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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 = 0xffff,
24 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
25 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
26 },
27 [NL80211_IFTYPE_AP] = {
28 .tx = 0xffff,
29 .rx = BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
30 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
31 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
32 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
33 BIT(IEEE80211_STYPE_AUTH >> 4) |
34 BIT(IEEE80211_STYPE_DEAUTH >> 4) |
35 BIT(IEEE80211_STYPE_ACTION >> 4)
36 },
37 [NL80211_IFTYPE_P2P_CLIENT] = {
38 .tx = 0xffff,
39 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
40 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
41 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
42 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
43 BIT(IEEE80211_STYPE_DISASSOC >> 4) |
44 BIT(IEEE80211_STYPE_AUTH >> 4) |
45 BIT(IEEE80211_STYPE_DEAUTH >> 4)
46 }
47};
48
49#ifdef CONFIG_PM
50static const struct wiphy_wowlan_support wowlan_support = {
51 .flags = WIPHY_WOWLAN_ANY
52};
53#endif
54
55struct wilc_p2p_mgmt_data {
56 int size;
57 u8 *buff;
58};
59
60struct wilc_p2p_pub_act_frame {
61 u8 category;
62 u8 action;
63 u8 oui[3];
64 u8 oui_type;
65 u8 oui_subtype;
66 u8 dialog_token;
67 u8 elem[];
68} __packed;
69
70struct wilc_vendor_specific_ie {
71 u8 tag_number;
72 u8 tag_len;
73 u8 oui[3];
74 u8 oui_type;
75 u8 attr[];
76} __packed;
77
78struct wilc_attr_entry {
79 u8 attr_type;
80 __le16 attr_len;
81 u8 val[];
82} __packed;
83
84struct wilc_attr_oper_ch {
85 u8 attr_type;
86 __le16 attr_len;
87 u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
88 u8 op_class;
89 u8 op_channel;
90} __packed;
91
92struct wilc_attr_ch_list {
93 u8 attr_type;
94 __le16 attr_len;
95 u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
96 u8 elem[];
97} __packed;
98
99struct wilc_ch_list_elem {
100 u8 op_class;
101 u8 no_of_channels;
102 u8 ch_list[];
103} __packed;
104
105static void cfg_scan_result(enum scan_event scan_event,
106 struct wilc_rcvd_net_info *info, void *user_void)
107{
108 struct wilc_priv *priv = user_void;
109
110 if (!priv->cfg_scanning)
111 return;
112
113 if (scan_event == SCAN_EVENT_NETWORK_FOUND) {
114 s32 freq;
115 struct ieee80211_channel *channel;
116 struct cfg80211_bss *bss;
117 struct wiphy *wiphy = priv->dev->ieee80211_ptr->wiphy;
118
119 if (!wiphy || !info)
120 return;
121
122 freq = ieee80211_channel_to_frequency((s32)info->ch,
123 NL80211_BAND_2GHZ);
124 channel = ieee80211_get_channel(wiphy, freq);
125 if (!channel)
126 return;
127
128 bss = cfg80211_inform_bss_frame(wiphy, channel, info->mgmt,
129 info->frame_len,
130 (s32)info->rssi * 100,
131 GFP_KERNEL);
132 if (!bss)
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
163static void cfg_connect_result(enum conn_event conn_disconn_evt, u8 mac_status,
164 void *priv_data)
165{
166 struct wilc_priv *priv = priv_data;
167 struct net_device *dev = priv->dev;
168 struct wilc_vif *vif = netdev_priv(dev);
169 struct wilc *wl = vif->wilc;
170 struct host_if_drv *wfi_drv = priv->hif_drv;
171 struct wilc_conn_info *conn_info = &wfi_drv->conn_info;
172 struct wiphy *wiphy = dev->ieee80211_ptr->wiphy;
173
174 vif->connecting = false;
175
176 if (conn_disconn_evt == CONN_DISCONN_EVENT_CONN_RESP) {
177 u16 connect_status = conn_info->status;
178
179 if (mac_status == WILC_MAC_STATUS_DISCONNECTED &&
180 connect_status == WLAN_STATUS_SUCCESS) {
181 connect_status = WLAN_STATUS_UNSPECIFIED_FAILURE;
182 wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
183
184 if (vif->iftype != WILC_CLIENT_MODE)
185 wl->sta_ch = WILC_INVALID_CHANNEL;
186
187 netdev_err(dev, "Unspecified failure\n");
188 }
189
190 if (connect_status == WLAN_STATUS_SUCCESS)
191 memcpy(priv->associated_bss, conn_info->bssid,
192 ETH_ALEN);
193
194 cfg80211_ref_bss(wiphy, vif->bss);
195 cfg80211_connect_bss(dev, conn_info->bssid, vif->bss,
196 conn_info->req_ies,
197 conn_info->req_ies_len,
198 conn_info->resp_ies,
199 conn_info->resp_ies_len,
200 connect_status, GFP_KERNEL,
201 NL80211_TIMEOUT_UNSPECIFIED);
202
203 vif->bss = NULL;
204 } else if (conn_disconn_evt == CONN_DISCONN_EVENT_DISCONN_NOTIF) {
205 u16 reason = 0;
206
207 eth_zero_addr(priv->associated_bss);
208 wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
209
210 if (vif->iftype != WILC_CLIENT_MODE) {
211 wl->sta_ch = WILC_INVALID_CHANNEL;
212 } else {
213 if (wfi_drv->ifc_up)
214 reason = 3;
215 else
216 reason = 1;
217 }
218
219 cfg80211_disconnected(dev, reason, NULL, 0, false, GFP_KERNEL);
220 }
221}
222
223struct wilc_vif *wilc_get_wl_to_vif(struct wilc *wl)
224{
225 struct wilc_vif *vif;
226
227 vif = list_first_or_null_rcu(&wl->vif_list, typeof(*vif), list);
228 if (!vif)
229 return ERR_PTR(-EINVAL);
230
231 return vif;
232}
233
234static int set_channel(struct wiphy *wiphy,
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
261static 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, scan_ch_list,
289 request->n_channels, cfg_scan_result, (void *)priv,
290 request);
291
292 if (ret) {
293 priv->scan_req = NULL;
294 priv->cfg_scanning = false;
295 }
296
297 return ret;
298}
299
300static int connect(struct wiphy *wiphy, struct net_device *dev,
301 struct cfg80211_connect_params *sme)
302{
303 struct wilc_vif *vif = netdev_priv(dev);
304 struct wilc_priv *priv = &vif->priv;
305 struct host_if_drv *wfi_drv = priv->hif_drv;
306 int ret;
307 u32 i;
308 u8 security = WILC_FW_SEC_NO;
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 memset(priv->wep_key, 0, sizeof(priv->wep_key));
318 memset(priv->wep_key_len, 0, sizeof(priv->wep_key_len));
319
320 cipher_group = sme->crypto.cipher_group;
321 if (cipher_group != 0) {
