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mwifiex: remove needless current_bssid variable
[deliverable/linux.git] / drivers / net / wireless / mwifiex / cfg80211.c
CommitLineData
5e6e3a92
BZ		 1/*
2 * Marvell Wireless LAN device driver: CFG80211
3 *
65da33f5 4 * Copyright (C) 2011-2014, Marvell International Ltd.
5e6e3a92
BZ		 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
3c68ef5b
AP		 23static char *reg_alpha2;
24module_param(reg_alpha2, charp, 0);
25
cd8440da
AP		 26static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
27 {
a4df8f56
AP		 28 .max = 2, .types = BIT(NL80211_IFTYPE_STATION) |
29 BIT(NL80211_IFTYPE_P2P_GO) |
30 BIT(NL80211_IFTYPE_P2P_CLIENT),
cd8440da
AP		 31 },
32 {
33 .max = 1, .types = BIT(NL80211_IFTYPE_AP),
34 },
35};
36
37static const struct ieee80211_iface_combination mwifiex_iface_comb_ap_sta = {
38 .limits = mwifiex_ap_sta_limits,
39 .num_different_channels = 1,
40 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
41 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
42 .beacon_int_infra_match = true,
43};
44
5e6e3a92
BZ		 45/*
46 * This function maps the nl802.11 channel type into driver channel type.
47 *
48 * The mapping is as follows -
21c3ba34
AK		 49 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
50 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
51 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
52 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
53 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
5e6e3a92 54 */
7feb4c48 55u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
5e6e3a92 56{
05910f4a 57 switch (chan_type) {
5e6e3a92
BZ		 58 case NL80211_CHAN_NO_HT:
59 case NL80211_CHAN_HT20:
21c3ba34 60 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
5e6e3a92 61 case NL80211_CHAN_HT40PLUS:
21c3ba34 62 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
5e6e3a92 63 case NL80211_CHAN_HT40MINUS:
21c3ba34 64 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
5e6e3a92 65 default:
21c3ba34 66 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
5e6e3a92 67 }
5e6e3a92
BZ		 68}
69
5e6e3a92
BZ		 70/*
71 * This function checks whether WEP is set.
72 */
73static int
74mwifiex_is_alg_wep(u32 cipher)
75{
5e6e3a92 76 switch (cipher) {
2be50b8d
YAP		 77 case WLAN_CIPHER_SUITE_WEP40:
78 case WLAN_CIPHER_SUITE_WEP104:
270e58e8 79 return 1;
5e6e3a92 80 default:
5e6e3a92
BZ		 81 break;
82 }
270e58e8
YAP		 83
84 return 0;
5e6e3a92
BZ		 85}
86
5e6e3a92
BZ		 87/*
88 * This function retrieves the private structure from kernel wiphy structure.
89 */
67fdf39e 90static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
5e6e3a92
BZ		 91{
92 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
93}
94
95/*
96 * CFG802.11 operation handler to delete a network key.
97 */
98static int
99mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
100 u8 key_index, bool pairwise, const u8 *mac_addr)
101{
f540f9f3 102 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
75edd2c6
AP		 103 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
104 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 105
53b11231 106 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
5e6e3a92
BZ		 107 wiphy_err(wiphy, "deleting the crypto keys\n");
108 return -EFAULT;
109 }
110
111 wiphy_dbg(wiphy, "info: crypto keys deleted\n");
112 return 0;
113}
114
e39faa73
SP		 115/*
116 * This function forms an skb for management frame.
117 */
118static int
119mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
120{
121 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
122 u16 pkt_len;
123 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
e39faa73
SP		 124
125 pkt_len = len + ETH_ALEN;
126
127 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
128 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
129 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
130
131 memcpy(skb_push(skb, sizeof(tx_control)),
132 &tx_control, sizeof(tx_control));
133
134 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
135
136 /* Add packet data and address4 */
137 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
138 sizeof(struct ieee80211_hdr_3addr));
139 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
140 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
141 buf + sizeof(struct ieee80211_hdr_3addr),
142 len - sizeof(struct ieee80211_hdr_3addr));
143
144 skb->priority = LOW_PRIO_TID;
c64800e7 145 __net_timestamp(skb);
e39faa73
SP		 146
147 return 0;
148}
149
150/*
151 * CFG802.11 operation handler to transmit a management frame.
152 */
153static int
154mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 155 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
e39faa73 156{
b176e629
AO		 157 const u8 *buf = params->buf;
158 size_t len = params->len;
e39faa73
SP		 159 struct sk_buff *skb;
160 u16 pkt_len;
161 const struct ieee80211_mgmt *mgmt;
231d83e2 162 struct mwifiex_txinfo *tx_info;
e39faa73
SP		 163 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
164
165 if (!buf || !len) {
166 wiphy_err(wiphy, "invalid buffer and length\n");
167 return -EFAULT;
168 }
169
170 mgmt = (const struct ieee80211_mgmt *)buf;
171 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
172 ieee80211_is_probe_resp(mgmt->frame_control)) {
173 /* Since we support offload probe resp, we need to skip probe
174 * resp in AP or GO mode */
175 wiphy_dbg(wiphy,
176 "info: skip to send probe resp in AP or GO mode\n");
177 return 0;
178 }
179
180 pkt_len = len + ETH_ALEN;
181 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
182 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
183 pkt_len + sizeof(pkt_len));
184
185 if (!skb) {
186 wiphy_err(wiphy, "allocate skb failed for management frame\n");
187 return -ENOMEM;
188 }
189
231d83e2 190 tx_info = MWIFIEX_SKB_TXCB(skb);
701a9e61 191 memset(tx_info, 0, sizeof(*tx_info));
231d83e2
HY		 192 tx_info->bss_num = priv->bss_num;
193 tx_info->bss_type = priv->bss_type;
a1ed4849 194 tx_info->pkt_len = pkt_len;
231d83e2 195
e39faa73
SP		 196 mwifiex_form_mgmt_frame(skb, buf, len);
197 mwifiex_queue_tx_pkt(priv, skb);
198
e00adf39 199 *cookie = prandom_u32() | 1;
e39faa73
SP		 200 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, GFP_ATOMIC);
201
202 wiphy_dbg(wiphy, "info: management frame transmitted\n");
203 return 0;
204}
205
3cec6870
SP		 206/*
207 * CFG802.11 operation handler to register a mgmt frame.
208 */
209static void
210mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
211 struct wireless_dev *wdev,
212 u16 frame_type, bool reg)
213{
214 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4481b2db 215 u32 mask;
3cec6870
SP		 216
217 if (reg)
4481b2db 218 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
3cec6870 219 else
4481b2db
SP		 220 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
221
222 if (mask != priv->mgmt_frame_mask) {
223 priv->mgmt_frame_mask = mask;
fa0ecbb9
BZ		 224 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
225 HostCmd_ACT_GEN_SET, 0,
226 &priv->mgmt_frame_mask, false);
4481b2db
SP		 227 wiphy_dbg(wiphy, "info: mgmt frame registered\n");
228 }
3cec6870
SP		 229}
230
7feb4c48
SP		 231/*
232 * CFG802.11 operation handler to remain on channel.
233 */
234static int
235mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
236 struct wireless_dev *wdev,
237 struct ieee80211_channel *chan,
7feb4c48
SP		 238 unsigned int duration, u64 *cookie)
239{
240 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
241 int ret;
242
243 if (!chan || !cookie) {
244 wiphy_err(wiphy, "Invalid parameter for ROC\n");
245 return -EINVAL;
246 }
247
248 if (priv->roc_cfg.cookie) {
249 wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n",
250 priv->roc_cfg.cookie);
251 return -EBUSY;
252 }
253
254 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
42d97a59 255 duration);
7feb4c48
SP		 256
257 if (!ret) {
e00adf39 258 *cookie = prandom_u32() | 1;
7feb4c48
SP		 259 priv->roc_cfg.cookie = *cookie;
260 priv->roc_cfg.chan = *chan;
7feb4c48 261
42d97a59 262 cfg80211_ready_on_channel(wdev, *cookie, chan,
7feb4c48
SP		 263 duration, GFP_ATOMIC);
264
265 wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
266 }
267
268 return ret;
269}
270
271/*
272 * CFG802.11 operation handler to cancel remain on channel.
273 */
274static int
275mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
276 struct wireless_dev *wdev, u64 cookie)
277{
278 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
279 int ret;
280
281 if (cookie != priv->roc_cfg.cookie)
282 return -ENOENT;
283
284 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
42d97a59 285 &priv->roc_cfg.chan, 0);
7feb4c48
SP		 286
287 if (!ret) {
288 cfg80211_remain_on_channel_expired(wdev, cookie,
289 &priv->roc_cfg.chan,
7feb4c48
SP		 290 GFP_ATOMIC);
291
292 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
293
294 wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
295 }
296
297 return ret;
298}
299
5e6e3a92
BZ		 300/*
301 * CFG802.11 operation handler to set Tx power.
302 */
303static int
304mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
c8442118 305 struct wireless_dev *wdev,
5e6e3a92 306 enum nl80211_tx_power_setting type,
742c29fd 307 int mbm)
5e6e3a92 308{
67fdf39e
AP		 309 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
310 struct mwifiex_private *priv;
600f5d90 311 struct mwifiex_power_cfg power_cfg;
742c29fd 312 int dbm = MBM_TO_DBM(mbm);
5e6e3a92 313
600f5d90
AK		 314 if (type == NL80211_TX_POWER_FIXED) {
315 power_cfg.is_power_auto = 0;
316 power_cfg.power_level = dbm;
317 } else {
318 power_cfg.is_power_auto = 1;
319 }
320
67fdf39e
AP		 321 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
322
636c4598 323 return mwifiex_set_tx_power(priv, &power_cfg);
5e6e3a92
BZ		 324}
325
326/*
327 * CFG802.11 operation handler to set Power Save option.
328 *
329 * The timeout value, if provided, is currently ignored.
330 */
331static int
332mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
333 struct net_device *dev,
334 bool enabled, int timeout)
335{
f540f9f3 336 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
600f5d90 337 u32 ps_mode;
5e6e3a92
BZ		 338
339 if (timeout)
340 wiphy_dbg(wiphy,
aea0701e 341 "info: ignore timeout value for IEEE Power Save\n");
5e6e3a92 342
600f5d90 343 ps_mode = enabled;
5e6e3a92 344
636c4598 345 return mwifiex_drv_set_power(priv, &ps_mode);
5e6e3a92
BZ		 346}
347
348/*
349 * CFG802.11 operation handler to set the default network key.
350 */
351static int
352mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
353 u8 key_index, bool unicast,
354 bool multicast)
355{
f540f9f3 356 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
5e6e3a92 357
2d3d0a88 358 /* Return if WEP key not configured */
5eb02e44 359 if (!priv->sec_info.wep_enabled)
2d3d0a88
AK		 360 return 0;
361
96893538
AP		 362 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
363 priv->wep_key_curr_index = key_index;
53b11231
YL		 364 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
365 NULL, 0)) {
636c4598 366 wiphy_err(wiphy, "set default Tx key index\n");
5e6e3a92 367 return -EFAULT;
636c4598 368 }
5e6e3a92
BZ		 369
370 return 0;
371}
372
373/*
374 * CFG802.11 operation handler to add a network key.
375 */
376static int
377mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
378 u8 key_index, bool pairwise, const u8 *mac_addr,
379 struct key_params *params)
380{
f540f9f3 381 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
96893538 382 struct mwifiex_wep_key *wep_key;
75edd2c6
AP		 383 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
384 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 385
96893538
AP		 386 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
387 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
388 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
389 if (params->key && params->key_len) {
390 wep_key = &priv->wep_key[key_index];
391 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
392 memcpy(wep_key->key_material, params->key,
393 params->key_len);
394 wep_key->key_index = key_index;
395 wep_key->key_length = params->key_len;
396 priv->sec_info.wep_enabled = 1;
397 }
398 return 0;
399 }
400
53b11231 401 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
75edd2c6 402 key_index, peer_mac, 0)) {
636c4598 403 wiphy_err(wiphy, "crypto keys added\n");
5e6e3a92 404 return -EFAULT;
636c4598 405 }
5e6e3a92
BZ		 406
407 return 0;
408}
409
410/*
411 * This function sends domain information to the firmware.
