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17#include <linux/kernel.h>
18#include <linux/etherdevice.h>
19#include <linux/vmalloc.h>
20#include <linux/ieee80211.h>
21#include <net/cfg80211.h>
22#include <net/netlink.h>
23
24#include "cfg80211.h"
25#include "commands.h"
26#include "core.h"
27#include "util.h"
28#include "bus.h"
29
30
31static struct ieee80211_rate qtnf_rates_2g[] = {
32 {.bitrate = 10, .hw_value = 2, },
33 {.bitrate = 20, .hw_value = 4, },
34 {.bitrate = 55, .hw_value = 11, },
35 {.bitrate = 110, .hw_value = 22, },
36 {.bitrate = 60, .hw_value = 12, },
37 {.bitrate = 90, .hw_value = 18, },
38 {.bitrate = 120, .hw_value = 24, },
39 {.bitrate = 180, .hw_value = 36, },
40 {.bitrate = 240, .hw_value = 48, },
41 {.bitrate = 360, .hw_value = 72, },
42 {.bitrate = 480, .hw_value = 96, },
43 {.bitrate = 540, .hw_value = 108, },
44};
45
46
47static struct ieee80211_rate qtnf_rates_5g[] = {
48 {.bitrate = 60, .hw_value = 12, },
49 {.bitrate = 90, .hw_value = 18, },
50 {.bitrate = 120, .hw_value = 24, },
51 {.bitrate = 180, .hw_value = 36, },
52 {.bitrate = 240, .hw_value = 48, },
53 {.bitrate = 360, .hw_value = 72, },
54 {.bitrate = 480, .hw_value = 96, },
55 {.bitrate = 540, .hw_value = 108, },
56};
57
58
59static const u32 qtnf_cipher_suites[] = {
60 WLAN_CIPHER_SUITE_TKIP,
61 WLAN_CIPHER_SUITE_CCMP,
62 WLAN_CIPHER_SUITE_AES_CMAC,
63};
64
65
66static const struct ieee80211_txrx_stypes
67qtnf_mgmt_stypes[NUM_NL80211_IFTYPES] = {
68 [NL80211_IFTYPE_STATION] = {
69 .tx = BIT(IEEE80211_STYPE_ACTION >> 4),
70 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
71 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
72 },
73 [NL80211_IFTYPE_AP] = {
74 .tx = BIT(IEEE80211_STYPE_ACTION >> 4),
75 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
76 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
77 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
78 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
79 BIT(IEEE80211_STYPE_AUTH >> 4),
80 },
81};
82
83static int
84qtnf_validate_iface_combinations(struct wiphy *wiphy,
85 struct qtnf_vif *change_vif,
86 enum nl80211_iftype new_type)
87{
88 struct qtnf_wmac *mac;
89 struct qtnf_vif *vif;
90 int i;
91 int ret = 0;
92 struct iface_combination_params params = {
93 .num_different_channels = 1,
94 };
95
96 mac = wiphy_priv(wiphy);
97 if (!mac)
98 return -EFAULT;
99
100 for (i = 0; i < QTNF_MAX_INTF; i++) {
101 vif = &mac->iflist[i];
102 if (vif->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED)
103 params.iftype_num[vif->wdev.iftype]++;
104 }
105
106 if (change_vif) {
107 params.iftype_num[new_type]++;
108 params.iftype_num[change_vif->wdev.iftype]--;
109 } else {
110 params.iftype_num[new_type]++;
111 }
112
113 ret = cfg80211_check_combinations(wiphy, ¶ms);
114
115 return ret;
116}
117
118static int
119qtnf_change_virtual_intf(struct wiphy *wiphy,
120 struct net_device *dev,
121 enum nl80211_iftype type,
122 struct vif_params *params)
123{
124 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
125 u8 *mac_addr;
126 int ret;
127
128 ret = qtnf_validate_iface_combinations(wiphy, vif, type);
129 if (ret) {
130 pr_err("VIF%u.%u combination check: failed to set type %d\n",
131 vif->mac->macid, vif->vifid, type);
132 return ret;
133 }
134
135 if (params)
136 mac_addr = params->macaddr;
137 else
138 mac_addr = NULL;
139
140 qtnf_scan_done(vif->mac, true);
141
142 ret = qtnf_cmd_send_change_intf_type(vif, type, mac_addr);
143 if (ret) {
144 pr_err("VIF%u.%u: failed to change VIF type: %d\n",
145 vif->mac->macid, vif->vifid, ret);
146 return ret;
147 }
148
149 vif->wdev.iftype = type;
150 return 0;
151}
152
153int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
154{
155 struct net_device *netdev = wdev->netdev;
156 struct qtnf_vif *vif;
157
158 if (WARN_ON(!netdev))
159 return -EFAULT;
160
161 vif = qtnf_netdev_get_priv(wdev->netdev);
162
163 qtnf_scan_done(vif->mac, true);
164
165
166 netif_tx_stop_all_queues(netdev);
167 if (netif_carrier_ok(netdev))
168 netif_carrier_off(netdev);
169
170 if (netdev->reg_state == NETREG_REGISTERED)
