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mwifiex: fix driver init failure under memory pressure
[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"
b0497597 22#include "11n.h"
5e6e3a92 23
3c68ef5b
AP		 24static char *reg_alpha2;
25module_param(reg_alpha2, charp, 0);
26
cd8440da
AP		 27static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = {
28 {
a4df8f56
AP		 29 .max = 2, .types = BIT(NL80211_IFTYPE_STATION) |
30 BIT(NL80211_IFTYPE_P2P_GO) |
31 BIT(NL80211_IFTYPE_P2P_CLIENT),
cd8440da
AP		 32 },
33 {
34 .max = 1, .types = BIT(NL80211_IFTYPE_AP),
35 },
36};
37
cc7359b5
AP		 38static const struct ieee80211_iface_combination
39mwifiex_iface_comb_ap_sta = {
cd8440da
AP		 40 .limits = mwifiex_ap_sta_limits,
41 .num_different_channels = 1,
42 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
43 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
44 .beacon_int_infra_match = true,
cc7359b5
AP		 45 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
46 BIT(NL80211_CHAN_WIDTH_20) |
47 BIT(NL80211_CHAN_WIDTH_40),
48};
49
50static const struct ieee80211_iface_combination
51mwifiex_iface_comb_ap_sta_vht = {
52 .limits = mwifiex_ap_sta_limits,
53 .num_different_channels = 1,
54 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
55 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
56 .beacon_int_infra_match = true,
57 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
58 BIT(NL80211_CHAN_WIDTH_20) |
59 BIT(NL80211_CHAN_WIDTH_40) |
60 BIT(NL80211_CHAN_WIDTH_80),
cd8440da
AP		 61};
62
de9e9932 63static const struct
cc7359b5 64ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = {
de9e9932
AP		 65 .limits = mwifiex_ap_sta_limits,
66 .num_different_channels = 2,
67 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits),
68 .max_interfaces = MWIFIEX_MAX_BSS_NUM,
69 .beacon_int_infra_match = true,
70};
71
5e6e3a92
BZ		 72/*
73 * This function maps the nl802.11 channel type into driver channel type.
74 *
75 * The mapping is as follows -
21c3ba34
AK		 76 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE
77 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
78 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
79 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
80 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
5e6e3a92 81 */
7feb4c48 82u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
5e6e3a92 83{
05910f4a 84 switch (chan_type) {
5e6e3a92
BZ		 85 case NL80211_CHAN_NO_HT:
86 case NL80211_CHAN_HT20:
21c3ba34 87 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
5e6e3a92 88 case NL80211_CHAN_HT40PLUS:
21c3ba34 89 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
5e6e3a92 90 case NL80211_CHAN_HT40MINUS:
21c3ba34 91 return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
5e6e3a92 92 default:
21c3ba34 93 return IEEE80211_HT_PARAM_CHA_SEC_NONE;
5e6e3a92 94 }
5e6e3a92
BZ		 95}
96
7ee38bf4
XH		 97/* This function maps IEEE HT secondary channel type to NL80211 channel type
98 */
99u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset)
100{
101 switch (second_chan_offset) {
102 case IEEE80211_HT_PARAM_CHA_SEC_NONE:
103 return NL80211_CHAN_HT20;
104 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
105 return NL80211_CHAN_HT40PLUS;
106 case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
107 return NL80211_CHAN_HT40MINUS;
108 default:
109 return NL80211_CHAN_HT20;
110 }
111}
112
5e6e3a92
BZ		 113/*
114 * This function checks whether WEP is set.
115 */
116static int
117mwifiex_is_alg_wep(u32 cipher)
118{
5e6e3a92 119 switch (cipher) {
2be50b8d
YAP		 120 case WLAN_CIPHER_SUITE_WEP40:
121 case WLAN_CIPHER_SUITE_WEP104:
270e58e8 122 return 1;
5e6e3a92 123 default:
5e6e3a92
BZ		 124 break;
125 }
270e58e8
YAP		 126
127 return 0;
5e6e3a92
BZ		 128}
129
5e6e3a92
BZ		 130/*
131 * This function retrieves the private structure from kernel wiphy structure.
132 */
67fdf39e 133static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy)
5e6e3a92
BZ		 134{
135 return (void *) (*(unsigned long *) wiphy_priv(wiphy));
136}
137
138/*
139 * CFG802.11 operation handler to delete a network key.
140 */
141static int
142mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
143 u8 key_index, bool pairwise, const u8 *mac_addr)
144{
f540f9f3 145 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
75edd2c6
AP		 146 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
147 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 148
53b11231 149 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) {
acebe8c1 150 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n");
5e6e3a92
BZ		 151 return -EFAULT;
152 }
153
acebe8c1 154 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n");
5e6e3a92
BZ		 155 return 0;
156}
157
e39faa73
SP		 158/*
159 * This function forms an skb for management frame.
160 */
161static int
162mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len)
163{
164 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
165 u16 pkt_len;
166 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT;
e39faa73
SP		 167
168 pkt_len = len + ETH_ALEN;
169
170 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN +
171 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len));
172 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len));
173
174 memcpy(skb_push(skb, sizeof(tx_control)),
175 &tx_control, sizeof(tx_control));
176
177 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type));
178
179 /* Add packet data and address4 */
180 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf,
181 sizeof(struct ieee80211_hdr_3addr));
182 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN);
183 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)),
184 buf + sizeof(struct ieee80211_hdr_3addr),
185 len - sizeof(struct ieee80211_hdr_3addr));
186
187 skb->priority = LOW_PRIO_TID;
c64800e7 188 __net_timestamp(skb);
e39faa73
SP		 189
190 return 0;
191}
192
193/*
194 * CFG802.11 operation handler to transmit a management frame.
195 */
196static int
197mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
b176e629 198 struct cfg80211_mgmt_tx_params *params, u64 *cookie)
e39faa73 199{
b176e629
AO		 200 const u8 *buf = params->buf;
201 size_t len = params->len;
e39faa73
SP		 202 struct sk_buff *skb;
203 u16 pkt_len;
204 const struct ieee80211_mgmt *mgmt;
231d83e2 205 struct mwifiex_txinfo *tx_info;
e39faa73
SP		 206 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
207
208 if (!buf || !len) {
acebe8c1 209 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n");
e39faa73
SP		 210 return -EFAULT;
211 }
212
213 mgmt = (const struct ieee80211_mgmt *)buf;
214 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA &&
215 ieee80211_is_probe_resp(mgmt->frame_control)) {
216 /* Since we support offload probe resp, we need to skip probe
217 * resp in AP or GO mode */
acebe8c1
ZL		 218 mwifiex_dbg(priv->adapter, INFO,
219 "info: skip to send probe resp in AP or GO mode\n");
e39faa73
SP		 220 return 0;
221 }
222
223 pkt_len = len + ETH_ALEN;
224 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN +
225 MWIFIEX_MGMT_FRAME_HEADER_SIZE +
226 pkt_len + sizeof(pkt_len));
227
228 if (!skb) {
acebe8c1
ZL		 229 mwifiex_dbg(priv->adapter, ERROR,
230 "allocate skb failed for management frame\n");
e39faa73
SP		 231 return -ENOMEM;
232 }
233
231d83e2 234 tx_info = MWIFIEX_SKB_TXCB(skb);
701a9e61 235 memset(tx_info, 0, sizeof(*tx_info));
231d83e2
HY		 236 tx_info->bss_num = priv->bss_num;
237 tx_info->bss_type = priv->bss_type;
a1ed4849 238 tx_info->pkt_len = pkt_len;
231d83e2 239
e39faa73 240 mwifiex_form_mgmt_frame(skb, buf, len);
e00adf39 241 *cookie = prandom_u32() | 1;
18ca4382
AK		 242
243 if (ieee80211_is_action(mgmt->frame_control))
244 skb = mwifiex_clone_skb_for_tx_status(priv,
245 skb,
246 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie);
247 else
248 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
249 GFP_ATOMIC);
250
251 mwifiex_queue_tx_pkt(priv, skb);
e39faa73 252
acebe8c1 253 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n");
e39faa73
SP		 254 return 0;
255}
256
3cec6870
SP		 257/*
258 * CFG802.11 operation handler to register a mgmt frame.
259 */
260static void
261mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
262 struct wireless_dev *wdev,
263 u16 frame_type, bool reg)
264{
265 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
4481b2db 266 u32 mask;
3cec6870
SP		 267
268 if (reg)
4481b2db 269 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
3cec6870 270 else
4481b2db
SP		 271 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
272
273 if (mask != priv->mgmt_frame_mask) {
274 priv->mgmt_frame_mask = mask;
fa0ecbb9
BZ		 275 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
276 HostCmd_ACT_GEN_SET, 0,
277 &priv->mgmt_frame_mask, false);
acebe8c1 278 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n");
4481b2db 279 }
3cec6870
SP		 280}
281
7feb4c48
SP		 282/*
283 * CFG802.11 operation handler to remain on channel.
284 */
285static int
286mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
287 struct wireless_dev *wdev,
288 struct ieee80211_channel *chan,
7feb4c48
SP		 289 unsigned int duration, u64 *cookie)
290{
291 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
292 int ret;
293
294 if (!chan || !cookie) {
acebe8c1 295 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n");
7feb4c48
SP		 296 return -EINVAL;
297 }
298
299 if (priv->roc_cfg.cookie) {
acebe8c1
ZL		 300 mwifiex_dbg(priv->adapter, INFO,
301 "info: ongoing ROC, cookie = 0x%llx\n",
302 priv->roc_cfg.cookie);
7feb4c48
SP		 303 return -EBUSY;
304 }
305
306 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
42d97a59 307 duration);
7feb4c48
SP		 308
309 if (!ret) {
e00adf39 310 *cookie = prandom_u32() | 1;
7feb4c48
SP		 311 priv->roc_cfg.cookie = *cookie;
312 priv->roc_cfg.chan = *chan;
7feb4c48 313
42d97a59 314 cfg80211_ready_on_channel(wdev, *cookie, chan,
7feb4c48
SP		 315 duration, GFP_ATOMIC);
316
acebe8c1
ZL		 317 mwifiex_dbg(priv->adapter, INFO,
318 "info: ROC, cookie = 0x%llx\n", *cookie);
7feb4c48
SP		 319 }
320
321 return ret;
322}
323
324/*
325 * CFG802.11 operation handler to cancel remain on channel.
326 */
327static int
328mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
329 struct wireless_dev *wdev, u64 cookie)
330{
331 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
332 int ret;
333
334 if (cookie != priv->roc_cfg.cookie)
335 return -ENOENT;
336
337 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
42d97a59 338 &priv->roc_cfg.chan, 0);
7feb4c48
SP		 339
340 if (!ret) {
341 cfg80211_remain_on_channel_expired(wdev, cookie,
342 &priv->roc_cfg.chan,
7feb4c48
SP		 343 GFP_ATOMIC);
344
345 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
346
acebe8c1
ZL		 347 mwifiex_dbg(priv->adapter, INFO,
348 "info: cancel ROC, cookie = 0x%llx\n", cookie);
7feb4c48
SP		 349 }
350
351 return ret;
352}
353
5e6e3a92
BZ		 354/*
355 * CFG802.11 operation handler to set Tx power.
356 */
357static int
358mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
c8442118 359 struct wireless_dev *wdev,
5e6e3a92 360 enum nl80211_tx_power_setting type,
742c29fd 361 int mbm)
5e6e3a92 362{
67fdf39e
AP		 363 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
364 struct mwifiex_private *priv;
600f5d90 365 struct mwifiex_power_cfg power_cfg;
742c29fd 366 int dbm = MBM_TO_DBM(mbm);
5e6e3a92 367
600f5d90
AK		 368 if (type == NL80211_TX_POWER_FIXED) {
369 power_cfg.is_power_auto = 0;
370 power_cfg.power_level = dbm;
371 } else {
372 power_cfg.is_power_auto = 1;
373 }
374
67fdf39e
AP		 375 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
376
636c4598 377 return mwifiex_set_tx_power(priv, &power_cfg);
5e6e3a92
BZ		 378}
379
380/*
381 * CFG802.11 operation handler to set Power Save option.
382 *
383 * The timeout value, if provided, is currently ignored.
384 */
385static int
386mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy,
387 struct net_device *dev,
388 bool enabled, int timeout)
389{
f540f9f3 390 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
600f5d90 391 u32 ps_mode;
5e6e3a92
BZ		 392
393 if (timeout)
acebe8c1
ZL		 394 mwifiex_dbg(priv->adapter, INFO,
395 "info: ignore timeout value for IEEE Power Save\n");
5e6e3a92 396
600f5d90 397 ps_mode = enabled;
5e6e3a92 398
636c4598 399 return mwifiex_drv_set_power(priv, &ps_mode);
5e6e3a92
BZ		 400}
401
402/*
403 * CFG802.11 operation handler to set the default network key.
404 */
405static int
406mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
407 u8 key_index, bool unicast,
408 bool multicast)
409{
f540f9f3 410 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
5e6e3a92 411
2d3d0a88 412 /* Return if WEP key not configured */
5eb02e44 413 if (!priv->sec_info.wep_enabled)
2d3d0a88
AK		 414 return 0;
415
96893538
AP		 416 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) {
417 priv->wep_key_curr_index = key_index;
53b11231
YL		 418 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index,
419 NULL, 0)) {
acebe8c1 420 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n");
5e6e3a92 421 return -EFAULT;
636c4598 422 }
5e6e3a92
BZ		 423
424 return 0;
425}
426
427/*
428 * CFG802.11 operation handler to add a network key.
429 */
430static int
431mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev,
432 u8 key_index, bool pairwise, const u8 *mac_addr,
433 struct key_params *params)
434{
f540f9f3 435 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev);
96893538 436 struct mwifiex_wep_key *wep_key;
75edd2c6
AP		 437 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
438 const u8 *peer_mac = pairwise ? mac_addr : bc_mac;
5e6e3a92 439
96893538
AP		 440 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
441 (params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
442 params->cipher == WLAN_CIPHER_SUITE_WEP104)) {
443 if (params->key && params->key_len) {
444 wep_key = &priv->wep_key[key_index];
445 memset(wep_key, 0, sizeof(struct mwifiex_wep_key));
446 memcpy(wep_key->key_material, params->key,
447 params->key_len);
448 wep_key->key_index = key_index;
449 wep_key->key_length = params->key_len;
450 priv->sec_info.wep_enabled = 1;
451 }
452 return 0;
453 }
454
53b11231 455 if (mwifiex_set_encode(priv, params, params->key, params->key_len,
75edd2c6 456 key_index, peer_mac, 0)) {
acebe8c1 457 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n");
5e6e3a92 458 return -EFAULT;
636c4598 459 }
5e6e3a92
BZ		 460
461 return 0;
462}
463
464/*
465 * This function sends domain information to the firmware.
466 *
467 * The following information are passed to the firmware -
468 * - Country codes
469 * - Sub bands (first channel, number of channels, maximum Tx power)
470 */
65d48e59 471int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy)
5e6e3a92
BZ		 472{
473 u8 no_of_triplet = 0;
474 struct ieee80211_country_ie_triplet *t;
475 u8 no_of_parsed_chan = 0;
476 u8 first_chan = 0, next_chan = 0, max_pwr = 0;
477 u8 i, flag = 0;
478 enum ieee80211_band band;
479 struct ieee80211_supported_band *sband;
480 struct ieee80211_channel *ch;
67fdf39e
AP		 481 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
482 struct mwifiex_private *priv;
5e6e3a92 483 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg;
5e6e3a92
BZ		 484
485 /* Set country code */
67fdf39e
AP		 486 domain_info->country_code[0] = adapter->country_code[0];
487 domain_info->country_code[1] = adapter->country_code[1];
5e6e3a92
BZ		 488 domain_info->country_code[2] = ' ';
489
490 band = mwifiex_band_to_radio_type(adapter->config_bands);
491 if (!wiphy->bands[band]) {
acebe8c1
ZL		 492 mwifiex_dbg(adapter, ERROR,
493 "11D: setting domain info in FW\n");
5e6e3a92
BZ		 494 return -1;
495 }
496
497 sband = wiphy->bands[band];
498
499 for (i = 0; i < sband->n_channels ; i++) {
500 ch = &sband->channels[i];
501 if (ch->flags & IEEE80211_CHAN_DISABLED)
502 continue;
503
504 if (!flag) {
505 flag = 1;
506 first_chan = (u32) ch->hw_value;
507 next_chan = first_chan;
22db2497 508 max_pwr = ch->max_power;
5e6e3a92
BZ		 509 no_of_parsed_chan = 1;
510 continue;
511 }
512
513 if (ch->hw_value == next_chan + 1 &&
22db2497 514 ch->max_power == max_pwr) {
5e6e3a92
BZ		 515 next_chan++;
516 no_of_parsed_chan++;
517 } else {
518 t = &domain_info->triplet[no_of_triplet];
519 t->chans.first_channel = first_chan;
520 t->chans.num_channels = no_of_parsed_chan;
521 t->chans.max_power = max_pwr;
522 no_of_triplet++;
523 first_chan = (u32) ch->hw_value;
524 next_chan = first_chan;
22db2497 525 max_pwr = ch->max_power;
5e6e3a92
BZ		 526 no_of_parsed_chan = 1;
527 }
528 }
529
530 if (flag) {
531 t = &domain_info->triplet[no_of_triplet];
532 t->chans.first_channel = first_chan;
533 t->chans.num_channels = no_of_parsed_chan;
534 t->chans.max_power = max_pwr;
535 no_of_triplet++;
536 }
537
538 domain_info->no_of_triplet = no_of_triplet;
636c4598 539
67fdf39e
AP		 540 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
541
fa0ecbb9
BZ		 542 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
543 HostCmd_ACT_GEN_SET, 0, NULL, false)) {
acebe8c1
ZL		 544 mwifiex_dbg(adapter, INFO,
545 "11D: setting domain info in FW\n");
636c4598
YAP		 546 return -1;
547 }
5e6e3a92 548
636c4598 549 return 0;
5e6e3a92
BZ		 550}
551
552/*
553 * CFG802.11 regulatory domain callback function.
