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ath6kl: Move and rename ath6kl_cleanup_vif function
[deliverable/linux.git] / drivers / net / wireless / ath / ath6kl / cfg80211.c
CommitLineData
bdcd8170
KV		 1/*
2 * Copyright (c) 2004-2011 Atheros Communications Inc.
1b2df407 3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
bdcd8170
KV		 4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
516304b0
JP		 18#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
6eb07caf 20#include <linux/moduleparam.h>
c08631c6 21#include <linux/inetdevice.h>
d6a434d6 22#include <linux/export.h>
6eb07caf 23
bdcd8170
KV		 24#include "core.h"
25#include "cfg80211.h"
26#include "debug.h"
abcb344b 27#include "hif-ops.h"
003353b0 28#include "testmode.h"
bdcd8170
KV		 29
30#define RATETAB_ENT(_rate, _rateid, _flags) { \
31 .bitrate = (_rate), \
32 .flags = (_flags), \
33 .hw_value = (_rateid), \
34}
35
36#define CHAN2G(_channel, _freq, _flags) { \
37 .band = IEEE80211_BAND_2GHZ, \
38 .hw_value = (_channel), \
39 .center_freq = (_freq), \
40 .flags = (_flags), \
41 .max_antenna_gain = 0, \
42 .max_power = 30, \
43}
44
45#define CHAN5G(_channel, _flags) { \
46 .band = IEEE80211_BAND_5GHZ, \
47 .hw_value = (_channel), \
48 .center_freq = 5000 + (5 * (_channel)), \
49 .flags = (_flags), \
50 .max_antenna_gain = 0, \
51 .max_power = 30, \
52}
53
f599359c
BS		 54#define DEFAULT_BG_SCAN_PERIOD 60
55
dd45b759
NS		 56struct ath6kl_cfg80211_match_probe_ssid {
57 struct cfg80211_ssid ssid;
58 u8 flag;
59};
60
bdcd8170
KV		 61static struct ieee80211_rate ath6kl_rates[] = {
62 RATETAB_ENT(10, 0x1, 0),
63 RATETAB_ENT(20, 0x2, 0),
64 RATETAB_ENT(55, 0x4, 0),
65 RATETAB_ENT(110, 0x8, 0),
66 RATETAB_ENT(60, 0x10, 0),
67 RATETAB_ENT(90, 0x20, 0),
68 RATETAB_ENT(120, 0x40, 0),
69 RATETAB_ENT(180, 0x80, 0),
70 RATETAB_ENT(240, 0x100, 0),
71 RATETAB_ENT(360, 0x200, 0),
72 RATETAB_ENT(480, 0x400, 0),
73 RATETAB_ENT(540, 0x800, 0),
74};
75
76#define ath6kl_a_rates (ath6kl_rates + 4)
77#define ath6kl_a_rates_size 8
78#define ath6kl_g_rates (ath6kl_rates + 0)
79#define ath6kl_g_rates_size 12
80
bed56e31
VT		 81#define ath6kl_g_htcap IEEE80211_HT_CAP_SGI_20
82#define ath6kl_a_htcap (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | \
faaf1929
VT		 83 IEEE80211_HT_CAP_SGI_20 | \
84 IEEE80211_HT_CAP_SGI_40)
85
bdcd8170
KV		 86static struct ieee80211_channel ath6kl_2ghz_channels[] = {
87 CHAN2G(1, 2412, 0),
88 CHAN2G(2, 2417, 0),
89 CHAN2G(3, 2422, 0),
90 CHAN2G(4, 2427, 0),
91 CHAN2G(5, 2432, 0),
92 CHAN2G(6, 2437, 0),
93 CHAN2G(7, 2442, 0),
94 CHAN2G(8, 2447, 0),
95 CHAN2G(9, 2452, 0),
96 CHAN2G(10, 2457, 0),
97 CHAN2G(11, 2462, 0),
98 CHAN2G(12, 2467, 0),
99 CHAN2G(13, 2472, 0),
100 CHAN2G(14, 2484, 0),
101};
102
103static struct ieee80211_channel ath6kl_5ghz_a_channels[] = {
104 CHAN5G(34, 0), CHAN5G(36, 0),
105 CHAN5G(38, 0), CHAN5G(40, 0),
106 CHAN5G(42, 0), CHAN5G(44, 0),
107 CHAN5G(46, 0), CHAN5G(48, 0),
108 CHAN5G(52, 0), CHAN5G(56, 0),
109 CHAN5G(60, 0), CHAN5G(64, 0),
110 CHAN5G(100, 0), CHAN5G(104, 0),
111 CHAN5G(108, 0), CHAN5G(112, 0),
112 CHAN5G(116, 0), CHAN5G(120, 0),
113 CHAN5G(124, 0), CHAN5G(128, 0),
114 CHAN5G(132, 0), CHAN5G(136, 0),
115 CHAN5G(140, 0), CHAN5G(149, 0),
116 CHAN5G(153, 0), CHAN5G(157, 0),
117 CHAN5G(161, 0), CHAN5G(165, 0),
118 CHAN5G(184, 0), CHAN5G(188, 0),
119 CHAN5G(192, 0), CHAN5G(196, 0),
120 CHAN5G(200, 0), CHAN5G(204, 0),
121 CHAN5G(208, 0), CHAN5G(212, 0),
122 CHAN5G(216, 0),
123};
124
125static struct ieee80211_supported_band ath6kl_band_2ghz = {
126 .n_channels = ARRAY_SIZE(ath6kl_2ghz_channels),
127 .channels = ath6kl_2ghz_channels,
128 .n_bitrates = ath6kl_g_rates_size,
129 .bitrates = ath6kl_g_rates,
faaf1929
VT		 130 .ht_cap.cap = ath6kl_g_htcap,
131 .ht_cap.ht_supported = true,
bdcd8170
KV		 132};
133
134static struct ieee80211_supported_band ath6kl_band_5ghz = {
135 .n_channels = ARRAY_SIZE(ath6kl_5ghz_a_channels),
136 .channels = ath6kl_5ghz_a_channels,
137 .n_bitrates = ath6kl_a_rates_size,
138 .bitrates = ath6kl_a_rates,
bed56e31 139 .ht_cap.cap = ath6kl_a_htcap,
faaf1929 140 .ht_cap.ht_supported = true,
bdcd8170
KV		 141};
142
837cb97e
JM		 143#define CCKM_KRK_CIPHER_SUITE 0x004096ff /* use for KRK */
144
10509f90
KV		 145/* returns true if scheduled scan was stopped */
146static bool __ath6kl_cfg80211_sscan_stop(struct ath6kl_vif *vif)
147{
148 struct ath6kl *ar = vif->ar;
149
b1f47e3a 150 if (!test_and_clear_bit(SCHED_SCANNING, &vif->flags))
10509f90
KV		 151 return false;
152
153 del_timer_sync(&vif->sched_scan_timer);
58109df6
VT		 154
155 if (ar->state == ATH6KL_STATE_RECOVERY)
156 return true;
157
b1f47e3a 158 ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, false);
10509f90
KV		 159
160 return true;
161}
162
163static void ath6kl_cfg80211_sscan_disable(struct ath6kl_vif *vif)
164{
165 struct ath6kl *ar = vif->ar;
166 bool stopped;
167
168 stopped = __ath6kl_cfg80211_sscan_stop(vif);
169
170 if (!stopped)
171 return;
172
173 cfg80211_sched_scan_stopped(ar->wiphy);
174}
175
240d2799 176static int ath6kl_set_wpa_version(struct ath6kl_vif *vif,
bdcd8170
KV		 177 enum nl80211_wpa_versions wpa_version)
178{
179 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: %u\n", __func__, wpa_version);
180
181 if (!wpa_version) {
3450334f 182 vif->auth_mode = NONE_AUTH;
bdcd8170 183 } else if (wpa_version & NL80211_WPA_VERSION_2) {
3450334f 184 vif->auth_mode = WPA2_AUTH;
bdcd8170 185 } else if (wpa_version & NL80211_WPA_VERSION_1) {
3450334f 186 vif->auth_mode = WPA_AUTH;
bdcd8170
KV		 187 } else {
188 ath6kl_err("%s: %u not supported\n", __func__, wpa_version);
189 return -ENOTSUPP;
190 }
191
192 return 0;
193}
194
240d2799 195static int ath6kl_set_auth_type(struct ath6kl_vif *vif,
bdcd8170
KV		 196 enum nl80211_auth_type auth_type)
197{
bdcd8170
KV		 198 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, auth_type);
199
200 switch (auth_type) {
201 case NL80211_AUTHTYPE_OPEN_SYSTEM:
3450334f 202 vif->dot11_auth_mode = OPEN_AUTH;
bdcd8170
KV		 203 break;
204 case NL80211_AUTHTYPE_SHARED_KEY:
3450334f 205 vif->dot11_auth_mode = SHARED_AUTH;
bdcd8170
KV		 206 break;
207 case NL80211_AUTHTYPE_NETWORK_EAP:
3450334f 208 vif->dot11_auth_mode = LEAP_AUTH;
bdcd8170
KV		 209 break;
210
211 case NL80211_AUTHTYPE_AUTOMATIC:
3450334f 212 vif->dot11_auth_mode = OPEN_AUTH | SHARED_AUTH;
bdcd8170
KV		 213 break;
214
215 default:
3c325fbd 216 ath6kl_err("%s: 0x%x not supported\n", __func__, auth_type);
bdcd8170
KV		 217 return -ENOTSUPP;
218 }
219
220 return 0;
221}
222
240d2799 223static int ath6kl_set_cipher(struct ath6kl_vif *vif, u32 cipher, bool ucast)
bdcd8170 224{
3450334f
VT		 225 u8 *ar_cipher = ucast ? &vif->prwise_crypto : &vif->grp_crypto;
226 u8 *ar_cipher_len = ucast ? &vif->prwise_crypto_len :
227 &vif->grp_crypto_len;
bdcd8170
KV		 228
229 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: cipher 0x%x, ucast %u\n",
230 __func__, cipher, ucast);
231
232 switch (cipher) {
233 case 0:
234 /* our own hack to use value 0 as no crypto used */
235 *ar_cipher = NONE_CRYPT;
236 *ar_cipher_len = 0;
237 break;
238 case WLAN_CIPHER_SUITE_WEP40:
239 *ar_cipher = WEP_CRYPT;
240 *ar_cipher_len = 5;
241 break;
242 case WLAN_CIPHER_SUITE_WEP104:
243 *ar_cipher = WEP_CRYPT;
244 *ar_cipher_len = 13;
245 break;
246 case WLAN_CIPHER_SUITE_TKIP:
247 *ar_cipher = TKIP_CRYPT;
248 *ar_cipher_len = 0;
249 break;
250 case WLAN_CIPHER_SUITE_CCMP:
251 *ar_cipher = AES_CRYPT;
252 *ar_cipher_len = 0;
253 break;
5e07021e
DS		 254 case WLAN_CIPHER_SUITE_SMS4:
255 *ar_cipher = WAPI_CRYPT;
256 *ar_cipher_len = 0;
257 break;
bdcd8170
KV		 258 default:
259 ath6kl_err("cipher 0x%x not supported\n", cipher);
260 return -ENOTSUPP;
261 }
262
263 return 0;
264}
265
240d2799 266static void ath6kl_set_key_mgmt(struct ath6kl_vif *vif, u32 key_mgmt)
bdcd8170
KV		 267{
268 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: 0x%x\n", __func__, key_mgmt);
269
270 if (key_mgmt == WLAN_AKM_SUITE_PSK) {
3450334f
VT		 271 if (vif->auth_mode == WPA_AUTH)
272 vif->auth_mode = WPA_PSK_AUTH;
273 else if (vif->auth_mode == WPA2_AUTH)
274 vif->auth_mode = WPA2_PSK_AUTH;
837cb97e 275 } else if (key_mgmt == 0x00409600) {
3450334f
VT		 276 if (vif->auth_mode == WPA_AUTH)
277 vif->auth_mode = WPA_AUTH_CCKM;
278 else if (vif->auth_mode == WPA2_AUTH)
279 vif->auth_mode = WPA2_AUTH_CCKM;
bdcd8170 280 } else if (key_mgmt != WLAN_AKM_SUITE_8021X) {
3450334f 281 vif->auth_mode = NONE_AUTH;
bdcd8170
KV		 282 }
283}
284
990bd915 285static bool ath6kl_cfg80211_ready(struct ath6kl_vif *vif)
bdcd8170 286{
990bd915 287 struct ath6kl *ar = vif->ar;
59c98449 288
bdcd8170
KV		 289 if (!test_bit(WMI_READY, &ar->flag)) {
290 ath6kl_err("wmi is not ready\n");
291 return false;
292 }
293
59c98449 294 if (!test_bit(WLAN_ENABLED, &vif->flags)) {
bdcd8170
KV		 295 ath6kl_err("wlan disabled\n");
296 return false;
297 }
298
299 return true;
300}
301
6981ffdc
KF		 302static bool ath6kl_is_wpa_ie(const u8 *pos)
303{
04b2312a 304 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
6981ffdc
KF		 305 pos[2] == 0x00 && pos[3] == 0x50 &&
306 pos[4] == 0xf2 && pos[5] == 0x01;
307}
308
309static bool ath6kl_is_rsn_ie(const u8 *pos)
310{
311 return pos[0] == WLAN_EID_RSN;
312}
313
63541212
AT		 314static bool ath6kl_is_wps_ie(const u8 *pos)
315{
316 return (pos[0] == WLAN_EID_VENDOR_SPECIFIC &&
317 pos[1] >= 4 &&
318 pos[2] == 0x00 && pos[3] == 0x50 && pos[4] == 0xf2 &&
319 pos[5] == 0x04);
320}
321
334234b5
VT		 322static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
323 size_t ies_len)
6981ffdc 324{
334234b5 325 struct ath6kl *ar = vif->ar;
6981ffdc
KF		 326 const u8 *pos;
327 u8 *buf = NULL;
328 size_t len = 0;
329 int ret;
330
63541212
AT		 331 /*
332 * Clear previously set flag
333 */
334
335 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
336
6981ffdc
KF		 337 /*
338 * Filter out RSN/WPA IE(s)
339 */
340
341 if (ies && ies_len) {
342 buf = kmalloc(ies_len, GFP_KERNEL);
343 if (buf == NULL)
344 return -ENOMEM;
345 pos = ies;
346
347 while (pos + 1 < ies + ies_len) {
348 if (pos + 2 + pos[1] > ies + ies_len)
349 break;
350 if (!(ath6kl_is_wpa_ie(pos) || ath6kl_is_rsn_ie(pos))) {
351 memcpy(buf + len, pos, 2 + pos[1]);
352 len += 2 + pos[1];
353 }
63541212
AT		 354
355 if (ath6kl_is_wps_ie(pos))
356 ar->connect_ctrl_flags |= CONNECT_WPS_FLAG;
357
6981ffdc
KF		 358 pos += 2 + pos[1];
359 }
360 }
361
334234b5
VT		 362 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
363 WMI_FRAME_ASSOC_REQ, buf, len);
6981ffdc
KF		 364 kfree(buf);
365 return ret;
366}
367
55055976
VT		 368static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
369{
370 switch (type) {
371 case NL80211_IFTYPE_STATION:
38142644 372 case NL80211_IFTYPE_P2P_CLIENT:
55055976
VT		 373 *nw_type = INFRA_NETWORK;
374 break;
375 case NL80211_IFTYPE_ADHOC:
376 *nw_type = ADHOC_NETWORK;
377 break;
378 case NL80211_IFTYPE_AP:
55055976
VT		 379 case NL80211_IFTYPE_P2P_GO:
380 *nw_type = AP_NETWORK;
381 break;
382 default:
383 ath6kl_err("invalid interface type %u\n", type);
384 return -ENOTSUPP;
385 }
386
387 return 0;
388}
389
390static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
391 u8 *if_idx, u8 *nw_type)
392{
393 int i;
394
395 if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
396 return false;
397
398 if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
96f1fadc 399 ar->num_vif))
55055976
VT		 400 return false;
401
402 if (type == NL80211_IFTYPE_STATION ||
403 type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
71f96ee6 404 for (i = 0; i < ar->vif_max; i++) {
55055976
VT		 405 if ((ar->avail_idx_map >> i) & BIT(0)) {
406 *if_idx = i;
407 return true;
408 }
409 }
410 }
411
3226f68a
VT		 412 if (type == NL80211_IFTYPE_P2P_CLIENT ||
413 type == NL80211_IFTYPE_P2P_GO) {
71f96ee6 414 for (i = ar->max_norm_iface; i < ar->vif_max; i++) {
3226f68a
VT		 415 if ((ar->avail_idx_map >> i) & BIT(0)) {
416 *if_idx = i;
417 return true;
418 }
419 }
420 }
421
55055976
VT		 422 return false;
423}
424
8c9bb054
KV		 425static bool ath6kl_is_tx_pending(struct ath6kl *ar)
426{
427 return ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)] == 0;
428}
429
355b3a98
MSS		 430static void ath6kl_cfg80211_sta_bmiss_enhance(struct ath6kl_vif *vif,
431 bool enable)
432{
433 int err;
434
435 if (WARN_ON(!test_bit(WMI_READY, &vif->ar->flag)))
436 return;
437
438 if (vif->nw_type != INFRA_NETWORK)
439 return;
440
441 if (!test_bit(ATH6KL_FW_CAPABILITY_BMISS_ENHANCE,
442 vif->ar->fw_capabilities))
443 return;
444
445 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s fw bmiss enhance\n",
446 enable ? "enable" : "disable");
447
448 err = ath6kl_wmi_sta_bmiss_enhance_cmd(vif->ar->wmi,
449 vif->fw_vif_idx, enable);
450 if (err)
451 ath6kl_err("failed to %s enhanced bmiss detection: %d\n",
452 enable ? "enable" : "disable", err);
453}
8c9bb054 454
bdcd8170
KV		 455static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
456 struct cfg80211_connect_params *sme)
457{
458 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 459 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170 460 int status;
3ca9d1fc 461 u8 nw_subtype = (ar->p2p) ? SUBTYPE_P2PDEV : SUBTYPE_NONE;
ce0dc0cf 462 u16 interval;
bdcd8170 463
10509f90
KV		 464 ath6kl_cfg80211_sscan_disable(vif);
465
14ee6f6b 466 vif->sme_state = SME_CONNECTING;
bdcd8170 467
990bd915 468 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 469 return -EIO;
470
471 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
472 ath6kl_err("destroy in progress\n");
473 return -EBUSY;
474 }
475
476 if (test_bit(SKIP_SCAN, &ar->flag) &&
477 ((sme->channel && sme->channel->center_freq == 0) ||
478 (sme->bssid && is_zero_ether_addr(sme->bssid)))) {
479 ath6kl_err("SkipScan: channel or bssid invalid\n");
480 return -EINVAL;
481 }
482
483 if (down_interruptible(&ar->sem)) {
484 ath6kl_err("busy, couldn't get access\n");
485 return -ERESTARTSYS;
486 }
487
488 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
489 ath6kl_err("busy, destroy in progress\n");
490 up(&ar->sem);
491 return -EBUSY;
492 }
493
494 if (ar->tx_pending[ath6kl_wmi_get_control_ep(ar->wmi)]) {
495 /*