171 unregister_netdevice(netdev);
172
173 if (qtnf_cmd_send_del_intf(vif))
174 pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid,
175 vif->vifid);
176
177 vif->netdev->ieee80211_ptr = NULL;
178 vif->netdev = NULL;
179 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
180
181 return 0;
182}
183
184static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy,
185 const char *name,
186 unsigned char name_assign_t,
187 enum nl80211_iftype type,
188 struct vif_params *params)
189{
190 struct qtnf_wmac *mac;
191 struct qtnf_vif *vif;
192 u8 *mac_addr = NULL;
193 int ret;
194
195 mac = wiphy_priv(wiphy);
196
197 if (!mac)
198 return ERR_PTR(-EFAULT);
199
200 ret = qtnf_validate_iface_combinations(wiphy, NULL, type);
201 if (ret) {
202 pr_err("MAC%u invalid combination: failed to add type %d\n",
203 mac->macid, type);
204 return ERR_PTR(ret);
205 }
206
207 switch (type) {
208 case NL80211_IFTYPE_STATION:
209 case NL80211_IFTYPE_AP:
210 vif = qtnf_mac_get_free_vif(mac);
211 if (!vif) {
212 pr_err("MAC%u: no free VIF available\n", mac->macid);
213 return ERR_PTR(-EFAULT);
214 }
215
216 eth_zero_addr(vif->mac_addr);
217 eth_zero_addr(vif->bssid);
218 vif->bss_priority = QTNF_DEF_BSS_PRIORITY;
219 vif->sta_state = QTNF_STA_DISCONNECTED;
220 memset(&vif->wdev, 0, sizeof(vif->wdev));
221 vif->wdev.wiphy = wiphy;
222 vif->wdev.iftype = type;
223 break;
224 default:
225 pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type);
226 return ERR_PTR(-ENOTSUPP);
227 }
228
229 if (params)
230 mac_addr = params->macaddr;
231
232 if (qtnf_cmd_send_add_intf(vif, type, mac_addr)) {
233 pr_err("VIF%u.%u: failed to add VIF\n", mac->macid, vif->vifid);
234 goto err_cmd;
235 }
236
237 if (!is_valid_ether_addr(vif->mac_addr)) {
238 pr_err("VIF%u.%u: FW reported bad MAC: %pM\n",
239 mac->macid, vif->vifid, vif->mac_addr);
240 goto err_mac;
241 }
242
243 if (qtnf_core_net_attach(mac, vif, name, name_assign_t)) {
244 pr_err("VIF%u.%u: failed to attach netdev\n", mac->macid,
245 vif->vifid);
246 goto err_net;
247 }
248
249 vif->wdev.netdev = vif->netdev;
250 return &vif->wdev;
251
252err_net:
253 vif->netdev = NULL;
254err_mac:
255 qtnf_cmd_send_del_intf(vif);
256err_cmd:
257 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
258
259 return ERR_PTR(-EFAULT);
260}
261
262static int qtnf_mgmt_set_appie(struct qtnf_vif *vif,
263 const struct cfg80211_beacon_data *info)
264{
265 int ret = 0;
266
267 if (!info->beacon_ies || !info->beacon_ies_len) {
268 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES,
269 NULL, 0);
270 } else {
271 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES,
272 info->beacon_ies,
273 info->beacon_ies_len);
274 }
275
276 if (ret)
277 goto out;
278
279 if (!info->proberesp_ies || !info->proberesp_ies_len) {
280 ret = qtnf_cmd_send_mgmt_set_appie(vif,
281 QLINK_IE_SET_PROBE_RESP_IES,
282 NULL, 0);
283 } else {
284 ret = qtnf_cmd_send_mgmt_set_appie(vif,
285 QLINK_IE_SET_PROBE_RESP_IES,
286 info->proberesp_ies,
287 info->proberesp_ies_len);
288 }
289
290 if (ret)
291 goto out;
292
293 if (!info->assocresp_ies || !info->assocresp_ies_len) {
294 ret = qtnf_cmd_send_mgmt_set_appie(vif,
295 QLINK_IE_SET_ASSOC_RESP,
296 NULL, 0);
297 } else {
298 ret = qtnf_cmd_send_mgmt_set_appie(vif,
299 QLINK_IE_SET_ASSOC_RESP,
300 info->assocresp_ies,
301 info->assocresp_ies_len);
302 }
303
304out:
305 return ret;
306}
307
308static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev,
309 struct cfg80211_beacon_data *info)
310{
311 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
312
313 return qtnf_mgmt_set_appie(vif, info);
314}
315
316static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev,
317 struct cfg80211_ap_settings *settings)
318{
319 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
320 int ret;
321
322 ret = qtnf_cmd_send_start_ap(vif, settings);
323 if (ret)
324 pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid,
325 vif->vifid);
326
327 return ret;
328}
329
330static int qtnf_stop_ap(struct wiphy *wiphy, struct net_device *dev)
331{