322 if (cipher_group == WLAN_CIPHER_SUITE_WEP40) {
323 security = WILC_FW_SEC_WEP;
324
325 priv->wep_key_len[sme->key_idx] = sme->key_len;
326 memcpy(priv->wep_key[sme->key_idx], sme->key,
327 sme->key_len);
328
329 wilc_set_wep_default_keyid(vif, sme->key_idx);
330 wilc_add_wep_key_bss_sta(vif, sme->key, sme->key_len,
331 sme->key_idx);
332 } else if (cipher_group == WLAN_CIPHER_SUITE_WEP104) {
333 security = WILC_FW_SEC_WEP_EXTENDED;
334
335 priv->wep_key_len[sme->key_idx] = sme->key_len;
336 memcpy(priv->wep_key[sme->key_idx], sme->key,
337 sme->key_len);
338
339 wilc_set_wep_default_keyid(vif, sme->key_idx);
340 wilc_add_wep_key_bss_sta(vif, sme->key, sme->key_len,
341 sme->key_idx);
342 } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) {
343 if (cipher_group == WLAN_CIPHER_SUITE_TKIP)
344 security = WILC_FW_SEC_WPA2_TKIP;
345 else
346 security = WILC_FW_SEC_WPA2_AES;
347 } else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) {
348 if (cipher_group == WLAN_CIPHER_SUITE_TKIP)
349 security = WILC_FW_SEC_WPA_TKIP;
350 else
351 security = WILC_FW_SEC_WPA_AES;
352 } else {
353 ret = -ENOTSUPP;
354 netdev_err(dev, "%s: Unsupported cipher\n",
355 __func__);
356 goto out_error;
357 }
358 }
359
360 if ((sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) ||
361 (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2)) {
362 for (i = 0; i < sme->crypto.n_ciphers_pairwise; i++) {
363 u32 ciphers_pairwise = sme->crypto.ciphers_pairwise[i];
364
365 if (ciphers_pairwise == WLAN_CIPHER_SUITE_TKIP)
366 security |= WILC_FW_TKIP;
367 else
368 security |= WILC_FW_AES;
369 }
370 }
371
372 switch (sme->auth_type) {
373 case NL80211_AUTHTYPE_OPEN_SYSTEM:
374 auth_type = WILC_FW_AUTH_OPEN_SYSTEM;
375 break;
376
377 case NL80211_AUTHTYPE_SHARED_KEY:
378 auth_type = WILC_FW_AUTH_SHARED_KEY;
379 break;
380
381 default:
382 break;
383 }
384
385 if (sme->crypto.n_akm_suites) {
386 if (sme->crypto.akm_suites[0] == WLAN_AKM_SUITE_8021X)
387 auth_type = WILC_FW_AUTH_IEEE8021;
388 }
389
390 if (wfi_drv->usr_scan_req.scan_result) {
391 netdev_err(vif->ndev, "%s: Scan in progress\n", __func__);
392 ret = -EBUSY;
393 goto out_error;
394 }
395
396 bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid, sme->ssid,
397 sme->ssid_len, IEEE80211_BSS_TYPE_ANY,
398 IEEE80211_PRIVACY(sme->privacy));
399 if (!bss) {
400 ret = -EINVAL;
401 goto out_error;
402 }
403
404 if (ether_addr_equal_unaligned(vif->bssid, bss->bssid)) {
405 ret = -EALREADY;
406 goto out_put_bss;
407 }
408
409 join_params = wilc_parse_join_bss_param(bss, &sme->crypto);
410 if (!join_params) {
411 netdev_err(dev, "%s: failed to construct join param\n",
412 __func__);
413 ret = -EINVAL;
414 goto out_put_bss;
415 }
416
417 ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
418 vif->wilc->op_ch = ch;
419 if (vif->iftype != WILC_CLIENT_MODE)
420 vif->wilc->sta_ch = ch;
421
422 wilc_wlan_set_bssid(dev, bss->bssid, WILC_STATION_MODE);
423
424 wfi_drv->conn_info.security = security;
425 wfi_drv->conn_info.auth_type = auth_type;
426 wfi_drv->conn_info.ch = ch;
427 wfi_drv->conn_info.conn_result = cfg_connect_result;
428 wfi_drv->conn_info.arg = priv;
429 wfi_drv->conn_info.param = join_params;
430
431 ret = wilc_set_join_req(vif, bss->bssid, sme->ie, sme->ie_len);
432 if (ret) {
433 netdev_err(dev, "wilc_set_join_req(): Error\n");
434 ret = -ENOENT;
435 if (vif->iftype != WILC_CLIENT_MODE)
436 vif->wilc->sta_ch = WILC_INVALID_CHANNEL;
437 wilc_wlan_set_bssid(dev, NULL, WILC_STATION_MODE);
438 wfi_drv->conn_info.conn_result = NULL;
439 kfree(join_params);
440 goto out_put_bss;
441 }
442 kfree(join_params);
443 vif->bss = bss;
444 cfg80211_put_bss(wiphy, bss);
445 return 0;
446
447out_put_bss:
448 cfg80211_put_bss(wiphy, bss);
449
450out_error:
451 vif->connecting = false;
452 return ret;
453}
454
455static int disconnect(struct wiphy *wiphy, struct net_device *dev,
456 u16 reason_code)
457{
458 struct wilc_vif *vif = netdev_priv(dev);
459 struct wilc_priv *priv = &vif->priv;
460 struct wilc *wilc = vif->wilc;
461 int ret;
462
463 vif->connecting = false;
464
465 if (!wilc)
466 return -EIO;
467
468 if (wilc->close) {
469 /* already disconnected done */
470 cfg80211_disconnected(dev, 0, NULL, 0, true, GFP_KERNEL);
471 return 0;
472 }
473
474 if (vif->iftype != WILC_CLIENT_MODE)
475 wilc->sta_ch = WILC_INVALID_CHANNEL;
476 wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE);
477
478 priv->hif_drv->p2p_timeout = 0;
479
480 ret = wilc_disconnect(vif);
481 if (ret != 0) {
482 netdev_err(priv->dev, "Error in disconnecting\n");
483 ret = -EINVAL;
484 }
485
486 vif->bss = NULL;
487
488 return ret;
489}
490
491static inline void wilc_wfi_cfg_copy_wep_info(struct wilc_priv *priv,
492 u8 key_index,
493 struct key_params *params)
494{
495 priv->wep_key_len[key_index] = params->key_len;
496 memcpy(priv->wep_key[key_index], params->key, params->key_len);
497}
498
499static int wilc_wfi_cfg_allocate_wpa_entry(struct wilc_priv *priv, u8 idx)
500{
501 if (!priv->wilc_gtk[idx]) {
502 priv->wilc_gtk[idx] = kzalloc(sizeof(*priv->wilc_gtk[idx]),
503 GFP_KERNEL);
504 if (!priv->wilc_gtk[idx])
505 return -ENOMEM;
506 }
507
508 if (!priv->wilc_ptk[idx]) {
509 priv->wilc_ptk[idx] = kzalloc(sizeof(*priv->wilc_ptk[idx]),
510 GFP_KERNEL);
511 if (!priv->wilc_ptk[idx])
512 return -ENOMEM;
513 }
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, u8 key_index,
544 bool pairwise, const u8 *mac_addr, struct key_params *params)
545
546{
547 int ret = 0, keylen = params->key_len;
548 const u8 *rx_mic = NULL;
549 const u8 *tx_mic = NULL;
550 u8 mode = WILC_FW_SEC_NO;
551 u8 op_mode;
552 struct wilc_vif *vif = netdev_priv(netdev);
553 struct wilc_priv *priv = &vif->priv;
554
555 switch (params->cipher) {
556 case WLAN_CIPHER_SUITE_WEP40:
