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cfg80211: constify MAC addresses in cfg80211 ops
[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;
4eab6f4f 689 u16 cap_mask, cap_val;
01cac476
JM		 690 u8 *ie;
691
4eab6f4f
RM		 692 if (nw_type & ADHOC_NETWORK) {
693 cap_mask = WLAN_CAPABILITY_IBSS;
694 cap_val = WLAN_CAPABILITY_IBSS;
695 } else {
696 cap_mask = WLAN_CAPABILITY_ESS;
697 cap_val = WLAN_CAPABILITY_ESS;
698 }
699
be98e3a4 700 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
4eab6f4f
RM		 701 vif->ssid, vif->ssid_len,
702 cap_mask, cap_val);
01cac476
JM		 703 if (bss == NULL) {
704 /*
705 * Since cfg80211 may not yet know about the BSS,
706 * generate a partial entry until the first BSS info
707 * event becomes available.
708 *
709 * Prepend SSID element since it is not included in the Beacon
710 * IEs from the target.
711 */
3450334f 712 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
01cac476 713 if (ie == NULL)
5e13fd35 714 return NULL;
01cac476 715 ie[0] = WLAN_EID_SSID;
3450334f
VT		 716 ie[1] = vif->ssid_len;
717 memcpy(ie + 2, vif->ssid, vif->ssid_len);
718 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
be98e3a4 719 bss = cfg80211_inform_bss(ar->wiphy, chan,
4eab6f4f 720 bssid, 0, cap_val, 100,
3450334f 721 ie, 2 + vif->ssid_len + beacon_ie_len,
01cac476
JM		 722 0, GFP_KERNEL);
723 if (bss)
cdeb8602
KV		 724 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
725 "added bss %pM to cfg80211\n", bssid);
01cac476
JM		 726 kfree(ie);
727 } else
5e13fd35 728 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
01cac476 729
5e13fd35 730 return bss;
01cac476
JM		 731}
732
240d2799 733void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
bdcd8170
KV		 734 u8 *bssid, u16 listen_intvl,
735 u16 beacon_intvl,
736 enum network_type nw_type,
737 u8 beacon_ie_len, u8 assoc_req_len,
738 u8 assoc_resp_len, u8 *assoc_info)
739{
01cac476 740 struct ieee80211_channel *chan;
240d2799 741 struct ath6kl *ar = vif->ar;
5e13fd35 742 struct cfg80211_bss *bss;
bdcd8170
KV		 743
744 /* capinfo + listen interval */
745 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
746
747 /* capinfo + status code + associd */
748 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
749
750 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
751 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
752 assoc_resp_ie_offset;
753
754 assoc_req_len -= assoc_req_ie_offset;
755 assoc_resp_len -= assoc_resp_ie_offset;
756
32c10874
JM		 757 /*
758 * Store Beacon interval here; DTIM period will be available only once
759 * a Beacon frame from the AP is seen.
760 */
cf5333d7 761 vif->assoc_bss_beacon_int = beacon_intvl;
59c98449 762 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
32c10874 763
bdcd8170 764 if (nw_type & ADHOC_NETWORK) {
551959d8 765 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
bdcd8170
KV		 766 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
767 "%s: ath6k not in ibss mode\n", __func__);
768 return;
769 }
770 }
771
772 if (nw_type & INFRA_NETWORK) {
551959d8
VT		 773 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
774 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
bdcd8170
KV		 775 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
776 "%s: ath6k not in station mode\n", __func__);
777 return;
778 }
779 }
780
be98e3a4 781 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
bdcd8170 782
5e13fd35
VT		 783 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
784 assoc_info, beacon_ie_len);
785 if (!bss) {
4eab6f4f 786 ath6kl_err("could not add cfg80211 bss entry\n");
bdcd8170
KV		 787 return;
788 }
789
4eab6f4f
RM		 790 if (nw_type & ADHOC_NETWORK) {
791 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
792 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
fe94f3a4 793 cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL);
5b112d3d 794 cfg80211_put_bss(ar->wiphy, bss);
bdcd8170
KV		 795 return;
796 }
797
14ee6f6b 798 if (vif->sme_state == SME_CONNECTING) {
bdcd8170 799 /* inform connect result to cfg80211 */
14ee6f6b 800 vif->sme_state = SME_CONNECTED;
240d2799 801 cfg80211_connect_result(vif->ndev, bssid,
bdcd8170
KV		 802 assoc_req_ie, assoc_req_len,
803 assoc_resp_ie, assoc_resp_len,
804 WLAN_STATUS_SUCCESS, GFP_KERNEL);
5b112d3d 805 cfg80211_put_bss(ar->wiphy, bss);
14ee6f6b 806 } else if (vif->sme_state == SME_CONNECTED) {
bdcd8170 807 /* inform roam event to cfg80211 */
5e13fd35
VT		 808 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
809 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
bdcd8170
KV		 810 }
811}
812
813static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
814 struct net_device *dev, u16 reason_code)
815{
d6d5c06c 816 struct ath6kl *ar = ath6kl_priv(dev);
3450334f 817 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 818
819 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
820 reason_code);
821
10509f90
KV		 822 ath6kl_cfg80211_sscan_disable(vif);
823
990bd915 824 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 825 return -EIO;
826
827 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
828 ath6kl_err("busy, destroy in progress\n");
829 return -EBUSY;
830 }
831
832 if (down_interruptible(&ar->sem)) {
833 ath6kl_err("busy, couldn't get access\n");
834 return -ERESTARTSYS;
835 }
836
cf5333d7 837 vif->reconnect_flag = 0;
240d2799 838 ath6kl_disconnect(vif);
3450334f
VT		 839 memset(vif->ssid, 0, sizeof(vif->ssid));
840 vif->ssid_len = 0;
bdcd8170
KV		 841
842 if (!test_bit(SKIP_SCAN, &ar->flag))
8c8b65e3 843 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170
KV		 844
845 up(&ar->sem);
846
14ee6f6b 847 vif->sme_state = SME_DISCONNECTED;
170826dd 848
bdcd8170
KV		 849 return 0;
850}
851
240d2799 852void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
bdcd8170
KV		 853 u8 *bssid, u8 assoc_resp_len,
854 u8 *assoc_info, u16 proto_reason)
855{
240d2799 856 struct ath6kl *ar = vif->ar;
59c98449 857
14ee6f6b
VT		 858 if (vif->scan_req) {
859 cfg80211_scan_done(vif->scan_req, true);
860 vif->scan_req = NULL;
bdcd8170
KV		 861 }
862
f5938f24 863 if (vif->nw_type & ADHOC_NETWORK) {
fe94f3a4 864 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC)
bdcd8170
KV		 865 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
866 "%s: ath6k not in ibss mode\n", __func__);
bdcd8170
KV		 867 return;
868 }
869
f5938f24 870 if (vif->nw_type & INFRA_NETWORK) {
551959d8
VT		 871 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
872 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
bdcd8170
KV		 873 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
874 "%s: ath6k not in station mode\n", __func__);
875 return;
876 }
877 }
878
59c98449 879 clear_bit(CONNECT_PEND, &vif->flags);
bdcd8170 880
14ee6f6b 881 if (vif->sme_state == SME_CONNECTING) {
240d2799 882 cfg80211_connect_result(vif->ndev,
96f1fadc
KV		 883 bssid, NULL, 0,
884 NULL, 0,
885 WLAN_STATUS_UNSPECIFIED_FAILURE,
886 GFP_KERNEL);
14ee6f6b 887 } else if (vif->sme_state == SME_CONNECTED) {
33a6664a 888 cfg80211_disconnected(vif->ndev, proto_reason,
96f1fadc 889 NULL, 0, GFP_KERNEL);
bdcd8170
KV		 890 }
891
14ee6f6b 892 vif->sme_state = SME_DISCONNECTED;
33a6664a
TP		 893
894 /*
895 * Send a disconnect command to target when a disconnect event is
896 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
897 * request from host) to make the firmware stop trying to connect even
898 * after giving disconnect event. There will be one more disconnect
899 * event for this disconnect command with reason code DISCONNECT_CMD
900 * which won't be notified to cfg80211.
901 */
902 if (reason != DISCONNECT_CMD)
903 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
bdcd8170
KV		 904}
905
3b8ffc6a
JM		 906static int ath6kl_set_probed_ssids(struct ath6kl *ar,
907 struct ath6kl_vif *vif,
dd45b759
NS		 908 struct cfg80211_ssid *ssids, int n_ssids,
909 struct cfg80211_match_set *match_set,
910 int n_match_ssid)
3b8ffc6a 911{
dd45b759
NS		 912 u8 i, j, index_to_add, ssid_found = false;
913 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
914
915 memset(ssid_list, 0, sizeof(ssid_list));
3b8ffc6a 916
dd45b759
NS		 917 if (n_ssids > MAX_PROBED_SSIDS ||
918 n_match_ssid > MAX_PROBED_SSIDS)
3b8ffc6a
JM		 919 return -EINVAL;
920
921 for (i = 0; i < n_ssids; i++) {
dd45b759
NS		 922 memcpy(ssid_list[i].ssid.ssid,
923 ssids[i].ssid,
924 ssids[i].ssid_len);
925 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
926
927 if (ssids[i].ssid_len)
928 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
929 else
930 ssid_list[i].flag = ANY_SSID_FLAG;
931
932 if (n_match_ssid == 0)
933 ssid_list[i].flag |= MATCH_SSID_FLAG;
934 }
935
936 index_to_add = i;
937
938 for (i = 0; i < n_match_ssid; i++) {
939 ssid_found = false;
940
941 for (j = 0; j < n_ssids; j++) {
942 if ((match_set[i].ssid.ssid_len ==
943 ssid_list[j].ssid.ssid_len) &&
944 (!memcmp(ssid_list[j].ssid.ssid,
945 match_set[i].ssid.ssid,
946 match_set[i].ssid.ssid_len))) {
947 ssid_list[j].flag |= MATCH_SSID_FLAG;
948 ssid_found = true;
949 break;
950 }
951 }
952
953 if (ssid_found)
954 continue;
955
956 if (index_to_add >= MAX_PROBED_SSIDS)
957 continue;
958
959 ssid_list[index_to_add].ssid.ssid_len =
960 match_set[i].ssid.ssid_len;
961 memcpy(ssid_list[index_to_add].ssid.ssid,
962 match_set[i].ssid.ssid,
963 match_set[i].ssid.ssid_len);
964 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
965 index_to_add++;
966 }
967
968 for (i = 0; i < index_to_add; i++) {
3b8ffc6a 969 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
dd45b759
NS		 970 ssid_list[i].flag,
971 ssid_list[i].ssid.ssid_len,
972 ssid_list[i].ssid.ssid);
973
3b8ffc6a
JM		 974 }
975
976 /* Make sure no old entries are left behind */
dd45b759 977 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
3b8ffc6a
JM		 978 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
979 DISABLE_SSID_FLAG, 0, NULL);
980 }
981
982 return 0;
983}
984
fd014284 985static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
bdcd8170
KV		 986 struct cfg80211_scan_request *request)
987{
fd014284
JB		 988 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
989 struct ath6kl *ar = ath6kl_priv(vif->ndev);
1276c9ef
EL		 990 s8 n_channels = 0;
991 u16 *channels = NULL;
bdcd8170 992 int ret = 0;
f1f92179 993 u32 force_fg_scan = 0;
bdcd8170 994
990bd915 995 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 996 return -EIO;
997
10509f90
KV		 998 ath6kl_cfg80211_sscan_disable(vif);
999
bdcd8170 1000 if (!ar->usr_bss_filter) {
59c98449 1001 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
954e6ce5
VT		 1002 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1003 ALL_BSS_FILTER, 0);
1b1e6ee3 1004 if (ret) {
bdcd8170 1005 ath6kl_err("couldn't set bss filtering\n");
1b1e6ee3 1006 return ret;
bdcd8170
KV		 1007 }
1008 }
1009
3b8ffc6a 1010 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
dd45b759 1011 request->n_ssids, NULL, 0);
3b8ffc6a
JM		 1012 if (ret < 0)
1013 return ret;
bdcd8170 1014
080eec4f
AT		 1015 /* this also clears IE in fw if it's not set */
1016 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1017 WMI_FRAME_PROBE_REQ,
1018 request->ie, request->ie_len);
1019 if (ret) {
f1ff32e8 1020 ath6kl_err("failed to set Probe Request appie for scan\n");
080eec4f 1021 return ret;
b84da8c7
JM		 1022 }
1023
11869bef
JM		 1024 /*
1025 * Scan only the requested channels if the request specifies a set of
1026 * channels. If the list is longer than the target supports, do not
1027 * configure the list and instead, scan all available channels.
