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mac80211: fix typo in debug output
[linux-2.6-block.git] / drivers / net / wireless / ath / ath6kl / cfg80211.c
CommitLineData
bdcd8170
KV		 1/*
2 * Copyright (c) 2004-2011 Atheros Communications Inc.
1b2df407 3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
bdcd8170
KV		 4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
516304b0
JP		 18#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
6eb07caf 20#include <linux/moduleparam.h>
c08631c6 21#include <linux/inetdevice.h>
d6a434d6 22#include <linux/export.h>
6eb07caf 23
bdcd8170
KV		 24#include "core.h"
25#include "cfg80211.h"
26#include "debug.h"
abcb344b 27#include "hif-ops.h"
003353b0 28#include "testmode.h"
bdcd8170
KV		 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
f599359c
BS		 54#define DEFAULT_BG_SCAN_PERIOD 60
55
dd45b759
NS		 56struct ath6kl_cfg80211_match_probe_ssid {
57 struct cfg80211_ssid ssid;
58 u8 flag;
59};
60
bdcd8170
KV		 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
bed56e31
VT		 81#define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
82#define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
faaf1929
VT		 83 IEEE80211_HT_CAP_SGI_20 | \
84 IEEE80211_HT_CAP_SGI_40)
85
bdcd8170
KV		 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,
faaf1929
VT		 130 .ht_cap.cap = ath6kl_g_htcap,
131 .ht_cap.ht_supported = true,
bdcd8170
KV		 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,
bed56e31 139 .ht_cap.cap = ath6kl_a_htcap,
faaf1929 140 .ht_cap.ht_supported = true,
bdcd8170
KV		 141};
142
837cb97e
JM		 143#define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
144
10509f90
KV		 145/* returns true if scheduled scan was stopped */
146static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
147{
148 struct ath6kl *ar = vif->ar;
149
b1f47e3a 150 if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags))
10509f90
KV		 151 return false;
152
153 del_timer_sync(&vif->sched_scan_timer);
154
58109df6
VT		 155 if (ar->state == ATH6KL_STATE_RECOVERY)
156 return true;
10509f90 157
b1f47e3a 158 ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false);
10509f90
KV		 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
240d2799 176static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
bdcd8170
KV		 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) {
3450334f 182 vif->auth_mode = NONE_AUTH;
bdcd8170 183 } else if (wpa_version & NL80211_WPA_VERSION_2) {
3450334f 184 vif->auth_mode = WPA2_AUTH;
bdcd8170 185 } else if (wpa_version & NL80211_WPA_VERSION_1) {
3450334f 186 vif->auth_mode = WPA_AUTH;
bdcd8170
KV		 187 } else {
188 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
189 return -ENOTSUPP;
190 }
191
192 return 0;
193}
194
240d2799 195static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
bdcd8170
KV		 196 enum nl80211_auth_type auth_type)
197{
bdcd8170
KV		 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:
3450334f 202 vif->dot11_auth_mode = OPEN_AUTH;
bdcd8170
KV		 203 break;
204 case NL80211_AUTHTYPE_SHARED_KEY:
3450334f 205 vif->dot11_auth_mode = SHARED_AUTH;
bdcd8170
KV		 206 break;
207 case NL80211_AUTHTYPE_NETWORK_EAP:
3450334f 208 vif->dot11_auth_mode = LEAP_AUTH;
bdcd8170
KV		 209 break;
210
211 case NL80211_AUTHTYPE_AUTOMATIC:
3450334f 212 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
bdcd8170
KV		 213 break;
214
215 default:
3c325fbd 216 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
bdcd8170
KV		 217 return -ENOTSUPP;
218 }
219
220 return 0;
221}
222
240d2799 223static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
bdcd8170 224{
3450334f
VT		 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;
bdcd8170
KV		 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 /* our own hack to use value 0 as no crypto used */
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;
5e07021e
DS		 254 case WLAN_CIPHER_SUITE_SMS4:
255 *ar_cipher = WAPI_CRYPT;
256 *ar_cipher_len = 0;
257 break;
bdcd8170
KV		 258 default:
259 ath6kl_err("cipher 0x%x not supported\n", cipher);
260 return -ENOTSUPP;
261 }
262
263 return 0;
264}
265
240d2799 266static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
bdcd8170
KV		 267{
268 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
269
270 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
3450334f
VT		 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;
837cb97e 275 } else if (key_mgmt == 0x00409600) {
3450334f
VT		 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;
bdcd8170 280 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
3450334f 281 vif->auth_mode = NONE_AUTH;
bdcd8170
KV		 282 }
283}
284
990bd915 285static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
bdcd8170 286{
990bd915 287 struct ath6kl *ar = vif->ar;
59c98449 288
bdcd8170
KV		 289 if (!test_bit(WMI_READY, &ar->flag)) {
290 ath6kl_err("wmi is not ready\n");
291 return false;
292 }
293
59c98449 294 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
bdcd8170
KV		 295 ath6kl_err("wlan disabled\n");
296 return false;
297 }
298
299 return true;
300}
301
6981ffdc
KF		 302static bool ath6kl_is_wpa_ie(const u8 *pos)
303{
04b2312a 304 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
6981ffdc
KF		 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
63541212
AT		 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
334234b5
VT		 322static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
323 size_t ies_len)
6981ffdc 324{
334234b5 325 struct ath6kl *ar = vif->ar;
6981ffdc
KF		 326 const u8 *pos;
327 u8 *buf = NULL;
328 size_t len = 0;
329 int ret;
330
63541212
AT		 331 /*
332 * Clear previously set flag
333 */
334
335 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
336
6981ffdc
KF		 337 /*
338 * Filter out RSN/WPA IE(s)
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 }
63541212
AT		 354
355 if (ath6kl_is_wps_ie(pos))
356 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
357
6981ffdc
KF		 358 pos += 2 + pos[1];
359 }
360 }
361
334234b5
VT		 362 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
363 WMI_FRAME_ASSOC_REQ, buf, len);
6981ffdc
KF		 364 kfree(buf);
365 return ret;
366}
367
55055976
VT		 368static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
369{
370 switch (type) {
371 case NL80211_IFTYPE_STATION:
38142644 372 case NL80211_IFTYPE_P2P_CLIENT:
55055976
VT		 373 *nw_type = INFRA_NETWORK;
374 break;
375 case NL80211_IFTYPE_ADHOC:
376 *nw_type = ADHOC_NETWORK;
377 break;
378 case NL80211_IFTYPE_AP:
55055976
VT		 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) &&
96f1fadc 399 ar->num_vif))
55055976
VT		 400 return false;
401
402 if (type == NL80211_IFTYPE_STATION ||
403 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
71f96ee6 404 for (i = 0; i < ar->vif_max; i++) {
0db96de6 405 if ((ar->avail_idx_map) & BIT(i)) {
55055976
VT		 406 *if_idx = i;
407 return true;
408 }
409 }
410 }
411
3226f68a
VT		 412 if (type == NL80211_IFTYPE_P2P_CLIENT ||
413 type == NL80211_IFTYPE_P2P_GO) {
71f96ee6 414 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
0db96de6 415 if ((ar->avail_idx_map) & BIT(i)) {
3226f68a
VT		 416 *if_idx = i;
417 return true;
418 }
419 }
420 }
421
55055976
VT		 422 return false;
423}
424
8c9bb054
KV		 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
355b3a98
MSS		 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}
8c9bb054 454
bdcd8170
KV		 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);
59c98449 459 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170 460 int status;
3ca9d1fc 461 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
ce0dc0cf 462 u16 interval;
bdcd8170 463
10509f90
KV		 464 ath6kl_cfg80211_sscan_disable(vif);
465
14ee6f6b 466 vif->sme_state = SME_CONNECTING;
bdcd8170 467
990bd915 468 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 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 * sleep until the command queue drains
497 */
498 wait_event_interruptible_timeout(ar->event_wq,
8c9bb054
KV		 499 ath6kl_is_tx_pending(ar),
500 WMI_TIMEOUT);
bdcd8170
KV		 501 if (signal_pending(current)) {
502 ath6kl_err("cmd queue drain timeout\n");
503 up(&ar->sem);
504 return -EINTR;
505 }
506 }
507
6e786cb1
JM		 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)
542c519a 515 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
6981ffdc 516
59c98449 517 if (test_bit(CONNECTED, &vif->flags) &&
3450334f
VT		 518 vif->ssid_len == sme->ssid_len &&
519 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
cf5333d7 520 vif->reconnect_flag = true;
334234b5
VT		 521 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
522 vif->req_bssid,
f74bac54 523 vif->ch_hint);
bdcd8170
KV		 524
525 up(&ar->sem);
526 if (status) {
527 ath6kl_err("wmi_reconnect_cmd failed\n");
528 return -EIO;
529 }
530 return 0;
3450334f
VT		 531 } else if (vif->ssid_len == sme->ssid_len &&
532 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
240d2799 533 ath6kl_disconnect(vif);
bdcd8170
KV		 534 }
535
3450334f
VT		 536 memset(vif->ssid, 0, sizeof(vif->ssid));
537 vif->ssid_len = sme->ssid_len;
538 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
bdcd8170
KV		 539
540 if (sme->channel)
f74bac54 541 vif->ch_hint = sme->channel->center_freq;
bdcd8170 542
8c8b65e3 543 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170 544 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
8c8b65e3 545 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
bdcd8170 546
240d2799 547 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
bdcd8170 548
240d2799 549 status = ath6kl_set_auth_type(vif, sme->auth_type);
bdcd8170
KV		 550 if (status) {
551 up(&ar->sem);
552 return status;
553 }
554
555 if (sme->crypto.n_ciphers_pairwise)
240d2799 556 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
bdcd8170 557 else
240d2799 558 ath6kl_set_cipher(vif, 0, true);
bdcd8170 559
240d2799 560 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
bdcd8170
KV		 561
562 if (sme->crypto.n_akm_suites)
240d2799 563 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
bdcd8170
KV		 564
565 if ((sme->key_len) &&
3450334f
VT		 566 (vif->auth_mode == NONE_AUTH) &&
567 (vif->prwise_crypto == WEP_CRYPT)) {
bdcd8170
KV		 568 struct ath6kl_key *key = NULL;
569
792ecb33 570 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 571 ath6kl_err("key index %d out of bounds\n",
572 sme->key_idx);
573 up(&ar->sem);
574 return -ENOENT;
575 }
576
6f2a73f9 577 key = &vif->keys[sme->key_idx];
bdcd8170
KV		 578 key->key_len = sme->key_len;
579 memcpy(key->key, sme->key, key->key_len);
3450334f
VT		 580 key->cipher = vif->prwise_crypto;
581 vif->def_txkey_index = sme->key_idx;
bdcd8170 582
334234b5 583 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
3450334f 584 vif->prwise_crypto,
bdcd8170
KV		 585 GROUP_USAGE | TX_USAGE,
586 key->key_len,
f4bb9a6f 587 NULL, 0,
bdcd8170
KV		 588 key->key, KEY_OP_INIT_VAL, NULL,
589 NO_SYNC_WMIFLAG);
590 }
591
592 if (!ar->usr_bss_filter) {
59c98449 593 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
240d2799 594 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
96f1fadc 595 ALL_BSS_FILTER, 0) != 0) {
bdcd8170
KV		 596 ath6kl_err("couldn't set bss filtering\n");
597 up(&ar->sem);
598 return -EIO;
599 }
600 }
601
f5938f24 602 vif->nw_type = vif->next_mode;
bdcd8170 603
c422d52d
TP		 604 /* enable enhanced bmiss detection if applicable */
605 ath6kl_cfg80211_sta_bmiss_enhance(vif, true);
606
3ca9d1fc
AT		 607 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
608 nw_subtype = SUBTYPE_P2PCLIENT;
609
bdcd8170
KV		 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__,
3450334f
VT		 615 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
616 vif->prwise_crypto_len, vif->grp_crypto,
f74bac54 617 vif->grp_crypto_len, vif->ch_hint);
bdcd8170 618
cf5333d7 619 vif->reconnect_flag = 0;
ce0dc0cf
RM		 620
621 if (vif->nw_type == INFRA_NETWORK) {
b5283871
KV		 622 interval = max_t(u16, vif->listen_intvl_t,
623 ATH6KL_MAX_WOW_LISTEN_INTL);
ce0dc0cf
RM		 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
334234b5 634 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
3450334f
VT		 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,
f74bac54 640 vif->req_bssid, vif->ch_hint,
3ca9d1fc 641 ar->connect_ctrl_flags, nw_subtype);
bdcd8170 642
6f7c1adb
MSS		 643 if (sme->bg_scan_period == 0) {
644 /* disable background scan if period is 0 */
f599359c 645 sme->bg_scan_period = 0xffff;
6f7c1adb
MSS		 646 } else if (sme->bg_scan_period == -1) {
647 /* configure default value if not specified */
f599359c 648 sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
6f7c1adb 649 }
f599359c
BS		 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
bdcd8170
KV		 654 up(&ar->sem);
655
656 if (status == -EINVAL) {
3450334f
VT		 657 memset(vif->ssid, 0, sizeof(vif->ssid));
658 vif->ssid_len = 0;
bdcd8170
KV		 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)) &&
ddc3d77c
KV		 667 ((vif->auth_mode == WPA_PSK_AUTH) ||
668 (vif->auth_mode == WPA2_PSK_AUTH))) {
de3ad713 669 mod_timer(&vif->disconnect_timer,
bdcd8170
KV		 670 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
671 }
672
673 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
59c98449 674 set_bit(CONNECT_PEND, &vif->flags);
bdcd8170
KV		 675
676 return 0;
677}
678
5e13fd35
VT		 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)
01cac476 686{
240d2799 687 struct ath6kl *ar = vif->ar;
01cac476 688 struct cfg80211_bss *bss;
6eb18137
DL		 689 u16 cap_val;
690 enum ieee80211_bss_type bss_type;
01cac476
JM		 691 u8 *ie;
692
4eab6f4f 693 if (nw_type & ADHOC_NETWORK) {
4eab6f4f 694 cap_val = WLAN_CAPABILITY_IBSS;
6eb18137 695 bss_type = IEEE80211_BSS_TYPE_IBSS;
4eab6f4f 696 } else {
4eab6f4f 697 cap_val = WLAN_CAPABILITY_ESS;
6eb18137 698 bss_type = IEEE80211_BSS_TYPE_ESS;
4eab6f4f
RM		 699 }
700
be98e3a4 701 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
4eab6f4f 702 vif->ssid, vif->ssid_len,
6eb18137 703 bss_type, IEEE80211_PRIVACY_ANY);
01cac476
JM		 704 if (bss == NULL) {
705 /*
706 * Since cfg80211 may not yet know about the BSS,
707 * generate a partial entry until the first BSS info
708 * event becomes available.
709 *
710 * Prepend SSID element since it is not included in the Beacon
711 * IEs from the target.