412 *
413 * The following information are passed to the firmware -
414 * - Country codes
415 * - Sub bands (first channel, number of channels, maximum Tx power)
416 */
417static int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
418{
419 u8 no_of_triplet = 0;
420 struct ieee80211_country_ie_triplet *t;
421 u8 no_of_parsed_chan = 0;
422 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
423 u8 i, flag = 0;
424 enum ieee80211_band band;
425 struct ieee80211_supported_band *sband;
426 struct ieee80211_channel *ch;
67fdf39e
AP		 427 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
428 struct mwifiex_private *priv;
5e6e3a92 429 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
5e6e3a92
BZ		 430
431 /* Set country code */
67fdf39e
AP		 432 domain_info->country_code[0] = adapter->country_code[0];
433 domain_info->country_code[1] = adapter->country_code[1];
5e6e3a92
BZ		 434 domain_info->country_code[2] = ' ';
435
436 band = mwifiex_band_to_radio_type(adapter->config_bands);
437 if (!wiphy->bands[band]) {
438 wiphy_err(wiphy, "11D: setting domain info in FW\n");
439 return -1;
440 }
441
442 sband = wiphy->bands[band];
443
444 for (i = 0; i < sband->n_channels ; i++) {
445 ch = &sband->channels[i];
446 if (ch->flags & IEEE80211_CHAN_DISABLED)
447 continue;
448
449 if (!flag) {
450 flag = 1;
451 first_chan = (u32) ch->hw_value;
452 next_chan = first_chan;
22db2497 453 max_pwr = ch->max_power;
5e6e3a92
BZ		 454 no_of_parsed_chan = 1;
455 continue;
456 }
457
458 if (ch->hw_value == next_chan + 1 &&
22db2497 459 ch->max_power == max_pwr) {
5e6e3a92
BZ		 460 next_chan++;
461 no_of_parsed_chan++;
462 } else {
463 t = &domain_info->triplet[no_of_triplet];
464 t->chans.first_channel = first_chan;
465 t->chans.num_channels = no_of_parsed_chan;
466 t->chans.max_power = max_pwr;
467 no_of_triplet++;
468 first_chan = (u32) ch->hw_value;
469 next_chan = first_chan;
22db2497 470 max_pwr = ch->max_power;
5e6e3a92
BZ		 471 no_of_parsed_chan = 1;
472 }
473 }
474
475 if (flag) {
476 t = &domain_info->triplet[no_of_triplet];
477 t->chans.first_channel = first_chan;
478 t->chans.num_channels = no_of_parsed_chan;
479 t->chans.max_power = max_pwr;
480 no_of_triplet++;
481 }
482
483 domain_info->no_of_triplet = no_of_triplet;
636c4598 484
67fdf39e
AP		 485 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
486
fa0ecbb9
BZ		 487 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
488 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
5e6e3a92 489 wiphy_err(wiphy, "11D: setting domain info in FW\n");
636c4598
YAP		 490 return -1;
491 }
5e6e3a92 492
636c4598 493 return 0;
5e6e3a92
BZ		 494}
495
496/*
497 * CFG802.11 regulatory domain callback function.
498 *
499 * This function is called when the regulatory domain is changed due to the
500 * following reasons -
501 * - Set by driver
502 * - Set by system core
503 * - Set by user
504 * - Set bt Country IE
505 */
0c0280bd
LR		 506static void mwifiex_reg_notifier(struct wiphy *wiphy,
507 struct regulatory_request *request)
5e6e3a92 508{
67fdf39e 509 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
82efa16a
BZ		 510 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
511 MWIFIEX_BSS_ROLE_ANY);
5e6e3a92 512
67fdf39e
AP		 513 wiphy_dbg(wiphy, "info: cfg80211 regulatory domain callback for %c%c\n",
514 request->alpha2[0], request->alpha2[1]);
5e6e3a92 515
5e6e3a92
BZ		 516 switch (request->initiator) {
517 case NL80211_REGDOM_SET_BY_DRIVER:
518 case NL80211_REGDOM_SET_BY_CORE:
519 case NL80211_REGDOM_SET_BY_USER:
5e6e3a92
BZ		 520 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
521 break;
dd4a9ac0
BZ		 522 default:
523 wiphy_err(wiphy, "unknown regdom initiator: %d\n",
524 request->initiator);
525 return;
526 }
527
528 /* Don't send world or same regdom info to firmware */
529 if (strncmp(request->alpha2, "00", 2) &&
530 strncmp(request->alpha2, adapter->country_code,
531 sizeof(request->alpha2))) {
532 memcpy(adapter->country_code, request->alpha2,
533 sizeof(request->alpha2));
534 mwifiex_send_domain_info_cmd_fw(wiphy);
b58df446 535 mwifiex_dnld_txpwr_table(priv);
5e6e3a92 536 }
5e6e3a92
BZ		 537}
538
5e6e3a92
BZ		 539/*
540 * This function sets the fragmentation threshold.
541 *
600f5d90 542 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
5e6e3a92
BZ		 543 * and MWIFIEX_FRAG_MAX_VALUE.
544 */
545static int
546mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
547{
aea0701e
YAP		 548 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
549 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
9b930eae 550 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
5e6e3a92 551
fa0ecbb9
BZ		 552 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
553 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
554 &frag_thr, true);
5e6e3a92
BZ		 555}
556
557/*
558 * This function sets the RTS threshold.
600f5d90
AK		 559
560 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
561 * and MWIFIEX_RTS_MAX_VALUE.
5e6e3a92
BZ		 562 */
563static int
564mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
565{
5e6e3a92
BZ		 566 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
567 rts_thr = MWIFIEX_RTS_MAX_VALUE;
568
fa0ecbb9
BZ		 569 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
570 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
571 &rts_thr, true);
5e6e3a92
BZ		 572}
573
574/*
575 * CFG802.11 operation handler to set wiphy parameters.
576 *
577 * This function can be used to set the RTS threshold and the
578 * Fragmentation threshold of the driver.
579 */
580static int
581mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
582{
67fdf39e 583 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
9b930eae
AP		 584 struct mwifiex_private *priv;
585 struct mwifiex_uap_bss_param *bss_cfg;
586 int ret, bss_started, i;
587
588 for (i = 0; i < adapter->priv_num; i++) {
589 priv = adapter->priv[i];
590
591 switch (priv->bss_role) {
592 case MWIFIEX_BSS_ROLE_UAP:
593 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param),
594 GFP_KERNEL);
595 if (!bss_cfg)
596 return -ENOMEM;
597
598 mwifiex_set_sys_config_invalid_data(bss_cfg);
599
600 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
601 bss_cfg->rts_threshold = wiphy->rts_threshold;
602 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
603 bss_cfg->frag_threshold = wiphy->frag_threshold;
604 if (changed & WIPHY_PARAM_RETRY_LONG)
605 bss_cfg->retry_limit = wiphy->retry_long;
606
607 bss_started = priv->bss_started;
608
fa0ecbb9
BZ		 609 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
610 HostCmd_ACT_GEN_SET, 0,
611 NULL, true);
9b930eae
AP		 612 if (ret) {
613 wiphy_err(wiphy, "Failed to stop the BSS\n");
614 kfree(bss_cfg);
615 return ret;
616 }
617
fa0ecbb9
BZ		 618 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
619 HostCmd_ACT_GEN_SET,
620 UAP_BSS_PARAMS_I, bss_cfg,
621 false);
5e6e3a92 622
9b930eae
AP		 623 kfree(bss_cfg);
624
625 if (ret) {
626 wiphy_err(wiphy, "Failed to set bss config\n");
627 return ret;
628 }
5e6e3a92 629
9b930eae
AP		 630 if (!bss_started)
631 break;
632
fa0ecbb9
BZ		 633 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
634 HostCmd_ACT_GEN_SET, 0,
635 NULL, false);
9b930eae
AP		 636 if (ret) {
637 wiphy_err(wiphy, "Failed to start BSS\n");
638 return ret;
639 }
640
641 break;
642 case MWIFIEX_BSS_ROLE_STA:
643 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
644 ret = mwifiex_set_rts(priv,
645 wiphy->rts_threshold);
646 if (ret)
647 return ret;
648 }
649 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
650 ret = mwifiex_set_frag(priv,
651 wiphy->frag_threshold);
652 if (ret)
653 return ret;
654 }
655 break;
656 }
657 }
658
659 return 0;
5e6e3a92
BZ		 660}
661
e1a2b7a3
SP		 662static int
663mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
664{
665 u16 mode = P2P_MODE_DISABLE;
666
9197ab9e
SP		 667 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
668 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
669
fa0ecbb9
BZ		 670 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
671 HostCmd_ACT_GEN_SET, 0, &mode, true))
e1a2b7a3
SP		 672 return -1;
673
674 return 0;
675}
676
677/*
678 * This function initializes the functionalities for P2P client.
679 * The P2P client initialization sequence is:
680 * disable -> device -> client
681 */
682static int
683mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
684{
685 u16 mode;
686
687 if (mwifiex_cfg80211_deinit_p2p(priv))
688 return -1;
689
690 mode = P2P_MODE_DEVICE;
fa0ecbb9
BZ		 691 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
692 HostCmd_ACT_GEN_SET, 0, &mode, true))
e1a2b7a3
SP		 693 return -1;
694
695 mode = P2P_MODE_CLIENT;
fa0ecbb9
BZ		 696 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
697 HostCmd_ACT_GEN_SET, 0, &mode, true))
e1a2b7a3
SP		 698 return -1;
699
700 return 0;
701}
702
9197ab9e
SP		 703/*
704 * This function initializes the functionalities for P2P GO.
705 * The P2P GO initialization sequence is:
706 * disable -> device -> GO
707 */
708static int
709mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
710{
711 u16 mode;
712
713 if (mwifiex_cfg80211_deinit_p2p(priv))
714 return -1;
715
716 mode = P2P_MODE_DEVICE;
fa0ecbb9
BZ		 717 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
718 HostCmd_ACT_GEN_SET, 0, &mode, true))
9197ab9e
SP		 719 return -1;
720
721 mode = P2P_MODE_GO;
fa0ecbb9
BZ		 722 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
723 HostCmd_ACT_GEN_SET, 0, &mode, true))
9197ab9e
SP		 724 return -1;
725
726 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
727 mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
728
729 return 0;
730}
731
5e6e3a92
BZ		 732/*
733 * CFG802.11 operation handler to change interface type.
5e6e3a92
BZ		 734 */
735static int
736mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
737 struct net_device *dev,
738 enum nl80211_iftype type, u32 *flags,
739 struct vif_params *params)
740{
270e58e8 741 int ret;
5e6e3a92 742 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 743
4f02341a 744 switch (dev->ieee80211_ptr->iftype) {
5e6e3a92 745 case NL80211_IFTYPE_ADHOC:
4f02341a
AP		 746 switch (type) {
747 case NL80211_IFTYPE_STATION:
748 break;
749 case NL80211_IFTYPE_UNSPECIFIED:
750 wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name);
751 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
752 return 0;
753 case NL80211_IFTYPE_AP:
754 default:
755 wiphy_err(wiphy, "%s: changing to %d not supported\n",
756 dev->name, type);
757 return -EOPNOTSUPP;
758 }
5e6e3a92
BZ		 759 break;
760 case NL80211_IFTYPE_STATION:
4f02341a
AP		 761 switch (type) {
762 case NL80211_IFTYPE_ADHOC:
763 break;
e1a2b7a3
SP		 764 case NL80211_IFTYPE_P2P_CLIENT:
765 if (mwifiex_cfg80211_init_p2p_client(priv))
766 return -EFAULT;
767 dev->ieee80211_ptr->iftype = type;
768 return 0;
9197ab9e
SP		 769 case NL80211_IFTYPE_P2P_GO:
770 if (mwifiex_cfg80211_init_p2p_go(priv))
771 return -EFAULT;
772 dev->ieee80211_ptr->iftype = type;
773 return 0;
4f02341a
AP		 774 case NL80211_IFTYPE_UNSPECIFIED:
775 wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
776 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
777 return 0;
778 case NL80211_IFTYPE_AP:
779 default:
780 wiphy_err(wiphy, "%s: changing to %d not supported\n",
781 dev->name, type);
782 return -EOPNOTSUPP;
783 }
784 break;
785 case NL80211_IFTYPE_AP:
786 switch (type) {
787 case NL80211_IFTYPE_UNSPECIFIED:
788 wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name);
789 case NL80211_IFTYPE_AP: /* This shouldn't happen */
790 return 0;
791 case NL80211_IFTYPE_ADHOC:
792 case NL80211_IFTYPE_STATION:
793 default:
794 wiphy_err(wiphy, "%s: changing to %d not supported\n",
795 dev->name, type);
796 return -EOPNOTSUPP;
797 }
5e6e3a92 798 break;
e1a2b7a3 799 case NL80211_IFTYPE_P2P_CLIENT:
9197ab9e 800 case NL80211_IFTYPE_P2P_GO:
e1a2b7a3
SP		 801 switch (type) {
802 case NL80211_IFTYPE_STATION:
803 if (mwifiex_cfg80211_deinit_p2p(priv))
804 return -EFAULT;
805 dev->ieee80211_ptr->iftype = type;
806 return 0;
807 default:
808 return -EOPNOTSUPP;
809 }
810 break;
5e6e3a92 811 default:
4f02341a
AP		 812 wiphy_err(wiphy, "%s: unknown iftype: %d\n",
813 dev->name, dev->ieee80211_ptr->iftype);
814 return -EOPNOTSUPP;
5e6e3a92 815 }
5e6e3a92 816
4f02341a
AP		 817 dev->ieee80211_ptr->iftype = type;
818 priv->bss_mode = type;
600f5d90 819 mwifiex_deauthenticate(priv, NULL);
eecd8250 820
f986b6d5 821 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
eecd8250 822
fa0ecbb9
BZ		 823 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
824 HostCmd_ACT_GEN_SET, 0, NULL, true);
eecd8250 825
5e6e3a92
BZ		 826 return ret;
827}
828
a5f39056
YAP		 829static void
830mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
831 struct rate_info *rate)
832{
833 struct mwifiex_adapter *adapter = priv->adapter;
834
835 if (adapter->is_hw_11ac_capable) {
836 /* bit[1-0]: 00=LG 01=HT 10=VHT */
837 if (tx_htinfo & BIT(0)) {
838 /* HT */
839 rate->mcs = priv->tx_rate;
840 rate->flags |= RATE_INFO_FLAGS_MCS;
841 }
842 if (tx_htinfo & BIT(1)) {
843 /* VHT */
844 rate->mcs = priv->tx_rate & 0x0F;
845 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
846 }
847
848 if (tx_htinfo & (BIT(1) | BIT(0))) {
849 /* HT or VHT */
850 switch (tx_htinfo & (BIT(3) | BIT(2))) {
851 case 0:
852 /* This will be 20MHz */
853 break;
854 case (BIT(2)):
855 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
856 break;
857 case (BIT(3)):
858 rate->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
859 break;
860 case (BIT(3) | BIT(2)):
861 rate->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
862 break;
863 }
864
865 if (tx_htinfo & BIT(4))
866 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
867
868 if ((priv->tx_rate >> 4) == 1)
869 rate->nss = 2;
870 else
871 rate->nss = 1;
872 }
873 } else {
874 /*
875 * Bit 0 in tx_htinfo indicates that current Tx rate
876 * is 11n rate. Valid MCS index values for us are 0 to 15.
