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cfg80211: pass name_assign_type to rdev_add_virtual_intf()
[deliverable/linux.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,
6bab2e19 1499 unsigned char name_assign_type,
84efbb84
JB		 1500 enum nl80211_iftype type,
1501 u32 *flags,
1502 struct vif_params *params)
55055976
VT		 1503{
1504 struct ath6kl *ar = wiphy_priv(wiphy);
84efbb84 1505 struct wireless_dev *wdev;
55055976
VT		 1506 u8 if_idx, nw_type;
1507
71f96ee6 1508 if (ar->num_vif == ar->vif_max) {
55055976
VT		 1509 ath6kl_err("Reached maximum number of supported vif\n");
1510 return ERR_PTR(-EINVAL);
1511 }
1512
1513 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1514 ath6kl_err("Not a supported interface type\n");
1515 return ERR_PTR(-EINVAL);
1516 }
1517
6bab2e19 1518 wdev = ath6kl_interface_add(ar, name, name_assign_type, type, if_idx, nw_type);
84efbb84 1519 if (!wdev)
55055976
VT		 1520 return ERR_PTR(-ENOMEM);
1521
1522 ar->num_vif++;
1523
84efbb84 1524 return wdev;
55055976
VT		 1525}
1526
1527static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
84efbb84 1528 struct wireless_dev *wdev)
55055976
VT		 1529{
1530 struct ath6kl *ar = wiphy_priv(wiphy);
84efbb84 1531 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
55055976 1532
11f6e40d 1533 spin_lock_bh(&ar->list_lock);
55055976 1534 list_del(&vif->list);
11f6e40d 1535 spin_unlock_bh(&ar->list_lock);
55055976 1536
355b3a98 1537 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
55055976 1538
bc52aab3 1539 rtnl_lock();
c25889e8 1540 ath6kl_cfg80211_vif_cleanup(vif);
bc52aab3 1541 rtnl_unlock();
55055976
VT		 1542
1543 return 0;
1544}
1545
bdcd8170
KV		 1546static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1547 struct net_device *ndev,
1548 enum nl80211_iftype type, u32 *flags,
1549 struct vif_params *params)
1550{
f5938f24 1551 struct ath6kl_vif *vif = netdev_priv(ndev);
1e8d13b0 1552 int i;
bdcd8170
KV		 1553
1554 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1555
1e8d13b0
VT		 1556 /*
1557 * Don't bring up p2p on an interface which is not initialized
1558 * for p2p operation where fw does not have capability to switch
1559 * dynamically between non-p2p and p2p type interface.
1560 */
1561 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1562 vif->ar->fw_capabilities) &&
1563 (type == NL80211_IFTYPE_P2P_CLIENT ||
1564 type == NL80211_IFTYPE_P2P_GO)) {
1565 if (vif->ar->vif_max == 1) {
1566 if (vif->fw_vif_idx != 0)
1567 return -EINVAL;
1568 else
1569 goto set_iface_type;
1570 }
1571
1572 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1573 if (i == vif->fw_vif_idx)
1574 break;
1575 }
1576
1577 if (i == vif->ar->vif_max) {
1578 ath6kl_err("Invalid interface to bring up P2P\n");
1579 return -EINVAL;
1580 }
1581 }
1582
c422d52d
TP		 1583 /* need to clean up enhanced bmiss detection fw state */
1584 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1585
1e8d13b0 1586set_iface_type:
bdcd8170
KV		 1587 switch (type) {
1588 case NL80211_IFTYPE_STATION:
8aa659d2 1589 case NL80211_IFTYPE_P2P_CLIENT:
f5938f24 1590 vif->next_mode = INFRA_NETWORK;
bdcd8170
KV		 1591 break;
1592 case NL80211_IFTYPE_ADHOC:
f5938f24 1593 vif->next_mode = ADHOC_NETWORK;
bdcd8170 1594 break;
6e4604c8 1595 case NL80211_IFTYPE_AP:
6b5e5d25 1596 case NL80211_IFTYPE_P2P_GO:
f5938f24 1597 vif->next_mode = AP_NETWORK;
6b5e5d25 1598 break;
bdcd8170
KV		 1599 default:
1600 ath6kl_err("invalid interface type %u\n", type);
1601 return -EOPNOTSUPP;
1602 }
1603
551959d8 1604 vif->wdev.iftype = type;
bdcd8170
KV		 1605
1606 return 0;
1607}
1608
1609static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1610 struct net_device *dev,
1611 struct cfg80211_ibss_params *ibss_param)
1612{
1613 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 1614 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1615 int status;
1616
990bd915 1617 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1618 return -EIO;
1619
3450334f
VT		 1620 vif->ssid_len = ibss_param->ssid_len;
1621 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
bdcd8170 1622
683b6d3b
JB		 1623 if (ibss_param->chandef.chan)
1624 vif->ch_hint = ibss_param->chandef.chan->center_freq;
bdcd8170
KV		 1625
1626 if (ibss_param->channel_fixed) {
1627 /*
1628 * TODO: channel_fixed: The channel should be fixed, do not
1629 * search for IBSSs to join on other channels. Target
1630 * firmware does not support this feature, needs to be
1631 * updated.
1632 */
1633 return -EOPNOTSUPP;
1634 }
1635
8c8b65e3 1636 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170 1637 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
8c8b65e3
VT		 1638 memcpy(vif->req_bssid, ibss_param->bssid,
1639 sizeof(vif->req_bssid));
bdcd8170 1640
240d2799 1641 ath6kl_set_wpa_version(vif, 0);
bdcd8170 1642
240d2799 1643 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
bdcd8170
KV		 1644 if (status)
1645 return status;
1646
1647 if (ibss_param->privacy) {
240d2799
VT		 1648 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1649 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
bdcd8170 1650 } else {
240d2799
VT		 1651 ath6kl_set_cipher(vif, 0, true);
1652 ath6kl_set_cipher(vif, 0, false);
bdcd8170
KV		 1653 }
1654
f5938f24 1655 vif->nw_type = vif->next_mode;
bdcd8170
KV		 1656
1657 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1658 "%s: connect called with authmode %d dot11 auth %d"
1659 " PW crypto %d PW crypto len %d GRP crypto %d"
1660 " GRP crypto len %d channel hint %u\n",
1661 __func__,
3450334f
VT		 1662 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1663 vif->prwise_crypto_len, vif->grp_crypto,
f74bac54 1664 vif->grp_crypto_len, vif->ch_hint);
bdcd8170 1665
334234b5 1666 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
3450334f
VT		 1667 vif->dot11_auth_mode, vif->auth_mode,
1668 vif->prwise_crypto,
1669 vif->prwise_crypto_len,
1670 vif->grp_crypto, vif->grp_crypto_len,
1671 vif->ssid_len, vif->ssid,
f74bac54 1672 vif->req_bssid, vif->ch_hint,
3ca9d1fc 1673 ar->connect_ctrl_flags, SUBTYPE_NONE);
59c98449 1674 set_bit(CONNECT_PEND, &vif->flags);
bdcd8170
KV		 1675
1676 return 0;
1677}
1678
1679static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1680 struct net_device *dev)
1681{
3450334f 1682 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170 1683
990bd915 1684 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1685 return -EIO;
1686
240d2799 1687 ath6kl_disconnect(vif);
3450334f
VT		 1688 memset(vif->ssid, 0, sizeof(vif->ssid));
1689 vif->ssid_len = 0;
bdcd8170
KV		 1690
1691 return 0;
1692}
1693
1694static const u32 cipher_suites[] = {
1695 WLAN_CIPHER_SUITE_WEP40,
1696 WLAN_CIPHER_SUITE_WEP104,
1697 WLAN_CIPHER_SUITE_TKIP,
1698 WLAN_CIPHER_SUITE_CCMP,
837cb97e 1699 CCKM_KRK_CIPHER_SUITE,
5e07021e 1700 WLAN_CIPHER_SUITE_SMS4,
bdcd8170
KV		 1701};
1702
1703static bool is_rate_legacy(s32 rate)
1704{
1705 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1706 6000, 9000, 12000, 18000, 24000,
1707 36000, 48000, 54000
1708 };
1709 u8 i;
1710
1711 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1712 if (rate == legacy[i])
1713 return true;
1714
1715 return false;
1716}
1717
1718static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1719{
1720 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1721 52000, 58500, 65000, 72200
1722 };
1723 u8 i;
1724
1725 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1726 if (rate == ht20[i]) {
1727 if (i == ARRAY_SIZE(ht20) - 1)
1728 /* last rate uses sgi */
1729 *sgi = true;
1730 else
1731 *sgi = false;
1732
1733 *mcs = i;
1734 return true;
1735 }
1736 }
1737 return false;
1738}
1739
1740static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1741{
1742 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1743 81000, 108000, 121500, 135000,
1744 150000
1745 };
1746 u8 i;
1747
1748 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1749 if (rate == ht40[i]) {
1750 if (i == ARRAY_SIZE(ht40) - 1)
1751 /* last rate uses sgi */
1752 *sgi = true;
1753 else
1754 *sgi = false;
1755
1756 *mcs = i;
1757 return true;
1758 }
1759 }
1760
1761 return false;
1762}
1763
1764static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1765 const u8 *mac, struct station_info *sinfo)
bdcd8170
KV		 1766{
1767 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 1768 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1769 long left;
1770 bool sgi;
1771 s32 rate;
1772 int ret;
1773 u8 mcs;
1774
8c8b65e3 1775 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
bdcd8170
KV		 1776 return -ENOENT;
1777
1778 if (down_interruptible(&ar->sem))
1779 return -EBUSY;
1780
b95907a7 1781 set_bit(STATS_UPDATE_PEND, &vif->flags);
bdcd8170 1782
334234b5 1783 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
bdcd8170
KV		 1784
1785 if (ret != 0) {
1786 up(&ar->sem);
1787 return -EIO;
1788 }
1789
1790 left = wait_event_interruptible_timeout(ar->event_wq,
1791 !test_bit(STATS_UPDATE_PEND,
b95907a7 1792 &vif->flags),
bdcd8170
KV		 1793 WMI_TIMEOUT);
1794
1795 up(&ar->sem);
1796
1797 if (left == 0)
1798 return -ETIMEDOUT;
1799 else if (left < 0)
1800 return left;
1801
b95907a7
VT		 1802 if (vif->target_stats.rx_byte) {
1803 sinfo->rx_bytes = vif->target_stats.rx_byte;
319090bf 1804 sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64);
b95907a7 1805 sinfo->rx_packets = vif->target_stats.rx_pkt;
319090bf 1806 sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);
bdcd8170
KV		 1807 }
1808
b95907a7
VT		 1809 if (vif->target_stats.tx_byte) {
1810 sinfo->tx_bytes = vif->target_stats.tx_byte;
319090bf 1811 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64);
b95907a7 1812 sinfo->tx_packets = vif->target_stats.tx_pkt;
319090bf 1813 sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);
bdcd8170
KV		 1814 }
1815
b95907a7 1816 sinfo->signal = vif->target_stats.cs_rssi;
319090bf 1817 sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
bdcd8170 1818
b95907a7 1819 rate = vif->target_stats.tx_ucast_rate;
bdcd8170
KV		 1820
1821 if (is_rate_legacy(rate)) {
1822 sinfo->txrate.legacy = rate / 100;
1823 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1824 if (sgi) {
1825 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1826 sinfo->txrate.mcs = mcs - 1;
1827 } else {
1828 sinfo->txrate.mcs = mcs;
1829 }
1830
1831 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
b51f3bee 1832 sinfo->txrate.bw = RATE_INFO_BW_20;
bdcd8170