332 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
333 int ret;
334
335 qtnf_scan_done(vif->mac, true);
336
337 ret = qtnf_cmd_send_stop_ap(vif);
338 if (ret) {
339 pr_err("VIF%u.%u: failed to stop AP operation in FW\n",
340 vif->mac->macid, vif->vifid);
341
342 netif_carrier_off(vif->netdev);
343 }
344
345 return ret;
346}
347
348static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed)
349{
350 struct qtnf_wmac *mac = wiphy_priv(wiphy);
351 struct qtnf_vif *vif;
352 int ret;
353
354 vif = qtnf_mac_get_base_vif(mac);
355 if (!vif) {
356 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
357 return -EFAULT;
358 }
359
360 if (changed & (WIPHY_PARAM_RETRY_LONG | WIPHY_PARAM_RETRY_SHORT)) {
361 pr_err("MAC%u: can't modify retry params\n", mac->macid);
362 return -EOPNOTSUPP;
363 }
364
365 ret = qtnf_cmd_send_update_phy_params(mac, changed);
366 if (ret)
367 pr_err("MAC%u: failed to update PHY params\n", mac->macid);
368
369 return ret;
370}
371
372static void
373qtnf_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev,
374 u16 frame_type, bool reg)
375{
376 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
377 u16 mgmt_type;
378 u16 new_mask;
379 u16 qlink_frame_type = 0;
380
381 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
382
383 if (reg)
384 new_mask = vif->mgmt_frames_bitmask | BIT(mgmt_type);
385 else
386 new_mask = vif->mgmt_frames_bitmask & ~BIT(mgmt_type);
387
388 if (new_mask == vif->mgmt_frames_bitmask)
389 return;
390
391 switch (frame_type & IEEE80211_FCTL_STYPE) {
392 case IEEE80211_STYPE_REASSOC_REQ:
393 case IEEE80211_STYPE_ASSOC_REQ:
394 qlink_frame_type = QLINK_MGMT_FRAME_ASSOC_REQ;
395 break;
396 case IEEE80211_STYPE_AUTH:
397 qlink_frame_type = QLINK_MGMT_FRAME_AUTH;
398 break;
399 case IEEE80211_STYPE_PROBE_REQ:
400 qlink_frame_type = QLINK_MGMT_FRAME_PROBE_REQ;
401 break;
402 case IEEE80211_STYPE_ACTION:
403 qlink_frame_type = QLINK_MGMT_FRAME_ACTION;
404 break;
405 default:
406 pr_warn("VIF%u.%u: unsupported frame type: %X\n",
407 vif->mac->macid, vif->vifid,
408 (frame_type & IEEE80211_FCTL_STYPE) >> 4);
409 return;
410 }
411
412 if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) {
413 pr_warn("VIF%u.%u: failed to %sregister mgmt frame type 0x%x\n",
414 vif->mac->macid, vif->vifid, reg ? "" : "un",
415 frame_type);
416 return;
417 }
418
419 vif->mgmt_frames_bitmask = new_mask;
420 pr_debug("VIF%u.%u: %sregistered mgmt frame type 0x%x\n",
421 vif->mac->macid, vif->vifid, reg ? "" : "un", frame_type);
422}
423
424static int
425qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
426 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
427{
428 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
429 const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf;
430 u32 short_cookie = prandom_u32();
431 u16 flags = 0;
432 u16 freq;
433
434 *cookie = short_cookie;
435
436 if (params->offchan)
437 flags |= QLINK_MGMT_FRAME_TX_FLAG_OFFCHAN;
438
439 if (params->no_cck)
440 flags |= QLINK_MGMT_FRAME_TX_FLAG_NO_CCK;
441
442 if (params->dont_wait_for_ack)
443 flags |= QLINK_MGMT_FRAME_TX_FLAG_ACK_NOWAIT;
444
445
446
447
448 if (params->chan)
449 freq = params->chan->center_freq;
450 else
451 freq = 0;
452
453 pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n",
454 wdev->netdev->name, freq,
455 le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da,
456 params->len, short_cookie, flags);
457
458 return qtnf_cmd_send_mgmt_frame(vif, short_cookie, flags,
459 freq,
460 params->buf, params->len);
461}
462
463static int
464qtnf_get_station(struct wiphy *wiphy, struct net_device *dev,
465 const u8 *mac, struct station_info *sinfo)
466{
467 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
468
469 sinfo->generation = vif->generation;
470 return qtnf_cmd_get_sta_info(vif, mac, sinfo);
471}
472
473static int
474qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev,
475 int idx, u8 *mac, struct station_info *sinfo)
476{
477 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
478 const struct qtnf_sta_node *sta_node;
479 int ret;
480