877 */
878 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
879 rate->mcs = priv->tx_rate;
880 rate->flags |= RATE_INFO_FLAGS_MCS;
881 if (tx_htinfo & BIT(1))
882 rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
883 if (tx_htinfo & BIT(2))
884 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
885 }
886 }
887}
888
5e6e3a92
BZ		 889/*
890 * This function dumps the station information on a buffer.
891 *
892 * The following information are shown -
893 * - Total bytes transmitted
894 * - Total bytes received
895 * - Total packets transmitted
896 * - Total packets received
897 * - Signal quality level
898 * - Transmission rate
899 */
900static int
901mwifiex_dump_station_info(struct mwifiex_private *priv,
902 struct station_info *sinfo)
903{
006606c0 904 u32 rate;
5e6e3a92
BZ		 905
906 sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
7013d3e2
AK		 907 STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
908 STATION_INFO_TX_BITRATE |
909 STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
5e6e3a92
BZ		 910
911 /* Get signal information from the firmware */
fa0ecbb9
BZ		 912 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
913 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
958a4a86
AK		 914 dev_err(priv->adapter->dev, "failed to get signal information\n");
915 return -EFAULT;
5e6e3a92
BZ		 916 }
917
918 if (mwifiex_drv_get_data_rate(priv, &rate)) {
919 dev_err(priv->adapter->dev, "getting data rate\n");
958a4a86 920 return -EFAULT;
5e6e3a92
BZ		 921 }
922
caf60a6c 923 /* Get DTIM period information from firmware */
fa0ecbb9
BZ		 924 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
925 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
926 &priv->dtim_period, true);
caf60a6c 927
a5f39056 928 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
4ec6f9c0 929
7013d3e2 930 sinfo->signal_avg = priv->bcn_rssi_avg;
5e6e3a92
BZ		 931 sinfo->rx_bytes = priv->stats.rx_bytes;
932 sinfo->tx_bytes = priv->stats.tx_bytes;
933 sinfo->rx_packets = priv->stats.rx_packets;
934 sinfo->tx_packets = priv->stats.tx_packets;
958a4a86 935 sinfo->signal = priv->bcn_rssi_avg;
4ec6f9c0 936 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
006606c0 937 sinfo->txrate.legacy = rate * 5;
5e6e3a92 938
c4f3b972
AK		 939 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
940 sinfo->filled |= STATION_INFO_BSS_PARAM;
941 sinfo->bss_param.flags = 0;
942 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
943 WLAN_CAPABILITY_SHORT_PREAMBLE)
944 sinfo->bss_param.flags |=
945 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
946 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
947 WLAN_CAPABILITY_SHORT_SLOT_TIME)
948 sinfo->bss_param.flags |=
949 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
caf60a6c 950 sinfo->bss_param.dtim_period = priv->dtim_period;
c4f3b972
AK		 951 sinfo->bss_param.beacon_interval =
952 priv->curr_bss_params.bss_descriptor.beacon_period;
953 }
954
958a4a86 955 return 0;
5e6e3a92
BZ		 956}
957
958/*
959 * CFG802.11 operation handler to get station information.
960 *
961 * This function only works in connected mode, and dumps the
962 * requested station information, if available.
963 */
964static int
965mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 966 const u8 *mac, struct station_info *sinfo)
5e6e3a92
BZ		 967{
968 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 969
5e6e3a92
BZ		 970 if (!priv->media_connected)
971 return -ENOENT;
972 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
973 return -ENOENT;
974
636c4598 975 return mwifiex_dump_station_info(priv, sinfo);
5e6e3a92
BZ		 976}
977
f85aae6b
AK		 978/*
979 * CFG802.11 operation handler to dump station information.
980 */
981static int
982mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
983 int idx, u8 *mac, struct station_info *sinfo)
984{
985 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
986
987 if (!priv->media_connected || idx)
988 return -ENOENT;
989
990 memcpy(mac, priv->cfg_bssid, ETH_ALEN);
991
992 return mwifiex_dump_station_info(priv, sinfo);
993}
994
5e6e3a92 995/* Supported rates to be advertised to the cfg80211 */
5e6e3a92
BZ		 996static struct ieee80211_rate mwifiex_rates[] = {
997 {.bitrate = 10, .hw_value = 2, },
998 {.bitrate = 20, .hw_value = 4, },
999 {.bitrate = 55, .hw_value = 11, },
1000 {.bitrate = 110, .hw_value = 22, },
5e6e3a92
BZ		 1001 {.bitrate = 60, .hw_value = 12, },
1002 {.bitrate = 90, .hw_value = 18, },
1003 {.bitrate = 120, .hw_value = 24, },
1004 {.bitrate = 180, .hw_value = 36, },
1005 {.bitrate = 240, .hw_value = 48, },
1006 {.bitrate = 360, .hw_value = 72, },
1007 {.bitrate = 480, .hw_value = 96, },
1008 {.bitrate = 540, .hw_value = 108, },
5e6e3a92
BZ		 1009};
1010
1011/* Channel definitions to be advertised to cfg80211 */
5e6e3a92
BZ		 1012static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1013 {.center_freq = 2412, .hw_value = 1, },
1014 {.center_freq = 2417, .hw_value = 2, },
1015 {.center_freq = 2422, .hw_value = 3, },
1016 {.center_freq = 2427, .hw_value = 4, },
1017 {.center_freq = 2432, .hw_value = 5, },
1018 {.center_freq = 2437, .hw_value = 6, },
1019 {.center_freq = 2442, .hw_value = 7, },
1020 {.center_freq = 2447, .hw_value = 8, },
1021 {.center_freq = 2452, .hw_value = 9, },
1022 {.center_freq = 2457, .hw_value = 10, },
1023 {.center_freq = 2462, .hw_value = 11, },
1024 {.center_freq = 2467, .hw_value = 12, },
1025 {.center_freq = 2472, .hw_value = 13, },
1026 {.center_freq = 2484, .hw_value = 14, },
1027};
1028
1029static struct ieee80211_supported_band mwifiex_band_2ghz = {
1030 .channels = mwifiex_channels_2ghz,
1031 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1032 .bitrates = mwifiex_rates,
8763848e 1033 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
5e6e3a92
BZ		 1034};
1035
1036static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1037 {.center_freq = 5040, .hw_value = 8, },
1038 {.center_freq = 5060, .hw_value = 12, },
1039 {.center_freq = 5080, .hw_value = 16, },
1040 {.center_freq = 5170, .hw_value = 34, },
1041 {.center_freq = 5190, .hw_value = 38, },
1042 {.center_freq = 5210, .hw_value = 42, },
1043 {.center_freq = 5230, .hw_value = 46, },
1044 {.center_freq = 5180, .hw_value = 36, },
1045 {.center_freq = 5200, .hw_value = 40, },
1046 {.center_freq = 5220, .hw_value = 44, },
1047 {.center_freq = 5240, .hw_value = 48, },
1048 {.center_freq = 5260, .hw_value = 52, },
1049 {.center_freq = 5280, .hw_value = 56, },
1050 {.center_freq = 5300, .hw_value = 60, },
1051 {.center_freq = 5320, .hw_value = 64, },
1052 {.center_freq = 5500, .hw_value = 100, },
1053 {.center_freq = 5520, .hw_value = 104, },
1054 {.center_freq = 5540, .hw_value = 108, },
1055 {.center_freq = 5560, .hw_value = 112, },
1056 {.center_freq = 5580, .hw_value = 116, },
1057 {.center_freq = 5600, .hw_value = 120, },
1058 {.center_freq = 5620, .hw_value = 124, },
1059 {.center_freq = 5640, .hw_value = 128, },
1060 {.center_freq = 5660, .hw_value = 132, },
1061 {.center_freq = 5680, .hw_value = 136, },
1062 {.center_freq = 5700, .hw_value = 140, },
1063 {.center_freq = 5745, .hw_value = 149, },
1064 {.center_freq = 5765, .hw_value = 153, },
1065 {.center_freq = 5785, .hw_value = 157, },
1066 {.center_freq = 5805, .hw_value = 161, },
1067 {.center_freq = 5825, .hw_value = 165, },
1068};
1069
1070static struct ieee80211_supported_band mwifiex_band_5ghz = {
1071 .channels = mwifiex_channels_5ghz,
1072 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
eb416ad3
AP		 1073 .bitrates = mwifiex_rates + 4,
1074 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
5e6e3a92
BZ		 1075};
1076
1077
1078/* Supported crypto cipher suits to be advertised to cfg80211 */
5e6e3a92
BZ		 1079static const u32 mwifiex_cipher_suites[] = {
1080 WLAN_CIPHER_SUITE_WEP40,
1081 WLAN_CIPHER_SUITE_WEP104,
1082 WLAN_CIPHER_SUITE_TKIP,
1083 WLAN_CIPHER_SUITE_CCMP,
53b11231 1084 WLAN_CIPHER_SUITE_AES_CMAC,
5e6e3a92
BZ		 1085};
1086
83719be8
SP		 1087/* Supported mgmt frame types to be advertised to cfg80211 */
1088static const struct ieee80211_txrx_stypes
1089mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1090 [NL80211_IFTYPE_STATION] = {
1091 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1092 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1093 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1094 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1095 },
1096 [NL80211_IFTYPE_AP] = {
1097 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1098 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1099 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1100 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1101 },
1102 [NL80211_IFTYPE_P2P_CLIENT] = {
1103 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1104 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1105 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1106 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1107 },
1108 [NL80211_IFTYPE_P2P_GO] = {
1109 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1110 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1111 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1112 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1113 },
1114};
1115
5d82c53a
YAP		 1116/*
1117 * CFG802.11 operation handler for setting bit rates.
1118 *
433c3990
AK		 1119 * Function configures data rates to firmware using bitrate mask
1120 * provided by cfg80211.
5d82c53a
YAP		 1121 */
1122static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1123 struct net_device *dev,
1124 const u8 *peer,
1125 const struct cfg80211_bitrate_mask *mask)
1126{
5d82c53a 1127 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
433c3990
AK		 1128 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1129 enum ieee80211_band band;
c44379e2 1130 struct mwifiex_adapter *adapter = priv->adapter;
5d82c53a 1131
433c3990 1132 if (!priv->media_connected) {
c44379e2 1133 dev_err(adapter->dev,
433c3990
AK		 1134 "Can not set Tx data rate in disconnected state\n");
1135 return -EINVAL;
5d82c53a
YAP		 1136 }
1137
433c3990 1138 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
5d82c53a 1139
433c3990 1140 memset(bitmap_rates, 0, sizeof(bitmap_rates));
5d82c53a 1141
433c3990
AK		 1142 /* Fill HR/DSSS rates. */
1143 if (band == IEEE80211_BAND_2GHZ)
1144 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
5d82c53a 1145
433c3990
AK		 1146 /* Fill OFDM rates */
1147 if (band == IEEE80211_BAND_2GHZ)
1148 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1149 else
1150 bitmap_rates[1] = mask->control[band].legacy;
1151
d1e33e65
JD		 1152 /* Fill HT MCS rates */
1153 bitmap_rates[2] = mask->control[band].ht_mcs[0];
c44379e2 1154 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
d1e33e65 1155 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
433c3990 1156
c44379e2
AK		 1157 /* Fill VHT MCS rates */
1158 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1159 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1160 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1161 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1162 }
1163
fa0ecbb9
BZ		 1164 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1165 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
5d82c53a
YAP		 1166}
1167
fa444bf8
AK		 1168/*
1169 * CFG802.11 operation handler for connection quality monitoring.
