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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 },
78};
79
80static int
81qtnf_change_virtual_intf(struct wiphy *wiphy,
82 struct net_device *dev,
83 enum nl80211_iftype type,
84 struct vif_params *params)
85{
86 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
87 u8 *mac_addr;
88 int ret;
89
90 if (params)
91 mac_addr = params->macaddr;
92 else
93 mac_addr = NULL;
94
95 qtnf_scan_done(vif->mac, true);
96
97 ret = qtnf_cmd_send_change_intf_type(vif, type, mac_addr);
98 if (ret) {
99 pr_err("VIF%u.%u: failed to change VIF type: %d\n",
100 vif->mac->macid, vif->vifid, ret);
101 return ret;
102 }
103
104 vif->wdev.iftype = type;
105 return 0;
106}
107
108int qtnf_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
109{
110 struct net_device *netdev = wdev->netdev;
111 struct qtnf_vif *vif;
112
113 if (WARN_ON(!netdev))
114 return -EFAULT;
115
116 vif = qtnf_netdev_get_priv(wdev->netdev);
117
118 if (qtnf_cmd_send_del_intf(vif))
119 pr_err("VIF%u.%u: failed to delete VIF\n", vif->mac->macid,
120 vif->vifid);
121
122
123 netif_tx_stop_all_queues(netdev);
124 if (netif_carrier_ok(netdev))
125 netif_carrier_off(netdev);
126
127 if (netdev->reg_state == NETREG_REGISTERED)
128 unregister_netdevice(netdev);
129
130 vif->netdev->ieee80211_ptr = NULL;
131 vif->netdev = NULL;
132 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
133 eth_zero_addr(vif->mac_addr);
134
135 return 0;
136}
137
138static struct wireless_dev *qtnf_add_virtual_intf(struct wiphy *wiphy,
139 const char *name,
140 unsigned char name_assign_t,
141 enum nl80211_iftype type,
142 struct vif_params *params)
143{
144 struct qtnf_wmac *mac;
145 struct qtnf_vif *vif;
146 u8 *mac_addr = NULL;
147
148 mac = wiphy_priv(wiphy);
149
150 if (!mac)
151 return ERR_PTR(-EFAULT);
152
153 switch (type) {
154 case NL80211_IFTYPE_STATION:
155 case NL80211_IFTYPE_AP:
156 vif = qtnf_mac_get_free_vif(mac);
157 if (!vif) {
158 pr_err("MAC%u: no free VIF available\n", mac->macid);
159 return ERR_PTR(-EFAULT);
160 }
161
162 eth_zero_addr(vif->mac_addr);
163 vif->bss_priority = QTNF_DEF_BSS_PRIORITY;
164 vif->wdev.wiphy = wiphy;
165 vif->wdev.iftype = type;
166 vif->sta_state = QTNF_STA_DISCONNECTED;
167 break;
168 default:
169 pr_err("MAC%u: unsupported IF type %d\n", mac->macid, type);
170 return ERR_PTR(-ENOTSUPP);
171 }
172
173 if (params)
174 mac_addr = params->macaddr;
175
176 if (qtnf_cmd_send_add_intf(vif, type, mac_addr)) {
177 pr_err("VIF%u.%u: failed to add VIF\n", mac->macid, vif->vifid);
178 goto err_cmd;
179 }
180
181 if (!is_valid_ether_addr(vif->mac_addr)) {
182 pr_err("VIF%u.%u: FW reported bad MAC: %pM\n",
183 mac->macid, vif->vifid, vif->mac_addr);
184 goto err_mac;
185 }
186
187 if (qtnf_core_net_attach(mac, vif, name, name_assign_t, type)) {
188 pr_err("VIF%u.%u: failed to attach netdev\n", mac->macid,
189 vif->vifid);
190 goto err_net;
191 }
192
193 vif->wdev.netdev = vif->netdev;
194 return &vif->wdev;
195
196err_net:
197 vif->netdev = NULL;
198err_mac:
199 qtnf_cmd_send_del_intf(vif);
200err_cmd:
201 vif->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
202
203 return ERR_PTR(-EFAULT);