712 */
3450334f 713 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
01cac476 714 if (ie == NULL)
5e13fd35 715 return NULL;
01cac476 716 ie[0] = WLAN_EID_SSID;
3450334f
VT		 717 ie[1] = vif->ssid_len;
718 memcpy(ie + 2, vif->ssid, vif->ssid_len);
719 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
be98e3a4 720 bss = cfg80211_inform_bss(ar->wiphy, chan,
5bc8c1f2 721 CFG80211_BSS_FTYPE_UNKNOWN,
4eab6f4f 722 bssid, 0, cap_val, 100,
3450334f 723 ie, 2 + vif->ssid_len + beacon_ie_len,
01cac476
JM		 724 0, GFP_KERNEL);
725 if (bss)
cdeb8602
KV		 726 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
727 "added bss %pM to cfg80211\n", bssid);
01cac476 728 kfree(ie);
a5d8f9df 729 } else {
5e13fd35 730 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
a5d8f9df 731 }
01cac476 732
5e13fd35 733 return bss;
01cac476
JM		 734}
735
240d2799 736void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
bdcd8170
KV		 737 u8 *bssid, u16 listen_intvl,
738 u16 beacon_intvl,
739 enum network_type nw_type,
740 u8 beacon_ie_len, u8 assoc_req_len,
741 u8 assoc_resp_len, u8 *assoc_info)
742{
01cac476 743 struct ieee80211_channel *chan;
240d2799 744 struct ath6kl *ar = vif->ar;
5e13fd35 745 struct cfg80211_bss *bss;
bdcd8170
KV		 746
747 /* capinfo + listen interval */
748 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
749
750 /* capinfo + status code + associd */
751 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
752
753 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
754 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
755 assoc_resp_ie_offset;
756
757 assoc_req_len -= assoc_req_ie_offset;
758 assoc_resp_len -= assoc_resp_ie_offset;
759
32c10874
JM		 760 /*
761 * Store Beacon interval here; DTIM period will be available only once
762 * a Beacon frame from the AP is seen.
763 */
cf5333d7 764 vif->assoc_bss_beacon_int = beacon_intvl;
59c98449 765 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
32c10874 766
bdcd8170 767 if (nw_type & ADHOC_NETWORK) {
551959d8 768 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
bdcd8170
KV		 769 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
770 "%s: ath6k not in ibss mode\n", __func__);
771 return;
772 }
773 }
774
775 if (nw_type & INFRA_NETWORK) {
551959d8
VT		 776 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
777 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
bdcd8170
KV		 778 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
779 "%s: ath6k not in station mode\n", __func__);
780 return;
781 }
782 }
783
be98e3a4 784 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
bdcd8170 785
5e13fd35
VT		 786 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
787 assoc_info, beacon_ie_len);
788 if (!bss) {
4eab6f4f 789 ath6kl_err("could not add cfg80211 bss entry\n");
bdcd8170
KV		 790 return;
791 }
792
4eab6f4f
RM		 793 if (nw_type & ADHOC_NETWORK) {
794 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
795 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
fe94f3a4 796 cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL);
5b112d3d 797 cfg80211_put_bss(ar->wiphy, bss);
bdcd8170
KV		 798 return;
799 }
800
14ee6f6b 801 if (vif->sme_state == SME_CONNECTING) {
bdcd8170 802 /* inform connect result to cfg80211 */
14ee6f6b 803 vif->sme_state = SME_CONNECTED;
240d2799 804 cfg80211_connect_result(vif->ndev, bssid,
bdcd8170
KV		 805 assoc_req_ie, assoc_req_len,
806 assoc_resp_ie, assoc_resp_len,
807 WLAN_STATUS_SUCCESS, GFP_KERNEL);
5b112d3d 808 cfg80211_put_bss(ar->wiphy, bss);
14ee6f6b 809 } else if (vif->sme_state == SME_CONNECTED) {
bdcd8170 810 /* inform roam event to cfg80211 */
5e13fd35
VT		 811 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
812 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
bdcd8170
KV		 813 }
814}
815
816static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
817 struct net_device *dev, u16 reason_code)
818{
d6d5c06c 819 struct ath6kl *ar = ath6kl_priv(dev);
3450334f 820 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 821
822 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
823 reason_code);
824
10509f90
KV		 825 ath6kl_cfg80211_sscan_disable(vif);
826
990bd915 827 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 828 return -EIO;
829
830 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
831 ath6kl_err("busy, destroy in progress\n");
832 return -EBUSY;
833 }
834
835 if (down_interruptible(&ar->sem)) {
836 ath6kl_err("busy, couldn't get access\n");
837 return -ERESTARTSYS;
838 }
839
cf5333d7 840 vif->reconnect_flag = 0;
240d2799 841 ath6kl_disconnect(vif);
3450334f
VT		 842 memset(vif->ssid, 0, sizeof(vif->ssid));
843 vif->ssid_len = 0;
bdcd8170
KV		 844
845 if (!test_bit(SKIP_SCAN, &ar->flag))
8c8b65e3 846 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170
KV		 847
848 up(&ar->sem);
849
14ee6f6b 850 vif->sme_state = SME_DISCONNECTED;
170826dd 851
bdcd8170
KV		 852 return 0;
853}
854
240d2799 855void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
bdcd8170
KV		 856 u8 *bssid, u8 assoc_resp_len,
857 u8 *assoc_info, u16 proto_reason)
858{
240d2799 859 struct ath6kl *ar = vif->ar;
59c98449 860
14ee6f6b
VT		 861 if (vif->scan_req) {
862 cfg80211_scan_done(vif->scan_req, true);
863 vif->scan_req = NULL;
bdcd8170
KV		 864 }
865
f5938f24 866 if (vif->nw_type & ADHOC_NETWORK) {
fe94f3a4 867 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC)
bdcd8170
KV		 868 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
869 "%s: ath6k not in ibss mode\n", __func__);
bdcd8170
KV		 870 return;
871 }
872
f5938f24 873 if (vif->nw_type & INFRA_NETWORK) {
551959d8
VT		 874 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
875 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
bdcd8170
KV		 876 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
877 "%s: ath6k not in station mode\n", __func__);
878 return;
879 }
880 }
881
59c98449 882 clear_bit(CONNECT_PEND, &vif->flags);
bdcd8170 883
14ee6f6b 884 if (vif->sme_state == SME_CONNECTING) {
240d2799 885 cfg80211_connect_result(vif->ndev,
96f1fadc
KV		 886 bssid, NULL, 0,
887 NULL, 0,
888 WLAN_STATUS_UNSPECIFIED_FAILURE,
889 GFP_KERNEL);
14ee6f6b 890 } else if (vif->sme_state == SME_CONNECTED) {
33a6664a 891 cfg80211_disconnected(vif->ndev, proto_reason,
96f1fadc 892 NULL, 0, GFP_KERNEL);
bdcd8170
KV		 893 }
894
14ee6f6b 895 vif->sme_state = SME_DISCONNECTED;
33a6664a
TP		 896
897 /*
898 * Send a disconnect command to target when a disconnect event is
899 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
900 * request from host) to make the firmware stop trying to connect even
901 * after giving disconnect event. There will be one more disconnect
902 * event for this disconnect command with reason code DISCONNECT_CMD
903 * which won't be notified to cfg80211.
904 */
905 if (reason != DISCONNECT_CMD)
906 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
bdcd8170
KV		 907}
908
3b8ffc6a
JM		 909static int ath6kl_set_probed_ssids(struct ath6kl *ar,
910 struct ath6kl_vif *vif,
dd45b759
NS		 911 struct cfg80211_ssid *ssids, int n_ssids,
912 struct cfg80211_match_set *match_set,
913 int n_match_ssid)
3b8ffc6a 914{
dd45b759
NS		 915 u8 i, j, index_to_add, ssid_found = false;
916 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
917
918 memset(ssid_list, 0, sizeof(ssid_list));
3b8ffc6a 919
dd45b759
NS		 920 if (n_ssids > MAX_PROBED_SSIDS ||
921 n_match_ssid > MAX_PROBED_SSIDS)
3b8ffc6a
JM		 922 return -EINVAL;
923
924 for (i = 0; i < n_ssids; i++) {
dd45b759
NS		 925 memcpy(ssid_list[i].ssid.ssid,
926 ssids[i].ssid,
927 ssids[i].ssid_len);
928 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
929
930 if (ssids[i].ssid_len)
931 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
932 else
933 ssid_list[i].flag = ANY_SSID_FLAG;
934
935 if (n_match_ssid == 0)
936 ssid_list[i].flag |= MATCH_SSID_FLAG;
937 }
938
939 index_to_add = i;
940
941 for (i = 0; i < n_match_ssid; i++) {
942 ssid_found = false;
943
944 for (j = 0; j < n_ssids; j++) {
945 if ((match_set[i].ssid.ssid_len ==
946 ssid_list[j].ssid.ssid_len) &&
947 (!memcmp(ssid_list[j].ssid.ssid,
948 match_set[i].ssid.ssid,
949 match_set[i].ssid.ssid_len))) {
950 ssid_list[j].flag |= MATCH_SSID_FLAG;
951 ssid_found = true;
952 break;
953 }
954 }
955
956 if (ssid_found)
957 continue;
958
959 if (index_to_add >= MAX_PROBED_SSIDS)
960 continue;
961
962 ssid_list[index_to_add].ssid.ssid_len =
963 match_set[i].ssid.ssid_len;
964 memcpy(ssid_list[index_to_add].ssid.ssid,
965 match_set[i].ssid.ssid,
966 match_set[i].ssid.ssid_len);
967 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
968 index_to_add++;
969 }
970
971 for (i = 0; i < index_to_add; i++) {
3b8ffc6a 972 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
dd45b759
NS		 973 ssid_list[i].flag,
974 ssid_list[i].ssid.ssid_len,
975 ssid_list[i].ssid.ssid);
3b8ffc6a
JM		 976 }
977
978 /* Make sure no old entries are left behind */
dd45b759 979 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
3b8ffc6a
JM		 980 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
981 DISABLE_SSID_FLAG, 0, NULL);
982 }
983
984 return 0;
985}
986
fd014284 987static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
bdcd8170
KV		 988 struct cfg80211_scan_request *request)
989{
fd014284
JB		 990 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
991 struct ath6kl *ar = ath6kl_priv(vif->ndev);
1276c9ef
EL		 992 s8 n_channels = 0;
993 u16 *channels = NULL;
bdcd8170 994 int ret = 0;
f1f92179 995 u32 force_fg_scan = 0;
bdcd8170 996
990bd915 997 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 998 return -EIO;
999
10509f90
KV		 1000 ath6kl_cfg80211_sscan_disable(vif);
1001
bdcd8170 1002 if (!ar->usr_bss_filter) {
59c98449 1003 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
954e6ce5
VT		 1004 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1005 ALL_BSS_FILTER, 0);
1b1e6ee3 1006 if (ret) {
bdcd8170 1007 ath6kl_err("couldn't set bss filtering\n");
1b1e6ee3 1008 return ret;
bdcd8170
KV		 1009 }
1010 }
1011
3b8ffc6a 1012 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
dd45b759 1013 request->n_ssids, NULL, 0);
3b8ffc6a
JM		 1014 if (ret < 0)
1015 return ret;
bdcd8170 1016
080eec4f
AT		 1017 /* this also clears IE in fw if it's not set */
1018 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1019 WMI_FRAME_PROBE_REQ,
1020 request->ie, request->ie_len);
1021 if (ret) {
f1ff32e8 1022 ath6kl_err("failed to set Probe Request appie for scan\n");
080eec4f 1023 return ret;
b84da8c7
JM		 1024 }
1025
11869bef
JM		 1026 /*
1027 * Scan only the requested channels if the request specifies a set of
1028 * channels. If the list is longer than the target supports, do not
1029 * configure the list and instead, scan all available channels.
1030 */
1031 if (request->n_channels > 0 &&
1032 request->n_channels <= WMI_MAX_CHANNELS) {
1276c9ef
EL		 1033 u8 i;
1034
11869bef 1035 n_channels = request->n_channels;
1276c9ef
EL		 1036
1037 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1038 if (channels == NULL) {
cdeb8602 1039 ath6kl_warn("failed to set scan channels, scan all channels");
1276c9ef
EL		 1040 n_channels = 0;
1041 }
1042
1043 for (i = 0; i < n_channels; i++)
1044 channels[i] = request->channels[i]->center_freq;
1045 }
1046
59c98449 1047 if (test_bit(CONNECTED, &vif->flags))
f1f92179
VT		 1048 force_fg_scan = 1;
1049
5b35dff0
RM		 1050 vif->scan_req = request;
1051
11f0bfcf
KV		 1052 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1053 WMI_LONG_SCAN, force_fg_scan,
1054 false, 0,
1055 ATH6KL_FG_SCAN_INTERVAL,
1056 n_channels, channels,
1057 request->no_cck,
1058 request->rates);
5b35dff0 1059 if (ret) {
11f0bfcf 1060 ath6kl_err("failed to start scan: %d\n", ret);
5b35dff0
RM		 1061 vif->scan_req = NULL;
1062 }
bdcd8170 1063
1276c9ef
EL		 1064 kfree(channels);
1065
bdcd8170
KV		 1066 return ret;
1067}
1068
1c17d313 1069void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
bdcd8170 1070{
240d2799 1071 struct ath6kl *ar = vif->ar;
6fd1eace 1072 int i;
bdcd8170 1073
1c17d313
KV		 1074 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1075 aborted ? " aborted" : "");
bdcd8170 1076
14ee6f6b 1077 if (!vif->scan_req)
6fd1eace
KV		 1078 return;
1079
1c17d313 1080 if (aborted)
6fd1eace 1081 goto out;
6fd1eace 1082
14ee6f6b
VT		 1083 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1084 for (i = 0; i < vif->scan_req->n_ssids; i++) {
334234b5
VT		 1085 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1086 i + 1, DISABLE_SSID_FLAG,
6fd1eace 1087 0, NULL);
bdcd8170 1088 }
bdcd8170 1089 }
6fd1eace
KV		 1090
1091out:
cb93821a 1092 cfg80211_scan_done(vif->scan_req, aborted);
14ee6f6b 1093 vif->scan_req = NULL;
bdcd8170
KV		 1094}
1095
c4f7863e
TP		 1096void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1097 enum wmi_phy_mode mode)
1098{
683b6d3b 1099 struct cfg80211_chan_def chandef;
c4f7863e
TP		 1100
1101 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1102 "channel switch notify nw_type %d freq %d mode %d\n",
1103 vif->nw_type, freq, mode);
1104
3d9d1d66
JB		 1105 cfg80211_chandef_create(&chandef,
1106 ieee80211_get_channel(vif->ar->wiphy, freq),
1107 (mode == WMI_11G_HT20) ?
