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cfg80211: add scan flag to indicate its priority
[deliverable/linux.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,
183 enum nl80211_channel_type channel_type,
184 bool channel_type_valid, unsigned int wait,
185 const u8 *buf, size_t len, bool no_cck,
186 bool dont_wait_for_ack, u64 *cookie)
187{
188 struct sk_buff *skb;
189 u16 pkt_len;
190 const struct ieee80211_mgmt *mgmt;
191 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
192
193 if (!buf || !len) {
194 wiphy_err(wiphy, "invalid buffer and length\n");
195 return -EFAULT;
196 }
197
198 mgmt = (const struct ieee80211_mgmt *)buf;
199 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
200 ieee80211_is_probe_resp(mgmt->frame_control)) {
201 /* Since we support offload probe resp, we need to skip probe
202 * resp in AP or GO mode */
203 wiphy_dbg(wiphy,
204 "info: skip to send probe resp in AP or GO mode\n");
205 return 0;
206 }
207
208 pkt_len = len + ETH_ALEN;
209 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
210 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
211 pkt_len + sizeof(pkt_len));
212
213 if (!skb) {
214 wiphy_err(wiphy, "allocate skb failed for management frame\n");
215 return -ENOMEM;
216 }
217
218 mwifiex_form_mgmt_frame(skb, buf, len);
219 mwifiex_queue_tx_pkt(priv, skb);
220
221 *cookie = random32() | 1;
222 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC);
223
224 wiphy_dbg(wiphy, "info: management frame transmitted\n");
225 return 0;
226}
227
3cec6870
SP		 228/*
229 * CFG802.11 operation handler to register a mgmt frame.
230 */
231static void
232mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
233 struct wireless_dev *wdev,
234 u16 frame_type, bool reg)
235{
236 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
237
238 if (reg)
239 priv->mgmt_frame_mask |= BIT(frame_type >> 4);
240 else
241 priv->mgmt_frame_mask &= ~BIT(frame_type >> 4);
242
243 mwifiex_send_cmd_async(priv, HostCmd_CMD_MGMT_FRAME_REG,
244 HostCmd_ACT_GEN_SET, 0, &priv->mgmt_frame_mask);
245
246 wiphy_dbg(wiphy, "info: mgmt frame registered\n");
247}
248
7feb4c48
SP		 249/*
250 * CFG802.11 operation handler to remain on channel.
251 */
252static int
253mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
254 struct wireless_dev *wdev,
255 struct ieee80211_channel *chan,
256 enum nl80211_channel_type channel_type,
257 unsigned int duration, u64 *cookie)
258{
259 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
260 int ret;
261
262 if (!chan || !cookie) {
263 wiphy_err(wiphy, "Invalid parameter for ROC\n");
264 return -EINVAL;
265 }
266
267 if (priv->roc_cfg.cookie) {
268 wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n",
269 priv->roc_cfg.cookie);
270 return -EBUSY;
271 }
272
273 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
274 &channel_type, duration);
275
276 if (!ret) {
277 *cookie = random32() | 1;
278 priv->roc_cfg.cookie = *cookie;
279 priv->roc_cfg.chan = *chan;
280 priv->roc_cfg.chan_type = channel_type;
281
282 cfg80211_ready_on_channel(wdev, *cookie, chan, channel_type,
283 duration, GFP_ATOMIC);
284
285 wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
286 }
287
288 return ret;
289}
290
291/*
292 * CFG802.11 operation handler to cancel remain on channel.
293 */
294static int
295mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
296 struct wireless_dev *wdev, u64 cookie)
297{
298 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
299 int ret;
300
301 if (cookie != priv->roc_cfg.cookie)
302 return -ENOENT;
303
304 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
305 &priv->roc_cfg.chan,
306 &priv->roc_cfg.chan_type, 0);
307
308 if (!ret) {
309 cfg80211_remain_on_channel_expired(wdev, cookie,
310 &priv->roc_cfg.chan,
311 priv->roc_cfg.chan_type,
312 GFP_ATOMIC);
313
314 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
315
316 wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
317 }
318
319 return ret;
320}
321
5e6e3a92
BZ		 322/*
323 * CFG802.11 operation handler to set Tx power.
324 */
325static int
326mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
327 enum nl80211_tx_power_setting type,
742c29fd 328 int mbm)
5e6e3a92 329{
67fdf39e
AP		 330 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
331 struct mwifiex_private *priv;
600f5d90 332 struct mwifiex_power_cfg power_cfg;
742c29fd 333 int dbm = MBM_TO_DBM(mbm);
5e6e3a92 334
600f5d90
AK		 335 if (type == NL80211_TX_POWER_FIXED) {
336 power_cfg.is_power_auto = 0;
337 power_cfg.power_level = dbm;
338 } else {
339 power_cfg.is_power_auto = 1;
340 }
341
67fdf39e
AP		 342 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
343
636c4598 344 return mwifiex_set_tx_power(priv, &power_cfg);
5e6e3a92
BZ		 345}
346
347/*
348 * CFG802.11 operation handler to set Power Save option.
349 *
350 * The timeout value, if provided, is currently ignored.
351 */
352static int
353mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
354 struct net_device *dev,
355 bool enabled, int timeout)
356{
f540f9f3 357 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
600f5d90 358 u32 ps_mode;
5e6e3a92
BZ		 359
360 if (timeout)
361 wiphy_dbg(wiphy,
aea0701e 362 "info: ignore timeout value for IEEE Power Save\n");
5e6e3a92 363
600f5d90 364 ps_mode = enabled;
5e6e3a92 365
636c4598 366 return mwifiex_drv_set_power(priv, &ps_mode);
5e6e3a92
BZ		 367}
368
369/*
370 * CFG802.11 operation handler to set the default network key.
371 */
372static int
373mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
374 u8 key_index, bool unicast,
375 bool multicast)
376{
f540f9f3 377 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
5e6e3a92 378
2d3d0a88 379 /* Return if WEP key not configured */
5eb02e44 380 if (!priv->sec_info.wep_enabled)
2d3d0a88
AK		 381 return 0;
382
96893538
AP		 383 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
384 priv->wep_key_curr_index = key_index;
53b11231
YL		 385 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
386 NULL, 0)) {
636c4598 387 wiphy_err(wiphy, "set default Tx key index\n");
5e6e3a92 388 return -EFAULT;
636c4598 389 }
5e6e3a92
BZ		 390
391 return 0;
392}
393
394/*
395 * CFG802.11 operation handler to add a network key.
396 */
397static int
398mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
399 u8 key_index, bool pairwise, const u8 *mac_addr,
400 struct key_params *params)
401{
f540f9f3 402 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
96893538 403 struct mwifiex_wep_key *wep_key;
75edd2c6
AP		 404 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
405 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 406
96893538
AP		 407 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
408 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
409 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
410 if (params->key && params->key_len) {
411 wep_key = &priv->wep_key[key_index];
412 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
413 memcpy(wep_key->key_material, params->key,
414 params->key_len);
415 wep_key->key_index = key_index;
416 wep_key->key_length = params->key_len;
417 priv->sec_info.wep_enabled = 1;
418 }
419 return 0;
420 }
421
53b11231 422 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
75edd2c6 423 key_index, peer_mac, 0)) {
636c4598 424 wiphy_err(wiphy, "crypto keys added\n");
5e6e3a92 425 return -EFAULT;
636c4598 426 }
5e6e3a92
BZ		 427
428 return 0;
429}
430
431/*
432 * This function sends domain information to the firmware.
433 *
434 * The following information are passed to the firmware -
435 * - Country codes
436 * - Sub bands (first channel, number of channels, maximum Tx power)
437 */
438static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
439{
440 u8 no_of_triplet = 0;
441 struct ieee80211_country_ie_triplet *t;
442 u8 no_of_parsed_chan = 0;
443 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
444 u8 i, flag = 0;
445 enum ieee80211_band band;
446 struct ieee80211_supported_band *sband;
447 struct ieee80211_channel *ch;
67fdf39e
AP		 448 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
449 struct mwifiex_private *priv;
5e6e3a92 450 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
5e6e3a92
BZ		 451
452 /* Set country code */
67fdf39e
AP		 453 domain_info->country_code[0] = adapter->country_code[0];
454 domain_info->country_code[1] = adapter->country_code[1];
5e6e3a92
BZ		 455 domain_info->country_code[2] = ' ';
456
457 band = mwifiex_band_to_radio_type(adapter->config_bands);
458 if (!wiphy->bands[band]) {
459 wiphy_err(wiphy, "11D: setting domain info in FW\n");
460 return -1;
461 }
462
463 sband = wiphy->bands[band];
464
465 for (i = 0; i < sband->n_channels ; i++) {
466 ch = &sband->channels[i];
467 if (ch->flags & IEEE80211_CHAN_DISABLED)
468 continue;
469
470 if (!flag) {
471 flag = 1;
472 first_chan = (u32) ch->hw_value;
473 next_chan = first_chan;
34202e28 474 max_pwr = ch->max_reg_power;
5e6e3a92
BZ		 475 no_of_parsed_chan = 1;
476 continue;
477 }
478
479 if (ch->hw_value == next_chan + 1 &&
34202e28 480 ch->max_reg_power == max_pwr) {
5e6e3a92
BZ		 481 next_chan++;
482 no_of_parsed_chan++;
483 } else {
484 t = &domain_info->triplet[no_of_triplet];
485 t->chans.first_channel = first_chan;
486 t->chans.num_channels = no_of_parsed_chan;
487 t->chans.max_power = max_pwr;
488 no_of_triplet++;
489 first_chan = (u32) ch->hw_value;
490 next_chan = first_chan;
34202e28 491 max_pwr = ch->max_reg_power;
5e6e3a92
BZ		 492 no_of_parsed_chan = 1;
493 }
494 }
495
496 if (flag) {
497 t = &domain_info->triplet[no_of_triplet];
498 t->chans.first_channel = first_chan;
499 t->chans.num_channels = no_of_parsed_chan;
500 t->chans.max_power = max_pwr;
501 no_of_triplet++;
502 }
503
504 domain_info->no_of_triplet = no_of_triplet;
636c4598 505
67fdf39e
AP		 506 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
507
636c4598 508 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
aea0701e 509 HostCmd_ACT_GEN_SET, 0, NULL)) {
5e6e3a92 510 wiphy_err(wiphy, "11D: setting domain info in FW\n");
636c4598
YAP		 511 return -1;
512 }
5e6e3a92 513
636c4598 514 return 0;
5e6e3a92
BZ		 515}
516
517/*
518 * CFG802.11 regulatory domain callback function.