204}
205
206static int qtnf_mgmt_set_appie(struct qtnf_vif *vif,
207 const struct cfg80211_beacon_data *info)
208{
209 int ret = 0;
210
211 if (!info->beacon_ies || !info->beacon_ies_len) {
212 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_MGMT_FRAME_BEACON,
213 NULL, 0);
214 } else {
215 ret = qtnf_cmd_send_mgmt_set_appie(vif, QLINK_MGMT_FRAME_BEACON,
216 info->beacon_ies,
217 info->beacon_ies_len);
218 }
219
220 if (ret)
221 goto out;
222
223 if (!info->proberesp_ies || !info->proberesp_ies_len) {
224 ret = qtnf_cmd_send_mgmt_set_appie(vif,
225 QLINK_MGMT_FRAME_PROBE_RESP,
226 NULL, 0);
227 } else {
228 ret = qtnf_cmd_send_mgmt_set_appie(vif,
229 QLINK_MGMT_FRAME_PROBE_RESP,
230 info->proberesp_ies,
231 info->proberesp_ies_len);
232 }
233
234 if (ret)
235 goto out;
236
237 if (!info->assocresp_ies || !info->assocresp_ies_len) {
238 ret = qtnf_cmd_send_mgmt_set_appie(vif,
239 QLINK_MGMT_FRAME_ASSOC_RESP,
240 NULL, 0);
241 } else {
242 ret = qtnf_cmd_send_mgmt_set_appie(vif,
243 QLINK_MGMT_FRAME_ASSOC_RESP,
244 info->assocresp_ies,
245 info->assocresp_ies_len);
246 }
247
248out:
249 return ret;
250}
251
252static int qtnf_change_beacon(struct wiphy *wiphy, struct net_device *dev,
253 struct cfg80211_beacon_data *info)
254{
255 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
256
257 if (!(vif->bss_status & QTNF_STATE_AP_START)) {
258 pr_err("VIF%u.%u: not started\n", vif->mac->macid, vif->vifid);
259 return -EFAULT;
260 }
261
262 return qtnf_mgmt_set_appie(vif, info);
263}
264
265static int qtnf_start_ap(struct wiphy *wiphy, struct net_device *dev,
266 struct cfg80211_ap_settings *settings)
267{
268 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
269 struct qtnf_bss_config *bss_cfg;
270 int ret;
271
272 bss_cfg = &vif->bss_cfg;
273
274 memset(bss_cfg, 0, sizeof(*bss_cfg));
275
276 bss_cfg->bcn_period = settings->beacon_interval;
277 bss_cfg->dtim = settings->dtim_period;
278 bss_cfg->auth_type = settings->auth_type;
279 bss_cfg->privacy = settings->privacy;
280
281 bss_cfg->ssid_len = settings->ssid_len;
282 memcpy(&bss_cfg->ssid, settings->ssid, bss_cfg->ssid_len);
283
284 memcpy(&bss_cfg->chandef, &settings->chandef,
285 sizeof(struct cfg80211_chan_def));
286 memcpy(&bss_cfg->crypto, &settings->crypto,
287 sizeof(struct cfg80211_crypto_settings));
288
289 ret = qtnf_cmd_send_config_ap(vif);
290 if (ret) {
291 pr_err("VIF%u.%u: failed to push config to FW\n",
292 vif->mac->macid, vif->vifid);
293 goto out;
294 }
295
296 if (!(vif->bss_status & QTNF_STATE_AP_CONFIG)) {
297 pr_err("VIF%u.%u: AP config failed in FW\n", vif->mac->macid,
298 vif->vifid);
299 ret = -EFAULT;
300 goto out;
301 }
302
303 ret = qtnf_mgmt_set_appie(vif, &settings->beacon);
304 if (ret) {
305 pr_err("VIF%u.%u: failed to add IEs to beacon\n",
306 vif->mac->macid, vif->vifid);
307 goto out;
308 }
309
310 ret = qtnf_cmd_send_start_ap(vif);
311 if (ret) {
312 pr_err("VIF%u.%u: failed to start AP\n", vif->mac->macid,
313 vif->vifid);
314 goto out;
315 }
316
317 if (!(vif->bss_status & QTNF_STATE_AP_START)) {
318 pr_err("VIF%u.%u: FW failed to start AP operation\n",
319 vif->mac->macid, vif->vifid);