1108 NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT);
c4f7863e 1109
e487eaeb 1110 mutex_lock(&vif->wdev.mtx);
683b6d3b 1111 cfg80211_ch_switch_notify(vif->ndev, &chandef);
e487eaeb 1112 mutex_unlock(&vif->wdev.mtx);
c4f7863e
TP		 1113}
1114
bdcd8170
KV		 1115static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1116 u8 key_index, bool pairwise,
1117 const u8 *mac_addr,
1118 struct key_params *params)
1119{
d6d5c06c 1120 struct ath6kl *ar = ath6kl_priv(ndev);
59c98449 1121 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170 1122 struct ath6kl_key *key = NULL;
4a8ce2fd 1123 int seq_len;
bdcd8170
KV		 1124 u8 key_usage;
1125 u8 key_type;
bdcd8170 1126
990bd915 1127 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1128 return -EIO;
1129
837cb97e
JM		 1130 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1131 if (params->key_len != WMI_KRK_LEN)
1132 return -EINVAL;
240d2799
VT		 1133 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1134 params->key);
837cb97e
JM		 1135 }
1136
792ecb33 1137 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1138 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1139 "%s: key index %d out of bounds\n", __func__,
1140 key_index);
1141 return -ENOENT;
1142 }
1143
6f2a73f9 1144 key = &vif->keys[key_index];
bdcd8170
KV		 1145 memset(key, 0, sizeof(struct ath6kl_key));
1146
1147 if (pairwise)
1148 key_usage = PAIRWISE_USAGE;
1149 else
1150 key_usage = GROUP_USAGE;
1151
4a8ce2fd
SM		 1152 seq_len = params->seq_len;
1153 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1154 seq_len > ATH6KL_KEY_SEQ_LEN) {
1155 /* Only first half of the WPI PN is configured */
1156 seq_len = ATH6KL_KEY_SEQ_LEN;
bdcd8170 1157 }
4a8ce2fd
SM		 1158 if (params->key_len > WLAN_MAX_KEY_LEN ||
1159 seq_len > sizeof(key->seq))
1160 return -EINVAL;
1161
1162 key->key_len = params->key_len;
1163 memcpy(key->key, params->key, key->key_len);
1164 key->seq_len = seq_len;
1165 memcpy(key->seq, params->seq, key->seq_len);
1166 key->cipher = params->cipher;
bdcd8170
KV		 1167
1168 switch (key->cipher) {
1169 case WLAN_CIPHER_SUITE_WEP40:
1170 case WLAN_CIPHER_SUITE_WEP104:
1171 key_type = WEP_CRYPT;
1172 break;
1173
1174 case WLAN_CIPHER_SUITE_TKIP:
1175 key_type = TKIP_CRYPT;
1176 break;
1177
1178 case WLAN_CIPHER_SUITE_CCMP:
1179 key_type = AES_CRYPT;
1180 break;
5e07021e
DS		 1181 case WLAN_CIPHER_SUITE_SMS4:
1182 key_type = WAPI_CRYPT;
1183 break;
bdcd8170
KV		 1184
1185 default:
1186 return -ENOTSUPP;
1187 }
1188
ddc3d77c
KV		 1189 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1190 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1191 (key_usage & GROUP_USAGE))
de3ad713 1192 del_timer(&vif->disconnect_timer);
bdcd8170
KV		 1193
1194 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1195 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1196 __func__, key_index, key->key_len, key_type,
1197 key_usage, key->seq_len);
1198
f5938f24 1199 if (vif->nw_type == AP_NETWORK && !pairwise &&
4703290a 1200 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
cc4d623d 1201 key_type == WAPI_CRYPT)) {
9a5b1318
JM		 1202 ar->ap_mode_bkey.valid = true;
1203 ar->ap_mode_bkey.key_index = key_index;
1204 ar->ap_mode_bkey.key_type = key_type;
1205 ar->ap_mode_bkey.key_len = key->key_len;
1206 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
59c98449 1207 if (!test_bit(CONNECTED, &vif->flags)) {
cdeb8602
KV		 1208 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1209 "Delay initial group key configuration until AP mode has been started\n");
9a5b1318
JM		 1210 /*
1211 * The key will be set in ath6kl_connect_ap_mode() once
1212 * the connected event is received from the target.
1213 */
1214 return 0;
1215 }
1216 }
1217
f5938f24 1218 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
59c98449 1219 !test_bit(CONNECTED, &vif->flags)) {
151411e8
JM		 1220 /*
1221 * Store the key locally so that it can be re-configured after
1222 * the AP mode has properly started
1223 * (ath6kl_install_statioc_wep_keys).
1224 */
cdeb8602
KV		 1225 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1226 "Delay WEP key configuration until AP mode has been started\n");
6f2a73f9
VT		 1227 vif->wep_key_list[key_index].key_len = key->key_len;
1228 memcpy(vif->wep_key_list[key_index].key, key->key,
1229 key->key_len);
151411e8
JM		 1230 return 0;
1231 }
1232
7cefa44f 1233 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
f3e61ece
JM		 1234 key_type, key_usage, key->key_len,
1235 key->seq, key->seq_len, key->key,
1236 KEY_OP_INIT_VAL,
1237 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
bdcd8170
KV		 1238}
1239
1240static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1241 u8 key_index, bool pairwise,
1242 const u8 *mac_addr)
1243{
d6d5c06c 1244 struct ath6kl *ar = ath6kl_priv(ndev);
6f2a73f9 1245 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170
KV		 1246
1247 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1248
990bd915 1249 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1250 return -EIO;
1251
792ecb33 1252 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1253 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1254 "%s: key index %d out of bounds\n", __func__,
1255 key_index);
1256 return -ENOENT;
1257 }
1258
6f2a73f9 1259 if (!vif->keys[key_index].key_len) {
bdcd8170
KV		 1260 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1261 "%s: index %d is empty\n", __func__, key_index);
1262 return 0;
1263 }
1264
6f2a73f9 1265 vif->keys[key_index].key_len = 0;
bdcd8170 1266
334234b5 1267 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
bdcd8170
KV		 1268}
1269
1270static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1271 u8 key_index, bool pairwise,
1272 const u8 *mac_addr, void *cookie,
1273 void (*callback) (void *cookie,
1274 struct key_params *))
1275{
6f2a73f9 1276 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170
KV		 1277 struct ath6kl_key *key = NULL;
1278 struct key_params params;
1279
1280 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1281
990bd915 1282 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1283 return -EIO;
1284
792ecb33 1285 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1286 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1287 "%s: key index %d out of bounds\n", __func__,
1288 key_index);
1289 return -ENOENT;
1290 }
1291
6f2a73f9 1292 key = &vif->keys[key_index];
bdcd8170
KV		 1293 memset(&params, 0, sizeof(params));
1294 params.cipher = key->cipher;
1295 params.key_len = key->key_len;
1296 params.seq_len = key->seq_len;
1297 params.seq = key->seq;
1298 params.key = key->key;
1299
1300 callback(cookie, &params);
1301
1302 return key->key_len ? 0 : -ENOENT;
1303}
1304
1305static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1306 struct net_device *ndev,
1307 u8 key_index, bool unicast,
1308 bool multicast)
1309{
d6d5c06c 1310 struct ath6kl *ar = ath6kl_priv(ndev);
59c98449 1311 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170 1312 struct ath6kl_key *key = NULL;
bdcd8170 1313 u8 key_usage;
229ed6b5 1314 enum crypto_type key_type = NONE_CRYPT;
bdcd8170
KV		 1315
1316 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1317
990bd915 1318 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1319 return -EIO;
1320
792ecb33 1321 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1322 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1323 "%s: key index %d out of bounds\n",
1324 __func__, key_index);
1325 return -ENOENT;
1326 }
1327
6f2a73f9 1328 if (!vif->keys[key_index].key_len) {
bdcd8170
KV		 1329 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1330 __func__, key_index);
1331 return -EINVAL;
1332 }
1333
3450334f 1334 vif->def_txkey_index = key_index;
6f2a73f9 1335 key = &vif->keys[vif->def_txkey_index];
bdcd8170 1336 key_usage = GROUP_USAGE;
3450334f 1337 if (vif->prwise_crypto == WEP_CRYPT)
bdcd8170 1338 key_usage |= TX_USAGE;
229ed6b5 1339 if (unicast)
3450334f 1340 key_type = vif->prwise_crypto;
229ed6b5 1341 if (multicast)
3450334f 1342 key_type = vif->grp_crypto;
bdcd8170 1343
f5938f24 1344 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
9a5b1318
JM		 1345 return 0; /* Delay until AP mode has been started */
1346
f3e61ece
JM		 1347 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1348 vif->def_txkey_index,
1349 key_type, key_usage,
1350 key->key_len, key->seq, key->seq_len,
1351 key->key,
1352 KEY_OP_INIT_VAL, NULL,
1353 SYNC_BOTH_WMIFLAG);
bdcd8170
KV		 1354}
1355
240d2799 1356void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
bdcd8170
KV		 1357 bool ismcast)
1358{
1359 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1360 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1361
240d2799 1362 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
bdcd8170
KV		 1363 (ismcast ? NL80211_KEYTYPE_GROUP :
1364 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1365 GFP_KERNEL);
1366}
1367
1368static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1369{
1370 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915 1371 struct ath6kl_vif *vif;
bdcd8170
KV		 1372 int ret;
1373
1374 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1375 changed);
1376
990bd915
VT		 1377 vif = ath6kl_vif_first(ar);
1378 if (!vif)
1379 return -EIO;
1380
1381 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1382 return -EIO;
1383
1384 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1385 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1386 if (ret != 0) {
1387 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1388 return -EIO;
1389 }
1390 }
1391
1392 return 0;
1393}
1394
bdcd8170 1395static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
c8442118 1396 struct wireless_dev *wdev,
bdcd8170 1397 enum nl80211_tx_power_setting type,
b992a285 1398 int mbm)
bdcd8170
KV		 1399{
1400 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915 1401 struct ath6kl_vif *vif;
b992a285 1402 int dbm = MBM_TO_DBM(mbm);
bdcd8170
KV		 1403
1404 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1405 type, dbm);
1406
990bd915
VT		 1407 vif = ath6kl_vif_first(ar);
1408 if (!vif)
1409 return -EIO;
1410
1411 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1412 return -EIO;
1413
1414 switch (type) {
1415 case NL80211_TX_POWER_AUTOMATIC:
1416 return 0;
1417 case NL80211_TX_POWER_LIMITED:
d0d670ab 1418 ar->tx_pwr = dbm;
bdcd8170
KV		 1419 break;
1420 default:
1421 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1422 __func__, type);
1423 return -EOPNOTSUPP;
1424 }
1425
d0d670ab 1426 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
bdcd8170
KV		 1427
1428 return 0;
1429}
1430
c8442118
JB		 1431static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy,
1432 struct wireless_dev *wdev,
1433 int *dbm)
bdcd8170
KV		 1434{
1435 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915
VT		 1436 struct ath6kl_vif *vif;
1437
1438 vif = ath6kl_vif_first(ar);
1439 if (!vif)
1440 return -EIO;
bdcd8170 1441
990bd915 1442 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1443 return -EIO;
1444
59c98449 1445 if (test_bit(CONNECTED, &vif->flags)) {
bdcd8170
KV		 1446 ar->tx_pwr = 0;
1447
990bd915 1448 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
bdcd8170
KV		 1449 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1450 return -EIO;
1451 }
1452
1453 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1454 5 * HZ);
1455
1456 if (signal_pending(current)) {
1457 ath6kl_err("target did not respond\n");
1458 return -EINTR;
1459 }
1460 }
1461
1462 *dbm = ar->tx_pwr;
1463 return 0;
1464}
1465
1466static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1467 struct net_device *dev,
1468 bool pmgmt, int timeout)
1469{
1470 struct ath6kl *ar = ath6kl_priv(dev);
1471 struct wmi_power_mode_cmd mode;
334234b5 1472 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1473
1474 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1475 __func__, pmgmt, timeout);
1476
990bd915 1477 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1478 return -EIO;
1479
1480 if (pmgmt) {
f0ed67ec 1481 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
bdcd8170
KV		 1482 mode.pwr_mode = REC_POWER;
1483 } else {
f0ed67ec 1484 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
bdcd8170
KV		 1485 mode.pwr_mode = MAX_PERF_POWER;
1486 }
1487
334234b5 1488 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
96f1fadc 1489 mode.pwr_mode) != 0) {
bdcd8170
KV		 1490 ath6kl_err("wmi_powermode_cmd failed\n");
1491 return -EIO;
1492 }
1493
1494 return 0;
1495}
1496
84efbb84 1497static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
552bff0c 1498 const char *name,
84efbb84
JB		 1499 enum nl80211_iftype type,
1500 u32 *flags,
1501 struct vif_params *params)
55055976
VT		 1502{
1503 struct ath6kl *ar = wiphy_priv(wiphy);
84efbb84 1504 struct wireless_dev *wdev;
55055976
VT		 1505 u8 if_idx, nw_type;
1506
71f96ee6 1507 if (ar->num_vif == ar->vif_max) {
55055976
VT		 1508 ath6kl_err("Reached maximum number of supported vif\n");
1509 return ERR_PTR(-EINVAL);
1510 }
1511
1512 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1513 ath6kl_err("Not a supported interface type\n");
1514 return ERR_PTR(-EINVAL);
1515 }
1516
84efbb84
JB		 1517 wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1518 if (!wdev)
55055976
VT		 1519 return ERR_PTR(-ENOMEM);
1520
1521 ar->num_vif++;
1522
84efbb84 1523 return wdev;
55055976
VT		 1524}
1525
1526static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
84efbb84 1527 struct wireless_dev *wdev)
55055976
VT		 1528{
1529 struct ath6kl *ar = wiphy_priv(wiphy);
84efbb84 1530 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
55055976 1531
11f6e40d 1532 spin_lock_bh(&ar->list_lock);
55055976 1533 list_del(&vif->list);
11f6e40d 1534 spin_unlock_bh(&ar->list_lock);
55055976 1535
355b3a98 1536 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
55055976 1537
bc52aab3 1538 rtnl_lock();
c25889e8 1539 ath6kl_cfg80211_vif_cleanup(vif);
bc52aab3 1540 rtnl_unlock();
55055976
VT		 1541
1542 return 0;
1543}
1544
bdcd8170
KV		 1545static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1546 struct net_device *ndev,
1547 enum nl80211_iftype type, u32 *flags,
1548 struct vif_params *params)
1549{
f5938f24 1550 struct ath6kl_vif *vif = netdev_priv(ndev);
1e8d13b0 1551 int i;
bdcd8170
KV		 1552
1553 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1554
1e8d13b0
VT		 1555 /*
1556 * Don't bring up p2p on an interface which is not initialized
1557 * for p2p operation where fw does not have capability to switch
1558 * dynamically between non-p2p and p2p type interface.
1559 */
1560 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1561 vif->ar->fw_capabilities) &&
1562 (type == NL80211_IFTYPE_P2P_CLIENT ||
1563 type == NL80211_IFTYPE_P2P_GO)) {
1564 if (vif->ar->vif_max == 1) {
1565 if (vif->fw_vif_idx != 0)
1566 return -EINVAL;
1567 else
1568 goto set_iface_type;
1569 }
1570
1571 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1572 if (i == vif->fw_vif_idx)
1573 break;
1574 }
1575
1576 if (i == vif->ar->vif_max) {
1577 ath6kl_err("Invalid interface to bring up P2P\n");
1578 return -EINVAL;
1579 }
1580 }
1581
c422d52d
TP		 1582 /* need to clean up enhanced bmiss detection fw state */
1583 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1584
1e8d13b0 1585set_iface_type:
bdcd8170
KV		 1586 switch (type) {
1587 case NL80211_IFTYPE_STATION:
8aa659d2 1588 case NL80211_IFTYPE_P2P_CLIENT:
f5938f24 1589 vif->next_mode = INFRA_NETWORK;
bdcd8170
KV		 1590 break;
1591 case NL80211_IFTYPE_ADHOC:
f5938f24 1592 vif->next_mode = ADHOC_NETWORK;
bdcd8170 1593 break;
6e4604c8 1594 case NL80211_IFTYPE_AP:
6b5e5d25 1595 case NL80211_IFTYPE_P2P_GO:
f5938f24 1596 vif->next_mode = AP_NETWORK;
6b5e5d25 1597 break;
bdcd8170
KV		 1598 default:
1599 ath6kl_err("invalid interface type %u\n", type);
1600 return -EOPNOTSUPP;
1601 }
1602
551959d8 1603 vif->wdev.iftype = type;
bdcd8170
KV		 1604
1605 return 0;
1606}
1607
1608static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1609 struct net_device *dev,
1610 struct cfg80211_ibss_params *ibss_param)
1611{
1612 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 1613 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1614 int status;
1615
990bd915 1616 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1617 return -EIO;
1618
3450334f
VT		 1619 vif->ssid_len = ibss_param->ssid_len;
1620 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
bdcd8170 1621
683b6d3b
JB		 1622 if (ibss_param->chandef.chan)
1623 vif->ch_hint = ibss_param->chandef.chan->center_freq;
bdcd8170
KV		 1624
1625 if (ibss_param->channel_fixed) {
1626 /*
1627 * TODO: channel_fixed: The channel should be fixed, do not
1628 * search for IBSSs to join on other channels. Target
1629 * firmware does not support this feature, needs to be
1630 * updated.
