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18#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
20#include <linux/moduleparam.h>
21#include <linux/inetdevice.h>
22#include <linux/export.h>
23
24#include "core.h"
25#include "cfg80211.h"
26#include "debug.h"
27#include "hif-ops.h"
28#include "testmode.h"
29
30#define RATETAB_ENT(_rate, _rateid, _flags) { \
31 .bitrate = (_rate), \
32 .flags = (_flags), \
33 .hw_value = (_rateid), \
34}
35
36#define CHAN2G(_channel, _freq, _flags) { \
37 .band = IEEE80211_BAND_2GHZ, \
38 .hw_value = (_channel), \
39 .center_freq = (_freq), \
40 .flags = (_flags), \
41 .max_antenna_gain = 0, \
42 .max_power = 30, \
43}
44
45#define CHAN5G(_channel, _flags) { \
46 .band = IEEE80211_BAND_5GHZ, \
47 .hw_value = (_channel), \
48 .center_freq = 5000 + (5 * (_channel)), \
49 .flags = (_flags), \
50 .max_antenna_gain = 0, \
51 .max_power = 30, \
52}
53
54#define DEFAULT_BG_SCAN_PERIOD 60
55
56struct ath6kl_cfg80211_match_probe_ssid {
57 struct cfg80211_ssid ssid;
58 u8 flag;
59};
60
61static struct ieee80211_rate ath6kl_rates[] = {
62 RATETAB_ENT(10, 0x1, 0),
63 RATETAB_ENT(20, 0x2, 0),
64 RATETAB_ENT(55, 0x4, 0),
65 RATETAB_ENT(110, 0x8, 0),
66 RATETAB_ENT(60, 0x10, 0),
67 RATETAB_ENT(90, 0x20, 0),
68 RATETAB_ENT(120, 0x40, 0),
69 RATETAB_ENT(180, 0x80, 0),
70 RATETAB_ENT(240, 0x100, 0),
71 RATETAB_ENT(360, 0x200, 0),
72 RATETAB_ENT(480, 0x400, 0),
73 RATETAB_ENT(540, 0x800, 0),
74};
75
76#define ath6kl_a_rates (ath6kl_rates + 4)
77#define ath6kl_a_rates_size 8
78#define ath6kl_g_rates (ath6kl_rates + 0)
79#define ath6kl_g_rates_size 12
80
81#define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
82#define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
83 IEEE80211_HT_CAP_SGI_20 | \
84 IEEE80211_HT_CAP_SGI_40)
85
86static struct ieee80211_channel ath6kl_2ghz_channels[] = {
87 CHAN2G(1, 2412, 0),
88 CHAN2G(2, 2417, 0),
89 CHAN2G(3, 2422, 0),
90 CHAN2G(4, 2427, 0),
91 CHAN2G(5, 2432, 0),
92 CHAN2G(6, 2437, 0),
93 CHAN2G(7, 2442, 0),
94 CHAN2G(8, 2447, 0),
95 CHAN2G(9, 2452, 0),
96 CHAN2G(10, 2457, 0),
97 CHAN2G(11, 2462, 0),
98 CHAN2G(12, 2467, 0),
99 CHAN2G(13, 2472, 0),
100 CHAN2G(14, 2484, 0),
101};
102
103static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
104 CHAN5G(34, 0), CHAN5G(36, 0),
105 CHAN5G(38, 0), CHAN5G(40, 0),
106 CHAN5G(42, 0), CHAN5G(44, 0),
107 CHAN5G(46, 0), CHAN5G(48, 0),
108 CHAN5G(52, 0), CHAN5G(56, 0),
109 CHAN5G(60, 0), CHAN5G(64, 0),
110 CHAN5G(100, 0), CHAN5G(104, 0),
111 CHAN5G(108, 0), CHAN5G(112, 0),
112 CHAN5G(116, 0), CHAN5G(120, 0),
113 CHAN5G(124, 0), CHAN5G(128, 0),
114 CHAN5G(132, 0), CHAN5G(136, 0),
115 CHAN5G(140, 0), CHAN5G(149, 0),
116 CHAN5G(153, 0), CHAN5G(157, 0),
117 CHAN5G(161, 0), CHAN5G(165, 0),
118 CHAN5G(184, 0), CHAN5G(188, 0),
119 CHAN5G(192, 0), CHAN5G(196, 0),
120 CHAN5G(200, 0), CHAN5G(204, 0),
121 CHAN5G(208, 0), CHAN5G(212, 0),
122 CHAN5G(216, 0),
123};
124
125static struct ieee80211_supported_band ath6kl_band_2ghz = {
126 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
127 .channels = ath6kl_2ghz_channels,
128 .n_bitrates = ath6kl_g_rates_size,
129 .bitrates = ath6kl_g_rates,
130 .ht_cap.cap = ath6kl_g_htcap,
131 .ht_cap.ht_supported = true,
132};
133
134static struct ieee80211_supported_band ath6kl_band_5ghz = {
135 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
136 .channels = ath6kl_5ghz_a_channels,
137 .n_bitrates = ath6kl_a_rates_size,
138 .bitrates = ath6kl_a_rates,
139 .ht_cap.cap = ath6kl_a_htcap,
140 .ht_cap.ht_supported = true,
141};
142
143#define CCKM_KRK_CIPHER_SUITE 0x004096ff
144
145
146static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
147{
148 struct ath6kl *ar = vif->ar;
149
150 if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags))
151 return false;
152
153 del_timer_sync(&vif->sched_scan_timer);
154
155 if (ar->state == ATH6KL_STATE_RECOVERY)
156 return true;
157
158 ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false);
159
160 return true;
161}
162
163static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
164{
165 struct ath6kl *ar = vif->ar;
166 bool stopped;
167
168 stopped = __ath6kl_cfg80211_sscan_stop(vif);
169
170 if (!stopped)
171 return;
172
173 cfg80211_sched_scan_stopped(ar->wiphy);
174}
175
176static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
177 enum nl80211_wpa_versions wpa_version)
178{
179 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
180
181 if (!wpa_version) {
182 vif->auth_mode = NONE_AUTH;
183 } else if (wpa_version & NL80211_WPA_VERSION_2) {
184 vif->auth_mode = WPA2_AUTH;
185 } else if (wpa_version & NL80211_WPA_VERSION_1) {
186 vif->auth_mode = WPA_AUTH;
187 } else {
188 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
189 return -ENOTSUPP;
190 }
191
192 return 0;
193}
194
195static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
196 enum nl80211_auth_type auth_type)
197{
198 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
199
200 switch (auth_type) {
201 case NL80211_AUTHTYPE_OPEN_SYSTEM:
202 vif->dot11_auth_mode = OPEN_AUTH;
203 break;
204 case NL80211_AUTHTYPE_SHARED_KEY:
205 vif->dot11_auth_mode = SHARED_AUTH;
206 break;
207 case NL80211_AUTHTYPE_NETWORK_EAP:
208 vif->dot11_auth_mode = LEAP_AUTH;
209 break;
210
211 case NL80211_AUTHTYPE_AUTOMATIC:
212 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
213 break;
214
215 default:
216 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
217 return -ENOTSUPP;
218 }
219
220 return 0;
221}
222
223static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
224{
225 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
226 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
227 &vif->grp_crypto_len;
228
229 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
230 __func__, cipher, ucast);
231
232 switch (cipher) {
233 case 0:
234
235 *ar_cipher = NONE_CRYPT;
236 *ar_cipher_len = 0;
237 break;
238 case WLAN_CIPHER_SUITE_WEP40:
239 *ar_cipher = WEP_CRYPT;
240 *ar_cipher_len = 5;
241 break;
242 case WLAN_CIPHER_SUITE_WEP104:
243 *ar_cipher = WEP_CRYPT;
244 *ar_cipher_len = 13;
245 break;
246 case WLAN_CIPHER_SUITE_TKIP:
247 *ar_cipher = TKIP_CRYPT;
248 *ar_cipher_len = 0;
249 break;
250 case WLAN_CIPHER_SUITE_CCMP:
251 *ar_cipher = AES_CRYPT;
252 *ar_cipher_len = 0;
253 break;
254 case WLAN_CIPHER_SUITE_SMS4:
255 *ar_cipher = WAPI_CRYPT;
256 *ar_cipher_len = 0;
257 break;
258 default:
259 ath6kl_err("cipher 0x%x not supported\n", cipher);
260 return -ENOTSUPP;
261 }
262
263 return 0;
264}
265
266static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
267{
268 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
269
270 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
271 if (vif->auth_mode == WPA_AUTH)
272 vif->auth_mode = WPA_PSK_AUTH;
273 else if (vif->auth_mode == WPA2_AUTH)
274 vif->auth_mode = WPA2_PSK_AUTH;
275 } else if (key_mgmt == 0x00409600) {
276 if (vif->auth_mode == WPA_AUTH)
277 vif->auth_mode = WPA_AUTH_CCKM;
278 else if (vif->auth_mode == WPA2_AUTH)
279 vif->auth_mode = WPA2_AUTH_CCKM;
280 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
281 vif->auth_mode = NONE_AUTH;
282 }
283}
284
285static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
286{
287 struct ath6kl *ar = vif->ar;
288
289 if (!test_bit(WMI_READY, &ar->flag)) {
290 ath6kl_err("wmi is not ready\n");
291 return false;
292 }
293
294 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
295 ath6kl_err("wlan disabled\n");
296 return false;
297 }
298
299 return true;
300}
301
302static bool ath6kl_is_wpa_ie(const u8 *pos)
303{
304 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
305 pos[2] == 0x00 && pos[3] == 0x50 &&
306 pos[4] == 0xf2 && pos[5] == 0x01;
307}
308
309static bool ath6kl_is_rsn_ie(const u8 *pos)
310{
311 return pos[0] == WLAN_EID_RSN;
312}
313
314static bool ath6kl_is_wps_ie(const u8 *pos)
315{
316 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
317 pos[1] >= 4 &&
318 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
319 pos[5] == 0x04);
320}
321
322static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
323 size_t ies_len)
324{
325 struct ath6kl *ar = vif->ar;
326 const u8 *pos;
327 u8 *buf = NULL;
328 size_t len = 0;
329 int ret;
330
331
332
333
334
335 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
336
337
338
339
340
341 if (ies && ies_len) {
342 buf = kmalloc(ies_len, GFP_KERNEL);
343 if (buf == NULL)
344 return -ENOMEM;
345 pos = ies;
346
347 while (pos + 1 < ies + ies_len) {
348 if (pos + 2 + pos[1] > ies + ies_len)
349 break;
350 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
351 memcpy(buf + len, pos, 2 + pos[1]);
352 len += 2 + pos[1];
353 }
354
355 if (ath6kl_is_wps_ie(pos))
356 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
357
358 pos += 2 + pos[1];
359 }
360 }
361
362 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
363 WMI_FRAME_ASSOC_REQ, buf, len);
364 kfree(buf);
365 return ret;
366}
367
368static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
369{
370 switch (type) {
371 case NL80211_IFTYPE_STATION:
372 case NL80211_IFTYPE_P2P_CLIENT:
373 *nw_type = INFRA_NETWORK;
374 break;
375 case NL80211_IFTYPE_ADHOC:
376 *nw_type = ADHOC_NETWORK;
377 break;
378 case NL80211_IFTYPE_AP:
379 case NL80211_IFTYPE_P2P_GO:
380 *nw_type = AP_NETWORK;
381 break;
382 default:
383 ath6kl_err("invalid interface type %u\n", type);
384 return -ENOTSUPP;
385 }
386
387 return 0;
388}
389
390static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
391 u8 *if_idx, u8 *nw_type)
392{
393 int i;
394
395 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
396 return false;
397
398 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
399 ar->num_vif))
400 return false;
401
402 if (type == NL80211_IFTYPE_STATION ||
403 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
404 for (i = 0; i < ar->vif_max; i++) {
405 if ((ar->avail_idx_map) & BIT(i)) {
406 *if_idx = i;
407 return true;
408 }
409 }
410 }
411
412 if (type == NL80211_IFTYPE_P2P_CLIENT ||
413 type == NL80211_IFTYPE_P2P_GO) {
414 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
415 if ((ar->avail_idx_map) & BIT(i)) {
416 *if_idx = i;
417 return true;
418 }
419 }
420 }
421
422 return false;
423}
424
425static bool ath6kl_is_tx_pending(struct ath6kl *ar)
426{
427 return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
428}
429
430static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif,
431 bool enable)
432{
433 int err;
434
435 if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag)))
436 return;
437
438 if (vif->nw_type != INFRA_NETWORK)
439 return;
440
441 if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
442 vif->ar->fw_capabilities))
443 return;
444
445 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n",
446 enable ? "enable" : "disable");
447
448 err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi,
449 vif->fw_vif_idx, enable);
450 if (err)
451 ath6kl_err("failed to %s enhanced bmiss detection: %d\n",
452 enable ? "enable" : "disable", err);
453}
454
455static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
456 struct cfg80211_connect_params *sme)
457{
458 struct ath6kl *ar = ath6kl_priv(dev);
459 struct ath6kl_vif *vif = netdev_priv(dev);
460 int status;
461 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
462 u16 interval;
463
464 ath6kl_cfg80211_sscan_disable(vif);
465
466 vif->sme_state = SME_CONNECTING;
467
468 if (!ath6kl_cfg80211_ready(vif))
469 return -EIO;
470
471 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
472 ath6kl_err("destroy in progress\n");
473 return -EBUSY;
474 }
475
476 if (test_bit(SKIP_SCAN, &ar->flag) &&
477 ((sme->channel && sme->channel->center_freq == 0) ||
478 (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
479 ath6kl_err("SkipScan: channel or bssid invalid\n");
480 return -EINVAL;
481 }
482
483 if (down_interruptible(&ar->sem)) {
484 ath6kl_err("busy, couldn't get access\n");
485 return -ERESTARTSYS;
486 }
487
488 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
489 ath6kl_err("busy, destroy in progress\n");
490 up(&ar->sem);
491 return -EBUSY;
492 }
493
494 if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
495
496
497
498 wait_event_interruptible_timeout(ar->event_wq,
499 ath6kl_is_tx_pending(ar),
500 WMI_TIMEOUT);
501 if (signal_pending(current)) {
502 ath6kl_err("cmd queue drain timeout\n");
503 up(&ar->sem);
504 return -EINTR;
505 }
506 }
507
508 status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
509 if (status) {
510 up(&ar->sem);
511 return status;
512 }
513
