1
2
3
4#include <linux/kernel.h>
5#include <linux/etherdevice.h>
6#include <linux/vmalloc.h>
7#include <linux/ieee80211.h>
8#include <net/cfg80211.h>
9#include <net/netlink.h>
10
11#include "cfg80211.h"
12#include "commands.h"
13#include "core.h"
14#include "util.h"
15#include "bus.h"
16
17
18static struct ieee80211_rate qtnf_rates_2g[] = {
19 {.bitrate = 10, .hw_value = 2, },
20 {.bitrate = 20, .hw_value = 4, },
21 {.bitrate = 55, .hw_value = 11, },
22 {.bitrate = 110, .hw_value = 22, },
23 {.bitrate = 60, .hw_value = 12, },
24 {.bitrate = 90, .hw_value = 18, },
25 {.bitrate = 120, .hw_value = 24, },
26 {.bitrate = 180, .hw_value = 36, },
27 {.bitrate = 240, .hw_value = 48, },
28 {.bitrate = 360, .hw_value = 72, },
29 {.bitrate = 480, .hw_value = 96, },
30 {.bitrate = 540, .hw_value = 108, },
31};
32
33
34static struct ieee80211_rate qtnf_rates_5g[] = {
35 {.bitrate = 60, .hw_value = 12, },
36 {.bitrate = 90, .hw_value = 18, },
37 {.bitrate = 120, .hw_value = 24, },
38 {.bitrate = 180, .hw_value = 36, },
39 {.bitrate = 240, .hw_value = 48, },
40 {.bitrate = 360, .hw_value = 72, },
41 {.bitrate = 480, .hw_value = 96, },
42 {.bitrate = 540, .hw_value = 108, },
43};
44
45
46static const u32 qtnf_cipher_suites[] = {
47 WLAN_CIPHER_SUITE_TKIP,
48 WLAN_CIPHER_SUITE_CCMP,
49 WLAN_CIPHER_SUITE_AES_CMAC,
50};
51
52
53static const struct ieee80211_txrx_stypes
54qtnf_mgmt_stypes[NUM_NL80211_IFTYPES] = {
55 [NL80211_IFTYPE_STATION] = {
56 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
57 BIT(IEEE80211_STYPE_AUTH >> 4),
58 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
59 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
60 BIT(IEEE80211_STYPE_AUTH >> 4),
61 },
62 [NL80211_IFTYPE_AP] = {
63 .tx = BIT(IEEE80211_STYPE_ACTION >> 4),
64 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
65 BIT(IEEE80211_STYPE_PROBE_REQ >> 4) |
66 BIT(IEEE80211_STYPE_ASSOC_REQ >> 4) |
67 BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
68 BIT(IEEE80211_STYPE_AUTH >> 4),
69 },
70};
71
72static int
73qtnf_validate_iface_combinations(struct wiphy *wiphy,
74 struct qtnf_vif *change_vif,
75 enum nl80211_iftype new_type)
76{
77 struct qtnf_wmac *mac;
78 struct qtnf_vif *vif;
79 int i;
80 int ret = 0;
81 struct iface_combination_params params = {
82 .num_different_channels = 1,
83 };
84
85 mac = wiphy_priv(wiphy);
86 if (!mac)
87 return -EFAULT;
88
89 for (i = 0; i < QTNF_MAX_INTF; i++) {
90 vif = &mac->iflist[i];
91 if (vif->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED)
92 params.iftype_num[vif->wdev.iftype]++;
93 }
94
95 if (change_vif) {
96 params.iftype_num[new_type]++;
97 params.iftype_num[change_vif->wdev.iftype]--;
98 } else {
99 params.iftype_num[new_type]++;
100 }
101
102 ret = cfg80211_check_combinations(wiphy, ¶ms);
103
104 return ret;
105}
106
107static int
108qtnf_change_virtual_intf(struct wiphy *wiphy,
109 struct net_device *dev,
110 enum nl80211_iftype type,
111 struct vif_params *params)
112{
113 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
114 u8 *mac_addr = NULL;
115 int use4addr = 0;
116 int ret;
117
118 ret = qtnf_validate_iface_combinations(wiphy, vif, type);
119 if (ret) {
120 pr_err("VIF%u.%u combination check: failed to set type %d\n",
121 vif->mac->macid, vif->vifid, type);
122 return ret;
123 }
124
125 if (params) {
126 mac_addr = params->macaddr;
127 use4addr = params->use_4addr;
128 }
129
130 qtnf_scan_done(vif->mac, true);
131
132 ret = qtnf_cmd_send_change_intf_type(vif, type, use4addr, mac_addr);
133 if (ret) {
134 pr_err("VIF%u.%u: failed to change type to %d\n",
135 vif->mac->macid, vif->vifid, type);
136 return ret;
137 }
138
139 vif->wdev.iftype = type;
140 return 0;
141}
142
143int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
144{
145 struct net_device *netdev = wdev->netdev;
146 struct qtnf_vif *vif;
147 struct sk_buff *skb;
148
149 if (WARN_ON(!netdev))
150 return -EFAULT;
151
152 vif = qtnf_netdev_get_priv(wdev->netdev);
153
154 qtnf_scan_done(vif->mac, true);
155
156
157 netif_tx_stop_all_queues(netdev);
158 if (netif_carrier_ok(netdev))
159 netif_carrier_off(netdev);
160
161 while ((skb = skb_dequeue(&vif->high_pri_tx_queue)))
162 dev_kfree_skb_any(skb);
163