1028 */
1029 if (request->n_channels > 0 &&
1030 request->n_channels <= WMI_MAX_CHANNELS) {
1276c9ef
EL		 1031 u8 i;
1032
11869bef 1033 n_channels = request->n_channels;
1276c9ef
EL		 1034
1035 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1036 if (channels == NULL) {
cdeb8602 1037 ath6kl_warn("failed to set scan channels, scan all channels");
1276c9ef
EL		 1038 n_channels = 0;
1039 }
1040
1041 for (i = 0; i < n_channels; i++)
1042 channels[i] = request->channels[i]->center_freq;
1043 }
1044
59c98449 1045 if (test_bit(CONNECTED, &vif->flags))
f1f92179
VT		 1046 force_fg_scan = 1;
1047
5b35dff0
RM		 1048 vif->scan_req = request;
1049
11f0bfcf
KV		 1050 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1051 WMI_LONG_SCAN, force_fg_scan,
1052 false, 0,
1053 ATH6KL_FG_SCAN_INTERVAL,
1054 n_channels, channels,
1055 request->no_cck,
1056 request->rates);
5b35dff0 1057 if (ret) {
11f0bfcf 1058 ath6kl_err("failed to start scan: %d\n", ret);
5b35dff0
RM		 1059 vif->scan_req = NULL;
1060 }
bdcd8170 1061
1276c9ef
EL		 1062 kfree(channels);
1063
bdcd8170
KV		 1064 return ret;
1065}
1066
1c17d313 1067void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
bdcd8170 1068{
240d2799 1069 struct ath6kl *ar = vif->ar;
6fd1eace 1070 int i;
bdcd8170 1071
1c17d313
KV		 1072 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1073 aborted ? " aborted" : "");
bdcd8170 1074
14ee6f6b 1075 if (!vif->scan_req)
6fd1eace
KV		 1076 return;
1077
1c17d313 1078 if (aborted)
6fd1eace 1079 goto out;
6fd1eace 1080
14ee6f6b
VT		 1081 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1082 for (i = 0; i < vif->scan_req->n_ssids; i++) {
334234b5
VT		 1083 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1084 i + 1, DISABLE_SSID_FLAG,
6fd1eace 1085 0, NULL);
bdcd8170 1086 }
bdcd8170 1087 }
6fd1eace
KV		 1088
1089out:
cb93821a 1090 cfg80211_scan_done(vif->scan_req, aborted);
14ee6f6b 1091 vif->scan_req = NULL;
bdcd8170
KV		 1092}
1093
c4f7863e
TP		 1094void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1095 enum wmi_phy_mode mode)
1096{
683b6d3b 1097 struct cfg80211_chan_def chandef;
c4f7863e
TP		 1098
1099 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1100 "channel switch notify nw_type %d freq %d mode %d\n",
1101 vif->nw_type, freq, mode);
1102
3d9d1d66
JB		 1103 cfg80211_chandef_create(&chandef,
1104 ieee80211_get_channel(vif->ar->wiphy, freq),
1105 (mode == WMI_11G_HT20) ?
1106 NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT);
c4f7863e 1107
e487eaeb 1108 mutex_lock(&vif->wdev.mtx);
683b6d3b 1109 cfg80211_ch_switch_notify(vif->ndev, &chandef);
e487eaeb 1110 mutex_unlock(&vif->wdev.mtx);
c4f7863e
TP		 1111}
1112
bdcd8170
KV		 1113static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1114 u8 key_index, bool pairwise,
1115 const u8 *mac_addr,
1116 struct key_params *params)
1117{
d6d5c06c 1118 struct ath6kl *ar = ath6kl_priv(ndev);
59c98449 1119 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170 1120 struct ath6kl_key *key = NULL;
4a8ce2fd 1121 int seq_len;
bdcd8170
KV		 1122 u8 key_usage;
1123 u8 key_type;
bdcd8170 1124
990bd915 1125 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1126 return -EIO;
1127
837cb97e
JM		 1128 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1129 if (params->key_len != WMI_KRK_LEN)
1130 return -EINVAL;
240d2799
VT		 1131 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1132 params->key);
837cb97e
JM		 1133 }
1134
792ecb33 1135 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1136 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1137 "%s: key index %d out of bounds\n", __func__,
1138 key_index);
1139 return -ENOENT;
1140 }
1141
6f2a73f9 1142 key = &vif->keys[key_index];
bdcd8170
KV		 1143 memset(key, 0, sizeof(struct ath6kl_key));
1144
1145 if (pairwise)
1146 key_usage = PAIRWISE_USAGE;
1147 else
1148 key_usage = GROUP_USAGE;
1149
4a8ce2fd
SM		 1150 seq_len = params->seq_len;
1151 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1152 seq_len > ATH6KL_KEY_SEQ_LEN) {
1153 /* Only first half of the WPI PN is configured */
1154 seq_len = ATH6KL_KEY_SEQ_LEN;
bdcd8170 1155 }
4a8ce2fd
SM		 1156 if (params->key_len > WLAN_MAX_KEY_LEN ||
1157 seq_len > sizeof(key->seq))
1158 return -EINVAL;
1159
1160 key->key_len = params->key_len;
1161 memcpy(key->key, params->key, key->key_len);
1162 key->seq_len = seq_len;
1163 memcpy(key->seq, params->seq, key->seq_len);
1164 key->cipher = params->cipher;
bdcd8170
KV		 1165
1166 switch (key->cipher) {
1167 case WLAN_CIPHER_SUITE_WEP40:
1168 case WLAN_CIPHER_SUITE_WEP104:
1169 key_type = WEP_CRYPT;
1170 break;
1171
1172 case WLAN_CIPHER_SUITE_TKIP:
1173 key_type = TKIP_CRYPT;
1174 break;
1175
1176 case WLAN_CIPHER_SUITE_CCMP:
1177 key_type = AES_CRYPT;
1178 break;
5e07021e
DS		 1179 case WLAN_CIPHER_SUITE_SMS4:
1180 key_type = WAPI_CRYPT;
1181 break;
bdcd8170
KV		 1182
1183 default:
1184 return -ENOTSUPP;
1185 }
1186
ddc3d77c
KV		 1187 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1188 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1189 (key_usage & GROUP_USAGE))
de3ad713 1190 del_timer(&vif->disconnect_timer);
bdcd8170
KV		 1191
1192 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1193 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1194 __func__, key_index, key->key_len, key_type,
1195 key_usage, key->seq_len);
1196
f5938f24 1197 if (vif->nw_type == AP_NETWORK && !pairwise &&
4703290a 1198 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
cc4d623d 1199 key_type == WAPI_CRYPT)) {
9a5b1318
JM		 1200 ar->ap_mode_bkey.valid = true;
1201 ar->ap_mode_bkey.key_index = key_index;
1202 ar->ap_mode_bkey.key_type = key_type;
1203 ar->ap_mode_bkey.key_len = key->key_len;
1204 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
59c98449 1205 if (!test_bit(CONNECTED, &vif->flags)) {
cdeb8602
KV		 1206 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1207 "Delay initial group key configuration until AP mode has been started\n");
9a5b1318
JM		 1208 /*
1209 * The key will be set in ath6kl_connect_ap_mode() once
1210 * the connected event is received from the target.
1211 */
1212 return 0;
1213 }
1214 }
1215
f5938f24 1216 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
59c98449 1217 !test_bit(CONNECTED, &vif->flags)) {
151411e8
JM		 1218 /*
1219 * Store the key locally so that it can be re-configured after
1220 * the AP mode has properly started
1221 * (ath6kl_install_statioc_wep_keys).
1222 */
cdeb8602
KV		 1223 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1224 "Delay WEP key configuration until AP mode has been started\n");
6f2a73f9
VT		 1225 vif->wep_key_list[key_index].key_len = key->key_len;
1226 memcpy(vif->wep_key_list[key_index].key, key->key,
1227 key->key_len);
151411e8
JM		 1228 return 0;
1229 }
1230
7cefa44f 1231 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
f3e61ece
JM		 1232 key_type, key_usage, key->key_len,
1233 key->seq, key->seq_len, key->key,
1234 KEY_OP_INIT_VAL,
1235 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
bdcd8170
KV		 1236}
1237
1238static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1239 u8 key_index, bool pairwise,
1240 const u8 *mac_addr)
1241{
d6d5c06c 1242 struct ath6kl *ar = ath6kl_priv(ndev);
6f2a73f9 1243 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170
KV		 1244
1245 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1246
990bd915 1247 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1248 return -EIO;
1249
792ecb33 1250 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1251 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1252 "%s: key index %d out of bounds\n", __func__,
1253 key_index);
1254 return -ENOENT;
1255 }
1256
6f2a73f9 1257 if (!vif->keys[key_index].key_len) {
bdcd8170
KV		 1258 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1259 "%s: index %d is empty\n", __func__, key_index);
1260 return 0;
1261 }
1262
6f2a73f9 1263 vif->keys[key_index].key_len = 0;
bdcd8170 1264
334234b5 1265 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
bdcd8170
KV		 1266}
1267
1268static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1269 u8 key_index, bool pairwise,
1270 const u8 *mac_addr, void *cookie,
1271 void (*callback) (void *cookie,
1272 struct key_params *))
1273{
6f2a73f9 1274 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170
KV		 1275 struct ath6kl_key *key = NULL;
1276 struct key_params params;
1277
1278 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1279
990bd915 1280 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1281 return -EIO;
1282
792ecb33 1283 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1284 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1285 "%s: key index %d out of bounds\n", __func__,
1286 key_index);
1287 return -ENOENT;
1288 }
1289
6f2a73f9 1290 key = &vif->keys[key_index];
bdcd8170
KV		 1291 memset(&params, 0, sizeof(params));
1292 params.cipher = key->cipher;
1293 params.key_len = key->key_len;
1294 params.seq_len = key->seq_len;
1295 params.seq = key->seq;
1296 params.key = key->key;
1297
1298 callback(cookie, &params);
1299
1300 return key->key_len ? 0 : -ENOENT;
1301}
1302
1303static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1304 struct net_device *ndev,
1305 u8 key_index, bool unicast,
1306 bool multicast)
1307{
d6d5c06c 1308 struct ath6kl *ar = ath6kl_priv(ndev);
59c98449 1309 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170 1310 struct ath6kl_key *key = NULL;
bdcd8170 1311 u8 key_usage;
229ed6b5 1312 enum crypto_type key_type = NONE_CRYPT;
bdcd8170
KV		 1313
1314 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1315
990bd915 1316 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1317 return -EIO;
1318
792ecb33 1319 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1320 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1321 "%s: key index %d out of bounds\n",
1322 __func__, key_index);
1323 return -ENOENT;
1324 }
1325
6f2a73f9 1326 if (!vif->keys[key_index].key_len) {
bdcd8170
KV		 1327 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1328 __func__, key_index);
1329 return -EINVAL;
1330 }
1331
3450334f 1332 vif->def_txkey_index = key_index;
6f2a73f9 1333 key = &vif->keys[vif->def_txkey_index];
bdcd8170 1334 key_usage = GROUP_USAGE;
3450334f 1335 if (vif->prwise_crypto == WEP_CRYPT)
bdcd8170 1336 key_usage |= TX_USAGE;
229ed6b5 1337 if (unicast)
3450334f 1338 key_type = vif->prwise_crypto;
229ed6b5 1339 if (multicast)
3450334f 1340 key_type = vif->grp_crypto;
bdcd8170 1341
f5938f24 1342 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
9a5b1318
JM		 1343 return 0; /* Delay until AP mode has been started */
1344
f3e61ece
JM		 1345 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1346 vif->def_txkey_index,
1347 key_type, key_usage,
1348 key->key_len, key->seq, key->seq_len,
1349 key->key,
1350 KEY_OP_INIT_VAL, NULL,
1351 SYNC_BOTH_WMIFLAG);
bdcd8170
KV		 1352}
1353
240d2799 1354void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
bdcd8170
KV		 1355 bool ismcast)
1356{
1357 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1358 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1359
240d2799 1360 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
bdcd8170
KV		 1361 (ismcast ? NL80211_KEYTYPE_GROUP :
1362 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1363 GFP_KERNEL);
1364}
1365
1366static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1367{
1368 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915 1369 struct ath6kl_vif *vif;
bdcd8170
KV		 1370 int ret;
1371
1372 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1373 changed);
1374
990bd915
VT		 1375 vif = ath6kl_vif_first(ar);
1376 if (!vif)
1377 return -EIO;
1378
1379 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1380 return -EIO;
1381
1382 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1383 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1384 if (ret != 0) {
1385 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1386 return -EIO;
1387 }
1388 }
1389
1390 return 0;
1391}
1392
bdcd8170 1393static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
c8442118 1394 struct wireless_dev *wdev,
bdcd8170 1395 enum nl80211_tx_power_setting type,
b992a285 1396 int mbm)
bdcd8170
KV		 1397{
1398 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915 1399 struct ath6kl_vif *vif;
b992a285 1400 int dbm = MBM_TO_DBM(mbm);
bdcd8170
KV		 1401
1402 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1403 type, dbm);
1404
990bd915
VT		 1405 vif = ath6kl_vif_first(ar);
1406 if (!vif)
1407 return -EIO;
1408
1409 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1410 return -EIO;
1411
1412 switch (type) {
1413 case NL80211_TX_POWER_AUTOMATIC:
1414 return 0;
1415 case NL80211_TX_POWER_LIMITED:
d0d670ab 1416 ar->tx_pwr = dbm;
bdcd8170
KV		 1417 break;
1418 default:
1419 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1420 __func__, type);
1421 return -EOPNOTSUPP;
1422 }
1423
d0d670ab 1424 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
bdcd8170
KV		 1425
1426 return 0;
1427}
1428
c8442118
JB		 1429static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy,
1430 struct wireless_dev *wdev,
1431 int *dbm)
bdcd8170
KV		 1432{
1433 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915
VT		 1434 struct ath6kl_vif *vif;
1435
1436 vif = ath6kl_vif_first(ar);
1437 if (!vif)
1438 return -EIO;
bdcd8170 1439
990bd915 1440 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1441 return -EIO;
1442
59c98449 1443 if (test_bit(CONNECTED, &vif->flags)) {
bdcd8170
KV		 1444 ar->tx_pwr = 0;
1445
990bd915 1446 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
bdcd8170
KV		 1447 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1448 return -EIO;
1449 }
1450
1451 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1452 5 * HZ);
1453
1454 if (signal_pending(current)) {
1455 ath6kl_err("target did not respond\n");
1456 return -EINTR;
1457 }
1458 }
1459
1460 *dbm = ar->tx_pwr;
1461 return 0;
1462}
1463
1464static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1465 struct net_device *dev,
1466 bool pmgmt, int timeout)
1467{
1468 struct ath6kl *ar = ath6kl_priv(dev);
1469 struct wmi_power_mode_cmd mode;
334234b5 1470 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1471
1472 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1473 __func__, pmgmt, timeout);
1474
990bd915 1475 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1476 return -EIO;
1477
1478 if (pmgmt) {
f0ed67ec 1479 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
bdcd8170
KV		 1480 mode.pwr_mode = REC_POWER;
1481 } else {
f0ed67ec 1482 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
bdcd8170
KV		 1483 mode.pwr_mode = MAX_PERF_POWER;
1484 }
1485
334234b5 1486 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
96f1fadc 1487 mode.pwr_mode) != 0) {
bdcd8170
KV		 1488 ath6kl_err("wmi_powermode_cmd failed\n");
1489 return -EIO;
1490 }
1491
1492 return 0;
1493}
1494
84efbb84 1495static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
552bff0c 1496 const char *name,
84efbb84
JB		 1497 enum nl80211_iftype type,
1498 u32 *flags,
1499 struct vif_params *params)
55055976
VT		 1500{
1501 struct ath6kl *ar = wiphy_priv(wiphy);
84efbb84 1502 struct wireless_dev *wdev;
55055976
VT		 1503 u8 if_idx, nw_type;
1504
71f96ee6 1505 if (ar->num_vif == ar->vif_max) {
55055976
VT		 1506 ath6kl_err("Reached maximum number of supported vif\n");
1507 return ERR_PTR(-EINVAL);
1508 }
1509
1510 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1511 ath6kl_err("Not a supported interface type\n");
1512 return ERR_PTR(-EINVAL);
1513 }
1514
84efbb84
JB		 1515 wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1516 if (!wdev)
55055976
VT		 1517 return ERR_PTR(-ENOMEM);
1518
1519 ar->num_vif++;
1520
84efbb84 1521 return wdev;
55055976
VT		 1522}
1523
1524static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
84efbb84 1525 struct wireless_dev *wdev)
55055976
VT		 1526{
1527 struct ath6kl *ar = wiphy_priv(wiphy);
84efbb84 1528 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
55055976 1529
11f6e40d 1530 spin_lock_bh(&ar->list_lock);
55055976 1531 list_del(&vif->list);
11f6e40d 1532 spin_unlock_bh(&ar->list_lock);
55055976 1533
355b3a98 1534 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
55055976 1535
bc52aab3 1536 rtnl_lock();
c25889e8 1537 ath6kl_cfg80211_vif_cleanup(vif);
bc52aab3 1538 rtnl_unlock();
55055976
VT		 1539
1540 return 0;
1541}
1542
bdcd8170
KV		 1543static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1544 struct net_device *ndev,
1545 enum nl80211_iftype type, u32 *flags,
1546 struct vif_params *params)
1547{
f5938f24 1548 struct ath6kl_vif *vif = netdev_priv(ndev);
1e8d13b0 1549 int i;
bdcd8170
KV		 1550
1551 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1552
1e8d13b0
VT		 1553 /*
1554 * Don't bring up p2p on an interface which is not initialized
1555 * for p2p operation where fw does not have capability to switch
1556 * dynamically between non-p2p and p2p type interface.