514 if (sme->ie == NULL || sme->ie_len == 0)
515 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
516
517 if (test_bit(CONNECTED, &vif->flags) &&
518 vif->ssid_len == sme->ssid_len &&
519 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
520 vif->reconnect_flag = true;
521 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
522 vif->req_bssid,
523 vif->ch_hint);
524
525 up(&ar->sem);
526 if (status) {
527 ath6kl_err("wmi_reconnect_cmd failed\n");
528 return -EIO;
529 }
530 return 0;
531 } else if (vif->ssid_len == sme->ssid_len &&
532 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
533 ath6kl_disconnect(vif);
534 }
535
536 memset(vif->ssid, 0, sizeof(vif->ssid));
537 vif->ssid_len = sme->ssid_len;
538 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
539
540 if (sme->channel)
541 vif->ch_hint = sme->channel->center_freq;
542
543 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
544 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
545 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
546
547 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
548
549 status = ath6kl_set_auth_type(vif, sme->auth_type);
550 if (status) {
551 up(&ar->sem);
552 return status;
553 }
554
555 if (sme->crypto.n_ciphers_pairwise)
556 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
557 else
558 ath6kl_set_cipher(vif, 0, true);
559
560 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
561
562 if (sme->crypto.n_akm_suites)
563 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
564
565 if ((sme->key_len) &&
566 (vif->auth_mode == NONE_AUTH) &&
567 (vif->prwise_crypto == WEP_CRYPT)) {
568 struct ath6kl_key *key = NULL;
569
570 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
571 ath6kl_err("key index %d out of bounds\n",
572 sme->key_idx);
573 up(&ar->sem);
574 return -ENOENT;
575 }
576
577 key = &vif->keys[sme->key_idx];
578 key->key_len = sme->key_len;
579 memcpy(key->key, sme->key, key->key_len);
580 key->cipher = vif->prwise_crypto;
581 vif->def_txkey_index = sme->key_idx;
582
583 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
584 vif->prwise_crypto,
585 GROUP_USAGE | TX_USAGE,
586 key->key_len,
587 NULL, 0,
588 key->key, KEY_OP_INIT_VAL, NULL,
589 NO_SYNC_WMIFLAG);
590 }
591
592 if (!ar->usr_bss_filter) {
593 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
594 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
595 ALL_BSS_FILTER, 0) != 0) {
596 ath6kl_err("couldn't set bss filtering\n");
597 up(&ar->sem);
598 return -EIO;
599 }
600 }
601
602 vif->nw_type = vif->next_mode;
603
604
605 ath6kl_cfg80211_sta_bmiss_enhance(vif, true);
606
607 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
608 nw_subtype = SUBTYPE_P2PCLIENT;
609
610 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
611 "%s: connect called with authmode %d dot11 auth %d"
612 " PW crypto %d PW crypto len %d GRP crypto %d"
613 " GRP crypto len %d channel hint %u\n",
614 __func__,
615 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
616 vif->prwise_crypto_len, vif->grp_crypto,
617 vif->grp_crypto_len, vif->ch_hint);
618
619 vif->reconnect_flag = 0;
620
621 if (vif->nw_type == INFRA_NETWORK) {
622 interval = max_t(u16, vif->listen_intvl_t,
623 ATH6KL_MAX_WOW_LISTEN_INTL);
624 status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
625 interval,
626 0);
627 if (status) {
628 ath6kl_err("couldn't set listen intervel\n");
629 up(&ar->sem);
630 return status;
631 }
632 }
633
634 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
635 vif->dot11_auth_mode, vif->auth_mode,
636 vif->prwise_crypto,
637 vif->prwise_crypto_len,
638 vif->grp_crypto, vif->grp_crypto_len,
639 vif->ssid_len, vif->ssid,
640 vif->req_bssid, vif->ch_hint,
641 ar->connect_ctrl_flags, nw_subtype);
642
643 if (sme->bg_scan_period == 0) {
644
645 sme->bg_scan_period = 0xffff;
646 } else if (sme->bg_scan_period == -1) {
647
648 sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
649 }
650
651 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0,
652 sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
653
654 up(&ar->sem);
655
656 if (status == -EINVAL) {
657 memset(vif->ssid, 0, sizeof(vif->ssid));
658 vif->ssid_len = 0;
659 ath6kl_err("invalid request\n");
660 return -ENOENT;
661 } else if (status) {
662 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
663 return -EIO;
664 }
665
666 if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
667 ((vif->auth_mode == WPA_PSK_AUTH) ||
668 (vif->auth_mode == WPA2_PSK_AUTH))) {
669 mod_timer(&vif->disconnect_timer,
670 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
671 }
672
673 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
674 set_bit(CONNECT_PEND, &vif->flags);
675
676 return 0;
677}
678
679static struct cfg80211_bss *
680ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
681 enum network_type nw_type,
682 const u8 *bssid,
683 struct ieee80211_channel *chan,
684 const u8 *beacon_ie,
685 size_t beacon_ie_len)
686{
687 struct ath6kl *ar = vif->ar;
688 struct cfg80211_bss *bss;
689 u16 cap_mask, cap_val;
690 u8 *ie;
691
692 if (nw_type & ADHOC_NETWORK) {
693 cap_mask = WLAN_CAPABILITY_IBSS;
694 cap_val = WLAN_CAPABILITY_IBSS;
695 } else {
696 cap_mask = WLAN_CAPABILITY_ESS;
697 cap_val = WLAN_CAPABILITY_ESS;
698 }
699
700 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
701 vif->ssid, vif->ssid_len,
702 cap_mask, cap_val);
703 if (bss == NULL) {
704
705
706
707
708
709
710
711
712 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
713 if (ie == NULL)
714 return NULL;
715 ie[0] = WLAN_EID_SSID;
716 ie[1] = vif->ssid_len;
717 memcpy(ie + 2, vif->ssid, vif->ssid_len);
718 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
719 bss = cfg80211_inform_bss(ar->wiphy, chan,
720 bssid, 0, cap_val, 100,
721 ie, 2 + vif->ssid_len + beacon_ie_len,
722 0, GFP_KERNEL);
723 if (bss)
724 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
725 "added bss %pM to cfg80211\n", bssid);
726 kfree(ie);
727 } else {
728 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
729 }
730
731 return bss;
732}
733
734void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
735 u8 *bssid, u16 listen_intvl,
736 u16 beacon_intvl,
737 enum network_type nw_type,
738 u8 beacon_ie_len, u8 assoc_req_len,
739 u8 assoc_resp_len, u8 *assoc_info)
740{
741 struct ieee80211_channel *chan;
742 struct ath6kl *ar = vif->ar;
743 struct cfg80211_bss *bss;
744
745
746 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
747
748
749 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
750
751 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
752 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
753 assoc_resp_ie_offset;
754
755 assoc_req_len -= assoc_req_ie_offset;
756 assoc_resp_len -= assoc_resp_ie_offset;
757
758
759
760
761
762 vif->assoc_bss_beacon_int = beacon_intvl;
763 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
764
765 if (nw_type & ADHOC_NETWORK) {
766 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
767 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
768 "%s: ath6k not in ibss mode\n", __func__);
769 return;
770 }
771 }
772
773 if (nw_type & INFRA_NETWORK) {
774 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
775 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
776 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
777 "%s: ath6k not in station mode\n", __func__);
778 return;
779 }
780 }
781
782 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
783
784 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
785 assoc_info, beacon_ie_len);
786 if (!bss) {
787 ath6kl_err("could not add cfg80211 bss entry\n");
788 return;
789 }
790
791 if (nw_type & ADHOC_NETWORK) {
792 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
793 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
794 cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL);
795 cfg80211_put_bss(ar->wiphy, bss);
796 return;
797 }
798
799 if (vif->sme_state == SME_CONNECTING) {
800
801 vif->sme_state = SME_CONNECTED;
802 cfg80211_connect_result(vif->ndev, bssid,
803 assoc_req_ie, assoc_req_len,
804 assoc_resp_ie, assoc_resp_len,
805 WLAN_STATUS_SUCCESS, GFP_KERNEL);
806 cfg80211_put_bss(ar->wiphy, bss);
807 } else if (vif->sme_state == SME_CONNECTED) {
808
809 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
810 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
811 }
812}
813
814static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
815 struct net_device *dev, u16 reason_code)
816{
817 struct ath6kl *ar = ath6kl_priv(dev);
818 struct ath6kl_vif *vif = netdev_priv(dev);
819
820 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
821 reason_code);
822
823 ath6kl_cfg80211_sscan_disable(vif);
824
825 if (!ath6kl_cfg80211_ready(vif))
826 return -EIO;
827
828 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
829 ath6kl_err("busy, destroy in progress\n");
830 return -EBUSY;
831 }
832
833 if (down_interruptible(&ar->sem)) {
834 ath6kl_err("busy, couldn't get access\n");
835 return -ERESTARTSYS;
836 }
837
838 vif->reconnect_flag = 0;
839 ath6kl_disconnect(vif);
840 memset(vif->ssid, 0, sizeof(vif->ssid));
841 vif->ssid_len = 0;
842
843 if (!test_bit(SKIP_SCAN, &ar->flag))
844 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
845
846 up(&ar->sem);
847
848 vif->sme_state = SME_DISCONNECTED;
849
850 return 0;
851}
852
853void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
854 u8 *bssid, u8 assoc_resp_len,
855 u8 *assoc_info, u16 proto_reason)
856{
857 struct ath6kl *ar = vif->ar;
858
859 if (vif->scan_req) {
860 cfg80211_scan_done(vif->scan_req, true);
861 vif->scan_req = NULL;
862 }
863
864 if (vif->nw_type & ADHOC_NETWORK) {
865 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC)
866 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
867 "%s: ath6k not in ibss mode\n", __func__);
868 return;
869 }
870
871 if (vif->nw_type & INFRA_NETWORK) {
872 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
873 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
874 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
875 "%s: ath6k not in station mode\n", __func__);
876 return;
877 }
878 }
879
880 clear_bit(CONNECT_PEND, &vif->flags);
881
882 if (vif->sme_state == SME_CONNECTING) {
883 cfg80211_connect_result(vif->ndev,
884 bssid, NULL, 0,
885 NULL, 0,
886 WLAN_STATUS_UNSPECIFIED_FAILURE,
887 GFP_KERNEL);
888 } else if (vif->sme_state == SME_CONNECTED) {
889 cfg80211_disconnected(vif->ndev, proto_reason,
890 NULL, 0, GFP_KERNEL);
891 }
892
893 vif->sme_state = SME_DISCONNECTED;
894
895
896
897
898
899
900
901
902
903 if (reason != DISCONNECT_CMD)
904 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
905}
906
907static int ath6kl_set_probed_ssids(struct ath6kl *ar,
908 struct ath6kl_vif *vif,
909 struct cfg80211_ssid *ssids, int n_ssids,
910 struct cfg80211_match_set *match_set,
911 int n_match_ssid)
912{
913 u8 i, j, index_to_add, ssid_found = false;
914 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
915
916 memset(ssid_list, 0, sizeof(ssid_list));
917
918 if (n_ssids > MAX_PROBED_SSIDS ||
919 n_match_ssid > MAX_PROBED_SSIDS)
920 return -EINVAL;
921
922 for (i = 0; i < n_ssids; i++) {
923 memcpy(ssid_list[i].ssid.ssid,
924 ssids[i].ssid,
925 ssids[i].ssid_len);
926 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
927
928 if (ssids[i].ssid_len)
929 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
930 else
931 ssid_list[i].flag = ANY_SSID_FLAG;
932
933 if (n_match_ssid == 0)
934 ssid_list[i].flag |= MATCH_SSID_FLAG;
935 }
936
937 index_to_add = i;
938
939 for (i = 0; i < n_match_ssid; i++) {
940 ssid_found = false;
941
942 for (j = 0; j < n_ssids; j++) {
943 if ((match_set[i].ssid.ssid_len ==
944 ssid_list[j].ssid.ssid_len) &&
945 (!memcmp(ssid_list[j].ssid.ssid,
946 match_set[i].ssid.ssid,
947 match_set[i].ssid.ssid_len))) {
948 ssid_list[j].flag |= MATCH_SSID_FLAG;
949 ssid_found = true;
950 break;
951 }
952 }
953
954 if (ssid_found)
955 continue;
956
957 if (index_to_add >= MAX_PROBED_SSIDS)
958 continue;
959
960 ssid_list[index_to_add].ssid.ssid_len =
961 match_set[i].ssid.ssid_len;
962 memcpy(ssid_list[index_to_add].ssid.ssid,
963 match_set[i].ssid.ssid,
964 match_set[i].ssid.ssid_len);
965 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
966 index_to_add++;
967 }
968
969 for (i = 0; i < index_to_add; i++) {
970 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
971 ssid_list[i].flag,
972 ssid_list[i].ssid.ssid_len,
973 ssid_list[i].ssid.ssid);
974 }
975
976
977 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
