cfg_param_val.flag = 0;
819
820 if (changed & WIPHY_PARAM_RETRY_SHORT) {
821 netdev_dbg(vif->ndev,
822 "Setting WIPHY_PARAM_RETRY_SHORT %d\n",
823 wiphy->retry_short);
824 cfg_param_val.flag |= WILC_CFG_PARAM_RETRY_SHORT;
825 cfg_param_val.short_retry_limit = wiphy->retry_short;
826 }
827 if (changed & WIPHY_PARAM_RETRY_LONG) {
828 netdev_dbg(vif->ndev,
829 "Setting WIPHY_PARAM_RETRY_LONG %d\n",
830 wiphy->retry_long);
831 cfg_param_val.flag |= WILC_CFG_PARAM_RETRY_LONG;
832 cfg_param_val.long_retry_limit = wiphy->retry_long;
833 }
834 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
835 if (wiphy->frag_threshold > 255 &&
836 wiphy->frag_threshold < 7937) {
837 netdev_dbg(vif->ndev,
838 "Setting WIPHY_PARAM_FRAG_THRESHOLD %d\n",
839 wiphy->frag_threshold);
840 cfg_param_val.flag |= WILC_CFG_PARAM_FRAG_THRESHOLD;
841 cfg_param_val.frag_threshold = wiphy->frag_threshold;
842 } else {
843 netdev_err(vif->ndev,
844 "Fragmentation threshold out of range\n");
845 goto out;
846 }
847 }
848
849 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
850 if (wiphy->rts_threshold > 255) {
851 netdev_dbg(vif->ndev,
852 "Setting WIPHY_PARAM_RTS_THRESHOLD %d\n",
853 wiphy->rts_threshold);
854 cfg_param_val.flag |= WILC_CFG_PARAM_RTS_THRESHOLD;
855 cfg_param_val.rts_threshold = wiphy->rts_threshold;
856 } else {
857 netdev_err(vif->ndev, "RTS threshold out of range\n");
858 goto out;
859 }
860 }
861
862 ret = wilc_hif_set_cfg(vif, &cfg_param_val);
863 if (ret)
864 netdev_err(priv->dev, "Error in setting WIPHY PARAMS\n");
865
866 out:
867 srcu_read_unlock(&wl->srcu, srcu_idx);
868 return ret;
869 }
870
871 static int set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
872 struct cfg80211_pmksa *pmksa)
873 {
874 struct wilc_vif *vif = netdev_priv(netdev);
875 struct wilc_priv *priv = &vif->priv;
876 u32 i;
877 int ret = 0;
878 u8 flag = 0;
879
880 for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
881 if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
882 ETH_ALEN)) {
883 flag = PMKID_FOUND;
884 break;
885 }
886 }
887 if (i < WILC_MAX_NUM_PMKIDS) {
888 memcpy(priv->pmkid_list.pmkidlist[i].bssid, pmksa->bssid,
889 ETH_ALEN);
890 memcpy(priv->pmkid_list.pmkidlist[i].pmkid, pmksa->pmkid,
891 WLAN_PMKID_LEN);
892 if (!(flag == PMKID_FOUND))
893 priv->pmkid_list.numpmkid++;
894 } else {
895 netdev_err(netdev, "Invalid PMKID index\n");
896 ret = -EINVAL;
897 }
898
899 if (!ret)
900 ret = wilc_set_pmkid_info(vif, &priv->pmkid_list);
901
902 return ret;
903 }
904
905 static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
906 struct cfg80211_pmksa *pmksa)
907 {
908 u32 i;
909 struct wilc_vif *vif = netdev_priv(netdev);
910 struct wilc_priv *priv = &vif->priv;
911
912 for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
913 if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
914 ETH_ALEN)) {
915 memset(&priv->pmkid_list.pmkidlist[i], 0,
916 sizeof(struct wilc_pmkid));
917 break;
918 }
919 }
920
921 if (i == priv->pmkid_list.numpmkid)
922 return -EINVAL;
923
924 for (; i < (priv->pmkid_list.numpmkid - 1); i++) {
925 memcpy(priv->pmkid_list.pmkidlist[i].bssid,
926 priv->pmkid_list.pmkidlist[i + 1].bssid,
927 ETH_ALEN);
928 memcpy(priv->pmkid_list.pmkidlist[i].pmkid,
929 priv->pmkid_list.pmkidlist[i + 1].pmkid,
930 WLAN_PMKID_LEN);
931 }
932 priv->pmkid_list.numpmkid--;
933
934 return 0;
935 }
936
937 static int flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
938 {
939 struct wilc_vif *vif = netdev_priv(netdev);
940
941 memset(&vif->priv.pmkid_list, 0, sizeof(struct wilc_pmkid_attr));
942
943 return 0;
944 }
945
946 static inline void wilc_wfi_cfg_parse_ch_attr(u8 *buf, u32 len, u8 sta_ch)
947 {
948 struct wilc_attr_entry *e;
949 struct wilc_attr_ch_list *ch_list;
950 struct wilc_attr_oper_ch *op_ch;
951 u32 index = 0;
952 u8 ch_list_idx = 0;
953 u8 op_ch_idx = 0;
954