1557 */
1558 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1559 vif->ar->fw_capabilities) &&
1560 (type == NL80211_IFTYPE_P2P_CLIENT ||
1561 type == NL80211_IFTYPE_P2P_GO)) {
1562 if (vif->ar->vif_max == 1) {
1563 if (vif->fw_vif_idx != 0)
1564 return -EINVAL;
1565 else
1566 goto set_iface_type;
1567 }
1568
1569 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1570 if (i == vif->fw_vif_idx)
1571 break;
1572 }
1573
1574 if (i == vif->ar->vif_max) {
1575 ath6kl_err("Invalid interface to bring up P2P\n");
1576 return -EINVAL;
1577 }
1578 }
1579
c422d52d
TP		 1580 /* need to clean up enhanced bmiss detection fw state */
1581 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1582
1e8d13b0 1583set_iface_type:
bdcd8170
KV		 1584 switch (type) {
1585 case NL80211_IFTYPE_STATION:
8aa659d2 1586 case NL80211_IFTYPE_P2P_CLIENT:
f5938f24 1587 vif->next_mode = INFRA_NETWORK;
bdcd8170
KV		 1588 break;
1589 case NL80211_IFTYPE_ADHOC:
f5938f24 1590 vif->next_mode = ADHOC_NETWORK;
bdcd8170 1591 break;
6e4604c8 1592 case NL80211_IFTYPE_AP:
6b5e5d25 1593 case NL80211_IFTYPE_P2P_GO:
f5938f24 1594 vif->next_mode = AP_NETWORK;
6b5e5d25 1595 break;
bdcd8170
KV		 1596 default:
1597 ath6kl_err("invalid interface type %u\n", type);
1598 return -EOPNOTSUPP;
1599 }
1600
551959d8 1601 vif->wdev.iftype = type;
bdcd8170
KV		 1602
1603 return 0;
1604}
1605
1606static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1607 struct net_device *dev,
1608 struct cfg80211_ibss_params *ibss_param)
1609{
1610 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 1611 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1612 int status;
1613
990bd915 1614 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1615 return -EIO;
1616
3450334f
VT		 1617 vif->ssid_len = ibss_param->ssid_len;
1618 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
bdcd8170 1619
683b6d3b
JB		 1620 if (ibss_param->chandef.chan)
1621 vif->ch_hint = ibss_param->chandef.chan->center_freq;
bdcd8170
KV		 1622
1623 if (ibss_param->channel_fixed) {
1624 /*
1625 * TODO: channel_fixed: The channel should be fixed, do not
1626 * search for IBSSs to join on other channels. Target
1627 * firmware does not support this feature, needs to be
1628 * updated.
1629 */
1630 return -EOPNOTSUPP;
1631 }
1632
8c8b65e3 1633 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170 1634 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
8c8b65e3
VT		 1635 memcpy(vif->req_bssid, ibss_param->bssid,
1636 sizeof(vif->req_bssid));
bdcd8170 1637
240d2799 1638 ath6kl_set_wpa_version(vif, 0);
bdcd8170 1639
240d2799 1640 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
bdcd8170
KV		 1641 if (status)
1642 return status;
1643
1644 if (ibss_param->privacy) {
240d2799
VT		 1645 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1646 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
bdcd8170 1647 } else {
240d2799
VT		 1648 ath6kl_set_cipher(vif, 0, true);
1649 ath6kl_set_cipher(vif, 0, false);
bdcd8170
KV		 1650 }
1651
f5938f24 1652 vif->nw_type = vif->next_mode;
bdcd8170
KV		 1653
1654 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1655 "%s: connect called with authmode %d dot11 auth %d"
1656 " PW crypto %d PW crypto len %d GRP crypto %d"
1657 " GRP crypto len %d channel hint %u\n",
1658 __func__,
3450334f
VT		 1659 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1660 vif->prwise_crypto_len, vif->grp_crypto,
f74bac54 1661 vif->grp_crypto_len, vif->ch_hint);
bdcd8170 1662
334234b5 1663 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
3450334f
VT		 1664 vif->dot11_auth_mode, vif->auth_mode,
1665 vif->prwise_crypto,
1666 vif->prwise_crypto_len,
1667 vif->grp_crypto, vif->grp_crypto_len,
1668 vif->ssid_len, vif->ssid,
f74bac54 1669 vif->req_bssid, vif->ch_hint,
3ca9d1fc 1670 ar->connect_ctrl_flags, SUBTYPE_NONE);
59c98449 1671 set_bit(CONNECT_PEND, &vif->flags);
bdcd8170
KV		 1672
1673 return 0;
1674}
1675
1676static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1677 struct net_device *dev)
1678{
3450334f 1679 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170 1680
990bd915 1681 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1682 return -EIO;
1683
240d2799 1684 ath6kl_disconnect(vif);
3450334f
VT		 1685 memset(vif->ssid, 0, sizeof(vif->ssid));
1686 vif->ssid_len = 0;
bdcd8170
KV		 1687
1688 return 0;
1689}
1690
1691static const u32 cipher_suites[] = {
1692 WLAN_CIPHER_SUITE_WEP40,
1693 WLAN_CIPHER_SUITE_WEP104,
1694 WLAN_CIPHER_SUITE_TKIP,
1695 WLAN_CIPHER_SUITE_CCMP,
837cb97e 1696 CCKM_KRK_CIPHER_SUITE,
5e07021e 1697 WLAN_CIPHER_SUITE_SMS4,
bdcd8170
KV		 1698};
1699
1700static bool is_rate_legacy(s32 rate)
1701{
1702 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1703 6000, 9000, 12000, 18000, 24000,
1704 36000, 48000, 54000
1705 };
1706 u8 i;
1707
1708 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1709 if (rate == legacy[i])
1710 return true;
1711
1712 return false;
1713}
1714
1715static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1716{
1717 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1718 52000, 58500, 65000, 72200
1719 };
1720 u8 i;
1721
1722 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1723 if (rate == ht20[i]) {
1724 if (i == ARRAY_SIZE(ht20) - 1)
1725 /* last rate uses sgi */
1726 *sgi = true;
1727 else
1728 *sgi = false;
1729
1730 *mcs = i;
1731 return true;
1732 }
1733 }
1734 return false;
1735}
1736
1737static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1738{
1739 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1740 81000, 108000, 121500, 135000,
1741 150000
1742 };
1743 u8 i;
1744
1745 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1746 if (rate == ht40[i]) {
1747 if (i == ARRAY_SIZE(ht40) - 1)
1748 /* last rate uses sgi */
1749 *sgi = true;
1750 else
1751 *sgi = false;
1752
1753 *mcs = i;
1754 return true;
1755 }
1756 }
1757
1758 return false;
1759}
1760
1761static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1762 const u8 *mac, struct station_info *sinfo)
bdcd8170
KV		 1763{
1764 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 1765 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1766 long left;
1767 bool sgi;
1768 s32 rate;
1769 int ret;
1770 u8 mcs;
1771
8c8b65e3 1772 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
bdcd8170
KV		 1773 return -ENOENT;
1774
1775 if (down_interruptible(&ar->sem))
1776 return -EBUSY;
1777
b95907a7 1778 set_bit(STATS_UPDATE_PEND, &vif->flags);
bdcd8170 1779
334234b5 1780 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
bdcd8170
KV		 1781
1782 if (ret != 0) {
1783 up(&ar->sem);
1784 return -EIO;
1785 }
1786
1787 left = wait_event_interruptible_timeout(ar->event_wq,
1788 !test_bit(STATS_UPDATE_PEND,
b95907a7 1789 &vif->flags),
bdcd8170
KV		 1790 WMI_TIMEOUT);
1791
1792 up(&ar->sem);
1793
1794 if (left == 0)
1795 return -ETIMEDOUT;
1796 else if (left < 0)
1797 return left;
1798
b95907a7
VT		 1799 if (vif->target_stats.rx_byte) {
1800 sinfo->rx_bytes = vif->target_stats.rx_byte;
8457703f 1801 sinfo->filled |= STATION_INFO_RX_BYTES64;
b95907a7 1802 sinfo->rx_packets = vif->target_stats.rx_pkt;
bdcd8170
KV		 1803 sinfo->filled |= STATION_INFO_RX_PACKETS;
1804 }
1805
b95907a7
VT		 1806 if (vif->target_stats.tx_byte) {
1807 sinfo->tx_bytes = vif->target_stats.tx_byte;
8457703f 1808 sinfo->filled |= STATION_INFO_TX_BYTES64;
b95907a7 1809 sinfo->tx_packets = vif->target_stats.tx_pkt;
bdcd8170
KV		 1810 sinfo->filled |= STATION_INFO_TX_PACKETS;
1811 }
1812
b95907a7 1813 sinfo->signal = vif->target_stats.cs_rssi;
bdcd8170
KV		 1814 sinfo->filled |= STATION_INFO_SIGNAL;
1815
b95907a7 1816 rate = vif->target_stats.tx_ucast_rate;
bdcd8170
KV		 1817
1818 if (is_rate_legacy(rate)) {
1819 sinfo->txrate.legacy = rate / 100;
1820 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1821 if (sgi) {
1822 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1823 sinfo->txrate.mcs = mcs - 1;
1824 } else {
1825 sinfo->txrate.mcs = mcs;
1826 }
1827
1828 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1829 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1830 if (sgi) {
1831 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1832 sinfo->txrate.mcs = mcs - 1;
1833 } else {
1834 sinfo->txrate.mcs = mcs;
1835 }
1836
1837 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
1838 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1839 } else {
9a730834
KV		 1840 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1841 "invalid rate from stats: %d\n", rate);
1842 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
bdcd8170
KV		 1843 return 0;
1844 }
1845
1846 sinfo->filled |= STATION_INFO_TX_BITRATE;
1847
59c98449
VT		 1848 if (test_bit(CONNECTED, &vif->flags) &&
1849 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
f5938f24 1850 vif->nw_type == INFRA_NETWORK) {
32c10874
JM		 1851 sinfo->filled |= STATION_INFO_BSS_PARAM;
1852 sinfo->bss_param.flags = 0;
cf5333d7
VT		 1853 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1854 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
32c10874
JM		 1855 }
1856
bdcd8170
KV		 1857 return 0;
1858}
1859
1860static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1861 struct cfg80211_pmksa *pmksa)
1862{
1863 struct ath6kl *ar = ath6kl_priv(netdev);
334234b5
VT		 1864 struct ath6kl_vif *vif = netdev_priv(netdev);
1865
1866 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
bdcd8170
KV		 1867 pmksa->pmkid, true);
1868}
1869
1870static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1871 struct cfg80211_pmksa *pmksa)
1872{
1873 struct ath6kl *ar = ath6kl_priv(netdev);
334234b5
VT		 1874 struct ath6kl_vif *vif = netdev_priv(netdev);
1875
1876 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
bdcd8170
KV		 1877 pmksa->pmkid, false);
1878}
1879
1880static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1881{
1882 struct ath6kl *ar = ath6kl_priv(netdev);
59c98449
VT		 1883 struct ath6kl_vif *vif = netdev_priv(netdev);
1884
1885 if (test_bit(CONNECTED, &vif->flags))
334234b5
VT		 1886 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1887 vif->bssid, NULL, false);
bdcd8170
KV		 1888 return 0;
1889}
1890
d91e8eee
RM		 1891static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1892 struct cfg80211_wowlan *wow, u32 *filter)
6cb3c714 1893{
d91e8eee 1894 int ret, pos;
2c07cf44 1895 u8 mask[WOW_PATTERN_SIZE];
6cb3c714 1896 u16 i;
6cb3c714 1897
d91e8eee 1898 /* Configure the patterns that we received from the user. */
6cb3c714
RM		 1899 for (i = 0; i < wow->n_patterns; i++) {
1900
1901 /*
1902 * Convert given nl80211 specific mask value to equivalent
1903 * driver specific mask value and send it to the chip along
1904 * with patterns. For example, If the mask value defined in
1905 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1906 * then equivalent driver specific mask value is
1907 * "0xFF 0x00 0xFF 0x00".