1170 *
1171 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1172 * events to FW.
1173 */
1174static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1175 struct net_device *dev,
1176 s32 rssi_thold, u32 rssi_hyst)
1177{
1178 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1179 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1180
1181 priv->cqm_rssi_thold = rssi_thold;
1182 priv->cqm_rssi_hyst = rssi_hyst;
1183
1184 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1185 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1186
1187 /* Subscribe/unsubscribe low and high rssi events */
1188 if (rssi_thold && rssi_hyst) {
1189 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1190 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1191 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1192 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1193 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
fa0ecbb9
BZ		 1194 return mwifiex_send_cmd(priv,
1195 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1196 0, 0, &subsc_evt, true);
fa444bf8
AK		 1197 } else {
1198 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
fa0ecbb9
BZ		 1199 return mwifiex_send_cmd(priv,
1200 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1201 0, 0, &subsc_evt, true);
fa444bf8
AK		 1202 }
1203
1204 return 0;
1205}
1206
5370c836
AP		 1207/* cfg80211 operation handler for change_beacon.
1208 * Function retrieves and sets modified management IEs to FW.
1209 */
1210static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1211 struct net_device *dev,
1212 struct cfg80211_beacon_data *data)
1213{
1214 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1215
9197ab9e 1216 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
5370c836
AP		 1217 wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
1218 return -EINVAL;
1219 }
1220
1221 if (!priv->bss_started) {
1222 wiphy_err(wiphy, "%s: bss not started\n", __func__);
1223 return -EINVAL;
1224 }
1225
1226 if (mwifiex_set_mgmt_ies(priv, data)) {
1227 wiphy_err(wiphy, "%s: setting mgmt ies failed\n", __func__);
1228 return -EFAULT;
1229 }
1230
1231 return 0;
1232}
1233
0f9e9b8b
AP		 1234/* cfg80211 operation handler for del_station.
1235 * Function deauthenticates station which value is provided in mac parameter.
1236 * If mac is NULL/broadcast, all stations in associated station list are
1237 * deauthenticated. If bss is not started or there are no stations in
1238 * associated stations list, no action is taken.
1239 */
1240static int
1241mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1242 const u8 *mac)
0f9e9b8b
AP		 1243{
1244 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1245 struct mwifiex_sta_node *sta_node;
1246 unsigned long flags;
1247
1248 if (list_empty(&priv->sta_list) || !priv->bss_started)
1249 return 0;
1250
1251 if (!mac || is_broadcast_ether_addr(mac)) {
1252 wiphy_dbg(wiphy, "%s: NULL/broadcast mac address\n", __func__);
1253 list_for_each_entry(sta_node, &priv->sta_list, list) {
fa0ecbb9
BZ		 1254 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1255 HostCmd_ACT_GEN_SET, 0,
1256 sta_node->mac_addr, true))
0f9e9b8b
AP		 1257 return -1;
1258 mwifiex_uap_del_sta_data(priv, sta_node);
1259 }
1260 } else {
1261 wiphy_dbg(wiphy, "%s: mac address %pM\n", __func__, mac);
1262 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1263 sta_node = mwifiex_get_sta_entry(priv, mac);
1264 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1265 if (sta_node) {
fa0ecbb9
BZ		 1266 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1267 HostCmd_ACT_GEN_SET, 0,
1268 sta_node->mac_addr, true))
0f9e9b8b
AP		 1269 return -1;
1270 mwifiex_uap_del_sta_data(priv, sta_node);
1271 }
1272 }
1273
1274 return 0;
1275}
1276
8a279d5b
AK		 1277static int
1278mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1279{
1280 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1281 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1282 MWIFIEX_BSS_ROLE_ANY);
1283 struct mwifiex_ds_ant_cfg ant_cfg;
1284
1285 if (!tx_ant || !rx_ant)
1286 return -EOPNOTSUPP;
1287
1288 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1289 /* Not a MIMO chip. User should provide specific antenna number
1290 * for Tx/Rx path or enable all antennas for diversity
1291 */
1292 if (tx_ant != rx_ant)
1293 return -EOPNOTSUPP;
1294
1295 if ((tx_ant & (tx_ant - 1)) &&
1296 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1297 return -EOPNOTSUPP;
1298
1299 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1300 (priv->adapter->number_of_antenna > 1)) {
1301 tx_ant = RF_ANTENNA_AUTO;
1302 rx_ant = RF_ANTENNA_AUTO;
1303 }
a5333914
AK		 1304 } else {
1305 struct ieee80211_sta_ht_cap *ht_info;
1306 int rx_mcs_supp;
1307 enum ieee80211_band band;
1308
1309 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1310 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1311 if (adapter->is_hw_11ac_capable)
1312 adapter->usr_dot_11ac_mcs_support =
1313 MWIFIEX_11AC_MCS_MAP_1X1;
1314 } else {
1315 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1316 if (adapter->is_hw_11ac_capable)
1317 adapter->usr_dot_11ac_mcs_support =
1318 MWIFIEX_11AC_MCS_MAP_2X2;
1319 }
1320
1321 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1322 if (!adapter->wiphy->bands[band])
1323 continue;
1324
1325 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1326 rx_mcs_supp =
1327 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1328 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1329 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1330 }
8a279d5b
AK		 1331 }
1332
1333 ant_cfg.tx_ant = tx_ant;
1334 ant_cfg.rx_ant = rx_ant;
1335
fa0ecbb9
BZ		 1336 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1337 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
8a279d5b
AK		 1338}
1339
12190c5d
AP		 1340/* cfg80211 operation handler for stop ap.
1341 * Function stops BSS running at uAP interface.
1342 */
1343static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1344{
1345 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1346
40bbc21a
AP		 1347 if (mwifiex_del_mgmt_ies(priv))
1348 wiphy_err(wiphy, "Failed to delete mgmt IEs!\n");
1349
c8258913
AP		 1350 priv->ap_11n_enabled = 0;
1351
fa0ecbb9
BZ		 1352 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1353 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
12190c5d
AP		 1354 wiphy_err(wiphy, "Failed to stop the BSS\n");
1355 return -1;
1356 }
1357
1358 return 0;
1359}
1360
1361/* cfg80211 operation handler for start_ap.
1362 * Function sets beacon period, DTIM period, SSID and security into
1363 * AP config structure.
1364 * AP is configured with these settings and BSS is started.
1365 */
1366static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1367 struct net_device *dev,
1368 struct cfg80211_ap_settings *params)
1369{
1370 struct mwifiex_uap_bss_param *bss_cfg;
1371 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
05910f4a 1372 u8 config_bands = 0;
12190c5d 1373
9197ab9e 1374 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
f752dcd5 1375 return -1;
adb6ed0c 1376 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
f31acabe 1377 return -1;
f752dcd5 1378
12190c5d
AP		 1379 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1380 if (!bss_cfg)
1381 return -ENOMEM;
1382
1383 mwifiex_set_sys_config_invalid_data(bss_cfg);
1384
1385 if (params->beacon_interval)
1386 bss_cfg->beacon_period = params->beacon_interval;
1387 if (params->dtim_period)
1388 bss_cfg->dtim_period = params->dtim_period;
1389
1390 if (params->ssid && params->ssid_len) {
1391 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1392 bss_cfg->ssid.ssid_len = params->ssid_len;
1393 }
1394
7a1c9934
AP		 1395 switch (params->hidden_ssid) {
1396 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1397 bss_cfg->bcast_ssid_ctl = 1;
1398 break;
1399 case NL80211_HIDDEN_SSID_ZERO_LEN:
1400 bss_cfg->bcast_ssid_ctl = 0;
1401 break;
1402 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1403 /* firmware doesn't support this type of hidden SSID */
1404 default:
b3190466 1405 kfree(bss_cfg);
7a1c9934
AP		 1406 return -EINVAL;
1407 }
1408
683b6d3b
JB		 1409 bss_cfg->channel = ieee80211_frequency_to_channel(
1410 params->chandef.chan->center_freq);
0abd79e5 1411
05910f4a 1412 /* Set appropriate bands */
683b6d3b 1413 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
a3c2c4f6 1414 bss_cfg->band_cfg = BAND_CONFIG_BG;
a5f39056 1415 config_bands = BAND_B | BAND_G;
a3c2c4f6 1416
a5f39056
YAP		 1417 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1418 config_bands |= BAND_GN;
05910f4a 1419 } else {
a3c2c4f6 1420 bss_cfg->band_cfg = BAND_CONFIG_A;
a5f39056 1421 config_bands = BAND_A;
a3c2c4f6 1422
a5f39056
YAP		 1423 if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
1424 config_bands |= BAND_AN;
1425
1426 if (params->chandef.width > NL80211_CHAN_WIDTH_40)
1427 config_bands |= BAND_AAC;
0abd79e5
AP		 1428 }
1429
05910f4a
AK		 1430 if (!((config_bands | priv->adapter->fw_bands) &
1431 ~priv->adapter->fw_bands))
1432 priv->adapter->config_bands = config_bands;
1433
a3c2c4f6 1434 mwifiex_set_uap_rates(bss_cfg, params);
05910f4a
AK		 1435 mwifiex_send_domain_info_cmd_fw(wiphy);
1436
f752dcd5
AP		 1437 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1438 kfree(bss_cfg);
1439 wiphy_err(wiphy, "Failed to parse secuirty parameters!\n");
1440 return -1;
1441 }
1442
22281256 1443 mwifiex_set_ht_params(priv, bss_cfg, params);
83c78da9
YAP		 1444
1445 if (priv->adapter->is_hw_11ac_capable) {
1446 mwifiex_set_vht_params(priv, bss_cfg, params);
1447 mwifiex_set_vht_width(priv, params->chandef.width,
1448 priv->ap_11ac_enabled);
1449 }
1450
2b6254da
AP		 1451 if (priv->ap_11ac_enabled)
1452 mwifiex_set_11ac_ba_params(priv);
1453 else
1454 mwifiex_set_ba_params(priv);
1455
54428c57 1456 mwifiex_set_wmm_params(priv, bss_cfg, params);
22281256 1457
8b4509f6
KG		 1458 if (params->inactivity_timeout > 0) {
1459 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1460 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1461 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1462 }
1463
fa0ecbb9
BZ		 1464 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1465 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
12190c5d
AP		 1466 wiphy_err(wiphy, "Failed to stop the BSS\n");
1467 kfree(bss_cfg);
1468 return -1;
1469 }
1470
fa0ecbb9
BZ		 1471 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
1472 HostCmd_ACT_GEN_SET,
1473 UAP_BSS_PARAMS_I, bss_cfg, false)) {
12190c5d
AP		 1474 wiphy_err(wiphy, "Failed to set the SSID\n");
1475 kfree(bss_cfg);
1476 return -1;
1477 }
1478
1479 kfree(bss_cfg);
1480
fa0ecbb9
BZ		 1481 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_START,
1482 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
12190c5d
AP		 1483 wiphy_err(wiphy, "Failed to start the BSS\n");
1484 return -1;
1485 }
1486
96893538
AP		 1487 if (priv->sec_info.wep_enabled)
1488 priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
1489 else
1490 priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
1491
fa0ecbb9
BZ		 1492 if (mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
1493 HostCmd_ACT_GEN_SET, 0,
1494 &priv->curr_pkt_filter, true))
96893538
AP		 1495 return -1;
1496
12190c5d
AP		 1497 return 0;
1498}
1499
5e6e3a92
BZ		 1500/*
1501 * CFG802.11 operation handler for disconnection request.
1502 *
1503 * This function does not work when there is already a disconnection
1504 * procedure going on.
1505 */
1506static int
1507mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1508 u16 reason_code)
1509{
1510 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1511
600f5d90 1512 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 1513 return -EFAULT;
1514
1515 wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
1516 " reason code %d\n", priv->cfg_bssid, reason_code);
1517
38c9d664 1518 memset(priv->cfg_bssid, 0, ETH_ALEN);
587b36d3 1519 priv->hs2_enabled = false;
5e6e3a92
BZ		 1520
1521 return 0;
1522}
1523
1524/*
1525 * This function informs the CFG802.11 subsystem of a new IBSS.
1526 *
1527 * The following information are sent to the CFG802.11 subsystem
1528 * to register the new IBSS. If we do not register the new IBSS,
1529 * a kernel panic will result.