978 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
979 DISABLE_SSID_FLAG, 0, NULL);
980 }
981
982 return 0;
983}
984
985static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
986 struct cfg80211_scan_request *request)
987{
988 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
989 struct ath6kl *ar = ath6kl_priv(vif->ndev);
990 s8 n_channels = 0;
991 u16 *channels = NULL;
992 int ret = 0;
993 u32 force_fg_scan = 0;
994
995 if (!ath6kl_cfg80211_ready(vif))
996 return -EIO;
997
998 ath6kl_cfg80211_sscan_disable(vif);
999
1000 if (!ar->usr_bss_filter) {
1001 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
1002 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1003 ALL_BSS_FILTER, 0);
1004 if (ret) {
1005 ath6kl_err("couldn't set bss filtering\n");
1006 return ret;
1007 }
1008 }
1009
1010 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
1011 request->n_ssids, NULL, 0);
1012 if (ret < 0)
1013 return ret;
1014
1015
1016 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1017 WMI_FRAME_PROBE_REQ,
1018 request->ie, request->ie_len);
1019 if (ret) {
1020 ath6kl_err("failed to set Probe Request appie for scan\n");
1021 return ret;
1022 }
1023
1024
1025
1026
1027
1028
1029 if (request->n_channels > 0 &&
1030 request->n_channels <= WMI_MAX_CHANNELS) {
1031 u8 i;
1032
1033 n_channels = request->n_channels;
1034
1035 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1036 if (channels == NULL) {
1037 ath6kl_warn("failed to set scan channels, scan all channels");
1038 n_channels = 0;
1039 }
1040
1041 for (i = 0; i < n_channels; i++)
1042 channels[i] = request->channels[i]->center_freq;
1043 }
1044
1045 if (test_bit(CONNECTED, &vif->flags))
1046 force_fg_scan = 1;
1047
1048 vif->scan_req = request;
1049
1050 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1051 WMI_LONG_SCAN, force_fg_scan,
1052 false, 0,
1053 ATH6KL_FG_SCAN_INTERVAL,
1054 n_channels, channels,
1055 request->no_cck,
1056 request->rates);
1057 if (ret) {
1058 ath6kl_err("failed to start scan: %d\n", ret);
1059 vif->scan_req = NULL;
1060 }
1061
1062 kfree(channels);
1063
1064 return ret;
1065}
1066
1067void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
1068{
1069 struct ath6kl *ar = vif->ar;
1070 int i;
1071
1072 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1073 aborted ? " aborted" : "");
1074
1075 if (!vif->scan_req)
1076 return;
1077
1078 if (aborted)
1079 goto out;
1080
1081 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1082 for (i = 0; i < vif->scan_req->n_ssids; i++) {
1083 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1084 i + 1, DISABLE_SSID_FLAG,
1085 0, NULL);
1086 }
1087 }
1088
1089out:
1090 cfg80211_scan_done(vif->scan_req, aborted);
1091 vif->scan_req = NULL;
1092}
1093
1094void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1095 enum wmi_phy_mode mode)
1096{
1097 struct cfg80211_chan_def chandef;
1098
1099 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1100 "channel switch notify nw_type %d freq %d mode %d\n",
1101 vif->nw_type, freq, mode);
1102
1103 cfg80211_chandef_create(&chandef,
1104 ieee80211_get_channel(vif->ar->wiphy, freq),
1105 (mode == WMI_11G_HT20) ?
1106 NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT);
1107
1108 mutex_lock(&vif->wdev.mtx);
1109 cfg80211_ch_switch_notify(vif->ndev, &chandef);
1110 mutex_unlock(&vif->wdev.mtx);
1111}
1112
1113static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1114 u8 key_index, bool pairwise,
1115 const u8 *mac_addr,
1116 struct key_params *params)
1117{
1118 struct ath6kl *ar = ath6kl_priv(ndev);
1119 struct ath6kl_vif *vif = netdev_priv(ndev);
1120 struct ath6kl_key *key = NULL;
1121 int seq_len;
1122 u8 key_usage;
1123 u8 key_type;
1124
1125 if (!ath6kl_cfg80211_ready(vif))
1126 return -EIO;
1127
1128 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1129 if (params->key_len != WMI_KRK_LEN)
1130 return -EINVAL;
1131 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1132 params->key);
1133 }
1134
1135 if (key_index > WMI_MAX_KEY_INDEX) {
1136 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1137 "%s: key index %d out of bounds\n", __func__,
1138 key_index);
1139 return -ENOENT;
1140 }
1141
1142 key = &vif->keys[key_index];
1143 memset(key, 0, sizeof(struct ath6kl_key));
1144
1145 if (pairwise)
1146 key_usage = PAIRWISE_USAGE;
1147 else
1148 key_usage = GROUP_USAGE;
1149
1150 seq_len = params->seq_len;
1151 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1152 seq_len > ATH6KL_KEY_SEQ_LEN) {
1153
1154 seq_len = ATH6KL_KEY_SEQ_LEN;
1155 }
1156 if (params->key_len > WLAN_MAX_KEY_LEN ||
1157 seq_len > sizeof(key->seq))
1158 return -EINVAL;
1159
1160 key->key_len = params->key_len;
1161 memcpy(key->key, params->key, key->key_len);
1162 key->seq_len = seq_len;
1163 memcpy(key->seq, params->seq, key->seq_len);
1164 key->cipher = params->cipher;
1165
1166 switch (key->cipher) {
1167 case WLAN_CIPHER_SUITE_WEP40:
1168 case WLAN_CIPHER_SUITE_WEP104:
1169 key_type = WEP_CRYPT;
1170 break;
1171
1172 case WLAN_CIPHER_SUITE_TKIP:
1173 key_type = TKIP_CRYPT;
1174 break;
1175
1176 case WLAN_CIPHER_SUITE_CCMP:
1177 key_type = AES_CRYPT;
1178 break;
1179 case WLAN_CIPHER_SUITE_SMS4:
1180 key_type = WAPI_CRYPT;
1181 break;
1182
1183 default:
1184 return -ENOTSUPP;
1185 }
1186
1187 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1188 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1189 (key_usage & GROUP_USAGE))
1190 del_timer(&vif->disconnect_timer);
1191
1192 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1193 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1194 __func__, key_index, key->key_len, key_type,
1195 key_usage, key->seq_len);
1196
1197 if (vif->nw_type == AP_NETWORK && !pairwise &&
1198 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
1199 key_type == WAPI_CRYPT)) {
1200 ar->ap_mode_bkey.valid = true;
1201 ar->ap_mode_bkey.key_index = key_index;
1202 ar->ap_mode_bkey.key_type = key_type;
1203 ar->ap_mode_bkey.key_len = key->key_len;
1204 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
1205 if (!test_bit(CONNECTED, &vif->flags)) {
1206 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1207 "Delay initial group key configuration until AP mode has been started\n");
1208
1209
1210
1211
1212 return 0;
1213 }
1214 }
1215
1216 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
1217 !test_bit(CONNECTED, &vif->flags)) {
1218
1219
1220
1221
1222
1223 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1224 "Delay WEP key configuration until AP mode has been started\n");
1225 vif->wep_key_list[key_index].key_len = key->key_len;
1226 memcpy(vif->wep_key_list[key_index].key, key->key,
1227 key->key_len);
1228 return 0;
1229 }
1230
1231 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
1232 key_type, key_usage, key->key_len,
1233 key->seq, key->seq_len, key->key,
1234 KEY_OP_INIT_VAL,
1235 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
1236}
1237
1238static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1239 u8 key_index, bool pairwise,
1240 const u8 *mac_addr)
1241{
1242 struct ath6kl *ar = ath6kl_priv(ndev);
1243 struct ath6kl_vif *vif = netdev_priv(ndev);
1244
1245 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1246
1247 if (!ath6kl_cfg80211_ready(vif))
1248 return -EIO;
1249
1250 if (key_index > WMI_MAX_KEY_INDEX) {
1251 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1252 "%s: key index %d out of bounds\n", __func__,
1253 key_index);
1254 return -ENOENT;
1255 }
1256
1257 if (!vif->keys[key_index].key_len) {
1258 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1259 "%s: index %d is empty\n", __func__, key_index);
1260 return 0;
1261 }
1262
1263 vif->keys[key_index].key_len = 0;
1264
1265 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
1266}
1267
1268static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1269 u8 key_index, bool pairwise,
1270 const u8 *mac_addr, void *cookie,
1271 void (*callback) (void *cookie,
1272 struct key_params *))
1273{
1274 struct ath6kl_vif *vif = netdev_priv(ndev);
1275 struct ath6kl_key *key = NULL;
1276 struct key_params params;
1277
1278 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1279
1280 if (!ath6kl_cfg80211_ready(vif))
1281 return -EIO;
1282
1283 if (key_index > WMI_MAX_KEY_INDEX) {
1284 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1285 "%s: key index %d out of bounds\n", __func__,
1286 key_index);
1287 return -ENOENT;
1288 }
1289
1290 key = &vif->keys[key_index];
1291 memset(¶ms, 0, sizeof(params));
1292 params.cipher = key->cipher;
1293 params.key_len = key->key_len;
1294 params.seq_len = key->seq_len;
1295 params.seq = key->seq;
1296 params.key = key->key;
1297
1298 callback(cookie, ¶ms);
1299
1300 return key->key_len ? 0 : -ENOENT;
1301}
1302
1303static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1304 struct net_device *ndev,
1305 u8 key_index, bool unicast,
1306 bool multicast)
1307{
1308 struct ath6kl *ar = ath6kl_priv(ndev);
1309 struct ath6kl_vif *vif = netdev_priv(ndev);
1310 struct ath6kl_key *key = NULL;
1311 u8 key_usage;
1312 enum crypto_type key_type = NONE_CRYPT;
1313
1314 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1315
1316 if (!ath6kl_cfg80211_ready(vif))
1317 return -EIO;
1318
1319 if (key_index > WMI_MAX_KEY_INDEX) {
1320 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1321 "%s: key index %d out of bounds\n",
1322 __func__, key_index);
1323 return -ENOENT;
1324 }
1325
1326 if (!vif->keys[key_index].key_len) {
1327 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1328 __func__, key_index);
1329 return -EINVAL;
1330 }
1331
1332 vif->def_txkey_index = key_index;
1333 key = &vif->keys[vif->def_txkey_index];
1334 key_usage = GROUP_USAGE;
1335 if (vif->prwise_crypto == WEP_CRYPT)
1336 key_usage |= TX_USAGE;
1337 if (unicast)
1338 key_type = vif->prwise_crypto;
1339 if (multicast)
1340 key_type = vif->grp_crypto;
1341
1342 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
1343 return 0;
1344
1345 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1346 vif->def_txkey_index,
1347 key_type, key_usage,
1348 key->key_len, key->seq, key->seq_len,
1349 key->key,
1350 KEY_OP_INIT_VAL, NULL,
1351 SYNC_BOTH_WMIFLAG);
1352}
1353
1354void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
1355 bool ismcast)
1356{
1357 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1358 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1359
1360 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
1361 (ismcast ? NL80211_KEYTYPE_GROUP :
1362 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1363 GFP_KERNEL);
1364}
1365
1366static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1367{
1368 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1369 struct ath6kl_vif *vif;
1370 int ret;
1371
1372 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1373 changed);
1374
1375 vif = ath6kl_vif_first(ar);
1376 if (!vif)
1377 return -EIO;
1378
1379 if (!ath6kl_cfg80211_ready(vif))
1380 return -EIO;
1381
1382 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1383 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1384 if (ret != 0) {
1385 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1386 return -EIO;
1387 }
1388 }
1389
1390 return 0;
1391}
1392
1393static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1394 struct wireless_dev *wdev,
1395 enum nl80211_tx_power_setting type,
1396 int mbm)
1397{
1398 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1399 struct ath6kl_vif *vif;
1400 int dbm = MBM_TO_DBM(mbm);
1401
1402 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1403 type, dbm);
1404
1405 vif = ath6kl_vif_first(ar);
1406 if (!vif)
1407 return -EIO;
1408
1409 if (!ath6kl_cfg80211_ready(vif))
1410 return -EIO;
1411
1412 switch (type) {
1413 case NL80211_TX_POWER_AUTOMATIC:
1414 return 0;
1415 case NL80211_TX_POWER_LIMITED:
1416 ar->tx_pwr = dbm;
1417 break;
1418 default:
1419 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1420 __func__, type);
1421 return -EOPNOTSUPP;
1422 }
1423
1424 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
1425
1426 return 0;
1427}
1428
1429static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy,
1430 struct wireless_dev *wdev,
1431 int *dbm)
1432{
1433 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
1434 struct ath6kl_vif *vif;
1435
1436 vif = ath6kl_vif_first(ar);
1437 if (!vif)
1438 return -EIO;
1439
1440 if (!ath6kl_cfg80211_ready(vif))
1441 return -EIO;
1442
1443 if (test_bit(CONNECTED, &vif->flags)) {
1444 ar->tx_pwr = 0;
1445