KV		 1833 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1834 if (sgi) {
1835 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1836 sinfo->txrate.mcs = mcs - 1;
1837 } else {
1838 sinfo->txrate.mcs = mcs;
1839 }
1840
b51f3bee 1841 sinfo->txrate.bw = RATE_INFO_BW_40;
bdcd8170
KV		 1842 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1843 } else {
9a730834
KV		 1844 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1845 "invalid rate from stats: %d\n", rate);
1846 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
bdcd8170
KV		 1847 return 0;
1848 }
1849
319090bf 1850 sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
bdcd8170 1851
59c98449
VT		 1852 if (test_bit(CONNECTED, &vif->flags) &&
1853 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
f5938f24 1854 vif->nw_type == INFRA_NETWORK) {
319090bf 1855 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
32c10874 1856 sinfo->bss_param.flags = 0;
cf5333d7
VT		 1857 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1858 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
32c10874
JM		 1859 }
1860
bdcd8170
KV		 1861 return 0;
1862}
1863
1864static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1865 struct cfg80211_pmksa *pmksa)
1866{
1867 struct ath6kl *ar = ath6kl_priv(netdev);
334234b5
VT		 1868 struct ath6kl_vif *vif = netdev_priv(netdev);
1869
1870 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
bdcd8170
KV		 1871 pmksa->pmkid, true);
1872}
1873
1874static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1875 struct cfg80211_pmksa *pmksa)
1876{
1877 struct ath6kl *ar = ath6kl_priv(netdev);
334234b5
VT		 1878 struct ath6kl_vif *vif = netdev_priv(netdev);
1879
1880 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
bdcd8170
KV		 1881 pmksa->pmkid, false);
1882}
1883
1884static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1885{
1886 struct ath6kl *ar = ath6kl_priv(netdev);
59c98449
VT		 1887 struct ath6kl_vif *vif = netdev_priv(netdev);
1888
1889 if (test_bit(CONNECTED, &vif->flags))
334234b5
VT		 1890 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1891 vif->bssid, NULL, false);
bdcd8170
KV		 1892 return 0;
1893}
1894
d91e8eee
RM		 1895static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1896 struct cfg80211_wowlan *wow, u32 *filter)
6cb3c714 1897{
d91e8eee 1898 int ret, pos;
2c07cf44 1899 u8 mask[WOW_PATTERN_SIZE];
6cb3c714 1900 u16 i;
6cb3c714 1901
d91e8eee 1902 /* Configure the patterns that we received from the user. */
6cb3c714 1903 for (i = 0; i < wow->n_patterns; i++) {
6cb3c714
RM		 1904 /*
1905 * Convert given nl80211 specific mask value to equivalent
1906 * driver specific mask value and send it to the chip along
1907 * with patterns. For example, If the mask value defined in
1908 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1909 * then equivalent driver specific mask value is
1910 * "0xFF 0x00 0xFF 0x00".
1911 */
1912 memset(&mask, 0, sizeof(mask));
1913 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1914 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1915 mask[pos] = 0xFF;
1916 }
1917 /*
1918 * Note: Pattern's offset is not passed as part of wowlan
1919 * parameter from CFG layer. So it's always passed as ZERO
1920 * to the firmware. It means, given WOW patterns are always
1921 * matched from the first byte of received pkt in the firmware.
1922 */
1923 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
d91e8eee
RM		 1924 vif->fw_vif_idx, WOW_LIST_ID,
1925 wow->patterns[i].pattern_len,
1926 0 /* pattern offset */,
1927 wow->patterns[i].pattern, mask);
6cb3c714
RM		 1928 if (ret)
1929 return ret;
1930 }
1931
d91e8eee
RM		 1932 if (wow->disconnect)
1933 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1934
1935 if (wow->magic_pkt)
1936 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1937
1938 if (wow->gtk_rekey_failure)
1939 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1940
1941 if (wow->eap_identity_req)
1942 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1943
1944 if (wow->four_way_handshake)
1945 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1946
1947 return 0;
1948}
1949
1950static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1951{
1952 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1953 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1954 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1955 0x00, 0x08 };
1956 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1957 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1958 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1959 0x00, 0x7f };
1960 u8 unicst_offset = 0;
1961 static const u8 arp_pattern[] = { 0x08, 0x06 };
1962 static const u8 arp_mask[] = { 0xff, 0xff };
1963 u8 arp_offset = 20;
1964 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1965 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1966 u8 discvr_offset = 38;
1967 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1968 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1969 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1970 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1971 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1972 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1973 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1974 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1975 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1976 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1977 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1978 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1979 u8 dhcp_offset = 0;
1980 int ret;
1981
1982 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1983 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1984 vif->fw_vif_idx, WOW_LIST_ID,
1985 sizeof(unicst_pattern), unicst_offset,
1986 unicst_pattern, unicst_mask);
1987 if (ret) {
1988 ath6kl_err("failed to add WOW unicast IP pattern\n");
1989 return ret;
1990 }
1991
1992 /* Setup all ARP pkt pattern */
1993 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1994 vif->fw_vif_idx, WOW_LIST_ID,
1995 sizeof(arp_pattern), arp_offset,
1996 arp_pattern, arp_mask);
1997 if (ret) {
1998 ath6kl_err("failed to add WOW ARP pattern\n");
1999 return ret;
2000 }
2001
2002 /*
2003 * Setup multicast pattern for mDNS 224.0.0.251,
2004 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2005 */
2006 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2007 vif->fw_vif_idx, WOW_LIST_ID,
2008 sizeof(discvr_pattern), discvr_offset,
2009 discvr_pattern, discvr_mask);
2010 if (ret) {
2011 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2012 return ret;
2013 }
2014
2015 /* Setup all DHCP broadcast pkt pattern */
2016 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2017 vif->fw_vif_idx, WOW_LIST_ID,
2018 sizeof(dhcp_pattern), dhcp_offset,
2019 dhcp_pattern, dhcp_mask);
2020 if (ret) {
2021 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2022 return ret;
2023 }
2024
2025 return 0;
2026}
2027
2028static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2029{
2030 struct net_device *ndev = vif->ndev;
2031 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2032 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2033 u8 discvr_offset = 38;
2034 u8 mac_mask[ETH_ALEN];
2035 int ret;
2036
2037 /* Setup unicast pkt pattern */
2038 memset(mac_mask, 0xff, ETH_ALEN);
2039 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2040 vif->fw_vif_idx, WOW_LIST_ID,
2041 ETH_ALEN, 0, ndev->dev_addr,
2042 mac_mask);
2043 if (ret) {
2044 ath6kl_err("failed to add WOW unicast pattern\n");
2045 return ret;
2046 }
2047
2048 /*
2049 * Setup multicast pattern for mDNS 224.0.0.251,
2050 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2051 */
2052 if ((ndev->flags & IFF_ALLMULTI) ||
2053 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2054 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2055 vif->fw_vif_idx, WOW_LIST_ID,
2056 sizeof(discvr_pattern), discvr_offset,
2057 discvr_pattern, discvr_mask);
2058 if (ret) {
cdeb8602 2059 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
d91e8eee
RM		 2060 return ret;
2061 }
2062 }
2063
2064 return 0;
2065}
2066
055bde49
RM		 2067static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2068{
2069 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2070}
2071
2072static bool is_ctrl_ep_empty(struct ath6kl *ar)
2073{
2074 return !ar->tx_pending[ar->ctrl_ep];
2075}
2076
2077static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2078{
2079 int ret, left;
2080
2081 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2082
2083 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2084 ATH6KL_HOST_MODE_ASLEEP);
2085 if (ret)
2086 return ret;
2087
2088 left = wait_event_interruptible_timeout(ar->event_wq,
2089 is_hsleep_mode_procsed(vif),
2090 WMI_TIMEOUT);
2091 if (left == 0) {
2092 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2093 ret = -ETIMEDOUT;
2094 } else if (left < 0) {
2095 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2096 left);
2097 ret = left;
2098 }
2099
2100 if (ar->tx_pending[ar->ctrl_ep]) {
2101 left = wait_event_interruptible_timeout(ar->event_wq,
2102 is_ctrl_ep_empty(ar),
2103 WMI_TIMEOUT);
2104 if (left == 0) {
2105 ath6kl_warn("clear wmi ctrl data timeout\n");
2106 ret = -ETIMEDOUT;
2107 } else if (left < 0) {
2108 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2109 ret = left;
2110 }
2111 }
2112
2113 return ret;
2114}
2115
fd4377b6
TP		 2116static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2117 struct cfg80211_wowlan *wow, u32 *filter)
d91e8eee 2118{
fd4377b6 2119 struct ath6kl *ar = vif->ar;
d91e8eee
RM		 2120 struct in_device *in_dev;
2121 struct in_ifaddr *ifa;
055bde49 2122 int ret;
ce0dc0cf 2123 u16 i, bmiss_time;
d91e8eee 2124 __be32 ips[MAX_IP_ADDRS];
fd4377b6 2125 u8 index = 0;
d91e8eee 2126
6821d4f0
NG		 2127 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2128 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2129 ar->fw_capabilities)) {
6251d801
NG		 2130 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2131 vif->fw_vif_idx, false);
2132 if (ret)
2133 return ret;
2134 }
2135
d91e8eee
RM		 2136 /* Clear existing WOW patterns */
2137 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2138 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2139 WOW_LIST_ID, i);
2140
2141 /*
2142 * Skip the default WOW pattern configuration
2143 * if the driver receives any WOW patterns from
2144 * the user.