557 case WLAN_CIPHER_SUITE_WEP104:
558 if (priv->wdev.iftype == NL80211_IFTYPE_AP) {
559 wilc_wfi_cfg_copy_wep_info(priv, key_index, params);
560
561 if (params->cipher == WLAN_CIPHER_SUITE_WEP40)
562 mode = WILC_FW_SEC_WEP;
563 else
564 mode = WILC_FW_SEC_WEP_EXTENDED;
565
566 ret = wilc_add_wep_key_bss_ap(vif, params->key,
567 params->key_len,
568 key_index, mode,
569 WILC_FW_AUTH_OPEN_SYSTEM);
570 break;
571 }
572 if (memcmp(params->key, priv->wep_key[key_index],
573 params->key_len)) {
574 wilc_wfi_cfg_copy_wep_info(priv, key_index, params);
575
576 ret = wilc_add_wep_key_bss_sta(vif, params->key,
577 params->key_len,
578 key_index);
579 }
580
581 break;
582
583 case WLAN_CIPHER_SUITE_TKIP:
584 case WLAN_CIPHER_SUITE_CCMP:
585 if (priv->wdev.iftype == NL80211_IFTYPE_AP ||
586 priv->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
587 struct wilc_wfi_key *key;
588
589 ret = wilc_wfi_cfg_allocate_wpa_entry(priv, key_index);
590 if (ret)
591 return -ENOMEM;
592
593 if (params->key_len > 16 &&
594 params->cipher == WLAN_CIPHER_SUITE_TKIP) {
595 tx_mic = params->key + 24;
596 rx_mic = params->key + 16;
597 keylen = params->key_len - 16;
598 }
599
600 if (!pairwise) {
601 if (params->cipher == WLAN_CIPHER_SUITE_TKIP)
602 mode = WILC_FW_SEC_WPA_TKIP;
603 else
604 mode = WILC_FW_SEC_WPA2_AES;
605
606 priv->wilc_groupkey = mode;
607
608 key = priv->wilc_gtk[key_index];
609 } else {
610 if (params->cipher == WLAN_CIPHER_SUITE_TKIP)
611 mode = WILC_FW_SEC_WPA_TKIP;
612 else
613 mode = priv->wilc_groupkey | WILC_FW_AES;
614
615 key = priv->wilc_ptk[key_index];
616 }
617 ret = wilc_wfi_cfg_copy_wpa_info(key, params);
618 if (ret)
619 return -ENOMEM;
620
621 op_mode = WILC_AP_MODE;
622 } else {
623 if (params->key_len > 16 &&
624 params->cipher == WLAN_CIPHER_SUITE_TKIP) {
625 rx_mic = params->key + 24;
626 tx_mic = params->key + 16;
627 keylen = params->key_len - 16;
628 }
629
630 op_mode = WILC_STATION_MODE;
631 }
632
633 if (!pairwise)
634 ret = wilc_add_rx_gtk(vif, params->key, keylen,
635 key_index, params->seq_len,
636 params->seq, rx_mic, tx_mic,
637 op_mode, mode);
638 else
639 ret = wilc_add_ptk(vif, params->key, keylen, mac_addr,
640 rx_mic, tx_mic, op_mode, mode,
641 key_index);
642
643 break;
644
645 default:
646 netdev_err(netdev, "%s: Unsupported cipher\n", __func__);
647 ret = -ENOTSUPP;
648 }
649
650 return ret;
651}
652
653static int del_key(struct wiphy *wiphy, struct net_device *netdev,
654 u8 key_index,
655 bool pairwise,
656 const u8 *mac_addr)
657{
658 struct wilc_vif *vif = netdev_priv(netdev);
659 struct wilc_priv *priv = &vif->priv;
660
661 if (priv->wilc_gtk[key_index]) {
662 kfree(priv->wilc_gtk[key_index]->key);
663 priv->wilc_gtk[key_index]->key = NULL;
664 kfree(priv->wilc_gtk[key_index]->seq);
665 priv->wilc_gtk[key_index]->seq = NULL;
666
667 kfree(priv->wilc_gtk[key_index]);
668 priv->wilc_gtk[key_index] = NULL;
669 }
670
671 if (priv->wilc_ptk[key_index]) {
672 kfree(priv->wilc_ptk[key_index]->key);
673 priv->wilc_ptk[key_index]->key = NULL;
674 kfree(priv->wilc_ptk[key_index]->seq);
675 priv->wilc_ptk[key_index]->seq = NULL;
676 kfree(priv->wilc_ptk[key_index]);
677 priv->wilc_ptk[key_index] = NULL;
678 }
679
680 if (key_index <= 3 && priv->wep_key_len[key_index]) {
681 memset(priv->wep_key[key_index], 0,
682 priv->wep_key_len[key_index]);
683 priv->wep_key_len[key_index] = 0;
684 wilc_remove_wep_key(vif, key_index);
685 }
686
687 return 0;
688}
689
690static int get_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index,
691 bool pairwise, const u8 *mac_addr, 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 key_params.key = priv->wilc_gtk[key_index]->key;
700 key_params.cipher = priv->wilc_gtk[key_index]->cipher;
701 key_params.key_len = priv->wilc_gtk[key_index]->key_len;
702 key_params.seq = priv->wilc_gtk[key_index]->seq;
703 key_params.seq_len = priv->wilc_gtk[key_index]->seq_len;
704 } else {
705 key_params.key = priv->wilc_ptk[key_index]->key;
706 key_params.cipher = priv->wilc_ptk[key_index]->cipher;
707 key_params.key_len = priv->wilc_ptk[key_index]->key_len;
708 key_params.seq = priv->wilc_ptk[key_index]->seq;
709 key_params.seq_len = priv->wilc_ptk[key_index]->seq_len;
710 }
711
712 callback(cookie, &key_params);
713
714 return 0;
715}
716
717static int set_default_key(struct wiphy *wiphy, struct net_device *netdev,
718 u8 key_index, bool unicast, bool multicast)
719{
720 struct wilc_vif *vif = netdev_priv(netdev);
721
722 wilc_set_wep_default_keyid(vif, key_index);
723
724 return 0;
725}
726
727static int get_station(struct wiphy *wiphy, struct net_device *dev,
728 const u8 *mac, struct station_info *sinfo)
729{
730 struct wilc_vif *vif = netdev_priv(dev);
731 struct wilc_priv *priv = &vif->priv;
732 u32 i = 0;
733 u32 associatedsta = ~0;
734 u32 inactive_time = 0;
735
736 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
737 for (i = 0; i < NUM_STA_ASSOCIATED; i++) {
738 if (!(memcmp(mac,
739 priv->assoc_stainfo.sta_associated_bss[i],
740 ETH_ALEN))) {
741 associatedsta = i;
742 break;
743 }
744 }
745
746 if (associatedsta == ~0) {
747 netdev_err(dev, "sta required is not associated\n");
748 return -ENOENT;
749 }
750
751 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME);
752
753 wilc_get_inactive_time(vif, mac, &inactive_time);
754 sinfo->inactive_time = 1000 * inactive_time;
755 } else if (vif->iftype == WILC_STATION_MODE) {
756 struct rf_info stats;
757
758 wilc_get_statistics(vif, &stats);
759
760 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL) |
761 BIT_ULL(NL80211_STA_INFO_RX_PACKETS) |
762 BIT_ULL(NL80211_STA_INFO_TX_PACKETS) |
763 BIT_ULL(NL80211_STA_INFO_TX_FAILED) |
764 BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
765
766 sinfo->signal = stats.rssi;
767 sinfo->rx_packets = stats.rx_cnt;