164 cancel_work_sync(&vif->high_pri_tx_work);
165
166 if (netdev->reg_state == NETREG_REGISTERED)
167 unregister_netdevice(netdev);
168
169 if (qtnf_cmd_send_del_intf(vif))
170 pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid,
171 vif->vifid);
172
173 vif->netdev->ieee80211_ptr = NULL;
174 vif->netdev = NULL;
175 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
176
177 return 0;
178}
179
180static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy,
181 const char *name,
182 unsigned char name_assign_t,
183 enum nl80211_iftype type,
184 struct vif_params *params)
185{
186 struct qtnf_wmac *mac;
187 struct qtnf_vif *vif;
188 u8 *mac_addr = NULL;
189 int use4addr = 0;
190 int ret;
191
192 mac = wiphy_priv(wiphy);
193
194 if (!mac)
195 return ERR_PTR(-EFAULT);
196
197 ret = qtnf_validate_iface_combinations(wiphy, NULL, type);
198 if (ret) {
199 pr_err("MAC%u invalid combination: failed to add type %d\n",
200 mac->macid, type);
201 return ERR_PTR(ret);
202 }
203
204 switch (type) {
205 case NL80211_IFTYPE_STATION:
206 case NL80211_IFTYPE_AP:
207 vif = qtnf_mac_get_free_vif(mac);
208 if (!vif) {
209 pr_err("MAC%u: no free VIF available\n", mac->macid);
210 return ERR_PTR(-EFAULT);
211 }
212
213 eth_zero_addr(vif->mac_addr);
214 eth_zero_addr(vif->bssid);
215 vif->bss_priority = QTNF_DEF_BSS_PRIORITY;
216 memset(&vif->wdev, 0, sizeof(vif->wdev));
217 vif->wdev.wiphy = wiphy;
218 vif->wdev.iftype = type;
219 break;
220 default:
221 pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type);
222 return ERR_PTR(-ENOTSUPP);
223 }
224
225 if (params) {
226 mac_addr = params->macaddr;
227 use4addr = params->use_4addr;
228 }
229
230 ret = qtnf_cmd_send_add_intf(vif, type, use4addr, mac_addr);
231 if (ret) {
232 pr_err("VIF%u.%u: failed to add VIF %pM\n",
233 mac->macid, vif->vifid, mac_addr);
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 ret = -EINVAL;
241 goto err_mac;
242 }
243
244 ret = qtnf_core_net_attach(mac, vif, name, name_assign_t);
245 if (ret) {
246 pr_err("VIF%u.%u: failed to attach netdev\n", mac->macid,
247 vif->vifid);
248 goto err_net;
249 }
250
251 vif->wdev.netdev = vif->netdev;
252 return &vif->wdev;
253
254err_net:
255 vif->netdev = NULL;
256err_mac:
257 qtnf_cmd_send_del_intf(vif);
258err_cmd:
259 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
260
261 return ERR_PTR(ret);
262}
263
264static int qtnf_mgmt_set_appie(struct qtnf_vif *vif,
265 const struct cfg80211_beacon_data *info)
266{
267 int ret = 0;
268
269 if (!info->beacon_ies || !info->beacon_ies_len) {
270 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES,
271 NULL, 0);
272 } else {
273 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_IE_SET_BEACON_IES,
274 info->beacon_ies,
275 info->beacon_ies_len);
276 }
277
278 if (ret)
279 goto out;
280
281 if (!info->proberesp_ies || !info->proberesp_ies_len) {
282 ret = qtnf_cmd_send_mgmt_set_appie(vif,
283 QLINK_IE_SET_PROBE_RESP_IES,
284 NULL, 0);
285 } else {
286 ret = qtnf_cmd_send_mgmt_set_appie(vif,
287 QLINK_IE_SET_PROBE_RESP_IES,
288 info->proberesp_ies,
289 info->proberesp_ies_len);
290 }
291
292 if (ret)
293 goto out;
294
295 if (!info->assocresp_ies || !info->assocresp_ies_len) {
296 ret = qtnf_cmd_send_mgmt_set_appie(vif,
297 QLINK_IE_SET_ASSOC_RESP,
298 NULL, 0);
299 } else {
300 ret = qtnf_cmd_send_mgmt_set_appie(vif,
301 QLINK_IE_SET_ASSOC_RESP,
302 info->assocresp_ies,
303 info->assocresp_ies_len);
304 }
305
306out:
307 return ret;
308}
309
310static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev,
311 struct cfg80211_beacon_data *info)
312{
313 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
314
315 return qtnf_mgmt_set_appie(vif, info);
316}
317
318static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev,
319 struct cfg80211_ap_settings *settings)
320{
321 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
322 int ret;
323
324 ret = qtnf_cmd_send_start_ap(vif, settings);
325 if (ret)
326 pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid,
327 vif->vifid);
328
329 return ret;
330}
331
332static int qtnf_stop_ap(struct wiphy *wiphy, struct net_device *dev)
333{
334 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
335 int ret;
336