1908 */
1909 memset(&mask, 0, sizeof(mask));
1910 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1911 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1912 mask[pos] = 0xFF;
1913 }
1914 /*
1915 * Note: Pattern's offset is not passed as part of wowlan
1916 * parameter from CFG layer. So it's always passed as ZERO
1917 * to the firmware. It means, given WOW patterns are always
1918 * matched from the first byte of received pkt in the firmware.
1919 */
1920 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
d91e8eee
RM		 1921 vif->fw_vif_idx, WOW_LIST_ID,
1922 wow->patterns[i].pattern_len,
1923 0 /* pattern offset */,
1924 wow->patterns[i].pattern, mask);
6cb3c714
RM		 1925 if (ret)
1926 return ret;
1927 }
1928
d91e8eee
RM		 1929 if (wow->disconnect)
1930 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1931
1932 if (wow->magic_pkt)
1933 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1934
1935 if (wow->gtk_rekey_failure)
1936 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1937
1938 if (wow->eap_identity_req)
1939 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1940
1941 if (wow->four_way_handshake)
1942 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1943
1944 return 0;
1945}
1946
1947static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1948{
1949 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1950 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1951 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1952 0x00, 0x08 };
1953 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1954 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1955 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1956 0x00, 0x7f };
1957 u8 unicst_offset = 0;
1958 static const u8 arp_pattern[] = { 0x08, 0x06 };
1959 static const u8 arp_mask[] = { 0xff, 0xff };
1960 u8 arp_offset = 20;
1961 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1962 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1963 u8 discvr_offset = 38;
1964 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1965 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1966 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1967 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1968 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1969 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1970 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1971 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1972 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1973 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1974 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1975 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1976 u8 dhcp_offset = 0;
1977 int ret;
1978
1979 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1980 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1981 vif->fw_vif_idx, WOW_LIST_ID,
1982 sizeof(unicst_pattern), unicst_offset,
1983 unicst_pattern, unicst_mask);
1984 if (ret) {
1985 ath6kl_err("failed to add WOW unicast IP pattern\n");
1986 return ret;
1987 }
1988
1989 /* Setup all ARP pkt pattern */
1990 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1991 vif->fw_vif_idx, WOW_LIST_ID,
1992 sizeof(arp_pattern), arp_offset,
1993 arp_pattern, arp_mask);
1994 if (ret) {
1995 ath6kl_err("failed to add WOW ARP pattern\n");
1996 return ret;
1997 }
1998
1999 /*
2000 * Setup multicast pattern for mDNS 224.0.0.251,
2001 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2002 */
2003 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2004 vif->fw_vif_idx, WOW_LIST_ID,
2005 sizeof(discvr_pattern), discvr_offset,
2006 discvr_pattern, discvr_mask);
2007 if (ret) {
2008 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2009 return ret;
2010 }
2011
2012 /* Setup all DHCP broadcast pkt pattern */
2013 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2014 vif->fw_vif_idx, WOW_LIST_ID,
2015 sizeof(dhcp_pattern), dhcp_offset,
2016 dhcp_pattern, dhcp_mask);
2017 if (ret) {
2018 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2019 return ret;
2020 }
2021
2022 return 0;
2023}
2024
2025static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2026{
2027 struct net_device *ndev = vif->ndev;
2028 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2029 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2030 u8 discvr_offset = 38;
2031 u8 mac_mask[ETH_ALEN];
2032 int ret;
2033
2034 /* Setup unicast pkt pattern */
2035 memset(mac_mask, 0xff, ETH_ALEN);
2036 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2037 vif->fw_vif_idx, WOW_LIST_ID,
2038 ETH_ALEN, 0, ndev->dev_addr,
2039 mac_mask);
2040 if (ret) {
2041 ath6kl_err("failed to add WOW unicast pattern\n");
2042 return ret;
2043 }
2044
2045 /*
2046 * Setup multicast pattern for mDNS 224.0.0.251,
2047 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2048 */
2049 if ((ndev->flags & IFF_ALLMULTI) ||
2050 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2051 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2052 vif->fw_vif_idx, WOW_LIST_ID,
2053 sizeof(discvr_pattern), discvr_offset,
2054 discvr_pattern, discvr_mask);
2055 if (ret) {
cdeb8602 2056 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
d91e8eee
RM		 2057 return ret;
2058 }
2059 }
2060
2061 return 0;
2062}
2063
055bde49
RM		 2064static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2065{
2066 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2067}
2068
2069static bool is_ctrl_ep_empty(struct ath6kl *ar)
2070{
2071 return !ar->tx_pending[ar->ctrl_ep];
2072}
2073
2074static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2075{
2076 int ret, left;
2077
2078 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2079
2080 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2081 ATH6KL_HOST_MODE_ASLEEP);
2082 if (ret)
2083 return ret;
2084
2085 left = wait_event_interruptible_timeout(ar->event_wq,
2086 is_hsleep_mode_procsed(vif),
2087 WMI_TIMEOUT);
2088 if (left == 0) {
2089 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2090 ret = -ETIMEDOUT;
2091 } else if (left < 0) {
2092 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2093 left);
2094 ret = left;
2095 }
2096
2097 if (ar->tx_pending[ar->ctrl_ep]) {
2098 left = wait_event_interruptible_timeout(ar->event_wq,
2099 is_ctrl_ep_empty(ar),
2100 WMI_TIMEOUT);
2101 if (left == 0) {
2102 ath6kl_warn("clear wmi ctrl data timeout\n");
2103 ret = -ETIMEDOUT;
2104 } else if (left < 0) {
2105 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2106 ret = left;
2107 }
2108 }
2109
2110 return ret;
2111}
2112
fd4377b6
TP		 2113static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2114 struct cfg80211_wowlan *wow, u32 *filter)
d91e8eee 2115{
fd4377b6 2116 struct ath6kl *ar = vif->ar;
d91e8eee
RM		 2117 struct in_device *in_dev;
2118 struct in_ifaddr *ifa;
055bde49 2119 int ret;
ce0dc0cf 2120 u16 i, bmiss_time;
d91e8eee 2121 __be32 ips[MAX_IP_ADDRS];
fd4377b6 2122 u8 index = 0;
d91e8eee 2123
6821d4f0
NG		 2124 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2125 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2126 ar->fw_capabilities)) {
6251d801
NG		 2127 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2128 vif->fw_vif_idx, false);
2129 if (ret)
2130 return ret;
2131 }
2132
d91e8eee
RM		 2133 /* Clear existing WOW patterns */
2134 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2135 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2136 WOW_LIST_ID, i);
2137
2138 /*
2139 * Skip the default WOW pattern configuration
2140 * if the driver receives any WOW patterns from
2141 * the user.
2142 */
2143 if (wow)
fd4377b6 2144 ret = ath6kl_wow_usr(ar, vif, wow, filter);
d91e8eee
RM		 2145 else if (vif->nw_type == AP_NETWORK)
2146 ret = ath6kl_wow_ap(ar, vif);
2147 else
2148 ret = ath6kl_wow_sta(ar, vif);
2149
2150 if (ret)
2151 return ret;
2152
390a8c8f
RM		 2153 netif_stop_queue(vif->ndev);
2154
ce0dc0cf
RM		 2155 if (vif->nw_type != AP_NETWORK) {
2156 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2157 ATH6KL_MAX_WOW_LISTEN_INTL,
2158 0);
2159 if (ret)
2160 return ret;
2161
2162 /* Set listen interval x 15 times as bmiss time */
2163 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2164 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2165 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2166
2167 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2168 bmiss_time, 0);
2169 if (ret)
2170 return ret;
2171
2172 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2173 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2174 0, 0, 0, 0);
2175 if (ret)
2176 return ret;
2177 }
2178
c08631c6
RM		 2179 /* Setup own IP addr for ARP agent. */
2180 in_dev = __in_dev_get_rtnl(vif->ndev);
2181 if (!in_dev)
fd4377b6 2182 return 0;
c08631c6
RM		 2183
2184 ifa = in_dev->ifa_list;
2185 memset(&ips, 0, sizeof(ips));
2186
2187 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2188 while (index < MAX_IP_ADDRS && ifa) {
2189 ips[index] = ifa->ifa_local;
2190 ifa = ifa->ifa_next;
2191 index++;
2192 }
2193
2194 if (ifa) {
2195 ath6kl_err("total IP addr count is exceeding fw limit\n");
2196 return -EINVAL;
2197 }
2198
2199 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2200 if (ret) {
2201 ath6kl_err("fail to setup ip for arp agent\n");
2202 return ret;
2203 }
2204
fd4377b6
TP		 2205 return ret;
2206}
2207
2208static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2209{
2210 struct ath6kl_vif *first_vif, *vif;
2211 int ret = 0;
2212 u32 filter = 0;
2213 bool connected = false;
2214
2215 /* enter / leave wow suspend on first vif always */
2216 first_vif = ath6kl_vif_first(ar);
2217 if (WARN_ON(unlikely(!first_vif)) ||
2218 !ath6kl_cfg80211_ready(first_vif))
2219 return -EIO;
2220
2221 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2222 return -EINVAL;
2223
2224 /* install filters for each connected vif */
2225 spin_lock_bh(&ar->list_lock);
2226 list_for_each_entry(vif, &ar->vif_list, list) {
2227 if (!test_bit(CONNECTED, &vif->flags) ||
2228 !ath6kl_cfg80211_ready(vif))
2229 continue;
2230 connected = true;
2231
2232 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2233 if (ret)
2234 break;
2235 }
2236 spin_unlock_bh(&ar->list_lock);
2237
2238 if (!connected)
2239 return -ENOTCONN;
2240 else if (ret)
2241 return ret;
2242
2243 ar->state = ATH6KL_STATE_SUSPENDING;
2244
2245 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
6cb3c714
RM		 2246 ATH6KL_WOW_MODE_ENABLE,
2247 filter,
2248 WOW_HOST_REQ_DELAY);
2249 if (ret)
2250 return ret;
2251
fd4377b6 2252 return ath6kl_cfg80211_host_sleep(ar, first_vif);
6cb3c714
RM		 2253}
2254
fd4377b6 2255static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
6cb3c714 2256{