496 * sleep until the command queue drains
497 */
498 wait_event_interruptible_timeout(ar->event_wq,
8c9bb054
KV		 499 ath6kl_is_tx_pending(ar),
500 WMI_TIMEOUT);
bdcd8170
KV		 501 if (signal_pending(current)) {
502 ath6kl_err("cmd queue drain timeout\n");
503 up(&ar->sem);
504 return -EINTR;
505 }
506 }
507
6e786cb1
JM		 508 status = ath6kl_set_assoc_req_ies(vif, sme->ie, sme->ie_len);
509 if (status) {
510 up(&ar->sem);
511 return status;
512 }
513
514 if (sme->ie == NULL || sme->ie_len == 0)
542c519a 515 ar->connect_ctrl_flags &= ~CONNECT_WPS_FLAG;
6981ffdc 516
59c98449 517 if (test_bit(CONNECTED, &vif->flags) &&
3450334f
VT		 518 vif->ssid_len == sme->ssid_len &&
519 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
cf5333d7 520 vif->reconnect_flag = true;
334234b5
VT		 521 status = ath6kl_wmi_reconnect_cmd(ar->wmi, vif->fw_vif_idx,
522 vif->req_bssid,
f74bac54 523 vif->ch_hint);
bdcd8170
KV		 524
525 up(&ar->sem);
526 if (status) {
527 ath6kl_err("wmi_reconnect_cmd failed\n");
528 return -EIO;
529 }
530 return 0;
3450334f
VT		 531 } else if (vif->ssid_len == sme->ssid_len &&
532 !memcmp(vif->ssid, sme->ssid, vif->ssid_len)) {
240d2799 533 ath6kl_disconnect(vif);
bdcd8170
KV		 534 }
535
3450334f
VT		 536 memset(vif->ssid, 0, sizeof(vif->ssid));
537 vif->ssid_len = sme->ssid_len;
538 memcpy(vif->ssid, sme->ssid, sme->ssid_len);
bdcd8170
KV		 539
540 if (sme->channel)
f74bac54 541 vif->ch_hint = sme->channel->center_freq;
bdcd8170 542
8c8b65e3 543 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170 544 if (sme->bssid && !is_broadcast_ether_addr(sme->bssid))
8c8b65e3 545 memcpy(vif->req_bssid, sme->bssid, sizeof(vif->req_bssid));
bdcd8170 546
240d2799 547 ath6kl_set_wpa_version(vif, sme->crypto.wpa_versions);
bdcd8170 548
240d2799 549 status = ath6kl_set_auth_type(vif, sme->auth_type);
bdcd8170
KV		 550 if (status) {
551 up(&ar->sem);
552 return status;
553 }
554
555 if (sme->crypto.n_ciphers_pairwise)
240d2799 556 ath6kl_set_cipher(vif, sme->crypto.ciphers_pairwise[0], true);
bdcd8170 557 else
240d2799 558 ath6kl_set_cipher(vif, 0, true);
bdcd8170 559
240d2799 560 ath6kl_set_cipher(vif, sme->crypto.cipher_group, false);
bdcd8170
KV		 561
562 if (sme->crypto.n_akm_suites)
240d2799 563 ath6kl_set_key_mgmt(vif, sme->crypto.akm_suites[0]);
bdcd8170
KV		 564
565 if ((sme->key_len) &&
3450334f
VT		 566 (vif->auth_mode == NONE_AUTH) &&
567 (vif->prwise_crypto == WEP_CRYPT)) {
bdcd8170
KV		 568 struct ath6kl_key *key = NULL;
569
792ecb33 570 if (sme->key_idx > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 571 ath6kl_err("key index %d out of bounds\n",
572 sme->key_idx);
573 up(&ar->sem);
574 return -ENOENT;
575 }
576
6f2a73f9 577 key = &vif->keys[sme->key_idx];
bdcd8170
KV		 578 key->key_len = sme->key_len;
579 memcpy(key->key, sme->key, key->key_len);
3450334f
VT		 580 key->cipher = vif->prwise_crypto;
581 vif->def_txkey_index = sme->key_idx;
bdcd8170 582
334234b5 583 ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, sme->key_idx,
3450334f 584 vif->prwise_crypto,
bdcd8170
KV		 585 GROUP_USAGE | TX_USAGE,
586 key->key_len,
f4bb9a6f 587 NULL, 0,
bdcd8170
KV		 588 key->key, KEY_OP_INIT_VAL, NULL,
589 NO_SYNC_WMIFLAG);
590 }
591
592 if (!ar->usr_bss_filter) {
59c98449 593 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
240d2799 594 if (ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
96f1fadc 595 ALL_BSS_FILTER, 0) != 0) {
bdcd8170
KV		 596 ath6kl_err("couldn't set bss filtering\n");
597 up(&ar->sem);
598 return -EIO;
599 }
600 }
601
f5938f24 602 vif->nw_type = vif->next_mode;
bdcd8170 603
c422d52d
TP		 604 /* enable enhanced bmiss detection if applicable */
605 ath6kl_cfg80211_sta_bmiss_enhance(vif, true);
606
3ca9d1fc
AT		 607 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)
608 nw_subtype = SUBTYPE_P2PCLIENT;
609
bdcd8170
KV		 610 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
611 "%s: connect called with authmode %d dot11 auth %d"
612 " PW crypto %d PW crypto len %d GRP crypto %d"
613 " GRP crypto len %d channel hint %u\n",
614 __func__,
3450334f
VT		 615 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
616 vif->prwise_crypto_len, vif->grp_crypto,
f74bac54 617 vif->grp_crypto_len, vif->ch_hint);
bdcd8170 618
cf5333d7 619 vif->reconnect_flag = 0;
ce0dc0cf
RM		 620
621 if (vif->nw_type == INFRA_NETWORK) {
b5283871
KV		 622 interval = max_t(u16, vif->listen_intvl_t,
623 ATH6KL_MAX_WOW_LISTEN_INTL);
ce0dc0cf
RM		 624 status = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
625 interval,
626 0);
627 if (status) {
628 ath6kl_err("couldn't set listen intervel\n");
629 up(&ar->sem);
630 return status;
631 }
632 }
633
334234b5 634 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
3450334f
VT		 635 vif->dot11_auth_mode, vif->auth_mode,
636 vif->prwise_crypto,
637 vif->prwise_crypto_len,
638 vif->grp_crypto, vif->grp_crypto_len,
639 vif->ssid_len, vif->ssid,
f74bac54 640 vif->req_bssid, vif->ch_hint,
3ca9d1fc 641 ar->connect_ctrl_flags, nw_subtype);
bdcd8170 642
f599359c
BS		 643 /* disable background scan if period is 0 */
644 if (sme->bg_scan_period == 0)
645 sme->bg_scan_period = 0xffff;
646
647 /* configure default value if not specified */
648 if (sme->bg_scan_period == -1)
649 sme->bg_scan_period = DEFAULT_BG_SCAN_PERIOD;
650
651 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx, 0, 0,
652 sme->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
653
bdcd8170
KV		 654 up(&ar->sem);
655
656 if (status == -EINVAL) {
3450334f
VT		 657 memset(vif->ssid, 0, sizeof(vif->ssid));
658 vif->ssid_len = 0;
bdcd8170
KV		 659 ath6kl_err("invalid request\n");
660 return -ENOENT;
661 } else if (status) {
662 ath6kl_err("ath6kl_wmi_connect_cmd failed\n");
663 return -EIO;
664 }
665
666 if ((!(ar->connect_ctrl_flags & CONNECT_DO_WPA_OFFLOAD)) &&
ddc3d77c
KV		 667 ((vif->auth_mode == WPA_PSK_AUTH) ||
668 (vif->auth_mode == WPA2_PSK_AUTH))) {
de3ad713 669 mod_timer(&vif->disconnect_timer,
bdcd8170
KV		 670 jiffies + msecs_to_jiffies(DISCON_TIMER_INTVAL));
671 }
672
673 ar->connect_ctrl_flags &= ~CONNECT_DO_WPA_OFFLOAD;
59c98449 674 set_bit(CONNECT_PEND, &vif->flags);
bdcd8170
KV		 675
676 return 0;
677}
678
5e13fd35
VT		 679static struct cfg80211_bss *
680ath6kl_add_bss_if_needed(struct ath6kl_vif *vif,
681 enum network_type nw_type,
682 const u8 *bssid,
683 struct ieee80211_channel *chan,
684 const u8 *beacon_ie,
685 size_t beacon_ie_len)
01cac476 686{
240d2799 687 struct ath6kl *ar = vif->ar;
01cac476 688 struct cfg80211_bss *bss;
4eab6f4f 689 u16 cap_mask, cap_val;
01cac476
JM		 690 u8 *ie;
691
4eab6f4f
RM		 692 if (nw_type & ADHOC_NETWORK) {
693 cap_mask = WLAN_CAPABILITY_IBSS;
694 cap_val = WLAN_CAPABILITY_IBSS;
695 } else {
696 cap_mask = WLAN_CAPABILITY_ESS;
697 cap_val = WLAN_CAPABILITY_ESS;
698 }
699
be98e3a4 700 bss = cfg80211_get_bss(ar->wiphy, chan, bssid,
4eab6f4f
RM		 701 vif->ssid, vif->ssid_len,
702 cap_mask, cap_val);
01cac476
JM		 703 if (bss == NULL) {
704 /*
705 * Since cfg80211 may not yet know about the BSS,
706 * generate a partial entry until the first BSS info
707 * event becomes available.
708 *
709 * Prepend SSID element since it is not included in the Beacon
710 * IEs from the target.
711 */
3450334f 712 ie = kmalloc(2 + vif->ssid_len + beacon_ie_len, GFP_KERNEL);
01cac476 713 if (ie == NULL)
5e13fd35 714 return NULL;
01cac476 715 ie[0] = WLAN_EID_SSID;
3450334f
VT		 716 ie[1] = vif->ssid_len;
717 memcpy(ie + 2, vif->ssid, vif->ssid_len);
718 memcpy(ie + 2 + vif->ssid_len, beacon_ie, beacon_ie_len);
be98e3a4 719 bss = cfg80211_inform_bss(ar->wiphy, chan,
4eab6f4f 720 bssid, 0, cap_val, 100,
3450334f 721 ie, 2 + vif->ssid_len + beacon_ie_len,
01cac476
JM		 722 0, GFP_KERNEL);
723 if (bss)
cdeb8602
KV		 724 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
725 "added bss %pM to cfg80211\n", bssid);
01cac476
JM		 726 kfree(ie);
727 } else
5e13fd35 728 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "cfg80211 already has a bss\n");
01cac476 729
5e13fd35 730 return bss;
01cac476
JM		 731}
732
240d2799 733void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel,
bdcd8170
KV		 734 u8 *bssid, u16 listen_intvl,
735 u16 beacon_intvl,
736 enum network_type nw_type,
737 u8 beacon_ie_len, u8 assoc_req_len,
738 u8 assoc_resp_len, u8 *assoc_info)
739{
01cac476 740 struct ieee80211_channel *chan;
240d2799 741 struct ath6kl *ar = vif->ar;
5e13fd35 742 struct cfg80211_bss *bss;
bdcd8170
KV		 743
744 /* capinfo + listen interval */
745 u8 assoc_req_ie_offset = sizeof(u16) + sizeof(u16);
746
747 /* capinfo + status code + associd */
748 u8 assoc_resp_ie_offset = sizeof(u16) + sizeof(u16) + sizeof(u16);
749
750 u8 *assoc_req_ie = assoc_info + beacon_ie_len + assoc_req_ie_offset;
751 u8 *assoc_resp_ie = assoc_info + beacon_ie_len + assoc_req_len +
752 assoc_resp_ie_offset;
753
754 assoc_req_len -= assoc_req_ie_offset;
755 assoc_resp_len -= assoc_resp_ie_offset;
756
32c10874
JM		 757 /*
758 * Store Beacon interval here; DTIM period will be available only once
759 * a Beacon frame from the AP is seen.
760 */
cf5333d7 761 vif->assoc_bss_beacon_int = beacon_intvl;
59c98449 762 clear_bit(DTIM_PERIOD_AVAIL, &vif->flags);
32c10874 763
bdcd8170 764 if (nw_type & ADHOC_NETWORK) {
551959d8 765 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
bdcd8170
KV		 766 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
767 "%s: ath6k not in ibss mode\n", __func__);
768 return;
769 }
770 }
771
772 if (nw_type & INFRA_NETWORK) {
551959d8
VT		 773 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
774 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
bdcd8170
KV		 775 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
776 "%s: ath6k not in station mode\n", __func__);
777 return;
778 }
779 }
780
be98e3a4 781 chan = ieee80211_get_channel(ar->wiphy, (int) channel);
bdcd8170 782
5e13fd35
VT		 783 bss = ath6kl_add_bss_if_needed(vif, nw_type, bssid, chan,
784 assoc_info, beacon_ie_len);
785 if (!bss) {
4eab6f4f 786 ath6kl_err("could not add cfg80211 bss entry\n");
bdcd8170
KV		 787 return;
788 }
789
4eab6f4f
RM		 790 if (nw_type & ADHOC_NETWORK) {
791 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "ad-hoc %s selected\n",
792 nw_type & ADHOC_CREATOR ? "creator" : "joiner");
793 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
5e13fd35 794 cfg80211_put_bss(bss);
bdcd8170
KV		 795 return;
796 }
797
14ee6f6b 798 if (vif->sme_state == SME_CONNECTING) {
bdcd8170 799 /* inform connect result to cfg80211 */
14ee6f6b 800 vif->sme_state = SME_CONNECTED;
240d2799 801 cfg80211_connect_result(vif->ndev, bssid,
bdcd8170
KV		 802 assoc_req_ie, assoc_req_len,
803 assoc_resp_ie, assoc_resp_len,
804 WLAN_STATUS_SUCCESS, GFP_KERNEL);
5e13fd35 805 cfg80211_put_bss(bss);
14ee6f6b 806 } else if (vif->sme_state == SME_CONNECTED) {
bdcd8170 807 /* inform roam event to cfg80211 */
5e13fd35
VT		 808 cfg80211_roamed_bss(vif->ndev, bss, assoc_req_ie, assoc_req_len,
809 assoc_resp_ie, assoc_resp_len, GFP_KERNEL);
bdcd8170
KV		 810 }
811}
812
813static int ath6kl_cfg80211_disconnect(struct wiphy *wiphy,
814 struct net_device *dev, u16 reason_code)
815{
d6d5c06c 816 struct ath6kl *ar = ath6kl_priv(dev);
3450334f 817 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 818
819 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: reason=%u\n", __func__,
820 reason_code);
821
10509f90
KV		 822 ath6kl_cfg80211_sscan_disable(vif);
823
990bd915 824 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 825 return -EIO;
826
827 if (test_bit(DESTROY_IN_PROGRESS, &ar->flag)) {
828 ath6kl_err("busy, destroy in progress\n");
829 return -EBUSY;
830 }
831
832 if (down_interruptible(&ar->sem)) {
833 ath6kl_err("busy, couldn't get access\n");
834 return -ERESTARTSYS;
835 }
836
cf5333d7 837 vif->reconnect_flag = 0;
240d2799 838 ath6kl_disconnect(vif);
3450334f
VT		 839 memset(vif->ssid, 0, sizeof(vif->ssid));
840 vif->ssid_len = 0;
bdcd8170
KV		 841
842 if (!test_bit(SKIP_SCAN, &ar->flag))
8c8b65e3 843 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170
KV		 844
845 up(&ar->sem);
846
14ee6f6b 847 vif->sme_state = SME_DISCONNECTED;
170826dd 848
bdcd8170
KV		 849 return 0;
850}
851
240d2799 852void ath6kl_cfg80211_disconnect_event(struct ath6kl_vif *vif, u8 reason,
bdcd8170
KV		 853 u8 *bssid, u8 assoc_resp_len,
854 u8 *assoc_info, u16 proto_reason)
855{
240d2799 856 struct ath6kl *ar = vif->ar;
59c98449 857
14ee6f6b
VT		 858 if (vif->scan_req) {
859 cfg80211_scan_done(vif->scan_req, true);
860 vif->scan_req = NULL;
bdcd8170
KV		 861 }
862
f5938f24 863 if (vif->nw_type & ADHOC_NETWORK) {
551959d8 864 if (vif->wdev.iftype != NL80211_IFTYPE_ADHOC) {
bdcd8170
KV		 865 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
866 "%s: ath6k not in ibss mode\n", __func__);
867 return;
868 }
869 memset(bssid, 0, ETH_ALEN);
240d2799 870 cfg80211_ibss_joined(vif->ndev, bssid, GFP_KERNEL);
bdcd8170
KV		 871 return;
872 }
873
f5938f24 874 if (vif->nw_type & INFRA_NETWORK) {
551959d8
VT		 875 if (vif->wdev.iftype != NL80211_IFTYPE_STATION &&
876 vif->wdev.iftype != NL80211_IFTYPE_P2P_CLIENT) {
bdcd8170
KV		 877 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
878 "%s: ath6k not in station mode\n", __func__);
879 return;
880 }
881 }
882
59c98449 883 clear_bit(CONNECT_PEND, &vif->flags);
bdcd8170 884
14ee6f6b 885 if (vif->sme_state == SME_CONNECTING) {
240d2799 886 cfg80211_connect_result(vif->ndev,
96f1fadc
KV		 887 bssid, NULL, 0,
888 NULL, 0,
889 WLAN_STATUS_UNSPECIFIED_FAILURE,
890 GFP_KERNEL);
14ee6f6b 891 } else if (vif->sme_state == SME_CONNECTED) {
33a6664a 892 cfg80211_disconnected(vif->ndev, proto_reason,
96f1fadc 893 NULL, 0, GFP_KERNEL);
bdcd8170
KV		 894 }
895
14ee6f6b 896 vif->sme_state = SME_DISCONNECTED;
33a6664a
TP		 897
898 /*
899 * Send a disconnect command to target when a disconnect event is
900 * received with reason code other than 3 (DISCONNECT_CMD - disconnect
901 * request from host) to make the firmware stop trying to connect even
902 * after giving disconnect event. There will be one more disconnect
903 * event for this disconnect command with reason code DISCONNECT_CMD
904 * which won't be notified to cfg80211.
