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mwifiex: add set_antenna handler support
[linux-2.6-block.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 {
25 .max = 1, .types = BIT(NL80211_IFTYPE_STATION),
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
5e6e3a92
BZ		 40/*
41 * This function maps the nl802.11 channel type into driver channel type.
42 *
43 * The mapping is as follows -
21c3ba34
AK		 44 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
45 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
46 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
47 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
48 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
5e6e3a92 49 */
21c3ba34
AK		 50static u8
51mwifiex_cfg80211_channel_type_to_sec_chan_offset(enum nl80211_channel_type
52 channel_type)
5e6e3a92 53{
5e6e3a92
BZ		 54 switch (channel_type) {
55 case NL80211_CHAN_NO_HT:
56 case NL80211_CHAN_HT20:
21c3ba34 57 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
5e6e3a92 58 case NL80211_CHAN_HT40PLUS:
21c3ba34 59 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
5e6e3a92 60 case NL80211_CHAN_HT40MINUS:
21c3ba34 61 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
5e6e3a92 62 default:
21c3ba34 63 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
5e6e3a92 64 }
5e6e3a92
BZ		 65}
66
5e6e3a92
BZ		 67/*
68 * This function checks whether WEP is set.
69 */
70static int
71mwifiex_is_alg_wep(u32 cipher)
72{
5e6e3a92 73 switch (cipher) {
2be50b8d
YAP		 74 case WLAN_CIPHER_SUITE_WEP40:
75 case WLAN_CIPHER_SUITE_WEP104:
270e58e8 76 return 1;
5e6e3a92 77 default:
5e6e3a92
BZ		 78 break;
79 }
270e58e8
YAP		 80
81 return 0;
5e6e3a92
BZ		 82}
83
5e6e3a92
BZ		 84/*
85 * This function retrieves the private structure from kernel wiphy structure.
86 */
67fdf39e 87static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
5e6e3a92
BZ		 88{
89 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
90}
91
92/*
93 * CFG802.11 operation handler to delete a network key.
94 */
95static int
96mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
97 u8 key_index, bool pairwise, const u8 *mac_addr)
98{
f540f9f3 99 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
75edd2c6
AP		 100 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
101 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 102
75edd2c6 103 if (mwifiex_set_encode(priv, NULL, 0, key_index, peer_mac, 1)) {
5e6e3a92
BZ		 104 wiphy_err(wiphy, "deleting the crypto keys\n");
105 return -EFAULT;
106 }
107
108 wiphy_dbg(wiphy, "info: crypto keys deleted\n");
109 return 0;
110}
111
112/*
113 * CFG802.11 operation handler to set Tx power.
114 */
115static int
116mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
117 enum nl80211_tx_power_setting type,
742c29fd 118 int mbm)
5e6e3a92 119{
67fdf39e
AP		 120 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
121 struct mwifiex_private *priv;
600f5d90 122 struct mwifiex_power_cfg power_cfg;
742c29fd 123 int dbm = MBM_TO_DBM(mbm);
5e6e3a92 124
600f5d90
AK		 125 if (type == NL80211_TX_POWER_FIXED) {
126 power_cfg.is_power_auto = 0;
127 power_cfg.power_level = dbm;
128 } else {
129 power_cfg.is_power_auto = 1;
130 }
131
67fdf39e
AP		 132 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
133
636c4598 134 return mwifiex_set_tx_power(priv, &power_cfg);
5e6e3a92
BZ		 135}
136
137/*
138 * CFG802.11 operation handler to set Power Save option.
139 *
140 * The timeout value, if provided, is currently ignored.
141 */
142static int
143mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
144 struct net_device *dev,
145 bool enabled, int timeout)
146{
f540f9f3 147 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
600f5d90 148 u32 ps_mode;
5e6e3a92
BZ		 149
150 if (timeout)
151 wiphy_dbg(wiphy,
aea0701e 152 "info: ignore timeout value for IEEE Power Save\n");
5e6e3a92 153
600f5d90 154 ps_mode = enabled;
5e6e3a92 155
636c4598 156 return mwifiex_drv_set_power(priv, &ps_mode);
5e6e3a92
BZ		 157}
158
159/*
160 * CFG802.11 operation handler to set the default network key.
161 */
162static int
163mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
164 u8 key_index, bool unicast,
165 bool multicast)
166{
f540f9f3 167 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
5e6e3a92 168
2d3d0a88 169 /* Return if WEP key not configured */
5eb02e44 170 if (!priv->sec_info.wep_enabled)
2d3d0a88
AK		 171 return 0;
172
96893538
AP		 173 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
174 priv->wep_key_curr_index = key_index;
175 } else if (mwifiex_set_encode(priv, NULL, 0, key_index, NULL, 0)) {
636c4598 176 wiphy_err(wiphy, "set default Tx key index\n");
5e6e3a92 177 return -EFAULT;
636c4598 178 }
5e6e3a92
BZ		 179
180 return 0;
181}
182
183/*
184 * CFG802.11 operation handler to add a network key.
185 */
186static int
187mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
188 u8 key_index, bool pairwise, const u8 *mac_addr,
189 struct key_params *params)
190{
f540f9f3 191 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
96893538 192 struct mwifiex_wep_key *wep_key;
75edd2c6
AP		 193 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
194 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 195
96893538
AP		 196 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
197 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
198 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
199 if (params->key && params->key_len) {
200 wep_key = &priv->wep_key[key_index];
201 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
202 memcpy(wep_key->key_material, params->key,
203 params->key_len);
204 wep_key->key_index = key_index;
205 wep_key->key_length = params->key_len;
206 priv->sec_info.wep_enabled = 1;
207 }
208 return 0;
209 }
210
636c4598 211 if (mwifiex_set_encode(priv, params->key, params->key_len,
75edd2c6 212 key_index, peer_mac, 0)) {
636c4598 213 wiphy_err(wiphy, "crypto keys added\n");
5e6e3a92 214 return -EFAULT;
636c4598 215 }
5e6e3a92
BZ		 216
217 return 0;
218}
219
220/*
221 * This function sends domain information to the firmware.
222 *
223 * The following information are passed to the firmware -
224 * - Country codes
225 * - Sub bands (first channel, number of channels, maximum Tx power)
226 */
227static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
228{
229 u8 no_of_triplet = 0;
230 struct ieee80211_country_ie_triplet *t;
231 u8 no_of_parsed_chan = 0;
232 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
233 u8 i, flag = 0;
234 enum ieee80211_band band;
235 struct ieee80211_supported_band *sband;
236 struct ieee80211_channel *ch;
67fdf39e
AP		 237 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
238 struct mwifiex_private *priv;
5e6e3a92 239 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
5e6e3a92
BZ		 240
241 /* Set country code */
67fdf39e
AP		 242 domain_info->country_code[0] = adapter->country_code[0];
243 domain_info->country_code[1] = adapter->country_code[1];
5e6e3a92
BZ		 244 domain_info->country_code[2] = ' ';
245
246 band = mwifiex_band_to_radio_type(adapter->config_bands);
247 if (!wiphy->bands[band]) {
248 wiphy_err(wiphy, "11D: setting domain info in FW\n");
249 return -1;
250 }
251
252 sband = wiphy->bands[band];
253
254 for (i = 0; i < sband->n_channels ; i++) {
255 ch = &sband->channels[i];
256 if (ch->flags & IEEE80211_CHAN_DISABLED)
257 continue;
258
259 if (!flag) {
260 flag = 1;
261 first_chan = (u32) ch->hw_value;
262 next_chan = first_chan;
34202e28 263 max_pwr = ch->max_reg_power;
5e6e3a92
BZ		 264 no_of_parsed_chan = 1;
265 continue;
266 }
267
268 if (ch->hw_value == next_chan + 1 &&
34202e28 269 ch->max_reg_power == max_pwr) {
5e6e3a92
BZ		 270 next_chan++;
271 no_of_parsed_chan++;
272 } else {
273 t = &domain_info->triplet[no_of_triplet];
274 t->chans.first_channel = first_chan;
275 t->chans.num_channels = no_of_parsed_chan;
276 t->chans.max_power = max_pwr;
277 no_of_triplet++;
278 first_chan = (u32) ch->hw_value;
279 next_chan = first_chan;
34202e28 280 max_pwr = ch->max_reg_power;
5e6e3a92
BZ		 281 no_of_parsed_chan = 1;
282 }
283 }
284
285 if (flag) {
286 t = &domain_info->triplet[no_of_triplet];
287 t->chans.first_channel = first_chan;
288 t->chans.num_channels = no_of_parsed_chan;
289 t->chans.max_power = max_pwr;
290 no_of_triplet++;
291 }
292
293 domain_info->no_of_triplet = no_of_triplet;
636c4598 294
67fdf39e
AP		 295 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
296
636c4598 297 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
aea0701e 298 HostCmd_ACT_GEN_SET, 0, NULL)) {
5e6e3a92 299 wiphy_err(wiphy, "11D: setting domain info in FW\n");
636c4598
YAP		 300 return -1;
301 }
5e6e3a92 302
636c4598 303 return 0;
5e6e3a92
BZ		 304}
305
306/*
307 * CFG802.11 regulatory domain callback function.