554 *
555 * This function is called when the regulatory domain is changed due to the
556 * following reasons -
557 * - Set by driver
558 * - Set by system core
559 * - Set by user
560 * - Set bt Country IE
561 */
0c0280bd
LR		 562static void mwifiex_reg_notifier(struct wiphy *wiphy,
563 struct regulatory_request *request)
5e6e3a92 564{
67fdf39e 565 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
82efa16a
BZ		 566 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
567 MWIFIEX_BSS_ROLE_ANY);
acebe8c1
ZL		 568 mwifiex_dbg(adapter, INFO,
569 "info: cfg80211 regulatory domain callback for %c%c\n",
570 request->alpha2[0], request->alpha2[1]);
5e6e3a92 571
5e6e3a92
BZ		 572 switch (request->initiator) {
573 case NL80211_REGDOM_SET_BY_DRIVER:
574 case NL80211_REGDOM_SET_BY_CORE:
575 case NL80211_REGDOM_SET_BY_USER:
5e6e3a92
BZ		 576 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
577 break;
dd4a9ac0 578 default:
acebe8c1
ZL		 579 mwifiex_dbg(adapter, ERROR,
580 "unknown regdom initiator: %d\n",
581 request->initiator);
dd4a9ac0
BZ		 582 return;
583 }
584
585 /* Don't send world or same regdom info to firmware */
586 if (strncmp(request->alpha2, "00", 2) &&
587 strncmp(request->alpha2, adapter->country_code,
588 sizeof(request->alpha2))) {
589 memcpy(adapter->country_code, request->alpha2,
590 sizeof(request->alpha2));
591 mwifiex_send_domain_info_cmd_fw(wiphy);
b58df446 592 mwifiex_dnld_txpwr_table(priv);
5e6e3a92 593 }
5e6e3a92
BZ		 594}
595
5e6e3a92
BZ		 596/*
597 * This function sets the fragmentation threshold.
598 *
600f5d90 599 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE
5e6e3a92
BZ		 600 * and MWIFIEX_FRAG_MAX_VALUE.
601 */
602static int
603mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr)
604{
aea0701e
YAP		 605 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE ||
606 frag_thr > MWIFIEX_FRAG_MAX_VALUE)
9b930eae 607 frag_thr = MWIFIEX_FRAG_MAX_VALUE;
5e6e3a92 608
fa0ecbb9
BZ		 609 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
610 HostCmd_ACT_GEN_SET, FRAG_THRESH_I,
611 &frag_thr, true);
5e6e3a92
BZ		 612}
613
614/*
615 * This function sets the RTS threshold.
600f5d90
AK		 616
617 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE
618 * and MWIFIEX_RTS_MAX_VALUE.
5e6e3a92
BZ		 619 */
620static int
621mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr)
622{
5e6e3a92
BZ		 623 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE)
624 rts_thr = MWIFIEX_RTS_MAX_VALUE;
625
fa0ecbb9
BZ		 626 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
627 HostCmd_ACT_GEN_SET, RTS_THRESH_I,
628 &rts_thr, true);
5e6e3a92
BZ		 629}
630
631/*
632 * CFG802.11 operation handler to set wiphy parameters.
633 *
634 * This function can be used to set the RTS threshold and the
635 * Fragmentation threshold of the driver.
636 */
637static int
638mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
639{
67fdf39e 640 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
9b930eae
AP		 641 struct mwifiex_private *priv;
642 struct mwifiex_uap_bss_param *bss_cfg;
09f63ae6
AP		 643 int ret;
644
645 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
9b930eae 646
09f63ae6
AP		 647 switch (priv->bss_role) {
648 case MWIFIEX_BSS_ROLE_UAP:
649 if (priv->bss_started) {
acebe8c1
ZL		 650 mwifiex_dbg(adapter, ERROR,
651 "cannot change wiphy params when bss started");
09f63ae6
AP		 652 return -EINVAL;
653 }
5e6e3a92 654
09f63ae6
AP		 655 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL);
656 if (!bss_cfg)
657 return -ENOMEM;
9b930eae 658
09f63ae6 659 mwifiex_set_sys_config_invalid_data(bss_cfg);
5e6e3a92 660
09f63ae6
AP		 661 if (changed & WIPHY_PARAM_RTS_THRESHOLD)
662 bss_cfg->rts_threshold = wiphy->rts_threshold;
663 if (changed & WIPHY_PARAM_FRAG_THRESHOLD)
664 bss_cfg->frag_threshold = wiphy->frag_threshold;
665 if (changed & WIPHY_PARAM_RETRY_LONG)
666 bss_cfg->retry_limit = wiphy->retry_long;
9b930eae 667
09f63ae6
AP		 668 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG,
669 HostCmd_ACT_GEN_SET,
670 UAP_BSS_PARAMS_I, bss_cfg,
671 false);
672
673 kfree(bss_cfg);
674 if (ret) {
acebe8c1
ZL		 675 mwifiex_dbg(adapter, ERROR,
676 "Failed to set wiphy phy params\n");
09f63ae6
AP		 677 return ret;
678 }
679 break;
9b930eae 680
9b930eae 681 case MWIFIEX_BSS_ROLE_STA:
09f63ae6 682 if (priv->media_connected) {
acebe8c1
ZL		 683 mwifiex_dbg(adapter, ERROR,
684 "cannot change wiphy params when connected");
09f63ae6
AP		 685 return -EINVAL;
686 }
687 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
688 ret = mwifiex_set_rts(priv,
689 wiphy->rts_threshold);
690 if (ret)
691 return ret;
9b930eae 692 }
09f63ae6
AP		 693 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
694 ret = mwifiex_set_frag(priv,
695 wiphy->frag_threshold);
696 if (ret)
697 return ret;
698 }
699 break;
9b930eae
AP		 700 }
701
702 return 0;
5e6e3a92
BZ		 703}
704
e1a2b7a3
SP		 705static int
706mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
707{
708 u16 mode = P2P_MODE_DISABLE;
709
fa0ecbb9
BZ		 710 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
711 HostCmd_ACT_GEN_SET, 0, &mode, true))
e1a2b7a3
SP		 712 return -1;
713
714 return 0;
715}
716
717/*
718 * This function initializes the functionalities for P2P client.
719 * The P2P client initialization sequence is:
720 * disable -> device -> client
721 */
722static int
723mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
724{
725 u16 mode;
726
727 if (mwifiex_cfg80211_deinit_p2p(priv))
728 return -1;
729
730 mode = P2P_MODE_DEVICE;
fa0ecbb9
BZ		 731 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
732 HostCmd_ACT_GEN_SET, 0, &mode, true))
e1a2b7a3
SP		 733 return -1;
734
735 mode = P2P_MODE_CLIENT;
fa0ecbb9
BZ		 736 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
737 HostCmd_ACT_GEN_SET, 0, &mode, true))
e1a2b7a3
SP		 738 return -1;
739
740 return 0;
741}
742
9197ab9e
SP		 743/*
744 * This function initializes the functionalities for P2P GO.
745 * The P2P GO initialization sequence is:
746 * disable -> device -> GO
747 */
748static int
749mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
750{
751 u16 mode;
752
753 if (mwifiex_cfg80211_deinit_p2p(priv))
754 return -1;
755
756 mode = P2P_MODE_DEVICE;
fa0ecbb9
BZ		 757 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
758 HostCmd_ACT_GEN_SET, 0, &mode, true))
9197ab9e
SP		 759 return -1;
760
761 mode = P2P_MODE_GO;
fa0ecbb9
BZ		 762 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG,
763 HostCmd_ACT_GEN_SET, 0, &mode, true))
9197ab9e
SP		 764 return -1;
765
047eaaf6
AP		 766 return 0;
767}
768
769static int mwifiex_deinit_priv_params(struct mwifiex_private *priv)
770{
a9adbcb3
AP		 771 struct mwifiex_adapter *adapter = priv->adapter;
772 unsigned long flags;
773
047eaaf6
AP		 774 priv->mgmt_frame_mask = 0;
775 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG,
776 HostCmd_ACT_GEN_SET, 0,
777 &priv->mgmt_frame_mask, false)) {
acebe8c1
ZL		 778 mwifiex_dbg(adapter, ERROR,
779 "could not unregister mgmt frame rx\n");
047eaaf6
AP		 780 return -1;
781 }
782
783 mwifiex_deauthenticate(priv, NULL);
a9adbcb3
AP		 784
785 spin_lock_irqsave(&adapter->main_proc_lock, flags);
786 adapter->main_locked = true;
787 if (adapter->mwifiex_processing) {
788 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
789 flush_workqueue(adapter->workqueue);
790 } else {
791 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
792 }
793
794 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
795 adapter->rx_locked = true;
796 if (adapter->rx_processing) {
797 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
798 flush_workqueue(adapter->rx_workqueue);
799 } else {
800 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
801 }
802
047eaaf6
AP		 803 mwifiex_free_priv(priv);
804 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
805 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
806 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM;
807
808 return 0;
809}
810
811static int
812mwifiex_init_new_priv_params(struct mwifiex_private *priv,
813 struct net_device *dev,
814 enum nl80211_iftype type)
815{
a9adbcb3
AP		 816 struct mwifiex_adapter *adapter = priv->adapter;
817 unsigned long flags;
818
047eaaf6
AP		 819 mwifiex_init_priv(priv);
820
821 priv->bss_mode = type;
822 priv->wdev.iftype = type;
823
824 mwifiex_init_priv_params(priv, priv->netdev);
825 priv->bss_started = 0;
826
827 switch (type) {
828 case NL80211_IFTYPE_STATION:
829 case NL80211_IFTYPE_ADHOC:
830 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
831 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
832 break;
833 case NL80211_IFTYPE_P2P_CLIENT:
047eaaf6
AP		 834 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
835 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
836 break;
ae86c587
AN		 837 case NL80211_IFTYPE_P2P_GO:
838 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
839 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
840 break;
047eaaf6
AP		 841 case NL80211_IFTYPE_AP:
842 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
843 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
844 break;
845 default:
acebe8c1
ZL		 846 mwifiex_dbg(adapter, ERROR,
847 "%s: changing to %d not supported\n",
848 dev->name, type);
047eaaf6
AP		 849 return -EOPNOTSUPP;
850 }
9197ab9e 851
a9adbcb3
AP		 852 spin_lock_irqsave(&adapter->main_proc_lock, flags);
853 adapter->main_locked = false;
854 spin_unlock_irqrestore(&adapter->main_proc_lock, flags);
855
856 spin_lock_irqsave(&adapter->rx_proc_lock, flags);
857 adapter->rx_locked = false;
858 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags);
859
9197ab9e
SP		 860 return 0;
861}
862
047eaaf6
AP		 863static int
864mwifiex_change_vif_to_p2p(struct net_device *dev,
865 enum nl80211_iftype curr_iftype,
866 enum nl80211_iftype type, u32 *flags,
867 struct vif_params *params)
868{
869 struct mwifiex_private *priv;
870 struct mwifiex_adapter *adapter;
871
872 priv = mwifiex_netdev_get_priv(dev);
873
874 if (!priv)
875 return -1;
876
877 adapter = priv->adapter;
878
879 if (adapter->curr_iface_comb.p2p_intf ==
880 adapter->iface_limit.p2p_intf) {
acebe8c1
ZL		 881 mwifiex_dbg(adapter, ERROR,
882 "cannot create multiple P2P ifaces\n");
047eaaf6
AP		 883 return -1;
884 }
885
acebe8c1
ZL		 886 mwifiex_dbg(adapter, INFO,
887 "%s: changing role to p2p\n", dev->name);
047eaaf6
AP		 888
889 if (mwifiex_deinit_priv_params(priv))
890 return -1;
891 if (mwifiex_init_new_priv_params(priv, dev, type))
892 return -1;
893
894 switch (type) {
895 case NL80211_IFTYPE_P2P_CLIENT:
896 if (mwifiex_cfg80211_init_p2p_client(priv))
897 return -EFAULT;
898 break;
899 case NL80211_IFTYPE_P2P_GO:
900 if (mwifiex_cfg80211_init_p2p_go(priv))
901 return -EFAULT;
902 break;
903 default:
acebe8c1
ZL		 904 mwifiex_dbg(adapter, ERROR,
905 "%s: changing to %d not supported\n",
906 dev->name, type);
047eaaf6
AP		 907 return -EOPNOTSUPP;
908 }
909
910 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
911 HostCmd_ACT_GEN_SET, 0, NULL, true))
912 return -1;
913
914 if (mwifiex_sta_init_cmd(priv, false, false))
915 return -1;
916
917 switch (curr_iftype) {
918 case NL80211_IFTYPE_STATION:
919 case NL80211_IFTYPE_ADHOC:
920 adapter->curr_iface_comb.sta_intf--;
921 break;
922 case NL80211_IFTYPE_AP:
923 adapter->curr_iface_comb.uap_intf--;
924 break;
925 default:
926 break;
927 }
928
929 adapter->curr_iface_comb.p2p_intf++;
930 dev->ieee80211_ptr->iftype = type;
931
932 return 0;
933}
934
935static int
936mwifiex_change_vif_to_sta_adhoc(struct net_device *dev,
937 enum nl80211_iftype curr_iftype,
938 enum nl80211_iftype type, u32 *flags,
939 struct vif_params *params)
940{
941 struct mwifiex_private *priv;
942 struct mwifiex_adapter *adapter;
943
944 priv = mwifiex_netdev_get_priv(dev);
945
946 if (!priv)
947 return -1;
948
949 adapter = priv->adapter;
950
951 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT &&
952 curr_iftype != NL80211_IFTYPE_P2P_GO) &&
953 (adapter->curr_iface_comb.sta_intf ==
954 adapter->iface_limit.sta_intf)) {
acebe8c1
ZL		 955 mwifiex_dbg(adapter, ERROR,
956 "cannot create multiple station/adhoc ifaces\n");
047eaaf6
AP		 957 return -1;
958 }
959
960 if (type == NL80211_IFTYPE_STATION)
acebe8c1
ZL		 961 mwifiex_dbg(adapter, INFO,
962 "%s: changing role to station\n", dev->name);
047eaaf6 963 else
acebe8c1
ZL		 964 mwifiex_dbg(adapter, INFO,
965 "%s: changing role to adhoc\n", dev->name);
047eaaf6
AP		 966
967 if (mwifiex_deinit_priv_params(priv))
968 return -1;
969 if (mwifiex_init_new_priv_params(priv, dev, type))
970 return -1;
971 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
972 HostCmd_ACT_GEN_SET, 0, NULL, true))
973 return -1;
974 if (mwifiex_sta_init_cmd(priv, false, false))
975 return -1;
976
977 switch (curr_iftype) {
978 case NL80211_IFTYPE_P2P_CLIENT:
979 case NL80211_IFTYPE_P2P_GO:
980 adapter->curr_iface_comb.p2p_intf--;
981 break;
982 case NL80211_IFTYPE_AP:
983 adapter->curr_iface_comb.uap_intf--;
984 break;
985 default:
986 break;
987 }
988
989 adapter->curr_iface_comb.sta_intf++;
990 dev->ieee80211_ptr->iftype = type;
991 return 0;
992}
993
994static int
995mwifiex_change_vif_to_ap(struct net_device *dev,
996 enum nl80211_iftype curr_iftype,
997 enum nl80211_iftype type, u32 *flags,
998 struct vif_params *params)
999{
1000 struct mwifiex_private *priv;
1001 struct mwifiex_adapter *adapter;
1002
1003 priv = mwifiex_netdev_get_priv(dev);
1004
1005 if (!priv)
1006 return -1;
1007
1008 adapter = priv->adapter;
1009
1010 if (adapter->curr_iface_comb.uap_intf ==
1011 adapter->iface_limit.uap_intf) {
acebe8c1
ZL		 1012 mwifiex_dbg(adapter, ERROR,
1013 "cannot create multiple AP ifaces\n");
047eaaf6
AP		 1014 return -1;
1015 }
1016
acebe8c1
ZL		 1017 mwifiex_dbg(adapter, INFO,
1018 "%s: changing role to AP\n", dev->name);
047eaaf6
AP		 1019
1020 if (mwifiex_deinit_priv_params(priv))
1021 return -1;
1022 if (mwifiex_init_new_priv_params(priv, dev, type))
1023 return -1;
1024 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1025 HostCmd_ACT_GEN_SET, 0, NULL, true))
1026 return -1;
1027 if (mwifiex_sta_init_cmd(priv, false, false))
1028 return -1;
1029
1030 switch (curr_iftype) {
1031 case NL80211_IFTYPE_P2P_CLIENT:
1032 case NL80211_IFTYPE_P2P_GO:
1033 adapter->curr_iface_comb.p2p_intf--;
1034 break;
1035 case NL80211_IFTYPE_STATION:
1036 case NL80211_IFTYPE_ADHOC:
1037 adapter->curr_iface_comb.sta_intf--;
1038 break;
1039 default:
1040 break;
1041 }
1042
1043 adapter->curr_iface_comb.uap_intf++;
1044 dev->ieee80211_ptr->iftype = type;
1045 return 0;
1046}
5e6e3a92
BZ		 1047/*
1048 * CFG802.11 operation handler to change interface type.