1446 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
1447 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1448 return -EIO;
1449 }
1450
1451 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1452 5 * HZ);
1453
1454 if (signal_pending(current)) {
1455 ath6kl_err("target did not respond\n");
1456 return -EINTR;
1457 }
1458 }
1459
1460 *dbm = ar->tx_pwr;
1461 return 0;
1462}
1463
1464static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1465 struct net_device *dev,
1466 bool pmgmt, int timeout)
1467{
1468 struct ath6kl *ar = ath6kl_priv(dev);
1469 struct wmi_power_mode_cmd mode;
1470 struct ath6kl_vif *vif = netdev_priv(dev);
1471
1472 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1473 __func__, pmgmt, timeout);
1474
1475 if (!ath6kl_cfg80211_ready(vif))
1476 return -EIO;
1477
1478 if (pmgmt) {
1479 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
1480 mode.pwr_mode = REC_POWER;
1481 } else {
1482 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
1483 mode.pwr_mode = MAX_PERF_POWER;
1484 }
1485
1486 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
1487 mode.pwr_mode) != 0) {
1488 ath6kl_err("wmi_powermode_cmd failed\n");
1489 return -EIO;
1490 }
1491
1492 return 0;
1493}
1494
1495static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
1496 const char *name,
1497 enum nl80211_iftype type,
1498 u32 *flags,
1499 struct vif_params *params)
1500{
1501 struct ath6kl *ar = wiphy_priv(wiphy);
1502 struct wireless_dev *wdev;
1503 u8 if_idx, nw_type;
1504
1505 if (ar->num_vif == ar->vif_max) {
1506 ath6kl_err("Reached maximum number of supported vif\n");
1507 return ERR_PTR(-EINVAL);
1508 }
1509
1510 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1511 ath6kl_err("Not a supported interface type\n");
1512 return ERR_PTR(-EINVAL);
1513 }
1514
1515 wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1516 if (!wdev)
1517 return ERR_PTR(-ENOMEM);
1518
1519 ar->num_vif++;
1520
1521 return wdev;
1522}
1523
1524static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
1525 struct wireless_dev *wdev)
1526{
1527 struct ath6kl *ar = wiphy_priv(wiphy);
1528 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
1529
1530 spin_lock_bh(&ar->list_lock);
1531 list_del(&vif->list);
1532 spin_unlock_bh(&ar->list_lock);
1533
1534 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
1535
1536 rtnl_lock();
1537 ath6kl_cfg80211_vif_cleanup(vif);
1538 rtnl_unlock();
1539
1540 return 0;
1541}
1542
1543static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1544 struct net_device *ndev,
1545 enum nl80211_iftype type, u32 *flags,
1546 struct vif_params *params)
1547{
1548 struct ath6kl_vif *vif = netdev_priv(ndev);
1549 int i;
1550
1551 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1552
1553
1554
1555
1556
1557
1558 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1559 vif->ar->fw_capabilities) &&
1560 (type == NL80211_IFTYPE_P2P_CLIENT ||
1561 type == NL80211_IFTYPE_P2P_GO)) {
1562 if (vif->ar->vif_max == 1) {
1563 if (vif->fw_vif_idx != 0)
1564 return -EINVAL;
1565 else
1566 goto set_iface_type;
1567 }
1568
1569 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1570 if (i == vif->fw_vif_idx)
1571 break;
1572 }
1573
1574 if (i == vif->ar->vif_max) {
1575 ath6kl_err("Invalid interface to bring up P2P\n");
1576 return -EINVAL;
1577 }
1578 }
1579
1580
1581 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1582
1583set_iface_type:
1584 switch (type) {
1585 case NL80211_IFTYPE_STATION:
1586 case NL80211_IFTYPE_P2P_CLIENT:
1587 vif->next_mode = INFRA_NETWORK;
1588 break;
1589 case NL80211_IFTYPE_ADHOC:
1590 vif->next_mode = ADHOC_NETWORK;
1591 break;
1592 case NL80211_IFTYPE_AP:
1593 case NL80211_IFTYPE_P2P_GO:
1594 vif->next_mode = AP_NETWORK;
1595 break;
1596 default:
1597 ath6kl_err("invalid interface type %u\n", type);
1598 return -EOPNOTSUPP;
1599 }
1600
1601 vif->wdev.iftype = type;
1602
1603 return 0;
1604}
1605
1606static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1607 struct net_device *dev,
1608 struct cfg80211_ibss_params *ibss_param)
1609{
1610 struct ath6kl *ar = ath6kl_priv(dev);
1611 struct ath6kl_vif *vif = netdev_priv(dev);
1612 int status;
1613
1614 if (!ath6kl_cfg80211_ready(vif))
1615 return -EIO;
1616
1617 vif->ssid_len = ibss_param->ssid_len;
1618 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
1619
1620 if (ibss_param->chandef.chan)
1621 vif->ch_hint = ibss_param->chandef.chan->center_freq;
1622
1623 if (ibss_param->channel_fixed) {
1624
1625
1626
1627
1628
1629
1630 return -EOPNOTSUPP;
1631 }
1632
1633 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
1634 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
1635 memcpy(vif->req_bssid, ibss_param->bssid,
1636 sizeof(vif->req_bssid));
1637
1638 ath6kl_set_wpa_version(vif, 0);
1639
1640 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
1641 if (status)
1642 return status;
1643
1644 if (ibss_param->privacy) {
1645 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1646 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
1647 } else {
1648 ath6kl_set_cipher(vif, 0, true);
1649 ath6kl_set_cipher(vif, 0, false);
1650 }
1651
1652 vif->nw_type = vif->next_mode;
1653
1654 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1655 "%s: connect called with authmode %d dot11 auth %d"
1656 " PW crypto %d PW crypto len %d GRP crypto %d"
1657 " GRP crypto len %d channel hint %u\n",
1658 __func__,
1659 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1660 vif->prwise_crypto_len, vif->grp_crypto,
1661 vif->grp_crypto_len, vif->ch_hint);
1662
1663 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
1664 vif->dot11_auth_mode, vif->auth_mode,
1665 vif->prwise_crypto,
1666 vif->prwise_crypto_len,
1667 vif->grp_crypto, vif->grp_crypto_len,
1668 vif->ssid_len, vif->ssid,
1669 vif->req_bssid, vif->ch_hint,
1670 ar->connect_ctrl_flags, SUBTYPE_NONE);
1671 set_bit(CONNECT_PEND, &vif->flags);
1672
1673 return 0;
1674}
1675
1676static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1677 struct net_device *dev)
1678{
1679 struct ath6kl_vif *vif = netdev_priv(dev);
1680
1681 if (!ath6kl_cfg80211_ready(vif))
1682 return -EIO;
1683
1684 ath6kl_disconnect(vif);
1685 memset(vif->ssid, 0, sizeof(vif->ssid));
1686 vif->ssid_len = 0;
1687
1688 return 0;
1689}
1690
1691static const u32 cipher_suites[] = {
1692 WLAN_CIPHER_SUITE_WEP40,
1693 WLAN_CIPHER_SUITE_WEP104,
1694 WLAN_CIPHER_SUITE_TKIP,
1695 WLAN_CIPHER_SUITE_CCMP,
1696 CCKM_KRK_CIPHER_SUITE,
1697 WLAN_CIPHER_SUITE_SMS4,
1698};
1699
1700static bool is_rate_legacy(s32 rate)
1701{
1702 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1703 6000, 9000, 12000, 18000, 24000,
1704 36000, 48000, 54000
1705 };
1706 u8 i;
1707
1708 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1709 if (rate == legacy[i])
1710 return true;
1711
1712 return false;
1713}
1714
1715static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1716{
1717 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1718 52000, 58500, 65000, 72200
1719 };
1720 u8 i;
1721
1722 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1723 if (rate == ht20[i]) {
1724 if (i == ARRAY_SIZE(ht20) - 1)
1725
1726 *sgi = true;
1727 else
1728 *sgi = false;
1729
1730 *mcs = i;
1731 return true;
1732 }
1733 }
1734 return false;
1735}
1736
1737static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1738{
1739 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1740 81000, 108000, 121500, 135000,
1741 150000
1742 };
1743 u8 i;
1744
1745 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1746 if (rate == ht40[i]) {
1747 if (i == ARRAY_SIZE(ht40) - 1)
1748
1749 *sgi = true;
1750 else
1751 *sgi = false;
1752
1753 *mcs = i;
1754 return true;
1755 }
1756 }
1757
1758 return false;
1759}
1760
1761static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
1762 const u8 *mac, struct station_info *sinfo)
1763{
1764 struct ath6kl *ar = ath6kl_priv(dev);
1765 struct ath6kl_vif *vif = netdev_priv(dev);
1766 long left;
1767 bool sgi;
1768 s32 rate;
1769 int ret;
1770 u8 mcs;
1771
1772 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
1773 return -ENOENT;
1774
1775 if (down_interruptible(&ar->sem))
1776 return -EBUSY;
1777
1778 set_bit(STATS_UPDATE_PEND, &vif->flags);
1779
1780 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
1781
1782 if (ret != 0) {
1783 up(&ar->sem);
1784 return -EIO;
1785 }
1786
1787 left = wait_event_interruptible_timeout(ar->event_wq,
1788 !test_bit(STATS_UPDATE_PEND,
1789 &vif->flags),
1790 WMI_TIMEOUT);
1791
1792 up(&ar->sem);
1793
1794 if (left == 0)
1795 return -ETIMEDOUT;
1796 else if (left < 0)
1797 return left;
1798
1799 if (vif->target_stats.rx_byte) {
1800 sinfo->rx_bytes = vif->target_stats.rx_byte;
1801 sinfo->filled |= STATION_INFO_RX_BYTES64;
1802 sinfo->rx_packets = vif->target_stats.rx_pkt;
1803 sinfo->filled |= STATION_INFO_RX_PACKETS;
1804 }
1805
1806 if (vif->target_stats.tx_byte) {
1807 sinfo->tx_bytes = vif->target_stats.tx_byte;
1808 sinfo->filled |= STATION_INFO_TX_BYTES64;
1809 sinfo->tx_packets = vif->target_stats.tx_pkt;
1810 sinfo->filled |= STATION_INFO_TX_PACKETS;
1811 }
1812
1813 sinfo->signal = vif->target_stats.cs_rssi;
1814 sinfo->filled |= STATION_INFO_SIGNAL;
1815
1816 rate = vif->target_stats.tx_ucast_rate;
1817
1818 if (is_rate_legacy(rate)) {
1819 sinfo->txrate.legacy = rate / 100;
1820 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1821 if (sgi) {
1822 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1823 sinfo->txrate.mcs = mcs - 1;
1824 } else {
1825 sinfo->txrate.mcs = mcs;
1826 }
1827
1828 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1829 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1830 if (sgi) {
1831 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1832 sinfo->txrate.mcs = mcs - 1;
1833 } else {
1834 sinfo->txrate.mcs = mcs;
1835 }
1836
1837 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
1838 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1839 } else {
1840 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1841 "invalid rate from stats: %d\n", rate);
1842 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
1843 return 0;
1844 }
1845
1846 sinfo->filled |= STATION_INFO_TX_BITRATE;
1847
1848 if (test_bit(CONNECTED, &vif->flags) &&
1849 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
1850 vif->nw_type == INFRA_NETWORK) {
1851 sinfo->filled |= STATION_INFO_BSS_PARAM;
1852 sinfo->bss_param.flags = 0;
1853 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1854 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
1855 }
1856
1857 return 0;
1858}
1859
1860static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1861 struct cfg80211_pmksa *pmksa)
1862{
1863 struct ath6kl *ar = ath6kl_priv(netdev);
1864 struct ath6kl_vif *vif = netdev_priv(netdev);
1865
1866 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1867 pmksa->pmkid, true);
1868}
1869
1870static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1871 struct cfg80211_pmksa *pmksa)
1872{
1873 struct ath6kl *ar = ath6kl_priv(netdev);
1874 struct ath6kl_vif *vif = netdev_priv(netdev);
1875
1876 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
1877 pmksa->pmkid, false);
1878}
1879
1880static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1881{
1882 struct ath6kl *ar = ath6kl_priv(netdev);
1883 struct ath6kl_vif *vif = netdev_priv(netdev);
1884
1885 if (test_bit(CONNECTED, &vif->flags))
1886 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1887 vif->bssid, NULL, false);
1888 return 0;
1889}
1890
1891static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1892 struct cfg80211_wowlan *wow, u32 *filter)
1893{
1894 int ret, pos;
1895 u8 mask[WOW_PATTERN_SIZE];
1896 u16 i;
1897
1898
1899 for (i = 0; i < wow->n_patterns; i++) {
1900
1901
1902
1903
1904
1905
1906
1907
1908 memset(&mask, 0, sizeof(mask));
1909 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1910 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1911 mask[pos] = 0xFF;
1912 }
1913
1914
1915
1916
1917
1918
1919 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1920 vif->fw_vif_idx, WOW_LIST_ID,
1921 wow->patterns[i].pattern_len,
1922 0 ,
1923 wow->patterns[i].pattern, mask);
1924 if (ret)
1925 return ret;
1926 }
1927
1928 if (wow->disconnect)
1929 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1930
1931 if (wow->magic_pkt)
1932 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1933
1934 if (wow->gtk_rekey_failure)
1935 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1936
1937 if (wow->eap_identity_req)