337 qtnf_scan_done(vif->mac, true);
338
339 ret = qtnf_cmd_send_stop_ap(vif);
340 if (ret)
341 pr_err("VIF%u.%u: failed to stop AP operation in FW\n",
342 vif->mac->macid, vif->vifid);
343
344 netif_carrier_off(vif->netdev);
345
346 return ret;
347}
348
349static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed)
350{
351 struct qtnf_wmac *mac = wiphy_priv(wiphy);
352 struct qtnf_vif *vif;
353 int ret;
354
355 vif = qtnf_mac_get_base_vif(mac);
356 if (!vif) {
357 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
358 return -EFAULT;
359 }
360
361 ret = qtnf_cmd_send_update_phy_params(mac, changed);
362 if (ret)
363 pr_err("MAC%u: failed to update PHY params\n", mac->macid);
364
365 return ret;
366}
367
368static void
369qtnf_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev,
370 u16 frame_type, bool reg)
371{
372 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
373 u16 mgmt_type;
374 u16 new_mask;
375 u16 qlink_frame_type = 0;
376
377 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
378
379 if (reg)
380 new_mask = vif->mgmt_frames_bitmask | BIT(mgmt_type);
381 else
382 new_mask = vif->mgmt_frames_bitmask & ~BIT(mgmt_type);
383
384 if (new_mask == vif->mgmt_frames_bitmask)
385 return;
386
387 switch (frame_type & IEEE80211_FCTL_STYPE) {
388 case IEEE80211_STYPE_REASSOC_REQ:
389 case IEEE80211_STYPE_ASSOC_REQ:
390 qlink_frame_type = QLINK_MGMT_FRAME_ASSOC_REQ;
391 break;
392 case IEEE80211_STYPE_AUTH:
393 qlink_frame_type = QLINK_MGMT_FRAME_AUTH;
394 break;
395 case IEEE80211_STYPE_PROBE_REQ:
396 qlink_frame_type = QLINK_MGMT_FRAME_PROBE_REQ;
397 break;
398 case IEEE80211_STYPE_ACTION:
399 qlink_frame_type = QLINK_MGMT_FRAME_ACTION;
400 break;
401 default:
402 pr_warn("VIF%u.%u: unsupported frame type: %X\n",
403 vif->mac->macid, vif->vifid,
404 (frame_type & IEEE80211_FCTL_STYPE) >> 4);
405 return;
406 }
407
408 if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) {
409 pr_warn("VIF%u.%u: failed to %sregister mgmt frame type 0x%x\n",
410 vif->mac->macid, vif->vifid, reg ? "" : "un",
411 frame_type);
412 return;
413 }
414
415 vif->mgmt_frames_bitmask = new_mask;
416 pr_debug("VIF%u.%u: %sregistered mgmt frame type 0x%x\n",
417 vif->mac->macid, vif->vifid, reg ? "" : "un", frame_type);
418}
419
420static int
421qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
422 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
423{
424 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
425 const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf;
426 u32 short_cookie = prandom_u32();
427 u16 flags = 0;
428 u16 freq;
429
430 *cookie = short_cookie;
431
432 if (params->offchan)
433 flags |= QLINK_FRAME_TX_FLAG_OFFCHAN;
434
435 if (params->no_cck)
436 flags |= QLINK_FRAME_TX_FLAG_NO_CCK;
437
438 if (params->dont_wait_for_ack)
439 flags |= QLINK_FRAME_TX_FLAG_ACK_NOWAIT;
440
441
442
443
444 if (params->chan)
445 freq = params->chan->center_freq;
446 else
447 freq = 0;
448
449 pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n",
450 wdev->netdev->name, freq,
451 le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da,
452 params->len, short_cookie, flags);
453
454 return qtnf_cmd_send_frame(vif, short_cookie, flags,
455 freq, params->buf, params->len);
456}
457
458static int
459qtnf_get_station(struct wiphy *wiphy, struct net_device *dev,
460 const u8 *mac, struct station_info *sinfo)
461{
462 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
463
464 sinfo->generation = vif->generation;
465 return qtnf_cmd_get_sta_info(vif, mac, sinfo);
466}
467
468static int
469qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev,
470 int idx, u8 *mac, struct station_info *sinfo)
471{
472 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
473 const struct qtnf_sta_node *sta_node;
474 int ret;
475
476 switch (vif->wdev.iftype) {
477 case NL80211_IFTYPE_STATION:
478 if (idx != 0 || !vif->wdev.current_bss)
479 return -ENOENT;
480
481 ether_addr_copy(mac, vif->bssid);
482 break;
483 case NL80211_IFTYPE_AP:
484 sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx);
485 if (unlikely(!sta_node))
486 return -ENOENT;
487
488 ether_addr_copy(mac, sta_node->mac_addr);
489 break;
490 default:
491 return -ENOTSUPP;