320 ret = -EFAULT;
321 }
322
323out:
324 return ret;
325}
326
327static int qtnf_stop_ap(struct wiphy *wiphy, struct net_device *dev)
328{
329 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
330 int ret;
331
332 ret = qtnf_cmd_send_stop_ap(vif);
333 if (ret) {
334 pr_err("VIF%u.%u: failed to stop AP operation in FW\n",
335 vif->mac->macid, vif->vifid);
336 vif->bss_status &= ~QTNF_STATE_AP_START;
337 vif->bss_status &= ~QTNF_STATE_AP_CONFIG;
338
339 netif_carrier_off(vif->netdev);
340 }
341
342 return ret;
343}
344
345static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed)
346{
347 struct qtnf_wmac *mac = wiphy_priv(wiphy);
348 struct qtnf_vif *vif;
349 int ret;
350
351 vif = qtnf_mac_get_base_vif(mac);
352 if (!vif) {
353 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
354 return -EFAULT;
355 }
356
357 if (changed & (WIPHY_PARAM_RETRY_LONG | WIPHY_PARAM_RETRY_SHORT)) {
358 pr_err("MAC%u: can't modify retry params\n", mac->macid);
359 return -EOPNOTSUPP;
360 }
361
362 ret = qtnf_cmd_send_update_phy_params(mac, changed);
363 if (ret)
364 pr_err("MAC%u: failed to update PHY params\n", mac->macid);
365
366 return ret;
367}
368
369static void
370qtnf_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev,
371 u16 frame_type, bool reg)
372{
373 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
374 u16 mgmt_type;
375 u16 new_mask;
376 u16 qlink_frame_type = 0;
377
378 mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
379
380 if (reg)
381 new_mask = vif->mgmt_frames_bitmask | BIT(mgmt_type);
382 else
383 new_mask = vif->mgmt_frames_bitmask & ~BIT(mgmt_type);
384
385 if (new_mask == vif->mgmt_frames_bitmask)
386 return;
387
388 switch (frame_type & IEEE80211_FCTL_STYPE) {
389 case IEEE80211_STYPE_PROBE_REQ:
390 qlink_frame_type = QLINK_MGMT_FRAME_PROBE_REQ;
391 break;
392 case IEEE80211_STYPE_ACTION:
393 qlink_frame_type = QLINK_MGMT_FRAME_ACTION;
394 break;
395 default:
396 pr_warn("VIF%u.%u: unsupported frame type: %X\n",
397 vif->mac->macid, vif->vifid,
398 (frame_type & IEEE80211_FCTL_STYPE) >> 4);
399 return;
400 }
401
402 if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) {
403 pr_warn("VIF%u.%u: failed to %sregister mgmt frame type 0x%x\n",
404 vif->mac->macid, vif->vifid, reg ? "" : "un",
405 frame_type);
406 return;
407 }
408
409 vif->mgmt_frames_bitmask = new_mask;
410 pr_debug("VIF%u.%u: %sregistered mgmt frame type 0x%x\n",
411 vif->mac->macid, vif->vifid, reg ? "" : "un", frame_type);
412}
413
414static int
415qtnf_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
416 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
417{
418 struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
419 const struct ieee80211_mgmt *mgmt_frame = (void *)params->buf;
420 u32 short_cookie = prandom_u32();
421 u16 flags = 0;
422
423 *cookie = short_cookie;
424
425 if (params->offchan)
426 flags |= QLINK_MGMT_FRAME_TX_FLAG_OFFCHAN;
427
428 if (params->no_cck)
429 flags |= QLINK_MGMT_FRAME_TX_FLAG_NO_CCK;
430
431 if (params->dont_wait_for_ack)
432 flags |= QLINK_MGMT_FRAME_TX_FLAG_ACK_NOWAIT;
433
434 pr_debug("%s freq:%u; FC:%.4X; DA:%pM; len:%zu; C:%.8X; FL:%.4X\n",