1938 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1939
1940 if (wow->four_way_handshake)
1941 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1942
1943 return 0;
1944}
1945
1946static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1947{
1948 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1949 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1950 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1951 0x00, 0x08 };
1952 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1953 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1954 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1955 0x00, 0x7f };
1956 u8 unicst_offset = 0;
1957 static const u8 arp_pattern[] = { 0x08, 0x06 };
1958 static const u8 arp_mask[] = { 0xff, 0xff };
1959 u8 arp_offset = 20;
1960 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1961 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1962 u8 discvr_offset = 38;
1963 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1964 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1965 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1966 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1967 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1968 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 };
1969 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1970 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1971 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1972 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1973 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1974 0x00, 0x00, 0x00, 0x00, 0xff, 0xff };
1975 u8 dhcp_offset = 0;
1976 int ret;
1977
1978
1979 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1980 vif->fw_vif_idx, WOW_LIST_ID,
1981 sizeof(unicst_pattern), unicst_offset,
1982 unicst_pattern, unicst_mask);
1983 if (ret) {
1984 ath6kl_err("failed to add WOW unicast IP pattern\n");
1985 return ret;
1986 }
1987
1988
1989 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1990 vif->fw_vif_idx, WOW_LIST_ID,
1991 sizeof(arp_pattern), arp_offset,
1992 arp_pattern, arp_mask);
1993 if (ret) {
1994 ath6kl_err("failed to add WOW ARP pattern\n");
1995 return ret;
1996 }
1997
1998
1999
2000
2001
2002 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2003 vif->fw_vif_idx, WOW_LIST_ID,
2004 sizeof(discvr_pattern), discvr_offset,
2005 discvr_pattern, discvr_mask);
2006 if (ret) {
2007 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2008 return ret;
2009 }
2010
2011
2012 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2013 vif->fw_vif_idx, WOW_LIST_ID,
2014 sizeof(dhcp_pattern), dhcp_offset,
2015 dhcp_pattern, dhcp_mask);
2016 if (ret) {
2017 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2018 return ret;
2019 }
2020
2021 return 0;
2022}
2023
2024static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2025{
2026 struct net_device *ndev = vif->ndev;
2027 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2028 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2029 u8 discvr_offset = 38;
2030 u8 mac_mask[ETH_ALEN];
2031 int ret;
2032
2033
2034 memset(mac_mask, 0xff, ETH_ALEN);
2035 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2036 vif->fw_vif_idx, WOW_LIST_ID,
2037 ETH_ALEN, 0, ndev->dev_addr,
2038 mac_mask);
2039 if (ret) {
2040 ath6kl_err("failed to add WOW unicast pattern\n");
2041 return ret;
2042 }
2043
2044
2045
2046
2047
2048 if ((ndev->flags & IFF_ALLMULTI) ||
2049 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2050 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2051 vif->fw_vif_idx, WOW_LIST_ID,
2052 sizeof(discvr_pattern), discvr_offset,
2053 discvr_pattern, discvr_mask);
2054 if (ret) {
2055 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2056 return ret;
2057 }
2058 }
2059
2060 return 0;
2061}
2062
2063static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2064{
2065 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2066}
2067
2068static bool is_ctrl_ep_empty(struct ath6kl *ar)
2069{
2070 return !ar->tx_pending[ar->ctrl_ep];
2071}
2072
2073static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2074{
2075 int ret, left;
2076
2077 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2078
2079 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2080 ATH6KL_HOST_MODE_ASLEEP);
2081 if (ret)
2082 return ret;
2083
2084 left = wait_event_interruptible_timeout(ar->event_wq,
2085 is_hsleep_mode_procsed(vif),
2086 WMI_TIMEOUT);
2087 if (left == 0) {
2088 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2089 ret = -ETIMEDOUT;
2090 } else if (left < 0) {
2091 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2092 left);
2093 ret = left;
2094 }
2095
2096 if (ar->tx_pending[ar->ctrl_ep]) {
2097 left = wait_event_interruptible_timeout(ar->event_wq,
2098 is_ctrl_ep_empty(ar),
2099 WMI_TIMEOUT);
2100 if (left == 0) {
2101 ath6kl_warn("clear wmi ctrl data timeout\n");
2102 ret = -ETIMEDOUT;
2103 } else if (left < 0) {
2104 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2105 ret = left;
2106 }
2107 }
2108
2109 return ret;
2110}
2111
2112static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2113 struct cfg80211_wowlan *wow, u32 *filter)
2114{
2115 struct ath6kl *ar = vif->ar;
2116 struct in_device *in_dev;
2117 struct in_ifaddr *ifa;
2118 int ret;
2119 u16 i, bmiss_time;
2120 __be32 ips[MAX_IP_ADDRS];
2121 u8 index = 0;
2122
2123 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2124 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2125 ar->fw_capabilities)) {
2126 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2127 vif->fw_vif_idx, false);
2128 if (ret)
2129 return ret;
2130 }
2131
2132
2133 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2134 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2135 WOW_LIST_ID, i);
2136
2137
2138
2139
2140
2141
2142 if (wow)
2143 ret = ath6kl_wow_usr(ar, vif, wow, filter);
2144 else if (vif->nw_type == AP_NETWORK)
2145 ret = ath6kl_wow_ap(ar, vif);
2146 else
2147 ret = ath6kl_wow_sta(ar, vif);
2148
2149 if (ret)
2150 return ret;
2151
2152 netif_stop_queue(vif->ndev);
2153
2154 if (vif->nw_type != AP_NETWORK) {
2155 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2156 ATH6KL_MAX_WOW_LISTEN_INTL,
2157 0);
2158 if (ret)
2159 return ret;
2160
2161
2162 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2163 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2164 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2165
2166 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2167 bmiss_time, 0);
2168 if (ret)
2169 return ret;
2170
2171 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2172 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2173 0, 0, 0, 0);
2174 if (ret)
2175 return ret;
2176 }
2177
2178
2179 in_dev = __in_dev_get_rtnl(vif->ndev);
2180 if (!in_dev)
2181 return 0;
2182
2183 ifa = in_dev->ifa_list;
2184 memset(&ips, 0, sizeof(ips));
2185
2186
2187 while (index < MAX_IP_ADDRS && ifa) {
2188 ips[index] = ifa->ifa_local;
2189 ifa = ifa->ifa_next;
2190 index++;
2191 }
2192
2193 if (ifa) {
2194 ath6kl_err("total IP addr count is exceeding fw limit\n");
2195 return -EINVAL;
2196 }
2197
2198 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2199 if (ret) {
2200 ath6kl_err("fail to setup ip for arp agent\n");
2201 return ret;
2202 }
2203
2204 return ret;
2205}
2206
2207static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2208{
2209 struct ath6kl_vif *first_vif, *vif;
2210 int ret = 0;
2211 u32 filter = 0;
2212 bool connected = false;
2213
2214
2215 first_vif = ath6kl_vif_first(ar);
2216 if (WARN_ON(unlikely(!first_vif)) ||
2217 !ath6kl_cfg80211_ready(first_vif))
2218 return -EIO;
2219
2220 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2221 return -EINVAL;
2222
2223
2224 spin_lock_bh(&ar->list_lock);
2225 list_for_each_entry(vif, &ar->vif_list, list) {
2226 if (!test_bit(CONNECTED, &vif->flags) ||
2227 !ath6kl_cfg80211_ready(vif))
2228 continue;
2229 connected = true;
2230
2231 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2232 if (ret)
2233 break;
2234 }
2235 spin_unlock_bh(&ar->list_lock);
2236
2237 if (!connected)
2238 return -ENOTCONN;
2239 else if (ret)
2240 return ret;
2241
2242 ar->state = ATH6KL_STATE_SUSPENDING;
2243
2244 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
2245 ATH6KL_WOW_MODE_ENABLE,
2246 filter,
2247 WOW_HOST_REQ_DELAY);
2248 if (ret)
2249 return ret;
2250
2251 return ath6kl_cfg80211_host_sleep(ar, first_vif);
2252}
2253
2254static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
2255{
2256 struct ath6kl *ar = vif->ar;
2257 int ret;
2258
2259 if (vif->nw_type != AP_NETWORK) {
2260 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2261 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2262 if (ret)
2263 return ret;
2264
2265 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2266 vif->listen_intvl_t, 0);
2267 if (ret)
2268 return ret;
2269
2270 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2271 vif->bmiss_time_t, 0);
2272 if (ret)
2273 return ret;
2274 }
2275
2276 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2277 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2278 ar->fw_capabilities)) {
2279 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2280 vif->fw_vif_idx, true);
2281 if (ret)
2282 return ret;
2283 }
2284
2285 netif_wake_queue(vif->ndev);
2286
2287 return 0;
2288}
2289
2290static int ath6kl_wow_resume(struct ath6kl *ar)
2291{
2292 struct ath6kl_vif *vif;
2293 int ret;
2294
2295 vif = ath6kl_vif_first(ar);
2296 if (WARN_ON(unlikely(!vif)) ||
2297 !ath6kl_cfg80211_ready(vif))
2298 return -EIO;
2299
2300 ar->state = ATH6KL_STATE_RESUMING;
2301
2302 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2303 ATH6KL_HOST_MODE_AWAKE);
2304 if (ret) {
2305 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2306 ret);
2307 goto cleanup;
2308 }
2309
2310 spin_lock_bh(&ar->list_lock);
2311 list_for_each_entry(vif, &ar->vif_list, list) {
2312 if (!test_bit(CONNECTED, &vif->flags) ||
2313 !ath6kl_cfg80211_ready(vif))
2314 continue;
2315 ret = ath6kl_wow_resume_vif(vif);
2316 if (ret)
2317 break;
2318 }
2319 spin_unlock_bh(&ar->list_lock);
2320
2321 if (ret)
2322 goto cleanup;
2323
2324 ar->state = ATH6KL_STATE_ON;
2325 return 0;
2326
2327cleanup:
2328 ar->state = ATH6KL_STATE_WOW;
2329 return ret;
2330}
2331
2332static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2333{
2334 struct ath6kl_vif *vif;
2335 int ret;
2336
2337 vif = ath6kl_vif_first(ar);
2338 if (!vif)
2339 return -EIO;
2340
2341 if (!test_bit(WMI_READY, &ar->flag)) {
2342 ath6kl_err("deepsleep failed as wmi is not ready\n");
2343 return -EIO;
2344 }
2345
2346 ath6kl_cfg80211_stop_all(ar);
2347
2348
2349 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2350
2351 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2352 if (ret)
2353 return ret;
2354
2355
2356 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2357 ATH6KL_WOW_MODE_DISABLE,
2358 0, 0);
2359 if (ret)
2360 return ret;
2361
2362
2363 ath6kl_tx_data_cleanup(ar);
2364
2365 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2366 if (ret)
2367 return ret;
2368
2369 return 0;
2370}
2371
2372static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2373{
2374 struct ath6kl_vif *vif;
2375 int ret;
2376
2377 vif = ath6kl_vif_first(ar);
2378
2379 if (!vif)
2380 return -EIO;
2381
2382 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2383 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2384 ar->wmi->saved_pwr_mode);
2385 if (ret)
2386 return ret;
2387 }
2388
2389 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2390 ATH6KL_HOST_MODE_AWAKE);
2391 if (ret)
2392 return ret;
2393
2394 ar->state = ATH6KL_STATE_ON;
2395
2396
2397 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2398 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2399 if (ret)
2400 return ret;
2401
2402 return 0;
2403}
2404
2405int ath6kl_cfg80211_suspend(struct ath6kl *ar,
2406 enum ath6kl_cfg_suspend_mode mode,
2407 struct cfg80211_wowlan *wow)
2408{
2409 struct ath6kl_vif *vif;
2410 enum ath6kl_state prev_state;
2411 int ret;
2412
2413 switch (mode) {
2414 case ATH6KL_CFG_SUSPEND_WOW:
2415
2416 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2417
2418
2419 ath6kl_tx_data_cleanup(ar);
2420
2421 prev_state = ar->state;
2422
2423 ret = ath6kl_wow_suspend(ar, wow);
2424 if (ret) {
2425 ar->state = prev_state;
2426 return ret;
2427 }
2428
2429 ar->state = ATH6KL_STATE_WOW;
2430 break;
2431
2432 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
2433
