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Merge branch 'for-linus' of git://git.kernel.dk/linux-block
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / mwifiex / cfg80211.c
CommitLineData
5e6e3a92
BZ		 1/*
2 * Marvell Wireless LAN device driver: CFG80211
3 *
4 * Copyright (C) 2011, Marvell International Ltd.
5 *
6 * This software file (the "File") is distributed by Marvell International
7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8 * (the "License"). You may use, redistribute and/or modify this File in
9 * accordance with the terms and conditions of the License, a copy of which
10 * is available by writing to the Free Software Foundation, Inc.,
11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13 *
14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about
17 * this warranty disclaimer.
18 */
19
20#include "cfg80211.h"
21#include "main.h"
22
cd8440da
AP		 23static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
24 {
197f4a2e 25 .max = 2, .types = BIT(NL80211_IFTYPE_STATION),
cd8440da
AP		 26 },
27 {
28 .max = 1, .types = BIT(NL80211_IFTYPE_AP),
29 },
30};
31
32static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = {
33 .limits = mwifiex_ap_sta_limits,
34 .num_different_channels = 1,
35 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
36 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
37 .beacon_int_infra_match = true,
38};
39
cc0ba0d5
AK		 40static const struct ieee80211_regdomain mwifiex_world_regdom_custom = {
41 .n_reg_rules = 7,
42 .alpha2 = "99",
43 .reg_rules = {
44 /* Channel 1 - 11 */
45 REG_RULE(2412-10, 2462+10, 40, 3, 20, 0),
46 /* Channel 12 - 13 */
47 REG_RULE(2467-10, 2472+10, 20, 3, 20,
48 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
49 /* Channel 14 */
50 REG_RULE(2484-10, 2484+10, 20, 3, 20,
51 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
52 NL80211_RRF_NO_OFDM),
53 /* Channel 36 - 48 */
54 REG_RULE(5180-10, 5240+10, 40, 3, 20,
55 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
56 /* Channel 149 - 165 */
57 REG_RULE(5745-10, 5825+10, 40, 3, 20,
58 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS),
59 /* Channel 52 - 64 */
60 REG_RULE(5260-10, 5320+10, 40, 3, 30,
61 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
62 NL80211_RRF_DFS),
63 /* Channel 100 - 140 */
64 REG_RULE(5500-10, 5700+10, 40, 3, 30,
65 NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS |
66 NL80211_RRF_DFS),
67 }
68};
69
5e6e3a92
BZ		 70/*
71 * This function maps the nl802.11 channel type into driver channel type.
72 *
73 * The mapping is as follows -
21c3ba34
AK		 74 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
75 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
76 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
77 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
78 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
5e6e3a92 79 */
7feb4c48 80u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
5e6e3a92 81{
05910f4a 82 switch (chan_type) {
5e6e3a92
BZ		 83 case NL80211_CHAN_NO_HT:
84 case NL80211_CHAN_HT20:
21c3ba34 85 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
5e6e3a92 86 case NL80211_CHAN_HT40PLUS:
21c3ba34 87 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
5e6e3a92 88 case NL80211_CHAN_HT40MINUS:
21c3ba34 89 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
5e6e3a92 90 default:
21c3ba34 91 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
5e6e3a92 92 }
5e6e3a92
BZ		 93}
94
5e6e3a92
BZ		 95/*
96 * This function checks whether WEP is set.
97 */
98static int
99mwifiex_is_alg_wep(u32 cipher)
100{
5e6e3a92 101 switch (cipher) {
2be50b8d
YAP		 102 case WLAN_CIPHER_SUITE_WEP40:
103 case WLAN_CIPHER_SUITE_WEP104:
270e58e8 104 return 1;
5e6e3a92 105 default:
5e6e3a92
BZ		 106 break;
107 }
270e58e8
YAP		 108
109 return 0;
5e6e3a92
BZ		 110}
111
5e6e3a92
BZ		 112/*
113 * This function retrieves the private structure from kernel wiphy structure.
114 */
67fdf39e 115static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
5e6e3a92
BZ		 116{
117 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
118}
119
120/*
121 * CFG802.11 operation handler to delete a network key.
122 */
123static int
124mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
125 u8 key_index, bool pairwise, const u8 *mac_addr)
126{
f540f9f3 127 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
75edd2c6
AP		 128 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
129 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 130
53b11231 131 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
5e6e3a92
BZ		 132 wiphy_err(wiphy, "deleting the crypto keys\n");
133 return -EFAULT;
134 }
135
136 wiphy_dbg(wiphy, "info: crypto keys deleted\n");
137 return 0;
138}
139
e39faa73
SP		 140/*
141 * This function forms an skb for management frame.
142 */
143static int
144mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
145{
146 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
147 u16 pkt_len;
148 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
149 struct timeval tv;
150
151 pkt_len = len + ETH_ALEN;
152
153 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
154 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
155 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
156
157 memcpy(skb_push(skb, sizeof(tx_control)),
158 &tx_control, sizeof(tx_control));
159
160 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
161
162 /* Add packet data and address4 */
163 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
164 sizeof(struct ieee80211_hdr_3addr));
165 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
166 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
167 buf + sizeof(struct ieee80211_hdr_3addr),
168 len - sizeof(struct ieee80211_hdr_3addr));
169
170 skb->priority = LOW_PRIO_TID;
171 do_gettimeofday(&tv);
172 skb->tstamp = timeval_to_ktime(tv);
173
174 return 0;
175}
176
177/*
178 * CFG802.11 operation handler to transmit a management frame.
179 */
180static int
181mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
182 struct ieee80211_channel *chan, bool offchan,
42d97a59
JB		 183 unsigned int wait, const u8 *buf, size_t len,
184 bool no_cck, bool dont_wait_for_ack, u64 *cookie)
e39faa73
SP		 185{
186 struct sk_buff *skb;
187 u16 pkt_len;
188 const struct ieee80211_mgmt *mgmt;
189 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
190
191 if (!buf || !len) {
192 wiphy_err(wiphy, "invalid buffer and length\n");
193 return -EFAULT;
194 }
195
196 mgmt = (const struct ieee80211_mgmt *)buf;
197 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
198 ieee80211_is_probe_resp(mgmt->frame_control)) {
199 /* Since we support offload probe resp, we need to skip probe
200 * resp in AP or GO mode */
201 wiphy_dbg(wiphy,
202 "info: skip to send probe resp in AP or GO mode\n");
203 return 0;
204 }
205
206 pkt_len = len + ETH_ALEN;
207 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
208 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
209 pkt_len + sizeof(pkt_len));
210
211 if (!skb) {
212 wiphy_err(wiphy, "allocate skb failed for management frame\n");
213 return -ENOMEM;
214 }
215
216 mwifiex_form_mgmt_frame(skb, buf, len);
217 mwifiex_queue_tx_pkt(priv, skb);
218
e00adf39 219 *cookie = prandom_u32() | 1;
e39faa73
SP		 220 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC);
221
222 wiphy_dbg(wiphy, "info: management frame transmitted\n");
223 return 0;
224}
225
3cec6870
SP		 226/*
227 * CFG802.11 operation handler to register a mgmt frame.
228 */
229static void
230mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
231 struct wireless_dev *wdev,
232 u16 frame_type, bool reg)
233{
234 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
235
236 if (reg)
237 priv->mgmt_frame_mask |= BIT(frame_type >> 4);
238 else
239 priv->mgmt_frame_mask &= ~BIT(frame_type >> 4);
240
241 mwifiex_send_cmd_async(priv, HostCmd_CMD_MGMT_FRAME_REG,
242 HostCmd_ACT_GEN_SET, 0, &priv->mgmt_frame_mask);
243
244 wiphy_dbg(wiphy, "info: mgmt frame registered\n");
245}
246
7feb4c48
SP		 247/*
248 * CFG802.11 operation handler to remain on channel.
249 */
250static int
251mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
252 struct wireless_dev *wdev,
253 struct ieee80211_channel *chan,
7feb4c48
SP		 254 unsigned int duration, u64 *cookie)
255{
256 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
257 int ret;
258
259 if (!chan || !cookie) {
260 wiphy_err(wiphy, "Invalid parameter for ROC\n");
261 return -EINVAL;
262 }
263
264 if (priv->roc_cfg.cookie) {
265 wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n",
266 priv->roc_cfg.cookie);
267 return -EBUSY;
268 }
269
270 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
42d97a59 271 duration);
7feb4c48
SP		 272
273 if (!ret) {
e00adf39 274 *cookie = prandom_u32() | 1;
7feb4c48
SP		 275 priv->roc_cfg.cookie = *cookie;
276 priv->roc_cfg.chan = *chan;
7feb4c48 277
42d97a59 278 cfg80211_ready_on_channel(wdev, *cookie, chan,
7feb4c48
SP		 279 duration, GFP_ATOMIC);
280
281 wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
282 }
283
284 return ret;
285}
286
287/*
288 * CFG802.11 operation handler to cancel remain on channel.
289 */
290static int
291mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
292 struct wireless_dev *wdev, u64 cookie)
293{
294 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
295 int ret;
296
297 if (cookie != priv->roc_cfg.cookie)
298 return -ENOENT;
299
300 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
42d97a59 301 &priv->roc_cfg.chan, 0);
7feb4c48
SP		 302
303 if (!ret) {
304 cfg80211_remain_on_channel_expired(wdev, cookie,
305 &priv->roc_cfg.chan,
7feb4c48
SP		 306 GFP_ATOMIC);
307
308 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
309
310 wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
311 }
312
313 return ret;
314}
315
5e6e3a92
BZ		 316/*
317 * CFG802.11 operation handler to set Tx power.
318 */
319static int
320mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
c8442118 321 struct wireless_dev *wdev,
5e6e3a92 322 enum nl80211_tx_power_setting type,
742c29fd 323 int mbm)
5e6e3a92 324{
67fdf39e
AP		 325 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
326 struct mwifiex_private *priv;
600f5d90 327 struct mwifiex_power_cfg power_cfg;
742c29fd 328 int dbm = MBM_TO_DBM(mbm);
5e6e3a92 329
600f5d90
AK		 330 if (type == NL80211_TX_POWER_FIXED) {
331 power_cfg.is_power_auto = 0;
332 power_cfg.power_level = dbm;
333 } else {
334 power_cfg.is_power_auto = 1;
335 }
336
67fdf39e
AP		 337 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
338
636c4598 339 return mwifiex_set_tx_power(priv, &power_cfg);
5e6e3a92
BZ		 340}
341
342/*
343 * CFG802.11 operation handler to set Power Save option.
344 *
345 * The timeout value, if provided, is currently ignored.