435 wdev->netdev->name, params->chan->center_freq,
436 le16_to_cpu(mgmt_frame->frame_control), mgmt_frame->da,
437 params->len, short_cookie, flags);
438
439 return qtnf_cmd_send_mgmt_frame(vif, short_cookie, flags,
440 params->chan->center_freq,
441 params->buf, params->len);
442}
443
444static int
445qtnf_get_station(struct wiphy *wiphy, struct net_device *dev,
446 const u8 *mac, struct station_info *sinfo)
447{
448 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
449
450 return qtnf_cmd_get_sta_info(vif, mac, sinfo);
451}
452
453static int
454qtnf_dump_station(struct wiphy *wiphy, struct net_device *dev,
455 int idx, u8 *mac, struct station_info *sinfo)
456{
457 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
458 const struct qtnf_sta_node *sta_node;
459 int ret;
460
461 sta_node = qtnf_sta_list_lookup_index(&vif->sta_list, idx);
462
463 if (unlikely(!sta_node))
464 return -ENOENT;
465
466 ether_addr_copy(mac, sta_node->mac_addr);
467
468 ret = qtnf_cmd_get_sta_info(vif, sta_node->mac_addr, sinfo);
469
470 if (unlikely(ret == -ENOENT)) {
471 qtnf_sta_list_del(&vif->sta_list, mac);
472 cfg80211_del_sta(vif->netdev, mac, GFP_KERNEL);
473 sinfo->filled = 0;
474 }
475
476 return ret;
477}
478
479static int qtnf_add_key(struct wiphy *wiphy, struct net_device *dev,
480 u8 key_index, bool pairwise, const u8 *mac_addr,
481 struct key_params *params)
482{
483 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
484 int ret;
485
486 ret = qtnf_cmd_send_add_key(vif, key_index, pairwise, mac_addr, params);
487 if (ret)
488 pr_err("VIF%u.%u: failed to add key: cipher=%x idx=%u pw=%u\n",
489 vif->mac->macid, vif->vifid, params->cipher, key_index,
490 pairwise);
491
492 return ret;
493}
494
495static int qtnf_del_key(struct wiphy *wiphy, struct net_device *dev,
496 u8 key_index, bool pairwise, const u8 *mac_addr)
497{
498 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
499 int ret;
500
501 ret = qtnf_cmd_send_del_key(vif, key_index, pairwise, mac_addr);
502 if (ret)
503 pr_err("VIF%u.%u: failed to delete key: idx=%u pw=%u\n",
504 vif->mac->macid, vif->vifid, key_index, pairwise);
505
506 return ret;
507}
508
509static int qtnf_set_default_key(struct wiphy *wiphy, struct net_device *dev,
510 u8 key_index, bool unicast, bool multicast)
511{
512 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
513 int ret;
514
515 ret = qtnf_cmd_send_set_default_key(vif, key_index, unicast, multicast);
516 if (ret)
517 pr_err("VIF%u.%u: failed to set dflt key: idx=%u uc=%u mc=%u\n",
518 vif->mac->macid, vif->vifid, key_index, unicast,
519 multicast);
520
521 return ret;
522}
523
524static int
525qtnf_set_default_mgmt_key(struct wiphy *wiphy, struct net_device *dev,
526 u8 key_index)
527{
528 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
529 int ret;
530
531 ret = qtnf_cmd_send_set_default_mgmt_key(vif, key_index);
532 if (ret)
533 pr_err("VIF%u.%u: failed to set default MGMT key: idx=%u\n",
534 vif->mac->macid, vif->vifid, key_index);
535
536 return ret;
537}
538
539static int
540qtnf_change_station(struct wiphy *wiphy, struct net_device *dev,
541 const u8 *mac, struct station_parameters *params)
542{