2145 */
2146 if (wow)
fd4377b6 2147 ret = ath6kl_wow_usr(ar, vif, wow, filter);
d91e8eee
RM		 2148 else if (vif->nw_type == AP_NETWORK)
2149 ret = ath6kl_wow_ap(ar, vif);
2150 else
2151 ret = ath6kl_wow_sta(ar, vif);
2152
2153 if (ret)
2154 return ret;
2155
390a8c8f
RM		 2156 netif_stop_queue(vif->ndev);
2157
ce0dc0cf
RM		 2158 if (vif->nw_type != AP_NETWORK) {
2159 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2160 ATH6KL_MAX_WOW_LISTEN_INTL,
2161 0);
2162 if (ret)
2163 return ret;
2164
2165 /* Set listen interval x 15 times as bmiss time */
2166 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2167 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2168 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2169
2170 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2171 bmiss_time, 0);
2172 if (ret)
2173 return ret;
2174
2175 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2176 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2177 0, 0, 0, 0);
2178 if (ret)
2179 return ret;
2180 }
2181
c08631c6
RM		 2182 /* Setup own IP addr for ARP agent. */
2183 in_dev = __in_dev_get_rtnl(vif->ndev);
2184 if (!in_dev)
fd4377b6 2185 return 0;
c08631c6
RM		 2186
2187 ifa = in_dev->ifa_list;
2188 memset(&ips, 0, sizeof(ips));
2189
2190 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2191 while (index < MAX_IP_ADDRS && ifa) {
2192 ips[index] = ifa->ifa_local;
2193 ifa = ifa->ifa_next;
2194 index++;
2195 }
2196
2197 if (ifa) {
2198 ath6kl_err("total IP addr count is exceeding fw limit\n");
2199 return -EINVAL;
2200 }
2201
2202 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2203 if (ret) {
2204 ath6kl_err("fail to setup ip for arp agent\n");
2205 return ret;
2206 }
2207
fd4377b6
TP		 2208 return ret;
2209}
2210
2211static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2212{
2213 struct ath6kl_vif *first_vif, *vif;
2214 int ret = 0;
2215 u32 filter = 0;
2216 bool connected = false;
2217
2218 /* enter / leave wow suspend on first vif always */
2219 first_vif = ath6kl_vif_first(ar);
2220 if (WARN_ON(unlikely(!first_vif)) ||
2221 !ath6kl_cfg80211_ready(first_vif))
2222 return -EIO;
2223
2224 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2225 return -EINVAL;
2226
2227 /* install filters for each connected vif */
2228 spin_lock_bh(&ar->list_lock);
2229 list_for_each_entry(vif, &ar->vif_list, list) {
2230 if (!test_bit(CONNECTED, &vif->flags) ||
2231 !ath6kl_cfg80211_ready(vif))
2232 continue;
2233 connected = true;
2234
2235 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2236 if (ret)
2237 break;
2238 }
2239 spin_unlock_bh(&ar->list_lock);
2240
2241 if (!connected)
2242 return -ENOTCONN;
2243 else if (ret)
2244 return ret;
2245
2246 ar->state = ATH6KL_STATE_SUSPENDING;
2247
2248 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
6cb3c714
RM		 2249 ATH6KL_WOW_MODE_ENABLE,
2250 filter,
2251 WOW_HOST_REQ_DELAY);
2252 if (ret)
2253 return ret;
2254
fd4377b6 2255 return ath6kl_cfg80211_host_sleep(ar, first_vif);
6cb3c714
RM		 2256}
2257
fd4377b6 2258static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
6cb3c714 2259{
fd4377b6 2260 struct ath6kl *ar = vif->ar;
6cb3c714
RM		 2261 int ret;
2262
ce0dc0cf
RM		 2263 if (vif->nw_type != AP_NETWORK) {
2264 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2265 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2266 if (ret)
2267 return ret;
2268
2269 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2270 vif->listen_intvl_t, 0);
2271 if (ret)
2272 return ret;
2273
2274 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2275 vif->bmiss_time_t, 0);
2276 if (ret)
2277 return ret;
2278 }
2279
6821d4f0
NG		 2280 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2281 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2282 ar->fw_capabilities)) {
6251d801 2283 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
fd4377b6 2284 vif->fw_vif_idx, true);
6251d801
NG		 2285 if (ret)
2286 return ret;
2287 }
2288
390a8c8f
RM		 2289 netif_wake_queue(vif->ndev);
2290
2291 return 0;
6cb3c714
RM		 2292}
2293
fd4377b6
TP		 2294static int ath6kl_wow_resume(struct ath6kl *ar)
2295{
2296 struct ath6kl_vif *vif;
2297 int ret;
2298
2299 vif = ath6kl_vif_first(ar);
2300 if (WARN_ON(unlikely(!vif)) ||
2301 !ath6kl_cfg80211_ready(vif))
2302 return -EIO;
2303
2304 ar->state = ATH6KL_STATE_RESUMING;
2305
2306 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2307 ATH6KL_HOST_MODE_AWAKE);
2308 if (ret) {
2309 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2310 ret);
2311 goto cleanup;
2312 }
2313
2314 spin_lock_bh(&ar->list_lock);
2315 list_for_each_entry(vif, &ar->vif_list, list) {
2316 if (!test_bit(CONNECTED, &vif->flags) ||
2317 !ath6kl_cfg80211_ready(vif))
2318 continue;
2319 ret = ath6kl_wow_resume_vif(vif);
2320 if (ret)
2321 break;
2322 }
2323 spin_unlock_bh(&ar->list_lock);
2324
2325 if (ret)
2326 goto cleanup;
2327
2328 ar->state = ATH6KL_STATE_ON;
2329 return 0;
2330
2331cleanup:
2332 ar->state = ATH6KL_STATE_WOW;
2333 return ret;
2334}
2335
40abc2de
RM		 2336static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2337{
2338 struct ath6kl_vif *vif;
2339 int ret;
2340
2341 vif = ath6kl_vif_first(ar);
2342 if (!vif)
2343 return -EIO;
2344
48f27587
MJ		 2345 if (!test_bit(WMI_READY, &ar->flag)) {
2346 ath6kl_err("deepsleep failed as wmi is not ready\n");
40abc2de 2347 return -EIO;
48f27587 2348 }
40abc2de
RM		 2349
2350 ath6kl_cfg80211_stop_all(ar);
2351
2352 /* Save the current power mode before enabling power save */
2353 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2354
2355 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2356 if (ret)
2357 return ret;
2358
2359 /* Disable WOW mode */
2360 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2361 ATH6KL_WOW_MODE_DISABLE,
2362 0, 0);
2363 if (ret)
2364 return ret;
2365
2366 /* Flush all non control pkts in TX path */
2367 ath6kl_tx_data_cleanup(ar);
2368
2369 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2370 if (ret)
2371 return ret;
2372
2373 return 0;
2374}
2375
2376static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2377{
2378 struct ath6kl_vif *vif;
2379 int ret;
2380
2381 vif = ath6kl_vif_first(ar);
2382
2383 if (!vif)
2384 return -EIO;
2385
2386 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2387 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2388 ar->wmi->saved_pwr_mode);
2389 if (ret)
2390 return ret;
2391 }
2392
2393 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2394 ATH6KL_HOST_MODE_AWAKE);
2395 if (ret)
2396 return ret;
2397
2398 ar->state = ATH6KL_STATE_ON;
2399
2400 /* Reset scan parameter to default values */
2401 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2402 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2403 if (ret)
2404 return ret;
2405
2406 return 0;
2407}
2408
52d81a68 2409int ath6kl_cfg80211_suspend(struct ath6kl *ar,
0f60e9f4
RM		 2410 enum ath6kl_cfg_suspend_mode mode,
2411 struct cfg80211_wowlan *wow)
52d81a68 2412{
3d79499c 2413 struct ath6kl_vif *vif;
390a8c8f 2414 enum ath6kl_state prev_state;
52d81a68
KV		 2415 int ret;
2416
52d81a68 2417 switch (mode) {
d7c44e0b
RM		 2418 case ATH6KL_CFG_SUSPEND_WOW:
2419
2420 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2421
2422 /* Flush all non control pkts in TX path */
2423 ath6kl_tx_data_cleanup(ar);
2424
390a8c8f
RM		 2425 prev_state = ar->state;
2426
d7c44e0b 2427 ret = ath6kl_wow_suspend(ar, wow);
390a8c8f
RM		 2428 if (ret) {
2429 ar->state = prev_state;
d7c44e0b 2430 return ret;
390a8c8f 2431 }
1e9a905d 2432
d7c44e0b
RM		 2433 ar->state = ATH6KL_STATE_WOW;
2434 break;
2435
52d81a68 2436 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
524441e3 2437
40abc2de 2438 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
52d81a68 2439
40abc2de 2440 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
52d81a68 2441 if (ret) {
40abc2de
RM		 2442 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2443 return ret;
52d81a68
KV		 2444 }
2445
76a9fbe2
KV		 2446 ar->state = ATH6KL_STATE_DEEPSLEEP;
2447
52d81a68 2448 break;
b4b2a0b1
KV		 2449
2450 case ATH6KL_CFG_SUSPEND_CUTPOWER:
524441e3 2451
7125f01d 2452 ath6kl_cfg80211_stop_all(ar);
524441e3 2453
b4b2a0b1
KV		 2454 if (ar->state == ATH6KL_STATE_OFF) {
2455 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2456 "suspend hw off, no action for cutpower\n");
2457 break;
2458 }
2459
2460 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2461