346 */
347static int
348mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
349 struct net_device *dev,
350 bool enabled, int timeout)
351{
f540f9f3 352 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
600f5d90 353 u32 ps_mode;
5e6e3a92
BZ		 354
355 if (timeout)
356 wiphy_dbg(wiphy,
aea0701e 357 "info: ignore timeout value for IEEE Power Save\n");
5e6e3a92 358
600f5d90 359 ps_mode = enabled;
5e6e3a92 360
636c4598 361 return mwifiex_drv_set_power(priv, &ps_mode);
5e6e3a92
BZ		 362}
363
364/*
365 * CFG802.11 operation handler to set the default network key.
366 */
367static int
368mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
369 u8 key_index, bool unicast,
370 bool multicast)
371{
f540f9f3 372 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
5e6e3a92 373
2d3d0a88 374 /* Return if WEP key not configured */
5eb02e44 375 if (!priv->sec_info.wep_enabled)
2d3d0a88
AK		 376 return 0;
377
96893538
AP		 378 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
379 priv->wep_key_curr_index = key_index;
53b11231
YL		 380 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
381 NULL, 0)) {
636c4598 382 wiphy_err(wiphy, "set default Tx key index\n");
5e6e3a92 383 return -EFAULT;
636c4598 384 }
5e6e3a92
BZ		 385
386 return 0;
387}
388
389/*
390 * CFG802.11 operation handler to add a network key.
391 */
392static int
393mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
394 u8 key_index, bool pairwise, const u8 *mac_addr,
395 struct key_params *params)
396{
f540f9f3 397 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
96893538 398 struct mwifiex_wep_key *wep_key;
75edd2c6
AP		 399 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
400 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 401
96893538
AP		 402 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
403 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
404 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
405 if (params->key && params->key_len) {
406 wep_key = &priv->wep_key[key_index];
407 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
408 memcpy(wep_key->key_material, params->key,
409 params->key_len);
410 wep_key->key_index = key_index;
411 wep_key->key_length = params->key_len;
412 priv->sec_info.wep_enabled = 1;
413 }
414 return 0;
415 }
416
53b11231 417 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
75edd2c6 418 key_index, peer_mac, 0)) {
636c4598 419 wiphy_err(wiphy, "crypto keys added\n");
5e6e3a92 420 return -EFAULT;
636c4598 421 }
5e6e3a92
BZ		 422
423 return 0;
424}
425
426/*
427 * This function sends domain information to the firmware.
428 *
429 * The following information are passed to the firmware -
430 * - Country codes
431 * - Sub bands (first channel, number of channels, maximum Tx power)
432 */
433static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
434{
435 u8 no_of_triplet = 0;
436 struct ieee80211_country_ie_triplet *t;
437 u8 no_of_parsed_chan = 0;
438 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
439 u8 i, flag = 0;
440 enum ieee80211_band band;
441 struct ieee80211_supported_band *sband;
442 struct ieee80211_channel *ch;
67fdf39e
AP		 443 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
444 struct mwifiex_private *priv;
5e6e3a92 445 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
5e6e3a92
BZ		 446
447 /* Set country code */
67fdf39e
AP		 448 domain_info->country_code[0] = adapter->country_code[0];
449 domain_info->country_code[1] = adapter->country_code[1];
5e6e3a92
BZ		 450 domain_info->country_code[2] = ' ';
451
452 band = mwifiex_band_to_radio_type(adapter->config_bands);
453 if (!wiphy->bands[band]) {
454 wiphy_err(wiphy, "11D: setting domain info in FW\n");
455 return -1;
456 }
457
458 sband = wiphy->bands[band];
459
460 for (i = 0; i < sband->n_channels ; i++) {
461 ch = &sband->channels[i];
462 if (ch->flags & IEEE80211_CHAN_DISABLED)
463 continue;
464
465 if (!flag) {
466 flag = 1;
467 first_chan = (u32) ch->hw_value;
468 next_chan = first_chan;
22db2497 469 max_pwr = ch->max_power;
5e6e3a92
BZ		 470 no_of_parsed_chan = 1;
471 continue;
472 }
473
474 if (ch->hw_value == next_chan + 1 &&
22db2497 475 ch->max_power == max_pwr) {
5e6e3a92
BZ		 476 next_chan++;
477 no_of_parsed_chan++;
478 } else {
479 t = &domain_info->triplet[no_of_triplet];
480 t->chans.first_channel = first_chan;
481 t->chans.num_channels = no_of_parsed_chan;
482 t->chans.max_power = max_pwr;
483 no_of_triplet++;
484 first_chan = (u32) ch->hw_value;
485 next_chan = first_chan;
22db2497 486 max_pwr = ch->max_power;
5e6e3a92
BZ		 487 no_of_parsed_chan = 1;
488 }
489 }
490
491 if (flag) {
492 t = &domain_info->triplet[no_of_triplet];
493 t->chans.first_channel = first_chan;
494 t->chans.num_channels = no_of_parsed_chan;
495 t->chans.max_power = max_pwr;
496 no_of_triplet++;
497 }
498
499 domain_info->no_of_triplet = no_of_triplet;
636c4598 500
67fdf39e
AP		 501 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
502
636c4598 503 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
aea0701e 504 HostCmd_ACT_GEN_SET, 0, NULL)) {
5e6e3a92 505 wiphy_err(wiphy, "11D: setting domain info in FW\n");
636c4598
YAP		 506 return -1;
507 }
5e6e3a92 508
636c4598 509 return 0;
5e6e3a92
BZ		 510}
511
512/*
513 * CFG802.11 regulatory domain callback function.
514 *
515 * This function is called when the regulatory domain is changed due to the
516 * following reasons -
517 * - Set by driver
518 * - Set by system core
519 * - Set by user
520 * - Set bt Country IE
521 */
0c0280bd
LR		 522static void mwifiex_reg_notifier(struct wiphy *wiphy,
523 struct regulatory_request *request)
5e6e3a92 524{
67fdf39e 525 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
5e6e3a92 526
67fdf39e
AP		 527 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
528 request->alpha2[0], request->alpha2[1]);
5e6e3a92 529
67fdf39e 530 memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2));
5e6e3a92
BZ		 531
532 switch (request->initiator) {
533 case NL80211_REGDOM_SET_BY_DRIVER:
534 case NL80211_REGDOM_SET_BY_CORE:
535 case NL80211_REGDOM_SET_BY_USER:
536 break;
537 /* Todo: apply driver specific changes in channel flags based
538 on the request initiator if necessary. */
539 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
540 break;
541 }
542 mwifiex_send_domain_info_cmd_fw(wiphy);
5e6e3a92
BZ		 543}
544
5e6e3a92
BZ		 545/*
546 * This function sets the fragmentation threshold.
547 *
600f5d90 548 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
5e6e3a92
BZ		 549 * and MWIFIEX_FRAG_MAX_VALUE.
550 */
551static int
552mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
553{
aea0701e
YAP		 554 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
555 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
9b930eae 556 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
5e6e3a92 557
9b930eae
AP		 558 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
559 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
560 &frag_thr);
5e6e3a92
BZ		 561}
562
563/*
564 * This function sets the RTS threshold.
600f5d90
AK		 565
566 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
567 * and MWIFIEX_RTS_MAX_VALUE.
5e6e3a92
BZ		 568 */
569static int
570mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
571{
5e6e3a92
BZ		 572 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
573 rts_thr = MWIFIEX_RTS_MAX_VALUE;
574
636c4598 575 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
600f5d90
AK		 576 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
577 &rts_thr);
5e6e3a92
BZ		 578}
579
580/*
581 * CFG802.11 operation handler to set wiphy parameters.
582 *
583 * This function can be used to set the RTS threshold and the
584 * Fragmentation threshold of the driver.
585 */
586static int
587mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
588{
67fdf39e 589 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
9b930eae
AP		 590 struct mwifiex_private *priv;
591 struct mwifiex_uap_bss_param *bss_cfg;
592 int ret, bss_started, i;
593
594 for (i = 0; i < adapter->priv_num; i++) {
595 priv = adapter->priv[i];
596
597 switch (priv->bss_role) {
598 case MWIFIEX_BSS_ROLE_UAP:
599 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
600 GFP_KERNEL);
601 if (!bss_cfg)
602 return -ENOMEM;
603
604 mwifiex_set_sys_config_invalid_data(bss_cfg);
605
606 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
607 bss_cfg->rts_threshold = wiphy->rts_threshold;
608 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
609 bss_cfg->frag_threshold = wiphy->frag_threshold;
610 if (changed & WIPHY_PARAM_RETRY_LONG)
611 bss_cfg->retry_limit = wiphy->retry_long;
612
613 bss_started = priv->bss_started;
614
615 ret = mwifiex_send_cmd_sync(priv,
616 HostCmd_CMD_UAP_BSS_STOP,
617 HostCmd_ACT_GEN_SET, 0,
618 NULL);
619 if (ret) {
620 wiphy_err(wiphy, "Failed to stop the BSS\n");
621 kfree(bss_cfg);
622 return ret;
623 }
624
625 ret = mwifiex_send_cmd_async(priv,
626 HostCmd_CMD_UAP_SYS_CONFIG,
627 HostCmd_ACT_GEN_SET,
e76268da 628 UAP_BSS_PARAMS_I, bss_cfg);
5e6e3a92 629
9b930eae
AP		 630 kfree(bss_cfg);
631
632 if (ret) {
633 wiphy_err(wiphy, "Failed to set bss config\n");
634 return ret;
635 }
5e6e3a92 636
9b930eae
AP		 637 if (!bss_started)
638 break;
639
640 ret = mwifiex_send_cmd_async(priv,
641 HostCmd_CMD_UAP_BSS_START,
642 HostCmd_ACT_GEN_SET, 0,
643 NULL);
644 if (ret) {
645 wiphy_err(wiphy, "Failed to start BSS\n");
646 return ret;
647 }
648
649 break;
650 case MWIFIEX_BSS_ROLE_STA:
651 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
652 ret = mwifiex_set_rts(priv,
653 wiphy->rts_threshold);
654 if (ret)
655 return ret;
656 }
657 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
658 ret = mwifiex_set_frag(priv,
659 wiphy->frag_threshold);
660 if (ret)
661 return ret;
662 }
663 break;
664 }
665 }
666
667 return 0;
5e6e3a92
BZ		 668}
669
e1a2b7a3
SP		 670static int
671mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
672{
673 u16 mode = P2P_MODE_DISABLE;
674
9197ab9e
SP		 675 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
676 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
677
e1a2b7a3
SP		 678 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
679 HostCmd_ACT_GEN_SET, 0, &mode))
680 return -1;
681
682 return 0;
683}
684
685/*
686 * This function initializes the functionalities for P2P client.
687 * The P2P client initialization sequence is:
688 * disable -> device -> client
689 */
690static int
691mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
692{
693 u16 mode;
694
695 if (mwifiex_cfg80211_deinit_p2p(priv))
696 return -1;
697
698 mode = P2P_MODE_DEVICE;
699 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
700 HostCmd_ACT_GEN_SET, 0, &mode))
701 return -1;
702
703 mode = P2P_MODE_CLIENT;
704 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
705 HostCmd_ACT_GEN_SET, 0, &mode))
706 return -1;
707
708 return 0;
709}
710
9197ab9e
SP		 711/*
712 * This function initializes the functionalities for P2P GO.