543 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
544 int ret;
545
546 ret = qtnf_cmd_send_change_sta(vif, mac, params);
547 if (ret)
548 pr_err("VIF%u.%u: failed to change STA %pM\n",
549 vif->mac->macid, vif->vifid, mac);
550
551 return ret;
552}
553
554static int
555qtnf_del_station(struct wiphy *wiphy, struct net_device *dev,
556 struct station_del_parameters *params)
557{
558 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
559 int ret;
560
561 if (params->mac &&
562 (vif->wdev.iftype == NL80211_IFTYPE_AP) &&
563 !is_broadcast_ether_addr(params->mac) &&
564 !qtnf_sta_list_lookup(&vif->sta_list, params->mac))
565 return 0;
566
567 qtnf_scan_done(vif->mac, true);
568
569 ret = qtnf_cmd_send_del_sta(vif, params);
570 if (ret)
571 pr_err("VIF%u.%u: failed to delete STA %pM\n",
572 vif->mac->macid, vif->vifid, params->mac);
573 return ret;
574}
575
576static int
577qtnf_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
578{
579 struct qtnf_wmac *mac = wiphy_priv(wiphy);
580 int ret;
581
582 mac->scan_req = request;
583
584 ret = qtnf_cmd_send_scan(mac);
585 if (ret)
586 pr_err("MAC%u: failed to start scan\n", mac->macid);
587
588 return ret;
589}
590
591static int
592qtnf_connect(struct wiphy *wiphy, struct net_device *dev,
593 struct cfg80211_connect_params *sme)
594{
595 struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);
596 struct qtnf_bss_config *bss_cfg;
597 int ret;
598
599 if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
600 return -EOPNOTSUPP;
601
602 if (vif->sta_state != QTNF_STA_DISCONNECTED)
603 return -EBUSY;
604
605 bss_cfg = &vif->bss_cfg;
606 memset(bss_cfg, 0, sizeof(*bss_cfg));
607
608 bss_cfg->ssid_len = sme->ssid_len;
609 memcpy(&bss_cfg->ssid, sme->ssid, bss_cfg->ssid_len);
610 bss_cfg->chandef.chan = sme->channel;
611 bss_cfg->auth_type = sme->auth_type;
612 bss_cfg->privacy = sme->privacy;
613 bss_cfg->mfp = sme->mfp;
614
615 if ((sme->bg_scan_period > 0) &&
616 (sme->bg_scan_period <= QTNF_MAX_BG_SCAN_PERIOD))
617 bss_cfg->bg_scan_period = sme->bg_scan_period;
618 else if (sme->bg_scan_period == -1)
619 bss_cfg->bg_scan_period = QTNF_DEFAULT_BG_SCAN_PERIOD;
620 else
621 bss_cfg->bg_scan_period = 0;
622
623 bss_cfg->connect_flags = 0;
624
625 if (sme->flags & ASSOC_REQ_DISABLE_HT)
626 bss_cfg->connect_flags |= QLINK_STA_CONNECT_DISABLE_HT;
627 if (sme->flags & ASSOC_REQ_DISABLE_VHT)
628 bss_cfg->connect_flags |= QLINK_STA_CONNECT_DISABLE_VHT;
629 if (sme->flags & ASSOC_REQ_USE_RRM)
630 bss_cfg->connect_flags |= QLINK_STA_CONNECT_USE_RRM;
631
632 memcpy(&bss_cfg->crypto, &sme->crypto, sizeof(bss_cfg->crypto));
633 if (sme->bssid)
634 ether_addr_copy(bss_cfg->bssid, sme->bssid);
635 else
636 eth_zero_addr(bss_cfg->bssid);
637
638 ret = qtnf_cmd_send_connect(vif, sme);
639 if (ret) {
640 pr_err("VIF%u.%u: failed to connect\n", vif->mac->macid,
641 vif->vifid);
642 return ret;
643 }
644
645 vif->sta_state = QTNF_STA_CONNECTING;
646 return 0;
647}
648
649static int
650qtnf_disconnect(struct wiphy *wiphy, struct net_device *dev,
651 u16 reason_code)
652{
653 struct qtnf_wmac *mac = wiphy_priv(wiphy);
654 struct qtnf_vif *vif;
655 int ret;
656
657 vif = qtnf_mac_get_base_vif(mac);