2462 ret = ath6kl_init_hw_stop(ar);
2463 if (ret) {
2464 ath6kl_warn("failed to stop hw during suspend: %d\n",
2465 ret);
2466 }
2467
2468 ar->state = ATH6KL_STATE_CUTPOWER;
2469
2470 break;
2471
2472 default:
2473 break;
52d81a68
KV		 2474 }
2475
3d79499c
VN		 2476 list_for_each_entry(vif, &ar->vif_list, list)
2477 ath6kl_cfg80211_scan_complete_event(vif, true);
2478
52d81a68
KV		 2479 return 0;
2480}
d6a434d6 2481EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
52d81a68
KV		 2482
2483int ath6kl_cfg80211_resume(struct ath6kl *ar)
2484{
76a9fbe2
KV		 2485 int ret;
2486
2487 switch (ar->state) {
d7c44e0b
RM		 2488 case ATH6KL_STATE_WOW:
2489 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2490
2491 ret = ath6kl_wow_resume(ar);
2492 if (ret) {
2493 ath6kl_warn("wow mode resume failed: %d\n", ret);
2494 return ret;
2495 }
2496
d7c44e0b
RM		 2497 break;
2498
76a9fbe2 2499 case ATH6KL_STATE_DEEPSLEEP:
40abc2de 2500 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
76a9fbe2 2501
40abc2de
RM		 2502 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2503 if (ret) {
2504 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2505 return ret;
2506 }
76a9fbe2
KV		 2507 break;
2508
b4b2a0b1
KV		 2509 case ATH6KL_STATE_CUTPOWER:
2510 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2511
2512 ret = ath6kl_init_hw_start(ar);
2513 if (ret) {
2514 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2515 return ret;
2516 }
d7c44e0b 2517 break;
b4b2a0b1 2518
76a9fbe2
KV		 2519 default:
2520 break;
52d81a68
KV		 2521 }
2522
2523 return 0;
2524}
d6a434d6 2525EXPORT_SYMBOL(ath6kl_cfg80211_resume);
52d81a68 2526
abcb344b 2527#ifdef CONFIG_PM
52d81a68
KV		 2528
2529/* hif layer decides what suspend mode to use */
2530static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
abcb344b
KV		 2531 struct cfg80211_wowlan *wow)
2532{
2533 struct ath6kl *ar = wiphy_priv(wiphy);
2534
84caf800
VT		 2535 ath6kl_recovery_suspend(ar);
2536
0f60e9f4 2537 return ath6kl_hif_suspend(ar, wow);
abcb344b 2538}
aa6cffc1 2539
52d81a68 2540static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
aa6cffc1
CN		 2541{
2542 struct ath6kl *ar = wiphy_priv(wiphy);
84caf800
VT		 2543 int err;
2544
2545 err = ath6kl_hif_resume(ar);
2546 if (err)
2547 return err;
aa6cffc1 2548
92332993 2549 ath6kl_recovery_resume(ar);
aa6cffc1 2550
84caf800 2551 return 0;
aa6cffc1 2552}
a918fb3c
RM		 2553
2554/*
2555 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2556 * both sdio irq wake up and keep power. The target pulls sdio data line to
2557 * wake up the host when WOW pattern matches. This causes sdio irq handler
2558 * is being called in the host side which internally hits ath6kl's RX path.
2559 *
2560 * Since sdio interrupt is not disabled, RX path executes even before
2561 * the host executes the actual resume operation from PM module.
2562 *
2563 * In the current scenario, WOW resume should happen before start processing
2564 * any data from the target. So It's required to perform WOW resume in RX path.
2565 * Ideally we should perform WOW resume only in the actual platform
2566 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2567 *
2568 * ath6kl_check_wow_status() is called from ath6kl_rx().
2569 */
2570void ath6kl_check_wow_status(struct ath6kl *ar)
2571{
390a8c8f
RM		 2572 if (ar->state == ATH6KL_STATE_SUSPENDING)
2573 return;
2574
a918fb3c
RM		 2575 if (ar->state == ATH6KL_STATE_WOW)
2576 ath6kl_cfg80211_resume(ar);
2577}
2578
2579#else
2580
2581void ath6kl_check_wow_status(struct ath6kl *ar)
2582{
2583}
abcb344b
KV		 2584#endif
2585
df90b369
VT		 2586static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2587 bool ht_enable)
6a7c9bad 2588{
67b3f129 2589 struct ath6kl_htcap *htcap = &vif->htcap[band];
6a7c9bad 2590
df90b369
VT		 2591 if (htcap->ht_enable == ht_enable)
2592 return 0;
6a7c9bad 2593
df90b369
VT		 2594 if (ht_enable) {
2595 /* Set default ht capabilities */
2596 htcap->ht_enable = true;
2597 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2598 ath6kl_g_htcap : ath6kl_a_htcap;
2599 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2600 } else /* Disable ht */
2601 memset(htcap, 0, sizeof(*htcap));
6a7c9bad 2602
df90b369
VT		 2603 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2604 band, htcap);
6a7c9bad
JM		 2605}
2606
37a2f950
TP		 2607static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2608{
2609 struct wiphy *wiphy = vif->ar->wiphy;
2610 int band, ret = 0;
2611
2612 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2613 if (!wiphy->bands[band])
2614 continue;
2615
2616 ret = ath6kl_set_htcap(vif, band,
2617 wiphy->bands[band]->ht_cap.ht_supported);
2618 if (ret)
2619 return ret;
2620 }
2621
2622 return ret;
2623}
2624
8bdfbf40
JM		 2625static bool ath6kl_is_p2p_ie(const u8 *pos)
2626{
2627 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2628 pos[2] == 0x50 && pos[3] == 0x6f &&
2629 pos[4] == 0x9a && pos[5] == 0x09;
2630}
2631
334234b5
VT		 2632static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2633 const u8 *ies, size_t ies_len)
8bdfbf40 2634{
334234b5 2635 struct ath6kl *ar = vif->ar;
8bdfbf40
JM		 2636 const u8 *pos;
2637 u8 *buf = NULL;
2638 size_t len = 0;
2639 int ret;
2640
2641 /*
2642 * Filter out P2P IE(s) since they will be included depending on
2643 * the Probe Request frame in ath6kl_send_go_probe_resp().
2644 */
2645
2646 if (ies && ies_len) {
2647 buf = kmalloc(ies_len, GFP_KERNEL);
2648 if (buf == NULL)
2649 return -ENOMEM;
2650 pos = ies;
2651 while (pos + 1 < ies + ies_len) {
2652 if (pos + 2 + pos[1] > ies + ies_len)
2653 break;
2654 if (!ath6kl_is_p2p_ie(pos)) {
2655 memcpy(buf + len, pos, 2 + pos[1]);
2656 len += 2 + pos[1];
2657 }
2658 pos += 2 + pos[1];
2659 }
2660 }
2661
334234b5
VT		 2662 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2663 WMI_FRAME_PROBE_RESP, buf, len);
8bdfbf40
JM		 2664 kfree(buf);
2665 return ret;
2666}
2667
8860020e
JB		 2668static int ath6kl_set_ies(struct ath6kl_vif *vif,
2669 struct cfg80211_beacon_data *info)
6a7c9bad 2670{
8860020e 2671 struct ath6kl *ar = vif->ar;
6a7c9bad 2672 int res;
6a7c9bad 2673
17a7b16d
AT		 2674 /* this also clears IE in fw if it's not set */
2675 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2676 WMI_FRAME_BEACON,
2677 info->beacon_ies,
2678 info->beacon_ies_len);
2679 if (res)
2680 return res;
2681
2682 /* this also clears IE in fw if it's not set */
2683 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2684 info->proberesp_ies_len);
2685 if (res)
2686 return res;
2687
2688 /* this also clears IE in fw if it's not set */
2689 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2690 WMI_FRAME_ASSOC_RESP,
2691 info->assocresp_ies,
2692 info->assocresp_ies_len);
2693 if (res)
2694 return res;
6a7c9bad 2695
8860020e
JB		 2696 return 0;
2697}
2698
d97c121b
VT		 2699static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2700 u8 *rsn_capab)
2701{
2702 const u8 *rsn_ie;
2703 size_t rsn_ie_len;
2704 u16 cnt;
2705
2706 if (!beacon->tail)
2707 return -EINVAL;
2708
2709 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2710 if (!rsn_ie)
2711 return -EINVAL;
2712
2713 rsn_ie_len = *(rsn_ie + 1);
2714 /* skip element id and length */
2715 rsn_ie += 2;
2716
9e8b16db
VT		 2717 /* skip version */
2718 if (rsn_ie_len < 2)
d97c121b 2719 return -EINVAL;
9e8b16db
VT		 2720 rsn_ie += 2;
2721 rsn_ie_len -= 2;
2722
2723 /* skip group cipher suite */
2724 if (rsn_ie_len < 4)
2725 return 0;
2726 rsn_ie += 4;
2727 rsn_ie_len -= 4;
d97c121b
VT		 2728
2729 /* skip pairwise cipher suite */
2730 if (rsn_ie_len < 2)
9e8b16db 2731 return 0;
798985c6 2732 cnt = get_unaligned_le16(rsn_ie);
d97c121b
VT		 2733 rsn_ie += (2 + cnt * 4);
2734 rsn_ie_len -= (2 + cnt * 4);
2735
2736 /* skip akm suite */
2737 if (rsn_ie_len < 2)
9e8b16db 2738 return 0;
798985c6 2739 cnt = get_unaligned_le16(rsn_ie);
d97c121b
VT		 2740 rsn_ie += (2 + cnt * 4);
2741 rsn_ie_len -= (2 + cnt * 4);
2742
2743 if (rsn_ie_len < 2)
9e8b16db 2744 return 0;
d97c121b
VT		 2745
2746 memcpy(rsn_capab, rsn_ie, 2);
2747
2748 return 0;
2749}
2750
8860020e
JB		 2751static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2752 struct cfg80211_ap_settings *info)
6a7c9bad
JM		 2753{
2754 struct ath6kl *ar = ath6kl_priv(dev);
3450334f 2755 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2756 struct ieee80211_mgmt *mgmt;
67cd22e4 2757 bool hidden = false;
6a7c9bad
JM		 2758 u8 *ies;