713 * The P2P GO initialization sequence is:
714 * disable -> device -> GO
715 */
716static int
717mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
718{
719 u16 mode;
720
721 if (mwifiex_cfg80211_deinit_p2p(priv))
722 return -1;
723
724 mode = P2P_MODE_DEVICE;
725 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
726 HostCmd_ACT_GEN_SET, 0, &mode))
727 return -1;
728
729 mode = P2P_MODE_GO;
730 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
731 HostCmd_ACT_GEN_SET, 0, &mode))
732 return -1;
733
734 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
735 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
736
737 return 0;
738}
739
5e6e3a92
BZ		 740/*
741 * CFG802.11 operation handler to change interface type.
5e6e3a92
BZ		 742 */
743static int
744mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
745 struct net_device *dev,
746 enum nl80211_iftype type, u32 *flags,
747 struct vif_params *params)
748{
270e58e8 749 int ret;
5e6e3a92 750 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 751
4f02341a 752 switch (dev->ieee80211_ptr->iftype) {
5e6e3a92 753 case NL80211_IFTYPE_ADHOC:
4f02341a
AP		 754 switch (type) {
755 case NL80211_IFTYPE_STATION:
756 break;
757 case NL80211_IFTYPE_UNSPECIFIED:
758 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
759 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
760 return 0;
761 case NL80211_IFTYPE_AP:
762 default:
763 wiphy_err(wiphy, "%s: changing to %d not supported\n",
764 dev->name, type);
765 return -EOPNOTSUPP;
766 }
5e6e3a92
BZ		 767 break;
768 case NL80211_IFTYPE_STATION:
4f02341a
AP		 769 switch (type) {
770 case NL80211_IFTYPE_ADHOC:
771 break;
e1a2b7a3
SP		 772 case NL80211_IFTYPE_P2P_CLIENT:
773 if (mwifiex_cfg80211_init_p2p_client(priv))
774 return -EFAULT;
775 dev->ieee80211_ptr->iftype = type;
776 return 0;
9197ab9e
SP		 777 case NL80211_IFTYPE_P2P_GO:
778 if (mwifiex_cfg80211_init_p2p_go(priv))
779 return -EFAULT;
780 dev->ieee80211_ptr->iftype = type;
781 return 0;
4f02341a
AP		 782 case NL80211_IFTYPE_UNSPECIFIED:
783 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
784 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
785 return 0;
786 case NL80211_IFTYPE_AP:
787 default:
788 wiphy_err(wiphy, "%s: changing to %d not supported\n",
789 dev->name, type);
790 return -EOPNOTSUPP;
791 }
792 break;
793 case NL80211_IFTYPE_AP:
794 switch (type) {
795 case NL80211_IFTYPE_UNSPECIFIED:
796 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
797 case NL80211_IFTYPE_AP: /* This shouldn't happen */
798 return 0;
799 case NL80211_IFTYPE_ADHOC:
800 case NL80211_IFTYPE_STATION:
801 default:
802 wiphy_err(wiphy, "%s: changing to %d not supported\n",
803 dev->name, type);
804 return -EOPNOTSUPP;
805 }
5e6e3a92 806 break;
e1a2b7a3 807 case NL80211_IFTYPE_P2P_CLIENT:
9197ab9e 808 case NL80211_IFTYPE_P2P_GO:
e1a2b7a3
SP		 809 switch (type) {
810 case NL80211_IFTYPE_STATION:
811 if (mwifiex_cfg80211_deinit_p2p(priv))
812 return -EFAULT;
813 dev->ieee80211_ptr->iftype = type;
814 return 0;
815 default:
816 return -EOPNOTSUPP;
817 }
818 break;
5e6e3a92 819 default:
4f02341a
AP		 820 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
821 dev->name, dev->ieee80211_ptr->iftype);
822 return -EOPNOTSUPP;
5e6e3a92 823 }
5e6e3a92 824
4f02341a
AP		 825 dev->ieee80211_ptr->iftype = type;
826 priv->bss_mode = type;
600f5d90 827 mwifiex_deauthenticate(priv, NULL);
eecd8250 828
f986b6d5 829 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
eecd8250 830
600f5d90
AK		 831 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
832 HostCmd_ACT_GEN_SET, 0, NULL);
eecd8250 833
5e6e3a92
BZ		 834 return ret;
835}
836
a5f39056
YAP		 837static void
838mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
839 struct rate_info *rate)
840{
841 struct mwifiex_adapter *adapter = priv->adapter;
842
843 if (adapter->is_hw_11ac_capable) {
844 /* bit[1-0]: 00=LG 01=HT 10=VHT */
845 if (tx_htinfo & BIT(0)) {
846 /* HT */
847 rate->mcs = priv->tx_rate;
848 rate->flags |= RATE_INFO_FLAGS_MCS;
849 }
850 if (tx_htinfo & BIT(1)) {
851 /* VHT */
852 rate->mcs = priv->tx_rate & 0x0F;
853 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
854 }
855
856 if (tx_htinfo & (BIT(1) | BIT(0))) {
857 /* HT or VHT */
858 switch (tx_htinfo & (BIT(3) | BIT(2))) {
859 case 0:
860 /* This will be 20MHz */
861 break;
862 case (BIT(2)):
863 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
864 break;
865 case (BIT(3)):
866 rate->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
867 break;
868 case (BIT(3) | BIT(2)):
869 rate->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
870 break;
871 }
872
873 if (tx_htinfo & BIT(4))
874 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
875
876 if ((priv->tx_rate >> 4) == 1)
877 rate->nss = 2;
878 else
879 rate->nss = 1;
880 }
881 } else {
882 /*
883 * Bit 0 in tx_htinfo indicates that current Tx rate
884 * is 11n rate. Valid MCS index values for us are 0 to 15.
885 */
886 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
887 rate->mcs = priv->tx_rate;
888 rate->flags |= RATE_INFO_FLAGS_MCS;
889 if (tx_htinfo & BIT(1))
890 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
891 if (tx_htinfo & BIT(2))
892 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
893 }
894 }
895}
896
5e6e3a92
BZ		 897/*
898 * This function dumps the station information on a buffer.
899 *
900 * The following information are shown -
901 * - Total bytes transmitted
902 * - Total bytes received
903 * - Total packets transmitted
904 * - Total packets received
905 * - Signal quality level
906 * - Transmission rate
907 */
908static int
909mwifiex_dump_station_info(struct mwifiex_private *priv,
910 struct station_info *sinfo)
911{
006606c0 912 u32 rate;
5e6e3a92
BZ		 913
914 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
7013d3e2
AK		 915 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
916 STATION_INFO_TX_BITRATE |
917 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
5e6e3a92
BZ		 918
919 /* Get signal information from the firmware */
958a4a86
AK		 920 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
921 HostCmd_ACT_GEN_GET, 0, NULL)) {
922 dev_err(priv->adapter->dev, "failed to get signal information\n");
923 return -EFAULT;
5e6e3a92
BZ		 924 }
925
926 if (mwifiex_drv_get_data_rate(priv, &rate)) {
927 dev_err(priv->adapter->dev, "getting data rate\n");
958a4a86 928 return -EFAULT;
5e6e3a92
BZ		 929 }
930
caf60a6c
AK		 931 /* Get DTIM period information from firmware */
932 mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
933 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
934 &priv->dtim_period);
935
a5f39056 936 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
4ec6f9c0 937
7013d3e2 938 sinfo->signal_avg = priv->bcn_rssi_avg;
5e6e3a92
BZ		 939 sinfo->rx_bytes = priv->stats.rx_bytes;
940 sinfo->tx_bytes = priv->stats.tx_bytes;
941 sinfo->rx_packets = priv->stats.rx_packets;
942 sinfo->tx_packets = priv->stats.tx_packets;
958a4a86 943 sinfo->signal = priv->bcn_rssi_avg;
4ec6f9c0 944 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
006606c0 945 sinfo->txrate.legacy = rate * 5;
5e6e3a92 946
c4f3b972
AK		 947 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
948 sinfo->filled |= STATION_INFO_BSS_PARAM;
949 sinfo->bss_param.flags = 0;
950 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
951 WLAN_CAPABILITY_SHORT_PREAMBLE)
952 sinfo->bss_param.flags |=
953 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
954 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
955 WLAN_CAPABILITY_SHORT_SLOT_TIME)
956 sinfo->bss_param.flags |=
957 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
caf60a6c 958 sinfo->bss_param.dtim_period = priv->dtim_period;
c4f3b972
AK		 959 sinfo->bss_param.beacon_interval =
960 priv->curr_bss_params.bss_descriptor.beacon_period;
961 }
962
958a4a86 963 return 0;
5e6e3a92
BZ		 964}
965
966/*
967 * CFG802.11 operation handler to get station information.
968 *
969 * This function only works in connected mode, and dumps the
970 * requested station information, if available.
971 */
972static int
973mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
974 u8 *mac, struct station_info *sinfo)
975{
976 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 977
5e6e3a92
BZ		 978 if (!priv->media_connected)
979 return -ENOENT;
980 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
981 return -ENOENT;
982
636c4598 983 return mwifiex_dump_station_info(priv, sinfo);
5e6e3a92
BZ		 984}
985
f85aae6b
AK		 986/*
987 * CFG802.11 operation handler to dump station information.
