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Merge tag 'soc-ep93xx-dt-6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[linux-block.git] / drivers / net / wireless / ath / ath6kl / cfg80211.c
CommitLineData
bdcd8170
KV		 1/*
2 * Copyright (c) 2004-2011 Atheros Communications Inc.
1b2df407 3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
bdcd8170
KV		 4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
516304b0
JP		 18#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
6eb07caf 20#include <linux/moduleparam.h>
c08631c6 21#include <linux/inetdevice.h>
d6a434d6 22#include <linux/export.h>
174cd4b1 23#include <linux/sched/signal.h>
6eb07caf 24
bdcd8170
KV		 25#include "core.h"
26#include "cfg80211.h"
27#include "debug.h"
abcb344b 28#include "hif-ops.h"
003353b0 29#include "testmode.h"
bdcd8170
KV		 30
31#define RATETAB_ENT(_rate, _rateid, _flags) { \
32 .bitrate = (_rate), \
33 .flags = (_flags), \
34 .hw_value = (_rateid), \
35}
36
37#define CHAN2G(_channel, _freq, _flags) { \
57fbcce3 38 .band = NL80211_BAND_2GHZ, \
bdcd8170
KV		 39 .hw_value = (_channel), \
40 .center_freq = (_freq), \
41 .flags = (_flags), \
42 .max_antenna_gain = 0, \
43 .max_power = 30, \
44}
45
46#define CHAN5G(_channel, _flags) { \
57fbcce3 47 .band = NL80211_BAND_5GHZ, \
bdcd8170
KV		 48 .hw_value = (_channel), \
49 .center_freq = 5000 + (5 * (_channel)), \
50 .flags = (_flags), \
51 .max_antenna_gain = 0, \
52 .max_power = 30, \
53}
54
f599359c
BS		 55#define DEFAULT_BG_SCAN_PERIOD 60
56
dd45b759
NS		 57struct ath6kl_cfg80211_match_probe_ssid {
58 struct cfg80211_ssid ssid;
59 u8 flag;
60};
61
bdcd8170
KV		 62static struct ieee80211_rate ath6kl_rates[] = {
63 RATETAB_ENT(10, 0x1, 0),
64 RATETAB_ENT(20, 0x2, 0),
65 RATETAB_ENT(55, 0x4, 0),
66 RATETAB_ENT(110, 0x8, 0),
67 RATETAB_ENT(60, 0x10, 0),
68 RATETAB_ENT(90, 0x20, 0),
69 RATETAB_ENT(120, 0x40, 0),
70 RATETAB_ENT(180, 0x80, 0),
71 RATETAB_ENT(240, 0x100, 0),
72 RATETAB_ENT(360, 0x200, 0),
73 RATETAB_ENT(480, 0x400, 0),
74 RATETAB_ENT(540, 0x800, 0),
75};
76
77#define ath6kl_a_rates (ath6kl_rates + 4)
78#define ath6kl_a_rates_size 8
79#define ath6kl_g_rates (ath6kl_rates + 0)
80#define ath6kl_g_rates_size 12
81
bed56e31
VT		 82#define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
83#define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
faaf1929
VT		 84 IEEE80211_HT_CAP_SGI_20 | \
85 IEEE80211_HT_CAP_SGI_40)
86
bdcd8170
KV		 87static struct ieee80211_channel ath6kl_2ghz_channels[] = {
88 CHAN2G(1, 2412, 0),
89 CHAN2G(2, 2417, 0),
90 CHAN2G(3, 2422, 0),
91 CHAN2G(4, 2427, 0),
92 CHAN2G(5, 2432, 0),
93 CHAN2G(6, 2437, 0),
94 CHAN2G(7, 2442, 0),
95 CHAN2G(8, 2447, 0),
96 CHAN2G(9, 2452, 0),
97 CHAN2G(10, 2457, 0),
98 CHAN2G(11, 2462, 0),
99 CHAN2G(12, 2467, 0),
100 CHAN2G(13, 2472, 0),
101 CHAN2G(14, 2484, 0),
102};
103
104static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
b51040fc
RK		 105 CHAN5G(36, 0), CHAN5G(40, 0),
106 CHAN5G(44, 0), CHAN5G(48, 0),
bdcd8170
KV		 107 CHAN5G(52, 0), CHAN5G(56, 0),
108 CHAN5G(60, 0), CHAN5G(64, 0),
109 CHAN5G(100, 0), CHAN5G(104, 0),
110 CHAN5G(108, 0), CHAN5G(112, 0),
111 CHAN5G(116, 0), CHAN5G(120, 0),
112 CHAN5G(124, 0), CHAN5G(128, 0),
113 CHAN5G(132, 0), CHAN5G(136, 0),
114 CHAN5G(140, 0), CHAN5G(149, 0),
115 CHAN5G(153, 0), CHAN5G(157, 0),
116 CHAN5G(161, 0), CHAN5G(165, 0),
117 CHAN5G(184, 0), CHAN5G(188, 0),
118 CHAN5G(192, 0), CHAN5G(196, 0),
119 CHAN5G(200, 0), CHAN5G(204, 0),
120 CHAN5G(208, 0), CHAN5G(212, 0),
121 CHAN5G(216, 0),
122};
123
124static struct ieee80211_supported_band ath6kl_band_2ghz = {
125 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
126 .channels = ath6kl_2ghz_channels,
127 .n_bitrates = ath6kl_g_rates_size,
128 .bitrates = ath6kl_g_rates,
faaf1929
VT		 129 .ht_cap.cap = ath6kl_g_htcap,
130 .ht_cap.ht_supported = true,
bdcd8170
KV		 131};
132
133static struct ieee80211_supported_band ath6kl_band_5ghz = {
134 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
135 .channels = ath6kl_5ghz_a_channels,
136 .n_bitrates = ath6kl_a_rates_size,
137 .bitrates = ath6kl_a_rates,
bed56e31 138 .ht_cap.cap = ath6kl_a_htcap,
faaf1929 139 .ht_cap.ht_supported = true,
bdcd8170
KV		 140};
141
837cb97e
JM		 142#define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
143
10509f90
KV		 144/* returns true if scheduled scan was stopped */
145static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
146{
147 struct ath6kl *ar = vif->ar;
148
b1f47e3a 149 if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags))
10509f90
KV		 150 return false;
151
152 del_timer_sync(&vif->sched_scan_timer);
153
58109df6
VT		 154 if (ar->state == ATH6KL_STATE_RECOVERY)
155 return true;
10509f90 156
b1f47e3a 157 ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false);
10509f90
KV		 158
159 return true;
160}
161
162static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
163{
164 struct ath6kl *ar = vif->ar;
165 bool stopped;
166
167 stopped = __ath6kl_cfg80211_sscan_stop(vif);
168
169 if (!stopped)
170 return;
171
b34939b9 172 cfg80211_sched_scan_stopped(ar->wiphy, 0);
10509f90
KV		 173}
174
240d2799 175static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
bdcd8170
KV		 176 enum nl80211_wpa_versions wpa_version)
177{
178 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
179
180 if (!wpa_version) {
3450334f 181 vif->auth_mode = NONE_AUTH;
bdcd8170 182 } else if (wpa_version & NL80211_WPA_VERSION_2) {
3450334f 183 vif->auth_mode = WPA2_AUTH;
bdcd8170 184 } else if (wpa_version & NL80211_WPA_VERSION_1) {
3450334f 185 vif->auth_mode = WPA_AUTH;
bdcd8170
KV		 186 } else {
187 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
188 return -ENOTSUPP;
189 }
190
191 return 0;
192}
193
240d2799 194static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
bdcd8170
KV		 195 enum nl80211_auth_type auth_type)
196{
bdcd8170
KV		 197 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
198
199 switch (auth_type) {
200 case NL80211_AUTHTYPE_OPEN_SYSTEM:
3450334f 201 vif->dot11_auth_mode = OPEN_AUTH;
bdcd8170
KV		 202 break;
203 case NL80211_AUTHTYPE_SHARED_KEY:
3450334f 204 vif->dot11_auth_mode = SHARED_AUTH;
bdcd8170
KV		 205 break;
206 case NL80211_AUTHTYPE_NETWORK_EAP:
3450334f 207 vif->dot11_auth_mode = LEAP_AUTH;
bdcd8170
KV		 208 break;
209
210 case NL80211_AUTHTYPE_AUTOMATIC:
3450334f 211 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
bdcd8170
KV		 212 break;
213
214 default:
3c325fbd 215 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
bdcd8170
KV		 216 return -ENOTSUPP;
217 }
218
219 return 0;
220}
221
240d2799 222static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
bdcd8170 223{
3450334f
VT		 224 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
225 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
226 &vif->grp_crypto_len;
bdcd8170
KV		 227
228 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
229 __func__, cipher, ucast);
230
231 switch (cipher) {
232 case 0:
233 /* our own hack to use value 0 as no crypto used */
234 *ar_cipher = NONE_CRYPT;
235 *ar_cipher_len = 0;
236 break;
237 case WLAN_CIPHER_SUITE_WEP40:
238 *ar_cipher = WEP_CRYPT;
239 *ar_cipher_len = 5;
240 break;
241 case WLAN_CIPHER_SUITE_WEP104:
242 *ar_cipher = WEP_CRYPT;
243 *ar_cipher_len = 13;
244 break;
245 case WLAN_CIPHER_SUITE_TKIP:
246 *ar_cipher = TKIP_CRYPT;
247 *ar_cipher_len = 0;
248 break;
249 case WLAN_CIPHER_SUITE_CCMP:
250 *ar_cipher = AES_CRYPT;
251 *ar_cipher_len = 0;
252 break;
5e07021e
DS		 253 case WLAN_CIPHER_SUITE_SMS4:
254 *ar_cipher = WAPI_CRYPT;
255 *ar_cipher_len = 0;
256 break;
bdcd8170
KV		 257 default:
258 ath6kl_err("cipher 0x%x not supported\n", cipher);
259 return -ENOTSUPP;
260 }
261
262 return 0;
263}
264
240d2799 265static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
bdcd8170
KV		 266{
267 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
268
269 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
3450334f
VT		 270 if (vif->auth_mode == WPA_AUTH)
271 vif->auth_mode = WPA_PSK_AUTH;
272 else if (vif->auth_mode == WPA2_AUTH)
273 vif->auth_mode = WPA2_PSK_AUTH;
837cb97e 274 } else if (key_mgmt == 0x00409600) {
3450334f
VT		 275 if (vif->auth_mode == WPA_AUTH)
276 vif->auth_mode = WPA_AUTH_CCKM;
277 else if (vif->auth_mode == WPA2_AUTH)
278 vif->auth_mode = WPA2_AUTH_CCKM;
bdcd8170 279 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
3450334f 280 vif->auth_mode = NONE_AUTH;
bdcd8170
KV		 281 }
282}
283
990bd915 284static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
bdcd8170 285{
990bd915 286 struct ath6kl *ar = vif->ar;
59c98449 287
bdcd8170
KV		 288 if (!test_bit(WMI_READY, &ar->flag)) {
289 ath6kl_err("wmi is not ready\n");
290 return false;
291 }
292
59c98449 293 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
192a986d 294 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "wlan disabled\n");
bdcd8170
KV		 295 return false;
296 }
297
298 return true;
299}
300
6981ffdc
KF		 301static bool ath6kl_is_wpa_ie(const u8 *pos)
302{
04b2312a 303 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
6981ffdc
KF		 304 pos[2] == 0x00 && pos[3] == 0x50 &&
305 pos[4] == 0xf2 && pos[5] == 0x01;
306}
307
308static bool ath6kl_is_rsn_ie(const u8 *pos)
309{
310 return pos[0] == WLAN_EID_RSN;
311}
312
63541212
AT		 313static bool ath6kl_is_wps_ie(const u8 *pos)
314{
315 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
316 pos[1] >= 4 &&
317 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
318 pos[5] == 0x04);
319}
320
334234b5
VT		 321static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
322 size_t ies_len)
6981ffdc 323{
334234b5 324 struct ath6kl *ar = vif->ar;
6981ffdc
KF		 325 const u8 *pos;
326 u8 *buf = NULL;
327 size_t len = 0;
328 int ret;
329
63541212
AT		 330 /*
331 * Clear previously set flag
332 */
333
334 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
335
6981ffdc
KF		 336 /*
337 * Filter out RSN/WPA IE(s)
338 */
339
340 if (ies && ies_len) {
341 buf = kmalloc(ies_len, GFP_KERNEL);
342 if (buf == NULL)
343 return -ENOMEM;
344 pos = ies;
345
346 while (pos + 1 < ies + ies_len) {
347 if (pos + 2 + pos[1] > ies + ies_len)
348 break;
349 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
350 memcpy(buf + len, pos, 2 + pos[1]);
351 len += 2 + pos[1];
352 }
63541212
AT		 353
354 if (ath6kl_is_wps_ie(pos))
355 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
356
6981ffdc
KF		 357 pos += 2 + pos[1];
358 }
359 }
360
334234b5
VT		 361 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
362 WMI_FRAME_ASSOC_REQ, buf, len);
6981ffdc
KF		 363 kfree(buf);
364 return ret;
365}
366
55055976
VT		 367static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
368{
369 switch (type) {
370 case NL80211_IFTYPE_STATION:
38142644 371 case NL80211_IFTYPE_P2P_CLIENT:
55055976
VT		 372 *nw_type = INFRA_NETWORK;
373 break;
374 case NL80211_IFTYPE_ADHOC:
375 *nw_type = ADHOC_NETWORK;
376 break;
377 case NL80211_IFTYPE_AP:
55055976
VT		 378 case NL80211_IFTYPE_P2P_GO:
379 *nw_type = AP_NETWORK;
380 break;
381 default:
382 ath6kl_err("invalid interface type %u\n", type);
383 return -ENOTSUPP;
384 }
385
386 return 0;
387}
388
389static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
390 u8 *if_idx, u8 *nw_type)
391{
392 int i;
393
394 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
395 return false;
396
397 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
96f1fadc 398 ar->num_vif))
55055976
VT		 399 return false;
400
401 if (type == NL80211_IFTYPE_STATION ||
402 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
71f96ee6 403 for (i = 0; i < ar->vif_max; i++) {
0db96de6 404 if ((ar->avail_idx_map) & BIT(i)) {
55055976
VT		 405 *if_idx = i;
406 return true;
407 }
408 }
409 }
410
3226f68a
VT		 411 if (type == NL80211_IFTYPE_P2P_CLIENT ||
412 type == NL80211_IFTYPE_P2P_GO) {
71f96ee6 413 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
0db96de6 414 if ((ar->avail_idx_map) & BIT(i)) {
3226f68a
VT		 415 *if_idx = i;
416 return true;
417 }
418 }
419 }
420
55055976
VT		 421 return false;
422}
423
8c9bb054
KV		 424static bool ath6kl_is_tx_pending(struct ath6kl *ar)
425{
426 return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
427}
428
355b3a98
MSS		 429static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif,
430 bool enable)
431{
432 int err;
433
434 if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag)))
435 return;
436
437 if (vif->nw_type != INFRA_NETWORK)
438 return;
439
440 if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
441 vif->ar->fw_capabilities))
442 return;
443
444 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n",
445 enable ? "enable" : "disable");
446
447 err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi,
448 vif->fw_vif_idx, enable);
449 if (err)
450 ath6kl_err("failed to %s enhanced bmiss detection: %d\n",
451 enable ? "enable" : "disable", err);
452}
8c9bb054 453
bdcd8170
KV		 454static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
455 struct cfg80211_connect_params *sme)
456{
457 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 458 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170 459 int status;
3ca9d1fc 460 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
ce0dc0cf 461 u16 interval;
bdcd8170 462
10509f90
KV		 463 ath6kl_cfg80211_sscan_disable(vif);
464
14ee6f6b 465 vif->sme_state = SME_CONNECTING;
bdcd8170 466
990bd915 467 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 468 return -EIO;
469
470 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
471 ath6kl_err("destroy in progress\n");
472 return -EBUSY;
473 }
474
475 if (test_bit(SKIP_SCAN, &ar->flag) &&
476 ((sme->channel && sme->channel->center_freq == 0) ||
477 (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
478 ath6kl_err("SkipScan: channel or bssid invalid\n");
479 return -EINVAL;
480 }
481
482 if (down_interruptible(&ar->sem)) {
483 ath6kl_err("busy, couldn't get access\n");
484 return -ERESTARTSYS;
485 }
486
487 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
488 ath6kl_err("busy, destroy in progress\n");
489 up(&ar->sem);
490 return -EBUSY;
491 }
492
493 if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
494 /*
495 * sleep until the command queue drains
496 */
497 wait_event_interruptible_timeout(ar->event_wq,
8c9bb054
KV		 498 ath6kl_is_tx_pending(ar),
499 WMI_TIMEOUT);
bdcd8170
KV		 500 if (signal_pending(current)) {
501 ath6kl_err("cmd queue drain timeout\n");
502 up(&ar->sem);
503 return -EINTR;
504 }
505 }
506
6e786cb1
JM		 507 status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
508 if (status) {
509 up(&ar->sem);
510 return status;
511 }
512
513 if (sme->ie == NULL || sme->ie_len == 0)
542c519a 514 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
6981ffdc 515
59c98449 516 if (test_bit(CONNECTED, &vif->flags) &&
3450334f
VT		 517 vif->ssid_len == sme->ssid_len &&
518 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
cf5333d7 519 vif->reconnect_flag = true;
334234b5
VT		 520 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
521 vif->req_bssid,
f74bac54 522 vif->ch_hint);
bdcd8170
KV		 523
524 up(&ar->sem);
525 if (status) {
526 ath6kl_err("wmi_reconnect_cmd failed\n");
527 return -EIO;
528 }
529 return 0;
3450334f
VT		 530 } else if (vif->ssid_len == sme->ssid_len &&
531 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
240d2799 532 ath6kl_disconnect(vif);
bdcd8170
KV		 533 }
534
3450334f
VT		 535 memset(vif->ssid, 0, sizeof(vif->ssid));
536 vif->ssid_len = sme->ssid_len;
537 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
bdcd8170
KV		 538
539 if (sme->channel)
f74bac54 540 vif->ch_hint = sme->channel->center_freq;
bdcd8170 541
8c8b65e3 542 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170 543 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
8c8b65e3 544 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
bdcd8170 545
240d2799 546 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
bdcd8170 547