1530 * - SSID
1531 * - SSID length
1532 * - BSSID
1533 * - Channel
1534 */
1535static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1536{
5e6e3a92
BZ		 1537 struct ieee80211_channel *chan;
1538 struct mwifiex_bss_info bss_info;
aa95a48d 1539 struct cfg80211_bss *bss;
270e58e8 1540 int ie_len;
5e6e3a92 1541 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
4ed5d521 1542 enum ieee80211_band band;
5e6e3a92 1543
636c4598
YAP		 1544 if (mwifiex_get_bss_info(priv, &bss_info))
1545 return -1;
5e6e3a92
BZ		 1546
1547 ie_buf[0] = WLAN_EID_SSID;
1548 ie_buf[1] = bss_info.ssid.ssid_len;
1549
1550 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
aea0701e 1551 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
5e6e3a92
BZ		 1552 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1553
4ed5d521 1554 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
5e6e3a92
BZ		 1555 chan = __ieee80211_get_channel(priv->wdev->wiphy,
1556 ieee80211_channel_to_frequency(bss_info.bss_chan,
4ed5d521 1557 band));
5e6e3a92 1558
aa95a48d 1559 bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
aea0701e
YAP		 1560 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1561 0, ie_buf, ie_len, 0, GFP_KERNEL);
5b112d3d 1562 cfg80211_put_bss(priv->wdev->wiphy, bss);
5e6e3a92
BZ		 1563 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1564
636c4598 1565 return 0;
5e6e3a92
BZ		 1566}
1567
5e6e3a92
BZ		 1568/*
1569 * This function connects with a BSS.
1570 *
1571 * This function handles both Infra and Ad-Hoc modes. It also performs
1572 * validity checking on the provided parameters, disconnects from the
1573 * current BSS (if any), sets up the association/scan parameters,
1574 * including security settings, and performs specific SSID scan before
1575 * trying to connect.
1576 *
1577 * For Infra mode, the function returns failure if the specified SSID
1578 * is not found in scan table. However, for Ad-Hoc mode, it can create
1579 * the IBSS if it does not exist. On successful completion in either case,
7c6fa2a8 1580 * the function notifies the CFG802.11 subsystem of the new BSS connection.
5e6e3a92
BZ		 1581 */
1582static int
664834de
JM		 1583mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
1584 const u8 *ssid, const u8 *bssid, int mode,
1585 struct ieee80211_channel *channel,
5e6e3a92
BZ		 1586 struct cfg80211_connect_params *sme, bool privacy)
1587{
b9be5f39 1588 struct cfg80211_ssid req_ssid;
270e58e8 1589 int ret, auth_type = 0;
7c6fa2a8 1590 struct cfg80211_bss *bss = NULL;
d7b9c520 1591 u8 is_scanning_required = 0;
5e6e3a92 1592
b9be5f39 1593 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
5e6e3a92
BZ		 1594
1595 req_ssid.ssid_len = ssid_len;
1596 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
1597 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1598 return -EINVAL;
1599 }
1600
1601 memcpy(req_ssid.ssid, ssid, ssid_len);
1602 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
1603 dev_err(priv->adapter->dev, "invalid SSID - aborting\n");
1604 return -EINVAL;
1605 }
1606
1607 /* disconnect before try to associate */
600f5d90 1608 mwifiex_deauthenticate(priv, NULL);
5e6e3a92 1609
6670f15b
AK		 1610 /* As this is new association, clear locally stored
1611 * keys and security related flags */
1612 priv->sec_info.wpa_enabled = false;
1613 priv->sec_info.wpa2_enabled = false;
1614 priv->wep_key_curr_index = 0;
00f157b4 1615 priv->sec_info.encryption_mode = 0;
a0f6d6ca 1616 priv->sec_info.is_authtype_auto = 0;
53b11231 1617 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
5e6e3a92 1618
eecd8250 1619 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1620 /* "privacy" is set only for ad-hoc mode */
1621 if (privacy) {
1622 /*
2be50b8d 1623 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
5e6e3a92
BZ		 1624 * the firmware can find a matching network from the
1625 * scan. The cfg80211 does not give us the encryption
1626 * mode at this stage so just setting it to WEP here.
1627 */
203afeca 1628 priv->sec_info.encryption_mode =
2be50b8d 1629 WLAN_CIPHER_SUITE_WEP104;
203afeca 1630 priv->sec_info.authentication_mode =
f986b6d5 1631 NL80211_AUTHTYPE_OPEN_SYSTEM;
5e6e3a92
BZ		 1632 }
1633
1634 goto done;
1635 }
1636
1637 /* Now handle infra mode. "sme" is valid for infra mode only */
a0f6d6ca 1638 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
f986b6d5 1639 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
a0f6d6ca
AK		 1640 priv->sec_info.is_authtype_auto = 1;
1641 } else {
1642 auth_type = sme->auth_type;
1643 }
5e6e3a92
BZ		 1644
1645 if (sme->crypto.n_ciphers_pairwise) {
2be50b8d
YAP		 1646 priv->sec_info.encryption_mode =
1647 sme->crypto.ciphers_pairwise[0];
203afeca 1648 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 1649 }
1650
1651 if (sme->crypto.cipher_group) {
2be50b8d 1652 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
203afeca 1653 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 1654 }
1655 if (sme->ie)
1656 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
1657
1658 if (sme->key) {
e6faada5 1659 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
5e6e3a92
BZ		 1660 dev_dbg(priv->adapter->dev,
1661 "info: setting wep encryption"
1662 " with key len %d\n", sme->key_len);
6670f15b 1663 priv->wep_key_curr_index = sme->key_idx;
53b11231
YL		 1664 ret = mwifiex_set_encode(priv, NULL, sme->key,
1665 sme->key_len, sme->key_idx,
1666 NULL, 0);
5e6e3a92
BZ		 1667 }
1668 }
1669done:
7c6fa2a8
AK		 1670 /*
1671 * Scan entries are valid for some time (15 sec). So we can save one
1672 * active scan time if we just try cfg80211_get_bss first. If it fails
1673 * then request scan and cfg80211_get_bss() again for final output.
1674 */
1675 while (1) {
1676 if (is_scanning_required) {
1677 /* Do specific SSID scanning */
1678 if (mwifiex_request_scan(priv, &req_ssid)) {
1679 dev_err(priv->adapter->dev, "scan error\n");
1680 return -EFAULT;
1681 }
1682 }
5e6e3a92 1683
7c6fa2a8
AK		 1684 /* Find the BSS we want using available scan results */
1685 if (mode == NL80211_IFTYPE_ADHOC)
1686 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1687 bssid, ssid, ssid_len,
1688 WLAN_CAPABILITY_IBSS,
1689 WLAN_CAPABILITY_IBSS);
1690 else
1691 bss = cfg80211_get_bss(priv->wdev->wiphy, channel,
1692 bssid, ssid, ssid_len,
1693 WLAN_CAPABILITY_ESS,
1694 WLAN_CAPABILITY_ESS);
1695
1696 if (!bss) {
1697 if (is_scanning_required) {
aea0701e
YAP		 1698 dev_warn(priv->adapter->dev,
1699 "assoc: requested bss not found in scan results\n");
7c6fa2a8
AK		 1700 break;
1701 }
1702 is_scanning_required = 1;
1703 } else {
aea0701e
YAP		 1704 dev_dbg(priv->adapter->dev,
1705 "info: trying to associate to '%s' bssid %pM\n",
1706 (char *) req_ssid.ssid, bss->bssid);
7c6fa2a8
AK		 1707 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
1708 break;
1709 }
5e6e3a92
BZ		 1710 }
1711
06975884
AK		 1712 ret = mwifiex_bss_start(priv, bss, &req_ssid);
1713 if (ret)
1714 return ret;
5e6e3a92 1715
eecd8250 1716 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1717 /* Inform the BSS information to kernel, otherwise
1718 * kernel will give a panic after successful assoc */
1719 if (mwifiex_cfg80211_inform_ibss_bss(priv))
1720 return -EFAULT;
1721 }
1722
1723 return ret;
1724}
1725
1726/*
1727 * CFG802.11 operation handler for association request.
1728 *
1729 * This function does not work when the current mode is set to Ad-Hoc, or
1730 * when there is already an association procedure going on. The given BSS
1731 * information is used to associate.
1732 */
1733static int
1734mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
1735 struct cfg80211_connect_params *sme)
1736{
1737 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
8bc77a4d 1738 int ret;
5e6e3a92 1739
953b3539 1740 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
8bc77a4d 1741 wiphy_err(wiphy,
953b3539 1742 "%s: reject infra assoc request in non-STA role\n",
8bc77a4d
BZ		 1743 dev->name);
1744 return -EINVAL;
e568634a
AP		 1745 }
1746
5e6e3a92 1747 wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
aea0701e 1748 (char *) sme->ssid, sme->bssid);
5e6e3a92
BZ		 1749
1750 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
eecd8250 1751 priv->bss_mode, sme->channel, sme, 0);
38c9d664
AK		 1752 if (!ret) {
1753 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
1754 NULL, 0, WLAN_STATUS_SUCCESS,
1755 GFP_KERNEL);
1756 dev_dbg(priv->adapter->dev,
1757 "info: associated to bssid %pM successfully\n",
1758 priv->cfg_bssid);
1759 } else {
1760 dev_dbg(priv->adapter->dev,
1761 "info: association to bssid %pM failed\n",
1762 priv->cfg_bssid);
1763 memset(priv->cfg_bssid, 0, ETH_ALEN);
06975884
AK		 1764
1765 if (ret > 0)
1766 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1767 NULL, 0, NULL, 0, ret,
1768 GFP_KERNEL);
1769 else
1770 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
1771 NULL, 0, NULL, 0,
1772 WLAN_STATUS_UNSPECIFIED_FAILURE,
1773 GFP_KERNEL);
38c9d664
AK		 1774 }
1775
06975884 1776 return 0;
5e6e3a92
BZ		 1777}
1778
05910f4a
AK		 1779/*
1780 * This function sets following parameters for ibss network.
1781 * - channel
1782 * - start band
1783 * - 11n flag
1784 * - secondary channel offset
1785 */
1786static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
1787 struct cfg80211_ibss_params *params)
1788{
1789 struct wiphy *wiphy = priv->wdev->wiphy;
1790 struct mwifiex_adapter *adapter = priv->adapter;
1791 int index = 0, i;
1792 u8 config_bands = 0;
1793
683b6d3b 1794 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
05910f4a
AK		 1795 if (!params->basic_rates) {
1796 config_bands = BAND_B | BAND_G;
1797 } else {
1798 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
1799 /*
1800 * Rates below 6 Mbps in the table are CCK
1801 * rates; 802.11b and from 6 they are OFDM;
1802 * 802.11G
1803 */
1804 if (mwifiex_rates[i].bitrate == 60) {
1805 index = 1 << i;
1806 break;
1807 }
1808 }
1809
1810 if (params->basic_rates < index) {
1811 config_bands = BAND_B;
1812 } else {
1813 config_bands = BAND_G;
1814 if (params->basic_rates % index)
1815 config_bands |= BAND_B;
1816 }
1817 }
1818
683b6d3b
JB		 1819 if (cfg80211_get_chandef_type(&params->chandef) !=
1820 NL80211_CHAN_NO_HT)
3b86acb8 1821 config_bands |= BAND_G | BAND_GN;
05910f4a 1822 } else {
c3ff0b2d 1823 if (cfg80211_get_chandef_type(&params->chandef) ==
683b6d3b 1824 NL80211_CHAN_NO_HT)
05910f4a
AK		 1825 config_bands = BAND_A;
1826 else
1827 config_bands = BAND_AN | BAND_A;
1828 }
1829
1830 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
1831 adapter->config_bands = config_bands;
1832 adapter->adhoc_start_band = config_bands;
1833
1834 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
1835 adapter->adhoc_11n_enabled = true;
1836 else
1837 adapter->adhoc_11n_enabled = false;
1838 }
1839
1840 adapter->sec_chan_offset =
683b6d3b
JB		 1841 mwifiex_chan_type_to_sec_chan_offset(
1842 cfg80211_get_chandef_type(&params->chandef));
1843 priv->adhoc_channel = ieee80211_frequency_to_channel(
1844 params->chandef.chan->center_freq);
05910f4a
AK		 1845
1846 wiphy_dbg(wiphy, "info: set ibss band %d, chan %d, chan offset %d\n",
1847 config_bands, priv->adhoc_channel, adapter->sec_chan_offset);
1848
1849 return 0;
1850}
1851
5e6e3a92
BZ		 1852/*
1853 * CFG802.11 operation handler to join an IBSS.
1854 *
1855 * This function does not work in any mode other than Ad-Hoc, or if
1856 * a join operation is already in progress.