955 if (sta_ch == WILC_INVALID_CHANNEL)
956 return;
957
958 while (index + sizeof(*e) <= len) {
959 u16 attr_size;
960
961 e = (struct wilc_attr_entry *)&buf[index];
962 attr_size = le16_to_cpu(e->attr_len);
963
964 if (index + sizeof(*e) + attr_size > len)
965 return;
966
967 if (e->attr_type == IEEE80211_P2P_ATTR_CHANNEL_LIST &&
968 attr_size >= (sizeof(struct wilc_attr_ch_list) - sizeof(*e)))
969 ch_list_idx = index;
970 else if (e->attr_type == IEEE80211_P2P_ATTR_OPER_CHANNEL &&
971 attr_size == (sizeof(struct wilc_attr_oper_ch) - sizeof(*e)))
972 op_ch_idx = index;
973
974 if (ch_list_idx && op_ch_idx)
975 break;
976
977 index += sizeof(*e) + attr_size;
978 }
979
980 if (ch_list_idx) {
981 u16 elem_size;
982
983 ch_list = (struct wilc_attr_ch_list *)&buf[ch_list_idx];
984 /* the number of bytes following the final 'elem' member */
985 elem_size = le16_to_cpu(ch_list->attr_len) -
986 (sizeof(*ch_list) - sizeof(struct wilc_attr_entry));
987 for (unsigned int i = 0; i < elem_size;) {
988 struct wilc_ch_list_elem *e;
989
990 e = (struct wilc_ch_list_elem *)(ch_list->elem + i);
991
992 i += sizeof(*e);
993 if (i > elem_size)
994 break;
995
996 i += e->no_of_channels;
997 if (i > elem_size)
998 break;
999
1000 if (e->op_class == WILC_WLAN_OPERATING_CLASS_2_4GHZ) {
1001 memset(e->ch_list, sta_ch, e->no_of_channels);
1002 break;
1003 }
1004 }
1005 }
1006
1007 if (op_ch_idx) {
1008 op_ch = (struct wilc_attr_oper_ch *)&buf[op_ch_idx];
1009 op_ch->op_class = WILC_WLAN_OPERATING_CLASS_2_4GHZ;
1010 op_ch->op_channel = sta_ch;
1011 }
1012 }
1013
1014 bool wilc_wfi_mgmt_frame_rx(struct wilc_vif *vif, u8 *buff, u32 size)
1015 {
1016 struct wilc *wl = vif->wilc;
1017 struct wilc_priv *priv = &vif->priv;
1018 int freq;
1019
1020 freq = ieee80211_channel_to_frequency(wl->op_ch, NL80211_BAND_2GHZ);
1021
1022 return cfg80211_rx_mgmt(&priv->wdev, freq, 0, buff, size, 0);
1023 }
1024
1025 void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size)
1026 {
1027 struct wilc *wl = vif->wilc;
1028 struct wilc_priv *priv = &vif->priv;
1029 struct host_if_drv *wfi_drv = priv->hif_drv;
1030 struct ieee80211_mgmt *mgmt;
1031 struct wilc_vendor_specific_ie *p;
1032 struct wilc_p2p_pub_act_frame *d;
1033 int ie_offset = offsetof(struct ieee80211_mgmt, u) + sizeof(*d);
1034 const u8 *vendor_ie;
1035 u32 header, pkt_offset;
1036 s32 freq;
1037
1038 header = get_unaligned_le32(buff - HOST_HDR_OFFSET);
1039 pkt_offset = FIELD_GET(WILC_PKT_HDR_OFFSET_FIELD, header);
1040
1041 if (pkt_offset & IS_MANAGMEMENT_CALLBACK) {
1042 bool ack = false;
1043 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)buff;
1044
1045 if (ieee80211_is_probe_resp(hdr->frame_control) ||
1046 pkt_offset & IS_MGMT_STATUS_SUCCES)
1047 ack = true;
1048
1049 cfg80211_mgmt_tx_status(&priv->wdev, priv->tx_cookie, buff,
1050 size, ack, GFP_KERNEL);
1051 return;
1052 }
1053
1054 freq = ieee80211_channel_to_frequency(wl->op_ch, NL80211_BAND_2GHZ);
1055
1056 mgmt = (struct ieee80211_mgmt *)buff;
1057 if (!ieee80211_is_action(mgmt->frame_control))
1058 goto out_rx_mgmt;
1059
1060 if (priv->cfg_scanning &&
1061 time_after_eq(jiffies, (unsigned long)wfi_drv->p2p_timeout)) {
1062 netdev_dbg(vif->ndev, "Receiving action wrong ch\n");
1063 return;
1064 }
1065
1066 if (!ieee80211_is_public_action((struct ieee80211_hdr *)buff, size))
1067 goto out_rx_mgmt;
1068
1069 d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action);
1070 if (d->oui_subtype != GO_NEG_REQ && d->oui_subtype != GO_NEG_RSP &&
1071 d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP)
1072 goto out_rx_mgmt;
1073
1074 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1075 buff + ie_offset, size - ie_offset);
1076 if (!vendor_ie)
1077 goto out_rx_mgmt;
1078
1079 p = (struct wilc_vendor_specific_ie *)vendor_ie;
1080 wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch);
1081