308 *
309 * This function is called when the regulatory domain is changed due to the
310 * following reasons -
311 * - Set by driver
312 * - Set by system core
313 * - Set by user
314 * - Set bt Country IE
315 */
316static int mwifiex_reg_notifier(struct wiphy *wiphy,
aea0701e 317 struct regulatory_request *request)
5e6e3a92 318{
67fdf39e 319 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
5e6e3a92 320
67fdf39e
AP		 321 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
322 request->alpha2[0], request->alpha2[1]);
5e6e3a92 323
67fdf39e 324 memcpy(adapter->country_code, request->alpha2, sizeof(request->alpha2));
5e6e3a92
BZ		 325
326 switch (request->initiator) {
327 case NL80211_REGDOM_SET_BY_DRIVER:
328 case NL80211_REGDOM_SET_BY_CORE:
329 case NL80211_REGDOM_SET_BY_USER:
330 break;
331 /* Todo: apply driver specific changes in channel flags based
332 on the request initiator if necessary. */
333 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
334 break;
335 }
336 mwifiex_send_domain_info_cmd_fw(wiphy);
337
338 return 0;
339}
340
341/*
342 * This function sets the RF channel.
343 *
344 * This function creates multiple IOCTL requests, populates them accordingly
345 * and issues them to set the band/channel and frequency.
346 */
347static int
348mwifiex_set_rf_channel(struct mwifiex_private *priv,
349 struct ieee80211_channel *chan,
350 enum nl80211_channel_type channel_type)
351{
352 struct mwifiex_chan_freq_power cfp;
5e6e3a92
BZ		 353 u32 config_bands = 0;
354 struct wiphy *wiphy = priv->wdev->wiphy;
43906cdb 355 struct mwifiex_adapter *adapter = priv->adapter;
5e6e3a92 356
5e6e3a92 357 if (chan) {
5e6e3a92 358 /* Set appropriate bands */
3aebee02
AK		 359 if (chan->band == IEEE80211_BAND_2GHZ) {
360 if (channel_type == NL80211_CHAN_NO_HT)
361 if (priv->adapter->config_bands == BAND_B ||
aea0701e 362 priv->adapter->config_bands == BAND_G)
3aebee02
AK		 363 config_bands =
364 priv->adapter->config_bands;
365 else
366 config_bands = BAND_B | BAND_G;
367 else
368 config_bands = BAND_B | BAND_G | BAND_GN;
369 } else {
370 if (channel_type == NL80211_CHAN_NO_HT)
371 config_bands = BAND_A;
372 else
373 config_bands = BAND_AN | BAND_A;
374 }
636c4598 375
43906cdb
AK		 376 if (!((config_bands | adapter->fw_bands) &
377 ~adapter->fw_bands)) {
378 adapter->config_bands = config_bands;
379 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
380 adapter->adhoc_start_band = config_bands;
381 if ((config_bands & BAND_GN) ||
aea0701e 382 (config_bands & BAND_AN))
43906cdb
AK		 383 adapter->adhoc_11n_enabled = true;
384 else
385 adapter->adhoc_11n_enabled = false;
386 }
387 }
21c3ba34
AK		 388 adapter->sec_chan_offset =
389 mwifiex_cfg80211_channel_type_to_sec_chan_offset
5e6e3a92 390 (channel_type);
3aebee02 391 adapter->channel_type = channel_type;
5e6e3a92 392
5e6e3a92
BZ		 393 mwifiex_send_domain_info_cmd_fw(wiphy);
394 }
395
aea0701e
YAP		 396 wiphy_dbg(wiphy, "info: setting band %d, chan offset %d, mode %d\n",
397 config_bands, adapter->sec_chan_offset, priv->bss_mode);
5e6e3a92 398 if (!chan)
636c4598 399 return 0;
5e6e3a92
BZ		 400
401 memset(&cfp, 0, sizeof(cfp));
402 cfp.freq = chan->center_freq;
5e6e3a92
BZ		 403 cfp.channel = ieee80211_frequency_to_channel(chan->center_freq);
404
0abd79e5
AP		 405 if (priv->bss_type == MWIFIEX_BSS_TYPE_STA) {
406 if (mwifiex_bss_set_channel(priv, &cfp))
407 return -EFAULT;
4db16a18 408 return mwifiex_drv_change_adhoc_chan(priv, cfp.channel);
0abd79e5
AP		 409 }
410
411 return 0;
5e6e3a92
BZ		 412}
413
5e6e3a92
BZ		 414/*
415 * This function sets the fragmentation threshold.
416 *
600f5d90 417 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
5e6e3a92
BZ		 418 * and MWIFIEX_FRAG_MAX_VALUE.
419 */
420static int
421mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
422{
aea0701e
YAP		 423 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
424 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
9b930eae 425 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
5e6e3a92 426
9b930eae
AP		 427 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
428 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
429 &frag_thr);
5e6e3a92
BZ		 430}
431
432/*
433 * This function sets the RTS threshold.
600f5d90
AK		 434
435 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
436 * and MWIFIEX_RTS_MAX_VALUE.
5e6e3a92
BZ		 437 */
438static int
439mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
440{
5e6e3a92
BZ		 441 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
442 rts_thr = MWIFIEX_RTS_MAX_VALUE;
443
636c4598 444 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
600f5d90
AK		 445 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
446 &rts_thr);
5e6e3a92
BZ		 447}
448
449/*
450 * CFG802.11 operation handler to set wiphy parameters.
451 *
452 * This function can be used to set the RTS threshold and the
453 * Fragmentation threshold of the driver.
454 */
455static int
456mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
457{
67fdf39e 458 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
9b930eae
AP		 459 struct mwifiex_private *priv;
460 struct mwifiex_uap_bss_param *bss_cfg;
461 int ret, bss_started, i;
462
463 for (i = 0; i < adapter->priv_num; i++) {
464 priv = adapter->priv[i];
465
466 switch (priv->bss_role) {
467 case MWIFIEX_BSS_ROLE_UAP:
468 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
469 GFP_KERNEL);
470 if (!bss_cfg)
471 return -ENOMEM;
472
473 mwifiex_set_sys_config_invalid_data(bss_cfg);
474
475 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
476 bss_cfg->rts_threshold = wiphy->rts_threshold;
477 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
478 bss_cfg->frag_threshold = wiphy->frag_threshold;
479 if (changed & WIPHY_PARAM_RETRY_LONG)
480 bss_cfg->retry_limit = wiphy->retry_long;
481
482 bss_started = priv->bss_started;
483
484 ret = mwifiex_send_cmd_sync(priv,
485 HostCmd_CMD_UAP_BSS_STOP,
486 HostCmd_ACT_GEN_SET, 0,
487 NULL);
488 if (ret) {
489 wiphy_err(wiphy, "Failed to stop the BSS\n");
490 kfree(bss_cfg);
491 return ret;
492 }
493
494 ret = mwifiex_send_cmd_async(priv,
495 HostCmd_CMD_UAP_SYS_CONFIG,
496 HostCmd_ACT_GEN_SET,
e76268da 497 UAP_BSS_PARAMS_I, bss_cfg);
5e6e3a92 498
9b930eae
AP		 499 kfree(bss_cfg);
500
501 if (ret) {
502 wiphy_err(wiphy, "Failed to set bss config\n");
503 return ret;
504 }
5e6e3a92 505
9b930eae
AP		 506 if (!bss_started)
507 break;
508
509 ret = mwifiex_send_cmd_async(priv,
510 HostCmd_CMD_UAP_BSS_START,
511 HostCmd_ACT_GEN_SET, 0,
512 NULL);
513 if (ret) {
514 wiphy_err(wiphy, "Failed to start BSS\n");
515 return ret;
516 }
517
518 break;
519 case MWIFIEX_BSS_ROLE_STA:
520 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
521 ret = mwifiex_set_rts(priv,
522 wiphy->rts_threshold);
523 if (ret)
524 return ret;
525 }
526 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
527 ret = mwifiex_set_frag(priv,
528 wiphy->frag_threshold);
529 if (ret)
530 return ret;
531 }
532 break;
533 }
534 }
535
536 return 0;
5e6e3a92
BZ		 537}
538
539/*
540 * CFG802.11 operation handler to change interface type.