519 *
520 * This function is called when the regulatory domain is changed due to the
521 * following reasons -
522 * - Set by driver
523 * - Set by system core
524 * - Set by user
525 * - Set bt Country IE
526 */
527static int mwifiex_reg_notifier(struct wiphy *wiphy,
aea0701e 528 struct regulatory_request *request)
5e6e3a92 529{
67fdf39e 530 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
5e6e3a92 531
67fdf39e
AP		 532 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
533 request->alpha2[0], request->alpha2[1]);
5e6e3a92 534
67fdf39e 535 memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2));
5e6e3a92
BZ		 536
537 switch (request->initiator) {
538 case NL80211_REGDOM_SET_BY_DRIVER:
539 case NL80211_REGDOM_SET_BY_CORE:
540 case NL80211_REGDOM_SET_BY_USER:
541 break;
542 /* Todo: apply driver specific changes in channel flags based
543 on the request initiator if necessary. */
544 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
545 break;
546 }
547 mwifiex_send_domain_info_cmd_fw(wiphy);
548
549 return 0;
550}
551
5e6e3a92
BZ		 552/*
553 * This function sets the fragmentation threshold.
554 *
600f5d90 555 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
5e6e3a92
BZ		 556 * and MWIFIEX_FRAG_MAX_VALUE.
557 */
558static int
559mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
560{
aea0701e
YAP		 561 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
562 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
9b930eae 563 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
5e6e3a92 564
9b930eae
AP		 565 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
566 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
567 &frag_thr);
5e6e3a92
BZ		 568}
569
570/*
571 * This function sets the RTS threshold.
600f5d90
AK		 572
573 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
574 * and MWIFIEX_RTS_MAX_VALUE.
5e6e3a92
BZ		 575 */
576static int
577mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
578{
5e6e3a92
BZ		 579 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
580 rts_thr = MWIFIEX_RTS_MAX_VALUE;
581
636c4598 582 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
600f5d90
AK		 583 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
584 &rts_thr);
5e6e3a92
BZ		 585}
586
587/*
588 * CFG802.11 operation handler to set wiphy parameters.
589 *
590 * This function can be used to set the RTS threshold and the
591 * Fragmentation threshold of the driver.
592 */
593static int
594mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
595{
67fdf39e 596 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
9b930eae
AP		 597 struct mwifiex_private *priv;
598 struct mwifiex_uap_bss_param *bss_cfg;
599 int ret, bss_started, i;
600
601 for (i = 0; i < adapter->priv_num; i++) {
602 priv = adapter->priv[i];
603
604 switch (priv->bss_role) {
605 case MWIFIEX_BSS_ROLE_UAP:
606 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
607 GFP_KERNEL);
608 if (!bss_cfg)
609 return -ENOMEM;
610
611 mwifiex_set_sys_config_invalid_data(bss_cfg);
612
613 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
614 bss_cfg->rts_threshold = wiphy->rts_threshold;
615 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
616 bss_cfg->frag_threshold = wiphy->frag_threshold;
617 if (changed & WIPHY_PARAM_RETRY_LONG)
618 bss_cfg->retry_limit = wiphy->retry_long;
619
620 bss_started = priv->bss_started;
621
622 ret = mwifiex_send_cmd_sync(priv,
623 HostCmd_CMD_UAP_BSS_STOP,
624 HostCmd_ACT_GEN_SET, 0,
625 NULL);
626 if (ret) {
627 wiphy_err(wiphy, "Failed to stop the BSS\n");
628 kfree(bss_cfg);
629 return ret;
630 }
631
632 ret = mwifiex_send_cmd_async(priv,
633 HostCmd_CMD_UAP_SYS_CONFIG,
634 HostCmd_ACT_GEN_SET,
e76268da 635 UAP_BSS_PARAMS_I, bss_cfg);
5e6e3a92 636
9b930eae
AP		 637 kfree(bss_cfg);
638
639 if (ret) {
640 wiphy_err(wiphy, "Failed to set bss config\n");
641 return ret;
642 }
5e6e3a92 643
9b930eae
AP		 644 if (!bss_started)
645 break;
646
647 ret = mwifiex_send_cmd_async(priv,
648 HostCmd_CMD_UAP_BSS_START,
649 HostCmd_ACT_GEN_SET, 0,
650 NULL);
651 if (ret) {
652 wiphy_err(wiphy, "Failed to start BSS\n");
653 return ret;
654 }
655
656 break;
657 case MWIFIEX_BSS_ROLE_STA:
658 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
659 ret = mwifiex_set_rts(priv,
660 wiphy->rts_threshold);
661 if (ret)
662 return ret;
663 }
664 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
665 ret = mwifiex_set_frag(priv,
666 wiphy->frag_threshold);
667 if (ret)
668 return ret;
669 }
670 break;
671 }
672 }
673
674 return 0;
5e6e3a92
BZ		 675}
676
e1a2b7a3
SP		 677static int
678mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
679{
680 u16 mode = P2P_MODE_DISABLE;
681
9197ab9e
SP		 682 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
683 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
684
e1a2b7a3
SP		 685 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
686 HostCmd_ACT_GEN_SET, 0, &mode))
687 return -1;
688
689 return 0;
690}
691
692/*
693 * This function initializes the functionalities for P2P client.
694 * The P2P client initialization sequence is:
695 * disable -> device -> client
696 */
697static int
698mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
699{
700 u16 mode;
701
702 if (mwifiex_cfg80211_deinit_p2p(priv))
703 return -1;
704
705 mode = P2P_MODE_DEVICE;
706 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
707 HostCmd_ACT_GEN_SET, 0, &mode))
708 return -1;
709
710 mode = P2P_MODE_CLIENT;
711 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
712 HostCmd_ACT_GEN_SET, 0, &mode))
713 return -1;
714
715 return 0;
716}
717
9197ab9e
SP		 718/*
719 * This function initializes the functionalities for P2P GO.
720 * The P2P GO initialization sequence is:
721 * disable -> device -> GO
722 */
723static int
724mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
725{
726 u16 mode;
727
728 if (mwifiex_cfg80211_deinit_p2p(priv))
729 return -1;
730
731 mode = P2P_MODE_DEVICE;
732 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
733 HostCmd_ACT_GEN_SET, 0, &mode))
734 return -1;
735
736 mode = P2P_MODE_GO;
737 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
738 HostCmd_ACT_GEN_SET, 0, &mode))
739 return -1;
740
741 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
742 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
743
744 return 0;
745}
746
5e6e3a92
BZ		 747/*
748 * CFG802.11 operation handler to change interface type.