1082 out_rx_mgmt:
1083 cfg80211_rx_mgmt(&priv->wdev, freq, 0, buff, size, 0);
1084 }
1085
1086 static void wilc_wfi_mgmt_tx_complete(void *priv, int status)
1087 {
1088 struct wilc_p2p_mgmt_data *pv_data = priv;
1089
1090 kfree(pv_data->buff);
1091 kfree(pv_data);
1092 }
1093
1094 static void wilc_wfi_remain_on_channel_expired(struct wilc_vif *vif, u64 cookie)
1095 {
1096 struct wilc_priv *priv = &vif->priv;
1097 struct wilc_wfi_p2p_listen_params *params = &priv->remain_on_ch_params;
1098
1099 if (cookie != params->listen_cookie)
1100 return;
1101
1102 priv->p2p_listen_state = false;
1103
1104 cfg80211_remain_on_channel_expired(&priv->wdev, params->listen_cookie,
1105 params->listen_ch, GFP_KERNEL);
1106 }
1107
1108 static int remain_on_channel(struct wiphy *wiphy,
1109 struct wireless_dev *wdev,
1110 struct ieee80211_channel *chan,
1111 unsigned int duration, u64 *cookie)
1112 {
1113 int ret = 0;
1114 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1115 struct wilc_priv *priv = &vif->priv;
1116 u64 id;
1117
1118 if (wdev->iftype == NL80211_IFTYPE_AP) {
1119 netdev_dbg(vif->ndev, "Required while in AP mode\n");
1120 return ret;
1121 }
1122
1123 id = ++priv->inc_roc_cookie;
1124 if (id == 0)
1125 id = ++priv->inc_roc_cookie;
1126
1127 ret = wilc_remain_on_channel(vif, id, chan->hw_value,
1128 wilc_wfi_remain_on_channel_expired);
1129 if (ret)
1130 return ret;
1131
1132 vif->wilc->op_ch = chan->hw_value;
1133
1134 priv->remain_on_ch_params.listen_ch = chan;
1135 priv->remain_on_ch_params.listen_cookie = id;
1136 *cookie = id;
1137 priv->p2p_listen_state = true;
1138 priv->remain_on_ch_params.listen_duration = duration;
1139
1140 cfg80211_ready_on_channel(wdev, *cookie, chan, duration, GFP_KERNEL);
1141 mod_timer(&vif->hif_drv->remain_on_ch_timer,
1142 jiffies + msecs_to_jiffies(duration + 1000));
1143
1144 return ret;
1145 }
1146
1147 static int cancel_remain_on_channel(struct wiphy *wiphy,
1148 struct wireless_dev *wdev,
1149 u64 cookie)
1150 {
1151 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1152 struct wilc_priv *priv = &vif->priv;
1153
1154 if (cookie != priv->remain_on_ch_params.listen_cookie)
1155 return -ENOENT;
1156
1157 return wilc_listen_state_expired(vif, cookie);
1158 }
1159
1160 static int mgmt_tx(struct wiphy *wiphy,
1161 struct wireless_dev *wdev,
1162 struct cfg80211_mgmt_tx_params *params,
1163 u64 *cookie)
1164 {
1165 struct ieee80211_channel *chan = params->chan;
1166 unsigned int wait = params->wait;
1167 const u8 *buf = params->buf;
1168 size_t len = params->len;
1169 const struct ieee80211_mgmt *mgmt;
1170 struct wilc_p2p_mgmt_data *mgmt_tx;
1171 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1172 struct wilc_priv *priv = &vif->priv;
1173 struct host_if_drv *wfi_drv = priv->hif_drv;
1174 struct wilc_vendor_specific_ie *p;
1175 struct wilc_p2p_pub_act_frame *d;
1176 int ie_offset = offsetof(struct ieee80211_mgmt, u) + sizeof(*d);
1177 const u8 *vendor_ie;
1178 int ret = 0;
1179
1180 *cookie = get_random_u32();
1181 priv->tx_cookie = *cookie;
1182 mgmt = (const struct ieee80211_mgmt *)buf;
1183
1184 if (!ieee80211_is_mgmt(mgmt->frame_control))
1185 goto out;
1186
1187 mgmt_tx = kmalloc(sizeof(*mgmt_tx), GFP_KERNEL);
1188 if (!mgmt_tx) {
1189 ret = -ENOMEM;
1190 goto out;
1191 }
1192
1193 mgmt_tx->buff = kmemdup(buf, len, GFP_KERNEL);
1194 if (!mgmt_tx->buff) {
1195 ret = -ENOMEM;
1196 kfree(mgmt_tx);
1197 goto out;
1198 }
1199
1200 mgmt_tx->size = len;
1201
1202 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
1203 wilc_set_mac_chnl_num(vif, chan->hw_value);
1204 vif->wilc->op_ch = chan->hw_value;
1205 goto out_txq_add_pkt;
1206 }
1207
1208 if (!ieee80211_is_public_action((struct ieee80211_hdr *)buf, len)) {
1209 if (chan)
1210 wilc_set_mac_chnl_num(vif, chan->hw_value);
1211 else
1212 wilc_set_mac_chnl_num(vif, vif->wilc->op_ch);
1213