492 }
493
494 ret = qtnf_cmd_get_sta_info(vif, mac, sinfo);
495
496 if (vif->wdev.iftype == NL80211_IFTYPE_AP) {
497 if (ret == -ENOENT) {
498 cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL);
499 sinfo->filled = 0;
500 }
501 }
502
503 sinfo->generation = vif->generation;
504
505 return ret;
506}
507
508static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev,
509 u8 key_index, bool pairwise, const u8 *mac_addr,
510 struct key_params *params)
511{
512 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
513 int ret;
514
515 ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params);
516 if (ret)
517 pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n",
518 vif->mac->macid, vif->vifid, params->cipher, key_index,
519 pairwise);
520
521 return ret;
522}
523
524static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev,
525 u8 key_index, bool pairwise, const u8 *mac_addr)
526{
527 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
528 int ret;
529
530 ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr);
531 if (ret) {
532 if (ret == -ENOENT) {
533 pr_debug("VIF%u.%u: key index %d out of bounds\n",
534 vif->mac->macid, vif->vifid, key_index);
535 } else {
536 pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n",
537 vif->mac->macid, vif->vifid,
538 key_index, pairwise);
539 }
540 }
541
542 return ret;
543}
544
545static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev,
546 u8 key_index, bool unicast, bool multicast)
547{
548 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
549 int ret;
550
551 ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast);
552 if (ret)
553 pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n",
554 vif->mac->macid, vif->vifid, key_index, unicast,
555 multicast);
556
557 return ret;
558}
559
560static int
561qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev,
562 u8 key_index)
563{
564 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
565 int ret;
566
567 ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index);
568 if (ret)
569 pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n",
570 vif->mac->macid, vif->vifid, key_index);
571
572 return ret;
573}
574
575static int
576qtnf_change_station(struct wiphy *wiphy, struct net_device *dev,
577 const u8 *mac, struct station_parameters *params)
578{
579 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
580 int ret;
581
582 ret = qtnf_cmd_send_change_sta(vif, mac, params);
583 if (ret)
584 pr_err("VIF%u.%u: failed to change STA %pM\n",
585 vif->mac->macid, vif->vifid, mac);
586
587 return ret;
588}
589
590static int
591qtnf_del_station(struct wiphy *wiphy, struct net_device *dev,
592 struct station_del_parameters *params)
593{
594 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
595 int ret;
596
597 if (params->mac &&
598 (vif->wdev.iftype == NL80211_IFTYPE_AP) &&
599 !is_broadcast_ether_addr(params->mac) &&
600 !qtnf_sta_list_lookup(&vif->sta_list, params->mac))
601 return 0;
602
603 ret = qtnf_cmd_send_del_sta(vif, params);
604 if (ret)
605 pr_err("VIF%u.%u: failed to delete STA %pM\n",
606 vif->mac->macid, vif->vifid, params->mac);
607
608 return ret;
609}
610
611static int
612qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
613{
614 struct qtnf_wmac *mac = wiphy_priv(wiphy);
615 int ret;
616
617 cancel_delayed_work_sync(&mac->scan_timeout);
618
619 mac->scan_req = request;
620
621 ret = qtnf_cmd_send_scan(mac);
622 if (ret) {
623 pr_err("MAC%u: failed to start scan\n", mac->macid);
624 mac->scan_req = NULL;
625 goto out;
626 }
627
628 pr_debug("MAC%u: scan started\n", mac->macid);
629 queue_delayed_work(mac->bus->workqueue, &mac->scan_timeout,
630 QTNF_SCAN_TIMEOUT_SEC * HZ);
631
632out:
633 return ret;
634}
635
636static int
637qtnf_connect(struct wiphy *wiphy, struct net_device *dev,
638 struct cfg80211_connect_params *sme)
639{
640 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
641 int ret;
642
643 if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
644 return -EOPNOTSUPP;
645
646 if (sme->auth_type == NL80211_AUTHTYPE_SAE &&
647 !(sme->flags & CONNECT_REQ_EXTERNAL_AUTH_SUPPORT)) {
648 pr_err("can not offload authentication to userspace\n");