481 sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx);
482
483 if (unlikely(!sta_node))
484 return -ENOENT;
485
486 ether_addr_copy(mac, sta_node->mac_addr);
487
488 ret = qtnf_cmd_get_sta_info(vif, sta_node->mac_addr, sinfo);
489
490 if (unlikely(ret == -ENOENT)) {
491 qtnf_sta_list_del(vif, mac);
492 cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL);
493 sinfo->filled = 0;
494 }
495
496 sinfo->generation = vif->generation;
497
498 return ret;
499}
500
501static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev,
502 u8 key_index, bool pairwise, const u8 *mac_addr,
503 struct key_params *params)
504{
505 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
506 int ret;
507
508 ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params);
509 if (ret)
510 pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n",
511 vif->mac->macid, vif->vifid, params->cipher, key_index,
512 pairwise);
513
514 return ret;
515}
516
517static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev,
518 u8 key_index, bool pairwise, const u8 *mac_addr)
519{
520 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
521 int ret;
522
523 ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr);
524 if (ret)
525 pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n",
526 vif->mac->macid, vif->vifid, key_index, pairwise);
527
528 return ret;
529}
530
531static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev,
532 u8 key_index, bool unicast, bool multicast)
533{
534 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
535 int ret;
536
537 ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast);
538 if (ret)
539 pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n",
540 vif->mac->macid, vif->vifid, key_index, unicast,
541 multicast);
542
543 return ret;
544}
545
546static int
547qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev,
548 u8 key_index)
549{
550 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
551 int ret;
552
553 ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index);
554 if (ret)
555 pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n",
556 vif->mac->macid, vif->vifid, key_index);
557
558 return ret;
559}
560
561static int
562qtnf_change_station(struct wiphy *wiphy, struct net_device *dev,
563 const u8 *mac, struct station_parameters *params)
564{
565 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
566 int ret;
567
568 ret = qtnf_cmd_send_change_sta(vif, mac, params);
569 if (ret)
570 pr_err("VIF%u.%u: failed to change STA %pM\n",
571 vif->mac->macid, vif->vifid, mac);
572
573 return ret;
574}
575
576static int
577qtnf_del_station(struct wiphy *wiphy, struct net_device *dev,
578 struct station_del_parameters *params)
579{
580 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
581 int ret;
582
583 if (params->mac &&
584 (vif->wdev.iftype == NL80211_IFTYPE_AP) &&
585 !is_broadcast_ether_addr(params->mac) &&
586 !qtnf_sta_list_lookup(&vif->sta_list, params->mac))
587 return 0;
588
589 ret = qtnf_cmd_send_del_sta(vif, params);
590 if (ret)
591 pr_err("VIF%u.%u: failed to delete STA %pM\n",
592 vif->mac->macid, vif->vifid, params->mac);
593 return ret;
594}
595
596static int
597qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
598{
599 struct qtnf_wmac *mac = wiphy_priv(wiphy);
600
601 cancel_delayed_work_sync(&mac->scan_timeout);
602
603 mac->scan_req = request;
604
605 if (qtnf_cmd_send_scan(mac)) {
606 pr_err("MAC%u: failed to start scan\n", mac->macid);
607 mac->scan_req = NULL;
608 return -EFAULT;
609 }
610
611 queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout,
612 QTNF_SCAN_TIMEOUT_SEC * HZ);
613
614 return 0;
615}
616
617static int
618qtnf_connect(struct wiphy *wiphy, struct net_device *dev,
619 struct cfg80211_connect_params *sme)
620{
621 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
622 int ret;
623
624 if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
625 return -EOPNOTSUPP;
626
627 if (vif->sta_state != QTNF_STA_DISCONNECTED)
628 return -EBUSY;
629
630 if (sme->bssid)
631 ether_addr_copy(vif->bssid, sme->bssid);
632 else
633 eth_zero_addr(vif->bssid);