240d2799 548 status = ath6kl_set_auth_type(vif, sme->auth_type);
bdcd8170
KV		 549 if (status) {
550 up(&ar->sem);
551 return status;
552 }
553
554 if (sme->crypto.n_ciphers_pairwise)
240d2799 555 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
bdcd8170 556 else
240d2799 557 ath6kl_set_cipher(vif, 0, true);
bdcd8170 558
240d2799 559 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
bdcd8170
KV		 560
561 if (sme->crypto.n_akm_suites)
240d2799 562 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
bdcd8170
KV		 563
564 if ((sme->key_len) &&
3450334f
VT		 565 (vif->auth_mode == NONE_AUTH) &&
566 (vif->prwise_crypto == WEP_CRYPT)) {
bdcd8170
KV		 567 struct ath6kl_key *key = NULL;
568
792ecb33 569 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 570 ath6kl_err("key index %d out of bounds\n",
571 sme->key_idx);
572 up(&ar->sem);
573 return -ENOENT;
574 }
575
6f2a73f9 576 key = &vif->keys[sme->key_idx];
bdcd8170
KV		 577 key->key_len = sme->key_len;
578 memcpy(key->key, sme->key, key->key_len);
3450334f
VT		 579 key->cipher = vif->prwise_crypto;
580 vif->def_txkey_index = sme->key_idx;
bdcd8170 581
334234b5 582 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
3450334f 583 vif->prwise_crypto,
bdcd8170
KV		 584 GROUP_USAGE | TX_USAGE,
585 key->key_len,
f4bb9a6f 586 NULL, 0,
bdcd8170
KV		 587 key->key, KEY_OP_INIT_VAL, NULL,
588 NO_SYNC_WMIFLAG);
589 }
590
591 if (!ar->usr_bss_filter) {
59c98449 592 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
240d2799 593 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
96f1fadc 594 ALL_BSS_FILTER, 0) != 0) {
bdcd8170
KV		 595 ath6kl_err("couldn't set bss filtering\n");
596 up(&ar->sem);
597 return -EIO;
598 }
599 }
600
f5938f24 601 vif->nw_type = vif->next_mode;
bdcd8170 602
c422d52d
TP		 603 /* enable enhanced bmiss detection if applicable */
604 ath6kl_cfg80211_sta_bmiss_enhance(vif, true);
605
3ca9d1fc
AT		 606 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
607 nw_subtype = SUBTYPE_P2PCLIENT;
608
bdcd8170
KV		 609 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
610 "%s: connect called with authmode %d dot11 auth %d"
611 " PW crypto %d PW crypto len %d GRP crypto %d"
612 " GRP crypto len %d channel hint %u\n",
613 __func__,
3450334f
VT		 614 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
615 vif->prwise_crypto_len, vif->grp_crypto,
f74bac54 616 vif->grp_crypto_len, vif->ch_hint);
bdcd8170 617
cf5333d7 618 vif->reconnect_flag = 0;
ce0dc0cf
RM		 619
620 if (vif->nw_type == INFRA_NETWORK) {
b5283871
KV		 621 interval = max_t(u16, vif->listen_intvl_t,
622 ATH6KL_MAX_WOW_LISTEN_INTL);
ce0dc0cf
RM		 623 status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
624 interval,
625 0);
626 if (status) {
627 ath6kl_err("couldn't set listen intervel\n");
628 up(&ar->sem);
629 return status;
630 }
631 }
632
334234b5 633 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
3450334f
VT		 634 vif->dot11_auth_mode, vif->auth_mode,
635 vif->prwise_crypto,
636 vif->prwise_crypto_len,
637 vif->grp_crypto, vif->grp_crypto_len,
638 vif->ssid_len, vif->ssid,
f74bac54 639 vif->req_bssid, vif->ch_hint,
3ca9d1fc 640 ar->connect_ctrl_flags, nw_subtype);
bdcd8170 641
6f7c1adb
MSS		 642 if (sme->bg_scan_period == 0) {
643 /* disable background scan if period is 0 */
f599359c 644 sme->bg_scan_period = 0xffff;
6f7c1adb
MSS		 645 } else if (sme->bg_scan_period == -1) {
646 /* configure default value if not specified */
f599359c 647 sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
6f7c1adb 648 }
f599359c
BS		 649
650 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0,
651 sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
652
bdcd8170
KV		 653 up(&ar->sem);
654
655 if (status == -EINVAL) {
3450334f
VT		 656 memset(vif->ssid, 0, sizeof(vif->ssid));
657 vif->ssid_len = 0;
bdcd8170
KV		 658 ath6kl_err("invalid request\n");
659 return -ENOENT;
660 } else if (status) {
661 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
662 return -EIO;
663 }
664
665 if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
ddc3d77c
KV		 666 ((vif->auth_mode == WPA_PSK_AUTH) ||
667 (vif->auth_mode == WPA2_PSK_AUTH))) {
de3ad713 668 mod_timer(&vif->disconnect_timer,
bdcd8170
KV		 669 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
670 }
671
672 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
59c98449 673 set_bit(CONNECT_PEND, &vif->flags);
bdcd8170
KV		 674
675 return 0;
676}
677
5e13fd35
VT		 678static struct cfg80211_bss *
679ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
680 enum network_type nw_type,
681 const u8 *bssid,
682 struct ieee80211_channel *chan,
683 const u8 *beacon_ie,
684 size_t beacon_ie_len)
01cac476 685{
240d2799 686 struct ath6kl *ar = vif->ar;
01cac476 687 struct cfg80211_bss *bss;
6eb18137
DL		 688 u16 cap_val;
689 enum ieee80211_bss_type bss_type;
01cac476
JM		 690 u8 *ie;
691
4eab6f4f 692 if (nw_type & ADHOC_NETWORK) {
4eab6f4f 693 cap_val = WLAN_CAPABILITY_IBSS;
6eb18137 694 bss_type = IEEE80211_BSS_TYPE_IBSS;
4eab6f4f 695 } else {
4eab6f4f 696 cap_val = WLAN_CAPABILITY_ESS;
6eb18137 697 bss_type = IEEE80211_BSS_TYPE_ESS;
4eab6f4f
RM		 698 }
699
be98e3a4 700 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
4eab6f4f 701 vif->ssid, vif->ssid_len,
6eb18137 702 bss_type, IEEE80211_PRIVACY_ANY);
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,
5bc8c1f2 720 CFG80211_BSS_FTYPE_UNKNOWN,
4eab6f4f 721 bssid, 0, cap_val, 100,
3450334f 722 ie, 2 + vif->ssid_len + beacon_ie_len,
01cac476
JM		 723 0, GFP_KERNEL);
724 if (bss)
cdeb8602
KV		 725 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
726 "added bss %pM to cfg80211\n", bssid);
01cac476 727 kfree(ie);
a5d8f9df 728 } else {
5e13fd35 729 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
a5d8f9df 730 }
01cac476 731
5e13fd35 732 return bss;
01cac476
JM		 733}
734
240d2799 735void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
bdcd8170
KV		 736 u8 *bssid, u16 listen_intvl,
737 u16 beacon_intvl,
738 enum network_type nw_type,
739 u8 beacon_ie_len, u8 assoc_req_len,
740 u8 assoc_resp_len, u8 *assoc_info)
741{
01cac476 742 struct ieee80211_channel *chan;
240d2799 743 struct ath6kl *ar = vif->ar;
5e13fd35 744 struct cfg80211_bss *bss;
bdcd8170
KV		 745
746 /* capinfo + listen interval */
747 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
748
749 /* capinfo + status code + associd */
750 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
751
752 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
753 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
754 assoc_resp_ie_offset;
755
756 assoc_req_len -= assoc_req_ie_offset;
757 assoc_resp_len -= assoc_resp_ie_offset;
758
32c10874
JM		 759 /*
760 * Store Beacon interval here; DTIM period will be available only once
761 * a Beacon frame from the AP is seen.
762 */
cf5333d7 763 vif->assoc_bss_beacon_int = beacon_intvl;
59c98449 764 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
32c10874 765
bdcd8170 766 if (nw_type & ADHOC_NETWORK) {
551959d8 767 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
bdcd8170
KV		 768 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
769 "%s: ath6k not in ibss mode\n", __func__);
770 return;
771 }
772 }
773
774 if (nw_type & INFRA_NETWORK) {
551959d8
VT		 775 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
776 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
bdcd8170
KV		 777 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
778 "%s: ath6k not in station mode\n", __func__);
779 return;
780 }
781 }
782
be98e3a4 783 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
bdcd8170 784
5e13fd35
VT		 785 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
786 assoc_info, beacon_ie_len);
787 if (!bss) {
4eab6f4f 788 ath6kl_err("could not add cfg80211 bss entry\n");
bdcd8170
KV		 789 return;
790 }
791
4eab6f4f
RM		 792 if (nw_type & ADHOC_NETWORK) {
793 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
794 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
fe94f3a4 795 cfg80211_ibss_joined(vif->ndev, bssid, chan, GFP_KERNEL);
5b112d3d 796 cfg80211_put_bss(ar->wiphy, bss);
bdcd8170
KV		 797 return;
798 }
799
14ee6f6b 800 if (vif->sme_state == SME_CONNECTING) {
bdcd8170 801 /* inform connect result to cfg80211 */
14ee6f6b 802 vif->sme_state = SME_CONNECTED;
240d2799 803 cfg80211_connect_result(vif->ndev, bssid,
bdcd8170
KV		 804 assoc_req_ie, assoc_req_len,
805 assoc_resp_ie, assoc_resp_len,
806 WLAN_STATUS_SUCCESS, GFP_KERNEL);
5b112d3d 807 cfg80211_put_bss(ar->wiphy, bss);
14ee6f6b 808 } else if (vif->sme_state == SME_CONNECTED) {
29ce6ecb 809 struct cfg80211_roam_info roam_info = {
efbabc11 810 .links[0].bss = bss,
29ce6ecb
AS		 811 .req_ie = assoc_req_ie,
812 .req_ie_len = assoc_req_len,
813 .resp_ie = assoc_resp_ie,
814 .resp_ie_len = assoc_resp_len,
815 };
bdcd8170 816 /* inform roam event to cfg80211 */
29ce6ecb 817 cfg80211_roamed(vif->ndev, &roam_info, GFP_KERNEL);
bdcd8170
KV		 818 }
819}
820
821static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
822 struct net_device *dev, u16 reason_code)
823{
d6d5c06c 824 struct ath6kl *ar = ath6kl_priv(dev);
3450334f 825 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 826
827 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
828 reason_code);
829
10509f90
KV		 830 ath6kl_cfg80211_sscan_disable(vif);
831
990bd915 832 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 833 return -EIO;
834
835 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
836 ath6kl_err("busy, destroy in progress\n");
837 return -EBUSY;
838 }
839
840 if (down_interruptible(&ar->sem)) {
841 ath6kl_err("busy, couldn't get access\n");
842 return -ERESTARTSYS;
843 }
844
cf5333d7 845 vif->reconnect_flag = 0;
240d2799 846 ath6kl_disconnect(vif);
3450334f
VT		 847 memset(vif->ssid, 0, sizeof(vif->ssid));
848 vif->ssid_len = 0;
bdcd8170
KV		 849
850 if (!test_bit(SKIP_SCAN, &ar->flag))
8c8b65e3 851 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170
KV		 852
853 up(&ar->sem);
854
855 return 0;
856}
857
240d2799 858void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
bdcd8170
KV		 859 u8 *bssid, u8 assoc_resp_len,
860 u8 *assoc_info, u16 proto_reason)
861{
240d2799 862 struct ath6kl *ar = vif->ar;
59c98449 863
14ee6f6b 864 if (vif->scan_req) {
1d76250b
AS		 865 struct cfg80211_scan_info info = {
866 .aborted = true,
867 };
868
869 cfg80211_scan_done(vif->scan_req, &info);
14ee6f6b 870 vif->scan_req = NULL;
bdcd8170
KV		 871 }
872
f5938f24 873 if (vif->nw_type & ADHOC_NETWORK) {
fe94f3a4 874 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC)
bdcd8170
KV		 875 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
876 "%s: ath6k not in ibss mode\n", __func__);
bdcd8170
KV		 877 return;
878 }
879
f5938f24 880 if (vif->nw_type & INFRA_NETWORK) {
551959d8
VT		 881 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
882 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
bdcd8170
KV		 883 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
884 "%s: ath6k not in station mode\n", __func__);
885 return;
886 }
887 }
888
59c98449 889 clear_bit(CONNECT_PEND, &vif->flags);
bdcd8170 890
14ee6f6b 891 if (vif->sme_state == SME_CONNECTING) {
240d2799 892 cfg80211_connect_result(vif->ndev,
96f1fadc
KV		 893 bssid, NULL, 0,
894 NULL, 0,
895 WLAN_STATUS_UNSPECIFIED_FAILURE,
896 GFP_KERNEL);
14ee6f6b 897 } else if (vif->sme_state == SME_CONNECTED) {
33a6664a 898 cfg80211_disconnected(vif->ndev, proto_reason,
80279fb7 899 NULL, 0, false, GFP_KERNEL);
bdcd8170
KV		 900 }
901
14ee6f6b 902 vif->sme_state = SME_DISCONNECTED;
33a6664a
TP		 903
904 /*
905 * Send a disconnect command to target when a disconnect event is
906 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
907 * request from host) to make the firmware stop trying to connect even
908 * after giving disconnect event. There will be one more disconnect
909 * event for this disconnect command with reason code DISCONNECT_CMD
910 * which won't be notified to cfg80211.
911 */
912 if (reason != DISCONNECT_CMD)
913 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
bdcd8170
KV		 914}
915
3b8ffc6a
JM		 916static int ath6kl_set_probed_ssids(struct ath6kl *ar,
917 struct ath6kl_vif *vif,
dd45b759
NS		 918 struct cfg80211_ssid *ssids, int n_ssids,
919 struct cfg80211_match_set *match_set,
920 int n_match_ssid)
3b8ffc6a 921{
dd45b759
NS		 922 u8 i, j, index_to_add, ssid_found = false;
923 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
924
925 memset(ssid_list, 0, sizeof(ssid_list));
3b8ffc6a 926
dd45b759
NS		 927 if (n_ssids > MAX_PROBED_SSIDS ||
928 n_match_ssid > MAX_PROBED_SSIDS)
3b8ffc6a
JM		 929 return -EINVAL;
930
931 for (i = 0; i < n_ssids; i++) {
dd45b759
NS		 932 memcpy(ssid_list[i].ssid.ssid,
933 ssids[i].ssid,
934 ssids[i].ssid_len);
935 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
936
937 if (ssids[i].ssid_len)
938 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
939 else
940 ssid_list[i].flag = ANY_SSID_FLAG;
941
fb376a49 942 if (ar->wiphy->max_match_sets != 0 && n_match_ssid == 0)
dd45b759
NS		 943 ssid_list[i].flag |= MATCH_SSID_FLAG;
944 }
945
946 index_to_add = i;
947
948 for (i = 0; i < n_match_ssid; i++) {
949 ssid_found = false;
950
951 for (j = 0; j < n_ssids; j++) {
952 if ((match_set[i].ssid.ssid_len ==
953 ssid_list[j].ssid.ssid_len) &&
954 (!memcmp(ssid_list[j].ssid.ssid,
955 match_set[i].ssid.ssid,
956 match_set[i].ssid.ssid_len))) {
957 ssid_list[j].flag |= MATCH_SSID_FLAG;
958 ssid_found = true;
959 break;
960 }
961 }
962
963 if (ssid_found)
964 continue;
965
966 if (index_to_add >= MAX_PROBED_SSIDS)
967 continue;
968
969 ssid_list[index_to_add].ssid.ssid_len =
970 match_set[i].ssid.ssid_len;
971 memcpy(ssid_list[index_to_add].ssid.ssid,
972 match_set[i].ssid.ssid,
973 match_set[i].ssid.ssid_len);
974 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
975 index_to_add++;
976 }
977
978 for (i = 0; i < index_to_add; i++) {
3b8ffc6a 979 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
dd45b759
NS		 980 ssid_list[i].flag,
981 ssid_list[i].ssid.ssid_len,
982 ssid_list[i].ssid.ssid);
3b8ffc6a
JM		 983 }
984
985 /* Make sure no old entries are left behind */
dd45b759 986 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
3b8ffc6a
JM		 987 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
988 DISABLE_SSID_FLAG, 0, NULL);
989 }
990
991 return 0;
992}
993
fd014284 994static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
bdcd8170
KV		 995 struct cfg80211_scan_request *request)
996{
fd014284
JB		 997 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
998 struct ath6kl *ar = ath6kl_priv(vif->ndev);
1276c9ef
EL		 999 s8 n_channels = 0;
1000 u16 *channels = NULL;
bdcd8170 1001 int ret = 0;
f1f92179 1002 u32 force_fg_scan = 0;
bdcd8170 1003
990bd915 1004 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1005 return -EIO;
1006
10509f90
KV		 1007 ath6kl_cfg80211_sscan_disable(vif);
1008
bdcd8170 1009 if (!ar->usr_bss_filter) {
59c98449 1010 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
954e6ce5
VT		 1011 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1012 ALL_BSS_FILTER, 0);
1b1e6ee3 1013 if (ret) {
bdcd8170 1014 ath6kl_err("couldn't set bss filtering\n");
1b1e6ee3 1015 return ret;
bdcd8170
KV		 1016 }
1017 }
1018
3b8ffc6a 1019 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
dd45b759 1020 request->n_ssids, NULL, 0);
3b8ffc6a
JM		 1021 if (ret < 0)
1022 return ret;
bdcd8170 1023
080eec4f
AT		 1024 /* this also clears IE in fw if it's not set */
1025 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1026 WMI_FRAME_PROBE_REQ,
1027 request->ie, request->ie_len);
1028 if (ret) {
f1ff32e8 1029 ath6kl_err("failed to set Probe Request appie for scan\n");
080eec4f 1030 return ret;
b84da8c7
JM		 1031 }
1032
11869bef
JM		 1033 /*
1034 * Scan only the requested channels if the request specifies a set of
1035 * channels. If the list is longer than the target supports, do not
1036 * configure the list and instead, scan all available channels.