5e6e3a92
BZ		 1049 */
1050static int
1051mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
1052 struct net_device *dev,
1053 enum nl80211_iftype type, u32 *flags,
1054 struct vif_params *params)
1055{
5e6e3a92 1056 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
047eaaf6 1057 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype;
5e6e3a92 1058
047eaaf6 1059 switch (curr_iftype) {
5e6e3a92 1060 case NL80211_IFTYPE_ADHOC:
4f02341a
AP		 1061 switch (type) {
1062 case NL80211_IFTYPE_STATION:
047eaaf6
AP		 1063 priv->bss_mode = type;
1064 priv->sec_info.authentication_mode =
1065 NL80211_AUTHTYPE_OPEN_SYSTEM;
1066 dev->ieee80211_ptr->iftype = type;
1067 mwifiex_deauthenticate(priv, NULL);
1068 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1069 HostCmd_ACT_GEN_SET, 0, NULL,
1070 true);
1071 case NL80211_IFTYPE_P2P_CLIENT:
1072 case NL80211_IFTYPE_P2P_GO:
1073 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1074 type, flags, params);
1075 case NL80211_IFTYPE_AP:
1076 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1077 flags, params);
4f02341a 1078 case NL80211_IFTYPE_UNSPECIFIED:
acebe8c1
ZL		 1079 mwifiex_dbg(priv->adapter, INFO,
1080 "%s: kept type as IBSS\n", dev->name);
4f02341a
AP		 1081 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */
1082 return 0;
4f02341a 1083 default:
acebe8c1
ZL		 1084 mwifiex_dbg(priv->adapter, ERROR,
1085 "%s: changing to %d not supported\n",
1086 dev->name, type);
4f02341a
AP		 1087 return -EOPNOTSUPP;
1088 }
5e6e3a92
BZ		 1089 break;
1090 case NL80211_IFTYPE_STATION:
4f02341a
AP		 1091 switch (type) {
1092 case NL80211_IFTYPE_ADHOC:
047eaaf6
AP		 1093 priv->bss_mode = type;
1094 priv->sec_info.authentication_mode =
1095 NL80211_AUTHTYPE_OPEN_SYSTEM;
e1a2b7a3 1096 dev->ieee80211_ptr->iftype = type;
047eaaf6
AP		 1097 mwifiex_deauthenticate(priv, NULL);
1098 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE,
1099 HostCmd_ACT_GEN_SET, 0, NULL,
1100 true);
1101 case NL80211_IFTYPE_P2P_CLIENT:
9197ab9e 1102 case NL80211_IFTYPE_P2P_GO:
047eaaf6
AP		 1103 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1104 type, flags, params);
1105 case NL80211_IFTYPE_AP:
1106 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1107 flags, params);
4f02341a 1108 case NL80211_IFTYPE_UNSPECIFIED:
acebe8c1
ZL		 1109 mwifiex_dbg(priv->adapter, INFO,
1110 "%s: kept type as STA\n", dev->name);
4f02341a
AP		 1111 case NL80211_IFTYPE_STATION: /* This shouldn't happen */
1112 return 0;
4f02341a 1113 default:
acebe8c1
ZL		 1114 mwifiex_dbg(priv->adapter, ERROR,
1115 "%s: changing to %d not supported\n",
1116 dev->name, type);
4f02341a
AP		 1117 return -EOPNOTSUPP;
1118 }
1119 break;
1120 case NL80211_IFTYPE_AP:
1121 switch (type) {
047eaaf6
AP		 1122 case NL80211_IFTYPE_ADHOC:
1123 case NL80211_IFTYPE_STATION:
1124 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1125 type, flags,
1126 params);
1127 break;
1128 case NL80211_IFTYPE_P2P_CLIENT:
1129 case NL80211_IFTYPE_P2P_GO:
1130 return mwifiex_change_vif_to_p2p(dev, curr_iftype,
1131 type, flags, params);
4f02341a 1132 case NL80211_IFTYPE_UNSPECIFIED:
acebe8c1
ZL		 1133 mwifiex_dbg(priv->adapter, INFO,
1134 "%s: kept type as AP\n", dev->name);
4f02341a
AP		 1135 case NL80211_IFTYPE_AP: /* This shouldn't happen */
1136 return 0;
4f02341a 1137 default:
acebe8c1
ZL		 1138 mwifiex_dbg(priv->adapter, ERROR,
1139 "%s: changing to %d not supported\n",
1140 dev->name, type);
4f02341a
AP		 1141 return -EOPNOTSUPP;
1142 }
5e6e3a92 1143 break;
e1a2b7a3 1144 case NL80211_IFTYPE_P2P_CLIENT:
9197ab9e 1145 case NL80211_IFTYPE_P2P_GO:
e1a2b7a3
SP		 1146 switch (type) {
1147 case NL80211_IFTYPE_STATION:
e79801ff 1148 if (mwifiex_cfg80211_deinit_p2p(priv))
e1a2b7a3 1149 return -EFAULT;
e79801ff
AN		 1150 priv->adapter->curr_iface_comb.p2p_intf--;
1151 priv->adapter->curr_iface_comb.sta_intf++;
e1a2b7a3 1152 dev->ieee80211_ptr->iftype = type;
047eaaf6
AP		 1153 break;
1154 case NL80211_IFTYPE_ADHOC:
1155 if (mwifiex_cfg80211_deinit_p2p(priv))
1156 return -EFAULT;
1157 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype,
1158 type, flags,
1159 params);
1160 break;
1161 case NL80211_IFTYPE_AP:
1162 if (mwifiex_cfg80211_deinit_p2p(priv))
1163 return -EFAULT;
1164 return mwifiex_change_vif_to_ap(dev, curr_iftype, type,
1165 flags, params);
1166 case NL80211_IFTYPE_UNSPECIFIED:
acebe8c1
ZL		 1167 mwifiex_dbg(priv->adapter, INFO,
1168 "%s: kept type as P2P\n", dev->name);
047eaaf6
AP		 1169 case NL80211_IFTYPE_P2P_CLIENT:
1170 case NL80211_IFTYPE_P2P_GO:
e1a2b7a3
SP		 1171 return 0;
1172 default:
acebe8c1
ZL		 1173 mwifiex_dbg(priv->adapter, ERROR,
1174 "%s: changing to %d not supported\n",
1175 dev->name, type);
e1a2b7a3
SP		 1176 return -EOPNOTSUPP;
1177 }
1178 break;
5e6e3a92 1179 default:
acebe8c1
ZL		 1180 mwifiex_dbg(priv->adapter, ERROR,
1181 "%s: unknown iftype: %d\n",
1182 dev->name, dev->ieee80211_ptr->iftype);
4f02341a 1183 return -EOPNOTSUPP;
5e6e3a92 1184 }
5e6e3a92 1185
eecd8250 1186
047eaaf6 1187 return 0;
5e6e3a92
BZ		 1188}
1189
a5f39056
YAP		 1190static void
1191mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
1192 struct rate_info *rate)
1193{
1194 struct mwifiex_adapter *adapter = priv->adapter;
1195
1196 if (adapter->is_hw_11ac_capable) {
1197 /* bit[1-0]: 00=LG 01=HT 10=VHT */
1198 if (tx_htinfo & BIT(0)) {
1199 /* HT */
1200 rate->mcs = priv->tx_rate;
1201 rate->flags |= RATE_INFO_FLAGS_MCS;
1202 }
1203 if (tx_htinfo & BIT(1)) {
1204 /* VHT */
1205 rate->mcs = priv->tx_rate & 0x0F;
1206 rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
1207 }
1208
1209 if (tx_htinfo & (BIT(1) | BIT(0))) {
1210 /* HT or VHT */
1211 switch (tx_htinfo & (BIT(3) | BIT(2))) {
1212 case 0:
b51f3bee 1213 rate->bw = RATE_INFO_BW_20;
a5f39056
YAP		 1214 break;
1215 case (BIT(2)):
b51f3bee 1216 rate->bw = RATE_INFO_BW_40;
a5f39056
YAP		 1217 break;
1218 case (BIT(3)):
b51f3bee 1219 rate->bw = RATE_INFO_BW_80;
a5f39056
YAP		 1220 break;
1221 case (BIT(3) | BIT(2)):
b51f3bee 1222 rate->bw = RATE_INFO_BW_160;
a5f39056
YAP		 1223 break;
1224 }
1225
1226 if (tx_htinfo & BIT(4))
1227 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1228
1229 if ((priv->tx_rate >> 4) == 1)
1230 rate->nss = 2;
1231 else
1232 rate->nss = 1;
1233 }
1234 } else {
1235 /*
1236 * Bit 0 in tx_htinfo indicates that current Tx rate
1237 * is 11n rate. Valid MCS index values for us are 0 to 15.
1238 */
1239 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
1240 rate->mcs = priv->tx_rate;
1241 rate->flags |= RATE_INFO_FLAGS_MCS;
b51f3bee 1242 rate->bw = RATE_INFO_BW_20;
a5f39056 1243 if (tx_htinfo & BIT(1))
b51f3bee 1244 rate->bw = RATE_INFO_BW_40;
a5f39056
YAP		 1245 if (tx_htinfo & BIT(2))
1246 rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
1247 }
1248 }
1249}
1250
5e6e3a92
BZ		 1251/*
1252 * This function dumps the station information on a buffer.
1253 *
1254 * The following information are shown -
1255 * - Total bytes transmitted
1256 * - Total bytes received
1257 * - Total packets transmitted
1258 * - Total packets received
1259 * - Signal quality level
1260 * - Transmission rate
1261 */
1262static int
1263mwifiex_dump_station_info(struct mwifiex_private *priv,
8baca1a3 1264 struct mwifiex_sta_node *node,
5e6e3a92
BZ		 1265 struct station_info *sinfo)
1266{
006606c0 1267 u32 rate;
5e6e3a92 1268
319090bf
JB		 1269 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) |
1270 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) |
1271 BIT(NL80211_STA_INFO_TX_BITRATE) |
1272 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG);
5e6e3a92 1273
8baca1a3
XH		 1274 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1275 if (!node)
1276 return -ENOENT;
1277
1278 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) |
1279 BIT(NL80211_STA_INFO_TX_FAILED);
1280 sinfo->inactive_time =
1281 jiffies_to_msecs(jiffies - node->stats.last_rx);
1282
1283 sinfo->signal = node->stats.rssi;
1284 sinfo->signal_avg = node->stats.rssi;
1285 sinfo->rx_bytes = node->stats.rx_bytes;
1286 sinfo->tx_bytes = node->stats.tx_bytes;
1287 sinfo->rx_packets = node->stats.rx_packets;
1288 sinfo->tx_packets = node->stats.tx_packets;
1289 sinfo->tx_failed = node->stats.tx_failed;
1290
1291 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo,
1292 &sinfo->txrate);
1293 sinfo->txrate.legacy = node->stats.last_tx_rate * 5;
1294
1295 return 0;
1296 }
1297
5e6e3a92 1298 /* Get signal information from the firmware */
fa0ecbb9
BZ		 1299 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO,
1300 HostCmd_ACT_GEN_GET, 0, NULL, true)) {
acebe8c1
ZL		 1301 mwifiex_dbg(priv->adapter, ERROR,
1302 "failed to get signal information\n");
958a4a86 1303 return -EFAULT;
5e6e3a92
BZ		 1304 }
1305
1306 if (mwifiex_drv_get_data_rate(priv, &rate)) {
acebe8c1
ZL		 1307 mwifiex_dbg(priv->adapter, ERROR,
1308 "getting data rate error\n");
958a4a86 1309 return -EFAULT;
5e6e3a92
BZ		 1310 }
1311
caf60a6c 1312 /* Get DTIM period information from firmware */
fa0ecbb9
BZ		 1313 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
1314 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
1315 &priv->dtim_period, true);
caf60a6c 1316
a5f39056 1317 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
4ec6f9c0 1318
7013d3e2 1319 sinfo->signal_avg = priv->bcn_rssi_avg;
5e6e3a92
BZ		 1320 sinfo->rx_bytes = priv->stats.rx_bytes;
1321 sinfo->tx_bytes = priv->stats.tx_bytes;
1322 sinfo->rx_packets = priv->stats.rx_packets;
1323 sinfo->tx_packets = priv->stats.tx_packets;
958a4a86 1324 sinfo->signal = priv->bcn_rssi_avg;
4ec6f9c0 1325 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
006606c0 1326 sinfo->txrate.legacy = rate * 5;
5e6e3a92 1327
c4f3b972 1328 if (priv->bss_mode == NL80211_IFTYPE_STATION) {
319090bf 1329 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM);
c4f3b972
AK		 1330 sinfo->bss_param.flags = 0;
1331 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1332 WLAN_CAPABILITY_SHORT_PREAMBLE)
1333 sinfo->bss_param.flags |=
1334 BSS_PARAM_FLAGS_SHORT_PREAMBLE;
1335 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
1336 WLAN_CAPABILITY_SHORT_SLOT_TIME)
1337 sinfo->bss_param.flags |=
1338 BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
caf60a6c 1339 sinfo->bss_param.dtim_period = priv->dtim_period;
c4f3b972
AK		 1340 sinfo->bss_param.beacon_interval =
1341 priv->curr_bss_params.bss_descriptor.beacon_period;
1342 }
1343
958a4a86 1344 return 0;
5e6e3a92
BZ		 1345}
1346
1347/*
1348 * CFG802.11 operation handler to get station information.
1349 *
1350 * This function only works in connected mode, and dumps the
1351 * requested station information, if available.
1352 */
1353static int
1354mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 1355 const u8 *mac, struct station_info *sinfo)
5e6e3a92
BZ		 1356{
1357 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 1358
5e6e3a92
BZ		 1359 if (!priv->media_connected)
1360 return -ENOENT;
1361 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN))
1362 return -ENOENT;
1363
8baca1a3 1364 return mwifiex_dump_station_info(priv, NULL, sinfo);
5e6e3a92
BZ		 1365}
1366
f85aae6b
AK		 1367/*
1368 * CFG802.11 operation handler to dump station information.
1369 */
1370static int
1371mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
1372 int idx, u8 *mac, struct station_info *sinfo)
1373{
1374 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
8baca1a3
XH		 1375 static struct mwifiex_sta_node *node;
1376
1377 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1378 priv->media_connected && idx == 0) {
1379 ether_addr_copy(mac, priv->cfg_bssid);
1380 return mwifiex_dump_station_info(priv, NULL, sinfo);
1381 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
1382 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
1383 HostCmd_ACT_GEN_GET, 0, NULL, true);
1384
1385 if (node && (&node->list == &priv->sta_list)) {
1386 node = NULL;
1387 return -ENOENT;
1388 }
f85aae6b 1389
8baca1a3
XH		 1390 node = list_prepare_entry(node, &priv->sta_list, list);
1391 list_for_each_entry_continue(node, &priv->sta_list, list) {
1392 ether_addr_copy(mac, node->mac_addr);
1393 return mwifiex_dump_station_info(priv, node, sinfo);
1394 }
1395 }
f85aae6b 1396
8baca1a3 1397 return -ENOENT;
f85aae6b
AK		 1398}
1399
6bc6c49f
XH		 1400static int
1401mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
1402 int idx, struct survey_info *survey)
1403{
1404 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1405 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats;
1406 enum ieee80211_band band;
1407
acebe8c1 1408 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx);
6bc6c49f
XH		 1409
1410 memset(survey, 0, sizeof(struct survey_info));
1411
1412 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
1413 priv->media_connected && idx == 0) {
1414 u8 curr_bss_band = priv->curr_bss_params.band;
1415 u32 chan = priv->curr_bss_params.bss_descriptor.channel;
1416
1417 band = mwifiex_band_to_radio_type(curr_bss_band);
1418 survey->channel = ieee80211_get_channel(wiphy,
1419 ieee80211_channel_to_frequency(chan, band));
1420
1421 if (priv->bcn_nf_last) {
1422 survey->filled = SURVEY_INFO_NOISE_DBM;
1423 survey->noise = priv->bcn_nf_last;
1424 }
1425 return 0;
1426 }
1427
1428 if (idx >= priv->adapter->num_in_chan_stats)
1429 return -ENOENT;
1430
1431 if (!pchan_stats[idx].cca_scan_dur)
1432 return 0;
1433
1434 band = pchan_stats[idx].bandcfg;
1435 survey->channel = ieee80211_get_channel(wiphy,
1436 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band));
1437 survey->filled = SURVEY_INFO_NOISE_DBM |
4ed20beb
JB		 1438 SURVEY_INFO_TIME |
1439 SURVEY_INFO_TIME_BUSY;
6bc6c49f 1440 survey->noise = pchan_stats[idx].noise;
4ed20beb
JB		 1441 survey->time = pchan_stats[idx].cca_scan_dur;
1442 survey->time_busy = pchan_stats[idx].cca_busy_dur;
6bc6c49f
XH		 1443
1444 return 0;
1445}
1446
5e6e3a92 1447/* Supported rates to be advertised to the cfg80211 */
5e6e3a92
BZ		 1448static struct ieee80211_rate mwifiex_rates[] = {
1449 {.bitrate = 10, .hw_value = 2, },
1450 {.bitrate = 20, .hw_value = 4, },
1451 {.bitrate = 55, .hw_value = 11, },
1452 {.bitrate = 110, .hw_value = 22, },
5e6e3a92
BZ		 1453 {.bitrate = 60, .hw_value = 12, },
1454 {.bitrate = 90, .hw_value = 18, },
1455 {.bitrate = 120, .hw_value = 24, },
1456 {.bitrate = 180, .hw_value = 36, },
1457 {.bitrate = 240, .hw_value = 48, },
1458 {.bitrate = 360, .hw_value = 72, },
1459 {.bitrate = 480, .hw_value = 96, },
1460 {.bitrate = 540, .hw_value = 108, },
5e6e3a92
BZ		 1461};
1462
1463/* Channel definitions to be advertised to cfg80211 */
5e6e3a92
BZ		 1464static struct ieee80211_channel mwifiex_channels_2ghz[] = {
1465 {.center_freq = 2412, .hw_value = 1, },
1466 {.center_freq = 2417, .hw_value = 2, },
1467 {.center_freq = 2422, .hw_value = 3, },
1468 {.center_freq = 2427, .hw_value = 4, },
1469 {.center_freq = 2432, .hw_value = 5, },
1470 {.center_freq = 2437, .hw_value = 6, },
1471 {.center_freq = 2442, .hw_value = 7, },
1472 {.center_freq = 2447, .hw_value = 8, },
1473 {.center_freq = 2452, .hw_value = 9, },
1474 {.center_freq = 2457, .hw_value = 10, },
1475 {.center_freq = 2462, .hw_value = 11, },
1476 {.center_freq = 2467, .hw_value = 12, },
1477 {.center_freq = 2472, .hw_value = 13, },
1478 {.center_freq = 2484, .hw_value = 14, },
1479};
1480
1481static struct ieee80211_supported_band mwifiex_band_2ghz = {
1482 .channels = mwifiex_channels_2ghz,
1483 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz),
1484 .bitrates = mwifiex_rates,
8763848e 1485 .n_bitrates = ARRAY_SIZE(mwifiex_rates),
5e6e3a92
BZ		 1486};
1487
1488static struct ieee80211_channel mwifiex_channels_5ghz[] = {
1489 {.center_freq = 5040, .hw_value = 8, },
1490 {.center_freq = 5060, .hw_value = 12, },
1491 {.center_freq = 5080, .hw_value = 16, },
1492 {.center_freq = 5170, .hw_value = 34, },
1493 {.center_freq = 5190, .hw_value = 38, },
1494 {.center_freq = 5210, .hw_value = 42, },
1495 {.center_freq = 5230, .hw_value = 46, },
1496 {.center_freq = 5180, .hw_value = 36, },
1497 {.center_freq = 5200, .hw_value = 40, },
1498 {.center_freq = 5220, .hw_value = 44, },
1499 {.center_freq = 5240, .hw_value = 48, },
1500 {.center_freq = 5260, .hw_value = 52, },
1501 {.center_freq = 5280, .hw_value = 56, },
1502 {.center_freq = 5300, .hw_value = 60, },
1503 {.center_freq = 5320, .hw_value = 64, },
1504 {.center_freq = 5500, .hw_value = 100, },
1505 {.center_freq = 5520, .hw_value = 104, },
1506 {.center_freq = 5540, .hw_value = 108, },
1507 {.center_freq = 5560, .hw_value = 112, },
1508 {.center_freq = 5580, .hw_value = 116, },
1509 {.center_freq = 5600, .hw_value = 120, },
1510 {.center_freq = 5620, .hw_value = 124, },
1511 {.center_freq = 5640, .hw_value = 128, },
1512 {.center_freq = 5660, .hw_value = 132, },
1513 {.center_freq = 5680, .hw_value = 136, },
1514 {.center_freq = 5700, .hw_value = 140, },
1515 {.center_freq = 5745, .hw_value = 149, },
1516 {.center_freq = 5765, .hw_value = 153, },
1517 {.center_freq = 5785, .hw_value = 157, },
1518 {.center_freq = 5805, .hw_value = 161, },
1519 {.center_freq = 5825, .hw_value = 165, },
1520};
1521
1522static struct ieee80211_supported_band mwifiex_band_5ghz = {
1523 .channels = mwifiex_channels_5ghz,
1524 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz),
eb416ad3
AP		 1525 .bitrates = mwifiex_rates + 4,
1526 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4,
5e6e3a92
BZ		 1527};
1528
1529
1530/* Supported crypto cipher suits to be advertised to cfg80211 */
5e6e3a92
BZ		 1531static const u32 mwifiex_cipher_suites[] = {
1532 WLAN_CIPHER_SUITE_WEP40,
1533 WLAN_CIPHER_SUITE_WEP104,
1534 WLAN_CIPHER_SUITE_TKIP,
1535 WLAN_CIPHER_SUITE_CCMP,
53b11231 1536 WLAN_CIPHER_SUITE_AES_CMAC,
5e6e3a92
BZ		 1537};
1538
83719be8
SP		 1539/* Supported mgmt frame types to be advertised to cfg80211 */
1540static const struct ieee80211_txrx_stypes
1541mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = {
1542 [NL80211_IFTYPE_STATION] = {
1543 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1544 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1545 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1546 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1547 },
1548 [NL80211_IFTYPE_AP] = {
1549 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1550 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1551 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1552 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1553 },
1554 [NL80211_IFTYPE_P2P_CLIENT] = {
1555 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1556 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1557 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1558 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1559 },
1560 [NL80211_IFTYPE_P2P_GO] = {
1561 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1562 BIT(IEEE80211_STYPE_PROBE_RESP >> 4),
1563 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
1564 BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
1565 },
1566};
1567
5d82c53a
YAP		 1568/*
1569 * CFG802.11 operation handler for setting bit rates.