988 */
989static int
990mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
991 int idx, u8 *mac, struct station_info *sinfo)
992{
993 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
994
995 if (!priv->media_connected || idx)
996 return -ENOENT;
997
998 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
999
1000 return mwifiex_dump_station_info(priv, sinfo);
1001}
1002
5e6e3a92 1003/* Supported rates to be advertised to the cfg80211 */
5e6e3a92
BZ		 1004static struct ieee80211_rate mwifiex_rates[] = {
1005 {.bitrate = 10, .hw_value = 2, },
1006 {.bitrate = 20, .hw_value = 4, },
1007 {.bitrate = 55, .hw_value = 11, },
1008 {.bitrate = 110, .hw_value = 22, },
5e6e3a92
BZ		 1009 {.bitrate = 60, .hw_value = 12, },
1010 {.bitrate = 90, .hw_value = 18, },
1011 {.bitrate = 120, .hw_value = 24, },
1012 {.bitrate = 180, .hw_value = 36, },
1013 {.bitrate = 240, .hw_value = 48, },
1014 {.bitrate = 360, .hw_value = 72, },
1015 {.bitrate = 480, .hw_value = 96, },
1016 {.bitrate = 540, .hw_value = 108, },
5e6e3a92
BZ		 1017};
1018
1019/* Channel definitions to be advertised to cfg80211 */
5e6e3a92
BZ		 1020static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1021 {.center_freq = 2412, .hw_value = 1, },
1022 {.center_freq = 2417, .hw_value = 2, },
1023 {.center_freq = 2422, .hw_value = 3, },
1024 {.center_freq = 2427, .hw_value = 4, },
1025 {.center_freq = 2432, .hw_value = 5, },
1026 {.center_freq = 2437, .hw_value = 6, },
1027 {.center_freq = 2442, .hw_value = 7, },
1028 {.center_freq = 2447, .hw_value = 8, },
1029 {.center_freq = 2452, .hw_value = 9, },
1030 {.center_freq = 2457, .hw_value = 10, },
1031 {.center_freq = 2462, .hw_value = 11, },
1032 {.center_freq = 2467, .hw_value = 12, },
1033 {.center_freq = 2472, .hw_value = 13, },
1034 {.center_freq = 2484, .hw_value = 14, },
1035};
1036
1037static struct ieee80211_supported_band mwifiex_band_2ghz = {
1038 .channels = mwifiex_channels_2ghz,
1039 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1040 .bitrates = mwifiex_rates,
8763848e 1041 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
5e6e3a92
BZ		 1042};
1043
1044static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1045 {.center_freq = 5040, .hw_value = 8, },
1046 {.center_freq = 5060, .hw_value = 12, },
1047 {.center_freq = 5080, .hw_value = 16, },
1048 {.center_freq = 5170, .hw_value = 34, },
1049 {.center_freq = 5190, .hw_value = 38, },
1050 {.center_freq = 5210, .hw_value = 42, },
1051 {.center_freq = 5230, .hw_value = 46, },
1052 {.center_freq = 5180, .hw_value = 36, },
1053 {.center_freq = 5200, .hw_value = 40, },
1054 {.center_freq = 5220, .hw_value = 44, },
1055 {.center_freq = 5240, .hw_value = 48, },
1056 {.center_freq = 5260, .hw_value = 52, },
1057 {.center_freq = 5280, .hw_value = 56, },
1058 {.center_freq = 5300, .hw_value = 60, },
1059 {.center_freq = 5320, .hw_value = 64, },
1060 {.center_freq = 5500, .hw_value = 100, },
1061 {.center_freq = 5520, .hw_value = 104, },
1062 {.center_freq = 5540, .hw_value = 108, },
1063 {.center_freq = 5560, .hw_value = 112, },
1064 {.center_freq = 5580, .hw_value = 116, },
1065 {.center_freq = 5600, .hw_value = 120, },
1066 {.center_freq = 5620, .hw_value = 124, },
1067 {.center_freq = 5640, .hw_value = 128, },
1068 {.center_freq = 5660, .hw_value = 132, },
1069 {.center_freq = 5680, .hw_value = 136, },
1070 {.center_freq = 5700, .hw_value = 140, },
1071 {.center_freq = 5745, .hw_value = 149, },
1072 {.center_freq = 5765, .hw_value = 153, },
1073 {.center_freq = 5785, .hw_value = 157, },
1074 {.center_freq = 5805, .hw_value = 161, },
1075 {.center_freq = 5825, .hw_value = 165, },
1076};
1077
1078static struct ieee80211_supported_band mwifiex_band_5ghz = {
1079 .channels = mwifiex_channels_5ghz,
1080 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
eb416ad3
AP		 1081 .bitrates = mwifiex_rates + 4,
1082 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
5e6e3a92
BZ		 1083};
1084
1085
1086/* Supported crypto cipher suits to be advertised to cfg80211 */
5e6e3a92
BZ		 1087static const u32 mwifiex_cipher_suites[] = {
1088 WLAN_CIPHER_SUITE_WEP40,
1089 WLAN_CIPHER_SUITE_WEP104,
1090 WLAN_CIPHER_SUITE_TKIP,
1091 WLAN_CIPHER_SUITE_CCMP,
53b11231 1092 WLAN_CIPHER_SUITE_AES_CMAC,
5e6e3a92
BZ		 1093};
1094
83719be8
SP		 1095/* Supported mgmt frame types to be advertised to cfg80211 */
1096static const struct ieee80211_txrx_stypes
1097mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1098 [NL80211_IFTYPE_STATION] = {
1099 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1100 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1101 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1102 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1103 },
1104 [NL80211_IFTYPE_AP] = {
1105 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1106 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1107 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1108 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1109 },
1110 [NL80211_IFTYPE_P2P_CLIENT] = {
1111 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1112 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1113 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1114 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1115 },
1116 [NL80211_IFTYPE_P2P_GO] = {
1117 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1118 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1119 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1120 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1121 },
1122};
1123
5d82c53a
YAP		 1124/*
1125 * CFG802.11 operation handler for setting bit rates.
1126 *
433c3990
AK		 1127 * Function configures data rates to firmware using bitrate mask
1128 * provided by cfg80211.
5d82c53a
YAP		 1129 */
1130static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1131 struct net_device *dev,
1132 const u8 *peer,
1133 const struct cfg80211_bitrate_mask *mask)
1134{
5d82c53a 1135 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
433c3990
AK		 1136 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1137 enum ieee80211_band band;
5d82c53a 1138
433c3990
AK		 1139 if (!priv->media_connected) {
1140 dev_err(priv->adapter->dev,
1141 "Can not set Tx data rate in disconnected state\n");
1142 return -EINVAL;
5d82c53a
YAP		 1143 }
1144
433c3990 1145 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
5d82c53a 1146
433c3990 1147 memset(bitmap_rates, 0, sizeof(bitmap_rates));
5d82c53a 1148
433c3990
AK		 1149 /* Fill HR/DSSS rates. */
1150 if (band == IEEE80211_BAND_2GHZ)
1151 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
5d82c53a 1152
433c3990
AK		 1153 /* Fill OFDM rates */
1154 if (band == IEEE80211_BAND_2GHZ)
1155 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1156 else
1157 bitmap_rates[1] = mask->control[band].legacy;
1158
1159 /* Fill MCS rates */
1160 bitmap_rates[2] = mask->control[band].mcs[0];
1161 if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1162 bitmap_rates[2] |= mask->control[band].mcs[1] << 8;
1163
1164 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
1165 HostCmd_ACT_GEN_SET, 0, bitmap_rates);
5d82c53a
YAP		 1166}
1167
fa444bf8
AK		 1168/*
1169 * CFG802.11 operation handler for connection quality monitoring.
1170 *
1171 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1172 * events to FW.
1173 */
1174static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1175 struct net_device *dev,
1176 s32 rssi_thold, u32 rssi_hyst)
1177{
1178 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1179 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1180
1181 priv->cqm_rssi_thold = rssi_thold;
1182 priv->cqm_rssi_hyst = rssi_hyst;
1183
1184 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1185 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1186
1187 /* Subscribe/unsubscribe low and high rssi events */
1188 if (rssi_thold && rssi_hyst) {
1189 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1190 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1191 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1192 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1193 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1194 return mwifiex_send_cmd_sync(priv,
1195 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1196 0, 0, &subsc_evt);
1197 } else {
1198 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1199 return mwifiex_send_cmd_sync(priv,
1200 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1201 0, 0, &subsc_evt);
1202 }
1203
1204 return 0;
1205}
1206
5370c836
AP		 1207/* cfg80211 operation handler for change_beacon.
1208 * Function retrieves and sets modified management IEs to FW.
1209 */
1210static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1211 struct net_device *dev,
1212 struct cfg80211_beacon_data *data)
1213{
1214 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1215
9197ab9e 1216 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
5370c836
AP		 1217 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
1218 return -EINVAL;
1219 }
1220
1221 if (!priv->bss_started) {
1222 wiphy_err(wiphy, "%s: bss not started\n", __func__);
1223 return -EINVAL;
1224 }
1225
1226 if (mwifiex_set_mgmt_ies(priv, data)) {
1227 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
1228 return -EFAULT;
1229 }
1230
1231 return 0;
1232}
1233
8a279d5b
AK		 1234static int
1235mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1236{
1237 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1238 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1239 MWIFIEX_BSS_ROLE_ANY);
1240 struct mwifiex_ds_ant_cfg ant_cfg;
1241
1242 if (!tx_ant || !rx_ant)
1243 return -EOPNOTSUPP;
1244
1245 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1246 /* Not a MIMO chip. User should provide specific antenna number
1247 * for Tx/Rx path or enable all antennas for diversity
1248 */
1249 if (tx_ant != rx_ant)
1250 return -EOPNOTSUPP;
1251
1252 if ((tx_ant & (tx_ant - 1)) &&
1253 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1254 return -EOPNOTSUPP;
1255
1256 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1257 (priv->adapter->number_of_antenna > 1)) {
1258 tx_ant = RF_ANTENNA_AUTO;
1259 rx_ant = RF_ANTENNA_AUTO;
1260 }
1261 }
1262
1263 ant_cfg.tx_ant = tx_ant;
1264 ant_cfg.rx_ant = rx_ant;
1265
1266 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA,
1267 HostCmd_ACT_GEN_SET, 0, &ant_cfg);
1268}
1269
12190c5d
AP		 1270/* cfg80211 operation handler for stop ap.
1271 * Function stops BSS running at uAP interface.
1272 */
1273static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1274{
1275 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1276
40bbc21a
AP		 1277 if (mwifiex_del_mgmt_ies(priv))
1278 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
1279
c8258913
AP		 1280 priv->ap_11n_enabled = 0;
1281
12190c5d
AP		 1282 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1283 HostCmd_ACT_GEN_SET, 0, NULL)) {
1284 wiphy_err(wiphy, "Failed to stop the BSS\n");
1285 return -1;
1286 }
1287
1288 return 0;
1289}
1290
1291/* cfg80211 operation handler for start_ap.
1292 * Function sets beacon period, DTIM period, SSID and security into
1293 * AP config structure.
1294 * AP is configured with these settings and BSS is started.