1037 */
1038 if (request->n_channels > 0 &&
1039 request->n_channels <= WMI_MAX_CHANNELS) {
1276c9ef
EL		 1040 u8 i;
1041
11869bef 1042 n_channels = request->n_channels;
1276c9ef 1043
6396bb22 1044 channels = kcalloc(n_channels, sizeof(u16), GFP_KERNEL);
1276c9ef 1045 if (channels == NULL) {
cdeb8602 1046 ath6kl_warn("failed to set scan channels, scan all channels");
1276c9ef
EL		 1047 n_channels = 0;
1048 }
1049
1050 for (i = 0; i < n_channels; i++)
1051 channels[i] = request->channels[i]->center_freq;
1052 }
1053
59c98449 1054 if (test_bit(CONNECTED, &vif->flags))
f1f92179
VT		 1055 force_fg_scan = 1;
1056
5b35dff0
RM		 1057 vif->scan_req = request;
1058
11f0bfcf
KV		 1059 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1060 WMI_LONG_SCAN, force_fg_scan,
1061 false, 0,
1062 ATH6KL_FG_SCAN_INTERVAL,
1063 n_channels, channels,
1064 request->no_cck,
1065 request->rates);
5b35dff0 1066 if (ret) {
11f0bfcf 1067 ath6kl_err("failed to start scan: %d\n", ret);
5b35dff0
RM		 1068 vif->scan_req = NULL;
1069 }
bdcd8170 1070
1276c9ef
EL		 1071 kfree(channels);
1072
bdcd8170
KV		 1073 return ret;
1074}
1075
1c17d313 1076void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
bdcd8170 1077{
240d2799 1078 struct ath6kl *ar = vif->ar;
1d76250b
AS		 1079 struct cfg80211_scan_info info = {
1080 .aborted = aborted,
1081 };
6fd1eace 1082 int i;
bdcd8170 1083
1c17d313
KV		 1084 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1085 aborted ? " aborted" : "");
bdcd8170 1086
14ee6f6b 1087 if (!vif->scan_req)
6fd1eace
KV		 1088 return;
1089
1c17d313 1090 if (aborted)
6fd1eace 1091 goto out;
6fd1eace 1092
14ee6f6b
VT		 1093 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1094 for (i = 0; i < vif->scan_req->n_ssids; i++) {
334234b5 1095 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
5803c128 1096 i, DISABLE_SSID_FLAG,
6fd1eace 1097 0, NULL);
bdcd8170 1098 }
bdcd8170 1099 }
6fd1eace
KV		 1100
1101out:
1d76250b 1102 cfg80211_scan_done(vif->scan_req, &info);
14ee6f6b 1103 vif->scan_req = NULL;
bdcd8170
KV		 1104}
1105
c4f7863e
TP		 1106void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1107 enum wmi_phy_mode mode)
1108{
683b6d3b 1109 struct cfg80211_chan_def chandef;
c4f7863e
TP		 1110
1111 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1112 "channel switch notify nw_type %d freq %d mode %d\n",
1113 vif->nw_type, freq, mode);
1114
3d9d1d66
JB		 1115 cfg80211_chandef_create(&chandef,
1116 ieee80211_get_channel(vif->ar->wiphy, freq),
f3651bae
PLM		 1117 (mode == WMI_11G_HT20 &&
1118 ath6kl_band_2ghz.ht_cap.ht_supported) ?
3d9d1d66 1119 NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT);
c4f7863e 1120
076fc877 1121 wiphy_lock(vif->ar->wiphy);
b82730bf 1122 cfg80211_ch_switch_notify(vif->ndev, &chandef, 0);
076fc877 1123 wiphy_unlock(vif->ar->wiphy);
c4f7863e
TP		 1124}
1125
bdcd8170 1126static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
e7a7b84e 1127 int link_id, u8 key_index, bool pairwise,
bdcd8170
KV		 1128 const u8 *mac_addr,
1129 struct key_params *params)
1130{
d6d5c06c 1131 struct ath6kl *ar = ath6kl_priv(ndev);
59c98449 1132 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170 1133 struct ath6kl_key *key = NULL;
4a8ce2fd 1134 int seq_len;
bdcd8170
KV		 1135 u8 key_usage;
1136 u8 key_type;
bdcd8170 1137
990bd915 1138 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1139 return -EIO;
1140
837cb97e
JM		 1141 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1142 if (params->key_len != WMI_KRK_LEN)
1143 return -EINVAL;
240d2799
VT		 1144 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1145 params->key);
837cb97e
JM		 1146 }
1147
792ecb33 1148 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1149 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1150 "%s: key index %d out of bounds\n", __func__,
1151 key_index);
1152 return -ENOENT;
1153 }
1154
6f2a73f9 1155 key = &vif->keys[key_index];
bdcd8170
KV		 1156 memset(key, 0, sizeof(struct ath6kl_key));
1157
1158 if (pairwise)
1159 key_usage = PAIRWISE_USAGE;
1160 else
1161 key_usage = GROUP_USAGE;
1162
4a8ce2fd
SM		 1163 seq_len = params->seq_len;
1164 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1165 seq_len > ATH6KL_KEY_SEQ_LEN) {
1166 /* Only first half of the WPI PN is configured */
1167 seq_len = ATH6KL_KEY_SEQ_LEN;
bdcd8170 1168 }
4a8ce2fd
SM		 1169 if (params->key_len > WLAN_MAX_KEY_LEN ||
1170 seq_len > sizeof(key->seq))
1171 return -EINVAL;
1172
1173 key->key_len = params->key_len;
1174 memcpy(key->key, params->key, key->key_len);
1175 key->seq_len = seq_len;
1176 memcpy(key->seq, params->seq, key->seq_len);
1177 key->cipher = params->cipher;
bdcd8170
KV		 1178
1179 switch (key->cipher) {
1180 case WLAN_CIPHER_SUITE_WEP40:
1181 case WLAN_CIPHER_SUITE_WEP104:
1182 key_type = WEP_CRYPT;
1183 break;
1184
1185 case WLAN_CIPHER_SUITE_TKIP:
1186 key_type = TKIP_CRYPT;
1187 break;
1188
1189 case WLAN_CIPHER_SUITE_CCMP:
1190 key_type = AES_CRYPT;
1191 break;
5e07021e
DS		 1192 case WLAN_CIPHER_SUITE_SMS4:
1193 key_type = WAPI_CRYPT;
1194 break;
bdcd8170
KV		 1195
1196 default:
1197 return -ENOTSUPP;
1198 }
1199
ddc3d77c
KV		 1200 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1201 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1202 (key_usage & GROUP_USAGE))
de3ad713 1203 del_timer(&vif->disconnect_timer);
bdcd8170
KV		 1204
1205 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1206 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1207 __func__, key_index, key->key_len, key_type,
1208 key_usage, key->seq_len);
1209
f5938f24 1210 if (vif->nw_type == AP_NETWORK && !pairwise &&
4703290a 1211 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
cc4d623d 1212 key_type == WAPI_CRYPT)) {
9a5b1318
JM		 1213 ar->ap_mode_bkey.valid = true;
1214 ar->ap_mode_bkey.key_index = key_index;
1215 ar->ap_mode_bkey.key_type = key_type;
1216 ar->ap_mode_bkey.key_len = key->key_len;
1217 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
59c98449 1218 if (!test_bit(CONNECTED, &vif->flags)) {
cdeb8602
KV		 1219 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1220 "Delay initial group key configuration until AP mode has been started\n");
9a5b1318
JM		 1221 /*
1222 * The key will be set in ath6kl_connect_ap_mode() once
1223 * the connected event is received from the target.
1224 */
1225 return 0;
1226 }
1227 }
1228
f5938f24 1229 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
59c98449 1230 !test_bit(CONNECTED, &vif->flags)) {
151411e8
JM		 1231 /*
1232 * Store the key locally so that it can be re-configured after
1233 * the AP mode has properly started
1234 * (ath6kl_install_statioc_wep_keys).
1235 */
cdeb8602
KV		 1236 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1237 "Delay WEP key configuration until AP mode has been started\n");
6f2a73f9
VT		 1238 vif->wep_key_list[key_index].key_len = key->key_len;
1239 memcpy(vif->wep_key_list[key_index].key, key->key,
1240 key->key_len);
151411e8
JM		 1241 return 0;
1242 }
1243
7cefa44f 1244 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
f3e61ece
JM		 1245 key_type, key_usage, key->key_len,
1246 key->seq, key->seq_len, key->key,
1247 KEY_OP_INIT_VAL,
1248 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
bdcd8170
KV		 1249}
1250
1251static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
e7a7b84e 1252 int link_id, u8 key_index, bool pairwise,
bdcd8170
KV		 1253 const u8 *mac_addr)
1254{
d6d5c06c 1255 struct ath6kl *ar = ath6kl_priv(ndev);
6f2a73f9 1256 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170
KV		 1257
1258 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1259
990bd915 1260 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1261 return -EIO;
1262
792ecb33 1263 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1264 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1265 "%s: key index %d out of bounds\n", __func__,
1266 key_index);
1267 return -ENOENT;
1268 }
1269
6f2a73f9 1270 if (!vif->keys[key_index].key_len) {
bdcd8170
KV		 1271 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1272 "%s: index %d is empty\n", __func__, key_index);
1273 return 0;
1274 }
1275
6f2a73f9 1276 vif->keys[key_index].key_len = 0;
bdcd8170 1277
334234b5 1278 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
bdcd8170
KV		 1279}
1280
1281static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
e7a7b84e 1282 int link_id, u8 key_index, bool pairwise,
bdcd8170
KV		 1283 const u8 *mac_addr, void *cookie,
1284 void (*callback) (void *cookie,
1285 struct key_params *))
1286{
6f2a73f9 1287 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170
KV		 1288 struct ath6kl_key *key = NULL;
1289 struct key_params params;
1290
1291 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1292
990bd915 1293 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1294 return -EIO;
1295
792ecb33 1296 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1297 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1298 "%s: key index %d out of bounds\n", __func__,
1299 key_index);
1300 return -ENOENT;
1301 }
1302
6f2a73f9 1303 key = &vif->keys[key_index];
bdcd8170
KV		 1304 memset(&params, 0, sizeof(params));
1305 params.cipher = key->cipher;
1306 params.key_len = key->key_len;
1307 params.seq_len = key->seq_len;
1308 params.seq = key->seq;
1309 params.key = key->key;
1310
1311 callback(cookie, &params);
1312
1313 return key->key_len ? 0 : -ENOENT;
1314}
1315
1316static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
e7a7b84e 1317 struct net_device *ndev, int link_id,
bdcd8170
KV		 1318 u8 key_index, bool unicast,
1319 bool multicast)
1320{
d6d5c06c 1321 struct ath6kl *ar = ath6kl_priv(ndev);
59c98449 1322 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170 1323 struct ath6kl_key *key = NULL;
bdcd8170 1324 u8 key_usage;
3152a974 1325 enum ath6kl_crypto_type key_type = NONE_CRYPT;
bdcd8170
KV		 1326
1327 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1328
990bd915 1329 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1330 return -EIO;
1331
792ecb33 1332 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1333 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1334 "%s: key index %d out of bounds\n",
1335 __func__, key_index);
1336 return -ENOENT;
1337 }
1338
6f2a73f9 1339 if (!vif->keys[key_index].key_len) {
bdcd8170
KV		 1340 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1341 __func__, key_index);
1342 return -EINVAL;
1343 }
1344
3450334f 1345 vif->def_txkey_index = key_index;
6f2a73f9 1346 key = &vif->keys[vif->def_txkey_index];
bdcd8170 1347 key_usage = GROUP_USAGE;
3450334f 1348 if (vif->prwise_crypto == WEP_CRYPT)
bdcd8170 1349 key_usage |= TX_USAGE;
229ed6b5 1350 if (unicast)
3450334f 1351 key_type = vif->prwise_crypto;
229ed6b5 1352 if (multicast)
3450334f 1353 key_type = vif->grp_crypto;
bdcd8170 1354
f5938f24 1355 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
9a5b1318
JM		 1356 return 0; /* Delay until AP mode has been started */
1357
f3e61ece
JM		 1358 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1359 vif->def_txkey_index,
1360 key_type, key_usage,
1361 key->key_len, key->seq, key->seq_len,
1362 key->key,
1363 KEY_OP_INIT_VAL, NULL,
1364 SYNC_BOTH_WMIFLAG);
bdcd8170
KV		 1365}
1366
240d2799 1367void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
bdcd8170
KV		 1368 bool ismcast)
1369{
1370 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1371 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1372
240d2799 1373 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
bdcd8170
KV		 1374 (ismcast ? NL80211_KEYTYPE_GROUP :
1375 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1376 GFP_KERNEL);
1377}
1378
1379static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1380{
1381 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915 1382 struct ath6kl_vif *vif;
bdcd8170
KV		 1383 int ret;
1384
1385 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1386 changed);
1387
990bd915
VT		 1388 vif = ath6kl_vif_first(ar);
1389 if (!vif)
1390 return -EIO;
1391
1392 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1393 return -EIO;
1394
1395 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1396 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1397 if (ret != 0) {
1398 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1399 return -EIO;
1400 }
1401 }
1402
1403 return 0;
1404}
1405
bdcd8170 1406static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
c8442118 1407 struct wireless_dev *wdev,
bdcd8170 1408 enum nl80211_tx_power_setting type,
b992a285 1409 int mbm)
bdcd8170
KV		 1410{
1411 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915 1412 struct ath6kl_vif *vif;
b992a285 1413 int dbm = MBM_TO_DBM(mbm);
bdcd8170
KV		 1414
1415 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1416 type, dbm);
1417
990bd915
VT		 1418 vif = ath6kl_vif_first(ar);
1419 if (!vif)
1420 return -EIO;
1421
1422 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1423 return -EIO;
1424
1425 switch (type) {
1426 case NL80211_TX_POWER_AUTOMATIC:
1427 return 0;
1428 case NL80211_TX_POWER_LIMITED:
d0d670ab 1429 ar->tx_pwr = dbm;
bdcd8170
KV		 1430 break;
1431 default:
1432 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1433 __func__, type);
1434 return -EOPNOTSUPP;
1435 }
1436
d0d670ab 1437 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
bdcd8170
KV		 1438
1439 return 0;
1440}
1441
c8442118
JB		 1442static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy,
1443 struct wireless_dev *wdev,
1444 int *dbm)
bdcd8170
KV		 1445{
1446 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915
VT		 1447 struct ath6kl_vif *vif;
1448
1449 vif = ath6kl_vif_first(ar);
1450 if (!vif)
1451 return -EIO;
bdcd8170 1452
990bd915 1453 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1454 return -EIO;
1455
59c98449 1456 if (test_bit(CONNECTED, &vif->flags)) {
cabd34d0 1457 ar->tx_pwr = 255;
bdcd8170 1458
990bd915 1459 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
bdcd8170
KV		 1460 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1461 return -EIO;
1462 }
1463
cabd34d0 1464 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 255,
bdcd8170
KV		 1465 5 * HZ);
1466
1467 if (signal_pending(current)) {
1468 ath6kl_err("target did not respond\n");
1469 return -EINTR;
1470 }
1471 }
1472
1473 *dbm = ar->tx_pwr;
1474 return 0;
1475}
1476
1477static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1478 struct net_device *dev,
1479 bool pmgmt, int timeout)
1480{
1481 struct ath6kl *ar = ath6kl_priv(dev);
1482 struct wmi_power_mode_cmd mode;
334234b5 1483 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1484
1485 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1486 __func__, pmgmt, timeout);
1487
990bd915 1488 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1489 return -EIO;
1490
1491 if (pmgmt) {
f0ed67ec 1492 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
bdcd8170
KV		 1493 mode.pwr_mode = REC_POWER;
1494 } else {
f0ed67ec 1495 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
bdcd8170
KV		 1496 mode.pwr_mode = MAX_PERF_POWER;
1497 }
1498
334234b5 1499 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
96f1fadc 1500 mode.pwr_mode) != 0) {
bdcd8170
KV		 1501 ath6kl_err("wmi_powermode_cmd failed\n");
1502 return -EIO;
1503 }
1504
1505 return 0;
1506}
1507
84efbb84 1508static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
552bff0c 1509 const char *name,
6bab2e19 1510 unsigned char name_assign_type,
84efbb84 1511 enum nl80211_iftype type,
84efbb84 1512 struct vif_params *params)
55055976
VT		 1513{
1514 struct ath6kl *ar = wiphy_priv(wiphy);
84efbb84 1515 struct wireless_dev *wdev;
55055976
VT		 1516 u8 if_idx, nw_type;
1517
71f96ee6 1518 if (ar->num_vif == ar->vif_max) {
55055976
VT		 1519 ath6kl_err("Reached maximum number of supported vif\n");
1520 return ERR_PTR(-EINVAL);
1521 }
1522
1523 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1524 ath6kl_err("Not a supported interface type\n");
1525 return ERR_PTR(-EINVAL);
1526 }
1527
6bab2e19 1528 wdev = ath6kl_interface_add(ar, name, name_assign_type, type, if_idx, nw_type);
84efbb84 1529 if (!wdev)
55055976
VT		 1530 return ERR_PTR(-ENOMEM);
1531
1532 ar->num_vif++;
1533
84efbb84 1534 return wdev;
55055976
VT		 1535}
1536
1537static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
84efbb84 1538 struct wireless_dev *wdev)
55055976
VT		 1539{
1540 struct ath6kl *ar = wiphy_priv(wiphy);
84efbb84 1541 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
55055976 1542
11f6e40d 1543 spin_lock_bh(&ar->list_lock);
55055976 1544 list_del(&vif->list);
11f6e40d 1545 spin_unlock_bh(&ar->list_lock);
55055976 1546
355b3a98 1547 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
55055976 1548
bc52aab3 1549 rtnl_lock();
c25889e8 1550 ath6kl_cfg80211_vif_cleanup(vif);
bc52aab3 1551 rtnl_unlock();
55055976
VT		 1552
1553 return 0;
1554}
1555
bdcd8170
KV		 1556static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1557 struct net_device *ndev,
818a986e 1558 enum nl80211_iftype type,
bdcd8170
KV		 1559 struct vif_params *params)
1560{
f5938f24 1561 struct ath6kl_vif *vif = netdev_priv(ndev);
1e8d13b0 1562 int i;
bdcd8170
KV		 1563
1564 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1565
1e8d13b0
VT		 1566 /*
1567 * Don't bring up p2p on an interface which is not initialized
1568 * for p2p operation where fw does not have capability to switch
1569 * dynamically between non-p2p and p2p type interface.