2434 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
2435
2436 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
2437 if (ret) {
2438 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2439 return ret;
2440 }
2441
2442 ar->state = ATH6KL_STATE_DEEPSLEEP;
2443
2444 break;
2445
2446 case ATH6KL_CFG_SUSPEND_CUTPOWER:
2447
2448 ath6kl_cfg80211_stop_all(ar);
2449
2450 if (ar->state == ATH6KL_STATE_OFF) {
2451 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2452 "suspend hw off, no action for cutpower\n");
2453 break;
2454 }
2455
2456 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2457
2458 ret = ath6kl_init_hw_stop(ar);
2459 if (ret) {
2460 ath6kl_warn("failed to stop hw during suspend: %d\n",
2461 ret);
2462 }
2463
2464 ar->state = ATH6KL_STATE_CUTPOWER;
2465
2466 break;
2467
2468 default:
2469 break;
2470 }
2471
2472 list_for_each_entry(vif, &ar->vif_list, list)
2473 ath6kl_cfg80211_scan_complete_event(vif, true);
2474
2475 return 0;
2476}
2477EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
2478
2479int ath6kl_cfg80211_resume(struct ath6kl *ar)
2480{
2481 int ret;
2482
2483 switch (ar->state) {
2484 case ATH6KL_STATE_WOW:
2485 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2486
2487 ret = ath6kl_wow_resume(ar);
2488 if (ret) {
2489 ath6kl_warn("wow mode resume failed: %d\n", ret);
2490 return ret;
2491 }
2492
2493 break;
2494
2495 case ATH6KL_STATE_DEEPSLEEP:
2496 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
2497
2498 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2499 if (ret) {
2500 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2501 return ret;
2502 }
2503 break;
2504
2505 case ATH6KL_STATE_CUTPOWER:
2506 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2507
2508 ret = ath6kl_init_hw_start(ar);
2509 if (ret) {
2510 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2511 return ret;
2512 }
2513 break;
2514
2515 default:
2516 break;
2517 }
2518
2519 return 0;
2520}
2521EXPORT_SYMBOL(ath6kl_cfg80211_resume);
2522
2523#ifdef CONFIG_PM
2524
2525
2526static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
2527 struct cfg80211_wowlan *wow)
2528{
2529 struct ath6kl *ar = wiphy_priv(wiphy);
2530
2531 ath6kl_recovery_suspend(ar);
2532
2533 return ath6kl_hif_suspend(ar, wow);
2534}
2535
2536static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
2537{
2538 struct ath6kl *ar = wiphy_priv(wiphy);
2539 int err;
2540
2541 err = ath6kl_hif_resume(ar);
2542 if (err)
2543 return err;
2544
2545 ath6kl_recovery_resume(ar);
2546
2547 return 0;
2548}
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566void ath6kl_check_wow_status(struct ath6kl *ar)
2567{
2568 if (ar->state == ATH6KL_STATE_SUSPENDING)
2569 return;
2570
2571 if (ar->state == ATH6KL_STATE_WOW)
2572 ath6kl_cfg80211_resume(ar);
2573}
2574
2575#else
2576
2577void ath6kl_check_wow_status(struct ath6kl *ar)
2578{
2579}
2580#endif
2581
2582static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2583 bool ht_enable)
2584{
2585 struct ath6kl_htcap *htcap = &vif->htcap[band];
2586
2587 if (htcap->ht_enable == ht_enable)
2588 return 0;
2589
2590 if (ht_enable) {
2591
2592 htcap->ht_enable = true;
2593 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2594 ath6kl_g_htcap : ath6kl_a_htcap;
2595 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2596 } else
2597 memset(htcap, 0, sizeof(*htcap));
2598
2599 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2600 band, htcap);
2601}
2602
2603static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2604{
2605 struct wiphy *wiphy = vif->ar->wiphy;
2606 int band, ret = 0;
2607
2608 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2609 if (!wiphy->bands[band])
2610 continue;
2611
2612 ret = ath6kl_set_htcap(vif, band,
2613 wiphy->bands[band]->ht_cap.ht_supported);
2614 if (ret)
2615 return ret;
2616 }
2617
2618 return ret;
2619}
2620
2621static bool ath6kl_is_p2p_ie(const u8 *pos)
2622{
2623 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2624 pos[2] == 0x50 && pos[3] == 0x6f &&
2625 pos[4] == 0x9a && pos[5] == 0x09;
2626}
2627
2628static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2629 const u8 *ies, size_t ies_len)
2630{
2631 struct ath6kl *ar = vif->ar;
2632 const u8 *pos;
2633 u8 *buf = NULL;
2634 size_t len = 0;
2635 int ret;
2636
2637
2638
2639
2640
2641
2642 if (ies && ies_len) {
2643 buf = kmalloc(ies_len, GFP_KERNEL);
2644 if (buf == NULL)
2645 return -ENOMEM;
2646 pos = ies;
2647 while (pos + 1 < ies + ies_len) {
2648 if (pos + 2 + pos[1] > ies + ies_len)
2649 break;
2650 if (!ath6kl_is_p2p_ie(pos)) {
2651 memcpy(buf + len, pos, 2 + pos[1]);
2652 len += 2 + pos[1];
2653 }
2654 pos += 2 + pos[1];
2655 }
2656 }
2657
2658 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2659 WMI_FRAME_PROBE_RESP, buf, len);
2660 kfree(buf);
2661 return ret;
2662}
2663
2664static int ath6kl_set_ies(struct ath6kl_vif *vif,
2665 struct cfg80211_beacon_data *info)
2666{
2667 struct ath6kl *ar = vif->ar;
2668 int res;
2669
2670
2671 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2672 WMI_FRAME_BEACON,
2673 info->beacon_ies,
2674 info->beacon_ies_len);
2675 if (res)
2676 return res;
2677
2678
2679 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2680 info->proberesp_ies_len);
2681 if (res)
2682 return res;
2683
2684
2685 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2686 WMI_FRAME_ASSOC_RESP,
2687 info->assocresp_ies,
2688 info->assocresp_ies_len);
2689 if (res)
2690 return res;
2691
2692 return 0;
2693}
2694
2695static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2696 u8 *rsn_capab)
2697{
2698 const u8 *rsn_ie;
2699 size_t rsn_ie_len;
2700 u16 cnt;
2701
2702 if (!beacon->tail)
2703 return -EINVAL;
2704
2705 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2706 if (!rsn_ie)
2707 return -EINVAL;
2708
2709 rsn_ie_len = *(rsn_ie + 1);
2710
2711 rsn_ie += 2;
2712
2713
2714 if (rsn_ie_len < 2)
2715 return -EINVAL;
2716 rsn_ie += 2;
2717 rsn_ie_len -= 2;
2718
2719
2720 if (rsn_ie_len < 4)
2721 return 0;
2722 rsn_ie += 4;
2723 rsn_ie_len -= 4;
2724
2725
2726 if (rsn_ie_len < 2)
2727 return 0;
2728 cnt = get_unaligned_le16(rsn_ie);
2729 rsn_ie += (2 + cnt * 4);
2730 rsn_ie_len -= (2 + cnt * 4);
2731
2732
2733 if (rsn_ie_len < 2)
2734 return 0;
2735 cnt = get_unaligned_le16(rsn_ie);
2736 rsn_ie += (2 + cnt * 4);
2737 rsn_ie_len -= (2 + cnt * 4);
2738
2739 if (rsn_ie_len < 2)
2740 return 0;
2741
2742 memcpy(rsn_capab, rsn_ie, 2);
2743
2744 return 0;
2745}
2746
2747static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2748 struct cfg80211_ap_settings *info)
2749{
2750 struct ath6kl *ar = ath6kl_priv(dev);
2751 struct ath6kl_vif *vif = netdev_priv(dev);
2752 struct ieee80211_mgmt *mgmt;
2753 bool hidden = false;
2754 u8 *ies;
2755 int ies_len;
2756 struct wmi_connect_cmd p;
2757 int res;
2758 int i, ret;
2759 u16 rsn_capab = 0;
2760 int inactivity_timeout = 0;
2761
2762 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
2763
2764 if (!ath6kl_cfg80211_ready(vif))
2765 return -EIO;
2766
2767 if (vif->next_mode != AP_NETWORK)
2768 return -EOPNOTSUPP;
2769
2770 res = ath6kl_set_ies(vif, &info->beacon);
2771
2772 ar->ap_mode_bkey.valid = false;
2773
2774 ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx,
2775 info->beacon_interval);
2776
2777 if (ret)
2778 ath6kl_warn("Failed to set beacon interval: %d\n", ret);
2779
2780 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2781 info->dtim_period);
2782
2783
2784 if (ret)
2785 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2786
2787 if (info->beacon.head == NULL)
2788 return -EINVAL;
2789 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
2790 ies = mgmt->u.beacon.variable;
2791 if (ies > info->beacon.head + info->beacon.head_len)
2792 return -EINVAL;
2793 ies_len = info->beacon.head + info->beacon.head_len - ies;
2794
2795 if (info->ssid == NULL)
2796 return -EINVAL;
2797 memcpy(vif->ssid, info->ssid, info->ssid_len);
2798 vif->ssid_len = info->ssid_len;
2799 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
2800 hidden = true;
2801
2802 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2803 if (res)
2804 return res;
2805
2806 ret = ath6kl_set_auth_type(vif, info->auth_type);
2807 if (ret)
2808 return ret;
2809
2810 memset(&p, 0, sizeof(p));
2811
2812 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2813 switch (info->crypto.akm_suites[i]) {
2814 case WLAN_AKM_SUITE_8021X:
2815 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2816 p.auth_mode |= WPA_AUTH;
2817 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2818 p.auth_mode |= WPA2_AUTH;
2819 break;
2820 case WLAN_AKM_SUITE_PSK:
2821 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2822 p.auth_mode |= WPA_PSK_AUTH;
2823 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2824 p.auth_mode |= WPA2_PSK_AUTH;
2825 break;
2826 }
2827 }
2828 if (p.auth_mode == 0)
2829 p.auth_mode = NONE_AUTH;
2830 vif->auth_mode = p.auth_mode;
2831
2832 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2833 switch (info->crypto.ciphers_pairwise[i]) {
2834 case WLAN_CIPHER_SUITE_WEP40:
2835 case WLAN_CIPHER_SUITE_WEP104:
2836 p.prwise_crypto_type |= WEP_CRYPT;
2837 break;
2838 case WLAN_CIPHER_SUITE_TKIP:
2839 p.prwise_crypto_type |= TKIP_CRYPT;
2840 break;
2841 case WLAN_CIPHER_SUITE_CCMP:
2842 p.prwise_crypto_type |= AES_CRYPT;
2843 break;
2844 case WLAN_CIPHER_SUITE_SMS4:
2845 p.prwise_crypto_type |= WAPI_CRYPT;
2846 break;
2847 }
2848 }
2849 if (p.prwise_crypto_type == 0) {
2850 p.prwise_crypto_type = NONE_CRYPT;
2851 ath6kl_set_cipher(vif, 0, true);
2852 } else if (info->crypto.n_ciphers_pairwise == 1) {
2853 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
2854 }
2855
2856 switch (info->crypto.cipher_group) {
2857 case WLAN_CIPHER_SUITE_WEP40:
2858 case WLAN_CIPHER_SUITE_WEP104:
2859 p.grp_crypto_type = WEP_CRYPT;
2860 break;
2861 case WLAN_CIPHER_SUITE_TKIP:
2862 p.grp_crypto_type = TKIP_CRYPT;
2863 break;
2864 case WLAN_CIPHER_SUITE_CCMP:
2865 p.grp_crypto_type = AES_CRYPT;
2866 break;
2867 case WLAN_CIPHER_SUITE_SMS4:
2868 p.grp_crypto_type = WAPI_CRYPT;
2869 break;
2870 default:
2871 p.grp_crypto_type = NONE_CRYPT;
2872 break;
2873 }
2874 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
2875
2876 p.nw_type = AP_NETWORK;
2877 vif->nw_type = vif->next_mode;
2878
2879 p.ssid_len = vif->ssid_len;
2880 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2881 p.dot11_auth_mode = vif->dot11_auth_mode;
2882 p.ch = cpu_to_le16(info->chandef.chan->center_freq);
2883
2884
2885 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2886 if (res < 0)
2887 return res;
2888
2889 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2890 p.nw_subtype = SUBTYPE_P2PGO;
2891 } else {
2892
2893
2894
2895
2896 p.nw_subtype = SUBTYPE_NONE;
2897 }
2898
2899 if (info->inactivity_timeout) {
2900 inactivity_timeout = info->inactivity_timeout;
2901
2902 if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS)
2903 inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
2904 60);
2905
2906 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
2907 inactivity_timeout);
2908 if (res < 0)
2909 return res;
2910 }
2911
2912 if (ath6kl_set_htcap(vif, info->chandef.chan->band,
2913 cfg80211_get_chandef_type(&info->chandef)
2914 != NL80211_CHAN_NO_HT))
2915 return -EIO;
2916
2917
2918
2919
2920
2921
2922
2923 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2924 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2925 ar->fw_capabilities)) {
2926 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2927 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2928 (const u8 *) &rsn_capab,
2929 sizeof(rsn_capab));
2930 vif->rsn_capab = rsn_capab;
2931 if (res < 0)
2932 return res;
2933 }
2934
2935 memcpy(&vif->profile, &p, sizeof(p));
2936 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
2937 if (res < 0)
2938 return res;
2939
2940 return 0;
2941}
2942
2943static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2944 struct cfg80211_beacon_data *beacon)
2945{
2946 struct ath6kl_vif *vif = netdev_priv(dev);
2947
2948 if (!ath6kl_cfg80211_ready(vif))
2949 return -EIO;
2950
2951 if (vif->next_mode != AP_NETWORK)
2952 return -EOPNOTSUPP;
2953
2954 return ath6kl_set_ies(vif, beacon);
2955}
2956
2957static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
2958{
2959 struct ath6kl *ar = ath6kl_priv(dev);
2960 struct ath6kl_vif *vif = netdev_priv(dev);
2961
2962 if (vif->nw_type != AP_NETWORK)
2963 return -EOPNOTSUPP;
2964 if (!test_bit(CONNECTED, &vif->flags))
2965 return -ENOTCONN;
2966