1295 */
1296static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1297 struct net_device *dev,
1298 struct cfg80211_ap_settings *params)
1299{
1300 struct mwifiex_uap_bss_param *bss_cfg;
1301 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
05910f4a 1302 u8 config_bands = 0;
12190c5d 1303
9197ab9e 1304 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
f752dcd5 1305 return -1;
adb6ed0c 1306 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
f31acabe 1307 return -1;
f752dcd5 1308
12190c5d
AP		 1309 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1310 if (!bss_cfg)
1311 return -ENOMEM;
1312
1313 mwifiex_set_sys_config_invalid_data(bss_cfg);
1314
1315 if (params->beacon_interval)
1316 bss_cfg->beacon_period = params->beacon_interval;
1317 if (params->dtim_period)
1318 bss_cfg->dtim_period = params->dtim_period;
1319
1320 if (params->ssid && params->ssid_len) {
1321 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1322 bss_cfg->ssid.ssid_len = params->ssid_len;
1323 }
1324
7a1c9934
AP		 1325 switch (params->hidden_ssid) {
1326 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1327 bss_cfg->bcast_ssid_ctl = 1;
1328 break;
1329 case NL80211_HIDDEN_SSID_ZERO_LEN:
1330 bss_cfg->bcast_ssid_ctl = 0;
1331 break;
1332 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1333 /* firmware doesn't support this type of hidden SSID */
1334 default:
b3190466 1335 kfree(bss_cfg);
7a1c9934
AP		 1336 return -EINVAL;
1337 }
1338
683b6d3b
JB		 1339 bss_cfg->channel = ieee80211_frequency_to_channel(
1340 params->chandef.chan->center_freq);
0abd79e5 1341
05910f4a 1342 /* Set appropriate bands */
683b6d3b 1343 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
a3c2c4f6 1344 bss_cfg->band_cfg = BAND_CONFIG_BG;
a5f39056 1345 config_bands = BAND_B | BAND_G;
a3c2c4f6 1346
a5f39056
YAP		 1347 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1348 config_bands |= BAND_GN;
1349
1350 if (params->chandef.width > NL80211_CHAN_WIDTH_40)
1351 config_bands |= BAND_GAC;
05910f4a 1352 } else {
a3c2c4f6 1353 bss_cfg->band_cfg = BAND_CONFIG_A;
a5f39056 1354 config_bands = BAND_A;
a3c2c4f6 1355
a5f39056
YAP		 1356 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1357 config_bands |= BAND_AN;
1358
1359 if (params->chandef.width > NL80211_CHAN_WIDTH_40)
1360 config_bands |= BAND_AAC;
0abd79e5
AP		 1361 }
1362
05910f4a
AK		 1363 if (!((config_bands | priv->adapter->fw_bands) &
1364 ~priv->adapter->fw_bands))
1365 priv->adapter->config_bands = config_bands;
1366
a3c2c4f6 1367 mwifiex_set_uap_rates(bss_cfg, params);
05910f4a
AK		 1368 mwifiex_send_domain_info_cmd_fw(wiphy);
1369
f752dcd5
AP		 1370 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1371 kfree(bss_cfg);
1372 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1373 return -1;
1374 }
1375
22281256 1376 mwifiex_set_ht_params(priv, bss_cfg, params);
83c78da9
YAP		 1377
1378 if (priv->adapter->is_hw_11ac_capable) {
1379 mwifiex_set_vht_params(priv, bss_cfg, params);
1380 mwifiex_set_vht_width(priv, params->chandef.width,
1381 priv->ap_11ac_enabled);
1382 }
1383
2b6254da
AP		 1384 if (priv->ap_11ac_enabled)
1385 mwifiex_set_11ac_ba_params(priv);
1386 else
1387 mwifiex_set_ba_params(priv);
1388
54428c57 1389 mwifiex_set_wmm_params(priv, bss_cfg, params);
22281256 1390
8b4509f6
KG		 1391 if (params->inactivity_timeout > 0) {
1392 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1393 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1394 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1395 }
1396
12190c5d
AP		 1397 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1398 HostCmd_ACT_GEN_SET, 0, NULL)) {
1399 wiphy_err(wiphy, "Failed to stop the BSS\n");
1400 kfree(bss_cfg);
1401 return -1;
1402 }
1403
1404 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG,
e76268da
AP		 1405 HostCmd_ACT_GEN_SET,
1406 UAP_BSS_PARAMS_I, bss_cfg)) {
12190c5d
AP		 1407 wiphy_err(wiphy, "Failed to set the SSID\n");
1408 kfree(bss_cfg);
1409 return -1;
1410 }
1411
1412 kfree(bss_cfg);
1413
1414 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START,
1415 HostCmd_ACT_GEN_SET, 0, NULL)) {
1416 wiphy_err(wiphy, "Failed to start the BSS\n");
1417 return -1;
1418 }
1419
96893538
AP		 1420 if (priv->sec_info.wep_enabled)
1421 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1422 else
1423 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1424
1425 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1426 HostCmd_ACT_GEN_SET, 0,
1427 &priv->curr_pkt_filter))
1428 return -1;
1429
12190c5d
AP		 1430 return 0;
1431}
1432
5e6e3a92
BZ		 1433/*
1434 * CFG802.11 operation handler for disconnection request.
1435 *
1436 * This function does not work when there is already a disconnection
1437 * procedure going on.
1438 */
1439static int
1440mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1441 u16 reason_code)
1442{
1443 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1444
600f5d90 1445 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 1446 return -EFAULT;
1447
1448 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1449 " reason code %d\n", priv->cfg_bssid, reason_code);
1450
38c9d664 1451 memset(priv->cfg_bssid, 0, ETH_ALEN);
5e6e3a92
BZ		 1452
1453 return 0;
1454}
1455
1456/*
1457 * This function informs the CFG802.11 subsystem of a new IBSS.
1458 *
1459 * The following information are sent to the CFG802.11 subsystem
1460 * to register the new IBSS. If we do not register the new IBSS,
1461 * a kernel panic will result.
1462 * - SSID
1463 * - SSID length
1464 * - BSSID
1465 * - Channel
1466 */
1467static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1468{
5e6e3a92
BZ		 1469 struct ieee80211_channel *chan;
1470 struct mwifiex_bss_info bss_info;
aa95a48d 1471 struct cfg80211_bss *bss;
270e58e8 1472 int ie_len;
5e6e3a92 1473 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
4ed5d521 1474 enum ieee80211_band band;
5e6e3a92 1475
636c4598
YAP		 1476 if (mwifiex_get_bss_info(priv, &bss_info))
1477 return -1;
5e6e3a92
BZ		 1478
1479 ie_buf[0] = WLAN_EID_SSID;
1480 ie_buf[1] = bss_info.ssid.ssid_len;
1481
1482 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
aea0701e 1483 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
5e6e3a92
BZ		 1484 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1485
4ed5d521 1486 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
5e6e3a92
BZ		 1487 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1488 ieee80211_channel_to_frequency(bss_info.bss_chan,
4ed5d521 1489 band));
5e6e3a92 1490
aa95a48d 1491 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
aea0701e
YAP		 1492 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1493 0, ie_buf, ie_len, 0, GFP_KERNEL);
5b112d3d 1494 cfg80211_put_bss(priv->wdev->wiphy, bss);
5e6e3a92
BZ		 1495 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1496
636c4598 1497 return 0;
5e6e3a92
BZ		 1498}
1499
5e6e3a92
BZ		 1500/*
1501 * This function connects with a BSS.
1502 *
1503 * This function handles both Infra and Ad-Hoc modes. It also performs
1504 * validity checking on the provided parameters, disconnects from the
1505 * current BSS (if any), sets up the association/scan parameters,
1506 * including security settings, and performs specific SSID scan before
1507 * trying to connect.
1508 *
1509 * For Infra mode, the function returns failure if the specified SSID
1510 * is not found in scan table. However, for Ad-Hoc mode, it can create
1511 * the IBSS if it does not exist. On successful completion in either case,
7c6fa2a8 1512 * the function notifies the CFG802.11 subsystem of the new BSS connection.
5e6e3a92
BZ		 1513 */
1514static int
1515mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
1516 u8 *bssid, int mode, struct ieee80211_channel *channel,
1517 struct cfg80211_connect_params *sme, bool privacy)
1518{
b9be5f39 1519 struct cfg80211_ssid req_ssid;
270e58e8 1520 int ret, auth_type = 0;
7c6fa2a8 1521 struct cfg80211_bss *bss = NULL;
d7b9c520 1522 u8 is_scanning_required = 0;
5e6e3a92 1523
b9be5f39 1524 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
5e6e3a92
BZ		 1525
1526 req_ssid.ssid_len = ssid_len;
1527 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1528 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1529 return -EINVAL;
1530 }
1531
1532 memcpy(req_ssid.ssid, ssid, ssid_len);
1533 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1534 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1535 return -EINVAL;
1536 }
1537
1538 /* disconnect before try to associate */
600f5d90 1539 mwifiex_deauthenticate(priv, NULL);
5e6e3a92 1540
6670f15b
AK		 1541 /* As this is new association, clear locally stored
1542 * keys and security related flags */
1543 priv->sec_info.wpa_enabled = false;
1544 priv->sec_info.wpa2_enabled = false;
1545 priv->wep_key_curr_index = 0;
00f157b4 1546 priv->sec_info.encryption_mode = 0;
a0f6d6ca 1547 priv->sec_info.is_authtype_auto = 0;
53b11231 1548 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
5e6e3a92 1549
eecd8250 1550 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1551 /* "privacy" is set only for ad-hoc mode */
1552 if (privacy) {
1553 /*
2be50b8d 1554 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
5e6e3a92
BZ		 1555 * the firmware can find a matching network from the
1556 * scan. The cfg80211 does not give us the encryption
1557 * mode at this stage so just setting it to WEP here.
1558 */
203afeca 1559 priv->sec_info.encryption_mode =
2be50b8d 1560 WLAN_CIPHER_SUITE_WEP104;
203afeca 1561 priv->sec_info.authentication_mode =
f986b6d5 1562 NL80211_AUTHTYPE_OPEN_SYSTEM;
5e6e3a92
BZ		 1563 }
1564
1565 goto done;
1566 }
1567
1568 /* Now handle infra mode. "sme" is valid for infra mode only */
a0f6d6ca 1569 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
f986b6d5 1570 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
a0f6d6ca
AK		 1571 priv->sec_info.is_authtype_auto = 1;
1572 } else {
1573 auth_type = sme->auth_type;
1574 }
5e6e3a92
BZ		 1575
1576 if (sme->crypto.n_ciphers_pairwise) {
2be50b8d
YAP		 1577 priv->sec_info.encryption_mode =
1578 sme->crypto.ciphers_pairwise[0];
203afeca 1579 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 1580 }
1581
1582 if (sme->crypto.cipher_group) {
2be50b8d 1583 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
203afeca 1584 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 1585 }
1586 if (sme->ie)
1587 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1588
1589 if (sme->key) {
e6faada5 1590 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
5e6e3a92
BZ		 1591 dev_dbg(priv->adapter->dev,
1592 "info: setting wep encryption"
1593 " with key len %d\n", sme->key_len);
6670f15b 1594 priv->wep_key_curr_index = sme->key_idx;
53b11231
YL		 1595 ret = mwifiex_set_encode(priv, NULL, sme->key,
1596 sme->key_len, sme->key_idx,
1597 NULL, 0);
5e6e3a92
BZ		 1598 }
1599 }
1600done:
7c6fa2a8
AK		 1601 /*
1602 * Scan entries are valid for some time (15 sec). So we can save one
1603 * active scan time if we just try cfg80211_get_bss first. If it fails
1604 * then request scan and cfg80211_get_bss() again for final output.