1631 */
1632 return -EOPNOTSUPP;
1633 }
1634
8c8b65e3 1635 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170 1636 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
8c8b65e3
VT		 1637 memcpy(vif->req_bssid, ibss_param->bssid,
1638 sizeof(vif->req_bssid));
bdcd8170 1639
240d2799 1640 ath6kl_set_wpa_version(vif, 0);
bdcd8170 1641
240d2799 1642 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
bdcd8170
KV		 1643 if (status)
1644 return status;
1645
1646 if (ibss_param->privacy) {
240d2799
VT		 1647 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1648 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
bdcd8170 1649 } else {
240d2799
VT		 1650 ath6kl_set_cipher(vif, 0, true);
1651 ath6kl_set_cipher(vif, 0, false);
bdcd8170
KV		 1652 }
1653
f5938f24 1654 vif->nw_type = vif->next_mode;
bdcd8170
KV		 1655
1656 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1657 "%s: connect called with authmode %d dot11 auth %d"
1658 " PW crypto %d PW crypto len %d GRP crypto %d"
1659 " GRP crypto len %d channel hint %u\n",
1660 __func__,
3450334f
VT		 1661 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1662 vif->prwise_crypto_len, vif->grp_crypto,
f74bac54 1663 vif->grp_crypto_len, vif->ch_hint);
bdcd8170 1664
334234b5 1665 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
3450334f
VT		 1666 vif->dot11_auth_mode, vif->auth_mode,
1667 vif->prwise_crypto,
1668 vif->prwise_crypto_len,
1669 vif->grp_crypto, vif->grp_crypto_len,
1670 vif->ssid_len, vif->ssid,
f74bac54 1671 vif->req_bssid, vif->ch_hint,
3ca9d1fc 1672 ar->connect_ctrl_flags, SUBTYPE_NONE);
59c98449 1673 set_bit(CONNECT_PEND, &vif->flags);
bdcd8170
KV		 1674
1675 return 0;
1676}
1677
1678static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1679 struct net_device *dev)
1680{
3450334f 1681 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170 1682
990bd915 1683 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1684 return -EIO;
1685
240d2799 1686 ath6kl_disconnect(vif);
3450334f
VT		 1687 memset(vif->ssid, 0, sizeof(vif->ssid));
1688 vif->ssid_len = 0;
bdcd8170
KV		 1689
1690 return 0;
1691}
1692
1693static const u32 cipher_suites[] = {
1694 WLAN_CIPHER_SUITE_WEP40,
1695 WLAN_CIPHER_SUITE_WEP104,
1696 WLAN_CIPHER_SUITE_TKIP,
1697 WLAN_CIPHER_SUITE_CCMP,
837cb97e 1698 CCKM_KRK_CIPHER_SUITE,
5e07021e 1699 WLAN_CIPHER_SUITE_SMS4,
bdcd8170
KV		 1700};
1701
1702static bool is_rate_legacy(s32 rate)
1703{
1704 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1705 6000, 9000, 12000, 18000, 24000,
1706 36000, 48000, 54000
1707 };
1708 u8 i;
1709
1710 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1711 if (rate == legacy[i])
1712 return true;
1713
1714 return false;
1715}
1716
1717static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1718{
1719 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1720 52000, 58500, 65000, 72200
1721 };
1722 u8 i;
1723
1724 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1725 if (rate == ht20[i]) {
1726 if (i == ARRAY_SIZE(ht20) - 1)
1727 /* last rate uses sgi */
1728 *sgi = true;
1729 else
1730 *sgi = false;
1731
1732 *mcs = i;
1733 return true;
1734 }
1735 }
1736 return false;
1737}
1738
1739static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1740{
1741 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1742 81000, 108000, 121500, 135000,
1743 150000
1744 };
1745 u8 i;
1746
1747 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1748 if (rate == ht40[i]) {
1749 if (i == ARRAY_SIZE(ht40) - 1)
1750 /* last rate uses sgi */
1751 *sgi = true;
1752 else
1753 *sgi = false;
1754
1755 *mcs = i;
1756 return true;
1757 }
1758 }
1759
1760 return false;
1761}
1762
1763static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1764 const u8 *mac, struct station_info *sinfo)
bdcd8170
KV		 1765{
1766 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 1767 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1768 long left;
1769 bool sgi;
1770 s32 rate;
1771 int ret;
1772 u8 mcs;
1773
8c8b65e3 1774 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
bdcd8170
KV		 1775 return -ENOENT;
1776
1777 if (down_interruptible(&ar->sem))
1778 return -EBUSY;
1779
b95907a7 1780 set_bit(STATS_UPDATE_PEND, &vif->flags);
bdcd8170 1781
334234b5 1782 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
bdcd8170
KV		 1783
1784 if (ret != 0) {
1785 up(&ar->sem);
1786 return -EIO;
1787 }
1788
1789 left = wait_event_interruptible_timeout(ar->event_wq,
1790 !test_bit(STATS_UPDATE_PEND,
b95907a7 1791 &vif->flags),
bdcd8170
KV		 1792 WMI_TIMEOUT);
1793
1794 up(&ar->sem);
1795
1796 if (left == 0)
1797 return -ETIMEDOUT;
1798 else if (left < 0)
1799 return left;
1800
b95907a7
VT		 1801 if (vif->target_stats.rx_byte) {
1802 sinfo->rx_bytes = vif->target_stats.rx_byte;
319090bf 1803 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64);
b95907a7 1804 sinfo->rx_packets = vif->target_stats.rx_pkt;
319090bf 1805 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);
bdcd8170
KV		 1806 }
1807
b95907a7
VT		 1808 if (vif->target_stats.tx_byte) {
1809 sinfo->tx_bytes = vif->target_stats.tx_byte;
319090bf 1810 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64);
b95907a7 1811 sinfo->tx_packets = vif->target_stats.tx_pkt;
319090bf 1812 sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);
bdcd8170
KV		 1813 }
1814
b95907a7 1815 sinfo->signal = vif->target_stats.cs_rssi;
319090bf 1816 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
bdcd8170 1817
b95907a7 1818 rate = vif->target_stats.tx_ucast_rate;
bdcd8170
KV		 1819
1820 if (is_rate_legacy(rate)) {
1821 sinfo->txrate.legacy = rate / 100;
1822 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1823 if (sgi) {
1824 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1825 sinfo->txrate.mcs = mcs - 1;
1826 } else {
1827 sinfo->txrate.mcs = mcs;
1828 }
1829
1830 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
b51f3bee 1831 sinfo->txrate.bw = RATE_INFO_BW_20;
bdcd8170
KV		 1832 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1833 if (sgi) {
1834 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1835 sinfo->txrate.mcs = mcs - 1;
1836 } else {
1837 sinfo->txrate.mcs = mcs;
1838 }
1839
b51f3bee 1840 sinfo->txrate.bw = RATE_INFO_BW_40;
bdcd8170
KV		 1841 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1842 } else {
9a730834
KV		 1843 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1844 "invalid rate from stats: %d\n", rate);
1845 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
bdcd8170
KV		 1846 return 0;
1847 }
1848
319090bf 1849 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
bdcd8170 1850
59c98449
VT		 1851 if (test_bit(CONNECTED, &vif->flags) &&
1852 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
f5938f24 1853 vif->nw_type == INFRA_NETWORK) {
319090bf 1854 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
32c10874 1855 sinfo->bss_param.flags = 0;
cf5333d7
VT		 1856 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1857 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
32c10874
JM		 1858 }
1859
bdcd8170
KV		 1860 return 0;
1861}
1862
1863static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1864 struct cfg80211_pmksa *pmksa)
1865{
1866 struct ath6kl *ar = ath6kl_priv(netdev);
334234b5
VT		 1867 struct ath6kl_vif *vif = netdev_priv(netdev);
1868
1869 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
bdcd8170
KV		 1870 pmksa->pmkid, true);
1871}
1872
1873static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1874 struct cfg80211_pmksa *pmksa)
1875{
1876 struct ath6kl *ar = ath6kl_priv(netdev);
334234b5
VT		 1877 struct ath6kl_vif *vif = netdev_priv(netdev);
1878
1879 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
bdcd8170
KV		 1880 pmksa->pmkid, false);
1881}
1882
1883static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1884{
1885 struct ath6kl *ar = ath6kl_priv(netdev);
59c98449
VT		 1886 struct ath6kl_vif *vif = netdev_priv(netdev);
1887
1888 if (test_bit(CONNECTED, &vif->flags))
334234b5
VT		 1889 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1890 vif->bssid, NULL, false);
bdcd8170
KV		 1891 return 0;
1892}
1893
d91e8eee
RM		 1894static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1895 struct cfg80211_wowlan *wow, u32 *filter)
6cb3c714 1896{
d91e8eee 1897 int ret, pos;
2c07cf44 1898 u8 mask[WOW_PATTERN_SIZE];
6cb3c714 1899 u16 i;
6cb3c714 1900
d91e8eee 1901 /* Configure the patterns that we received from the user. */
6cb3c714 1902 for (i = 0; i < wow->n_patterns; i++) {
6cb3c714
RM		 1903 /*
1904 * Convert given nl80211 specific mask value to equivalent
1905 * driver specific mask value and send it to the chip along
1906 * with patterns. For example, If the mask value defined in
1907 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1908 * then equivalent driver specific mask value is
1909 * "0xFF 0x00 0xFF 0x00".
1910 */
1911 memset(&mask, 0, sizeof(mask));
1912 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1913 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1914 mask[pos] = 0xFF;
1915 }
1916 /*
1917 * Note: Pattern's offset is not passed as part of wowlan
1918 * parameter from CFG layer. So it's always passed as ZERO
1919 * to the firmware. It means, given WOW patterns are always
1920 * matched from the first byte of received pkt in the firmware.
1921 */
1922 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
d91e8eee
RM		 1923 vif->fw_vif_idx, WOW_LIST_ID,
1924 wow->patterns[i].pattern_len,
1925 0 /* pattern offset */,
1926 wow->patterns[i].pattern, mask);
6cb3c714
RM		 1927 if (ret)
1928 return ret;
1929 }
1930
d91e8eee
RM		 1931 if (wow->disconnect)
1932 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1933
1934 if (wow->magic_pkt)
1935 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1936
1937 if (wow->gtk_rekey_failure)
1938 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1939
1940 if (wow->eap_identity_req)
1941 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1942
1943 if (wow->four_way_handshake)
1944 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1945
1946 return 0;
1947}
1948
1949static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1950{
1951 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1952 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1953 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1954 0x00, 0x08 };
1955 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1956 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1957 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1958 0x00, 0x7f };
1959 u8 unicst_offset = 0;
1960 static const u8 arp_pattern[] = { 0x08, 0x06 };
1961 static const u8 arp_mask[] = { 0xff, 0xff };
1962 u8 arp_offset = 20;
1963 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1964 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1965 u8 discvr_offset = 38;
1966 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1967 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1968 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1969 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1970 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1971 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1972 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1973 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1974 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1975 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1976 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1977 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1978 u8 dhcp_offset = 0;
1979 int ret;
1980
1981 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1982 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1983 vif->fw_vif_idx, WOW_LIST_ID,
1984 sizeof(unicst_pattern), unicst_offset,
1985 unicst_pattern, unicst_mask);
1986 if (ret) {
1987 ath6kl_err("failed to add WOW unicast IP pattern\n");
1988 return ret;
1989 }
1990
1991 /* Setup all ARP pkt pattern */
1992 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1993 vif->fw_vif_idx, WOW_LIST_ID,
1994 sizeof(arp_pattern), arp_offset,
1995 arp_pattern, arp_mask);
1996 if (ret) {
1997 ath6kl_err("failed to add WOW ARP pattern\n");
1998 return ret;
1999 }
2000
2001 /*
2002 * Setup multicast pattern for mDNS 224.0.0.251,
2003 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2004 */
2005 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2006 vif->fw_vif_idx, WOW_LIST_ID,
2007 sizeof(discvr_pattern), discvr_offset,
2008 discvr_pattern, discvr_mask);
2009 if (ret) {
2010 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2011 return ret;
2012 }
2013
2014 /* Setup all DHCP broadcast pkt pattern */
2015 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2016 vif->fw_vif_idx, WOW_LIST_ID,
2017 sizeof(dhcp_pattern), dhcp_offset,
2018 dhcp_pattern, dhcp_mask);
2019 if (ret) {
2020 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2021 return ret;
2022 }
2023
2024 return 0;
2025}
2026
2027static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2028{
2029 struct net_device *ndev = vif->ndev;
2030 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2031 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2032 u8 discvr_offset = 38;
2033 u8 mac_mask[ETH_ALEN];
2034 int ret;
2035
2036 /* Setup unicast pkt pattern */
2037 memset(mac_mask, 0xff, ETH_ALEN);
2038 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2039 vif->fw_vif_idx, WOW_LIST_ID,
2040 ETH_ALEN, 0, ndev->dev_addr,
2041 mac_mask);
2042 if (ret) {
2043 ath6kl_err("failed to add WOW unicast pattern\n");
2044 return ret;
2045 }
2046
2047 /*
2048 * Setup multicast pattern for mDNS 224.0.0.251,
2049 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2050 */
2051 if ((ndev->flags & IFF_ALLMULTI) ||
2052 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2053 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2054 vif->fw_vif_idx, WOW_LIST_ID,
2055 sizeof(discvr_pattern), discvr_offset,
2056 discvr_pattern, discvr_mask);
2057 if (ret) {
cdeb8602 2058 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
d91e8eee
RM		 2059 return ret;
2060 }
2061 }
2062
2063 return 0;
2064}
2065
055bde49
RM		 2066static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2067{
2068 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2069}
2070
2071static bool is_ctrl_ep_empty(struct ath6kl *ar)
2072{
2073 return !ar->tx_pending[ar->ctrl_ep];
2074}
2075
2076static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2077{
2078 int ret, left;
2079
2080 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2081
2082 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2083 ATH6KL_HOST_MODE_ASLEEP);
2084 if (ret)
2085 return ret;
2086
2087 left = wait_event_interruptible_timeout(ar->event_wq,
2088 is_hsleep_mode_procsed(vif),
2089 WMI_TIMEOUT);
2090 if (left == 0) {
2091 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2092 ret = -ETIMEDOUT;
2093 } else if (left < 0) {
2094 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2095 left);
2096 ret = left;
2097 }
2098
2099 if (ar->tx_pending[ar->ctrl_ep]) {
2100 left = wait_event_interruptible_timeout(ar->event_wq,
2101 is_ctrl_ep_empty(ar),
2102 WMI_TIMEOUT);
2103 if (left == 0) {
2104 ath6kl_warn("clear wmi ctrl data timeout\n");
2105 ret = -ETIMEDOUT;
2106 } else if (left < 0) {
2107 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2108 ret = left;
2109 }
2110 }
2111
2112 return ret;
2113}
2114
fd4377b6
TP		 2115static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2116 struct cfg80211_wowlan *wow, u32 *filter)
d91e8eee 2117{
fd4377b6 2118 struct ath6kl *ar = vif->ar;
d91e8eee
RM		 2119 struct in_device *in_dev;
2120 struct in_ifaddr *ifa;
055bde49 2121 int ret;
ce0dc0cf 2122 u16 i, bmiss_time;
d91e8eee 2123 __be32 ips[MAX_IP_ADDRS];
fd4377b6 2124 u8 index = 0;
d91e8eee 2125
6821d4f0
NG		 2126 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2127 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2128 ar->fw_capabilities)) {
6251d801
NG		 2129 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2130 vif->fw_vif_idx, false);
2131 if (ret)
2132 return ret;
2133 }
2134
d91e8eee
RM		 2135 /* Clear existing WOW patterns */
2136 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2137 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2138 WOW_LIST_ID, i);
2139
2140 /*
2141 * Skip the default WOW pattern configuration
2142 * if the driver receives any WOW patterns from
2143 * the user.