2967 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
2968 clear_bit(CONNECTED, &vif->flags);
2969
2970
2971 return ath6kl_restore_htcap(vif);
2972}
2973
2974static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2975
2976static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2977 const u8 *mac)
2978{
2979 struct ath6kl *ar = ath6kl_priv(dev);
2980 struct ath6kl_vif *vif = netdev_priv(dev);
2981 const u8 *addr = mac ? mac : bcast_addr;
2982
2983 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2984 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2985}
2986
2987static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
2988 const u8 *mac,
2989 struct station_parameters *params)
2990{
2991 struct ath6kl *ar = ath6kl_priv(dev);
2992 struct ath6kl_vif *vif = netdev_priv(dev);
2993 int err;
2994
2995 if (vif->nw_type != AP_NETWORK)
2996 return -EOPNOTSUPP;
2997
2998 err = cfg80211_check_station_change(wiphy, params,
2999 CFG80211_STA_AP_MLME_CLIENT);
3000 if (err)
3001 return err;
3002
3003 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
3004 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3005 WMI_AP_MLME_AUTHORIZE, mac, 0);
3006 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3007 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
3008}
3009
3010static int ath6kl_remain_on_channel(struct wiphy *wiphy,
3011 struct wireless_dev *wdev,
3012 struct ieee80211_channel *chan,
3013 unsigned int duration,
3014 u64 *cookie)
3015{
3016 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3017 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3018 u32 id;
3019
3020
3021
3022 id = ++vif->last_roc_id;
3023 if (id == 0) {
3024
3025 id = ++vif->last_roc_id;
3026 }
3027 *cookie = id;
3028
3029 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3030 chan->center_freq, duration);
3031}
3032
3033static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
3034 struct wireless_dev *wdev,
3035 u64 cookie)
3036{
3037 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3038 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3039
3040 if (cookie != vif->last_roc_id)
3041 return -ENOENT;
3042 vif->last_cancel_roc_id = cookie;
3043
3044 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
3045}
3046
3047static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3048 const u8 *buf, size_t len,
3049 unsigned int freq)
3050{
3051 struct ath6kl *ar = vif->ar;
3052 const u8 *pos;
3053 u8 *p2p;
3054 int p2p_len;
3055 int ret;
3056 const struct ieee80211_mgmt *mgmt;
3057
3058 mgmt = (const struct ieee80211_mgmt *) buf;
3059
3060
3061
3062 p2p = kmalloc(len, GFP_KERNEL);
3063 if (p2p == NULL)
3064 return -ENOMEM;
3065 p2p_len = 0;
3066
3067 pos = mgmt->u.probe_resp.variable;
3068 while (pos + 1 < buf + len) {
3069 if (pos + 2 + pos[1] > buf + len)
3070 break;
3071 if (ath6kl_is_p2p_ie(pos)) {
3072 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3073 p2p_len += 2 + pos[1];
3074 }
3075 pos += 2 + pos[1];
3076 }
3077
3078 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3079 mgmt->da, p2p, p2p_len);
3080 kfree(p2p);
3081 return ret;
3082}
3083
3084static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3085 u32 id,
3086 u32 freq,
3087 u32 wait,
3088 const u8 *buf,
3089 size_t len,
3090 bool *more_data,
3091 bool no_cck)
3092{
3093 struct ieee80211_mgmt *mgmt;
3094 struct ath6kl_sta *conn;
3095 bool is_psq_empty = false;
3096 struct ath6kl_mgmt_buff *mgmt_buf;
3097 size_t mgmt_buf_size;
3098 struct ath6kl *ar = vif->ar;
3099
3100 mgmt = (struct ieee80211_mgmt *) buf;
3101 if (is_multicast_ether_addr(mgmt->da))
3102 return false;
3103
3104 conn = ath6kl_find_sta(vif, mgmt->da);
3105 if (!conn)
3106 return false;
3107
3108 if (conn->sta_flags & STA_PS_SLEEP) {
3109 if (!(conn->sta_flags & STA_PS_POLLED)) {
3110
3111 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3112 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3113 if (!mgmt_buf)
3114 return false;
3115
3116 INIT_LIST_HEAD(&mgmt_buf->list);
3117 mgmt_buf->id = id;
3118 mgmt_buf->freq = freq;
3119 mgmt_buf->wait = wait;
3120 mgmt_buf->len = len;
3121 mgmt_buf->no_cck = no_cck;
3122 memcpy(mgmt_buf->buf, buf, len);
3123 spin_lock_bh(&conn->psq_lock);
3124 is_psq_empty = skb_queue_empty(&conn->psq) &&
3125 (conn->mgmt_psq_len == 0);
3126 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3127 conn->mgmt_psq_len++;
3128 spin_unlock_bh(&conn->psq_lock);
3129
3130
3131
3132
3133
3134
3135 if (is_psq_empty)
3136 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3137 conn->aid, 1);
3138 return true;
3139 }
3140
3141
3142
3143
3144
3145 spin_lock_bh(&conn->psq_lock);
3146 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3147 *more_data = true;
3148 spin_unlock_bh(&conn->psq_lock);
3149 }
3150
3151 return false;
3152}
3153
3154
3155static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3156{
3157 const struct ieee80211_mgmt *mgmt;
3158 mgmt = (const struct ieee80211_mgmt *) buf;
3159
3160
3161 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3162 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3163 return true;
3164 }
3165
3166 return false;
3167}
3168
3169static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
3170 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
3171{
3172 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3173 struct ath6kl *ar = ath6kl_priv(vif->ndev);
3174 struct ieee80211_channel *chan = params->chan;
3175 const u8 *buf = params->buf;
3176 size_t len = params->len;
3177 unsigned int wait = params->wait;
3178 bool no_cck = params->no_cck;
3179 u32 id, freq;
3180 const struct ieee80211_mgmt *mgmt;
3181 bool more_data, queued;
3182
3183
3184
3185
3186 freq = vif->ch_hint;
3187 if (chan)
3188 freq = chan->center_freq;
3189
3190
3191 if (WARN_ON(freq == 0))
3192 return -EINVAL;
3193
3194 mgmt = (const struct ieee80211_mgmt *) buf;
3195 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3196 ieee80211_is_probe_resp(mgmt->frame_control) &&
3197 ath6kl_is_p2p_go_ssid(buf, len)) {
3198
3199
3200
3201
3202 *cookie = 0;
3203 return ath6kl_send_go_probe_resp(vif, buf, len, freq);
3204 }
3205
3206 id = vif->send_action_id++;
3207 if (id == 0) {
3208
3209
3210
3211
3212 id = vif->send_action_id++;
3213 }
3214
3215 *cookie = id;
3216
3217
3218 if (vif->nw_type == AP_NETWORK) {
3219 queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len,
3220 &more_data, no_cck);
3221 if (queued)
3222 return 0;
3223 }
3224
3225 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq,
3226 wait, buf, len, no_cck);
3227}
3228
3229static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
3230 struct wireless_dev *wdev,
3231 u16 frame_type, bool reg)
3232{
3233 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3234
3235 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3236 __func__, frame_type, reg);
3237 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3238
3239
3240
3241
3242
3243 vif->probe_req_report = reg;
3244 }
3245}
3246
3247static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3248 struct net_device *dev,
3249 struct cfg80211_sched_scan_request *request)
3250{
3251 struct ath6kl *ar = ath6kl_priv(dev);
3252 struct ath6kl_vif *vif = netdev_priv(dev);
3253 u16 interval;
3254 int ret, rssi_thold;
3255 int n_match_sets = request->n_match_sets;
3256
3257
3258
3259
3260
3261
3262 if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len)
3263 n_match_sets = 0;
3264
3265 if (ar->state != ATH6KL_STATE_ON)
3266 return -EIO;
3267
3268 if (vif->sme_state != SME_DISCONNECTED)
3269 return -EBUSY;
3270
3271 ath6kl_cfg80211_scan_complete_event(vif, true);
3272
3273 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
3274 request->n_ssids,
3275 request->match_sets,
3276 n_match_sets);
3277 if (ret < 0)
3278 return ret;
3279
3280 if (!n_match_sets) {
3281 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3282 ALL_BSS_FILTER, 0);
3283 if (ret < 0)
3284 return ret;
3285 } else {
3286 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3287 MATCHED_SSID_FILTER, 0);
3288 if (ret < 0)
3289 return ret;
3290 }
3291
3292 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3293 ar->fw_capabilities)) {
3294 if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
3295 rssi_thold = 0;
3296 else if (request->min_rssi_thold < -127)
3297 rssi_thold = -127;
3298 else
3299 rssi_thold = request->min_rssi_thold;
3300
3301 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3302 rssi_thold);
3303 if (ret) {
3304 ath6kl_err("failed to set RSSI threshold for scan\n");
3305 return ret;
3306 }
3307 }
3308
3309
3310 interval = max_t(u16, 1, request->interval / 1000);
3311
3312 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3313 interval, interval,
3314 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
3315
3316
3317 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3318 WMI_FRAME_PROBE_REQ,
3319 request->ie, request->ie_len);
3320 if (ret) {
3321 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
3322 ret);
3323 return ret;
3324 }
3325
3326 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3327 if (ret)
3328 return ret;
3329
3330 set_bit(SCHED_SCANNING, &vif->flags);
3331
3332 return 0;
3333}
3334
3335static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3336 struct net_device *dev)
3337{
3338 struct ath6kl_vif *vif = netdev_priv(dev);
3339 bool stopped;
3340
3341 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3342
3343 if (!stopped)
3344 return -EIO;
3345
3346 return 0;
3347}
3348
3349static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3350 struct net_device *dev,
3351 const u8 *addr,
3352 const struct cfg80211_bitrate_mask *mask)
3353{
3354 struct ath6kl *ar = ath6kl_priv(dev);
3355 struct ath6kl_vif *vif = netdev_priv(dev);
3356
3357 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3358 mask);
3359}
3360
3361static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3362 struct net_device *dev,
3363 u32 rate, u32 pkts, u32 intvl)
3364{
3365 struct ath6kl *ar = ath6kl_priv(dev);
3366 struct ath6kl_vif *vif = netdev_priv(dev);
3367
3368 if (vif->nw_type != INFRA_NETWORK ||
3369 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3370 return -EOPNOTSUPP;
3371
3372 if (vif->sme_state != SME_CONNECTED)
3373 return -ENOTCONN;
3374
3375
3376 vif->txe_intvl = intvl;
3377
3378 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3379 rate, pkts, intvl);
3380}
3381
3382static const struct ieee80211_txrx_stypes
3383ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3384 [NL80211_IFTYPE_STATION] = {
3385 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3386 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3387 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3388 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3389 },
3390 [NL80211_IFTYPE_AP] = {
3391 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3392 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3393 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3394 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3395 },
3396 [NL80211_IFTYPE_P2P_CLIENT] = {
3397 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3398 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3399 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3400 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3401 },
3402 [NL80211_IFTYPE_P2P_GO] = {
3403 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3404 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3405 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3406 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3407 },
3408};
3409
3410static struct cfg80211_ops ath6kl_cfg80211_ops = {
3411 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3412 .del_virtual_intf = ath6kl_cfg80211_del_iface,
3413 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3414 .scan = ath6kl_cfg80211_scan,
3415 .connect = ath6kl_cfg80211_connect,
3416 .disconnect = ath6kl_cfg80211_disconnect,
3417 .add_key = ath6kl_cfg80211_add_key,
3418 .get_key = ath6kl_cfg80211_get_key,
3419 .del_key = ath6kl_cfg80211_del_key,
3420 .set_default_key = ath6kl_cfg80211_set_default_key,
3421 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3422 .set_tx_power = ath6kl_cfg80211_set_txpower,
3423 .get_tx_power = ath6kl_cfg80211_get_txpower,
3424 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3425 .join_ibss = ath6kl_cfg80211_join_ibss,
3426 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3427 .get_station = ath6kl_get_station,
3428 .set_pmksa = ath6kl_set_pmksa,