905 */
906 if (reason != DISCONNECT_CMD)
907 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
bdcd8170
KV		 908}
909
3b8ffc6a
JM		 910static int ath6kl_set_probed_ssids(struct ath6kl *ar,
911 struct ath6kl_vif *vif,
dd45b759
NS		 912 struct cfg80211_ssid *ssids, int n_ssids,
913 struct cfg80211_match_set *match_set,
914 int n_match_ssid)
3b8ffc6a 915{
dd45b759
NS		 916 u8 i, j, index_to_add, ssid_found = false;
917 struct ath6kl_cfg80211_match_probe_ssid ssid_list[MAX_PROBED_SSIDS];
918
919 memset(ssid_list, 0, sizeof(ssid_list));
3b8ffc6a 920
dd45b759
NS		 921 if (n_ssids > MAX_PROBED_SSIDS ||
922 n_match_ssid > MAX_PROBED_SSIDS)
3b8ffc6a
JM		 923 return -EINVAL;
924
925 for (i = 0; i < n_ssids; i++) {
dd45b759
NS		 926 memcpy(ssid_list[i].ssid.ssid,
927 ssids[i].ssid,
928 ssids[i].ssid_len);
929 ssid_list[i].ssid.ssid_len = ssids[i].ssid_len;
930
931 if (ssids[i].ssid_len)
932 ssid_list[i].flag = SPECIFIC_SSID_FLAG;
933 else
934 ssid_list[i].flag = ANY_SSID_FLAG;
935
936 if (n_match_ssid == 0)
937 ssid_list[i].flag |= MATCH_SSID_FLAG;
938 }
939
940 index_to_add = i;
941
942 for (i = 0; i < n_match_ssid; i++) {
943 ssid_found = false;
944
945 for (j = 0; j < n_ssids; j++) {
946 if ((match_set[i].ssid.ssid_len ==
947 ssid_list[j].ssid.ssid_len) &&
948 (!memcmp(ssid_list[j].ssid.ssid,
949 match_set[i].ssid.ssid,
950 match_set[i].ssid.ssid_len))) {
951 ssid_list[j].flag |= MATCH_SSID_FLAG;
952 ssid_found = true;
953 break;
954 }
955 }
956
957 if (ssid_found)
958 continue;
959
960 if (index_to_add >= MAX_PROBED_SSIDS)
961 continue;
962
963 ssid_list[index_to_add].ssid.ssid_len =
964 match_set[i].ssid.ssid_len;
965 memcpy(ssid_list[index_to_add].ssid.ssid,
966 match_set[i].ssid.ssid,
967 match_set[i].ssid.ssid_len);
968 ssid_list[index_to_add].flag |= MATCH_SSID_FLAG;
969 index_to_add++;
970 }
971
972 for (i = 0; i < index_to_add; i++) {
3b8ffc6a 973 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
dd45b759
NS		 974 ssid_list[i].flag,
975 ssid_list[i].ssid.ssid_len,
976 ssid_list[i].ssid.ssid);
977
3b8ffc6a
JM		 978 }
979
980 /* Make sure no old entries are left behind */
dd45b759 981 for (i = index_to_add; i < MAX_PROBED_SSIDS; i++) {
3b8ffc6a
JM		 982 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx, i,
983 DISABLE_SSID_FLAG, 0, NULL);
984 }
985
986 return 0;
987}
988
fd014284 989static int ath6kl_cfg80211_scan(struct wiphy *wiphy,
bdcd8170
KV		 990 struct cfg80211_scan_request *request)
991{
fd014284
JB		 992 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(request->wdev);
993 struct ath6kl *ar = ath6kl_priv(vif->ndev);
1276c9ef
EL		 994 s8 n_channels = 0;
995 u16 *channels = NULL;
bdcd8170 996 int ret = 0;
f1f92179 997 u32 force_fg_scan = 0;
bdcd8170 998
990bd915 999 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1000 return -EIO;
1001
10509f90
KV		 1002 ath6kl_cfg80211_sscan_disable(vif);
1003
bdcd8170 1004 if (!ar->usr_bss_filter) {
59c98449 1005 clear_bit(CLEAR_BSSFILTER_ON_BEACON, &vif->flags);
954e6ce5
VT		 1006 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
1007 ALL_BSS_FILTER, 0);
1b1e6ee3 1008 if (ret) {
bdcd8170 1009 ath6kl_err("couldn't set bss filtering\n");
1b1e6ee3 1010 return ret;
bdcd8170
KV		 1011 }
1012 }
1013
3b8ffc6a 1014 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
dd45b759 1015 request->n_ssids, NULL, 0);
3b8ffc6a
JM		 1016 if (ret < 0)
1017 return ret;
bdcd8170 1018
080eec4f
AT		 1019 /* this also clears IE in fw if it's not set */
1020 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
1021 WMI_FRAME_PROBE_REQ,
1022 request->ie, request->ie_len);
1023 if (ret) {
f1ff32e8 1024 ath6kl_err("failed to set Probe Request appie for scan\n");
080eec4f 1025 return ret;
b84da8c7
JM		 1026 }
1027
11869bef
JM		 1028 /*
1029 * Scan only the requested channels if the request specifies a set of
1030 * channels. If the list is longer than the target supports, do not
1031 * configure the list and instead, scan all available channels.
1032 */
1033 if (request->n_channels > 0 &&
1034 request->n_channels <= WMI_MAX_CHANNELS) {
1276c9ef
EL		 1035 u8 i;
1036
11869bef 1037 n_channels = request->n_channels;
1276c9ef
EL		 1038
1039 channels = kzalloc(n_channels * sizeof(u16), GFP_KERNEL);
1040 if (channels == NULL) {
cdeb8602 1041 ath6kl_warn("failed to set scan channels, scan all channels");
1276c9ef
EL		 1042 n_channels = 0;
1043 }
1044
1045 for (i = 0; i < n_channels; i++)
1046 channels[i] = request->channels[i]->center_freq;
1047 }
1048
59c98449 1049 if (test_bit(CONNECTED, &vif->flags))
f1f92179
VT		 1050 force_fg_scan = 1;
1051
5b35dff0
RM		 1052 vif->scan_req = request;
1053
11f0bfcf
KV		 1054 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, vif->fw_vif_idx,
1055 WMI_LONG_SCAN, force_fg_scan,
1056 false, 0,
1057 ATH6KL_FG_SCAN_INTERVAL,
1058 n_channels, channels,
1059 request->no_cck,
1060 request->rates);
5b35dff0 1061 if (ret) {
11f0bfcf 1062 ath6kl_err("failed to start scan: %d\n", ret);
5b35dff0
RM		 1063 vif->scan_req = NULL;
1064 }
bdcd8170 1065
1276c9ef
EL		 1066 kfree(channels);
1067
bdcd8170
KV		 1068 return ret;
1069}
1070
1c17d313 1071void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted)
bdcd8170 1072{
240d2799 1073 struct ath6kl *ar = vif->ar;
6fd1eace 1074 int i;
bdcd8170 1075
1c17d313
KV		 1076 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: status%s\n", __func__,
1077 aborted ? " aborted" : "");
bdcd8170 1078
14ee6f6b 1079 if (!vif->scan_req)
6fd1eace
KV		 1080 return;
1081
1c17d313 1082 if (aborted)
6fd1eace 1083 goto out;
6fd1eace 1084
14ee6f6b
VT		 1085 if (vif->scan_req->n_ssids && vif->scan_req->ssids[0].ssid_len) {
1086 for (i = 0; i < vif->scan_req->n_ssids; i++) {
334234b5
VT		 1087 ath6kl_wmi_probedssid_cmd(ar->wmi, vif->fw_vif_idx,
1088 i + 1, DISABLE_SSID_FLAG,
6fd1eace 1089 0, NULL);
bdcd8170 1090 }
bdcd8170 1091 }
6fd1eace
KV		 1092
1093out:
cb93821a 1094 cfg80211_scan_done(vif->scan_req, aborted);
14ee6f6b 1095 vif->scan_req = NULL;
bdcd8170
KV		 1096}
1097
c4f7863e
TP		 1098void ath6kl_cfg80211_ch_switch_notify(struct ath6kl_vif *vif, int freq,
1099 enum wmi_phy_mode mode)
1100{
1101 enum nl80211_channel_type type;
1102
1103 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1104 "channel switch notify nw_type %d freq %d mode %d\n",
1105 vif->nw_type, freq, mode);
1106
1107 type = (mode == WMI_11G_HT20) ? NL80211_CHAN_HT20 : NL80211_CHAN_NO_HT;
1108
1109 cfg80211_ch_switch_notify(vif->ndev, freq, type);
1110}
1111
bdcd8170
KV		 1112static int ath6kl_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
1113 u8 key_index, bool pairwise,
1114 const u8 *mac_addr,
1115 struct key_params *params)
1116{
d6d5c06c 1117 struct ath6kl *ar = ath6kl_priv(ndev);
59c98449 1118 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170 1119 struct ath6kl_key *key = NULL;
4a8ce2fd 1120 int seq_len;
bdcd8170
KV		 1121 u8 key_usage;
1122 u8 key_type;
bdcd8170 1123
990bd915 1124 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1125 return -EIO;
1126
837cb97e
JM		 1127 if (params->cipher == CCKM_KRK_CIPHER_SUITE) {
1128 if (params->key_len != WMI_KRK_LEN)
1129 return -EINVAL;
240d2799
VT		 1130 return ath6kl_wmi_add_krk_cmd(ar->wmi, vif->fw_vif_idx,
1131 params->key);
837cb97e
JM		 1132 }
1133
792ecb33 1134 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1135 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1136 "%s: key index %d out of bounds\n", __func__,
1137 key_index);
1138 return -ENOENT;
1139 }
1140
6f2a73f9 1141 key = &vif->keys[key_index];
bdcd8170
KV		 1142 memset(key, 0, sizeof(struct ath6kl_key));
1143
1144 if (pairwise)
1145 key_usage = PAIRWISE_USAGE;
1146 else
1147 key_usage = GROUP_USAGE;
1148
4a8ce2fd
SM		 1149 seq_len = params->seq_len;
1150 if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
1151 seq_len > ATH6KL_KEY_SEQ_LEN) {
1152 /* Only first half of the WPI PN is configured */
1153 seq_len = ATH6KL_KEY_SEQ_LEN;
bdcd8170 1154 }
4a8ce2fd
SM		 1155 if (params->key_len > WLAN_MAX_KEY_LEN ||
1156 seq_len > sizeof(key->seq))
1157 return -EINVAL;
1158
1159 key->key_len = params->key_len;
1160 memcpy(key->key, params->key, key->key_len);
1161 key->seq_len = seq_len;
1162 memcpy(key->seq, params->seq, key->seq_len);
1163 key->cipher = params->cipher;
bdcd8170
KV		 1164
1165 switch (key->cipher) {
1166 case WLAN_CIPHER_SUITE_WEP40:
1167 case WLAN_CIPHER_SUITE_WEP104:
1168 key_type = WEP_CRYPT;
1169 break;
1170
1171 case WLAN_CIPHER_SUITE_TKIP:
1172 key_type = TKIP_CRYPT;
1173 break;
1174
1175 case WLAN_CIPHER_SUITE_CCMP:
1176 key_type = AES_CRYPT;
1177 break;
5e07021e
DS		 1178 case WLAN_CIPHER_SUITE_SMS4:
1179 key_type = WAPI_CRYPT;
1180 break;
bdcd8170
KV		 1181
1182 default:
1183 return -ENOTSUPP;
1184 }
1185
ddc3d77c
KV		 1186 if (((vif->auth_mode == WPA_PSK_AUTH) ||
1187 (vif->auth_mode == WPA2_PSK_AUTH)) &&
1188 (key_usage & GROUP_USAGE))
de3ad713 1189 del_timer(&vif->disconnect_timer);
bdcd8170
KV		 1190
1191 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1192 "%s: index %d, key_len %d, key_type 0x%x, key_usage 0x%x, seq_len %d\n",
1193 __func__, key_index, key->key_len, key_type,
1194 key_usage, key->seq_len);
1195
f5938f24 1196 if (vif->nw_type == AP_NETWORK && !pairwise &&
4703290a 1197 (key_type == TKIP_CRYPT || key_type == AES_CRYPT ||
cc4d623d 1198 key_type == WAPI_CRYPT)) {
9a5b1318
JM		 1199 ar->ap_mode_bkey.valid = true;
1200 ar->ap_mode_bkey.key_index = key_index;
1201 ar->ap_mode_bkey.key_type = key_type;
1202 ar->ap_mode_bkey.key_len = key->key_len;
1203 memcpy(ar->ap_mode_bkey.key, key->key, key->key_len);
59c98449 1204 if (!test_bit(CONNECTED, &vif->flags)) {
cdeb8602
KV		 1205 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1206 "Delay initial group key configuration until AP mode has been started\n");
9a5b1318
JM		 1207 /*
1208 * The key will be set in ath6kl_connect_ap_mode() once
1209 * the connected event is received from the target.
1210 */
1211 return 0;
1212 }
1213 }
1214
f5938f24 1215 if (vif->next_mode == AP_NETWORK && key_type == WEP_CRYPT &&
59c98449 1216 !test_bit(CONNECTED, &vif->flags)) {
151411e8
JM		 1217 /*
1218 * Store the key locally so that it can be re-configured after
1219 * the AP mode has properly started
1220 * (ath6kl_install_statioc_wep_keys).
1221 */
cdeb8602
KV		 1222 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1223 "Delay WEP key configuration until AP mode has been started\n");
6f2a73f9
VT		 1224 vif->wep_key_list[key_index].key_len = key->key_len;
1225 memcpy(vif->wep_key_list[key_index].key, key->key,
1226 key->key_len);
151411e8
JM		 1227 return 0;
1228 }
1229
7cefa44f 1230 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx, key_index,
f3e61ece
JM		 1231 key_type, key_usage, key->key_len,
1232 key->seq, key->seq_len, key->key,
1233 KEY_OP_INIT_VAL,
1234 (u8 *) mac_addr, SYNC_BOTH_WMIFLAG);
bdcd8170
KV		 1235}
1236
1237static int ath6kl_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
1238 u8 key_index, bool pairwise,
1239 const u8 *mac_addr)
1240{
d6d5c06c 1241 struct ath6kl *ar = ath6kl_priv(ndev);
6f2a73f9 1242 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170
KV		 1243
1244 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1245
990bd915 1246 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1247 return -EIO;
1248
792ecb33 1249 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1250 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1251 "%s: key index %d out of bounds\n", __func__,
1252 key_index);
1253 return -ENOENT;
1254 }
1255
6f2a73f9 1256 if (!vif->keys[key_index].key_len) {
bdcd8170
KV		 1257 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1258 "%s: index %d is empty\n", __func__, key_index);
1259 return 0;
1260 }
1261
6f2a73f9 1262 vif->keys[key_index].key_len = 0;
bdcd8170 1263
334234b5 1264 return ath6kl_wmi_deletekey_cmd(ar->wmi, vif->fw_vif_idx, key_index);
bdcd8170
KV		 1265}
1266
1267static int ath6kl_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
1268 u8 key_index, bool pairwise,
1269 const u8 *mac_addr, void *cookie,
1270 void (*callback) (void *cookie,
1271 struct key_params *))
1272{
6f2a73f9 1273 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170
KV		 1274 struct ath6kl_key *key = NULL;
1275 struct key_params params;
1276
1277 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1278
990bd915 1279 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1280 return -EIO;
1281
792ecb33 1282 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1283 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1284 "%s: key index %d out of bounds\n", __func__,
1285 key_index);
1286 return -ENOENT;
1287 }
1288
6f2a73f9 1289 key = &vif->keys[key_index];
bdcd8170
KV		 1290 memset(&params, 0, sizeof(params));
1291 params.cipher = key->cipher;
1292 params.key_len = key->key_len;
1293 params.seq_len = key->seq_len;
1294 params.seq = key->seq;
1295 params.key = key->key;
1296
1297 callback(cookie, &params);
1298
1299 return key->key_len ? 0 : -ENOENT;
1300}
1301
1302static int ath6kl_cfg80211_set_default_key(struct wiphy *wiphy,
1303 struct net_device *ndev,
1304 u8 key_index, bool unicast,
1305 bool multicast)
1306{
d6d5c06c 1307 struct ath6kl *ar = ath6kl_priv(ndev);
59c98449 1308 struct ath6kl_vif *vif = netdev_priv(ndev);
bdcd8170 1309 struct ath6kl_key *key = NULL;
bdcd8170 1310 u8 key_usage;
229ed6b5 1311 enum crypto_type key_type = NONE_CRYPT;
bdcd8170
KV		 1312
1313 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: index %d\n", __func__, key_index);
1314
990bd915 1315 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1316 return -EIO;
1317
792ecb33 1318 if (key_index > WMI_MAX_KEY_INDEX) {
bdcd8170
KV		 1319 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1320 "%s: key index %d out of bounds\n",
1321 __func__, key_index);
1322 return -ENOENT;
1323 }
1324
6f2a73f9 1325 if (!vif->keys[key_index].key_len) {
bdcd8170
KV		 1326 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: invalid key index %d\n",
1327 __func__, key_index);
1328 return -EINVAL;
1329 }
1330
3450334f 1331 vif->def_txkey_index = key_index;
6f2a73f9 1332 key = &vif->keys[vif->def_txkey_index];
bdcd8170 1333 key_usage = GROUP_USAGE;
3450334f 1334 if (vif->prwise_crypto == WEP_CRYPT)
bdcd8170 1335 key_usage |= TX_USAGE;
229ed6b5 1336 if (unicast)
3450334f 1337 key_type = vif->prwise_crypto;
229ed6b5 1338 if (multicast)
3450334f 1339 key_type = vif->grp_crypto;
bdcd8170 1340
f5938f24 1341 if (vif->next_mode == AP_NETWORK && !test_bit(CONNECTED, &vif->flags))
9a5b1318
JM		 1342 return 0; /* Delay until AP mode has been started */
1343
f3e61ece
JM		 1344 return ath6kl_wmi_addkey_cmd(ar->wmi, vif->fw_vif_idx,
1345 vif->def_txkey_index,
1346 key_type, key_usage,
1347 key->key_len, key->seq, key->seq_len,
1348 key->key,
1349 KEY_OP_INIT_VAL, NULL,
1350 SYNC_BOTH_WMIFLAG);
bdcd8170
KV		 1351}
1352
240d2799 1353void ath6kl_cfg80211_tkip_micerr_event(struct ath6kl_vif *vif, u8 keyid,
bdcd8170
KV		 1354 bool ismcast)
1355{
1356 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1357 "%s: keyid %d, ismcast %d\n", __func__, keyid, ismcast);
1358
240d2799 1359 cfg80211_michael_mic_failure(vif->ndev, vif->bssid,
bdcd8170
KV		 1360 (ismcast ? NL80211_KEYTYPE_GROUP :
1361 NL80211_KEYTYPE_PAIRWISE), keyid, NULL,
1362 GFP_KERNEL);
1363}
1364
1365static int ath6kl_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1366{
1367 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915 1368 struct ath6kl_vif *vif;
bdcd8170
KV		 1369 int ret;
1370
1371 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: changed 0x%x\n", __func__,
1372 changed);
1373
990bd915
VT		 1374 vif = ath6kl_vif_first(ar);
1375 if (!vif)
1376 return -EIO;
1377
1378 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1379 return -EIO;
1380
1381 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
1382 ret = ath6kl_wmi_set_rts_cmd(ar->wmi, wiphy->rts_threshold);
1383 if (ret != 0) {
1384 ath6kl_err("ath6kl_wmi_set_rts_cmd failed\n");
1385 return -EIO;
1386 }
1387 }
1388
1389 return 0;
1390}
1391
1392/*
1393 * The type nl80211_tx_power_setting replaces the following
1394 * data type from 2.6.36 onwards
1395*/
1396static int ath6kl_cfg80211_set_txpower(struct wiphy *wiphy,
1397 enum nl80211_tx_power_setting type,
b992a285 1398 int mbm)
bdcd8170
KV		 1399{
1400 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915 1401 struct ath6kl_vif *vif;
b992a285 1402 int dbm = MBM_TO_DBM(mbm);
bdcd8170
KV		 1403
1404 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x, dbm %d\n", __func__,
1405 type, dbm);
1406
990bd915
VT		 1407 vif = ath6kl_vif_first(ar);
1408 if (!vif)
1409 return -EIO;
1410
1411 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1412 return -EIO;
1413
1414 switch (type) {
1415 case NL80211_TX_POWER_AUTOMATIC:
1416 return 0;
1417 case NL80211_TX_POWER_LIMITED:
d0d670ab 1418 ar->tx_pwr = dbm;
bdcd8170
KV		 1419 break;
1420 default:
1421 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type 0x%x not supported\n",
1422 __func__, type);
1423 return -EOPNOTSUPP;
1424 }
1425
d0d670ab 1426 ath6kl_wmi_set_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx, dbm);
bdcd8170
KV		 1427
1428 return 0;
1429}
1430
1431static int ath6kl_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm)
1432{
1433 struct ath6kl *ar = (struct ath6kl *)wiphy_priv(wiphy);
990bd915
VT		 1434 struct ath6kl_vif *vif;
1435
1436 vif = ath6kl_vif_first(ar);
1437 if (!vif)
1438 return -EIO;
bdcd8170 1439
990bd915 1440 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1441 return -EIO;
1442
59c98449 1443 if (test_bit(CONNECTED, &vif->flags)) {
bdcd8170
KV		 1444 ar->tx_pwr = 0;
1445
990bd915 1446 if (ath6kl_wmi_get_tx_pwr_cmd(ar->wmi, vif->fw_vif_idx) != 0) {
bdcd8170
KV		 1447 ath6kl_err("ath6kl_wmi_get_tx_pwr_cmd failed\n");
1448 return -EIO;
1449 }
1450
1451 wait_event_interruptible_timeout(ar->event_wq, ar->tx_pwr != 0,
1452 5 * HZ);
1453
1454 if (signal_pending(current)) {
1455 ath6kl_err("target did not respond\n");
1456 return -EINTR;
1457 }
1458 }
1459
1460 *dbm = ar->tx_pwr;
1461 return 0;
1462}
1463
1464static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
1465 struct net_device *dev,
1466 bool pmgmt, int timeout)
1467{
1468 struct ath6kl *ar = ath6kl_priv(dev);
1469 struct wmi_power_mode_cmd mode;
334234b5 1470 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1471
1472 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: pmgmt %d, timeout %d\n",
1473 __func__, pmgmt, timeout);
1474
990bd915 1475 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1476 return -EIO;
1477
1478 if (pmgmt) {
f0ed67ec 1479 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: rec power\n", __func__);
bdcd8170
KV		 1480 mode.pwr_mode = REC_POWER;
1481 } else {
f0ed67ec 1482 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: max perf\n", __func__);
bdcd8170
KV		 1483 mode.pwr_mode = MAX_PERF_POWER;
1484 }
1485
334234b5 1486 if (ath6kl_wmi_powermode_cmd(ar->wmi, vif->fw_vif_idx,
96f1fadc 1487 mode.pwr_mode) != 0) {
bdcd8170
KV		 1488 ath6kl_err("wmi_powermode_cmd failed\n");
1489 return -EIO;
1490 }
1491
1492 return 0;
1493}
1494
84efbb84 1495static struct wireless_dev *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
552bff0c 1496 const char *name,
84efbb84
JB		 1497 enum nl80211_iftype type,
1498 u32 *flags,
1499 struct vif_params *params)
55055976
VT		 1500{
1501 struct ath6kl *ar = wiphy_priv(wiphy);
84efbb84 1502 struct wireless_dev *wdev;
55055976
VT		 1503 u8 if_idx, nw_type;
1504
71f96ee6 1505 if (ar->num_vif == ar->vif_max) {
55055976
VT		 1506 ath6kl_err("Reached maximum number of supported vif\n");
1507 return ERR_PTR(-EINVAL);
1508 }
1509
1510 if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
1511 ath6kl_err("Not a supported interface type\n");
1512 return ERR_PTR(-EINVAL);
1513 }
1514
84efbb84
JB		 1515 wdev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
1516 if (!wdev)
55055976
VT		 1517 return ERR_PTR(-ENOMEM);
1518
1519 ar->num_vif++;
1520
84efbb84 1521 return wdev;
55055976
VT		 1522}
1523
1524static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
84efbb84 1525 struct wireless_dev *wdev)
55055976
VT		 1526{
1527 struct ath6kl *ar = wiphy_priv(wiphy);
84efbb84 1528 struct ath6kl_vif *vif = netdev_priv(wdev->netdev);
55055976 1529
11f6e40d 1530 spin_lock_bh(&ar->list_lock);
55055976 1531 list_del(&vif->list);
11f6e40d 1532 spin_unlock_bh(&ar->list_lock);
55055976 1533
355b3a98 1534 ath6kl_cfg80211_vif_stop(vif, test_bit(WMI_READY, &ar->flag));
55055976 1535
c25889e8 1536 ath6kl_cfg80211_vif_cleanup(vif);
55055976
VT		 1537
1538 return 0;
1539}
1540
bdcd8170
KV		 1541static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
1542 struct net_device *ndev,
1543 enum nl80211_iftype type, u32 *flags,
1544 struct vif_params *params)
1545{
f5938f24 1546 struct ath6kl_vif *vif = netdev_priv(ndev);
1e8d13b0 1547 int i;
bdcd8170
KV		 1548
1549 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: type %u\n", __func__, type);
1550
1e8d13b0
VT		 1551 /*
1552 * Don't bring up p2p on an interface which is not initialized
1553 * for p2p operation where fw does not have capability to switch
1554 * dynamically between non-p2p and p2p type interface.