1214 goto out_set_timeout;
1215 }
1216
1217 d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action);
1218 if (d->oui_type != WLAN_OUI_TYPE_WFA_P2P ||
1219 d->oui_subtype != GO_NEG_CONF) {
1220 wilc_set_mac_chnl_num(vif, chan->hw_value);
1221 vif->wilc->op_ch = chan->hw_value;
1222 }
1223
1224 if (d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP)
1225 goto out_set_timeout;
1226
1227 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1228 mgmt_tx->buff + ie_offset,
1229 len - ie_offset);
1230 if (!vendor_ie)
1231 goto out_set_timeout;
1232
1233 p = (struct wilc_vendor_specific_ie *)vendor_ie;
1234 wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch);
1235
1236 out_set_timeout:
1237 wfi_drv->p2p_timeout = (jiffies + msecs_to_jiffies(wait));
1238
1239 out_txq_add_pkt:
1240
1241 wilc_wlan_txq_add_mgmt_pkt(wdev->netdev, mgmt_tx,
1242 mgmt_tx->buff, mgmt_tx->size,
1243 wilc_wfi_mgmt_tx_complete);
1244
1245 out:
1246
1247 return ret;
1248 }
1249
1250 static int mgmt_tx_cancel_wait(struct wiphy *wiphy,
1251 struct wireless_dev *wdev,
1252 u64 cookie)
1253 {
1254 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1255 struct wilc_priv *priv = &vif->priv;
1256 struct host_if_drv *wfi_drv = priv->hif_drv;
1257
1258 wfi_drv->p2p_timeout = jiffies;
1259
1260 if (!priv->p2p_listen_state) {
1261 struct wilc_wfi_p2p_listen_params *params;
1262
1263 params = &priv->remain_on_ch_params;
1264
1265 cfg80211_remain_on_channel_expired(wdev,
1266 params->listen_cookie,
1267 params->listen_ch,
1268 GFP_KERNEL);
1269 }
1270
1271 return 0;
1272 }
1273
1274 void wilc_update_mgmt_frame_registrations(struct wiphy *wiphy,
1275 struct wireless_dev *wdev,
1276 struct mgmt_frame_regs *upd)
1277 {
1278 struct wilc *wl = wiphy_priv(wiphy);
1279 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1280 u32 presp_bit = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
1281 u32 action_bit = BIT(IEEE80211_STYPE_ACTION >> 4);
1282 u32 pauth_bit = BIT(IEEE80211_STYPE_AUTH >> 4);
1283
1284 if (wl->initialized) {
1285 bool prev = vif->mgmt_reg_stypes & presp_bit;
1286 bool now = upd->interface_stypes & presp_bit;
1287
1288 if (now != prev)
1289 wilc_frame_register(vif, IEEE80211_STYPE_PROBE_REQ, now);
1290
1291 prev = vif->mgmt_reg_stypes & action_bit;
1292 now = upd->interface_stypes & action_bit;
1293
1294 if (now != prev)
1295 wilc_frame_register(vif, IEEE80211_STYPE_ACTION, now);
1296
1297 prev = vif->mgmt_reg_stypes & pauth_bit;
1298 now = upd->interface_stypes & pauth_bit;
1299 if (now != prev)
1300 wilc_frame_register(vif, IEEE80211_STYPE_AUTH, now);
1301 }
1302
1303 vif->mgmt_reg_stypes =
1304 upd->interface_stypes & (presp_bit | action_bit | pauth_bit);
1305 }
1306
1307 static int external_auth(struct wiphy *wiphy, struct net_device *dev,
1308 struct cfg80211_external_auth_params *auth)
1309 {
1310 struct wilc_vif *vif = netdev_priv(dev);
1311
1312 if (auth->status == WLAN_STATUS_SUCCESS)
1313 wilc_set_external_auth_param(vif, auth);
1314
1315 return 0;
1316 }
1317
1318 static int set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev,
1319 s32 rssi_thold, u32 rssi_hyst)
1320 {
1321 return 0;
1322 }
1323
1324 static int dump_station(struct wiphy *wiphy, struct net_device *dev,
1325 int idx, u8 *mac, struct station_info *sinfo)
1326 {
1327 struct wilc_vif *vif = netdev_priv(dev);
1328 int ret;
1329
1330 if (idx != 0)
1331 return -ENOENT;
1332
1333 ret = wilc_get_rssi(vif, &sinfo->signal);
1334 if (ret)
1335 return ret;
1336
1337 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1338 memcpy(mac, vif->priv.associated_bss, ETH_ALEN);
1339 return 0;
1340 }
1341
1342 static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1343 bool enabled, int timeout)
1344 {
1345 struct wilc_vif *vif = netdev_priv(dev);
1346 struct wilc_priv *priv = &vif->priv;
1347
1348 if (!priv->hif_drv)
1349 return -EIO;
1350