1570 *
433c3990
AK		 1571 * Function configures data rates to firmware using bitrate mask
1572 * provided by cfg80211.
5d82c53a
YAP		 1573 */
1574static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
1575 struct net_device *dev,
1576 const u8 *peer,
1577 const struct cfg80211_bitrate_mask *mask)
1578{
5d82c53a 1579 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
433c3990
AK		 1580 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE];
1581 enum ieee80211_band band;
c44379e2 1582 struct mwifiex_adapter *adapter = priv->adapter;
5d82c53a 1583
433c3990 1584 if (!priv->media_connected) {
acebe8c1
ZL		 1585 mwifiex_dbg(adapter, ERROR,
1586 "Can not set Tx data rate in disconnected state\n");
433c3990 1587 return -EINVAL;
5d82c53a
YAP		 1588 }
1589
433c3990 1590 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
5d82c53a 1591
433c3990 1592 memset(bitmap_rates, 0, sizeof(bitmap_rates));
5d82c53a 1593
433c3990
AK		 1594 /* Fill HR/DSSS rates. */
1595 if (band == IEEE80211_BAND_2GHZ)
1596 bitmap_rates[0] = mask->control[band].legacy & 0x000f;
5d82c53a 1597
433c3990
AK		 1598 /* Fill OFDM rates */
1599 if (band == IEEE80211_BAND_2GHZ)
1600 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4;
1601 else
1602 bitmap_rates[1] = mask->control[band].legacy;
1603
d1e33e65
JD		 1604 /* Fill HT MCS rates */
1605 bitmap_rates[2] = mask->control[band].ht_mcs[0];
c44379e2 1606 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
d1e33e65 1607 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8;
433c3990 1608
c44379e2
AK		 1609 /* Fill VHT MCS rates */
1610 if (adapter->fw_api_ver == MWIFIEX_FW_V15) {
1611 bitmap_rates[10] = mask->control[band].vht_mcs[0];
1612 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
1613 bitmap_rates[11] = mask->control[band].vht_mcs[1];
1614 }
1615
fa0ecbb9
BZ		 1616 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
1617 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true);
5d82c53a
YAP		 1618}
1619
fa444bf8
AK		 1620/*
1621 * CFG802.11 operation handler for connection quality monitoring.
1622 *
1623 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
1624 * events to FW.
1625 */
1626static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
1627 struct net_device *dev,
1628 s32 rssi_thold, u32 rssi_hyst)
1629{
1630 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1631 struct mwifiex_ds_misc_subsc_evt subsc_evt;
1632
1633 priv->cqm_rssi_thold = rssi_thold;
1634 priv->cqm_rssi_hyst = rssi_hyst;
1635
1636 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
1637 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
1638
1639 /* Subscribe/unsubscribe low and high rssi events */
1640 if (rssi_thold && rssi_hyst) {
1641 subsc_evt.action = HostCmd_ACT_BITWISE_SET;
1642 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
1643 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
1644 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
1645 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
fa0ecbb9
BZ		 1646 return mwifiex_send_cmd(priv,
1647 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1648 0, 0, &subsc_evt, true);
fa444bf8
AK		 1649 } else {
1650 subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
fa0ecbb9
BZ		 1651 return mwifiex_send_cmd(priv,
1652 HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
1653 0, 0, &subsc_evt, true);
fa444bf8
AK		 1654 }
1655
1656 return 0;
1657}
1658
5370c836
AP		 1659/* cfg80211 operation handler for change_beacon.
1660 * Function retrieves and sets modified management IEs to FW.
1661 */
1662static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
1663 struct net_device *dev,
1664 struct cfg80211_beacon_data *data)
1665{
1666 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1667
9197ab9e 1668 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
acebe8c1
ZL		 1669 mwifiex_dbg(priv->adapter, ERROR,
1670 "%s: bss_type mismatched\n", __func__);
5370c836
AP		 1671 return -EINVAL;
1672 }
1673
1674 if (!priv->bss_started) {
acebe8c1
ZL		 1675 mwifiex_dbg(priv->adapter, ERROR,
1676 "%s: bss not started\n", __func__);
5370c836
AP		 1677 return -EINVAL;
1678 }
1679
1680 if (mwifiex_set_mgmt_ies(priv, data)) {
acebe8c1
ZL		 1681 mwifiex_dbg(priv->adapter, ERROR,
1682 "%s: setting mgmt ies failed\n", __func__);
5370c836
AP		 1683 return -EFAULT;
1684 }
1685
1686 return 0;
1687}
1688
0f9e9b8b
AP		 1689/* cfg80211 operation handler for del_station.
1690 * Function deauthenticates station which value is provided in mac parameter.
1691 * If mac is NULL/broadcast, all stations in associated station list are
1692 * deauthenticated. If bss is not started or there are no stations in
1693 * associated stations list, no action is taken.
1694 */
1695static int
1696mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev,
89c771e5 1697 struct station_del_parameters *params)
0f9e9b8b
AP		 1698{
1699 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1700 struct mwifiex_sta_node *sta_node;
fc99dd08 1701 u8 deauth_mac[ETH_ALEN];
0f9e9b8b
AP		 1702 unsigned long flags;
1703
1704 if (list_empty(&priv->sta_list) || !priv->bss_started)
1705 return 0;
1706
fc99dd08
AP		 1707 if (!params->mac || is_broadcast_ether_addr(params->mac))
1708 return 0;
1709
acebe8c1
ZL		 1710 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n",
1711 __func__, params->mac);
fc99dd08 1712
93803b33 1713 eth_zero_addr(deauth_mac);
fc99dd08
AP		 1714
1715 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
1716 sta_node = mwifiex_get_sta_entry(priv, params->mac);
1717 if (sta_node)
1718 ether_addr_copy(deauth_mac, params->mac);
1719 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
1720
1721 if (is_valid_ether_addr(deauth_mac)) {
1722 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH,
1723 HostCmd_ACT_GEN_SET, 0,
1724 deauth_mac, true))
1725 return -1;
0f9e9b8b
AP		 1726 }
1727
1728 return 0;
1729}
1730
8a279d5b
AK		 1731static int
1732mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
1733{
1734 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
1735 struct mwifiex_private *priv = mwifiex_get_priv(adapter,
1736 MWIFIEX_BSS_ROLE_ANY);
1737 struct mwifiex_ds_ant_cfg ant_cfg;
1738
1739 if (!tx_ant || !rx_ant)
1740 return -EOPNOTSUPP;
1741
1742 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) {
1743 /* Not a MIMO chip. User should provide specific antenna number
1744 * for Tx/Rx path or enable all antennas for diversity
1745 */
1746 if (tx_ant != rx_ant)
1747 return -EOPNOTSUPP;
1748
1749 if ((tx_ant & (tx_ant - 1)) &&
1750 (tx_ant != BIT(adapter->number_of_antenna) - 1))
1751 return -EOPNOTSUPP;
1752
1753 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) &&
1754 (priv->adapter->number_of_antenna > 1)) {
1755 tx_ant = RF_ANTENNA_AUTO;
1756 rx_ant = RF_ANTENNA_AUTO;
1757 }
a5333914
AK		 1758 } else {
1759 struct ieee80211_sta_ht_cap *ht_info;
1760 int rx_mcs_supp;
1761 enum ieee80211_band band;
1762
1763 if ((tx_ant == 0x1 && rx_ant == 0x1)) {
1764 adapter->user_dev_mcs_support = HT_STREAM_1X1;
1765 if (adapter->is_hw_11ac_capable)
1766 adapter->usr_dot_11ac_mcs_support =
1767 MWIFIEX_11AC_MCS_MAP_1X1;
1768 } else {
1769 adapter->user_dev_mcs_support = HT_STREAM_2X2;
1770 if (adapter->is_hw_11ac_capable)
1771 adapter->usr_dot_11ac_mcs_support =
1772 MWIFIEX_11AC_MCS_MAP_2X2;
1773 }
1774
1775 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
1776 if (!adapter->wiphy->bands[band])
1777 continue;
1778
1779 ht_info = &adapter->wiphy->bands[band]->ht_cap;
1780 rx_mcs_supp =
1781 GET_RXMCSSUPP(adapter->user_dev_mcs_support);
1782 memset(&ht_info->mcs, 0, adapter->number_of_antenna);
1783 memset(&ht_info->mcs, 0xff, rx_mcs_supp);
1784 }
8a279d5b
AK		 1785 }
1786
1787 ant_cfg.tx_ant = tx_ant;
1788 ant_cfg.rx_ant = rx_ant;
1789
fa0ecbb9
BZ		 1790 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA,
1791 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true);
8a279d5b
AK		 1792}
1793
12190c5d
AP		 1794/* cfg80211 operation handler for stop ap.
1795 * Function stops BSS running at uAP interface.
1796 */
1797static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1798{
1799 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1800
85afb186
AP		 1801 mwifiex_abort_cac(priv);
1802
40bbc21a 1803 if (mwifiex_del_mgmt_ies(priv))
acebe8c1
ZL		 1804 mwifiex_dbg(priv->adapter, ERROR,
1805 "Failed to delete mgmt IEs!\n");
40bbc21a 1806
c8258913 1807 priv->ap_11n_enabled = 0;
35c739b5 1808 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg));
c8258913 1809
fa0ecbb9
BZ		 1810 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP,
1811 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
acebe8c1
ZL		 1812 mwifiex_dbg(priv->adapter, ERROR,
1813 "Failed to stop the BSS\n");
12190c5d
AP		 1814 return -1;
1815 }
1816
ed5cfbe6
AP		 1817 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET,
1818 HostCmd_ACT_GEN_SET, 0, NULL, true)) {
1819 mwifiex_dbg(priv->adapter, ERROR,
1820 "Failed to reset BSS\n");
1821 return -1;
1822 }
1823
12190c5d
AP		 1824 return 0;
1825}
1826
1827/* cfg80211 operation handler for start_ap.
1828 * Function sets beacon period, DTIM period, SSID and security into
1829 * AP config structure.
1830 * AP is configured with these settings and BSS is started.
1831 */
1832static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
1833 struct net_device *dev,
1834 struct cfg80211_ap_settings *params)
1835{
1836 struct mwifiex_uap_bss_param *bss_cfg;
1837 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1838
9197ab9e 1839 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
f752dcd5
AP		 1840 return -1;
1841
12190c5d
AP		 1842 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL);
1843 if (!bss_cfg)
1844 return -ENOMEM;
1845
1846 mwifiex_set_sys_config_invalid_data(bss_cfg);
1847
1848 if (params->beacon_interval)
1849 bss_cfg->beacon_period = params->beacon_interval;
1850 if (params->dtim_period)
1851 bss_cfg->dtim_period = params->dtim_period;
1852
1853 if (params->ssid && params->ssid_len) {
1854 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len);
1855 bss_cfg->ssid.ssid_len = params->ssid_len;
1856 }
b654ca18
AP		 1857 if (params->inactivity_timeout > 0) {
1858 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
1859 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout;
1860 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout;
1861 }
12190c5d 1862
7a1c9934
AP		 1863 switch (params->hidden_ssid) {
1864 case NL80211_HIDDEN_SSID_NOT_IN_USE:
1865 bss_cfg->bcast_ssid_ctl = 1;
1866 break;
1867 case NL80211_HIDDEN_SSID_ZERO_LEN:
1868 bss_cfg->bcast_ssid_ctl = 0;
1869 break;
1870 case NL80211_HIDDEN_SSID_ZERO_CONTENTS:
1871 /* firmware doesn't support this type of hidden SSID */
1872 default:
b3190466 1873 kfree(bss_cfg);
7a1c9934
AP		 1874 return -EINVAL;
1875 }
1876
7ee38bf4 1877 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef);
a3c2c4f6 1878 mwifiex_set_uap_rates(bss_cfg, params);
05910f4a 1879
f752dcd5
AP		 1880 if (mwifiex_set_secure_params(priv, bss_cfg, params)) {
1881 kfree(bss_cfg);
acebe8c1
ZL		 1882 mwifiex_dbg(priv->adapter, ERROR,
1883 "Failed to parse secuirty parameters!\n");
f752dcd5
AP		 1884 return -1;
1885 }
1886
22281256 1887 mwifiex_set_ht_params(priv, bss_cfg, params);
83c78da9
YAP		 1888
1889 if (priv->adapter->is_hw_11ac_capable) {
1890 mwifiex_set_vht_params(priv, bss_cfg, params);
1891 mwifiex_set_vht_width(priv, params->chandef.width,
1892 priv->ap_11ac_enabled);
1893 }
1894
2b6254da
AP		 1895 if (priv->ap_11ac_enabled)
1896 mwifiex_set_11ac_ba_params(priv);
1897 else
1898 mwifiex_set_ba_params(priv);
1899
54428c57 1900 mwifiex_set_wmm_params(priv, bss_cfg, params);
22281256 1901
8a73dd63
AP		 1902 if (mwifiex_is_11h_active(priv))
1903 mwifiex_set_tpc_params(priv, bss_cfg, params);
1904
cf075eac
AP		 1905 if (mwifiex_is_11h_active(priv) &&
1906 !cfg80211_chandef_dfs_required(wiphy, &params->chandef,
1907 priv->bss_mode)) {
acebe8c1
ZL		 1908 mwifiex_dbg(priv->adapter, INFO,
1909 "Disable 11h extensions in FW\n");
cf075eac 1910 if (mwifiex_11h_activate(priv, false)) {
acebe8c1
ZL		 1911 mwifiex_dbg(priv->adapter, ERROR,
1912 "Failed to disable 11h extensions!!");
cf075eac
AP		 1913 return -1;
1914 }
7b716625 1915 priv->state_11h.is_11h_active = false;
cf075eac
AP		 1916 }
1917
b654ca18 1918 if (mwifiex_config_start_uap(priv, bss_cfg)) {
acebe8c1
ZL		 1919 mwifiex_dbg(priv->adapter, ERROR,
1920 "Failed to start AP\n");
12190c5d
AP		 1921 kfree(bss_cfg);
1922 return -1;
1923 }
1924
b0d4c5ec
AP		 1925 if (mwifiex_set_mgmt_ies(priv, &params->beacon))
1926 return -1;
1927
35c739b5 1928 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg));
12190c5d 1929 kfree(bss_cfg);
12190c5d
AP		 1930 return 0;
1931}
1932
5e6e3a92
BZ		 1933/*
1934 * CFG802.11 operation handler for disconnection request.
1935 *
1936 * This function does not work when there is already a disconnection
1937 * procedure going on.
1938 */
1939static int
1940mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
1941 u16 reason_code)
1942{
1943 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
1944
600f5d90 1945 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 1946 return -EFAULT;
1947
acebe8c1
ZL		 1948 mwifiex_dbg(priv->adapter, MSG,
1949 "info: successfully disconnected from %pM:\t"
1950 "reason code %d\n", priv->cfg_bssid, reason_code);
5e6e3a92 1951
93803b33 1952 eth_zero_addr(priv->cfg_bssid);
587b36d3 1953 priv->hs2_enabled = false;
5e6e3a92
BZ		 1954
1955 return 0;
1956}
1957
1958/*
1959 * This function informs the CFG802.11 subsystem of a new IBSS.
1960 *
1961 * The following information are sent to the CFG802.11 subsystem
1962 * to register the new IBSS. If we do not register the new IBSS,
1963 * a kernel panic will result.
1964 * - SSID
1965 * - SSID length
1966 * - BSSID
1967 * - Channel
1968 */
1969static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
1970{
5e6e3a92
BZ		 1971 struct ieee80211_channel *chan;
1972 struct mwifiex_bss_info bss_info;
aa95a48d 1973 struct cfg80211_bss *bss;
270e58e8 1974 int ie_len;
5e6e3a92 1975 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
4ed5d521 1976 enum ieee80211_band band;
5e6e3a92 1977
636c4598
YAP		 1978 if (mwifiex_get_bss_info(priv, &bss_info))
1979 return -1;
5e6e3a92
BZ		 1980
1981 ie_buf[0] = WLAN_EID_SSID;
1982 ie_buf[1] = bss_info.ssid.ssid_len;
1983
1984 memcpy(&ie_buf[sizeof(struct ieee_types_header)],
aea0701e 1985 &bss_info.ssid.ssid, bss_info.ssid.ssid_len);
5e6e3a92
BZ		 1986 ie_len = ie_buf[1] + sizeof(struct ieee_types_header);
1987
4ed5d521 1988 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
4facc34a 1989 chan = __ieee80211_get_channel(priv->wdev.wiphy,
5e6e3a92 1990 ieee80211_channel_to_frequency(bss_info.bss_chan,
4ed5d521 1991 band));
5e6e3a92 1992
4facc34a 1993 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan,
5bc8c1f2 1994 CFG80211_BSS_FTYPE_UNKNOWN,
aea0701e
YAP		 1995 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
1996 0, ie_buf, ie_len, 0, GFP_KERNEL);
4facc34a 1997 cfg80211_put_bss(priv->wdev.wiphy, bss);
5e6e3a92
BZ		 1998 memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
1999
636c4598 2000 return 0;
5e6e3a92
BZ		 2001}
2002
5e6e3a92
BZ		 2003/*
2004 * This function connects with a BSS.