1570 */
1571 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1572 vif->ar->fw_capabilities) &&
1573 (type == NL80211_IFTYPE_P2P_CLIENT ||
1574 type == NL80211_IFTYPE_P2P_GO)) {
1575 if (vif->ar->vif_max == 1) {
1576 if (vif->fw_vif_idx != 0)
1577 return -EINVAL;
1578 else
1579 goto set_iface_type;
1580 }
1581
1582 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1583 if (i == vif->fw_vif_idx)
1584 break;
1585 }
1586
1587 if (i == vif->ar->vif_max) {
1588 ath6kl_err("Invalid interface to bring up P2P\n");
1589 return -EINVAL;
1590 }
1591 }
1592
c422d52d
TP		 1593 /* need to clean up enhanced bmiss detection fw state */
1594 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1595
1e8d13b0 1596set_iface_type:
bdcd8170
KV		 1597 switch (type) {
1598 case NL80211_IFTYPE_STATION:
8aa659d2 1599 case NL80211_IFTYPE_P2P_CLIENT:
f5938f24 1600 vif->next_mode = INFRA_NETWORK;
bdcd8170
KV		 1601 break;
1602 case NL80211_IFTYPE_ADHOC:
f5938f24 1603 vif->next_mode = ADHOC_NETWORK;
bdcd8170 1604 break;
6e4604c8 1605 case NL80211_IFTYPE_AP:
6b5e5d25 1606 case NL80211_IFTYPE_P2P_GO:
f5938f24 1607 vif->next_mode = AP_NETWORK;
6b5e5d25 1608 break;
bdcd8170
KV		 1609 default:
1610 ath6kl_err("invalid interface type %u\n", type);
1611 return -EOPNOTSUPP;
1612 }
1613
551959d8 1614 vif->wdev.iftype = type;
bdcd8170
KV		 1615
1616 return 0;
1617}
1618
1619static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1620 struct net_device *dev,
1621 struct cfg80211_ibss_params *ibss_param)
1622{
1623 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 1624 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1625 int status;
1626
990bd915 1627 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1628 return -EIO;
1629
3450334f
VT		 1630 vif->ssid_len = ibss_param->ssid_len;
1631 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
bdcd8170 1632
683b6d3b
JB		 1633 if (ibss_param->chandef.chan)
1634 vif->ch_hint = ibss_param->chandef.chan->center_freq;
bdcd8170
KV		 1635
1636 if (ibss_param->channel_fixed) {
1637 /*
1638 * TODO: channel_fixed: The channel should be fixed, do not
1639 * search for IBSSs to join on other channels. Target
1640 * firmware does not support this feature, needs to be
1641 * updated.
1642 */
1643 return -EOPNOTSUPP;
1644 }
1645
8c8b65e3 1646 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170 1647 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
8c8b65e3
VT		 1648 memcpy(vif->req_bssid, ibss_param->bssid,
1649 sizeof(vif->req_bssid));
bdcd8170 1650
240d2799 1651 ath6kl_set_wpa_version(vif, 0);
bdcd8170 1652
240d2799 1653 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
bdcd8170
KV		 1654 if (status)
1655 return status;
1656
1657 if (ibss_param->privacy) {
240d2799
VT		 1658 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1659 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
bdcd8170 1660 } else {
240d2799
VT		 1661 ath6kl_set_cipher(vif, 0, true);
1662 ath6kl_set_cipher(vif, 0, false);
bdcd8170
KV		 1663 }
1664
f5938f24 1665 vif->nw_type = vif->next_mode;
bdcd8170
KV		 1666
1667 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1668 "%s: connect called with authmode %d dot11 auth %d"
1669 " PW crypto %d PW crypto len %d GRP crypto %d"
1670 " GRP crypto len %d channel hint %u\n",
1671 __func__,
3450334f
VT		 1672 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1673 vif->prwise_crypto_len, vif->grp_crypto,
f74bac54 1674 vif->grp_crypto_len, vif->ch_hint);
bdcd8170 1675
334234b5 1676 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
3450334f
VT		 1677 vif->dot11_auth_mode, vif->auth_mode,
1678 vif->prwise_crypto,
1679 vif->prwise_crypto_len,
1680 vif->grp_crypto, vif->grp_crypto_len,
1681 vif->ssid_len, vif->ssid,
f74bac54 1682 vif->req_bssid, vif->ch_hint,
3ca9d1fc 1683 ar->connect_ctrl_flags, SUBTYPE_NONE);
59c98449 1684 set_bit(CONNECT_PEND, &vif->flags);
bdcd8170
KV		 1685
1686 return 0;
1687}
1688
1689static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1690 struct net_device *dev)
1691{
3450334f 1692 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170 1693
990bd915 1694 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1695 return -EIO;
1696
240d2799 1697 ath6kl_disconnect(vif);
3450334f
VT		 1698 memset(vif->ssid, 0, sizeof(vif->ssid));
1699 vif->ssid_len = 0;
bdcd8170
KV		 1700
1701 return 0;
1702}
1703
1704static const u32 cipher_suites[] = {
1705 WLAN_CIPHER_SUITE_WEP40,
1706 WLAN_CIPHER_SUITE_WEP104,
1707 WLAN_CIPHER_SUITE_TKIP,
1708 WLAN_CIPHER_SUITE_CCMP,
837cb97e 1709 CCKM_KRK_CIPHER_SUITE,
5e07021e 1710 WLAN_CIPHER_SUITE_SMS4,
bdcd8170
KV		 1711};
1712
1713static bool is_rate_legacy(s32 rate)
1714{
1715 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1716 6000, 9000, 12000, 18000, 24000,
1717 36000, 48000, 54000
1718 };
1719 u8 i;
1720
1721 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1722 if (rate == legacy[i])
1723 return true;
1724
1725 return false;
1726}
1727
1728static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1729{
1730 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1731 52000, 58500, 65000, 72200
1732 };
1733 u8 i;
1734
1735 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1736 if (rate == ht20[i]) {
1737 if (i == ARRAY_SIZE(ht20) - 1)
1738 /* last rate uses sgi */
1739 *sgi = true;
1740 else
1741 *sgi = false;
1742
1743 *mcs = i;
1744 return true;
1745 }
1746 }
1747 return false;
1748}
1749
1750static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1751{
1752 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1753 81000, 108000, 121500, 135000,
1754 150000
1755 };
1756 u8 i;
1757
1758 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1759 if (rate == ht40[i]) {
1760 if (i == ARRAY_SIZE(ht40) - 1)
1761 /* last rate uses sgi */
1762 *sgi = true;
1763 else
1764 *sgi = false;
1765
1766 *mcs = i;
1767 return true;
1768 }
1769 }
1770
1771 return false;
1772}
1773
1774static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1775 const u8 *mac, struct station_info *sinfo)
bdcd8170
KV		 1776{
1777 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 1778 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1779 long left;
1780 bool sgi;
1781 s32 rate;
1782 int ret;
1783 u8 mcs;
1784
8c8b65e3 1785 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
bdcd8170
KV		 1786 return -ENOENT;
1787
1788 if (down_interruptible(&ar->sem))
1789 return -EBUSY;
1790
b95907a7 1791 set_bit(STATS_UPDATE_PEND, &vif->flags);
bdcd8170 1792
334234b5 1793 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
bdcd8170
KV		 1794
1795 if (ret != 0) {
1796 up(&ar->sem);
1797 return -EIO;
1798 }
1799
1800 left = wait_event_interruptible_timeout(ar->event_wq,
1801 !test_bit(STATS_UPDATE_PEND,
b95907a7 1802 &vif->flags),
bdcd8170
KV		 1803 WMI_TIMEOUT);
1804
1805 up(&ar->sem);
1806
1807 if (left == 0)
1808 return -ETIMEDOUT;
1809 else if (left < 0)
1810 return left;
1811
b95907a7
VT		 1812 if (vif->target_stats.rx_byte) {
1813 sinfo->rx_bytes = vif->target_stats.rx_byte;
22d0d2fa 1814 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64);
b95907a7 1815 sinfo->rx_packets = vif->target_stats.rx_pkt;
22d0d2fa 1816 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS);
bdcd8170
KV		 1817 }
1818
b95907a7
VT		 1819 if (vif->target_stats.tx_byte) {
1820 sinfo->tx_bytes = vif->target_stats.tx_byte;
22d0d2fa 1821 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64);
b95907a7 1822 sinfo->tx_packets = vif->target_stats.tx_pkt;
22d0d2fa 1823 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS);
bdcd8170
KV		 1824 }
1825
b95907a7 1826 sinfo->signal = vif->target_stats.cs_rssi;
22d0d2fa 1827 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL);
bdcd8170 1828
b95907a7 1829 rate = vif->target_stats.tx_ucast_rate;
bdcd8170
KV		 1830
1831 if (is_rate_legacy(rate)) {
1832 sinfo->txrate.legacy = rate / 100;
1833 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1834 if (sgi) {
1835 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1836 sinfo->txrate.mcs = mcs - 1;
1837 } else {
1838 sinfo->txrate.mcs = mcs;
1839 }
1840
1841 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
b51f3bee 1842 sinfo->txrate.bw = RATE_INFO_BW_20;
bdcd8170
KV		 1843 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1844 if (sgi) {
1845 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1846 sinfo->txrate.mcs = mcs - 1;
1847 } else {
1848 sinfo->txrate.mcs = mcs;
1849 }
1850
b51f3bee 1851 sinfo->txrate.bw = RATE_INFO_BW_40;
bdcd8170
KV		 1852 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1853 } else {
9a730834
KV		 1854 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1855 "invalid rate from stats: %d\n", rate);
1856 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
bdcd8170
KV		 1857 return 0;
1858 }
1859
22d0d2fa 1860 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
bdcd8170 1861
59c98449
VT		 1862 if (test_bit(CONNECTED, &vif->flags) &&
1863 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
f5938f24 1864 vif->nw_type == INFRA_NETWORK) {
22d0d2fa 1865 sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM);
32c10874 1866 sinfo->bss_param.flags = 0;
cf5333d7
VT		 1867 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1868 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
32c10874
JM		 1869 }
1870
bdcd8170
KV		 1871 return 0;
1872}
1873
1874static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1875 struct cfg80211_pmksa *pmksa)
1876{
1877 struct ath6kl *ar = ath6kl_priv(netdev);
334234b5
VT		 1878 struct ath6kl_vif *vif = netdev_priv(netdev);
1879
1880 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
bdcd8170
KV		 1881 pmksa->pmkid, true);
1882}
1883
1884static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1885 struct cfg80211_pmksa *pmksa)
1886{
1887 struct ath6kl *ar = ath6kl_priv(netdev);
334234b5
VT		 1888 struct ath6kl_vif *vif = netdev_priv(netdev);
1889
1890 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
bdcd8170
KV		 1891 pmksa->pmkid, false);
1892}
1893
1894static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1895{
1896 struct ath6kl *ar = ath6kl_priv(netdev);
59c98449
VT		 1897 struct ath6kl_vif *vif = netdev_priv(netdev);
1898
1899 if (test_bit(CONNECTED, &vif->flags))
334234b5
VT		 1900 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1901 vif->bssid, NULL, false);
bdcd8170
KV		 1902 return 0;
1903}
1904
d91e8eee
RM		 1905static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1906 struct cfg80211_wowlan *wow, u32 *filter)
6cb3c714 1907{
d91e8eee 1908 int ret, pos;
2c07cf44 1909 u8 mask[WOW_PATTERN_SIZE];
6cb3c714 1910 u16 i;
6cb3c714 1911
d91e8eee 1912 /* Configure the patterns that we received from the user. */
6cb3c714 1913 for (i = 0; i < wow->n_patterns; i++) {
6cb3c714
RM		 1914 /*
1915 * Convert given nl80211 specific mask value to equivalent
1916 * driver specific mask value and send it to the chip along
1917 * with patterns. For example, If the mask value defined in
1918 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1919 * then equivalent driver specific mask value is
1920 * "0xFF 0x00 0xFF 0x00".
1921 */
1922 memset(&mask, 0, sizeof(mask));
1923 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1924 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1925 mask[pos] = 0xFF;
1926 }
1927 /*
1928 * Note: Pattern's offset is not passed as part of wowlan
1929 * parameter from CFG layer. So it's always passed as ZERO
1930 * to the firmware. It means, given WOW patterns are always
1931 * matched from the first byte of received pkt in the firmware.
1932 */
1933 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
d91e8eee
RM		 1934 vif->fw_vif_idx, WOW_LIST_ID,
1935 wow->patterns[i].pattern_len,
1936 0 /* pattern offset */,
1937 wow->patterns[i].pattern, mask);
6cb3c714
RM		 1938 if (ret)
1939 return ret;
1940 }
1941
d91e8eee
RM		 1942 if (wow->disconnect)
1943 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1944
1945 if (wow->magic_pkt)
1946 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1947
1948 if (wow->gtk_rekey_failure)
1949 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1950
1951 if (wow->eap_identity_req)
1952 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1953
1954 if (wow->four_way_handshake)
1955 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1956
1957 return 0;
1958}
1959
1960static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1961{
1962 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1963 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1964 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1965 0x00, 0x08 };
1966 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1967 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1968 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1969 0x00, 0x7f };
1970 u8 unicst_offset = 0;
1971 static const u8 arp_pattern[] = { 0x08, 0x06 };
1972 static const u8 arp_mask[] = { 0xff, 0xff };
1973 u8 arp_offset = 20;
1974 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1975 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1976 u8 discvr_offset = 38;
1977 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1978 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1979 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1980 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1981 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1982 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1983 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1984 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1985 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1986 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1987 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1988 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1989 u8 dhcp_offset = 0;
1990 int ret;
1991
1992 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1993 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1994 vif->fw_vif_idx, WOW_LIST_ID,
1995 sizeof(unicst_pattern), unicst_offset,
1996 unicst_pattern, unicst_mask);
1997 if (ret) {
1998 ath6kl_err("failed to add WOW unicast IP pattern\n");
1999 return ret;
2000 }
2001
2002 /* Setup all ARP pkt pattern */
2003 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2004 vif->fw_vif_idx, WOW_LIST_ID,
2005 sizeof(arp_pattern), arp_offset,
2006 arp_pattern, arp_mask);
2007 if (ret) {
2008 ath6kl_err("failed to add WOW ARP pattern\n");
2009 return ret;
2010 }
2011
2012 /*
2013 * Setup multicast pattern for mDNS 224.0.0.251,
2014 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2015 */
2016 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2017 vif->fw_vif_idx, WOW_LIST_ID,
2018 sizeof(discvr_pattern), discvr_offset,
2019 discvr_pattern, discvr_mask);
2020 if (ret) {
2021 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2022 return ret;
2023 }
2024
2025 /* Setup all DHCP broadcast pkt pattern */
2026 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2027 vif->fw_vif_idx, WOW_LIST_ID,
2028 sizeof(dhcp_pattern), dhcp_offset,
2029 dhcp_pattern, dhcp_mask);
2030 if (ret) {
2031 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2032 return ret;
2033 }
2034
2035 return 0;
2036}
2037
2038static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2039{
2040 struct net_device *ndev = vif->ndev;
2041 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2042 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2043 u8 discvr_offset = 38;
2044 u8 mac_mask[ETH_ALEN];
2045 int ret;
2046
2047 /* Setup unicast pkt pattern */
93803b33 2048 eth_broadcast_addr(mac_mask);
d91e8eee
RM		 2049 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2050 vif->fw_vif_idx, WOW_LIST_ID,
2051 ETH_ALEN, 0, ndev->dev_addr,
2052 mac_mask);
2053 if (ret) {
2054 ath6kl_err("failed to add WOW unicast pattern\n");
2055 return ret;
2056 }
2057
2058 /*
2059 * Setup multicast pattern for mDNS 224.0.0.251,
2060 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2061 */
2062 if ((ndev->flags & IFF_ALLMULTI) ||
2063 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2064 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2065 vif->fw_vif_idx, WOW_LIST_ID,
2066 sizeof(discvr_pattern), discvr_offset,
2067 discvr_pattern, discvr_mask);
2068 if (ret) {
cdeb8602 2069 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
d91e8eee
RM		 2070 return ret;
2071 }
2072 }
2073
2074 return 0;
2075}
2076
055bde49
RM		 2077static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2078{
2079 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2080}
2081
2082static bool is_ctrl_ep_empty(struct ath6kl *ar)
2083{
2084 return !ar->tx_pending[ar->ctrl_ep];
2085}
2086
2087static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2088{
2089 int ret, left;
2090
2091 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2092
2093 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2094 ATH6KL_HOST_MODE_ASLEEP);
2095 if (ret)
2096 return ret;
2097
2098 left = wait_event_interruptible_timeout(ar->event_wq,
2099 is_hsleep_mode_procsed(vif),
2100 WMI_TIMEOUT);
2101 if (left == 0) {
2102 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2103 ret = -ETIMEDOUT;
2104 } else if (left < 0) {
2105 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2106 left);
2107 ret = left;
2108 }
2109
2110 if (ar->tx_pending[ar->ctrl_ep]) {
2111 left = wait_event_interruptible_timeout(ar->event_wq,
2112 is_ctrl_ep_empty(ar),
2113 WMI_TIMEOUT);
2114 if (left == 0) {
2115 ath6kl_warn("clear wmi ctrl data timeout\n");
2116 ret = -ETIMEDOUT;
2117 } else if (left < 0) {
2118 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2119 ret = left;
2120 }
2121 }
2122
2123 return ret;
2124}
2125
fd4377b6
TP		 2126static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2127 struct cfg80211_wowlan *wow, u32 *filter)
d91e8eee 2128{
fd4377b6 2129 struct ath6kl *ar = vif->ar;
d91e8eee
RM		 2130 struct in_device *in_dev;
2131 struct in_ifaddr *ifa;
055bde49 2132 int ret;
ce0dc0cf 2133 u16 i, bmiss_time;
d91e8eee 2134 __be32 ips[MAX_IP_ADDRS];
fd4377b6 2135 u8 index = 0;
d91e8eee 2136
6821d4f0
NG		 2137 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2138 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2139 ar->fw_capabilities)) {
6251d801
NG		 2140 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2141 vif->fw_vif_idx, false);
2142 if (ret)
2143 return ret;
2144 }
2145
d91e8eee
RM		 2146 /* Clear existing WOW patterns */
2147 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2148 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2149 WOW_LIST_ID, i);
2150
2151 /*
2152 * Skip the default WOW pattern configuration
2153 * if the driver receives any WOW patterns from
2154 * the user.