1555 */
1556 if (!test_bit(ATH6KL_FW_CAPABILITY_STA_P2PDEV_DUPLEX,
1557 vif->ar->fw_capabilities) &&
1558 (type == NL80211_IFTYPE_P2P_CLIENT ||
1559 type == NL80211_IFTYPE_P2P_GO)) {
1560 if (vif->ar->vif_max == 1) {
1561 if (vif->fw_vif_idx != 0)
1562 return -EINVAL;
1563 else
1564 goto set_iface_type;
1565 }
1566
1567 for (i = vif->ar->max_norm_iface; i < vif->ar->vif_max; i++) {
1568 if (i == vif->fw_vif_idx)
1569 break;
1570 }
1571
1572 if (i == vif->ar->vif_max) {
1573 ath6kl_err("Invalid interface to bring up P2P\n");
1574 return -EINVAL;
1575 }
1576 }
1577
c422d52d
TP		 1578 /* need to clean up enhanced bmiss detection fw state */
1579 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
1580
1e8d13b0 1581set_iface_type:
bdcd8170
KV		 1582 switch (type) {
1583 case NL80211_IFTYPE_STATION:
8aa659d2 1584 case NL80211_IFTYPE_P2P_CLIENT:
f5938f24 1585 vif->next_mode = INFRA_NETWORK;
bdcd8170
KV		 1586 break;
1587 case NL80211_IFTYPE_ADHOC:
f5938f24 1588 vif->next_mode = ADHOC_NETWORK;
bdcd8170 1589 break;
6e4604c8 1590 case NL80211_IFTYPE_AP:
6b5e5d25 1591 case NL80211_IFTYPE_P2P_GO:
f5938f24 1592 vif->next_mode = AP_NETWORK;
6b5e5d25 1593 break;
bdcd8170
KV		 1594 default:
1595 ath6kl_err("invalid interface type %u\n", type);
1596 return -EOPNOTSUPP;
1597 }
1598
551959d8 1599 vif->wdev.iftype = type;
bdcd8170
KV		 1600
1601 return 0;
1602}
1603
1604static int ath6kl_cfg80211_join_ibss(struct wiphy *wiphy,
1605 struct net_device *dev,
1606 struct cfg80211_ibss_params *ibss_param)
1607{
1608 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 1609 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1610 int status;
1611
990bd915 1612 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1613 return -EIO;
1614
3450334f
VT		 1615 vif->ssid_len = ibss_param->ssid_len;
1616 memcpy(vif->ssid, ibss_param->ssid, vif->ssid_len);
bdcd8170
KV		 1617
1618 if (ibss_param->channel)
f74bac54 1619 vif->ch_hint = ibss_param->channel->center_freq;
bdcd8170
KV		 1620
1621 if (ibss_param->channel_fixed) {
1622 /*
1623 * TODO: channel_fixed: The channel should be fixed, do not
1624 * search for IBSSs to join on other channels. Target
1625 * firmware does not support this feature, needs to be
1626 * updated.
1627 */
1628 return -EOPNOTSUPP;
1629 }
1630
8c8b65e3 1631 memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
bdcd8170 1632 if (ibss_param->bssid && !is_broadcast_ether_addr(ibss_param->bssid))
8c8b65e3
VT		 1633 memcpy(vif->req_bssid, ibss_param->bssid,
1634 sizeof(vif->req_bssid));
bdcd8170 1635
240d2799 1636 ath6kl_set_wpa_version(vif, 0);
bdcd8170 1637
240d2799 1638 status = ath6kl_set_auth_type(vif, NL80211_AUTHTYPE_OPEN_SYSTEM);
bdcd8170
KV		 1639 if (status)
1640 return status;
1641
1642 if (ibss_param->privacy) {
240d2799
VT		 1643 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, true);
1644 ath6kl_set_cipher(vif, WLAN_CIPHER_SUITE_WEP40, false);
bdcd8170 1645 } else {
240d2799
VT		 1646 ath6kl_set_cipher(vif, 0, true);
1647 ath6kl_set_cipher(vif, 0, false);
bdcd8170
KV		 1648 }
1649
f5938f24 1650 vif->nw_type = vif->next_mode;
bdcd8170
KV		 1651
1652 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1653 "%s: connect called with authmode %d dot11 auth %d"
1654 " PW crypto %d PW crypto len %d GRP crypto %d"
1655 " GRP crypto len %d channel hint %u\n",
1656 __func__,
3450334f
VT		 1657 vif->auth_mode, vif->dot11_auth_mode, vif->prwise_crypto,
1658 vif->prwise_crypto_len, vif->grp_crypto,
f74bac54 1659 vif->grp_crypto_len, vif->ch_hint);
bdcd8170 1660
334234b5 1661 status = ath6kl_wmi_connect_cmd(ar->wmi, vif->fw_vif_idx, vif->nw_type,
3450334f
VT		 1662 vif->dot11_auth_mode, vif->auth_mode,
1663 vif->prwise_crypto,
1664 vif->prwise_crypto_len,
1665 vif->grp_crypto, vif->grp_crypto_len,
1666 vif->ssid_len, vif->ssid,
f74bac54 1667 vif->req_bssid, vif->ch_hint,
3ca9d1fc 1668 ar->connect_ctrl_flags, SUBTYPE_NONE);
59c98449 1669 set_bit(CONNECT_PEND, &vif->flags);
bdcd8170
KV		 1670
1671 return 0;
1672}
1673
1674static int ath6kl_cfg80211_leave_ibss(struct wiphy *wiphy,
1675 struct net_device *dev)
1676{
3450334f 1677 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170 1678
990bd915 1679 if (!ath6kl_cfg80211_ready(vif))
bdcd8170
KV		 1680 return -EIO;
1681
240d2799 1682 ath6kl_disconnect(vif);
3450334f
VT		 1683 memset(vif->ssid, 0, sizeof(vif->ssid));
1684 vif->ssid_len = 0;
bdcd8170
KV		 1685
1686 return 0;
1687}
1688
1689static const u32 cipher_suites[] = {
1690 WLAN_CIPHER_SUITE_WEP40,
1691 WLAN_CIPHER_SUITE_WEP104,
1692 WLAN_CIPHER_SUITE_TKIP,
1693 WLAN_CIPHER_SUITE_CCMP,
837cb97e 1694 CCKM_KRK_CIPHER_SUITE,
5e07021e 1695 WLAN_CIPHER_SUITE_SMS4,
bdcd8170
KV		 1696};
1697
1698static bool is_rate_legacy(s32 rate)
1699{
1700 static const s32 legacy[] = { 1000, 2000, 5500, 11000,
1701 6000, 9000, 12000, 18000, 24000,
1702 36000, 48000, 54000
1703 };
1704 u8 i;
1705
1706 for (i = 0; i < ARRAY_SIZE(legacy); i++)
1707 if (rate == legacy[i])
1708 return true;
1709
1710 return false;
1711}
1712
1713static bool is_rate_ht20(s32 rate, u8 *mcs, bool *sgi)
1714{
1715 static const s32 ht20[] = { 6500, 13000, 19500, 26000, 39000,
1716 52000, 58500, 65000, 72200
1717 };
1718 u8 i;
1719
1720 for (i = 0; i < ARRAY_SIZE(ht20); i++) {
1721 if (rate == ht20[i]) {
1722 if (i == ARRAY_SIZE(ht20) - 1)
1723 /* last rate uses sgi */
1724 *sgi = true;
1725 else
1726 *sgi = false;
1727
1728 *mcs = i;
1729 return true;
1730 }
1731 }
1732 return false;
1733}
1734
1735static bool is_rate_ht40(s32 rate, u8 *mcs, bool *sgi)
1736{
1737 static const s32 ht40[] = { 13500, 27000, 40500, 54000,
1738 81000, 108000, 121500, 135000,
1739 150000
1740 };
1741 u8 i;
1742
1743 for (i = 0; i < ARRAY_SIZE(ht40); i++) {
1744 if (rate == ht40[i]) {
1745 if (i == ARRAY_SIZE(ht40) - 1)
1746 /* last rate uses sgi */
1747 *sgi = true;
1748 else
1749 *sgi = false;
1750
1751 *mcs = i;
1752 return true;
1753 }
1754 }
1755
1756 return false;
1757}
1758
1759static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev,
1760 u8 *mac, struct station_info *sinfo)
1761{
1762 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 1763 struct ath6kl_vif *vif = netdev_priv(dev);
bdcd8170
KV		 1764 long left;
1765 bool sgi;
1766 s32 rate;
1767 int ret;
1768 u8 mcs;
1769
8c8b65e3 1770 if (memcmp(mac, vif->bssid, ETH_ALEN) != 0)
bdcd8170
KV		 1771 return -ENOENT;
1772
1773 if (down_interruptible(&ar->sem))
1774 return -EBUSY;
1775
b95907a7 1776 set_bit(STATS_UPDATE_PEND, &vif->flags);
bdcd8170 1777
334234b5 1778 ret = ath6kl_wmi_get_stats_cmd(ar->wmi, vif->fw_vif_idx);
bdcd8170
KV		 1779
1780 if (ret != 0) {
1781 up(&ar->sem);
1782 return -EIO;
1783 }
1784
1785 left = wait_event_interruptible_timeout(ar->event_wq,
1786 !test_bit(STATS_UPDATE_PEND,
b95907a7 1787 &vif->flags),
bdcd8170
KV		 1788 WMI_TIMEOUT);
1789
1790 up(&ar->sem);
1791
1792 if (left == 0)
1793 return -ETIMEDOUT;
1794 else if (left < 0)
1795 return left;
1796
b95907a7
VT		 1797 if (vif->target_stats.rx_byte) {
1798 sinfo->rx_bytes = vif->target_stats.rx_byte;
bdcd8170 1799 sinfo->filled |= STATION_INFO_RX_BYTES;
b95907a7 1800 sinfo->rx_packets = vif->target_stats.rx_pkt;
bdcd8170
KV		 1801 sinfo->filled |= STATION_INFO_RX_PACKETS;
1802 }
1803
b95907a7
VT		 1804 if (vif->target_stats.tx_byte) {
1805 sinfo->tx_bytes = vif->target_stats.tx_byte;
bdcd8170 1806 sinfo->filled |= STATION_INFO_TX_BYTES;
b95907a7 1807 sinfo->tx_packets = vif->target_stats.tx_pkt;
bdcd8170
KV		 1808 sinfo->filled |= STATION_INFO_TX_PACKETS;
1809 }
1810
b95907a7 1811 sinfo->signal = vif->target_stats.cs_rssi;
bdcd8170
KV		 1812 sinfo->filled |= STATION_INFO_SIGNAL;
1813
b95907a7 1814 rate = vif->target_stats.tx_ucast_rate;
bdcd8170
KV		 1815
1816 if (is_rate_legacy(rate)) {
1817 sinfo->txrate.legacy = rate / 100;
1818 } else if (is_rate_ht20(rate, &mcs, &sgi)) {
1819 if (sgi) {
1820 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1821 sinfo->txrate.mcs = mcs - 1;
1822 } else {
1823 sinfo->txrate.mcs = mcs;
1824 }
1825
1826 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1827 } else if (is_rate_ht40(rate, &mcs, &sgi)) {
1828 if (sgi) {
1829 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
1830 sinfo->txrate.mcs = mcs - 1;
1831 } else {
1832 sinfo->txrate.mcs = mcs;
1833 }
1834
1835 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
1836 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
1837 } else {
9a730834
KV		 1838 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
1839 "invalid rate from stats: %d\n", rate);
1840 ath6kl_debug_war(ar, ATH6KL_WAR_INVALID_RATE);
bdcd8170
KV		 1841 return 0;
1842 }
1843
1844 sinfo->filled |= STATION_INFO_TX_BITRATE;
1845
59c98449
VT		 1846 if (test_bit(CONNECTED, &vif->flags) &&
1847 test_bit(DTIM_PERIOD_AVAIL, &vif->flags) &&
f5938f24 1848 vif->nw_type == INFRA_NETWORK) {
32c10874
JM		 1849 sinfo->filled |= STATION_INFO_BSS_PARAM;
1850 sinfo->bss_param.flags = 0;
cf5333d7
VT		 1851 sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period;
1852 sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int;
32c10874
JM		 1853 }
1854
bdcd8170
KV		 1855 return 0;
1856}
1857
1858static int ath6kl_set_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1859 struct cfg80211_pmksa *pmksa)
1860{
1861 struct ath6kl *ar = ath6kl_priv(netdev);
334234b5
VT		 1862 struct ath6kl_vif *vif = netdev_priv(netdev);
1863
1864 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
bdcd8170
KV		 1865 pmksa->pmkid, true);
1866}
1867
1868static int ath6kl_del_pmksa(struct wiphy *wiphy, struct net_device *netdev,
1869 struct cfg80211_pmksa *pmksa)
1870{
1871 struct ath6kl *ar = ath6kl_priv(netdev);
334234b5
VT		 1872 struct ath6kl_vif *vif = netdev_priv(netdev);
1873
1874 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx, pmksa->bssid,
bdcd8170
KV		 1875 pmksa->pmkid, false);
1876}
1877
1878static int ath6kl_flush_pmksa(struct wiphy *wiphy, struct net_device *netdev)
1879{
1880 struct ath6kl *ar = ath6kl_priv(netdev);
59c98449
VT		 1881 struct ath6kl_vif *vif = netdev_priv(netdev);
1882
1883 if (test_bit(CONNECTED, &vif->flags))
334234b5
VT		 1884 return ath6kl_wmi_setpmkid_cmd(ar->wmi, vif->fw_vif_idx,
1885 vif->bssid, NULL, false);
bdcd8170
KV		 1886 return 0;
1887}
1888
d91e8eee
RM		 1889static int ath6kl_wow_usr(struct ath6kl *ar, struct ath6kl_vif *vif,
1890 struct cfg80211_wowlan *wow, u32 *filter)
6cb3c714 1891{
d91e8eee 1892 int ret, pos;
2c07cf44 1893 u8 mask[WOW_PATTERN_SIZE];
6cb3c714 1894 u16 i;
6cb3c714 1895
d91e8eee 1896 /* Configure the patterns that we received from the user. */
6cb3c714
RM		 1897 for (i = 0; i < wow->n_patterns; i++) {
1898
1899 /*
1900 * Convert given nl80211 specific mask value to equivalent
1901 * driver specific mask value and send it to the chip along
1902 * with patterns. For example, If the mask value defined in
1903 * struct cfg80211_wowlan is 0xA (equivalent binary is 1010),
1904 * then equivalent driver specific mask value is
1905 * "0xFF 0x00 0xFF 0x00".
1906 */
1907 memset(&mask, 0, sizeof(mask));
1908 for (pos = 0; pos < wow->patterns[i].pattern_len; pos++) {
1909 if (wow->patterns[i].mask[pos / 8] & (0x1 << (pos % 8)))
1910 mask[pos] = 0xFF;
1911 }
1912 /*
1913 * Note: Pattern's offset is not passed as part of wowlan
1914 * parameter from CFG layer. So it's always passed as ZERO
1915 * to the firmware. It means, given WOW patterns are always
1916 * matched from the first byte of received pkt in the firmware.