5e6e3a92
BZ		 749 */
750static int
751mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
752 struct net_device *dev,
753 enum nl80211_iftype type, u32 *flags,
754 struct vif_params *params)
755{
270e58e8 756 int ret;
5e6e3a92 757 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 758
4f02341a 759 switch (dev->ieee80211_ptr->iftype) {
5e6e3a92 760 case NL80211_IFTYPE_ADHOC:
4f02341a
AP		 761 switch (type) {
762 case NL80211_IFTYPE_STATION:
763 break;
764 case NL80211_IFTYPE_UNSPECIFIED:
765 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
766 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
767 return 0;
768 case NL80211_IFTYPE_AP:
769 default:
770 wiphy_err(wiphy, "%s: changing to %d not supported\n",
771 dev->name, type);
772 return -EOPNOTSUPP;
773 }
5e6e3a92
BZ		 774 break;
775 case NL80211_IFTYPE_STATION:
4f02341a
AP		 776 switch (type) {
777 case NL80211_IFTYPE_ADHOC:
778 break;
e1a2b7a3
SP		 779 case NL80211_IFTYPE_P2P_CLIENT:
780 if (mwifiex_cfg80211_init_p2p_client(priv))
781 return -EFAULT;
782 dev->ieee80211_ptr->iftype = type;
783 return 0;
9197ab9e
SP		 784 case NL80211_IFTYPE_P2P_GO:
785 if (mwifiex_cfg80211_init_p2p_go(priv))
786 return -EFAULT;
787 dev->ieee80211_ptr->iftype = type;
788 return 0;
4f02341a
AP		 789 case NL80211_IFTYPE_UNSPECIFIED:
790 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
791 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
792 return 0;
793 case NL80211_IFTYPE_AP:
794 default:
795 wiphy_err(wiphy, "%s: changing to %d not supported\n",
796 dev->name, type);
797 return -EOPNOTSUPP;
798 }
799 break;
800 case NL80211_IFTYPE_AP:
801 switch (type) {
802 case NL80211_IFTYPE_UNSPECIFIED:
803 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
804 case NL80211_IFTYPE_AP: /* This shouldn't happen */
805 return 0;
806 case NL80211_IFTYPE_ADHOC:
807 case NL80211_IFTYPE_STATION:
808 default:
809 wiphy_err(wiphy, "%s: changing to %d not supported\n",
810 dev->name, type);
811 return -EOPNOTSUPP;
812 }
5e6e3a92 813 break;
e1a2b7a3 814 case NL80211_IFTYPE_P2P_CLIENT:
9197ab9e 815 case NL80211_IFTYPE_P2P_GO:
e1a2b7a3
SP		 816 switch (type) {
817 case NL80211_IFTYPE_STATION:
818 if (mwifiex_cfg80211_deinit_p2p(priv))
819 return -EFAULT;
820 dev->ieee80211_ptr->iftype = type;
821 return 0;
822 default:
823 return -EOPNOTSUPP;
824 }
825 break;
5e6e3a92 826 default:
4f02341a
AP		 827 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
828 dev->name, dev->ieee80211_ptr->iftype);
829 return -EOPNOTSUPP;
5e6e3a92 830 }
5e6e3a92 831
4f02341a
AP		 832 dev->ieee80211_ptr->iftype = type;
833 priv->bss_mode = type;
600f5d90 834 mwifiex_deauthenticate(priv, NULL);
eecd8250 835
f986b6d5 836 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
eecd8250 837
600f5d90
AK		 838 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
839 HostCmd_ACT_GEN_SET, 0, NULL);
eecd8250 840
5e6e3a92
BZ		 841 return ret;
842}
843
844/*
845 * This function dumps the station information on a buffer.
846 *
847 * The following information are shown -
848 * - Total bytes transmitted
849 * - Total bytes received
850 * - Total packets transmitted
851 * - Total packets received
852 * - Signal quality level
853 * - Transmission rate
854 */
855static int
856mwifiex_dump_station_info(struct mwifiex_private *priv,
857 struct station_info *sinfo)
858{
006606c0 859 u32 rate;
5e6e3a92
BZ		 860
861 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
7013d3e2
AK		 862 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
863 STATION_INFO_TX_BITRATE |
864 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
5e6e3a92
BZ		 865
866 /* Get signal information from the firmware */
958a4a86
AK		 867 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
868 HostCmd_ACT_GEN_GET, 0, NULL)) {
869 dev_err(priv->adapter->dev, "failed to get signal information\n");
870 return -EFAULT;
5e6e3a92
BZ		 871 }
872
873 if (mwifiex_drv_get_data_rate(priv, &rate)) {
874 dev_err(priv->adapter->dev, "getting data rate\n");
958a4a86 875 return -EFAULT;
5e6e3a92
BZ		 876 }
877
caf60a6c
AK		 878 /* Get DTIM period information from firmware */
879 mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
880 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
881 &priv->dtim_period);
882
4ec6f9c0
AK		 883 /*
884 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
fe020120 885 * MCS index values for us are 0 to 15.
4ec6f9c0 886 */
fe020120 887 if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
4ec6f9c0
AK		 888 sinfo->txrate.mcs = priv->tx_rate;
889 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
890 /* 40MHz rate */
891 if (priv->tx_htinfo & BIT(1))
892 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
893 /* SGI enabled */
894 if (priv->tx_htinfo & BIT(2))
895 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
896 }
897
7013d3e2 898 sinfo->signal_avg = priv->bcn_rssi_avg;
5e6e3a92
BZ		 899 sinfo->rx_bytes = priv->stats.rx_bytes;
900 sinfo->tx_bytes = priv->stats.tx_bytes;
901 sinfo->rx_packets = priv->stats.rx_packets;
902 sinfo->tx_packets = priv->stats.tx_packets;
958a4a86 903 sinfo->signal = priv->bcn_rssi_avg;
4ec6f9c0 904 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
006606c0 905 sinfo->txrate.legacy = rate * 5;
5e6e3a92 906
c4f3b972
AK		 907 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
908 sinfo->filled |= STATION_INFO_BSS_PARAM;
909 sinfo->bss_param.flags = 0;
910 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
911 WLAN_CAPABILITY_SHORT_PREAMBLE)
912 sinfo->bss_param.flags |=
913 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
914 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
915 WLAN_CAPABILITY_SHORT_SLOT_TIME)
916 sinfo->bss_param.flags |=
917 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
caf60a6c 918 sinfo->bss_param.dtim_period = priv->dtim_period;
c4f3b972
AK		 919 sinfo->bss_param.beacon_interval =
920 priv->curr_bss_params.bss_descriptor.beacon_period;
921 }
922
958a4a86 923 return 0;
5e6e3a92
BZ		 924}
925
926/*
927 * CFG802.11 operation handler to get station information.
928 *
929 * This function only works in connected mode, and dumps the
930 * requested station information, if available.
931 */
932static int
933mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
934 u8 *mac, struct station_info *sinfo)
935{
936 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 937
5e6e3a92
BZ		 938 if (!priv->media_connected)
939 return -ENOENT;
940 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
941 return -ENOENT;
942
636c4598 943 return mwifiex_dump_station_info(priv, sinfo);
5e6e3a92
BZ		 944}
945
f85aae6b
AK		 946/*
947 * CFG802.11 operation handler to dump station information.
948 */
949static int
950mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
951 int idx, u8 *mac, struct station_info *sinfo)
952{
953 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
954
955 if (!priv->media_connected || idx)
956 return -ENOENT;
957
958 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
959
960 return mwifiex_dump_station_info(priv, sinfo);
961}
962
5e6e3a92 963/* Supported rates to be advertised to the cfg80211 */
5e6e3a92
BZ		 964static struct ieee80211_rate mwifiex_rates[] = {
965 {.bitrate = 10, .hw_value = 2, },
966 {.bitrate = 20, .hw_value = 4, },
967 {.bitrate = 55, .hw_value = 11, },
968 {.bitrate = 110, .hw_value = 22, },
5e6e3a92
BZ		 969 {.bitrate = 60, .hw_value = 12, },
970 {.bitrate = 90, .hw_value = 18, },
971 {.bitrate = 120, .hw_value = 24, },
972 {.bitrate = 180, .hw_value = 36, },
973 {.bitrate = 240, .hw_value = 48, },
974 {.bitrate = 360, .hw_value = 72, },
975 {.bitrate = 480, .hw_value = 96, },
976 {.bitrate = 540, .hw_value = 108, },
5e6e3a92
BZ		 977};
978
979/* Channel definitions to be advertised to cfg80211 */
5e6e3a92
BZ		 980static struct ieee80211_channel mwifiex_channels_2ghz[] = {
981 {.center_freq = 2412, .hw_value = 1, },
982 {.center_freq = 2417, .hw_value = 2, },
983 {.center_freq = 2422, .hw_value = 3, },
984 {.center_freq = 2427, .hw_value = 4, },
985 {.center_freq = 2432, .hw_value = 5, },
986 {.center_freq = 2437, .hw_value = 6, },
987 {.center_freq = 2442, .hw_value = 7, },
988 {.center_freq = 2447, .hw_value = 8, },
989 {.center_freq = 2452, .hw_value = 9, },
990 {.center_freq = 2457, .hw_value = 10, },
991 {.center_freq = 2462, .hw_value = 11, },
992 {.center_freq = 2467, .hw_value = 12, },
993 {.center_freq = 2472, .hw_value = 13, },
994 {.center_freq = 2484, .hw_value = 14, },
995};
996
997static struct ieee80211_supported_band mwifiex_band_2ghz = {
998 .channels = mwifiex_channels_2ghz,
999 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1000 .bitrates = mwifiex_rates,
8763848e 1001 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
5e6e3a92
BZ		 1002};
1003
1004static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1005 {.center_freq = 5040, .hw_value = 8, },
1006 {.center_freq = 5060, .hw_value = 12, },
1007 {.center_freq = 5080, .hw_value = 16, },