1351 wilc_set_power_mgmt(vif, enabled, timeout);
1352
1353 return 0;
1354 }
1355
1356 static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev,
1357 enum nl80211_iftype type,
1358 struct vif_params *params)
1359 {
1360 struct wilc *wl = wiphy_priv(wiphy);
1361 struct wilc_vif *vif = netdev_priv(dev);
1362 struct wilc_priv *priv = &vif->priv;
1363
1364 switch (type) {
1365 case NL80211_IFTYPE_STATION:
1366 vif->connecting = false;
1367 dev->ieee80211_ptr->iftype = type;
1368 priv->wdev.iftype = type;
1369 vif->monitor_flag = 0;
1370 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE)
1371 wilc_wfi_deinit_mon_interface(wl, true);
1372 vif->iftype = WILC_STATION_MODE;
1373
1374 if (wl->initialized)
1375 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1376 WILC_STATION_MODE, vif->idx);
1377
1378 memset(priv->assoc_stainfo.sta_associated_bss, 0,
1379 WILC_MAX_NUM_STA * ETH_ALEN);
1380 break;
1381
1382 case NL80211_IFTYPE_P2P_CLIENT:
1383 vif->connecting = false;
1384 dev->ieee80211_ptr->iftype = type;
1385 priv->wdev.iftype = type;
1386 vif->monitor_flag = 0;
1387 vif->iftype = WILC_CLIENT_MODE;
1388
1389 if (wl->initialized)
1390 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1391 WILC_STATION_MODE, vif->idx);
1392 break;
1393
1394 case NL80211_IFTYPE_AP:
1395 dev->ieee80211_ptr->iftype = type;
1396 priv->wdev.iftype = type;
1397 vif->iftype = WILC_AP_MODE;
1398
1399 if (wl->initialized)
1400 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1401 WILC_AP_MODE, vif->idx);
1402 break;
1403
1404 case NL80211_IFTYPE_P2P_GO:
1405 dev->ieee80211_ptr->iftype = type;
1406 priv->wdev.iftype = type;
1407 vif->iftype = WILC_GO_MODE;
1408
1409 if (wl->initialized)
1410 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1411 WILC_AP_MODE, vif->idx);
1412 break;
1413
1414 default:
1415 netdev_err(dev, "Unknown interface type= %d\n", type);
1416 return -EINVAL;
1417 }
1418
1419 return 0;
1420 }
1421
1422 static int start_ap(struct wiphy *wiphy, struct net_device *dev,
1423 struct cfg80211_ap_settings *settings)
1424 {
1425 struct wilc_vif *vif = netdev_priv(dev);
1426 int ret;
1427
1428 ret = set_channel(wiphy, dev, &settings->chandef);
1429 if (ret != 0)
1430 netdev_err(dev, "Error in setting channel\n");
1431
1432 wilc_wlan_set_bssid(dev, dev->dev_addr, WILC_AP_MODE);
1433
1434 return wilc_add_beacon(vif, settings->beacon_interval,
1435 settings->dtim_period, &settings->beacon);
1436 }
1437
1438 static int change_beacon(struct wiphy *wiphy, struct net_device *dev,
1439 struct cfg80211_ap_update *params)
1440 {
1441 struct wilc_vif *vif = netdev_priv(dev);
1442
1443 return wilc_add_beacon(vif, 0, 0, &params->beacon);
1444 }
1445
1446 static int stop_ap(struct wiphy *wiphy, struct net_device *dev,
1447 unsigned int link_id)
1448 {
1449 int ret;
1450 struct wilc_vif *vif = netdev_priv(dev);
1451
1452 wilc_wlan_set_bssid(dev, NULL, WILC_AP_MODE);
1453
1454 ret = wilc_del_beacon(vif);
1455
1456 if (ret)
1457 netdev_err(dev, "Host delete beacon fail\n");
1458
1459 return ret;
1460 }
1461
1462 static int add_station(struct wiphy *wiphy, struct net_device *dev,
1463 const u8 *mac, struct station_parameters *params)
1464 {
1465 int ret = 0;
1466 struct wilc_vif *vif = netdev_priv(dev);
1467 struct wilc_priv *priv = &vif->priv;
1468
1469 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
1470 memcpy(priv->assoc_stainfo.sta_associated_bss[params->aid], mac,
1471 ETH_ALEN);
1472
1473 ret = wilc_add_station(vif, mac, params);
1474 if (ret)
1475 netdev_err(dev, "Host add station fail\n");
1476 }
1477
1478 return ret;
1479 }
1480
1481 static int del_station(struct wiphy *wiphy, struct net_device *dev,
1482 struct station_del_parameters *params)
1483 {
1484 const u8 *mac = params->mac;
1485 int ret = 0;
1486 struct wilc_vif *vif = netdev_priv(dev);
1487 struct wilc_priv *priv = &vif->priv;