1917 */
1918 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
d91e8eee
RM		 1919 vif->fw_vif_idx, WOW_LIST_ID,
1920 wow->patterns[i].pattern_len,
1921 0 /* pattern offset */,
1922 wow->patterns[i].pattern, mask);
6cb3c714
RM		 1923 if (ret)
1924 return ret;
1925 }
1926
d91e8eee
RM		 1927 if (wow->disconnect)
1928 *filter |= WOW_FILTER_OPTION_NWK_DISASSOC;
1929
1930 if (wow->magic_pkt)
1931 *filter |= WOW_FILTER_OPTION_MAGIC_PACKET;
1932
1933 if (wow->gtk_rekey_failure)
1934 *filter |= WOW_FILTER_OPTION_GTK_ERROR;
1935
1936 if (wow->eap_identity_req)
1937 *filter |= WOW_FILTER_OPTION_EAP_REQ;
1938
1939 if (wow->four_way_handshake)
1940 *filter |= WOW_FILTER_OPTION_8021X_4WAYHS;
1941
1942 return 0;
1943}
1944
1945static int ath6kl_wow_ap(struct ath6kl *ar, struct ath6kl_vif *vif)
1946{
1947 static const u8 unicst_pattern[] = { 0x00, 0x00, 0x00,
1948 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1949 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1950 0x00, 0x08 };
1951 static const u8 unicst_mask[] = { 0x01, 0x00, 0x00,
1952 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1953 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1954 0x00, 0x7f };
1955 u8 unicst_offset = 0;
1956 static const u8 arp_pattern[] = { 0x08, 0x06 };
1957 static const u8 arp_mask[] = { 0xff, 0xff };
1958 u8 arp_offset = 20;
1959 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
1960 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
1961 u8 discvr_offset = 38;
1962 static const u8 dhcp_pattern[] = { 0xff, 0xff, 0xff, 0xff,
1963 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1964 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
1965 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1966 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1967 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 /* port 67 */ };
1968 static const u8 dhcp_mask[] = { 0xff, 0xff, 0xff, 0xff,
1969 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1970 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff,
1971 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1972 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1973 0x00, 0x00, 0x00, 0x00, 0xff, 0xff /* port 67 */ };
1974 u8 dhcp_offset = 0;
1975 int ret;
1976
1977 /* Setup unicast IP, EAPOL-like and ARP pkt pattern */
1978 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1979 vif->fw_vif_idx, WOW_LIST_ID,
1980 sizeof(unicst_pattern), unicst_offset,
1981 unicst_pattern, unicst_mask);
1982 if (ret) {
1983 ath6kl_err("failed to add WOW unicast IP pattern\n");
1984 return ret;
1985 }
1986
1987 /* Setup all ARP pkt pattern */
1988 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
1989 vif->fw_vif_idx, WOW_LIST_ID,
1990 sizeof(arp_pattern), arp_offset,
1991 arp_pattern, arp_mask);
1992 if (ret) {
1993 ath6kl_err("failed to add WOW ARP pattern\n");
1994 return ret;
1995 }
1996
1997 /*
1998 * Setup multicast pattern for mDNS 224.0.0.251,
1999 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2000 */
2001 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2002 vif->fw_vif_idx, WOW_LIST_ID,
2003 sizeof(discvr_pattern), discvr_offset,
2004 discvr_pattern, discvr_mask);
2005 if (ret) {
2006 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
2007 return ret;
2008 }
2009
2010 /* Setup all DHCP broadcast pkt pattern */
2011 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2012 vif->fw_vif_idx, WOW_LIST_ID,
2013 sizeof(dhcp_pattern), dhcp_offset,
2014 dhcp_pattern, dhcp_mask);
2015 if (ret) {
2016 ath6kl_err("failed to add WOW DHCP broadcast pattern\n");
2017 return ret;
2018 }
2019
2020 return 0;
2021}
2022
2023static int ath6kl_wow_sta(struct ath6kl *ar, struct ath6kl_vif *vif)
2024{
2025 struct net_device *ndev = vif->ndev;
2026 static const u8 discvr_pattern[] = { 0xe0, 0x00, 0x00, 0xf8 };
2027 static const u8 discvr_mask[] = { 0xf0, 0x00, 0x00, 0xf8 };
2028 u8 discvr_offset = 38;
2029 u8 mac_mask[ETH_ALEN];
2030 int ret;
2031
2032 /* Setup unicast pkt pattern */
2033 memset(mac_mask, 0xff, ETH_ALEN);
2034 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2035 vif->fw_vif_idx, WOW_LIST_ID,
2036 ETH_ALEN, 0, ndev->dev_addr,
2037 mac_mask);
2038 if (ret) {
2039 ath6kl_err("failed to add WOW unicast pattern\n");
2040 return ret;
2041 }
2042
2043 /*
2044 * Setup multicast pattern for mDNS 224.0.0.251,
2045 * SSDP 239.255.255.250 and LLMNR 224.0.0.252
2046 */
2047 if ((ndev->flags & IFF_ALLMULTI) ||
2048 (ndev->flags & IFF_MULTICAST && netdev_mc_count(ndev) > 0)) {
2049 ret = ath6kl_wmi_add_wow_pattern_cmd(ar->wmi,
2050 vif->fw_vif_idx, WOW_LIST_ID,
2051 sizeof(discvr_pattern), discvr_offset,
2052 discvr_pattern, discvr_mask);
2053 if (ret) {
cdeb8602 2054 ath6kl_err("failed to add WOW mDNS/SSDP/LLMNR pattern\n");
d91e8eee
RM		 2055 return ret;
2056 }
2057 }
2058
2059 return 0;
2060}
2061
055bde49
RM		 2062static int is_hsleep_mode_procsed(struct ath6kl_vif *vif)
2063{
2064 return test_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2065}
2066
2067static bool is_ctrl_ep_empty(struct ath6kl *ar)
2068{
2069 return !ar->tx_pending[ar->ctrl_ep];
2070}
2071
2072static int ath6kl_cfg80211_host_sleep(struct ath6kl *ar, struct ath6kl_vif *vif)
2073{
2074 int ret, left;
2075
2076 clear_bit(HOST_SLEEP_MODE_CMD_PROCESSED, &vif->flags);
2077
2078 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2079 ATH6KL_HOST_MODE_ASLEEP);
2080 if (ret)
2081 return ret;
2082
2083 left = wait_event_interruptible_timeout(ar->event_wq,
2084 is_hsleep_mode_procsed(vif),
2085 WMI_TIMEOUT);
2086 if (left == 0) {
2087 ath6kl_warn("timeout, didn't get host sleep cmd processed event\n");
2088 ret = -ETIMEDOUT;
2089 } else if (left < 0) {
2090 ath6kl_warn("error while waiting for host sleep cmd processed event %d\n",
2091 left);
2092 ret = left;
2093 }
2094
2095 if (ar->tx_pending[ar->ctrl_ep]) {
2096 left = wait_event_interruptible_timeout(ar->event_wq,
2097 is_ctrl_ep_empty(ar),
2098 WMI_TIMEOUT);
2099 if (left == 0) {
2100 ath6kl_warn("clear wmi ctrl data timeout\n");
2101 ret = -ETIMEDOUT;
2102 } else if (left < 0) {
2103 ath6kl_warn("clear wmi ctrl data failed: %d\n", left);
2104 ret = left;
2105 }
2106 }
2107
2108 return ret;
2109}
2110
fd4377b6
TP		 2111static int ath6kl_wow_suspend_vif(struct ath6kl_vif *vif,
2112 struct cfg80211_wowlan *wow, u32 *filter)
d91e8eee 2113{
fd4377b6 2114 struct ath6kl *ar = vif->ar;
d91e8eee
RM		 2115 struct in_device *in_dev;
2116 struct in_ifaddr *ifa;
055bde49 2117 int ret;
ce0dc0cf 2118 u16 i, bmiss_time;
d91e8eee 2119 __be32 ips[MAX_IP_ADDRS];
fd4377b6 2120 u8 index = 0;
d91e8eee 2121
6821d4f0
NG		 2122 if (!test_bit(NETDEV_MCAST_ALL_ON, &vif->flags) &&
2123 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2124 ar->fw_capabilities)) {
6251d801
NG		 2125 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
2126 vif->fw_vif_idx, false);
2127 if (ret)
2128 return ret;
2129 }
2130
d91e8eee
RM		 2131 /* Clear existing WOW patterns */
2132 for (i = 0; i < WOW_MAX_FILTERS_PER_LIST; i++)
2133 ath6kl_wmi_del_wow_pattern_cmd(ar->wmi, vif->fw_vif_idx,
2134 WOW_LIST_ID, i);
2135
2136 /*
2137 * Skip the default WOW pattern configuration
2138 * if the driver receives any WOW patterns from
2139 * the user.
2140 */
2141 if (wow)
fd4377b6 2142 ret = ath6kl_wow_usr(ar, vif, wow, filter);
d91e8eee
RM		 2143 else if (vif->nw_type == AP_NETWORK)
2144 ret = ath6kl_wow_ap(ar, vif);
2145 else
2146 ret = ath6kl_wow_sta(ar, vif);
2147
2148 if (ret)
2149 return ret;
2150
390a8c8f
RM		 2151 netif_stop_queue(vif->ndev);
2152
ce0dc0cf
RM		 2153 if (vif->nw_type != AP_NETWORK) {
2154 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2155 ATH6KL_MAX_WOW_LISTEN_INTL,
2156 0);
2157 if (ret)
2158 return ret;
2159
2160 /* Set listen interval x 15 times as bmiss time */
2161 bmiss_time = ATH6KL_MAX_WOW_LISTEN_INTL * 15;
2162 if (bmiss_time > ATH6KL_MAX_BMISS_TIME)
2163 bmiss_time = ATH6KL_MAX_BMISS_TIME;
2164
2165 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2166 bmiss_time, 0);
2167 if (ret)
2168 return ret;
2169
2170 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2171 0xFFFF, 0, 0xFFFF, 0, 0, 0,
2172 0, 0, 0, 0);
2173 if (ret)
2174 return ret;
2175 }
2176
c08631c6
RM		 2177 /* Setup own IP addr for ARP agent. */
2178 in_dev = __in_dev_get_rtnl(vif->ndev);
2179 if (!in_dev)
fd4377b6 2180 return 0;
c08631c6
RM		 2181
2182 ifa = in_dev->ifa_list;
2183 memset(&ips, 0, sizeof(ips));
2184
2185 /* Configure IP addr only if IP address count < MAX_IP_ADDRS */
2186 while (index < MAX_IP_ADDRS && ifa) {
2187 ips[index] = ifa->ifa_local;
2188 ifa = ifa->ifa_next;
2189 index++;
2190 }
2191
2192 if (ifa) {
2193 ath6kl_err("total IP addr count is exceeding fw limit\n");
2194 return -EINVAL;
2195 }
2196
2197 ret = ath6kl_wmi_set_ip_cmd(ar->wmi, vif->fw_vif_idx, ips[0], ips[1]);
2198 if (ret) {
2199 ath6kl_err("fail to setup ip for arp agent\n");
2200 return ret;
2201 }
2202
fd4377b6
TP		 2203 return ret;
2204}
2205
2206static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
2207{
2208 struct ath6kl_vif *first_vif, *vif;
2209 int ret = 0;
2210 u32 filter = 0;
2211 bool connected = false;
2212
2213 /* enter / leave wow suspend on first vif always */
2214 first_vif = ath6kl_vif_first(ar);
2215 if (WARN_ON(unlikely(!first_vif)) ||
2216 !ath6kl_cfg80211_ready(first_vif))
2217 return -EIO;
2218
2219 if (wow && (wow->n_patterns > WOW_MAX_FILTERS_PER_LIST))
2220 return -EINVAL;
2221
2222 /* install filters for each connected vif */
2223 spin_lock_bh(&ar->list_lock);
2224 list_for_each_entry(vif, &ar->vif_list, list) {
2225 if (!test_bit(CONNECTED, &vif->flags) ||
2226 !ath6kl_cfg80211_ready(vif))
2227 continue;
2228 connected = true;
2229
2230 ret = ath6kl_wow_suspend_vif(vif, wow, &filter);
2231 if (ret)
2232 break;
2233 }
2234 spin_unlock_bh(&ar->list_lock);
2235
2236 if (!connected)
2237 return -ENOTCONN;
2238 else if (ret)
2239 return ret;
2240
2241 ar->state = ATH6KL_STATE_SUSPENDING;
2242
2243 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, first_vif->fw_vif_idx,
6cb3c714
RM		 2244 ATH6KL_WOW_MODE_ENABLE,
2245 filter,
2246 WOW_HOST_REQ_DELAY);
2247 if (ret)
2248 return ret;
2249
fd4377b6 2250 return ath6kl_cfg80211_host_sleep(ar, first_vif);
6cb3c714
RM		 2251}
2252
fd4377b6 2253static int ath6kl_wow_resume_vif(struct ath6kl_vif *vif)
6cb3c714 2254{
fd4377b6 2255 struct ath6kl *ar = vif->ar;
6cb3c714
RM		 2256 int ret;
2257
ce0dc0cf
RM		 2258 if (vif->nw_type != AP_NETWORK) {
2259 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2260 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2261 if (ret)
2262 return ret;
2263
2264 ret = ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
2265 vif->listen_intvl_t, 0);
2266 if (ret)
2267 return ret;
2268
2269 ret = ath6kl_wmi_bmisstime_cmd(ar->wmi, vif->fw_vif_idx,
2270 vif->bmiss_time_t, 0);
2271 if (ret)
2272 return ret;
2273 }
2274
6821d4f0
NG		 2275 if (!test_bit(NETDEV_MCAST_ALL_OFF, &vif->flags) &&
2276 test_bit(ATH6KL_FW_CAPABILITY_WOW_MULTICAST_FILTER,
2277 ar->fw_capabilities)) {
6251d801 2278 ret = ath6kl_wmi_mcast_filter_cmd(vif->ar->wmi,
fd4377b6 2279 vif->fw_vif_idx, true);
6251d801
NG		 2280 if (ret)
2281 return ret;
2282 }
2283
390a8c8f
RM		 2284 netif_wake_queue(vif->ndev);
2285
2286 return 0;
6cb3c714
RM		 2287}
2288
fd4377b6
TP		 2289static int ath6kl_wow_resume(struct ath6kl *ar)
2290{
2291 struct ath6kl_vif *vif;
2292 int ret;
2293
2294 vif = ath6kl_vif_first(ar);
2295 if (WARN_ON(unlikely(!vif)) ||
2296 !ath6kl_cfg80211_ready(vif))
2297 return -EIO;
2298
2299 ar->state = ATH6KL_STATE_RESUMING;
2300
2301 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2302 ATH6KL_HOST_MODE_AWAKE);
2303 if (ret) {
2304 ath6kl_warn("Failed to configure host sleep mode for wow resume: %d\n",
2305 ret);
2306 goto cleanup;
2307 }
2308
2309 spin_lock_bh(&ar->list_lock);
2310 list_for_each_entry(vif, &ar->vif_list, list) {
2311 if (!test_bit(CONNECTED, &vif->flags) ||
2312 !ath6kl_cfg80211_ready(vif))
2313 continue;
2314 ret = ath6kl_wow_resume_vif(vif);
2315 if (ret)
2316 break;
2317 }
2318 spin_unlock_bh(&ar->list_lock);
2319
2320 if (ret)
2321 goto cleanup;
2322
2323 ar->state = ATH6KL_STATE_ON;
2324 return 0;
2325
2326cleanup:
2327 ar->state = ATH6KL_STATE_WOW;
2328 return ret;
2329}
2330
40abc2de
RM		 2331static int ath6kl_cfg80211_deepsleep_suspend(struct ath6kl *ar)
2332{
2333 struct ath6kl_vif *vif;
2334 int ret;
2335
2336 vif = ath6kl_vif_first(ar);
2337 if (!vif)
2338 return -EIO;
2339
48f27587
MJ		 2340 if (!test_bit(WMI_READY, &ar->flag)) {
2341 ath6kl_err("deepsleep failed as wmi is not ready\n");
40abc2de 2342 return -EIO;
48f27587 2343 }
40abc2de
RM		 2344
2345 ath6kl_cfg80211_stop_all(ar);
2346
2347 /* Save the current power mode before enabling power save */
2348 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
2349
2350 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER);
2351 if (ret)
2352 return ret;
2353
2354 /* Disable WOW mode */
2355 ret = ath6kl_wmi_set_wow_mode_cmd(ar->wmi, vif->fw_vif_idx,
2356 ATH6KL_WOW_MODE_DISABLE,
2357 0, 0);
2358 if (ret)
2359 return ret;
2360
2361 /* Flush all non control pkts in TX path */
2362 ath6kl_tx_data_cleanup(ar);
2363
2364 ret = ath6kl_cfg80211_host_sleep(ar, vif);
2365 if (ret)
2366 return ret;
2367
2368 return 0;
2369}
2370
2371static int ath6kl_cfg80211_deepsleep_resume(struct ath6kl *ar)
2372{
2373 struct ath6kl_vif *vif;
2374 int ret;
2375
2376 vif = ath6kl_vif_first(ar);
2377
2378 if (!vif)
2379 return -EIO;
2380
2381 if (ar->wmi->pwr_mode != ar->wmi->saved_pwr_mode) {
2382 ret = ath6kl_wmi_powermode_cmd(ar->wmi, 0,
2383 ar->wmi->saved_pwr_mode);
2384 if (ret)
2385 return ret;
2386 }
2387
2388 ret = ath6kl_wmi_set_host_sleep_mode_cmd(ar->wmi, vif->fw_vif_idx,
2389 ATH6KL_HOST_MODE_AWAKE);
2390 if (ret)
2391 return ret;
2392
2393 ar->state = ATH6KL_STATE_ON;
2394
2395 /* Reset scan parameter to default values */
2396 ret = ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
2397 0, 0, 0, 0, 0, 0, 3, 0, 0, 0);
2398 if (ret)
2399 return ret;
2400
2401 return 0;
2402}
2403
52d81a68 2404int ath6kl_cfg80211_suspend(struct ath6kl *ar,
0f60e9f4
RM		 2405 enum ath6kl_cfg_suspend_mode mode,
2406 struct cfg80211_wowlan *wow)
52d81a68 2407{
3d79499c 2408 struct ath6kl_vif *vif;
390a8c8f 2409 enum ath6kl_state prev_state;
52d81a68
KV		 2410 int ret;
2411
52d81a68 2412 switch (mode) {
d7c44e0b
RM		 2413 case ATH6KL_CFG_SUSPEND_WOW:
2414
2415 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode suspend\n");
2416
2417 /* Flush all non control pkts in TX path */
2418 ath6kl_tx_data_cleanup(ar);
2419
390a8c8f
RM		 2420 prev_state = ar->state;
2421
d7c44e0b 2422 ret = ath6kl_wow_suspend(ar, wow);
390a8c8f
RM		 2423 if (ret) {
2424 ar->state = prev_state;
d7c44e0b 2425 return ret;
390a8c8f 2426 }
1e9a905d 2427
d7c44e0b
RM		 2428 ar->state = ATH6KL_STATE_WOW;
2429 break;
2430
52d81a68 2431 case ATH6KL_CFG_SUSPEND_DEEPSLEEP:
524441e3 2432
40abc2de 2433 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep suspend\n");
52d81a68 2434
40abc2de 2435 ret = ath6kl_cfg80211_deepsleep_suspend(ar);
52d81a68 2436 if (ret) {
40abc2de
RM		 2437 ath6kl_err("deepsleep suspend failed: %d\n", ret);
2438 return ret;
52d81a68
KV		 2439 }
2440
76a9fbe2
KV		 2441 ar->state = ATH6KL_STATE_DEEPSLEEP;
2442
52d81a68 2443 break;
b4b2a0b1
KV		 2444
2445 case ATH6KL_CFG_SUSPEND_CUTPOWER:
524441e3 2446
7125f01d 2447 ath6kl_cfg80211_stop_all(ar);
524441e3 2448
b4b2a0b1
KV		 2449 if (ar->state == ATH6KL_STATE_OFF) {
2450 ath6kl_dbg(ATH6KL_DBG_SUSPEND,
2451 "suspend hw off, no action for cutpower\n");
2452 break;
2453 }
2454
2455 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "suspend cutting power\n");
2456
2457 ret = ath6kl_init_hw_stop(ar);
2458 if (ret) {
2459 ath6kl_warn("failed to stop hw during suspend: %d\n",
2460 ret);
2461 }
2462
2463 ar->state = ATH6KL_STATE_CUTPOWER;
2464
2465 break;
2466
2467 default:
2468 break;
52d81a68
KV		 2469 }
2470
3d79499c
VN		 2471 list_for_each_entry(vif, &ar->vif_list, list)
2472 ath6kl_cfg80211_scan_complete_event(vif, true);
2473
52d81a68
KV		 2474 return 0;
2475}
d6a434d6 2476EXPORT_SYMBOL(ath6kl_cfg80211_suspend);
52d81a68
KV		 2477
2478int ath6kl_cfg80211_resume(struct ath6kl *ar)
2479{
76a9fbe2
KV		 2480 int ret;
2481
2482 switch (ar->state) {
d7c44e0b
RM		 2483 case ATH6KL_STATE_WOW:
2484 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "wow mode resume\n");
2485
2486 ret = ath6kl_wow_resume(ar);
2487 if (ret) {
2488 ath6kl_warn("wow mode resume failed: %d\n", ret);
2489 return ret;
2490 }
2491
d7c44e0b
RM		 2492 break;
2493
76a9fbe2 2494 case ATH6KL_STATE_DEEPSLEEP:
40abc2de 2495 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "deep sleep resume\n");
76a9fbe2 2496
40abc2de
RM		 2497 ret = ath6kl_cfg80211_deepsleep_resume(ar);
2498 if (ret) {
2499 ath6kl_warn("deep sleep resume failed: %d\n", ret);
2500 return ret;
2501 }
76a9fbe2
KV		 2502 break;
2503
b4b2a0b1
KV		 2504 case ATH6KL_STATE_CUTPOWER:
2505 ath6kl_dbg(ATH6KL_DBG_SUSPEND, "resume restoring power\n");
2506
2507 ret = ath6kl_init_hw_start(ar);
2508 if (ret) {
2509 ath6kl_warn("Failed to boot hw in resume: %d\n", ret);
2510 return ret;
2511 }
d7c44e0b 2512 break;
b4b2a0b1 2513
76a9fbe2
KV		 2514 default:
2515 break;
52d81a68
KV		 2516 }
2517
2518 return 0;
2519}
d6a434d6 2520EXPORT_SYMBOL(ath6kl_cfg80211_resume);
52d81a68 2521
abcb344b 2522#ifdef CONFIG_PM
52d81a68
KV		 2523
2524/* hif layer decides what suspend mode to use */
2525static int __ath6kl_cfg80211_suspend(struct wiphy *wiphy,
abcb344b
KV		 2526 struct cfg80211_wowlan *wow)
2527{
2528 struct ath6kl *ar = wiphy_priv(wiphy);
2529
84caf800
VT		 2530 ath6kl_recovery_suspend(ar);
2531
0f60e9f4 2532 return ath6kl_hif_suspend(ar, wow);
abcb344b 2533}
aa6cffc1 2534
52d81a68 2535static int __ath6kl_cfg80211_resume(struct wiphy *wiphy)
aa6cffc1
CN		 2536{
2537 struct ath6kl *ar = wiphy_priv(wiphy);
84caf800
VT		 2538 int err;
2539
2540 err = ath6kl_hif_resume(ar);
2541 if (err)
2542 return err;
aa6cffc1 2543
92332993 2544 ath6kl_recovery_resume(ar);
84caf800
VT		 2545
2546 return 0;
aa6cffc1 2547}
a918fb3c
RM		 2548
2549/*
2550 * FIXME: WOW suspend mode is selected if the host sdio controller supports
2551 * both sdio irq wake up and keep power. The target pulls sdio data line to
2552 * wake up the host when WOW pattern matches. This causes sdio irq handler
2553 * is being called in the host side which internally hits ath6kl's RX path.