2005 *
2006 * This function handles both Infra and Ad-Hoc modes. It also performs
2007 * validity checking on the provided parameters, disconnects from the
2008 * current BSS (if any), sets up the association/scan parameters,
2009 * including security settings, and performs specific SSID scan before
2010 * trying to connect.
2011 *
2012 * For Infra mode, the function returns failure if the specified SSID
2013 * is not found in scan table. However, for Ad-Hoc mode, it can create
2014 * the IBSS if it does not exist. On successful completion in either case,
7c6fa2a8 2015 * the function notifies the CFG802.11 subsystem of the new BSS connection.
5e6e3a92
BZ		 2016 */
2017static int
664834de
JM		 2018mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len,
2019 const u8 *ssid, const u8 *bssid, int mode,
2020 struct ieee80211_channel *channel,
5e6e3a92
BZ		 2021 struct cfg80211_connect_params *sme, bool privacy)
2022{
b9be5f39 2023 struct cfg80211_ssid req_ssid;
270e58e8 2024 int ret, auth_type = 0;
7c6fa2a8 2025 struct cfg80211_bss *bss = NULL;
d7b9c520 2026 u8 is_scanning_required = 0;
5e6e3a92 2027
b9be5f39 2028 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid));
5e6e3a92
BZ		 2029
2030 req_ssid.ssid_len = ssid_len;
2031 if (ssid_len > IEEE80211_MAX_SSID_LEN) {
acebe8c1 2032 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
5e6e3a92
BZ		 2033 return -EINVAL;
2034 }
2035
2036 memcpy(req_ssid.ssid, ssid, ssid_len);
2037 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) {
acebe8c1 2038 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n");
5e6e3a92
BZ		 2039 return -EINVAL;
2040 }
2041
6670f15b
AK		 2042 /* As this is new association, clear locally stored
2043 * keys and security related flags */
2044 priv->sec_info.wpa_enabled = false;
2045 priv->sec_info.wpa2_enabled = false;
2046 priv->wep_key_curr_index = 0;
00f157b4 2047 priv->sec_info.encryption_mode = 0;
a0f6d6ca 2048 priv->sec_info.is_authtype_auto = 0;
53b11231 2049 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1);
5e6e3a92 2050
eecd8250 2051 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 2052 /* "privacy" is set only for ad-hoc mode */
2053 if (privacy) {
2054 /*
2be50b8d 2055 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that
5e6e3a92
BZ		 2056 * the firmware can find a matching network from the
2057 * scan. The cfg80211 does not give us the encryption
2058 * mode at this stage so just setting it to WEP here.
2059 */
203afeca 2060 priv->sec_info.encryption_mode =
2be50b8d 2061 WLAN_CIPHER_SUITE_WEP104;
203afeca 2062 priv->sec_info.authentication_mode =
f986b6d5 2063 NL80211_AUTHTYPE_OPEN_SYSTEM;
5e6e3a92
BZ		 2064 }
2065
2066 goto done;
2067 }
2068
2069 /* Now handle infra mode. "sme" is valid for infra mode only */
a0f6d6ca 2070 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
f986b6d5 2071 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM;
a0f6d6ca
AK		 2072 priv->sec_info.is_authtype_auto = 1;
2073 } else {
2074 auth_type = sme->auth_type;
2075 }
5e6e3a92
BZ		 2076
2077 if (sme->crypto.n_ciphers_pairwise) {
2be50b8d
YAP		 2078 priv->sec_info.encryption_mode =
2079 sme->crypto.ciphers_pairwise[0];
203afeca 2080 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 2081 }
2082
2083 if (sme->crypto.cipher_group) {
2be50b8d 2084 priv->sec_info.encryption_mode = sme->crypto.cipher_group;
203afeca 2085 priv->sec_info.authentication_mode = auth_type;
5e6e3a92
BZ		 2086 }
2087 if (sme->ie)
2088 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len);
2089
2090 if (sme->key) {
e6faada5 2091 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) {
acebe8c1
ZL		 2092 mwifiex_dbg(priv->adapter, INFO,
2093 "info: setting wep encryption\t"
2094 "with key len %d\n", sme->key_len);
6670f15b 2095 priv->wep_key_curr_index = sme->key_idx;
53b11231
YL		 2096 ret = mwifiex_set_encode(priv, NULL, sme->key,
2097 sme->key_len, sme->key_idx,
2098 NULL, 0);
5e6e3a92
BZ		 2099 }
2100 }
2101done:
7c6fa2a8
AK		 2102 /*
2103 * Scan entries are valid for some time (15 sec). So we can save one
2104 * active scan time if we just try cfg80211_get_bss first. If it fails
2105 * then request scan and cfg80211_get_bss() again for final output.
2106 */
2107 while (1) {
2108 if (is_scanning_required) {
2109 /* Do specific SSID scanning */
2110 if (mwifiex_request_scan(priv, &req_ssid)) {
acebe8c1 2111 mwifiex_dbg(priv->adapter, ERROR, "scan error\n");
7c6fa2a8
AK		 2112 return -EFAULT;
2113 }
2114 }
5e6e3a92 2115
7c6fa2a8
AK		 2116 /* Find the BSS we want using available scan results */
2117 if (mode == NL80211_IFTYPE_ADHOC)
4facc34a 2118 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
7c6fa2a8 2119 bssid, ssid, ssid_len,
6eb18137
DL		 2120 IEEE80211_BSS_TYPE_IBSS,
2121 IEEE80211_PRIVACY_ANY);
7c6fa2a8 2122 else
4facc34a 2123 bss = cfg80211_get_bss(priv->wdev.wiphy, channel,
7c6fa2a8 2124 bssid, ssid, ssid_len,
6eb18137
DL		 2125 IEEE80211_BSS_TYPE_ESS,
2126 IEEE80211_PRIVACY_ANY);
7c6fa2a8
AK		 2127
2128 if (!bss) {
2129 if (is_scanning_required) {
acebe8c1
ZL		 2130 mwifiex_dbg(priv->adapter, WARN,
2131 "assoc: requested bss not found in scan results\n");
7c6fa2a8
AK		 2132 break;
2133 }
2134 is_scanning_required = 1;
2135 } else {
acebe8c1
ZL		 2136 mwifiex_dbg(priv->adapter, MSG,
2137 "info: trying to associate to '%s' bssid %pM\n",
2138 (char *)req_ssid.ssid, bss->bssid);
7c6fa2a8
AK		 2139 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN);
2140 break;
2141 }
5e6e3a92
BZ		 2142 }
2143
06975884
AK		 2144 ret = mwifiex_bss_start(priv, bss, &req_ssid);
2145 if (ret)
2146 return ret;
5e6e3a92 2147
eecd8250 2148 if (mode == NL80211_IFTYPE_ADHOC) {
5e6e3a92
BZ		 2149 /* Inform the BSS information to kernel, otherwise
2150 * kernel will give a panic after successful assoc */
2151 if (mwifiex_cfg80211_inform_ibss_bss(priv))
2152 return -EFAULT;
2153 }
2154
2155 return ret;
2156}
2157
2158/*
2159 * CFG802.11 operation handler for association request.
2160 *
2161 * This function does not work when the current mode is set to Ad-Hoc, or
2162 * when there is already an association procedure going on. The given BSS
2163 * information is used to associate.
2164 */
2165static int
2166mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
2167 struct cfg80211_connect_params *sme)
2168{
2169 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
e00483f7 2170 struct mwifiex_adapter *adapter = priv->adapter;
8bc77a4d 2171 int ret;
5e6e3a92 2172
953b3539 2173 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) {
acebe8c1
ZL		 2174 mwifiex_dbg(adapter, ERROR,
2175 "%s: reject infra assoc request in non-STA role\n",
2176 dev->name);
8bc77a4d 2177 return -EINVAL;
e568634a
AP		 2178 }
2179
4facc34a 2180 if (priv->wdev.current_bss) {
acebe8c1
ZL		 2181 mwifiex_dbg(adapter, ERROR,
2182 "%s: already connected\n", dev->name);
71954f24
UR		 2183 return -EALREADY;
2184 }
2185
e00483f7 2186 if (adapter->surprise_removed || adapter->is_cmd_timedout) {
acebe8c1
ZL		 2187 mwifiex_dbg(adapter, ERROR,
2188 "%s: Ignore connection.\t"
2189 "Card removed or FW in bad state\n",
2190 dev->name);
e00483f7
AK		 2191 return -EFAULT;
2192 }
2193
acebe8c1
ZL		 2194 mwifiex_dbg(adapter, INFO,
2195 "info: Trying to associate to %s and bssid %pM\n",
2196 (char *)sme->ssid, sme->bssid);
5e6e3a92
BZ		 2197
2198 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
eecd8250 2199 priv->bss_mode, sme->channel, sme, 0);
38c9d664
AK		 2200 if (!ret) {
2201 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
2202 NULL, 0, WLAN_STATUS_SUCCESS,
2203 GFP_KERNEL);
acebe8c1
ZL		 2204 mwifiex_dbg(priv->adapter, MSG,
2205 "info: associated to bssid %pM successfully\n",
2206 priv->cfg_bssid);
9927baa3
AP		 2207 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
2208 priv->adapter->auto_tdls &&
2209 priv->bss_type == MWIFIEX_BSS_TYPE_STA)
2210 mwifiex_setup_auto_tdls_timer(priv);
38c9d664 2211 } else {
acebe8c1
ZL		 2212 mwifiex_dbg(priv->adapter, ERROR,
2213 "info: association to bssid %pM failed\n",
2214 priv->cfg_bssid);
93803b33 2215 eth_zero_addr(priv->cfg_bssid);
06975884
AK		 2216
2217 if (ret > 0)
2218 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2219 NULL, 0, NULL, 0, ret,
2220 GFP_KERNEL);
2221 else
2222 cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
2223 NULL, 0, NULL, 0,
2224 WLAN_STATUS_UNSPECIFIED_FAILURE,
2225 GFP_KERNEL);
38c9d664
AK		 2226 }
2227
06975884 2228 return 0;
5e6e3a92
BZ		 2229}
2230
05910f4a
AK		 2231/*
2232 * This function sets following parameters for ibss network.
2233 * - channel
2234 * - start band
2235 * - 11n flag
2236 * - secondary channel offset
2237 */
2238static int mwifiex_set_ibss_params(struct mwifiex_private *priv,
2239 struct cfg80211_ibss_params *params)
2240{
05910f4a
AK		 2241 struct mwifiex_adapter *adapter = priv->adapter;
2242 int index = 0, i;
2243 u8 config_bands = 0;
2244
683b6d3b 2245 if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
05910f4a
AK		 2246 if (!params->basic_rates) {
2247 config_bands = BAND_B | BAND_G;
2248 } else {
2249 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
2250 /*
2251 * Rates below 6 Mbps in the table are CCK
2252 * rates; 802.11b and from 6 they are OFDM;
2253 * 802.11G
2254 */
2255 if (mwifiex_rates[i].bitrate == 60) {
2256 index = 1 << i;
2257 break;
2258 }
2259 }
2260
2261 if (params->basic_rates < index) {
2262 config_bands = BAND_B;
2263 } else {
2264 config_bands = BAND_G;
2265 if (params->basic_rates % index)
2266 config_bands |= BAND_B;
2267 }
2268 }
2269
683b6d3b
JB		 2270 if (cfg80211_get_chandef_type(&params->chandef) !=
2271 NL80211_CHAN_NO_HT)
3b86acb8 2272 config_bands |= BAND_G | BAND_GN;
05910f4a 2273 } else {
c3ff0b2d 2274 if (cfg80211_get_chandef_type(&params->chandef) ==
683b6d3b 2275 NL80211_CHAN_NO_HT)
05910f4a
AK		 2276 config_bands = BAND_A;
2277 else
2278 config_bands = BAND_AN | BAND_A;
2279 }
2280
2281 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) {
2282 adapter->config_bands = config_bands;
2283 adapter->adhoc_start_band = config_bands;
2284
2285 if ((config_bands & BAND_GN) || (config_bands & BAND_AN))
2286 adapter->adhoc_11n_enabled = true;
2287 else
2288 adapter->adhoc_11n_enabled = false;
2289 }
2290
2291 adapter->sec_chan_offset =
683b6d3b
JB		 2292 mwifiex_chan_type_to_sec_chan_offset(
2293 cfg80211_get_chandef_type(&params->chandef));
2294 priv->adhoc_channel = ieee80211_frequency_to_channel(
2295 params->chandef.chan->center_freq);
05910f4a 2296
acebe8c1
ZL		 2297 mwifiex_dbg(adapter, INFO,
2298 "info: set ibss band %d, chan %d, chan offset %d\n",
2299 config_bands, priv->adhoc_channel,
2300 adapter->sec_chan_offset);
05910f4a
AK		 2301
2302 return 0;
2303}
2304
5e6e3a92
BZ		 2305/*
2306 * CFG802.11 operation handler to join an IBSS.
2307 *
2308 * This function does not work in any mode other than Ad-Hoc, or if
2309 * a join operation is already in progress.
2310 */
2311static int
2312mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2313 struct cfg80211_ibss_params *params)
2314{
f540f9f3 2315 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 2316 int ret = 0;
5e6e3a92 2317
eecd8250 2318 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
acebe8c1
ZL		 2319 mwifiex_dbg(priv->adapter, ERROR,
2320 "request to join ibss received\t"
2321 "when station is not in ibss mode\n");
5e6e3a92
BZ		 2322 goto done;
2323 }
2324
acebe8c1
ZL		 2325 mwifiex_dbg(priv->adapter, MSG,
2326 "info: trying to join to %s and bssid %pM\n",
2327 (char *)params->ssid, params->bssid);
5e6e3a92 2328
05910f4a
AK		 2329 mwifiex_set_ibss_params(priv, params);
2330
5e6e3a92 2331 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
aea0701e 2332 params->bssid, priv->bss_mode,
683b6d3b
JB		 2333 params->chandef.chan, NULL,
2334 params->privacy);
5e6e3a92 2335done:
38c9d664 2336 if (!ret) {
fe94f3a4
AQ		 2337 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
2338 params->chandef.chan, GFP_KERNEL);
acebe8c1
ZL		 2339 mwifiex_dbg(priv->adapter, MSG,
2340 "info: joined/created adhoc network with bssid\t"
2341 "%pM successfully\n", priv->cfg_bssid);
38c9d664 2342 } else {
acebe8c1
ZL		 2343 mwifiex_dbg(priv->adapter, ERROR,
2344 "info: failed creating/joining adhoc network\n");
38c9d664
AK		 2345 }
2346
5e6e3a92
BZ		 2347 return ret;
2348}
2349
2350/*
2351 * CFG802.11 operation handler to leave an IBSS.
2352 *
2353 * This function does not work if a leave operation is
2354 * already in progress.
2355 */
2356static int
2357mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2358{
f540f9f3 2359 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
5e6e3a92 2360
acebe8c1
ZL		 2361 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n",
2362 priv->cfg_bssid);
600f5d90 2363 if (mwifiex_deauthenticate(priv, NULL))
5e6e3a92
BZ		 2364 return -EFAULT;
2365
93803b33 2366 eth_zero_addr(priv->cfg_bssid);
5e6e3a92
BZ		 2367
2368 return 0;
2369}
2370
2371/*
2372 * CFG802.11 operation handler for scan request.
2373 *
2374 * This function issues a scan request to the firmware based upon
2375 * the user specified scan configuration. On successfull completion,
2376 * it also informs the results.
2377 */
2378static int
fd014284 2379mwifiex_cfg80211_scan(struct wiphy *wiphy,
5e6e3a92
BZ		 2380 struct cfg80211_scan_request *request)
2381{
fd014284 2382 struct net_device *dev = request->wdev->netdev;
5e6e3a92 2383 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
c2476335 2384 int i, offset, ret;
38c9d664 2385 struct ieee80211_channel *chan;
ea021f56 2386 struct ieee_types_header *ie;
75ab753d 2387 struct mwifiex_user_scan_cfg *user_scan_cfg;
5e6e3a92 2388
acebe8c1
ZL		 2389 mwifiex_dbg(priv->adapter, CMD,
2390 "info: received scan request on %s\n", dev->name);
5e6e3a92 2391
75ab753d
AK		 2392 /* Block scan request if scan operation or scan cleanup when interface
2393 * is disabled is in process
2394 */
2395 if (priv->scan_request || priv->scan_aborting) {
acebe8c1
ZL		 2396 mwifiex_dbg(priv->adapter, WARN,
2397 "cmd: Scan already in process..\n");
f162cac8
AK		 2398 return -EBUSY;
2399 }
2400
75ab753d
AK		 2401 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL);
2402 if (!user_scan_cfg)
38c9d664 2403 return -ENOMEM;
be0b281e 2404
6fcf2b10
BZ		 2405 priv->scan_request = request;
2406
75ab753d
AK		 2407 user_scan_cfg->num_ssids = request->n_ssids;
2408 user_scan_cfg->ssid_list = request->ssids;
be0b281e 2409
13d7ba78 2410 if (request->ie && request->ie_len) {
ea021f56 2411 offset = 0;
13d7ba78
AP		 2412 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2413 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR)
2414 continue;
2415 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN;
ea021f56
SP		 2416 ie = (struct ieee_types_header *)(request->ie + offset);
2417 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len);
2418 offset += sizeof(*ie) + ie->len;
2419
2420 if (offset >= request->ie_len)
2421 break;
13d7ba78
AP		 2422 }
2423 }
2424
901ceba4
SP		 2425 for (i = 0; i < min_t(u32, request->n_channels,
2426 MWIFIEX_USER_SCAN_CHAN_MAX); i++) {
38c9d664 2427 chan = request->channels[i];
75ab753d
AK		 2428 user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
2429 user_scan_cfg->chan_list[i].radio_type = chan->band;
38c9d664 2430
a9c1c89e 2431 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids)
75ab753d 2432 user_scan_cfg->chan_list[i].scan_type =
aea0701e 2433 MWIFIEX_SCAN_TYPE_PASSIVE;
38c9d664 2434 else
75ab753d 2435 user_scan_cfg->chan_list[i].scan_type =
aea0701e 2436 MWIFIEX_SCAN_TYPE_ACTIVE;
38c9d664 2437
75ab753d 2438 user_scan_cfg->chan_list[i].scan_time = 0;
38c9d664 2439 }
c2476335 2440
cb91be87
AP		 2441 if (priv->adapter->scan_chan_gap_enabled &&
2442 mwifiex_is_any_intf_active(priv))
2443 user_scan_cfg->scan_chan_gap =
2444 priv->adapter->scan_chan_gap_time;
2445
75ab753d
AK		 2446 ret = mwifiex_scan_networks(priv, user_scan_cfg);
2447 kfree(user_scan_cfg);
c2476335 2448 if (ret) {
acebe8c1
ZL		 2449 mwifiex_dbg(priv->adapter, ERROR,
2450 "scan failed: %d\n", ret);
75ab753d 2451 priv->scan_aborting = false;
6fcf2b10 2452 priv->scan_request = NULL;
c2476335
BZ		 2453 return ret;
2454 }
38c9d664 2455
13d7ba78
AP		 2456 if (request->ie && request->ie_len) {
2457 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) {
2458 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) {
2459 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR;
2460 memset(&priv->vs_ie[i].ie, 0,
2461 MWIFIEX_MAX_VSIE_LEN);
2462 }
2463 }
2464 }
5e6e3a92
BZ		 2465 return 0;
2466}
2467
a5f39056
YAP		 2468static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
2469 struct mwifiex_private *priv)
2470{
2471 struct mwifiex_adapter *adapter = priv->adapter;
a5f39056
YAP		 2472
2473 vht_info->vht_supported = true;
2474
43283feb 2475 vht_info->cap = adapter->hw_dot_11ac_dev_cap;
a5f39056
YAP		 2476 /* Update MCS support for VHT */
2477 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
2478 adapter->hw_dot_11ac_mcs_support & 0xFFFF);
2479 vht_info->vht_mcs.rx_highest = 0;
2480 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
2481 adapter->hw_dot_11ac_mcs_support >> 16);
2482 vht_info->vht_mcs.tx_highest = 0;
2483}
2484
5e6e3a92
BZ		 2485/*
2486 * This function sets up the CFG802.11 specific HT capability fields
2487 * with default values.