1488 struct sta_info *info;
1489
1490 if (!(vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE))
1491 return ret;
1492
1493 info = &priv->assoc_stainfo;
1494
1495 if (!mac)
1496 ret = wilc_del_allstation(vif, info->sta_associated_bss);
1497
1498 ret = wilc_del_station(vif, mac);
1499 if (ret)
1500 netdev_err(dev, "Host delete station fail\n");
1501 return ret;
1502 }
1503
1504 static int change_station(struct wiphy *wiphy, struct net_device *dev,
1505 const u8 *mac, struct station_parameters *params)
1506 {
1507 int ret = 0;
1508 struct wilc_vif *vif = netdev_priv(dev);
1509
1510 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
1511 ret = wilc_edit_station(vif, mac, params);
1512 if (ret)
1513 netdev_err(dev, "Host edit station fail\n");
1514 }
1515 return ret;
1516 }
1517
1518 static struct wilc_vif *wilc_get_vif_from_type(struct wilc *wl, int type)
1519 {
1520 struct wilc_vif *vif;
1521
1522 wilc_for_each_vif(wl, vif) {
1523 if (vif->iftype == type)
1524 return vif;
1525 }
1526
1527 return NULL;
1528 }
1529
1530 static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy,
1531 const char *name,
1532 unsigned char name_assign_type,
1533 enum nl80211_iftype type,
1534 struct vif_params *params)
1535 {
1536 struct wilc *wl = wiphy_priv(wiphy);
1537 struct wilc_vif *vif;
1538 struct wireless_dev *wdev;
1539 int iftype;
1540
1541 if (type == NL80211_IFTYPE_MONITOR) {
1542 struct net_device *ndev;
1543 int srcu_idx;
1544
1545 srcu_idx = srcu_read_lock(&wl->srcu);
1546 vif = wilc_get_vif_from_type(wl, WILC_AP_MODE);
1547 if (!vif) {
1548 vif = wilc_get_vif_from_type(wl, WILC_GO_MODE);
1549 if (!vif) {
1550 srcu_read_unlock(&wl->srcu, srcu_idx);
1551 goto validate_interface;
1552 }
1553 }
1554
1555 if (vif->monitor_flag) {
1556 srcu_read_unlock(&wl->srcu, srcu_idx);
1557 goto validate_interface;
1558 }
1559
1560 ndev = wilc_wfi_init_mon_interface(wl, name, vif->ndev);
1561 if (ndev) {
1562 vif->monitor_flag = 1;
1563 } else {
1564 srcu_read_unlock(&wl->srcu, srcu_idx);
1565 return ERR_PTR(-EINVAL);
1566 }
1567
1568 wdev = &vif->priv.wdev;
1569 srcu_read_unlock(&wl->srcu, srcu_idx);
1570 return wdev;
1571 }
1572
1573 validate_interface:
1574 mutex_lock(&wl->vif_mutex);
1575 if (wl->vif_num == WILC_NUM_CONCURRENT_IFC) {
1576 pr_err("Reached maximum number of interface\n");
1577 mutex_unlock(&wl->vif_mutex);
1578 return ERR_PTR(-EINVAL);
1579 }
1580 mutex_unlock(&wl->vif_mutex);
1581
1582 switch (type) {
1583 case NL80211_IFTYPE_STATION:
1584 iftype = WILC_STATION_MODE;
1585 break;
1586 case NL80211_IFTYPE_AP:
1587 iftype = WILC_AP_MODE;
1588 break;
1589 default:
1590 return ERR_PTR(-EOPNOTSUPP);
1591 }
1592
1593 vif = wilc_netdev_ifc_init(wl, name, iftype, type, true);
1594 if (IS_ERR(vif))
1595 return ERR_CAST(vif);
1596
1597 return &vif->priv.wdev;
1598 }
1599
1600 static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
1601 {
1602 struct wilc *wl = wiphy_priv(wiphy);
1603 struct wilc_vif *vif;
1604
1605 if (wdev->iftype == NL80211_IFTYPE_AP ||
1606 wdev->iftype == NL80211_IFTYPE_P2P_GO)
1607 wilc_wfi_deinit_mon_interface(wl, true);
1608 vif = netdev_priv(wdev->netdev);
1609 cfg80211_stop_iface(wiphy, wdev, GFP_KERNEL);
1610 cfg80211_unregister_netdevice(vif->ndev);
1611 vif->monitor_flag = 0;
1612
1613 mutex_lock(&wl->vif_mutex);
1614 list_del_rcu(&vif->list);
1615 wl->vif_num--;
1616 mutex_unlock(&wl->vif_mutex);
1617 synchronize_srcu(&wl->srcu);
1618 return 0;
1619 }
1620
1621 static void wilc_set_wakeup(struct wiphy *wiphy, bool enabled)
1622 {
1623 struct wilc *wl = wiphy_priv(wiphy);
1624 struct wilc_vif *vif;
1625 int srcu_idx;
1626
1627 srcu_idx = srcu_read_lock(&wl->srcu);
1628 vif = wilc_get_wl_to_vif(wl);
1629 if (IS_ERR(vif)) {
1630 srcu_read_unlock(&wl->srcu, srcu_idx);
1631 return;
1632 }
1633
1634 netdev_info(vif->ndev, "cfg set wake up = %d\n", enabled);