634
635 ret = qtnf_cmd_send_connect(vif, sme);
636 if (ret) {
637 pr_err("VIF%u.%u: failed to connect\n", vif->mac->macid,
638 vif->vifid);
639 return ret;
640 }
641
642 vif->sta_state = QTNF_STA_CONNECTING;
643 return 0;
644}
645
646static int
647qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev,
648 u16 reason_code)
649{
650 struct qtnf_wmac *mac = wiphy_priv(wiphy);
651 struct qtnf_vif *vif;
652 int ret = 0;
653
654 vif = qtnf_mac_get_base_vif(mac);
655 if (!vif) {
656 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
657 return -EFAULT;
658 }
659
660 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) {
661 ret = -EOPNOTSUPP;
662 goto out;
663 }
664
665 qtnf_scan_done(mac, true);
666
667 if (vif->sta_state == QTNF_STA_DISCONNECTED)
668 goto out;
669
670 ret = qtnf_cmd_send_disconnect(vif, reason_code);
671 if (ret) {
672 pr_err("VIF%u.%u: failed to disconnect\n", mac->macid,
673 vif->vifid);
674 goto out;
675 }
676
677out:
678 if (vif->sta_state == QTNF_STA_CONNECTING)
679 vif->sta_state = QTNF_STA_DISCONNECTED;
680
681 return ret;
682}
683
684static int
685qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev,
686 int idx, struct survey_info *survey)
687{
688 struct qtnf_wmac *mac = wiphy_priv(wiphy);
689 struct wireless_dev *wdev = dev->ieee80211_ptr;
690 struct ieee80211_supported_band *sband;
691 const struct cfg80211_chan_def *chandef = &wdev->chandef;
692 struct ieee80211_channel *chan;
693 struct qtnf_chan_stats stats;
694 struct qtnf_vif *vif;
695 int ret;
696
697 vif = qtnf_netdev_get_priv(dev);
698
699 sband = wiphy->bands[NL80211_BAND_2GHZ];
700 if (sband && idx >= sband->n_channels) {
701 idx -= sband->n_channels;
702 sband = NULL;
703 }
704
705 if (!sband)
706 sband = wiphy->bands[NL80211_BAND_5GHZ];
707
708 if (!sband || idx >= sband->n_channels)
709 return -ENOENT;
710
711 chan = &sband->channels[idx];
712 memset(&stats, 0, sizeof(stats));
713
714 survey->channel = chan;
715 survey->filled = 0x0;
716
717 if (chandef->chan) {
718 if (chan->hw_value == chandef->chan->hw_value)
719 survey->filled = SURVEY_INFO_IN_USE;
720 }
721
722 ret = qtnf_cmd_get_chan_stats(mac, chan->hw_value, &stats);
723 switch (ret) {
724 case 0:
725 if (unlikely(stats.chan_num != chan->hw_value)) {
726 pr_err("received stats for channel %d instead of %d\n",
727 stats.chan_num, chan->hw_value);
728 ret = -EINVAL;
729 break;
730 }
731
732 survey->filled |= SURVEY_INFO_TIME |
733 SURVEY_INFO_TIME_SCAN |
734 SURVEY_INFO_TIME_BUSY |
735 SURVEY_INFO_TIME_RX |
736 SURVEY_INFO_TIME_TX |
737 SURVEY_INFO_NOISE_DBM;
738
739 survey->time_scan = stats.cca_try;
740 survey->time = stats.cca_try;
741 survey->time_tx = stats.cca_tx;
742 survey->time_rx = stats.cca_rx;
743 survey->time_busy = stats.cca_busy;
744 survey->noise = stats.chan_noise;
745 break;
746 case -ENOENT:
747 pr_debug("no stats for channel %u\n", chan->hw_value);
748 ret = 0;
749 break;
750 default:
751 pr_debug("failed to get chan(%d) stats from card\n",
752 chan->hw_value);
753 ret = -EINVAL;
754 break;
755 }
756
757 return ret;
758}
759
760static int
761qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
762 struct cfg80211_chan_def *chandef)
763{
764 struct net_device *ndev = wdev->netdev;
765 struct qtnf_vif *vif;
766 int ret;
767
768 if (!ndev)
769 return -ENODEV;
770
771 vif = qtnf_netdev_get_priv(wdev->netdev);
772
773 ret = qtnf_cmd_get_channel(vif, chandef);
774 if (ret) {
775 pr_err("%s: failed to get channel: %d\n", ndev->name, ret);
776 goto out;
777 }
778
779 if (!cfg80211_chandef_valid(chandef)) {
780 pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n",
781 ndev->name, chandef->chan->center_freq,
782 chandef->center_freq1, chandef->center_freq2,
783 chandef->width);
784 ret = -ENODATA;
785 }
786
787out:
788 return ret;
789}
790
791static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev,
792 struct cfg80211_csa_settings *params)
793{
794 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
795 int ret;
796
797 pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name,
798 params->chandef.chan->hw_value, params->count,