658 if (!vif) {
659 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
660 return -EFAULT;
661 }
662
663 if (vif->wdev.iftype != NL80211_IFTYPE_STATION)
664 return -EOPNOTSUPP;
665
666 if (vif->sta_state == QTNF_STA_DISCONNECTED)
667 return 0;
668
669 ret = qtnf_cmd_send_disconnect(vif, reason_code);
670 if (ret) {
671 pr_err("VIF%u.%u: failed to disconnect\n", mac->macid,
672 vif->vifid);
673 return ret;
674 }
675
676 vif->sta_state = QTNF_STA_DISCONNECTED;
677 return 0;
678}
679
680static struct cfg80211_ops qtn_cfg80211_ops = {
681 .add_virtual_intf = qtnf_add_virtual_intf,
682 .change_virtual_intf = qtnf_change_virtual_intf,
683 .del_virtual_intf = qtnf_del_virtual_intf,
684 .start_ap = qtnf_start_ap,
685 .change_beacon = qtnf_change_beacon,
686 .stop_ap = qtnf_stop_ap,
687 .set_wiphy_params = qtnf_set_wiphy_params,
688 .mgmt_frame_register = qtnf_mgmt_frame_register,
689 .mgmt_tx = qtnf_mgmt_tx,
690 .change_station = qtnf_change_station,
691 .del_station = qtnf_del_station,
692 .get_station = qtnf_get_station,
693 .dump_station = qtnf_dump_station,
694 .add_key = qtnf_add_key,
695 .del_key = qtnf_del_key,
696 .set_default_key = qtnf_set_default_key,
697 .set_default_mgmt_key = qtnf_set_default_mgmt_key,
698 .scan = qtnf_scan,
699 .connect = qtnf_connect,
700 .disconnect = qtnf_disconnect
701};
702
703static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy,
704 struct regulatory_request *req)
705{
706 struct qtnf_wmac *mac = wiphy_priv(wiphy);
707 struct qtnf_bus *bus;
708 struct qtnf_vif *vif;
709 struct qtnf_wmac *chan_mac;
710 int i;
711 enum nl80211_band band;
712
713 bus = mac->bus;
714
715 pr_debug("MAC%u: initiator=%d alpha=%c%c\n", mac->macid, req->initiator,
716 req->alpha2[0], req->alpha2[1]);
717
718 vif = qtnf_mac_get_base_vif(mac);
719 if (!vif) {
720 pr_err("MAC%u: primary VIF is not configured\n", mac->macid);
721 return;
722 }
723
724
725 for (i = 0; i < sizeof(req->alpha2); i++) {
726 if (req->alpha2[i] < 'A' || req->alpha2[i] > 'Z') {
727 pr_err("MAC%u: not an ISO3166 code\n", mac->macid);
728 return;
729 }
730 }
731 if (!strncasecmp(req->alpha2, bus->hw_info.alpha2_code,
732 sizeof(req->alpha2))) {
733 pr_warn("MAC%u: unchanged country code\n", mac->macid);
734 return;
735 }
736
737 if (qtnf_cmd_send_regulatory_config(mac, req->alpha2)) {
738 pr_err("MAC%u: failed to configure regulatory\n", mac->macid);
739 return;
740 }
741
742 for (i = 0; i < bus->hw_info.num_mac; i++) {
743 chan_mac = bus->mac[i];
744
745 if (!chan_mac)
746 continue;
747
748 if (!(bus->hw_info.mac_bitmap & BIT(i)))
749 continue;
750
751 for (band = 0; band < NUM_NL80211_BANDS; ++band) {
752 if (!wiphy->bands[band])
753 continue;
754
755 if (qtnf_cmd_get_mac_chan_info(chan_mac,
756 wiphy->bands[band])) {
757 pr_err("MAC%u: can't get channel info\n",
758 chan_mac->macid);
759 qtnf_core_detach(bus);
760
761 return;
762 }
763 }
764 }
765}
766
767void qtnf_band_setup_htvht_caps(struct qtnf_mac_info *macinfo,
768 struct ieee80211_supported_band *band)
769{
770 struct ieee80211_sta_ht_cap *ht_cap;
771 struct ieee80211_sta_vht_cap *vht_cap;
772
773 ht_cap = &band->ht_cap;
774 ht_cap->ht_supported = true;