2155 */
2156 if (wow)
fd4377b6 2157 ret = ath6kl_wow_usr(ar, vif, wow, filter);
d91e8eee
RM		 2158 else if (vif->nw_type == AP_NETWORK)
2159 ret = ath6kl_wow_ap(ar, vif);
2160 else
2161 ret = ath6kl_wow_sta(ar, vif);
2162
2163 if (ret)
2164 return ret;
2165
390a8c8f
RM		 2166 netif_stop_queue(vif->ndev);
2167
ce0dc0cf
RM		 2168 if (vif->nw_type != AP_NETWORK) {
2169 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2170 ATH6KL_MAX_WOW_LISTEN_INTL,
2171 0);
2172 if (ret)
2173 return ret;
2174
2175 /* Set listen interval x 15 times as bmiss time */
2176 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2177 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2178 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2179
2180 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2181 bmiss_time, 0);
2182 if (ret)
2183 return ret;
2184
2185 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2186 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2187 0, 0, 0, 0);
2188 if (ret)
2189 return ret;
2190 }
2191
c08631c6
RM		 2192 /* Setup own IP addr for ARP agent. */
2193 in_dev = __in_dev_get_rtnl(vif->ndev);
2194 if (!in_dev)
fd4377b6 2195 return 0;
c08631c6 2196
2638eb8b 2197 ifa = rtnl_dereference(in_dev->ifa_list);
c08631c6
RM		 2198 memset(&ips, 0, sizeof(ips));
2199
2200 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2201 while (index < MAX_IP_ADDRS && ifa) {
2202 ips[index] = ifa->ifa_local;
2638eb8b 2203 ifa = rtnl_dereference(ifa->ifa_next);
c08631c6
RM		 2204 index++;
2205 }
2206
2207 if (ifa) {
2208 ath6kl_err("total IP addr count is exceeding fw limit\n");
2209 return -EINVAL;
2210 }
2211
2212 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2213 if (ret) {
2214 ath6kl_err("fail to setup ip for arp agent\n");
2215 return ret;
2216 }
2217
fd4377b6
TP		 2218 return ret;
2219}
2220
2221static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2222{
2223 struct ath6kl_vif *first_vif, *vif;
2224 int ret = 0;
2225 u32 filter = 0;
2226 bool connected = false;
2227
2228 /* enter / leave wow suspend on first vif always */
2229 first_vif = ath6kl_vif_first(ar);
bffb7db2 2230 if (WARN_ON(!first_vif) ||
fd4377b6
TP		 2231 !ath6kl_cfg80211_ready(first_vif))
2232 return -EIO;
2233
2234 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2235 return -EINVAL;
2236
2237 /* install filters for each connected vif */
2238 spin_lock_bh(&ar->list_lock);
2239 list_for_each_entry(vif, &ar->vif_list, list) {
2240 if (!test_bit(CONNECTED, &vif->flags) ||
2241 !ath6kl_cfg80211_ready(vif))
2242 continue;
2243 connected = true;
2244
2245 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2246 if (ret)
2247 break;
2248 }
2249 spin_unlock_bh(&ar->list_lock);
2250
2251 if (!connected)
2252 return -ENOTCONN;
2253 else if (ret)
2254 return ret;
2255
2256 ar->state = ATH6KL_STATE_SUSPENDING;
2257
2258 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
6cb3c714
RM		 2259 ATH6KL_WOW_MODE_ENABLE,
2260 filter,
2261 WOW_HOST_REQ_DELAY);
2262 if (ret)
2263 return ret;
2264
fd4377b6 2265 return ath6kl_cfg80211_host_sleep(ar, first_vif);
6cb3c714
RM		 2266}
2267
fd4377b6 2268static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
6cb3c714 2269{
fd4377b6 2270 struct ath6kl *ar = vif->ar;
6cb3c714
RM		 2271 int ret;
2272
ce0dc0cf
RM		 2273 if (vif->nw_type != AP_NETWORK) {
2274 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2275 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2276 if (ret)
2277 return ret;
2278
2279 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2280 vif->listen_intvl_t, 0);
2281 if (ret)
2282 return ret;
2283
2284 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2285 vif->bmiss_time_t, 0);
2286 if (ret)
2287 return ret;
2288 }
2289
6821d4f0
NG		 2290 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2291 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2292 ar->fw_capabilities)) {
6251d801 2293 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
fd4377b6 2294 vif->fw_vif_idx, true);
6251d801
NG		 2295 if (ret)
2296 return ret;
2297 }
2298
390a8c8f
RM		 2299 netif_wake_queue(vif->ndev);
2300
2301 return 0;
6cb3c714
RM		 2302}
2303
fd4377b6
TP		 2304static int ath6kl_wow_resume(struct ath6kl *ar)
2305{
2306 struct ath6kl_vif *vif;
2307 int ret;
2308
2309 vif = ath6kl_vif_first(ar);
bffb7db2 2310 if (WARN_ON(!vif) ||
fd4377b6
TP		 2311 !ath6kl_cfg80211_ready(vif))
2312 return -EIO;
2313
2314 ar->state = ATH6KL_STATE_RESUMING;
2315
2316 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2317 ATH6KL_HOST_MODE_AWAKE);
2318 if (ret) {
2319 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2320 ret);
2321 goto cleanup;
2322 }
2323
2324 spin_lock_bh(&ar->list_lock);
2325 list_for_each_entry(vif, &ar->vif_list, list) {
2326 if (!test_bit(CONNECTED, &vif->flags) ||
2327 !ath6kl_cfg80211_ready(vif))
2328 continue;
2329 ret = ath6kl_wow_resume_vif(vif);
2330 if (ret)
2331 break;
2332 }
2333 spin_unlock_bh(&ar->list_lock);
2334
2335 if (ret)
2336 goto cleanup;
2337
2338 ar->state = ATH6KL_STATE_ON;
2339 return 0;
2340
2341cleanup:
2342 ar->state = ATH6KL_STATE_WOW;
2343 return ret;
2344}
2345
40abc2de
RM		 2346static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2347{
2348 struct ath6kl_vif *vif;
2349 int ret;
2350
2351 vif = ath6kl_vif_first(ar);
2352 if (!vif)
2353 return -EIO;
2354
48f27587
MJ		 2355 if (!test_bit(WMI_READY, &ar->flag)) {
2356 ath6kl_err("deepsleep failed as wmi is not ready\n");
40abc2de 2357 return -EIO;
48f27587 2358 }
40abc2de
RM		 2359
2360 ath6kl_cfg80211_stop_all(ar);
2361
2362 /* Save the current power mode before enabling power save */
2363 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2364
2365 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2366 if (ret)
2367 return ret;
2368
2369 /* Disable WOW mode */
2370 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2371 ATH6KL_WOW_MODE_DISABLE,
2372 0, 0);
2373 if (ret)
2374 return ret;
2375
2376 /* Flush all non control pkts in TX path */
2377 ath6kl_tx_data_cleanup(ar);
2378
2379 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2380 if (ret)
2381 return ret;
2382
2383 return 0;
2384}
2385
2386static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2387{
2388 struct ath6kl_vif *vif;
2389 int ret;
2390
2391 vif = ath6kl_vif_first(ar);
2392
2393 if (!vif)
2394 return -EIO;
2395
2396 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2397 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2398 ar->wmi->saved_pwr_mode);
2399 if (ret)
2400 return ret;
2401 }
2402
2403 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2404 ATH6KL_HOST_MODE_AWAKE);
2405 if (ret)
2406 return ret;
2407
2408 ar->state = ATH6KL_STATE_ON;
2409
2410 /* Reset scan parameter to default values */
2411 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2412 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2413 if (ret)
2414 return ret;
2415
2416 return 0;
2417}
2418
52d81a68 2419int ath6kl_cfg80211_suspend(struct ath6kl *ar,
0f60e9f4
RM		 2420 enum ath6kl_cfg_suspend_mode mode,
2421 struct cfg80211_wowlan *wow)
52d81a68 2422{
3d79499c 2423 struct ath6kl_vif *vif;
390a8c8f 2424 enum ath6kl_state prev_state;
52d81a68
KV		 2425 int ret;
2426
52d81a68 2427 switch (mode) {
d7c44e0b
RM		 2428 case ATH6KL_CFG_SUSPEND_WOW:
2429
2430 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2431
2432 /* Flush all non control pkts in TX path */
2433 ath6kl_tx_data_cleanup(ar);
2434
390a8c8f
RM		 2435 prev_state = ar->state;
2436
d7c44e0b 2437 ret = ath6kl_wow_suspend(ar, wow);
390a8c8f
RM		 2438 if (ret) {
2439 ar->state = prev_state;
d7c44e0b 2440 return ret;
390a8c8f 2441 }
1e9a905d 2442
d7c44e0b
RM		 2443 ar->state = ATH6KL_STATE_WOW;
2444 break;
2445
52d81a68 2446 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
524441e3 2447
40abc2de 2448 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
52d81a68 2449
40abc2de 2450 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
52d81a68 2451 if (ret) {
40abc2de
RM		 2452 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2453 return ret;
52d81a68
KV		 2454 }
2455
76a9fbe2
KV		 2456 ar->state = ATH6KL_STATE_DEEPSLEEP;
2457
52d81a68 2458 break;
b4b2a0b1
KV		 2459
2460 case ATH6KL_CFG_SUSPEND_CUTPOWER:
524441e3 2461
7125f01d 2462 ath6kl_cfg80211_stop_all(ar);
524441e3 2463
b4b2a0b1
KV		 2464 if (ar->state == ATH6KL_STATE_OFF) {
2465 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2466 "suspend hw off, no action for cutpower\n");
2467 break;
2468 }
2469
2470 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2471
2472 ret = ath6kl_init_hw_stop(ar);
2473 if (ret) {
2474 ath6kl_warn("failed to stop hw during suspend: %d\n",
2475 ret);
2476 }
2477
2478 ar->state = ATH6KL_STATE_CUTPOWER;
2479
2480 break;
2481
2482 default:
2483 break;
52d81a68
KV		 2484 }
2485
3d79499c
VN		 2486 list_for_each_entry(vif, &ar->vif_list, list)
2487 ath6kl_cfg80211_scan_complete_event(vif, true);
2488
52d81a68
KV		 2489 return 0;
2490}
d6a434d6 2491EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
52d81a68
KV		 2492
2493int ath6kl_cfg80211_resume(struct ath6kl *ar)
2494{
76a9fbe2
KV		 2495 int ret;
2496
2497 switch (ar->state) {
d7c44e0b
RM		 2498 case ATH6KL_STATE_WOW:
2499 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2500
2501 ret = ath6kl_wow_resume(ar);
2502 if (ret) {
2503 ath6kl_warn("wow mode resume failed: %d\n", ret);
2504 return ret;
2505 }
2506
d7c44e0b
RM		 2507 break;
2508
76a9fbe2 2509 case ATH6KL_STATE_DEEPSLEEP:
40abc2de 2510 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
76a9fbe2 2511
40abc2de
RM		 2512 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2513 if (ret) {
2514 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2515 return ret;
2516 }
76a9fbe2
KV		 2517 break;
2518
b4b2a0b1
KV		 2519 case ATH6KL_STATE_CUTPOWER:
2520 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2521
2522 ret = ath6kl_init_hw_start(ar);
2523 if (ret) {
2524 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2525 return ret;
2526 }
d7c44e0b 2527 break;
b4b2a0b1 2528
76a9fbe2
KV		 2529 default:
2530 break;
52d81a68
KV		 2531 }
2532
2533 return 0;
2534}
d6a434d6 2535EXPORT_SYMBOL(ath6kl_cfg80211_resume);
52d81a68 2536
abcb344b 2537#ifdef CONFIG_PM
52d81a68
KV		 2538
2539/* hif layer decides what suspend mode to use */
2540static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
abcb344b
KV		 2541 struct cfg80211_wowlan *wow)
2542{
2543 struct ath6kl *ar = wiphy_priv(wiphy);
2544
84caf800
VT		 2545 ath6kl_recovery_suspend(ar);
2546
0f60e9f4 2547 return ath6kl_hif_suspend(ar, wow);
abcb344b 2548}
aa6cffc1 2549
52d81a68 2550static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
aa6cffc1
CN		 2551{
2552 struct ath6kl *ar = wiphy_priv(wiphy);
84caf800
VT		 2553 int err;
2554
2555 err = ath6kl_hif_resume(ar);
2556 if (err)
2557 return err;
aa6cffc1 2558
92332993 2559 ath6kl_recovery_resume(ar);
aa6cffc1 2560
84caf800 2561 return 0;
aa6cffc1 2562}
a918fb3c
RM		 2563
2564/*
2565 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2566 * both sdio irq wake up and keep power. The target pulls sdio data line to
2567 * wake up the host when WOW pattern matches. This causes sdio irq handler
2568 * is being called in the host side which internally hits ath6kl's RX path.
2569 *
2570 * Since sdio interrupt is not disabled, RX path executes even before
2571 * the host executes the actual resume operation from PM module.
2572 *
2573 * In the current scenario, WOW resume should happen before start processing
2574 * any data from the target. So It's required to perform WOW resume in RX path.
2575 * Ideally we should perform WOW resume only in the actual platform
2576 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2577 *
2578 * ath6kl_check_wow_status() is called from ath6kl_rx().
2579 */
2580void ath6kl_check_wow_status(struct ath6kl *ar)
2581{
390a8c8f
RM		 2582 if (ar->state == ATH6KL_STATE_SUSPENDING)
2583 return;
2584
a918fb3c
RM		 2585 if (ar->state == ATH6KL_STATE_WOW)
2586 ath6kl_cfg80211_resume(ar);
2587}
2588
2589#else
2590
2591void ath6kl_check_wow_status(struct ath6kl *ar)
2592{
2593}
abcb344b
KV		 2594#endif
2595
57fbcce3 2596static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum nl80211_band band,
df90b369 2597 bool ht_enable)
6a7c9bad 2598{
67b3f129 2599 struct ath6kl_htcap *htcap = &vif->htcap[band];
6a7c9bad 2600
df90b369
VT		 2601 if (htcap->ht_enable == ht_enable)
2602 return 0;
6a7c9bad 2603
df90b369
VT		 2604 if (ht_enable) {
2605 /* Set default ht capabilities */
2606 htcap->ht_enable = true;
57fbcce3 2607 htcap->cap_info = (band == NL80211_BAND_2GHZ) ?
df90b369
VT		 2608 ath6kl_g_htcap : ath6kl_a_htcap;
2609 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2610 } else /* Disable ht */
2611 memset(htcap, 0, sizeof(*htcap));
6a7c9bad 2612
df90b369
VT		 2613 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2614 band, htcap);
6a7c9bad
JM		 2615}
2616
37a2f950
TP		 2617static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2618{
2619 struct wiphy *wiphy = vif->ar->wiphy;
2620 int band, ret = 0;
2621
57fbcce3 2622 for (band = 0; band < NUM_NL80211_BANDS; band++) {
37a2f950
TP		 2623 if (!wiphy->bands[band])
2624 continue;
2625
2626 ret = ath6kl_set_htcap(vif, band,
2627 wiphy->bands[band]->ht_cap.ht_supported);
2628 if (ret)
2629 return ret;
2630 }
2631
2632 return ret;
2633}
2634
8bdfbf40
JM		 2635static bool ath6kl_is_p2p_ie(const u8 *pos)
2636{
2637 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2638 pos[2] == 0x50 && pos[3] == 0x6f &&
2639 pos[4] == 0x9a && pos[5] == 0x09;
2640}
2641
334234b5
VT		 2642static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2643 const u8 *ies, size_t ies_len)
8bdfbf40 2644{
334234b5 2645 struct ath6kl *ar = vif->ar;
8bdfbf40
JM		 2646 const u8 *pos;
2647 u8 *buf = NULL;
2648 size_t len = 0;
2649 int ret;
2650
2651 /*
2652 * Filter out P2P IE(s) since they will be included depending on
2653 * the Probe Request frame in ath6kl_send_go_probe_resp().