5e6e3a92
BZ		 541 */
542static int
543mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
544 struct net_device *dev,
545 enum nl80211_iftype type, u32 *flags,
546 struct vif_params *params)
547{
270e58e8 548 int ret;
5e6e3a92 549 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 550
4f02341a 551 switch (dev->ieee80211_ptr->iftype) {
5e6e3a92 552 case NL80211_IFTYPE_ADHOC:
4f02341a
AP		 553 switch (type) {
554 case NL80211_IFTYPE_STATION:
555 break;
556 case NL80211_IFTYPE_UNSPECIFIED:
557 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
558 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
559 return 0;
560 case NL80211_IFTYPE_AP:
561 default:
562 wiphy_err(wiphy, "%s: changing to %d not supported\n",
563 dev->name, type);
564 return -EOPNOTSUPP;
565 }
5e6e3a92
BZ		 566 break;
567 case NL80211_IFTYPE_STATION:
4f02341a
AP		 568 switch (type) {
569 case NL80211_IFTYPE_ADHOC:
570 break;
571 case NL80211_IFTYPE_UNSPECIFIED:
572 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
573 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
574 return 0;
575 case NL80211_IFTYPE_AP:
576 default:
577 wiphy_err(wiphy, "%s: changing to %d not supported\n",
578 dev->name, type);
579 return -EOPNOTSUPP;
580 }
581 break;
582 case NL80211_IFTYPE_AP:
583 switch (type) {
584 case NL80211_IFTYPE_UNSPECIFIED:
585 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
586 case NL80211_IFTYPE_AP: /* This shouldn't happen */
587 return 0;
588 case NL80211_IFTYPE_ADHOC:
589 case NL80211_IFTYPE_STATION:
590 default:
591 wiphy_err(wiphy, "%s: changing to %d not supported\n",
592 dev->name, type);
593 return -EOPNOTSUPP;
594 }
5e6e3a92 595 break;
5e6e3a92 596 default:
4f02341a
AP		 597 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
598 dev->name, dev->ieee80211_ptr->iftype);
599 return -EOPNOTSUPP;
5e6e3a92 600 }
5e6e3a92 601
4f02341a
AP		 602 dev->ieee80211_ptr->iftype = type;
603 priv->bss_mode = type;
600f5d90 604 mwifiex_deauthenticate(priv, NULL);
eecd8250 605
f986b6d5 606 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
eecd8250 607
600f5d90
AK		 608 ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
609 HostCmd_ACT_GEN_SET, 0, NULL);
eecd8250 610
5e6e3a92
BZ		 611 return ret;
612}
613
614/*
615 * This function dumps the station information on a buffer.
616 *
617 * The following information are shown -
618 * - Total bytes transmitted
619 * - Total bytes received
620 * - Total packets transmitted
621 * - Total packets received
622 * - Signal quality level
623 * - Transmission rate
624 */
625static int
626mwifiex_dump_station_info(struct mwifiex_private *priv,
627 struct station_info *sinfo)
628{
5e6e3a92 629 struct mwifiex_rate_cfg rate;
5e6e3a92
BZ		 630
631 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
7013d3e2
AK		 632 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
633 STATION_INFO_TX_BITRATE |
634 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
5e6e3a92
BZ		 635
636 /* Get signal information from the firmware */
958a4a86
AK		 637 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
638 HostCmd_ACT_GEN_GET, 0, NULL)) {
639 dev_err(priv->adapter->dev, "failed to get signal information\n");
640 return -EFAULT;
5e6e3a92
BZ		 641 }
642
643 if (mwifiex_drv_get_data_rate(priv, &rate)) {
644 dev_err(priv->adapter->dev, "getting data rate\n");
958a4a86 645 return -EFAULT;
5e6e3a92
BZ		 646 }
647
caf60a6c
AK		 648 /* Get DTIM period information from firmware */
649 mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
650 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
651 &priv->dtim_period);
652
4ec6f9c0
AK		 653 /*
654 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
655 * MCS index values for us are 0 to 7.
656 */
657 if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 8)) {
658 sinfo->txrate.mcs = priv->tx_rate;
659 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
660 /* 40MHz rate */
661 if (priv->tx_htinfo & BIT(1))
662 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
663 /* SGI enabled */
664 if (priv->tx_htinfo & BIT(2))
665 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
666 }
667
7013d3e2 668 sinfo->signal_avg = priv->bcn_rssi_avg;
5e6e3a92
BZ		 669 sinfo->rx_bytes = priv->stats.rx_bytes;
670 sinfo->tx_bytes = priv->stats.tx_bytes;
671 sinfo->rx_packets = priv->stats.rx_packets;
672 sinfo->tx_packets = priv->stats.tx_packets;
958a4a86 673 sinfo->signal = priv->bcn_rssi_avg;
4ec6f9c0
AK		 674 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
675 sinfo->txrate.legacy = rate.rate * 5;
5e6e3a92 676
c4f3b972
AK		 677 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
678 sinfo->filled |= STATION_INFO_BSS_PARAM;
679 sinfo->bss_param.flags = 0;
680 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
681 WLAN_CAPABILITY_SHORT_PREAMBLE)
682 sinfo->bss_param.flags |=
683 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
684 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
685 WLAN_CAPABILITY_SHORT_SLOT_TIME)
686 sinfo->bss_param.flags |=
687 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
caf60a6c 688 sinfo->bss_param.dtim_period = priv->dtim_period;
c4f3b972
AK		 689 sinfo->bss_param.beacon_interval =
690 priv->curr_bss_params.bss_descriptor.beacon_period;
691 }
692
958a4a86 693 return 0;
5e6e3a92
BZ		 694}
695
696/*
697 * CFG802.11 operation handler to get station information.
698 *
699 * This function only works in connected mode, and dumps the
700 * requested station information, if available.
701 */
702static int
703mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
704 u8 *mac, struct station_info *sinfo)
705{
706 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 707
5e6e3a92
BZ		 708 if (!priv->media_connected)
709 return -ENOENT;
710 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
711 return -ENOENT;
712
636c4598 713 return mwifiex_dump_station_info(priv, sinfo);
5e6e3a92
BZ		 714}
715
f85aae6b
AK		 716/*
717 * CFG802.11 operation handler to dump station information.