775 memcpy(&ht_cap->cap, &macinfo->ht_cap.cap_info,
776 sizeof(u16));
777 ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
778 ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
779 memcpy(&ht_cap->mcs, &macinfo->ht_cap.mcs,
780 sizeof(ht_cap->mcs));
781
782 if (macinfo->phymode_cap & QLINK_PHYMODE_AC) {
783 vht_cap = &band->vht_cap;
784 vht_cap->vht_supported = true;
785 memcpy(&vht_cap->cap,
786 &macinfo->vht_cap.vht_cap_info, sizeof(u32));
787
788 memcpy(&vht_cap->vht_mcs,
789 &macinfo->vht_cap.supp_mcs,
790 sizeof(struct ieee80211_vht_mcs_info));
791 }
792}
793
794struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus)
795{
796 struct wiphy *wiphy;
797
798 wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac));
799 if (!wiphy)
800 return NULL;
801
802 set_wiphy_dev(wiphy, bus->dev);
803
804 return wiphy;
805}
806
807static int qtnf_wiphy_setup_if_comb(struct wiphy *wiphy,
808 struct ieee80211_iface_combination *if_comb,
809 const struct qtnf_mac_info *mac_info)
810{
811 size_t max_interfaces = 0;
812 u16 interface_modes = 0;
813 size_t i;
814
815 if (unlikely(!mac_info->limits || !mac_info->n_limits))
816 return -ENOENT;
817
818 if_comb->limits = mac_info->limits;
819 if_comb->n_limits = mac_info->n_limits;
820
821 for (i = 0; i < mac_info->n_limits; i++) {
822 max_interfaces += mac_info->limits[i].max;
823 interface_modes |= mac_info->limits[i].types;
824 }
825
826 if_comb->num_different_channels = 1;
827 if_comb->beacon_int_infra_match = true;
828 if_comb->max_interfaces = max_interfaces;
829 if_comb->radar_detect_widths = mac_info->radar_detect_widths;
830 wiphy->interface_modes = interface_modes;
831
832 return 0;
833}
834
835int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac)
836{
837 struct wiphy *wiphy = priv_to_wiphy(mac);
838 struct ieee80211_iface_combination *iface_comb = NULL;
839 int ret;
840
841 if (!wiphy) {
842 pr_err("invalid wiphy pointer\n");
843 return -EFAULT;
844 }
845
846 iface_comb = kzalloc(sizeof(*iface_comb), GFP_KERNEL);
847 if (!iface_comb) {
848 ret = -ENOMEM;
849 goto out;
850 }
851
852 ret = qtnf_wiphy_setup_if_comb(wiphy, iface_comb, &mac->macinfo);
853 if (ret)
854 goto out;
855
856 pr_info("MAC%u: phymode=%#x radar=%#x\n", mac->macid,
857 mac->macinfo.phymode_cap, mac->macinfo.radar_detect_widths);
858
859 wiphy->frag_threshold = mac->macinfo.frag_thr;
860 wiphy->rts_threshold = mac->macinfo.rts_thr;
861 wiphy->retry_short = mac->macinfo.sretry_limit;
862 wiphy->retry_long = mac->macinfo.lretry_limit;
863 wiphy->coverage_class = mac->macinfo.coverage_class;
864
865 wiphy->max_scan_ssids = QTNF_MAX_SSID_LIST_LENGTH;
866 wiphy->max_scan_ie_len = QTNF_MAX_VSIE_LEN;
867 wiphy->mgmt_stypes = qtnf_mgmt_stypes;
868 wiphy->max_remain_on_channel_duration = 5000;
869
870 wiphy->iface_combinations = iface_comb;
871 wiphy->n_iface_combinations = 1;
872
873
874 wiphy->cipher_suites = qtnf_cipher_suites;
875 wiphy->n_cipher_suites = ARRAY_SIZE(qtnf_cipher_suites);
876 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
877 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
878 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
879 WIPHY_FLAG_AP_UAPSD;