1857 */
1858static int
1859mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1860 struct cfg80211_ibss_params *params)
1861{
f540f9f3 1862 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 1863 int ret = 0;
5e6e3a92 1864
eecd8250 1865 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 1866 wiphy_err(wiphy, "request to join ibss received "
1867 "when station is not in ibss mode\n");
1868 goto done;
1869 }
1870
5e6e3a92 1871 wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
aea0701e 1872 (char *) params->ssid, params->bssid);
5e6e3a92 1873
05910f4a
AK		 1874 mwifiex_set_ibss_params(priv, params);
1875
5e6e3a92 1876 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
aea0701e 1877 params->bssid, priv->bss_mode,
683b6d3b
JB		 1878 params->chandef.chan, NULL,
1879 params->privacy);
5e6e3a92 1880done:
38c9d664 1881 if (!ret) {
fe94f3a4
AQ		 1882 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
1883 params->chandef.chan, GFP_KERNEL);
38c9d664
AK		 1884 dev_dbg(priv->adapter->dev,
1885 "info: joined/created adhoc network with bssid"
1886 " %pM successfully\n", priv->cfg_bssid);
1887 } else {
1888 dev_dbg(priv->adapter->dev,
1889 "info: failed creating/joining adhoc network\n");
1890 }
1891
5e6e3a92
BZ		 1892 return ret;
1893}
1894
1895/*
1896 * CFG802.11 operation handler to leave an IBSS.
1897 *
1898 * This function does not work if a leave operation is
1899 * already in progress.
1900 */
1901static int
1902mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1903{
f540f9f3 1904 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 1905
5e6e3a92 1906 wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
aea0701e 1907 priv->cfg_bssid);
600f5d90 1908 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 1909 return -EFAULT;
1910
38c9d664 1911 memset(priv->cfg_bssid, 0, ETH_ALEN);
5e6e3a92
BZ		 1912
1913 return 0;
1914}
1915
1916/*
1917 * CFG802.11 operation handler for scan request.
1918 *
1919 * This function issues a scan request to the firmware based upon
1920 * the user specified scan configuration. On successfull completion,
1921 * it also informs the results.
1922 */
1923static int
fd014284 1924mwifiex_cfg80211_scan(struct wiphy *wiphy,
5e6e3a92
BZ		 1925 struct cfg80211_scan_request *request)
1926{
fd014284 1927 struct net_device *dev = request->wdev->netdev;
5e6e3a92 1928 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
c2476335 1929 int i, offset, ret;
38c9d664 1930 struct ieee80211_channel *chan;
ea021f56 1931 struct ieee_types_header *ie;
75ab753d 1932 struct mwifiex_user_scan_cfg *user_scan_cfg;
5e6e3a92
BZ		 1933
1934 wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
1935
e45a8419
AK		 1936 if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) &&
1937 atomic_read(&priv->wmm.tx_pkts_queued) >=
de09364e
AK		 1938 MWIFIEX_MIN_TX_PENDING_TO_CANCEL_SCAN) {
1939 dev_dbg(priv->adapter->dev, "scan rejected due to traffic\n");
1940 return -EBUSY;
1941 }
1942
75ab753d
AK		 1943 /* Block scan request if scan operation or scan cleanup when interface
1944 * is disabled is in process
1945 */
1946 if (priv->scan_request || priv->scan_aborting) {
f162cac8
AK		 1947 dev_err(priv->adapter->dev, "cmd: Scan already in process..\n");
1948 return -EBUSY;
1949 }
1950
75ab753d
AK		 1951 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
1952 if (!user_scan_cfg)
38c9d664 1953 return -ENOMEM;
be0b281e 1954
6fcf2b10
BZ		 1955 priv->scan_request = request;
1956
75ab753d
AK		 1957 user_scan_cfg->num_ssids = request->n_ssids;
1958 user_scan_cfg->ssid_list = request->ssids;
be0b281e 1959
13d7ba78 1960 if (request->ie && request->ie_len) {
ea021f56 1961 offset = 0;
13d7ba78
AP		 1962 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
1963 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
1964 continue;
1965 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
ea021f56
SP		 1966 ie = (struct ieee_types_header *)(request->ie + offset);
1967 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
1968 offset += sizeof(*ie) + ie->len;
1969
1970 if (offset >= request->ie_len)
1971 break;
13d7ba78
AP		 1972 }
1973 }
1974
901ceba4
SP		 1975 for (i = 0; i < min_t(u32, request->n_channels,
1976 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
38c9d664 1977 chan = request->channels[i];
75ab753d
AK		 1978 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
1979 user_scan_cfg->chan_list[i].radio_type = chan->band;
38c9d664 1980
8fe02e16 1981 if (chan->flags & IEEE80211_CHAN_NO_IR)
75ab753d 1982 user_scan_cfg->chan_list[i].scan_type =
aea0701e 1983 MWIFIEX_SCAN_TYPE_PASSIVE;
38c9d664 1984 else
75ab753d 1985 user_scan_cfg->chan_list[i].scan_type =
aea0701e 1986 MWIFIEX_SCAN_TYPE_ACTIVE;
38c9d664 1987
75ab753d 1988 user_scan_cfg->chan_list[i].scan_time = 0;
38c9d664 1989 }
c2476335 1990
75ab753d
AK		 1991 ret = mwifiex_scan_networks(priv, user_scan_cfg);
1992 kfree(user_scan_cfg);
c2476335
BZ		 1993 if (ret) {
1994 dev_err(priv->adapter->dev, "scan failed: %d\n", ret);
75ab753d 1995 priv->scan_aborting = false;
6fcf2b10 1996 priv->scan_request = NULL;
c2476335
BZ		 1997 return ret;
1998 }
38c9d664 1999
13d7ba78
AP		 2000 if (request->ie && request->ie_len) {
2001 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2002 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2003 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2004 memset(&priv->vs_ie[i].ie, 0,
2005 MWIFIEX_MAX_VSIE_LEN);
2006 }
2007 }
2008 }
5e6e3a92
BZ		 2009 return 0;
2010}
2011
a5f39056
YAP		 2012static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2013 struct mwifiex_private *priv)
2014{
2015 struct mwifiex_adapter *adapter = priv->adapter;
a5f39056
YAP		 2016
2017 vht_info->vht_supported = true;
2018
43283feb 2019 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
a5f39056
YAP		 2020 /* Update MCS support for VHT */
2021 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2022 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2023 vht_info->vht_mcs.rx_highest = 0;
2024 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2025 adapter->hw_dot_11ac_mcs_support >> 16);
2026 vht_info->vht_mcs.tx_highest = 0;
2027}
2028
5e6e3a92
BZ		 2029/*
2030 * This function sets up the CFG802.11 specific HT capability fields
2031 * with default values.
2032 *
2033 * The following default values are set -
2034 * - HT Supported = True
a46b7b5c
AK		 2035 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2036 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2037 * - HT Capabilities supported by firmware
5e6e3a92
BZ		 2038 * - MCS information, Rx mask = 0xff
2039 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2040 */
2041static void
2042mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2043 struct mwifiex_private *priv)
2044{
2045 int rx_mcs_supp;
2046 struct ieee80211_mcs_info mcs_set;
2047 u8 *mcs = (u8 *)&mcs_set;
2048 struct mwifiex_adapter *adapter = priv->adapter;
2049
2050 ht_info->ht_supported = true;
a46b7b5c
AK		 2051 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2052 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
5e6e3a92
BZ		 2053
2054 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
5e6e3a92 2055
a46b7b5c
AK		 2056 /* Fill HT capability information */
2057 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2058 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2059 else
2060 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2061
2062 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2063 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2064 else
2065 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2066
2067 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2068 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2069 else
2070 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2071
474a41e9
MH		 2072 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2073 ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
a46b7b5c 2074 else
474a41e9 2075 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
a46b7b5c
AK		 2076
2077 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2078 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2079 else
2080 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2081
dd0d83c2
AP		 2082 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2083 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2084 else
2085 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2086
2087 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2088 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2089 else
2090 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2091
2092 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2093 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2094 else
2095 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2096
a46b7b5c
AK		 2097 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2098 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2099
a5333914
AK		 2100 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2101 /* Set MCS for 1x1/2x2 */
5e6e3a92
BZ		 2102 memset(mcs, 0xff, rx_mcs_supp);
2103 /* Clear all the other values */
2104 memset(&mcs[rx_mcs_supp], 0,
aea0701e 2105 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
eecd8250 2106 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
aea0701e 2107 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
5e6e3a92
BZ		 2108 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2109 SETHT_MCS32(mcs_set.rx_mask);
2110
2111 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2112
2113 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2114}
2115
93a1df48
YAP		 2116/*
2117 * create a new virtual interface with the given name
2118 */
84efbb84 2119struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
552bff0c 2120 const char *name,
84efbb84
JB		 2121 enum nl80211_iftype type,
2122 u32 *flags,
2123 struct vif_params *params)
93a1df48 2124{
67fdf39e
AP		 2125 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2126 struct mwifiex_private *priv;
93a1df48
YAP		 2127 struct net_device *dev;
2128 void *mdev_priv;
d6bffe8b 2129 struct wireless_dev *wdev;
93a1df48 2130
93a1df48 2131 if (!adapter)
858faa57 2132 return ERR_PTR(-EFAULT);
93a1df48
YAP		 2133
2134 switch (type) {
2135 case NL80211_IFTYPE_UNSPECIFIED:
2136 case NL80211_IFTYPE_STATION:
2137 case NL80211_IFTYPE_ADHOC:
d6bffe8b 2138 priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
93a1df48 2139 if (priv->bss_mode) {
d6bffe8b
AP		 2140 wiphy_err(wiphy,
2141 "cannot create multiple sta/adhoc ifaces\n");
858faa57 2142 return ERR_PTR(-EINVAL);
93a1df48
YAP		 2143 }
2144
d6bffe8b
AP		 2145 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2146 if (!wdev)
858faa57 2147 return ERR_PTR(-ENOMEM);
d6bffe8b
AP		 2148
2149 wdev->wiphy = wiphy;
2150 priv->wdev = wdev;
2151 wdev->iftype = NL80211_IFTYPE_STATION;
2152
93a1df48
YAP		 2153 if (type == NL80211_IFTYPE_UNSPECIFIED)
2154 priv->bss_mode = NL80211_IFTYPE_STATION;
2155 else
2156 priv->bss_mode = type;
2157
2158 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2159 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
a458c0ae 2160 priv->bss_priority = 0;
93a1df48 2161 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
93a1df48
YAP		 2162 priv->bss_num = 0;
2163
d6bffe8b
AP		 2164 break;
2165 case NL80211_IFTYPE_AP:
2166 priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
2167
2168 if (priv->bss_mode) {
2169 wiphy_err(wiphy, "Can't create multiple AP interfaces");
858faa57 2170 return ERR_PTR(-EINVAL);
d6bffe8b
AP		 2171 }
2172
2173 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2174 if (!wdev)
858faa57 2175 return ERR_PTR(-ENOMEM);
d6bffe8b
AP		 2176
2177 priv->wdev = wdev;
2178 wdev->wiphy = wiphy;
2179 wdev->iftype = NL80211_IFTYPE_AP;
2180
2181 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2182 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
a458c0ae 2183 priv->bss_priority = 0;
d6bffe8b
AP		 2184 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2185 priv->bss_started = 0;
2186 priv->bss_num = 0;
2187 priv->bss_mode = type;
2188
197f4a2e
SP		 2189 break;
2190 case NL80211_IFTYPE_P2P_CLIENT:
2191 priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
2192
2193 if (priv->bss_mode) {
2194 wiphy_err(wiphy, "Can't create multiple P2P ifaces");
2195 return ERR_PTR(-EINVAL);
2196 }
2197
2198 wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
2199 if (!wdev)
2200 return ERR_PTR(-ENOMEM);
2201
2202 priv->wdev = wdev;
2203 wdev->wiphy = wiphy;
2204
2205 /* At start-up, wpa_supplicant tries to change the interface
2206 * to NL80211_IFTYPE_STATION if it is not managed mode.
197f4a2e 2207 */
5586d3e2
PS		 2208 wdev->iftype = NL80211_IFTYPE_P2P_CLIENT;
2209 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
197f4a2e
SP		 2210
2211 /* Setting bss_type to P2P tells firmware that this interface
2212 * is receiving P2P peers found during find phase and doing
2213 * action frame handshake.