649 return -EOPNOTSUPP;
650 }
651
652 if (sme->bssid)
653 ether_addr_copy(vif->bssid, sme->bssid);
654 else
655 eth_zero_addr(vif->bssid);
656
657 ret = qtnf_cmd_send_connect(vif, sme);
658 if (ret) {
659 pr_err("VIF%u.%u: failed to connect\n",
660 vif->mac->macid, vif->vifid);
661 goto out;
662 }
663
664out:
665 return ret;
666}
667
668static int
669qtnf_external_auth(struct wiphy *wiphy, struct net_device *dev,
670 struct cfg80211_external_auth_params *auth)
671{
672 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
673 int ret;
674
675 if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
676 return -EOPNOTSUPP;
677
678 if (!ether_addr_equal(vif->bssid, auth->bssid))
679 pr_warn("unexpected bssid: %pM", auth->bssid);
680
681 ret = qtnf_cmd_send_external_auth(vif, auth);
682 if (ret) {
683 pr_err("VIF%u.%u: failed to report external auth\n",
684 vif->mac->macid, vif->vifid);
685 goto out;
686 }
687
688out:
689 return ret;
690}
691
692static int
693qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev,
694 u16 reason_code)
695{
696 struct qtnf_wmac *mac = wiphy_priv(wiphy);
697 struct qtnf_vif *vif;
698 int ret = 0;
699
700 vif = qtnf_mac_get_base_vif(mac);
701 if (!vif) {
702 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
703 return -EFAULT;
704 }
705
706 if (vif->wdev.iftype != NL80211_IFTYPE_STATION) {
707 ret = -EOPNOTSUPP;
708 goto out;
709 }
710
711 ret = qtnf_cmd_send_disconnect(vif, reason_code);
712 if (ret)
713 pr_err("VIF%u.%u: failed to disconnect\n",
714 mac->macid, vif->vifid);
715
716 if (vif->wdev.current_bss) {
717 netif_carrier_off(vif->netdev);
718 cfg80211_disconnected(vif->netdev, reason_code,
719 NULL, 0, true, GFP_KERNEL);
720 }
721
722out:
723 return ret;
724}
725
726static int
727qtnf_dump_survey(struct wiphy *wiphy, struct net_device *dev,
728 int idx, struct survey_info *survey)
729{
730 struct qtnf_wmac *mac = wiphy_priv(wiphy);
731 struct wireless_dev *wdev = dev->ieee80211_ptr;
732 struct ieee80211_supported_band *sband;
733 const struct cfg80211_chan_def *chandef = &wdev->chandef;
734 struct ieee80211_channel *chan;
735 struct qtnf_chan_stats stats;
736 int ret;
737
738 sband = wiphy->bands[NL80211_BAND_2GHZ];
739 if (sband && idx >= sband->n_channels) {
740 idx -= sband->n_channels;
741 sband = NULL;
742 }
743
744 if (!sband)
745 sband = wiphy->bands[NL80211_BAND_5GHZ];
746
747 if (!sband || idx >= sband->n_channels)
748 return -ENOENT;
749
750 chan = &sband->channels[idx];
751 memset(&stats, 0, sizeof(stats));
752
753 survey->channel = chan;
754 survey->filled = 0x0;
755
756 if (chandef->chan) {
757 if (chan->hw_value == chandef->chan->hw_value)
758 survey->filled = SURVEY_INFO_IN_USE;
759 }
760
761 ret = qtnf_cmd_get_chan_stats(mac, chan->hw_value, &stats);
762 switch (ret) {
763 case 0:
764 if (unlikely(stats.chan_num != chan->hw_value)) {
765 pr_err("received stats for channel %d instead of %d\n",
766 stats.chan_num, chan->hw_value);
767 ret = -EINVAL;
768 break;
769 }
770
771 survey->filled |= SURVEY_INFO_TIME |
772 SURVEY_INFO_TIME_SCAN |
773 SURVEY_INFO_TIME_BUSY |
774 SURVEY_INFO_TIME_RX |
775 SURVEY_INFO_TIME_TX |
776 SURVEY_INFO_NOISE_DBM;
777
778 survey->time_scan = stats.cca_try;
779 survey->time = stats.cca_try;
780 survey->time_tx = stats.cca_tx;
781 survey->time_rx = stats.cca_rx;
782 survey->time_busy = stats.cca_busy;
783 survey->noise = stats.chan_noise;
784 break;
785 case -ENOENT:
786 pr_debug("no stats for channel %u\n", chan->hw_value);
787 ret = 0;
788 break;
789 default:
790 pr_debug("failed to get chan(%d) stats from card\n",
791 chan->hw_value);
792 break;
793 }
794
795 return ret;
796}
797
798static int
799qtnf_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev,
800 struct cfg80211_chan_def *chandef)
801{
802 struct net_device *ndev = wdev->netdev;
803 struct qtnf_vif *vif;
804 int ret;
805
806 if (!ndev)
807 return -ENODEV;
808
809 vif = qtnf_netdev_get_priv(wdev->netdev);
810
811 ret = qtnf_cmd_get_channel(vif, chandef);
812 if (ret) {
813 pr_err("%s: failed to get channel: %d\n", ndev->name, ret);
814 ret = -ENODATA;
815 goto out;
816 }
817
818 if (!cfg80211_chandef_valid(chandef)) {
819 pr_err("%s: bad channel freq=%u cf1=%u cf2=%u bw=%u\n",