1605 */
1606 while (1) {
1607 if (is_scanning_required) {
1608 /* Do specific SSID scanning */
1609 if (mwifiex_request_scan(priv, &req_ssid)) {
1610 dev_err(priv->adapter->dev, "scan error\n");
1611 return -EFAULT;
1612 }
1613 }
5e6e3a92 1614
7c6fa2a8
AK		 1615 /* Find the BSS we want using available scan results */
1616 if (mode == NL80211_IFTYPE_ADHOC)
1617 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1618 bssid, ssid, ssid_len,
1619 WLAN_CAPABILITY_IBSS,
1620 WLAN_CAPABILITY_IBSS);
1621 else
1622 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1623 bssid, ssid, ssid_len,
1624 WLAN_CAPABILITY_ESS,
1625 WLAN_CAPABILITY_ESS);
1626
1627 if (!bss) {
1628 if (is_scanning_required) {
aea0701e
YAP		 1629 dev_warn(priv->adapter->dev,
1630 "assoc: requested bss not found in scan results\n");
7c6fa2a8
AK		 1631 break;
1632 }
1633 is_scanning_required = 1;
1634 } else {
aea0701e
YAP		 1635 dev_dbg(priv->adapter->dev,
1636 "info: trying to associate to '%s' bssid %pM\n",
1637 (char *) req_ssid.ssid, bss->bssid);
7c6fa2a8
AK		 1638 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1639 break;
1640 }
5e6e3a92
BZ		 1641 }
1642
06975884
AK		 1643 ret = mwifiex_bss_start(priv, bss, &req_ssid);
1644 if (ret)
1645 return ret;
5e6e3a92 1646
eecd8250 1647 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1648 /* Inform the BSS information to kernel, otherwise
1649 * kernel will give a panic after successful assoc */
1650 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1651 return -EFAULT;
1652 }
1653
1654 return ret;
1655}
1656
1657/*
1658 * CFG802.11 operation handler for association request.
1659 *
1660 * This function does not work when the current mode is set to Ad-Hoc, or
1661 * when there is already an association procedure going on. The given BSS
1662 * information is used to associate.
1663 */
1664static int
1665mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1666 struct cfg80211_connect_params *sme)
1667{
1668 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
8bc77a4d 1669 int ret;
5e6e3a92 1670
8bc77a4d
BZ		 1671 if (priv->bss_mode != NL80211_IFTYPE_STATION) {
1672 wiphy_err(wiphy,
1673 "%s: reject infra assoc request in non-STA mode\n",
1674 dev->name);
1675 return -EINVAL;
e568634a
AP		 1676 }
1677
5e6e3a92 1678 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
aea0701e 1679 (char *) sme->ssid, sme->bssid);
5e6e3a92
BZ		 1680
1681 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
eecd8250 1682 priv->bss_mode, sme->channel, sme, 0);
38c9d664
AK		 1683 if (!ret) {
1684 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1685 NULL, 0, WLAN_STATUS_SUCCESS,
1686 GFP_KERNEL);
1687 dev_dbg(priv->adapter->dev,
1688 "info: associated to bssid %pM successfully\n",
1689 priv->cfg_bssid);
1690 } else {
1691 dev_dbg(priv->adapter->dev,
1692 "info: association to bssid %pM failed\n",
1693 priv->cfg_bssid);
1694 memset(priv->cfg_bssid, 0, ETH_ALEN);
06975884
AK		 1695
1696 if (ret > 0)
1697 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1698 NULL, 0, NULL, 0, ret,
1699 GFP_KERNEL);
1700 else
1701 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1702 NULL, 0, NULL, 0,
1703 WLAN_STATUS_UNSPECIFIED_FAILURE,
1704 GFP_KERNEL);
38c9d664
AK		 1705 }
1706
06975884 1707 return 0;
5e6e3a92
BZ		 1708}
1709
05910f4a
AK		 1710/*
1711 * This function sets following parameters for ibss network.
1712 * - channel
1713 * - start band
1714 * - 11n flag
1715 * - secondary channel offset
1716 */
1717static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
1718 struct cfg80211_ibss_params *params)
1719{
1720 struct wiphy *wiphy = priv->wdev->wiphy;
1721 struct mwifiex_adapter *adapter = priv->adapter;
1722 int index = 0, i;
1723 u8 config_bands = 0;
1724
683b6d3b 1725 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
05910f4a
AK		 1726 if (!params->basic_rates) {
1727 config_bands = BAND_B | BAND_G;
1728 } else {
1729 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
1730 /*
1731 * Rates below 6 Mbps in the table are CCK
1732 * rates; 802.11b and from 6 they are OFDM;
1733 * 802.11G
1734 */
1735 if (mwifiex_rates[i].bitrate == 60) {
1736 index = 1 << i;
1737 break;
1738 }
1739 }
1740
1741 if (params->basic_rates < index) {
1742 config_bands = BAND_B;
1743 } else {
1744 config_bands = BAND_G;
1745 if (params->basic_rates % index)
1746 config_bands |= BAND_B;
1747 }
1748 }
1749
683b6d3b
JB		 1750 if (cfg80211_get_chandef_type(&params->chandef) !=
1751 NL80211_CHAN_NO_HT)
3b86acb8 1752 config_bands |= BAND_G | BAND_GN;
05910f4a 1753 } else {
c3ff0b2d 1754 if (cfg80211_get_chandef_type(&params->chandef) ==
683b6d3b 1755 NL80211_CHAN_NO_HT)
05910f4a
AK		 1756 config_bands = BAND_A;
1757 else
1758 config_bands = BAND_AN | BAND_A;
1759 }
1760
1761 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
1762 adapter->config_bands = config_bands;
1763 adapter->adhoc_start_band = config_bands;
1764
1765 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
1766 adapter->adhoc_11n_enabled = true;
1767 else
1768 adapter->adhoc_11n_enabled = false;
1769 }
1770
1771 adapter->sec_chan_offset =
683b6d3b
JB		 1772 mwifiex_chan_type_to_sec_chan_offset(
1773 cfg80211_get_chandef_type(&params->chandef));
1774 priv->adhoc_channel = ieee80211_frequency_to_channel(
1775 params->chandef.chan->center_freq);
05910f4a
AK		 1776
1777 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
1778 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
1779
1780 return 0;
1781}
1782
5e6e3a92
BZ		 1783/*
1784 * CFG802.11 operation handler to join an IBSS.
1785 *
1786 * This function does not work in any mode other than Ad-Hoc, or if
1787 * a join operation is already in progress.
1788 */
1789static int
1790mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1791 struct cfg80211_ibss_params *params)
1792{
f540f9f3 1793 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 1794 int ret = 0;
5e6e3a92 1795
eecd8250 1796 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1797 wiphy_err(wiphy, "request to join ibss received "
1798 "when station is not in ibss mode\n");
1799 goto done;
1800 }
1801
5e6e3a92 1802 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
aea0701e 1803 (char *) params->ssid, params->bssid);
5e6e3a92 1804
05910f4a
AK		 1805 mwifiex_set_ibss_params(priv, params);
1806
5e6e3a92 1807 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
aea0701e 1808 params->bssid, priv->bss_mode,
683b6d3b
JB		 1809 params->chandef.chan, NULL,
1810 params->privacy);
5e6e3a92 1811done:
38c9d664
AK		 1812 if (!ret) {
1813 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
1814 dev_dbg(priv->adapter->dev,
1815 "info: joined/created adhoc network with bssid"
1816 " %pM successfully\n", priv->cfg_bssid);
1817 } else {
1818 dev_dbg(priv->adapter->dev,
1819 "info: failed creating/joining adhoc network\n");
1820 }
1821
5e6e3a92
BZ		 1822 return ret;
1823}
1824
1825/*
1826 * CFG802.11 operation handler to leave an IBSS.
1827 *
1828 * This function does not work if a leave operation is
1829 * already in progress.
1830 */
1831static int
1832mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1833{
f540f9f3 1834 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 1835
5e6e3a92 1836 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
aea0701e 1837 priv->cfg_bssid);
600f5d90 1838 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 1839 return -EFAULT;
1840
38c9d664 1841 memset(priv->cfg_bssid, 0, ETH_ALEN);
5e6e3a92
BZ		 1842
1843 return 0;
1844}
1845
1846/*
1847 * CFG802.11 operation handler for scan request.
1848 *
1849 * This function issues a scan request to the firmware based upon
1850 * the user specified scan configuration. On successfull completion,
1851 * it also informs the results.
1852 */
1853static int
fd014284 1854mwifiex_cfg80211_scan(struct wiphy *wiphy,
5e6e3a92
BZ		 1855 struct cfg80211_scan_request *request)
1856{
fd014284 1857 struct net_device *dev = request->wdev->netdev;
5e6e3a92 1858 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
c2476335 1859 int i, offset, ret;
38c9d664 1860 struct ieee80211_channel *chan;
ea021f56 1861 struct ieee_types_header *ie;
5e6e3a92
BZ		 1862
1863 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1864
e45a8419
AK		 1865 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
1866 atomic_read(&priv->wmm.tx_pkts_queued) >=
de09364e
AK		 1867 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) {
1868 dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n");
1869 return -EBUSY;
1870 }
1871
f162cac8
AK		 1872 if (priv->user_scan_cfg) {
1873 dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
1874 return -EBUSY;
1875 }
1876
38c9d664 1877 priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
aea0701e 1878 GFP_KERNEL);
0d2e7a5c 1879 if (!priv->user_scan_cfg)
38c9d664 1880 return -ENOMEM;
be0b281e 1881
6fcf2b10
BZ		 1882 priv->scan_request = request;
1883
be0b281e
AK		 1884 priv->user_scan_cfg->num_ssids = request->n_ssids;
1885 priv->user_scan_cfg->ssid_list = request->ssids;
1886
13d7ba78 1887 if (request->ie && request->ie_len) {
ea021f56 1888 offset = 0;
13d7ba78
AP		 1889 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1890 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1891 continue;
1892 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
ea021f56
SP		 1893 ie = (struct ieee_types_header *)(request->ie + offset);
1894 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
1895 offset += sizeof(*ie) + ie->len;
1896
1897 if (offset >= request->ie_len)
1898 break;
13d7ba78
AP		 1899 }
1900 }
1901
901ceba4
SP		 1902 for (i = 0; i < min_t(u32, request->n_channels,
1903 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
38c9d664
AK		 1904 chan = request->channels[i];
1905 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1906 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
1907
1908 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
1909 priv->user_scan_cfg->chan_list[i].scan_type =
aea0701e 1910 MWIFIEX_SCAN_TYPE_PASSIVE;
38c9d664
AK		 1911 else
1912 priv->user_scan_cfg->chan_list[i].scan_type =
aea0701e 1913 MWIFIEX_SCAN_TYPE_ACTIVE;
38c9d664
AK		 1914
1915 priv->user_scan_cfg->chan_list[i].scan_time = 0;
1916 }
c2476335
BZ		 1917
1918 ret = mwifiex_scan_networks(priv, priv->user_scan_cfg);
1919 if (ret) {
1920 dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
6fcf2b10
BZ		 1921 priv->scan_request = NULL;
1922 kfree(priv->user_scan_cfg);
1923 priv->user_scan_cfg = NULL;
c2476335
BZ		 1924 return ret;
1925 }
38c9d664 1926
13d7ba78
AP		 1927 if (request->ie && request->ie_len) {
1928 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1929 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
1930 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
1931 memset(&priv->vs_ie[i].ie, 0,
1932 MWIFIEX_MAX_VSIE_LEN);
1933 }
1934 }
1935 }
5e6e3a92
BZ		 1936 return 0;
1937}
1938
a5f39056
YAP		 1939static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
1940 struct mwifiex_private *priv)
1941{
1942 struct mwifiex_adapter *adapter = priv->adapter;
a5f39056
YAP		 1943
1944 vht_info->vht_supported = true;
1945
43283feb 1946 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
a5f39056
YAP		 1947 /* Update MCS support for VHT */
1948 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
1949 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
1950 vht_info->vht_mcs.rx_highest = 0;
1951 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
1952 adapter->hw_dot_11ac_mcs_support >> 16);
1953 vht_info->vht_mcs.tx_highest = 0;
1954}
1955
5e6e3a92
BZ		 1956/*
1957 * This function sets up the CFG802.11 specific HT capability fields
1958 * with default values.