799 params->radar_required, params->block_tx);
800
801 if (!cfg80211_chandef_valid(¶ms->chandef)) {
802 pr_err("%s: invalid channel\n", dev->name);
803 return -EINVAL;
804 }
805
806 ret = qtnf_cmd_send_chan_switch(vif, params);
807 if (ret)
808 pr_warn("%s: failed to switch to channel (%u)\n",
809 dev->name, params->chandef.chan->hw_value);
810
811 return ret;
812}
813
814static int qtnf_start_radar_detection(struct wiphy *wiphy,
815 struct net_device *ndev,
816 struct cfg80211_chan_def *chandef,
817 u32 cac_time_ms)
818{
819 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
820 int ret;
821
822 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
823 return -ENOTSUPP;
824
825 ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms);
826 if (ret)
827 pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret);
828
829 return ret;
830}
831
832static int qtnf_set_mac_acl(struct wiphy *wiphy,
833 struct net_device *dev,
834 const struct cfg80211_acl_data *params)
835{
836 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
837 int ret;
838
839 ret = qtnf_cmd_set_mac_acl(vif, params);
840 if (ret)
841 pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret);
842
843 return ret;
844}
845
846static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
847 bool enabled, int timeout)
848{
849 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
850 int ret;
851
852 ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY :
853 QLINK_PM_OFF, timeout);
854 if (ret) {
855 pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret);
856 return ret;
857 }
858
859 return ret;
860}
861
862#ifdef CONFIG_PM
863static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan)
864{
865 struct qtnf_wmac *mac = wiphy_priv(wiphy);
866 struct qtnf_vif *vif;
867 int ret = 0;
868
869 vif = qtnf_mac_get_base_vif(mac);
870 if (!vif) {
871 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
872 ret = -EFAULT;
873 goto exit;
874 }
875
876 if (!wowlan) {
877 pr_debug("WoWLAN triggers are not enabled\n");
878 qtnf_virtual_intf_cleanup(vif->netdev);
879 goto exit;
880 }
881
882 qtnf_scan_done(vif->mac, true);
883
884 ret = qtnf_cmd_send_wowlan_set(vif, wowlan);
885 if (ret) {
886 pr_err("MAC%u: failed to set WoWLAN triggers\n",
887 mac->macid);
888 goto exit;
889 }
890
891exit:
892 return ret;
893}
894
895static int qtnf_resume(struct wiphy *wiphy)
896{
897 struct qtnf_wmac *mac = wiphy_priv(wiphy);
898 struct qtnf_vif *vif;
899 int ret = 0;
900
901 vif = qtnf_mac_get_base_vif(mac);
902 if (!vif) {
903 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
904 ret = -EFAULT;
905 goto exit;
906 }
907
908 ret = qtnf_cmd_send_wowlan_set(vif, NULL);
909 if (ret) {
910 pr_err("MAC%u: failed to reset WoWLAN triggers\n",
911 mac->macid);
912 goto exit;
913 }
914
915exit:
916 return ret;
917}
918
919static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled)
920{
921 struct qtnf_wmac *mac = wiphy_priv(wiphy);
922 struct qtnf_bus *bus = mac->bus;
923
924 device_set_wakeup_enable(bus->dev, enabled);
925}
926#endif
927
928static struct cfg80211_ops qtn_cfg80211_ops = {
929 .add_virtual_intf = qtnf_add_virtual_intf,
930 .change_virtual_intf = qtnf_change_virtual_intf,
931 .del_virtual_intf = qtnf_del_virtual_intf,
932 .start_ap = qtnf_start_ap,
933 .change_beacon = qtnf_change_beacon,
934 .stop_ap = qtnf_stop_ap,
935 .set_wiphy_params = qtnf_set_wiphy_params,
936 .mgmt_frame_register = qtnf_mgmt_frame_register,
937 .mgmt_tx = qtnf_mgmt_tx,
938 .change_station = qtnf_change_station,
939 .del_station = qtnf_del_station,
940 .get_station = qtnf_get_station,
941 .dump_station = qtnf_dump_station,
942 .add_key = qtnf_add_key,
943 .del_key = qtnf_del_key,
944 .set_default_key = qtnf_set_default_key,
945 .set_default_mgmt_key = qtnf_set_default_mgmt_key,
946 .scan = qtnf_scan,
947 .connect = qtnf_connect,
948 .disconnect = qtnf_disconnect,
949 .dump_survey = qtnf_dump_survey,
950 .get_channel = qtnf_get_channel,
951 .channel_switch = qtnf_channel_switch,
952 .start_radar_detection = qtnf_start_radar_detection,