718 */
719static int
720mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
721 int idx, u8 *mac, struct station_info *sinfo)
722{
723 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
724
725 if (!priv->media_connected || idx)
726 return -ENOENT;
727
728 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
729
730 return mwifiex_dump_station_info(priv, sinfo);
731}
732
5e6e3a92
BZ		 733/* Supported rates to be advertised to the cfg80211 */
734
735static struct ieee80211_rate mwifiex_rates[] = {
736 {.bitrate = 10, .hw_value = 2, },
737 {.bitrate = 20, .hw_value = 4, },
738 {.bitrate = 55, .hw_value = 11, },
739 {.bitrate = 110, .hw_value = 22, },
5e6e3a92
BZ		 740 {.bitrate = 60, .hw_value = 12, },
741 {.bitrate = 90, .hw_value = 18, },
742 {.bitrate = 120, .hw_value = 24, },
743 {.bitrate = 180, .hw_value = 36, },
744 {.bitrate = 240, .hw_value = 48, },
745 {.bitrate = 360, .hw_value = 72, },
746 {.bitrate = 480, .hw_value = 96, },
747 {.bitrate = 540, .hw_value = 108, },
5e6e3a92
BZ		 748};
749
750/* Channel definitions to be advertised to cfg80211 */
751
752static struct ieee80211_channel mwifiex_channels_2ghz[] = {
753 {.center_freq = 2412, .hw_value = 1, },
754 {.center_freq = 2417, .hw_value = 2, },
755 {.center_freq = 2422, .hw_value = 3, },
756 {.center_freq = 2427, .hw_value = 4, },
757 {.center_freq = 2432, .hw_value = 5, },
758 {.center_freq = 2437, .hw_value = 6, },
759 {.center_freq = 2442, .hw_value = 7, },
760 {.center_freq = 2447, .hw_value = 8, },
761 {.center_freq = 2452, .hw_value = 9, },
762 {.center_freq = 2457, .hw_value = 10, },
763 {.center_freq = 2462, .hw_value = 11, },
764 {.center_freq = 2467, .hw_value = 12, },
765 {.center_freq = 2472, .hw_value = 13, },
766 {.center_freq = 2484, .hw_value = 14, },
767};
768
769static struct ieee80211_supported_band mwifiex_band_2ghz = {
770 .channels = mwifiex_channels_2ghz,
771 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
772 .bitrates = mwifiex_rates,
8763848e 773 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
5e6e3a92
BZ		 774};
775
776static struct ieee80211_channel mwifiex_channels_5ghz[] = {
777 {.center_freq = 5040, .hw_value = 8, },
778 {.center_freq = 5060, .hw_value = 12, },
779 {.center_freq = 5080, .hw_value = 16, },
780 {.center_freq = 5170, .hw_value = 34, },
781 {.center_freq = 5190, .hw_value = 38, },
782 {.center_freq = 5210, .hw_value = 42, },
783 {.center_freq = 5230, .hw_value = 46, },
784 {.center_freq = 5180, .hw_value = 36, },
785 {.center_freq = 5200, .hw_value = 40, },
786 {.center_freq = 5220, .hw_value = 44, },
787 {.center_freq = 5240, .hw_value = 48, },
788 {.center_freq = 5260, .hw_value = 52, },
789 {.center_freq = 5280, .hw_value = 56, },
790 {.center_freq = 5300, .hw_value = 60, },
791 {.center_freq = 5320, .hw_value = 64, },
792 {.center_freq = 5500, .hw_value = 100, },
793 {.center_freq = 5520, .hw_value = 104, },
794 {.center_freq = 5540, .hw_value = 108, },
795 {.center_freq = 5560, .hw_value = 112, },
796 {.center_freq = 5580, .hw_value = 116, },
797 {.center_freq = 5600, .hw_value = 120, },
798 {.center_freq = 5620, .hw_value = 124, },
799 {.center_freq = 5640, .hw_value = 128, },
800 {.center_freq = 5660, .hw_value = 132, },
801 {.center_freq = 5680, .hw_value = 136, },
802 {.center_freq = 5700, .hw_value = 140, },
803 {.center_freq = 5745, .hw_value = 149, },
804 {.center_freq = 5765, .hw_value = 153, },
805 {.center_freq = 5785, .hw_value = 157, },
806 {.center_freq = 5805, .hw_value = 161, },
807 {.center_freq = 5825, .hw_value = 165, },
808};
809
810static struct ieee80211_supported_band mwifiex_band_5ghz = {
811 .channels = mwifiex_channels_5ghz,
812 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
eb416ad3
AP		 813 .bitrates = mwifiex_rates + 4,
814 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
5e6e3a92
BZ		 815};
816
817
818/* Supported crypto cipher suits to be advertised to cfg80211 */
819
820static const u32 mwifiex_cipher_suites[] = {
821 WLAN_CIPHER_SUITE_WEP40,
822 WLAN_CIPHER_SUITE_WEP104,
823 WLAN_CIPHER_SUITE_TKIP,
824 WLAN_CIPHER_SUITE_CCMP,
825};
826
5d82c53a
YAP		 827/*
828 * CFG802.11 operation handler for setting bit rates.
829 *
830 * Function selects legacy bang B/G/BG from corresponding bitrates selection.
831 * Currently only 2.4GHz band is supported.
832 */
833static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
834 struct net_device *dev,
835 const u8 *peer,
836 const struct cfg80211_bitrate_mask *mask)
837{
5d82c53a
YAP		 838 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
839 int index = 0, mode = 0, i;
43906cdb 840 struct mwifiex_adapter *adapter = priv->adapter;
5d82c53a
YAP		 841
842 /* Currently only 2.4GHz is supported */
843 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
844 /*
845 * Rates below 6 Mbps in the table are CCK rates; 802.11b
846 * and from 6 they are OFDM; 802.11G
847 */
848 if (mwifiex_rates[i].bitrate == 60) {
849 index = 1 << i;
850 break;
851 }
852 }
853
854 if (mask->control[IEEE80211_BAND_2GHZ].legacy < index) {
855 mode = BAND_B;
856 } else {
857 mode = BAND_G;
858 if (mask->control[IEEE80211_BAND_2GHZ].legacy % index)
859 mode |= BAND_B;
860 }
861
43906cdb
AK		 862 if (!((mode | adapter->fw_bands) & ~adapter->fw_bands)) {
863 adapter->config_bands = mode;
864 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
865 adapter->adhoc_start_band = mode;
866 adapter->adhoc_11n_enabled = false;
867 }
868 }
21c3ba34 869 adapter->sec_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
3aebee02 870 adapter->channel_type = NL80211_CHAN_NO_HT;
5d82c53a
YAP		 871
872 wiphy_debug(wiphy, "info: device configured in 802.11%s%s mode\n",
aea0701e 873 (mode & BAND_B) ? "b" : "", (mode & BAND_G) ? "g" : "");
5d82c53a
YAP		 874
875 return 0;
876}
877
fa444bf8
AK		 878/*
879 * CFG802.11 operation handler for connection quality monitoring.
880 *
881 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
882 * events to FW.
883 */
884static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
885 struct net_device *dev,
886 s32 rssi_thold, u32 rssi_hyst)
887{
888 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
889 struct mwifiex_ds_misc_subsc_evt subsc_evt;
890
891 priv->cqm_rssi_thold = rssi_thold;
892 priv->cqm_rssi_hyst = rssi_hyst;
893
894 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
895 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
896
897 /* Subscribe/unsubscribe low and high rssi events */
898 if (rssi_thold && rssi_hyst) {
899 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
900 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
901 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
902 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
903 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
904 return mwifiex_send_cmd_sync(priv,
905 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
906 0, 0, &subsc_evt);
907 } else {
908 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
909 return mwifiex_send_cmd_sync(priv,
910 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
911 0, 0, &subsc_evt);
912 }
913
914 return 0;
915}
916
5370c836
AP		 917/* cfg80211 operation handler for change_beacon.
918 * Function retrieves and sets modified management IEs to FW.