1008 {.center_freq = 5170, .hw_value = 34, },
1009 {.center_freq = 5190, .hw_value = 38, },
1010 {.center_freq = 5210, .hw_value = 42, },
1011 {.center_freq = 5230, .hw_value = 46, },
1012 {.center_freq = 5180, .hw_value = 36, },
1013 {.center_freq = 5200, .hw_value = 40, },
1014 {.center_freq = 5220, .hw_value = 44, },
1015 {.center_freq = 5240, .hw_value = 48, },
1016 {.center_freq = 5260, .hw_value = 52, },
1017 {.center_freq = 5280, .hw_value = 56, },
1018 {.center_freq = 5300, .hw_value = 60, },
1019 {.center_freq = 5320, .hw_value = 64, },
1020 {.center_freq = 5500, .hw_value = 100, },
1021 {.center_freq = 5520, .hw_value = 104, },
1022 {.center_freq = 5540, .hw_value = 108, },
1023 {.center_freq = 5560, .hw_value = 112, },
1024 {.center_freq = 5580, .hw_value = 116, },
1025 {.center_freq = 5600, .hw_value = 120, },
1026 {.center_freq = 5620, .hw_value = 124, },
1027 {.center_freq = 5640, .hw_value = 128, },
1028 {.center_freq = 5660, .hw_value = 132, },
1029 {.center_freq = 5680, .hw_value = 136, },
1030 {.center_freq = 5700, .hw_value = 140, },
1031 {.center_freq = 5745, .hw_value = 149, },
1032 {.center_freq = 5765, .hw_value = 153, },
1033 {.center_freq = 5785, .hw_value = 157, },
1034 {.center_freq = 5805, .hw_value = 161, },
1035 {.center_freq = 5825, .hw_value = 165, },
1036};
1037
1038static struct ieee80211_supported_band mwifiex_band_5ghz = {
1039 .channels = mwifiex_channels_5ghz,
1040 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
eb416ad3
AP		 1041 .bitrates = mwifiex_rates + 4,
1042 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
5e6e3a92
BZ		 1043};
1044
1045
1046/* Supported crypto cipher suits to be advertised to cfg80211 */
5e6e3a92
BZ		 1047static const u32 mwifiex_cipher_suites[] = {
1048 WLAN_CIPHER_SUITE_WEP40,
1049 WLAN_CIPHER_SUITE_WEP104,
1050 WLAN_CIPHER_SUITE_TKIP,
1051 WLAN_CIPHER_SUITE_CCMP,
53b11231 1052 WLAN_CIPHER_SUITE_AES_CMAC,
5e6e3a92
BZ		 1053};
1054
83719be8
SP		 1055/* Supported mgmt frame types to be advertised to cfg80211 */
1056static const struct ieee80211_txrx_stypes
1057mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1058 [NL80211_IFTYPE_STATION] = {
1059 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1060 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1061 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1062 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1063 },
1064 [NL80211_IFTYPE_AP] = {
1065 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1066 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1067 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1068 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1069 },
1070 [NL80211_IFTYPE_P2P_CLIENT] = {
1071 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1072 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1073 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1074 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1075 },
1076 [NL80211_IFTYPE_P2P_GO] = {
1077 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1078 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1079 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1080 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1081 },
1082};
1083
5d82c53a
YAP		 1084/*
1085 * CFG802.11 operation handler for setting bit rates.
1086 *
433c3990
AK		 1087 * Function configures data rates to firmware using bitrate mask
1088 * provided by cfg80211.
5d82c53a
YAP		 1089 */
1090static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1091 struct net_device *dev,
1092 const u8 *peer,
1093 const struct cfg80211_bitrate_mask *mask)
1094{
5d82c53a 1095 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
433c3990
AK		 1096 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1097 enum ieee80211_band band;
5d82c53a 1098
433c3990
AK		 1099 if (!priv->media_connected) {
1100 dev_err(priv->adapter->dev,
1101 "Can not set Tx data rate in disconnected state\n");
1102 return -EINVAL;
5d82c53a
YAP		 1103 }
1104
433c3990 1105 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
5d82c53a 1106
433c3990 1107 memset(bitmap_rates, 0, sizeof(bitmap_rates));
5d82c53a 1108
433c3990
AK		 1109 /* Fill HR/DSSS rates. */
1110 if (band == IEEE80211_BAND_2GHZ)
1111 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
5d82c53a 1112
433c3990
AK		 1113 /* Fill OFDM rates */
1114 if (band == IEEE80211_BAND_2GHZ)
1115 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1116 else
1117 bitmap_rates[1] = mask->control[band].legacy;
1118
1119 /* Fill MCS rates */
1120 bitmap_rates[2] = mask->control[band].mcs[0];
1121 if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1122 bitmap_rates[2] |= mask->control[band].mcs[1] << 8;
1123
1124 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_TX_RATE_CFG,
1125 HostCmd_ACT_GEN_SET, 0, bitmap_rates);
5d82c53a
YAP		 1126}
1127
fa444bf8
AK		 1128/*
1129 * CFG802.11 operation handler for connection quality monitoring.
1130 *
1131 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1132 * events to FW.
1133 */
1134static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1135 struct net_device *dev,
1136 s32 rssi_thold, u32 rssi_hyst)
1137{
1138 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1139 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1140
1141 priv->cqm_rssi_thold = rssi_thold;
1142 priv->cqm_rssi_hyst = rssi_hyst;
1143
1144 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1145 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1146
1147 /* Subscribe/unsubscribe low and high rssi events */
1148 if (rssi_thold && rssi_hyst) {
1149 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1150 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1151 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1152 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1153 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
1154 return mwifiex_send_cmd_sync(priv,
1155 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1156 0, 0, &subsc_evt);
1157 } else {
1158 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
1159 return mwifiex_send_cmd_sync(priv,
1160 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1161 0, 0, &subsc_evt);
1162 }
1163
1164 return 0;
1165}
1166
5370c836
AP		 1167/* cfg80211 operation handler for change_beacon.
1168 * Function retrieves and sets modified management IEs to FW.
1169 */
1170static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1171 struct net_device *dev,
1172 struct cfg80211_beacon_data *data)
1173{
1174 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1175
9197ab9e 1176 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
5370c836
AP		 1177 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
1178 return -EINVAL;
1179 }
1180
1181 if (!priv->bss_started) {
1182 wiphy_err(wiphy, "%s: bss not started\n", __func__);
1183 return -EINVAL;
1184 }
1185
1186 if (mwifiex_set_mgmt_ies(priv, data)) {
1187 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
1188 return -EFAULT;
1189 }
1190
1191 return 0;
1192}
1193
8a279d5b
AK		 1194static int
1195mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1196{
1197 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1198 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1199 MWIFIEX_BSS_ROLE_ANY);
1200 struct mwifiex_ds_ant_cfg ant_cfg;
1201
1202 if (!tx_ant || !rx_ant)
1203 return -EOPNOTSUPP;
1204
1205 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1206 /* Not a MIMO chip. User should provide specific antenna number
1207 * for Tx/Rx path or enable all antennas for diversity
1208 */
1209 if (tx_ant != rx_ant)
1210 return -EOPNOTSUPP;
1211
1212 if ((tx_ant & (tx_ant - 1)) &&
1213 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1214 return -EOPNOTSUPP;
1215
1216 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1217 (priv->adapter->number_of_antenna > 1)) {
1218 tx_ant = RF_ANTENNA_AUTO;
1219 rx_ant = RF_ANTENNA_AUTO;
1220 }
1221 }
1222
1223 ant_cfg.tx_ant = tx_ant;
1224 ant_cfg.rx_ant = rx_ant;
1225
1226 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA,
1227 HostCmd_ACT_GEN_SET, 0, &ant_cfg);
1228}
1229
12190c5d
AP		 1230/* cfg80211 operation handler for stop ap.
1231 * Function stops BSS running at uAP interface.
1232 */
1233static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1234{
1235 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1236
40bbc21a
AP		 1237 if (mwifiex_del_mgmt_ies(priv))
1238 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
1239
c8258913
AP		 1240 priv->ap_11n_enabled = 0;
1241
12190c5d
AP		 1242 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1243 HostCmd_ACT_GEN_SET, 0, NULL)) {
1244 wiphy_err(wiphy, "Failed to stop the BSS\n");
1245 return -1;
1246 }
1247
1248 return 0;
1249}
1250
1251/* cfg80211 operation handler for start_ap.
1252 * Function sets beacon period, DTIM period, SSID and security into
1253 * AP config structure.
1254 * AP is configured with these settings and BSS is started.