768 sinfo->tx_packets = stats.tx_cnt + stats.tx_fail_cnt;
769 sinfo->tx_failed = stats.tx_fail_cnt;
770 sinfo->txrate.legacy = stats.link_speed * 10;
771
772 if (stats.link_speed > TCP_ACK_FILTER_LINK_SPEED_THRESH &&
773 stats.link_speed != DEFAULT_LINK_SPEED)
774 wilc_enable_tcp_ack_filter(vif, true);
775 else if (stats.link_speed != DEFAULT_LINK_SPEED)
776 wilc_enable_tcp_ack_filter(vif, false);
777 }
778 return 0;
779}
780
781static int change_bss(struct wiphy *wiphy, struct net_device *dev,
782 struct bss_parameters *params)
783{
784 return 0;
785}
786
787static int set_wiphy_params(struct wiphy *wiphy, u32 changed)
788{
789 int ret = -EINVAL;
790 struct cfg_param_attr cfg_param_val;
791 struct wilc *wl = wiphy_priv(wiphy);
792 struct wilc_vif *vif;
793 struct wilc_priv *priv;
794 int srcu_idx;
795
796 srcu_idx = srcu_read_lock(&wl->srcu);
797 vif = wilc_get_wl_to_vif(wl);
798 if (IS_ERR(vif))
799 goto out;
800
801 priv = &vif->priv;
802 cfg_param_val.flag = 0;
803
804 if (changed & WIPHY_PARAM_RETRY_SHORT) {
805 netdev_dbg(vif->ndev,
806 "Setting WIPHY_PARAM_RETRY_SHORT %d\n",
807 wiphy->retry_short);
808 cfg_param_val.flag |= WILC_CFG_PARAM_RETRY_SHORT;
809 cfg_param_val.short_retry_limit = wiphy->retry_short;
810 }
811 if (changed & WIPHY_PARAM_RETRY_LONG) {
812 netdev_dbg(vif->ndev,
813 "Setting WIPHY_PARAM_RETRY_LONG %d\n",
814 wiphy->retry_long);
815 cfg_param_val.flag |= WILC_CFG_PARAM_RETRY_LONG;
816 cfg_param_val.long_retry_limit = wiphy->retry_long;
817 }
818 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
819 if (wiphy->frag_threshold > 255 &&
820 wiphy->frag_threshold < 7937) {
821 netdev_dbg(vif->ndev,
822 "Setting WIPHY_PARAM_FRAG_THRESHOLD %d\n",
823 wiphy->frag_threshold);
824 cfg_param_val.flag |= WILC_CFG_PARAM_FRAG_THRESHOLD;
825 cfg_param_val.frag_threshold = wiphy->frag_threshold;
826 } else {
827 netdev_err(vif->ndev,
828 "Fragmentation threshold out of range\n");
829 goto out;
830 }
831 }
832
833 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
834 if (wiphy->rts_threshold > 255) {
835 netdev_dbg(vif->ndev,
836 "Setting WIPHY_PARAM_RTS_THRESHOLD %d\n",
837 wiphy->rts_threshold);
838 cfg_param_val.flag |= WILC_CFG_PARAM_RTS_THRESHOLD;
839 cfg_param_val.rts_threshold = wiphy->rts_threshold;
840 } else {
841 netdev_err(vif->ndev, "RTS threshold out of range\n");
842 goto out;
843 }
844 }
845
846 ret = wilc_hif_set_cfg(vif, &cfg_param_val);
847 if (ret)
848 netdev_err(priv->dev, "Error in setting WIPHY PARAMS\n");
849
850out:
851 srcu_read_unlock(&wl->srcu, srcu_idx);
852 return ret;
853}
854
855static int set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
856 struct cfg80211_pmksa *pmksa)
857{
858 struct wilc_vif *vif = netdev_priv(netdev);
859 struct wilc_priv *priv = &vif->priv;
860 u32 i;
861 int ret = 0;
862 u8 flag = 0;
863
864 for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
865 if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
866 ETH_ALEN)) {
867 flag = PMKID_FOUND;
868 break;
869 }
870 }
871 if (i < WILC_MAX_NUM_PMKIDS) {
872 memcpy(priv->pmkid_list.pmkidlist[i].bssid, pmksa->bssid,
873 ETH_ALEN);
874 memcpy(priv->pmkid_list.pmkidlist[i].pmkid, pmksa->pmkid,
875 WLAN_PMKID_LEN);
876 if (!(flag == PMKID_FOUND))
877 priv->pmkid_list.numpmkid++;
878 } else {
879 netdev_err(netdev, "Invalid PMKID index\n");
880 ret = -EINVAL;
881 }
882
883 if (!ret)
884 ret = wilc_set_pmkid_info(vif, &priv->pmkid_list);
885
886 return ret;
887}
888
889static int del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
890 struct cfg80211_pmksa *pmksa)
891{
892 u32 i;
893 struct wilc_vif *vif = netdev_priv(netdev);
894 struct wilc_priv *priv = &vif->priv;
895
896 for (i = 0; i < priv->pmkid_list.numpmkid; i++) {
897 if (!memcmp(pmksa->bssid, priv->pmkid_list.pmkidlist[i].bssid,
898 ETH_ALEN)) {
899 memset(&priv->pmkid_list.pmkidlist[i], 0,
900 sizeof(struct wilc_pmkid));
901 break;
902 }
903 }
904
905 if (i == priv->pmkid_list.numpmkid)
906 return -EINVAL;
907
908 for (; i < (priv->pmkid_list.numpmkid - 1); i++) {
909 memcpy(priv->pmkid_list.pmkidlist[i].bssid,
910 priv->pmkid_list.pmkidlist[i + 1].bssid,
911 ETH_ALEN);
912 memcpy(priv->pmkid_list.pmkidlist[i].pmkid,
913 priv->pmkid_list.pmkidlist[i + 1].pmkid,
914 WLAN_PMKID_LEN);
915 }
916 priv->pmkid_list.numpmkid--;
917
918 return 0;
919}
920
921static int flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
922{
923 struct wilc_vif *vif = netdev_priv(netdev);
924
925 memset(&vif->priv.pmkid_list, 0, sizeof(struct wilc_pmkid_attr));
926
927 return 0;
928}
929
930static inline void wilc_wfi_cfg_parse_ch_attr(u8 *buf, u32 len, u8 sta_ch)
931{
932 struct wilc_attr_entry *e;
933 struct wilc_attr_ch_list *ch_list;
934 struct wilc_attr_oper_ch *op_ch;
935 u32 index = 0;
936 u8 ch_list_idx = 0;
937 u8 op_ch_idx = 0;
938
939 if (sta_ch == WILC_INVALID_CHANNEL)
940 return;
941
942 while (index + sizeof(*e) <= len) {
943 e = (struct wilc_attr_entry *)&buf[index];
944 if (e->attr_type == IEEE80211_P2P_ATTR_CHANNEL_LIST)
945 ch_list_idx = index;
946 else if (e->attr_type == IEEE80211_P2P_ATTR_OPER_CHANNEL)
947 op_ch_idx = index;
948 if (ch_list_idx && op_ch_idx)
949 break;
950 index += le16_to_cpu(e->attr_len) + sizeof(*e);
951 }
952
953 if (ch_list_idx) {
954 u16 attr_size;
955 struct wilc_ch_list_elem *e;
956 int i;
957
958 ch_list = (struct wilc_attr_ch_list *)&buf[ch_list_idx];
959 attr_size = le16_to_cpu(ch_list->attr_len);
960 for (i = 0; i < attr_size;) {
961 e = (struct wilc_ch_list_elem *)(ch_list->elem + i);
962 if (e->op_class == WILC_WLAN_OPERATING_CLASS_2_4GHZ) {
963 memset(e->ch_list, sta_ch, e->no_of_channels);
964 break;
965 }
966 i += e->no_of_channels;
967 }
968 }
969
970 if (op_ch_idx) {
971 op_ch = (struct wilc_attr_oper_ch *)&buf[op_ch_idx];