2554 *
2555 * Since sdio interrupt is not disabled, RX path executes even before
2556 * the host executes the actual resume operation from PM module.
2557 *
2558 * In the current scenario, WOW resume should happen before start processing
2559 * any data from the target. So It's required to perform WOW resume in RX path.
2560 * Ideally we should perform WOW resume only in the actual platform
2561 * resume path. This area needs bit rework to avoid WOW resume in RX path.
2562 *
2563 * ath6kl_check_wow_status() is called from ath6kl_rx().
2564 */
2565void ath6kl_check_wow_status(struct ath6kl *ar)
2566{
390a8c8f
RM		 2567 if (ar->state == ATH6KL_STATE_SUSPENDING)
2568 return;
2569
a918fb3c
RM		 2570 if (ar->state == ATH6KL_STATE_WOW)
2571 ath6kl_cfg80211_resume(ar);
2572}
2573
2574#else
2575
2576void ath6kl_check_wow_status(struct ath6kl *ar)
2577{
2578}
abcb344b
KV		 2579#endif
2580
df90b369
VT		 2581static int ath6kl_set_htcap(struct ath6kl_vif *vif, enum ieee80211_band band,
2582 bool ht_enable)
6a7c9bad 2583{
67b3f129 2584 struct ath6kl_htcap *htcap = &vif->htcap[band];
6a7c9bad 2585
df90b369
VT		 2586 if (htcap->ht_enable == ht_enable)
2587 return 0;
6a7c9bad 2588
df90b369
VT		 2589 if (ht_enable) {
2590 /* Set default ht capabilities */
2591 htcap->ht_enable = true;
2592 htcap->cap_info = (band == IEEE80211_BAND_2GHZ) ?
2593 ath6kl_g_htcap : ath6kl_a_htcap;
2594 htcap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K;
2595 } else /* Disable ht */
2596 memset(htcap, 0, sizeof(*htcap));
6a7c9bad 2597
df90b369
VT		 2598 return ath6kl_wmi_set_htcap_cmd(vif->ar->wmi, vif->fw_vif_idx,
2599 band, htcap);
6a7c9bad
JM		 2600}
2601
37a2f950
TP		 2602static int ath6kl_restore_htcap(struct ath6kl_vif *vif)
2603{
2604 struct wiphy *wiphy = vif->ar->wiphy;
2605 int band, ret = 0;
2606
2607 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
2608 if (!wiphy->bands[band])
2609 continue;
2610
2611 ret = ath6kl_set_htcap(vif, band,
2612 wiphy->bands[band]->ht_cap.ht_supported);
2613 if (ret)
2614 return ret;
2615 }
2616
2617 return ret;
2618}
2619
8bdfbf40
JM		 2620static bool ath6kl_is_p2p_ie(const u8 *pos)
2621{
2622 return pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
2623 pos[2] == 0x50 && pos[3] == 0x6f &&
2624 pos[4] == 0x9a && pos[5] == 0x09;
2625}
2626
334234b5
VT		 2627static int ath6kl_set_ap_probe_resp_ies(struct ath6kl_vif *vif,
2628 const u8 *ies, size_t ies_len)
8bdfbf40 2629{
334234b5 2630 struct ath6kl *ar = vif->ar;
8bdfbf40
JM		 2631 const u8 *pos;
2632 u8 *buf = NULL;
2633 size_t len = 0;
2634 int ret;
2635
2636 /*
2637 * Filter out P2P IE(s) since they will be included depending on
2638 * the Probe Request frame in ath6kl_send_go_probe_resp().
2639 */
2640
2641 if (ies && ies_len) {
2642 buf = kmalloc(ies_len, GFP_KERNEL);
2643 if (buf == NULL)
2644 return -ENOMEM;
2645 pos = ies;
2646 while (pos + 1 < ies + ies_len) {
2647 if (pos + 2 + pos[1] > ies + ies_len)
2648 break;
2649 if (!ath6kl_is_p2p_ie(pos)) {
2650 memcpy(buf + len, pos, 2 + pos[1]);
2651 len += 2 + pos[1];
2652 }
2653 pos += 2 + pos[1];
2654 }
2655 }
2656
334234b5
VT		 2657 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2658 WMI_FRAME_PROBE_RESP, buf, len);
8bdfbf40
JM		 2659 kfree(buf);
2660 return ret;
2661}
2662
8860020e
JB		 2663static int ath6kl_set_ies(struct ath6kl_vif *vif,
2664 struct cfg80211_beacon_data *info)
6a7c9bad 2665{
8860020e 2666 struct ath6kl *ar = vif->ar;
6a7c9bad 2667 int res;
6a7c9bad 2668
17a7b16d
AT		 2669 /* this also clears IE in fw if it's not set */
2670 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2671 WMI_FRAME_BEACON,
2672 info->beacon_ies,
2673 info->beacon_ies_len);
2674 if (res)
2675 return res;
2676
2677 /* this also clears IE in fw if it's not set */
2678 res = ath6kl_set_ap_probe_resp_ies(vif, info->proberesp_ies,
2679 info->proberesp_ies_len);
2680 if (res)
2681 return res;
2682
2683 /* this also clears IE in fw if it's not set */
2684 res = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
2685 WMI_FRAME_ASSOC_RESP,
2686 info->assocresp_ies,
2687 info->assocresp_ies_len);
2688 if (res)
2689 return res;
6a7c9bad 2690
8860020e
JB		 2691 return 0;
2692}
2693
d97c121b
VT		 2694static int ath6kl_get_rsn_capab(struct cfg80211_beacon_data *beacon,
2695 u8 *rsn_capab)
2696{
2697 const u8 *rsn_ie;
2698 size_t rsn_ie_len;
2699 u16 cnt;
2700
2701 if (!beacon->tail)
2702 return -EINVAL;
2703
2704 rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, beacon->tail, beacon->tail_len);
2705 if (!rsn_ie)
2706 return -EINVAL;
2707
2708 rsn_ie_len = *(rsn_ie + 1);
2709 /* skip element id and length */
2710 rsn_ie += 2;
2711
9e8b16db
VT		 2712 /* skip version */
2713 if (rsn_ie_len < 2)
d97c121b 2714 return -EINVAL;
9e8b16db
VT		 2715 rsn_ie += 2;
2716 rsn_ie_len -= 2;
2717
2718 /* skip group cipher suite */
2719 if (rsn_ie_len < 4)
2720 return 0;
2721 rsn_ie += 4;
2722 rsn_ie_len -= 4;
d97c121b
VT		 2723
2724 /* skip pairwise cipher suite */
2725 if (rsn_ie_len < 2)
9e8b16db 2726 return 0;
798985c6 2727 cnt = get_unaligned_le16(rsn_ie);
d97c121b
VT		 2728 rsn_ie += (2 + cnt * 4);
2729 rsn_ie_len -= (2 + cnt * 4);
2730
2731 /* skip akm suite */
2732 if (rsn_ie_len < 2)
9e8b16db 2733 return 0;
798985c6 2734 cnt = get_unaligned_le16(rsn_ie);
d97c121b
VT		 2735 rsn_ie += (2 + cnt * 4);
2736 rsn_ie_len -= (2 + cnt * 4);
2737
2738 if (rsn_ie_len < 2)
9e8b16db 2739 return 0;
d97c121b
VT		 2740
2741 memcpy(rsn_capab, rsn_ie, 2);
2742
2743 return 0;
2744}
2745
8860020e
JB		 2746static int ath6kl_start_ap(struct wiphy *wiphy, struct net_device *dev,
2747 struct cfg80211_ap_settings *info)
6a7c9bad
JM		 2748{
2749 struct ath6kl *ar = ath6kl_priv(dev);
3450334f 2750 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2751 struct ieee80211_mgmt *mgmt;
67cd22e4 2752 bool hidden = false;
6a7c9bad
JM		 2753 u8 *ies;
2754 int ies_len;
2755 struct wmi_connect_cmd p;
2756 int res;
be5abaaf 2757 int i, ret;
d97c121b 2758 u16 rsn_capab = 0;
7ac25eac 2759 int inactivity_timeout = 0;
6a7c9bad 2760
8860020e 2761 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s:\n", __func__);
6a7c9bad 2762
990bd915 2763 if (!ath6kl_cfg80211_ready(vif))
6a7c9bad
JM		 2764 return -EIO;
2765
f5938f24 2766 if (vif->next_mode != AP_NETWORK)
6a7c9bad
JM		 2767 return -EOPNOTSUPP;
2768
8860020e 2769 res = ath6kl_set_ies(vif, &info->beacon);
6a7c9bad 2770
9a5b1318
JM		 2771 ar->ap_mode_bkey.valid = false;
2772
eb922e4b
MSS		 2773 ret = ath6kl_wmi_ap_set_beacon_intvl_cmd(ar->wmi, vif->fw_vif_idx,
2774 info->beacon_interval);
2775
2776 if (ret)
2777 ath6kl_warn("Failed to set beacon interval: %d\n", ret);
6a7c9bad 2778
d154f32e
EL		 2779 ret = ath6kl_wmi_ap_set_dtim_cmd(ar->wmi, vif->fw_vif_idx,
2780 info->dtim_period);
2781
2782 /* ignore error, just print a warning and continue normally */
2783 if (ret)
2784 ath6kl_warn("Failed to set dtim_period in beacon: %d\n", ret);
2785
8860020e 2786 if (info->beacon.head == NULL)
6a7c9bad 2787 return -EINVAL;
8860020e 2788 mgmt = (struct ieee80211_mgmt *) info->beacon.head;
6a7c9bad 2789 ies = mgmt->u.beacon.variable;
8860020e 2790 if (ies > info->beacon.head + info->beacon.head_len)
6a7c9bad 2791 return -EINVAL;
8860020e 2792 ies_len = info->beacon.head + info->beacon.head_len - ies;
6a7c9bad
JM		 2793
2794 if (info->ssid == NULL)
2795 return -EINVAL;
3450334f
VT		 2796 memcpy(vif->ssid, info->ssid, info->ssid_len);
2797 vif->ssid_len = info->ssid_len;
6a7c9bad 2798 if (info->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE)
67cd22e4
TP		 2799 hidden = true;
2800
2801 res = ath6kl_wmi_ap_hidden_ssid(ar->wmi, vif->fw_vif_idx, hidden);
2802 if (res)
2803 return res;
6a7c9bad 2804
be5abaaf
VT		 2805 ret = ath6kl_set_auth_type(vif, info->auth_type);
2806 if (ret)
2807 return ret;
6a7c9bad
JM		 2808
2809 memset(&p, 0, sizeof(p));
2810
2811 for (i = 0; i < info->crypto.n_akm_suites; i++) {
2812 switch (info->crypto.akm_suites[i]) {
2813 case WLAN_AKM_SUITE_8021X:
2814 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2815 p.auth_mode |= WPA_AUTH;
2816 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2817 p.auth_mode |= WPA2_AUTH;
2818 break;
2819 case WLAN_AKM_SUITE_PSK:
2820 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_1)
2821 p.auth_mode |= WPA_PSK_AUTH;
2822 if (info->crypto.wpa_versions & NL80211_WPA_VERSION_2)
2823 p.auth_mode |= WPA2_PSK_AUTH;
2824 break;
2825 }
2826 }
2827 if (p.auth_mode == 0)
2828 p.auth_mode = NONE_AUTH;
3450334f 2829 vif->auth_mode = p.auth_mode;
6a7c9bad
JM		 2830
2831 for (i = 0; i < info->crypto.n_ciphers_pairwise; i++) {
2832 switch (info->crypto.ciphers_pairwise[i]) {
2833 case WLAN_CIPHER_SUITE_WEP40:
2834 case WLAN_CIPHER_SUITE_WEP104:
2835 p.prwise_crypto_type |= WEP_CRYPT;
2836 break;
2837 case WLAN_CIPHER_SUITE_TKIP:
2838 p.prwise_crypto_type |= TKIP_CRYPT;
2839 break;
2840 case WLAN_CIPHER_SUITE_CCMP:
2841 p.prwise_crypto_type |= AES_CRYPT;
2842 break;
b8214df1
DS		 2843 case WLAN_CIPHER_SUITE_SMS4:
2844 p.prwise_crypto_type |= WAPI_CRYPT;
2845 break;
6a7c9bad
JM		 2846 }
2847 }
229ed6b5 2848 if (p.prwise_crypto_type == 0) {
6a7c9bad 2849 p.prwise_crypto_type = NONE_CRYPT;
240d2799 2850 ath6kl_set_cipher(vif, 0, true);
229ed6b5 2851 } else if (info->crypto.n_ciphers_pairwise == 1)
240d2799 2852 ath6kl_set_cipher(vif, info->crypto.ciphers_pairwise[0], true);
6a7c9bad
JM		 2853
2854 switch (info->crypto.cipher_group) {
2855 case WLAN_CIPHER_SUITE_WEP40:
2856 case WLAN_CIPHER_SUITE_WEP104:
2857 p.grp_crypto_type = WEP_CRYPT;
2858 break;
2859 case WLAN_CIPHER_SUITE_TKIP:
2860 p.grp_crypto_type = TKIP_CRYPT;
2861 break;
2862 case WLAN_CIPHER_SUITE_CCMP:
2863 p.grp_crypto_type = AES_CRYPT;
2864 break;
b8214df1
DS		 2865 case WLAN_CIPHER_SUITE_SMS4:
2866 p.grp_crypto_type = WAPI_CRYPT;
2867 break;
6a7c9bad
JM		 2868 default:
2869 p.grp_crypto_type = NONE_CRYPT;
2870 break;
2871 }
240d2799 2872 ath6kl_set_cipher(vif, info->crypto.cipher_group, false);
6a7c9bad
JM		 2873
2874 p.nw_type = AP_NETWORK;
f5938f24 2875 vif->nw_type = vif->next_mode;
6a7c9bad 2876
3450334f
VT		 2877 p.ssid_len = vif->ssid_len;
2878 memcpy(p.ssid, vif->ssid, vif->ssid_len);
2879 p.dot11_auth_mode = vif->dot11_auth_mode;
aa430da4 2880 p.ch = cpu_to_le16(info->channel->center_freq);
6a7c9bad 2881
c1762a3f
TP		 2882 /* Enable uAPSD support by default */
2883 res = ath6kl_wmi_ap_set_apsd(ar->wmi, vif->fw_vif_idx, true);
2884 if (res < 0)
2885 return res;
2886
3ca9d1fc
AT		 2887 if (vif->wdev.iftype == NL80211_IFTYPE_P2P_GO) {
2888 p.nw_subtype = SUBTYPE_P2PGO;
2889 } else {
2890 /*
2891 * Due to firmware limitation, it is not possible to
2892 * do P2P mgmt operations in AP mode
2893 */
2894 p.nw_subtype = SUBTYPE_NONE;
2895 }
2896
03bdeb0d 2897 if (info->inactivity_timeout) {
7ac25eac
MSS		 2898
2899 inactivity_timeout = info->inactivity_timeout;
2900
2901 if (ar->hw.flags & ATH6KL_HW_AP_INACTIVITY_MINS)
2902 inactivity_timeout = DIV_ROUND_UP(inactivity_timeout,
2903 60);
2904
03bdeb0d 2905 res = ath6kl_wmi_set_inact_period(ar->wmi, vif->fw_vif_idx,
7ac25eac 2906 inactivity_timeout);
03bdeb0d
VT		 2907 if (res < 0)
2908 return res;
2909 }
2910
aa430da4
JB		 2911 if (ath6kl_set_htcap(vif, info->channel->band,
2912 info->channel_type != NL80211_CHAN_NO_HT))
df90b369
VT		 2913 return -EIO;
2914
d97c121b
VT		 2915 /*
2916 * Get the PTKSA replay counter in the RSN IE. Supplicant
2917 * will use the RSN IE in M3 message and firmware has to
2918 * advertise the same in beacon/probe response. Send
2919 * the complete RSN IE capability field to firmware
2920 */
2921 if (!ath6kl_get_rsn_capab(&info->beacon, (u8 *) &rsn_capab) &&
2922 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
2923 ar->fw_capabilities)) {
2924 res = ath6kl_wmi_set_ie_cmd(ar->wmi, vif->fw_vif_idx,
2925 WLAN_EID_RSN, WMI_RSN_IE_CAPB,
2926 (const u8 *) &rsn_capab,
2927 sizeof(rsn_capab));
f21243a8 2928 vif->rsn_capab = rsn_capab;
d97c121b
VT		 2929 if (res < 0)
2930 return res;
2931 }
2932
c4f7863e 2933 memcpy(&vif->profile, &p, sizeof(p));
334234b5 2934 res = ath6kl_wmi_ap_profile_commit(ar->wmi, vif->fw_vif_idx, &p);
9a5b1318
JM		 2935 if (res < 0)
2936 return res;
2937
2938 return 0;
6a7c9bad
JM		 2939}
2940
8860020e
JB		 2941static int ath6kl_change_beacon(struct wiphy *wiphy, struct net_device *dev,
2942 struct cfg80211_beacon_data *beacon)
6a7c9bad 2943{
8860020e 2944 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2945
8860020e
JB		 2946 if (!ath6kl_cfg80211_ready(vif))
2947 return -EIO;
2948
2949 if (vif->next_mode != AP_NETWORK)
2950 return -EOPNOTSUPP;
2951
2952 return ath6kl_set_ies(vif, beacon);
6a7c9bad
JM		 2953}
2954
8860020e 2955static int ath6kl_stop_ap(struct wiphy *wiphy, struct net_device *dev)
6a7c9bad
JM		 2956{
2957 struct ath6kl *ar = ath6kl_priv(dev);
59c98449 2958 struct ath6kl_vif *vif = netdev_priv(dev);
6a7c9bad 2959
f5938f24 2960 if (vif->nw_type != AP_NETWORK)
6a7c9bad 2961 return -EOPNOTSUPP;
59c98449 2962 if (!test_bit(CONNECTED, &vif->flags))
6a7c9bad
JM		 2963 return -ENOTCONN;
2964
334234b5 2965 ath6kl_wmi_disconnect_cmd(ar->wmi, vif->fw_vif_idx);
59c98449 2966 clear_bit(CONNECTED, &vif->flags);
6a7c9bad 2967
df90b369 2968 /* Restore ht setting in firmware */
37a2f950 2969 return ath6kl_restore_htcap(vif);
6a7c9bad
JM		 2970}
2971
33e5308d
JM		 2972static const u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
2973
2974static int ath6kl_del_station(struct wiphy *wiphy, struct net_device *dev,
2975 u8 *mac)
2976{
2977 struct ath6kl *ar = ath6kl_priv(dev);
2978 struct ath6kl_vif *vif = netdev_priv(dev);
2979 const u8 *addr = mac ? mac : bcast_addr;
2980
2981 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx, WMI_AP_DEAUTH,
2982 addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
2983}
2984
23875136
JM		 2985static int ath6kl_change_station(struct wiphy *wiphy, struct net_device *dev,
2986 u8 *mac, struct station_parameters *params)
2987{
2988 struct ath6kl *ar = ath6kl_priv(dev);
f5938f24 2989 struct ath6kl_vif *vif = netdev_priv(dev);
23875136 2990
f5938f24 2991 if (vif->nw_type != AP_NETWORK)
23875136
JM		 2992 return -EOPNOTSUPP;
2993
2994 /* Use this only for authorizing/unauthorizing a station */
2995 if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)))
2996 return -EOPNOTSUPP;
2997
2998 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED))
334234b5
VT		 2999 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3000 WMI_AP_MLME_AUTHORIZE, mac, 0);
3001 return ath6kl_wmi_ap_set_mlme(ar->wmi, vif->fw_vif_idx,
3002 WMI_AP_MLME_UNAUTHORIZE, mac, 0);
23875136
JM		 3003}
3004
63fa1e0c 3005static int ath6kl_remain_on_channel(struct wiphy *wiphy,
71bbc994 3006 struct wireless_dev *wdev,
63fa1e0c
JM		 3007 struct ieee80211_channel *chan,
3008 enum nl80211_channel_type channel_type,
3009 unsigned int duration,
3010 u64 *cookie)
3011{
71bbc994
JB		 3012 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3013 struct ath6kl *ar = ath6kl_priv(vif->ndev);
1052261e 3014 u32 id;
63fa1e0c
JM		 3015
3016 /* TODO: if already pending or ongoing remain-on-channel,
3017 * return -EBUSY */
1052261e
JM		 3018 id = ++vif->last_roc_id;
3019 if (id == 0) {
3020 /* Do not use 0 as the cookie value */
3021 id = ++vif->last_roc_id;
3022 }
3023 *cookie = id;
63fa1e0c 3024
334234b5
VT		 3025 return ath6kl_wmi_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx,
3026 chan->center_freq, duration);
63fa1e0c
JM		 3027}
3028
3029static int ath6kl_cancel_remain_on_channel(struct wiphy *wiphy,
71bbc994 3030 struct wireless_dev *wdev,
63fa1e0c
JM		 3031 u64 cookie)