1255 */
1256static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1257 struct net_device *dev,
1258 struct cfg80211_ap_settings *params)
1259{
1260 struct mwifiex_uap_bss_param *bss_cfg;
1261 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
05910f4a 1262 u8 config_bands = 0;
12190c5d 1263
9197ab9e 1264 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
f752dcd5 1265 return -1;
adb6ed0c 1266 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
f31acabe 1267 return -1;
f752dcd5 1268
12190c5d
AP		 1269 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1270 if (!bss_cfg)
1271 return -ENOMEM;
1272
1273 mwifiex_set_sys_config_invalid_data(bss_cfg);
1274
1275 if (params->beacon_interval)
1276 bss_cfg->beacon_period = params->beacon_interval;
1277 if (params->dtim_period)
1278 bss_cfg->dtim_period = params->dtim_period;
1279
1280 if (params->ssid && params->ssid_len) {
1281 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1282 bss_cfg->ssid.ssid_len = params->ssid_len;
1283 }
1284
7a1c9934
AP		 1285 switch (params->hidden_ssid) {
1286 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1287 bss_cfg->bcast_ssid_ctl = 1;
1288 break;
1289 case NL80211_HIDDEN_SSID_ZERO_LEN:
1290 bss_cfg->bcast_ssid_ctl = 0;
1291 break;
1292 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1293 /* firmware doesn't support this type of hidden SSID */
1294 default:
b3190466 1295 kfree(bss_cfg);
7a1c9934
AP		 1296 return -EINVAL;
1297 }
1298
0abd79e5
AP		 1299 bss_cfg->channel =
1300 (u8)ieee80211_frequency_to_channel(params->channel->center_freq);
0abd79e5 1301
05910f4a
AK		 1302 /* Set appropriate bands */
1303 if (params->channel->band == IEEE80211_BAND_2GHZ) {
a3c2c4f6
AP		 1304 bss_cfg->band_cfg = BAND_CONFIG_BG;
1305
05910f4a
AK		 1306 if (params->channel_type == NL80211_CHAN_NO_HT)
1307 config_bands = BAND_B | BAND_G;
1308 else
1309 config_bands = BAND_B | BAND_G | BAND_GN;
1310 } else {
a3c2c4f6
AP		 1311 bss_cfg->band_cfg = BAND_CONFIG_A;
1312
05910f4a
AK		 1313 if (params->channel_type == NL80211_CHAN_NO_HT)
1314 config_bands = BAND_A;
1315 else
1316 config_bands = BAND_AN | BAND_A;
0abd79e5
AP		 1317 }
1318
05910f4a
AK		 1319 if (!((config_bands | priv->adapter->fw_bands) &
1320 ~priv->adapter->fw_bands))
1321 priv->adapter->config_bands = config_bands;
1322
a3c2c4f6 1323 mwifiex_set_uap_rates(bss_cfg, params);
05910f4a
AK		 1324 mwifiex_send_domain_info_cmd_fw(wiphy);
1325
f752dcd5
AP		 1326 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1327 kfree(bss_cfg);
1328 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1329 return -1;
1330 }
1331
22281256
AP		 1332 mwifiex_set_ht_params(priv, bss_cfg, params);
1333
8b4509f6
KG		 1334 if (params->inactivity_timeout > 0) {
1335 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1336 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1337 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1338 }
1339
12190c5d
AP		 1340 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1341 HostCmd_ACT_GEN_SET, 0, NULL)) {
1342 wiphy_err(wiphy, "Failed to stop the BSS\n");
1343 kfree(bss_cfg);
1344 return -1;
1345 }
1346
1347 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG,
e76268da
AP		 1348 HostCmd_ACT_GEN_SET,
1349 UAP_BSS_PARAMS_I, bss_cfg)) {
12190c5d
AP		 1350 wiphy_err(wiphy, "Failed to set the SSID\n");
1351 kfree(bss_cfg);
1352 return -1;
1353 }
1354
1355 kfree(bss_cfg);
1356
1357 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START,
1358 HostCmd_ACT_GEN_SET, 0, NULL)) {
1359 wiphy_err(wiphy, "Failed to start the BSS\n");
1360 return -1;
1361 }
1362
96893538
AP		 1363 if (priv->sec_info.wep_enabled)
1364 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1365 else
1366 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1367
1368 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1369 HostCmd_ACT_GEN_SET, 0,
1370 &priv->curr_pkt_filter))
1371 return -1;
1372
12190c5d
AP		 1373 return 0;
1374}
1375
5e6e3a92
BZ		 1376/*
1377 * CFG802.11 operation handler for disconnection request.
1378 *
1379 * This function does not work when there is already a disconnection
1380 * procedure going on.
1381 */
1382static int
1383mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1384 u16 reason_code)
1385{
1386 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1387
600f5d90 1388 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 1389 return -EFAULT;
1390
1391 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1392 " reason code %d\n", priv->cfg_bssid, reason_code);
1393
38c9d664 1394 memset(priv->cfg_bssid, 0, ETH_ALEN);
5e6e3a92
BZ		 1395
1396 return 0;
1397}
1398
1399/*
1400 * This function informs the CFG802.11 subsystem of a new IBSS.
1401 *
1402 * The following information are sent to the CFG802.11 subsystem
1403 * to register the new IBSS. If we do not register the new IBSS,
1404 * a kernel panic will result.
1405 * - SSID
1406 * - SSID length
1407 * - BSSID
1408 * - Channel
1409 */
1410static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1411{
5e6e3a92
BZ		 1412 struct ieee80211_channel *chan;
1413 struct mwifiex_bss_info bss_info;
aa95a48d 1414 struct cfg80211_bss *bss;
270e58e8 1415 int ie_len;
5e6e3a92 1416 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
4ed5d521 1417 enum ieee80211_band band;
5e6e3a92 1418
636c4598
YAP		 1419 if (mwifiex_get_bss_info(priv, &bss_info))
1420 return -1;
5e6e3a92
BZ		 1421
1422 ie_buf[0] = WLAN_EID_SSID;
1423 ie_buf[1] = bss_info.ssid.ssid_len;
1424
1425 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
aea0701e 1426 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
5e6e3a92
BZ		 1427 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1428
4ed5d521 1429 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
5e6e3a92
BZ		 1430 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1431 ieee80211_channel_to_frequency(bss_info.bss_chan,
4ed5d521 1432 band));
5e6e3a92 1433
aa95a48d 1434 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
aea0701e
YAP		 1435 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1436 0, ie_buf, ie_len, 0, GFP_KERNEL);
aa95a48d 1437 cfg80211_put_bss(bss);
5e6e3a92
BZ		 1438 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1439
636c4598 1440 return 0;
5e6e3a92
BZ		 1441}
1442
5e6e3a92
BZ		 1443/*
1444 * This function connects with a BSS.
1445 *
1446 * This function handles both Infra and Ad-Hoc modes. It also performs
1447 * validity checking on the provided parameters, disconnects from the
1448 * current BSS (if any), sets up the association/scan parameters,
1449 * including security settings, and performs specific SSID scan before
1450 * trying to connect.
1451 *
1452 * For Infra mode, the function returns failure if the specified SSID
1453 * is not found in scan table. However, for Ad-Hoc mode, it can create
1454 * the IBSS if it does not exist. On successful completion in either case,
7c6fa2a8 1455 * the function notifies the CFG802.11 subsystem of the new BSS connection.
5e6e3a92
BZ		 1456 */
1457static int
1458mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
1459 u8 *bssid, int mode, struct ieee80211_channel *channel,
1460 struct cfg80211_connect_params *sme, bool privacy)
1461{
b9be5f39 1462 struct cfg80211_ssid req_ssid;
270e58e8 1463 int ret, auth_type = 0;
7c6fa2a8 1464 struct cfg80211_bss *bss = NULL;
05910f4a 1465 u8 is_scanning_required = 0, config_bands = 0;
5e6e3a92 1466
b9be5f39 1467 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
5e6e3a92
BZ		 1468
1469 req_ssid.ssid_len = ssid_len;
1470 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1471 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1472 return -EINVAL;
1473 }
1474
1475 memcpy(req_ssid.ssid, ssid, ssid_len);
1476 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1477 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1478 return -EINVAL;
1479 }
1480
1481 /* disconnect before try to associate */
600f5d90 1482 mwifiex_deauthenticate(priv, NULL);
5e6e3a92 1483
05910f4a
AK		 1484 if (channel) {
1485 if (mode == NL80211_IFTYPE_STATION) {
1486 if (channel->band == IEEE80211_BAND_2GHZ)
1487 config_bands = BAND_B | BAND_G | BAND_GN;
1488 else
1489 config_bands = BAND_A | BAND_AN;
1490
1491 if (!((config_bands | priv->adapter->fw_bands) &
1492 ~priv->adapter->fw_bands))
1493 priv->adapter->config_bands = config_bands;
1494 }
05910f4a 1495 }
5e6e3a92 1496
6670f15b
AK		 1497 /* As this is new association, clear locally stored
1498 * keys and security related flags */
1499 priv->sec_info.wpa_enabled = false;
1500 priv->sec_info.wpa2_enabled = false;
1501 priv->wep_key_curr_index = 0;
00f157b4 1502 priv->sec_info.encryption_mode = 0;
a0f6d6ca 1503 priv->sec_info.is_authtype_auto = 0;
53b11231 1504 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
5e6e3a92 1505
eecd8250 1506 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1507 /* "privacy" is set only for ad-hoc mode */
1508 if (privacy) {
1509 /*
2be50b8d 1510 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
5e6e3a92
BZ		 1511 * the firmware can find a matching network from the
1512 * scan. The cfg80211 does not give us the encryption
1513 * mode at this stage so just setting it to WEP here.