fd4377b6 2257 struct ath6kl *ar = vif->ar;
6cb3c714
RM		 2258 int ret;
2259
ce0dc0cf
RM		 2260 if (vif->nw_type != AP_NETWORK) {
2261 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2262 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2263 if (ret)
2264 return ret;
2265
2266 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2267 vif->listen_intvl_t, 0);
2268 if (ret)
2269 return ret;
2270
2271 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2272 vif->bmiss_time_t, 0);
2273 if (ret)
2274 return ret;
2275 }
2276
6821d4f0
NG		 2277 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2278 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2279 ar->fw_capabilities)) {
6251d801 2280 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
fd4377b6 2281 vif->fw_vif_idx, true);
6251d801
NG		 2282 if (ret)
2283 return ret;
2284 }
2285
390a8c8f
RM		 2286 netif_wake_queue(vif->ndev);
2287
2288 return 0;
6cb3c714
RM		 2289}
2290
fd4377b6
TP		 2291static int ath6kl_wow_resume(struct ath6kl *ar)
2292{
2293 struct ath6kl_vif *vif;
2294 int ret;
2295
2296 vif = ath6kl_vif_first(ar);
2297 if (WARN_ON(unlikely(!vif)) ||
2298 !ath6kl_cfg80211_ready(vif))
2299 return -EIO;
2300
2301 ar->state = ATH6KL_STATE_RESUMING;
2302
2303 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2304 ATH6KL_HOST_MODE_AWAKE);
2305 if (ret) {
2306 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2307 ret);
2308 goto cleanup;
2309 }
2310
2311 spin_lock_bh(&ar->list_lock);
2312 list_for_each_entry(vif, &ar->vif_list, list) {
2313 if (!test_bit(CONNECTED, &vif->flags) ||
2314 !ath6kl_cfg80211_ready(vif))
2315 continue;
2316 ret = ath6kl_wow_resume_vif(vif);
2317 if (ret)
2318 break;
2319 }
2320 spin_unlock_bh(&ar->list_lock);
2321
2322 if (ret)
2323 goto cleanup;
2324
2325 ar->state = ATH6KL_STATE_ON;
2326 return 0;
2327
2328cleanup:
2329 ar->state = ATH6KL_STATE_WOW;
2330 return ret;
2331}
2332
40abc2de
RM		 2333static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2334{
2335 struct ath6kl_vif *vif;
2336 int ret;
2337
2338 vif = ath6kl_vif_first(ar);
2339 if (!vif)
2340 return -EIO;
2341
48f27587
MJ		 2342 if (!test_bit(WMI_READY, &ar->flag)) {
2343 ath6kl_err("deepsleep failed as wmi is not ready\n");
40abc2de 2344 return -EIO;
48f27587 2345 }
40abc2de
RM		 2346
2347 ath6kl_cfg80211_stop_all(ar);
2348
2349 /* Save the current power mode before enabling power save */
2350 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2351
2352 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2353 if (ret)
2354 return ret;
2355
2356 /* Disable WOW mode */
2357 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2358 ATH6KL_WOW_MODE_DISABLE,
2359 0, 0);
2360 if (ret)
2361 return ret;
2362
2363 /* Flush all non control pkts in TX path */
2364 ath6kl_tx_data_cleanup(ar);
2365
2366 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2367 if (ret)
2368 return ret;
2369
2370 return 0;
2371}
2372
2373static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2374{
2375 struct ath6kl_vif *vif;
2376 int ret;
2377
2378 vif = ath6kl_vif_first(ar);
2379
2380 if (!vif)
2381 return -EIO;
2382
2383 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2384 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2385 ar->wmi->saved_pwr_mode);
2386 if (ret)
2387 return ret;
2388 }
2389
2390 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2391 ATH6KL_HOST_MODE_AWAKE);
2392 if (ret)
2393 return ret;
2394
2395 ar->state = ATH6KL_STATE_ON;
2396
2397 /* Reset scan parameter to default values */
2398 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2399 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2400 if (ret)
2401 return ret;
2402
2403 return 0;
2404}
2405
52d81a68 2406int ath6kl_cfg80211_suspend(struct ath6kl *ar,
0f60e9f4
RM		 2407 enum ath6kl_cfg_suspend_mode mode,
2408 struct cfg80211_wowlan *wow)
52d81a68 2409{
3d79499c 2410 struct ath6kl_vif *vif;
390a8c8f 2411 enum ath6kl_state prev_state;
52d81a68
KV		 2412 int ret;
2413
52d81a68 2414 switch (mode) {
d7c44e0b
RM		 2415 case ATH6KL_CFG_SUSPEND_WOW:
2416
2417 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2418
2419 /* Flush all non control pkts in TX path */
2420 ath6kl_tx_data_cleanup(ar);
2421
390a8c8f
RM		 2422 prev_state = ar->state;
2423
d7c44e0b 2424 ret = ath6kl_wow_suspend(ar, wow);
390a8c8f
RM		 2425 if (ret) {
2426 ar->state = prev_state;
d7c44e0b 2427 return ret;
390a8c8f 2428 }
1e9a905d 2429
d7c44e0b
RM		 2430 ar->state = ATH6KL_STATE_WOW;
2431 break;
2432
52d81a68 2433 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
524441e3 2434
40abc2de 2435 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
52d81a68 2436
40abc2de 2437 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
52d81a68 2438 if (ret) {
40abc2de
RM		 2439 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2440 return ret;
52d81a68
KV		 2441 }
2442
76a9fbe2
KV		 2443 ar->state = ATH6KL_STATE_DEEPSLEEP;
2444
52d81a68 2445 break;
b4b2a0b1
KV		 2446
2447 case ATH6KL_CFG_SUSPEND_CUTPOWER:
524441e3 2448
7125f01d 2449 ath6kl_cfg80211_stop_all(ar);
524441e3 2450
b4b2a0b1
KV		 2451 if (ar->state == ATH6KL_STATE_OFF) {
2452 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2453 "suspend hw off, no action for cutpower\n");
2454 break;
2455 }
2456
2457 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2458
2459 ret = ath6kl_init_hw_stop(ar);
2460 if (ret) {
2461 ath6kl_warn("failed to stop hw during suspend: %d\n",
2462 ret);
2463 }
2464
2465 ar->state = ATH6KL_STATE_CUTPOWER;
2466
2467 break;
2468
2469 default:
2470 break;
52d81a68
KV		 2471 }
2472
3d79499c
VN		 2473 list_for_each_entry(vif, &ar->vif_list, list)
2474 ath6kl_cfg80211_scan_complete_event(vif, true);
2475
52d81a68
KV		 2476 return 0;
2477}
d6a434d6 2478EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
52d81a68
KV		 2479
2480int ath6kl_cfg80211_resume(struct ath6kl *ar)
2481{
76a9fbe2
KV		 2482 int ret;
2483
2484 switch (ar->state) {
d7c44e0b
RM		 2485 case ATH6KL_STATE_WOW:
2486 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2487
2488 ret = ath6kl_wow_resume(ar);
2489 if (ret) {
2490 ath6kl_warn("wow mode resume failed: %d\n", ret);
2491 return ret;
2492 }
2493
d7c44e0b
RM		 2494 break;
2495
76a9fbe2 2496 case ATH6KL_STATE_DEEPSLEEP:
40abc2de 2497 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
76a9fbe2 2498
40abc2de
RM		 2499 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2500 if (ret) {
2501 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2502 return ret;
2503 }
76a9fbe2
KV		 2504 break;
2505
b4b2a0b1
KV		 2506 case ATH6KL_STATE_CUTPOWER:
2507 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2508
2509 ret = ath6kl_init_hw_start(ar);
2510 if (ret) {
2511 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2512 return ret;
2513 }
d7c44e0b 2514 break;
b4b2a0b1 2515
76a9fbe2
KV		 2516 default:
2517 break;
52d81a68
KV		 2518 }
2519
2520 return 0;
2521}
d6a434d6 2522EXPORT_SYMBOL(ath6kl_cfg80211_resume);
52d81a68 2523
abcb344b 2524#ifdef CONFIG_PM
52d81a68
KV		 2525
2526/* hif layer decides what suspend mode to use */
2527static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
abcb344b
KV		 2528 struct cfg80211_wowlan *wow)
2529{
2530 struct ath6kl *ar = wiphy_priv(wiphy);
2531
84caf800
VT		 2532 ath6kl_recovery_suspend(ar);
2533
0f60e9f4 2534 return ath6kl_hif_suspend(ar, wow);
abcb344b 2535}
aa6cffc1 2536
52d81a68 2537static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
aa6cffc1
CN		 2538{
2539 struct ath6kl *ar = wiphy_priv(wiphy);
84caf800
VT		 2540 int err;
2541
2542 err = ath6kl_hif_resume(ar);
2543 if (err)
2544 return err;
aa6cffc1 2545
92332993 2546 ath6kl_recovery_resume(ar);
aa6cffc1 2547
84caf800 2548 return 0;
aa6cffc1 2549}
a918fb3c
RM		 2550
2551/*
2552 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2553 * both sdio irq wake up and keep power. The target pulls sdio data line to
2554 * wake up the host when WOW pattern matches. This causes sdio irq handler
2555 * is being called in the host side which internally hits ath6kl's RX path.
2556 *
2557 * Since sdio interrupt is not disabled, RX path executes even before
2558 * the host executes the actual resume operation from PM module.
2559 *
2560 * In the current scenario, WOW resume should happen before start processing
2561 * any data from the target. So It's required to perform WOW resume in RX path.
2562 * Ideally we should perform WOW resume only in the actual platform
2563 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2564 *
2565 * ath6kl_check_wow_status() is called from ath6kl_rx().
2566 */
2567void ath6kl_check_wow_status(struct ath6kl *ar)
2568{
390a8c8f
RM		 2569 if (ar->state == ATH6KL_STATE_SUSPENDING)
2570 return;
2571
a918fb3c
RM		 2572 if (ar->state == ATH6KL_STATE_WOW)
2573 ath6kl_cfg80211_resume(ar);
2574}
2575
2576#else
2577
2578void ath6kl_check_wow_status(struct ath6kl *ar)
2579{
2580}
abcb344b
KV		 2581#endif
2582
df90b369
VT		 2583static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2584 bool ht_enable)
6a7c9bad 2585{
67b3f129 2586 struct ath6kl_htcap *htcap = &vif->htcap[band];
6a7c9bad 2587
df90b369
VT		 2588 if (htcap->ht_enable == ht_enable)
2589 return 0;
6a7c9bad 2590
df90b369
VT		 2591 if (ht_enable) {
2592 /* Set default ht capabilities */
2593 htcap->ht_enable = true;
2594 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2595 ath6kl_g_htcap : ath6kl_a_htcap;
2596 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2597 } else /* Disable ht */
2598 memset(htcap, 0, sizeof(*htcap));
6a7c9bad 2599
df90b369
VT		 2600 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2601 band, htcap);
6a7c9bad
JM		 2602}
2603
37a2f950
TP		 2604static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2605{
2606 struct wiphy *wiphy = vif->ar->wiphy;
2607 int band, ret = 0;
2608
2609 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2610 if (!wiphy->bands[band])
2611 continue;
2612
2613 ret = ath6kl_set_htcap(vif, band,
2614 wiphy->bands[band]->ht_cap.ht_supported);
2615 if (ret)
2616 return ret;
2617 }
2618
2619 return ret;
2620}
2621
8bdfbf40
JM		 2622static bool ath6kl_is_p2p_ie(const u8 *pos)
2623{
2624 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2625 pos[2] == 0x50 && pos[3] == 0x6f &&
2626 pos[4] == 0x9a && pos[5] == 0x09;
2627}
2628
334234b5
VT		 2629static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2630 const u8 *ies, size_t ies_len)
8bdfbf40 2631{
334234b5 2632 struct ath6kl *ar = vif->ar;
8bdfbf40
JM		 2633 const u8 *pos;
2634 u8 *buf = NULL;
2635 size_t len = 0;
2636 int ret;
2637
2638 /*
2639 * Filter out P2P IE(s) since they will be included depending on
2640 * the Probe Request frame in ath6kl_send_go_probe_resp().