972 op_ch->op_class = WILC_WLAN_OPERATING_CLASS_2_4GHZ;
973 op_ch->op_channel = sta_ch;
974 }
975}
976
977void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, u32 size)
978{
979 struct wilc *wl = vif->wilc;
980 struct wilc_priv *priv = &vif->priv;
981 struct host_if_drv *wfi_drv = priv->hif_drv;
982 struct ieee80211_mgmt *mgmt;
983 struct wilc_vendor_specific_ie *p;
984 struct wilc_p2p_pub_act_frame *d;
985 int ie_offset = offsetof(struct ieee80211_mgmt, u) + sizeof(*d);
986 const u8 *vendor_ie;
987 u32 header, pkt_offset;
988 s32 freq;
989
990 header = get_unaligned_le32(buff - HOST_HDR_OFFSET);
991 pkt_offset = FIELD_GET(WILC_PKT_HDR_OFFSET_FIELD, header);
992
993 if (pkt_offset & IS_MANAGMEMENT_CALLBACK) {
994 bool ack = false;
995 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)buff;
996
997 if (ieee80211_is_probe_resp(hdr->frame_control) ||
998 pkt_offset & IS_MGMT_STATUS_SUCCES)
999 ack = true;
1000
1001 cfg80211_mgmt_tx_status(&priv->wdev, priv->tx_cookie, buff,
1002 size, ack, GFP_KERNEL);
1003 return;
1004 }
1005
1006 freq = ieee80211_channel_to_frequency(wl->op_ch, NL80211_BAND_2GHZ);
1007
1008 mgmt = (struct ieee80211_mgmt *)buff;
1009 if (!ieee80211_is_action(mgmt->frame_control))
1010 goto out_rx_mgmt;
1011
1012 if (priv->cfg_scanning &&
1013 time_after_eq(jiffies, (unsigned long)wfi_drv->p2p_timeout)) {
1014 netdev_dbg(vif->ndev, "Receiving action wrong ch\n");
1015 return;
1016 }
1017
1018 if (!ieee80211_is_public_action((struct ieee80211_hdr *)buff, size))
1019 goto out_rx_mgmt;
1020
1021 d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action);
1022 if (d->oui_subtype != GO_NEG_REQ && d->oui_subtype != GO_NEG_RSP &&
1023 d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP)
1024 goto out_rx_mgmt;
1025
1026 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1027 buff + ie_offset, size - ie_offset);
1028 if (!vendor_ie)
1029 goto out_rx_mgmt;
1030
1031 p = (struct wilc_vendor_specific_ie *)vendor_ie;
1032 wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch);
1033
1034out_rx_mgmt:
1035 cfg80211_rx_mgmt(&priv->wdev, freq, 0, buff, size, 0);
1036}
1037
1038static void wilc_wfi_mgmt_tx_complete(void *priv, int status)
1039{
1040 struct wilc_p2p_mgmt_data *pv_data = priv;
1041
1042 kfree(pv_data->buff);
1043 kfree(pv_data);
1044}
1045
1046static void wilc_wfi_remain_on_channel_expired(void *data, u64 cookie)
1047{
1048 struct wilc_vif *vif = data;
1049 struct wilc_priv *priv = &vif->priv;
1050 struct wilc_wfi_p2p_listen_params *params = &priv->remain_on_ch_params;
1051
1052 if (cookie != params->listen_cookie)
1053 return;
1054
1055 priv->p2p_listen_state = false;
1056
1057 cfg80211_remain_on_channel_expired(&priv->wdev, params->listen_cookie,
1058 params->listen_ch, GFP_KERNEL);
1059}
1060
1061static int remain_on_channel(struct wiphy *wiphy,
1062 struct wireless_dev *wdev,
1063 struct ieee80211_channel *chan,
1064 unsigned int duration, u64 *cookie)
1065{
1066 int ret = 0;
1067 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1068 struct wilc_priv *priv = &vif->priv;
1069 u64 id;
1070
1071 if (wdev->iftype == NL80211_IFTYPE_AP) {
1072 netdev_dbg(vif->ndev, "Required while in AP mode\n");
1073 return ret;
1074 }
1075
1076 id = ++priv->inc_roc_cookie;
1077 if (id == 0)
1078 id = ++priv->inc_roc_cookie;
1079
1080 ret = wilc_remain_on_channel(vif, id, duration, chan->hw_value,
1081 wilc_wfi_remain_on_channel_expired,
1082 (void *)vif);
1083 if (ret)
1084 return ret;
1085
1086 vif->wilc->op_ch = chan->hw_value;
1087
1088 priv->remain_on_ch_params.listen_ch = chan;
1089 priv->remain_on_ch_params.listen_cookie = id;
1090 *cookie = id;
1091 priv->p2p_listen_state = true;
1092 priv->remain_on_ch_params.listen_duration = duration;
1093
1094 cfg80211_ready_on_channel(wdev, *cookie, chan, duration, GFP_KERNEL);
1095 mod_timer(&vif->hif_drv->remain_on_ch_timer,
1096 jiffies + msecs_to_jiffies(duration + 1000));
1097
1098 return ret;
1099}
1100
1101static int cancel_remain_on_channel(struct wiphy *wiphy,
1102 struct wireless_dev *wdev,
1103 u64 cookie)
1104{
1105 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1106 struct wilc_priv *priv = &vif->priv;
1107
1108 if (cookie != priv->remain_on_ch_params.listen_cookie)
1109 return -ENOENT;
1110
1111 return wilc_listen_state_expired(vif, cookie);
1112}
1113
1114static int mgmt_tx(struct wiphy *wiphy,
1115 struct wireless_dev *wdev,
1116 struct cfg80211_mgmt_tx_params *params,
1117 u64 *cookie)
1118{
1119 struct ieee80211_channel *chan = params->chan;
1120 unsigned int wait = params->wait;
1121 const u8 *buf = params->buf;
1122 size_t len = params->len;
1123 const struct ieee80211_mgmt *mgmt;
1124 struct wilc_p2p_mgmt_data *mgmt_tx;
1125 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1126 struct wilc_priv *priv = &vif->priv;
1127 struct host_if_drv *wfi_drv = priv->hif_drv;
1128 struct wilc_vendor_specific_ie *p;
1129 struct wilc_p2p_pub_act_frame *d;
1130 int ie_offset = offsetof(struct ieee80211_mgmt, u) + sizeof(*d);
1131 const u8 *vendor_ie;
1132 int ret = 0;
1133
1134 *cookie = prandom_u32();
1135 priv->tx_cookie = *cookie;
1136 mgmt = (const struct ieee80211_mgmt *)buf;
1137
1138 if (!ieee80211_is_mgmt(mgmt->frame_control))
1139 goto out;
1140
1141 mgmt_tx = kmalloc(sizeof(*mgmt_tx), GFP_KERNEL);
1142 if (!mgmt_tx) {
1143 ret = -ENOMEM;
1144 goto out;
1145 }
1146
1147 mgmt_tx->buff = kmemdup(buf, len, GFP_KERNEL);
1148 if (!mgmt_tx->buff) {
1149 ret = -ENOMEM;
1150 kfree(mgmt_tx);
1151 goto out;
1152 }
1153
1154 mgmt_tx->size = len;
1155
1156 if (ieee80211_is_probe_resp(mgmt->frame_control)) {
1157 wilc_set_mac_chnl_num(vif, chan->hw_value);
1158 vif->wilc->op_ch = chan->hw_value;
1159 goto out_txq_add_pkt;
1160 }
1161
1162 if (!ieee80211_is_public_action((struct ieee80211_hdr *)buf, len))
1163 goto out_set_timeout;