953 .set_mac_acl = qtnf_set_mac_acl,
954 .set_power_mgmt = qtnf_set_power_mgmt,
955#ifdef CONFIG_PM
956 .suspend = qtnf_suspend,
957 .resume = qtnf_resume,
958 .set_wakeup = qtnf_set_wakeup,
959#endif
960};
961
962static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy_in,
963 struct regulatory_request *req)
964{
965 struct qtnf_wmac *mac = wiphy_priv(wiphy_in);
966 struct qtnf_bus *bus = mac->bus;
967 struct wiphy *wiphy;
968 unsigned int mac_idx;
969 enum nl80211_band band;
970 int ret;
971
972 pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator,
973 req->alpha2[0], req->alpha2[1]);
974
975 ret = qtnf_cmd_reg_notify(bus, req);
976 if (ret) {
977 if (ret != -EOPNOTSUPP && ret != -EALREADY)
978 pr_err("failed to update reg domain to %c%c\n",
979 req->alpha2[0], req->alpha2[1]);
980 return;
981 }
982
983 for (mac_idx = 0; mac_idx < QTNF_MAX_MAC; ++mac_idx) {
984 if (!(bus->hw_info.mac_bitmap & (1 << mac_idx)))
985 continue;
986
987 mac = bus->mac[mac_idx];
988 if (!mac)
989 continue;
990
991 wiphy = priv_to_wiphy(mac);
992
993 for (band = 0; band < NUM_NL80211_BANDS; ++band) {
994 if (!wiphy->bands[band])
995 continue;
996
997 ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]);
998 if (ret)
999 pr_err("failed to get chan info for mac %u band %u\n",
1000 mac_idx, band);
1001 }
1002 }
1003}
1004
1005struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus)
1006{
1007 struct wiphy *wiphy;
1008
1009 if (bus->hw_info.hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD)
1010 qtn_cfg80211_ops.start_radar_detection = NULL;
1011
1012 if (!(bus->hw_info.hw_capab & QLINK_HW_CAPAB_PWR_MGMT))
1013 qtn_cfg80211_ops.set_power_mgmt = NULL;
1014
1015 wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac));
1016 if (!wiphy)
1017 return NULL;
1018
1019 set_wiphy_dev(wiphy, bus->dev);
1020
1021 return wiphy;
1022}
1023
1024static int
1025qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info)
1026{
1027 struct ieee80211_iface_combination *if_comb;
1028 size_t n_if_comb;
1029 u16 interface_modes = 0;
1030 size_t i, j;
1031
1032 if_comb = mac_info->if_comb;
1033 n_if_comb = mac_info->n_if_comb;
1034
1035 if (!if_comb || !n_if_comb)
1036 return -ENOENT;
1037
1038 for (i = 0; i < n_if_comb; i++) {
1039 if_comb[i].radar_detect_widths = mac_info->radar_detect_widths;
1040
1041 for (j = 0; j < if_comb[i].n_limits; j++)
1042 interface_modes |= if_comb[i].limits[j].types;
1043 }
1044
1045 wiphy->iface_combinations = if_comb;
1046 wiphy->n_iface_combinations = n_if_comb;
1047 wiphy->interface_modes = interface_modes;
1048
1049 return 0;
1050}
1051
1052int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac)
1053{
1054 struct wiphy *wiphy = priv_to_wiphy(mac);
1055 struct qtnf_mac_info *macinfo = &mac->macinfo;
1056 int ret;
1057
1058 if (!wiphy) {
1059 pr_err("invalid wiphy pointer\n");
1060 return -EFAULT;
1061 }
1062
1063 wiphy->frag_threshold = macinfo->frag_thr;
1064 wiphy->rts_threshold = macinfo->rts_thr;
1065 wiphy->retry_short = macinfo->sretry_limit;
1066 wiphy->retry_long = macinfo->lretry_limit;
1067 wiphy->coverage_class = macinfo->coverage_class;
1068
1069 wiphy->max_scan_ssids =
1070 (hw_info->max_scan_ssids) ? hw_info->max_scan_ssids : 1;
1071 wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN;
1072 wiphy->mgmt_stypes = qtnf_mgmt_stypes;
1073 wiphy->max_remain_on_channel_duration = 5000;
1074 wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs;
1075 wiphy->max_num_csa_counters = 2;
1076
1077 ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo);
1078 if (ret)
1079 goto out;
1080
1081
1082 wiphy->cipher_suites = qtnf_cipher_suites;
1083 wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites);
1084 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1085 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1086 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
1087 WIPHY_FLAG_AP_UAPSD |
1088 WIPHY_FLAG_HAS_CHANNEL_SWITCH;
1089 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
1090
1091 if (hw_info->hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD)