919 */
920static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
921 struct net_device *dev,
922 struct cfg80211_beacon_data *data)
923{
924 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
925
926 if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
927 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
928 return -EINVAL;
929 }
930
931 if (!priv->bss_started) {
932 wiphy_err(wiphy, "%s: bss not started\n", __func__);
933 return -EINVAL;
934 }
935
936 if (mwifiex_set_mgmt_ies(priv, data)) {
937 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
938 return -EFAULT;
939 }
940
941 return 0;
942}
943
8a279d5b
AK		 944static int
945mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
946{
947 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
948 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
949 MWIFIEX_BSS_ROLE_ANY);
950 struct mwifiex_ds_ant_cfg ant_cfg;
951
952 if (!tx_ant || !rx_ant)
953 return -EOPNOTSUPP;
954
955 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
956 /* Not a MIMO chip. User should provide specific antenna number
957 * for Tx/Rx path or enable all antennas for diversity
958 */
959 if (tx_ant != rx_ant)
960 return -EOPNOTSUPP;
961
962 if ((tx_ant & (tx_ant - 1)) &&
963 (tx_ant != BIT(adapter->number_of_antenna) - 1))
964 return -EOPNOTSUPP;
965
966 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
967 (priv->adapter->number_of_antenna > 1)) {
968 tx_ant = RF_ANTENNA_AUTO;
969 rx_ant = RF_ANTENNA_AUTO;
970 }
971 }
972
973 ant_cfg.tx_ant = tx_ant;
974 ant_cfg.rx_ant = rx_ant;
975
976 return mwifiex_send_cmd_sync(priv, HostCmd_CMD_RF_ANTENNA,
977 HostCmd_ACT_GEN_SET, 0, &ant_cfg);
978}
979
12190c5d
AP		 980/* cfg80211 operation handler for stop ap.
981 * Function stops BSS running at uAP interface.
982 */
983static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
984{
985 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
986
40bbc21a
AP		 987 if (mwifiex_del_mgmt_ies(priv))
988 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
989
12190c5d
AP		 990 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
991 HostCmd_ACT_GEN_SET, 0, NULL)) {
992 wiphy_err(wiphy, "Failed to stop the BSS\n");
993 return -1;
994 }
995
996 return 0;
997}
998
999/* cfg80211 operation handler for start_ap.
1000 * Function sets beacon period, DTIM period, SSID and security into
1001 * AP config structure.
1002 * AP is configured with these settings and BSS is started.
1003 */
1004static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1005 struct net_device *dev,
1006 struct cfg80211_ap_settings *params)
1007{
1008 struct mwifiex_uap_bss_param *bss_cfg;
1009 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1010
f752dcd5
AP		 1011 if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP)
1012 return -1;
adb6ed0c 1013 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
f31acabe 1014 return -1;
f752dcd5 1015
12190c5d
AP		 1016 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1017 if (!bss_cfg)
1018 return -ENOMEM;
1019
1020 mwifiex_set_sys_config_invalid_data(bss_cfg);
1021
1022 if (params->beacon_interval)
1023 bss_cfg->beacon_period = params->beacon_interval;
1024 if (params->dtim_period)
1025 bss_cfg->dtim_period = params->dtim_period;
1026
1027 if (params->ssid && params->ssid_len) {
1028 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1029 bss_cfg->ssid.ssid_len = params->ssid_len;
1030 }
1031
605b73af
AP		 1032 switch (params->hidden_ssid) {
1033 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1034 bss_cfg->bcast_ssid_ctl = 1;
1035 break;
1036 case NL80211_HIDDEN_SSID_ZERO_LEN:
1037 bss_cfg->bcast_ssid_ctl = 0;
1038 break;
1039 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1040 /* firmware doesn't support this type of hidden SSID */
1041 default:
b3190466 1042 kfree(bss_cfg);
605b73af
AP		 1043 return -EINVAL;
1044 }
1045
0abd79e5
AP		 1046 bss_cfg->channel =
1047 (u8)ieee80211_frequency_to_channel(params->channel->center_freq);
1048 bss_cfg->band_cfg = BAND_CONFIG_MANUAL;
1049
1050 if (mwifiex_set_rf_channel(priv, params->channel,
1051 params->channel_type)) {
1052 kfree(bss_cfg);
1053 wiphy_err(wiphy, "Failed to set band config information!\n");
1054 return -1;
1055 }
1056
f752dcd5
AP		 1057 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1058 kfree(bss_cfg);
1059 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1060 return -1;
1061 }
1062
22281256
AP		 1063 mwifiex_set_ht_params(priv, bss_cfg, params);
1064
12190c5d
AP		 1065 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
1066 HostCmd_ACT_GEN_SET, 0, NULL)) {
1067 wiphy_err(wiphy, "Failed to stop the BSS\n");
1068 kfree(bss_cfg);
1069 return -1;
1070 }
1071
1072 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_SYS_CONFIG,
e76268da
AP		 1073 HostCmd_ACT_GEN_SET,
1074 UAP_BSS_PARAMS_I, bss_cfg)) {
12190c5d
AP		 1075 wiphy_err(wiphy, "Failed to set the SSID\n");
1076 kfree(bss_cfg);
1077 return -1;
1078 }
1079
1080 kfree(bss_cfg);
1081
1082 if (mwifiex_send_cmd_async(priv, HostCmd_CMD_UAP_BSS_START,
1083 HostCmd_ACT_GEN_SET, 0, NULL)) {
1084 wiphy_err(wiphy, "Failed to start the BSS\n");
1085 return -1;
1086 }
1087
96893538
AP		 1088 if (priv->sec_info.wep_enabled)
1089 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1090 else
1091 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1092
1093 if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_MAC_CONTROL,
1094 HostCmd_ACT_GEN_SET, 0,
1095 &priv->curr_pkt_filter))
1096 return -1;
1097
12190c5d
AP		 1098 return 0;
1099}
1100
5e6e3a92
BZ		 1101/*
1102 * CFG802.11 operation handler for disconnection request.
1103 *
1104 * This function does not work when there is already a disconnection
1105 * procedure going on.
1106 */
1107static int
1108mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1109 u16 reason_code)
1110{
1111 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1112
600f5d90 1113 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 1114 return -EFAULT;
1115
1116 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1117 " reason code %d\n", priv->cfg_bssid, reason_code);
1118
38c9d664 1119 memset(priv->cfg_bssid, 0, ETH_ALEN);
5e6e3a92
BZ		 1120
1121 return 0;
1122}
1123
1124/*
1125 * This function informs the CFG802.11 subsystem of a new IBSS.
1126 *
1127 * The following information are sent to the CFG802.11 subsystem
1128 * to register the new IBSS. If we do not register the new IBSS,
1129 * a kernel panic will result.
1130 * - SSID
1131 * - SSID length
1132 * - BSSID
1133 * - Channel
1134 */
1135static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1136{
5e6e3a92
BZ		 1137 struct ieee80211_channel *chan;
1138 struct mwifiex_bss_info bss_info;
aa95a48d 1139 struct cfg80211_bss *bss;
270e58e8 1140 int ie_len;
5e6e3a92 1141 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
4ed5d521 1142 enum ieee80211_band band;
5e6e3a92 1143
636c4598
YAP		 1144 if (mwifiex_get_bss_info(priv, &bss_info))
1145 return -1;
5e6e3a92
BZ		 1146
1147 ie_buf[0] = WLAN_EID_SSID;
1148 ie_buf[1] = bss_info.ssid.ssid_len;
1149
1150 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
aea0701e 1151 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
5e6e3a92
BZ		 1152 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1153
4ed5d521 1154 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
5e6e3a92
BZ		 1155 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1156 ieee80211_channel_to_frequency(bss_info.bss_chan,
4ed5d521 1157 band));
5e6e3a92 1158
aa95a48d 1159 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
aea0701e
YAP		 1160 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1161 0, ie_buf, ie_len, 0, GFP_KERNEL);
aa95a48d 1162 cfg80211_put_bss(bss);
5e6e3a92
BZ		 1163 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1164
636c4598 1165 return 0;
5e6e3a92
BZ		 1166}
1167
5e6e3a92
BZ		 1168/*
1169 * This function connects with a BSS.
1170 *
1171 * This function handles both Infra and Ad-Hoc modes. It also performs
1172 * validity checking on the provided parameters, disconnects from the
1173 * current BSS (if any), sets up the association/scan parameters,
1174 * including security settings, and performs specific SSID scan before
1175 * trying to connect.
1176 *
1177 * For Infra mode, the function returns failure if the specified SSID
1178 * is not found in scan table. However, for Ad-Hoc mode, it can create
1179 * the IBSS if it does not exist. On successful completion in either case,
7c6fa2a8 1180 * the function notifies the CFG802.11 subsystem of the new BSS connection.