2759 int ies_len;
2760 struct wmi_connect_cmd p;
2761 int res;
be5abaaf 2762 int i, ret;
d97c121b 2763 u16 rsn_capab = 0;
7ac25eac 2764 int inactivity_timeout = 0;
6a7c9bad 2765
8860020e 2766 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
6a7c9bad 2767
990bd915 2768 if (!ath6kl_cfg80211_ready(vif))
6a7c9bad
JM		 2769 return -EIO;
2770
f5938f24 2771 if (vif->next_mode != AP_NETWORK)
6a7c9bad
JM		 2772 return -EOPNOTSUPP;
2773
8860020e 2774 res = ath6kl_set_ies(vif, &info->beacon);
6a7c9bad 2775
9a5b1318
JM		 2776 ar->ap_mode_bkey.valid = false;
2777
eb922e4b
MSS		 2778 ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx,
2779 info->beacon_interval);
2780
2781 if (ret)
2782 ath6kl_warn("Failed to set beacon interval: %d\n", ret);
6a7c9bad 2783
d154f32e
EL		 2784 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2785 info->dtim_period);
2786
2787 /* ignore error, just print a warning and continue normally */
2788 if (ret)
2789 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2790
8860020e 2791 if (info->beacon.head == NULL)
6a7c9bad 2792 return -EINVAL;
8860020e 2793 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
6a7c9bad 2794 ies = mgmt->u.beacon.variable;
8860020e 2795 if (ies > info->beacon.head + info->beacon.head_len)
6a7c9bad 2796 return -EINVAL;
8860020e 2797 ies_len = info->beacon.head + info->beacon.head_len - ies;
6a7c9bad
JM		 2798
2799 if (info->ssid == NULL)
2800 return -EINVAL;
3450334f
VT		 2801 memcpy(vif->ssid, info->ssid, info->ssid_len);
2802 vif->ssid_len = info->ssid_len;
6a7c9bad 2803 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
67cd22e4
TP		 2804 hidden = true;
2805
2806 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2807 if (res)
2808 return res;
6a7c9bad 2809
be5abaaf
VT		 2810 ret = ath6kl_set_auth_type(vif, info->auth_type);
2811 if (ret)
2812 return ret;
6a7c9bad
JM		 2813
2814 memset(&p, 0, sizeof(p));
2815
2816 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2817 switch (info->crypto.akm_suites[i]) {
2818 case WLAN_AKM_SUITE_8021X:
2819 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2820 p.auth_mode |= WPA_AUTH;
2821 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2822 p.auth_mode |= WPA2_AUTH;
2823 break;
2824 case WLAN_AKM_SUITE_PSK:
2825 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2826 p.auth_mode |= WPA_PSK_AUTH;
2827 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2828 p.auth_mode |= WPA2_PSK_AUTH;
2829 break;
2830 }
2831 }
2832 if (p.auth_mode == 0)
2833 p.auth_mode = NONE_AUTH;
3450334f 2834 vif->auth_mode = p.auth_mode;
6a7c9bad
JM		 2835
2836 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2837 switch (info->crypto.ciphers_pairwise[i]) {
2838 case WLAN_CIPHER_SUITE_WEP40:
2839 case WLAN_CIPHER_SUITE_WEP104:
2840 p.prwise_crypto_type |= WEP_CRYPT;
2841 break;
2842 case WLAN_CIPHER_SUITE_TKIP:
2843 p.prwise_crypto_type |= TKIP_CRYPT;
2844 break;
2845 case WLAN_CIPHER_SUITE_CCMP:
2846 p.prwise_crypto_type |= AES_CRYPT;
2847 break;
b8214df1
DS		 2848 case WLAN_CIPHER_SUITE_SMS4:
2849 p.prwise_crypto_type |= WAPI_CRYPT;
2850 break;
6a7c9bad
JM		 2851 }
2852 }
229ed6b5 2853 if (p.prwise_crypto_type == 0) {
6a7c9bad 2854 p.prwise_crypto_type = NONE_CRYPT;
240d2799 2855 ath6kl_set_cipher(vif, 0, true);
a5d8f9df 2856 } else if (info->crypto.n_ciphers_pairwise == 1) {
240d2799 2857 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
a5d8f9df 2858 }
6a7c9bad
JM		 2859
2860 switch (info->crypto.cipher_group) {
2861 case WLAN_CIPHER_SUITE_WEP40:
2862 case WLAN_CIPHER_SUITE_WEP104:
2863 p.grp_crypto_type = WEP_CRYPT;
2864 break;
2865 case WLAN_CIPHER_SUITE_TKIP:
2866 p.grp_crypto_type = TKIP_CRYPT;
2867 break;
2868 case WLAN_CIPHER_SUITE_CCMP:
2869 p.grp_crypto_type = AES_CRYPT;
2870 break;
b8214df1
DS		 2871 case WLAN_CIPHER_SUITE_SMS4:
2872 p.grp_crypto_type = WAPI_CRYPT;
2873 break;
6a7c9bad
JM		 2874 default:
2875 p.grp_crypto_type = NONE_CRYPT;
2876 break;
2877 }
240d2799 2878 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
6a7c9bad
JM		 2879
2880 p.nw_type = AP_NETWORK;
f5938f24 2881 vif->nw_type = vif->next_mode;
6a7c9bad 2882
3450334f
VT		 2883 p.ssid_len = vif->ssid_len;
2884 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2885 p.dot11_auth_mode = vif->dot11_auth_mode;
683b6d3b 2886 p.ch = cpu_to_le16(info->chandef.chan->center_freq);
6a7c9bad 2887
c1762a3f
TP		 2888 /* Enable uAPSD support by default */
2889 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2890 if (res < 0)
2891 return res;
2892
3ca9d1fc
AT		 2893 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2894 p.nw_subtype = SUBTYPE_P2PGO;
2895 } else {
2896 /*
2897 * Due to firmware limitation, it is not possible to
2898 * do P2P mgmt operations in AP mode
2899 */
2900 p.nw_subtype = SUBTYPE_NONE;
2901 }
2902
03bdeb0d 2903 if (info->inactivity_timeout) {
7ac25eac
MSS		 2904 inactivity_timeout = info->inactivity_timeout;
2905
eba95bce
KV		 2906 if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
2907 ar->fw_capabilities))
7ac25eac
MSS		 2908 inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
2909 60);
2910
03bdeb0d 2911 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
7ac25eac 2912 inactivity_timeout);
03bdeb0d
VT		 2913 if (res < 0)
2914 return res;
2915 }
2916
683b6d3b
JB		 2917 if (ath6kl_set_htcap(vif, info->chandef.chan->band,
2918 cfg80211_get_chandef_type(&info->chandef)
2919 != NL80211_CHAN_NO_HT))
df90b369
VT		 2920 return -EIO;
2921
d97c121b
VT		 2922 /*
2923 * Get the PTKSA replay counter in the RSN IE. Supplicant
2924 * will use the RSN IE in M3 message and firmware has to
2925 * advertise the same in beacon/probe response. Send
2926 * the complete RSN IE capability field to firmware
2927 */
2928 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2929 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2930 ar->fw_capabilities)) {
2931 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2932 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2933 (const u8 *) &rsn_capab,
2934 sizeof(rsn_capab));
f21243a8 2935 vif->rsn_capab = rsn_capab;
d97c121b
VT		 2936 if (res < 0)
2937 return res;
2938 }
2939
c4f7863e 2940 memcpy(&vif->profile, &p, sizeof(p));
334234b5 2941 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
9a5b1318
JM		 2942 if (res < 0)
2943 return res;
2944
2945 return 0;
6a7c9bad
JM		 2946}
2947
8860020e
JB		 2948static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2949 struct cfg80211_beacon_data *beacon)
6a7c9bad 2950{
8860020e 2951 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2952
8860020e
JB		 2953 if (!ath6kl_cfg80211_ready(vif))
2954 return -EIO;
2955
2956 if (vif->next_mode != AP_NETWORK)
2957 return -EOPNOTSUPP;
2958
2959 return ath6kl_set_ies(vif, beacon);
6a7c9bad
JM		 2960}
2961
8860020e 2962static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
6a7c9bad
JM		 2963{
2964 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 2965 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2966
f5938f24 2967 if (vif->nw_type != AP_NETWORK)
6a7c9bad 2968 return -EOPNOTSUPP;
59c98449 2969 if (!test_bit(CONNECTED, &vif->flags))
6a7c9bad
JM		 2970 return -ENOTCONN;
2971
334234b5 2972 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
59c98449 2973 clear_bit(CONNECTED, &vif->flags);
6a7c9bad 2974
df90b369 2975 /* Restore ht setting in firmware */
37a2f950 2976 return ath6kl_restore_htcap(vif);
6a7c9bad
JM		 2977}
2978
33e5308d
JM		 2979static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2980
2981static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 2982 struct station_del_parameters *params)
33e5308d
JM		 2983{
2984 struct ath6kl *ar = ath6kl_priv(dev);
2985 struct ath6kl_vif *vif = netdev_priv(dev);
89c771e5 2986 const u8 *addr = params->mac ? params->mac : bcast_addr;
33e5308d
JM		 2987
2988 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2989 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2990}
2991
23875136 2992static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 2993 const u8 *mac,
2994 struct station_parameters *params)
23875136
JM		 2995{
2996 struct ath6kl *ar = ath6kl_priv(dev);
f5938f24 2997 struct ath6kl_vif *vif = netdev_priv(dev);
77ee7c89 2998 int err;
23875136 2999
f5938f24 3000 if (vif->nw_type != AP_NETWORK)
23875136
JM		 3001 return -EOPNOTSUPP;
3002
77ee7c89
JB		 3003 err = cfg80211_check_station_change(wiphy, params,
3004 CFG80211_STA_AP_MLME_CLIENT);