2144 */
2145 if (wow)
fd4377b6 2146 ret = ath6kl_wow_usr(ar, vif, wow, filter);
d91e8eee
RM		 2147 else if (vif->nw_type == AP_NETWORK)
2148 ret = ath6kl_wow_ap(ar, vif);
2149 else
2150 ret = ath6kl_wow_sta(ar, vif);
2151
2152 if (ret)
2153 return ret;
2154
390a8c8f
RM		 2155 netif_stop_queue(vif->ndev);
2156
ce0dc0cf
RM		 2157 if (vif->nw_type != AP_NETWORK) {
2158 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2159 ATH6KL_MAX_WOW_LISTEN_INTL,
2160 0);
2161 if (ret)
2162 return ret;
2163
2164 /* Set listen interval x 15 times as bmiss time */
2165 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2166 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2167 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2168
2169 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2170 bmiss_time, 0);
2171 if (ret)
2172 return ret;
2173
2174 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2175 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2176 0, 0, 0, 0);
2177 if (ret)
2178 return ret;
2179 }
2180
c08631c6
RM		 2181 /* Setup own IP addr for ARP agent. */
2182 in_dev = __in_dev_get_rtnl(vif->ndev);
2183 if (!in_dev)
fd4377b6 2184 return 0;
c08631c6
RM		 2185
2186 ifa = in_dev->ifa_list;
2187 memset(&ips, 0, sizeof(ips));
2188
2189 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2190 while (index < MAX_IP_ADDRS && ifa) {
2191 ips[index] = ifa->ifa_local;
2192 ifa = ifa->ifa_next;
2193 index++;
2194 }
2195
2196 if (ifa) {
2197 ath6kl_err("total IP addr count is exceeding fw limit\n");
2198 return -EINVAL;
2199 }
2200
2201 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2202 if (ret) {
2203 ath6kl_err("fail to setup ip for arp agent\n");
2204 return ret;
2205 }
2206
fd4377b6
TP		 2207 return ret;
2208}
2209
2210static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2211{
2212 struct ath6kl_vif *first_vif, *vif;
2213 int ret = 0;
2214 u32 filter = 0;
2215 bool connected = false;
2216
2217 /* enter / leave wow suspend on first vif always */
2218 first_vif = ath6kl_vif_first(ar);
2219 if (WARN_ON(unlikely(!first_vif)) ||
2220 !ath6kl_cfg80211_ready(first_vif))
2221 return -EIO;
2222
2223 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2224 return -EINVAL;
2225
2226 /* install filters for each connected vif */
2227 spin_lock_bh(&ar->list_lock);
2228 list_for_each_entry(vif, &ar->vif_list, list) {
2229 if (!test_bit(CONNECTED, &vif->flags) ||
2230 !ath6kl_cfg80211_ready(vif))
2231 continue;
2232 connected = true;
2233
2234 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2235 if (ret)
2236 break;
2237 }
2238 spin_unlock_bh(&ar->list_lock);
2239
2240 if (!connected)
2241 return -ENOTCONN;
2242 else if (ret)
2243 return ret;
2244
2245 ar->state = ATH6KL_STATE_SUSPENDING;
2246
2247 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
6cb3c714
RM		 2248 ATH6KL_WOW_MODE_ENABLE,
2249 filter,
2250 WOW_HOST_REQ_DELAY);
2251 if (ret)
2252 return ret;
2253
fd4377b6 2254 return ath6kl_cfg80211_host_sleep(ar, first_vif);
6cb3c714
RM		 2255}
2256
fd4377b6 2257static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
6cb3c714 2258{
fd4377b6 2259 struct ath6kl *ar = vif->ar;
6cb3c714
RM		 2260 int ret;
2261
ce0dc0cf
RM		 2262 if (vif->nw_type != AP_NETWORK) {
2263 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2264 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2265 if (ret)
2266 return ret;
2267
2268 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2269 vif->listen_intvl_t, 0);
2270 if (ret)
2271 return ret;
2272
2273 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2274 vif->bmiss_time_t, 0);
2275 if (ret)
2276 return ret;
2277 }
2278
6821d4f0
NG		 2279 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2280 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2281 ar->fw_capabilities)) {
6251d801 2282 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
fd4377b6 2283 vif->fw_vif_idx, true);
6251d801
NG		 2284 if (ret)
2285 return ret;
2286 }
2287
390a8c8f
RM		 2288 netif_wake_queue(vif->ndev);
2289
2290 return 0;
6cb3c714
RM		 2291}
2292
fd4377b6
TP		 2293static int ath6kl_wow_resume(struct ath6kl *ar)
2294{
2295 struct ath6kl_vif *vif;
2296 int ret;
2297
2298 vif = ath6kl_vif_first(ar);
2299 if (WARN_ON(unlikely(!vif)) ||
2300 !ath6kl_cfg80211_ready(vif))
2301 return -EIO;
2302
2303 ar->state = ATH6KL_STATE_RESUMING;
2304
2305 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2306 ATH6KL_HOST_MODE_AWAKE);
2307 if (ret) {
2308 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2309 ret);
2310 goto cleanup;
2311 }
2312
2313 spin_lock_bh(&ar->list_lock);
2314 list_for_each_entry(vif, &ar->vif_list, list) {
2315 if (!test_bit(CONNECTED, &vif->flags) ||
2316 !ath6kl_cfg80211_ready(vif))
2317 continue;
2318 ret = ath6kl_wow_resume_vif(vif);
2319 if (ret)
2320 break;
2321 }
2322 spin_unlock_bh(&ar->list_lock);
2323
2324 if (ret)
2325 goto cleanup;
2326
2327 ar->state = ATH6KL_STATE_ON;
2328 return 0;
2329
2330cleanup:
2331 ar->state = ATH6KL_STATE_WOW;
2332 return ret;
2333}
2334
40abc2de
RM		 2335static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2336{
2337 struct ath6kl_vif *vif;
2338 int ret;
2339
2340 vif = ath6kl_vif_first(ar);
2341 if (!vif)
2342 return -EIO;
2343
48f27587
MJ		 2344 if (!test_bit(WMI_READY, &ar->flag)) {
2345 ath6kl_err("deepsleep failed as wmi is not ready\n");
40abc2de 2346 return -EIO;
48f27587 2347 }
40abc2de
RM		 2348
2349 ath6kl_cfg80211_stop_all(ar);
2350
2351 /* Save the current power mode before enabling power save */
2352 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2353
2354 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2355 if (ret)
2356 return ret;
2357
2358 /* Disable WOW mode */
2359 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2360 ATH6KL_WOW_MODE_DISABLE,
2361 0, 0);
2362 if (ret)
2363 return ret;
2364
2365 /* Flush all non control pkts in TX path */
2366 ath6kl_tx_data_cleanup(ar);
2367
2368 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2369 if (ret)
2370 return ret;
2371
2372 return 0;
2373}
2374
2375static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2376{
2377 struct ath6kl_vif *vif;
2378 int ret;
2379
2380 vif = ath6kl_vif_first(ar);
2381
2382 if (!vif)
2383 return -EIO;
2384
2385 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2386 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2387 ar->wmi->saved_pwr_mode);
2388 if (ret)
2389 return ret;
2390 }
2391
2392 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2393 ATH6KL_HOST_MODE_AWAKE);
2394 if (ret)
2395 return ret;
2396
2397 ar->state = ATH6KL_STATE_ON;
2398
2399 /* Reset scan parameter to default values */
2400 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2401 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2402 if (ret)
2403 return ret;
2404
2405 return 0;
2406}
2407
52d81a68 2408int ath6kl_cfg80211_suspend(struct ath6kl *ar,
0f60e9f4
RM		 2409 enum ath6kl_cfg_suspend_mode mode,
2410 struct cfg80211_wowlan *wow)
52d81a68 2411{
3d79499c 2412 struct ath6kl_vif *vif;
390a8c8f 2413 enum ath6kl_state prev_state;
52d81a68
KV		 2414 int ret;
2415
52d81a68 2416 switch (mode) {
d7c44e0b
RM		 2417 case ATH6KL_CFG_SUSPEND_WOW:
2418
2419 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2420
2421 /* Flush all non control pkts in TX path */
2422 ath6kl_tx_data_cleanup(ar);
2423
390a8c8f
RM		 2424 prev_state = ar->state;
2425
d7c44e0b 2426 ret = ath6kl_wow_suspend(ar, wow);
390a8c8f
RM		 2427 if (ret) {
2428 ar->state = prev_state;
d7c44e0b 2429 return ret;
390a8c8f 2430 }
1e9a905d 2431
d7c44e0b
RM		 2432 ar->state = ATH6KL_STATE_WOW;
2433 break;
2434
52d81a68 2435 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
524441e3 2436
40abc2de 2437 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
52d81a68 2438
40abc2de 2439 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
52d81a68 2440 if (ret) {
40abc2de
RM		 2441 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2442 return ret;
52d81a68
KV		 2443 }
2444
76a9fbe2
KV		 2445 ar->state = ATH6KL_STATE_DEEPSLEEP;
2446
52d81a68 2447 break;
b4b2a0b1
KV		 2448
2449 case ATH6KL_CFG_SUSPEND_CUTPOWER:
524441e3 2450
7125f01d 2451 ath6kl_cfg80211_stop_all(ar);
524441e3 2452
b4b2a0b1
KV		 2453 if (ar->state == ATH6KL_STATE_OFF) {
2454 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2455 "suspend hw off, no action for cutpower\n");
2456 break;
2457 }
2458
2459 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2460
2461 ret = ath6kl_init_hw_stop(ar);
2462 if (ret) {
2463 ath6kl_warn("failed to stop hw during suspend: %d\n",
2464 ret);
2465 }
2466
2467 ar->state = ATH6KL_STATE_CUTPOWER;
2468
2469 break;
2470
2471 default:
2472 break;
52d81a68
KV		 2473 }
2474
3d79499c
VN		 2475 list_for_each_entry(vif, &ar->vif_list, list)
2476 ath6kl_cfg80211_scan_complete_event(vif, true);
2477
52d81a68
KV		 2478 return 0;
2479}
d6a434d6 2480EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
52d81a68
KV		 2481
2482int ath6kl_cfg80211_resume(struct ath6kl *ar)
2483{
76a9fbe2
KV		 2484 int ret;
2485
2486 switch (ar->state) {
d7c44e0b
RM		 2487 case ATH6KL_STATE_WOW:
2488 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2489
2490 ret = ath6kl_wow_resume(ar);
2491 if (ret) {
2492 ath6kl_warn("wow mode resume failed: %d\n", ret);
2493 return ret;
2494 }
2495
d7c44e0b
RM		 2496 break;
2497
76a9fbe2 2498 case ATH6KL_STATE_DEEPSLEEP:
40abc2de 2499 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
76a9fbe2 2500
40abc2de
RM		 2501 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2502 if (ret) {
2503 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2504 return ret;
2505 }
76a9fbe2
KV		 2506 break;
2507
b4b2a0b1
KV		 2508 case ATH6KL_STATE_CUTPOWER:
2509 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2510
2511 ret = ath6kl_init_hw_start(ar);
2512 if (ret) {
2513 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2514 return ret;
2515 }
d7c44e0b 2516 break;
b4b2a0b1 2517
76a9fbe2
KV		 2518 default:
2519 break;
52d81a68
KV		 2520 }
2521
2522 return 0;
2523}
d6a434d6 2524EXPORT_SYMBOL(ath6kl_cfg80211_resume);
52d81a68 2525
abcb344b 2526#ifdef CONFIG_PM
52d81a68
KV		 2527
2528/* hif layer decides what suspend mode to use */
2529static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
abcb344b
KV		 2530 struct cfg80211_wowlan *wow)
2531{
2532 struct ath6kl *ar = wiphy_priv(wiphy);
2533
84caf800
VT		 2534 ath6kl_recovery_suspend(ar);
2535
0f60e9f4 2536 return ath6kl_hif_suspend(ar, wow);
abcb344b 2537}
aa6cffc1 2538
52d81a68 2539static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
aa6cffc1
CN		 2540{
2541 struct ath6kl *ar = wiphy_priv(wiphy);
84caf800
VT		 2542 int err;
2543
2544 err = ath6kl_hif_resume(ar);
2545 if (err)
2546 return err;
aa6cffc1 2547
92332993 2548 ath6kl_recovery_resume(ar);
aa6cffc1 2549
84caf800 2550 return 0;
aa6cffc1 2551}
a918fb3c
RM		 2552
2553/*
2554 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2555 * both sdio irq wake up and keep power. The target pulls sdio data line to
2556 * wake up the host when WOW pattern matches. This causes sdio irq handler
2557 * is being called in the host side which internally hits ath6kl's RX path.
2558 *
2559 * Since sdio interrupt is not disabled, RX path executes even before
2560 * the host executes the actual resume operation from PM module.
2561 *
2562 * In the current scenario, WOW resume should happen before start processing
2563 * any data from the target. So It's required to perform WOW resume in RX path.
2564 * Ideally we should perform WOW resume only in the actual platform
2565 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2566 *
2567 * ath6kl_check_wow_status() is called from ath6kl_rx().