2641 */
2642
2643 if (ies && ies_len) {
2644 buf = kmalloc(ies_len, GFP_KERNEL);
2645 if (buf == NULL)
2646 return -ENOMEM;
2647 pos = ies;
2648 while (pos + 1 < ies + ies_len) {
2649 if (pos + 2 + pos[1] > ies + ies_len)
2650 break;
2651 if (!ath6kl_is_p2p_ie(pos)) {
2652 memcpy(buf + len, pos, 2 + pos[1]);
2653 len += 2 + pos[1];
2654 }
2655 pos += 2 + pos[1];
2656 }
2657 }
2658
334234b5
VT		 2659 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2660 WMI_FRAME_PROBE_RESP, buf, len);
8bdfbf40
JM		 2661 kfree(buf);
2662 return ret;
2663}
2664
8860020e
JB		 2665static int ath6kl_set_ies(struct ath6kl_vif *vif,
2666 struct cfg80211_beacon_data *info)
6a7c9bad 2667{
8860020e 2668 struct ath6kl *ar = vif->ar;
6a7c9bad 2669 int res;
6a7c9bad 2670
17a7b16d
AT		 2671 /* this also clears IE in fw if it's not set */
2672 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2673 WMI_FRAME_BEACON,
2674 info->beacon_ies,
2675 info->beacon_ies_len);
2676 if (res)
2677 return res;
2678
2679 /* this also clears IE in fw if it's not set */
2680 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2681 info->proberesp_ies_len);
2682 if (res)
2683 return res;
2684
2685 /* this also clears IE in fw if it's not set */
2686 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2687 WMI_FRAME_ASSOC_RESP,
2688 info->assocresp_ies,
2689 info->assocresp_ies_len);
2690 if (res)
2691 return res;
6a7c9bad 2692
8860020e
JB		 2693 return 0;
2694}
2695
d97c121b
VT		 2696static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2697 u8 *rsn_capab)
2698{
2699 const u8 *rsn_ie;
2700 size_t rsn_ie_len;
2701 u16 cnt;
2702
2703 if (!beacon->tail)
2704 return -EINVAL;
2705
2706 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2707 if (!rsn_ie)
2708 return -EINVAL;
2709
2710 rsn_ie_len = *(rsn_ie + 1);
2711 /* skip element id and length */
2712 rsn_ie += 2;
2713
9e8b16db
VT		 2714 /* skip version */
2715 if (rsn_ie_len < 2)
d97c121b 2716 return -EINVAL;
9e8b16db
VT		 2717 rsn_ie += 2;
2718 rsn_ie_len -= 2;
2719
2720 /* skip group cipher suite */
2721 if (rsn_ie_len < 4)
2722 return 0;
2723 rsn_ie += 4;
2724 rsn_ie_len -= 4;
d97c121b
VT		 2725
2726 /* skip pairwise cipher suite */
2727 if (rsn_ie_len < 2)
9e8b16db 2728 return 0;
798985c6 2729 cnt = get_unaligned_le16(rsn_ie);
d97c121b
VT		 2730 rsn_ie += (2 + cnt * 4);
2731 rsn_ie_len -= (2 + cnt * 4);
2732
2733 /* skip akm suite */
2734 if (rsn_ie_len < 2)
9e8b16db 2735 return 0;
798985c6 2736 cnt = get_unaligned_le16(rsn_ie);
d97c121b
VT		 2737 rsn_ie += (2 + cnt * 4);
2738 rsn_ie_len -= (2 + cnt * 4);
2739
2740 if (rsn_ie_len < 2)
9e8b16db 2741 return 0;
d97c121b
VT		 2742
2743 memcpy(rsn_capab, rsn_ie, 2);
2744
2745 return 0;
2746}
2747
8860020e
JB		 2748static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2749 struct cfg80211_ap_settings *info)
6a7c9bad
JM		 2750{
2751 struct ath6kl *ar = ath6kl_priv(dev);
3450334f 2752 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2753 struct ieee80211_mgmt *mgmt;
67cd22e4 2754 bool hidden = false;
6a7c9bad
JM		 2755 u8 *ies;
2756 int ies_len;
2757 struct wmi_connect_cmd p;
2758 int res;
be5abaaf 2759 int i, ret;
d97c121b 2760 u16 rsn_capab = 0;
7ac25eac 2761 int inactivity_timeout = 0;
6a7c9bad 2762
8860020e 2763 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
6a7c9bad 2764
990bd915 2765 if (!ath6kl_cfg80211_ready(vif))
6a7c9bad
JM		 2766 return -EIO;
2767
f5938f24 2768 if (vif->next_mode != AP_NETWORK)
6a7c9bad
JM		 2769 return -EOPNOTSUPP;
2770
8860020e 2771 res = ath6kl_set_ies(vif, &info->beacon);
6a7c9bad 2772
9a5b1318
JM		 2773 ar->ap_mode_bkey.valid = false;
2774
eb922e4b
MSS		 2775 ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx,
2776 info->beacon_interval);
2777
2778 if (ret)
2779 ath6kl_warn("Failed to set beacon interval: %d\n", ret);
6a7c9bad 2780
d154f32e
EL		 2781 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2782 info->dtim_period);
2783
2784 /* ignore error, just print a warning and continue normally */
2785 if (ret)
2786 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2787
8860020e 2788 if (info->beacon.head == NULL)
6a7c9bad 2789 return -EINVAL;
8860020e 2790 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
6a7c9bad 2791 ies = mgmt->u.beacon.variable;
8860020e 2792 if (ies > info->beacon.head + info->beacon.head_len)
6a7c9bad 2793 return -EINVAL;
8860020e 2794 ies_len = info->beacon.head + info->beacon.head_len - ies;
6a7c9bad
JM		 2795
2796 if (info->ssid == NULL)
2797 return -EINVAL;
3450334f
VT		 2798 memcpy(vif->ssid, info->ssid, info->ssid_len);
2799 vif->ssid_len = info->ssid_len;
6a7c9bad 2800 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
67cd22e4
TP		 2801 hidden = true;
2802
2803 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2804 if (res)
2805 return res;
6a7c9bad 2806
be5abaaf
VT		 2807 ret = ath6kl_set_auth_type(vif, info->auth_type);
2808 if (ret)
2809 return ret;
6a7c9bad
JM		 2810
2811 memset(&p, 0, sizeof(p));
2812
2813 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2814 switch (info->crypto.akm_suites[i]) {
2815 case WLAN_AKM_SUITE_8021X:
2816 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2817 p.auth_mode |= WPA_AUTH;
2818 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2819 p.auth_mode |= WPA2_AUTH;
2820 break;
2821 case WLAN_AKM_SUITE_PSK:
2822 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2823 p.auth_mode |= WPA_PSK_AUTH;
2824 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2825 p.auth_mode |= WPA2_PSK_AUTH;
2826 break;
2827 }
2828 }
2829 if (p.auth_mode == 0)
2830 p.auth_mode = NONE_AUTH;
3450334f 2831 vif->auth_mode = p.auth_mode;
6a7c9bad
JM		 2832
2833 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2834 switch (info->crypto.ciphers_pairwise[i]) {
2835 case WLAN_CIPHER_SUITE_WEP40:
2836 case WLAN_CIPHER_SUITE_WEP104:
2837 p.prwise_crypto_type |= WEP_CRYPT;
2838 break;
2839 case WLAN_CIPHER_SUITE_TKIP:
2840 p.prwise_crypto_type |= TKIP_CRYPT;
2841 break;
2842 case WLAN_CIPHER_SUITE_CCMP:
2843 p.prwise_crypto_type |= AES_CRYPT;
2844 break;
b8214df1
DS		 2845 case WLAN_CIPHER_SUITE_SMS4:
2846 p.prwise_crypto_type |= WAPI_CRYPT;
2847 break;
6a7c9bad
JM		 2848 }
2849 }
229ed6b5 2850 if (p.prwise_crypto_type == 0) {
6a7c9bad 2851 p.prwise_crypto_type = NONE_CRYPT;
240d2799 2852 ath6kl_set_cipher(vif, 0, true);
229ed6b5 2853 } else if (info->crypto.n_ciphers_pairwise == 1)
240d2799 2854 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
6a7c9bad
JM		 2855
2856 switch (info->crypto.cipher_group) {
2857 case WLAN_CIPHER_SUITE_WEP40:
2858 case WLAN_CIPHER_SUITE_WEP104:
2859 p.grp_crypto_type = WEP_CRYPT;
2860 break;
2861 case WLAN_CIPHER_SUITE_TKIP:
2862 p.grp_crypto_type = TKIP_CRYPT;
2863 break;
2864 case WLAN_CIPHER_SUITE_CCMP:
2865 p.grp_crypto_type = AES_CRYPT;
2866 break;
b8214df1
DS		 2867 case WLAN_CIPHER_SUITE_SMS4:
2868 p.grp_crypto_type = WAPI_CRYPT;
2869 break;
6a7c9bad
JM		 2870 default:
2871 p.grp_crypto_type = NONE_CRYPT;
2872 break;
2873 }
240d2799 2874 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
6a7c9bad
JM		 2875
2876 p.nw_type = AP_NETWORK;
f5938f24 2877 vif->nw_type = vif->next_mode;
6a7c9bad 2878
3450334f
VT		 2879 p.ssid_len = vif->ssid_len;
2880 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2881 p.dot11_auth_mode = vif->dot11_auth_mode;
683b6d3b 2882 p.ch = cpu_to_le16(info->chandef.chan->center_freq);
6a7c9bad 2883
c1762a3f
TP		 2884 /* Enable uAPSD support by default */
2885 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2886 if (res < 0)
2887 return res;
2888
3ca9d1fc
AT		 2889 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2890 p.nw_subtype = SUBTYPE_P2PGO;
2891 } else {
2892 /*
2893 * Due to firmware limitation, it is not possible to
2894 * do P2P mgmt operations in AP mode
2895 */
2896 p.nw_subtype = SUBTYPE_NONE;
2897 }
2898
03bdeb0d 2899 if (info->inactivity_timeout) {
7ac25eac
MSS		 2900
2901 inactivity_timeout = info->inactivity_timeout;
2902
2903 if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS)
2904 inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
2905 60);
2906
03bdeb0d 2907 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
7ac25eac 2908 inactivity_timeout);
03bdeb0d
VT		 2909 if (res < 0)
2910 return res;
2911 }
2912
683b6d3b
JB		 2913 if (ath6kl_set_htcap(vif, info->chandef.chan->band,
2914 cfg80211_get_chandef_type(&info->chandef)
2915 != NL80211_CHAN_NO_HT))
df90b369
VT		 2916 return -EIO;
2917
d97c121b
VT		 2918 /*
2919 * Get the PTKSA replay counter in the RSN IE. Supplicant
2920 * will use the RSN IE in M3 message and firmware has to
2921 * advertise the same in beacon/probe response. Send
2922 * the complete RSN IE capability field to firmware
2923 */
2924 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2925 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2926 ar->fw_capabilities)) {
2927 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2928 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2929 (const u8 *) &rsn_capab,
2930 sizeof(rsn_capab));
f21243a8 2931 vif->rsn_capab = rsn_capab;
d97c121b
VT		 2932 if (res < 0)
2933 return res;
2934 }
2935
c4f7863e 2936 memcpy(&vif->profile, &p, sizeof(p));
334234b5 2937 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
9a5b1318
JM		 2938 if (res < 0)
2939 return res;
2940
2941 return 0;
6a7c9bad
JM		 2942}
2943
8860020e
JB		 2944static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2945 struct cfg80211_beacon_data *beacon)
6a7c9bad 2946{
8860020e 2947 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2948
8860020e
JB		 2949 if (!ath6kl_cfg80211_ready(vif))
2950 return -EIO;
2951
2952 if (vif->next_mode != AP_NETWORK)
2953 return -EOPNOTSUPP;
2954
2955 return ath6kl_set_ies(vif, beacon);
6a7c9bad
JM		 2956}
2957
8860020e 2958static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
6a7c9bad
JM		 2959{
2960 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 2961 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2962
f5938f24 2963 if (vif->nw_type != AP_NETWORK)
6a7c9bad 2964 return -EOPNOTSUPP;
59c98449 2965 if (!test_bit(CONNECTED, &vif->flags))
6a7c9bad
JM		 2966 return -ENOTCONN;
2967
334234b5 2968 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
59c98449 2969 clear_bit(CONNECTED, &vif->flags);
6a7c9bad 2970
df90b369 2971 /* Restore ht setting in firmware */
37a2f950 2972 return ath6kl_restore_htcap(vif);
6a7c9bad
JM		 2973}
2974
33e5308d
JM		 2975static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2976
2977static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 2978 const u8 *mac)
33e5308d
JM		 2979{
2980 struct ath6kl *ar = ath6kl_priv(dev);
2981 struct ath6kl_vif *vif = netdev_priv(dev);
2982 const u8 *addr = mac ? mac : bcast_addr;
2983
2984 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2985 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2986}
2987
23875136 2988static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 2989 const u8 *mac,
2990 struct station_parameters *params)
23875136
JM		 2991{
2992 struct ath6kl *ar = ath6kl_priv(dev);
f5938f24 2993 struct ath6kl_vif *vif = netdev_priv(dev);
77ee7c89 2994 int err;
23875136 2995
f5938f24 2996 if (vif->nw_type != AP_NETWORK)
23875136
JM		 2997 return -EOPNOTSUPP;
2998
77ee7c89
JB		 2999 err = cfg80211_check_station_change(wiphy, params,
3000 CFG80211_STA_AP_MLME_CLIENT);
3001 if (err)
3002 return err;
23875136
JM		 3003
3004 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
334234b5
VT		 3005 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3006 WMI_AP_MLME_AUTHORIZE, mac, 0);
3007 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3008 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
23875136
JM		 3009}
3010
63fa1e0c 3011static int ath6kl_remain_on_channel(struct wiphy *wiphy,
71bbc994 3012 struct wireless_dev *wdev,
63fa1e0c 3013 struct ieee80211_channel *chan,
63fa1e0c
JM		 3014 unsigned int duration,
3015 u64 *cookie)
3016{
71bbc994
JB		 3017 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3018 struct ath6kl *ar = ath6kl_priv(vif->ndev);
1052261e 3019 u32 id;
63fa1e0c
JM		 3020
3021 /* TODO: if already pending or ongoing remain-on-channel,
3022 * return -EBUSY */
1052261e
JM		 3023 id = ++vif->last_roc_id;
3024 if (id == 0) {
3025 /* Do not use 0 as the cookie value */
3026 id = ++vif->last_roc_id;
3027 }
3028 *cookie = id;
63fa1e0c 3029
334234b5
VT		 3030 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3031 chan->center_freq, duration);
63fa1e0c
JM		 3032}
3033
3034static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 3035 struct wireless_dev *wdev,
63fa1e0c
JM		 3036 u64 cookie)
3037{
71bbc994
JB		 3038 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3039 struct ath6kl *ar = ath6kl_priv(vif->ndev);
63fa1e0c 3040
1052261e 3041 if (cookie != vif->last_roc_id)
63fa1e0c 3042 return -ENOENT;
1052261e 3043 vif->last_cancel_roc_id = cookie;
63fa1e0c 3044
334234b5 3045 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
63fa1e0c
JM		 3046}
3047
334234b5
VT		 3048static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3049 const u8 *buf, size_t len,
3050 unsigned int freq)
8bdfbf40 3051{
334234b5 3052 struct ath6kl *ar = vif->ar;
8bdfbf40
JM		 3053 const u8 *pos;
3054 u8 *p2p;
3055 int p2p_len;
3056 int ret;
3057 const struct ieee80211_mgmt *mgmt;
3058
3059 mgmt = (const struct ieee80211_mgmt *) buf;
3060
3061 /* Include P2P IE(s) from the frame generated in user space. */
3062
3063 p2p = kmalloc(len, GFP_KERNEL);
3064 if (p2p == NULL)
3065 return -ENOMEM;
3066 p2p_len = 0;
3067
3068 pos = mgmt->u.probe_resp.variable;
3069 while (pos + 1 < buf + len) {
3070 if (pos + 2 + pos[1] > buf + len)
3071 break;
3072 if (ath6kl_is_p2p_ie(pos)) {
3073 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3074 p2p_len += 2 + pos[1];
3075 }
3076 pos += 2 + pos[1];
3077 }
3078
334234b5
VT		 3079 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3080 mgmt->da, p2p, p2p_len);
8bdfbf40
JM		 3081 kfree(p2p);
3082 return ret;
3083}
3084
d0ff7383
NG		 3085static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3086 u32 id,
3087 u32 freq,
3088 u32 wait,
3089 const u8 *buf,
3090 size_t len,
3091 bool *more_data,
3092 bool no_cck)
3093{
3094 struct ieee80211_mgmt *mgmt;
3095 struct ath6kl_sta *conn;
3096 bool is_psq_empty = false;
3097 struct ath6kl_mgmt_buff *mgmt_buf;
3098 size_t mgmt_buf_size;
3099 struct ath6kl *ar = vif->ar;
3100
3101 mgmt = (struct ieee80211_mgmt *) buf;
3102 if (is_multicast_ether_addr(mgmt->da))
3103 return false;
3104
3105 conn = ath6kl_find_sta(vif, mgmt->da);
3106 if (!conn)
3107 return false;
3108
3109 if (conn->sta_flags & STA_PS_SLEEP) {
3110 if (!(conn->sta_flags & STA_PS_POLLED)) {
3111 /* Queue the frames if the STA is sleeping */
3112 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3113 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3114 if (!mgmt_buf)
3115 return false;
3116
3117 INIT_LIST_HEAD(&mgmt_buf->list);
3118 mgmt_buf->id = id;
3119 mgmt_buf->freq = freq;
3120 mgmt_buf->wait = wait;
3121 mgmt_buf->len = len;
3122 mgmt_buf->no_cck = no_cck;
3123 memcpy(mgmt_buf->buf, buf, len);
3124 spin_lock_bh(&conn->psq_lock);
3125 is_psq_empty = skb_queue_empty(&conn->psq) &&
3126 (conn->mgmt_psq_len == 0);
3127 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3128 conn->mgmt_psq_len++;
3129 spin_unlock_bh(&conn->psq_lock);
3130
3131 /*
3132 * If this is the first pkt getting queued
3133 * for this STA, update the PVB for this
3134 * STA.