2488 *
2489 * The following default values are set -
2490 * - HT Supported = True
a46b7b5c
AK		 2491 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K
2492 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE
2493 * - HT Capabilities supported by firmware
5e6e3a92
BZ		 2494 * - MCS information, Rx mask = 0xff
2495 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01)
2496 */
2497static void
2498mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info,
2499 struct mwifiex_private *priv)
2500{
2501 int rx_mcs_supp;
2502 struct ieee80211_mcs_info mcs_set;
2503 u8 *mcs = (u8 *)&mcs_set;
2504 struct mwifiex_adapter *adapter = priv->adapter;
2505
2506 ht_info->ht_supported = true;
a46b7b5c
AK		 2507 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
2508 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE;
5e6e3a92
BZ		 2509
2510 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
5e6e3a92 2511
a46b7b5c
AK		 2512 /* Fill HT capability information */
2513 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
2514 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2515 else
2516 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
2517
2518 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap))
2519 ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
2520 else
2521 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20;
2522
2523 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap))
2524 ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
2525 else
2526 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40;
2527
474a41e9
MH		 2528 if (adapter->user_dev_mcs_support == HT_STREAM_2X2)
2529 ht_info->cap |= 3 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
a46b7b5c 2530 else
474a41e9 2531 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT;
a46b7b5c
AK		 2532
2533 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap))
2534 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC;
2535 else
2536 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC;
2537
dd0d83c2
AP		 2538 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap))
2539 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
2540 else
2541 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD;
2542
2543 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap))
2544 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2545 else
2546 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT;
2547
2548 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap))
2549 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING;
2550 else
2551 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING;
2552
a46b7b5c
AK		 2553 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU;
2554 ht_info->cap |= IEEE80211_HT_CAP_SM_PS;
2555
a5333914
AK		 2556 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support);
2557 /* Set MCS for 1x1/2x2 */
5e6e3a92
BZ		 2558 memset(mcs, 0xff, rx_mcs_supp);
2559 /* Clear all the other values */
2560 memset(&mcs[rx_mcs_supp], 0,
aea0701e 2561 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp);
eecd8250 2562 if (priv->bss_mode == NL80211_IFTYPE_STATION ||
aea0701e 2563 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap))
5e6e3a92
BZ		 2564 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */
2565 SETHT_MCS32(mcs_set.rx_mask);
2566
2567 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info));
2568
2569 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
2570}
2571
93a1df48 2572/*
6bab2e19 2573 * create a new virtual interface with the given name and name assign type
93a1df48 2574 */
84efbb84 2575struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
552bff0c 2576 const char *name,
6bab2e19 2577 unsigned char name_assign_type,
84efbb84
JB		 2578 enum nl80211_iftype type,
2579 u32 *flags,
2580 struct vif_params *params)
93a1df48 2581{
67fdf39e
AP		 2582 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
2583 struct mwifiex_private *priv;
93a1df48
YAP		 2584 struct net_device *dev;
2585 void *mdev_priv;
2586
93a1df48 2587 if (!adapter)
858faa57 2588 return ERR_PTR(-EFAULT);
93a1df48
YAP		 2589
2590 switch (type) {
2591 case NL80211_IFTYPE_UNSPECIFIED:
2592 case NL80211_IFTYPE_STATION:
2593 case NL80211_IFTYPE_ADHOC:
cf052335
AP		 2594 if (adapter->curr_iface_comb.sta_intf ==
2595 adapter->iface_limit.sta_intf) {
acebe8c1
ZL		 2596 mwifiex_dbg(adapter, ERROR,
2597 "cannot create multiple sta/adhoc ifaces\n");
858faa57 2598 return ERR_PTR(-EINVAL);
93a1df48
YAP		 2599 }
2600
cf052335
AP		 2601 priv = mwifiex_get_unused_priv(adapter);
2602 if (!priv) {
acebe8c1
ZL		 2603 mwifiex_dbg(adapter, ERROR,
2604 "could not get free private struct\n");
cf052335
AP		 2605 return ERR_PTR(-EFAULT);
2606 }
2607
4facc34a
AP		 2608 priv->wdev.wiphy = wiphy;
2609 priv->wdev.iftype = NL80211_IFTYPE_STATION;
d6bffe8b 2610
93a1df48
YAP		 2611 if (type == NL80211_IFTYPE_UNSPECIFIED)
2612 priv->bss_mode = NL80211_IFTYPE_STATION;
2613 else
2614 priv->bss_mode = type;
2615
2616 priv->bss_type = MWIFIEX_BSS_TYPE_STA;
2617 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
a458c0ae 2618 priv->bss_priority = 0;
93a1df48 2619 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
c951a667 2620 priv->bss_num = adapter->curr_iface_comb.sta_intf;
93a1df48 2621
d6bffe8b
AP		 2622 break;
2623 case NL80211_IFTYPE_AP:
cf052335
AP		 2624 if (adapter->curr_iface_comb.uap_intf ==
2625 adapter->iface_limit.uap_intf) {
acebe8c1
ZL		 2626 mwifiex_dbg(adapter, ERROR,
2627 "cannot create multiple AP ifaces\n");
858faa57 2628 return ERR_PTR(-EINVAL);
d6bffe8b
AP		 2629 }
2630
cf052335
AP		 2631 priv = mwifiex_get_unused_priv(adapter);
2632 if (!priv) {
acebe8c1
ZL		 2633 mwifiex_dbg(adapter, ERROR,
2634 "could not get free private struct\n");
cf052335
AP		 2635 return ERR_PTR(-EFAULT);
2636 }
2637
4facc34a
AP		 2638 priv->wdev.wiphy = wiphy;
2639 priv->wdev.iftype = NL80211_IFTYPE_AP;
d6bffe8b
AP		 2640
2641 priv->bss_type = MWIFIEX_BSS_TYPE_UAP;
2642 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
a458c0ae 2643 priv->bss_priority = 0;
d6bffe8b
AP		 2644 priv->bss_role = MWIFIEX_BSS_ROLE_UAP;
2645 priv->bss_started = 0;
c951a667 2646 priv->bss_num = adapter->curr_iface_comb.uap_intf;
d6bffe8b
AP		 2647 priv->bss_mode = type;
2648
197f4a2e
SP		 2649 break;
2650 case NL80211_IFTYPE_P2P_CLIENT:
cf052335
AP		 2651 if (adapter->curr_iface_comb.p2p_intf ==
2652 adapter->iface_limit.p2p_intf) {
acebe8c1
ZL		 2653 mwifiex_dbg(adapter, ERROR,
2654 "cannot create multiple P2P ifaces\n");
197f4a2e
SP		 2655 return ERR_PTR(-EINVAL);
2656 }
2657
cf052335
AP		 2658 priv = mwifiex_get_unused_priv(adapter);
2659 if (!priv) {
acebe8c1
ZL		 2660 mwifiex_dbg(adapter, ERROR,
2661 "could not get free private struct\n");
cf052335
AP		 2662 return ERR_PTR(-EFAULT);
2663 }
197f4a2e 2664
cf052335 2665 priv->wdev.wiphy = wiphy;
197f4a2e
SP		 2666 /* At start-up, wpa_supplicant tries to change the interface
2667 * to NL80211_IFTYPE_STATION if it is not managed mode.
197f4a2e 2668 */
4facc34a 2669 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT;
5586d3e2 2670 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT;
197f4a2e
SP		 2671
2672 /* Setting bss_type to P2P tells firmware that this interface
2673 * is receiving P2P peers found during find phase and doing
2674 * action frame handshake.
2675 */
2676 priv->bss_type = MWIFIEX_BSS_TYPE_P2P;
2677
2678 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II;
2679 priv->bss_priority = MWIFIEX_BSS_ROLE_STA;
2680 priv->bss_role = MWIFIEX_BSS_ROLE_STA;
2681 priv->bss_started = 0;
c951a667 2682 priv->bss_num = adapter->curr_iface_comb.p2p_intf;
197f4a2e 2683
bec568ff 2684 if (mwifiex_cfg80211_init_p2p_client(priv)) {
4facc34a
AP		 2685 memset(&priv->wdev, 0, sizeof(priv->wdev));
2686 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2687 return ERR_PTR(-EFAULT);
bec568ff 2688 }
66aa1ae2 2689
93a1df48
YAP		 2690 break;
2691 default:
acebe8c1 2692 mwifiex_dbg(adapter, ERROR, "type not supported\n");
858faa57 2693 return ERR_PTR(-EINVAL);
93a1df48
YAP		 2694 }
2695
47411a06 2696 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name,
6bab2e19 2697 name_assign_type, ether_setup,
c835a677 2698 IEEE80211_NUM_ACS, 1);
93a1df48 2699 if (!dev) {
acebe8c1
ZL		 2700 mwifiex_dbg(adapter, ERROR,
2701 "no memory available for netdevice\n");
4facc34a
AP		 2702 memset(&priv->wdev, 0, sizeof(priv->wdev));
2703 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
858faa57 2704 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
4facc34a 2705 return ERR_PTR(-ENOMEM);
93a1df48
YAP		 2706 }
2707
d6bffe8b
AP		 2708 mwifiex_init_priv_params(priv, dev);
2709 priv->netdev = dev;
2710
2711 mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
a5f39056
YAP		 2712 if (adapter->is_hw_11ac_capable)
2713 mwifiex_setup_vht_caps(
2714 &wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
d6bffe8b
AP		 2715
2716 if (adapter->config_bands & BAND_A)
2717 mwifiex_setup_ht_caps(
2718 &wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
2719
a5f39056
YAP		 2720 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
2721 mwifiex_setup_vht_caps(
2722 &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);
2723
93a1df48 2724 dev_net_set(dev, wiphy_net(wiphy));
4facc34a 2725 dev->ieee80211_ptr = &priv->wdev;
93a1df48
YAP		 2726 dev->ieee80211_ptr->iftype = priv->bss_mode;
2727 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN);
93a1df48
YAP		 2728 SET_NETDEV_DEV(dev, wiphy_dev(wiphy));
2729
2730 dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
2731 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT;
2732 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN;
0d7f53e3 2733 dev->ethtool_ops = &mwifiex_ethtool_ops;
93a1df48
YAP		 2734
2735 mdev_priv = netdev_priv(dev);
2736 *((unsigned long *) mdev_priv) = (unsigned long) priv;
2737
93a1df48
YAP		 2738 SET_NETDEV_DEV(dev, adapter->dev);
2739
2740 /* Register network device */
2741 if (register_netdevice(dev)) {
acebe8c1
ZL		 2742 mwifiex_dbg(adapter, ERROR,
2743 "cannot register virtual network device\n");
858faa57
BZ		 2744 free_netdev(dev);
2745 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
bec568ff 2746 priv->netdev = NULL;
4facc34a
AP		 2747 memset(&priv->wdev, 0, sizeof(priv->wdev));
2748 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2749 return ERR_PTR(-EFAULT);
93a1df48
YAP		 2750 }
2751
ffdcad05 2752 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s",
85afb186
AP		 2753 WQ_HIGHPRI |
2754 WQ_MEM_RECLAIM |
ffdcad05 2755 WQ_UNBOUND, 1, name);
85afb186 2756 if (!priv->dfs_cac_workqueue) {
acebe8c1
ZL		 2757 mwifiex_dbg(adapter, ERROR,
2758 "cannot register virtual network device\n");
85afb186
AP		 2759 free_netdev(dev);
2760 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2761 priv->netdev = NULL;
2762 memset(&priv->wdev, 0, sizeof(priv->wdev));
2763 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2764 return ERR_PTR(-ENOMEM);
2765 }
2766
2767 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue);
2768
ffdcad05 2769 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s",
7d652034 2770 WQ_HIGHPRI | WQ_UNBOUND |
ffdcad05 2771 WQ_MEM_RECLAIM, 1, name);
7d652034 2772 if (!priv->dfs_chan_sw_workqueue) {
acebe8c1
ZL		 2773 mwifiex_dbg(adapter, ERROR,
2774 "cannot register virtual network device\n");
7d652034
AP		 2775 free_netdev(dev);
2776 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2777 priv->netdev = NULL;
2778 memset(&priv->wdev, 0, sizeof(priv->wdev));
2779 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
2780 return ERR_PTR(-ENOMEM);
2781 }
2782
2783 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work,
2784 mwifiex_dfs_chan_sw_work_queue);
2785
93a1df48 2786 sema_init(&priv->async_sem, 1);
93a1df48 2787
acebe8c1
ZL		 2788 mwifiex_dbg(adapter, INFO,
2789 "info: %s: Marvell 802.11 Adapter\n", dev->name);
93a1df48
YAP		 2790
2791#ifdef CONFIG_DEBUG_FS
2792 mwifiex_dev_debugfs_init(priv);
2793#endif
bec568ff 2794
cf052335
AP		 2795 switch (type) {
2796 case NL80211_IFTYPE_UNSPECIFIED:
2797 case NL80211_IFTYPE_STATION:
2798 case NL80211_IFTYPE_ADHOC:
2799 adapter->curr_iface_comb.sta_intf++;
2800 break;
2801 case NL80211_IFTYPE_AP:
2802 adapter->curr_iface_comb.uap_intf++;
2803 break;
2804 case NL80211_IFTYPE_P2P_CLIENT:
2805 adapter->curr_iface_comb.p2p_intf++;
2806 break;
2807 default:
acebe8c1 2808 mwifiex_dbg(adapter, ERROR, "type not supported\n");
cf052335
AP		 2809 return ERR_PTR(-EINVAL);
2810 }
2811
4facc34a 2812 return &priv->wdev;
93a1df48
YAP		 2813}
2814EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
2815
2816/*
2817 * del_virtual_intf: remove the virtual interface determined by dev
2818 */
84efbb84 2819int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
93a1df48 2820{
84efbb84 2821 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
cf052335 2822 struct mwifiex_adapter *adapter = priv->adapter;
a1777327 2823 struct sk_buff *skb, *tmp;
93a1df48
YAP		 2824
2825#ifdef CONFIG_DEBUG_FS
2826 mwifiex_dev_debugfs_remove(priv);
2827#endif
2828
cf052335 2829 mwifiex_stop_net_dev_queue(priv->netdev, adapter);
93a1df48 2830
a1777327
AP		 2831 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp)
2832 mwifiex_write_data_complete(priv->adapter, skb, 0, -1);
2833
93a1df48
YAP		 2834 if (netif_carrier_ok(priv->netdev))
2835 netif_carrier_off(priv->netdev);
2836
84efbb84
JB		 2837 if (wdev->netdev->reg_state == NETREG_REGISTERED)
2838 unregister_netdevice(wdev->netdev);
93a1df48 2839
85afb186
AP		 2840 if (priv->dfs_cac_workqueue) {
2841 flush_workqueue(priv->dfs_cac_workqueue);
2842 destroy_workqueue(priv->dfs_cac_workqueue);
2843 priv->dfs_cac_workqueue = NULL;
2844 }
2845
7d652034
AP		 2846 if (priv->dfs_chan_sw_workqueue) {
2847 flush_workqueue(priv->dfs_chan_sw_workqueue);
2848 destroy_workqueue(priv->dfs_chan_sw_workqueue);
2849 priv->dfs_chan_sw_workqueue = NULL;
2850 }
93a1df48 2851 /* Clear the priv in adapter */
98a4635b 2852 priv->netdev->ieee80211_ptr = NULL;
93a1df48 2853 priv->netdev = NULL;
4facc34a 2854 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED;
93a1df48
YAP		 2855
2856 priv->media_connected = false;
2857
cf052335
AP		 2858 switch (priv->bss_mode) {
2859 case NL80211_IFTYPE_UNSPECIFIED:
2860 case NL80211_IFTYPE_STATION:
2861 case NL80211_IFTYPE_ADHOC:
65405c51 2862 adapter->curr_iface_comb.sta_intf--;
cf052335
AP		 2863 break;
2864 case NL80211_IFTYPE_AP:
65405c51 2865 adapter->curr_iface_comb.uap_intf--;
cf052335
AP		 2866 break;
2867 case NL80211_IFTYPE_P2P_CLIENT:
2868 case NL80211_IFTYPE_P2P_GO:
65405c51 2869 adapter->curr_iface_comb.p2p_intf--;
cf052335
AP		 2870 break;
2871 default:
acebe8c1
ZL		 2872 mwifiex_dbg(adapter, ERROR,
2873 "del_virtual_intf: type not supported\n");
cf052335
AP		 2874 break;
2875 }
2876
93a1df48
YAP		 2877 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
2878
cbf6e055
XH		 2879 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
2880 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP)
2881 kfree(priv->hist_data);
2882
93a1df48
YAP		 2883 return 0;
2884}
2885EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf);
2886
7da060c1 2887static bool
0434c464
AK		 2888mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq,
2889 u8 max_byte_seq)
7da060c1
AK		 2890{
2891 int j, k, valid_byte_cnt = 0;
2892 bool dont_care_byte = false;
2893
2894 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) {
2895 for (k = 0; k < 8; k++) {
2896 if (pat->mask[j] & 1 << k) {
2897 memcpy(byte_seq + valid_byte_cnt,
2898 &pat->pattern[j * 8 + k], 1);
2899 valid_byte_cnt++;
2900 if (dont_care_byte)
2901 return false;
2902 } else {
2903 if (valid_byte_cnt)
2904 dont_care_byte = true;
2905 }
2906
0434c464 2907 if (valid_byte_cnt > max_byte_seq)
7da060c1
AK		 2908 return false;
2909 }
2910 }
2911
0434c464 2912 byte_seq[max_byte_seq] = valid_byte_cnt;
7da060c1
AK		 2913
2914 return true;
2915}
2916
d1e2586f 2917#ifdef CONFIG_PM
b533be18
MH		 2918static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv,
2919 struct mwifiex_mef_entry *mef_entry)
2920{
2921 int i, filt_num = 0, num_ipv4 = 0;
2922 struct in_device *in_dev;
2923 struct in_ifaddr *ifa;
2924 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR];
2925 struct mwifiex_adapter *adapter = priv->adapter;
2926
2927 mef_entry->mode = MEF_MODE_HOST_SLEEP;
2928 mef_entry->action = MEF_ACTION_AUTO_ARP;
2929
2930 /* Enable ARP offload feature */
2931 memset(ips, 0, sizeof(ips));
2932 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) {
2933 if (adapter->priv[i]->netdev) {
2934 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev);
2935 if (!in_dev)
2936 continue;
2937 ifa = in_dev->ifa_list;
2938 if (!ifa || !ifa->ifa_local)
2939 continue;
2940 ips[i] = ifa->ifa_local;
2941 num_ipv4++;
2942 }
2943 }
2944
2945 for (i = 0; i < num_ipv4; i++) {
2946 if (!ips[i])
2947 continue;
2948 mef_entry->filter[filt_num].repeat = 1;
2949 memcpy(mef_entry->filter[filt_num].byte_seq,
2950 (u8 *)&ips[i], sizeof(ips[i]));
2951 mef_entry->filter[filt_num].