1514 */
203afeca 1515 priv->sec_info.encryption_mode =
2be50b8d 1516 WLAN_CIPHER_SUITE_WEP104;
203afeca 1517 priv->sec_info.authentication_mode =
f986b6d5 1518 NL80211_AUTHTYPE_OPEN_SYSTEM;
5e6e3a92
BZ		 1519 }
1520
1521 goto done;
1522 }
1523
1524 /* Now handle infra mode. "sme" is valid for infra mode only */
a0f6d6ca 1525 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
f986b6d5 1526 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
a0f6d6ca
AK		 1527 priv->sec_info.is_authtype_auto = 1;
1528 } else {
1529 auth_type = sme->auth_type;
1530 }
5e6e3a92
BZ		 1531
1532 if (sme->crypto.n_ciphers_pairwise) {
2be50b8d
YAP		 1533 priv->sec_info.encryption_mode =
1534 sme->crypto.ciphers_pairwise[0];
203afeca 1535 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 1536 }
1537
1538 if (sme->crypto.cipher_group) {
2be50b8d 1539 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
203afeca 1540 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 1541 }
1542 if (sme->ie)
1543 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1544
1545 if (sme->key) {
e6faada5 1546 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
5e6e3a92
BZ		 1547 dev_dbg(priv->adapter->dev,
1548 "info: setting wep encryption"
1549 " with key len %d\n", sme->key_len);
6670f15b 1550 priv->wep_key_curr_index = sme->key_idx;
53b11231
YL		 1551 ret = mwifiex_set_encode(priv, NULL, sme->key,
1552 sme->key_len, sme->key_idx,
1553 NULL, 0);
5e6e3a92
BZ		 1554 }
1555 }
1556done:
7c6fa2a8
AK		 1557 /*
1558 * Scan entries are valid for some time (15 sec). So we can save one
1559 * active scan time if we just try cfg80211_get_bss first. If it fails
1560 * then request scan and cfg80211_get_bss() again for final output.
1561 */
1562 while (1) {
1563 if (is_scanning_required) {
1564 /* Do specific SSID scanning */
1565 if (mwifiex_request_scan(priv, &req_ssid)) {
1566 dev_err(priv->adapter->dev, "scan error\n");
1567 return -EFAULT;
1568 }
1569 }
5e6e3a92 1570
7c6fa2a8
AK		 1571 /* Find the BSS we want using available scan results */
1572 if (mode == NL80211_IFTYPE_ADHOC)
1573 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1574 bssid, ssid, ssid_len,
1575 WLAN_CAPABILITY_IBSS,
1576 WLAN_CAPABILITY_IBSS);
1577 else
1578 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1579 bssid, ssid, ssid_len,
1580 WLAN_CAPABILITY_ESS,
1581 WLAN_CAPABILITY_ESS);
1582
1583 if (!bss) {
1584 if (is_scanning_required) {
aea0701e
YAP		 1585 dev_warn(priv->adapter->dev,
1586 "assoc: requested bss not found in scan results\n");
7c6fa2a8
AK		 1587 break;
1588 }
1589 is_scanning_required = 1;
1590 } else {
aea0701e
YAP		 1591 dev_dbg(priv->adapter->dev,
1592 "info: trying to associate to '%s' bssid %pM\n",
1593 (char *) req_ssid.ssid, bss->bssid);
7c6fa2a8
AK		 1594 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1595 break;
1596 }
5e6e3a92
BZ		 1597 }
1598
06975884
AK		 1599 ret = mwifiex_bss_start(priv, bss, &req_ssid);
1600 if (ret)
1601 return ret;
5e6e3a92 1602
eecd8250 1603 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1604 /* Inform the BSS information to kernel, otherwise
1605 * kernel will give a panic after successful assoc */
1606 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1607 return -EFAULT;
1608 }
1609
1610 return ret;
1611}
1612
1613/*
1614 * CFG802.11 operation handler for association request.
1615 *
1616 * This function does not work when the current mode is set to Ad-Hoc, or
1617 * when there is already an association procedure going on. The given BSS
1618 * information is used to associate.
1619 */
1620static int
1621mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1622 struct cfg80211_connect_params *sme)
1623{
1624 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1625 int ret = 0;
5e6e3a92 1626
eecd8250 1627 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1628 wiphy_err(wiphy, "received infra assoc request "
1629 "when station is in ibss mode\n");
1630 goto done;
1631 }
1632
e568634a
AP		 1633 if (priv->bss_mode == NL80211_IFTYPE_AP) {
1634 wiphy_err(wiphy, "skip association request for AP interface\n");
1635 goto done;
1636 }
1637
5e6e3a92 1638 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
aea0701e 1639 (char *) sme->ssid, sme->bssid);
5e6e3a92
BZ		 1640
1641 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
eecd8250 1642 priv->bss_mode, sme->channel, sme, 0);
5e6e3a92 1643done:
38c9d664
AK		 1644 if (!ret) {
1645 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1646 NULL, 0, WLAN_STATUS_SUCCESS,
1647 GFP_KERNEL);
1648 dev_dbg(priv->adapter->dev,
1649 "info: associated to bssid %pM successfully\n",
1650 priv->cfg_bssid);
1651 } else {
1652 dev_dbg(priv->adapter->dev,
1653 "info: association to bssid %pM failed\n",
1654 priv->cfg_bssid);
1655 memset(priv->cfg_bssid, 0, ETH_ALEN);
06975884
AK		 1656
1657 if (ret > 0)
1658 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1659 NULL, 0, NULL, 0, ret,
1660 GFP_KERNEL);
1661 else
1662 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1663 NULL, 0, NULL, 0,
1664 WLAN_STATUS_UNSPECIFIED_FAILURE,
1665 GFP_KERNEL);
38c9d664
AK		 1666 }
1667
06975884 1668 return 0;
5e6e3a92
BZ		 1669}
1670
05910f4a
AK		 1671/*
1672 * This function sets following parameters for ibss network.
1673 * - channel
1674 * - start band
1675 * - 11n flag
1676 * - secondary channel offset
1677 */
1678static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
1679 struct cfg80211_ibss_params *params)
1680{
1681 struct wiphy *wiphy = priv->wdev->wiphy;
1682 struct mwifiex_adapter *adapter = priv->adapter;
1683 int index = 0, i;
1684 u8 config_bands = 0;
1685
1686 if (params->channel->band == IEEE80211_BAND_2GHZ) {
1687 if (!params->basic_rates) {
1688 config_bands = BAND_B | BAND_G;
1689 } else {
1690 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
1691 /*
1692 * Rates below 6 Mbps in the table are CCK
1693 * rates; 802.11b and from 6 they are OFDM;
1694 * 802.11G
1695 */
1696 if (mwifiex_rates[i].bitrate == 60) {
1697 index = 1 << i;
1698 break;
1699 }
1700 }
1701
1702 if (params->basic_rates < index) {
1703 config_bands = BAND_B;
1704 } else {
1705 config_bands = BAND_G;
1706 if (params->basic_rates % index)
1707 config_bands |= BAND_B;
1708 }
1709 }
1710
1711 if (params->channel_type != NL80211_CHAN_NO_HT)
1712 config_bands |= BAND_GN;
1713 } else {
1714 if (params->channel_type == NL80211_CHAN_NO_HT)
1715 config_bands = BAND_A;
1716 else
1717 config_bands = BAND_AN | BAND_A;
1718 }
1719
1720 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
1721 adapter->config_bands = config_bands;
1722 adapter->adhoc_start_band = config_bands;
1723
1724 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
1725 adapter->adhoc_11n_enabled = true;
1726 else
1727 adapter->adhoc_11n_enabled = false;
1728 }
1729
1730 adapter->sec_chan_offset =
1731 mwifiex_chan_type_to_sec_chan_offset(params->channel_type);
1732 priv->adhoc_channel =
1733 ieee80211_frequency_to_channel(params->channel->center_freq);
1734
1735 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
1736 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
1737
1738 return 0;
1739}
1740
5e6e3a92
BZ		 1741/*
1742 * CFG802.11 operation handler to join an IBSS.
1743 *
1744 * This function does not work in any mode other than Ad-Hoc, or if
1745 * a join operation is already in progress.
1746 */
1747static int
1748mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1749 struct cfg80211_ibss_params *params)
1750{
f540f9f3 1751 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 1752 int ret = 0;
5e6e3a92 1753
eecd8250 1754 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1755 wiphy_err(wiphy, "request to join ibss received "
1756 "when station is not in ibss mode\n");
1757 goto done;
1758 }
1759
5e6e3a92 1760 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
aea0701e 1761 (char *) params->ssid, params->bssid);
5e6e3a92 1762
05910f4a
AK		 1763 mwifiex_set_ibss_params(priv, params);
1764
5e6e3a92 1765 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
aea0701e
YAP		 1766 params->bssid, priv->bss_mode,
1767 params->channel, NULL, params->privacy);
5e6e3a92 1768done:
38c9d664
AK		 1769 if (!ret) {
1770 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
1771 dev_dbg(priv->adapter->dev,
1772 "info: joined/created adhoc network with bssid"
1773 " %pM successfully\n", priv->cfg_bssid);
1774 } else {
1775 dev_dbg(priv->adapter->dev,
1776 "info: failed creating/joining adhoc network\n");
1777 }
1778
5e6e3a92
BZ		 1779 return ret;
1780}
1781
1782/*
1783 * CFG802.11 operation handler to leave an IBSS.