3005 if (err)
3006 return err;
23875136
JM		 3007
3008 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
334234b5
VT		 3009 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3010 WMI_AP_MLME_AUTHORIZE, mac, 0);
3011 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3012 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
23875136
JM		 3013}
3014
63fa1e0c 3015static int ath6kl_remain_on_channel(struct wiphy *wiphy,
71bbc994 3016 struct wireless_dev *wdev,
63fa1e0c 3017 struct ieee80211_channel *chan,
63fa1e0c
JM		 3018 unsigned int duration,
3019 u64 *cookie)
3020{
71bbc994
JB		 3021 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3022 struct ath6kl *ar = ath6kl_priv(vif->ndev);
1052261e 3023 u32 id;
63fa1e0c
JM		 3024
3025 /* TODO: if already pending or ongoing remain-on-channel,
3026 * return -EBUSY */
1052261e
JM		 3027 id = ++vif->last_roc_id;
3028 if (id == 0) {
3029 /* Do not use 0 as the cookie value */
3030 id = ++vif->last_roc_id;
3031 }
3032 *cookie = id;
63fa1e0c 3033
334234b5
VT		 3034 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3035 chan->center_freq, duration);
63fa1e0c
JM		 3036}
3037
3038static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 3039 struct wireless_dev *wdev,
63fa1e0c
JM		 3040 u64 cookie)
3041{
71bbc994
JB		 3042 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3043 struct ath6kl *ar = ath6kl_priv(vif->ndev);
63fa1e0c 3044
1052261e 3045 if (cookie != vif->last_roc_id)
63fa1e0c 3046 return -ENOENT;
1052261e 3047 vif->last_cancel_roc_id = cookie;
63fa1e0c 3048
334234b5 3049 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
63fa1e0c
JM		 3050}
3051
334234b5
VT		 3052static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3053 const u8 *buf, size_t len,
3054 unsigned int freq)
8bdfbf40 3055{
334234b5 3056 struct ath6kl *ar = vif->ar;
8bdfbf40
JM		 3057 const u8 *pos;
3058 u8 *p2p;
3059 int p2p_len;
3060 int ret;
3061 const struct ieee80211_mgmt *mgmt;
3062
3063 mgmt = (const struct ieee80211_mgmt *) buf;
3064
3065 /* Include P2P IE(s) from the frame generated in user space. */
3066
3067 p2p = kmalloc(len, GFP_KERNEL);
3068 if (p2p == NULL)
3069 return -ENOMEM;
3070 p2p_len = 0;
3071
3072 pos = mgmt->u.probe_resp.variable;
3073 while (pos + 1 < buf + len) {
3074 if (pos + 2 + pos[1] > buf + len)
3075 break;
3076 if (ath6kl_is_p2p_ie(pos)) {
3077 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3078 p2p_len += 2 + pos[1];
3079 }
3080 pos += 2 + pos[1];
3081 }
3082
334234b5
VT		 3083 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3084 mgmt->da, p2p, p2p_len);
8bdfbf40
JM		 3085 kfree(p2p);
3086 return ret;
3087}
3088
d0ff7383
NG		 3089static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3090 u32 id,
3091 u32 freq,
3092 u32 wait,
3093 const u8 *buf,
3094 size_t len,
3095 bool *more_data,
3096 bool no_cck)
3097{
3098 struct ieee80211_mgmt *mgmt;
3099 struct ath6kl_sta *conn;
3100 bool is_psq_empty = false;
3101 struct ath6kl_mgmt_buff *mgmt_buf;
3102 size_t mgmt_buf_size;
3103 struct ath6kl *ar = vif->ar;
3104
3105 mgmt = (struct ieee80211_mgmt *) buf;
3106 if (is_multicast_ether_addr(mgmt->da))
3107 return false;
3108
3109 conn = ath6kl_find_sta(vif, mgmt->da);
3110 if (!conn)
3111 return false;
3112
3113 if (conn->sta_flags & STA_PS_SLEEP) {
3114 if (!(conn->sta_flags & STA_PS_POLLED)) {
3115 /* Queue the frames if the STA is sleeping */
3116 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3117 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3118 if (!mgmt_buf)
3119 return false;
3120
3121 INIT_LIST_HEAD(&mgmt_buf->list);
3122 mgmt_buf->id = id;
3123 mgmt_buf->freq = freq;
3124 mgmt_buf->wait = wait;
3125 mgmt_buf->len = len;
3126 mgmt_buf->no_cck = no_cck;
3127 memcpy(mgmt_buf->buf, buf, len);
3128 spin_lock_bh(&conn->psq_lock);
3129 is_psq_empty = skb_queue_empty(&conn->psq) &&
3130 (conn->mgmt_psq_len == 0);
3131 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3132 conn->mgmt_psq_len++;
3133 spin_unlock_bh(&conn->psq_lock);
3134
3135 /*
3136 * If this is the first pkt getting queued
3137 * for this STA, update the PVB for this
3138 * STA.
3139 */
3140 if (is_psq_empty)
3141 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3142 conn->aid, 1);
3143 return true;
3144 }
3145
3146 /*
3147 * This tx is because of a PsPoll.
3148 * Determine if MoreData bit has to be set.
3149 */
3150 spin_lock_bh(&conn->psq_lock);
3151 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3152 *more_data = true;
3153 spin_unlock_bh(&conn->psq_lock);
3154 }
3155
3156 return false;
3157}
3158
c86e4f44
AT		 3159/* Check if SSID length is greater than DIRECT- */
3160static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3161{
3162 const struct ieee80211_mgmt *mgmt;
3163 mgmt = (const struct ieee80211_mgmt *) buf;
3164
3165 /* variable[1] contains the SSID tag length */
3166 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3167 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3168 return true;
3169 }
3170
3171 return false;
3172}
3173
71bbc994 3174static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 3175 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
8a6c8060 3176{
71bbc994
JB		 3177 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3178 struct ath6kl *ar = ath6kl_priv(vif->ndev);
b176e629
AO		 3179 struct ieee80211_channel *chan = params->chan;
3180 const u8 *buf = params->buf;
3181 size_t len = params->len;
3182 unsigned int wait = params->wait;
3183 bool no_cck = params->no_cck;
bfd634d0 3184 u32 id, freq;
8bdfbf40 3185 const struct ieee80211_mgmt *mgmt;
d0ff7383 3186 bool more_data, queued;
8bdfbf40 3187
bfd634d0
AQ		 3188 /* default to the current channel, but use the one specified as argument
3189 * if any
3190 */
3191 freq = vif->ch_hint;
3192 if (chan)
3193 freq = chan->center_freq;
3194
3195 /* never send freq zero to the firmware */
3196 if (WARN_ON(freq == 0))
3197 return -EINVAL;
3198
8bdfbf40 3199 mgmt = (const struct ieee80211_mgmt *) buf;
c86e4f44
AT		 3200 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3201 ieee80211_is_probe_resp(mgmt->frame_control) &&
3202 ath6kl_is_p2p_go_ssid(buf, len)) {
8bdfbf40 3203 /*
c86e4f44 3204 * Send Probe Response frame in GO mode using a separate WMI
8bdfbf40
JM		 3205 * command to allow the target to fill in the generic IEs.
3206 */
3207 *cookie = 0; /* TX status not supported */
bfd634d0 3208 return ath6kl_send_go_probe_resp(vif, buf, len, freq);
8bdfbf40 3209 }
8a6c8060 3210
cf5333d7 3211 id = vif->send_action_id++;
8a6c8060
JM		 3212 if (id == 0) {
3213 /*
3214 * 0 is a reserved value in the WMI command and shall not be
3215 * used for the command.
3216 */
cf5333d7 3217 id = vif->send_action_id++;
8a6c8060
JM		 3218 }
3219
3220 *cookie = id;
3ca9d1fc 3221
d0ff7383
NG		 3222 /* AP mode Power saving processing */
3223 if (vif->nw_type == AP_NETWORK) {
bfd634d0
AQ		 3224 queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len,
3225 &more_data, no_cck);
d0ff7383
NG		 3226 if (queued)
3227 return 0;
3ca9d1fc 3228 }
d0ff7383 3229
bfd634d0
AQ		 3230 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq,
3231 wait, buf, len, no_cck);
8a6c8060
JM		 3232}
3233
ae32c30a 3234static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3235 struct wireless_dev *wdev,
ae32c30a
JM		 3236 u16 frame_type, bool reg)
3237{
71bbc994 3238 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
ae32c30a
JM		 3239
3240 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3241 __func__, frame_type, reg);
3242 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3243 /*
3244 * Note: This notification callback is not allowed to sleep, so
3245 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3246 * hardcode target to report Probe Request frames all the time.
3247 */
cf5333d7 3248 vif->probe_req_report = reg;
ae32c30a
JM		 3249 }
3250}
3251
10509f90
KV		 3252static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3253 struct net_device *dev,
3254 struct cfg80211_sched_scan_request *request)
3255{
3256 struct ath6kl *ar = ath6kl_priv(dev);
3257 struct ath6kl_vif *vif = netdev_priv(dev);
3258 u16 interval;
85b20fc2 3259 int ret, rssi_thold;
ea73cbce
JB		 3260 int n_match_sets = request->n_match_sets;
3261
3262 /*
3263 * If there's a matchset w/o an SSID, then assume it's just for
3264 * the RSSI (nothing else is currently supported) and ignore it.
3265 * The device only supports a global RSSI filter that we set below.