3135 */
3136 if (is_psq_empty)
3137 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3138 conn->aid, 1);
3139 return true;
3140 }
3141
3142 /*
3143 * This tx is because of a PsPoll.
3144 * Determine if MoreData bit has to be set.
3145 */
3146 spin_lock_bh(&conn->psq_lock);
3147 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3148 *more_data = true;
3149 spin_unlock_bh(&conn->psq_lock);
3150 }
3151
3152 return false;
3153}
3154
c86e4f44
AT		 3155/* Check if SSID length is greater than DIRECT- */
3156static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3157{
3158 const struct ieee80211_mgmt *mgmt;
3159 mgmt = (const struct ieee80211_mgmt *) buf;
3160
3161 /* variable[1] contains the SSID tag length */
3162 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3163 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3164 return true;
3165 }
3166
3167 return false;
3168}
3169
71bbc994 3170static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 3171 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
8a6c8060 3172{
71bbc994
JB		 3173 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3174 struct ath6kl *ar = ath6kl_priv(vif->ndev);
b176e629
AO		 3175 struct ieee80211_channel *chan = params->chan;
3176 const u8 *buf = params->buf;
3177 size_t len = params->len;
3178 unsigned int wait = params->wait;
3179 bool no_cck = params->no_cck;
bfd634d0 3180 u32 id, freq;
8bdfbf40 3181 const struct ieee80211_mgmt *mgmt;
d0ff7383 3182 bool more_data, queued;
8bdfbf40 3183
bfd634d0
AQ		 3184 /* default to the current channel, but use the one specified as argument
3185 * if any
3186 */
3187 freq = vif->ch_hint;
3188 if (chan)
3189 freq = chan->center_freq;
3190
3191 /* never send freq zero to the firmware */
3192 if (WARN_ON(freq == 0))
3193 return -EINVAL;
3194
8bdfbf40 3195 mgmt = (const struct ieee80211_mgmt *) buf;
c86e4f44
AT		 3196 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3197 ieee80211_is_probe_resp(mgmt->frame_control) &&
3198 ath6kl_is_p2p_go_ssid(buf, len)) {
8bdfbf40 3199 /*
c86e4f44 3200 * Send Probe Response frame in GO mode using a separate WMI
8bdfbf40
JM		 3201 * command to allow the target to fill in the generic IEs.
3202 */
3203 *cookie = 0; /* TX status not supported */
bfd634d0 3204 return ath6kl_send_go_probe_resp(vif, buf, len, freq);
8bdfbf40 3205 }
8a6c8060 3206
cf5333d7 3207 id = vif->send_action_id++;
8a6c8060
JM		 3208 if (id == 0) {
3209 /*
3210 * 0 is a reserved value in the WMI command and shall not be
3211 * used for the command.
3212 */
cf5333d7 3213 id = vif->send_action_id++;
8a6c8060
JM		 3214 }
3215
3216 *cookie = id;
3ca9d1fc 3217
d0ff7383
NG		 3218 /* AP mode Power saving processing */
3219 if (vif->nw_type == AP_NETWORK) {
bfd634d0
AQ		 3220 queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len,
3221 &more_data, no_cck);
d0ff7383
NG		 3222 if (queued)
3223 return 0;
3ca9d1fc 3224 }
d0ff7383 3225
bfd634d0
AQ		 3226 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq,
3227 wait, buf, len, no_cck);
8a6c8060
JM		 3228}
3229
ae32c30a 3230static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3231 struct wireless_dev *wdev,
ae32c30a
JM		 3232 u16 frame_type, bool reg)
3233{
71bbc994 3234 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
ae32c30a
JM		 3235
3236 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3237 __func__, frame_type, reg);
3238 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3239 /*
3240 * Note: This notification callback is not allowed to sleep, so
3241 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3242 * hardcode target to report Probe Request frames all the time.
3243 */
cf5333d7 3244 vif->probe_req_report = reg;
ae32c30a
JM		 3245 }
3246}
3247
10509f90
KV		 3248static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3249 struct net_device *dev,
3250 struct cfg80211_sched_scan_request *request)
3251{
3252 struct ath6kl *ar = ath6kl_priv(dev);
3253 struct ath6kl_vif *vif = netdev_priv(dev);
3254 u16 interval;
85b20fc2 3255 int ret, rssi_thold;
ea73cbce
JB		 3256 int n_match_sets = request->n_match_sets;
3257
3258 /*
3259 * If there's a matchset w/o an SSID, then assume it's just for
3260 * the RSSI (nothing else is currently supported) and ignore it.
3261 * The device only supports a global RSSI filter that we set below.
3262 */
3263 if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len)
3264 n_match_sets = 0;
10509f90
KV		 3265
3266 if (ar->state != ATH6KL_STATE_ON)
3267 return -EIO;
3268
3269 if (vif->sme_state != SME_DISCONNECTED)
3270 return -EBUSY;
3271
b4d13d3b
KV		 3272 ath6kl_cfg80211_scan_complete_event(vif, true);
3273
3b8ffc6a 3274 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
dd45b759
NS		 3275 request->n_ssids,
3276 request->match_sets,
ea73cbce 3277 n_match_sets);
3b8ffc6a
JM		 3278 if (ret < 0)
3279 return ret;
10509f90 3280
ea73cbce 3281 if (!n_match_sets) {
dd45b759
NS		 3282 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3283 ALL_BSS_FILTER, 0);
3284 if (ret < 0)
3285 return ret;
3286 } else {
3287 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3288 MATCHED_SSID_FILTER, 0);
3289 if (ret < 0)
3290 return ret;
3291 }
3292
85b20fc2
TP		 3293 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3294 ar->fw_capabilities)) {
ea73cbce 3295 if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
85b20fc2 3296 rssi_thold = 0;
ea73cbce 3297 else if (request->min_rssi_thold < -127)
85b20fc2
TP		 3298 rssi_thold = -127;
3299 else
ea73cbce 3300 rssi_thold = request->min_rssi_thold;
85b20fc2
TP		 3301
3302 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3303 rssi_thold);
3304 if (ret) {
3305 ath6kl_err("failed to set RSSI threshold for scan\n");
3306 return ret;
3307 }
3308 }
3309
10509f90
KV		 3310 /* fw uses seconds, also make sure that it's >0 */
3311 interval = max_t(u16, 1, request->interval / 1000);
3312
3313 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3314 interval, interval,
d472b5e4 3315 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
10509f90 3316
10509f90
KV		 3317 /* this also clears IE in fw if it's not set */
3318 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3319 WMI_FRAME_PROBE_REQ,
3320 request->ie, request->ie_len);
3321 if (ret) {
f1ff32e8 3322 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
10509f90
KV		 3323 ret);
3324 return ret;
3325 }
3326
b1f47e3a
TP		 3327 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3328 if (ret)
10509f90 3329 return ret;
10509f90 3330
b1f47e3a 3331 set_bit(SCHED_SCANNING, &vif->flags);
10509f90 3332
b1f47e3a 3333 return 0;
10509f90
KV		 3334}
3335
3336static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3337 struct net_device *dev)
3338{
3339 struct ath6kl_vif *vif = netdev_priv(dev);
3340 bool stopped;
3341
3342 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3343
3344 if (!stopped)
3345 return -EIO;
3346
3347 return 0;
3348}
3349
06e360ac
BS		 3350static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3351 struct net_device *dev,
3352 const u8 *addr,
3353 const struct cfg80211_bitrate_mask *mask)
3354{
3355 struct ath6kl *ar = ath6kl_priv(dev);
3356 struct ath6kl_vif *vif = netdev_priv(dev);
3357
3358 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3359 mask);
3360}
3361
279b2862
TP		 3362static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3363 struct net_device *dev,
3364 u32 rate, u32 pkts, u32 intvl)
3365{
3366 struct ath6kl *ar = ath6kl_priv(dev);
3367 struct ath6kl_vif *vif = netdev_priv(dev);
3368
3369 if (vif->nw_type != INFRA_NETWORK ||
3370 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3371 return -EOPNOTSUPP;
3372
3373 if (vif->sme_state != SME_CONNECTED)
3374 return -ENOTCONN;
3375
3376 /* save this since the firmware won't report the interval */
3377 vif->txe_intvl = intvl;
3378
3379 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3380 rate, pkts, intvl);
3381}
3382
f80574ae
JM		 3383static const struct ieee80211_txrx_stypes
3384ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3385 [NL80211_IFTYPE_STATION] = {
3386 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3387 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3388 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3389 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3390 },
ba1f6fe3
JM		 3391 [NL80211_IFTYPE_AP] = {
3392 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3393 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3394 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3395 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3396 },
f80574ae
JM		 3397 [NL80211_IFTYPE_P2P_CLIENT] = {
3398 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3399 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3400 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3401 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3402 },
3403 [NL80211_IFTYPE_P2P_GO] = {
3404 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3405 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3406 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3407 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3408 },
3409};
3410
bdcd8170 3411static struct cfg80211_ops ath6kl_cfg80211_ops = {
55055976
VT		 3412 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3413 .del_virtual_intf = ath6kl_cfg80211_del_iface,
bdcd8170
KV		 3414 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3415 .scan = ath6kl_cfg80211_scan,
3416 .connect = ath6kl_cfg80211_connect,
3417 .disconnect = ath6kl_cfg80211_disconnect,
3418 .add_key = ath6kl_cfg80211_add_key,
3419 .get_key = ath6kl_cfg80211_get_key,
3420 .del_key = ath6kl_cfg80211_del_key,
3421 .set_default_key = ath6kl_cfg80211_set_default_key,
3422 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3423 .set_tx_power = ath6kl_cfg80211_set_txpower,
3424 .get_tx_power = ath6kl_cfg80211_get_txpower,
3425 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3426 .join_ibss = ath6kl_cfg80211_join_ibss,
3427 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3428 .get_station = ath6kl_get_station,
3429 .set_pmksa = ath6kl_set_pmksa,
3430 .del_pmksa = ath6kl_del_pmksa,
3431 .flush_pmksa = ath6kl_flush_pmksa,
003353b0 3432 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
abcb344b 3433#ifdef CONFIG_PM
52d81a68
KV		 3434 .suspend = __ath6kl_cfg80211_suspend,
3435 .resume = __ath6kl_cfg80211_resume,
abcb344b 3436#endif
8860020e
JB		 3437 .start_ap = ath6kl_start_ap,
3438 .change_beacon = ath6kl_change_beacon,
3439 .stop_ap = ath6kl_stop_ap,
33e5308d 3440 .del_station = ath6kl_del_station,
23875136 3441 .change_station = ath6kl_change_station,
63fa1e0c
JM		 3442 .remain_on_channel = ath6kl_remain_on_channel,
3443 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
8a6c8060 3444 .mgmt_tx = ath6kl_mgmt_tx,
ae32c30a 3445 .mgmt_frame_register = ath6kl_mgmt_frame_register,
10509f90
KV		 3446 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3447 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
06e360ac 3448 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
279b2862 3449 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
bdcd8170
KV		 3450};
3451
7125f01d 3452void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
ec4b7f60 3453{
10509f90
KV		 3454 ath6kl_cfg80211_sscan_disable(vif);
3455
ec4b7f60 3456 switch (vif->sme_state) {
c97a31b0
KV		 3457 case SME_DISCONNECTED:
3458 break;
ec4b7f60
KV		 3459 case SME_CONNECTING:
3460 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3461 NULL, 0,
3462 WLAN_STATUS_UNSPECIFIED_FAILURE,
3463 GFP_KERNEL);
3464 break;
3465 case SME_CONNECTED:
ec4b7f60
KV		 3466 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3467 break;
3468 }
3469
58109df6
VT		 3470 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3471 (test_bit(CONNECTED, &vif->flags) ||
3472 test_bit(CONNECT_PEND, &vif->flags)))
7125f01d 3473 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
ec4b7f60
KV		 3474
3475 vif->sme_state = SME_DISCONNECTED;
1f405255
KV		 3476 clear_bit(CONNECTED, &vif->flags);
3477 clear_bit(CONNECT_PEND, &vif->flags);
ec4b7f60 3478
84caf800
VT		 3479 /* Stop netdev queues, needed during recovery */
3480 netif_stop_queue(vif->ndev);
3481 netif_carrier_off(vif->ndev);
3482
ec4b7f60 3483 /* disable scanning */
58109df6
VT		 3484 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3485 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
7125f01d
KV		 3486 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3487 ath6kl_warn("failed to disable scan during stop\n");
ec4b7f60
KV		 3488
3489 ath6kl_cfg80211_scan_complete_event(vif, true);
3490}
3491
7125f01d
KV		 3492void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3493{
3494 struct ath6kl_vif *vif;
3495
3496 vif = ath6kl_vif_first(ar);
84caf800 3497 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
7125f01d
KV		 3498 /* save the current power mode before enabling power save */
3499 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3500
3501 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
cdeb8602 3502 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
7125f01d
KV		 3503 return;
3504 }
3505
3506 /*
3507 * FIXME: we should take ar->list_lock to protect changes in the
3508 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3509 * sleeps.