5e6e3a92
BZ		 1181 */
1182static int
1183mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
1184 u8 *bssid, int mode, struct ieee80211_channel *channel,
1185 struct cfg80211_connect_params *sme, bool privacy)
1186{
b9be5f39 1187 struct cfg80211_ssid req_ssid;
270e58e8 1188 int ret, auth_type = 0;
7c6fa2a8
AK		 1189 struct cfg80211_bss *bss = NULL;
1190 u8 is_scanning_required = 0;
5e6e3a92 1191
b9be5f39 1192 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
5e6e3a92
BZ		 1193
1194 req_ssid.ssid_len = ssid_len;
1195 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1196 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1197 return -EINVAL;
1198 }
1199
1200 memcpy(req_ssid.ssid, ssid, ssid_len);
1201 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1202 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1203 return -EINVAL;
1204 }
1205
1206 /* disconnect before try to associate */
600f5d90 1207 mwifiex_deauthenticate(priv, NULL);
5e6e3a92
BZ		 1208
1209 if (channel)
1210 ret = mwifiex_set_rf_channel(priv, channel,
3aebee02 1211 priv->adapter->channel_type);
5e6e3a92 1212
6670f15b
AK		 1213 /* As this is new association, clear locally stored
1214 * keys and security related flags */
1215 priv->sec_info.wpa_enabled = false;
1216 priv->sec_info.wpa2_enabled = false;
1217 priv->wep_key_curr_index = 0;
00f157b4 1218 priv->sec_info.encryption_mode = 0;
a0f6d6ca 1219 priv->sec_info.is_authtype_auto = 0;
75edd2c6 1220 ret = mwifiex_set_encode(priv, NULL, 0, 0, NULL, 1);
5e6e3a92 1221
eecd8250 1222 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1223 /* "privacy" is set only for ad-hoc mode */
1224 if (privacy) {
1225 /*
2be50b8d 1226 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
5e6e3a92
BZ		 1227 * the firmware can find a matching network from the
1228 * scan. The cfg80211 does not give us the encryption
1229 * mode at this stage so just setting it to WEP here.
1230 */
203afeca 1231 priv->sec_info.encryption_mode =
2be50b8d 1232 WLAN_CIPHER_SUITE_WEP104;
203afeca 1233 priv->sec_info.authentication_mode =
f986b6d5 1234 NL80211_AUTHTYPE_OPEN_SYSTEM;
5e6e3a92
BZ		 1235 }
1236
1237 goto done;
1238 }
1239
1240 /* Now handle infra mode. "sme" is valid for infra mode only */
a0f6d6ca 1241 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
f986b6d5 1242 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
a0f6d6ca
AK		 1243 priv->sec_info.is_authtype_auto = 1;
1244 } else {
1245 auth_type = sme->auth_type;
1246 }
5e6e3a92
BZ		 1247
1248 if (sme->crypto.n_ciphers_pairwise) {
2be50b8d
YAP		 1249 priv->sec_info.encryption_mode =
1250 sme->crypto.ciphers_pairwise[0];
203afeca 1251 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 1252 }
1253
1254 if (sme->crypto.cipher_group) {
2be50b8d 1255 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
203afeca 1256 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 1257 }
1258 if (sme->ie)
1259 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1260
1261 if (sme->key) {
e6faada5 1262 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
5e6e3a92
BZ		 1263 dev_dbg(priv->adapter->dev,
1264 "info: setting wep encryption"
1265 " with key len %d\n", sme->key_len);
6670f15b 1266 priv->wep_key_curr_index = sme->key_idx;
5e6e3a92 1267 ret = mwifiex_set_encode(priv, sme->key, sme->key_len,
75edd2c6 1268 sme->key_idx, NULL, 0);
5e6e3a92
BZ		 1269 }
1270 }
1271done:
7c6fa2a8
AK		 1272 /*
1273 * Scan entries are valid for some time (15 sec). So we can save one
1274 * active scan time if we just try cfg80211_get_bss first. If it fails
1275 * then request scan and cfg80211_get_bss() again for final output.
1276 */
1277 while (1) {
1278 if (is_scanning_required) {
1279 /* Do specific SSID scanning */
1280 if (mwifiex_request_scan(priv, &req_ssid)) {
1281 dev_err(priv->adapter->dev, "scan error\n");
1282 return -EFAULT;
1283 }
1284 }
5e6e3a92 1285
7c6fa2a8
AK		 1286 /* Find the BSS we want using available scan results */
1287 if (mode == NL80211_IFTYPE_ADHOC)
1288 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1289 bssid, ssid, ssid_len,
1290 WLAN_CAPABILITY_IBSS,
1291 WLAN_CAPABILITY_IBSS);
1292 else
1293 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1294 bssid, ssid, ssid_len,
1295 WLAN_CAPABILITY_ESS,
1296 WLAN_CAPABILITY_ESS);
1297
1298 if (!bss) {
1299 if (is_scanning_required) {
aea0701e
YAP		 1300 dev_warn(priv->adapter->dev,
1301 "assoc: requested bss not found in scan results\n");
7c6fa2a8
AK		 1302 break;
1303 }
1304 is_scanning_required = 1;
1305 } else {
aea0701e
YAP		 1306 dev_dbg(priv->adapter->dev,
1307 "info: trying to associate to '%s' bssid %pM\n",
1308 (char *) req_ssid.ssid, bss->bssid);
7c6fa2a8
AK		 1309 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1310 break;
1311 }
5e6e3a92
BZ		 1312 }
1313
7c6fa2a8 1314 if (mwifiex_bss_start(priv, bss, &req_ssid))
5e6e3a92
BZ		 1315 return -EFAULT;
1316
eecd8250 1317 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1318 /* Inform the BSS information to kernel, otherwise
1319 * kernel will give a panic after successful assoc */
1320 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1321 return -EFAULT;
1322 }
1323
1324 return ret;
1325}
1326
1327/*
1328 * CFG802.11 operation handler for association request.
1329 *
1330 * This function does not work when the current mode is set to Ad-Hoc, or
1331 * when there is already an association procedure going on. The given BSS
1332 * information is used to associate.
1333 */
1334static int
1335mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1336 struct cfg80211_connect_params *sme)
1337{
1338 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1339 int ret = 0;
5e6e3a92 1340
eecd8250 1341 if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1342 wiphy_err(wiphy, "received infra assoc request "
1343 "when station is in ibss mode\n");
1344 goto done;
1345 }
1346
e568634a
AP		 1347 if (priv->bss_mode == NL80211_IFTYPE_AP) {
1348 wiphy_err(wiphy, "skip association request for AP interface\n");
1349 goto done;
1350 }
1351
5e6e3a92 1352 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
aea0701e 1353 (char *) sme->ssid, sme->bssid);
5e6e3a92
BZ		 1354
1355 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
eecd8250 1356 priv->bss_mode, sme->channel, sme, 0);
5e6e3a92 1357done:
38c9d664
AK		 1358 if (!ret) {
1359 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1360 NULL, 0, WLAN_STATUS_SUCCESS,
1361 GFP_KERNEL);
1362 dev_dbg(priv->adapter->dev,
1363 "info: associated to bssid %pM successfully\n",
1364 priv->cfg_bssid);
1365 } else {
1366 dev_dbg(priv->adapter->dev,
1367 "info: association to bssid %pM failed\n",
1368 priv->cfg_bssid);
1369 memset(priv->cfg_bssid, 0, ETH_ALEN);
1370 }
1371
5e6e3a92
BZ		 1372 return ret;
1373}
1374
1375/*
1376 * CFG802.11 operation handler to join an IBSS.
1377 *
1378 * This function does not work in any mode other than Ad-Hoc, or if
1379 * a join operation is already in progress.