2654 */
2655
2656 if (ies && ies_len) {
2657 buf = kmalloc(ies_len, GFP_KERNEL);
2658 if (buf == NULL)
2659 return -ENOMEM;
2660 pos = ies;
2661 while (pos + 1 < ies + ies_len) {
2662 if (pos + 2 + pos[1] > ies + ies_len)
2663 break;
2664 if (!ath6kl_is_p2p_ie(pos)) {
2665 memcpy(buf + len, pos, 2 + pos[1]);
2666 len += 2 + pos[1];
2667 }
2668 pos += 2 + pos[1];
2669 }
2670 }
2671
334234b5
VT		 2672 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2673 WMI_FRAME_PROBE_RESP, buf, len);
8bdfbf40
JM		 2674 kfree(buf);
2675 return ret;
2676}
2677
8860020e
JB		 2678static int ath6kl_set_ies(struct ath6kl_vif *vif,
2679 struct cfg80211_beacon_data *info)
6a7c9bad 2680{
8860020e 2681 struct ath6kl *ar = vif->ar;
6a7c9bad 2682 int res;
6a7c9bad 2683
17a7b16d
AT		 2684 /* this also clears IE in fw if it's not set */
2685 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2686 WMI_FRAME_BEACON,
2687 info->beacon_ies,
2688 info->beacon_ies_len);
2689 if (res)
2690 return res;
2691
2692 /* this also clears IE in fw if it's not set */
2693 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2694 info->proberesp_ies_len);
2695 if (res)
2696 return res;
2697
2698 /* this also clears IE in fw if it's not set */
2699 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2700 WMI_FRAME_ASSOC_RESP,
2701 info->assocresp_ies,
2702 info->assocresp_ies_len);
2703 if (res)
2704 return res;
6a7c9bad 2705
8860020e
JB		 2706 return 0;
2707}
2708
d97c121b
VT		 2709static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2710 u8 *rsn_capab)
2711{
2712 const u8 *rsn_ie;
2713 size_t rsn_ie_len;
2714 u16 cnt;
2715
2716 if (!beacon->tail)
2717 return -EINVAL;
2718
2719 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2720 if (!rsn_ie)
2721 return -EINVAL;
2722
2723 rsn_ie_len = *(rsn_ie + 1);
2724 /* skip element id and length */
2725 rsn_ie += 2;
2726
9e8b16db
VT		 2727 /* skip version */
2728 if (rsn_ie_len < 2)
d97c121b 2729 return -EINVAL;
9e8b16db
VT		 2730 rsn_ie += 2;
2731 rsn_ie_len -= 2;
2732
2733 /* skip group cipher suite */
2734 if (rsn_ie_len < 4)
2735 return 0;
2736 rsn_ie += 4;
2737 rsn_ie_len -= 4;
d97c121b
VT		 2738
2739 /* skip pairwise cipher suite */
2740 if (rsn_ie_len < 2)
9e8b16db 2741 return 0;
798985c6 2742 cnt = get_unaligned_le16(rsn_ie);
d97c121b
VT		 2743 rsn_ie += (2 + cnt * 4);
2744 rsn_ie_len -= (2 + cnt * 4);
2745
2746 /* skip akm suite */
2747 if (rsn_ie_len < 2)
9e8b16db 2748 return 0;
798985c6 2749 cnt = get_unaligned_le16(rsn_ie);
d97c121b
VT		 2750 rsn_ie += (2 + cnt * 4);
2751 rsn_ie_len -= (2 + cnt * 4);
2752
2753 if (rsn_ie_len < 2)
9e8b16db 2754 return 0;
d97c121b
VT		 2755
2756 memcpy(rsn_capab, rsn_ie, 2);
2757
2758 return 0;
2759}
2760
8860020e
JB		 2761static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2762 struct cfg80211_ap_settings *info)
6a7c9bad
JM		 2763{
2764 struct ath6kl *ar = ath6kl_priv(dev);
3450334f 2765 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2766 struct ieee80211_mgmt *mgmt;
67cd22e4 2767 bool hidden = false;
6a7c9bad 2768 u8 *ies;
6a7c9bad
JM		 2769 struct wmi_connect_cmd p;
2770 int res;
be5abaaf 2771 int i, ret;
d97c121b 2772 u16 rsn_capab = 0;
7ac25eac 2773 int inactivity_timeout = 0;
6a7c9bad 2774
8860020e 2775 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
6a7c9bad 2776
990bd915 2777 if (!ath6kl_cfg80211_ready(vif))
6a7c9bad
JM		 2778 return -EIO;
2779
f5938f24 2780 if (vif->next_mode != AP_NETWORK)
6a7c9bad
JM		 2781 return -EOPNOTSUPP;
2782
8860020e 2783 res = ath6kl_set_ies(vif, &info->beacon);
6a7c9bad 2784
9a5b1318
JM		 2785 ar->ap_mode_bkey.valid = false;
2786
eb922e4b
MSS		 2787 ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx,
2788 info->beacon_interval);
2789
2790 if (ret)
2791 ath6kl_warn("Failed to set beacon interval: %d\n", ret);
6a7c9bad 2792
d154f32e
EL		 2793 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2794 info->dtim_period);
2795
2796 /* ignore error, just print a warning and continue normally */
2797 if (ret)
2798 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2799
8860020e 2800 if (info->beacon.head == NULL)
6a7c9bad 2801 return -EINVAL;
8860020e 2802 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
6a7c9bad 2803 ies = mgmt->u.beacon.variable;
8860020e 2804 if (ies > info->beacon.head + info->beacon.head_len)
6a7c9bad 2805 return -EINVAL;
6a7c9bad
JM		 2806
2807 if (info->ssid == NULL)
2808 return -EINVAL;
3450334f
VT		 2809 memcpy(vif->ssid, info->ssid, info->ssid_len);
2810 vif->ssid_len = info->ssid_len;
6a7c9bad 2811 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
67cd22e4
TP		 2812 hidden = true;
2813
2814 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2815 if (res)
2816 return res;
6a7c9bad 2817
be5abaaf
VT		 2818 ret = ath6kl_set_auth_type(vif, info->auth_type);
2819 if (ret)
2820 return ret;
6a7c9bad
JM		 2821
2822 memset(&p, 0, sizeof(p));
2823
2824 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2825 switch (info->crypto.akm_suites[i]) {
2826 case WLAN_AKM_SUITE_8021X:
2827 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2828 p.auth_mode |= WPA_AUTH;
2829 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2830 p.auth_mode |= WPA2_AUTH;
2831 break;
2832 case WLAN_AKM_SUITE_PSK:
2833 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2834 p.auth_mode |= WPA_PSK_AUTH;
2835 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2836 p.auth_mode |= WPA2_PSK_AUTH;
2837 break;
2838 }
2839 }
2840 if (p.auth_mode == 0)
2841 p.auth_mode = NONE_AUTH;
3450334f 2842 vif->auth_mode = p.auth_mode;
6a7c9bad
JM		 2843
2844 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2845 switch (info->crypto.ciphers_pairwise[i]) {
2846 case WLAN_CIPHER_SUITE_WEP40:
2847 case WLAN_CIPHER_SUITE_WEP104:
2848 p.prwise_crypto_type |= WEP_CRYPT;
2849 break;
2850 case WLAN_CIPHER_SUITE_TKIP:
2851 p.prwise_crypto_type |= TKIP_CRYPT;
2852 break;
2853 case WLAN_CIPHER_SUITE_CCMP:
2854 p.prwise_crypto_type |= AES_CRYPT;
2855 break;
b8214df1
DS		 2856 case WLAN_CIPHER_SUITE_SMS4:
2857 p.prwise_crypto_type |= WAPI_CRYPT;
2858 break;
6a7c9bad
JM		 2859 }
2860 }
229ed6b5 2861 if (p.prwise_crypto_type == 0) {
6a7c9bad 2862 p.prwise_crypto_type = NONE_CRYPT;
240d2799 2863 ath6kl_set_cipher(vif, 0, true);
a5d8f9df 2864 } else if (info->crypto.n_ciphers_pairwise == 1) {
240d2799 2865 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
a5d8f9df 2866 }
6a7c9bad
JM		 2867
2868 switch (info->crypto.cipher_group) {
2869 case WLAN_CIPHER_SUITE_WEP40:
2870 case WLAN_CIPHER_SUITE_WEP104:
2871 p.grp_crypto_type = WEP_CRYPT;
2872 break;
2873 case WLAN_CIPHER_SUITE_TKIP:
2874 p.grp_crypto_type = TKIP_CRYPT;
2875 break;
2876 case WLAN_CIPHER_SUITE_CCMP:
2877 p.grp_crypto_type = AES_CRYPT;
2878 break;
b8214df1
DS		 2879 case WLAN_CIPHER_SUITE_SMS4:
2880 p.grp_crypto_type = WAPI_CRYPT;
2881 break;
6a7c9bad
JM		 2882 default:
2883 p.grp_crypto_type = NONE_CRYPT;
2884 break;
2885 }
240d2799 2886 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
6a7c9bad
JM		 2887
2888 p.nw_type = AP_NETWORK;
f5938f24 2889 vif->nw_type = vif->next_mode;
6a7c9bad 2890
3450334f
VT		 2891 p.ssid_len = vif->ssid_len;
2892 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2893 p.dot11_auth_mode = vif->dot11_auth_mode;
683b6d3b 2894 p.ch = cpu_to_le16(info->chandef.chan->center_freq);
6a7c9bad 2895
c1762a3f
TP		 2896 /* Enable uAPSD support by default */
2897 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2898 if (res < 0)
2899 return res;
2900
3ca9d1fc
AT		 2901 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2902 p.nw_subtype = SUBTYPE_P2PGO;
2903 } else {
2904 /*
2905 * Due to firmware limitation, it is not possible to
2906 * do P2P mgmt operations in AP mode
2907 */
2908 p.nw_subtype = SUBTYPE_NONE;
2909 }
2910
03bdeb0d 2911 if (info->inactivity_timeout) {
7ac25eac
MSS		 2912 inactivity_timeout = info->inactivity_timeout;
2913
eba95bce
KV		 2914 if (test_bit(ATH6KL_FW_CAPABILITY_AP_INACTIVITY_MINS,
2915 ar->fw_capabilities))
7ac25eac
MSS		 2916 inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
2917 60);
2918
03bdeb0d 2919 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
7ac25eac 2920 inactivity_timeout);
03bdeb0d
VT		 2921 if (res < 0)
2922 return res;
2923 }
2924
683b6d3b
JB		 2925 if (ath6kl_set_htcap(vif, info->chandef.chan->band,
2926 cfg80211_get_chandef_type(&info->chandef)
2927 != NL80211_CHAN_NO_HT))
df90b369
VT		 2928 return -EIO;
2929
d97c121b
VT		 2930 /*
2931 * Get the PTKSA replay counter in the RSN IE. Supplicant
2932 * will use the RSN IE in M3 message and firmware has to
2933 * advertise the same in beacon/probe response. Send
2934 * the complete RSN IE capability field to firmware
2935 */
2936 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2937 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2938 ar->fw_capabilities)) {
2939 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2940 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2941 (const u8 *) &rsn_capab,
2942 sizeof(rsn_capab));
f21243a8 2943 vif->rsn_capab = rsn_capab;
d97c121b
VT		 2944 if (res < 0)
2945 return res;
2946 }
2947
c4f7863e 2948 memcpy(&vif->profile, &p, sizeof(p));
334234b5 2949 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
9a5b1318
JM		 2950 if (res < 0)
2951 return res;
2952
2953 return 0;
6a7c9bad
JM		 2954}
2955
8860020e 2956static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
bb55441c 2957 struct cfg80211_ap_update *params)
6a7c9bad 2958{
8860020e 2959 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2960
8860020e
JB		 2961 if (!ath6kl_cfg80211_ready(vif))
2962 return -EIO;
2963
2964 if (vif->next_mode != AP_NETWORK)
2965 return -EOPNOTSUPP;
2966
66f85d57 2967 return ath6kl_set_ies(vif, &params->beacon);
6a7c9bad
JM		 2968}
2969
7b0a0e3c
JB		 2970static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev,
2971 unsigned int link_id)
6a7c9bad
JM		 2972{
2973 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 2974 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2975
f5938f24 2976 if (vif->nw_type != AP_NETWORK)
6a7c9bad 2977 return -EOPNOTSUPP;
59c98449 2978 if (!test_bit(CONNECTED, &vif->flags))
6a7c9bad
JM		 2979 return -ENOTCONN;
2980
334234b5 2981 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
59c98449 2982 clear_bit(CONNECTED, &vif->flags);
76b817f6 2983 netif_carrier_off(vif->ndev);
6a7c9bad 2984
df90b369 2985 /* Restore ht setting in firmware */
37a2f950 2986 return ath6kl_restore_htcap(vif);
6a7c9bad
JM		 2987}
2988
33e5308d
JM		 2989static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2990
2991static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 2992 struct station_del_parameters *params)
33e5308d
JM		 2993{
2994 struct ath6kl *ar = ath6kl_priv(dev);
2995 struct ath6kl_vif *vif = netdev_priv(dev);
89c771e5 2996 const u8 *addr = params->mac ? params->mac : bcast_addr;
33e5308d
JM		 2997
2998 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2999 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
3000}
3001
23875136 3002static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162
JB		 3003 const u8 *mac,
3004 struct station_parameters *params)
23875136
JM		 3005{
3006 struct ath6kl *ar = ath6kl_priv(dev);
f5938f24 3007 struct ath6kl_vif *vif = netdev_priv(dev);
77ee7c89 3008 int err;
23875136 3009
f5938f24 3010 if (vif->nw_type != AP_NETWORK)
23875136
JM		 3011 return -EOPNOTSUPP;
3012
77ee7c89
JB		 3013 err = cfg80211_check_station_change(wiphy, params,
3014 CFG80211_STA_AP_MLME_CLIENT);
3015 if (err)
3016 return err;
23875136
JM		 3017
3018 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
334234b5
VT		 3019 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3020 WMI_AP_MLME_AUTHORIZE, mac, 0);
3021 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3022 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
23875136
JM		 3023}
3024
63fa1e0c 3025static int ath6kl_remain_on_channel(struct wiphy *wiphy,
71bbc994 3026 struct wireless_dev *wdev,
63fa1e0c 3027 struct ieee80211_channel *chan,
63fa1e0c
JM		 3028 unsigned int duration,
3029 u64 *cookie)
3030{
71bbc994
JB		 3031 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3032 struct ath6kl *ar = ath6kl_priv(vif->ndev);
1052261e 3033 u32 id;
63fa1e0c
JM		 3034
3035 /* TODO: if already pending or ongoing remain-on-channel,
3036 * return -EBUSY */
1052261e
JM		 3037 id = ++vif->last_roc_id;
3038 if (id == 0) {
3039 /* Do not use 0 as the cookie value */
3040 id = ++vif->last_roc_id;
3041 }
3042 *cookie = id;
63fa1e0c 3043
334234b5
VT		 3044 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3045 chan->center_freq, duration);
63fa1e0c
JM		 3046}
3047
3048static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 3049 struct wireless_dev *wdev,
63fa1e0c
JM		 3050 u64 cookie)
3051{
71bbc994
JB		 3052 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3053 struct ath6kl *ar = ath6kl_priv(vif->ndev);
63fa1e0c 3054
1052261e 3055 if (cookie != vif->last_roc_id)
63fa1e0c 3056 return -ENOENT;
1052261e 3057 vif->last_cancel_roc_id = cookie;
63fa1e0c 3058
334234b5 3059 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
63fa1e0c
JM		 3060}
3061
334234b5
VT		 3062static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3063 const u8 *buf, size_t len,
3064 unsigned int freq)
8bdfbf40 3065{
334234b5 3066 struct ath6kl *ar = vif->ar;
8bdfbf40
JM		 3067 const u8 *pos;
3068 u8 *p2p;
3069 int p2p_len;
3070 int ret;
3071 const struct ieee80211_mgmt *mgmt;
3072
3073 mgmt = (const struct ieee80211_mgmt *) buf;
3074
3075 /* Include P2P IE(s) from the frame generated in user space. */
3076
3077 p2p = kmalloc(len, GFP_KERNEL);
3078 if (p2p == NULL)
3079 return -ENOMEM;
3080 p2p_len = 0;
3081
3082 pos = mgmt->u.probe_resp.variable;
3083 while (pos + 1 < buf + len) {
3084 if (pos + 2 + pos[1] > buf + len)
3085 break;
3086 if (ath6kl_is_p2p_ie(pos)) {
3087 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3088 p2p_len += 2 + pos[1];
3089 }
3090 pos += 2 + pos[1];
3091 }
3092
334234b5
VT		 3093 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3094 mgmt->da, p2p, p2p_len);
8bdfbf40
JM		 3095 kfree(p2p);
3096 return ret;
3097}
3098
d0ff7383
NG		 3099static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3100 u32 id,
3101 u32 freq,
3102 u32 wait,
3103 const u8 *buf,
3104 size_t len,
3105 bool *more_data,
3106 bool no_cck)
3107{
3108 struct ieee80211_mgmt *mgmt;
3109 struct ath6kl_sta *conn;
3110 bool is_psq_empty = false;
3111 struct ath6kl_mgmt_buff *mgmt_buf;
3112 size_t mgmt_buf_size;
3113 struct ath6kl *ar = vif->ar;
3114
3115 mgmt = (struct ieee80211_mgmt *) buf;
3116 if (is_multicast_ether_addr(mgmt->da))
3117 return false;
3118
3119 conn = ath6kl_find_sta(vif, mgmt->da);
3120 if (!conn)
3121 return false;
3122
3123 if (conn->sta_flags & STA_PS_SLEEP) {
3124 if (!(conn->sta_flags & STA_PS_POLLED)) {
3125 /* Queue the frames if the STA is sleeping */
3126 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3127 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3128 if (!mgmt_buf)
3129 return false;
3130
3131 INIT_LIST_HEAD(&mgmt_buf->list);
3132 mgmt_buf->id = id;
3133 mgmt_buf->freq = freq;
3134 mgmt_buf->wait = wait;
3135 mgmt_buf->len = len;
3136 mgmt_buf->no_cck = no_cck;
3137 memcpy(mgmt_buf->buf, buf, len);
3138 spin_lock_bh(&conn->psq_lock);
3139 is_psq_empty = skb_queue_empty(&conn->psq) &&
3140 (conn->mgmt_psq_len == 0);
3141 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3142 conn->mgmt_psq_len++;
3143 spin_unlock_bh(&conn->psq_lock);
3144
3145 /*
3146 * If this is the first pkt getting queued
3147 * for this STA, update the PVB for this
3148 * STA.