820 ndev->name, chandef->chan->center_freq,
821 chandef->center_freq1, chandef->center_freq2,
822 chandef->width);
823 ret = -ENODATA;
824 goto out;
825 }
826
827out:
828 return ret;
829}
830
831static int qtnf_channel_switch(struct wiphy *wiphy, struct net_device *dev,
832 struct cfg80211_csa_settings *params)
833{
834 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
835 int ret;
836
837 pr_debug("%s: chan(%u) count(%u) radar(%u) block_tx(%u)\n", dev->name,
838 params->chandef.chan->hw_value, params->count,
839 params->radar_required, params->block_tx);
840
841 if (!cfg80211_chandef_valid(¶ms->chandef)) {
842 pr_err("%s: invalid channel\n", dev->name);
843 return -EINVAL;
844 }
845
846 ret = qtnf_cmd_send_chan_switch(vif, params);
847 if (ret)
848 pr_warn("%s: failed to switch to channel (%u)\n",
849 dev->name, params->chandef.chan->hw_value);
850
851 return ret;
852}
853
854static int qtnf_start_radar_detection(struct wiphy *wiphy,
855 struct net_device *ndev,
856 struct cfg80211_chan_def *chandef,
857 u32 cac_time_ms)
858{
859 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
860 int ret;
861
862 if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD))
863 return -ENOTSUPP;
864
865 ret = qtnf_cmd_start_cac(vif, chandef, cac_time_ms);
866 if (ret)
867 pr_err("%s: failed to start CAC ret=%d\n", ndev->name, ret);
868
869 return ret;
870}
871
872static int qtnf_set_mac_acl(struct wiphy *wiphy,
873 struct net_device *dev,
874 const struct cfg80211_acl_data *params)
875{
876 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
877 int ret;
878
879 ret = qtnf_cmd_set_mac_acl(vif, params);
880 if (ret)
881 pr_err("%s: failed to set mac ACL ret=%d\n", dev->name, ret);
882
883 return ret;
884}
885
886static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
887 bool enabled, int timeout)
888{
889 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
890 int ret;
891
892 ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY :
893 QLINK_PM_OFF, timeout);
894 if (ret)
895 pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret);
896
897 return ret;
898}
899
900#ifdef CONFIG_PM
901static int qtnf_suspend(struct wiphy *wiphy, struct cfg80211_wowlan *wowlan)
902{
903 struct qtnf_wmac *mac = wiphy_priv(wiphy);
904 struct qtnf_vif *vif;
905 int ret = 0;
906
907 vif = qtnf_mac_get_base_vif(mac);
908 if (!vif) {
909 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
910 ret = -EFAULT;
911 goto exit;
912 }
913
914 if (!wowlan) {
915 pr_debug("WoWLAN triggers are not enabled\n");
916 qtnf_virtual_intf_cleanup(vif->netdev);
917 goto exit;
918 }
919
920 qtnf_scan_done(vif->mac, true);
921
922 ret = qtnf_cmd_send_wowlan_set(vif, wowlan);
923 if (ret) {
924 pr_err("MAC%u: failed to set WoWLAN triggers\n",
925 mac->macid);
926 goto exit;
927 }
928
929exit:
930 return ret;
931}
932
933static int qtnf_resume(struct wiphy *wiphy)
934{
935 struct qtnf_wmac *mac = wiphy_priv(wiphy);
936 struct qtnf_vif *vif;
937 int ret = 0;
938
939 vif = qtnf_mac_get_base_vif(mac);
940 if (!vif) {
941 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
942 ret = -EFAULT;
943 goto exit;
944 }
945
946 ret = qtnf_cmd_send_wowlan_set(vif, NULL);
947 if (ret) {
948 pr_err("MAC%u: failed to reset WoWLAN triggers\n",
949 mac->macid);
950 goto exit;
951 }
952
953exit:
954 return ret;
955}
956
957static void qtnf_set_wakeup(struct wiphy *wiphy, bool enabled)
958{
959 struct qtnf_wmac *mac = wiphy_priv(wiphy);
960 struct qtnf_bus *bus = mac->bus;
961
962 device_set_wakeup_enable(bus->dev, enabled);
963}
964#endif
965
966static struct cfg80211_ops qtn_cfg80211_ops = {
967 .add_virtual_intf = qtnf_add_virtual_intf,
968 .change_virtual_intf = qtnf_change_virtual_intf,
969 .del_virtual_intf = qtnf_del_virtual_intf,
970 .start_ap = qtnf_start_ap,
971 .change_beacon = qtnf_change_beacon,
972 .stop_ap = qtnf_stop_ap,
973 .set_wiphy_params = qtnf_set_wiphy_params,
974 .mgmt_frame_register = qtnf_mgmt_frame_register,
975 .mgmt_tx = qtnf_mgmt_tx,
976 .change_station = qtnf_change_station,
977 .del_station = qtnf_del_station,
978 .get_station = qtnf_get_station,
979 .dump_station = qtnf_dump_station,
980 .add_key = qtnf_add_key,
981 .del_key = qtnf_del_key,