1380 */
1381static int
1382mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1383 struct cfg80211_ibss_params *params)
1384{
f540f9f3 1385 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 1386 int ret = 0;
5e6e3a92 1387
eecd8250 1388 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1389 wiphy_err(wiphy, "request to join ibss received "
1390 "when station is not in ibss mode\n");
1391 goto done;
1392 }
1393
5e6e3a92 1394 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
aea0701e 1395 (char *) params->ssid, params->bssid);
5e6e3a92
BZ		 1396
1397 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
aea0701e
YAP		 1398 params->bssid, priv->bss_mode,
1399 params->channel, NULL, params->privacy);
5e6e3a92 1400done:
38c9d664
AK		 1401 if (!ret) {
1402 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
1403 dev_dbg(priv->adapter->dev,
1404 "info: joined/created adhoc network with bssid"
1405 " %pM successfully\n", priv->cfg_bssid);
1406 } else {
1407 dev_dbg(priv->adapter->dev,
1408 "info: failed creating/joining adhoc network\n");
1409 }
1410
5e6e3a92
BZ		 1411 return ret;
1412}
1413
1414/*
1415 * CFG802.11 operation handler to leave an IBSS.
1416 *
1417 * This function does not work if a leave operation is
1418 * already in progress.
1419 */
1420static int
1421mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1422{
f540f9f3 1423 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 1424
5e6e3a92 1425 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
aea0701e 1426 priv->cfg_bssid);
600f5d90 1427 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 1428 return -EFAULT;
1429
38c9d664 1430 memset(priv->cfg_bssid, 0, ETH_ALEN);
5e6e3a92
BZ		 1431
1432 return 0;
1433}
1434
1435/*
1436 * CFG802.11 operation handler for scan request.
1437 *
1438 * This function issues a scan request to the firmware based upon
1439 * the user specified scan configuration. On successfull completion,
1440 * it also informs the results.
1441 */
1442static int
1443mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev,
1444 struct cfg80211_scan_request *request)
1445{
1446 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
38c9d664
AK		 1447 int i;
1448 struct ieee80211_channel *chan;
5e6e3a92
BZ		 1449
1450 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1451
5e6e3a92
BZ		 1452 priv->scan_request = request;
1453
38c9d664 1454 priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
aea0701e 1455 GFP_KERNEL);
38c9d664
AK		 1456 if (!priv->user_scan_cfg) {
1457 dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
1458 return -ENOMEM;
1459 }
be0b281e
AK		 1460
1461 priv->user_scan_cfg->num_ssids = request->n_ssids;
1462 priv->user_scan_cfg->ssid_list = request->ssids;
1463
13d7ba78
AP		 1464 if (request->ie && request->ie_len) {
1465 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1466 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1467 continue;
1468 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
1469 memcpy(&priv->vs_ie[i].ie, request->ie,
1470 request->ie_len);
1471 break;
1472 }
1473 }
1474
38c9d664
AK		 1475 for (i = 0; i < request->n_channels; i++) {
1476 chan = request->channels[i];
1477 priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1478 priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
1479
1480 if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
1481 priv->user_scan_cfg->chan_list[i].scan_type =
aea0701e 1482 MWIFIEX_SCAN_TYPE_PASSIVE;
38c9d664
AK		 1483 else
1484 priv->user_scan_cfg->chan_list[i].scan_type =
aea0701e 1485 MWIFIEX_SCAN_TYPE_ACTIVE;
38c9d664
AK		 1486
1487 priv->user_scan_cfg->chan_list[i].scan_time = 0;
1488 }
1a1fb970 1489 if (mwifiex_scan_networks(priv, priv->user_scan_cfg))
38c9d664
AK		 1490 return -EFAULT;
1491
13d7ba78
AP		 1492 if (request->ie && request->ie_len) {
1493 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1494 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
1495 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
1496 memset(&priv->vs_ie[i].ie, 0,
1497 MWIFIEX_MAX_VSIE_LEN);
1498 }
1499 }
1500 }
5e6e3a92
BZ		 1501 return 0;
1502}
1503
1504/*
1505 * This function sets up the CFG802.11 specific HT capability fields
1506 * with default values.
1507 *
1508 * The following default values are set -
1509 * - HT Supported = True
a46b7b5c
AK		 1510 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
1511 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
1512 * - HT Capabilities supported by firmware
5e6e3a92
BZ		 1513 * - MCS information, Rx mask = 0xff
1514 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
1515 */
1516static void
1517mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
1518 struct mwifiex_private *priv)
1519{
1520 int rx_mcs_supp;
1521 struct ieee80211_mcs_info mcs_set;
1522 u8 *mcs = (u8 *)&mcs_set;
1523 struct mwifiex_adapter *adapter = priv->adapter;
1524
1525 ht_info->ht_supported = true;
a46b7b5c
AK		 1526 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
1527 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
5e6e3a92
BZ		 1528
1529 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
5e6e3a92 1530
a46b7b5c
AK		 1531 /* Fill HT capability information */
1532 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
1533 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1534 else
1535 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
1536
1537 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
1538 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
1539 else
1540 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
1541
1542 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
1543 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
1544 else
1545 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
1546
1547 if (ISSUPP_RXSTBC(adapter->hw_dot_11n_dev_cap))
1548 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
1549 else
1550 ht_info->cap &= ~(3 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
1551
1552 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
1553 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
1554 else
1555 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
1556
1557 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
1558 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
1559
1560 rx_mcs_supp = GET_RXMCSSUPP(adapter->hw_dev_mcs_support);
5e6e3a92
BZ		 1561 /* Set MCS for 1x1 */
1562 memset(mcs, 0xff, rx_mcs_supp);
1563 /* Clear all the other values */
1564 memset(&mcs[rx_mcs_supp], 0,
aea0701e 1565 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
eecd8250 1566 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
aea0701e 1567 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
5e6e3a92
BZ		 1568 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
1569 SETHT_MCS32(mcs_set.rx_mask);
1570
1571 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
1572
1573 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
1574}
1575
93a1df48
YAP		 1576/*
1577 * create a new virtual interface with the given name
1578 */
1579struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy,
aea0701e
YAP		 1580 char *name,
1581 enum nl80211_iftype type,
1582 u32 *flags,
1583 struct vif_params *params)
93a1df48 1584{
67fdf39e
AP		 1585 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1586 struct mwifiex_private *priv;
93a1df48
YAP		 1587 struct net_device *dev;
1588 void *mdev_priv;
d6bffe8b 1589 struct wireless_dev *wdev;
93a1df48 1590
93a1df48 1591 if (!adapter)
858faa57 1592 return ERR_PTR(-EFAULT);
93a1df48
YAP		 1593
1594 switch (type) {
1595 case NL80211_IFTYPE_UNSPECIFIED:
1596 case NL80211_IFTYPE_STATION:
1597 case NL80211_IFTYPE_ADHOC:
d6bffe8b 1598 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
93a1df48 1599 if (priv->bss_mode) {
d6bffe8b
AP		 1600 wiphy_err(wiphy,
1601 "cannot create multiple sta/adhoc ifaces\n");
858faa57 1602 return ERR_PTR(-EINVAL);
93a1df48
YAP		 1603 }
1604
d6bffe8b
AP		 1605 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1606 if (!wdev)
858faa57 1607 return ERR_PTR(-ENOMEM);
d6bffe8b
AP		 1608
1609 wdev->wiphy = wiphy;
1610 priv->wdev = wdev;
1611 wdev->iftype = NL80211_IFTYPE_STATION;
1612
93a1df48
YAP		 1613 if (type == NL80211_IFTYPE_UNSPECIFIED)
1614 priv->bss_mode = NL80211_IFTYPE_STATION;
1615 else
1616 priv->bss_mode = type;
1617
1618 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
1619 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
d6bffe8b 1620 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