1164
1165 d = (struct wilc_p2p_pub_act_frame *)(&mgmt->u.action);
1166 if (d->oui_type != WLAN_OUI_TYPE_WFA_P2P ||
1167 d->oui_subtype != GO_NEG_CONF) {
1168 wilc_set_mac_chnl_num(vif, chan->hw_value);
1169 vif->wilc->op_ch = chan->hw_value;
1170 }
1171
1172 if (d->oui_subtype != P2P_INV_REQ && d->oui_subtype != P2P_INV_RSP)
1173 goto out_set_timeout;
1174
1175 vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_WFA, WLAN_OUI_TYPE_WFA_P2P,
1176 mgmt_tx->buff + ie_offset,
1177 len - ie_offset);
1178 if (!vendor_ie)
1179 goto out_set_timeout;
1180
1181 p = (struct wilc_vendor_specific_ie *)vendor_ie;
1182 wilc_wfi_cfg_parse_ch_attr(p->attr, p->tag_len - 4, vif->wilc->sta_ch);
1183
1184out_set_timeout:
1185 wfi_drv->p2p_timeout = (jiffies + msecs_to_jiffies(wait));
1186
1187out_txq_add_pkt:
1188
1189 wilc_wlan_txq_add_mgmt_pkt(wdev->netdev, mgmt_tx,
1190 mgmt_tx->buff, mgmt_tx->size,
1191 wilc_wfi_mgmt_tx_complete);
1192
1193out:
1194
1195 return ret;
1196}
1197
1198static int mgmt_tx_cancel_wait(struct wiphy *wiphy,
1199 struct wireless_dev *wdev,
1200 u64 cookie)
1201{
1202 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1203 struct wilc_priv *priv = &vif->priv;
1204 struct host_if_drv *wfi_drv = priv->hif_drv;
1205
1206 wfi_drv->p2p_timeout = jiffies;
1207
1208 if (!priv->p2p_listen_state) {
1209 struct wilc_wfi_p2p_listen_params *params;
1210
1211 params = &priv->remain_on_ch_params;
1212
1213 cfg80211_remain_on_channel_expired(wdev,
1214 params->listen_cookie,
1215 params->listen_ch,
1216 GFP_KERNEL);
1217 }
1218
1219 return 0;
1220}
1221
1222void wilc_update_mgmt_frame_registrations(struct wiphy *wiphy,
1223 struct wireless_dev *wdev,
1224 struct mgmt_frame_regs *upd)
1225{
1226 struct wilc *wl = wiphy_priv(wiphy);
1227 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1228 u32 presp_bit = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
1229 u32 action_bit = BIT(IEEE80211_STYPE_ACTION >> 4);
1230
1231 if (wl->initialized) {
1232 bool prev = vif->mgmt_reg_stypes & presp_bit;
1233 bool now = upd->interface_stypes & presp_bit;
1234
1235 if (now != prev)
1236 wilc_frame_register(vif, IEEE80211_STYPE_PROBE_REQ, now);
1237
1238 prev = vif->mgmt_reg_stypes & action_bit;
1239 now = upd->interface_stypes & action_bit;
1240
1241 if (now != prev)
1242 wilc_frame_register(vif, IEEE80211_STYPE_ACTION, now);
1243 }
1244
1245 vif->mgmt_reg_stypes =
1246 upd->interface_stypes & (presp_bit | action_bit);
1247}
1248
1249static int set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev,
1250 s32 rssi_thold, u32 rssi_hyst)
1251{
1252 return 0;
1253}
1254
1255static int dump_station(struct wiphy *wiphy, struct net_device *dev,
1256 int idx, u8 *mac, struct station_info *sinfo)
1257{
1258 struct wilc_vif *vif = netdev_priv(dev);
1259 int ret;
1260
1261 if (idx != 0)
1262 return -ENOENT;
1263
1264 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
1265
1266 ret = wilc_get_rssi(vif, &sinfo->signal);
1267 if (ret)
1268 return ret;
1269
1270 memcpy(mac, vif->priv.associated_bss, ETH_ALEN);
1271 return 0;
1272}
1273
1274static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1275 bool enabled, int timeout)
1276{
1277 struct wilc_vif *vif = netdev_priv(dev);
1278 struct wilc_priv *priv = &vif->priv;
1279
1280 if (!priv->hif_drv)
1281 return -EIO;
1282
1283 wilc_set_power_mgmt(vif, enabled, timeout);
1284
1285 return 0;
1286}
1287
1288static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev,
1289 enum nl80211_iftype type,
1290 struct vif_params *params)
1291{
1292 struct wilc *wl = wiphy_priv(wiphy);
1293 struct wilc_vif *vif = netdev_priv(dev);
1294 struct wilc_priv *priv = &vif->priv;
1295
1296 switch (type) {
1297 case NL80211_IFTYPE_STATION:
1298 vif->connecting = false;
1299 dev->ieee80211_ptr->iftype = type;
1300 priv->wdev.iftype = type;
1301 vif->monitor_flag = 0;
1302 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE)
1303 wilc_wfi_deinit_mon_interface(wl, true);
1304 vif->iftype = WILC_STATION_MODE;
1305
1306 if (wl->initialized)
1307 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1308 WILC_STATION_MODE, vif->idx);
1309
1310 memset(priv->assoc_stainfo.sta_associated_bss, 0,
1311 WILC_MAX_NUM_STA * ETH_ALEN);
1312 break;
1313
1314 case NL80211_IFTYPE_P2P_CLIENT:
1315 vif->connecting = false;
1316 dev->ieee80211_ptr->iftype = type;
1317 priv->wdev.iftype = type;
1318 vif->monitor_flag = 0;
1319 vif->iftype = WILC_CLIENT_MODE;
1320
1321 if (wl->initialized)
1322 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1323 WILC_STATION_MODE, vif->idx);
1324 break;
1325
1326 case NL80211_IFTYPE_AP:
1327 dev->ieee80211_ptr->iftype = type;
1328 priv->wdev.iftype = type;
1329 vif->iftype = WILC_AP_MODE;
1330
1331 if (wl->initialized)
1332 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1333 WILC_AP_MODE, vif->idx);
1334 break;
1335
1336 case NL80211_IFTYPE_P2P_GO:
1337 dev->ieee80211_ptr->iftype = type;
1338 priv->wdev.iftype = type;
1339 vif->iftype = WILC_GO_MODE;
1340
1341 if (wl->initialized)
1342 wilc_set_operation_mode(vif, wilc_get_vif_idx(vif),
1343 WILC_AP_MODE, vif->idx);
1344 break;
1345
1346 default:
1347 netdev_err(dev, "Unknown interface type= %d\n", type);
1348 return -EINVAL;
1349 }
1350
1351 return 0;
1352}
1353
1354static int start_ap(struct wiphy *wiphy, struct net_device *dev,
1355 struct cfg80211_ap_settings *settings)
1356{
1357 struct wilc_vif *vif = netdev_priv(dev);
1358 int ret;
1359
1360 ret = set_channel(wiphy, &settings->chandef);
1361 if (ret != 0)
1362 netdev_err(dev, "Error in setting channel\n");
1363
1364 wilc_wlan_set_bssid(dev, dev->dev_addr, WILC_AP_MODE);
1365
1366 return wilc_add_beacon(vif, settings->beacon_interval,
1367 settings->dtim_period, &settings->beacon);
1368}
1369