1959 *
1960 * The following default values are set -
1961 * - HT Supported = True
a46b7b5c
AK		 1962 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1963 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1964 * - HT Capabilities supported by firmware
5e6e3a92
BZ		 1965 * - MCS information, Rx mask = 0xff
1966 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1967 */
1968static void
1969mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
1970 struct mwifiex_private *priv)
1971{
1972 int rx_mcs_supp;
1973 struct ieee80211_mcs_info mcs_set;
1974 u8 *mcs = (u8 *)&mcs_set;
1975 struct mwifiex_adapter *adapter = priv->adapter;
1976
1977 ht_info->ht_supported = true;
a46b7b5c
AK		 1978 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
1979 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
5e6e3a92
BZ		 1980
1981 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
5e6e3a92 1982
a46b7b5c
AK		 1983 /* Fill HT capability information */
1984 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1985 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1986 else
1987 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1988
1989 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
1990 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
1991 else
1992 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
1993
1994 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
1995 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
1996 else
1997 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
1998
1999 if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
2000 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
2001 else
2002 ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
2003
2004 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2005 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2006 else
2007 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2008
dd0d83c2
AP		 2009 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2010 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2011 else
2012 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2013
2014 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2015 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2016 else
2017 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2018
2019 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2020 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2021 else
2022 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2023
a46b7b5c
AK		 2024 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2025 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2026
2027 rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
5e6e3a92
BZ		 2028 /* Set MCS for 1x1 */
2029 memset(mcs, 0xff, rx_mcs_supp);
2030 /* Clear all the other values */
2031 memset(&mcs[rx_mcs_supp], 0,
aea0701e 2032 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
eecd8250 2033 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
aea0701e 2034 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
5e6e3a92
BZ		 2035 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2036 SETHT_MCS32(mcs_set.rx_mask);
2037
2038 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2039
2040 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2041}
2042
93a1df48
YAP		 2043/*
2044 * create a new virtual interface with the given name
2045 */
84efbb84 2046struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
552bff0c 2047 const char *name,
84efbb84
JB		 2048 enum nl80211_iftype type,
2049 u32 *flags,
2050 struct vif_params *params)
93a1df48 2051{
67fdf39e
AP		 2052 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2053 struct mwifiex_private *priv;
93a1df48
YAP		 2054 struct net_device *dev;
2055 void *mdev_priv;
d6bffe8b 2056 struct wireless_dev *wdev;
93a1df48 2057
93a1df48 2058 if (!adapter)
858faa57 2059 return ERR_PTR(-EFAULT);
93a1df48
YAP		 2060
2061 switch (type) {
2062 case NL80211_IFTYPE_UNSPECIFIED:
2063 case NL80211_IFTYPE_STATION:
2064 case NL80211_IFTYPE_ADHOC:
d6bffe8b 2065 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
93a1df48 2066 if (priv->bss_mode) {
d6bffe8b
AP		 2067 wiphy_err(wiphy,
2068 "cannot create multiple sta/adhoc ifaces\n");
858faa57 2069 return ERR_PTR(-EINVAL);
93a1df48
YAP		 2070 }
2071
d6bffe8b
AP		 2072 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2073 if (!wdev)
858faa57 2074 return ERR_PTR(-ENOMEM);
d6bffe8b
AP		 2075
2076 wdev->wiphy = wiphy;
2077 priv->wdev = wdev;
2078 wdev->iftype = NL80211_IFTYPE_STATION;
2079
93a1df48
YAP		 2080 if (type == NL80211_IFTYPE_UNSPECIFIED)
2081 priv->bss_mode = NL80211_IFTYPE_STATION;
2082 else
2083 priv->bss_mode = type;
2084
2085 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2086 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
a458c0ae 2087 priv->bss_priority = 0;
93a1df48 2088 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
93a1df48
YAP		 2089 priv->bss_num = 0;
2090
d6bffe8b
AP		 2091 break;
2092 case NL80211_IFTYPE_AP:
2093 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
2094
2095 if (priv->bss_mode) {
2096 wiphy_err(wiphy, "Can't create multiple AP interfaces");
858faa57 2097 return ERR_PTR(-EINVAL);
d6bffe8b
AP		 2098 }
2099
2100 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2101 if (!wdev)
858faa57 2102 return ERR_PTR(-ENOMEM);
d6bffe8b
AP		 2103
2104 priv->wdev = wdev;
2105 wdev->wiphy = wiphy;
2106 wdev->iftype = NL80211_IFTYPE_AP;
2107
2108 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2109 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
a458c0ae 2110 priv->bss_priority = 0;
d6bffe8b
AP		 2111 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2112 priv->bss_started = 0;
2113 priv->bss_num = 0;
2114 priv->bss_mode = type;
2115
197f4a2e
SP		 2116 break;
2117 case NL80211_IFTYPE_P2P_CLIENT:
2118 priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
2119
2120 if (priv->bss_mode) {
2121 wiphy_err(wiphy, "Can't create multiple P2P ifaces");
2122 return ERR_PTR(-EINVAL);
2123 }
2124
2125 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2126 if (!wdev)
2127 return ERR_PTR(-ENOMEM);
2128
2129 priv->wdev = wdev;
2130 wdev->wiphy = wiphy;
2131
2132 /* At start-up, wpa_supplicant tries to change the interface
2133 * to NL80211_IFTYPE_STATION if it is not managed mode.
197f4a2e 2134 */
5586d3e2
PS		 2135 wdev->iftype = NL80211_IFTYPE_P2P_CLIENT;
2136 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
197f4a2e
SP		 2137
2138 /* Setting bss_type to P2P tells firmware that this interface
2139 * is receiving P2P peers found during find phase and doing
2140 * action frame handshake.
2141 */
2142 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2143
2144 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2145 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2146 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2147 priv->bss_started = 0;
2148 priv->bss_num = 0;
2149
66aa1ae2
BZ		 2150 if (mwifiex_cfg80211_init_p2p_client(priv))
2151 return ERR_PTR(-EFAULT);
2152
93a1df48
YAP		 2153 break;
2154 default:
2155 wiphy_err(wiphy, "type not supported\n");
858faa57 2156 return ERR_PTR(-EINVAL);
93a1df48
YAP		 2157 }
2158
47411a06
AP		 2159 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2160 ether_setup, IEEE80211_NUM_ACS, 1);
93a1df48
YAP		 2161 if (!dev) {
2162 wiphy_err(wiphy, "no memory available for netdevice\n");
858faa57
BZ		 2163 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2164 return ERR_PTR(-ENOMEM);
93a1df48
YAP		 2165 }
2166
d6bffe8b
AP		 2167 mwifiex_init_priv_params(priv, dev);
2168 priv->netdev = dev;
2169
2170 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
a5f39056
YAP		 2171 if (adapter->is_hw_11ac_capable)
2172 mwifiex_setup_vht_caps(
2173 &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
d6bffe8b
AP		 2174
2175 if (adapter->config_bands & BAND_A)
2176 mwifiex_setup_ht_caps(
2177 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2178
a5f39056
YAP		 2179 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2180 mwifiex_setup_vht_caps(
2181 &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);
2182
93a1df48
YAP		 2183 dev_net_set(dev, wiphy_net(wiphy));
2184 dev->ieee80211_ptr = priv->wdev;
2185 dev->ieee80211_ptr->iftype = priv->bss_mode;
2186 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
93a1df48
YAP		 2187 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2188
2189 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2190 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2191 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
0d7f53e3 2192 dev->ethtool_ops = &mwifiex_ethtool_ops;
93a1df48
YAP		 2193
2194 mdev_priv = netdev_priv(dev);
2195 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2196
93a1df48
YAP		 2197 SET_NETDEV_DEV(dev, adapter->dev);
2198
2199 /* Register network device */
2200 if (register_netdevice(dev)) {
2201 wiphy_err(wiphy, "cannot register virtual network device\n");
858faa57
BZ		 2202 free_netdev(dev);
2203 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2204 return ERR_PTR(-EFAULT);
93a1df48
YAP		 2205 }
2206
2207 sema_init(&priv->async_sem, 1);
93a1df48
YAP		 2208
2209 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
2210
2211#ifdef CONFIG_DEBUG_FS
2212 mwifiex_dev_debugfs_init(priv);
2213#endif
84efbb84 2214 return wdev;
93a1df48
YAP		 2215}
2216EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2217
2218/*
2219 * del_virtual_intf: remove the virtual interface determined by dev
2220 */
84efbb84 2221int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
93a1df48 2222{
84efbb84 2223 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
93a1df48
YAP		 2224
2225#ifdef CONFIG_DEBUG_FS
2226 mwifiex_dev_debugfs_remove(priv);
2227#endif
2228
47411a06 2229 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
93a1df48
YAP		 2230
2231 if (netif_carrier_ok(priv->netdev))
2232 netif_carrier_off(priv->netdev);
2233
84efbb84
JB		 2234 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2235 unregister_netdevice(wdev->netdev);
93a1df48 2236
93a1df48
YAP		 2237 /* Clear the priv in adapter */
2238 priv->netdev = NULL;
2239
2240 priv->media_connected = false;
2241
93a1df48
YAP		 2242 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2243
2244 return 0;
2245}
2246EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2247
7da060c1
AK		 2248#ifdef CONFIG_PM
2249static bool