3149 */
3150 if (is_psq_empty)
3151 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3152 conn->aid, 1);
3153 return true;
3154 }
3155
3156 /*
3157 * This tx is because of a PsPoll.
3158 * Determine if MoreData bit has to be set.
3159 */
3160 spin_lock_bh(&conn->psq_lock);
3161 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3162 *more_data = true;
3163 spin_unlock_bh(&conn->psq_lock);
3164 }
3165
3166 return false;
3167}
3168
c86e4f44
AT		 3169/* Check if SSID length is greater than DIRECT- */
3170static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3171{
3172 const struct ieee80211_mgmt *mgmt;
3173 mgmt = (const struct ieee80211_mgmt *) buf;
3174
3175 /* variable[1] contains the SSID tag length */
3176 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3177 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3178 return true;
3179 }
3180
3181 return false;
3182}
3183
71bbc994 3184static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 3185 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
8a6c8060 3186{
71bbc994
JB		 3187 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3188 struct ath6kl *ar = ath6kl_priv(vif->ndev);
b176e629
AO		 3189 struct ieee80211_channel *chan = params->chan;
3190 const u8 *buf = params->buf;
3191 size_t len = params->len;
3192 unsigned int wait = params->wait;
3193 bool no_cck = params->no_cck;
bfd634d0 3194 u32 id, freq;
8bdfbf40 3195 const struct ieee80211_mgmt *mgmt;
d0ff7383 3196 bool more_data, queued;
8bdfbf40 3197
bfd634d0
AQ		 3198 /* default to the current channel, but use the one specified as argument
3199 * if any
3200 */
3201 freq = vif->ch_hint;
3202 if (chan)
3203 freq = chan->center_freq;
3204
3205 /* never send freq zero to the firmware */
3206 if (WARN_ON(freq == 0))
3207 return -EINVAL;
3208
8bdfbf40 3209 mgmt = (const struct ieee80211_mgmt *) buf;
c86e4f44
AT		 3210 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3211 ieee80211_is_probe_resp(mgmt->frame_control) &&
3212 ath6kl_is_p2p_go_ssid(buf, len)) {
8bdfbf40 3213 /*
c86e4f44 3214 * Send Probe Response frame in GO mode using a separate WMI
8bdfbf40
JM		 3215 * command to allow the target to fill in the generic IEs.
3216 */
3217 *cookie = 0; /* TX status not supported */
bfd634d0 3218 return ath6kl_send_go_probe_resp(vif, buf, len, freq);
8bdfbf40 3219 }
8a6c8060 3220
cf5333d7 3221 id = vif->send_action_id++;
8a6c8060
JM		 3222 if (id == 0) {
3223 /*
3224 * 0 is a reserved value in the WMI command and shall not be
3225 * used for the command.
3226 */
cf5333d7 3227 id = vif->send_action_id++;
8a6c8060
JM		 3228 }
3229
3230 *cookie = id;
3ca9d1fc 3231
d0ff7383
NG		 3232 /* AP mode Power saving processing */
3233 if (vif->nw_type == AP_NETWORK) {
bfd634d0
AQ		 3234 queued = ath6kl_mgmt_powersave_ap(vif, id, freq, wait, buf, len,
3235 &more_data, no_cck);
d0ff7383
NG		 3236 if (queued)
3237 return 0;
3ca9d1fc 3238 }
d0ff7383 3239
bfd634d0
AQ		 3240 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id, freq,
3241 wait, buf, len, no_cck);
8a6c8060
JM		 3242}
3243
9c2e90ff
BG		 3244static int ath6kl_get_antenna(struct wiphy *wiphy,
3245 u32 *tx_ant, u32 *rx_ant)
3246{
3247 struct ath6kl *ar = wiphy_priv(wiphy);
3248 *tx_ant = ar->hw.tx_ant;
3249 *rx_ant = ar->hw.rx_ant;
3250 return 0;
3251}
3252
6cd536fe
JB		 3253static void ath6kl_update_mgmt_frame_registrations(struct wiphy *wiphy,
3254 struct wireless_dev *wdev,
3255 struct mgmt_frame_regs *upd)
ae32c30a 3256{
71bbc994 3257 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
ae32c30a 3258
6cd536fe
JB		 3259 /*
3260 * FIXME: send WMI_PROBE_REQ_REPORT_CMD here instead of hardcoding
3261 * the reporting in the target all the time, this callback
3262 * *is* allowed to sleep after all.
3263 */
3264 vif->probe_req_report =
3265 upd->interface_stypes & BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
ae32c30a
JM		 3266}
3267
10509f90
KV		 3268static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3269 struct net_device *dev,
3270 struct cfg80211_sched_scan_request *request)
3271{
3272 struct ath6kl *ar = ath6kl_priv(dev);
3273 struct ath6kl_vif *vif = netdev_priv(dev);
3274 u16 interval;
85b20fc2 3275 int ret, rssi_thold;
ea73cbce
JB		 3276 int n_match_sets = request->n_match_sets;
3277
3278 /*
3279 * If there's a matchset w/o an SSID, then assume it's just for
3280 * the RSSI (nothing else is currently supported) and ignore it.
3281 * The device only supports a global RSSI filter that we set below.
3282 */
3283 if (n_match_sets == 1 && !request->match_sets[0].ssid.ssid_len)
3284 n_match_sets = 0;
10509f90
KV		 3285
3286 if (ar->state != ATH6KL_STATE_ON)
3287 return -EIO;
3288
3289 if (vif->sme_state != SME_DISCONNECTED)
3290 return -EBUSY;
3291
b4d13d3b
KV		 3292 ath6kl_cfg80211_scan_complete_event(vif, true);
3293
3b8ffc6a 3294 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
dd45b759
NS		 3295 request->n_ssids,
3296 request->match_sets,
ea73cbce 3297 n_match_sets);
3b8ffc6a
JM		 3298 if (ret < 0)
3299 return ret;
10509f90 3300
ea73cbce 3301 if (!n_match_sets) {
dd45b759
NS		 3302 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3303 ALL_BSS_FILTER, 0);
3304 if (ret < 0)
3305 return ret;
3306 } else {
75596eab
JC		 3307 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3308 MATCHED_SSID_FILTER, 0);
dd45b759
NS		 3309 if (ret < 0)
3310 return ret;
3311 }
3312
85b20fc2
TP		 3313 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3314 ar->fw_capabilities)) {
ea73cbce 3315 if (request->min_rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
85b20fc2 3316 rssi_thold = 0;
ea73cbce 3317 else if (request->min_rssi_thold < -127)
85b20fc2
TP		 3318 rssi_thold = -127;
3319 else
ea73cbce 3320 rssi_thold = request->min_rssi_thold;
85b20fc2
TP		 3321
3322 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3323 rssi_thold);
3324 if (ret) {
3325 ath6kl_err("failed to set RSSI threshold for scan\n");
3326 return ret;
3327 }
3328 }
3329
10509f90 3330 /* fw uses seconds, also make sure that it's >0 */
3b06d277 3331 interval = max_t(u16, 1, request->scan_plans[0].interval);
10509f90
KV		 3332
3333 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3334 interval, interval,
d472b5e4 3335 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
10509f90 3336
10509f90
KV		 3337 /* this also clears IE in fw if it's not set */
3338 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3339 WMI_FRAME_PROBE_REQ,
3340 request->ie, request->ie_len);
3341 if (ret) {
f1ff32e8 3342 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
10509f90
KV		 3343 ret);
3344 return ret;
3345 }
3346
b1f47e3a
TP		 3347 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3348 if (ret)
10509f90 3349 return ret;
10509f90 3350
b1f47e3a 3351 set_bit(SCHED_SCANNING, &vif->flags);
10509f90 3352
b1f47e3a 3353 return 0;
10509f90
KV		 3354}
3355
3356static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3a3ecf1d 3357 struct net_device *dev, u64 reqid)
10509f90
KV		 3358{
3359 struct ath6kl_vif *vif = netdev_priv(dev);
3360 bool stopped;
3361
3362 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3363
3364 if (!stopped)
3365 return -EIO;
3366
3367 return 0;
3368}
3369
06e360ac
BS		 3370static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3371 struct net_device *dev,
7b0a0e3c 3372 unsigned int link_id,
06e360ac
BS		 3373 const u8 *addr,
3374 const struct cfg80211_bitrate_mask *mask)
3375{
3376 struct ath6kl *ar = ath6kl_priv(dev);
3377 struct ath6kl_vif *vif = netdev_priv(dev);
3378
3379 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3380 mask);
3381}
3382
279b2862
TP		 3383static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3384 struct net_device *dev,
3385 u32 rate, u32 pkts, u32 intvl)
3386{
3387 struct ath6kl *ar = ath6kl_priv(dev);
3388 struct ath6kl_vif *vif = netdev_priv(dev);
3389
3390 if (vif->nw_type != INFRA_NETWORK ||
3391 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3392 return -EOPNOTSUPP;
3393
3394 if (vif->sme_state != SME_CONNECTED)
3395 return -ENOTCONN;
3396
3397 /* save this since the firmware won't report the interval */
3398 vif->txe_intvl = intvl;
3399
3400 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3401 rate, pkts, intvl);
3402}
3403
f80574ae
JM		 3404static const struct ieee80211_txrx_stypes
3405ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3406 [NL80211_IFTYPE_STATION] = {
3407 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3408 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3409 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3410 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3411 },
ba1f6fe3
JM		 3412 [NL80211_IFTYPE_AP] = {
3413 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3414 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3415 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3416 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3417 },
f80574ae
JM		 3418 [NL80211_IFTYPE_P2P_CLIENT] = {
3419 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3420 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3421 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3422 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3423 },
3424 [NL80211_IFTYPE_P2P_GO] = {
3425 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3426 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3427 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3428 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3429 },
3430};
3431
bdcd8170 3432static struct cfg80211_ops ath6kl_cfg80211_ops = {
55055976
VT		 3433 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3434 .del_virtual_intf = ath6kl_cfg80211_del_iface,
bdcd8170
KV		 3435 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3436 .scan = ath6kl_cfg80211_scan,
3437 .connect = ath6kl_cfg80211_connect,
3438 .disconnect = ath6kl_cfg80211_disconnect,
3439 .add_key = ath6kl_cfg80211_add_key,
3440 .get_key = ath6kl_cfg80211_get_key,
3441 .del_key = ath6kl_cfg80211_del_key,
3442 .set_default_key = ath6kl_cfg80211_set_default_key,
3443 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3444 .set_tx_power = ath6kl_cfg80211_set_txpower,
3445 .get_tx_power = ath6kl_cfg80211_get_txpower,
3446 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3447 .join_ibss = ath6kl_cfg80211_join_ibss,
3448 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3449 .get_station = ath6kl_get_station,
3450 .set_pmksa = ath6kl_set_pmksa,
3451 .del_pmksa = ath6kl_del_pmksa,
3452 .flush_pmksa = ath6kl_flush_pmksa,
003353b0 3453 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
abcb344b 3454#ifdef CONFIG_PM
52d81a68
KV		 3455 .suspend = __ath6kl_cfg80211_suspend,
3456 .resume = __ath6kl_cfg80211_resume,
abcb344b 3457#endif
8860020e
JB		 3458 .start_ap = ath6kl_start_ap,
3459 .change_beacon = ath6kl_change_beacon,
3460 .stop_ap = ath6kl_stop_ap,
33e5308d 3461 .del_station = ath6kl_del_station,
23875136 3462 .change_station = ath6kl_change_station,
63fa1e0c
JM		 3463 .remain_on_channel = ath6kl_remain_on_channel,
3464 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
8a6c8060 3465 .mgmt_tx = ath6kl_mgmt_tx,
6cd536fe
JB		 3466 .update_mgmt_frame_registrations =
3467 ath6kl_update_mgmt_frame_registrations,
9c2e90ff 3468 .get_antenna = ath6kl_get_antenna,
10509f90
KV		 3469 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3470 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
06e360ac 3471 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
279b2862 3472 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
bdcd8170
KV		 3473};
3474
7125f01d 3475void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
ec4b7f60 3476{
10509f90
KV		 3477 ath6kl_cfg80211_sscan_disable(vif);
3478
ec4b7f60 3479 switch (vif->sme_state) {
c97a31b0
KV		 3480 case SME_DISCONNECTED:
3481 break;
ec4b7f60
KV		 3482 case SME_CONNECTING:
3483 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3484 NULL, 0,
3485 WLAN_STATUS_UNSPECIFIED_FAILURE,
3486 GFP_KERNEL);
3487 break;
3488 case SME_CONNECTED:
80279fb7 3489 cfg80211_disconnected(vif->ndev, 0, NULL, 0, true, GFP_KERNEL);
ec4b7f60
KV		 3490 break;
3491 }
3492
58109df6
VT		 3493 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3494 (test_bit(CONNECTED, &vif->flags) ||
3495 test_bit(CONNECT_PEND, &vif->flags)))
7125f01d 3496 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
ec4b7f60
KV		 3497
3498 vif->sme_state = SME_DISCONNECTED;
1f405255
KV		 3499 clear_bit(CONNECTED, &vif->flags);
3500 clear_bit(CONNECT_PEND, &vif->flags);
ec4b7f60 3501
84caf800
VT		 3502 /* Stop netdev queues, needed during recovery */
3503 netif_stop_queue(vif->ndev);
3504 netif_carrier_off(vif->ndev);
3505
ec4b7f60 3506 /* disable scanning */
58109df6
VT		 3507 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3508 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
7125f01d
KV		 3509 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3510 ath6kl_warn("failed to disable scan during stop\n");
ec4b7f60
KV		 3511
3512 ath6kl_cfg80211_scan_complete_event(vif, true);
3513}
3514
7125f01d
KV		 3515void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3516{
3517 struct ath6kl_vif *vif;
3518
3519 vif = ath6kl_vif_first(ar);
84caf800 3520 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
7125f01d
KV		 3521 /* save the current power mode before enabling power save */
3522 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3523
3524 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
cdeb8602 3525 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
7125f01d
KV		 3526 return;
3527 }
3528
3529 /*
3530 * FIXME: we should take ar->list_lock to protect changes in the
3531 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3532 * sleeps.
3533 */
3534 list_for_each_entry(vif, &ar->vif_list, list)
3535 ath6kl_cfg80211_stop(vif);
3536}
3537
0c0280bd
LR		 3538static void ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3539 struct regulatory_request *request)
84841ba2
KV		 3540{
3541 struct ath6kl *ar = wiphy_priv(wiphy);
57fbcce3 3542 u32 rates[NUM_NL80211_BANDS];
84841ba2
KV		 3543 int ret, i;
3544
3545 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
ff7e6867 3546 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
84841ba2
KV		 3547 request->alpha2[0], request->alpha2[1],
3548 request->intersect ? " intersect" : "",
3549 request->processed ? " processed" : "",
ff7e6867
KV		 3550 request->initiator, request->user_reg_hint_type);
3551
ff7e6867 3552 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
0c0280bd 3553 return;
84841ba2
KV		 3554
3555 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3556 if (ret) {
3557 ath6kl_err("failed to set regdomain: %d\n", ret);
0c0280bd 3558 return;
84841ba2
KV		 3559 }
3560
3561 /*
3562 * Firmware will apply the regdomain change only after a scan is
3563 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3564 * changed.
3565 */
3566
57fbcce3 3567 for (i = 0; i < NUM_NL80211_BANDS; i++)
84841ba2
KV		 3568 if (wiphy->bands[i])
3569 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3570
3571
3572 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3573 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3574 0, NULL, false, rates);
3575 if (ret) {
3576 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3577 ret);
0c0280bd 3578 return;
84841ba2 3579 }
84841ba2
KV		 3580}
3581
c25889e8 3582static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
bdcd8170 3583{
7baef812 3584 vif->aggr_cntxt = aggr_init(vif);
2132c69c 3585 if (!vif->aggr_cntxt) {
8dafb70e
VT		 3586 ath6kl_err("failed to initialize aggr\n");
3587 return -ENOMEM;
3588 }
3589
7ac76764
KC		 3590 timer_setup(&vif->disconnect_timer, disconnect_timer_handler, 0);
3591 timer_setup(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer, 0);
10509f90 3592
de3ad713 3593 set_bit(WMM_ENABLED, &vif->flags);
478ac027 3594 spin_lock_init(&vif->if_lock);
bdcd8170 3595
80abaf9b
VT		 3596 INIT_LIST_HEAD(&vif->mc_filter);
3597
8dafb70e
VT		 3598 return 0;
3599}
3600
355b3a98
MSS		 3601void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3602{
3603 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3604 bool discon_issued;
3605
3606 netif_stop_queue(vif->ndev);
3607
3608 clear_bit(WLAN_ENABLED, &vif->flags);
3609
3610 if (wmi_ready) {
3611 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3612 test_bit(CONNECT_PEND, &vif->flags);
3613 ath6kl_disconnect(vif);
3614 del_timer(&vif->disconnect_timer);
3615
3616 if (discon_issued)
3617 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3618 (vif->nw_type & AP_NETWORK) ?