982 .set_default_key = qtnf_set_default_key,
983 .set_default_mgmt_key = qtnf_set_default_mgmt_key,
984 .scan = qtnf_scan,
985 .connect = qtnf_connect,
986 .external_auth = qtnf_external_auth,
987 .disconnect = qtnf_disconnect,
988 .dump_survey = qtnf_dump_survey,
989 .get_channel = qtnf_get_channel,
990 .channel_switch = qtnf_channel_switch,
991 .start_radar_detection = qtnf_start_radar_detection,
992 .set_mac_acl = qtnf_set_mac_acl,
993 .set_power_mgmt = qtnf_set_power_mgmt,
994#ifdef CONFIG_PM
995 .suspend = qtnf_suspend,
996 .resume = qtnf_resume,
997 .set_wakeup = qtnf_set_wakeup,
998#endif
999};
1000
1001static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy,
1002 struct regulatory_request *req)
1003{
1004 struct qtnf_wmac *mac = wiphy_priv(wiphy);
1005 enum nl80211_band band;
1006 int ret;
1007
1008 pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator,
1009 req->alpha2[0], req->alpha2[1]);
1010
1011 ret = qtnf_cmd_reg_notify(mac, req, qtnf_mac_slave_radar_get(wiphy));
1012 if (ret) {
1013 pr_err("MAC%u: failed to update region to %c%c: %d\n",
1014 mac->macid, req->alpha2[0], req->alpha2[1], ret);
1015 return;
1016 }
1017
1018 for (band = 0; band < NUM_NL80211_BANDS; ++band) {
1019 if (!wiphy->bands[band])
1020 continue;
1021
1022 ret = qtnf_cmd_band_info_get(mac, wiphy->bands[band]);
1023 if (ret)
1024 pr_err("MAC%u: failed to update band %u\n",
1025 mac->macid, band);
1026 }
1027}
1028
1029struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus)
1030{
1031 struct wiphy *wiphy;
1032
1033 if (bus->hw_info.hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD)
1034 qtn_cfg80211_ops.start_radar_detection = NULL;
1035
1036 if (!(bus->hw_info.hw_capab & QLINK_HW_CAPAB_PWR_MGMT))
1037 qtn_cfg80211_ops.set_power_mgmt = NULL;
1038
1039 wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac));
1040 if (!wiphy)
1041 return NULL;
1042
1043 set_wiphy_dev(wiphy, bus->dev);
1044
1045 return wiphy;
1046}
1047
1048static int
1049qtnf_wiphy_setup_if_comb(struct wiphy *wiphy, struct qtnf_mac_info *mac_info)
1050{
1051 struct ieee80211_iface_combination *if_comb;
1052 size_t n_if_comb;
1053 u16 interface_modes = 0;
1054 size_t i, j;
1055
1056 if_comb = mac_info->if_comb;
1057 n_if_comb = mac_info->n_if_comb;
1058
1059 if (!if_comb || !n_if_comb)
1060 return -ENOENT;
1061
1062 for (i = 0; i < n_if_comb; i++) {
1063 if_comb[i].radar_detect_widths = mac_info->radar_detect_widths;
1064
1065 for (j = 0; j < if_comb[i].n_limits; j++)
1066 interface_modes |= if_comb[i].limits[j].types;
1067 }
1068
1069 wiphy->iface_combinations = if_comb;
1070 wiphy->n_iface_combinations = n_if_comb;
1071 wiphy->interface_modes = interface_modes;
1072
1073 return 0;
1074}
1075
1076int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac)
1077{
1078 struct wiphy *wiphy = priv_to_wiphy(mac);
1079 struct qtnf_mac_info *macinfo = &mac->macinfo;
1080 int ret;
1081 bool regdomain_is_known;
1082
1083 if (!wiphy) {
1084 pr_err("invalid wiphy pointer\n");
1085 return -EFAULT;
1086 }
1087
1088 wiphy->frag_threshold = macinfo->frag_thr;
1089 wiphy->rts_threshold = macinfo->rts_thr;
1090 wiphy->retry_short = macinfo->sretry_limit;
1091 wiphy->retry_long = macinfo->lretry_limit;
1092 wiphy->coverage_class = macinfo->coverage_class;
1093
1094 wiphy->max_scan_ssids =
1095 (hw_info->max_scan_ssids) ? hw_info->max_scan_ssids : 1;
1096 wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN;
1097 wiphy->mgmt_stypes = qtnf_mgmt_stypes;
1098 wiphy->max_remain_on_channel_duration = 5000;
1099 wiphy->max_acl_mac_addrs = macinfo->max_acl_mac_addrs;
1100 wiphy->max_num_csa_counters = 2;
1101
1102 ret = qtnf_wiphy_setup_if_comb(wiphy, macinfo);
1103 if (ret)
1104 goto out;
1105
1106
1107 wiphy->cipher_suites = qtnf_cipher_suites;
1108 wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites);
1109 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
1110 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1111 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
1112 WIPHY_FLAG_AP_UAPSD |
1113 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
1114 WIPHY_FLAG_4ADDR_STATION |
1115 WIPHY_FLAG_NETNS_OK;
1116 wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