2568 */
2569void ath6kl_check_wow_status(struct ath6kl *ar)
2570{
390a8c8f
RM		 2571 if (ar->state == ATH6KL_STATE_SUSPENDING)
2572 return;
2573
a918fb3c
RM		 2574 if (ar->state == ATH6KL_STATE_WOW)
2575 ath6kl_cfg80211_resume(ar);
2576}
2577
2578#else
2579
2580void ath6kl_check_wow_status(struct ath6kl *ar)
2581{
2582}
abcb344b
KV		 2583#endif
2584
df90b369
VT		 2585static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2586 bool ht_enable)
6a7c9bad 2587{
67b3f129 2588 struct ath6kl_htcap *htcap = &vif->htcap[band];
6a7c9bad 2589
df90b369
VT		 2590 if (htcap->ht_enable == ht_enable)
2591 return 0;
6a7c9bad 2592
df90b369
VT		 2593 if (ht_enable) {
2594 /* Set default ht capabilities */
2595 htcap->ht_enable = true;
2596 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2597 ath6kl_g_htcap : ath6kl_a_htcap;
2598 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2599 } else /* Disable ht */
2600 memset(htcap, 0, sizeof(*htcap));
6a7c9bad 2601
df90b369
VT		 2602 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2603 band, htcap);
6a7c9bad
JM		 2604}
2605
37a2f950
TP		 2606static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2607{
2608 struct wiphy *wiphy = vif->ar->wiphy;
2609 int band, ret = 0;
2610
2611 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2612 if (!wiphy->bands[band])
2613 continue;
2614
2615 ret = ath6kl_set_htcap(vif, band,
2616 wiphy->bands[band]->ht_cap.ht_supported);
2617 if (ret)
2618 return ret;
2619 }
2620
2621 return ret;
2622}
2623
8bdfbf40
JM		 2624static bool ath6kl_is_p2p_ie(const u8 *pos)
2625{
2626 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2627 pos[2] == 0x50 && pos[3] == 0x6f &&
2628 pos[4] == 0x9a && pos[5] == 0x09;
2629}
2630
334234b5
VT		 2631static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2632 const u8 *ies, size_t ies_len)
8bdfbf40 2633{
334234b5 2634 struct ath6kl *ar = vif->ar;
8bdfbf40
JM		 2635 const u8 *pos;
2636 u8 *buf = NULL;
2637 size_t len = 0;
2638 int ret;
2639
2640 /*
2641 * Filter out P2P IE(s) since they will be included depending on
2642 * the Probe Request frame in ath6kl_send_go_probe_resp().
2643 */
2644
2645 if (ies && ies_len) {
2646 buf = kmalloc(ies_len, GFP_KERNEL);
2647 if (buf == NULL)
2648 return -ENOMEM;
2649 pos = ies;
2650 while (pos + 1 < ies + ies_len) {
2651 if (pos + 2 + pos[1] > ies + ies_len)
2652 break;
2653 if (!ath6kl_is_p2p_ie(pos)) {
2654 memcpy(buf + len, pos, 2 + pos[1]);
2655 len += 2 + pos[1];
2656 }
2657 pos += 2 + pos[1];
2658 }
2659 }
2660
334234b5
VT		 2661 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2662 WMI_FRAME_PROBE_RESP, buf, len);
8bdfbf40
JM		 2663 kfree(buf);
2664 return ret;
2665}
2666
8860020e
JB		 2667static int ath6kl_set_ies(struct ath6kl_vif *vif,
2668 struct cfg80211_beacon_data *info)
6a7c9bad 2669{
8860020e 2670 struct ath6kl *ar = vif->ar;
6a7c9bad 2671 int res;
6a7c9bad 2672
17a7b16d
AT		 2673 /* this also clears IE in fw if it's not set */
2674 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2675 WMI_FRAME_BEACON,
2676 info->beacon_ies,
2677 info->beacon_ies_len);
2678 if (res)
2679 return res;
2680
2681 /* this also clears IE in fw if it's not set */
2682 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2683 info->proberesp_ies_len);
2684 if (res)
2685 return res;
2686
2687 /* this also clears IE in fw if it's not set */
2688 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2689 WMI_FRAME_ASSOC_RESP,
2690 info->assocresp_ies,
2691 info->assocresp_ies_len);
2692 if (res)
2693 return res;
6a7c9bad 2694
8860020e
JB		 2695 return 0;
2696}
2697
d97c121b
VT		 2698static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2699 u8 *rsn_capab)
2700{
2701 const u8 *rsn_ie;
2702 size_t rsn_ie_len;
2703 u16 cnt;
2704
2705 if (!beacon->tail)
2706 return -EINVAL;
2707
2708 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2709 if (!rsn_ie)
2710 return -EINVAL;
2711
2712 rsn_ie_len = *(rsn_ie + 1);
2713 /* skip element id and length */
2714 rsn_ie += 2;
2715
9e8b16db
VT		 2716 /* skip version */
2717 if (rsn_ie_len < 2)
d97c121b 2718 return -EINVAL;
9e8b16db
VT		 2719 rsn_ie += 2;
2720 rsn_ie_len -= 2;
2721
2722 /* skip group cipher suite */
2723 if (rsn_ie_len < 4)
2724 return 0;
2725 rsn_ie += 4;
2726 rsn_ie_len -= 4;
d97c121b
VT		 2727
2728 /* skip pairwise cipher suite */
2729 if (rsn_ie_len < 2)
9e8b16db 2730 return 0;
798985c6 2731 cnt = get_unaligned_le16(rsn_ie);
d97c121b
VT		 2732 rsn_ie += (2 + cnt * 4);
2733 rsn_ie_len -= (2 + cnt * 4);
2734
2735 /* skip akm suite */
2736 if (rsn_ie_len < 2)
9e8b16db 2737 return 0;
798985c6 2738 cnt = get_unaligned_le16(rsn_ie);
d97c121b
VT		 2739 rsn_ie += (2 + cnt * 4);
2740 rsn_ie_len -= (2 + cnt * 4);
2741
2742 if (rsn_ie_len < 2)
9e8b16db 2743 return 0;
d97c121b
VT		 2744
2745 memcpy(rsn_capab, rsn_ie, 2);
2746
2747 return 0;
2748}
2749
8860020e
JB		 2750static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2751 struct cfg80211_ap_settings *info)
6a7c9bad
JM		 2752{
2753 struct ath6kl *ar = ath6kl_priv(dev);
3450334f 2754 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2755 struct ieee80211_mgmt *mgmt;
67cd22e4 2756 bool hidden = false;
6a7c9bad
JM		 2757 u8 *ies;
2758 int ies_len;
2759 struct wmi_connect_cmd p;
2760 int res;
be5abaaf 2761 int i, ret;
d97c121b 2762 u16 rsn_capab = 0;
7ac25eac 2763 int inactivity_timeout = 0;
6a7c9bad 2764
8860020e 2765 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
6a7c9bad 2766
990bd915 2767 if (!ath6kl_cfg80211_ready(vif))
6a7c9bad
JM		 2768 return -EIO;
2769
f5938f24 2770 if (vif->next_mode != AP_NETWORK)
6a7c9bad
JM		 2771 return -EOPNOTSUPP;
2772
8860020e 2773 res = ath6kl_set_ies(vif, &info->beacon);
6a7c9bad 2774
9a5b1318
JM		 2775 ar->ap_mode_bkey.valid = false;
2776
eb922e4b
MSS		 2777 ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx,
2778 info->beacon_interval);
2779
2780 if (ret)
2781 ath6kl_warn("Failed to set beacon interval: %d\n", ret);
6a7c9bad 2782
d154f32e
EL		 2783 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2784 info->dtim_period);
2785
2786 /* ignore error, just print a warning and continue normally */
2787 if (ret)
2788 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2789
8860020e 2790 if (info->beacon.head == NULL)
6a7c9bad 2791 return -EINVAL;
8860020e 2792 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
6a7c9bad 2793 ies = mgmt->u.beacon.variable;
8860020e 2794 if (ies > info->beacon.head + info->beacon.head_len)
6a7c9bad 2795 return -EINVAL;
8860020e 2796 ies_len = info->beacon.head + info->beacon.head_len - ies;
6a7c9bad
JM		 2797
2798 if (info->ssid == NULL)
2799 return -EINVAL;
3450334f
VT		 2800 memcpy(vif->ssid, info->ssid, info->ssid_len);
2801 vif->ssid_len = info->ssid_len;
6a7c9bad 2802 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
67cd22e4
TP		 2803 hidden = true;
2804
2805 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2806 if (res)
2807 return res;
6a7c9bad 2808
be5abaaf
VT		 2809 ret = ath6kl_set_auth_type(vif, info->auth_type);
2810 if (ret)
2811 return ret;
6a7c9bad
JM		 2812
2813 memset(&p, 0, sizeof(p));
2814
2815 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2816 switch (info->crypto.akm_suites[i]) {
2817 case WLAN_AKM_SUITE_8021X:
2818 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2819 p.auth_mode |= WPA_AUTH;
2820 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2821 p.auth_mode |= WPA2_AUTH;
2822 break;
2823 case WLAN_AKM_SUITE_PSK:
2824 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2825 p.auth_mode |= WPA_PSK_AUTH;
2826 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2827 p.auth_mode |= WPA2_PSK_AUTH;
2828 break;
2829 }
2830 }
2831 if (p.auth_mode == 0)
2832 p.auth_mode = NONE_AUTH;
3450334f 2833 vif->auth_mode = p.auth_mode;
6a7c9bad
JM		 2834
2835 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2836 switch (info->crypto.ciphers_pairwise[i]) {
2837 case WLAN_CIPHER_SUITE_WEP40:
2838 case WLAN_CIPHER_SUITE_WEP104:
2839 p.prwise_crypto_type |= WEP_CRYPT;
2840 break;
2841 case WLAN_CIPHER_SUITE_TKIP:
2842 p.prwise_crypto_type |= TKIP_CRYPT;
2843 break;
2844 case WLAN_CIPHER_SUITE_CCMP:
2845 p.prwise_crypto_type |= AES_CRYPT;
2846 break;
b8214df1
DS		 2847 case WLAN_CIPHER_SUITE_SMS4:
2848 p.prwise_crypto_type |= WAPI_CRYPT;
2849 break;
6a7c9bad
JM		 2850 }
2851 }
229ed6b5 2852 if (p.prwise_crypto_type == 0) {
6a7c9bad 2853 p.prwise_crypto_type = NONE_CRYPT;
240d2799 2854 ath6kl_set_cipher(vif, 0, true);
a5d8f9df 2855 } else if (info->crypto.n_ciphers_pairwise == 1) {
240d2799 2856 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
a5d8f9df 2857 }
6a7c9bad
JM		 2858
2859 switch (info->crypto.cipher_group) {
2860 case WLAN_CIPHER_SUITE_WEP40:
2861 case WLAN_CIPHER_SUITE_WEP104:
2862 p.grp_crypto_type = WEP_CRYPT;
2863 break;
2864 case WLAN_CIPHER_SUITE_TKIP:
2865 p.grp_crypto_type = TKIP_CRYPT;
2866 break;
2867 case WLAN_CIPHER_SUITE_CCMP:
2868 p.grp_crypto_type = AES_CRYPT;
2869 break;
b8214df1
DS		 2870 case WLAN_CIPHER_SUITE_SMS4:
2871 p.grp_crypto_type = WAPI_CRYPT;
2872 break;
6a7c9bad
JM		 2873 default:
2874 p.grp_crypto_type = NONE_CRYPT;
2875 break;
2876 }
240d2799 2877 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
6a7c9bad
JM		 2878
2879 p.nw_type = AP_NETWORK;
f5938f24 2880 vif->nw_type = vif->next_mode;
6a7c9bad 2881
3450334f
VT		 2882 p.ssid_len = vif->ssid_len;
2883 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2884 p.dot11_auth_mode = vif->dot11_auth_mode;
683b6d3b 2885 p.ch = cpu_to_le16(info->chandef.chan->center_freq);
6a7c9bad 2886
c1762a3f
TP		 2887 /* Enable uAPSD support by default */
2888 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2889 if (res < 0)
2890 return res;
2891
3ca9d1fc
AT		 2892 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2893 p.nw_subtype = SUBTYPE_P2PGO;
2894 } else {
2895 /*
2896 * Due to firmware limitation, it is not possible to
2897 * do P2P mgmt operations in AP mode
2898 */
2899 p.nw_subtype = SUBTYPE_NONE;
2900 }
2901
03bdeb0d 2902 if (info->inactivity_timeout) {
7ac25eac
MSS		 2903 inactivity_timeout = info->inactivity_timeout;
2904
eba95bce
KV		 2905 if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
2906 ar->fw_capabilities))
7ac25eac
MSS		 2907 inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
2908 60);
2909
03bdeb0d 2910 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
7ac25eac 2911 inactivity_timeout);
03bdeb0d
VT		 2912 if (res < 0)
2913 return res;
2914 }
2915
683b6d3b
JB		 2916 if (ath6kl_set_htcap(vif, info->chandef.chan->band,
2917 cfg80211_get_chandef_type(&info->chandef)
2918 != NL80211_CHAN_NO_HT))
df90b369
VT		 2919 return -EIO;
2920
d97c121b
VT		 2921 /*
2922 * Get the PTKSA replay counter in the RSN IE. Supplicant
2923 * will use the RSN IE in M3 message and firmware has to
2924 * advertise the same in beacon/probe response. Send
2925 * the complete RSN IE capability field to firmware
2926 */
2927 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2928 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2929 ar->fw_capabilities)) {
2930 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2931 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2932 (const u8 *) &rsn_capab,
2933 sizeof(rsn_capab));
f21243a8 2934 vif->rsn_capab = rsn_capab;
d97c121b
VT		 2935 if (res < 0)
2936 return res;
2937 }
2938
c4f7863e 2939 memcpy(&vif->profile, &p, sizeof(p));
334234b5 2940 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
9a5b1318
JM		 2941 if (res < 0)
2942 return res;
2943
2944 return 0;
6a7c9bad
JM		 2945}
2946
8860020e
JB		 2947static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2948 struct cfg80211_beacon_data *beacon)
6a7c9bad 2949{
8860020e 2950 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2951
8860020e
JB		 2952 if (!ath6kl_cfg80211_ready(vif))
2953 return -EIO;
2954
2955 if (vif->next_mode != AP_NETWORK)
2956 return -EOPNOTSUPP;
2957
2958 return ath6kl_set_ies(vif, beacon);
6a7c9bad
JM		 2959}
2960
8860020e 2961static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
6a7c9bad
JM		 2962{
2963 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 2964 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2965
f5938f24 2966 if (vif->nw_type != AP_NETWORK)
6a7c9bad 2967 return -EOPNOTSUPP;
59c98449 2968 if (!test_bit(CONNECTED, &vif->flags))
6a7c9bad
JM		 2969 return -ENOTCONN;
2970
334234b5 2971 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
59c98449 2972 clear_bit(CONNECTED, &vif->flags);
6a7c9bad 2973
df90b369 2974 /* Restore ht setting in firmware */
37a2f950 2975 return ath6kl_restore_htcap(vif);
6a7c9bad
JM		 2976}
2977
33e5308d
JM		 2978static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2979
2980static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 2981 struct station_del_parameters *params)
33e5308d
JM		 2982{
2983 struct ath6kl *ar = ath6kl_priv(dev);
2984 struct ath6kl_vif *vif = netdev_priv(dev);
89c771e5 2985 const u8 *addr = params->mac ? params->mac : bcast_addr;
33e5308d
JM		 2986
2987 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2988 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2989}
2990
23875136 2991static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 2992 const u8 *mac,
2993 struct station_parameters *params)
23875136
JM		 2994{
2995 struct ath6kl *ar = ath6kl_priv(dev);
f5938f24 2996 struct ath6kl_vif *vif = netdev_priv(dev);
77ee7c89 2997 int err;
23875136 2998
f5938f24 2999 if (vif->nw_type != AP_NETWORK)
23875136
JM		 3000 return -EOPNOTSUPP;
3001
77ee7c89
JB		 3002 err = cfg80211_check_station_change(wiphy, params,
3003 CFG80211_STA_AP_MLME_CLIENT);
3004 if (err)
3005 return err;
23875136
JM		 3006
3007 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
334234b5
VT		 3008 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3009 WMI_AP_MLME_AUTHORIZE, mac, 0);
3010 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3011 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
23875136
JM		 3012}
3013
63fa1e0c 3014static int ath6kl_remain_on_channel(struct wiphy *wiphy,
71bbc994 3015 struct wireless_dev *wdev,
63fa1e0c 3016 struct ieee80211_channel *chan,
63fa1e0c
JM		 3017 unsigned int duration,
3018 u64 *cookie)
3019{
71bbc994
JB		 3020 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3021 struct ath6kl *ar = ath6kl_priv(vif->ndev);
1052261e 3022 u32 id;
63fa1e0c
JM		 3023
3024 /* TODO: if already pending or ongoing remain-on-channel,
3025 * return -EBUSY */
1052261e
JM		 3026 id = ++vif->last_roc_id;
3027 if (id == 0) {
3028 /* Do not use 0 as the cookie value */
3029 id = ++vif->last_roc_id;
3030 }
3031 *cookie = id;
63fa1e0c 3032
334234b5
VT		 3033 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3034 chan->center_freq, duration);
63fa1e0c
JM		 3035}
3036
3037static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 3038 struct wireless_dev *wdev,
63fa1e0c
JM		 3039 u64 cookie)
3040{
71bbc994
JB		 3041 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3042 struct ath6kl *ar = ath6kl_priv(vif->ndev);
63fa1e0c 3043
1052261e 3044 if (cookie != vif->last_roc_id)
63fa1e0c 3045 return -ENOENT;
1052261e 3046 vif->last_cancel_roc_id = cookie;
63fa1e0c 3047
334234b5 3048 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
63fa1e0c
JM		 3049}
3050
334234b5
VT		 3051static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3052 const u8 *buf, size_t len,
3053 unsigned int freq)
8bdfbf40 3054{
334234b5 3055 struct ath6kl *ar = vif->ar;
8bdfbf40
JM		 3056 const u8 *pos;
3057 u8 *p2p;
3058 int p2p_len;