3510 */
3511 list_for_each_entry(vif, &ar->vif_list, list)
3512 ath6kl_cfg80211_stop(vif);
3513}
3514
0c0280bd
LR		 3515static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3516 struct regulatory_request *request)
84841ba2
KV		 3517{
3518 struct ath6kl *ar = wiphy_priv(wiphy);
3519 u32 rates[IEEE80211_NUM_BANDS];
3520 int ret, i;
3521
3522 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
ff7e6867 3523 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
84841ba2
KV		 3524 request->alpha2[0], request->alpha2[1],
3525 request->intersect ? " intersect" : "",
3526 request->processed ? " processed" : "",
ff7e6867
KV		 3527 request->initiator, request->user_reg_hint_type);
3528
ff7e6867 3529 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
0c0280bd 3530 return;
84841ba2
KV		 3531
3532 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3533 if (ret) {
3534 ath6kl_err("failed to set regdomain: %d\n", ret);
0c0280bd 3535 return;
84841ba2
KV		 3536 }
3537
3538 /*
3539 * Firmware will apply the regdomain change only after a scan is
3540 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3541 * changed.
3542 */
3543
3544 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3545 if (wiphy->bands[i])
3546 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3547
3548
3549 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3550 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3551 0, NULL, false, rates);
3552 if (ret) {
3553 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3554 ret);
0c0280bd 3555 return;
84841ba2 3556 }
84841ba2
KV		 3557}
3558
c25889e8 3559static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
bdcd8170 3560{
7baef812 3561 vif->aggr_cntxt = aggr_init(vif);
2132c69c 3562 if (!vif->aggr_cntxt) {
8dafb70e
VT		 3563 ath6kl_err("failed to initialize aggr\n");
3564 return -ENOMEM;
3565 }
3566
de3ad713 3567 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
108438bc 3568 (unsigned long) vif->ndev);
10509f90
KV		 3569 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3570 (unsigned long) vif);
3571
de3ad713 3572 set_bit(WMM_ENABLED, &vif->flags);
478ac027 3573 spin_lock_init(&vif->if_lock);
bdcd8170 3574
80abaf9b
VT		 3575 INIT_LIST_HEAD(&vif->mc_filter);
3576
8dafb70e
VT		 3577 return 0;
3578}
3579
355b3a98
MSS		 3580void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3581{
3582 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3583 bool discon_issued;
3584
3585 netif_stop_queue(vif->ndev);
3586
3587 clear_bit(WLAN_ENABLED, &vif->flags);
3588
3589 if (wmi_ready) {
3590 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3591 test_bit(CONNECT_PEND, &vif->flags);
3592 ath6kl_disconnect(vif);
3593 del_timer(&vif->disconnect_timer);
3594
3595 if (discon_issued)
3596 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3597 (vif->nw_type & AP_NETWORK) ?
3598 bcast_mac : vif->bssid,
3599 0, NULL, 0);
3600 }
3601
3602 if (vif->scan_req) {
3603 cfg80211_scan_done(vif->scan_req, true);
3604 vif->scan_req = NULL;
3605 }
3606
3607 /* need to clean up enhanced bmiss detection fw state */
3608 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3609}
3610
c25889e8 3611void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
8dafb70e 3612{
55055976 3613 struct ath6kl *ar = vif->ar;
80abaf9b 3614 struct ath6kl_mc_filter *mc_filter, *tmp;
55055976 3615
2132c69c 3616 aggr_module_destroy(vif->aggr_cntxt);
8dafb70e 3617
55055976
VT		 3618 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3619
3620 if (vif->nw_type == ADHOC_NETWORK)
3621 ar->ibss_if_active = false;
3622
80abaf9b
VT		 3623 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3624 list_del(&mc_filter->list);
3625 kfree(mc_filter);
3626 }
3627
27929723 3628 unregister_netdevice(vif->ndev);
55055976
VT		 3629
3630 ar->num_vif--;
8dafb70e
VT		 3631}
3632
552bff0c 3633struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
84efbb84
JB		 3634 enum nl80211_iftype type,
3635 u8 fw_vif_idx, u8 nw_type)
8dafb70e
VT		 3636{
3637 struct net_device *ndev;
108438bc 3638 struct ath6kl_vif *vif;
8dafb70e 3639
55055976 3640 ndev = alloc_netdev(sizeof(*vif), name, ether_setup);
8dafb70e
VT		 3641 if (!ndev)
3642 return NULL;
3643
108438bc
VT		 3644 vif = netdev_priv(ndev);
3645 ndev->ieee80211_ptr = &vif->wdev;
3646 vif->wdev.wiphy = ar->wiphy;
3647 vif->ar = ar;
108438bc
VT		 3648 vif->ndev = ndev;
3649 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3650 vif->wdev.netdev = ndev;
3651 vif->wdev.iftype = type;
334234b5 3652 vif->fw_vif_idx = fw_vif_idx;
d0d670ab
KV		 3653 vif->nw_type = nw_type;
3654 vif->next_mode = nw_type;
8f46fccd 3655 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
ce0dc0cf 3656 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
eb38987e 3657 vif->bg_scan_period = 0;
67b3f129
KR		 3658 vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
3659 vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
8dafb70e 3660
55055976 3661 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
c95dcb59 3662 if (fw_vif_idx != 0) {
55055976
VT		 3663 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3664 0x2;
c95dcb59
AT		 3665 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3666 ar->fw_capabilities))
3667 ndev->dev_addr[4] ^= 0x80;
3668 }
55055976 3669
8dafb70e
VT		 3670 init_netdev(ndev);
3671
e29f25f5 3672 ath6kl_init_control_info(vif);
8dafb70e 3673
c25889e8 3674 if (ath6kl_cfg80211_vif_init(vif))
8dafb70e
VT		 3675 goto err;
3676
27929723 3677 if (register_netdevice(ndev))
8dafb70e
VT		 3678 goto err;
3679
55055976 3680 ar->avail_idx_map &= ~BIT(fw_vif_idx);
14ee6f6b 3681 vif->sme_state = SME_DISCONNECTED;
59c98449 3682 set_bit(WLAN_ENABLED, &vif->flags);
8dafb70e 3683 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
8dafb70e 3684
55055976
VT		 3685 if (type == NL80211_IFTYPE_ADHOC)
3686 ar->ibss_if_active = true;
3687
11f6e40d 3688 spin_lock_bh(&ar->list_lock);
990bd915 3689 list_add_tail(&vif->list, &ar->vif_list);
11f6e40d 3690 spin_unlock_bh(&ar->list_lock);
990bd915 3691
84efbb84 3692 return &vif->wdev;
8dafb70e
VT		 3693
3694err:
27929723
VT		 3695 aggr_module_destroy(vif->aggr_cntxt);
3696 free_netdev(ndev);
8dafb70e
VT		 3697 return NULL;
3698}
3699
964dc9e2
JB		 3700#ifdef CONFIG_PM
3701static const struct wiphy_wowlan_support ath6kl_wowlan_support = {
3702 .flags = WIPHY_WOWLAN_MAGIC_PKT |
3703 WIPHY_WOWLAN_DISCONNECT |
3704 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3705 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3706 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3707 WIPHY_WOWLAN_4WAY_HANDSHAKE,
3708 .n_patterns = WOW_MAX_FILTERS_PER_LIST,
3709 .pattern_min_len = 1,
3710 .pattern_max_len = WOW_PATTERN_SIZE,
3711};
3712#endif
3713
46d33a21
KV		 3714int ath6kl_cfg80211_init(struct ath6kl *ar)
3715{
3716 struct wiphy *wiphy = ar->wiphy;
d92917e4 3717 bool band_2gig = false, band_5gig = false, ht = false;
46d33a21
KV		 3718 int ret;
3719
3720 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3721
3722 wiphy->max_remain_on_channel_duration = 5000;
3723
3724 /* set device pointer for wiphy */
3725 set_wiphy_dev(wiphy, ar->dev);
3726
3727 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3728 BIT(NL80211_IFTYPE_ADHOC) |
3729 BIT(NL80211_IFTYPE_AP);
3730 if (ar->p2p) {
3731 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3732 BIT(NL80211_IFTYPE_P2P_CLIENT);
3733 }
3734
84841ba2 3735 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
ff7e6867 3736 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
84841ba2 3737 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
ff7e6867
KV		 3738 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3739 }
84841ba2 3740
46d33a21 3741 /* max num of ssids that can be probed during scanning */
8ab5415d 3742 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
dd45b759
NS		 3743
3744 /* max num of ssids that can be matched after scan */
3745 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3746 ar->fw_capabilities))
3747 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3748
46d33a21 3749 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
d92917e4
TP		 3750 switch (ar->hw.cap) {
3751 case WMI_11AN_CAP:
3752 ht = true;
3753 case WMI_11A_CAP:
3754 band_5gig = true;
3755 break;
3756 case WMI_11GN_CAP:
3757 ht = true;
3758 case WMI_11G_CAP:
3759 band_2gig = true;
3760 break;
3761 case WMI_11AGN_CAP:
3762 ht = true;
3763 case WMI_11AG_CAP:
3764 band_2gig = true;
3765 band_5gig = true;
3766 break;
3767 default:
3768 ath6kl_err("invalid phy capability!\n");
3769 return -EINVAL;
3770 }
3771
7fd1ce7e
VT		 3772 /*
3773 * Even if the fw has HT support, advertise HT cap only when
3774 * the firmware has support to override RSN capability, otherwise
3775 * 4-way handshake would fail.
3776 */
3777 if (!(ht &&
3778 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3779 ar->fw_capabilities))) {
d92917e4
TP		 3780 ath6kl_band_2ghz.ht_cap.cap = 0;
3781 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3782 ath6kl_band_5ghz.ht_cap.cap = 0;
3783 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3784 }
06e360ac 3785
c0b34e2b 3786 if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) {
06e360ac
BS		 3787 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3788 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3789 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3790 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3791 } else {
3792 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3793 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3794 }
3795
d92917e4
TP		 3796 if (band_2gig)
3797 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3798 if (band_5gig)
3799 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3800
46d33a21
KV		 3801 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3802
3803 wiphy->cipher_suites = cipher_suites;
3804 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3805
dfb89c56 3806#ifdef CONFIG_PM
964dc9e2 3807 wiphy->wowlan = &ath6kl_wowlan_support;
dfb89c56 3808#endif
46d33a21 3809
8ab5415d 3810 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
46d33a21 3811
f2afdac7
VT		 3812 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3813 WIPHY_FLAG_HAVE_AP_SME |
3814 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3815 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3816
b1f47e3a 3817 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
f2afdac7
VT		 3818 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3819
03bdeb0d
VT		 3820 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3821 ar->fw_capabilities))
b292219f 3822 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
03bdeb0d 3823
f2afdac7
VT		 3824 ar->wiphy->probe_resp_offload =
3825 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3826 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
a432e7cc 3827 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
f2afdac7 3828
46d33a21
KV		 3829 ret = wiphy_register(wiphy);
3830 if (ret < 0) {
3831 ath6kl_err("couldn't register wiphy device\n");
3832 return ret;
3833 }
3834
e5348a1e
VT		 3835 ar->wiphy_registered = true;
3836
46d33a21
KV		 3837 return 0;
3838}
3839
3840void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
8dafb70e 3841{
be98e3a4 3842 wiphy_unregister(ar->wiphy);
e5348a1e
VT		 3843
3844 ar->wiphy_registered = false;
45eaa78f 3845}
46d33a21 3846
45eaa78f
KV		 3847struct ath6kl *ath6kl_cfg80211_create(void)
3848{
3849 struct ath6kl *ar;
3850 struct wiphy *wiphy;
3851
3852 /* create a new wiphy for use with cfg80211 */
3853 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3854
3855 if (!wiphy) {
3856 ath6kl_err("couldn't allocate wiphy device\n");
3857 return NULL;
3858 }
3859
3860 ar = wiphy_priv(wiphy);
3861 ar->wiphy = wiphy;
3862
3863 return ar;
3864}
3865
3866/* Note: ar variable must not be accessed after calling this! */
3867void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3868{
1d2a4456
VT		 3869 int i;
3870
3871 for (i = 0; i < AP_MAX_NUM_STA; i++)
3872 kfree(ar->sta_list[i].aggr_conn);
3873
be98e3a4 3874 wiphy_free(ar->wiphy);
bdcd8170 3875}
45eaa78f 3876
Linux kernel - Deliverables
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