93a1df48 1621 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
93a1df48
YAP		 1622 priv->bss_num = 0;
1623
d6bffe8b
AP		 1624 break;
1625 case NL80211_IFTYPE_AP:
1626 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
1627
1628 if (priv->bss_mode) {
1629 wiphy_err(wiphy, "Can't create multiple AP interfaces");
858faa57 1630 return ERR_PTR(-EINVAL);
d6bffe8b
AP		 1631 }
1632
1633 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
1634 if (!wdev)
858faa57 1635 return ERR_PTR(-ENOMEM);
d6bffe8b
AP		 1636
1637 priv->wdev = wdev;
1638 wdev->wiphy = wiphy;
1639 wdev->iftype = NL80211_IFTYPE_AP;
1640
1641 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
1642 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
1643 priv->bss_priority = MWIFIEX_BSS_ROLE_UAP;
1644 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
1645 priv->bss_started = 0;
1646 priv->bss_num = 0;
1647 priv->bss_mode = type;
1648
93a1df48
YAP		 1649 break;
1650 default:
1651 wiphy_err(wiphy, "type not supported\n");
858faa57 1652 return ERR_PTR(-EINVAL);
93a1df48
YAP		 1653 }
1654
1655 dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name,
1656 ether_setup, 1);
1657 if (!dev) {
1658 wiphy_err(wiphy, "no memory available for netdevice\n");
858faa57
BZ		 1659 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1660 return ERR_PTR(-ENOMEM);
93a1df48
YAP		 1661 }
1662
d6bffe8b
AP		 1663 mwifiex_init_priv_params(priv, dev);
1664 priv->netdev = dev;
1665
1666 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
1667
1668 if (adapter->config_bands & BAND_A)
1669 mwifiex_setup_ht_caps(
1670 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
1671
93a1df48
YAP		 1672 dev_net_set(dev, wiphy_net(wiphy));
1673 dev->ieee80211_ptr = priv->wdev;
1674 dev->ieee80211_ptr->iftype = priv->bss_mode;
1675 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
1676 memcpy(dev->perm_addr, wiphy->perm_addr, ETH_ALEN);
1677 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
1678
1679 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
1680 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
1681 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
1682
1683 mdev_priv = netdev_priv(dev);
1684 *((unsigned long *) mdev_priv) = (unsigned long) priv;
1685
93a1df48
YAP		 1686 SET_NETDEV_DEV(dev, adapter->dev);
1687
1688 /* Register network device */
1689 if (register_netdevice(dev)) {
1690 wiphy_err(wiphy, "cannot register virtual network device\n");
858faa57
BZ		 1691 free_netdev(dev);
1692 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1693 return ERR_PTR(-EFAULT);
93a1df48
YAP		 1694 }
1695
1696 sema_init(&priv->async_sem, 1);
1697 priv->scan_pending_on_block = false;
1698
1699 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
1700
1701#ifdef CONFIG_DEBUG_FS
1702 mwifiex_dev_debugfs_init(priv);
1703#endif
1704 return dev;
93a1df48
YAP		 1705}
1706EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
1707
1708/*
1709 * del_virtual_intf: remove the virtual interface determined by dev
1710 */
1711int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
1712{
f540f9f3 1713 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
93a1df48
YAP		 1714
1715#ifdef CONFIG_DEBUG_FS
1716 mwifiex_dev_debugfs_remove(priv);
1717#endif
1718
1719 if (!netif_queue_stopped(priv->netdev))
1720 netif_stop_queue(priv->netdev);
1721
1722 if (netif_carrier_ok(priv->netdev))
1723 netif_carrier_off(priv->netdev);
1724
1725 if (dev->reg_state == NETREG_REGISTERED)
1726 unregister_netdevice(dev);
1727
1728 if (dev->reg_state == NETREG_UNREGISTERED)
1729 free_netdev(dev);
1730
1731 /* Clear the priv in adapter */
1732 priv->netdev = NULL;
1733
1734 priv->media_connected = false;
1735
93a1df48
YAP		 1736 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
1737
1738 return 0;
1739}
1740EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
1741
5e6e3a92
BZ		 1742/* station cfg80211 operations */
1743static struct cfg80211_ops mwifiex_cfg80211_ops = {
93a1df48
YAP		 1744 .add_virtual_intf = mwifiex_add_virtual_intf,
1745 .del_virtual_intf = mwifiex_del_virtual_intf,
5e6e3a92
BZ		 1746 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
1747 .scan = mwifiex_cfg80211_scan,
1748 .connect = mwifiex_cfg80211_connect,
1749 .disconnect = mwifiex_cfg80211_disconnect,
1750 .get_station = mwifiex_cfg80211_get_station,
f85aae6b 1751 .dump_station = mwifiex_cfg80211_dump_station,
5e6e3a92 1752 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
5e6e3a92
BZ		 1753 .join_ibss = mwifiex_cfg80211_join_ibss,
1754 .leave_ibss = mwifiex_cfg80211_leave_ibss,
1755 .add_key = mwifiex_cfg80211_add_key,
1756 .del_key = mwifiex_cfg80211_del_key,
1757 .set_default_key = mwifiex_cfg80211_set_default_key,
1758 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
1759 .set_tx_power = mwifiex_cfg80211_set_tx_power,
5d82c53a 1760 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
12190c5d
AP		 1761 .start_ap = mwifiex_cfg80211_start_ap,
1762 .stop_ap = mwifiex_cfg80211_stop_ap,
5370c836 1763 .change_beacon = mwifiex_cfg80211_change_beacon,
fa444bf8 1764 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
8a279d5b 1765 .set_antenna = mwifiex_cfg80211_set_antenna,
5e6e3a92
BZ		 1766};
1767
1768/*
1769 * This function registers the device with CFG802.11 subsystem.
1770 *
1771 * The function creates the wireless device/wiphy, populates it with
1772 * default parameters and handler function pointers, and finally
1773 * registers the device.
1774 */
d6bffe8b
AP		 1775
1776int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
5e6e3a92 1777{
270e58e8
YAP		 1778 int ret;
1779 void *wdev_priv;
d6bffe8b
AP		 1780 struct wiphy *wiphy;
1781 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
9e04a7c6 1782 u8 *country_code;
5e6e3a92 1783
d6bffe8b
AP		 1784 /* create a new wiphy for use with cfg80211 */
1785 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
1786 sizeof(struct mwifiex_adapter *));
1787 if (!wiphy) {
1788 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
5e6e3a92
BZ		 1789 return -ENOMEM;
1790 }
d6bffe8b
AP		 1791 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
1792 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
1793 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1794 BIT(NL80211_IFTYPE_ADHOC) |
1795 BIT(NL80211_IFTYPE_AP);
1796
1797 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
1798 if (adapter->config_bands & BAND_A)
1799 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
1800 else
1801 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
5e6e3a92 1802
cd8440da
AP		 1803 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
1804 wiphy->n_iface_combinations = 1;
1805
5e6e3a92 1806 /* Initialize cipher suits */
d6bffe8b
AP		 1807 wiphy->cipher_suites = mwifiex_cipher_suites;
1808 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
5e6e3a92 1809
d6bffe8b
AP		 1810 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
1811 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2dd2bd6b
AP		 1812 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
1813 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
1814
1815 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
1816 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2;
5e6e3a92 1817
8a279d5b
AK		 1818 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
1819 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
1820
b5abcf02 1821 /* Reserve space for mwifiex specific private data for BSS */
d6bffe8b 1822 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
5116f3ce 1823
d6bffe8b 1824 wiphy->reg_notifier = mwifiex_reg_notifier;
5e6e3a92 1825
67fdf39e 1826 /* Set struct mwifiex_adapter pointer in wiphy_priv */
d6bffe8b 1827 wdev_priv = wiphy_priv(wiphy);
67fdf39e 1828 *(unsigned long *)wdev_priv = (unsigned long)adapter;
5e6e3a92 1829
d6bffe8b 1830 set_wiphy_dev(wiphy, (struct device *)priv->adapter->dev);
a7b21165 1831
d6bffe8b 1832 ret = wiphy_register(wiphy);
5e6e3a92 1833 if (ret < 0) {
d6bffe8b
AP		 1834 dev_err(adapter->dev,
1835 "%s: wiphy_register failed: %d\n", __func__, ret);
1836 wiphy_free(wiphy);
5e6e3a92 1837 return ret;
5e6e3a92 1838 }
9e04a7c6 1839 country_code = mwifiex_11d_code_2_region(priv->adapter->region_code);
d6bffe8b
AP		 1840 if (country_code && regulatory_hint(wiphy, country_code))
1841 dev_err(adapter->dev, "regulatory_hint() failed\n");
5e6e3a92 1842
d6bffe8b 1843 adapter->wiphy = wiphy;
5e6e3a92
BZ		 1844 return ret;
1845}
Linux 6.x block layer and io_uring tree(s)