3032{
71bbc994
JB		 3033 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3034 struct ath6kl *ar = ath6kl_priv(vif->ndev);
63fa1e0c 3035
1052261e 3036 if (cookie != vif->last_roc_id)
63fa1e0c 3037 return -ENOENT;
1052261e 3038 vif->last_cancel_roc_id = cookie;
63fa1e0c 3039
334234b5 3040 return ath6kl_wmi_cancel_remain_on_chnl_cmd(ar->wmi, vif->fw_vif_idx);
63fa1e0c
JM		 3041}
3042
334234b5
VT		 3043static int ath6kl_send_go_probe_resp(struct ath6kl_vif *vif,
3044 const u8 *buf, size_t len,
3045 unsigned int freq)
8bdfbf40 3046{
334234b5 3047 struct ath6kl *ar = vif->ar;
8bdfbf40
JM		 3048 const u8 *pos;
3049 u8 *p2p;
3050 int p2p_len;
3051 int ret;
3052 const struct ieee80211_mgmt *mgmt;
3053
3054 mgmt = (const struct ieee80211_mgmt *) buf;
3055
3056 /* Include P2P IE(s) from the frame generated in user space. */
3057
3058 p2p = kmalloc(len, GFP_KERNEL);
3059 if (p2p == NULL)
3060 return -ENOMEM;
3061 p2p_len = 0;
3062
3063 pos = mgmt->u.probe_resp.variable;
3064 while (pos + 1 < buf + len) {
3065 if (pos + 2 + pos[1] > buf + len)
3066 break;
3067 if (ath6kl_is_p2p_ie(pos)) {
3068 memcpy(p2p + p2p_len, pos, 2 + pos[1]);
3069 p2p_len += 2 + pos[1];
3070 }
3071 pos += 2 + pos[1];
3072 }
3073
334234b5
VT		 3074 ret = ath6kl_wmi_send_probe_response_cmd(ar->wmi, vif->fw_vif_idx, freq,
3075 mgmt->da, p2p, p2p_len);
8bdfbf40
JM		 3076 kfree(p2p);
3077 return ret;
3078}
3079
d0ff7383
NG		 3080static bool ath6kl_mgmt_powersave_ap(struct ath6kl_vif *vif,
3081 u32 id,
3082 u32 freq,
3083 u32 wait,
3084 const u8 *buf,
3085 size_t len,
3086 bool *more_data,
3087 bool no_cck)
3088{
3089 struct ieee80211_mgmt *mgmt;
3090 struct ath6kl_sta *conn;
3091 bool is_psq_empty = false;
3092 struct ath6kl_mgmt_buff *mgmt_buf;
3093 size_t mgmt_buf_size;
3094 struct ath6kl *ar = vif->ar;
3095
3096 mgmt = (struct ieee80211_mgmt *) buf;
3097 if (is_multicast_ether_addr(mgmt->da))
3098 return false;
3099
3100 conn = ath6kl_find_sta(vif, mgmt->da);
3101 if (!conn)
3102 return false;
3103
3104 if (conn->sta_flags & STA_PS_SLEEP) {
3105 if (!(conn->sta_flags & STA_PS_POLLED)) {
3106 /* Queue the frames if the STA is sleeping */
3107 mgmt_buf_size = len + sizeof(struct ath6kl_mgmt_buff);
3108 mgmt_buf = kmalloc(mgmt_buf_size, GFP_KERNEL);
3109 if (!mgmt_buf)
3110 return false;
3111
3112 INIT_LIST_HEAD(&mgmt_buf->list);
3113 mgmt_buf->id = id;
3114 mgmt_buf->freq = freq;
3115 mgmt_buf->wait = wait;
3116 mgmt_buf->len = len;
3117 mgmt_buf->no_cck = no_cck;
3118 memcpy(mgmt_buf->buf, buf, len);
3119 spin_lock_bh(&conn->psq_lock);
3120 is_psq_empty = skb_queue_empty(&conn->psq) &&
3121 (conn->mgmt_psq_len == 0);
3122 list_add_tail(&mgmt_buf->list, &conn->mgmt_psq);
3123 conn->mgmt_psq_len++;
3124 spin_unlock_bh(&conn->psq_lock);
3125
3126 /*
3127 * If this is the first pkt getting queued
3128 * for this STA, update the PVB for this
3129 * STA.
3130 */
3131 if (is_psq_empty)
3132 ath6kl_wmi_set_pvb_cmd(ar->wmi, vif->fw_vif_idx,
3133 conn->aid, 1);
3134 return true;
3135 }
3136
3137 /*
3138 * This tx is because of a PsPoll.
3139 * Determine if MoreData bit has to be set.
3140 */
3141 spin_lock_bh(&conn->psq_lock);
3142 if (!skb_queue_empty(&conn->psq) || (conn->mgmt_psq_len != 0))
3143 *more_data = true;
3144 spin_unlock_bh(&conn->psq_lock);
3145 }
3146
3147 return false;
3148}
3149
c86e4f44
AT		 3150/* Check if SSID length is greater than DIRECT- */
3151static bool ath6kl_is_p2p_go_ssid(const u8 *buf, size_t len)
3152{
3153 const struct ieee80211_mgmt *mgmt;
3154 mgmt = (const struct ieee80211_mgmt *) buf;
3155
3156 /* variable[1] contains the SSID tag length */
3157 if (buf + len >= &mgmt->u.probe_resp.variable[1] &&
3158 (mgmt->u.probe_resp.variable[1] > P2P_WILDCARD_SSID_LEN)) {
3159 return true;
3160 }
3161
3162 return false;
3163}
3164
71bbc994 3165static int ath6kl_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
8a6c8060
JM		 3166 struct ieee80211_channel *chan, bool offchan,
3167 enum nl80211_channel_type channel_type,
3168 bool channel_type_valid, unsigned int wait,
e247bd90
JB		 3169 const u8 *buf, size_t len, bool no_cck,
3170 bool dont_wait_for_ack, u64 *cookie)
8a6c8060 3171{
71bbc994
JB		 3172 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
3173 struct ath6kl *ar = ath6kl_priv(vif->ndev);
8a6c8060 3174 u32 id;
8bdfbf40 3175 const struct ieee80211_mgmt *mgmt;
d0ff7383 3176 bool more_data, queued;
8bdfbf40
JM		 3177
3178 mgmt = (const struct ieee80211_mgmt *) buf;
c86e4f44
AT		 3179 if (vif->nw_type == AP_NETWORK && test_bit(CONNECTED, &vif->flags) &&
3180 ieee80211_is_probe_resp(mgmt->frame_control) &&
3181 ath6kl_is_p2p_go_ssid(buf, len)) {
8bdfbf40 3182 /*
c86e4f44 3183 * Send Probe Response frame in GO mode using a separate WMI
8bdfbf40
JM		 3184 * command to allow the target to fill in the generic IEs.
3185 */
3186 *cookie = 0; /* TX status not supported */
334234b5 3187 return ath6kl_send_go_probe_resp(vif, buf, len,
8bdfbf40
JM		 3188 chan->center_freq);
3189 }
8a6c8060 3190
cf5333d7 3191 id = vif->send_action_id++;
8a6c8060
JM		 3192 if (id == 0) {
3193 /*
3194 * 0 is a reserved value in the WMI command and shall not be
3195 * used for the command.
3196 */
cf5333d7 3197 id = vif->send_action_id++;
8a6c8060
JM		 3198 }
3199
3200 *cookie = id;
3ca9d1fc 3201
d0ff7383
NG		 3202 /* AP mode Power saving processing */
3203 if (vif->nw_type == AP_NETWORK) {
3204 queued = ath6kl_mgmt_powersave_ap(vif,
3205 id, chan->center_freq,
3206 wait, buf,
3207 len, &more_data, no_cck);
3208 if (queued)
3209 return 0;
3ca9d1fc 3210 }
d0ff7383
NG		 3211
3212 return ath6kl_wmi_send_mgmt_cmd(ar->wmi, vif->fw_vif_idx, id,
3213 chan->center_freq, wait,
3214 buf, len, no_cck);
8a6c8060
JM		 3215}
3216
ae32c30a 3217static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
71bbc994 3218 struct wireless_dev *wdev,
ae32c30a
JM		 3219 u16 frame_type, bool reg)
3220{
71bbc994 3221 struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
ae32c30a
JM		 3222
3223 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
3224 __func__, frame_type, reg);
3225 if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
3226 /*
3227 * Note: This notification callback is not allowed to sleep, so
3228 * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
3229 * hardcode target to report Probe Request frames all the time.
3230 */
cf5333d7 3231 vif->probe_req_report = reg;
ae32c30a
JM		 3232 }
3233}
3234
10509f90
KV		 3235static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
3236 struct net_device *dev,
3237 struct cfg80211_sched_scan_request *request)
3238{
3239 struct ath6kl *ar = ath6kl_priv(dev);
3240 struct ath6kl_vif *vif = netdev_priv(dev);
3241 u16 interval;
85b20fc2 3242 int ret, rssi_thold;
10509f90
KV		 3243
3244 if (ar->state != ATH6KL_STATE_ON)
3245 return -EIO;
3246
3247 if (vif->sme_state != SME_DISCONNECTED)
3248 return -EBUSY;
3249
b4d13d3b
KV		 3250 ath6kl_cfg80211_scan_complete_event(vif, true);
3251
3b8ffc6a 3252 ret = ath6kl_set_probed_ssids(ar, vif, request->ssids,
dd45b759
NS		 3253 request->n_ssids,
3254 request->match_sets,
3255 request->n_match_sets);
3b8ffc6a
JM		 3256 if (ret < 0)
3257 return ret;
10509f90 3258
dd45b759
NS		 3259 if (!request->n_match_sets) {
3260 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3261 ALL_BSS_FILTER, 0);
3262 if (ret < 0)
3263 return ret;
3264 } else {
3265 ret = ath6kl_wmi_bssfilter_cmd(ar->wmi, vif->fw_vif_idx,
3266 MATCHED_SSID_FILTER, 0);
3267 if (ret < 0)
3268 return ret;
3269 }
3270
85b20fc2
TP		 3271 if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD,
3272 ar->fw_capabilities)) {
3273 if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF)
3274 rssi_thold = 0;
3275 else if (request->rssi_thold < -127)
3276 rssi_thold = -127;
3277 else
3278 rssi_thold = request->rssi_thold;
3279
3280 ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx,
3281 rssi_thold);
3282 if (ret) {
3283 ath6kl_err("failed to set RSSI threshold for scan\n");
3284 return ret;
3285 }
3286 }
3287
10509f90
KV		 3288 /* fw uses seconds, also make sure that it's >0 */
3289 interval = max_t(u16, 1, request->interval / 1000);
3290
3291 ath6kl_wmi_scanparams_cmd(ar->wmi, vif->fw_vif_idx,
3292 interval, interval,
d472b5e4 3293 vif->bg_scan_period, 0, 0, 0, 3, 0, 0, 0);
10509f90 3294
10509f90
KV		 3295 /* this also clears IE in fw if it's not set */
3296 ret = ath6kl_wmi_set_appie_cmd(ar->wmi, vif->fw_vif_idx,
3297 WMI_FRAME_PROBE_REQ,
3298 request->ie, request->ie_len);
3299 if (ret) {
f1ff32e8 3300 ath6kl_warn("Failed to set probe request IE for scheduled scan: %d\n",
10509f90
KV		 3301 ret);
3302 return ret;
3303 }
3304
b1f47e3a
TP		 3305 ret = ath6kl_wmi_enable_sched_scan_cmd(ar->wmi, vif->fw_vif_idx, true);
3306 if (ret)
10509f90 3307 return ret;
10509f90 3308
b1f47e3a 3309 set_bit(SCHED_SCANNING, &vif->flags);
10509f90 3310
b1f47e3a 3311 return 0;
10509f90
KV		 3312}
3313
3314static int ath6kl_cfg80211_sscan_stop(struct wiphy *wiphy,
3315 struct net_device *dev)
3316{
3317 struct ath6kl_vif *vif = netdev_priv(dev);
3318 bool stopped;
3319
3320 stopped = __ath6kl_cfg80211_sscan_stop(vif);
3321
3322 if (!stopped)
3323 return -EIO;
3324
3325 return 0;
3326}
3327
06e360ac
BS		 3328static int ath6kl_cfg80211_set_bitrate(struct wiphy *wiphy,
3329 struct net_device *dev,
3330 const u8 *addr,
3331 const struct cfg80211_bitrate_mask *mask)
3332{
3333 struct ath6kl *ar = ath6kl_priv(dev);
3334 struct ath6kl_vif *vif = netdev_priv(dev);
3335
3336 return ath6kl_wmi_set_bitrate_mask(ar->wmi, vif->fw_vif_idx,
3337 mask);
3338}
3339
279b2862
TP		 3340static int ath6kl_cfg80211_set_txe_config(struct wiphy *wiphy,
3341 struct net_device *dev,
3342 u32 rate, u32 pkts, u32 intvl)
3343{
3344 struct ath6kl *ar = ath6kl_priv(dev);
3345 struct ath6kl_vif *vif = netdev_priv(dev);
3346
3347 if (vif->nw_type != INFRA_NETWORK ||
3348 !test_bit(ATH6KL_FW_CAPABILITY_TX_ERR_NOTIFY, ar->fw_capabilities))
3349 return -EOPNOTSUPP;
3350
3351 if (vif->sme_state != SME_CONNECTED)
3352 return -ENOTCONN;
3353
3354 /* save this since the firmware won't report the interval */
3355 vif->txe_intvl = intvl;
3356
3357 return ath6kl_wmi_set_txe_notify(ar->wmi, vif->fw_vif_idx,
3358 rate, pkts, intvl);
3359}
3360
f80574ae
JM		 3361static const struct ieee80211_txrx_stypes
3362ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
3363 [NL80211_IFTYPE_STATION] = {
3364 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3365 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3366 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3367 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3368 },
ba1f6fe3
JM		 3369 [NL80211_IFTYPE_AP] = {
3370 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3371 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3372 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3373 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3374 },
f80574ae
JM		 3375 [NL80211_IFTYPE_P2P_CLIENT] = {
3376 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3377 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3378 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3379 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3380 },
3381 [NL80211_IFTYPE_P2P_GO] = {
3382 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3383 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
3384 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
3385 BIT(IEEE80211_STYPE_PROBE_REQ >> 4)
3386 },
3387};
3388
bdcd8170 3389static struct cfg80211_ops ath6kl_cfg80211_ops = {
55055976
VT		 3390 .add_virtual_intf = ath6kl_cfg80211_add_iface,
3391 .del_virtual_intf = ath6kl_cfg80211_del_iface,
bdcd8170
KV		 3392 .change_virtual_intf = ath6kl_cfg80211_change_iface,
3393 .scan = ath6kl_cfg80211_scan,
3394 .connect = ath6kl_cfg80211_connect,
3395 .disconnect = ath6kl_cfg80211_disconnect,
3396 .add_key = ath6kl_cfg80211_add_key,
3397 .get_key = ath6kl_cfg80211_get_key,
3398 .del_key = ath6kl_cfg80211_del_key,
3399 .set_default_key = ath6kl_cfg80211_set_default_key,
3400 .set_wiphy_params = ath6kl_cfg80211_set_wiphy_params,
3401 .set_tx_power = ath6kl_cfg80211_set_txpower,
3402 .get_tx_power = ath6kl_cfg80211_get_txpower,
3403 .set_power_mgmt = ath6kl_cfg80211_set_power_mgmt,
3404 .join_ibss = ath6kl_cfg80211_join_ibss,
3405 .leave_ibss = ath6kl_cfg80211_leave_ibss,
3406 .get_station = ath6kl_get_station,
3407 .set_pmksa = ath6kl_set_pmksa,
3408 .del_pmksa = ath6kl_del_pmksa,
3409 .flush_pmksa = ath6kl_flush_pmksa,
003353b0 3410 CFG80211_TESTMODE_CMD(ath6kl_tm_cmd)
abcb344b 3411#ifdef CONFIG_PM
52d81a68
KV		 3412 .suspend = __ath6kl_cfg80211_suspend,
3413 .resume = __ath6kl_cfg80211_resume,
abcb344b 3414#endif
8860020e
JB		 3415 .start_ap = ath6kl_start_ap,
3416 .change_beacon = ath6kl_change_beacon,
3417 .stop_ap = ath6kl_stop_ap,
33e5308d 3418 .del_station = ath6kl_del_station,
23875136 3419 .change_station = ath6kl_change_station,
63fa1e0c
JM		 3420 .remain_on_channel = ath6kl_remain_on_channel,
3421 .cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
8a6c8060 3422 .mgmt_tx = ath6kl_mgmt_tx,
ae32c30a 3423 .mgmt_frame_register = ath6kl_mgmt_frame_register,
10509f90
KV		 3424 .sched_scan_start = ath6kl_cfg80211_sscan_start,
3425 .sched_scan_stop = ath6kl_cfg80211_sscan_stop,
06e360ac 3426 .set_bitrate_mask = ath6kl_cfg80211_set_bitrate,
279b2862 3427 .set_cqm_txe_config = ath6kl_cfg80211_set_txe_config,
bdcd8170
KV		 3428};
3429
7125f01d 3430void ath6kl_cfg80211_stop(struct ath6kl_vif *vif)
ec4b7f60 3431{
10509f90
KV		 3432 ath6kl_cfg80211_sscan_disable(vif);
3433
ec4b7f60 3434 switch (vif->sme_state) {
c97a31b0
KV		 3435 case SME_DISCONNECTED:
3436 break;
ec4b7f60
KV		 3437 case SME_CONNECTING:
3438 cfg80211_connect_result(vif->ndev, vif->bssid, NULL, 0,
3439 NULL, 0,
3440 WLAN_STATUS_UNSPECIFIED_FAILURE,
3441 GFP_KERNEL);
3442 break;
3443 case SME_CONNECTED:
ec4b7f60
KV		 3444 cfg80211_disconnected(vif->ndev, 0, NULL, 0, GFP_KERNEL);
3445 break;
3446 }
3447
58109df6
VT		 3448 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3449 (test_bit(CONNECTED, &vif->flags) ||
3450 test_bit(CONNECT_PEND, &vif->flags)))
7125f01d 3451 ath6kl_wmi_disconnect_cmd(vif->ar->wmi, vif->fw_vif_idx);
ec4b7f60
KV		 3452
3453 vif->sme_state = SME_DISCONNECTED;
1f405255
KV		 3454 clear_bit(CONNECTED, &vif->flags);
3455 clear_bit(CONNECT_PEND, &vif->flags);
ec4b7f60 3456
84caf800
VT		 3457 /* Stop netdev queues, needed during recovery */
3458 netif_stop_queue(vif->ndev);
3459 netif_carrier_off(vif->ndev);
3460
ec4b7f60 3461 /* disable scanning */
58109df6
VT		 3462 if (vif->ar->state != ATH6KL_STATE_RECOVERY &&
3463 ath6kl_wmi_scanparams_cmd(vif->ar->wmi, vif->fw_vif_idx, 0xFFFF,
7125f01d
KV		 3464 0, 0, 0, 0, 0, 0, 0, 0, 0) != 0)
3465 ath6kl_warn("failed to disable scan during stop\n");
ec4b7f60
KV		 3466
3467 ath6kl_cfg80211_scan_complete_event(vif, true);
3468}
3469
7125f01d
KV		 3470void ath6kl_cfg80211_stop_all(struct ath6kl *ar)
3471{
3472 struct ath6kl_vif *vif;
3473
3474 vif = ath6kl_vif_first(ar);
84caf800 3475 if (!vif && ar->state != ATH6KL_STATE_RECOVERY) {
7125f01d
KV		 3476 /* save the current power mode before enabling power save */
3477 ar->wmi->saved_pwr_mode = ar->wmi->pwr_mode;
3478
3479 if (ath6kl_wmi_powermode_cmd(ar->wmi, 0, REC_POWER) != 0)
cdeb8602 3480 ath6kl_warn("ath6kl_deep_sleep_enable: wmi_powermode_cmd failed\n");
7125f01d
KV		 3481 return;
3482 }
3483
3484 /*
3485 * FIXME: we should take ar->list_lock to protect changes in the
3486 * vif_list, but that's not trivial to do as ath6kl_cfg80211_stop()
3487 * sleeps.