1370static int change_beacon(struct wiphy *wiphy, struct net_device *dev,
1371 struct cfg80211_beacon_data *beacon)
1372{
1373 struct wilc_vif *vif = netdev_priv(dev);
1374
1375 return wilc_add_beacon(vif, 0, 0, beacon);
1376}
1377
1378static int stop_ap(struct wiphy *wiphy, struct net_device *dev)
1379{
1380 int ret;
1381 struct wilc_vif *vif = netdev_priv(dev);
1382
1383 wilc_wlan_set_bssid(dev, NULL, WILC_AP_MODE);
1384
1385 ret = wilc_del_beacon(vif);
1386
1387 if (ret)
1388 netdev_err(dev, "Host delete beacon fail\n");
1389
1390 return ret;
1391}
1392
1393static int add_station(struct wiphy *wiphy, struct net_device *dev,
1394 const u8 *mac, struct station_parameters *params)
1395{
1396 int ret = 0;
1397 struct wilc_vif *vif = netdev_priv(dev);
1398 struct wilc_priv *priv = &vif->priv;
1399
1400 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
1401 memcpy(priv->assoc_stainfo.sta_associated_bss[params->aid], mac,
1402 ETH_ALEN);
1403
1404 ret = wilc_add_station(vif, mac, params);
1405 if (ret)
1406 netdev_err(dev, "Host add station fail\n");
1407 }
1408
1409 return ret;
1410}
1411
1412static int del_station(struct wiphy *wiphy, struct net_device *dev,
1413 struct station_del_parameters *params)
1414{
1415 const u8 *mac = params->mac;
1416 int ret = 0;
1417 struct wilc_vif *vif = netdev_priv(dev);
1418 struct wilc_priv *priv = &vif->priv;
1419 struct sta_info *info;
1420
1421 if (!(vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE))
1422 return ret;
1423
1424 info = &priv->assoc_stainfo;
1425
1426 if (!mac)
1427 ret = wilc_del_allstation(vif, info->sta_associated_bss);
1428
1429 ret = wilc_del_station(vif, mac);
1430 if (ret)
1431 netdev_err(dev, "Host delete station fail\n");
1432 return ret;
1433}
1434
1435static int change_station(struct wiphy *wiphy, struct net_device *dev,
1436 const u8 *mac, struct station_parameters *params)
1437{
1438 int ret = 0;
1439 struct wilc_vif *vif = netdev_priv(dev);
1440
1441 if (vif->iftype == WILC_AP_MODE || vif->iftype == WILC_GO_MODE) {
1442 ret = wilc_edit_station(vif, mac, params);
1443 if (ret)
1444 netdev_err(dev, "Host edit station fail\n");
1445 }
1446 return ret;
1447}
1448
1449static struct wilc_vif *wilc_get_vif_from_type(struct wilc *wl, int type)
1450{
1451 struct wilc_vif *vif;
1452
1453 list_for_each_entry_rcu(vif, &wl->vif_list, list) {
1454 if (vif->iftype == type)
1455 return vif;
1456 }
1457
1458 return NULL;
1459}
1460
1461static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy,
1462 const char *name,
1463 unsigned char name_assign_type,
1464 enum nl80211_iftype type,
1465 struct vif_params *params)
1466{
1467 struct wilc *wl = wiphy_priv(wiphy);
1468 struct wilc_vif *vif;
1469 struct wireless_dev *wdev;
1470 int iftype;
1471
1472 if (type == NL80211_IFTYPE_MONITOR) {
1473 struct net_device *ndev;
1474 int srcu_idx;
1475
1476 srcu_idx = srcu_read_lock(&wl->srcu);
1477 vif = wilc_get_vif_from_type(wl, WILC_AP_MODE);
1478 if (!vif) {
1479 vif = wilc_get_vif_from_type(wl, WILC_GO_MODE);
1480 if (!vif) {
1481 srcu_read_unlock(&wl->srcu, srcu_idx);
1482 goto validate_interface;
1483 }
1484 }
1485
1486 if (vif->monitor_flag) {
1487 srcu_read_unlock(&wl->srcu, srcu_idx);
1488 goto validate_interface;
1489 }
1490
1491 ndev = wilc_wfi_init_mon_interface(wl, name, vif->ndev);
1492 if (ndev) {
1493 vif->monitor_flag = 1;
1494 } else {
1495 srcu_read_unlock(&wl->srcu, srcu_idx);
1496 return ERR_PTR(-EINVAL);
1497 }
1498
1499 wdev = &vif->priv.wdev;
1500 srcu_read_unlock(&wl->srcu, srcu_idx);
1501 return wdev;
1502 }
1503
1504validate_interface:
1505 mutex_lock(&wl->vif_mutex);
1506 if (wl->vif_num == WILC_NUM_CONCURRENT_IFC) {
1507 pr_err("Reached maximum number of interface\n");
1508 mutex_unlock(&wl->vif_mutex);
1509 return ERR_PTR(-EINVAL);
1510 }
1511 mutex_unlock(&wl->vif_mutex);
1512
1513 switch (type) {
1514 case NL80211_IFTYPE_STATION:
1515 iftype = WILC_STATION_MODE;
1516 break;
1517 case NL80211_IFTYPE_AP:
1518 iftype = WILC_AP_MODE;
1519 break;
1520 default:
1521 return ERR_PTR(-EOPNOTSUPP);
1522 }
1523
1524 vif = wilc_netdev_ifc_init(wl, name, iftype, type, true);
1525 if (IS_ERR(vif))
1526 return ERR_CAST(vif);
1527
1528 return &vif->priv.wdev;
1529}
1530
1531static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
1532{
1533 struct wilc *wl = wiphy_priv(wiphy);
1534 struct wilc_vif *vif;
1535
1536 if (wdev->iftype == NL80211_IFTYPE_AP ||
1537 wdev->iftype == NL80211_IFTYPE_P2P_GO)
1538 wilc_wfi_deinit_mon_interface(wl, true);
1539 vif = netdev_priv(wdev->netdev);
1540 cfg80211_stop_iface(wiphy, wdev, GFP_KERNEL);
1541 unregister_netdevice(vif->ndev);
1542 vif->monitor_flag = 0;
1543
1544 wilc_set_operation_mode(vif, 0, 0, 0);
1545 mutex_lock(&wl->vif_mutex);
1546 list_del_rcu(&vif->list);
1547 wl->vif_num--;
1548 mutex_unlock(&wl->vif_mutex);
1549 synchronize_srcu(&wl->srcu);
1550 return 0;
1551}
1552
1553static int wilc_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wow)
1554{
1555 struct wilc *wl = wiphy_priv(wiphy);
1556
1557 if (!wow && wilc_wlan_get_num_conn_ifcs(wl))
1558 wl->suspend_event = true;
1559 else
1560 wl->suspend_event = false;
1561
1562 return 0;
1563}
1564
1565static int wilc_resume(struct wiphy *wiphy)
1566{
1567 return 0;
1568}
1569
1570static void wilc_set_wakeup(struct wiphy *wiphy, bool enabled)
1571{
1572 struct wilc *wl = wiphy_priv(wiphy);
1573 struct wilc_vif *vif;
1574 int srcu_idx;
1575
1576 srcu_idx = srcu_read_lock(&wl->srcu);
1577 vif = wilc_get_wl_to_vif(wl);
1578 if (IS_ERR(vif)) {
1579 srcu_read_unlock(&wl->srcu, srcu_idx);
1580 return;
1581 }
1582
1583 netdev_info(vif->ndev, "cfg set wake up = %d\n", enabled);
1584 srcu_read_unlock(&wl->srcu, srcu_idx);
1585}
1586
1587static int set_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1588 enum nl80211_tx_power_setting type, int mbm)