1092 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD);
1093
1094 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1095 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2;
1096
1097 wiphy->available_antennas_tx = macinfo->num_tx_chain;
1098 wiphy->available_antennas_rx = macinfo->num_rx_chain;
1099
1100 wiphy->max_ap_assoc_sta = macinfo->max_ap_assoc_sta;
1101 wiphy->ht_capa_mod_mask = &macinfo->ht_cap_mod_mask;
1102 wiphy->vht_capa_mod_mask = &macinfo->vht_cap_mod_mask;
1103
1104 ether_addr_copy(wiphy->perm_addr, mac->macaddr);
1105
1106 if (hw_info->hw_capab & QLINK_HW_CAPAB_STA_INACT_TIMEOUT)
1107 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
1108
1109 if (hw_info->hw_capab & QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR)
1110 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
1111
1112#ifdef CONFIG_PM
1113 if (macinfo->wowlan)
1114 wiphy->wowlan = macinfo->wowlan;
1115#endif
1116
1117 if (hw_info->hw_capab & QLINK_HW_CAPAB_REG_UPDATE) {
1118 wiphy->regulatory_flags |= REGULATORY_STRICT_REG |
1119 REGULATORY_CUSTOM_REG;
1120 wiphy->reg_notifier = qtnf_cfg80211_reg_notifier;
1121 wiphy_apply_custom_regulatory(wiphy, hw_info->rd);
1122 } else {
1123 wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
1124 }
1125
1126 strlcpy(wiphy->fw_version, hw_info->fw_version,
1127 sizeof(wiphy->fw_version));
1128 wiphy->hw_version = hw_info->hw_version;
1129
1130 ret = wiphy_register(wiphy);
1131 if (ret < 0)
1132 goto out;
1133
1134 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED)
1135 ret = regulatory_set_wiphy_regd(wiphy, hw_info->rd);
1136 else if (isalpha(hw_info->rd->alpha2[0]) &&
1137 isalpha(hw_info->rd->alpha2[1]))
1138 ret = regulatory_hint(wiphy, hw_info->rd->alpha2);
1139
1140out:
1141 return ret;
1142}
1143
1144void qtnf_netdev_updown(struct net_device *ndev, bool up)
1145{
1146 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1147
1148 if (qtnf_cmd_send_updown_intf(vif, up))
1149 pr_err("failed to send up/down command to FW\n");
1150}
1151
1152void qtnf_virtual_intf_cleanup(struct net_device *ndev)
1153{
1154 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1155 struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy);
1156
1157 if (vif->wdev.iftype == NL80211_IFTYPE_STATION) {
1158 switch (vif->sta_state) {
1159 case QTNF_STA_DISCONNECTED:
1160 break;
1161 case QTNF_STA_CONNECTING:
1162 cfg80211_connect_result(vif->netdev,
1163 vif->bssid, NULL, 0,
1164 NULL, 0,
1165 WLAN_STATUS_UNSPECIFIED_FAILURE,
1166 GFP_KERNEL);
1167 qtnf_disconnect(vif->wdev.wiphy, ndev,
1168 WLAN_REASON_DEAUTH_LEAVING);
1169 break;
1170 case QTNF_STA_CONNECTED:
1171 cfg80211_disconnected(vif->netdev,
1172 WLAN_REASON_DEAUTH_LEAVING,
1173 NULL, 0, 1, GFP_KERNEL);
1174 qtnf_disconnect(vif->wdev.wiphy, ndev,
1175 WLAN_REASON_DEAUTH_LEAVING);
1176 break;
1177 }
1178
1179 vif->sta_state = QTNF_STA_DISCONNECTED;
1180 }
1181
1182 qtnf_scan_done(mac, true);
1183}
1184
1185void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif)
1186{
1187 if (vif->wdev.iftype == NL80211_IFTYPE_STATION) {
1188 switch (vif->sta_state) {
1189 case QTNF_STA_CONNECTING:
1190 cfg80211_connect_result(vif->netdev,
1191 vif->bssid, NULL, 0,
1192 NULL, 0,
1193 WLAN_STATUS_UNSPECIFIED_FAILURE,
1194 GFP_KERNEL);
1195 break;
1196 case QTNF_STA_CONNECTED:
1197 cfg80211_disconnected(vif->netdev,
1198 WLAN_REASON_DEAUTH_LEAVING,
1199 NULL, 0, 1, GFP_KERNEL);
1200 break;
1201 case QTNF_STA_DISCONNECTED:
1202 break;
1203 }
1204 }
1205
1206 cfg80211_shutdown_all_interfaces(vif->wdev.wiphy);
1207 vif->sta_state = QTNF_STA_DISCONNECTED;
1208}
1209
1210void qtnf_band_init_rates(struct ieee80211_supported_band *band)
1211{
1212 switch (band->band) {
1213 case NL80211_BAND_2GHZ:
1214 band->bitrates = qtnf_rates_2g;
1215 band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g);
1216 break;
1217 case NL80211_BAND_5GHZ:
1218 band->bitrates = qtnf_rates_5g;
1219 band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g);
1220 break;
1221 default:
1222 band->bitrates = NULL;
1223 band->n_bitrates = 0;
1224 break;
1225 }
1226}
1227