3488 */
3489 list_for_each_entry(vif, &ar->vif_list, list)
3490 ath6kl_cfg80211_stop(vif);
3491}
3492
84841ba2
KV		 3493static int ath6kl_cfg80211_reg_notify(struct wiphy *wiphy,
3494 struct regulatory_request *request)
3495{
3496 struct ath6kl *ar = wiphy_priv(wiphy);
3497 u32 rates[IEEE80211_NUM_BANDS];
3498 int ret, i;
3499
3500 ath6kl_dbg(ATH6KL_DBG_WLAN_CFG,
ff7e6867 3501 "cfg reg_notify %c%c%s%s initiator %d hint_type %d\n",
84841ba2
KV		 3502 request->alpha2[0], request->alpha2[1],
3503 request->intersect ? " intersect" : "",
3504 request->processed ? " processed" : "",
ff7e6867
KV		 3505 request->initiator, request->user_reg_hint_type);
3506
3507 /*
3508 * As firmware is not able intersect regdoms, we can only listen to
3509 * cellular hints.
3510 */
3511 if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE)
3512 return -EOPNOTSUPP;
84841ba2
KV		 3513
3514 ret = ath6kl_wmi_set_regdomain_cmd(ar->wmi, request->alpha2);
3515 if (ret) {
3516 ath6kl_err("failed to set regdomain: %d\n", ret);
3517 return ret;
3518 }
3519
3520 /*
3521 * Firmware will apply the regdomain change only after a scan is
3522 * issued and it will send a WMI_REGDOMAIN_EVENTID when it has been
3523 * changed.
3524 */
3525
3526 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
3527 if (wiphy->bands[i])
3528 rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1;
3529
3530
3531 ret = ath6kl_wmi_beginscan_cmd(ar->wmi, 0, WMI_LONG_SCAN, false,
3532 false, 0, ATH6KL_FG_SCAN_INTERVAL,
3533 0, NULL, false, rates);
3534 if (ret) {
3535 ath6kl_err("failed to start scan for a regdomain change: %d\n",
3536 ret);
3537 return ret;
3538 }
3539
3540 return 0;
3541}
3542
c25889e8 3543static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif)
bdcd8170 3544{
7baef812 3545 vif->aggr_cntxt = aggr_init(vif);
2132c69c 3546 if (!vif->aggr_cntxt) {
8dafb70e
VT		 3547 ath6kl_err("failed to initialize aggr\n");
3548 return -ENOMEM;
3549 }
3550
de3ad713 3551 setup_timer(&vif->disconnect_timer, disconnect_timer_handler,
108438bc 3552 (unsigned long) vif->ndev);
10509f90
KV		 3553 setup_timer(&vif->sched_scan_timer, ath6kl_wmi_sscan_timer,
3554 (unsigned long) vif);
3555
de3ad713 3556 set_bit(WMM_ENABLED, &vif->flags);
478ac027 3557 spin_lock_init(&vif->if_lock);
bdcd8170 3558
80abaf9b
VT		 3559 INIT_LIST_HEAD(&vif->mc_filter);
3560
8dafb70e
VT		 3561 return 0;
3562}
3563
355b3a98
MSS		 3564void ath6kl_cfg80211_vif_stop(struct ath6kl_vif *vif, bool wmi_ready)
3565{
3566 static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
3567 bool discon_issued;
3568
3569 netif_stop_queue(vif->ndev);
3570
3571 clear_bit(WLAN_ENABLED, &vif->flags);
3572
3573 if (wmi_ready) {
3574 discon_issued = test_bit(CONNECTED, &vif->flags) ||
3575 test_bit(CONNECT_PEND, &vif->flags);
3576 ath6kl_disconnect(vif);
3577 del_timer(&vif->disconnect_timer);
3578
3579 if (discon_issued)
3580 ath6kl_disconnect_event(vif, DISCONNECT_CMD,
3581 (vif->nw_type & AP_NETWORK) ?
3582 bcast_mac : vif->bssid,
3583 0, NULL, 0);
3584 }
3585
3586 if (vif->scan_req) {
3587 cfg80211_scan_done(vif->scan_req, true);
3588 vif->scan_req = NULL;
3589 }
3590
3591 /* need to clean up enhanced bmiss detection fw state */
3592 ath6kl_cfg80211_sta_bmiss_enhance(vif, false);
3593}
3594
c25889e8 3595void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
8dafb70e 3596{
55055976 3597 struct ath6kl *ar = vif->ar;
80abaf9b 3598 struct ath6kl_mc_filter *mc_filter, *tmp;
55055976 3599
2132c69c 3600 aggr_module_destroy(vif->aggr_cntxt);
8dafb70e 3601
55055976
VT		 3602 ar->avail_idx_map |= BIT(vif->fw_vif_idx);
3603
3604 if (vif->nw_type == ADHOC_NETWORK)
3605 ar->ibss_if_active = false;
3606
80abaf9b
VT		 3607 list_for_each_entry_safe(mc_filter, tmp, &vif->mc_filter, list) {
3608 list_del(&mc_filter->list);
3609 kfree(mc_filter);
3610 }
3611
27929723 3612 unregister_netdevice(vif->ndev);
55055976
VT		 3613
3614 ar->num_vif--;
8dafb70e
VT		 3615}
3616
552bff0c 3617struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
84efbb84
JB		 3618 enum nl80211_iftype type,
3619 u8 fw_vif_idx, u8 nw_type)
8dafb70e
VT		 3620{
3621 struct net_device *ndev;
108438bc 3622 struct ath6kl_vif *vif;
8dafb70e 3623
55055976 3624 ndev = alloc_netdev(sizeof(*vif), name, ether_setup);
8dafb70e
VT		 3625 if (!ndev)
3626 return NULL;
3627
108438bc
VT		 3628 vif = netdev_priv(ndev);
3629 ndev->ieee80211_ptr = &vif->wdev;
3630 vif->wdev.wiphy = ar->wiphy;
3631 vif->ar = ar;
108438bc
VT		 3632 vif->ndev = ndev;
3633 SET_NETDEV_DEV(ndev, wiphy_dev(vif->wdev.wiphy));
3634 vif->wdev.netdev = ndev;
3635 vif->wdev.iftype = type;
334234b5 3636 vif->fw_vif_idx = fw_vif_idx;
d0d670ab
KV		 3637 vif->nw_type = nw_type;
3638 vif->next_mode = nw_type;
8f46fccd 3639 vif->listen_intvl_t = ATH6KL_DEFAULT_LISTEN_INTVAL;
ce0dc0cf 3640 vif->bmiss_time_t = ATH6KL_DEFAULT_BMISS_TIME;
eb38987e 3641 vif->bg_scan_period = 0;
67b3f129
KR		 3642 vif->htcap[IEEE80211_BAND_2GHZ].ht_enable = true;
3643 vif->htcap[IEEE80211_BAND_5GHZ].ht_enable = true;
8dafb70e 3644
55055976 3645 memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
c95dcb59 3646 if (fw_vif_idx != 0) {
55055976
VT		 3647 ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
3648 0x2;
c95dcb59
AT		 3649 if (test_bit(ATH6KL_FW_CAPABILITY_CUSTOM_MAC_ADDR,
3650 ar->fw_capabilities))
3651 ndev->dev_addr[4] ^= 0x80;
3652 }
55055976 3653
8dafb70e
VT		 3654 init_netdev(ndev);
3655
e29f25f5 3656 ath6kl_init_control_info(vif);
8dafb70e 3657
c25889e8 3658 if (ath6kl_cfg80211_vif_init(vif))
8dafb70e
VT		 3659 goto err;
3660
27929723 3661 if (register_netdevice(ndev))
8dafb70e
VT		 3662 goto err;
3663
55055976 3664 ar->avail_idx_map &= ~BIT(fw_vif_idx);
14ee6f6b 3665 vif->sme_state = SME_DISCONNECTED;
59c98449 3666 set_bit(WLAN_ENABLED, &vif->flags);
8dafb70e 3667 ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
59c98449 3668 set_bit(NETDEV_REGISTERED, &vif->flags);
8dafb70e 3669
55055976
VT		 3670 if (type == NL80211_IFTYPE_ADHOC)
3671 ar->ibss_if_active = true;
3672
11f6e40d 3673 spin_lock_bh(&ar->list_lock);
990bd915 3674 list_add_tail(&vif->list, &ar->vif_list);
11f6e40d 3675 spin_unlock_bh(&ar->list_lock);
990bd915 3676
84efbb84 3677 return &vif->wdev;
8dafb70e
VT		 3678
3679err:
27929723
VT		 3680 aggr_module_destroy(vif->aggr_cntxt);
3681 free_netdev(ndev);
8dafb70e
VT		 3682 return NULL;
3683}
3684
46d33a21
KV		 3685int ath6kl_cfg80211_init(struct ath6kl *ar)
3686{
3687 struct wiphy *wiphy = ar->wiphy;
d92917e4 3688 bool band_2gig = false, band_5gig = false, ht = false;
46d33a21
KV		 3689 int ret;
3690
3691 wiphy->mgmt_stypes = ath6kl_mgmt_stypes;
3692
3693 wiphy->max_remain_on_channel_duration = 5000;
3694
3695 /* set device pointer for wiphy */
3696 set_wiphy_dev(wiphy, ar->dev);
3697
3698 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3699 BIT(NL80211_IFTYPE_ADHOC) |
3700 BIT(NL80211_IFTYPE_AP);
3701 if (ar->p2p) {
3702 wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) |
3703 BIT(NL80211_IFTYPE_P2P_CLIENT);
3704 }
3705
84841ba2 3706 if (config_enabled(CONFIG_ATH6KL_REGDOMAIN) &&
ff7e6867 3707 test_bit(ATH6KL_FW_CAPABILITY_REGDOMAIN, ar->fw_capabilities)) {
84841ba2 3708 wiphy->reg_notifier = ath6kl_cfg80211_reg_notify;
ff7e6867
KV		 3709 ar->wiphy->features |= NL80211_FEATURE_CELL_BASE_REG_HINTS;
3710 }
84841ba2 3711
46d33a21 3712 /* max num of ssids that can be probed during scanning */
8ab5415d 3713 wiphy->max_scan_ssids = MAX_PROBED_SSIDS;
dd45b759
NS		 3714
3715 /* max num of ssids that can be matched after scan */
3716 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_MATCH_LIST,
3717 ar->fw_capabilities))
3718 wiphy->max_match_sets = MAX_PROBED_SSIDS;
3719
46d33a21 3720 wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */
d92917e4
TP		 3721 switch (ar->hw.cap) {
3722 case WMI_11AN_CAP:
3723 ht = true;
3724 case WMI_11A_CAP:
3725 band_5gig = true;
3726 break;
3727 case WMI_11GN_CAP:
3728 ht = true;
3729 case WMI_11G_CAP:
3730 band_2gig = true;
3731 break;
3732 case WMI_11AGN_CAP:
3733 ht = true;
3734 case WMI_11AG_CAP:
3735 band_2gig = true;
3736 band_5gig = true;
3737 break;
3738 default:
3739 ath6kl_err("invalid phy capability!\n");
3740 return -EINVAL;
3741 }
3742
7fd1ce7e
VT		 3743 /*
3744 * Even if the fw has HT support, advertise HT cap only when
3745 * the firmware has support to override RSN capability, otherwise
3746 * 4-way handshake would fail.
3747 */
3748 if (!(ht &&
3749 test_bit(ATH6KL_FW_CAPABILITY_RSN_CAP_OVERRIDE,
3750 ar->fw_capabilities))) {
d92917e4
TP		 3751 ath6kl_band_2ghz.ht_cap.cap = 0;
3752 ath6kl_band_2ghz.ht_cap.ht_supported = false;
3753 ath6kl_band_5ghz.ht_cap.cap = 0;
3754 ath6kl_band_5ghz.ht_cap.ht_supported = false;
3755 }
06e360ac 3756
c0b34e2b 3757 if (ar->hw.flags & ATH6KL_HW_64BIT_RATES) {
06e360ac
BS		 3758 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3759 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3760 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3761 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[1] = 0xff;
3762 } else {
3763 ath6kl_band_2ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3764 ath6kl_band_5ghz.ht_cap.mcs.rx_mask[0] = 0xff;
3765 }
3766
d92917e4
TP		 3767 if (band_2gig)
3768 wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz;
3769 if (band_5gig)
3770 wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz;
3771
46d33a21
KV		 3772 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
3773
3774 wiphy->cipher_suites = cipher_suites;
3775 wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
3776
dfb89c56 3777#ifdef CONFIG_PM
46d33a21
KV		 3778 wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT |
3779 WIPHY_WOWLAN_DISCONNECT |
3780 WIPHY_WOWLAN_GTK_REKEY_FAILURE |
3781 WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
3782 WIPHY_WOWLAN_EAP_IDENTITY_REQ |
3783 WIPHY_WOWLAN_4WAY_HANDSHAKE;
3784 wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST;
3785 wiphy->wowlan.pattern_min_len = 1;
3786 wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE;
dfb89c56 3787#endif
46d33a21 3788
8ab5415d 3789 wiphy->max_sched_scan_ssids = MAX_PROBED_SSIDS;
46d33a21 3790
f2afdac7
VT		 3791 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_FW_ROAM |
3792 WIPHY_FLAG_HAVE_AP_SME |
3793 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
3794 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
3795
b1f47e3a 3796 if (test_bit(ATH6KL_FW_CAPABILITY_SCHED_SCAN_V2, ar->fw_capabilities))
f2afdac7
VT		 3797 ar->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
3798
03bdeb0d
VT		 3799 if (test_bit(ATH6KL_FW_CAPABILITY_INACTIVITY_TIMEOUT,
3800 ar->fw_capabilities))
b292219f 3801 ar->wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
03bdeb0d 3802
f2afdac7
VT		 3803 ar->wiphy->probe_resp_offload =
3804 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
3805 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
a432e7cc 3806 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
f2afdac7 3807
46d33a21
KV		 3808 ret = wiphy_register(wiphy);
3809 if (ret < 0) {
3810 ath6kl_err("couldn't register wiphy device\n");
3811 return ret;
3812 }
3813
e5348a1e
VT		 3814 ar->wiphy_registered = true;
3815
46d33a21
KV		 3816 return 0;
3817}
3818
3819void ath6kl_cfg80211_cleanup(struct ath6kl *ar)
8dafb70e 3820{
be98e3a4 3821 wiphy_unregister(ar->wiphy);
e5348a1e
VT		 3822
3823 ar->wiphy_registered = false;
45eaa78f 3824}
46d33a21 3825
45eaa78f
KV		 3826struct ath6kl *ath6kl_cfg80211_create(void)
3827{
3828 struct ath6kl *ar;
3829 struct wiphy *wiphy;
3830
3831 /* create a new wiphy for use with cfg80211 */
3832 wiphy = wiphy_new(&ath6kl_cfg80211_ops, sizeof(struct ath6kl));
3833
3834 if (!wiphy) {
3835 ath6kl_err("couldn't allocate wiphy device\n");
3836 return NULL;
3837 }
3838
3839 ar = wiphy_priv(wiphy);
3840 ar->wiphy = wiphy;
3841
3842 return ar;
3843}
3844
3845/* Note: ar variable must not be accessed after calling this! */
3846void ath6kl_cfg80211_destroy(struct ath6kl *ar)
3847{
1d2a4456
VT		 3848 int i;
3849
3850 for (i = 0; i < AP_MAX_NUM_STA; i++)
3851 kfree(ar->sta_list[i].aggr_conn);
3852
be98e3a4 3853 wiphy_free(ar->wiphy);
bdcd8170 3854}
45eaa78f 3855
Linux kernel - Deliverables
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