3266 */
3267 if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len)
3268 n_match_sets = 0;
10509f90
KV		 3269
3270 if (ar->state != ATH6KL_STATE_ON)
3271 return -EIO;
3272
3273 if (vif->sme_state != SME_DISCONNECTED)
3274 return -EBUSY;
3275
b4d13d3b
KV		 3276 ath6kl_cfg80211_scan_complete_event(vif, true);
3277
3b8ffc6a 3278 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
dd45b759
NS		 3279 request->n_ssids,
3280 request->match_sets,
ea73cbce 3281 n_match_sets);
3b8ffc6a
JM		 3282 if (ret < 0)
3283 return ret;
10509f90 3284
ea73cbce 3285 if (!n_match_sets) {
dd45b759
NS		 3286 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3287 ALL_BSS_FILTER, 0);
3288 if (ret < 0)
3289 return ret;
3290 } else {
3291 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3292 MATCHED_SSID_FILTER, 0);
3293 if (ret < 0)
3294 return ret;
3295 }
3296
85b20fc2
TP		 3297 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3298 ar->fw_capabilities)) {
ea73cbce 3299 if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
85b20fc2 3300 rssi_thold = 0;
ea73cbce 3301 else if (request->min_rssi_thold < -127)
85b20fc2
TP		 3302 rssi_thold = -127;
3303 else
ea73cbce 3304 rssi_thold = request->min_rssi_thold;
85b20fc2
TP		 3305
3306 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3307 rssi_thold);
3308 if (ret) {
3309 ath6kl_err("failed to set RSSI threshold for scan\n");
3310 return ret;
3311 }
3312 }
3313
10509f90
KV		 3314 /* fw uses seconds, also make sure that it's >0 */
3315 interval = max_t(u16, 1, request->interval / 1000);
3316
3317 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3318 interval, interval,
d472b5e4 3319 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
10509f90 3320
10509f90
KV		 3321 /* this also clears IE in fw if it's not set */
3322 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3323 WMI_FRAME_PROBE_REQ,
3324 request->ie, request->ie_len);
3325 if (ret) {
f1ff32e8 3326 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
10509f90
KV		 3327 ret);
3328 return ret;
3329 }
3330
b1f47e3a
TP		 3331 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3332 if (ret)
10509f90 3333 return ret;
10509f90 3334
b1f47e3a 3335 set_bit(SCHED_SCANNING, &vif->flags);
10509f90 3336
b1f47e3a 3337 return 0;
10509f90
KV		 3338}
3339
3340static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3341 struct net_device *dev)
3342{
3343 struct ath6kl_vif *vif = netdev_priv(dev);
3344 bool stopped;
3345
3346 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3347
3348 if (!stopped)
3349 return -EIO;
3350
3351 return 0;
3352}
3353
06e360ac
BS		 3354static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3355 struct net_device *dev,
3356 const u8 *addr,
3357 const struct cfg80211_bitrate_mask *mask)
3358{
3359 struct ath6kl *ar = ath6kl_priv(dev);
3360 struct ath6kl_vif *vif = netdev_priv(dev);
3361
3362 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3363 mask);
3364}
3365
279b2862
TP		 3366static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3367 struct net_device *dev,
3368 u32 rate, u32 pkts, u32 intvl)
3369{
3370 struct ath6kl *ar = ath6kl_priv(dev);
3371 struct ath6kl_vif *vif = netdev_priv(dev);
3372
3373 if (vif->nw_type != INFRA_NETWORK ||
3374 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3375 return -EOPNOTSUPP;
3376
3377 if (vif->sme_state != SME_CONNECTED)
3378 return -ENOTCONN;
3379
3380 /* save this since the firmware won't report the interval */
3381 vif->txe_intvl = intvl;
3382
3383 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3384 rate, pkts, intvl);
3385}
3386
f80574ae
JM		 3387static const struct ieee80211_txrx_stypes
3388ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3389 [NL80211_IFTYPE_STATION] = {
3390 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3391 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3392 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3393 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3394 },
ba1f6fe3
JM		 3395 [NL80211_IFTYPE_AP] = {
3396 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3397 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3398 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3399 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3400 },
f80574ae
JM		 3401 [NL80211_IFTYPE_P2P_CLIENT] = {
3402 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3403 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3404 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3405 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3406 },
3407 [NL80211_IFTYPE_P2P_GO] = {
3408 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3409 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3410 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3411 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3412 },
3413};
3414
bdcd8170 3415static struct cfg80211_ops ath6kl_cfg80211_ops = {
55055976
VT		 3416 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3417 .del_virtual_intf = ath6kl_cfg80211_del_iface,
bdcd8170
KV		 3418 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3419 .scan = ath6kl_cfg80211_scan,
3420 .connect = ath6kl_cfg80211_connect,
3421 .disconnect = ath6kl_cfg80211_disconnect,
3422 .add_key = ath6kl_cfg80211_add_key,
3423 .get_key = ath6kl_cfg80211_get_key,
3424 .del_key = ath6kl_cfg80211_del_key,
3425 .set_default_key = ath6kl_cfg80211_set_default_key,
3426 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3427 .set_tx_power = ath6kl_cfg80211_set_txpower,
3428 .get_tx_power = ath6kl_cfg80211_get_txpower,
3429 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3430 .join_ibss = ath6kl_cfg80211_join_ibss,
3431 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3432 .get_station = ath6kl_get_station,
3433 .set_pmksa = ath6kl_set_pmksa,
3434 .del_pmksa = ath6kl_del_pmksa,
3435 .flush_pmksa = ath6kl_flush_pmksa,
003353b0 3436 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
abcb344b 3437#ifdef CONFIG_PM
52d81a68
KV		 3438 .suspend = __ath6kl_cfg80211_suspend,
3439 .resume = __ath6kl_cfg80211_resume,
abcb344b 3440#endif
8860020e
JB		 3441 .start_ap = ath6kl_start_ap,
3442 .change_beacon = ath6kl_change_beacon,
3443 .stop_ap = ath6kl_stop_ap,
33e5308d 3444 .del_station = ath6kl_del_station,
23875136 3445 .change_station = ath6kl_change_station,
63fa1e0c
JM		 3446 .remain_on_channel = ath6kl_remain_on_channel,
3447 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
8a6c8060 3448 .mgmt_tx = ath6kl_mgmt_tx,
ae32c30a 3449 .mgmt_frame_register = ath6kl_mgmt_frame_register,
10509f90
KV		 3450 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3451 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
06e360ac 3452 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
279b2862 3453 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
bdcd8170
KV		 3454};
3455
7125f01d 3456void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
ec4b7f60 3457{
10509f90
KV		 3458 ath6kl_cfg80211_sscan_disable(vif);
3459
ec4b7f60 3460 switch (vif->sme_state) {
c97a31b0
KV		 3461 case SME_DISCONNECTED:
3462 break;
ec4b7f60
KV		 3463 case SME_CONNECTING:
3464 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3465 NULL, 0,
3466 WLAN_STATUS_UNSPECIFIED_FAILURE,
3467 GFP_KERNEL);
3468 break;
3469 case SME_CONNECTED:
ec4b7f60
KV		 3470 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3471 break;
3472 }
3473
58109df6
VT		 3474 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3475 (test_bit(CONNECTED, &vif->flags) ||
3476 test_bit(CONNECT_PEND, &vif->flags)))
7125f01d 3477 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
ec4b7f60
KV		 3478
3479 vif->sme_state = SME_DISCONNECTED;
1f405255
KV		 3480 clear_bit(CONNECTED, &vif->flags);
3481 clear_bit(CONNECT_PEND, &vif->flags);
ec4b7f60 3482
84caf800
VT		 3483 /* Stop netdev queues, needed during recovery */
3484 netif_stop_queue(vif->ndev);
3485 netif_carrier_off(vif->ndev);
3486
ec4b7f60 3487 /* disable scanning */
58109df6
VT		 3488 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3489 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
7125f01d
KV		 3490 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3491 ath6kl_warn("failed to disable scan during stop\n");
ec4b7f60
KV		 3492
3493 ath6kl_cfg80211_scan_complete_event(vif, true);
3494}
3495
7125f01d
KV		 3496void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3497{
3498 struct ath6kl_vif *vif;
3499
3500 vif = ath6kl_vif_first(ar);
84caf800 3501 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
7125f01d
KV		 3502 /* save the current power mode before enabling power save */
3503 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3504
3505 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
cdeb8602 3506 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
7125f01d
KV		 3507 return;
3508 }
3509
3510 /*
3511 * FIXME: we should take ar->list_lock to protect changes in the
3512 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3513 * sleeps.
3514 */
3515 list_for_each_entry(vif, &ar->vif_list, list)
3516 ath6kl_cfg80211_stop(vif);
3517}
3518
0c0280bd
LR		 3519static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3520 struct regulatory_request *request)
84841ba2
KV		 3521{
3522 struct ath6kl *ar = wiphy_priv(wiphy);
3523 u32 rates[IEEE80211_NUM_BANDS];
3524 int ret, i;
3525
3526 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
ff7e6867 3527 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
84841ba2
KV		 3528 request->alpha2[0], request->alpha2[1],
3529 request->intersect ? " intersect" : "",
3530 request->processed ? " processed" : "",
ff7e6867
KV		 3531 request->initiator, request->user_reg_hint_type);
3532
ff7e6867 3533 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
0c0280bd 3534 return;
84841ba2
KV		 3535
3536 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3537 if (ret) {
3538 ath6kl_err("failed to set regdomain: %d\n", ret);
0c0280bd 3539 return;
84841ba2
KV		 3540 }
3541
3542 /*
3543 * Firmware will apply the regdomain change only after a scan is
3544 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3545 * changed.
3546 */
3547
3548 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3549 if (wiphy->bands[i])
3550 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3551
3552
3553 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3554 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3555 0, NULL, false, rates);
3556 if (ret) {
3557 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3558 ret);
0c0280bd 3559 return;
84841ba2 3560 }
84841ba2
KV		 3561}
3562
c25889e8 3563static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
bdcd8170 3564{
7baef812 3565 vif->aggr_cntxt = aggr_init(vif);
2132c69c 3566 if (!vif->aggr_cntxt) {
8dafb70e
VT		 3567 ath6kl_err("failed to initialize aggr\n");
3568 return -ENOMEM;
3569 }
3570
de3ad713 3571 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
108438bc 3572 (unsigned long) vif->ndev);
10509f90
KV		 3573 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3574 (unsigned long) vif);
3575
de3ad713 3576 set_bit(WMM_ENABLED, &vif->flags);
478ac027 3577 spin_lock_init(&vif->if_lock);
bdcd8170 3578
80abaf9b
VT		 3579 INIT_LIST_HEAD(&vif->mc_filter);
3580
8dafb70e
VT		 3581 return 0;
3582}
3583
355b3a98
MSS		 3584void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3585{
3586 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3587 bool discon_issued;
3588
3589 netif_stop_queue(vif->ndev);
3590
3591 clear_bit(WLAN_ENABLED, &vif->flags);
3592
3593 if (wmi_ready) {
3594 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3595 test_bit(CONNECT_PEND, &vif->flags);
3596 ath6kl_disconnect(vif);
3597 del_timer(&vif->disconnect_timer);
3598
3599 if (discon_issued)
3600 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3601 (vif->nw_type & AP_NETWORK) ?