1117
1118 if (hw_info->hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD)
1119 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD);
1120
1121 if (hw_info->hw_capab & QLINK_HW_CAPAB_SCAN_DWELL)
1122 wiphy_ext_feature_set(wiphy,
1123 NL80211_EXT_FEATURE_SET_SCAN_DWELL);
1124
1125 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1126 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2;
1127
1128 wiphy->available_antennas_tx = macinfo->num_tx_chain;
1129 wiphy->available_antennas_rx = macinfo->num_rx_chain;
1130
1131 wiphy->max_ap_assoc_sta = macinfo->max_ap_assoc_sta;
1132 wiphy->ht_capa_mod_mask = &macinfo->ht_cap_mod_mask;
1133 wiphy->vht_capa_mod_mask = &macinfo->vht_cap_mod_mask;
1134
1135 ether_addr_copy(wiphy->perm_addr, mac->macaddr);
1136
1137 if (hw_info->hw_capab & QLINK_HW_CAPAB_STA_INACT_TIMEOUT)
1138 wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
1139
1140 if (hw_info->hw_capab & QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR)
1141 wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
1142
1143 if (!(hw_info->hw_capab & QLINK_HW_CAPAB_OBSS_SCAN))
1144 wiphy->features |= NL80211_FEATURE_NEED_OBSS_SCAN;
1145
1146 if (hw_info->hw_capab & QLINK_HW_CAPAB_SAE)
1147 wiphy->features |= NL80211_FEATURE_SAE;
1148
1149#ifdef CONFIG_PM
1150 if (macinfo->wowlan)
1151 wiphy->wowlan = macinfo->wowlan;
1152#endif
1153
1154 regdomain_is_known = isalpha(mac->rd->alpha2[0]) &&
1155 isalpha(mac->rd->alpha2[1]);
1156
1157 if (hw_info->hw_capab & QLINK_HW_CAPAB_REG_UPDATE) {
1158 wiphy->reg_notifier = qtnf_cfg80211_reg_notifier;
1159
1160 if (mac->rd->alpha2[0] == '9' && mac->rd->alpha2[1] == '9') {
1161 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG |
1162 REGULATORY_STRICT_REG;
1163 wiphy_apply_custom_regulatory(wiphy, mac->rd);
1164 } else if (regdomain_is_known) {
1165 wiphy->regulatory_flags |= REGULATORY_STRICT_REG;
1166 }
1167 } else {
1168 wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
1169 }
1170
1171 if (mac->macinfo.extended_capabilities_len) {
1172 wiphy->extended_capabilities =
1173 mac->macinfo.extended_capabilities;
1174 wiphy->extended_capabilities_mask =
1175 mac->macinfo.extended_capabilities_mask;
1176 wiphy->extended_capabilities_len =
1177 mac->macinfo.extended_capabilities_len;
1178 }
1179
1180 strlcpy(wiphy->fw_version, hw_info->fw_version,
1181 sizeof(wiphy->fw_version));
1182 wiphy->hw_version = hw_info->hw_version;
1183
1184 ret = wiphy_register(wiphy);
1185 if (ret < 0)
1186 goto out;
1187
1188 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED)
1189 ret = regulatory_set_wiphy_regd(wiphy, mac->rd);
1190 else if (regdomain_is_known)
1191 ret = regulatory_hint(wiphy, mac->rd->alpha2);
1192
1193out:
1194 return ret;
1195}
1196
1197void qtnf_netdev_updown(struct net_device *ndev, bool up)
1198{
1199 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1200
1201 if (qtnf_cmd_send_updown_intf(vif, up))
1202 pr_err("failed to send %s command to VIF%u.%u\n",
1203 up ? "UP" : "DOWN", vif->mac->macid, vif->vifid);
1204}
1205
1206void qtnf_virtual_intf_cleanup(struct net_device *ndev)
1207{
1208 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
1209 struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy);
1210
1211 if (vif->wdev.iftype == NL80211_IFTYPE_STATION)
1212 qtnf_disconnect(vif->wdev.wiphy, ndev,
1213 WLAN_REASON_DEAUTH_LEAVING);
1214
1215 qtnf_scan_done(mac, true);
1216}
1217
1218void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif)
1219{
1220 if (vif->wdev.iftype == NL80211_IFTYPE_STATION)
1221 cfg80211_disconnected(vif->netdev, WLAN_REASON_DEAUTH_LEAVING,
1222 NULL, 0, 1, GFP_KERNEL);
1223
1224 cfg80211_shutdown_all_interfaces(vif->wdev.wiphy);
1225}
1226
1227void qtnf_band_init_rates(struct ieee80211_supported_band *band)
1228{
1229 switch (band->band) {
1230 case NL80211_BAND_2GHZ:
1231 band->bitrates = qtnf_rates_2g;
1232 band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g);
1233 break;
1234 case NL80211_BAND_5GHZ:
1235 band->bitrates = qtnf_rates_5g;
1236 band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g);
1237 break;
1238 default:
1239 band->bitrates = NULL;
1240 band->n_bitrates = 0;
1241 break;
1242 }
1243}
1244