3059 int ret;
3060 const struct ieee80211_mgmt *mgmt;
3061
3062 mgmt = (const struct ieee80211_mgmt *) buf;
3063
3064 /* Include P2P IE(s) from the frame generated in user space. */
3065
3066 p2p = kmalloc(len, GFP_KERNEL);
3067 if (p2p == NULL)
3068 return -ENOMEM;
3069 p2p_len = 0;
3070
3071 pos = mgmt->u.probe_resp.variable;
3072 while (pos + 1 < buf + len) {
3073 if (pos + 2 + pos[1] > buf + len)
3074 break;
3075 if (ath6kl_is_p2p_ie(pos)) {
3076 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3077 p2p_len += 2 + pos[1];
3078 }
3079 pos += 2 + pos[1];
3080 }
3081
334234b5
VT		 3082 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3083 mgmt->da, p2p, p2p_len);
8bdfbf40
JM		 3084 kfree(p2p);
3085 return ret;
3086}
3087
d0ff7383
NG		 3088static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3089 u32 id,
3090 u32 freq,
3091 u32 wait,
3092 const u8 *buf,
3093 size_t len,
3094 bool *more_data,
3095 bool no_cck)
3096{
3097 struct ieee80211_mgmt *mgmt;
3098 struct ath6kl_sta *conn;
3099 bool is_psq_empty = false;
3100 struct ath6kl_mgmt_buff *mgmt_buf;
3101 size_t mgmt_buf_size;
3102 struct ath6kl *ar = vif->ar;
3103
3104 mgmt = (struct ieee80211_mgmt *) buf;
3105 if (is_multicast_ether_addr(mgmt->da))
3106 return false;
3107
3108 conn = ath6kl_find_sta(vif, mgmt->da);
3109 if (!conn)
3110 return false;
3111
3112 if (conn->sta_flags & STA_PS_SLEEP) {
3113 if (!(conn->sta_flags & STA_PS_POLLED)) {
3114 /* Queue the frames if the STA is sleeping */
3115 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3116 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3117 if (!mgmt_buf)
3118 return false;
3119
3120 INIT_LIST_HEAD(&mgmt_buf->list);
3121 mgmt_buf->id = id;
3122 mgmt_buf->freq = freq;
3123 mgmt_buf->wait = wait;
3124 mgmt_buf->len = len;
3125 mgmt_buf->no_cck = no_cck;
3126 memcpy(mgmt_buf->buf, buf, len);
3127 spin_lock_bh(&conn->psq_lock);
3128 is_psq_empty = skb_queue_empty(&conn->psq) &&
3129 (conn->mgmt_psq_len == 0);
3130 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3131 conn->mgmt_psq_len++;
3132 spin_unlock_bh(&conn->psq_lock);
3133
3134 /*
3135 * If this is the first pkt getting queued
3136 * for this STA, update the PVB for this
3137 * STA.
3138 */
3139 if (is_psq_empty)
3140 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3141 conn->aid, 1);
3142 return true;
3143 }
3144
3145 /*
3146 * This tx is because of a PsPoll.
3147 * Determine if MoreData bit has to be set.
3148 */
3149 spin_lock_bh(&conn->psq_lock);
3150 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3151 *more_data = true;
3152 spin_unlock_bh(&conn->psq_lock);
3153 }
3154
3155 return false;
3156}
3157
c86e4f44
AT		 3158/* Check if SSID length is greater than DIRECT- */
3159static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3160{
3161 const struct ieee80211_mgmt *mgmt;
3162 mgmt = (const struct ieee80211_mgmt *) buf;
3163
3164 /* variable[1] contains the SSID tag length */
3165 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3166 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3167 return true;
3168 }
3169
3170 return false;
3171}
3172
71bbc994 3173static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 3174 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
8a6c8060 3175{
71bbc994
JB		 3176 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3177 struct ath6kl *ar = ath6kl_priv(vif->ndev);
b176e629
AO		 3178 struct ieee80211_channel *chan = params->chan;
3179 const u8 *buf = params->buf;
3180 size_t len = params->len;
3181 unsigned int wait = params->wait;
3182 bool no_cck = params->no_cck;
bfd634d0 3183 u32 id, freq;
8bdfbf40 3184 const struct ieee80211_mgmt *mgmt;
d0ff7383 3185 bool more_data, queued;
8bdfbf40 3186
bfd634d0
AQ		 3187 /* default to the current channel, but use the one specified as argument
3188 * if any
3189 */
3190 freq = vif->ch_hint;
3191 if (chan)
3192 freq = chan->center_freq;
3193
3194 /* never send freq zero to the firmware */
3195 if (WARN_ON(freq == 0))
3196 return -EINVAL;
3197
8bdfbf40 3198 mgmt = (const struct ieee80211_mgmt *) buf;
c86e4f44
AT		 3199 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3200 ieee80211_is_probe_resp(mgmt->frame_control) &&
3201 ath6kl_is_p2p_go_ssid(buf, len)) {
8bdfbf40 3202 /*
c86e4f44 3203 * Send Probe Response frame in GO mode using a separate WMI
8bdfbf40
JM		 3204 * command to allow the target to fill in the generic IEs.
3205 */
3206 *cookie = 0; /* TX status not supported */
bfd634d0 3207 return ath6kl_send_go_probe_resp(vif, buf, len, freq);
8bdfbf40 3208 }
8a6c8060 3209
cf5333d7 3210 id = vif->send_action_id++;
8a6c8060
JM		 3211 if (id == 0) {
3212 /*
3213 * 0 is a reserved value in the WMI command and shall not be
3214 * used for the command.
3215 */
cf5333d7 3216 id = vif->send_action_id++;
8a6c8060
JM		 3217 }
3218
3219 *cookie = id;
3ca9d1fc 3220
d0ff7383
NG		 3221 /* AP mode Power saving processing */
3222 if (vif->nw_type == AP_NETWORK) {
bfd634d0
AQ		 3223 queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len,
3224 &more_data, no_cck);
d0ff7383
NG		 3225 if (queued)
3226 return 0;
3ca9d1fc 3227 }
d0ff7383 3228
bfd634d0
AQ		 3229 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq,
3230 wait, buf, len, no_cck);
8a6c8060
JM		 3231}
3232
ae32c30a 3233static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3234 struct wireless_dev *wdev,
ae32c30a
JM		 3235 u16 frame_type, bool reg)
3236{
71bbc994 3237 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
ae32c30a
JM		 3238
3239 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3240 __func__, frame_type, reg);
3241 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3242 /*
3243 * Note: This notification callback is not allowed to sleep, so
3244 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3245 * hardcode target to report Probe Request frames all the time.
3246 */
cf5333d7 3247 vif->probe_req_report = reg;
ae32c30a
JM		 3248 }
3249}
3250
10509f90
KV		 3251static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3252 struct net_device *dev,
3253 struct cfg80211_sched_scan_request *request)
3254{
3255 struct ath6kl *ar = ath6kl_priv(dev);
3256 struct ath6kl_vif *vif = netdev_priv(dev);
3257 u16 interval;
85b20fc2 3258 int ret, rssi_thold;
ea73cbce
JB		 3259 int n_match_sets = request->n_match_sets;
3260
3261 /*
3262 * If there's a matchset w/o an SSID, then assume it's just for
3263 * the RSSI (nothing else is currently supported) and ignore it.
3264 * The device only supports a global RSSI filter that we set below.
3265 */
3266 if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len)
3267 n_match_sets = 0;
10509f90
KV		 3268
3269 if (ar->state != ATH6KL_STATE_ON)
3270 return -EIO;
3271
3272 if (vif->sme_state != SME_DISCONNECTED)
3273 return -EBUSY;
3274
b4d13d3b
KV		 3275 ath6kl_cfg80211_scan_complete_event(vif, true);
3276
3b8ffc6a 3277 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
dd45b759
NS		 3278 request->n_ssids,
3279 request->match_sets,
ea73cbce 3280 n_match_sets);
3b8ffc6a
JM		 3281 if (ret < 0)
3282 return ret;
10509f90 3283
ea73cbce 3284 if (!n_match_sets) {
dd45b759
NS		 3285 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3286 ALL_BSS_FILTER, 0);
3287 if (ret < 0)
3288 return ret;
3289 } else {
3290 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3291 MATCHED_SSID_FILTER, 0);
3292 if (ret < 0)
3293 return ret;
3294 }
3295
85b20fc2
TP		 3296 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3297 ar->fw_capabilities)) {
ea73cbce 3298 if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
85b20fc2 3299 rssi_thold = 0;
ea73cbce 3300 else if (request->min_rssi_thold < -127)
85b20fc2
TP		 3301 rssi_thold = -127;
3302 else
ea73cbce 3303 rssi_thold = request->min_rssi_thold;
85b20fc2
TP		 3304
3305 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3306 rssi_thold);
3307 if (ret) {
3308 ath6kl_err("failed to set RSSI threshold for scan\n");
3309 return ret;
3310 }
3311 }
3312
10509f90
KV		 3313 /* fw uses seconds, also make sure that it's >0 */
3314 interval = max_t(u16, 1, request->interval / 1000);
3315
3316 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3317 interval, interval,
d472b5e4 3318 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
10509f90 3319
10509f90
KV		 3320 /* this also clears IE in fw if it's not set */
3321 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3322 WMI_FRAME_PROBE_REQ,
3323 request->ie, request->ie_len);
3324 if (ret) {
f1ff32e8 3325 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
10509f90
KV		 3326 ret);
3327 return ret;
3328 }
3329
b1f47e3a
TP		 3330 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3331 if (ret)
10509f90 3332 return ret;
10509f90 3333
b1f47e3a 3334 set_bit(SCHED_SCANNING, &vif->flags);
10509f90 3335
b1f47e3a 3336 return 0;
10509f90
KV		 3337}
3338
3339static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3340 struct net_device *dev)
3341{
3342 struct ath6kl_vif *vif = netdev_priv(dev);
3343 bool stopped;
3344
3345 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3346
3347 if (!stopped)
3348 return -EIO;
3349
3350 return 0;
3351}
3352
06e360ac
BS		 3353static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3354 struct net_device *dev,
3355 const u8 *addr,
3356 const struct cfg80211_bitrate_mask *mask)
3357{
3358 struct ath6kl *ar = ath6kl_priv(dev);
3359 struct ath6kl_vif *vif = netdev_priv(dev);
3360
3361 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3362 mask);
3363}
3364
279b2862
TP		 3365static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3366 struct net_device *dev,
3367 u32 rate, u32 pkts, u32 intvl)
3368{
3369 struct ath6kl *ar = ath6kl_priv(dev);
3370 struct ath6kl_vif *vif = netdev_priv(dev);
3371
3372 if (vif->nw_type != INFRA_NETWORK ||
3373 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3374 return -EOPNOTSUPP;
3375
3376 if (vif->sme_state != SME_CONNECTED)
3377 return -ENOTCONN;
3378
3379 /* save this since the firmware won't report the interval */
3380 vif->txe_intvl = intvl;
3381
3382 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3383 rate, pkts, intvl);
3384}
3385
f80574ae
JM		 3386static const struct ieee80211_txrx_stypes
3387ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3388 [NL80211_IFTYPE_STATION] = {
3389 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3390 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3391 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3392 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3393 },
ba1f6fe3
JM		 3394 [NL80211_IFTYPE_AP] = {
3395 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3396 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3397 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3398 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3399 },
f80574ae
JM		 3400 [NL80211_IFTYPE_P2P_CLIENT] = {
3401 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3402 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3403 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3404 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3405 },
3406 [NL80211_IFTYPE_P2P_GO] = {
3407 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3408 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3409 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3410 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3411 },
3412};
3413
bdcd8170 3414static struct cfg80211_ops ath6kl_cfg80211_ops = {
55055976
VT		 3415 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3416 .del_virtual_intf = ath6kl_cfg80211_del_iface,
bdcd8170
KV		 3417 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3418 .scan = ath6kl_cfg80211_scan,
3419 .connect = ath6kl_cfg80211_connect,
3420 .disconnect = ath6kl_cfg80211_disconnect,
3421 .add_key = ath6kl_cfg80211_add_key,
3422 .get_key = ath6kl_cfg80211_get_key,
3423 .del_key = ath6kl_cfg80211_del_key,
3424 .set_default_key = ath6kl_cfg80211_set_default_key,
3425 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3426 .set_tx_power = ath6kl_cfg80211_set_txpower,
3427 .get_tx_power = ath6kl_cfg80211_get_txpower,
3428 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3429 .join_ibss = ath6kl_cfg80211_join_ibss,
3430 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3431 .get_station = ath6kl_get_station,
3432 .set_pmksa = ath6kl_set_pmksa,
3433 .del_pmksa = ath6kl_del_pmksa,
3434 .flush_pmksa = ath6kl_flush_pmksa,
003353b0 3435 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
abcb344b 3436#ifdef CONFIG_PM
52d81a68
KV		 3437 .suspend = __ath6kl_cfg80211_suspend,
3438 .resume = __ath6kl_cfg80211_resume,
abcb344b 3439#endif
8860020e
JB		 3440 .start_ap = ath6kl_start_ap,
3441 .change_beacon = ath6kl_change_beacon,
3442 .stop_ap = ath6kl_stop_ap,
33e5308d 3443 .del_station = ath6kl_del_station,
23875136 3444 .change_station = ath6kl_change_station,
63fa1e0c
JM		 3445 .remain_on_channel = ath6kl_remain_on_channel,
3446 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
8a6c8060 3447 .mgmt_tx = ath6kl_mgmt_tx,
ae32c30a 3448 .mgmt_frame_register = ath6kl_mgmt_frame_register,
10509f90
KV		 3449 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3450 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
06e360ac 3451 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
279b2862 3452 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
bdcd8170
KV		 3453};
3454
7125f01d 3455void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
ec4b7f60 3456{
10509f90
KV		 3457 ath6kl_cfg80211_sscan_disable(vif);
3458
ec4b7f60 3459 switch (vif->sme_state) {
c97a31b0
KV		 3460 case SME_DISCONNECTED:
3461 break;
ec4b7f60
KV		 3462 case SME_CONNECTING:
3463 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3464 NULL, 0,
3465 WLAN_STATUS_UNSPECIFIED_FAILURE,
3466 GFP_KERNEL);
3467 break;
3468 case SME_CONNECTED:
ec4b7f60
KV		 3469 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3470 break;
3471 }
3472
58109df6
VT		 3473 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3474 (test_bit(CONNECTED, &vif->flags) ||
3475 test_bit(CONNECT_PEND, &vif->flags)))
7125f01d 3476 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
ec4b7f60
KV		 3477
3478 vif->sme_state = SME_DISCONNECTED;
1f405255
KV		 3479 clear_bit(CONNECTED, &vif->flags);
3480 clear_bit(CONNECT_PEND, &vif->flags);
ec4b7f60 3481
84caf800
VT		 3482 /* Stop netdev queues, needed during recovery */
3483 netif_stop_queue(vif->ndev);
3484 netif_carrier_off(vif->ndev);
3485
ec4b7f60 3486 /* disable scanning */
58109df6
VT		 3487 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3488 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
7125f01d
KV		 3489 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3490 ath6kl_warn("failed to disable scan during stop\n");
ec4b7f60
KV		 3491
3492 ath6kl_cfg80211_scan_complete_event(vif, true);
3493}
3494
7125f01d
KV		 3495void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3496{
3497 struct ath6kl_vif *vif;
3498
3499 vif = ath6kl_vif_first(ar);
84caf800 3500 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
7125f01d
KV		 3501 /* save the current power mode before enabling power save */
3502 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3503
3504 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
cdeb8602 3505 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
7125f01d
KV		 3506 return;
3507 }
3508
3509 /*
3510 * FIXME: we should take ar->list_lock to protect changes in the
3511 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3512 * sleeps.