1589{
1590 int ret;
1591 int srcu_idx;
1592 s32 tx_power = MBM_TO_DBM(mbm);
1593 struct wilc *wl = wiphy_priv(wiphy);
1594 struct wilc_vif *vif;
1595
1596 if (!wl->initialized)
1597 return -EIO;
1598
1599 srcu_idx = srcu_read_lock(&wl->srcu);
1600 vif = wilc_get_wl_to_vif(wl);
1601 if (IS_ERR(vif)) {
1602 srcu_read_unlock(&wl->srcu, srcu_idx);
1603 return -EINVAL;
1604 }
1605
1606 netdev_info(vif->ndev, "Setting tx power %d\n", tx_power);
1607 if (tx_power < 0)
1608 tx_power = 0;
1609 else if (tx_power > 18)
1610 tx_power = 18;
1611 ret = wilc_set_tx_power(vif, tx_power);
1612 if (ret)
1613 netdev_err(vif->ndev, "Failed to set tx power\n");
1614 srcu_read_unlock(&wl->srcu, srcu_idx);
1615
1616 return ret;
1617}
1618
1619static int get_tx_power(struct wiphy *wiphy, struct wireless_dev *wdev,
1620 int *dbm)
1621{
1622 int ret;
1623 struct wilc_vif *vif = netdev_priv(wdev->netdev);
1624 struct wilc *wl = vif->wilc;
1625
1626 /* If firmware is not started, return. */
1627 if (!wl->initialized)
1628 return -EIO;
1629
1630 ret = wilc_get_tx_power(vif, (u8 *)dbm);
1631 if (ret)
1632 netdev_err(vif->ndev, "Failed to get tx power\n");
1633
1634 return ret;
1635}
1636
1637static const struct cfg80211_ops wilc_cfg80211_ops = {
1638 .set_monitor_channel = set_channel,
1639 .scan = scan,
1640 .connect = connect,
1641 .disconnect = disconnect,
1642 .add_key = add_key,
1643 .del_key = del_key,
1644 .get_key = get_key,
1645 .set_default_key = set_default_key,
1646 .add_virtual_intf = add_virtual_intf,
1647 .del_virtual_intf = del_virtual_intf,
1648 .change_virtual_intf = change_virtual_intf,
1649
1650 .start_ap = start_ap,
1651 .change_beacon = change_beacon,
1652 .stop_ap = stop_ap,
1653 .add_station = add_station,
1654 .del_station = del_station,
1655 .change_station = change_station,
1656 .get_station = get_station,
1657 .dump_station = dump_station,
1658 .change_bss = change_bss,
1659 .set_wiphy_params = set_wiphy_params,
1660
1661 .set_pmksa = set_pmksa,
1662 .del_pmksa = del_pmksa,
1663 .flush_pmksa = flush_pmksa,
1664 .remain_on_channel = remain_on_channel,
1665 .cancel_remain_on_channel = cancel_remain_on_channel,
1666 .mgmt_tx_cancel_wait = mgmt_tx_cancel_wait,
1667 .mgmt_tx = mgmt_tx,
1668 .update_mgmt_frame_registrations = wilc_update_mgmt_frame_registrations,
1669 .set_power_mgmt = set_power_mgmt,
1670 .set_cqm_rssi_config = set_cqm_rssi_config,
1671
1672 .suspend = wilc_suspend,
1673 .resume = wilc_resume,
1674 .set_wakeup = wilc_set_wakeup,
1675 .set_tx_power = set_tx_power,
1676 .get_tx_power = get_tx_power,
1677
1678};
1679
1680static void wlan_init_locks(struct wilc *wl)
1681{
1682 mutex_init(&wl->hif_cs);
1683 mutex_init(&wl->rxq_cs);
1684 mutex_init(&wl->cfg_cmd_lock);
1685 mutex_init(&wl->vif_mutex);
1686
1687 spin_lock_init(&wl->txq_spinlock);
1688 mutex_init(&wl->txq_add_to_head_cs);
1689
1690 init_completion(&wl->txq_event);
1691 init_completion(&wl->cfg_event);
1692 init_completion(&wl->sync_event);
1693 init_completion(&wl->txq_thread_started);
1694 init_srcu_struct(&wl->srcu);
1695}
1696
1697void wlan_deinit_locks(struct wilc *wilc)
1698{
1699 mutex_destroy(&wilc->hif_cs);
1700 mutex_destroy(&wilc->rxq_cs);
1701 mutex_destroy(&wilc->cfg_cmd_lock);
1702 mutex_destroy(&wilc->txq_add_to_head_cs);
1703 mutex_destroy(&wilc->vif_mutex);
1704 cleanup_srcu_struct(&wilc->srcu);
1705}
1706
1707int wilc_cfg80211_init(struct wilc **wilc, struct device *dev, int io_type,
1708 const struct wilc_hif_func *ops)
1709{
1710 struct wilc *wl;
1711 struct wilc_vif *vif;
1712 int ret;
1713
1714 wl = wilc_create_wiphy(dev);
1715 if (!wl)
1716 return -EINVAL;
1717
1718 wlan_init_locks(wl);
1719
1720 ret = wilc_wlan_cfg_init(wl);
1721 if (ret)
1722 goto free_wl;
1723
1724 *wilc = wl;
1725 wl->io_type = io_type;
1726 wl->hif_func = ops;
1727 wl->chip_ps_state = WILC_CHIP_WAKEDUP;
1728 INIT_LIST_HEAD(&wl->txq_head.list);
1729 INIT_LIST_HEAD(&wl->rxq_head.list);
1730 INIT_LIST_HEAD(&wl->vif_list);
1731
1732 wl->hif_workqueue = create_singlethread_workqueue("WILC_wq");
1733 if (!wl->hif_workqueue) {
1734 ret = -ENOMEM;
1735 goto free_cfg;
1736 }
1737 vif = wilc_netdev_ifc_init(wl, "wlan%d", WILC_STATION_MODE,
1738 NL80211_IFTYPE_STATION, false);
1739 if (IS_ERR(vif)) {
1740 ret = PTR_ERR(vif);
1741 goto free_hq;
1742 }
1743
1744 return 0;
1745
1746free_hq:
1747 destroy_workqueue(wl->hif_workqueue);
1748
1749free_cfg:
1750 wilc_wlan_cfg_deinit(wl);
1751
1752free_wl:
1753 wlan_deinit_locks(wl);
1754 wiphy_unregister(wl->wiphy);
1755 wiphy_free(wl->wiphy);
1756 return ret;
1757}
1758EXPORT_SYMBOL_GPL(wilc_cfg80211_init);
1759
1760struct wilc *wilc_create_wiphy(struct device *dev)
1761{
1762 struct wiphy *wiphy;
1763 struct wilc *wl;
1764 int ret;
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
1808 set_wiphy_dev(wiphy, dev);
1809 wl->wiphy = wiphy;
1810 ret = wiphy_register(wiphy);
1811 if (ret) {
1812 wiphy_free(wiphy);
1813 return NULL;
1814 }
1815 return wl;
1816}
1817
1818int wilc_init_host_int(struct net_device *net)
1819{
1820 int ret;
1821 struct wilc_vif *vif = netdev_priv(net);
1822 struct wilc_priv *priv = &vif->priv;
1823
1824 priv->p2p_listen_state = false;
1825
1826 mutex_init(&priv->scan_req_lock);
1827 ret = wilc_init(net, &priv->hif_drv);
1828 if (ret)
1829 netdev_err(net, "Error while initializing hostinterface\n");
1830
1831 return ret;
1832}
1833
1834void wilc_deinit_host_int(struct net_device *net)
1835{
1836 int ret;
1837 struct wilc_vif *vif = netdev_priv(net);
1838 struct wilc_priv *priv = &vif->priv;
1839
1840 priv->p2p_listen_state = false;
1841
1842 flush_workqueue(vif->wilc->hif_workqueue);
1843 mutex_destroy(&priv->scan_req_lock);
1844 ret = wilc_deinit(vif);
1845
1846 if (ret)
1847 netdev_err(net, "Error while deinitializing host interface\n");
1848}
1849