2952 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
2953 sizeof(ips[i]);
2954 mef_entry->filter[filt_num].offset = 46;
2955 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2956 if (filt_num) {
2957 mef_entry->filter[filt_num].filt_action =
2958 TYPE_OR;
2959 }
2960 filt_num++;
2961 }
2962
2963 mef_entry->filter[filt_num].repeat = 1;
2964 mef_entry->filter[filt_num].byte_seq[0] = 0x08;
2965 mef_entry->filter[filt_num].byte_seq[1] = 0x06;
2966 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2;
2967 mef_entry->filter[filt_num].offset = 20;
2968 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
2969 mef_entry->filter[filt_num].filt_action = TYPE_AND;
2970}
2971
2972static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv,
2973 struct mwifiex_ds_mef_cfg *mef_cfg,
2974 struct mwifiex_mef_entry *mef_entry,
2975 struct cfg80211_wowlan *wowlan)
7da060c1 2976{
468133c5 2977 int i, filt_num = 0, ret = 0;
7da060c1 2978 bool first_pat = true;
3f4e854a 2979 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1];
7da060c1
AK		 2980 const u8 ipv4_mc_mac[] = {0x33, 0x33};
2981 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
7da060c1 2982
7da060c1
AK		 2983 mef_entry->mode = MEF_MODE_HOST_SLEEP;
2984 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST;
2985
2986 for (i = 0; i < wowlan->n_patterns; i++) {
2987 memset(byte_seq, 0, sizeof(byte_seq));
2988 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i],
468133c5
MH		 2989 byte_seq,
2990 MWIFIEX_MEF_MAX_BYTESEQ)) {
acebe8c1
ZL		 2991 mwifiex_dbg(priv->adapter, ERROR,
2992 "Pattern not supported\n");
7da060c1
AK		 2993 return -EOPNOTSUPP;
2994 }
2995
2996 if (!wowlan->patterns[i].pkt_offset) {
2997 if (!(byte_seq[0] & 0x01) &&
3f4e854a 2998 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) {
b533be18 2999 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
7da060c1
AK		 3000 continue;
3001 } else if (is_broadcast_ether_addr(byte_seq)) {
b533be18 3002 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST;
7da060c1
AK		 3003 continue;
3004 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3f4e854a 3005 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) ||
7da060c1 3006 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3f4e854a 3007 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) {
b533be18 3008 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST;
7da060c1
AK		 3009 continue;
3010 }
3011 }
7da060c1
AK		 3012 mef_entry->filter[filt_num].repeat = 1;
3013 mef_entry->filter[filt_num].offset =
468133c5 3014 wowlan->patterns[i].pkt_offset;
7da060c1 3015 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq,
468133c5 3016 sizeof(byte_seq));
7da060c1
AK		 3017 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3018
3019 if (first_pat)
3020 first_pat = false;
3021 else
3022 mef_entry->filter[filt_num].filt_action = TYPE_AND;
3023
3024 filt_num++;
3025 }
3026
3027 if (wowlan->magic_pkt) {
b533be18 3028 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST;
7da060c1
AK		 3029 mef_entry->filter[filt_num].repeat = 16;
3030 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
468133c5 3031 ETH_ALEN);
3f4e854a 3032 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
468133c5 3033 ETH_ALEN;
09e65f5b 3034 mef_entry->filter[filt_num].offset = 28;
7da060c1
AK		 3035 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3036 if (filt_num)
3037 mef_entry->filter[filt_num].filt_action = TYPE_OR;
4dbc13fa
ZY		 3038
3039 filt_num++;
3040 mef_entry->filter[filt_num].repeat = 16;
3041 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr,
468133c5 3042 ETH_ALEN);
4dbc13fa 3043 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] =
468133c5 3044 ETH_ALEN;
4dbc13fa
ZY		 3045 mef_entry->filter[filt_num].offset = 56;
3046 mef_entry->filter[filt_num].filt_type = TYPE_EQ;
3047 mef_entry->filter[filt_num].filt_action = TYPE_OR;
7da060c1 3048 }
b533be18
MH		 3049 return ret;
3050}
3051
3052static int mwifiex_set_mef_filter(struct mwifiex_private *priv,
3053 struct cfg80211_wowlan *wowlan)
3054{
3055 int ret = 0, num_entries = 1;
3056 struct mwifiex_ds_mef_cfg mef_cfg;
3057 struct mwifiex_mef_entry *mef_entry;
3058
3059 if (wowlan->n_patterns || wowlan->magic_pkt)
3060 num_entries++;
3061
3062 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL);
3063 if (!mef_entry)
3064 return -ENOMEM;
3065
3066 memset(&mef_cfg, 0, sizeof(mef_cfg));
3067 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST |
3068 MWIFIEX_CRITERIA_UNICAST;
3069 mef_cfg.num_entries = num_entries;
3070 mef_cfg.mef_entry = mef_entry;
3071
3072 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]);
3073
722d2668 3074 if (wowlan->n_patterns || wowlan->magic_pkt) {
b533be18
MH		 3075 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg,
3076 &mef_entry[1], wowlan);
722d2668
JL		 3077 if (ret)
3078 goto err;
3079 }
7da060c1
AK		 3080
3081 if (!mef_cfg.criteria)
3082 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST |
468133c5
MH		 3083 MWIFIEX_CRITERIA_UNICAST |
3084 MWIFIEX_CRITERIA_MULTICAST;
7da060c1 3085
fa0ecbb9 3086 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG,
b533be18
MH		 3087 HostCmd_ACT_GEN_SET, 0,
3088 &mef_cfg, true);
722d2668
JL		 3089
3090err:
7da060c1
AK		 3091 kfree(mef_entry);
3092 return ret;
3093}
3094
468133c5
MH		 3095static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
3096 struct cfg80211_wowlan *wowlan)
3097{
3098 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
8a40084e 3099 struct mwifiex_ds_hs_cfg hs_cfg;
5ff46f79
AP		 3100 int i, ret = 0;
3101 struct mwifiex_private *priv;
3102
3103 for (i = 0; i < adapter->priv_num; i++) {
3104 priv = adapter->priv[i];
3105 mwifiex_abort_cac(priv);
3106 }
3107
3108 mwifiex_cancel_all_pending_cmd(adapter);
468133c5
MH		 3109
3110 if (!wowlan) {
acebe8c1
ZL		 3111 mwifiex_dbg(adapter, ERROR,
3112 "None of the WOWLAN triggers enabled\n");
468133c5
MH		 3113 return 0;
3114 }
3115
5ff46f79
AP		 3116 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3117
468133c5 3118 if (!priv->media_connected) {
acebe8c1
ZL		 3119 mwifiex_dbg(adapter, ERROR,
3120 "Can not configure WOWLAN in disconnected state\n");
468133c5
MH		 3121 return 0;
3122 }
3123
b533be18
MH		 3124 ret = mwifiex_set_mef_filter(priv, wowlan);
3125 if (ret) {
acebe8c1 3126 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n");
b533be18 3127 return ret;
468133c5
MH		 3128 }
3129
8a40084e
MH		 3130 if (wowlan->disconnect) {
3131 memset(&hs_cfg, 0, sizeof(hs_cfg));
3132 hs_cfg.is_invoke_hostcmd = false;
3133 hs_cfg.conditions = HS_CFG_COND_MAC_EVENT;
3134 hs_cfg.gpio = HS_CFG_GPIO_DEF;
3135 hs_cfg.gap = HS_CFG_GAP_DEF;
3136 ret = mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
3137 MWIFIEX_SYNC_CMD, &hs_cfg);
3138 if (ret) {
acebe8c1
ZL		 3139 mwifiex_dbg(adapter, ERROR,
3140 "Failed to set HS params\n");
8a40084e
MH		 3141 return ret;
3142 }
3143 }
3144
468133c5
MH		 3145 return ret;
3146}
3147
7da060c1
AK		 3148static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
3149{
3150 return 0;
3151}
3152
3153static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy,
3154 bool enabled)
3155{
3156 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3157
3158 device_set_wakeup_enable(adapter->dev, enabled);
3159}
3160#endif
3161
562fc5b3
AK		 3162static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq)
3163{
3164 const u8 ipv4_mc_mac[] = {0x33, 0x33};
3165 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e};
3166 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff};
3167
3168 if ((byte_seq[0] & 0x01) &&
3169 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1))
3170 return PACKET_TYPE_UNICAST;
3171 else if (!memcmp(byte_seq, bc_mac, 4))
3172 return PACKET_TYPE_BROADCAST;
3173 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) &&
3174 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) ||
3175 (!memcmp(byte_seq, ipv6_mc_mac, 3) &&
3176 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3))
3177 return PACKET_TYPE_MULTICAST;
3178
3179 return 0;
3180}
3181
3182static int
3183mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv,
3184 struct cfg80211_coalesce_rules *crule,
3185 struct mwifiex_coalesce_rule *mrule)
3186{
3187 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1];
3188 struct filt_field_param *param;
3189 int i;
3190
3191 mrule->max_coalescing_delay = crule->delay;
3192
3193 param = mrule->params;
3194
3195 for (i = 0; i < crule->n_patterns; i++) {
3196 memset(byte_seq, 0, sizeof(byte_seq));
3197 if (!mwifiex_is_pattern_supported(&crule->patterns[i],
3198 byte_seq,
3199 MWIFIEX_COALESCE_MAX_BYTESEQ)) {
acebe8c1
ZL		 3200 mwifiex_dbg(priv->adapter, ERROR,
3201 "Pattern not supported\n");
562fc5b3
AK		 3202 return -EOPNOTSUPP;
3203 }
3204
3205 if (!crule->patterns[i].pkt_offset) {
3206 u8 pkt_type;
3207
3208 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq);
3209 if (pkt_type && mrule->pkt_type) {
acebe8c1
ZL		 3210 mwifiex_dbg(priv->adapter, ERROR,
3211 "Multiple packet types not allowed\n");
562fc5b3
AK		 3212 return -EOPNOTSUPP;
3213 } else if (pkt_type) {
3214 mrule->pkt_type = pkt_type;
3215 continue;
3216 }
3217 }
3218
3219 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH)
3220 param->operation = RECV_FILTER_MATCH_TYPE_EQ;
3221 else
3222 param->operation = RECV_FILTER_MATCH_TYPE_NE;
3223
3224 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ];
3225 memcpy(param->operand_byte_stream, byte_seq,
3226 param->operand_len);
3227 param->offset = crule->patterns[i].pkt_offset;
3228 param++;
3229
3230 mrule->num_of_fields++;
3231 }
3232
3233 if (!mrule->pkt_type) {
acebe8c1
ZL		 3234 mwifiex_dbg(priv->adapter, ERROR,
3235 "Packet type can not be determined\n");
562fc5b3
AK		 3236 return -EOPNOTSUPP;
3237 }
3238
3239 return 0;
3240}
3241
3242static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy,
3243 struct cfg80211_coalesce *coalesce)
3244{
3245 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
3246 int i, ret;
3247 struct mwifiex_ds_coalesce_cfg coalesce_cfg;
3248 struct mwifiex_private *priv =
3249 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
3250
3251 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg));
3252 if (!coalesce) {
acebe8c1
ZL		 3253 mwifiex_dbg(adapter, WARN,
3254 "Disable coalesce and reset all previous rules\n");
fa0ecbb9
BZ		 3255 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3256 HostCmd_ACT_GEN_SET, 0,
3257 &coalesce_cfg, true);
562fc5b3
AK		 3258 }
3259
3260 coalesce_cfg.num_of_rules = coalesce->n_rules;
3261 for (i = 0; i < coalesce->n_rules; i++) {
3262 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i],
3263 &coalesce_cfg.rule[i]);
3264 if (ret) {
acebe8c1
ZL		 3265 mwifiex_dbg(adapter, ERROR,
3266 "Recheck the patterns provided for rule %d\n",
562fc5b3
AK		 3267 i + 1);
3268 return ret;
3269 }
3270 }
3271
fa0ecbb9
BZ		 3272 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG,
3273 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true);
562fc5b3
AK		 3274}
3275
b23bce29
AP		 3276/* cfg80211 ops handler for tdls_mgmt.