1635 wilc_set_wowlan_trigger(vif, enabled);
1636 srcu_read_unlock(&wl->srcu, srcu_idx);
1637 }
1638
1639 static int set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1640 enum nl80211_tx_power_setting type, int mbm)
1641 {
1642 int ret;
1643 int srcu_idx;
1644 s32 tx_power = MBM_TO_DBM(mbm);
1645 struct wilc *wl = wiphy_priv(wiphy);
1646 struct wilc_vif *vif;
1647
1648 if (!wl->initialized)
1649 return -EIO;
1650
1651 srcu_idx = srcu_read_lock(&wl->srcu);
1652 vif = wilc_get_wl_to_vif(wl);
1653 if (IS_ERR(vif)) {
1654 srcu_read_unlock(&wl->srcu, srcu_idx);
1655 return -EINVAL;
1656 }
1657
1658 netdev_info(vif->ndev, "Setting tx power %d\n", tx_power);
1659 if (tx_power < 0)
1660 tx_power = 0;
1661 else if (tx_power > 18)
1662 tx_power = 18;
1663 ret = wilc_set_tx_power(vif, tx_power);
1664 if (ret)
1665 netdev_err(vif->ndev, "Failed to set tx power\n");
1666 srcu_read_unlock(&wl->srcu, srcu_idx);
1667
1668 return ret;
1669 }
1670
1671 static int get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1672 int *dbm)
1673 {
1674 int ret;
1675 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1676 struct wilc *wl = vif->wilc;
1677
1678 /* If firmware is not started, return. */
1679 if (!wl->initialized)
1680 return -EIO;
1681
1682 ret = wilc_get_tx_power(vif, (u8 *)dbm);
1683 if (ret)
1684 netdev_err(vif->ndev, "Failed to get tx power\n");
1685
1686 return ret;
1687 }
1688
1689 static const struct cfg80211_ops wilc_cfg80211_ops = {
1690 .set_monitor_channel = set_channel,
1691 .scan = scan,
1692 .connect = connect,
1693 .disconnect = disconnect,
1694 .add_key = add_key,
1695 .del_key = del_key,
1696 .get_key = get_key,
1697 .set_default_key = set_default_key,
1698 .set_default_mgmt_key = set_default_mgmt_key,
1699 .add_virtual_intf = add_virtual_intf,
1700 .del_virtual_intf = del_virtual_intf,
1701 .change_virtual_intf = change_virtual_intf,
1702
1703 .start_ap = start_ap,
1704 .change_beacon = change_beacon,
1705 .stop_ap = stop_ap,
1706 .add_station = add_station,
1707 .del_station = del_station,
1708 .change_station = change_station,
1709 .get_station = get_station,
1710 .dump_station = dump_station,
1711 .change_bss = change_bss,
1712 .set_wiphy_params = set_wiphy_params,
1713
1714 .external_auth = external_auth,
1715 .set_pmksa = set_pmksa,
1716 .del_pmksa = del_pmksa,
1717 .flush_pmksa = flush_pmksa,
1718 .remain_on_channel = remain_on_channel,
1719 .cancel_remain_on_channel = cancel_remain_on_channel,
1720 .mgmt_tx_cancel_wait = mgmt_tx_cancel_wait,
1721 .mgmt_tx = mgmt_tx,
1722 .update_mgmt_frame_registrations = wilc_update_mgmt_frame_registrations,
1723 .set_power_mgmt = set_power_mgmt,
1724 .set_cqm_rssi_config = set_cqm_rssi_config,
1725
1726 .set_wakeup = wilc_set_wakeup,
1727 .set_tx_power = set_tx_power,
1728 .get_tx_power = get_tx_power,
1729
1730 };
1731
1732 static void wlan_init_locks(struct wilc *wl)
1733 {
1734 mutex_init(&wl->hif_cs);
1735 mutex_init(&wl->rxq_cs);
1736 mutex_init(&wl->cfg_cmd_lock);
1737 mutex_init(&wl->vif_mutex);
1738 mutex_init(&wl->deinit_lock);
1739
1740 spin_lock_init(&wl->txq_spinlock);
1741 mutex_init(&wl->txq_add_to_head_cs);
1742
1743 init_completion(&wl->txq_event);
1744 init_completion(&wl->cfg_event);
1745 init_completion(&wl->sync_event);
1746 init_completion(&wl->txq_thread_started);
1747 init_srcu_struct(&wl->srcu);
1748 }
1749
1750 void wlan_deinit_locks(struct wilc *wilc)
1751 {
1752 mutex_destroy(&wilc->hif_cs);
1753 mutex_destroy(&wilc->rxq_cs);
1754 mutex_destroy(&wilc->cfg_cmd_lock);
1755 mutex_destroy(&wilc->txq_add_to_head_cs);
1756 mutex_destroy(&wilc->vif_mutex);
1757 mutex_destroy(&wilc->deinit_lock);
1758 cleanup_srcu_struct(&wilc->srcu);
1759 }
1760
1761 static struct wilc *wilc_create_wiphy(struct device *dev)
1762 {
1763 struct wiphy *wiphy;
1764 struct wilc *wl;
1765
1766 wiphy = wiphy_new(&wilc_cfg80211_ops, sizeof(*wl));