1784 *
1785 * This function does not work if a leave operation is
1786 * already in progress.
1787 */
1788static int
1789mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1790{
f540f9f3 1791 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 1792
5e6e3a92 1793 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
aea0701e 1794 priv->cfg_bssid);
600f5d90 1795 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 1796 return -EFAULT;
1797
38c9d664 1798 memset(priv->cfg_bssid, 0, ETH_ALEN);
5e6e3a92
BZ		 1799
1800 return 0;
1801}
1802
1803/*
1804 * CFG802.11 operation handler for scan request.
1805 *
1806 * This function issues a scan request to the firmware based upon
1807 * the user specified scan configuration. On successfull completion,
1808 * it also informs the results.
1809 */
1810static int
fd014284 1811mwifiex_cfg80211_scan(struct wiphy *wiphy,
5e6e3a92
BZ		 1812 struct cfg80211_scan_request *request)
1813{
fd014284 1814 struct net_device *dev = request->wdev->netdev;
5e6e3a92 1815 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
c2476335 1816 int i, offset, ret;
38c9d664 1817 struct ieee80211_channel *chan;
ea021f56 1818 struct ieee_types_header *ie;
5e6e3a92
BZ		 1819
1820 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1821
de09364e
AK		 1822 if (atomic_read(&priv->wmm.tx_pkts_queued) >=
1823 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) {
1824 dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n");
1825 return -EBUSY;
1826 }
1827
5e6e3a92
BZ		 1828 priv->scan_request = request;
1829
38c9d664 1830 priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
aea0701e 1831 GFP_KERNEL);
38c9d664
AK		 1832 if (!priv->user_scan_cfg) {
1833 dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
1834 return -ENOMEM;
1835 }
be0b281e
AK		 1836
1837 priv->user_scan_cfg->num_ssids = request->n_ssids;
1838 priv->user_scan_cfg->ssid_list = request->ssids;
1839
13d7ba78 1840 if (request->ie && request->ie_len) {
ea021f56 1841 offset = 0;
13d7ba78
AP		 1842 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1843 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1844 continue;
1845 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
ea021f56
SP		 1846 ie = (struct ieee_types_header *)(request->ie + offset);
1847 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
1848 offset += sizeof(*ie) + ie->len;
1849
1850 if (offset >= request->ie_len)
1851 break;
13d7ba78
AP		 1852 }
1853 }
1854
38c9d664
AK		 1855 for (i = 0; i < request->n_channels; i++) {
1856 chan = request->channels[i];
1857 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1858 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
1859
1860 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
1861 priv->user_scan_cfg->chan_list[i].scan_type =
aea0701e 1862 MWIFIEX_SCAN_TYPE_PASSIVE;
38c9d664
AK		 1863 else
1864 priv->user_scan_cfg->chan_list[i].scan_type =
aea0701e 1865 MWIFIEX_SCAN_TYPE_ACTIVE;
38c9d664
AK		 1866
1867 priv->user_scan_cfg->chan_list[i].scan_time = 0;
1868 }
c2476335
BZ		 1869
1870 ret = mwifiex_scan_networks(priv, priv->user_scan_cfg);
1871 if (ret) {
1872 dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
1873 return ret;
1874 }
38c9d664 1875
13d7ba78
AP		 1876 if (request->ie && request->ie_len) {
1877 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1878 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
1879 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
1880 memset(&priv->vs_ie[i].ie, 0,
1881 MWIFIEX_MAX_VSIE_LEN);
1882 }
1883 }
1884 }
5e6e3a92
BZ		 1885 return 0;
1886}
1887
1888/*
1889 * This function sets up the CFG802.11 specific HT capability fields
1890 * with default values.
1891 *
1892 * The following default values are set -
1893 * - HT Supported = True
a46b7b5c
AK		 1894 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1895 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1896 * - HT Capabilities supported by firmware
5e6e3a92
BZ		 1897 * - MCS information, Rx mask = 0xff
1898 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1899 */
1900static void
1901mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
1902 struct mwifiex_private *priv)
1903{
1904 int rx_mcs_supp;
1905 struct ieee80211_mcs_info mcs_set;
1906 u8 *mcs = (u8 *)&mcs_set;
1907 struct mwifiex_adapter *adapter = priv->adapter;
1908
1909 ht_info->ht_supported = true;
a46b7b5c
AK		 1910 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
1911 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
5e6e3a92
BZ		 1912
1913 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
5e6e3a92 1914
a46b7b5c
AK		 1915 /* Fill HT capability information */
1916 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1917 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1918 else
1919 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1920
1921 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
1922 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
1923 else
1924 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
1925
1926 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
1927 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
1928 else
1929 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
1930
1931 if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
1932 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
1933 else
1934 ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1935
1936 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
1937 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
1938 else
1939 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
1940
1941 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
1942 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
1943
1944 rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
5e6e3a92
BZ		 1945 /* Set MCS for 1x1 */
1946 memset(mcs, 0xff, rx_mcs_supp);
1947 /* Clear all the other values */
1948 memset(&mcs[rx_mcs_supp], 0,
aea0701e 1949 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
eecd8250 1950 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
aea0701e 1951 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
5e6e3a92
BZ		 1952 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1953 SETHT_MCS32(mcs_set.rx_mask);
1954
1955 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
1956
1957 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
1958}
1959
93a1df48
YAP		 1960/*
1961 * create a new virtual interface with the given name
1962 */
84efbb84 1963struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
552bff0c 1964 const char *name,
84efbb84
JB		 1965 enum nl80211_iftype type,
1966 u32 *flags,
1967 struct vif_params *params)
93a1df48 1968{
67fdf39e
AP		 1969 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1970 struct mwifiex_private *priv;
93a1df48
YAP		 1971 struct net_device *dev;
1972 void *mdev_priv;
d6bffe8b 1973 struct wireless_dev *wdev;
93a1df48 1974
93a1df48 1975 if (!adapter)
858faa57 1976 return ERR_PTR(-EFAULT);
93a1df48
YAP		 1977
1978 switch (type) {
1979 case NL80211_IFTYPE_UNSPECIFIED:
1980 case NL80211_IFTYPE_STATION:
1981 case NL80211_IFTYPE_ADHOC:
d6bffe8b 1982 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
93a1df48 1983 if (priv->bss_mode) {
d6bffe8b
AP		 1984 wiphy_err(wiphy,
1985 "cannot create multiple sta/adhoc ifaces\n");
858faa57 1986 return ERR_PTR(-EINVAL);
93a1df48
YAP		 1987 }
1988
d6bffe8b
AP		 1989 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1990 if (!wdev)
858faa57 1991 return ERR_PTR(-ENOMEM);
d6bffe8b
AP		 1992
1993 wdev->wiphy = wiphy;
1994 priv->wdev = wdev;
1995 wdev->iftype = NL80211_IFTYPE_STATION;
1996
93a1df48
YAP		 1997 if (type == NL80211_IFTYPE_UNSPECIFIED)
1998 priv->bss_mode = NL80211_IFTYPE_STATION;
1999 else
2000 priv->bss_mode = type;
2001
2002 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2003 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
a458c0ae 2004 priv->bss_priority = 0;
93a1df48 2005 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
93a1df48
YAP		 2006 priv->bss_num = 0;
2007
d6bffe8b
AP		 2008 break;
2009 case NL80211_IFTYPE_AP:
2010 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
2011
2012 if (priv->bss_mode) {
2013 wiphy_err(wiphy, "Can't create multiple AP interfaces");
858faa57 2014 return ERR_PTR(-EINVAL);
d6bffe8b
AP		 2015 }
2016
2017 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2018 if (!wdev)
858faa57 2019 return ERR_PTR(-ENOMEM);
d6bffe8b
AP		 2020
2021 priv->wdev = wdev;
2022 wdev->wiphy = wiphy;
2023 wdev->iftype = NL80211_IFTYPE_AP;
2024
2025 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2026 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
a458c0ae 2027 priv->bss_priority = 0;
d6bffe8b
AP		 2028 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2029 priv->bss_started = 0;
2030 priv->bss_num = 0;
2031 priv->bss_mode = type;
2032
197f4a2e
SP		 2033 break;
2034 case NL80211_IFTYPE_P2P_CLIENT:
2035 priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
2036
2037 if (priv->bss_mode) {
2038 wiphy_err(wiphy, "Can't create multiple P2P ifaces");
2039 return ERR_PTR(-EINVAL);
2040 }
2041
2042 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2043 if (!wdev)
2044 return ERR_PTR(-ENOMEM);
2045
2046 priv->wdev = wdev;
2047 wdev->wiphy = wiphy;
2048
2049 /* At start-up, wpa_supplicant tries to change the interface
2050 * to NL80211_IFTYPE_STATION if it is not managed mode.