2250mwifiex_is_pattern_supported(struct cfg80211_wowlan_trig_pkt_pattern *pat,
2251 s8 *byte_seq)
2252{
2253 int j, k, valid_byte_cnt = 0;
2254 bool dont_care_byte = false;
2255
2256 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
2257 for (k = 0; k < 8; k++) {
2258 if (pat->mask[j] & 1 << k) {
2259 memcpy(byte_seq + valid_byte_cnt,
2260 &pat->pattern[j * 8 + k], 1);
2261 valid_byte_cnt++;
2262 if (dont_care_byte)
2263 return false;
2264 } else {
2265 if (valid_byte_cnt)
2266 dont_care_byte = true;
2267 }
2268
2269 if (valid_byte_cnt > MAX_BYTESEQ)
2270 return false;
2271 }
2272 }
2273
2274 byte_seq[MAX_BYTESEQ] = valid_byte_cnt;
2275
2276 return true;
2277}
2278
2279static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
2280 struct cfg80211_wowlan *wowlan)
2281{
2282 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2283 struct mwifiex_ds_mef_cfg mef_cfg;
2284 struct mwifiex_mef_entry *mef_entry;
2285 int i, filt_num = 0, ret;
2286 bool first_pat = true;
2287 u8 byte_seq[MAX_BYTESEQ + 1];
2288 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2289 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2290 struct mwifiex_private *priv =
2291 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2292
2293 if (!wowlan) {
2294 dev_warn(adapter->dev, "None of the WOWLAN triggers enabled\n");
2295 return 0;
2296 }
2297
2298 if (!priv->media_connected) {
2299 dev_warn(adapter->dev,
2300 "Can not configure WOWLAN in disconnected state\n");
2301 return 0;
2302 }
2303
c678fb2a
BZ		 2304 mef_entry = kzalloc(sizeof(*mef_entry), GFP_KERNEL);
2305 if (!mef_entry)
2306 return -ENOMEM;
2307
7da060c1
AK		 2308 memset(&mef_cfg, 0, sizeof(mef_cfg));
2309 mef_cfg.num_entries = 1;
7da060c1
AK		 2310 mef_cfg.mef_entry = mef_entry;
2311 mef_entry->mode = MEF_MODE_HOST_SLEEP;
2312 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
2313
2314 for (i = 0; i < wowlan->n_patterns; i++) {
2315 memset(byte_seq, 0, sizeof(byte_seq));
2316 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
2317 byte_seq)) {
2318 wiphy_err(wiphy, "Pattern not supported\n");
2319 kfree(mef_entry);
2320 return -EOPNOTSUPP;
2321 }
2322
2323 if (!wowlan->patterns[i].pkt_offset) {
2324 if (!(byte_seq[0] & 0x01) &&
2325 (byte_seq[MAX_BYTESEQ] == 1)) {
2326 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2327 continue;
2328 } else if (is_broadcast_ether_addr(byte_seq)) {
2329 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST;
2330 continue;
2331 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
2332 (byte_seq[MAX_BYTESEQ] == 2)) ||
2333 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
2334 (byte_seq[MAX_BYTESEQ] == 3))) {
2335 mef_cfg.criteria |= MWIFIEX_CRITERIA_MULTICAST;
2336 continue;
2337 }
2338 }
2339
2340 mef_entry->filter[filt_num].repeat = 1;
2341 mef_entry->filter[filt_num].offset =
2342 wowlan->patterns[i].pkt_offset;
2343 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
2344 sizeof(byte_seq));
2345 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2346
2347 if (first_pat)
2348 first_pat = false;
2349 else
2350 mef_entry->filter[filt_num].filt_action = TYPE_AND;
2351
2352 filt_num++;
2353 }
2354
2355 if (wowlan->magic_pkt) {
2356 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2357 mef_entry->filter[filt_num].repeat = 16;
2358 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
2359 ETH_ALEN);
2360 mef_entry->filter[filt_num].byte_seq[MAX_BYTESEQ] = ETH_ALEN;
2361 mef_entry->filter[filt_num].offset = 14;
2362 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2363 if (filt_num)
2364 mef_entry->filter[filt_num].filt_action = TYPE_OR;
2365 }
2366
2367 if (!mef_cfg.criteria)
2368 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
2369 MWIFIEX_CRITERIA_UNICAST |
2370 MWIFIEX_CRITERIA_MULTICAST;
2371
2372 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_MEF_CFG,
2373 HostCmd_ACT_GEN_SET, 0,
2374 &mef_cfg);
2375
2376 kfree(mef_entry);
2377 return ret;
2378}
2379
2380static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
2381{
2382 return 0;
2383}
2384
2385static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
2386 bool enabled)
2387{
2388 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2389
2390 device_set_wakeup_enable(adapter->dev, enabled);
2391}
2392#endif
2393
5e6e3a92
BZ		 2394/* station cfg80211 operations */
2395static struct cfg80211_ops mwifiex_cfg80211_ops = {
93a1df48
YAP		 2396 .add_virtual_intf = mwifiex_add_virtual_intf,
2397 .del_virtual_intf = mwifiex_del_virtual_intf,
5e6e3a92
BZ		 2398 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
2399 .scan = mwifiex_cfg80211_scan,
2400 .connect = mwifiex_cfg80211_connect,
2401 .disconnect = mwifiex_cfg80211_disconnect,
2402 .get_station = mwifiex_cfg80211_get_station,
f85aae6b 2403 .dump_station = mwifiex_cfg80211_dump_station,
5e6e3a92 2404 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
5e6e3a92
BZ		 2405 .join_ibss = mwifiex_cfg80211_join_ibss,
2406 .leave_ibss = mwifiex_cfg80211_leave_ibss,
2407 .add_key = mwifiex_cfg80211_add_key,
2408 .del_key = mwifiex_cfg80211_del_key,
e39faa73 2409 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
3cec6870 2410 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
7feb4c48
SP		 2411 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
2412 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
5e6e3a92
BZ		 2413 .set_default_key = mwifiex_cfg80211_set_default_key,
2414 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
2415 .set_tx_power = mwifiex_cfg80211_set_tx_power,
5d82c53a 2416 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
12190c5d
AP		 2417 .start_ap = mwifiex_cfg80211_start_ap,
2418 .stop_ap = mwifiex_cfg80211_stop_ap,
5370c836 2419 .change_beacon = mwifiex_cfg80211_change_beacon,
fa444bf8 2420 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
8a279d5b 2421 .set_antenna = mwifiex_cfg80211_set_antenna,
7da060c1
AK		 2422#ifdef CONFIG_PM
2423 .suspend = mwifiex_cfg80211_suspend,
2424 .resume = mwifiex_cfg80211_resume,
2425 .set_wakeup = mwifiex_cfg80211_set_wakeup,
2426#endif
5e6e3a92
BZ		 2427};
2428
2429/*
2430 * This function registers the device with CFG802.11 subsystem.
2431 *
2432 * The function creates the wireless device/wiphy, populates it with
2433 * default parameters and handler function pointers, and finally
2434 * registers the device.
2435 */
d6bffe8b
AP		 2436
2437int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
5e6e3a92 2438{
270e58e8
YAP		 2439 int ret;
2440 void *wdev_priv;
d6bffe8b
AP		 2441 struct wiphy *wiphy;
2442 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
9e04a7c6 2443 u8 *country_code;
5e6e3a92 2444
d6bffe8b
AP		 2445 /* create a new wiphy for use with cfg80211 */
2446 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
2447 sizeof(struct mwifiex_adapter *));
2448 if (!wiphy) {
2449 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
5e6e3a92
BZ		 2450 return -ENOMEM;
2451 }
d6bffe8b
AP		 2452 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
2453 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
83719be8 2454 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
7feb4c48 2455 wiphy->max_remain_on_channel_duration = 5000;
d6bffe8b
AP		 2456 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2457 BIT(NL80211_IFTYPE_ADHOC) |
197f4a2e
SP		 2458 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2459 BIT(NL80211_IFTYPE_P2P_GO) |
d6bffe8b
AP		 2460 BIT(NL80211_IFTYPE_AP);
2461
2462 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
2463 if (adapter->config_bands & BAND_A)
2464 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
2465 else
2466 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
5e6e3a92 2467
cd8440da
AP		 2468 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
2469 wiphy->n_iface_combinations = 1;
2470
5e6e3a92 2471 /* Initialize cipher suits */
d6bffe8b
AP		 2472 wiphy->cipher_suites = mwifiex_cipher_suites;
2473 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
5e6e3a92 2474
d6bffe8b
AP		 2475 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
2476 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2dd2bd6b 2477 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
cc0ba0d5 2478 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
54428c57 2479 WIPHY_FLAG_AP_UAPSD |
7feb4c48
SP		 2480 WIPHY_FLAG_CUSTOM_REGULATORY |
2481 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
cc0ba0d5
AK		 2482
2483 wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
2dd2bd6b 2484
7da060c1
AK		 2485#ifdef CONFIG_PM
2486 wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT;
2487 wiphy->wowlan.n_patterns = MWIFIEX_MAX_FILTERS;
2488 wiphy->wowlan.pattern_min_len = 1;
2489 wiphy->wowlan.pattern_max_len = MWIFIEX_MAX_PATTERN_LEN;
2490 wiphy->wowlan.max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN;
2491#endif
2492
2dd2bd6b 2493 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
e39faa73
SP		 2494 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2495 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
5e6e3a92 2496
8a279d5b
AK		 2497 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
2498 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
5e6e3a92 2499
b292219f 2500 wiphy->features |= NL80211_FEATURE_HT_IBSS |
e45a8419
AK		 2501 NL80211_FEATURE_INACTIVITY_TIMER |
2502 NL80211_FEATURE_LOW_PRIORITY_SCAN;
05910f4a 2503
b5abcf02 2504 /* Reserve space for mwifiex specific private data for BSS */
d6bffe8b 2505 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
5116f3ce 2506
d6bffe8b 2507 wiphy->reg_notifier = mwifiex_reg_notifier;
5e6e3a92 2508
67fdf39e 2509 /* Set struct mwifiex_adapter pointer in wiphy_priv */
d6bffe8b 2510 wdev_priv = wiphy_priv(wiphy);
67fdf39e 2511 *(unsigned long *)wdev_priv = (unsigned long)adapter;
5e6e3a92 2512
2c208890 2513 set_wiphy_dev(wiphy, priv->adapter->dev);
a7b21165 2514
d6bffe8b 2515 ret = wiphy_register(wiphy);
5e6e3a92 2516 if (ret < 0) {
d6bffe8b
AP		 2517 dev_err(adapter->dev,
2518 "%s: wiphy_register failed: %d\n", __func__, ret);
2519 wiphy_free(wiphy);
5e6e3a92 2520 return ret;
5e6e3a92 2521 }
9e04a7c6 2522 country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
77c8a14b
BZ		 2523 if (country_code)
2524 dev_info(adapter->dev,
2525 "ignoring F/W country code %2.2s\n", country_code);
5e6e3a92 2526
d6bffe8b 2527 adapter->wiphy = wiphy;
5e6e3a92
BZ		 2528 return ret;
2529}
kernel source for telekom puls (alcatel/mediatek)