3429 .del_pmksa = ath6kl_del_pmksa,
3430 .flush_pmksa = ath6kl_flush_pmksa,
3431 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
3432#ifdef CONFIG_PM
3433 .suspend = __ath6kl_cfg80211_suspend,
3434 .resume = __ath6kl_cfg80211_resume,
3435#endif
3436 .start_ap = ath6kl_start_ap,
3437 .change_beacon = ath6kl_change_beacon,
3438 .stop_ap = ath6kl_stop_ap,
3439 .del_station = ath6kl_del_station,
3440 .change_station = ath6kl_change_station,
3441 .remain_on_channel = ath6kl_remain_on_channel,
3442 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
3443 .mgmt_tx = ath6kl_mgmt_tx,
3444 .mgmt_frame_register = ath6kl_mgmt_frame_register,
3445 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3446 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
3447 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
3448 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
3449};
3450
3451void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
3452{
3453 ath6kl_cfg80211_sscan_disable(vif);
3454
3455 switch (vif->sme_state) {
3456 case SME_DISCONNECTED:
3457 break;
3458 case SME_CONNECTING:
3459 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3460 NULL, 0,
3461 WLAN_STATUS_UNSPECIFIED_FAILURE,
3462 GFP_KERNEL);
3463 break;
3464 case SME_CONNECTED:
3465 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3466 break;
3467 }
3468
3469 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3470 (test_bit(CONNECTED, &vif->flags) ||
3471 test_bit(CONNECT_PEND, &vif->flags)))
3472 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
3473
3474 vif->sme_state = SME_DISCONNECTED;
3475 clear_bit(CONNECTED, &vif->flags);
3476 clear_bit(CONNECT_PEND, &vif->flags);
3477
3478
3479 netif_stop_queue(vif->ndev);
3480 netif_carrier_off(vif->ndev);
3481
3482
3483 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3484 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
3485 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3486 ath6kl_warn("failed to disable scan during stop\n");
3487
3488 ath6kl_cfg80211_scan_complete_event(vif, true);
3489}
3490
3491void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3492{
3493 struct ath6kl_vif *vif;
3494
3495 vif = ath6kl_vif_first(ar);
3496 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
3497
3498 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3499
3500 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
3501 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
3502 return;
3503 }
3504
3505
3506
3507
3508
3509
3510 list_for_each_entry(vif, &ar->vif_list, list)
3511 ath6kl_cfg80211_stop(vif);
3512}
3513
3514static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3515 struct regulatory_request *request)
3516{
3517 struct ath6kl *ar = wiphy_priv(wiphy);
3518 u32 rates[IEEE80211_NUM_BANDS];
3519 int ret, i;
3520
3521 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
3522 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
3523 request->alpha2[0], request->alpha2[1],
3524 request->intersect ? " intersect" : "",
3525 request->processed ? " processed" : "",
3526 request->initiator, request->user_reg_hint_type);
3527
3528 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
3529 return;
3530
3531 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3532 if (ret) {
3533 ath6kl_err("failed to set regdomain: %d\n", ret);
3534 return;
3535 }
3536
3537
3538
3539
3540
3541
3542
3543 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3544 if (wiphy->bands[i])
3545 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3546
3547
3548 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3549 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3550 0, NULL, false, rates);
3551 if (ret) {
3552 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3553 ret);
3554 return;
3555 }
3556}
3557
3558static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
3559{
3560 vif->aggr_cntxt = aggr_init(vif);
3561 if (!vif->aggr_cntxt) {
3562 ath6kl_err("failed to initialize aggr\n");
3563 return -ENOMEM;
3564 }
3565
3566 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
3567 (unsigned long) vif->ndev);
3568 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3569 (unsigned long) vif);
3570
3571 set_bit(WMM_ENABLED, &vif->flags);
3572 spin_lock_init(&vif->if_lock);
3573
3574 INIT_LIST_HEAD(&vif->mc_filter);
3575
3576 return 0;
3577}
3578
3579void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3580{
3581 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3582 bool discon_issued;
3583
3584 netif_stop_queue(vif->ndev);
3585
3586 clear_bit(WLAN_ENABLED, &vif->flags);
3587
3588 if (wmi_ready) {
3589 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3590 test_bit(CONNECT_PEND, &vif->flags);
3591 ath6kl_disconnect(vif);
3592 del_timer(&vif->disconnect_timer);
3593
3594 if (discon_issued)
3595 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3596 (vif->nw_type & AP_NETWORK) ?
3597 bcast_mac : vif->bssid,
3598 0, NULL, 0);
3599 }
3600
3601 if (vif->scan_req) {
3602 cfg80211_scan_done(vif->scan_req, true);
3603 vif->scan_req = NULL;
3604 }
3605
3606
3607 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3608}
3609
3610void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
3611{
3612 struct ath6kl *ar = vif->ar;
3613 struct ath6kl_mc_filter *mc_filter, *tmp;
3614
3615 aggr_module_destroy(vif->aggr_cntxt);
3616
3617 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3618
3619 if (vif->nw_type == ADHOC_NETWORK)
3620 ar->ibss_if_active = false;
3621
3622 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3623 list_del(&mc_filter->list);
3624 kfree(mc_filter);
3625 }
3626
3627 unregister_netdevice(vif->ndev);
3628
3629 ar->num_vif--;
3630}
3631
3632struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
3633 enum nl80211_iftype type,
3634 u8 fw_vif_idx, u8 nw_type)
3635{
3636 struct net_device *ndev;
3637 struct ath6kl_vif *vif;
3638
3639 ndev = alloc_netdev(sizeof(*vif), name, ether_setup);
3640 if (!ndev)
3641 return NULL;
3642
3643 vif = netdev_priv(ndev);
3644 ndev->ieee80211_ptr = &vif->wdev;
3645 vif->wdev.wiphy = ar->wiphy;
3646 vif->ar = ar;
3647 vif->ndev = ndev;
3648 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3649 vif->wdev.netdev = ndev;
3650 vif->wdev.iftype = type;
3651 vif->fw_vif_idx = fw_vif_idx;
3652 vif->nw_type = nw_type;
3653 vif->next_mode = nw_type;
3654 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
3655 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
3656 vif->bg_scan_period = 0;
3657 vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
3658 vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
3659
3660 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
3661 if (fw_vif_idx != 0) {
3662 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3663 0x2;
3664 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3665 ar->fw_capabilities))
3666 ndev->dev_addr[4] ^= 0x80;
3667 }
3668
3669 init_netdev(ndev);
3670
3671 ath6kl_init_control_info(vif);
3672
3673 if (ath6kl_cfg80211_vif_init(vif))
3674 goto err;
3675
3676 if (register_netdevice(ndev))
3677 goto err;
3678
3679 ar->avail_idx_map &= ~BIT(fw_vif_idx);
3680 vif->sme_state = SME_DISCONNECTED;
3681 set_bit(WLAN_ENABLED, &vif->flags);
3682 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
3683
3684 if (type == NL80211_IFTYPE_ADHOC)
3685 ar->ibss_if_active = true;
3686
3687 spin_lock_bh(&ar->list_lock);
3688 list_add_tail(&vif->list, &ar->vif_list);
3689 spin_unlock_bh(&ar->list_lock);
3690
3691 return &vif->wdev;
3692
3693err:
3694 aggr_module_destroy(vif->aggr_cntxt);
3695 free_netdev(ndev);
3696 return NULL;
3697}
3698
3699#ifdef CONFIG_PM
3700static const struct wiphy_wowlan_support ath6kl_wowlan_support = {
3701 .flags = WIPHY_WOWLAN_MAGIC_PKT |
3702 WIPHY_WOWLAN_DISCONNECT |
3703 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3704 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3705 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3706 WIPHY_WOWLAN_4WAY_HANDSHAKE,
3707 .n_patterns = WOW_MAX_FILTERS_PER_LIST,
3708 .pattern_min_len = 1,
3709 .pattern_max_len = WOW_PATTERN_SIZE,
3710};
3711#endif
3712
3713int ath6kl_cfg80211_init(struct ath6kl *ar)
3714{
3715 struct wiphy *wiphy = ar->wiphy;
3716 bool band_2gig = false, band_5gig = false, ht = false;
3717 int ret;
3718
3719 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3720
3721 wiphy->max_remain_on_channel_duration = 5000;
3722
3723
3724 set_wiphy_dev(wiphy, ar->dev);
3725
3726 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3727 BIT(NL80211_IFTYPE_ADHOC) |
3728 BIT(NL80211_IFTYPE_AP);
3729 if (ar->p2p) {
3730 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3731 BIT(NL80211_IFTYPE_P2P_CLIENT);
3732 }
3733
3734 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
3735 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
3736 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
3737 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3738 }
3739
3740
3741 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
3742
3743
3744 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3745 ar->fw_capabilities))
3746 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3747
3748 wiphy->max_scan_ie_len = 1000;
3749 switch (ar->hw.cap) {
3750 case WMI_11AN_CAP:
3751 ht = true;
3752 case WMI_11A_CAP:
3753 band_5gig = true;
3754 break;
3755 case WMI_11GN_CAP:
3756 ht = true;
3757 case WMI_11G_CAP:
3758 band_2gig = true;
3759 break;
3760 case WMI_11AGN_CAP:
3761 ht = true;
3762 case WMI_11AG_CAP:
3763 band_2gig = true;
3764 band_5gig = true;
3765 break;
3766 default:
3767 ath6kl_err("invalid phy capability!\n");
3768 return -EINVAL;
3769 }
3770
3771
3772
3773
3774
3775
3776 if (!(ht &&
3777 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3778 ar->fw_capabilities))) {
3779 ath6kl_band_2ghz.ht_cap.cap = 0;
3780 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3781 ath6kl_band_5ghz.ht_cap.cap = 0;
3782 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3783 }
3784
3785 if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) {
3786 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3787 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3788 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3789 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3790 } else {
3791 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3792 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3793 }
3794
3795 if (band_2gig)
3796 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3797 if (band_5gig)
3798 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3799
3800 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3801
3802 wiphy->cipher_suites = cipher_suites;
3803 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3804
3805#ifdef CONFIG_PM
3806 wiphy->wowlan = &ath6kl_wowlan_support;
3807#endif
3808
3809 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
3810
3811 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3812 WIPHY_FLAG_HAVE_AP_SME |
3813 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3814 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3815
3816 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
3817 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3818
3819 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3820 ar->fw_capabilities))
3821 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
3822
3823 ar->wiphy->probe_resp_offload =
3824 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3825 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3826 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
3827
3828 ret = wiphy_register(wiphy);
3829 if (ret < 0) {
3830 ath6kl_err("couldn't register wiphy device\n");
3831 return ret;
3832 }
3833
3834 ar->wiphy_registered = true;
3835
3836 return 0;
3837}
3838
3839void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
3840{
3841 wiphy_unregister(ar->wiphy);
3842
3843 ar->wiphy_registered = false;
3844}
3845
3846struct ath6kl *ath6kl_cfg80211_create(void)
3847{
3848 struct ath6kl *ar;
3849 struct wiphy *wiphy;
3850
3851
3852 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3853
3854 if (!wiphy) {
3855 ath6kl_err("couldn't allocate wiphy device\n");
3856 return NULL;
3857 }
3858
3859 ar = wiphy_priv(wiphy);
3860 ar->wiphy = wiphy;
3861
3862 return ar;
3863}
3864
3865
3866void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3867{
3868 int i;
3869
3870 for (i = 0; i < AP_MAX_NUM_STA; i++)
3871 kfree(ar->sta_list[i].aggr_conn);
3872
3873 wiphy_free(ar->wiphy);
3874}
3875
3876