2051 * So, we initialize it to STA mode.
2052 */
2053 wdev->iftype = NL80211_IFTYPE_STATION;
2054 priv->bss_mode = NL80211_IFTYPE_STATION;
2055
2056 /* Setting bss_type to P2P tells firmware that this interface
2057 * is receiving P2P peers found during find phase and doing
2058 * action frame handshake.
2059 */
2060 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2061
2062 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2063 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2064 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2065 priv->bss_started = 0;
2066 priv->bss_num = 0;
2067
93a1df48
YAP		 2068 break;
2069 default:
2070 wiphy_err(wiphy, "type not supported\n");
858faa57 2071 return ERR_PTR(-EINVAL);
93a1df48
YAP		 2072 }
2073
2074 dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name,
2075 ether_setup, 1);
2076 if (!dev) {
2077 wiphy_err(wiphy, "no memory available for netdevice\n");
858faa57
BZ		 2078 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2079 return ERR_PTR(-ENOMEM);
93a1df48
YAP		 2080 }
2081
d6bffe8b
AP		 2082 mwifiex_init_priv_params(priv, dev);
2083 priv->netdev = dev;
2084
2085 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
2086
2087 if (adapter->config_bands & BAND_A)
2088 mwifiex_setup_ht_caps(
2089 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2090
93a1df48
YAP		 2091 dev_net_set(dev, wiphy_net(wiphy));
2092 dev->ieee80211_ptr = priv->wdev;
2093 dev->ieee80211_ptr->iftype = priv->bss_mode;
2094 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
2095 memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
2096 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2097
2098 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2099 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2100 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
2101
2102 mdev_priv = netdev_priv(dev);
2103 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2104
93a1df48
YAP		 2105 SET_NETDEV_DEV(dev, adapter->dev);
2106
2107 /* Register network device */
2108 if (register_netdevice(dev)) {
2109 wiphy_err(wiphy, "cannot register virtual network device\n");
858faa57
BZ		 2110 free_netdev(dev);
2111 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2112 return ERR_PTR(-EFAULT);
93a1df48
YAP		 2113 }
2114
2115 sema_init(&priv->async_sem, 1);
2116 priv->scan_pending_on_block = false;
2117
2118 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
2119
2120#ifdef CONFIG_DEBUG_FS
2121 mwifiex_dev_debugfs_init(priv);
2122#endif
84efbb84 2123 return wdev;
93a1df48
YAP		 2124}
2125EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2126
2127/*
2128 * del_virtual_intf: remove the virtual interface determined by dev
2129 */
84efbb84 2130int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
93a1df48 2131{
84efbb84 2132 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
93a1df48
YAP		 2133
2134#ifdef CONFIG_DEBUG_FS
2135 mwifiex_dev_debugfs_remove(priv);
2136#endif
2137
2138 if (!netif_queue_stopped(priv->netdev))
2139 netif_stop_queue(priv->netdev);
2140
2141 if (netif_carrier_ok(priv->netdev))
2142 netif_carrier_off(priv->netdev);
2143
84efbb84
JB		 2144 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2145 unregister_netdevice(wdev->netdev);
93a1df48 2146
84efbb84
JB		 2147 if (wdev->netdev->reg_state == NETREG_UNREGISTERED)
2148 free_netdev(wdev->netdev);
93a1df48
YAP		 2149
2150 /* Clear the priv in adapter */
2151 priv->netdev = NULL;
2152
2153 priv->media_connected = false;
2154
93a1df48
YAP		 2155 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2156
2157 return 0;
2158}
2159EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2160
5e6e3a92
BZ		 2161/* station cfg80211 operations */
2162static struct cfg80211_ops mwifiex_cfg80211_ops = {
93a1df48
YAP		 2163 .add_virtual_intf = mwifiex_add_virtual_intf,
2164 .del_virtual_intf = mwifiex_del_virtual_intf,
5e6e3a92
BZ		 2165 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
2166 .scan = mwifiex_cfg80211_scan,
2167 .connect = mwifiex_cfg80211_connect,
2168 .disconnect = mwifiex_cfg80211_disconnect,
2169 .get_station = mwifiex_cfg80211_get_station,
f85aae6b 2170 .dump_station = mwifiex_cfg80211_dump_station,
5e6e3a92 2171 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
5e6e3a92
BZ		 2172 .join_ibss = mwifiex_cfg80211_join_ibss,
2173 .leave_ibss = mwifiex_cfg80211_leave_ibss,
2174 .add_key = mwifiex_cfg80211_add_key,
2175 .del_key = mwifiex_cfg80211_del_key,
e39faa73 2176 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
3cec6870 2177 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
7feb4c48
SP		 2178 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
2179 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
5e6e3a92
BZ		 2180 .set_default_key = mwifiex_cfg80211_set_default_key,
2181 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
2182 .set_tx_power = mwifiex_cfg80211_set_tx_power,
5d82c53a 2183 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
12190c5d
AP		 2184 .start_ap = mwifiex_cfg80211_start_ap,
2185 .stop_ap = mwifiex_cfg80211_stop_ap,
5370c836 2186 .change_beacon = mwifiex_cfg80211_change_beacon,
fa444bf8 2187 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
8a279d5b 2188 .set_antenna = mwifiex_cfg80211_set_antenna,
5e6e3a92
BZ		 2189};
2190
2191/*
2192 * This function registers the device with CFG802.11 subsystem.
2193 *
2194 * The function creates the wireless device/wiphy, populates it with
2195 * default parameters and handler function pointers, and finally
2196 * registers the device.
2197 */
d6bffe8b
AP		 2198
2199int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
5e6e3a92 2200{
270e58e8
YAP		 2201 int ret;
2202 void *wdev_priv;
d6bffe8b
AP		 2203 struct wiphy *wiphy;
2204 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
9e04a7c6 2205 u8 *country_code;
5e6e3a92 2206
d6bffe8b
AP		 2207 /* create a new wiphy for use with cfg80211 */
2208 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
2209 sizeof(struct mwifiex_adapter *));
2210 if (!wiphy) {
2211 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
5e6e3a92
BZ		 2212 return -ENOMEM;
2213 }
d6bffe8b
AP		 2214 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
2215 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
83719be8 2216 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
7feb4c48 2217 wiphy->max_remain_on_channel_duration = 5000;
d6bffe8b
AP		 2218 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2219 BIT(NL80211_IFTYPE_ADHOC) |
197f4a2e
SP		 2220 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2221 BIT(NL80211_IFTYPE_P2P_GO) |
d6bffe8b
AP		 2222 BIT(NL80211_IFTYPE_AP);
2223
2224 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
2225 if (adapter->config_bands & BAND_A)
2226 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
2227 else
2228 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
5e6e3a92 2229
cd8440da
AP		 2230 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
2231 wiphy->n_iface_combinations = 1;
2232
5e6e3a92 2233 /* Initialize cipher suits */
d6bffe8b
AP		 2234 wiphy->cipher_suites = mwifiex_cipher_suites;
2235 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
5e6e3a92 2236
d6bffe8b
AP		 2237 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
2238 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2dd2bd6b 2239 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
cc0ba0d5 2240 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
7feb4c48
SP		 2241 WIPHY_FLAG_CUSTOM_REGULATORY |
2242 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
cc0ba0d5
AK		 2243
2244 wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
2dd2bd6b
AP		 2245
2246 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
e39faa73
SP		 2247 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2248 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
5e6e3a92 2249
8a279d5b
AK		 2250 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
2251 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
5e6e3a92 2252
8b4509f6
KG		 2253 wiphy->features = NL80211_FEATURE_HT_IBSS |
2254 NL80211_FEATURE_INACTIVITY_TIMER;
05910f4a 2255
b5abcf02 2256 /* Reserve space for mwifiex specific private data for BSS */
d6bffe8b 2257 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
5116f3ce 2258
d6bffe8b 2259 wiphy->reg_notifier = mwifiex_reg_notifier;
5e6e3a92 2260
67fdf39e 2261 /* Set struct mwifiex_adapter pointer in wiphy_priv */
d6bffe8b 2262 wdev_priv = wiphy_priv(wiphy);
67fdf39e 2263 *(unsigned long *)wdev_priv = (unsigned long)adapter;
5e6e3a92 2264
2c208890 2265 set_wiphy_dev(wiphy, priv->adapter->dev);
a7b21165 2266
d6bffe8b 2267 ret = wiphy_register(wiphy);
5e6e3a92 2268 if (ret < 0) {
d6bffe8b
AP		 2269 dev_err(adapter->dev,
2270 "%s: wiphy_register failed: %d\n", __func__, ret);
2271 wiphy_free(wiphy);
5e6e3a92 2272 return ret;
5e6e3a92 2273 }
9e04a7c6 2274 country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
77c8a14b
BZ		 2275 if (country_code)
2276 dev_info(adapter->dev,
2277 "ignoring F/W country code %2.2s\n", country_code);
5e6e3a92 2278
d6bffe8b 2279 adapter->wiphy = wiphy;
5e6e3a92
BZ		 2280 return ret;
2281}
Linux kernel - Deliverables
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