3619 bcast_mac : vif->bssid,
3620 0, NULL, 0);
3621 }
3622
3623 if (vif->scan_req) {
1d76250b
AS		 3624 struct cfg80211_scan_info info = {
3625 .aborted = true,
3626 };
3627
3628 cfg80211_scan_done(vif->scan_req, &info);
355b3a98
MSS		 3629 vif->scan_req = NULL;
3630 }
3631
3632 /* need to clean up enhanced bmiss detection fw state */
3633 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3634}
3635
c25889e8 3636void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
8dafb70e 3637{
55055976 3638 struct ath6kl *ar = vif->ar;
80abaf9b 3639 struct ath6kl_mc_filter *mc_filter, *tmp;
55055976 3640
2132c69c 3641 aggr_module_destroy(vif->aggr_cntxt);
8dafb70e 3642
55055976
VT		 3643 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3644
3645 if (vif->nw_type == ADHOC_NETWORK)
3646 ar->ibss_if_active = false;
3647
80abaf9b
VT		 3648 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3649 list_del(&mc_filter->list);
3650 kfree(mc_filter);
3651 }
3652
2fe8ef10 3653 cfg80211_unregister_netdevice(vif->ndev);
55055976
VT		 3654
3655 ar->num_vif--;
8dafb70e
VT		 3656}
3657
13eff531
BG		 3658static const char ath6kl_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
3659 /* Common stats names used by many drivers. */
3660 "tx_pkts_nic", "tx_bytes_nic", "rx_pkts_nic", "rx_bytes_nic",
3661
3662 /* TX stats. */
3663 "d_tx_ucast_pkts", "d_tx_bcast_pkts",
3664 "d_tx_ucast_bytes", "d_tx_bcast_bytes",
3665 "d_tx_rts_ok", "d_tx_error", "d_tx_fail",
3666 "d_tx_retry", "d_tx_multi_retry", "d_tx_rts_fail",
3667 "d_tx_tkip_counter_measures",
3668
3669 /* RX Stats. */
3670 "d_rx_ucast_pkts", "d_rx_ucast_rate", "d_rx_bcast_pkts",
3671 "d_rx_ucast_bytes", "d_rx_bcast_bytes", "d_rx_frag_pkt",
3672 "d_rx_error", "d_rx_crc_err", "d_rx_keycache_miss",
3673 "d_rx_decrypt_crc_err", "d_rx_duplicate_frames",
3674 "d_rx_mic_err", "d_rx_tkip_format_err", "d_rx_ccmp_format_err",
3675 "d_rx_ccmp_replay_err",
3676
3677 /* Misc stats. */
3678 "d_beacon_miss", "d_num_connects", "d_num_disconnects",
3679 "d_beacon_avg_rssi", "d_arp_received", "d_arp_matched",
3680 "d_arp_replied"
3681};
3682
3683#define ATH6KL_STATS_LEN ARRAY_SIZE(ath6kl_gstrings_sta_stats)
3684
3685static int ath6kl_get_sset_count(struct net_device *dev, int sset)
3686{
3687 int rv = 0;
3688
3689 if (sset == ETH_SS_STATS)
3690 rv += ATH6KL_STATS_LEN;
3691
3692 if (rv == 0)
3693 return -EOPNOTSUPP;
3694 return rv;
3695}
3696
3697static void ath6kl_get_stats(struct net_device *dev,
3698 struct ethtool_stats *stats,
3699 u64 *data)
3700{
3701 struct ath6kl_vif *vif = netdev_priv(dev);
3702 struct ath6kl *ar = vif->ar;
3703 int i = 0;
3704 struct target_stats *tgt_stats;
3705
3706 memset(data, 0, sizeof(u64) * ATH6KL_STATS_LEN);
3707
3708 ath6kl_read_tgt_stats(ar, vif);
3709
3710 tgt_stats = &vif->target_stats;
3711
3712 data[i++] = tgt_stats->tx_ucast_pkt + tgt_stats->tx_bcast_pkt;
3713 data[i++] = tgt_stats->tx_ucast_byte + tgt_stats->tx_bcast_byte;
3714 data[i++] = tgt_stats->rx_ucast_pkt + tgt_stats->rx_bcast_pkt;
3715 data[i++] = tgt_stats->rx_ucast_byte + tgt_stats->rx_bcast_byte;
3716
3717 data[i++] = tgt_stats->tx_ucast_pkt;
3718 data[i++] = tgt_stats->tx_bcast_pkt;
3719 data[i++] = tgt_stats->tx_ucast_byte;
3720 data[i++] = tgt_stats->tx_bcast_byte;
3721 data[i++] = tgt_stats->tx_rts_success_cnt;
3722 data[i++] = tgt_stats->tx_err;
3723 data[i++] = tgt_stats->tx_fail_cnt;
3724 data[i++] = tgt_stats->tx_retry_cnt;
3725 data[i++] = tgt_stats->tx_mult_retry_cnt;
3726 data[i++] = tgt_stats->tx_rts_fail_cnt;
3727 data[i++] = tgt_stats->tkip_cnter_measures_invoked;
3728
3729 data[i++] = tgt_stats->rx_ucast_pkt;
3730 data[i++] = tgt_stats->rx_ucast_rate;
3731 data[i++] = tgt_stats->rx_bcast_pkt;
3732 data[i++] = tgt_stats->rx_ucast_byte;
3733 data[i++] = tgt_stats->rx_bcast_byte;
3734 data[i++] = tgt_stats->rx_frgment_pkt;
3735 data[i++] = tgt_stats->rx_err;
3736 data[i++] = tgt_stats->rx_crc_err;
3737 data[i++] = tgt_stats->rx_key_cache_miss;
3738 data[i++] = tgt_stats->rx_decrypt_err;
3739 data[i++] = tgt_stats->rx_dupl_frame;
3740 data[i++] = tgt_stats->tkip_local_mic_fail;
3741 data[i++] = tgt_stats->tkip_fmt_err;
3742 data[i++] = tgt_stats->ccmp_fmt_err;
3743 data[i++] = tgt_stats->ccmp_replays;
3744
3745 data[i++] = tgt_stats->cs_bmiss_cnt;
3746 data[i++] = tgt_stats->cs_connect_cnt;
3747 data[i++] = tgt_stats->cs_discon_cnt;
3748 data[i++] = tgt_stats->cs_ave_beacon_rssi;
3749 data[i++] = tgt_stats->arp_received;
3750 data[i++] = tgt_stats->arp_matched;
3751 data[i++] = tgt_stats->arp_replied;
3752
3753 if (i != ATH6KL_STATS_LEN) {
3754 WARN_ON_ONCE(1);
3755 ath6kl_err("ethtool stats error, i: %d STATS_LEN: %d\n",
3756 i, (int)ATH6KL_STATS_LEN);
3757 }
3758}
3759
3760/* These stats are per NIC, not really per vdev, so we just ignore dev. */
3761static void ath6kl_get_strings(struct net_device *dev, u32 sset, u8 *data)
3762{
3763 int sz_sta_stats = 0;
3764
3765 if (sset == ETH_SS_STATS) {
3766 sz_sta_stats = sizeof(ath6kl_gstrings_sta_stats);
3767 memcpy(data, ath6kl_gstrings_sta_stats, sz_sta_stats);
3768 }
3769}
3770
3771static const struct ethtool_ops ath6kl_ethtool_ops = {
3772 .get_drvinfo = cfg80211_get_drvinfo,
3773 .get_link = ethtool_op_get_link,
3774 .get_strings = ath6kl_get_strings,
3775 .get_ethtool_stats = ath6kl_get_stats,
3776 .get_sset_count = ath6kl_get_sset_count,
3777};
3778
552bff0c 3779struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
6bab2e19 3780 unsigned char name_assign_type,
84efbb84
JB		 3781 enum nl80211_iftype type,
3782 u8 fw_vif_idx, u8 nw_type)
8dafb70e
VT		 3783{
3784 struct net_device *ndev;
108438bc 3785 struct ath6kl_vif *vif;
f2e2a083 3786 u8 addr[ETH_ALEN];
8dafb70e 3787
6bab2e19 3788 ndev = alloc_netdev(sizeof(*vif), name, name_assign_type, ether_setup);
8dafb70e
VT		 3789 if (!ndev)
3790 return NULL;
3791
108438bc
VT		 3792 vif = netdev_priv(ndev);
3793 ndev->ieee80211_ptr = &vif->wdev;
3794 vif->wdev.wiphy = ar->wiphy;
3795 vif->ar = ar;
108438bc
VT		 3796 vif->ndev = ndev;
3797 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3798 vif->wdev.netdev = ndev;
3799 vif->wdev.iftype = type;
334234b5 3800 vif->fw_vif_idx = fw_vif_idx;
d0d670ab
KV		 3801 vif->nw_type = nw_type;
3802 vif->next_mode = nw_type;
8f46fccd 3803 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
ce0dc0cf 3804 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
eb38987e 3805 vif->bg_scan_period = 0;
57fbcce3
JB		 3806 vif->htcap[NL80211_BAND_2GHZ].ht_enable = true;
3807 vif->htcap[NL80211_BAND_5GHZ].ht_enable = true;
8dafb70e 3808
f2e2a083 3809 ether_addr_copy(addr, ar->mac_addr);
c95dcb59 3810 if (fw_vif_idx != 0) {
f2e2a083 3811 addr[0] = (addr[0] ^ (1 << fw_vif_idx)) | 0x2;
c95dcb59
AT		 3812 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3813 ar->fw_capabilities))
f2e2a083 3814 addr[4] ^= 0x80;
c95dcb59 3815 }
f2e2a083 3816 eth_hw_addr_set(ndev, addr);
55055976 3817
8dafb70e
VT		 3818 init_netdev(ndev);
3819
e29f25f5 3820 ath6kl_init_control_info(vif);
8dafb70e 3821
c25889e8 3822 if (ath6kl_cfg80211_vif_init(vif))
8dafb70e
VT		 3823 goto err;
3824
13eff531
BG		 3825 netdev_set_default_ethtool_ops(ndev, &ath6kl_ethtool_ops);
3826
2fe8ef10 3827 if (cfg80211_register_netdevice(ndev))
8dafb70e
VT		 3828 goto err;
3829
55055976 3830 ar->avail_idx_map &= ~BIT(fw_vif_idx);
14ee6f6b 3831 vif->sme_state = SME_DISCONNECTED;
59c98449 3832 set_bit(WLAN_ENABLED, &vif->flags);
8dafb70e 3833 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
8dafb70e 3834
55055976
VT		 3835 if (type == NL80211_IFTYPE_ADHOC)
3836 ar->ibss_if_active = true;
3837
11f6e40d 3838 spin_lock_bh(&ar->list_lock);
990bd915 3839 list_add_tail(&vif->list, &ar->vif_list);
11f6e40d 3840 spin_unlock_bh(&ar->list_lock);
990bd915 3841
84efbb84 3842 return &vif->wdev;
8dafb70e
VT		 3843
3844err:
27929723
VT		 3845 aggr_module_destroy(vif->aggr_cntxt);
3846 free_netdev(ndev);
8dafb70e
VT		 3847 return NULL;
3848}
3849
964dc9e2
JB		 3850#ifdef CONFIG_PM
3851static const struct wiphy_wowlan_support ath6kl_wowlan_support = {
3852 .flags = WIPHY_WOWLAN_MAGIC_PKT |
3853 WIPHY_WOWLAN_DISCONNECT |
3854 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3855 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3856 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3857 WIPHY_WOWLAN_4WAY_HANDSHAKE,
3858 .n_patterns = WOW_MAX_FILTERS_PER_LIST,
3859 .pattern_min_len = 1,
3860 .pattern_max_len = WOW_PATTERN_SIZE,
3861};
3862#endif
3863
46d33a21
KV		 3864int ath6kl_cfg80211_init(struct ath6kl *ar)
3865{
3866 struct wiphy *wiphy = ar->wiphy;
d92917e4 3867 bool band_2gig = false, band_5gig = false, ht = false;
46d33a21
KV		 3868 int ret;
3869
3870 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3871
3872 wiphy->max_remain_on_channel_duration = 5000;
3873
3874 /* set device pointer for wiphy */
3875 set_wiphy_dev(wiphy, ar->dev);
3876
3877 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3878 BIT(NL80211_IFTYPE_ADHOC) |
3879 BIT(NL80211_IFTYPE_AP);
3880 if (ar->p2p) {
3881 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3882 BIT(NL80211_IFTYPE_P2P_CLIENT);
3883 }
3884
97f2645f 3885 if (IS_ENABLED(CONFIG_ATH6KL_REGDOMAIN) &&
ff7e6867 3886 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
84841ba2 3887 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
ff7e6867
KV		 3888 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3889 }
84841ba2 3890
46d33a21 3891 /* max num of ssids that can be probed during scanning */
8ab5415d 3892 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
dd45b759
NS		 3893
3894 /* max num of ssids that can be matched after scan */
3895 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3896 ar->fw_capabilities))
3897 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3898
46d33a21 3899 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
d92917e4
TP		 3900 switch (ar->hw.cap) {
3901 case WMI_11AN_CAP:
3902 ht = true;
8238bf0d 3903 fallthrough;
d92917e4
TP		 3904 case WMI_11A_CAP:
3905 band_5gig = true;
3906 break;
3907 case WMI_11GN_CAP:
3908 ht = true;
8238bf0d 3909 fallthrough;
d92917e4
TP		 3910 case WMI_11G_CAP:
3911 band_2gig = true;
3912 break;
3913 case WMI_11AGN_CAP:
3914 ht = true;
8238bf0d 3915 fallthrough;
d92917e4
TP		 3916 case WMI_11AG_CAP:
3917 band_2gig = true;
3918 band_5gig = true;
3919 break;
3920 default:
3921 ath6kl_err("invalid phy capability!\n");
3922 return -EINVAL;
3923 }
3924
7fd1ce7e
VT		 3925 /*
3926 * Even if the fw has HT support, advertise HT cap only when
3927 * the firmware has support to override RSN capability, otherwise
3928 * 4-way handshake would fail.
3929 */
3930 if (!(ht &&
3931 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3932 ar->fw_capabilities))) {
d92917e4
TP		 3933 ath6kl_band_2ghz.ht_cap.cap = 0;
3934 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3935 ath6kl_band_5ghz.ht_cap.cap = 0;
3936 ath6kl_band_5ghz.ht_cap.ht_supported = false;
7fd98524
BG		 3937
3938 if (ht)
3939 ath6kl_err("Firmware lacks RSN-CAP-OVERRIDE, so HT (802.11n) is disabled.");
d92917e4 3940 }
06e360ac 3941
eba95bce
KV		 3942 if (test_bit(ATH6KL_FW_CAPABILITY_64BIT_RATES,
3943 ar->fw_capabilities)) {
06e360ac
BS		 3944 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3945 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3946 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3947 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
26ca14d4
BG		 3948 ar->hw.tx_ant = 0x3; /* mask, 2 antenna */
3949 ar->hw.rx_ant = 0x3;
06e360ac
BS		 3950 } else {
3951 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3952 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
9c2e90ff
BG		 3953 ar->hw.tx_ant = 1;
3954 ar->hw.rx_ant = 1;
06e360ac
BS		 3955 }
3956
9c2e90ff
BG		 3957 wiphy->available_antennas_tx = ar->hw.tx_ant;
3958 wiphy->available_antennas_rx = ar->hw.rx_ant;
3959
d92917e4 3960 if (band_2gig)
57fbcce3 3961 wiphy->bands[NL80211_BAND_2GHZ] = &ath6kl_band_2ghz;
d92917e4 3962 if (band_5gig)
57fbcce3 3963 wiphy->bands[NL80211_BAND_5GHZ] = &ath6kl_band_5ghz;
d92917e4 3964
46d33a21
KV		 3965 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3966
3967 wiphy->cipher_suites = cipher_suites;
3968 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3969
dfb89c56 3970#ifdef CONFIG_PM
964dc9e2 3971 wiphy->wowlan = &ath6kl_wowlan_support;
dfb89c56 3972#endif
46d33a21 3973
8ab5415d 3974 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
46d33a21 3975
f2afdac7
VT		 3976 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3977 WIPHY_FLAG_HAVE_AP_SME |
3978 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3979 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3980
b1f47e3a 3981 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
ca986ad9 3982 ar->wiphy->max_sched_scan_reqs = 1;
f2afdac7 3983
03bdeb0d
VT		 3984 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3985 ar->fw_capabilities))
b292219f 3986 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
03bdeb0d 3987
f2afdac7
VT		 3988 ar->wiphy->probe_resp_offload =
3989 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3990 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
a432e7cc 3991 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
f2afdac7 3992
46d33a21
KV		 3993 ret = wiphy_register(wiphy);
3994 if (ret < 0) {
3995 ath6kl_err("couldn't register wiphy device\n");
3996 return ret;
3997 }
3998
e5348a1e
VT		 3999 ar->wiphy_registered = true;
4000
46d33a21
KV		 4001 return 0;
4002}
4003
4004void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
8dafb70e 4005{
be98e3a4 4006 wiphy_unregister(ar->wiphy);
e5348a1e
VT		 4007
4008 ar->wiphy_registered = false;
45eaa78f 4009}
46d33a21 4010
45eaa78f
KV		 4011struct ath6kl *ath6kl_cfg80211_create(void)
4012{
4013 struct ath6kl *ar;
4014 struct wiphy *wiphy;
4015
4016 /* create a new wiphy for use with cfg80211 */
4017 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
4018
4019 if (!wiphy) {
4020 ath6kl_err("couldn't allocate wiphy device\n");
4021 return NULL;
4022 }
4023
4024 ar = wiphy_priv(wiphy);
4025 ar->wiphy = wiphy;
4026
4027 return ar;
4028}
4029
4030/* Note: ar variable must not be accessed after calling this! */
4031void ath6kl_cfg80211_destroy(struct ath6kl *ar)
4032{
1d2a4456
VT		 4033 int i;
4034
4035 for (i = 0; i < AP_MAX_NUM_STA; i++)
4036 kfree(ar->sta_list[i].aggr_conn);
4037
be98e3a4 4038 wiphy_free(ar->wiphy);
bdcd8170 4039}
45eaa78f 4040
Linux 6.x block layer and io_uring tree(s)