1767 if (!wiphy)
1768 return NULL;
1769
1770 wl = wiphy_priv(wiphy);
1771
1772 memcpy(wl->bitrates, wilc_bitrates, sizeof(wilc_bitrates));
1773 memcpy(wl->channels, wilc_2ghz_channels, sizeof(wilc_2ghz_channels));
1774 wl->band.bitrates = wl->bitrates;
1775 wl->band.n_bitrates = ARRAY_SIZE(wl->bitrates);
1776 wl->band.channels = wl->channels;
1777 wl->band.n_channels = ARRAY_SIZE(wilc_2ghz_channels);
1778
1779 wl->band.ht_cap.ht_supported = 1;
1780 wl->band.ht_cap.cap |= (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1781 wl->band.ht_cap.mcs.rx_mask[0] = 0xff;
1782 wl->band.ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K;
1783 wl->band.ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
1784
1785 wiphy->bands[NL80211_BAND_2GHZ] = &wl->band;
1786
1787 wiphy->max_scan_ssids = WILC_MAX_NUM_PROBED_SSID;
1788 #ifdef CONFIG_PM
1789 wiphy->wowlan = &wowlan_support;
1790 #endif
1791 wiphy->max_num_pmkids = WILC_MAX_NUM_PMKIDS;
1792 wiphy->max_scan_ie_len = 1000;
1793 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1794 memcpy(wl->cipher_suites, wilc_cipher_suites,
1795 sizeof(wilc_cipher_suites));
1796 wiphy->cipher_suites = wl->cipher_suites;
1797 wiphy->n_cipher_suites = ARRAY_SIZE(wilc_cipher_suites);
1798 wiphy->mgmt_stypes = wilc_wfi_cfg80211_mgmt_types;
1799
1800 wiphy->max_remain_on_channel_duration = 500;
1801 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1802 BIT(NL80211_IFTYPE_AP) |
1803 BIT(NL80211_IFTYPE_MONITOR) |
1804 BIT(NL80211_IFTYPE_P2P_GO) |
1805 BIT(NL80211_IFTYPE_P2P_CLIENT);
1806 wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
1807 set_wiphy_dev(wiphy, dev);
1808 wl->wiphy = wiphy;
1809 return wl;
1810 }
1811
1812 int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type,
1813 const struct wilc_hif_func *ops)
1814 {
1815 struct wilc *wl;
1816 int ret, i;
1817
1818 wl = wilc_create_wiphy(dev);
1819 if (!wl)
1820 return -EINVAL;
1821
1822 wlan_init_locks(wl);
1823
1824 ret = wilc_wlan_cfg_init(wl);
1825 if (ret)
1826 goto free_wl;
1827
1828 *wilc = wl;
1829 wl->io_type = io_type;
1830 wl->hif_func = ops;
1831
1832 for (i = 0; i < NQUEUES; i++)
1833 INIT_LIST_HEAD(&wl->txq[i].txq_head.list);
1834
1835 INIT_LIST_HEAD(&wl->rxq_head.list);
1836 INIT_LIST_HEAD(&wl->vif_list);
1837
1838 wl->hif_workqueue = alloc_ordered_workqueue("%s", WQ_MEM_RECLAIM,
1839 wiphy_name(wl->wiphy));
1840 if (!wl->hif_workqueue) {
1841 ret = -ENOMEM;
1842 goto free_cfg;
1843 }
1844
1845 return 0;
1846
1847 free_cfg:
1848 wilc_wlan_cfg_deinit(wl);
1849
1850 free_wl:
1851 wlan_deinit_locks(wl);
1852 wiphy_free(wl->wiphy);
1853 return ret;
1854 }
1855 EXPORT_SYMBOL_GPL(wilc_cfg80211_init);
1856
1857 int wilc_cfg80211_register(struct wilc *wilc)
1858 {
1859 /* WPA3/SAE supported only on WILC1000 */
1860 if (is_wilc1000(wilc->chipid))
1861 wilc->wiphy->features |= NL80211_FEATURE_SAE;
1862
1863 return wiphy_register(wilc->wiphy);
1864 }
1865 EXPORT_SYMBOL_GPL(wilc_cfg80211_register);
1866
1867 int wilc_init_host_int(struct net_device *net)
1868 {
1869 int ret;
1870 struct wilc_vif *vif = netdev_priv(net);
1871 struct wilc_priv *priv = &vif->priv;
1872
1873 priv->p2p_listen_state = false;
1874
1875 mutex_init(&priv->scan_req_lock);
1876 ret = wilc_init(net, &priv->hif_drv);
1877 if (ret)
1878 netdev_err(net, "Error while initializing hostinterface\n");
1879
1880 return ret;
1881 }
1882
1883 void wilc_deinit_host_int(struct net_device *net)
1884 {
1885 int ret;
1886 struct wilc_vif *vif = netdev_priv(net);
1887 struct wilc_priv *priv = &vif->priv;
1888
1889 priv->p2p_listen_state = false;
1890
1891 flush_workqueue(vif->wilc->hif_workqueue);
1892 mutex_destroy(&priv->scan_req_lock);
1893 ret = wilc_deinit(vif);
1894
1895 if (ret)
1896 netdev_err(net, "Error while deinitializing host interface\n");
1897 }
1898
Kernel DRM miscellaneous fixes and cross-tree changes