880
881 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
882 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2;
883
884 wiphy->available_antennas_tx = mac->macinfo.num_tx_chain;
885 wiphy->available_antennas_rx = mac->macinfo.num_rx_chain;
886
887 wiphy->max_ap_assoc_sta = mac->macinfo.max_ap_assoc_sta;
888
889 ether_addr_copy(wiphy->perm_addr, mac->macaddr);
890
891 if (hw_info->hw_capab & QLINK_HW_SUPPORTS_REG_UPDATE) {
892 pr_debug("device supports REG_UPDATE\n");
893 wiphy->reg_notifier = qtnf_cfg80211_reg_notifier;
894 pr_debug("hint regulatory about EP region: %c%c\n",
895 hw_info->alpha2_code[0],
896 hw_info->alpha2_code[1]);
897 regulatory_hint(wiphy, hw_info->alpha2_code);
898 } else {
899 pr_debug("device doesn't support REG_UPDATE\n");
900 wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
901 }
902
903 ret = wiphy_register(wiphy);
904
905out:
906 if (ret < 0) {
907 kfree(iface_comb);
908 return ret;
909 }
910
911 return 0;
912}
913
914void qtnf_netdev_updown(struct net_device *ndev, bool up)
915{
916 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
917
918 if (qtnf_cmd_send_updown_intf(vif, up))
919 pr_err("failed to send up/down command to FW\n");
920}
921
922void qtnf_virtual_intf_cleanup(struct net_device *ndev)
923{
924 struct qtnf_vif *vif = qtnf_netdev_get_priv(ndev);
925 struct qtnf_wmac *mac = wiphy_priv(vif->wdev.wiphy);
926
927 if (vif->wdev.iftype == NL80211_IFTYPE_STATION) {
928 switch (vif->sta_state) {
929 case QTNF_STA_DISCONNECTED:
930 break;
931 case QTNF_STA_CONNECTING:
932 cfg80211_connect_result(vif->netdev,
933 vif->bss_cfg.bssid, NULL, 0,
934 NULL, 0,
935 WLAN_STATUS_UNSPECIFIED_FAILURE,
936 GFP_KERNEL);
937 qtnf_disconnect(vif->wdev.wiphy, ndev,
938 WLAN_REASON_DEAUTH_LEAVING);
939 break;
940 case QTNF_STA_CONNECTED:
941 cfg80211_disconnected(vif->netdev,
942 WLAN_REASON_DEAUTH_LEAVING,
943 NULL, 0, 1, GFP_KERNEL);
944 qtnf_disconnect(vif->wdev.wiphy, ndev,
945 WLAN_REASON_DEAUTH_LEAVING);
946 break;
947 }
948
949 vif->sta_state = QTNF_STA_DISCONNECTED;
950 qtnf_scan_done(mac, true);
951 }
952}
953
954void qtnf_cfg80211_vif_reset(struct qtnf_vif *vif)
955{
956 if (vif->wdev.iftype == NL80211_IFTYPE_STATION) {
957 switch (vif->sta_state) {
958 case QTNF_STA_CONNECTING:
959 cfg80211_connect_result(vif->netdev,
960 vif->bss_cfg.bssid, NULL, 0,
961 NULL, 0,
962 WLAN_STATUS_UNSPECIFIED_FAILURE,
963 GFP_KERNEL);
964 break;
965 case QTNF_STA_CONNECTED:
966 cfg80211_disconnected(vif->netdev,
967 WLAN_REASON_DEAUTH_LEAVING,
968 NULL, 0, 1, GFP_KERNEL);
969 break;
970 case QTNF_STA_DISCONNECTED:
971 break;
972 }
973 }
974
975 cfg80211_shutdown_all_interfaces(vif->wdev.wiphy);
976 vif->sta_state = QTNF_STA_DISCONNECTED;
977}
978
979void qtnf_band_init_rates(struct ieee80211_supported_band *band)
980{
981 switch (band->band) {
982 case NL80211_BAND_2GHZ:
983 band->bitrates = qtnf_rates_2g;
984 band->n_bitrates = ARRAY_SIZE(qtnf_rates_2g);
985 break;
986 case NL80211_BAND_5GHZ:
987 band->bitrates = qtnf_rates_5g;
988 band->n_bitrates = ARRAY_SIZE(qtnf_rates_5g);
989 break;
990 default:
991 band->bitrates = NULL;
992 band->n_bitrates = 0;
993 break;
994 }
995}
996