3602 bcast_mac : vif->bssid,
3603 0, NULL, 0);
3604 }
3605
3606 if (vif->scan_req) {
3607 cfg80211_scan_done(vif->scan_req, true);
3608 vif->scan_req = NULL;
3609 }
3610
3611 /* need to clean up enhanced bmiss detection fw state */
3612 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3613}
3614
c25889e8 3615void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
8dafb70e 3616{
55055976 3617 struct ath6kl *ar = vif->ar;
80abaf9b 3618 struct ath6kl_mc_filter *mc_filter, *tmp;
55055976 3619
2132c69c 3620 aggr_module_destroy(vif->aggr_cntxt);
8dafb70e 3621
55055976
VT		 3622 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3623
3624 if (vif->nw_type == ADHOC_NETWORK)
3625 ar->ibss_if_active = false;
3626
80abaf9b
VT		 3627 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3628 list_del(&mc_filter->list);
3629 kfree(mc_filter);
3630 }
3631
27929723 3632 unregister_netdevice(vif->ndev);
55055976
VT		 3633
3634 ar->num_vif--;
8dafb70e
VT		 3635}
3636
552bff0c 3637struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
6bab2e19 3638 unsigned char name_assign_type,
84efbb84
JB		 3639 enum nl80211_iftype type,
3640 u8 fw_vif_idx, u8 nw_type)
8dafb70e
VT		 3641{
3642 struct net_device *ndev;
108438bc 3643 struct ath6kl_vif *vif;
8dafb70e 3644
6bab2e19 3645 ndev = alloc_netdev(sizeof(*vif), name, name_assign_type, ether_setup);
8dafb70e
VT		 3646 if (!ndev)
3647 return NULL;
3648
108438bc
VT		 3649 vif = netdev_priv(ndev);
3650 ndev->ieee80211_ptr = &vif->wdev;
3651 vif->wdev.wiphy = ar->wiphy;
3652 vif->ar = ar;
108438bc
VT		 3653 vif->ndev = ndev;
3654 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3655 vif->wdev.netdev = ndev;
3656 vif->wdev.iftype = type;
334234b5 3657 vif->fw_vif_idx = fw_vif_idx;
d0d670ab
KV		 3658 vif->nw_type = nw_type;
3659 vif->next_mode = nw_type;
8f46fccd 3660 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
ce0dc0cf 3661 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
eb38987e 3662 vif->bg_scan_period = 0;
67b3f129
KR		 3663 vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
3664 vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
8dafb70e 3665
55055976 3666 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
c95dcb59 3667 if (fw_vif_idx != 0) {
55055976
VT		 3668 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3669 0x2;
c95dcb59
AT		 3670 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3671 ar->fw_capabilities))
3672 ndev->dev_addr[4] ^= 0x80;
3673 }
55055976 3674
8dafb70e
VT		 3675 init_netdev(ndev);
3676
e29f25f5 3677 ath6kl_init_control_info(vif);
8dafb70e 3678
c25889e8 3679 if (ath6kl_cfg80211_vif_init(vif))
8dafb70e
VT		 3680 goto err;
3681
27929723 3682 if (register_netdevice(ndev))
8dafb70e
VT		 3683 goto err;
3684
55055976 3685 ar->avail_idx_map &= ~BIT(fw_vif_idx);
14ee6f6b 3686 vif->sme_state = SME_DISCONNECTED;
59c98449 3687 set_bit(WLAN_ENABLED, &vif->flags);
8dafb70e 3688 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
8dafb70e 3689
55055976
VT		 3690 if (type == NL80211_IFTYPE_ADHOC)
3691 ar->ibss_if_active = true;
3692
11f6e40d 3693 spin_lock_bh(&ar->list_lock);
990bd915 3694 list_add_tail(&vif->list, &ar->vif_list);
11f6e40d 3695 spin_unlock_bh(&ar->list_lock);
990bd915 3696
84efbb84 3697 return &vif->wdev;
8dafb70e
VT		 3698
3699err:
27929723
VT		 3700 aggr_module_destroy(vif->aggr_cntxt);
3701 free_netdev(ndev);
8dafb70e
VT		 3702 return NULL;
3703}
3704
964dc9e2
JB		 3705#ifdef CONFIG_PM
3706static const struct wiphy_wowlan_support ath6kl_wowlan_support = {
3707 .flags = WIPHY_WOWLAN_MAGIC_PKT |
3708 WIPHY_WOWLAN_DISCONNECT |
3709 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3710 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3711 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3712 WIPHY_WOWLAN_4WAY_HANDSHAKE,
3713 .n_patterns = WOW_MAX_FILTERS_PER_LIST,
3714 .pattern_min_len = 1,
3715 .pattern_max_len = WOW_PATTERN_SIZE,
3716};
3717#endif
3718
46d33a21
KV		 3719int ath6kl_cfg80211_init(struct ath6kl *ar)
3720{
3721 struct wiphy *wiphy = ar->wiphy;
d92917e4 3722 bool band_2gig = false, band_5gig = false, ht = false;
46d33a21
KV		 3723 int ret;
3724
3725 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3726
3727 wiphy->max_remain_on_channel_duration = 5000;
3728
3729 /* set device pointer for wiphy */
3730 set_wiphy_dev(wiphy, ar->dev);
3731
3732 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3733 BIT(NL80211_IFTYPE_ADHOC) |
3734 BIT(NL80211_IFTYPE_AP);
3735 if (ar->p2p) {
3736 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3737 BIT(NL80211_IFTYPE_P2P_CLIENT);
3738 }
3739
84841ba2 3740 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
ff7e6867 3741 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
84841ba2 3742 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
ff7e6867
KV		 3743 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3744 }
84841ba2 3745
46d33a21 3746 /* max num of ssids that can be probed during scanning */
8ab5415d 3747 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
dd45b759
NS		 3748
3749 /* max num of ssids that can be matched after scan */
3750 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3751 ar->fw_capabilities))
3752 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3753
46d33a21 3754 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
d92917e4
TP		 3755 switch (ar->hw.cap) {
3756 case WMI_11AN_CAP:
3757 ht = true;
3758 case WMI_11A_CAP:
3759 band_5gig = true;
3760 break;
3761 case WMI_11GN_CAP:
3762 ht = true;
3763 case WMI_11G_CAP:
3764 band_2gig = true;
3765 break;
3766 case WMI_11AGN_CAP:
3767 ht = true;
3768 case WMI_11AG_CAP:
3769 band_2gig = true;
3770 band_5gig = true;
3771 break;
3772 default:
3773 ath6kl_err("invalid phy capability!\n");
3774 return -EINVAL;
3775 }
3776
7fd1ce7e
VT		 3777 /*
3778 * Even if the fw has HT support, advertise HT cap only when
3779 * the firmware has support to override RSN capability, otherwise
3780 * 4-way handshake would fail.
3781 */
3782 if (!(ht &&
3783 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3784 ar->fw_capabilities))) {
d92917e4
TP		 3785 ath6kl_band_2ghz.ht_cap.cap = 0;
3786 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3787 ath6kl_band_5ghz.ht_cap.cap = 0;
3788 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3789 }
06e360ac 3790
eba95bce
KV		 3791 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
3792 ar->fw_capabilities)) {
06e360ac
BS		 3793 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3794 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3795 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3796 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3797 } else {
3798 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3799 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3800 }
3801
d92917e4
TP		 3802 if (band_2gig)
3803 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3804 if (band_5gig)
3805 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3806
46d33a21
KV		 3807 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3808
3809 wiphy->cipher_suites = cipher_suites;
3810 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3811
dfb89c56 3812#ifdef CONFIG_PM
964dc9e2 3813 wiphy->wowlan = &ath6kl_wowlan_support;
dfb89c56 3814#endif
46d33a21 3815
8ab5415d 3816 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
46d33a21 3817
f2afdac7
VT		 3818 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3819 WIPHY_FLAG_HAVE_AP_SME |
3820 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3821 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3822
b1f47e3a 3823 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
f2afdac7
VT		 3824 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3825
03bdeb0d
VT		 3826 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3827 ar->fw_capabilities))
b292219f 3828 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
03bdeb0d 3829
f2afdac7
VT		 3830 ar->wiphy->probe_resp_offload =
3831 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3832 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
a432e7cc 3833 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
f2afdac7 3834
46d33a21
KV		 3835 ret = wiphy_register(wiphy);
3836 if (ret < 0) {
3837 ath6kl_err("couldn't register wiphy device\n");
3838 return ret;
3839 }
3840
e5348a1e
VT		 3841 ar->wiphy_registered = true;
3842
46d33a21
KV		 3843 return 0;
3844}
3845
3846void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
8dafb70e 3847{
be98e3a4 3848 wiphy_unregister(ar->wiphy);
e5348a1e
VT		 3849
3850 ar->wiphy_registered = false;
45eaa78f 3851}
46d33a21 3852
45eaa78f
KV		 3853struct ath6kl *ath6kl_cfg80211_create(void)
3854{
3855 struct ath6kl *ar;
3856 struct wiphy *wiphy;
3857
3858 /* create a new wiphy for use with cfg80211 */
3859 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3860
3861 if (!wiphy) {
3862 ath6kl_err("couldn't allocate wiphy device\n");
3863 return NULL;
3864 }
3865
3866 ar = wiphy_priv(wiphy);
3867 ar->wiphy = wiphy;
3868
3869 return ar;
3870}
3871
3872/* Note: ar variable must not be accessed after calling this! */
3873void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3874{
1d2a4456
VT		 3875 int i;
3876
3877 for (i = 0; i < AP_MAX_NUM_STA; i++)
3878 kfree(ar->sta_list[i].aggr_conn);
3879
be98e3a4 3880 wiphy_free(ar->wiphy);
bdcd8170 3881}
45eaa78f 3882
Linux kernel - Deliverables
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