2214 */
2215 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2216
2217 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2218 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2219 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2220 priv->bss_started = 0;
2221 priv->bss_num = 0;
2222
bec568ff
AK		 2223 if (mwifiex_cfg80211_init_p2p_client(priv)) {
2224 wdev = ERR_PTR(-EFAULT);
2225 goto done;
2226 }
66aa1ae2 2227
93a1df48
YAP		 2228 break;
2229 default:
2230 wiphy_err(wiphy, "type not supported\n");
858faa57 2231 return ERR_PTR(-EINVAL);
93a1df48
YAP		 2232 }
2233
47411a06
AP		 2234 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
2235 ether_setup, IEEE80211_NUM_ACS, 1);
93a1df48
YAP		 2236 if (!dev) {
2237 wiphy_err(wiphy, "no memory available for netdevice\n");
858faa57 2238 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
bec568ff
AK		 2239 wdev = ERR_PTR(-ENOMEM);
2240 goto done;
93a1df48
YAP		 2241 }
2242
d6bffe8b
AP		 2243 mwifiex_init_priv_params(priv, dev);
2244 priv->netdev = dev;
2245
2246 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
a5f39056
YAP		 2247 if (adapter->is_hw_11ac_capable)
2248 mwifiex_setup_vht_caps(
2249 &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
d6bffe8b
AP		 2250
2251 if (adapter->config_bands & BAND_A)
2252 mwifiex_setup_ht_caps(
2253 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2254
a5f39056
YAP		 2255 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2256 mwifiex_setup_vht_caps(
2257 &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);
2258
93a1df48
YAP		 2259 dev_net_set(dev, wiphy_net(wiphy));
2260 dev->ieee80211_ptr = priv->wdev;
2261 dev->ieee80211_ptr->iftype = priv->bss_mode;
2262 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
93a1df48
YAP		 2263 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2264
2265 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2266 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2267 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
0d7f53e3 2268 dev->ethtool_ops = &mwifiex_ethtool_ops;
93a1df48
YAP		 2269
2270 mdev_priv = netdev_priv(dev);
2271 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2272
93a1df48
YAP		 2273 SET_NETDEV_DEV(dev, adapter->dev);
2274
2275 /* Register network device */
2276 if (register_netdevice(dev)) {
2277 wiphy_err(wiphy, "cannot register virtual network device\n");
858faa57
BZ		 2278 free_netdev(dev);
2279 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
bec568ff
AK		 2280 priv->netdev = NULL;
2281 wdev = ERR_PTR(-EFAULT);
2282 goto done;
93a1df48
YAP		 2283 }
2284
2285 sema_init(&priv->async_sem, 1);
93a1df48
YAP		 2286
2287 dev_dbg(adapter->dev, "info: %s: Marvell 802.11 Adapter\n", dev->name);
2288
2289#ifdef CONFIG_DEBUG_FS
2290 mwifiex_dev_debugfs_init(priv);
2291#endif
bec568ff
AK		 2292
2293done:
2294 if (IS_ERR(wdev)) {
2295 kfree(priv->wdev);
2296 priv->wdev = NULL;
2297 }
2298
84efbb84 2299 return wdev;
93a1df48
YAP		 2300}
2301EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2302
2303/*
2304 * del_virtual_intf: remove the virtual interface determined by dev
2305 */
84efbb84 2306int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
93a1df48 2307{
84efbb84 2308 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
93a1df48
YAP		 2309
2310#ifdef CONFIG_DEBUG_FS
2311 mwifiex_dev_debugfs_remove(priv);
2312#endif
2313
47411a06 2314 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
93a1df48
YAP		 2315
2316 if (netif_carrier_ok(priv->netdev))
2317 netif_carrier_off(priv->netdev);
2318
84efbb84
JB		 2319 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2320 unregister_netdevice(wdev->netdev);
93a1df48 2321
93a1df48 2322 /* Clear the priv in adapter */
98a4635b 2323 priv->netdev->ieee80211_ptr = NULL;
93a1df48 2324 priv->netdev = NULL;
98a4635b
AK		 2325 kfree(wdev);
2326 priv->wdev = NULL;
93a1df48
YAP		 2327
2328 priv->media_connected = false;
2329
93a1df48
YAP		 2330 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2331
2332 return 0;
2333}
2334EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2335
7da060c1 2336static bool
0434c464
AK		 2337mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
2338 u8 max_byte_seq)
7da060c1
AK		 2339{
2340 int j, k, valid_byte_cnt = 0;
2341 bool dont_care_byte = false;
2342
2343 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
2344 for (k = 0; k < 8; k++) {
2345 if (pat->mask[j] & 1 << k) {
2346 memcpy(byte_seq + valid_byte_cnt,
2347 &pat->pattern[j * 8 + k], 1);
2348 valid_byte_cnt++;
2349 if (dont_care_byte)
2350 return false;
2351 } else {
2352 if (valid_byte_cnt)
2353 dont_care_byte = true;
2354 }
2355
0434c464 2356 if (valid_byte_cnt > max_byte_seq)
7da060c1
AK		 2357 return false;
2358 }
2359 }
2360
0434c464 2361 byte_seq[max_byte_seq] = valid_byte_cnt;
7da060c1
AK		 2362
2363 return true;
2364}
2365
d1e2586f 2366#ifdef CONFIG_PM
7da060c1
AK		 2367static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
2368 struct cfg80211_wowlan *wowlan)
2369{
2370 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2371 struct mwifiex_ds_mef_cfg mef_cfg;
2372 struct mwifiex_mef_entry *mef_entry;
2373 int i, filt_num = 0, ret;
2374 bool first_pat = true;
3f4e854a 2375 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
7da060c1
AK		 2376 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2377 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2378 struct mwifiex_private *priv =
2379 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2380
2381 if (!wowlan) {
2382 dev_warn(adapter->dev, "None of the WOWLAN triggers enabled\n");
2383 return 0;
2384 }
2385
2386 if (!priv->media_connected) {
2387 dev_warn(adapter->dev,
2388 "Can not configure WOWLAN in disconnected state\n");
2389 return 0;
2390 }
2391
c678fb2a
BZ		 2392 mef_entry = kzalloc(sizeof(*mef_entry), GFP_KERNEL);
2393 if (!mef_entry)
2394 return -ENOMEM;
2395
7da060c1
AK		 2396 memset(&mef_cfg, 0, sizeof(mef_cfg));
2397 mef_cfg.num_entries = 1;
7da060c1
AK		 2398 mef_cfg.mef_entry = mef_entry;
2399 mef_entry->mode = MEF_MODE_HOST_SLEEP;
2400 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
2401
2402 for (i = 0; i < wowlan->n_patterns; i++) {
2403 memset(byte_seq, 0, sizeof(byte_seq));
2404 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
0434c464
AK		 2405 byte_seq,
2406 MWIFIEX_MEF_MAX_BYTESEQ)) {
7da060c1
AK		 2407 wiphy_err(wiphy, "Pattern not supported\n");
2408 kfree(mef_entry);
2409 return -EOPNOTSUPP;
2410 }
2411
2412 if (!wowlan->patterns[i].pkt_offset) {
2413 if (!(byte_seq[0] & 0x01) &&
3f4e854a 2414 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
7da060c1
AK		 2415 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2416 continue;
2417 } else if (is_broadcast_ether_addr(byte_seq)) {
2418 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST;
2419 continue;
2420 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3f4e854a 2421 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
7da060c1 2422 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3f4e854a 2423 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
7da060c1
AK		 2424 mef_cfg.criteria |= MWIFIEX_CRITERIA_MULTICAST;
2425 continue;
2426 }
2427 }
2428
2429 mef_entry->filter[filt_num].repeat = 1;
2430 mef_entry->filter[filt_num].offset =
2431 wowlan->patterns[i].pkt_offset;
2432 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
2433 sizeof(byte_seq));
2434 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2435
2436 if (first_pat)
2437 first_pat = false;
2438 else
2439 mef_entry->filter[filt_num].filt_action = TYPE_AND;
2440
2441 filt_num++;
2442 }
2443
2444 if (wowlan->magic_pkt) {
2445 mef_cfg.criteria |= MWIFIEX_CRITERIA_UNICAST;
2446 mef_entry->filter[filt_num].repeat = 16;
2447 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
2448 ETH_ALEN);
3f4e854a
AK		 2449 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
2450 ETH_ALEN;
09e65f5b 2451 mef_entry->filter[filt_num].offset = 28;
7da060c1
AK		 2452 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2453 if (filt_num)
2454 mef_entry->filter[filt_num].filt_action = TYPE_OR;
4dbc13fa
ZY		 2455
2456 filt_num++;
2457 mef_entry->filter[filt_num].repeat = 16;
2458 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
2459 ETH_ALEN);
2460 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
2461 ETH_ALEN;
2462 mef_entry->filter[filt_num].offset = 56;
2463 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2464 mef_entry->filter[filt_num].filt_action = TYPE_OR;
7da060c1
AK		 2465 }
2466
2467 if (!mef_cfg.criteria)
2468 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
2469 MWIFIEX_CRITERIA_UNICAST |
2470 MWIFIEX_CRITERIA_MULTICAST;
2471
fa0ecbb9
BZ		 2472 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
2473 HostCmd_ACT_GEN_SET, 0, &mef_cfg, true);
7da060c1
AK		 2474
2475 kfree(mef_entry);
2476 return ret;
2477}
2478
2479static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
2480{
2481 return 0;
2482}
2483
2484static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
2485 bool enabled)
2486{
2487 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2488
2489 device_set_wakeup_enable(adapter->dev, enabled);
2490}
2491#endif
2492
562fc5b3
AK		 2493static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
2494{
2495 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2496 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
2497 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
2498
2499 if ((byte_seq[0] & 0x01) &&
2500 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
2501 return PACKET_TYPE_UNICAST;
2502 else if (!memcmp(byte_seq, bc_mac, 4))
2503 return PACKET_TYPE_BROADCAST;
2504 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
2505 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
2506 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
2507 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
2508 return PACKET_TYPE_MULTICAST;
2509
2510 return 0;
2511}
2512
2513static int
2514mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
2515 struct cfg80211_coalesce_rules *crule,
2516 struct mwifiex_coalesce_rule *mrule)
2517{
2518 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
2519 struct filt_field_param *param;
2520 int i;
2521
2522 mrule->max_coalescing_delay = crule->delay;
2523
2524 param = mrule->params;
2525
2526 for (i = 0; i < crule->n_patterns; i++) {
2527 memset(byte_seq, 0, sizeof(byte_seq));
2528 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
2529 byte_seq,
2530 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
2531 dev_err(priv->adapter->dev, "Pattern not supported\n");
2532 return -EOPNOTSUPP;
2533 }
2534
2535 if (!crule->patterns[i].pkt_offset) {
2536 u8 pkt_type;
2537
2538 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
2539 if (pkt_type && mrule->pkt_type) {
2540 dev_err(priv->adapter->dev,
2541 "Multiple packet types not allowed\n");
2542 return -EOPNOTSUPP;
2543 } else if (pkt_type) {
2544 mrule->pkt_type = pkt_type;
2545 continue;
2546 }
2547 }
2548
2549 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
2550 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
2551 else
2552 param->operation = RECV_FILTER_MATCH_TYPE_NE;
2553
2554 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
2555 memcpy(param->operand_byte_stream, byte_seq,
2556 param->operand_len);
2557 param->offset = crule->patterns[i].pkt_offset;
2558 param++;
2559
2560 mrule->num_of_fields++;
2561 }
2562
2563 if (!mrule->pkt_type) {
2564 dev_err(priv->adapter->dev,
2565 "Packet type can not be determined\n");
2566 return -EOPNOTSUPP;
2567 }
2568
2569 return 0;
2570}
2571
2572static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
2573 struct cfg80211_coalesce *coalesce)
2574{
2575 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2576 int i, ret;
2577 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
2578 struct mwifiex_private *priv =
2579 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
2580
2581 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
2582 if (!coalesce) {
2583 dev_dbg(adapter->dev,
2584 "Disable coalesce and reset all previous rules\n");
fa0ecbb9
BZ		 2585 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
2586 HostCmd_ACT_GEN_SET, 0,
2587 &coalesce_cfg, true);
562fc5b3
AK		 2588 }
2589
2590 coalesce_cfg.num_of_rules = coalesce->n_rules;
2591 for (i = 0; i < coalesce->n_rules; i++) {
2592 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
2593 &coalesce_cfg.rule[i]);
2594 if (ret) {
2595 dev_err(priv->adapter->dev,
2596 "Recheck the patterns provided for rule %d\n",
2597 i + 1);
2598 return ret;
2599 }
2600 }
2601
fa0ecbb9
BZ		 2602 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
2603 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
562fc5b3
AK		 2604}
2605
b23bce29
AP		 2606/* cfg80211 ops handler for tdls_mgmt.