3277 * Function prepares TDLS action frame packets and forwards them to FW
3278 */
3279static int
3280mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 3281 const u8 *peer, u8 action_code, u8 dialog_token,
df942e7b 3282 u16 status_code, u32 peer_capability,
31fa97c5
AN		 3283 bool initiator, const u8 *extra_ies,
3284 size_t extra_ies_len)
b23bce29
AP		 3285{
3286 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3287 int ret;
3288
3289 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS))
3290 return -ENOTSUPP;
3291
3292 /* make sure we are in station mode and connected */
3293 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3294 return -ENOTSUPP;
3295
3296 switch (action_code) {
3297 case WLAN_TDLS_SETUP_REQUEST:
acebe8c1
ZL		 3298 mwifiex_dbg(priv->adapter, MSG,
3299 "Send TDLS Setup Request to %pM status_code=%d\n",
3300 peer, status_code);
9927baa3 3301 mwifiex_add_auto_tdls_peer(priv, peer);
b23bce29
AP		 3302 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3303 dialog_token, status_code,
3304 extra_ies, extra_ies_len);
3305 break;
3306 case WLAN_TDLS_SETUP_RESPONSE:
9927baa3 3307 mwifiex_add_auto_tdls_peer(priv, peer);
acebe8c1
ZL		 3308 mwifiex_dbg(priv->adapter, MSG,
3309 "Send TDLS Setup Response to %pM status_code=%d\n",
3310 peer, status_code);
b23bce29
AP		 3311 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3312 dialog_token, status_code,
3313 extra_ies, extra_ies_len);
3314 break;
3315 case WLAN_TDLS_SETUP_CONFIRM:
acebe8c1
ZL		 3316 mwifiex_dbg(priv->adapter, MSG,
3317 "Send TDLS Confirm to %pM status_code=%d\n", peer,
3318 status_code);
b23bce29
AP		 3319 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3320 dialog_token, status_code,
3321 extra_ies, extra_ies_len);
3322 break;
3323 case WLAN_TDLS_TEARDOWN:
acebe8c1
ZL		 3324 mwifiex_dbg(priv->adapter, MSG,
3325 "Send TDLS Tear down to %pM\n", peer);
b23bce29
AP		 3326 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3327 dialog_token, status_code,
3328 extra_ies, extra_ies_len);
3329 break;
3330 case WLAN_TDLS_DISCOVERY_REQUEST:
acebe8c1
ZL		 3331 mwifiex_dbg(priv->adapter, MSG,
3332 "Send TDLS Discovery Request to %pM\n", peer);
b23bce29
AP		 3333 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code,
3334 dialog_token, status_code,
3335 extra_ies, extra_ies_len);
3336 break;
3337 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES:
acebe8c1
ZL		 3338 mwifiex_dbg(priv->adapter, MSG,
3339 "Send TDLS Discovery Response to %pM\n", peer);
b23bce29
AP		 3340 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code,
3341 dialog_token, status_code,
3342 extra_ies, extra_ies_len);
3343 break;
3344 default:
acebe8c1
ZL		 3345 mwifiex_dbg(priv->adapter, ERROR,
3346 "Unknown TDLS mgmt/action frame %pM\n", peer);
b23bce29
AP		 3347 ret = -EINVAL;
3348 break;
3349 }
3350
3351 return ret;
3352}
3353
429d90d2
AP		 3354static int
3355mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
3b3a0162 3356 const u8 *peer, enum nl80211_tdls_operation action)
429d90d2
AP		 3357{
3358 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3359
3360 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) ||
3361 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP))
3362 return -ENOTSUPP;
3363
3364 /* make sure we are in station mode and connected */
3365 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected))
3366 return -ENOTSUPP;
3367
acebe8c1
ZL		 3368 mwifiex_dbg(priv->adapter, MSG,
3369 "TDLS peer=%pM, oper=%d\n", peer, action);
429d90d2
AP		 3370
3371 switch (action) {
3372 case NL80211_TDLS_ENABLE_LINK:
3373 action = MWIFIEX_TDLS_ENABLE_LINK;
3374 break;
3375 case NL80211_TDLS_DISABLE_LINK:
3376 action = MWIFIEX_TDLS_DISABLE_LINK;
3377 break;
3378 case NL80211_TDLS_TEARDOWN:
3379 /* shouldn't happen!*/
acebe8c1
ZL		 3380 mwifiex_dbg(priv->adapter, ERROR,
3381 "tdls_oper: teardown from driver not supported\n");
429d90d2
AP		 3382 return -EINVAL;
3383 case NL80211_TDLS_SETUP:
3384 /* shouldn't happen!*/
acebe8c1
ZL		 3385 mwifiex_dbg(priv->adapter, ERROR,
3386 "tdls_oper: setup from driver not supported\n");
429d90d2
AP		 3387 return -EINVAL;
3388 case NL80211_TDLS_DISCOVERY_REQ:
3389 /* shouldn't happen!*/
acebe8c1
ZL		 3390 mwifiex_dbg(priv->adapter, ERROR,
3391 "tdls_oper: discovery from driver not supported\n");
429d90d2
AP		 3392 return -EINVAL;
3393 default:
acebe8c1
ZL		 3394 mwifiex_dbg(priv->adapter, ERROR,
3395 "tdls_oper: operation not supported\n");
429d90d2
AP		 3396 return -ENOTSUPP;
3397 }
3398
3399 return mwifiex_tdls_oper(priv, peer, action);
3400}
3401
b0497597
XH		 3402static int
3403mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev,
3404 const u8 *addr, u8 oper_class,
3405 struct cfg80211_chan_def *chandef)
3406{
3407 struct mwifiex_sta_node *sta_ptr;
3408 unsigned long flags;
3409 u16 chan;
3410 u8 second_chan_offset, band;
3411 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3412
3413 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3414 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3415 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3416
3417 if (!sta_ptr) {
3418 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3419 __func__, addr);
3420 return -ENOENT;
3421 }
3422
3423 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] &
3424 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) {
3425 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr);
3426 return -ENOENT;
3427 }
3428
3429 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3430 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) {
3431 wiphy_err(wiphy, "channel switch is running, abort request\n");
3432 return -EALREADY;
3433 }
3434
3435 chan = chandef->chan->hw_value;
3436 second_chan_offset = mwifiex_get_sec_chan_offset(chan);
3437 band = chandef->chan->band;
3438 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band);
3439
3440 return 0;
3441}
3442
3443static void
3444mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy,
3445 struct net_device *dev,
3446 const u8 *addr)
3447{
3448 struct mwifiex_sta_node *sta_ptr;
3449 unsigned long flags;
3450 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3451
3452 spin_lock_irqsave(&priv->sta_list_spinlock, flags);
3453 sta_ptr = mwifiex_get_sta_entry(priv, addr);
3454 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags);
3455
3456 if (!sta_ptr) {
3457 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n",
3458 __func__, addr);
3459 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING ||
3460 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN ||
3461 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) {
3462 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n",
3463 addr);
3464 } else
3465 mwifiex_stop_tdls_cs(priv, addr);
3466}
3467
e48e0de0 3468static int
3b3a0162
JB		 3469mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev,
3470 const u8 *mac, struct station_parameters *params)
e48e0de0
AP		 3471{
3472 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3473
3474 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3475 return -ENOTSUPP;
3476
3477 /* make sure we are in station mode and connected */
3478 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3479 return -ENOTSUPP;
3480
3481 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK);
3482}
3483
7d652034
AP		 3484static int
3485mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3486 struct cfg80211_csa_settings *params)
3487{
3488 struct ieee_types_header *chsw_ie;
3489 struct ieee80211_channel_sw_ie *channel_sw;
3490 int chsw_msec;
3491 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3492
3493 if (priv->adapter->scan_processing) {
acebe8c1
ZL		 3494 mwifiex_dbg(priv->adapter, ERROR,
3495 "radar detection: scan in process...\n");
7d652034
AP		 3496 return -EBUSY;
3497 }
3498
3499 if (priv->wdev.cac_started)
3500 return -EBUSY;
3501
3502 if (cfg80211_chandef_identical(&params->chandef,
3503 &priv->dfs_chandef))
3504 return -EINVAL;
3505
3506 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH,
3507 params->beacon_csa.tail,
3508 params->beacon_csa.tail_len);
3509 if (!chsw_ie) {
acebe8c1
ZL		 3510 mwifiex_dbg(priv->adapter, ERROR,
3511 "Could not parse channel switch announcement IE\n");
7d652034
AP		 3512 return -EINVAL;
3513 }
3514
3515 channel_sw = (void *)(chsw_ie + 1);
3516 if (channel_sw->mode) {
3517 if (netif_carrier_ok(priv->netdev))
3518 netif_carrier_off(priv->netdev);
3519 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
3520 }
3521
3522 if (mwifiex_del_mgmt_ies(priv))
acebe8c1
ZL		 3523 mwifiex_dbg(priv->adapter, ERROR,
3524 "Failed to delete mgmt IEs!\n");
7d652034
AP		 3525
3526 if (mwifiex_set_mgmt_ies(priv, &params->beacon_csa)) {
acebe8c1
ZL		 3527 mwifiex_dbg(priv->adapter, ERROR,
3528 "%s: setting mgmt ies failed\n", __func__);
7d652034
AP		 3529 return -EFAULT;
3530 }
3531
3532 memcpy(&priv->dfs_chandef, &params->chandef, sizeof(priv->dfs_chandef));
3533 memcpy(&priv->beacon_after, &params->beacon_after,
3534 sizeof(priv->beacon_after));
3535
3536 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100);
3537 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work,
3538 msecs_to_jiffies(chsw_msec));
3539 return 0;
3540}
3541
7ee38bf4
XH		 3542static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy,
3543 struct wireless_dev *wdev,
3544 struct cfg80211_chan_def *chandef)
3545{
3546 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
3547 struct mwifiex_bssdescriptor *curr_bss;
3548 struct ieee80211_channel *chan;
3549 u8 second_chan_offset;
3550 enum nl80211_channel_type chan_type;
3551 enum ieee80211_band band;
3552 int freq;
3553 int ret = -ENODATA;
3554
3555 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP &&
3556 cfg80211_chandef_valid(&priv->bss_chandef)) {
3557 *chandef = priv->bss_chandef;
3558 ret = 0;
3559 } else if (priv->media_connected) {
3560 curr_bss = &priv->curr_bss_params.bss_descriptor;
3561 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
3562 freq = ieee80211_channel_to_frequency(curr_bss->channel, band);
3563 chan = ieee80211_get_channel(wiphy, freq);
3564
3565 if (curr_bss->bcn_ht_oper) {
3566 second_chan_offset = curr_bss->bcn_ht_oper->ht_param &
3567 IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
3568 chan_type = mwifiex_sec_chan_offset_to_chan_type
3569 (second_chan_offset);
3570 cfg80211_chandef_create(chandef, chan, chan_type);
3571 } else {
3572 cfg80211_chandef_create(chandef, chan,
3573 NL80211_CHAN_NO_HT);
3574 }
3575 ret = 0;
3576 }
3577
3578 return ret;
3579}
3580
85afb186
AP		 3581static int
3582mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy,
3583 struct net_device *dev,
3584 struct cfg80211_chan_def *chandef,
3585 u32 cac_time_ms)
3586{
3587 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3588 struct mwifiex_radar_params radar_params;
3589
3590 if (priv->adapter->scan_processing) {
acebe8c1
ZL		 3591 mwifiex_dbg(priv->adapter, ERROR,
3592 "radar detection: scan already in process...\n");
85afb186
AP		 3593 return -EBUSY;
3594 }
3595
cf075eac 3596 if (!mwifiex_is_11h_active(priv)) {
acebe8c1
ZL		 3597 mwifiex_dbg(priv->adapter, INFO,
3598 "Enable 11h extensions in FW\n");
cf075eac 3599 if (mwifiex_11h_activate(priv, true)) {
acebe8c1
ZL		 3600 mwifiex_dbg(priv->adapter, ERROR,
3601 "Failed to activate 11h extensions!!");
cf075eac
AP		 3602 return -1;
3603 }
3604 priv->state_11h.is_11h_active = true;
3605 }
3606
85afb186
AP		 3607 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params));
3608 radar_params.chandef = chandef;
3609 radar_params.cac_time_ms = cac_time_ms;
3610
3611 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef));
3612
3613 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST,
3614 HostCmd_ACT_GEN_SET, 0, &radar_params, true))
3615 return -1;
3616
3617 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work,
3618 msecs_to_jiffies(cac_time_ms));
3619 return 0;
3620}
3621
1f4dfd8a 3622static int
3b3a0162
JB		 3623mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev,
3624 const u8 *mac,
3625 struct station_parameters *params)
1f4dfd8a
AP		 3626{
3627 int ret;
3628 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
3629
3630 /* we support change_station handler only for TDLS peers*/
3631 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)))
3632 return -ENOTSUPP;
3633
3634 /* make sure we are in station mode and connected */
3635 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected)
3636 return -ENOTSUPP;
3637
3638 priv->sta_params = params;
3639
3640 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK);
3641 priv->sta_params = NULL;
3642
3643 return ret;
3644}
3645
5e6e3a92
BZ		 3646/* station cfg80211 operations */
3647static struct cfg80211_ops mwifiex_cfg80211_ops = {
93a1df48
YAP		 3648 .add_virtual_intf = mwifiex_add_virtual_intf,
3649 .del_virtual_intf = mwifiex_del_virtual_intf,
5e6e3a92
BZ		 3650 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf,
3651 .scan = mwifiex_cfg80211_scan,
3652 .connect = mwifiex_cfg80211_connect,
3653 .disconnect = mwifiex_cfg80211_disconnect,
3654 .get_station = mwifiex_cfg80211_get_station,
f85aae6b 3655 .dump_station = mwifiex_cfg80211_dump_station,
6bc6c49f 3656 .dump_survey = mwifiex_cfg80211_dump_survey,
5e6e3a92 3657 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
5e6e3a92
BZ		 3658 .join_ibss = mwifiex_cfg80211_join_ibss,
3659 .leave_ibss = mwifiex_cfg80211_leave_ibss,
3660 .add_key = mwifiex_cfg80211_add_key,
3661 .del_key = mwifiex_cfg80211_del_key,
e39faa73 3662 .mgmt_tx = mwifiex_cfg80211_mgmt_tx,
3cec6870 3663 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
7feb4c48
SP		 3664 .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
3665 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
5e6e3a92
BZ		 3666 .set_default_key = mwifiex_cfg80211_set_default_key,
3667 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
3668 .set_tx_power = mwifiex_cfg80211_set_tx_power,
5d82c53a 3669 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
12190c5d
AP		 3670 .start_ap = mwifiex_cfg80211_start_ap,
3671 .stop_ap = mwifiex_cfg80211_stop_ap,
5370c836 3672 .change_beacon = mwifiex_cfg80211_change_beacon,
fa444bf8 3673 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
8a279d5b 3674 .set_antenna = mwifiex_cfg80211_set_antenna,
0f9e9b8b 3675 .del_station = mwifiex_cfg80211_del_station,
7da060c1
AK		 3676#ifdef CONFIG_PM
3677 .suspend = mwifiex_cfg80211_suspend,
3678 .resume = mwifiex_cfg80211_resume,
3679 .set_wakeup = mwifiex_cfg80211_set_wakeup,
3680#endif
d1e2586f 3681 .set_coalesce = mwifiex_cfg80211_set_coalesce,
b23bce29 3682 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt,
429d90d2 3683 .tdls_oper = mwifiex_cfg80211_tdls_oper,
b0497597
XH		 3684 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch,
3685 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch,
e48e0de0 3686 .add_station = mwifiex_cfg80211_add_station,
1f4dfd8a 3687 .change_station = mwifiex_cfg80211_change_station,
7ee38bf4 3688 .get_channel = mwifiex_cfg80211_get_channel,
85afb186 3689 .start_radar_detection = mwifiex_cfg80211_start_radar_detection,
7d652034 3690 .channel_switch = mwifiex_cfg80211_channel_switch,
5e6e3a92
BZ		 3691};
3692
964dc9e2
JB		 3693#ifdef CONFIG_PM
3694static const struct wiphy_wowlan_support mwifiex_wowlan_support = {
8a40084e 3695 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
3f4e854a 3696 .n_patterns = MWIFIEX_MEF_MAX_FILTERS,
964dc9e2
JB		 3697 .pattern_min_len = 1,
3698 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
3699 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
3700};
3701#endif
3702
3c68ef5b
AP		 3703static bool mwifiex_is_valid_alpha2(const char *alpha2)
3704{
3705 if (!alpha2 || strlen(alpha2) != 2)
3706 return false;
3707
3708 if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
3709 return true;
3710
3711 return false;
3712}
3713
562fc5b3
AK		 3714static const struct wiphy_coalesce_support mwifiex_coalesce_support = {
3715 .n_rules = MWIFIEX_COALESCE_MAX_RULES,
3716 .max_delay = MWIFIEX_MAX_COALESCING_DELAY,
3717 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS,
3718 .pattern_min_len = 1,
3719 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN,
3720 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN,
3721};
3722
bf354433
AP		 3723int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter)
3724{
3725 u32 n_channels_bg, n_channels_a = 0;
3726
3727 n_channels_bg = mwifiex_band_2ghz.n_channels;
3728
3729 if (adapter->config_bands & BAND_A)
3730 n_channels_a = mwifiex_band_5ghz.n_channels;
3731
3732 adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a);
3733 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) *
3734 adapter->num_in_chan_stats);
3735
3736 if (!adapter->chan_stats)
3737 return -ENOMEM;
3738
3739 return 0;
3740}
3741
5e6e3a92
BZ		 3742/*
3743 * This function registers the device with CFG802.11 subsystem.
3744 *
3745 * The function creates the wireless device/wiphy, populates it with
3746 * default parameters and handler function pointers, and finally
3747 * registers the device.
3748 */
d6bffe8b
AP		 3749
3750int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
5e6e3a92 3751{
270e58e8
YAP		 3752 int ret;
3753 void *wdev_priv;
d6bffe8b
AP		 3754 struct wiphy *wiphy;
3755 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
9e04a7c6 3756 u8 *country_code;
f862bfd1 3757 u32 thr, retry;
5e6e3a92 3758
d6bffe8b
AP		 3759 /* create a new wiphy for use with cfg80211 */
3760 wiphy = wiphy_new(&mwifiex_cfg80211_ops,
3761 sizeof(struct mwifiex_adapter *));
3762 if (!wiphy) {
acebe8c1
ZL		 3763 mwifiex_dbg(adapter, ERROR,
3764 "%s: creating new wiphy\n", __func__);
5e6e3a92
BZ		 3765 return -ENOMEM;
3766 }
d6bffe8b
AP		 3767 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
3768 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
83719be8 3769 wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
7feb4c48 3770 wiphy->max_remain_on_channel_duration = 5000;
d6bffe8b
AP		 3771 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
3772 BIT(NL80211_IFTYPE_ADHOC) |
197f4a2e
SP		 3773 BIT(NL80211_IFTYPE_P2P_CLIENT) |
3774 BIT(NL80211_IFTYPE_P2P_GO) |
d6bffe8b
AP		 3775 BIT(NL80211_IFTYPE_AP);
3776
3777 wiphy->bands[IEEE80211_BAND_2GHZ] = &mwifiex_band_2ghz;
3778 if (adapter->config_bands & BAND_A)
3779 wiphy->bands[IEEE80211_BAND_5GHZ] = &mwifiex_band_5ghz;
3780 else
3781 wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
5e6e3a92 3782
de9e9932 3783 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
cc7359b5
AP		 3784 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs;
3785 else if (adapter->is_hw_11ac_capable)
3786 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht;
de9e9932
AP		 3787 else
3788 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
cd8440da
AP		 3789 wiphy->n_iface_combinations = 1;
3790
5e6e3a92 3791 /* Initialize cipher suits */
d6bffe8b
AP		 3792 wiphy->cipher_suites = mwifiex_cipher_suites;
3793 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
5e6e3a92 3794
8d05eb22 3795 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr);
d6bffe8b 3796 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
2dd2bd6b 3797 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
cc0ba0d5 3798 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
54428c57 3799 WIPHY_FLAG_AP_UAPSD |
7d652034 3800 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
c2b6680f
AP		 3801 WIPHY_FLAG_HAS_CHANNEL_SWITCH |
3802 WIPHY_FLAG_PS_ON_BY_DEFAULT;
b23bce29
AP		 3803
3804 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
3805 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
3806 WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
3807
7da060c1 3808#ifdef CONFIG_PM
964dc9e2 3809 wiphy->wowlan = &mwifiex_wowlan_support;
7da060c1
AK		 3810#endif
3811
562fc5b3
AK		 3812 wiphy->coalesce = &mwifiex_coalesce_support;
3813
2dd2bd6b 3814 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS |
e39faa73
SP		 3815 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 |
3816 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P;
5e6e3a92 3817
8a279d5b
AK		 3818 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1;
3819 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1;
5e6e3a92 3820
b292219f 3821 wiphy->features |= NL80211_FEATURE_HT_IBSS |
e45a8419 3822 NL80211_FEATURE_INACTIVITY_TIMER |
e3c91683 3823 NL80211_FEATURE_NEED_OBSS_SCAN;
05910f4a 3824
b0497597
XH		 3825 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info))
3826 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
3827
808bbebc
AK		 3828 if (adapter->fw_api_ver == MWIFIEX_FW_V15)
3829 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS;
3830
b5abcf02 3831 /* Reserve space for mwifiex specific private data for BSS */
d6bffe8b 3832 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv);
5116f3ce 3833
d6bffe8b 3834 wiphy->reg_notifier = mwifiex_reg_notifier;
5e6e3a92 3835
67fdf39e 3836 /* Set struct mwifiex_adapter pointer in wiphy_priv */
d6bffe8b 3837 wdev_priv = wiphy_priv(wiphy);
67fdf39e 3838 *(unsigned long *)wdev_priv = (unsigned long)adapter;
5e6e3a92 3839
2c208890 3840 set_wiphy_dev(wiphy, priv->adapter->dev);
a7b21165 3841
d6bffe8b 3842 ret = wiphy_register(wiphy);
5e6e3a92 3843 if (ret < 0) {
acebe8c1
ZL		 3844 mwifiex_dbg(adapter, ERROR,
3845 "%s: wiphy_register failed: %d\n", __func__, ret);
d6bffe8b 3846 wiphy_free(wiphy);
5e6e3a92 3847 return ret;
5e6e3a92 3848 }
3c68ef5b
AP		 3849
3850 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) {
acebe8c1
ZL		 3851 mwifiex_dbg(adapter, INFO,
3852 "driver hint alpha2: %2.2s\n", reg_alpha2);
3c68ef5b
AP		 3853 regulatory_hint(wiphy, reg_alpha2);
3854 } else {
3855 country_code = mwifiex_11d_code_2_region(adapter->region_code);
3856 if (country_code)
acebe8c1
ZL		 3857 mwifiex_dbg(adapter, WARN,
3858 "ignoring F/W country code %2.2s\n",
3859 country_code);
3c68ef5b 3860 }
5e6e3a92 3861
fa0ecbb9
BZ		 3862 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
3863 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true);
f862bfd1 3864 wiphy->frag_threshold = thr;
fa0ecbb9
BZ		 3865 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
3866 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true);
f862bfd1 3867 wiphy->rts_threshold = thr;
fa0ecbb9
BZ		 3868 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
3869 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true);
f862bfd1 3870 wiphy->retry_short = (u8) retry;
fa0ecbb9
BZ		 3871 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
3872 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true);
f862bfd1
UR		 3873 wiphy->retry_long = (u8) retry;
3874
d6bffe8b 3875 adapter->wiphy = wiphy;
5e6e3a92
BZ		 3876 return ret;
3877}
Linux kernel - Deliverables
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