3513 */
3514 list_for_each_entry(vif, &ar->vif_list, list)
3515 ath6kl_cfg80211_stop(vif);
3516}
3517
0c0280bd
LR		 3518static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3519 struct regulatory_request *request)
84841ba2
KV		 3520{
3521 struct ath6kl *ar = wiphy_priv(wiphy);
3522 u32 rates[IEEE80211_NUM_BANDS];
3523 int ret, i;
3524
3525 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
ff7e6867 3526 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
84841ba2
KV		 3527 request->alpha2[0], request->alpha2[1],
3528 request->intersect ? " intersect" : "",
3529 request->processed ? " processed" : "",
ff7e6867
KV		 3530 request->initiator, request->user_reg_hint_type);
3531
ff7e6867 3532 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
0c0280bd 3533 return;
84841ba2
KV		 3534
3535 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3536 if (ret) {
3537 ath6kl_err("failed to set regdomain: %d\n", ret);
0c0280bd 3538 return;
84841ba2
KV		 3539 }
3540
3541 /*
3542 * Firmware will apply the regdomain change only after a scan is
3543 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3544 * changed.
3545 */
3546
3547 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3548 if (wiphy->bands[i])
3549 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3550
3551
3552 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3553 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3554 0, NULL, false, rates);
3555 if (ret) {
3556 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3557 ret);
0c0280bd 3558 return;
84841ba2 3559 }
84841ba2
KV		 3560}
3561
c25889e8 3562static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
bdcd8170 3563{
7baef812 3564 vif->aggr_cntxt = aggr_init(vif);
2132c69c 3565 if (!vif->aggr_cntxt) {
8dafb70e
VT		 3566 ath6kl_err("failed to initialize aggr\n");
3567 return -ENOMEM;
3568 }
3569
de3ad713 3570 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
108438bc 3571 (unsigned long) vif->ndev);
10509f90
KV		 3572 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3573 (unsigned long) vif);
3574
de3ad713 3575 set_bit(WMM_ENABLED, &vif->flags);
478ac027 3576 spin_lock_init(&vif->if_lock);
bdcd8170 3577
80abaf9b
VT		 3578 INIT_LIST_HEAD(&vif->mc_filter);
3579
8dafb70e
VT		 3580 return 0;
3581}
3582
355b3a98
MSS		 3583void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3584{
3585 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3586 bool discon_issued;
3587
3588 netif_stop_queue(vif->ndev);
3589
3590 clear_bit(WLAN_ENABLED, &vif->flags);
3591
3592 if (wmi_ready) {
3593 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3594 test_bit(CONNECT_PEND, &vif->flags);
3595 ath6kl_disconnect(vif);
3596 del_timer(&vif->disconnect_timer);
3597
3598 if (discon_issued)
3599 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3600 (vif->nw_type & AP_NETWORK) ?
3601 bcast_mac : vif->bssid,
3602 0, NULL, 0);
3603 }
3604
3605 if (vif->scan_req) {
3606 cfg80211_scan_done(vif->scan_req, true);
3607 vif->scan_req = NULL;
3608 }
3609
3610 /* need to clean up enhanced bmiss detection fw state */
3611 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3612}
3613
c25889e8 3614void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
8dafb70e 3615{
55055976 3616 struct ath6kl *ar = vif->ar;
80abaf9b 3617 struct ath6kl_mc_filter *mc_filter, *tmp;
55055976 3618
2132c69c 3619 aggr_module_destroy(vif->aggr_cntxt);
8dafb70e 3620
55055976
VT		 3621 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3622
3623 if (vif->nw_type == ADHOC_NETWORK)
3624 ar->ibss_if_active = false;
3625
80abaf9b
VT		 3626 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3627 list_del(&mc_filter->list);
3628 kfree(mc_filter);
3629 }
3630
27929723 3631 unregister_netdevice(vif->ndev);
55055976
VT		 3632
3633 ar->num_vif--;
8dafb70e
VT		 3634}
3635
552bff0c 3636struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
84efbb84
JB		 3637 enum nl80211_iftype type,
3638 u8 fw_vif_idx, u8 nw_type)
8dafb70e
VT		 3639{
3640 struct net_device *ndev;
108438bc 3641 struct ath6kl_vif *vif;
8dafb70e 3642
c835a677 3643 ndev = alloc_netdev(sizeof(*vif), name, NET_NAME_UNKNOWN, ether_setup);
8dafb70e
VT		 3644 if (!ndev)
3645 return NULL;
3646
108438bc
VT		 3647 vif = netdev_priv(ndev);
3648 ndev->ieee80211_ptr = &vif->wdev;
3649 vif->wdev.wiphy = ar->wiphy;
3650 vif->ar = ar;
108438bc
VT		 3651 vif->ndev = ndev;
3652 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3653 vif->wdev.netdev = ndev;
3654 vif->wdev.iftype = type;
334234b5 3655 vif->fw_vif_idx = fw_vif_idx;
d0d670ab
KV		 3656 vif->nw_type = nw_type;
3657 vif->next_mode = nw_type;
8f46fccd 3658 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
ce0dc0cf 3659 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
eb38987e 3660 vif->bg_scan_period = 0;
67b3f129
KR		 3661 vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
3662 vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
8dafb70e 3663
55055976 3664 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
c95dcb59 3665 if (fw_vif_idx != 0) {
55055976
VT		 3666 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3667 0x2;
c95dcb59
AT		 3668 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3669 ar->fw_capabilities))
3670 ndev->dev_addr[4] ^= 0x80;
3671 }
55055976 3672
8dafb70e
VT		 3673 init_netdev(ndev);
3674
e29f25f5 3675 ath6kl_init_control_info(vif);
8dafb70e 3676
c25889e8 3677 if (ath6kl_cfg80211_vif_init(vif))
8dafb70e
VT		 3678 goto err;
3679
27929723 3680 if (register_netdevice(ndev))
8dafb70e
VT		 3681 goto err;
3682
55055976 3683 ar->avail_idx_map &= ~BIT(fw_vif_idx);
14ee6f6b 3684 vif->sme_state = SME_DISCONNECTED;
59c98449 3685 set_bit(WLAN_ENABLED, &vif->flags);
8dafb70e 3686 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
8dafb70e 3687
55055976
VT		 3688 if (type == NL80211_IFTYPE_ADHOC)
3689 ar->ibss_if_active = true;
3690
11f6e40d 3691 spin_lock_bh(&ar->list_lock);
990bd915 3692 list_add_tail(&vif->list, &ar->vif_list);
11f6e40d 3693 spin_unlock_bh(&ar->list_lock);
990bd915 3694
84efbb84 3695 return &vif->wdev;
8dafb70e
VT		 3696
3697err:
27929723
VT		 3698 aggr_module_destroy(vif->aggr_cntxt);
3699 free_netdev(ndev);
8dafb70e
VT		 3700 return NULL;
3701}
3702
964dc9e2
JB		 3703#ifdef CONFIG_PM
3704static const struct wiphy_wowlan_support ath6kl_wowlan_support = {
3705 .flags = WIPHY_WOWLAN_MAGIC_PKT |
3706 WIPHY_WOWLAN_DISCONNECT |
3707 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3708 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3709 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3710 WIPHY_WOWLAN_4WAY_HANDSHAKE,
3711 .n_patterns = WOW_MAX_FILTERS_PER_LIST,
3712 .pattern_min_len = 1,
3713 .pattern_max_len = WOW_PATTERN_SIZE,
3714};
3715#endif
3716
46d33a21
KV		 3717int ath6kl_cfg80211_init(struct ath6kl *ar)
3718{
3719 struct wiphy *wiphy = ar->wiphy;
d92917e4 3720 bool band_2gig = false, band_5gig = false, ht = false;
46d33a21
KV		 3721 int ret;
3722
3723 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3724
3725 wiphy->max_remain_on_channel_duration = 5000;
3726
3727 /* set device pointer for wiphy */
3728 set_wiphy_dev(wiphy, ar->dev);
3729
3730 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3731 BIT(NL80211_IFTYPE_ADHOC) |
3732 BIT(NL80211_IFTYPE_AP);
3733 if (ar->p2p) {
3734 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3735 BIT(NL80211_IFTYPE_P2P_CLIENT);
3736 }
3737
84841ba2 3738 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
ff7e6867 3739 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
84841ba2 3740 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
ff7e6867
KV		 3741 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3742 }
84841ba2 3743
46d33a21 3744 /* max num of ssids that can be probed during scanning */
8ab5415d 3745 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
dd45b759
NS		 3746
3747 /* max num of ssids that can be matched after scan */
3748 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3749 ar->fw_capabilities))
3750 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3751
46d33a21 3752 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
d92917e4
TP		 3753 switch (ar->hw.cap) {
3754 case WMI_11AN_CAP:
3755 ht = true;
3756 case WMI_11A_CAP:
3757 band_5gig = true;
3758 break;
3759 case WMI_11GN_CAP:
3760 ht = true;
3761 case WMI_11G_CAP:
3762 band_2gig = true;
3763 break;
3764 case WMI_11AGN_CAP:
3765 ht = true;
3766 case WMI_11AG_CAP:
3767 band_2gig = true;
3768 band_5gig = true;
3769 break;
3770 default:
3771 ath6kl_err("invalid phy capability!\n");
3772 return -EINVAL;
3773 }
3774
7fd1ce7e
VT		 3775 /*
3776 * Even if the fw has HT support, advertise HT cap only when
3777 * the firmware has support to override RSN capability, otherwise
3778 * 4-way handshake would fail.
3779 */
3780 if (!(ht &&
3781 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3782 ar->fw_capabilities))) {
d92917e4
TP		 3783 ath6kl_band_2ghz.ht_cap.cap = 0;
3784 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3785 ath6kl_band_5ghz.ht_cap.cap = 0;
3786 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3787 }
06e360ac 3788
eba95bce
KV		 3789 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
3790 ar->fw_capabilities)) {
06e360ac
BS		 3791 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3792 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3793 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3794 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3795 } else {
3796 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3797 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3798 }
3799
d92917e4
TP		 3800 if (band_2gig)
3801 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3802 if (band_5gig)
3803 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3804
46d33a21
KV		 3805 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3806
3807 wiphy->cipher_suites = cipher_suites;
3808 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3809
dfb89c56 3810#ifdef CONFIG_PM
964dc9e2 3811 wiphy->wowlan = &ath6kl_wowlan_support;
dfb89c56 3812#endif
46d33a21 3813
8ab5415d 3814 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
46d33a21 3815
f2afdac7
VT		 3816 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3817 WIPHY_FLAG_HAVE_AP_SME |
3818 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3819 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3820
b1f47e3a 3821 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
f2afdac7
VT		 3822 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3823
03bdeb0d
VT		 3824 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3825 ar->fw_capabilities))
b292219f 3826 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
03bdeb0d 3827
f2afdac7
VT		 3828 ar->wiphy->probe_resp_offload =
3829 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3830 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
a432e7cc 3831 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
f2afdac7 3832
46d33a21
KV		 3833 ret = wiphy_register(wiphy);
3834 if (ret < 0) {
3835 ath6kl_err("couldn't register wiphy device\n");
3836 return ret;
3837 }
3838
e5348a1e
VT		 3839 ar->wiphy_registered = true;
3840
46d33a21
KV		 3841 return 0;
3842}
3843
3844void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
8dafb70e 3845{
be98e3a4 3846 wiphy_unregister(ar->wiphy);
e5348a1e
VT		 3847
3848 ar->wiphy_registered = false;
45eaa78f 3849}
46d33a21 3850
45eaa78f
KV		 3851struct ath6kl *ath6kl_cfg80211_create(void)
3852{
3853 struct ath6kl *ar;
3854 struct wiphy *wiphy;
3855
3856 /* create a new wiphy for use with cfg80211 */
3857 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3858
3859 if (!wiphy) {
3860 ath6kl_err("couldn't allocate wiphy device\n");
3861 return NULL;
3862 }
3863
3864 ar = wiphy_priv(wiphy);
3865 ar->wiphy = wiphy;
3866
3867 return ar;
3868}
3869
3870/* Note: ar variable must not be accessed after calling this! */
3871void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3872{
1d2a4456
VT		 3873 int i;
3874
3875 for (i = 0; i < AP_MAX_NUM_STA; i++)
3876 kfree(ar->sta_list[i].aggr_conn);
3877
be98e3a4 3878 wiphy_free(ar->wiphy);
bdcd8170 3879}
45eaa78f 3880
Linux 6.x block layer and io_uring tree(s)