2607 * Function prepares TDLS action frame packets and forwards them to FW
2608 */
2609static int
2610mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 2611 const u8 *peer, u8 action_code, u8 dialog_token,
df942e7b 2612 u16 status_code, u32 peer_capability,
31fa97c5
AN		 2613 bool initiator, const u8 *extra_ies,
2614 size_t extra_ies_len)
b23bce29
AP		 2615{
2616 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2617 int ret;
2618
2619 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
2620 return -ENOTSUPP;
2621
2622 /* make sure we are in station mode and connected */
2623 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
2624 return -ENOTSUPP;
2625
2626 switch (action_code) {
2627 case WLAN_TDLS_SETUP_REQUEST:
2628 dev_dbg(priv->adapter->dev,
2629 "Send TDLS Setup Request to %pM status_code=%d\n", peer,
2630 status_code);
2631 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2632 dialog_token, status_code,
2633 extra_ies, extra_ies_len);
2634 break;
2635 case WLAN_TDLS_SETUP_RESPONSE:
2636 dev_dbg(priv->adapter->dev,
2637 "Send TDLS Setup Response to %pM status_code=%d\n",
2638 peer, status_code);
2639 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2640 dialog_token, status_code,
2641 extra_ies, extra_ies_len);
2642 break;
2643 case WLAN_TDLS_SETUP_CONFIRM:
2644 dev_dbg(priv->adapter->dev,
2645 "Send TDLS Confirm to %pM status_code=%d\n", peer,
2646 status_code);
2647 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2648 dialog_token, status_code,
2649 extra_ies, extra_ies_len);
2650 break;
2651 case WLAN_TDLS_TEARDOWN:
2652 dev_dbg(priv->adapter->dev, "Send TDLS Tear down to %pM\n",
2653 peer);
2654 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2655 dialog_token, status_code,
2656 extra_ies, extra_ies_len);
2657 break;
2658 case WLAN_TDLS_DISCOVERY_REQUEST:
2659 dev_dbg(priv->adapter->dev,
2660 "Send TDLS Discovery Request to %pM\n", peer);
2661 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
2662 dialog_token, status_code,
2663 extra_ies, extra_ies_len);
2664 break;
2665 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
2666 dev_dbg(priv->adapter->dev,
2667 "Send TDLS Discovery Response to %pM\n", peer);
2668 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
2669 dialog_token, status_code,
2670 extra_ies, extra_ies_len);
2671 break;
2672 default:
2673 dev_warn(priv->adapter->dev,
2674 "Unknown TDLS mgmt/action frame %pM\n", peer);
2675 ret = -EINVAL;
2676 break;
2677 }
2678
2679 return ret;
2680}
2681
429d90d2
AP		 2682static int
2683mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 2684 const u8 *peer, enum nl80211_tdls_operation action)
429d90d2
AP		 2685{
2686 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2687
2688 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
2689 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
2690 return -ENOTSUPP;
2691
2692 /* make sure we are in station mode and connected */
2693 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
2694 return -ENOTSUPP;
2695
2696 dev_dbg(priv->adapter->dev,
2697 "TDLS peer=%pM, oper=%d\n", peer, action);
2698
2699 switch (action) {
2700 case NL80211_TDLS_ENABLE_LINK:
2701 action = MWIFIEX_TDLS_ENABLE_LINK;
2702 break;
2703 case NL80211_TDLS_DISABLE_LINK:
2704 action = MWIFIEX_TDLS_DISABLE_LINK;
2705 break;
2706 case NL80211_TDLS_TEARDOWN:
2707 /* shouldn't happen!*/
2708 dev_warn(priv->adapter->dev,
2709 "tdls_oper: teardown from driver not supported\n");
2710 return -EINVAL;
2711 case NL80211_TDLS_SETUP:
2712 /* shouldn't happen!*/
2713 dev_warn(priv->adapter->dev,
2714 "tdls_oper: setup from driver not supported\n");
2715 return -EINVAL;
2716 case NL80211_TDLS_DISCOVERY_REQ:
2717 /* shouldn't happen!*/
2718 dev_warn(priv->adapter->dev,
2719 "tdls_oper: discovery from driver not supported\n");
2720 return -EINVAL;
2721 default:
2722 dev_err(priv->adapter->dev,
2723 "tdls_oper: operation not supported\n");
2724 return -ENOTSUPP;
2725 }
2726
2727 return mwifiex_tdls_oper(priv, peer, action);
2728}
2729
e48e0de0 2730static int
3b3a0162
JB		 2731mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
2732 const u8 *mac, struct station_parameters *params)
e48e0de0
AP		 2733{
2734 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2735
2736 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2737 return -ENOTSUPP;
2738
2739 /* make sure we are in station mode and connected */
2740 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
2741 return -ENOTSUPP;
2742
2743 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
2744}
2745
1f4dfd8a 2746static int
3b3a0162
JB		 2747mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
2748 const u8 *mac,
2749 struct station_parameters *params)
1f4dfd8a
AP		 2750{
2751 int ret;
2752 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
2753
2754 /* we support change_station handler only for TDLS peers*/
2755 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
2756 return -ENOTSUPP;
2757
2758 /* make sure we are in station mode and connected */
2759 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
2760 return -ENOTSUPP;
2761
2762 priv->sta_params = params;
2763
2764 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
2765 priv->sta_params = NULL;
2766
2767 return ret;
2768}
2769
5e6e3a92
BZ		 2770/* station cfg80211 operations */
2771static struct cfg80211_ops mwifiex_cfg80211_ops = {
93a1df48
YAP		 2772 .add_virtual_intf = mwifiex_add_virtual_intf,
2773 .del_virtual_intf = mwifiex_del_virtual_intf,
5e6e3a92
BZ		 2774 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
2775 .scan = mwifiex_cfg80211_scan,
2776 .connect = mwifiex_cfg80211_connect,
2777 .disconnect = mwifiex_cfg80211_disconnect,
2778 .get_station = mwifiex_cfg80211_get_station,
f85aae6b 2779 .dump_station = mwifiex_cfg80211_dump_station,
5e6e3a92 2780 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
5e6e3a92
BZ		 2781 .join_ibss = mwifiex_cfg80211_join_ibss,
2782 .leave_ibss = mwifiex_cfg80211_leave_ibss,
2783 .add_key = mwifiex_cfg80211_add_key,
2784 .del_key = mwifiex_cfg80211_del_key,
e39faa73 2785 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
3cec6870 2786 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
7feb4c48
SP		 2787 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
2788 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
5e6e3a92
BZ		 2789 .set_default_key = mwifiex_cfg80211_set_default_key,
2790 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
2791 .set_tx_power = mwifiex_cfg80211_set_tx_power,
5d82c53a 2792 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
12190c5d
AP		 2793 .start_ap = mwifiex_cfg80211_start_ap,
2794 .stop_ap = mwifiex_cfg80211_stop_ap,
5370c836 2795 .change_beacon = mwifiex_cfg80211_change_beacon,
fa444bf8 2796 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
8a279d5b 2797 .set_antenna = mwifiex_cfg80211_set_antenna,
0f9e9b8b 2798 .del_station = mwifiex_cfg80211_del_station,
7da060c1
AK		 2799#ifdef CONFIG_PM
2800 .suspend = mwifiex_cfg80211_suspend,
2801 .resume = mwifiex_cfg80211_resume,
2802 .set_wakeup = mwifiex_cfg80211_set_wakeup,
2803#endif
d1e2586f 2804 .set_coalesce = mwifiex_cfg80211_set_coalesce,
b23bce29 2805 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
429d90d2 2806 .tdls_oper = mwifiex_cfg80211_tdls_oper,
e48e0de0 2807 .add_station = mwifiex_cfg80211_add_station,
1f4dfd8a 2808 .change_station = mwifiex_cfg80211_change_station,
5e6e3a92
BZ		 2809};
2810
964dc9e2
JB		 2811#ifdef CONFIG_PM
2812static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
2813 .flags = WIPHY_WOWLAN_MAGIC_PKT,
3f4e854a 2814 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
964dc9e2
JB		 2815 .pattern_min_len = 1,
2816 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
2817 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
2818};
2819#endif
2820
3c68ef5b
AP		 2821static bool mwifiex_is_valid_alpha2(const char *alpha2)
2822{
2823 if (!alpha2 || strlen(alpha2) != 2)
2824 return false;
2825
2826 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
2827 return true;
2828
2829 return false;
2830}
2831
562fc5b3
AK		 2832static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
2833 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
2834 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
2835 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
2836 .pattern_min_len = 1,
2837 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
2838 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
2839};
2840
5e6e3a92
BZ		 2841/*
2842 * This function registers the device with CFG802.11 subsystem.
2843 *
2844 * The function creates the wireless device/wiphy, populates it with
2845 * default parameters and handler function pointers, and finally
2846 * registers the device.
2847 */
d6bffe8b
AP		 2848
2849int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
5e6e3a92 2850{
270e58e8
YAP		 2851 int ret;
2852 void *wdev_priv;
d6bffe8b
AP		 2853 struct wiphy *wiphy;
2854 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
9e04a7c6 2855 u8 *country_code;
f862bfd1 2856 u32 thr, retry;
5e6e3a92 2857
d6bffe8b
AP		 2858 /* create a new wiphy for use with cfg80211 */
2859 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
2860 sizeof(struct mwifiex_adapter *));
2861 if (!wiphy) {
2862 dev_err(adapter->dev, "%s: creating new wiphy\n", __func__);
5e6e3a92
BZ		 2863 return -ENOMEM;
2864 }
d6bffe8b
AP		 2865 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
2866 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
83719be8 2867 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
7feb4c48 2868 wiphy->max_remain_on_channel_duration = 5000;
d6bffe8b
AP		 2869 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
2870 BIT(NL80211_IFTYPE_ADHOC) |
197f4a2e
SP		 2871 BIT(NL80211_IFTYPE_P2P_CLIENT) |
2872 BIT(NL80211_IFTYPE_P2P_GO) |
d6bffe8b
AP		 2873 BIT(NL80211_IFTYPE_AP);
2874
2875 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
2876 if (adapter->config_bands & BAND_A)
2877 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
2878 else
2879 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
5e6e3a92 2880
cd8440da
AP		 2881 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
2882 wiphy->n_iface_combinations = 1;
2883
5e6e3a92 2884 /* Initialize cipher suits */
d6bffe8b
AP		 2885 wiphy->cipher_suites = mwifiex_cipher_suites;
2886 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
5e6e3a92 2887
d6bffe8b
AP		 2888 memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
2889 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2dd2bd6b 2890 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
cc0ba0d5 2891 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
54428c57 2892 WIPHY_FLAG_AP_UAPSD |
7feb4c48 2893 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
b23bce29
AP		 2894
2895 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
2896 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
2897 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
2898
7da060c1 2899#ifdef CONFIG_PM
964dc9e2 2900 wiphy->wowlan = &mwifiex_wowlan_support;
7da060c1
AK		 2901#endif
2902
562fc5b3
AK		 2903 wiphy->coalesce = &mwifiex_coalesce_support;
2904
2dd2bd6b 2905 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
e39faa73
SP		 2906 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
2907 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
5e6e3a92 2908
8a279d5b
AK		 2909 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
2910 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
5e6e3a92 2911
b292219f 2912 wiphy->features |= NL80211_FEATURE_HT_IBSS |
e45a8419 2913 NL80211_FEATURE_INACTIVITY_TIMER |
e3c91683
AK		 2914 NL80211_FEATURE_LOW_PRIORITY_SCAN |
2915 NL80211_FEATURE_NEED_OBSS_SCAN;
05910f4a 2916
b5abcf02 2917 /* Reserve space for mwifiex specific private data for BSS */
d6bffe8b 2918 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
5116f3ce 2919
d6bffe8b 2920 wiphy->reg_notifier = mwifiex_reg_notifier;
5e6e3a92 2921
67fdf39e 2922 /* Set struct mwifiex_adapter pointer in wiphy_priv */
d6bffe8b 2923 wdev_priv = wiphy_priv(wiphy);
67fdf39e 2924 *(unsigned long *)wdev_priv = (unsigned long)adapter;
5e6e3a92 2925
2c208890 2926 set_wiphy_dev(wiphy, priv->adapter->dev);
a7b21165 2927
d6bffe8b 2928 ret = wiphy_register(wiphy);
5e6e3a92 2929 if (ret < 0) {
d6bffe8b
AP		 2930 dev_err(adapter->dev,
2931 "%s: wiphy_register failed: %d\n", __func__, ret);
2932 wiphy_free(wiphy);
5e6e3a92 2933 return ret;
5e6e3a92 2934 }
3c68ef5b
AP		 2935
2936 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
2937 wiphy_info(wiphy, "driver hint alpha2: %2.2s\n", reg_alpha2);
2938 regulatory_hint(wiphy, reg_alpha2);
2939 } else {
2940 country_code = mwifiex_11d_code_2_region(adapter->region_code);
2941 if (country_code)
2942 wiphy_info(wiphy, "ignoring F/W country code %2.2s\n",
2943 country_code);
2944 }
5e6e3a92 2945
fa0ecbb9
BZ		 2946 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2947 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
f862bfd1 2948 wiphy->frag_threshold = thr;
fa0ecbb9
BZ		 2949 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2950 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
f862bfd1 2951 wiphy->rts_threshold = thr;
fa0ecbb9
BZ		 2952 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2953 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
f862bfd1 2954 wiphy->retry_short = (u8) retry;
fa0ecbb9
BZ		 2955 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
2956 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
f862bfd1
UR		 2957 wiphy->retry_long = (u8) retry;
2958
d6bffe8b 2959 adapter->wiphy = wiphy;
5e6e3a92
BZ		 2960 return ret;
2961}
Linux kernel - Deliverables
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